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Manufacturing range Full steam ahead... ...for lower costs STEAM BOILERS

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Page 1: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

Manufacturing range

Full steam ahead...

...for lower costsSTEAM BOILERS

Page 2: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

Editorial

The confidence of important planners, plant contractors and industrial and power

supply organizations from all over the world - which we have enjoyed since 1865.

With products, know-how and service from LOOS INTERNATIONAL, every

business associate and customer can expect to achieve the safest, most efficient

and environmentally sound use of primary energy.

Innovation and responsibility, creativity and commitment to quality are

the yardsticks for our product range as well as for our after-sales services.

Quick reactions are guaranteed through the full use of today’s electronic

communication media like Internet, LOOS-Intranet, LOOS-Extranet,

CustomerLogin and Teleservice ensures.

Your contact with LOOS INTERNATIONAL will open up a world of vast

experience based on almost 100,000 boiler systems supplied to customers

in over 140 countries throughout the world. In our group of companies -

active throughout the world - you will find specialists for every application.

2

Page 3: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

Contents

3

UNIVERSAL U 8

UNIVERSAL UL-S 12

UNIVERSAL ZFR 14

Flue gas heat recovery 16

U-ND Low-pressure saturated steamU-HD High-pressure saturated steam

UNIVERSAL steam boiler 4Shell boilers: 3-pass and 2-pass technologyEquipment

UL-S High-pressure saturated steamUL-SX High-pressure superheated steam

ZFR High-pressure saturated steamZFR-X High-pressure superheated steam

Control and safety technology 6Boiler control LOOS BOILER CONTROL LBC

LOOS Economizers

Philosophy 18

UNIVERSAL U-MB 10U-MB High-pressure saturated steam

Page 4: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

protective insulation claddinginsulation

base frame

burner,output control

optionally:2-stage, 3-stage,

modulating

low-water limiting electronic probe

pressure limiter

manostat pipestop valve, maintenance-free

water gauge with protector and reflector

pressure gauge stop valve with test flangepressure gauge

level transducer (4-20 mA)

pressure transducer (4-20 mA)

blow-down stop cock,water sample tap

4

UNIVERSAL Steam Boilers●● Type U-ND/U-HD as flame tube boiler with

2-pass technology up to an output of 175-3,200 kg/h (low pressure) and 175-1,250 kg/h (high pressure) for steam generation

●● U-MB type series as a flame and smoke tubeboiler with 3-pass technology and steam gene-ration output of 200-2,000 kg/h

●● Type UL-S as single flame tube/smoke tubeboiler with 3-pass technology up to an outputof 1,250-28,000 kg/h for steam generation

●● Type ZFR as double flame tube/smoke tubeboiler with 3-pass technology up to an outputof 18,000-55,000 kg/h for steam generation

UNIVERSALSteam boiler

The concept

The equipment

Shell boilers are flame and smoke tube boilers,whose tubes carry flue gases and are surroundedby the boiler water. Today's shell boilers are basedon flame tube/smoke tube boilers either with rearflue gas reversing chamber or with flue gas rever-sal in the furnace. Shell boilers always have suffi-cient steam reserve, even during sudden consump-tion peaks.

Certificates by all important inspection authorities worldwide.

Page 5: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

flame sight hole

automatic blow-downdevice

option:●● desalting control valve●● desalting stop valve,

maintenance-free●● water sampling device●● conductivity transducer

blow-down valve,maintenance-free

feed water non-returnvalvefeed water stop valve,maintenance-free

5

User benefit●● Pollutant-reduced combustion●● Low-noise operation●● Environmentally sound operation●● Official acceptance certificates and check

measurements (CE tested)●● Easily passes ecological audit●● Lower fuel consumption●● Lower power consumption●● Lower heat losses●● Less wear●● In total, clearly reduced operating costs

New economy●● Minimum flue gas losses: the use of flue gas

heat recovery modules leads to optimal fuelefficiency

●● Radiation heat losses are kept to an insignificant minimum by high-quality insulating mats and special insulating materials

●● Various special features for reduced fuel consumption

●● Superior design and careful matching of all components according to the European Pressure Vessels Directive

New ecologyThe use of sophisticated firing systems and carefultuning of the optimum boiler/burner combinationproduces a marked improvement over legal emis-sion limits. In addition, the latest research resultsand techniques for extremely low emission areconstantly incorporated. Our firing system specia-lists are experts in environmentally responsibleburner technology and apply cutting-edge emissionreduction technology. For LOOS INTERNATIONAL,the use of environmentally compatible materials isobligatory.

spring-loaded safety valve

water separator

steam valve, maintenance-free

smoke tubes 2nd pass

flame tube 1st pass

smoke tubes 3rd pass

Page 6: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

6

Control and safety technology

for all shell boilers

For decades now, LOOS boiler operating andsafety technology has been ensuring convenientboiler operation, the highest standards of safetyand a high level of availability for all steam andhot water generators. The in-house developmentand manufacture of regulating and safety systems

guarantees solutions that are extremely practicaland ensures maximum spare part availability.With conventional controls or as SPC-based boilermanagement systems – with LOOS boiler opera-ting technology, everything's under control.

The concept

The resultLOOS BOILER CONTROL LBC– the convenient PLC-based boiler control

A convenient boiler control for LOOS hot waterboilers was developed on the basis of an SPCautomation device which has proved successful inindustry. All the regulating and control functionsare integrated in an efficient, programmable con-trol. These include the controls for boiler output,water level, desalting and blow-down, plus thecontrols for the Economiser or superheaters. Nomatter whether the boiler is operated with a gas,oil or dual burner, stepped or modulating, withmechanical or electric network, LOOS BOILERCONTROL LBC can be used for all systems.

Display and operation are conveniently supportedby TFT colour displays with a touch-sensitive inter-face. These are available in 8" or, as an option, 10"

versions. The symbols, graphics and user guidan-ce are designed in accordance with the latest deve-lopments in ergonomics and usability. All availablecontrol and regulating functions can be accessedintuitively, and actual and setpoint values can beshown in the colour display or changed. The inte-grated operating signal management system cap-tures and logs operating states before shut-downon faults occurs. Important process data are storedat defined intervals and can be presented on thedisplays in the form of clear graphs. Analysing datais simply child's play. The connection of higher-level technical management systems via PROFI-BUS DP or the provision of routers so that theLoos Teleservice can be used are just two of themany options offered by this system.

LBC replaces traditional technology

��������������������������������������������������� � ������������������������������ � ����������� � �� ����� ��������������������������������������������� �������������������������������������������� ������������� � � �������������� �������������������������������������������������������������� ���������������������� ���������� level

level control

automatic blow-down device

LBC mounted inswitchgear cabinet

output controlfuel selection

pressure

conductivity

desalting control

Central control and communication systemLOOS Teleservice

Page 7: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

7

User benefitLBC allows the simple optimisation of all mea-surement and control functions. Energy con-sumption, pollutant emissions and wear andtear are minimised.LBC ensures maximum supply and operating reliability. An extensive operating message memory with integrated prewarning systems means that incorrectly set regulating para-meters can be detected and corrected before any safety shut-down occurs.LBC ensures maximum operating data trans-parency. Many different operating states, ope-rating data and measured values can be shownin the graphic touch-screen display.LBC meets all the special requirements of modern boiler control and is suitable for later expansion, modification and modernisation.

LBC can be operated intuitively, since it usesgraphic symbols and presents them on moderntouch-screen displays.LBC has integrated protective functions to prevent incorrect operations.LBC is prepared for data exchange with higher-level technology management systems andTeleservice.The Teleservice option allows the user inter-face to be mirrored, so that rapid assistance can be provided in the event of operating problems and to search for faults.

All information is gathered in the comprehensiveplant management system LOOS SYSTEM CON-TROL LSC. Efficient bus systems guarantee intelli-gent networking of individual boilers and boiler

house components. The plant management systemis already prepared for connection to higher-levelmanagement systems and the cost-effective LOOSTeleservice.

The concept

Multiple boiler systems, water analyses, water treatement systems, deaeration systems, condensate systems, fuel supply – LSC has everything under control

UL-S UNIVERSAL Steam boiler

LBC LBC

LSC

LOOS Teleservice Process control system

LWA LOOS Water Analyser

WTM Water treatment module

WSM Water service module

CSM Condensate service module

Page 8: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

8

Capacity and dimension are particularly designedfor low and medium steam demand as well as fortop-quality manufacture. The UNIVERSAL steam boiler for 175-1,250 kg/h(high-pressure steam) and 175-3,200 kg/h (low-pressure steam) combines the advantages of ashell boiler with the efficiency of a flame-tubesmoke-tube system.EC type testing according to the Pressure VesselsDirective provided for all capacities and pressurelevels (CE).

The concept

The result

The application profile

Flexible performance for fluctuating steam demandSturdy, reliable and with an unparalleled service lifeEconomical and low emissionHigh pressure stabilityHigh steam quality for demanding usersStable under peak- and low loads, copes easily with fluctuating loadsFor all burner systems, also NOx-reducedStable water circulation and rapid heat transferEasy operation and maintenanceMaximum service availability and safety

Trade-, service- and industrial establishments inall sectors with heat and steam requirement for

appliances, processes and production, with director indirect heating.

Two U-ND UNIVERSAL low-pressure steam boilers withmodulating natural gas firing

Two UNIVERSAL high-pressure steam boilers U-HD for saturated steam generation

Assembled and function tested in the workshop ready for connection

Sectional drawing of boiler type U-HD

UNIVERSAL compact boiler

U-ND Low-pressure saturated steamU-HD High-pressure saturated steam

Page 9: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

9

The designDesigned and dimensioned according to clearlydefined priorities: furnace size, radiant and con-vection heating surface, steam space and waterspace volume are ideally matched and dimensio-ned down to the smallest detail. Radiant and con-vection heating surfaces act in unison to achievevery rapid water circulation and accelerate themovement of the steam bubbles to the steamspace.Smooth heat transfer ensures that the heat genera-ted by the fuel is converted into steam quickly andwithout stress on the material of the boiler. Theflexible ends are rigidly anchored by the full-length flame tube. All high-pressure boilers areequipped with additional gusset stays for uniformload distribution. The front door, hinged right orleft, provides easy access for boiler and burner ins-pection. High-quality mineral wool mat insulationcovering the entire boiler body and special insula-ting materials in the front door cut radiation lossesto an insig-nificant minimum. The rigid base framereduces the specific ground pressure. All in all aconvincingly good result.

FuelTemperatureDesign

pressureUNIVERSAL Boilers Performance range

°Cbar gSeries kg/h kW

up to 110 LFO, Gas

LFO, Gas

up to 0.5U-ND 113 to 2,068175 to 3,200

up to 204up to 16U-HD 117 to 834175 to 1,250

Data sheets and detailed technical advice are provided for every boiler series

The special equipmentLOOS BOILER CONTROL LBC - the convenientSPC-based boiler control system

• LOOS SYSTEM CONTROL LSC plant management system

• Economiser to save energy• Fuel supply modules• WTM water treatment module

• Water service module with partial and full deaeration

• LWA water analysis module• CSM condensate service module for open or

closed systems

For more detailed information, see the "Boiler House Components" brochure

Page 10: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

10

The product designation “U-MB” stands for“UNIVERSAL Modular Boiler”. The boiler consistsof several modules that can be selected in a custo-mer-specific way. The relevant elements can beconfigured to meet the necessary requirements inrespect of emissions, steam quality and energyefficiency. Thanks to the modular design and con-sistent use of structural elements and commonparts from other type series, it has been possibleto achieve an unbeatable price/performance ratio.

This 3-pass steam boiler is a universal boiler for allapplications. Of course, it can be modularly com-bined with all LOOS system components for fueland water supply, wastewater disposal, water ana-lysis and heat recovery. The programmable

touch screen control, remote serviceabilityand further equipping of the steam boiler are alsoidentical to the large industrial boiler series.

This type series has some important innovationsin respect of control and regulation. Besides theintuitive touchscreen operation, the steam boileralso includes an automated start-up function, allo-wing the steam generator to be booted automati-cally from a cold state at the press of a button orvia an external start signal. It is equipped with anoverload protection ensuring premium pressurestability and steam quality at all times, regardlessof consumer behaviour. The customer can thendevote his attention to what counts: his produc-tion.

The concept

The result

The application profile

The setup can be exactly aligned with the customer’s requirements in respect of emissions,steam quality and efficiency.Cost-efficient in spite of proven shell and3-pass technology Highest degree of efficiency thanks to theintegrated economiser Extensive standard equipment Integrated boiler protection function prevents overloading of the boilerIntegrated automated start-up for a gentle start from a cold stateIntuitive touchscreen operationand SPC controlLess space needed because of the compact base area

Everywhere where small to medium steam quanti-ties are required. Classic application areas include

the food and drinks industry, laundries, cleaningfirms and smaller industrial operations.

UNIVERSAL modular boilerU-MB High-pressure saturated steam

LOOS UNIVERSAL U-MB modular boiler –unique in design and all other features

Page 11: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

11

The designThe boiler is designed as a flame and smoke tubeboiler in accordance with the Pressure EquipmentDirective. The setup of the basic boiler is basedon the UT boiler design which has already been

in successful use for many years. Of course, as atrue 3-pass boiler, there is no need for built-inflow components in the smoke tubes.

FuelTemperatureDesign

pressureUNIVERSAL boiler Performance range

°Cbar gSeries kg/h kW

up to 204 LFO, Gasup to 16U-MB 129 to 1,296200 to 2,000

Data sheets and detailed technical advice are provided for every boiler series

LOOS UNIVERSAL U-MB 3-pass shell boiler

The special equipmentLOOS BOILER CONTROL LBC - the convenientSPC-based boiler control system

• LOOS SYSTEM CONTROL LSCplant management system

• Fuel supply modulesWTM water treatment module

Water service module with partial and full deaerationLWA water analysis moduleCSM condensate service module for open or closed systems

For more detailed information, see the "Boiler House Components" brochure

Page 12: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

12

In the higher performance range, the tried andtested three-pass principle dominates. The idealpossibilities for developing high-performancesteam generators with outstanding characteristicswere recognized and rigorously put into practiceby LOOS INTERNATIONAL already in the early50ies. The UNIVERSAL boiler was designed toperfection for generating saturated and superhea-ted steam in the 1,250 - 28,000 kg/h performancerange. EC type testing according to the PressureVessels Directive provided for all capacities andpressure levels (CE).The dimensions of flame tube, smoke tube bank,water space and steam space have been thermo-dynamically optimized for flexible performance.Radiant and convection heating surfaces act in uni-son to achieve very fast water circulation andaccelerate the movement of the steam bubbles tothe steam space. Smooth heat transfer ensures thatthe heat generated by the fuel is converted intosteam quickly and without stress on the material ofthe boiler.

This type series offers with increasing steam out-put options for optimising the excellent ‘dynamicproperties’ and for exploiting futher ‘potentialenergy savings’:●● Modulating output control●● Continuous feed water regulation●● Speed-controlled burner fans●● O2-control●● Electronic fuel-/air combination control

The concept

The application profileIndustrial and service establishments in the food,beverages, textile, building materials, chemicals,ceramics and paper sectors, ... with heat and

steam demand, for processing, production andheating.

Sectional drawing of boiler type UL-S with rear flue gas reversing chamber

The resultFlexible output for fluctuating steam demandSturdy, reliable and unparalleled service lifeEconomical operation and low emissionsHigh pressure stabilityHigh steam quality for demanding usersStable under peak- and low loads, copes easilywith fluctuating loadsFor all burner systems, also NOx-reducedStable water circulation and rapid heat transferEasy operation and maintenanceSuperheated steam from superheater module, suitable for dry startSuperheater as water separator with unregulated superheated steam temperatureSuperheater with constant controlled super-heated steam temperature over a wide load rangeMaximum service availability and safety

The three-pass principle of the UNIVERSAL UL-S

UNIVERSAL Single flame tube boiler

UL-S High-pressure saturated steamUL-SX High-pressure superheated steam

Page 13: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

13

The designThe LOOS three-pass patent granted in 1952forms the basis of the outstanding, still todayunsurpassed success of this series. The flame tube(1st pass) and two smoke tube banks (2nd and3rd pass) as well as the wet-back rear reversingchamber are integrated in the boiler body in anideal arrangement. The laterally positioned flametube and the horizontal rear- and vertical frontheating gas reversal result in the largest possibleradiant and convection heat transfer surface withthe largest steam space and the smallest externalmeasurements. The flexible ends are firmlyanchored by the big, full-length flame tube andjoined to the boiler casing by a large, LOOS-specific number of gusset stays for even loaddistribution.

Superheated steam is generated by a superheatermodule. Dimensioned for the required superheat-ing temperature and simply placed on the frontreversing chamber. By means of a bypass damperthe superheated steam temperature can be keptconstant over a wide load range. The smoke tubesections remain freely and easily accessiblethrough the swivelling reversing chamber door.

The high-quality mineral wool mat insulation ofthe entire boiler body and of the superheatermodule ensure that radiation losses are negligible.The sturdy base frame reduces the specific groundpressure.

UL-SX UNIVERSAL High-pressure steam boiler with superheater module for superheated steam generation

UL-S UNIVERSAL High-pressure steam boiler for saturatedsteam generation

FuelTemperatureDesign

pressureUNIVERSAL Boilers Performance range*

°Cbar gSeries kg/h kW

up to 235LFO,HFO, Gasup to 30UL-S 1,304 to 18,2651,250 to 28,000

up to 300LFO,HFO, Gasup to 30UL-SX 1,820 to 18,2652,600 to 28,000

Data sheets and detailed technical advice are provided for every boiler series* In some countries national restrictions of the max. permissible output apply

The special equipmentLOOS BOILER CONTROL LBC - the convenientSPC-based boiler control system

• LOOS SYSTEM CONTROL LSCplant management system

• Economiser to save energy• Fuel supply modules• WTM water treatment module

• Water service module with partial and full deaeration

• LWA water analysis module• CSM condensate service module for open or

closed systems

For more detailed information, see the "Boiler House Components" brochure

Page 14: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

14

The UNIVERSAL double flame tube/smoke tubeboiler is available for output values from 18,000 to55,000 kg/h with dimensions which allow trans-port as a ready-to-connect unit. This double flametube/smoke tube boiler was developed by LOOSINTERNATIONAL already in the 50ies and builtwith separate furnace gas passages for operationalso with one firing system. The three-passprinciple with rear furnace gas reversing chamberaccommodated in the water space was patentedin 1952. The economizer and superheater can beeasily upgraded by the addition of modules. ECtype testing according to the Pressure VesselsDirective provided for all capacities and pressurelevels (CE).The dimensions of flame tubes, smoke tube bank,water space and steam space are thermodynami-cally optimized. Radiant and convection heatingsurfaces, combined with the possibility of singleflame tube operation, provide special flexibility. Rapid water circulation and smooth heat transferensure that the heat generated by the fuel isconverted into steam quickly and without stresson the material of the boiler.

The concept

The application profileIndustrial establishments with a large heatrequirement and distribution network in the food,beverages, textile, building materials, chemicals,

ceramics and paper sectors; service establishments,municipalities, ...

Sectional drawing of boiler type ZFR with rear flue gas rever-sing chamber and attached flue gas hood

UNIVERSAL Double flame tube boiler

ZFR High-pressure saturated steamZFR-X High-pressure superheated steam

For the UNIVERSAL double flame-/smoke tubeboiler, modulating output control for ‘unrestricted’single- or double flame tube operation and con-tinuous feed water control are obligatory. Thistype series offers with increasing steam outputoptions for optimising the excellent ‘dynamic cha-racteristics’ and for exploiting further ‘energy savingpotentials’:●● speed-controlled burner fan●● O2-control●● electronic fuel-/air ratio control

The result

Four ZFR UNIVERSAL double flame tube boilers for producing saturated steam for parallel or single flame tubeoperation

Flexible output for fluctuating steam demandSturdy, reliable and unparalleled service lifeEconomical and low emissionsHigh pressure stabilityHigh steam quality for demanding usersStable under peak- and low loadsIndividual burner operation/control, TÜV-approved for decadesDouble control range with efficiency gainFor all burner systems, also NOx-reducedStable water circulation and rapid heat transferEasy operation and maintenanceMaximum service availability and safetySuperheated steam from superheater module, suitable for dry startSuperheater as water separator with uncontrolled superheated steam temperature

Superheater with constant controlled super-heated steam temperature over a wide loadrange

Page 15: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

15

The designThe LOOS Three-Pass patent from the year 1952forms the basis for the outstanding and so farunsurpassed success of this series. The specialdesign measures which neutralize the tensileforces in single flame-tube operation are decisivefor long-term stability. The flame tubes are inser-ted through the complete thickness of the frontand rear ends and firmly welded all round theircircumference. The wet-back rear furnace gasreversing chamber is separated by a water-carry-ing, stabilizing furnace wall and also insertedthrough the rear end. The large pressure reliefsurfaces with all-round ligaments, together withthe reversing chamber ceiling-to-floor bracing,neutralize the stresses.Water circulation and heattransfer are effectively assisted by guide sectionson the boiler floor and are further accelerated byflow passages between the flame tubes and theside-by-side smoke tube sections.

Superheated steam is generated with superheatermodules which are attached to the front reversingchamber. Using bypass dampers, the superheatedsteam temperature can be kept constant over awide load range.An economizer is simply placed on top of the fluegas collecting chamber and does not require anadditional foundation.The swivelling reversing chamber doors keep thesmoke tube sections freely and easily accessible.

The high-quality mineral wool mat insulation ofthe entire boiler body and the superheater mo-dule ensure that radiation heat losses are insignfi-cant. The sturdy base frame reduces the specificground pressure.

The single flame tube operation permitted by theTÜV (German technical inspection association)allows unrestricted fully automatic operation withone or both burners. The control range is doubled and each low-load phase is run with one burner with a gain inefficiency. With dual burners, a fuel changeover without boiler shut-down and parallel operation withdifferent fuels are possible.

FuelTemperatureDesign

pressureUNIVERSAL Boilers Performance range*

°Cbar gSeries kg/h kW

up to 235LFO,HFO, Gasup to 30ZFR 11,160 to 35,80018,000 to 55,000

up to 300LFO,HFO, Gasup to 30ZFR-X 12,600 to 35,80018,000 to 55,000

Data sheets and detailed technical advice are provided for every boiler series* In some countries national restrictions of the max. permissible output apply

Boiler load20 40 60 80 100 %

%

95

90

85

boiler with economizer for heat recovery

Efficiency gain

Boiler efficiency

control range gain

1st burner1st + 2nd burner

The special equipmentLOOS BOILER CONTROL LBC - the convenientSPC-based boiler control system

• LOOS SYSTEM CONTROL LSCplant management system

• Economiser to save energy• Fuel supply modules• WTM water treatment module

• Water service module with partial and full deaeration

• LWA water analysis module• CSM condensate service module for open or

closed systems

For more detailed information, see the "Boiler House Components" brochure

Page 16: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

16

The flue gas stream from steam boilers contains a sig-nificant heating potential at a high temperature level.The LOOS economiser, with highly efficient top hea-ting surfaces for dry flue gas heat recovery, uses thisheating potential to preheat feed water and improveboiler efficiency.

To further increase efficiency, stainless steel downstre-am calorific value heat exchangers can be added. Bydoing so, the flue gas can be brought below the fluegas dew point to condensation through cooling.

LOOS steam boiler with integrated economisersfor dry flue gas heat recovery

Flue gas collection chamber and economiser attached to the boilerUse of highly efficient spiral finned tubes for gas and EL fuel oilLarge inspection openingsSmall amount of space neededPre-assembled in the factory within the scope of permissible transport dimensions, piping ready-to-connect, tested and heat-insulatedFuel savings, reduced CO2 and emissions

The concept

The result������������������������������������������������������������������������������ � �� ������������������������������������������� ����������������������������������������� � ������������������������ ������������������������������������������������������������������� � �����������LOOS steam boiler systems for the utilisation ofcalorific value technology

Calorific value heat exchangers added down-stream on the flue gas side of the integrated EcoFor preheating make-up water or separate water circuitsStainless steel design for gas and low-sulphur fuel oilSmall amount of space neededTested and heat-insulatedFuel savings, reduced CO2 and emissions

F lue gas heat recovery

Page 17: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

17Achievable efficiencies with dry flue gas heat recovery and the use of calorific value technology

The effectiveness

Increased efficiency of up to 15%in condensation operation

Boiler load (%)

Cold waterMake-up waterSteam boiler

Steam

Econo-miser

Pumpmodules

Leading to theblow-downexpansionmodule

Condensateneutralisation

Flue gas condenser

ChimneyVersion BVersion AFeed pump modules

Water service module

Block diagram of a high-pressure steam boiler system with two flue gas heat exchanger stages (economiser/flue gas condenser)

106,0

104,0

102,0

100,0

98,0

96,0

94,0

92,0

90,0

88,0

Increased efficiency of up to 7 %in dry operation

20 30 40 50 60 70 80 90 100

Eff

icie

ncy

(%)

Page 18: Manufacturing range STEAM BOILERS - JADE.FI · Shell boilers are flame and smoke tube boilers, whose tubes carry flue gases and are surrounded by the boiler water. Today's shell boilers

18

PHILOSOPHY

Innovations, quality-consciousness and creativity cou-pled with more than 140 years of experience form thebasis for LOOS INTERNATIONAL's high-tech boilersystems. Over 100,000 boiler systems, delivered tomore than 140 countries throughout the world,demonstrate the outstanding reputation enjoyed byLOOS INTERNATIONAL's products. Today, LOOSmanufactures 1,500 steam and hot water systems eachyear.

A large number of national and international certificati-ons prove the high levels of quality and safety at LOOS.

The fulfilment of the highest environmental require-ments in the economical provision of heating and pro-cess heat is a matter of course.

Company profile

State-of-the-art manufacturing plant 2 in Gunzenhausen – production of shell steam boilers

Standardisation and automation, in terms of installationand commissioning as well as during subsequent ope-ration and servicing of the systems, is the company'scentral idea. LOOS provides modular and integratedsolutions via its complete product range. A multitudeof boiler and boiler house modules available in diffe-rent versions facilitate tailor-made solutions designedaccording to the customer’s specific circumstances.

Expensive special developments with a correspon-dingly high functional and cost risk are as much a partof the past as complex on-site cabling and setup work.From water treatment, steam generators and the con-densate system to water analysis and wastewater dis-posal, a LOOS customer always has a perfectly inte-grated but modular overall system of the highest qua-lity available to him.

Modular product integration

Customer-focussed servicing is characterised by expertmaintenance and support of boiler systems on site.

LOOS customer service engineers are on hand aroundthe clock every day of the year. The closely interlinkednetwork of service locations ensures minimum reactiontimes.

Spare parts can be provided immediately from our sto-res even after many years. They can also be orderedvia our hotline outside working hours and on Sundaysand public holidays.

In addition to retrofittings, system analyses and tailor-made servicing and maintenance contracts, LOOSINTERNATIONAL also offers Teleservice contractswhich cover every need individually.

Spare parts hotlinefor Europe: +49/171/8664414

Service hotlinefor Europe: +49/180/5667468

Formula 1 in boiler servicing

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The result

Two UNIVERSAL UL-S single-flue boilers for saturatedsteam, total system output 32,000 kg/h, pressure 10 bar

Two UNIVERSAL UL-S single-flue boilers for saturatedsteam, total system output 8,000 kg/h, pressure 13 bar

One UNIVERSAL ZFR double-flue boiler and oneUNIVERSAL UL-S single-flue boilers for saturated steam,total system output 50,000 kg/h, pressure 16 bar

One UNIVERSAL ZFR double-flue boiler for saturatedsteam, steam output 30,000 kg/h, pressure 22 bar

INFO ChequePLUS+ Facts

Brochures:●● Company profile●● Steam boilers●● Hot water boilers●● Boiler house components●● After-sales services ●● List of technical reports

Planning folder:●● Planning folder 'The Boiler System'

Other requests:

Visit appointment:●● Please make an appointment for a visit from

your travelling sales staff.

We are ●● Planners ●● Plant construction engineers ●● Operators and would like to receive:

Info Material

Visit us online at: www.loos.de, apply for your personal access to our protected partner section or express your wishes via e-mail: [email protected]

Ask for your copy now!

Secure your information advantage.For planners and plant construc-tion engineers the LOOS ProductRange is set out in comprehensiveplanning folders.

Customer Login from theInternet Customers of LOOS will findcomprehensive information aboutthe planning, service and operati-on of boiler systems.

Register with:www.loos.de

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… for a future of qualityLOOS INTERNATIONAL are world-famous specialists in boiler systems of all sizes and performance classes

The production of this brochure consumes valuableraw materials. Please consider the possibility ofmultiple use and pass it on to other people whomight be interested.

Internet:www.loos.de

LOOS INTERNATIONAL Loos Deutschland GmbH

Abteilung VSK

Nürnberger Straße 73

91710 GunzenhausenGERMANY

Sender:Name

First name

Title

Position

Company

Street

Town/Post code

Country

Telephone

Fax

eMail

Internet

LOOS INTERNATIONAL●● Germany

Loos Deutschland GmbHNürnberger Straße 7391710 GunzenhausenGERMANYTel. +49 9831 56253Fax +49 9831 5692253eMail: [email protected]: www.loos.de

●● AustriaLoos Austria GmbHHaldenweg 75500 BischofshofenAUSTRIATel. +43 6462 2527310Fax +43 6462 252766310eMail: [email protected]: www.loos.at

●● PR ChinaBosch Thermotechnology (Beijing) Co., Ltd.No. 6 South Yongchang Road Economic - Technological Development Area100176 BeijingPR CHINATel. +86 10 67827000 Fax +86 10 67827616eMail: [email protected]: www.looschina.cn

●● Czech RepublicKOTLE LOOS, spol. s r.oBezová 1 čp. 1658147 14 Prag 4 CZECH REPUBLICTel. +420 244112111Fax: +420 244112150eMail: [email protected]: www.loos.cz

●● France Loos France SASZone d’activités12, rue de GuebwillerBP74 Wattwiller 68702 Cernay Cedex FRANCETel. +33 3 89758484Fax +33 3 89758480eMail: [email protected]: www.loos-france.fr

●● Greece Bosch Thermotechniki A.E.37, Erchias Str.19400 KoropiGREECETel. +30 210 5701429 Fax +30 210 5701415 eMail: [email protected] Internet: www.loos.gr

●● Italy Buderus S.p.A.Via E. Fermi, 40-4220090 Assago (MI)ITALYTel. +39 02 45715080Fax +39 02 48864090eMail: [email protected]: www.loositalia.it

●● PolandLoos Centrum Sp.z o.oul. Marii Kazimiery 3501-641 WarsawPOLANDTel. +48 22 5619090Fax +48 22 5619099eMail: [email protected]: www.loos.pl

●● Russian FederationLoos Deutschland GmbHRepresentative Office in RussiaProezd Serebryakova 6129343 MoscowRUSSIAN FEDERATIONTel. +7 495 7821254Fax +7 495 7821174eMail: [email protected]: www.loosrussia.ru

●● ScandinaviaLoos Scandinavia A/STelegrafvej 12750 BallerupDENMARKTel. +45 44898650Fax +45 44898656eMail: [email protected]: www.loos.dk

●● South East AsiaLoos Deutschland GmbHSingapore Branch1 Scotts Road, Unit 18-12/13Shaw Centre228208 SingaporeSINGAPORETel. +65 67320113Fax +65 67320397eMail: [email protected]: www.loos.sg

●● SlovakiaKOTLE-LOOS SLOVAKIA, s.r.o.Einsteinova 1851 01 BratislavaSLOVAKIATel. +421 2 67200040Fax +421 2 62524694eMail: [email protected]: www.loos.sk

Agencies in almost all countriesof the world.