Emulsion Coolant Recovery System-INSTAPurefor Recovery and Reuse of water soluble coolants.

Pure Tech India,Sf 471/2 Sri Lakshmi Nagar, Thondamuthur road,Coimbatore- 641 046, India.Ph: 0091 422 242 6611; Fax:0091 422 242 4018E-Mail: contact@puretechindia.com; website: www.puretechindia.com

Introduction:

• Water soluble coolants get contaminated during course of operation in machine tools.

• Major cause of disposal is bacterial contamination felt by bad smell and skin irritation.

• Coolant is forced for disposal and treatment.• The idea behind the system is to apply the concept of

“Treat and Reuse” instead of “Treat and Dispose”.• Recovered coolant is fit for reuse; back in the machine

tool.• Recovery rate as high as 85%.• Recovered coolant can be reused many times till the

coolant oil loses it’s properties and the emulsion gets broken.

Contaminants and their removal:• Tramp Oil:

Essentially due to lube oil present in machine tool. Removed by: 1. Desorber;2. Tramp Oil Remover;3. Activated Carbon Filter.

• Suspended Solids: Due to machining action. Removed by:1. Stainless Steel washable strainer;2. Tramp Oil Remover (till 40 microns);3. Stainless Steel washable Bag Filter (5 microns);4. Spun Polypropylene cartridge (5 microns).

• Bacteria: Due to water mixed for emulsion and suitably aided by Tramp oil. Removed by:

1. UV Dis-infection.

Coolant

BacteriaTramp Oil

Suspended Solids

Tramp Oil removal:

• Desorber:

Gravity based system to remove majority of free floating tramp oil. Oil removed through an adjustable funnel provided in the system. Separated oil can be sold.

Desorber Liquid Flow Illustration- High Flow with CPI Interceptors:

ELEVATION VIEW

PLAN VIEW

Oily Liquid Inlet

Oily Liquid Inlet

Oil less Liquid Outlet

Oil less Liquid Outlet

Oil Outlet

Oil Outlet

Activated Carbon Pre- Filter

SS Coalescer

CPI Interceptors

Sludge Settling

Slanted Baffle Plate for flow conversion

Sludge Settling

Oil trapped in funnel

Liquid flow inside Desorber

Sludge

Tramp Oil removal:

• Tramp Oil Remover:

Pressure membrane system where the coolant with oil is passed through oleophilic membrane and oil particles are trapped inside the membrane.

• Activated Carbon cartridge:

Coolant passed through carbon for microscopic oil particles removal.

Activated Carbon cartridge Spun polypropylene

cartridge

Tramp oil remover

Suspended Solids Removal:

• Suction Strainer:Stainless Steel washable strainer of filtering capacity 150 microns

• Tramp Oil Remover:In addition to its application of Tramp oil removal, the membrane consists of filter cloth which filters the suspended solids level to less than 40 microns.

• Bag Filter:Stainless Steel washable filter of capacity 5 microns.

• Spun Polypropylene Cartridge:Filtering capacity 5 microns.

Activated Carbon cartridge

Spun polypropylene

cartridge

Tramp oil removerSS Bag filter

Suspended Solids Removal:

• Stainless Steel backwashable filter of capacity 5 microns.• Filter media made from SS316 Dutch woven filter cloth• One time investment media washed and reused again and again

Bag Filter:

Suspended Solids Removal:

• Spun Polypropylene Cartridge:

Filtering capacity 5 microns.

Bacterial Disinfection:

U-V Disinfection unit:

• Coolant is passed in front of UV light as thin film exposing bacteria to them.• UV light at a wavelength of 253 nm penetrates the DNA of bacteria killing it.• The heat generated at that point vaporizes the bacteria without leaving any

residue.

System Illustration:

Standard Configuration:• Standard system comes with all the listed contaminant removal

components.• Tank skid is optional. • This is recommended for companies with large number of machine tool

sump capacities less than 200 litres.

Machine toolsump

Pump

Treated coolant collection tank

Raw coolant collection tank

StandardConfiguration

CoolantRecoverysystem

Tank Skid Main Skid- coolant recovery system

System Illustration:

Single Skid System:• For companies where

large number of machine tool sump capacities are more than 200 litres.

• Tank skid is not provided. Instead the main skid is taken near the machine tool for treatment.

Our Customers in India:

• Bharat Earth Movers Ltd, Kolar Gold Fields• Brakes India Ltd, Polambakkam, Near Melmaruvathur. - 2

equipments• GOETZE India Ltd, Bangalore (A Division of ESCORTS Ltd, Faridabad)• Hindustan Aeronautics Limited , Aircraft Divn, Bangalore• Lucas TVS, Chennai – 2 equipments• Rane (Madras) Ltd, Mysore• Spicer India Ltd, Dharwad (A Division of DANA Corporation, USA)• TRW Rane Steering Systems, Viralimalai, Trichy.• Wheels India, Chennai• Wipro fluid power limited, Bangalore.• Wipro fluid power limited, Hindupur.• Super Auto Forge Limited, Chennai.• Tractor and Farm Equipments Limited (TAFE), Chennai.• Dynamatic Technologies, Bangalore• Ransar Industries, Coimbatore• Maini Precision Components, Bangalore• Steer Engineers, Bangalore• Unitech Engineering, Rajkot• Process engineers, Pune

Benefits:

• Waste coolant converted to usable coolant.• Nearly 85% of the coolant is recovered for reuse. (the

losses are due to evaporation, tramp oil and chip drag out). There is no process losses.

• Coolant can be removed for treatment as and when bacterial contamination is observed, refreshed and reused back in the machine tool.

• Coolant can be recycled till the coolant loses it’s property and emulsion breaks.

• There is no change in concentration because of treatment.

• There is no need for conventional coolant treatment requiring emulsion breakage.

• Systems are modular and can be augmented for increased capacities.

Thank You

For Queries, Please contact:E- Mail:

contact@puretechindia.com