Use of falling film evaporator with multiple effects ensures high energy efficiency & is ideal for concentration of heat sensitive products, with low scaling tendency. Multi-effect falling film evaporator with TVR as well as MVR are designed and manufactured at SSP's manufacturing centres.
Applications:
- Milk
- Coffee
- Soy milk
- Apple Juice
- Tea extract
- Dye intermediates
- Distillery Waste Water Effluent with low TSS, etc.
In a Rising Film Evaporator liquid feed enters from the bottom of steam heated tubes. The parallel movement of liquid and vapor along tube surface imparts effective water evaporation from the liquid feed. This type of evaporator is ideal for liquids which attain high viscosity or have fouling tendency.
Applications:
- Fruit Juice concentration.
- Sugar Cane Juice Concentration.
The agitated thin film evaporator is well suited for concentration of viscous and heat sensitive liquids such as gelatin, antibiotics, fruit juices, and solvent mix etc. The thin film evaporator reduces fouling and liquid residence time in the evaporator. In the vertical agitated thin film evaporator feed liquid is feed at the top of evaporator and is uniformly distributed in the form of thin film by the wiper blades on vertical cylindrical heat transfer area, inside the unit. Evaporation of water / solvent takes place as the thin film moves down the heat transfer area.
This is ideal for concentration of high viscous material and products with higher solids. This is also used as evaporative crystallizer. Some times these are used in series with falling film evaporator as finishing effect for achieving higher concentration. In this type of evaporator, liquid is pumped through heat exchanger tubes at high velocity (1.5-4.0 m/s) avoiding precipitation and creating high turbulence; liquid is then passed through vapour separator for separation of vapour and finally condensing the vapour in the condenser. Concentrated liquid is continuously discharged from bottom of vapour separator.
This is ideal for concentration of high viscous material and products with higher solids. This is also used as evaporative crystallizer. Some times these are used in series with falling film evaporator as finishing effect for achieving higher concentration. In this type of evaporator, liquid is pumped through heat exchanger tubes at high velocity (1.5-4.0 m/s) avoiding precipitation and creating high turbulence; liquid is then passed through vapour separator for separation of vapour and finally condensing the vapour in the condenser. Concentrated liquid is continuously discharged from bottom of vapour separator.
Applications:
- Brine evaporation (Vacuum Salt processing)
- Effluent concentration with High suspended solid.
- Fruits Pulp Concentration
- Tomato Paste
- Sodium Sulphate Crystallization.
The vapour is compressed to higher condensation pressure by means of either Thermal Vapour Recompressor (TVR) or Mechanical Vapour Recompressor (MVR), which results in steam economy. In TVR portion of vapour discharged from one effect is sucked and compressed using motive steam and the resulting mixture is used as a heating medium to bring down the specific steam consumption. In MVR the vapour is recompressed by using two stage compressor with mechanical seals. A typical five effect plant with TVR over three effect has a sp. Steam consumption of 0.12. & a seven effect plant with TVR having vapour suction from 4th effect has a specific steam consumption of 0.09.
SSP is capable of not only designing new evaporators but also enhancing the capacity of the existing ones. This results in improved operating conditions, increased capacity, lower specific steam consumption and saving in capital investment as well as operating cost. The capacity is enhanced by adding effects, thermo-compressors, etc. as the case may be.
Scrapped Surface/Thin Film Evaporator are designed for evaporation of highly viscous and sticky products, which cannot be otherwise evaporated. This type of evaporators have been specially designed to provide high degree of agitation, effecting heat transfer as well as scrapping the walls of the evaporator to prevent deposition and subsequent charring of the product.
Applications:
- Tomato Paste
- Honey
- Solvent Recovery
- Milk concentrate (Khoa)
- Jam/Jelly.