Efficient wastewater evaporator: During evaporation, there is a density difference between the gas-liquid mixture in the heat exchange tube and the non boiling sewage on the circulation tube side, which causes the sewage to form a circulating flow between the heat exchanger and the separator, improving the scaling condition of the sewage on the inner wall of the heat exchange tube.
Efficient wastewater evaporatorStructure and Principle of
1. Preheater: In most cases, the solution to be evaporated must be heated before entering the evaporator.
Heater: The solution that needs to be evaporated exchanges heat with the heat source steam in the evaporator, resulting in evaporation. Select different types of evaporators based on the properties of different solutions.
2. Separators: Used for separating steam and liquid, different separators can be selected according to the properties of different solutions, generally including centrifugal separators, heavy-duty separators, or separators with special structures.
Its empty system: maintains the vacuum degree of the entire system, extracts some air, non condensable gases, and gases brought in by the solution from the device to achieve a stable evaporation state of the system.
3. Pump: Transport the solution to be evaporated and the concentrated solution. According to the different properties of the solution, different types of pumps can be selected, generally including centrifugal pumps, volumetric pumps, and screw pumps.
4. MVR compressor system: By compressing the secondary steam to provide an evaporative heat source, the heat conversion of the secondary steam is improved. According to the requirements of different flow rates and compression ratios, multiple compressors can be selected. For situations where the pressure rise is increased, multi-stage compressors can be used in series.
5. Control system: MVR evaporation system control center, which adjusts the motor speed, controls valves, flow meters, temperature, and pressure To achieve automatic evaporation, cleaning, shutdown and other operations. Automatic alarm, automatic protection system from damage, maintaining dynamic balance of the system.
Efficient wastewater evaporatorProduct advantages and benefits
Evaporation equipment unit material: 304 stainless steel equipment is compact, occupies a small area, and can eliminate the need for a cooling system.
Heat source: No need to generate steam, especially suitable for existing factories that require expansion of evaporation equipment to supply steam, with insufficient water supply capacity and insufficient space
Low evaporation temperature: very suitable for low-temperature evaporation below 50 ℃ (especially for thermosensitive materials and medicinal herbs)
Low operating costs: low unit energy consumption
Low operating cost: touch PLC fully automatic control system