Wastewater zero-discharge treatment system
A treatment system and zero-emission technology, applied in the direction of heating water/sewage treatment, multi-effect evaporation, evaporation, etc., can solve the problem of high energy consumption of evaporation, achieve the effect of reducing energy consumption of distillation and realizing multiple reuse
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[0034] Such as figure 1 As shown, the present invention introduces a zero-discharge wastewater treatment system. The system is composed of an exhaust gas waste heat utilization system, a low-temperature multi-effect horizontal tube distillation system 2 and an evaporative crystallization system. The low-temperature multi-effect horizontal tube distillation system is the MED system;
[0035] The exhaust gas waste heat utilization system includes a gas turbine that burns combustible gas (methane and other natural gas) to emit high-temperature flue gas, and a waste heat boiler that uses the waste heat of the high-temperature flue gas to obtain high-temperature steam;
[0036] The low-temperature multi-effect horizontal tube distillation system includes a low-temperature multi-effect evaporator and a condenser 25.
[0037] The evaporative crystallization system includes a vertical pipe falling film evaporator 1 that uses the high-temperature steam to desalinate wastewater and a drying dev...
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