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Volume-expanding evaporator

A technology of expansion evaporation and stage evaporation, applied in the field of expansion evaporator, can solve the problems of raw material waste, environmental pollution, etc., and achieve the effect of improving utilization efficiency and ensuring evaporation and concentration effects.

Inactive Publication Date: 2009-12-30
镇江正宏纺织机械有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the high-concentration lye used in the printing and dyeing production process becomes low-concentration waste lye after use. Traditionally, the waste lye is treated by dealkalization and then discharged. This treatment method Not only cause waste of raw materials, but also cause environmental pollution

Method used

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  • Volume-expanding evaporator

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Embodiment Construction

[0009] The parts in the drawings are marked as follows: evaporation and condensation unit 01, evaporation chamber 011, condensation chamber 012, condensation water tank 013, condensation water outlet 014, throttle valve 015, liquid supply pump 02, first circulation pump 03, first circulation pump Liquid outlet pipe 031, heating device 04, condensed water collecting chamber 05, condensed water collecting pump 06, condensed water tank 07, condensed water injection pipe 08, injection port 081, condensed water circulation pump 09.

[0010] As shown in the figure, the expansion evaporator includes a multi-stage evaporation and condensation unit 01, the lower part of the evaporation and condensation unit is an evaporation chamber 011, and the evaporation chambers 011 of each level of evaporation and condensation units are connected in series through throttle valves; the evaporation and condensation unit The upper part of the condensing chamber is a condensation chamber 012, and there...

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Abstract

The invention relates to a device for sharing water from solution, in particular to a volume-expanding evaporator used in the processes of fresh water production, solution concentration, wastewater comprehensive treatment and the like. The volume-expanding evaporator comprises a multilevel evaporative condensing unit, wherein the lower part of the evaporative condensing unit is provided with an evaporating chamber, the upper part of the evaporative condensing unit is provided with a condensing chamber, and the bottom of the condensing chamber is provided with a condensation water tank; the outer part of the evaporative condensing unit is provided with a liquid feed pump, and a liquid outlet pipe of the liquid feed pump leads into the evaporating chamber of a first-level evaporative condensing unit; the evaporating chamber of the first-level evaporative condensing unit is provided with a solution outlet leading to a first circulating pump, the liquid outlet pipe of the first circulating pump passes through the condensing chambers of part or all of the evaporative condensing units and then enters a heating device, and the liquid outlet pipe of the heating device leads to the evaporating chamber of the last-level evaporative condensing unit; and the first-level evaporative condensing unit is communicated with the outside negative pressure environment. The volume-expanding evaporator has the advantages of reasonable structure, high energy utilization rate, and good evaporation and condensation effects.

Description

technical field [0001] The invention relates to a device for sharing water from a solution, in particular to a capacity expansion evaporator used in processes such as fresh water production, solution concentration and comprehensive treatment of waste water. Background technique [0002] In some fresh water production, solution concentration, comprehensive treatment of wastewater and other equipment, it is often necessary to heat and evaporate low-concentration solutions to separate the water in the solution, and then obtain high-concentration solutions or pure water. For example, the high-concentration lye used in the printing and dyeing production process becomes low-concentration waste lye after use. Traditionally, the waste lye is treated by dealkalization and then discharged. This treatment method It not only causes waste of raw materials, but also causes environmental pollution. Contents of the invention [0003] The technical problem to be solved by the present inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04
Inventor 刘正生
Owner 镇江正宏纺织机械有限公司
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