Evaporation and concentration device for corrosive liquid material

A liquid material, evaporation and concentration technology, applied in evaporation, evaporator accessories, chemical instruments and methods, etc., can solve problems such as increasing operating costs, polluting the environment, solute loss, etc., to prolong life, reduce volume, and save concentration costs. Effect

Inactive Publication Date: 2012-05-02
JIANGSU LEKE THERMAL ENG EQUIP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

This will cause two consequences: 1) The temperature of the secondary steam is high, direct discharge will increase the operating cost and waste energy; 2) A small amount of liquid droplets will be entrained in the secondary steam, which will cause the loss of solute, will also pollute the environment

Method used

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  • Evaporation and concentration device for corrosive liquid material
  • Evaporation and concentration device for corrosive liquid material

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Embodiment Construction

[0013] The present invention is mainly composed of a falling film evaporator 4, a compressor 2, a secondary vapor condenser 1 and a water pump 5.

[0014] The inlet pipe 6 of the corrosive liquid material is connected to an inlet port 7 of the falling film evaporator 4, and the falling film evaporator 4 connected to the inlet port 7 is connected to the high temperature water vapor outlet port 8, and the falling film evaporator 4 is also provided with The concentrated liquid material outlet port 9, the falling film evaporator 4 is also provided with a heat exchange medium inlet port 10 and an outlet port 11.

[0015] The secondary steam condenser 1 is provided with a heat exchange medium inlet port 12 and an outlet port 13, and the heat exchange medium outlet port 11 of the falling film evaporator 4 is connected to the heat exchange medium inlet port 12 of the secondary steam condenser 1 through a throttle valve 3 . The heat exchange medium outlet port 13 of the secondary vapo...

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Abstract

The invention discloses an evaporation and concentration device for a corrosive liquid material, which comprises a falling film evaporator, a compressor, a secondary vapor condenser and a water pump. The evaporation and concentration device is a set of chlorate waste liquid falling film evaporator and a set of medium cooling circulation system, wherein the chlorate waste liquid falling film evaporator is used for evaporating and concentrating chlorate waste liquidchlorates and consists of a medium cooling circulation system compressor, thea falling film evaporator and thea secondary vapor condenser. Cooler vapor with relatively high temperature behind the outlet of the compressor is used for heating the chlorate waste liquid to evaporate and concentrate diluted solution of a chlorate; a cooling medium evaporates and absorbs the heat during condensation of secondary vapor in the secondary vapor condenser; and the water pump is arranged at the outlet of the secondary vapor condenser and can quickly drain condensed water in a negative pressure state, and then the secondary vapor smoothly enters the secondary vapor condenser and is condensed.

Description

Technical field: [0001] The invention relates to an industrial concentration production process, in particular to the technical field of an evaporation concentration process suitable for corrosive liquid materials such as chlorate. Background technique: [0002] Chlorates, such as sodium hypochlorite and potassium perchlorate, are corrosive liquid materials and one of the commonly used chemical raw materials. Sodium hypochlorite is widely used in the disinfection of various water bodies including tap water, reclaimed water, industrial circulating water, swimming pool water, hospital sewage, etc. . Sodium hypochlorite can also destroy cyanide ions and benzene rings, etc. It is used for advanced oxidation of cyanide-containing wastewater and some industrial heavily polluted wastewater. It can also be used for pulp bleaching. High-concentration sodium hypochlorite liquid can also be used for stripping equipment and pipelines Attached mud. [0003] Sodium hypochlorite is a str...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D1/22B01D1/30
Inventor 韩东彭涛夏君君
Owner JIANGSU LEKE THERMAL ENG EQUIP
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