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Chemical waste gas spraying and cleaning treatment tower

A treatment tower and spray tower technology, applied in the field of chemical waste gas spray washing treatment tower, can solve the problems affecting the service life of the spray tower, the spray washing time, the short residence time, and the influence of the spray effect, etc., and achieve the cleaning effect. Better, faster flow, better cleaning effect

Inactive Publication Date: 2018-11-06
南京易洁环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main problems existing in the existing chemical waste gas spray scrubber: 1. The residence time of chemical waste gas in the spray tower directly affects the effect of spraying; the existing spray scrubber, the residence time of waste gas in the tower The time is short, and it is necessary to increase the floor area of ​​the tower to achieve a good washing effect; 2. The chemical waste gas contains more acid gases such as sulfur dioxide, carbon dioxide, nitrogen dioxide, etc., which seriously affects the service life and spraying performance of the spray tower. washing time

Method used

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  • Chemical waste gas spraying and cleaning treatment tower
  • Chemical waste gas spraying and cleaning treatment tower
  • Chemical waste gas spraying and cleaning treatment tower

Examples

Experimental program
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Effect test

Embodiment 1

[0022] like figure 1 The shown chemical waste gas spray washing treatment tower includes a vertical spray tower body 100, an inlet flange 200 is provided on one side of the spray tower body, the inlet flange is located at the lower part of the tower body, and the spray tower body There is an air outlet flange 300 on the top of the exhaust pipe; exhaust gas enters from the inlet flange, and then, after being sprayed and washed by the spray tower, is discharged from the air outlet flange.

[0023] The interior of the spray tower body is provided with a demist chamber 1, a spray chamber 2, and a water cleaning chamber 3 from top to bottom; Cleaning water; the air inlet pipe is provided with some air outlets 5, and the air outlets are located in the cleaning water; the demister chamber is provided with a demister 6; the spray chamber is provided with a spray pipe 7, a packing layer 8, and above the packing layer Spray pipe; the spray pipe is provided with a spray head 23; the spr...

Embodiment 2

[0030] like figure 2 , image 3Shown is a chemical waste gas spray washing treatment tower. In this embodiment, there are 3 spray pipes and 3 packing layers in the spray chamber. The multi-layer packing layer and the setting of multiple spray pipes make the spray cleaning effect better. The spray chamber includes a spray upper chamber 201, a spray middle chamber 202, and a spray lower chamber 203; the upper spray chamber is provided with an upper spray pipe 701, an upper packing layer 801, and an upper spray pipe is arranged above the upper packing layer. pipe; the middle spraying chamber is provided with a middle spraying pipe 702, a middle packing layer 802, and the top of the middle packing layer is provided with a middle spraying pipe; the lower spraying chamber is provided with a lower spraying pipe 703, a lower packing layer 803, and a lower packing A lower spray pipe is arranged above the layer; the upper spray pipe, the middle spray pipe and the lower spray pipe are...

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Abstract

The invention discloses a chemical waste gas spraying and cleaning treatment tower which comprises a vertical spraying tower body; a demisting chamber, a spraying chamber and a water cleaning chamberare formed in the spraying tower body from top to bottom in sequence; a gas inlet flange is connected with a gas inlet pipe; cleaning water is poured in the water cleaning chamber; a plurality of gasoutlets are formed in the gas inlet pipe, and are formed in the cleaning water; a spraying pipe and a packing layer are arranged in the spraying chamber; the spraying pipe is connected with a circulating water delivery pipe; the circulating water delivery pipe is connected with a circulating pump; the circulating pump is connected with a circulating water tank; the circulating water tank is connected with the water cleaning chamber through a water pipe; a dosing tank is connected to one side of the water cleaning chamber; and a heat exchanger is arranged in the water cleaning chamber. The chemical waste gas spraying and cleaning treatment tower has the advantages that the waste gas retention time in the spraying tower is prolonged, the erosion of acid aerial fog on the tower body of the spraying tower and the spraying pipe is reduced, spraying water is cyclically utilized, and effective spraying and cleaning of chemical waste gas are realized.

Description

technical field [0001] The invention relates to a waste gas treatment device, in particular to a chemical waste gas spray washing treatment tower. Background technique [0002] Chemical waste gas refers to the poisonous and harmful gas discharged from chemical plants in chemical production. Chemical waste gas often contains many types of pollutants, complex physical and chemical properties, and different toxicity, which seriously pollutes the environment and affects human health. [0003] Existing waste gas treatment devices mainly include spray towers, adsorption towers, dust removal devices, etc., among which the spray tower is an effective device for waste gas treatment, and the spray tower is mainly to reduce the temperature of the waste gas and effectively remove dust. Due to the high temperature of chemical waste gas and the high content of dust or organic gas, spray washing treatment is generally a preliminary treatment process for high-concentration waste gas. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D47/06B01D53/14B01D53/18
CPCB01D47/06B01D53/1456B01D53/18
Inventor 韩正刚
Owner 南京易洁环保科技有限公司