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System for industrial waste gas treatment and salt regeneration

A technology of industrial waste gas and regeneration system, applied in chemical instruments and methods, preparation of chlorides, separation of dispersed particles, etc., can solve problems such as pollution and achieve the effect of increasing added value

Inactive Publication Date: 2010-10-20
WUJIN COUNTY ANTISEPTIC EQUIP FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above waste gas treatment device has treated the industrial waste gas containing chlorine gas and hydrogen chloride gas to make the discharged gas meet the standard, if the discharge liquid is not treated, there will still be pollution problems

Method used

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  • System for industrial waste gas treatment and salt regeneration
  • System for industrial waste gas treatment and salt regeneration
  • System for industrial waste gas treatment and salt regeneration

Examples

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Effect test

Embodiment 1

[0011] Example 1 see figure 1 , This embodiment includes waste gas treatment device A, neutralization and deslagging device B, salt solution concentration device C, water supply main pipe 1, lye supply tank 2, hydrochloric acid storage tank 3, water collection tank 4 and filtrate storage tank 5. The neutral water of the main water supply pipe 1 is jointly provided by external industrial water and condensed water produced by the system.

[0012] The exhaust gas treatment device A has No. 1 absorption tower A1, No. 2 absorption tower A2, No. 3 absorption tower A3, No. 4 absorption tower A4, No. 5 absorption tower A5, aerosol separator A6, mixer A7 and acid liquid clarification Tank A9 and lye transfer tank A10. The above No. 1 absorption tower A1 is a spray absorption tower, No. 2 absorption tower A2 and No. 3 absorption tower A3 are turbulent spray absorption towers. No. 4 absorption tower A4 and No. 5 absorption tower A5 are packed absorption towers. The upper part of the s...

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Abstract

The invention relates to a system for industrial waste gas treatment and salt regeneration, which comprises a waste gas treatment device, a neutralization deslagging device, a salt liquid concentration device, a main water supply pipe, an alkali liquid feeding tank and a hydrochloric acid storage tank, wherein the waste gas treatment device is provided with absorption towers No.1-No.5, a gas-liquid separator, a blender, an acid liquid clarifying tank and an alkali liquid transit tank; the neutralization deslagging device is provided with a neutralization mixing kettle, an impurity elimination tank, a filter press and a salt liquid transit tank; and the salt liquid concentration device is provided with a preheater, a heater, an evaporator, a crystallizer, a salt liquid mixing tank, a centrifuge, a condenser and a condensing water tank. The system can effectively treat industrial waste gas containing chlorine gas and hydrogen chloride gas. Since products are reclaimed from waste liquid, the added value of the system is improved, and simultaneously, problems on sewage discharge do not exist.

Description

technical field [0001] The invention relates to an industrial waste gas treatment and salt regeneration system. Background technique [0002] The industrial waste gas containing chlorine gas and hydrogen chloride gas produced in industrial production needs to be treated and discharged only after reaching the standard. The Chinese patent No. 200720005231.7 utility model patent specification discloses an exhaust gas treatment device, which has a first-stage scrubber, a second-stage turbulent tower, and a third-stage turbulent tower. The first-stage scrubber and the second and third-stage turbulent towers are equipped with No. 1, No. 2 and No. 3 heat exchangers. In addition, the system also has a lye main pipe, a water inlet pipe, a cooling water supply main pipe, a cooling return water main pipe, and a discharge main pipe. The exhaust gas is drawn by the fan into the first-stage scrubber, and in the turbulence pipe of the first-stage scrubber, it fully contacts with the water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/68C01B7/01C01B9/02B01D53/96
Inventor 杨亚东周世伟徐田忠徐晓虎王华宗朱瑞荣徐全海
Owner WUJIN COUNTY ANTISEPTIC EQUIP FACTORY
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