CN104906936A - High temperature and high pressure desorbing electrolysis waste gas integrated utilization method - Google Patents
High temperature and high pressure desorbing electrolysis waste gas integrated utilization method Download PDFInfo
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- CN104906936A CN104906936A CN201510306691.2A CN201510306691A CN104906936A CN 104906936 A CN104906936 A CN 104906936A CN 201510306691 A CN201510306691 A CN 201510306691A CN 104906936 A CN104906936 A CN 104906936A
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- high temperature
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a high temperature and high pressure desorbing electrolysis waste gas integrated utilization method which comprises the following steps that: firstly, high temperature and high pressure desorbing electrolysis waste gas is controlled by a valve to pass through a water tank through a snakelike vent pipe, and desorbing waste gas is dissolved with water, so that the temperature of the gas is lowered, the heat of the gas is transferred into a solution from the gas, the alkalinity of the gas is greatly reduced after the desorbing electrolysis waste gas passes through the water solution, most alkali is transferred into the water solution, and the recycled high temperature alkaline solution can be returned to a solution tank to be used as a desorbing electrolysis replenisher; secondarily, the cooled gas in weak alkalinity can be neutralized through an acid pickling spray process, and the neutralized low temperature gas can be discharged. According to the invention, the use quantity of the acid and alkali can be reduced, the production cost of enterprises can be lowered, and the finally produced neutralized non-toxic harmless gas has no damage to the environment.
Description
Technical field
The present invention relates to gold desorbing electrolytic field, particularly a kind of carbon stripping with high temperature-pressure waste gas comprehensive utilization new method, is specifically related to the condensation of carbon stripping with high temperature-pressure gas and reclaims the new method adding liquid as desorbing electrolytic.
Background technology
In existing domestic gold mining enterprises, desorbing electrolytic waste gas majority is arranged outward, or adopts spray to process.Carbon stripping with high temperature-pressure waste gas is discharged in temperature 150 DEG C, pressure 0.35-0.55Mp situation.Outer row had not only polluted environment but also had wasted the heat of waste gas, caused energy waste.Although spray solves environmental problem, do not utilize the waste heat of waste gas.
Summary of the invention
In order to make full use of carbon stripping with high temperature-pressure waste gas, the invention provides a kind of carbon stripping with high temperature-pressure waste gas method of comprehensive utilization, this technique can make full use of the heat of carbon stripping with high temperature-pressure waste gas, also utilize the feature of the water-soluble rear aobvious alkalescence of desorbing electrolytic waste gas simultaneously, be recovered in new stripping liquid, the desorb waste gas after cooling through in overpickling spray equipment and after can outside discharge chamber.
The method of the present invention is:
First, carbon stripping with high temperature-pressure gas passes through snakelike blast pipe through water tank by Valve controlling, desorb waste gas and water-soluble solution, reduce gas temperature, gas heat proceeds in solution by gas, and desorbing electrolytic waste gas is by also greatly reducing the alkalescence of gas after the aqueous solution, a large amount of alkali is transferred in the aqueous solution, high-temperature alkaline solution after recovery can return in solution tank, adds liquid as desorbing electrolytic; Secondly, after cooling, aobvious weakly alkaline gas is by the neutralization of pickling spray process, and the cryogenic gas after neutralization is arranged outward.
The invention has the beneficial effects as follows:
Take full advantage of the heat of carbon stripping with high temperature-pressure waste gas, reclaimed the alkali in alkaline gas, save the alkali charge in enterprise, meanwhile, after cooling, aobvious weakly alkaline gas can be neutralized by a small amount of acid spray, decreases the use amount of acid, gas after neutralization can be arranged outward, non-environmental-pollution.The reduction of soda acid use amount decreases enterprise's production cost, and the nontoxic gas formed after final neutralization is to environment without destruction, and environment protection significance is great.
Claims (1)
1. a carbon stripping with high temperature-pressure waste gas method of comprehensive utilization, the method is:
First, carbon stripping with high temperature-pressure gas passes through snakelike blast pipe through water tank by Valve controlling, desorb waste gas and water-soluble solution, reduce gas temperature, gas heat proceeds in solution by gas, and desorbing electrolytic waste gas is by also greatly reducing the alkalescence of gas after the aqueous solution, a large amount of alkali is transferred in the aqueous solution, high-temperature alkaline solution after recovery can return in solution tank, adds liquid as desorbing electrolytic; Secondly, after cooling, aobvious weakly alkaline gas is by the neutralization of pickling spray process, and the cryogenic gas after neutralization is arranged outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510306691.2A CN104906936A (en) | 2015-06-06 | 2015-06-06 | High temperature and high pressure desorbing electrolysis waste gas integrated utilization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510306691.2A CN104906936A (en) | 2015-06-06 | 2015-06-06 | High temperature and high pressure desorbing electrolysis waste gas integrated utilization method |
Publications (1)
| Publication Number | Publication Date |
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| CN104906936A true CN104906936A (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510306691.2A Pending CN104906936A (en) | 2015-06-06 | 2015-06-06 | High temperature and high pressure desorbing electrolysis waste gas integrated utilization method |
Country Status (1)
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| CN (1) | CN104906936A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5443874A (en) * | 1977-09-16 | 1979-04-06 | Asahi Glass Co Ltd | Desulfurizing method for exhaust gas |
| JPH035616A (en) * | 1989-06-01 | 1991-01-11 | Takuma Co Ltd | Simultaneous decrease of nitrogen oxides, sulfur oxides and hydrogen chloride in waste combustion gas |
| CN101279194A (en) * | 2008-05-22 | 2008-10-08 | 上海环境保护有限公司 | Method for treating high-temperature industrial waste gas with ice water cool-neutralization wash and absorption method |
| CN202263520U (en) * | 2011-10-17 | 2012-06-06 | 沈阳环境科学研究院 | Modularized volatile organic flue gas absorption and purification system |
| CN104415646A (en) * | 2013-09-06 | 2015-03-18 | 天津泰士康工贸有限公司 | Atomization tail gas treatment system with water circulation device |
-
2015
- 2015-06-06 CN CN201510306691.2A patent/CN104906936A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5443874A (en) * | 1977-09-16 | 1979-04-06 | Asahi Glass Co Ltd | Desulfurizing method for exhaust gas |
| JPH035616A (en) * | 1989-06-01 | 1991-01-11 | Takuma Co Ltd | Simultaneous decrease of nitrogen oxides, sulfur oxides and hydrogen chloride in waste combustion gas |
| CN101279194A (en) * | 2008-05-22 | 2008-10-08 | 上海环境保护有限公司 | Method for treating high-temperature industrial waste gas with ice water cool-neutralization wash and absorption method |
| CN202263520U (en) * | 2011-10-17 | 2012-06-06 | 沈阳环境科学研究院 | Modularized volatile organic flue gas absorption and purification system |
| CN104415646A (en) * | 2013-09-06 | 2015-03-18 | 天津泰士康工贸有限公司 | Atomization tail gas treatment system with water circulation device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150916 |