CN101700915B - Processing method of phenol-cyanogen wastewater generated by coal gas generator - Google Patents
Processing method of phenol-cyanogen wastewater generated by coal gas generator Download PDFInfo
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- CN101700915B CN101700915B CN2009102161562A CN200910216156A CN101700915B CN 101700915 B CN101700915 B CN 101700915B CN 2009102161562 A CN2009102161562 A CN 2009102161562A CN 200910216156 A CN200910216156 A CN 200910216156A CN 101700915 B CN101700915 B CN 101700915B
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- gas generator
- water jacket
- producer gas
- produces
- cyanide
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Abstract
The invention introduces a processing method of phenol-cyanogen wastewater generated by a coal gas generator. In the invention, a phenol-cyanogen wastewater evaporation water jacket is arranged outside a steam generator of the coal gas generator, the phenol-cyanogen wastewater generated by the coal gas generator is sent to the evaporation water jacket for evaporating and the steam generated by the evaporation water jacket is sent to a lower slag layer section of the coal gas generator as raw materials for producing coal gas.
Description
Technical field
The present invention relates to a kind of treatment process of the wastewater containing phenol and cyanide of producer gas generator generation.
Background technology
Coal gas is a class widely used fuel in producing and living, and it is to be made by series of chemical in producer gas generator by coal.In preparation cooled coal gas process, can produce wastewater containing phenol and cyanide (waste water that contains phenol and cyanogen) inevitably, this waste water will cause severe contamination to environment if directly enter environment.The treatment process of wastewater containing phenol and cyanide mainly contains biological chemistry treatment process, independent burning method, system coal water slurry facture and sneaks into drying tower raw material facture at present.Biological chemistry disposal methods effect instability, cost is higher; Though the burning method treatment effect is fine separately, processing cost is very high; The coal slurry industry investment of system coal water slurry facture is big, and many producers do not have this system, are difficult to carry out.Sneak into drying tower raw material facture, low-temperature zone is evaporated in a large number, makes considerable part phenol and cyanogen have neither part nor lot in chemical reaction and enter atmosphere thus.The treatment process of the wastewater containing phenol and cyanide that cost of development producer gas generator low, easy to use produces has big practical value.
Summary of the invention
The problem of the treatment process of the wastewater containing phenol and cyanide that produces at present producer gas generator, it is low to the objective of the invention is to seek processing cost, in the gas production producer treatment process of the wastewater containing phenol and cyanide that produces of the producer gas generator of in-field use easily, it is characterized in that outside the vapour generator of producer gas generator, being provided with a wastewater containing phenol and cyanide evaporation water jacket, the wastewater containing phenol and cyanide that producer gas generator produces is sent into this evaporation water jacket evaporation, and the steam that the evaporation water jacket produces is sent into producer gas generator bottom slag blanket section as the raw material of producing coal gas.Vapor pressure 〉=0.001MPa that the evaporation water jacket produces.Supply with the quantity of steam of producer gas generator by steam generator and do corresponding minimizing, the water vapor amount that reduction produces for the evaporation water jacket.
The object of the present invention is achieved like this, in the evaporation water jacket, all organism and water in the wastewater containing phenol and cyanide become organic steam and water vapor respectively, after the steam that the evaporation water jacket produces enters producer gas generator, by the preheating of slag blanket section, be oxidized to CO at the oxidation panel organic steam
2And H
2O.CO
2And H
2O (comprising the water vapor that the wastewater containing phenol and cyanide evaporation produces) finally generates coal gas by following series of chemical.
2C+O
2＝2CO
2CO+O
2＝2CO
2
C+O
2＝CO
2
C+2H
2O＝CO
2+2H
2
C+H
2O＝CO+H
2
C+2H
2＝CH
4
C+CO
2＝2CO
The steam that the evaporation water jacket produces is all produced the raw material of coal gas as producer gas generator, the steam that the vapour generator of this steam and producer gas generator produces is basic identical, can the chemical reaction process of producer gas generator not had a negative impact.The required heat of evaporation water jacket is supplied with by the relative low temperature face of the vapour generator of producer gas generator, can avoid the problem of the heat transfer efficiency reduction that organic charing causes in the wastewater containing phenol and cyanide.The heat of being supplied with vapour generator by producer gas generator is superfluous, and the steam that vapour generator produces also is superfluous, and surplus heat can be used for handling wastewater containing phenol and cyanide.The steam that the evaporation water jacket produces is all produced the raw material of coal gas as producer gas generator, can reduce the consumption of water simultaneously, has realized cleaning of technology.
With respect to existing method, outstanding advantage of the present invention is that the wastewater containing phenol and cyanide that producer gas generator produces is thoroughly handled in gas production technology, substantially do not increase the production cost of coal gas, can reduce the consumption of water simultaneously, have tangible economic benefit and environmental benefit.
Specific implementation method
Embodiment 1: the outer face down bonding of marking the vapour generator of cubic meter producer gas generators in a daily output 200,000 welds wastewater containing phenol and cyanide evaporation water jacket, handle 2.5 cubic metres of wastewater containing phenol and cyanides (being slightly larger than the amount of the wastewater containing phenol and cyanide of this producer gas generator generation) day, the vapor pressure of wastewater containing phenol and cyanide evaporation water jacket is about 0.02MPa.The steam that wastewater containing phenol and cyanide evaporation water jacket produces all feeds the slag blanket section of this producer gas generator and makes raw material.Result of implementation shows that this producer gas generator is stable.
Embodiment 2: the outer face down bonding of marking the vapour generator of cubic meter producer gas generators in a daily output 100,000 welds wastewater containing phenol and cyanide evaporation water jacket, handle 1.2 cubic metres of wastewater containing phenol and cyanides (being slightly larger than the amount of the wastewater containing phenol and cyanide of this producer gas generator generation) day, the vapor pressure of wastewater containing phenol and cyanide evaporation water jacket is about 0.02MPa.The steam that wastewater containing phenol and cyanide evaporation water jacket produces all feeds the slag blanket section of this producer gas generator and makes raw material.Result of implementation shows that this producer gas generator is stable.
Claims (1)
1. the treatment process of the wastewater containing phenol and cyanide that produces of a producer gas generator, it is characterized in that outside the vapour generator of producer gas generator, being provided with a wastewater containing phenol and cyanide evaporation water jacket, the wastewater containing phenol and cyanide that producer gas generator produces is sent into this evaporation water jacket evaporation, the steam that the evaporation water jacket produces is sent into producer gas generator bottom slag blanket section as the raw material of producing coal gas, vapor pressure 〉=0.001MPa that the evaporation water jacket produces, supply with the quantity of steam of producer gas generator by steam generator and do corresponding minimizing, the water vapor amount that reduction produces for the evaporation water jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102161562A CN101700915B (en) | 2009-11-06 | 2009-11-06 | Processing method of phenol-cyanogen wastewater generated by coal gas generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102161562A CN101700915B (en) | 2009-11-06 | 2009-11-06 | Processing method of phenol-cyanogen wastewater generated by coal gas generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101700915A CN101700915A (en) | 2010-05-05 |
| CN101700915B true CN101700915B (en) | 2011-12-28 |
Family
ID=42155848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102161562A Expired - Fee Related CN101700915B (en) | 2009-11-06 | 2009-11-06 | Processing method of phenol-cyanogen wastewater generated by coal gas generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN101700915B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201010631Y (en) * | 2007-03-03 | 2008-01-23 | 淄博义丰机械工程有限公司 | Phenol water processing device for gas producer |
| CN201102951Y (en) * | 2007-09-06 | 2008-08-20 | 淄博禹江实业有限公司 | Phenol water evaporator |
| CN101255363A (en) * | 2007-03-03 | 2008-09-03 | 淄博义丰机械工程有限公司 | Coal-gas producer phenolic water high-temperature treating device and treating process |
| CN201190132Y (en) * | 2008-03-15 | 2009-02-04 | 闫万河 | Coalgas phenol-containing water treatment device |
| CN101381630A (en) * | 2007-09-06 | 2009-03-11 | 淄博禹江实业有限公司 | Cold gas production technique for phenol-containing water self treatment |
| CN101481188A (en) * | 2008-12-25 | 2009-07-15 | 唐山科源环保技术装备有限公司 | Treating method for phenolic waste water of gas producer gas station |
-
2009
- 2009-11-06 CN CN2009102161562A patent/CN101700915B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201010631Y (en) * | 2007-03-03 | 2008-01-23 | 淄博义丰机械工程有限公司 | Phenol water processing device for gas producer |
| CN101255363A (en) * | 2007-03-03 | 2008-09-03 | 淄博义丰机械工程有限公司 | Coal-gas producer phenolic water high-temperature treating device and treating process |
| CN201102951Y (en) * | 2007-09-06 | 2008-08-20 | 淄博禹江实业有限公司 | Phenol water evaporator |
| CN101381630A (en) * | 2007-09-06 | 2009-03-11 | 淄博禹江实业有限公司 | Cold gas production technique for phenol-containing water self treatment |
| CN201190132Y (en) * | 2008-03-15 | 2009-02-04 | 闫万河 | Coalgas phenol-containing water treatment device |
| CN101481188A (en) * | 2008-12-25 | 2009-07-15 | 唐山科源环保技术装备有限公司 | Treating method for phenolic waste water of gas producer gas station |
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| Publication number | Publication date |
|---|---|
| CN101700915A (en) | 2010-05-05 |
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Granted publication date: 20111228 Termination date: 20121106 |