CN102295364B - Apparatus and process for virtuous cycle treatment of slag flushing water of gas producer - Google Patents
Apparatus and process for virtuous cycle treatment of slag flushing water of gas producer Download PDFInfo
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- CN102295364B CN102295364B CN 201110165949 CN201110165949A CN102295364B CN 102295364 B CN102295364 B CN 102295364B CN 201110165949 CN201110165949 CN 201110165949 CN 201110165949 A CN201110165949 A CN 201110165949A CN 102295364 B CN102295364 B CN 102295364B
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Abstract
The invention discloses an apparatus and a process for virtuous cycle treatment of slag flushing water of a gas producer. The apparatus is characterized in that: the apparatus comprises a gas producer, two vertical tubes for preliminarily cooling a gas from the gas producer, a washing tower for secondarily cooling the gas from the gas producer, a circulatory pool, a furnace bottom water seal for cooling slag, and a wastewater recovery pool connected with the furnace bottom water seal; and the gas producer is connected with the two vertical tubes which are connected with the washing tower, the circulatory pool is connected with the two vertical tubes and the washing tower respectively through a centrifugal pump, and the wastewater recovery pool is connected with the circulatory pool through a centrifugal pump. The slag flushing water in the wastewater recovery pool is subjected to multiple cycle physical settlement purification and is input to the recovery pool, and acidic water in the circulatory pool is neutralized by alkaline slag flushing water in the wastewater recovery pool to keep water in the circulatory pool remain neutral, so the corrosion of the acidic water in the circulatory pool to equipment is reduced, the production cost is reduced, and good social benefits and economic benefits are achieved.
Description
Technical field
The present invention relates to a kind of producer gas generator flushing cinder water benign cycle treatment unit and treatment process, be applicable to coal gas generation equipment technical field.
Background technology
The discharged producer gas temperature of producer gas generator is about 500-600 ℃; After the first cooling of water in circulating water pool; Get into washing tower and carry out the secondary cooling, the water in the washing tower gets into and continues in the circulating water pool to utilize, and is the acid waste water that contains objectionable impuritiess such as SOx, phenol, benzopyrene through the recirculated water of overcooling discharged producer gas; Do not allow to efflux, bigger to environmental hazard.In actual motion, the acidity of water is along with recycle is increasing in the circulating water pool, and pH value reaches about 3 or 4, and very big to equipment harm, present way generally has two kinds: a kind of is that processing industry alkali neutralizes, and a kind of is to replenish new water to dilute.These two kinds of way working costs are all very big.In addition, after the water quench of the lime-ash of producer gas generator through the furnace bottom water seal, the water quality of water coolant is alkalescence, and pH value is about 8 or 9, and present way is directly to efflux water coolant, also environment is caused pollution to a certain degree.
Summary of the invention
The technical problem that the present invention will solve provides a kind of producer gas generator flushing cinder water benign cycle treatment unit and treatment process; Make that the water in the circulating water pool keeps neutral in the producer gas generator working process; Reduced the water in the circulating water pool to corrosion on Equipment; Improve the life cycle of equipment, reduced production cost simultaneously.
For solving the problems of the technologies described above; The technical scheme that the present invention taked is: a kind of producer gas generator flushing cinder water benign cycle treatment unit, comprise producer gas generator, be used for cooling off for the first time discharged producer gas two vertical tubes, be used for washing tower, circulating water pool that secondary cools off discharged producer gas, be used to cool off cindery furnace bottom water seal and the waste water reclamation pond that links to each other with the furnace bottom water seal; Said producer gas generator is connected with two vertical tubes, two vertical tube is connected with washing tower, and said circulating water pool is connected with two vertical tubes, washing tower respectively through impeller pump, and said waste water reclamation pond is connected with circulating water pool through impeller pump.
Producer gas generator flushing cinder water benign cycle treatment process of the present invention is: the water in the circulating water pool sprays respectively in two vertical tubes and the washing tower through impeller pump; The discharged producer gas of producer gas generator exports the user to after the water cooling in two vertical tubes, washing tower successively; Water in two vertical tubes and the washing tower behind the cooling discharged producer gas flows back to and continues in the circulating water pool to utilize; Through recycle repeatedly, it is acid that the water in the circulating water pool is; The lime-ash process furnace bottom water seal of producer gas generator is cooled off; Flushing cinder water after the cooling lime-ash in the furnace bottom water seal is entered in the waste water reclamation pond; Flushing cinder water in the waste water reclamation pond is alkalescence; Flushing cinder water in the waste water reclamation pond through the physics subsiding and purifying that repeatedly circulates after, in impeller pump input circulating water pool, be in the said waste water reclamation pond and be tart water in flushing cinder water and the circulating water pool of alkalescence and neutralize.
Through behind the above-mentioned treatment process, the water in the circulating water pool has kept neutrality, has avoided the use of the additional and industrial soda of new water.
Beneficial effect of the present invention is following: through between furnace bottom water seal and circulating water pool, increasing the waste water reclamation pond; Make the cooling lime-ash be the flushing cinder water of alkalescence afterwards, can neutralize, thereby make the water in the circulating water pool keep neutral with the tart water that is behind the cooling discharged producer gas in the circulating water pool; Reach the conscience recycle of producer gas generator flushing cinder water; Reduce the sour water in the circulating water pool to corrosion on Equipment, reduced equipment maintenance cost, improved the equipment life cycle; Reduce production cost, obtained good social benefit and economic benefit.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in Figure 1; Producer gas generator flushing cinder water of the present invention benign cycle treatment unit, comprise producer gas generator, be used for cooling off for the first time discharged producer gas two vertical tubes, be used for washing tower, circulating water pool that secondary cools off discharged producer gas, be used to cool off cindery furnace bottom water seal and the waste water reclamation pond that links to each other with the furnace bottom water seal; Producer gas generator is connected with two vertical tubes, two vertical tube is connected with washing tower, and circulating water pool is connected with two vertical tubes, washing tower respectively through impeller pump, and the waste water reclamation pond is connected with circulating water pool through impeller pump.
The treatment process that utilizes above-mentioned producer gas generator flushing cinder water benign cycle treatment unit to carry out is: the water in the circulating water pool sprays respectively in two vertical tubes and the washing tower through impeller pump; The discharged producer gas of producer gas generator exports the user to after the water cooling in two vertical tubes, washing tower successively; Water in two vertical tubes and the washing tower behind the cooling discharged producer gas flows back to and continues in the circulating water pool to utilize; Through recycle repeatedly, it is acid that the water in the circulating water pool is, and acidity is increasing; PH value reaches about 3 or 4, and is very big to the harm of two vertical tubes and washing tower equipment; The lime-ash process furnace bottom water seal of producer gas generator is cooled off; Flushing cinder water after the cooling lime-ash in the furnace bottom water seal is entered in the waste water reclamation pond; This water coolant be alkalescence, pH value about 8-9, the flushing cinder water in the waste water reclamation pond through the physics subsiding and purifying that repeatedly circulates after; In impeller pump input circulating water pool; Be in the waste water reclamation pond like this and be tart water in flushing cinder water and the circulating water pool of alkalescence and neutralize, make that the water in the circulating water pool keeps neutral, continue recycle and will can not produce and endanger equipment.
In sum, the present invention is through increasing the waste water reclamation pond, the flushing cinder water that is alkalescence after the feasible cooling lime-ash between furnace bottom water seal and circulating water pool; Can neutralize with the tart water that is behind the cooling discharged producer gas in the circulating water pool; Thereby make the water in the circulating water pool keep neutral, reach the conscience recycle of producer gas generator flushing cinder water, reduced the sour water in the circulating water pool corrosion on Equipment; Reduce equipment maintenance cost; Improve the equipment life cycle, reduced production cost, obtained good social benefit and economic benefit.
Claims (2)
1. producer gas generator flushing cinder water benign cycle treatment unit; Comprise producer gas generator, be used for cooling off for the first time discharged producer gas two vertical tubes, be used for washing tower, the circulating water pool of secondary cooling discharged producer gas and be used to cool off cindery furnace bottom water seal; Said producer gas generator is connected with two vertical tubes, two vertical tube is connected with washing tower; Said circulating water pool is connected with two vertical tubes, washing tower respectively through impeller pump; It is characterized in that: also comprise the waste water reclamation pond that links to each other with the furnace bottom water seal, said waste water reclamation pond is connected with circulating water pool through impeller pump.
2. producer gas generator flushing cinder water benign cycle treatment process: the water in the circulating water pool sprays respectively in two vertical tubes and the washing tower through impeller pump; The discharged producer gas of producer gas generator exports the user to after the water cooling in two vertical tubes, washing tower successively, and the water in two vertical tubes and the washing tower behind the cooling discharged producer gas flows back to and continues in the circulating water pool to utilize; The lime-ash process furnace bottom water seal of producer gas generator is cooled off; It is characterized in that: the flushing cinder water after the cooling lime-ash in the furnace bottom water seal is entered in the waste water reclamation pond; Flushing cinder water in the waste water reclamation pond through the physics subsiding and purifying that repeatedly circulates after; In impeller pump input circulating water pool, be in the said waste water reclamation pond and be tart water in flushing cinder water and the circulating water pool of alkalescence and neutralize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110165949 CN102295364B (en) | 2011-06-20 | 2011-06-20 | Apparatus and process for virtuous cycle treatment of slag flushing water of gas producer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110165949 CN102295364B (en) | 2011-06-20 | 2011-06-20 | Apparatus and process for virtuous cycle treatment of slag flushing water of gas producer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102295364A CN102295364A (en) | 2011-12-28 |
| CN102295364B true CN102295364B (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110165949 Expired - Fee Related CN102295364B (en) | 2011-06-20 | 2011-06-20 | Apparatus and process for virtuous cycle treatment of slag flushing water of gas producer |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897808A (en) * | 2012-10-29 | 2013-01-30 | 广西华银铝业有限公司 | Washing water afterheat recovery and utilization method of vertical pipe of producer |
| CN106766964A (en) * | 2017-01-18 | 2017-05-31 | 绵阳易简环保科技有限公司 | Energy-saving metal electric melting furnace cleaner |
| CN110372130A (en) * | 2019-08-20 | 2019-10-25 | 大连市市政设计研究院有限责任公司 | A kind of gas holder water seal waste water treatment system and method |
| CN114250086B (en) * | 2021-12-21 | 2023-04-25 | 中国科学院工程热物理研究所 | Slag cooling method and device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1102664A (en) * | 1993-11-11 | 1995-05-17 | 刘希军 | Method and unit for two-way split-flo gasifying of coal |
| DE19740616A1 (en) * | 1997-09-16 | 1999-03-18 | Irt Innovative Recycling Techn | Gas cleaning equipment for electric kiln firing ceramics |
| CN201128730Y (en) * | 2007-10-12 | 2008-10-08 | 李东田 | Improved energy-saving coal gas producer |
| CN202081076U (en) * | 2011-06-20 | 2011-12-21 | 新兴铸管股份有限公司 | Slag rinsing water benign-circulation processing device for gas generator |
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| CN102295364A (en) | 2011-12-28 |
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Granted publication date: 20121226 Termination date: 20170620 |