CN105502647A - Sewage anaerobic treatment methane recycling system - Google Patents
Sewage anaerobic treatment methane recycling system Download PDFInfo
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- CN105502647A CN105502647A CN201410496602.0A CN201410496602A CN105502647A CN 105502647 A CN105502647 A CN 105502647A CN 201410496602 A CN201410496602 A CN 201410496602A CN 105502647 A CN105502647 A CN 105502647A
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- methane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sewage anaerobic treatment methane recycling system which includes an anaerobic column. A gas discharge outlet on the anaerobic column is connected to an inlet of a water-sealed tank through a pipeline. The outlet of the water-sealed tank is connected to the inlet of a gas-water separator. The outlet of the gas-water separator is connected to the inlet of a desulfurization pump through a pipeline. The outlet of the desulfurization pump is connected to a pressurizing pump through a pipeline. The outlet of the pressurizing pump is connected to the bottom of a boiler through a pipeline. The top of the boiler is connected to a methane storage tank through a pipeline. The system performs purification and desulfurization to marsh gas generated during a sewage anaerobic treatment process to obtain a mixed gas with methane and CO2 as main components. The mixed gas then is fed into the boiler through pressurized liquefaction and then is heated. According to the characteristic that CO2 is soluble in water but methane is insoluble in water, methane vapor is obtained and is collected and stored for use. The system avoids environment pollution due to emission during combustion of methane and meanwhile increases resources utilization rate and turns waste into resources.
Description
Technical field
The present invention relates to energy recycling device, particularly relating to the system that a kind of methane to producing in anerobic sowage treating processes carries out recycling.
Background technology
UASB anaerobic reactor is the biological treatment energy saver that a kind of efficiency is high, be easy to management.Its reaction process is carried out in oxygen-free environment, utilizes the vital movement of anaerobion, various organic pollutant is converted into the process of methane, carbonic acid gas.
Anaerobic system can produce a large amount of biogas in the process removing organic matter of sewage, contains the methane gas of more than 70% after measured in this biogas; Methane, as greenhouse gases, is CQ to the harm of air
2more than 20 times, simultaneously its fuel value is up to 5500-7000Kcal/Nm3, is equivalent to 0.86KG and marks coal, therefore biogas as regeneration low stain biomass energy its recycle be worth considerable.
At present, biogas many employings method of directly burning that sewage treatment process produces is carried out emptying, and not only a large amount of heat energy is wasted, and the HS produced in anaerobic reaction process and ammonia burning time produce SO
2deng pollutent, certain pollution is defined to air.Therefore how making full use of these biogas, be not only the needs that enterprise increases economic efficiency, is also the needs that energy-saving and emission-reduction realize economic circulation development, the needs of social responsibility especially.
Summary of the invention
For improving methane recovery utilization ratio, reduce environmental pollution, the present invention proposes the system that a kind of methane to producing in anerobic sowage treating processes carries out recycling.
For this reason, technical scheme of the present invention is: a kind of anerobic sowage process methane recycling system, comprise anaerobic tower, it is characterized in that: anaerobic tower venting port is connected to water-sealed tank entrance by pipeline, water-sealed tank outlet is connected to air water separator entrance, and air water separator outlet is connected to desulfur pump import by pipeline, and desulfur pump outlet is connected to topping-up pump by pipeline, booster pump outlet is connected to boiler bottom by pipeline, and boiler top is connected to methane storage tank by pipeline.
One for technique scheme is improved and is, for ensureing production security, be provided with low pressure storage tank between described desulfur pump and topping-up pump, low pressure storage tank is provided with safety valve.
Another kind for technique scheme improves and is: for convenience of storing and transport, described supercharging is pumped air outlet and is connected with high pressure storage tank.
Further improvement for technique scheme is: by improve the purity of recovery methane, described high pressure storage tank is provided with cleaner.
Beneficial effect:
The present invention by purifying the biogas produced in anerobic sowage treating processes, desulfurization process, obtain the mixed gas that main component is methane and carbon dioxide, more pressurized liquefied process carried out to this mixed gas, store and transport to facilitate; Then imported in boiler by the mixed gas of post liquefaction and heat, the water-fast characteristic of, methane soluble in water according to carbonic acid gas, obtains steam methane, collects after storing namely recycling.This system obviates to environment in biogas combustion evacuation procedure, meanwhile, improve resource utilization, turn waste into wealth.
Accompanying drawing explanation
Fig. 1 is system flowchart of the present invention;
Number in the figure is: 1, anaerobic tower; 2, water-sealed tank; 3, air water separator; 4, desulfur pump; 5, low pressure storage tank; 6, safety valve; 7, topping-up pump; 8, high pressure storage tank; 9, cleaner; 10, oil-firing boiler; 11, methane storage tank.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of anerobic sowage process methane recycling system, comprises anaerobic tower 1, the venting port of anaerobic tower 1 is connected to the entrance of water-sealed tank 2 by pipeline, controlled the air pressure of anaerobic tower by water-sealed tank, the biogas that anaerobic reaction is produced is discharged continually and steadily; The outlet of water-sealed tank 2 is connected to the entrance of air water separator 3 by pipeline, by air water separator, filtration, purification is carried out to the moisture in biogas and particulate matter; Then the outlet of air water separator 3 is connected to the import of desulfur pump 4 by pipeline, obtains by the hydrogen sulfide in desulfur pump removing biogas and ammonia the mixed gas that main component is methane and carbon dioxide; For ensureing the security of producing, low pressure storage tank 5 is connected with in the exit of desulfur pump 4, low pressure storage tank 5 is provided with safety valve 6, the outlet of safety valve 6 is connected to topping-up pump 7 by pipeline, the air outlet of topping-up pump 7 is connected with high pressure storage tank 8 by pipeline, through safety relief after the mixing first frequent gentle storage of methane and carbon dioxide, is then stored by the pressurized liquefied laggard horizontal high voltage of topping-up pump, store and transport to facilitate, improve storage security simultaneously; Described high pressure storage tank 8 is provided with cleaner 9, removes unnecessary gas by cleaner, to improve the purity of subsequent recovery methane; The venting port of cleaner 9 is connected to the bottom of oil-firing boiler 10 by pipeline, finally the top of oil-firing boiler 10 is connected on methane storage tank 11 by pipeline, during system cloud gray model, along with boiler temperature progressively raises, methane in mixture progressively becomes steam and is pooled to boiler top, and be stored in methane storage tank by pipeline collection, realize recycling.
The present invention by purifying the biogas produced in anerobic sowage treating processes, desulfurization process, obtain the mixed gas that main component is methane and carbon dioxide, more pressurized liquefied process carried out to this mixed gas, store and transport to facilitate; Then imported in boiler by the mixed gas of post liquefaction and heat, the water-fast characteristic of, methane soluble in water according to carbonic acid gas, obtains steam methane, collects after storing namely recycling.This system obviates to environment in biogas combustion evacuation procedure, meanwhile, improve resource utilization, turn waste into wealth.
Claims (4)
1. an anerobic sowage process methane recycling system, comprise anaerobic tower, it is characterized in that: anaerobic tower venting port is connected to water-sealed tank entrance by pipeline, water-sealed tank outlet is connected to air water separator entrance, air water separator outlet is connected to desulfur pump import by pipeline, desulfur pump outlet is connected to topping-up pump by pipeline, and booster pump outlet is connected to boiler bottom by pipeline, and boiler top is connected to methane storage tank by pipeline.
2. a kind of anerobic sowage process methane recycling system according to claim 1, is characterized in that: be provided with low pressure storage tank between described desulfur pump and topping-up pump, low pressure storage tank is provided with safety valve.
3. a kind of anerobic sowage process methane recycling system according to claim 1, is characterized in that: described topping-up pump air outlet is connected with high pressure storage tank.
4. a kind of anerobic sowage process methane recycling system according to claim 1 or 3, is characterized in that: described high pressure storage tank is provided with cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496602.0A CN105502647A (en) | 2014-09-25 | 2014-09-25 | Sewage anaerobic treatment methane recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496602.0A CN105502647A (en) | 2014-09-25 | 2014-09-25 | Sewage anaerobic treatment methane recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105502647A true CN105502647A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410496602.0A Pending CN105502647A (en) | 2014-09-25 | 2014-09-25 | Sewage anaerobic treatment methane recycling system |
Country Status (1)
| Country | Link |
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| CN (1) | CN105502647A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074136A (en) * | 2013-01-16 | 2013-05-01 | 东莞新奥燃气有限公司 | System and process method for producing natural gas by beer biogas |
| CN203525539U (en) * | 2013-10-18 | 2014-04-09 | 中聚天冠生物能源有限公司 | Decarbonization device for preparing biogas from methane |
| CN204125232U (en) * | 2014-09-25 | 2015-01-28 | 竹山县鑫源皂素有限责任公司 | A kind of anerobic sowage process methane recycling system |
-
2014
- 2014-09-25 CN CN201410496602.0A patent/CN105502647A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074136A (en) * | 2013-01-16 | 2013-05-01 | 东莞新奥燃气有限公司 | System and process method for producing natural gas by beer biogas |
| CN203525539U (en) * | 2013-10-18 | 2014-04-09 | 中聚天冠生物能源有限公司 | Decarbonization device for preparing biogas from methane |
| CN204125232U (en) * | 2014-09-25 | 2015-01-28 | 竹山县鑫源皂素有限责任公司 | A kind of anerobic sowage process methane recycling system |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160420 |