CN202441486U - Biogas electricity-generation device and fuel device - Google Patents
Biogas electricity-generation device and fuel device Download PDFInfo
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- CN202441486U CN202441486U CN2012200735790U CN201220073579U CN202441486U CN 202441486 U CN202441486 U CN 202441486U CN 2012200735790 U CN2012200735790 U CN 2012200735790U CN 201220073579 U CN201220073579 U CN 201220073579U CN 202441486 U CN202441486 U CN 202441486U
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model relates to an electricity-generation device and particularly relates to a biogas electricity-generation device. The biogas electricity-generation device consists of an underground inspection well (1), a gas extracting pump (2), a water sealed tank (3), an oxygen content detection alarm device (4), a water-gas separation device (5), a filter (6), a compressor (7), a cooler (8), a gas storage tank (9), a methane concentration detection alarm device (10), a pressure regulating valve (11), a flame damper (12) and an electricity generator (13) which are all connected by pipelines; biogas is extracted out of the underground inspection well (1) by the gas extracting pump (2); and biogas with higher concentration is stored in the gas storage tank (9) to generate electricity through post-processing. The biogas electricity-generation device has the following remarkable effects: the oxygen content detection alarm device (4) and the methane concentration detection alarm device (10) are arranged according to needs, and explosion caused by over-high biogas concentration is avoided.
Description
Technical field
The utility model relates to electricity generating device, especially is a kind of marsh gas power generation device and fuel-device.
Background technique
Along with expanding economy and process of urbanization, the output of domestic waste increases day by day.About 1.5 hundred million tons of China's domestic waste Annual output at present, and the annual growth rate growth of pressing 8%-10%.A large amount of domestic wastes has caused huge pressure and harm to people's living environment and urban development.Thereby the rubbish time in the sewerage of a specified duration will ferment and produce a large amount of biogas; The naughty child often throws into firecracker in the underground inspection shaft; Set off an explosion owing to containing a large amount of biogas in the underground inspection shaft, cause a lot of casualty accidents because of firecracker being thrown into underground inspection shaft every year.
Usually biogas is made up of 50% ~ 80% methane (CH4), hydrogen (H2), 1% ~ 3% carbon monoxide (CO), oxygen (O2)≤0.4% etc. less than 1%.This shows that biogas is a kind of inflammable gas with higher calorific value, compare that its capability of antidetonance is better with other combustion gas; Be a kind of good clean fuel, the biogas combustion power generation is a biogas utilization technology that occurs along with the continuous development of biogas comprehensive utilization, and it is used for generator with biogas; And composite generating set is housed; To produce electric energy and heat energy, be a kind of mode of the most effectively utilizing biogas, but security incident such as when methane content exceeds standard, will set off an explosion.The equipment that is used for marsh gas power generation at present mainly contains internal-combustion engine and steam turbine.The marsh gas power generation engineering itself provides clean energy resource, has not only solved the environmental problem in the biogas engineering, and because it produces a large amount of electric energy and heat energy, also meets the environmental protection concept of energy recycling, also will bring huge economic benefit simultaneously.Yet, how to utilize the biogas that produces in the sewerage still relatively poorer at present.
For example the patent No. 201020241947.9 discloses the marsh gas power generation device; Biogas is introduced into gas separator through pipeline, becomes methane and carbon dioxide through separator separates, and wherein the outlet pipe of carbon dioxide setting through the gas separator bottom surface is discharged; Methane then gets in the pressurization expansion box and pressurizes; Make steam turbine running work in the methane entering steam turbine through pressurization then, drive generator and generate electricity, be transferred to the user through transformer and use.
For this reason, the present inventor is to the defective of above-mentioned conventional art, through the effective solution of the special proposition of the application.
The model utility content
The purpose of the utility model is, a kind of marsh gas power generation device is dedicated to generation, and the power that in accordance with the law patents.Marsh gas power generation device according to the utility model can overcome above-mentioned deficiency of the prior art, and the content of its oxygen content and methane is measured, and good explosion precaution is arranged.
The purpose of the utility model realizes that through following technological scheme the marsh gas power generation device is made up of underground inspection shaft, extraction pump, water seal filling, oxygen content detection alarm device, gas and water separator, filter, compressor, cooler, gas holder, methane concentration detection alarm device, pressure regulator valve, flame damper, generator.The inlet end of biogas extraction pump links to each other with pipeline with underground inspection shaft; The outlet side links to each other with pipeline with the suction port that water seal is irritated; Its air outlet links to each other with pipeline with the suction port of gas and water separator, and the air outlet of gas and water separator links to each other with pipeline with the suction port of compressor, and compressor outlet links to each other with pipeline with the cooler suction port; The cooler air outlet links to each other with pipeline with the suction port of gas holder, and the air outlet of gas holder links to each other with pipeline with the suction port of motor.
Preferably, said filter places between moisture separator and the compressor, and the rubbish that is used to generate electricity dilutes, and removes the granule heavy seeds.
Preferably, on said water seal filling and the pipeline that moisture trap links to each other oxygen content detection alarm device is housed.
Preferably, methane concentration detection alarm device is installed on the said gas holder.
Preferably, on the air outlet of said gas holder and the pipeline that the suction port of motor links to each other pressure regulator valve, flame damper are installed successively.
Preferably, said gas holder is circular gas holder.
The utility model is compared with present used landfill marsh gas power generation unit; Because of biogas has obtained sufficient purification; So that the long service life of biogas generator group because of oxygen content detection alarm device and methane concentration detection alarm device are installed, makes the biogas of sending into the marsh gas power generation unit meet usage requirement; Prevent the generation of unsafe factors such as exploding effectively, make the utility model safe and reliable.
The utility model relate to a kind of firing unit on the other hand, it has adopted the electricity generating device of above-mentioned arbitrary scheme.
Preferably, on said water seal filling and the pipeline that moisture trap links to each other oxygen content detection alarm device is housed.
Preferably, methane concentration detection alarm device is installed on the said gas holder.
Description of drawings
To combine accompanying drawing that the specific embodiment of the utility model is described in detail below, wherein:
Shown in Figure 1 is work structuring schematic representation according to the marsh gas power generation device of the utility model.
Mark explanation among the figure: underground inspection shaft 1, extraction pump 2, water seal irritates 3, oxygen content detection alarm device 4, gas and water separator 5, filter 6, compressor 7, cooler 8, gas holder 9, methane concentration detection alarm device 10, pressure regulator valve 11, flame damper 12, generator 13.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model mode of execution is done further to describe in detail below.
Work structuring schematic representation according to the marsh gas power generation device of model utility.This electricity generating device comprises that underground inspection shaft 1, extraction pump 2, water seal irritate 3, oxygen content detection alarm device 4, gas and water separator 5, filter 6, compressor 7, cooler 8, gas holder 9, methane concentration detection alarm device 10, pressure regulator valve 11, flame damper 12, generator 13.Said underground inspection shaft 1 upper cover one deck plastic film can not be dispersed in the air biogas in the underground inspection shaft 1 from sewerage, can only from the well head pipeline of underground inspection shaft 1, flow out; The two will mate extraction pump 2 and compressor 7, and just the gas output of extraction pump 2 will equate with the air inflow of compressor 7, between underground inspection shaft 1 and pressure pump 2, a pressure gauge is installed in addition; This pressure gauge is provided with warning device, in use if degree of vacuum Gao Shiying stops to bleed, promptly turns off extraction pump 2; Also turn off compressor 7 simultaneously, filter 6 adopts strainers, when oxygen content detection alarm device 4 or methane concentration detection alarm device 10 send warning; Explain that the too high oxygen level in the biogas can set off an explosion, the content of methane concentration is also blasted in the explosion limit scope easily, at this moment should check sealing in the pipeline; Whether inspection has air to get into; Get into if any air, should regulate the content of methane, make it not in the explosion limit scope.
The utility model is in when work, and the biogas in the underground inspection shaft 1 is extracted out through extraction pump 2, and the pipeline of flowing through is laggard goes into water seal and irritate 3 and seal; Next get into gas and water separator 5; Biogas separates into methane, carbon dioxide and water through gas and water separator 5, and wherein, the outlet pipe that carbon dioxide and water are provided with through gas and water separator 5 bottom surfaces, waste pipe are discharged; Methane then gets into compressor 7 and pressurizes; Methane through pressurization gets into steam turbine running work then, drives generator and generates electricity, and is transferred to the user through transformer and uses.Can also regulate flexibly through the flow of control valve control biogas, generate electricity according to actual needs.
Although illustrated and described embodiments of the invention; For those of ordinary skill in the art; Be appreciated that under the situation that does not break away from principle of the present invention and spirit and can carry out multiple variation, modification, replacement and modification that scope of the present invention is accompanying claims and be equal to and limit to these embodiments.
Claims (7)
1. marsh gas power generation device; It is characterized in that forming by underground inspection shaft (1), extraction pump (2), water seal filling (3), oxygen content detection alarm device (4), gas and water separator (5), filter (6), compressor (7), cooler (8), gas holder (9), methane concentration detection alarm device (10), pressure regulator valve (11), flame damper (12), generator (13); The inlet end of biogas extraction pump (2) links to each other with pipeline with underground inspection shaft (1); The outlet side links to each other with pipeline with the suction port that (3) are irritated in water seal; Its air outlet links to each other with pipeline with the suction port of gas and water separator (5); The air outlet of gas and water separator (5) links to each other with pipeline with the suction port of compressor (7); Compressor (7) air outlet links to each other with pipeline with cooler (8) suction port, and cooler (8) air outlet links to each other with pipeline with the suction port of gas holder (9), and the air outlet of gas holder (9) links to each other with pipeline with the suction port of motor (13).
2. marsh gas power generation device as claimed in claim 1 is characterized in that: said water seal is irritated on (3) and the pipeline that moisture trap (5) links to each other oxygen content detection alarm device (4) is housed.
3. like the marsh gas power generation device of claim 1 or 2, it is characterized in that: methane concentration detection alarm device (10) is installed on the said gas holder (9).
4. marsh gas power generation device as claimed in claim 3 is characterized in that: methane concentration detection alarm device (10) is installed on the said gas holder (9).
5. like each marsh gas power generation device in claim 1 or 2 or 4, it is characterized in that: on the air outlet of said gas holder (9) and the pipeline that the suction port of motor (13) links to each other pressure regulator valve (11), flame damper (12) are installed successively.
6. marsh gas power generation device as claimed in claim 5 is characterized in that: on the air outlet of said gas holder (9) and the pipeline that the suction port of motor (13) links to each other pressure regulator valve (11), flame damper (12) are installed successively.
7. firing unit comprises caisson, it is characterized in that: also comprise like each marsh gas power generation device in the claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200735790U CN202441486U (en) | 2012-03-02 | 2012-03-02 | Biogas electricity-generation device and fuel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200735790U CN202441486U (en) | 2012-03-02 | 2012-03-02 | Biogas electricity-generation device and fuel device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202441486U true CN202441486U (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200735790U Expired - Fee Related CN202441486U (en) | 2012-03-02 | 2012-03-02 | Biogas electricity-generation device and fuel device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202441486U (en) |
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2012
- 2012-03-02 CN CN2012200735790U patent/CN202441486U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20150302 |
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| EXPY | Termination of patent right or utility model |