CN101165407A - Garbage landfill gas concentration control system - Google Patents
Garbage landfill gas concentration control system Download PDFInfo
- Publication number
- CN101165407A CN101165407A CNA2006101228148A CN200610122814A CN101165407A CN 101165407 A CN101165407 A CN 101165407A CN A2006101228148 A CNA2006101228148 A CN A2006101228148A CN 200610122814 A CN200610122814 A CN 200610122814A CN 101165407 A CN101165407 A CN 101165407A
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- Prior art keywords
- gas
- magnetic valve
- pipeline
- gas concentration
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010813 municipal solid waste Substances 0.000 title claims description 25
- 239000007789 gas Substances 0.000 claims abstract description 77
- 239000002737 fuel gas Substances 0.000 claims abstract description 21
- 238000005070 sampling Methods 0.000 claims abstract description 16
- 230000001172 regenerating effect Effects 0.000 claims abstract description 14
- 239000002918 waste heat Substances 0.000 claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 18
- 229910002092 carbon dioxide Inorganic materials 0.000 description 9
- 239000001569 carbon dioxide Substances 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
This invention relates to a landfill gas concentration control system. It includes: an absorbing device which has at least two air inlet pipelines. One air pipeline connects to a gas mixer. One air inlet pipeline is communicated with the absorbing device. The other air inlet pipeline is communicates to the said air pipeline. Each air inlet pipeline is arranged with magnetic valve; a regenerating device which connects to the absorbing device; a waste heat boiler which smoke gas is provided by fuel gas engine. It connects to two steam pipelines. One of them is air discharging pipeline. The other is arranged with magnetic valve; a gas concentration detecting and controlling device, which includes sampling device, displaying device and controlling device. The controlling device electric connects to the said magnetic valves and controls their opening or closing. It keeps the effective gas concentration of the landfill gas steady. Thus, it increases the working efficiency of fuel gas engine set.
Description
Technical field
The present invention relates to a kind of garbage loading embeading gas treatment system, be meant a kind of garbage landfill gas concentration control system that the fuel gas generation unit is used that offers especially.
Background technology
At present, well-known, rubbish landfill gas can be used as a kind of fuel applications in the fuel gas generation unit, and it utilizes in the rubbish landfill gas and realizes this purpose such as the methane composition; But, because the gas ingredients of rubbish landfill gas is widely different, wherein also include carbon dioxide etc., so can be in actual application along with landfill and the passing of gas production time, gas ingredients changes, for example gas concentration lwevel can improve gradually, thereby can be because of the reduction of available gas concentration such as methane, therefore cause the available gas content instability of rubbish landfill gas and influence fuel gas generation unit mechanical efficiency, so be difficult to satisfy the same fuel gas generation unit needs long-term and stable to source of the gas.
Summary of the invention
The present invention's main purpose is to provide a kind of rubbish landfill gas concentration control system, and it can allow available gas stable content in the rubbish landfill gas, thereby improves the mechanical efficiency of fuel gas generation unit.
For realizing above-mentioned purpose, the present invention takes following technical scheme:
A kind of garbage landfill gas concentration control system, it comprises:
One absorption plant, this absorption plant connects a gas mixer by a gas pipeline;
At least have two admission lines, wherein an admission line is communicated with absorption plant, and another admission line is communicated with the above-mentioned gas pipeline, and each bar admission line is provided with magnetic valve;
One regenerating unit, this regenerating unit links to each other with absorption plant;
One provides the waste heat boiler of flue gas by the fuel gas generation unit, and this waste heat boiler is connected with two steam pipelines, and wherein a steam pipeline is communicated with regenerating unit, and another steam pipeline is a discharge duct, and each bar steam pipeline is provided with magnetic valve; And
One gas concentration detects and control device, it comprises sampling apparatus, display unit and control device, and this display unit is connected with sampling apparatus, and this control device is connected with sampling apparatus, this control device is electrically connected with above-mentioned each magnetic valve, in order to the unlatching of controlling each magnetic valve or close; Described sampling apparatus communicates with gas-liquid separation device, and this gas-liquid separation device is communicated with the fuel gas generation unit.
Be provided with a gas storage device between described gas-liquid separation device and the fuel gas generation unit.The front and back of above-mentioned each magnetic valve respectively are provided with a stop valve.
The present invention's beneficial effect is to detect and control device adjusts the unlatching of above-mentioned each magnetic valve or cuts out by gas concentration, so that available gas content keeps stable in the rubbish landfill gas, thereby improves the mechanical efficiency of fuel gas generation unit.
Description of drawings
Fig. 1 is the structure connection diagram of garbage landfill gas concentration control system of the present invention;
Fig. 2 is that gas concentration of the present invention detects and the control device structural representation.
10, absorption plant 11, gas pipeline 20, gas mixer 30,31, admission line 32,32 ', magnetic valve 40, regenerating unit 50, fuel gas generation unit 60, waste heat boiler 61,62, steam pipeline 63,63 ', magnetic valve 70, gas concentration detects and control device 71, sampling apparatus 72, display unit 73, control device 74, data wire 80, gas-liquid separation device 90, gas storage device
The specific embodiment
The present invention is further described below in conjunction with accompanying drawing and the specific embodiment.
As shown in Figure 1 and Figure 2, a kind of garbage landfill gas concentration control system, it comprises:
One absorption plant (10), this absorption plant (10) connects a gas mixer (20) by a gas pipeline (11).
At least have two admission lines (30,31), wherein an admission line (30) road is communicated with absorption plant (10), another admission line (31) is communicated with above-mentioned gas pipeline (11), and each bar admission line (30,31) is provided with magnetic valve (32,32 '), and these magnetic valves (32,32 ') are in order to control the flow of the garbage loading embeading gas in each admission line.
One regenerating unit (40), this regenerating unit (40) links to each other with absorption plant (10), so that the regenerated liquid that absorption liquid after absorption plant (40) processing and regenerating unit (40) produce circulates mutually in order to recycle.
One provides the waste heat boiler (60) of flue gas by fuel gas generation unit (50), this waste heat boiler (60) is connected with two steam pipelines (61,62), wherein a steam pipeline (61) is communicated with regenerating unit (50), another steam pipe (62) road is a discharge duct, and each bar steam pipeline (61,62) is provided with magnetic valve (63,63 '); Those magnetic valves (63,63 ') are in order to the flow of steam in the control steam pipeline (61,62).
One gas concentration detects and control device (70), can be handled by the software program of setting, and this software program is not limit, and does not add at this and gives detailed description; It comprises sampling apparatus (71), display unit (72) and control device (73), this display unit (72) is connected with sampling apparatus (71), this control device (73) is connected with sampling apparatus (71), this control device (73) is electrically connected with above-mentioned each magnetic valve (32,32 ', 63,63 ') by data wire (74), in order to the unlatching of controlling each magnetic valve (32,32 ', 63,63 ') or close; Described sampling apparatus (73) communicates with gas-liquid separation device (80), and this gas-liquid separation device (80) is communicated with fuel gas generation unit (50).Be provided with a gas storage device (90) between described gas-liquid separation device (80) and the fuel gas generation unit (60).The forward and backward stop valve A that is provided with of above-mentioned each magnetic valve (32,32 ', 63,63 ').
The present invention's operation principle is: garbage loading embeading gas enters from admission line (30,31), wherein, part rubbish landfill gas enters into absorption plant (10) along admission line (30), in order to handle the carbon dioxide in the gas, can reduce the content of carbon dioxide effectively, handle gas later and enter in the gas mixer (20) through gas pipeline (11) again; Another part rubbish landfill gas directly enters in the gas pipeline (11) by admission line (31), in order to adjust the content of carbon dioxide in gas mixer (20), these admission lines (30,31) are by the flow that enters of magnetic valve (32,32 ') control rubbish landfill gas; Again the mist in the gas mixer (20) is detected the content of carbon dioxide or other gases so that adjust through gas concentration and control device (70); And then offer fuel gas generation unit (60) work through gas-liquid separator (80), gas storage device (90).On the other hand, fuel gas generation unit (60) is sent its flue gas into waste heat boiler (60), produce corresponding steam by waste heat boiler (60), wherein a part of steam is delivered in the regenerating unit (50) through steam pipeline (61), to promote that regenerated liquid produces carbon dioxide in the regenerating unit (40), another part steam also can be discharged by another steam pipeline (62), and wherein each steam pipeline (61,62) is controlled the wherein flow of steam by magnetic valve (63,63 '); The present invention controls the switch work of (32,32 ', 63,63 ') of each magnetic valve by gas concentration detection and control device (70), it carries out gas sampling by its sampling apparatus (71), provide a signal to control device (73) again, control the above-mentioned magnetic valve aperture of (32,32 ', 63,63 ') by this control device (73), for example when gas concentration lwevel is too high, be that magnetic valve (32,63) aperture reduces, and magnetic valve (32 ', 63 ') aperture promotes, and the carbon dioxide content that enters in the gas mixer (20) is reduced.Otherwise, spend when low when dense carbon dioxide, promptly magnetic valve (32,63) aperture reduces, and magnetic valve (32 ', 63 ') aperture promotes, and the carbon dioxide content that enters in the gas mixer (20) is promoted.
Therefore, the present invention detects and control device adjusts the unlatching of above-mentioned each magnetic valve or cuts out by gas concentration, so that available gas content keeps stable in the rubbish landfill gas, thereby improves the mechanical efficiency of fuel gas generation unit.
The above, it only is garbage landfill gas concentration control system preferred embodiment of the present invention, be not that technical scope of the present invention is imposed any restrictions, so every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any trickle modification, equivalent variations and modification that above embodiment did.
Claims (3)
1. garbage landfill gas concentration control system is characterized in that: comprising:
One absorption plant, this absorption plant connects a gas mixer by a gas pipeline;
At least have two admission lines, wherein an admission line is communicated with absorption plant, another admission line is communicated with the above-mentioned gas pipeline, and each bar admission line is provided with magnetic valve, and those magnetic valves are in order to the flow of rubbish landfill gas in the control admission line;
One regenerating unit, this regenerating unit links to each other with absorption plant;
One provides the waste heat boiler of flue gas by the fuel gas generation unit, this waste heat boiler is connected with two steam pipelines, wherein a steam pipeline is communicated with regenerating unit, another steam pipeline is a discharge duct, and each bar steam pipeline is provided with magnetic valve, and those magnetic valves are in order to the flow of steam in the control steam pipeline; And
One gas concentration detects and control device, it comprises sampling apparatus, display unit and control device, and this display unit is connected with sampling apparatus, and this control device is connected with sampling apparatus, this control device is electrically connected with above-mentioned each magnetic valve, in order to the unlatching of controlling each magnetic valve or close; Described sampling apparatus communicates with gas-liquid separation device, and this gas-liquid separation device is communicated with the fuel gas generation unit.
2. according to the described garbage landfill gas concentration control system of claim 1, it is characterized in that: be provided with a gas storage device between described gas-liquid separation device and the fuel gas generation unit.
3. according to the described garbage landfill gas concentration control system of claim 1, it is characterized in that: the front and back of above-mentioned each magnetic valve respectively are provided with a stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101228148A CN100547300C (en) | 2006-10-18 | 2006-10-18 | Garbage landfill gas concentration control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101228148A CN100547300C (en) | 2006-10-18 | 2006-10-18 | Garbage landfill gas concentration control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101165407A true CN101165407A (en) | 2008-04-23 |
| CN100547300C CN100547300C (en) | 2009-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101228148A Expired - Fee Related CN100547300C (en) | 2006-10-18 | 2006-10-18 | Garbage landfill gas concentration control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN100547300C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550846B (en) * | 2009-05-07 | 2012-05-30 | 华北电力大学 | A chemical looping combustion power generation process and system using landfill gas |
| CN111495920A (en) * | 2020-04-29 | 2020-08-07 | 中国科学院武汉岩土力学研究所 | Landfill ventilation system gas injection and extraction regulation and control method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252333B (en) * | 2011-05-05 | 2012-12-26 | 福建省丰泉环保控股有限公司 | Method and treatment system for reducing nitrogen oxides by using incineration of refuse landfill gas |
-
2006
- 2006-10-18 CN CNB2006101228148A patent/CN100547300C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550846B (en) * | 2009-05-07 | 2012-05-30 | 华北电力大学 | A chemical looping combustion power generation process and system using landfill gas |
| CN111495920A (en) * | 2020-04-29 | 2020-08-07 | 中国科学院武汉岩土力学研究所 | Landfill ventilation system gas injection and extraction regulation and control method |
| CN111495920B (en) * | 2020-04-29 | 2022-04-08 | 中国科学院武汉岩土力学研究所 | Landfill ventilation system gas injection and extraction regulation and control method |
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| Publication number | Publication date |
|---|---|
| CN100547300C (en) | 2009-10-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CAMDA NEW ENERGY EQUIPMENT CO., LTD. Free format text: FORMER NAME: DONGGUAN CAMDA GENERATOR WORK CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 523400 Tong Yan Industrial Zone, Liaobu Town, Dongguan, Guangdong Patentee after: CAMDA NEW ENERGY EQUIPMENT Co.,Ltd. Address before: 523400, Dongguan City, Guangdong province Liaobu Tong Yan Industrial Zone Dongguan Kangda Electrical and Mechanical Engineering Co., Ltd. Patentee before: Dongguan Camda Generator Work Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 |