CN203303812U - Landfill gas purification system - Google Patents
Landfill gas purification system Download PDFInfo
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- CN203303812U CN203303812U CN2013202512749U CN201320251274U CN203303812U CN 203303812 U CN203303812 U CN 203303812U CN 2013202512749 U CN2013202512749 U CN 2013202512749U CN 201320251274 U CN201320251274 U CN 201320251274U CN 203303812 U CN203303812 U CN 203303812U
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- 238000000746 purification Methods 0.000 title abstract description 15
- 238000004140 cleaning Methods 0.000 claims 2
- 239000000945 filler Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 238000006297 dehydration reaction Methods 0.000 abstract description 11
- 238000006477 desulfuration reaction Methods 0.000 abstract description 11
- 230000018044 dehydration Effects 0.000 abstract description 10
- 230000023556 desulfurization Effects 0.000 abstract description 10
- 238000001035 drying Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000012856 packing Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 50
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000010791 domestic waste Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 208000028659 discharge Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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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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- Processing Of Solid Wastes (AREA)
Abstract
本实用新型公开了一种填埋气净化系统，包括依次连接的冷凝水分离器、加压风机、缓冲罐、脱水装置、脱硫装置、干燥器、储气罐及稳压罐，所述冷凝水分离器的入口连接集气主管，所述冷凝水分离器与加压风机之间的管道上连接有计量阀，所述干燥器内部设置有干燥填料。本实用新型可以将抽取垃圾填埋中的填埋气进行净化，其中净化过程有冷凝水分离、脱水、脱硫及干燥，冷凝水分离器去除填埋气中的水份，有效防止加压风机腐蚀，实现填埋气资源化利用。
The utility model discloses a landfill gas purification system, which comprises a condensed water separator, a pressurized fan, a buffer tank, a dehydration device, a desulfurization device, a dryer, a gas storage tank and a pressure stabilizing tank connected in sequence. The inlet of the separator is connected to the gas collecting main pipe, the pipeline between the condensed water separator and the pressurized fan is connected with a metering valve, and the inside of the dryer is provided with dry packing. The utility model can purify the landfill gas in the waste landfill, wherein the purification process includes condensed water separation, dehydration, desulfurization and drying, and the condensed water separator removes the water in the landfilled gas, effectively preventing the pressurized fan from corroding , to realize landfill gas resource utilization.
Description
技术领域 technical field
本实用新型涉及垃圾填埋场的填埋气净化技术，具体涉及一种填埋气净化系统。 The utility model relates to a landfill gas purification technology of a garbage landfill site, in particular to a landfill gas purification system.
背景技术 Background technique
随着近年来经济快速发展，城市生活垃圾量迅猛增加，卫生填埋处理生活垃圾是目前最普遍采用的处理方式，生活垃圾经卫生填埋后，会产生以甲烷及二氧化碳为主要成份的填埋气。若不进行适当的收集排放处理，填埋气体会在填埋场内积累、向外泄漏、扩散或在土壤中迁移，容易引发垃圾堆体崩塌并对周围环境和人类健康造成危害和不良影响。当甲烷达到一定浓度时，会引起爆炸和火灾；还可能引起地下水硬度升高；填埋气中的甲烷向大气排放和扩散会引起填埋场及周围植物因根区缺养而死亡和加剧全球气候变暖；填埋气中的微量有毒气体对人类的主要器官造成损害等。由于填埋气中甲烷的含量一般为50％左右，其热值约为天然气的一半，与城市煤气相当，填埋气是一种可以回收利用的资源。但垃圾填埋场一般是采用对空排放以消除安全隐患，这样除了浪费资源外，更对环境及民众健康造成不良影响。随着能源和资源短缺问题日益严重，人们越来越重视垃圾填埋气这一可再生资源，需要将垃圾填埋中的填埋气抽取，垃圾填埋气净化后就可以得到有效的利用。 With the rapid economic development in recent years, the amount of urban domestic waste has increased rapidly. Sanitary landfill disposal of domestic waste is currently the most commonly used treatment method. After sanitary landfill, domestic waste will produce landfill with methane and carbon dioxide as the main components. gas. If proper collection and discharge treatment is not carried out, landfill gas will accumulate in the landfill, leak outward, diffuse or migrate in the soil, which will easily cause the collapse of the garbage dump and cause harm and adverse effects to the surrounding environment and human health. When methane reaches a certain concentration, it will cause explosions and fires; it may also cause the hardness of groundwater to increase; the emission and diffusion of methane in landfill gas to the atmosphere will cause the death of landfill and surrounding plants due to the lack of nutrition in the root zone and aggravate global pollution. Climate warming; trace toxic gases in landfill gas cause damage to major human organs, etc. Since the content of methane in landfill gas is generally about 50%, its calorific value is about half that of natural gas, which is equivalent to that of city gas. Landfill gas is a resource that can be recycled. However, landfills generally use air discharge to eliminate potential safety hazards, which not only wastes resources, but also has adverse effects on the environment and public health. With the increasing shortage of energy and resources, people pay more and more attention to landfill gas, a renewable resource. It is necessary to extract the landfill gas from the landfill, and the landfill gas can be effectively used after purification.
实用新型内容 Utility model content
本实用新型的目的在于提供一种填埋气净化系统，可以将抽取垃圾填埋中的填埋气进行净化，其中净化过程有冷凝水分离、脱水、脱硫及干燥，冷凝水分离器去除填埋气中的水份，有效防止加压风机腐蚀，实现填埋气资源化利用。 The purpose of this utility model is to provide a landfill gas purification system, which can purify the landfill gas extracted from landfill, wherein the purification process includes condensate separation, dehydration, desulfurization and drying, and the condensate separator removes the landfill The moisture in the gas can effectively prevent the corrosion of the pressurized fan and realize the resource utilization of landfill gas.
本实用新型的目的通过下述技术方案实现：一种填埋气净化系统，包括依次连接的冷凝水分离器、加压风机、缓冲罐、脱水装置、脱硫装置、干燥器、储气罐及稳压罐，所述冷凝水分离器的入口连接集气主管，所述冷凝水分离器与加压风机之间的管道上连接有计量阀，所述干燥器内部设置有干燥填料。 The purpose of this utility model is achieved through the following technical solutions: a landfill gas purification system, comprising sequentially connected condensed water separators, pressurized fans, buffer tanks, dehydration devices, desulfurization devices, dryers, gas storage tanks and stabilizers A pressure tank, the inlet of the condensed water separator is connected to the gas collecting main pipe, the pipeline between the condensed water separator and the pressurized fan is connected with a metering valve, and the inside of the drier is provided with dry packing.
所述稳压罐的出口连接有安全阀。 The outlet of the surge tank is connected with a safety valve.
本实用新型的工作原理：垃圾经卫生填埋后，会产生以甲烷及二氧化碳为主要成份的填埋气。一种填埋气净化系统用于已经封顶的垃圾填埋场或已经完工的填埋区域，也可用于仍在运行的填埋场，将填埋气抽出，收集的填埋气通过净化后用于发电，产生电力利用，其中净化过程有冷凝水分离、脱水、脱硫、干燥等工序。冷凝水分离器的入口连接集气主管，收集的填埋气进入冷凝水分离器，冷凝水分离器去除填埋气中的水份，并进一步的保护避免由输送的填埋气碰撞时造成后续处理装置金属表面的成份剥落、冲击，防止填埋气夹带液体腐蚀加压风机。然后气体依次进入缓冲罐、脱水装置、脱硫装置、干燥器、储气罐及稳压罐，气体达到回收利用标准后，进行资源利用。 The working principle of the utility model: after the garbage is sanitary landfilled, landfill gas with methane and carbon dioxide as main components will be produced. A landfill gas purification system is used in a landfill that has been capped or in a landfill area that has been completed, and can also be used in a landfill that is still in operation. The landfill gas is extracted, and the collected landfill gas is purified and used It is used for power generation and electricity utilization, and the purification process includes condensed water separation, dehydration, desulfurization, drying and other processes. The inlet of the condensate separator is connected to the gas collection main pipe, and the collected landfill gas enters the condensate separator. The condensate separator removes the moisture in the landfill gas, and further protects against subsequent damage caused by the collision of the transported landfill gas. The components of the metal surface of the treatment device are peeled off and impacted, and the liquid entrained in the landfill gas is prevented from corroding the pressurized fan. Then the gas enters the buffer tank, dehydration device, desulfurization device, dryer, gas storage tank and surge tank in sequence. After the gas reaches the recycling standard, it will be used for resource utilization.
综上所述，本实用新型的有益效果是：可以将抽取垃圾填埋中的填埋气进行净化，防止填埋气在填埋垃圾中或填埋场发生爆炸，其中净化过程有冷凝水分离、脱水、脱硫及干燥，冷凝水分离器去除填埋气中的水份，有效防止加压风机腐蚀，净化后气体可以在发电机组中转化为电力或作为清洁能源燃烧，实现填埋气资源化利用。 To sum up, the beneficial effect of the utility model is that the landfill gas extracted from the landfill can be purified to prevent the landfill gas from exploding in the landfill waste or at the landfill site, wherein the purification process has condensed water separation , dehydration, desulfurization and drying, the condensed water separator removes the water in the landfill gas, effectively prevents the corrosion of the pressurized fan, and the purified gas can be converted into electricity in the generator set or burned as a clean energy to realize the resource utilization of the landfill gas use.
附图说明 Description of drawings
图1为本实用新型的结构示意图。 Fig. 1 is the structural representation of the utility model.
附图中标记的名称：1—集气主管；2—冷凝水分离器；3—计量阀；4—加压风机；5—缓冲罐；6—脱水装置；7—脱硫装置；8—干燥器；9—储气罐；10—稳压罐；11—安全阀；12—干燥填料。 Names marked in the drawings: 1—gas gathering main pipe; 2—condensed water separator; 3—metering valve; 4—pressurized fan; 5—buffer tank; 6—dehydration device; 7—desulfurization device; 8—dryer ; 9—air storage tank; 10—stabilizing tank; 11—safety valve; 12—dry packing. the
具体实施方式 Detailed ways
下面结合实施例及附图，对本实用新型作进一步的详细说明，但本实用新型的实施方式不仅限于此。 The utility model will be further described in detail below in conjunction with the embodiments and accompanying drawings, but the implementation of the utility model is not limited thereto.
实施例：如图1所示，本实用新型包括依次连接的冷凝水分离器2、加压风机4、缓冲罐5、脱水装置6、脱硫装置7、干燥器8、储气罐9及稳压罐10，所述冷凝水分离器2的入口连接集气主管1，所述冷凝水分离器2与加压风机4之间的管道上连接有计量阀3，所述干燥器8内部设置有干燥填料12。
Embodiment: As shown in Fig. 1, the utility model comprises condensed
所述稳压罐10的出口连接有安全阀11。
The outlet of the
本实用新型工作运行时：一种填埋气净化系统用于已经封顶的垃圾填埋场或已经完工的填埋区域，也可用于仍在运行的填埋场，将填埋气抽出，收集的填埋气通过净化后用于发电，产生电力利用，其中净化过程有冷凝水分离、脱水、脱硫、干燥等工序。冷凝水分离器2的入口连接集气主管1，收集的填埋气进入冷凝水分离器2，冷凝水分离器2去除填埋气中的水份，并进一步的保护避免由输送的填埋气碰撞时造成后续处理装置金属表面的成份剥落、冲击，防止填埋气夹带液体腐蚀加压风机4。然后气体依次进入缓冲罐5、脱水装置6、脱硫装置7、干燥器8、储气罐9及稳压罐10，气体达到回收利用标准后，进行资源利用。
When the utility model is in operation: a landfill gas purification system is used in a landfill that has been capped or in a landfill area that has been completed, and can also be used in a landfill that is still in operation to extract the landfill gas and collect it. The landfill gas is used for power generation after purification, and the generation of electricity is used. The purification process includes condensate separation, dehydration, desulfurization, drying and other processes. The inlet of the condensed
如上所述，便可较好的实现本实用新型。 As mentioned above, the utility model can be better realized.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111575078A (en) * | 2020-06-05 | 2020-08-25 | 广州兴丰能源科技有限公司 | Landfill gas pressure boost & VPSA decarbonization unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111575078A (en) * | 2020-06-05 | 2020-08-25 | 广州兴丰能源科技有限公司 | Landfill gas pressure boost & VPSA decarbonization unit |
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Granted publication date: 20131127 Termination date: 20140510 |