CN211328853U - Composting process gas filtration system - Google Patents
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- 238000009264 composting Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000001914 filtration Methods 0.000 title claims abstract description 14
- 239000002361 compost Substances 0.000 claims description 10
- 239000007789 gas Substances 0.000 abstract description 64
- 239000005431 greenhouse gas Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 235000019645 odor Nutrition 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 230000001580 bacterial effect Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000002054 inoculum Substances 0.000 description 2
- 230000004060 metabolic process Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
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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
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
本实用新型公开了一种堆肥过程气体过滤系统，其包括堆肥罐，堆肥罐的底部安装有第一支撑板，第一支撑板上开设有若干通孔，第一支撑板的下方设置有第一鼓风机；堆肥罐的顶部通过管道连通污染气体收集罐的底部，污染气体收集罐的顶部通过管道连通过滤池的底部，过滤池内从下至上依次设置有第一过滤层、第二过滤层和第三过滤层；过滤池的顶部通过管道连通尾气收集池的底部。本过滤系统具有结构简单、填料成本低、操作方便，对堆肥过程中排放的温室气体和恶臭气体去除效率高等优点，在规模化堆肥生产中具有广阔的应用前景和较高的应用价值。
The utility model discloses a gas filtering system in a composting process, which comprises a composting tank, a first supporting plate is installed on the bottom of the composting tank, a plurality of through holes are opened on the first supporting plate, and a first supporting plate is arranged below the first supporting plate A blower; the top of the composting tank is connected to the bottom of the polluted gas collection tank through a pipeline, and the top of the polluted gas collection tank is connected to the bottom of the filter tank through a pipeline, and the filter tank is sequentially provided with a first filter layer, a second filter layer and a first filter layer from bottom to top. Three filter layers; the top of the filter tank is connected to the bottom of the exhaust gas collection tank through a pipeline. The filter system has the advantages of simple structure, low filling cost, convenient operation, high removal efficiency of greenhouse gases and malodorous gases emitted in the composting process, and has broad application prospects and high application value in large-scale composting production.
Description
技术领域technical field
本实用新型涉及堆肥技术领域，具体涉及一种堆肥过程气体过滤系统。The utility model relates to the technical field of composting, in particular to a gas filtering system in a composting process.
背景技术Background technique
堆肥技术因集废弃物处理和有机肥生产于一体，目前已成我国禽畜粪便资源化利用的主要途径之一，并得到了广泛规模化应用。但是，该技术在微生物分解有机物过程中，会释放出大量CH4、N2O等温室气体与NH3、H2S、甲硫醇等恶臭气体，对环境带来了严重污染。因此，如何在堆肥化过程中减少温室气体和恶臭气体的排放对实现堆肥清洁化生产意义重大。Composting technology, which integrates waste treatment and organic fertilizer production, has become one of the main ways of resource utilization of livestock manure in my country, and has been widely used on a large scale. However, in the process of microbial decomposition of organic matter, this technology will release a large amount of greenhouse gases such as CH 4 and N 2 O and odorous gases such as NH 3 , H 2 S, and methyl mercaptan, which brings serious pollution to the environment. Therefore, how to reduce the emission of greenhouse gases and malodorous gases in the composting process is of great significance to realize the clean production of composting.
大量研究表明，生物滤池是一种去除堆肥化过程中污染气体的有效方法，具有操作方便、运行成本低、去除效率高等优点。但目前国内堆肥过程中污染气体去除滤池主要功能为除臭，而对CH4、N2O等温室气体的去除滤池还很少，更未见能综合去除温室气体和恶臭气体的相关装置。A large number of studies have shown that biological filter is an effective method to remove polluted gas in the composting process, and has the advantages of convenient operation, low operating cost and high removal efficiency. However, at present, the main function of the pollutant gas removal filter in the domestic composting process is deodorization, and there are few removal filters for greenhouse gases such as CH 4 , N 2 O, etc., and there is no related device that can comprehensively remove greenhouse gases and malodorous gases. .
实用新型内容Utility model content
针对现有技术的上述不足，本实用新型提供了一种能综合去除堆肥过程中温室气体和臭气的堆肥过程气体过滤系统。In view of the above-mentioned deficiencies of the prior art, the utility model provides a composting process gas filtering system capable of comprehensively removing greenhouse gases and odors in the composting process.
为达到上述发明目的，本实用新型所采用的技术方案为：In order to achieve the above-mentioned purpose of the invention, the technical scheme adopted by the present utility model is:
提供一种堆肥过程气体过滤系统，其包括堆肥罐，堆肥罐的底部安装有第一支撑板，第一支撑板上开设有若干通孔，第一支撑板的下方设置有第一鼓风机；堆肥罐的顶部通过管道连通污染气体收集罐的底部，污染气体收集罐的顶部通过管道连通过滤池的底部，过滤池内从下至上依次设置有第一过滤层、第二过滤层和第三过滤层；过滤池的顶部通过管道连通尾气收集池的底部。A composting process gas filtering system is provided, which comprises a composting tank, a first support plate is installed at the bottom of the composting tank, a plurality of through holes are opened on the first support plate, and a first blower is arranged below the first support plate; The top of the polluted gas collection tank is connected to the bottom of the polluted gas collection tank through a pipeline, and the top of the polluted gas collection tank is connected to the bottom of the filter tank through a pipeline, and the filter tank is sequentially provided with a first filter layer, a second filter layer and a third filter layer from bottom to top; The top of the filter tank is connected to the bottom of the exhaust gas collection tank through a pipeline.
进一步地，第一过滤层设置在过滤池底部安装的第二支撑板上，第二支撑板上开设有若干通孔。Further, the first filter layer is arranged on a second support plate installed at the bottom of the filter tank, and the second support plate is provided with a plurality of through holes.
进一步地，第一过滤层、第二过滤层和第三过滤层之间通过卵石层隔开。Further, the first filter layer, the second filter layer and the third filter layer are separated by a pebble layer.
进一步地，堆肥罐的底部设置有第一排料口和第二排料口，第一支撑板设置在第一排料口和第二排料口之间。Further, the bottom of the composting tank is provided with a first discharge port and a second discharge port, and the first support plate is provided between the first discharge port and the second discharge port.
进一步地，过滤池的底部设置有第二鼓风机。Further, the bottom of the filter tank is provided with a second blower.
进一步地，污染气体收集罐与过滤池之间的管道上安装有气体流量计。Further, a gas flow meter is installed on the pipeline between the polluted gas collection tank and the filter tank.
本实用新型的有益效果为：本方案结合堆肥过程中各类污染气体的排放规律及其物理和生物的去除原理，提出了一套能综合去除堆肥过程中温室气体和臭气的生物滤池系统，能使污染气体去除率达到95％以上，可广泛应用于各种具有污染气体集中收集的堆肥工艺。原料在堆肥罐内进行发酵，产生的废气排放进入污染气体收集罐，污染气体收集罐内装有自来水，吸收废气中的可融水污染气体，然后进入过滤池。The beneficial effects of the utility model are as follows: this scheme proposes a biological filter system that can comprehensively remove greenhouse gases and odors in the composting process by combining the emission laws of various pollutant gases and the physical and biological removal principles in the composting process. It can make the removal rate of polluted gas reach more than 95%, and can be widely used in various composting processes with centralized collection of polluted gas. The raw materials are fermented in the composting tank, and the generated exhaust gas is discharged into the polluted gas collection tank. The polluted gas collection tank is filled with tap water, which absorbs the meltable water polluted gas in the exhaust gas, and then enters the filter tank.
过滤池内的第一过滤层可采用腐熟堆肥+沙土(按重量比6:4混合)填料层(高度为100cm)，通过吸附和好氧生物代谢的联合作用，去除NH3和其他臭气；第二过滤层可采用腐熟堆肥+铜绿假单胞菌+N2O还原菌剂(两种菌剂的接种量均为体积比10％)填料层(高度为30cm)，在微好氧和厌氧环境下，在N2O还原菌的作用下，去除废气中的温室气体成分N2O，进一步去除NH3；第三过滤层可采用腐熟堆肥+木屑+小麦苍白杆菌菌剂(接种量为体积为10％)填料层(高度为50cm)，在好氧环境中，通过甲烷氧化菌去除废气中的温室气体成分CH4，最后废气中少量的污染气体被尾气收集池内的5％硼酸溶液吸收。The first filter layer in the filter tank can use decomposed compost + sand (mixed by weight ratio 6:4) packing layer (height is 100cm), through the combined action of adsorption and aerobic biological metabolism, to remove NH 3 and other odors; The second filter layer can use decomposed compost + Pseudomonas aeruginosa + N 2 O reducing bacterial agent (the inoculum of both bacterial agents is 10% by volume) packing layer (height is 30cm), in micro-aerobic and anaerobic conditions Under the environment, under the action of N 2 O reducing bacteria, the greenhouse gas component N 2 O in the exhaust gas is removed, and NH 3 is further removed; the third filter layer can use decomposed compost + wood chips + Bacillus tritici bacteria agent (the inoculation amount is
堆肥的原料堆积在第一支撑板上，第一排料口用于排放渗滤液，第二排料口用于排放堆肥原料，第二支撑板用于支撑过滤池内的过滤层；第一鼓风机利于废气的驱动流通，第二鼓风机供给过滤池空气，气体流量计用于记录废气排放的流量。本过滤系统具有结构简单、填料成本低、操作方便，对堆肥过程中排放的温室气体和恶臭气体去除效率高等优点，在规模化堆肥生产中具有广阔的应用前景和较高的应用价值。The raw materials for composting are stacked on the first support plate, the first discharge port is used to discharge leachate, the second discharge port is used to discharge compost raw materials, and the second support plate is used to support the filter layer in the filter tank; The driving flow of the exhaust gas, the second blower supplies the air to the filter tank, and the gas flow meter is used to record the flow rate of the exhaust gas discharge. The filter system has the advantages of simple structure, low filling cost, convenient operation, high removal efficiency of greenhouse gases and malodorous gases emitted in the composting process, and has broad application prospects and high application value in large-scale composting production.
附图说明Description of drawings
图1为堆肥过程气体过滤系统的结构示意图。Figure 1 is a schematic diagram of the structure of a gas filtration system in a composting process.
其中，1、第一鼓风机，2、第一支撑板，3、第一排料口，4、第二排料口，5、堆肥罐，6、尾气收集池，7、尾气收集罐，8、气体流量计，9、第二过滤层，10、第一过滤层，11、污染气体收集罐，12、第二支撑板，13、过滤池，14、卵石层，15、第三过滤层。Among them, 1, the first blower, 2, the first support plate, 3, the first discharge port, 4, the second discharge port, 5, the compost tank, 6, the tail gas collection tank, 7, the tail gas collection tank, 8, Gas flow meter, 9, second filter layer, 10, first filter layer, 11, polluted gas collection tank, 12, second support plate, 13, filter tank, 14, pebble layer, 15, third filter layer.
具体实施方式Detailed ways
下面对本实用新型的具体实施方式进行描述，以便于本技术领域的技术人员理解本实用新型，但应该清楚，本实用新型不限于具体实施方式的范围，对本技术领域的普通技术人员来讲，只要各种变化在所附的权利要求限定和确定的本实用新型的精神和范围内，这些变化是显而易见的，一切利用本实用新型构思的实用新型创造均在保护之列。The specific embodiments of the present invention are described below to facilitate those skilled in the art to understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. Various changes are within the spirit and scope of the present utility model defined and determined by the appended claims, and these changes are obvious, and all utility model creations utilizing the concept of the present utility model are included in the protection list.
如图1所示，堆肥过程气体过滤系统包括堆肥罐5，堆肥罐5的底部安装有第一支撑板2，第一支撑板2上开设有若干通孔，第一支撑板2的下方设置有第一鼓风机1；堆肥罐5的顶部通过管道连通污染气体收集罐11的底部，污染气体收集罐11的顶部通过管道连通过滤池13的底部，过滤池13内从下至上依次设置有第一过滤层10和第二过滤层9和第三过滤层15；过滤池13的顶部通过管道连通尾气收集池6的底部，尾气收集池6的顶部通过管道连通尾气收集罐7。As shown in FIG. 1 , the gas filtration system in the composting process includes a
本方案结合堆肥化过程中各类污染气体的排放规律及其物理和生物的去除原理，提出了一套能综合去除堆肥过程中温室气体和臭气的生物滤池系统，能使污染气体去除率达到95％以上，可广泛应用于各种具有污染气体集中收集的堆肥工艺。原料在堆肥罐5内进行发酵，产生的气体排放进入污染气体收集罐11，污染气体收集罐11内装有自来水，吸收气体中的可融水污染气体，然后进入过滤池13。Combining the emission rules of various polluting gases and their physical and biological removal principles in the composting process, this scheme proposes a biological filter system that can comprehensively remove greenhouse gases and odors in the composting process. It can reach more than 95%, and can be widely used in various composting processes with centralized collection of polluted gases. The raw materials are fermented in the
过滤池13内的第一过滤层10为腐熟堆肥+沙土(按重量比6:4混合)填料层(高度为100cm)通过吸附和好氧生物代谢的联合作用，去除NH3和其他臭气，第二过滤层9为腐熟堆肥+铜绿假单胞菌+N2O还原菌剂(两种菌剂的接种量均为体积比10％)填料层(高度为30cm)在微好氧和厌氧环境下，在N2O还原菌的作用下，去除废气中的温室气体成分N2O，进一步去除NH3；第三过滤层15采用腐熟堆肥+木屑+小麦苍白杆菌菌剂(接种量为体积为10％)填料层(高度为50cm)在好氧环境中，通过甲烷氧化菌去除废气中的温室气体成分CH4，最后废气中少量的污染气体被尾气收集池6内的5％硼酸溶液吸收，剩余的少量尾气通过尾气收集罐7收集。The
沙土填料层设置在过滤池13底部安装的第二支撑板12上，第二支撑板12上开设有若干通孔；第二过滤层10、第一过滤层9和第三过滤层15之间通过卵石层14隔开；堆肥罐5的底部设置有第一排料口3和第二排料口4，第一支撑板2设置在第一排料口3和第二排料口4之间；过滤池13的底部设置有第二鼓风机，污染气体收集罐11与过滤池13之间的管道上安装有气体流量计8。The sand filling layer is arranged on the
堆肥的原料堆积在第一支撑板2上，第一排料口3用于排放渗滤液，第二排料口4用于排放底肥原料，第二支撑板12用于支撑过滤池13内的过滤层；第一鼓风机1利于废气的驱动流通，第二鼓风机供给过滤池13空气(即每立方米填料每分钟通风30L)，气体流量计8用于记录废气排放的流量。本过滤系统具有结构简单、填料成本低、操作方便，对堆肥过程中排放的温室气体和恶臭气体去除效率高等优点，在规模化堆肥生产中具有广阔的应用前景和较高的应用价值。The raw materials of the compost are stacked on the first support plate 2, the
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| CN113896583A (en) * | 2021-10-29 | 2022-01-07 | 庐江县金乔生态农业有限公司 | Agricultural organic fertilizer aerobic fermentation pipe network conveying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113896583A (en) * | 2021-10-29 | 2022-01-07 | 庐江县金乔生态农业有限公司 | Agricultural organic fertilizer aerobic fermentation pipe network conveying system |
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