CN104817170A - Large-scale piggery dung treatment ecological circulation system - Google Patents
Large-scale piggery dung treatment ecological circulation system Download PDFInfo
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- 210000003608 fece Anatomy 0.000 title claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 75
- 239000010871 livestock manure Substances 0.000 claims abstract description 45
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 238000003860 storage Methods 0.000 claims abstract description 27
- 239000002699 waste material Substances 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000000855 fermentation Methods 0.000 claims abstract description 13
- 238000003973 irrigation Methods 0.000 claims abstract description 12
- 230000002262 irrigation Effects 0.000 claims abstract description 12
- 239000010865 sewage Substances 0.000 claims abstract description 12
- 238000000746 purification Methods 0.000 claims abstract description 6
- 229920003023 plastic Polymers 0.000 claims abstract description 5
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 239000011241 protective layer Substances 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 206010056325 Faecaloma Diseases 0.000 claims 5
- 238000001914 filtration Methods 0.000 claims 3
- 230000001788 irregular Effects 0.000 claims 3
- 239000003337 fertilizer Substances 0.000 claims 2
- 239000011148 porous material Substances 0.000 claims 2
- 238000001556 precipitation Methods 0.000 claims 1
- 239000010802 sludge Substances 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 25
- 239000003895 organic fertilizer Substances 0.000 abstract description 14
- 238000004062 sedimentation Methods 0.000 abstract description 11
- 238000010248 power generation Methods 0.000 abstract description 5
- 239000002912 waste gas Substances 0.000 abstract description 4
- 230000004151 fermentation Effects 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 238000005192 partition Methods 0.000 description 19
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 241000282887 Suidae Species 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002550 fecal effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004065 wastewater treatment 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
- 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
- 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
- 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
本发明公开了一种规模化养猪场粪污处理生态循环系统,包括粪污收集单元、固液分离单元、厌氧发酵单元、沼气利用单元和沼液利用单元,粪污收集单元包括集液池、积粪池、沉淀池和储液池,固液分离单元包括固液分离机和有机肥处理装置,厌氧发酵单元为多级厌氧反应装置,包括一级厌氧反应罐和二级厌氧反应罐,沼气利用单元包括沼气柜、沼气净化装置和沼气发电装置,沼液利用单元包括沼液储存池、林业灌溉装置和农田灌溉装置,在积粪池和储液池上方均设置有抗高温耐氧化的塑料软保护层。本发明不但将粪污水经过发酵产生了沼气和沼液,还经过了固液分离,产生了有机肥,且避免了废气产生二次污染的可能性,使废物达到有效充分的再利用,提高综合利用率。
The invention discloses a large-scale pig farm manure treatment ecological cycle system, which includes a manure collection unit, a solid-liquid separation unit, an anaerobic fermentation unit, a biogas utilization unit and a biogas slurry utilization unit. The manure collection unit includes a liquid collection unit pool, septic tank, sedimentation tank and liquid storage tank, the solid-liquid separation unit includes a solid-liquid separator and an organic fertilizer treatment device, and the anaerobic fermentation unit is a multi-stage anaerobic reaction device, including a primary anaerobic reaction tank and a secondary Anaerobic reaction tank, biogas utilization unit includes biogas cabinet, biogas purification device and biogas power generation device, biogas slurry utilization unit includes biogas slurry storage tank, forestry irrigation device and farmland irrigation device, above the cesspool and liquid storage tank are equipped with High temperature and oxidation resistant plastic soft protective layer. The invention not only produces biogas and biogas slurry through fermentation of manure and sewage, but also undergoes solid-liquid separation to produce organic fertilizer, and avoids the possibility of secondary pollution caused by waste gas, so that waste can be effectively and fully reused, and comprehensive utilization rate.
Description
技术领域: Technical field:
本发明涉及一种粪污利用系统,特别是涉及一种规模化养猪场粪污处理生态循环系统,通过采用固液分离和厌氧发酵技术,先将粪污水分离为干粪和粪水,干粪经过处理变成有机肥,粪水经过厌氧发酵产生沼气和沼液,沼气可以用来发电、沼液可以用来浇灌农田和树木。 The invention relates to a manure utilization system, in particular to an ecological cycle system for large-scale pig farm manure treatment. By adopting solid-liquid separation and anaerobic fermentation technology, manure and sewage are firstly separated into dry manure and manure, The dried manure is processed into organic fertilizer, and the manure is anaerobically fermented to produce biogas and biogas slurry. The biogas can be used to generate electricity, and the biogas slurry can be used to irrigate farmland and trees.
背景技术: Background technique:
随着畜牧业的发展,规模化养猪场和养猪区域的快速增加,所带来的主要问题就是大量粪污水及废水的处理问题,如果处理不好就会造成环境污染,严重时会殃及猪场附近农田,影响农民的生活。如果有一种办法可以有效的处理养殖产生的粪污水并进行粪污再利用,那么就可以给养殖业节省极大的费用,提高综合利用率。 With the development of animal husbandry and the rapid increase of large-scale pig farms and pig breeding areas, the main problem is the treatment of a large amount of fecal sewage and wastewater. If the treatment is not good, it will cause environmental pollution, and in severe cases it will cause disaster. And the farmland near the pig farm, affecting the lives of farmers. If there is a way to effectively treat the manure and sewage produced by breeding and reuse the manure, it can save a lot of money for the breeding industry and improve the comprehensive utilization rate.
发明内容: Invention content:
本发明所要解决的技术问题是:提供一种规模化养猪场粪污处理生态循环系统,不但能使粪污水经过发酵产生沼气和沼液、还能经过固液分离产生有机肥,使废物达到有效充分的再利用,提高综合利用率。 The technical problem to be solved by the present invention is to provide a large-scale pig farm manure treatment ecological cycle system, which can not only produce biogas and biogas liquid through fermentation of manure and sewage, but also produce organic fertilizer through solid-liquid separation, so that waste can reach Effective and full reuse, improve comprehensive utilization.
本发明为解决技术问题所采取的技术方案是: The technical scheme that the present invention takes for solving technical problems is:
一种规模化养猪场粪污处理生态循环系统,包括粪污收集单元、固液分离单元、厌氧发酵单元、沼气利用单元和沼液利用单元,所述粪污收集单元包括集液池、积粪池、沉淀池和储液池,从养殖场排出来的粪污水通过所述的集液池后,废液经过沉淀池沉淀后流入到储液池中待用,集液池过滤掉的固体粪污和沉淀池沉积下来的固体粪污被输送到积粪池中待用;所述固液分离单元包括固液分离机和有机肥处理装置,所述积粪池中的固体粪污经过固液分离机处理后、固体物质经有机肥处理装置进行处理、液体流入到储液池中;所述厌氧发酵单元为多级厌氧反应装置,包括一级厌氧反应罐和二级厌氧反应罐,所述储液池内的废液经提升泵提升后依次进入到一级厌氧反应罐和二级厌氧反应罐中;所述沼气利用单元包括沼气柜、沼气净化装置和沼气发电装置,所述一级厌氧反应罐和二级厌氧反应罐里所产生的沼气经过收气管道进入所述沼气柜中,从沼气柜中输出来的沼气经沼气净化装置净化后输入到沼气发电装置中;所述沼液利用单元包括沼液储存池、林业灌溉装置和农田灌溉装置,所述一级厌氧反应罐和二级厌氧反应罐里所产生的沼液经沼液输送管道流入沼液储存池中,根据需要,所述沼液储存池的沼液分别流入林业灌溉装置和农田灌溉装置中进行利用;在所述积粪池和储液池上方均设置有抗高温耐氧化的塑料软保护层。 An ecological cycle system for large-scale pig farm manure treatment, including a manure collection unit, a solid-liquid separation unit, an anaerobic fermentation unit, a biogas utilization unit, and a biogas slurry utilization unit. The manure collection unit includes a liquid collection tank, Septic tanks, sedimentation tanks and liquid storage tanks. After the fecal sewage discharged from the farm passes through the liquid collection tanks, the waste liquid flows into the liquid storage tanks after being precipitated in the sedimentation tanks for use, and the filtered waste in the liquid collection tanks The solid manure and the solid manure deposited in the sedimentation tank are transported to the cesspool for use; the solid-liquid separation unit includes a solid-liquid separator and an organic fertilizer treatment device, and the solid manure in the cesspool passes through After being treated by the solid-liquid separator, the solid matter is processed by the organic fertilizer treatment device, and the liquid flows into the liquid storage tank; the anaerobic fermentation unit is a multi-stage anaerobic reaction device, including a first-stage anaerobic reaction tank and a second-stage anaerobic reaction tank. Oxygen reaction tank, the waste liquid in the liquid storage tank is lifted by the lift pump and then enters the primary anaerobic reaction tank and the secondary anaerobic reaction tank; the biogas utilization unit includes a biogas cabinet, a biogas purification device and a biogas power generation unit device, the biogas produced in the first-stage anaerobic reaction tank and the second-stage anaerobic reaction tank enters the biogas cabinet through the gas collection pipe, and the biogas output from the biogas cabinet is purified by the biogas purification device and then input into the biogas In the power generation device; the biogas slurry utilization unit includes a biogas slurry storage tank, a forestry irrigation device and a farmland irrigation device, and the biogas slurry produced in the first-stage anaerobic reaction tank and the second-stage anaerobic reaction tank passes through the biogas slurry transportation pipeline It flows into the biogas slurry storage tank, and the biogas slurry in the biogas slurry storage tank flows into the forestry irrigation device and the farmland irrigation device for utilization according to the needs; above the cesspool and the liquid storage tank, there are high-temperature and oxidation-resistant Plastic soft protective layer.
所述集液池为“凸”型结构,由混凝土浇筑而成,下部分为实墙空心结构,上半部分的收集槽上不规则设置有若干个废液贯通孔,在收集槽外端设置有一层过滤网,所述收集槽与过滤网之间通过螺栓相连接,所述过滤网外面过滤出来的固体粪污被输送到积粪池中待用;所述收集槽的顶端高度低于养殖场猪群漏粪板的高度。 The liquid collection pool is a "convex" structure, which is made of concrete pouring. The lower part is a solid wall hollow structure. The upper half of the collection tank is irregularly provided with several waste liquid through holes, and the outer end of the collection tank is set There is a layer of filter screen, and the collection tank and the filter screen are connected by bolts, and the solid manure filtered out of the filter screen is transported to the septic tank for use; the height of the top of the collection tank is lower than that of the aquaculture The height of the manure board of the farm pigs.
所述沉淀池由小环池、中环池和大环池组成;所述小环池设置在所述中环池的内腔,在小环池和中环池之间均匀设置有四个小隔板,每个小隔板上不规则设置有数个小贯通孔;所述中环池设置在所述大环池的内腔中,在中环池和大环池之间均匀设置有四个大隔板,每个大隔板上不规则设置有数个大贯通孔;所述四个小隔板和四个大隔板位置互相错开、均匀布置。 The sedimentation tank is composed of a small ring pool, a middle ring pool and a big ring pool; Several small through holes are irregularly arranged on the two small partitions; the middle ring pool is arranged in the inner cavity of the large ring pool, and four large partitions are evenly arranged between the middle ring pool and the large ring pool, and each large ring pool Several large through-holes are irregularly arranged on the partition; the positions of the four small partitions and the four large partitions are staggered and evenly arranged.
每两个大隔板中间下方所对应的位置设置有一个小隔板,每两个小隔板上方所对应的位置设置有一个大隔板。 A small partition is arranged at a position corresponding to the lower middle of every two large partitions, and a large partition is arranged at a corresponding position above every two small partitions.
根据需要,本发明的多级厌氧反应装置可以设置三个或三个以上的厌氧反应罐。 According to needs, the multistage anaerobic reaction device of the present invention can be provided with three or more anaerobic reaction tanks.
本发明通过采用固液分离技术和厌氧发酵技术,先将粪污水分离为干粪和粪水,干粪经过加工变成有机肥,有机肥可以直接给农作物、树木施肥,粪水经过厌氧发酵产生沼气和沼液,沼气可以用来发电、沼液可以用来浇灌农田和树木。 The present invention adopts solid-liquid separation technology and anaerobic fermentation technology to firstly separate manure and sewage into dry manure and manure, and the dry manure is processed into organic fertilizer. The organic fertilizer can directly fertilize crops and trees, and the manure is anaerobic. Fermentation produces biogas and biogas slurry. Biogas can be used to generate electricity and biogas slurry can be used to irrigate farmland and trees.
本发明通过在所述积粪池和储液池上方均设置有抗高温耐氧化的塑料软保护层,可以有效避免废气排放进大气中,产生二次污染,符合环保无公害的企业发展理念。 In the present invention, a high-temperature and oxidation-resistant plastic soft protective layer is arranged above the septic tank and the liquid storage tank, which can effectively prevent waste gas from being discharged into the atmosphere and cause secondary pollution, and is in line with the enterprise development concept of environmental protection and pollution-free.
本发明通过将集液池设计成“凸”型结构,上半部分为收集槽,在收集槽外端设置有一层过滤网,能够对养殖场的废水进行初步分离,阻挡废液中的固体物质进入集液池,提高固液的分离效果,降低处理费用,过滤网外面过滤出来的固体粪污被输送到积粪池中,直接经过有机肥处理装置进行处理后进入到再利用环节。 In the present invention, the liquid collection pool is designed as a "convex" structure, the upper part is a collection tank, and a layer of filter screen is arranged at the outer end of the collection tank, which can initially separate the wastewater from the farm and block the solid matter in the waste liquid Enter the liquid collection tank, improve the separation effect of solid and liquid, and reduce the treatment cost. The solid manure filtered out of the filter screen is transported to the septic tank, directly processed by the organic fertilizer treatment device, and then enters the reuse link.
本发明小环池、中环池和大环池互相套接在一起,减少占地面积,并且污水沿圆周方向流动,经过隔板的贯通孔在不同腔体之间进行环形流动,增加流动路程,减缓液流速度,提高沉淀效果。 The small ring pool, the middle ring pool and the big ring pool of the present invention are nested together to reduce the occupied area, and the sewage flows along the circumferential direction, and flows circularly between different cavities through the through holes of the partition, increasing the flow distance, Slow down the liquid flow speed and improve the sedimentation effect.
本发明的粪污综合利用系统和一般的废水处理系统的不同之处在于:不但将粪污水经过发酵产生了沼气,还经过了固液分离,产生了有机肥,且避免了废气产生二次污染的可能性,使废物达到有效充分的再利用,提高综合利用率。 The difference between the manure comprehensive utilization system of the present invention and the general wastewater treatment system is that not only the manure is fermented to produce methane, but also undergoes solid-liquid separation to produce organic fertilizer, and avoids secondary pollution caused by waste gas Possibility, so that the waste can be effectively and fully reused, and the comprehensive utilization rate can be improved.
本发明的积极有益效果如下: The positive beneficial effects of the present invention are as follows:
1、本发明将固体制造成有机肥,沼气用来发电、沼液用来浇灌农田和树木,使废物达到有效充分的再利用,提高综合利用率。 1. In the present invention, the solid is made into organic fertilizer, the biogas is used to generate electricity, and the biogas slurry is used to irrigate farmland and trees, so that the waste can be effectively and fully reused, and the comprehensive utilization rate is improved.
2、本发明从根本上解决了大型养殖业粪污水的处理问题,实现了清洁生产和废物利用的最大化以及最合理化。 2. The present invention fundamentally solves the problem of manure and sewage treatment in large-scale aquaculture, and realizes the maximization and rationalization of clean production and waste utilization.
3、本发明避免了废气产生二次污染的可能性,符合环保无公害的生产理念,值得推广。 3. The present invention avoids the possibility of secondary pollution caused by exhaust gas, conforms to the production concept of environmental protection and pollution-free, and is worthy of popularization.
附图说明: Description of drawings:
图1为本发明的结构原理示意图; Fig. 1 is the structural principle schematic diagram of the present invention;
图2为图1中集液池的放大结构示意图; Fig. 2 is the schematic diagram of the enlarged structure of the liquid collection tank in Fig. 1;
图3为图1中沉淀池的放大结构示意图。 Fig. 3 is an enlarged structural schematic diagram of the sedimentation tank in Fig. 1 .
具体实施方式: Detailed ways:
下面结合附图对本发明作进一步的解释和说明: Below in conjunction with accompanying drawing, the present invention will be further explained and illustrated:
参见图1、图2和图3,一种规模化养猪场粪污处理生态循环系统,包括粪污收集单元、固液分离单元、厌氧发酵单元、沼气利用单元和沼液利用单元; See Figure 1, Figure 2 and Figure 3, a large-scale pig farm manure treatment ecological cycle system, including manure collection unit, solid-liquid separation unit, anaerobic fermentation unit, biogas utilization unit and biogas slurry utilization unit;
粪污收集单元包括集液池2、积粪池3、沉淀池4和储液池5,从养殖场排出来的粪污水1通过集液池2后,废液经过沉淀池4沉淀后流入到储液池5中待用,集液池2过滤掉的固体粪污和沉淀池4沉积下来的固体粪污被输送到积粪池3中待用; The manure collection unit includes a liquid collection tank 2, a septic tank 3, a sedimentation tank 4 and a liquid storage tank 5. After the feces and sewage 1 discharged from the farm pass through the liquid collection tank 2, the waste liquid flows into the sedimentation tank 4 after sedimentation. Stand-by in the liquid storage tank 5, the solid manure filtered out by the liquid collection tank 2 and the solid manure deposited in the sedimentation tank 4 are transported to the septic tank 3 for use;
固液分离单元包括固液分离机6和有机肥处理装置8,积粪池3中的固体粪污经过固液分离机6处理后、固体物质经有机肥处理装置8进行处理、液体流入到储液池5中; The solid-liquid separation unit includes a solid-liquid separator 6 and an organic fertilizer treatment device 8. After the solid manure in the cesspool 3 is treated by the solid-liquid separator 6, the solid matter is processed by the organic fertilizer treatment device 8, and the liquid flows into the storage tank. In the liquid pool 5;
厌氧发酵单元为多级厌氧反应装置,包括一级厌氧反应罐9和二级厌氧反应罐10,储液池5内的废液经提升泵8提升后依次进入到一级厌氧反应罐9和二级厌氧反应罐10中; The anaerobic fermentation unit is a multi-stage anaerobic reaction device, including a primary anaerobic reaction tank 9 and a secondary anaerobic reaction tank 10. The waste liquid in the liquid storage tank 5 is lifted by the lift pump 8 and then enters the primary anaerobic reaction tank in turn. In reaction tank 9 and secondary anaerobic reaction tank 10;
沼气利用单元包括沼气柜12、沼气净化装置13和沼气发电装置14,一级厌氧反应罐9和二级厌氧反应罐10里所产生的沼气经过收气管道11进入沼气柜12中,从沼气柜12中输出来的沼气经沼气净化装置13净化后输入到沼气发电装置14中; The biogas utilization unit includes a biogas cabinet 12, a biogas purification device 13 and a biogas power generation device 14. The biogas produced in the primary anaerobic reaction tank 9 and the secondary anaerobic reaction tank 10 enters the biogas cabinet 12 through the gas collection pipeline 11, and from The biogas output from the biogas cabinet 12 is purified by the biogas purification device 13 and then input into the biogas power generation device 14;
沼液利用单元包括沼液储存池16、林业灌溉装置17和农田灌溉装置18,一级厌氧反应罐9和二级厌氧反应罐10里所产生的沼液经沼液输送管道15流入沼液储存池16中,根据需要,沼液储存池16的沼液分别流入林业灌溉装置17和农田灌溉装置18中进行利用;在积粪池3和储液池5上方均设置有抗高温耐氧化的塑料软保护层。 The biogas slurry utilization unit includes a biogas slurry storage pond 16, a forestry irrigation device 17, and a farmland irrigation device 18. The biogas slurry produced in the primary anaerobic reaction tank 9 and the secondary anaerobic reaction tank 10 flows into the biogas slurry through the biogas slurry transportation pipeline 15. In the liquid storage tank 16, as required, the biogas slurry in the biogas slurry storage tank 16 flows into the forestry irrigation device 17 and the farmland irrigation device 18 for utilization; Plastic soft protective layer.
其中:集液池2为“凸”型结构,由混凝土浇筑而成,下部分为实墙空心结构,上半部分的收集槽19上不规则设置有若干个废液贯通孔,在收集槽19外端设置有一层过滤网20,收集槽19与过滤网20之间通过螺栓21相连接,过滤网20外面过滤出来的固体粪污被输送到积粪池3中待用,收集槽,19的顶端高度低于养殖场猪群漏粪板的高度。 Among them: the liquid collection tank 2 is a "convex" type structure, which is formed by pouring concrete. The outer end is provided with a layer of filter screen 20, and the collection tank 19 and the filter screen 20 are connected by bolts 21. The solid manure filtered out of the filter screen 20 is transported to the septic tank 3 for use. The collection tank, 19 The height of the top is lower than the height of the pigs in the farm.
沉淀池4由小环池22、中环池23和大环池24组成,小环池22设置在中环池23的内腔,在小环池22和中环池23之间均匀设置有四个小隔板26,每个小隔板26上不规则设置有数个小贯通孔;中环池23设置在大环池24的内腔中,在中环池23和大环池24之间均匀设置有四个大隔板25,每个大隔板25上不规则设置有数个大贯通孔;四个小隔板26和四个大隔板25位置互相错开、均匀布置;每两个大隔板中间下方所对应的位置设置有一个小隔板,每两个小隔板上方所对应的位置设置有一个大隔板。 Settling tank 4 is made up of small ring pool 22, middle ring pool 23 and big ring pool 24, and small ring pool 22 is arranged on the inner cavity of middle ring pool 23, and four small compartments are evenly arranged between small ring pool 22 and middle ring pool 23 plate 26, several small through-holes are irregularly arranged on each small partition 26; The partitions 25, each large partition 25 is irregularly provided with several large through-holes; the positions of the four small partitions 26 and the four large partitions 25 are staggered from each other and arranged evenly; A small partition is arranged at the position of each two small partitions, and a large partition is arranged at a corresponding position above every two small partitions.
根据需要,多级厌氧反应装置可以设置三个或三个以上的厌氧反应罐,进行多级厌氧发酵反应。 According to needs, the multi-stage anaerobic reaction device can be equipped with three or more anaerobic reaction tanks to carry out multi-stage anaerobic fermentation reactions.
本发明不但将粪污水经过发酵产生了沼气和沼液,还经过了固液分离,产生了有机肥,且避免了废气产生二次污染的可能性,使废物达到有效充分的再利用,提高综合利用率。 The present invention not only ferments manure and sewage to produce biogas and biogas liquid, but also undergoes solid-liquid separation to produce organic fertilizer, and avoids the possibility of secondary pollution caused by waste gas, so that waste can be effectively and fully reused, and comprehensive utilization rate.
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