CN201686693U - Gas storage hydraulic type automatic slag discharge biogas digester - Google Patents
Gas storage hydraulic type automatic slag discharge biogas digester Download PDFInfo
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- 239000002893 slag Substances 0.000 title claims abstract description 48
- 238000003860 storage Methods 0.000 title claims abstract description 12
- 238000000855 fermentation Methods 0.000 claims abstract description 95
- 230000004151 fermentation Effects 0.000 claims abstract description 95
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000010802 sludge Substances 0.000 claims 6
- 239000000463 material Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000008021 deposition Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
储气水压式自动排渣沼气池，涉及一种沼气池。提供一种适于大中型发酵制沼池的建设，建造时间短，发酵较充分，产气率较高，供气较均匀稳定，瓢舀渣液方便，沼料利用率较高，能有效解决浮渣结壳和残渣沉积问题的储气水压式自动排渣沼气池。设有主发酵池、副发酵池、出气管道、排渣器、电机，主发酵池与副发酵池之间连通，主发酵池一侧设有进料口和操作孔，副发酵池一侧设排渣口，在副发酵池一侧排渣口顶部设溢流口，出气管道分别设于主发酵池和副发酵池内，出气管道分别从主发酵池和副发酵池池顶往池底延伸至操作孔；排渣器设于主发酵池和副发酵池底部，排渣器接电机。
The utility model relates to a gas-storage hydraulic type automatic slag-discharging biogas pit, relating to a biogas pit. Provides a construction suitable for large and medium-sized fermentation biogas ponds, with short construction time, more complete fermentation, higher gas production rate, more uniform and stable gas supply, convenient scooping of slag liquid, high biogas material utilization rate, and can effectively solve floating problems. Gas storage hydraulic type automatic slag discharge biogas digester for slag crusting and residue deposition problems. There are main fermentation tank, auxiliary fermentation tank, air outlet pipe, slag discharger and motor. The slag port is provided with an overflow port on the top of the slag outlet on the side of the auxiliary fermentation tank, and the gas outlet pipes are respectively arranged in the main fermentation tank and the auxiliary fermentation tank, and the gas outlet pipes extend from the top of the main fermentation tank and the auxiliary fermentation tank to the bottom of the tank to the operation hole; the slag discharger is located at the bottom of the main fermentation tank and the auxiliary fermentation tank, and the slag discharger is connected to the motor.
Description
技术领域technical field
本实用新型涉及一种沼气池，尤其是涉及一种储气水压式自动排渣沼气池。The utility model relates to a biogas pit, in particular to a gas storage hydraulic type automatic slag discharge biogas pit.
背景技术Background technique
目前，在我国农村推广的沼气池一般采用圆筒形水压沼气型的结构，以国家标准的M3圆筒型水压沼气池为例，其池型的结构特点是1、主池属于圆形，相对于其他形状(如椭圆、方体)其容量大，墙壁受力均匀，池体相对牢固，进料后布料均匀，发酵较充分；2、采用水压式，其主池上部贮气室完全封闭，出料间(俗称副池)既是出料处，又是水压间。随着沼气的不断产生，主池间液面随之升高。当用气时，沼气减少，水压间的料液又返回池内。这样，部分料液的来回串动，引起水压的反复变化，达到贮存和排放沼气的目的。At present, the biogas digesters promoted in rural areas of our country generally adopt a cylindrical hydraulic biogas structure. Taking the national standard M3 cylindrical hydraulic biogas digester as an example, the structural characteristics of the pool are: 1. The main pool is circular , compared with other shapes (such as ellipse, square), its capacity is large, the wall is evenly stressed, the pool body is relatively firm, the material is evenly distributed after feeding, and the fermentation is relatively sufficient; Completely closed, the discharge room (commonly known as the auxiliary pool) is not only the discharge place, but also the water pressure room. With the continuous production of biogas, the liquid level between the main pools will rise accordingly. When the gas is used, the biogas is reduced, and the feed liquid in the hydraulic chamber returns to the pool. In this way, part of the feed liquid moves back and forth in series, causing repeated changes in water pressure to achieve the purpose of storing and discharging biogas.
上述沼气池的主要优点是：1、能充气利用土壤的承载能力，池体受力性良好；2、适于装填多种发酵原料(例如猪粪便、作物桔杆等)；3、便于经常进料，猪舍、厕所粪便随时都能打扫进池；4、池体周围都与土壤接触，对池体保温有一定作用。但是存在以下缺点：1、由于气压反复变化，对池体强度和使用沼气的灯具、灶具燃烧效率的稳定与提高都有不利的影响；2、由于没有搅拌装置，池内浮渣容易结壳，又难于破碎，因此发酵原料的利用率不高，池容产气率偏低(每天仅为0.15m3/m3左右)；3、由于只有一个发酵池，当进料较频繁，进料量较大时，会使一些原料不经发酵就溢出，不能充分发酵。The main advantages of the above-mentioned biogas digester are: 1. It can be inflated to utilize the carrying capacity of the soil, and the pool body has good mechanical performance; 2. It is suitable for filling various fermentation materials (such as pig manure, crop orange stalks, etc.); Feed, piggery and toilet excrement can be cleaned into the pond at any time; 4. The surroundings of the pond body are in contact with the soil, which has a certain effect on the heat preservation of the pond body. However, there are the following disadvantages: 1. Due to repeated changes in air pressure, it has an adverse effect on the strength of the pool body and the stability and improvement of the combustion efficiency of lamps and stoves using biogas; It is difficult to break, so the utilization rate of fermentation raw materials is not high, and the gas production rate of the tank capacity is low (only about 0.15m 3 /m 3 per day); When it is too large, some raw materials will overflow without fermentation and cannot be fully fermented.
发明内容Contents of the invention
本实用新型的目的在于针对现有的圆筒型水压式沼气池存在的缺点，提供一种适于大中型发酵制沼池的建设，建造时间短，发酵较充分，产气率较高，供气较均匀稳定，瓢舀渣液方便，沼料利用率较高，能有效解决浮渣结壳和残渣沉积问题的储气水压式自动排渣沼气池。The purpose of this utility model is to aim at the shortcomings existing in the existing cylindrical hydraulic biogas digesters, and to provide a kind of construction suitable for large and medium-sized fermentation biogas digesters, which has short construction time, sufficient fermentation, high gas production rate, and high supply capacity. The gas is relatively uniform and stable, it is convenient to scoop the slag liquid, and the utilization rate of the biogas is high, which can effectively solve the problem of scum crusting and residue deposition. The gas storage hydraulic type automatic slag discharge biogas digester.
本实用新型设有主发酵池、副发酵池、出气管道、排渣器、电机，主发酵池与副发酵池之间连通，主发酵池一侧设有进料口和操作孔，副发酵池一侧设排渣口，在副发酵池一侧排渣口顶部设溢流口，出气管道分别设于主发酵池和副发酵池内，出气管道分别从主发酵池和副发酵池池顶往池底延伸至操作孔；排渣器设于主发酵池和副发酵池底部，排渣器接电机。The utility model is equipped with a main fermentation tank, an auxiliary fermentation tank, an air outlet pipeline, a slag discharger, and a motor. The main fermentation tank and the auxiliary fermentation tank are connected. The slag discharge port is set on the side, and the overflow port is set on the top of the slag discharge port on the side of the auxiliary fermentation tank. The gas outlet pipes are respectively installed in the main fermentation tank and the auxiliary fermentation tank, and the gas outlet pipes are respectively from the top of the main fermentation tank and the auxiliary fermentation tank to the bottom of the tank Extend to the operation hole; the slag discharger is installed at the bottom of the main fermentation tank and the auxiliary fermentation tank, and the slag discharger is connected to the motor.
在主发酵池和副发酵池池底中间轴线上可设导流孔，所述排渣器可沿主发酵池和副发酵池池底中间轴线方向安装，所述排渣器可采用滚动式排渣器，排渣器一头伸到操作孔并连着电机。当电机转动时，排渣器上的螺旋叶片推动料渣前进，主发酵池的料渣可顺畅移动到副发酵池。所述主发酵池和副发酵池池顶可采用金属池顶，金属池顶可采用防腐喷涂处理的铁皮经过成型制造而成。所述主发酵池为圆形主发酵池。A diversion hole can be set on the middle axis of the bottom of the main fermentation tank and the auxiliary fermentation tank, and the slag discharger can be installed along the middle axis of the bottom of the main fermentation tank and the auxiliary fermentation tank. Slag discharger, one end of the slag discharger extends to the operation hole and is connected to the motor. When the motor rotates, the screw blades on the slag discharger push the slag forward, and the slag in the main fermentation tank can be smoothly moved to the auxiliary fermentation tank. The roof of the main fermentation tank and the auxiliary fermentation tank can be made of a metal tank roof, and the metal tank roof can be manufactured by forming an anti-corrosion sprayed iron sheet. The main fermentation tank is a circular main fermentation tank.
由于本实用新型的主、副发酵池上部的贮气室不设直接出气口，而将出气管道从主发酵池和副发酵池池顶往池底延伸到操作孔，并在操作孔设阀门和导气管，同时在主发酵池和副发酵池池底中间轴线上设导流孔，所述排渣器可沿主发酵池和副发酵池池底中间轴线方向安装，所述排渣器采用滚动式排渣器，排渣器一头伸到操作孔并连着电机。当电机转动时，排渣器上的螺旋叶片推动料渣前进，主发酵池的料渣可顺畅移动到副发酵池。由此可见，与已有的沼气池相比，本实用新型具有以下突出的优点：Because the air storage chamber on the top of the main and auxiliary fermentation tanks of the utility model does not have a direct air outlet, the gas outlet pipeline extends from the top of the main fermentation tank and the auxiliary fermentation tank to the bottom of the pool to the operation hole, and valves and valves are set in the operation holes. At the same time, guide holes are set on the middle axis of the bottom of the main fermentation tank and the auxiliary fermentation tank. The slag discharger can be installed along the middle axis of the bottom of the main fermentation tank and the auxiliary fermentation tank. Type slag discharger, one end of the slag discharger extends to the operation hole and is connected to the motor. When the motor rotates, the screw blades on the slag discharger push the slag forward, and the slag in the main fermentation tank can be smoothly moved to the auxiliary fermentation tank. It can be seen that, compared with the existing biogas digesters, the utility model has the following outstanding advantages:
1)由于采用主发酵池和副发酵池，因此增大了沼池容量，适合建造大中型沼气池。1) Due to the use of the main fermentation tank and the auxiliary fermentation tank, the capacity of the biogas tank is increased, which is suitable for the construction of large and medium-sized biogas tanks.
2)由于池顶采用成型金属材料，因此施工量大量减少，缩短建池时间。2) Since the roof of the pool is made of formed metal materials, the amount of construction is greatly reduced and the time for building the pool is shortened.
3)由于在主发酵池和副发酵池池底安装滚动式排渣器，因此可定时对料渣进行搅动和移渣，有效解决浮渣结壳和残渣沉积问题，使料渣充分发酵，产气率高，供气均匀稳定，瓢舀渣液方便，沼料利用率高。3) Since the rolling slag discharger is installed at the bottom of the main fermentation tank and the auxiliary fermentation tank, the slag can be stirred and removed regularly, effectively solving the problem of scum crusting and residue deposition, so that the material slag can be fully fermented and produced The gas rate is high, the gas supply is uniform and stable, the slag liquid is conveniently scooped up, and the biogas material utilization rate is high.
附图说明Description of drawings
图1为本实用新型实施例的剖面结构示意图。Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the utility model.
图2为本实用新型实施例的平面结构示意图。Fig. 2 is a schematic plan view of the utility model embodiment.
具体实施方式Detailed ways
参见图1和2，本实用新型实施例设有主发酵池4、副发酵池5、出气管道9、排渣器11、电机10，主发酵池4与副发酵池5之间通过连接孔12连通，主发酵池4一侧设有进料口3和操作孔2，副发酵池5一侧设排渣口13，在副发酵池5一侧排渣口13顶部设溢流口8，出气管道9分别设于主发酵池4和副发酵池5内，出气管道9分别从主发酵池4和副发酵池5池顶往池底延伸至操作孔2，排渣器11设于主发酵池4和副发酵池5底部，排渣器11与电机10连接。在图1中，标记1为地面，6为主发酵池4的弓形金属池顶，7为副发酵池5的弓形金属池顶。在图2中，标记14为轴承。Referring to Figures 1 and 2, the utility model embodiment is provided with
排渣器11可采用滚动式排渣器，一端连接电机10，沿主发酵池4和副发酵池5池底中间轴线上安放。在主发酵池4和副发酵池5池底中间轴线上可分别设有导流孔。当电机10转动时，排渣器11上的螺旋叶片推动料渣前进，主发酵池4的料渣可顺畅移动到副发酵池5。金属池顶可采用防腐喷涂处理的铁皮经过成型制造而成。The
所述主发酵池4采用圆形主发酵池。The
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112574861A (en) * | 2020-12-28 | 2021-03-30 | 中国农业科学院农业环境与可持续发展研究所 | Anaerobic digestion system capable of automatically discharging slag and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112574861A (en) * | 2020-12-28 | 2021-03-30 | 中国农业科学院农业环境与可持续发展研究所 | Anaerobic digestion system capable of automatically discharging slag and control method |
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