CN203807469U - Novel integrated anaerobic fermentation device - Google Patents
Novel integrated anaerobic fermentation device Download PDFInfo
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- CN203807469U CN203807469U CN201420237739.XU CN201420237739U CN203807469U CN 203807469 U CN203807469 U CN 203807469U CN 201420237739 U CN201420237739 U CN 201420237739U CN 203807469 U CN203807469 U CN 203807469U
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- fermenting pond
- anaerobic fermentation
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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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Abstract
The utility model discloses a novel integrated anaerobic fermentation device. The novel integrated anaerobic fermentation device comprises a water feeding device, an integrated anaerobic fermentation reactor, a water discharging device, an anaerobic tank filler, a sludge discharging device and a methane collecting device, wherein the integrated anaerobic fermentation reactor comprises an impermeable base membrane, a floating covering membrane and an anaerobic fermentation tank, the impermeable base membrane is arranged at the bottom and the inner wall of the anaerobic fermentation tank; the floating covering membrane is connected with the top of the anaerobic fermentation tank, and a methane storage space is formed between the floating covering membrane and the impermeable base membrane; the water feeding device is arranged at the left side of the integrated anaerobic fermentation reactor; the water discharging device is arranged at the right side of the integrated anaerobic fermentation reactor; the anaerobic tank filler is suspended in the anaerobic fermentation tank; the sludge discharging device is arranged at the side edge of the anaerobic fermentation tank; and the methane collecting device is arranged at the side edge of the anaerobic fermentation tank. The novel integrated anaerobic fermentation device has the advantages that a large volume anaerobic fermentation tank is adopted, sewage retention time is long, and excrement sewage of livestock and poultry is treated, so that organic pollutants in the sewage can be treated more completely, and more methane is stored.
Description
Technical field
The utility model relates to anaerobic ferment devices field, refers more particularly to a kind of novel all-in-one anaerobic ferment devices.
Background technology
Anaerobic ferment devices is generally to utilize anaerobion with the organic pollutant in degrading waste water and storage compartment biogas, prior art: the anaerobic ferment devices for livestock and poultry feces water treatment mainly contains anaerobic digester, has 3 kinds of forms at present: 1, traditional hydraulic type biomass pool; 2, red-sludge plastic methane-generating pit; 3, enamel assembling tank methane-generating pit.Tradition hydraulic type biomass pool requires higher to the one-piece construction of methane-generating pit, employing concrete placement, can not produce crack otherwise methane-generating pit cannot use, and follow-up clear pond difficulty is large, and air storage needs supporting gas-holder; Red-sludge plastic methane tank body adopts concrete structure, and top cover adopts red-sludge plastic to cover, and air storage needs extra supporting corresponding bladder tank, and integrated engineering cost is higher; Enamel assembling tank adopts board with enamel panel layer assembled by bolt, and this technique air storage needs extra supporting corresponding bladder tank, and equipment industrialization degree is high, and construction costs is high.Therefore more need a kind of economically viable anaerobic digestion process.
Sewage enters in the body of pond by waste pipe, producing anaerobion with the anaerobic activated sludge in the body of pond reacts, thereby the organic pollutant in degradation of sewage, the sediment in sewage is discharged by shore pipe after deposition, and the biogas of generation is collected into gas storage device by pipeline.But because animal dung sewage solid content is many, anaerobic digestion pool volume is little, the organism in sewage is being degraded of more difficult uniform and complete generally, and the biogas storage space of generation is little, does not reach resource and makes full use of.Therefore, sewage needs to be detained for a long time fermentation can make the organic pollutant in sewage be degraded more completely, more needs a kind of easy Mode of methane reserving to facilitate storage and the use of biogas.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point of the prior art and provides a kind of simple in structure, working conditions is not subject to the restriction of season, regional climate, not perishable, air storage equipment good airproof performance, safety performance is high, novel all-in-one anaerobic ferment devices with low cost.
The utility model is realized in the following way:
A kind of novel all-in-one anaerobic ferment devices, it is characterized in that: comprise water feed apparatus, integral anaerobic fermentation reactor, discharging device, anaerobic pond filler, mud discharging device, sludge gas collecting device, described integral anaerobic fermentation reactor is made up of high-density HDPE antiseepage counterdie 4, the unsteady overlay film 3 of 1.5mm thickness, the anaerobically fermenting pond 16 of 1.0mm thickness, and described high-density HDPE antiseepage counterdie 4 is layed in bottom and the inwall in anaerobically fermenting pond 16; Antiseepage counterdie 4 side slopes are anchored at anaerobically fermenting pond 16 side slopes by anchoring groove 17 annulars; Described unsteady overlay film 3 is layed in the top in anaerobically fermenting pond 16, the overlay film 3 that floats is anchored at anaerobically fermenting pond 16 side slopes by anchoring groove 17 annulars, and weld mutually with described high-density HDPE antiseepage counterdie 4, between described unsteady overlay film 3 and high-density HDPE antiseepage counterdie 4, form a biogas storage space;
Described water feed apparatus is located at the left side of integral anaerobic fermentation reactor, and is connected with anaerobically fermenting pond 16; Described discharging device is located at the right side of integral anaerobic fermentation reactor, and is connected with anaerobically fermenting pond 16;
Described anaerobic pond filler hangs in anaerobically fermenting pond 16; Described mud discharging device is located at the side in anaerobically fermenting pond 16, and is connected with anaerobically fermenting pond 16; Described sludge gas collecting device is located at the side in anaerobically fermenting pond 16, and is connected with anaerobically fermenting pond 16.
Preferably, described water feed apparatus comprises inlet well 1, water inlet pipe 2; Described inlet well 1 is located at the left side in anaerobically fermenting pond 16; The form that water inlet pipe 2 adopts PE pipe to connect pvc pipe is connected with inlet well 1; Pvc pipe end adopts straight-through mode to be connected with inlet well 1, and PE pipe end adopts the mode of assuring to be connected with high-density HDPE antiseepage counterdie 4 through high-density HDPE antiseepage counterdie 4, and PE pipe end puts in anaerobically fermenting pond 16 parts and is connected with 45 ° of swan necks.
Preferably, described discharging device comprises wet well 6, rising pipe 5; Described wet well 6 is located at the right side in anaerobically fermenting pond 16; The form that rising pipe 5 adopts PE pipe to connect pvc pipe is connected with wet well 6; Pvc pipe end adopts straight-through mode to be connected with wet well 6, and PE pipe end adopts the mode of assuring to be connected with high-density HDPE antiseepage counterdie 4 through high-density HDPE antiseepage counterdie 4, and PE pipe end puts in anaerobically fermenting pond 16 parts and is connected with 45 ° of swan necks.
Preferably, described mud discharging device comprises blowoff chamber 9, spoil disposal collection tube 7, spigot and socket pipe 8; The form that described spoil disposal collection tube 7 adopts PE pipe to connect pvc pipe is connected with blowoff chamber 9, PE pipe end adopts the mode of assuring to be connected with high-density HDPE antiseepage counterdie 4 through high-density HDPE antiseepage counterdie 4, PE pipe end puts in anaerobically fermenting pond 16 parts and adopts 45 ° of swan necks connection perforation pvc pipe roads to guide to the bottom in anaerobically fermenting pond 16, and is positioned at the top of high-density HDPE antiseepage counterdie 4; The pvc pipe end of spoil disposal collection tube 7 is connected with spigot and socket pipe 8; Described spigot and socket pipe 8 adopts pvc pipe to be connected in blowoff chamber 9; Described blowoff chamber 9 is positioned at the side in anaerobically fermenting pond 16.
Preferably, described anaerobic pond filler comprises support floating drum 13, swing pipe 15, biologic packing material 14, and described swing pipe 15 is connected in the bottom of biologic packing material 14, and described support floating drum 13 is connected in the top of biologic packing material 14; Support floating drum 13 and adopt some floating drum series connection to form, and by the side of the fixing high-density HDPE antiseepage counterdie 4 in floating drum string two ends; Utilize the buoyancy that supports floating drum 13 to make biologic packing material 14 and swing pipe 15 be suspended in 16 inside, anaerobically fermenting pond.
Preferably, described sludge gas collecting device comprises collecting methane pipe 10, biogas pressure relief device 12, and described collecting methane pipe 10 is perforation pvc pipe, and its one end adopts slip to be fixed on the side slope top of high-density HDPE antiseepage counterdie 4, and is positioned at the below of the overlay film 3 that floats; Described collecting methane pipe 10 is connected with biogas pressure relief device 12 by biogas transport pipe 11.
The beneficial effects of the utility model are: 1, with a kind of anaerobically fermenting pond, sewage residence time length and jumbo air storage space of large volume, animal dung sewage is processed, organic pollutant in sewage is processed more completely, stored more biogas; 2, the utility model can be realized the joint use of changing according to the season of biogas, heat produced a large amount of biogas and stored by the super large space of the unsteady overlay film on anaerobically fermenting pond summer, exhaustless summer biogas is left to and is used cold period in winter, realize the target of continuous air feed, biogas is more easily used, give full play to economic benefit; 3, the utility model integral anaerobic fermentation unit working conditions is not subject to the restriction of season, regional climate, not perishable, air storage equipment good airproof performance, and safety performance is high, with low cost.
Brief description of the drawings
Fig. 1 the utility model structural front view;
Fig. 2 the utility model structural front view.
Embodiment
Now by reference to the accompanying drawings, the utility model embodiment is described in detail in detail:
As shown in Figure 1 and Figure 2, a kind of novel all-in-one anaerobic ferment devices, comprise water feed apparatus, integral anaerobic fermentation reactor, discharging device, anaerobic pond filler, mud discharging device, sludge gas collecting device, integral anaerobic fermentation reactor is made up of high-density HDPE antiseepage counterdie 4, the unsteady overlay film 3 of 1.5mm thickness, the anaerobically fermenting pond 16 of 1.0mm thickness, anaerobically fermenting pond 16 adopts the mode of excavating fish ponds, and rammed earth is carried out in basis and build and form; High-density HDPE antiseepage counterdie 4 is layed in bottom and the inwall in anaerobically fermenting pond 16; Antiseepage counterdie 4 side slopes are anchored at anaerobically fermenting pond 16 side slopes by anchoring groove 17 annulars; The overlay film 3 that floats is layed in the top in anaerobically fermenting pond 16, the overlay film 3 that floats is anchored at anaerobically fermenting pond 16 side slopes by anchoring groove 17 annulars, and weld mutually with described high-density HDPE antiseepage counterdie 4, realize double seal, float and form a biogas storage space between overlay film 3 and high-density HDPE antiseepage counterdie 4; Water feed apparatus is located at the left side of integral anaerobic fermentation reactor, and is connected with anaerobically fermenting pond 16; Discharging device is located at the right side of integral anaerobic fermentation reactor, and is connected with anaerobically fermenting pond 16; Anaerobic pond filler hangs in anaerobically fermenting pond 16; Mud discharging device is located at the side in anaerobically fermenting pond 16, and is connected with anaerobically fermenting pond 16; Sludge gas collecting device is located at the side in anaerobically fermenting pond 16, and is connected with anaerobically fermenting pond 16.
As shown in Figure 1 and Figure 2, the utility model water feed apparatus comprises inlet well 1, water inlet pipe 2; Inlet well 1 is located at the left side in anaerobically fermenting pond 16; The form that water inlet pipe 2 adopts PE pipe to connect pvc pipe is connected with inlet well 1; Pvc pipe end adopts straight-through mode to be connected with inlet well 1, PE pipe end adopts the mode of assuring to be connected with high-density HDPE antiseepage counterdie 4 through high-density HDPE antiseepage counterdie 4, PE pipe end puts in anaerobically fermenting pond 16 parts and is connected with 45 ° of swan necks and realizes baffling, and the animal dung sewage that flows into inlet well 1 flow to anaerobically fermenting pond 16 through water inlet pipe 2 and ferments.
As shown in Figure 1 and Figure 2, the utility model discharging device comprises wet well 6, rising pipe 5; Described wet well 6 is located at the right side in anaerobically fermenting pond 16; The form that rising pipe 5 adopts PE pipe to connect pvc pipe is connected with wet well 6; Pvc pipe end adopts straight-through mode to be connected with wet well 6, PE pipe end adopts the mode of assuring to be connected with high-density HDPE antiseepage counterdie 4 through high-density HDPE antiseepage counterdie 4, and PE pipe end puts in anaerobically fermenting pond 16 parts and is connected with 45 ° of swan necks and realizes baffling; Wet well 6 is connected with anaerobically fermenting pond 16 by rising pipe 5, and the animal dung sewage after fermentation, in rising pipe 5 flow to wet well 6, then enters subsequent disposal.
As shown in Figure 1 and Figure 2, the utility model mud discharging device comprises blowoff chamber 9, spoil disposal collection tube 7, spigot and socket pipe 8; The form that described spoil disposal collection tube 7 adopts PE pipe to connect pvc pipe is connected with blowoff chamber 9, PE pipe end adopts the mode of assuring to be connected with high-density HDPE antiseepage counterdie 4 through high-density HDPE antiseepage counterdie 4, PE pipe end puts in anaerobically fermenting pond 16 parts and adopts 45 ° of swan necks connection perforation pvc pipe roads to guide to the bottom in anaerobically fermenting pond 16, and is positioned at the top of high-density HDPE antiseepage counterdie 4; The pvc pipe end of spoil disposal collection tube 7 is connected with spigot and socket pipe 8; Described spigot and socket pipe 8 adopts pvc pipe to be connected in blowoff chamber 9; Described blowoff chamber 9 is positioned at the side in anaerobically fermenting pond 16, and the mud depositing in animal dung sewage, in spoil disposal collection tube 7 is collected into blowoff chamber 9, and then is processed again.
As shown in Figure 1 and Figure 2, the utility model anaerobic pond filler comprises support floating drum 13, swing pipe 15, biologic packing material 14, and described swing pipe 15 is connected in the bottom of biologic packing material 14, and described support floating drum 13 is connected in the top of biologic packing material 14; Support floating drum 13 and adopt some floating drum series connection to form, and by the side of the fixing high-density HDPE antiseepage counterdie 4 in floating drum string two ends; Utilize the buoyancy that supports floating drum 13 to make biologic packing material 14 and swing pipe 15 be suspended in 16 inside, anaerobically fermenting pond, support floating drum 13 and be suspended in the anaerobically fermenting pond 16 that animal dung sewage is housed for supporting biologic packing material 14, swing pipe 15 is spacing for the lifting of biologic packing material 14.
As shown in Figure 1 and Figure 2, the utility model sludge gas collecting device comprises collecting methane pipe 10, biogas pressure relief device 12, collecting methane pipe 10 is perforation pvc pipe, and its one end adopts slip to be fixed on the side slope top of high-density HDPE antiseepage counterdie 4, and is positioned at the below of the overlay film 3 that floats; Collecting methane pipe 10 is connected with biogas pressure relief device 12 by biogas transport pipe 11, and the biogas that anaerobically fermenting pond 16 produces, in collecting methane pipe 10 is collected into biogas pressure relief device 12, then carries out release utilization through biogas pressure relief device 12.
When use, animal dung sewage enters integral anaerobic fermentation reactor by water feed apparatus, multiple spot mud discharging device is set before, during and after integral anaerobic fermentation reactor, is also provided with anaerobism filler at integral anaerobic fermentation reactor rear portion, and then connect discharging device.The biogas of anaerobically fermenting pond 16 interior generations is stored by the unsteady overlay film 3 of anaerobically fermenting Chi16Ding, the biogas of storage carries out biogas utilization by collecting methane pipeline 10, when biogas storage capacity is more in fermentation vat, exceed and constant-pressure, will realize release voluntarily by pressure relief device 12.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification sheets and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a novel all-in-one anaerobic ferment devices, it is characterized in that: comprise water feed apparatus, integral anaerobic fermentation reactor, discharging device, anaerobic pond filler, mud discharging device, sludge gas collecting device, described integral anaerobic fermentation reactor is made up of high-density HDPE antiseepage counterdie (4), the unsteady overlay film (3) of 1.5mm thickness, anaerobically fermenting pond (16) of 1.0mm thickness, and described high-density HDPE antiseepage counterdie (4) is layed in bottom and the inwall in anaerobically fermenting pond (16); Antiseepage counterdie (4) side slope is anchored at anaerobically fermenting pond (16) side slope by anchoring groove (17) annular; Described unsteady overlay film (3) is layed in the top of anaerobically fermenting pond (16), the overlay film (3) that floats is anchored at anaerobically fermenting pond (16) side slope by anchoring groove (17) annular, and weld mutually with described high-density HDPE antiseepage counterdie (4), between described unsteady overlay film (3) and high-density HDPE antiseepage counterdie (4), form a biogas storage space;
Described water feed apparatus is located at the left side of integral anaerobic fermentation reactor, and is connected with anaerobically fermenting pond (16); Described discharging device is located at the right side of integral anaerobic fermentation reactor, and is connected with anaerobically fermenting pond (16);
Described anaerobic pond filler hangs in anaerobically fermenting pond (16); Described mud discharging device is located at the side of anaerobically fermenting pond (16), and is connected with anaerobically fermenting pond (16); Described sludge gas collecting device is located at the side of anaerobically fermenting pond (16), and is connected with anaerobically fermenting pond (16).
2. a kind of novel all-in-one anaerobic ferment devices according to claim 1, is characterized in that: described water feed apparatus comprises inlet well (1), water inlet pipe (2); Described inlet well (1) is located at the left side of anaerobically fermenting pond (16); The form that water inlet pipe (2) adopts PE pipe to connect pvc pipe is connected with inlet well (1); Pvc pipe end adopts straight-through mode to be connected with inlet well (1), PE pipe end adopts the mode of assuring to be connected with high-density HDPE antiseepage counterdie (4) through high-density HDPE antiseepage counterdie (4), and PE pipe end puts in anaerobically fermenting pond (16) part and is connected with 45 ° of swan necks.
3. a kind of novel all-in-one anaerobic ferment devices according to claim 1, is characterized in that: described discharging device comprises wet well (6), rising pipe (5); Described wet well (6) is located at the right side of anaerobically fermenting pond (16); The form that rising pipe (5) adopts PE pipe to connect pvc pipe is connected with wet well (6); Pvc pipe end adopts straight-through mode to be connected with wet well (6), PE pipe end adopts the mode of assuring to be connected with high-density HDPE antiseepage counterdie (4) through high-density HDPE antiseepage counterdie (4), and PE pipe end puts in anaerobically fermenting pond (16) part and is connected with 45 ° of swan necks.
4. a kind of novel all-in-one anaerobic ferment devices according to claim 1, is characterized in that: described mud discharging device comprises blowoff chamber (9), spoil disposal collection tube (7), spigot and socket pipe (8);
The form that described spoil disposal collection tube (7) adopts PE pipe to connect pvc pipe is connected with blowoff chamber (9), PE pipe end adopts the mode of assuring to be connected with high-density HDPE antiseepage counterdie (4) through high-density HDPE antiseepage counterdie (4), PE pipe end puts in anaerobically fermenting pond (16) part and adopts 45 ° of swan necks connection perforation pvc pipe roads to guide to the bottom of anaerobically fermenting pond (16), and is positioned at the top of high-density HDPE antiseepage counterdie (4); The pvc pipe end of spoil disposal collection tube (7) is connected with spigot and socket pipe (8); Described spigot and socket pipe (8) adopts pvc pipe to be connected in blowoff chamber (9); Described blowoff chamber (9) is positioned at the side of anaerobically fermenting pond (16).
5. a kind of novel all-in-one anaerobic ferment devices according to claim 1, is characterized in that: described anaerobic pond filler comprises support floating drum (13), swing pipe (15), biologic packing material (14),
Described swing pipe (15) is connected in the bottom of biologic packing material (14), and described support floating drum (13) is connected in the top of biologic packing material (14); Support floating drum (13) and adopt some floating drum series connection to form, and by the side of the fixing high-density HDPE antiseepage counterdie (4) in floating drum string two ends; Utilize the buoyancy that supports floating drum (13) to make biologic packing material (14) and swing pipe (15) be suspended in inside, anaerobically fermenting pond (16).
6. a kind of novel all-in-one anaerobic ferment devices according to claim 1, is characterized in that: described sludge gas collecting device comprises collecting methane pipe (10), biogas pressure relief device (12),
Described collecting methane pipe (10) is perforation pvc pipe, and its one end adopts slip to be fixed on the side slope top of high-density HDPE antiseepage counterdie (4), and is positioned at the below of unsteady overlay film (3); Described collecting methane pipe (10) is connected with biogas pressure relief device (12) by biogas transport pipe (11).
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| CN201420237739.XU CN203807469U (en) | 2014-05-09 | 2014-05-09 | Novel integrated anaerobic fermentation device |
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| CN201420237739.XU CN203807469U (en) | 2014-05-09 | 2014-05-09 | Novel integrated anaerobic fermentation device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401634A (en) * | 2014-11-20 | 2015-03-11 | 北京京鹏环宇畜牧科技股份有限公司 | Livestock and poultry feces storage system based on seepage-proof evaporation-proof technology and storage method of livestock and poultry feces storage system |
| CN105199943A (en) * | 2015-09-09 | 2015-12-30 | 方青海 | Dual-purpose pool of black film biogas producing and liquid storing |
| CN105296342A (en) * | 2015-11-30 | 2016-02-03 | 周伟萌 | Anaerobic treatment device |
| CN107904148A (en) * | 2017-12-27 | 2018-04-13 | 滦南富瑞慈新能源科技有限公司 | A kind of greenhouse biogas engineering improves the method and special equipment of fermentation temperature |
| CN108128894A (en) * | 2017-12-25 | 2018-06-08 | 山东省农业科学院农业资源与环境研究所 | A kind of milk cow and pig breeding farm waste low-cost high-efficiency fermentation process system |
| CN109593648A (en) * | 2018-12-14 | 2019-04-09 | 中国农业大学烟台研究院 | A soft anaerobic fermentation system |
| CN113354465A (en) * | 2021-07-27 | 2021-09-07 | 陕西果业集团延安有限公司吴起果树试验场 | Multifunctional organic fertilizer fermentation tank |
-
2014
- 2014-05-09 CN CN201420237739.XU patent/CN203807469U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401634A (en) * | 2014-11-20 | 2015-03-11 | 北京京鹏环宇畜牧科技股份有限公司 | Livestock and poultry feces storage system based on seepage-proof evaporation-proof technology and storage method of livestock and poultry feces storage system |
| CN104401634B (en) * | 2014-11-20 | 2016-08-24 | 北京京鹏环宇畜牧科技股份有限公司 | Livestock and poultry feces based on antiseepage vaporization prevention technology storage system and storage method thereof |
| CN105199943A (en) * | 2015-09-09 | 2015-12-30 | 方青海 | Dual-purpose pool of black film biogas producing and liquid storing |
| CN105296342A (en) * | 2015-11-30 | 2016-02-03 | 周伟萌 | Anaerobic treatment device |
| CN108128894A (en) * | 2017-12-25 | 2018-06-08 | 山东省农业科学院农业资源与环境研究所 | A kind of milk cow and pig breeding farm waste low-cost high-efficiency fermentation process system |
| CN107904148A (en) * | 2017-12-27 | 2018-04-13 | 滦南富瑞慈新能源科技有限公司 | A kind of greenhouse biogas engineering improves the method and special equipment of fermentation temperature |
| CN109593648A (en) * | 2018-12-14 | 2019-04-09 | 中国农业大学烟台研究院 | A soft anaerobic fermentation system |
| CN113354465A (en) * | 2021-07-27 | 2021-09-07 | 陕西果业集团延安有限公司吴起果树试验场 | Multifunctional organic fertilizer fermentation tank |
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