CN107937269B - Environment-friendly high temperature biogas fermentation system - Google Patents
Environment-friendly high temperature biogas fermentation system Download PDFInfo
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- CN107937269B CN107937269B CN201810036395.9A CN201810036395A CN107937269B CN 107937269 B CN107937269 B CN 107937269B CN 201810036395 A CN201810036395 A CN 201810036395A CN 107937269 B CN107937269 B CN 107937269B
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Abstract
The invention relates to the technical field of biogas fermentation, in particular to an environment-friendly high-temperature biogas fermentation system. The device comprises a box body, a temperature sensor, a cover plate, a rubber sealing ring, a rotating module, a power generation module, a connecting module and a fermentation module; a temperature sensor is arranged in the box body, and a rubber sealing ring and a cover plate are arranged at the top of the box body; a rotating module and a power generation module are arranged above the cover plate, and a connecting module and a fermentation module are arranged in the box body; when wind-force is less, the device drives the fermentation module through rotating module and linking module and ferments the inside fermentation thing of box, and when wind-force is great, thereby can also rotate the motor shaft that drives among the power generation module through driving a gear and No. two gears rotation in the rotation module and rotate and generate electricity when fermenting the inside fermentation thing of box, the device simple structure, make full use of external wind-force lets fermentation system carry out work, resources are saved, high-usage.
Description
Technical Field
The invention relates to the technical field of biogas fermentation, in particular to an environment-friendly high-temperature biogas fermentation system.
Background
The biogas can be changed into valuable, and the problem of rural fuel is solved; the forest resource can be protected, the methane is used as a high-quality energy source, the domestic energy of farmers can be solved, the shortage situation of rural energy sources is relieved, the deforestation and vegetation damage of the farmers are reduced, and the forest resource protection and recovery are facilitated; the late strength of agricultural development can be enhanced, the content of nitrogen, phosphorus and potassium elements in the biogas fertilizer is higher than that of the common manure pit, the crop absorption utilization rate and the yield increase rate can be improved, the use amount of pesticides and fertilizers in agricultural production can be reduced, and the effects of increasing soil organic matters and loosening soil are achieved; the ecological environment is protected, the constructed biogas pool changes the environmental sanitation condition of rural areas in a short time with low investment, the problem of environmental pollution caused by the aquaculture industry is solved, the village appearance of the rural areas is changed, the living environment of people is improved, the water resource quality is improved, the epidemic disease infection source is blocked, the health of farmers is guaranteed, and the ecological environment protection capability is enhanced.
The crop straw is one of the main raw materials for biogas fermentation, according to statistics of Ministry of agriculture, the yield of Chinese grains exceeds 5 hundred million tons for the first time in 2007, the total yield of the grains reaches 10928 hundred million jin in 2010, the yield of the crop straw is synchronously increased while the yield of the grains is continuously increased for seven years, according to estimation, the annual collectable resource amount of the crop straw in China is 6.87 hundred million tons, and more than three crops of straw are idle every year. Although many supporting measures are provided in various places, the current situation that a large amount of crop straws are left unused and discarded cannot be solved, the resource waste is caused, and meanwhile, the environment is seriously polluted. The straw biogas adopts the straw anaerobic bacteria fermentation principle, takes the straw as the main biogas fermentation raw material, and basically does not need to change the structure of the household livestock and poultry manure biogas digester. At present, the representative technical process flow of straw biogas production is as follows: crushing crop straws → wetting by adding water → adding straw fermentation treatment microbial inoculum, ammonium bicarbonate and water → retting fermentation pretreatment → observing the growth condition of hyphae → bagging → entering a pool → adding inoculum (methanogen liquid or biogas residue liquid, various sludge and ammonium bicarbonate) → mixing by adding water → starting (air release) of a pool sealing cover → using. Compared with the traditional biogas technology using livestock and poultry manure as a fermentation principle, the straw biogas has the advantages of high gas production rate, long gas production duration (one-time feeding of the straw biogas digester lasts for 180 days), large combustion heat value and convenient operation, protects the environment, produces high-quality fertilizer, breaks through the limitation of livestock and poultry manure as the biogas fermentation principle, and opens up an optimal way for comprehensive utilization of the straw. However, in the actual use process, the straws contain a large amount of cellulose, and are difficult to completely decompose in the fermentation process, and a pre-cutting crushing process is mostly used in the prior art, so that special crushing equipment is required to be configured, the cost is increased, and even if the crushed straws still have short fibers in the biogas residues after fermentation use, the fibers can be accumulated and wound, and float upwards to generate caking, so that the biogas accumulation is hindered, and the utilization rate of raw materials is low; the method has the important problem that the slag discharging vehicle used in the traditional livestock and poultry excrement methane tank is in a strong suction type, and if the slag discharging vehicle is used for deslagging the straw methane tank, the blockage phenomenon is easy to occur, and the discharging and refueling requirements of the straw methane tank are difficult to adapt.
In order to solve the above problems, a chinese patent with application number 201410037298.3 discloses a straw biogas fermentation system, the main structure of the fermentation tank comprises a fermentation tank, a feeding pipe and a biogas pipe which are arranged at the top of the fermentation tank, a slag discharge port is arranged at the bottom of the fermentation tank, the tank body of the fermentation tank is of a double-layer three-section type cylindrical structure, because the feeding and pressing device is arranged, the floating and caking of the biogas residues can be effectively prevented, so that the raw materials such as straws and the like can be directly put into the fermentation tank for fermentation, the problem that the straws in the existing biogas digester or biogas system need to be provided with special crushing equipment is solved, and the short fibers remained in the crushed straws are accumulated and wound after fermentation, and then float upwards to generate agglomeration, so that the biogas accumulation is hindered, the utilization rate of raw materials is low and the like, however, the system device has a complex structure, high energy consumption, and no large-area popularization, and has certain limitation.
Disclosure of Invention
In order to make up the defects of the prior art, the environment-friendly high-temperature biogas fermentation system is mainly used for biogas fermentation under the high-temperature condition, so that the full utilization of resources is realized, the device can be simplified, the fan is driven to rotate by external natural wind, the fan drives the heating plate and the microorganism attachment plate to rotate in the box body by driving the rotating shaft, the attachment efficiency of microorganisms is improved, and meanwhile, the fermentation efficiency is improved by promoting the fermentation of microorganisms on the microorganism attachment plate by the mutual matching of the heating plate and the microorganism attachment plate and increasing the temperature in the box body.
The technical scheme adopted by the invention for solving the technical problems is as follows: an environment-friendly high-temperature biogas fermentation system comprises a box body, a temperature sensor, a cover plate, a rubber sealing ring, a rotating module, a power generation module, a connecting module and a fermentation module, wherein the box body is cylindrical, and the temperature sensor is arranged on the inner wall of the box body, so that the temperature sensor is favorable for artificially controlling the environment temperature in the box body to ensure that the fermentation process is at a proper temperature; a cover plate is horizontally arranged at the top of the box body, the cover plate is disc-shaped, and an air outlet is formed in the cover plate; a rubber sealing ring is arranged at the contact position of the cover plate and the box body, and can prevent air from entering the box body to influence the fermentation effect; the rotating module is positioned on the left side of the air outlet; the right side of the rotating module is provided with a power generation module which provides electric energy for the whole fermentation system; a connecting module is arranged below the cover plate; and a fermentation module is arranged below the connecting module and used for fermenting the methane in the tank body.
The rotating module comprises a first rotating shaft, a support, a third rotating shaft, a first electromagnetic coupler, a cross bar, a fan, a first gear and a second gear, the first rotating shaft and the support are vertically arranged above the cover plate, the support is a cylinder, and the support is positioned on the right side of the first rotating shaft; the bottom of the first rotating shaft is vertically provided with a third rotating shaft, and the third rotating shaft is connected with the bottom of the first rotating shaft through a first electromagnetic coupler; a cross bar is horizontally arranged at the top end of the first rotating shaft, the center of the cross bar is arranged on the first rotating shaft, and fans are arranged at the left end and the right end of the cross bar; a first gear is horizontally arranged in the middle of the first rotating shaft; a second gear is horizontally arranged above the support, the second gear is located on the right side of the first gear, and the second gear is meshed with the first gear.
The power generation module comprises a power generator, a second rotating shaft, a second electromagnetic coupler, a storage battery and a solar panel, wherein the power generator is arranged above the second gear and comprises a motor shaft, the second rotating shaft is vertically arranged below the second gear and is a cylinder, and the top end of the second rotating shaft penetrates through the second gear and is connected with the motor shaft through the second electromagnetic coupler; the top of the cover plate is provided with a storage battery, and when the wind power is large, the storage battery can collect the electric energy generated by the generator driven by the rotation of the fan; the solar cell panel is arranged on the right side of the box body and located on the ground, and solar radiation energy is directly or indirectly converted into electric energy through a photoelectric effect or a chemical effect to be stored through sunlight absorption by the solar cell panel.
The connecting module comprises a cam, a push rod, an air supply cylinder, a compression spring and a hose, the cam is horizontally arranged on the lower half part of the first rotating shaft, the push rod is horizontally arranged on the right side of the cam, and the left end of the push rod is in contact with the cam; the right side of the push rod is provided with an air supply cylinder, the air supply cylinder is arranged on the lower surface of the cover plate, the push rod is sleeved with a compression spring, and the push rod is fixed at the end part of a piston rod of the air supply cylinder; the right end of the air supply cylinder is connected with the air outlet through a hose; when the farthest point of the cam is close to the push rod, the push rod pushes the piston rod and the piston to move rightwards in the air supply cylinder, the compression spring is compressed, and the air supply cylinder discharges the biogas from the air outlet through the hose; when the closest point of the cam is far away from the push rod, the compression spring resets, the push rod drives the piston rod and the piston to move leftwards, when wind power is small, the wind speed drives the fan to rotate, the fan drives the first rotating shaft to rotate, the first rotating shaft drives the second rotating shaft to drive the cam to rotate, and the cam drives the fermentation module to rotate so as to fully mix microorganisms in the box body and facilitate fermentation; when the wind power is large, the power generation module converts the solar radiation energy into electric energy to be stored while the fermentation module works.
The fermentation module comprises a connecting rod, a swing rod, a heating plate, a spring, a connecting plate and a microorganism attachment plate, and the center of the push rod is vertically downwards connected with the connecting rod; the bottom end of the connecting rod is horizontally connected with a swing rod, heating plates are vertically arranged below the swing rod at equal intervals, the tops of the heating plates are hinged with the swing rod, and the bottoms of the heating plates are arranged at the bottom of the inner layer of the box body through springs; the left side and the right side of the heating plate are respectively symmetrically and horizontally provided with a connecting plate; and a microorganism attachment plate is vertically arranged on the connecting plate and used for attachment of microorganisms in the box body.
The invention has the beneficial effects that:
1. the invention has simple structure and lower cost, and can fully mix and ferment the raw materials in the box body by mutually matching the rotating module, the power generation module, the connecting module and the fermentation module, thereby improving the efficiency of microbial fermentation.
2. The temperature sensor can detect the fermentation environment temperature in the box body, so that the temperature in the box body is at the most suitable fermentation temperature, and the microbial fermentation time can be shortened.
3. According to the invention, the heating plate and the microorganism adhesion layer are adopted, and the heating plate is connected with the telescopic rod of the air feeding cylinder through the swing rod, so that the back-and-forth swing of the heating plate can be realized, and the microorganism fermentation speed is increased.
4. The wind energy is converted into the electric energy for utilization by arranging the power generation module, so that the wind energy generator is environment-friendly and efficient, and is beneficial to saving energy.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
in the figure: the device comprises a box body 1, a temperature sensor 2, a cover plate 3, a rubber sealing ring 4, a rotating module 5, a power generation module 6, a connecting module 7, a fermentation module 8, an air outlet 31, a first rotating shaft 51, a third rotating shaft 57, a first electromagnetic coupling 58, a support 52, a cross rod 53, a fan 54, a first gear 55, a second gear 56, a power generator 61, a second rotating shaft 62, a second electromagnetic coupling 63, a storage battery 64, a solar cell panel 65, a motor shaft 611, a cam 71, a push rod 72, an air feeding cylinder 73, a compression spring 75, a hose 74, a connecting rod 81, a swing rod 82, a heating plate 83, a spring 84, a connecting plate 85 and a microorganism attachment plate 86.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the following embodiments.
As shown in fig. 1 and 2, the environment-friendly high-temperature biogas fermentation system comprises a box body 1, a temperature sensor 2, a cover plate 3, a rubber sealing ring 4, a rotating module 5, a power generation module 6, a connecting module 7 and a fermentation module 8, wherein the box body 1 is cylindrical, and the temperature sensor 2 is arranged on the inner wall of the box body 1, so that the internal environment temperature of the box body 1 can be controlled manually, and the fermentation process can be at an appropriate temperature; a cover plate 3 is horizontally arranged at the top of the box body 1, the cover plate 3 is disc-shaped, and an air outlet 31 is formed in the cover plate 3; a rubber sealing ring 4 is arranged at the contact position of the cover plate 3 and the box body 1, and the rubber sealing ring 4 can prevent air from entering the box body 1 to influence the fermentation effect; the rotating module 5 is positioned at the left side of the air outlet 31; the right side of the rotating module 5 is provided with a power generation module 6, and the power generation module 6 provides electric energy for the whole fermentation system; a connecting module 7 is arranged below the cover plate 3; and a fermentation module 8 is arranged below the connecting module 7, and the fermentation module 8 is used for fermenting the methane in the box body 1.
The rotating module 5 comprises a first rotating shaft 51, a third rotating shaft 57, a first electromagnetic coupler 58, a support 52, a cross bar 53, a fan 54, a first gear 55 and a second gear 56, the first rotating shaft 51 and the support 52 are vertically arranged above the cover plate 3, the support 52 is a cylinder, and the support 52 is positioned on the right side of the first rotating shaft 51; a third rotating shaft 57 is vertically arranged at the bottom of the first rotating shaft 51, and the third rotating shaft 57 is connected with the bottom of the first rotating shaft 51 through a first electromagnetic coupling 58; a cross bar 53 is horizontally arranged at the top end of the first rotating shaft 51, the center of the cross bar 53 is arranged on the first rotating shaft 51, and fans 54 are respectively arranged at the left end and the right end of the cross bar 53; a first gear 55 is horizontally arranged in the middle of the first rotating shaft 51; a second gear 56 is horizontally arranged above the support 52, the second gear 56 is positioned on the right side of the first gear 55, and the second gear 56 is meshed with the first gear 55.
The power generation module 6 comprises a power generator 61, a second rotating shaft 62, a second electromagnetic coupling 63, a storage battery 64 and a solar panel 65, wherein the power generator 61 is arranged above the second gear 56, the power generator 61 comprises a motor shaft 611, the second rotating shaft 62 is vertically arranged below the second gear 56, the second rotating shaft 62 is a cylinder, and the top end of the second rotating shaft 62 penetrates through the second gear 56 and is connected with the motor shaft 611 through the second electromagnetic coupling 63; the top of the cover plate 3 is provided with a storage battery 64, and when the wind power is large, the storage battery 64 can collect the electric energy generated by the generator 61 driven by the rotation of the fan 54; the solar cell panel 65 is arranged on the right side of the box body 1, the solar cell panel 65 is located on the ground, and the solar cell panel 65 absorbs sunlight to directly or indirectly convert solar radiation energy into electric energy through a photoelectric effect or a chemical effect to be stored.
The connecting module 7 comprises a cam 71, a push rod 72, an air feeding cylinder 73, a compression spring 75 and a hose 74, wherein the cam 71 is horizontally arranged at the lower half part of the first rotating shaft 51; a push rod 72 is horizontally arranged on the right side of the cam 71, and the left end of the push rod 72 is in contact with the cam 71; an air feeding cylinder 73 is arranged on the right side of the push rod 72, the air feeding cylinder 73 is installed on the lower surface of the cover plate 3, a compression spring 75 is sleeved on the push rod 72, and the push rod 72 is fixed at the end part of a piston rod of the air feeding cylinder 73; the right end of the air feeding cylinder 73 is connected with the air outlet 31 through a hose 74; when the farthest point of the cam 71 is close to the push rod 72, the push rod 72 pushes the piston rod and the piston to move rightwards in the air feeding cylinder 73, the compression spring 75 is compressed, and the air feeding cylinder discharges the biogas from the air outlet 31 through the hose 74; when the closest point of the cam 71 is far away from the push rod 72, the compression spring 75 is reset, the push rod 72 drives the piston rod and the piston to move leftwards, when the wind power is small, the wind speed drives the fan 54 to rotate, the fan 54 drives the first rotating shaft 51 to rotate, the first rotating shaft 51 drives the second rotating shaft 62 to drive the cam 71 to rotate, and the cam 71 drives the fermentation module 8 to rotate to fully mix the microorganisms in the box body 1 so as to facilitate fermentation; when the wind power is large, the fermentation module 8 works and the power generation module 6 also converts the solar radiation energy into electric energy to be stored.
The fermentation module 8 comprises a connecting rod 81, a swing rod 82, a heating plate 83, a spring 84, a connecting plate 85 and a microorganism attachment plate 86, and the center of the push rod 72 is vertically connected with the connecting rod 81 downwards; the bottom end of the connecting rod 81 is horizontally connected with a swing rod 82; heating plates 83 are vertically arranged below the swing rod 82 at equal intervals; the top of the heating plate 83 is hinged with the swing rod 82, the bottom of the heating plate 83 is installed at the bottom of the inner layer of the box body 1 through a spring 84, and the left side and the right side of the heating plate 83 are respectively symmetrically and horizontally provided with connecting plates 85; the connecting plate 85 is vertically provided with a microorganism attaching plate 86, and the microorganism attaching plate 86 is used for attaching microorganisms inside the box body 1.
The working process is as follows:
the device is firstly placed in a pit, fermented materials are placed in the box body 1, and the cover plate 3 is covered.
When the wind power is small, the first electromagnetic coupling 58 is turned on, the second electromagnetic coupling 63 is turned off, the fan 54 is driven to rotate by the wind speed, the first rotating shaft 51 is driven to rotate by the fan 54, the first rotating shaft 51 drives the second rotating shaft 62 to drive the cam 71 to rotate, the cam 71 drives the fermentation module 8 to rotate to fully mix the microorganisms in the box body 1, and the microorganisms in the box body 1 can be attached to the microorganism attachment plate 86 to be fermented; when the closest point of the cam 71 is far away from the push rod 72, the compression spring 75 is reset, and the push rod 72 drives the piston rod and the piston to move leftwards; when the farthest point of the cam 71 approaches the push rod 72, the push rod 72 pushes the piston rod and the piston to move to the right in the air feeding cylinder 73, the compression spring 75 is compressed, and the air feeding cylinder discharges the biogas from the air outlet 31 through the hose 74.
When the wind power is large, the first electromagnetic coupling 58 and the second electromagnetic coupling 63 are started, the fan 54 is driven to rotate by the wind speed, the first rotating shaft 51 is driven to rotate by the fan 54, the first rotating shaft 51 drives the second rotating shaft 62 to drive the cam 71 to rotate, the cam 71 drives the fermentation module 8 to rotate to fully mix the microorganisms in the box body 1, and the microorganisms in the box body 1 can be attached to the microorganism attachment plate 86 to be fermented; when the closest point of the cam 71 is far away from the push rod 72, the compression spring 75 is reset, and the push rod 72 drives the piston rod and the piston to move leftwards; when the farthest point of the cam 71 is close to the push rod 72, the push rod 72 pushes the piston rod and the piston to move rightwards in the air feeding cylinder 73, the compression spring 75 is compressed, and the air feeding cylinder discharges the biogas from the air outlet 31 through the hose 74; meanwhile, the first rotating shaft 51 drives the first gear 55 to rotate by wind power, the first gear 55 drives the second gear 56 to rotate, the second gear 56 drives the second electromagnetic coupler 63 and the motor shaft 611 to rotate by driving the second rotating shaft 62, and the motor shaft 611 rotates to generate electricity so as to be convenient to use.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. An environment-friendly high-temperature biogas fermentation system is characterized in that: the fermentation tank comprises a tank body (1), a temperature sensor (2), a cover plate (3), a rubber sealing ring (4), a rotating module (5), a power generation module (6), a connecting module (7) and a fermentation module (8), wherein the tank body (1) is cylindrical, the temperature sensor (2) is installed on the inner wall of the tank body (1), and the temperature sensor (2) is favorable for artificially controlling the internal environment temperature of the tank body (1) to enable the fermentation process to be at an appropriate temperature; a cover plate (3) is horizontally arranged at the top of the box body (1), the cover plate (3) is disc-shaped, and an air outlet (31) is formed in the cover plate (3); a rubber sealing ring (4) is arranged at the contact position of the cover plate (3) and the box body (1), and the rubber sealing ring (4) prevents air from entering the box body (1) to influence the fermentation effect; the rotating module (5) is positioned at the left side of the air outlet (31); the right side of the rotating module (5) is provided with a power generation module (6), and the power generation module (6) provides electric energy for the whole fermentation system; a connecting module (7) is arranged below the cover plate (3); a fermentation module (8) is arranged below the connecting module (7), and the fermentation module (8) is used for fermenting the methane in the box body (1);
the rotating module (5) comprises a first rotating shaft (51), a support (52), a third rotating shaft (57), a first electromagnetic coupler (58), a cross rod (53), a fan (54), a first gear (55) and a second gear (56), the first rotating shaft (51) and the support (52) are vertically arranged above the cover plate (3), the support (52) is a cylinder, and the support (52) is positioned on the right side of the first rotating shaft (51); a third rotating shaft (57) is vertically arranged at the bottom of the first rotating shaft (51), and the third rotating shaft (57) is connected with the bottom of the first rotating shaft (51) through a first electromagnetic coupling (58); a cross bar (53) is horizontally arranged at the top end of the first rotating shaft (51), the center of the cross bar (53) is arranged on the first rotating shaft (51), and fans (54) are arranged at the left end and the right end of the cross bar (53); a first gear (55) is horizontally arranged in the middle of the first rotating shaft (51); a second gear (56) is horizontally arranged above the support (52), the second gear (56) is positioned on the right side of the first gear (55), and the second gear (56) is meshed with the first gear (55);
the power generation module (6) comprises a power generator (61), a second rotating shaft (62), a second electromagnetic coupling (63), a storage battery (64) and a solar panel (65), wherein the power generator (61) is arranged on the upper surface of the second gear (56), the power generator (61) comprises a motor shaft (611), the second rotating shaft (62) is vertically arranged below the second gear (56), the second rotating shaft (62) is a cylinder, and the top end of the second rotating shaft (62) penetrates through the second gear (56) and is connected with the motor shaft (611) through the second electromagnetic coupling (63); the top of the cover plate (3) is provided with a storage battery (64), and the storage battery (64) can collect electric energy generated by the generator (61) driven by the rotation of the fan (54); the solar cell panel (65) is arranged on the right side of the box body (1), the solar cell panel (65) is positioned on the ground, and the solar cell panel (65) directly or indirectly converts solar radiation energy into electric energy through a photoelectric effect or a chemical effect by absorbing sunlight and stores the electric energy;
the connecting module (7) comprises a cam (71), a push rod (72), an air feeding cylinder (73), a compression spring (75) and a hose (74), and the cam (71) is horizontally arranged at the lower half part of the first rotating shaft (51); a push rod (72) is horizontally arranged on the right side of the cam (71), and the left end of the push rod (72) is in contact with the cam (71); an air feeding cylinder (73) is arranged on the right side of the push rod (72), the air feeding cylinder (73) is installed on the lower surface of the cover plate (3), a compression spring (75) is sleeved on the push rod (72), and the push rod (72) is fixed at the end part of a piston rod of the air feeding cylinder (73); the right end of the air feeding cylinder (73) is connected with the air outlet (31) through a hose (74);
the fermentation module (8) comprises a connecting rod (81), a swing rod (82), a heating plate (83), a spring (84), a connecting plate (85) and a microorganism attachment plate (86), the center of the push rod (72) is vertically and downwards connected with the connecting rod (81), and the bottom end of the connecting rod (81) is horizontally connected with the swing rod (82); heating plates (83) are vertically arranged below the swing rod (82) at equal intervals; the top of the heating plate (83) is hinged with the swing rod (82), the bottom of the heating plate (83) is installed at the bottom of the inner layer of the box body (1) through a spring (84), and the left side and the right side of the heating plate (83) are respectively symmetrically and horizontally provided with a connecting plate (85); the connecting plate (85) is vertically provided with a microorganism attaching plate (86), and the microorganism attaching plate (86) is used for attaching microorganisms in the box body (1).
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| CN105441322A (en) * | 2015-12-15 | 2016-03-30 | 成都迅德科技有限公司 | Novel biogas stirring device |
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| DE102009018126A1 (en) * | 2009-04-09 | 2010-10-14 | Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg | Energy supply system and operating procedures |
| CN204111763U (en) * | 2014-09-12 | 2015-01-21 | 余卫国 | A kind of methane-generating pit with wind-solar generation device |
| CN204511779U (en) * | 2015-03-31 | 2015-07-29 | 中国石油大学(华东) | A kind of high ferro Wind Power Utilization electricity generating device along the line |
| CN105349415A (en) * | 2015-11-16 | 2016-02-24 | 山东圣地电力自动化有限公司 | Solar- and wind-driven generating synergism system of methane tank |
| CN105441322A (en) * | 2015-12-15 | 2016-03-30 | 成都迅德科技有限公司 | Novel biogas stirring device |
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