CN107574114B - Hydraulic methane tank capable of automatically feeding and discharging materials and automatic feeding and discharging method thereof - Google Patents
Hydraulic methane tank capable of automatically feeding and discharging materials and automatic feeding and discharging method thereof Download PDFInfo
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- CN107574114B CN107574114B CN201710647218.XA CN201710647218A CN107574114B CN 107574114 B CN107574114 B CN 107574114B CN 201710647218 A CN201710647218 A CN 201710647218A CN 107574114 B CN107574114 B CN 107574114B
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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
Abstract
The invention relates to a hydraulic methane tank with automatic feeding and discharging and an automatic feeding and discharging method thereof, belonging to the field of renewable energy fermentation, comprising a fermentation tank, a feeding pipe and a hydraulic chamber which are communicated with the fermentation tank, and an automatic feeding and discharging device which traverses the feeding pipe, the fermentation tank and the hydraulic chamber, wherein the automatic feeding and discharging device comprises a pipe chain type conveying belt and a driving device; the pipe chain type conveying belt comprises a conveying pipe and a transmission chain, and the driving device drives the transmission chain to transmit; the pipe chain type conveying belt is extruded to form a first bending end and a second bending end, the first bending end is clamped at the communication position of the fermentation tank and the feeding pipe, and a feeding hole is formed in the first bending end; a driving device is arranged inside the second bending end, and a discharge hole is formed outside the second bending end; the conveying pipe is provided with micropores. The biogas digester not only effectively relieves the dependence of the feeding and discharging of the household biogas digester on the green and strong labor, but also expands the sources of biogas fermentation materials by utilizing the straws, simultaneously reduces the environmental pollution caused by straw burning, and plays an important role in energy conservation and emission reduction.
Description
Technical Field
The invention relates to the technical field of renewable energy fermentation, in particular to a hydraulic methane tank capable of automatically feeding and discharging materials and an automatic feeding and discharging method thereof.
Background
The biogas is a combustible gas generated by decomposing organic substances through microbial fermentation under the conditions of certain temperature, humidity and pH value in an anaerobic environment, the biogas fermentation is widely existed in natural environments such as lake and marsh open toilets and the like, but with the development of society, people continuously try to artificially prepare the biogas by building a biogas pool, which is particularly common in vast rural areas, and the biogas is generated by fermenting domestic garbage, human and animal excreta and the like, and the prepared biogas can be used for production and life, so that not only can energy be saved, but also the rural environment can be improved. With the development of the Chinese biogas science and technology and the popularization of the biogas digester with three-in-one and four-in-one for rural households, the biogas digester is widely popularized in rural areas at present and is a hydraulic biogas digester, which is the earliest tank type and the largest number in the prior art, and has the advantages of reasonable stress, simple structure, convenient construction, strong adaptability, local materials, low cost and the like. However, both the national standard methane tank and the hydraulic methane tank of various modifications have the problems of easy crusting of scum in the tank, low utilization rate of fermentation materials, high labor intensity of feeding and discharging, and the like. In addition, in recent years, along with the shortage of rural labor force caused by the fact that a large amount of rural young and middle-aged labor force goes out of service workers in urbanization, old, weak, women and children participate in the maintenance and management of the traditional biogas digester, and particularly, safety accidents occur in the process of large discharging; and with the intensification of construction and culture in new rural areas, the shortage of biogas fermentation materials such as human and livestock manure and the like is caused, so that a large number of household biogas digesters are in a semi-waste state.
Meanwhile, crop straws are used as the most abundant byproducts in agricultural production, household appliances and coal gas are increasingly widely used along with the improvement of living standard, the demand on firewood is reduced, and a large amount of straws are left. The cost of the existing straw treatment mode is too high, and the seeding of crops in the next season is influenced. The straw burning in situ becomes an inexhaustible choice, which not only causes resource waste, but also brings serious environmental pollution problems. If the straws and the biogas can be effectively combined to develop the household biogas, renewable high-quality biomass resources are saved, and the environment is protected, but if the straws are put into the hydraulic biogas digester for reaction by a conventional fecal fermentation method, the straws are easy to float, can not be completely fermented, are difficult to slag and the like.
Disclosure of Invention
Aiming at the defects of the existing methane tank and the bottleneck of straw recycling, the invention provides the hydraulic methane tank with automatic feeding and discharging and the automatic feeding and discharging method thereof, which not only effectively relieve the dependence of the feeding and discharging of the household methane tank on the labor force of young and old people, but also enlarge the sources of methane fermentation materials by utilizing the straws, simultaneously reduce the environmental pollution caused by the burning of crop straws and play an important role in energy conservation and emission reduction.
The utility model provides an automatic hydraulic pressure formula methane-generating pit of business turn over material, includes fermentation vat and with fermentation vat cell body communicating inlet pipe and water pressure room, its characterized in that: an automatic feeding and discharging device which transversely penetrates through a feeding pipe, a fermentation tank and a water pressure chamber is arranged in the methane tank, and the automatic feeding and discharging device comprises an annular pipe chain type conveying belt and a driving device fixed on the outer side wall of the water pressure chamber; the pipe chain type conveying belt comprises a conveying pipe and a transmission chain which is arranged in the conveying pipe in a penetrating mode, and the transmission chain is driven to transmit through a driving device; the pipe chain type conveying belt is extruded to form a first bending end and a second bending end, the first bending end is clamped at the communication position of the fermentation tank and the feeding pipe and enables the pipe chain type conveying belt to be communicated with the feeding pipe through a feeding hole formed in the conveying pipe, a driving device is arranged inside the second bending end, and a discharging hole is formed outside the second bending end; the conveying pipe of the pipe chain type conveying belt is provided with micropores capable of dispersing and overflowing methane.
Furthermore, the driving device comprises a directional gear fixed on the outer side wall of the water pressure chamber, a lever connected with a central shaft of the one-way gear and a floating ball connected to the free end of the lever; the directional gear is meshed with a transmission chain of the pipe chain type conveying belt, and the one-way gear converts buoyancy of the floating ball expanded by the lever into power to drive the transmission chain to transmit.
Furthermore, the one-way gear comprises 6 gear teeth, and each gear tooth is provided with a pin seat used for meshing the transmission chain.
Furthermore, the driving chain is composed of a plurality of chains connected end to end, a plurality of driving plates are arranged on the driving chain at equal intervals, and the driving plates are attached to the inner wall of the conveying pipe and move along with the driving chain.
Furthermore, the lever and the floating ball are both positioned in the water pressure chamber, and floating ball buoyancy is generated by the lifting of the liquid level in the water pressure chamber.
Furthermore, a communication chamber communicated with the water pressure chamber is arranged, the lever and the floating ball are positioned in the communication chamber, and floating ball buoyancy is generated by the lifting of the liquid level in the communication chamber.
Furthermore, the automatic feeding and discharging device is detachably arranged in the methane tank.
The invention also provides an automatic feeding and discharging method of the methane tank, which comprises the following steps: feeding the fermentation material fed from the feeding pipe into a pipe chain type conveying belt through a feeding hole; the liquid level of the feed liquid in the hydraulic chamber is lifted by utilizing the power of fermentation gas production and gas production of the hydraulic methane tank, a driving device drives a transmission chain in a pipe chain type conveying belt to carry out transmission, the fermented material passes through the fermentation tank, and methane generated by anaerobic fermentation overflows; the residual fermented materials are retained in the pipe chain type conveying pipe, move to the discharge port along with the conveying chain and are automatically released to the outside of the hydraulic methane tank, and the automatic feeding and discharging are completed.
Further, the automatic feeding and discharging method comprises the following steps:
a) adding feed liquid into the hydraulic methane tank, wherein the feed liquid in the fermentation tank, the feed pipe and the hydraulic pressure chamber is on the same horizontal plane;
b) gas production and use: when gas is produced, fermentation materials are added from the feeding pipe and enter the pipe chain type conveying belt through the feeding hole, the fermentation materials are subjected to anaerobic fermentation to produce biogas, the biogas overflows through micropores on the pipe chain type conveying belt, the biogas is continuously accumulated above feed liquid in the fermentation tank to generate pressure, when the pressure is higher than the atmospheric pressure, partial feed liquid in the fermentation tank is forced to enter the water pressure chamber or enter the communicating chamber through the water pressure chamber, the water level of the feed liquid in the water pressure chamber or the communicating chamber is raised, and the floating ball is raised along with the rise of the water level; when gas is used, methane is output, the pressure above the feed liquid in the fermentation tank is reduced, the water level of the feed liquid in the hydraulic pressure chamber or the communication chamber is reduced, and the floating ball is reduced along with the reduction of the water level;
c) along with repeated gas production or gas utilization, the floating ball makes ascending or descending movement, and the generated power is transmitted to the one-way gear through the lever; the unidirectional gear rotates directionally to drive the transmission chain of the conveying pipe chain type conveying belt to drive the fermentation materials to move forwards, the fermentation materials move to the discharge port to be discharged, the conveying chain is continuously driven to the feed port to participate in the next round of circulation, and automatic feeding and discharging are completed.
The invention has the beneficial effects that:
1. the methane tank is based on an automatic feeding and discharging device, the device is additionally provided with a floating ball-lever power driving device and a pipe chain type conveying belt on the basis of the original hydraulic pressure type methane tank, methane fermentation materials in the conveying pipe are driven to enter a fermentation tank from a feeding hole of the hydraulic pressure type methane tank by utilizing power generated by the lifting of the liquid level between the hydraulic pressures caused by the fermentation gas production and the gas consumption of the hydraulic pressure type methane tank to finish anaerobic fermentation gas production, and residual residues are discharged from a discharging hole along with the pipe chain type conveying belt to finish the automatic feeding and discharging of the methane tank, so that the labor intensity of household hydraulic pressure type methane tank management is reduced; in the process, renewable material raw materials such as excrement, straw and the like are sealed by the pipe chain type conveying belt to pass through the fermentation tank and are discharged out of the methane tank after fermentation and gas production, so that the deposition of methane fermentation raw materials in a fermentation room is reduced, the large discharging frequency is reduced, the methane service time is prolonged, and the tank capacity utilization rate and the fermentation efficiency are improved; in addition, fermentation raw materials such as excrement, straws and the like are integrally sealed under the liquid level to complete fermentation, so that the problem of low gas production efficiency caused by easy floating and crusting of the biogas fermentation raw materials such as excrement, straws and the like is solved; the biogas fermentation material is wrapped in the conveying pipe to complete fermentation and gas production, fermentation microorganisms are attached to the wall of the pipeline to fully contact with the fermentation material and move forward along with the fermentation material, and the phenomena of ' fermentation dead zone ', feed liquid short circuit ' and the like are reduced.
2. The automatic feeding and discharging method of the methane tank not only can solve the problem of dependence on labor force in the using and maintaining processes of the traditional methane tank, but also can expand the sources of methane fermentation materials by utilizing the straws, and utilize the straws in the methane tank for household use. Therefore, the comprehensive utilization of the straws can be enhanced, the environmental pollution caused by straw burning is reduced, the development of household biogas can be ensured, and the purposes of energy conservation and emission reduction are achieved.
Drawings
FIG. 1 is a schematic cross-sectional structure of a biogas digester according to embodiment 1;
FIG. 2 is a schematic cross-sectional view of the biogas digester in accordance with embodiment 2;
FIG. 3 is a schematic view of a hydraulic chamber after gas is used;
FIG. 4 is a schematic view of the hydraulic chamber after gas production;
FIG. 5 is a schematic view of the internal structure of the pipe chain conveyor;
FIG. 6 is a schematic view of the structure of the driving device;
wherein: 1. a fermentation tank; 2. a feed pipe; 3. a water pressure chamber; 4. an automatic feeding and discharging device; 5. a pipe chain conveyor belt; 51. a delivery pipe; 52. a drive chain; 521. a chain; 522. a drive plate; 6. a drive device; 61. a one-way gear; 611. gear teeth; 612. a pin boss; 62. a lever; 63. a floating ball; 7. a feed inlet; 8. a discharge port; 9. micropores; 10. a communication room; 11. a communicating vessel.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
A hydraulic pressure type methane tank with automatic feeding and discharging functions is shown in figure 1, and comprises a fermentation tank 1, a feeding pipe 2 and a hydraulic pressure chamber 3 which are communicated with a tank body of the fermentation tank 1, and an automatic feeding and discharging device 4 which traverses the feeding pipe 2, the fermentation tank 1 and the hydraulic pressure chamber 3, wherein the automatic feeding and discharging device 4 can be detached or installed in the methane tank according to conditions; the automatic feeding and discharging device 4 comprises a pipe chain type conveying belt 5 and a driving device 6; the pipe chain type conveyer belt 5 (shown in fig. 5) comprises a conveyer pipe 51 and a transmission chain 52 which is arranged in the conveyer pipe in a penetrating way; the transmission chain 52 is composed of a plurality of chains 521 connected end to end, a plurality of transmission plates 522 are equidistantly arranged on the transmission chain 52, and the transmission plates 522 are attached to the inner wall of the conveying pipe 51 and move along with the transmission chain 52; the driving device 6 (shown in fig. 6) comprises a one-way gear 61 fixed on the outer side wall of the water pressure room 3, a lever 62 connected with the central shaft of the one-way gear 61 and a floating ball 63 connected with the free end of the lever 62; the one-way gear 61 comprises 6 gear teeth 611, each gear tooth is provided with a pin seat 612, and the pin seat 612 penetrates through the conveying pipe 51 to be meshed with the transmission chain 52 in the conveying pipe 51; the lever 62 and the floating ball 63 are positioned in the water pressure chamber 3, the floating ball 63 can lift along with the lifting of the liquid level in the water pressure chamber 3 to generate buoyancy, the buoyancy is further expanded through the lever 62 and then transmitted to the one-way gear 61, and the one-way gear 61 drives the transmission chain 52 to transmit when stressed and rotated;
the pipe chain type conveyer belt 5 is extruded to form a first bending end and a second bending end, the first bending end is clamped at the communication position of the fermentation tank 1 and the feeding pipe 2 and enables the pipe chain type conveyer belt 5 to be communicated with the feeding pipe 2 through a feeding hole 7 arranged on the conveyer pipe 51, a driving device 6 is arranged inside the second bending end, and a discharging hole 8 is also arranged outside the second bending end; the conveying pipe 51 of the pipe chain type conveying belt 5 is provided with micropores 9 capable of dispersing and overflowing methane.
When the methane tank does not produce gas, the feed pipe 2, the fermentation tank 1 and the hydraulic pressure chamber 3 are on the same horizontal plane. When the fermented material enters from the feeding pipe 2, the fermented material directly enters the pipe chain type conveyer belt 5 through the feeding hole 7, the fermented material moves forward along with the transmission of the transmission chain 52, the fermented material enters the fermentation tank 1 for anaerobic fermentation reaction, biogas generated by microbial fermentation and decomposition overflows through the micropores 9 on the conveying pipe 51, the biogas rises to the gas storage room at the top of the fermentation tank 1, certain pressure is generated along with the continuous accumulation of the biogas, when the biogas pressure exceeds atmospheric pressure, part of feed liquid in the fermentation tank 1 of the biogas digester is forced to enter the water pressure room 3 communicated with the tank body by the continuously increased air pressure, the water level in the fermentation tank 1 drops, the water level in the water pressure room 3 rises, and the floating ball 63 in the water pressure room 3 rises along with the rise of the water level, as shown in figure 4.
When gas is used, biogas is output, the pressure of the gas storage room at the top of the fermentation tank 1 is gradually reduced, the feed liquid in the hydraulic room 3 flows back to the fermentation tank 1 to maintain new balance of internal and external pressure, the water level of the fermentation tank 1 rises, the water level of the hydraulic room 3 falls, and the floating ball 63 in the hydraulic room falls along with the fall of the water level, as shown in fig. 3. Therefore, the liquid level of the hydraulic chamber 3 is repeatedly lifted by continuously generating gas and using gas, the floating ball 63 is also repeatedly lifted, the buoyancy generated by the lifting of the floating ball 63 is transmitted to the one-way gear 61 through the lever 62, the one-way gear 61 is stressed to rotate so as to drive the transmission chain 52 to carry out transmission, the residual materials continuously move towards the discharge hole 8 along with the transmission chain 52, the residual materials are discharged when the residual materials move to the discharge hole 8, then the pipe chain type conveying belt 5 is empty, returns to the position of the feed hole 7 to receive a new round of fermented materials to continuously convey, and the process is repeated.
If the gas production is too little and the methane speed generated by the fermentation tank 1 cannot meet the gas production requirement, the water level of the fermentation tank 1 is gradually leveled with the water level of the water pressure chamber 3, and finally the pressure difference disappears and the methane stops being output.
Example 2
Example 2 the biogas digester (as shown in fig. 2) is substantially the same as that described in example 1, except that: a communicating chamber 10 is arranged, the communicating chamber 10 is communicated with the water pressure chamber 3 through a communicating vessel 10, the bottom surface of the communicating chamber 10 is the same as the bottom surface of the water pressure chamber 3 in height, one end of the communicating vessel 11 is arranged at the bottom of the communicating chamber 10, and the other end of the communicating vessel 11 is arranged at the bottom of the water pressure chamber 3. The floating ball 63 is positioned in the communicating chamber 10, and the lever 62 is bent to connect the floating ball 63 and the one-way gear 61 fixed on the outer side wall of the water pressure chamber 3. The other structures and the methods of use are the same as in example 1.
In the embodiment 1 or the embodiment 2, the power generated by the rising and falling of the floating ball drives the transmission chain to drive so as to realize automatic feeding and discharging, and in order to show that the power generated by the floating ball is enough to pull the transmission chain to carry out transmission, the following testifications are provided:
the hydraulic room takes the specification of 1.14m long and 0.57m wide as an example:
the bottom area of the water pressure room is 1.14 multiplied by 0.57 which is approximately equal to 0.64 square meter;
the methane consumption of five families per cooking is about 0.25 square meter;
equation of state of ideal gas
Considering the pressure intensity change of gas from the fermentation tank to the water pressure, V is approximately equal to 0.21 square meter;
the change h of the liquid level of the water pressure room is 0.21 ÷ 0.64 ≈ 0.33 m;
the diameter of a common floating ball is about 0.2m, and the buoyancy is about 40N;
using floating ball buoyancy as power:
the length of the power arm and the radius of the floating ball are 1 m;
the displacement X of the far branch point end of the power arm is h, cos theta is approximately equal to 0.3 m;
the one-way gear is stirred to rotate once;
power F at far pivot point end of power arm1＝FFloating body·cosθ≈35N；
The radius of the unidirectional gear is 0.08 m;
Fmovable part·lMovable part＝FResistance device·lResistance device
Making of transmission chains by unidirectional gearApproximately 43.8 kg of the object can be lifted vertically with force, while the fermented material moves obliquely and is buoyant in water, FPulling device438N, the power required for the movement of the conveyor chain can be provided.
It should be noted that the above embodiments are merely illustrative, and the protection scope of the present invention is not limited thereby, and those skilled in the art should understand that equivalent substitutions, modifications and variations can be made without departing from the principle and spirit of the present invention.
Claims (8)
1. The utility model provides an automatic hydraulic pressure formula methane-generating pit of business turn over material, includes fermentation vat (1) and with fermentation vat (1) communicating inlet pipe of cell body (2) and water pressure room (3), its characterized in that: the automatic feeding and discharging device (4) transversely penetrates through the feeding pipe (2), the fermentation tank (1) and the water pressure room (3), and the automatic feeding and discharging device (4) comprises an annular pipe chain type conveying belt (5) and a driving device (6) fixed on the outer side wall of the water pressure room (3); the pipe chain type conveying belt (5) comprises a conveying pipe (51) and a transmission chain (52) arranged in the conveying pipe in a penetrating mode, and the transmission chain (52) is driven to transmit through a driving device (6); the pipe chain type conveying belt (5) is extruded to form a first bending end and a second bending end, the first bending end is clamped at the communication position of the fermentation tank (1) and the feeding pipe (2) and enables the pipe chain type conveying belt (5) to be communicated with the feeding pipe (2) through a feeding hole (7) formed in the conveying pipe (51), a driving device (6) is arranged inside the second bending end, and a discharging hole (8) is formed outside the second bending end; micropores (9) capable of dispersing and overflowing methane are arranged on the conveying pipe (51) of the pipe chain type conveying belt (5);
the driving device (6) comprises a one-way gear (61) fixed on the outer side wall of the water pressure chamber (3), a lever (62) connected with a central shaft of the one-way gear (61) and a floating ball (63) connected to the free end of the lever (62); the one-way gear (61) is meshed with a transmission chain (52) of the pipe chain type conveying belt (5), and the one-way gear (61) converts buoyancy of a floating ball (63) expanded by the lever (62) into power to drive the transmission chain (52) to transmit.
2. The biogas digester as claimed in claim 1, wherein: the one-way gear (61) comprises 6 gear teeth (611), and each gear tooth is provided with a pin seat (612) for meshing with the transmission chain (52).
3. The biogas digester as claimed in claim 1, wherein: the transmission chain (52) is composed of a plurality of chains (521) connected end to end, a plurality of transmission plates (522) are arranged on the transmission chain (52) at equal intervals, and the transmission plates (522) are attached to the inner wall of the conveying pipe (51) and move along with the transmission chain (52).
4. The biogas digester as claimed in claim 1, wherein: the lever (62) and the floating ball (63) are both positioned in the water pressure chamber (3), and the buoyancy of the floating ball (63) is generated by the lifting of the liquid level in the water pressure chamber (3).
5. The biogas digester as claimed in claim 1, wherein: a communicating chamber (10) communicated with the water pressure chamber (3) is arranged; the lever (62) and the floating ball (63) are positioned in the communicating chamber (10), and the buoyancy of the floating ball (63) is generated by the lifting of the liquid level in the communicating chamber (10).
6. The biogas digester as claimed in any one of claims 1-5, characterized in that: the automatic feeding and discharging device (4) is detachably arranged in the methane tank.
7. The automatic feeding and discharging method for the biogas digester as claimed in claim 6, wherein: feeding the fermentation material fed from the feeding pipe (2) into a pipe chain type conveyer belt (5) through a feeding hole (7); the liquid level lifting power of the material in the water pressure chamber (3) caused by the fermentation and gas production of the water pressure type methane tank is utilized, the driving device (6) drives the transmission chain (52) in the pipe chain type conveying belt (5) to carry out transmission, the fermented material then passes through the fermentation tank (1), and the methane produced by anaerobic fermentation overflows; the residual fermented materials are retained in the pipe chain type conveying pipe (5), move to the discharge port (8) along with the conveying chain (52) and are automatically released to the outside of the hydraulic methane tank, and the automatic feeding and discharging are completed.
8. The automatic feeding and discharging method as set forth in claim 7, wherein: the method comprises the following steps:
a) adding feed liquid into the hydraulic methane tank to ensure that the feed liquid in the fermentation tank (1), the feed pipe (2) and the hydraulic room (3) is on the same horizontal plane;
b) gas production and use: during gas production, fermentation materials are added from the feeding pipe (2) and enter the pipe chain type conveying belt (5) through the feeding hole (7), the fermentation materials are subjected to anaerobic fermentation to generate methane, the methane overflows through micropores (9) on the pipe chain type conveying belt (5), the methane is continuously accumulated above feed liquid in the fermentation tank (1) to generate pressure, when the pressure is greater than atmospheric pressure, partial feed liquid in the fermentation tank (1) is forced to enter the water pressure chamber (3) or enter the communicating chamber (10) through the water pressure chamber (3), the water level of the feed liquid in the water pressure chamber (3) or the communicating chamber (10) is enabled to rise, and the floating ball (63) rises along with the rise of the water level; when gas is used, methane is output, the pressure above the feed liquid in the fermentation tank (1) is reduced, the water level of the feed liquid in the water pressure room (3) or the communication room (10) is reduced, and the floating ball (63) is reduced along with the reduction of the water level;
c) along with repeated gas production or gas utilization, the floating ball (63) makes ascending or descending movement, and the generated power is transmitted to the one-way gear (61) through the lever (62); the unidirectional gear (61) rotates directionally to drive the conveying chain (52) in the pipe chain type conveying belt (5) to transmit, so that the fermented materials move forwards and move to the discharge hole (8) to discharge the residual fermented materials, and the conveying chain (52) continuously transmits to the feed hole (7) to participate in the next round of circulation to finish automatic feeding and discharging.
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| CN201710647218.XA CN107574114B (en) | 2017-08-01 | 2017-08-01 | Hydraulic methane tank capable of automatically feeding and discharging materials and automatic feeding and discharging method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017025819A1 (en) * | 2015-08-12 | 2017-02-16 | Prostim Labs, Llc | Hydrocarbon-based fracturing fluid composition, system, and method |
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| US4349355A (en) * | 1981-07-29 | 1982-09-14 | Lingappa Banadakoppa T | Methane generator |
| CN101113406A (en) * | 2006-07-25 | 2008-01-30 | 周利军 | Full-automatic feeding-discharging maintenance-free environment protective methane tank |
| CN201245652Y (en) * | 2008-07-28 | 2009-05-27 | 龙武华 | Water pressure type slag liquid automatic circulation methane tank |
| CN102653716B (en) * | 2011-03-01 | 2014-07-30 | 四川蒙特新能源科技有限公司 | Overflow dry-type anaerobic fermentation tank |
| CN102766570A (en) * | 2012-06-18 | 2012-11-07 | 罗显平 | Hydraulic pressure floating hood type methane tank |
| US20140308727A1 (en) * | 2013-04-16 | 2014-10-16 | Luigi Castelli | Anaerobic Digestion System |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017025819A1 (en) * | 2015-08-12 | 2017-02-16 | Prostim Labs, Llc | Hydrocarbon-based fracturing fluid composition, system, and method |
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