CN211620486U - Internal circulation methane tank - Google Patents
Internal circulation methane tank Download PDFInfo
- Publication number
- CN211620486U CN211620486U CN201922272464.9U CN201922272464U CN211620486U CN 211620486 U CN211620486 U CN 211620486U CN 201922272464 U CN201922272464 U CN 201922272464U CN 211620486 U CN211620486 U CN 211620486U
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- Prior art keywords
- methane
- tank
- methane tank
- shaft
- stirring
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 248
- 239000007789 gas Substances 0.000 claims abstract description 17
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 13
- 230000023556 desulfurization Effects 0.000 claims abstract description 13
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims abstract description 7
- 238000010248 power generation Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 17
- 230000018044 dehydration Effects 0.000 claims description 13
- 238000006297 dehydration reaction Methods 0.000 claims description 13
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical group O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 230000007306 turnover Effects 0.000 claims 1
- 238000000855 fermentation Methods 0.000 abstract description 7
- 230000004151 fermentation Effects 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 241001465754 Metazoa Species 0.000 description 4
- 210000003608 fece Anatomy 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241000287828 Gallus gallus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model provides an internal circulation methane tank, which belongs to the technical field of methane tanks. The methane tank solves the problems that the existing methane tank is used for a long time, waste materials are filled at the bottom of the methane tank and are stacked seriously, so that the reaction of the methane tank is slow, the fermentation of methane residues is insufficient, the methane residues are caked, materials are removed and the like. The first dewatering device of gas holder connection is arranged in getting rid of the moisture in the marsh gas, and first dewatering device passes through the hydrogen sulfide that pipe connection marsh gas desulfurizing tower is arranged in getting rid of the marsh gas, and the marsh gas desulfurizing tower is connected the second dewatering device and is used for getting rid of the comdenstion water that meets cold in-process formation after the marsh gas desulfurization, and second dewatering device connects marsh gas power generation facility and passes through burning marsh gas for above-mentioned agitating unit power supply. The utility model has the advantages of can burn marsh gas through marsh gas power generation facility and supply power for agitating unit, can the rational utilization marsh gas resource, make the natural pond sediment be in the state of constantly cutting the upset through agitating unit, avoid natural pond sediment caking, improve the output that marsh gas was collected.
Description
Technical Field
The utility model belongs to the technical field of methane tanks, and relates to an internal circulation methane tank.
Background
The methane is a combustible gas generated by organic matters through microbial fermentation under the conditions of certain temperature, humidity, concentration and pH value in an anaerobic environment. Various organic matters such as human and animal excreta, straws, kitchen garbage, domestic sewage and the like can be put into a closed methane tank to be fermented, namely decomposed and converted by a plurality of methane fermentation microorganisms, so as to generate methane. The biogas is used as a domestic energy source, can be used for cooking and lighting, can be used for a water heater, and can also be used as an industrial energy source for biogas power generation, greenhouse seedling raising, biogas chicken raising, biogas heat energy processing and the like. Therefore, the biogas can timely treat wastes of agricultural or industrial production and human and animal excreta, recycle the wastes to the maximum extent and purify the environment.
The principle of methane production in the methane tank is as follows: a closed tank body is generally adopted, and a feed pipe for feeding human and animal excreta to the bottom of the tank, a discharge pipe for discharging biogas slurry and an air outlet pipe for conveying biogas are arranged on the tank body; in the tank body, feed liquid such as human and animal excrements or organic wastes is fermented in an anaerobic environment to generate biogas, and after a period of fermentation, substances in the tank body are naturally layered, wherein the lower layer is biogas residue, the middle layer is biogas slurry, and the upper layer is biogas; the feed pipe extends into the lower layer, the discharge pipe extends into the middle layer, the gas outlet pipe is communicated to the methane layer on the upper layer of the tank body, and the methane can pass through the gas outlet pipe and then is supplied to a user through a transmission and distribution system.
However, after the traditional methane tank is used for a long time, the waste materials are filled at the bottom of the methane tank and are accumulated seriously, so that the reaction of the methane tank is slow, and the phenomena of insufficient fermentation, caking of methane slag, material removal and the like of the methane slag are caused; the top of the traditional methane tank is provided with a manhole for maintenance personnel to enter and exit, a small amount of methane can be leaked from the caliber range of the manhole, the collection rate of the methane is influenced, and the methane collection yield is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems of the prior methane tank, and provides an internal circulation methane tank which can reduce fertilizer accumulation, ensure that the fermentation of methane slag is more sufficient, improve the methane yield and have higher collection rate.
The purpose of the utility model can be realized by the following technical proposal:
an internal circulation methane tank comprises a methane tank, wherein the top of the methane tank is provided with a manhole for maintenance personnel to enter and exit and an upper cover plate for sealing the manhole, the manhole is internally provided with a sleeve with a downward opening and a flow guide device, the bottom of the methane tank is provided with a stirring device capable of driving methane slag to turn, the top of the methane tank is provided with an exhaust port, the exhaust port is connected with a gas storage tank through a gas guide valve, the gas storage tank is connected with a first dehydration device for removing water in methane, the first dehydration device is connected with a methane desulfurization tower through a pipeline for removing hydrogen sulfide in the methane, the methane desulfurization tower is connected with a second dehydration device for removing condensed water formed in the cooling process after methane desulfurization, and the second dehydration device is connected with a methane power generation device for supplying power to the stirring device through methane combustion.
In the internal circulation methane tank, the stirring device is a double-blade stirring device and comprises a driving piece, a motor shaft, a rotating shaft, a shaft seat and a stirring component, the driving piece is fixedly arranged on the outer wall of the methane tank, two groups of shaft seats are arranged in the wall of the methane tank in a bilateral symmetry manner, the stirring component comprises two stirring blades and a stirring shaft which are horizontally arranged, the stirring shaft is vertically and fixedly connected with the two ends of the stirring blades, one end of the motor shaft is fixedly arranged in the driving piece and is rotationally connected with the left shaft seat, the other end of the motor shaft is connected with the middle part of the left stirring shaft through a fastening piece, one end of the rotating shaft is rotatably connected with the right shaft seat, the other end of the rotating shaft is connected with the middle part of the right stirring shaft through a fastening piece, the motor shaft and the rotating shaft are rotatably connected with the shaft seat through the bearings, and sealing rings are further arranged at the two ends of the shaft seat outside the bearings.
In the internal circulation methane tank, the sleeve is T-shaped, the top of the methane tank is provided with the mounting hole, the shape of the mounting hole is matched with that of the sleeve, the upper end surface of the sleeve is provided with the mounting groove, the upper cover plate is fixedly arranged in the mounting groove, the shape of the mounting groove is matched with that of the upper cover plate, and the lower end of the sleeve extends into the position below the liquid level of the zero line of the methane liquid to seal the produced methane.
In the internal circulation methane tank, the flow guide device comprises a flow guide plate, a lifting rope, a movable cross rod and a cross rod seat, the cross rod seat is arranged at two ends of the movable cross rod and is rotatably connected with the movable cross rod, a step mounting surface is arranged in the sleeve, the cross rod seat is fixedly arranged on the step mounting surface, one end of the lifting rope is fixedly connected to the movable cross rod, the other end of the lifting rope is fixedly connected with the flow guide plate, and the lifting of the flow guide plate is controlled by rotating the movable cross rod.
In the internal circulation methane tank, the flow guide plate is arranged below the sleeve, and the outer edge of the flow guide plate exceeds the lower end face of the sleeve, so that methane gathered near the sleeve opening can diffuse to two sides along the reversely-hung cover plate.
In the internal circulation methane tank, a feed inlet is formed in the side wall of the methane tank, a discharge outlet is formed in the bottom of the methane tank and connected with a storage tank through a discharge pump, and a liquid outlet is formed in the side wall of the methane tank and connected with a liquid storage tank through a filter element.
In the internal circulation methane tank, a desulfurizer is arranged in the methane desulfurizing tower, the desulfurizer is ferric oxide, and the methane desulfurizing tower can convert hydrogen sulfide in the methane into ferric trisulfide through the ferric oxide so as to remove sulfur in the methane.
Compared with the prior art, the biogas generating device can burn biogas to supply power to the stirring device, biogas resources can be reasonably utilized, biogas residues are in a state of being continuously cut and turned over through the stirring device, the biogas residues are prevented from caking, the fermentation area of the biogas residues is increased, and meanwhile, waste materials can be discharged through the material storage tank, and the waste materials are prevented from being accumulated; the guide device can enable the marsh gas gathered near the sleeve opening to diffuse to two sides along the reversely-hung cover plate, and the marsh gas collection yield is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention;
in the figure, 1, a methane tank; 2. a sleeve; 3. an upper cover plate; 4. a manhole; 5. a discharge port; 6. a discharge pump; 7. a material storage tank; 8. a liquid outlet; 9. a filter member; 10. a liquid storage tank; 11. an exhaust port; 12. a gas guide valve; 13. a gas storage tank; 14. a drive member; 15. a motor shaft; 16. a rotating shaft; 17. a stirring blade; 18. a stirring shaft; 19. a shaft seat; 20. a bearing; 21. a seal ring; 22. a baffle; 23. a lifting rope; 24. a movable cross bar; 25. a cross bar seat; 26. a feed inlet; 27. a first dewatering device; 28. a biogas desulfurization tower; 29. a second dehydration device; 30. provided is a biogas power generation device.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, an internal circulation methane tank comprises a methane tank 1, wherein the methane tank 1 is connected with a feed inlet, the top of the methane tank 1 is provided with a manhole 4 for maintenance personnel to enter and exit and an upper cover plate 3 for sealing the manhole 4, a sleeve 2 with a downward opening and a flow guide device are arranged in the manhole 4, the flow guide device is connected with the upper cover plate 3, the bottom of the methane tank 1 is also provided with a stirring device capable of driving methane slag to turn, the bottom of the methane tank 1 is provided with a discharge port 5, the discharge port 5 is connected with a storage tank 7 through a discharge pump 6, the side wall of the methane tank 1 is provided with a liquid outlet 8, the liquid outlet 8 is connected with a liquid storage tank 10 through a filter element 9, the side wall of the methane tank 1 is provided with a feed inlet 26, the manhole 4 is internally provided with a sleeve 2 with a downward opening and a flow guide device, the shape of mounting hole and the shape looks adaptation of sleeve 2, the up end of sleeve 2 is provided with mounting groove, and upper cover plate 3 is fixed to be set up in this mounting groove, and mounting groove's shape and upper cover plate 3 looks adaptation, the lower extreme of sleeve 2 stretches into under the liquid level of natural pond liquid zero line, carries out the water seal to the marsh gas of producing.
The stirring device is a double-blade stirring device and comprises a driving piece 14, a motor shaft 15, a rotating shaft 16, shaft seats 19 and stirring components, wherein the driving piece 14 is fixedly arranged on the outer wall of the methane tank 1, the shaft seats 19 are divided into two groups and are symmetrically arranged in the wall of the methane tank 1, the stirring components comprise two stirring blades 17 and stirring shafts 18 which are horizontally arranged, the stirring shafts 18 are vertically and fixedly connected with the two ends of the stirring blades 17, one end of the motor shaft 15 is fixedly arranged in the driving piece 14 and is rotationally connected with the shaft seat 19 on the left side, the other end of the motor shaft is connected with the middle part of the stirring shaft 18 on the left side through a fastening piece, one end of the rotating shaft 16 is rotationally connected with the shaft seat 19 on the right side, the other end of the rotating shaft 16 is connected with the middle part of, and sealing rings 21 are arranged at the two ends of the shaft seat 19 and outside the bearing 20.
The flow guide device comprises a flow guide plate 22, a lifting rope 23, a movable cross rod 24 and a cross rod seat 25, wherein the cross rod seat 25 is arranged at two ends of the movable cross rod 24 and is rotatably connected with the movable cross rod 24, a step mounting surface is arranged in the sleeve 2, the cross rod seat 25 is fixedly arranged on the step mounting surface, one end of the lifting rope 23 is fixedly connected onto the movable cross rod 24, the other end of the lifting rope is fixedly connected with the flow guide plate 22, the lifting of the flow guide plate 22 is controlled by rotating the movable cross rod 24, the flow guide plate 22 is arranged below the sleeve 2, and the outer edge of the flow guide plate 22 exceeds the lower end surface of the sleeve 2, so that methane gathered near the opening of the sleeve 2 can diffuse towards two sides along the reversely-hanging cover.
The top of the methane tank 1 is provided with an exhaust port 11, the exhaust port 11 is connected with a gas storage tank 13 through a gas guide valve 12, the exhaust port 11 is connected with a gas storage tank 13 through a gas guide valve 12, the gas storage tank 13 is connected with a first dehydration device 27 for removing moisture in the biogas, the first dehydration device 27 is connected with a biogas desulfurization tower 28 through a pipeline for removing hydrogen sulfide in the biogas, a desulfurizer is arranged in the biogas desulfurization tower 28, the desulfurizer is ferric oxide, the biogas desulfurization tower 28 can convert hydrogen sulfide in the biogas into ferric trisulfide through the ferric oxide so as to remove sulfur in the biogas, the biogas desulfurization tower 28 is connected with a second dehydration device 29 for removing condensed water formed in the cooling process after biogas desulfurization, and the second dehydration device 29 is connected with a biogas power generation device 30 for supplying power to the driving part 14 by burning biogas, so as to drive the stirring device to rotate.
It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. An internal circulation methane tank comprises a methane tank (1) and is characterized in that a manhole (4) for maintenance personnel to enter and exit and an upper cover plate (3) for sealing the manhole (4) are arranged at the top of the methane tank (1), a sleeve (2) with a downward opening and a flow guide device are arranged in the manhole (4), a stirring device capable of driving methane slag to turn over is further arranged at the bottom of the methane tank (1), an exhaust port (11) is formed at the top of the methane tank (1), the exhaust port (11) is connected with a gas storage tank (13) through a gas guide valve (12), the gas storage tank (13) is connected with a first dehydration device (27) for removing water in methane, the first dehydration device (27) is connected with a methane desulfurization tower (28) through a pipeline for removing hydrogen sulfide in methane, the methane desulfurization tower (28) is connected with a second dehydration device (29) for removing condensed water formed in the process of cooling after methane desulfurization, the second dehydration device (29) is connected with a methane power generation device (30) and supplies power to the stirring device by burning methane.
2. The internal circulation methane tank of claim 1, wherein the stirring device is a double-blade stirring device, comprising a driving member (14), a motor shaft (15), a rotating shaft (16), shaft seats (19) and stirring components, the driving member (14) is fixedly arranged on the outer wall of the methane tank (1), the shaft seats (19) are arranged in two groups, the shaft seats are arranged in the wall of the methane tank (1) in bilateral symmetry, the stirring components comprise two stirring blades (17) and stirring shafts (18) which are horizontally arranged, the stirring shafts (18) are vertically and fixedly connected with two ends of the stirring blades (17), one end of the motor shaft (15) is fixedly arranged in the driving member (14) and is rotatably connected with the left shaft seat (19), the other end of the motor shaft is connected with the middle part of the left stirring shaft (18) through a fastener, one end of the rotating shaft (16) is rotatably connected with the right shaft seat (, the other end of the stirring shaft is connected to the middle of the right stirring shaft (18) through a fastening piece, a bearing (20) is arranged in the shaft seat (19), the motor shaft (15) and the rotating shaft (16) are rotatably connected with the shaft seat (19) through the bearing (20), and sealing rings (21) are further arranged at the two ends of the shaft seat (19) outside the bearing (20).
3. The internally circulating methane tank of claim 1, wherein the sleeve (2) is T-shaped, the top of the methane tank (1) is provided with a mounting hole, the shape of the mounting hole is matched with the shape of the sleeve (2), the upper end surface of the sleeve (2) is provided with a mounting groove, the upper cover plate (3) is fixedly arranged in the mounting groove, the shape of the mounting groove is matched with the upper cover plate (3), and the lower end of the sleeve (2) extends into the position below the zero line liquid level of the methane liquid to seal the produced methane.
4. The internally circulating methane tank of claim 1, wherein the flow guiding device comprises a flow guiding plate (22), a lifting rope (23), a movable cross bar (24) and a cross bar seat (25), the cross bar seat (25) is arranged at two ends of the movable cross bar (24) and is rotatably connected with the movable cross bar (24), a step mounting surface is arranged in the sleeve (2), the cross bar seat (25) is fixedly arranged on the step mounting surface, one end of the lifting rope (23) is fixedly connected to the movable cross bar (24), the other end of the lifting rope is fixedly connected with the flow guiding plate (22), and the lifting of the flow guiding plate (22) is controlled by rotating the movable cross bar (24).
5. The internally circulating methane tank as claimed in claim 4, wherein the deflector (22) is arranged below the sleeve (2), and the outer edge of the deflector (22) exceeds the lower end surface of the sleeve (2), so that methane gathered near the opening of the sleeve (2) can diffuse to both sides along the reversely hanging cover plate.
6. The internally circulating methane tank of claim 1, wherein a feed inlet (26) is formed on the side wall of the methane tank (1), a discharge outlet (5) is formed at the bottom of the methane tank (1), the discharge outlet (5) is connected with a storage tank (7) through a discharge pump (6), a liquid outlet (8) is formed on the side wall of the methane tank (1), and the liquid outlet (8) is connected with a liquid storage tank (10) through a filter member (9).
7. The internally circulating methane tank of claim 1, wherein the methane desulfurizing tower (28) contains a desulfurizing agent, the desulfurizing agent is ferric oxide, and the methane desulfurizing tower (28) can convert hydrogen sulfide in the methane into ferric trisulfide through the ferric oxide so as to remove sulfur in the methane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922272464.9U CN211620486U (en) | 2019-12-17 | 2019-12-17 | Internal circulation methane tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922272464.9U CN211620486U (en) | 2019-12-17 | 2019-12-17 | Internal circulation methane tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211620486U true CN211620486U (en) | 2020-10-02 |
Family
ID=72630046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922272464.9U Expired - Fee Related CN211620486U (en) | 2019-12-17 | 2019-12-17 | Internal circulation methane tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211620486U (en) |
-
2019
- 2019-12-17 CN CN201922272464.9U patent/CN211620486U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 |
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| CF01 | Termination of patent right due to non-payment of annual fee |