CN212669666U - Biogas fermentation tank top mixer - Google Patents
Biogas fermentation tank top mixer Download PDFInfo
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- CN212669666U CN212669666U CN202020676100.7U CN202020676100U CN212669666U CN 212669666 U CN212669666 U CN 212669666U CN 202020676100 U CN202020676100 U CN 202020676100U CN 212669666 U CN212669666 U CN 212669666U
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- fermentation tank
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- barrel
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Abstract
The utility model discloses a biogas fermentation tank top stirrer, which comprises a fermentation tank, wherein the tank top part of the fermentation tank is provided with a driving motor, the driving motor is connected with a speed reducer, the tank top part of the fermentation tank is hermetically provided with a support, the inner lower end of the support is fixed with a bearing with a seat through a positioning bolt, the middle part of the bottom side of the support is provided with a shaft perforation, the middle part of the bottom side of the support is welded with a liquid sealing cover, a liquid sealing barrel is sleeved and welded on a stirring shaft, the lower end of the liquid sealing cover is positioned in the liquid sealing barrel, and a cavity between the liquid sealing cover and; this biogas fermentation tank deck mixer adopts water as sealing medium, adopts the fixed (mixing) shaft of tight cover and speed reducer that rises, adopts the fulcrum of taking the pedestal bearing as the axle, has sealed reliable not to have and reveals, and the (mixing) shaft need not to process the keyway, can not cause the (mixing) shaft intensity to reduce, simple structure, advantage with low costs.
Description
Technical Field
The utility model relates to the technical field of biogas fermentation, in particular to a biogas fermentation tank top stirrer.
Background
In a commonly used biogas fermentation tank top stirrer, because a biogas fermentation tank is required to be in an anaerobic state, a rotating stirring shaft generally adopts mechanical seal, and because the mechanical seal has the defects of certain leakage, short service life and the like, biogas leakage can be caused, so that the safety and the reliability are not high; in addition, the connection between the stirring shaft and the speed reducer is generally realized by adopting key connection, and key grooves are required to be processed on the stirring shaft in the key connection, so that the strength of the stirring shaft is reduced, and the safety is reduced; and the support is generally internally provided with a structure of a bearing and a bearing seat, so that the structure is complex and the cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a biogas fermentation tank top mixer to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a biogas fermentation tank top stirrer comprises a fermentation tank, a driving motor is arranged at the top of the fermentation tank, the driving motor is connected with a speed reducer, the tank top of the fermentation tank is hermetically provided with a bracket, the lower end inside the bracket is fixed with a bearing with a seat through a positioning bolt, the middle part of the bottom side of the bracket is provided with a shaft through hole, the speed reducer is positioned above the bracket, the upper end of the bracket passes through the speed reducer, and is fixed on an output sleeve of a speed reducer through a tensioning sleeve, the speed reducer is connected with a stirring shaft, the stirring shaft sequentially passes through a bearing with a seat and a shaft through hole from top to bottom and extends to the bottom of the fermentation tank, a liquid sealing cover is welded and fixed at the middle part of the bottom side of the bracket, and the liquid seal cover is sleeved outside the stirring shaft, the stirring shaft is sleeved with a liquid seal barrel, the lower end of the liquid seal cover is positioned in the liquid seal barrel, and a cavity between the liquid seal cover and the liquid seal barrel is filled with water.
Preferably, the bottom of support is the disc, and the bottom diameter of support equals with the tank deck portion external diameter of fermentation cylinder, it is fixed to be connected through a plurality of connecting bolt between the bottom of support and the fermentation cylinder, and all press from both sides in the laminating department of support bottom and fermentation cylinder and be equipped with seal ring.
Preferably, the liquid sealing cover is tubular, the inner diameter of the liquid sealing cover is larger than the aperture of the shaft through hole, and the inner wall of the liquid sealing cover is not in contact with the outer wall of the stirring shaft.
Preferably, the liquid seal bucket is the tubbiness, and the bottom middle part of liquid seal bucket is offered and is used for the cover to establish the round hole on the (mixing) shaft, and the pore wall of this round hole and the outer wall welded seal of (mixing) shaft, the upper end of liquid seal bucket is for being used for the round mouth that the liquid seal cover penetrated, forms the clearance that is used for pouring into water between this round mouth and the liquid seal cover.
Preferably, a plurality of layers of stirring paddles are uniformly distributed on the part of the stirring shaft positioned in the fermentation tank, and two blades are symmetrically fixed on each layer of stirring paddles.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, this biogas fermentation tank deck mixer adopts the water as sealing medium, adopts the fixed (mixing) shaft of tight cover and speed reducer that rises, adopts the fulcrum of taking the pedestal bearing as the axle, has sealed reliable nothing to reveal, and the (mixing) shaft need not to process the keyway, can not cause (mixing) shaft intensity to reduce, simple structure, advantage with low costs.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.
In the figure: the device comprises a driving motor 1, a speed reducer 2, a support 3, a tensioning sleeve 4, a fermentation tank 5, a stirring shaft 6, a stirring paddle 7, a blade 8, a shaft through hole 9, a bearing with a seat 10, a sealing washer 11, a connecting bolt 12, a liquid seal cover 13, a liquid seal barrel 14 and water 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the biogas fermentation tank top stirrer comprises a fermentation tank 5, wherein a driving motor 1 is arranged at the tank top of the fermentation tank 5, the driving motor 1 is connected with a speed reducer 2, a support 3 is hermetically arranged at the tank top of the fermentation tank 5, the bottom of the support 3 is in a circular plate shape, the diameter of the bottom of the support 3 is equal to the outer diameter of the tank top of the fermentation tank 5, the bottom of the support 3 and the fermentation tank 5 are fixedly connected through a plurality of connecting bolts 12, and sealing gaskets 11 are respectively clamped at the joint of the bottom of the support 3 and the fermentation tank 5, so that the sealing performance of the fermentation tank 5 can be improved by adopting the connection mode, biogas leakage in the fermentation tank 5 is avoided, and;
a bearing with a seat 10 is fixed at the lower end in the support 3 through a positioning bolt, a shaft through hole 9 is formed in the middle of the bottom side of the support 3, the speed reducer 2 is located above the support 3, the upper end of the support 3 penetrates through the speed reducer 2 and is fixed on an output sleeve of the speed reducer 2 through a tensioning sleeve 4, the speed reducer 2 is connected with a stirring shaft 6, the stirring shaft 6 sequentially penetrates through the bearing with a seat 10 and the shaft through hole 9 from top to bottom and extends to the bottom of the fermentation tank 5, a plurality of layers of stirring paddles 7 are uniformly distributed on the part, located in the fermentation tank 5, of the stirring shaft 6, and two blades 8 are symmetrically fixed on each layer;
a liquid sealing cover 13 is welded and fixed in the middle of the bottom side of the support 3, the liquid sealing cover 13 is sleeved and welded on the outer side of the stirring shaft 6, a liquid sealing barrel 14 is sleeved and welded on the stirring shaft 6, the lower end of the liquid sealing cover 13 is positioned in the liquid sealing barrel 14, a cavity between the liquid sealing cover 13 and the liquid sealing barrel 14 is filled with water 15, the liquid sealing cover 13 is tubular, the inner diameter of the liquid sealing cover is larger than the aperture of the shaft through hole 9, the inner wall of the liquid sealing cover 13 is not contacted with the outer wall of the stirring shaft 6, the liquid sealing barrel 14 is barrel-shaped, a round hole for being sleeved on the stirring shaft 6 is formed in the middle of the bottom end of the liquid sealing barrel 14, the hole wall of the round hole is welded and sealed with the outer wall of the stirring shaft 6, a round hole for the liquid sealing cover 13 to penetrate through is formed at the upper end of the liquid sealing barrel 14, a gap for filling water 15 is formed between the;
the speed reducer 2 is driven by the driving motor 1 to rotate, and drives the stirring shaft 6 to rotate, so as to drive the blades 8 to rotate, so that the fermentation raw materials in the fermentation tank 5 are mixed and stirred, and the fermentation raw materials generate methane; in order to prevent biogas from leaking out from a gap between the stirring shaft 6 and the shaft through hole 9 of the bracket 3, a liquid seal barrel 14 is welded on the stirring shaft 6, a liquid seal cover 13 is welded and fixed below the bracket 3, a cavity between the liquid seal barrel 14 and the liquid seal cover 13 is filled with water 15, and the biogas in the fermentation tank 5 cannot leak out from the liquid seal barrel under the sealing action of the water 15; the tensioning sleeve 4 and the bearing with the seat 10 are standard outsourcing parts, can be purchased in the market, and have lower cost; this biogas fermentation tank deck mixer adopts water as sealing medium, adopts the fixed (mixing) shaft of tight cover and speed reducer that rises, adopts the fulcrum of taking the pedestal bearing as the axle, has sealed reliable not to have and reveals, and the (mixing) shaft need not to process the keyway, can not cause the (mixing) shaft intensity to reduce, simple structure, advantage with low costs.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Biogas fermentation tank deck mixer, including fermentation cylinder (5), the tank deck portion of fermentation cylinder (5) is provided with driving motor (1), driving motor (1) is connected with speed reducer (2), its characterized in that: the tank top of the fermentation tank (5) is hermetically provided with a support (3), the lower end inside the support (3) is fixed with a bearing with a seat (10) through a positioning bolt, the middle part of the bottom side of the support (3) is provided with a shaft through hole (9), the speed reducer (2) is positioned above the support (3), the upper end of the support (3) penetrates through the speed reducer (2) and is fixed on an output sleeve of the speed reducer (2) through a tensioning sleeve (4), the speed reducer (2) is connected with a stirring shaft (6), the stirring shaft (6) sequentially penetrates through the bearing with a seat (10) and the shaft through hole (9) from top to bottom and extends to the bottom of the fermentation tank (5), the middle part of the bottom side of the support (3) is welded with a liquid sealing cover (13), the liquid sealing cover (13) is sleeved on the outer side of the fermentation tank (6), and a liquid sealing barrel (14), the lower end of the liquid sealing cover (13) is positioned in the liquid sealing barrel (14), and a cavity between the liquid sealing cover (13) and the liquid sealing barrel (14) is filled with water (15).
2. The biogas fermentation tank top mixer as claimed in claim 1, wherein: the bottom of support (3) is the disc form, and the bottom diameter of support (3) equals with the tank deck portion external diameter of fermentation cylinder (5), be connected fixedly between the bottom of support (3) and fermentation cylinder (5) through a plurality of connecting bolt (12), and all press from both sides seal ring (11) with the laminating department of fermentation cylinder (5) in support (3) bottom.
3. The biogas fermentation tank top mixer as claimed in claim 1, wherein: the liquid sealing cover (13) is tubular, the inner diameter of the liquid sealing cover is larger than the aperture of the shaft through hole (9), and the inner wall of the liquid sealing cover (13) is not contacted with the outer wall of the stirring shaft (6).
4. The biogas fermentation tank top mixer as claimed in claim 1, wherein: the liquid seal barrel (14) is barrel-shaped, the middle part of the bottom end of the liquid seal barrel (14) is provided with a round hole which is used for being sleeved on the stirring shaft (6), the hole wall of the round hole is welded and sealed with the outer wall of the stirring shaft (6), the upper end of the liquid seal barrel (14) is a round opening used for the liquid seal cover (13) to penetrate, and a gap used for filling water (15) is formed between the round opening and the liquid seal cover (13).
5. The biogas fermentation tank top mixer as claimed in claim 1, wherein: the part of the stirring shaft (6) in the fermentation tank (5) is uniformly distributed with a plurality of layers of stirring paddles (7), and two blades (8) are symmetrically fixed on each layer of stirring paddles (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020676100.7U CN212669666U (en) | 2020-04-28 | 2020-04-28 | Biogas fermentation tank top mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020676100.7U CN212669666U (en) | 2020-04-28 | 2020-04-28 | Biogas fermentation tank top mixer |
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| Publication Number | Publication Date |
|---|---|
| CN212669666U true CN212669666U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020676100.7U Active CN212669666U (en) | 2020-04-28 | 2020-04-28 | Biogas fermentation tank top mixer |
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| CN (1) | CN212669666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115232711A (en) * | 2022-08-05 | 2022-10-25 | 青岛汇君环境能源工程有限公司 | Variable cross-section aerobic fermentation stirring aeration device |
-
2020
- 2020-04-28 CN CN202020676100.7U patent/CN212669666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115232711A (en) * | 2022-08-05 | 2022-10-25 | 青岛汇君环境能源工程有限公司 | Variable cross-section aerobic fermentation stirring aeration device |
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