Biogas fermentation tank
By using the sterilization liquid in the biogas fermenter to flush the feed pipe, and combining inclination settings and insulation measures, the problem of external water flushing in the prior art increases the difficulty of processing and pipeline freezing is solved, and the effect of reducing processing difficulty and reducing usage costs is achieved.
Patent Information
- Application Number
- CN202420588289.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-26
AI Technical Summary
Existing biogas fermentation tanks use exogenous water when flushing the feed port, which increases the difficulty of handling the biofilm liquid and can easily lead to pipeline freezing in high-altitude areas, increasing the cost of use.
A biogas fermentation tank was designed to flush the feed pipe with the sterilization, and the liquid outlet pipe and inlet pipe were tilted, a drain valve and a thermal insulation sleeve were installed to prevent the pipe from freezing.
It effectively avoids new water inlet into the fermentation system, reduces the difficulty of handling the sterilization liquid, and prevents pipelines from freezing through insulation measures, reducing the cost of use.
Smart Images
Figure CN222574637U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fermentation tanks, in particular to a biogas fermentation tank. Background Art
[0002] In order to prevent blockage, the feed port of the existing biogas fermentation tank is generally flushed with external water, which causes more and more new water to enter the fermentation system, and more biogas slurry is produced in the later stage, which increases the difficulty of subsequent treatment. In addition, due to the low temperature in winter in high-altitude areas, the pipes are prone to freezing, which further increases the cost of use. Utility Model Content
[0003] The main purpose of the utility model is to provide a biogas fermentation tank to solve the problems in the prior art that external water is used to flush the feed port of the biogas fermentation tank, which increases the difficulty of handling biogas slurry and the pipeline is prone to freezing in high-altitude and cold areas.
[0004] In order to achieve the above-mentioned purpose, the utility model provides a biogas fermentation tank, including a tank body, an air outlet pipe is provided on the top of the tank body, and a feed pipe and a discharge pipe are provided on the side, the discharge pipe is connected to the bottom of a storage tank, and the top of the storage tank is connected to a biogas tank through an overflow pipe; a flushing mechanism for flushing the feed pipe is fixedly installed above the feed pipe, and the flushing mechanism is connected to the water outlet end of a water pump through the liquid outlet pipe; the water inlet end of the water pump is connected to one end of the liquid inlet pipe, and the other end of the liquid inlet pipe extends into the bottom of the biogas tank.
[0005] Furthermore, the flushing mechanism includes an annular tube, on which a spray head inclined obliquely downward is mounted, and an inlet is arranged on the side of the annular tube.
[0006] Furthermore, the water pump is located above the sludge pool and the feed pipe, the outlet pipe and the inlet pipe are both inclined, the annular pipe is also inclined, and a drain valve is provided at the lowest end of the annular pipe; by arranging the outlet pipe and the inlet pipe at an angle and providing the drain valve, the accumulated liquid in the pipe can be drained after each use of the water pump to prevent the pipe from freezing.
[0007] Furthermore, an insulation box is provided on the outside of the water pump, and insulation sleeves are provided on the outsides of the liquid outlet pipe and the liquid inlet pipe; by providing the insulation sleeves, freezing of the liquid inlet pipe and the liquid outlet pipe can be further avoided.
[0008] Furthermore, the tops of the feed pipe, storage tank, and biogas slurry tank are all equipped with covers.
[0009] The utility model can use the biogas slurry to flush the feed port of the feed pipe, thereby avoiding the problem of increasing amount of new water entering the fermentation system, and the temperature of the biogas slurry is relatively high, thereby avoiding the problem of pipe freezing. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] The drawings in the specification, which constitute a part of the present application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.
[0011] Figure 1 It is a structural schematic diagram of an embodiment;
[0012] Figure 2 It is a structural schematic diagram of the flushing mechanism in the embodiment;
[0013] In the figure: 1. tank body; 101. air outlet pipe; 102. feed pipe; 103. discharge pipe; 2. storage tank; 3. overflow pipe; 4. biogas tank; 5. flushing mechanism; 501. annular pipe; 502. nozzle; 503. inlet; 6. water pump; 7. liquid outlet pipe; 8. liquid inlet pipe; 9. drain valve; 10. insulation box. DETAILED DESCRIPTION
[0014] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0015] like Figure 1 to Figure 2 As shown, according to an embodiment of the utility model, a biogas fermentation tank is provided, including a tank body 1, a gas outlet pipe 101 is provided on the top of the tank body 1, a feed pipe 102 and a discharge pipe 103 are provided on the side, the discharge pipe 103 is connected to the bottom of the storage tank 2, and the top of the storage tank 2 is connected to the biogas tank 4 through an overflow pipe 3; a flushing mechanism 5 for flushing the feed pipe 102 is fixedly installed above the feed pipe 102, and the flushing mechanism 5 is connected to the water outlet end of a water pump 6 through a liquid outlet pipe 7; the water inlet end of the water pump 6 is connected to one end of a liquid inlet pipe 8, and the other end of the liquid inlet pipe 8 extends into the bottom of the biogas tank 4; the tank body 1, the storage tank 2 and the biogas tank 4 are all below the ground below the top.
[0016] like Figure 2 As shown, the flushing mechanism 5 includes an annular tube 501 , on which a nozzle 502 inclined obliquely downward is mounted, and an inlet 503 is provided on the side of the annular tube 501 , which is connected to the liquid outlet pipe 7 .
[0017] The water pump 6 is arranged on a bracket above the ground, and the water pump 6 is located above the biogas slurry pool 4 and the feed pipe 102. The liquid outlet pipe 7 and the liquid inlet pipe 8 are both arranged obliquely, and the annular pipe 501 is also arranged obliquely. The liquid outlet pipe 7, the liquid inlet pipe 8 and the annular pipe 501 are all supported and fixed by the bracket, and a drain valve 9 is arranged at the lowest end of the annular pipe 501; by arranging the liquid outlet pipe 7 and the liquid inlet pipe 8 obliquely and setting the drain valve 9, the accumulated liquid in the pipe can be drained after each use of the water pump 6 to avoid freezing of the pipe.
[0018] An insulation box 10 is provided on the outside of the water pump 6, and insulation sleeves are provided on the outsides of the liquid outlet pipe 7 and the liquid inlet pipe 8; by providing the insulation sleeves, the liquid inlet pipe 8 and the liquid outlet pipe 7 are further prevented from freezing.
[0019] The tops of the feed pipe 102, the storage tank 2, and the biogas slurry tank 4 are all equipped with covers, and the cover of the biogas slurry tank is provided with a through hole for the feed pipe 8 to pass through; the cover can play a role in heat preservation and preventing people and animals from falling in.
[0020] When it is necessary to add feces or other materials to the tank body, open the cover on the feed pipe 102, start the switch of the water pump 6 to extract the sludge in the sludge pool 4 to the flushing mechanism 5 to flush the feed pipe 102, and then pour the material into the feed pipe 102. The material enters the tank body 1 through the feed pipe 102. Under the flushing effect of the sludge, the material is prevented from adhering to the feed pipe 102.
[0021] After the material is replenished, the water pump 6 is turned off, and the residual biogas slurry in the liquid inlet pipe 8 flows back to the biogas slurry pool 4; the drain valve is opened, and the residual biogas slurry in the liquid outlet pipe 7 and the flushing mechanism 5 flows back to the feed pipe 102.
[0022] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A biogas fermentation tank, comprising a tank body (1), characterized in that: The tank body (1) is provided with an air outlet pipe (101) at the top, and a feed pipe (102) and a discharge pipe (103) at the side, the discharge pipe (103) being connected to the bottom of a storage tank (2), and the top of the storage tank (2) being connected to a biogas slurry tank (4) via an overflow pipe (3); a flushing mechanism (5) for flushing the feed pipe (102) is fixedly installed above the feed pipe (102), the flushing mechanism (5) being connected to the water outlet end of a water pump (6) via a liquid outlet pipe (7); the water inlet end of the water pump (6) is connected to one end of a liquid inlet pipe (8), and the other end of the liquid inlet pipe (8) extends into the bottom of the biogas slurry tank (4).
2. The biogas fermentation tank according to claim 1, characterized in that: The flushing mechanism (5) comprises an annular tube (501), on which a spray head (502) inclined obliquely downward is mounted, and an inlet (503) is provided on the side of the annular tube (501).
3. The biogas fermentation tank according to claim 2, characterized in that: The water pump (6) is located above the biogas slurry tank (4) and the feed pipe (102), the liquid outlet pipe (7) and the liquid inlet pipe (8) are both arranged at an inclination, the annular pipe (501) is also arranged at an inclination, and a drain valve (9) is provided at the lowest end of the annular pipe (501).
4. The biogas fermentation tank according to claim 1, characterized in that: A heat preservation box (10) is provided on the outside of the water pump (6), and heat preservation sleeves are provided on the outsides of the liquid outlet pipe (7) and the liquid inlet pipe (8).
5. The biogas fermentation tank according to claim 1, characterized in that: Cover plates are installed on the tops of the feed pipe (102), the storage tank (2), and the biogas slurry tank (4).