Device for returning purified biogas slurry to field

Abstract

The utility model discloses a purified biogas slurry returning device which comprises a material storage tank and a liquid pumping pipe, a rotating shaft is arranged in the material storage tank, a stirring shaft is arranged on the outer side of the rotating shaft, a mounting frame is arranged on the rear side of the material storage tank, a returning liquid pumping pump is arranged on the mounting frame, an outlet is formed in the bottom of the rear side of the material storage tank, and the liquid pumping pipe is connected with the outlet. A liquid spraying pipe is arranged at the liquid spraying position of the field returning infusion pump, a plurality of sprayers are arranged on the outer side of the liquid spraying pipe, a feeding infusion pump is arranged on one side of the top of the storage tank, an inlet is formed in the inner side of the top of the storage tank, the liquid outlet position of the feeding infusion pump is connected with the inlet, and a filtering box is arranged on one side of the storage tank. According to the device disclosed by the utility model, the biogas slurry is filtered through the filter screen in the filter box, and the rotating shaft is driven by the motor to rotate, so that the stirring shaft stirs the biogas slurry in the storage tank, the biogas slurry in the storage tank is always kept uniform, and organic matters and the like are prevented from precipitating.

Description

Technical Field

[0001] The utility model relates to the technical field of purified biogas slurry returning to fields, in particular to a device for purifying biogas slurry and returning it to fields. Background Art

[0002] Purifying biogas slurry is an important part of biogas engineering. Its main purpose is to remove harmful substances in biogas so that it can be safely used for power generation, heating or other energy utilization methods. The purified biogas slurry can be returned to the field. Returning biogas slurry to the field is a green and environmentally friendly agricultural practice. It can effectively treat the manure produced by farms, reduce environmental pollution, and improve soil fertility and increase crop yields. The role of returning biogas slurry to the field: it can improve soil structure and increase soil organic matter content; reduce the use of chemical fertilizers and reduce agricultural production costs; increase crop yields and improve economic benefits; promote the combination of planting and breeding, and realize agricultural circular development.

[0003] When the existing field return device is in use, it needs to be stored in a storage tank and transported by a special vehicle. However, when the biogas slurry is in the storage tank, the internal biogas slurry may have a certain precipitation phenomenon, which causes the internal organic matter to be mixed unevenly. In addition, when the storage tank is loaded, there will be certain impurities in the biogas slurry, which will cause the impurities to enter the storage tank, and it needs to be cleaned frequently, which is more troublesome. Utility Model Content

[0004] The utility model aims to provide a device for returning purified biogas slurry to fields, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A device for returning purified biogas slurry to the field comprises a storage tank and a liquid extraction pipe, wherein a rotating shaft is arranged inside the storage tank, a stirring shaft is arranged outside the rotating shaft, a mounting frame is arranged at the rear side of the storage tank, a liquid extraction pump for returning to the field is arranged on the mounting frame, an outlet is arranged at the bottom of the rear side of the storage tank, a liquid extraction point of the liquid extraction pump for returning to the field is connected to the outside of the outlet, a liquid injection pipe is arranged at the liquid injection point of the liquid extraction pump for returning to the field, and a plurality of nozzles are arranged outside the liquid injection pipe, a feeding liquid extraction pump is arranged at one side of the top of the storage tank, an inlet is arranged at the inner side of the top of the storage tank, a liquid outlet of the feeding liquid extraction pump is connected to the inlet, a filter box is arranged at one side of the storage tank, a connecting port is arranged at the top of the filter box, a liquid extraction point of the feeding liquid extraction pump is connected to the connecting port, a filter screen is arranged inside the filter box, a threaded interface is arranged at the end of the liquid extraction pipe, a threaded connecting pipe is arranged at one side of the filter box, and the threaded interface is threadedly connected to the threaded connecting pipe.

[0007] In a preferred embodiment of the present utility model, a scraper strip is arranged on the outside of the stirring shaft, and a motor is arranged on the inside of the front of the storage tank, and the motor is connected to the rotating shaft.

[0008] In a preferred embodiment of the present utility model, a limiting net is arranged on the top of the liquid extraction tube.

[0009] In a preferred embodiment of the present invention, a cleaning port is provided on the top of the filter box.

[0010] In a preferred embodiment of the present utility model, a threaded plugging cover is provided at the bottom of the cleaning port, and the threaded plugging cover is threadedly connected to the outer side of the cleaning port.

[0011] In a preferred embodiment of the present invention, a mounting seat is provided at the bottom of the storage tank.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0013] Beneficial effects: The device extracts the purified biogas slurry through the feeding and pumping pump, and transports it to the storage tank through the inlet, filters large impurities through the limiting net to avoid blockage, filters the biogas slurry through the filter net in the filter box to prevent impurities from entering the storage tank, opens and closes the cleaning port through the threaded plug cover, and cleans the impurities inside the filter box through the cleaning port, and rotates the shaft through the motor to make the stirring shaft stir the biogas slurry in the storage tank, ensuring that the biogas slurry inside is always uniform and avoiding the precipitation of organic matter.

[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 It is a schematic diagram of the main structure of a device for purifying biogas slurry and returning it to the field;

[0017] Figure 2 This is a schematic diagram of the inner structure of a storage tank in a device for purifying biogas slurry and returning it to the field;

[0018] Figure 3This is a schematic diagram of the inner structure of a filter box in a device for purifying biogas slurry and returning it to the field;

[0019] Figure 4 The present invention is a schematic diagram of the structure of the end of a liquid extraction pipe in a device for purifying biogas slurry and returning it to the field.

[0020] In the figure: 1. Storage tank; 11. Rotating shaft; 12. Agitating shaft; 13. Scraper; 14. Motor; 2. Field return liquid pump; 21. Mounting frame; 22. Outlet; 23. Liquid spray pipe; 24. Nozzle; 3. Feeding liquid pump; 31. Filter box; 32. Connecting port; 33. Inlet; 34. Filter net; 4. Liquid pump pipe; 41. Restriction net; 42. Threaded pipe; 43. Threaded interface; 44. Cleaning port; 45. Threaded plug; 5. Mounting base. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0022] Please refer to Figure 1-4 The utility model discloses a device for returning purified biogas slurry to the field, comprising a storage tank 1 and a liquid extraction pipe 4. The storage tank 1 is the main storage structure of the device, which is used to store the purified biogas slurry for returning to the field. The liquid extraction pipe 4 is used to extract the biogas slurry and transport it to the storage tank 1 through other structures. A rotating shaft 11 is arranged inside the storage tank 1, and a stirring shaft 12 is arranged outside the rotating shaft 11. That is, the stirring shaft 12 is driven to rotate by the rotating shaft 11, so as to stir the biogas slurry in the storage tank 1, thereby ensuring the internal The biogas slurry is always kept uniform to avoid precipitation of organic matter, etc. A scraper 13 is arranged on the outside of the stirring shaft 12, and the scraper 13 contacts the inner wall of the storage tank 1. A motor 14 is arranged on the inside of the front of the storage tank 1, and the motor 14 is connected to the rotating shaft 11, that is, the rotating shaft 11 is driven to rotate by the motor 14, and the liquid on the inner wall of the storage tank 1 is scraped off by the scraper 13 to avoid the liquid sticking to the wall. A mounting seat 5 is arranged at the bottom of the storage tank 1, and the mounting seat 5 is a bottom mounting structure of the device, which is used to install the storage tank 1.

[0023] A mounting frame 21 is provided at the rear side of the storage tank 1. The mounting frame 21 is a mounting structure for mounting other structures. A return-to-field liquid pumping pump 2 is provided on the mounting frame 21. An outlet 22 is provided at the bottom of the rear side of the storage tank 1. The liquid extraction point of the return-to-field liquid pumping pump 2 is connected to the outside of the outlet 22. The return-to-field liquid pumping pump 2 extracts the biogas slurry inside the storage tank 1 through the outlet 22. A liquid spraying pipe 23 is provided at the liquid spraying point of the return-to-field liquid pumping pump 2. A plurality of nozzles 24 are provided outside the liquid spraying pipe 23. The return-to-field liquid pump 2 outputs the extracted biogas slurry to the liquid spraying pipe 23, and sprays it out through the plurality of nozzles 24, thereby performing effective return-to-field operation. A loading liquid pumping pump 3 is provided on one side of the top of the storage tank 1. An inlet 33 is provided on the inner side of the top of the storage tank 1. The liquid outlet of the loading liquid pumping pump 3 is connected to the inlet 33, that is, the purified biogas slurry is extracted by the loading liquid pump 3 and transported to the inside of the storage tank 1 through the inlet 33.

[0024] A filter box 31 is provided on one side of the storage tank 1, and a connection port 32 is provided on the top of the filter box 31. The filter box 31 is a filtering structure. The connection port 32 is connected to the liquid pumping part of the feeding liquid pumping pump 3, so that the feeding liquid pumping pump 3 filters the biogas slurry through the filter box 31 before pumping liquid and feeding, thereby preventing impurities from entering the storage tank 1. A filter screen 34 is provided inside the filter box 31, and the filter screen 34 is used to filter impurities. A threaded interface 43 is provided at the end of the liquid pumping pipe 4, and a threaded pipe 42 is provided on one side of the filter box 31. The threaded interface 43 is threadedly connected to the threaded pipe 42 That is, the threaded pipe 42 is connected through the threaded interface 43, so that the liquid extraction pipe 4 is connected to the filter box 31, that is, the top of the liquid extraction pipe 4 is connected to the biogas slurry, so as to extract. A limiting net 41 is provided on the top of the liquid extraction pipe 4, and large impurities are filtered through the limiting net 41 to avoid clogging. A cleaning port 44 is provided on the top of the filter box 31, and the cleaning port 44 is used to clean the impurities inside the filter box 31. A threaded plugging cover 45 is provided at the bottom of the cleaning port 44, and the threaded plugging cover 45 is threadedly connected to the outer side of the cleaning port 44, that is, the cleaning port 44 is opened and closed by the threaded plugging cover 45.

[0025] The working principle of the utility model is as follows: the device is connected to the threaded pipe 42 through the threaded interface 43, so that the liquid extraction pipe 4 is connected to the filter box 31, the top of the liquid extraction pipe 4 is connected to the biogas slurry, the purified biogas slurry is extracted by the feeding liquid extraction pump 3, and it is transported to the inside of the storage tank 1 through the inlet 33, the large impurities are filtered through the limiting net 41, and the biogas slurry is filtered through the filter net 34 in the filter box 31, so as to prevent impurities from entering the storage tank 1, and the cleaning port 44 is opened and closed by the threaded plug cover 45, so as to prevent the impurities from entering the storage tank 1. The impurities inside the filter box 31 are cleaned through the cleaning port 44, and the rotating shaft 11 is driven to rotate by the motor 14, so that the stirring shaft 12 stirs the biogas slurry in the storage tank 1 to ensure that the biogas slurry inside is always uniform, and the liquid on the inner wall of the storage tank 1 is scraped off by the scraper bar 13 to prevent the liquid from sticking to the wall. The field return liquid pump 2 extracts the biogas slurry inside the storage tank 1 through the outlet 22, and outputs the extracted biogas slurry to the spray pipe 23, and sprays it out through multiple nozzles 24, thereby performing effective field return operations.

[0026] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A device for returning purified biogas slurry to farmland, comprising a storage tank (1) and a liquid extraction pipe (4), characterized in that: The storage tank (1) is provided with a rotating shaft (11) inside, and a stirring shaft (12) is provided outside the rotating shaft (11); a mounting frame (21) is provided at the rear side of the storage tank (1), and a return-to-field liquid pumping pump (2) is provided on the mounting frame (21); an outlet (22) is provided at the bottom of the rear side of the storage tank (1); a liquid pumping point of the return-to-field liquid pumping pump (2) is connected to the outside of the outlet (22); a liquid spraying pipe (23) is provided at the liquid spraying point of the return-to-field liquid pumping pump (2), and a plurality of spray heads (24) are provided outside the liquid spraying pipe (23); a feeding liquid pumping pump (3) is provided on one side of the top of the storage tank (1); An inlet (33) is provided on the inner side of the top of the storage tank (1), and the liquid outlet of the feeding liquid pump (3) is connected to the inlet (33). A filter box (31) is provided on one side of the storage tank (1), and a connection port (32) is provided on the top of the filter box (31), and the liquid extraction point of the feeding liquid pump (3) is connected to the connection port (32). A filter screen (34) is provided inside the filter box (31), and a threaded interface (43) is provided at the end of the liquid extraction pipe (4). A threaded connecting pipe (42) is provided on one side of the filter box (31), and the threaded interface (43) is threadedly connected to the threaded connecting pipe (42).

2. The device for returning purified biogas slurry to farmland according to claim 1, characterized in that: A scraper (13) is arranged on the outside of the stirring shaft (12), and a motor (14) is arranged on the inside of the front of the storage tank (1), and the motor (14) is connected to the rotating shaft (11).

3. The device for returning purified biogas slurry to farmland according to claim 1, characterized in that: A limiting net (41) is provided on the top of the liquid extraction tube (4).

4. The device for returning purified biogas slurry to farmland according to claim 1, characterized in that: The top of the filter box (31) is provided with a cleaning port (44).

5. The device for returning purified biogas slurry to farmland according to claim 4, characterized in that: A threaded plugging cover (45) is provided at the bottom of the cleaning port (44), and the threaded plugging cover (45) is threadedly connected to the outer side of the cleaning port (44).

6. The device for returning purified biogas slurry to fields according to claim 1, characterized in that: A mounting seat (5) is provided at the bottom of the material storage tank (1).

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