Biogas slurry aeration drip irrigation water and fertilizer integrated equipment

Abstract

The utility model relates to the technical field of biogas slurry drip irrigation and fertilization, and discloses biogas slurry aeration drip irrigation water and fertilizer integrated equipment which comprises a vehicle body mounted at the tail end of advancing equipment; the filtering assembly comprises a filtering tank, a box body and a filtering part, the box body is detachably connected into the filtering tank, and the filtering part is arranged in the box body, is used for filtering impurities and oil stains in the biogas slurry and is configured to clean the impurities and the oil stains filtered by the filtering part by disassembling the box body; the driving assembly is arranged on the filtering tank, and when the box body is mounted in the filtering tank, the driving assembly is in transmission connection with the filtering part; the mixing assembly comprises a mixing tank and a mixing part, the mixing tank is fixedly connected to the top end of the vehicle body and communicated with the filtering tank through a pipeline, the mixing part is arranged in the mixing tank and used for mixing biogas slurry and fertilizer, and a drip irrigation head is arranged on the mixing tank and used for drip irrigation of water and fertilizer. According to the utility model, efficient filtration of biogas slurry and preparation of biogas slurry water and fertilizer are realized, equipment blockage is avoided, stable drip irrigation is ensured, blockage is avoided, and cleaning is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to biogas slurry drip irrigation fertilization technical field, especially a kind of biogas slurry aeration drip irrigation water and fertilizer integration equipment. BACKGROUND

[0002] Biogas slurry is liquid formed after fermentation of organic matter, contains various chlorine-based acids, vitamins, proteins, growth hormones, sugars, nucleic acids and antibiotics, etc., therefore, biogas slurry is often made into biogas slurry compound microbial fertilizer for use in agricultural production.

[0003] Because biogas slurry contains a large amount of impurities and oil stains, etc., directly mixed with fertilizer, it is easy to cause the mixed water and fertilizer to block the drip irrigation head in the drip irrigation process due to too many impurities, thereby affecting the overall drip irrigation efficiency, in order to realize the stability of its drip irrigation, the prior art usually filters the impurities in biogas slurry through filter screen, but the filtering effect is not ideal, there are still a large amount of small impurities after filtering, and it cannot realize the filtering treatment of oil stains, and the subsequent mixed fertilizer still has the drawback of blocking the drip irrigation head, and the filter screen is easy to be blocked by impurities during the filtering process, affecting the overall filtering efficiency.

[0004] Therefore, a biogas slurry aeration drip irrigation water and fertilizer integration equipment is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of biogas slurry aeration drip irrigation water and fertilizer integration equipment to solve the problems existing in the prior art.

[0006] To achieve the above object, the utility model provides the following scheme: the utility model provides a kind of biogas slurry aeration drip irrigation water and fertilizer integration equipment, including:

[0007] Vehicle body, is hung in the tail end of traveling equipment;

[0008] Filtering assembly, including filter tank, box and filter piece, the box can be detachably connected in the filter tank, the filter piece is arranged in the box for filtering impurities and oil stains in biogas slurry, and is configured to clean the impurities and oil stains filtered by the filter piece by detaching the box;

[0009] Drive assembly, is set on the filter tank, when the box is installed in the filter tank, the drive assembly is in transmission connection with the filter piece;

[0010] Mixing assembly, including mixing tank and mixing piece, the mixing tank is fixedly connected at the top end of the vehicle body and is communicated with the filter tank by pipeline, the mixing piece is arranged in the mixing tank for mixing biogas slurry and fertilizer, and the mixing tank is provided with drip irrigation head for drip irrigation water and fertilizer.

[0011] The utility model provides a kind of biogas slurry aeration drip irrigation water and fertilizer integration equipment, the filter piece includes:

[0012] Filter plate, the middle part of the box is provided with through-hole, the filter plate is fixedly connected in the top of the through-hole, for filtering the impurities in biogas slurry;

[0013] Filter screen, fixedly connected in the bottom of the through-hole, for filtering oil dirt in biogas slurry;

[0014] Rotating shaft, rotationally connected in the middle part of the filter plate, the filter screen, two cleaning scrapers are fixedly connected on the rotating shaft, and the two cleaning scrapers are respectively in sliding contact with the top end of the filter plate and the top end of the filter screen.

[0015] Hierarchical filtering and cleaning piece, arranged on the rotating shaft, for hierarchical filtering and cleaning the filter plate.

[0016] According to the utility model provides a kind of biogas slurry aeration drip irrigation water and fertilizer integration equipment, the hierarchical filtering and cleaning piece includes:

[0017] Support ring, is set on the rotating shaft and is fixedly connected below the filter plate, and a plurality of support frames are peripherally arranged on the support ring, a plurality of filter columns are fixedly connected on the support frame in the axial direction, a plurality of filter holes are formed on the filter plate, and the filter column is matched with the filter hole.

[0018] Dialing plate, fixedly connected on the rotating shaft, and configured to drive the support frame to move upward when the dialing plate is rotated below the support frame so that the filter column is inserted into the filter hole.

[0019] According to the utility model provides a kind of biogas slurry aeration drip irrigation water and fertilizer integration equipment, the filter column top end is fixedly connected with filter layer, and configured to when the filter column is inserted into the filter hole, the top end of the filter layer and the top end of the filter plate are located on the same horizontal plane.

[0020] According to the utility model provides a kind of biogas slurry aeration drip irrigation water and fertilizer integration equipment, a plurality of sliding grooves are peripherally formed on the inner wall of the through-hole and the outer wall of the support ring, a round rod is fixedly connected in the sliding groove, the both ends of the support frame are respectively fixedly connected with sliding block, the sliding block is slidingly connected on the round rod, the first spring is sleeved on the round rod, and the both ends of the first spring are respectively fixedly connected with the sliding block and the inner wall of the sliding groove.

[0021] According to the utility model provides a kind of biogas slurry aeration drip irrigation water and fertilizer integration equipment, the drive assembly includes:

[0022] A drive shaft is rotatably connected to the top end of the filter tank, a motor is fixedly connected to the top end of the filter tank, and the top end of the drive shaft is fixedly connected to the output shaft of the motor;

[0023] A telescopic shaft is slidably sleeved on the drive shaft through a side key and is connected to the drive shaft through a second spring, a rectangular block is fixedly connected to the bottom end of the telescopic shaft, a rectangular hole is formed in the top end of the rotating shaft, and the rectangular block is matched with the rectangular hole.

[0024] According to the biogas slurry aeration drip irrigation water and fertilizer integrated equipment, the recess is formed in the top and bottom of the box body, a sliding frame is slidably connected in the recess, a sealing plate is hingedly connected to the sliding frame, and the sealing plate can be upwardly / downwardly bent and mounted on the filter tank through bolts when the sealing plate slides out of the box body.

[0025] According to the biogas slurry aeration drip irrigation water and fertilizer integrated equipment, the mixing member comprises a stirring device installed in the mixing tank, a storage tank is fixedly connected to the top end of the mixing tank, the storage tank stores fertilizers and is in communication with the mixing tank, an aeration device is installed on the mixing tank, and an output end of the aeration device is in communication with the mixing tank.

[0026] According to the biogas slurry aeration drip irrigation water and fertilizer integrated equipment, a plurality of toggle rods are fixedly connected to one end of the telescopic shaft, and the other end of the toggle rods is in contact with the sealing plate.

[0027] According to the biogas slurry aeration drip irrigation water and fertilizer integrated equipment, the filter plate and the filter screen are circular truncated cone structures.

[0028] Compared with the prior art, the biogas slurry aeration drip irrigation water and fertilizer integrated equipment has the following advantages and technical effects:

[0029] The biogas slurry aeration drip irrigation water and fertilizer integrated equipment provided by the application has the following advantages and technical effects: BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described in the following are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0031] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0032] Figure 2 It is the present application Figure 1 A local enlarged view of the A part in the present application.

[0033] Figure 3 It is the present application Figure 1 A local enlarged view of the B part in the present application.

[0034] Figure 4 It is the present application Figure 1 A local enlarged view of the C part in the present application.

[0035] Figure 5 It is a schematic diagram of the filter structure of the present application.

[0036] 1, vehicle body; 2, filter tank; 3, mixing tank; 4, box; 5, pipeline; 6, drip irrigation head; 7, filter plate; 8, filter screen; 9, rotating shaft; 10, cleaning scraper; 11, support ring; 12, support frame; 13, filter column; 14, filter hole; 15, toggle plate; 16, filter layer; 17, chute; 18, round rod; 19, sliding block; 20, first spring; 21, drive shaft; 22, motor; 23, telescopic shaft; 24, second spring; 25, rectangular block; 26, rectangular hole; 27, groove; 28, sliding frame; 29, sealing plate; 30, bolt; 31, stirring device; 32, storage tank; 33, aeration device; 34, toggle rod. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0038] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail with reference to the drawings and specific embodiments.

[0039] In the related art, the existing biogas slurry aeration drip irrigation water and fertilizer system comprises a moving base, a push rod is fixedly connected to the upper end of the moving base, a treatment mechanism for treating biogas slurry is arranged on the moving base, the treatment mechanism comprises a biogas slurry tank fixedly connected to the upper end of the moving base, a first water pump and an aeration fan are fixedly connected to the upper end of the moving base, a dilution tank is fixedly connected to the upper end of the moving base, and a tank cover is arranged on the dilution tank. The treatment mechanism is arranged to integrate biogas slurry aeration and drip irrigation in one, the device has a small volume, does not need to use a large-scale biogas slurry drip irrigation and fertilization system to fertilize, thereby reducing the production cost caused by fertilization, and the filter mechanism and the cleaning plate are arranged, and the rotation of the cleaning plate can prevent impurities from blocking the mesh holes of the first filter screen, thereby ensuring the filtering efficiency of the impurities.

[0040] In the above related art, although the filter screen can be filtered, the filter screen is only cleaned by the cleaning plate, and the impurities stuck in the mesh holes of the filter screen cannot be removed, thereby the filter screen cannot be prevented from being blocked, and the subsequent filtering efficiency is affected.

[0041] In view of the problems in the above prior art, the utility model provides a biogas slurry aeration drip irrigation water and fertilizer integrated equipment:

[0042] With reference to Figures 1-5 The utility model provides a biogas slurry aeration drip irrigation water and fertilizer integrated equipment, which comprises:

[0043] The vehicle body 1 is mounted at the tail end of the traveling device.

[0044] The filter assembly comprises a filter tank 2, a box body 4 and a filter piece, the box body 4 is detachably connected in the filter tank 2, the filter piece is arranged in the box body 4 and is used for filtering impurities and oil stains in the biogas slurry, and is configured to clean the impurities and oil stains filtered by the filter piece by detaching the box body 4.

[0045] The driving assembly is arranged on the filter tank 2, and when the box body 4 is installed in the filter tank 2, the driving assembly is in transmission connection with the filter piece.

[0046] The mixing assembly comprises a mixing tank 3 and a mixing piece, the mixing tank 3 is fixedly connected to the top end of the vehicle body 1 and is in communication with the filter tank 2 through a pipeline 5, the mixing piece is arranged in the mixing tank 3 and is used for mixing the biogas slurry and the fertilizer, and the drip irrigation head 6 is arranged on the mixing tank 3 and is used for drip irrigation of water and fertilizer.

[0047] In an embodiment of the utility model, the vehicle body 1 is driven to move through the advancing device, the box body 4 is installed in the filter tank 2, the filter element is arranged to filter the impurities and oil stains in the biogas slurry transported into the filter tank 2, the biogas slurry after filtration is transported into the mixing tank 3, and the mixing element is arranged to aerate and mix with the fertilizer, to prepare the biogas slurry water fertilizer, and after preparation, the drip irrigation head 6 is used for drip irrigation of the water fertilizer, and simultaneously, along with the filtration process, the box body 4 is disassembled and cleaned after filtration is completed.

[0048] As an optional implementation, the filter element comprises:

[0049] The filter plate 7 is arranged in the middle of the box body 4 and is fixedly connected to the top of the through hole, and is used for filtering the impurities in the biogas slurry;

[0050] The filter screen 8 is fixedly connected to the bottom of the through hole and is used for filtering the oil stains in the biogas slurry;

[0051] The rotating shaft 9 is rotatably connected to the middle of the filter plate 7 and the filter screen 8, and the two cleaning scrapers 10 are fixedly connected to the rotating shaft 9, and the two cleaning scrapers 10 are in sliding contact with the top end of the filter plate 7 and the top end of the filter screen 8 respectively;

[0052] The hierarchical filter cleaning element is arranged on the rotating shaft 9 and is used for hierarchical filtering and cleaning of the filter plate 7.

[0053] In an embodiment of the utility model, referring to Figure 1 The filter plate 7 is used for preliminarily filtering the impurities in the biogas slurry, then the filter screen 9 is used for filtering the oil stains in the biogas slurry, and then the biogas slurry is obtained, and the filter screen 8 and the filter plate 7 are cleaned through the cleaning scraper 10, so that the overall filtering efficiency is ensured.

[0054] As an optional implementation, the hierarchical filter cleaning element comprises:

[0055] The support ring 11 is sleeved on the rotating shaft 9 and is fixedly connected below the filter plate 7, a plurality of support frames 12 are arranged on the support ring 11 in the circumferential direction, a plurality of filter columns 13 are fixedly connected to the support frame 12 in the axial direction, a plurality of filter holes 14 are formed in the filter plate 7, and the filter column 13 is matched with the filter hole 14.

[0056] The push plate 15 is fixedly connected to the rotating shaft 9, and when the push plate 15 is rotated to below the support frame 12, the support frame 12 is driven to move upward, so that the filter column 13 is inserted into the filter hole 14.

[0057] In an embodiment of the utility model, referring to Figure 3Supporting ring 11 is fixed below filter plate 7, supporting frame 12 is located below filter plate 7 and makes filter column 13 correspond to filter hole 14, when rotating shaft 9 drives toggle plate 15 to rotate, toggle plate 15 sequentially contacts supporting frame 12, and supporting frame 12 is lifted to make filter column 13 extend into filter hole 14, and filter column 13 is lifted to filter hole 14, and the filter material in filter hole 14 is lifted, and cleaning is realized.

[0058] Specifically, the toggle plate 15 can be provided with an inclined surface for lifting the supporting frame 12.

[0059] As an optional embodiment, the top end of the filter column 13 is fixedly connected with a filter layer 16, and the top end of the filter layer 16 is located on the same horizontal plane as the top end of the filter plate 7 when the filter column 13 extends into the filter hole 14.

[0060] In one embodiment of the utility model, referring to Figure 3 The filter hole diameter of the filter layer 16 is smaller than the hole diameter of the filter hole 14, and the two can filter different sizes of impurities, thereby realizing the fractional filtration of the biogas slurry impurities and ensuring the overall filtration effect.

[0061] As an optional embodiment, a plurality of sliding grooves 17 are formed on the inner side wall of the through hole and the outer side wall of the supporting ring 11 in the circumferential direction, a round rod 18 is fixedly connected in the sliding grooves 17, a sliding block 19 is fixedly connected at both ends of the supporting frame 12, the sliding block 19 is slidingly connected on the round rod 18, a first spring 20 is sleeved on the round rod 18, and both ends of the first spring 20 are fixedly connected with the sliding block 19 and the inner wall of the sliding groove 17.

[0062] In one embodiment of the utility model, referring to Figure 3 The first spring 20 is arranged to ensure the reset of the supporting frame 12.

[0063] As an optional embodiment, the driving assembly comprises:

[0064] A driving shaft 21 is rotatably connected at the top end inside the filter tank 2, a motor 22 is fixedly connected at the top end of the filter tank 2, and the top end of the driving shaft 21 extends out of the filter tank 2 and is fixedly connected with the output shaft of the motor 22;

[0065] A telescopic shaft 23 is slidingly sleeved on the driving shaft 21 through a side key and is connected with the driving shaft 21 through a second spring 24, a rectangular block 25 is fixedly connected at the bottom end of the telescopic shaft 23, a rectangular hole 26 is formed at the top end of the rotating shaft 9, and the rectangular block 25 is matched with the rectangular hole 26.

[0066] In one embodiment of the utility model, referring to Figure 2 The telescopic shaft 23 is telescopic through the second spring 24, which can drive the rotating shaft 9 to stably rotate and can separate the two.

[0067] As an alternative implementation, the top and bottom of the housing 4 are provided with grooves 27, and a sliding frame 28 is slidably connected in the grooves 27. A sealing plate 29 is hinged on the sliding frame 28 and is configured to be bent up / down and installed on the filter tank 2 by bolts 30 when the sealing plate 29 slides out of the housing 4.

[0068] In one embodiment of this utility model, reference is made to... Figure 1 , Figure 4 When the housing 4 is installed into the filter tank 2, the sealing plate 29 is pulled out. After being pulled out to a certain length, it is rotated at its hinge point, and the upper and lower sealing plates 29 are installed on the filter tank 2, so as to realize the convenient installation and disassembly of the housing 4 and the filter tank 2. At the same time, the filtration position can be sealed during disassembly to reduce the disadvantage of exposure of biogas residue.

[0069] As an optional implementation, the mixing component includes a stirring device 31 installed inside the mixing tank 3, a storage tank 32 fixedly connected to the top of the mixing tank 3, the storage tank 32 storing fertilizer and communicating with the mixing tank 3, and an aeration device 33 installed on the mixing tank 3, the output end of the aeration device 33 communicating with the mixing tank 3.

[0070] In one embodiment of this utility model, reference is made to... Figure 1 The biogas slurry is aerated by the aeration device 33 and the biogas slurry and fertilizer in the mixing tank 3 are mixed by the stirring device 31.

[0071] As an optional implementation, a plurality of actuating rods 34 are fixedly connected to one end of the telescopic shaft 23, and the other end of the actuating rods 34 contacts the sealing plate 29.

[0072] In one embodiment of this utility model, reference is made to... Figure 2 Several levers 34 are distributed circumferentially on the telescopic shaft 23. When the sealing plate 29 seals the box 4, the sliding sealing plate 29 first contacts the levers 34. The contact with the sealing plate 29 drives the levers 34 to move upward, which in turn drives the telescopic shaft 23 to retract upward, separating it from the rotating shaft 9, thus achieving the sealing of the box 4 by the sealing plate 29. Conversely, after the box 4 is installed, when the sealing plate 29 is pulled out, the telescopic shaft 23 is connected to the rotating shaft 9.

[0073] Specifically, one end of the sliding frame 28 can be set as an inclined structure to lift the lever 34.

[0074] As an optional implementation, the filter plate 7 and the filter screen 8 are frustum-shaped structures.

[0075] In one embodiment of this utility model, reference is made to... Figure 1 Both the filter plate 7 and the filter screen 8 are frustum-shaped structures, which further ensures filtration efficiency and avoids the accumulation of impurities and oil.

[0076] In the description of the utility model, need understanding is, the orientation or position relation that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate is based on the orientation or position relation shown in the drawing, just is for the convenience of describing the utility model, and is not indicate or imply the device or element that is indicated must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the limitation to the utility model.

[0077] The above-described embodiments are only preferred modes of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the technical scheme of the utility model made by those skilled in the art without departing from the design spirit of the utility model should fall within the protection scope defined by the claims of the utility model.

Claims

1. A biogas slurry aeration drip irrigation water and fertilizer integrated equipment, characterized in that, The utility model relates to a kind of biogas slurry and fertilizer mixing vehicle, including: Vehicle body (1), is hung in the tail end of traveling equipment; Filtering assembly, including filter tank (2), box (4) and filter piece, the box (4) is detachably connected in the filter tank (2), the filter piece is arranged in the box (4) for filtering impurities and oil dirt in biogas slurry, and be configured to clean the impurities and oil dirt filtered by the filter piece by detaching the box (4); Drive assembly, arranged on the filter tank (2), when the box (4) is installed in the filter tank (2), the drive assembly is drivingly connected with the filter piece; Mixing assembly, including mixing tank (3) and mixing piece, the mixing tank (3) is fixedly connected at the top of the vehicle body (1) and is communicated with the filter tank (2) by pipeline (5), the mixing piece is arranged in the mixing tank (3) for mixing biogas slurry and fertilizer, drip irrigation head (6) is arranged on the mixing tank (3) for drip irrigation water and fertilizer.

2. The biogas slurry aeration, drip irrigation, water and fertilizer integrated equipment according to claim 1, characterized in that, The filter piece includes: Filter plate (7), the middle part of the box (4) is provided with through hole, the filter plate (7) is fixedly connected in the through hole top, for filtering impurities in biogas slurry; Filter screen (8), fixedly connected in the through hole bottom, for filtering oil dirt in biogas slurry; Rotary shaft (9), rotationally connected in the middle part of the filter plate (7), the filter screen (8), two cleaning scrapers (10) are fixedly connected on the rotary shaft (9), two the cleaning scrapers (10) are respectively in sliding contact with the filter plate (7) top and the filter screen (8) top; Hierarchical filtering cleaning piece, arranged on the rotary shaft (9), for hierarchical filtering and cleaning the filter plate (7).

3. The biogas slurry aeration, drip irrigation, water and fertilizer integrated equipment according to claim 2, characterized in that, The hierarchical filtering cleaning piece includes: Support ring (11), is sleeved on the rotary shaft (9) and is fixedly connected below the filter plate (7), the support ring (11) is peripherally provided with a plurality of support frames (12), a plurality of filter columns (13) are fixedly connected on the support frame (12) in axial direction, a plurality of filter holes (14) are formed in the filter plate (7), the filter column (13) is matched with the filter hole (14); Dialing plate (15), fixedly connected on the rotary shaft (9), and be configured when the dialing plate (15) is rotated to below the support frame (12), drive the support frame (12) to move upwards so that the filter column (13) is inserted into the filter hole (14).

4. The biogas slurry aeration, drip irrigation, water and fertilizer integrated equipment according to claim 3, characterized in that: The filter column (13) top is fixedly connected with filter layer (16), and be configured when the filter column (13) is inserted into the filter hole (14), the filter layer (16) top and the filter plate (7) top are located on the same horizontal plane.

5. The biogas slurry aeration, drip irrigation, water and fertilizer integrated equipment according to claim 3, characterized in that: A plurality of sliding grooves (17) are arranged on the inner side wall of the through hole and the outer side wall of the support ring (11) in the circumferential direction, a round rod (18) is fixedly connected in the sliding groove (17), a sliding block (19) is fixedly connected at the two ends of the support frame (12), the sliding block (19) is slidingly connected on the round rod (18), a first spring (20) is sleeved on the round rod (18), and the two ends of the first spring (20) are fixedly connected with the sliding block (19) and the inner wall of the sliding groove (17).

6. The biogas slurry aeration, drip irrigation, water and fertilizer integrated equipment according to claim 2, characterized in that, The driving assembly comprises: A driving shaft (21) is rotatably connected at the top end inside the filter tank (2), a motor (22) is fixedly connected at the top end of the filter tank (2), the top end of the driving shaft (21) is fixedly connected with the output shaft of the motor (22); A telescopic shaft (23) is slidingly sleeved on the driving shaft (21) through a side key and connected with the driving shaft (21) through a second spring (24), a rectangular block (25) is fixedly connected at the bottom end of the telescopic shaft (23), and a rectangular hole (26) is arranged at the top end of the rotating shaft (9), the rectangular block (25) is matched with the rectangular hole (26).

7. The biogas slurry aeration, drip irrigation, water and fertilizer integrated equipment according to claim 6, characterized in that: A recess (27) is arranged at the top and bottom of the box (4), a sliding frame (28) is slidingly connected in the recess (27), and a sealing plate (29) is hingedly connected on the sliding frame (28) and configured to be bent upward / downward and installed on the filter tank (2) by a bolt (30) when the sealing plate (29) slides out of the box (4).

8. The biogas slurry aeration, drip irrigation, water and fertilizer integrated equipment according to claim 1, characterized in that: The mixing device comprises a stirring device (31) installed in the mixing tank (3), a storage tank (32) is fixedly connected at the top end of the mixing tank (3), the storage tank (32) stores fertilizers and is in communication with the mixing tank (3), an aeration device (33) is installed on the mixing tank (3), and the output end of the aeration device (33) is in communication with the mixing tank (3).

9. The biogas slurry aeration drip irrigation water and fertilizer integrated device according to claim 7, characterized in that: A plurality of toggle levers (34) are fixedly connected at one end of the telescopic shaft (23), and the other end of the toggle lever (34) is in contact with the sealing plate (29).

10. The biogas slurry aeration drip irrigation water and fertilizer integrated equipment according to claim 2, characterized in that: The filter plate (7) and the filter screen (8) are circular truncated cone structures.

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