Solid-liquid separation device for biogas slurry water fertilizer production

Abstract

The utility model relates to the technical field of biogas slurry, water and fertilizer, and discloses a solid-liquid separation device for biogas slurry, water and fertilizer production, which comprises an extruder and a filter barrel, the extruder comprises a support, a barrel body, an extrusion motor, a connecting plate and an extrusion shaft, and the bottom of the barrel body is fixedly connected with the top of the support. By arranging the extruding machine, the support, the barrel body and other structural components, biogas slurry, water and fertilizer raw materials are extruded through the extruding machine, fertilizer and water are filtered and separated through the filtering barrel, the filtering opening is cleaned through the cleaning pipe, and biogas slurry, water and fertilizer can be conveniently filled into the storage barrel through the feeding opening; the transmission assembly drives the storage barrel to rotate in the reverse rotation process of the connecting plate, the storage barrel is supported through the supporting assembly, the effect of cleaning the filtering opening from different angles is achieved, and the problems that the water spraying angle of the cleaning pipe is fixed, the angle of water flow making contact with the filtering hole is fixed, and the cleaning effect on other positions of the filtering hole is poor are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of biogas slurry water fertilizer, and in particular relates to a solid-liquid separation device for biogas slurry water fertilizer production. Background Art

[0002] Biogas slurry fertilizer is a high-quality organic fertilizer, which is obtained by treating the fermented liquid in the biogas digester. Biogas slurry is rich in nitrogen, phosphorus, potassium and other plant nutrients, as well as a large amount of organic matter and microorganisms. It has a very significant effect on improving soil fertility, improving soil structure and promoting crop growth.

[0003] The prior art discloses a solid-liquid separation device for biogas slurry and biogas residue, and the publication number is: CN211752897U. The utility model relates to a solid-liquid separation device for biogas slurry and biogas residue, comprising a barrel-shaped shell, one side of the shell is sealed and connected to a support plate, and the other side thereof is provided with a slag outlet, the upper end of the shell is provided with a first feed inlet, and the lower end of the other side thereof is provided with a liquid outlet, a horizontal extrusion rod is provided in the shell, one end of the extrusion rod passes through the support plate and is connected to a driving device fixed to the outside of the support plate, a coaxial filter barrel is provided on the outside of the shell, a plurality of filter holes are opened on the side wall of the filter barrel, one end of the filter barrel is fixedly connected to the support plate, and the other end thereof is connected to the slag outlet through a filter barrel. The retaining ring is sealed and connected, and a second feed port is provided on the filter barrel, and the first feed port is connected to the second feed port through a feed cylinder; a plurality of mutually interconnected cleaning pipes are provided on the outside of the shell, and the cleaning pipe is connected to a spray pipe penetrating the shell, and the liquid outlet is connected to the liquid outlet pipe, and the liquid outlet pipe is connected to the return pipe, and a pipeline pump is provided on the return pipe. The utility model can clean the filter holes, has high solid-liquid separation efficiency, and can realize continuous production of solid-liquid separation. Through searching, the above is a case that is closer to the prior art. The problems existing in the above technology are: the water spraying angle of the cleaning pipe is fixed, and the angle at which the water flow contacts the filter holes is fixed, and the cleaning effect on other positions of the filter holes is not good. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a solid-liquid separation device for biogas slurry water fertilizer production which can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is implemented as follows: a solid-liquid separation device for biogas slurry and water fertilizer production comprises an extruder and a filter barrel, the extruder comprises a bracket, a barrel body, an extrusion motor, a connecting plate and an extrusion shaft, the bottom of the barrel body is fixedly connected to the top of the bracket, the bottom of the extrusion motor is fixedly connected to the left side of the top of the bracket, the connecting plate is located on the left side of the barrel body, the right side of the output end of the extrusion motor is fixedly connected to the left side of the connecting plate, the right side of the connecting plate is fixedly connected to the left side of the extrusion shaft, the filter barrel comprises a storage barrel, a connecting port, a plurality of filter ports and a convex block, the left side of the storage barrel is movably connected to the surface of the connecting plate, the surface of the extrusion shaft is movably connected to the inside of the storage barrel, the bottom of the connecting port is fixedly connected to the top of the storage barrel, the plurality of filter ports are all opened at the bottom of the storage barrel, and the bottom of the convex block is fixedly connected to the right side of the top of the storage barrel;

[0006] The extruder is used to extrude the biogas slurry and fertilizer;

[0007] The filter barrel is used to filter and separate fertilizer and water during the process of biogas slurry water and fertilizer extrusion.

[0008] In order to facilitate the cleaning of multiple filter ports, preferably, a discharge port is installed on the right side of the barrel body, the bottom of the barrel body is fixedly connected to a drain port, the top of the barrel body is fixedly connected to a cleaning pipe, the top of the barrel body is provided with a feed port, a transmission assembly is provided inside the connecting plate, a support assembly is provided on the right side of the barrel body, the cleaning pipe is connected to a water pump, and water is sprayed onto the surface of the storage barrel through the cleaning pipe. By starting the extrusion motor to reverse, the connecting plate is driven to rotate during the reversal of the output end of the extrusion motor, and the storage barrel is driven to rotate through the transmission assembly during the rotation of the connecting plate, and the multiple filter ports are driven to rotate during the rotation of the storage barrel, so that the multiple filter ports can be cleaned at different angles through the cleaning pipe.

[0009] In order to facilitate the filling of the biogas slurry, water and fertilizer raw materials into the interior of the storage barrel, preferably, the feed port includes a feed pipe, two connecting seats and a connecting ring, the bottom of the feed pipe is movably connected to the inside of the connecting port, the bottoms of the two connecting seats are fixedly connected to the top of the barrel body, the left and right sides of the connecting ring are respectively fixedly connected to the opposite ends of the two connecting seats, the surface of the feed pipe is connected to the internal threads of the connecting ring, the biogas slurry, water and fertilizer raw materials are transported through the feed pipe, and the flow direction of the biogas slurry, water and fertilizer is restricted by the feed pipe to prevent the biogas slurry, water and fertilizer from falling on the outside of the storage barrel.

[0010] In order to drive the storage bucket to rotate during the rotation of the connecting plate, preferably, the transmission assembly includes a connecting disk, multiple connecting springs and multiple connecting blocks, the left and right sides of the connecting disk are respectively fixedly connected to the left and right sides inside the connecting plate, the opposite ends of the multiple connecting springs are fixedly connected to the surface of the connecting disk, the opposite sides of the multiple connecting springs are respectively fixedly connected to the opposite ends of the multiple connecting blocks, the opposite sides of the multiple connecting blocks are movably connected to the left side inside the storage bucket, and the surfaces of the multiple connecting blocks are divided into arc surfaces and straight surfaces. During the forward rotation of the connecting plate, the multiple connecting blocks are driven to rotate forward, and the arc surfaces of the multiple connecting blocks squeeze the inner wall of the storage bucket. The supporting assembly limits the rotation of the storage bucket, the multiple connecting blocks move to the opposite ends, and the multiple connecting springs are deformed, so that the storage bucket remains stable during the process of the extrusion shaft driving the biogas slurry, water and fertilizer to move, and the multiple connecting blocks are driven to reverse during the reversal of the connecting plate. During the reversal of the multiple connecting blocks, the straight surfaces of the multiple connecting blocks contact the storage bucket, thereby driving the storage bucket to rotate.

[0011] In order to support the storage barrel and keep the storage barrel stable during the process of squeezing biogas slurry and fertilizer, preferably, the support assembly includes a support ring, two fixing seats and an adjusting bolt, the interior of the support ring is movably connected to the surface of the storage barrel, the right side of the protrusion can be plug-connected to the interior of the support ring, the surface of the support ring is slidably connected to the right side of the interior of the barrel body, the two fixing seats are respectively located at the top on the left and right sides of the support ring, the tops of the two fixing seats are fixedly connected to the right side of the top inside the barrel body, the adjusting bolt is movably connected to the interiors of the two fixing seats near the interiors of the two fixing seats, the surface of the adjusting bolt is threadedly connected to the top of the interior of the support ring, and the right side of the surface of the adjusting bolt is movably connected to the top of the right side of the interior of the barrel body, the storage barrel is supported by the support ring, and when the protrusion is inserted into the support ring, the support ring limits the movement of the protrusion, thereby preventing the storage barrel from rotating, thereby keeping the storage barrel stable.

[0012] In order to prevent the multiple connecting blocks from tilting during the movement and causing the connecting plates to rotate and get stuck, preferably, the interiors of the multiple connecting springs are plugged with sliding rods, and the sides of the connecting plates close to the multiple sliding rods are respectively fixedly connected to the opposite ends of the multiple sliding rods, and the surfaces of the multiple sliding rods are slidably connected to the interiors of the multiple connecting blocks. The moving directions of the multiple connecting blocks are limited by the multiple sliding rods, so that the multiple connecting blocks remain stable during the movement, thereby preventing the multiple connecting blocks from tilting.

[0013] In order to keep the support ring stable during the movement, preferably, a plurality of limit rods are fixedly connected to the interior of the barrel body, and the surfaces of the plurality of limit rods are slidably connected to the interior of the support ring. The moving direction of the support ring is limited by the plurality of limit rods, thereby keeping the support ring stable during the movement.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model is provided with structural components such as an extruder, a bracket, a barrel body, an extrusion motor, a connecting plate, an extrusion shaft, a filter barrel, a storage barrel, a connecting port, a filter port and a convex block. The extruder is used to extrude biogas slurry, water and fertilizer raw materials, the filter barrel is used to filter and separate fertilizer and water, the filter port is cleaned by a cleaning pipe, the biogas slurry, water and fertilizer are conveniently filled into the storage barrel through the feed port, the storage barrel is driven to rotate during the reversal of the connecting plate by a transmission component, and the storage barrel is supported by a supporting component, thereby achieving the effect of cleaning the filter port from different angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a three-dimensional structure provided by an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the interior of the barrel provided by the embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure inside the connecting plate provided by the embodiment of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure inside the storage bucket provided by an embodiment of the utility model.

[0020] In the figure: 1. extruder; 1a. bracket; 1b. barrel; 1c. extrusion motor; 1d. connecting plate; 1e. extrusion shaft; 2. filter barrel; 2a. storage barrel; 2b. connecting port; 2c. filter port; 2d. bump; 3. discharge port; 4. drain port; 5. cleaning pipe; 6. feed port; 601. material pipe; 602. connecting seat; 603. connecting ring; 7. transmission assembly; 701. connecting plate; 702. connecting spring; 703. connecting block; 8. support assembly; 801. support ring; 802. fixing seat; 803. adjusting bolt; 9. sliding rod; 10. limiting rod. DETAILED DESCRIPTION

[0021] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0022] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0023] like Figures 1 to 4As shown, a solid-liquid separation device for biogas slurry water fertilizer production provided by an embodiment of the utility model comprises an extruder 1 and a filter barrel 2, the extruder 1 comprises a bracket 1a, a barrel body 1b, an extrusion motor 1c, a connecting plate 1d and an extrusion shaft 1e, the bottom of the barrel body 1b is fixedly connected to the top of the bracket 1a, the bottom of the extrusion motor 1c is fixedly connected to the left side of the top of the bracket 1a, the connecting plate 1d is located on the left side inside the barrel body 1b, the right side of the output end of the extrusion motor 1c is fixedly connected to the left side of the connecting plate 1d, the right side of the connecting plate 1d is fixedly connected to the left side of the extrusion shaft 1e, the filter barrel 2 comprises a storage barrel 2a, a connecting port 2b, a plurality of filter ports 2c and a protrusion 2d, the left side inside the storage barrel 2a is movably connected to the surface of the connecting plate 1d, and the extruder 1e is fixedly connected to the left side of the extrusion shaft 1e. The surface of the pressing shaft 1e is movably connected to the inside of the storage barrel 2a, the bottom of the connecting port 2b is fixedly connected to the top of the storage barrel 2a, multiple filter ports 2c are opened at the bottom of the storage barrel 2a, and the bottom of the protrusion 2d is fixedly connected to the right side of the top of the storage barrel 2a; the extruder 1 is used to extrude the biogas slurry and fertilizer; the filter barrel 2 is used to filter and separate the fertilizer and water during the extrusion of the biogas slurry and fertilizer. In order to facilitate the cleaning of the multiple filter ports 2c, a discharge port 3 is installed on the right side of the barrel body 1b, a drain port 4 is fixedly connected to the bottom of the barrel body 1b, a cleaning pipe 5 is fixedly connected to the top of the barrel body 1b, a feed port 6 is provided on the top of the barrel body 1b, a transmission component 7 is provided inside the connecting plate 1d, and the inside of the barrel body 1b A support assembly 8 is provided on the right side, and a cleaning pipe 5 is connected to a water pump. Water flows through the cleaning pipe 5 and is sprayed onto the surface of the storage barrel 2a. By starting the extrusion motor 1c to reverse, the connecting plate 1d is driven to rotate during the reversal of the output end of the extrusion motor 1c. During the rotation of the connecting plate 1d, the storage barrel 2a is driven to rotate through the transmission assembly 7. During the rotation of the storage barrel 2a, multiple filter ports 2c are driven to rotate, so that the multiple filter ports 2c are cleaned at different angles through the cleaning pipe 5. In order to facilitate the filling of the biogas slurry, water and fertilizer raw materials into the interior of the storage barrel 2a, the feed port 6 includes a feed pipe 601, two connecting seats 602 and a connecting ring 603. The bottom of the feed pipe 601 is movably connected to the interior of the connecting port 2b. The two connecting seats 602 are The bottom is fixedly connected to the top of the barrel body 1b, the left and right sides of the connecting ring 603 are fixedly connected to the opposite ends of the two connecting seats 602 respectively, the surface of the material pipe 601 is connected to the internal thread of the connecting ring 603, the biogas slurry, water and fertilizer raw materials are transported through the material pipe 601, and the flow direction of the biogas slurry, water and fertilizer is limited by the material pipe 601 to prevent the biogas slurry, water and fertilizer from falling on the outside of the storage barrel 2a. In order to drive the storage barrel 2a to rotate during the rotation of the connecting plate 1d, the transmission assembly 7 includes a connecting disk 701, a plurality of connecting springs 702 and a plurality of connecting blocks 703. The left and right sides of the connecting disk 701 are fixedly connected to the left and right sides of the inside of the connecting plate 1d respectively, and the opposite ends of the plurality of connecting springs 702 are fixedly connected to the surface of the connecting disk 701.The opposite sides of the multiple connecting springs 702 are respectively fixedly connected to the opposite ends of the multiple connecting blocks 703, and the opposite sides of the multiple connecting blocks 703 are movably connected to the left side of the storage bucket 2a. The surfaces of the multiple connecting blocks 703 are divided into arc surfaces and straight surfaces. The multiple connecting blocks 703 are driven to rotate forward during the forward rotation of the connecting plate 1d. The arc surfaces of the multiple connecting blocks 703 squeeze the inner wall of the storage bucket 2a. The support component 8 limits the rotation of the storage bucket 2a. The multiple connecting blocks 703 move toward the opposite end, and the multiple connecting springs 702 are deformed, so that the storage bucket 2a remains stable during the process of the extrusion shaft 1e driving the biogas slurry and fertilizer to move. The multiple connecting blocks 703 are driven to reverse during the reversal of the connecting plate 1d. During the reversal of the connecting block 703, the straight surfaces of the multiple connecting blocks 703 contact the storage barrel 2a, thereby driving the storage barrel 2a to rotate. In order to support the storage barrel 2a and keep the storage barrel 2a stable during the squeezing of the biogas slurry and fertilizer, the supporting assembly 8 includes a supporting ring 801, two fixing seats 802 and an adjusting bolt 803. The interior of the supporting ring 801 is movably connected to the surface of the storage barrel 2a, the right side of the protrusion 2d can be plug-connected to the interior of the supporting ring 801, and the surface of the supporting ring 801 is slidably connected to the right side of the interior of the barrel body 1b. The two fixing seats 802 are respectively located at the top of the left and right sides of the supporting ring 801, and the tops of the two fixing seats 802 are both fixed to the right side of the top of the interior of the barrel body 1b. The inner parts of the adjusting bolts 803 near the two fixing seats 802 are movably connected with the inner parts of the two fixing seats 802, the surface of the adjusting bolts 803 is threadedly connected with the top of the inner part of the support ring 801, and the right side of the surface of the adjusting bolts 803 is movably connected with the top of the right side of the inner part of the barrel body 1b, and the storage barrel 2a is supported by the support ring 801. When the protrusion 2d is inserted into the support ring 801, the support ring 801 limits the movement of the protrusion 2d, thereby preventing the storage barrel 2a from rotating and keeping the storage barrel 2a stable. In order to prevent the multiple connecting blocks 703 from tilting during the movement, causing the connecting plate 1d to rotate and get stuck, the inner parts of the multiple connecting springs 702 are all plugged with sliding rods 9 , the side of the connecting plate 701 close to the multiple sliding rods 9 is fixedly connected to the opposite ends of the multiple sliding rods 9 respectively, and the surfaces of the multiple sliding rods 9 are all slidably connected to the inside of the multiple connecting blocks 703. The multiple sliding rods 9 limit the moving direction of the multiple connecting blocks 703, so that the multiple connecting blocks 703 remain stable during the movement, thereby preventing the multiple connecting blocks 703 from tilting. In order to keep the support ring 801 stable during the movement, the barrel body 1b is fixedly connected to the inside with multiple limiting rods 10, and the surfaces of the multiple limiting rods 10 are all slidably connected to the inside of the support ring 801. The moving direction of the support ring 801 is limited by the multiple limiting rods 10, so that the support ring 801 remains stable during the movement. ,

[0024] The working principle of this utility model:

[0025] When the biogas slurry, water and fertilizer are subjected to solid-liquid separation, the biogas slurry, water and fertilizer are filled into the storage barrel 2a through the material pipe 601, and the extrusion motor 1c is started to rotate forward. The output end of the extrusion motor 1c drives the connecting plate 1d to rotate forward. During the forward rotation of the connecting plate 1d, the multiple connecting blocks 703 and the extrusion rod are driven to rotate forward. The arc surfaces of the multiple connecting blocks 703 squeeze the inner wall of the storage barrel 2a, and the support ring 801 limits the rotation of the protrusion 2d, so that the storage barrel 2a remains stable. The multiple connecting blocks 703 move toward the opposite end, and the multiple connecting springs 702 are deformed. The extrusion shaft 1e drives the biogas slurry, water and fertilizer to move and squeeze the biogas slurry, water and fertilizer, and the water in the biogas slurry, water and fertilizer flows out of the storage barrel 2a through the multiple filter ports 2c, and the water is discharged through the drain port 4. After the water in the biogas slurry, water and fertilizer is squeezed out, the fertilizer is taken out through the discharge port 3, and the multiple filter ports 2c need to be cleaned. , the adjusting bolt 803 and the material pipe 601 are rotated, and the adjusting bolt 803 drives the support ring 801 to move rightward during the rotation, and the support ring 801 is disengaged from the protrusion 2d, and the material pipe 601 moves upward during the rotation, and the material pipe 601 is disengaged from the connecting port 2b, the cleaning pipe 5 is connected to the water pump, and the water flow is sprayed onto the surface of the storage bucket 2a through the cleaning pipe 5, and the extrusion motor 1c is started to reverse, and the extrusion motor 1c drives the connecting plate 1d to rotate during the reversal, and drives the multiple connecting blocks 703 to reverse during the reversal of the connecting plate 1d, and the multiple connecting blocks 703 are reversed during the reversal of the multiple connecting blocks 703, and the direct surfaces of the multiple connecting blocks 703 are in contact with the storage bucket 2a, thereby driving the storage bucket 2a to rotate, and the storage bucket 2a drives the multiple filter ports 2c to rotate during the rotation, so that the multiple filter ports 2c are cleaned at different angles through the cleaning pipe 5.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] The above description is only a preferred embodiment of the utility model, and does not constitute any form of limitation to the utility model. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent will not depart from the scope of the technical solution of the utility model.

Claims

1. A solid-liquid separation device for biogas slurry fertilizer production, comprising an extruder (1) and a filter barrel (2), characterized in that: The extruder (1) comprises a bracket (1a), a barrel (1b), an extrusion motor (1c), a connecting plate (1d) and an extrusion shaft (1e), wherein the bottom of the barrel (1b) is fixedly connected to the top of the bracket (1a), the bottom of the extrusion motor (1c) is fixedly connected to the left side of the top of the bracket (1a), the connecting plate (1d) is located on the left side inside the barrel (1b), the right side of the output end of the extrusion motor (1c) is fixedly connected to the left side of the connecting plate (1d), and the right side of the connecting plate (1d) is fixedly connected to the left side of the extrusion shaft (1e). The filter barrel (2) comprises a storage barrel (2a), a connection port (2b), a plurality of filter ports (2c) and a protrusion (2d); the left side of the interior of the storage barrel (2a) is movably connected to the surface of the connection plate (1d); the surface of the extrusion shaft (1e) is movably connected to the interior of the storage barrel (2a); the bottom of the connection port (2b) is fixedly connected to the top of the interior of the storage barrel (2a); the plurality of filter ports (2c) are all opened at the bottom of the storage barrel (2a); and the bottom of the protrusion (2d) is fixedly connected to the right side of the top of the storage barrel (2a); The extruder (1) is used to extrude biogas slurry and fertilizer; The filter barrel (2) is used to filter and separate fertilizer and water during the process of squeezing biogas slurry and fertilizer.

2. A solid-liquid separation device for biogas slurry water fertilizer production as claimed in claim 1, characterized in that: A discharge port (3) is installed on the right side of the barrel body (1b), a drain port (4) is fixedly connected to the bottom of the barrel body (1b), a cleaning pipe (5) is fixedly connected to the top of the barrel body (1b), a feed port (6) is arranged at the top of the barrel body (1b), a transmission assembly (7) is arranged inside the connecting plate (1d), and a support assembly (8) is arranged on the right side of the barrel body (1b).

3. A solid-liquid separation device for biogas slurry water fertilizer production as claimed in claim 2, characterized in that: The feed port (6) comprises a feed pipe (601), two connecting seats (602) and a connecting ring (603); the bottom of the feed pipe (601) is movably connected to the inside of the connecting port (2b); the bottoms of the two connecting seats (602) are fixedly connected to the top of the barrel body (1b); the left and right sides of the connecting ring (603) are respectively fixedly connected to the opposite ends of the two connecting seats (602); and the surface of the feed pipe (601) is connected to the internal thread of the connecting ring (603).

4. A solid-liquid separation device for biogas slurry water fertilizer production as claimed in claim 2, characterized in that: The transmission assembly (7) comprises a connecting disk (701), a plurality of connecting springs (702) and a plurality of connecting blocks (703); the left and right sides of the connecting disk (701) are respectively fixedly connected to the left and right sides inside the connecting plate (1d); the opposite ends of the plurality of connecting springs (702) are fixedly connected to the surface of the connecting disk (701); the opposite sides of the plurality of connecting springs (702) are respectively fixedly connected to the opposite ends of the plurality of connecting blocks (703); and the opposite sides of the plurality of connecting blocks (703) are movably connected to the left side inside the storage bucket (2a).

5. The solid-liquid separation device for biogas slurry water fertilizer production according to claim 2, characterized in that: The support assembly (8) comprises a support ring (801), two fixing seats (802) and an adjusting bolt (803); the interior of the support ring (801) is movably connected to the surface of the storage barrel (2a); the right side of the protrusion (2d) can be plug-connected to the interior of the support ring (801); the surface of the support ring (801) is slidably connected to the right side of the interior of the barrel body (1b); the two fixing seats (802) are respectively located at the top of the left and right sides of the support ring (801); the tops of the two fixing seats (802) are fixedly connected to the right side of the top of the interior of the barrel body (1b); the adjusting bolt (803) is movably connected to the interior of the two fixing seats (802) near the interior of the two fixing seats (802); the surface of the adjusting bolt (803) is threadedly connected to the top of the interior of the support ring (801); and the right side of the surface of the adjusting bolt (803) is movably connected to the top of the right side of the interior of the barrel body (1b).

6. A solid-liquid separation device for biogas slurry water fertilizer production as claimed in claim 4, characterized in that: The interiors of the plurality of connection springs (702) are all plugged with sliding rods (9), the side of the connection plate (701) close to the plurality of sliding rods (9) is fixedly connected to the opposite ends of the plurality of sliding rods (9), and the surfaces of the plurality of sliding rods (9) are all slidably connected to the interiors of the plurality of connection blocks (703).

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