Biogas slurry anti-blocking backwashing device

Abstract

The invention relates to the technical field of agriculture, in particular to a biogas slurry anti-blocking backwashing device which comprises a box body, a filter plate arranged in the box body in the flowing direction of biogas slurry, a conveying pipe arranged on the box body, a backwashing pump communicated with the conveying pipe and used for backwashing the filter plate, and a one-way valve arranged on the conveying pipe, the box body is also provided with an anti-loosening mechanism for clamping the water filling pipeline and a cleaning mechanism for cleaning the filtering surface of the filtering plate during backwashing. After the filter plate is used for a period of time, the backwashing pump is connected with external water supply equipment to carry out backwashing on the filter plate, meanwhile, the cleaning mechanism cleans the filter plate, and due to the dual anti-blocking backwashing design, the water filling device can be effectively prevented from being blocked, the service life of the equipment is prolonged, the maintenance cost is reduced, and the maintainability and the overall operation stability of the equipment are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of agriculture, and in particular relates to a biogas slurry anti-blocking backwashing device. Background Art

[0002] In agricultural production, biogas slurry is a high-quality organic fertilizer, and its return to the fields is of great significance for resource recycling and soil improvement. Currently, biogas slurry irrigation mostly relies on direct flooding, which has significant drawbacks. Its nutrient utilization efficiency is low, and large amounts of nutrients are lost or volatilized. Not only are they not fully absorbed by crops, but they can also have negative impacts on the surrounding environment. With the development of agricultural water-saving irrigation technology, combining biogas slurry with drip irrigation has become a more efficient irrigation and fertilization method. This is especially true for cash crops such as apple trees. Precise drip irrigation can better meet their growth needs for water and nutrients, thereby improving yield and quality.

[0003] During the drip irrigation process, when pig biogas is used for drip irrigation, the device is very prone to clogging, which seriously affects the uniformity and stability of irrigation and reduces the operating efficiency of the drip irrigation system. There are currently devices with preliminary filtration functions. However, due to the complex composition of pig biogas, which contains a large amount of suspended solids, microorganisms, colloids, etc., the filtered and retained substances cannot be cleaned in time. The existing devices with filtration functions still often clog and cannot achieve good cleaning effects. If conventional backwashing is used, sufficient backwashing water pressure is required to effectively clean the retained substances. This not only has high usage costs but also easily causes the drip pipes to loosen. To this end, we provide a biogas anti-clogging backwashing device to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a biogas slurry anti-blocking backwashing device, which solves the problems of poor anti-blocking effect and easy pipe loosening in the prior art biogas slurry anti-blocking backwashing device through the cooperation of a backwash pump, a cleaning mechanism and an anti-loosening mechanism.

[0005] To solve the above technical problems, the present invention is implemented through the following technical solutions.

[0006] A biogas slurry anti-blocking backwashing device comprises a box body, a filter plate is arranged in the direction of biogas slurry flow in the box body, a delivery pipe is provided in the box body, a backwash pump for backwashing the filter plate is provided in communication with the delivery pipe, a one-way valve is provided on the delivery pipe, and the box body is also provided with an anti-loosening mechanism for clamping the irrigation pipe and a cleaning mechanism for cleaning the filter surface of the filter plate during backwashing.

[0007] The present invention is further configured such that the cleaning mechanism includes a connecting block that can reciprocate parallel to the filtering surface of the filter plate, and a brush plate is fixedly connected to one side of the connecting block. During the reciprocating movement of the connecting block, the brush surface of the brush plate can abut the filter plate and move along the filtering surface of the filter plate.

[0008] The present invention is further configured as follows: a threaded tube and a motor are provided on the box body; the upper and lower ends of the surface of the threaded tube are respectively mounted on the box body through bearings; the output end of the motor is fixedly connected to a first gear; a second gear meshing with the first gear is fixedly sleeved on the surface of the threaded tube; a threaded rod capable of extending into the box body is threadedly connected to the inner wall of the threaded tube; and a connecting block is fixedly mounted on the movable end of the threaded rod.

[0009] The present invention is further configured such that a slide groove is provided on the inner wall of the box, a slider is slidably connected to the inner wall of the slide groove, and the surface of the slider is fixedly connected to the surface of the brush plate.

[0010] The present invention is further configured such that the anti-loosening mechanism includes a horizontal plate, an electric telescopic rod is provided through the top of the horizontal plate, the output end of the electric telescopic rod is fixedly connected to the extrusion plate, the front and rear sides of the bottom of the horizontal plate are fixedly connected to support plates, the opposite side of the support plate is fixedly connected to a spring, the opposite end of the spring is fixedly connected to a locking sleeve, the top of the locking sleeve is fixedly connected to an inclined block, and the inclined block is slidably connected to the extrusion plate.

[0011] The present invention is further configured such that an inclined plate is fixedly connected to one side of the bottom of the inner cavity of the box, a sewage pipe is connected to the filtering surface of the filter plate at the bottom of the box, and a pipe sleeve is provided at the bottom of the sewage pipe.

[0012] The present invention is further configured such that support plates are fixedly connected to both sides of the bottom of the box body, a bottom plate is fixedly connected to the bottom of the support plates, and mounting holes are provided on both sides of the top of the bottom plate.

[0013] The present invention is further configured such that a groove is provided at the bottom of the base plate, an anti-skid pad is fixedly connected to the inner wall of the groove, and anti-skid grooves are provided at the bottom of the anti-skid pad.

[0014] The present invention is further configured such that a water inlet pipe is connected to the bottom of one side of the box body, a water outlet pipe is connected to the bottom of one side of the box body, and a first solenoid valve is sleeved on the surface of the water inlet pipe and the water outlet pipe.

[0015] The present invention is further configured as follows: a cleaning plate is provided on the back of the box body, a fixing screw is provided through the surface of the cleaning plate, a threaded hole is provided on the back of the box body for use with the fixing screw, one end of the fixing screw is fixedly connected to a handwheel, a circulation pipe is connected to one side of the bottom of the back of the box body, the other end of the circulation pipe is connected to the backwash pump, and a second solenoid valve is fixedly provided on the surface of the circulation pipe.

[0016] The present invention has the following beneficial effects.

[0017] 1. After a period of use, the backwash pump supplies external flushing water to reversely flush the filter plate. The motor-driven cleaning mechanism drives the brush plate through the gear transmission to synchronously clean the filter plate, which can thoroughly remove stubborn impurities attached to the filter surface of the filter plate. The double anti-blocking backwash design effectively prevents the device from being blocked, extends the service life of the equipment, reduces the equipment maintenance cost, and improves the maintainability and overall operation stability of the equipment.

[0018] 2. By opening a slide groove on the inner wall of the box and connecting the slider to the brush plate, the cleaning of the brush plate can be effectively stabilized and stable support can be provided for the brush plate during backwashing.

[0019] 3. The extrusion plate is driven by the electric telescopic rod, and the extrusion bevel causes the locking sleeve to move toward each other to firmly clamp the pipe. This can effectively stabilize the irrigation pipe and prevent the irrigation pipe from loosening due to vibration caused by backwashing, thereby ensuring the normal operation of the biogas slurry anti-blocking backwashing device.

[0020] 4. When clamping and fixing the irrigation pipe, the springs between the support plates can provide buffering, which can effectively prevent the irrigation pipe from being damaged by backwash vibration, and further improve the maintainability and overall operation stability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments.

[0021] Figure 1 It is a three-dimensional diagram of a biogas slurry anti-blocking backwashing device; Figure 2 It is a sectional perspective view of a local structure of a biogas slurry anti-blocking backwashing device; Figure 3 This is a cutaway perspective view of a tank in a biogas slurry anti-blocking backwashing device; Figure 4 A three-dimensional diagram of the bottom plate and related structures in a biogas slurry anti-blocking backwashing device; Figure 5 This is a cutaway perspective view of a shell in a biogas slurry anti-blocking backwashing device; Figure 6 A three-dimensional diagram of an anti-loosening mechanism in a biogas slurry anti-blocking backwashing device; Figure 7 This is a rear perspective view of the box in a biogas slurry anti-blocking backwash device.

[0022] In the figure: 1, box; 2, filter plate; 3, backwash pump; 4, delivery pipe; 5, one-way valve; 6, housing; 7, cleaning mechanism; 701, threaded pipe; 702, motor; 703, first gear; 704, second gear; 705, threaded rod; 706, connecting block; 707, brush plate; 101, inclined plate; 102, sewage pipe; 601, battery; 602, controller; 603, slide Groove; 604, slider; 103, support plate; 104, bottom plate; 105, mounting hole; 1041, groove; 1042, anti-slip pad; 8, anti-loosening mechanism; 801, cross plate; 802, electric telescopic rod; 803, extrusion plate; 804, support plate; 805, spring; 806, locking sleeve; 807, oblique block; 9, cleaning plate; 10, fixing screw; 11, handwheel; 12, circulation pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] See also Figure 1-7 The present invention provides a biogas slurry anti-blocking backwashing device, comprising a box body 1, a filter plate 2 is fixedly connected to the inner wall of the box body 1, and the filter plate 2 is arranged in the flow direction of the biogas slurry in the box body 1. By arranging the filter plate 2 in the box body 1, impurities in the biogas slurry can be effectively intercepted to prevent them from entering the drip irrigation system and causing blockage. A backwashing pump 3 is fixedly connected to one side of the top of the box body 1, and the bottom of the backwashing pump 3 is connected to a delivery pipe 4. The bottom of the delivery pipe 4 is connected to the top of the box body 1, and a one-way valve 5 is sleeved on the surface of the delivery pipe 4. The backwashing pump is used to backwash the filtering surface of the filter plate 2 through the delivery pipe 4. The box body 1 is also provided with an anti-loosening mechanism 8 for clamping the irrigation pipe and a cleaning mechanism 7 for cleaning the filtering surface of the filter plate 2 during backwashing.

[0025] A shell 6 is fixedly connected to the other side of the top of the box body 1 , a cleaning mechanism 7 is arranged between the shell 6 and the box body 1 , and an anti-loosening mechanism 8 is arranged on both sides of the box body 1 .

[0026] The cleaning mechanism 7 includes a connecting block 706 that can move back and forth parallel to the filtering surface of the filter plate 2. A brush plate 707 is fixedly connected to one side of the connecting block 706. When the connecting block 706 moves back and forth, the brush surface of the brush plate 707 can abut against the filter plate 2 and move along the filtering surface of the filter plate 2, thereby effectively cleaning the impurities trapped and residual impurities on the filtering surface.

[0027] Specifically, the cleaning mechanism 7 includes a threaded tube 701 and a motor 702. The upper and lower ends of the surface of the threaded tube 701 are respectively movably connected to the shell 6 and the box body 1 through bearings. The motor 702 is fixed to the top of the inner cavity of the shell 6. The output end of the motor 702 is fixedly connected to the first gear 703. The surface of the threaded tube 701 is fixedly sleeved with a second gear 704. The first gear 703 is meshed with the second gear 704. The inner wall of the threaded tube 701 is threadedly connected to a threaded rod 705. The connecting block 706 is fixedly arranged at the bottom of the threaded rod 705. A brush plate 707 is fixedly connected to one side of the connecting block 706. The surface of the brush plate 707 is in contact with the surface of the filter plate 2.

[0028] A slide groove 603 is provided on the inner wall of the box body 1, and a slider 604 is slidably connected to the inner wall of the slide groove 603. The surface of the slider 604 is fixedly connected to the surface of the brush plate 707. The cooperation of the slide groove 603 and the slider 604 makes the brush plate 707 move more smoothly when cleaning the filter plate 2, which can effectively stabilize the cleaning operation of the brush plate 707 and provide stable support for the brush plate during backwashing to ensure the uniformity of the cleaning effect. At the same time, it should be noted that the size of the brush plate 707 should match the filter plate 2, especially in the projection along the interception direction, the brush plate 707 cannot be too large. In this embodiment, the projection of the brush plate 707 along the interception direction accounts for 1 / 10 of the filter plate 2 to ensure that the brush plate 707 does not affect the normal filtering effect of the filter plate 2.

[0029] The anti-loosening mechanism 8 includes a horizontal plate 801, an electric telescopic rod 802 is provided on the top of the horizontal plate 801, the output end of the electric telescopic rod 802 is fixedly connected to the extrusion plate 803, and the front and rear sides of the bottom of the horizontal plate 801 are fixedly connected to the support plate 804, the opposite side of the support plate 804 is fixedly connected to a spring 805, the opposite end of the spring 805 is fixedly connected to a locking sleeve 806, the top of the locking sleeve 806 is fixedly connected to an inclined block 807, the inclined block 807 is slidably connected to the extrusion plate 803, and the spring 805 between the support plates 804 provides a buffer, which can effectively prevent the water pipe from being damaged by backwashing vibration. At the same time, the entire operation is convenient and controllable due to the use of the electric telescopic rod, and the various components work together to build a compact and efficient anti-loosening system.

[0030] The bottom of one side of the box body 1 is connected to a water inlet pipe, and the bottom of one side of the box body 1 is connected to a water outlet pipe. The surface of the water inlet pipe and the water outlet pipe are both sleeved with a first solenoid valve (not shown in the figure). The first solenoid valve is set on the surface of the water inlet pipe and the water outlet pipe to facilitate the control of the inflow and outflow of the biogas slurry. It can be flexibly adjusted according to actual irrigation needs to improve irrigation efficiency, and it is also convenient for the maintenance and management of the system.

[0031] An inclined plate 101 is fixedly connected to one side of the bottom of the inner cavity of the box body 1. A sewage pipe 102 is connected to the bottom of the box body 1. A pipe sleeve is provided at the bottom of the sewage pipe 102. The inclined plate 101 in the box body 1 can guide impurities to concentrate in the sewage pipe 102, which is convenient for cleaning and sewage discharge, and avoids the accumulation of impurities in the box body 1, further improving the anti-blocking performance of the system and extending the service life of the equipment.

[0032] A battery 601 is fixedly connected to one side of the top of the inner cavity of the housing 6, and a controller 602 is fixedly connected to the bottom of one side of the battery 601. The battery 601 and controller 602 provide independent power sources for the device, making it easier to control the operation of the device, enhancing the independence and portability of the device and adapting to different working environments.

[0033] The bottom of the box body 1 is fixedly connected to support plates 103 on both sides, and the bottom of the support plate 103 is fixedly connected to the bottom of the bottom plate 104. Mounting holes 105 are provided on both sides of the top of the bottom plate 104. A groove 1041 is provided at the bottom of the bottom plate 104. The inner wall of the groove 1041 is fixedly connected to an anti-slip pad 1042. The bottom of the anti-slip pad 1042 is provided with anti-slip grooves. The design of the support plate 103, the bottom plate 104 and the mounting holes 105 facilitates the installation and fixation of the equipment, ensures the stability of the equipment during operation, and reduces damage to the equipment caused by shaking. The anti-slip pad 1042 and the anti-slip grooves in the groove 1041 at the bottom of the bottom plate 104 further enhance the stability of the equipment when placed, avoid displacement of the equipment during operation, and improve safety in use.

[0034] A control key is fixedly connected to one side of the top front of the box body 1, which facilitates the operator to operate and control the equipment. A nameplate is fixedly connected to the other side of the top front of the box body 1, which facilitates recording equipment information. An inspection plate is fixedly connected to the front of the shell 6 by bolts, and a cleaning plate 9 is provided on the back of the box body 1. The cleaning plate facilitates the inspection and maintenance of the components in the shell 6, thereby improving the maintainability of the equipment.

[0035] A fixing screw 10 extends through the surface of the cleaning plate 9. A threaded hole for use with the fixing screw 10 is provided on the back of the housing 1. A handwheel 11 is fixedly connected to one end of the fixing screw 10. A circulation pipe 12 is connected to one side of the bottom back of the housing 1. The other end of the circulation pipe 12 is connected to the backwash pump 3. A second solenoid valve (not shown) is fixedly mounted on the surface of the circulation pipe 12. When there is sufficient water inside the housing 1, the water can be directly circulated to backwash the filter plate 2, achieving energy conservation. When the filter plate 2 needs to be removed, replaced, or cleaned, the user rotates the handwheel 11, which drives the fixing screw 10 away from the threaded hole. The cleaning plate 9 can then be removed and the filter plate 2 can be pulled out for cleaning or replacement.

[0036] The working principle of the present invention is as follows: biogas slurry is transported to the inner cavity of the box body 1 through the water inlet pipe, the filter plate 2 in the inner cavity of the box body 1 filters the biogas slurry, and the water outlet pipe transports the filtered biogas slurry to the drip irrigation equipment. The filtered biogas slurry can prevent the drip irrigation equipment from being blocked, thereby realizing drip irrigation of crops. After being used for a certain period of time, the first solenoid valve is closed, the backwash pump 3 is connected to the external water supply equipment, and the backwash pump 3 works to transport water to the inner cavity of the box body 1, and the filter plate 2 is backwashed by the water. The motor 702 is started, and the motor 702 drives the first gear 703 to rotate, the first gear 703 drives the second gear 704 to rotate, the second gear 704 drives the threaded pipe 701 to rotate, the threaded pipe 701 drives the threaded rod 705 to move up and down, the threaded rod 705 drives the connecting block 706 to move downward, the connecting block 706 drives the brush plate 707 to move up and down, the brush plate 707 cleans the filter plate 2, and the wastewater and impurities are discharged through the sewage pipe 102, thereby preventing the biogas slurry anti-blocking backwashing device from being blocked.

[0037] When the biogas slurry anti-blocking backwashing device is connected to the irrigation pipe, the electric telescopic rod 802 is started, and the electric telescopic rod 802 drives the extrusion plate 803 to move downward. The extrusion plate 803 moves downward to squeeze the inclined block 807 so that the inclined blocks 807 move toward each other. The inclined block 807 drives the locking sleeve 806 to move toward each other. The two locking sleeves 806 cooperate to clamp and fix the connected pipe to prevent the external pipe from loosening, thereby ensuring the normal use of the biogas slurry anti-blocking backwashing device.

[0038] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the invention to only the specific implementation methods described. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can better understand and utilize the present invention.

Claims

1. A biogas slurry anti-blocking backwashing device, comprising a housing (1), characterized in that: A filter plate (2) is provided in the direction of biogas slurry flow in the box (1), the box (1) is provided with a delivery pipe (4), a backwash pump (3) for backwashing the filter plate (2) is provided in communication with the delivery pipe (4), a one-way valve (5) is provided on the delivery pipe (4), and the box (1) is further provided with an anti-loosening mechanism (8) for clamping the irrigation pipe and a cleaning mechanism (7) for cleaning the filter surface of the filter plate (2) during backwashing.

2. A biogas slurry anti-blocking backwashing device according to claim 1, characterized in that: The cleaning mechanism (7) comprises a connecting block (706) capable of reciprocating parallel to the filtering surface of the filter plate (2), a brush plate (707) being fixedly connected to one side of the connecting block (706), and when the connecting block (706) reciprocates, the brush surface of the brush plate (707) can abut against the filter plate (2) and move along the filtering surface of the filter plate (2).

3. A biogas slurry anti-blocking backwashing device according to claim 2, characterized in that: A threaded tube (701) and a motor (702) are provided on the box (1). The upper and lower ends of the surface of the threaded tube (701) are respectively mounted on the box (1) via bearings. The output end of the motor (702) is fixedly connected to a first gear (703). A second gear (704) meshing with the first gear (703) is fixedly sleeved on the surface of the threaded tube (701). A threaded rod (705) capable of extending into the box (1) is threadedly connected to the inner wall of the threaded tube (701). A connecting block (706) is fixedly mounted on the movable end of the threaded rod (705).

4. A biogas slurry anti-blocking backwashing device according to claim 2, characterized in that: A slide groove (603) is provided on the inner wall of the box body (1), a slider (604) is slidably connected to the inner wall of the slide groove (603), and the surface of the slider (604) is fixedly connected to the surface of the brush plate (707).

5. A biogas slurry anti-blocking backwashing device according to claim 1, characterized in that: The anti-loosening mechanism (8) comprises a horizontal plate (801), an electric telescopic rod (802) is provided through the top of the horizontal plate (801), an output end of the electric telescopic rod (802) is fixedly connected to an extrusion plate (803), a support plate (804) is fixedly connected to the front and rear sides of the bottom of the horizontal plate (801), a spring (805) is fixedly connected to the opposite side of the support plate (804), a locking sleeve (806) is fixedly connected to the opposite end of the spring (805), an inclined block (807) is fixedly connected to the top of the locking sleeve (806), and the inclined block (807) is slidably connected to the extrusion plate (803).

6. A biogas slurry anti-blocking backwashing device according to claim 1, characterized in that: An inclined plate (101) is fixedly connected to one side of the bottom of the inner cavity of the box body (1), and a sewage pipe (102) is connected to the filter surface of the filter plate (2) at the bottom of the box body (1), and a pipe sleeve is provided at the bottom of the sewage pipe (102).

7. A biogas slurry anti-blocking backwashing device according to claim 1, characterized in that: Support plates (103) are fixedly connected to both sides of the bottom of the box body (1), a bottom plate (104) is fixedly connected to the bottom of the support plate (103), and mounting holes (105) are provided on both sides of the top of the bottom plate (104).

8. A biogas slurry anti-blocking backwashing device according to claim 7, characterized in that: A groove (1041) is provided at the bottom of the bottom plate (104), an anti-skid pad (1042) is fixedly connected to the inner wall of the groove (1041), and an anti-skid pattern is provided at the bottom of the anti-skid pad (1042).

9. A biogas slurry anti-blocking backwashing device according to claim 1, characterized in that: The bottom of one side of the box body (1) is connected to a water inlet pipe, and the bottom of one side of the box body (1) is connected to a water outlet pipe. The surfaces of the water inlet pipe and the water outlet pipe are both sleeved with a first solenoid valve.

10. A biogas slurry anti-blocking backwashing device according to claim 1, characterized in that: A cleaning plate (9) is provided on the back of the box body (1), a fixed screw (10) is provided through the surface of the cleaning plate (9), a threaded hole for use with the fixed screw (10) is provided on the back of the box body (1), one end of the fixed screw (10) is fixedly connected to a hand wheel (11), a circulation pipe (12) is connected to one side of the bottom of the back of the box body (1), the other end of the circulation pipe (12) is connected to the backwash pump (3), and a second solenoid valve is fixedly provided on the surface of the circulation pipe (12).

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