Pseudo-boehmite stirring washing tank

Abstract

The utility model relates to the technical field of equipment for preparing pseudo-boehmite, in particular to a pseudo-boehmite stirring and washing tank, which has the advantages that the stirring area is increased, the stirring dead angle is reduced, the cleaned pseudo-boehmite can be conveniently and quickly taken out, and the working efficiency is improved. Comprising a washing tank, supporting legs are fixedly installed at the four corners of the bottom of the washing tank respectively, a covering assembly is installed at the top of the washing tank and comprises a tank cover, two hinge chains, two electric push rods and two push shafts, and flushing assemblies are installed at the front end and the rear end of the inner wall of the washing tank; a position adjusting assembly is installed at the top of the washing tank, a stirring assembly is installed at the output end of the position adjusting assembly, and a discharging assembly is installed on the lower portion of the inner wall of the washing tank.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment for preparing pseudo-boehmite, in particular to a pseudo-boehmite stirring and washing tank. Background Technique

[0002] As a chemical catalyst, the preparation process of pseudo-boehmite is divided into several steps such as carbonization decomposition, high-temperature aging, separation and washing, drying and packaging, etc. Among them, the equipment required in the separation and washing process is a filter press and a stirring kettle. The purpose of separation and washing is to separate the aged pseudo-boehmite slurry from liquid and solid. The mother liquor is returned to the alumina production process. The solid enters the stirring tank, water is added to raise the temperature, and stirring and washing are carried out to remove the attached alkali. A pseudo-boehmite processing and stirring device proposed in the prior art publication number CN209631104U includes a stirring tank, a motor, an automatic controller, and a liquid level monitor. One side above the stirring tank is provided with a liquid inlet pipe, and a liquid inlet valve is arranged on the liquid inlet pipe. A motor seat is arranged above the stirring tank, and the motor is installed above the motor seat. A feed pipe is arranged on one side of the motor. The automatic controller is installed on one side of the stirring tank, and a steam generator is installed below the automatic controller. A discharge pipe is arranged below the stirring tank, and a feeding valve is installed above the discharge pipe. A drain pipe is installed on one side of the discharge pipe. However, it has the problem that the stirring ability is poor, resulting in a poor cleaning effect in contact with the water flow. Content of the Utility Model

[0003] To solve the above technical problems, the utility model provides a pseudo-boehmite stirring and washing tank that can improve the stirring area, reduce the stirring dead angle, facilitate the rapid removal of the pseudo-boehmite after cleaning, and improve work efficiency.

[0004] A pseudo-boehmite stirring and washing tank of the utility model includes a washing tank box. Legs are respectively and fixedly installed at the four corners of the bottom of the washing tank box. A cover assembly is installed on the top of the washing tank box. Flushing assemblies are installed at the front and rear ends of the inner wall of the washing tank box. A position adjustment assembly is installed on the top of the washing tank box. A stirring assembly is installed at the output end of the position adjustment assembly. A discharge assembly is installed at the lower part of the inner wall of the washing tank box; when in use, open the cover assembly, add materials into the washing tank box, start the flushing assembly to spray cleaning water flow, and spray it on the surface of the boehmite to achieve its cleaning. At the same time, the stirring assembly stirs the pseudo-boehmite inside the washing tank box, so that its surface can better contact with the water flow. Starting the position adjustment assembly can drive the stirring assembly to move in the washing tank box, improve the stirring area, improve the stirring ability, avoid the problem that the stirring ability of the existing washing equipment is poor, resulting in a poor cleaning effect in contact with the water flow, and at the same time, the discharge assembly can facilitate the rapid removal of the pseudo-boehmite after cleaning, facilitate the next batch of cleaning, and improve work efficiency.

[0005] Preferably, the cover assembly includes a box cover, two hinge chains, two electric push rods and two push shafts. The rear part of the box cover is hinged to the rear side wall of the washing tank through two hinge chains. The two electric push rods are rotatably installed on the left and right side walls of the washing tank. The telescopic end of the electric push rod is rotatably connected to the left and right ends of the box cover through the push shaft. When feeding, the electric push rod is started to push the box cover to rotate on the hinge chain through the push shaft, opening the top of the washing tank for easy feeding. When stirring and cleaning, the electric push rod drives the box cover to cover the top of the washing tank, which can protect the top of the washing tank and prevent the cleaning water from splashing out, reducing waste.

[0006] Preferably, the position adjustment assembly includes two cross beams, a reciprocating lead screw, a driving motor, a guiding slide bar, a threaded block, a guiding slider and a driving box. The two cross beams are fixedly installed at the upper ends of the inner walls of the front and rear ends of the washing tank. A moving groove is formed inside the cross beam. The reciprocating lead screw is rotatably installed in the moving groove of the rear cross beam. The input end of the reciprocating lead screw passes through the moving groove and is connected to the output end of the driving motor. The threaded block is screwed on the outer wall of the reciprocating lead screw and is slidably installed in the moving groove. The guiding slide bar is fixedly installed in the moving groove of the front cross beam, and a guiding slider is slidably installed on the outer wall of the guiding slide bar. A driving box is installed between the threaded block and the guiding slider. When the driving motor is started to drive the reciprocating lead screw to rotate, the reciprocating lead screw drives the threaded block to move in the moving groove, thereby driving the driving box to move left and right above the washing tank, increasing the stirring area, reducing the stirring dead angle, improving the stirring ability, and avoiding the problem that the stirring ability of the existing washing equipment is poor, resulting in a poor cleaning effect in contact with the water flow.

[0007] Preferably, the stirring assembly includes a plurality of stirring motors, a first stirring shaft, two second stirring shafts and multiple groups of stirring rods. The plurality of stirring motors are evenly spaced and installed inside the driving box. The output end of the middle stirring motor is installed with a first stirring shaft, and the output ends of the front and rear stirring motors are installed with second stirring shafts. The rotation directions of the first stirring shaft and the second stirring shaft are opposite. Multiple groups of stirring rods are installed on the outer walls of the first stirring shaft and the second stirring shaft. When multiple stirring motors are started simultaneously, the stirring motors drive the first stirring shaft and the second stirring shaft to rotate simultaneously. The first stirring shaft and the second stirring shaft drive the stirring rods to rotate, stirring the pseudo-boehmite in the washing tank, so that its surface can better contact with the water flow. The opposite rotation directions of the first stirring shaft and the second stirring shaft can improve the stirring method and the stirring effect.

[0008] Preferably, the discharging assembly includes a filter screen, a drain pipe, a transmission, a discharging motor, a rotating rod and a spiral conveying blade. The filter screen is fixedly installed on the lower inner wall of the washing tank. The middle of the filter screen slopes downward and is arranged in a semi-cylindrical shape. The lower part of the left side wall of the washing tank is connected with a drain pipe, and a valve is arranged on the drain pipe. The rotating rod is rotatably installed in the semi-cylindrical middle of the reciprocating lead screw. A spiral conveying blade is fixedly installed on the outer wall of the rotating rod. The input end of the rotating rod passes through the left side wall of the washing tank and is connected with the output end of the transmission. The input end of the transmission is connected with the output end of the discharging motor. After washing, open the valve on the drain pipe to drain the water. The pseudo-boehmite remains on the top of the filter screen. Start the discharging motor to drive the rotating rod to rotate through the transmission, and drive the spiral conveying blade to rotate through the rotating rod to push the pseudo-boehmite to the right, improving the discharging efficiency.

[0009] Preferably, a discharging port is formed at the position corresponding to the filter screen on the right side wall of the washing tank, and a receiving groove is formed at the discharging hole on the right side wall of the washing tank. A sealing valve plate is slidably installed in the receiving groove in a sealed manner. An electric telescopic rod is fixedly installed on the left side wall of the washing tank. The output end of the electric telescopic rod is connected with the lower part of the outer wall of the sealing valve plate through a connecting block. A discharging plate is installed at the discharging port on the right side wall of the washing tank. When discharging, start the electric telescopic rod to contract and drive the sealing valve plate to move into the receiving groove to open the discharging port, and the discharging plate can support and guide the discharged pseudo-boehmite.

[0010] Preferably, the flushing assembly includes two upper spray pipes, two lower spray pipes, two connecting pipes, a water inlet pipe, a water pump and a plurality of vertical pipes. The two upper spray pipes are respectively fixedly installed on the upper sides of the front and rear inner walls of the washing tank. The two lower spray pipes are respectively fixedly installed on the lower sides of the front and rear inner walls of the washing tank and are located above the filter screen. The input ends of the upper spray pipes and the lower spray pipes pass through the right side wall of the washing tank and are connected with the output end of the connecting pipe. The middle of the connecting pipe is connected with the water inlet pipe. The input end of the water inlet pipe is connected with the output end of the water pump. The water pump is installed on the rear side wall of the washing tank. A plurality of vertical pipes are connected between the upper spray pipes and the lower spray pipes. A plurality of flushing nozzles are installed on the upper spray pipes, the lower spray pipes and the vertical pipes. Connect the input end of the water pump to an external water source to pump water. The water is input into the upper spray pipes, the lower spray pipes and the vertical pipes through the water inlet pipe and the connecting pipe, so that the water flow can be sprayed out through the flushing nozzles to form a flushing water flow, and spraying on the surface of the pseudo-boehmite can achieve its cleaning.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: When in use, open the cover assembly, add materials into the washing tank, start the flushing assembly to spray cleaning water flow, and spray it on the surface of diaspore to achieve its cleaning. At the same time, the stirring assembly stirs the pseudo-boehmite inside the washing tank, so that its surface can better contact with the water flow. Starting the position adjustment assembly can drive the stirring assembly to move in the washing tank, improve the stirring area and the stirring ability, avoiding the problem that the stirring ability of the existing washing equipment is poor, resulting in a poor cleaning effect in contact with the water flow. At the same time, the discharging assembly can facilitate the rapid removal of the cleaned pseudo-boehmite, facilitating the next batch of cleaning and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is an axonometric structural diagram of the present utility model;

[0014] Figure 3 is an upper sectional structural diagram of the present utility model;

[0015] Figure 4 is an internal structural diagram of the present utility model;

[0016] Figure 5 is a rear three-dimensional structural diagram of the present utility model;

[0017] Reference numerals in the drawings: 1, washing tank; 2, legs; 3, box cover; 4, hinge chain; 5, electric push rod; 6, push shaft; 7, cross beam; 8, reciprocating lead screw; 9, drive motor; 10, guide slide bar; 11, threaded block; 12, guide slider; 13, drive box; 14, stirring motor; 15, first stirring shaft; 16, second stirring shaft; 17, stirring rod; 18, filter screen; 19, drain pipe; 20, transmission; 21, discharging motor; 22, rotating rod; 23, spiral conveying blade; 24, electric telescopic rod; 25, sealing valve plate; 26, connecting block; 27, discharging plate; 28, upper spray water pipe; 29, lower spray water pipe; 30, connecting pipe; 31, water inlet pipe; 32, water pump; 33, vertical pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0019] Embodiment 1

[0020] As Figure 1 ,Figure 3 , Figure 4 and Figure 5 As shown in Figure 3 , Figure 4 and Figure 5 , legs 2 are fixedly installed at the four corners of the bottom of the sink box 1. Two cross beams 7 are fixedly installed at the upper ends of the inner walls of the front and rear ends of the sink box 1. A moving groove is formed inside the cross beam 7. A reciprocating lead screw 8 is rotatably installed in the moving groove of the rear cross beam 7. The input end of the reciprocating lead screw 8 passes through the moving groove and is connected to the output end of a driving motor 9. A threaded block 11 is screwed on the outer wall of the reciprocating lead screw 8 and is slidably installed in the moving groove. A guiding slide bar 10 is fixedly installed in the moving groove of the front cross beam 7. A guiding slider 12 is slidably installed on the outer wall of the guiding slide bar 10. A driving box 13 is installed between the threaded block 11 and the guiding slider 12. A plurality of stirring motors 14 are evenly spaced and installed inside the driving box 13. The output end of the middle stirring motor 14 is installed with a first stirring shaft 15. The output ends of the front and rear stirring motors 14 are installed with second stirring shafts 16. The rotating directions of the first stirring shaft 15 and the second stirring shaft 16 are opposite. A plurality of groups of stirring rods 17 are installed on the outer walls of the first stirring shaft 15 and the second stirring shaft 16. A filter screen 18 is fixedly installed on the lower inner wall of the sink box 1. The middle of the filter screen 18 is inclined downward and is arranged in a semi-cylindrical shape. A drain pipe 19 is connected to the lower part of the left side wall of the sink box 1. A valve is arranged on the drain pipe 19. A rotating rod 22 is rotatably installed in the semi-cylindrical middle part of the reciprocating lead screw 8. A spiral conveyor blade 23 is fixedly installed on the outer wall of the rotating rod 22. The input end of the rotating rod 22 passes through the left side wall of the sink box 1 and is connected to the output end of a transmission 20. The input end of the transmission 20 is connected to the output end of a discharging motor 21. Two upper spray pipes 28 are respectively fixedly installed on the upper sides of the inner walls of the front and rear ends of the sink box 1. Two lower spray pipes 29 are respectively fixedly installed on the lower sides of the inner walls of the front and rear ends of the sink box 1 and are located above the filter screen 18. The input ends of the upper spray pipes 28 and the lower spray pipes 29 pass through the right side wall of the sink box 1 and are connected to the output end of a communicating pipe 30. The middle part of the communicating pipe 30 is connected to a water inlet pipe 31. The input end of the water inlet pipe 31 is connected to the output end of a water pump 32. The water pump 32 is installed on the rear side wall of the sink box 1. A plurality of vertical pipes 33 are communicated between the upper spray pipes 28 and the lower spray pipes 29. A plurality of flushing nozzles are installed on the upper spray pipes 28, the lower spray pipes 29 and the vertical pipes 33;

[0021] Connect the input end of the water pump 32 to an external water source to extract water. The water is input into the upper spray pipe 28, the lower spray pipe 29 and the vertical pipe 33 through the water inlet pipe 31 and the connecting pipe 30, so that the water flow can be sprayed out through the flushing nozzle to form a cleaning water flow, which can be sprayed on the surface of the pseudo-boehmite to achieve its cleaning. At the same time, start multiple stirring motors 14. The stirring motors 14 drive the first stirring shaft 15 and the second stirring shaft 16 to rotate simultaneously. The first stirring shaft 15 and the second stirring shaft 16 drive the stirring rod 17 to rotate, stirring the pseudo-boehmite in the washing tank 1, so that its surface can better contact with the water flow. The opposite rotation directions of the first stirring shaft 15 and the second stirring shaft 16 can improve the stirring method and the stirring effect. Start the driving motor 9 to drive the reciprocating screw rod 8 to rotate. The reciprocating screw rod 8 drives the threaded block 11 to move in the moving groove, thereby driving the driving box 13 to move left and right on the upper part of the washing tank 1, increasing the stirring area, reducing the stirring dead angle, improving the stirring ability, and avoiding the problem that the stirring ability of the existing washing equipment is poor, resulting in a poor cleaning effect of contacting with the water flow. After the washing is completed, open the valve on the drain pipe 19 to drain the water flow. The pseudo-boehmite remains on the top of the filter screen 18. Start the discharging motor 21 to drive the rotating rod 22 to rotate through the transmission 20. Drive the spiral conveying blade 23 to rotate through the rotating rod 22 to push the pseudo-boehmite to the right, improving the discharging efficiency.

[0022] Embodiment 2

[0023] As Figure 2 、 Figure 4 and Figure 5 shown, on the basis of Embodiment 1, it further includes that the rear part of the box cover 3 is hinged to the rear side wall of the washing tank 1 through two hinge chains 4. Two electric push rods 5 are rotatably installed on the left and right side walls of the washing tank 1. The telescopic end of the electric push rod 5 is rotatably connected to the left and right ends of the box cover 3 through a push shaft 6. An outlet is provided at the position corresponding to the filter screen 18 on the right side wall of the washing tank 1, and a receiving groove is provided at the outlet hole on the right side wall of the washing tank 1. A sealing valve plate 25 is slidably installed in the receiving groove in a sealed manner. An electric telescopic rod 24 is fixedly installed on the left side wall of the washing tank 1. The output end of the electric telescopic rod 24 is connected to the lower part of the outer wall of the sealing valve plate 25 through a connecting block 26. A discharge plate 27 is installed at the outlet on the right side wall of the washing tank 1.

[0024] When feeding, start the electric push rod 5 to push the box cover 3 to rotate on the hinge chain 4 through the push shaft 6 to open the top of the washing tank 1, which is convenient for feeding. When stirring and cleaning, the electric push rod 5 drives the box cover 3 to cover the top of the washing tank 1, which can protect the top of the washing tank 1 and prevent the cleaning water from splashing out, reducing waste. When discharging, start the electric telescopic rod 24 to contract to drive the sealing valve plate 25 to move into the receiving groove to open the outlet, and the discharge plate 27 can support and guide the discharged pseudo-boehmite.

[0025] As Figures 1 to 5 shown, for a pseudo-boehmite stirring and washing tank of the present utility model, when it works, during feeding, the electric push rod 5 is started to push the tank cover 3 to rotate on the hinge chain 4 through the push shaft 6, opening the top of the washing tank 1 to facilitate feeding. When stirring and cleaning, the electric push rod 5 drives the tank cover 3 to cover the top of the washing tank 1, which can protect the top of the washing tank 1. The input end of the water pump 32 is connected to an external water source to extract water. The water is input into the upper spray pipe 28, the lower spray pipe 29 and the vertical pipe 33 through the water inlet pipe 31 and the connecting pipe 30, so that the water flow can be sprayed out through the flushing nozzles to form a cleaning water flow and spray on the surface of the pseudo-boehmite to achieve its cleaning. At the same time, multiple stirring motors 14 are started. The stirring motors 14 drive the first stirring shaft 15 and the second stirring shaft 16 to rotate simultaneously. The first stirring shaft 15 and the second stirring shaft 16 drive the stirring rods 17 to rotate, stirring the pseudo-boehmite in the washing tank 1, so that its surface can better contact with the water flow. The driving motor 9 is started to drive the reciprocating lead screw 8 to rotate. The reciprocating lead screw 8 drives the threaded block 11 to move in the moving groove, thereby driving the driving box 13 to move left and right on the upper part of the washing tank 1 to reduce the stirring dead angle. After the washing is completed, the valve on the drain pipe 19 is opened to drain the water flow, and the pseudo-boehmite remains on the top of the filter screen 18. The discharging motor 21 is started to drive the rotating rod 22 to rotate through the transmission 20. The rotating rod 22 drives the spiral conveying blade 23 to rotate to push the pseudo-boehmite to the right. The electric telescopic rod 24 is started to contract to drive the sealing valve plate 25 to move into the receiving groove, opening the discharging port. The discharging plate 27 can support and guide the discharged pseudo-boehmite.

[0026] The driving motor 9, the stirring motors 14, the transmission 20, the discharging motor 21 and the water pump 32 of a pseudo-boehmite stirring and washing tank of the present utility model are purchased on the market. Those skilled in the industry only need to install and operate according to the attached operation manuals, without the need for those skilled in the art to perform creative labor.

[0027] The above are only the preferred embodiments of the present utility model. It should be noted that for those ordinary skilled in the art in the technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A pseudo-boehmite stirring washing tank, characterized in that: The invention comprises a washing tank box (1), wherein legs (2) are fixedly mounted at the four corners of the bottom of the washing tank box (1), a cover assembly is mounted on the top of the washing tank box (1), a flushing assembly is mounted at the front and rear ends of the inner wall of the washing tank box (1), a position adjustment assembly is mounted on the top of the washing tank box (1), a stirring assembly is mounted at the output end of the position adjustment assembly, and a discharging assembly is mounted at the lower part of the inner wall of the washing tank box (1).

2. A pseudo-boehmite stirring washing tank as claimed in claim 1, characterized in that: The cover assembly comprises a box cover (3), two hinge chains (4), two electric push rods (5) and two driving shafts (6); the rear part of the box cover (3) is hinged to the rear end side wall of the washing tank box (1) through the two hinge chains (4); the two electric push rods (5) are rotatably mounted on the left and right end side walls of the washing tank box (1); and the telescopic ends of the electric push rods (5) are rotatably connected to the left and right ends of the box cover (3) through the driving shafts (6).

3. A pseudo-boehmite stirring washing tank as claimed in claim 1, characterized in that: The position adjustment component comprises two cross beams (7), a reciprocating screw rod (8), a driving motor (9), a guide slide rod (10), a threaded block (11), a guide slider (12) and a driving box (13). The two cross beams (7) are fixedly mounted on the upper ends of the inner walls of the front and rear ends of the washing tank box (1). A moving groove is provided inside the cross beam (7). The reciprocating screw rod (8) is rotatably mounted in the moving groove of the rear cross beam (7). The input end of the reciprocating screw rod (8) passes through the moving groove and is connected to the output end of the driving motor (9). The threaded block (11) is screwed on the outer wall of the reciprocating screw rod (8) and is slidably mounted in the moving groove. The guide slide rod (10) is fixedly mounted in the moving groove of the front cross beam (7). The guide slider (12) is slidably mounted on the outer wall of the guide slide rod (10). The driving box (13) is installed between the threaded block (11) and the guide slider (12).

4. A pseudo-boehmite stirring washing tank as claimed in claim 3, characterized in that: The stirring assembly comprises a plurality of stirring motors (14), a first stirring shaft (15), two second stirring shafts (16) and a plurality of stirring rods (17). The plurality of stirring motors (14) are evenly spaced and installed inside a driving box (13). The output end of the central stirring motor (14) is installed with the first stirring shaft (15), and the output ends of the stirring motors (14) on the front and rear sides are installed with the second stirring shafts (16). The first stirring shaft (15) and the second stirring shaft (16) rotate in opposite directions. The outer walls of the first stirring shaft (15) and the second stirring shaft (16) are both installed with a plurality of stirring rods (17).

5. The pseudo-boehmite stirring washing tank according to claim 1, characterized in that: The discharging assembly comprises a filter screen (18), a drain pipe (19), a transmission (20), a discharging motor (21), a rotating rod (22) and a spiral conveying blade (23). The filter screen (18) is fixedly mounted on the lower inner wall of the washing tank box (1). The middle part of the filter screen (18) is tilted downward and is arranged in a semi-cylindrical shape. The lower part of the left side wall of the washing tank box (1) is connected with the drain pipe (19), and a valve is arranged on the drain pipe (19). The rotating rod (22) is rotatably mounted on the semi-cylindrical middle part of the reciprocating screw rod (8). The spiral conveying blade (23) is fixedly mounted on the outer wall of the rotating rod (22). The input end of the rotating rod (22) passes through the left side wall of the washing tank box (1) and is connected to the output end of the transmission (20). The input end of the transmission (20) is connected to the output end of the discharging motor (21).

6. A pseudo-boehmite stirring washing tank as claimed in claim 5, characterized in that: A discharge port is provided on the right side wall of the washing tank box (1) at a position corresponding to the filter screen (18), and a storage groove is provided at the discharge hole on the right side wall of the washing tank box (1), a sealing valve plate (25) is sealingly slidably installed in the storage groove, an electric telescopic rod (24) is fixedly installed on the left side wall of the washing tank box (1), an output end of the electric telescopic rod (24) is connected to the lower part of the outer wall of the sealing valve plate (25) through a connecting block (26), and a discharge plate (27) is installed at the discharge port on the right side wall of the washing tank box (1).

7. The pseudo-boehmite stirring washing tank according to claim 5, characterized in that: The flushing assembly comprises two upper water spray pipes (28), two lower water spray pipes (29), two connecting pipes (30), a water inlet pipe (31), a water pump (32) and a plurality of vertical pipes (33). The two upper water spray pipes (28) are respectively fixedly mounted on the upper sides of the inner walls at the front and rear ends of the washing tank box (1). The two lower water spray pipes (29) are respectively fixedly mounted on the lower sides of the inner walls at the front and rear ends of the washing tank box (1) and are located above the filter screen (18). The inputs of the upper water spray pipes (28) and the lower water spray pipes (29) are connected to the washing tank box (1). The end of the connecting pipe (30) passes through the right side wall of the washing tank box (1) and is connected to the output end of the connecting pipe (30). The middle part of the connecting pipe (30) is connected to the water inlet pipe (31). The input end of the water inlet pipe (31) is connected to the output end of the water pump (32). The water pump (32) is installed on the rear side wall of the washing tank box (1). A plurality of vertical pipes (33) are connected between the upper water spray pipe (28) and the lower water spray pipe (29). A plurality of flushing nozzles are installed on the upper water spray pipe (28), the lower water spray pipe (29) and the vertical pipe (33).

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