CN212633744U

CN212633744U - Automatic cleaning device for paper pulp tank

Info

Publication number: CN212633744U
Application number: CN202020942215.6U
Authority: CN
Inventors: 王春智; 张建全
Original assignee: Nine Dragons Paper Hebei Co ltd
Current assignee: Nine Dragons Paper Hebei Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-02
Anticipated expiration: 2030-05-29

Abstract

The utility model provides an automatic cleaning device of a pulp tank, which comprises a cleaning water tank, a water inlet pipeline, a first water pump, a check valve, a high-pressure water pump, a rotary injection device, a liquid inlet pipe and a control box, wherein the first water pump, the check valve high-pressure water pump and the rotary injection device are sequentially communicated through the liquid inlet pipe to form a cleaning passage; the water inlet end of the rotary joint is connected with the liquid inlet pipe, the water outlet end of the rotary joint is communicated with the water inlet end of the nozzle pipe, and the water outlet end of the nozzle pipe is fixedly provided with the nozzle. The utility model discloses an automatic cleaning device carries the paper pulp pond by the water of controller control first water pump and high pressure water pump in with the washing basin in, washes each lateral wall in the paper pulp pond by the nozzle, and the scraper blade among the cooperation agitating unit washs the filth on each lateral wall in the paper pulp pond totally to guarantee the clean in paper pulp pond to guarantee product quality.

Description

Automatic cleaning device for paper pulp tank

Technical Field

The utility model belongs to the technical field of paper industry equipment, especially, relate to an automatic cleaning device in paper pulp pond.

Background

The existing pulp tank with a closed structure is used for preparing the paper pulp, and bacterial corrosive substances and toxic gases can be generated on the tank wall and the tank top along with the use of the pulp tank, so that the pulp tank is troublesome to clean and has potential safety hazards. The system is dirty for a long time, the environment and the product quality are affected, the machine needs to be stopped and the slurry tank needs to be emptied for manual flushing, so that the resources are wasted, the risk of environmental safety exists, and the labor is wasted; there is therefore a need for a cleaning apparatus for the supervisory controlled flushing of a slurry tank to address the above problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide an automatic cleaning device in paper pulp pond, carry the paper pulp pond by the water of controller control first water pump and high pressure water pump in with the washing basin, wash each lateral wall in the paper pulp pond by the nozzle, dirty thing on scraper blade among the cooperation agitating unit is with each lateral wall in paper pulp pond washs totally, guarantees the clean in paper pulp pond to guarantee product quality.

In order to solve the technical problem, the utility model discloses a technical scheme is: an automatic cleaning device of a paper pulp tank comprises a cleaning water tank, a water inlet pipeline, a first water pump, a check valve, a high-pressure water pump, a rotary spraying device, a liquid inlet pipe and a control box, wherein the cleaning water tank is communicated with the first water pump through the water inlet pipeline, the first water pump, the check valve high-pressure water pump and the rotary spraying device are sequentially communicated through the liquid inlet pipe to form a cleaning passage, the rotary spraying device comprises a rotary joint, a rotating device, a nozzle pipe and a nozzle, and the rotating device is arranged on the nozzle pipe and drives the nozzle pipe to rotate axially; the water inlet end of the rotary joint is connected with the liquid inlet pipe, the water outlet end of the rotary joint is communicated with the water inlet end of the nozzle pipe, and the water outlet end of the nozzle pipe is fixedly provided with the nozzle.

In this technical scheme, the water in the washing basin is carried the feed liquor pipe by first water pump in, and then the effect of high pressure water pump is given rotary jetting device in the transmission down again, and the shower nozzle through rotary jetting device can be used for abluent water to spout to wash the paper pulp pond, wherein, rotary device can drive nozzle pipe and nozzle axis rotatory, and then can realize spraying the washing with water all sides.

The cleaning device is characterized by further comprising a cleaning medium groove, a cleaning medium pipe and a second water pump, wherein the cleaning medium groove is communicated with the second water pump through the cleaning medium pipe, and the cleaning medium pipe is communicated with a liquid inlet pipe between the first water pump and the check valve.

In this technical scheme, the cleaning medium aqueous solution in the cleaning medium groove can be conveyed to the feed liquor pipe under the effect of second water pump in, spout into the paper pulp pond via rotary jetting device after mixing with water, with the filth sanitization on the paper pulp pond lateral wall.

Furthermore, the bottom of the nozzle is hemispherical, a plurality of injection holes are formed in the side wall of the nozzle, the injection holes are uniformly formed, and the injection holes are in reducing arrangement from inside to outside.

In this technical scheme, the bottom of nozzle is hemispherical and evenly is provided with a plurality of jet orifice, and every angle of jet orifice all has promptly, and the jet orifice makes water increase its velocity of spouting because of the diameter reduces at the injection in-process for the undergauge setting to form the scouring action to the lateral wall in pulp tank, be convenient for wash dirty thing such as its greasy dirt.

The pulp tank is characterized by further comprising a stirring device arranged in the pulp tank, wherein the stirring device comprises a stirring shaft, a fixing plate, a first fixing rod, a cleaning fixing plate, a scraping plate, a second fixing rod and a cleaning brush; the top of the stirring shaft penetrates through the top wall of the paper pulp tank and is fixedly connected with an output shaft of a servo motor, and the servo motor is fixedly arranged on the top wall of the paper pulp tank through a motor bracket; the cleaning device comprises a stirring shaft, a cleaning brush, a first fixing rod, a second fixing rod, a scraper, a cleaning brush and a cleaning brush, wherein the two fixing plates are arranged, one end of each fixing plate is fixedly connected with the stirring shaft, the other end of one fixing plate is fixedly connected with the cleaning fixing plate through the first fixing rod, the cleaning fixing plate is fixedly connected with the scraper, the scraper surface of the scraper is contacted with the inner wall of a pulp tank, the other end of the other fixing plate is fixedly connected with the cleaning brush through the second fixing rod; the bottom card of (mixing) shaft is established in the fixed block and is rotated with the fixed block and be connected, the fixed block is fixed to be set up the central point of paper pulp pond diapire puts.

In this technical scheme, set up agitating unit, and should be provided with scraper blade and clean brush among the agitating unit, rotating in-process is being carried out, and the scraper blade can be scraped the dirty thing on the paper pulp pond lateral wall down, and clean brush can clean the lateral wall in paper pulp pond for the abluent more totally of lateral wall in paper pulp pond.

Furthermore, the first fixing rods and the second fixing rods are provided with a plurality of fixing rods, and the first fixing rods and the second fixing rods are arranged in a staggered mode; the rotating device is fixedly arranged on the top wall of the pulp tank through a fixed frame; the nozzle pipe penetrates through the top wall of the pulp tank and is rotatably connected with the top wall of the pulp tank, and the nozzle is positioned on the upper sides of the first fixing rod and the second fixing rod.

Further, the angle between the two fixing plates is set to be 90 degrees or 180 degrees.

Further, agitating unit is still including first diapire scraper blade and second diapire scraper blade, the bottom scraper blade face of first diapire scraper blade and second diapire scraper blade all contacts with the diapire in paper pulp pond, first diapire scraper blade and second diapire scraper blade are fixed mounting respectively on first bracing piece and second bracing piece, the one end of first bracing piece and second bracing piece carries out fixed connection with the fixed plate of difference respectively, the other end of first bracing piece is through the first dead lever fixed connection of first connecting rod with the bottom, the other end of second bracing piece is through the second dead lever fixed connection of second connecting rod with the bottom.

In this technical scheme, set up first diapire scraper blade and second diapire scraper blade and can strike off dirty filth on the diapire in pulp pond, under the string of first diapire scraper blade and second diapire scraper blade for dirty thing is not redeposited on the diapire, is convenient for discharge pulp pond.

Further, a controller is arranged in the control box, and the first water pump, the check valve, the high-pressure water pump, the rotary injection device, the second water pump and the servo motor are all electrically connected with the controller.

Further, be provided with on the shell of control box with controller electric connection's equipment operation switch, first water pump control switch, second water pump control switch, high pressure water pump control switch, servo motor switch and touch operation display screen.

In the technical scheme, the equipment operation switch can control the operation state of the whole equipment; the first water pump control switch, the second water pump control switch, the high-pressure water pump control switch and the servo motor switch are respectively used for controlling the working states of the first water pump, the second water pump, the high-pressure water pump and the servo motor; the touch operation display screen can be used for adjusting parameters such as the rotating speed of the servo motor.

Furthermore, tap water is contained in the cleaning water tank, and cleaning medium solution is contained in the cleaning medium tank.

In the technical scheme, tap water is used for washing the inner wall of the pulp tank, and the cleaning medium solution in the cleaning medium tank can be selected from different types of cleaning medium solutions according to different dirt in the pulp tank.

The utility model has the advantages and positive effects that:

1. the water in the cleaning water tank is conveyed to the liquid inlet pipe under the action of the first water pump and then is sprayed out at high speed by a nozzle in the rotary spraying device under the action of the high-pressure water pump, so that the dirt in the paper pulp tank can be washed and quickly cleaned;

2. a cleaning medium groove is arranged, and cleaning medium solution in the cleaning medium groove is conveyed into the liquid inlet pipe under the action of a second water pump and is sprayed into the pulp tank through a nozzle, so that dirt in the pulp tank is dissolved and removed;

3. set up agitating unit, and be provided with scraper blade, first diapire scraper blade, second diapire scraper blade and clean brush among the agitating unit, can strike off dirty filth on the inner wall of paper pulp pond, and then be convenient for discharge the paper pulp pond.

Drawings

FIG. 1 is a schematic structural view of an automatic cleaning device for a pulp tank according to the present invention;

FIG. 2 is a schematic view showing the mechanism of a rotary jet apparatus of an automatic cleaning apparatus for a pulp tank according to the present invention;

FIG. 3 is an enlarged view of the structure B of FIG. 1;

FIG. 4 is an enlarged view of the structure A of FIG. 3;

FIG. 5 is a control block diagram of an automatic cleaning apparatus for a pulp tank according to the present invention;

in the figure: 1-a cleaning water tank, 2-a water inlet pipeline, 3-a first water pump, 4-a check valve, 5-a high-pressure water pump, 6-a rotary injection device, 61-a rotary joint, 62-a rotary device, 63-a nozzle pipe, 64-a nozzle, 641-an injection hole, 7-a control box, 701-an equipment operation on-off hook, 702-a first water pump control switch, 703-a second water pump control switch, 704-a high-pressure water pump control switch, 705-a servo motor switch, 706-a touch operation display screen, 8-a liquid inlet pipe, 9-a cleaning medium tank, 10-a cleaning medium pipe, 11-a second water pump, 12-a stirring device, 1201-a stirring shaft, 1202-a fixing plate, 1203-a first fixing rod, 1204-a cleaning fixing plate, 1205-scraper, 1206-second fixed rod, 1207-cleaning brush, 1208-servo motor, 1209-motor support, 1210-fixed block, 1211-first bottom scraper, 1212-second bottom scraper, 1213-first support rod, 1214-second support rod, 1215-first connection rod, 1216-second connection rod, 100-pulp tank.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Example (b):

referring to fig. 1: an automatic cleaning device of a paper pulp tank comprises a cleaning water tank 1, a water inlet pipeline 2, a first water pump 3, a check valve 4, a high-pressure water pump 5, a rotary spraying device 6, a liquid inlet pipe 8 and a control box 7, wherein the cleaning water tank 1 is communicated with the first water pump 3 through the water inlet pipeline 2, and the first water pump 3, the check valve 4, the high-pressure water pump 5 and the rotary spraying device 6 are sequentially communicated through the liquid inlet pipe 8 to form a cleaning passage; tap water is placed in the cleaning water tank 1 and used for washing the inner wall of the pulp tank 100, wherein the tap water is conveyed into the liquid inlet pipe 8 under the action of the first water pump 3, and then is sprayed into the pulp tank 100 through the nozzle 64 of the rotary spraying device 6 under the action of the high-pressure water pump 5 to wash and clean the inner wall of the pulp tank 100. The rotary spraying device 6 comprises a rotary joint 61, a rotating device 62, a nozzle pipe 63 and a nozzle 64, wherein the rotating device 62 is arranged on the nozzle pipe 63 and drives the nozzle pipe 63 to axially rotate; the water inlet end of the rotary joint 61 is connected with the liquid inlet pipe 8, the water outlet end of the rotary joint is communicated with the water inlet end of the nozzle pipe 63, and the water outlet end of the nozzle pipe 63 is fixedly provided with the nozzle 64; the rotating device 62 can drive the nozzle pipe 63 and the nozzle 64 to axially rotate along the central axis of the nozzle pipe 63, so that the nozzle 64 can spray in all directions, and the inner wall of the pulp tank 100 can be conveniently cleaned.

In this embodiment, the cleaning device further comprises a cleaning medium tank 9, a cleaning medium pipe 10 and a second water pump 11, wherein the cleaning medium tank 9 is communicated with the second water pump 11 through the cleaning medium pipe 10, and the cleaning medium pipe 10 is communicated with a liquid inlet pipe 8 between the first water pump 3 and the check valve 4; the cleaning medium tank 9 is filled with a cleaning medium solution. The cleaning medium solution is conveyed into the liquid inlet pipe 8 under the action of the second water pump 11 and then is sprayed into the pulp tank 100 through the nozzle 64, so that the dirt in the pulp tank 100 can be dissolved and removed conveniently.

Referring to fig. 2 and 4: in this embodiment, the bottom end of the nozzle 64 is hemispherical, and the sidewall thereof is provided with a plurality of injection holes 641, the injection holes 641 are uniformly arranged, and the injection holes 641 are reduced in diameter from inside to outside. The bottom end of the nozzle 64 is hemispherical and is uniformly provided with a plurality of injection holes 641, that is, each angle of the injection holes 641 is provided, and the injection holes 641 are arranged in a reducing manner, so that the injection speed of water is increased due to the reduction of the diameter in the injection process, thereby forming a scouring effect on the inner wall of the pulp tank 100 and facilitating the flushing of dirty objects such as oil stains and the like.

Referring to fig. 1 and 3: in this embodiment, the device further comprises a stirring device 12 disposed in the pulp tank 100, wherein the stirring device 12 comprises a stirring shaft 1201, a fixing plate 1202, a first fixing rod 1203, a cleaning fixing plate 1204, a scraping plate 1205, a second fixing rod 1206 and a cleaning brush 1207; the top of the stirring shaft 1201 penetrates through the top wall of the pulp tank 100 and is fixedly connected with an output shaft of a servo motor 1208, and the servo motor 1208 is fixedly installed on the top wall of the pulp tank 100 through a motor bracket 1209; the two fixing plates 1202 are arranged, one end of each fixing plate 1202 is fixedly connected with the stirring shaft 1201, the other end of one fixing plate 1202 is fixedly connected with a cleaning fixing plate 1204 through a first fixing rod 1203, the cleaning fixing plate 1204 is fixedly connected with a scraper 1205, the scraper face of the scraper 1205 is in contact with the inner wall of the pulp tank 100, the other end of the other fixing plate 1202 is fixedly connected with a cleaning brush 1207 through a second fixing rod 1206, and the end face of the cleaning brush 1207 is in contact with the inner wall of the pulp tank 100; the bottom end of the stirring shaft 1201 is clamped in a fixing block 1210 and is rotatably connected with the fixing block 1210, and the fixing block 1210 is fixedly arranged at the center of the bottom wall of the pulp tank 100. Wherein, servo motor 1208 is used for driving (mixing) shaft 1201 to rotate, and when (mixing) shaft 1201 rotated, it rotated scraper 1205 and cleaning brush 1207 to drive through fixed plate 1202, first dead lever 1203 and second dead lever 1206, thereby scraper 1205 at the pivoted in-process, the filth that will adhere to on the inner wall of pulp pond 100 hung down, and cleaning brush 1207 cleans the inner wall, thereby combines the inner wall sanitization of nozzle 64 water with pulp pond 100.

In this embodiment, the first fixing rod 1203 and the second fixing rod 1206 are both provided with a plurality of fixing rods, and the first fixing rod 1203 and the second fixing rod 1206 are at different heights, that is, the first fixing rod 1203 and the second fixing rod 1206 are arranged in a staggered manner; the cleaning brush 1207 can be conveniently matched with the scraper 1205 for use; the rotating device 62 is fixedly mounted on the top wall of the pulp tank 100 through a fixing frame. The nozzle pipe 63 penetrates through the top wall of the pulp tank 100 and is rotatably connected with the top wall of the pulp tank 100, and the nozzle 64 is positioned on the upper sides of the first fixing rod 1203 and the second fixing rod 1206; so that the nozzle 64 rotates and sprays unimpeded.

Wherein, the angle between the two fixing plates 1202 is set to be 90 degrees or 180 degrees. In this embodiment, the angle between the two fixing plates 1202 is 180 degrees.

In this embodiment, the stirring device 12 further includes a first bottom scraper 1211 and a second bottom scraper 1212, the bottom scraper faces of the first bottom scraper 1211 and the second bottom scraper 1212 are both in contact with the bottom wall of the pulp tank 100, the first bottom scraper 1211 and the second bottom scraper 1212 are respectively and fixedly mounted on a first support rod 1213 and a second support rod 1214, one end of the first support rod 1213 and one end of the second support rod 1214 are respectively and fixedly connected with different fixing plates 1202, the other end of the first support rod 1213 is fixedly connected with a first fixing rod 1203 at the bottom end through a first connecting rod 1215, and the other end of the second support rod 1214 is fixedly connected with a second fixing rod 1206 at the bottom end through a second connecting rod 1216. The first bottom scraper 1211 and the second bottom scraper 1212 are arranged to scrape off the dirt on the bottom wall of the pulp tank 100, so that the dirt is not deposited on the bottom wall by the hanging of the first bottom scraper 1211 and the second bottom scraper 1212, and the pulp tank 100 is convenient to discharge.

In this embodiment, a controller is arranged in the control box 7, and the first water pump 3, the check valve 4, the high-pressure water pump 5, the rotary jetting device 6, the second water pump 11 and the servo motor 1208 are all electrically connected with the controller; an equipment operation switch 701, a first water pump control switch 702, a second water pump control switch 703, a high-pressure water pump control switch 704, a servo motor switch 705 and a touch operation display screen 706 are arranged on the shell of the control box 7. The touch operation display screen 706 is used for adjusting parameters such as the rotating speed of the servo motor 1208; the equipment operation switch 701 can control the operation state of the whole equipment; the first water pump control switch 702, the second water pump control switch 703, the high-pressure water pump control switch 704, and the servo motor switch 705 are respectively used to control the operating states of the first water pump 3, the second water pump 11, the high-pressure water pump 5, and the servo motor 1208.

Further, the automatic cleaning device of the present embodiment can be incorporated into the pulp production process for use, the control box 7 of the cleaning device is combined with the control system of the whole production process, and the automatic cleaning can be realized by setting the cleaning time and the cleaning steps in the process control system, so as to ensure the cleanness inside the pulp tank 100.

The utility model discloses when using:

1. when cleaning is carried out, the equipment operation switch 701 is started to enable the whole equipment to be electrified to enter an equipment working state, and the check valve 4 is opened at the moment to prevent water flow from flowing in a reverse direction;

2. pressing the first water pump control switch 702, the second water pump control switch 703 and the high-pressure water pump control switch 704 to operate the first water pump 3, the second water pump 11 and the high-pressure water pump 5, respectively spraying tap water in the cleaning water tank 1 and a cleaning medium solution in the cleaning medium tank 9 into the pulp tank 100 through the nozzle 64, and washing the inner wall thereof to dissolve the dirt attached to the inner wall in water for removal; stopping injecting the water and the cleaning medium solution after the water is added to more than half of the height of the pulp tank 100;

3. setting the operation parameters of the servo motor 1208 on the touch operation display screen 706, then pressing the servo motor switch 705 to enable the servo motor 1208 to rotate, wherein the servo motor 1208 drives the stirring shaft 1201 to rotate, so that the cleaning brush 1207 and the scraper 1205 rotate simultaneously, the scraper 1205 scrapes off dirt attached to the inner wall of the pulp tank 100 in the rotating process, the cleaning brush 1207 cleans the inner wall of the pulp tank 100 in the rotating process, and the inner wall of the pulp tank 100 is cleaned; meanwhile, due to the rotation of the stirring shaft 1201, the first bottom wall scraper 1211 and the second bottom wall scraper 1212 at the bottom thereof also rotate, so that the dirt deposited on the bottom wall of the pulp tank 100 is scraped during the rotation process, and is mixed in the water, and after the stirring is carried out for a set time, the water mixed with the dirt inside is discharged from the sewage outlet at the bottom;

4. then, a first water pump control switch 702, a high-pressure water pump control switch 704 and a servo motor switch 705 are turned on, tap water is injected into the pulp tank 100 for washing, and meanwhile, an auxiliary cleaning brush 1207 and a scraper 1205 clean the inner wall, so that cleaning medium solution and dirt are prevented from being left; after the flushing is finished, the water in the flushing tank is discharged from a sewage outlet at the bottom.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides an automatic cleaning device in paper pulp pond which characterized in that: the cleaning device comprises a cleaning water tank (1), a water inlet pipeline (2), a first water pump (3), a check valve (4), a high-pressure water pump (5), a rotary spraying device (6), a liquid inlet pipe (8) and a control box (7), wherein the cleaning water tank (1) is communicated with the first water pump (3) through the water inlet pipeline (2), the first water pump (3), the check valve (4), the high-pressure water pump (5) and the rotary spraying device (6) are sequentially communicated through the liquid inlet pipe (8) to form a cleaning passage, the rotary spraying device (6) comprises a rotary joint (61), a rotary device (62), a nozzle pipe (63) and a nozzle (64), and the rotary device (62) is arranged on the nozzle pipe (63) and drives the nozzle pipe (63) to axially rotate; the water inlet end of the rotary joint (61) is connected with the liquid inlet pipe (8), the water outlet end of the rotary joint is communicated with the water inlet end of the nozzle pipe (63), and the water outlet end of the nozzle pipe (63) is fixedly provided with the nozzle (64).

2. An automatic pulp chest cleaning device according to claim 1, characterized in that: the cleaning device is characterized by further comprising a cleaning medium groove (9), a cleaning medium pipe (10) and a second water pump (11), wherein the cleaning medium groove (9) is communicated with the second water pump (11) through the cleaning medium pipe (10), and the cleaning medium pipe (10) is communicated with a liquid inlet pipe (8) between the first water pump (3) and the check valve (4).

3. An automatic pulp chest cleaning device according to claim 2, characterized in that: the bottom of nozzle (64) is hemispherical, and is provided with a plurality of jet orifice (641) on its lateral wall, jet orifice (641) evenly set up, just jet orifice (641) are the undergauge setting from inside to outside.

4. An automatic pulp chest cleaning device according to claim 2, characterized in that: the paper pulp cleaning device is characterized by further comprising a stirring device (12) arranged in the paper pulp pool (100), wherein the stirring device (12) comprises a stirring shaft (1201), a fixing plate (1202), a first fixing rod (1203), a cleaning fixing plate (1204), a scraping plate (1205), a second fixing rod (1206) and a cleaning brush (1207); the top of the stirring shaft (1201) penetrates through the top wall of the pulp tank (100) and is fixedly connected with an output shaft of a servo motor (1208), and the servo motor (1208) is fixedly installed on the top wall of the pulp tank (100) through a motor support (1209); the two fixing plates (1202) are arranged, one end of each fixing plate is fixedly connected with the stirring shaft (1201), the other end of one fixing plate (1202) is fixedly connected with a cleaning fixing plate (1204) through a first fixing rod (1203), the cleaning fixing plate (1204) is fixedly connected with a scraper (1205), the scraper surface of the scraper (1205) is in contact with the inner wall of the pulp tank (100), the other end of the other fixing plate (1202) is fixedly connected with a cleaning brush (1207) through a second fixing rod (1206), and the end face of the cleaning brush (1207) is in contact with the inner wall of the pulp tank (100); the bottom end of the stirring shaft (1201) is clamped in the fixing block (1210) and is rotationally connected with the fixing block (1210), and the fixing block (1210) is fixedly arranged at the center of the bottom wall of the pulp tank (100).

5. An automatic cleaning device for a pulp tank according to claim 4, characterized in that: the first fixing rods (1203) and the second fixing rods (1206) are respectively provided with a plurality of fixing rods, and the first fixing rods (1203) and the second fixing rods (1206) are arranged in a staggered mode; the rotating device (62) is fixedly arranged on the top wall of the pulp tank (100) through a fixing frame; the nozzle pipe (63) penetrates through the top wall of the pulp tank (100) and is rotatably connected with the top wall of the pulp tank (100), and the nozzle (64) is located on the upper sides of the first fixing rod (1203) and the second fixing rod (1206).

6. An automatic cleaning device for a pulp tank according to claim 4, characterized in that: the angle between the two fixing plates (1202) is set to be 90 degrees or 180 degrees.

7. An automatic pulp chest cleaning device according to claim 5, characterized in that: the stirring device (12) further comprises a first bottom wall scraper (1211) and a second bottom wall scraper (1212), wherein the bottom scraper surfaces of the first bottom wall scraper (1211) and the second bottom wall scraper (1212) are both in contact with the bottom wall of the pulp tank (100), the first bottom wall scraper (1211) and the second bottom wall scraper (1212) are respectively and fixedly mounted on a first support rod (1213) and a second support rod (1214), one ends of the first support rod (1213) and the second support rod (1214) are respectively and fixedly connected with different fixing plates (1202), the other end of the first support rod (1213) is fixedly connected with a first fixing rod (1203) at the bottom end through a first connecting rod (1215), and the other end of the second support rod (1214) is fixedly connected with a second fixing rod (1206) at the bottom end through a second connecting rod (1216).

8. An automatic cleaning device for a pulp tank according to claim 4, characterized in that: the control box (7) is internally provided with a controller, and the first water pump (3), the check valve (4), the high-pressure water pump (5), the rotary spraying device (6), the second water pump (11) and the servo motor (1208) are all electrically connected with the controller.

9. An automatic pulp chest cleaning device according to claim 8, characterized in that: an equipment operation switch (701) electrically connected with the controller, a first water pump control switch (702), a second water pump control switch (703), a high-pressure water pump control switch (704), a servo motor switch (705) and a touch operation display screen (706) are arranged on the shell of the control box (7).

10. An automatic pulp chest cleaning device according to claim 2, characterized in that: tap water is contained in the cleaning water tank (1), and cleaning medium solution is contained in the cleaning medium tank (9).