Stirring equipment for monazite and caustic soda flakes

Abstract

The utility model relates to the technical field of rare earth chloride extraction, in particular to monazite and caustic soda flake stirring equipment, which comprises a stirring tank, a caustic soda flake feed port, a monazite feed port and a discharge port are mounted on the stirring tank, a stirring shaft is rotatably connected in the stirring tank through a driving mechanism, and the stirring shaft is rotatably connected with a motor. A plurality of stirring blades are mounted on the stirring shaft through a plurality of detachable mechanisms, each detachable mechanism comprises a mounting ring, the mounting ring is slidably connected to the stirring shaft, a plurality of stirring blades are fixedly connected to the outer side wall of the mounting ring, and a plurality of penetrating holes are formed in the outer side wall of the mounting ring; a plurality of screw holes are formed in the side wall of the stirring shaft, the detachable mechanism further comprises a plurality of fixing bolts, and the plurality of fixing bolts penetrate through the plurality of penetrating holes respectively and are in threaded connection with the plurality of screw holes. The device has the effects that damaged stirring blades are convenient to replace, and the reaction efficiency of caustic soda flakes and monazite is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chlorinated rare earth extraction, especially to a monazite and flake caustic soda stirring equipment. BACKGROUND

[0002] In the extraction process of chlorinated rare earth, monazite is a conventional raw material. When monazite is extracted, it needs to be preliminarily mixed with lye. However, the price of lye is relatively high, so flake caustic soda is often used to replace lye in industrial production.

[0003] In order to make the flake caustic soda and monazite fully react, the prior art often uses a stirring device to fully stir them to ensure that they can fully react. However, due to the high hardness of monazite, the stirring blade is severely worn. When it is worn, the caustic soda will accelerate the corrosion of the worn part, thereby causing the stirring blade to need to be replaced frequently. However, the stirring blade and the stirring shaft of the prior art are integrated, so it is very inconvenient to replace them. UTILITY MODEL CONTENT

[0004] In order to facilitate the replacement of damaged stirring blades, the application provides a monazite and flake caustic soda stirring equipment.

[0005] The monazite and flake caustic soda stirring equipment provided by the application adopts the following technical scheme:

[0006] The monazite and flake caustic soda stirring equipment comprises a stirring tank, a flake caustic soda feeding port, a monazite feeding port and a discharge port are installed on the stirring tank, a stirring shaft is rotationally connected in the stirring tank through a driving mechanism, a plurality of stirring blades are installed on the stirring shaft through a plurality of detachable mechanisms, the detachable mechanism comprises a mounting ring, the mounting ring is slidably connected to the stirring shaft, a plurality of stirring blades are fixedly connected to the outer side wall of the mounting ring, a plurality of penetrating holes are formed in the outer side wall of the mounting ring, a plurality of screw holes are formed in the side wall of the stirring shaft, and the detachable mechanism further comprises a plurality of fixing bolts, the plurality of fixing bolts are respectively threadedly connected in the plurality of screw holes through the plurality of penetrating holes.

[0007] By adopting the above technical scheme, when the stirring blades are installed, the mounting ring is first slidably connected to the stirring shaft, and then slid to the position where the stirring shaft has the screw holes. At this time, the fixing bolts are threadedly connected in the screw holes through the penetrating holes, thereby realizing the installation of the stirring blades and facilitating the replacement of damaged stirring blades.

[0008] Optionally, the driving mechanism comprises a mounting frame fixedly connected to the supporting leg of the stirring tank, a first motor mounted on the end face of the stirring shaft close to the mounting frame, a first bevel gear keyed to the output shaft of the first motor, and a second bevel gear fixedly connected to the stirring shaft.

[0009] When stirring, the first motor is started to drive the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the stirring shaft to rotate, and the stirring shaft drives the stirring blade to rotate, thereby realizing stirring.

[0010] Optionally, the stirring tank is open at one end away from the first motor, and a cover mechanism is mounted on the stirring tank, the cover mechanism comprising an end cover and an opening and closing assembly, and the end cover being rotatably connected to the open end of the stirring tank through the opening and closing assembly.

[0011] Through the above technical scheme, the open end of the stirring tank facilitates the replacement of the stirring blade by the staff, and the end cover is arranged to realize the closure of the space during the stirring of the flake caustic soda and the bastnaesite, thereby reducing the probability of splashing of the flake caustic soda and the bastnaesite during stirring and improving the safety of the working environment.

[0012] Optionally, the opening and closing assembly comprises a mounting plate fixedly connected to the side wall of the stirring tank, a fixed plate fixedly connected to the mounting plate, a rotating shaft rotatably connected to the fixed plate, a connecting rod fixedly connected to the end cover, one end of the connecting rod away from the end cover being fixedly connected to the rotating shaft, and a third motor mounted on the mounting plate, a drive gear keyed to the output shaft of the third motor, and a driven gear fixedly connected to the rotating shaft and engaged with the drive gear.

[0013] Through the above technical scheme, when the end cover is opened and closed, the third motor is started to drive the drive gear to rotate, the drive gear drives the driven gear to rotate, the driven gear drives the rotating shaft to rotate, and the rotating shaft drives the end cover to rotate through the connecting rod, thereby realizing the opening and closing of the end cover.

[0014] Optionally, a crushing mechanism is further mounted in the stirring tank, the crushing mechanism comprising a partition plate fixedly connected in the stirring tank to divide the stirring tank into two layers, a communication groove formed in the partition plate, a second motor mounted on the end cover, a connecting shaft fixedly connected to the output shaft of the second motor, and a crushing knife fixedly connected to the connecting shaft, and a spraying assembly further mounted on the stirring tank.

[0015] By adopting the technical scheme, since the size of the flake caustic is large, the reaction efficiency is low when mixed with monazite, and therefore the flake caustic needs to be crushed, when the flake caustic is fed, the flake caustic is first added into the stirring tank through the flake caustic feeding port, at this time, the second motor is started, the second motor drives the connecting shaft to rotate, the connecting shaft drives the crushing knife to rotate, and then the flake caustic is crushed, at the same time, the spraying mechanism sprays pure water to dissolve the flake caustic to form an alkaline solution, and then the alkaline solution flows down through the penetration port and is mixed with the monazite, thereby improving the reaction efficiency of the flake caustic and the monazite.

[0016] Optionally, the spraying assembly comprises a water storage tank, the water storage tank is placed on the ground, a first pressure pump is installed on the water storage tank, a first water inlet pipe is fixedly connected to the water inlet end of the first pressure pump, one end of the first water inlet pipe away from the first pressure pump is located in the water storage tank, a water outlet pipe is fixedly connected to the water outlet end of the first pressure pump, and a first spray head is fixedly connected to one end of the water outlet pipe away from the first pressure pump, the first spray head is located in the stirring tank and between the baffle and the end cover.

[0017] By adopting the technical scheme, when the flake caustic is crushed, the first pressure pump is started synchronously, water in the water storage tank is sprayed out through the first spray head, and then the flake caustic is dissolved, and at the same time, the water flow sprayed has a certain pressure, thereby further improving the crushing degree of the flake caustic.

[0018] Optionally, the stirring tank is further provided with a anti-blocking mechanism, the anti-blocking mechanism comprises a second pressure pump, a second water inlet pipe is fixedly connected to the water inlet end of the second pressure pump, one end of the second water inlet pipe away from the second pressure pump is located in the water storage tank, a anti-blocking pipe is fixedly connected to the water outlet end of the second pressure pump, and a second spray head is fixedly connected to one end of the anti-blocking pipe away from the second pressure pump, the second spray head is located at the position of the discharge port in the stirring tank.

[0019] By adopting the technical scheme, after the flake caustic is dissolved in water, a large amount of heat is released and a high-viscosity solution is formed, the monazite powder has high fineness and is easy to form local agglomerates, thereby the discharge port end is easy to be blocked, when the discharge port is blocked, the second pressure pump is started, water in the water storage tank is sprayed out through the second spray head, and then the mixed agglomerates of the flake caustic and the monazite in the discharge port are broken open by the water pressure, thereby reducing the probability of blocking in the discharge port.

[0020] In summary, the present application has the following beneficial technical effects:

[0021] 1. When the installation of the stirring blade is carried out, the mounting ring is first connected on the stirring shaft in a sliding mode, and then is slid to the position where the stirring shaft is provided with a threaded hole, at this time, the fixing bolt is threaded connected in the threaded hole through the mounting ring, and then the installation of the stirring blade is realized, and the damaged stirring blade is convenient to replace;

[0022] 2. The opening of one end of the stirring tank facilitates the replacement of the stirring blade in the stirring tank by the staff, and meanwhile, the setting of the end cover realizes the closure of the space during the stirring process of the flake caustic soda and the monazite, reduces the probability of splashing of the flake caustic soda and the monazite during the stirring process, and improves the safety of the working environment;

[0023] 3. Since the size of the flake caustic soda is large, the reaction efficiency is low when the mixing reaction with the monazite is carried out, and therefore it is necessary to crush the bulk flake caustic soda, when the flake caustic soda is fed, the flake caustic soda is first added into the stirring tank through the flake caustic soda feeding port, at this time, the second motor is started, the second motor drives the connecting shaft to rotate, the connecting shaft drives the crushing knife to rotate, and then the flake caustic soda is crushed, at the same time, the pure water is sprayed out by the spraying mechanism to dissolve the flake caustic soda to form an alkaline solution, and then the alkaline solution flows down through the through hole to mix with the monazite, and then the reaction efficiency of the flake caustic soda and the monazite is improved;

[0024] 4. After the flake caustic soda is dissolved in water, a large amount of heat is released and a high-viscosity solution is formed, the monazite powder has high fineness and is easy to form local clumps, and then the end of the discharge port is easy to cause blockage, when the blockage of the discharge port occurs, the second pressure pump is started to spray the water in the water storage tank through the second spray head, and then the mixed clumps of the flake caustic soda and the monazite in the discharge port are flushed open through the water pressure, and the probability of the blockage of the discharge port is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic view of the monazite and flake caustic soda stirring device in the embodiment of the application;

[0026] Figure 2 It is a sectional view of the stirring tank in the embodiment of the application;

[0027] Figure 3 It is an explosion view of the detachable mechanism in the embodiment of the application;

[0028] Figure 4 It is a structural schematic view of the cover mechanism in the embodiment of the application;

[0029] Figure 5 It is a structural schematic view of the crushing mechanism in the embodiment of the application.

[0030] The drawing mark: 1, agitator jar; 11, flake alkali feed port; 12, monazite feed port; 13, discharge port; 14, stirring shaft; 141, screw hole; 15, stirring blade; 2, driving mechanism; 21, mounting frame; 22, first motor; 23, first bevel gear; 24, second bevel gear; 3, detachable mechanism; 31, mounting ring; 311, through hole; 32, fixing bolt; 4, sealing cover mechanism; 41, end cover; 42, opening and closing assembly; 421, mounting plate; 422, fixed plate; 423, rotating shaft; 424, connecting rod; 425, third motor; 426, driving gear; 427, driven gear; 5, crushing mechanism; 51, second motor; 52, partition plate; 521, communication groove; 53, connecting shaft; 54, crushing knife; 55, injection assembly; 551, water storage tank; 552, first water inlet pipe; 553, first pressure pump; 554, water outlet pipe; 555, first spray head; 6, anti-blocking mechanism; 61, second pressure pump; 62, second water inlet pipe; 63, anti-blocking pipe; 64, second spray head. DETAILED DESCRIPTION

[0031] The following will be described in detail with reference to the accompanying drawings Figures 1-5 The application is further described in detail.

[0032] The application discloses a monazite and flake alkali stirring device.

[0033] Reference Figure 1 And Figure 2 The monazite and flake alkali stirring device comprises an agitator jar 1, the agitator jar 1 is installed on the ground, one end of the agitator jar 1 is open, a flake alkali feed port 11, a monazite feed port 12 and a discharge port 13 are installed on the side wall of the agitator jar 1, a stirring shaft 14 is rotationally connected in the agitator jar 1 through a driving mechanism 2, and a plurality of stirring blades 15 are installed on the stirring shaft 14 through a plurality of detachable mechanisms 3; the agitator jar 1 is further provided with a sealing cover mechanism 4 for sealing the open end, a crushing mechanism 5 for crushing the flake alkali and an anti-blocking mechanism 6 for reducing the blocking of the discharge port 13.

[0034] Since the hardness of monazite is high, the wear of the stirring blades 15 is more serious, and when the wear occurs, the corrosion of caustic soda at the wear position is accelerated, thereby causing the stirring blades 15 to need to be replaced frequently, and the detachable mechanism 3 realizes the replacement of the stirring blades 15; when the flake alkali and the monazite are stirred and mixed, the flake alkali is first added to the agitator jar 1 through the flake alkali feed port 11, then the flake alkali is crushed by the crushing mechanism 5, then the monazite is added to the agitator jar 1 through the monazite feed port 12, then the driving mechanism 2 is started to drive the stirring shaft 14 to rotate, the stirring shaft 14 drives the stirring blades 15 to rotate, thereby stirring and mixing the monazite and the flake alkali, and meanwhile, the monazite and the flake alkali after the reaction are discharged through the discharge port 13, and meanwhile, the discharge port 13 is cleaned by the anti-blocking mechanism 6, thereby reducing the probability of blocking of the discharge port 13.

[0035] With reference to Figure 2 The driving mechanism 2 comprises a mounting frame 21 fixedly connected to the supporting leg of the stirring tank 1, a first motor 22 fixedly connected to the end face of the mounting frame 21 close to the end face of the stirring shaft 14, a first bevel gear 23 keyed connected to the output shaft of the first motor 22, a second bevel gear 24 fixedly connected to the stirring shaft 14, the second bevel gear 24 located outside the stirring tank 1, and the first bevel gear 23 engaged with the second bevel gear 24. When stirring, the first motor 22 is started to drive the first bevel gear 23 to rotate, the first bevel gear 23 drives the second bevel gear 24 to rotate, the second bevel gear 24 drives the stirring shaft 14 to rotate, and the stirring shaft 14 drives the stirring blade 15 to rotate, thereby realizing stirring.

[0036] With reference to Figure 3 The detachable mechanism 3 comprises a mounting ring 31 slidably connected to the stirring shaft 14, a plurality of stirring blades 15 fixedly connected to the outer side wall of the mounting ring 31, a plurality of penetrating holes 311 formed in the outer side wall of the mounting ring 31, a plurality of screw holes 141 formed in the side wall of the stirring shaft 14, and a plurality of fixed bolts 32 threadedly connected in the plurality of screw holes 141 through the plurality of penetrating holes 311.

[0037] When installing the stirring blade 15, the mounting ring 31 is first slidably connected to the stirring shaft 14 and then slid to the position where the screw hole 141 is formed in the stirring shaft 14. At this time, the fixed bolt 32 is threadedly connected in the screw hole 141 through the penetrating hole 311, thereby realizing the installation of the stirring blade 15 and facilitating the replacement of the damaged stirring blade 15.

[0038] With reference to Figure 4 The cover mechanism 4 comprises an end cover 41 and an opening and closing assembly 42, the end cover 41 being rotatably connected to the open end of the stirring tank 1 through the opening and closing assembly 42. The opening and closing assembly 42 comprises a mounting plate 421 fixedly connected to the side wall of the stirring tank 1, two fixed plates 422 fixedly connected to the end face of the mounting plate 421 away from the ground, a rotating shaft 423 rotatably connected to the end faces of the two fixed plates 422 close to each other, a connecting rod 424 fixedly connected to the side wall of the end cover 41 away from the stirring tank 1, one end of the connecting rod 424 away from the end cover 41 being fixedly connected to the rotating shaft 423, a third motor 425 mounted on the end face of the mounting plate 421 away from the ground, a driving gear 426 keyed connected to the output shaft of the third motor 425, and a driven gear 427 fixedly connected to the rotating shaft 423 and engaged with the driving gear 426.

[0039] The end cover 41 is arranged to realize the closure of the space during the stirring of the flake caustic soda and the monazite, thereby reducing the probability of splashing of the flake caustic soda and the monazite during the stirring, and improving the safety of the working environment; when the end cover 41 is opened and closed, the third motor 425 is started, the third motor 425 drives the driving gear 426 to rotate, the driving gear 426 drives the driven gear 427 to rotate, the driven gear 427 drives the rotating shaft 423 to rotate, the rotating shaft 423 drives the end cover 41 to rotate through the connecting rod 424, thereby realizing the opening and closing of the end cover 41.

[0040] Reference Figure 5 The crushing mechanism 5 includes a partition plate 52, the partition plate 52 is fixedly connected in the stirring tank 1 to divide the stirring tank 1 into two layers, a communication groove 521 is formed in the end face of the partition plate 52 close to the end cover 41, a second motor 51 is installed on the end face of the end cover 41 away from the partition plate 52, a connecting shaft 53 is fixedly connected to the output shaft of the second motor 51, and a crushing knife 54 is fixedly connected to the connecting shaft 53; a spraying assembly 55 is also installed on the stirring tank 1, the spraying assembly 55 includes a water storage tank 551, the water storage tank 551 is placed on the ground, a first pressure pump 553 is installed on the end face of the water storage tank 551 away from the ground, a first water inlet pipe 552 is fixedly connected to the water inlet end of the first pressure pump 553, one end of the first water inlet pipe 552 away from the first pressure pump 553 is located in the water storage tank 551, a water outlet pipe 554 is fixedly connected to the water outlet end of the first pressure pump 553, a first spray head 555 is fixedly connected to one end of the water outlet pipe 554 away from the first pressure pump 553, and the first spray head 555 is located in the stirring tank 1 and between the partition plate 52 and the end cover 41.

[0041] Since the size of the flake caustic soda is large, the reaction efficiency is low when the flake caustic soda is mixed with the monazite, so it is necessary to crush the flake caustic soda, when the flake caustic soda is fed, the flake caustic soda is first added to the stirring tank 1 through the flake caustic soda feeding port 11, at this time, the second motor 51 is started, the second motor 51 drives the connecting shaft 53 to rotate, the connecting shaft 53 drives the crushing knife 54 to rotate, and then the flake caustic soda is crushed; at the same time, the first pressure pump 553 is started synchronously, water in the water storage tank 551 is sprayed out through the first spray head 555, and then the flake caustic soda is dissolved, and the water flow has a certain pressure, which further improves the crushing degree of the flake caustic soda.

[0042] The anti-blocking mechanism 6 includes a second pressure pump 61, the second pressure pump 61 is installed on the end face of the water storage tank 551 away from the ground, a second water inlet pipe 62 is fixedly connected to the water inlet end of the second pressure pump 61, one end of the second water inlet pipe 62 away from the second pressure pump 61 is located in the water storage tank 551, an anti-blocking pipe 63 is fixedly connected to the water outlet end of the second pressure pump 61, a second spray head 64 is fixedly connected to one end of the anti-blocking pipe 63 away from the second pressure pump 61, and the second spray head 64 is located at the discharge port 13 position in the stirring tank 1.

[0043] The flake caustic releases a large amount of heat after being dissolved in water and forms a high-viscosity solution, and the monazite powder has high fineness and is easy to form local agglomeration, thereby causing the end of the discharge port 13 to be easily blocked. When the discharge port 13 is blocked, the second pressure pump 61 is started to spray water in the water storage tank 551 through the second spray head 64, thereby opening the agglomerated mixture of the flake caustic and the monazite in the discharge port 13 through water pressure, and reducing the probability of blocking in the discharge port 13.

[0044] The implementation principle of the monazite and flake caustic stirring device according to an embodiment of the application is as follows: when stirring and mixing the monazite and the flake caustic, the flake caustic is first added to the stirring tank 1 through the flake caustic inlet 11, at this time the second motor 51 is started, the second motor 51 drives the connecting shaft 53 to rotate, the connecting shaft 53 drives the crushing knife 54 to rotate, thereby crushing the flake caustic; at the same time, the first pressure pump 553 is started synchronously to spray water in the water storage tank 551 through the first spray head 555, thereby dissolving the flake caustic, and the dissolved flake caustic flows out through the communication groove 521, and the monazite is added to the stirring tank 1 through the monazite inlet 12, at this time the first motor 22 is started, the first motor 22 drives the first bevel gear 23 to rotate, the first bevel gear 23 drives the second bevel gear 24 to rotate, the second bevel gear 24 drives the stirring shaft 14 to rotate, the stirring shaft 14 drives the stirring blade 15 to rotate, thereby realizing stirring.

[0045] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A stirring device for monazite and flake caustic soda, comprising a stirring tank (1), a flake caustic soda feeding port (11), a monazite feeding port (12) and a discharge port (13) are installed on the stirring tank (1), a stirring shaft (14) is rotatably connected in the stirring tank (1) by a driving mechanism (2), characterized in that, A plurality of stirring blades (15) are installed on the stirring shaft (14) through a plurality of detachable mechanisms (3), the detachable mechanism (3) comprises a mounting ring (31) which is slidingly connected to the stirring shaft (14), a plurality of stirring blades (15) are fixedly connected to the outer side wall of the mounting ring (31), a plurality of penetrating holes (311) are formed in the outer side wall of the mounting ring (31), a plurality of screw holes (141) are formed in the side wall of the stirring shaft (14), and the detachable mechanism (3) further comprises a plurality of fixing bolts (32), the plurality of fixing bolts (32) are respectively screwed into the plurality of screw holes (141) through the plurality of penetrating holes (311).

2. The monazite and caustic soda stirring apparatus according to claim 1, characterized by, The driving mechanism (2) comprises a mounting frame (21) which is fixedly connected to the supporting leg of the stirring tank (1), a first motor (22) is installed on the end face of the stirring shaft (14) close to the mounting frame (21), a first bevel gear (23) is keyed connected to the output shaft of the first motor (22), a second bevel gear (24) is fixedly connected to the stirring shaft (14), and the first bevel gear (23) is engaged with the second bevel gear (24).

3. The monazite and flake caustic stirring apparatus according to claim 2, characterized by, The stirring tank (1) is open at one end away from the first motor (22), a cover mechanism (4) is installed on the stirring tank (1), the cover mechanism (4) comprises an end cover (41) and an opening and closing assembly (42), and the end cover (41) is rotatably connected to the open end of the stirring tank (1) through the opening and closing assembly (42).

4. The monazite and flake caustic stirring apparatus according to claim 3, characterized by, The opening and closing assembly (42) comprises a mounting plate (421) which is fixedly connected to the side wall of the stirring tank (1), a fixed plate (422) is fixedly connected to the mounting plate (421), a rotating shaft (423) is rotatably connected to the fixed plate (422), a connecting rod (424) is fixedly connected to the end cover (41), one end of the connecting rod (424) away from the end cover (41) is fixedly connected to the rotating shaft (423), a third motor (425) is further installed on the mounting plate (421), a driving gear (426) is keyed connected to the output shaft of the third motor (425), a driven gear (427) is fixedly connected to the rotating shaft (423), and the driven gear (427) is engaged with the driving gear (426).

5. The monazite and flake caustic stirring apparatus according to claim 3, characterized by, A crushing mechanism (5) is further installed in the stirring tank (1), the crushing mechanism (5) comprises a partition plate (52) which is fixedly connected in the stirring tank (1) to divide the stirring tank (1) into two layers, a communication groove (521) is formed in the partition plate (52), a second motor (51) is installed on the end cover (41), a connecting shaft (53) is fixedly connected to the output shaft of the second motor (51), a crushing knife (54) is fixedly connected to the connecting shaft (53), and a spraying assembly (55) is further installed on the stirring tank (1).

6. The monazite with caustic soda stirring apparatus according to claim 5, characterized by, The spraying assembly (55) comprises a water storage tank (551) placed on the ground, a first pressure pump (553) is installed on the water storage tank (551), a first water inlet pipe (552) is fixedly connected to the water inlet end of the first pressure pump (553), one end of the first water inlet pipe (552) away from the first pressure pump (553) is located in the water storage tank (551), a water outlet pipe (554) is fixedly connected to the water outlet end of the first pressure pump (553), a first spray head (555) is fixedly connected to one end of the water outlet pipe (554) away from the first pressure pump (553), the first spray head (555) is located in the stirring tank (1) and between the baffle (52) and the end cover (41).

7. The monazite with caustic soda stirring apparatus according to claim 6, characterized by, A anti-blocking mechanism (6) is also installed on the stirring tank (1), the anti-blocking mechanism (6) comprises a second pressure pump (61), a second water inlet pipe (62) is fixedly connected to the water inlet end of the second pressure pump (61), one end of the second water inlet pipe (62) away from the second pressure pump (61) is located in the water storage tank (551), an anti-blocking pipe (63) is fixedly connected to the water outlet end of the second pressure pump (61), a second spray head (64) is fixedly connected to one end of the anti-blocking pipe (63) away from the second pressure pump (61), and the second spray head (64) is located at the position of the discharge port (13) in the stirring tank (1).

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