Dedusting and recycling system of stirrer

Abstract

The invention discloses a dust removal and recovery system of a stirring machine, and relates to the technical field of stirring machines, and the dust removal and recovery system is technically characterized by comprising a base and a support fixedly mounted on the base, a stirring tank is fixedly mounted at the top of the base, a dust removal mechanism is arranged on the left side of the stirring tank, and a stirring mechanism is arranged on the support; the dust removal mechanism comprises a dust guide assembly, a knocking assembly, a dust suction assembly and a recovery assembly, the dust guide assembly is fixedly installed on the stirring tank and is a dust guide pipe communicated with an inner cavity of the stirring tank, an exhaust fan is fixedly installed at the dust outlet end of the dust guide pipe, and a conveying bent pipe is fixedly installed at the output end of the exhaust fan; by arranging the dust guiding assembly, the dust collecting assembly, the knocking cleaning assembly and the recycling assembly and optimizing electric field distribution, efficient capturing, automatic cleaning and unified collecting treatment of dust are achieved, environmental pollution is remarkably reduced, staff health is protected, meanwhile, the system operation efficiency and stability are improved, the treatment cost is reduced, and the system is suitable for popularization and application. And the requirements of modern industrial production on an efficient and clean production environment are met.

Description

Technical Field

[0001] The invention relates to the technical field of mixers, and in particular to a dust removal and recovery system for a mixer. Background Art

[0002] In construction, chemical industry and many other industrial fields, mixers are commonly used as key equipment, playing an important role in mixing and stirring various materials. The mixing process is often accompanied by the generation of a large amount of dust, which not only causes serious pollution to the environment, but also affects the health of employees. Traditional dust removal devices mostly use filters to absorb dust, which effectively reduces the pollution of dust to the environment.

[0003] However, since the filter will gradually become clogged during the continuous dust absorption process, resulting in a decrease in dust removal effect, it must be replaced or cleaned regularly. This process is not only cumbersome and requires a lot of labor and time costs, but also the filter is easily damaged during the replacement or cleaning process, which reduces its service life. In addition, frequent replacement of filters will also increase costs. Therefore, we propose a new type of mixer dust removal and recycling system. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a dust removal and recovery system for a mixer, which solves the problems that the filter screen of a traditional dust removal device is easily clogged, needs to be frequently replaced or cleaned, is costly and is easily damaged.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a dust removal and recovery system for a mixer, comprising a base and a bracket fixedly installed on the base, a mixing tank fixedly installed on the top of the base, a dust removal mechanism arranged on the left side of the mixing tank, and a mixing mechanism arranged on the bracket.

[0006] The dust removal mechanism comprises a dust guiding component, a knocking component, a dust suction component and a recovery component.

[0007] The dust guide assembly is fixedly mounted on the mixing tank and is connected to a dust guide pipe with the inner cavity of the mixing tank. An exhaust fan is fixedly mounted on the dust outlet end of the dust guide pipe, and a transport elbow is fixedly mounted on the output end of the exhaust fan.

[0008] The knocking assembly includes a wind box fixedly connected to the dust outlet end of the transport elbow and communicated with the inner cavity of the transport elbow, the inner cavity of the wind box is rotatably connected to a wind wheel, the wind blades of the wind wheel are rotatably connected to a striking rod, and an impact ball is fixedly installed on the end of the striking rod away from the wind wheel.

[0009] The dust suction assembly includes a dust suction tube fixedly installed at the bottom of the wind box and connected to the inner cavity of the wind box, a plurality of guide pillars are fixedly installed on the inner circular surface of the dust suction tube, an arc-shaped dust suction plate coaxial with the dust suction tube is slidably connected to the guide pillar, and a telescopic spring fixedly installed between the arc-shaped dust suction plate and the dust suction tube is wound around the outer side of the guide pillar.

[0010] The dust suction assembly also includes a conductive rod mounting piece fixedly mounted on the inner arc surface of the arc-shaped dust suction plate, a plurality of conductive rods are fixedly mounted on the conductive rod mounting piece, a conductive arc block is fixedly mounted on one end of the conductive rod close to the dust outlet of the dust suction pipe, and a power supply is fixedly mounted on the outside of the dust suction pipe.

[0011] The recovery component includes a connection cover fixedly installed on the outer cylindrical surface of the dust suction pipe and located on the outside of the power supply, the outer cylindrical surface of the connection cover is provided with a plurality of air outlets, the inner cavity of the air outlets is fixedly installed with a microporous filter membrane, the lower end of the connection cover is fixedly installed with a recovery box that is connected to the inner cavity of the connection cover and fixedly connected to the base, and the inner cavity of the recovery box is slidably connected with a dust collection drawer.

[0012] Preferably, the impact ball is made of a rubber ball.

[0013] Preferably, one end of the arc-shaped dust suction plate close to the dust inlet of the dust suction pipe extends to the inner cavity of the wind box, wherein the arc-shaped dust suction plate does not affect the rotation of the wind wheel in the wind box.

[0014] Preferably, the dust suction pipe, guide column and conductive rod mounting piece are all made of insulating materials; and the arc-shaped dust suction plate is made of stainless steel.

[0015] Preferably, the arc-shaped dust suction plate is connected to the positive electrode of the power supply by a wire; and the conductive arc block is connected to the negative electrode of the power supply by a wire.

[0016] Preferably, the plurality of conductive rods are evenly distributed in a circular shape within the conductive arc block.

[0017] Preferably, the stirring mechanism includes a hydraulic rod fixedly mounted on a bracket, a stirring motor fixedly mounted on the output end of the hydraulic rod, a tank cover fixedly mounted on the bottom of the stirring motor, the output end of the stirring motor passes through the tank cover and is fixedly connected to a stirring member; the tank cover is adapted to the stirring tank.

[0018] Compared with the prior art, the present invention provides a method having the following beneficial effects:

[0019] 1. The present invention effectively solves the problem of easy clogging of the filter screen of the traditional dust removal device by providing a dust guide component and a dust suction component. The dust guide component gently extracts the dusty air in the mixing tank, and the dust suction plate on the dust suction component uses the electric field force to efficiently capture the dust, avoiding the frequent replacement and cleaning of the filter screen, reducing costs and extending the service life.

[0020] 2. The present invention realizes automatic cleaning of dust accumulated on the dust collecting plate by setting a knocking component. When the dust accumulates to a certain amount, the system can automatically adjust the speed of the exhaust fan, drive the wind wheel to rotate quickly, and continuously knock the arc-shaped dust collecting plate through the knocking rod and the knocking ball to make it vibrate slightly, thereby effectively shaking off the dust adsorbed on the surface. This design not only avoids the tediousness and cost of manual cleaning, but also improves the operating efficiency and stability of the system.

[0021] 3. The present invention realizes the unified collection and treatment of dust by setting up a recovery component. The recovery component includes a connection cover, an air outlet, a microporous filter membrane and a recovery box, etc., which can further filter the air treated by the dust collection component to ensure that the final discharged air meets strict environmental protection standards. At the same time, the dust collection drawer in the recovery box can be easily taken out and cleaned, realizing the unified collection and treatment of dust and reducing the treatment cost.

[0022] 4. The present invention significantly improves the system's adsorption effect on dust in the wind by setting up electric field generating devices such as conductive rods and conductive arc blocks and optimizing their distribution. Several conductive rods are evenly distributed in the conductive arc block in a circular shape. This design ensures the uniform distribution of the electric field force and indirectly enhances the electric field's attraction to dust particles by reducing the "dead angle" in the electric field. This innovative design not only improves the dust removal efficiency of the system, but also provides strong support for its wide application in the industrial field. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is an enlarged structural schematic diagram of the dust removal mechanism of the present invention;

[0025] Figure 3 It is a schematic cross-sectional structure diagram of the striking assembly of the present invention;

[0026] Figure 4 It is a schematic diagram of the enlarged structure of the wind wheel of the present invention;

[0027] Figure 5 It is a schematic diagram of the structure of the dust collection component of the present invention;

[0028] Figure 6 It is a schematic diagram of the cross-sectional structure of the dust collection component of the present invention.

[0029] In the figure:

[0030] 1. Base;

[0031] 2. Bracket;

[0032] 3. Mixing tank;

[0033] 4. Dust removal mechanism;

[0034] 41. dust guide assembly; 411. dust guide pipe; 412. exhaust fan; 413. transport elbow;

[0035] 42. striking assembly; 421. wind box; 422. wind wheel; 423. striking rod; 424. striking ball;

[0036] 43. Dust collection assembly; 431. Dust collection pipe; 432. Guide column; 433. Arc dust collection plate; 434. Telescopic spring; 435. Conductive rod mounting piece; 436. Conductive rod; 437. Conductive arc block; 438. Power supply;

[0037] 44. Recovery component; 441. Connection cover; 442. Air outlet; 443. Microporous filter membrane; 444. Recovery box; 445. Dust collection drawer;

[0038] 5. Stirring mechanism;

[0039] 51. Hydraulic rod; 52. Stirring motor; 53. Tank cover; 54. Stirring element. DETAILED DESCRIPTION

[0040] In the present invention, unless otherwise specified, the directions used, such as "up" and "down", usually refer to the directions shown in the drawings, or to the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0041] The present invention provides a technical solution:

[0042] See also Figures 1 to 6 A dust removal and recovery system for a mixer includes a base 1 and a bracket 2 fixedly installed on the base 1, a mixing tank 3 is fixedly installed on the top of the base 1, a dust removal mechanism 4 is arranged on the left side of the mixing tank 3, and a mixing mechanism 5 is arranged on the bracket 2.

[0043] The dust removal mechanism 4 includes a dust guiding component 41, a knocking component 42, a dust suction component 43 and a recovery component 44. Through the synergistic effect of the dust guiding component 41, the knocking component 42, the dust suction component 43 and the recovery component 44, efficient capture, automatic cleaning and unified recovery of dust are achieved, the problem of filter clogging is avoided, maintenance costs are reduced, and dust removal efficiency and environmental protection performance are improved.

[0044] The dust guide component 41 is fixedly mounted on the mixing tank 3 and is connected to the dust guide pipe 411 of the inner cavity of the mixing tank 3. The dust outlet end of the dust guide pipe 411 is fixedly mounted with an exhaust fan 412. The output end of the exhaust fan 412 is fixedly mounted with a transport elbow 413. The dust guide pipe 411 is connected to the inner cavity of the mixing tank 3, and the exhaust fan 412 and the transport elbow 413 are used to extract the dust-containing air from the mixing tank 3 and transport it to the subsequent dust removal link, thereby effectively avoiding dust leakage and ensuring the cleanliness and safety of the working environment.

[0045] The knocking assembly 42 includes a wind box 421 fixedly connected to the dust outlet end of the transport bend pipe 413 and connected to the inner cavity of the transport bend pipe 413. The inner cavity of the wind box 421 is rotatably connected to a wind wheel 422. The wind blades of the wind wheel 422 are rotatably connected to a striking rod 423. An striking ball 424 is fixedly installed on the end of the striking rod 423 away from the wind wheel 422. Through the design of the wind wheel 422, the striking rod 423 and the striking ball 424, the centrifugal force generated by the airflow driving the wind wheel 422 to rotate is used to make the striking ball 424 continuously knock on the arc-shaped dust suction plate 433, thereby effectively shaking off the accumulated dust and ensuring the continuous and efficient operation of the dust removal system.

[0046] The dust suction component 43 includes a dust suction pipe 431 fixedly installed at the bottom of the wind box 421 and connected to the inner cavity of the wind box 421, a plurality of guide pillars 432 are fixedly installed on the inner circular surface of the dust suction pipe 431, and an arc-shaped dust suction plate 433 coaxial with the dust suction pipe 431 is slidably connected to the guide pillar 432, and a telescopic spring 434 fixedly installed between the arc-shaped dust suction plate 433 and the dust suction pipe 431 is wound around the outer side of the guide pillar 432. Through the structural design of the dust suction pipe 431, the guide pillar 432, the arc-shaped dust suction plate 433 and the telescopic spring 434, efficient adsorption and accumulation of dust are achieved. At the same time, the elasticity of the telescopic spring 434 is utilized in combination with the vibration cleaning of the knocking component 42 to effectively prevent dust clogging and ensure the continuous and efficient operation of the dust removal system.

[0047] The dust collection component 43 also includes a conductive rod mounting part 435 fixedly mounted on the inner arc surface of the arc-shaped dust collection plate 433, and a plurality of conductive rods 436 are fixedly mounted on the conductive rod mounting part 435. A conductive arc block 437 is fixedly mounted on one end of the conductive rod 436 close to the dust outlet of the dust collection pipe 431, and a power supply 438 is fixedly mounted on the outer side of the dust collection pipe 431. Through the conductive rod mounting part 435 and the conductive rods 436 and the conductive arc block 437 thereon, in conjunction with the power supply 438, an electric field is formed in the dust collection pipe 431, thereby enhancing the adsorption effect on dust particles, improving dust removal efficiency, reducing dust pollution to the environment, and at the same time extending the cleaning cycle of the dust collection component 43 and reducing maintenance costs.

[0048] The recovery component 44 includes a connecting cover 441 fixedly mounted on the outer circumferential surface of the dust suction pipe 431 and located on the outside of the power supply 438. The outer circumferential surface of the connecting cover 441 is provided with a plurality of air outlets 442. The inner cavity of the air outlet 442 is fixedly mounted with a microporous filter membrane 443. A recovery box 444 which is connected to the inner cavity of the connecting cover 441 and fixedly connected to the base 1 is fixedly mounted at the lower end of the connecting cover 441. A dust collection drawer 445 is slidably connected to the inner cavity of the recovery box 444. The dust in the air is further filtered through the connecting cover 441 and the microporous filter membrane 443 of the air outlet 442 to ensure that the emission meets the standards. At the same time, the dust collection drawer 445 is convenient for collecting and processing the dust that is shaken off.

[0049] Furthermore, the impact ball 424 is made of a rubber ball. By making the impact ball 424 into a rubber ball, it can ensure that the dust can be effectively shaken off when hitting the arc dust suction plate 433 through its good elasticity and impact resistance, while reducing the impact noise and the wear of the impact ball 424 and the arc dust suction plate 433, thereby extending the service life.

[0050] Furthermore, one end of the arc-shaped dust suction plate 433 close to the dust inlet of the dust suction pipe 431 extends to the inner cavity of the wind box 421, wherein the arc-shaped dust suction plate 433 does not affect the rotation of the wind wheel 422 in the wind box 421. The design of the arc-shaped dust suction plate 433 extending to the inner cavity of the wind box 421 ensures that the rotation of the wind wheel 422 is not affected, thereby realizing the independent operation of dust suction and wind wheel 422 driving.

[0051] Furthermore, the dust suction tube 431, the guide column 432 and the conductive rod mounting piece 435 are all made of insulating materials; the arc-shaped dust suction plate 433 is made of stainless steel. The dust suction tube 431, the guide column 432 and the conductive rod mounting piece 435 made of insulating materials can prevent current leakage and ensure safety; the stainless steel arc-shaped dust suction plate 433 has good conductivity and durability, can maintain the electric field dust suction effect for a long time, and improve the dust removal efficiency.

[0052] Furthermore, the arc-shaped dust suction plate 433 is connected to the positive pole of the power supply 438 by a wire; the conductive arc block 437 is connected to the negative pole of the power supply 438 by a wire. The arc-shaped dust suction plate 433 is connected to the positive pole of the power supply 438, and the conductive arc block 437 is connected to the negative pole, so as to form an electric field, enhance the dust adsorption effect, and improve the dust removal efficiency. At the same time, this connection method also ensures the integrity and safety of the current path.

[0053] Furthermore, a plurality of conductive rods 436 are evenly distributed in a circular shape in the conductive arc block 437. By evenly distributing the conductive rods 436 in a circular shape in the conductive arc block 437, the electric field is evenly distributed, the electric field "dead corners" are reduced, and the dust adsorption efficiency is improved, thereby optimizing the dust removal effect and making the mixer dust removal and recovery system more efficient and reliable.

[0054] Furthermore, the stirring mechanism 5 includes a hydraulic rod 51 fixedly mounted on the bracket 2, a stirring motor 52 is fixedly mounted on the output end of the hydraulic rod 51, a tank cover 53 is fixedly mounted on the bottom of the stirring motor 52, and the output end of the stirring motor 52 passes through the tank cover 53 and is fixedly connected with a stirring member 54; the tank cover 53 is adapted to the stirring tank 3, and the stirring motor 52 and the tank cover 53 are driven by the hydraulic rod 51 to tightly cover the stirring tank 3, thereby achieving sealing of the stirring process, effectively preventing material splashing and dust leakage, ensuring the cleanliness and safety of the working environment, and improving the stirring efficiency.

[0055] When used specifically, the working principle of the present invention is as follows:

[0056] When using the mixer dust removal and recycling system, first, the user needs to put the material to be mixed into the mixing tank 3. Then, through the precise command of the external controller, the mixing mechanism 5 is started. After receiving the signal, the hydraulic rod 51 slowly extends downward, driving the tank cover 53 to tightly and firmly cover the top of the mixing tank 3. This design effectively prevents the material from splashing or the dust from leaking during the mixing process, ensuring the cleanliness and safety of the working environment.

[0057] Then, the stirring motor 52 is started, so that the stirring member 54 rotates at a high speed to fully and evenly mix and stir the materials in the tank. At the same time, the dust removal mechanism 4 built into the system is also started synchronously to deal with the dust problem generated during the stirring process.

[0058] The dust guide assembly 41 is the first step in the dust removal process, and its exhaust fan 412 runs in a low-speed mode under the precise control of an external controller. This speed setting ensures that the exhaust fan 412 can gently extract the dust-containing air in the mixing tank 3, and avoids the excessive airflow intensity that drives the wind wheel 422 in the knocking assembly 42 to rotate in advance, thereby ensuring the efficiency and stability of the initial dust removal. The extracted dust-containing air smoothly enters the transport elbow 413 through the dust guide pipe 411, and continues to flow to the subsequent dust removal link.

[0059] Entering the dust collection component 43 stage, the dust-laden air is guided to the dust collection pipe 431. At this time, the arc-shaped dust collection plate 433 and the conductive rod 436 form a strong electric field area under the action of the power supply 438. When the dust particles pass through this electric field, they are strongly attracted by the electric field force and are tightly adsorbed to the surface of the arc-shaped dust collection plate 433, thereby achieving efficient capture of dust. It is worth mentioning that a number of conductive rods 436 are evenly distributed in a circular shape in the conductive arc block 437. This design ensures the uniform distribution of the electric field force, and indirectly improves the system's adsorption effect on dust in the wind by optimizing the electric field distribution (reducing the "dead corners" in the electric field, that is, areas with weak or zero electric field strength), so that the system has a better adsorption effect on dust in the wind.

[0060] After being processed by the dust collecting component 43, the air is initially purified. Then, the air continues to flow to the recovery component 44. At the air outlet 442, the microporous filter membrane 443 acts as the last line of defense to further filter out the trace dust remaining in the air, ensuring that the final discharged air meets strict environmental protection standards.

[0061] When the dust in the mixing tank 3 is effectively absorbed and accumulated to a certain amount, the system automatically enters the cleaning stage. At this time, the external controller adjusts the speed of the exhaust fan 412 to the high-speed mode, and the powerful airflow drives the wind wheel 422 to rotate rapidly. The impact rod 423 and the impact ball 424 on the wind wheel 422 rotate synchronously therewith, and continuously hit the arc-shaped dust suction plate 433 under the action of centrifugal force. Thanks to the ingenious design of the guide column 432 and the telescopic spring 434, the arc-shaped dust suction plate 433 can produce slight vibrations when hit, effectively shaking off the dust adsorbed on its surface. The dust that is shaken off naturally falls into the dust collection drawer 445 in the recovery box 444 under the action of gravity, which is convenient for subsequent unified collection and processing.

[0062] In summary, the mixer dust removal and recycling system not only successfully solves the problem of dust pollution during the mixing process, but also significantly improves the operating efficiency and environmental performance through the dust removal and recycling mechanism. This innovative design not only meets the urgent needs of modern industrial production for an efficient and clean production environment, but also makes a positive contribution to promoting the green development of industry.

[0063] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. A dust removal and recovery system for a mixer, comprising a base (1) and a bracket (2) fixedly mounted on the base (1), characterized in that: A stirring tank (3) is fixedly mounted on the top of the base (1), a dust removal mechanism (4) is arranged on the left side of the stirring tank (3), and a stirring mechanism (5) is arranged on the bracket (2); The dust removal mechanism (4) comprises a dust guiding component (41), a knocking component (42), a dust suction component (43) and a recovery component (44); The dust guide assembly (41) is fixedly mounted on the stirring tank (3) and is connected to a dust guide pipe (411) in communication with the inner cavity of the stirring tank (3); a dust outlet end of the dust guide pipe (411) is fixedly mounted with an exhaust fan (412); and a transport elbow (413) is fixedly mounted on the output end of the exhaust fan (412); The knocking assembly (42) comprises a wind box (421) fixedly connected to the dust outlet end of the transport bend pipe (413) and communicated with the inner cavity of the transport bend pipe (413); the inner cavity of the wind box (421) is rotatably connected to a wind wheel (422); the wind blades of the wind wheel (422) are rotatably connected to a striking rod (423); and a striking ball (424) is fixedly mounted on one end of the striking rod (423) away from the wind wheel (422); The dust suction assembly (43) comprises a dust suction pipe (431) fixedly mounted on the bottom of the wind box (421) and connected to the inner cavity of the wind box (421); a plurality of guide pillars (432) are fixedly mounted on the inner circumferential surface of the dust suction pipe (431); an arc-shaped dust suction plate (433) coaxial with the dust suction pipe (431) is slidably connected to the guide pillars (432); and a telescopic spring (434) fixedly mounted between the arc-shaped dust suction plate (433) and the dust suction pipe (431) is wound around the outer side of the guide pillars (432); The dust collection assembly (43) further comprises a conductive rod mounting member (435) fixedly mounted on the inner arc surface of the arc-shaped dust collection plate (433); a plurality of conductive rods (436) are fixedly mounted on the conductive rod mounting member (435); a conductive arc block (437) is fixedly mounted on one end of the conductive rod (436) close to the dust outlet of the dust collection pipe (431); and a power source (438) is fixedly mounted on the outer side of the dust collection pipe (431); The recovery component (44) comprises a connection cover (441) fixedly mounted on the outer circumferential surface of the dust suction pipe (431) and located outside the power supply (438); the outer circumferential surface of the connection cover (441) is provided with a plurality of air outlets (442); the inner cavity of the air outlets (442) is fixedly mounted with a microporous filter membrane (443); a recovery box (444) connected to the inner cavity of the connection cover (441) and fixedly connected to the base (1) is fixedly mounted at the lower end of the connection cover (441); the inner cavity of the recovery box (444) is slidably connected with a dust collection drawer (445).

2. A dust removal and recovery system for a mixer according to claim 1, characterized in that: The impact ball (424) is made of a rubber ball.

3. A dust removal and recovery system for a mixer according to claim 1, characterized in that: One end of the arc-shaped dust suction plate (433) close to the dust inlet of the dust suction pipe (431) extends to the inner cavity of the wind box (421), wherein the arc-shaped dust suction plate (433) does not affect the rotation of the wind wheel (422) in the wind box (421).

4. A dust removal and recovery system for a mixer according to claim 1, characterized in that: The dust suction pipe (431), the guide column (432) and the conductive rod mounting member (435) are all made of insulating materials; and the arc-shaped dust suction plate (433) is made of stainless steel.

5. The dust removal and recovery system for a mixer according to claim 1, characterized in that: The arc-shaped dust suction plate (433) is connected to the positive electrode of the power source (438) by means of a wire; and the conductive arc block (437) is connected to the negative electrode of the power source (438) by means of a wire.

6. A dust removal and recovery system for a mixer according to claim 1, characterized in that: The plurality of conductive rods (436) are evenly distributed in a circumferential shape within the conductive arc block (437).

7. A dust removal and recovery system for a mixer according to claim 1, characterized in that: The stirring mechanism (5) comprises a hydraulic rod (51) fixedly mounted on a bracket (2); a stirring motor (52) is fixedly mounted on the output end of the hydraulic rod (51); a tank cover (53) is fixedly mounted on the bottom of the stirring motor (52); the output end of the stirring motor (52) passes through the tank cover (53) and is fixedly connected to a stirring member (54); the tank cover (53) is adapted to the stirring tank (3).

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