Mixing granulation system

Abstract

The utility model relates to a mixing granulation system which comprises a mixing machine and a feeding device, the mixing machine comprises a machine frame, a cylinder part and a cylinder cover part, the cylinder part and the cylinder cover part are connected to the machine frame, the feeding device comprises a liquid storage part, a liquid conveying pipeline and a spraying assembly, the liquid conveying pipeline is connected with the liquid storage part and the spraying assembly, the spraying assembly comprises a rotary spraying part, and the rotary spraying part is connected with the liquid storage part. The rotary spraying part is rotatably connected to the barrel cover part and is used for spraying liquid into the material mixing cavity. The feeding device conveys liquid in the liquid storage part to the spraying assembly through the liquid conveying pipeline, and the liquid is uniformly sprayed into the mixing cavity through the rotary spraying part on the spraying assembly, so that raw materials such as water and oil are more uniformly mixed with other granular and powdery raw materials, the consistency of raw material mixing is improved, and the quality of finished products is favorably improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to industrial mixing technology field, concretely relates to a kind of mixed granulation system. BACKGROUND

[0002] The mixing machine is a mechanical device that uses mechanical force and gravity to uniformly mix and form particles of two or more materials. It completes the processes of mixing, kneading, and balling in one device, with fewer steps and simple operation, allowing for the rapid and efficient production of desired particles in the shortest time possible.

[0003] During the mixing and granulation process, in addition to granular raw materials such as lime and carbon black, and catalyst particles, water, high and low temperature oils, and other liquid raw materials need to be added. In existing mixing machines, liquid raw materials are generally poured into the mixing chamber at once, which is not conducive to the mixing of various raw materials. The consistency of the chemical reaction of the raw materials is poor, and the quality of the finished product is not good. SUMMARY

[0004] The utility model aims to provide a kind of mixed granulation system, to solve the problems existing in prior art, such as the liquid raw materials such as water and oil added to the existing mixing machine are poured into the mixing chamber, which leads to poor uniformity of the mixing of various raw materials, affecting the quality of the finished product.

[0005] To achieve the above-mentioned utility model purposes, the utility model adopts the following technical solutions:

[0006] The utility model provides a kind of mixed granulation system, which comprises:

[0007] The mixing machine comprises a rack, a barrel member and a barrel cover member. The barrel member and the barrel cover member are connected to the rack. A mixing chamber is formed in the barrel member. The barrel cover member is angularly rotatable relative to the rack to open or close the mixing chamber.

[0008] The feeding device comprises a liquid storage member, a liquid conveying pipeline and a spraying assembly. The two ends of the liquid conveying pipeline are connected to the liquid storage member and the spraying assembly respectively. The spraying assembly comprises a rotating spraying member, which is rotatably connected to the barrel cover member for spraying liquid into the mixing chamber.

[0009] In some embodiments of the present application, the spraying assembly further comprises a connecting pipe, which penetrates the barrel cover member. One end of the connecting pipe extending above the barrel cover member is connected to the liquid conveying pipeline, and the other end of the connecting pipe extending below the barrel cover member is connected to the rotating spraying member. The rotating spraying member is rotatably connected to the lower end of the connecting pipe.

[0010] In some embodiments of the present application, the rotating spraying member comprises at least one spraying arm, a conveying channel is formed in the spraying arm, and the bottom of the spraying arm is provided with spraying holes in communication with the conveying channel, and the axis of each spraying hole is arranged in the same direction relative to the vertical direction.

[0011] In some embodiments of the present application, the rotating spraying member comprises a rotating body and a plurality of spraying arms arranged uniformly along the circumference of the rotating body, and each spraying arm is in communication with the connecting pipe through the rotating body.

[0012] In some embodiments of the present application, a rolling part is arranged above the rotating spraying member, and the rolling part is in rolling connection with the lower surface of the cylinder cover member.

[0013] In some embodiments of the present application, a mounting part is arranged on the rotating body, the mounting part is a concave part formed on the upper surface of the rotating body and extending downward, and the rolling part is rotatably connected in the mounting part.

[0014] In some embodiments of the present application, the rolling part comprises a rolling wheel and a rolling shaft connected to the rolling wheel, the rolling wheel is rotatably connected to the rolling shaft, and the rolling shaft is fixed in the mounting part.

[0015] In some embodiments of the present application, a check valve and a filter are further arranged on the infusion pipeline.

[0016] In some embodiments of the present application, a water pump member is arranged on the infusion pipeline for pumping the liquid in the liquid storage member into the rotating spraying member.

[0017] In some embodiments of the present application, an air inlet pipeline is connected to the top of the liquid storage member, the other end of the air inlet pipeline is connected to a gas pump, a pressure reducing valve and a pressure detection member are arranged on the air inlet pipeline, the gas pump pumps gas through the air inlet pipeline to above the liquid in the liquid storage member, and the liquid in the liquid storage member is pumped into the rotating spraying member.

[0018] Compared with the prior art, the present application has the following advantages and positive effects:

[0019] The mixing and granulating system disclosed by the present application comprises a feeding device in addition to a mixer, the feeding device delivers the liquid in the liquid storage member to the spraying assembly through an infusion pipeline, and the liquid is uniformly sprayed into the mixing cavity through the rotating spraying member on the spraying assembly, so that the water, oil and other raw materials are mixed more uniformly with other granular and powdery raw materials, the consistency of the raw material mixture is improved, and the product quality is improved.

[0020] The spraying assembly comprises at least one spraying arm rotatably connected below the barrel cover, and under the action of the reverse thrust of the liquid during the liquid output, the rotating spraying part can rotate and spray at the top of the mixing cavity, thereby improving the uniformity of the liquid spraying.

[0021] Other features and advantages of the present application will become more apparent after reading the detailed description of the preferred embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0023] Figure 1 is a structural schematic diagram of one embodiment of the mixing machine proposed in the present application;

[0024] Figure 2 is a structural schematic diagram of another embodiment of the mixing machine;

[0025] Figure 3 is a connection schematic diagram of the mixing and granulating system;

[0026] Figure 4 is a structural schematic diagram of one embodiment of the spraying assembly;

[0027] Figure 5 is an enlarged schematic diagram of A in Figure 4

[0028] Figure 6 is a structural schematic diagram of another embodiment of the spraying assembly;

[0029] Figure 7 is a structural schematic diagram of the rotating spraying part;

[0030] Figure 8 is an enlarged schematic diagram of B in Figure 7

[0031] Figure 9 is a structural schematic diagram of another embodiment of the spraying assembly;

[0032] In the drawings,

[0033] 100, frame; 110, support base; 120, support stand;

[0034] 200, barrel part; 201, mixing cavity; 210, second driving part; 220, rotating driving part;

[0035] ​​300, barrel cover member; 310, first driving member;

[0036] 400, stirring assembly;

[0037] 500, connecting pipe;

[0038] 600, rotating spraying member; 610, rotating main body; 611, avoiding part; 612, mounting part; 620, spraying arm; 621, spraying hole; 630, rolling part; 631, roller; 632, rolling shaft;

[0039] 700, liquid storage member; 710, air inlet pipeline; 711, gas pump; 712, pressure reducing valve; 720, liquid delivery pipeline; 721, ball valve; 722, check valve; 723, filter. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0041] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0042] The terms "first", "second" are only for descriptive purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified and limited, the term "multiple" means two or more.

[0043] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0044] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them.Moreover, first feature is on, above and on of second feature includes that first feature is directly above and obliquely above of second feature, or only indicates that horizontal height of first feature is higher than second feature.Horizontal height of first feature is less than second feature.

[0045] The disclosure below provides many different implementations or examples to implement different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the utility model. In addition, the utility model can refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various implementations and / or settings discussed.

[0046] Reference Figures 1-3 The application provides a mixing and granulating system, which comprises a mixer and a feeding device connected with the mixer and used for conveying liquid raw materials, such as water and oil, into the mixer.

[0047] The mixer specifically comprises a rack 100, a barrel member 200 and a barrel cover member 300, the rack 100 serves as a supporting base of the mixer, and the bottom of the rack 100 is used for supporting on an operation platform or the ground.

[0048] The barrel member 200 and the barrel cover member 300 are connected to the rack 100, a mixing cavity 201 is formed in the barrel member 200, and the barrel cover member 300 is angularly rotatable relative to the rack 100 so as to open or close the mixing cavity 201.

[0049] The feeding device comprises a liquid storage member 700, a liquid conveying pipeline 720 and a spraying assembly, the liquid storage member 700 is specifically a liquid storage cylinder, and scale lines are arranged on the outer wall of the liquid storage member 700, so that the liquid storage member 700 can quantitatively convey liquid into the mixer and facilitate an operator to observe.

[0050] Two ends of the liquid conveying pipeline 720 are connected with the liquid storage member 700 and the spraying assembly respectively, the spraying assembly comprises a rotary spraying member 600, the rotary spraying member 600 is rotatably connected to the barrel cover member 300, and the rotary spraying member 600 is used for spraying liquid into the mixing cavity 201.

[0051] In some embodiments of the present application, the spraying assembly further comprises a connecting pipe 500 connected with the end of the liquid delivery pipe 720, the connecting pipe 500 penetrating through the barrel cover 300 and fixedly connected with the barrel cover 300, and the outer wall of the connecting pipe 500 is sealed with the barrel cover 300.

[0052] The end of the connecting pipe 500 extending above the barrel cover 300 is connected with the liquid delivery pipe 720, and the end of the connecting pipe 500 extending below the barrel cover 300 is connected with the rotating spraying member 600, and the rotating spraying member 600 is rotatably connected with the lower end of the connecting pipe 500.

[0053] The rotating spraying member 600 and the connecting pipe 500 are connected through a rotating joint, which can not only rotatably connect the rotating spraying member 600 and the connecting pipe 500, but also realize the communication between the connecting pipe 500 and the rotating spraying member 600 to realize the liquid delivery.

[0054] The structure of the rotating joint is a prior art, which is widely used in the field of common rotating spraying, and is not the design focus of the present application, and is not described here.

[0055] Alternatively, the connecting pipe 500 and the rotating spraying member 600 can be fixedly connected, and the connecting pipe 500 and the barrel cover 300 can be rotatably connected, and the rotation of the rotating spraying member 600 can be realized by the relative rotation between the connecting pipe 500 and the barrel cover 300.

[0056] Specifically refer to Figure 4 , Figure 6 and Figure 7 , the rotating spraying member 600 at least comprises a spraying arm 620, a delivery channel is formed in the spraying arm 620, and a spraying hole 621 in communication with the delivery channel is arranged at the bottom of the spraying arm 620, and the axis of each spraying hole 621 is arranged in the same direction relative to the vertical direction.

[0057] In other words, the opening direction of the spraying hole 621 at the bottom of the spraying arm 620 is opposite to the rotating direction of the rotating spraying member 600, and when the liquid is sprayed out of the spraying hole 621, the rotating spraying member 600 rotates under the reaction of the water flow, and further drives the spraying arm 620 to rotate and spray, so that the liquid is uniformly sprayed into the mixing cavity 201, so that the water, oil and other raw materials are mixed with other granular and powdery raw materials more uniformly, the consistency of the raw material mixture is improved, which helps to improve the quality of the finished product.

[0058] In some other embodiments, the rotating spraying member 600 comprises a rotating body 610 and a plurality of spraying arms 620 arranged on the rotating body 610 along the circumference of the rotating body 610, each of the spraying arms 620 being in communication with the connecting pipe 500 through the rotating body 610.

[0059] For example, referring to Figure 9 , one spraying arm 620 is arranged on each of the opposite sides of the rotating body 610, i.e., the two spraying arms 620 are arranged on a straight line.

[0060] Alternatively, referring to Figure 4 , three or more spraying arms 620 are arranged on the circumference of the rotating body 610 at equal angles, and the number of spraying holes 621 on each of the spraying arms 620 is consistent, which can ensure that the reaction force of the water flow in each direction on the rotating spraying member 600 is relatively balanced, and the stability is stronger.

[0061] In some other embodiments, a rolling part 630 is arranged above the rotating spraying member 600, and the rolling part 630 is in rolling connection with the lower surface of the barrel cover member 300.

[0062] During the rotation of the rotating spraying member 600, the rolling part 630 is in rolling contact with the barrel cover member 300, which can further improve the stability of the rotating spraying member 600 during the rotation and avoid the deflection of the rotating spraying member 600.

[0063] Specifically, referring to Figure 5 , Figure 8 , the rotating body 610 is formed with a mounting part 612, the mounting part 612 is a concave part formed on the upper surface of the rotating body 610 and extending downward, and the rolling part 630 is rotatably connected in the mounting part 612.

[0064] In the mounted state, at least part of the rolling part 630 protrudes above the upper surface of the rotating body 610 to realize the rolling connection with the barrel cover member 300 during the operation.

[0065] Specifically, the rolling part 630 comprises a rolling wheel 631 and a rolling shaft 632 connected to the rolling wheel 631, the rolling wheel 631 is rotatably connected to the rolling shaft 632, and the rolling shaft 632 is fixed in the mounting part 612.

[0066] The middle position of the mounting part 612 is further provided with a avoiding part 611 for containing the rolling wheel 631, so as to avoid the friction and interference between the rolling wheel 631 and the rotating body 610 and reduce the rotation resistance.

[0067] In the present application, the infusion pipeline 720 is further provided with a ball valve 721, a check valve 722 and a filter 723. The ball valve 721 is used to control the opening and closing of the infusion pipeline 720. The check valve 722 is a one-way valve which is opened or closed by the force of liquid flow to prevent backflow of liquid.

[0068] The filter 723 can filter the water to be treated in the infusion pipeline 720, block impurities from entering the mixing cavity 201, and improve the quality of the finished product.

[0069] In some embodiments, the liquid in the liquid storage member 700 is transported by a water pump member. The infusion pipeline 720 is provided with a water pump member for pumping the liquid in the liquid storage member 700 into the rotary spraying member 600.

[0070] In other embodiments, referring to Figure 3 , the liquid in the liquid storage member 700 is transported by gas pressure control. The top of the liquid storage member 700 is connected with an air inlet pipeline 710, the end of the air inlet pipeline 710 communicates with the top of the liquid storage member 700, and gas is transported above the liquid surface.

[0071] The liquid outlet of the liquid storage member 700 is located at the bottom of the liquid storage member 700. The other end of the air inlet pipeline 710 is connected with a gas pump 711. After the gas is pressurized by the gas pump 711, it is transported into the liquid storage member 700 through the air inlet pipeline 710, and the liquid is pushed out of the liquid storage member 700 by gas pressure and transported into the mixing cavity 201.

[0072] The air inlet pipeline 710 is provided with a pressure reducing valve 712 and a pressure detection member. The gas pump 711 pumps gas into the liquid in the liquid storage member 700 through the air inlet pipeline 710, and pumps the liquid in the liquid storage member 700 into the rotary spraying member 600.

[0073] The pressure detection member is used to detect the gas pressure on the air inlet pipeline 710, and further detect the pressure of the gas output by the gas pump 711.

[0074] Referring to Figure 1 , Figure 2 , the cylinder member 200 on the mixing machine is rotatably connected to the rack 100, and the cylinder member 200 and the rack 100 are arranged obliquely. The mixing cavity 201 is further provided with a stirring assembly 400. The raw materials are continuously lifted by the cylinder member 200 during rotation, stirred by the stirring assembly 400, and then fall under the action of their own gravity. This repeated lifting, stirring and falling can make the materials mix better under the action of gravity diffusion and reduce the problem of material adhesion to the inner wall of the mixing cavity 201.

[0075] The barrel cover 300 is connected to the frame 100 and can rotate in an angle with respect to the frame 100 in the up-down direction to open or close the mixing cavity 201.

[0076] The stirring assembly 400 comprises a stirring shaft and stirring blades, a stirring drive is connected to the barrel cover 300, the stirring shaft is connected to the output end of the stirring drive and extends into the mixing cavity 201, and the stirring blades are distributed on the outer wall of the stirring shaft.

[0077] In some embodiments of the present application, the stirring assembly 400 is arranged eccentrically with respect to the barrel 200.

[0078] In other words, the rotation center of the stirring shaft does not coincide with the center of the barrel 200, specifically, the stirring assembly 400 is arranged at an upper position in the barrel 200 and is located upstream of the mixing cavity 201 along the rotation direction of the barrel 200.

[0079] When the barrel 200 lifts the material upward from bottom to top, the material falls under the action of its own gravity after being further stirred by the stirring assembly 400, and thus the material is dispersed and mixed more uniformly through repeated stirring.

[0080] During operation, the material in the mixing cavity 201 is flipped upward to the corresponding stirring interval of the stirring assembly 400 with the rotation of the barrel 200, and is further mixed by the stirring blades.

[0081] In some embodiments of the present application, the frame 100 specifically comprises a support base 110 and a support stand 120, the bottom of the support base 110 is supported on the ground or a workbench, the barrel 200 is fixed on the support base 110, and the support stand 120 is arranged on the support base 110 and extends upward to connect the barrel cover 300.

[0082] The barrel cover 300 is hinged to the support stand 120, and the barrel cover 300 is used to open or close the mixing cavity 201.

[0083] When the barrel cover 300 is opened, the barrel cover 300 is flipped backward to open, exposing the mixing cavity 201, which facilitates the feeding of materials into the mixing cavity 201 or the output of the mixed product.

[0084] The opening and closing of the barrel cover 300 is realized by a first drive 310, specifically, the first drive 310 is formed on the support base 110, the fixed end of the first drive 310 is hinged to the support base 110, the telescopic end of the first drive 310 is hinged to the support stand 120, and the first drive 310 is used to drive the opening and closing of the barrel cover 300.

[0085] The first drive 310 can be an electric push rod or a hydraulic cylinder, etc. drive structure, which realizes the control of the connecting base through the telescopic end.

[0086] When the telescopic end of the first driving member 310 is shortened, the barrel cover member 300 is rotated around the rotation axis as the center of rotation, and the mixing cavity 201 is closed forwardly.

[0087] The telescopic end of the first driving member 310 is connected between the barrel cover member 300 and the hinged convex part, and when the telescopic end of the first driving member 310 is lengthened, the barrel cover member 300 is rotated around the rotation axis as the center of rotation, and is opened backwardly.

[0088] When the barrel cover member 300 is opened backwardly, the stirring assembly 400 is also turned and moved upwardly along an arc, and the stirring assembly 400 and the hinged convex part are both located at the upper position of the barrel member 200, so that the stirring assembly 400 can avoid interference with the barrel member 200 when the barrel cover member 300 is opened, and the activity range of the stirring assembly 400 is increased.

[0089] The inclination angle of the barrel member 200 in the working state is 0-30 degrees, and in order to facilitate unloading, the barrel member 200 can also be further turned downwardly by the second driving member 210 to more than 90 degrees, so that the opening of the mixing cavity 201 faces downwardly, and the mixed material can be conveniently output.

[0090] The second driving member 210 is arranged on the support base 110, the fixed end of the second driving member 210 is hinged to the support base 110, the bottom of the barrel member 200 is provided with a barrel base, and the telescopic end of the second driving member 210 is hinged to the barrel base, and is used to drive the turning and unloading and resetting of the barrel member 200.

[0091] The barrel base is also provided with a rotation driving member 220, the rotation driving member 220 is connected to the barrel member 200, and is used to drive the barrel member 200 to rotate relative to the barrel base along a first rotation direction.

[0092] The rotation direction of the stirring assembly 400 can be the same as that of the barrel member 200, and both rotate along the first rotation direction, or the rotation direction of the stirring assembly 400 can be opposite to that of the barrel member 200, and rotates along a second rotation direction opposite to the first rotation direction, and the specific rotation direction of the stirring assembly 400 can be set or switched according to the mixing state of the material.

[0093] In the description of the above embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0094] The above merely is the specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application, therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A mixing granulation system, characterized in that: include: A mixer comprising a frame, a barrel and a barrel cover, wherein the barrel and the barrel cover are connected to the frame, a mixing chamber is formed in the barrel, and the barrel cover rotates at an angle relative to the frame to open or close the mixing chamber; The feeding device includes a liquid storage part, an infusion pipeline and a spraying assembly. The two ends of the infusion pipeline are respectively connected to the liquid storage part and the spraying assembly. The spraying assembly includes a rotating spraying part, which can be rotatably connected to the cylinder cover to spray liquid into the mixing chamber.

2. The mixing granulation system according to claim 1, characterized in that: The spray assembly also includes a connecting pipe, which passes through the barrel cover. The end of the connecting pipe extending above the barrel cover is connected to the infusion pipeline, and the end of the connecting pipe extending below the barrel cover is connected to the rotating spray component. The rotating spray component can be rotatably connected to the lower end of the connecting pipe.

3. The mixing granulation system according to claim 2, characterized in that: The rotary spraying member includes at least one spraying arm, a conveying channel is formed in the spraying arm, and a spraying hole connected to the conveying channel is provided at the bottom of the spraying arm. The axes of the spraying holes are arranged along the same direction and inclined relative to the vertical direction.

4. The mixing granulation system according to claim 2, characterized in that: The rotary spraying member includes a rotating body and a plurality of spraying arms uniformly arranged on the rotating body along the circumference of the rotating body, and each of the spraying arms is connected to the connecting pipe through the rotating body.

5. The mixing granulation system according to claim 4, characterized in that: A rolling portion is provided above the rotary spraying member, and the rolling portion is rollingly connected to the lower surface of the barrel cover member.

6. The mixing granulation system according to claim 5, characterized in that: The rotating body is provided with a mounting portion, which is a recessed portion formed on the upper surface of the rotating body and extending downward, and the rolling portion is rotatably connected in the mounting portion.

7. The mixing granulation system according to claim 6, characterized in that: The rolling portion includes a roller and a rolling shaft connected to the roller. The roller is rotatably connected to the rolling shaft, and the rolling shaft is fixed in the mounting portion.

8. The mixing granulation system according to claim 1, characterized in that: The infusion pipeline is also provided with a check valve and a filter.

9. The mixing and granulating system according to any one of claims 1 to 8, characterized in that: The liquid infusion pipeline is provided with a water pump component for pumping the liquid in the liquid storage component into the rotating spray component.

10. The mixing and granulating system according to any one of claims 1 to 8, characterized in that: The top of the liquid storage component is connected to an air intake pipe, and the other end of the air intake pipe is connected to a gas pump. A pressure reducing valve and a pressure detection component are provided on the air intake pipe. The gas pump pumps the gas through the air intake pipe to above the liquid in the liquid storage component, and pumps the liquid in the liquid storage component into the rotating spray component.

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