Stirring device for producing tackifying and scale inhibiting integrated auxiliary agent

Abstract

The utility model provides a stirring device for producing a tackifying and scale inhibiting integrated auxiliary agent, and belongs to the technical field of chemical raw material mixing. The stirring device for producing the tackifying and scale inhibiting integrated auxiliary agent comprises a stirring assembly and a feeding structure installed at the top of the stirring assembly, the stirring assembly comprises a heating tank and a cooling tank, a first motor is installed at the top of the heating tank, a first rotating shaft is installed on an output shaft of the first motor, and a second rotating shaft is installed on an output shaft of the second motor. First stirring plates are installed on the two sides of the first rotating shaft correspondingly, a plurality of first circulating holes are formed in one side of each first stirring plate, a heating piece is installed on the heating tank and comprises an electric heating plate and a heat preservation shell, and the electric heating plate and the heat preservation shell are installed inside and outside the heating tank correspondingly. And a circulating part I is mounted at the bottom of the heating tank. According to the auxiliary agent mixing device, an auxiliary agent can be fully mixed relatively well, the auxiliary agent can be conveniently heated and cooled during stirring, and the efficiency of fully mixing the auxiliary agent is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical raw material mixing, in particular to a stirring device for producing a viscosity-increasing and scale-inhibiting integrated auxiliary agent. Background Art

[0002] Scale inhibitors are drugs that can disperse insoluble carbonates in water and prevent or affect the deposition and scaling of insoluble carbonates on metal surfaces. The key to reverse osmosis scale inhibitors include some natural thickeners, phosphonic acid, phosphonocarboxylic acid, phosphonosulfonic acid and high polymer polymers. Most of the scale inhibitors currently used are high polymer polymers. They can disperse insoluble carbonates in water and prevent or affect the accumulation and scaling of insoluble carbonates. Commonly used thickeners include rosin resins, polyterpene resins, dammar resins, petroleum resins, coumarone, indene resins, polystyrene resins, phenolic resins and xylene resins. It often has the functions of plasticizers and softeners. When mixing two scale inhibitors and thickeners, a stirring device is required to stir the production of thickening and scale inhibitor integrated additives.

[0003] Chinese Patent No. CN213610962U provides a chemical reagent and auxiliary agent mixing and stirring device, which solves the problem that the existing chemical reagent and auxiliary agent mixing and stirring device has poor uniformity when adding chemical reagents, which is not conducive to material mixing. At the same time, when receiving the mixed materials, the height cannot be adjusted according to needs, which easily leads to the problem of material spilling when receiving the materials. The device comprises a stirring barrel and a supporting mechanism, wherein a plurality of legs are arranged at the bottom of the stirring barrel, a stirring motor is installed at the middle of the top of the stirring barrel, a main feeding port is arranged on one side of the stirring motor, a secondary feeding port is arranged on the other side of the stirring motor, a discharge port is arranged at the middle of the bottom of the stirring barrel, a supporting mechanism is arranged on the inner side of the legs, a shunt pipe is installed on the top of the inner side of the stirring barrel, and a plurality of nozzles are evenly arranged at the bottom of the shunt pipe. The utility model has a novel structure and an ingenious conception, and the chemical reagents are added more evenly, which is conducive to the mixing and stirring of chemical reagents and auxiliary agents with materials, is convenient for adjustment according to the receiving vessel, and is conducive to use.

[0004] Although the above patent is easy to adjust according to the receiving container and is convenient for use, it cannot mix the auxiliary agent relatively well, and it is not convenient to heat and cool the auxiliary agent during stirring, resulting in relatively low efficiency in mixing the auxiliary agent. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a stirring device for producing an integrated viscosity-enhancing and scale-inhibiting auxiliary agent, aiming to improve the stirring device for producing an integrated viscosity-enhancing and scale-inhibiting auxiliary agent, where the distance between the extrusion rollers is usually relatively fixed and inconvenient to adjust.

[0006] The utility model is achieved in this way:

[0007] The utility model provides a stirring device for producing an integrated viscosity-increasing and scale-inhibiting auxiliary agent, comprising a stirring component and a feeding structure installed on the top of the stirring component, the stirring component comprising a heating tank and a cooling tank, a motor is installed on the top of the heating tank, a rotating shaft is installed on the output shaft of the motor, stirring plates are installed on both sides of the rotating shaft, a plurality of flow holes are opened on one side of the stirring plate, a heating element is installed on the heating tank, the heating element comprises an electric heating plate and a heat-insulating shell, the electric heating plate and the heat-insulating shell are respectively installed inside and outside the heating tank, a circulation component is installed at the bottom of the heating tank, the circulation component comprises a protective shell, a circulation pump is installed inside the protective shell, the output end of the circulation pump is connected to a conduit, one end of the conduit is installed with a connecting pipe, and the two ends of the connecting pipe are respectively connected to the heating tank and On one side of the cooling tank, valve one and valve two are arranged on the connecting pipe, motor two is installed on the top of the cooling tank, rotating shaft two is installed on the output shaft of motor two, stirring plates two are arranged on both sides of rotating shaft two, and a plurality of flow holes two are opened on one side of stirring plate two, a cooling part is installed on the outside of the cooling tank, the cooling part comprises a heat absorbing plate and heat dissipating fins, the heat absorbing plate is fixed on the outside of the cooling tank, and the heat dissipating fins are arranged on the outside of the heat absorbing plate, a circulation part two is installed on the bottom of the cooling tank, the circulation part two comprises a protective shell two, a circulating pump two is installed inside the protective shell two, the output end of the circulating pump two is connected with conduit two, one end of the conduit two is connected with the connecting pipe, the feeding structure comprises a feeding tank and a stirring part, the feeding tank is installed on the top of the heating tank, and the stirring part is installed on the feeding tank.

[0008] In one embodiment of the utility model, a liquid level gauge is provided on the front of the heating tank and the cooling tank, a feed hopper is fixed on the top of the heating tank and the cooling tank, and a threaded cover is threadedly installed on the top of the feed hopper.

[0009] In an embodiment of the utility model, support legs are fixed to the bottom of the heating tank and the cooling tank, and a bottom plate is fixed to the bottom of the support legs.

[0010] In one embodiment of the utility model, a discharge pipe is fixed to the bottom of the cooling tank, and a discharge valve is installed on one side of the discharge pipe.

[0011] In one embodiment of the utility model, the input end of the circulation pump 1 is connected to a connecting pipe 1, one end of which is connected to the bottom of the heating tank, and the input end of the circulation pump 2 is connected to a connecting pipe 2, one end of which is connected to one side of the discharge pipe.

[0012] In one embodiment of the utility model, a liquid level gauge is provided on the front of the feeding tank, a threaded cover is threadedly connected to the top of the feeding tank, a feeding pipe is installed at the bottom of the feeding tank, and a one-way solenoid valve is installed at the bottom of the feeding pipe.

[0013] In one embodiment of the utility model, the stirring member includes a motor three, the motor three is installed on the top of the feeding tank, and the output shaft of the motor three is installed with a stirring frame.

[0014] The beneficial effects of the utility model are as follows: the utility model obtains a stirring device for producing an integrated viscosity enhancing and scale inhibiting auxiliary agent through the above-mentioned design. When in use, the motor in the heating tank can drive the rotating shaft and the stirring plate to rotate, and at the same time, a plurality of flow holes are arranged on the stirring plate, which can stir and mix the raw materials in the heating tank. At the same time, the electric heating plate in the heating element can heat the raw materials in the heating tank when they are mixed, which meets the functions required for mixing and can improve the efficiency and sufficiency of the raw material mixing. The circulating pump in the circulating element can transport the raw materials in the heating tank to the heating tank, so that the raw materials mixed at the bottom are repeatedly transported to the top, which can further improve the mixing efficiency and sufficiency of the raw materials. The circulating pump can heat the heating tank The materials in the cooling tank are transported to the cooling tank through the connecting pipe, and the mixed thickening and scale inhibition integrated additive is cooled. At the same time, the heating tank can produce new thickening and scale inhibition integrated additive to improve the efficiency of mixed production of thickening and scale inhibition integrated additive. Motor 2 in the cooling tank drives rotating shaft 2 and stirring plate 2 to rotate, thereby stirring the thickening and scale inhibition integrated additive in the cooling tank to improve the efficiency of heat dissipation of the thickening and scale inhibition integrated additive. The heat absorbing plate and the heat dissipating fins are used to dissipate the heat of the thickening and scale inhibition integrated additive to further improve the efficiency of heat dissipation of the thickening and scale inhibition integrated additive. At the same time, circulating pump 2 is used to transport the raw materials of the thickening and scale inhibition integrated additive to the cooling tank, so that the thickening and scale inhibition integrated additive can dissipate the heat fully and evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of a stirring device for producing an integrated viscosity-increasing and scale-inhibiting auxiliary agent provided by an embodiment of the utility model;

[0017] Figure 2 A schematic diagram of the structure of a stirring device and a heating tank for producing an integrated viscosity-increasing and scale-inhibiting additive provided by an embodiment of the utility model;

[0018] Figure 3 A schematic diagram of the structure of a cooling tank of a stirring device for producing an integrated viscosity-increasing and scale-inhibiting additive provided by an embodiment of the utility model;

[0019] Figure 4 A schematic diagram of the structure of a stirring device and a feeding tank for producing an integrated viscosity-enhancing and scale-inhibiting additive provided in an embodiment of the utility model.

[0020] In the figure: 100, stirring assembly; 110, heating tank; 111, motor 1; 112, rotating shaft 1; 113, stirring plate 1; 114, circulation hole 1; 115, liquid level gauge 1; 116, feeding hopper; 117, threaded cover 1; 118, supporting leg; 119, bottom plate; 120, heating element; 121, electric heating plate; 122, insulation shell; 130, circulation element 1; 131, protective shell 1; 132, circulation pump 1; 133, connecting pipe 1; 134, conduit 1; 135, connecting pipe; 136, valve 1; 140, cooling tank; 141, motor 2; 142. Rotating shaft two; 143. Stirring plate two; 144. Circulation hole two; 145. Discharge pipe; 146. Discharge valve; 150. Cooling element; 151. Heat absorbing plate; 152. Heat dissipating fins; 160. Circulation element two; 161. Protective shell two; 162. Circulation pump two; 163. Connecting pipe two; 164. Conduit two; 165. Valve two; 200. Feeding structure; 210. Feeding tank; 211. Liquid level gauge two; 212. Threaded cover two; 213. Feeding pipe; 214. One-way solenoid valve; 220. Stirring element; 221. Motor three; 222. Stirring frame. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example

[0023] See also Figure 1-Figure 3The utility model provides a technical solution: a stirring device for producing an integrated viscosity-increasing and scale-inhibiting auxiliary agent, comprising a stirring assembly 100 and a feeding structure 200 installed on the top of the stirring assembly 100, the stirring assembly 100 comprising a heating tank 110 and a cooling tank 140, a motor 111 is installed on the top of the heating tank 110, the motor 111 drives a rotating shaft 112 and a stirring plate 113 to rotate, and stirs and mixes the raw materials in the heating tank 110, the output shaft of the motor 111 is installed with a rotating shaft 112, stirring plates 113 are installed on both sides of the rotating shaft 112, and a plurality of flow holes 114 are opened on one side of the stirring plate 113, a heating element 120 is installed on the heating tank 110, and the heating element 120 comprises an electric heating plate 12 1 and the heat preservation shell 122, the electric heating plate 121 heats the raw materials in the heating tank 110 when they are mixed, so as to meet the functions required during mixing and improve the efficiency and sufficiency of the raw material mixing. The electric heating plate 121 and the heat preservation shell 122 are respectively installed inside and outside the heating tank 110. A circulation part 130 is installed at the bottom of the heating tank 110. The circulation part 130 includes a protective shell 131. A circulation pump 132 is installed inside the protective shell 131. The circulation pump 132 transports the material in the heating tank 110 to the cooling tank 140 through the connecting pipe 135, and cools down the mixed viscosity-increasing and scale-inhibiting integrated additive. The output end of the circulation pump 132 is connected to a conduit 134, and one end of the conduit 134 is equipped with a connecting pipe 1 35, the two ends of the connecting pipe 135 are respectively connected to one side of the heating tank 110 and the cooling tank 140, the circulating pump 132 sequentially passes the raw materials in the heating tank 110 through the connecting pipe 133, the conduit 134 and the connecting pipe 135 into the heating tank 110, so that the raw materials mixed at the bottom are repeatedly transported to the top, the connecting pipe 135 is provided with a valve 136 and a valve 2 165, the top of the cooling tank 140 is installed with a motor 2 141, the motor 2 141 drives the rotating shaft 2 142 and the stirring plate 2 143 to rotate, so as to stir the viscosity-enhancing and scale-inhibiting integrated auxiliary agent in the cooling tank 140, and improve the heat dissipation efficiency of the viscosity-enhancing and scale-inhibiting integrated auxiliary agent, the output shaft of the motor 2 141 is installed with the rotating shaft 2 142, and both sides of the rotating shaft 2 142 A stirring plate 143 is provided, and a plurality of flow holes 144 are provided on one side of the stirring plate 143. A cooling member 150 is installed outside the cooling tank 140. The cooling member 150 includes a heat absorbing plate 151 and a heat dissipating fin 152. The cooperation of the heat absorbing plate 151 and the heat dissipating fin 152 dissipates heat for the integrated thickening and scale inhibition auxiliary agent, thereby further improving the heat dissipation efficiency of the integrated thickening and scale inhibition auxiliary agent. The heat absorbing plate 151 is fixed to the outside of the cooling tank 140, and the heat dissipating fin 152 is arranged on the outside of the heat absorbing plate 151. A circulation member 160 is installed at the bottom of the cooling tank 140. The circulation member 160 includes a protective shell 161. A circulation pump 162 is installed inside the protective shell 161. The output end of the circulation pump 162 is connected to a conduit 164.One end of the second conduit 164 is connected to the connecting pipe 135, and the second circulating pump 162 transports the viscosity-enhancing and scale-inhibiting integrated auxiliary agent to the cooling tank 140 through the second connecting pipe 163, the second conduit 164, the second conduit 164 and the first connecting pipe 133 in sequence, so that the viscosity-enhancing and scale-inhibiting integrated auxiliary agent can fully and evenly dissipate heat;

[0024] A liquid level gauge 115 is provided on the front of the heating tank 110 and the cooling tank 140. A feed hopper 116 is fixed on the top of the heating tank 110 and the cooling tank 140. The material is poured into the heating tank 110 through the feed hopper 116. A threaded cover 117 is threadedly installed on the top of the feed hopper 116. Support legs 118 are fixed to the bottom of the heating tank 110 and the cooling tank 140. A bottom plate 119 is fixed to the bottom of the support legs 118. A discharge pipe 145 is fixed to the bottom of the cooling tank 140. A discharge valve 146 is installed on one side of the discharge pipe 145. When discharge is required, the discharge valve 146 is opened, and the integrated viscosity enhancing and scale inhibition additive is discharged through the discharge pipe 145.

[0025] In one embodiment of the utility model, the input end of the circulation pump 132 is connected to the connecting pipe 133, one end of the connecting pipe 133 is connected to the bottom of the heating tank 110, the input end of the circulation pump 2 162 is connected to the connecting pipe 2 163, one end of the connecting pipe 2 163 is connected to one side of the discharge pipe 145, and the connecting pipes are used.

[0026] See also Figure 1 , Figure 2 and Figure 4 The feeding structure 200 includes a feeding tank 210 and a stirring member 220 . The feeding tank 210 is installed on the top of the heating tank 110 , and the stirring member 220 is installed on the feeding tank 210 .

[0027] A liquid level gauge 211 is provided on the front of the feeding tank 210, a threaded cover 212 is threadedly connected to the top of the feeding tank 210, a feeding pipe 213 is installed at the bottom of the feeding tank 210, the auxiliary raw materials enter the heating tank 110 through the feeding pipe 213, a one-way solenoid valve 214 is installed at the bottom of the feeding pipe 213, the stirring element 220 includes a motor 221, the motor 221 is installed on the top of the feeding tank 210, the output shaft of the motor 221 is installed with a stirring frame 222, the motor 221 drives the stirring frame 222 to rotate, and the stirring frame 222 can stir the auxiliary raw materials in the feeding tank 210 to avoid precipitation.

[0028] Specifically, the working principle of the stirring device for producing the integrated thickening and scale inhibition auxiliary agent is as follows: when in use, the material is poured into the heating tank 110 through the feed hopper 116, and the required auxiliary raw materials are poured into the feeding tank 210. When the auxiliary materials need to be added, the one-way solenoid valve 214 is started, and the auxiliary raw materials enter the heating tank 110 through the feeding pipe 213, the valve 136 is opened, the valve 2165 is closed, the electric heating plate 121 is started, and the motor 111 drives the rotating shaft 112 and the stirring plate 113 to rotate. At the same time, a plurality of flow holes 114 are provided on the stirring plate 113 to rotate the heating tank 110. 0, stir and mix the raw materials in the heating tank 110, start the electric heating plate 121, the electric heating plate 121 heats the raw materials in the heating tank 110 when mixing, meets the function required for mixing, and improves the efficiency and sufficiency of raw material mixing, starts the circulation pump 132, and the circulation pump 132 sequentially passes the raw materials in the heating tank 110 through the connecting pipe 133, the conduit 134, and the connecting pipe 135 into the heating tank 110, so that the raw materials mixed at the bottom are repeatedly transported to the top, and the mixing efficiency and sufficiency of the raw materials are further improved. When it is necessary, the materials in the heating tank 110 are transported to the cooling tank 140 When the temperature of the mixed viscosity-enhancing and anti-scaling integrated auxiliary agent is reduced, the heating tank 110 produces a new viscosity-enhancing and anti-scaling integrated auxiliary agent, thereby improving the efficiency of the mixed production of the viscosity-enhancing and anti-scaling integrated auxiliary agent. The motor 141 is started, and the motor 141 drives the rotating shaft 142 and the stirring plate 143 to rotate, thereby stirring the viscosity-enhancing and anti-scaling integrated auxiliary agent in the cooling tank 140, thereby improving the viscosity-enhancing and anti-scaling integrated auxiliary agent. In order to improve the efficiency of heat dissipation of the integrated thickening and scale inhibition additive, the heat absorbing plate 151 and the heat dissipating fins 152 are used in combination to dissipate heat for the integrated thickening and scale inhibition additive, so as to further improve the efficiency of heat dissipation of the integrated thickening and scale inhibition additive, the circulation pump 162 is started, and the circulation pump 162 transports the integrated thickening and scale inhibition additive to the cooling tank 140 through the connecting pipe 163, the conduit 164, the conduit 164 and the connecting pipe 1 133 in sequence, so that the integrated thickening and scale inhibition additive can dissipate heat sufficiently and evenly, and when discharge is required, the discharge valve 146 is opened, and the integrated thickening and scale inhibition additive is discharged through the discharge pipe 145.

[0029] It should be noted that the specific models and specifications of motor 1 111, electric heating plate 121, circulating pump 1 132, motor 2 141, circulating pump 2 162, one-way solenoid valve 214 and motor 3 221 need to be selected and determined according to the actual specifications of the device, etc. The specific selection and calculation method adopts the existing technology in the field, so it will not be described in detail.

[0030] The power supply and principles of motor 1 111 , electric heating plate 121 , circulating pump 1 132 , motor 2 141 , circulating pump 2 162 , one-way solenoid valve 214 and motor 3 221 are clear to those skilled in the art and will not be described in detail herein.

[0031] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A stirring device for producing an integrated viscosity increasing and scale inhibiting additive, characterized in that: The invention comprises a stirring assembly (100) and a feeding structure (200) installed on the top of the stirring assembly (100), wherein the stirring assembly (100) comprises a heating tank (110) and a cooling tank (140), wherein a motor (111) is installed on the top of the heating tank (110), wherein a rotating shaft (112) is installed on the output shaft of the motor (111), wherein stirring plates (113) are installed on both sides of the rotating shaft (112), wherein a plurality of flow holes (114) are opened on one side of the stirring plates (113), wherein a heating element (120) is installed on the heating tank (110), wherein the heating element (120) comprises an electric heating plate (121) and a heat preservation shell (112). 122), the electric heating plate (121) and the heat preservation shell (122) are respectively installed inside and outside the heating tank (110), a circulation part (130) is installed at the bottom of the heating tank (110), the circulation part (130) includes a protective shell (131), a circulation pump (132) is installed inside the protective shell (131), the output end of the circulation pump (132) is connected to a conduit (134), one end of the conduit (134) is installed with a connecting pipe (135), the two ends of the connecting pipe (135) are respectively connected to one side of the heating tank (110) and the cooling tank (140), the connecting pipe (135) ) is provided with valve one (136) and valve two (165), a motor two (141) is installed on the top of the cooling tank (140), the output shaft of the motor two (141) is installed with a rotating shaft two (142), stirring plates two (143) are provided on both sides of the rotating shaft two (142), a plurality of flow holes two (144) are opened on one side of the stirring plate two (143), a cooling element (150) is installed outside the cooling tank (140), the cooling element (150) includes a heat absorbing plate (151) and a heat dissipating fin (152), the heat absorbing plate (151) is fixed on the outside of the cooling tank (140), and the heat dissipating fin (152) is provided A circulation component 2 (160) is installed at the bottom of the cooling tank (140) outside the heat absorbing plate (151), and the circulation component 2 (160) includes a protective shell 2 (161). A circulation pump 2 (162) is installed inside the protective shell 2 (161). The output end of the circulation pump 2 (162) is connected to a conduit 2 (164), and one end of the conduit 2 (164) is connected to the connecting pipe (135). The feeding structure (200) includes a feeding tank (210) and a stirring component (220). The feeding tank (210) is installed on the top of the heating tank (110), and the stirring component (220) is installed on the feeding tank (210).

2. A stirring device for producing an integrated viscosity-increasing and scale-inhibiting additive according to claim 1, characterized in that: A liquid level gauge (115) is provided on the front of the heating tank (110) and the cooling tank (140), and a feed hopper (116) is fixed on the top of the heating tank (110) and the cooling tank (140), and a threaded cover (117) is threadedly installed on the top of the feed hopper (116).

3. A stirring device for producing a viscosity-increasing and scale-inhibiting integrated additive according to claim 1, characterized in that: Support legs (118) are fixed to the bottom of the heating tank (110) and the cooling tank (140), and a bottom plate (119) is fixed to the bottom of the support legs (118).

4. A stirring device for producing a viscosity-increasing and scale-inhibiting integrated additive according to claim 1, characterized in that: A discharge pipe (145) is fixed at the bottom of the cooling tank (140), and a discharge valve (146) is installed on one side of the discharge pipe (145).

5. A stirring device for producing a viscosity-increasing and scale-inhibiting integrated additive according to claim 4, characterized in that: The input end of the circulation pump 1 (132) is connected to a connecting pipe 1 (133), one end of which is connected to the bottom of the heating tank (110); the input end of the circulation pump 2 (162) is connected to a connecting pipe 2 (163), one end of which is connected to one side of the discharge pipe (145).

6. A stirring device for producing a viscosity-increasing and scale-inhibiting integrated additive according to claim 1, characterized in that: A second liquid level gauge (211) is provided on the front of the feeding tank (210), a second threaded cover (212) is threadedly connected to the top of the feeding tank (210), a feeding pipe (213) is installed at the bottom of the feeding tank (210), and a one-way solenoid valve (214) is installed at the bottom of the feeding pipe (213).

7. The stirring device for producing a viscosity-increasing and scale-inhibiting integrated additive according to claim 1, characterized in that: The stirring member (220) comprises a motor three (221), the motor three (221) is installed on the top of the feeding tank (210), and the output shaft of the motor three (221) is installed with a stirring frame (222).

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