Airflow mixer with spraying function

Abstract

The utility model discloses an airflow mixer with a spraying function, which comprises a tank body, a dust removal device, a spraying device and an airflow mixing device, a feeding component is arranged at the top of the tank body and communicated with an inner cavity of the tank body, and the dust removal device communicated with the inner cavity of the tank body is arranged at the top of the tank body and communicated with the inner cavity of the tank body. The spraying device is arranged at the top of an inner cavity of the tank body and extends out of the tank body to be communicated with the liquid adding pipe, and the airflow mixing device is arranged at the bottom of the inner cavity of the tank body and extends out of the tank body to be communicated with compressed air inlet. The utility model provides the airflow mixer with the spraying function, which has the advantages that the working efficiency is high, liquid can be fully diffused in gaps of material particles and is in uniform contact with the materials, and the pressure and the particle size of the liquid are adjustable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of mixing equipment, more particularly to a pneumatic mixer with spraying function. BACKGROUND

[0002] The mixer is a mechanical device that uses mechanical force and gravity to uniformly mix two or more materials. During the mixing process, the material contact surface area can be increased to promote chemical reactions and accelerate physical changes. Common mixers are divided into four categories: gas and low viscosity liquid mixers, medium and high viscosity liquid and paste mixers, and powder and granular solid material mixers.

[0003] The existing pneumatic mixer uses compressed air as the driving force. The nozzle sprays gas into the mixing chamber, and the material forms a fluidized mixing state under the action of the gas flow. The advantage is that it avoids the complex mechanical transmission and the risk of material contamination compared to mechanical mixing equipment. The pneumatic mixer is suitable for mixing heat-sensitive and fragile materials and is widely used in food, pharmaceutical, chemical, and electronic substrate industries.

[0004] When the material in the prior art needs to be mixed with liquid, the liquid is usually added from the top of the equipment. Due to the fluidity of the liquid, the material at the bottom and some areas of the mixing equipment cannot fully contact the liquid, and the material is prone to clumping, resulting in uneven mixing. SUMMARY

[0005] To solve the above problems, the utility model provides a pneumatic mixer with spraying function, which has high working efficiency, the liquid can fully diffuse in the gap between the material particles and uniformly contact the material, and the pressure and liquid particle size are adjustable.

[0006] According to one aspect of the utility model, the pneumatic mixer with spraying function includes a tank body, a dust removal device, a spraying device, and a pneumatic mixing device. The top of the tank body is provided with a feeding assembly, and the feeding assembly is in communication with the internal cavity of the tank body. The dust removal device is arranged on the top of the tank body and communicates with the internal cavity of the tank body. The spraying device is arranged on the top of the internal cavity of the tank body. The spraying device extends out of the tank body and communicates with the liquid addition pipe. The pneumatic mixing device is arranged at the bottom of the internal cavity of the tank body, and the pneumatic mixing device extends out of the tank body and communicates with the compressed air inlet. The spraying device forms a fluidized mixing state with compressed air. The material is suspended and moves violently under the action of the gas flow. At this time, the liquid can fully diffuse in the gap between the material particles and uniformly contact the material.

[0007] In some embodiments, the spraying device communicates with the liquid addition pipe through a first chuck. The liquid addition pipe connected to the spraying device facilitates the mixing of the liquid and the material.

[0008] In some embodiments, the spraying device comprises a liquid filling pneumatic ball valve, an outer sleeve, an inner sleeve, a connecting part and a spraying nozzle, the outer sleeve and the inner sleeve are in communication with each other, the outer sleeve is arranged outside the tank body, the inner sleeve is arranged inside the tank body, the end of the outer sleeve is provided with the liquid filling pneumatic ball valve, the liquid filling pneumatic ball valve is in communication with the liquid filling pipe through the first chuck, and the bottom of the inner sleeve is connected with the spraying nozzle through the connecting part. The spraying nozzle sprays the stage liquid, and at the same time, under the action of the material gas flow, the material particles continuously roll and collide, the surface is continuously updated, the contact opportunity with the spraying liquid is increased, the impact force of the gas flow enables the spraying liquid to better penetrate the material layer, ensures that the liquid is fully mixed with the material, improves the uniformity of the mixing, and prevents the material from being mixed into a clump.

[0009] In some embodiments, the spraying nozzle sprays the spraying particle size of 5-15 μm. By setting the spraying particle size of the spraying nozzle, the mixing effect can be optimized and adjusted according to different material characteristics and mixing requirements, so that more uniform mixing effect can be achieved.

[0010] In some embodiments, the dust removal device comprises a dust remover, a pneumatic ball valve, a blowing pipe, a first pulse electromagnetic valve, a gas pocket and a filter element, the bottom end of the dust remover is connected with the top of the tank body through the second chuck, the top of the dust remover is provided with the pneumatic ball valve, the bottom of the pneumatic ball valve is connected with the blowing pipe, the first pulse electromagnetic valve is arranged on the blowing pipe, the first pulse electromagnetic valve is connected with the gas pocket, the gas pocket is connected with an external gas source, and the filter element is detachably arranged inside the dust remover. The discharged gas is filtered by the dust removal device.

[0011] In some embodiments, the gas flow mixing device comprises a gas injection assembly, an air inlet ring pipe and a second pulse electromagnetic valve, the air inlet of the gas injection assembly is in communication with the air inlet ring pipe, the bottom of the gas injection assembly is connected with the connecting pipe through the second pulse electromagnetic valve, the air inlet ring pipe is arranged at the bottom outside of the tank body, and the gas injection assembly is arranged at the bottom of the tank body. The gas flow mixing device enables the gas flow to act on the material uniformly from multiple directions to form omnidirectional disturbance.

[0012] In some embodiments, the gas injection assembly comprises a conical cavity, a nozzle, a gas cylinder and a connecting pipe, one end of the connecting pipe is in communication with the air inlet ring pipe, the other end of the connecting pipe is connected with the nozzle, the gas cylinder is arranged at the end of the nozzle and controls the opening and closing of the nozzle, the front end of the nozzle extends into the conical cavity, the nozzle, the gas cylinder and the connecting pipe are provided with multiple groups, and the nozzles are uniformly distributed along the inner wall of the conical cavity. The uniform distribution of the gas flow enables the material in the mixing container to be in a uniform motion state as a whole, avoiding the accumulation or static state of the local material, thereby ensuring the uniform distribution of the spraying liquid in the entire material system.

[0013] In some embodiments, the bottom of the tank body is provided with a plurality of air discs and pneumatic hammers. The air discs effectively promote the downward flow of the powder and particulate material in the bin, and the pneumatic hammers prevent the powder from adhering, blocking and bridging during the conveying process.

[0014] In some embodiments, the first chuck and the second chuck are quick connect chucks. Quick connection is facilitated by the first chuck and the second chuck.

[0015] Compared with the prior art, the utility model has the advantages of high working efficiency, sufficient diffusion of liquid in the gap between material particles and uniform contact with the material, adjustable pressure and liquid particle size. The utility model forms a fluidized mixing state by the spraying device with compressed air, the material is suspended and moves violently under the action of the airflow, at this time, the liquid can be fully diffused in the gap between the material particles and uniformly contacted with the material; the liquid is mixed with the material through the liquid adding pipe connected with the spraying device; the liquid is sprayed by the spraying head, and at the same time, the material particles continuously roll and collide under the action of the material airflow, the surface is continuously renewed, the contact opportunity with the sprayed liquid is increased, the impact force of the airflow makes the sprayed liquid better penetrate the material layer, ensures that the liquid is fully mixed with the material, improves the uniformity of the mixing, and prevents the material from being mixed into clumps; the particle size of the sprayed liquid sprayed by the spraying head is set, and then the mixing requirements of different materials can be optimized and adjusted according to the characteristics of the materials, so that more uniform mixing effect is realized; the discharged gas is filtered by the dust removal device; the airflow is uniformly acted on the material from multiple directions by the airflow mixing device, and omnidirectional disturbance is formed; the airflow is uniformly distributed, so that the material is in a uniform motion state in the mixing container, and local material accumulation or static conditions are avoided, so that the sprayed liquid is uniformly distributed in the whole material system; the air disc effectively promotes the downward flow of the powder and granular material in the bin, and the pneumatic hammer prevents the powder from adhering, blocking and bridging during the conveying process. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the structure diagram of the airflow mixing machine with the spraying function of the utility model;

[0017] Figure 2 is the structure diagram of the spraying device of the airflow mixing machine with the spraying function of the utility model;

[0018] Figure 3 is the structure diagram of the dust removal device of the airflow mixing machine with the spraying function of the utility model;

[0019] Figure 4 is the structure diagram of the airflow mixing device of the airflow mixing machine with the spraying function of the utility model. DETAILED DESCRIPTION

[0020] The present application will be described in detail below with reference to the embodiments shown in the drawings, but it should be noted that these embodiments are not limiting to the present application, and equivalent transformations or substitutions of functions, methods or structures made by those skilled in the art according to these embodiments are within the protection scope of the present application.

[0021] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be mechanical connection or electrical connection, or the communication between two elements, it can be direct connection or indirect connection through intermediate medium, and those skilled in the art can understand the specific meaning of the terms according to the specific circumstances.

[0022] As shown in Figure 1 The airflow mixing machine with spraying function comprises a tank body 1, a dust removal device 2, a spraying device 3 and an airflow mixing device 4. The top of the tank body 1 is provided with a feeding assembly 5 which communicates with the internal cavity 11 of the tank body 1. The dust removal device 2 which communicates with the internal cavity 11 of the tank body 1 is arranged on the top of the tank body 1. The spraying device 3 is arranged on the top of the internal cavity 11 of the tank body 1. The spraying device 3 extends out of the tank body 1 and communicates with a liquid feeding pipe. The airflow mixing device 4 is arranged at the bottom of the internal cavity 11 of the tank body 1 and extends out of the tank body 1 and communicates with a compressed air inlet. The spraying device 3 forms a fluidized mixing state with compressed air. The material is suspended and moves violently under the action of airflow. At this time, the liquid can fully diffuse in the gap between the material particles and uniformly contact the material.

[0023] The spraying device 3 communicates with the liquid feeding pipe through the first chuck 6. The liquid feeding pipe connected with the spraying device 3 facilitates the mixing of the liquid and the material.

[0024] As shown in Figure 2 The spraying device 3 comprises a liquid feeding pneumatic ball valve 31, an outer sleeve 32, an inner sleeve 33, a connecting part 34 and a spraying nozzle 35. The outer sleeve 32 and the inner sleeve 33 communicate with each other. The outer sleeve 32 is arranged outside the tank body 1, and the inner sleeve 33 is arranged inside the tank body 1. The end of the outer sleeve 32 is provided with the liquid feeding pneumatic ball valve 31. The liquid feeding pneumatic ball valve 31 communicates with the liquid feeding pipe through the first chuck 6. The bottom of the inner sleeve 33 is connected with the spraying nozzle 35 through the connecting part 34. The liquid is sprayed through the spraying nozzle 35. At the same time, the material particles continuously tumble and collide under the action of airflow, the surface is continuously updated, the contact opportunity with the sprayed liquid is increased, the impact force of the airflow makes the sprayed liquid better penetrate the material layer, ensures the full mixing of the liquid and the material, improves the uniformity of the mixing, and prevents the material from being mixed into clumps.

[0025] The spray particle size sprayed by the spray nozzle 35 is 5-15 μm. By setting the spray particle size sprayed by the spray nozzle 35, the mixing effect can be optimized according to different material characteristics and mixing requirements, thereby achieving more uniform mixing. The spray nozzle 35 can rotate the spray.

[0026] As shown in Figure 3 The dust removal device 2 includes a dust remover 21, a pneumatic ball valve 22, a blowing pipe 23, a first pulse electromagnetic valve 24, a gas pocket 25, and a filter core 26. The bottom end of the dust remover 21 is connected to the top of the tank body 1 through the second chuck 7. The top of the dust remover 21 is provided with the pneumatic ball valve 22. The bottom of the pneumatic ball valve 22 is connected to the blowing pipe 23. The blowing pipe 23 is provided with the first pulse electromagnetic valve 24. The first pulse electromagnetic valve 24 is connected to the gas pocket 25. The gas pocket 25 is connected to an external gas source. The filter core 26 is detachably installed in the dust remover 21. The discharged gas is filtered by the dust removal device 2.

[0027] As shown in Figure 4 The gas flow mixing device 4 includes a gas injection assembly 41, an air inlet ring pipe 42, and a second pulse electromagnetic valve 43. The air inlet of the gas injection assembly 41 communicates with the air inlet ring pipe 42. The bottom of the gas injection assembly 41 communicates with a connecting pipe 44 through the second pulse electromagnetic valve 43. The air inlet ring pipe 42 is arranged at the bottom of the tank body. The gas injection assembly 41 is arranged at the bottom of the tank body. The gas flow is uniformly applied to the material from multiple directions by the gas flow mixing device 4, forming a full-range disturbance. After the mixing is completed, the second pulse electromagnetic valve 43 is opened, and the material is discharged from the connecting pipe 44.

[0028] The gas injection assembly 41 includes a conical cavity 411, a nozzle 412, a gas cylinder 413, and a connecting pipe 414. One end of the connecting pipe 414 communicates with the air inlet ring pipe 42. The other end of the connecting pipe 414 is connected to the nozzle 412. The gas cylinder 413 is arranged at the end of the nozzle 412 and controls the opening and closing of the nozzle 412. The front end of the nozzle 412 extends into the conical cavity 411. The nozzle 412, the gas cylinder 413, and the connecting pipe 414 are provided with multiple groups. The nozzles 412 are uniformly distributed along the inner wall of the conical cavity 411. The uniform distribution of the gas flow makes the material in the mixing container move uniformly as a whole, avoiding the accumulation or static state of local material, thereby ensuring the uniform distribution of the spray liquid in the entire material system. It should be noted that the conical cavity 411 is smooth and has no dead angle. The inner wall is mirror polished and integrally formed by welding.

[0029] The bottom of the tank body 1 is provided with a plurality of air discs 8 and pneumatic hammers 9. The air discs 8 effectively promote the downward flow of powder and particulate material in the silo. The pneumatic hammers 9 prevent the powder from adhering, clogging, and bridging during the conveying process.

[0030] The first chuck 6 and the second chuck 7 are quick connection chucks. The first chuck 6 and the second chuck 7 facilitate quick connection.

[0031] In use: the utility model top is equipped with feed valve, the mixed powder falls into the mixing machine chamber by the feed valve of top by self weight, the end of feeding waits state, compressed air is filtered, cooled, dried, pressurized and enters the gas storage tank, the gas of gas storage tank is through air pipe, solenoid valve group, inlet ring pipe 42, mixed spray head device bottom pulse mode and is rushed into the mixing machine cavity, utilize the thrust of compressed air, make the material in chamber roll over, collide constantly, can be mixed fully in very short time, while mixing, the external metering pump extracts liquid from the liquid storage tank, through the reciprocating motion of piston, a certain volume of liquid is sent to the atomizing spray head of mixing machine top from the liquid storage tank, the atomizing spray head disperses liquid into small mist droplets by pressure, forms spray, at this time, the material particles in the mixing machine under the action of mixing nozzle, material suspension and violent movement, atomizing nozzle sprays small mist droplets, liquid diffuses fully in the gap of moving particles, and uniformly contacts with material, realizes more uniform mixing effect.

[0032] Compared with prior art, the special designed spray head device utilizes compressed air / inert gas, forms fluidized mixing state with material along with compressed air, realizes rapid mixing of material in volume by pulse blowing and pause interval;

[0033] Simple structure, no moving parts, stirring unit, no concave round hole and internal corner residue, all are closed system, suitable for food, pharmaceutical industry, meet the GMP requirements;

[0034] Traditional mixing equipment adds liquid unevenly, in the stirring process, the material at the bottom and part of the area cannot fully contact the spray, resulting in local liquid content being too high or too low, and even material agglomeration.

[0035] The above only describes some embodiments of the utility model, and it should be pointed out that for ordinary skilled persons in the art, other deformations and improvements can be made without departing from the creative concept of the utility model, and these all belong to the protection scope of the utility model.

Claims

1. An air flow mixer with a spraying function, characterized by, The application relates to a dust removal and air flow mixing device for a spray tank. The spray device is communicated with the liquid feeding pipe through a first chuck.

2. The air flow mixer with a spraying function according to claim 1, characterized by, The spray device comprises a liquid feeding pneumatic ball valve, an outer sleeve, an inner sleeve, a connecting part and a spray nozzle, the outer sleeve and the inner sleeve are communicated with each other, the outer sleeve is arranged outside the tank, the inner sleeve is arranged inside the tank, the end of the outer sleeve is provided with the liquid feeding pneumatic ball valve, the liquid feeding pneumatic ball valve is communicated with the liquid feeding pipe through the first chuck, and the bottom of the inner sleeve is connected with the spray nozzle through the connecting part.

3. The air flow mixer with a spraying function according to claim 2, characterized in that, The spray nozzle sprays mist with a particle size of 5-15 mu m.

4. The air flow mixer with a spraying function according to claim 3, characterized in that, The dust removal device comprises a dust remover, a pneumatic ball valve, a blowing pipe, a first pulse electromagnetic valve, a gas pocket and a filter core, the bottom end of the dust remover is connected with the top of the tank through a second chuck, the top of the dust remover is provided with the pneumatic ball valve, the bottom of the pneumatic ball valve is connected with the blowing pipe, the blowing pipe is provided with the first pulse electromagnetic valve, the first pulse electromagnetic valve is connected with the gas pocket, the gas pocket is connected with an external air source, and the filter core is detachably arranged inside the dust remover.

5. The air flow mixer with a spraying function according to claim 2, wherein The air flow mixing device comprises a jetting assembly, an air inlet ring pipe and a second pulse electromagnetic valve, the air inlet of the jetting assembly is communicated with the air inlet ring pipe, the bottom of the jetting assembly is communicated with a connecting pipe through the second pulse electromagnetic valve, the air inlet ring pipe is arranged at the bottom outside the tank, and the jetting assembly is arranged at the bottom of the tank.

6. The air flow mixer with a spraying function according to claim 5, wherein The jetting assembly comprises a conical cavity, a nozzle, a cylinder and a connecting pipe, one end of the connecting pipe is communicated with the air inlet ring pipe, the other end of the connecting pipe is connected with the nozzle, the cylinder is arranged at the end of the nozzle and controls the opening and closing of the nozzle, the front end of the nozzle extends into the conical cavity, the nozzle, the cylinder and the connecting pipe are provided with multiple groups, and the nozzles are uniformly distributed along the inner wall of the conical cavity.

7. The airflow mixing machine with a spraying function according to claim 6, characterized by, The bottom of the tank is provided with a plurality of air discs and air hammers.

8. The air flow mixer with a spraying function according to any one of claims 1 to 7, characterized in that, The first chuck and the second chuck are quick connecting chucks.

9. The air flow mixer with a spraying function according to claim 5, wherein ​

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