CN216756015U

CN216756015U - Powder mixing equipment

Info

Publication number: CN216756015U
Application number: CN202220176975.XU
Authority: CN
Inventors: 刘温来; 李勇; 杜明花
Original assignee: Shandong Tianyin Biotechnology Co ltd
Current assignee: Shandong Tianyin Biotechnology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-17
Anticipated expiration: 2032-01-21

Abstract

A powder mixing device belongs to the field of mixing devices. The method is characterized in that: the powder temporary storage device comprises a mixed air pipe (2), a cyclone collector (6), at least one venturi feeder (1) and at least two powder temporary storage boxes (4), wherein a discharge port of each powder temporary storage box (4) is connected with a feed port of the venturi feeder (1), the venturi feeder (1) is arranged at the front part of the mixed air pipe (2), the rear end of the mixed air pipe (2) is connected with the cyclone collector (6), and the cyclone collector (6) is connected with an air inlet of a fan (8). The utility model mixes the powder by using the flowing air flow and feeds by using the Venturi feeder. Various powders are blown by airflow in the mixing air pipe, the powders are quickly stirred and mixed to form a fluidized state, and different powders can ensure sufficient mixing. And the mixing process is continuously carried out, feeding and discharging are carried out at the same time, and the mixing efficiency is high.

Description

Powder mixing equipment

Technical Field

A powder mixing device belongs to the field of mixing devices.

Background

In industries such as industry, agriculture, building industry and the like, more than two kinds of powder need to be uniformly mixed in many scenes. Most of the existing powder mixing devices adopt a stirring mode, and multiple kinds of powder are stirred together in a tank body to be uniformly mixed. However, in the stirring mode, dead angles easily exist in the tank due to poor flowability of the powder, and after the stirring is finished, the powder is not uniformly mixed, and the powder is layered. This has a major adverse effect on subsequent production applications.

Patent CN202121510319.0 filed by zhejiang changtang calcium industry ltd discloses a powder mixing device, which comprises a primary mixing device, a flow dividing device and a secondary mixing device which are sequentially communicated from top to bottom, wherein the bottom of the secondary mixing device is communicated with a material receiving box, a vacuum feeding device is arranged between the bottom of the material receiving box and the top of the primary mixing device, a feeding pipeline is arranged at the upper part of the primary mixing device, and a discharging pipeline is arranged at the lower part of the secondary mixing device; the materials are put into the first-stage mixing device from the feeding pipeline, then enter the second-stage mixing device through the flow dividing device, then enter the material receiving box, the vacuum feeding device is opened, the materials in the material receiving box flow back into the first-stage mixing device, then the next mixing cycle is carried out,until it reaches Target requirementAnd then discharge the material from the discharging pipeline, the utility model claims to have the characteristics of totally closed, low noise, low energy consumption, high mixing, is the ideal equipment that realizes the powder homogeneous mixing. In fact, the mixing mode has the problems of uneven mixing, obvious layering and the like in the mixing and shunting processes due to different weight and flowability of the powder, so that repeated operation is needed for achieving an ideal effect, or equipment is increased, and the material transportation cost is greatly increased.

Therefore, a powder mixing device with low operation cost and uniform powder mixing is still lacked at present.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: overcomes the defects of the prior art and provides the powder mixing equipment with low operation cost and uniform powder mixing.

The technical scheme adopted by the utility model for solving the technical problems is as follows: this powder mixing apparatus, its characterized in that: the powder temporary storage box comprises a mixing air pipe, a cyclone collector, at least one venturi feeder and at least two powder temporary storage boxes, wherein a discharge port of each powder temporary storage box is connected with a feed port of the venturi feeder, the venturi feeder is arranged at the front part of the mixing air pipe, the rear end of the mixing air pipe is connected with the cyclone collector, and the cyclone collector is connected with an air inlet of a fan.

The utility model utilizes the flowing air flow powder to mix and utilizes the Venturi feeder to feed. Various powders are blown by airflow in the mixing air pipe, and are quickly stirred and mixed to form a fluidized state, so that the various powders can be fully mixed. The mixing process is continuously carried out, feeding and discharging are carried out at the same time, and the mixing efficiency is high; the materials are collected by the cyclone collector, and the mixed materials can be conveniently stored or bagged.

Preferably, the inner wall of the mixed air pipe is provided with a spiral guide plate. The spiral guide plate is arranged on the mixed air pipe, so that the materials in the mixed air pipe spirally advance, the tumble is more violent, and the uniform mixing can be completed in the shorter mixed air pipe.

Preferably, the air inlet of the mixing air pipe is provided with an air filter screen. The air intake of mixing the tuber pipe sets up air strainer, filters the air inlet, the effectual entering of avoiding impurity.

Preferably, the inner wall of the mixing air pipe is provided with a turbulent flow plate. The turbulent flow plate can ensure that the air flow does not run too smoothly to form turbulent flow, can intensify air flow churning and can complete uniform mixing in a shorter mixing air pipe.

Preferably, the lengths and the angles of the adjacent turbulent flow plates are different. The turbulent flow plates with different lengths and angles can further increase turbulent flow and intensify air flow churning.

Preferably, the powder temporary storage box is arranged at the high position of the Venturi feeder. The powder temporary storage box is arranged at the high position of the Venturi feeder, and the suction force of the Venturi feeder is combined to realize the automatic flow feeding without additionally increasing a powder conveying power device.

Preferably, the discharge port of each powder temporary storage box is connected to the same venturi feeder feed inlet. Mixing can be carried out while feeding.

Preferably, the air outlet of the cyclone collector is connected with a cyclone dust collector, and the air outlet of the cyclone dust collector is connected with the air inlet of the fan. The cyclone dust collector is additionally arranged to further collect mixed powder in the air flow, so that material waste is effectively avoided.

Preferably, a pneumatic valve is arranged on a pipeline of the powder temporary storage box connected with the Venturi feeder. The starting and stopping of powder feeding can be powerfully and automatically controlled by utilizing the pneumatic valve control.

Preferably, the powder temporary storage box is connected with a back-blowing quick connector which is connected with a pressure air source is arranged on a pipeline of the venturi feeder. Powder accumulation easily occurs to the falling pipeline of powder, so that the blanking is not smooth, the pressure gas can be utilized for back flushing, and the smooth feeding is kept.

Compared with the prior art, the powder mixing equipment has the beneficial effects that: the utility model mixes two kinds of powder by using flowing air flow and feeds by using a Venturi feeder. The two kinds of powder are blown by airflow in the mixing air pipe, and are quickly stirred and mixed to form a fluidized state, so that the two or more kinds of powder can be fully mixed. The spiral guide plate or the turbulent flow plate is arranged on the mixing air pipe, so that the materials in the mixing air pipe are more violently tumbled, and uniform mixing can be completed in the shorter mixing air pipe. The mixing process of the utility model is continuously carried out, and the materials are fed and discharged at the same time, so that the mixing efficiency is high; the materials are collected by the cyclone collector, and the mixed materials can be conveniently stored or bagged. The utility model has the advantages of uniform powder mixing, no layering and low power requirement.

Drawings

Fig. 1 is a schematic diagram of a powder mixing apparatus according to the present invention.

Fig. 2 is a schematic diagram of another powder mixing apparatus according to the present invention.

Wherein, the device comprises a Venturi feeder 1, a Venturi feeder 2, a mixed air pipe 3, a spiral guide plate 4, a powder temporary storage box 5, an air filter screen 6, a cyclone collector 7, a cyclone dust collector 8, a fan 9 and a turbulent flow plate.

Detailed Description

Fig. 1 shows a preferred embodiment of the present invention, and the present invention will be further described with reference to fig. 1 and 2.

Referring to figure 1: a powder mixing apparatus is characterized in that: the device comprises a Venturi feeder 1, a mixed air pipe 2, a cyclone collector 6, a cyclone dust collector 7 and two powder temporary storage boxes 4, wherein discharge ports of the two powder temporary storage boxes 4 are connected with a feed port of the same Venturi feeder 1, and the powder temporary storage boxes 4 are arranged at the high position of the Venturi feeder 1 to realize self-flowing feeding; a pneumatic valve is arranged on a pipeline of the powder temporary storage box 4 connected with the Venturi feeder 1 to realize automatic opening and closing; the powder temporary storage box 4 is connected with a back-blowing quick connector on a pipeline of the Venturi feeder 1, the back-blowing quick connector is connected with a pressure air source, and the problem of pipeline blockage is solved by back-blowing of the pressure air. The Venturi feeder 1 is arranged at the front part of the mixing air pipe 2, an air filter screen 5 is arranged at an air inlet of the mixing air pipe 2 and is used for filtering entering air, the mixing air pipe 2 is S-shaped and can enhance the mixing effect, at least one section of the mixing air pipe 2 is vertical, and part of powder falls back and rises to form countercurrent by utilizing gravity, so that the mixing effect can be further enhanced; the spiral guide plate 3 is arranged on the inner wall of the mixed air pipe 2, so that materials in the mixed air pipe 2 spirally advance, and uniform mixing is completed in the shorter mixed air pipe 2. The rear end of the mixed air pipe 2 is connected with a cyclone collector 6, and the mixed materials can be conveniently stored or bagged by collecting through the cyclone collector 6; the air outlet of the cyclone collector 6 is connected with a cyclone dust collector 7, so that mixed powder in airflow is further collected, and material waste is effectively avoided; the air outlet of the cyclone dust collector 7 is connected with the air inlet of the fan 8, and the fan 8 provides power for the whole system to ensure that the powder is fully mixed in a fluidized state.

Referring to FIG. 2: the basic structure is the same as that described above and shown in fig. 1, except that the discharge ports of the two powder temporary storage boxes 4 are connected to the feed ports of the respective venturi feeders 1, so that the feeding power of the powder is stronger and the feeding is smoother; turbulent flow plates 9 are arranged on the inner wall of the mixing air pipe 2, the lengths and the angles of the adjacent turbulent flow plates 9 are different, the method is more convenient to process and easy to design and manufacture, the turbulent flow plates with different lengths and angles can further increase turbulent flow, increase air flow churning and ensure mixing effect.

The working process is as follows: powder to be mixed is poured into different powder temporary storage boxes 4, a fan 8 is started, after stable airflow is formed in the mixing air pipe 2, a pneumatic valve is arranged on a starting pipeline, and the powder is fed automatically under the negative pressure condition formed by the Venturi feeder 1. The powder forms a disordered fluidization state in the mixing air pipe 2, is quickly and uniformly mixed, and is collected and stored or directly bagged at the discharge hole by using the cyclone collector 6. The cyclone dust collector 7 further collects the residual mixed powder in the airflow, and effectively avoids material waste.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims

1. A powder mixing apparatus, characterized in that: the powder temporary storage device comprises a mixed air pipe (2), a cyclone collector (6), at least one venturi feeder (1) and at least two powder temporary storage boxes (4), wherein a discharge port of each powder temporary storage box (4) is connected with a feed port of the venturi feeder (1), the venturi feeder (1) is arranged at the front part of the mixed air pipe (2), the rear end of the mixed air pipe (2) is connected with the cyclone collector (6), and the cyclone collector (6) is connected with an air inlet of a fan (8).

2. The powder mixing apparatus according to claim 1, wherein: and a spiral guide plate (3) is arranged on the inner wall of the mixed air pipe (2).

3. The powder mixing apparatus according to claim 1, wherein: and an air inlet of the mixed air pipe (2) is provided with an air filter screen (5).

4. The powder mixing apparatus according to claim 1, wherein: and a turbulent flow plate (9) is arranged on the inner wall of the mixed air pipe (2).

5. The powder mixing apparatus according to claim 4, wherein: the lengths and the angles of the adjacent turbulent flow plates (9) are different.

6. The powder mixing apparatus according to claim 1, wherein: the powder temporary storage box (4) is arranged at the high position of the Venturi feeder (1).

7. The powder mixing apparatus according to claim 1, wherein: and the discharge port of each powder temporary storage box (4) is connected to the feed port of the same Venturi feeder (1).

8. The powder mixing apparatus according to claim 1, wherein: the air outlet of the cyclone collector (6) is connected with a cyclone dust collector (7), and the air outlet of the cyclone dust collector (7) is connected with the air inlet of the fan (8).

9. The powder mixing apparatus according to claim 1, wherein: and the powder temporary storage box (4) is connected with a pneumatic valve on a pipeline of the Venturi feeder (1).

10. The powder mixing apparatus according to claim 1, wherein: the powder temporary storage box (4) is connected with a back-blowing quick connector arranged on a pipeline of the Venturi feeder (1), and the back-blowing quick connector is connected with a pressure air source.