CN219024126U

CN219024126U - Coal additive raw material mixing device

Info

Publication number: CN219024126U
Application number: CN202223456875.1U
Authority: CN
Inventors: 王少青; 韩柱; 刘欣; 王茜茜; 曲振华
Original assignee: Shandong Yiwancheng Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Shandong Yiwancheng Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-16
Anticipated expiration: 2032-12-23

Abstract

The utility model provides a coal additive raw material mixing device, and relates to the technical field of coal additive preparation. Comprises a mixing bin, wherein the upper part of the mixing bin is communicated with an upper feeding mechanism, and the lower part of the mixing bin is communicated with a lower feeding mechanism. When in actual use, the upper feeding mechanism and the lower feeding mechanism with opposite blowing directions and the composite feeding pipe with a plurality of sub feeding pipes integrated in the lower feeding mechanism can realize uniform mixing of various powder materials, and the mixed powder materials can directly fall to the next working procedure from the mixing bin. Therefore, the utility model solves the problems that the traditional manual mixing mode is difficult to meet the requirement of mass production and use and the mixing effect of the existing powder mixer is not ideal.

Description

Coal additive raw material mixing device

Technical Field

The utility model relates to the technical field of coal additive preparation, in particular to a coal additive raw material mixing device.

Background

The coal additive can improve the oxidation speed of coal and enable the coal to burn fully, most of the coal additive is dark red paste or powder, so that the powdery raw materials need to be mixed in the preparation process of the coal additive.

The more traditional operation mode is artifical compounding, but this mode consumes the human cost higher and work efficiency is low, is not fit for using widely on a large scale. Therefore, some coal additive manufacturers use powder blendors, and the powder blendors in the market can be roughly classified into three types of drum type, vertical type and horizontal type; although the appearance and the processing posture are not very the same, the actual working principle of the three powder blendors is generally consistent, namely, the raw materials are mixed by stirring of the spiral stirring blade; however, a common powder mixer based on the working principle often shows that the raw materials are difficult to fully and uniformly mix or cannot be finely mixed in actual use, and the problems of long mixing time, low efficiency, more discharge residues and the like exist.

Disclosure of Invention

The utility model aims to provide a coal additive raw material mixing device, which solves the problems that the traditional manual mixing mode is difficult to meet the requirement of mass production and use and the mixing effect of the traditional powder mixer is not ideal.

The utility model is realized by adopting the following technical scheme:

the utility model provides a coal additive raw materials mixing arrangement, includes the blending bunker, and feeding mechanism is gone up in the upper portion intercommunication of blending bunker, and feeding mechanism under the lower part intercommunication of blending bunker. When in actual use, the upper feeding mechanism and the lower feeding mechanism can simultaneously feed materials to the mixing bin from two opposite directions, so that different raw materials are uniformly mixed in the mixing bin and directly discharged to the next working procedure.

Further, the upper feeding mechanism comprises a spiral feeder, the spiral feeder is communicated with an upper feeding pipe, one end of the upper feeding pipe is communicated with a first fan, the other end of the upper feeding pipe extends into the upper part of the mixing bin, and the end of the upper feeding pipe is communicated with the guide piece. In the upper feeding mechanism, the feeding speed of the spiral feeder is regulated, and powder can be fed into the upper feeding pipe; powder in the upper feeding pipe can be blown away and blown into the mixing bin through the first fan; the flow guiding piece can play a role in guiding flow, so that air flow blown out by the fan brings powder into the mixing bin in an outward divergent mode, and therefore, the full mixing of the powder fed by the upper feeding mechanism and the powder fed by the lower feeding mechanism is facilitated, and the fully mixed powder falls to the next working procedure from the periphery of the lower feeding mechanism.

Further, lower feeding mechanism includes N screw feeder, and screw feeder intercommunication compound unloading pipe, compound unloading pipe one end intercommunication fan two, compound unloading pipe other end stretches into the blending bunker lower part. In the lower feeding mechanism, the feeding speed of the spiral feeder is regulated, and powder can be fed into the composite lower feeding pipe; powder in the composite discharging and feeding pipe can be blown away and blown into the mixing bin through the second fan; because the blowing directions of the upper feeding mechanism and the lower feeding mechanism are opposite, the two parts of powder materials can be fully mixed in the area between the upper feeding mechanism and the lower feeding mechanism.

Further, the composite blanking pipe comprises N sub blanking pipes, the N sub blanking pipes are concentric but different in diameter, and each sub blanking pipe is communicated with a spiral feeder. The raw material components for the coal additive are more than two, so that a lower feeding mechanism is required to be capable of conveying various powder materials simultaneously; the N sub-feeding pipes are concentric but have different diameters, namely, a plurality of lower feeding channels are integrated on the basis of the composite feeding pipe, and each sub-feeding pipe is communicated with a spiral feeder, namely, the sub-feeding pipes are not interfered with each other; the second air blower is used for blowing, and the feeding speed of each spiral feeder is adjusted in a matched mode, so that various powder materials in the lower feeding mechanism can be fed into the mixing bin in proportion.

Further, light dust-proof plates are arranged in the N sub-feeding pipes, and the light dust-proof plates are located below the communication positions of the sub-feeding pipes and the spiral feeder. The effect of light dust guard is dustproof to fan two to avoid the interior remaining powder whereabouts of unloading pipe (namely each son unloading pipe) to fan two, thereby prevent that fan two cleanliness and life from receiving the influence.

Further, the light dustproof plate is a circular ring formed by a plurality of fan-shaped rings or a circular ring formed by a plurality of fan-shaped rings, and the side surface of the light dustproof plate is connected with the inner wall of the sub-feeding pipe through a connecting sheet. When the device does not work, the second fan stops running, and the light dust-proof plate is in a natural state under the action of no external force, so that the falling of residual powder can be blocked (because the weight of the residual powder is relatively light, the residual powder is in the bearable range of the light dust-proof plate); when the fan II starts to run, the blown air can blow up the light dust-proof plate, so that the feeding is not influenced; if the side surface of the light dust-proof plate is directly fixed on the inner wall of the sub-feeding pipe, the light dust-proof plate is difficult to blow up under the action of wind power, so that the light dust-proof plate is in a movable state through the transition of the connecting sheet.

Further, the guide piece comprises a blanking pipe, the lower end of the blanking pipe is communicated with a hollow funnel, and a solid cone is arranged in the hollow funnel. In order to lead the flow guiding piece to play an ideal flow guiding role, a solid cone is arranged in the hollow funnel, and the solid cone can lead the air flow blown by the fan to take the powder to be outwards dispersed and enter the mixing bin through the shape of the solid cone.

The beneficial effects achieved by the utility model are as follows:

a coal additive raw material mixing device can realize uniform mixing of various powder materials through an upper feeding mechanism, a lower feeding mechanism and a composite feeding pipe with a plurality of sub feeding pipes integrated in the lower feeding mechanism, wherein the blowing directions of the upper feeding mechanism and the lower feeding mechanism are opposite, and the mixed powder materials can directly fall from a mixing bin to the next working procedure; compared with the traditional manual mixing or powder mixer, the device does not need excessive manual operation, can realize uniform mixing of powder, and has high mixing efficiency and no residue in discharging.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic perspective view of a deflector in the mixing device according to the present utility model;

in the figure: 1. a mixing bin; 2. a screw feeder; 3. feeding a material pipe; 4. a first fan; 5. a composite blanking pipe; 6. a second fan; 7. feeding pipes at the innermost layer; 8. feeding pipes for middle layer materials; 9. an outermost layer blanking pipe; 10. a light dust-proof plate; 11. a connecting plate; 12. a flow guide; 12-1, blanking pipe; 12-2, a hollow funnel; 12-3, a solid cone; 12-4, connecting rods.

Detailed Description

For clarity of explanation of the solution of the present utility model, the following will be further explained with reference to the accompanying drawings:

example 1

Referring to fig. 1, a coal additive raw material mixing device comprises a mixing bin 1, wherein the upper part of the mixing bin 1 is a cylinder, and the lower part of the mixing bin is a cone; the upper part of the mixing bin 1 is communicated with an upper feeding mechanism, and the lower part of the mixing bin 1 is communicated with a lower feeding mechanism. Wherein, the liquid crystal display device comprises a liquid crystal display device,

the upper feeding mechanism comprises a spiral feeder 2, the spiral feeder 2 is communicated with an L-shaped upper feeding pipe 3, one end of the upper feeding pipe 3 is communicated with a fan I4, the other end of the upper feeding pipe 3 extends into the upper part of the mixing bin 1, and the end is connected with a guide piece 12;

the lower feeding mechanism comprises a composite lower feeding pipe 5, one end of the composite lower feeding pipe 5 is communicated with a second fan 6, and the other end of the composite lower feeding pipe 5 extends into the lower part of the mixing bin 1; the length of the composite lower feeding pipe 5 is larger than that of the upper feeding pipe 3 (the length difference is based on the fact that the time length of the same-power fan air flow passing through the two feeding pipes is consistent), and the diameter of the composite lower feeding pipe 5 is consistent with the maximum diameter of the guide piece 12 at the bottom of the upper feeding pipe 3; the composite blanking pipe 5 is formed by compounding 3 concentric sub-blanking pipes with different diameters (the sub-blanking pipes can be divided into an innermost sub-blanking pipe 7, an intermediate sub-blanking pipe 8 and an outermost sub-blanking pipe 9 according to the diameter), and each sub-blanking pipe is connected with a spiral feeder 2;

the light dustproof plates 10 are arranged in the 3 sub-feeding pipes, the light dustproof plates 10 in the innermost sub-feeding pipe 7 are 4 congruent sectors, and the light dustproof plates 10 in the middle layer and the outermost sub-feeding pipe 9 are 4 congruent sector rings; the 3 light dustproof plates 10 are all positioned below the communication positions of the corresponding sub-feeding pipes and the spiral feeder 2, and the side surfaces of the light dustproof plates 10 are all connected with the inner walls of the corresponding sub-feeding pipes through annular connecting sheets;

the guide piece 12 comprises a blanking pipe 12-1, the lower end of the blanking pipe 12-1 is communicated with a hollow funnel 12-2, and a solid cone 12-3 is arranged in the hollow funnel 12-2;

the first fan 4 and the second fan 6 are respectively controlled by respective start-stop switches, but are powered by the same power supply, and the shape and blowing range of the second fan 6 are larger than those of the first fan 4.

The working principle and working process of the embodiment are as follows:

when in actual use, the upper feeding mechanism and the lower feeding mechanism of the device can blow materials to the mixing bin 1 from two opposite directions at the same time, so that different powder materials are uniformly mixed in the mixing bin 1 and are directly discharged to the next procedure. Specifically, when in use, the feeding speed of each spiral feeder 2 is adjusted in a state of no feeding; then the spiral feeder 2 is fed, and the power supplies of the first fan 4 and the second fan 6 are turned on (the starting switches of the first fan 4 and the second fan 6 are turned on in advance) so as to ensure that the two fans can blow simultaneously; under the action of the first fan 4 and the

second fan

6, 1 powder in the upper feeding pipe 3 enters the mixing bin 1 in an outward divergent mode through the guide piece 12 and is evenly mixed with 3 powder blown out of the composite lower feeding pipe 5 in a convection area (namely an area between the upper feeding pipe 3 and the composite lower feeding pipe 5), and the mixed powder can directly fall from the periphery of the convection area to the next working procedure. After the material mixing is finished, the spiral feeder 2 is closed, so that the first fan 4 and the second fan 6 blow the residual powder in the spiral feeder 2 to the material mixing bin 1; and then the first fan 4 and the second fan 6 are closed, the light dust-proof plate 10 which loses the external force effect in the composite discharging pipe 5 returns to a natural state, and a small amount of residual powder in the pipe can be prevented from falling to the second fan 6.

In summary, in this embodiment, through the upper feeding mechanism and the lower feeding mechanism with opposite blowing directions, and the composite feeding pipe 5 with the plurality of sub feeding pipes integrated in the lower feeding mechanism, uniform mixing of multiple powder materials can be achieved, and the mixed powder materials can directly fall from the mixing bin 1 to the next process, so that the limitations of the traditional manual mixing mode and the existing powder mixer are overcome, and the mixing process of other powder materials can be expanded.

Of course, the foregoing is merely preferred embodiments of the present utility model and is not to be construed as limiting the scope of the embodiments of the present utility model. The present utility model is not limited to the above examples, and those skilled in the art will appreciate that the present utility model is capable of equally varying and improving within the spirit and scope of the present utility model.

Claims

1. The utility model provides a coal additive raw materials mixing arrangement which characterized in that: the device comprises a mixing bin (1), wherein the upper part of the mixing bin (1) is communicated with an upper feeding mechanism, and the lower part of the mixing bin (1) is communicated with a lower feeding mechanism;

the upper feeding mechanism comprises a screw feeder (2), the screw feeder (2) is communicated with an upper feeding pipe (3), one end of the upper feeding pipe (3) is communicated with a first fan (4), the other end of the upper feeding pipe (3) extends into the upper part of the mixing bin (1), and the end is communicated with a guide piece (12);

the lower feeding mechanism comprises N spiral feeders (2), the spiral feeders (2) are communicated with a composite lower feeding pipe (5), one end of the composite lower feeding pipe (5) is communicated with a fan II (6), and the other end of the composite lower feeding pipe (5) extends into the lower part of the mixing bin (1).

2. The coal additive raw material mixing device of claim 1, wherein: the composite blanking pipe (5) comprises N sub blanking pipes, the N sub blanking pipes are concentric but different in diameter, and each sub blanking pipe is communicated with a spiral feeder (2).

3. The coal additive raw material mixing device according to claim 2, characterized in that: light dust-proof plates (10) are arranged in the N sub-feeding pipes, and the light dust-proof plates (10) are positioned below the communication positions of the sub-feeding pipes and the spiral feeder (2).

4. The coal additive raw material mixing apparatus according to claim 3, wherein: the light dustproof plate (10) is in a circular shape formed by a plurality of sectors or a circular shape formed by a plurality of sector rings, and the side surface of the light dustproof plate (10) is connected with the inner wall of the sub-feeding pipe through a connecting sheet.

5. The coal additive raw material mixing device of claim 1, wherein: the guide piece (12) comprises a blanking pipe (12-1), the lower end of the blanking pipe (12-1) is communicated with a hollow funnel (12-2), and a solid cone (12-3) is arranged in the hollow funnel (12-2).