CN219232623U

CN219232623U - Spiral powder depolymerizer

Info

Publication number: CN219232623U
Application number: CN202223354841.1U
Authority: CN
Inventors: 周友行; 谢宝安; 闫宋祥; 高腾腾; 郑晓林
Original assignee: Xiangtan University
Current assignee: Xiangtan University
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-06-23
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a spiral powder depolymerizing machine which comprises a workbench, a feeding mechanism, an air compressor, an air flowmeter, a connecting mechanism, a gas-solid pipeline, a cross cutter and a powder collecting device, wherein the feeding mechanism is provided with a vibration motor and an expansion pipe and is used for assisting feeding and preventing blocking, high-speed air flow generated by the air compressor and agglomerated powder form a gas-solid two-phase flow, the agglomerated powder is sheared through the cross cutters arranged at different angles in the gas-solid pipeline, and meanwhile, the agglomerated powder and the pipe wall are impacted to achieve secondary depolymerization, so that the depolymerization efficiency is improved. The gas-solid pipeline is formed by assembling a connecting mechanism, is easy to detach, is convenient to maintain in the later period, is powered by high-speed air flow generated by the air compressor in the aspect of power, has small energy loss, is a closed environment, and greatly avoids dust pollution caused by dust emission.

Description

Spiral powder depolymerizer

Technical Field

The utility model relates to the technical field of powder depolymerization, in particular to a spiral powder depolymerizer.

Background

The micron powder with the grain diameter of 1-100 μm can be agglomerated under the action of Van der Waals force after being dried or stored for a long time, and the use function is seriously affected. Therefore, special equipment is required to deagglomerate it and reduce it to the original particulate form.

Most of traditional particle depolymerization modes are drying knocking depolymerization methods, so that excessive crushing is easily caused to particles, the operation effect is poor, and a large amount of materials are wasted. In the current market, the existing depolymerizer adopts the centrifugal impact crushing principle, but has the defects of large volume, high equipment cost, low depolymerization efficiency and poor precision caused by the grading principle, influences the efficiency and energy consumption of the whole equipment, and is easy to cause dust pollution. Therefore, the prior art can not meet the depolymerization operation requirements of high quality, high efficiency and no pollution of the agglomerated powder.

Disclosure of Invention

In order to solve the problems, the utility model aims to provide a spiral powder depolymerizer which can effectively solve the problem of powder agglomeration and restore the original physical and chemical characteristics of powder. The depolymerization machine forms a gas-solid two-phase flow with the agglomerated powder through high-speed airflow generated by the air compressor, and the agglomerated powder is sheared by cross cutters arranged at different angles in the gas-solid pipeline, and meanwhile, the agglomerated powder can impact the wall surface of the gas-solid pipeline due to inertia, so that the effect of secondary depolymerization is achieved. Through design multichannel gas-solid pipeline and different angle installation cross cutters for the aggregate powder can deagglomerate evenly, and the powder after deagglomeration gets into powder collection bag by the discharge gate and collects. The working environment of the depolymerization pipeline is a closed environment, so that dust pollution caused by dust emission is avoided to a great extent. The high-speed air flow generated by the air compressor in the aspect of driving provides power, the energy loss is small, the depolymerization efficiency is high, and meanwhile, the gas-solid pipeline is connected by the connecting mechanism, so that the gas-solid pipeline is easy to detach and convenient for later maintenance.

The technical scheme adopted for solving the technical problems is as follows: the device comprises a workbench, six universal wheels, an air compressor, a switching elbow, an air flowmeter, a vibration motor, a feeding mechanism, an expansion pipe, a three-way pipe, an accelerating circular pipe, a connecting mechanism, a first air-solid pipeline, a second air-solid pipeline, a third air-solid pipeline, a cross cutter, a fourth air-solid pipeline, a discharging circular pipe, a powder collecting bag and a powder collecting box, wherein the lowest end of the feeding mechanism is fixedly connected with the expansion pipe, the vibration motor is arranged on the side of the expansion pipe, agglomerated powder is fed into the three-way pipe, the air compressor is in transition fit with the left end of the three-way pipe to generate high-speed airflow to provide power, the air flowmeter is installed at the same time to monitor airflow velocity, the right end of the three-way pipe is connected with the accelerating circular pipe through the connecting mechanism, one end of the first air-solid pipeline is in transition fit with the cross cutter, the other end of the second air-solid pipeline is connected with the cross cutter through the connecting mechanism, one end of the third air-solid pipeline is in transition fit with the cross cutter, the other end of the second air-solid pipeline is connected with the other end of the air-solid pipeline through the connecting mechanism, one end of the fourth air-solid pipeline is in transition fit with the cross, the other end of the third air-solid pipeline is connected with the third air-solid pipeline through the connecting mechanism, the upper end of the third air-solid pipeline is connected with the powder collecting bag through the upper end of the third air-solid pipeline, and the powder collecting bag is conveniently connected with the powder collecting bag through the lower end through the connecting mechanism.

The horizontal section of the feeding mechanism is a circle with gradually smaller area from top to bottom, the horizontal sections of the feeding port and the discharging port are eccentric circles, and the discharging port is fixedly connected with the expansion pipe.

The vibration motor is positioned at the side of the expansion pipe, and is used for assisting the stable feeding of the expansion pipe and preventing the discharge hole at the lower end of the feeding mechanism from being blocked.

The left end of the three-way pipe is in transition fit with the air compressor to generate high-speed airflow to provide power, the upper end of the three-way pipe is fixedly connected with the expansion pipe and used for conveying agglomerated powder, the right end of the three-way pipe is connected with the accelerating circular pipe through the connecting mechanism, the high-speed airflow and the agglomerated powder form a gas-solid two-phase flow to enter the accelerating circular pipe, an air flowmeter is assembled between an outlet at the upper end of the three-way pipe and an outlet at the left end of the three-way pipe and used for monitoring airflow velocity, and accordingly the pressure of the air compressor is regulated to control airflow velocity.

The cross cutters of the first gas-solid pipeline, the second gas-solid pipeline, the third gas-solid pipeline and the fourth gas-solid pipeline in transition fit are assembled in a staggered way at 45 degrees, so that the depolymerization frequency is increased, and meanwhile, the gas-solid two-phase flow formed by the agglomerated powder and the high-speed air flow can cause the agglomerated powder to impact with the pipe wall, so that secondary depolymerization is achieved, and the depolymerization efficiency of the agglomerated powder is improved.

The discharging circular tube is connected with the powder collecting bag below through a clamp, and the depolymerized powder is collected through the powder collecting bag and transported and stored by the powder collecting box.

The workbench desktop is provided with positioning holes and a supporting frame, the positioning holes are used for fixing the air compressor, the supporting frame is used for supporting the working circular tube, and the supporting frame is fixed with the connecting mechanism through bolts. The baffle and the roller are distributed at the bottom of the powder collecting box, so that the depolymerized powder can be conveniently transported.

The cross section of the powder collecting box in the horizontal direction is in a trapezoid shape which is symmetrical left and right, so that the collected powder can be conveniently packaged for the second time.

The beneficial effects of the utility model are as follows: according to the utility model, four crisscrossed cross cutters are assembled in the bent pipe, and the agglomerated powder is sheared and depolymerized by the cross cutters, and meanwhile, impact can be generated on the wall surface of the bent pipe to achieve the effect of secondary depolymerization, so that the shearing frequency is increased by a plurality of cutters, and the depolymerization efficiency is improved. The working environment of depolymerization pipeline is the enclosed environment, has avoided the raise dust to cause dust pollution to a great extent, and the pipeline is all connected by coupling mechanism simultaneously and is assembled, easy to assemble and dismantlement are favorable to the later maintenance. Compact structure, convenient operation, high depolymerization efficiency, and can meet the market development requirement.

Drawings

Fig. 1 is an isometric view of the present utility model.

Fig. 2 is a partial cross-sectional view of a working channel of the present utility model.

Fig. 3 is a left side view of the present utility model.

Fig. 4 is an enlarged view of a portion of the left side view of the present utility model.

Fig. 5 is a top view of the present utility model.

Figure 6 is an enlarged view of the cross-shaped cutter of the present utility model.

In the figure, a 1-air compressor, a 2-switching elbow, a 3-air flowmeter, a 4-vibration motor, a 5-feeding mechanism, a 6-expansion pipe, a 7-three-way pipe, an 8-accelerating round pipe, a 9-connecting mechanism, a 10-first gas-solid pipeline, a 11-second gas-solid pipeline, a 12-third gas-solid pipeline, a 13-cross cutter, a 14-fourth gas-solid pipeline, a 15-discharging round pipe, a 16-powder collecting bag, a 17-powder collecting box, 18-universal wheels and a 19-workbench.

Detailed Description

The utility model will be described in further detail with reference to the drawings and examples.

Embodiment 1, it includes workstation 19, six universal wheels 18, air compressor 1, switching return bend 2, air flowmeter 3, vibrations motor 4, feed mechanism 5, expansion pipe 6, three-way pipe 7, accelerating circular tube 8, coupling mechanism 9, first gas-solid pipeline 10, second gas-solid pipeline 11, third gas-solid pipeline 12, cross cutter 13, fourth gas-solid pipeline 14, ejection of compact circular tube 15, powder collecting bag 16, powder collecting box 17, feed mechanism 5 horizontal direction cross-section is the circle that becomes gradually smaller from top to bottom, and feed inlet and discharge gate horizontal cross-section be eccentric circle, discharge gate and expansion pipe 6 fixed connection, vibrations motor 4 are located expansion pipe 6 side, supplementary expansion pipe 6 steady pay-off, prevent feed mechanism 5 lower extreme discharge gate jam, three-way pipe 7 left end and air compressor 1 cooperate, produce high-speed air current and provide power, upper end and expansion pipe 6 fixed connection are used for carrying the agglomeration powder, and the air flowmeter 3 is assembled between three-solid pipeline 7 upper end export and the left end export for monitoring air current, and the right-hand member is connected through accelerating circular tube 6 and 8, and is formed by the cross-shaped coupling mechanism 8, and the agglomeration powder collecting bag is realized by the second gas-solid pipeline 12, the second gas-solid pipeline is realized through the cross-shaped 8, the agglomeration powder collecting bag is realized by the 13 and is realized to the solid powder collecting box is transferred through the second gas-solid pipeline 13, the transition effect of the agglomeration of the carrier flow after the 8 is realized to the two-solid pipeline is filled with the powder of the powder is filled with the powder. See fig. 1-6.

In embodiment 2, the horizontal section of the feeding mechanism 5 is a circle with gradually smaller area from top to bottom, the horizontal sections of the feeding port and the discharging port are eccentric circles, and the whole asymmetric feeding structure is more convenient for feeding. Referring to fig. 1 to 5, the rest is the same as embodiment 1.

Embodiment 3, expansion pipe 6 and feed mechanism lower extreme fixed connection, expansion pipe 6 are the cross-sectional area upper end and are less than the lower extreme, the lower extreme is less than the structure of middle-end, and cooperation expansion pipe 6 side's vibration motor 4 can carry out stable pay-off to prevent ejection of compact jam. Referring to fig. 3 and 4, the rest is the same as the above embodiment.

The left end of the three-way pipe 7 is in transition fit with the air compressor 1 to generate high-speed airflow to provide power, the upper end of the three-way pipe is fixedly connected with the expansion pipe 6 and used for conveying agglomerated powder, the right end of the three-way pipe is connected with the accelerating circular pipe 8 through the connecting mechanism 9, the high-speed airflow and the agglomerated powder form a gas-solid two-phase flow to enter the accelerating circular pipe 8, an air flowmeter 3 is assembled between an outlet at the upper end and an outlet at the left end of the three-way pipe 7 and used for monitoring airflow velocity, and accordingly the pressure of the air compressor 1 is regulated to control airflow velocity, and high-speed airflows with different flow velocities are applied according to different depolymerization requirements. Referring to fig. 1 to 5, the rest is the same as the above embodiment.

In embodiment 4, the cross cutters 13 of the first gas-solid pipeline 10, the second gas-solid pipeline 11, the third gas-solid pipeline 12 and the fourth gas-solid pipeline 14 in transition fit are assembled in a staggered way at 45 degrees, the cross cutters 13 are assembled 4 to increase the shearing frequency, meanwhile, the shearing depolymerization frequency is improved in the assembly mode of different angles, and the agglomerated powder can also impact with the pipe wall due to inertia, so that the effect of secondary depolymerization is achieved, and the depolymerization efficiency of the agglomerated powder is improved. The first gas-solid pipeline 10, the second gas-solid pipeline 11, the third gas-solid pipeline 12 and the fourth gas-solid pipeline 14 are all connected through the connecting mechanism 9, and all the components are detachable, so that the installation and the transportation as well as the later maintenance work are convenient. Referring to fig. 1 to 6, the rest is the same as the above embodiment.

In the embodiment 5, the discharging circular tube 15 is connected with the powder collecting bag 16 below through a clamp, and the depolymerized powder is collected by the powder collecting bag 16 through the discharging circular tube 15 and is transported and stored by the powder collecting box 17. Referring to fig. 1 to 5, the rest is the same as the above embodiment.

In embodiment 6, the table top of the workbench 19 is provided with positioning holes and a supporting frame, the positioning holes are used for fixing the air compressor 1, the supporting frame is used for supporting the working round tube, and the supporting frame is fixed with the connecting mechanism 9 through bolts. The baffle and the roller wheels are distributed at the bottom of the powder collecting box 17, so that the depolymerized powder can be conveniently transported, and universal wheels are arranged on the table legs of the workbench 19, so that the workbench can be conveniently transported. Referring to fig. 1 to 5, the rest is the same as the above embodiment.

According to the utility model, a gas-solid two-phase flow is formed by high-speed air flow generated by an air compressor and agglomerated powder, the agglomerated powder is sheared by the cross cutters arranged at different angles in the gas-solid pipeline, meanwhile, the agglomerated powder impacts the wall surface of the gas-solid pipeline to achieve the depolymerization effect, a plurality of gas-solid pipelines and the cross cutters arranged at different angles are designed, and the shearing depolymerization frequency is increased, so that the agglomerated powder can be depolymerized uniformly, and the depolymerized powder enters a powder collecting bag from a discharge hole to be collected. The working environment of the depolymerization pipeline is a closed environment, so that dust pollution caused by dust emission is avoided to a great extent. The high-speed air flow generated by the air compressor in the aspect of driving provides power, the energy loss is small, the depolymerization efficiency is high, and meanwhile, the gas-solid pipeline is connected by the connecting mechanism, so that the gas-solid pipeline is easy to disassemble, and the gas-solid pipeline is convenient for later maintenance and maintenance so as to meet the market development requirement.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent variation and variation made within the spirit and principles of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A spiral powder depolymerization machine is characterized in that: the device comprises a workbench (19), six universal wheels (18), an air compressor (1), a transfer bent pipe (2), an air flowmeter (3), a vibration motor (4), a feeding mechanism (5), an expansion pipe (6), a three-way pipe (7), an accelerating circular pipe (8), a connecting mechanism (9), a first gas-solid pipeline (10), a second gas-solid pipeline (11), a third gas-solid pipeline (12), a cross cutter (13), a fourth gas-solid pipeline (14), a discharging circular pipe (15), a powder collecting bag (16) and a powder collecting box (17), wherein the horizontal section of the feeding mechanism (5) is a circle with gradually reduced area from top to bottom, the horizontal section of the feeding port and the horizontal section of the discharging port are eccentric circles, the discharging port is fixedly connected with the expansion pipe (6), the vibration motor (4) is positioned at the side of the expansion pipe (6), the auxiliary expansion pipe (6) is used for stably feeding, the lower end of the feeding mechanism (5) is prevented from being blocked, the left end of the three-way pipe (7) is matched with the air compressor (1) to generate high-speed airflow to provide power, the upper end is fixedly connected with the conveying pipe (6) to be used for conveying the powder, the upper end of the three-way pipe (7) is connected with the air flowmeter (8) through the upper end (8) for monitoring the air flowmeter (9), the high-speed airflow and the agglomerated powder form a gas-solid two-phase flow which enters an accelerating circular tube (8), and after the acceleration, the gas-solid two-phase flow passes through a first gas-solid pipeline (10), a second gas-solid pipeline (11), a third gas-solid pipeline (12) and a fourth gas-solid pipeline (14) to be subjected to transition fit with the shearing of a cross-shaped cutter (13) to carry out depolymerization work, and the depolymerized powder passes through a discharging circular tube (15) and is collected by a powder collecting bag (16) below and is transported and stored by a powder collecting box (17).

2. The spiral powder deagglomerator according to claim 1, wherein: the left end of the three-way pipe (7) is in transition fit with the air compressor (1), and the upper end of the three-way pipe is fixedly connected with the expansion pipe (6) and is used for conveying agglomerated powder, so that the pressure of the air compressor (1) is regulated to control the airflow velocity.

3. The spiral powder deagglomerator according to claim 1, wherein: the cross-shaped cutters (13) in transition fit with the first gas-solid pipeline (10), the second gas-solid pipeline (11), the third gas-solid pipeline (12) and the fourth gas-solid pipeline (14) are assembled in a staggered mode at 45 degrees, and the shearing frequency of the cross-shaped cutters (13) is increased by the assembly 4.

4. The spiral powder deagglomerator according to claim 1, wherein: the expansion pipe (6) is fixedly connected with the lower end of the feeding mechanism, the expansion pipe (6) is of a structure that the upper end of the cross section area is smaller than the lower end, the lower end is smaller than the middle end, and the expansion pipe (6) is matched with the vibration motor (4) on the side of the expansion pipe (6) to ensure stable feeding and prevent discharging blockage.

5. The spiral powder deagglomerator according to claim 1, wherein: the first gas-solid pipeline (10), the second gas-solid pipeline (11), the third gas-solid pipeline (12) and the fourth gas-solid pipeline (14) are all connected in a spiral mode through the connecting mechanism (9), and the collision probability of the agglomerated powder and the cross-shaped cutter (13) is increased.

6. The spiral powder deagglomerator according to claim 1, wherein: the discharging circular tube (15) is connected with the powder collecting bag (16) below through a clamp, and the depolymerized powder is collected by the powder collecting bag (16) through the discharging circular tube (15) and is transported and stored by the powder collecting box (17).

7. The spiral powder deagglomerator according to claim 1, wherein: the horizontal section of the powder collecting box (17) is in a trapezoid shape which is symmetrical left and right, and the powder collecting bag (16) is limited and supported, so that the air flow momentum separated from the powder collecting bag (16) is consumed.

8. The spiral powder deagglomerator according to claim 1, wherein: the desktop of the workbench (19) is provided with positioning holes and a supporting frame, the positioning holes are used for fixing the air compressor (1), the supporting frame is used for supporting a working circular tube, and the supporting frame is fixed with the connecting mechanism (9) through bolts; the bottom of the powder collecting box (17) is provided with a baffle and rollers, so that the depolymerized powder can be transported conveniently.