CN219688787U

CN219688787U - Discharging device

Info

Publication number: CN219688787U
Application number: CN202320909278.5U
Authority: CN
Inventors: 许开华; 金健; 闫国真; 王浩岩
Original assignee: GEM Wuxi Energy Materials Co Ltd
Current assignee: GEM Wuxi Energy Materials Co Ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-09-15
Anticipated expiration: 2033-04-20

Abstract

The utility model relates to the technical field of blanking, and discloses a blanking device, which comprises: cyclone, discharging pipe, branch pipe and integrated machine, discharging pipe and cyclone's bottom intercommunication are equipped with first valve and second valve on the discharging pipe, and first valve and second valve interval set up, and first valve setting is being close to the link of discharging pipe and cyclone, and the second valve setting is being close to the bottom of discharging pipe, is located between first valve and the second valve in the discharging pipe and forms the stock chamber, and the material through cyclone separation can get into the stock intracavity. The branch pipe is communicated with the material storage cavity. The dust collector is communicated with the branch pipe, and is suitable for extracting air in the stock cavity through the branch pipe. According to the utility model, the dust collector is used for extracting air in the storage cavity, so that negative pressure is formed in the storage cavity, materials are pressed down, the upward extruded air in the storage cavity is prevented from obstructing the materials at the outlet of the cyclone separator to fall, and the cyclone separator is prevented from being blocked.

Description

Discharging device

Technical Field

The utility model relates to the technical field of blanking, in particular to a blanking device.

Background

Blanking refers to the process of removing a certain shape, quantity or mass of material from the whole or whole batch of material after determining the shape, quantity or mass of material required to make a certain device or product.

In the prior art, with the development of the cathode material industry, the particle size of the product tends to be smaller and smaller, and the smaller the particle size of the product is, the poorer the flow-through property is. In the lithium battery industry, after the materials are crushed, the materials are generally brought into a cyclone separator through air flow, in the cyclone separator, the materials are thrown to the wall under the action of centrifugal force, once the materials are in contact with the wall, the materials lose inertia force, the momentum near the wall, which is the downward axial velocity, falls along the wall surface, enters the next working procedure through a discharging pipeline, and the gas enters a catcher through an exhaust pipe for recycling. In order to prevent the air flow from flowing in with the materials, the discharging pipeline is usually provided with two valves, and the air flow is blocked by a staggered opening mode. However, in the production process, when the upper valve is opened, the lower valve is closed, and materials begin to enter between the two valves, air existing between the two valves is upwards extruded, the upwards extruded air can obstruct the materials from falling down, the materials are accumulated at the outlet of the cyclone separator, and the cyclone separator is blocked.

Disclosure of Invention

In view of the above, the utility model provides a blanking device to solve the problem that the cyclone separator is blocked due to accumulation of materials at the outlet of the cyclone separator.

The utility model provides a blanking device, which comprises:

a cyclone separator;

the discharging pipe is communicated with the bottom of the cyclone separator, a first valve and a second valve are arranged on the discharging pipe at intervals, the first valve is arranged close to the connecting end of the discharging pipe and the cyclone separator, the second valve is arranged close to the bottom end of the discharging pipe, and a material storage cavity is formed in the discharging pipe and between the first valve and the second valve;

the branch pipe is communicated with the stock cavity;

and the dust collector is communicated with the branch pipe and is suitable for extracting the air in the storage cavity through the branch pipe.

Air in the storage cavity is extracted through the dust collector, negative pressure is formed in the storage cavity, materials are pressed downwards, upward extrusion of air in the storage cavity is prevented from obstructing the falling of materials at the outlet of the cyclone separator, and the blockage of the cyclone separator is avoided.

In an alternative embodiment, the dust collector further comprises a filter, wherein the filter is arranged on the branch pipe and is positioned between the storage cavity and the dust collector.

The air extracted by the dust collector is filtered by the filter, so that materials are prevented from entering the dust collector, and the dust collector is blocked or even damaged.

In an alternative embodiment, the compressed air duct has a wind force value greater than that of the dust collector in the first valve closed, the second valve open, and the dust collector open states.

The compressed air pipeline is aligned to the filter to blow air towards the discharging pipe, so that materials attached to the filter enter the storage cavity, the filter is cleaned, the filter is prevented from being blocked, and meanwhile, the materials in the storage cavity are discharged in an accelerating mode.

The dust collector is guaranteed to be opened, materials adsorbed on the filter can be blown into the storage cavity by the compressed air pipeline, the filter is prevented from being blocked, the materials in the storage cavity are discharged in an accelerating mode, the dust collector can be opened for a long time, and the dust collector is not required to be opened and closed according to the opening and closing of the first valve and the second valve.

In an alternative embodiment, the connection end of the branch pipe and the storage cavity is arranged close to the first valve.

Through setting up the branch pipe near first valve with stock chamber link, prevent that the branch pipe from inhaling the material of stock chamber bottom storage in the branch pipe, cause the filter to block up.

In an alternative embodiment, the tapping pipe is arranged vertically.

The falling speed of the materials in the material storage cavity is improved under the action of gravity, so that the materials are prevented from being blocked at the outlet of the cyclone separator.

In an alternative embodiment, the device further comprises a feed bin and a pulverizer, wherein the feed bin is communicated with the pulverizer through a blanking pipe, the pulverizer is communicated with the cyclone separator through a conveying pipe, and an air flow from the pulverizer to the cyclone separator is arranged in the conveying pipe.

The material is crushed in the crusher through discharging in the discharging pipe of the bin, and the crushed material enters the cyclone separator from the conveying pipe to be separated, so that the separated material enters the discharging pipe.

In an alternative embodiment, the cyclone separator further comprises a catcher, wherein the catcher is communicated with an air outlet of the cyclone separator through an exhaust pipe.

The air blown out from the cyclone separator is filtered by the catcher, so that clean air is discharged from the cyclone separator.

In an alternative embodiment, the device further comprises a fan, and the air outlet of the catcher is communicated with the fan through an air outlet pipe.

And conveying out the air in the air outlet pipe through a fan.

In an alternative embodiment, the device further comprises an airflow recovery pipe, and two ends of the airflow recovery pipe are respectively communicated with the pulverizer and the fan.

Air in the air outlet pipe is conveyed to the air flow recovery pipe through the fan, and is conveyed to the conveying pipe through the air flow recovery pipe, so that air flow recycling is formed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a blanking device according to an embodiment of the present utility model;

fig. 2 is an enlarged schematic view of the connection of the cyclone separator, blowback filter and dust collector of fig. 1.

Reference numerals illustrate:

1. a storage bin; 2. discharging pipes; 3. a pulverizer; 4. a delivery tube; 5. a cyclone separator; 6. a branch pipe; 8. a dust collector; 9. an exhaust pipe; 10. a catcher; 11. a blower; 12. a first valve; 13. a second valve; 14. a discharge pipe; 15. a filter; 16. compression ventilation duct.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiments of the present utility model are described below in conjunction with fig. 1-2.

In the related art, with the development of the cathode material industry, the particle size of the product tends to be smaller and smaller, and the smaller the particle size of the product is, the poorer the flow-through property is. In the lithium battery industry, after the materials are crushed, the materials are generally brought into a cyclone separator through air flow, in the cyclone separator, the materials are thrown to the wall under the action of centrifugal force, once the materials are in contact with the wall, the materials lose inertia force, the momentum near the wall, which is the downward axial velocity, falls along the wall surface, enters the next working procedure through a discharging pipeline, and the gas enters a catcher through an exhaust pipe for recycling. In order to prevent the air flow from flowing in with the materials, the discharging pipeline is usually provided with two valves, and the air flow is blocked by a staggered opening mode. However, in the production process, when the upper valve is opened, the lower valve is closed, and materials begin to enter between the two valves, air existing between the two valves is upwards extruded, the upwards extruded air can obstruct the materials from falling down, the materials are accumulated at the outlet of the cyclone separator, and the cyclone separator is blocked.

According to an embodiment of the present utility model, there is provided a discharging device including: cyclone 5, discharging pipe 14, branch pipe 6 and integrated machine, discharging pipe 14 and cyclone 5's bottom intercommunication are equipped with first valve 12 and second valve 13 on the discharging pipe 14, and first valve 12 and second valve 13 interval set up, and first valve 12 sets up the link that is close to discharging pipe 14 and cyclone 5, and second valve 13 sets up the bottom that is close to discharging pipe 14, is located between first valve 12 and the second valve 13 in the discharging pipe 14 and forms the stock chamber, and the material that separates through cyclone 5 can get into the stock intracavity. The branch pipe 6 is communicated with the storage cavity. The dust collector 8 communicates with the branch pipe 6, and the dust collector 8 is adapted to suck air in the stock chamber through the branch pipe 6.

According to the blanking device, under the condition that the first valve 12 is opened and the second valve 13 is closed, materials separated by the cyclone separator 5 enter a material storage cavity of the discharging pipe 14 from the first valve 12, the dust collector 8 pumps air extruded upwards in the material storage cavity out of the branch pipe 6 through the branch pipe 6, negative pressure is formed in the material storage cavity, the materials are pressed downwards, the upward extruded air in the material storage cavity is prevented from obstructing the falling of the materials at the outlet of the cyclone separator 5, and the blockage of the cyclone separator 5 is avoided.

Specifically, as shown in fig. 2, the dust collector further comprises a filter 15, the filter 15 is arranged on the branch pipe 6, the filter 15 is arranged between the storage cavity and the dust collector 8, when the dust collector 8 extracts air in the storage cavity through the branch pipe 6, the extracted air can be filtered through the filter 15 in the branch pipe 6 in advance, so that materials are prevented from entering the dust collector, and the dust collector is blocked or even damaged.

Specifically, as shown in fig. 2, the dust collector 8 further includes a compressed air pipe 16, the compressed air pipe 16 is provided to the branch pipe 6, and the compressed air pipe 16 is provided between the filter 15 and the dust collector 8. In the state that the first valve 12 is closed and the second valve 13 is opened, the compression ventilation pipeline 16 is aligned with the filter 15 to blow air towards the discharge pipe 14, so that the filtered material on the filter 15 enters the storage cavity, the filter 15 is cleaned, the filter 15 is prevented from being blocked, and meanwhile, the material in the storage cavity is discharged in an accelerating mode. The compression ventilation pipe 16 may be provided with a solenoid valve, and the opening and closing of the compression ventilation pipe 16 may be controlled by the solenoid valve.

Specifically, as shown in fig. 2, in the state that the first valve 12 is closed, the second valve 13 is opened, and the dust collector 8 is opened, the wind force value of the compressed air pipe 16 is greater than the wind force value of the dust collector 8, so that the material adsorbed on the filter 15 can be blown into the storage cavity by the compressed air pipe 16 in the state that the dust collector 8 is opened, the filter 15 is prevented from being blocked, the material in the storage cavity is discharged in an accelerated manner, the dust collector 8 can be opened for a long time, and the opening and closing of the dust collector 8 do not need to be controlled according to the opening and closing of the first valve 12 and the second valve 13. Wherein, the filter 15 and the compression ventilation pipeline 16 can be back-blowing filters 15, the back-blowing filters 15 are arranged on the branch pipes 6, and the back-blowing filters 15 are arranged between the material storage cavity and the dust collector 8.

Specifically, as shown in fig. 2, the connection end of the branch pipe 6 and the storage cavity is close to the first valve 12, so as to prevent the branch pipe 6 from sucking the material stored at the bottom of the storage cavity into the branch pipe 6, and thus the filter 15 is blocked.

Specifically, as shown in fig. 2, the discharging pipe 14 is vertically arranged, and the descending speed of the material in the material storage cavity is improved under the action of gravity, so as to prevent the material from being blocked at the outlet of the cyclone separator 5.

Specifically, as shown in fig. 1, the device further comprises a storage bin 1 and a pulverizer 3, wherein the storage bin 1 is communicated with the pulverizer 3 through a blanking pipe 2, the pulverizer 3 is communicated with a cyclone separator 5 through a conveying pipe 4, and air flow from the pulverizer 3 to the cyclone separator 5 is arranged in the conveying pipe 4. The material is fed into the blanking pipe 2 through the feed bin 1 to enter the pulverizer 3 for pulverization, and the pulverized material enters the cyclone separator 5 from the conveying pipe 4 for separation, so that the separated material enters the discharging pipe 14.

Specifically, as shown in fig. 1, the cyclone separator further comprises a catcher 10, wherein the catcher 10 is connected with an air outlet of the cyclone separator 5 through an exhaust pipe 9, so that air blown out from the cyclone separator 5 is filtered through the catcher 10, and clean air is discharged from the cyclone separator 5.

Specifically, as shown in fig. 1, the air-conditioning device further comprises a fan 11, wherein the air outlet of the catcher 10 is communicated with the fan 11 through an air outlet pipe, and air in the air outlet pipe is conveyed out through the fan 11.

Specifically, the air flow recycling device further comprises an air flow recycling pipe, two ends of the air flow recycling pipe are respectively communicated with the pulverizer 3 and the fan 11, air in an air outlet pipe is conveyed to the air flow recycling pipe through the fan 11, and the air is conveyed to the conveying pipe 4 through the air flow recycling pipe to form air flow recycling.

The working principle of the blanking device in the embodiment is as follows:

as shown in fig. 1, materials enter a blanking pipe 2 from a storage bin 1, the materials enter a pulverizer 3 through the blanking pipe 2 to be pulverized, the pulverized materials enter a cyclone separator 5 from a conveying pipe 4 to be separated, under the condition that a first valve 12 is opened and a second valve 13 is closed, the materials separated by the cyclone separator 5 enter a storage cavity of a discharging pipe 14 from the first valve 12, and a dust collector 8 pumps air extruded upwards in the storage cavity out of the branch pipe 6 through the branch pipe 6, so that negative pressure is formed in the storage cavity, the materials are pressed downwards, and the upward extruded air in the storage cavity is prevented from obstructing the falling of the materials at the outlet of the cyclone separator 5, so that the cyclone separator 5 is prevented from being blocked. In the state that the first valve 12 is closed and the second valve 13 is started, the compressed air pipeline 16 is opened at the moment, the wind force value of the compressed air pipeline 16 is larger than that of the dust collector 8, the fact that the materials adsorbed on the filter 15 can be blown into the storage cavity by the compressed air pipeline 16 in the state that the dust collector 8 is opened is guaranteed, the filter 15 is prevented from being blocked, and the materials in the storage cavity are discharged in an accelerating mode.

Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Claims

1. A blanking device, characterized by comprising:

a cyclone separator (5);

the discharging pipe (14) is communicated with the bottom of the cyclone separator (5), a first valve (12) and a second valve (13) are arranged on the discharging pipe (14) at intervals, the first valve (12) is close to the connecting end of the discharging pipe (14) and the cyclone separator (5), the second valve (13) is close to the bottom end of the discharging pipe (14), and a material storage cavity is formed between the first valve (12) and the second valve (13) in the discharging pipe (14);

a branch pipe (6) communicated with the stock cavity;

and the dust collector (8) is communicated with the branch pipe (6), and is suitable for the dust collector (8) to extract the air in the storage cavity through the branch pipe (6).

2. The blanking device according to claim 1, further comprising a filter (15), said filter (15) being arranged on said branch pipe (6) and between said storage chamber and said dust collector (8).

3. The blanking device according to claim 2, characterized by further comprising a compressed air conduit (16), which compressed air conduit (16) is provided on the branch pipe (6) and between the filter (15) and the dust collector (8);

the compressed ventilation line (16) is blown against the filter (15) towards the discharge pipe (14) in the closed state of the first valve (12) and in the open state of the second valve (13).

4. A blanking apparatus according to claim 3, characterized in that the wind force value of the compressed air conduit (16) is larger than the wind force value of the dust collector (8) in the closed state of the first valve (12), in the open state of the second valve (13) and in the open state of the dust collector (8).

5. The blanking device according to claim 4, characterized in that the connection end of the branch pipe (6) and the stock cavity is arranged close to the first valve (12).

6. The blanking device according to claim 5, characterized in that the discharge pipe (14) is arranged vertically.

7. The blanking device according to any of the claims 1 to 6, further comprising a bin (1) and a pulverizer (3), wherein the bin (1) is in communication with the pulverizer (3) via a blanking pipe (2), wherein the pulverizer (3) is in communication with the cyclone (5) via a conveying pipe (4), wherein an air flow from the pulverizer (3) towards the cyclone (5) is provided in the conveying pipe (4).

8. The blanking device according to claim 7, characterized in that it further comprises a catcher (10), said catcher (10) being in communication with the air outlet of the cyclone separator (5) via an exhaust pipe (9).

9. The blanking device of claim 8, further comprising a blower (11), wherein an air outlet of the catcher (10) is in communication with the blower (11) via an air outlet duct.

10. The blanking device according to claim 9, further comprising an air flow recovery pipe, both ends of which are respectively in communication with the pulverizer (3) and the fan (11).