CN219002389U

CN219002389U - Explosion-proof dust collector special for lithium battery industry

Info

Publication number: CN219002389U
Application number: CN202222605922.8U
Authority: CN
Inventors: 马春敏
Original assignee: Suzhou Beijie Environmental Protection Equipment Co ltd
Current assignee: Suzhou Beijie Environmental Protection Equipment Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-05-12
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses an explosion-proof dust collector special for the lithium battery industry, which comprises a body, a cone hopper and an ash collecting barrel which are sequentially arranged, wherein an air inlet and an air outlet are respectively arranged at two sides of the body, a filter cylinder is arranged at the position, close to the air inlet, of the body, a blowing device is arranged above the filter cylinder, and the blowing device comprises a pressure air inlet, an air storage tank and a first spray head; one side of the filter cylinder is provided with a temperature sensor and a explosion release sheet, and the top of the body is provided with an oxygen concentration detector and an explosion-proof electromagnetic pulse valve; the device comprises an inert powder spraying device, a first feeding and second controlling pipeline and a second spray head, wherein the inert powder spraying device comprises a material barrel, a first feeding and second controlling pipeline and a second spray head; comprises a differential pressure transmitter, wherein two ends of the differential pressure transmitter are respectively connected with the position of the air inlet and the position of the air outlet. The utility model has stable performance, miniaturization, convenient use and maintenance, high dust removal efficiency and excellent explosion-proof performance, and can effectively ensure the cleanliness of workshop air.

Description

Explosion-proof dust collector special for lithium battery industry

Technical Field

The utility model relates to the field of dust collecting equipment, in particular to an explosion-proof dust collector special for the lithium battery industry.

Background

Dry dust collectors generally include: gravity settling chamber, inertial dust collector, electrostatic precipitator, sack cleaner, cyclone dust collector. The working principle is as follows: the dust-containing gas enters the filtering chamber from the lower open flange, coarser particles directly fall into the ash bin, the dust-containing gas is filtered by the filtering bag, dust is blocked on the surface of the bag, and clean gas is discharged into the atmosphere from the fan from the bag opening to the clean gas chamber. When the dust on the surface of the filter bag is continuously increased, the program control instrument starts to work, the pulse valves are opened one by one, compressed air is blown to clean the filter bag through the nozzles, the filter bag is suddenly expanded, the dust endowed to the surface of the filter bag is rapidly separated from the filter bag and falls into the dust bin under the action of reverse airflow, and the dust is discharged by the dust discharging valve.

The existing dust remover has various products, the equipment is too simple, most of the dust remover is non-explosion-proof, explosion-proof measures are not configured or are not configured uniformly, great potential safety hazards exist, and unified equipment for dust treatment in the lithium battery industry does not exist.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the special explosion-proof dust collector for the lithium battery industry, which has stable performance, miniaturization, convenient use and maintenance, high dust removal efficiency and excellent explosion-proof performance, and can effectively ensure the cleanliness of workshop air.

In order to solve the technical problems, the utility model provides an explosion-proof dust collector special for the lithium battery industry, which comprises a body, a cone hopper and an ash collecting barrel which are sequentially arranged, wherein an air inlet and an air outlet are respectively arranged on two sides of the body, a filter cylinder is arranged at the position, close to the air inlet, of the body, and a blowing device is arranged above the filter cylinder and comprises a pressure air inlet, an air storage tank and a first spray head; one side of the filter cylinder is provided with a temperature sensor and a explosion release sheet, the top of the body is provided with an oxygen concentration detector and an explosion-proof electromagnetic pulse valve, and the explosion-proof electromagnetic pulse valve is connected with the air storage tank; the device comprises an inert powder spraying device, a first feeding and second controlling pipeline and a second spray head, wherein the inert powder spraying device comprises a material barrel, a first feeding and second controlling pipeline and a second spray head; comprises a differential pressure transmitter, wherein two ends of the differential pressure transmitter are respectively connected with the position of the air inlet and the position of the air outlet.

Further, a maintenance door is arranged on the body, and a platform and a guardrail are arranged at the outer side of the body and close to the maintenance door.

Further, a rotary valve is arranged between the cone hopper and the ash collecting barrel, and a limit switch is arranged on the rotary valve.

Further, a cleaning interface is arranged on the cone bucket.

Further, an explosion-proof electromagnetic pulse valve is connected with the air storage tank.

Further, calcium carbonate is adopted in the material barrel.

The utility model has the beneficial effects that: 1. the dust collector is provided with the inert powder spraying device, so that dust is prevented from adhering to the surface of the filter cylinder, the surface of the filter cylinder is not easy to clean, a fire disaster is easy to occur, the inert powder spraying device can also reduce the oxygen concentration in the dust collector, the inerting effect is achieved, and the dust collector body is prevented from explosion;

2. the body is provided with a explosion venting sheet, a temperature sensor and an oxygen concentration detector, dust explosion is easy to be caused if the oxygen concentration in the system equipment is too high, the temperature sensor detects the temperature of the system, and when the temperature exceeds 70 ℃, an alarm is automatically started; when the pressure in the dust remover body exceeds a certain value, the explosion venting sheet can automatically break, so that more serious explosion accidents are prevented;

3. the filter cylinder adopts a side-pumping mode, so that the height space is greatly saved, and the applicability of the equipment is stronger.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a side view of the overall structure of the present utility model.

The reference numerals in the figures illustrate: 1. a body; 2. a cone bucket; 3. an ash collecting barrel; 4. an air inlet; 5. an air outlet; 6. a filter cartridge; 7. a pressurized air inlet; 8. a gas storage tank; 10. a temperature sensor; 11. explosion venting sheets; 12. an oxygen concentration detector; 13. an explosion-proof electromagnetic pulse valve; 14. a material barrel; 15. one-inlet two-control pipeline; 16. a second nozzle; 17. a differential pressure transmitter; 18. maintaining the door; 19. a platform; 20. guard bars; 21. a rotary valve; 22. a limit switch; 23. the interface is cleaned.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 2, an embodiment of an explosion-proof dust collector special for lithium battery industry of the present utility model includes a main body 1, a cone 2 and an ash collecting barrel 3 which are sequentially arranged, wherein two sides of the main body 1 are respectively provided with an air inlet 4 and an air outlet 5, a filter cartridge 6 is arranged at a position of the main body 1 close to the air inlet 4, a blowing device is arranged above the filter cartridge 6, and the blowing device includes a pressure air inlet 7, an air storage tank 8 and a first nozzle; a temperature sensor 10 and a explosion release sheet 11 are arranged on one side of the filter cartridge 6, and an oxygen concentration detector 12 and an explosion-proof electromagnetic pulse valve 13 are arranged on the top of the body 1; comprises an inert powder spraying device, wherein the inert powder spraying device adopts a material barrel 14, a one-inlet two-control pipeline 15 and a second spray head 16; comprises a differential pressure transmitter 17, and two ends of the differential pressure transmitter are respectively connected with the inner part of the pipeline of the air inlet 4 and the pipeline of the air outlet 5.

When in use, dust-containing gas enters the filter cartridge 6 from the air inlet 4, coarser particles directly fall into the ash collecting barrel 3 at the bottom, then the dust-containing gas is filtered by the filter cartridge 6, dust is blocked in the filter cartridge 6, and purified air is discharged from the air outlet 5; the explosion venting sheet 11, the temperature sensor 10 and the oxygen concentration detector 12 are arranged on the body 1, dust explosion is easy to be caused if the oxygen concentration in the system equipment is too high, the temperature sensor 10 detects the temperature of the system, and when the temperature exceeds 70 ℃, an alarm is automatically started; when the pressure in the dust remover body 1 exceeds a certain value, the explosion venting sheet 11 is automatically broken, so that more serious explosion accidents are prevented;

the inert powder spraying device prevents dust from adhering to the surface of the filter cylinder 6, is not easy to clean and is easy to generate fire, and the inerting device can also reduce the oxygen concentration in the dust collector, achieves inerting effect and prevents the dust collector body 1 from explosion.

The filter cylinder 6 adopts a side-pumping mode, so that the height space is greatly saved, and the applicability of the equipment is stronger.

The differential pressure transmitter 17 is used for detecting the differential pressure between the front and the rear of the filter cartridge 6, monitoring whether the filter cartridge 6 is in a blocking state, setting the blowing differential pressure value by using a PLC or a secondary meter, and outputting a relay signal to control the blowing device to clean ash.

The air storage tank 8 is used for storing compressed air, regulating air load, removing moisture, dust and impurities in the air and the like, reducing the temperature in an air path and the mechanical load, and when the filter cylinder 6 accumulates enough dust to influence the subsequent use, the compressed air in the air storage tank 8 is used for blowing the dust on the filter cylinder 6 into the dust collection barrel 3 through the first nozzle.

The maintenance door 18 is arranged on the body 1, and a platform 19 and a guardrail 20 are arranged on the outer side of the body 1 and close to the maintenance door 18 for subsequent maintenance of staff.

A rotary valve 21 is arranged between the cone bucket 2 and the ash collecting barrel 3, and a limit switch 22 is arranged on the rotary valve 21, so that the working state of the rotary valve 21 can be monitored in real time.

The cone hopper 2 is provided with a cleaning interface 23, and when dust is accumulated at the lower cone hopper 2, air is compressed and blown in through a cleaning structure to blow off the dust.

The explosion-proof electromagnetic pulse valve 13 is connected with the air storage tank 8.

The material used in the material bowl 14 is calcium carbonate.

The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.

Claims

1. The explosion-proof dust collector special for the lithium battery industry is characterized by comprising a body, a cone bucket and an ash collecting barrel which are sequentially arranged, wherein an air inlet and an air outlet are respectively formed in two sides of the body, a filter cylinder is arranged at a position, close to the air inlet, of the body, a blowing device is arranged above the filter cylinder, and the blowing device comprises a pressure air inlet, an air storage tank and a first spray head;

one side of the filter cylinder is provided with a temperature sensor and a explosion release sheet, the top of the body is provided with an oxygen concentration detector and an explosion-proof electromagnetic pulse valve, and the explosion-proof electromagnetic pulse valve is connected with the air storage tank;

the device comprises an inert powder spraying device, a first feeding and second controlling pipeline and a second spray head, wherein the inert powder spraying device comprises a material barrel, a first feeding and second controlling pipeline and a second spray head;

the device comprises a differential pressure transmitter, wherein two ends of the differential pressure transmitter are respectively connected with the air inlet position and the air outlet position.

2. The explosion-proof dust collector special for lithium battery industry as set forth in claim 1, wherein a maintenance door is provided on the main body, and a platform and a guardrail are provided on the outer side of the main body near the maintenance door.

3. The explosion-proof dust collector special for lithium battery industry as set forth in claim 1, wherein a rotary valve is arranged between the cone hopper and the ash collecting barrel, and a limit switch is arranged on the rotary valve.

4. The explosion-proof dust collector special for lithium battery industry as set forth in claim 1, wherein a cleaning interface is provided on the cone.

5. The explosion-proof dust collector special for lithium battery industry as set forth in claim 1, wherein calcium carbonate is adopted in the material barrel.