CN114768400A - Novel pulse filter element type dust removal tank - Google Patents
Novel pulse filter element type dust removal tank Download PDFInfo
- Publication number
- CN114768400A CN114768400A CN202210570316.9A CN202210570316A CN114768400A CN 114768400 A CN114768400 A CN 114768400A CN 202210570316 A CN202210570316 A CN 202210570316A CN 114768400 A CN114768400 A CN 114768400A
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- dust
- dust removal
- tank body
- filter element
- tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/442—Auxiliary equipment or operation thereof controlling filtration by measuring the concentration of particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of dust removal equipment, in particular to a novel pulse filter element type dust removal tank which comprises a tank body; a dust removal filter cylinder and a dust removal cloth bag are arranged in the tank body; the plurality of dust removing cloth bags are positioned below the dust removing filter cylinder; the heights of the tops of the plurality of dust removing cloth bags are gradually reduced from the inner wall of the tank body to the partition plate; the clapboard is positioned in the tank body and forms a dust collection cavity with the inner wall of the tank body; a dust collecting plate is arranged above the plurality of dust collecting cloth bags; the dust collecting plates are obliquely arranged and are matched with the tops of the dust collecting cloth bags; the dust collecting cloth bag is provided with a dust inlet pipe below, the dust inlet pipe is connected with the separation cover, and the opening of the separation cover is downward. The invention adopts the technical scheme of combining primary cloth bag dust removal and secondary filter cylinder dust removal, and can form dust concentration gradient, so that the same dust removal device is suitable for the requirements of different dust removal discharge concentrations.
Description
Technical Field
The invention relates to the technical field of dust removal equipment, in particular to a novel pulse filter element type dust removal tank.
Background
Processing enterprises can generate a lot of dust in the processing and production process, and the dust can damage the environment and harm the human health if directly discharged, so that the dust needs to be in the airThe dust is filtered, and the prior art generally adopts a filter cartridge or a filter bag to filter the dust. For example, CN204768047U discloses a dust collector with filter cartridge in the field of dust collector, which comprises a dust collection box, a dust hopper is arranged at the lower side of the dust collection box, a dust inlet is arranged at the lower end side wall of the dust collection box, an air outlet is arranged at the upper end side wall, a partition plate is arranged in the dust collection box, a clean air chamber and a dust filter chamber are respectively formed above and below the partition plate in the dust collection box, a filter cartridge is vertically arranged in the dust filter chamber, the upper end opening of the filter cartridge is communicated with the clean air chamber, a guide plate is correspondingly arranged in the dust filter chamber, a nozzle is arranged in the clean air chamber corresponding to each filter cartridge, the air injection direction of the nozzle is arranged corresponding to the opening of the filter cartridge one by one, the air inlet of the nozzle is connected with the air outlet of the spray rod, the air inlet of the spray rod is connected with the air storage bag through an electromagnetic valve, the control interface of the electromagnetic valve is electrically connected with a pulse controller, the structure is compact, and the cleaning is convenient, the dust removal efficiency is high, and the environmental protection is clean, can be used to the filtration and the collection of grain transport and dust in the course of working. The industrial filter drum and the pleated filter bag can greatly increase the filter area, reduce the filter air speed and resistance and realize the filter area less than 10mg/m3Even 5mg/m3The particle emission is ultra-low. The bag-type dust collector usually adopts a needled felt structure and can realize the dust collection of more than 10mg/m3And (4) discharging. The industrial scale of China is huge, the processes are numerous, various complex process flows and operation conditions are provided, the requirement on dust removing equipment is high, the dust concentration of the discharge port of the existing dust removing equipment has no gradient, and the same dust removing device cannot meet the requirements of different dust removing discharge concentrations.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a novel pulse filter element type dust removal tank, and the discharge port of the novel pulse filter element type dust removal tank meets the requirement that the same dust removal device is suitable for different dust removal discharge concentrations.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a novel pulse filter element type dust removal tank comprises a tank body; a dust removal filter cylinder and a dust removal cloth bag are arranged in the tank body; the dust removal cloth bags are arranged below the dust removal filter cylinders; the heights of the tops of the plurality of dust removing cloth bags are gradually reduced from the inner wall of the tank body to the partition plate; the clapboard is positioned in the tank body and forms a dust collection cavity with the inner wall of the tank body; a dust collecting plate is arranged above the plurality of dust collecting cloth bags; the dust collecting plates are obliquely arranged and are matched with the tops of the dust collecting cloth bags; the dust collecting cloth bag is provided with a dust inlet pipe below, the dust inlet pipe is connected with the separating cover, and the opening of the separating cover is downward. The invention adopts the technical scheme of combining primary cloth bag dust removal and secondary filter cartridge dust removal, can form dust concentration gradient, and enables the same dust removal device to meet the requirements of different dust removal emission concentrations; the invention adopts a feeding mode with a downward opening, solves the problem that the conventional horizontal tangential feeding hole influences the bag-type dust removal, avoids horizontal tangential air inlet, prevents dust from being easily adhered to a dust removal bag, improves the dust removal effect of the dust removal bag and prolongs the service life of the dust removal bag.
Furthermore, a second-level emptying port is arranged at the top of the tank body, a first-level emptying port is arranged on the side face of the tank body, and the first-level emptying port is located above the dust collection cavity and below the dust removal filter cylinder.
Furthermore, a dust concentration tester is arranged at the feed port end, the secondary emptying port and the primary emptying port of the dust inlet pipe, the dust concentration condition of the incoming material can be analyzed through the dust concentration detection at the feed port end, the exceeding condition is pre-warned, and the mixer meeting the dust feed concentration is subjected to environment-friendly treatment; the dust concentration tester is connected with the control box, the detection result of the dust concentration is transmitted to the control box, and the control box automatically controls the working process.
Furthermore, the dust inlet pipe bends downwards in the tank body, the bottom of the dust inlet pipe is connected with the separation cover, and the separation cover is of a horn-shaped structure. The invention adopts the structure that the inlet in the dust inlet pipe tank is bent downwards and then the separation cover is added, so that the gas and the dust can be pre-separated, the dust falls and the gas rises.
Further, the dust intake pipe adopts big end of a river structure at jar external feed inlet, and the purpose slows down the powder velocity of flow, increases gravity separation, the effect of more effectual realization gas ash separation.
Furthermore, one side of the lower end of the dust collecting cavity is connected with a dust collecting and collecting pipe, and dust is conveyed to external equipment through the dust collecting and collecting pipe.
Furthermore, a perforated plate and a secondary pulse back-blowing component are arranged at the top of the dust-removing filter cylinder; the top of the dust removal cloth bag is provided with a primary pulse back-blowing component.
Furthermore, the partition plate extends downwards to the bottom of the tank body, and the dust collection cavity is divided into an upper dust collection cavity and a lower dust collection cavity by an obliquely arranged metal baffle; the side surface of the lower dust collecting cavity is provided with a standby hole; the high end side of the baffle is hinged with the baffle; the bottom of the baffle plate is supported by a spring I, the spring I is always in a compressed state, and the baffle plate is pressed upwards, so that the lower end side of the baffle plate is in close contact with the inner wall of the tank body; the baffle plate is also provided with a magnet for adsorbing the baffle plate, and the magnet is obliquely arranged and matched with the baffle plate which rotates downwards. The structure improves the flexibility of dust removal.
Furthermore, a scraping plate is arranged on the top of the upper surface of the baffle in a sliding mode, pull ropes are fixedly arranged on the front side and the rear side of the scraping plate, the pull ropes connected to the rear side of the scraping plate penetrate through the baffle and are connected with a second vertical spring, and the second spring is installed on the partition plate through a fixing seat; the pull rope connected with the front side of the baffle plate penetrates through the baffle plate and extends downwards to the standby hole. When the particulate matter on baffle surface is thoroughly cleared up to needs, adsorb the baffle on magnet, accessible stay cord pulling scraper blade downwards, the scraper blade is automatic re-setting under the effect of spring two, realizes scraper blade reciprocating motion about the baffle upper surface.
The invention has the technical effects that:
compared with the prior art, the novel pulse filter element type dust removal tank has the following advantages:
1. the invention adopts the technical scheme of combining primary cloth bag dust removal and secondary filter cartridge dust removal, can form dust concentration gradient, and enables the same dust removal device to meet the requirements of different dust removal emission concentrations;
2. the invention adopts a feeding mode with a downward opening, solves the problem that the conventional horizontal tangential feeding hole influences the bag-type dust removal, avoids horizontal tangential air inlet, prevents dust from being easily adhered to a dust removal bag, improves the dust removal effect of the dust removal bag and prolongs the service life of the dust removal bag.
Drawings
FIG. 1 is a schematic structural diagram of a novel pulse filter element type dust removal tank in embodiment 1 of the present invention;
FIG. 2 is a schematic view showing the structure of a dust collecting plate in embodiment 1 of the present invention;
FIG. 3 is a schematic view of the structure of a novel pulse filter element type dust removal tank in embodiment 2 of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 3 according to the present invention.
In the figure, a tank body 1, a dust collection filter cylinder 2, a dust collection cloth bag 3, a dust collection plate 4, a partition plate 5, a dust collection cavity 6, a dust inlet pipe 7, a separation cover 8, a dust collection collecting pipe 9, a feed valve 10, a dust concentration tester 11, a fixing frame 12, a porous plate 13, a secondary pulse back-blowing component 14, a feed inlet 15, a secondary evacuation port 16, a primary evacuation port 17, a control box 18, a safety valve 19, a pressure gauge 20, a discharge port 21, an air inlet 22, an inspection manhole 23, a primary pulse back-blowing component 24, a baffle 25, a first spring 26, a scraper 27, a pull rope 28, a second spring 29, a fixing seat 30, a spare hole 31, a magnet 32, an upper dust collection cavity 601 and a lower dust collection cavity 602.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the specification.
Example 1:
as shown in fig. 1 and 2, the novel pulse filter element type dust removing tank according to the embodiment comprises a tank body 1; the bottom of the tank body 1 is of a cone-shaped structure, and the top of the tank body is of an oval structure; the top of the tank body 1 is provided with a safety valve 19 and a pressure gauge 20, and the side surface of the bottom of the tank body 1 is provided with a discharge hole 21 and an air inlet 22; and the top, the side and the bottom of the tank body are respectively provided with an inspection manhole 23.
A dust removal filter cylinder 2 and a dust removal cloth bag 3 are sequentially arranged in the tank body 1 from top to bottom; the bottom of the dust removal cloth bag 3 is fixed on the inner wall of the tank body through a fixing frame 12; the top of the dust removing filter cylinder 2 is provided with a perforated plate 13 and a secondary pulse back-blowing component 14; the top of the dust removing cloth bag 3 is provided with a primary pulse back-blowing component 24; a dust collecting plate 4 is arranged above the primary pulse back-blowing assembly 24; the dust collecting plate 4 is obliquely arranged and is matched with the tops of the dust collecting cloth bags 3.
A plurality of dust removing cloth bags 3 are arranged and positioned below the dust removing filter cylinder 2; the heights of the tops of the plurality of dust removing cloth bags 3 are gradually reduced from the inner wall of the tank body 1 to the partition plate 5; the partition plate 5 is positioned in the tank body 1, a dust collecting cavity 6 is formed between the partition plate and the inner wall of the tank body 1, the bottom of the dust collecting cavity 6 is sealed, one side of the lower end of the dust collecting cavity 6 is connected with a dust collecting and collecting pipe 9, and dust is conveyed to external equipment through the dust collecting and collecting pipe 9.
A dust inlet pipe 7 is arranged below the dust collecting cloth bag 3, the dust inlet pipe 7 is connected with a separation cover 8, and an opening of the separation cover 8 is downward; the dust inlet pipe 7 is bent downwards in the tank body 1, the bottom of the dust inlet pipe is connected with the separation cover 8, and the separation cover 8 is of a horn-shaped structure; dust intake pipe 7 adopts big end of a river structure at the feed inlet 15 of jar body 1 outside, sets up feed valve 10 on the dust intake pipe 7, and feed valve 10 is located jar body 1 outside. The invention adopts the structure that the inlet in the dust inlet pipe 7 is bent downwards and the separating cover 8 is added, so that the gas and the dust can be pre-separated, the dust falls and the gas rises; the big and small head structures can slow down the flow velocity of powder and increase gravity separation.
A secondary emptying port 16 is arranged at the top of the tank body 1, a primary emptying port 17 is arranged on the side surface of the tank body, and the primary emptying port 17 is positioned above the dust collection cavity 6 and below the dust collection filter cylinder 2; the dust concentration tester 11 is arranged at the feed inlet end of the dust inlet pipe 7, the secondary emptying port 16 and the primary emptying port 17, the dust concentration tester 11 is connected with the control box 18, the detection result of the dust concentration is transmitted to the control box 18, and the control box 18 automatically controls the working process.
The working principle is as follows: the invention has the following working modes:
when the process requirement is more than 10mg/m3Under the condition of particulate matter emission, the device can be automatically controlled by the control box 18 and only adoptsThe first-level cloth bag dust removal filtration scheme is adopted, and the first-level emptying port 17 in the middle of the tank body 1 is used for emptying. The process requirement is low, only one-stage dust removal is needed, the dust concentration condition after the one-stage dust removal is detected, if the requirement can be met, the emptying valve and the two-stage pulse back-blowing component 14 at the upper two-stage emptying port 16 can be automatically closed through signal feedback, and the emptying is carried out through the middle one-stage emptying port 17. If the requirement cannot be met, the intermediate primary emptying port 17 needs to be automatically closed through signal feedback, the upper secondary emptying port 16 is started, and the primary pulse back blowing component 24 and the secondary pulse back blowing component 14 for primary and secondary dust removal are started.
When the process requirement is less than 10mg/m3Under the condition of particulate matter discharge, the automatic control can be realized through the control box 18, the technical scheme of primary cloth bag dust removal filtration and secondary filter drum dust removal filtration needs to be adopted, and the air is discharged through the secondary emptying port 16 at the upper part of the tank body 1. That is, for the higher process requirement, the concentration condition after the secondary emptying needs to be observed, whether the requirement is met or not, if the requirement is met, the middle primary emptying port 17 needs to be automatically closed, the upper secondary emptying port 16 is started, and the primary pulse back blowing component 24 and the secondary pulse back blowing component 14 for primary and secondary dust removal are started.
The invention adopts the technical scheme of combining the primary cloth bag dust removal and the secondary filter cylinder dust removal, and can select the primary cloth bag dust removal and/or the secondary filter cylinder dust removal according to the actual requirement, so that the same dust removal device is suitable for the requirements of different dust removal emission concentrations.
Example 2:
as shown in fig. 3 and 4, the structure of the novel pulse filter element type dust removing tank according to the present embodiment is substantially the same as that of embodiment 1, except that:
the partition plate 5 extends downwards to the bottom of the tank body 1 and is sealed with the bottom of the tank body 1, and the dust collection cavity 6 is internally divided into an upper dust collection cavity 601 and a lower dust collection cavity 602 by an obliquely arranged metal baffle plate 25; the side surface of the lower dust collecting cavity 602 is provided with a standby hole 31; the high end side of the baffle 25 is hinged with the partition plate 5, and the hinged part can be sealed selectively to prevent gas from overflowing; the bottom of the baffle 25 is supported by a first spring 26, the first spring 26 is always in a compressed state, and the baffle 25 is pressed upwards, so that the lower end side of the baffle 25 is in close contact with the inner wall of the tank body 1; the baffle plate 5 is also provided with a magnet 32 for adsorbing the baffle plate 25, and the magnet 32 is obliquely arranged and matched with the baffle plate 25 which rotates downwards. Due to the structural arrangement, on one hand, the flexibility of dust removal is improved, once the dust collection and collection pipe 9 is blocked, the baffle 25 can be pulled downwards by opening the standby hole 31 and is adsorbed and fixed by the magnet 32, the standby hole 31 can be connected with an external dust collection pipeline, and particulate matters are discharged to the external dust collection pipeline after being discharged to the lower dust collection cavity 602; on the other hand, when the upper dust collecting chamber 601 has a large amount of particles, the baffle 25 rotates downward under the pressure of the particles to discharge part of the particles to the lower dust collecting chamber 602, so as to temporarily solve the problem that the upper dust collecting chamber 601 is too much in dust collection and the dust collecting pipe 9 is easily blocked.
A scraper 27 is slidably arranged at the top of the upper surface of the baffle plate 25, pull ropes 28 are fixedly arranged on the front side and the rear side of the scraper 27, the pull ropes 28 connected to the rear side of the scraper 27 penetrate through the baffle plate 25 to be connected with a second vertical spring 29, and the second spring 29 is mounted on the partition plate 5 through a fixing seat 30; the pulling rope 28 connected with the front side of the baffle 25 passes through the baffle 25 and extends downwards to the spare hole 31. When the particulate matter on the surface of the baffle 25 needs to be thoroughly cleaned, the baffle 25 is adsorbed on the magnet 32, the scraper 27 can be pulled downwards through the pull rope 28, the scraper 27 automatically resets under the action of the second spring 29, and the scraper 27 can reciprocate up and down on the upper surface of the baffle 25.
In order to prevent the scraper 27 from blocking the particles on the baffle 25, the scraper 27 is tightly attached to the partition 5 under the action of the downward pulling force of the second spring 29 in the original position.
The free end of the pull rope 28 connected to the front side of the baffle 25 is provided with a pull ring, and the pull ring is used for preventing the pull rope from dropping from the baffle 25.
The above embodiments are only specific examples of the present invention, and the scope of the present invention includes but is not limited to the above embodiments, and any suitable changes or modifications by those of ordinary skill in the art, which are consistent with the claims of the present invention, shall fall within the scope of the present invention.
Claims (10)
1. The utility model provides a novel pulse filter element formula dust removal tank which characterized in that: comprises a tank body (1); a dust removal filter cylinder (2) and a dust removal cloth bag (3) are arranged in the tank body (1); a plurality of dust removing cloth bags (3) are arranged and are positioned below the dust removing filter cylinder (2); the heights of the tops of the plurality of dust removing cloth bags (3) are gradually reduced from the inner wall of the tank body (1) to the partition plate (5); the partition plate (5) is positioned in the tank body (1), and a dust collection cavity (6) is formed between the partition plate and the inner wall of the tank body (1); a dust collecting plate (4) is arranged above the plurality of dust collecting bags (3); the dust collecting plate (4) is obliquely arranged and is matched with the tops of the dust collecting cloth bags (3); a dust inlet pipe (7) is arranged below the dust collecting cloth bag 3, the dust inlet pipe (7) is connected with a separating cover (8), and the opening of the separating cover (8) is downward.
2. The novel pulse filter element type dust removal tank of claim 1, wherein: the top of the tank body (1) is provided with a secondary emptying port (16), the side surface is provided with a primary emptying port (17), and the primary emptying port (17) is positioned above the dust collection cavity (6) and below the dust removal filter cylinder (2).
3. The novel pulse filter element type dust removing tank as claimed in claim 2, wherein: the dust concentration tester (11) is arranged at the feed inlet end of the dust inlet pipe (7), the secondary emptying port (16) and the primary emptying port (17), and the plurality of dust concentration testers (11) are connected with the control box (18).
4. The novel pulse filter element type dust removal tank of claim 1, wherein: the dust inlet pipe (7) is bent downwards in the tank body (1), the bottom of the dust inlet pipe is connected with the separation cover (8), and the separation cover (8) is of a horn-shaped structure.
5. The novel pulse filter element type dedusting tank according to claim 1, characterized in that: the dust inlet pipe (7) adopts a big-end and small-end structure at a feed inlet (15) outside the tank body (1).
6. The novel pulse filter element type dust removal tank of claim 1, wherein: one side of the lower end of the dust collection cavity (6) is connected with a dust collection pipe (9).
7. The novel pulse filter element type dedusting tank according to claim 1, characterized in that: the top of the dust removal filter cylinder (2) is provided with a porous plate (13) and a secondary pulse back-blowing component (14); the top of the dust removal cloth bag (3) is provided with a primary pulse back-blowing component (24).
8. The novel pulse filter element dust removal tank according to any one of claims 1 to 7, wherein: the partition plate (5) extends downwards to the bottom of the tank body (1), and the dust collection cavity (6) is internally divided into an upper dust collection cavity (601) and a lower dust collection cavity (602) by an obliquely arranged metal baffle plate (25); the side surface of the lower dust collecting cavity (602) is provided with a standby hole (31); the high end side of the baffle (25) is hinged with the partition plate (5); the bottom of the baffle plate (25) is supported by a first spring (26) with the partition plate (5), the first spring (26) is always in a compressed state, and the baffle plate (25) is pressed upwards to enable the lower end side of the baffle plate (25) to be in close contact with the inner wall of the tank body (1); and the baffle plate (5) is also provided with a magnet (32) for adsorbing the baffle plate (25), and the magnet (32) is obliquely arranged and matched with the baffle plate (25) which rotates downwards.
9. The novel pulse filter element type dust removing tank of claim 8, wherein: a scraper (27) is arranged on the top of the upper surface of the baffle (25) in a sliding mode, pull ropes (28) are fixedly arranged on the front side and the rear side of the scraper (27), the pull ropes (28) connected to the rear side of the scraper (27) penetrate through the baffle (25) to be connected with a second vertical spring (29), and the second spring (29) is installed on the partition plate (5) through a fixing seat (30); the pull rope (28) connected with the front side of the baffle plate (25) penetrates through the baffle plate (25) and extends downwards to the spare hole (31).
10. The novel pulse filter element dust removal tank of claim 9, wherein: and a pull ring is arranged at the free end of a pull rope (28) connected with the front side of the baffle plate (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210570316.9A CN114768400A (en) | 2022-05-24 | 2022-05-24 | Novel pulse filter element type dust removal tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210570316.9A CN114768400A (en) | 2022-05-24 | 2022-05-24 | Novel pulse filter element type dust removal tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114768400A true CN114768400A (en) | 2022-07-22 |
Family
ID=82409439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210570316.9A Pending CN114768400A (en) | 2022-05-24 | 2022-05-24 | Novel pulse filter element type dust removal tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114768400A (en) |
-
2022
- 2022-05-24 CN CN202210570316.9A patent/CN114768400A/en active Pending
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