CN211189449U - Dust collecting device of pulse bag dust collector - Google Patents
Dust collecting device of pulse bag dust collector Download PDFInfo
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- CN211189449U CN211189449U CN201922057067.XU CN201922057067U CN211189449U CN 211189449 U CN211189449 U CN 211189449U CN 201922057067 U CN201922057067 U CN 201922057067U CN 211189449 U CN211189449 U CN 211189449U
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- dust
- dust collecting
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Abstract
The utility model discloses a dust collecting device of a pulse bag dust collector, which belongs to the technical field of industrial dust collection, and the technical proposal main point is that the dust collecting device of the pulse bag dust collector comprises a dust collecting bin, a layered plate, an air inlet, an air outlet, a dust collecting bag, a pulse air nozzle and a dust collecting hopper, wherein the layered plate is horizontally arranged in the dust collecting bin, the air inlet and the air outlet are respectively arranged on the side wall of the dust collecting bin at the upper side and the lower side of the layered plate, the dust collecting bag is vertically arranged in the dust collecting bin, the pulse air nozzle is fixedly connected on the top wall of the dust collecting bin, the dust collecting hopper is arranged at the bottom of the dust collecting bin, a dust collecting barrel is arranged below the dust collecting hopper, a connecting component is arranged between the dust collecting hopper and the dust collecting bin, the dust collecting barrel is connected with the dust collecting hopper through the connecting component, the connecting, the lower connecting chuck is fixedly connected with the dust collecting barrel through the connecting cover, so that the effect of preventing dust from diffusing into the atmosphere is achieved.
Description
Technical Field
The utility model relates to an industrial dust removal equipment field, in particular to pulse bag dust collector dust arrester installation.
Background
With the continuous advance of national environmental protection policies, more and more factories are concerned about the emission of industrial waste gases, especially dust-containing gases. The bag-type dust collector is used as a very common industrial dust-containing gas filtering device, and has strong gas processing capacity and high purification efficiency, and is widely used in the industries such as chemical engineering, metallurgy and the like, and because the application scenes of the bag-type dust collector are continuously increased, the problems faced by the bag-type dust collector also tend to be diversified, and how to enable the bag-type dust collector to be further suitable for the specific use scene to become the problem which is very concerned by technical personnel in the related field on the basis of keeping the original characteristics of the bag-type dust collector.
The existing pulse bag-type dust collector comprises a dust collection bin, a layered plate, an air inlet, an air outlet, dust collection bags, pulse air nozzles and a dust collection hopper, wherein the air inlet is formed in the side wall of the bottom of the dust collection bin, the air outlet is formed in the top of the dust collection bin, the layered plate is horizontally arranged in the dust collection bin and divides the dust collection bin into an upper cavity and a lower cavity; the dust collecting hopper is arranged on the bottom surface of the dust removing bin, and a dust discharging port for discharging dust is formed in the dust collecting hopper. When the pulse bag-type dust collector is used for collecting dust, gas to be subjected to dust removal is introduced into the gas inlet, the gas can move towards the gas outlet positioned at the top of the dust removal bin under the action of air pressure after entering the gas inlet, the gas can be filtered by the dust removal bag in the process of moving towards the gas outlet, the dust in the gas can be blocked by the dust removal bag, and the gas can pass through the dust removal bag and continue to move towards the gas outlet until the gas is discharged out of the dust removal bin; after this pulsation sack cleaner had worked an end time, the dust can be adsorbed on the surface of dust removal bag, at this moment, pulse air nozzle sprays high-pressure pulse air current to the dust removal bag under the control of solenoid valve, high-pressure pulse air current can drive the dust removal bag vibrations to shake off the dust that adsorbs on the dust removal bag, the dust can subside to the dust hopper of dust removal storehouse bottom, after the dust had accumulated an end time in the dust hopper, the workman can open the dust exhaust mouth of dust hopper bottom, will carry out centralized processing from the dust of dust exhaust mouth exhaust.
However, the pulse bag-type dust collector still has the following defects that when dust is recovered through the dust discharging port and falls down from the dust discharging port, a part of dust can be lifted by flowing air, the lifted dust cannot be recovered and diffused in air of a factory area, and the air environment of the factory area is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pulse bag dust collector dust arrester installation, reach the effect that prevents the dust and spread in the atmosphere to prior art exists not enough.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a pulse bag dust collector dust arrester installation, includes dust removal storehouse, layering board, air inlet, gas vent, dust bag, pulse air nozzle and dust hopper, and the layering board level sets up in the dust removal storehouse, and air inlet, gas vent are seted up respectively on the lateral wall in the dust removal storehouse of both sides about the layering board, and the vertical setting of dust bag is in the dust removal storehouse, and pulse air nozzle fixed connection is on the roof in dust removal storehouse, and the dust hopper sets up the bottom in dust removal storehouse, the dust hopper below is provided with the dust collection bucket, is provided with coupling assembling between dust hopper and the dust removal storehouse, and the dust collection bucket is connected with the dust hopper through coupling assembling, and coupling assembling includes connecting chuck, lower connecting chuck and connecting cage, goes up connecting chuck and dust hopper fixed connection, and lower connecting chuck passes through connecting cage and dust collection bucket fixed connection.
By adopting the technical scheme, the waste gas to be treated enters the dedusting bin through the air inlet and moves towards the exhaust port under the action of air pressure, the waste gas meets the dedusting bags in the moving process, the smoke dust in the waste gas is blocked by the dedusting bags, and the gas in the waste gas passes through gaps among fibers of the dedusting bags, continues to move towards the exhaust port and is finally exhausted to the atmosphere; after the pulse bag dust collector has worked for a period of time, can adsorb the one deck smoke and dust on the dust removal bag, pulse air nozzle can spray high-pressure pulse air current in to the dust removal bag this moment, thereby drive the dust removal bag vibration, and then make the last adsorbed smoke and dust of dust removal bag shake and fall, the smoke and dust can gather in the dust hopper under the effect of gravity, and in the lateral wall landing to the dust collection bucket along the dust collection bucket, because link to each other through coupling assembling between dust collection bucket and the dust hopper, make the smoke and dust can not diffuse in the air when the whereabouts, thereby prevent that the dust from influencing the air circumstance in factory.
The utility model is further arranged in that a splicing component is arranged between the upper connecting chuck and the lower connecting chuck, the splicing component comprises a main splicing groove, an auxiliary splicing groove, a splicing block and a splicing ring, the main splicing groove is arranged on the bottom surface of the upper connecting chuck, the auxiliary splicing grooves are provided with a plurality of auxiliary splicing grooves which are arranged on the side wall of the main splicing groove; the inserting ring is fixedly connected to the top surface of the lower connecting chuck, the inserting ring is matched with the main inserting groove for use, the inserting block is also provided with a plurality of inserting blocks, the inserting blocks are fixedly connected to the side wall of the inserting ring, and the inserting blocks are matched with the auxiliary inserting groove for use.
Through adopting above-mentioned technical scheme, the setting of grafting subassembly can realize the dismantlement between dust collection bucket and the dust hopper and be connected, when the installation, the plug block and vice inserting groove one-to-one to will insert ring, plug block along vertical ascending direction and insert main inserting groove, vice inserting groove in, will connect the certain angle of chuck rotation down afterwards, thereby will connect chuck and last connection chuck seamless connection together down.
The utility model is further arranged in that the connecting cover is made of flexible dustproof material.
By adopting the technical scheme, the connection cover can move relative to the dust collection barrel through the lower connection chuck, and when the lower connection chuck and the upper connection chuck are connected, the dust collection barrel and the connection chuck do not need to rotate together, so that convenience is brought to installation of the dust collection barrel.
The utility model is further arranged in that a plurality of rope loops are fixedly connected on the connecting cover, the rope loops are equidistantly wound on the circumferential surface of the connecting cover, and two ends of the rope loops are fixedly connected with the connecting cover; the circumferential surface of the connecting cover is also provided with an elastic rope which passes through a gap between the rope loop and the connecting cover and is abutted against the rope loop.
Through adopting above-mentioned technical scheme, the setting of rope tong "pan", can connect the bungee cord on the outside periphery of connecting cover, the setting of bungee cord, can be used to tighten up the connecting cover, two free ends of pulling bungee cord simultaneously, and make the bungee cord to the direction removal of keeping away from the connecting cover, the connecting cover draws in to its axis department under the drive of bungee cord, and separate dust hopper and dust collection bucket, play a knot with the position that the bungee cord drawn in at the connecting cover, will connect chuck and last connection chuck alternate segregation down afterwards, thereby realize changing the dust collection bucket, before changing the dust collection bucket, the connecting cover draws in and makes the dust can't spread to the air from the dust collection bucket, thereby avoid the air circumstance of dust pollution factory.
The utility model is further arranged in that a lining is arranged in the connecting cover, the lining is also made of flexible materials, the lining is vertically arranged, the top end of the lining is fixedly connected with the inner side circumferential surface of the lower connecting chuck, and the bottom end of the lining is fixedly connected with the inner side circumferential surface of the dust collecting barrel.
Through adopting above-mentioned technical scheme, the setting of inside lining can prevent scattering the top surface that the dust was the same with in-process that falls under of dust, but directly falls into the dust removal bucket under the effect of blockking of inside lining to facilitate for emptying dust removal bucket.
The utility model is further arranged in that the side wall of the dust collecting barrel is provided with an observation hole, and the observation hole is embedded with glass.
Through adopting above-mentioned technical scheme, the setting of observation hole can provide the accumulation volume of observing dust in the dust collection bucket for the workman to carry out timely change to the dust removal bucket before the dust fills up the dust removal bucket.
The utility model is further arranged in that the observation hole is a waist-shaped hole, and the length direction of the observation hole is parallel to the axis direction of the dust collection barrel.
By adopting the technical scheme, the observation holes are waist-shaped holes, so that a worker can be helped to observe the accumulation amount and the accumulation speed of the dust in the dust removal barrel in real time, if the accumulation speed of the dust is obviously changed, the state of certain equipment connected with the pulse bag-type dust collector in a plant area is changed, the worker can find problems in time, and the equipment in the plant area can be overhauled in time.
To sum up, the utility model discloses following beneficial effect has:
1. the dust collecting barrel is connected with the dust collecting hopper through the connecting component, so that smoke dust cannot be diffused into air when falling, and the dust is prevented from influencing the air environment of a factory;
2. the arrangement of the plug-in assembly can realize the detachable fixed connection between the upper connecting chuck and the lower connecting chuck, thereby providing convenience for installing and detaching the dust collecting barrel;
3. the arrangement of the observation hole can provide workers with the function of observing the accumulation amount of the dust in the dust collection barrel, so that the dust collection barrel can be replaced in time before the dust collection barrel is filled with the dust.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view intended to show a dust bag;
fig. 3 is a partial sectional view intended to show a plug assembly.
Reference numerals: 1. a dust removal bin; 11. a laminate; 12. an air inlet; 13. an exhaust port; 2. a dust removal bag; 3. a pulse air nozzle; 4. a dust collecting hopper; 5. a dust collecting barrel; 51. an observation hole; 6. a connecting assembly; 61. the upper connecting chuck; 62. a lower connecting chuck; 63. a connecting cover; 631. a loop of rope; 632. a bungee cord; 633. a liner; 7. a plug-in assembly; 71. a main insertion groove; 72. an auxiliary insertion groove; 73. an insertion block; 74. and (4) inserting and connecting a ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a pulse bag dust collector dust arrester installation, refer to fig. 1 and fig. 2, including dust removal storehouse 1, be provided with horizontally layering board 11 in the dust removal storehouse 1, layering board 11 is cut apart into two upper and lower confined spaces with dust removal storehouse 1, air inlet 12 has been seted up on the dust removal storehouse 1 lateral wall that is located layering board 11 below, gas vent 13 has been seted up on the dust removal storehouse 1 lateral wall of wind layering board top, dust bag 2 has hung to the below of dust removal storehouse 1 roof, pass layering board 11 and extend to the bottom in dust removal storehouse 1 along vertical direction, still fixedly connected with pulse air nozzle 3 under the roof in dust removal storehouse 1, dust hopper 4 has been seted up to the bottom in dust removal storehouse 1, dust hopper 4 below is connected with dust collection bucket 5.
When the pulse bag-type dust collector is used, gas to be filtered is introduced into the dust removing bin 1 from the gas inlet 12, the gas to be filtered moves towards the gas outlet 13 under the action of pressure difference between the gas inlet 12 and the gas outlet 13, and in the moving process, the gas to be filtered can only pass through gaps among fibers of the dust removing bag 2, so that the gas to be filtered moves from a space below the laminated plate 11 to a space above the laminated plate 11; because the diameter of the dust in the gas to be filtered is larger than the diameter of the gap between the fibers of the dust removal bag 2, the dust cannot move to the space above the layered plate 11 along with the gas, thereby realizing dust removal; after the dust remover works for a period, a large amount of dust can be adsorbed on the outer side of the dust removing bag 2, the pulse air nozzle 3 at the top of the dust removing bin 1 can spray high-pressure pulse airflow into the dust removing bag 2 below under the control of the pulse valve, and the high-pressure pulse airflow drives the dust removing bag 2 to vibrate, so that the dust adsorbed on the surface of the dust removing bag 2 is shaken off; the shaken off dust falls into the dust collecting bucket 5 along the dust collecting hopper 4 under the action of gravity.
Referring to fig. 2, the dust collecting barrel 5 has a cylindrical structure, an observation hole 51 is formed in a side wall of the dust collecting barrel 5, the observation hole 51 is a waist-shaped hole, a length direction of the observation hole 51 is parallel to an axial direction of the dust collecting barrel 5, and a piece of glass having the same size as the observation hole 51 is embedded in the observation hole 51.
Referring to fig. 2, a connection assembly 6 is disposed at the top of the dust collecting barrel 5, the connection assembly 6 includes an upper connection chuck 61, a lower connection chuck 62 and a connection cover 63, the upper connection chuck 61 and the lower connection chuck 62 are both in an annular structure, the upper connection chuck 61 is fixedly connected with the bottom of the dust collecting hopper 4, the lower connection chuck 62 is disposed above the dust collecting barrel 5, the lower connection chuck 62 is used in cooperation with the upper connection chuck 61, the lower connection chuck 62 is used in cooperation with the dust collecting barrel 5 through the connection cover 63, the connection cover 63 is made of a flexible material, the cross section of the connection cover 63 is circular, the bottom of the connection cover 63 is fixedly connected with the bottom of the dust collecting barrel 5, and the top of the connection cover 63 is fixedly connected with the bottom surface of the.
The dust dropped onto the dust collecting bucket 4 slides down along the side wall of the dust collecting bucket 4 under the action of gravity and falls into the dust collecting bucket 5, the amount of the dust accumulated in the dust collecting bucket 5 can be seen through the glass in the observation hole 51, when the dust in the dust collecting bucket 5 is fully accumulated, the upper connecting chuck 61 and the lower connecting chuck 62 can be separated, the dust collecting bucket 5 is taken down from the dust collecting bucket 4, and therefore the dust collecting bucket 5 can be replaced, and the dust in the dust collecting bucket 5 can be intensively treated.
Referring to fig. 2 and 3, an insertion assembly 7 is arranged between the upper connection chuck 61 and the lower connection chuck 62, the insertion assembly 7 includes a main insertion groove 71, an auxiliary insertion groove 72, an insertion block 73 and an insertion ring 74, the main insertion groove 71 has an annular cross section and is opened at the bottom surface of the upper connection chuck 61; the auxiliary insertion grooves 72 are fan-shaped, the auxiliary insertion grooves 72 are formed in the side wall, away from the axis of the upper connecting chuck 61, of the main insertion groove 71, three auxiliary insertion grooves 72 are formed, and the three auxiliary insertion grooves 72 are equidistantly arranged on the side wall of the main insertion groove 71; the plug ring 74 is fixedly connected to the lower connection chuck 62, the plug ring 74 is used in cooperation with the main plug groove 71, the plug block 73 is fixedly connected to a side wall of the plug ring 74 away from the center of the plug ring 74, and the plug block 73 is used in cooperation with the auxiliary plug groove 72.
Referring to fig. 3, a cord loop 631 is arranged on the outer side of the connecting cover 63, the cord loop 631 is C-shaped, the connecting line of two free ends of the cord loop 631 is parallel to the axial direction of the connecting cover 63, the cord loop 631 and the connecting cover 63 are made of the same material, the two free ends of the cord loop are fixedly connected with the connecting cover 63, the cord loop 631 is provided with five cord loops 631, and the five cord loops 631 surround the outer circumferential surface of the connecting cover 63 at equal intervals; the outside of connecting cover 63 is still overlapped and is equipped with bungee cord 632, and the one end of bungee cord 632 length direction is connected with the other end after passing five rope loops 631 in proper order.
Referring to fig. 3, a liner 633 is arranged inside the connection cover 63, the cross section of the liner 633 is circular, the liner 633 is also made of flexible dustproof material, the axis of the liner 633 is coincident with the axis of the connection cover 63, the top of the liner 633 is fixedly connected with the inner circumferential surface of the lower connection chuck 62, and the bottom of the liner 633 is fixedly connected with the inner circumferential surface of the dust collection barrel 5.
In the process of taking off the dust collection barrel 5, the two free ends of the elastic rope 632 are pulled towards the direction far away from the connecting cover 63, so that the elastic rope 632 drives the connecting cover 63 to contract, and after the connecting cover 63 is completely tightened, the two free ends of the elastic rope 632 are knotted to seal dust in the dust collection barrel 5, so that the dust is prevented from escaping into the air; then, the lower coupling chuck 62 is rotated to relatively rotate the lower coupling chuck 62 and the upper coupling chuck 61 until the insert block 73 is rotated to a position directly above the sub-insert groove 72, so that the lower coupling chuck 62 is separated from the upper coupling chuck 61 by the use of gravity, thereby removing the dust collection tub 5 from the dust removing box 1.
The utility model discloses a use as follows:
when the pulse bag-type dust collector is used, gas to be filtered is introduced into the dust removal bin 1 from the gas inlet 12, the gas to be filtered moves towards the gas outlet 13 under the action of pressure difference, and in the moving process, the gas to be filtered can only pass through gaps among fibers of the dust removal bag 2, so that the gas to be filtered moves from a space below the laminated plate 11 to a space above the laminated plate 11; because the diameter of the dust in the gas to be filtered is larger than that of the gap between the limits of the dust removal bag 2, the dust cannot move to the space above the layered plate 11 along with the gas, and dust removal is realized; after the dust remover works for a period, a large amount of dust can be adsorbed on the outer side of the dust removing bag 2, the pulse air nozzle 3 at the top of the dust removing bin 1 can spray high-pressure pulse airflow into the dust removing bag 2 below under the control of the pulse valve, and the high-pressure pulse airflow drives the dust removing bag 2 to vibrate, so that the dust adsorbed on the surface of the dust removing bag 2 is shaken off; the fallen dust falls into the dust collection barrel 5 along the dust collection hopper 4 under the action of gravity; the amount of dust accumulated in the dust collection barrel 5 can be seen through the glass in the observation hole 51, when the dust collection barrel 5 is full of dust, the two free ends of the elastic rope 632 are pulled to be away from the connecting cover 63, so that the elastic rope 632 drives the connecting cover 63 to contract, and when the connecting cover 63 is completely tightened, the two free ends of the elastic rope 632 are knotted to seal the dust in the dust collection barrel 5, so that the dust is prevented from escaping into the air; then, the lower coupling chuck 62 is rotated to relatively rotate the lower coupling chuck 62 and the upper coupling chuck 61 until the insert block 73 is rotated to a position directly above the sub-insert groove 72, so that the lower coupling chuck 62 is separated from the upper coupling chuck 61 by the use of gravity, thereby removing the dust collection tub 5 from the dust removing box 1.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a pulse bag dust collector dust arrester installation, including dust removal storehouse (1), layering board (11), air inlet (12), gas vent (13), dust bag (2), pulse air nozzle (3) and dust hopper (4), layering board (11) level sets up in dust removal storehouse (1), air inlet (12), gas vent (13) are seted up respectively on the lateral wall of dust removal storehouse (1) of both sides about layering board (11), the vertical setting of dust removal bag (2) is in dust removal storehouse (1), pulse air nozzle (3) fixed connection is on the roof in dust removal storehouse (1), dust hopper (4) set up the bottom in dust removal storehouse (1), its characterized in that: the dust collecting bucket is characterized in that a dust collecting bucket (5) is arranged below the dust collecting bucket (4), a connecting assembly (6) is arranged between the dust collecting bucket (4) and the dust removing bin (1), the dust collecting bucket (5) is connected with the dust collecting bucket (4) through the connecting assembly (6), the connecting assembly (6) comprises an upper connecting chuck (61), a lower connecting chuck (62) and a connecting cover (63), the upper connecting chuck (61) is fixedly connected with the dust collecting bucket (4), and the lower connecting chuck (62) is fixedly connected with the dust collecting bucket (5) through the connecting cover (63).
2. The dust collecting device of the pulse bag dust collector according to claim 1, characterized in that: an inserting assembly (7) is arranged between the upper connecting chuck (61) and the lower connecting chuck (62), the inserting assembly (7) comprises a main inserting groove (71), auxiliary inserting grooves (72), inserting blocks (73) and inserting rings (74), the main inserting groove (71) is formed in the bottom surface of the upper connecting chuck (61), the auxiliary inserting grooves (72) are provided with a plurality of parts, and the auxiliary inserting grooves (72) are formed in the side wall of the main inserting groove (71); the plug-in ring (74) is fixedly connected to the top surface of the lower connecting chuck (62), the plug-in ring (74) is matched with the main plug-in groove (71) for use, the plug-in block (73) is also provided with a plurality of plug-in blocks (73), the plug-in blocks (73) are fixedly connected to the side wall of the plug-in ring (74), and the plug-in blocks (73) are matched with the auxiliary plug-in groove (72) for use.
3. The dust collecting device of the pulse bag dust collector according to claim 2, characterized in that: the connecting cover (63) is made of flexible dustproof material.
4. The dust collecting device of the pulse bag dust collector according to claim 3, characterized in that: the rope loop (631) is fixedly connected to the connecting cover (63), a plurality of rope loops (631) are arranged, the plurality of rope loops (631) surround the circumferential surface of the connecting cover (63) at equal intervals, and two ends of the rope loops (631) are fixedly connected with the connecting cover (63); the circumferential surface of the connecting cover (63) is also provided with a bungee cord (632), and the bungee cord (632) passes through a gap between the cord loop (631) and the connecting cover (63) and is abutted against the cord loop (631).
5. The dust collecting device of the pulse bag dust collector according to claim 4, wherein: be provided with inside lining (633) in connecting cover (63), lining (633) are made by flexible material, and lining (633) are vertical to be set up, the top of lining (633) and the inboard periphery fixed connection of connecting chuck (62) down, the bottom of lining (633) and the inboard periphery fixed connection of dust collection bucket (5).
6. The dust collecting device of the pulse bag dust collector according to claim 1, characterized in that: an observation hole (51) is formed in the side wall of the dust collection barrel (5), and glass is connected in the observation hole (51) in an embedded mode.
7. The dust collecting device of the pulse bag dust collector according to claim 6, wherein: the observation hole (51) is a waist-shaped hole, and the length direction of the observation hole (51) is parallel to the axial direction of the dust collection barrel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922057067.XU CN211189449U (en) | 2019-11-23 | 2019-11-23 | Dust collecting device of pulse bag dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922057067.XU CN211189449U (en) | 2019-11-23 | 2019-11-23 | Dust collecting device of pulse bag dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211189449U true CN211189449U (en) | 2020-08-07 |
Family
ID=71850281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922057067.XU Active CN211189449U (en) | 2019-11-23 | 2019-11-23 | Dust collecting device of pulse bag dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211189449U (en) |
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2019
- 2019-11-23 CN CN201922057067.XU patent/CN211189449U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of utility model: A pulse bag dust collector dust collection device Effective date of registration: 20230719 Granted publication date: 20200807 Pledgee: Postal Savings Bank of China Limited Pingyin County sub branch Pledgor: Jinan Pingyin Tiangong Casting Co.,Ltd. Registration number: Y2023980049022 |