CN113069845B - Off-line back-blowing dust remover - Google Patents
Off-line back-blowing dust remover Download PDFInfo
- Publication number
- CN113069845B CN113069845B CN202110480374.8A CN202110480374A CN113069845B CN 113069845 B CN113069845 B CN 113069845B CN 202110480374 A CN202110480374 A CN 202110480374A CN 113069845 B CN113069845 B CN 113069845B
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- Prior art keywords
- air
- dust
- box
- cloth bag
- pattern plate
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- 239000000428 dust Substances 0.000 title claims abstract description 86
- 238000007664 blowing Methods 0.000 title claims abstract description 36
- 239000004744 fabric Substances 0.000 claims abstract description 79
- 230000005674 electromagnetic induction Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 11
- 230000002035 prolonged effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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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
- B01D46/04—Cleaning filters
-
- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The application discloses an off-line back-blowing dust remover which comprises an air inlet box, an air outlet box, an ash bucket, a dust removing chamber, a gas purifying chamber and a movable back-blowing component, wherein the air inlet box is arranged at the top of the dust removing chamber, the ash bucket is arranged at the bottom of the dust removing chamber, the dust removing chamber comprises a pattern plate and a cloth bag, pattern plate holes are uniformly formed in the pattern plate, and the cloth bag is connected with the pattern plate holes; the air purifying chamber is connected with the dust removing chamber through a pattern plate, the air outlet box is arranged at the bottom of the air purifying chamber, dust-containing gas enters the dust removing chamber through the air inlet box and then enters the air purifying chamber through a cloth bag through a pattern plate hole, and is discharged by the air outlet box; the movable blowback component is arranged in the clean air chamber, the movable blowback component comprises a moving device and a compressing blowback device, the compressing blowback device is arranged on the moving device and comprises a compressing mechanism, an air box, a connecting pipe and a fan, the compressing mechanism is used for driving the air box to compress a pattern plate hole, an air nozzle corresponding to the pattern plate hole is formed in one side of the air box towards the pattern plate, and the air box is communicated with the fan through the connecting pipe. The dust remover has thorough dust removal and high efficiency.
Description
Technical Field
The application relates to an off-line back-blowing dust remover, and belongs to the technical field of dust removers.
Background
The bag-type dust collector is widely applied to industrial dust collection due to high dust collection efficiency and simple structure. However, after long-time use, dust can block the filtering holes of the cloth bags, and the cloth bags need to be cleaned or replaced in time.
In the prior art, the ash removal mode is mainly a pulse back blowing method, namely, gas enters a cloth bag through an outlet of the cloth bag, and dust attached to the outer surface of the cloth bag is removed and falls into an ash bucket. However, in the back blowing process, the back blowing pipe is often in loose contact with the cloth bag port, and gaps exist, so that part of air cannot enter the cloth bag, and the ash removal effect and the service life of the cloth bag are seriously affected; in addition, when using high-pressure fan to carry out the blowback, still can appear blowback pipe or blowback gas case and rock, cause the deashing effect poor, discharge concentration not up to standard scheduling problem.
Disclosure of Invention
In order to solve the problems, the application provides an off-line back-blowing dust remover, which is characterized in that a compressing back-blowing device is arranged, so that a gas box can compress a pattern plate hole, a gap does not exist, the gas box cannot shake in the back-blowing process, the ash removing effect is enhanced, and the service life of a cloth bag is prolonged; the moving device is arranged, so that the compressing and back-blowing device sequentially back-blows the cloth bags, and the working efficiency is improved; the dust remover has excellent dust removing and ash removing effects, low emission concentration and high working efficiency.
According to one aspect of the present application, there is provided an off-line back-blowing dust collector comprising an inlet box, an outlet box and an ash bucket, further comprising: the dust removing chamber is arranged at the top of the dust removing chamber, the ash bucket is arranged at the bottom of the dust removing chamber, the dust removing chamber comprises a flower plate and a cloth bag, flower plate holes are uniformly formed in the flower plate, and the cloth bag is connected with the flower plate holes;
The air purifying chamber is connected with the dust removing chamber through the flower plate, the air outlet box is arranged at the bottom of the air purifying chamber, dust-containing gas enters the dust removing chamber through the air inlet box and then enters the air purifying chamber through the flower plate hole through the cloth bag, and is discharged by the air outlet box;
remove blowback part, remove blowback part setting in the air-purifying chamber, remove blowback part and include mobile device and compress tightly blowback device, compress tightly blowback device setting and be in on the mobile device, compress tightly blowback device and include hold-down mechanism, gas tank, connecting pipe and fan, hold-down mechanism is used for the drive the gas tank compresses tightly the card hole, the gas tank orientation card one side offer with the jet that card hole corresponds, the gas tank pass through the connecting pipe with the fan intercommunication.
Optionally, the pressing mechanism includes a guide wheel assembly, a first control device and a first power device, where the first control device is used to control the first power device to drive the guide wheel assembly, so that the air box presses the pattern plate hole or the air box is far away from the pattern plate hole.
Optionally, the air box compresses three columns of the pattern plate holes each time, so that the three columns of the cloth bags corresponding to the compressed pattern plate holes are in an offline state; the air jet is arranged at the position of the air box corresponding to the middle column of the hole of the flower plate, and the air blower blows air into the cloth bags in the middle column after the air box is compressed. The three longitudinal rows of cloth bags are in an off-line state by arranging the air box to press the pattern plate holes of the three longitudinal rows each time, and only the cloth bags of the middle longitudinal row are reversely blown, so that dust on the outer surface of the middle cloth bag cannot be adsorbed by the cloth bags beside in the falling and sinking process, and the ash removing effect is enhanced.
Optionally, the moving device comprises a guide rail assembly, a second control device and a second power device, wherein the guide rail assembly comprises rollers and rails, and the second control device is used for controlling the second power device to drive the pressing back-blowing device to move parallel to the flower plate.
Optionally, the track is a T-shaped track.
Optionally, the second control device comprises a positioning module and an electromagnetic induction switch, wherein the positioning module is arranged at the position of the hole of the flower plate corresponding to the top of each row of the track, and the electromagnetic induction switch is used for controlling the moving device to move forward or stop.
Optionally, the first control device is an electromagnetic valve, the first power device is an air cylinder, and the second power device is a motor.
Optionally, the dust removing chamber further comprises a cloth bag framework, and the cloth bag framework is used for supporting the cloth bag.
Optionally, the cloth bag framework is a spring framework. The spring framework is arranged to support the cloth bag, so that the spring vibrates during back blowing, dust on the outer surface of the cloth bag is shaken off, the ash cleaning effect is further enhanced, and the service life of the cloth bag is prolonged.
Optionally, the ash bucket comprises an ash discharge valve and an auger for discharging dust accumulated in the ash bucket through the ash discharge valve.
In the application, the cloth bag is in an off-line state, which means that the cloth bag is not communicated with the clean air chamber, i.e. no air flow passes through the cloth bag.
The beneficial effects that can be produced by the present application include, but are not limited to:
1. According to the offline back-blowing dust remover provided by the application, the compacting back-blowing device is arranged, so that the air box can compact the pattern plate holes, gaps do not exist between the cloth bag opening and the air box, the air box cannot shake in the back-blowing process, the ash removing effect is enhanced, and the service life of the cloth bag is prolonged; and the moving device is arranged, so that the compressing and back-blowing device sequentially back-blows the cloth bags, and the working efficiency is improved.
2. According to the off-line back-blowing dust remover provided by the application, the three longitudinal rows of cloth bags are in an off-line state by arranging the air box to press the pattern plate holes of the three longitudinal rows each time, and only the cloth bags of the middle longitudinal row are back-blown, so that dust on the outer surface of the middle cloth bag cannot be adsorbed by the cloth bags beside the middle cloth bag in the falling and sinking process, and the dust removing effect is enhanced.
3. According to the offline back-blowing dust remover provided by the application, the compacting back-blowing device can be ensured to stably run by arranging the T-shaped track, and the travelling route is not deviated.
4. According to the off-line back-blowing dust remover provided by the application, the spring framework is arranged to support the cloth bag, so that the spring vibrates during back blowing, dust on the outer surface of the cloth bag is shaken off, the ash removal effect is further enhanced, and the service life of the cloth bag is prolonged.
5. The off-line back-blowing dust remover provided by the application has the advantages of excellent dust removing effect, low gas emission concentration, high working efficiency and low operation and maintenance cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a left side view of an off-line blowback dust collector in accordance with an embodiment of the present application;
FIG. 2 is a front view of an off-line blowback dust collector in accordance with an embodiment of the present application;
FIG. 3 is an enlarged schematic view of portion A of FIG. 1 according to an embodiment of the present application;
FIG. 4 is an enlarged schematic view of portion B of FIG. 1 according to an embodiment of the present application;
fig. 5 is an enlarged schematic view of a portion C in fig. 1 according to an embodiment of the present application.
List of parts and reference numerals:
1. An air inlet box; 2. a wind outlet box; 3. an ash bucket; 31. an ash discharge valve; 32. a screw conveyor; 4. a dust removal chamber; 5. a flower plate; 6. a cloth bag; 7. a pattern hole; 8. a gas purifying chamber; 9. a mobile device; 91. a guide rail assembly; 92. a second control device; 921. a positioning module; 922. an electromagnetic induction switch; 93. a second power device; 10. a compressing mechanism; 101. a guide wheel assembly; 102. a first control device; 103. a first power unit; 11, an air box; 12. a connecting pipe; 13. a blower; 14. an air jet; 15. a cloth bag framework.
Detailed Description
In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.
In addition, in the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
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 one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, 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; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, 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. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1-5, an embodiment of the application discloses an off-line back-blowing dust remover, which comprises an air inlet box 1, an air outlet box 2, an ash bucket 3, a dust removing chamber 4, a clean air chamber 8 and a movable back-blowing component, wherein the air inlet box 1 is arranged at the top of the dust removing chamber 4, the ash bucket 3 is arranged at the bottom of the dust removing chamber 4, the dust removing chamber 4 comprises a pattern plate 5 and a cloth bag 6, pattern plate holes 7 are uniformly formed in the pattern plate 5, and the cloth bag 6 is connected with the pattern plate holes 7;
The air purifying chamber 8 is connected with the dust removing chamber 4 through the pattern plate 5, the air outlet box 2 is arranged at the bottom of the air purifying chamber 8, dust-containing gas enters the dust removing chamber 4 through the air inlet box 1, then enters the air purifying chamber 8 through the pattern plate hole 7 through the cloth bag 6, and is discharged from the air outlet box 2;
the movable blowback component is arranged in the clean air chamber 8 and comprises a moving device 9 and a compressing blowback device, the compressing blowback device is arranged on the moving device 9 and comprises a compressing mechanism 10, an air box 11, a connecting pipe 12 and a fan 13, the compressing mechanism 10 is used for driving the air box 11 to compress the flower plate hole 7, an air nozzle 14 corresponding to the flower plate hole 7 is formed in one side of the air box 11, facing the flower plate 5, of the air box 11, and the air box 11 is communicated with the fan 13 through the connecting pipe 12.
According to the application, the hold-down blowback device is arranged, so that the gas tank 11 can hold down the pattern holes 7 without gaps, the gas tank 11 cannot shake in the blowback process, the ash removal effect is enhanced, and the service life of the cloth bag 6 is prolonged; the moving device 9 is arranged, so that the compressing and back-blowing device sequentially back-blows the cloth bags 6, and the working efficiency is improved; the dust remover has excellent dust removing and ash removing effects, low emission concentration and high working efficiency.
Further, a person skilled in the art may stack a plurality of dust collectors in a multi-layer arrangement according to the actual filtering area, and the plurality of dust collectors may share one dust hopper 3, which includes but is not limited to the above manner.
As an embodiment, the pressing mechanism 10 includes a guide wheel assembly 101, a first control device 102 and a first power device 103, where the first control device 102 is configured to control the first power device 103 to drive the guide wheel assembly 101, so as to press the air box 11 against the pattern hole 7 or to distance the air box 11 from the pattern hole 7.
Specifically, the guide wheel assembly 101 includes two guide wheels and positioning bearings, the first control device 102 is a solenoid valve, and the first power device 103 is a cylinder. The air box 11 is fixedly connected with the guide wheel bolt.
Specifically, the number of the air tanks 11 pressing the pattern holes 7 is not limited, and may be modified according to actual process requirements.
As an implementation manner, the air box 11 compresses the three column pattern holes 7 each time, so that the three column cloth bags 6 corresponding to the compressed pattern holes 7 are in an off-line state; the air jet 14 is arranged at the position of the air box 11 corresponding to the middle column pattern plate hole 7, and the compressed air blower 13 blows air into the cloth bags 6 in the middle column.
Further, the fan 13 is a high-pressure fan 13, the wind pressure is 30 kpa-200 kpa, when the air box 11 compresses the pattern plate hole 7, the high-pressure fan 13 blows a large amount of high-pressure air into the cloth bag 6 in the middle column, at this time, the cloth bag 6 is impacted and vibrated from the mouth to the bottom of the cloth bag 6, the air is rapidly expanded, and dust attached to the outer surface of the cloth bag 6 is removed.
The three columns of cloth bags 6 are in an off-line state by arranging the air box 11 to press the pattern plate holes 7 of the three columns each time, and only the cloth bags 6 of the middle column are reversely blown, so that dust on the outer surface of the middle cloth bag 6 can not be adsorbed by the cloth bags 6 beside in the falling and sinking process, and the ash removing effect is enhanced.
As an embodiment, the moving device 9 includes a guide rail assembly 91, a second control device 92 and a second power device 93, where the guide rail assembly 91 includes rollers and rails, and the second control device 92 is used to control the second power device 93 to drive the compacting and blowback device to move parallel to the flower plate 5.
As one embodiment, the track is a T-track.
Specifically, the moving device 9 includes a guide rail assembly 91 disposed at the top of the air purifying chamber 8 and a guide rail assembly 91 disposed at the bottom of the air purifying chamber 8, the guide rail assembly 91 includes six rollers and a T-shaped track, the air box 11 is connected with the rollers by bolts, and the second power device 93 is a motor.
As an embodiment, the second control device 92 includes a positioning module 921 and an electromagnetic induction switch 922, where the positioning module 921 is disposed at a position corresponding to each column of top panel holes 7 of the track, and the electromagnetic induction switch 922 is used to control the moving device 9 to advance or stop.
Further, when the compacting blowback device moves to a positioning module 921, the electromagnetic induction switch 922 controls the motor to stop driving the roller, and compacting blowback is started; after the compaction back blowing is finished, the electromagnetic induction switch 922 controls the motor to drive the roller to walk forwards along the T-shaped track until the position of the next positioning module 921.
Specifically, the kind and shape of the cloth bag 6 are not limited as long as the dust removing effect is satisfied.
As an embodiment, the dust chamber 4 further comprises a cloth bag skeleton 15, and the cloth bag skeleton 15 is used for supporting the cloth bag 6. Preferably, the cloth bag framework 15 is a spring framework, the cloth bag 6 is a flat-mouth dust removing cloth bag 6, and the material is PPS fiber (polyphenylene sulfide fiber). The spring framework is arranged to support the cloth bag 6, so that the spring vibrates during back blowing, dust on the outer surface of the cloth bag 6 is shaken off, the ash cleaning effect is further enhanced, and the service life of the cloth bag 6 is prolonged.
As an embodiment, the hopper 3 includes a discharge valve 31 and a screw conveyor 32, and the screw conveyor 32 is used to discharge dust accumulated in the hopper 3 through the discharge valve 31.
Specifically, the connection modes of the dust removing chamber 4, the clean air chamber 8, the cloth bag 6, the pattern plate holes 7 and other parts in the application can adopt the conventional technical means in the field, such as bolt connection, adhesive connection or buckle connection; further, to better achieve dust removal and exhaust, an exhaust fan may be connected outside the outlet box 2, and the present application includes, but is not limited to, the above manner.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.
Claims (9)
1. The utility model provides an off-line blowback formula dust remover, its includes air inlet box, goes out bellows and ash bucket, its characterized in that still includes:
The dust removing chamber is arranged at the top of the dust removing chamber, the ash bucket is arranged at the bottom of the dust removing chamber, the dust removing chamber comprises a flower plate and a cloth bag, flower plate holes are uniformly formed in the flower plate, and the cloth bag is connected with the flower plate holes;
The air purifying chamber is connected with the dust removing chamber through the flower plate, the air outlet box is arranged at the bottom of the air purifying chamber, dust-containing gas enters the dust removing chamber through the air inlet box and then enters the air purifying chamber through the flower plate hole through the cloth bag, and is discharged by the air outlet box;
The movable back-blowing component is arranged in the air purifying chamber and comprises a moving device and a compressing and back-blowing device, the compressing and back-blowing device is arranged on the moving device and comprises a compressing mechanism, an air box, a connecting pipe and a fan, the compressing mechanism is used for driving the air box to compress the pattern plate hole, an air nozzle corresponding to the pattern plate hole is formed in one side, facing the pattern plate, of the air box, and the air box is communicated with the fan through the connecting pipe;
The air box compresses three longitudinal rows of pattern plate holes each time so that the three longitudinal rows of cloth bags corresponding to the compressed pattern plate holes are in an off-line state; the air jet is arranged at the position of the air box corresponding to the middle column of the hole positions of the flower plates, and the air blower blows air into the cloth bags in the middle column after the air jet is compressed;
the outer part of the air outlet box is connected with an exhaust fan.
2. The offline back-blowing dust collector of claim 1, wherein the hold-down mechanism comprises a guide wheel assembly, a first control device and a first power device, the first control device being configured to control the first power device to drive the guide wheel assembly to hold down the air box against the pattern hole or to move the air box away from the pattern hole.
3. The offline blowback dust collector of claim 2, wherein the moving means comprises a rail assembly including rollers and rails, a second control means for controlling the second power means to drive the compacting blowback means to move parallel to the pattern plate, and a second power means.
4. An off-line blowback dust collector as set forth in claim 3 wherein said rail is a T-shaped rail.
5. The off-line blowback dust collector of claim 4, wherein the second control device comprises a positioning module and an electromagnetic induction switch, the positioning module is arranged at the position of the top of each row of the track corresponding to the hole position of the flower plate, and the electromagnetic induction switch is used for controlling the moving device to move forward or stop.
6. The offline back-flushing dust remover according to claim 5, characterized in that the first control device is an electromagnetic valve, the first power device is a cylinder, and the second power device is a motor.
7. The offline back-blowing dust collector of claim 6, wherein the dust chamber further comprises a cloth bag skeleton for supporting the cloth bag.
8. The offline back-blowing dust collector of claim 7, wherein the cloth bag skeleton is a spring skeleton.
9. The offline back-flushing dust remover according to claim 8, wherein the ash bucket comprises an ash discharge valve and an auger for discharging dust accumulated in the ash bucket through the ash discharge valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480374.8A CN113069845B (en) | 2021-04-30 | 2021-04-30 | Off-line back-blowing dust remover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480374.8A CN113069845B (en) | 2021-04-30 | 2021-04-30 | Off-line back-blowing dust remover |
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| Publication Number | Publication Date |
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| CN113069845A CN113069845A (en) | 2021-07-06 |
| CN113069845B true CN113069845B (en) | 2024-07-23 |
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- 2021-04-30 CN CN202110480374.8A patent/CN113069845B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214972542U (en) * | 2021-04-30 | 2021-12-03 | 诸城万通铸造装备工程有限公司 | Offline back-blowing type dust remover |
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| CN113069845A (en) | 2021-07-06 |
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