CN216856159U - Special self-cleaning dry-type high-efficiency low-resistance explosion-proof cloth bag dust removal device for coal conveying belt conveyor - Google Patents
Special self-cleaning dry-type high-efficiency low-resistance explosion-proof cloth bag dust removal device for coal conveying belt conveyor Download PDFInfo
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- CN216856159U CN216856159U CN202122350509.7U CN202122350509U CN216856159U CN 216856159 U CN216856159 U CN 216856159U CN 202122350509 U CN202122350509 U CN 202122350509U CN 216856159 U CN216856159 U CN 216856159U
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Abstract
The utility model discloses a self-cleaning dry-type high-efficiency low-resistance explosion-proof cloth bag dust removal device special for a coal conveying belt conveyor, which relates to the technical field of dust removal devices and aims to solve the problems of high arrangement difficulty, low dust removal efficiency, difficulty in cleaning filter bags and the like of dust removal equipment of a traditional coal feeding system; the device has two-stage filtration, the dust treatment effect is improved, the non-closed dust removal part cannot generate dust explosion, and the whole device adopts a dry dust removal method, so that the quality of transported coal cannot be influenced; the filter bag for filtering is a spring type filter bag, and the filter bag per se vibrates at a high speed under the driving of the vibration mechanism in the whole using process, so that dust of the filter bag is difficult to attach to the surface layer, the resistance of air flowing through the filter bag is reduced, and the service life of the filter bag is prolonged.
Description
Technical Field
The utility model relates to the technical field of dust removal devices, in particular to a self-cleaning dry type high-efficiency low-resistance explosion-proof cloth bag dust removal device special for a coal conveying belt machine.
Background
In recent years, the problem of air pollution is increasingly aggravated, and as a developing big country, China still faces the situation of increasingly aggravating air pollution for a long time in the future. Along with the increasing of energy requirements, the pollution problem caused by flue gas emission is increasingly prominent, and the problem of atmospheric environmental pollution control continuously arouses great attention to the world, and the development of high-efficiency, energy-saving and high-cost-performance flue gas purification equipment (dust removal equipment) and technology is fundamentally solved, developed and environment-friendly, and different requirements are currently met for the long run.
The flue gas purification equipment required by various industries has different working conditions and environments and different performance requirements on the flue gas purification equipment, the total requirements are high-efficiency, energy-saving and high-cost performance, the coal belt conveyor coal dropping smoke dust purification is always an urgent problem to be solved by coal supply systems of various industries, the coal belt conveyor generally does not consider dust control and dust collection during coal conveying during construction, a large amount of dust is generated by the coal belt conveyor during coal conveying, the physical health of workers is seriously influenced, a coal corridor and adjacent environments are polluted, the dust removal of a coal supply system is difficult from the process of the dust removal equipment to the arrangement of the dust removal equipment due to the large amount of dust of the coal powder, flammability and the working condition arrangement environment of the coal supply system (the dust removal equipment is generally not considered during construction), and the dust removal of the coal supply system belt conveyor at present is a difficult point in various domestic industries, and the dust removal efficiency of the dust removal equipment is low, the filter bag is not easy to clean, and the whole quality of the transported coal is influenced by adopting a wet dust removal mode of spraying water mist.
The utility model provides a coal conveying belt conveyor dust removal device which can adapt to the severe working condition environment of a coal feeding system of a furnace kiln, and can realize good treatment of coal dust in the coal conveying process.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, namely the problems of the background art, the utility model provides a special self-cleaning dry-type high-efficiency low-resistance explosion-proof cloth bag dust removal device for a coal conveyor belt machine, which comprises a dust removal part, and a main air inlet part and an exhaust part which are arranged on the dust removal part, wherein the main air inlet part and the exhaust part are both communicated with the dust removal part, and the exhaust part provides negative pressure for the whole device;
the air inlet structure comprises a main air inlet part, a plurality of air inlet plates and a plurality of air outlet plates, wherein the air inlet plates are arranged in the main air inlet part in parallel, and the air outlet plates are also provided with preset inclination angles;
the primary filtration of dust is realized through the main air inlet part, and the secondary filtration of dust is realized through the dust removal part.
The utility model is further provided with: the dust removal part comprises a shell and filter bags arranged in the shell, and the shell is further provided with a vibration mechanism for driving the filter bags to vibrate.
The utility model is further provided with: the device also comprises an auxiliary air inlet part, wherein the air pressing plate is also arranged in the auxiliary air inlet part, the auxiliary air inlet part is communicated with the dust removal part through a pipeline, and a valve is arranged on the pipeline.
The utility model is further provided with: the main air inlet part is also internally provided with an opening-closing plate used for closing the preset opening of the main air inlet part.
The utility model is further provided with: the included angle between the air pressing plate and the horizontal direction is larger than the repose angle of the coal dust.
The utility model is further provided with: the filter bag comprises a spring framework and a surface layer wrapped outside the spring framework, one end of the spring framework is connected to a partition plate arranged in the shell, and the other end of the spring framework is connected with the vibration mechanism.
The utility model is further provided with: the shell and the main air inlet part are connected through a connecting flange.
The beneficial technical effects of the utility model are as follows:
1. the device has two-stage filtration, the inclined wind shield primarily filters large-particle dust, and the filter bag further filters small-particle dust, so that the dust treatment effect is improved;
2. the whole device adopts a dry dust removal method, so that the quality of the transported coal is not influenced;
3. the filter bag is a spring type filter bag, and the filter bag body is driven by the vibration mechanism to vibrate at a high speed in the whole using process, so that dust is difficult to attach to the surface layer, and the resistance of air flowing through the filter bag is reduced;
4. the whole dust removing part is of a non-compact type, and the dust removing part does not have the condition generated by a pressure source and cannot explode without the pressure source;
5. compared with other bag-type dust remover filter bags, the filter bag has the advantages that due to the adoption of a high-speed vibration dust removal mode, excessive dust does not adhere to the surface of the filter bag, the filter resistance of the filter bag is low, and the service life of the filter bag is longer, the service life of the traditional bag-type dust remover filter bag is generally less than or equal to 30000 hours according to the national standard, and the service life of the spring vibration type filter bag is more than one time longer than that of the traditional filter bag;
6. the device meets the transportation mode of one spare for one use of the traditional coal, and can achieve the expected effect only by one set of dust removing part, so that the arrangement cost of the device is reduced.
Drawings
FIG. 1 shows a schematic front view of the present invention;
FIG. 2 shows a left side schematic view of the present invention;
fig. 3 shows a schematic view of the utility model at a in fig. 2 in a partially enlarged configuration.
Reference numerals: 1-main air inlet part, 2-exhaust part, 3-air pressing plate, 4-shell, 5-filter bag, 51-spring framework, 52-surface layer, 53-partition plate, 54-linkage spring, 6-vibration mechanism, 7-auxiliary air inlet part, 8-pipeline, 9-valve and 10-opening plate.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The embodiment is as follows:
referring to fig. 1-3, the utility model provides a self-cleaning dry type high-efficiency low-resistance explosion-proof cloth bag dust removal device special for a coal conveying belt machine, which comprises a dust removal part, and a main air inlet part 1 and an exhaust part 2 which are arranged on the dust removal part, wherein the main air inlet part 1 and the exhaust part 2 are communicated with the dust removal part, and the exhaust part 2 provides negative pressure for the whole device;
the device also comprises an auxiliary air inlet part 7, the air pressing plate 3 is also arranged in the auxiliary air inlet part 7, the auxiliary air inlet part 7 is communicated with the dust removal part through a pipeline 8, a valve 9 is arranged on the pipeline 8, and an opening plate 10 for closing a preset opening of the main air inlet part 1 is also arranged in the main air inlet part 1;
the coal conveying belt conveyor is arranged for one use and one spare, and is respectively a main belt conveyor and a spare belt conveyor, namely only one belt conveyor is generally in a working state at the same time, when one belt conveyor is overhauled and maintained, the other belt conveyor is used for conveying coal, in the embodiment, a main air inlet part 1 and an auxiliary air inlet part 7 are respectively arranged above the main belt conveyor and the spare belt conveyor and used for carrying out negative pressure adsorption on coal smoke dust generated in the coal conveying process, so that a large amount of coal dust is prevented from being in a space where the belt conveyor is located, and a worker can still work in the conveying space where the belt conveyor is located;
it should be noted that gaps exist between the main air inlet part 1 and the auxiliary air inlet part 7 and the corresponding main adhesive tape machine and the corresponding standby adhesive tape machine, so that the phenomenon of dust explosion can be avoided;
the main air inlet part 1 and the auxiliary air inlet part 7 are close to a preset coal dropping pipe, the coal dropping pipe is a pipeline for dropping coal, and the coal drops on the surface of the belt conveyor through the coal dropping pipe;
the primary filtration of dust can be realized through the main air inlet part 1 and the auxiliary air inlet part 7, and the secondary filtration of dust can be realized through the dust removal part;
the dust removal part comprises a shell 4 and a filter bag 5 arranged in the shell 4, and the shell 4 is also provided with a vibration mechanism 6 for driving the filter bag 5 to vibrate;
the main air inlet part 1 is internally provided with a plurality of air pressing plates 3, the air pressing plates 3 are arranged in the main air inlet part 1 in parallel, and the air pressing plates 3 have preset inclination angles;
in this embodiment, the included angle between the air pressing plate 3 and the horizontal direction is greater than 60 °, and since the repose angle of the coal dust is much greater than 60 °, in order to ensure that the coal dust can slide off the air pressing plate 3, the inclination angle between the air pressing plate 3 and the horizontal direction is set to be greater than 60 °;
in the embodiment, the filter bag 5 is a spring type filter bag, the spring filter bag 5 comprises a spring framework 51 and a surface layer 52 wrapped outside the spring framework 51, one end of the spring framework 51 is connected to a preset partition plate in the shell 4 through an elastic piston ring, the other end of the spring framework 51 is connected with the vibration mechanism 6, and a linkage spring 53 can be adopted to connect the spring framework 51 and the vibration mechanism 6, so that the vibration effect of the filter bag 5 is improved;
in the embodiment, the vibration mechanism 6 is in a cam connecting rod type, the connecting rod comprises a vibration frame and a pressure transmission rod which are connected with each other, the vibration frame is connected with the free end of a spring framework 51, the upper end of the pressure transmission rod is connected on the shell 4 in a penetrating and sliding manner, a cam which is driven to operate by a micro motor on the shell 4 interacts with the upper end of the pressure transmission rod, the spring framework 51 can drive the surface layer 52 to vibrate at a high speed, and the surface layer 52 always vibrates continuously under the action of the high speed vibration, so that light and fine dust adsorbed by the surface layer 52 always vibrates at a high speed, the coal dust cannot be completely and firmly adsorbed on the surface layer 52 due to the continuous vibration, and the phenomenon that the coal dust is adsorbed and not completely adsorbed on the surface layer 52 is generated, so that the light and fine coal dust cannot be accumulated on the surface layer 52 all the time to achieve the purpose of ash removal;
when only the main adhesive tape works, the valve 9 on the pipeline 8 is closed, the opening plate 10 on the main air inlet part 1 opens the preset opening of the main air inlet part 1, the dust-containing gas is sucked from the preset opening of the main air inlet part 1 under the negative pressure action of the exhaust part 2, when the dust-containing gas flows through the pressure air plate 3, the dust-containing gas flows through the pressure air plate 3 for rectification and then turns to the airflow, the dust in the airflow collides with the pressure air plate 3 to generate the dust separation phenomenon, the separated large-particle dust falls on the main adhesive tape machine to be directly conveyed away to play the role of pre-collecting dust, other lighter fine dust is adsorbed on the surface of the filter bag 5 along with the airflow, and the filter bag 5 is driven by the vibration mechanism 6 to vibrate, so that the light fine dust adsorbed on the surface of the filter bag 5 can not be completely and firmly adsorbed on the surface of the filter bag 5, the phenomenon of adsorption and complete adsorption can not be generated, and the dust removal can not be always generated, and the light fine powder can not be accumulated on the surface of the filter bag to achieve the purpose, the filtered clean gas enters the upper box body through the filter bag and is collected to the air outlet pipe to be discharged;
when the main adhesive tape machine needs to be stopped due to faults or other reasons and the standby adhesive tape machine needs to be started, the valve 9 on the pipeline 8 is opened at the moment, the opening plate 10 on the main air inlet part 1 is closed, the preset opening of the main air inlet part 1 is closed, dust-containing gas is sucked in from the preset opening of the auxiliary air inlet part 7 under the negative pressure action of the exhaust part 2, dust is finally deposited in a cavity above the opening plate 10 after being treated, the cavity plays a role of a dust accumulation ash hopper and can store the filtered coal dust for 2-3 days, and therefore the purpose that one dust removal device is used by one adhesive tape machine and one dust removal device is used by one adhesive tape machine is achieved.
While the utility model has been described with reference to a preferred embodiment, various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and particularly, features shown in the various embodiments may be combined in any suitable manner without departing from the scope of the utility model. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is apparent to those skilled in the art that the scope of the present invention is not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.
Claims (6)
1. The special self-cleaning dry-type high-efficiency low-resistance explosion-proof cloth bag dust removal device for the coal conveying belt machine is characterized in that: the device comprises a dust removing part, and a main air inlet part (1) and an exhaust part (2) which are arranged on the dust removing part, wherein the main air inlet part (1) and the exhaust part (2) are communicated with the dust removing part, and the exhaust part (2) provides negative pressure for the whole device;
the air inlet structure is characterized in that air compression plates (3) are arranged in the main air inlet part (1), the number of the air compression plates (3) is multiple, the air compression plates (3) are arranged in the main air inlet part (1) in parallel, and the air compression plates (3) have preset inclination angles;
the dust removal part comprises a shell (4) and filter bags (5) arranged in the shell (4), and the shell (4) is also provided with a vibration mechanism (6) for driving the filter bags (5) to vibrate;
the filter bag (5) comprises a spring framework (51) and a surface layer (52) wrapped outside the spring framework (51), one end of the spring framework (51) is connected to a preset partition plate on the shell (4), and the other end of the spring framework (51) is connected with the vibration mechanism (6).
2. The special self-cleaning dry type high-efficiency low-resistance explosion-proof cloth bag dust removal device for the coal conveying belt machine as claimed in claim 1, which is characterized in that: the spring framework (51) is connected with the vibration mechanism (6) through a linkage spring (53).
3. The special self-cleaning dry type high-efficiency low-resistance explosion-proof cloth bag dust removal device for the coal conveying belt machine as claimed in any one of claims 1 or 2, which is characterized in that: the device also comprises an auxiliary air inlet part (7), the air pressing plate (3) is also arranged in the auxiliary air inlet part (7), the auxiliary air inlet part (7) is communicated with the dust removal part through a pipeline (8), and a valve (9) is arranged on the pipeline (8).
4. The special self-cleaning dry type high-efficiency low-resistance explosion-proof cloth bag dust removal device for the coal conveying belt machine as claimed in claim 3, wherein: the main air inlet part (1) is also internally provided with an opening and closing plate (10) used for closing a preset opening of the main air inlet part (1).
5. The special self-cleaning dry type high-efficiency low-resistance explosion-proof cloth bag dust removal device for the coal conveying belt machine as claimed in claim 3, wherein: the included angle between the air pressing plate (3) and the horizontal direction is larger than the repose angle of coal dust.
6. The special self-cleaning dry type high-efficiency low-resistance explosion-proof cloth bag dust removal device for the coal conveying belt machine as claimed in claim 1, which is characterized in that: the shell (4) is connected with the main air inlet part (1) through a connecting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122350509.7U CN216856159U (en) | 2021-09-27 | 2021-09-27 | Special self-cleaning dry-type high-efficiency low-resistance explosion-proof cloth bag dust removal device for coal conveying belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122350509.7U CN216856159U (en) | 2021-09-27 | 2021-09-27 | Special self-cleaning dry-type high-efficiency low-resistance explosion-proof cloth bag dust removal device for coal conveying belt conveyor |
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| Publication Number | Publication Date |
|---|---|
| CN216856159U true CN216856159U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122350509.7U Active CN216856159U (en) | 2021-09-27 | 2021-09-27 | Special self-cleaning dry-type high-efficiency low-resistance explosion-proof cloth bag dust removal device for coal conveying belt conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216856159U (en) |
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2021
- 2021-09-27 CN CN202122350509.7U patent/CN216856159U/en active Active
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Assignee: SHENYANG OAKMAG MAGNETIC MATERIALS CO.,LTD. Assignor: Liaoning Qinglin Environmental Technology Co.,Ltd. Contract record no.: X2023210000141 Denomination of utility model: Special self-cleaning dry type high-efficiency low resistance explosion-proof bag dust removal device for coal conveyor belt conveyor Granted publication date: 20220701 License type: Common License Record date: 20230925 |