CN214919079U - Negative pressure dust suction and dust removal device - Google Patents
Negative pressure dust suction and dust removal device Download PDFInfo
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- CN214919079U CN214919079U CN202121185442.XU CN202121185442U CN214919079U CN 214919079 U CN214919079 U CN 214919079U CN 202121185442 U CN202121185442 U CN 202121185442U CN 214919079 U CN214919079 U CN 214919079U
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- suction hood
- dust removal
- removal unit
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Abstract
The utility model discloses a negative pressure dust absorption dust remover relates to coal conveying dust removal technical field, including fan, total tuber pipe and dust removal unit, the dust removal unit includes suction hood and filter, and the suction hood cover is located the top of baffle box, and the suction hood below is equipped with the wide-mouth that is used for admitting air, and the top and the total tuber pipe intercommunication of suction hood, filter set up make in the suction hood from the gas that the wide-mouth got into flow to total tuber pipe after filtering, total tuber pipe and fan intercommunication. Can set up a dust removal unit, also can set up a plurality ofly, conveniently install the dust removal unit according to the coal dust volume of baffle box, equipment is smaller and more exquisite, and the investment reduces. When the fan works, coal dust is sucked into the dust hood from the wide opening and filtered by the filter, and the coal dust cannot enter the main air pipe, so that pipeline blockage can be avoided. As the coal dust is filtered nearby the dust removal unit, compared with the existing dust remover, the dust remover does not need to convey for a longer distance, so that the pipe distribution is simpler, and the investment on equipment is further reduced.
Description
Technical Field
The utility model relates to a coal conveying dust removal technical field, concretely relates to negative pressure dust absorption dust remover.
Background
The coal conveying transfer station of the thermal power plant generates large coal dust in the guide chute, and the main method for removing the dust is to install a dust removal suction port on the guide chute, guide the dust removal suction port into a dust remover through a dust collection pipeline, and discharge the dust removed outdoor through the dust remover after purification. Because the dust remover is fixed, a dust collection pipe network needs to be built, and the dust removed coal dust is discharged onto a belt. The dust removal method has high investment, the dust collection pipeline is easy to collect dust and block, the dust collection pipeline needs to be cleaned regularly, and the maintenance amount is large. Meanwhile, the arrangement place of the dust remover is not well selected, which brings a lot of difficulties for practical application.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a negative pressure dust absorption dust remover to solve the problem that current dust collecting equipment arranges difficult, the investment is big, the pipeline easily blocks up.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a negative pressure dust absorption dust remover, includes fan, total tuber pipe and dust removal unit, the dust removal unit includes suction hood and filter, the top of baffle box is located to the suction hood cover, the suction hood below is equipped with the wide-mouth that is used for admitting air, the top of suction hood with the total tuber pipe intercommunication, the filter set up in make in the suction hood follow the gas that the wide-mouth got into flows extremely after being filtered in the total tuber pipe, the total tuber pipe with the fan intercommunication.
Furthermore, the dust removal unit is provided with at least one, when a plurality of dust removal units are arranged, the plurality of dust removal units are arranged in a single row or double rows along the length direction of the guide chute, and the plurality of dust removal units are communicated with the main air pipe in parallel.
Furthermore, a drawer opening is formed in the side portion of the dust hood, and the filter is inserted into the drawer opening.
Furthermore, a rubber pad is arranged at the edge of the filter and is sealed with the drawer opening.
Furthermore, the dust hood is arranged in the middle of the top of the guide chute or on the edge of the top of the guide chute.
Furthermore, the dust hood is communicated with the main air pipe through branch air pipes.
Further, a nozzle is arranged in the dust hood, the nozzle is located on one side, far away from the wide opening, of the filter, and the nozzle is communicated with the air pipe to blow the filter.
Furthermore, the dust removal unit also comprises a pulse electromagnetic valve, the pulse electromagnetic valve is fixed on the outer side of the dust hood, and the pulse electromagnetic valve is connected in series to the air pipe to control on-off.
Furthermore, the dust removal unit also comprises a pneumatic butterfly valve which is connected in series with the branch air pipe to control the on-off.
Furthermore, the dust hood is a cone-shaped dust hood, and the filter is a corrugated filter plate.
The utility model has the advantages of as follows:
the dust removal unit sets up on the baffle box, through total tuber pipe and fan intercommunication, can set up a dust removal unit, also can set up a plurality ofly, and the convenient dust removal unit of installing according to the coal dust volume of baffle box, equipment is smaller and more exquisite, and the investment reduces. When the fan works, coal dust is sucked into the dust hood from the wide opening and filtered by the filter, and the coal dust cannot enter the main air pipe, so that pipeline blockage can be avoided. As the coal dust is filtered nearby the dust removal unit, compared with the existing dust remover, the dust remover does not need to convey for a longer distance, so that the pipe distribution is simpler, and the investment on equipment is further reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the range which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of a negative pressure dust collector and the structure and assembly of the negative pressure dust collector and a material guiding chute according to an embodiment of the present invention;
FIG. 2 is a schematic view of the assembly of the suction hood and the filter of the vacuum cleaner according to the embodiment of the present invention;
fig. 3 is an assembly diagram of a dust hood and a material guiding chute of a vacuum cleaner according to an embodiment of the present invention.
In the figure: 1-a material guide groove, 2-a dust hood, 3-a pulse electromagnetic valve, 4-a main air pipe, 5-a pneumatic butterfly valve, 6-a fan, 7-a filter and 8-a rubber pad.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
As shown in fig. 1-3, a negative pressure dust collector comprises a blower 6, a main air duct 4 and a dust removing unit. The dust removing unit is installed according to the amount of the soot of the guide chute 1, for example, a fixed filtering air volume of 600m for one dust removing unit3And h, the conical dust hoods 2 of the N plate-type filters 7 are connected in parallel to assemble the dust remover with the air volume of 600N. The air quantity can be determined by the number of the dust hoods 2 with the plate-type filters 7. The dust removal unit comprises a conical dust hood 2 and a plate type filter 7, the installation space is small, and the overhaul and maintenance are convenient. The panel filter 7 is also referred to or replaced by a pleated filter 7 or pleated filter panel. A dust hood 2 is arranged at the top of the material guide chute 1 in a covering manner, and a dust hood 2 is arranged belowThere is the wide-mouth that is used for admitting air, and branch tuber pipe and total tuber pipe 4 intercommunication are passed through to the top of suction hood 2, and filter 7 sets up and makes in the gas that gets into from the wide-mouth flows to total tuber pipe 4 after being filtered in suction hood 2, total tuber pipe 4 and fan 6 intercommunication. After the plate-type filter 7 is installed in the conical dust hood 2, a clean room is formed in the cone of the conical dust hood 2 and is communicated with the branch air pipe. The dust removal unit is equipped with at least one, and when being equipped with a plurality of dust removal units, a plurality of dust removal units are single-row or biserial along the length direction of baffle box 1 and arrange, and a plurality of dust removal units and total tuber pipe 4 parallelly connected intercommunication. The closer to the fan 6, the larger the diameter of the total air duct 4,
the dust removal unit sets up on baffle box 1, through total tuber pipe 4 and fan 6 intercommunication, can set up a dust removal unit, also can set up a plurality ofly, and the dust removal unit is installed to convenient coal dust volume according to baffle box 1, and equipment is smaller and more exquisite, invests in and reduces. When the fan 6 works, coal dust is sucked into the dust hood from the wide opening and filtered by the filter 7, and the coal dust cannot enter the main air pipe 4, so that pipeline blockage can be avoided. As the coal dust is filtered nearby the dust removal unit, compared with the existing dust remover, the dust remover does not need to convey for a longer distance, so that the pipe distribution is simpler, and the investment on equipment is further reduced.
In the present embodiment, a drawer opening is provided at a side portion of the dust hood 2, and the filter 7 is inserted into the drawer opening, which is similar to a sliding screen window in structure. The filter 7 is detachably connected with the dust hood 2, and can be detachably connected with other parts instead of being fixed in a plug-in manner. The drawer-type detachable mode is adopted, so that the filter 7 can be replaced conveniently, or the old filter 7 can be cleaned and maintained comprehensively. In a preferred scheme, the rubber pad 8 is arranged at the edge of the filter 7, after the filter 7 is inserted into the drawer opening, the relative position of the filter 7 in the drawer opening is fixed through four compression screws, at the moment, the rubber pad 8 is sealed with the drawer opening, the air draft of the fan 6 is prevented from being wasted, and therefore air containing coal dust can be sucked from the upper side of the material guide groove 1 more effectively.
In the present embodiment, as shown in fig. 1, the dust hood 2 is covered at the top middle part of the material guiding chute 1, which is a single-row arrangement form of a plurality of dust removing units; as shown in fig. 3, the dust hood 2 is covered on the top edge of the material guiding chute 1, and a plurality of dust removing units are arranged in two rows. In the present application, the arrangement of the single row or the double row is not limited, and the arrangement of three or more rows may be adopted, and the specific number of the dust removing units and the ventilation amount of the fan 6 are determined according to the size of the single dust removing unit, the filtering area, the ventilation amount, the size of the material guide chute 1 and the coal dust content.
In this embodiment, a conical nozzle (not shown) is provided in the dust hood 2, the nozzle is located on the side of the filter 7 away from the wide opening, the nozzle is communicated with the air pipe, and the nozzle faces the filter 7. When compressed air is introduced into the air pipe, the air flow with higher ejection speed is ejected out of the nozzle to blow the filter 7, so that the service life of the filter 7 is prolonged. In a preferred scheme, the dust removal unit also includes pulse solenoid valve 3, and pulse solenoid valve 3 is fixed in the outside of suction hood 2, and pulse solenoid valve 3 concatenates on the trachea, through the break-make of pulse solenoid valve 3 steerable trachea, when sweeping moreover, can also form the pulse and spray, clean more thoroughly. In order to avoid the blowing, the gas flows to the fan 6 along the main air pipe 4 to block the main air pipe 4 or the fan 6, the dust removal unit further comprises a pneumatic butterfly valve 5, the pneumatic butterfly valve 5 is connected in series with the branch air pipe, when the pulse electromagnetic valve 3 is opened, or when the blowing process starts, the pneumatic butterfly valve 5 is closed to close the branch air pipe, and therefore the blowing gas is prevented from carrying coal dust to enter the main air pipe 4.
The embodiment of the negative pressure dust collection dust remover aims at a combined dust remover which is arranged on a material guide chute in material transfer by using a belt conveyor. The dust generated by the material due to the fall in the transfer process is directly sucked away, filtered by the filter and discharged in a clean gas chamber for cyclic utilization. The dust removal unit is directly arranged on the upper cover of the material guide groove, the dust removal fan is also arranged on the material guide groove, the requirement on the space height above the material guide groove is not high, and the height is only 80 cm. The filtering area of a single filter is 10 square meters, and the lowest filtering air quantity is 600m3H is used as the reference value. For a belt with the width of 1.5 meters in a power plant, the dust removal requirement in the guide chute can be met by combining 8 dust removal units.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a negative pressure dust absorption dust remover, its characterized in that, includes fan, total tuber pipe and dust removal unit, the dust removal unit includes suction hood and filter, the top of baffle box is located to the suction hood cover, the suction hood below is equipped with the wide-mouth that is used for admitting air, the top of suction hood with the total tuber pipe intercommunication, the filter set up in make in the suction hood follow the gas that the wide-mouth got into flows extremely after being filtered in the total tuber pipe, the total tuber pipe with the fan intercommunication.
2. The vacuum cleaner as claimed in claim 1, wherein the dust removing unit is provided with at least one, and when a plurality of dust removing units are provided, the plurality of dust removing units are arranged in a single row or a double row along a length direction of the material guide chute, and the plurality of dust removing units are communicated in parallel with the main air duct.
3. The vacuum cleaner as claimed in claim 1 or 2, wherein a drawer opening is provided at a side portion of the suction hood, and the filter is inserted into the drawer opening.
4. The vacuum cleaner of claim 3, wherein a rubber gasket is disposed at the edge of the filter, and the rubber gasket seals the drawer opening.
5. The vacuum cleaner of claim 1 or 2, wherein the suction hood is in communication with the main duct via a branch duct.
6. The vacuum cleaner of claim 5, wherein a nozzle is disposed in the suction hood, the nozzle being located on a side of the filter remote from the wide opening, the nozzle being in communication with an air duct to purge the filter.
7. The vacuum cleaner as claimed in claim 6, wherein the dust removing unit further comprises a pulse solenoid valve, the pulse solenoid valve is fixed on the outer side of the dust hood, and the pulse solenoid valve is connected in series to the air pipe to control on/off.
8. The vacuum cleaner as claimed in claim 7, wherein the dust removing unit further comprises a pneumatic butterfly valve connected in series with the branch duct to control on/off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121185442.XU CN214919079U (en) | 2021-05-28 | 2021-05-28 | Negative pressure dust suction and dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121185442.XU CN214919079U (en) | 2021-05-28 | 2021-05-28 | Negative pressure dust suction and dust removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214919079U true CN214919079U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121185442.XU Active CN214919079U (en) | 2021-05-28 | 2021-05-28 | Negative pressure dust suction and dust removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214919079U (en) |
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2021
- 2021-05-28 CN CN202121185442.XU patent/CN214919079U/en active Active
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