CN112973297B - All-round negative pressure adsorption's dust collection box - Google Patents
All-round negative pressure adsorption's dust collection box Download PDFInfo
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- CN112973297B CN112973297B CN202110336663.0A CN202110336663A CN112973297B CN 112973297 B CN112973297 B CN 112973297B CN 202110336663 A CN202110336663 A CN 202110336663A CN 112973297 B CN112973297 B CN 112973297B
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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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0035—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by wetting, e.g. using surfaces covered with oil
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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
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
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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
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
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Abstract
The invention discloses an omnibearing negative pressure adsorption dust collection box which comprises a dust collection box with an opening at the upper part, wherein when a dust collection bag is accommodated in a cavity, the rubber sealing edge is inflated to expand and deform the rubber sealing edge so as to be filled and sealed between the dust collection box and the dust collection bag, at the moment, a sealed cavity is formed between the dust collection bag and the inner part of the dust collection box, water and air exist in the cavity in the dust collection box, negative pressure is generated when air in the cavity is sucked out, negative pressure suction force is transmitted to the surface of the dust collection bag through a first hole and a second hole, the bottom and the periphery of the dust collection bag are adsorbed and fixed so as to support the dust collection bag, at the moment, only water exists in the cavity, the water is filled between the dust collection box and the dust collection bag, the water can be in good contact with the outer surface of the dust collection bag, the water is adsorbed to stabilize the dust collection bag, the dust collection bag is not easy to swing when external dust enters the dust collection bag, and dust in the dust collection bag is not easy to secondary uplift and flow back.
Description
Technical Field
The invention relates to the technical field of dust collection boxes, in particular to an all-dimensional negative pressure adsorption dust collection box.
Background
The equipment for separating industrial dust from flue gas by the industrial dust removal system box is called an industrial dust remover or industrial dust removal equipment. The performance of a precipitator is expressed in terms of the amount of gas that can be treated, the drag loss of the gas as it passes through the precipitator, and the efficiency of dust removal. The dust collection system is widely applied to recycling of workshop dust purification bodies and dust-containing gas in industries such as metallurgy, mines, building materials, machining, boilers, flour production and the like, and particularly, the collection box of the dust collection system box is used for collecting impurities such as dust.
In the prior art, a dust bag (disposable bag) needs to be sleeved in advance when the collecting box is used, but the dust bag cannot be unfolded completely due to the fact that the quality of the dust bag is light and is prone to being interfered to generate wrinkles, and the use of the dust bag is affected.
Therefore, the dust collection box with the omnibearing negative pressure adsorption function is provided for solving the problems.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an all-dimensional negative pressure adsorption dust collection box which comprises a dust collection box with an opening at the upper part, wherein water and air exist in a cavity inside the dust collection box, negative pressure is generated when the air in the cavity is sucked out, negative pressure suction force is transmitted to the surface of a dust collection bag through a first hole and a second hole, the bottom and the periphery of the dust collection bag are fixed in an adsorption mode, and then the dust collection bag is supported.
In order to achieve the above object, the present invention provides an all-directional negative pressure adsorption dust collecting box, comprising:
the dust collection box is provided with a cavity used for containing a dust collection bag, a partition plate is arranged at the bottom of the cavity and divides the bottom of the cavity into a first adsorption cavity used for storing water and air, a reinforcing strip is arranged on the inner wall of the cavity, a second adsorption cavity used for storing water and air is arranged inside the reinforcing strip and is communicated with the first adsorption cavity, multiple groups of second holes communicated with the first adsorption cavity are formed in the surface of the partition plate, multiple groups of first holes communicated with the second adsorption cavity are formed in the reinforcing strip, when the dust collection bag is contained in the cavity, air in the first adsorption cavity and the second adsorption cavity is discharged to adsorb and fix the surface of the dust collection bag, and water in the first adsorption cavity and the second adsorption cavity is filled between the inner wall of the cavity and the dust collection bag and adsorbs the surface of the dust collection bag.
In a further preferred embodiment of the present invention, the dust collecting box has a rubber sealing edge which is sealed between the dust collecting box and the dust collecting bag and is elastically deformable, and the rubber sealing edge expands and deforms to fill a gap between the outer ring of the opening of the dust collecting bag and the dust collecting box when the dust collecting bag is placed in the chamber.
In this embodiment, when the dust bag is accommodated in the chamber, the rubber sealing edge is expanded and deformed by inflating the rubber sealing edge to be filled and sealed between the dust box and the dust bag, at this time, a sealed chamber is formed between the dust bag and the inside of the dust box, water and air exist in the chamber inside the dust box, negative pressure is generated when air in the chamber is sucked out, the negative pressure suction force is transmitted to the surface of the dust bag through the first hole and the second hole, the bottom and the periphery of the dust bag are adsorbed and fixed, and then the dust bag is propped up, at this time, only water exists in the chamber and is filled between the dust box and the dust bag, the water can be in good contact with the outer surface of the dust bag, the water and the outer surface of the dust bag attract each other to stabilize the dust bag, the dust bag is not easy to swing when external dust enters the dust bag, the dust in the dust bag is not easy to be secondarily lifted up and reflowed, in the device, one side of the rubber sealing edge can be connected with an air pump device such as an air pump to realize the inflation and suction of the rubber sealing edge.
As a further optimization of the above scheme, a side plate is fixedly arranged on the upper side surface of the dust collection box, and an outer connecting hole communicated with the upper part of the second adsorption cavity is formed in the surface of the side plate.
It should be noted that the equipment for sucking air in the chamber is connected to the opening of the external connection hole, so that the operation is convenient, and when the chamber is charged with air again, the dust bag is separated from water, so that the dust bag can be taken out conveniently to clean the dust collected in the dust bag.
According to the scheme, the side plate is further optimized, a high-position pipe is arranged on one side of the side plate, a power unit for providing suction force is arranged above the high-position pipe, and an external pipe matched and clamped with the external hole is arranged at the lower end of the high-position pipe.
Further, the power unit can use devices such as an air pump, and when the power unit provides suction force, the suction force is transmitted to the first adsorption cavity and the second adsorption cavity sequentially through the high-level pipe, the external connecting pipe and the external connecting hole.
As a further optimization of the above scheme, a rubber sleeve is arranged inside the high-position pipe, an air channel which penetrates through the high-position pipe from top to bottom and is of a funnel structure is arranged on the upper surface of the rubber sleeve, the rubber sleeve divides the inside of the high-position pipe into a first cavity and a second cavity which are distributed from top to bottom, the upper end of the first cavity is communicated with the power unit, and the lower end of the second cavity is communicated with the external pipe.
Specifically, in order not to suck water out when the power unit sucks air in the cavity, a first cavity, a second cavity and a rubber sleeve between the first cavity and the second cavity are arranged in the high-position pipe, and when water enters the first cavity, a vent groove in the middle of the rubber sleeve is closed, so that air in the cavity is completely sucked out.
As a further optimization of the above scheme, a magnetic lifting block which can be lifted and can seal the air vent groove in the middle of the rubber sleeve when the rubber sleeve descends is arranged above the rubber sleeve in a suspending manner, the diameter of the magnetic lifting block is smaller than that of the inner wall of the high-position pipe, and an inclined plane matched and attached with the surface of the air vent groove is arranged at the outer ring of the magnetic lifting block.
In this embodiment, when water enters the first chamber, the water is pressed on the upper surface of the magnetic lifting block, and when the gravity of the water reaches the bearing limit of the magnetic lifting block, the magnetic lifting block is pressed down to seal the vent groove, and at this time, only water exists in the chamber inside the dust collection box.
As a further optimization of the above scheme, a second support fixed on the inner wall of the high-position pipe is arranged at the upper end of the rubber sleeve, a second magnetic block is arranged in the middle of the second support, a first support is fixedly arranged on the inner wall of the lower end of the vent groove, a first magnetic block which corresponds to the lower portion of the second magnetic block and is far away from the second magnetic block in a repelling manner is fixedly arranged in the middle of the first support, and the magnetic lifting block, the second magnetic block and the first magnetic block are far away in a repelling manner and are suspended between the second magnetic block and the first magnetic block.
It should be noted that the second magnetic block and the first magnetic block ensure that the magnetic lifting block is suspended between the second magnetic block and the first magnetic block, the vent groove is opened when the power unit normally sucks air out of the cavity in the dust collection box, the magnetic lifting block is pressed to descend under the gravity action of water to close the vent groove when water enters the upper part of the magnetic lifting block, and at the moment, the water in the cavity cannot be sucked out.
As a further optimization of the scheme, a pressure regulating hole which penetrates through the rubber sleeve is formed in the side face, located on the high-position pipe, above the rubber sleeve, and a pressure regulating valve is arranged in the pressure regulating hole.
Furthermore, when the dust bag is in the dust collection box, the dust bag can be separated by inflating the chamber when the dust bag needs to be taken out, the upper part of the magnetic lifting block is blocked by water, and the power unit is blocked by the magnetic lifting block when blowing air into the second chamber, so that the pressure regulating hole is formed, water above the magnetic lifting block can flow out when the pressure regulating valve in the pressure regulating hole is opened, the magnetic lifting block returns to a suspension state and then closes the pressure regulating valve, the power unit can smoothly inflate the chamber in the dust collection box at the moment, and the pressure regulating valve can use a solenoid valve and other devices.
The omnibearing negative pressure adsorption dust collection box has the following beneficial effects:
1. the invention relates to an omnibearing negative pressure adsorption dust collection box, which comprises a dust collection box with an opening at the upper part, wherein a cavity for containing a dust collection bag is arranged inside the dust collection box, a partition plate is arranged at the bottom of the cavity and divides the bottom of the cavity into a first adsorption cavity for storing water and air, a reinforcing strip is arranged on the inner wall of the cavity, a second adsorption cavity for storing water and air is arranged inside the reinforcing strip, when the dust collection bag is contained in the cavity, the rubber sealing edge is inflated to expand and deform to be filled and sealed between the dust collection box and the dust collection bag, at the moment, a sealing cavity is formed between the dust collection bag and the inside of the dust collection box, water and air exist in a cavity inside the dust collection box, negative pressure is generated when the air in the cavity is sucked out, the negative pressure suction force is transmitted to the surface of the dust collection bag through the first hole and the second hole, the bottom and the periphery of the dust collection bag are fixedly adsorbed, and then the dust collection bag is supported;
2. according to the omnibearing negative pressure adsorption dust collection box, in order not to suck water out when the power unit sucks air in the cavity, the first cavity, the second cavity and the rubber sleeve between the first cavity and the second cavity are arranged in the high-level pipe, when water enters the first cavity, the vent groove in the middle of the rubber sleeve is closed, and the air in the cavity is completely sucked out;
3. the invention relates to an all-dimensional negative pressure adsorption dust collection box.
There have been disclosed in detail certain embodiments of the invention with reference to the following description and drawings, and it is to be understood that the embodiments of the invention are not limited thereby, but are intended to cover within the spirit and scope of the appended claims, many changes, modifications, and equivalents.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the side panel structure of the present invention;
FIG. 4 is a front view of the present invention;
fig. 5 is a schematic view of the internal structure of the high-position pipe according to the present invention.
In the figure: the device comprises a dust collection box 1, a rubber sealing edge 2, a partition plate 3, a reinforcing strip 4, a first hole 5, a second hole 6, a side plate 7, an external connection hole 8, a high-position pipe 9, a power unit 10, a first chamber 11, a second chamber 12, an external connection pipe 13, a first magnetic block 14, a first support 15, a rubber sleeve 16, a ventilation groove 17, an inclined surface 18, a magnetic lifting block 19, a second support 20, a second magnetic block 21, a pressure regulating hole 22 and a pressure regulating valve 23.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by the embodiments in the drawings. It should be understood, however, that the detailed description herein of specific embodiments is intended to illustrate the invention and not to limit the scope of the invention.
It should be noted that when an element is referred to as being "disposed on," or provided with "another element, it can be directly on the other element or intervening elements may also be present, when an element is referred to as being" connected, "or coupled to another element, it can be directly on the other element or intervening elements may be present, and" fixedly coupled "means that the element is fixedly coupled in many ways, which are not intended to be within the scope of the present disclosure, the terms" vertical, "" horizontal, "" left, "" right, "and the like are used herein for illustrative purposes only and are not intended to be a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items;
referring to the attached fig. 1-5 of the specification, the invention provides a technical scheme: an all-round negative pressure adsorption dust collection box, includes:
the dust collection box comprises a dust collection box 1 with an opening at the upper part, a cavity for containing a dust collection bag is arranged inside the dust collection box 1, a partition plate 3 is arranged at the bottom of the cavity, the partition plate 3 partitions the bottom of the cavity into a first adsorption cavity for storing water and air, a reinforcing strip 4 is arranged on the inner wall of the cavity, a second adsorption cavity for storing water and air is arranged inside the reinforcing strip 4 and is communicated with the first adsorption cavity, a plurality of groups of second holes 6 communicated with the first adsorption cavity are formed in the surface of the partition plate 3, a plurality of groups of first holes 5 communicated with the second adsorption cavity are formed in the reinforcing strip 4, when the dust collection bag is contained in the cavity, air in the first adsorption cavity and the second adsorption cavity is discharged to adsorb and fix the surface of the dust collection bag, and water in the first adsorption cavity and the second adsorption cavity is filled between the inner wall of the cavity and the dust collection bag and adsorbs the surface of the dust collection bag.
The bottom of the partition board 3 is provided with a cross convex board, so that the partition board 3 is convenient to be movably placed in the dust collection box 1 and has a certain gap with the bottom of the dust collection box 1.
The upper part of the dust collection box 1 is provided with a rubber sealing edge 2 which is sealed between the dust collection box 1 and a dust collection bag and can be elastically deformed, and when the dust collection bag is placed in the cavity, the rubber sealing edge 2 expands and deforms to fill the gap between the outer ring of the opening part of the dust collection bag and the dust collection box 1.
In this embodiment, when the dust collecting bag is accommodated in the chamber, the rubber sealing edge 2 is inflated to deform so as to fill and seal between the dust collecting box 1 and the dust collecting bag, at this time, a sealed chamber is formed between the dust collecting bag and the inside of the dust collecting box 1, water and air exist in the chamber inside the dust collecting box 1, negative pressure is generated when air in the chamber is sucked out, the negative pressure suction force is transmitted to the surface of the dust collecting bag through the first hole 5 and the second hole 6, the bottom and the periphery of the dust collecting bag are adsorbed and fixed, and then the dust collecting bag is supported, at this time, only water exists in the chamber, the water is filled between the dust collecting box 1 and the dust collecting bag, the water can be in good contact with the outer surface of the dust collecting bag, the water and the outer surface of the dust collecting bag are sucked to stabilize the dust collecting bag, the dust collecting bag is not prone to swing when external dust enters the dust collecting bag, dust in the dust collecting bag is not prone to secondary lifting and backflow, in the device, one side of the rubber sealing edge 2 can be connected with devices such as an air pump to achieve air inflation and suction of the rubber sealing edge 2.
A side plate 7 is fixedly arranged on the side surface above the dust collection box 1, and an external hole 8 communicated with the upper part of the second adsorption cavity is arranged on the surface of the side plate 7.
It should be noted that the equipment for sucking air in the chamber is connected to the opening of the external connection hole 8, so that the operation is convenient, and when the chamber is charged with air again, the dust bag is separated from water, so that the dust bag can be taken out conveniently to clean the dust collected in the dust bag.
One side of curb plate 7 is provided with high-order pipe 9, and the top of high-order pipe 9 is provided with the power unit 10 that provides suction, and the lower extreme of high-order pipe 9 is provided with the external pipe 13 that matches the block with external hole 8.
Further, the power unit 10 may use an air pump or the like, and when the power unit 10 provides suction force, the suction force is transmitted to the first adsorption cavity and the second adsorption cavity through the high-level pipe 9, the external connection pipe 13 and the external connection hole 8 in sequence.
The inside of high-position pipe 9 is provided with rubber sleeve 16, and the upper surface of rubber sleeve 16 is provided with the air channel 17 that runs through from top to bottom and be the funnel structure, and rubber sleeve 16 separates the inside of high-position pipe 9 into upper and lower distribution's first cavity 11, second cavity 12, and the upper end and the power pack 10 intercommunication of first cavity 11, the lower extreme and the outer pipe 13 intercommunication of second cavity 12.
Specifically, in order to prevent water from being sucked out when the power unit 10 sucks air in the cavity, the first cavity 11 and the second cavity 12 and the rubber sleeve 16 between the first cavity 11 and the second cavity 12 are arranged inside the high-level pipe 9, and when water enters the first cavity 11, the ventilation groove 17 in the middle of the rubber sleeve 16 is closed, so that air in the cavity is completely sucked out.
A magnetic lifting block 19 which can lift and seal the air vent groove 17 in the middle of the rubber sleeve 16 when the rubber sleeve 16 descends is arranged above the rubber sleeve 16 in a suspending mode, the diameter of the magnetic lifting block 19 is smaller than that of the inner wall of the high-position pipe 9, and an inclined surface 18 matched and attached to the surface of the air vent groove 17 is arranged at the outer ring of the magnetic lifting block 19.
In this embodiment, when water enters the first chamber 11, the water presses on the upper surface of the magnetic lifting block 19, and when the gravity of the water reaches the bearing limit of the magnetic lifting block 19, the magnetic lifting block 19 is pressed down to seal the air channel 17, and at this time, only water exists in the chamber inside the dust box 1.
The upper end of the rubber sleeve 16 is provided with a second support 20 fixed on the inner wall of the high-level pipe 9, the middle part of the second support 20 is provided with a second magnetic block 21, the inner wall of the lower end of the vent groove 17 is fixedly provided with a first support 15, the middle part of the first support 15 is fixedly provided with a first magnetic block 14 which is correspondingly arranged below the second magnetic block 21 and is in repulsion and far away from the second magnetic block 21, and the magnetic lifting block 19, the second magnetic block 21 and the first magnetic block 14 are in repulsion and far away from each other and are suspended between the second magnetic block 21 and the first magnetic block 14.
It should be noted that the second magnetic block 21 and the first magnetic block 14 ensure that the magnetic lifting block 19 is suspended between the two, the ventilation slot 17 is opened when the power unit 10 normally sucks air out of the internal cavity of the dust collection box 1, and the magnetic lifting block 19 is pressed to descend by the gravity action of water to close the ventilation slot 17 when water enters above the magnetic lifting block 19, at this time, water in the cavity cannot be sucked out.
A pressure regulating hole 22 which penetrates through the inside and the outside is arranged on the side surface of the high-position pipe 9 above the rubber sleeve 16, and a pressure regulating valve 23 is arranged in the pressure regulating hole 22.
Furthermore, when the dust bag is in the dust collection box 1, the dust bag can be separated by inflating the chamber when the dust bag needs to be taken out, the upper part of the magnetic lifting block 19 is blocked by water, the power unit 10 is blocked by the magnetic lifting block 19 when blowing air into the second chamber 12, therefore, the pressure regulating hole 22 is arranged, when the pressure regulating valve 23 in the pressure regulating hole 22 is opened, water above the magnetic lifting block 19 can flow out, the magnetic lifting block 19 returns to a suspension state and then closes the pressure regulating valve 23, at this time, the power unit 10 can smoothly inflate the chamber in the dust collection box 1, and the pressure regulating valve 23 can use a device such as an electromagnetic valve.
The all-round negative pressure adsorption's that this embodiment provided dust collection box, the working process as follows:
when the dust collection bag is accommodated in the cavity, the rubber sealing edge 2 is expanded and deformed by inflating the rubber sealing edge 2 to be filled and sealed between the dust collection box 1 and the dust collection bag, at the moment, a sealed cavity is formed between the dust collection bag and the inside of the dust collection box 1, water and air exist in the cavity inside the dust collection box 1, negative pressure is generated when air in the cavity is sucked out, the negative pressure suction force is transmitted to the surface of the dust collection bag through the first hole 5 and the second hole 6, the bottom of the dust collection bag is fixed with the periphery in an adsorption manner, and then the dust collection bag is supported, at the moment, only water exists in the cavity, the water is filled between the dust collection box 1 and the dust collection bag, the water can be in good contact with the outer surface of the dust collection bag, the water and the outer surface of the dust collection bag are sucked mutually and can stabilize the dust collection bag, when external dust enters the dust collection bag, the dust collection bag is not easy to swing, the dust in the dust collection bag is not easy to be lifted and reflowed for the second time, in the device, one side of the rubber sealing edge 2 can be connected with devices such as an air pump and the like, and the rubber sealing edge 2 can be used for realizing the air suction of the device, and the device can be cleaned conveniently and the practical.
It should be understood that the present invention is not limited to the particular embodiments of the invention, but is intended to cover various modifications, equivalents, and improvements falling within the spirit and scope of the invention.
Claims (5)
1. The utility model provides an all-round negative pressure adsorption's dust collection box which characterized in that includes:
the dust collection box is provided with an opening at the upper part, a cavity for containing a dust collection bag is arranged in the dust collection box, a partition plate is arranged at the bottom of the cavity, the partition plate divides the bottom of the cavity into a first adsorption cavity for storing water and air, a reinforcing strip is arranged on the inner wall of the cavity, a second adsorption cavity for storing water and air is arranged in the reinforcing strip, the second adsorption cavity is communicated with the first adsorption cavity, a plurality of groups of second holes communicated with the first adsorption cavity are arranged on the surface of the partition plate, a plurality of groups of first holes communicated with the second adsorption cavity are arranged on the reinforcing strip, when the dust collection bag is contained in the cavity, air in the first adsorption cavity and the second adsorption cavity is discharged to adsorb and fix the surface of the dust collection bag, and water in the first adsorption cavity and the second adsorption cavity is filled between the inner wall of the cavity and the dust collection bag to adsorb the surface of the dust collection bag; the upper part of the dust collection box is provided with a rubber sealing edge which is sealed between the dust collection box and the dust collection bag and can elastically deform, and when the dust collection bag is placed in the cavity, the rubber sealing edge expands and deforms to fill a gap between the outer ring of the opening part of the dust collection bag and the dust collection box;
a side plate is fixedly arranged on the side surface above the dust collection box, and an external hole communicated with the upper part of the second adsorption cavity is formed in the surface of the side plate;
one side of the side plate is provided with a high-position pipe, a power unit for providing suction is arranged above the high-position pipe, and the lower end of the high-position pipe is provided with an external pipe which is matched and clamped with the external hole.
2. The omnibearing negative pressure adsorption dust collection box according to claim 1, which is characterized in that: the utility model discloses a high-order pipe, including high-order pipe, rubber sleeve, first cavity, second cavity, power unit intercommunication, the lower extreme and the outer pipe intercommunication of second cavity, the inside of high-order pipe is provided with the rubber sleeve, the upper surface of rubber sleeve is provided with the air channel that runs through from top to bottom and be the funnel structure, the rubber sleeve separates the inside of high-order pipe into first cavity, the second cavity that distributes from top to bottom, the upper end and the power unit intercommunication of first cavity, the lower extreme and the outer pipe intercommunication of second cavity.
3. The omnibearing negative pressure adsorption dust collection box according to claim 2, which is characterized in that: the upper portion suspension of rubber sleeve is provided with the liftable and when descending the magnetic lifting block that seals the air duct in rubber sleeve middle part, the diameter of magnetic lifting block is less than high-order pipe inner wall diameter, the outer lane department of magnetic lifting block is provided with the inclined plane of matcing the laminating with the air duct surface.
4. The omnibearing negative pressure adsorption dust collection box according to claim 3, wherein: the upper end of rubber sleeve is provided with the second support of fixing on the high-position pipe inner wall, the middle part of second support is provided with second magnetism piece, the fixed first support that is provided with on the lower extreme inner wall of air channel, the fixed first magnetism piece that is provided with corresponding below the second magnetism piece and keeps away from with the repulsion of second magnetism piece in the middle part of first support, the repulsion keeps away from and suspends between second magnetism piece and first magnetism piece between magnetism elevator and second magnetism piece, first magnetism piece.
5. The all-directional negative pressure adsorption dust collection box of claim 4, which is characterized in that: the side face of the upper portion of the rubber sleeve, which is located on the high-position pipe, is provided with an inner-outer through pressure regulating hole, and a pressure regulating valve is arranged in the pressure regulating hole.
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| CN202110336663.0A CN112973297B (en) | 2021-03-29 | 2021-03-29 | All-round negative pressure adsorption's dust collection box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110336663.0A CN112973297B (en) | 2021-03-29 | 2021-03-29 | All-round negative pressure adsorption's dust collection box |
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| CN112973297B true CN112973297B (en) | 2022-11-22 |
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| CN211585671U (en) * | 2019-12-30 | 2020-09-29 | 南京海风环保科技有限公司 | Dust collection box with negative pressure adsorption function |
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