CN112973325B - Agglomerated dust separator for dust collector - Google Patents
Agglomerated dust separator for dust collector Download PDFInfo
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- CN112973325B CN112973325B CN201911298085.5A CN201911298085A CN112973325B CN 112973325 B CN112973325 B CN 112973325B CN 201911298085 A CN201911298085 A CN 201911298085A CN 112973325 B CN112973325 B CN 112973325B
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- dust
- water
- dust collection
- spraying
- collection cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The agglomerated dust separator for the dust collector comprises a dust collection cylinder (1), wherein the dust collection cylinder (1) is provided with an air inlet (11) and an air outlet (12), the air inlet (11) tangentially enters the inner cavity of the dust collection cylinder (1), and the agglomerated dust separator is characterized in that a liquid spraying mechanism capable of spraying liquid to the inner cavity of the dust collection cylinder (1) is arranged on the dust collection cylinder (1). The dust-containing gas contacts with the supersaturated water, so that dust particles are wet and coalesced to be enlarged or water absorption to be enlarged, and then gravity settling or centrifugal settling is carried out, thereby achieving the purpose of separating the dust-containing gas. Meanwhile, the water mist drops to the bottom of the dust suction cylinder to have an agglomeration effect on the separated dust in the inner cavity, so that secondary pollution is prevented.
Description
Technical Field
The invention relates to a dust suction device, in particular to a dust collecting and separating device applied to a dust collector.
Background
Cyclone separation technique is more common in the dust catcher application, and its rationale is that air current and dust mixture get into the cavity along cylinder tangential direction, rotate along the cylinder, and wherein great dust of weight and particulate matter fall to the container bottom because centrifugal action and cavity inner wall carry out collision friction and reduce speed to accomplish the air filtration process.
The related documents can refer to the patent application publication of chinese invention with application number 200510008773.5 "cyclone tube dust collector and the dust collector including the cyclone tube dust collector" (publication number CN 1695538A); chinese utility model patent No. 201120203087.4, cyclone dust collector cup (publication No. CN 202136278U). However, the structure disclosed in the above document has insufficient agglomeration, so that the settled dust can be lifted up again to the air flow to be carried out to the outside due to the turbulent flow at the bottom of the container, thereby forming secondary pollution.
Disclosure of Invention
The invention aims to solve the technical problem of providing a separator for a dust collector, which can improve dust agglomeration.
The technical scheme adopted by the invention for solving the technical problems is as follows: the agglomerated dust separator for the dust collector comprises a dust collection cylinder, wherein the dust collection cylinder is provided with an air inlet and an air outlet, the air inlet tangentially enters an inner cavity of the dust collection cylinder, and the agglomerated dust separator is characterized in that a liquid spraying mechanism capable of spraying liquid to the inner cavity of the dust collection cylinder is arranged on the dust collection cylinder.
Preferably, the air outlet is arranged in the axial direction of the dust suction tube.
Furthermore, a straight pipe extends inwards from the air outlet of the dust suction cylinder.
The liquid spraying mechanism can adopt the following three types:
first, the liquid spraying mechanism comprises
The water pump is arranged at the lower end of the dust suction cylinder;
the water inlet end of the water delivery pipe is connected with the water pump; and
the spray arm is hollow and provided with a water spray hole; can be rotatably arranged on the water delivery pipe.
Utilize the water pump to drive the spray arm and go up to the top blowout water smoke, dusty gas and water contact, and the dust particle is moist and reunion becomes large granule or pelletizing, subsides through gravity and centrifugation, and sewage is saved in the bottom, and water recycles, changes after a period.
Further, an annular blocking ring is arranged on the inner wall of the middle of the dust collection barrel, the inner space of the dust collection barrel is divided into a spraying area and a water recovery area by the blocking ring, the spraying arm is located in the spraying area, and the water pump is located in the water recovery area and located in the center of the blocking ring.
Furthermore, the water inlet end of the water pump is provided with a filter.
Furthermore, the blocking ring is gradually sunken from the outer ring to the inner ring.
The water spraying holes at least have first spraying holes which are obliquely sprayed.
The water spraying hole is also provided with a second spraying hole which is vertical to the rotating surface of the spraying arm to spray. The water flow jetted obliquely upwards can generate a driving force for rotating the spray arm at the same time of jetting. Thereby achieving the function of spraying water mist while rotating.
Second, the liquid spraying mechanism comprises
The spraying plate is arranged in the inner cavity of the dust collection cylinder to divide the inner cavity of the dust collection cylinder into a liquid inlet area and a liquid spraying area, and the spraying plate is provided with a nozzle; and
and the water pump is communicated with the liquid inlet area of the dust suction cylinder through the injection pipe.
The water pump generates pressure to spray atomized liquid downwards, when the atomized liquid contacts with dust-containing gas, the dust-containing gas contacts with water, the dust particles are wet and agglomerated into large particles or pellets, and the particles such as water, dust and the like flow to the sewage collecting area through gravity and centrifugal sedimentation.
The liquid spraying area of the dust suction cylinder is internally provided with a liquid guide plate, and the lower end of the tip on the liquid guide plate is in a cone shape.
And thirdly, the liquid spraying mechanism comprises a water pump and an injection pipe, the liquid inlet end of the injection pipe is connected with the water pump, and a spray opening is formed at the position, close to the air inlet, of the injection pipe. The periphery of the air inlet is provided with a jet orifice, the negative pressure generated by high-speed airflow at the periphery of the air inlet is utilized to suck out and atomize liquid in the nozzle, dust-containing gas is contacted with water, dust particles are wet and agglomerated into large particles or pellets, and the particles such as water, dust and the like are enabled to flow to a sewage collecting area through gravity and centrifugal sedimentation.
Preferably, the air inlet is provided with an air inlet pipe, the injection pipe is at least provided with a liquid spraying section, the liquid spraying section is arranged around the periphery of the air inlet pipe, and a gap between the inner wall of the liquid spraying section and the outer wall of the air inlet pipe forms an annular jet orifice.
Compared with the prior art, the invention has the advantages that: the dust-containing gas contacts with the supersaturated water, so that dust particles are wet and coalesced to be enlarged or water absorption to be enlarged, and then gravity settling or centrifugal settling is carried out, thereby achieving the purpose of separating the dust-containing gas. Meanwhile, the water mist drops to the bottom of the dust suction cylinder to have an agglomeration effect on the separated dust in the inner cavity, so that secondary pollution is prevented.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is a perspective sectional view of fig. 1.
Fig. 3 is an enlarged view of the spray arm in example 1.
Fig. 4 is a schematic structural diagram of embodiment 2.
Fig. 5 is a perspective sectional view of fig. 4.
FIG. 6 is a schematic structural diagram of embodiment 3.
Fig. 7 is a perspective sectional view of fig. 6.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Embodiment 1, as shown in fig. 1 and 2, the agglomerated dust separator for a vacuum cleaner in this embodiment includes a dust collection cylinder 1 and a liquid spraying mechanism, the dust collection cylinder 1 has an air inlet 11 and an air outlet 12, the air inlet 11 tangentially enters an inner cavity of the dust collection cylinder 1, and the air outlet 12 is disposed in the axial direction of the dust collection cylinder 1. The air outlet 12 of the dust suction tube 1 extends inwards to form a straight pipe 121.
The liquid spraying mechanism is arranged on the dust collection cylinder 1 and can spray liquid to the inner cavity of the dust collection cylinder 1, the liquid spraying mechanism in the embodiment comprises a water pump 2, a water delivery pipe 21, a filter 22, a spraying arm 3 and a shell 23, and the water pump 2 is arranged at the lower end of the dust collection cylinder 1; the water inlet end of the water pump 2 is provided with a filter 22. The water inlet end of the water delivery pipe 21 is connected with the water pump 2; the spray arm 3 is hollow and provided with a water spray hole; is rotatably arranged on the water delivery pipe 21.
The inner wall of the middle part of the dust collection barrel 1 in the embodiment is provided with an annular blocking ring 13, and the blocking ring 13 is gradually sunken from the outer ring to the inner ring. The inner space of the dust collection cylinder 1 is divided into a spraying area and a water recovery area by the blocking ring 13, the spraying arm 3 is positioned in the spraying area, and the water pump 2 is positioned in the water recovery area and is positioned at the center of the blocking ring 13.
The water spray holes include a group of first spray holes 31 which are obliquely emitted and another group of second spray holes 32 which are emitted perpendicularly to the rotating surface of the spray arm 3.
Through the principle of acting force and reacting force, the water flow sprayed obliquely upwards can generate a driving force for rotating the spraying arm while spraying. Thereby achieving the function of spraying water mist while rotating.
Utilize the water pump to drive the spray arm and go up the blowout water smoke, rotate through side direction spout drive spray arm simultaneously, dusty gas contacts with water, and the dust particle is moist and reunion becomes large granule or pelletizing, subsides through gravity and centrifugation, and sewage is saved in the bottom, passes through the filter of below again, filters sewage to improve the filter effect, reach dusty gas separation's purpose. Meanwhile, secondary pollution is prevented.
In embodiment 2, as shown in fig. 4 and 5, the liquid spraying mechanism in this embodiment includes a spraying plate 5 and a water pump 2, the spraying plate 5 is disposed in the cavity of the dust collection cylinder 1 to divide the cavity of the dust collection cylinder 1 into a liquid inlet area and a liquid spraying area, and the spraying plate 5 is provided with a nozzle 51; the water pump 2 is connected with a water inlet pipe 26, and the water pump 2 is communicated with the liquid inlet area of the dust suction cylinder 1 through an injection pipe 24. A liquid guide plate 6 is arranged in the liquid spraying area of the dust suction cylinder 1, and the width of the lower end of the tip of the liquid guide plate 6 is in a cone shape. In this embodiment, the dust collection cylinder 1 may be provided with a water outlet (not shown) so that the sprayed water can be smoothly discharged out of the dust collection cylinder, and the rest of the structure is as in embodiment 1.
The water pump produces pressure, and the atomizing liquid of spout downwards, when atomizing liquid and dirty gas contact, dirty gas and water contact, and the dust particle is moist and reunion becomes large granule or pelletizing, subsides through gravity and centrifugation, makes granule commodity circulation such as water and dust to sewage collecting region to prevent secondary pollution.
The periphery of the air inlet is provided with a jet orifice, the negative pressure generated by high-speed airflow at the periphery of the air inlet is utilized to suck out and atomize liquid in the nozzle, dust-containing gas is contacted with water, dust particles are wet and agglomerated into large particles or pellets, and the particles such as water, dust and the like are enabled to flow to a sewage collecting area through gravity and centrifugal sedimentation.
Claims (4)
1. An agglomerated dust separator for a dust collector comprises a dust collection cylinder (1), wherein the dust collection cylinder (1) is provided with an air inlet (11) and an air outlet (12), the air inlet (11) tangentially enters the inner cavity of the dust collection cylinder (1), and the agglomerated dust separator is characterized in that a liquid spraying mechanism capable of spraying liquid to the inner cavity of the dust collection cylinder (1) is arranged on the dust collection cylinder (1);
the liquid spraying mechanism comprises
The water pump (2) is arranged at the lower end of the dust suction cylinder (1);
the water inlet end of the water delivery pipe (21) is connected with the water pump (2); and
the spray arm (3) is hollow and provided with a water spray hole; can be rotatably arranged on the water delivery pipe (21);
the inner wall of the middle part of the dust collection barrel (1) is provided with an annular blocking ring (13), the inner space of the dust collection barrel (1) is divided into a spraying area and a water recovery area by the blocking ring (13), the spraying arm (3) is positioned in the spraying area, and the water pump (2) is positioned in the water recovery area and is positioned in the center of the blocking ring (13);
the blocking ring (13) is gradually sunken from the outer ring to the inner ring;
the water spraying hole is at least provided with a first spraying hole (31) which is obliquely sprayed;
the water spraying hole is also provided with a second spraying hole (32) which is vertical to the rotating surface of the spraying arm (3) to spray.
2. The agglomerated dust separator of claim 1, wherein said outlet (12) is provided in the axial direction of said dust collection tube (1).
3. The agglomerated dust separator for a vacuum cleaner according to claim 2, wherein the air outlet (12) of said dust collection cylinder (1) has a straight pipe (121) extending inwardly.
4. The agglomerated dust separator for a vacuum cleaner according to claim 1, wherein the water inlet end of said water pump (2) is provided with a filter (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911298085.5A CN112973325B (en) | 2019-12-17 | 2019-12-17 | Agglomerated dust separator for dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911298085.5A CN112973325B (en) | 2019-12-17 | 2019-12-17 | Agglomerated dust separator for dust collector |
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| Publication Number | Publication Date |
|---|---|
| CN112973325A CN112973325A (en) | 2021-06-18 |
| CN112973325B true CN112973325B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911298085.5A Active CN112973325B (en) | 2019-12-17 | 2019-12-17 | Agglomerated dust separator for dust collector |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096475A (en) * | 1989-10-18 | 1992-03-17 | Rexair, Inc. | Separator for a vacuum cleaner system |
| CN105056669A (en) * | 2015-09-14 | 2015-11-18 | 叶宏 | Water curtain type special dust remover for biomass |
| CN105664626A (en) * | 2016-04-22 | 2016-06-15 | 杭州云蜂工业设计有限公司 | Air purifier adopting water curtain for filtration |
| KR20180053850A (en) * | 2016-11-14 | 2018-05-24 | 한국에너지기술연구원 | Wet Type Dust Collector Using Electrospray and Vortex |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6087009B1 (en) * | 2016-04-01 | 2017-03-01 | 株式会社アフレアー | Dust collection method, dust collection device and laser processing machine |
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2019
- 2019-12-17 CN CN201911298085.5A patent/CN112973325B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096475A (en) * | 1989-10-18 | 1992-03-17 | Rexair, Inc. | Separator for a vacuum cleaner system |
| CN105056669A (en) * | 2015-09-14 | 2015-11-18 | 叶宏 | Water curtain type special dust remover for biomass |
| CN105664626A (en) * | 2016-04-22 | 2016-06-15 | 杭州云蜂工业设计有限公司 | Air purifier adopting water curtain for filtration |
| KR20180053850A (en) * | 2016-11-14 | 2018-05-24 | 한국에너지기술연구원 | Wet Type Dust Collector Using Electrospray and Vortex |
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| CN112973325A (en) | 2021-06-18 |
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