CN113842728B - Dust remover for ultrafine dust with automatic dust collection and expansion functions - Google Patents
Dust remover for ultrafine dust with automatic dust collection and expansion functions Download PDFInfo
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- CN113842728B CN113842728B CN202111034857.1A CN202111034857A CN113842728B CN 113842728 B CN113842728 B CN 113842728B CN 202111034857 A CN202111034857 A CN 202111034857A CN 113842728 B CN113842728 B CN 113842728B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
- B01D49/02—Separating dispersed particles from gases, air or vapours by other methods by thermal repulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/266—Drying gases or vapours by filtration
Abstract
The invention discloses a dust remover for ultrafine dust with an automatic dust collection expansion function, which comprises a shell, a detection device, a flow guide device and a dust collection device, wherein the shell is connected with the detection device, the detection device is electrically connected with the dust collection device, the flow guide device is connected with the shell, the dust collection device is fixedly connected with the shell, a detection cavity, a working cavity and a dust falling groove are sequentially arranged on the shell, an air inlet pipe is arranged at one end of the detection cavity, which is far away from the working cavity, and communicated with the detection cavity, an air outlet pipe is arranged at one side of the dust falling groove, and communicated with the air outlet pipe, the detection device is arranged in the detection cavity and comprises an electric field generator, a polar plate and an electric heating plate, polar plates are respectively arranged at the upper side and the lower side of the detection cavity, the electric field generator is fixedly connected with the shell, the positive pole end of the electric field generator is connected with the polar plate at the upper side through a wire, the negative pole end of the electric field generator is connected with the polar plate at the lower side through a wire, and the electric heating plate is connected in series on a circuit formed by the electric field generator and the polar plate.
Description
Technical Field
The invention relates to the technical field of dust collectors, in particular to a dust collector for ultrafine dust with an automatic dust collecting and expanding function.
Background
In recent years, with the increasing awareness of environmental protection, more and more enterprises are paying attention to the exhaust emission in the production process. Especially, in some manufacturing industries, a large amount of dust is generated in the production process, and part of the dust is ultrafine dust, the dust is extremely harmful to people and environment, most of large-particle dust can be removed by the existing dry dust collector and wet dust collector through electrostatic adsorption, but the dust removal quality cannot be guaranteed for the ultrafine dust with the particle size less than 5 microns.
Because the particle size of the ultrafine dust is small, the conventional dust remover still has good flowing property after dust removal, and the existing electrostatic dust remover can be used for removing dust by a vibration mechanism and a sound wave removing mechanism, so that the adsorbed ultrafine dust is easy to carry out secondary dust raising, the ultrafine dust is enabled to return to the air flow again, and finally the ultrafine dust escapes from the dust remover to influence the dust collecting efficiency. In addition, because operational environment's influence can carry a large amount of steam in the current dusty air current, makes the dust pass through the steam adhesion at the dust removal work intracavity wall, also can influence dust collection efficiency, and to some dusty air currents that humidity is littleer, the secondary raise dust degree that causes is bigger, inconvenient collection is transported.
Disclosure of Invention
The invention aims to provide a dust remover for ultrafine dust with an automatic dust collecting and expanding function, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a dust remover for superfine dirt with automatic collection dirt expansion work ability, which comprises a housin, detection device, guiding device and dust collecting device, casing and detection device connect, detection device and dust collecting device electricity are connected, guiding device and casing are connected, dust collecting device and casing fastening connection are equipped with in proper order on the casing and detect the chamber, working chamber and dust falling groove, it is equipped with the intake pipe to detect the chamber and keep away from working chamber one end, the intake pipe with detect the chamber intercommunication, dust falling groove one side is equipped with the outlet duct, dust falling groove and outlet duct intercommunication.
The casing is main installation basis, be detection device through the casing, guiding device and dust collecting device install, detect the water content in the flue gas through detection device is automatic, and collect steam through guiding device, according to the water content of the different dirty gas that detects, automatically regulated water yield, thereby soak ultra-fine dust, thereby improve the viscosity between ultra-fine dust, be convenient for carry out the enrichment to ultra-fine dust, make the increase of ultra-fine dust particle diameter, improve the dust removal effect, carry out the lotus electricity to steam and ultra-fine dust respectively through dust collecting device, thereby make inter attraction between steam and ultra-fine dust through the xenogenesis electric charge, improve the infiltration effect, it is main detection space to detect the chamber, the working chamber is main lotus electricity space, to ultra-fine dust lotus electricity in the working chamber.
Further, detection device arranges the detection intracavity in, and detection device includes electric field generator, polar plate and electric plate, and both sides are equipped with the polar plate respectively about detecting the chamber, and electric field generator and casing fastening connection, and the electric field generator positive terminal passes through the wire and links to each other with the polar plate of upside, and electric field generator negative pole end passes through the wire and is connected with the polar plate of downside, and the electric plate is established ties on the circuit that electric field generator and polar plate constitute, and the electric plate is arranged in and is detected the chamber and be close to working chamber one end, and electric field generator, polar plate and electric plate constitute detection circuitry.
Electric field generator is main energy supply device, the two-stage is connected with the polar plate electricity of both sides respectively, thereby the intercommunication forms the circuit, be equipped with insulating gap between two polar plates, under the normality, air gap is too big, can not puncture the intercommunication between two polar plates, form the circuit, when the superfine dust particle of moisture passes through, air gap has been reduced relatively, thereby cause the clearance breakdown, make both sides polar plate intercommunication, make whole circuit switch on, according to different water content, the ion number of free movement is different, the water content is big, the more the ions of having the removal certainly, thereby make the electric current that forms in the circuit big, the water content is more, then need get rid of unnecessary moisture, prevent that the water content is too much, thereby make superfine dust condensation viscosity too big, the adhesion is at the cavity surface, as required, guarantee the basic humidity that the particle is clustered, make the dirt inflation, prevent that the cluster is loose collection efficiency, establish ties on detection circuitry through the electric heat plate, when the electric current is big, the heat that the electric heat board gived off is more, the heat radiation scope that causes is wide, heat radiation range is more the quick air current heats through the specific heat, the steam is little than the specific heat capacity of steam is than the automatic collection of the super fine dust that heats up, thereby it carries out the super fine heat collection to carry out the super fine air current, thereby it is convenient for the super fine heat radiation to the super fine flow to carry out the warm-fine heat radiation, thereby it is convenient for the super fine dust to carry out the super fine heat radiation, thereby it is convenient for rising, thereby it is to carry out the super fine heat radiation.
The novel gas-liquid separator is characterized in that a compression cavity is arranged on the shell, a runner is arranged on one side of the compression cavity, the compression cavity is communicated with the outlet of the runner, the inlet of the runner is located on the upper side of the electric heating plate, the inlet diameter of the runner is gradually reduced from bottom to top, the flow guiding device comprises an expansion airbag, a rotating plate, a liquid collecting plate and a pressing plate, the expansion airbag is arranged in the compression cavity, the bottom end of the expansion airbag is fixedly connected with the bottom side of the compression cavity, compressed gas is filled in the expansion airbag, the expansion airbag deforms along the vertical direction of the compression cavity, the rotating plate is arranged in the runner, the rotating plate is rotatably connected with the runner, pre-tightening springs are arranged at two ends of the axis of the rotating plate, one end of each pre-tightening spring is fixedly connected with the runner, the outlet of the expansion airbag is located in the deformation range of the expansion airbag, the liquid collecting plate is arranged at the upper end of the expansion airbag and is in transmission connection with the liquid collecting plate, a liquid collecting groove is arranged on the upper side of the liquid collecting plate, the outer side of the liquid collecting plate and is in sliding connection with the compression cavity, the pressing plate, the upper section of the pressing plate is arranged on the upper side of the pressing plate, a compression cavity, and in friction contact with the wall surface of the compression cavity, and a compression space is arranged between the liquid collecting plate.
Compress steam through the compression chamber, thereby along with the volume reduction, pressure increases, make steam become liquid from the gaseous state, and collect steam through the collecting tank in the collecting plate, after steam is heated the inflation, atmospheric pressure increases, thereby make the commentaries on classics board overcome pretension spring elasticity and rotate, make the runner switch on, steam gets into the compression chamber through the runner from detecting the chamber, thereby with the separation of superfine dust, import gradual shrinkage formula design through the runner, guarantee the biggest air input of downside, thereby guarantee air intake efficiency, the electric plate is through the thermal radiation to the upside, heat the inflation gasbag, compressed gas in the inflation gasbag is heated the inflation, thereby it warp to the upside, output displacement, make the collecting plate move to the upside, compress steam, after compressing to certain pressure, make partial steam liquefaction form the drop of water to fall to the collecting tank, constitute the compression space between clamp plate and the collecting plate, the runner export is located inflation gasbag deformation range, lateral wall through inflation gasbag inflation after inflation seals the gas collection stifled, be convenient for carry out intermittent type formula and step up.
Further, dust collecting device includes electric charge seat and corona wire, the electric field generator positive terminal switches on through wire and electric charge seat, the electric field generator negative terminal switches on through wire and corona wire, the working chamber includes electric charge section and collection dirt section, electric charge seat is arranged in the electric charge section, electric charge seat transverse section is the drop shape, electric charge seat point end orientation detects the chamber, the clamp plate lower extreme is arranged in to the corona wire, the corona wire discharges towards clamp plate downside space, compression chamber one side is equipped with the gas outlet channel, the air inlet of gas outlet channel is arranged in and is collected the liquid board section of sliding, compression chamber upper segment roughness from the bottom up increases gradually.
The electric field generator is connected with a conducting wire of the charge seat, the charge seat generates corona, electric arc breakdown is generated, the ultrafine dust is charged, the ultrafine dust is positively charged, high-pressure water vapor is subjected to corona charge through the corona wire, the water vapor is charged, the water vapor is negatively charged, the charge seat is installed in the charge section, the cross section is in a water droplet shape, the water droplet-shaped tip is subjected to tip discharge, the air outlet channel is arranged at the side end of the compression cavity, the residual water vapor is discharged through the air outlet channel, the friction force between the pressing plate and the wall surface of the compression cavity is gradually increased from bottom to top through the gradient arrangement of the roughness of the side wall of the compression cavity, when dust-containing gas with more water vapor enters, namely the water content is smaller, the ultrafine dust content is smaller, the expansion air bag expands and compresses, the rising speed of the pressing plate is slowed down, the compression space between the liquid collecting plate and the pressing plate is reduced, the compression ratio of the water vapor is improved, the water vapor liquefaction rate is improved, the residual water vapor liquefaction rate is reduced, the residual water vapor amount after liquefaction is reduced, the charge is discharged through the air outlet channel, the less condensed dust is condensed, the excessive viscosity is prevented, the adhesion is prevented, and the inner cavity is cleaned, and the ultra fine dust cleaning efficiency is greatly influenced.
Furthermore, the flow guide device also comprises a reversing seat, the reversing seat is fixedly connected with the shell, the reversing seat is arranged at the joint of the detection cavity and the charge section, a reversing slope is arranged on the reversing seat, and the diameter of the reversing slope is gradually reduced.
The switching-over seat carries out the air current direction through the switching-over is domatic, sets up through the diameter convergent to the messenger overflows the cross-section and reduces, and the switching-over seat is arranged in and is detected the chamber and the lotus electric section junction, prevents that inner chamber internal pressure from reducing, thereby guarantees steam gathering efficiency, simultaneously, guarantees that the velocity of flow prevents that the dust from being adsorbed by the polar plate, improves detection efficiency.
Furthermore, dust collecting device still includes the collection dirt seat, and the collection dirt seat includes air entrainment face and dust surface, and collection dirt seat one side and casing inner wall fastening connection go out the gas outlet of gas channel and face air entrainment, and air entrainment face arc sets up, and in dust collection section was arranged in to the dust surface, was equipped with the vortex surface between air entrainment face and the dust surface.
The charged water vapor and the charged ultrafine dust are respectively guided by the air guide surface and the dust guide surface on the dust collection seat, the charged negative electric water vapor flowing out of the air outlet channel flows over the air guide surface, the air guide surface is an arc surface, the positively charged ultrafine dust airflow flows over the dust guide surface, the flow velocity of the water vapor and the dust airflow is controlled, when two rapid airflows flow over, the vortex surface of the tail part is a plane, so that the tail part of the dust collection seat generates vortex, the ultrafine dust with smaller particles has better flowing performance, is sucked and moves upwards by the vortex of the tail part, the water vapor on the upper layer also moves downwards under the sucking action, the ultrafine dust and the water vapor respectively have different charges, so that the upper vortex and the lower vortex collide, the water vapor is adhered to the surface of the ultrafine dust, the two gases are further compressed by the vortex centering self-winding, the infiltration efficiency of the water vapor on the surface of the ultrafine dust is improved, the surface viscosity of the ultrafine dust is improved, the ultrafine dust is further condensed and expanded under the pressure, the diameter is increased, and the dust removal efficiency is improved.
Preferably, the shell is provided with a dust falling groove which is positioned at the tail end of the dust collecting section, and the dust falling groove is provided with a spiral groove with gradually reduced spiral diameter along the inner wall. Collect the superfine dirt after the inflation of condensing through the dirt groove that falls, from the top down convergent setting through the spiral diameter, thereby make the superfine dirt group after the inflation further condense in the helicla flute, thereby make the volume further inflation, when accomodating, the relative distance has been reduced, thereby the accommodating volume has been reduced, improve space utilization, steam relative density through the anterior segment adjusts, thereby avoid the superfine dirt viscosity of agglomeration too high, the adhesion is on the helicla flute surface, improve cleaning efficiency, the gas outlet has been seted up to the dirt groove upside that falls, thereby the output of superfine dirt after will filtering.
Preferably, a return channel is arranged on one side of the dust falling groove, a guide groove is arranged on the charge seat and is arranged in an arc shape, and the upper end of the guide groove faces the dust collecting section. When water vapor is insufficient, part of the ultrafine dust which is not subjected to dust collection and expansion is guided through the return channel, the ultrafine dust enters the guide groove of the charging seat through the return channel by reversing through the spiral groove, and the guide groove is cleaned through the returned ultrafine dust airflow due to the fact that the ultrafine dust is positively charged and has the same polarity as the charging seat, so that dust accumulation in the guide groove is avoided, and the charging efficiency is influenced.
Preferably, one side of the inflatable air bag is provided with a ventilation pipe, and the inflatable air bag is intermittently communicated with the outside air through the ventilation pipe. The scavenge pipe is ninety degrees and arranges, one end and inflation gasbag intercommunication, the other end passes compression chamber and external cold source intercommunication, buckle through ninety degrees and make the scavenge pipe passageway interrupt, the cold source can select to be the nitrogen source, the scavenge pipe can be for having the elasticity pipe of concertina ability, after the inflation gasbag rises, the scavenge pipe resumes the deformation, become the passageway state again until the scavenge pipe, thereby make the inflation gasbag shrink through carrying out the heat transfer to inflation gasbag internal gas, thereby carry out continuous operation, when the less air of steam content enters, guarantee inflation gasbag shrink efficiency through the scavenge pipe, clamp plate and compression intracavity wall friction, the clamp plate moves down under self action of gravity, make inflation gasbag shrink speed be greater than clamp plate rate of moving down, thereby make the increase of compression space between clamp plate and inflation gasbag, make the saturated vapor pressure in the compression space reduce, make partly liquid gasification become the gaseous state, thereby make reach the equilibrium in the compression space, when the clamp plate continues to push down, discharge steam.
Compared with the prior art, the invention has the following beneficial effects: when water-containing ultrafine dust particles pass through, the current formed in the circuit is changed according to different water contents, the electric heating plate is connected in series on the detection circuit, so that the heat radiation range is changed, the rapid air flow is heated through heat radiation, the specific heat capacity of water vapor is smaller than that of ultrafine dust, the temperature is raised more quickly in the same time, the water vapor and the ultrafine dust flow upwards along with the upward radiation heat, and the primary screening is performed on the water vapor and the ultrafine dust through the heat radiation, so that the water vapor is convenient to collect, and the relative humidity in the air flow is regulated and controlled; the friction force between the pressing plate and the wall surface of the compression cavity is gradually increased from bottom to top, when dusty gas with more water vapor content enters, namely, the water content is more, and the ultrafine dust content is less, the pressing plate is compressed by the expansion air bag in an expansion way, so that the ascending speed of the pressing plate is reduced, the compression space between the liquid collecting plate and the pressing plate is reduced, the compression ratio of water vapor is improved, the liquefaction rate of water vapor is improved, the residual water vapor amount after liquefaction is reduced, the excessive water vapor is prevented, the viscosity of the ultrafine dust is too high, and the adhesion is generated in the inner cavity of the shell, so that the cleaning efficiency is influenced; the negative electricity-loaded water vapor flowing out of the gas outlet channel flows over the gas guide surface, the positive electricity-loaded ultrafine dust gas flow flows over the gas guide surface, so that a vortex is generated at the tail of the dust collection seat, the ultrafine dust with smaller particles has better flowing property and is sucked upwards by the vortex at the tail, the water vapor at the upper layer also moves downwards under the sucking action, the ultrafine dust and the water vapor respectively have different charges, so that the upper vortex and the lower vortex collide, the water vapor is adhered to the surface of the ultrafine dust, the two gases are further compressed by the vortex centering and self-rolling, the infiltration efficiency of the water vapor on the surface of the ultrafine dust is improved, the surface viscosity of the ultrafine dust is improved, the ultrafine dust is further condensed and expanded under the pressure action, the diameter is increased, and the dust removal efficiency of the ultrafine dust is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic diagram of the detection circuit of the present invention;
FIG. 4 is a schematic view of the moisture collection guide of the present invention;
FIG. 5 is an enlarged view of portion A of the view of FIG. 4;
FIG. 6 is an enlarged view of portion B of the view of FIG. 2;
fig. 7 is a perspective view of the charging base of the present invention;
in the figure: 1-shell, 11-working chamber, 12-detection chamber, 13-compression chamber, 14-dust falling groove, 16-air outlet channel, 17-return channel, 2-detection device, 21-electric field generator, 22-polar plate, 23-electric hot plate, 3-flow guide device, 31-expansion air bag, 32-rotating plate, 33-reversing seat, 331-reversing slope, 34-liquid collecting plate, 341-liquid collecting groove, 35-pressure plate, 4-dust collecting device, 41-charge seat, 411-flow guide groove, 42-corona wire, 43-dust collecting seat, 431-air leading surface and 432-dust leading surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention provides the technical scheme that:
as shown in fig. 1-7, including casing 1, detection device 2, guiding device 3 and dust collecting device 4, casing 1 and detection device 2 are connected, detection device 2 and dust collecting device 4 electricity are connected, guiding device 3 and casing 1 are connected, dust collecting device 4 and casing 1 fastening connection, be equipped with detection chamber 12 on the casing 1 in proper order, working chamber 11 and dust falling groove 14, it is equipped with the intake pipe to detect chamber 12 and keep away from working chamber 11 one end, the intake pipe communicates with detection chamber 12, dust falling groove 14 one side is equipped with the outlet duct, dust falling groove 14 and outlet duct intercommunication.
Casing 1 is main installation basis, through casing 1 to detection device 2, guiding device 3 and dust collecting device 4 install, detect the water content in the flue gas through detection device 2 is automatic, and collect steam through guiding device 3, according to the water content of the different dirty gas that detects, automatically regulated water yield, thereby soak ultrafine dust, thereby improve the viscosity between ultrafine dust, be convenient for carry out the enrichment to ultrafine dust, make the ultrafine dust particle diameter increase, improve the dust removal effect, carry out steam and ultrafine dust respectively through dust collecting device 4, thereby make inter attraction between steam and ultrafine dust through the xenogenesis electric charge, improve the infiltration effect, it is main detection space to detect chamber 12, working chamber 11 is main electric charge space, to ultrafine dust electric charge in the working chamber.
As shown in fig. 1 to 4, the detecting device 2 is disposed in the detecting chamber 12, the detecting device 2 includes an electric field generator 21, a polar plate 22 and an electric heating plate 23, the polar plate 22 is disposed on the upper side and the lower side of the detecting chamber 12, the electric field generator 21 is fastened to the housing 1, the positive end of the electric field generator 21 is connected to the polar plate 22 on the upper side through a wire, the negative end of the electric field generator 21 is connected to the polar plate 22 on the lower side through a wire, the electric heating plate 23 is connected in series to a circuit formed by the electric field generator 21 and the polar plate 22, the electric heating plate 23 is disposed at one end of the detecting chamber 12 close to the working chamber 11, and the electric field generator 21, the polar plate 22 and the electric heating plate 23 constitute a detecting circuit.
As shown in fig. 2, 4 and 5, a compression chamber 13 is arranged on a housing 1, a flow channel is arranged on one side of the compression chamber 13, the compression chamber 13 is communicated with an outlet of the flow channel, an inlet of the flow channel is positioned on the upper side of an electric heating plate 23, the inlet diameter of the flow channel is gradually set, the inlet diameter is gradually reduced from bottom to top, a flow guide device 3 comprises an expansion airbag 31, a rotating plate 32, a liquid collecting plate 34 and a pressing plate 35, the expansion airbag 31 is arranged in the compression chamber 13, the bottom end of the expansion airbag 31 is fixedly connected with the bottom side of the compression chamber 13, the expansion airbag 31 is filled with compressed gas, the expansion airbag 31 deforms along the vertical direction of the compression chamber 13, the rotating plate 32 is arranged in the flow channel, the rotating plate 32 is rotatably connected with the flow channel, pre-tightening springs are arranged at two ends of the axis of the rotating plate 32, one end of the pre-tightening springs is fixedly connected with the flow channel, the outlet of the expansion airbag 31 is positioned in the deformation range of the expansion airbag 31, the upper end of the expansion airbag 31 is provided with the liquid collecting plate 34, a liquid collecting groove 341 is arranged on the upper side of the liquid collecting plate 34, the liquid collecting groove 341 is arranged on the outer side of the compression chamber 34, a sliding connection with the compression chamber 13, a friction space, and a friction space is arranged between the compression plate 35.
Compress steam through compression chamber 13, thereby along with the volume reduces, pressure increases, make steam become liquid from the gaseous state, and collect steam through collecting tank 341 in collecting plate 34, after steam is heated the inflation, atmospheric pressure increases, thereby make commentaries on classics board 32 overcome pretension spring elasticity and rotate, make the runner switch on, steam gets into compression chamber 13 through the runner from detecting chamber 12, thereby with superfine dust separation, import gradual shrinkage formula design through the runner, guarantee the biggest air input of downside, thereby guarantee air intake efficiency, electric plate 23 is through the thermal radiation to the upside, heat inflation gasbag 31, the compressed gas in the inflation gasbag 31 is heated the inflation, thereby it warp to the upside, output displacement, make collecting plate 34 remove to the upside, compress steam, after compressing to certain pressure, make partial steam liquefaction form the drop of water in collecting tank 341, constitute compression space between clamp plate 35 and the collecting tank 34, the runner outlet is located inflation gasbag 31 deformation range, lateral wall through inflation gasbag 31 inflation after the inflation carries out the shutoff to the runner outlet, be convenient for carry out intermittent type formula and step up.
As shown in fig. 2 and 5-7, the dust collecting device 4 comprises a charge seat 41 and a corona wire 42, the positive end of the electric field generator 21 is conducted with the charge seat 41 through a conducting wire, the negative end of the electric field generator 21 is conducted with the corona wire 42 through a conducting wire, the working chamber 11 comprises a charge section and a dust collecting section, the charge seat 41 is arranged in the charge section, the transverse section of the charge seat 41 is in a water droplet shape, the tip of the charge seat 41 faces the detection chamber 12, the corona wire 42 is arranged at the lower end of the pressing plate 42, the corona wire 42 discharges towards the lower side space of the pressing plate 35, an air outlet channel 16 is arranged on one side of the compression chamber 13, an air inlet of the air outlet channel 16 is arranged in the sliding section of the liquid collecting plate 34, and the roughness of the upper section of the compression chamber 13 is gradually increased from bottom to top.
The electric field generator 21 is used for conducting wire connection of the charging seat 41, the charging seat 41 is enabled to generate corona, arc breakdown is generated, the ultrafine dust is charged positively, high-pressure water vapor is charged through the corona wire 42, the water vapor is charged negatively, the charging seat 41 is installed in a charging section, the water vapor is in a water droplet shape through the cross section, the tip of the water droplet shape is subjected to point discharge, the air outlet channel 16 is arranged at the side end of the compression cavity 13, the residual water vapor is discharged through the air outlet channel 16, the gradual roughness of the side wall of the compression cavity 13 is set, the friction force of the wall surface of the compression plate 35 and the wall surface of the compression cavity 13 is gradually increased from bottom to top, when dust-containing gas with more water vapor content enters, namely the water vapor accounts for more, the ultrafine dust accounts for less, the expansion and the compression of the expansion air bag 31 is carried out, the rising speed of the compression plate 35 is reduced, the compression space between the liquid collection plate 34 and the compression plate 35 is reduced, the liquefaction rate is improved, the residual water vapor is reduced, the residual water vapor accounts for carrying out water vapor, the water vapor outflow through the air channel 16, the outflow, the viscosity of the shell is reduced, and the adhesion is prevented, and the adhesion of the shell is prevented, and the adhesion caused by 1.
As shown in fig. 2, the diversion device 3 further includes a reversing seat 33, the reversing seat 33 is fastened and connected with the housing 1, the reversing seat 33 is disposed at a connection position of the detection cavity 12 and the charge section, a reversing slope 331 is disposed on the reversing seat 33, and the diameter of the reversing slope 331 is gradually reduced.
The switching-over seat 33 carries out the air current direction through the domatic 331 of switching-over, sets up through the diameter convergent to make the cross-section that overflows reduce, switching-over seat 33 arranges detection chamber 12 and lotus electric section junction in, prevents that inner chamber pressure from reducing, thereby guarantees steam gathering efficiency, simultaneously, guarantees that the velocity of flow prevents that the dust from being adsorbed by polar plate 22, improves detection efficiency.
As shown in fig. 2 and 6, the dust collecting device 4 further includes a dust collecting base 43, the dust collecting base 43 includes an air guiding surface 431 and a dust guiding surface 432, one side of the dust collecting base 43 is fastened and connected with the inner wall of the housing 1, an air outlet of the air outlet channel 16 faces the air guiding surface 431, the air guiding surface 431 is arranged in an arc shape, the dust guiding surface 432 is disposed in the dust collecting section, and a vortex surface is disposed between the air guiding surface 431 and the dust guiding surface 432.
The charged water vapor and the charged ultrafine dust are respectively guided by the air guide surface 431 and the dust guide surface 432 on the dust collection seat 43, so that the negatively charged water vapor flowing out from the air outlet channel 16 flows over the air guide surface 431, the air guide surface is an arc surface, the positively charged ultrafine dust airflow flows over the dust guide surface, the flow rate of the water vapor and the dust airflow is controlled, when the two rapid airflows flow, the vortex surface of the tail part is a plane, so that the tail part of the dust collection seat 43 generates a vortex, the ultrafine dust with smaller particles has better flowing performance, is sucked and moves upwards by the vortex of the tail part, the water vapor on the upper layer also moves downwards under the sucking action, the ultrafine dust and the dust respectively carry different charges, so that the upper vortex and the lower vortex collide, the water vapor is adhered to the surface of the ultrafine dust, the self-winding is further compressed by the vortex, the infiltration efficiency of the water vapor on the surface of the ultrafine dust is improved, the surface viscosity of the ultrafine dust is improved, the ultrafine dust is further condensed and expanded under the diameter is increased, and the dust removal efficiency is improved.
Preferably, the housing 1 is provided with a dust falling groove 14, the dust falling groove 14 is located at the tail end of the dust collecting section, and the dust falling groove 14 is provided with a spiral groove with a gradually reduced spiral diameter along the inner wall. Collect the superfine dust after the inflation of condensing through dust falling groove 14, from the top down convergent setting through the spiral diameter, thereby make the superfine dust group after the inflation further condense in the helicla flute, thereby make the volume further inflation, when accomodating, the relative distance has been reduced, thereby the accommodating volume has been reduced, improve space utilization, steam relative density through the anterior segment adjusts, thereby avoid the superfine dust viscosity of conglomeration too high, the adhesion is on the helicla flute surface, improve the cleaning efficiency, the gas outlet has been seted up to dust falling groove 14 upside, thereby output the superfine dust after will filtering.
Preferably, a return channel 17 is arranged on one side of the dust falling groove 14, a guide groove 411 is arranged on the charge seat 41, the guide groove 411 is arranged in an arc shape, and the upper end of the guide groove 411 faces the dust collecting section. When the water vapor is insufficient, the return channel 17 guides part of the ultra-fine dust without dust collection expansion, the ultra-fine dust enters the guide groove 411 of the charging seat 41 through the return channel 17 by reversing the spiral groove, and the guide groove 411 is cleaned by the returned ultra-fine dust airflow due to the fact that the polarity of the ultra-fine dust is the same as that of the charging seat 41, and the dust accumulation of the guide groove 411 is avoided, and the charging efficiency is not influenced.
Preferably, a ventilation tube is provided on the side of the inflatable bladder 31, and the inflatable bladder 31 is intermittently connected to the outside air through the ventilation tube. The scavenge pipe is ninety degrees and arranges, one end and inflation gasbag 31 intercommunication, the other end passes compression chamber 13 and external cold source intercommunication, buckle through ninety degrees and make the scavenge pipe passageway interrupt, the cold source can be selected as the nitrogen source, the scavenge pipe can be for the elasticity pipe that has the elasticity performance, after inflation gasbag 31 rises, the scavenge pipe resumes the deformation, until the scavenge pipe becomes the access state again, thereby make inflation gasbag 31 shrink through carrying out the heat transfer to inflation gasbag 31 inside gas, thereby carry out continuous operation, when air that the steam content is less gets into, guarantee inflation gasbag 31 shrink efficiency through the scavenge pipe, clamp plate 35 and 13 inner wall friction of compression chamber, clamp plate 35 moves down under self gravity, make inflation gasbag 31 shrink speed be greater than clamp plate 35 and move down the speed, thereby make the compression space increase between clamp plate 35 and inflation gasbag 31, make the saturated vapour pressure in the compression space reduce, make partly liquid gasification become the gassiness, thereby reach the equilibrium in the compression space, when clamp plate 35 continues to push down, discharge steam.
The working principle of the invention is as follows: when the ultrafine dust particles containing water pass through, the polar plates 22 on the two sides are conducted, so that the whole circuit is conducted, according to different water contents, the number of freely moving ions is different, the larger the water content is, the more ions move, the larger the current formed in the circuit is, the more heat is emitted, the wider the heat radiation range is, the faster air flow is heated through heat radiation, the specific heat capacity of water vapor is smaller than that of the ultrafine dust, the temperature is raised more quickly in the same time, the upward radiation heat flows upwards, the primary screening is carried out on the water vapor and the ultrafine dust through the heat radiation, the water vapor is convenient to collect, and the relative humidity in the air flow is regulated and controlled; the friction force between the pressure plate 35 and the wall surface of the compression cavity 13 is gradually increased from bottom to top, when dust-containing gas with more water vapor content enters, namely, the water content is more, and the superfine dust content is less, the pressure plate 35 is expanded and compressed through the expansion air bag 31, so that the ascending speed of the pressure plate 35 is reduced, the compression space between the liquid collection plate 34 and the pressure plate 35 is reduced, the compression ratio of water vapor is improved, the water vapor liquefaction rate is improved, the residual water vapor content after liquefaction is reduced, the excessive water vapor is prevented, the viscosity of the superfine dust is too high, and the adhesion is generated in the inner cavity of the shell 1, so that the cleaning efficiency is influenced; the negative electricity-charged water vapor flowing out of the air outlet channel 16 flows over the air guide surface 431, the positive electricity-charged ultrafine dust airflow flows over the air guide surface, so that a vortex is generated at the tail part of the dust collecting seat 43, the ultrafine dust with smaller particles has better flowing property, is sucked by the vortex at the tail part and moves upwards, the water vapor at the upper layer also moves downwards under the sucking action, and the ultrafine dust and the water vapor respectively have different charges, so that the upper vortex and the lower vortex collide, the water vapor is adhered to the surface of the ultrafine dust, the eddy centering and self-winding are used for further compressing two gases, the infiltration efficiency of the water vapor on the surface of the ultrafine dust is improved, the surface viscosity of the ultrafine dust is improved, the ultrafine dust is further condensed and expanded under the pressure action, the diameter is increased, and the dust removal efficiency of the ultrafine dust is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A dust remover for ultrafine dust with an automatic dust collection and expansion function is characterized in that: the dust remover for ultrafine dust comprises a shell (1), a detection device (2), a flow guide device (3) and a dust collection device (4), wherein the shell (1) is connected with the detection device (2), the detection device (2) is electrically connected with the dust collection device (4), the flow guide device (3) is connected with the shell (1), the dust collection device (4) is fixedly connected with the shell (1), a detection cavity (12), a working cavity (11) and a dust falling groove (14) are sequentially arranged on the shell (1), an air inlet pipe is arranged at one end, away from the working cavity (11), of the detection cavity (12) and communicated with the detection cavity (12), an air outlet pipe is arranged at one side of the dust falling groove (14), and the dust falling groove (14) is communicated with the air outlet pipe;
the detection device (2) is arranged in the detection cavity (12), the detection device (2) comprises an electric field generator (21), a polar plate (22) and an electric heating plate (23), the polar plate (22) is arranged on each of the upper side and the lower side of the detection cavity (12), the electric field generator (21) is fixedly connected with the shell (1), the positive end of the electric field generator (21) is connected with the polar plate (22) on the upper side through a lead, the negative end of the electric field generator (21) is connected with the polar plate (22) on the lower side through a lead, the electric heating plate (23) is connected in series on a circuit formed by the electric field generator (21) and the polar plate (22), the electric heating plate (23) is arranged at one end, close to the working cavity (11), of the detection cavity (12), and the electric field generator (21), the polar plate (22) and the electric heating plate (23) form a detection circuit;
the improved structure is characterized in that a compression cavity (13) is arranged on the shell (1), a flow channel is arranged on one side of the compression cavity (13), the compression cavity (13) is communicated with an outlet of the flow channel, an inlet of the flow channel is positioned on the upper side of an electric heating plate (23), the inlet diameter of the flow channel is gradually changed, the inlet diameter is gradually reduced from bottom to top, the flow guide device (3) comprises an expansion air bag (31), a rotating plate (32), a liquid collecting plate (34) and a pressing plate (35), the expansion air bag (31) is arranged in the compression cavity (13), the bottom end of the expansion air bag (31) is fixedly connected with the bottom side of the compression cavity (13), compressed gas is filled in the expansion air bag (31), the expansion air bag (31) deforms along the vertical direction of the compression cavity (13), the rotating plate (32) is arranged in the flow channel, the rotating plate (32) is rotatably connected with the flow channel, pre-tightening springs are arranged at the two ends of the axis of the rotating plate (32), one end of the pre-tightening springs are fixedly connected with the flow channel, an outlet of the flow channel is positioned in the deformation range of the expansion air bag (31), the upper end of the expansion air bag (31) is provided with the liquid collecting plate (34), a liquid collecting plate (341) is connected with the liquid collecting plate (13), a sliding groove (35) and a liquid collecting groove (35) arranged on the outer side of the compression cavity (13), a compression space is arranged between the liquid collecting plate (34) and the pressing plate (35);
the flow guide device (3) further comprises a reversing seat (33), the reversing seat (33) is fixedly connected with the shell (1), the reversing seat (33) is arranged at the joint of the detection cavity (12) and the charge section, a reversing slope surface (331) is arranged on the reversing seat (33), and the diameter of the reversing slope surface (331) is gradually reduced.
2. The dust collector for ultra fine dust having an automatic dust collection expansion function as claimed in claim 1, wherein: dust collecting device (4) are including electric charge seat (41) and corona wire (42), electric field generator (21) positive terminal passes through the wire and switches on with electric charge seat (41), and electric field generator (21) negative pole end passes through the wire and switches on with corona wire (42), working chamber (11) are including electric charge section and collection dirt section, electric charge section is arranged in to electric charge seat (41), and electric charge seat (41) transverse section is the drop shape, and electric charge seat (41) pointed end orientation detects chamber (12), clamp plate (42) lower extreme is arranged in to corona wire (42), corona wire (42) discharge towards clamp plate (35) downside space, compression chamber (13) one side is equipped with out gas channel (16), the air inlet that goes out gas channel (16) is arranged in and is collected liquid plate (34) the section of sliding, compression chamber (13) upper segment roughness from the bottom to the top gradually increases.
3. The dust collector for ultra fine dust having an automatic dust collection expansion function as claimed in claim 2, wherein: dust collecting device (4) still include collection dirt seat (43), collection dirt seat (43) are including leading gas surface (431) and leading dirt face (432), collection dirt seat (43) one side and casing (1) inner wall fastening connection, gas outlet orientation leading gas surface (431) of gas outlet channel (16), lead gas surface (431) arc setting, lead dirt face (432) and arrange in the collection dirt section, it is equipped with the vortex surface to lead gas surface (431) and lead between dirt face (432).
4. A dust collector for ultra-fine dust having an automatic dust collecting and expanding function as set forth in claim 3, wherein: the dust collecting device is characterized in that a dust falling groove (14) is formed in the shell (1), the dust falling groove (14) is located at the tail end of the dust collecting section, and a spiral groove with gradually reduced spiral diameter is formed in the inner wall of the dust falling groove (14).
5. The dust collector for ultra fine dust having an automatic dust collection expansion function as claimed in claim 4, wherein: a return channel (17) is arranged on one side of the dust falling groove (14), a guide groove (411) is arranged on the charge seat (41), the guide groove (411) is arranged in an arc shape, and the upper end of the guide groove (411) faces towards the dust collecting section.
6. The dust remover for ultra-fine dust having an automatic dust collecting and expanding function as set forth in claim 2, wherein: and a ventilation pipe is arranged on one side of the expansion air bag (31), and the expansion air bag (31) is intermittently communicated with the outside air through the ventilation pipe.
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| CN202111034857.1A CN113842728B (en) | 2021-11-10 | 2021-11-10 | Dust remover for ultrafine dust with automatic dust collection and expansion functions |
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| CN202037070U (en) * | 2010-11-29 | 2011-11-16 | 江苏紫光吉地达环境科技股份有限公司 | Electrostatic ultrafine dust collector |
| CN104492604B (en) * | 2014-12-22 | 2016-07-06 | 河北工业大学 | A kind of wet type moisture film electrode electricity coalescer |
| CN210356392U (en) * | 2019-06-11 | 2020-04-21 | 新兴铸管股份有限公司 | Mould board dust remover that burns |
| CN213529993U (en) * | 2020-09-27 | 2021-06-25 | 江苏吉能达环境能源科技有限公司 | Cyclone dust collector |
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