CN113842728A - 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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- CN113842728A CN113842728A CN202111034857.1A CN202111034857A CN113842728A CN 113842728 A CN113842728 A CN 113842728A CN 202111034857 A CN202111034857 A CN 202111034857A CN 113842728 A CN113842728 A CN 113842728A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
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Abstract
The invention discloses a dust remover for ultrafine dust with automatic dust collection and expansion functions, 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, the air inlet pipe is communicated with the detection cavity, an air outlet pipe is arranged at one side of the dust falling groove, the dust falling groove is communicated with the air outlet pipe, the detection device is arranged in the detection cavity, the detection device 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 positive pole end of the electric field generator is connected with the polar plate at the upper side through a lead, and the negative pole end of the electric field generator is connected with the polar plate at the lower side through a lead, the electric heating plate is connected in series with 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 inflation function, which comprises a housin, detection device, guiding device and dust collecting device, casing and detection device are connected, 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, to 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 ultra-fine dust particle diameter increase, 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 electric charge 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.
The electric field generator is a main energy supply device, two stages are respectively electrically connected with polar plates on two sides, so as to be communicated to form a circuit, an insulation gap is arranged between the two polar plates, in a normal state, the air gap is overlarge, the two polar plates can not be communicated in a breakdown way, so as to form the circuit, when the water-containing ultrafine dust particles pass through, the air gap is relatively reduced, so as to cause gap breakdown, the polar plates on two sides are communicated, so that the whole circuit is communicated, according to different water contents, the number of freely moving ions is different, the larger the water content is, the more the ions are moved, the larger the current is formed in the circuit, the more the water content is, the excessive water content needs to be removed, the excessive water content is prevented, the ultrafine dust is prevented from being aggregated and is excessively viscous and adhered to the surface of an inner cavity, the basic humidity of particle agglomeration is ensured according to requirements, the dust is prevented from being agglomerated, the agglomeration is prevented, and the dust collection efficiency is improved, establish ties on detection circuitry through the electric plate, when the electric current is big more, the heat that the electric plate gived off is more, and the thermal radiation scope that causes is wider, heats quick air current through heat radiation, and the specific heat capacity of steam is less than superfine dirt specific heat capacity, and it is faster to heat up in the same time to along with ascending radiant heat upwards flows, carries out the primary screen through heat radiation to steam and superfine dirt, is convenient for collect steam, thereby adjusts and controls the relative humidity in the air current automatically.
Furthermore, a compression cavity is arranged on the shell, a flow channel is arranged on one side of the compression cavity, the compression cavity is communicated with an outlet of the flow channel, an inlet of the flow channel is positioned on the upper side of the electric heating plate, the diameter of the inlet of the flow channel is gradually changed, the diameter of the inlet is gradually reduced from bottom to top, the flow guiding device comprises an expansion air bag, a rotating plate, a liquid collecting plate and a pressing plate, the expansion air bag is arranged in the compression cavity, the bottom end of the expansion air bag is fixedly connected with the bottom side of the compression cavity, compressed gas is filled in the expansion air bag, the expansion air bag deforms along the vertical direction of the compression cavity, the rotating plate is arranged in the flow channel and is rotatably connected with the flow channel, 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 flow channel, an outlet of the expansion air bag is positioned in the deformation range of the expansion air bag, the liquid collecting plate is arranged at the upper end of the expansion air bag 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, and the outer side of the liquid collecting plate is in sliding connection with the compression cavity, the pressing plate is arranged at the upper section of the compression cavity, the outer side of the pressing plate is in friction contact with the wall surface of the compression cavity, and a compression space is arranged between the liquid collecting plate and the pressing plate.
The water vapor is compressed through the compression cavity, so that the water vapor is changed into a liquid state from a gaseous state along with the reduction of the volume and the increase of the pressure, the water vapor is collected through the liquid collecting groove in the liquid collecting plate, when the water vapor is heated and expanded, the air pressure is increased, the rotating plate overcomes the elasticity of the pre-tightening spring to rotate, the flow channel is conducted, the water vapor enters the compression cavity from the detection cavity through the flow channel so as to be separated from the ultrafine dust, the maximum air input at the lower side is ensured through the inlet gradual shrinkage type design of the flow channel, the air inlet efficiency is ensured, the electric heating plate heats the expansion air bag through the heat radiation towards the upper side, the compressed gas in the expansion air bag is heated and expanded so as to deform towards the upper side and output displacement, the liquid collecting plate moves towards the upper side to compress the water vapor, after the water vapor is compressed to a certain pressure, partial water vapor is liquefied to form water drops to fall into the liquid collecting groove, and a compression space is formed between the pressure plate and the liquid collecting plate, the outlet of the flow channel is positioned in the deformation range of the expansion air bag, and the outlet of the flow channel is blocked by the side wall of the expansion air bag after expansion, so that intermittent gas collection and pressure boosting are facilitated.
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 charge seat is connected with a lead through an electric field generator to generate corona and generate arc breakdown, so that the ultrafine dust is charged, the ultrafine dust is positively charged, high-pressure water vapor is charged through the corona and is negatively charged, the charge seat is installed in the charge section, the cross section of the charge seat is in a water droplet shape, the tip of the water droplet shape is subjected to tip discharge, the side end of the compression cavity is provided with an air outlet channel, the rest 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 gradual change of the roughness of the side wall of the compression cavity, when dust-containing gas with more water vapor content enters, namely the water content is higher, when the ultrafine dust content is lower, the expansion air bag expands and compresses, the rising speed of the pressing plate is reduced, so that the compression space between the liquid collecting plate and the pressing plate is reduced, and the compression ratio of the water vapor is improved, improve the steam liquefaction rate to reduce the remaining steam volume after the liquefaction, make less steam carry out the lotus, and flow through the gas outlet channel, condense less superfine dust, prevent that steam is too much, cause superfine dust viscosity too big, thereby produce the adhesion at the casing inner chamber, influence cleaning efficiency.
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 collecting seat, so that the charged 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 the two rapid airflows flow, the vortex surface at the tail part is a plane, so that the tail part of the dust collecting seat generates vortex, the ultrafine dust with smaller particles has better flowing performance, is sucked by the vortex at the tail part to move upwards, 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 self-winding of the two gases is further compressed by the vortex, and the soaking efficiency of the water vapor on the surface of the ultrafine dust is improved, the surface viscosity of the ultrafine dust is improved, so that the ultrafine dust is further condensed and expanded under the action of pressure, the diameter is increased, and the dust removal efficiency of the ultrafine dust 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 ventilation tube is arranged at ninety degrees, one end of the ventilation tube is communicated with the expansion airbag, the other end of the ventilation tube passes through the compression cavity and is communicated with an external cold source, the ventilation tube is interrupted by bending at ninety degrees, the cold source can be selected as a nitrogen source, the ventilation tube can be an elastic tube with telescopic performance, after the expansion airbag rises, the ventilation tube recovers deformation until the ventilation tube is changed into a passage state again, the expansion airbag is contracted by exchanging heat for the gas in the expansion airbag, so that continuous work is carried out, when the air with less water vapor content enters, the contraction efficiency of the expansion airbag is ensured by the ventilation tube, the pressure plate rubs against the inner wall of the compression cavity, the pressure plate moves downwards under the action of self gravity, the contraction speed of the expansion airbag is larger than the downward movement speed of the pressure plate, so that the compression space between the pressure plate and the expansion airbag is increased, the saturated vapor pressure in the compression space is reduced, and a part of liquid is gasified into a gaseous state, so that the compression space is balanced and the water vapor is discharged when the pressing plate is pressed continuously.
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 with 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 are primarily screened through the heat radiation along with the upward flow of the radiation heat, the water vapor is conveniently collected, 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 superfine dust content is less, the pressing plate is expanded and compressed through the expansion air bag, 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 water vapor liquefaction rate is improved, the residual water vapor amount 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, 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 general 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-pressing 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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, intake pipe and detection chamber 12 intercommunication, 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 the 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.
The electric field generator 21 is a main energy supply device, two stages are respectively electrically connected with the polar plates 22 at two sides, so as to be communicated to form a circuit, an insulation gap is arranged between the two polar plates 22, in a normal state, the air gap is overlarge, the two polar plates 22 can not be communicated in a breakdown manner, so as to form a circuit, when the water-containing ultrafine dust particles pass through, the air gap is relatively reduced, so as to cause gap breakdown, so that the polar plates 22 at two sides are communicated, so that the whole circuit is conducted, according to different water contents, the number of freely moving ions is different, the water content is larger, the more ions are moved, the larger the current is formed in the circuit is, the more the water content is, the excessive water needs to be removed, the excessive water content is prevented from being overlarge, so that the ultrafine dust is excessively condensed and adhered to the surface of an inner cavity, the basic humidity of particle agglomeration is ensured according to requirements, the ultrafine dust is expanded, and the agglomeration is prevented from being loose, improve collection dirt efficiency, establish ties on detecting the circuit through electric plate 23, when the electric current is big more, the heat that electric plate 23 gived off is more, the heat radiation scope that causes is wider, heat quick air current through the heat radiation, the specific heat capacity of steam is less than superfine dirt specific heat capacity, it is faster to heat up in the same time, thereby along with ascending radiant heat upwards flows, carry out the primary screen through heat radiation to steam and superfine dirt, be convenient for collect steam, thereby regulate and control the relative humidity in the air current.
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 diameter of the inlet of the flow channel is gradually changed, the diameter of the inlet 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, two ends of the axis of the rotating plate 32 are provided with pre-tightening springs, 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 flow channel, the expansion airbag 31, the upper end of the expansion airbag 31 is provided with the liquid collecting plate 34, the expansion airbag 31 is in transmission connection with the liquid collecting plate 34, the upper side of the liquid collecting plate 34 is provided with a liquid collecting groove 341, the outer side of the liquid collecting plate 34 is in sliding connection with the compression cavity 13, the pressing plate 35 is arranged at the upper section of the compression cavity 13, the outer side of the pressing plate 35 is in friction contact with the wall surface of the compression cavity 13, and a compression space is arranged between the liquid collecting plate 34 and the pressing plate 35.
Compress the vapor through the compression chamber 13, thereby along with the volume reduction, the pressure increases, make vapor become liquid from the gaseous state, and collect vapor through the collecting tank 341 in the collecting plate 34, after vapor is heated and expanded, atmospheric pressure increases, thereby make the commentaries on classics board 32 overcome pretension spring elasticity and rotate, make the runner switch on, vapor gets into the compression chamber 13 through the runner from detecting chamber 12, thereby with superfine dust separation, through the inlet gradual shrinkage formula design of runner, guarantee the biggest air input of downside, thereby guarantee the air intake efficiency, the electric heat board 23 heats the inflation gasbag 31 through the heat radiation to the upside, the compressed gas in the inflation gasbag 31 is heated and expanded, thereby upwards warp, output displacement, make the collecting plate 34 move to the upside, compress vapor, after compressing to certain pressure, make partial vapor liquefaction form the drop to the collecting tank 341, a compression space is formed between the pressing plate 35 and the liquid collecting plate 34, the outlet of the runner is located in the deformation range of the expansion air bag 31, and the outlet of the runner is blocked by the side wall of the expansion air bag 31 after expansion, so that intermittent gas collection and pressure boosting are facilitated.
As shown in fig. 2, 5 ~ 7, dust collecting device 4 includes charge seat 41 and corona wire 42, electric field generator 21 positive terminal leads to through wire and charge seat 41, electric field generator 21 negative terminal leads to through wire and corona wire 42, working chamber 11 includes charged section and collection dirt section, charged section is placed in to charge seat 41, the horizontal cross-section of charged seat 41 is the drop shape, the most advanced detection chamber 12 of charge seat 41 orientation, corona wire 42 is placed in the clamp plate 42 lower extreme, corona wire 42 discharges towards clamp plate 35 downside space, compression chamber 13 one side is equipped with gas outlet channel 16, gas inlet of gas outlet channel 16 is placed in the gliding section of liquid collecting plate 34, the roughness from the bottom up gradually increases on compression chamber 13.
The electric field generator 21 is used for 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, the ultrafine dust is positively charged, high-pressure water vapor is corona charged through the corona wire 42, the water vapor is charged, the water vapor is negatively charged, the charging seat 41 is installed in the charging section, the cross section is in a water droplet shape, the tip of the water droplet shape is subjected to tip discharge, the side end of the compression cavity 13 is provided with the air outlet channel 16, the rest water vapor is discharged through the air outlet channel 16, the side wall of the compression cavity 13 is gradually coarsened, the friction force between the pressure plate 35 and the wall 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, the ultrafine dust content is less, the pressure plate 35 is expanded and compressed through the expansion air bag 31, the rising speed of the pressure plate 35 is reduced, and the compression space between the liquid collection plate 34 and the pressure plate 35 is reduced, the improvement is to the compression ratio of steam, improves the steam liquefaction rate to reduce remaining steam volume after the liquefaction, make less steam carry out the lotus, and flow through gas outlet channel 16, condense and to less superfine dust, prevent that steam is too much, cause superfine dust viscosity too big, thereby produce the adhesion at 1 inner chamber of casing, influence cleaning efficiency.
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 collecting 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 at the tail part is a plane, so that the tail part of the dust collecting seat 43 generates vortex, the ultrafine dust with smaller particles has better flowing performance, is sucked by the vortex at the tail part and moves upwards, the water vapor at the upper layer also moves downwards under the suction effect, the ultrafine dust and the water vapor 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 two gases are further compressed by the vortex centering self-winding, and 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, so that the ultrafine dust is further condensed and expanded under the action of pressure, the diameter is increased, and the dust removal efficiency of the ultrafine dust 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, part of the ultrafine dust which is not subjected to dust collection and expansion is guided through the return passage 17, the ultrafine dust enters the guide groove 411 of the charging seat 41 through the return passage 17 by reversing through the spiral groove, and the guide groove 411 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 41, so that the influence on the charging efficiency caused by dust deposition of the guide groove 411 is avoided.
Preferably, a ventilation tube is provided on the side of the inflatable bladder 31, and the inflatable bladder 31 is intermittently communicated with the outside air through the ventilation tube. The ventilation pipe is arranged at ninety degrees, one end of the ventilation pipe is communicated with the expansion airbag 31, the other end of the ventilation pipe passes through the compression cavity 13 and is communicated with an external cold source, the ventilation pipe is interrupted by bending at ninety degrees, the cold source can be selected as a nitrogen source, the ventilation pipe can be an elastic pipe with telescopic performance, after the expansion airbag 31 rises, the ventilation pipe recovers deformation until the ventilation pipe is changed into a passage state again, the expansion airbag 31 is contracted by exchanging heat for the gas in the expansion airbag 31, so that continuous work is carried out, when air with less water vapor content enters, the contraction efficiency of the expansion airbag 31 is ensured through the ventilation pipe, the pressure plate 35 rubs with the inner wall of the compression cavity 13, the pressure plate 35 moves downwards under the action of self gravity, the contraction speed of the expansion airbag 31 is greater than the downward movement speed of the pressure plate 35, so that the compression space between the pressure plate 35 and the expansion airbag 31 is increased, and the saturated vapor pressure in the compression space is reduced, a portion of the liquid is vaporized to a vapor state, thereby equilibrating the compression space and allowing the vapor to escape as the platen 35 continues to be depressed.
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-loaded water vapor flowing out of the gas outlet channel 16 flows over the gas guiding surface 431, the positive electricity-loaded ultrafine dust gas flow flows over the gas guiding 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 performance and is sucked upwards by the vortex at the tail part, the water vapor at the upper layer also moves downwards under the sucking action, the ultrafine dust and the water vapor are respectively provided with 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 self-winding through vortex centering, 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 removing 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 (9)
1. A dust remover for ultrafine dust with automatic dust collection and expansion functions is characterized in that: dust remover for superfine dust includes 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 on casing (1) in proper order and detect chamber (12), 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, intake pipe and detection chamber (12) intercommunication, dust falling groove (14) one side is equipped with the outlet duct, falls dust groove (14) and outlet duct intercommunication.
2. The dust collector for ultra fine dust having an automatic dust collection expansion function as claimed in claim 1, wherein: detection device (2) are arranged in detection chamber (12), and detection device (2) include electric field generator (21), polar plate (22) and electric plate (23), both sides are equipped with polar plate (22) respectively about detection chamber (12), electric field generator (21) and casing (1) fastening connection, and electric field generator (21) positive terminal passes through wire and polar plate (22) of upside and links to each other, and electric field generator (21) negative terminal passes through wire and downside polar plate (22) and connects, electric plate (23) are established ties on the circuit that electric field generator (21) and polar plate (22) constitute, electric plate (23) are arranged in detection chamber (12) and are close to working chamber (11) one end, electric field generator (21), polar plate (22) and electric plate (23) constitute detection circuitry.
3. The dust collector for ultra fine dust having an automatic dust collection expansion function as claimed in claim 2, wherein: the improved energy-saving water heater is characterized in that a compression chamber (13) is arranged on the shell (1), a flow channel is arranged on one side of the compression chamber (13), an outlet of 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 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 chamber (13), the bottom end of the expansion air bag (31) is fixedly connected with the bottom side of the compression chamber (13), compressed gas is filled in the expansion air bag (31), the expansion air bag (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 runner export is located inflation gasbag (31) deformation range, inflation gasbag (31) upper end is equipped with collector plate (34), and inflation gasbag (31) and collector plate (34) transmission are connected, collector plate (34) upside is equipped with collecting tank (341), collector plate (34) outside and compression chamber (13) sliding connection, compression chamber (13) upper segment is arranged in clamp plate (35), and clamp plate (35) outside and compression chamber (13) wall friction contact are equipped with the compression space between collector plate (34) and clamp plate (35).
4. A dust collector for ultra fine dust having an automatic dust collection expansion function as claimed in claim 3, 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 water droplet 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 increases gradually.
5. The dust collector for ultra fine dust having an automatic dust collection expansion function as claimed in claim 4, wherein: 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.
6. The dust collector for ultra fine dust having an automatic dust collection expansion function as claimed in claim 5, 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).
7. The dust collector for ultra fine dust having an automatic dust collection expansion function as claimed in claim 6, 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 a gradually reduced spiral diameter is formed in the dust falling groove (14) along the inner wall.
8. A dust collector for ultra fine dust having an automatic dust collection expansion function as claimed in claim 7, 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.
9. The dust collector for ultra fine dust having an automatic dust collection expansion function as claimed in claim 4, 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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Cited By (1)
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| CN116871898A (en) * | 2023-08-11 | 2023-10-13 | 青岛鼎正智能科技有限公司 | Intelligent rough milling device for injection mold machining |
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| CN113842728B (en) | 2022-10-11 |
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