WO2014069811A1 - Dispositif de dispersion à jet d'air pulsé de type ogive - Google Patents

Dispositif de dispersion à jet d'air pulsé de type ogive Download PDF

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Publication number
WO2014069811A1
WO2014069811A1 PCT/KR2013/009027 KR2013009027W WO2014069811A1 WO 2014069811 A1 WO2014069811 A1 WO 2014069811A1 KR 2013009027 W KR2013009027 W KR 2013009027W WO 2014069811 A1 WO2014069811 A1 WO 2014069811A1
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WO
WIPO (PCT)
Prior art keywords
air
nozzle
blow pipe
hole
warhead
Prior art date
Application number
PCT/KR2013/009027
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English (en)
Korean (ko)
Inventor
이충중
Original Assignee
Lee Choong-Joong
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020120123345A external-priority patent/KR20140056896A/ko
Priority claimed from KR1020120123347A external-priority patent/KR101446229B1/ko
Priority claimed from KR20130020531A external-priority patent/KR101476696B1/ko
Application filed by Lee Choong-Joong filed Critical Lee Choong-Joong
Publication of WO2014069811A1 publication Critical patent/WO2014069811A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air

Definitions

  • the present invention relates to an air dispersing device for a dust collector, and more particularly, to an warhead-type impact air dispersing device that applies an air dispersing device to a filter structure for a dust collecting device to improve a dust extraction capability of a filter and increase a suction flow rate.
  • the dust collector is installed in various industrial processes in which a large amount of dust or dust is generated to collect and separate fine dust and contaminants in the air by a filter.
  • the dust collector should remove dust accumulated in the filter to maintain the performance of the dust collector.
  • a large amount of compressed air is injected into the inside of the filter in a short time by the air injection nozzle to release the dust by applying pressure (jet air) inside the filter.
  • a venturi nozzle is installed between the nozzle and the inlet of the filter for efficient exhaustion and delivery of a large amount of compressed air to the filter surface.
  • Venturi nozzle is a component that increases the flow rate by converting the pressure energy of the air injected from the air injection nozzle into kinetic energy.
  • Venturi nozzles increase the effect of increasing the flow rate of suction of ambient air at a pressure lowered by Bernoulli's law.
  • FIG. 1 is a view illustrating the flow of jet air flow of a blow tube in a filter structure for a dust collector equipped with a venturi nozzle and a filter structure for a dust collector not equipped with a venturi nozzle according to the related art.
  • Figure 1 (a) shows the flow of the jet stream of the blow tube (Blow Tube) in the filter structure for the dust collector is not equipped with a venturi nozzle during the dust removal process
  • Figure 1 (b) is a venturi nozzle in the dust removal process
  • the flow of the jet stream of the blow tube is shown in the filter structure for the dust collector mounted inside the upper part of the filter.
  • Cylindrical cartridge filter has good filtration capability with large filtration area, but it is not easy to shake off dust if it is clogged deep between acid and acid of bent filter material.
  • the present invention comprises an air dispersing device in the filter structure for the dust collector, the internal mounting type, external mounting and separation type to improve the dust extraction ability of the filter and increase the suction flow rate warhead impact air dispersion device
  • the purpose is to provide.
  • Warhead-type impact air dispersion device for achieving the above object
  • Blow pipe nozzle 110 having a first through-hole 112 is formed in the center and formed in the form of a pipe having a predetermined length in the horizontal direction to form a first inlet hole 113 for injecting air flowing into the lower one side ;
  • a second through hole 123 having a central portion in the vertical direction is formed therein, and has a pipe shape having a predetermined length in a vertical direction to form a first surface 122 having a flat plate shape extending outward along an edge of the upper opening. And a second surface 128 having a flat plate shape extending outwardly along the edge of the lower opening, engaging the upper opening to abut the lower portion of the first inlet hole 113 of the blow pipe nozzle 110.
  • the nozzle nozzle 120 is connected to the second surface 128 by the fastening means 240, and is made of a streamlined bullet-shaped metal member whose diameter gradually increases from the upper end toward the lower end, and the injection nozzle 120. It includes an air dispersing device 200 for amplifying the flow rate of the air introduced from the second through hole 123 to supply to the filter 300 side.
  • Blow pipe nozzle 110 having a first through-hole 112 is formed in the center and formed in the form of a pipe having a predetermined length in the horizontal direction to form a first inlet hole 113 for injecting air flowing into the lower one side ;
  • a second through hole 123 having a central portion formed in a vertical direction is formed, and has a flat shape in the form of a pipe having a constant length in a vertical direction, and has a flat surface-like second surface 128 extending in an outward direction along an edge of a lower opening. It is formed and coupled to abut the upper opening to the lower portion of the first inlet hole 113 of the blow pipe nozzle 110 and the injection nozzle 120 for injecting air introduced from the first inlet hole 113 from the upper opening to the lower opening ); And
  • the injection nozzle 120 It is made of a streamlined bullet-shaped metal member that is connected by the protruding surface 128 of the injection nozzle 120 and the fastening means 240 and its diameter gradually increases from the upper end toward the lower end, and the injection nozzle 120 It includes an air dispersing device 200 for amplifying the flow rate of the air introduced from the second through hole 123 to supply to the filter 300 side.
  • a second through hole 123 having a central portion in the vertical direction is formed therein, and has a pipe shape having a predetermined length in a vertical direction to form a first surface 122 having a flat plate shape extending outward along an edge of the upper opening.
  • the injection nozzle 120 for coupling the upper opening to the lower portion of the first inlet hole 113 of the blow pipe nozzle 110 and injects air introduced from the first inlet hole 113 from the upper opening to the lower opening.
  • the filter 300 Connected by the upper edge of the filter 300 and the longitudinal fastening means 240 is inserted into the upper end of the filter 300 is mounted and mounted in a streamlined bullet whose diameter gradually increases from the upper end to the lower direction It includes an air dispersing device 200 made of a metal member of the form, the blow pipe nozzle 110 and the injection nozzle 120 is installed at a predetermined distance apart in the upper direction of the filter 300.
  • Blow pipe nozzle 110 having a first through-hole 112 is formed in the center and formed in the form of a pipe having a predetermined length in the horizontal direction to form a first inlet hole 113 for injecting air flowing into the lower one side ;
  • a second through hole 123 having a central portion in the vertical direction is formed therein, and has a pipe shape having a predetermined length in a vertical direction to form a first surface 122 having a flat plate shape extending outward along an edge of the upper opening.
  • an injection nozzle 120 coupled to a lower end of the first inlet hole 113 of the blow pipe nozzle 110 to abut the upper opening and injecting air introduced from the first inlet hole 113 from the upper opening to the lower opening.
  • the blow pipe nozzle 110 and the injection nozzle 120 are fastened and fixed by the fastening means 130.
  • the air dispersing device 200 is made of a streamlined bullet-shaped metal member which is inserted into the upper end of the filter for collecting dust and contaminants by dust collection and is separated and separated, and the diameter gradually increases from the upper end toward the lower side. Include.
  • the present invention amplifies the compressed air injected from the air injection nozzle for the dust collector by the Bernoulli effect, and concentrates the amplified compressed air in the warhead-shaped cone to reduce the ambient air by the Coanda effect. Inhaling air has the effect of maximizing dust removal performance.
  • the present invention can increase the flow rate and the flow rate of the intake air through the Coanda effect by configuring the air dispersing device in the form of a bullet warhead, it is possible to increase the efficiency of the exhaustion and suction process.
  • the present invention has an effect of preventing damage to the filter bag due to the deformation of the conventional air injection nozzle by using the air injection nozzle for the dust collector of the improved structure.
  • the present invention has the effect of minimizing the cost of manufacturing the product because the structure of the air spray nozzle and the air dispersing device for the dust collector is simple.
  • the compressed air of high pressure is uniformly supplied to the filter bag by the air dispersing device, thereby preventing damage to the filter bag and extending the life of the filter bag.
  • FIG. 1 is a view illustrating the flow of jet air flow of a blow tube in a filter structure for a dust collector equipped with a venturi nozzle and a filter structure for a dust collector not equipped with a venturi nozzle according to the related art.
  • FIG. 2 is a perspective view showing a warhead-type impact air dispersion device according to an embodiment of the present invention.
  • Figure 3 is an exploded perspective view showing a warhead-type impact air dispersion device according to an embodiment of the present invention.
  • FIG. 4 is a view showing a warhead-type impact air dispersion device according to a first embodiment of the present invention and the filter structure for the dust collector applied thereto.
  • FIG. 5 is a view showing a warhead-type impact air dispersion device according to a second embodiment of the present invention and the filter structure for the dust collector applied thereto.
  • FIG. 6 is a cross-sectional view showing a warhead-type impact air dispersion device according to a first embodiment of the present invention and a filter structure for a dust collector applied thereto.
  • FIG. 7 is a cross-sectional view showing a warhead-type impact air dispersion device according to a second embodiment of the present invention and the filter structure for the dust collector applied thereto.
  • FIG. 8 is a view showing a warhead-type impact air dispersion device according to a third embodiment of the present invention and the filter structure for the dust collector applied thereto.
  • FIG. 2 is a perspective view showing a warhead-type impact air dispersion device according to an embodiment of the present invention
  • Figure 3 is an exploded perspective view showing a warhead-type impact air dispersion device according to an embodiment of the present invention
  • Figure 4 is a first embodiment of the present invention 1 is a view showing a warhead-type impact air dispersion device and a filter structure for a dust collecting device applying the same
  • Figure 5 is a warhead-type impact air dispersion device and a filter structure for applying a dust collector according to the second embodiment of the present invention
  • 6 is a cross-sectional view showing a warhead-type impact air dispersion device according to a first embodiment of the present invention and a filter structure for a dust collector applied thereto
  • FIG. 7 is a warhead type according to a second embodiment of the present invention. Sectional drawing which shows the impact air dispersion apparatus and the filter structure for dust collectors which apply the same.
  • the warhead-type impact air dispersion device includes an air spray nozzle 100 and an air dispersion device 200 for the dust collector.
  • the air jet nozzle 100 for the dust collector according to the embodiment of the present invention is made of aluminum, stainless steel, galvanized steel, and general steel, and includes a blow pipe nozzle 110 and a jet nozzle 120.
  • Blow pipe nozzle 110 has a through-hole 112 through which air is introduced in the form of a cylindrical pipe is formed in a constant length in the horizontal direction, the first inlet hole 113 is formed in one or more on the lower side inflow Air is blown downward.
  • the injection nozzle 120 is coupled to the lower portion of the blow pipe nozzle 110 and injects air injected from the blow pipe nozzle 110 to the filter 300 in the downward direction.
  • the spray nozzle 120 includes a spray nozzle head 122, an air spray pipe 127, and a fastening portion 128.
  • the injection nozzle head 122 has a circular flat plate shape, in which a second inlet hole 123 is formed in the center and a first nozzle 124a into which the injection nozzle bolt 125 is inserted around the second inlet hole 123. And a plurality of second holes 124b into which the fastening bolts 130 are inserted.
  • the plurality of injection nozzle bolts 125 abut on the lower side of the blow pipe nozzle 110 when combined with the blow pipe nozzle 110 and the injection nozzle head portion 122 of the injection nozzle 120.
  • the injection nozzle bolt 125 may use a variety of bolts, such as square, plate head, it is also possible to change the size and thickness.
  • the fastening part 128 includes a third hole 129 and a third hole in which a third inlet hole 128a is formed at the center in a circular flat plate shape, and the air dispersing device 200 is fastened to the periphery of the third inlet hole 128a.
  • a plurality of four holes 129a are drilled.
  • the fourth hole 129a is a hole which is drilled inward from the edge of the fastening part 128, and one side thereof is opened and the other part thereof is closed.
  • Air injection pipe 127 is formed in the form of a cylindrical pipe having a constant length in the longitudinal direction and is formed in the through hole through which the air is introduced to be connected to the lower portion of the injection nozzle head 122 to be connected to the second inlet hole 123 Both ends are open.
  • One open end of the air injection pipe 127 is fitted into the second inlet hole 123 of the injection nozzle head 122, and then coupled to the injection nozzle head 122 by welding.
  • the other end of the air injection pipe 127 is inserted into the third inlet hole 128a of the fastening part 128 and then coupled to the fastening part 128 by welding.
  • the air injection pipe 127 injects air introduced from the first inlet hole 113 of the blow pipe nozzle 110 toward the filter 300.
  • the diameter of the air injection pipe 127 is adjustable up to 25-200mm according to the size of the blow pipe nozzle 110.
  • blow pipe nozzle 110 and the spray nozzle 120 are fastened and fixed by the ' ⁇ ' shaped fastening bolt 130.
  • the injection nozzle 120 inserts the injection nozzle bolt 125 into the first hole 124a of the injection nozzle head 122, and when the injection nozzle bolt 125 passes through the first hole 124a, the injection nozzle nut ( 126 is fastened by screwing to fix the spray nozzle bolt 125 to the spray nozzle head 122.
  • the first inlet hole 113 of the blow pipe nozzle 110 is positioned on the vertical top of the second inlet hole 123 on the upper surface of the injection nozzle head 122, and then the blow pipe nozzle is formed by the fastening bolt 130. 110 is mounted.
  • the fastening bolt 130 passes to surround the circumference of the blow pipe nozzle 110 downward from the vertical upper portion of the blow pipe nozzle 110 in a ' ⁇ ' shape, and the injection nozzle head portion of the left and right lower ends formed with a thread
  • the pipe nut 140 is screwed to the spray nozzle head 122 and fixed.
  • the head of the injection nozzle bolt 125 causes the gap between the bottom surface of the blow pipe nozzle 110 and the injection nozzle head 122. Of constant air inlet space is formed.
  • the height of the head of the injection nozzle bolt 125 is adjusted according to the size and thickness to determine the size of the air inlet space between the blow pipe nozzle 110 and the injection nozzle head 122 and according to the size of the air inlet space. It is possible to control the change of air inflow.
  • Compressed air flows into the through hole 112 of the blow pipe nozzle 110 and descends on the inner circular wall of the air injection pipe 127 of the injection nozzle 120 when injected from the injection nozzle 120.
  • the injection nozzle 120 is an air inlet space between the blow pipe nozzle 110 and the injection nozzle head 122.
  • the surrounding air is sucked in and the amount of air is greatly amplified (Bernouille effect).
  • the air jet nozzle 100 for the dust collector is coupled to the blow pipe nozzle 110 and the injection nozzle 120 by the fastening bolt 130, the manufacturing process is simple, the manufacturing cost is low, and does not take much time to install.
  • the air spray nozzle 100 for the dust collector is easy to be modified, modified, and maintained.
  • the injection nozzle 120 of the embodiment of the present invention is coupled to the injection nozzle bolt 125 to the upper surface of the injection nozzle head portion 122, but is not limited to this blow to the configuration that does not combine the injection nozzle bolt 125 It may be coupled to the pipe nozzle 110.
  • the air jet nozzle 100 and the air dispersing device 200 for the dust collector according to the embodiment of the present invention can be used for all pulse jet dust filters, such as a cylindrical general filter bag, a cartridge filter, a pleated filter bag.
  • Various types of rectifiers may be installed in the injection nozzle 120 to disperse compressed air and to fire.
  • the rectifier device may be formed in a warhead-shaped cone shape, an acid shape, a flat plate shape, and the like to rapidly accelerate and amplify the flow rate of the inlet air, thereby improving the dust removal performance.
  • Air dispersing apparatus 200 is made of aluminum, non-ferrous metal, stainless steel, galvanized steel, plastic (including reinforced plastic), is produced by injection molding with aluminum die casting and compressed air from the air injection nozzle When is periodically introduced, it increases the efficiency of dust removal by amplifying the flow of compressed air introduced.
  • the air dispersing device 200 includes a cone 210 and a lower housing 220.
  • the cone 210 forms a warhead shape because it is close to the sound velocity of the compressed air introduced from the injection nozzle 120.
  • the warhead shape enhances the dust removal effect by generating shock waves and downward airflow when compressed air is dispersed.
  • the cone 210 is a streamlined shape in which the diameter thereof is gradually increased in the downward direction from the pointed upper end portion, that is, in the flow direction of the fluid, such as the bullet or shell warhead form.
  • Compressed air flowing from the spray nozzle 120 flows on the surface of the cone 210. Air flowing on the surface of the cone 210 inhales air at a high speed around the cone 210 (coanda effect). This coanda effect exhibits a tendency for fluid to cling to or hug close to the surface as it flows through the curved surface.
  • the flow of air emitted from the injection nozzle 120 is a flow of air flowing along the surface of the cone 210 and thereby aspirates the air around the cone 210 to amplify the flow of incoming air.
  • the air dispersing apparatus 200 includes a flow of air in which jet air flows emitted from the blow pipe nozzle 110 and the spray nozzle 120 flows along the outer surface from the upper portion of the cone 210 toward the lower portion, and thus is generated.
  • the coanda effect causes the powerful air flow induced around the cone 210 to be fired toward the filter 300, thus acting as an air amplifier.
  • the air dispersing device 200 amplifies the flow of inflow air through the flow of air that flows along the outer surface of the cone 210 and the air that inhales the ambient air by several tens or more times by the Coanda effect. More powerful dust removal performance.
  • the cone 210 has a sharp upper end in the form of bullets and shells so that the jet stream emitted from the injection nozzle 120 can be uniformly sprayed, and the curved surface must be smooth to maximize the Coanda effect. .
  • the lower housing 220 is attached to the lower surface of the cone 210 is made of a semi-circular curved surface.
  • the lower housing 220 forms a side flow along the semi-circular curved surface so that the jet air flow passing through the cone 210 does not be directed to the inner center of the filter 300, and is discharged by passing from the upper portion of the filter 300 in the downward direction.
  • the lower housing 220 is formed in a hemispherical structure to minimize the resistance when the clean air filtered through the filter medium is discharged to the upper portion of the filter 300.
  • the lower side of the cone 210 protrudes in the form of a wing from the outer edge of the cone 210 to form a dispersion wing 230 formed at least one at regular intervals along the outer edge of the cone 210.
  • Each of the dispersing wings 230 is inclined in the form of an inclined upper portion and a straight line in which the lower portion is parallel to the outer rim.
  • the dispersing wing 230 prevents vortex phenomena of compressed air flowing along the outer surface of the cone 210 and prevents shaking of the air dispersing device 200 so that the compressed air flows straight into the filter 300. Induce.
  • the hook member 240 is made of stainless steel and has a thickness of 3-5 mm and is formed by the number of the dispersing wings 230, and includes a connection part 242, an upper hook 244, and a lower hook 246.
  • connection part 242 is formed in a predetermined length in the vertical direction and is bent at least once while changing the direction.
  • the connecting portion 242 is preferably formed by bending two or more times.
  • the reason for bending the connection portion 242 two or more times is to hold the center of the cone 210 is fixed so as not to shake, and the hook member 240 is the third hole 129 and the dispersing wing ( It serves to easily insert into the hole 232 of the 230.
  • the upper hook 244 extends from the top of the connection portion 242 is made of a ' ⁇ ' shape.
  • the lower hook 246 extends from the bottom of the connecting portion 242 and is formed in a ' ⁇ ' shape.
  • Each dispersing wing 230 has a hole 232 is drilled on one side.
  • the hook member 240 in the longitudinal direction has a lower hook hole 246 penetrating the hole 232 of the dispersing wing portion 230, and an upper hook hole 244 is the third hole 129 of the fastening portion 128. And it is fastened through the fourth hole 129a or one end of the upper surface of the filter 300, so as to be fixed to one of the filter cap 310.
  • Each hook member 240 inserts the lower hook hole 246 into the hole 232 of the dispersing wing portion 230, and then the upper hook hole 244 is inserted into the fourth hole 129a and the third hole 129. When fixed to the air dispersing device 200 and the dust collector air injection nozzle 100 is fastened.
  • the fourth hole 129a is a hole which is open in one side of the outer edge of the fastening part 128 and is pulled out in the inward direction, and the third hole 129 is an air injection pipe 127 than the position where the fourth hole 129a is formed. It is a hole formed close to the side.
  • the upper hook tool 244 is inserted into the open portion of the fourth hole 129a in the horizontal direction, and then the other side is fastened through the third hole 129.
  • the compressed air injected from the first inlet hole 113 of the blow pipe nozzle 110 is combined with the air introduced on the curved surfaces on the left and right sides of the inlet of the injection nozzle head 122 by the Bernoulli effect, thereby amplifying the amount of air.
  • Compressed air injected from the air injection pipe 127 of the injection nozzle 120 passes through at a speed higher than the speed of sound and generates shock waves and is injected into the cone 210 of the air dispersing device 200.
  • the air dispersing apparatus 200 sucks air in the air around the cone 210 by the Coanda effect while the compressed air jetted from the air injection pipe 127 descends on the outer curved surface of the cone 210. 300) to the side.
  • the lower housing 220 of the air dispersing device 200 allows the downward airflow and the impact airflow to diffuse toward the filter 300.
  • the dispersing wing 230 of the air dispersing device 200 prevents the vortex of the compressed air coming down the outer curved surface of the cone 210 and directs the flow of air to the filter 300 side.
  • the warhead-type impact air dispersion device amplifies and distributes the compressed air primarily amplified by the air dispersion nozzle 100 for the dust collector by the air dispersion device 200 to uniformly supply the lower portion of the filter 300. And the third flow to form a downward air flow and impact air flow in the interior of the filter 300 to drop fine dust.
  • the filter structure for the dust collector according to the first embodiment of the present invention is a warhead-type impact air dispersion device combined with a dust collector air injection nozzle 100 and the air dispersing device 200 To install a predetermined distance apart in the upper direction of the filter 300.
  • compressed air injected from the air dispersing device 200 is supplied to the inside of the filter 300 so that dust is exhausted from the upper side of the filter 300 to the lower side. .
  • the filter structure for the dust collector according to the second embodiment of the present invention is a warhead-type impact air dispersion device combined with a dust collector air injection nozzle 100 and the air dispersing device 200 To the filter cap (not shown) of the filter 300 to expose the dust collector air injection nozzle 100 to the outside and the air dispersing device 200 is inserted into the upper end of the filter 300 is mounted.
  • the compressed air jetted from the air spray nozzle 100 for the dust collector descends on the outer surface of the cone 210 of the air dispersing device 200.
  • suctioning the air of several tens of times or more around the cone 210 is exhausted from the upper upper portion of the filter 300 to the lower direction.
  • FIG. 8 is a view showing a warhead-type impact air dispersion device according to a third embodiment of the present invention and the filter structure for the dust collector applied thereto.
  • the dust collector air injection nozzle 100 is installed at a predetermined distance apart from the upper direction of the filter 300, and the hook member 240 of the air dispersing device 200 is installed. ) Is fastened to the filter cap 310 of the filter 300 by the air dispersing device 200 is inserted into the upper end of the filter 300 is mounted.
  • the compressed air injected from the air dispersing device 200 is supplied to the air dispersing device 200 installed inside the upper end of the filter 300, and Dedusting takes place from the inner top to the lower direction.
  • the air jet nozzle 100 for the dust collector shown in FIG. 2 is separated into the blow pipe nozzle 110 and the jet nozzle 120, and is described as being coupled by the fastening bolt 130. It is not limited.
  • the air jet nozzle 100 for the dust collector of another embodiment of the present invention is integrally formed by the blow pipe nozzle 110 and the jet nozzle 120 by welding or the like, and then the air jet pipe 127 is opened.
  • One end may be inserted into the third inlet hole 128a of the fastening part 128, and then coupled to the fastening part 128 by welding.
  • the warhead-type impact air dispersion device of the present invention exemplifies a configuration in which the air spray nozzle 100 and the air dispersion device 200 for the dust collector is combined, but is not limited thereto. 100 or the air disperser 200 may be separately configured and installed inside or outside the filter 300 to be used as a warhead-type impact air disperser.
  • the present invention amplifies the compressed air injected from the air injection nozzle for the dust collector by the Bernoulli effect, and concentrates the amplified compressed air in the warhead-shaped cone to reduce the ambient air by the Coanda effect. Inhaling air has the effect of maximizing dust removal performance.
  • the present invention can increase the flow rate and the flow rate of the intake air through the Coanda effect by configuring the air dispersing device in the form of a bullet warhead, it is possible to increase the efficiency of the exhaustion and suction process.
  • the present invention has an effect of preventing damage to the filter bag due to the deformation of the conventional air injection nozzle by using the air injection nozzle for the dust collector of the improved structure.
  • the present invention has the effect of minimizing the cost of manufacturing the product because the structure of the air spray nozzle and the air dispersing device for the dust collector is simple.
  • the compressed air of high pressure is uniformly supplied to the filter bag by the air dispersing device, thereby preventing damage to the filter bag and extending the life of the filter bag.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

La présente invention concerne un dispositif de dispersion à jet d'air pulsé de type ogive comprenant une buse de tuyau de soufflage (110) comportant un premier trou traversant (112) dont le centre est ouvert, en forme de tuyau d'une certaine longueur dans le sens horizontal et comportant du côté inférieur un premier orifice d'entrée (113) permettant la dispersion de l'air introduit ; une buse de pulvérisation (120) comportant un second trou traversant (123) à centre vertical ouvert, en forme de tuyau d'un certaine longueur dans le sens vertical et ayant un premier plan plat (122) se prolongeant vers l'extérieur le long du bord d'une partie d'ouverture supérieure et un second plan plat (128) se prolongeant vers l'extérieur le long du bord d'une partie d'ouverture inférieure, ladite buse étant telle que la partie d'ouverture supérieure entre en contact avec la partie inférieure du premier orifice d'entrée (113) de la buse de tuyau soufflant (110) et pulvérise, depuis la partie d'ouverture supérieure et en direction de la partie d'ouverture inférieure, l'air introduit depuis le premier orifice d'entrée (113) ; et un dispositif de dispersion d'air (200) relié au second plan (128) de la buse de pulvérisation (120) par un dispositif de raccordement (240) et constitué d'un élément métallique en forme de balle profilée dont le diamètre s'élargit progressivement depuis la partie supérieure terminale et en allant vers le bas, et qui amplifie le débit d'air introduit par le second trou traversant (123) de la buse de pulvérisation (120) afin d'amener l'air jusqu'à un filtre (300).
PCT/KR2013/009027 2012-11-02 2013-10-10 Dispositif de dispersion à jet d'air pulsé de type ogive WO2014069811A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR10-2012-0123347 2012-11-02
KR1020120123345A KR20140056896A (ko) 2012-11-02 2012-11-02 집진기용 공기 분사 장치
KR10-2012-0123345 2012-11-02
KR1020120123347A KR101446229B1 (ko) 2012-11-02 2012-11-02 탄두형 충격기류 분산 장치와 이를 탑재한 집진장치용 필터 구조체
KR20130020531A KR101476696B1 (ko) 2013-02-26 2013-02-26 탄두형 충격기류 분산 장치
KR10-2013-0020531 2013-02-26

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WO2014069811A1 true WO2014069811A1 (fr) 2014-05-08

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107335297A (zh) * 2017-08-23 2017-11-10 中国华能集团清洁能源技术研究院有限公司 一种紧凑型脉冲反吹清灰过滤器
WO2018001693A1 (fr) * 2016-06-28 2018-01-04 Mann+Hummel Gmbh Élément filtrant, en particulier pour la filtration de gaz
WO2018001892A1 (fr) * 2016-06-28 2018-01-04 Mann+Hummel Gmbh Élément filtrant, en particulier pour la filtration de gaz, et dispositif de filtration
EP3549656A4 (fr) * 2016-11-29 2020-10-14 Seiko Epson Corporation Dispositif de collecte de poussière et dispositif de fabrication de feuille
CN111957144A (zh) * 2020-08-23 2020-11-20 陈美林 湿式混合除尘器

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CN111957144B (zh) * 2020-08-23 2022-09-16 陈美林 湿式混合除尘器

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