WO2017110921A1 - Dispositif filtrant pour éliminer des particules liquides - Google Patents

Dispositif filtrant pour éliminer des particules liquides Download PDF

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Publication number
WO2017110921A1
WO2017110921A1 PCT/JP2016/088204 JP2016088204W WO2017110921A1 WO 2017110921 A1 WO2017110921 A1 WO 2017110921A1 JP 2016088204 W JP2016088204 W JP 2016088204W WO 2017110921 A1 WO2017110921 A1 WO 2017110921A1
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WO
WIPO (PCT)
Prior art keywords
particle removal
flow path
gas
filter device
liquid
Prior art date
Application number
PCT/JP2016/088204
Other languages
English (en)
Japanese (ja)
Inventor
浩人 桜井
浩志 西辻
Original Assignee
日東工器株式会社
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
Application filed by 日東工器株式会社 filed Critical 日東工器株式会社
Priority to JP2017558209A priority Critical patent/JP6501914B2/ja
Publication of WO2017110921A1 publication Critical patent/WO2017110921A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities

Definitions

  • the present invention relates to a liquid particle removal filter device for removing liquid particles from a gas flow entrained with liquid particles, and more particularly, in an air duster that blows out dust by blowing compressed air from an air compressor from a discharge port.
  • the present invention relates to a moisture removal filter for removing liquid particles (moisture) contained in the water.
  • Compressed air supplied from an air compressor may be accompanied by liquid particles (water particles) generated during compression.
  • liquid particles water particles
  • Patent Document 1 a filter device for removing such liquid particles (water) has been developed (for example, Patent Document 1).
  • An object of the present invention is to provide a liquid particle removal filter device that can remove liquid particles from a gas without increasing fluid resistance.
  • a fluid removal flow path for removing the liquid particles through the liquid particle entrained gas A gas introduction channel for introducing liquid particle entrained gas into the particle removal channel, At least a part of the peripheral wall defining the particle removal flow path is made of a water absorbing material, The gas introduction path is configured to introduce liquid particle entrained gas so as to hit the wall surface of the particle removal flow path formed by the water absorbing material,
  • the water-absorbing material provides a liquid particle removing filter device adapted to adsorb liquid particles entrained in the gas by applying a liquid particle entrained gas.
  • a preferable water absorbing material in this case is, for example, a PVA sponge material.
  • the liquid particles entrained by the gas are removed without passing the gas through the filter material. Therefore, the liquid particles are removed by passing the gas through the filter material. Therefore, the flow resistance is not increased as compared with the conventional one. Therefore, even if the air duster is used in the above-described air duster, it can be used without reducing the function of the air duster.
  • the water-absorbing material is cylindrical, and the inner peripheral surface thereof constitutes the wall surface of the particle removal channel,
  • the gas introduction path extends radially inward of the particle removal flow path in the longitudinal direction of the particle removal flow path, and the gas introduction port extends laterally from the gas introduction path to form a wall surface of the particle removal flow path. Can be made to face.
  • a gas discharge path that is in fluid communication with the particle removal flow path and discharges the gas from the particle removal flow path may be provided downstream of the gas introduction port in the particle removal flow path.
  • a gas introduction pipe extending in the longitudinal direction of the particle removal flow path and constituting the gas introduction path, and a gas discharge pipe extending in the longitudinal direction and constituting the gas discharge path are radially inward from the wall surface of the particle removal flow path Can be arranged in alignment with each other in the longitudinal direction at positions separated from each other.
  • downstream closed end of the gas introduction pipe and the upstream closed end of the gas discharge pipe are connected to extend linearly in the particle removal flow path.
  • a cylindrical outer cover that wraps the particle removal channel radially outward;
  • the water-absorbing material is adapted to discolor by adsorbing liquid particles of liquid particle entrained gas,
  • the outer cover may have a light-transmitting portion that allows the color of the water-absorbing material to be visible from the outside of the liquid particle removal filter device.
  • the gas discharge path opens on a side surface of the gas discharge pipe, and the particle removal flow path is provided on the side surface around the opening. It is possible to have a cylindrical overflow prevention wall that protrudes in a direction toward the wall surface. This is to prevent the liquid removed in the particle removal channel from collecting in the particle removal channel and flowing out into the gas discharge channel.
  • the particle removal flow path surrounds the gas introduction pipe and the discharge pipe extending in a straight line and extends in the longitudinal direction, and the rear end of the particle removal flow path is the particle removal flow of the gas discharge path. It is preferable to be located on the downstream side of the liquid particle removal filter device with respect to the opening position to the path. That is, when the opening to the particle removal flow path of the gas discharge path is located at the (downstream) end of the particle removal flow path, the liquid particle removal filter device has a downstream side lower than the upstream side. This is to prevent the liquid accumulated in the particle removal flow path from gathering at the end and easily overflowing from the overflow prevention wall.
  • FIG. 1 is a diagram showing an outline of an air duster equipped with a liquid particle removing filter device according to the present invention.
  • 2 is a partial cross-sectional side view of the liquid particle removal filter device according to the present invention mounted on the air duster of FIG.
  • the illustrated air duster 10 includes a battery-driven compressor 14 including a battery 12 and a spiral hose 18 that supplies compressed air from the compressor 14 to a nozzle member 16 for ejecting the compressed air toward a place where dust should be removed.
  • a liquid particle removal filter device 20 according to an embodiment of the present invention is connected between the downstream end of the hose 18 and the upstream end of the nozzle member 16, and the liquid particles entrained with compressed air supplied from the compressor 14 are connected. (Mainly water particles) are removed by the liquid particle removing filter device 20 and supplied to the nozzle member 16.
  • the liquid particle removal filter device 20 receives the compressed air from the particle removal flow path 22 for removing the liquid particles from the liquid particle entrained gas and the compressor 14 supplied through the hose 18. It has a gas introduction path 24 that introduces into the removal flow path 22 and a gas discharge path 26 that receives the gas from which the liquid particles have been removed from the particle removal flow path 22 and supplies the gas to the nozzle member 16.
  • a gas introduction pipe 28 constituting the gas introduction path 24 and a gas discharge pipe 30 constituting the gas discharge path 26 are connected at their ends, and the connected gas introduction pipe 28 and the gas discharge pipe are connected.
  • a cylindrical water-absorbing material 32 formed by forming a PVA sponge sheet or the like in a cylindrical shape is attached around the small-diameter portions 28a and 30a adjacent to each other.
  • a particle removal flow path 22 having a cross section is formed, and a transparent cylindrical outer cover 34 made of a resin such as a PC material is set so as to cover the outer periphery of the water absorbing material 32, and its upstream end 34a and downstream end 34 b is attached to the large diameter portions 28 b and 30 b of the gas introduction pipe 28 and the gas discharge pipe 30 via O-rings 36 and 38.
  • a transparent cylindrical outer cover 34 made of a resin such as a PC material is set so as to cover the outer periphery of the water absorbing material 32, and its upstream end 34a and downstream end 34 b is attached to the large diameter portions 28 b and 30 b of the gas introduction pipe 28 and the gas discharge pipe 30 via O-rings 36 and 38.
  • the gas introduction pipe 28 has a hole 28d penetrating in the longitudinal direction from an upstream end 28c connected to the hose 18 by a screw, and a female screw provided on an inner wall surface on the downstream side of the hole 28d.
  • a male screw 30c provided on the upstream end outer wall surface of the gas discharge pipe 30 is screwed to 28e, and the gas introduction pipe 28 and the gas discharge pipe 30 are linearly connected.
  • the gas discharge pipe 30 has a hole 30f extending from the downstream end opening 30d connected to the nozzle member 16 to the upstream closed end 30e. The closed end 30e allows the gas discharge pipe 30 and the gas discharge pipe 28 to communicate with the gas discharge pipe 28d.
  • the space between the hole 30f of the pipe 30 is shielded, and a gas introduction path 24 and a gas discharge path 26 are formed, respectively.
  • 24 b are provided at equal intervals in the circumferential direction on the side wall of the gas inlet pipe 28, and four gas inlets (3 in the drawing) for discharging the compressed air from the compressor 14 toward the inner peripheral surface of the water absorbent 32.
  • 26b are provided at equal intervals in the circumferential direction on the side wall of the gas exhaust pipe 30, and four gas exhaust ports (three in the drawing) for receiving the gas from the particle removal passage 22 are provided. Only shown).
  • the compressed air from the compressor 14 is The particle removal passage 22 is introduced into the gas introduction passage 24 from the upstream end of the liquid particle removal filter device 20 through the hose 18 and collides with the inner peripheral surface of the particle removal passage 22 through the gas introduction port 24b. , Flows in the particle removal flow path 22 in the longitudinal direction, is discharged into the gas discharge path 26 through the gas discharge port 26 b, is supplied to the nozzle member 16, and is ejected from the tip of the nozzle member 16.
  • the liquid particles entrained in the compressed air from the compressor 14 are mainly discharged from the gas introduction port 24b and adsorbed by the water absorbing material 32 when colliding with the water absorbing material 32 constituting the peripheral wall of the fluid removal flow path 22.
  • the Therefore, the compressed air passed through the liquid particle removal filter device is not permeated through the filter material as in the conventional filter device, and the flow path resistance can be greatly reduced as compared with the conventional filter device.
  • the gas discharge port 26b from the particle removal flow path 22 is provided at a position farther upstream than the downstream end 22a of the particle removal flow path 22, and around the particle removal flow path 22
  • a cylindrical overflow prevention wall 30g is provided so as to protrude toward the water absorbing material 32 constituting the peripheral wall 22. This is to prevent the liquid removed in the particle removal flow path 22 from collecting in the particle removal flow path 22, and to prevent the liquid from flowing into the gas discharge path 26.
  • the nozzle member 16 side of the filter device 10 is tilted so as to be lower than the hose 18 side, the liquid accumulated in the particle removal flow path 22 gathers at the downstream end 22a of the particle removal flow path 22 and is discharged from the gas. This is to prevent the overflow from the outlet 26b.
  • the water absorbing material 32 is preferably discolored by supplying water, so that the degree of water supply by the water absorbing material 32 can be visually recognized through a transparent outer cover.
  • the female screw 28e of the gas introduction tube 28 and the male screw 30c of the gas discharge tube 30 Release the screwing, separate the gas introduction pipe 28 and the gas discharge pipe 30, replace the water absorbing material used so far with a new one, perform the screwing again, and assemble the liquid particle removal filter device Reuse.
  • the present invention is not limited to this.
  • the cylindrical water-absorbing material 32 constituting the peripheral wall of the particle removal channel 22 has been shown to be provided over the entire length of the particle removal channel in order to increase the water supply capability, but it is necessary to do so. There is no.
  • the entire outer cover 34 is transparent, it is only necessary that the degree of absorption of the water absorbing material 32 can be visually recognized from the outside.
  • the present invention is characterized by adsorbing liquid particles without allowing the water absorbing material to permeate by flowing the liquid particle entrained gas so as to impinge on the water absorbing material.
  • the shape and the like of the discharge path can be arbitrarily modified as necessary.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Compressor (AREA)
  • Cleaning In General (AREA)
  • Separating Particles In Gases By Inertia (AREA)

Abstract

La présente invention vise à fournir un dispositif filtrant permettant d'éliminer des particules de liquide, et apte éliminer des particules de liquide dans un flux gazeux sans augmenter la résistance du trajet d'écoulement. À cet effet, l'invention concerne un dispositif filtrant pour éliminer des particules de liquide, qui comprend un trajet d'écoulement d'élimination de fluide (22) pour éliminer des particules de liquide en passant à travers un gaz portant des particules de liquide, et un trajet d'introduction de gaz (24) qui introduit le gaz portant des particules de liquide dans un trajet d'écoulement d'élimination de particules (22). Au moins une partie de la paroi périphérique définissant le trajet d'écoulement d'élimination de particules est constituée d'un matériau d'absorption d'eau (32), et le trajet d'introduction de gaz (24) introduit le gaz portant des particules de liquide de telle sorte que le gaz portant des particules de liquide entre en collision contre la surface de paroi du trajet d'écoulement d'élimination de particules constituée du matériau d'absorption d'eau. En entrant en collision avec le gaz portant des particules de liquide, le matériau d'absorption d'eau adsorbe des particules de liquide qui sont portées par le gaz.
PCT/JP2016/088204 2015-12-24 2016-12-21 Dispositif filtrant pour éliminer des particules liquides WO2017110921A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2017558209A JP6501914B2 (ja) 2015-12-24 2016-12-21 液体粒子除去フィルタ装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015251963 2015-12-24
JP2015-251963 2015-12-24

Publications (1)

Publication Number Publication Date
WO2017110921A1 true WO2017110921A1 (fr) 2017-06-29

Family

ID=59089404

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/088204 WO2017110921A1 (fr) 2015-12-24 2016-12-21 Dispositif filtrant pour éliminer des particules liquides

Country Status (2)

Country Link
JP (1) JP6501914B2 (fr)
WO (1) WO2017110921A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07512U (ja) * 1993-05-28 1995-01-06 昭和電機株式会社 オイルミスト除去装置
JPH07328373A (ja) * 1994-06-07 1995-12-19 Nippon Soken Inc 水分除去装置
JPH09299737A (ja) * 1996-05-16 1997-11-25 Sanyo Electric Co Ltd 水分除去装置
JP2014028410A (ja) * 2012-07-31 2014-02-13 Hitachi Koki Co Ltd 空気工具

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5475050U (fr) * 1977-11-08 1979-05-28
JP2906347B1 (ja) * 1998-06-11 1999-06-21 耕道 押鐘 除湿装置
CN101835525B (zh) * 2007-10-22 2013-11-06 Smc株式会社 气压驱动设备用调湿空气系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07512U (ja) * 1993-05-28 1995-01-06 昭和電機株式会社 オイルミスト除去装置
JPH07328373A (ja) * 1994-06-07 1995-12-19 Nippon Soken Inc 水分除去装置
JPH09299737A (ja) * 1996-05-16 1997-11-25 Sanyo Electric Co Ltd 水分除去装置
JP2014028410A (ja) * 2012-07-31 2014-02-13 Hitachi Koki Co Ltd 空気工具

Also Published As

Publication number Publication date
JPWO2017110921A1 (ja) 2018-07-26
JP6501914B2 (ja) 2019-04-17

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