WO2023032069A1 - 異物除去装置 - Google Patents

異物除去装置 Download PDF

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Publication number
WO2023032069A1
WO2023032069A1 PCT/JP2021/032093 JP2021032093W WO2023032069A1 WO 2023032069 A1 WO2023032069 A1 WO 2023032069A1 JP 2021032093 W JP2021032093 W JP 2021032093W WO 2023032069 A1 WO2023032069 A1 WO 2023032069A1
Authority
WO
WIPO (PCT)
Prior art keywords
foreign matter
fluid
trap
section
outflow
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2021/032093
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
竜晴 山口
幸大 栗原
清治 野田
茂 飯島
一暉 長田
正純 知崎
慶郎 青▲柳▼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to PCT/JP2021/032093 priority Critical patent/WO2023032069A1/ja
Priority to JP2021576983A priority patent/JP7317153B1/ja
Publication of WO2023032069A1 publication Critical patent/WO2023032069A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00Apparatus in which the axial direction of the vortex is reversed
    • B04C5/08Vortex chamber constructions
    • B04C5/103Bodies or members, e.g. bulkheads, guides, in the vortex chamber

Definitions

  • the present invention relates to a foreign matter removing device for removing foreign matter contained in fluid in a pipe.
  • a foreign matter removing device that removes foreign matter by using swirl flow and gravity sedimentation when removing foreign matter contained in fluid in a pipe (for example, Patent Document 1).
  • This foreign matter removing device utilizes swirl flow and gravity settling to remove foreign matter such as iron rust, insoluble salts, corrosion products, etc. that may be contained in fluid such as water flowing in the pipe, Contribute to damage control.
  • a foreign matter removing device is used, for example, in a heat pump hot water supply and heating system that has a circulating water circuit that uses iron radiators and iron pipes.
  • Iron radiators, iron pipes, and the like in the circulating water circuit can generate foreign matter such as iron rust in the fluid in the circulating water circuit. Therefore, the foreign matter removing device is used to remove foreign matter, such as iron rust, which has a higher specific gravity than the fluid.
  • foreign matter such as air which has a lower specific gravity than the fluid
  • air dissolved in the fluid in the circuit may be generated as air bubbles due to temperature rise depending on the operation of the hot water supply/room heating system. Since there is a possibility that the generated air bubbles may affect the pump, there is a demand for a foreign matter removing device that can more appropriately remove foreign matter, such as air bubbles, which has a lower specific gravity than the fluid.
  • the present invention has been made in view of the above circumstances, and has the ability to remove foreign matter such as iron rust, which has a higher specific gravity than the fluid, and also has the ability to remove foreign matter, such as air bubbles, which has a lower specific gravity than the fluid. It is an object of the present invention to provide a foreign matter removing device with improved performance.
  • a foreign matter removing device is a foreign matter removing device that removes foreign matter contained in a fluid in a pipe by using a swirling flow in a trap portion, and includes an inflow portion that causes the fluid to flow into the trap portion, a tubular A separating portion having a structure for separating the fluid that has flowed in from the inflow portion into the inner fluid of the swirling flow flowing inside the cylindrical structure and the outer fluid of the swirling flow flowing outside the cylindrical structure, and the separating portion are separated. an outflow portion for causing the outer fluid to flow out of the inside of the trap portion.
  • a foreign matter removing apparatus capable of removing foreign matter, such as iron rust, which has a higher specific gravity than a fluid, while improving the ability to remove foreign matter, such as air bubbles, having a lower specific gravity than the fluid. It becomes possible to
  • FIG. 1 is a vertical sectional view schematically showing the foreign matter removing device according to Embodiment 1;
  • FIG. 1 is a horizontal sectional view schematically showing the foreign matter removing device according to Embodiment 1;
  • FIG. 1 is a vertical sectional view schematically showing the foreign matter removing device according to Embodiment 1;
  • FIG. 1 is a horizontal sectional view schematically showing the foreign matter removing device according to Embodiment 1;
  • FIG. 1 is a vertical sectional view schematically showing a foreign matter removing device 1 according to Embodiment 1.
  • FIG. FIG. 2 is a horizontal sectional view schematically showing the foreign matter removing device 1 according to Embodiment 1.
  • the foreign matter removing device 1 is installed in a circuit through which a fluid such as water flows.
  • a foreign matter removing device 1 is a device that removes foreign matter contained in an inflow fluid and outflows the fluid. It includes a discharge means 7, a second foreign matter trapping section 8, a second foreign matter discharge means 9, and the like.
  • arrows indicate the moving direction of the fluid flowing through the foreign matter removing apparatus 1. As shown in FIG.
  • the trap 2 is a hollow cylindrical structure. When the contaminant removing apparatus 1 is installed in a circuit through which fluid flows, the trap 2 is a member arranged to extend vertically as illustrated in FIG. It has a reduced diameter structure that reduces the diameter.
  • the trap 2 may be made of metal such as stainless steel, brass, copper, aluminum, steel, or may be made of polytetrafluoroethylene (Teflon (registered trademark) resin), polyvinyl chloride, polyethylene, polystyrene, polypropylene, polysulfone, isoprene rubber.
  • butadiene rubber butadiene rubber, styrene-butadiene rubber, aromatic polyamide (nylon 6 or nylon 6-6, etc.), ABS (acrylonitrile-butadiene-styrene), acrylic, carbon fiber reinforced plastic, and the like.
  • the inflow part 3 is an element that constitutes a flow path for allowing the fluid flowing in the circuit to flow into the trap 2 .
  • One of the inlets 3 is connected to the circuit via piping and the other of the inlets 3 is connected to the trap 2, as illustrated in FIG.
  • the outflow part 4 is an element that constitutes a flow path for causing the fluid flowing in the trap 2 to flow out to a circuit outside the trap 2 . As illustrated in FIG. 1, one of the outlets 4 is connected to the trap 2 and the other of the outlets 4 is connected to the circuit via piping.
  • the outflow part 4 discharges the outer fluid separated into the inner fluid of the swirling flow flowing inside the cylindrical structure and the outer fluid of the swirling flow flowing outside the cylindrical structure by the later-described separating part 5 to the circuit outside the trap 2 .
  • the inflow portion 3 and the outflow portion 4 are such that the central axis in the flow direction of the fluid flowing in the inflow portion 3 and the central axis in the flow direction of the fluid flowing in the outflow portion 4 are deviated.
  • the central axis of the fluid flowing through the inflow portion 3 and the central axis of the fluid flowing through the outflow portion 4 are not arranged on the same straight line. There is. With this configuration, the fluid that has flowed into the foreign matter removing device 1 from the inflow portion 3 is prevented from flowing straight out of the foreign matter removing device 1 from the outflow portion 4 as it is.
  • the fluid that has flowed into the foreign matter removing apparatus 1 from the inflow portion 3 becomes a swirling flow that swirls within the trap 2 along the outer periphery of the trap 2 whose horizontal cross section is circular, and then flows into the outflow portion. 4 to the outside of the foreign matter removing apparatus 1 .
  • the separation part 5 is a separation member for separating the fluid that has flowed into the foreign matter removing device 1 from the inflow part 3 into the outer peripheral side of the trap 2 and the central axis side of the trap 2 .
  • the separation part 5 is also a hollow cylindrical member arranged inside the trap 2 and spaced apart from the outer circumference of the trap 2, and has a tubular structure.
  • the inner diameter of the separating part 5 is smaller than the inner diameter of the trap 2 at the position where the separating part 5 is arranged.
  • the fluid that has flowed into the foreign matter removing apparatus 1 from the inflow portion 3 is divided into two types: the inner fluid of the swirling flow flowing inside the separating portion 5 and the outer fluid of the swirling flow flowing outside the separating portion 5 in the trap 2 . is separated into
  • the separating section 5 is arranged above the trap 2 as illustrated in FIG.
  • the separation section 5 is arranged vertically above the inflow section 3 .
  • the outflow section 4 is also arranged vertically above the inflow section 3, as illustrated in FIG. Therefore, the separating portion 5 is arranged at a position approximately equal to the connecting portion of the trap 2 to which the outflow portion 4 is connected in the vertical direction. In other words, the outflow portion 4 is arranged so as to face the separation portion 5 outside the separation portion 5 in the outer peripheral direction.
  • the second foreign matter such as air bubbles contained in the fluid that has flowed in from the inflow portion 3, which is a foreign matter having a lower specific gravity than the fluid, is collected in the separation portion 5 vertically above the inflow portion 3, and the foreign matter is collected.
  • the second foreign matter such as air bubbles, which is lighter in specific gravity than the fluid, is removed, and the outside fluid separated by the separating portion 5 flows out from the outflow portion 4 .
  • the fluid flows in the trap 2 in a cyclonic manner as a swirling flow to form a vortex.
  • the rotation associated with the vortex exerts a centrifugal force that pushes the fluid outward.
  • the fluid inside the trap 2 has a high pressure on the outside and a low pressure on the center side.
  • a second foreign object, such as air bubbles, which has a lower specific gravity than the fluid will gather in the center of the trap 2 depending on such a pressure difference.
  • the second foreign matter such as air bubbles, which has a lower specific gravity than the fluid, gathers in the central portion inside the separation section 5 inside the trap 2 .
  • the first foreign matter such as iron rust, which has a higher specific gravity than the fluid
  • the outflow portion 4 arranged so as to face the separating portion 5 outside in the outer peripheral direction of the separating portion 5 removes only the first foreign matter, such as iron rust, which has a higher specific gravity than the fluid.
  • the trap 2 is tapered in the vertical direction of the contaminant removing apparatus 1 so that its diameter decreases downward at a portion below the position where the inflow portion 3 is connected.
  • Such a diameter-reduced tapered structure makes it possible to prevent the gravity-settled first foreign matter having a high specific gravity from being lifted up by the motion of the fluid.
  • the first contaminant capturing part 6 is a component for capturing the first contaminant, such as iron rust, which has a higher specific gravity than the fluid.
  • the first foreign matter trapping portion 6 is a space provided below the diameter-reduced tapered structure of the trap 2 .
  • the first contaminant capturing section 6 captures the first contaminant having a high specific gravity that has settled due to gravity in the space.
  • a first foreign object discharging means 7 is provided vertically below the first foreign object capturing section 6 .
  • the first contaminant discharging means 7 is a component for discharging the first contaminant having a high specific gravity captured by the first contaminant capturing portion 6 .
  • the first foreign matter discharge means 7 is, for example, a valve, and when it is in an open state, it discharges the first foreign matter with a heavy specific gravity captured by the first foreign matter capturing portion 6 to the outside.
  • the second contaminant capturing section 8 is a component for capturing a second contaminant, such as air bubbles, which has a lower specific gravity than the fluid. Specifically, as shown in FIG. 1, the second foreign object capturing section 8 is vertically above the separation section 5 and provided above the uppermost part of the inner wall of the trap 2 related to L1 described above. Space. With such a configuration, the second foreign matter separated by the separating portion 5 and contained in the inner fluid can be efficiently caught in the space of the second foreign matter capturing portion 8 .
  • a second foreign object discharging means 9 is provided vertically above the second foreign object capturing section 8 .
  • the second contaminant discharging means 9 is a component for discharging the second contaminant having a low specific gravity captured by the second contaminant capturing portion 8 .
  • the second foreign matter discharging means 9 is, for example, an air valve, and when opened, discharges the second foreign matter having a low specific gravity captured by the second foreign matter trapping portion 8 to the outside.
  • the bubbles captured by the second foreign matter capturing section 8 can be combined to form air by gathering together.
  • the horizontal inner diameter of the second foreign matter trapping portion 8 is set larger than the horizontal inner diameter of the separating portion 5 . It is designed to be small.

Landscapes

  • Degasification And Air Bubble Elimination (AREA)
  • Physical Water Treatments (AREA)
  • Cyclones (AREA)
PCT/JP2021/032093 2021-09-01 2021-09-01 異物除去装置 Ceased WO2023032069A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2021/032093 WO2023032069A1 (ja) 2021-09-01 2021-09-01 異物除去装置
JP2021576983A JP7317153B1 (ja) 2021-09-01 2021-09-01 異物除去装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/032093 WO2023032069A1 (ja) 2021-09-01 2021-09-01 異物除去装置

Publications (1)

Publication Number Publication Date
WO2023032069A1 true WO2023032069A1 (ja) 2023-03-09

Family

ID=85410970

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/032093 Ceased WO2023032069A1 (ja) 2021-09-01 2021-09-01 異物除去装置

Country Status (2)

Country Link
JP (1) JP7317153B1 (https=)
WO (1) WO2023032069A1 (https=)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128060A (en) * 1978-03-28 1979-10-04 Ereko Kk Method of separating solid heavy minute foreign matter and light minute foreign matter from liquid and its device
JPH06198110A (ja) * 1992-12-28 1994-07-19 Gijutsu Kaihatsu Sogo Kenkyusho:Kk 気液分離装置
JPH06319921A (ja) * 1993-05-18 1994-11-22 Sanshin Seisakusho:Kk 固液分離器
JPH079401U (ja) * 1993-07-22 1995-02-10 シェルテック有限会社 ホッパー型沈殿分離装置
JP2003164774A (ja) * 2001-12-03 2003-06-10 Miike Iron Works Co Ltd 液中洗浄比重分離装置
JP2005336698A (ja) * 2004-05-21 2005-12-08 Voith Paper Patent Gmbh 繊維状物質懸濁液をスクリーン処理するための加圧ソータならびに該加圧ソータの使用法
JP2012050929A (ja) * 2010-09-01 2012-03-15 Gijutsu Kaihatsu Sogo Kenkyusho:Kk 脱泡器
JP2012143722A (ja) * 2011-01-13 2012-08-02 Kobori Tekko Kk 異物粒子分離装置、および被処理流体浄化システム
JP2015202448A (ja) * 2014-04-14 2015-11-16 中部クリーン株式会社 固液分離装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131960A (ja) * 1974-09-11 1976-03-18 Midori Hirohashi Sangenbunriryutaisaikuron
NZ197894A (en) 1980-08-11 1985-07-12 Hydro Int Ltd Vortex separator for sewage treatment;conical flow modifier in solids outlet
AU7865894A (en) 1994-09-01 1996-03-22 Kvaerner Pulping Ab Separator for removing impurities from a fluid
JP4834713B2 (ja) * 2008-10-15 2011-12-14 株式会社東芝 固液分離装置
BE1027073B1 (nl) * 2019-02-21 2020-09-21 Atlas Copco Airpower Nv Cycloonafscheider

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128060A (en) * 1978-03-28 1979-10-04 Ereko Kk Method of separating solid heavy minute foreign matter and light minute foreign matter from liquid and its device
JPH06198110A (ja) * 1992-12-28 1994-07-19 Gijutsu Kaihatsu Sogo Kenkyusho:Kk 気液分離装置
JPH06319921A (ja) * 1993-05-18 1994-11-22 Sanshin Seisakusho:Kk 固液分離器
JPH079401U (ja) * 1993-07-22 1995-02-10 シェルテック有限会社 ホッパー型沈殿分離装置
JP2003164774A (ja) * 2001-12-03 2003-06-10 Miike Iron Works Co Ltd 液中洗浄比重分離装置
JP2005336698A (ja) * 2004-05-21 2005-12-08 Voith Paper Patent Gmbh 繊維状物質懸濁液をスクリーン処理するための加圧ソータならびに該加圧ソータの使用法
JP2012050929A (ja) * 2010-09-01 2012-03-15 Gijutsu Kaihatsu Sogo Kenkyusho:Kk 脱泡器
JP2012143722A (ja) * 2011-01-13 2012-08-02 Kobori Tekko Kk 異物粒子分離装置、および被処理流体浄化システム
JP2015202448A (ja) * 2014-04-14 2015-11-16 中部クリーン株式会社 固液分離装置

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JP7317153B1 (ja) 2023-07-28

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