WO2016206064A1 - Pompe à anneau liquide - Google Patents

Pompe à anneau liquide Download PDF

Info

Publication number
WO2016206064A1
WO2016206064A1 PCT/CN2015/082427 CN2015082427W WO2016206064A1 WO 2016206064 A1 WO2016206064 A1 WO 2016206064A1 CN 2015082427 W CN2015082427 W CN 2015082427W WO 2016206064 A1 WO2016206064 A1 WO 2016206064A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
distribution plate
pump
gas distribution
annular portion
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/CN2015/082427
Other languages
English (en)
Chinese (zh)
Inventor
刘时章
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.)
Weihai Lingyun Fluid Transmission Technology Co Ltd
Original Assignee
Weihai Lingyun Fluid Transmission Technology Co Ltd
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 Weihai Lingyun Fluid Transmission Technology Co Ltd filed Critical Weihai Lingyun Fluid Transmission Technology Co Ltd
Priority to PCT/CN2015/082427 priority Critical patent/WO2016206064A1/fr
Publication of WO2016206064A1 publication Critical patent/WO2016206064A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C7/00—Rotary-piston machines or pumps with fluid ring or the like

Definitions

  • the present invention relates to a pump, and more particularly to a liquid ring pump.
  • the conventional liquid ring pump is provided with components such as a pump body, a pump cover and an impeller.
  • the rotary motion of the offset impeller in the pump chamber causes the working chamber volume in the pump to periodically change, thereby achieving the purpose of pumping.
  • Its working chamber consists of a rotating liquid ring and an impeller. When working, the air inlet is connected to the vacuumed container.
  • the structure of the liquid ring pump is relatively simple, the manufacturing precision is not high, and it is easy to process; generally it can be directly connected with the motor without a deceleration device; the number of revolutions of the pump is high, so a large displacement can be obtained with a small structural size.
  • the footprint is also small.
  • the biggest problem of the existing liquid ring pump is that its hydraulic loss is large, the efficiency is very low, generally about 30%; when the impeller starts to rotate, the liquid directly impacts the pump body, and the liquid is easy to go out, resulting in a large amount of liquid, energy loss. Larger.
  • the invention provides a liquid ring pump with small energy loss and high efficiency, aiming at the technical problem that the existing liquid ring pump has large energy loss and low efficiency.
  • the present invention is provided with a pump body, a pump cover, a main gas distribution plate, an eccentric shaft and an impeller, and the pump cover is provided with an intake port and an exhaust port;
  • the pump cover is connected to the pump body, and the main gas distribution plate is disposed on the pump cover
  • the main gas distribution plate and the pump body enclose a pump chamber, and the eccentric shaft passes through the pump cover and the main gas distribution plate to enter the pump chamber, and the impeller is disposed at the end of the eccentric shaft of the pump chamber;
  • the main gas distribution plate is provided There is a main gas distribution plate suction port and a main gas distribution plate exhaust port, the main gas distribution plate suction port is connected with the suction port, the main gas distribution plate exhaust port is connected with the exhaust port, and the pump chamber is provided with a rotor and an impeller. Located in the rotor, when the impeller rotates, the liquid in the rotor rotates together, and the liquid rotating in the rotor drives the rotor to
  • the liquid ring pump is further provided with a secondary gas distribution plate and a sealing ring
  • the auxiliary gas distribution plate is sleeved on the eccentric shaft, is located between the main gas distribution plate and the impeller, and the auxiliary gas distribution plate is provided with the auxiliary air distribution plate suction port.
  • the auxiliary gas distribution plate suction port communicates with the main gas distribution plate suction port
  • the auxiliary gas distribution plate exhaust port communicates with the main gas distribution plate exhaust port
  • the sealing ring is sleeved on the auxiliary gas distribution plate
  • the rotor is provided with an annular portion, one side of the annular portion is provided with an annular portion, and the annular portion is provided with a rotor ring, and the rotor ring is sleeved on the rotor shaft through a bearing.
  • the outer circumference of the annular portion is provided with a peripheral projection along a circumferential portion thereof, and an inner circumference of the annular portion is provided with an inner peripheral projection along a circumferential portion thereof.
  • the annular portion body is further provided with a conical protrusion, and a through hole is further formed in the annular portion body and the conical protrusion.
  • the inner side of the conical projection is provided with a stopper, and the through holes are separated by the stopper.
  • the rotor ring in the annular portion is provided with a diagonal baffle along its circumferential direction.
  • the outer peripheral edge of the sealing ring is provided with a sealing bolt hole
  • the annular portion is provided with an annular bolt hole
  • the sealing bolt hole is connected with the annular bolt hole through the bolt.
  • the liquid ring pump is a single suction pump or a double suction pump.
  • the invention has the advantages that by providing a rotatable rotor in the pump chamber, the impact of the liquid on the inner wall of the pump and the large friction in the prior art is avoided, and the rotor can be rotated and placed on the fixed rotor shaft through the bearing, so that The hydraulic loss of the pump is directly reduced by more than half, and the efficiency of the pump is increased by 30% to 50%. At the same time, the rotatable rotor avoids the impact of the liquid directly on the fixed pump body, the liquid flow rebound is not obvious, and the liquid discharge amount is small. Less energy loss.
  • the invention provides a rotatable rotor in the pump chamber, which can be applied to a single suction pump or a double suction pump, and has a wide application range.
  • Figure 1 is an exploded view of the main components of the present invention
  • Figure 2 is a cross-sectional view of the present invention
  • Figure 3 is a first perspective view of the rotor
  • Figure 4 is a second perspective view of the rotor
  • Figure 5 is a front view of the rotor
  • Figure 6 is a left side view of the rotor.
  • the present invention is provided with a pump body 1, a pump cover 2, an eccentric shaft 3 and an impeller 4.
  • the eccentric shaft 3 drives the impeller 4 to rotate, and the liquid in the pump forms a liquid ring in the pump body 1.
  • the working chamber is composed of a rotating liquid ring and an impeller 4, and the rotary motion of the biased impeller 4 in the pump body periodically changes the volume of the working chamber in the pump, thereby achieving the purpose of pumping.
  • the pump cover 2 is arranged side by side with an opening 21 and an exhaust port 22, and the intake port 21 and the exhaust port 22 communicate with the concave suction chamber 23 and the exhaust chamber 24 in the pump cover 2, respectively.
  • the pump cover 2 and the pump body 1 are fixedly connected by bolts or the like, and a main air distribution plate 5 is disposed between them, and a space enclosed by the main air distribution plate 5 and the pump body 1 is a pump chamber 6.
  • An eccentric shaft hole 25 is disposed at an upper portion of the annular portion of the pump cover 2, and the eccentric shaft 3 is disposed in the eccentric shaft hole 25 through the bearing and extends into the pump chamber 6, and the impeller 4 is fixedly mounted in the pump chamber 6 in the eccentric shaft 3 The end of the line.
  • the impeller 4 also rotates along with it.
  • the main air distribution plate 5 has a circular shape, and a main air distribution plate hole 51 corresponding to the eccentric shaft hole 25 is disposed at an upper position, and a corresponding horn-shaped main gas distribution is provided on both sides of the main air distribution plate hole 51.
  • the main air distribution plate intake port 52 communicates with the air intake port 21 through the air suction chamber 23; the horn of the main air distribution plate exhaust port 53 is divided into a plurality of small cells which communicate with the exhaust port 22 through the exhaust chamber 24. .
  • the rear end of the pump body 1 is fixedly coupled with a rotor shaft 11 by bolts or the like, and the rotor shaft 11 projects from the rear end of the pump body 1 into the pump chamber 6.
  • the present invention is further provided with a rotor 7, as shown in Figures 3 to 6, the rotor 7 is provided with:
  • the annular portion 71, the outer circumference of the annular portion 71 is provided with a uniformly distributed rectangular outer peripheral protrusion 711 along the circumferential portion thereof. Since the rotor 7 is rotated in the pump chamber 6, the outer peripheral protrusion 711 corresponds to the blade of the vortex pump, and the sub-gas is supplied to the sub-gas.
  • the inner circumference of the annular portion 71 is also provided with a uniformly distributed rectangular inner peripheral protrusion 713 along the circumferential portion of the annular portion 71.
  • the inner circumferential protrusion 713 is a reinforcing rib or may not be disposed;
  • the annular portion 72, the annular portion 72 is disposed on one side of the annular portion 71, and may be integrally formed with the annular portion 71, or may be fixedly connected by welding or other means; the middle portion of the annular portion 72 is further provided There is a rotor ring 721, and the rotor ring 721 is sleeved on the rotor shaft 11 by bearings, so that the rotor 7 can move circumferentially around the rotor shaft 11; the rotor ring 721 inside the annular portion 71 is evenly distributed along its circumferential direction.
  • the oblique baffle 10 is distributed, and the inclined baffle 10 is a reinforcing rib; the annular block body 72 is evenly provided with a plurality of through holes 722 along the circumferential portion thereof, and the liquid flowing into the pump chamber 6 can pass through the infusion tube 12 and pass through The orifice 722 re-enters the rotor chamber, avoiding the frequent addition of liquid to the pump.
  • the tapered protrusion 73 is disposed on the annular portion 72, and has a plurality of evenly distributed stops 731 on the inner side thereof.
  • the stop 731 is a reinforcing rib; the through hole 722 is located inside the tapered protrusion 73. And separated by a block 731 one by one.
  • a sub-gas distribution plate 8 is further disposed on the eccentric shaft 3 between the main gas distribution plate 5 and the impeller 4, and the sub-gas distribution plate 8 is provided with a horn shape of the same shape and size at a position corresponding to the main gas distribution plate 5.
  • the sub air distribution plate intake port 81 and the sub air distribution plate exhaust port 82 are merely the horn shape of the entire sub air distribution plate exhaust port 82, and are not further divided into small cells.
  • the sub air distribution plate 8 has a small size and is retained only to the outer edge of the sub air distribution plate suction port 81 and the sub air distribution plate exhaust port 82.
  • the present invention is further provided with a sealing ring 9 which is annular in shape and has an inner circumference which is fitted over the sub-gas distribution plate 8.
  • the outer peripheral edge of the sealing ring 9 is provided with a plurality of evenly distributed sealing ring bolt holes 91.
  • the side edges of the annular portion 71 opposite to the annular blocking member 72 are provided with a plurality of evenly distributed annular bolt holes 712 along the circumferential direction thereof.
  • the seal bolt hole 91 is connected to the annular bolt hole 712 by bolts, so that the seal ring 9 and the rotor 7 are fixedly coupled together.
  • the rotor chamber surrounded by the rotor 7, the sub-gas distribution plate 8 and the sealing ring 9 of the liquid ring pump is provided with an appropriate amount of liquid as a working fluid.
  • the impeller 4 in Fig. 1 is rotated in the counterclockwise direction, the liquid is thrown by the impeller 4 Around the circumference, due to the centrifugal force, the liquid forms a closed liquid ring of approximately equal thickness in the space they form, and the rotor 7 also rotates with it under the action of the liquid.
  • the existing structure is that the liquid directly forms a liquid ring in the pump body 1.
  • the rotating rotor 7 rotates together with the flow, and the rotor is placed on the rotor ring 721 through the bearing, and the frictional energy is very small, greatly improving the efficiency of the liquid ring pump.
  • the inner surface of the lower portion of the liquid ring is just tangent to the hub of the impeller 4, and the upper inner surface of the liquid ring is tangent to the hub of the impeller 4 or the vanes of the impeller 4 have a certain depth of insertion.
  • a crescent-shaped space is formed between the hub of the impeller 4 and the liquid ring, and this space is divided by the impeller 4 into a plurality of small working chambers having the same number of blades. If the lower part 0° of the impeller 4 is used as the starting point, the working chamber volume becomes smaller from 180° before the rotation of the impeller 4, and the suction port 81 of the sub-gas distribution plate, the suction port 52 of the main air distribution plate, and the suction are adopted.
  • the cavity 23 is in communication with the suction port 21, at which time the gas is sucked in.
  • the working chamber is isolated from the suction port 21; when the impeller 4 continues to rotate, the working chamber volume is reduced from large to small, so that the gas is compressed.
  • the working chamber communicates with the exhaust port 22 through the sub-gas distribution plate exhaust port 82, the main air distribution plate exhaust port 53, and the exhaust gas chamber 24, the gas is discharged outside the pump.
  • the invention is applicable not only to the single suction pump but also to the double suction pump.
  • a rotatable rotor can be arranged outside the impeller, and the liquid in the rotor is rotated together when the impeller rotates, and the rotor rotates. The liquid drives the rotor to rotate together.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne une pompe à anneau liquide. Un rotor (7) se trouve à l'intérieur d'une chambre de pompage (6) de la pompe à anneau liquide, et un impulseur (4) se situe à l'intérieur du rotor (7). Lorsque l'impulseur (4) tourne, le liquide contenu à l'intérieur dudit rotor (7) est entraîné pour tourner aussi, et le liquide tournant situé à l'intérieur du rotor (7) entraîne ce rotor (7) afin qu'ils tournent ensemble. La pompe à anneau liquide présente une faible consommation d'énergie et un rendement élevé.
PCT/CN2015/082427 2015-06-26 2015-06-26 Pompe à anneau liquide Ceased WO2016206064A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/082427 WO2016206064A1 (fr) 2015-06-26 2015-06-26 Pompe à anneau liquide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/082427 WO2016206064A1 (fr) 2015-06-26 2015-06-26 Pompe à anneau liquide

Publications (1)

Publication Number Publication Date
WO2016206064A1 true WO2016206064A1 (fr) 2016-12-29

Family

ID=57584436

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/082427 Ceased WO2016206064A1 (fr) 2015-06-26 2015-06-26 Pompe à anneau liquide

Country Status (1)

Country Link
WO (1) WO2016206064A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114593060A (zh) * 2022-03-25 2022-06-07 淄博水环真空泵厂有限公司 一种水环真空泵适应工况的气量调节方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1021815A1 (ru) * 1981-03-31 1983-06-07 Московское Ордена Ленина, Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Высшее Техническое Училище Им. Н.Э.Баумана Жидкостно-кольцева машина
CN2148200Y (zh) * 1992-11-01 1993-12-01 胡平 同步液环泵
CN1258817A (zh) * 2000-01-03 2000-07-05 蒋子刚 转筒式液环真空泵/压缩机
EP1855010A1 (fr) * 2006-05-11 2007-11-14 Pompetravaini S.p.A. Pompe à vide à anneau liquide monoétagée avec tubulures d'aspiration et de refoulement intégrées au corps central.
CN201636014U (zh) * 2010-01-12 2010-11-17 河南省豫通泵业有限公司 一种高效液环泵
CN201925182U (zh) * 2010-11-03 2011-08-10 西安泵阀总厂有限公司 径向力自平衡式两级液环泵

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1021815A1 (ru) * 1981-03-31 1983-06-07 Московское Ордена Ленина, Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Высшее Техническое Училище Им. Н.Э.Баумана Жидкостно-кольцева машина
CN2148200Y (zh) * 1992-11-01 1993-12-01 胡平 同步液环泵
CN1258817A (zh) * 2000-01-03 2000-07-05 蒋子刚 转筒式液环真空泵/压缩机
EP1855010A1 (fr) * 2006-05-11 2007-11-14 Pompetravaini S.p.A. Pompe à vide à anneau liquide monoétagée avec tubulures d'aspiration et de refoulement intégrées au corps central.
CN201636014U (zh) * 2010-01-12 2010-11-17 河南省豫通泵业有限公司 一种高效液环泵
CN201925182U (zh) * 2010-11-03 2011-08-10 西安泵阀总厂有限公司 径向力自平衡式两级液环泵

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114593060A (zh) * 2022-03-25 2022-06-07 淄博水环真空泵厂有限公司 一种水环真空泵适应工况的气量调节方法

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