CN114370414B - Centrifugal compressor impeller scale formation processing apparatus for oil refining chemical industry - Google Patents

Centrifugal compressor impeller scale formation processing apparatus for oil refining chemical industry Download PDF

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Publication number
CN114370414B
CN114370414B CN202210030810.6A CN202210030810A CN114370414B CN 114370414 B CN114370414 B CN 114370414B CN 202210030810 A CN202210030810 A CN 202210030810A CN 114370414 B CN114370414 B CN 114370414B
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CN
China
Prior art keywords
side wall
fixedly connected
bevel gear
water tank
fixed connection
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CN202210030810.6A
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Chinese (zh)
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CN114370414A (en
Inventor
曹祺风
高敏
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Luoyang Petrochemical Engineering Design Co ltd
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Individual
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08Centrifugal pumps
    • F04D17/10Centrifugal pumps for compressing or evacuating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/002Details, component parts, or accessories especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/70Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a device for treating scaling of an impeller of a centrifugal compressor for oil refining and chemical industry, which comprises a mounting plate, wherein the upper ends of two sides of the mounting plate are fixedly connected with a mounting shell, the upper end of the mounting shell is fixedly connected with a water tank, the side wall of the lower end of the water tank is provided with a groove, the side wall of the groove is fixedly connected with a motor frame, the side wall of the motor frame is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected with a first bevel gear, the side wall of the lower end of the water tank is rotationally connected with connecting equipment, the side walls of the connecting equipment are fixedly provided with connecting pipes, the side walls of the two connecting pipes are fixedly connected with first transverse plates, one end of each of the two first transverse plates is fixedly connected with the side wall of the first bevel gear, and the side walls of the two connecting pipes are fixedly connected with a fixed block. The invention collects the washed sewage in the sewage treatment equipment for treatment, and the treated water is pumped into the water tank from a new water pump by the water pump, so that the sewage treatment equipment is recycled, saves energy and protects the environment, and reduces the waste of water resources.

Description

Centrifugal compressor impeller scale formation processing apparatus for oil refining chemical industry
Technical Field
The invention relates to the technical field of oil refining and chemical industry, in particular to a device for treating scaling of an impeller of a centrifugal compressor for oil refining and chemical industry.
Background
Centrifugal compressors are also known as "vortex light compressors", one type of compressor. The structure and the operation principle are similar to those of a centrifugal blower, but the multistage type centrifugal blower can always ensure that the gas obtains higher pressure, the treatment capacity is larger and the efficiency is higher. The exhaust pressure is higher than 0.015 mpa, and the gas mainly flows along the radial direction. The discharge pressure is below 0.2 mpa, also commonly referred to as a centrifugal blower. Centrifugal compressors are widely used in various process flows to deliver air, various process gases or mixtures and to increase the pressure thereof.
Centrifugal compressors are important equipment in oil refining and chemical industry; when the centrifugal compressor runs, compressed air firstly passes through the suction filter to filter dust and then enters the compressor for pressurization; when the filtration efficiency of the suction filter is poor or dirt of the suction filter is not replaced in time, dust is mixed in wet air and enters the compressor and adheres to the surfaces of a runner, blades and impellers in the long-term continuous operation process of the compressor, normal operation of the compressor is affected, dust adhesion of the blades is serious, hard dirt is formed, a rotor of the blades is unbalanced, vibration is aggravated, the operation period is shortened, the production progress is affected, and the operation cost is greatly increased.
Disclosure of Invention
The invention aims to solve the problems that dust is mixed in wet air and enters a compressor and adheres to the surfaces of a runner, blades and impellers in the long-term continuous operation process of the compressor in the prior art, normal operation of the compressor is affected, the blades are seriously stuck with dust to form hard scale, unbalance of a blade rotor is caused, vibration is aggravated, the operation period is shortened, the production progress is affected, and the operation cost is greatly increased.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a centrifugal compressor impeller scale deposit processing apparatus for oil refining chemical industry, includes the mounting panel, a serial communication port, the equal fixed connection installation shell of mounting panel both sides upper end, installation shell upper end fixed connection is with the water tank, water tank lower extreme lateral wall sets up the recess, the equal fixed connection motor frame of recess lateral wall, motor frame lateral wall fixed connection driving motor, driving motor output shaft fixed connection first bevel gear, water tank lower extreme lateral wall rotates connecting device, connecting device lateral wall all fixed setting connecting pipe, two the equal fixed connection of connecting pipe lateral wall first diaphragm, two first diaphragm one end and the equal fixed connection of first bevel gear lateral wall, two the equal fixed connection fixed block of connecting pipe lateral wall, two the equal fixed connection of sliding ring, two the sliding ring lateral wall and the equal fixed connection of installation shell lateral wall, two the sliding ring is kept away from the equal fixed connection installation piece of installation shell lateral wall, two the equal rotation of installation piece is connected second bevel gear, two the equal meshing connection of second bevel gear and first bevel gear, two equal fixed connection of connecting piece one end and first bevel gear, two equal fixed connection of connecting rod, two lower bevel gear and equal fixed connection have the equal third bevel gear to connect.
Preferably, the fixing device comprises a second transverse plate, the side wall of the lower end of the third bevel gear is fixedly connected with the side wall of the upper end of the second transverse plate, the lower end of the second transverse plate is fixedly connected with a vertical shaft, the side wall of the vertical shaft is in sliding connection with a baffle, the side wall of the lower end of the baffle is provided with a centrifugal compressor impeller main body, the side wall of the lower end of the vertical shaft is provided with threads, and the vertical shaft and the centrifugal compressor impeller main body are fixedly arranged through a screw cap.
Preferably, the side wall of the lower end of the second transverse plate is fixedly connected with a spiral spring, the spiral spring is sleeved on the vertical shaft, and the side wall of the lower end of the spiral spring is fixedly connected with the side wall of the upper end of the baffle plate.
Preferably, the mounting plate upper end sets up the arc concave surface, the mounting plate middle part is fixed to be set up the standpipe, the mounting plate lower extreme is fixed to be set up sewage treatment device, standpipe lower extreme and sewage treatment device upper end fixed equipment.
Preferably, the sewage treatment device is characterized in that the lower end of the sewage treatment device is fixedly connected with a first hose, the lower end of the mounting plate is fixedly connected with a water pump, one end of the water pump is fixedly connected with one end of the first hose, the other end of the water pump is fixedly connected with a second hose, and one end of the second hose is fixedly arranged on the side wall of the water tank.
Preferably, the side wall of the upper end of the water tank is fixedly provided with an injection pipe, and the side wall of the injection pipe is fixedly provided with a valve.
Preferably, the water tank is formed by alloy stamping, and an anti-corrosion layer is arranged on the inner wall of the water tank.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the output shaft of the driving motor drives the first bevel gear to rotate positively, the side wall of the first bevel gear drives the first transverse plate to rotate positively, the first transverse plate drives the connecting pipe to rotate positively, meanwhile, the first bevel gear simultaneously meshes with the second bevel gears to rotate, the two second bevel gears simultaneously mesh with the third bevel gear to drive, the third bevel gear rotates reversely, the third bevel gear drives the impeller main body of the centrifugal compressor to rotate reversely, the impeller main body of the centrifugal compressor and the connecting pipe rotate in opposite directions, and in the high-speed rotation process of the impeller main body of the centrifugal compressor, the impeller main body of the centrifugal compressor collides with flushing water to flush dirt adhered on blades, so that the flushing efficiency is improved;
2. the invention collects the washed sewage in the sewage treatment equipment for treatment, and the treated water is pumped into the water tank from a new water pump by the water pump, so that the sewage treatment equipment is recycled, saves energy and protects the environment, and reduces the waste of water resources.
Drawings
FIG. 1 is a schematic diagram of a front view of a centrifugal compressor impeller scale formation treatment device for oil refining and chemical industry;
FIG. 2 is a schematic diagram of the structure at A in FIG. 1;
fig. 3 is a schematic diagram of the main structure of a centrifugal compressor impeller of the device for treating scaling of a centrifugal compressor impeller for oil refining and chemical industry.
In the figure: 1 mounting plate, 2 mounting shell, 3 water tank, 4 recess, 5 motor frame, 6 driving motor, 7 first bevel gear, 8 connecting device, 9 connecting pipes, 10 first diaphragm, 11 fixed blocks, 12 sliding rings, 13 mounting blocks, 14 second bevel gear, 15 connecting rods, 16 third bevel gear, 17 second diaphragm, 18 vertical shaft, 19 baffle, 20 centrifugal compressor impeller main body, 21 nut, 22 coil spring, 23 standpipe, 24 sewage treatment device, 25 first hose, 26 water pump, 27 second hose, 28 injection pipe, 29 valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-3, a centrifugal compressor impeller scale deposit processing apparatus for oil refining chemical industry, including mounting panel 1, the equal fixed connection installation shell 2 of mounting panel 1 both sides upper end, installation shell 2 upper end fixed connection is with water tank 3, water tank 3 lower extreme lateral wall sets up recess 4, the equal fixed connection motor frame 5 of recess 4 lateral wall, motor frame 5 lateral wall fixed connection driving motor 6, driving motor 6 output shaft fixed connection first bevel gear 7, water tank 3 lower extreme lateral wall rotates connecting device 8, connecting device 8 lateral wall all sets up connecting pipe 9, the equal fixed connection first diaphragm 10 of two connecting pipe 9 lateral walls, two equal fixed connection fixed blocks 11 of first diaphragm 10 one end and the equal fixed connection of first bevel gear 7 lateral wall, two equal fixed block 11 rotation connection sliding ring 12 of sliding ring 12 lateral wall and installation shell 2 inner wall, two sliding ring equal fixed connection installation block 13 keep away from installation shell 2 lateral wall, two equal rotation connection second bevel gear 14 of sliding ring 13, two equal rotation connection second bevel gear 14 and first bevel gear 7 are connected, two equal meshing of connecting piece 13 and two equal meshing of connecting piece lower bevel gear 15, equal fixed connection third bevel gear 16 and equal fixed connection third bevel gear 16 are connected with the equal fixed connection of first bevel gear 16. The fixed block 11 rotates along the vertical direction of the slip ring 12, the slip ring 12 rotates along the horizontal direction of the installation shell 2, the output shaft of the driving motor 6 drives the first bevel gear 7 to rotate positively, the side wall of the first bevel gear 7 drives the first transverse plate 10 to rotate positively, the first transverse plate 10 drives the connecting pipe 9 to rotate positively, meanwhile, the first bevel gear 7 simultaneously engages with the second bevel gears 14 to rotate, the two second bevel gears 14 simultaneously engage with the third bevel gear 16 to drive, the third bevel gear 16 rotates reversely, the third bevel gear 16 drives the centrifugal compressor impeller main body 20 to rotate reversely, the centrifugal compressor impeller main body 20 and the connecting pipe 9 rotate reversely, and in the high-speed rotation process of the centrifugal compressor impeller main body 20, the dirt adhered on the blades is washed away by collision with flushing water, so that the flushing efficiency is improved.
The fixed equipment comprises a second transverse plate 17, the side wall of the lower end of a third bevel gear 16 is fixedly connected with the side wall of the upper end of the second transverse plate 17, the lower end of the second transverse plate 17 is fixedly connected with a vertical shaft 18, the side wall of the vertical shaft 18 is in sliding connection with a baffle 19, the side wall of the lower end of the baffle 19 is provided with a centrifugal compressor impeller main body 20, the side wall of the lower end of the vertical shaft 18 is provided with threads, and the vertical shaft 18 and the centrifugal compressor impeller main body 20 are fixedly arranged through a screw cap 21. The centrifugal compressor wheel body 20 is conveniently fixed to the vertical shaft 18 for automatic cleaning.
The side wall of the lower end of the second transverse plate 17 is fixedly connected with a spiral spring 22, the spiral spring 22 is sleeved on the vertical shaft 18, and the side wall of the lower end of the spiral spring 22 is fixedly connected with the side wall of the upper end of the baffle 19. The shaking of the impeller main body 20 of the centrifugal compressor is reduced, and the cleaning efficiency is improved.
The upper end of the mounting plate 1 is provided with an arc concave surface, the middle part of the mounting plate 1 is fixedly provided with a vertical pipe 23, the lower end of the mounting plate 1 is fixedly provided with sewage treatment equipment 24, and the lower end of the vertical pipe 23 is fixedly connected with the upper end of the sewage treatment equipment 24.
The lower end of the sewage treatment equipment 24 is fixedly connected with the lower end of the first hose 25, the lower end of the mounting plate 1 is fixedly connected with a water pump 26, one end of the water pump 26 is fixedly connected with one end of the first hose 25, the other end of the water pump 26 is fixedly connected with a second hose 27, and one end of the second hose 27 is fixedly arranged on the side wall of the water tank 3. The sewage after flushing is conveniently and completely collected in the sewage treatment equipment 24 for treatment, so that the discharge pollution is reduced, the treated water is pumped into the water tank 3 from a new position through the water pump 26, the water tank is recycled, energy conservation and environmental protection are realized, and the water resource waste is reduced.
The side wall of the upper end of the water tank 3 is fixedly provided with an injection pipe 28, and the side wall of the injection pipe 28 is fixedly provided with a valve 29. The clean water is conveniently injected, so that daily cleaning consumption is reduced, and cleaning efficiency is improved.
The water tank 3 is formed by alloy stamping, and an anti-corrosion layer is arranged on the inner wall of the water tank 3. The overall strength of the water tank 3 is improved, and the service life is prolonged.
The invention is characterized in that a centrifugal compressor impeller main body 20 is sleeved on a vertical shaft 18, a nut is fastened, the side wall of the upper end of the centrifugal compressor impeller main body 20 is tightly contacted with a baffle plate 19, in the process of fastening the nut, a spiral spring 22 is compressed, thus, the baffle plate 19 is pushed by using the restoring force of the spiral spring 22, the shaking of the centrifugal compressor impeller main body 20 is reduced, the washing is convenient, the damage to the centrifugal compressor impeller main body 20 caused by excessive fastening is reduced, a driving motor 6 is started to rotate, when the driving motor 6 rotates positively, an output shaft of the driving motor 6 drives a first bevel gear 7 to rotate positively, the side wall of the first bevel gear 7 drives a first transverse plate 10 to rotate positively, the first transverse plate 10 drives a connecting pipe 9 to rotate positively, meanwhile, the first bevel gear 7 simultaneously meshes with a second bevel gear 14 to rotate, the two second bevel gears 14 are simultaneously meshed with the third bevel gear 16 for transmission, the third bevel gear 16 reversely rotates, the third bevel gear 16 drives the centrifugal compressor impeller main body 20 to reversely rotate, the centrifugal compressor impeller main body 20 and the connecting pipe 9 rotate in opposite directions, dirt adhered to blades is washed away by collision with washing water in the high-speed rotation process of the centrifugal compressor impeller main body 20, washing efficiency is improved, washed sewage is completely collected in the sewage treatment equipment 24 for treatment, the injection pipe 28 is fixedly arranged on the side wall of the upper end of the water tank 3, the valve 29 is fixedly arranged on the side wall of the injection pipe 28, clean water is conveniently injected, daily washing consumption is reduced, washing efficiency is improved, and the treated water is circularly used, energy conservation and environmental protection from the new water pumping tank 3 through the water pump 26, so that water resource waste is reduced.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (4)

1. The utility model provides a centrifugal compressor impeller scale deposit processing apparatus for oil refining chemical industry, includes mounting panel (1), a serial communication port, mounting panel (1) both sides upper end equal fixed connection installation shell (2), installation shell (2) upper end fixed connection water tank (3), water tank (3) lower extreme lateral wall sets up recess (4), recess (4) lateral wall equal fixed connection motor frame (5), motor frame (5) lateral wall fixed connection driving motor (6), driving motor (6) output shaft fixed connection first bevel gear (7), water tank (3) lower extreme lateral wall rotates and is connected with junction device (8), junction device (8) lateral wall equal fixed connection connecting pipe (9), two connecting pipe (9) lateral wall equal fixed connection first diaphragm (10), two first diaphragm (10) one end and first bevel gear (7) lateral wall equal fixed connection fixed block (11), two fixed block (11) all rotate and connect sliding ring (12), two sliding ring (12) and installation shell (2) equal fixed connection lateral wall (12) keep away from, the two mounting blocks (13) are respectively and rotatably connected with a second bevel gear (14), the two second bevel gears (14) are respectively and rotatably connected with the first bevel gear (7), the lower ends of the two mounting blocks (13) are respectively and fixedly connected with a connecting rod (15), the side walls of the two connecting rods (15) are respectively and rotatably connected with the same third bevel gear (16), the third bevel gear (16) is respectively and rotatably connected with the second bevel gear (14), and the lower ends of the third bevel gears (16) are respectively and rotatably connected with a fixing device;
the fixing device comprises a second transverse plate (17), the side wall of the lower end of the third bevel gear (16) is fixedly connected with the side wall of the upper end of the second transverse plate (17), the lower end of the second transverse plate (17) is fixedly connected with a vertical shaft (18), the side wall of the vertical shaft (18) is in sliding connection with a baffle plate (19), the side wall of the lower end of the baffle plate (19) is provided with a centrifugal compressor impeller main body (20), the side wall of the lower end of the vertical shaft (18) is provided with threads, and the vertical shaft (18) and the centrifugal compressor impeller main body (20) are fixedly arranged through a screw cap (21);
the side wall of the lower end of the second transverse plate (17) is fixedly connected with a spiral spring (22), the spiral spring (22) is sleeved on the vertical shaft (18), and the side wall of the lower end of the spiral spring (22) is fixedly connected with the side wall of the upper end of the baffle plate (19);
the sewage treatment device is characterized in that an arc-shaped concave surface is arranged at the upper end of the mounting plate (1), a vertical pipe (23) is fixedly arranged in the middle of the mounting plate (1), sewage treatment equipment (24) is fixedly arranged at the lower end of the mounting plate (1), and the lower end of the vertical pipe (23) is fixed with the upper end of the sewage treatment equipment (24).
2. The device for treating scaling of the impeller of the centrifugal compressor for oil refining and chemical engineering according to claim 1, wherein the lower end of the sewage treatment equipment (24) is fixedly connected with a first hose (25), the lower end of the mounting plate (1) is fixedly connected with a water pump (26), one end of the water pump (26) is fixedly connected with one end of the first hose (25), the other end of the water pump (26) is fixedly connected with a second hose (27), and one end of the second hose (27) is fixedly arranged on the side wall of the water tank (3).
3. The device for treating the scaling of the impeller of the centrifugal compressor for the oil refining and chemical industry according to claim 1, wherein an injection pipe (28) is fixedly arranged on the side wall of the upper end of the water tank (3), and a valve (29) is fixedly arranged on the side wall of the injection pipe (28).
4. The device for treating scaling of the impeller of the centrifugal compressor for oil refining and chemical industry according to claim 1, wherein the water tank (3) is formed by alloy stamping, and an anti-corrosion layer is arranged on the inner wall of the water tank (3).
CN202210030810.6A 2022-01-12 2022-01-12 Centrifugal compressor impeller scale formation processing apparatus for oil refining chemical industry Active CN114370414B (en)

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CN202210030810.6A CN114370414B (en) 2022-01-12 2022-01-12 Centrifugal compressor impeller scale formation processing apparatus for oil refining chemical industry

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CN202210030810.6A CN114370414B (en) 2022-01-12 2022-01-12 Centrifugal compressor impeller scale formation processing apparatus for oil refining chemical industry

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CN114370414B true CN114370414B (en) 2023-11-17

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115507039B (en) * 2022-10-12 2023-07-25 东莞市华汇精密机械有限公司 Suspension conveying pump

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Publication number Priority date Publication date Assignee Title
US7377826B1 (en) * 2006-12-21 2008-05-27 Wengren Jr Richard E Fouling removal system for jet drive water intake
CN202468486U (en) * 2011-11-01 2012-10-03 首钢水城钢铁(集团)有限责任公司 Gas blower backwashing apparatus
CN104819173A (en) * 2015-05-11 2015-08-05 中国海洋石油总公司 Rotor disc-dynamic cleaning tool and method for centrifugal natural gas compressor
CN210106266U (en) * 2019-06-11 2020-02-21 山东星源矿山设备集团有限公司 Back-flushing structure of explosion-proof sand discharge pump
CN111287990A (en) * 2020-02-12 2020-06-16 魏文民 Novel gas compressor
CN215409460U (en) * 2021-07-27 2022-01-04 杭州仁成环保工程有限公司 Mechanical backwash valve for submersible sewage pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7377826B1 (en) * 2006-12-21 2008-05-27 Wengren Jr Richard E Fouling removal system for jet drive water intake
CN202468486U (en) * 2011-11-01 2012-10-03 首钢水城钢铁(集团)有限责任公司 Gas blower backwashing apparatus
CN104819173A (en) * 2015-05-11 2015-08-05 中国海洋石油总公司 Rotor disc-dynamic cleaning tool and method for centrifugal natural gas compressor
CN210106266U (en) * 2019-06-11 2020-02-21 山东星源矿山设备集团有限公司 Back-flushing structure of explosion-proof sand discharge pump
CN111287990A (en) * 2020-02-12 2020-06-16 魏文民 Novel gas compressor
CN215409460U (en) * 2021-07-27 2022-01-04 杭州仁成环保工程有限公司 Mechanical backwash valve for submersible sewage pump

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Effective date of registration: 20231124

Address after: 471000 west side of office building of northeast petrochemical plant, South Kaiyuan community, Zhongyuan Road, Jili District, Luoyang City, Henan Province

Patentee after: LUOYANG PETROCHEMICAL ENGINEERING DESIGN Co.,Ltd.

Address before: 471000 Luoyang Petrochemical Engineering Design Co., Ltd., north section of Jili Wenhua Road, Mengjin District, Luoyang City, Henan Province

Patentee before: Cao Qifeng