CN114370414A - Oil refining is centrifugal compressor impeller scale deposit processing apparatus for chemical industry - Google Patents

Oil refining is centrifugal compressor impeller scale deposit processing apparatus for chemical industry Download PDF

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Publication number
CN114370414A
CN114370414A CN202210030810.6A CN202210030810A CN114370414A CN 114370414 A CN114370414 A CN 114370414A CN 202210030810 A CN202210030810 A CN 202210030810A CN 114370414 A CN114370414 A CN 114370414A
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CN
China
Prior art keywords
fixedly connected
side wall
bevel gear
centrifugal compressor
water tank
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Granted
Application number
CN202210030810.6A
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Chinese (zh)
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CN114370414B (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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Publication of CN114370414A publication Critical patent/CN114370414A/en
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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 centrifugal compressor impeller scaling treatment device for oil refining 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 rotatably connected with equipment, the side wall of the equipment is fixedly provided with connecting pipes, the side walls of the two connecting pipes are fixedly connected with first transverse plates, one ends of the two first transverse plates are 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 all the flushed sewage in the sewage treatment equipment for treatment, pumps the treated water into the water tank through the water pump, recycles, saves energy, protects environment and reduces water resource waste.

Description

Oil refining is centrifugal compressor impeller scale deposit processing apparatus for chemical industry
Technical Field
The invention relates to the technical field of oil refining chemical industry, in particular to a centrifugal compressor impeller scaling treatment device for oil refining chemical industry.
Background
The centrifugal compressor is also called as a "vortex-type compressor". The structure and the operation principle are similar to those of a centrifugal blower, but the centrifugal blower is always multi-stage, so that the gas can obtain higher pressure, the treatment capacity is higher, and the efficiency is higher. A turbo compressor with exhaust pressure higher than 0.015 mpa and gas flow mainly in the radial direction, also called radial compressor. Discharge pressure below 0.2 MPa, commonly known as centrifugal blowers. Centrifugal compressors are widely used in various process flows for conveying air, various process gases or mixtures of gases and for increasing the pressure thereof.
The centrifugal compressor is an important device for oil refining and chemical engineering; when the centrifugal compressor operates, compressed air enters the compressor for pressurization after dust is filtered by the suction filter; when the filter efficiency is poor or its is dirty when not in time changing of inhaling filter, at the long-term continuous operation in-process of compressor, the dust mixes and gets into the compressor and the adhesion is at the humid air and flow path, the blade, the impeller surface, influence the compressor and normally work, the blade is stained with the ash seriously, form hard scale, cause the blade rotor unbalance, the vibration aggravation, the operating cycle shortens, not only influence the production progress, and greatly increased the running cost, for this reason, we propose a centrifugal compressor impeller scale deposit processing apparatus for oil refining chemical industry and solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, in the long-term continuous operation process of a compressor, dust is mixed in wet air and enters the compressor and adheres to the surfaces of a flow channel, blades and an impeller to influence the normal work of the compressor, the blades are seriously adhered with the dust to form hard scale, the imbalance of a blade rotor is caused, the vibration is aggravated, the operation period is shortened, the production progress is influenced, and the operation cost is greatly increased.
In order to achieve the purpose, the invention adopts the following technical scheme:
the device for treating scale of the impeller of the centrifugal compressor for oil refining chemical industry comprises a mounting plate and is characterized in that 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 rotatably connected with a device, the side wall of the device is fixedly provided with a connecting pipe, the two side walls of the connecting pipe are fixedly connected with a first transverse plate, one end of the two first transverse plates is fixedly connected with the side wall of the first bevel gear, the two side walls of the connecting pipe are fixedly connected with a fixed block, the two fixed blocks are rotatably connected with a sliding ring, and the two side walls of the sliding ring are fixedly connected with the inner wall of the mounting shell, the sliding ring is far away from the installation shell side wall and is fixedly connected with the installation block, the installation block is rotatably connected with the second bevel gear, the second bevel gear is meshed with the first bevel gear, the lower end of the installation block is fixedly connected with the connecting rod, the side wall of the connecting rod is rotatably connected with the same third bevel gear, the third bevel gear is meshed with the second bevel gear, and the lower end of the third bevel gear is provided with a fixing device.
Preferably, the fixing equipment comprises a fixing equipment body and comprises a second transverse plate, the lower end side wall of the third bevel gear is fixedly connected with the upper end side wall 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 slidably connected with a baffle, the lower end side wall of the baffle is provided with a centrifugal compressor impeller body, the lower end side wall of the vertical shaft is provided with threads, and the vertical shaft and the centrifugal compressor impeller body are fixedly arranged through nuts.
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 panel upper end sets up the arc concave surface, the fixed standpipe that sets up in mounting panel middle part, the fixed sewage treatment device that sets up of mounting panel lower extreme, standpipe lower extreme and sewage treatment device upper end fixed equipment.
Preferably, the first hose of sewage treatment device lower extreme fixed connection the mounting panel lower extreme fixed connection water pump, water pump one end and first hose one end fixed connection, water pump other end fixed connection second hose, second hose one end and the fixed setting of water tank lateral wall.
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 punching, and the inner wall of the water tank is provided with an anticorrosive coating.
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 forwards, the side wall of the first bevel gear drives the first transverse plate to rotate forwards, the first transverse plate drives the connecting pipe to rotate forwards, meanwhile, the first bevel gear is simultaneously meshed with the second bevel gear to rotate, the two second bevel gears are simultaneously meshed with the third bevel gear to be meshed and driven, the third bevel gear rotates reversely, the third bevel gear drives the impeller main body of the centrifugal compressor to rotate forwards, the rotation direction of the impeller main body of the centrifugal compressor is opposite to that of the connecting pipe, and the impeller main body of the centrifugal compressor collides with washing water in the high-speed rotation process to wash away dirt adhered to the blades, so that the washing efficiency is improved;
2. the invention collects all the flushed sewage in the sewage treatment equipment for treatment, pumps the treated water into the water tank through the water pump, recycles, saves energy, protects environment and reduces water resource waste.
Drawings
FIG. 1 is a schematic structural diagram of a centrifugal compressor impeller scaling treatment device for oil refining chemical industry according to the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural diagram of a centrifugal compressor impeller main body of the centrifugal compressor impeller scaling treatment device for the oil refining chemical industry.
In the figure: the device comprises a mounting plate 1, a mounting shell 2, a water tank 3, a groove 4, a motor frame 5, a driving motor 6, a first bevel gear 7, a connecting device 8, a connecting pipe 9, a first transverse plate 10, a fixing block 11, a sliding ring 12, a mounting block 13, a second bevel gear 14, a connecting rod 15, a third bevel gear 16, a second transverse plate 17, a vertical shaft 18, a baffle plate 19, a centrifugal compressor impeller main body 20, a screw cap 21, a spiral spring 22, a vertical pipe 23, a sewage treatment device 24, a first hose 25, a water pump 26, a second hose 27, an injection pipe 28 and a valve 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a device for scaling treatment of an impeller of a centrifugal compressor for oil refining chemical industry comprises a mounting plate 1, wherein the upper ends of two sides of the mounting plate 1 are fixedly connected with a mounting shell 2, the upper end of the mounting shell 2 is fixedly connected with a water tank 3, the side wall of the lower end of the water tank 3 is provided with a groove 4, the side wall of the groove 4 is fixedly connected with a motor frame 5, the side wall of the motor frame 5 is fixedly connected with a driving motor 6, an output shaft of the driving motor 6 is fixedly connected with a first bevel gear 7, the side wall of the lower end of the water tank 3 is rotatably connected with a device 8, the side wall of the connecting device 8 is fixedly provided with a connecting pipe 9, the side walls of the two connecting pipes 9 are fixedly connected with first transverse plates 10, one ends of the two first transverse plates 10 are fixedly connected with the side wall of the first bevel gear 7, the side walls of the two connecting pipes 9 are fixedly connected with fixed blocks 11, the two fixed blocks 11 are rotatably connected with a sliding ring 12, and the side walls of the two sliding rings 12 are fixedly connected with the inner wall of the mounting shell 2, two sliding rings 12 are far away from the equal fixed connection installation piece 13 of installation shell 2 lateral wall, two installation pieces 13 all rotate and connect second bevel gear 14, two second bevel gears 14 all mesh with first bevel gear 7 and are connected, the equal fixed connection connecting rod 15 of two installation piece 13 lower extremes, two connecting rod 15 lateral walls all rotate and connect same third bevel gear 16, third bevel gear 16 all meshes with second bevel gear 14 and is connected, fixed equipment is installed to third bevel gear 16 lower extreme. The fixed block 11 rotates along the vertical direction of the sliding ring 12, the sliding ring 12 rotates along the horizontal direction of the mounting shell 2, the output shaft of the driving motor 6 drives the first bevel gear 7 to rotate forwards, the side wall of the first bevel gear 7 drives the first transverse plate 10 to rotate forwards, the first transverse plate 10 drives the connecting pipe 9 to rotate forwards, meanwhile, the first bevel gear 7 simultaneously engages with the second bevel gear 14 to rotate, the two second bevel gears 14 simultaneously engage with the third bevel gear 16 to drive in an engaged manner, the third bevel gear 16 rotates in a reverse direction, the third bevel gear 16 drives the centrifugal compressor impeller main body 20 to rotate forwards, the centrifugal compressor impeller main body 20 and the connecting pipe 9 rotate in opposite directions, and the centrifugal compressor impeller main body 20 collides with washing water in the high-speed rotation process to wash away dirt adhered to blades, so that the washing efficiency is improved.
The fixing equipment comprises a fixing device and a second transverse plate 17, the lower end side wall of the third bevel gear 16 is fixedly connected with the upper end side wall 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 slidably connected with a baffle plate 19, the lower end side wall of the baffle plate 19 is provided with a centrifugal compressor impeller main body 20, the lower end side wall 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 nut 21. The centrifugal compressor impeller main body 20 is conveniently fixed on the vertical shaft 18, and automatic cleaning is conveniently carried out.
The side wall of the lower end of the second horizontal plate 17 is fixedly connected with a helical spring 22, the helical spring 22 is sleeved on the vertical shaft 18, and the side wall of the lower end of the helical spring 22 is fixedly connected with the side wall of the upper end of the baffle plate 19. The shaking of the centrifugal compressor impeller main body 20 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 a sewage treatment device 24, and the lower end of the vertical pipe 23 is fixedly provided with a fixing device on the sewage treatment device 24.
24 lower extreme fixed connection first hose 25 mounting panel 1 lower extreme fixed connection water pump 26 of sewage treatment device, water pump 26 one end and first hose 25 one end fixed connection, water pump 26 other end fixed connection second hose 27, second hose 27 one end and the fixed setting of 3 lateral walls of water tank. The sewage that conveniently will wash is whole to be collected and is handled in sewage treatment device 24, reduces and discharges the pollution, and water that will handle through water pump 26 is from taking out into water tank 3 newly, and cyclic utilization, energy-concerving and environment-protective have reduced the water waste.
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. The clean water is conveniently injected, the consumption of daily cleaning is reduced, and the cleaning efficiency is improved.
The water tank 3 is formed by alloy punch forming, and the inner wall of the water tank 3 is provided with an anticorrosive coating. Improve 3 bulk strength of water tank, improve life.
In the invention, a centrifugal compressor impeller main body 20 is sleeved on a vertical shaft 18, nuts are fastened to enable the side wall of the upper end of the centrifugal compressor impeller main body 20 to be in close contact with a baffle plate 19, a spiral spring 22 is compressed in the process of fastening the nuts, so that the baffle plate 19 is pushed by the restoring force of the spiral spring 22, the shaking of the centrifugal compressor impeller main body 20 is reduced, the cleaning is convenient, the damage of excessive fastening to the centrifugal compressor impeller main body 20 is reduced, a driving motor 6 is started to rotate, when the driving motor 6 rotates forwards, an output shaft of the driving motor 6 drives a first bevel gear 7 to rotate forwards, the side wall of the first bevel gear 7 drives a first transverse plate 10 to rotate forwards, the first transverse plate 10 drives a connecting pipe 9 to rotate forwards, meanwhile, the first bevel gear 7 simultaneously meshes with a second bevel gear 14 to rotate, two second bevel gears 14 simultaneously mesh with a third bevel gear 16 to drive, and the third bevel gear 16 rotates reversely, the third bevel gear 16 drives the centrifugal compressor impeller main body 20 to be positive and negative, the centrifugal compressor impeller main body 20 and the connecting pipe 9 are opposite in rotating direction, the centrifugal compressor impeller main body 20 collides with flushing water in the high-speed rotating process and washes away dirt adhered to blades, the flushing efficiency is improved, all the flushed sewage is collected in the sewage treatment equipment 24 to be treated, 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, clear water can be conveniently injected, daily cleaning consumption is reduced, the cleaning efficiency is improved, treated water is pumped into the water tank 3 through the water pump 26, the water is recycled, energy is saved, environment friendliness is achieved, and water waste is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The scaling treatment device for the impeller of the centrifugal compressor for the oil refining chemical industry comprises a mounting plate (1) and is characterized in that the upper ends of the two sides of the mounting plate (1) are fixedly connected with a mounting shell (2), the upper end of the mounting shell (2) is fixedly connected with a water tank (3), the lower end side wall of the water tank (3) is provided with a groove (4), the side wall of the groove (4) is fixedly connected with a motor frame (5), the side wall of the motor frame (5) is fixedly connected with a driving motor (6), an output shaft of the driving motor (6) is fixedly connected with a first bevel gear (7), the lower end side wall of the water tank (3) is rotatably connected with equipment (8), the side wall of the equipment (8) is fixedly provided with connecting pipes (9), the side walls of the connecting pipes (9) are fixedly connected with first transverse plates (10), and one end of the first transverse plates (10) is fixedly connected with the side wall of the first bevel gear (7), the side walls of the two connecting pipes (9) are fixedly connected with fixed blocks (11), the two fixed blocks (11) are rotatably connected with sliding rings (12), the side walls of the two sliding rings (12) are fixedly connected with the inner wall of the installation shell (2), the side walls of the two sliding rings (12) far away from the installation shell (2) are fixedly connected with installation blocks (13), the two installation blocks (13) are rotatably connected with second bevel gears (14), the two second bevel gears (14) are meshed with the first bevel gear (7), the lower ends of the two installation blocks (13) are fixedly connected with connecting rods (15), the side walls of the two connecting rods (15) are rotatably connected with the same third bevel gear (16), the third bevel gear (16) is meshed with the second bevel gear (14), and fixing equipment is installed at the lower end of the third bevel gear (16).
2. The oil refining chemical centrifugal compressor impeller scaling treatment device according to claim 1, wherein the fixing device comprises a second transverse plate (17), the lower end side wall of the third bevel gear (16) is fixedly connected with the upper end side wall 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 slidably connected with a baffle (19), the lower end side wall of the baffle (19) is provided with a centrifugal compressor impeller body (20), the lower end side wall of the vertical shaft (18) is provided with threads, and the vertical shaft (18) and the centrifugal compressor impeller body (20) are fixedly arranged through a nut (21).
3. The oil refining chemical centrifugal compressor impeller scaling treatment device according to claim 2, wherein the side wall of the lower end of the second transverse plate (17) is fixedly connected with a coil spring (22), the coil spring (22) is sleeved on the vertical shaft (18), and the side wall of the lower end of the coil spring (22) is fixedly connected with the side wall of the upper end of the baffle plate (19).
4. The oil refining chemical centrifugal compressor impeller scaling treatment device according to claim 1, wherein an arc 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), a sewage treatment device (24) is fixedly arranged at the lower end of the mounting plate (1), and a device is fixedly arranged at the lower end of the vertical pipe (23) and the upper end of the sewage treatment device (24).
5. The oil refining chemical centrifugal compressor impeller scaling treatment device according to claim 1 or 4, characterized in that the lower end of the sewage treatment device (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).
6. An oil refining chemical centrifugal compressor impeller scaling treatment device according to claim 1, characterized in that 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).
7. An oil refining chemical centrifugal compressor impeller scaling treatment device according to claim 1, characterized in that the water tank (3) is formed by alloy punch forming, and the inner wall of the water tank (3) is provided with an anticorrosive coating.
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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CN114370414A true CN114370414A (en) 2022-04-19
CN114370414B CN114370414B (en) 2023-11-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115507039A (en) * 2022-10-12 2022-12-23 东莞市华汇精密机械有限公司 Turbid liquid delivery pump

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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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115507039A (en) * 2022-10-12 2022-12-23 东莞市华汇精密机械有限公司 Turbid liquid delivery pump
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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