CN116146536A - Flow regulating device and centrifugal compressor - Google Patents
Flow regulating device and centrifugal compressor Download PDFInfo
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- CN116146536A CN116146536A CN202310444654.2A CN202310444654A CN116146536A CN 116146536 A CN116146536 A CN 116146536A CN 202310444654 A CN202310444654 A CN 202310444654A CN 116146536 A CN116146536 A CN 116146536A
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- pipe
- regulating device
- flow regulating
- pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a flow regulating device and a centrifugal compressor, which comprises a frame and a machine body, wherein an air inlet pipe and an air outlet pipe are arranged on the machine body, an inlet guide vane is arranged in the air inlet pipe, a rotating shaft is arranged on the air inlet pipe, and the centrifugal compressor further comprises: a pressure detecting member for detecting a pressure at the exhaust pipe; the bypass subassembly, the bypass subassembly sets up in organism one side, adjusting part sets up in the axis of rotation top, through pressure detection spare, when using the exhaust throttling, can detect the pressure of blast pipe department through pressure detection spare, and then when blast pipe department pressure is great, the valve body of pressure detection spare control bypass pipe department is opened, and then in collecting the gas pitcher with some high-pressure gas, and the high-pressure gas in the gas pitcher can be regarded as pneumatic motor's power supply and adjust the entry guide vane, effectively prevents that the machine from surging and avoid extravagant organism power. The invention also provides a centrifugal compressor with the flow regulating device.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a flow regulating device and a centrifugal compressor.
Background
A compressor is a device for compressing fluid, a conventional centrifugal compressor basically includes a housing, an inlet guide vane, an impeller, a diffuser, a motor, various sensors and a controller, gas flows through the inlet guide vane, the impeller and the diffuser in sequence, thus, the inlet guide vane is coupled to an inlet port of the centrifugal compressor, and the diffuser is coupled to an outlet port of the impeller, the inlet guide vane controls the flow rate of the gas entering the impeller, the motor rotates the impeller, the controller controls the motor, the inlet guide vane and an expansion valve, the inlet guide vane is generally adjustable, and the motor speed is generally adjustable to adjust the power of the system.
The flow rate regulation modes of the compressor are various, including air inlet throttling, rotating speed regulation, air exhaust throttling and bypass regulation, in the air exhaust throttling, the air exhaust port of the compressor is limited to achieve the flow rate required by a user, but the pressure of the air at the air exhaust port is gradually increased, so that the compressor is easy to surge and the extra power consumption is also caused, and therefore, the flow rate regulation device and the centrifugal compressor are provided.
Disclosure of Invention
The present invention is directed to a flow rate adjusting device, which solves the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a flow regulating device, includes frame and organism, be provided with intake pipe and blast pipe on the organism, be provided with the entry guide vane in the intake pipe, be provided with control entry guide vane pivoted axis of rotation in the intake pipe, still including:
a pressure detecting member provided on the exhaust pipe for detecting a pressure at the exhaust pipe;
the bypass assembly is arranged on one side of the machine body and used for adjusting the pressure at the exhaust pipe;
and the adjusting assembly is arranged above the rotating shaft and used for driving the rotating shaft to rotate.
Preferably, a support rod is arranged on the rack, a box body is arranged at the top end of the support rod, a rotating gear is arranged at the end part of the rotating shaft, the adjusting assembly comprises a driving motor arranged in the box body, a driving sleeve is arranged at the output end of the driving motor, a driving rod is movably arranged in the driving sleeve, a connecting spring is arranged in the driving sleeve, two ends of the connecting spring are respectively fixedly connected with the driving sleeve and the driving rod, an electromagnet I matched with each other is arranged in the end part of the driving rod and the driving sleeve, and a driving gear meshed with the rotating gear is arranged at one end of the driving rod, far away from the driving sleeve.
Preferably, the bypass assembly comprises a gas tank arranged on one side of the machine body, a bypass pipe and a gas outlet pipe are respectively arranged at two ends of the gas tank, two ends of the bypass pipe are respectively connected with the gas tank and the gas outlet pipe, a valve body for controlling the bypass pipe to circulate is arranged on the bypass pipe, a transmission assembly capable of driving the rotating shaft to rotate is further arranged in the box body, the transmission assembly is pneumatically connected with the gas tank, a communicating pipe is arranged on one side of the gas inlet pipe, and the transmission assembly is connected with the gas outlet pipe and the communicating pipe.
Preferably, the transmission assembly comprises a pneumatic motor arranged in the box body, an air inlet and an air outlet of the pneumatic motor are respectively connected with the air outlet pipe and the communicating pipe, a transmission sleeve is arranged at the output end of the pneumatic motor, a transmission rod is movably arranged in the transmission sleeve, a compression spring is arranged in the transmission sleeve, two ends of the compression spring are respectively fixedly connected with the transmission sleeve and the transmission rod, an electromagnet II matched with each other is arranged in the end part of the transmission rod and the transmission sleeve, and a transmission gear meshed with a rotating gear is arranged at one end of the transmission rod far away from the transmission sleeve.
Preferably, a connecting pipe is arranged outside the exhaust pipe, a side pipe is connected to the connecting pipe, the bottom end of the side pipe is closed, and the pressure detecting piece is arranged in the side pipe.
Preferably, the pressure detecting part comprises a piston arranged in a side pipe, the piston is movably arranged in the side pipe, a return spring is arranged in the side pipe, two ends of the return spring are fixedly connected with the piston and the bottom end of the side pipe respectively, a pressure sensor is arranged at the bottom end of the inside of the side pipe, and a trigger rod is arranged on the piston.
Preferably, the connecting pipe and the side pipe are connected through flanges, and sealing gaskets are arranged between the flanges.
Preferably, the valve body is a solenoid valve.
Preferably, the pressure detecting part comprises a movable plug movably arranged in the side pipe, a resistor body is arranged in the side pipe, a conductive brush is arranged on the movable plug, the end part of the conductive brush is in contact with the resistor body, a supporting spring is arranged in the side pipe, and two ends of the supporting spring are fixedly connected with the movable plug and the bottom of the side pipe respectively.
The invention also provides a centrifugal compressor which is provided with a flow regulating device, wherein the flow regulating device is any one of the flow regulating devices
Compared with the prior art, the invention has the beneficial effects that:
this flow control device, through the pressure detection spare, when using the exhaust throttling, can detect the pressure of blast pipe department through the pressure detection spare, and then when blast pipe department pressure is great, the valve body of pressure detection spare control bypass pipe department is opened, and then in collecting the gas pitcher with some high-pressure gas, and the high-pressure gas in the gas pitcher can be regarded as pneumatic motor's power supply to adjust the entry guide vane, effectively prevents that the machine from surging and avoid extravagant organism power.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in another orientation in accordance with the present invention;
FIG. 3 is a schematic view of a partial sectional structure of embodiment 1 of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 in another orientation in accordance with the present invention;
FIG. 5 is a schematic view of a bypass assembly according to the present invention;
FIG. 6 is a schematic diagram of a transmission assembly according to the present invention;
FIG. 7 is a schematic view of the structure of the adjusting assembly of the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
fig. 9 is a schematic structural diagram of a pressure detecting member according to embodiment 2 of the present invention.
In the figure: 1-a frame; 2-a machine body; 3-an air inlet pipe; 4-exhaust pipe; 5-rotating shaft; 6-a pressure detecting member; 61-a piston; 62-a return spring; 63-a pressure sensor; 64-triggering lever; 65-moving the plug; 66-resistor body; 67-conducting brushes; 68-a support spring; 7-a bypass assembly; 71-gas tank; 72-bypass pipe; 73-an air outlet pipe; 74-valve body; 75-communicating pipe; 8-an adjustment assembly; 81-driving a motor; 82-a drive sleeve; 83-driving rod; 84-connecting a spring; 85-electromagnet I; 86-drive gear; 9-a transmission assembly; 91-a pneumatic motor; 92-a transmission sleeve; 93-a transmission rod; 94-compressing the spring; 95-electromagnet II; 96-drive gear; 10-supporting rods; 11-a box body; 12-rotating a gear; 13-side tube; 14-connecting pipe.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a flow control device, includes frame 1 and organism 2, is provided with intake pipe 3 and blast pipe 4 on the organism 2, is provided with the inlet guide vane in the intake pipe 3, is provided with control inlet guide vane pivoted axis of rotation 5 on the intake pipe 3, and wherein, the structure of inlet guide vane is prior art, and not described here again, is provided with plc controller on the organism 2 for control the electrically controlled device on the device, still including:
a pressure detecting member 6, the pressure detecting member 6 being provided on the exhaust pipe 4 for detecting a pressure at the exhaust pipe 4;
the bypass assembly 7 is arranged on one side of the machine body 2 and used for adjusting the pressure at the exhaust pipe 4;
the adjusting component 8, adjusting component 8 sets up in axis of rotation 5 top for order to drive axis of rotation 5 rotation.
The automatic inlet guide vane adjusting device comprises a frame 1, a supporting rod 10 is fixedly arranged on the frame 1, a box 11 is arranged at the top end of the supporting rod 10, a rotary gear 12 is arranged at the end of a rotary shaft 5, an adjusting assembly 8 comprises a driving motor 81 arranged in the box 11, a driving sleeve 82 is arranged at the output end of the driving motor 81, a driving rod 83 is movably arranged in the driving sleeve 82, a connecting spring 84 is arranged in the driving sleeve 82, two ends of the connecting spring 84 are fixedly connected with the driving sleeve 82 and the driving rod 83 respectively, an electromagnet 85 matched with each other is arranged in the end of the driving rod 83 and the driving sleeve 82, a driving gear 86 meshed with the rotary gear 12 is arranged at one end of the driving rod 83, when the inlet guide vane is adjusted, the electromagnet 85 is electrified to repel each other, the driving rod 83 is further moved to drive the driving gear 86 to be meshed with the rotary gear 12, and then the driving motor 81 is started to drive the driving gear 86 to rotate, and the rotary gear 12 drives the rotary shaft 5 to adjust the inlet guide vane.
The bypass assembly 7 comprises a gas tank 71 arranged on one side of the machine body 2, a bypass pipe 72 and a gas outlet pipe 73 are respectively arranged at two ends of the gas tank 71, two ends of the bypass pipe 72 are respectively connected with the gas tank 71 and the gas outlet pipe 4, a valve body 74 for controlling the bypass pipe 72 to circulate is arranged on the bypass pipe 72, a transmission assembly 9 capable of driving the rotating shaft 5 to rotate is further arranged in the box 11, the transmission assembly 9 is pneumatically connected with the gas tank 71, a communicating pipe 75 is arranged on one side of the gas inlet pipe 3, the transmission assembly 9 is used for connecting the gas outlet pipe 73 with the communicating pipe 75, a valve for controlling the gas outlet pipe 73 to open and close is arranged, and gas in the gas tank 71 can circulate to the communicating pipe 75 through the transmission assembly 9 and then enter the gas inlet pipe 3.
The transmission assembly 9 comprises a pneumatic motor 91 arranged in the box 11, an air inlet and an air outlet of the pneumatic motor 91 are respectively connected with the air outlet pipe 73 and the communicating pipe 75, when a valve on the air outlet pipe 73 of the air tank 71 is opened, high-pressure air in the air tank 71 enters from the air inlet of the pneumatic motor 91 to drive the operation of the pneumatic motor to convert pressure energy into mechanical energy, the pressure energy is the additional work of a compressor impeller, the output end of the pneumatic motor 91 is provided with a transmission sleeve 92, a transmission rod 93 is movably arranged in the transmission sleeve 92, a compression spring 94 is arranged in the transmission sleeve 92, two ends of the compression spring 94 are respectively fixedly connected with the transmission sleeve 92 and the transmission rod 93, a transmission gear 96 which can be meshed with the rotary gear 12 is arranged at one end of the transmission rod 93 and the transmission sleeve 92, the inlet guide vane is controlled by using the driving motor 81 in an initial state, when the air is exhausted and throttled, after a certain high-pressure air is stored in the air tank 71, the inlet guide vane can be controlled by the transmission assembly 9 without consuming additional energy, and the electromagnet 95 is electrified to repel each other to drive the transmission rod 93, the transmission rod 93 moves, the transmission gear 96 is driven by the driving the motor to drive the rotary shaft 93 to rotate, and the inlet guide vane 91 is meshed with the rotary shaft 12, and then the inlet guide vane is meshed with the rotary shaft 93.
The outside of the exhaust pipe 4 is provided with a connecting pipe 14, a side pipe 13 is connected to the connecting pipe 14, the bottom end of the side pipe 13 is closed, and the pressure detection piece 6 is arranged in the side pipe 13.
The pressure detecting member 6 comprises a piston 61 arranged in a side pipe 13, the piston 61 is movably arranged in the side pipe 13, a return spring 62 is arranged in the side pipe 13, two ends of the return spring 62 are fixedly connected with the piston 61 and the bottom end of the side pipe 13 respectively, a pressure sensor 63 is arranged at the bottom end inside the side pipe 13, a trigger rod 64 is arranged on the piston 61, when the pressure of the exhaust pipe 4 is gradually increased, the air pressure drives the piston 61 to move in the side pipe 13, the piston 61 drives the trigger rod 64 to move, when the trigger rod 64 contacts the pressure sensor 63, the pressure of the exhaust pipe 4 is higher at the moment, then an electromagnetic valve at a bypass pipe 72 is opened for diversion, a part of high-pressure gas is led into a gas tank 71, when the pressure in the exhaust pipe 4 is gradually recovered, the piston 61 is reset under the action of the return spring 62, and the bypass pipe 72 is closed.
The connecting pipe 14 and the side pipe 13 are connected through flanges, sealing gaskets are arranged between the flanges, the tightness between the side pipe 13 and the connecting pipe 14 is ensured, and the pressure detection piece 6 is convenient to overhaul.
The valve body 74 is an electromagnetic switch valve that controls the opening and closing of the bypass pipe 72.
In summary, when the exhaust throttle is used, since the flow rate of the gas at the exhaust pipe 4 is restricted, the pressure at the exhaust pipe 4 is gradually increased, and surge may be caused, so that when the pressure at the exhaust pipe 4 is large, the electromagnetic valve on the bypass pipe 72 is opened to introduce a part of high-pressure gas into the gas tank 71 by the detection of the pressure detection member 6, and when the pressure in the exhaust pipe 4 is gradually restored, the piston 61 is restored by the action of the restoring spring 62, and the bypass pipe 72 is closed;
and the high-pressure gas in the gas tank 71 can be used as a power source for driving the pneumatic motor 91, so that the extra consumption of the impeller can be fully utilized, and the waste is avoided.
Example 2:
Through the setting of the resistor 66, when the pressure of blast pipe 4 department is different, remove stopper 65 and drive conductive brush 67 and remove on resistor 66, when the pressure is bigger, the current that passes through on the resistor 66 is bigger the bigger, and the aperture of electromagnetism proportional control valve is bigger for the gas of blast pipe 4 department bypass increases, can guarantee the stability of blast pipe 4 department discharge pressure with this kind of mode, and different pressures correspond the aperture of proportional control valve difference, maintain the stability of discharge pressure.
The embodiment of the invention also provides a centrifugal compressor which is provided with a flow regulating device, wherein the flow regulating device is any one of the flow regulating devices. Since the above-mentioned flow rate adjusting device has the above-mentioned technical effects, the centrifugal compressor having the same should have the same technical effects, and will not be described here.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a flow regulating device, includes frame (1) and organism (2), be provided with intake pipe (3) and blast pipe (4) on organism (2), be provided with the entry guide vane in intake pipe (3), be provided with control entry guide vane pivoted axis of rotation (5), its characterized in that on intake pipe (3): the method also comprises the following steps:
a pressure detection member (6), the pressure detection member (6) being provided on the exhaust pipe (4) for detecting a pressure at the exhaust pipe (4);
the bypass assembly (7) is arranged on one side of the machine body (2) and used for adjusting the pressure at the exhaust pipe (4);
the adjusting component (8), adjusting component (8) set up in axis of rotation (5) top for order about axis of rotation (5) to rotate.
2. A flow regulating device according to claim 1, wherein: be provided with branch (10) on frame (1), branch (10) top is provided with box (11), axis of rotation (5) tip is provided with rotation gear (12), adjusting part (8) are including setting up driving motor (81) in box (11), driving motor (81) output is provided with drive sleeve (82), drive sleeve (82) internalization is provided with actuating lever (83), be provided with connecting spring (84) in drive sleeve (82), connecting spring (84) both ends respectively with drive sleeve (82) and actuating lever (83) fixed connection, be provided with electro-magnet (85) of mutually supporting in actuating lever (83) tip and the drive sleeve (82), the one end that drive sleeve (82) was kept away from to actuating lever (83) is provided with can with drive gear (86) of rotation gear (12) meshing.
3. A flow regulating device according to claim 2, wherein: the bypass assembly (7) comprises a gas tank (71) arranged on one side of the machine body (2), a bypass pipe (72) and a gas outlet pipe (73) are respectively arranged at two ends of the gas tank (71), two ends of the bypass pipe (72) are respectively connected with the gas tank (71) and the gas outlet pipe (4), a valve body (74) for controlling the bypass pipe (72) to circulate is arranged on the bypass pipe (72), a transmission assembly (9) capable of driving the rotating shaft (5) to rotate is further arranged in the box body (11), the transmission assembly (9) is pneumatically connected with the gas tank (71), a communicating pipe (75) is arranged on one side of the gas inlet pipe (3), and the transmission assembly (9) is connected with the gas outlet pipe (73) and the communicating pipe (75).
4. A flow regulating device according to claim 3, wherein: the transmission assembly (9) comprises a pneumatic motor (91) arranged in a box body (11), an air inlet and an air outlet of the pneumatic motor (91) are respectively connected with an air outlet pipe (73) and a communicating pipe (75), a transmission sleeve (92) is arranged at the output end of the pneumatic motor (91), a transmission rod (93) is movably arranged in the transmission sleeve (92), a compression spring (94) is arranged in the transmission sleeve (92), two ends of the compression spring (94) are respectively fixedly connected with the transmission sleeve (92) and the transmission rod (93), an electromagnet (95) matched with each other is arranged in the end part of the transmission rod (93) and the transmission sleeve (92), and a transmission gear (96) meshed with the rotary gear (12) is arranged at one end of the transmission rod (93) away from the transmission sleeve (92).
5. A flow regulating device according to claim 4, wherein: the exhaust pipe (4) outside is provided with connecting pipe (14), connecting pipe (14) department is connected with side pipe (13), side pipe (13) bottom is sealed, pressure detection spare (6) set up in side pipe (13).
6. A flow regulating device according to claim 5, wherein: the pressure detection piece (6) comprises a piston (61) arranged in a side pipe (13), the piston (61) is movably arranged in the side pipe (13), a return spring (62) is arranged in the side pipe (13), two ends of the return spring (62) are fixedly connected with the piston (61) and the bottom end of the side pipe (13) respectively, a pressure sensor (63) is arranged at the bottom end inside the side pipe (13), and a trigger rod (64) is arranged on the piston (61).
7. A flow regulating device as defined in claim 6, wherein: the connecting pipe (14) and the side pipe (13) are connected through flanges, and sealing gaskets are arranged between the flanges.
8. A flow regulating device according to claim 7, wherein: the valve body (74) is a solenoid valve.
9. A flow regulating device according to claim 8, wherein: the pressure detection piece (6) comprises a movable plug (65) movably arranged in a side pipe (13), a resistor body (66) is arranged in the side pipe (13), a conductive brush (67) is arranged on the movable plug (65), the end part of the conductive brush (67) is in contact with the resistor body (66), a supporting spring (68) is arranged in the side pipe (13), and two ends of the supporting spring (68) are fixedly connected with the movable plug (65) and the bottom of the side pipe (13) respectively.
10. A centrifugal compressor having a flow regulating device, characterized in that: the flow regulating device is a flow regulating device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310444654.2A CN116146536B (en) | 2023-04-24 | 2023-04-24 | Flow regulating device and centrifugal compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310444654.2A CN116146536B (en) | 2023-04-24 | 2023-04-24 | Flow regulating device and centrifugal compressor |
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| CN116146536A true CN116146536A (en) | 2023-05-23 |
| CN116146536B CN116146536B (en) | 2023-06-27 |
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| CN202310444654.2A Active CN116146536B (en) | 2023-04-24 | 2023-04-24 | Flow regulating device and centrifugal compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118462651A (en) * | 2024-06-11 | 2024-08-09 | 中水淮河规划设计研究有限公司 | A flow adaptive guide vane regulating device based on hydraulic transmission |
| CN118603531A (en) * | 2024-06-30 | 2024-09-06 | 湖南闻湘仪器有限公司 | A strength testing device for instrument parts used in instrument production |
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| CN106523139A (en) * | 2015-09-14 | 2017-03-22 | 福特环球技术公司 | Method and system for surge control |
| CN211746236U (en) * | 2020-01-19 | 2020-10-27 | 青岛华丹牧业科技有限公司 | Auger feed chicken feeding device |
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| CN103635697A (en) * | 2011-06-30 | 2014-03-12 | 开利公司 | Compressor surge detection |
| CN202690536U (en) * | 2012-07-20 | 2013-01-23 | 沈阳鼓风机集团齿轮压缩机有限公司 | Guide vane regulator at entrance of polyolefin circulation air compressor |
| CN105247222A (en) * | 2013-06-27 | 2016-01-13 | 三菱日立电力系统株式会社 | Corrected rpm calculation method for compressor, control method for compressor, and devices for implementing these methods |
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| CN118462651A (en) * | 2024-06-11 | 2024-08-09 | 中水淮河规划设计研究有限公司 | A flow adaptive guide vane regulating device based on hydraulic transmission |
| CN118603531A (en) * | 2024-06-30 | 2024-09-06 | 湖南闻湘仪器有限公司 | A strength testing device for instrument parts used in instrument production |
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|---|---|
| CN116146536B (en) | 2023-06-27 |
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