CN113279988A - Novel gas compressor - Google Patents

Novel gas compressor Download PDF

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Publication number
CN113279988A
CN113279988A CN202110770202.4A CN202110770202A CN113279988A CN 113279988 A CN113279988 A CN 113279988A CN 202110770202 A CN202110770202 A CN 202110770202A CN 113279988 A CN113279988 A CN 113279988A
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CN
China
Prior art keywords
casing
impeller
transmission shaft
air
bearing
Prior art date
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Granted
Application number
CN202110770202.4A
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Chinese (zh)
Other versions
CN113279988B (en
Inventor
张伟
潘武义
潘庆伟
黄迪
从炳雨
徐鹏
仲光晨
张伟志
杨宇超
王宗阳
时洪淏
郭海龙
肖玉坤
程健
李建云
郭程程
韩佳峰
杜涛
杨晓洁
曹浩波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongke Hangxing Technology Co ltd
Original Assignee
Zhongke Hangxing Technology Co ltd
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Priority to CN202110770202.4A priority Critical patent/CN113279988B/en
Publication of CN113279988A publication Critical patent/CN113279988A/en
Application granted granted Critical
Publication of CN113279988B publication Critical patent/CN113279988B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • 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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/057—Bearings hydrostatic; hydrodynamic
    • 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
    • F04D29/06—Lubrication
    • F04D29/063—Lubrication specially adapted for elastic fluid pumps
    • 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
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
    • 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

Abstract

The invention discloses a novel gas compressor, which comprises a gas inlet casing, a casing and a motor, wherein a flow guide cone is arranged in the gas inlet casing, the casing is connected with the gas inlet casing, an impeller is arranged in the casing and connected with a transmission shaft of the motor, a diffuser is arranged at one end of the impeller, which is far away from the gas inlet casing, the tail end of the transmission shaft is arranged in the flow guide cone, and a vent hole is formed in the flow guide cone. According to the novel air compressor, the air holes are formed in the flow guide cone, so that air enters the transmission shaft through the auxiliary air flow channel, and heat generated by the work of the transmission shaft is taken away.

Description

Novel gas compressor
Technical Field
The invention relates to the technical field of gas compressors, in particular to a novel gas compressor.
Background
The centrifugal compressor consists of an air guide wheel, an impeller, a diffuser and the like, and air enters the compressor through an air inlet and enters the impeller through the guide of the air guide wheel rotating together with the impeller. Under the action of the high-speed rotating impeller, air is thrown to the outer edge of the impeller from the center of the impeller by centrifugal force, the pressure is gradually increased, the speed of the air flowing out of the impeller is reduced after the air enters the diffuser, the pressure is increased again, and the air flows out of the air compressor from the diffuser passage finally.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a novel air compressor capable of timely dissipating heat of a transmission shaft.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a novel compressor, includes air inlet machine casket, casing and motor, be equipped with the water conservancy diversion awl in the air inlet machine casket, the casing is connected with the air inlet machine casket, be equipped with the impeller in the casing, the impeller is connected with the transmission shaft of motor, the one end that the air inlet machine casket was kept away from to the impeller is equipped with the diffuser, in the water conservancy diversion awl was located to the end of transmission shaft, be equipped with the air vent on the water conservancy diversion awl.
Preferably, a bearing is arranged between the transmission shaft and the diffuser, a main air flow air outlet channel is formed between the impeller and the diffuser and between the impeller and the casing, a bearing support is arranged between the bearing and the diffuser, an auxiliary air flow air inlet channel is arranged on the bearing support, an auxiliary air flow outlet channel is arranged between the impeller and the diffuser, and the auxiliary air flow outlet channel is communicated with the main air flow air outlet channel.
Preferably, an oil distribution ring is arranged on a transmission shaft of the bearing, which is far away from the air inlet casing, a fuel oil inlet is arranged on the casing, one end of the fuel oil inlet is connected with the oil tank, the other end of the fuel oil inlet is connected with a fuel oil main pipeline and a lubricating oil pipeline, the other end of the fuel oil main pipeline is communicated with the combustion chamber, and the other end of the lubricating oil pipeline is communicated with the oil distribution ring.
Preferably, a bleed air joint is arranged on the machine shell, one end of the bleed air joint is communicated with the main air flow outlet channel, and the other end of the bleed air joint is connected with the oil tank.
Preferably, the transmission shaft is connected with the diversion cone through a motor rotor and a motor stator which are matched with each other, the motor rotor is arranged on the outer surface of the transmission shaft, and the motor stator is arranged on the inner surface of the diversion cone.
Preferably, a spacer is arranged between the impeller and the bearing.
Preferably, an annular cavity is arranged between the bearing support and the transmission shaft, the oil distribution ring is arranged in the annular cavity, and a disc spring is arranged between the oil distribution ring and the bearing support.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the novel air compressor, the air holes are formed in the flow guide cone, so that air enters the flow guide cone through the auxiliary air channel, and heat is brought by the operation of the cooling motor;
(2) the novel press machine disclosed by the invention has the advantages that fuel oil is adopted for lubricating the bearing, an independent lubricating system is not required to be arranged, the fuel oil enters the fuel oil access port and respectively enters the combustion chamber and the oil distribution ring through the fuel oil main pipeline and the lubricating oil pipeline, and the fuel oil is uniformly sprayed into the inner cavity of the bearing through the oil distribution holes of the oil distribution ring, so that the bearing is lubricated by the fuel oil, and the structure of the compressor is simplified;
(3) the auxiliary airflow enters the bearing cavity from the auxiliary airflow inlet channel, fuel oil in the bearing is brought into the air compressor system under the pump effect of the rotating impeller and enters the combustion chamber along with the airflow, and finally, the fuel oil is burnt out, and the auxiliary airflow also takes away the heat of the bearing.
Drawings
Fig. 1 is a schematic structural diagram of a novel compressor provided by the invention;
fig. 2 is an internal cross-sectional view of a novel compressor according to the present invention;
fig. 3 is a partially enlarged view of a in fig. 2.
In the figure: 1-an air inlet casing; 2-a housing; 3, driving a shaft; 4-a flow guide cone; 5-an impeller; 6, a diffuser; 7-a bearing; 8-bearing support; 9-oil separating ring; 10-disc spring; 11-main airflow outlet channel; 12-auxiliary gas outflow gas channel; 13-adjusting the shim; 14-fuel access; 15-fuel main line; 16-lubricating oil line; 17-a bleed air connection; 18-a motor rotor; 19-motor stator; 20-a vent hole; 21-auxiliary airflow intake channel.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1-3, a novel gas compressor comprises a gas inlet casing 1, a casing 2 and a motor, a flow guide cone 4 is arranged in the gas inlet casing 1, the casing 2 is connected with the gas inlet casing 1, an impeller 5 is arranged in the casing 1, the impeller 5 is connected with a transmission shaft 3 of the motor, a diffuser 6 is arranged at one end of the impeller 5 far away from the gas inlet casing 1, a bearing 7 is arranged between the transmission shaft 3 and the diffuser 6, a bearing support 8 is arranged between the bearing 7 and the diffuser 6, the bearing support 8 is connected with the diffuser 6, an annular cavity is arranged between the bearing support 8 and the transmission shaft 3, an oil distribution ring 9 is arranged in the annular cavity, a disc spring 10 is arranged between the oil distribution ring 9 and the bearing support 8, the tail end of the transmission shaft 3 is arranged in the flow guide cone 4, the transmission shaft 3 is connected with the flow guide cone 4 through a motor rotor 18 and a motor stator 19 which are matched, and the motor rotor 10 is arranged on the outer surface of the transmission shaft 3, the motor stator 2 is arranged on the inner surface of the flow guide cone 4, the flow guide cone is provided with a vent hole 20, a main air flow outlet channel 11 is formed between the impeller 5 and the casing and between the diffuser 6, an adjusting gasket 13 is arranged between the impeller 5 and the bearing 7, an auxiliary air flow outlet channel 12 is arranged between the impeller 5 and the diffuser 6, and the auxiliary air flow outlet channel 12 is communicated with the main air flow outlet channel 11.
The casing 2 is provided with a fuel inlet 14, one end of the fuel inlet 14 is connected with the oil tank, the other end of the fuel inlet 14 is connected with a fuel main pipeline 15 and a lubricating oil pipeline 16, the other end of the fuel main pipeline 15 is communicated with the combustion chamber, and the other end of the lubricating oil pipeline 16 is communicated with the oil distributing ring 9. The casing 2 is provided with a bleed air joint 17, one end of the bleed air joint 17 is communicated with the main air flow outlet channel 11, the other end of the bleed air joint is connected with an oil tank, and the high-pressure gas after diffusion is introduced into the oil tank for oil tank pressurization.
When the novel air compressor works, air is thrown to the outer edge of an impeller 5 under the action of a high-speed rotating impeller under the flow guidance of a flow guidance cone 4 through an air inlet casing 1, the pressure is gradually increased, the speed of the air flowing out of the impeller 5 is reduced after the air enters a diffuser 6, the pressure is increased again, the air finally enters a main air flow air outlet channel 11 and enters a combustion chamber, a part of the air enters the flow guidance cone 4 through a vent hole 20, the heat brought by the running of a motor is taken away through a gap between a transmission shaft 3 and each part, then the air enters an air compressor system and enters the combustion chamber through the main air flow air outlet channel 11, fuel enters a fuel inlet 14 from an oil tank and respectively enters the combustion chamber and an oil distribution ring 9 through a fuel main pipeline 15 and a lubricating oil pipeline 16, the fuel is uniformly sprayed into the inner cavity of a bearing 7 through oil distribution holes of the oil distribution ring 9, so that the fuel lubricates the bearing 7, an independent lubricating oil system is abandoned, and the structure of the gas compressor is simplified; and a part of gas enters the cavity of the bearing from the auxiliary gas flow inlet channel, the fuel in the bearing 7 flows out of the gas channel through the auxiliary gas under the pumping effect of the rotating impeller, the fuel is brought into the compressor system, enters the combustion chamber along with the gas flow and is finally combusted completely, and the auxiliary gas flow also takes away the heat of the bearing 7.
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 utility model provides a novel compressor, includes air inlet machine casket, casing and motor, be equipped with the water conservancy diversion awl in the air inlet machine casket, the casing is connected with the air inlet machine casket, be equipped with the impeller in the casing, the impeller is connected with the transmission shaft of motor, the one end that the air inlet machine casket was kept away from to the impeller is equipped with the diffuser, its characterized in that, in the water conservancy diversion awl was located to the end of transmission shaft, be equipped with the air vent on the water conservancy diversion awl.
2. The novel compressor of claim 1, wherein a bearing is arranged between the transmission shaft and the diffuser, a main airflow outlet channel is formed between the impeller and the diffuser and between the impeller and the casing, a bearing support is arranged between the bearing and the diffuser, an auxiliary airflow inlet channel is arranged on the bearing support, an auxiliary airflow outlet channel is arranged between the impeller and the diffuser, and the auxiliary airflow outlet channel is communicated with the main airflow outlet channel.
3. The novel compressor as claimed in claim 2, wherein an oil distribution ring is arranged on a transmission shaft of the bearing away from the air inlet casing, a fuel inlet is arranged on the casing, one end of the fuel inlet is connected with the fuel tank, the other end of the fuel inlet is connected with a main fuel pipeline and a lubricating oil pipeline, the other end of the main fuel pipeline is communicated with the combustion chamber, and the other end of the lubricating oil pipeline is communicated with the oil distribution ring.
4. The novel air compressor as claimed in claim 2, wherein a bleed air joint is provided on the casing, one end of the bleed air joint is communicated with the main air outlet channel, and the other end of the bleed air joint is connected with an oil tank.
5. The compressor as claimed in claim 1, wherein the transmission shaft is connected to the guide cone through a motor rotor and a motor stator which are engaged with each other, the motor rotor is disposed on an outer surface of the transmission shaft, and the motor stator is disposed on an inner surface of the guide cone.
6. The novel compressor of claim 2, wherein a spacer is disposed between the impeller and the bearing.
7. The novel compressor as claimed in claim 6, wherein an annular cavity is provided between the bearing support and the transmission shaft, the oil-separating ring is provided in the annular cavity, and a disc spring is provided between the oil-separating ring and the bearing support.
CN202110770202.4A 2021-07-06 2021-07-06 Novel gas compressor Active CN113279988B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110770202.4A CN113279988B (en) 2021-07-06 2021-07-06 Novel gas compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110770202.4A CN113279988B (en) 2021-07-06 2021-07-06 Novel gas compressor

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CN113279988A true CN113279988A (en) 2021-08-20
CN113279988B CN113279988B (en) 2022-05-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113958411A (en) * 2021-10-19 2022-01-21 中国科学院工程热物理研究所 Cantilever type elastic supporting structure of aircraft engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100251692A1 (en) * 2006-10-27 2010-10-07 Kinde Sr Ronald August Methods of combining a series of more efficient aircraft engines into a unit, or modular units
CN103216333A (en) * 2013-04-08 2013-07-24 南京理工大学 Countercurrent tangential type micro turbojet engine
CN104265460A (en) * 2014-08-20 2015-01-07 中国科学院工程热物理研究所 Miniature aeroengine bearing fuel oil heat-exchange cooling device
CN108952967A (en) * 2018-06-27 2018-12-07 中国科学院工程热物理研究所 Turbojet engine with improved air system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100251692A1 (en) * 2006-10-27 2010-10-07 Kinde Sr Ronald August Methods of combining a series of more efficient aircraft engines into a unit, or modular units
CN103216333A (en) * 2013-04-08 2013-07-24 南京理工大学 Countercurrent tangential type micro turbojet engine
CN104265460A (en) * 2014-08-20 2015-01-07 中国科学院工程热物理研究所 Miniature aeroengine bearing fuel oil heat-exchange cooling device
CN108952967A (en) * 2018-06-27 2018-12-07 中国科学院工程热物理研究所 Turbojet engine with improved air system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113958411A (en) * 2021-10-19 2022-01-21 中国科学院工程热物理研究所 Cantilever type elastic supporting structure of aircraft engine
CN113958411B (en) * 2021-10-19 2023-03-10 中国科学院工程热物理研究所 Cantilever type elastic supporting structure of aircraft engine

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Address after: No. 1333 Yingshanhong Road, Huangdao District, Qingdao, Shandong Province, 266000

Patentee after: Zhongke Hangxing Technology Co.,Ltd.

Country or region after: China

Address before: 266000 Binhai Avenue South, Shanchuan Road West, Huangdao District, Qingdao City, Shandong Province

Patentee before: ZHONGKE HANGXING TECHNOLOGY Co.,Ltd.

Country or region before: China

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