CN116591975A - Air-cooled air compressor - Google Patents

Air-cooled air compressor Download PDF

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Publication number
CN116591975A
CN116591975A CN202310652833.5A CN202310652833A CN116591975A CN 116591975 A CN116591975 A CN 116591975A CN 202310652833 A CN202310652833 A CN 202310652833A CN 116591975 A CN116591975 A CN 116591975A
Authority
CN
China
Prior art keywords
air
channel
communicated
passage
cooled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310652833.5A
Other languages
Chinese (zh)
Inventor
冀伟星
白江涛
陶林
俞国华
王金龙
李清林
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.)
Shigatuobo Clean Power Rugao Co ltd
Original Assignee
Shigatuobo Clean Power Rugao Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shigatuobo Clean Power Rugao Co ltd filed Critical Shigatuobo Clean Power Rugao Co ltd
Priority to CN202310652833.5A priority Critical patent/CN116591975A/en
Publication of CN116591975A publication Critical patent/CN116591975A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • 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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • 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
    • F04D29/051—Axial thrust balancing
    • 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
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
    • F04D29/582—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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Landscapes

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

Abstract

The invention belongs to the technical field of fuel cells, and particularly discloses an air-cooled air compressor, which comprises a shell and a volute, wherein a first air inlet channel and a cooling channel which are mutually communicated are arranged in the shell, the cooling channel is used for cooling a bearing of the air compressor, the volute is connected with the shell, an air-entraining channel and a compression channel are arranged in the volute, one end of the air-entraining channel is communicated with an outlet of the compression channel, and the other end of the air-entraining channel is communicated with the first air inlet channel. The air-cooled air compressor can reduce the occupied space of the air compressor.

Description

Air-cooled air compressor
Technical Field
The invention belongs to the technical field of fuel cells, and particularly relates to an air-cooled air compressor.
Background
The hydrogen fuel cell stacks are used more and more widely, small-sized equipment brings new requirements to the complexity of the stacks, and some equipment requires an air compressor to adopt an air cooling mode and does not depend on cooling liquid for cooling.
The air-cooled air compressor machine among the related art needs to cool off the bearing, and air-cooled air compressor machine and external cooling source intercommunication, in introducing the casing with the cooling gas that external cooling source produced, utilize cooling gas to cool off the bearing, however, need install independent cooling source around the air compressor machine among the related art, increased the occupation space of air compressor machine, can't satisfy the use of small-size equipment.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides an air-cooled air compressor, which can reduce the occupied space of the air compressor.
The air-cooled air compressor of the embodiment of the invention comprises: the air compressor comprises a shell, wherein a first air inlet channel and a cooling channel which are communicated with each other are arranged in the shell, and the cooling channel is used for cooling a bearing of the air compressor; the volute is connected with the shell, a bleed air channel and a compression channel are arranged in the volute, one end of the bleed air channel is communicated with an outlet of the compression channel, and the other end of the bleed air channel is communicated with the first air inlet channel.
The air-cooled air compressor provided by the embodiment of the invention can reduce the occupied space of the air compressor.
In some embodiments, the cooling channel includes a tip-pressing air passage, a connecting air passage and a vortex-end air passage that are in communication with each other, the tip-pressing air passage is used for guiding cooling gas to cool the tip-pressing bearing, one end of the connecting air passage is in communication with the tip-pressing air passage, the other end of the connecting air passage is in communication with the vortex-end air passage, and the vortex-end air passage is used for guiding cooling gas to cool the vortex-end bearing.
In some embodiments, the air-cooled air compressor further comprises a baffle, a thrust disc and a rotating shaft, wherein the rotating shaft is arranged in the shell in a penetrating manner, the shell is provided with an air inlet end and an air outlet end in the length direction, the baffle and the thrust disc are sleeved on the rotating shaft, the baffle and the thrust disc are positioned at the air inlet end, a first chamber is formed between the baffle and the thrust disc, one end of the first chamber is communicated with the first air inlet channel, and the other end of the first chamber is communicated with the air passage of the pressure end.
In some embodiments, the air-cooled air compressor further comprises a bearing seat, the bearing seat is sleeved on the rotating shaft, the bearing seat is located on one side, away from the first chamber, of the thrust disc, a second air inlet channel is formed in the bearing seat, one end of the second air inlet channel is communicated with the first air inlet channel, and the other end of the second air inlet channel is communicated with the first chamber.
In some embodiments, the thrust disc is provided with an air vent, the baffle is provided with a third air inlet channel, one end of the air vent is communicated with the second air inlet channel, the other end of the air vent is communicated with the third air inlet channel, and the third air inlet channel is communicated with the first chamber.
In some embodiments, the air-cooled air compressor further comprises a stator, wherein the stator is sleeved on the rotating shaft, and a preset gap is formed between the stator and the rotating shaft to form the connecting air passage.
In some embodiments, an outer wall surface of the stator contacts an inner wall surface of the housing.
In some embodiments, the air-cooled air compressor further comprises a guide plate, the guide plate is sleeved on the rotating shaft, a preset gap is formed between the guide plate and the rotating shaft to form an air outlet channel, one end of the air outlet channel is communicated with the vortex end air channel, and the other end of the air outlet channel is communicated with the inlet of the compression channel.
In some embodiments, the volute includes a first volute and a second volute in communication with each other, the first volute being connected to the housing, an outlet of the compression passage in the first volute being connected to an inlet of the compression passage in the second volute, and the bleed air passage being in communication with an outlet of the compression passage in the first volute.
In some embodiments, the other end of the outlet passage communicates with an inlet of a compression passage within the first volute.
The beneficial effects are that:
according to the air-cooled air compressor disclosed by the embodiment of the invention, the air-entraining channel is formed at the outlet of the compression channel of the volute, the high-pressure air in the compression channel is led into the cooling channel through the first air inlet channel, the high-pressure air generates pressure difference at the air inlet end of the shell, the high-pressure air is cooled by utilizing the temperature difference between the air at the air inlet end and the high-pressure air, the cooled high-pressure air enters the gap between the rotating shaft and the bearing, and the heat generated by the bearing is taken away, so that the bearing is cooled.
Drawings
Fig. 1 is a schematic structural diagram of an air-cooled air compressor according to an embodiment of the present invention.
Reference numerals:
the casing 1, the first intake passage 11, the cooling passage 12, the pressure end air passage 121, the connection air passage 122, the vortex end air passage 123,
the volute 2, the bleed air channel 21, the compression channel 22, the first volute 23, the second volute 24,
the baffle plate 3, the third air intake passage 31,
the thrust disc 4, the air-introducing hole 41,
the rotation axis 5, the first chamber 6,
the flow of air from the bearing housing 7, the second air intake passage 71,
stator 8, guide plate 9, and air outlet channel 10.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1, the air-cooled air compressor of the embodiment of the invention comprises a casing 1 and a volute 2, wherein a first air inlet channel 11 and a cooling channel 12 which are mutually communicated are arranged in the casing 1, the cooling channel 12 is used for cooling a bearing of the air compressor, the volute 2 is connected with the casing 1, a bleed air channel and a compression channel 22 are arranged in the volute 2, one end of the bleed air channel is communicated with an outlet of the compression channel 22, and the other end of the bleed air channel is communicated with the first air inlet channel 11.
Specifically, as shown in fig. 1, the volute 2 is disposed at the right end of the casing 1, the left end of the casing 1 is an air inlet end, the right end of the casing 1 is a compression end, a compression channel 22 is disposed in the volute 2, the compression channel 22 has an inlet and an outlet, and the inlet of the compression channel 22 is communicated with the air inlet at the left end of the casing 1. The inlet of the first air intake channel 11 communicates with the outlet of the bleed air channel, the outlet of the first air intake channel 11 communicates with the inlet of the cooling channel 12, and the inlet of the bleed air channel communicates with the outlet of the compression channel 22.
According to the air-cooled air compressor disclosed by the embodiment of the invention, the air-entraining channel is formed at the outlet of the compression channel 22 of the volute 2, high-pressure air in the compression channel 22 is led into the cooling channel 12 through the first air inlet channel 11, the high-pressure air generates pressure difference at the air inlet end of the shell 1, the high-pressure air is cooled by utilizing the temperature difference between the air at the air inlet end and the high-pressure air, the cooled high-pressure air enters a gap between the rotating shaft 5 and the bearing to take away the heat generated by the bearing, so that the bearing is cooled.
In some embodiments, cooling channel 12 includes a tip air passage 121, a connecting air passage 122, and a vortex air passage 123 in communication with each other, tip air passage 121 being configured to direct cooling gas to cool a tip bearing, one end of connecting air passage 122 being in communication with tip air passage 121, the other end of connecting air passage 122 being in communication with vortex air passage 123, vortex air passage 123 being configured to direct cooling gas to cool a vortex bearing.
Specifically, as shown in fig. 1, the cooling channel 12 includes a pressure end air channel 121, a connection air channel 122 and a vortex end air channel 123 which are sequentially communicated from left to right, and an outlet of the vortex end air channel 123 is communicated with an inlet of the compression channel 22 in the volute 2, so that a complete internal circulation flow channel is formed, the utilization rate of compressed gas is improved, and the compression efficiency of the air compressor is ensured.
In some embodiments, the air-cooled air compressor further includes a baffle 3, a thrust disc 4 and a rotating shaft 5, the rotating shaft 5 is arranged in the casing 1 in a penetrating manner, the casing 1 is provided with an air inlet end and an air outlet end in the length direction, the baffle 3 and the thrust disc 4 are sleeved on the rotating shaft 5, the baffle 3 and the thrust disc 4 are positioned at the air inlet end, a first chamber 6 is formed between the baffle 3 and the thrust disc 4, one end of the first chamber 6 is communicated with the first air inlet channel 11, and the other end of the first chamber 6 is communicated with the pressure end air channel 121.
Specifically, as shown in fig. 1, the baffle 3 and the thrust disc 4 are respectively sleeved on the rotating shaft 5, the baffle 3 is located at the left side of the thrust disc 4, a first chamber 6 is enclosed between the right end face of the baffle 3 and the left end face of the thrust disc 4, an inlet of the first chamber 6 is communicated with the first air inlet channel 11, and an outlet of the first chamber 6 is communicated with the pressure end air channel 121.
A pressure end air passage 121 is formed between the bearing on the left side and the rotating shaft 5, and a vortex end air passage 123 is formed between the bearing on the right side and the rotating shaft 5.
According to the air-cooled air compressor disclosed by the embodiment of the invention, the baffle plate 3 and the thrust disc 4 are arranged and form the first chamber 6, so that the compressed air flowing out of the first air inlet channel 11 is prevented from leaking, the cooling efficiency of the bearing can be improved, and the compression efficiency of the air compressor can also be improved.
In some embodiments, the air-cooled air compressor further comprises a bearing seat 7, the bearing seat 7 is sleeved on the rotating shaft 5, the bearing seat 7 is located on one side of the thrust disc 4 away from the first chamber 6, a second air inlet channel 71 is arranged in the bearing seat 7, one end of the second air inlet channel 71 is communicated with the first air inlet channel 11, and the other end of the second air inlet channel 71 is communicated with the first chamber 6.
Specifically, as shown in fig. 1, the bearing seat 7 is sleeved on the rotating shaft 5, the bearing seat 7 is located at the left side of the rotating shaft 5, the bearing seat 7 is located at the right side of the thrust disc 4, the left end face of the bearing seat 7 is in contact with the right end face of the thrust disc 4, a second air inlet channel 71 is arranged in the bearing seat 7, an inlet of the second air inlet channel 71 is communicated with an outlet of the first air inlet channel 11, an outlet of the second air inlet channel 71 is communicated with an inlet of the first chamber 6, a bearing is embedded in the bearing seat 7, heat generated by the bearing is conducted to the bearing seat 7, and the heat on the bearing seat 7 can be carried by compressed air through the second air inlet channel 71, so that the cooling efficiency of the bearing is improved.
In some embodiments, the thrust disc 4 is provided with a bleed hole 41, the baffle 3 is provided with a third air inlet channel 31, one end of the bleed hole 41 is communicated with the second air inlet channel 71, the other end of the bleed hole 41 is communicated with the third air inlet channel 31, and the third air inlet channel 31 is communicated with the first chamber 6.
Specifically, as shown in fig. 1, the inlet of the air bleed hole 41 is communicated with the outlet of the second air inlet channel 71, the outlet of the air bleed hole 41 is communicated with the inlet of the third air inlet channel 31, the outlet of the third air inlet channel 31 is communicated with the first chamber 6, and by opening the air bleed hole 41 on the thrust disc 4 and the third air inlet channel 31 on the baffle plate 3, not only can heat on the thrust disc 4 and the baffle plate 3 be taken away by compressed gas, but also the compressed gas flowing through the third air inlet channel 31 can be cooled by the low-temperature gas due to the direct contact of the baffle plate 3 and the low-temperature gas entering from the air inlet of the shell 1, so that the cooling efficiency of the bearing is improved.
In some embodiments, the air-cooled air compressor further includes a stator 8, the stator 8 is sleeved on the rotating shaft 5, and a preset gap is formed between the stator 8 and the rotating shaft 5 to form a connection air passage 122.
Specifically, as shown in fig. 1, the stator 8 is located between the bearings on the left and right sides, a connection air passage 122 is formed between the inner peripheral surface of the stator 8 and the outer peripheral surface of the rotating shaft 5, the left end of the connection air passage 122 is communicated with the pressure end air passage 121, the right end of the connection air passage 122 is communicated with the vortex end air passage 123, and compressed gas flows between the stator 8 and the rotating shaft 5, so that heat generated by the stator 8 and the rotating shaft 5 can be taken to cool the stator 8 and the rotating shaft 5.
In some embodiments, the outer wall surface of the stator 8 is in contact with the inner wall surface of the housing 1.
For example, the stator 8 and the housing 1 are in interference fit, heat generated by the stator 8 is conducted to the housing 1, and the first air inlet channel 11 in the housing 1 cools the housing 1, so that the stator 8 is indirectly cooled.
Optionally, the outer peripheral surface of the casing 1 is provided with a plurality of radiating fins, and the radiating fins are arranged to radiate heat passively, so that the temperature of the stator 8 is maintained within a design working range, and the design service life and the service life of the air compressor are ensured.
In some embodiments, the air-cooled air compressor further includes a baffle 9, the baffle 9 is sleeved on the rotating shaft 5, and a preset gap is formed between the baffle 9 and the rotating shaft 5 to form an air outlet channel 10, one end of the air outlet channel 10 is communicated with the vortex end air channel 123, and the other end of the air outlet channel 10 is communicated with the inlet of the compression channel 22.
Specifically, as shown in fig. 1, the baffle 9 is sleeved on the rotating shaft 5, the baffle 9 is located on the right side of the right bearing, an air outlet channel 10 is formed between the inner peripheral surface of the baffle 9 and the outer peripheral surface of the rotating shaft 5, an inlet of the air outlet channel 10 is communicated with the vortex end air channel 123, and an outlet of the air outlet channel 10 is communicated with an inlet of the compression channel 22, so that an inner circulation flow channel is formed, the internal part of the air compressor can be cooled, the external leakage amount of compressed air is reduced, and the compression efficiency of the air compressor is improved.
In some embodiments, the scroll casing 2 comprises a first scroll casing 23 and a second scroll casing 24 in communication with each other, the first scroll casing 23 being connected to the housing 1, the outlet of the compression passage 22 in the first scroll casing 23 being connected to the inlet of the compression passage 22 in the second scroll casing 24, and the bleed air passage being in communication with the outlet of the compression passage 22 in the first scroll casing 23.
Specifically, as shown in fig. 1, the first volute 23 and the second volute 24 are arranged at intervals in the left-right direction, and an outlet of the compression passage 22 in the first volute 23 is communicated with an inlet of the compression passage 22 in the second volute 24, and it is noted that the first volute 23 is in primary compression, the second volute 24 is in secondary compression, and an outlet of the compression passage 22 of the second volute 24 is connected with a gas consuming component.
For example, a labyrinth seal is provided between the first scroll 23 and the second scroll 24 to prevent compressed gas in the second scroll 24 from entering the first scroll 23.
Specifically, as shown in fig. 1, the outlet of the air outlet channel 10 is communicated with the inlet of the compression channel 22 in the first volute 23, so as to form a closed internal circulation flow channel, avoid the leakage of compressed air and improve the compression efficiency of the air compressor.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (10)

1. An air-cooled air compressor, comprising:
the air compressor comprises a shell, wherein a first air inlet channel and a cooling channel which are communicated with each other are arranged in the shell, and the cooling channel is used for cooling a bearing of the air compressor;
the volute is connected with the shell, a bleed air channel and a compression channel are arranged in the volute, one end of the bleed air channel is communicated with an outlet of the compression channel, and the other end of the bleed air channel is communicated with the first air inlet channel.
2. An air-cooled air compressor according to claim 1, wherein the cooling passage includes a pressure end air passage, a connection air passage and a vortex end air passage which are communicated with each other, the pressure end air passage is used for guiding cooling air to cool the pressure end bearing, one end of the connection air passage is communicated with the pressure end air passage, the other end of the connection air passage is communicated with the vortex end air passage, and the vortex end air passage is used for guiding cooling air to cool the vortex end bearing.
3. The air-cooled air compressor of claim 2, further comprising a baffle, a thrust disc and a rotating shaft, wherein the rotating shaft is arranged in the shell in a penetrating manner, the shell is provided with an air inlet end and an air outlet end in the length direction, the baffle and the thrust disc are sleeved on the rotating shaft, the baffle and the thrust disc are positioned at the air inlet end, a first chamber is formed between the baffle and the thrust disc, one end of the first chamber is communicated with the first air inlet channel, and the other end of the first chamber is communicated with the pressure end air channel.
4. An air-cooled air compressor according to claim 3, further comprising a bearing seat, wherein the bearing seat is sleeved on the rotating shaft, the bearing seat is located at one side of the thrust disc away from the first chamber, a second air inlet channel is formed in the bearing seat, one end of the second air inlet channel is communicated with the first air inlet channel, and the other end of the second air inlet channel is communicated with the first chamber.
5. The air-cooled air compressor of claim 4, wherein the thrust disc is provided with an air vent, the baffle is provided with a third air inlet channel, one end of the air vent is communicated with the second air inlet channel, the other end of the air vent is communicated with the third air inlet channel, and the third air inlet channel is communicated with the first chamber.
6. An air-cooled air compressor according to any one of claims 3-5, further comprising a stator, wherein the stator is sleeved on the rotating shaft, and a preset gap is formed between the stator and the rotating shaft to form the connecting air passage.
7. An air-cooled air compressor according to claim 6, wherein an outer wall surface of the stator is in contact with an inner wall surface of the housing.
8. An air-cooled air compressor according to any one of claims 3-5, further comprising a baffle plate, wherein the baffle plate is sleeved on the rotating shaft, and a preset gap is formed between the baffle plate and the rotating shaft to form an air outlet channel, one end of the air outlet channel is communicated with the vortex end air channel, and the other end of the air outlet channel is communicated with the inlet of the compression channel.
9. The air-cooled air compressor of claim 8, wherein the scroll includes a first scroll and a second scroll in communication with each other, the first scroll being connected to the housing, an outlet of the compression passage in the first scroll being connected to an inlet of the compression passage in the second scroll, and the bleed air passage being in communication with an outlet of the compression passage in the first scroll.
10. An air-cooled air compressor according to claim 9, wherein the other end of the air outlet passage communicates with an inlet of a compression passage in the first volute.
CN202310652833.5A 2023-06-02 2023-06-02 Air-cooled air compressor Pending CN116591975A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310652833.5A CN116591975A (en) 2023-06-02 2023-06-02 Air-cooled air compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310652833.5A CN116591975A (en) 2023-06-02 2023-06-02 Air-cooled air compressor

Publications (1)

Publication Number Publication Date
CN116591975A true CN116591975A (en) 2023-08-15

Family

ID=87606253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310652833.5A Pending CN116591975A (en) 2023-06-02 2023-06-02 Air-cooled air compressor

Country Status (1)

Country Link
CN (1) CN116591975A (en)

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