CN210107868U - Multistage formula air compression safety device - Google Patents

Multistage formula air compression safety device Download PDF

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Publication number
CN210107868U
CN210107868U CN201920530076.3U CN201920530076U CN210107868U CN 210107868 U CN210107868 U CN 210107868U CN 201920530076 U CN201920530076 U CN 201920530076U CN 210107868 U CN210107868 U CN 210107868U
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CN
China
Prior art keywords
air
compressor
air compressor
communicated
drying device
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Active
Application number
CN201920530076.3U
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Chinese (zh)
Inventor
李如楠
胡忠伟
郭亮亮
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.)
Wuxi Lianzhong Gas Co Ltd
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Wuxi Lianzhong Gas Co Ltd
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Priority to CN201920530076.3U priority Critical patent/CN210107868U/en
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Publication of CN210107868U publication Critical patent/CN210107868U/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04012—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling
    • F25J3/04018—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling of main feed air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
    • F25J3/04781—Pressure changing devices, e.g. for compression, expansion, liquid pumping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/60—Processes or apparatus using other separation and/or other processing means using adsorption on solid adsorbents, e.g. by temperature-swing adsorption [TSA] at the hot or cold end
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/02—Compressor intake arrangement, e.g. filtering or cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2245/00—Processes or apparatus involving steps for recycling of process streams
    • F25J2245/40—Processes or apparatus involving steps for recycling of process streams the recycled stream being air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2280/00—Control of the process or apparatus
    • F25J2280/10—Control for or during start-up and cooling down of the installation

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Gases (AREA)

Abstract

The utility model discloses a multistage formula air compression safety device: the self-cleaning air filter comprises an air compression device, wherein the air compression device comprises a first air compressor, a second air compressor and a third cavity compressor, an air inlet of the first air compressor is communicated with an air outlet of the self-cleaning air filter, and the first air compressor, the second air compressor and the third air compressor are sequentially communicated; and the air outlet of the third air compressor is communicated with the air inlet of the air pre-cooling system through a pressurization pipe. The utility model is arranged by pressurizing the air step by step through the first air compressor, the second air compressor and the third air compressor; the air compressor is protected while the air pressurization efficiency is guaranteed.

Description

Multistage formula air compression safety device
Technical Field
The utility model relates to an air separation technical field especially relates to a multistage formula air compression safety device.
Background
In the process of preparing oxygen by using the air separation technology, the air pressure is increased by the air compressor, so that power is provided for the air in the whole air separation oxygen generation system, and the air can continuously enter the air separation system. Generally, the further air is pressurized to 0.6Mpa and then is precooled in a precooling system. At the present stage, air is compressed and pressurized through an air compressor, so that the air compression efficiency is low, and the performance of the air compressor is required to be higher. Meanwhile, when the existing self-cleaning air filter is used for filtering air, water vapor in the air cannot be well removed, and when the air is compressed and pressurized, the water vapor in the air is condensed into a liquid state and drops into the air compressor, so that internal parts of the air compressor are corroded.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a multistage formula air compression safety device also plays the effect of protection to the air compressor machine when having ensured the supercharging efficiency of air through a plurality of air compressors compressed air step by step.
The technical scheme is as follows: in order to achieve the above object, the utility model discloses a multistage formula air compression safety device: the self-cleaning air filter comprises an air compression device, wherein the air compression device comprises a first air compressor, a second air compressor and a third air compressor, an air inlet of the first air compressor is communicated with an air outlet of the self-cleaning air filter, and the first air compressor, the second air compressor and the third air compressor are sequentially communicated; an air outlet of the third air compressor is communicated with an air inlet of the air pre-cooling system through a pressurization pipe; the air is pressurized step by step through a first air compressor, a second air compressor and a third air compressor; the air compressor is protected while the air pressurization efficiency is guaranteed.
Furthermore, the air compression device also comprises an air drying device, the air inlet end of the air drying device is communicated with the air outlet of the self-cleaning air filter, and the air outlet end of the air drying device is communicated with the air inlet end of the first air compressor through a first pipeline; a fixed structure matched with the inner wall of the air drying device is arranged in the air drying device, a plurality of ventilation cavities communicated with the air inlet end and the air outlet end of the air drying device are arranged on the fixed structure, and granular air drying agents are filled in the ventilation cavities; air from the self-cleaning air filter is dried through the air drying agent, and water vapor in the air is prevented from being condensed into liquid drops to corrode internal parts of the air compressor after being pressurized.
Furthermore, the diameters of the air drying agent particles close to the two ends in the ventilation cavity are larger than the diameter of the air drying agent particles in the middle of the ventilation cavity, the diameters of the air drying agent particles at the two ends of the ventilation cavity are equal, the diameter of the particles is small, the stronger the moisture adsorption capacity of the drying agent is, and the better the air drying effect is.
The air drying device comprises an air drying device, a first air compressor, a second air compressor, a first pipeline and a second pipeline, wherein the air drying device comprises a first air compressor and a second air compressor; and the two ends of the third pipeline are respectively communicated with an air outlet end of the air drying device and an air inlet of the third air compressor, and the third pipeline is provided with a third switch valve.
Further, the diameter of the air inlet end of the pressure increasing pipe is larger than that of the air outlet end of the pressure increasing pipe; the booster pipe sequentially comprises a first booster section, a second booster section and a third booster section, and the joints of the first booster section and the second booster section and the joints of the second booster section and the third booster section are respectively arranged in a smooth chamfer transition mode.
Has the advantages that: the utility model discloses a multistage air compression safety device, through the first air compressor machine, second air compressor machine and the third air compressor machine of having connected gradually and pressurizing the setting step by step of air; the air compressor is protected while the air supercharging efficiency is guaranteed; an air drying device is arranged between the self-cleaning air filter and the first air compressor, granular air drying agents are arranged in the air drying device, air coming out of the self-cleaning air filter is dried through the granular air drying agents, and water vapor in the air is prevented from being condensed into liquid drops to corrode internal parts of the air compressor after being pressurized.
Drawings
FIG. 1 is a schematic view of the overall structure of the air compressor of the present invention;
FIG. 2 is a schematic structural view of the air drying device of the present invention;
fig. 3 is a schematic structural view of the fixing structure of the present invention;
fig. 4 is a schematic structural view of the pressure increasing pipe of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A multi-stage air compression safety device as shown in figures 1-4: the air drying device comprises an air compression device 2, wherein the air compression device 2 comprises a first air compressor 22, a second air compressor 23 and a third air compressor 24, the air inlet end of the air drying device 21 is communicated with the air outlet of a self-cleaning air filter 1, the air outlet end of the air drying device is communicated with the air inlet end of the first air compressor 22 through a first pipeline 221, and a first switch valve is arranged on the first pipeline 221; the first air compressor 22, the second air compressor 23 and the third air compressor 24 are sequentially communicated; an air outlet of the third air compressor 24 is communicated with an air inlet of the air pre-cooling system 3 through a pressure increasing pipe 25; the air dryer further comprises a second pipeline 231 and a third pipeline 241, two ends of the second pipeline 231 are respectively communicated with an air outlet of the air drying device 21 and an air inlet of the second air compressor 23, and the second pipeline 231 is provided with a second switch valve 232; two ends of the third pipeline 241 are respectively communicated with an air outlet end of the air drying device 21 and an air inlet of the third air compressor 24, and the third pipeline 241 is provided with a third switch valve 242. In this way, the air can be pressurized by only the third air compressor 24 of the whole air compression device 2 by closing the first and second switch valves 232 and opening the third switch valve 242, or the air can be pressurized by the second and third air compressors 23 and 24 of the whole air compression device 2 by closing the first and third switch valves 241 and opening the second switch valve 232; or the second switch valve 232 and the third switch valve 242 are closed, and the first switch valve is opened, so that the first air compressor 22, the second air compressor 23 and the third air compressor 24 of the whole air compression device 2 sequentially pressurize the air; through adjusting the cooperation, when can ensure at the pressure of air pressure boost, also can maintain and maintain first air compressor machine 22 and second air compressor machine 23. The air is pressurized step by step through a first air compressor 22, a second air compressor 23 and a third air compressor 24; the air compressor has the advantages that the air supercharging efficiency is guaranteed, meanwhile, the parts of the air compressor are prevented from being damaged too much in the air compressing process, and the air compressor is protected.
Air compression device 2 is still including air drying device 21, air drying device's both ends are provided with the detachable top cap, air drying device 21 is inside to be provided with the fixed knot who cooperatees with air drying device 21 inner wall and set up constructs 211, be provided with the chamber 2111 that ventilates of a plurality of intercommunication air drying device 21 inlet end and the end of giving vent to anger on the fixed knot constructs 211, ventilate the intussuseption of chamber 2111 and be provided with graininess air drying agent 212, air drying agent 212 adsorbs the air vapor that filters self-cleaning air cleaner 1 and can not filter, and air drying agent 212 can be one of them or multiple combination such as active carbon, silica gel, active alumina and molecular sieve and form. The fixed structure 211 and the air desiccant 212 in the vent chamber 2111 thereof can be removed from the top cover for replacement; the diameter of the desiccant 212 in the ventilation chamber 2111 is larger than that of the desiccant 212 in the middle thereof, and the desiccant 212 filters water vapor in the air by physical adsorption, so that the larger the contact area between the surface of the desiccant 212 and the air per unit area is, the higher the water vapor adsorption capacity is, and the water vapor in the air can be sufficiently adsorbed by the desiccant 212 in the middle. The air desiccant 212 particles at both ends of the vent chamber 2111 are of equal diameter; therefore, the fixing structure 211 can be installed without considering the problem of the airflow direction, and is convenient for installation of workers.
The diameter of the air inlet end of the booster pipe 25 is larger than that of the air outlet end thereof; the pressure increasing pipe 25 sequentially comprises a first pressure increasing section 251, a second pressure increasing section 252 and a third pressure increasing section 253, and the inner diameters of the first pressure increasing section 251, the second pressure increasing section 252 and the third pressure increasing section 253 are gradually reduced, so that the pressure of air is gradually increased in the flowing process, the flow rate is increased, and the air can more easily enter the pre-cooling system 3; and the joints of the first pressurizing section 251 and the second pressurizing section 252, and the joints of the second pressurizing section 252 and the third pressurizing section 253 are respectively arranged by smooth chamfer transition, so that the air does not generate turbulence and the flow speed of the air is reduced when moving in the pressurizing pipe 25.
The above description is only a preferred embodiment of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims (5)

1. The utility model provides a multistage formula air compression safety device which characterized in that: the self-cleaning air filter comprises an air compression device (2), wherein the air compression device (2) comprises a first air compressor (22), a second air compressor (23) and a third air compressor (24), an air inlet of the first air compressor (22) is communicated with an air outlet of the self-cleaning air filter (1), and the first air compressor (22), the second air compressor (23) and the third air compressor (24) are sequentially communicated; an air outlet of the third air compressor (24) is communicated with an air inlet of the air pre-cooling system (3) through a pressurization pipe (25); the air is pressurized step by a first air compressor (22), a second air compressor (23) and a third air compressor (24).
2. A multistage air compression security device as claimed in claim 1, wherein: the air compression device (2) further comprises an air drying device (21), the air inlet end of the air drying device (21) is communicated with the air outlet of the self-cleaning air filter (1), and the air outlet end of the air drying device is communicated with the air inlet end of the first air compressor (22) through a first pipeline (221); the air drying device is characterized in that a fixing structure (211) which is matched with the inner wall of the air drying device (21) is arranged in the air drying device (21), a plurality of ventilation cavities (2111) which are communicated with the air inlet end and the air outlet end of the air drying device (21) are formed in the fixing structure (211), and granular air drying agents (212) are filled in the ventilation cavities (2111).
3. A multistage air compression security device as claimed in claim 2, wherein: the diameters of the air drying agent (212) particles close to the two ends in the ventilation cavity (2111) are larger than the diameters of the air drying agent (212) particles at the middle part in the ventilation cavity, and the diameters of the air drying agent (212) particles at the two ends of the ventilation cavity (2111) are equal.
4. A multistage air compression security device as claimed in claim 1, wherein: the air drying device further comprises a second pipeline (231) and a third pipeline (241), two ends of the second pipeline (231) are respectively communicated with an air outlet of the air drying device (21) and an air inlet of the second air compressor (23), and the second pipeline (231) is provided with a second switch valve (232); two ends of the third pipeline (241) are respectively communicated with an air outlet end of the air drying device (21) and an air inlet of the third air compressor (24), and the third pipeline (241) is provided with a third switch valve (242).
5. A multistage air compression security device as claimed in claim 1, wherein: the diameter of the air inlet end of the pressure increasing pipe (25) is larger than that of the air outlet end thereof; the pressure increasing pipe (25) sequentially comprises a first pressure increasing section (251), a second pressure increasing section (252) and a third pressure increasing section (253), and the joints of the first pressure increasing section (251) and the second pressure increasing section (252) and the joints of the second pressure increasing section (252) and the third pressure increasing section (253) are respectively arranged in a transition mode through smooth chamfers.
CN201920530076.3U 2019-04-18 2019-04-18 Multistage formula air compression safety device Active CN210107868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920530076.3U CN210107868U (en) 2019-04-18 2019-04-18 Multistage formula air compression safety device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920530076.3U CN210107868U (en) 2019-04-18 2019-04-18 Multistage formula air compression safety device

Publications (1)

Publication Number Publication Date
CN210107868U true CN210107868U (en) 2020-02-21

Family

ID=69537894

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920530076.3U Active CN210107868U (en) 2019-04-18 2019-04-18 Multistage formula air compression safety device

Country Status (1)

Country Link
CN (1) CN210107868U (en)

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