CN111853544A - Integrated air supply system of flame-proof type instrument air - Google Patents

Integrated air supply system of flame-proof type instrument air Download PDF

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Publication number
CN111853544A
CN111853544A CN202010725628.3A CN202010725628A CN111853544A CN 111853544 A CN111853544 A CN 111853544A CN 202010725628 A CN202010725628 A CN 202010725628A CN 111853544 A CN111853544 A CN 111853544A
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CN
China
Prior art keywords
air
fixedly connected
box
connecting pipe
installation box
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.)
Withdrawn
Application number
CN202010725628.3A
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Chinese (zh)
Inventor
吴文涛
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.)
Jiangsu Hua'an Petrochemical Technology Co ltd
Original Assignee
Jiangsu Hua'an Petrochemical Technology 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 Jiangsu Hua'an Petrochemical Technology Co ltd filed Critical Jiangsu Hua'an Petrochemical Technology Co ltd
Priority to CN202010725628.3A priority Critical patent/CN111853544A/en
Publication of CN111853544A publication Critical patent/CN111853544A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00Pipe-line systems
    • F17D1/02Pipe-line systems for gases or vapours
    • F17D1/065Arrangements for producing propulsion of gases or vapours
    • F17D1/07Arrangements for producing propulsion of gases or vapours by compression
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/70Cooling of pipes or pipe systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/12Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • F17C13/123Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00Arrangements for supervising or controlling working operations
    • F17D3/01Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/005Protection or supervision of installations of gas pipelines, e.g. alarm
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00Applications
    • F17C2270/05Applications for industrial use

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses an explosion-proof instrument air integration air supply system which comprises an installation box, wherein a first air compressor is installed on one side of the left end of the installation box, a second air compressor is installed on the other side of the left end of the installation box, and one end of a first connecting pipe is fixedly connected to the side of the first air compressor. This integrated air supply system of flame-proof type instrument air, not only convenient and reliable, the heat dissipation of entire system also can be guaranteed simultaneously, and then isolated entire system's circuit and surrounding environment, electric spark and the high temperature that forms when making the produced heat of circuit when normal work and fault condition, all restrict within sealed casing, and then prevent to ignite the flammable and explosive gas around, the quick compression of air is handled also has been realized, and can report to the police when system outage or low pressure, and when one of them PLC able to programme damages, can insert in the system with another PLC able to programme, and then ensure the normal operating of system, and then gaseous treatment effeciency has been guaranteed.

Description

Integrated air supply system of flame-proof type instrument air
Technical Field
The invention relates to the technical field of gas processing equipment, in particular to an explosion-proof instrument air integrated air supply system.
Background
Natural gas is filtered through air filter of a compressor unit, sucked into a screw compression main machine, compressed and discharged to enter a first-level storage tank for storage and pressure regulation, after primary cooling and primary dewatering, impurities are removed through a first-level pipeline filter, then the compressed gas enters a freeze dryer for dewatering, after filtered through a second-level pipeline filter, the filtered natural gas enters an adsorption dryer for deep dewatering, then the filtered natural gas enters a third-level pipeline filter and an odor removal activated carbon filter for removing residual extremely-trace impurities such as water, oil, dust, peculiar smell and the like, the clean compressed air is obtained and then stored in a second-level stainless steel storage tank, at the moment, the quality standard of the compressed air is about dust content less than or equal to 0.01 micrometer, the oil content is less than or equal to 0.01 milligram, the dewatering rate.
However, the inside of the breathing integrated system box that has now on the market is put through each other with the external world, easily is ignited by the flammable explosive gas on every side, security when greatly reduced entire system uses to and adopt single PLC control among the entire system, when this PLC goes wrong, entire system will not be operated, greatly reduced gaseous treatment effeciency.
Disclosure of Invention
The invention aims to provide an explosion-proof instrument air integrated air supply system, which aims to solve the problems that the prior breathing integrated system box body is communicated with the outside and is easily ignited by surrounding flammable and explosive gases, so that the use safety of the whole system is greatly reduced, and the whole system is controlled by a single PLC (programmable logic controller), so that when the PLC fails, the whole system cannot operate, and the gas treatment efficiency is greatly reduced.
In order to achieve the purpose, the invention provides the following technical scheme: an explosion-proof instrument air integrated air supply system comprises an installation box, wherein a first air compressor is installed on one side of the left end of the installation box, a second air compressor is installed on the other side of the left end of the installation box, one end of a first connecting pipe is fixedly connected to the side of the first air compressor, one end of a second connecting pipe is fixedly connected to the side of the second air compressor, a first air purification device is fixedly connected to the other end of the first connecting pipe, one end of a second air purification device is fixedly connected to the other end of the second connecting pipe, a third connecting pipe is fixedly connected to the other ends of the first air purification device and the second air purification device, a first filter is fixedly connected to the right end of the third connecting pipe, a fourth connecting pipe is fixedly connected to the right end of the first filter, and a cold dryer is fixedly connected to the right end of the fourth connecting pipe, the cold dryer is characterized in that one end of a fifth connecting pipe is fixedly connected to the side of the cold dryer, one end of a second filter is fixedly connected to the other end of the fifth connecting pipe, the number of the second filters is two, a first gas storage tank is arranged on one side of the right end of the installation box, a second gas storage tank is arranged on the other side of the right end of the installation box, the second filter, the first gas storage tank and the second gas storage tank are communicated with each other through a first shunt pipe, the right ends of the first gas storage tank and the second gas storage tank are communicated with each other through a second shunt pipe, a third filter is fixedly connected to the third end of the second shunt pipe, one end of a ball valve is fixedly connected to the lower end of the third filter, a sixth connecting pipe is fixedly connected to the right end of the ball valve, the right end of the sixth connecting pipe is communicated with the outer side of the installation box, the utility model discloses a fan installation box, including install bin, the inside of install bin, the avris fixedly connected with power control box of second gas holder, the inside of install bin is located the left end fixedly connected with centralized control electrical apparatus case of power control box, the equal fixedly connected with fan in the boxboard outside of install bin, the one end of the upper end fixedly connected with heat pipe of fan, the other end of heat pipe extends to the outside of install bin, the below that the left boxboard of install bin is located the fan is provided with the air acquisition pump, the below that the boxboard of the positive one side of install bin is located the fan is provided with outage alarm, the below that the boxboard of the positive opposite side of install bin is located the fan is provided with the low.
Preferably, the boxboard of install bin adopts the design of can dismantling open structure, and the heat pipe on the install bin boxboard is located the inboard of install bin boxboard, the heat pipe is the helical structure design, and heat pipe evenly distributed.
Preferably, the first air purification equipment of the first air compressor, the second air compressor and the second air purification equipment are operated separately in a set.
Preferably, flanges are arranged at the joints of the first gas storage tank and the first shunt pipe and the joints of the second gas storage tank and the second shunt pipe, and the first shunt pipe and the second shunt pipe are both provided with a tee joint.
Preferably, the power supply control box adopts a double-circuit control box.
Preferably, the centralized control electrical box adopts a perspective window design, two Programmable Logic Controllers (PLC) in the centralized control electrical box are arranged, and the two programmable PLCs in the centralized control electrical box are independently and electrically connected with the main circuit.
Compared with the prior art, the invention has the beneficial effects that:
1. the flameproof instrument air integrated air supply system is convenient and reliable, the door plate of the installation box is designed to be a detachable open structure, the door plate can be opened at high temperature, heat in the installation box can flow out quickly, meanwhile, the whole system can be arranged in a closed space through the arrangement of the fan and the heat conduction pipe, the heat dissipation of the whole system can be ensured, a circuit of the whole system is isolated from the surrounding environment, the heat generated by the circuit in normal work and electric sparks and high temperature formed in a fault state are limited in a sealed shell, the surrounding inflammable and explosive gas is prevented from being ignited, and the air is compressed quickly through the arrangement of the air collection pump, and the alarm can give an alarm when the system is powered off or is powered down through the arrangement of the power failure alarm and the low-voltage alarm, reminding workers to process in time to ensure normal supply of air;
2. this integrated air supply system of flame-proof type instrument through set up two PLC able to programme in the inside at centralized control electrical apparatus case, two PLC able to programme insert entire system alone to by solitary switch control, when one of them PLC able to programme damages, can insert another PLC able to programme in the system, and then ensure the normal operating of system, and then guaranteed gaseous treatment effeciency.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic diagram of the right-view structure of the present invention;
FIG. 4 is a schematic front view of the present invention;
FIG. 5 is a schematic view of the backside structure of the present invention;
FIG. 6 is a first schematic circuit diagram according to the present invention;
FIG. 7 is a second circuit diagram according to the present invention.
In the figure: 1. installing a box; 2. a first air compressor; 3. a second air compressor; 4. a first connecting pipe; 5. a second connecting pipe; 6. a first air purification device; 7. a second air purification apparatus; 8. a third connecting pipe; 9. a first filter; 10. a fourth connecting pipe; 11. a cold dryer; 12. a fifth connecting pipe; 13. a second filter; 14. a first gas storage tank; 15. a second gas tank; 16. a first shunt pipe; 17. a second shunt pipe; 18. a third filter; 19. a ball valve; 20. a sixth connecting pipe; 21. an electric warm-air machine; 22. a power supply control box; 23. the electrical appliance box is controlled in a centralized manner; 24. a fan; 25. a heat conducting pipe; 26. an air collection pump; 27. a power-off alarm; 28. a low-voltage alarm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: an explosion-proof instrument air integrated air supply system comprises an installation box 1, wherein a first air compressor 2 is installed on one side of the left end of the installation box 1, a second air compressor 3 is installed on the other side of the left end of the installation box 1, one end of a first connecting pipe 4 is fixedly connected to the side of the first air compressor 2, one end of a second connecting pipe 5 is fixedly connected to the side of the second air compressor 3, a first air purification device 6 is fixedly connected to the other end of the first connecting pipe 4, one end of a second air purification device 7 is fixedly connected to the other end of the second connecting pipe 5, a third connecting pipe 8 is fixedly connected to the other ends of the first air purification device 6 and the second air purification device 7, a first filter 9 is fixedly connected to the right end of the third connecting pipe 8, a fourth connecting pipe 10 is fixedly connected to the right end of the first filter 9, and a cold dryer 11 is fixedly connected to the, one end of a fifth connecting pipe 12 is fixedly connected to the side of the cold dryer 11, one end of a second filter 13 is fixedly connected to the other end of the fifth connecting pipe 12, two second filters 13 are arranged, a first gas storage tank 14 is arranged on one side of the right end of the installation box 1, a second gas storage tank 15 is arranged on the other side of the right end of the installation box 1, the second filter 13, the first gas storage tank 14 and the second gas storage tank 15 are communicated with each other through a first shunt pipe 16, the right ends of the first gas storage tank 14 and the second gas storage tank 15 are communicated with each other through a second shunt pipe 17, a third filter 18 is fixedly connected to the third end of the second shunt pipe 17, one end of a ball valve 19 is fixedly connected to the lower end of the third filter 18, a sixth connecting pipe 20 is fixedly connected to the right end of the ball valve 19, the right end of the sixth connecting pipe 20 is communicated with the outer side of the installation box 1, an electric, the avris fixedly connected with power control box 22 that the inside of install bin 1 is located second gas holder 15, the left end fixedly connected with centralized control electrical apparatus case 23 that the inside of install bin 1 is located power control box 22, the equal fixedly connected with fan 24 in the boxboard outside of install bin 1, the one end of the upper end fixedly connected with heat pipe 25 of fan 24, the other end of heat pipe 25 extends to the outside of install bin 1, the below that the left boxboard of install bin 1 is located fan 24 is provided with air collecting pump 26, the below that the boxboard of the positive one side of install bin 1 is located fan 24 is provided with outage alarm 27, the below that the boxboard of the positive opposite side of install bin 1 is located fan 24 is provided with low pressure alarm 28.
Further, the boxboard of install bin 1 adopts the design of detachable open structure, and heat pipe 25 on the 1 boxboard of install bin is located the inboard of 1 boxboard of install bin, heat pipe 25 is the helical structure design, and heat pipe 25 evenly distributed, be convenient for open of install bin 1, and then be convenient for dispel the heat fast, prevent the entering of dust, ensure whole system and surrounding environment's completely cut off simultaneously, electric spark and the high temperature that forms when making produced heat of circuit and fault state when normal work, all restrict within sealed casing, and then prevent to ignite the flammable explosive gas around.
Furthermore, the first air purification equipment 6 of the first air compressor 2, the second air compressor 3 and the second air purification equipment 7 are separately operated in a set, so that one-start one-standby mode operation is realized, and uninterrupted air supply is ensured.
Further, the joints of the first gas storage tank 14 and the first shunt pipe 16, and the joints of the second gas storage tank 15 and the second shunt pipe 17 are provided with flanges, and the first shunt pipe 16 and the second shunt pipe 17 are provided with a tee joint, so that the first gas storage tank 14 and the second gas storage tank 15 are convenient to connect.
Furthermore, the power control box 22 adopts a dual-circuit control box, so that the whole system can continue to operate when one power supply is damaged, and the stability of system operation and the safety of gas consumption are ensured.
Furthermore, the centralized control electrical box 23 adopts a perspective window design, and the programmable PLCs in the centralized control electrical box 23 are provided with two programmable PLCs, and the two programmable PLCs in the centralized control electrical box 23 are separately electrically connected with the main circuit, so that the operation and the monitoring are convenient, and meanwhile, when one programmable PLC is damaged, the whole system can still normally operate.
The working principle is as follows: firstly, the power supply of the whole system is switched on, the operation of the whole system is controlled by the centralized control electric appliance box 23, the fan 24 pumps cold air into the heat conduction pipe 25, the heat in the installation box 1 is taken out of the installation box 1 through the flowing air, the heat dissipation of the installation box 1 is realized, when the temperature in the installation box 1 is overhigh, the door plate of the installation box 1 is opened, the heat dissipation of the system is accelerated, when the whole system is in normal operation, the air is pumped in by the air collecting pump 26, the whole process is positioned in the closed installation box 1, the installation box 1 isolates the circuit of the whole system from the surrounding environment, the heat generated by the circuit in normal operation and the electric spark and high temperature formed in a fault state are both limited in the sealed shell, further, the surrounding inflammable and explosive gases are prevented from being ignited, the centralized control electric appliance box 23 adopts a perspective window structure design, the operation and monitoring of a user are convenient, the first air compressor 2 and the first air purification equipment 6, the second air compressor 3 and the second air purification equipment 7 are respectively used in a set, an one-off one-standby mode is adopted for operation, when one set of the two sets of the equipment fails, the other set of the equipment is connected, the normal and stable operation of the whole system is further ensured, the uninterrupted air supply of the system is ensured, the two sets of the equipment can be switched to operate every 100 hours, the two sets of the equipment are further protected, when the system fails and has low voltage, the power failure alarm 27 and the low voltage alarm 28 give an alarm in time when the system fails and has low voltage, the timely treatment of a worker is ensured, when one power supply in the whole system fails or is damaged, the other power supply is automatically switched to through the power supply control box 22, and the power supply alarm lamp is started simultaneously to inform a maintainer to check, so that the safety and sustainability of the operation, when one programmable PLC in the centralized control electrical box 23 is damaged, the switch of the programmable PLC is disconnected, and then the switch of the other programmable PLC is opened, so that the whole system can continue to operate normally.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. The utility model provides an integrated air supply system of flame-proof type instrument air, includes install bin (1), its characterized in that: a first air compressor (2) is installed on one side of the left end of the installation box (1), a second air compressor (3) is installed on the other side of the left end of the installation box (1), one end of a first connecting pipe (4) is fixedly connected to the side of the first air compressor (2), one end of a second connecting pipe (5) is fixedly connected to the side of the second air compressor (3), a first air purification device (6) is fixedly connected to the other end of the first connecting pipe (4), one end of a second air purification device (7) is fixedly connected to the other end of the second connecting pipe (5), a third connecting pipe (8) is fixedly connected to the other ends of the first air purification device (6) and the second air purification device (7), a first filter (9) is fixedly connected to the right end of the third connecting pipe (8), and a fourth connecting pipe (10) is fixedly connected to the right end of the first filter (9), the right-hand member fixedly connected with of fourth connecting pipe (10) is cold dry machine (11), the avris fixedly connected with of cold dry machine (11) is the one end of fifth connecting pipe (12), the other end fixedly connected with of fifth connecting pipe (12) is the one end of second filter (13), and second filter (13) are provided with two, one side of install bin (1) right-hand member is provided with first gas holder (14), the opposite side of install bin (1) right-hand member is provided with second gas holder (15), second filter (13), first gas holder (14) and second gas holder (15) are put through each other through first shunt tubes (16), the right-hand member of first gas holder (14) and second gas holder (15) is put through each other through second shunt tubes (17), the third end fixedly connected with third filter (18) of second shunt tubes (17), the lower end of the third filter (18) is fixedly connected with one end of a ball valve (19), the right end of the ball valve (19) is fixedly connected with a sixth connecting pipe (20), the right end of the sixth connecting pipe (20) is communicated with the outer side of the installation box (1), one side of the installation box (1) is positioned between a first air compressor (2) and a first air storage tank (14) and is fixedly connected with an electric heating fan (21), the inside of the installation box (1) is positioned at the lateral side of a second air storage tank (15) and is fixedly connected with a power supply control box (22), the inside of the installation box (1) is positioned at the left end of the power supply control box (22) and is fixedly connected with a centralized control electrical box (23), the outer side of a box plate of the installation box (1) is fixedly connected with a fan (24), the upper end of the fan (24) is fixedly connected with one end of a heat conducting pipe (25), and the other end of the heat, the air collection pump (26) is arranged below the fan (24) on the left box board of the installation box (1), the power-off alarm (27) is arranged below the fan (24) on the box board on one side of the front side of the installation box (1), and the low-voltage alarm (28) is arranged below the fan (24) on the box board on the other side of the front side of the installation box (1).
2. The integrated air supply system of flameproof instrument air of claim 1, characterized in that: the box plate of the installation box (1) is designed in a detachable open structure, the heat conduction pipes (25) on the box plate of the installation box (1) are located on the inner side of the box plate of the installation box (1), the heat conduction pipes (25) are designed in a spiral structure, and the heat conduction pipes (25) are uniformly distributed.
3. The integrated air supply system of flameproof instrument air of claim 1, characterized in that: the first air compressor (2), the first air purification equipment (6), the second air compressor (3) and the second air purification equipment (7) are operated separately in a set.
4. The integrated air supply system of flameproof instrument air of claim 1, characterized in that: the connecting parts of the first gas storage tank (14) and the first shunt pipe (16) and the second gas storage tank (15) and the second shunt pipe (17) are provided with flanges, and the first shunt pipe (16) and the second shunt pipe (17) are provided with tee joints.
5. The integrated air supply system of flameproof instrument air of claim 1, characterized in that: the power supply control box (22) adopts a double-circuit control box.
6. The integrated air supply system of flameproof instrument air of claim 1, characterized in that: the centralized control electrical appliance box (23) adopts a perspective window design, two Programmable Logic Controllers (PLC) in the centralized control electrical appliance box (23) are arranged, and the two programmable PLC in the centralized control electrical appliance box (23) are independently and electrically connected with the main circuit.
CN202010725628.3A 2020-07-24 2020-07-24 Integrated air supply system of flame-proof type instrument air Withdrawn CN111853544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010725628.3A CN111853544A (en) 2020-07-24 2020-07-24 Integrated air supply system of flame-proof type instrument air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010725628.3A CN111853544A (en) 2020-07-24 2020-07-24 Integrated air supply system of flame-proof type instrument air

Publications (1)

Publication Number Publication Date
CN111853544A true CN111853544A (en) 2020-10-30

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Application Number Title Priority Date Filing Date
CN202010725628.3A Withdrawn CN111853544A (en) 2020-07-24 2020-07-24 Integrated air supply system of flame-proof type instrument air

Country Status (1)

Country Link
CN (1) CN111853544A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112377818A (en) * 2020-11-13 2021-02-19 江苏杰霸物联网科技有限公司 Gas leakage monitoring device based on intelligent gas and use method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112377818A (en) * 2020-11-13 2021-02-19 江苏杰霸物联网科技有限公司 Gas leakage monitoring device based on intelligent gas and use method thereof

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Application publication date: 20201030