CN113898806A - Flange for coping with pipeline leakage - Google Patents

Flange for coping with pipeline leakage Download PDF

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Publication number
CN113898806A
CN113898806A CN202111032469.XA CN202111032469A CN113898806A CN 113898806 A CN113898806 A CN 113898806A CN 202111032469 A CN202111032469 A CN 202111032469A CN 113898806 A CN113898806 A CN 113898806A
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China
Prior art keywords
flange
gas
barrel
leakage
pipeline
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Withdrawn
Application number
CN202111032469.XA
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Chinese (zh)
Inventor
由宝红
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Individual
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Individual
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Priority to CN202111032469.XA priority Critical patent/CN113898806A/en
Publication of CN113898806A publication Critical patent/CN113898806A/en
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    • 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
    • F16L23/00Flanged joints
    • F16L23/16Flanged joints characterised by the sealing means
    • F16L23/18Flanged joints characterised by the sealing means the sealing means being rings
    • F16L23/22Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/543Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • 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
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • F16L23/032Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
    • 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
    • F16L23/00Flanged joints
    • F16L23/16Flanged joints characterised by the sealing means
    • F16L23/167Flanged joints characterised by the sealing means in connection with the appearance or detection of leaks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The utility model provides a flange for dealing with pipeline leakage, which is applied to the field of flanges and comprises the following components: the flange barrel is provided with a containing groove, and the positioning device is arranged in the containing groove; the flange barrel is provided with a filtering structure, the filtering structure comprises a first filtering structure, a second filtering structure and a gas collecting structure, a filtering structure mounting seat is arranged in the flange barrel, the first filtering structure is mounted in the flange barrel through the filtering structure mounting seat, the second filtering structure is mounted in the first filtering structure in parallel, a gas outlet hole is formed below the flange barrel, and the gas outlet hole is connected with the gas collecting structure through a pipeline; an air pressure detection processor is arranged in the air collecting bag, and the leakage degree is measured through data of the air pressure detection processor; effectively carry out filtration treatment to the gas of revealing and reduce harm and give the staff extension rescue time, provide positional information, shorten staff rescue time.

Description

Flange for coping with pipeline leakage
Technical Field
The utility model relates to the field of flanges, in particular to a flange for dealing with pipeline leakage.
Background
The flange connection is that two pipelines, pipe fittings or equipment are respectively fixed on a flange plate, a flange pad is arranged between the two flange plates and fastened together by bolts, and the connection is completed. Some pipe fittings and equipment are provided with flanges, and the flange connection is also the object of flange connection. The flange connection is an important connection mode for pipeline construction. The flange connection is convenient to use and can bear larger air pressure. In industrial pipelines, flanged connections are widely used. In a household, the diameter of the pipeline is small, the pressure is low, and flange connection cannot be seen. If in a boiler room or production site, the flange-connected pipelines and equipment are arranged everywhere.
A flange, also known as a flange collar or flange. The flange is a part for connecting pipes and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets.
According to the current utility model CN202020273183.5 a novel pipeline flange connecting piece includes, including special ring flange and pipeline flange connecting piece, special ring flange cover is at the rear end of the bulge loop of bulge tube, pipeline flange connecting piece and special ring flange tighten up through bolt and nut, make bulge tube and special sealing member and metal seal circle stretch into after the flange tightens up in the recess of pipeline flange connecting piece, accomplish the extrusion with the step face in the recess, accomplish sealedly, the utility model has easy operation, makes things convenient for the dismouting, firm in connection's advantage, but can't deal with flange joint, after long-time, the condition such as gas leakage appears easily, can't filter and accomodate the processing.
Disclosure of Invention
The utility model aims to solve the problems of filtration and gas storage and provides a flange for dealing with pipeline leakage.
The utility model adopts the following technical means for solving the technical problems: a flange for managing leakage from a pipe, comprising: the flange comprises a first flange, a second flange, a flange barrel, a positioning device and a filtering structure, wherein the first flange is connected with the second flange through the flange barrel, the filtering structure is arranged in a cavity of the flange barrel, and the positioning device is arranged on the outer side of the flange barrel;
the filter structure comprises a first filter structure, a second filter structure and a gas collecting structure, a filter structure mounting seat is arranged in the flange barrel, the first filter structure is mounted in the flange barrel through the filter structure mounting seat, the second filter structure is mounted in the first filter structure in parallel, a gas outlet hole is formed below the flange barrel, and the gas outlet hole is connected with the gas collecting structure through a pipeline;
the gas collection bag is internally provided with a gas pressure detection processor, gas pressure data is acquired through the data of the gas pressure detection processor, the gas pressure detection processor adopts a Lidell formula to carry out data analysis, and the leakage degree is judged according to the data analysis.
Furthermore, the first flange joint is provided with two grooves on the outer side, sealing rings are arranged in the grooves, and the second flange joint is provided with an expandable sealing strip at the flange barrel.
Further, still include alarm structure, alarm structure includes semiconductor sensor, pilot lamp and signal output module, semiconductor sensor arranges the flange bucket in, signal output module connects in semiconductor sensor, the signal lamp is connected in signal output module.
Further, first filtration includes first filter layer and adsorbed layer, the filter layer is the glass fiber membrane, the adsorbed layer is cellular activated carbon, first filter layer is wrapping up the adsorbed layer, the adsorbed layer is being provided with the mounting groove on the limit layer by layer, mounting groove and mount pad looks gomphosis.
The second filtering structure further comprises an adsorbent storage box and an adsorbent, wherein sponge layers are arranged on the upper side and the lower side in the storage box, and the adsorbent is arranged in the upper sponge layer and the lower sponge layer.
Further, the gas collecting structure comprises a gas collecting bag and a gas pipe, the gas pipe is connected to the flange barrel, one end of the gas pipe is provided with a connector, and the gas collecting bag is connected with the gas pipe through the connector.
Furthermore, positioner includes response piece, orientation module and battery, the response piece sets up on the flange bucket inner wall, the response piece passes through the wire and connects orientation module, orientation module passes through the connection of electric lines battery.
The utility model provides a flange for coping with pipeline leakage, which has the following beneficial effects:
1. the filter structure effectively filters the leaked gas to reduce harm;
2. the gas storage structure is used for storing gas to prolong the rescue time of workers;
3. the positioning device accurately provides position information for the workers and shortens the rescue time of the workers.
Drawings
Fig. 1 is a schematic view showing an overall structure of a flange for coping with leakage of a pipe according to the present invention.
Fig. 2 is another azimuth structure diagram of the flange for dealing with the leakage of the pipeline.
Fig. 3 is a sectional view of a first flange structure of the flange for coping with leakage of a pipe according to the present invention.
Fig. 4 is a schematic view of another orientation structure of the flange for coping with leakage of the pipeline.
Fig. 5 is a top view of a flange of the present invention for managing a pipe leak.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
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, a flange for dealing with leakage of a pipeline according to an embodiment of the present invention is characterized by comprising: the flange structure comprises a first flange 1, a second flange 2, a flange barrel 3, a positioning device 5 and a filtering structure 4, wherein the first flange 1 is connected with the second flange 2 through the flange barrel 3, the filtering structure is arranged in a cavity of the flange barrel 3, and the positioning device 5 is arranged on the outer side of the flange barrel;
the filter structure 4 comprises a first filter structure 4, a second filter structure 4 and a gas collecting structure, a mounting seat of the filter structure 4 is arranged in the flange barrel 3, the first filter structure 4 is mounted in the flange barrel 3 through the mounting seat of the filter structure 4, the second filter structure 4 is mounted in the first filter structure 4 in parallel, a gas outlet hole is formed below the flange barrel 3, and the gas outlet hole is connected with the gas collecting structure through a pipeline;
the gas collection bag 401 is internally provided with a gas pressure detection processor, gas pressure data is acquired through data of the gas pressure detection processor, the gas pressure detection processor performs data analysis by using a Lidell formula, and the leakage degree is judged according to the data analysis.
In this embodiment: the flange barrel 3 is cylindrical, two sides of the flange barrel are connected to the first flange 1 and the second flange 2, a matched groove is formed in the connection position, a mounting seat is arranged in the groove, and the outside of the connection position is wrapped by metal;
an air pressure detection processor is arranged in the gas collection bag 401, and a Lidel formula is adopted for measuring the leakage degree through data of the air pressure detection processor;
the formula is as follows:
Figure BDA0003245896930000041
where f is the leakage level, i-x is the remaining space, Ti-xIs the volume of residual gas, Cn+1For the volume of the inlet gas, lnT is the total volume and n is the gas density.
In a specific embodiment: when gas leaks at the junction of the first flange 1 and the second flange 2, the leaked gas filters harmful gas through a filtering device in the flange barrel 3, and then gas is collected through the gas collecting bag 401, and calculation and analysis are performed through a formula according to the change of gas pressure in the gas collecting bag 401 until corresponding gas leakage degree data are obtained.
In one embodiment: the sealing device is characterized in that two grooves in the outer side are formed in the joint of the first flange 1, a sealing ring is arranged in each groove, and an expandable sealing strip is arranged at the joint of the second flange 2 and the flange barrel 3.
In this embodiment: two grooves on the outer side are formed in the joint of the first flange 1, sealing rings are arranged in the grooves and made of rubber, the sealing rings are matched with the grooves in the joint of the second flange 2, and the sealing rings are tightly attached to the grooves in the joint of the second flange;
the joint of the second flange 2 and the flange barrel 3 is of an L-shaped structure, a groove for installing the expandable sealing strip is formed in the joint, and an installation seat is arranged in the groove and used for installing the expandable sealing strip;
in a specific embodiment: when the first flange 1 is connected with the second flange 2, the sealing structure is tightly connected, and a gap between the first flange 1 and the second flange 2 is filled;
the second flange 2 and the 3 junctions of flange bucket are L shape structure, make second flange and flange bucket mutually support, and the inflation sealing strip inflation back, second flange 2 is more inseparable with flange bucket 3 is connected.
In one embodiment: still include alarm structure, alarm structure includes semiconductor sensor, pilot lamp and signal output module, the semiconductor sensor is arranged in flange bucket 3, signal output module connects in semiconductor sensor, the signal lamp is connected in signal output module.
In this embodiment: alarm structure includes semiconductor sensor, pilot lamp and signal output module, semiconductor sensor arranges flange bucket 3 in, signal output module connects in semiconductor sensor, the signal lamp is connected in signal output module, and the mounting hole is gone up to flange bucket 3, has model lamp mount pad on the mounting hole, and the signal lamp passes through the mount pad and connects in flange bucket 3.
In a specific embodiment: the semiconductor sensor is arranged in the flange barrel 3, when gas leaks, the semiconductor sensor senses the gas, the signal output module receives signals transmitted by the semiconductor sensor, and the signal output module controls the signal lamp to be turned on and transmits the leaking data to the central controller.
In one embodiment: first filtration 4 includes first filter layer and adsorbed layer, the filter layer is the glass fiber membrane, the adsorbed layer is cellular active carbon, the adsorbed layer is being wrapped up in to first filter layer, the adsorbed layer is being provided with the mounting groove on the limit layer by layer, mounting groove and mount pad looks gomphosis.
In this embodiment: first filtration 4 includes first filter layer and adsorbed layer, the filter layer is the glass fiber membrane, is used for the adsorbed layer is honeycomb activated carbon, first filter layer is wrapping up the adsorbed layer, the adsorbed layer is being provided with the mounting groove on the limit layer by layer, mounting groove and mount pad looks gomphosis.
In a specific embodiment: the leaked gas passes through the first filter layer, reaches the adsorption layer after being filtered, is further filtered, and then flows into the second filter structure 4.
In one embodiment: the second filtering structure 4 comprises an adsorbent storage box and an adsorbent, wherein sponge layers are arranged on the upper side and the lower side in the storage box, and the adsorbent is arranged in the upper sponge layer and the lower sponge layer.
In this embodiment: the second filtering structure 4 comprises an adsorbent storage box and an adsorbent, sponge layers are arranged on the upper side and the lower side in the storage box, the adsorbent is arranged in the upper sponge layer and the lower sponge layer, and the adsorbent adopts chemical substances corresponding to purified gas.
In a specific embodiment: after being filtered by the first filtering structure 4, the toxic gas reaches the second filtering structure 4, and when reaching the corresponding chemical substances through the sponge layer, the harmful gas is treated, and the harmful substances and the corresponding chemical substances are subjected to chemical reaction.
In one embodiment: the gas collecting structure comprises a gas collecting bag 401 and a gas pipe 402, the gas pipe 402 is connected to the flange barrel 3, one end of the gas pipe 402 is provided with a connector, and the gas collecting bag 401 is connected with the gas pipe 402 through the connector.
In this embodiment: the gas collecting structure includes gas collecting bag 401 and gas pipe 402, gas pipe 402 is connected in flange bucket 3, has to inlay on the flange bucket 3 and has gas pipe 402 connecting seat, gas pipe 402 one end is equipped with the connector, and the other end is connected in the connecting seat, gas collecting bag 401 passes through the connector and is connected with gas pipe 402, sets up the screwed go-between on the gas collecting bag 401, has the screw thread that corresponds on the connector, and gas pipe 402 is for being flexible rubber hose.
In a specific embodiment: when the harmful gas leaks to a certain amount, the harmful gas flows into the gas conveying pipe 402 through the flange barrel 3, the gas conveying pipe 402 reaches the gas collecting bag 401, and the gas collecting bag 401 expands after receiving the gas.
In one embodiment: the positioning device 5 comprises an induction block, a positioning module and a storage battery, wherein the induction block is arranged on the inner wall of the flange barrel 3, the induction block is connected with the positioning module through a wire, and the positioning module is connected with the storage battery through an electric wire.
In this embodiment: positioner 5 is including responding to piece, orientation module and battery, the response piece sets up on 3 inner walls of flange bucket, the response piece passes through the wire and connects orientation module, orientation module passes through the connection of electric lines battery for make things convenient for the searching of staff's position.
In a specific embodiment; the response piece receives gas leakage information, with information transmission to location module of touching, by location module with positional information transmission to center control system to the staff seeks.
In summary, the following steps: when gas leaks at first flange 1 and second flange 2 junction, it will be filtered harmful gas by the filter equipment in the flange bucket 3 to reveal gas, collect gas by gas collection bag 401 again, through the change of gas pressure in gas collection bag 401, carry out computational analysis through the formula, wait for corresponding gas to reveal degree data, alarm device also carries out work with positioner 5 simultaneously, will reveal the position and send to central control system together during the warning in, effectively lengthen staff's rescue time, and provide accurate position.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A flange for managing leakage from a pipe, comprising: first flange, second flange, flange bucket, positioner and filtration, first flange is connected with the second flange through the flange bucket, set up in the filtration in the flange bucket cavity, positioner sets up in the flange bucket outside:
the filter structure comprises a first filter structure, a second filter structure and a gas collecting structure, a filter structure mounting seat is arranged in the flange barrel, the first filter structure is mounted in the flange barrel through the filter structure mounting seat, the second filter structure is mounted in the first filter structure in parallel, a gas outlet hole is formed below the flange barrel, and the gas outlet hole is connected with the gas collecting structure through a pipeline;
the gas collection bag is internally provided with a gas pressure detection processor, gas pressure data is acquired through the data of the gas pressure detection processor, the gas pressure detection processor adopts a Lidell formula to carry out data analysis, and the leakage degree is judged according to the data analysis.
2. The flange for dealing with the leakage of the pipeline as claimed in claim 1, further comprising two outer grooves at the joint of the first flange, wherein a sealing ring is arranged in the groove, and an expandable sealing strip is arranged at the joint of the second flange and the flange barrel.
3. The flange for coping with the leakage of the pipeline according to claim 1, further comprising an alarm structure, wherein the alarm structure comprises a semiconductor sensor, an indicator light and a signal output module, the semiconductor sensor is arranged in the flange barrel, the signal output module is connected to the semiconductor sensor, and the signal light is connected to the signal output module.
4. The flange for dealing with the pipeline leakage according to claim 1, wherein the first filtering structure comprises a first filtering layer and an adsorption layer, the filtering layer is a glass fiber membrane, the adsorption layer is honeycomb activated carbon, the first filtering layer wraps the adsorption layer, an installation groove is formed in the edge of the adsorption layer, and the installation groove is embedded with the installation seat.
5. The flange for coping with the leakage of the pipeline according to claim 1, wherein said second filtering structure comprises an adsorbent storage box and an adsorbent, wherein sponge layers are arranged on the upper and lower sides in said storage box, and said adsorbent is placed in said upper and lower sponge layers.
6. The flange that deals with the pipeline leakage of claim 1, wherein the gas collection structure comprises a gas collection bag and a gas pipe, the gas pipe is connected to the flange barrel, a connector is arranged at one end of the gas pipe, and the gas collection bag is connected with the gas pipe through the connector.
7. The flange for dealing with the pipeline leakage according to claim 1, wherein the positioning device comprises an induction block, a positioning module and a storage battery, the induction block is arranged on the inner wall of the flange barrel, the induction block is connected with the positioning module through a lead, and the positioning module is connected with the storage battery through a wire.
CN202111032469.XA 2021-09-03 2021-09-03 Flange for coping with pipeline leakage Withdrawn CN113898806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111032469.XA CN113898806A (en) 2021-09-03 2021-09-03 Flange for coping with pipeline leakage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111032469.XA CN113898806A (en) 2021-09-03 2021-09-03 Flange for coping with pipeline leakage

Publications (1)

Publication Number Publication Date
CN113898806A true CN113898806A (en) 2022-01-07

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CN202111032469.XA Withdrawn CN113898806A (en) 2021-09-03 2021-09-03 Flange for coping with pipeline leakage

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114576444A (en) * 2022-01-19 2022-06-03 唐莹莹 Coping pipeline leakage flange based on stability improvement
CN117398810A (en) * 2023-11-13 2024-01-16 重庆瑞信气体有限公司 High-purity gas production device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114576444A (en) * 2022-01-19 2022-06-03 唐莹莹 Coping pipeline leakage flange based on stability improvement
CN117398810A (en) * 2023-11-13 2024-01-16 重庆瑞信气体有限公司 High-purity gas production device

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Application publication date: 20220107