CN108980426B - Plug-in type gas-liquid separation relief valve - Google Patents
Plug-in type gas-liquid separation relief valve Download PDFInfo
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- CN108980426B CN108980426B CN201811022209.2A CN201811022209A CN108980426B CN 108980426 B CN108980426 B CN 108980426B CN 201811022209 A CN201811022209 A CN 201811022209A CN 108980426 B CN108980426 B CN 108980426B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention belongs to the field of gas-liquid separation, and particularly relates to a plug-in type gas-liquid separation safety valve. The safety valve comprises a safety valve fixing seat and a safety valve inserting block, a valve core is arranged in the safety valve inserting block, a small-pipe-diameter ventilation pipeline is arranged on the shell wall of the valve core, a sealing part is arranged at one end, close to the air outlet, of the valve core, a sealing seat matched with the sealing part to realize sealing is arranged in the safety valve inserting block, and the air outlet of the small-pipe-diameter ventilation pipeline is arranged at the outer side of the lower part of the sealing part of the valve core; the valve core can move along the axial direction through the limiting device connected with the valve core. According to the safety valve provided by the invention, when the separation membrane breaks, the pressure difference at the two sides of the valve core increases suddenly, the valve core is pushed to move to realize sealing, and the safety valve is closed, so that the damage caused by the fact that water vapor components caused by the breaking of the separation membrane enter into vacuum equipment is avoided.
Description
Technical Field
The invention belongs to the field of gas-liquid separation, and particularly relates to a plug-in type gas-liquid separation safety valve which is suitable for on-line separation and enrichment of gas in liquid.
Background
In the fields of water quality detection, marine investigation, resource exploration, mariculture industry and the like, the content of soluble gas in water body is evaluated as an important parameter for environmental pollution, ocean circulation, marine resources, marine organisms and the like. The measurement of soluble gases in liquids mostly requires gas-liquid separation, which is generally accomplished by a special separation membrane, which has a pressure difference of about one atmosphere on both sides, and the pressure difference on both sides of the membrane is a power source for the gas-liquid separation process.
At present, a commonly used double-layer membrane or single-layer membrane is used as a water-gas separation device, the physical properties of the membrane and the supporting and sealing structures of the membrane have certain limitations, membrane rupture is an unavoidable and unpredictable problem, and water vapor components caused by the rupture of the separation membrane enter vacuum equipment to cause damage to the vacuum equipment.
Therefore, there is a need for a separation device that can achieve the purpose of gas-liquid separation and can avoid the damage of the water vapor component caused by the rupture of the separation membrane entering the vacuum equipment.
Disclosure of Invention
Aiming at the technical problems, the invention provides the plug-in type gas-liquid separation safety valve, which not only can achieve the aim of gas-liquid separation, but also can avoid the damage caused by the fact that water vapor components caused by the rupture of a separation membrane enter vacuum equipment.
The invention is realized by the following technical scheme:
the plug-in type gas-liquid separation safety valve comprises a safety valve fixing seat and a safety valve plug-in block, wherein the safety valve fixing seat and the safety valve plug-in block are of cavity structures, one end of the safety valve fixing seat is provided with a gas-liquid separation membrane, and the other end of the safety valve fixing seat is plugged in the safety valve plug-in block; one end of the safety valve plug-in block is accommodated in the cavity of the safety valve fixing seat, and the other end of the safety valve plug-in block is an air outlet;
a valve core is arranged in the safety valve plug-in block, a small-pipe-diameter ventilation pipeline is arranged on the shell wall of the valve core, a sealing part is arranged at one end of the valve core, which is close to the air outlet, a sealing seat which is matched with the sealing part to realize sealing is arranged in the safety valve plug-in block, and an air outlet of the small-pipe-diameter ventilation pipeline is arranged at the outer side of the lower part of the sealing part of the valve core; the valve core can move along the axial direction through the limiting device connected with the valve core.
Further, a sealing part arranged on the valve core is conical; the sealing seat is arranged on the inner wall of the cavity of the safety valve plug-in block and comprises a conical surface which is contacted with the sealing part during sealing; and a first sealing ring is arranged on the outer side of the sealing part and is used for sealing between the sealing part and the sealing seat.
Further, a supporting seat is arranged in the cavity valve fixing seat and is in contact with the bottom surface of one end of the valve core, which is not provided with the sealing part, and the supporting seat is used for supporting the valve core.
Further, the limiting device comprises a restoring elastic part and a supporting elastic part which are respectively connected with two ends of the valve core;
the recovery elastic component is arranged in the cavity of the safety valve plug-in block and between the sealing part of the valve core 4 and the air outlet;
the valve core chamber is formed in the valve core, the sealing part is not arranged at one end of the valve core, the valve core chamber and the inner chamber at one end of the safety valve fixing seat, which is provided with the gas-liquid separation membrane, form a supporting elastic component chamber for accommodating the supporting elastic component, and the gas inlet of the small-pipe-diameter ventilation pipeline is arranged on the valve core wall, which is close to one side of the supporting elastic component chamber, of the valve core.
Further, the outside sealing connection who sets up gas-liquid separation membrane one end in the relief valve fixing base compresses tightly the lid, the gas-liquid separation membrane set up in compress tightly the lid with between the relief valve fixing base, the central point who compresses tightly the lid puts and be the central through-hole, one side of gas-liquid separation membrane covers the central through-hole, the separation membrane backup pad of porous structure is hugged closely to the opposite side.
Further, the separation membrane support plate is disposed in the support elastic member chamber while being used for fixing the support elastic member.
Further, the compression cover and the safety valve fixing seat are sealed through a second sealing ring;
the safety valve fixing seat is connected with the safety valve inserting block through threads, and sealing is realized through a third sealing ring;
the safety valve plug-in mounting block inner wall with the case outer wall is sealed through the fourth sealing washer, the fourth sealing washer set up in the lower part outside of case sealing part, just the gas outlet of small-bore air pipe set up in between the first sealing washer with the fourth sealing washer.
The utility model provides a gas-liquid separation device installs cartridge formula gas-liquid separation relief valve, includes gas-liquid separation valve piece seat, cartridge formula gas-liquid separation relief valve install in inside the gas-liquid separation valve piece seat, set up water inlet and delivery port on the gas-liquid separation valve piece seat, liquid sample is followed the water inlet is injected, with the gas-liquid separation membrane contact in the cartridge formula gas-liquid separation relief valve takes place the gas-liquid separation process, and liquid is discharged by the delivery port, and the gas that the gas-liquid separation membrane permeated gets into inside the cartridge formula gas-liquid separation relief valve.
Further, at the air outlet of the plug-in type gas-liquid separation safety valve, the air outlet is connected with a vacuum pipe through a vacuum connector, and the vacuum pipe is connected with vacuum equipment.
Further, the plug-in type gas-liquid separation safety valve is connected with the gas-liquid separation valve block seat through threads arranged on the outer side of the safety valve fixing seat, and sealing is achieved between the safety valve fixing seat and the gas-liquid separation valve block seat through a fifth sealing ring.
Compared with the prior art, the invention has the beneficial effects that:
(1) The plug-in type gas-liquid separation safety valve provided by the invention has a safety protection function: the valve core has a micro channel and a spring reset function, can close the air channel at the moment of breaking the separation membrane, prevents water vapor components from entering the vacuum equipment to cause damage, and has a safety protection effect on expensive vacuum equipment.
(2) In the plug-in type gas-liquid separation safety valve provided by the invention, the separation membrane is fixed in a screw compression cover compression mode and is detachable, so that the separation membrane is convenient to replace.
(3) The plug-in type gas-liquid separation safety valve provided by the invention has the advantages of compact structure, convenience in installation, plug-in type valve structure, convenience in installation and disassembly and convenience in later maintenance of equipment, and can be installed on a valve block corresponding to a gas-liquid separation device through standard threads.
Drawings
FIG. 1 is a cross-sectional view of a cartridge-type gas-liquid separation safety valve according to an embodiment of the present invention;
FIG. 2 is an oblique perspective view of a plug-in type gas-liquid separation safety valve according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a gas-liquid separation device incorporating a cartridge-type gas-liquid separation safety valve in an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a gas-liquid separation device with a plug-in gas-liquid separation safety valve according to an embodiment of the present invention;
reference numerals:
1. restoring the elastic member; 2. a safety valve plug-in block; 3. a safety valve fixing seat; 4. a valve core; 5. supporting the elastic member; 6. a pressing cover; 7. gas-liquid separation; 8. a second seal ring; 9. a separation membrane support plate; 10. a fifth seal ring; 11. a third seal ring; 12. a fourth seal ring; 13. a first seal ring; 14. a vacuum joint; 15. a vacuum tube; 16. a fixing nut; 17. a water outlet; 18. a water inlet; 19. a gas-liquid separation valve block seat; 20. and (5) fixing bolts.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
On the contrary, the invention is intended to cover any alternatives, modifications, equivalents, and variations as may be included within the spirit and scope of the invention as defined by the appended claims. Further, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. The present invention will be fully understood by those skilled in the art without the details described herein.
Aiming at the problem that rupture of a separation membrane is unavoidable and unpredictable in the prior art, the water vapor component caused by the rupture of the separation membrane enters into vacuum equipment to cause damage to the vacuum equipment. The embodiment provides a cartridge formula gas-liquid separation relief valve, can realize the gas-liquid separation purpose, can avoid the vapor component that the separation membrane breaks to cause to get into vacuum equipment and cause the separator of harm moreover.
As shown in fig. 1-2, a plug-in gas-liquid separation safety valve provided in this embodiment includes:
the plug-in type gas-liquid separation safety valve comprises a safety valve fixing seat 3 and a safety valve plug-in block 2, wherein the safety valve fixing seat 3 and the safety valve plug-in block 2 are of cavity structures, one end of the safety valve fixing seat 3 is provided with a gas-liquid separation membrane 7, and the other end is plugged with the safety valve plug-in block 2; one end of the safety valve plug-in block 2 is accommodated in the cavity of the safety valve fixing seat 3, and the other end is an air outlet;
a valve core 4 is arranged in the safety valve plug-in block 2, a small-diameter air duct is arranged on the shell wall of the valve core 4, the diameter of the small-diameter air duct is 0.5mm-2mm, a sealing part is arranged at one end, close to an air outlet, of the valve core 4, a sealing seat matched with the sealing part to realize sealing is arranged in the safety valve plug-in block 2, and an air outlet of the small-diameter air duct is arranged at the outer side of the lower part of the sealing part of the valve core; the valve core 4 can move along the axial direction through a limiting device connected with the valve core. Preferably, the valve core 4 performs sliding movement along the axial direction.
In the embodiment, the valve core is made of an aluminum alloy material with lower density, the inside of the valve core is hollow, and the motion inertia is small. And a tiny ventilation pipeline is drilled in the wall part structure of the valve core, under the condition of larger gas flow, the pressure loss of flowing gas is larger, the pressure difference of two sides of the valve core is larger, and the valve core is easy to slide due to smaller inertia of the valve core, so that the valve core sealing part and the sealing seat are sealed, and the safety valve is closed.
In this embodiment, the sealing part provided on the valve core 4 is tapered; the sealing seat is arranged on the inner wall of the cavity of the safety valve plug-in block 2 and comprises a conical surface which is contacted with the sealing part during sealing; a first sealing ring 13 is arranged on the outer side of the sealing part, and the first sealing ring 13 is used for sealing between the sealing part and the sealing seat.
The cavity valve fixing seat 3 is internally provided with a supporting seat, the supporting seat is contacted with the bottom surface of one end of the valve core 4, which is not provided with a sealing part, and the supporting seat is used for supporting the valve core 4.
The limiting device comprises a restoring elastic part 1 and a supporting elastic part 5 which are respectively connected with two ends of the valve core 4; preferably, in this embodiment, the restoring elastic member and the supporting elastic member are springs, that is, two ends of the valve core 4 are connected to the restoring spring and the supporting spring, respectively.
The recovery elastic component is arranged in the cavity of the safety valve plug-in block 2 and between the sealing part of the valve core 4 and the air outlet; a chamber for accommodating the restoring elastic member, i.e., a restoring elastic member chamber, is provided between the sealing portion and the gas outlet, and allows the passage of gas to the gas outlet while accommodating the restoring elastic member.
The valve core chamber is formed in the valve core 4, the sealing part is not arranged at one end of the valve core chamber, the valve core chamber and the inner chamber at one end of the safety valve fixing seat 3, which is provided with the gas-liquid separation membrane, form a supporting elastic component chamber for accommodating the supporting elastic component, and the gas inlet of the small-pipe-diameter ventilation pipeline is arranged on the valve core wall of the valve core 4, which is close to one side of the supporting elastic component chamber. The support elastic member chamber accommodates a member for supporting the elastic member while the gas separated from the gas-liquid separation membrane is introduced into the chamber.
When the gas-liquid separation membrane works normally, the valve core is kept at the balance position under the combined action of the restoring spring and the supporting spring, at the moment, a certain gap is reserved between the sealing part and the sealing seat, sealing is not performed, at the moment, gas permeated from the separation membrane can penetrate through the valve core from a small-pipe-diameter ventilation pipeline in the valve core, then penetrates through the gap between the sealing part of the valve core and the sealing seat, and enters the vacuum equipment from the air outlet at the upper part of the safety valve plug-in block 2, so that the purpose of gas-liquid separation is realized.
When the gas-liquid separation membrane is broken, at the moment of breaking the separation membrane, a cavity body at one end of the gas-liquid separation membrane is arranged on the safety valve fixing seat 3, a large amount of liquid and steam thereof enter the cavity body at one end of the gas-liquid separation membrane instantly, the pressure in the cavity of the supporting elastic component is increased suddenly, and meanwhile, the liquid in the cavity of the supporting elastic component, namely the steam, can enter the cavity at the other side of the valve core after passing through the valve core only through a micro channel (namely a small-pipe-diameter ventilation pipeline) arranged on the valve core; so at the moment of rupture of the separation membrane, the chamber at the other side of the valve core (i.e. the chamber provided with the restoring spring) still keeps the original vacuum state, and the pressure is basically unchanged. Therefore, when the separating membrane breaks, the pressure of the side cavity of the valve core, which is close to the cavity of the supporting elastic component, is increased suddenly, the pressure of the side cavity of the valve core, which is close to the cavity of the recovering elastic component, is unchanged, the pressure difference of the cavity of the two sides of the valve core is increased suddenly, a thrust pushing the valve core to move is generated, the valve core is pushed to move towards one side of the air outlet, the sealing part at one end of the valve core is contacted with the sealing seat which is arranged in the safety valve plug-in block and is matched with the sealing part to realize sealing, after the sealing part contacts with the sealing seat, the first sealing ring is pressed, the sealing effect is achieved, the channels of the cavities of the two sides of the valve core are closed, and therefore, the damage caused by the fact that the water vapor component caused by the breaking of the separating membrane enters into the vacuum equipment is prevented.
The valve core is subjected to the combined action of the restoring spring and the supporting spring, so that the valve core is made of materials with low density and small inertia, and the closing effect can be achieved at the moment of rupture of the separation membrane, so that the safety valve provided by the invention has high instant response capability.
In this embodiment, the outer side of one end of the gas-liquid separation membrane, which is disposed on the safety valve fixing seat 3, is hermetically connected with the pressing cover 6, the gas-liquid separation membrane is disposed between the pressing cover 6 and the safety valve fixing seat 3, the central position of the pressing cover 6 is a central through hole, one side of the gas-liquid separation membrane covers the central through hole, and the other side of the gas-liquid separation membrane is tightly attached to the separation membrane supporting plate 9 with a porous structure. Preferably, the compression cover adopts a screw cover and can be detachably connected with the safety valve fixing seat 3, so that the gas-liquid separation membrane is arranged between the compression cover 6 and the safety valve fixing seat 3, and the replacement of the separation membrane can be facilitated.
Preferably, the separation membrane support plate 9 is disposed in the support elastic member chamber while being used to fix the support elastic member in the present embodiment, and a steel plate having a porous structure capable of ventilation may be used as the separation membrane support plate 9 in the present embodiment.
Preferably, in the present embodiment, the compression cover 6 and the safety valve fixing seat 3 are sealed by a second sealing ring 8; the safety valve fixing seat 3 is connected with the safety valve inserting block 2 through threads, and sealing is realized through a third sealing ring 11; the inner wall of the safety valve plug-in block 2 and the outer wall of the valve core 4 are sealed through a fourth sealing ring 12, the fourth sealing ring is arranged on the outer side of the lower part of the valve core sealing part, and a gas outlet of the small-pipe-diameter ventilation pipeline is arranged between the first sealing ring 13 and the fourth sealing ring 12.
As shown in fig. 3-4, another embodiment of the present invention provides a gas-liquid separation device equipped with the cartridge-type gas-liquid separation safety valve in the above embodiment;
the gas-liquid separation device comprises: the gas-liquid separation valve block seat 19, the cartridge type gas-liquid separation safety valve is installed in the gas-liquid separation valve block seat 19 is inside, set up water inlet 18 and delivery port 17 on the gas-liquid separation valve block seat 19, liquid sample is followed the water inlet 18 is poured into, with the gas-liquid separation membrane contact in the cartridge type gas-liquid separation safety valve takes place the gas-liquid separation process, and liquid is discharged by delivery port 17, and the gas that the gas-liquid separation membrane permeated gets into inside the cartridge type gas-liquid separation safety valve.
Preferably, at the air outlet of the plug-in type gas-liquid separation safety valve, the air outlet is connected with a vacuum pipe 15 through a vacuum connector 14, and the vacuum pipe is connected with a vacuum device.
Preferably, the plug-in type gas-liquid separation safety valve is connected with the gas-liquid separation valve block seat 19 through threads arranged on the outer side of the safety valve fixing seat 3, and sealing is realized between the safety valve fixing seat 3 and the gas-liquid separation valve block seat 19 through a fifth sealing ring 10.
Preferably, the fifth sealing ring 10 may be disposed on an outer sidewall of the safety valve fixing seat 3, or may be disposed on an inner wall of the gas-liquid separation valve block seat 19, and the fixing nut 16 and the fixing bolt 20 are disposed on the gas-liquid separation valve block seat 19, so as to realize connection and fixation between the whole gas-liquid separation device and other fixing members, and ensure stability of the whole device.
The working principle of the gas-liquid separation device is as follows: the liquid sample enters the gas-liquid separation valve block seat 19 from the water inlet 18 under the pushing of external power, contacts with the gas-liquid separation membrane at the end part of the safety valve to form a water film, and simultaneously generates a gas-liquid separation process, the liquid is discharged from the water outlet 17, and gas molecules permeated by the separation membrane enter the safety valve to realize gas-liquid separation.
Claims (9)
1. The plug-in type gas-liquid separation safety valve is characterized by comprising a safety valve fixing seat (3) and a safety valve plug-in block (2), wherein the safety valve fixing seat (3) and the safety valve plug-in block (2) are of cavity structures, one end of the safety valve fixing seat (3) is provided with a gas-liquid separation membrane (7), and the other end of the safety valve fixing seat is plugged with the safety valve plug-in block (2); one end of the safety valve plug-in block (2) is accommodated in the cavity of the safety valve fixing seat (3), and the other end is an air outlet;
a valve core (4) is arranged in the safety valve plug-in block (2), a small-pipe-diameter ventilation pipeline is arranged on the shell wall of the valve core (4), a sealing part is arranged at one end, close to the air outlet, of the valve core (4), a sealing seat matched with the sealing part to realize sealing is arranged in the safety valve plug-in block (2), and the air outlet of the small-pipe-diameter ventilation pipeline is arranged at the outer side of the lower part of the valve core sealing part; the valve core (4) can move along the axial direction through a limiting device connected with the valve core; the valve core (4) is made of an aluminum alloy material;
the limiting device comprises a restoring elastic part and a supporting elastic part which are respectively connected with two ends of the valve core (4);
the recovery elastic component is arranged in the cavity of the safety valve plug-in block (2), and is arranged between the sealing part of the valve core (4) and the air outlet;
the valve core is characterized in that a valve core chamber is formed in the valve core (4) at one end where the sealing part is not arranged, the valve core chamber and an inner chamber at one end where the safety valve fixing seat (3) is provided with the gas-liquid separation membrane form a supporting elastic component chamber for accommodating the supporting elastic component, and a gas inlet of the small-pipe-diameter ventilation pipeline is formed in a valve core wall, close to one side of the supporting elastic component chamber, of the valve core (4).
2. The plug-in type gas-liquid separation safety valve according to claim 1, wherein the sealing part arranged on the valve core (4) is conical; the sealing seat is arranged on the inner wall of the cavity of the safety valve plug-in block (2) and comprises a conical surface which is contacted with the sealing part during sealing; a first sealing ring (13) is arranged on the outer side of the sealing part, and the first sealing ring (13) is used for sealing between the sealing part and the sealing seat.
3. The plug-in type gas-liquid separation safety valve according to claim 1, wherein a supporting seat is arranged in the safety valve fixing seat (3), the supporting seat is contacted with the bottom surface of one end of the valve core (4) where the sealing part is not arranged, and the supporting seat is used for supporting the valve core (4).
4. The plug-in type gas-liquid separation safety valve according to claim 1, wherein a compression cover (6) is hermetically connected to the outer side of one end of a gas-liquid separation membrane arranged on the safety valve fixing seat (3), the gas-liquid separation membrane is arranged between the compression cover (6) and the safety valve fixing seat (3), the central position of the compression cover (6) is a central through hole, one side of the gas-liquid separation membrane covers the central through hole, and the other side of the gas-liquid separation membrane is tightly attached to a separation membrane supporting plate (9) with a porous structure.
5. The cartridge type gas-liquid separation safety valve according to claim 4, wherein the separation membrane support plate (9) is provided in the support elastic member chamber while being used for fixing the support elastic member.
6. The plug-in type gas-liquid separation safety valve according to claim 4, wherein the compression cover (6) and the safety valve fixing seat (3) are sealed by a second sealing ring (8);
the safety valve fixing seat (3) is connected with the safety valve inserting block (2) through threads, and sealing is realized through a third sealing ring (11);
the safety valve plug-in mounting block (2) inner wall with case (4) outer wall is sealed through fourth sealing washer (12), the fourth sealing washer set up in the lower part outside of case sealing part, just the gas outlet of little pipe diameter air pipe sets up in between first sealing washer (13) with fourth sealing washer (12).
7. A gas-liquid separation device provided with the plug-in type gas-liquid separation safety valve according to any one of claims 1 to 6, and is characterized by comprising a gas-liquid separation valve block seat (19), wherein the plug-in type gas-liquid separation safety valve is arranged inside the gas-liquid separation valve block seat (19), a water inlet (18) and a water outlet (17) are arranged on the gas-liquid separation valve block seat (19), a liquid sample is injected from the water inlet (18) and contacts with a gas-liquid separation membrane in the plug-in type gas-liquid separation safety valve, a gas-liquid separation process occurs, liquid is discharged from the water outlet (17), and gas permeated by the gas-liquid separation membrane enters the plug-in type gas-liquid separation safety valve.
8. The gas-liquid separation device according to claim 7, characterized in that at the gas outlet of the cartridge-type gas-liquid separation safety valve, the gas outlet is connected to a vacuum tube (15) via a vacuum connection (14), the vacuum tube being connected to a vacuum apparatus.
9. The gas-liquid separation device according to claim 7, characterized in that the plug-in gas-liquid separation safety valve is connected with the gas-liquid separation valve block seat (19) by a thread arranged outside the safety valve fixing seat (3), and sealing is realized between the safety valve fixing seat (3) and the gas-liquid separation valve block seat (19) by a fifth sealing ring (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811022209.2A CN108980426B (en) | 2018-09-04 | 2018-09-04 | Plug-in type gas-liquid separation relief valve |
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| CN201811022209.2A CN108980426B (en) | 2018-09-04 | 2018-09-04 | Plug-in type gas-liquid separation relief valve |
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| CN108980426A CN108980426A (en) | 2018-12-11 |
| CN108980426B true CN108980426B (en) | 2023-06-02 |
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| CN113081128B (en) * | 2021-03-26 | 2022-05-27 | 苏州贝诺医疗器械有限公司 | Minimally invasive ligation device capable of being sterilized and reused |
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| CA2248622A1 (en) * | 1997-09-23 | 1999-03-23 | Joe Celeste | Biolistic apparatus for delivering substances into cells and tissues |
| JP2015007501A (en) * | 2013-06-25 | 2015-01-15 | 株式会社デンソー | Differential pressure valve for heat pump |
| CN205654932U (en) * | 2016-05-17 | 2016-10-19 | 常州市达克富尔环保科技有限公司 | Oil gas isolating device |
| CN107762994A (en) * | 2016-08-18 | 2018-03-06 | 梅扎零件有限公司 | Overflow valve and its operation method |
| CN206093184U (en) * | 2016-10-27 | 2017-04-12 | 泸州江阳超能燃气有限责任公司 | Natural gas single stage regulator |
| CN206694606U (en) * | 2017-03-29 | 2017-12-01 | 广州竞标新能源汽车部件股份有限公司 | A kind of safety valve of automobile fuel tank |
| CN208935491U (en) * | 2018-09-04 | 2019-06-04 | 山东省科学院海洋仪器仪表研究所 | A kind of plug-in liquid separation safety valve and gas-liquid separation device |
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| CN108980426A (en) | 2018-12-11 |
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