CN210118643U - Double-safety leakage-proof gas dehydrator - Google Patents
Double-safety leakage-proof gas dehydrator Download PDFInfo
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- CN210118643U CN210118643U CN201920923775.4U CN201920923775U CN210118643U CN 210118643 U CN210118643 U CN 210118643U CN 201920923775 U CN201920923775 U CN 201920923775U CN 210118643 U CN210118643 U CN 210118643U
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Abstract
The utility model relates to a double-insurance leakage-proof gas dehydrator, which comprises a labyrinth type water sealing device, an overflow pipe, a double-insurance self-cleaning automatic gas leakage-proof device and a drain pipe; the overflow pipe is fixedly arranged between the labyrinth water seal device and the upper part of the double-insurance self-cleaning automatic gas leakage prevention device; the drain pipe is fixedly arranged on the other side of the upper part of the double-safety self-cleaning automatic gas leakage prevention device; the double-insurance self-cleaning automatic gas leakage prevention device comprises a leakage prevention sealing cylinder, a primary protection device and a secondary protection device; the water outlet of the overflow pipe is communicated with the upper part of the primary protection device, and the water inlet of the drain pipe is communicated with the upper part of the secondary protection device, so that the utility model is convenient to maintain, convenient to disassemble, inspect and maintain, and small in occupied space; the bottom of the drainage cylinder is provided with 3 sewage discharge holes, so that sediments at the bottom of the drainage cylinder can be conveniently and timely cleaned, and the water seal works normally.
Description
Technical Field
The utility model relates to a double-safety leakage-proof gas dehydrator.
Background
In the production process of metallurgical industry, a large number of gas facilities and gas pipelines thereof are applied. Due to the change of the temperature and the pressure of the coal gas, part of water is dissociated from the coal gas to become liquid water which is stored in the pipeline. The presence of this condensed water can hinder the normal flow of the gas; the pipeline load is increased, and the pipeline is broken when the load is severe; the corrosion of the pipeline is accelerated; the water hammer is formed to affect the safe operation of the pipeline, the valve and the instrument element, especially in winter in the north, the liquid water in the gas pipeline is not discharged in time, the freezing and the frost crack of the tail end are easily caused, a large amount of gas is leaked, and the personal injury and the environmental protection accident are caused. Therefore, the condensed water in the gas pipeline must be discharged in time to ensure the safe operation of the gas pipeline and the accessory facilities.
The traditional water-sealed gas drainer extends the drain pipe at the lower part of the gas pipeline into the drainer cylinder and is sealed by water with a certain height, so that gas can not escape, and condensed water in the gas pipeline can be automatically discharged. Under the condition of normal pressure of coal gas, the drainer can safely operate, but when the pressure of the coal gas fluctuates greatly, high pressure occurs, water loss caused by water level reduction of the drainer or other reasons is caused, water is not enough to seal the coal gas, and finally, a large amount of coal gas is leaked, so that accidents occur.
The initial cost of the gas drainer is high; the energy consumption is large (the steam consumption is generally 1.5 to 2.4 tons per day); a large amount of additional sewage is added; emitting a large amount of carcinogens to the atmosphere; short life (typically 4 years); the steam leakage is serious; difficulty in operation and maintenance; the water drainer is often punctured, and a large amount of gas leaks, so that great potential safety hazards exist.
The currently used drainers have the following problems:
first, the single floating ball type gas dehydrator has the disadvantages: 1, due to the existence of dirt, overpressure leakage gas cannot be blocked; 2, air-seal water is easy to generate, and drainage is blocked.
Secondly, the float valve plate type gas dehydrator has the defects that: 1, when water is deficient or dirt exists, overpressure leakage gas cannot be blocked; 2, when the water quantity is large, the drainer is prevented from draining normally; 3, the overpressure gas can be sealed only by simultaneously plugging two plugging ports; 4, the overvoltage protection dead zone is large.
Thirdly, the floating ball lever valve plate gas dehydrator has the defects that: 1, when water is deficient or coal gas pressure fluctuates, the valve plate is closed, and water cannot be drained when water comes again; 2, when the water amount is large, the valve plate is closed to block the drainage; 3, the movable elements are more, the movable elements are easy to clamp when slag exists, and the overpressure leakage gas cannot be sealed.
Fourthly, the floater sliding rod plugging plate type overvoltage protector has the defects that: 1, when slag exists, the sliding rod is clamped by a guide pipe (the guide pipe is immersed in water for a long time), and cannot be closed or opened, and meanwhile, a blocking plate cannot be closed tightly, so that overpressure leakage gas cannot be blocked; 2, in case of water shortage, air-sealed water is caused to block water drainage; 3, the inner wall cannot be anticorrosive and cannot be overhauled.
Fifthly, the full corrosion-proof overpressure self-closing gas dehydrator with diffusion has the defects that: the hazard of the overpressure and external leakage gas diffused by the diffusing pipe is large, and the rule violation is caused; and 2, the blocking plate is closed frequently during gas pressure fluctuation to prevent water drainage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a coal gas dehydrator is prevented leaking by dual fail-safe that can in time discharge comdenstion water and effectively prevent that coal gas from leaking and have good resistant breakdown performance.
The utility model adopts the following technical scheme:
the utility model comprises a labyrinth water seal device, an overflow pipe, a double-insurance self-cleaning automatic gas leakage prevention device and a drain pipe; the overflow pipe is fixedly arranged between the labyrinth water seal device and the upper part of the double-insurance self-cleaning automatic gas leakage prevention device; the water drainage pipe is fixedly arranged on the other side of the upper part of the double-safety self-cleaning automatic gas leakage prevention device; the double-insurance self-cleaning automatic gas leakage prevention device comprises a leakage prevention sealing cylinder, a primary protection device and a secondary protection device which are arranged in the inner cavity of the leakage prevention sealing cylinder and communicated with each other at the bottom; the water outlet of the overflow pipe is communicated with the upper part of the primary protection device, and the water inlet of the drain pipe is communicated with the upper part of the secondary protection device.
The utility model is provided with the intermediate baffle between the primary protection device and the secondary protection device, and the top end of the intermediate baffle is fixed with the bottom of the top wall of the leakproof sealing cylinder; the primary protection device comprises a left chamber arranged on the left side of the middle partition plate, a guide sleeve fixedly arranged at the bottom of the top wall of the left chamber, a guide rod arranged in the guide sleeve, a hollow sealing body fixedly arranged in an inner cavity at the bottom of the guide rod, a primary partition plate arranged between the inner wall of the left chamber and the lower part of the middle partition plate and an overflow cylinder which penetrates through the primary partition plate and is fixedly arranged on the primary partition plate; the guide sleeve and the guide rod are coaxial, and the sealing body is positioned right above the overflow cylinder; the first-stage clapboard is positioned below the water outlet of the overflow pipe; the sealing body is made of nylon material floating on the water surface, and is arranged in a sealing manner after descending and contacting with the top of the overflow cylinder; the secondary protection device comprises a right chamber arranged on the right side of the middle partition plate, a third partition plate arranged between the inner wall of the right chamber and the middle partition plate, a sealing plate hinged to the bottom of the third partition plate and capable of swinging left and right, and a secondary partition plate obliquely and fixedly arranged on the bottom of the third partition plate and the inner wall of the right chamber; the third-stage clapboard is positioned below the water inlet of the drain pipe; the lower water outlet holes are formed in the secondary partition plate, the sealing plate swings rightwards to seal the lower water outlet holes to prevent gas leakage, the upper water outlet holes are formed in the tertiary partition plate, and the tops of the sealing plate and the secondary partition plate are located on the left side of the upper water outlet holes; the bottoms of the left chamber and the right chamber are communicated.
The utility model discloses pass and prevent leaking sealed bobbin roof and set up the level gauge, at level gauge bottom installation floater, the floater is located the upper drainage hole top.
The utility model discloses at the water inlet inside wall installation O type sealing washer of an overflow section of thick bamboo, the seal bottom is frustum shape.
The labyrinth water seal device comprises a sealed drainage cylinder, a water inlet pipe arranged in the drainage cylinder and a tertiary water seal arranged in the inner cavity of the drainage cylinder and communicated with the bottom of the water inlet pipe; the water outlet of the third-stage water seal is communicated with the water inlet of the overflow pipe.
The utility model discloses at the blowhole of bottom installation and tertiary water seal intercommunication, the blowhole passes through flange seal.
The utility model discloses all install the ball valve at a drainage section of thick bamboo and the top of preventing leaking a sealed section of thick bamboo.
The utility model discloses the height of every level water seal of tertiary water seal is 1000 supplyes 1500 mm.
The utility model discloses positive effect as follows: the utility model discloses the coal gas dehydrator sets up tertiary water seal, and the water seal height of every grade is 1000 supplyes 1500mm water columns, and the water seal height after 3 baffling superposes is 3000 supplyes 4500mm, and drainage tube bottom and top all have appropriate space, are favorable to the smooth discharge of comdenstion water; when the double-insurance self-cleaning automatic gas leakage prevention device normally drains water, the density of the sealing body made of nylon is smaller than that of water, the sealing body automatically floats on the water surface, the left chamber is communicated with the bottom of the right chamber, condensed water flows into the right chamber from the left chamber through the overflow cylinder, the gas condensed water is discharged through the drain pipe, and the height of the water level in the double-insurance self-cleaning automatic gas leakage prevention device is observed through the floating ball liquid level meter. The sealing plate is washed by water flow for a long time, the surface of the sealing plate keeps smooth, and the sealing effect is good.
When the effective water level in the drainage cylinder is reduced due to pressure fluctuation of a gas pipe network or other reasons and is not enough to block gas, the gas enters the double-safety self-cleaning automatic gas leakage prevention device, and the hollow sealing body quickly blocks the overflow cylinder provided with the sealing ring under the action of the gas pressure, so that the gas leakage is effectively prevented; when the left room of one-level protection device became invalid among the automatic leakage prevention device, the closing plate among the second grade protection device swings right and can seal down the drainage hole, seals coal gas in the twinkling of an eye, prevents gas leakage, the utility model discloses a two-stage baffle has replaced overvoltage protector to leaking the coal gas shutoff, can not produce "water resistance" and "air lock" phenomenon, safe and reliable.
The utility model discloses resume normal drainage after, unscrew the ball valve, with labyrinth water seal arrangement and the automatic atmosphere of going into of preventing of dual fail-safe self-cleaning gas leakage device interior gas, ensure that labyrinth water seal arrangement is imitated the water seal height and be 3000 give up 4500mm, open the blowoff hole and can carry out the blowdown to impurity, silt in the condensate water, prevent that a drainage section of thick bamboo from blockking up.
The utility model is convenient to maintain, convenient to disassemble, inspect and maintain and small in occupied space; the bottom of the drainage cylinder is provided with 3 sewage discharge holes, so that sediments at the bottom of the drainage cylinder can be conveniently and timely cleaned, and the water seal works normally.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is a schematic structural view of the double-insurance self-cleaning automatic gas leakage prevention device of the present invention;
FIG. 4 is a schematic view of a primary anti-leakage structure of the utility model during operation;
figure 5 is the utility model discloses the structure sketch map is prevented leaking by during operation second grade.
In the drawings: 1 labyrinth type water seal device, 2 overflow pipe, 3 double insurance self-cleaning automatic gas leakage prevention device, 4 drain pipes, 5 leakage prevention sealing cylinders, 6 intermediate partition boards, 7 left chamber, 8 guide sleeve, 9 guide rod, 10 sealing body, 11 first-stage partition board, 12 overflow cylinder, 13 right chamber, 14 third-stage partition board, 15 sealing board, 16 second-stage partition board, 17 lower drain hole, 18 upper drain hole, 19 liquidometer, 20 floating ball, 21O type sealing ring, 22 drain cylinder, 23 water inlet pipe, 24 third-stage water seal, 25 leakage prevention sealing cylinder and 26 ball valve.
Detailed Description
As shown in attached figures 1-5, the utility model comprises a labyrinth water sealing device 1, an overflow pipe 2, a double-insurance self-cleaning automatic gas leakage prevention device 3 and a drain pipe 4; the overflow pipe 2 is fixedly arranged between the labyrinth water seal device 1 and the upper part of the double-insurance self-cleaning automatic gas leakage prevention device 3; the water discharge pipe 4 is fixedly arranged at the other side of the upper part of the double-insurance self-cleaning automatic gas leakage prevention device 3.
The double-insurance self-cleaning automatic gas leakage prevention device 3 comprises a leakage prevention sealing cylinder 5, a primary protection device and a secondary protection device which are arranged in the inner cavity of the leakage prevention sealing cylinder 5 and are communicated with each other at the bottoms; the water outlet of the overflow pipe 2 is communicated with the upper part of the primary protection device, and the water inlet of the drain pipe 4 is communicated with the upper part of the secondary protection device.
In the utility model, a middle clapboard 6 is arranged between the primary protection device and the secondary protection device, and the top end of the middle clapboard 6 is fixed with the bottom of the top wall of the leakproof sealing cylinder 5; the primary protection device comprises a left chamber 7 arranged on the left side of a middle partition plate 6, a guide sleeve 8 fixedly arranged at the bottom of the top wall of the left chamber 7, a guide rod 9 arranged in the guide sleeve 8, a hollow sealing body 10 fixedly arranged at the bottom inner cavity of the guide rod 9, a primary partition plate 11 arranged between the inner wall of the left chamber 7 and the lower part of the middle partition plate 6 and a hollow overflow cylinder 12 penetrating through the primary partition plate 11 and fixedly arranged on the primary partition plate; the guide sleeve 8 and the guide rod 9 are coaxial, and the sealing body 10 is positioned right above the overflow cylinder 12; an O-shaped sealing ring 21 is arranged on the inner side wall of the water inlet of the overflow cylinder 12, and the bottom of the sealing body 10 is in a frustum shape. The sealing body 10 is made of nylon material floating on the water surface, and the sealing body 10 is arranged in a sealing manner after descending and contacting with the top of the overflow cylinder 12; the O-shaped sealing ring 21 is made of fluororubber, corrosion resistant and high temperature resistant, the sealing body 10 can automatically fall down to enable the frustum-shaped bottom to tightly seal the inlet of the overflow cylinder 12 during breakdown, the O-shaped sealing ring 21 is used for sealing, coal gas is reliably sealed and does not leak, and the primary partition plate 11 is located below the water outlet of the overflow pipe 2.
The secondary protection device of the utility model comprises a right chamber 13 arranged at the right side of a middle clapboard 6, a tertiary clapboard 14 arranged between the inner wall of the right chamber 13 and the middle clapboard 6, a sealing plate 15 hinged at the bottom of the tertiary clapboard 14 and capable of swinging left and right, and a secondary clapboard 16 which is obliquely and fixedly arranged at the bottom of the tertiary clapboard 14 and on the inner wall of the right chamber 13; the third-stage clapboard 14 is positioned below the water inlet of the drain pipe 4; the sealing plate 15 is positioned on the left side of the secondary partition plate 16, the lower water outlet 17 is arranged on the secondary partition plate 16, the sealing plate 15 swings rightwards to seal the lower water outlet 17 and prevent gas leakage, the upper water outlet 18 is arranged on the tertiary partition plate 14, and the tops of the sealing plate 15 and the secondary partition plate 16 are positioned on the left side of the upper water outlet 18; the bottoms of the left chamber 7 and the right chamber 13 are communicated. A liquid level meter 19 is arranged through the top wall of the leakproof sealing cylinder 5, and a floating ball 20 is arranged at the bottom of the liquid level meter 19, and the floating ball 20 is positioned above the upper drainage hole 18.
The labyrinth water seal device 1 of the utility model comprises a sealed drainage cylinder 22, a water inlet pipe 23 arranged in the drainage cylinder 22 and a tertiary water seal 24 which is arranged in the inner cavity of the drainage cylinder 22 and is communicated with the bottom of the water inlet pipe 23; the height of each stage of water seal of the three-stage water seal 24 is 1000-1500mm, and the three-stage water seal 24 can be superposed to form a water column pressure (30 kPa-45 kPa) of 3000-4500 mm; the height of each stage of water seal of the three stages of water seals 24 in the embodiment is 1000 mm; the water outlet of the third-stage water seal 24 is communicated with the water inlet of the overflow pipe 2. And a sewage discharge hole 25 communicated with the tertiary water seal 24 is arranged at the bottom of the drainage cylinder 22, and the sewage discharge hole 25 is sealed by a flange. Ball valves 26 are installed at the top of the drain cylinder 22 and the leak-proof sealing cylinder 5.
The height of a one-way water seal of the three-level water seal 24 of the drainage cylinder 22 in the embodiment is 1000 mm, the height of the water seal after 3 baffling is 3000mm, the bottom space of the drainage cylinder 22 is 200 mm, and the top space is 100 mm, so that the drainage of condensed water is facilitated; when the double-safety self-cleaning automatic gas leakage prevention device 3 normally drains water, the density of the sealing body 10 made of nylon is smaller than that of water, the sealing body 10 automatically floats on the water surface, the bottoms of the left chamber 7 and the right chamber 13 are communicated, condensed water flows into the right chamber 13 from the left chamber 7 through the overflow cylinder 12, the gas condensed water is discharged through the drain pipe 4, and the height of the water level in the double-safety self-cleaning automatic gas leakage prevention device is observed through the floating ball liquid level meter. The sealing plate 15 is washed by water flow for a long time, the surface is kept smooth, and the sealing effect is good.
The principle that the condensed water can float the sealing body 10 is as follows:
archimedes principle: an object immersed in a liquid or gas is subjected to an upward buoyant force equal in magnitude to the weight of the liquid displaced by the object, namely: f float = G row = ρ liquid × G × V row, and the buoyancy F received by the nylon seal body 10 is calculated to be much larger than its own weight.
When the effective water level in the drainage cylinder 22 is reduced due to pressure fluctuation of a gas pipe network or other reasons and is not enough to block gas, the gas enters the double-safety self-cleaning automatic gas leakage prevention device 3, and the hollow sealing body 10 quickly blocks the overflow cylinder 12 provided with the O-shaped sealing ring 21 under the action of the gas pressure, so that the gas leakage is effectively prevented; when automatic prevent leaking device left room 7 and become invalid, the closing plate 15 swings right and can seal lower drainage hole 17, seals coal gas in the twinkling of an eye, prevents that coal gas from leaking, the utility model discloses a two-stage baffle replaces overvoltage protector to leaking the coal gas shutoff, can not produce "water resistance" and "air resistance" phenomenon, safe and reliable.
The utility model discloses resume normal drainage after, unscrew ball valve 26, with labyrinth water seal 1 and the automatic atmosphere of preventing 3 interior gas escape into of gas leakage device of dual fail-safe self-cleaning, ensure that labyrinth water seal has effective water seal height and is 3000mm, open blowoff hole 25 and can carry out the blowdown to impurity, silt in the condensate water, prevent that a drainage tube from blockking up.
The utility model is convenient to maintain, convenient to disassemble, inspect and maintain and small in occupied space; the bottom of the drainage cylinder is provided with 3 sewage discharge holes, so that sediments at the bottom of the drainage cylinder can be conveniently and timely cleaned, and the water seal works normally.
Finally, it should be understood that the above description is only exemplary of the present invention and is not intended to limit the present invention, and that any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A double-insurance leakage-proof gas dehydrator is characterized by comprising a labyrinth type water sealing device (1), an overflow pipe (2), a double-insurance self-cleaning automatic gas leakage-proof device (3) and a drain pipe (4);
the overflow pipe (2) is fixedly arranged between the labyrinth water seal device (1) and the upper part of the double-insurance self-cleaning automatic gas leakage prevention device (3);
the water discharge pipe (4) is fixedly arranged on the other side of the upper part of the double-safety self-cleaning automatic gas leakage prevention device (3);
the double-insurance self-cleaning automatic gas leakage prevention device (3) comprises a leakage prevention sealing cylinder (5), a primary protection device and a secondary protection device, wherein the primary protection device and the secondary protection device are arranged in the inner cavity of the leakage prevention sealing cylinder (5) and the bottoms of the primary protection device and the secondary protection device are communicated; the water outlet of the overflow pipe (2) is communicated with the upper part of the primary protection device, and the water inlet of the drain pipe (4) is communicated with the upper part of the secondary protection device.
2. A double-insurance leakage-proof gas dehydrator according to claim 1, wherein a middle clapboard (6) is arranged between the primary protection device and the secondary protection device, and the top end of the middle clapboard (6) is fixed with the bottom of the top wall of the leakage-proof sealing barrel (5);
the primary protection device comprises a left chamber (7) arranged on the left side of the middle partition plate (6), a guide sleeve (8) fixedly arranged at the bottom of the top wall of the left chamber (7), a guide rod (9) arranged in the guide sleeve (8), a hollow sealing body (10) fixedly arranged in the inner cavity of the bottom of the guide rod (9), a primary partition plate (11) arranged between the inner wall of the left chamber (7) and the lower part of the middle partition plate (6) and an overflow cylinder (12) penetrating through the primary partition plate (11) and fixedly arranged on the primary partition plate; the guide sleeve (8) and the guide rod (9) are coaxial, and the sealing body (10) is positioned right above the overflow cylinder (12); the primary clapboard (11) is positioned below the water outlet of the overflow pipe (2);
the sealing body (10) is made of nylon material floating on the water surface, and the sealing body (10) is arranged in a sealing manner after descending and contacting with the top of the overflow cylinder (12);
the secondary protection device comprises a right chamber (13) arranged on the right side of the middle partition plate (6), a third-stage partition plate (14) arranged between the inner wall of the right chamber (13) and the middle partition plate (6), a sealing plate (15) hinged to the bottom of the third-stage partition plate (14) and capable of swinging left and right, and a secondary partition plate (16) obliquely and fixedly arranged on the bottom of the third-stage partition plate (14) and the inner wall of the right chamber (13); the third-stage partition plate (14) is positioned below the water inlet of the drain pipe (4);
the lower water outlet (17) is formed in the secondary partition plate (16), the sealing plate (15) swings rightwards to seal the lower water outlet (17) and prevent gas leakage, the upper water outlet (18) is formed in the tertiary partition plate (14), and the tops of the sealing plate (15) and the secondary partition plate (16) are located on the left side of the upper water outlet (18);
the bottoms of the left chamber (7) and the right chamber (13) are communicated.
3. A double-safety leakage-proof gas dehydrator according to claim 2, wherein a level gauge (19) is provided through the top wall of the leakage-proof sealing cylinder (5), and a floating ball (20) is installed at the bottom of the level gauge (19), said floating ball (20) being located above the upper drain hole (18).
4. A double-safety leakage-proof gas dehydrator according to claim 2, wherein an O-ring (21) is installed on the inner side wall of the water inlet of the overflow cylinder (12), and the bottom of the sealing body (10) is in a frustum shape.
5. A double-insurance leakage-proof gas dehydrator according to claim 1, wherein the labyrinth water seal device (1) comprises a sealed drain cylinder (22), a water inlet pipe (23) arranged in the drain cylinder (22) and a tertiary water seal (24) arranged in the inner cavity of the drain cylinder (22) and communicated with the bottom of the water inlet pipe (23); the water outlet of the third-stage water seal (24) is communicated with the water inlet of the overflow pipe (2).
6. A double-insurance leakage-proof gas dehydrator according to claim 5, wherein a blow-off hole (25) communicating with the tertiary water seal (24) is installed at the bottom, said blow-off hole (25) being sealed by a flange.
7. A double safety leak-proof gas dehydrator according to claim 5, wherein ball valves (26) are installed at the top of both the drain cylinder (22) and the leak-proof sealing cylinder (5).
8. The double-insurance leakage-proof gas dehydrator according to claim 5, wherein the height of each stage of the three stages of water seals (24) is 1000-1500 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920923775.4U CN210118643U (en) | 2019-06-19 | 2019-06-19 | Double-safety leakage-proof gas dehydrator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920923775.4U CN210118643U (en) | 2019-06-19 | 2019-06-19 | Double-safety leakage-proof gas dehydrator |
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| CN210118643U true CN210118643U (en) | 2020-02-28 |
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| CN201920923775.4U Active CN210118643U (en) | 2019-06-19 | 2019-06-19 | Double-safety leakage-proof gas dehydrator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639071A (en) * | 2020-05-11 | 2021-11-12 | 中国石油化工股份有限公司 | Baffling type torch gas-water sealed tank |
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2019
- 2019-06-19 CN CN201920923775.4U patent/CN210118643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639071A (en) * | 2020-05-11 | 2021-11-12 | 中国石油化工股份有限公司 | Baffling type torch gas-water sealed tank |
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