CN213982973U - Liquefied natural gas is with preventing leaking holding vessel - Google Patents

Liquefied natural gas is with preventing leaking holding vessel Download PDF

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Publication number
CN213982973U
CN213982973U CN202022863424.4U CN202022863424U CN213982973U CN 213982973 U CN213982973 U CN 213982973U CN 202022863424 U CN202022863424 U CN 202022863424U CN 213982973 U CN213982973 U CN 213982973U
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natural gas
liquefied natural
holding vessel
leakage
proof
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CN202022863424.4U
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Chinese (zh)
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黄锟
徐生华
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Chongqing Bojie Energy Co Ltd
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Chongqing Bojie Energy Co Ltd
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Abstract

The utility model discloses a liquefied natural gas is with preventing leaking holding vessel relates to the natural gas storage technology field, and the natural gas business turn over pipe to present holding vessel is along with the increase of service life, and its leakproofness reduces for the natural gas takes place the problem of revealing easily, now proposes following scheme, and it includes the liquefied natural gas holding vessel, liquefied natural gas holding vessel circumference lateral wall one side is provided with the natural gas business turn over pipe, just liquefied natural gas holding vessel bottom end fixed mounting has the air pump, liquefied natural gas holding vessel circumference lateral wall lower extreme is provided with prevents leaking the outer jar, just prevent leaking outer jar and liquefied natural gas holding vessel circumference lateral wall fixed connection, prevent leaking outer tank bottom end fixed mounting and have the cylinder, just the cylinder passes through trachea fixed connection with the air pump, cylinder top fixed mounting has the lift crown plate. The utility model discloses novel structure, and the device not only can prevent that the natural gas from leaking to the air, and can seal the maintenance to it at the initial stage that the natural gas was revealed.

Description

Liquefied natural gas is with preventing leaking holding vessel
Technical Field
The utility model relates to a natural gas stores technical field, especially relates to a liquefied natural gas is with preventing leaking holding vessel.
Background
The natural gas is all natural gases in nature, has wide application, can be used as household fuel, industrial fuel, automobile fuel and the like, can be used for boiling water for cooking, is used as industrial fuel, can provide power for industrial production, and can provide power for automobiles.
The natural gas generally adopts the holding vessel to preserve at present, and the natural gas business turn over pipe of holding vessel along with the increase of service life, its leakproofness reduces for the natural gas takes place to reveal easily, in order to solve this problem, we provide a liquefied natural gas with preventing leaking the holding vessel.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of liquefied natural gas is with preventing leaking holding vessel, the natural gas business turn over pipe that has solved present holding vessel is along with the increase of service life, and its leakproofness reduces for the problem of revealing takes place easily for the natural gas.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a leakage-proof storage tank for liquefied natural gas comprises a liquefied natural gas storage tank, wherein a natural gas inlet pipe and a natural gas outlet pipe are arranged on one side of the circumferential side wall of the liquefied natural gas storage tank, an air pump is fixedly arranged at the bottom end of the liquefied natural gas storage tank, a leakage-proof outer tank is arranged at the lower end of the circumferential side wall of the liquefied natural gas storage tank and is fixedly connected with the circumferential side wall of the liquefied natural gas storage tank, an air cylinder is fixedly arranged at the bottom end of the leakage-proof outer tank and is fixedly connected with the air pump through an air pipe, a lifting ring plate is fixedly arranged at the top end of the air cylinder and is sleeved with the liquefied natural gas storage tank, the lifting ring plate, the liquefied natural gas storage tank and the leakage-proof outer tank are movably arranged, leakage-proof water is arranged above the lifting ring plate, and an underwater methane sensor is arranged in the leakage-proof water, and the underwater methane sensor is fixedly connected with the top end of the lifting ring plate, the lower end of the circumferential side wall of the anti-leakage outer tank is provided with a first liquid level sensor, the lower end of the circumferential side wall of the anti-leakage outer tank is fixedly connected with the lower end of the circumferential side wall of the anti-leakage outer tank, a second liquid level sensor is arranged above the first liquid level sensor, the upper end of the circumferential side wall of the anti-leakage outer tank is fixedly connected with the second liquid level sensor, the circumferential side wall of the anti-leakage outer tank is provided with an explosion-proof sealing door, a control cabinet is arranged on one side of the explosion-proof sealing door, an alarm horn is arranged on one side of the control cabinet, and the alarm horn is fixedly connected with the circumferential outer wall of the anti-leakage outer tank.
Preferably, the cylinders are arranged at the bottom end of the leakage-proof outer tank in an annular array by taking the circle center of the leakage-proof outer tank as a center point.
Preferably, the horizontal height of the first liquid level sensor is lower than the bottom end of the explosion-proof sealing door, and the horizontal height of the first liquid level sensor is higher than the horizontal height of the natural gas inlet and outlet pipe.
Preferably, the control cabinet is electrically connected with the air pump, the first liquid level sensor, the second liquid level sensor, the alarm loudspeaker and the underwater methane sensor through leads.
Preferably, the bottom end of the liquefied natural gas storage tank is provided with tank body supporting blocks, and the tank body supporting blocks are distributed at the bottom end of the liquefied natural gas storage tank in a rectangular array.
Preferably, the natural gas inlet and outlet pipe is matched with the explosion-proof sealing door, and the circumferential side wall of the natural gas inlet and outlet pipe is coated with waterproof paint.
The utility model has the advantages that:
1. through the rising of lift crown plate for the water level that prevents leaking floods the natural gas business turn over pipe, thereby when making natural gas business turn over pipe department take place the natural gas and reveal, the natural gas can not spread immediately in the air, has reduced the risk of burning explosion.
2. After the natural gas leaks and enters the leakage-proof water, the signal of the natural gas leakage is transmitted to the control cabinet through the underwater methane sensor arranged in the leakage-proof water, and then the alarm horn is controlled to send out an alarm signal to remind a worker to overhaul the alarm horn.
In conclusion, the device not only can prevent the natural gas from leaking into the air, but also can perform sealing maintenance on the natural gas at the initial stage of leakage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic front view of the structure of the present invention.
Fig. 3 is a schematic structural diagram of a-a of the present invention.
Reference numbers in the figures: 1. a liquefied natural gas storage tank; 2. a leak-proof outer tank; 3. a natural gas inlet pipe and a natural gas outlet pipe; 4. an explosion-proof seal door; 5. a lifting ring plate; 6. a cylinder; 7. an air pump; 8. a tank body supporting block; 9. a first liquid level sensor; 10. a second liquid level sensor; 11. a control cabinet; 12. water leakage is prevented; 13. an alarm horn; 14. an underwater methane sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a leakage-proof storage tank for liquefied natural gas comprises a liquefied natural gas storage tank 1, a natural gas inlet and outlet pipe 3 is arranged on one side of the circumferential side wall of the liquefied natural gas storage tank 1, an air pump 7 is fixedly arranged at the bottom end of the liquefied natural gas storage tank 1, a leakage-proof outer tank 2 is arranged at the lower end of the circumferential side wall of the liquefied natural gas storage tank 1, the leakage-proof outer tank 2 is fixedly connected with the circumferential side wall of the liquefied natural gas storage tank 1, an air cylinder 6 is fixedly arranged at the bottom end of the leakage-proof outer tank 2, the air cylinder 6 is fixedly connected with the air pump 7 through an air pipe, a lifting ring plate 5 is fixedly arranged at the top end of the air cylinder 6, the lifting ring plate 5 is sleeved with the liquefied natural gas storage tank 1, the lifting ring plate 5 is movably mounted with the liquefied natural gas storage tank 1 and the leakage-proof outer tank 2, a leakage-proof water leakage-proof 12 is arranged above the lifting ring plate 5, an underwater methane sensor 14 is arranged in the leakage-proof water 12, the underwater methane sensor 14 is fixedly connected with the top end of a lifting ring plate 5, a first liquid level sensor 9 is arranged at the lower end of the circumferential side wall of the leakage-proof outer tank 2, the first liquid level sensor 9 is fixedly connected with the lower end of the circumferential side wall of the leakage-proof outer tank 2, a second liquid level sensor 10 is arranged above the first liquid level sensor 9, the second liquid level sensor 10 is fixedly connected with the upper end of the circumferential side wall of the leakage-proof outer tank 2, an explosion-proof sealing door 4 is arranged on the circumferential side wall of the leakage-proof outer tank 2, a control cabinet 11 is arranged on one side of the explosion-proof sealing door 4, an alarm horn 13 is arranged on one side of the control cabinet 11, the alarm horn 13 is fixedly connected with the circumferential outer wall of the leakage-proof outer tank 2, and the cylinder 6 is arranged at the bottom end of the leakage-proof outer tank 2 in an annular array by taking the circle center of the leakage-proof outer tank 2 as a center point, the horizontal height of first level sensor 9 is less than 4 bottoms of explosion-proof sealing door, the horizontal height of first level sensor 9 is higher than the horizontal height of natural gas business turn over pipe 3, control box 11 all passes through wire electric connection with air pump 7, first level sensor 9, second level sensor 10, warning loudspeaker 13 and methane sensor 14 under water, 1 bottom of liquefied natural gas holding vessel is provided with a jar body supporting shoe 8, just jar body supporting shoe 8 is rectangular array distribution in 1 bottom of liquefied natural gas holding vessel, natural gas business turn over pipe 3 matches with explosion-proof sealing door 4, just the 3 circumference lateral walls of natural gas business turn over pipe have paintd waterproof paint.
The working principle is as follows: when natural gas is conveyed into the liquefied natural gas storage tank 1, the air pump 7 is started through the control case 11, the air cylinder 6 drives the lifting ring plate 5 to descend, the lifting ring plate 5 descends to enable the water level of the leakage-proof water 12 to descend, when the water level descends to the horizontal position of the first liquid level sensor 9, the first liquid level sensor 9 transmits a signal to the control case 11, the control case 11 starts the alarm horn 13 to sound, the worker is prompted to open the explosion-proof sealing door 4, then the natural gas inlet and outlet pipe 3 is connected and conveyed, after the conveying is finished, the reverse operation is kept away from, when the lifting ring plate 5 pushes the leakage-proof water 12 to ascend to the second liquid level sensor 10, the natural gas inlet and outlet pipe 3 is arranged in the leakage-proof water 12, when natural gas leakage occurs in the natural gas inlet and outlet pipe 3, the natural gas enters the leakage-proof water 12 and is detected by the underwater methane sensor 14, then the underwater methane sensor 14 transmits a signal to the control cabinet 11, and the control cabinet 11 starts the alarm horn 13 to continuously alarm.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a liquefied natural gas is with preventing leaking holding vessel, includes liquefied natural gas holding vessel (1), its characterized in that, liquefied natural gas holding vessel (1) circumference lateral wall one side is provided with natural gas business turn over pipe (3), just liquefied natural gas holding vessel (1) bottom fixed mounting has air pump (7), liquefied natural gas holding vessel (1) circumference lateral wall lower extreme is provided with prevents leaking outer jar (2), just prevent leaking outer jar (2) and liquefied natural gas holding vessel (1) circumference lateral wall fixed connection, prevent leaking outer jar (2) bottom fixed mounting and have cylinder (6), just cylinder (6) pass through trachea fixed connection with air pump (7), cylinder (6) top fixed mounting has lift crown plate (5), just lift crown plate (5) cup joint with liquefied natural gas holding vessel (1), just lift crown plate (5) all are the movable mounting with liquefied natural gas holding vessel (1) and prevent leaking outer jar (2) The anti-leakage device is characterized in that an anti-leakage water (12) is arranged above the lifting ring plate (5), an underwater methane sensor (14) is arranged inside the anti-leakage water (12), the underwater methane sensor (14) is fixedly connected with the top end of the lifting ring plate (5), a first liquid level sensor (9) is arranged at the lower end of the circumferential side wall of the anti-leakage outer tank (2), the first liquid level sensor (9) is fixedly connected with the lower end of the circumferential side wall of the anti-leakage outer tank (2), a second liquid level sensor (10) is arranged above the first liquid level sensor (9), the second liquid level sensor (10) is fixedly connected with the upper end of the circumferential side wall of the anti-leakage outer tank (2), an anti-explosion sealing door (4) is arranged on the circumferential side wall of the anti-leakage outer tank (2), a control cabinet (11) is arranged on one side of the anti-explosion sealing door (4), and an alarm horn (13) is arranged on one side of the control cabinet (11), and the alarm horn (13) is fixedly connected with the circumferential outer wall of the anti-leakage outer tank (2).
2. A leak-proof storage tank for liquefied natural gas according to claim 1, wherein the cylinders (6) are installed in an annular array at the bottom end of the leak-proof outer tank (2) with the center point of the leak-proof outer tank (2) being the center point.
3. A leak-proof storage tank for liquefied natural gas according to claim 1, wherein the first level sensor (9) has a level lower than the bottom end of the explosion-proof sealing door (4), and the level of the first level sensor (9) is higher than the level of the natural gas inlet and outlet pipe (3).
4. The leak-proof storage tank for liquefied natural gas according to claim 1, wherein the control box (11) is electrically connected to the air pump (7), the first liquid level sensor (9), the second liquid level sensor (10), the alarm horn (13) and the underwater methane sensor (14) through wires.
5. The leak-proof storage tank for liquefied natural gas according to claim 1, wherein the liquefied natural gas storage tank (1) is provided with tank support blocks (8) at the bottom end thereof, and the tank support blocks (8) are distributed at the bottom end of the liquefied natural gas storage tank (1) in a rectangular array.
6. A leak-proof storage tank for liquefied natural gas according to claim 1, wherein said natural gas inlet and outlet pipe (3) is fitted with an explosion-proof sealing door (4), and a circumferential side wall of said natural gas inlet and outlet pipe (3) is coated with a waterproof paint.
CN202022863424.4U 2020-11-30 2020-11-30 Liquefied natural gas is with preventing leaking holding vessel Active CN213982973U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022863424.4U CN213982973U (en) 2020-11-30 2020-11-30 Liquefied natural gas is with preventing leaking holding vessel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022863424.4U CN213982973U (en) 2020-11-30 2020-11-30 Liquefied natural gas is with preventing leaking holding vessel

Publications (1)

Publication Number Publication Date
CN213982973U true CN213982973U (en) 2021-08-17

Family

ID=77239434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022863424.4U Active CN213982973U (en) 2020-11-30 2020-11-30 Liquefied natural gas is with preventing leaking holding vessel

Country Status (1)

Country Link
CN (1) CN213982973U (en)

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