Liquefied natural gas gasification equipment

Abstract

The utility model discloses liquefied natural gas gasification equipment which comprises a gasification tank body, a partition plate is installed in the middle of the gasification tank body and divides the gasification tank body into two spaces, a liquid supply pipe is inserted in the lower portion of one side of the gasification tank body in a penetrating mode, and the lower portion of the gasification tank body is a heating box. The liquid supply pipe is connected with a drainage assembly in the heating box, a heating device is installed at the bottom of the heating box, a pressure relief assembly is installed at the top of the gasification tank body, a supporting assembly is installed at the bottom of the gasification tank body, and an alarm is further arranged above the pressure relief assembly. And meanwhile, the alarm is triggered to give an alarm during pressure relief to warn a worker, so that the purpose of safe production is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquefied natural gas, in particular to a liquefied natural gas gasification device. Background Art

[0002] Liquefied natural gas is a very clean and advanced energy source. It is colorless, odorless, non-toxic and non-corrosive. It causes little air pollution after combustion, but it emits a lot of heat and has high efficiency. Its main component is methane, which needs to be gasified when used to facilitate transportation and use.

[0003] The existing patent CN218268538U proposes a liquefied natural gas gasification device, including a box body, a liquid injection pipe is installed on one side of the box body, a gasification box is arranged inside the box body, a heating device for heating is arranged outside the gasification box, a heat insulation board is arranged in the middle of the box body, a collecting box is arranged on the upper part, the gasification box and the collecting box are connected by a vertical pipe, and a gas discharge pipe is arranged on the right side of the collecting box. Under the action of the partition plate, the device makes the liquefied natural gas flow in an S shape, lengthens the flow path of the liquefied natural gas, and facilitates the heating and gasification of the liquefied natural gas. The vertical pipe and the heat insulation board are used to discharge the gasified gas in time to avoid continuous heat absorption of the gasified gas, which is convenient for full utilization of heating resources.

[0004] However, the device still has certain defects when in use. When the device is gasifying liquefied natural gas, if too much liquefied natural gas is injected into the injection pipe, the gasified natural gas is not discharged in time, resulting in excessive pressure in the device, which will cause some irreversible damage to the device, and even cause the device to explode in severe cases. In response to the above problems, we provide a liquefied natural gas gasification equipment to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a liquefied natural gas gasification device to solve the problems in the background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A liquefied natural gas gasification device comprises a gasifier body, a liquid supply pipe is inserted through the bottom of one side of the gasifier body, one end of the liquid supply pipe is connected to a drainage component in a heating box, the heating box is located at the lower inner part of the gasifier body, the heating box is filled with heating liquid, an annular heater is installed at the bottom of the heating box, a partition is provided above the heating box to divide the gasifier body into two spaces, an exhaust pipe is fixedly installed on one side of the upper space of the gasifier body, a one-way exhaust safety valve is provided on the exhaust pipe near the gasifier body, a support component is installed below the gasifier body, and a pressure relief component is installed at the center of the top of the gasifier body.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] In an optional solution, the drainage component is a spiral conduit, which is spirally connected upward in the heating box to the upper space of the gasification tank body.

[0010] In an optional scheme: the support assembly includes a leg rod, a support sleeve, a lifting push rod, a support plate and a roller. There are multiple leg rods and they are distributed at the lower end of the gasification tank body. A support sleeve is slidably sleeved at the lower end of each leg rod. The lower end of the support sleeve is connected and fixed to the top of the support plate. The middle position of the bottom of the gasification tank body is fixedly connected to the output end of the lifting push rod. The bottom of the lifting push rod is connected to the upper end of the support plate, and multiple rollers are provided at the bottom of the support plate.

[0011] In an optional scheme: the pressure relief assembly includes a pressure relief connecting hole, a piston plate, a pressure relief cylinder, a pressure spring, a piston rod, a pressure relief valve, a pressure relief pipe and a gas storage box. The pressure relief cylinder is arranged on the top of the gasifier tank body and is connected with the gasifier tank body through the pressure relief connecting hole. The pressure relief connecting hole is opened at the center position of the top of the gasifier tank body. A piston plate is slidingly provided inside the pressure relief cylinder. A piston rod is fixedly connected to the upper end of the piston plate. The upper end of the piston rod passes through the top of the pressure relief cylinder. The upper end of the piston plate is connected to the top of the pressure relief cylinder by a pressure spring. The outer side of the upper end of the pressure relief cylinder is connected to the gas storage box through the pressure relief pipe. A one-way pressure relief valve is provided on the pressure relief pipe.

[0012] In an optional solution: a scale bar is provided on the surface of the piston rod.

[0013] In an optional solution: an alarm is also provided above the piston rod, the trigger end at the bottom of the alarm corresponds to the top end of the piston rod, and the alarm is connected and fixed to the pressure relief cylinder through a support rod.

[0014] In an optional solution, a sealing ring is provided on the outer side of the piston plate.

[0015] In an optional solution: a mesh loudspeaker is provided on the alarm.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] The utility model uses a pressure relief component to discharge excess gas inside the equipment, thereby maintaining a stable air pressure inside the equipment, and triggers an alarm to sound an alarm during pressure relief to warn staff, thereby achieving the purpose of safe production and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of one side of the utility model.

[0019] Figure 2It is a structural schematic diagram of another side of the utility model.

[0020] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0021] Notes on figure numbers: 100 gasification tank body, 101 exhaust safety valve, 102 exhaust pipe, 103 annular heater, 104 spiral conduit, 105 liquid supply pipe, 106 heating box, 200 support assembly, 201 support leg rod, 202 support sleeve, 203 lifting push rod, 204 support plate, 205 roller, 300 pressure relief assembly, 301 pressure relief connecting hole, 302 piston plate, 303 pressure relief cylinder, 304 pressure spring, 305 piston rod, 306 support rod, 307 alarm, 308 pressure relief valve, 309 pressure relief drain pipe, 310 gas storage box. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] In one embodiment, Figure 1-Figure 3 As shown, a liquefied natural gas gasification device includes a gasification tank body 100, which is in the shape of a large cylinder. A liquid supply pipe 105 is inserted through the bottom of one side of the gasification tank body 100, and one end of the liquid supply pipe 105 is connected to a drainage component in a heating box 106. The heating box 106 is located at the lower inner part of the gasification tank body 100. The heating box 106 is filled with heating liquid for providing heat. A ring heater 103 is installed at the bottom of the heating box 106 for heating. There is a partition above the heating box 106 to separate the gasification tank body 100. 0 is divided into two spaces, the gasified natural gas enters the upper space of the gasifier body 100 through the drainage assembly, an exhaust pipe 102 is fixedly installed on one side of the upper space of the gasifier body 100, the exhaust pipe 102 guides the gasified natural gas into the storage or use device, the exhaust pipe 102 is provided with a one-way exhaust safety valve 101 near the gasifier body to control the one-way discharge of the gas, a support assembly 200 is installed below the gasifier body 100, and a pressure relief assembly 300 is installed at the top center of the gasifier body 100;

[0024] When in use, the liquid supply pipe 105 provides liquefied natural gas to pass through the vaporizer body 100 and enter the drainage component. The drainage component guides the liquefied natural gas to flow in the heating box 106 to absorb heat and vaporize, and guides the vaporized gas to the upper space of the vaporizer body 100. The annular heater 103 heats the heating liquid to provide heat. The vaporized natural gas is then introduced into the storage or use device through the exhaust pipe 102. The support component 200 makes the use of the equipment more convenient. The pressure relief component 300 safely discharges and stores excess natural gas to maintain stable internal air pressure.

[0025] In one embodiment, Figure 3 As shown, the drainage component is a spiral conduit 104, which is close to the inner wall of the heating box 106. The spiral conduit 104 is spirally connected to the upper space of the gasification tank body 100 in the heating box 106, and guides the gasified natural gas into the upper space;

[0026] When in use, liquefied natural gas enters the spiral conduit 104 through the liquid supply pipe 105. Under the drainage effect of the spiral conduit 104, the liquefied natural gas moves upward in a spiral shape in the heating box 106. This process absorbs heat and gasifies in all directions, making more effective use of thermal resources.

[0027] In one embodiment, Figure 2 As shown, the support assembly 200 includes a leg rod 201, a support sleeve 202, a lifting push rod 203, a support plate 204 and a roller 205. There are multiple leg rods 201, which are distributed at the lower end of the gasifier body 100 to provide support for the gasifier body 100. A support sleeve 202 is slidably sleeved at the lower end of each leg rod 201. The leg rod 201 can slide inside the support sleeve 202. The lower end of the support sleeve 202 is connected and fixed to the top of the support plate 204. The middle position of the bottom of the gasifier body 100 is fixedly connected to the output end of the lifting push rod 203. The bottom of the lifting push rod 203 is connected to the upper end of the support plate 204. The lifting push rod 203 can be used to adjust the height of the equipment. The bottom of the support plate 204 is provided with multiple rollers 205 for easy movement of the equipment.

[0028] When in use, the device is moved to the desired position using the roller 205, and the height of the device is adjusted by adjusting the lifting push rod 203. When adjusting the height, the leg rod 201 is synchronously slid and adjusted in the support sleeve 202. The matching connection of the leg rod 201, the support sleeve 202, the lifting push rod 203, the support plate 204 and the roller 205 provides stable support for the gasification tank body 100, and the support assembly 200 makes the use of the device more convenient.

[0029] In one embodiment, Figure 3As shown, the pressure relief assembly 300 includes a pressure relief connection hole 301, a piston plate 302, a pressure relief cylinder 303, a pressure spring 304, a piston rod 305, a pressure relief valve 308, a pressure relief drain pipe 309 and a gas storage box 310. The pressure relief cylinder 303 is arranged at the top of the gasification tank body 100 as a cylinder and is connected to the gasification tank body 100 through the pressure relief connection hole 301. The pressure relief connection hole 301 is opened at the center of the top of the gasification tank body 100. The diameter of the pressure relief connection hole 301 is smaller than the inner diameter of the pressure relief cylinder 303. A piston plate 302 is slidably provided inside the pressure relief cylinder 303, and a sealing member is provided on the outer side of the piston plate 302. Sealing ring, a piston rod 305 is fixedly connected to the upper end of the piston plate 302, and the upper end of the piston rod 305 passes through the top of the pressure relief cylinder 303. A scale bar is provided on the surface of the piston rod 305, and the gas pressure change in the equipment can be monitored in real time by observing the scale bar. The upper end of the piston plate 302 is connected to the top of the pressure relief cylinder 303 through a pressure spring 304. The outer side of the upper end of the pressure relief cylinder 303 is connected to the gas storage box 310 through a pressure relief guide pipe 309. Excess gas is guided to the gas storage box 310 for safe storage through the pressure relief guide pipe 309. A one-way pressure relief valve 308 is provided on the pressure relief guide pipe 309 to control the one-way discharge of gas;

[0030] During use, when the internal pressure of the equipment is too high, the piston plate 302, under the action of the gas pressure, compresses the pressure spring 304 in the pressure relief cylinder 303 to move upward away from the pressure relief connecting hole 301, and the piston rod 305 slides upward at the same time driven by the piston plate 302. At this time, the scale on the surface of the piston rod 305 begins to change. The change in air pressure in the equipment can be understood by observing the scale until the piston plate 302 moves upward beyond the position of the pressure relief drain pipe 309, thereby discharging excess natural gas into the gas storage box 310 through the pressure relief drain pipe 309. The pressure relief valve 308 on the pressure relief drain pipe 309 is used to control the one-way discharge of gas. When the pressure stabilizes, the piston plate 302 returns to the origin under the action of the pressure spring 304.

[0031] In one embodiment, Figure 3 As shown, an alarm 307 is also provided above the piston rod 305, the trigger end at the bottom of the alarm 307 corresponds to the top of the piston rod 305, and a mesh loudspeaker is provided on the alarm 307 to increase the warning effect on the operator, and the alarm 307 is connected and fixed to the pressure relief cylinder 303 through a support rod 306;

[0032] During use, when the device is in a pressure relief state, the top end of the piston rod 305 contacts the bottom of the alarm 307, triggering the trigger end to alarm, thus giving a warning to the operator.

[0033] The above embodiment discloses a liquefied natural gas gasification device. When in use, the device is moved to a desired position by using a roller 205, and the height of the device is adjusted by adjusting the lifting push rod 203. When the device is working, the liquid supply pipe 105 passes through the gasification tank body 100 to provide liquefied natural gas into the spiral conduit 104. Under the drainage effect of the spiral conduit 104, the liquefied natural gas makes a spiral upward motion in the heating box 106 and absorbs heat to gasify. The annular heater 103 heats the heating liquid to provide heat. The gasified natural gas then enters the upper space of the gasification tank body 100 through the spiral conduit 104. The gasified natural gas is then introduced into the storage or use device through the exhaust pipe 102. When the internal pressure of the device is too high, the pressure relief component 200 starts to work, and the piston plate 30 Under the action of gas pressure, the pressure spring 304 is compressed in the pressure relief cylinder 303 and moves upward away from the pressure relief connection hole 301. The piston rod 305 slides upward at the same time driven by the piston plate 302. At this time, the scale on the surface of the piston rod 305 begins to change. By observing the scale, the change of gas pressure in the equipment can be understood until the piston plate 302 moves upward and exceeds the position of the pressure relief guide pipe 309. At this time, the top of the piston rod 305 hits the bottom of the alarm 307, triggering an alarm to alert the staff. At the same time, excessive natural gas is discharged into the gas storage box 310 through the pressure relief guide pipe 309. The pressure relief valve 308 on the pressure relief guide pipe 309 is used to control the one-way discharge of gas. When the pressure is stable, the piston plate 302 returns to the original point under the action of the pressure spring 304.

[0034] In the utility model, the excess gas inside the equipment is discharged by using the pressure relief component 300, so as to maintain the internal air pressure of the equipment stable. At the same time, the alarm 307 is triggered to alarm during the pressure relief to warn the staff, thereby achieving the purpose of safe production and solving the problems raised in the above-mentioned background technology.

[0035] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A liquefied natural gas gasification device, comprising: A vaporizer body (100), wherein a liquid supply pipe (105) is inserted through the bottom of one side of the vaporizer body (100), one end of the liquid supply pipe (105) is connected to a drainage component in a heating box (106), the heating box (106) is located at the lower inner part of the vaporizer body (100), the heating box (106) is filled with heating liquid, and a ring heater (103) is installed at the bottom of the heating box (106); It is characterized in that a partition is provided above the heating box (106) to divide the gasification tank body (100) into two spaces, an exhaust pipe (102) is fixedly installed on one side of the upper space of the gasification tank body (100), and a one-way exhaust safety valve (101) is provided on the exhaust pipe (102) near the gasification tank body, a support assembly (200) is installed below the gasification tank body (100), and a pressure relief assembly (300) is installed at the center of the top of the gasification tank body (100).

2. A liquefied natural gas gasification device according to claim 1, characterized in that: The drainage component is a spiral conduit (104), and the spiral conduit (104) is spirally connected upwardly to the upper space of the gasification tank body (100) in the heating box (106).

3. The liquefied natural gas gasification equipment according to claim 1, characterized in that: The support assembly (200) comprises a leg rod (201), a support sleeve (202), a lifting push rod (203), a support plate (204) and a roller (205). The leg rods (201) are provided in plurality and are distributed at the lower end of the gasification tank body (100). A support sleeve (202) is slidably sleeved on the lower end of each leg rod (201). The lower end of the support sleeve (202) is fixedly connected to the top of the support plate (204). The middle position of the bottom of the gasification tank body (100) is fixedly connected to the output end of the lifting push rod (203). The bottom of the lifting push rod (203) is connected to the upper end of the support plate (204). The bottom of the support plate (204) is provided with a plurality of rollers (205).

4. The liquefied natural gas gasification equipment according to claim 1, characterized in that: The pressure relief assembly (300) comprises a pressure relief connection hole (301), a piston plate (302), a pressure relief cylinder (303), a pressure spring (304), a piston rod (305), a pressure relief valve (308), a pressure relief drain pipe (309) and a gas storage box (310). The pressure relief cylinder (303) is arranged on the top of the gasification tank body (100) and is connected to the gasification tank body (100) through the pressure relief connection hole (301). The pressure relief connection hole (301) is opened at the center of the top of the gasification tank body (100). A piston plate (302) is slidably provided inside the cylinder (303), and a piston rod (305) is fixedly connected to the upper end of the piston plate (302). The upper end of the piston rod (305) passes through the top of the pressure relief cylinder (303). The upper end of the piston plate (302) is connected to the top of the pressure relief cylinder (303) through a pressure spring (304). The outer side of the upper end of the pressure relief cylinder (303) is connected to the gas storage box (310) through a pressure relief pipe (309), and a one-way pressure relief valve (308) is provided on the pressure relief pipe (309).

5. A liquefied natural gas gasification device according to claim 4, characterized in that: The surface of the piston rod (305) is provided with a scale bar.

6. A liquefied natural gas gasification device according to claim 4, characterized in that: An alarm (307) is also provided above the piston rod (305), and the trigger end at the bottom of the alarm (307) corresponds to the top of the piston rod (305). The alarm (307) is connected and fixed to the pressure relief cylinder (303) via a support rod (306).

7. A liquefied natural gas gasification device according to claim 4, characterized in that: A sealing ring is provided on the outer side of the piston plate (302).

8. The liquefied natural gas gasification equipment according to claim 6, characterized in that: The alarm (307) is provided with a mesh loudspeaker.

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