Vacuumizing device for LNG (Liquefied Natural Gas) cylinder

Abstract

The utility model belongs to the field of LNG (liquefied natural gas) cylinders, particularly relates to an LNG cylinder vacuumizing device, and aims to solve the problems that the existing gas cylinder is small in placing space, difficult to place, large in heating space and affects heating efficiency, and adopts the technical scheme that the LNG cylinder vacuumizing device comprises a box body, a box door is hinged to one side of the box body, and a first slide way is formed in the bottom of the box body; a sliding plate is slidably connected in the first slide way, a base for placing the gas cylinder is fixedly connected to the surface of the sliding plate, an arc-shaped inner frame is fixedly connected to one side of the base, and a second slide way is formed in one side of the inner frame. Meanwhile, the outer frame and the inner frame can be taken out, then the gas cylinder can be conveniently placed in the base, after the equipment is used, an insertion plate and a control valve are opened, a fan is started, then air is blown into the box body, the heat dissipation speed in the box body is increased, and the gas cylinder can be conveniently taken out.

Description

TECHNICAL FIELD

[0001] The utility model relates to LNG gas cylinder technical field especially relates to LNG gas cylinder vacuumizing device. BACKGROUND

[0002] The halo LNG gas cylinder vacuumizing technology is the key process in the liquefied natural gas (LNG) storage and transportation field, is mainly used for improving the heat insulation performance of the gas cylinder, forms the high vacuum environment through the vacuumizing and discharging the air in the interlayer, thereby effectively reduces the heat transfer, ensures the stable storage of LNG under the low temperature state.

[0003] Through the search, the announcement number for CN219061928U discloses a kind of in after-sales LNG gas cylinder bottle body heating and vacuumizing device, the above-mentioned device when in use, although heating effect is good, gas cylinder is placed small, and it is difficult to place, while heating space is big, influence heating efficiency, for this, LNG gas cylinder vacuumizing device is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings of small bottle placement space, difficult to place, and large heating space in the prior art, and proposes LNG gas cylinder vacuumizing device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] LNG gas cylinder vacuumizing device, including box, the side of box is hinged with box door, the bottom of box is equipped with first slide, first slide is slidably connected with slide plate, the surface of slide plate is fixedly connected with the base for placing gas cylinder, the side of base is fixedly connected with arc-shaped inner frame, the side of inner frame is equipped with second slide, the side of second slide is slidably connected with outer frame, and the outer frame is closed with the inner frame to form cylindrical shape for heat preservation of gas cylinder, the inner wall of outer frame and inner frame is equipped with a plurality of installation ports, and the installation port is fixedly connected with heating wire in the installation port.

[0007] Vacuumizing mechanism, the vacuumizing mechanism is arranged on the side of box for extracting air in gas cylinder;

[0008] Clamping assembly, the clamping assembly is arranged on the side of outer frame for clamping gas cylinder.

[0009] As a further scheme of the utility model, the vacuumizing mechanism includes vacuum pump fixed on the outer wall of the side of box, the air extraction end of vacuum pump is fixedly connected with air extraction pipe, and the one end of air extraction pipe penetrates through box and is fixedly connected with connecting head for connecting gas cylinder.

[0010] As a further scheme of the utility model, the outer wall of the side of box is fixedly connected with protection frame, and the vacuum pump is located in protection frame.

[0011] As a further embodiment of this utility model, the clamping assembly includes a threaded rod with threads passing through one side of the outer frame, and a clamping plate rotatably connected to one end of the threaded rod, the clamping plate being located on one side of the second slide rail.

[0012] As a further improvement of this invention, the bottom of the skateboard is fixedly equipped with rollers for supporting the skateboard.

[0013] As a further embodiment of this utility model, a through mounting frame is fixedly connected to one side of the housing, a fan is fixedly connected inside the mounting frame, a through insert plate is inserted into one side of the mounting frame for sealing the mounting frame, an air outlet pipe is fixedly connected to one side of the housing, and a control valve is fixedly connected to one end of the air outlet pipe.

[0014] As a further improvement of this utility model, the inner frame and the outer frame are provided with clearance openings on opposite sides.

[0015] In this application, during use, the cabinet door is opened, the sliding plate is pulled out, and the gas cylinder to be evacuated is placed in the base using the hoisting equipment. Then, the outer frame is rotated so that the outer and inner frames cover the gas cylinder. The threaded rod is rotated, and the threaded rod drives the clamping plate to fix and hold the gas cylinder. Then, the sliding plate is reset and connected to the gas cylinder through the connector. After connection, the cabinet door is closed, and the heating wire is activated to heat the gas cylinder. The cooperation between the outer and inner frames increases the heating effect and efficiency of the gas cylinder, making it convenient to use. Then, the vacuum pump is activated to evacuate the gas cylinder. After the equipment is used, the insert plate and control valve are opened, and the fan is activated to blow air into the cabinet, improving the heat dissipation speed inside the cabinet and making it easy to remove the gas cylinder.

[0016] Beneficial effects: In this utility model, the LNG cylinder vacuum device, through the cooperation of the outer frame and the inner frame, allows the cylinder to be shielded when heated, increasing the heating effect and efficiency of the cylinder, and making it convenient to use. At the same time, the outer frame and the inner frame can be removed, making it convenient to put the cylinder into the base.

[0017] In this utility model, the LNG cylinder vacuuming device, through the combined use of a fan and an outlet pipe, allows the device to open the plug and control valve after use, start the fan, and then blow air into the box to improve the heat dissipation speed inside the box, making it easier to remove the cylinder.

[0018] In this invention, the gas cylinder can be shielded during heating, increasing the heating effect and efficiency, and making it convenient to use. At the same time, the outer and inner frames can be removed, making it easy to place the gas cylinder into the base. After the equipment is used, the plug plate and control valve are opened, and the fan is started to blow air into the box, improving the heat dissipation speed inside the box and making it easy to remove the gas cylinder. Attached Figure Description

[0019] Fig. 1 This is a three-dimensional structural diagram of the LNG cylinder vacuum pumping device proposed in this utility model from a first perspective.

[0020] Fig. 2 This is a two-dimensional structural schematic diagram of the LNG cylinder vacuum pumping device proposed in this utility model from a second perspective.

[0021] Fig. 3 This is a cross-sectional structural diagram of the LNG cylinder vacuum pumping device proposed in this utility model.

[0022] In the diagram: 1. Housing; 2. Vacuum pump; 3. Protective frame; 4. Exhaust pipe; 5. Mounting frame; 6. Fan; 7. Insert plate; 8. Exhaust pipe; 9. Slide plate; 10. Base; 11. Inner frame; 12. Second slide rail; 13. Outer frame; 14. Threaded rod; 15. Clamping plate; 16. Clearance opening; 17. Connector; 18. Mounting port; 19. Heating wire; 20. Roller; 21. Door. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example 1, referring to Figs. 1-3 The vacuum device includes: a housing 1, with multiple casters fixedly installed on the bottom for movement and handles installed on the sides for easy movement; a door 21 hinged to one side of the housing 1; a first slide rail on the bottom of the housing 1, with a sliding plate 9 slidably connected within the first slide rail; a base 10 for placing gas cylinders fixedly connected to the surface of the sliding plate 9; the sliding plate 9 can be pulled out to facilitate placing the gas cylinders onto the base 10; and a through-hole set screw can be threaded onto the side of the sliding plate 9. After the sliding plate 9 is placed into the housing 1, the sliding plate 9 is... The base 10 is fixedly connected to one side of an arc-shaped inner frame 11. A second slide rail 12 is provided on one side of the inner frame 11. An outer frame 13 is slidably connected to one side of the second slide rail 12. When the outer frame 13 and the inner frame 11 are closed, they form a cylindrical shape for heat preservation of the gas cylinder. Multiple mounting ports 18 are provided on the inner walls of both the outer frame 13 and the inner frame 11. A heating wire 19 is fixedly connected to each mounting port 18. The heating wire 19 is activated to heat the gas cylinder. The cooperation between the outer frame 13 and the inner frame 11 increases the heating effect and efficiency of the gas cylinder, making it convenient to use.

[0025] A vacuuming mechanism is installed on one side of the housing 1 to extract air from the gas cylinder.

[0026] A clamping assembly is provided on one side of the outer frame 13 for clamping the gas cylinder.

[0027] This application can be used in the field of LNG cylinders, or in other fields applicable to this application.

[0028] Example 2, Reference Figs. 1-3 An improved LNG cylinder vacuum device was developed based on Example 1 and applied to the field of LNG cylinders.

[0029] In this utility model, the vacuuming mechanism includes a vacuum pump 2 fixed to the outer wall of one side of the housing 1. The vacuum pump 2 is fixedly connected to an exhaust pipe 4. One end of the exhaust pipe 4 passes through the housing 1 and is fixedly connected to a connector 17 for connecting a gas cylinder. The connector 17 is a flange-type stainless steel corrugated pipe. The gas cylinder is connected through the connector 17, and the vacuum pump 2 is started to evacuate the gas cylinder.

[0030] In particular, a protective frame 3 is fixedly connected to one side of the outer wall of the housing 1, and the vacuum pump 2 is located inside the protective frame 3. The protective frame 3 is used to protect the vacuum pump 2.

[0031] It should be noted that the clamping assembly includes a threaded rod 14, which is threaded through one side of the outer frame 13. One end of the threaded rod 14 is rotatably connected to a clamping plate 15, which is located on one side of the second slide rail 12. When the threaded rod 14 is rotated, the threaded rod 14 drives the clamping plate 15 to fix and clamp the gas cylinder.

[0032] In this utility model, the bottom of the skateboard 9 is fixedly equipped with rollers 20 for supporting the skateboard 9, and the skateboard 9 can be moved conveniently by the rollers 20.

[0033] In particular, a through mounting frame 5 is fixedly connected to one side of the housing 1, and a fan 6 is fixedly connected inside the mounting frame 5. A through insert plate 7 is inserted into one side of the mounting frame 5 to close the mounting frame 5. An air outlet pipe 8 is fixedly connected to one side of the housing 1, and a control valve is fixed to one end of the air outlet pipe 8. After the equipment is used, the insert plate 7 and the control valve are opened, and the fan 6 is started to blow air into the housing 1, thereby improving the heat dissipation speed inside the housing 1 and making it easier to remove the gas cylinder.

[0034] It should be noted that the inner frame 11 and the outer frame 13 are provided with a clearance opening 16 on opposite sides. The clearance opening 16 facilitates the connection between the connector 17 and the gas cylinder.

[0035] However, as is well known to those skilled in the art, the working principles and wiring methods of the vacuum pump 2, heating wire 19 and fan 6 are commonplace and are all conventional methods or common knowledge, so they will not be described in detail here. Those skilled in the art can make any selections according to their needs or convenience.

[0036] The accompanying drawings in this application are for illustrative purposes only. The dimensions and shapes of the components shown are not actual limitations but are merely schematic representations. In actual implementation, the components can be reasonably configured and adjusted according to specific needs and actual conditions.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An LNG cylinder vacuuming device, comprising a housing (1), wherein a door (21) is hinged to one side of the housing (1), characterized in that, The bottom of the box (1) is provided with a first slide rail, and a slide plate (9) is slidably connected in the first slide rail. A base (10) for placing gas cylinders is fixedly connected to the surface of the slide plate (9). An arc-shaped inner frame (11) is fixedly connected to one side of the base (10). A second slide rail (12) is provided on one side of the inner frame (11). An outer frame (13) is slidably connected to one side of the second slide rail (12). When the outer frame (13) and the inner frame (11) are closed, they form a cylindrical shape for heat preservation of the gas cylinder. Multiple installation ports (18) are provided on the inner walls of the outer frame (13) and the inner frame (11). Heating wires (19) are fixedly connected in each installation port (18). A vacuuming mechanism is provided on one side of the housing (1) for extracting air from the gas cylinder; A clamping assembly is provided on one side of the outer frame (13) for clamping the gas cylinder.

2. The LNG cylinder vacuuming device according to claim 1, characterized in that, The vacuuming mechanism includes a vacuum pump (2) fixed to the outer wall of one side of the housing (1). The vacuum pump (2) is fixedly connected to an exhaust pipe (4). One end of the exhaust pipe (4) passes through the housing (1) and is fixedly connected to a connector (17) for connecting a gas cylinder.

3. The LNG cylinder vacuuming device according to claim 2, characterized in that, A protective frame (3) is fixedly connected to one side of the outer wall of the housing (1), and the vacuum pump (2) is located inside the protective frame (3).

4. The LNG cylinder vacuuming device according to claim 1, characterized in that, The clamping assembly includes a threaded rod (14) with threads passing through one side of the outer frame (13). One end of the threaded rod (14) is rotatably connected to a clamping plate (15), which is located on one side of the second slide rail (12).

5. The LNG cylinder vacuuming device according to claim 1, characterized in that, The bottom of the skateboard (9) is fixedly equipped with rollers (20) for supporting the skateboard (9).

6. The LNG cylinder vacuuming device according to claim 1, characterized in that, A through mounting frame (5) is fixedly connected to one side of the housing (1), and a fan (6) is fixedly connected inside the mounting frame (5). A through insert plate (7) is inserted into one side of the mounting frame (5) to close the mounting frame (5). An air outlet pipe (8) is fixedly connected to one side of the housing (1), and a control valve is fixed at one end of the air outlet pipe (8).

7. The LNG cylinder vacuuming device according to claim 1, characterized in that, The inner frame (11) and the outer frame (13) are provided with clearance openings (16) on opposite sides.

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