Refrigeration buffer tank for liquefied natural gas production

Abstract

The utility model belongs to the technical field of liquefied natural gas production, and particularly relates to a refrigeration buffer tank for liquefied natural gas production, which comprises a tank body, a support is mounted at the bottom of the tank body, a liquid discharge pipe is connected to the bottom of the tank body, and an auxiliary support component is arranged at the bottom of the tank body. And a clamping assembly is arranged at the bottom of the tank body. According to the pipeline supporting device, the threaded rod is rotated, due to the fact that the threaded rod is in threaded connection with the connecting plate, at the moment, the connecting block can ascend and descend between the two L-shaped connecting frames under the action of the connecting sleeve, then the supporting block is adjusted to the proper height according to needs, and then an external pipeline can be erected on the supporting block; and therefore, an external pipeline extending into the tank body can be supported, and the butt joint efficiency between the pipelines is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of liquefied natural gas production, and in particular relates to a refrigeration buffer tank used for liquefied natural gas production. Background Art

[0002] Buffer tanks are mainly used to buffer pressure fluctuations in various systems to make the system work more smoothly. The buffer performance of the buffer tank is mainly achieved by compressing the compressed air in the tank. There are two types of buffer tanks: diaphragm buffer tanks and airbag buffer tanks, which are widely used in water supply equipment and central air conditioning systems.

[0003] At present, during the use of existing refrigeration buffer tanks, in order to facilitate the discharge of liquid, a liquid discharge pipe and a connecting flange are usually set at the bottom of the tank body. However, during the process of docking with the external pipe, one end of the external pipe needs to be extended into the bottom of the tank. When one end of the external pipe is extended into the bottom of the tank, due to the small bottom space, it will cause the staff to support the external pipe while performing the docking operation, which is very inconvenient, thereby affecting the docking efficiency between the pipes. Utility Model Content

[0004] The utility model aims to provide a refrigeration buffer tank for liquefied natural gas production, aiming to solve the problem in the prior art that, during the use of the existing refrigeration buffer tank, in order to facilitate the discharge of liquid, a liquid discharge pipe and a connecting flange are usually arranged at the bottom of the tank body, but in the process of docking the pipe with the external pipe, one end of the external pipe needs to be extended into the bottom of the tank, and when one end of the external pipe is extended into the bottom of the tank, due to the small bottom space, it will cause the staff to support the external pipe while performing the docking operation, which is very inconvenient, thereby affecting the docking efficiency between the pipes.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a refrigeration buffer tank for liquefied natural gas production, comprising a tank body, a bracket is installed at the bottom of the tank body, a liquid discharge pipe is connected to the bottom of the tank body, an auxiliary support assembly is arranged at the bottom of the tank body, and a clamping assembly is arranged at the bottom of the tank body;

[0006] The auxiliary support assembly includes a fixing sleeve, an L-shaped connecting frame, a connecting plate, a threaded rod, a connecting block, a supporting block and a connecting sleeve. The fixing sleeve is fixedly connected to the bottom of the tank body, one end of the L-shaped connecting frame is inserted into the interior of the fixing sleeve, the connecting plate is fixedly connected to one end of the L-shaped connecting frame, one end of the threaded rod is threadedly inserted into the surface of the connecting plate, the connecting block is rotatably connected to one end of the threaded rod, the supporting block is fixedly connected to the top of the connecting block, and the connecting sleeve is fixedly connected to the end of the connecting block.

[0007] As a preferred embodiment of the utility model for a refrigeration buffer tank used for liquefied natural gas production, two of each of the fixing sleeve and the L-shaped connecting frame are provided.

[0008] As a preferred embodiment of the utility model for a refrigeration buffer tank used for liquefied natural gas production, the connecting sleeve is sleeved on the outer wall of the L-shaped connecting frame.

[0009] As a preferred embodiment of the refrigeration buffer tank for liquefied natural gas production of the utility model, the top of the support block is a curved surface.

[0010] As a preferred refrigeration buffer tank for liquefied natural gas production of the utility model, the locking assembly includes a connecting seat, a spring, a moving block, a locking block, a shifting block and a slot, the connecting seat is fixedly connected to the outer wall of the fixed sleeve, the spring is arranged inside the connecting seat, the moving block is connected to the end of the spring, the locking block is fixedly connected to one end of the moving block, the shifting block is fixedly connected to the bottom of the moving block, and the slot is opened at one end of the L-shaped connecting frame.

[0011] As a preferred embodiment of the refrigeration buffer tank for liquefied natural gas production of the utility model, one end of the clamping block extends through and into the interior of the fixing sleeve.

[0012] As a preferred embodiment of the utility model for a refrigeration buffer tank used for liquefied natural gas production, the fixing sleeve forms an elastic snap-fit ​​structure with the L-shaped connecting frame through a snap-fit ​​assembly.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Through the setting of the auxiliary support assembly, when it is necessary to connect the external pipeline with the liquid discharge pipe at the bottom of the tank body, by rotating the threaded rod, the threaded rod and the connecting plate are threadedly connected. At this time, the connecting block will be lifted and moved between the two L-shaped connecting frames under the action of the connecting sleeve. Then, after adjusting the support block to a suitable height as needed, the external pipeline can be erected on the support block, thereby supporting the external pipeline extending into the tank body, thereby improving the docking efficiency between the pipelines.

[0015] 2. Through the elastic locking structure between the fixing sleeve and the L-shaped connecting frame, after the two blocks are pushed toward each other to disengage the card block from the card slot, the staff can pull the L-shaped connecting frame out of the fixing sleeve, thereby realizing convenient disassembly of the auxiliary support assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model when viewed from above;

[0020] Figure 4 This is a schematic diagram of the auxiliary support assembly structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the enlarged structure of A of the utility model.

[0022] In the figure: 1. tank body; 2. bracket; 3. liquid discharge pipe; 4. fixing sleeve; 5. L-shaped connecting frame; 6. connecting plate; 7. threaded rod; 8. connecting block; 9. supporting block; 10. connecting sleeve; 11. connecting seat; 12. spring; 13. moving block; 14. clamping block; 15. shifting block; 16. clamping slot. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 , the utility model provides the following technical solutions: a refrigeration buffer tank for liquefied natural gas production, comprising a tank body 1, a bracket 2 is installed at the bottom of the tank body 1, a liquid discharge pipe 3 is connected to the bottom of the tank body 1, an auxiliary support assembly is arranged at the bottom of the tank body 1, and a clamping assembly is arranged at the bottom of the tank body 1;

[0025] The auxiliary support assembly includes a fixing sleeve 4, an L-shaped connecting frame 5, a connecting plate 6, a threaded rod 7, a connecting block 8, a supporting block 9 and a connecting sleeve 10. The fixing sleeve 4 is fixedly connected to the bottom of the tank body 1, one end of the L-shaped connecting frame 5 is inserted into the interior of the fixing sleeve 4, the connecting plate 6 is fixedly connected to one end of the L-shaped connecting frame 5, one end of the threaded rod 7 is threadedly penetrated through the surface of the connecting plate 6, the connecting block 8 is rotatably connected to one end of the threaded rod 7, the supporting block 9 is fixedly connected to the top of the connecting block 8, and the connecting sleeve 10 is fixedly connected to the end of the connecting block 8;

[0026] It should be noted that the inner dimensions of the L-shaped connecting frame 5 and the fixing sleeve 4 are adapted to each other, the threaded rod 7 and the connecting block 8 form a rotating connection structure through a bearing, and the connecting sleeve 10 plays a guiding role in the process of rotating the threaded rod 7 to drive the connecting block 8 to rise and fall.

[0027] Preferably, two fixing sleeves 4 and two L-shaped connecting frames 5 are provided, the connecting sleeve 10 is sleeved on the outer wall of the L-shaped connecting frame 5, and the top of the supporting block 9 is an arc surface;

[0028] It is worth noting that the support block 9 with the top arc surface can prevent rolling when the external pipeline is installed.

[0029] During specific use, by rotating the threaded rod 7, since the threaded rod 7 and the connecting plate 6 are threadedly connected, the connecting block 8 will be lifted and moved between the two L-shaped connecting frames 5 according to the action of the connecting sleeve 10. Then, after the support block 9 is adjusted to a suitable height as needed, the external pipeline can be erected on the support block 9, thereby supporting the external pipeline extending into the tank body 1.

[0030] Preferably: the locking assembly includes a connecting seat 11, a spring 12, a moving block 13, a locking block 14, a shifting block 15 and a locking groove 16, the connecting seat 11 is fixedly connected to the outer wall of the fixed sleeve 4, the spring 12 is arranged inside the connecting seat 11, the moving block 13 is connected to the end of the spring 12, the locking block 14 is fixedly connected to one end of the moving block 13, the shifting block 15 is fixedly connected to the bottom of the moving block 13, the locking groove 16 is opened at one end of the L-shaped connecting frame 5, one end of the locking block 14 extends through and into the interior of the fixed sleeve 4, and the fixed sleeve 4 forms an elastic locking structure with the L-shaped connecting frame 5 through the locking assembly.

[0031] When in use, by moving the two shifting blocks 15 toward each other to disengage the clamping block 14 from the clamping slot 16, the staff can then pull the L-shaped connecting frame 5 out of the fixing sleeve 4, thereby realizing convenient disassembly of the auxiliary support assembly;

[0032] On the contrary, when installing the auxiliary support assembly, the two shifting blocks 15 are shifted toward each other to shrink the card block 14, and then the two L-shaped connecting frames 5 are respectively inserted into a fixing sleeve 4. After the L-shaped connecting frame 5 is fully inserted, the shifting block 15 is released. At this time, the card block 14 will be reset and inserted into the card slot 16 under the action of the spring 12, and the installation is completed.

[0033] Working principle: When using the refrigeration buffer tank for liquefied natural gas production, first, a refrigeration buffer tank for liquefied natural gas production is assembled through the tank body 1, the bracket 2, the liquid discharge pipe 3, the auxiliary support assembly and the clamping assembly. When the external pipeline needs to be docked with the liquid discharge pipe 3 at the bottom of the tank body 1, by rotating the threaded rod 7, since the threaded rod 7 and the connecting plate 6 are threadedly connected, the connecting block 8 will be lifted and moved between the two L-shaped connecting frames 5 under the action of the connecting sleeve 10, and then the support block 9 can be adjusted to a suitable height as needed, and the external pipeline can be erected on the support block 9, so that it can support the external pipeline extending into the tank body 1, thereby improving the docking efficiency between the pipelines, and after the two blocks 15 are pushed toward each other to disengage the clamping block 14 from the clamping groove 16, the staff can pull the L-shaped connecting frame 5 out of the fixing sleeve 4, thereby realizing the convenient disassembly of the auxiliary support assembly.

[0034] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A refrigeration buffer tank for liquefied natural gas production, comprising a tank body (1), characterized in that: A bracket (2) is installed at the bottom of the tank body (1), a liquid discharge pipe (3) is connected to the bottom of the tank body (1), an auxiliary support component is provided at the bottom of the tank body (1), and a snap-fit ​​component is provided at the bottom of the tank body (1); The auxiliary support assembly comprises a fixing sleeve (4), an L-shaped connecting frame (5), a connecting plate (6), a threaded rod (7), a connecting block (8), a supporting block (9) and a connecting sleeve (10); the fixing sleeve (4) is fixedly connected to the bottom of the tank body (1); one end of the L-shaped connecting frame (5) is inserted into the interior of the fixing sleeve (4); the connecting plate (6) is fixedly connected to one end of the L-shaped connecting frame (5); one end of the threaded rod (7) is threadedly inserted into the surface of the connecting plate (6); the connecting block (8) is rotatably connected to one end of the threaded rod (7); the supporting block (9) is fixedly connected to the top of the connecting block (8); and the connecting sleeve (10) is fixedly connected to the end of the connecting block (8).

2. A refrigeration buffer tank for liquefied natural gas production according to claim 1, characterized in that: Two of each of the fixing sleeves (4) and the L-shaped connecting frame (5) are provided.

3. A refrigeration buffer tank for liquefied natural gas production according to claim 1, characterized in that: The connecting sleeve (10) is sleeved on the outer wall of the L-shaped connecting frame (5).

4. A refrigeration buffer tank for liquefied natural gas production according to claim 1, characterized in that: The top of the support block (9) is a curved surface.

5. The refrigeration buffer tank for liquefied natural gas production according to claim 1, characterized in that: The engaging assembly comprises a connecting seat (11), a spring (12), a moving block (13), a clamping block (14), a shifting block (15) and a clamping slot (16); the connecting seat (11) is fixedly connected to the outer wall of the fixing sleeve (4); the spring (12) is arranged inside the connecting seat (11); the moving block (13) is connected to the end of the spring (12); the clamping block (14) is fixedly connected to one end of the moving block (13); the shifting block (15) is fixedly connected to the bottom of the moving block (13); and the clamping slot (16) is opened at one end of the L-shaped connecting frame (5).

6. A refrigeration buffer tank for liquefied natural gas production according to claim 5, characterized in that: One end of the clamping block (14) extends through and into the interior of the fixing sleeve (4).

7. The refrigeration buffer tank for liquefied natural gas production according to claim 5, characterized in that: The fixing sleeve (4) forms an elastic snap-fit ​​structure with the L-shaped connecting frame (5) through a snap-fit ​​assembly.

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