A liquefied natural gas cold energy recycling device

By designing multi-device access and real-time monitoring functions suitable for liquefied natural gas cold energy recovery and utilization devices, the applicability and safety issues of existing devices have been solved, realizing multi-device cold energy distribution and convenient filter replacement, thereby improving the applicability and safety of the device.

CN224365124UActive Publication Date: 2026-06-16BEIJING HONGKE QINGNENG TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING HONGKE QINGNENG TECH CO LTD
Filing Date
2025-08-08
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing liquefied natural gas cold energy recovery and utilization devices are not convenient to connect to multiple sets of equipment, and lack safety monitoring and convenient filter replacement functions.

Method used

A device comprising a base, a cooling box, a storage chamber, a recovery box, and a distribution pipe was designed. It is equipped with a gas leak sensor, a temperature sensor, and a display, enabling multiple devices to be connected. The device distributes cold energy through the distribution pipe and features a detachable filter frame structure for easy and quick filter replacement.

Benefits of technology

It enables the simultaneous use of multiple devices, enhancing safety and convenience. Real-time monitoring and quick filter replacement improve the applicability and safety of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to liquefied natural cold energy recycling technical field discloses a kind of cold energy recycling devices for liquefied natural, including base and cooling box, the top of the base is fixedly connected with cooling box, the inside of the base is provided with reservation cavity and storage cavity, cooling assembly is installed in the inside of the reservation cavity, the left side fixedly connected with recovery tank in the top of the cooling box, the top of the recovery tank is provided with top cover, the left side fixedly connected with air inlet in the top of the top cover.The cold energy recycling device for liquefied natural is provided with exhaust pipe, second valve, fixed pipe, shunt pipe, can be connected with shunt pipe and external pipe body, open second valve, can be injected in the equipment required for use after the cold energy of recycling respectively through shunt pipe, so that it is convenient for multiple sets of equipment to use simultaneously, more applicable, solve the problem of not being convenient for accessing multiple sets of equipment for use after recycling.
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Description

Technical Field

[0001] This utility model relates to the field of cold energy recovery and utilization technology of liquefied natural gas, specifically a cold energy recovery and utilization device for liquefied natural gas. Background Technology

[0002] The liquefied natural gas (LNG) cold energy recovery and utilization device is a device that recovers the cold energy released during the LNG gasification process to achieve energy conservation, emission reduction and resource reuse. Its core is that the cold energy can be used for refrigeration, cold storage or industrial cooling, avoiding direct emissions that would waste resources.

[0003] The existing design of the liquefied natural gas cold energy recovery and utilization device is not convenient for connecting multiple sets of equipment after recovery, making it unsuitable. Therefore, its structure needs to be improved.

[0004] Now, a novel cold energy recovery and utilization device for liquefied natural gas is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a device for recovering and utilizing cold energy from liquefied natural gas, in order to solve the problem mentioned in the background art that it is inconvenient to connect multiple sets of equipment after recovery.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a cold energy recovery and utilization device for liquefied natural gas, comprising a base and a cooling box. The cooling box is fixedly connected to the top of the base. The base has a reserved cavity and a storage cavity inside. A cooling component is installed inside the reserved cavity. A recovery box is fixedly connected to the left side of the top of the cooling box. A top cover is provided on the top of the recovery box. An air inlet is fixedly connected to the left side of the top of the top cover. A pump body is fixedly installed on the top of the cooling box. An air extraction pipe is fixedly connected to the left side of the pump body. A first valve is fixedly installed on the outside of the air extraction pipe. The bottom end of the air extraction pipe communicates with the inside of the storage cavity. An exhaust pipe is fixedly connected to the right side of the pump body. A second valve is fixedly installed on the outside of the exhaust pipe. A fixed pipe is fixedly connected to one side of the exhaust pipe. A diversion pipe is fixedly connected to one side of the fixed pipe.

[0007] As a further technical solution of this utility model, the diversion pipe is provided in four groups, and the diversion pipes are distributed at equal intervals on one side of the fixed pipe.

[0008] As a further technical solution of this utility model, a display is fixedly installed on the left side of the cooling box, a temperature sensor is fixedly installed on the inner wall of the storage cavity, a warning light is fixedly installed on the right side of the top of the top cover, and a gas leak sensor is fixedly installed on the top inside the top cover.

[0009] As a further technical solution of this utility model, a connecting pipe is fixedly connected to the front end of the recycling bin, and the bottom end of the connecting pipe is connected to the interior of the storage cavity.

[0010] As a further technical solution of this utility model, a fixed frame is fixedly connected to the inner wall of the recycling bin, a filter frame is provided at the top of the fixed frame, a connecting block is fixedly connected to the bottom of the filter frame, a reserved groove is provided inside the fixed frame, and the connecting block is embedded in the reserved groove and is detachable.

[0011] As a further technical solution of this utility model, an air inlet is provided on the left side of the top of the top cover, and a connecting seat is fixedly connected to the bottom of the top cover and the top of the recycling box respectively. A double-headed screw is longitudinally arranged inside the connecting seat, and a locking nut is movably connected to the outside of the double-headed screw.

[0012] Compared with the prior art, the beneficial effects of this utility model are: the liquefied natural gas cold energy recovery and utilization device not only realizes the functions of easy connection to multiple sets of equipment, gas leak early warning and real-time temperature display, but also facilitates the quick installation and removal of the filter screen.

[0013] (1) By setting an exhaust pipe, a second valve, a fixed pipe, and a diversion pipe, the external pipe body can be connected to the diversion pipe. By opening the second valve, the recovered cold energy can be injected into the required equipment through the diversion pipe for use, making it convenient for multiple sets of equipment to be used at the same time and more applicable.

[0014] (2) By setting up a storage chamber, temperature sensor, display, warning light and gas leak sensor, the gas leak sensor can be used to easily sense the incoming gas. If a leak occurs, the warning light can issue a warning. The temperature sensor can be used to easily sense the temperature of the cold air in the storage chamber in real time. The data can be displayed on the display for easy real-time control, which makes recycling safer.

[0015] (3) By setting a fixed frame, a reserved slot, a connecting block and a filter frame, when the filter frame needs to be replaced, the top cover can be opened and the filter frame can be taken out. At this time, the connecting block and the reserved slot can be separated, which facilitates the quick installation and removal of the filter screen and makes the disassembly and assembly more efficient. Attached Figure Description

[0016] Figure 1 This is a frontal cross-sectional view of the present invention.

[0017] Figure 2 This is a top view schematic diagram of the connection between the filter frame and the recycling bin of this utility model;

[0018] Figure 3 This is a front view structural diagram of the connection method between the fixed pipe and the diversion pipe of this utility model;

[0019] Figure 4 This is a front view structural diagram of the connection between the temperature sensor and the storage cavity of this utility model.

[0020] In the diagram: 1. Base; 2. Cooling box; 3. Reserved cavity; 4. Cooling assembly; 5. Storage cavity; 6. Temperature sensor; 7. Display; 8. Connecting pipe; 9. Recycling box; 10. Fixing frame; 11. Reserved slot; 12. Connecting block; 13. Filter frame; 14. Top cover; 15. Air inlet; 16. Warning light; 17. Gas leak sensor; 18. Connecting seat; 19. Double-ended screw; 20. Locking nut; 21. Pump body; 22. Suction pipe; 23. First valve; 24. Exhaust pipe; 25. Second valve; 26. Fixing pipe; 27. Diverter pipe. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 This utility model provides an embodiment of a cold energy recovery and utilization device for liquefied natural gas, including a base 1 and a cooling box 2. The cooling box 2 is fixedly connected to the top of the base 1. The base 1 has a reserved cavity 3 and a storage cavity 5. A cooling component 4 is installed inside the reserved cavity 3. A recovery box 9 is fixedly connected to the left side of the top of the cooling box 2. A top cover 14 is provided at the top of the recovery box 9. An air inlet 15 is fixedly connected to the left side of the top of the top of the top cover 14. A pump body 21 is fixedly installed at the top of the cooling box 2. An air extraction pipe 22 is fixedly connected to the left side of the pump body 21. A first valve 23 is fixedly installed on the outside of the air extraction pipe 22. The bottom end of the air extraction pipe 22 is connected to the inside of the storage cavity 5. An exhaust pipe 24 is fixedly connected to the right side of the pump body 21. A second valve 25 is fixedly installed on the outside of the exhaust pipe 24. A fixed pipe 26 is fixedly connected to one side of the exhaust pipe 24. A diversion pipe 27 is fixedly connected to one side of the fixed pipe 26.

[0023] Four sets of diversion pipes 27 are provided, and the diversion pipes 27 are evenly distributed on one side of the fixed pipe 26;

[0024] Specifically, such as Figure 1 and Figure 3 As shown, the external pipe body can be connected to the diversion pipe 27, and the second valve 25 can be opened to inject the recovered cold energy into the required equipment through the diversion pipe 27 for use, making it convenient for multiple sets of equipment to be used at the same time, and more applicable.

[0025] A display 7 is fixedly installed on the left side of the cooling box 2, a temperature sensor 6 is fixedly installed on the inner wall of the storage cavity 5, a warning light 16 is fixedly installed on the right side of the top of the top cover 14, and a gas leak sensor 17 is fixedly installed on the top inside the top of the top cover 14.

[0026] A connecting pipe 8 is fixedly connected to the front end of the recycling bin 9, and the bottom end of the connecting pipe 8 is connected to the inside of the storage cavity 5.

[0027] Specifically, such as Figure 1 and Figure 4 As shown, the gas leak sensor 17 is used to easily sense the incoming gas. If a leak occurs, the warning light 16 can issue a warning. The temperature sensor 6 is used to easily sense the temperature of the cold air in the storage chamber 5 in real time. The data can be displayed on the display 7 for easy real-time control, which makes recycling safer.

[0028] A fixed frame 10 is fixedly connected to the inner wall of the recycling bin 9. A filter frame 13 is provided at the top of the fixed frame 10. A connecting block 12 is fixedly connected to the bottom of the filter frame 13. A reserved groove 11 is provided inside the fixed frame 10. The connecting block 12 is embedded in the reserved groove 11 and is detachable.

[0029] An air inlet 15 is provided on the left side of the top of the top cover 14. A connecting seat 18 is fixedly connected to the bottom of the top cover 14 and the top of the recycling box 9 respectively. A double-headed screw 19 is longitudinally arranged inside the connecting seat 18. A locking nut 20 is movably connected to the outside of the double-headed screw 19.

[0030] Specifically, such as Figure 1 and Figure 2 As shown, when the filter frame 13 needs to be replaced, the top cover 14 can be opened and the filter frame 13 can be taken out. At this time, the connecting block 12 and the reserved slot 11 can be separated, which facilitates the quick installation and removal of the filter screen and makes the disassembly and assembly more efficient.

[0031] Working principle: When using this utility model, firstly, the gas leak sensor 17 is used to easily sense the incoming gas. If a leak occurs, the warning light 16 can issue an alert. The temperature sensor 6 is used to easily sense the temperature of the cold air in the storage chamber 5 in real time, and the data can be displayed on the display 7 for real-time control, which makes it safer during recycling. Then, the outer pipe body can be connected to the diversion pipe 27, and the second valve 25 can be opened to inject the recovered cold energy into the required equipment through the diversion pipe 27 for use, making it convenient for multiple sets of equipment to be used at the same time, which is more applicable. Finally, when the filter frame 13 needs to be replaced, the top cover 14 can be opened and the filter frame 13 can be taken out. At this time, the connecting block 12 and the reserved slot 11 can be separated, which facilitates the quick installation and removal of the filter screen and makes the disassembly and assembly more efficient.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A device for recovering and utilizing cold energy from liquefied natural gas, comprising a base (1) and a cooling tank (2), characterized in that: A cooling box (2) is fixedly connected to the top of the base (1). The base (1) has a reserved cavity (3) and a storage cavity (5) inside. A cooling assembly (4) is installed inside the reserved cavity (3). A recycling box (9) is fixedly connected to the left side of the top of the cooling box (2). A top cover (14) is provided on the top of the recycling box (9). An air inlet (15) is fixedly connected to the left side of the top of the top of the top cover (14). A pump body (21) is fixedly installed on the top of the cooling box (2). A suction pipe (22) is fixedly connected to the left side of the pump body (21). A first valve (23) is fixedly installed on the outside of the suction pipe (22). The bottom end of the suction pipe (22) is connected to the inside of the storage cavity (5). An exhaust pipe (24) is fixedly connected to the right side of the pump body (21). A second valve (25) is fixedly installed on the outside of the exhaust pipe (24). A fixed pipe (26) is fixedly connected to one side of the exhaust pipe (24). A diversion pipe (27) is fixedly connected to one side of the fixed pipe (26).

2. The cold energy recovery and utilization device for liquefied natural gas as described in claim 1, characterized in that: The diversion pipe (27) is provided in four groups, and the diversion pipe (27) is distributed at equal intervals on one side of the fixed pipe (26).

3. The cold energy recovery and utilization device for liquefied natural gas as described in claim 1, characterized in that: A display (7) is fixedly installed on the left side of the cooling box (2), a temperature sensor (6) is fixedly installed on the inner wall of the storage cavity (5), a warning light (16) is fixedly installed on the right side of the top of the top cover (14), and a gas leak sensor (17) is fixedly installed on the top inside the top of the top cover (14).

4. The cold energy recovery and utilization device for liquefied natural gas as described in claim 1, characterized in that: The front end of the recycling bin (9) is fixedly connected to a connecting pipe (8), and the bottom end of the connecting pipe (8) is connected to the interior of the storage cavity (5).

5. The cold energy recovery and utilization device for liquefied natural gas as described in claim 1, characterized in that: The inner wall of the recycling bin (9) is fixedly connected to a fixed frame (10), a filter frame (13) is provided at the top of the fixed frame (10), a connecting block (12) is fixedly connected at the bottom of the filter frame (13), a reserved groove (11) is provided inside the fixed frame (10), and the connecting block (12) is embedded in the reserved groove (11) and is detachable.

6. The cold energy recovery and utilization device for liquefied natural gas as described in claim 1, characterized in that: An air inlet (15) is provided on the left side of the top of the top cover (14). A connecting seat (18) is fixedly connected to the bottom of the top cover (14) and the top of the recycling box (9). A double-headed screw (19) is longitudinally arranged inside the connecting seat (18). A locking nut (20) is movably connected to the outside of the double-headed screw (19).