LNG air-temperature vaporizer with defrosting function
Patent Information
- Application Number
- CN202521888207.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-03
- Publication Date
- 2026-08-21
- Estimated Expiration
- 2035-09-03
AI Technical Summary
[0005]针对上述问题,本实用新型的目的在于提出一种具备除霜功能的LNG空温气化器,该具备除霜功能的LNG空温气化器通过电机驱动齿轮齿环传动,带动螺旋刮条沿气化器外壁持续旋转刮霜,配合防水罩引导融霜水流向导水槽,实现持续稳定刮霜,解决了在气化器表面结霜时利用刮板筒移动刮动除霜,无法精确控制除霜时机,当结霜较为牢固时容易导致除霜困难的问题,通过导水槽配合排水泵将融水抽入循环水箱内实现循环利用,解决了刮除后的霜水会流淌至装置底座上,无法及时排出霜水的问题
[0013] The beneficial effects of this utility model are as follows: This utility model uses a motor-driven gear ring transmission to drive a spiral scraper to continuously rotate and scrape frost along the outer wall of the gasifier. With the help of a waterproof cover to guide the defrosting water flow into the water channel, it achieves continuous and stable frost scraping. This solves the problem that when using a scraper to move and scrape to remove frost on the surface of the gasifier, it is impossible to accurately control the timing of defrosting. When the frost is relatively firm, it is easy to make defrosting difficult. By using the water channel and a drainage pump, the defrosting water is pumped into the circulating water tank for recycling. This solves the problem that the frost water after scraping will flow onto the base of the device and cannot be drained in time.
Smart Images

Figure CN224666703U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ambient air vaporizer technology, and in particular to an LNG ambient air vaporizer with defrosting function. Background Technology
[0002] LNG ambient air vaporizers are energy-saving devices that use ambient air as a heat source and achieve liquefied natural gas vaporization through aluminum alloy finned tube heat exchange. Their core structure employs rust-resistant aluminum alloy star-shaped finned tubes, utilizing natural atmospheric convection to absorb heat and completing the liquefied natural gas vaporization process without additional energy consumption. Through optimized technologies such as built-in spiral guide belts and stainless steel liquid suction cores, heat transfer efficiency is improved by 50%-200% compared to traditional designs, with a single unit achieving a vaporization capacity of up to 8000 Nm³. 3 / h, supporting multiple units in parallel to expand production capacity. This equipment is widely used in gas supply, industrial gas processing, LNG satellite stations, and refueling stations, and features environmental protection, energy saving, and low operating costs. However, it is sensitive to ambient temperature, and a backup system is required to ensure stability in low-temperature environments.
[0003] Utility model application No. 202320883500.9 discloses an LNG ambient air vaporizer with automatic defrosting capability. The device base is equipped with a lifting cylinder, a top plate, a scraper cylinder, a casing, and a sleeve. During use, the sleeve encloses the LNG ambient air vaporizer. When moving, it automatically removes frost from the surface of the vaporizer. The casing has an internal threaded groove, and the scraper cylinder has threads on its outer side, facilitating sleeve replacement when wear occurs. Furthermore, the scraper cylinder contains an internal baffle, a protective pad, an external rubber strip, and a limiting baffle. When the scraper cylinder moves, the protective pad protects the LNG ambient air vaporizer, reducing wear.
[0004] However, the aforementioned LNG ambient air vaporizer with automatic defrosting relies on a scraper cylinder to scrape and defrost when frost forms on the vaporizer surface. This makes it difficult to precisely control the defrosting timing, and when the frost is quite solid, it can easily lead to defrosting difficulties. In the aforementioned LNG ambient air vaporizer with automatic defrosting, the sleeve on one side of the scraper cylinder pushes downwards to defrost the surface of the LNG ambient air vaporizer. The frost water after scraping will flow onto the device base and cannot be discharged in time. Therefore, this utility model proposes an LNG ambient air vaporizer with defrosting function to solve the problems existing in the prior art. Utility Model Content
[0005] To address the aforementioned problems, the purpose of this invention is to propose an LNG ambient air vaporizer with a defrosting function. This LNG ambient air vaporizer with defrosting function uses a motor-driven gear ring transmission to drive a spiral scraper to continuously rotate and scrape frost along the outer wall of the vaporizer. In conjunction with a waterproof cover, the defrosting water is guided to a water channel to achieve continuous and stable defrosting. This solves the problem that when using a scraper to move and scrape frost on the vaporizer surface, it is impossible to accurately control the defrosting timing, and when the frost is relatively firm, it is easy to make defrosting difficult. By using a water channel and a drainage pump, the defrosting water is pumped into a circulating water tank for recycling, which solves the problem that the defrosting water will flow onto the device base after being scraped and cannot be drained in time.
[0006] To achieve the purpose of this utility model, the present utility model is implemented through the following technical solution: an LNG ambient temperature vaporizer with defrosting function, including a base, an LNG ambient temperature vaporizer, a spiral rotating defrosting mechanism, a water guiding and drainage mechanism, and a circulating cleaning mechanism. The LNG ambient temperature vaporizer is arranged and fixed on the base. The spiral rotating defrosting mechanism includes a fixed seat, a rotating frame, a waterproof cover, a gear ring, a motor, a gear, and a spiral scraper. The lower end of the LNG ambient temperature vaporizer is fixedly provided with a fixed seat. The rotating frame is rotatably mounted on the fixed seat. The lower end of the rotating frame is fixedly provided with a waterproof cover. The lower end of the rotating frame is fixedly provided with a gear ring. A motor is fixedly mounted on one side of the fixed seat. A gear is fixedly mounted on the output end of the motor. The gear meshes with the gear ring for transmission. A spiral scraper is fixedly mounted inside the rotating frame. The base is provided with a water guiding and drainage mechanism. The base is provided with a circulating cleaning mechanism on one side.
[0007] A further improvement is that the inner side of the spiral scraper rotates in contact with the outer side of the LNG ambient temperature vaporizer.
[0008] A further improvement is that the water guiding and drainage mechanism includes a water guiding channel, a circulating water tank and a drainage pump. The water guiding channel is arranged on the base, the circulating water tank is fixed on one side of the base, the drainage pump is fixed on the other side of the circulating water tank, and the circulating water tank is equipped with a circulating cleaning mechanism.
[0009] A further improvement is that the drainage pump is connected to the water guide channel and the circulating water tank pipes respectively.
[0010] A further improvement is that the circulating cleaning mechanism includes a filter screen, a handle, a water pump, a spray pipe, and cleaning nozzles. The filter screen is placed above the circulating water tank, and the handle is symmetrically fixed on the filter screen. The water pump is fixed on the circulating water tank, and the spray pipe is connected to the water pump. Cleaning nozzles are arranged and fixed below the spray pipe.
[0011] A further improvement is that the water supply pump is connected to the bottom pipe of the circulating water tank, and the circulating water tank has an opening at the top.
[0012] A further improvement is that a drain pipe is connected to one side of the water guide channel, and an on / off valve is fixedly installed on the drain pipe.
[0013] The beneficial effects of this utility model are as follows: This utility model uses a motor-driven gear ring transmission to drive a spiral scraper to continuously rotate and scrape frost along the outer wall of the gasifier. With the help of a waterproof cover to guide the defrosting water flow into the water channel, it achieves continuous and stable frost scraping. This solves the problem that when using a scraper to move and scrape to remove frost on the surface of the gasifier, it is impossible to accurately control the timing of defrosting. When the frost is relatively firm, it is easy to make defrosting difficult. By using the water channel and a drainage pump, the defrosting water is pumped into the circulating water tank for recycling. This solves the problem that the frost water after scraping will flow onto the base of the device and cannot be drained in time. Attached Figure Description
[0014] Figure 1 This is the overall front sectional view of the present invention;
[0015] Figure 2 This is a front sectional view of the circulating water tank of this utility model;
[0016] Figure 3 This is an enlarged schematic diagram of point A of this utility model.
[0017] The components include: 1. Base; 2. LNG ambient temperature vaporizer; 3. Fixed base; 4. Rotating frame; 5. Waterproof cover; 6. Gear ring; 7. Motor; 8. Gear; 9. Spiral scraper; 10. Water guide channel; 11. Circulating water tank; 12. Drain pump; 13. Filter screen cylinder; 14. Handle; 15. Water supply pump; 16. Spray pipe; 17. Cleaning nozzle; 18. Drain pipe; 19. On / off valve. Detailed Implementation
[0018] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model.
[0019] according to Figure 1 , Figure 2 , Figure 3 As shown, this embodiment provides an LNG ambient temperature vaporizer with defrosting function, including...
[0020] The LNG ambient air vaporizer with defrosting function has a spiral rotating defrosting mechanism driven by a motor and gear ring transmission, which drives the spiral scraper to continuously rotate and scrape frost along the outer wall of the vaporizer. The waterproof cover guides the defrosting water flow to the water tank. The water guiding and drainage mechanism collects melt water through a circulating water tank, and the drainage pump can reuse or discharge the water as needed. The circulating cleaning mechanism uses a filter screen to purify the melt water, and then pressurizes it through the water supply pump and sprays it through the spray pipe and cleaning nozzle to self-clean the base, forming a closed-loop system of "defrosting-water collection-filtration-reuse / discharge", which has the characteristics of anti-icing, water saving and energy saving, and automated operation and maintenance.
[0021] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. An LNG ambient air vaporizer with defrosting function, characterized in that: The system includes a base (1), an LNG ambient air vaporizer (2), a spiral defrosting mechanism, a water guiding and drainage mechanism, and a circulating cleaning mechanism. The LNG ambient air vaporizer (2) is fixedly arranged on the base (1). The spiral defrosting mechanism includes a fixed seat (3), a rotating frame (4), a waterproof cover (5), a gear ring (6), a motor (7), a gear (8), and a spiral scraper (9). The lower end of the LNG ambient air vaporizer (2) is fixedly fitted with a fixed seat (3). The fixed seat (3) has... The rotating frame (4) is provided with a rotating frame (4), and a waterproof cover (5) is fixedly provided at the lower end of the rotating frame (4). A gear ring (6) is fixedly provided at the lower end of the rotating frame (4). A motor (7) is fixedly provided on one side of the fixed base (3). A gear (8) is fixedly provided at the output end of the motor (7). The gear (8) meshes with the gear ring (6) for transmission. A spiral scraper (9) is fixedly provided inside the rotating frame (4). A water guiding and drainage mechanism is provided on the base (1). A circulating cleaning mechanism is provided on one side of the base (1).
2. An LNG ambient air vaporizer with defrosting function according to claim 1, characterized in that: The inner side of the spiral scraper (9) is in contact with the outer side of the LNG ambient temperature vaporizer (2) and rotates.
3. An LNG ambient temperature vaporizer with defrosting function according to claim 1, characterized in that: The water guiding and drainage mechanism includes a water guiding channel (10), a circulating water tank (11) and a drainage pump (12). The water guiding channel (10) is arranged on the base (1). The circulating water tank (11) is fixed on one side of the base (1), and the drainage pump (12) is fixed on the other side of the circulating water tank (11). The circulating water tank (11) is equipped with a circulating cleaning mechanism.
4. An LNG ambient air vaporizer with defrosting function according to claim 3, characterized in that: The drainage pump (12) is connected to the water guide channel (10) and the circulating water tank (11) respectively.
5. An LNG ambient air vaporizer with defrosting function according to claim 3, characterized in that: The circulating cleaning mechanism includes a filter cylinder (13), a handle (14), a water pump (15), a spray pipe (16), and cleaning nozzles (17). The filter cylinder (13) is placed above the circulating water tank (11). The handles (14) are symmetrically fixed on the filter cylinder (13). The water pump (15) is fixed on the circulating water tank (11). The spray pipe (16) is connected to the water pump (15). The cleaning nozzles (17) are arranged and fixed below the spray pipe (16).
6. An LNG ambient air vaporizer with defrosting function according to claim 5, characterized in that: The water supply pump (15) is connected to the bottom pipe inside the circulating water tank (11), and the circulating water tank (11) has an opening at the top.
7. An LNG ambient air vaporizer with defrosting function according to claim 3, characterized in that: A drain pipe (18) is connected to one side of the water guide channel (10), and an on / off valve (19) is fixedly installed on the drain pipe (18).
Citation Information
Patent Citations
LNG (Liquefied Natural Gas) air temperature type vaporizer capable of automatically defrosting
CN220749823U