Vaporization delivery device for low-temperature liquid storage tank

By designing a low-temperature liquid storage tank vaporization and delivery device including a protective cartridge, a spiral coil and a low-temperature liquid delivery assembly, the challenges of the low-temperature liquid storage tank in terms of temperature control and safety are solved, and efficient liquid vaporization and delivery and equipment safety are achieved.

CN119642090AInactive Publication Date: 2025-03-18SHANXI DONGYI COAL ELECTRICITY ALUMINUM GRP COAL CHEM CO LTD +1
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Patent Information

Application Number
CN202411952023.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-03-18
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing low-temperature liquid storage tanks have challenges in temperature control and safety, especially when the external ambient temperature is high or the temperature difference is large, which may lead to an increase in the pressure inside the storage tank, pose safety risks, and the efficiency of the vaporization and delivery of liquids is low.

Method used

A low-temperature liquid storage tank vaporization and delivery device is designed, including protective cartridges, spiral coils, low-temperature liquid delivery components, water inlet pipes, drain pipes and other components. Through the design of spiral coils and transverse coils, combined with the use of water inlet pipes and drain pipes, the cooling of high-temperature gas and effective vaporization and delivery of liquids are achieved.

Benefits of technology

It effectively avoids the increase in the internal pressure of the liquid storage tank caused by excessive temperature, improves the efficiency of the vaporization and delivery of liquids, and ensures the safe and efficient operation of the equipment.

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Abstract

The invention discloses a low-temperature liquid storage tank vaporization delivery device, and relates to the technical field of low-temperature liquid storage tanks, the low-temperature liquid storage tank vaporization delivery device comprises a protective cylinder, and a liquid storage tank is mounted in the protective cylinder; the spiral coil pipe is arranged in the protective cylinder and is fixedly mounted on the outer wall of the liquid storage tank; and the low-temperature liquid conveying assembly is arranged on one side of the outer portion of the protection barrel, communicates with one end of the spiral coil pipe and is used for conveying low-temperature liquid into the spiral coil pipe. According to the low-temperature liquid storage tank vaporization delivery device, after liquid in the spiral coil absorbs heat, the temperature rises, the liquid is further delivered into the transverse coil, before that, a worker delivers water into the exchange box through the water inlet pipe, and high-temperature water in the transverse coil further exchanges heat into the water; after the temperature of the water body rises, the outer wall of the longitudinal coil pipe is further preheated, liquid vaporization and incomplete discharge caused by too low temperature of the outer wall of the longitudinal coil pipe are avoided, and the structural design is humanized.
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Description

Technical Field

[0001] The invention relates to the technical field of cryogenic liquid storage tanks, and in particular to a cryogenic liquid storage tank vaporization and external delivery device. Background Art

[0002] With the widespread application of cryogenic liquids, especially in the fields of liquefied gas storage, transportation and industrial production, cryogenic liquid storage tanks (liquid storage tanks) play an important role as core equipment. However, existing cryogenic liquid storage tanks face a series of technical problems in actual application, especially challenges in temperature control and safety.

[0003] Cryogenic liquid storage tanks are usually used to store cryogenic liquids such as liquid nitrogen, liquid oxygen, liquid helium, and liquefied natural gas (LNG). Since cryogenic liquids need to be kept at very low temperatures, if the ambient temperature outside the storage tank is too high, it will directly affect the heat exchange efficiency of the tank body, resulting in an increase in the temperature outside the tank body. This temperature rise phenomenon may cause the pressure inside the storage tank to increase, thereby increasing safety risks. For example, excessive pressure inside the tank may cause leakage or rupture of the valve or the storage tank itself, endangering the safety of the equipment. In cryogenic liquid storage tanks, the vaporization and delivery of liquids is a key operation. Cryogenic liquids usually need to be converted into gas and transported to a designated location through a special pipeline. In this process, the vaporization rate of the liquid is determined by factors such as the temperature difference between the inside and outside of the storage tank, the properties of the liquid, and the temperature of the pipeline. The problem is that when the cryogenic liquid is transported from the storage tank through the external discharge pipeline, the external discharge pipeline may be affected by the external ambient temperature, especially in a cold or large temperature difference environment, the pipeline temperature will be too low. This will limit the vaporization process of the cryogenic liquid in the pipeline, and the liquid vaporization and delivery cannot be completed in a timely and effective manner. For this reason, it is necessary to improve the device under the prior art. Summary of the invention

[0004] The object of the present invention is to provide a low-temperature liquid storage tank vaporization and external delivery device to solve the problems raised in the above-mentioned background technology.

[0005] To solve the above problems, the technical solutions adopted by the present invention are as follows:

[0006] A low-temperature liquid storage tank vaporization and external delivery device, comprising

[0007] A protective cylinder, wherein a liquid storage tank is installed inside the protective cylinder;

[0008] A spiral coil, which is arranged inside the protective tube and fixedly mounted on the outer wall of the liquid storage tank;

[0009] A cryogenic liquid delivery assembly, which is disposed on one side of the outer portion of the protective tube and is connected to one end of the spiral coil, and is used to deliver the cryogenic liquid to the interior of the spiral coil;

[0010] One end of the protective tube is fixedly connected to a sealing cover and an exchange box, the other end of the spiral coil passes through the sealing cover and enters the interior of the exchange box, and is connected to one end of a transverse coil arranged inside the exchange box, and one end of the liquid storage tank is connected to a longitudinal coil, and the longitudinal coil is arranged inside the transverse coil;

[0011] A water inlet pipe, one end of which is in communication with the top wall of the exchange box, and a first valve is provided on the water inlet pipe;

[0012] A drain pipe, one end of which is connected to the bottom wall of the exchange box, and a second valve is provided on the drain pipe.

[0013] Preferably, the bottom wall of the protective tube is fixedly connected to a support frame, the other end of the protective tube is fixedly connected to a circular plate, and an air intake assembly is provided on one side of the circular plate.

[0014] Preferably, the air intake assembly includes an air intake pipe and a solenoid valve, a side wall of the circular plate is provided with an orifice, one end of the air intake pipe passes through the orifice and is connected to the other end of the liquid storage tank, and the solenoid valve is arranged on the air intake pipe.

[0015] Preferably, one end of the longitudinal coil away from the liquid storage tank is connected to an external delivery pipe, and a third valve is provided on the external delivery pipe.

[0016] Preferably, the cryogenic liquid conveying assembly includes a cryogenic liquid storage box and a conveying pump. The cryogenic liquid storage box is arranged on one side below the protective tube. The conveying pump is fixedly arranged on the upper wall of the cryogenic liquid storage box. One end of the conveying pump is connected to a first connecting pipe, one end of the first connecting pipe is connected to a side wall of the cryogenic liquid storage box, and the top of the conveying pump is connected to a second connecting pipe, one end of the second connecting pipe is connected to one end of the spiral coil.

[0017] Preferably, a first controller is fixedly arranged on the delivery pump.

[0018] Preferably, a base is provided on one side below the protective tube, an installation slot is provided on an upper wall of the base, and a liquid cooler is fixedly installed inside the installation slot.

[0019] Preferably, one end of the liquid cooler is connected to a third connecting pipe, and one end of the third connecting pipe is connected to an upper wall of the cryogenic liquid storage tank.

[0020] Preferably, a pressurizing component is provided at the other end of the chiller, and the pressurizing component includes a pressurizing pump, a fourth connecting pipe and a fifth connecting pipe, the two ends of the fourth connecting pipe are respectively connected to one end of the pressurizing pump and the other end of the chiller, and the two ends of the fifth connecting pipe are respectively connected to the other end of the pressurizing pump and the other end of the transverse coil.

[0021] Preferably, a second controller is fixedly connected to the outer wall of the booster pump.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention facilitates the delivery of low-temperature liquid to the interior of the spiral coil through the action of the low-temperature liquid delivery component, and further facilitates the cooling of the high-temperature gas between the protective tube and the liquid storage tank, effectively avoiding the safety hazard caused by the increase of internal pressure of the liquid storage tank due to excessive temperature.

[0024] The temperature of the liquid inside the spiral coil of the present invention rises after absorbing heat and is further transported to the inside of the transverse coil. Prior to this, the staff transports water to the inside of the exchange box through the water inlet pipe, and the high-temperature water inside the transverse coil further exchanges heat into the water. After the temperature of the water rises, the outer wall of the longitudinal coil is further preheated to avoid incomplete vaporization and discharge of the liquid due to the outer wall temperature of the longitudinal coil being too low. The structural design is user-friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall external structure of a low-temperature liquid storage tank vaporization and external delivery device;

[0026] Figure 2 It is a schematic diagram of the structure of a low-temperature liquid storage tank vaporization and delivery device from the first perspective;

[0027] Figure 3 It is a schematic diagram of the structure of a low-temperature liquid storage tank vaporization and external delivery device from a second perspective;

[0028] Figure 4 It is a third-view structural schematic diagram of a cryogenic liquid storage tank vaporization and external delivery device;

[0029] Figure 5 It is a schematic diagram of the structure of a cryogenic liquid storage tank vaporization and delivery device from a fourth perspective;

[0030] Figure 6 A cryogenic liquid storage tank vaporization and delivery device Figure 1 A partial enlarged view of point A in the middle.

[0031] In the figure: 1. protective cylinder; 2. liquid storage tank; 3. spiral coil; 4. sealing cover; 5. exchange box; 6. horizontal coil; 7. longitudinal coil; 8. water inlet pipe; 9. first valve; 10. drain pipe; 11. second valve; 12. support frame; 13. round plate; 14. air inlet pipe; 15. solenoid valve; 16. external delivery pipe; 17. third valve; 18. cryogenic liquid storage box; 19. delivery pump; 20. first connecting pipe; 21. second connecting pipe; 22. first controller; 23. base; 24. liquid cooler; 25. third connecting pipe; 26. booster pump; 27. fourth connecting pipe; 28. fifth connecting pipe; 29. ​​second controller. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Embodiment 1:

[0034] See also Figure 1-Figure 6 As shown, the present invention is a low-temperature liquid storage tank vaporization and external delivery device, comprising a protective cylinder 1, wherein a liquid storage tank 2 is installed inside the protective cylinder 1;

[0035] The spiral coil 3 is arranged inside the protective tube 1 and fixedly mounted on the outer wall of the liquid storage tank 2;

[0036] A cryogenic liquid delivery component, which is disposed on one side of the outer portion of the protective tube 1 and is connected to one end of the spiral coil 3 to deliver the cryogenic liquid to the interior of the spiral coil 3;

[0037] Among them, one end of the protective tube 1 is fixedly connected to a sealing cover 4 and an exchange box 5, the other end of the spiral coil 3 passes through the sealing cover 4 and enters the exchange box 5, and is connected to one end of a transverse coil 6 arranged inside the exchange box 5, and one end of the liquid storage tank 2 is connected to a longitudinal coil 7, and the longitudinal coil 7 is arranged inside the transverse coil 6;

[0038] A water inlet pipe 8, one end of which is in communication with the top wall of the exchange box 5, and a first valve 9 is provided on the water inlet pipe 8;

[0039] A drain pipe 10 , one end of which is in communication with the bottom wall of the exchange box 5 , and a second valve 11 is disposed on the drain pipe 10 .

[0040] As can be seen from the above, specifically, through the action of the low-temperature liquid conveying component, it is further convenient to convey the low-temperature liquid to the inside of the spiral coil 3, and it is further convenient to cool the high-temperature gas between the protective tube 1 and the liquid storage tank 2, effectively avoiding the safety hazard caused by the increase of internal pressure of the liquid storage tank 2 due to excessive temperature, and the temperature of the liquid inside the spiral coil 3 rises after absorbing heat, and is further conveyed to the inside of the transverse coil 6. Prior to this, the staff conveys water to the inside of the exchange box 5 through the water inlet pipe 8, and the high-temperature water inside the transverse coil 6 exchanges heat with the water. After the water temperature rises, the outer wall of the longitudinal coil 7 is further preheated to avoid the outer wall temperature of the longitudinal coil 7 being too low, resulting in incomplete vaporization and discharge of the liquid, and the structural design is humanized.

[0041] Embodiment 2:

[0042] A protective tube 1, wherein a liquid storage tank 2 is installed inside the protective tube 1;

[0043] The spiral coil 3 is arranged inside the protective tube 1 and fixedly mounted on the outer wall of the liquid storage tank 2;

[0044] A cryogenic liquid delivery component, which is disposed on one side of the outer portion of the protective tube 1 and is connected to one end of the spiral coil 3 to deliver the cryogenic liquid to the interior of the spiral coil 3;

[0045] Among them, one end of the protective tube 1 is fixedly connected to a sealing cover 4 and an exchange box 5, the other end of the spiral coil 3 passes through the sealing cover 4 and enters the exchange box 5, and is connected to one end of a transverse coil 6 arranged inside the exchange box 5, and one end of the liquid storage tank 2 is connected to a longitudinal coil 7, and the longitudinal coil 7 is arranged inside the transverse coil 6;

[0046] A water inlet pipe 8, one end of which is in communication with the top wall of the exchange box 5, and a first valve 9 is provided on the water inlet pipe 8;

[0047] A drain pipe 10 , one end of which is in communication with the bottom wall of the exchange box 5 , and a second valve 11 is disposed on the drain pipe 10 .

[0048] Depend on Figure 3 and Figure 5 It can be seen that a support frame 12 is fixedly connected to the bottom wall of the protective tube 1 , and a circular plate 13 is fixedly connected to the other end of the protective tube 1 , and an air intake assembly is provided on one side of the circular plate 13 .

[0049] The air intake assembly includes an air intake pipe 14 and a solenoid valve 15 . A hole is opened on one side wall of the circular plate 13 . One end of the air intake pipe 14 passes through the hole and communicates with the other end of the liquid storage tank 2 . The solenoid valve 15 is arranged on the air intake pipe 14 .

[0050] As can be seen from the above, specifically, the staff opens the solenoid valve 15 and transports the medium into the liquid storage tank 2 through the air intake pipe 14, and then the medium is compressed by the liquid storage tank 2 to become a liquid medium and stored in the liquid storage tank 2.

[0051] Depend on Figure 1 It can be seen that the end of the longitudinal coil 7 away from the liquid storage tank 2 is connected to an external delivery pipe 16 , and a third valve 17 is provided on the external delivery pipe 16 .

[0052] As can be seen from the above, specifically, when the liquid in the liquid storage tank 2 needs to be vaporized and discharged, the personnel further opens the third valve 17, and then the liquid is vaporized and discharged through the external delivery pipe 16.

[0053] Embodiment three:

[0054] A protective tube 1, wherein a liquid storage tank 2 is installed inside the protective tube 1;

[0055] The spiral coil 3 is arranged inside the protective tube 1 and fixedly mounted on the outer wall of the liquid storage tank 2;

[0056] A cryogenic liquid delivery component, which is disposed on one side of the outer portion of the protective tube 1 and is connected to one end of the spiral coil 3 to deliver the cryogenic liquid to the interior of the spiral coil 3;

[0057] Among them, one end of the protective tube 1 is fixedly connected to a sealing cover 4 and an exchange box 5, the other end of the spiral coil 3 passes through the sealing cover 4 and enters the exchange box 5, and is connected to one end of a transverse coil 6 arranged inside the exchange box 5, and one end of the liquid storage tank 2 is connected to a longitudinal coil 7, and the longitudinal coil 7 is arranged inside the transverse coil 6;

[0058] A water inlet pipe 8, one end of which is in communication with the top wall of the exchange box 5, and a first valve 9 is provided on the water inlet pipe 8;

[0059] A drain pipe 10 , one end of which is in communication with the bottom wall of the exchange box 5 , and a second valve 11 is disposed on the drain pipe 10 .

[0060] refer to Figure 1 and Figure 4 As shown, the cryogenic liquid conveying assembly includes a cryogenic liquid storage tank 18 and a conveying pump 19. The cryogenic liquid storage tank 18 is arranged on one side below the protective tube 1, and the conveying pump 19 is fixedly arranged on the upper wall of the cryogenic liquid storage tank 18. One end of the conveying pump 19 is connected to a first connecting pipe 20, and one end of the first connecting pipe 20 is connected to a side wall of the cryogenic liquid storage tank 18. The top of the conveying pump 19 is connected to a second connecting pipe 21, and one end of the second connecting pipe 21 is connected to one end of the spiral coil 3.

[0061] The delivery pump 19 is fixedly provided with a first controller 22 .

[0062] As can be seen from the above, specifically, the staff drives the delivery pump 19 through the first controller 22, further delivers the low-temperature liquid inside the low-temperature liquid storage tank 18 to the spiral coil 3 through the first connecting pipe 20 and the second connecting pipe 21, and further cools the high-temperature gas inside the protective tube 1 through the low-temperature liquid inside the spiral coil 3.

[0063] Embodiment 4:

[0064] A protective tube 1, wherein a liquid storage tank 2 is installed inside the protective tube 1;

[0065] The spiral coil 3 is arranged inside the protective tube 1 and fixedly mounted on the outer wall of the liquid storage tank 2;

[0066] A cryogenic liquid delivery component, which is disposed on one side of the outer portion of the protective tube 1 and is connected to one end of the spiral coil 3 to deliver the cryogenic liquid to the interior of the spiral coil 3;

[0067] Among them, one end of the protective tube 1 is fixedly connected to a sealing cover 4 and an exchange box 5, the other end of the spiral coil 3 passes through the sealing cover 4 and enters the exchange box 5, and is connected to one end of a transverse coil 6 arranged inside the exchange box 5, and one end of the liquid storage tank 2 is connected to a longitudinal coil 7, and the longitudinal coil 7 is arranged inside the transverse coil 6;

[0068] A water inlet pipe 8, one end of which is in communication with the top wall of the exchange box 5, and a first valve 9 is provided on the water inlet pipe 8;

[0069] A drain pipe 10 , one end of which is in communication with the bottom wall of the exchange box 5 , and a second valve 11 is disposed on the drain pipe 10 .

[0070] refer to Figure 2 and Figure 6 As shown, a base 23 is provided on one side below the protective tube 1 , and a mounting slot is provided on the upper wall of the base 23 , and a cooler 24 is fixedly installed inside the mounting slot.

[0071] One end of the liquid cooler 24 is connected to a third connecting pipe 25 , and one end of the third connecting pipe 25 is connected to the upper wall of the low-temperature liquid storage tank 18 .

[0072] A pressurizing component is provided at the other end of the chiller 24, and the pressurizing component includes a pressurizing pump 26, a fourth connecting pipe 27 and a fifth connecting pipe 28. The two ends of the fourth connecting pipe 27 are respectively connected to one end of the pressurizing pump 26 and the other end of the chiller 24, and the two ends of the fifth connecting pipe 28 are respectively connected to the other end of the pressurizing pump 26 and the other end of the transverse coil 6.

[0073] A second controller 29 is fixedly connected to the outer wall of the booster pump 26 .

[0074] As can be seen from the above, specifically, the staff drives the pressure pump 26 through the second controller 29, which further facilitates the liquid inside the transverse coil 6 to be transported to the inside of the chiller 24 through the fifth connecting pipe 28 and the fourth connecting pipe 27, wherein the chiller 24 is a prior art means, which is composed of a heat exchanger. The liquid takes away its heat through the refrigerant and is further transported to the low-temperature liquid storage tank 18 to form a circulation system, save energy consumption, and have a humanized structural design.

[0075] The standard parts used in the present invention can all be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0076] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0077] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0078] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0079] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0080] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0081] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cryogenic liquid storage tank vaporization and delivery device, characterized in that: include A protective cylinder (1), wherein a liquid storage tank (2) is installed inside the protective cylinder (1); A spiral coil (3), wherein the spiral coil (3) is arranged inside the protective tube (1) and fixedly mounted on the outer wall of the liquid storage tank (2); A cryogenic liquid delivery component, the cryogenic liquid delivery component being arranged on one side of the exterior of the protective tube (1) and being in communication with one end of the spiral coil (3) and being used for delivering the cryogenic liquid to the interior of the spiral coil (3); One end of the protective tube (1) is fixedly connected to a sealing cover (4) and an exchange box (5); the other end of the spiral coil (3) passes through the sealing cover (4) and enters the interior of the exchange box (5), and is connected to one end of a transverse coil (6) arranged inside the exchange box (5); one end of the liquid storage tank (2) is connected to a longitudinal coil (7), and the longitudinal coil (7) is arranged inside the transverse coil (6); A water inlet pipe (8), one end of which is in communication with the top wall of the exchange box (5), and a first valve (9) is provided on the water inlet pipe (8); A drainage pipe (10), one end of which is in communication with the bottom wall of the exchange box (5), and a second valve (11) is provided on the drainage pipe (10).

2. A cryogenic liquid storage tank vaporization and external delivery device according to claim 1, characterized in that: The bottom wall of the protective tube (1) is fixedly connected to a support frame (12), the other end of the protective tube (1) is fixedly connected to a circular plate (13), and an air intake assembly is provided on one side of the circular plate (13).

3. A cryogenic liquid storage tank vaporization and external delivery device according to claim 2, characterized in that: The air intake assembly comprises an air intake pipe (14) and a solenoid valve (15); a hole is provided on one side wall of the circular plate (13); one end of the air intake pipe (14) passes through the hole and is connected to the other end of the liquid storage tank (2); and the solenoid valve (15) is arranged on the air intake pipe (14).

4. A cryogenic liquid storage tank vaporization and external delivery device according to claim 1, characterized in that: One end of the longitudinal coil (7) away from the liquid storage tank (2) is connected to an external delivery pipe (16), and a third valve (17) is provided on the external delivery pipe (16).

5. The low-temperature liquid storage tank vaporization and external delivery device according to claim 1, characterized in that: The cryogenic liquid delivery assembly comprises a cryogenic liquid storage tank (18) and a delivery pump (19); the cryogenic liquid storage tank (18) is arranged on one side below the protective tube (1); the delivery pump (19) is fixedly arranged on the upper wall of the cryogenic liquid storage tank (18); one end of the delivery pump (19) is connected to a first connecting pipe (20); one end of the first connecting pipe (20) is connected to a side wall of the cryogenic liquid storage tank (18); the top of the delivery pump (19) is connected to a second connecting pipe (21); one end of the second connecting pipe (21) is connected to one end of the spiral coil (3).

6. A cryogenic liquid storage tank vaporization and external delivery device according to claim 5, characterized in that: A first controller (22) is fixedly arranged on the delivery pump (19).

7. The low-temperature liquid storage tank vaporization and external delivery device according to claim 5, characterized in that: A base (23) is provided on one side below the protective tube (1), an installation slot is provided on the upper wall of the base (23), and a liquid cooler (24) is fixedly installed inside the installation slot.

8. A low-temperature liquid storage tank vaporization and external delivery device according to claim 7, characterized in that: One end of the liquid cooler (24) is connected to a third connecting pipe (25), and one end of the third connecting pipe (25) is connected to the upper wall of the low-temperature liquid storage tank (18).

9. A cryogenic liquid storage tank vaporization and external delivery device according to claim 8, characterized in that: A pressurizing assembly is provided at the other end of the liquid cooler (24), and the pressurizing assembly includes a pressurizing pump (26), a fourth connecting pipe (27) and a fifth connecting pipe (28). The two ends of the fourth connecting pipe (27) are respectively connected to one end of the pressurizing pump (26) and the other end of the liquid cooler (24), and the two ends of the fifth connecting pipe (28) are respectively connected to the other end of the pressurizing pump (26) and the other end of the transverse coil (6).

10. A cryogenic liquid storage tank vaporization and external delivery device according to claim 9, characterized in that: A second controller (29) is fixedly connected to the outer wall of the pressure pump (26).