Low-temperature liquid storage tank

Abstract

The utility model relates to the technical field of liquid storage equipment, in particular to a low-temperature liquid storage tank which comprises a storage tank body and a temperature control assembly. The storage tank body comprises a cavity, and a liquid storage bag used for storing liquid is arranged in the cavity. The temperature control assembly comprises a temperature controller and a temperature adjusting element, the temperature controller is arranged on the outer side of the storage tank body, the temperature adjusting element is arranged in the cavity, and the temperature in the cavity is adjusted through the temperature adjusting element. According to the low-temperature liquid storage tank provided by the embodiment of the utility model, the temperature in the cavity of the storage tank main body can be adjusted through the temperature control assembly, air pressure monitoring can be carried out, and when the air pressure in the cavity exceeds a set pressure range, warning reminding is carried out. According to the technical scheme, the temperature of the low-temperature liquid storage tank is accurately controlled, the pressure state in the cavity is determined in real time through air pressure monitoring, the using safety of the low-temperature liquid storage tank can be effectively improved, and then normal operation of the low-temperature liquid storage tank is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid storage equipment, in particular to a low-temperature liquid storage tank. Background Art

[0002] A cryogenic liquid storage tank is a container used to store and supply cryogenic liquefied gases (such as liquid nitrogen, liquid oxygen, liquid argon, liquid carbon dioxide, etc.). It has been widely used in industrial production and daily life.

[0003] The internal temperature of a cryogenic liquid storage tank plays a key role in the normal operation and safe use of the tank. However, the external environment has a great impact on the use of the cryogenic liquid storage tank. For example, in cold weather, the liquid in the tank may freeze, making the cryogenic liquid storage tank unable to be used normally. Utility Model Content

[0004] In order to solve at least the above technical problems existing in the prior art, an embodiment of the utility model provides a cryogenic liquid storage tank.

[0005] On the one hand, an embodiment of the utility model provides a low-temperature liquid storage tank, including a tank body and a temperature control component; the tank body includes a chamber, and a liquid storage bag for storing liquid is provided in the chamber; the temperature control component includes a temperature controller and a temperature regulating element, the temperature controller is arranged on the outside of the tank body, the temperature regulating element is arranged in the chamber, and the temperature in the chamber is adjusted by the temperature regulating element.

[0006] In some embodiments, the temperature regulating element is cylindrical or semi-enclosed, and the temperature regulating element is surrounded by the outside of the liquid storage capsule; the temperature regulating element includes a heating plate and / or a cooling plate.

[0007] In some embodiments, it also includes an air pressure monitoring component, which includes an air pressure detection element, a warning device and a controller; the air pressure detection element and the warning device are respectively connected to the controller, the air pressure detection element is used to obtain the pressure value of the tank body, and the warning device is used to send an alarm signal.

[0008] In some embodiments, the warning device includes an audible alarm and / or a photoelectric alarm.

[0009] In some embodiments, a gas pressure component is further included, which is connected to the top end of the storage tank body and is used to transport gas into the cavity.

[0010] In some embodiments, the pneumatic assembly includes an air pressure pump and an air pressure tube; the top end of the storage tank body includes an air intake pipe connected to the cavity, one end of the air pressure tube is connected to the air pressure pump, and the other end is connected to the air intake pipe.

[0011] In some embodiments, the liquid storage bag includes a water inlet assembly and a water outlet assembly; the water inlet assembly includes a water inlet pipe, the water inlet pipe is connected to the liquid storage bag, and the water inlet of the water inlet pipe is arranged at the top of the tank body; the water outlet assembly is located at the bottom of the tank body.

[0012] In some embodiments, the water outlet assembly includes a water outlet pipe and a sealing cover, the water outlet pipe is connected to the liquid storage bag, and the water outlet of the water outlet pipe is arranged at the bottom of the storage tank body, and the sealing cover is used to seal the water outlet of the water outlet pipe.

[0013] In some embodiments, the water outlet assembly includes a drainage tube and a flow control valve, the drainage tube is connected to the liquid storage bag, and the water outlet of the drainage tube is arranged at the bottom of the tank body, and the flow control valve is arranged on the drainage tube located outside the tank body.

[0014] In some embodiments, the side walls of the tank body are covered with a protective layer, a lifting ring is provided at the top of the tank body, and a supporting leg is provided at the bottom of the tank body for supporting the tank body to a set height.

[0015] The embodiment of the utility model provides a cryogenic liquid storage tank. When in use, the temperature in the main chamber of the storage tank can be adjusted by a temperature control component, that is, the temperature in the chamber is adjusted to a set temperature range by a temperature adjustment element, and the temperature in the chamber is ensured to be maintained within the temperature range; and air pressure monitoring can also be performed, and when the air pressure in the chamber exceeds the set pressure range, an alarm is issued. The technical solution of the utility model can accurately control the temperature of the cryogenic liquid storage tank, and determine the pressure state in the chamber in real time through air pressure monitoring, which can effectively improve the safety of the cryogenic liquid storage tank when in use, thereby ensuring the normal operation of the cryogenic liquid storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] By reading the detailed description below with reference to the accompanying drawings, the above and other objects, features and advantages of the exemplary embodiments of the present invention will become readily understood. In the accompanying drawings, several embodiments of the present invention are shown in an exemplary and non-limiting manner, wherein:

[0017] In the drawings, the same or corresponding reference numerals represent the same or corresponding parts.

[0018] Figure 1 A schematic structural diagram of a cryogenic liquid storage tank provided in an embodiment of the utility model;

[0019] Figure 2 A schematic diagram of the structure of a temperature control component in a cryogenic liquid storage tank provided by an embodiment of the utility model;

[0020] Figure 3 A schematic diagram of the structure of a gas pressure monitoring assembly in a cryogenic liquid storage tank provided by an embodiment of the utility model;

[0021] Figure 4 A schematic diagram of the structure of a gas pressure assembly in a cryogenic liquid storage tank provided by an embodiment of the utility model;

[0022] Figure 5 A schematic diagram of the structure of a water inlet assembly in a cryogenic liquid storage tank provided by an embodiment of the utility model Figure 1 ;

[0023] Figure 6 A schematic diagram of the structure of a water inlet assembly in a cryogenic liquid storage tank provided by an embodiment of the utility model Figure 2 .

[0024] In the figure:

[0025] 1: Tank body; 2: Air inlet pipe; 3: Air pressure assembly; 301: Air pressure pipe; 302: Air pressure pump; 4: Air pressure monitoring assembly; 401: Warning device; 402: Air pressure detection element; 5: Barometer; 6: Temperature control assembly; 601: Temperature controller; 602: Temperature regulating element; 603: Battery; 7: Water inlet assembly; 701: Water inlet pipe; 702: Sealing cover; 8: Water outlet assembly; 801: Water outlet pipe; 802: Sealing cover; 803: Drainage tube; 804: Flow control valve; 9: Liquid storage bag; 10: Protective layer; 11: Lifting ring; 12: Support leg. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0027] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0028] It should be noted that the terms "first", "second", etc. in the specification and claims of the present utility model are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0029] The terms "including" and "having" and any variations thereof in the specification and claims of the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0030] The embodiment of the utility model provides a low-temperature liquid storage tank, including a storage tank body, a temperature control component and an air pressure monitoring component; the temperature inside the storage tank body can be controlled by the temperature control component to prevent the temperature inside the storage tank body from being too high or too low and exceeding a set temperature range, and the air pressure inside the storage tank body can be monitored by the air pressure monitoring component, and when the air pressure is not within the set range, a warning reminder can be issued.

[0031] The following is a detailed description of the various structures of the cryogenic liquid storage tank provided in the embodiment of the utility model, as well as the positional relationship and connection relationship between the various structures, in conjunction with the accompanying drawings.

[0032] like Figures 1 to 6 As shown, the tank body 1 includes a chamber in which a liquid storage bag 9 for storing liquid is provided. The chamber of the tank body 1 is inflated by the air pressure component 3 to change the air pressure in the chamber, and the liquid storage bag 9 is squeezed by the change in air pressure.

[0033] For example, the air pressure component 3 is connected to the top of the tank body 1 and is used to deliver gas into the cavity. For example, the air pressure component 3 includes an air pressure pump 302 and an air pressure pipe 301; the top of the tank body 1 includes an air intake pipe 2 connected to the cavity, one end of the air pressure pipe 301 is connected to the air pressure pump 302, and the other end is connected to the air intake pipe 2. For example, the air intake pipe 2 can be an existing structure, that is, the air intake operation is performed by using the existing air pipe of the tank body 1, so as to achieve sharing with the air pressure pipe 301.

[0034] When the chamber needs to be pressurized, the air pressure pump 302 is started, and the air pressure pump 302 and the air pressure pipe 301 are used to transport gas into the chamber, thereby achieving the effect of pressurization. The air pressure component 3 is small in size and does not occupy too much extra area, and the air pressure pump 302 can cooperate with the air pressure monitoring component 4 to realize automatic adjustment of the air pressure, that is, by automatically controlling the start and stop of the air pressure pump 302, the pressure value in the chamber is adjusted, thereby avoiding the problem of cumbersome manual operation and failure to increase pressure in time, and low work efficiency. The specific working form of the air pressure detection component is described below.

[0035] In the embodiment of the utility model, the temperature control assembly 6 includes a temperature controller 601, a temperature adjustment element 602 and a battery 603. The temperature controller 601 is connected to the battery 603, and the battery 603 is used for power supply. The temperature controller 601 is arranged outside the storage tank body 1, and the temperature adjustment element 602 is arranged in the chamber, and the temperature in the chamber is adjusted by the temperature adjustment element 602. For example, the temperature controller 601 includes a wire controller, and the wire controller includes buttons, such as on / off, mode selection, heating or cooling, etc., which is arranged outside the storage tank body 1 to facilitate the operation of the operator.

[0036] The temperature regulating element 602 can heat or cool the chamber. For example, the low-temperature liquid storage tank is greatly affected by the environment. When the outside temperature is too low, it needs to be heated. On the contrary, when the outside temperature is too high, it needs to be cooled. There are many factors affecting the temperature in the chamber of the low-temperature liquid storage tank, and the embodiments of the utility model will not give examples one by one.

[0037] For example, the temperature regulating element 602 is cylindrical or semi-enclosed, and the temperature regulating element 602 is surrounded by the outside of the liquid storage capsule 9; for example, the temperature regulating element 602 has a certain height, such as its height is the same as or similar to the height of the liquid storage capsule 9, so that the temperature of each position of the liquid storage capsule 9 can be quickly adjusted.

[0038] For example, the temperature adjustment element 602 includes a heating plate and / or a cooling plate, that is, the temperature adjustment element 602 can be provided with a heating plate alone, a cooling plate alone, or a heating plate and a cooling plate at the same time, such as the heating plate and the cooling plate are arranged in layers up and down or arranged left and right, or arranged crosswise. For example, the heating plate includes a heating wire, a heating rod, etc., and the cooling plate is a semiconductor cooling plate or a condenser, etc.

[0039] Continue to refer Figures 1 to 6 As shown, the cryogenic liquid storage tank also includes an air pressure monitoring component 4, which includes an air pressure detection element 402, an alarm device 401 and a controller; the air pressure detection element 402 and the alarm device 401 are respectively connected to the controller, the air pressure detection element 402 is used to obtain the pressure value of the storage tank body 1, and the alarm device 401 is used to send an alarm signal.

[0040] For example, the air pressure detection element 402 is an air pressure detection sensor, which obtains the air pressure information in the chamber in real time or periodically, and transmits the air pressure information to the controller. The controller determines whether to start the warning component according to the air pressure information.

[0041] For example, the controller stores an air pressure threshold. When the acquired air pressure information exceeds the threshold (higher or lower), the controller activates the warning device 401 and sends an alarm signal through the warning device 401 to inform the staff of the abnormal air pressure in time.

[0042] For example, the warning device 401 includes a sound alarm and / or a photoelectric alarm, and can send out an alarm signal through a sound prompt, or send out an alarm signal through a photoelectric flash, or send out an alarm signal through sound and photoelectric flash at the same time.

[0043] For example, a barometer 5 is also provided on the outside of the storage tank body 1. The barometer 5 displays the current air pressure value in the chamber of the storage tank body 1 for observation by the staff, and can provide accurate and clear air pressure information.

[0044] Continue to refer Figures 1 to 6 As shown, in the embodiment of the utility model, the liquid storage bag 9 includes a water inlet component 7 and a water outlet component 8; the water inlet component 7 includes a water inlet pipe 701, the water inlet pipe 701 is connected to the liquid storage bag 9, and the water inlet of the water inlet pipe 701 is arranged at the top of the storage tank body 1; the water outlet component 8 is located at the bottom of the storage tank body 1.

[0045] For example, the water inlet of the water inlet pipe 701 is provided with threads, and the water inlet is connected with the water inlet threads through the sealing cover 702 .

[0046] For example, the water outlet assembly 8 includes a water outlet pipe 801 and a sealing cover 802, the water outlet pipe 801 is connected to the liquid storage capsule 9, and the water outlet of the water outlet pipe 801 is arranged at the bottom of the storage tank body 1, and the sealing cover 802 is used to block the water outlet of the water outlet pipe 801. The sealing cover 802 has a good sealing effect. When the water outlet pipe 801 is not in use, the water outlet can be blocked by the sealing cover 802 to prevent water leakage. Or, for example, the water outlet assembly 8 includes a drainage pipe 803 and a flow control valve 804, the drainage pipe 803 is connected to the liquid storage capsule 9, and the water outlet of the drainage pipe 803 is arranged at the bottom of the storage tank body 1, and the flow control valve 804 is arranged on the drainage pipe 803 located outside the storage tank body 1. The flow control valve 804 can adjust the opening angle, thereby controlling the liquid flow rate of the water outlet.

[0047] In the embodiment of the utility model, the side wall of the storage tank body 1 is coated with a protective layer 10, and the protective layer 10 has a protective effect on the storage tank body 1, such as the protective layer 10 is a metal protective layer 10 with a certain thickness. A lifting ring 11 is provided at the top of the storage tank body 1, and when the storage tank body 1 is moved, the moving operation is performed through the lifting ring 11. A supporting leg 12 is provided at the bottom of the storage tank body 1, which is used to support the storage tank body 1 to set the height. A water outlet component 8 is provided at the bottom of the storage tank body 1, or other components, such as an air pressure pump 302, can be placed at the bottom of the storage tank body 1 to reduce the excessive space occupied by other components.

[0048] The embodiment of the utility model provides a cryogenic liquid storage tank. When in use, the temperature in the chamber of the storage tank body 1 can be adjusted through the temperature control component 6, that is, the temperature in the chamber is adjusted to a set temperature range through the temperature adjustment element 602, and the temperature in the chamber is ensured to be maintained within the temperature range; and air pressure monitoring can also be performed, and when the air pressure in the chamber exceeds the set pressure range, an alarm is issued. The technical solution of the utility model can accurately control the temperature of the cryogenic liquid storage tank, and determine the pressure state in the chamber in real time through air pressure monitoring, which can effectively improve the safety of the cryogenic liquid storage tank when in use, thereby ensuring the normal operation of the cryogenic liquid storage tank.

[0049] The above describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cryogenic liquid storage tank, characterized in that: It comprises a storage tank body (1) and a temperature control component (6); The storage tank body (1) comprises a chamber, wherein a liquid storage bag (9) for storing liquid is arranged in the chamber; The temperature control component (6) comprises a temperature controller (601) and a temperature regulating element (602), wherein the temperature controller (601) is arranged outside the storage tank body (1), and the temperature regulating element (602) is arranged in the chamber, and the temperature in the chamber is regulated by the temperature regulating element (602).

2. The cryogenic liquid storage tank according to claim 1, characterized in that: The temperature regulating element (602) is in a cylindrical or semi-enclosed shape, and the temperature regulating element (602) is surrounded on the outside of the liquid storage capsule (9); The temperature adjustment element (602) includes a heating plate and / or a cooling plate.

3. The cryogenic liquid storage tank according to claim 1, characterized in that: Also included is an air pressure monitoring component (4), wherein the air pressure monitoring component (4) includes an air pressure detection element (402), a warning device (401) and a controller; The air pressure detection element (402) and the warning device (401) are respectively connected to the controller; the air pressure detection element (402) is used to obtain the pressure value of the storage tank body (1); and the warning device (401) is used to send out an alarm signal.

4. The cryogenic liquid storage tank according to claim 3, characterized in that: The warning device (401) comprises a sound alarm and / or a photoelectric alarm.

5. The cryogenic liquid storage tank according to claim 1, characterized in that: It also includes a gas pressure component (3), which is connected to the top end of the storage tank body (1) and is used to transport gas into the chamber.

6. The cryogenic liquid storage tank according to claim 5, characterized in that: The air pressure component (3) comprises an air pressure pump (302) and an air pressure tube (301); The top end of the storage tank body (1) includes an air intake pipe (2) connected to the chamber; one end of the air pressure pipe (301) is connected to the air pressure pump (302), and the other end is connected to the air intake pipe (2).

7. The cryogenic liquid storage tank according to any one of claims 1 to 6, characterized in that: The liquid storage capsule (9) comprises a water inlet component (7) and a water outlet component (8); The water inlet assembly (7) comprises a water inlet pipe (701), the water inlet pipe (701) is in communication with the liquid storage bag (9), and the water inlet of the water inlet pipe (701) is arranged at the top of the storage tank body (1); The water outlet assembly (8) is located at the bottom of the storage tank body (1).

8. The cryogenic liquid storage tank according to claim 7, characterized in that: The water outlet assembly (8) comprises a water outlet pipe (801) and a sealing cover (802); the water outlet pipe (801) is connected to the liquid storage bag (9), and the water outlet of the water outlet pipe (801) is arranged at the bottom of the storage tank body (1); the sealing cover (802) is used to seal the water outlet of the water outlet pipe (801).

9. The cryogenic liquid storage tank according to claim 7, characterized in that: The water outlet assembly (8) comprises a drainage pipe (803) and a flow control valve (804); the drainage pipe (803) is connected to the liquid storage bag (9); and the water outlet of the drainage pipe (803) is arranged at the bottom of the storage tank body (1); the flow control valve (804) is arranged on the drainage pipe (803) located outside the storage tank body (1).

10. The cryogenic liquid storage tank according to any one of claims 1 to 6, characterized in that: The side wall of the storage tank body (1) is covered with a protective layer (10), the top of the storage tank body (1) is provided with a lifting ring (11), and the bottom of the storage tank body (1) is provided with a supporting leg (12) for supporting the storage tank body (1) to set a height.

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