Metal storage tank assembly with anti-explosion structure

Abstract

The utility model relates to the technical field of compressed air energy storage, in particular to a metal storage tank assembly with an anti-explosion structure, which comprises a storage tank, an outer tank layer is sleeved outside the storage tank, an anti-explosion mechanism is arranged at the top of one side of the outer tank layer, and a recovery component is arranged at the bottom of one side of the outer tank layer. The explosion-proof mechanism comprises an exhaust pipe, a U-shaped pipe is welded to one end of the exhaust pipe, a first sealing plug is arranged in the U-shaped pipe, a connecting pipe is welded to the bottom of the U-shaped pipe, a spring is welded to the interior of the connecting pipe, and a second sealing plug is connected to the top of the spring in a glued mode. The temperature of the surface of the storage tank is automatically monitored through the anti-explosion mechanism, cooling is conducted in time, explosion caused by too large internal pressure due to too fast temperature rise of the surface of the storage tank in the air compressing process is avoided, used cooling water is recycled through the recycling assembly, resource reuse is achieved, and more energy is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of compressed air energy storage, in particular to a metal storage tank assembly with an explosion-proof structure. Background Art

[0002] Compressed air energy storage is a process of converting mechanical energy into stored compressed air. The air is compressed to a high-pressure state by a compressor. In a compressed air energy storage system, compressed air is usually stored in a metal tank. Metal tanks can be used to store various liquid, gaseous or solid media, including water, oil, chemicals, food, gas, etc. These tanks are usually made of pressure-resistant metal materials, such as carbon steel or stainless steel, to withstand air under high pressure. These metal tanks usually provide a large capacity and can withstand high pressure, so they are very suitable as containers for storing compressed air. They usually have high strength and durability and can withstand high-pressure and high-temperature environments. Their manufacturing process is mature and the quality is reliable, which can ensure the safety and reliability of stored materials. In order to prevent leakage, the existing metal tanks are found to have the following problems in the process of storing compressed air:

[0003] 1. As air is compressed, its volume decreases, and the frequency of collisions between molecules increases, which leads to an increase in the average kinetic energy of the molecules. Before it is converted into a liquid state, the temperature is relatively high, which will directly lead to a higher temperature on the surface of the metal storage tank. If the temperature continues to rise and is not cooled down in time, the pressure in the tank will increase, and there is a risk of explosion of the container;

[0004] 2. Generally, air cooling or water cooling is used to cool the surface of the metal storage tank. The cooling effect of air cooling is not as good as that of water cooling. However, the cooling water of the traditional water cooling method cannot be recycled in time, resulting in a waste of resources. Utility Model Content

[0005] The purpose of the utility model is to provide a metal storage tank assembly with an explosion-proof structure to solve the problem that the surface temperature of the ordinary metal storage tank proposed in the above background technology is too high during the storage of compressed air, which will cause the pressure in the tank to increase and there is a risk of explosion, and the cooling water cannot be recycled and reused in time during the heat dissipation process, resulting in a waste of resources. To achieve the above purpose, the utility model provides the following technical solutions: a metal storage tank assembly with an explosion-proof structure includes a storage tank, the storage tank is sleeved with an outer tank layer on the outside, an explosion-proof mechanism is provided on the top of one side of the outer tank layer, and a recovery component is provided on the bottom of one side of the outer tank layer.

[0006] The explosion-proof mechanism includes an exhaust pipe, a U-shaped tube is welded at one end of the exhaust pipe, a first sealing plug is arranged inside the U-shaped tube, a connecting tube is welded at the bottom of the U-shaped tube, a spring is welded inside the connecting tube, a second sealing plug is glued to the top of the spring, an overflow port is arranged on the surface of the connecting tube, a cooling tube is welded at the bottom of the connecting tube, and a box body is sleeved on the outside of the connecting tube.

[0007] The recycling component includes a recycling box, a rotating shaft is inserted into the interior of the recycling box, an output shaft of a motor is installed on the top of the rotating shaft, blades and levers are welded on the surface of the rotating shaft, a water pump is installed on one side of the recycling box, and a return pipe is inserted on the top of the water pump.

[0008] Further preferably, a cavity layer is provided between the storage tank and the outer tank layer, and the cavity layer is filled with air, and the cooling pipe is distributed in the cavity layer in a spirally wound manner.

[0009] Further preferably, the exhaust pipe and the outer tank layer are plug-connected.

[0010] Further preferably, the connecting pipe is a concentric reducer which is narrow at the top and wide at the bottom.

[0011] Further preferably, the rotating shaft is rotated by a motor.

[0012] Further preferably, the top of the return pipe is plugged into one side of the box.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, the temperature of the surface of the storage tank is automatically monitored by the explosion-proof mechanism. Once the temperature of the surface of the storage tank rises, the air in the cavity layer is driven to expand and contract due to heat and cold, and the expanded air enters the exhaust pipe. Cooling water is injected into the cooling pipe in time to cool the surface of the storage tank in time, so as to avoid the storage tank surface heating up too quickly during the air compression process, causing excessive internal pressure and explosion.

[0015] In the utility model, the used cooling water is recycled and reused through the recovery component, and the motor drives the rotating shaft to rotate, which can further drive the blades and the lever to rotate synchronously. As the lever is turned, the flow rate of the cooling water is accelerated, and the rotation of the top blades accelerates the air circulation, so that the recycled cooling water is quickly cooled, which is convenient for the recycling and reuse of the cooling water. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the explosion-proof mechanism and recovery component structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the recycling component of the utility model;

[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the box body of the utility model;

[0021] Figure 6 It is a schematic diagram of the cross-sectional structure of the U-shaped tube and the connecting tube of the utility model.

[0022] In the figure: 1. storage tank; 2. outer tank layer; 3. explosion-proof mechanism; 301. exhaust pipe; 302. U-shaped pipe; 303. first sealing plug; 304. connecting pipe; 305. spring; 306. second sealing plug; 307. overflow port; 308. cooling pipe; 309. box body; 4. recovery component; 401. recovery box; 402. rotating shaft; 403. motor; 404. blades; 405. lever; 406. water pump; 407. return pipe. DETAILED DESCRIPTION

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

[0024] See also Figures 1 to 6 The utility model provides a technical solution: a metal storage tank assembly with an explosion-proof structure, including a storage tank 1, an outer tank layer 2 is sleeved on the outside of the storage tank 1, an explosion-proof mechanism 3 is provided on the top of one side of the outer tank layer 2, and a recovery component 4 is provided on the bottom of one side of the outer tank layer 2.

[0025] The explosion-proof mechanism 3 includes an exhaust pipe 301, a U-shaped tube 302 is welded at one end of the exhaust pipe 301, a first sealing plug 303 is arranged inside the U-shaped tube 302, a connecting tube 304 is welded at the bottom of the U-shaped tube 302, a spring 305 is welded inside the connecting tube 304, a second sealing plug 306 is glued to the top of the spring 305, an overflow port 307 is arranged on the surface of the connecting tube 304, a cooling tube 308 is welded at the bottom of the connecting tube 304, and a box body 309 is sleeved on the outside of the connecting tube 304.

[0026] The recycling component 4 includes a recycling box 401, a rotating shaft 402 is inserted into the interior of the recycling box 401, the output shaft of the motor 403 is installed on the top of the rotating shaft 402, blades 404 and a lever 405 are welded on the surface of the rotating shaft 402, a water pump 406 is installed on one side of the recycling box 401, and a return pipe 407 is inserted on the top of the water pump 406.

[0027] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, a cavity layer is provided between the storage tank 1 and the outer tank layer 2, and the cavity layer is filled with air, and the cooling pipe 308 is distributed in the cavity layer in a spiral winding manner; it should be noted that the air in the cavity layer has a certain heat insulation effect to prevent the staff from being burned, and the cooling pipe 308 is distributed in the cavity layer in a spiral winding manner, and fits with the surface of the storage tank 1. After cooling water is injected into the cooling pipe 308, the surface of the storage tank 1 can be quickly cooled to prevent the surface temperature of the storage tank 1 from being too high, causing an explosion due to excessive internal pressure.

[0028] In this embodiment, Figure 2 As shown, the exhaust pipe 301 and the outer tank layer 2 are plugged in. It should be noted that once the temperature on the surface of the storage tank 1 rises, the air in the cavity layer will expand and contract, and the expanded air will enter the exhaust pipe 301 to avoid explosion due to excessive air pressure in the cavity layer.

[0029] In this embodiment, Figure 5 and Figure 6 As shown, the connecting pipe 304 adopts a concentric reducer that is narrow at the top and wide at the bottom; it should be noted that when the second sealing plug 306 is in contact with the upper half of the connecting pipe 304, it can block the cooling water from entering the cooling pipe 308. Once the second sealing plug 306 slides down to the lower upper half of the connecting pipe 304, the cooling water begins to flow from the gap between the second sealing plug 306 and the connecting pipe 304 to the cooling pipe 308, thereby cooling the storage tank 1.

[0030] In this embodiment, Figure 4 As shown, the shaft 402 is rotated by the motor 403; it should be noted that the motor 403 drives the shaft 402 to rotate, which can further drive the blades 404 and the lever 405 to rotate synchronously. As the lever 405 is turned, the flow rate of the cooling water is accelerated, and the top blades 404 rotate to accelerate the air circulation, so that the recovered cooling water is quickly cooled, which is convenient for the recycling and reuse of the cooling water.

[0031] In this embodiment, Figure 2 and Figure 4As shown, the top of the return pipe 407 is plugged into one side of the box body 309; it should be noted that when the temperature of the cooling water in the recovery box 401 drops to a suitable temperature, it can be pumped into the return pipe 407 by the water pump 406, and flow into the box body 309 through the return pipe 407 to replenish the stored cooling water in the box body 309.

[0032] The use method and advantages of the utility model: When the metal storage tank assembly with explosion-proof structure is used, the working process is as follows:

[0033] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, first, a proper amount of cooling water is injected into the box body 309, and the cooling water enters between the connecting pipe 304 and the U-shaped tube 302 through the overflow port 307. The cooling water is blocked by the first sealing plug 303 to prevent the cooling water from directly entering the exhaust pipe 301. As the temperature of the surface of the storage tank 1 increases, the air in the cavity layer expands and contracts, and the expanded air enters the exhaust pipe 301, squeezing the first sealing plug 303 in the U-shaped tube 302. The first sealing plug 303 slides down to squeeze the second sealing plug 306 and the cooling water. As the second sealing plug 306 continues to slide down, when the second sealing plug 306 slides down to the lower upper half of the connecting pipe 304, the cooling water begins to flow from the gap between the second sealing plug 306 and the connecting pipe 304 to the cooling pipe 308. The cooling pipe 308 is spirally wound in the cavity layer and is connected to the storage tank 1. The surface of the storage tank 1 is fitted, and the surface of the storage tank 1 begins to be cooled. The cooling water is discharged from the bottom of the cooling pipe 308 into the recovery box 401, and the motor 403 is started to drive the blade 404 and the lever 405 to rotate, thereby accelerating the flow rate of the cooling water and the air circulation on the air surface, and rapidly cooling the cooling water inside. After it drops to a certain temperature, it is pumped into the return pipe 407 through the water pump 406 on one side, and flows from the return pipe 407 to the box body 309 to achieve recycling, thereby avoiding the cooling water temperature in the cooling pipe 308 from being too high. After the temperature drops, the air pressure in the cavity layer returns to normal, which is consistent with the air pressure of the U-shaped tube 302. The spring 305 will drive the second sealing plug 306 to reset, and further drive the second sealing plug 306 back to the upper half of the connecting pipe 304 to block the cooling water, thereby avoiding the waste caused by continuous input of cooling water.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A metal storage tank assembly with an explosion-proof structure, comprising a storage tank (1), characterized in that: The storage tank (1) is sleeved with an outer tank layer (2), an explosion-proof mechanism (3) is provided on the top of one side of the outer tank layer (2), and a recovery component (4) is provided on the bottom of one side of the outer tank layer (2); The explosion-proof mechanism (3) comprises an exhaust pipe (301), a U-shaped pipe (302) is welded to one end of the exhaust pipe (301), a first sealing plug (303) is provided inside the U-shaped pipe (302), a connecting pipe (304) is welded to the bottom of the U-shaped pipe (302), a spring (305) is welded to the inside of the connecting pipe (304), a second sealing plug (306) is glued to the top of the spring (305), an overflow port (307) is provided on the surface of the connecting pipe (304), a cooling pipe (308) is welded to the bottom of the connecting pipe (304), and a box (309) is sleeved on the outside of the connecting pipe (304); The recycling assembly (4) comprises a recycling box (401), a rotating shaft (402) is inserted into the interior of the recycling box (401), an output shaft of a motor (403) is mounted on the top of the rotating shaft (402), blades (404) and a lever (405) are welded on the surface of the rotating shaft (402), a water pump (406) is installed on one side of the recycling box (401), and a return pipe (407) is inserted into the top of the water pump (406).

2. The metal storage tank assembly with explosion-proof structure according to claim 1 is characterized in that: A cavity layer is provided between the storage tank (1) and the outer tank layer (2), and the cavity layer is filled with air. The cooling pipe (308) is distributed in the cavity layer in a spirally wound manner.

3. The metal storage tank assembly with explosion-proof structure according to claim 1 is characterized in that: The exhaust pipe (301) and the outer tank layer (2) are connected by plugging.

4. The metal storage tank assembly with explosion-proof structure according to claim 1 is characterized in that: The connecting pipe (304) is a concentric reducer that is narrow at the top and wide at the bottom.

5. The metal storage tank assembly with explosion-proof structure according to claim 1 is characterized in that: The rotating shaft (402) is driven to rotate by a motor (403).

6. The metal storage tank assembly with explosion-proof structure according to claim 1 is characterized in that: The top of the return pipe (407) is plugged into one side of the box (309).

Images