Experimental device for corrosion resistance of long pipe type hydrogen storage tank

Abstract

The utility model relates to the field of long pipe type hydrogen storage tank experiments, in particular to a corrosion resistance experiment device for a long pipe type hydrogen storage tank. The utility model provides a corrosion resistance experiment device for a long-tube hydrogen storage tank, which is convenient to carry out a corrosion resistance experiment on a part of the hydrogen storage tank, is convenient to evaluate the corrosion resistance of a specific area, and is convenient to operate and use. A corrosion resistance experiment device for a long pipe type hydrogen storage tank comprises a connecting frame, a motor and the like, and the upper side of the left portion of the connecting frame is connected with the motor. The movable frame moves under the action of the threads to drive the gas storage tank to move, then liquid is sprayed to a part of area on the gas storage tank, and a contrast experiment is carried out by observing the area where the liquid is sprayed and the area where the liquid is not sprayed, so that the corrosion resistance experiment can be conveniently carried out on the local part of the hydrogen storage tank; the corrosion resistance of a specific area can be evaluated conveniently, and the device is convenient to operate and use.

Description

Technical Field

[0001] The utility model relates to the field of long-tube hydrogen storage tank experiments, in particular to a long-tube hydrogen storage tank corrosion resistance experimental device. Background Art

[0002] With the transformation of the global energy structure and the increasing awareness of environmental protection, hydrogen energy, as a clean and efficient energy carrier, is gradually gaining attention and promotion in various countries. In the hydrogen energy industry chain, hydrogen storage tanks are key equipment for storing and transporting hydrogen. Their safety and reliability are directly related to the efficiency and safety of hydrogen energy applications. Long-tube hydrogen storage tanks, due to their high hydrogen storage density, compact structure, and ease of transportation, have broad application prospects in hydrogen fuel cell vehicles, hydrogen power plants, and hydrogen energy industrial applications. However, over the long term, the materials of long-tube hydrogen storage tanks may suffer varying degrees of corrosion, which in turn affects the tank's sealing performance, pressure resistance, and service life.

[0003] Therefore, it is necessary to design a long-tube hydrogen storage tank corrosion resistance test device that is convenient for conducting local corrosion resistance tests on hydrogen storage tanks, facilitating the evaluation of the corrosion resistance of specific areas, and easy to operate and use. Utility Model Content

[0004] In order to overcome the disadvantage that the material of a long-tube hydrogen storage tank may suffer from varying degrees of corrosion during long-term use, thereby affecting the sealing, pressure-bearing capacity and service life of the hydrogen storage tank, the utility model provides a long-tube hydrogen storage tank corrosion resistance test device which is convenient for conducting local corrosion resistance tests on the hydrogen storage tank and facilitating the evaluation of the corrosion resistance of a specific area, and is easy to operate and use.

[0005] The technical solution of the utility model is: a long tube type hydrogen storage tank corrosion resistance test device, including a connecting frame, a motor, a screw rod, a movable frame, a fixed plate and a spraying assembly, the upper left side of the connecting frame is connected to the motor, the motor output shaft is connected to the screw rod, the screw rod is rotatably connected to the connecting frame, the middle part of the screw rod is threadedly connected to the movable frame, the movable frame is slidably connected to the connecting frame, the left and right parts of the movable frame are detachably connected to the fixed plates, a gas storage tank is placed on the upper part of the movable frame, the fixed plates are in contact with the gas storage tank, and the front and rear parts of the connecting frame are provided with spraying assemblies.

[0006] In one embodiment, the spray assembly includes a spray pipe and a first connecting hose. The upper portion of the connecting frame is connected to two front and rear spray pipes, and the outer sides of the spray pipes are connected to the first connecting hose.

[0007] In one embodiment, heating wires are further included, and a plurality of heating wires are connected to the front and rear parts of the connecting frame.

[0008] In one embodiment, it also includes an air pump, a fixed tube and a second connecting hose. The air pump is connected to the left front part of the connecting frame, the fixed tube is connected to the upper side of the air pump, the fixed tube passes through the connecting frame, the second connecting hose is connected to the upper side of the fixed tube, and the second connecting hose is connected to the air tank.

[0009] In one embodiment, the second connecting hose is made of polytetrafluoroethylene.

[0010] In one embodiment, a connecting pipe is further included, and the right part of the air pump is connected to the connecting pipe.

[0011] The beneficial effects of the utility model are as follows: the utility model moves the movable frame under the action of the thread, thereby driving the gas tank to move, and then the liquid is sprayed to a partial area on the gas tank, and then a comparative experiment is conducted by observing the area where the liquid is sprayed and the area where the liquid is not sprayed, thereby achieving the effect of being able to conveniently conduct anti-corrosion tests on local parts of the hydrogen storage tank, facilitating the evaluation of the corrosion resistance of specific areas, and being easy to operate and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model.

[0014] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model.

[0015] Explanation of the reference numerals: 1 connecting frame, 2 motor, 3 screw rod, 4 movable frame, 5 fixed plate, 6 gas tank, 7 nozzle, 8 first connecting hose, 9 heating wire, 10 air pump, 11 connecting pipe, 12 fixed pipe, 13 second connecting hose. DETAILED DESCRIPTION

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0017] A long tube hydrogen storage tank corrosion resistance test device, such as Figure 1 As shown, it includes a connecting frame 1, a motor 2, a screw rod 3, a movable frame 4, a fixed plate 5 and a spraying assembly. The motor 2 is connected to the upper left side of the connecting frame 1, and the screw rod 3 is connected to the output shaft of the motor 2. The screw rod 3 is rotatably connected to the connecting frame 1. The middle part of the screw rod 3 is threadedly connected to the movable frame 4, and the movable frame 4 is slidingly connected to the connecting frame 1. The left and right parts of the movable frame 4 are detachably connected to the fixed plate 5. An air tank 6 is placed on the upper part of the movable frame 4, and the fixed plates 5 are in contact with the air tank 6. The front and rear parts of the connecting frame 1 are both provided with a spraying assembly.

[0018] like Figure 1 and Figure 3As shown, the spray assembly includes a nozzle 7 and a first connecting hose 8. The upper part of the connecting frame 1 is connected to the front and rear nozzles 7, and the outer sides of the nozzles 7 are connected to the first connecting hose 8.

[0019] like Figure 1-Figure 3 As shown, it also includes a heating wire 9, an air pump 10, a fixed tube 12, a second connecting hose 13 and a connecting tube 11. Eight heating wires 9 are connected to the front and rear parts of the connecting frame 1. The left front part of the connecting frame 1 is connected to the air pump 10, and the right part of the air pump 10 is connected to the connecting tube 11. The upper side of the air pump 10 is connected to the fixed tube 12, which passes through the connecting frame 1. The upper side of the fixed tube 12 is connected to the second connecting hose 13. The second connecting hose 13 is made of polytetrafluoroethylene and has very high chemical stability. The second connecting hose 13 is connected to the gas tank 6.

[0020] When using this device, first place the connecting frame 1 in the long tube hydrogen tank corrosion resistance test area, then place the gas tank 6 on the mobile frame 4, and then fix the fixing plate 5 on the mobile frame 4 with screws, fix the gas tank 6 through the fixing plate 5, then start the motor 2 to drive the screw rod 3 to rotate, so that the mobile frame 4 moves under the action of the thread, driving the gas tank 6 to move, after moving to a certain position, connect the corrosive liquid to the outside through the first connecting hose 8, so that the liquid is sprayed to a part of the area on the gas tank 6, and then observe A comparative experiment is carried out between the area where the liquid is sprayed and the area where it is not sprayed, so that the corrosion resistance test of the local part of the hydrogen storage tank can be conveniently carried out, and the corrosion resistance performance of the specific area can be evaluated. It is easy to operate and use, and can then be used to simulate a high-temperature environment for experiments. When it is necessary to carry out an anti-corrosion test on the inside of the gas tank 6, a corrosive gas can be connected to the outside through the connecting pipe 11, and then the air pump 10 is started to allow the gas to be input into the gas tank 6 through the fixed pipe 12 and the second connecting hose 13, and then the corrosion resistance test on the inside of the gas tank 6 is carried out.

[0021] The above description is merely an example of the implementation of the present invention and is not intended to limit the present invention. Any equivalent substitutions made within the principles of the present invention shall be included within the scope of protection of the present invention. Any matters not fully described in the present invention are prior art known to those skilled in the art.

Claims

1. A long-tube hydrogen storage tank corrosion resistance test device, characterized by: The invention comprises a connecting frame (1), a motor (2), a screw rod (3), a movable frame (4), a fixed plate (5) and a spraying assembly. The upper left side of the connecting frame (1) is connected to the motor (2), the output shaft of the motor (2) is connected to the screw rod (3), the screw rod (3) is rotatably connected to the connecting frame (1), the middle part of the screw rod (3) is threadedly connected to the movable frame (4), the movable frame (4) is slidably connected to the connecting frame (1), the left and right parts of the movable frame (4) are detachably connected to the fixed plate (5), the upper part of the movable frame (4) is provided with an air storage tank (6), the fixed plate (5) is in contact with the air storage tank (6), and the front and rear parts of the connecting frame (1) are both provided with the spraying assembly.

2. The long-tube hydrogen storage tank corrosion resistance test device according to claim 1, characterized in that: The spray assembly comprises a spray pipe (7) and a first connecting hose (8); the upper portion of the connecting frame (1) is connected to two front and rear spray pipes (7); and the outer sides of the spray pipes (7) are connected to the first connecting hose (8).

3. The long-tube hydrogen storage tank corrosion resistance test device according to claim 2, characterized in that: It also includes heating wires (9), and the front and rear parts of the connecting frame (1) are both connected to a plurality of heating wires (9).

4. A long-tube hydrogen storage tank corrosion resistance test device as claimed in claim 3, characterized in that: The invention also includes an air pump (10), a fixed pipe (12) and a second connecting hose (13). The air pump (10) is connected to the left front portion of the connecting frame (1). The upper side of the air pump (10) is connected to the fixed pipe (12). The fixed pipe (12) passes through the connecting frame (1). The upper side of the fixed pipe (12) is connected to the second connecting hose (13). The second connecting hose (13) is connected to the air storage tank (6).

5. The long-tube hydrogen storage tank corrosion resistance test device according to claim 4, characterized in that: The second connecting hose (13) is made of polytetrafluoroethylene.

6. A long-tube hydrogen storage tank corrosion resistance test device as claimed in claim 5, characterized in that: The air pump (10) further comprises a connecting pipe (11), and the right part thereof is connected with the connecting pipe (11).

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