Air pressure control device of hydrogen production machine

Abstract

The utility model relates to the technical field of hydrogen production machines, and discloses a hydrogen production machine air pressure control device which comprises a hydrogen production machine shell, a first heat dissipation hole is formed in the outer surface of the rear end of the hydrogen production machine shell, and a second heat dissipation hole is formed in the outer surface of the upper end of the hydrogen production machine shell. The outer surface of the upper end of the hydrogen production machine shell is fixedly connected with a water inlet pipe, the outer surface of the front end of the hydrogen production machine shell is fixedly connected with a front cover plate, the outer surface of the rear end of the hydrogen production machine shell is fixedly connected with a power socket, and an inner cavity of the hydrogen production machine shell is internally and fixedly connected with an electrolytic cell. The pressure difference between the hydrogen cavity and the oxygen cavity can be controlled through the arranged air pressure control assembly, control over the hydrogen pressure is achieved, it is guaranteed that the pressure in the hydrogen cavity is larger than the pressure in the oxygen cavity all the time, it is guaranteed that the hydrogen production machine can stably operate and produce high-purity hydrogen, and better use prospects can be brought.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen generator technical field, concretely is hydrogen generator gas pressure control device. BACKGROUND

[0002] Hydrogen generator is a kind of device using advanced PSA pressure swing adsorption principle, the adsorption capacity of adsorbent in adsorption tower under certain pressure to different gas is different, thereby separating high-purity hydrogen from ammonia decomposition mixed gas, hydrogen generator is with liquid ammonia as raw material, after reducing pressure by liquid ammonia pressure reducing valve, vaporization in vaporizer again enters decomposition furnace, decomposition furnace is equipped with activated nickel catalyst, and decomposition is carried out at 800 DEG C-850 DEG C temperature, after decomposition, high-temperature gas exchanges heat with gaseous ammonia in heat exchanger, decomposition gas is cooled, and ammonia is recycled heat and is heated to enter decomposition furnace decomposition.

[0003] But it still has some shortcomings, for example: hydrogen generator in the process of hydrogen production, there will be excess hydrogen remaining in the pipeline, lead to we cannot discharge the excess hydrogen in the pipeline, simultaneously, hydrogen generator in the process of using, poor stability, the hydrogen purity produced by it is also not high.

[0004] To solve the above problems, hydrogen generator gas pressure control device is proposed in the application. UTILITY MODEL CONTENTS

[0005] The utility model discloses a hydrogen generator gas pressure control device to solve the problem that the hydrogen generator in prior art in the process of hydrogen production, there will be excess hydrogen remaining in the pipeline, lead to we cannot discharge the excess hydrogen in the pipeline, simultaneously, hydrogen generator in the process of using, poor stability, the hydrogen purity produced by it is also not high.

[0006] To achieve the above object, the utility model provides the following technical scheme: hydrogen generator gas pressure control device, including hydrogen generator shell, the rear end outer surface of hydrogen generator shell is equipped with the heat dissipation hole one, the upper end outer surface of hydrogen generator shell is equipped with the heat dissipation hole two, the upper end outer surface of hydrogen generator shell is fixedly connected with inlet pipe, the front end outer surface of hydrogen generator shell is fixedly connected with front cover plate, the rear end outer surface of hydrogen generator shell is fixedly connected with power socket, the inner chamber of hydrogen generator shell is fixedly connected with electrolytic cell, one side outer surface of electrolytic cell is fixedly connected with connecting pipe one and connecting pipe two, and the connecting pipe one is located at the upper end of connecting pipe two, one end outer surface of connecting pipe one and connecting pipe two is fixedly connected with hydrogen cavity and oxygen cavity, and the hydrogen cavity and oxygen cavity are provided with gas pressure control assembly, one side outer surface of hydrogen cavity and oxygen cavity is fixedly connected with oxygen outlet pipe and hydrogen outlet pipe, and the oxygen outlet pipe is located at the lower end of hydrogen outlet pipe.

[0007] Preferably, the front end outer surface of the hydrogen generator shell is fixedly connected with a control switch, and the inner cavity of the hydrogen generator shell is fixedly connected with a water tank and a controller, and the water tank is located on the outer surface of one side of the controller.

[0008] Preferably, the gas pressure control assembly comprises a connecting pipe three, a sleeve, a connecting pipe four, a positioning clasp one, a positioning clasp two, a limiting ring, a push rod, a sleeve, a baffle, a sealing gasket and a spring, the connecting pipe three is fixedly connected to the outer surface of one side of the hydrogen cavity, the outer surface of one end of the hydrogen cavity is fixedly connected with the sleeve and the connecting pipe four, the sleeve is located on the outer surface of the upper end of the connecting pipe four, the inner wall of the sleeve is fixedly connected with the positioning clasp one and the positioning clasp two, and the positioning clasp one is located on the upper end of the positioning clasp two.

[0009] Preferably, the outer surface of the upper end of the positioning clasp one is fixedly connected with the limiting ring, and the outer surface of the middle part of the positioning clasp one and the positioning clasp two is provided with the push rod.

[0010] Preferably, the outer wall of the push rod is sleeved with the sleeve, the sleeve is fixedly connected to the outer surface of the lower end of the positioning clasp two, the outer surface of one end of the push rod is fixedly connected with the baffle, the outer surface of the lower end of the baffle is fixedly connected with the sealing gasket, and the sealing gasket and the limiting ring are connected in a matched mode.

[0011] Preferably, the outer wall of the push rod is sleeved with the spring, and the spring is located between the positioning clasp one and the positioning clasp two.

[0012] Compared with the prior art, the hydrogen generator gas pressure control device has the advantages that:

[0013] The hydrogen generator gas pressure control device has the advantages that: when the gas pressure in the hydrogen cavity is increased, the hydrogen in the hydrogen cavity enters the sleeve through the connecting pipe, drives the push rod and the baffle in the sleeve to move, and makes the baffle, the sealing gasket and the limiting ring on the upper end of the positioning clasp one contact, so that the excess hydrogen in the pipeline is discharged and sealed, the sleeve and the sealing gasket are arranged, the push rod is more stable when being pushed up and down, the sealing property between the baffle and the positioning clasp one is improved, the pressure difference between the hydrogen cavity and the oxygen cavity is controlled, the hydrogen pressure is controlled, the pressure in the hydrogen cavity is always greater than the pressure in the oxygen cavity, and the hydrogen generator can stably operate and generate high-purity hydrogen. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of the hydrogen generator gas pressure control device and the hydrogen generator.

[0015] Figure 2 It is a whole structure schematic view of the hydrogen generator gas pressure control device.

[0016] Figure 3It is internal structure schematic view of the hydrogen generator gas pressure control device.

[0017] Figure 4 It is structure schematic view of the gas pressure control assembly in the hydrogen generator gas pressure control device.

[0018] In the drawing: 1, hydrogen generator shell;2, heat dissipation hole one;3, heat dissipation hole two;4, water inlet pipe;5, front cover plate;6, power socket;7, control switch;8, water tank;9, controller;10, electrolytic cell;11, connecting pipe one;12, connecting pipe two;13, hydrogen cavity;14, oxygen cavity;15, oxygen outlet pipe;16, hydrogen outlet pipe;17, gas pressure control assembly;18, connecting pipe three;19, sleeve;20, connecting pipe four;21, positioning snap ring one;22, positioning snap ring two;23, limit ring;24, push rod;25, sleeve;26, baffle;27, sealing gasket 27;28, spring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0020] Please refer to Figures 1-2 The utility model provides a technical scheme: hydrogen generator gas pressure control device, including hydrogen generator shell 1, hydrogen generator shell 1 rear end outer surface is set with heat dissipation hole one 2, hydrogen generator shell 1's upper end outer surface is set with heat dissipation hole two 3, hydrogen generator shell 1's upper end outer surface is fixedly connected with water inlet pipe 4, hydrogen generator shell 1's front end outer surface is fixedly connected with front cover plate 5, hydrogen generator shell 1's rear end outer surface is fixedly connected with power socket 6, and the inner chamber of hydrogen generator shell 1 is fixedly connected with electrolytic cell 10, and the outer surface of one side of electrolytic cell 10 is fixedly connected with connecting pipe one 11 and connecting pipe two 12, and connecting pipe one 11 is located in the upper end of connecting pipe two 12, and the outer surface of one end of connecting pipe one 11 and connecting pipe two 12 is fixedly connected with hydrogen cavity 13 and oxygen cavity 14, and the gas pressure control assembly 17 is set between hydrogen cavity 13 and oxygen cavity 14, and the outer surface of one side of hydrogen cavity 13 and oxygen cavity 14 is fixedly connected with oxygen outlet pipe 15 and hydrogen outlet pipe 16, and oxygen outlet pipe 15 is located in the lower end of hydrogen outlet pipe 16, and the front end outer surface of hydrogen generator shell 1 is fixedly connected with control switch 7, and the inner chamber of hydrogen generator shell 1 is fixedly connected with water tank 8 and controller 9, and water tank 8 is located in the outer surface of one side of controller 9, and its overall structure is simple, and it is convenient to operate.

[0021] In the embodiment, as Figures 2-4As shown, the gas pressure control assembly 17 includes connecting pipe three 18, sleeve 19, connecting pipe four 20, positioning snap ring one 21, positioning snap ring two 22, limiting ring 23, push rod 24, sleeve 25, baffle 26, gasket 27 and spring 28, connecting pipe three 18 is fixedly connected to one side of the outer surface of the hydrogen cavity 13, one end of the outer surface of the hydrogen cavity 13 is fixedly connected with sleeve 19 and connecting pipe four 20, and sleeve 19 is located on the upper end of the outer surface of connecting pipe four 20, the inner wall of sleeve 19 is fixedly connected with positioning snap ring one 21 and positioning snap ring two 22, and positioning snap ring one 21 is located on the upper end of positioning snap ring two 22, the positioning snap ring one 21 and the positioning snap ring two 22 are arranged, the push rod 24 is movably connected in the sleeve 19, the upper end of the outer surface of the positioning snap ring one 21 is fixedly connected with the limiting ring 23, the positioning snap ring one 21 and the positioning snap ring two 22 are provided with the push rod 24, the limiting ring 23 is arranged, the gasket 27 is matched and connected on the positioning snap ring one 21, the outer wall of the push rod 24 is sleeved with the sleeve 25, and the lower end of the outer surface of the positioning snap ring two 22 is fixedly connected with the sleeve 25, one end of the outer surface of the push rod 24 is fixedly connected with the baffle 26, the lower end of the outer surface of the baffle 26 is fixedly connected with the gasket 27, and the gasket 27 is matched and connected with the limiting ring 23, the gasket 27 is arranged, the sealing between the baffle 26 and the positioning snap ring one 21 is increased, the outer wall of the push rod 24 is sleeved with the spring 28, and the spring 28 is located between the positioning snap ring one 21 and the positioning snap ring two 22, and the spring 28 is arranged, so that the pressure in the hydrogen cavity 13 is always greater than the pressure in the oxygen cavity 14.

[0022] Working principle:

[0023] The hydrogen generator gas pressure control device, in use, first, through the arrangement of the gas pressure control assembly 17, when the gas pressure in the hydrogen cavity 13 rises, the hydrogen gas in the connecting pipe three 18 enters the sleeve 19, drives the push rod 24 and the baffle 26 in the sleeve 19 to move, makes the baffle 26, the gasket 27 and the limiting ring 23 on the upper end of the positioning snap ring one 21 contact, discharges the excess hydrogen gas in the pipeline, and seals it, and the sleeve 25 and the gasket 27 arranged can be more stable when pushing up and down the push rod 24, and the sealing between the baffle 26 and the positioning snap ring one 21 is improved, so as to control the pressure difference between the hydrogen cavity 13 and the oxygen cavity 14, realize the control of the hydrogen pressure, ensure that the pressure in the hydrogen cavity 13 is always greater than the pressure in the oxygen cavity 14, so as to ensure that the hydrogen generator can run stably and produce high-purity hydrogen.

[0024] Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

Claims

1. A hydrogen generator pressure control device comprising a hydrogen generator housing (1), characterized in that: The rear end outer surface of the hydrogen generator shell (1) is provided with a heat dissipation hole one (2), the upper end outer surface of the hydrogen generator shell (1) is provided with a heat dissipation hole two (3), the upper end outer surface of the hydrogen generator shell (1) is fixedly connected with a water inlet pipe (4), the front end outer surface of the hydrogen generator shell (1) is fixedly connected with a front cover plate (5), the rear end outer surface of the hydrogen generator shell (1) is fixedly connected with a power socket (6), the inner cavity of the hydrogen generator shell (1) is fixedly connected with an electrolytic cell (10), one side outer surface of the electrolytic cell (10) is fixedly connected with a connecting pipe one (11) and a connecting pipe two (12), and the connecting pipe one (11) is located at the upper end of the connecting pipe two (12), one end outer surface of the connecting pipe one (11) and the connecting pipe two (12) is fixedly connected with a hydrogen cavity (13) and an oxygen cavity (14), and a gas pressure control assembly (17) is arranged between the hydrogen cavity (13) and the oxygen cavity (14), one side outer surface of the hydrogen cavity (13) and the oxygen cavity (14) is fixedly connected with an oxygen outlet pipe (15) and a hydrogen outlet pipe (16), and the oxygen outlet pipe (15) is located at the lower end of the hydrogen outlet pipe (16).

2. The hydrogen generator gas pressure control device according to claim 1, characterized by: The front end outer surface of the hydrogen generator shell (1) is fixedly connected with a control switch (7), the inner cavity of the hydrogen generator shell (1) is fixedly connected with a water tank (8) and a controller (9), and the water tank (8) is located on one side of the outer surface of the controller (9).

3. The hydrogen generator gas pressure control device of claim 1, wherein: The gas pressure control assembly (17) comprises a connecting pipe three (18), a sleeve (19), a connecting pipe four (20), a positioning clasp one (21), a positioning clasp two (22), a limiting ring (23), a push rod (24), a sleeve (25), a baffle (26), a sealing gasket (27) and a spring (28), the connecting pipe three (18) is fixedly connected to one side of the outer surface of the hydrogen cavity (13), one end of the outer surface of the hydrogen cavity (13) is fixedly connected with the sleeve (19) and the connecting pipe four (20), and the sleeve (19) is located on the upper end of the outer surface of the connecting pipe four (20), the inner wall of the sleeve (19) is fixedly connected with the positioning clasp one (21) and the positioning clasp two (22), and the positioning clasp one (21) is located at the upper end of the positioning clasp two (22).

4. The hydrogen generator gas pressure control device according to claim 3, characterized by: The upper end of the outer surface of the positioning clasp one (21) is fixedly connected with a limiting ring (23), and the positioning clasp one (21) and the positioning clasp two (22) are provided with a push rod (24) penetrating the outer surface of the middle part.

5. The apparatus according to claim 3, wherein: The outer wall of the push rod (24) is sleeved with a sleeve (25), and the sleeve (25) is fixedly connected to the lower end of the outer surface of the positioning clasp two (22), one end of the outer surface of the push rod (24) is fixedly connected with a baffle (26), the lower end of the outer surface of the baffle (26) is fixedly connected with a sealing gasket (27), and the sealing gasket (27) and the limiting ring (23) are connected.

6. The hydrogen generator gas pressure control device according to claim 3, characterized by: The outer wall of the push rod (24) is sleeved with a spring (28), and the spring (28) is located between the positioning clasp one (21) and the positioning clasp two (22).

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