An electronic grade hydrogen purification device
By designing a sealing mechanism and a leakage detection mechanism, the problem of hydrogen leakage in the hydrogen purification device was solved, achieving sealing of the gas inlet and timely monitoring and alarm of leakage, thus ensuring the safety of the hydrogen purification process.
Patent Information
- Application Number
- CN202422948658.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Existing hydrogen purification devices have difficulty sealing the inlet and outlet tightly, leading to leakage during the hydrogen purification process and posing a safety hazard.
The sealing mechanism consists of a micro motor, a hydraulic cylinder, and a sealing plate. The motor drives the threaded rod to make the sealing plate make tight contact to achieve a seal at the air inlet. The leak detection mechanism works in conjunction with the monitoring box, baffle, and alarm light assembly to monitor and alarm for hydrogen leaks.
It effectively prevents gas leaks during the hydrogen purification process, promptly alerts staff to handle the situation, and ensures safety.
Smart Images

Figure CN223595686U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hydrogen purification technical field, concretely is a kind of electronic grade hydrogen purification device. BACKGROUND
[0002] Hydrogen is a very important industrial raw material and clean energy, can be widely used in petrochemical industry, electric power, metallurgy and other industries, but at present, all walks of life has higher requirement to hydrogen purity. In chemical production, raw material hydrogen often contains oxygen, due to the existence of higher oxygen, it does not meet the requirement of hydrogenation process, also does not meet safety;
[0003] According to the hydrogen purification device (public number: CN219174216U) of one kind disclosed, including the heating mechanism and reaction mechanism of split type setting, heating mechanism is located above the reaction mechanism, heating mechanism includes heating tank and the first gas inlet and first gas outlet protruding on the outside of heating tank, reaction mechanism includes reaction tank and the second gas inlet, second gas outlet protruding on the outside of reaction tank, cavity is provided in reaction tank, first flow guide mechanism, catalytic reaction layer and second flow guide mechanism are sequentially arranged in cavity from top to bottom;
[0004] In the above application, through the mutual cooperation of first gas inlet and second gas inlet assembly, when hydrogen is purified in heating tank, it is difficult to solve the function of tightly sealing gas inlet and gas outlet, so that hydrogen leaks during purification process, and danger is caused, therefore we propose a kind of electronic grade hydrogen purification device. UTILITY MODEL CONTENTS
[0005] The utility model aims at making up for the deficiency of prior art, provide a kind of electronic grade hydrogen purification device.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of electronic grade hydrogen purification device, including heating tank, the top of heating tank is fixedly penetrated with gas inlet warehouse, the bottom of heating tank is fixedly penetrated with conveying pipe, the end of conveying pipe away from the bottom of heating tank is fixedly penetrated with cooling tank, the top of gas inlet warehouse is provided with sealing mechanism;
[0007] The sealing mechanism includes micro motor, the bottom of micro motor is fixedly connected in the top of gas inlet warehouse, the output of micro motor is fixedly connected with threaded rod, the circumferential surface of threaded rod is connected with threaded sleeve, the side of threaded sleeve is fixedly connected with connecting rod, the end of connecting rod away from the side of threaded sleeve is fixedly connected with push plate, the top of gas inlet warehouse is fixedly connected with hydraulic cylinder, one end of hydraulic cylinder is slidably connected with stress rod through piston, the other end of hydraulic cylinder is slidably connected with hydraulic rod through another piston, the end of hydraulic rod away from the side of hydraulic cylinder is fixedly connected with sealing plate.
[0008] The side surface of the hydraulic cylinder is fixedly connected with a first reset spring, one end of the first reset spring away from the side surface of the hydraulic cylinder is fixedly connected with the circumferential surface of the stress rod, the circumferential surface of the threaded rod is fixedly penetrated through the limiting plate, the side surface of the micro motor is fixedly connected with a limiting shaft, the circumferential surface of the limiting shaft is penetrated through the side surface of the threaded sleeve and is in sliding connection with the side surface of the threaded sleeve, the function of the one end of the first reset spring away from the side surface of the hydraulic cylinder being fixedly connected with the circumferential surface of the stress rod is to reset through the elasticity of the first reset spring when the stress rod is not stressed, the function of the circumferential surface of the threaded rod being fixedly penetrated through the limiting plate is to limit the displacement distance of the threaded sleeve through the limiting plate, and the function of the circumferential surface of the limiting shaft being penetrated through the side surface of the threaded sleeve and being in sliding connection with the side surface of the threaded sleeve is to prevent the threaded sleeve from rotating in the moving process through the limiting shaft.
[0009] The one end of the stress rod is located on the displacement track of the push plate, the number of the hydraulic rods and the sealing plates is two and they are mutually symmetrical along the vertical central axis of the hydraulic cylinder, and the function of the one end of the stress rod being located on the displacement track of the push plate is to ensure that the push plate can push the stress rod to move in the moving process, and the function of the number of the hydraulic rods and the sealing plates being two and them being mutually symmetrical along the vertical central axis of the hydraulic cylinder is to seal the inlet of the air inlet chamber through the close adhesion of the two sealing plates.
[0010] The top of the heating tank is provided with a gas leakage monitoring mechanism, the gas leakage monitoring mechanism comprises a rotating shaft, one end of the rotating shaft is fixedly connected with one end of the threaded rod away from the output shaft of the micro motor, the circumferential surface of the rotating shaft is fixedly connected with a trigger rod, the circumferential surface of the conveying pipe is fixedly connected with a monitoring box, a gas conveying channel is arranged in the monitoring box, the top of the monitoring box is provided with an expansion body, the top of the expansion body is fixedly connected with a blocking rod, the top of the monitoring box is provided with an alarm button, the top of the monitoring box is provided with an alarm lamp, the top of the monitoring box is fixedly connected with a second reset spring, one end of the second reset spring away from the top of the monitoring box is fixedly connected with the circumferential surface of the alarm button, and the top of the heating tank is provided with the gas leakage monitoring mechanism, so that the conveying pipe can timely remind the staff to handle when hydrogen gas leaks.
[0011] The triggering end of the alarm button is located on the displacement track of the trigger rod, the side surface of the blocking rod is in contact with the side surface of the trigger rod, the function of the triggering end of the alarm button being located on the displacement track of the trigger rod is to ensure that the trigger rod can trigger the alarm button when the trigger rod rotates, and the function of the side surface of the blocking rod being in contact with the side surface of the trigger rod is to ensure that the blocking rod can block the trigger rod.
[0012] Compared with the prior art, the electronic-grade hydrogen gas purification device has the following beneficial effects:
[0013] I. This utility model utilizes the interplay between components such as the micro motor, hydraulic cylinder, and sealing plate in the sealing mechanism. When hydrogen needs purification, the operator introduces the hydrogen to be purified into the inlet chamber through the inlet. The operator then activates the micro motor, causing the push plate to push the hydraulic rod. The force rod extends the hydraulic rod outward, moving the sealing plate and ensuring tight contact between the two sealing plates. This seals the inlet of the inlet chamber, effectively preventing gas leakage during the purification process.
[0014] II. This utility model utilizes the coordinated operation of components such as the monitoring box, baffle, and alarm light in a gas leak detection mechanism. When hydrogen is being purified in the heating tank, delivery pipe, and cooling tank, the operator starts a micro motor to rotate the shaft clockwise, causing the trigger rod to rotate clockwise. The trigger rod stops when blocked by the baffle. When hydrogen leaks in the delivery pipe, the expansion body expands under the pressure of the gas. During the expansion, the baffle moves upward, moving away from the side of the trigger rod. Then, the trigger rod rotates clockwise, pressing the trigger end of the alarm button, causing the alarm light to flash and alert the operator to the gas leak. This design effectively monitors gas leaks, promptly alerting operators to the leak and ensuring their safety.
[0015] Other advantages, objectives and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination or study, or may be taught from the practice of this invention. Attached Figure Description
[0016] Figure 1 This is a structural schematic diagram of the three-dimensional appearance of the present invention from a first-person perspective;
[0017] Figure 2 This is a first-person three-dimensional cross-sectional structural schematic diagram of the present invention;
[0018] Figure 3 This is a schematic diagram of the structure of the present invention from a second-view three-dimensional cross-section;
[0019] Figure 4 This utility model Figure 1 A three-dimensional magnified structural diagram of A in the middle;
[0020] Figure 5 This utility model Figure 2 A three-dimensional magnified structural diagram of B;
[0021] Figure 6 This utility model Figure 3A three-dimensional enlarged structural schematic view of the middle C.
[0022] In the figure: 1, heating tank; 2, air inlet bin; 3, conveying pipe; 4, cooling tank; 5, sealing mechanism; 51, micro motor; 52, threaded rod; 53, threaded sleeve; 54, connecting rod; 55, push plate; 56, hydraulic cylinder; 57, force rod; 58, hydraulic rod; 59, sealing plate; 510, first reset spring; 511, limiting plate; 512, limiting shaft; 6, air leakage monitoring mechanism; 61, rotating shaft; 62, trigger rod; 63, monitoring box; 64, gas conveying channel; 65, expansion body; 66, blocking rod; 67, alarm button; 68, alarm light; 69, second reset spring. DETAILED DESCRIPTION
[0023] 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, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] As Figures 1-6 shown, the present application provides a technical solution: an electronic-grade hydrogen purification device, comprising a heating tank 1, a gas inlet bin 2 is fixedly penetrated through the top of the heating tank 1, a conveying pipe 3 is fixedly penetrated through the bottom of the heating tank 1, a cooling tank 4 is fixedly penetrated through one end of the conveying pipe 3 away from the bottom of the heating tank 1, and the top of the gas inlet bin 2 is provided with a sealing mechanism 5.
[0025] The sealing mechanism 5 comprises a micro motor 51, the bottom of the micro motor 51 is fixedly connected to the top of the gas inlet bin 2, the output end of the micro motor 51 is fixedly connected with a threaded rod 52, the circumferential surface of the threaded rod 52 is threadedly connected with a threaded sleeve 53, the side surface of the threaded sleeve 53 is fixedly connected with a connecting rod 54, one end of the connecting rod 54 away from the side surface of the threaded sleeve 53 is fixedly connected with a push plate 55, the top of the gas inlet bin 2 is fixedly connected with a hydraulic cylinder 56, one end of the hydraulic cylinder 56 is slidingly connected with a force rod 57 through a piston, the other end of the hydraulic cylinder 56 is slidingly connected with a hydraulic rod 58 through another piston, and one end of the hydraulic rod 58 away from the side surface of the hydraulic cylinder 56 is fixedly connected with a sealing plate 59.
[0026] The side surface of the hydraulic cylinder 56 is fixedly connected with a first return spring 510, one end of the first return spring 510 away from the side surface of the hydraulic cylinder 56 is fixedly connected with the circumferential surface of the stress rod 57, the circumferential surface of the threaded rod 52 is fixedly penetrated through the limiting plate 511, the side surface of the micro motor 51 is fixedly connected with a limiting shaft 512, the circumferential surface of the limiting shaft 512 is penetrated through the side surface of the threaded sleeve 53 and is in sliding connection with the side surface of the threaded sleeve 53, and the action that the one end of the first return spring 510 away from the side surface of the hydraulic cylinder 56 is fixedly connected with the circumferential surface of the stress rod 57 is that the stress rod 57 is reset by the elasticity of the first return spring 510 when the stress rod 57 is not stressed, the action that the circumferential surface of the threaded rod 52 is fixedly penetrated through the limiting plate 511 is that the displacement distance of the threaded sleeve 53 is limited by the limiting plate 511, and the action that the circumferential surface of the limiting shaft 512 is penetrated through the side surface of the threaded sleeve 53 and is in sliding connection with the side surface of the threaded sleeve 53 is that the threaded sleeve 53 is prevented from rotating in the moving process by the limiting shaft 512.
[0027] One end of the stress rod 57 is located on the displacement track of the push plate 55, the number of the hydraulic rods 58 and the sealing plates 59 is two and they are mutually symmetrical along the vertical central axis of the hydraulic cylinder 56, and the action that one end of the stress rod 57 is located on the displacement track of the push plate 55 is that the push plate 55 can push the stress rod 57 to move in the moving process, and the action that the number of the hydraulic rods 58 and the sealing plates 59 is two and they are mutually symmetrical along the vertical central axis of the hydraulic cylinder 56 is that the inlet of the air inlet chamber 2 is sealed by the close contact of the two sealing plates 59.
[0028] When the hydrogen needs to be purified, the staff puts the hydrogen to be purified into the air inlet chamber 2 through the inlet of the air inlet chamber 2, at this time, in order to prevent the hydrogen from leaking through the inlet of the air inlet chamber 2, the staff starts the micro motor 51, the output shaft of the micro motor 51 rotates clockwise, the output shaft of the micro motor 51 rotates clockwise to drive the threaded rod 52 to rotate counterclockwise, the threaded sleeve 53 connected with the circumferential surface of the threaded rod 52 moves to the right to the left, the threaded sleeve 53 moves to the right to the left drives the push plate 55 to move to the right to the left through the connecting rod 54, the push plate 55 moves to the right to the left pushes the stress rod 57 of the hydraulic cylinder 56 in the moving process, the stress rod 57 is retracted into the hydraulic cylinder 56 under the thrust, at this time, the hydraulic rod 58 of the hydraulic cylinder 56 is stretched outwards under the pressure of the liquid in the hydraulic cylinder 56, the hydraulic rod 58 is stretched outwards to drive the sealing plate 59 to move, so that the two sealing plates 59 are in close contact, and the inlet of the air inlet chamber 2 is sealed.
[0029] A leak detection mechanism 6 is installed on the top of the heating tank 1. The leak detection mechanism 6 includes a rotating shaft 61. One end of the rotating shaft 61 is fixedly connected to the end of the threaded rod 52 away from the output shaft of the micro motor 51. A trigger rod 62 is fixedly connected to the circumferential surface of the rotating shaft 61. A monitoring box 63 is fixedly connected to the circumferential surface of the delivery pipe 3. A gas delivery channel 64 is opened inside the monitoring box 63. An expansion body 65 is installed on the top of the monitoring box 63. A stop bar 66 is fixedly connected to the top of the expansion body 65. An alarm button 67 and an alarm light 68 are installed on the top of the monitoring box 63. A second return spring 69 is fixedly connected to the top of the monitoring box 63. The end of the second return spring 69 away from the top of the monitoring box 63 is fixedly connected to the circumferential surface of the alarm button 67. The function of the leak detection mechanism 6 on the top of the heating tank 1 is to promptly remind the staff to handle the situation when hydrogen is leaked from the delivery pipe 3.
[0030] The trigger end of the alarm button 67 is located on the displacement trajectory of the trigger rod 62. The side of the stop rod 66 is in contact with the side of the trigger rod 62. The function of the trigger end of the alarm button 67 being located on the displacement trajectory of the trigger rod 62 is to ensure that the alarm button 67 can be triggered when the trigger rod 62 rotates. The function of the side of the stop rod 66 being in contact with the side of the trigger rod 62 is to ensure that the stop rod 66 can block the trigger rod 62.
[0031] A method of using an electronic-grade hydrogen purification device includes the following steps:
[0032] S1: When hydrogen needs to be purified, the staff will put the hydrogen to be purified into the inlet of inlet chamber 2 and seal the inlet of inlet chamber 2.
[0033] S2: During the purification process of hydrogen in heating tank 1, delivery pipe 3 and cooling tank 4, in order to prevent hydrogen leakage from going undetected, the staff will start the micro motor 51 and press the trigger end of the alarm button 67 to make the alarm light 68 flash, reminding the staff of the gas leak.
[0034] The model numbers of the micro motor 51 and the alarm light 68 in S2 are EU2200i and LME-120-S1, respectively.
[0035] When hydrogen is purified in the heating tank 1, the conveying pipe 3 and the cooling tank 4, to prevent hydrogen leakage from being unable to be found in time, at the beginning of the purification, the staff starts the micro motor 51, the output shaft of the micro motor 51 rotates counterclockwise, the output shaft of the micro motor 51 counterclockwise rotation drives the threaded rod 52 to rotate clockwise, the threaded rod 52 one end fixed pivot 61 follow the threaded rod 52 clockwise rotation, the pivot 61 clockwise rotation drives the trigger rod 62 clockwise rotation, at this time the trigger rod 62 is blocked by the stop bar 66 stop, when hydrogen is leaking in the conveying pipe 3, hydrogen flows to the top of the monitoring box 63 through the gas inlet 64 in the monitoring box 63, at this time the expansion body 65 is expanded by the pressure of the gas, the expansion body 65 expands in the process of driving the stop bar 66 to move upwards, and then away from the side of the trigger rod 62, at this time the trigger rod 62 is not blocked to rotate clockwise, the trigger rod 62 clockwise rotation to the trigger end of the alarm button 67 is pressed, so that the alarm light 68 flashes, reminding the staff of gas leakage.
[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An electronic-grade hydrogen purification device, comprising a heating tank (1), characterized in that: The top of the heating tank (1) is fixedly connected to an air inlet chamber (2), the bottom of the heating tank (1) is fixedly connected to a conveying pipe (3), the end of the conveying pipe (3) away from the bottom of the heating tank (1) is fixedly connected to a cooling tank (4), and the top of the air inlet chamber (2) is provided with a sealing mechanism (5). The sealing mechanism (5) includes a micro motor (51), the bottom of which is fixedly connected to the top of the air inlet chamber (2). The output end of the micro motor (51) is fixedly connected to a threaded rod (52). A threaded sleeve (53) is threadedly connected to the circumferential surface of the threaded rod (52). A connecting rod (54) is fixedly connected to the side of the threaded sleeve (53). A push plate (55) is fixedly connected to the end of the connecting rod (54) away from the side of the threaded sleeve (53). A hydraulic cylinder (56) is fixedly connected to the top of the air inlet chamber (2). A force-bearing rod (57) is slidably connected to one end of the hydraulic cylinder (56) through a piston. A hydraulic rod (58) is slidably connected to the other end of the hydraulic cylinder (56) through another piston. A sealing plate (59) is fixedly connected to the end of the hydraulic rod (58) away from the side of the hydraulic cylinder (56).
2. The electronic-grade hydrogen purification device according to claim 1, characterized in that: A first return spring (510) is fixedly connected to the side of the hydraulic cylinder (56). The end of the first return spring (510) away from the side of the hydraulic cylinder (56) is fixedly connected to the circumferential surface of the force rod (57). The circumferential surface of the threaded rod (52) is fixedly connected through the limit plate (511). A limiting shaft (512) is fixedly connected to the side of the micro motor (51). The circumferential surface of the limiting shaft (512) is connected through the side of the threaded sleeve (53) and is slidably connected to the side of the threaded sleeve (53).
3. The electronic-grade hydrogen purification device according to claim 2, characterized in that: One end of the force-bearing rod (57) is located on the displacement trajectory of the push plate (55). The number of hydraulic rods (58) and sealing plates (59) is set to two, and they are symmetrical to each other along the vertical central axis of the hydraulic cylinder (56).
4. The electronic-grade hydrogen purification device according to claim 3, characterized in that: A leak detection mechanism (6) is provided on the top of the heating tank (1). The leak detection mechanism (6) includes a rotating shaft (61). One end of the rotating shaft (61) is fixedly connected to the end of the threaded rod (52) away from the output shaft of the micro motor (51). A trigger rod (62) is fixedly connected to the circumferential surface of the rotating shaft (61). A monitoring box (63) is fixedly connected to the circumferential surface of the conveying pipe (3). An air delivery channel (64) is opened inside the monitoring box (63). An expansion body (65) is provided on the top of the box (63), and a stop bar (66) is fixedly connected to the top of the expansion body (65). An alarm button (67) is provided on the top of the monitoring box (63), and an alarm light (68) is provided on the top of the monitoring box (63). A second return spring (69) is fixedly connected to the top of the monitoring box (63), and one end of the second return spring (69) away from the top of the monitoring box (63) is fixedly connected to the circumferential surface of the alarm button (67).
5. The electronic-grade hydrogen purification device according to claim 4, characterized in that: The trigger end of the alarm button (67) is located on the displacement trajectory of the trigger rod (62), and the side of the stop rod (66) is in contact with the side of the trigger rod (62).
Citation Information
Patent Citations
Hydrogen purification device
CN219174216U