A hydrogen purification and recovery device

Abstract

The utility model relates to the technical field of hydrogen purification and recovery, and specifically is a hydrogen purification and recovery device, comprising a processing tank, the bottom end of which is connected with a conduit; a replacement mechanism, which can quickly disassemble and replace a filter device and improve the purification effect, and the replacement mechanism is arranged on one side of the processing tank; by arranging the replacement mechanism, two filter plates cooperate with an activated carbon adsorbent to filter and adsorb moisture and impurities in hydrogen, and octyl silica gel further purifies and filters the cleaned gas, the top cover can be quickly disassembled by rotating the fixing nut, the sealing gasket can increase the sealing between the top cover and the filter box, the mounting block can be taken out of the mounting groove by a handle, the activated carbon adsorbent and the octyl silica gel in the mounting block can be replaced, the exhaust fan in the conduit can transport the gas in the processing tank to the filter box, the filtering device can be quickly disassembled and replaced, and the filtering effect of the device on hydrogen is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen purification and recovery, in particular to a hydrogen purification and recovery device. Background Art

[0002] Hydrogen is a single substance formed by hydrogen element, with chemical formula H2 and molecular weight of 2.01588. Hydrogen is a colorless, odorless, highly flammable and insoluble gas at room temperature and pressure. The density of hydrogen is 0.089g / L (101.325kpa, 0℃), which is only 1 / 14 of air. It is the smallest known gas in the world. When recovering hydrogen, it is necessary to use a purification recovery device to separate and filter the mixed gas.

[0003] After searching the Chinese patent "A Hydrogen Recovery and Purification Device", the publication number is "CN211971765U". This patent can realize the cleaning of the hydrogen filter through the hydrogen recovery and purification device, avoid the clogging of the filter mesh, realize the timely removal of moisture in the water absorption layer, ensure the water absorption performance and air permeability of the water absorption layer, and realize the convenient installation, disassembly and replacement of the water absorption layer and the activated carbon frame, making the overall device more convenient to use. However, when the device is used, the replacement of the filter device is relatively cumbersome, and it is not convenient to quickly disassemble and replace the filter device, which reduces the filtering effect of the device.

[0004] Therefore, a hydrogen purification and recovery device is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a hydrogen purification and recovery device in order to solve the above-mentioned problem, thereby improving the problem that it is inconvenient to quickly disassemble and replace the filtering device.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: a hydrogen purification and recovery device, including a processing tank, the bottom end of which is connected to a conduit; a replacement mechanism, which can quickly disassemble and replace the filter device and improve the purification effect, and the replacement mechanism is arranged on one side of the processing tank; wherein the replacement mechanism also includes a filter box connected to one end of the conduit, and the inner wall of the processing tank is provided with a cleaning component.

[0007] Preferably, the replacement mechanism also includes a mounting block that is snapped onto the inner wall of the filter box, a mounting groove that matches the mounting block is opened on one side of the inner wall of the filter box, two filter plates are arranged on one side of the inner wall of the mounting block, and an activated carbon adsorbent is arranged between the two filter plates, so that the activated carbon adsorbent can be quickly installed and disassembled, making it convenient to replace it.

[0008] Preferably, octyl silica gel is provided on the other side of the inner wall of the mounting block, which can improve the filtering effect of hydrogen and facilitate quick disassembly thereof.

[0009] Preferably, a handle is hinged on the top of the mounting block to facilitate taking the mounting block out of the filter box.

[0010] Preferably, a top cover is clamped on the top of the filter box, a sealing gasket is provided between the top cover and the filter box, the top end of the top cover is threadedly connected with several evenly distributed fixing nuts, one end of the fixing nut passes through the top cover and is threadedly connected to the filter box, which can limit the mounting block and facilitate its disassembly.

[0011] Preferably, one end of the inner wall of the conduit is rotatably connected to an exhaust fan, so that the hydrogen can be transported quickly.

[0012] Preferably, the cleaning component includes a filter membrane arranged on the inner wall of the processing tank, a collecting block is fixedly connected to one side of the processing tank, a fixing plate is fixedly connected to the inner wall of the processing tank, the fixing plate and the inner wall of the collecting block are rotatably connected to a screw, one end of the screw is fixedly connected to a servo motor, the filter membrane can filter and separate the moisture and impurities in the hydrogen, and facilitate the collection of the filtered moisture and impurities.

[0013] Preferably, the bottom end of the fixed plate is slidably connected to a mounting plate, the mounting plate is threadedly connected to the screw rod, the inner wall of the mounting plate is slidably connected to a fixed block, the bottom end of the fixed block is fixedly connected to a plurality of evenly distributed scrapers, and a plurality of evenly distributed compression springs are arranged between the fixed block and the mounting plate, which can clean the water and impurities filtered from the filter membrane and improve the purification effect of the device.

[0014] The beneficial effects of the utility model are:

[0015] 1. By setting up a replacement mechanism, when purifying and recovering hydrogen, the two filter plates cooperate with the activated carbon adsorbent to filter and adsorb the moisture and impurities in the hydrogen to purify the hydrogen, and the octyl silica gel further purifies and filters the cleaned hydrogen. The top cover can be quickly disassembled by turning the fixing nut, and the sealing gasket can increase the sealing between the top cover and the filter box. The mounting block can be taken out of the mounting groove by the handle, and the activated carbon adsorbent and octyl silica gel in the mounting block can be replaced to improve the purification efficiency of the device. The exhaust fan in the duct can transport the gas in the processing tank to the filter box. The filter device can be quickly disassembled and replaced to improve the filtering effect of the device on hydrogen.

[0016] 2. By setting up a cleaning component, when filtering and purifying hydrogen, the filter membrane can separate hydrogen from other impurities in the mixed gas and improve the purity of hydrogen. The rotating screw cooperates with the mounting plate to drive several scrapers at the bottom of the fixed block to clean the impurities on the filter membrane. The filter membrane is tilted to one side, and the impurities can be cleaned into the collection block to improve the filtering and separation effect of the device. The fixed plate cooperates with the compression spring to move up and down for self-adjustment to improve the cleaning effect. The impurities on the filter membrane can be quickly cleaned, thereby improving the filtering and separation effect of the filter membrane. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the replacement mechanism structure of the utility model;

[0019] Figure 3 It is a partial structural schematic diagram of the replacement mechanism of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the cleaning component of the utility model.

[0021] In the figure: 1. processing tank; 2. conduit; 3. replacement mechanism; 301. filter box; 302. mounting block; 303. mounting groove; 304. filter plate; 305. activated carbon adsorbent; 306. octyl silica gel; 307. handle; 308. top cover; 309. sealing gasket; 310. fixing nut; 311. exhaust fan; 312. cleaning assembly; 3121. filter membrane; 3122. collecting block; 3123. fixing plate; 3124. screw; 3125. mounting plate; 3126. fixing block; 3127. scraper; 3128. compression spring. DETAILED DESCRIPTION

[0022] 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 technicians in this field without creative work are within the scope of protection of the utility model.

[0023] When implementing: Figure 1-4 As shown, a hydrogen purification and recovery device comprises a processing tank 1, the bottom end of which is connected to a conduit 2; a replacement mechanism 3, which can quickly disassemble and replace the filter device and improve the purification effect, is arranged on one side of the processing tank 1; wherein the replacement mechanism 3 also includes a filter box 301 connected to one end of the conduit 2, and a cleaning component 312 is arranged on the inner wall of the processing tank 1.

[0024] like Figure 2 and Figure 3 As shown, the replacement mechanism 3 also includes a mounting block 302 clamped on the inner wall of the filter box 301, a mounting groove 303 matching the mounting block 302 is opened on one side of the inner wall of the filter box 301, two filter plates 304 are arranged on one side of the inner wall of the mounting block 302, an activated carbon adsorbent 305 is arranged between the two filter plates 304, octyl silica gel 306 is arranged on the other side of the inner wall of the mounting block 302, a handle 307 is hinged on the top of the mounting block 302, a top cover 308 is clamped on the top of the filter box 301, a sealing gasket 309 is arranged between the top cover 308 and the filter box 301, and a plurality of evenly distributed fixing screws are threadedly connected to the top of the top cover 308 The nut 310 has one end which penetrates the top cover 308 and is threadedly connected to the filter box 301. One end of the inner wall of the conduit 2 is rotatably connected to the exhaust fan 311. The top cover 308 can be removed from the filter box 301 by rotating the fixing nut 310 which is threadedly connected to the filter box 301 and moving upward. The mounting block 302 can be moved upwardly and taken out from the mounting groove 303 by pulling the handle 307. The activated carbon adsorbent 305 and the octyl silica gel 306 can be quickly replaced. The exhaust fan 311 can transport the hydrogen in the processing tank 1 to the filter box 301. The filtering device can be quickly disassembled and replaced to improve the filtering effect of the device on hydrogen.

[0025] like Figure 4 As shown, the cleaning assembly 312 includes a filter membrane 3121 arranged on the inner wall of the processing tank 1, a collecting block 3122 is fixedly connected to one side of the processing tank 1, a fixing plate 3123 is fixedly connected to the inner wall of the processing tank 1, the fixing plate 3123 and the inner wall of the collecting block 3122 are both rotatably connected with a screw rod 3124, the bottom end of the fixing plate 3123 is slidably connected with a mounting plate 3125, the mounting plate 3125 is threadedly connected to the screw rod 3124, the inner wall of the mounting plate 3125 is slidably connected with a fixing block 3126, and the bottom end of the fixing block 3126 is fixedly connected with a plurality of evenly distributed scrapers 3127, Several evenly distributed compression springs 3128 are arranged between the fixed block 3126 and the mounting plate 3125. When the filter membrane 3121 purifies hydrogen, the screw rod 3124 is threadedly connected with the mounting plate 3125 to drive the scraper 3127 at the bottom end of the fixed block 3126 to reciprocate toward both ends to filter the impurities on the filter membrane 3121. The fixed block 3126 cooperates with the compression spring 3128 to move up and down to clean the impurities into the collecting block 3122. The impurities on the filter membrane 3121 can be quickly cleaned, thereby improving the filtering and separation effect of the filter membrane 3121.

[0026] When the utility model is in use, the fixing nut 310 is manually rotated to be threadedly connected with the filter box 301, moved upward and taken out from the filter box 301, the top cover 308 is removed from the filter box 301, and the mounting block 302 is moved upward and taken out from the mounting groove 303 by pulling the handle 307, and the activated carbon adsorbent 305 and the octyl silica gel 306 are quickly replaced. The exhaust fan 311 is started by the controller to transport the hydrogen in the processing tank 1 to the filter box 301, and the servo motor is manually started to drive the screw rod 3124 to rotate forward and reverse. The screw rod 3124 is threadedly connected with the mounting plate 3125 to drive the scraper 3127 at the bottom of the fixed block 3126 to filter the impurities on the filter membrane 3121. The fixed block 3126 cooperates with the compression spring 3128 to move up and down, and self-adjusts according to the height of the filter membrane 3121 to clean the impurities into the collection block 3122.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A hydrogen purification and recovery device, characterized in that: include: A processing tank (1), the bottom end of the processing tank (1) being connected to a conduit (2); A replacement mechanism (3) capable of quickly disassembling and replacing the filter device and improving the purification effect, wherein the replacement mechanism (3) is arranged on one side of the processing tank (1); Wherein, the replacement mechanism (3) further comprises a filter box (301) connected to one end of the conduit (2), and the inner wall of the processing tank (1) is provided with a cleaning component (312); The replacement mechanism (3) further comprises a mounting block (302) snapped onto the inner wall of the filter box (301); a mounting groove (303) matching the mounting block (302) is provided on one side of the inner wall of the filter box (301); two filter plates (304) are provided on one side of the inner wall of the mounting block (302); an activated carbon adsorbent (305) is provided between the two filter plates (304).

2. A hydrogen purification and recovery device according to claim 1, characterized in that: Octanized silica gel (306) is disposed on the other side of the inner wall of the mounting block (302).

3. A hydrogen purification and recovery device according to claim 1, characterized in that: A handle (307) is hingedly connected to the top end of the mounting block (302).

4. A hydrogen purification and recovery device according to claim 1, characterized in that: The top end of the filter box (301) is clamped with a top cover (308), a sealing gasket (309) is provided between the top cover (308) and the filter box (301), and the top end of the top cover (308) is threadedly connected to a plurality of evenly distributed fixing nuts (310), one end of the fixing nut (310) passes through the top cover (308) and is threadedly connected to the filter box (301).

5. A hydrogen purification and recovery device according to claim 1, characterized in that: One end of the inner wall of the duct (2) is rotatably connected to an exhaust fan (311).

6. A hydrogen purification and recovery device according to claim 1, characterized in that: The cleaning assembly (312) comprises a filter membrane (3121) arranged on the inner wall of the processing tank (1); a collecting block (3122) is fixedly connected to one side of the processing tank (1); a fixing plate (3123) is fixedly connected to the inner wall of the processing tank (1); and a screw rod (3124) is rotatably connected to the fixing plate (3123) and the inner wall of the collecting block (3122).

7. A hydrogen purification and recovery device according to claim 6, characterized in that: The bottom end of the fixed plate (3123) is slidably connected to a mounting plate (3125), the mounting plate (3125) is threadedly connected to the screw rod (3124), the inner wall of the mounting plate (3125) is slidably connected to a fixed block (3126), the bottom end of the fixed block (3126) is fixedly connected to a plurality of evenly distributed scrapers (3127), and a plurality of evenly distributed compression springs (3128) are arranged between the fixed block (3126) and the mounting plate (3125).

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