High-purity nitrogen purification device

Abstract

The utility model relates to the technical field of high-purity nitrogen purification devices, in particular to a high-purity nitrogen purification device which comprises a purification shell, a partition plate and a supporting disc are fixedly connected to the upper side and the lower side in the purification shell respectively, and an exhaust pipe is detachably and fixedly connected to the outer wall of the purification shell. The lower end of the exhaust pipe is communicated with a cavity between the partition plate and the bottom wall of the purification shell, the upper end of the exhaust pipe is communicated with a cavity between the partition plate and the top wall of the purification shell, and the lower side of the purification shell is detachably and fixedly connected with an air inlet pipe for injecting nitrogen into the purification shell; a stirring assembly for improving the stirring effect of the gas and the copper powder is connected between the lower ends of the air inlet pipe and the exhaust pipe, and a driving assembly for operating the stirring assembly is connected in the purification shell. According to the technical scheme, the contact time and area of the copper powder and the gas are increased, the reaction effect of the gas is improved, and the effect of purifying nitrogen for multiple times is achieved, so that the purification efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a high-purity nitrogen purification device, and specifically relates to a high-purity nitrogen purification device. Background Art

[0002] Nitrogen is a gaseous molecule composed of two nitrogen atoms (N) with the chemical formula N 2 . It is a colorless, odorless, inert gas that is stable at room temperature and pressure. Nitrogen is one of the main components of air in nature, accounting for about 78% of the volume of air. Nitrogen has many important applications. Generally speaking, nitrogen is a very important gas with a wide range of applications. It is of great significance to human production, life and scientific research practice. Nitrogen purification refers to the process of treating nitrogen containing impurities or other gases to achieve the required purity requirements. Usually, nitrogen purification mainly includes membrane separation technology, adsorption method, membrane permeation technology, condensation method, chemical absorption and other methods.

[0003] A nitrogen purification device disclosed in the prior art with a publication number of "CN218620349U" comprises a purification cylinder, wherein the purification cylinder comprises a No. 1 purification cylinder and a No. 2 purification cylinder, wherein the upper end of one side of the No. 1 purification cylinder and the lower end of one side of the No. 2 purification cylinder are connected via a connecting pipe, a rotating rod is provided inside the No. 1 purification cylinder and the No. 2 purification cylinder, a filter plate is provided at the upper end inside the No. 1 purification cylinder and the No. 2 purification cylinder, a cleaning mechanism and blades are provided on the rotating rod below the filter plate, a driving mechanism is provided on the top of the rotating rod, a purification inlet is provided at the lower end of one side of the No. 1 purification cylinder, a purification outlet is provided at the upper end of one side of the No. 2 purification cylinder, and a feed port and a discharge port are provided on the No. 1 purification cylinder and the No. 2 purification cylinder.

[0004] The above technology realizes multiple continuous purification treatments of gas through two purification cylinders. Although the effect of increasing copper powder and gas is increased by the blades on the rotating rod, there are still the following technical problems: copper powder enters from the feed port, and the accumulated copper powder cannot quickly disperse and react with the gas, and the reaction cavity is driven by circulation, so that part of the gas is stirred by the blades on the rotating rod, and directly passes through the first purification cylinder to the second purification cylinder without reacting with the copper powder, and then is discharged through the same steps, so that a small part of the gas is discharged without completing the reaction, thereby reducing the gas purification effect. Utility Model Content

[0005] The utility model provides a high-purity nitrogen purification device, which increases the contact time and area between copper powder and gas, improves the reaction effect of the gas, and realizes multiple purification effects on nitrogen, thereby increasing the purification efficiency of the device.

[0006] The technical solution of the utility model is as follows:

[0007] A high-purity nitrogen purification device comprises a purification shell, wherein the upper and lower sides of the purification shell are respectively fixedly connected with a partition plate and a support plate, an outer wall of the purification shell is detachably fixedly connected with an exhaust pipe, the lower end of the exhaust pipe is communicated with a cavity between the partition plate and the bottom wall of the purification shell, the upper end of the exhaust pipe is communicated with the cavity between the partition plate and the top wall of the purification shell, an air inlet pipe for injecting nitrogen into the purification shell is detachably fixedly connected to the lower side of the purification shell, a stirring component for increasing the stirring effect of gas and copper powder is connected between the air inlet pipe and the lower end of the exhaust pipe, a driving component for operating the stirring component parts is connected in the purification shell, a feeding pipe for injecting copper powder into the purification shell is fixedly connected to the other side of the purification shell, a membrane separation component for re-purifying nitrogen is connected to the upper side of the partition plate, one end of the membrane separation component is detachably fixedly connected to the exhaust pipe, and one end of the membrane separation component away from the exhaust pipe is detachably fixedly connected to an external air outlet duct.

[0008] Furthermore, the stirring assembly includes a linkage column, the lower end of the linkage column is rotatably connected to the support plate, the upper side of the linkage column is rotatably connected to a first linkage sleeve, the lower side of the linkage column is fixedly connected to a second linkage sleeve, the upper and lower sides of the second linkage sleeve column surface are respectively fixedly connected to a stirring fan and a first stirring blade, the first linkage sleeve is slidably abutted against a sealing plate, a bearing is fixedly connected to the sealing plate, a second stirring blade is fixedly connected to the outer side of the bearing, the second stirring blade is clamped with the first linkage sleeve, and the upper side of the sealing plate is connected to a linkage assembly for driving the sealing plate to move up and down.

[0009] Furthermore, a limiting block is fixedly connected to the second linkage sleeve, and the second stirring blade is slidably abutted against the limiting block.

[0010] Furthermore, the linkage assembly includes an intermittent gear and two support plates, the intermittent gear is fixedly connected to the upper end of the linkage column, the two support plates are fixedly connected to the lower side of the partition plate, the two support plates are rotatably connected with a crank column, the crank column is fixedly connected with a fourth gear at one end facing the intermittent gear, the fourth gear is meshed with the intermittent gear, a flip plate is rotatably connected to the crank column, a flip block is hinged at one end of the flip plate away from the crank column, and the flip block is fixedly connected to the side surface of the sealing plate.

[0011] Furthermore, the driving assembly includes a first gear, a second gear and a driving column, the second gear is fixedly connected to the upper end of the second linkage sleeve, the first gear is fixedly connected to the lower end of the first linkage sleeve, the driving column is rotatably connected to the inner wall of the purification shell, the end of the driving column facing the first gear is fixedly connected to the third gear, the third gear is respectively meshed with the first gear and the second gear, the end of the driving column away from the third gear is connected to a driving motor, the driving motor is fixedly connected to the outer wall of the purification shell, and the driving shaft of the driving motor is fixedly connected to the driving column.

[0012] Furthermore, a striking fan is fixedly connected to the driving column, and the striking fan is located at the lower side of the feeding pipe.

[0013] Furthermore, a plurality of supporting legs for supporting the purification shell are fixedly connected to the lower side of the purification shell.

[0014] Furthermore, the outer side surface of the sealing plate is in close contact with the inner wall of the purification shell.

[0015] The beneficial effects of the utility model are:

[0016] Through the coordinated work of components such as the stirring assembly, membrane separation assembly and drive assembly, multiple purification effects of nitrogen are achieved, thereby increasing the purification efficiency of the device. Specifically, the stirring assembly increases the contact time and area between the copper powder and the gas through the cyclic operation of the sealed state and the exhaust state, improves the reaction effect of the gas, and enables the gas to better complete the purification process. At the same time, in the exhaust state, the reacted gas can be quickly discharged to provide space for the subsequent gas reaction, ensuring the continuous operation and high efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is an isometric schematic diagram of the utility model;

[0019] Figure 2 It is a partially half-sectioned isometric enlarged schematic diagram of the utility model;

[0020] Figure 3 for Figure 2 A is an enlarged schematic diagram;

[0021] Figure 4 It is a partially half-sectioned enlarged schematic diagram of the utility model;

[0022] Figure 5 for Figure 4 A magnified schematic diagram of B.

[0023] In the figure: 11, support foot; 12, purification shell; 13, exhaust pipe; 14, membrane separation component; 15, feed pipe; 16, partition plate; 17, air inlet pipe; 18, support plate; 21, first gear; 22, second gear; 23, drive column; 24, striking fan; 25, third gear; 26, drive motor; 31, intermittent gear; 32, fourth gear; 33, crank column; 34, support plate; 35, flip plate; 36, flip block; 4, stirring component; 41, first stirring blade; 42, stirring fan; 43, sealing plate; 44, second stirring blade; 45, first linkage sleeve; 46, bearing; 47, linkage column; 48, second linkage sleeve; 49, limit block. DETAILED DESCRIPTION

[0024] The following will be combined with 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 of 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.

[0025] like Figure 1 to Figure 5As shown, this embodiment proposes a high-purity nitrogen purification device, including a purification shell 12, a partition plate 16 and a support plate 18 are respectively fixedly connected to the upper and lower sides of the purification shell 12, an exhaust pipe 13 is detachably fixedly connected to the outer wall of the purification shell 12, the lower end of the exhaust pipe 13 is communicated with the cavity between the partition plate 16 and the bottom wall of the purification shell 12, and the upper end of the exhaust pipe 13 is communicated with the cavity between the partition plate 16 and the top wall of the purification shell 12. An air inlet pipe 17 for injecting nitrogen into the purification shell 12 is detachably fixedly connected to the lower side of the purification shell 12, and a stirring component 4 for increasing the stirring effect of gas and copper powder is connected between the air inlet pipe 17 and the lower end of the exhaust pipe 13. The stirring component 4 performs a sealing state-exhaustible state of the reaction cavity in the purification shell 12, and circulates in sequence. In the sealed state, the contact time and area between the copper powder and the gas are increased, and the gas is increased. The reaction effect is achieved so that the injected gas can better complete the purification operation. In the exhaustable state, the pressure of the gas in the purification shell 12 that has completed the reaction is greater than that outside. The gas flow rate will be accelerated during exhaust, so that the gas that has completed the reaction can be quickly discharged, leaving reaction space for the gas that needs to react later. The driving component that operates the stirring component 4 is connected to the purification shell 12, and the feeding pipe 15 that injects copper powder into the purification shell 12 is fixedly connected to the other side of the purification shell 12. The membrane separation component 14 for re-purifying nitrogen is connected to the upper side of the partition plate 16, and one end of the membrane separation component 14 is detachably fixedly connected to the exhaust pipe 13, and the end of the membrane separation component 14 away from the exhaust pipe 13 is detachably fixedly connected to the external air outlet pipe. The membrane separation component 14 performs secondary purification on the gas that has been purified by reaction with the copper powder, thereby increasing the purification effect of the device.

[0026] like Figure 2 to Figure 5 As shown, the stirring component 4 includes a linkage column 47, the lower end of the linkage column 47 is rotatably connected to the support plate 18, the first linkage sleeve 45 is rotatably connected to the upper side of the linkage column 47, the second linkage sleeve 48 is fixedly connected to the lower side of the linkage column 47, the stirring fan 42 and the first stirring blade 41 are respectively fixedly connected to the upper and lower sides of the second linkage sleeve 48 cylinder surface, the first linkage sleeve 45 is slidably abutted against the sealing plate 43, the bearing 46 is fixedly connected to the sealing plate 43, the second stirring blade 44 is fixedly connected to the outer side of the bearing 46, the second stirring blade 44 is engaged with the first linkage sleeve 45, and the linkage component that drives the sealing plate 43 to move up and down is connected to the upper side of the sealing plate 43, the bearing 46 enables the sealing plate 43 to move up and down with the second stirring blade 44 under the drive of the linkage component, and to rotate relative to the second stirring blade 44, so that the second stirring blade 44 can rotate with the first linkage sleeve 45, in this way, the second stirring blade 44 can stir the airflow in the purification shell 12 while bringing a shock effect, thereby improving the reaction effect of the contact between the copper powder and the gas.

[0027] like Figure 4 and Figure 5As shown, the limit block 49 is fixedly connected to the second linkage sleeve 48, and the second stirring blade 44 slides and abuts against the limit block 49, so that the limit block 49 can move up and down along the cylindrical surface of the second linkage sleeve 48, and is driven to rotate under the abutment of the limit block 49.

[0028] like Figure 2 and Figure 3 As shown, the linkage assembly includes an intermittent gear 31 and two support plates 34, the intermittent gear 31 is fixedly connected to the upper end of the linkage column 47, the two support plates 34 are fixedly connected to the lower side of the partition plate 16, the crank column 33 is rotatably connected to the two support plates 34, the fourth gear 32 is fixedly connected to the end of the crank column 33 facing the intermittent gear 31, the fourth gear 32 is meshed with the intermittent gear 31, the crank column 33 is rotatably connected to the flip plate 35, the flip plate 35 is hinged to the flip block 36 at one end away from the crank column 33, the flip block 36 is fixedly connected to the upper side of the sealing plate 43, the intermittent gear 31 and the fourth gear 32 have a gear ratio, so that when the intermittent gear 31 rotates multiple times with the linkage column 47, the crank column 33 will only rotate After one turn, the rotation of the crank column 33 will move the sealing plate 43 up and down. When the sealing plate 43 moves to the uppermost side, the sealing plate 43 exposes the lower end of the exhaust pipe 13, and the nitrogen that has completed the mixing reaction on the lower side of the sealing plate 43 can be discharged from the exhaust pipe 13. When the sealing plate 43 slides to the lowest point and forms a sealed cavity between the bottom wall of the purification shell 12, the mixing effect of the gas and the copper powder can be increased, and it will gradually move upward to relieve the gas pressure in the purification shell 12. When the lower end of the exhaust pipe 13 is exposed, because the pressure in the purification shell 12 gradually increases and is already greater than the pressure outside the purification shell 12, the purified nitrogen in the purification shell 12 can be quickly discharged, thereby increasing the gas processing efficiency.

[0029] like Figure 2 to Figure 4 As shown, the driving assembly includes a first gear 21, a second gear 22 and a driving column 23, the second gear 22 is fixedly connected to the upper end of the second linkage sleeve 48, the first gear 21 is fixedly connected to the lower end of the first linkage sleeve 45, the driving column 23 is rotatably connected to the inner wall of the purification shell 12, the third gear 25 is fixedly connected to one end of the driving column 23 facing the first gear 21, the third gear 25 is respectively meshed with the first gear 21 and the second gear 22, the driving motor 26 is connected to one end of the driving column 23 away from the third gear 25, the driving motor 26 is fixedly connected to the outer wall of the purification shell 12, the driving shaft of the driving motor 26 is fixedly connected to the driving column 23, the third gear 25 is driven by the driving motor 26, and the first linkage sleeve 45 and the second linkage sleeve 48 on the upper and lower sides are driven to rotate in opposite directions.

[0030] like Figure 2 and Figure 3As shown, the striking fan 24 is fixedly connected to the driving column 23, and the striking fan 24 is located at the lower side of the feeding pipe 15. When the copper powder slides into the purification shell 12 through the feeding pipe 15, the striking fan 24 rotates with the rotation of the driving column 23, and strikes the sliding copper powder, so that the accumulated copper powder is broken up and better mixed with the nitrogen.

[0031] like Figure 1 and Figure 2 As shown, a plurality of support legs 11 for supporting the purification shell 12 are fixedly connected to the lower side of the purification shell 12, so that the purification shell 12 is completely lifted, leaving space for the air inlet pipe 17 and the external nitrogen air inlet pipe.

[0032] like Figure 2 As shown, the outer side surface of the sealing plate 43 is tightly abutted against the inner wall of the purification shell 12. When the sealing plate 43 is abutted against the lower port of the exhaust pipe 13, a sealed cavity is formed between the sealing plate 43 and the bottom wall of the purification shell 12, so that the nitrogen and copper powder have a better mixing effect.

[0033] The working principle of this embodiment is:

[0034] The nitrogen to be purified is introduced into the purification shell 12 through the air inlet pipe 17, and the driving motor 26 drives the driving column 23 to rotate. The striking fan 24 strikes the copper powder that slips off the feeding pipe 15 and scatters the copper powder in the purification shell 12. The driving column 23 drives the third gear 25 to rotate, and then drives the first linkage sleeve 45 and the second linkage sleeve 48 on the upper and lower sides to rotate relative to each other. The rotation of the second linkage sleeve 48 drives the intermittent gear 31 to rotate, and then the crank column 33 drives the sealing plate 43 to move up and down. The rotation of the first linkage sleeve 45 drives the second stirring blade 44 to rotate. The second stirring blade 44 rotates in the opposite direction to the first stirring blade 41, increasing the agitation of the airflow so that the airflow can completely react with the copper powder. The sealing plate 43 will move upward stably along with the crank column 33, which can reduce the gas pressure in the purification shell 12. When the sealing plate 43 exposes the lower port of the exhaust pipe 13, the reacted gas will contact the membrane separation component 14 through the exhaust pipe 13, and the nitrogen will be further purified through the molecular membrane technology.

[0035] After the waiting work is completed, the pipeline connected to the air inlet pipe 17 is removed, and the copper powder compound that has completed the reaction in the purification shell 12 is discharged from the air inlet pipe 17.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-purity nitrogen purification device, comprising a purification shell (12), characterized in that: The upper and lower sides of the purification shell (12) are respectively fixedly connected with a partition plate (16) and a support plate (18); the outer wall of the purification shell (12) is detachably fixedly connected with an exhaust pipe (13); the lower end of the exhaust pipe (13) is communicated with a cavity between the partition plate (16) and the bottom wall of the purification shell (12); the upper end of the exhaust pipe (13) is communicated with a cavity between the partition plate (16) and the top wall of the purification shell (12); the lower side of the purification shell (12) is detachably fixedly connected with an air inlet pipe (17) for injecting nitrogen into the purification shell (12); the air inlet pipe (17) and the exhaust pipe (13) are connected to the purification shell (12); 3) A stirring assembly (4) for increasing the stirring effect of gas and copper powder is connected between the lower ends; a driving assembly for operating the stirring assembly (4) is connected inside the purification shell (12); a feed pipe (15) for injecting copper powder into the purification shell (12) is fixedly connected to the other side of the purification shell (12); a membrane separation assembly (14) for further purifying nitrogen is connected to the upper side of the partition plate (16); one end of the membrane separation assembly (14) is detachably fixedly connected to the exhaust pipe (13); and one end of the membrane separation assembly (14) away from the exhaust pipe (13) is detachably fixedly connected to an external air outlet duct.

2. A high-purity nitrogen purification device according to claim 1, characterized in that: The stirring assembly (4) comprises a linkage column (47), the lower end of which is rotatably connected to the support plate (18), the upper side of the linkage column (47) is rotatably connected to a first linkage sleeve (45), the lower side of the linkage column (47) is fixedly connected to a second linkage sleeve (48), the upper and lower sides of the cylindrical surface of the second linkage sleeve (48) are respectively fixedly connected to a stirring fan (42) and a first stirring blade (41), the first linkage sleeve (45) is slidably abutted against a sealing plate (43), the sealing plate (43) is fixedly connected to a bearing (46), the outer side of the bearing (46) is fixedly connected to a second stirring blade (44), the second stirring blade (44) is clamped with the first linkage sleeve (45), and the upper side of the sealing plate (43) is connected to a linkage assembly for driving the sealing plate (43) to move up and down.

3. A high-purity nitrogen purification device according to claim 2, characterized in that: A limiting block (49) is fixedly connected to the second linkage sleeve (48), and the second stirring blade (44) is in sliding contact with the limiting block (49).

4. A high-purity nitrogen purification device according to claim 2, characterized in that: The linkage assembly comprises an intermittent gear (31) and two support plates (34); the intermittent gear (31) is fixedly connected to the upper end of the linkage column (47); the two support plates (34) are fixedly connected to the lower side of the partition plate (16); the two support plates (34) are rotatably connected to a crank column (33); one end of the crank column (33) facing the intermittent gear (31) is fixedly connected to a fourth gear (32); the fourth gear (32) is meshed with the intermittent gear (31); a flip plate (35) is rotatably connected to the crank column (33); the flip plate (35) is hingedly connected to a flip block (36) at one end away from the crank column (33); and the flip block (36) is fixedly connected to the upper side of the sealing plate (43).

5. A high-purity nitrogen purification device according to claim 2, characterized in that: The driving assembly comprises a first gear (21), a second gear (22) and a driving column (23); the second gear (22) is fixedly connected to the upper end of the second linkage sleeve (48); the first gear (21) is fixedly connected to the lower end of the first linkage sleeve (45); the driving column (23) is rotatably connected to the inner wall of the purification shell (12); one end of the driving column (23) facing the first gear (21) is fixedly connected to a third gear (25); the third gear (25) is respectively meshed with the first gear (21) and the second gear (22); one end of the driving column (23) away from the third gear (25) is connected to a driving motor (26); the driving motor (26) is fixedly connected to the outer wall of the purification shell (12); and a driving shaft of the driving motor (26) is fixedly connected to the driving column (23).

6. A high-purity nitrogen purification device according to claim 5, characterized in that: The driving column (23) is fixedly connected with a striking fan (24), and the striking fan (24) is located at the lower side of the feeding pipe (15).

7. A high-purity nitrogen purification device according to claim 1, characterized in that: A plurality of supporting legs (11) for supporting the purification shell (12) are fixedly connected to the lower side of the purification shell (12).

8. A high-purity nitrogen purification device according to claim 2, characterized in that: The outer side surface of the sealing plate (43) is in close contact with the inner wall of the purification shell (12).

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