Nitrogen purification equipment capable of reducing nitrogen loss

Abstract

The utility model discloses nitrogen purification equipment capable of reducing nitrogen loss, and particularly relates to the technical field of nitrogen purification equipment, the nitrogen purification equipment comprises a tank body, two half shells which are symmetrically distributed up and down are arranged in the tank body, and a plurality of screening barrels for nitrogen purification are arranged between the two half shells; first arc-shaped grooves are formed in the top outer walls and the bottom outer walls of the two half shells correspondingly, a half gear ring is fixedly arranged in each first arc-shaped groove, and a mounting groove is formed in the inner wall of the top of the tank body. Nitrogen is purified through the filter, the drying agent and the oxygen absorbent, so that high-purity nitrogen is obtained, the motor is used for driving the two gears on the rotating rod to rotate, the drying agent and the oxygen absorbent in the multiple screening barrels are driven to shake through meshing of the gears and the half gear rings, the drying agent and the oxygen absorbent are made to make full contact with nitrogen raw materials, and the nitrogen is purified. The influence of moisture and oxygen on the purification rate of the nitrogen raw material is avoided, the nitrogen raw material is fully purified, and nitrogen loss can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of nitrogen purification equipment, in particular to nitrogen purification equipment which can reduce nitrogen loss. Background Art

[0002] Nitrogen purification is the use of physical or chemical methods to remove impurities in nitrogen. In industry, nitrogen impurity removal mainly removes oxygen in nitrogen to improve the purity of nitrogen. Currently, during nitrogen purification, molecular sieves are used to adsorb oxygen doped in nitrogen, thereby achieving the purpose of improving nitrogen purity.

[0003] For example, the prior art publication number CN218011701U is a nitrogen purification device that can reduce nitrogen loss. The utility model rotates the screw rod to drive a slider connected to its own thread to slide on the surface of the mounting plate. Because the moving rod fixedly connected to the slider is embedded in the inside of the connecting plate, when the moving rod approaches the center point of the screw rod, it will drive the clamping ring to approach the rubber ring through the two sets of connecting plates, and clamp the rubber ring and the outlet pipe.

[0004] However, the above-mentioned prior art still has the following problems when used: when the nitrogen raw material is absorbed by the desiccant and the oxygen absorber, since the desiccant and the oxygen absorber are piled together in granular form, the nitrogen raw material is not fully in contact with the desiccant and the oxygen absorber, which will reduce the absorption rate of moisture and oxygen in the nitrogen raw material, affect the nitrogen purification rate, and further cause nitrogen loss. Based on this, the utility model provides a nitrogen purification device that can reduce nitrogen loss. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a nitrogen purification device that can reduce nitrogen loss, purifies nitrogen through filters, desiccants and oxygen absorbers to obtain high-purity nitrogen, and uses a motor, a rotating rod, a gear and a half gear ring to mesh to drive the desiccant and the oxygen absorber in multiple sieve barrels to shake, so that the desiccant and the oxygen absorber are in full contact with the nitrogen raw material, avoiding moisture and oxygen from affecting the purification rate of the nitrogen raw material, so that the nitrogen raw material is fully purified, and then the nitrogen loss can be reduced to solve the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nitrogen purification device capable of reducing nitrogen loss, comprising a tank body, wherein two half shells symmetrically distributed up and down are arranged inside the tank body, a plurality of sieve barrels for nitrogen purification are arranged between the two half shells, a first arc groove is provided on the top outer wall and the bottom outer wall of the two half shells, a half gear ring is fixedly provided in each first arc groove, a mounting groove is provided on the top inner wall of the tank body, a driving assembly meshing with the half gear ring is provided in the mounting groove, the driving assembly comprises a rotating rod, the rotating rod is rotatably arranged in the mounting groove, two gears are fixedly sleeved on the rotating rod, the two gears are respectively meshed with a plurality of half gear rings, a motor is fixedly provided in the mounting groove, one end of the motor output shaft is fixed to one end of the rotating rod, and is used to drive the rotating rod to rotate.

[0007] In a preferred embodiment, a groove is provided on the top of the half shell above the screen barrel, and the groove is connected to the two first arc-shaped grooves to prevent the gear from hindering the movement of the half shell.

[0008] In a preferred embodiment, each sieve barrel is threadedly connected to a barrel cover for sealing the sieve barrel, and multiple sieve barrels are evenly distributed inside the two half-shells, and the two sieve barrels close to one end of the tank body store desiccants, and the two sieve barrels away from one end of the tank body store oxygen absorbers.

[0009] In a preferred embodiment, a cover plate is provided at one end of the tank body, the cover plate is fixed to the tank body by a first bolt, an exhaust pipe is fixedly passed through the cover plate, and a solenoid valve is fixedly provided on the exhaust pipe to facilitate control of the opening and closing of the exhaust pipe.

[0010] In a preferred embodiment, the two half shells are fixed by multiple second bolts, the inner wall of the cover plate and the inside of the tank body are fixed with rings, and second arc grooves are opened at both ends of the two half shells. The rings are arranged in the second arc grooves to support the rotation of the half shells.

[0011] In a preferred embodiment, a plurality of third arc-shaped grooves are provided on the inner walls of the two half shells adjacent to each other, and a plurality of screen barrels are respectively arranged in the plurality of third arc-shaped grooves, a clamping block is fixedly provided on the inner wall of each third arc-shaped groove, and a clamping groove matching the clamping block is provided on the top and bottom of each screen barrel, the clamping block is clamped in the clamping groove, and the screen barrel is positioned by the clamping block, so that the screen barrel rotates with the half shell.

[0012] In a preferred embodiment, a filter is fixedly provided on one side of the front end of the tank body, and the air outlet of the filter is connected to one end of the tank body. A controller for controlling the filter and the motor is fixedly embedded on the side of the front end of the tank body away from the filter. A bracket is fixedly provided on the bottom of the tank body, and the bracket is used to support the tank body, thereby improving the stability of the tank body.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model first filters the nitrogen raw material through a filter, and then uses two desiccants to absorb moisture in the nitrogen raw material, and two oxygen absorbers to absorb oxygen in the nitrogen raw material, so as to obtain high-purity nitrogen, and uses a motor to drive the two gears on the rotating rod to rotate, and uses the gears and the half gear ring to mesh to drive the desiccants and oxygen absorbers in multiple sieve barrels to shake, so that the desiccants and oxygen absorbers are fully in contact with the nitrogen raw material, avoiding moisture and oxygen from affecting the purification rate of the nitrogen raw material, so that the nitrogen raw material is fully purified, and then the loss of nitrogen can be reduced.

[0015] 2. The two half shells are supported to rotate by two rings, so that the staff can disassemble the screen barrel and replace the desiccant and oxygen absorber in multiple screen barrels. When reinstalling the half shells, the staff first fixes the two half shells together, and then aligns the two half shells with the inside of the tank and slowly inserts them. The structure is simple, which facilitates the installation and disassembly of the screen barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a cross-sectional view of the tank body of the utility model;

[0018] Figure 3 For this utility model Figure 2 The main view of

[0019] Figure 4 This is a structural diagram of two half shells and multiple screen barrels of the utility model;

[0020] Figure 5 It is a top view of the half shell of the utility model.

[0021] The accompanying drawings are marked as follows: 1, tank body; 2, half shell; 3, screen barrel; 4, first arc groove; 5, half gear ring; 6, mounting groove; 7, driving assembly; 8, groove; 9, barrel cover; 10, cover plate; 11, first bolt; 12, exhaust pipe; 13, solenoid valve; 14, second bolt; 15, collar; 16, second arc groove; 17, third arc groove; 18, block; 19, slot; 20, filter; 21, controller; 22, bracket;

[0022] 701, rotating rod; 702, gear; 703, motor. DETAILED DESCRIPTION

[0023] 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.

[0024] Refer to the instruction manual Figure 1-5 The utility model provides a nitrogen purification device capable of reducing nitrogen loss, comprising a tank body 1, wherein two upper and lower symmetrically distributed half shells 2 are arranged inside the tank body 1, and a plurality of sieve barrels 3 for nitrogen purification are arranged between the two half shells 2, and the plurality of sieve barrels 3 are evenly distributed inside the two half shells 2, and a desiccant is stored inside the two sieve barrels 3 close to one end of the tank body 1, and an oxygen absorbent is stored inside the two sieve barrels 3 far from one end of the tank body 1, and a barrel cover 9 is threadedly connected inside each sieve barrel 3 for sealing the sieve barrel 3;

[0025] Next, first arc grooves 4 are provided on the top outer walls and bottom outer walls of the two half shells 2, and a half gear ring 5 is fixedly provided in each first arc groove 4. A mounting groove 6 is provided on the top inner wall of the tank body 1, and a driving assembly 7 meshing with the half gear ring 5 is provided in the mounting groove 6. The driving assembly 7 includes a rotating rod 701, and the rotating rod 701 is rotatably arranged in the mounting groove 6. Two gears 702 are fixedly sleeved on the rotating rod 701, and the two gears 702 are respectively meshed with a plurality of half gear rings 5. A motor 703 is fixedly provided inside the mounting groove 6, and one end of the output shaft of the motor 703 is fixed to one end of the rotating rod 701, so as to drive the rotating rod 701 to rotate.

[0026] In addition, a groove 8 is provided on the top of the semi-shell 2 located above the screen barrel 3, and the groove 8 is connected with the two first arc-shaped grooves 4 to prevent the gear 702 from hindering the movement of the semi-shell 2. A cover plate 10 is provided at one end of the tank body 1, and the cover plate 10 is fixed to the tank body 1 by a first bolt 11. An exhaust pipe 12 is fixedly passed through the cover plate 10, and a solenoid valve 13 is fixedly provided on the exhaust pipe 12 to facilitate the control of the opening and closing of the exhaust pipe 12;

[0027] Moreover, a filter 20 is fixedly provided on one side of the front end of the tank body 1, and the air outlet of the filter 20 is connected to one end of the tank body 1. A controller 21 for controlling the filter 20 and the motor 703 is fixedly embedded on the side of the front end of the tank body 1 away from the filter 20. A bracket 22 is fixedly provided on the bottom of the tank body 1. The bracket 22 is used to support the tank body 1, so as to improve the stability of the tank body 1.

[0028] When in use, the staff first connects the air inlet of the filter 20 with the nitrogen raw material pipe. The nitrogen raw material is first filtered by the filter 20 and then transported to the inside of the tank body 1. Two desiccants are used to absorb moisture in the nitrogen raw material. The dried nitrogen raw material is then absorbed by two oxygen absorbers, and the oxygen in the nitrogen raw material is absorbed. Finally, high-purity nitrogen is discharged from the exhaust pipe 12. When purifying the nitrogen, the controller 21 is used to control the motor 703 to drive the two gears 702 on the rotating rod 701 to rotate. The two gears 702 are respectively engaged with a plurality of half gear rings 5, thereby driving the two half shells 2 to rotate, driving the desiccant and oxygen absorber in the screen barrel 3 to shake, so that the desiccant and oxygen absorber are fully in contact with the nitrogen raw material, avoiding moisture and oxygen from affecting the purification rate of the nitrogen raw material, and fully purifying the nitrogen raw material, thereby reducing nitrogen loss.

[0029] Refer to the instruction manual Figure 1-5 The two half shells 2 are fixed by a plurality of second bolts 14, the inner wall of the cover plate 10 and the inside of the tank body 1 are fixed with a collar 15, and both ends of the two half shells 2 are provided with a second arc groove 16, and the collar 15 is arranged in the second arc groove 16 to support the rotation of the half shell 2;

[0030] In addition, a plurality of third arc grooves 17 are provided on the inner walls of the two half shells 2 on the adjacent side, and a plurality of sieve barrels 3 are respectively arranged in the plurality of third arc grooves 17, and a clamping block 18 is fixedly provided on the inner wall of each third arc groove 17. A clamping groove 19 adapted to the clamping block 18 is provided on the top and bottom of each sieve barrel 3, and the clamping block 18 is clamped with the clamping groove 19, and the sieve barrel 3 is positioned by using the clamping block 18, so that the sieve barrel 3 rotates together with the half shell 2.

[0031] By providing the sleeve ring 15 on the inner wall of the cover plate 10 and the inside of the tank body 1, when the staff disassembles the two half shells 2, they first remove the cover plate 10, then pull the half shell 2 out of the tank body 1, and then loosen the multiple second bolts 14 to disassemble the two half shells 2, and then remove the barrel cover 9 to replace the desiccant and oxygen absorber in the sieve barrel 3. When reinstalling the half shells 2, the staff first fixes the two half shells 2 together, and then aligns the two half shells 2 with the inside of the tank body 1 and inserts them. It is worth mentioning that the staff needs to rotate the two half shells 2 to make the half gear ring 5 mesh with the gear 702, and then slowly push the two half shells 2 into the tank body 1, and then the second arc grooves 16 on the two half shells 2 are inserted into the sleeve ring 15, and the two half shells 2 can be supported to rotate with the help of the sleeve ring 15.

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A nitrogen purification device capable of reducing nitrogen loss, comprising a tank body (1), characterized in that: The tank body (1) is provided with two upper and lower symmetrically distributed half shells (2), and a plurality of sieve barrels (3) for nitrogen purification are provided between the two half shells (2); The top outer walls and bottom outer walls of the two half shells (2) are both provided with first arcuate grooves (4), and a half gear ring (5) is fixedly arranged in each of the first arcuate grooves (4). The top inner wall of the tank body (1) is provided with a mounting groove (6), and a driving assembly (7) meshing with the half gear ring (5) is arranged in the mounting groove (6). The driving assembly (7) comprises a rotating rod (701), and the rotating rod (701) is rotatably arranged in the mounting groove (6). Two gears (702) are fixedly sleeved on the rotating rod (701), and the two gears (702) are respectively meshed with the plurality of half gear rings (5); A motor (703) is fixedly arranged inside the installation groove (6), and one end of the output shaft of the motor (703) is fixed to one end of the rotating rod (701) for driving the rotating rod (701) to rotate.

2. A nitrogen purification device capable of reducing nitrogen loss according to claim 1, characterized in that: A groove (8) is provided on the top of the half shell (2) above the screen barrel (3), and the groove (8) is connected to the two first arc-shaped grooves (4) to prevent the gear (702) from hindering the movement of the half shell (2).

3. A nitrogen purification device capable of reducing nitrogen loss according to claim 1, characterized in that: Each sieve barrel (3) is threadedly connected to a barrel cover (9) for sealing the sieve barrel (3). The plurality of sieve barrels (3) are evenly distributed inside the two half shells (2), and two sieve barrels (3) close to one end of the tank body (1) store desiccants, while two sieve barrels (3) away from one end of the tank body (1) store oxygen absorbents.

4. A nitrogen purification device capable of reducing nitrogen loss according to claim 1, characterized in that: A cover plate (10) is provided at one end of the tank body (1), the cover plate (10) and the tank body (1) are fixed by a first bolt (11), an exhaust pipe (12) is fixedly passed through the cover plate (10), and a solenoid valve (13) is fixedly provided on the exhaust pipe (12) to facilitate control of the opening and closing of the exhaust pipe (12).

5. A nitrogen purification device capable of reducing nitrogen loss according to claim 4, characterized in that: The two half shells (2) are fixed by a plurality of second bolts (14); a collar (15) is fixedly provided on the inner wall of the cover plate (10) and the interior of the tank body (1); a second arc groove (16) is provided at both ends of the two half shells (2); the collar (15) is arranged in the second arc groove (16) and is used to support the rotation of the half shells (2).

6. A nitrogen purification device capable of reducing nitrogen loss according to claim 1, characterized in that: A plurality of third arcuate grooves (17) are provided on inner walls of the two half shells (2) on one side close to each other, and a plurality of sieve barrels (3) are respectively arranged in the plurality of third arcuate grooves (17). A clamping block (18) is fixedly provided on the inner wall of each third arcuate groove (17), and a clamping groove (19) adapted to the clamping block (18) is provided on the top and bottom of each sieve barrel (3), and the clamping block (18) is clamped with the clamping groove (19).

7. A nitrogen purification device capable of reducing nitrogen loss according to claim 1, characterized in that: A filter (20) is fixedly provided on one side of the front end of the tank body (1); an air outlet of the filter (20) is connected to one end of the tank body (1); a controller (21) for controlling the filter (20) and the motor (703) is fixedly embedded on the side of the front end of the tank body (1) away from the filter (20); and a bracket (22) is fixedly provided on the bottom of the tank body (1).

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