Adsorption device for high-purity nitrogen

Abstract

The utility model discloses an adsorption device for high-purity nitrogen, and relates to the technical field of nitrogen. The device comprises an adsorption tank, a gas inlet pipe fixedly penetrates through the circumferential surface of the adsorption tank, a separation device is arranged in the adsorption tank, a cover plate is arranged in the separation device, the bottom of the cover plate is hinged to the top of the adsorption tank, a motor is fixedly connected to the top of the cover plate, and the bottom of the cover plate is hinged to the bottom of the adsorption tank. A threaded rod is fixedly connected to an output shaft of the motor. Through mutual cooperation of the motor, the threaded rod, the activated carbon, the threaded sleeve and other components in the separation equipment, the activated carbon can be driven to adsorb and separate nitrogen in the adsorption tank in a longitudinal up-and-down moving manner, so that purification is performed, the contact area between gas and an adsorbent can be increased, the adsorption efficiency is improved, and the service life is prolonged. The separation and purification speed of nitrogen is accelerated, the adsorption capacity of the adsorbent is utilized to the greatest extent, and the yield of nitrogen is increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of nitrogen, and particularly relates to an adsorption device for high-purity nitrogen. Background Art

[0002] An adsorption device for high-purity nitrogen generally refers to a gas separation device used to separate high-purity nitrogen from a mixed gas. This device is usually based on the adsorption principle and uses an adsorbent to adsorb components such as oxygen and water vapor in the mixed gas, thereby achieving nitrogen separation and purification.

[0003] According to a pressure swing adsorption device (CN 209872368 U) disclosed for rapidly preparing high-purity nitrogen, it includes an adsorption tower A, an adsorption tower B, a nitrogen storage tank, and a muffler. The bottoms of the adsorption tower A and the adsorption tower B are respectively provided with an A tower air inlet valve, an A tower regeneration valve, a B tower air inlet valve, and a B tower regeneration valve through pipelines. A total air inlet valve is provided between the A tower air inlet valve and the B tower air inlet valve. The tops of the adsorption tower A and the adsorption tower B are respectively provided with an A tower air outlet valve and a B tower air outlet valve through pipelines. A total air outlet valve is provided between the A tower air outlet valve and the B tower air outlet valve. One side of the total air outlet valve is respectively connected to an air outlet filter through pipelines. In the process of adsorption and separation of nitrogen, adsorbents are required for purification. It is difficult to increase the contact area between the gas and the adsorbent, improve the adsorption efficiency, and maximize the adsorption capacity of the adsorbent to increase the output of nitrogen through the mutual cooperation between the components such as the adsorption tower A, the adsorption tower B, and the nitrogen storage tank. There is room for improvement. Utility Model Content

[0004] The utility model aims to provide an adsorption device for high-purity nitrogen. By means of the mutual cooperation among the components such as the motor, the threaded rod, the activated carbon and the threaded sleeve inside the separation device, it is possible to realize the vertical movement up and down inside the adsorption tank to drive the activated carbon to adsorb and separate the nitrogen, so as to purify the nitrogen. The contact area between the gas and the adsorbent can be increased, thereby improving the adsorption efficiency, accelerating the separation and purification speed of the nitrogen, making the most of the adsorption capacity of the adsorbent, increasing the nitrogen production, and solving the existing problems.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses an adsorption device for high-purity nitrogen, comprising an adsorption tank, an air inlet pipe is fixedly penetrated on the circumferential surface of the adsorption tank, a separation device is arranged inside the adsorption tank, the separation device comprises a cover plate inside, the bottom of the cover plate is hinged on the top of the adsorption tank, a motor is fixedly connected to the top of the cover plate, a threaded rod is fixedly connected to the output shaft of the motor, a threaded sleeve is threadedly connected on the circumferential surface of the threaded rod, a limiting rod is fixedly connected to the side of the motor, one end of the limiting rod away from the motor penetrates the side of the threaded sleeve, a clamp is fixedly connected to the side of the threaded sleeve, and activated carbon is fixedly connected to the inner wall of the clamp.

[0007] Furthermore, two activated carbons are provided and are symmetrical to each other along the vertical center axis of the threaded rod. The threaded rod is made of metal. The activated carbon is located on the inner wall of the adsorption tank. A connecting pipe is fixedly passed through the side of the adsorption tank. The design of the connecting pipe is conducive to collecting the adsorbed and purified nitrogen into the collection tank.

[0008] Furthermore, two splints are provided and are symmetrical to each other along the vertical center axis of the threaded sleeve. The splints are made of plastic material. One end of the connecting pipe away from the adsorption tank is fixedly connected to the collecting tank. A control valve is provided on the circumferential surface of the connecting pipe. The design of the control valve is conducive to controlling the flow in and out of gas.

[0009] Furthermore, a leakage alarm device is provided at the bottom of the connecting pipe, and the leakage alarm device includes an airbag, the side of the airbag is fixedly sleeved on the circumferential surface of the connecting pipe, the bottom of the airbag is fixedly connected to an extrusion rod, the circumferential surface of the adsorption tank is fixedly connected to a support plate, the top of the support plate is fixedly connected to an alarm, the top of the alarm is provided with a notch, and the inner wall of the notch is provided with a switch rod. Such a design is conducive to timely alarm in case of leakage during nitrogen transmission.

[0010] Furthermore, a contact plate is fixedly connected to one end of the extrusion rod away from the airbag, and the contact plate is made of rubber material. The switch rod is located on the displacement track of the extrusion rod, and the design of the contact plate can increase the contact area of ​​the extrusion rod.

[0011] Furthermore, a spring is fixedly sleeved on the circumferential surface of the switch rod, and one end of the spring away from the switch rod is fixedly connected to the inner wall of the notch. The design of the spring is conducive to automatic reset when the switch rod is not squeezed.

[0012] Furthermore, a universal wheel is provided at the bottom of the adsorption tank, a support is fixedly connected to the bottom of the collection tank, the support is made of metal, an exhaust pipe is fixedly passed through the side of the collection tank, and the design of the universal wheel facilitates the movement of the adsorption tank.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model realizes the mutual cooperation among the components such as the motor, the threaded rod, the activated carbon, the threaded sleeve, etc. inside the separation equipment, so that the activated carbon can be driven to adsorb and separate nitrogen by moving vertically up and down inside the adsorption tank for purification, which can increase the contact area between the gas and the adsorbent, thereby improving the adsorption efficiency, accelerating the separation and purification speed of nitrogen, making the most of the adsorption capacity of the adsorbent, and increasing the nitrogen production.

[0015] 2. The utility model realizes the effect of timely issuing an alarm when nitrogen leaks during the transmission process through the mutual cooperation between the airbag, extrusion rod, alarm, switch rod and other components inside the leakage alarm device. Nitrogen is a colorless and odorless gas. If it leaks into the air, it may cause suffocation. Through the alarm system, measures can be taken in time to avoid accidents.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0019] Figure 2 This is a three-dimensional enlarged structural diagram of the adsorption tank of the utility model;

[0020] Figure 3 It is a three-dimensional side view structural diagram of the airbag of the utility model;

[0021] Figure 4 For this utility model Figure 2 Schematic diagram of the three-dimensional enlarged structure of A in the middle;

[0022] Figure 5 For this utility model Figure 3 Schematic diagram of the three-dimensional enlarged structure of B.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Adsorption tank; 2. Intake pipe; 3. Separation equipment; 31. Cover plate; 32. Motor; 33. Threaded rod; 34. Threaded sleeve; 35. Limit rod; 36. Clamp; 37. Activated carbon; 38. Connecting pipe; 39. Control valve; 310. Collection tank; 4. Leakage alarm device; 41. Air bag; 42. Extrusion rod; 43. Support plate; 44. Alarm; 45. Notch; 46. Switch rod; 47. Spring; 48. Contact plate; 5. Exhaust pipe; 6. Universal wheel; 7. Pillar. DETAILED DESCRIPTION

[0025] 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 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.

[0026] See also Figure 1-5 The utility model is an adsorption device for high-purity nitrogen, including an adsorption tank 1, an air inlet pipe 2 is fixedly penetrated on the circumferential surface of the adsorption tank 1, a separation device 3 is arranged inside the adsorption tank 1, and the separation device 3 includes a cover plate 31 inside, the bottom of the cover plate 31 is hinged on the top of the adsorption tank 1, a motor 32 is fixedly connected to the top of the cover plate 31, a threaded rod 33 is fixedly connected to the output shaft of the motor 32, a threaded sleeve 34 is threadedly connected on the circumferential surface of the threaded rod 33, a limiting rod 35 is fixedly connected to the side of the motor 32, and one end of the limiting rod 35 away from the motor 32 penetrates the side of the threaded sleeve 34, a clamping plate 36 is fixedly connected to the side of the threaded sleeve 34, and activated carbon 37 is fixedly connected to the inner wall of the clamping plate 36.

[0027] Two activated carbons 37 are provided and are symmetrical to each other along the vertical center axis of the threaded rod 33. The threaded rod 33 is made of metal. The activated carbons 37 are located on the inner wall of the adsorption tank 1. A connecting pipe 38 is fixedly passed through the side of the adsorption tank 1. The design of the connecting pipe 38 is conducive to collecting the adsorbed and purified nitrogen into the collection tank 310.

[0028] Two clamps 36 are provided and are symmetrical to each other along the vertical center axis of the threaded sleeve 34. The clamps 36 are made of plastic material. One end of the connecting pipe 38 away from the adsorption tank 1 is fixedly connected to the collecting tank 310. A control valve 39 is provided on the circumferential surface of the connecting pipe 38. The design of the control valve 39 is conducive to controlling the flow in and out of the gas.

[0029] A leakage alarm device 4 is provided at the bottom of the connecting tube 38, and the leakage alarm device 4 includes an airbag 41. The side of the airbag 41 is fixedly sleeved on the circumferential surface of the connecting tube 38, and the bottom of the airbag 41 is fixedly connected to an extrusion rod 42. A support plate 43 is fixedly connected to the circumferential surface of the adsorption tank 1, and an alarm 44 is fixedly connected to the top of the support plate 43. A notch 45 is provided on the top of the alarm 44, and a switch rod 46 is provided on the inner wall of the notch 45. Such a design is conducive to timely alarm when leakage occurs during the nitrogen transmission process.

[0030] One end of the extrusion rod 42 away from the airbag 41 is fixedly connected to a contact plate 48 , which is made of rubber material. The switch rod 46 is located on the displacement track of the extrusion rod 42 . The design of the contact plate 48 can increase the contact area of ​​the extrusion rod 42 .

[0031] A spring 47 is fixedly sleeved on the circumferential surface of the switch rod 46, and one end of the spring 47 away from the switch rod 46 is fixedly connected to the inner wall of the notch 45. The design of the spring 47 is conducive to automatic reset when the switch rod 46 is not squeezed.

[0032] A universal wheel 6 is provided at the bottom of the adsorption tank 1, a support 7 is fixedly connected to the bottom of the collection tank 310, and the support 7 is made of metal. An exhaust pipe 5 is fixedly passed through the side of the collection tank 310. The design of the universal wheel 6 facilitates the movement of the adsorption tank 1.

[0033] A specific application of this embodiment is: open the cover plate 31, discharge the mixed gas to be adsorbed and separated into nitrogen into the interior of the adsorption tank 1, cover the cover plate 31, start the motor 32, when the motor 32 rotates, it will drive the threaded rod 33 to rotate, the threaded rod 33 rotates, the threaded sleeve 34 on the threaded rod 33 moves up and down, the movement of the threaded sleeve 34 will drive the clamping plate 36 to move up and down, the clamping plate 36 clamps activated carbon 37, the activated carbon 37 is used as an adsorbent, the activated carbon 37 is used to adsorb and separate the mixed gas to purify nitrogen, driving the activated carbon 37 to move up and down can increase the contact area between the gas and the adsorbent, thereby improving the adsorption efficiency and accelerating the nitrogen The separation and purification speed of the gas is increased, and the adsorbed nitrogen is collected into the collection tank 310 through the connecting pipe 38, and the output is controlled by the control valve 39. If there is a leak in the connecting pipe 38, the nitrogen will flow into the interior of the airbag 41, and the airbag 41 will expand and bulge when inflated. The expansion of the airbag 41 will drive the squeezing rod 42 to move, and the switch rod 46 on the alarm 44 is located on the displacement trajectory of the squeezing rod 42, which will cause the squeezing rod 42 to squeeze the switch rod 46, and the alarm 44 will be turned on and an alarm will be sounded. Nitrogen is a colorless and odorless gas. If it leaks into the air, it may cause suffocation. Through the alarm system, measures can be taken in time to avoid accidents.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An adsorption device for high-purity nitrogen, comprising an adsorption tank (1), characterized in that: An air intake pipe (2) is fixedly inserted through the circumferential surface of the adsorption tank (1), and a separation device (3) is arranged inside the adsorption tank (1); The separation device (3) comprises a cover plate (31) inside, the bottom of the cover plate (31) is hinged to the top of the adsorption tank (1), the top of the cover plate (31) is fixedly connected to a motor (32), a threaded rod (33) is fixedly connected to the output shaft of the motor (32), a threaded sleeve (34) is threadedly connected on the circumferential surface of the threaded rod (33), a limiting rod (35) is fixedly connected to the side of the motor (32), one end of the limiting rod (35) away from the motor (32) passes through the side of the threaded sleeve (34), a clamping plate (36) is fixedly connected to the side of the threaded sleeve (34), and activated carbon (37) is fixedly connected to the inner wall of the clamping plate (36).

2. The adsorption device for high-purity nitrogen according to claim 1, characterized in that: Two activated carbons (37) are provided and are symmetrical to each other along the vertical center axis of the threaded rod (33); the threaded rod (33) is made of metal; the activated carbons (37) are located on the inner wall of the adsorption tank (1); and a connecting pipe (38) is fixedly passed through the side of the adsorption tank (1).

3. The adsorption device for high-purity nitrogen according to claim 2, characterized in that: Two clamping plates (36) are provided and are symmetrical to each other along the vertical center axis of the threaded sleeve (34); the clamping plates (36) are made of plastic material; one end of the connecting pipe (38) away from the adsorption tank (1) is fixedly connected to the collecting tank (310); and a control valve (39) is provided on the circumferential surface of the connecting pipe (38).

4. The adsorption device for high-purity nitrogen according to claim 3, characterized in that: A leakage alarm device (4) is provided at the bottom of the connecting pipe (38), and the leakage alarm device (4) comprises an airbag (41). The side of the airbag (41) is fixedly sleeved on the circumferential surface of the connecting pipe (38), and the bottom of the airbag (41) is fixedly connected to an extrusion rod (42). A support plate (43) is fixedly connected to the circumferential surface of the adsorption tank (1), and an alarm (44) is fixedly connected to the top of the support plate (43). A notch (45) is provided at the top of the alarm (44), and a switch rod (46) is provided on the inner wall of the notch (45).

5. The adsorption device for high-purity nitrogen according to claim 4, characterized in that: One end of the squeezing rod (42) away from the airbag (41) is fixedly connected to a contact plate (48), the contact plate (48) is made of rubber material, and the switch rod (46) is located on the displacement track of the squeezing rod (42).

6. The adsorption device for high-purity nitrogen according to claim 5, characterized in that: A spring (47) is fixedly sleeved on the circumferential surface of the switch rod (46), and one end of the spring (47) away from the switch rod (46) is fixedly connected to the inner wall of the notch (45).

7. The adsorption device for high-purity nitrogen according to claim 6, characterized in that: The bottom of the adsorption tank (1) is provided with a universal wheel (6), the bottom of the collection tank (310) is fixedly connected with a support (7), the support (7) is made of metal material, and the side of the collection tank (310) is fixedly penetrated with an exhaust pipe (5).

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