CN110510586B - Nitrogen purification device - Google Patents
Nitrogen purification device Download PDFInfo
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- CN110510586B CN110510586B CN201910776290.1A CN201910776290A CN110510586B CN 110510586 B CN110510586 B CN 110510586B CN 201910776290 A CN201910776290 A CN 201910776290A CN 110510586 B CN110510586 B CN 110510586B
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/04—Purification or separation of nitrogen
- C01B21/0405—Purification or separation processes
- C01B21/0433—Physical processing only
- C01B21/045—Physical processing only by adsorption in solids
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0062—Water
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- Inorganic Chemistry (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses a nitrogen purification device, which comprises a tank body, a transition pipe, an adsorption pipe and an adsorption mechanism, wherein the tank body is provided with a transition pipe; the adsorption mechanism comprises a first adsorption cover, a second adsorption cover and a rotary driving mechanism; the purification effect of the invention is improved by vortex friction adsorption of the first adsorption cover and scattering disturbance adsorption of the second adsorption cover.
Description
Technical Field
The invention relates to a nitrogen purification device.
Background
At present, oxygen in nitrogen is mainly removed in nitrogen impurity removal in industry at present to improve the purity of the nitrogen, raw material hydrogen enters a pipeline through a flowmeter and enters a deaerator together with the raw material nitrogen, the raw material hydrogen is fully combined in a palladium catalyst, generated water vapor is carried away from the deaerator by a large amount of nitrogen, the water vapor removed from the nitrogen at present is generally subjected to reflux separation after being liquefied through a condenser, but other fine solid particle impurities in the nitrogen cannot be carried away in the mode, the impurity removal effect is poor, and the method mainly improves the impurity removal effect.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: provides a nitrogen purification device with good impurity removal and purification effects.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a nitrogen purification device comprises a tank body, a transition pipe, an adsorption pipe and an adsorption mechanism; one side of the tank body is provided with a transition pipe; the transition pipe is provided with an air pump; the adsorption pipe is communicated end to end and is arranged at one end of the transition pipe; the outer end of the adsorption tube is provided with a nitrogen discharge tube; the adsorption pipe is provided with an adsorption mechanism; the adsorption mechanism comprises a first adsorption cover, a second adsorption cover and a rotary driving mechanism; the first adsorption cover and the second adsorption cover are both in a conical structure with an inner middle hole and air holes arranged on the peripheral surfaces; the first adsorption cover and the second adsorption cover are filled with adsorption particles; the first adsorption cover and the second adsorption cover are oppositely arranged, and the small end of the first adsorption cover and the small end of the second adsorption cover are oppositely arranged on the inner side; the upper sides of the first adsorption cover and the second adsorption cover are fixed through a connecting rod; the rotary driving mechanism is arranged on the adsorption pipe; the rotary driving mechanism drives the first adsorption cover and the second adsorption cover to do reciprocating rotary motion.
Furthermore, the rotary driving mechanism comprises a driving rod, a driving gear, a driving toothed plate and a telescopic mechanism; the first adsorption cover is positioned at the front end of the second adsorption cover; the telescopic mechanism is arranged on the outer side of the upper end of the adsorption pipe; the lower end of the telescopic mechanism is provided with a telescopic rod; the lower end of the telescopic rod is connected in the adsorption pipe in a telescopic way; the lower end of the telescopic rod is provided with a driving toothed plate; the driving toothed plate is meshed with the driving gear; the driving gear is arranged on the outer side of the periphery of one end of the driving rod; the other end of the driving rod is arranged in the middle of the second adsorption cover through a connecting rod.
Furthermore, clamping rings are arranged on the outer sides of the peripheries of the large end of the first adsorption cover and the large end of the second adsorption cover; two parallel and opposite annular clamping grooves are formed in the periphery of the inner wall of the adsorption tube; the first adsorption cover and the second adsorption cover are respectively connected in the annular clamping groove in a rotating manner through the clamping ring.
Furthermore, the telescopic mechanism is a telescopic cylinder.
Furthermore, a sealing block is arranged in the middle of the lower head end of the second adsorption cover.
Furthermore, a filtering membrane is arranged at the outer end part of the adsorption pipe.
Further, the adsorption particles are 5A molecular sieves.
Further, the utility model also comprises a scooping mechanism; the scooping mechanism comprises a front scooping movable plate, an external driving motor and a rear scooping movable plate; the front end scooping plate and the rear end scooping plate are both of L-shaped structures; the front end scooping plate and the rear end scooping plate are respectively horizontally arranged at the upper part of the inner part of the adsorption tube in the front-back direction; and the external driving motor drives the front end scooping plate and the rear end scooping plate to synchronously rotate.
Furthermore, the rear end scooping plate is positioned at the front ends of the first adsorption cover and the second adsorption cover; the front end scooping movable plate is provided with a front end scooping opening; the back end scooping movable plate is provided with a back end scooping opening; the front scooping plate is of a structure in the shape of Chinese character 'ji'; the back scooping plate is in a' shape structure.
The invention has the advantages of
1. According to the gas adsorption device, water vapor and solid particle impurities are adsorbed on gas through the first adsorption cover and the second adsorption cover which rotate dynamically, the first adsorption cover and the second adsorption cover are both in a conical structure with inner middle holes and vent holes formed in the peripheral surfaces, the gas is adsorbed through the first adsorption cover, gas attraction vortex is generated through the rotating first adsorption cover, so that the gas is strongly rubbed and adsorbed by the first adsorption cover, then the gas is adsorbed through the second adsorption cover, and the first adsorption cover and the second adsorption cover rotate in a reciprocating mode.
2. The invention is provided with the scooping mechanism, the front end scooping plate is in a 'shape structure, the rear end scooping plate is in a' shape structure, the front end scooping plate and the rear end scooping plate are driven to synchronously rotate by the external driving motor, and the density of water vapor entering the adsorption tube is smaller than that of nitrogen, so that the water vapor can be concentrated on the upper part inside the adsorption tube, and further a large amount of water vapor can be concentrated on the upper part inside the adsorption tube, so that the water vapor adsorption effect is poor.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is an enlarged schematic view of the adsorption tube, the adsorption mechanism and the scooping mechanism of the present invention.
FIG. 3 is a schematic view of the initial structure of the scooping mechanism of the present invention.
FIG. 4 is a schematic view of the scooping mechanism of the present invention rotated ninety degrees.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, a nitrogen purification apparatus includes a tank 1, a transition pipe 2, an adsorption pipe 3, and an adsorption mechanism 4. A transition pipe 2 is arranged on one side of the tank body 1; the transition pipe 2 is provided with an air pump 6; the adsorption pipe 3 is communicated end to end and is arranged at one end of the transition pipe 2; the outer end of the adsorption tube 3 is provided with a nitrogen discharge tube 5; the adsorption pipe 3 is provided with an adsorption mechanism 4; the adsorption mechanism 4 comprises a first adsorption cover 41, a second adsorption cover 42 and a rotary driving mechanism 43; the first adsorption cover 41 and the second adsorption cover 42 are both in a conical structure with an inner middle hole and air holes arranged on the peripheral surfaces; the first adsorption cover 41 and the second adsorption cover 42 are filled with adsorption particles 44; the first adsorption cover 41 and the second adsorption cover 42 are oppositely arranged, the small ends of the first adsorption cover 41 and the second adsorption cover 42 are arranged on the inner side, the first adsorption cover 41 and the second adsorption cover 42 can be both in a conical structure, and the first adsorption cover 41 and the second adsorption cover 42 are divided into a large end and a small end; the upper sides of the first adsorption cover 41 and the second adsorption cover 42 are fixed through a connecting rod 45; the rotary driving mechanism 43 is arranged on the adsorption tube 3; the rotary driving mechanism 43 drives the first adsorption hood 41 and the second adsorption hood 42 to perform reciprocating rotation. The adsorption tube 3 may be installed at one side of the tank 1 through a support plate 11.
As shown in fig. 2, further, the rotary driving mechanism 43 includes a driving rod 435, a driving gear 434, a driving toothed plate 433, and a telescoping mechanism 431; the first adsorption hood 41 is located at the front end of the second adsorption hood 42, where the front end refers to the direction of first contacting with the gas; the telescopic mechanism 431 is arranged on the outer side of the upper end of the adsorption pipe 3; the lower end of the telescopic mechanism 431 is provided with a telescopic rod 432; the lower end of the telescopic rod 432 is telescopically connected in the adsorption pipe 3; the lower end of the telescopic rod 432 is provided with a driving toothed plate 433; the driving toothed plate 433 is meshed with the driving gear 434; the driving gear 434 is installed at the outer side of the periphery of one end of the driving rod 435; the other end of the driving rod 435 is installed at the middle position of the second adsorption cover 42 through the connecting rod 45. More preferably, the clamping rings 46 are arranged on the outer sides of the peripheries of the large end of the first adsorption cover 41 and the large end of the second adsorption cover 42; two parallel opposite annular clamping grooves are formed in the periphery of the inner wall of the adsorption tube 3; the first adsorption cover 41 and the second adsorption cover 42 are rotatably clamped in the annular clamping groove 3 through clamping rings 46 respectively. Further, the telescopic mechanism 431 is a telescopic cylinder. Furthermore, a sealing block is arranged in the middle of the lower head end of the second adsorption cover. Further preferably, a filtering membrane 7 is arranged at the outer end part of the adsorption pipe 3. More preferably, the adsorbent particles 44 are 5A molecular sieves.
As shown in fig. 1, 3 and 4, further comprises a scooping mechanism 8; the scooping mechanism 8 comprises a front scooping plate 81, an external driving motor and a rear scooping plate 82; the front scooping plate 81 and the rear scooping plate 82 are both in an L-shaped structure; the front scooping plate 81 and the rear scooping plate 82 are horizontally arranged above the inner part of the adsorption tube 3 in the front-back direction; the external driving motor drives the leading scooping plate 81 and the trailing scooping plate 82 to rotate synchronously. Further, the rear scoop plate 82 is located at the front ends of the first suction hood 41 and the second suction hood 42; the front scooping plate 81 is provided with a front scooping port 811; the rear end scooping plate 82 is provided with a rear end scooping port 821; the front scooping plate 81 has a structure of "" shape; the rear scooping plate 82 has a "shape structure" such that the front scooping plate 81 and the rear scooping plate 82 can scoop water vapor alternately.
According to the invention, the gas is adsorbed by the first adsorption cover 41 and the second adsorption cover 42 which rotate dynamically, the first adsorption cover 41 and the second adsorption cover 42 are both in a conical structure with a central hole inside and vent holes arranged on the peripheral surface, the gas firstly passes through the first adsorption cover 41 for adsorption, the gas is strongly adsorbed by the first adsorption cover 41 through the gas suction vortex generated by the rotating first adsorption cover 41, then the gas is adsorbed by the second adsorption cover 41, and the first adsorption cover 41 and the second adsorption cover 42 rotate in a reciprocating manner, so that when the gas is adsorbed by the second adsorption cover 42, the rotation direction of the second adsorption cover 42 is opposite to the rotation direction of the gas passing through the first adsorption cover 41, and thus the gas is scattered by the second adsorption cover 42 to generate a disturbance adsorption effect, the adsorption area and the adsorption time are increased, the gas adsorption is more sufficient, and the adsorption effect of the invention is improved.
The scooping mechanism 8 is arranged, the front end scooping plate 81 is in a 'shape structure, the rear end scooping plate 82 is in a' shape structure, the front end scooping plate 81 and the rear end scooping plate 82 are driven to synchronously rotate through the external driving motor, and the density of water vapor entering the adsorption tube is smaller than that of nitrogen, so that the water vapor is concentrated above the inside of the adsorption tube 3, and further a large amount of water vapor is concentrated above the inside of the adsorption tube 3, so that the water vapor adsorption effect is poor, and the water vapor is concentrated above the inside of the adsorption tube 3 through the rotary scooping of the front end scooping plate 81 and the rear end scooping plate 82 to drive and disperse, so that the pressure of the water vapor adsorbed at the upper ends of the first adsorption hood 41 and the second adsorption hood 42 is reduced, and the water vapor adsorption effect is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (8)
1. A nitrogen purification device is characterized by comprising a tank body, a transition pipe, an adsorption pipe and an adsorption mechanism; one side of the tank body is provided with a transition pipe; the transition pipe is provided with an air pump; the adsorption pipe is communicated end to end and is arranged at one end of the transition pipe; the outer end of the adsorption pipe is provided with a nitrogen discharge pipe; the adsorption pipe is provided with an adsorption mechanism; the adsorption mechanism comprises a first adsorption cover, a second adsorption cover and a rotary driving mechanism; the first adsorption cover and the second adsorption cover are both in a conical structure with hollow interiors and vent holes on the surfaces of the periphery; the first adsorption cover and the second adsorption cover are filled with adsorption particles; the first adsorption cover and the second adsorption cover are oppositely arranged, and the small end parts of the first adsorption cover and the second adsorption cover are arranged on the inner side; the upper sides of the first adsorption cover and the second adsorption cover are fixed through a connecting rod; the rotary driving mechanism is arranged on the adsorption pipe; the rotary driving mechanism drives the first adsorption cover and the second adsorption cover to do reciprocating rotary motion; the rotary driving mechanism comprises a driving rod, a driving gear, a driving toothed plate and a telescopic mechanism; the first adsorption cover is positioned at the front end of the second adsorption cover; the telescopic mechanism is arranged on the outer side of the upper end of the adsorption pipe; the lower end of the telescopic mechanism is provided with a telescopic rod; the lower end of the telescopic rod is telescopically connected in the adsorption pipe; the lower end of the telescopic rod is provided with a driving toothed plate; the driving toothed plate is meshed with the driving gear; the driving gear is arranged on the outer side of the periphery of one end of the driving rod; the other end of the driving rod is arranged in the middle of the second adsorption cover through a connecting rod.
2. The nitrogen purifying device of claim 1, wherein clamping rings are arranged outside the peripheries of the large end of the first adsorption cover and the large end of the second adsorption cover; two parallel and opposite annular clamping grooves are formed in the periphery of the inner wall of the adsorption tube; the first adsorption cover and the second adsorption cover are respectively connected in the annular clamping groove in a rotating manner through the clamping ring.
3. The nitrogen purifying apparatus according to claim 1, wherein the telescopic mechanism is a telescopic cylinder.
4. The nitrogen purifying device of claim 1, wherein a closing block is arranged in the middle of the lower head end of the second adsorption cover.
5. Nitrogen purification apparatus according to claim 1, wherein the outer end of the adsorption tube is provided with a filtration membrane.
6. The nitrogen purification apparatus of claim 1, wherein the adsorbent particles are 5A molecular sieves.
7. The nitrogen purification apparatus of claim 1, further comprising a scooping mechanism; the scooping mechanism comprises a front scooping plate, an external driving motor and a rear scooping plate; the front end scooping plate and the rear end scooping plate are both of L-shaped structures; the front end scooping plate and the rear end scooping plate are respectively horizontally arranged at the upper part of the inner part of the adsorption tube in the front-back direction; and the external driving motor drives the front end scooping plate and the rear end scooping plate to synchronously rotate.
8. The nitrogen purifying apparatus of claim 7, wherein the back scooping plate is located at the front ends of the first adsorption hood and the second adsorption hood; the front end scooping movable plate is provided with a front end scooping opening; the back end scooping plate is provided with a back end scooping port; the front scooping plate is of a structure in the shape of Chinese character 'ji'; the back scooping plate is in a' shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776290.1A CN110510586B (en) | 2019-08-22 | 2019-08-22 | Nitrogen purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776290.1A CN110510586B (en) | 2019-08-22 | 2019-08-22 | Nitrogen purification device |
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| Publication Number | Publication Date |
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| CN110510586A CN110510586A (en) | 2019-11-29 |
| CN110510586B true CN110510586B (en) | 2022-10-28 |
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| CN201910776290.1A Active CN110510586B (en) | 2019-08-22 | 2019-08-22 | Nitrogen purification device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116712828B (en) * | 2023-05-23 | 2023-12-26 | 山东众海机械有限公司 | Equipment for purifying nitrogen under high-pressure state |
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| GB2448522A (en) * | 2007-04-18 | 2008-10-22 | Avon Polymer Prod Ltd | Gas adsorption air filtering fan |
| CN202226894U (en) * | 2011-08-26 | 2012-05-23 | 广西地博矿业集团股份有限公司 | Self-flow vortex type adsorption barrel |
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