CN110523210B - Switching type nitrogen purification device - Google Patents
Switching type nitrogen purification device Download PDFInfo
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- CN110523210B CN110523210B CN201910776294.XA CN201910776294A CN110523210B CN 110523210 B CN110523210 B CN 110523210B CN 201910776294 A CN201910776294 A CN 201910776294A CN 110523210 B CN110523210 B CN 110523210B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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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
- C01B2210/0045—Oxygen
Abstract
The invention discloses a switching type nitrogen purification device which comprises a tank body, a transition pipe, an adsorption pipe, a switching type adsorption mechanism, a switching driving mechanism, a plug-in positioning mechanism and a rotary driving mechanism, wherein the tank body is provided with a plurality of grooves; the number of the switching type adsorption mechanisms is two; the switching driving mechanism is arranged on one side below the switching notch; the switching driving mechanism drives the two switching type adsorption mechanisms to sequentially rotate, switch and abut against the switching gap; the switching type adsorption mechanism comprises a butting ring, a first adsorption cover and a second adsorption cover; the invention can drive the two switching type adsorption mechanisms to sequentially rotate, switch and abut against the switching gap through the switching driving mechanism, and has high switching efficiency and good purification effect.
Description
Technical Field
The invention relates to a switching type 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: the switching type nitrogen purification device is convenient to switch, high in operation efficiency and good in impurity removal and purification effects.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a switching type nitrogen purification device comprises a tank body, a transition pipe, an adsorption pipe, a switching type adsorption mechanism, a switching driving mechanism, a plug-in positioning mechanism and a rotary driving 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; a switching gap is arranged in the middle of the adsorption tube; the number of the switching type adsorption mechanisms is two; the switching driving mechanism is arranged on one side below the switching notch; the switching driving mechanism drives the two switching type adsorption mechanisms to sequentially rotate, switch and abut against the switching gap; the switching type adsorption mechanism comprises a butting ring, a first adsorption cover and a second adsorption cover; 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 connected in the abutting ring, 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 inserting positioning mechanism is arranged in the adsorption pipe; the inserting positioning mechanism drives the switching type adsorption mechanism to be separated from or connected with the rotary driving mechanism; 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.
Further, the switching driving mechanism comprises a rotating block and a switching motor; the switching motor drives the rotating block to rotate; the upper end and the lower end of the rotating block are respectively connected with a switching type adsorption mechanism; the upper end and the lower end of the rotating block are respectively connected to the middle of the side part of the abutting ring; two ends of the abutting ring are provided with annular elastic sealing rings; the butt ring is butted on the switching gap of the adsorption tube through the annular elastic sealing rings at the two ends.
Furthermore, the rotary driving mechanism comprises a driving rod, a driving gear, a driving toothed plate, a telescopic mechanism and a clamping rod; 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 lower end of the driving rod is provided with a clamping and connecting rod; the driving rod is rotatably clamped at the upper end of the clamping rod, and the lower end of the clamping rod is fixed inside the lower end of the adsorption tube; the other end of the driving rod is connected with or separated from the middle position of the second adsorption cover through the inserting positioning mechanism.
Furthermore, the switching type adsorption mechanism also comprises an insertion column; one end of the insertion column is connected to the middle position of the second adsorption cover through a connecting rod; the other end of the splicing column is provided with a rectangular splicing groove; the other end of the driving rod is provided with a telescopic rectangular slot; the plug-in positioning mechanism comprises a plug-in driving cylinder, an L-shaped driving rod and a rectangular locking column; the bottom of the adsorption tube is provided with a positioning groove; the plug-in driving cylinder is arranged in the positioning groove; the telescopic end of the plug-in driving cylinder is connected with the lower end of the L-shaped driving rod; the upper end of the L-shaped driving rod is connected with the lower side of the rectangular locking column; the lower end of the rectangular locking column is rotationally clamped at the upper end of the L-shaped driving rod; one end of the rectangular locking column is telescopically inserted into the telescopic rectangular slot at the other end of the driving rod; the plug-in driving cylinder drives the L-shaped driving rod to reciprocate; the L-shaped driving rod drives the other end of the rectangular locking column to be inserted into or separated from the rectangular insertion groove of the insertion column.
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 abutting ring; 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; and 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; the adsorption particles are 5A molecular sieves.
Further, the utility model also comprises 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; 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 plate is provided with a front end scooping port; 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.
The invention has the advantages of
1. The invention controls the separation or connection of the switching type adsorption mechanism and the rotary driving mechanism through the plug-in positioning mechanism, when the positions of the two switching type adsorption mechanisms need to be switched, the switching type adsorption mechanism and the rotary driving mechanism can be separated by using the plug-in positioning mechanism, then the two switching type adsorption mechanisms are driven to rotate and switch positions through the switching driving mechanism, the switched switching type adsorption mechanism can be regenerated, the switching type adsorption mechanism switched into the adsorption pipe controls the connection of the switching type adsorption mechanism and the rotary driving mechanism through the plug-in positioning mechanism again, and then the rotary driving mechanism drives the first adsorption cover and the second adsorption cover in the switching type adsorption mechanism to rotate and reciprocate, thus forming a convenient switching driving mode.
2. The gas is adsorbed by 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 hollow interiors and vent holes on the peripheral surfaces, the gas is firstly adsorbed by the first adsorption cover, gas attraction vortex is generated by the rotating first adsorption cover, so that the gas is strongly rubbed and adsorbed by the first adsorption cover, then the gas is adsorbed by the second adsorption cover, and the first adsorption cover and the second adsorption cover rotate in a reciprocating manner, so that when the gas is adsorbed by the second adsorption cover, the rotation direction of the second adsorption cover is opposite to the rotation direction of the gas when the gas passes through the first adsorption cover, and the gas is scattered by the second adsorption cover and generates disturbance, thereby increasing the contact adsorption effect of the gas and the second adsorption cover, so that the gas is more fully adsorbed, and the adsorption effect of the invention is improved.
3. 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 structural schematic diagram of the adsorption tube, the switching adsorption mechanism, the insertion positioning mechanism and the rotation driving mechanism.
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 after rotating ninety degrees.
Fig. 5 is an enlarged schematic view of the rotary drive mechanism and the switching adsorption mechanism when they are separated.
Fig. 6 is an enlarged schematic view of the rotary drive mechanism and the switching adsorption mechanism when they are connected.
Fig. 7 is an enlarged schematic structural view of two switching adsorption mechanisms.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, a switching type nitrogen purification device includes a tank 1, a transition pipe 2, an adsorption pipe 3, a switching type adsorption mechanism 5, a switching drive mechanism 6, an insertion positioning mechanism 7, and a rotation drive mechanism 9. A transition pipe 2 is arranged on one side of the tank body 1; the transition pipe 2 is provided with an air pump 21; the adsorption pipe 3 is communicated end to end and is arranged at one end of the transition pipe 3; the outer end of the adsorption tube 3 is provided with a nitrogen discharge tube 4; a switching gap is arranged in the middle of the adsorption tube 3; two switching type adsorption mechanisms 5 are arranged; one side of the adsorption tube 3 at the two sides of the switching gap is fixedly connected by a transition tube, and the other side is supported and connected by a base 10; the switching driving mechanism 6 is arranged on one side below the switching gap; the switching driving mechanism 6 drives the two switching type adsorption mechanisms 5 to sequentially rotate, switch and abut against the switching gaps; the switching type adsorption mechanism 5 comprises a butting ring 51, a first adsorption cover 52 and a second adsorption cover 53; the first adsorption cover 51 and the second adsorption cover 52 are both in a conical structure with hollow interior and air holes on the peripheral surface; the first adsorption cover and the second adsorption cover are filled with adsorption particles 54; the first adsorption cover and the second adsorption cover are oppositely arranged and connected in the butting ring 51, and the small end ends 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 57; the inserting positioning mechanism 7 is arranged in the adsorption tube 3; the inserting positioning mechanism 7 drives the switching type adsorption mechanism 5 to be separated from or connected with the rotary driving mechanism 9; the rotary driving mechanism 9 is arranged on the adsorption tube 3; the rotary driving mechanism 9 drives the first adsorption cover 52 and the second adsorption cover 53 to do reciprocating rotary motion.
As shown in fig. 1, 2 and 7, further, the switching drive mechanism 6 includes a rotating block 62, a switching motor 61; the switching motor 61 can be arranged at one side of the tank body 1 through a base plate, and the switching motor 61 drives the rotating block 62 to rotate; the upper end and the lower end of the rotating block 62 are respectively connected with a switching type adsorption mechanism 5; the upper end and the lower end of the rotating block 62 are respectively connected to the middle of the side part of the abutting ring 51; two ends of the abutting ring 51 are provided with annular elastic sealing rings 511; the abutting ring 51 abuts against the switching notch of the suction pipe 3 through the annular elastic sealing rings 511 at both ends. In this embodiment, the connecting grooves may be formed in the upper and lower sides of the rotating block 62, and then the rotating block 62 and the abutting ring 51 are movably and fixedly connected by connecting members such as screws and nuts.
As shown in fig. 2, 5 and 6, further, the rotary driving mechanism 9 includes a driving rod 95, a driving gear 94, a driving toothed plate 93, a telescoping mechanism 91 and a clamping rod 96; the first adsorption hood 52 is located at the front end of the second adsorption hood 53, where the front end refers to the direction in which the gas is firstly contacted; the telescopic mechanism 91 is arranged on the outer side of the upper end of the adsorption pipe 3; the lower end of the telescopic mechanism is provided with a telescopic rod 92; the lower end of the telescopic rod 92 is telescopically connected in the adsorption tube 3; the lower end of the telescopic rod 92 is provided with a driving toothed plate 93; the driving toothed plate 93 is meshed with the driving gear 94; the driving gear 94 is arranged at the outer side of the periphery of one end of the driving rod 95; the lower end of the driving rod 95 is provided with a clamping rod 96; the driving rod 95 is rotatably clamped at the upper end of a clamping rod 96, and the lower end of the clamping rod 96 is fixed in the lower end of the adsorption tube 3; the other end of the driving rod 95 is connected or separated to act on the middle position of the second adsorption cover 53 through the inserting positioning mechanism 7.
As shown in fig. 2, 5 and 6, further, the switching adsorption mechanism 5 further includes a plug-in column 55; one end of the insertion column 55 is connected to the middle position of the second adsorption cover 53 through a connecting rod; the other end of the plug column 55 is provided with a rectangular plug groove 551; the other end of the driving rod 95 is provided with a telescopic rectangular slot 951; the inserting positioning mechanism 7 comprises an inserting driving cylinder 71, an L-shaped driving rod 72 and a rectangular locking column 73; the bottom of the adsorption tube 3 is provided with a positioning groove 31; the plug-in driving cylinder 71 is arranged in the positioning groove 31; the telescopic end of the plug-in driving cylinder 71 is connected with the lower end of an L-shaped driving rod 72; the upper end of the L-shaped driving rod 72 is connected with the lower side of a rectangular locking column 73; the lower end of the rectangular locking column 73 is rotationally clamped at the upper end of the L-shaped driving rod 72; one end of the rectangular locking column 73 is telescopically inserted into a telescopic rectangular slot 951 at the other end of the driving rod 95, and the rectangular locking column 73 and the driving rod 95 cannot be separated; the plug-in driving cylinder 71 drives the L-shaped driving rod 72 to reciprocate; the L-shaped driving rod 72 drives the other end of the rectangular locking post 73 to be inserted into or separated from the rectangular insertion groove 551 of the insertion post 55.
As shown in fig. 2, further, the clamping rings 56 are arranged on the outer sides of the peripheries of the large end portions of the first adsorption cover 52 and the second adsorption cover 53; two parallel and opposite annular clamping grooves are formed in the periphery of the inner wall of the abutting ring 51; 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. Further, the telescopic mechanism 91 is a telescopic cylinder; and a sealing block is arranged in the middle of the lower head end of the second adsorption cover 53. Furthermore, a filtering membrane 33 is arranged at the outer end part of the adsorption pipe 3; the adsorbent particles 54 are 5A molecular sieves.
As shown in fig. 3 and 4, further, a scooping mechanism 8 is also included; 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 scooping plate 82 is located at the front ends of the first suction hood and the second suction hood; 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 scoop plate 82 is "shaped".
The invention controls the separation or connection of the switching type adsorption mechanism 5 and the rotary driving mechanism 9 through the inserting positioning mechanism 7, when the positions of the two switching type adsorption mechanisms 5 need to be switched, the switching adsorption mechanism 5 and the rotary driving mechanism 9 can be separated by using the inserting positioning mechanism 7, then the switching driving mechanism 6 drives the two switching type adsorption mechanisms 5 to rotate and switch positions, the switched-off switching adsorption mechanism 5 can be regenerated, and the switching adsorption mechanism 5 switched into the adsorption tube 3 is connected with the rotary driving mechanism 9 under the control of the switching adsorption mechanism 5 through the inserting positioning mechanism 7, the first suction cup 52 and the second suction cup 53 of the switching suction mechanism 5 are then rotationally reciprocated by the rotational driving mechanism 9, thus forming a convenient switching driving mode.
The gas is adsorbed by the first adsorption cover 52 and the second adsorption cover 53 which rotate dynamically, the first adsorption cover 52 and the second adsorption cover 53 are both in a conical structure with hollow interiors and vent holes arranged on the peripheral surfaces, the gas firstly passes through the first adsorption cover 52 for adsorption, gas suction vortex is generated by the rotating first adsorption cover 52, so that the gas is strongly rubbed and adsorbed by the first adsorption cover 52, then the gas passes through the second adsorption cover 53 for adsorption, and the first adsorption cover 52 and the second adsorption cover 53 rotate in a reciprocating manner, so that when the gas passes through the second adsorption cover 53 for adsorption, the rotation direction of the second adsorption cover 53 is opposite to the rotation direction of the gas passing through the first adsorption cover 52, and the gas is scattered by the second adsorption cover 53 and disturbed, so that the contact adsorption effect of the gas and the second adsorption cover 53 is increased, so that the gas is more fully adsorbed, and the adsorption effect of the invention is improved.
The invention is provided with the scooping mechanism 8, 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 by an external driving motor, and the density of the water vapor entering the adsorption tube 3 is less than that of nitrogen, so the water vapor is concentrated on the upper part inside the adsorption tube 3, and further a large amount of water vapor is concentrated on the upper part inside the adsorption tube 3, so the water vapor adsorption effect is poor, and the water vapor is concentrated on the upper part inside the adsorption tube 3 by the rotating scooping of the front end scooping plate 81 and the rear end scooping plate 82 to drive and disperse, thereby the pressure of the water vapor adsorbed on the upper ends of the first adsorption hood 52 and the second adsorption hood 53 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 is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A switching type nitrogen purification device is characterized by comprising a tank body, a transition pipe, an adsorption pipe, a switching type adsorption mechanism, a switching driving mechanism, a plug-in positioning mechanism and a rotary driving 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; a switching gap is arranged in the middle of the adsorption tube; the number of the switching type adsorption mechanisms is two; the switching driving mechanism is arranged on one side below the switching notch; the switching driving mechanism drives the two switching type adsorption mechanisms to sequentially rotate, switch and abut against the switching gap; the switching type adsorption mechanism comprises a butting ring, a first adsorption cover and a second adsorption cover; 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 connected in the abutting ring, 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 inserting positioning mechanism is arranged in the adsorption pipe; the inserting positioning mechanism drives the switching type adsorption mechanism to be separated from or connected with the rotary driving mechanism; 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, a telescopic mechanism and a clamping rod; 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 lower end of the driving rod is provided with a clamping and connecting rod; the driving rod is rotatably clamped at the upper end of the clamping rod, and the lower end of the clamping rod is fixed inside the lower end of the adsorption tube; the other end of the driving rod is connected with or separated from the middle position of the second adsorption cover through the inserting positioning mechanism.
2. The switching nitrogen purifier of claim 1, wherein the switching drive mechanism comprises a rotating block, a switching motor; the switching motor drives the rotating block to rotate; the upper end and the lower end of the rotating block are respectively connected with a switching type adsorption mechanism; the upper end and the lower end of the rotating block are respectively connected to the middle of the side part of the abutting ring; two ends of the abutting ring are provided with annular elastic sealing rings; the butt ring is butted on the switching gap of the adsorption tube through the annular elastic sealing rings at the two ends.
3. The switching nitrogen purification device of claim 1, wherein the switching adsorption mechanism further comprises a plug-in column; one end of the insertion column is connected to the middle position of the second adsorption cover through a connecting rod; the other end of the splicing column is provided with a rectangular splicing groove; the other end of the driving rod is provided with a telescopic rectangular slot; the plug-in positioning mechanism comprises a plug-in driving cylinder, an L-shaped driving rod and a rectangular locking column; the bottom of the adsorption tube is provided with a positioning groove; the plug-in driving cylinder is arranged in the positioning groove; the telescopic end of the plug-in driving cylinder is connected with the lower end of the L-shaped driving rod; the upper end of the L-shaped driving rod is connected with the lower side of the rectangular locking column; the lower end of the rectangular locking column is rotationally clamped at the upper end of the L-shaped driving rod; one end of the rectangular locking column is telescopically inserted into the telescopic rectangular slot at the other end of the driving rod; the plug-in driving cylinder drives the L-shaped driving rod to reciprocate; the L-shaped driving rod drives the other end of the rectangular locking column to be inserted into or separated from the rectangular insertion groove of the insertion column.
4. The switching type nitrogen purification device as claimed in claim 1, wherein clamping rings are arranged on the outer sides of the peripheries of the large end portions of the first adsorption cover and the second adsorption cover; two parallel and opposite annular clamping grooves are formed in the periphery of the inner wall of the abutting ring; 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.
5. The switching nitrogen purification device according to claim 1, wherein the telescopic mechanism is a telescopic cylinder; and a sealing block is arranged in the middle of the lower head end of the second adsorption cover.
6. The switching type nitrogen purification device according to claim 1, wherein a filtering membrane is arranged at the outer end of the adsorption tube; the adsorption particles are 5A molecular sieves.
7. The switching nitrogen purification device 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; the external driving motor drives the front end scooping plate and the rear end scooping plate to synchronously rotate.
8. The switching nitrogen purifier of claim 7, wherein the back scooping plate is located at the front ends of the first and second adsorption cups; the front end scooping plate is provided with a front end scooping port; 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.
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| CN201910776294.XA CN110523210B (en) | 2019-08-22 | 2019-08-22 | Switching type nitrogen purification device |
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| KR20100039195A (en) * | 2008-10-06 | 2010-04-15 | 웅진코웨이주식회사 | Air purifing apparatus |
| CN206082070U (en) * | 2016-10-13 | 2017-04-12 | 池州山立分子筛有限公司 | Nitrogen generator adsorption equipment |
| CN206778078U (en) * | 2017-03-24 | 2017-12-22 | 东莞市美景通风设备有限公司 | A kind of power house ventilation window dust arrester |
| CN206716627U (en) * | 2017-04-20 | 2017-12-08 | 常州信息职业技术学院 | A kind of computer air extractor for facilitating dedusting |
| CN206927614U (en) * | 2017-06-02 | 2018-01-26 | 深圳华药南方制药有限公司 | A kind of nitrogen preparation system |
| CN207042157U (en) * | 2017-07-20 | 2018-02-27 | 上海上品上生智能科技有限公司 | A kind of air cleaning unit for being easy to safeguard |
| CN107224829A (en) * | 2017-07-29 | 2017-10-03 | 东台宏仁气体有限公司 | A kind of air filtering system |
| CN107511000A (en) * | 2017-09-25 | 2017-12-26 | 郑州天舜电子技术有限公司 | A kind of building engineering construction dust arrester of automatic cleaning function |
| CN107511007A (en) * | 2017-10-13 | 2017-12-26 | 佛山市高研信息技术有限公司 | A kind of boiler dust remover of novel environment friendly dedusting |
| KR101868881B1 (en) * | 2017-12-01 | 2018-06-19 | 일진피앤에스 주식회사 | Oil vapor apparatus |
| CN208599364U (en) * | 2018-04-27 | 2019-03-15 | 马鞍山金安环境科技有限公司 | A kind of waste gas dust-removal device purification mechanism |
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