Multistage separation and filtration adsorption cylinder

Abstract

The utility model discloses a multi-stage separation and filtration adsorption cylinder, relates to the technical field of air separation, and aims to solve the problem that in the prior art, a carbon molecular sieve is fixed in an existing adsorption cylinder, the whole adsorption cylinder needs to be detached when the carbon molecular sieve is replaced, and the operation is troublesome. Semi-arc-shaped openings are formed in the middle of one side, the upper end and the lower end of the outer wall of the adsorption barrel, annular supporting pieces are fixedly connected to the positions, at the upper ends and the lower ends of the inner sides of the semi-arc-shaped openings, of the inner wall of the adsorption barrel, and a carbon molecular sieve is arranged between the two annular supporting pieces on the inner side of each semi-arc-shaped opening; an arc-shaped sealing cover plate is rotationally connected to the outer side of each semi-arc-shaped opening and located on the outer wall of the adsorption barrel, an arc-shaped sealing strip is fixedly connected to the end face of the inner side of each arc-shaped sealing cover plate, and an arc-shaped ejecting piece is fixedly connected to the middle of the inner side of each arc-shaped sealing strip.

Description

TECHNICAL FIELD

[0001] The utility model relates to adsorption cylinder technical field, concretely is a kind of multistage separation filtering adsorption cylinder. BACKGROUND

[0002] Molecular sieve air separation nitrogen is with air as raw material, with carbon molecular sieve as adsorbent, using the principle of pressure swing adsorption, the selective adsorption of carbon molecular sieve to oxygen and nitrogen and makes nitrogen and oxygen separation method, commonly known as PSA nitrogen.This method is a new nitrogen production technology that developed rapidly in the seventies.Compared with traditional nitrogen production method, it has the characteristics of simple process, high automation, fast gas production (15-30 minutes), low energy consumption, product purity can be adjusted in a large range according to user needs, easy operation and maintenance, low running cost, strong device adaptability and other characteristics.

[0003] For example, the authorized announcement number CN 209771757 U discloses a kind of adsorption cylinder and nitrogen making machine, to solve the problem of the sealing of existing adsorption cylinder is not ideal.The product includes cylinder, carbon molecular sieve is installed in the cylinder, second joint is installed on the one side of cylinder exterior, flange is installed on the other side of cylinder exterior, top flange is installed on the top of cylinder, head is installed on the bottom of cylinder and is wrapped with gasket, flat cover is installed on the bottom of head and first joint is penetrated on flat cover.The product is rationally designed, by increasing sealing component in the bottom and top of cylinder, guarantee the sealing of entire cylinder, meet the use demand of people;The product also increases support outside cylinder, guarantee that cylinder does not shake when working, and the working stability is good;The product is provided with first side flange and second side flange, facilitate being connected with other components, and the use effect is good.

[0004] In existing adsorption cylinder, carbon molecular sieve is fixed in the interior of adsorption cylinder, when carbon molecular sieve is replaced, entire adsorption cylinder needs to be disassembled, it is more troublesome;Therefore, market urgently needs to develop a kind of multistage separation filtering adsorption cylinder to help people solve existing problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of multistage separation filtering adsorption cylinder to solve the problem that carbon molecular sieve is fixed in the interior of adsorption cylinder in existing adsorption cylinder in the above background art, when carbon molecular sieve is replaced, entire adsorption cylinder needs to be disassembled, it is more troublesome.

[0006] To achieve the above object, the utility model provides the following technical scheme: a multistage separation filter adsorption cylinder, including adsorption cylinder, the one side middle part of adsorption cylinder outer wall and the upper and lower both ends are provided with semicircle arc type opening, the upper and lower both ends of semicircle arc type opening on the inner wall of adsorption cylinder are all fixedly connected with annular support piece, the two annular support pieces between semicircle arc type opening inboard are all provided with carbon molecular sieve, the inboard of each semicircle arc type opening is rotatably connected with arc seal cover plate on the outer side and on the outer wall of adsorption cylinder, arc seal strip is fixedly connected on the inner side end surface of arc seal cover plate, arc top piece is fixedly connected with arc seal strip inboard middle part.

[0007] Preferably, the carbon molecular sieve edge is fixedly connected with an annular fixed frame.

[0008] Preferably, the middle part of the front end face and the upper and lower ends of the adsorption cylinder are fixedly connected with first rotary connecting pieces, and the front end of the arc seal cover plate is fixedly connected with second rotary connecting pieces.

[0009] Preferably, the second rotary connecting pieces on the three arc seal cover plates are rotatably connected with the three first rotary connecting pieces on the front end face of the adsorption cylinder through rotary shafts.

[0010] Preferably, the arc top pieces on the three arc seal strips are inserted into the interiors of the three semicircle arc type openings on the adsorption cylinder.

[0011] Preferably, the middle parts of the upper and lower ends of the arc seal cover plate are fixedly connected with first wing plates, and the two first wing plates on the arc seal cover plate are fixedly connected with the adsorption cylinder through first bolts.

[0012] Preferably, the rear end of the arc seal cover plate is fixedly connected with a second wing plate, and the second wing plate on the arc seal cover plate is fixedly connected with the adsorption cylinder through a second bolt.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] In the utility model, through the setting of semicircle arc type opening, the arc seal cover plate is rotatably connected with the outer side of each semicircle arc type opening and on the outer wall of the adsorption cylinder, when the carbon molecular sieve needs to be replaced, the first bolt and the second bolt are disassembled, the arc seal cover plate is rotated outward and opened from the front end of the semicircle arc type opening through the rotary shaft, the carbon molecular sieve can be pulled out and replaced from the semicircle arc type opening, the operation is convenient, the entire adsorption cylinder does not need to be disassembled, and the replacement efficiency is improved.

[0015] The utility model discloses, through the setting of arc top piece, three arc sealing strips arc top piece is inserted respectively in the inside of three semicircular arc type opening of adsorption cylinder, when carbon molecular sieve inserts the inside of adsorption cylinder, through arc top piece and inserts semicircular arc type opening inside, and pushes the annular fixed frame of carbon molecular sieve, makes the annular fixed frame and adsorption cylinder inner wall between clamping, prevents carbon molecular sieve from happening to shake, simultaneously in arc sealing cover plate and semicircular arc type opening close after through arc sealing strip to semicircular arc type opening is closed.

[0016] The utility model discloses, through the setting of annular support piece, carbon molecular sieve edge fixed connection has annular fixed frame, when carbon molecular sieve inserts the inside of adsorption cylinder, through annular fixed frame and inserts two annular support piece between carbon molecular sieve in adsorption cylinder inside support, makes carbon molecular sieve stable setting in adsorption cylinder inside. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view of a multistage separation filtering adsorption cylinder of the utility model;

[0018] Figure 2 It is the main sectional view of the utility model;

[0019] Figure 3 It is the semicircular arc type opening of the utility model and falls sectional view;

[0020] Figure 4 It is the A detail of the utility model and enlargies;

[0021] In the drawing: 1, adsorption cylinder;101, semicircular arc type opening;102, annular support piece;103, first rotation connecting piece;104, rotation shaft;2, carbon molecular sieve;201, annular fixed frame;3, arc sealing cover plate;301, arc sealing strip;302, arc top piece;303, second rotation connecting piece;4, first wing plate;401, first bolt;5, second wing plate;501, second bolt. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-4The utility model provides a kind of embodiment: a multistage separation filtering adsorption cylinder, semicircular arc type opening 101 is provided in the middle part and the upper and lower ends of one side of the outer wall of adsorption cylinder 1, annular support piece 102 is fixedly connected on the inner wall of adsorption cylinder 1 and on the inboard of semicircular arc type opening 101 upper and lower ends, carbon molecular sieve 2 is arranged between the two annular support pieces 102 of each semicircular arc type opening 101 inboard, arc-shaped sealing cover plate 3 is rotatably connected on the outside of each semicircular arc type opening 101 and on the outer wall of adsorption cylinder 1, arc-shaped sealing strip 301 is fixedly connected on the inboard end surface of arc-shaped sealing cover plate 3, arc-shaped top piece 302 is fixedly connected in the middle part of arc-shaped sealing strip 301 inboard.

[0024] Further, annular fixed frame 201 is fixedly connected to the edge of carbon molecular sieve 2, when carbon molecular sieve 2 is inserted into the inside of adsorption cylinder 1, carbon molecular sieve 2 is supported in the inside of adsorption cylinder 1 by inserting annular fixed frame 201 between the two annular support pieces 102, so that carbon molecular sieve 2 is stably arranged in the inside of adsorption cylinder 1.

[0025] Further, first rotating connecting piece 103 is fixedly connected to the middle part and the upper and lower ends of the front end face of adsorption cylinder 1, and second rotating connecting piece 303 is fixedly connected to the front end of arc-shaped sealing cover plate 3.

[0026] Further, the second rotating connecting piece 303 on the three arc-shaped sealing cover plates 3 is rotatably connected to the first rotating connecting piece 103 on the front end face of adsorption cylinder 1 through rotating shaft 104, so that the arc-shaped sealing cover plate 3 can rotate through the rotating shaft 104.

[0027] Further, arc-shaped top piece 302 on the three arc-shaped sealing strips 301 is inserted into the inside of semicircular arc type opening 101 on adsorption cylinder 1, when carbon molecular sieve 2 is inserted into the inside of adsorption cylinder 1, arc-shaped top piece 302 is inserted into the inside of semicircular arc type opening 101, and annular fixed frame 201 of carbon molecular sieve 2 is pushed, so that annular fixed frame 201 is clamped between the inner wall of adsorption cylinder 1, to prevent carbon molecular sieve 2 from shaking, and semicircular arc type opening 101 is closed through arc-shaped sealing strip 301 after arc-shaped sealing cover plate 3 and semicircular arc type opening 101 are folded.

[0028] Further, first wing plate 4 is fixedly connected to the middle part of the upper and lower ends of arc-shaped sealing cover plate 3, and first wing plate 4 is fixedly connected between arc-shaped sealing cover plate 3 and adsorption cylinder 1 through first bolt 401, so that first wing plate 4 stably connects the middle part of arc-shaped sealing cover plate 3 and adsorption cylinder 1.

[0029] Further, the second wing plate 5 is fixedly connected to the rear end of the arc-shaped sealing cover plate 3, and the second wing plate 5 is fixedly connected between the arc-shaped sealing cover plate 3 and the adsorption cylinder 1 through the second bolt 501, so that the rear end of the arc-shaped sealing cover plate 3 is stably connected to the adsorption cylinder 1 through the second wing plate 5, and when the carbon molecular sieve 2 needs to be replaced, the first bolt 401 and the second bolt 501 are disassembled, the arc-shaped sealing cover plate 3 is rotated outward from the front end of the semicircular arc-shaped opening 101 through the rotating shaft 104, and the carbon molecular sieve 2 can be pulled out of the semicircular arc-shaped opening 101 for replacement, so that the operation is convenient, the entire adsorption cylinder 1 does not need to be disassembled, and the replacement efficiency is improved.

[0030] Working principle: when in use, the carbon molecular sieve 2 is stably supported between the two annular support members 102 in the adsorption cylinder 1 through the annular fixing frame 201 at the edge of the carbon molecular sieve 2. When the carbon molecular sieve 2 needs to be installed or replaced in the adsorption cylinder 1, first, the first bolt 401 and the second bolt 501 on the arc-shaped sealing cover plate 3 are disassembled, so that the arc-shaped sealing cover plate 3 can be rotated at the front end of the adsorption cylinder 1 through the rotating shaft 104. Then, the arc-shaped sealing cover plate 3 is opened to expose the semicircular arc-shaped opening 101, and at this time, the carbon molecular sieve 2 can be slid into or out of the adsorption cylinder 1 together with the annular fixing frame 201 at the semicircular arc-shaped opening 101. After the carbon molecular sieve 2 is correctly installed, the arc-shaped sealing cover plate 3 is closed and the annular fixing frame 201 of the carbon molecular sieve 2 is pushed by the arc-shaped top piece 302 on the arc-shaped sealing strip 301, so as to ensure that the carbon molecular sieve 2 is stable and cannot shake in the adsorption cylinder 1. Finally, the first bolt 401 and the second bolt 501 are refixed to tightly connect the arc-shaped sealing cover plate 3 and the adsorption cylinder 1, so as to ensure that the semicircular arc-shaped opening 101 is effectively sealed, thereby completing the installation or replacement process of the carbon molecular sieve 2.

[0031] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A multi-stage separation filter adsorption cartridge comprising an adsorption cartridge (1), characterized in that: The outer wall of the adsorption cylinder (1) is provided with a semicircular opening (101) at the middle of one side and the upper and lower ends, and the inner wall of the adsorption cylinder (1) is fixedly connected with a ring-shaped support (102) at the upper and lower ends of the semicircular opening (101) on the inner side, and the two ring-shaped supports (102) on the inner side of each semicircular opening (101) are provided with a carbon molecular sieve (2), and the outer side of each semicircular opening (101) and the outer wall of the adsorption cylinder (1) are rotatably connected with an arc-shaped sealing cover plate (3), the inner side end face of the arc-shaped sealing cover plate (3) is fixedly connected with an arc-shaped sealing strip (301), and the inner side middle part of the arc-shaped sealing strip (301) is fixedly connected with an arc-shaped top piece (302).

2. A multi-stage separation filter cartridge according to claim 1, wherein: The edge of the carbon molecular sieve (2) is fixedly connected with a ring-shaped fixed frame (201).

3. A multi-stage separation filter cartridge according to claim 1 wherein: The middle part and the upper and lower ends of the front end face of the adsorption cylinder (1) are fixedly connected with a first rotary connecting piece (103), and the front end of the arc-shaped sealing cover plate (3) is fixedly connected with a second rotary connecting piece (303).

4. The multi-stage separation, filtration and adsorption cartridge of claim 1 wherein: The second rotary connecting piece (303) on the three arc-shaped sealing cover plates (3) is rotatably connected with the three first rotary connecting pieces (103) on the front end face of the adsorption cylinder (1) through a rotating shaft (104).

5. The multi-stage separation, filtration and adsorption cartridge of claim 1 wherein: The arc-shaped top piece (302) on the three arc-shaped sealing strips (301) is inserted into the three semicircular openings (101) in the adsorption cylinder (1).

6. A multi-stage separation filter-sorption cartridge according to claim 1, wherein: The middle part of the upper and lower ends of the arc-shaped sealing cover plate (3) is fixedly connected with a first wing plate (4), and the two first wing plates (4) on the arc-shaped sealing cover plate (3) are fixedly connected with the adsorption cylinder (1) through a first bolt (401).

7. A multi-stage separation filter-sorption cartridge according to claim 1, wherein: The rear end of the arc-shaped sealing cover plate (3) is fixedly connected with a second wing plate (5), and the second wing plate (5) on the arc-shaped sealing cover plate (3) is fixedly connected with the adsorption cylinder (1) through a second bolt (501).

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