CN216005226U

CN216005226U - Pressure swing adsorption type nitrogen making machine

Info

Publication number: CN216005226U
Application number: CN202122095754.8U
Authority: CN
Inventors: 王国祥; 黄媛玫
Original assignee: HANGZHOU TIANYUE GAS EQUIPMENT MANUFACTURING CO LTD
Current assignee: HANGZHOU TIANYUE GAS EQUIPMENT MANUFACTURING CO LTD
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-03-11
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a pressure swing adsorption type nitrogen making machine, which comprises a pressure swing adsorption device, wherein the pressure swing adsorption device consists of two groups of adsorption tanks which are connected in parallel and a PLC control box which is fixedly connected with the front walls of the two groups of adsorption tanks; the tank door is connected to the rear wall of the adsorption tank in a rotating mode and the locking device is used for closing the tank door. The utility model discloses, through seting up a jar door at the adsorption tank back wall, when needing to be changed adsorption component, open the jar door and can carry out convenient change, keeper subassembly and the tight subassembly in top that sets up at the adsorption tank back, long slider is fixed by the keeper post that runs through, compression screw supports tightly at jar door outer wall, tightly press the jar door to the adsorption tank, closed jar door and sealed, when needing to open the door, loosen the suppression of compression screw to the jar door through the hand wheel, through the restriction of the door keeper post that opens the door to long slider of handle pine, slide long slider down, can open the jar door, it is all very simple to dismantle and install.

Description

Pressure swing adsorption type nitrogen making machine

Technical Field

The utility model relates to a nitrogen making technical field especially relates to a pressure swing adsorption formula nitrogen making machine of adsorption component conveniently changes.

Background

The working principle of the pressure swing adsorption nitrogen making machine is that the nitrogen making machine takes compressed air as raw material and carbon molecular sieve as adsorbent, and oxygen and nitrogen in the air are separated by applying the pressure swing adsorption principle at normal temperature, so as to output nitrogen products.

The purity of pressure swing adsorption nitrogen generator production nitrogen gas mainly sees carbon molecular sieve degree of failure, just needs to change when carbon molecular sieve degree of failure reaches unable production qualified nitrogen gas generally, and present most device all adopts the multistage jar body to pass through flange and bolted connection with the adsorption tanks, and it is very convenient to need fork truck hoist and mount after the dismantlement, and it is big to trade molecular sieve engineering volume, and many places dismantlements back leakproofness can't guarantee again.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pressure swing adsorption type nitrogen making machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a pressure swing adsorption type nitrogen making machine comprises a pressure swing adsorption device, wherein the pressure swing adsorption device consists of two groups of adsorption tanks which are connected in parallel and a PLC control box which is fixedly connected to the front walls of the two groups of adsorption tanks; the tank door is rotatably connected to the rear wall of the adsorption tank, and the locking device is used for closing the tank door and consists of a jacking assembly and a door bolt assembly for fixing the jacking assembly; the adsorption component is fixedly connected with the inner wall of the adsorption tank and used for pressure swing adsorption separation of gas.

As a further description of the above technical solution:

the adsorption assembly comprises a packing pressing plate, a carbon molecule packing layer and a silk screen pore plate, wherein the packing pressing plate, the carbon molecule packing layer and the silk screen pore plate are sequentially and fixedly connected with the inner side wall of the adsorption tank from top to bottom.

As a further description of the above technical solution:

the tight subassembly in top includes fixing base, long slider, hand wheel and compression screw, fixing base and adsorption tank fixed connection, the fixing base is located jar door downside, long slider sliding connection is on the fixing base, compression screw threaded connection extends to both sides after long slider inner wall runs through, compression screw one end offsets with jar door, the one end of jar door is kept away from to hand wheel fixed connection at compression screw, the through-hole that runs through about long slider inner wall just is close to upper surface department and is provided with.

As a further description of the above technical solution:

the keeper subassembly includes multiunit hangers, two sets of keeper posts, handle and blotter, multiunit hangers and adsorption tank fixed connection, multiunit the hangers all is located jar door upside, and two sets of keeper posts are relative form sliding connection at multiunit hanger inner wall, and two sets of handles are fixed connection respectively on two sets of keeper post upper surfaces, and are two sets of the blotter is fixed connection respectively at two sets of relative side terminal surfaces of keeper post, the through-hole sliding connection on the outer wall that the keeper post is located between handle, the blotter and the long slider.

As a further description of the above technical solution:

one side fixedly connected with of jar door towards the adsorption tank is used for the sealed sealing strip of closed back.

As a further description of the above technical solution:

the top and the bottom of the adsorption tank are respectively and fixedly connected with an upper outlet and a lower outlet.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the pressure swing adsorption type nitrogen making machine has the advantages that the tank door is arranged on the rear wall of the adsorption tank, the sealing strip is arranged for sealing, when the adsorption component needs to be replaced, the tank door can be conveniently replaced by opening, and the sealing effect is good after the machine is maintained and installed;

2. compared with the prior art, this pressure swing adsorption formula nitrogen generator, keeper subassembly and the tight subassembly in top that the adsorption tank back set up, during daily use, long slider is fixed by the keeper post that runs through, compression screw supports tightly at jar door outer wall, tightly press the jar door to the adsorption tank, closed jar door and sealed, when needing to open the door, loosen the suppression of compression screw to the jar door through the hand wheel, through the restriction of the handle pine bolt post to long slider, slide long slider down, can open the jar door, it is all very simple to dismantle and install.

Drawings

Fig. 1 is a schematic view of the overall structure of a pressure swing adsorption type nitrogen generator according to the present invention;

FIG. 2 is a schematic structural view of a closed state of an adsorption tank door of a pressure swing adsorption type nitrogen generator according to the present invention;

FIG. 3 is a schematic structural view showing an open state of an adsorption tank door of the pressure swing adsorption type nitrogen generator of the present invention;

fig. 4 is a schematic view of the connection structure of the long slide block, the compression screw and the hand wheel of the pressure swing adsorption type nitrogen making machine of the present invention;

fig. 5 is a schematic structural view of a door bolt column and a cushion pad of the pressure swing adsorption type nitrogen generator of the present invention.

Illustration of the drawings:

1. a screw air compressor; 2. a first buffer tank; 3. a freeze dryer; 4. an oil-water separator; 5. a second buffer tank; 6. an adsorption tank; 7. a PLC control box; 8. an upper outlet; 9. a lower outlet; 10. hanging a lug; 11. a door bolt post; 12. a handle; 13. a cushion pad; 14. a tank door; 15. a long slider; 16. a hand wheel; 17. a fixed seat; 18. a sealing strip; 19. a compression screw; 20. a packing pressure plate; 21. a carbon molecular filler; 22. a wire mesh orifice plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a pair of pressure swing adsorption formula nitrogen generator: the device comprises a screw air compressor 1, a first buffer tank 2, a freeze dryer 3, an oil-water separator 4 and a second buffer tank 5 which are sequentially arranged from left to right; the pressure swing adsorption device is arranged on the right side of the second buffer tank 5, the pressure swing adsorption device is composed of two groups of adsorption tanks 6 which are connected in parallel and a PLC control box 7 which is fixedly connected to the front walls of the two groups of adsorption tanks 6, and the pressure swing adsorption device, the screw air compressor 1, the first buffer tank 2, the freeze dryer 3, the oil-water separator 4 and the second buffer tank 5 are fixedly connected through pipelines; a tank door 14 connected to the rear wall of the adsorption tank 6 in a rotating manner and a locking device for closing the tank door 14, wherein the locking device consists of a jacking assembly and a door bolt assembly for fixing the jacking assembly; the adsorption component is fixedly connected with the inner wall of the adsorption tank 6 and used for pressure swing adsorption and separation of gas, and oxygen and nitrogen in compressed air are separated through the adsorption component under normal temperature and pressure swing.

Specifically, the adsorption component comprises a packing pressure plate 20, a carbon molecule packing layer 21 and a silk screen pore plate 22, wherein the packing pressure plate 20, the carbon molecule packing layer 21 and the silk screen pore plate 22 are sequentially and fixedly connected with the inner walls of the packing pressure plate 20 and the silk screen pore plate 22 on the inner side wall of the adsorption tank 6 from top to bottom, and a plurality of groups of through holes are formed, so that gas can smoothly pass through the through holes.

Specifically, the tightening component comprises a fixed seat 17, a long slide block 15, a hand wheel 16 and a compression screw 19, the fixed seat 17 is fixedly connected with the adsorption tank 6, the fixed seat 17 is positioned at the lower side of the tank door 14, the long slide block 15 is slidably connected with the inner side wall of the fixed seat 17, the compression screw 19 is in threaded connection with the inner wall of the long slide block 15 and extends towards two sides after penetrating through the inner wall, one end part of the compression screw 19 close to the tank door 14 is abutted against the tank door 14, the hand wheel 16 is fixedly connected with the end part of the compression screw 19 far away from the tank door 14, a left-right penetrating through hole is arranged on the inner wall of the long slide block 15 and close to the upper surface, the door bolt component comprises a plurality of groups of hangers 10, two groups of door bolts 11, a handle 12 and a cushion 13, the plurality of groups of hangers 10 are fixedly connected with the adsorption tank 6, the plurality of groups of hangers 10 are positioned at the upper side of the tank door 14, the two groups of door bolts 11 are in relative sliding connection with the inner walls of the plurality of the groups of hangers 10, the handle 12 is respectively and fixedly connected with the upper surfaces of the two groups of door bolts 11, two sets of blotters 13 are the relative side end face of two sets of keeper posts 11 respectively fixed connection, keeper post 11 is located handle 12, outer wall between blotter 13 and the through-hole sliding connection on the long slider 15, keeper post 11 can make a round trip to slide in hangers 10 through handle 12, keeper post 11 specifically is the circular-arc cylinder of a quarter circle, play the effect of restriction long slider 15, run through the restriction removal back when long slider 15 is run through by keeper post 11, rotate compression screw 19 through rotating hand wheel 16, can play the effect that compresses tightly or loosen jar door 14, two sets of blotters 13 can play and avoid two sets of relative keeper posts 11 all to take place the striking when middle slip.

Further, one side fixedly connected with that jar door 14 is towards adsorption tank 6 is used for the sealed sealing strip 18 of closed back, and sealing strip 18 plays jar door 14 closed back and seals the space between the remaining adsorption tank 6 of jar door 14, avoids producing and reveals.

Further, the top and the bottom of the adsorption tank 6 are respectively and fixedly connected with an upper outlet 8 and a lower outlet 9, nitrogen is collected through the upper outlet 8, and oxygen is collected through the lower outlet 9.

The working principle is as follows: compressed air is generated by a screw air compressor 1, the compressed air passes through a first buffer tank 2 for constant pressure and partial moisture is removed, water is discharged for the second time by a freeze dryer 3, further, moisture and oil are removed again by an oil-water separator 4, the compressed air enters a second buffer tank 5 and then enters a pressure swing adsorption device, nitrogen is separated and produced by an adsorption component, a tank door 14 arranged on the rear wall of an adsorption tank 6 can be opened when the adsorption component needs to be replaced, firstly, a hand wheel 16 rotates a compression screw 19 to enable the compression screw 19 to leave the tank door 14, further, a handle 12 slides a door bolt column 11 along a plurality of groups of lugs 10, the door bolt column 11 is withdrawn from a through hole on the inner wall of a long slide block 15, namely, the long slide block 15 can slide down along a fixed seat 17, so that the tank door 14 can be opened for replacement and maintenance, when the tank door 14 is closed, then, the long slide block 15 is lifted to the top, meanwhile, the door bolt column 11 is slid by the handle 12, the outer wall of the door bolt column 11 penetrates through a through hole in the inner wall of the long sliding block 15, the long sliding block 15 is fixed, and further, the hand wheel 16 rotates the compression screw rod 19, and the tank door 14 is compressed through the compression screw rod 19 to avoid leakage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a pressure swing adsorption formula nitrogen generator which characterized in that: the device comprises a pressure swing adsorption device, wherein the pressure swing adsorption device consists of two groups of adsorption tanks (6) which are connected in parallel and a PLC control box (7) which is fixedly connected to the front walls of the two groups of adsorption tanks (6);

a tank door (14) connected to the rear wall of the adsorption tank (6) in a rotating manner and a locking device for closing the tank door (14), wherein the locking device consists of a jacking assembly and a door bolt assembly for fixing the jacking assembly;

the adsorption component is fixedly connected with the inner wall of the adsorption tank (6) and used for pressure swing adsorption separation of gas.

2. The pressure swing adsorption nitrogen generator of claim 1, wherein: the adsorption assembly comprises a packing pressing plate (20), a carbon molecule packing layer (21) and a silk screen pore plate (22), wherein the packing pressing plate (20), the carbon molecule packing layer (21) and the silk screen pore plate (22) are sequentially and fixedly connected to the inner side wall of the adsorption tank (6) from top to bottom.

3. The pressure swing adsorption nitrogen generator of claim 2, wherein: the tight subassembly in top includes fixing base (17), long slider (15), hand wheel (16) and compression screw (19), fixing base (17) and adsorption tank (6) fixed connection, fixing base (17) are located jar door (14) downside, long slider (15) sliding connection is on fixing base (17), compression screw (19) threaded connection is at long slider (15) inner wall and runs through to extend to both sides, compression screw (19) tip offsets with jar door (14), hand wheel (16) fixed connection is in the one end that compression screw (19) kept away from jar door (14), long slider (15) inner wall just is close to upper surface department and is provided with the through-hole that runs through about.

4. The pressure swing adsorption nitrogen generator of claim 3, wherein: the keeper subassembly includes multiunit hangers (10), two sets of keeper post (11), handle (12) and blotter (13), multiunit hangers (10) and adsorption tank (6) fixed connection, multiunit the hangers is located jar door (14) upside, and two sets of keeper posts (11) are relative form sliding connection at multiunit hangers (10) inner wall, and two sets of handle (12) are fixed connection respectively on two sets of keeper post (11) upper surfaces, and are two sets of blotter (13) are fixed connection respectively at a side terminal surface that two sets of keeper posts (11) are relative, keeper post (11) are located outer wall between handle (12), blotter (13) and the through-hole sliding connection on long slider (15).

5. The pressure swing adsorption nitrogen generator of claim 4, wherein: one side of the tank door (14) facing the adsorption tank (6) is fixedly connected with a sealing strip (18) for sealing after closing.

6. The pressure swing adsorption nitrogen generator of claim 5, wherein: the top and the bottom of the adsorption tank (6) are respectively and fixedly connected with an upper outlet (8) and a lower outlet (9).