CN213132509U

CN213132509U - Air purification device for pressure swing adsorption nitrogen making device

Info

Publication number: CN213132509U
Application number: CN202021642573.1U
Authority: CN
Inventors: 郦炎海; 李俊; 盛群东
Original assignee: Hangzhou Saihu Air Seperation Plant Co ltd
Current assignee: Hangzhou Saihu Air Seperation Plant Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-05-07
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses an air purification device for a pressure swing adsorption nitrogen making device, which relates to the technical field of nitrogen making and aims at the problem of inconvenient production at present, the following proposal is proposed, which comprises a support frame, an air compressor is fixedly connected on the upper side of the support frame, the output end of the air compressor is fixedly connected with a compression pipe, the other end of the compression pipe is fixedly connected with a cyclone separator, the other end of the cyclone separator is connected with an output pipe, the other end of the output pipe is connected with an air storage tank fixedly connected with the support frame, one side of the air storage tank is connected with an air outlet pipe, the other end of the air outlet pipe is connected with an air dispersing pipe, the outer side of the air dispersing pipe is fixedly connected with a filter box, the utility model has simple structure and convenient use, can ensure multiple filtering effects, is convenient to replace different filtering, the production cost is reduced, meanwhile, the work is convenient to carry out, and the using effect of the device is improved.

Description

Air purification device for pressure swing adsorption nitrogen making device

Technical Field

The utility model relates to a nitrogen making technical field especially relates to a pressure swing adsorption nitrogen making air purification device for device.

Background

The pressure swing adsorption method is a new gas separation technology, has been developed rapidly in foreign countries since the late 60 s and early 70 s, and is based on the principle that a gas mixture is separated by utilizing the difference of adsorption performance of a molecular sieve on different gas molecules, and the pressure swing adsorption method takes air as a raw material and utilizes the selective adsorption performance of a high-efficiency and high-selectivity solid adsorbent on nitrogen and oxygen to separate the nitrogen and the oxygen in the air.

The existing pressure swing adsorption nitrogen making machine needs to filter air before working, but the existing air purification needs to be filtered through 4 to 5 heavy filter devices, so that a filter system is huge, the installation is complex, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air purification device for pressure swing adsorption nitrogen generator has solved the problem of inconvenient production.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an air purification device for a pressure swing adsorption nitrogen making device comprises a support frame, wherein an air compressor is fixedly connected to the upper side of the support frame, an output end of the air compressor is fixedly connected with a compression pipe, the other end of the compression pipe is fixedly connected with a cyclone separator, the other end of the cyclone separator is connected with an output pipe, the other end of the output pipe is connected with an air storage tank fixedly connected with the support frame, one side of the air storage tank is connected with an air outlet pipe, the other end of the air outlet pipe is connected with an air dispersing pipe, the outer side of the air dispersing pipe is fixedly connected with a filter box, the bottom of the filter box is fixedly connected with a cleaning pipe, the other end of the cleaning pipe is connected with a cooling machine, the output end of the cooling machine is fixedly connected with a cold air pipe, the other end of the cold air pipe is connected with an exchange pipe positioned, one side of the guide plate is fixedly connected with a vent plate fixedly connected with the filter box, a waste discharge pipe fixedly connected with the support frame is arranged above the vent plate, a feeding pipe fixedly connected with the filter box is arranged above the waste discharge pipe, and collecting devices are arranged on the lower sides of the cyclone separator, the gas storage tank, the filter box and the cold dryer.

Preferably, the collecting device comprises a collecting plate fixedly connected with the supporting frame, a first discharge pipe is fixedly connected to the lower sides of the cyclone separator and the gas storage tank, a second discharge pipe is fixedly connected to the lower side of the filter box, a third discharge pipe is fixedly connected to the bottom of the cold dryer, and a plurality of discharge pipes are fixedly connected to one side of the collecting plate.

Preferably, the first discharge pipe, the second discharge pipe and the third discharge pipe are all connected with electromagnetic valves, and the discharge pipe is connected with valves.

Preferably, a plurality of through holes are formed in the ventilation plate, and the guide plate is obliquely arranged.

Preferably, one side of the air dispersing pipe is provided with a plurality of air holes, and the air holes are of a circular structure.

Preferably, the feed pipe adopts L shape structure, the bottom fixedly connected with filter plate of rose box.

The utility model has the advantages that:

1: through the setting of a rose box, the direction of inside deflector and ventilative board simultaneously is with ventilative, guarantees multiple filter effect, conveniently changes different filtering material for whole installation and use are comparatively convenient and fast, and the convenient work goes on when reduction in production cost, improve the result of use of device.

2: through the collection of collection device, reduce the influence of waste material to follow-up production in the production process, guarantee the continuous steady operation of production, improve the stability of device, cooperate the work of other devices simultaneously, promote off-the-shelf quality.

Drawings

Fig. 1 is a schematic front sectional view of an air purification device for a pressure swing adsorption nitrogen generation device according to the present invention;

fig. 2 is a left side cross-sectional view of an air purification device for a pressure swing adsorption nitrogen making device according to the present invention;

fig. 3 is a schematic top view of the air purification device for the pressure swing adsorption nitrogen making device provided by the present invention.

Reference numbers in the figures: the device comprises a support frame 1, an air compressor 2, a compression pipe 3, a cyclone separator 4, an air outlet pipe 5, a feed pipe 6, an air diffusion pipe 7, a filter box 8, a guide plate 9, a vent plate 10, a cold air pipe 11, a cold dryer 12, a waste discharge pipe 13, an exchange pipe 14, a clean discharge pipe 15, a third discharge pipe 16, a collection plate 17, a second discharge pipe 18, a discharge pipe 19, a first discharge pipe 20, an output pipe 21, an air storage tank 22 and a purification pipe 23.

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.

Referring to fig. 1-3, an air purification device for a pressure swing adsorption nitrogen making device comprises a support frame 1, an air compressor 2 is fixedly connected to the upper side of the support frame 1, a compression pipe 3 is fixedly connected to the output end of the air compressor 2, a cyclone separator 4 is fixedly connected to the other end of the compression pipe 3, an output pipe 21 is connected to the other end of the cyclone separator 4, an air storage tank 22 fixedly connected to the support frame 1 is connected to the other end of the output pipe 21, an air outlet pipe 5 is connected to one side of the air storage tank 22, an air diffusion pipe 7 is connected to the other end of the air outlet pipe 5, a filter box 8 is fixedly connected to the outer side of the air diffusion pipe 7, a cleaning pipe 15 is fixedly connected to the bottom of the filter box 8, a cooling and drying machine 12 is connected to the other end of the cleaning pipe 15, a cold air pipe 11 is fixedly, the other end of the exchange pipe 14 is connected with a purification pipe 23, a plurality of guide plates 9 are arranged in the filter box 8, one side of each guide plate 9 is fixedly connected with a vent plate 10 fixedly connected with the filter box 8, a waste discharge pipe 13 fixedly connected with the support frame 1 is arranged above the vent plate 10, a feed pipe 6 fixedly connected with the filter box 8 is arranged above the waste discharge pipe 13, the cyclone separator 4, the air storage tank 22, the filter box 8 and the cold dryer 12 are all provided with collecting devices at the lower sides, when the cold dryer works, external air enters the cyclone separator 4 through the air compressor 2 and the compression pipe 3 to be primarily separated from oil gas and dust, and then enters the air storage tank 22 through an output pipe 21 to be stored, so as to ensure subsequent work, the air storage pipe 5 is connected with a flow control valve to ensure the stability of gas flow during work, and part of the gas is precipitated through the air storage tank 22, further discharging partial dust and water stain, the gas passing through the gas storage pipe 5 enters the filter box 8 through the gas diffusion pipe 7, the gas is guided to the gas permeable plate 10 for gas permeation by the limitation of the guide plate 9, and further the flow direction of the gas is guided, different filtering materials such as activated carbon particles and ceramic particles are filled in the space enclosed between the guide plate 9 and the filter box 8, multiple filtration is carried out, the installation of a plurality of devices is reduced, the production process is convenient, after the gas works for a period of time, the internal filtering material is discharged through the waste discharge pipe 13, then the raw material is added again through the feed pipe 6, the lasting and stable operation of the work is ensured, the gas after the filtration is cooled and dried through the cold dryer 12, enters the cold air pipe 11, and then is contacted with the internal filtering material through the exchange pipe 14, the temperature of the filtering material is reduced, and the long-time work is avoided, the internal temperature rises, causing the gas molecules to be over-active, reducing the filtering effect, and finally the clean gas enters the next process through the purifying pipe 23.

The collection device comprises a collection plate 17 fixedly connected with the support frame 1, a first discharge pipe 20 fixedly connected with the lower sides of the cyclone separator 4 and the gas storage tank 22, a second discharge pipe 18 fixedly connected with the lower side of the filter box 8, a third discharge pipe 16 fixedly connected with the bottom of the cold dryer 12, a plurality of discharge pipes 19 fixedly connected with one side of the collection plate 17, impurities collected in the cyclone separator 4 and the gas storage tank 22 enter the collection plate 17 through the first discharge pipe 20, collected water in the cold dryer 12 enters the collection plate 17 through the third discharge pipe 16, residues possibly existing in the filter box 8 are discharged into the collection plate 17, temporary storage is carried out, discharge into the surrounding environment is avoided, and continuous work of the device is influenced.

All be connected with the solenoid valve on first delivery pipe 20, second delivery pipe 18 and the third delivery pipe 16, be connected with the valve on the discharge tube 19, set up a plurality of through-holes on the ventilating plate 10, deflector 9 slope sets up, and one side of gas diffusion pipe 7 is provided with a plurality of bleeder vents, and the bleeder vent adopts circular structure, and inlet pipe 6 adopts L shape structure, the bottom fixedly connected with filter of rose box 8. The through holes on the ventilation plate 10 ensure that gas passes through, and the vent holes ensure that gas is uniformly distributed at a plurality of positions, so that the filtering efficiency is improved.

The working principle is as follows: when the cyclone separator works, external air enters the cyclone separator 4 through the air compressor 2 and the compression pipe 3 to separate primary oil gas and dust, then enters the gas storage tank 22 through the output pipe 21 to be stored, so as to ensure subsequent work, the gas storage pipe 5 is connected with a flow control valve to ensure the stability of gas flow during work, wherein part of gas is precipitated through the gas storage tank 22 to further discharge part of dust and water stain, the gas enters the filter box 8 through the gas diffusion pipe 7 through the gas of the gas storage pipe 5, the guide and the ventilation plate 10 are limited by the guide plate 9 to ventilate, so as to guide the flow direction of the gas, different filtering materials such as activated carbon particles, ceramic particles and the like are filled in a space enclosed between the guide plate 9 and the filter box 8 to filter, so as to reduce the installation of a plurality of devices and facilitate the production process, after working a period, discharge inside filtering material through waste discharge pipe 13, then add the raw materials again through inlet pipe 6, guarantee the lasting steady operation of work, the gaseous cooling through cold dry machine 12 of the process of filtration completion is good dry, enter into cold air duct 11, then through the contact of exchange tube 14 with inside filtering material, make filtering material's temperature reduce, avoid long-time work, inside temperature rises, arouse that gas molecule is too active, reduce the filter effect, clean gas enters into next process through purge tube 23 at last.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The air purification device for the pressure swing adsorption nitrogen making device comprises a support frame (1) and is characterized in that an air compressor (2) is fixedly connected to the upper side of the support frame (1), a compression pipe (3) is fixedly connected to the output end of the air compressor (2), a cyclone separator (4) is fixedly connected to the other end of the compression pipe (3), an output pipe (21) is connected to the other end of the cyclone separator (4), a gas storage tank (22) fixedly connected with the support frame (1) is connected to the other end of the output pipe (21), a gas outlet pipe (5) is connected to one side of the gas storage tank (22), a gas dispersing pipe (7) is connected to the other end of the gas outlet pipe (5), a filter box (8) is fixedly connected to the outer side of the gas dispersing pipe (7), a cleaning pipe (15) is fixedly connected to the bottom of the filter box (8), and a cold dryer (12) is, the air conditioner is characterized in that an output end of the cold air pipe (11) is fixedly connected with the cold air pipe (11), the other end of the cold air pipe (11) is connected with an exchange pipe (14) located in a filter box (8), the other end of the exchange pipe (14) is connected with a purification pipe (23), a plurality of guide plates (9) are arranged in the filter box (8), one side of each guide plate (9) is fixedly connected with a vent plate (10) fixedly connected with the filter box (8), a waste discharge pipe (13) fixedly connected with a support frame (1) is arranged above each vent plate (10), a feeding pipe (6) fixedly connected with the filter box (8) is arranged above each waste discharge pipe (13), and collecting devices are arranged on the lower sides of the cyclone separator (4), the air storage tank (22), the filter box (8) and the cold air dryer (12).

2. The air purification device for the pressure swing adsorption nitrogen production device as claimed in claim 1, wherein the collection device comprises a collection plate (17) fixedly connected with a support frame (1), a first discharge pipe (20) is fixedly connected with the lower sides of the cyclone separator (4) and the air storage tank (22), a second discharge pipe (18) is fixedly connected with the lower side of the filter box (8), a third discharge pipe (16) is fixedly connected with the bottom of the refrigeration dryer (12), and a plurality of discharge pipes (19) are fixedly connected with one side of the collection plate (17).

3. The air purification device for the pressure swing adsorption nitrogen production device as claimed in claim 2, wherein the first discharge pipe (20), the second discharge pipe (18) and the third discharge pipe (16) are all connected with solenoid valves, and the discharge pipe (19) is connected with a valve.

4. The air purification device for the pressure swing adsorption nitrogen production device as claimed in claim 1, wherein the air-permeable plate (10) is provided with a plurality of through holes, and the guide plate (9) is arranged obliquely.

5. The air purification device for the pressure swing adsorption nitrogen generation device as claimed in claim 1, wherein a plurality of air vents are arranged on one side of the air diffusion pipe (7), and the air vents are of a circular structure.

6. The air purification device for the pressure swing adsorption nitrogen production device as claimed in claim 1, wherein the feed pipe (6) is of an L-shaped structure, and a filter plate is fixedly connected to the bottom of the filter box (8).