CN213356963U

CN213356963U - Nitrogen making equipment based on pressure swing adsorption process

Info

Publication number: CN213356963U
Application number: CN202020939205.7U
Authority: CN
Inventors: 刘玉萍
Original assignee: Wuxi Zhongheng Gas Equipment Manufacturing Co ltd
Current assignee: Wuxi Zhongheng Gas Equipment Manufacturing Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-06-04
Anticipated expiration: 2030-05-29

Abstract

The utility model belongs to the technical field of the system nitrogen, especially, be system nitrogen equipment based on pressure swing adsorption technology, the on-line screen storage device comprises a base, the bottom both sides fixedly connected with pulley of base, the top fixedly connected with system nitrogen case of base, the surface mounting of system nitrogen case has the chamber door and the net of ventilating, the inside cavity of having seted up in top of system nitrogen case, it is connected with the suction fan to rotate in the cavity of system nitrogen case, the below of suction fan is equipped with the breathing pipe, fixedly connected with connects a section of thick bamboo on the top outer wall of system nitrogen case outward, increase gas pocket has been seted up on external bobbin top surface, fixedly connected with filter screen on the top inner wall of an outward connection section of thick bamboo. The utility model discloses a set up the active carbon, filter the separation through the dust of filter screen with great granule, the absorptive air of suction fan has driven the rotation of fan, and the rotation through the fan has driven the rotary drum and has rotated, adsorbs the dust of less granule through the inside active carbon of rotary drum to make the air purity of extraction higher.

Description

Nitrogen making equipment based on pressure swing adsorption process

Technical Field

The utility model relates to a nitrogen making technical field specifically is nitrogen making equipment based on pressure swing adsorption technology.

Background

The nitrogen generator is a device which takes air as a raw material and obtains nitrogen by separating oxygen and nitrogen in the air by a physical method. According to the different classification methods, namely a cryogenic air separation method, a molecular sieve air separation method and a membrane air separation method, the nitrogen making machine is nitrogen making equipment designed and manufactured according to a pressure swing adsorption technology. The nitrogen making machine uses high-quality imported carbon molecular sieve as adsorbent, and adopts the pressure swing adsorption principle to separate air at normal temperature to prepare high-purity nitrogen. Usually, two adsorption towers are connected in parallel, an inlet PLC controls an inlet pneumatic valve to automatically operate, and the inlet pneumatic valve alternately performs pressurization adsorption and decompression regeneration to complete nitrogen-oxygen separation and obtain nitrogen with high purity.

There are the following problems:

when the existing nitrogen making equipment prepares the nitrogen by extracting air, the air contains a large amount of dust, and the purity of the prepared nitrogen is low easily.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a nitrogen making equipment based on pressure swing adsorption technology has solved the problem that the purity is low.

In order to achieve the above object, the utility model provides a following technical scheme: nitrogen making equipment based on pressure swing adsorption technology, the on-line screen storage device comprises a base, the bottom both sides fixedly connected with pulley of base, the top fixedly connected with nitrogen making case of base, the surface mounting of nitrogen making case has chamber door and ventilation net, the inside cavity of having seted up in the top of nitrogen making case, it is connected with the suction fan to rotate in the cavity of nitrogen making case, the below of suction fan is equipped with the breathing pipe, fixedly connected with connects a section of thick bamboo outward on the top outer wall of nitrogen making case, connect a top surface and seted up the gas increase hole outward, fixedly connected with filter screen on the top inner wall of an outer section of thick bamboo, it is connected with the bull stick to rotate on the inner wall of an outer section of thick bamboo, the fixed surface of bull stick is connected with the rotary drum, the inside of rotary drum is equipped with.

As an optimized technical scheme of the utility model, the shape of external cylinder is the round platform form, and external cylinder is linked together with the inside cavity of nitrogen making case.

As an optimized technical scheme of the utility model, the quantity of air augmentation hole is a plurality of groups, and a plurality of groups air augmentation hole is cyclic annular equidistance and distributes.

As an optimized technical scheme of the utility model, the shape of filter screen is discoid, and the material of filter screen is made for stainless steel material, the opening bore of filter screen is 0.01 cm.

As an optimized technical scheme of the utility model, the shape of rotary drum is cylindric, and rotary drum and fan are welded mode and are connected.

As an optimized technical solution of the present invention, the skilled four groups of fans are provided, and the four groups of fans are distributed in an annular equidistant manner around the center of the rotary drum.

As an optimized technical scheme of the utility model, the quantity of pulley is four groups, and every two sets of pulleys are the axisymmetric installation with the horizontal center line of base.

Compared with the prior art, the utility model provides a nitrogen making equipment based on pressure swing adsorption technology possesses following beneficial effect:

this system nitrogen equipment based on pressure swing adsorption technology, through setting up the active carbon, when preparing nitrogen gas, through opening the suction fan, extract in to the aspiration tube with the outside air of external cylinder under the effect of suction fan, when the air passes through the filter screen, filter the separation through the dust of filter screen with great granule, the rotation of fan has been driven to the absorptive air of suction fan, the rotation through the fan has driven the rotary drum and has rotated, adsorb the dust of less granule through the inside active carbon of rotary drum, thereby make the air purity of extraction higher.

Drawings

FIG. 1 is an external view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a base; 2. a pulley; 3. a nitrogen making tank; 4. a box door; 5. a ventilation net; 6. a suction fan; 7. an air intake duct; 8. an external connection cylinder; 9. increasing air holes; 10. a filter screen; 11. a rotating rod; 12. a rotating drum; 13. activated carbon; 14. a fan.

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. 1-3, in this embodiment: nitrogen making equipment based on pressure swing adsorption technology, which comprises a base 1, base 1's bottom both sides fixedly connected with pulley 2, base 1's top fixedly connected with nitrogen making case 3, the surface mounting of nitrogen making case 3 has chamber door 4 and ventilation net 5, the inside cavity of having seted up in the top of nitrogen making case 3, it is connected with suction fan 6 to rotate in the cavity of nitrogen making case 3, the below of suction fan 6 is equipped with breathing pipe 7, fixedly connected with connects a section of thick bamboo 8 on the top outer wall of nitrogen making case 3, connect a section of thick bamboo 8 top surface outward and seted up air augmentation hole 9, fixedly connected with filter screen 10 on the top inner wall of external section of thick bamboo 8, it is connected with bull stick 11 to rotate on the inner wall of external section of thick bamboo 8, the fixed surface of bull stick 11 is connected with rotary drum 12, the inside of rotary drum 12 is equipped.

In this embodiment, the external cylinder 8 is in the shape of a circular truncated cone, the external cylinder 8 is communicated with the inner cavity of the nitrogen making tank 3, the number of the air increasing holes 9 is a plurality of groups, the air increasing holes 9 are distributed in an annular equidistant manner, the filter screen 10 is in the shape of a circular disc, the filter screen 10 is made of stainless steel materials, the opening diameter of the filter screen 10 is 0.01cm, the rotary drum 12 is in the shape of a cylinder, the rotary drum 12 is connected with the fan 14 in a welding manner, the fan 14 is skilled in four groups, the four groups of fans 14 are distributed in an annular equidistant manner around the center of the rotary drum 12, the number of the pulleys 2 is four groups, and every two groups of pulleys 2 are axially symmetrically installed with the horizontal center line of the base 1.

The utility model discloses a theory of operation and use flow: the utility model discloses in, at first when preparing nitrogen gas, through opening suction fan 6, extract in breathing pipe 7 with the outside air of an external cylinder 8 under suction fan 6's effect, increase the absorptive area of air through increasing gas pocket 9, when the air passes through filter screen 10, filter the separation through filter screen 10 with the dust of great granule, the air current that suction fan 6 absorptive air produced has driven fan 14's rotation, the rotation through fan 14 has driven rotary drum 12 and has rotated, adsorb the dust of less granule through the inside active carbon 13 of rotary drum 12, absorb the higher nitrogen gas of preparing the higher air of purity to the dust in the air.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Nitrogen making equipment based on pressure swing adsorption technology, including base (1), its characterized in that: pulleys (2) are fixedly connected to two sides of the bottom end of the base (1), a nitrogen making box (3) is fixedly connected to the top end of the base (1), a box door (4) and an air ventilation net (5) are mounted on the surface of the nitrogen making box (3), a cavity is formed in the top end of the nitrogen making box (3), a suction fan (6) is connected in the cavity of the nitrogen making box (3) in a rotating mode, an air suction pipe (7) is arranged below the suction fan (6), an external connecting cylinder (8) is fixedly connected to the outer wall of the top end of the nitrogen making box (3), an air increasing hole (9) is formed in the surface of the top of the external connecting cylinder (8), a filter screen (10) is fixedly connected to the inner wall of the top of the external connecting cylinder (8), a rotating rod (11) is rotatably connected to the inner wall of the external connecting cylinder (8), a rotating cylinder (12) is fixedly connected to the surface of the rotating rod (11), the surface of the rotary drum (12) is fixedly connected with a fan (14).

2. The nitrogen plant based on pressure swing adsorption process of claim 1, wherein: the external connecting cylinder (8) is in a circular truncated cone shape, and the external connecting cylinder (8) is communicated with the inner cavity of the nitrogen making box (3).

3. The nitrogen plant based on pressure swing adsorption process of claim 1, wherein: the number of the air increasing holes (9) is a plurality of groups, and the air increasing holes (9) are distributed in an annular and equidistant mode.

4. The nitrogen plant based on pressure swing adsorption process of claim 1, wherein: the shape of filter screen (10) is discoid, and the material of filter screen (10) is made for stainless steel material, the opening bore of filter screen (10) is 0.01 cm.

5. The nitrogen plant based on pressure swing adsorption process of claim 1, wherein: the shape of the rotary drum (12) is cylindrical, and the rotary drum (12) is connected with the fan (14) in a welding mode.

6. The nitrogen plant based on pressure swing adsorption process of claim 1, wherein: the number of the fans (14) is four, and the four groups of fans (14) are annularly and equidistantly distributed with the circle center of the rotary drum (12).

7. The nitrogen plant based on pressure swing adsorption process of claim 1, wherein: the number of the pulleys (2) is four, and every two groups of the pulleys (2) are axially symmetrically arranged by the horizontal central line of the base (1).