CN217323381U

CN217323381U - Pressure swing adsorption device for hydrogen purification

Info

Publication number: CN217323381U
Application number: CN202221285875.7U
Authority: CN
Inventors: 礼明; 张东辉; 张殿宇; 袁怡之
Original assignee: Weilin Environmental Protection Technology Dalian Co ltd
Current assignee: Weilin Environmental Protection Technology Dalian Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-08-30
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a pressure swing adsorption device for hydrogen purification, which comprises a pressure swing adsorption box body, the lower side of the pressure swing adsorption box body is provided with a mounting seat, the lower side of the mounting seat is provided with a booster pump, an air pump fixing seat and a refrigeration compressor, an air pump is arranged at the lower side of the air pump fixing seat in a penetrating way, an air inlet pipe is arranged at the upper side of the air pump, the upper end of the air inlet pipe is provided with a flow distribution plate, the upper end of the pressure swing adsorption box body is provided with an exhaust pipe, the exhaust pipe is provided with an exhaust valve, the upper side of the inner cavity of the pressure swing adsorption box body is provided with a limiting plate, the utility model pulls the pull plate, through the sliding action between slide rail and the slide with carbon monoxide adsorption tube and carbon dioxide adsorption tube take out, conveniently change the carbon monoxide adsorption tube and the carbon dioxide adsorption tube of saturation, this device simple structure, convenient operation guarantees to draw the purity of hydrogen and improves work efficiency.

Description

Pressure swing adsorption device for hydrogen purification

Technical Field

The utility model relates to a pressure swing adsorption device technical field, concrete field is a pressure swing adsorption device for hydrogen purification.

Background

Hydrogen has high calorific value, burn advantages such as pollution-free, it is an ideal fuel gas, can solve the energy problem effectively to the development and utilization of hydrogen, because the combustion attribute of hydrogen, can pass the internal-combustion engine of hydrogen direct drive through making some changes to traditional internal-combustion engine, it is more environmental protection and energy saving, hydrogen can also finish the drive to the car through the fuel cell, hydrogen can also be used for smelting metal, making fertilizer, etc., and with the development of fuel cell technology, the domestic fuel cell cogeneration equipment has already begun to use, the method of pressure swing adsorption is generally adopted to purify hydrogen in the present technology, carbon dioxide and carbon monoxide of the mixed gas are adsorbed through carbon dioxide adsorption tube and carbon monoxide adsorption tube, but can't change it when carbon dioxide adsorption tube and carbon monoxide adsorption tube absorb saturation, resulting in low purity of hydrogen and reduced working efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure swing adsorption device for hydrogen purification to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a pressure swing adsorption device for hydrogen purification comprises a pressure swing adsorption box body, wherein a mounting seat is arranged on the lower side of the pressure swing adsorption box body, a booster pump, an air pump fixing seat and a refrigeration compressor are arranged on the lower side of the mounting seat, an air pump penetrates through the lower side of the air pump fixing seat, an air inlet pipe is arranged on the upper side of the air pump, a flow distribution plate is arranged on the upper end of the air inlet pipe, an exhaust pipe is arranged on the upper end of the pressure swing adsorption box body, an exhaust valve is arranged on the exhaust pipe, a limiting plate is arranged on the upper side of an inner cavity of the pressure swing adsorption box body, limiting grooves are arranged on the limiting plate, sliding rails are arranged on the left side and the right side of the inner cavity of the pressure swing adsorption box body, a pulling plate is arranged on the front side wall of the pressure swing adsorption box body, a carbon monoxide adsorption pipe and a carbon dioxide adsorption pipe are arranged on the rear end face of the pulling plate from top to bottom, and a fixing plate is arranged at the rear ends of the carbon monoxide adsorption pipe and the carbon dioxide adsorption pipe, the fixed plate is hinged with a limiting rod, and a sliding plate is arranged between the drawing plate and the adjacent end surface of the fixed plate.

Preferably, a plurality of shunt tubes are arranged at the upper end of the shunt plate, and the end heads of the shunt tubes face outwards by taking the middle point of the shunt plate as a circle center.

Preferably, a handle is arranged on the front end face of the pulling plate.

Preferably, the number of the carbon monoxide adsorption tubes and the number of the carbon dioxide adsorption tubes are both more than 5, and the carbon monoxide adsorption tubes and the carbon dioxide adsorption tubes are transversely arranged on the corresponding sides in a straight line shape.

Preferably, the number of the sliding plates is 2, the sliding plates correspond to the sliding rails one to one, and the thickness of each sliding plate is equal to the width of the sliding groove in each sliding rail.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a pulling pull board, through the sliding action between slide rail and the slide with carbon monoxide adsorption tube and carbon dioxide adsorption tube take out, the convenience is changed carbon monoxide adsorption tube and the carbon dioxide adsorption tube of saturation, this device simple structure, convenient operation guarantees to draw the purity of hydrogen and improves work efficiency.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a front view of the inner structure of the drawer plate;

fig. 3 is a side view of the drawing plate and the structure thereon;

fig. 4 is a top view of the drawing plate and the structure thereon.

In the figure: 1-pressure swing adsorption box body, 2-mounting seat, 3-booster pump, 4-air pump fixing seat, 5-refrigeration compressor, 6-air pump, 7-air inlet pipe, 8-flow distribution plate, 9-air outlet pipe, 10-air outlet valve, 11-limiting plate, 12-limiting groove, 13-sliding rail, 14-drawing plate, 15-carbon monoxide adsorption pipe, 16-carbon dioxide adsorption pipe, 17-fixing plate, 18-limiting rod, 19-sliding plate, 20-flow distribution pipe and 21-handle.

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. 1-4, the present invention provides a technical solution: a pressure swing adsorption device for hydrogen purification comprises a pressure swing adsorption box body 1, a mounting seat 2 is arranged on the lower side of the pressure swing adsorption box body 1, the mounting seat 2 is fixedly connected with the pressure swing adsorption box body 1 in a sealing manner, a booster pump 3, an air pump fixing seat 4 and a refrigeration compressor 5 are arranged on the lower side of the mounting seat 2, the booster pump 3 and the refrigeration compressor 5 are respectively arranged on the left side and the right side of the air pump fixing seat 4, an air pump 6 penetrates through the lower side of the air pump fixing seat 4, the working principle of the air pump 6 is the same as that of a micro vacuum pump and is circular motion of a motor, a diaphragm inside the pump is made to reciprocate through a mechanical device, so that air in a pump cavity with fixed volume is compressed and stretched to form vacuum, pressure difference is generated between the air pump air inlet and the external atmospheric pressure, the air is pressed into the pump cavity under the action of the pressure difference and then discharged from an exhaust port, an air inlet pipe 7 is arranged on the upper side of the air pump 6, the air inlet pipe 7 is connected with an air outlet of the air pump 6, a flow distribution plate 8 is arranged at the upper end of the air inlet pipe 7, the longitudinal central axis of the flow distribution plate 8 and the longitudinal central axis of the pressure swing adsorption box body 1 are positioned in the same vertical line, an air outlet pipe 9 is arranged at the upper end of the pressure swing adsorption box body 1, an air outlet valve 10 is arranged on the air outlet pipe 9, whether the air outlet pipe circulates or not is controlled through the air outlet valve 10, a limiting plate 11 is arranged on the upper side of the inner cavity of the pressure swing adsorption box body 1, a limiting groove 12 is arranged on the limiting plate 11, slide rails 13 are arranged on the left side and the right side of the inner cavity of the pressure swing adsorption box body 1, a pull plate 14 is arranged on the front side wall of the pressure swing adsorption box body 1, a carbon monoxide adsorption pipe 15 and a carbon dioxide adsorption pipe 16 are arranged on the rear end face of the pull plate 14 from top to bottom, a fixing plate 17 is also arranged on the rear end of the carbon monoxide adsorption pipe 15 and the carbon dioxide adsorption pipe 16, and a limiting rod 18 is hinged on the fixing plate 17, sliding plates 19 are arranged between the adjacent end surfaces of the drawing plate 14 and the fixed plate 17, the number of the sliding plates 19 is 2, and the sliding plates correspond to the sliding rails 13 one by one.

Specifically, a plurality of shunt tubes 20 are arranged at the upper end of the shunt plate 8, and the end heads of the shunt tubes 20 face outward with the midpoint of the shunt plate 8 as the center of a circle.

Specifically, a pull tab 21 is provided on the front end surface of the drawer plate 14.

Specifically, the carbon monoxide adsorption tubes 15 and the carbon dioxide adsorption tubes 16 are each greater than 5 in number and are each arranged in a line transversely on the corresponding side thereof.

Specifically, the number of the sliding plates 19 is 2, and the sliding plates 19 correspond to the sliding rails 13 one by one, and the thickness of the sliding plates 19 is equal to the width of the sliding grooves on the sliding rails 13.

The working principle is as follows: when the utility model works, the mixed gas containing hydrogen in the preorder flow can be pumped into the pressure swing adsorption box body 1 through the air pump 6, then the mixed gas is violently vibrated in the pressure swing adsorption box body 1 under the action of the air inlet pipe 7, the flow distribution plate 8 and the flow distribution pipe 20, so that the mixed gas can be fully contacted with the carbon dioxide adsorption 16 pipe and the carbon monoxide adsorption pipe 15, the carbon dioxide adsorption 16 pipe and the carbon monoxide adsorption pipe 15 have adsorption effect on the carbon dioxide and the carbon monoxide of the mixed gas, through pulling pull board 14, take carbon monoxide adsorption tube 15 and carbon dioxide adsorption 16 pipe out through the sliding action between slide rail 13 and the slide 19, conveniently change saturated carbon monoxide adsorption tube 15 and carbon dioxide adsorption 16 pipe, this device simple structure, convenient operation guarantees to draw the purity of hydrogen and improves work efficiency.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pressure swing adsorption device for hydrogen purification, characterized in that: comprises a pressure swing adsorption box body (1), wherein a mounting seat (2) is arranged at the lower side of the pressure swing adsorption box body (1), a booster pump (3), an air suction pump fixing seat (4) and a refrigeration compressor (5) are arranged at the lower side of the mounting seat (2), an air suction pump (6) is arranged at the lower side of the air suction pump fixing seat (4) in a penetrating manner, an air inlet pipe (7) is arranged at the upper side of the air suction pump (6), a splitter plate (8) is arranged at the upper end of the air inlet pipe (7), an exhaust pipe (9) is arranged at the upper end of the pressure swing adsorption box body (1), an exhaust valve (10) is arranged on the exhaust pipe (9), a limiting plate (11) is arranged at the upper side of the inner cavity of the pressure swing adsorption box body (1), a limiting groove (12) is arranged on the limiting plate (11), slide rails (13) are arranged at the left side and the right side of the inner cavity of the pressure swing adsorption box body (1), a drawing plate (14) is arranged on the front side wall of the pressure swing adsorption box body (1), the rear end face of pull board (14) is equipped with carbon monoxide adsorption tube (15) and carbon dioxide adsorption tube (16) from top to bottom, carbon monoxide adsorption tube (15) with the rear end of carbon dioxide adsorption tube (16) is with being equipped with a fixed plate (17), it has gag lever post (18) to articulate on fixed plate (17), pull board (14) with be equipped with slide (19) between the adjacent terminal surface of fixed plate (17).

2. A pressure swing adsorption apparatus for hydrogen purification according to claim 1, wherein: the upper end of flow distribution plate (8) is equipped with a plurality of shunt tubes (20), and is a plurality of the end orientation of shunt tubes (20) all uses the mid point of flow distribution plate (8) is the centre of a circle outwards.

3. A pressure swing adsorption apparatus for hydrogen purification according to claim 1, wherein: the front end surface of the pull plate (14) is provided with a handle (21).

4. A pressure swing adsorption apparatus for hydrogen purification according to claim 1, wherein: the number of the carbon monoxide adsorption tubes (15) and the number of the carbon dioxide adsorption tubes (16) are both larger than 5, and the carbon monoxide adsorption tubes and the carbon dioxide adsorption tubes are transversely arranged on the corresponding sides in a straight line shape.

5. A pressure swing adsorption apparatus for hydrogen purification according to claim 1, wherein: the number of the sliding plates (19) is 2, the sliding plates correspond to the sliding rails (13) one by one, and the thickness of the sliding plates (19) is equal to the width of the sliding grooves in the sliding rails (13).