CN212440631U

CN212440631U - Adsorption and filtration device for hydrogen purification

Info

Publication number: CN212440631U
Application number: CN202021058099.8U
Authority: CN
Inventors: 王进辉; 文娟; 魏军锋
Original assignee: Shaanxi Xuqiang Rui Clean Energy Co ltd
Current assignee: Shaanxi Xuqiang Rui Clean Energy Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-02-02
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a hydrogen purification is with adsorption and filtration device, including the tower body, the top of the bottom of tower body is fixed interlude respectively and is connected with intake pipe and outlet duct, the fixed baffle that is equipped with in top of tower body inner wall, two semi-cylindrical frameworks of both sides difference fixedly connected with of baffle, the top and the bottom of two semi-cylindrical frameworks all inlay and be equipped with first filter screen, the inside of two semi-cylindrical frameworks is separated for a plurality of inner chamber through a plurality of second filter screen, the inside of a plurality of inner chamber is filled respectively has a plurality of adsorbent, the top and the bottom of baffle are equipped with two conversion subassemblies respectively, the bottom of tower body inner wall is equipped with the reposition of redundant personnel subassembly, the beneficial effects of the: can constitute two absorption passageways through baffle and two semicylinder frameworks, can switch over each other between two absorption passageways through conversion assembly, can switch over to another absorption passageway and adsorb the filtration after using one of them absorption passageway for a long time, ensure continuous production.

Description

Adsorption and filtration device for hydrogen purification

Technical Field

The utility model relates to an adsorption and filtration device, in particular to adsorption and filtration device for hydrogen purification belongs to hydrogen processing technology field.

Background

At normal temperature and pressure, hydrogen is a gas which is extremely easy to burn, colorless, transparent, odorless and tasteless and is difficult to dissolve in water. Hydrogen is the least dense gas known in the world, and its density is only 1/14 for air, i.e., hydrogen is at 1 atm and 0 deg.C, and its density is 0.089 g/L. Industry typically produces hydrogen from natural gas or water gas without the use of energy intensive methods of water electrolysis. The prepared hydrogen is largely used for cracking reaction in petrochemical industry and producing ammonia.

At present, hydrogen needs to be adsorbed and filtered when being prepared, a traditional method generally adopts a pressure swing adsorption method, namely, the separation of mixed gas is realized by utilizing the difference of adsorption performances of different gases on different adsorbents and the characteristic that the adsorption performance of the same gas on the adsorbents changes along with the change of pressure, but the existing adsorption and filtration device for hydrogen purification cannot realize continuous adsorption, and the cyclic utilization can be realized only by stopping desorption after long-time use, so that the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrogen purification is with adsorption and filtration device to solve some hydrogen purification that provide among the above-mentioned background art and can't do the problem of adsorbing in succession and needing to shut down the desorption with adsorption and filtration device.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydrogen purification is with adsorbing filter equipment, includes the tower body, the top of the bottom of tower body is fixed interlude respectively and is connected with intake pipe and outlet duct, the fixed baffle that is equipped with in top of tower body inner wall, two are two semi-cylindrical framework of both sides difference fixedly connected with of baffle the top and the bottom of semi-cylindrical framework all inlay and are equipped with first filter screen, two the inside of semi-cylindrical framework separates for a plurality of inner chamber, a plurality of through a plurality of second filter screen the inside of inner chamber is filled respectively has a plurality of adsorbent, the top and the bottom of baffle are equipped with two conversion subassemblies respectively, the bottom of tower body inner wall is equipped with the reposition of redundant personnel subassembly.

As a preferred technical scheme of the utility model, every the conversion subassembly all includes sleeve, pivot, sunshade and motor, two the sleeve is fixed respectively and is set up the top and the bottom at the baffle, two the pivot is rotated respectively and is installed in two telescopic insides, two the sunshade through two connecting plates respectively with the middle part fixed connection of two pivots, two the equal fixed mounting of motor is at the avris of tower body, two the output shaft of motor respectively with the one end fixed connection of two pivots.

As a preferred technical scheme of the utility model, two telescopic middle part has seted up two openings respectively, two the both sides of sunshade are all fixed and are equipped with sealed the pad.

As a preferred technical scheme of the utility model, the reposition of redundant personnel subassembly includes U type shunt tubes and gas distribution board, U type shunt tubes and gas distribution board are all fixed to be set up in the bottom of tower body inner wall, just the top of U type shunt tubes is arranged in to the gas distribution board, the middle part of U type shunt tubes and the top fixed connection of intake pipe, there are two solenoid valves at the both ends of U type shunt tubes fixed mounting respectively, the fixed riser that is equipped with in middle part of gas distribution board bottom, the both sides of riser are arranged respectively in at the both ends of U type shunt tubes.

As a preferred technical scheme of the utility model, the bottom of tower body both sides is fixed mounting respectively has two vacuum pumps, two the entrance point of vacuum pump communicates with the bottom of two semicylinder framework one sides respectively through the connecting pipe.

As a preferred technical scheme of the utility model, the fixed flush mounting plate that is equipped with in bottom of tower body avris, motor control switch, two solenoid valve control switches and two vacuum pump control switches, two are installed respectively to flush mounting plate's surface motor control switch, two solenoid valves and two vacuum pump motor control switches, two solenoid valve control switches and two vacuum pump control switches and external power supply electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an adsorption and filtration device for hydrogen purification can constitute two adsorption channels through baffle and two semi-cylindrical frame bodies, can switch over each other between two adsorption channels through the conversion subassembly, can switch over to another adsorption channel to adsorb and filter after using one of them adsorption channel for a long time, ensures continuous production, can carry out vacuum desorption to the adsorption channel after sealing through the vacuum pump simultaneously, realizes the purpose of cyclic utilization, need not to shut down desorption or change, has greatly improved production efficiency; the rotating shaft is driven to rotate by the motor, so that the shielding plate can be driven to turn left and right and is respectively contacted with the two semi-cylindrical frame bodies, the effect of conversion sealing is achieved, the switching of the two semi-cylindrical frame bodies is realized, the structure is simple, and the adjustment is convenient; can adjust according to the conversion subassembly through the reposition of redundant personnel subassembly and admit air, and can make and admit air more even, improve the adsorption and filtration effect.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic structural diagram of the conversion module of the present invention.

In the figure: 1. a tower body; 2. an air inlet pipe; 3. an air outlet pipe; 4. a baffle plate; 5. a semi-cylindrical frame body; 6. a first filter screen; 7. a second filter screen; 8. an inner cavity; 9. an adsorbent; 10. a conversion component; 101. a sleeve; 102. a rotating shaft; 103. a shutter; 104. a connecting plate; 105. an opening; 106. a motor; 107. a gasket; 11. a flow diversion assembly; 111. a U-shaped shunt tube; 112. an electromagnetic valve; 113. a gas distribution plate; 114. a vertical plate; 12. a vacuum pump; 13. a connecting pipe; 14. a switch panel.

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, the present invention provides an adsorption filtration device for hydrogen purification, comprising a tower body 1, wherein the top end of the bottom end of the tower body 1 is fixedly inserted and connected with an inlet pipe 2 and an outlet pipe 3, respectively, the top of the inner wall of the tower body 1 is fixedly provided with a baffle 4, two sides of the baffle 4 are fixedly connected with two semi-cylindrical frames 5, respectively, the top end and the bottom end of the two semi-cylindrical frames 5 are embedded with a first filter screen 6, the interior of the two semi-cylindrical frames 5 is divided into a plurality of inner chambers 8 by a plurality of second filter screens 7, the interior of the plurality of inner chambers 8 is respectively filled with a plurality of adsorbents 9, the top end and the bottom end of the baffle 4 are respectively provided with two conversion assemblies 10, two adsorption channels can be formed by the baffle 4 and the two semi-cylindrical frames 5, the conversion assemblies 10 can be switched between the two adsorption channels, one adsorption channel can be switched to, the bottom of the inner wall of the tower body 1 is provided with a shunt assembly 11 to ensure continuous production.

Preferably, each conversion assembly 10 comprises sleeves 101, rotating shafts 102, shutters 103 and motors 106, the two sleeves 101 are respectively and fixedly arranged at the top end and the bottom end of the baffle 4, the two rotating shafts 102 are respectively and rotatably arranged inside the two sleeves 101, the two shutters 103 are respectively and fixedly connected with the middle parts of the two rotating shafts 102 through two connecting plates 104, the two motors 106 are respectively and fixedly arranged at the side sides of the tower body 1, the output shafts of the two motors 106 are respectively and fixedly connected with one ends of the two rotating shafts 102, the rotating shafts 102 are driven to rotate through the motors 106, then the shutters 103 can be driven to turn left and right and are respectively contacted with the two semi-cylindrical frame bodies 5, the conversion sealing effect is achieved, then the switching of the two semi-cylindrical frame bodies 5 is achieved, the continuous adsorption purpose is achieved without stopping and desorption, the two openings 105 are respectively arranged at the middle parts of the two sleeves 101, the sealing performance of the contact surface between the shielding plate 103 and the semi-cylindrical frame 5 can be improved by the sealing gasket 107, the shunting assembly 11 comprises a U-shaped shunting pipe 111 and a gas distribution plate 113, the U-shaped shunting pipe 111 and the gas distribution plate 113 are both fixedly arranged at the bottom of the inner wall of the tower body 1, the gas distribution plate 113 is arranged at the top of the U-shaped shunting pipe 111, the middle part of the U-shaped shunting pipe 111 is fixedly connected with the top end of the gas inlet pipe 2, two ends of the U-shaped shunting pipe 111 are respectively and fixedly provided with two electromagnetic valves 112, the middle part of the bottom end of the gas distribution plate 113 is fixedly provided with a vertical plate 114, two ends of the U-shaped shunting pipe 111 are respectively arranged at two sides of the vertical plate 114, the shunting assembly 11 can adjust gas inlet according to the conversion assembly 10, the gas inlet can be more uniform, the adsorption filtration effect is improved, two vacuum pumps 12 are respectively and fixedly arranged, can carry out the desorption to adsorbent 9 after the conversion through vacuum pump 12, realize cyclic utilization, and need not to shut down the desorption, the fixed flush mounting plate 14 that is equipped with in bottom of tower body 1 avris, motor control switch, two solenoid valve control switches and two vacuum pump control switches are installed respectively to flush mounting plate 14's surface, two motors 106, two solenoid valves 112 and two vacuum pump 12 motor control switches, two solenoid valve control switches and two vacuum pump control switches and external power supply electric connection, be convenient for control whole device through flush mounting plate 14, and the operation is simple and convenient.

When the adsorption filtering device is used, the utility model relates to an adsorption filtering device for hydrogen purification, firstly, raw gas is introduced into the tower body 1 through the gas inlet pipe 2, meanwhile, one of the electromagnetic valves 112 is opened through the switch panel 14, namely, the gas is introduced through one end of the U-shaped shunt pipe 111, then the raw gas is uniformly distributed through the gas distribution plate 113, then, the adsorption filtering is carried out through a plurality of adsorbents 9 (silica gel, active carbon and the like) in one of the semi-cylindrical frame bodies 5, finally, the tower body 1 is discharged through the gas outlet pipe 3, the adsorption filtering is completed, two adsorption channels can be formed through the baffle 4 and the two semi-cylindrical frame bodies 5, the two adsorption channels can be mutually switched through the conversion component 10, after one of the adsorption channels is used for a long time, the adsorption filtering can be switched to the other adsorption channel for adsorption filtering, the continuous production is ensured, namely, then can drive sunshade 103 and control the upset, contact with two semi-cylindrical framework 5 respectively, reach the sealed effect of conversion, realize the switching of two semi-cylindrical framework 5 then, need not to shut down desorption, reach continuous adsorbed purpose, after the conversion finishes, can open corresponding vacuum pump 12 through flush mounting plate of switch 14, can carry out vacuum desorption to the adsorption channel after the sealing through vacuum pump 12, realize cyclic utilization's purpose, need not to shut down desorption or change, improved production efficiency greatly.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. An adsorption filtering device for hydrogen purification, which comprises a tower body (1) and is characterized in that, the top end of the bottom end of the tower body (1) is fixedly inserted and connected with an air inlet pipe (2) and an air outlet pipe (3) respectively, the top of the inner wall of the tower body (1) is fixedly provided with a baffle (4), two sides of the baffle (4) are respectively and fixedly connected with two semi-cylindrical frame bodies (5), the top ends and the bottom ends of the two semi-cylindrical frame bodies (5) are respectively embedded with a first filter screen (6), the interior of the two semi-cylindrical frame bodies (5) is divided into a plurality of inner cavities (8) through a plurality of second filter screens (7), the interior of the inner cavities (8) is respectively filled with a plurality of adsorbents (9), the top and the bottom of baffle (4) are equipped with two conversion components (10) respectively, the bottom of tower body (1) inner wall is equipped with reposition of redundant personnel subassembly (11).

2. The adsorption filtration device for hydrogen purification according to claim 1, wherein: every conversion subassembly (10) all includes sleeve (101), pivot (102), sunshade (103) and motor (106), two sleeve (101) are fixed respectively and are set up the top and the bottom at baffle (4), two pivot (102) rotate respectively and install the inside at two sleeve (101), two sunshade (103) respectively with the middle part fixed connection of two pivot (102), two through two connecting plates (104) the equal fixed mounting in avris of tower body (1), two of motor (106) the output shaft of motor (106) respectively with the one end fixed connection of two pivot (102).

3. The adsorption filtration device for hydrogen purification according to claim 2, wherein: two openings (105) have been seted up respectively in the middle part of two sleeve (101), two the both sides of sunshade board (103) are all fixed and are equipped with sealed pad (107).

4. The adsorption filtration device for hydrogen purification according to claim 2, wherein: shunt subassembly (11) are including U type shunt tubes (111) and gas distribution plate (113), U type shunt tubes (111) and gas distribution plate (113) are all fixed and are set up in the bottom of tower body (1) inner wall, just the top of U type shunt tubes (111) is arranged in gas distribution plate (113), the middle part of U type shunt tubes (111) and the top fixed connection of intake pipe (2), the both ends of U type shunt tubes (111) fixed mounting respectively have two solenoid valves (112), the middle part of gas distribution plate (113) bottom is fixed and is equipped with riser (114), the both sides of riser (114) are arranged respectively in at the both ends of U type shunt tubes (111).

5. The adsorption filtration device for hydrogen purification according to claim 4, wherein: the bottom of tower body (1) both sides is fixed mounting respectively has two vacuum pumps (12), two the entrance point of vacuum pump (12) communicates with the bottom of two semicylinder framework (5) one sides respectively through connecting pipe (13).

6. The adsorption filtration device for hydrogen purification according to claim 5, wherein: the fixed flush mounting plate of being equipped with in bottom of tower body (1) avris (14), motor control switch, two solenoid valve control switches and two vacuum pump control switches, two are installed respectively to the surface of flush mounting plate of switch (14) motor control switch, two solenoid valve (112) and two vacuum pump (12) motor control switch, two solenoid valve control switches and two vacuum pump control switches and external power supply electric connection.