CN216062664U

CN216062664U - Membrane separation hydrogen extraction equipment

Info

Publication number: CN216062664U
Application number: CN202122575506.3U
Authority: CN
Inventors: 王凯; 吴海燕; 马千鹏; 王桂平
Original assignee: SHANDONG SHOUGUANG LUQING PETROCHEMICAL CO Ltd
Current assignee: SHANDONG SHOUGUANG LUQING PETROCHEMICAL CO Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-03-18
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a membrane separation hydrogen extraction device which comprises a dehumidification box and a membrane separator, wherein a gas pipe is fixedly connected between one side of the bottom of the dehumidification box and the gas inlet end of the membrane separator, a control valve is installed inside the gas pipe, and the top ends of the dehumidification box and the membrane separator are respectively and fixedly connected with a gas inlet pipe and a gas outlet pipe in a penetrating manner. According to the utility model, through the arranged conical semiconductor refrigerating sheet, the annular water receiving tank and the annular water storage tank, water vapor mixed in gas is liquefied at low temperature generated by the conical semiconductor refrigerating sheet, so that the water vapor drips into the annular water receiving tank and flows into the annular water storage tank, moisture is not required to be absorbed through other separating layers, and replacement is not required, so that the use is greatly facilitated.

Description

Membrane separation hydrogen extraction equipment

Technical Field

The utility model relates to the technical field of membrane separation hydrogen extraction, in particular to membrane separation hydrogen extraction equipment.

Background

The membrane separation hydrogen extractor is mainly used for purifying hydrogen, and can be used for blocking and separating moisture in gas by introducing the gas to be purified into a moisture stripper of the membrane separation hydrogen extractor, and then introducing the gas without moisture into a miscellaneous gas separation tank to separate other gases contained in the hydrogen, so that high-purity hydrogen can be obtained;

now relate to a membrane separation and carry hydrogen equipment, a current membrane separation carries hydrogen equipment is absorbed moisture through interior parting layer, if the moisture that contains in the gas is more, and the letting in that lasts for a long time, then make the parting layer absorb moisture to saturation easily, if let in a large amount of gas again fast this moment, then the parting layer appears easily and is pressed moisture and downwards drips, thereby lead to inside the purification gas of deriving downwards still to have the moisture that evaporates after the downward drippage, and the parting layer of current equipment is not convenient for change after the saturation.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a membrane separation hydrogen extraction device.

In order to achieve the purpose, the utility model adopts the following technical scheme: a membrane separation hydrogen extraction device comprises a dehumidification box and a membrane separator, wherein a gas pipe is fixedly connected between one side of the bottom of the dehumidification box and the gas inlet end of the membrane separator, a control valve is installed inside the gas pipe, and the top ends of the dehumidification box and the membrane separator are respectively and fixedly connected with a gas inlet pipe and a gas outlet pipe in a penetrating manner;

the inside of dehumidification case and the position that is close to the top are equipped with the filter screen, the inside of dehumidification case has and is located the position of filter screen below and is equipped with toper semiconductor refrigeration piece, the inner wall of dehumidification case just is located position fixedly connected with annular water receiving tank and annular storage water tank in proper order of toper semiconductor refrigeration piece below, link up fixedly connected with raceway between the bottom of annular water receiving tank and the top of annular storage water tank, the internally mounted of raceway has the solenoid valve, fixedly connected with drain pipe is run through to one side of annular storage water tank, the one end of drain pipe extends to the outside of dehumidification case and installs the drain valve, the inside of dehumidification case and the position that is located the gas-supply pipe top are equipped with the active carbon dehumidification layer.

Furthermore, a first opening is formed in the outer surface of the dehumidification box and the position, close to the filter screen, of the dehumidification box, a first sealing cover is connected to the inside of the first opening in an embedded and sealed mode, and one side of the filter screen is fixedly connected with the outer surface of the first sealing cover.

Further, the controller is installed to surface one side of dehumidification case, level sensor is installed to the inner wall of annular storage water tank, just be electric connection between toper semiconductor refrigeration piece, solenoid valve and the level sensor and the controller.

Furthermore, the surface of dehumidification case and the position that is close to the active carbon dehumidification layer have seted up the second opening, the inside embedding sealing connection of second opening has the sealed lid of second, one side of active carbon dehumidification layer and the fixed surface of the sealed lid of second are connected.

Furthermore, the inner wall of the dehumidification box is fixedly connected with supporting blocks at positions below the filter screen and the activated carbon dehumidification layer.

Further, the inner wall of dehumidification case and the position fixedly connected with support frame that is located toper semiconductor refrigeration piece below, a plurality of backup pads of inner wall fixedly connected with of support frame, just the bottom and the backup pad fixed connection of toper semiconductor refrigeration piece.

Furthermore, a maintenance door is arranged on the outer surface of the dehumidifying box and close to the conical semiconductor refrigerating sheet.

The utility model has the beneficial effects that:

1. when the membrane separation hydrogen extraction equipment is used, water vapor mixed in gas is liquefied at low temperature generated by the conical semiconductor refrigerating sheet through the conical semiconductor refrigerating sheet, the water vapor drips into the annular water receiving tank and flows into the annular water storage tank, water is not required to be absorbed through other separation layers, replacement is not required, and the membrane separation hydrogen extraction equipment is greatly convenient to use.

2. When the membrane separation hydrogen extraction equipment is used, gas can be further dehumidified through the arranged active carbon dehumidification layer, so that the dehumidification effect is greatly improved, and the components in the dehumidification box can be conveniently replaced and maintained through the arranged first opening, the second opening and the maintenance door.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the dehumidifying tank of the present invention;

fig. 3 is a top view of the support frame of the present invention.

Illustration of the drawings:

1. a dehumidification box; 2. a membrane separator; 3. a gas delivery pipe; 4. a control valve; 5. an air inlet pipe; 6. an air outlet pipe; 7. a filter screen; 8. a conical semiconductor refrigeration sheet; 9. an annular water receiving tank; 10. an annular water storage tank; 11. a water delivery pipe; 12. an electromagnetic valve; 13. a drain pipe; 14. a drain valve; 15. an activated carbon dehumidification layer; 16. a first opening; 17. a first sealing cover; 18. a controller; 19. a liquid level sensor; 20. a second opening; 21. a second sealing cover; 22. a support block; 23. a support frame; 24. a support plate; 25. and (7) maintaining the door.

Detailed Description

Referring to fig. 1, the equipment for extracting hydrogen by membrane separation comprises a dehumidifying box 1 and a membrane separator 2, wherein a gas pipe 3 is fixedly connected between one side of the bottom of the dehumidifying box 1 and the gas inlet end of the membrane separator 2, a control valve 4 is installed inside the gas pipe 3, and a gas inlet pipe 5 and a gas outlet pipe 6 are respectively and fixedly connected to the top ends of the dehumidifying box 1 and the membrane separator 2 in a penetrating manner;

referring to fig. 2, a filter screen 7 is arranged in the dehumidification box 1 and at a position close to the top, a conical semiconductor refrigeration sheet 8 is arranged in the dehumidification box 1 and at a position below the filter screen 7, an annular water receiving tank 9 and an annular water storage tank 10 are fixedly connected to the inner wall of the dehumidification box 1 and at a position below the conical semiconductor refrigeration sheet 8 in sequence, a water delivery pipe 11 is fixedly connected between the bottom of the annular water receiving tank 9 and the top end of the annular water storage tank 10 in a penetrating manner, an electromagnetic valve 12 is arranged in the water delivery pipe 11, a water discharge pipe 13 is fixedly connected to one side of the annular water storage tank 10 in a penetrating manner, one end of the water discharge pipe 13 extends to the outside of the dehumidification box 1 and is provided with a water discharge valve 14, and an activated carbon dehumidification layer 15 is arranged in the dehumidification box 1 and at a position above the gas delivery pipe 3;

a first opening 16 is formed in the outer surface of the dehumidification box 1 and in a position close to the filter screen 7, a first sealing cover 17 is embedded and hermetically connected inside the first opening 16, one side of the filter screen 7 is fixedly connected with the outer surface of the first sealing cover 17, and the filter screen 7 inside is convenient to operate through the arranged first opening 16 and the first sealing cover 17;

a controller 18 is installed on one side of the outer surface of the dehumidification box 1, a liquid level sensor 19 is installed on the inner wall of the annular water storage box 10, the conical semiconductor refrigeration piece 8, the electromagnetic valve 12, the liquid level sensor 19 and the controller 18 are electrically connected, the liquid level sensor 19 can sense the liquid level of water in the annular water storage box 10 in time, when a set numerical value is reached, a signal is transmitted to the controller 18, the controller 18 controls the electromagnetic valve 12 to be closed, and then the drain valve 14 is opened, so that the automatic drainage operation is realized;

a second opening 20 is formed in the outer surface of the dehumidification box 1 and in a position close to the activated carbon dehumidification layer 15, a second sealing cover 21 is embedded into the second opening 20 and is connected with the second opening in a sealing mode, one side of the activated carbon dehumidification layer 15 is fixedly connected with the outer surface of the second sealing cover 21, and the activated carbon dehumidification layer 15 is convenient to operate through the second opening 20 and the second sealing cover 21;

the inner wall of the dehumidification box 1 and the positions below the filter screen 7 and the active carbon dehumidification layer 15 are both fixedly connected with supporting blocks 22, and the stability of the filter screen 7 and the active carbon dehumidification layer 15 in the dehumidification box 1 can be improved through the arranged supporting blocks 22;

a maintenance door 25 is arranged on the outer surface of the dehumidification box 1 and close to the conical semiconductor refrigeration piece 8, and the maintenance of the conical semiconductor refrigeration piece 8 inside is facilitated through the arranged maintenance door 25;

referring to fig. 2-3, the inner wall of the dehumidification box 1 is fixedly connected with a support frame 23 below the conical semiconductor refrigeration sheet 8, the inner wall of the support frame 23 is fixedly connected with a plurality of support plates 24, and the bottom of the conical semiconductor refrigeration sheet 8 is fixedly connected with the support plates 24, so that water drops adhered to the conical semiconductor refrigeration sheet 8 fall into the annular water receiving tank 9.

When the membrane separation hydrogen extraction device is used, external gas is conveyed into the dehumidification box 1 through the air inlet pipe 5, larger particle impurities mixed in the gas can be filtered through the filter screen 7, the gas is prevented from being adhered to the conical semiconductor refrigeration sheet 8, the gas is moved onto the conical semiconductor refrigeration sheet 8 after being filtered, water vapor in the gas is liquefied through low temperature generated by the conical semiconductor refrigeration sheet 8, water drops are formed and further adhered to the inclined plane of the conical semiconductor refrigeration sheet 8 and dropped into the annular water receiving groove 9 under the action of gravity, the gas enters the annular water storage tank 10 through the water conveying pipe 11, when the liquid level in the annular water storage tank 10 reaches a value set by the liquid level sensor 19, the liquid level sensor 19 transmits a signal to the controller 18 at the moment, the controller 18 controls the electromagnetic valve 12 to be closed and opens the drain valve 14, and therefore automatic water drainage operation is realized, the gas after dehumidification enters into active carbon dehumidification layer 15 to further absorb moisture through the active carbon, thereby realize the multilayer dehumidification, and then obtain dry gas, and then enter into membrane separator 2 through gas-supply pipe 3 and separate and carry the hydrogen operation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A membrane separation hydrogen extraction device comprises a dehumidification box (1) and a membrane separator (2), and is characterized in that: a gas pipe (3) is fixedly connected between one side of the bottom of the dehumidification box (1) and the gas inlet end of the membrane separator (2), a control valve (4) is installed inside the gas pipe (3), and a gas inlet pipe (5) and a gas outlet pipe (6) are respectively and fixedly connected to the top ends of the dehumidification box (1) and the membrane separator (2) in a penetrating manner;

a filter screen (7) is arranged in the dehumidification box (1) and close to the top, a conical semiconductor refrigerating sheet (8) is arranged in the dehumidification box (1) and below the filter screen (7), an annular water receiving tank (9) and an annular water storage tank (10) are sequentially and fixedly connected with the inner wall of the dehumidification box (1) and the position below the conical semiconductor refrigeration sheet (8), a water delivery pipe (11) is fixedly connected between the bottom of the annular water receiving tank (9) and the top end of the annular water storage tank (10) in a penetrating way, an electromagnetic valve (12) is arranged in the water delivery pipe (11), one side of the annular water storage tank (10) is fixedly connected with a drain pipe (13) in a penetrating way, one end of the drain pipe (13) extends to the outside of the dehumidifying box (1) and is provided with a drain valve (14), an active carbon dehumidification layer (15) is arranged in the dehumidification box (1) and above the gas conveying pipe (3).

2. The membrane separation hydrogen extraction apparatus according to claim 1, characterized in that: first opening (16) have been seted up to the surface of dehumidification case (1) and the position that is close to filter screen (7), the inside embedding sealing connection of first opening (16) has first sealed lid (17), the surface fixed connection of one side and first sealed lid (17) of filter screen (7).

3. The membrane separation hydrogen extraction apparatus according to claim 1, characterized in that: controller (18) are installed to surface one side of dehumidification case (1), level sensor (19) are installed to the inner wall of annular storage water tank (10), just be electric connection between toper semiconductor refrigeration piece (8), solenoid valve (12) and level sensor (19) and controller (18).

4. The membrane separation hydrogen extraction apparatus according to claim 1, characterized in that: the surface of dehumidification case (1) and the position that is close to active carbon dehumidification layer (15) have seted up second opening (20), the inside embedding sealing connection of second opening (20) has the sealed lid of second (21), the fixed surface of one side and the sealed lid of second (21) of active carbon dehumidification layer (15) is connected.

5. The membrane separation hydrogen extraction apparatus according to claim 1, characterized in that: the inner wall of the dehumidification box (1) is fixedly connected with supporting blocks (22) at positions below the filter screen (7) and the activated carbon dehumidification layer (15).

6. The membrane separation hydrogen extraction apparatus according to claim 1, characterized in that: the inner wall of dehumidification case (1) just is located position fixedly connected with support frame (23) of toper semiconductor refrigeration piece (8) below, a plurality of backup pads (24) of inner wall fixedly connected with of support frame (23), just the bottom and backup pad (24) fixed connection of toper semiconductor refrigeration piece (8).

7. The membrane separation hydrogen extraction apparatus according to claim 1, characterized in that: and a maintenance door (25) is arranged on the outer surface of the dehumidification box (1) and close to the conical semiconductor refrigeration sheet (8).