Water vapor drying equipment for hydrogen preparation

Abstract

The utility model discloses water vapor drying equipment for hydrogen preparation, and particularly relates to the technical field of hydrogen drying, which comprises a drying box, mixed hydrogen is discharged into a drying cylinder I, then the mixed hydrogen is extruded, moisture in the mixed hydrogen is adsorbed on a drying block, and the drying cylinder I is used for drying hydrogen; a first round hole in a hollow-out plate and a second round hole in a rotating plate are staggered to block the first round hole in the hollow-out plate, hot air is prevented from entering a first drying cylinder through a drying block to pollute gas in the first drying cylinder, a sealing door is opened, the hot air is sprayed to the drying block to heat the drying block to evaporate water, meanwhile, a motor drives the drying block to rotate, and the drying effect is improved. The two drying mechanisms are arranged, so that other surfaces of the drying block can be in contact with hot air, the evaporation efficiency is improved, dried hydrogen is prevented from being mixed with water again, the hydrogen purification effect is improved, continuously mixed hydrogen can enter the second drying cylinder through the first drying cylinder, the mixed hydrogen is alternately and continuously dried and purified through the two drying mechanisms, and the drying efficiency is improved. Therefore, the purity of hydrogen is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen drying, in particular to water vapor drying equipment for hydrogen preparation. Background Art

[0002] Hydrogen drying equipment is the latest generation of adsorption dryer. It is particularly suitable for occasions with particularly strict requirements on regeneration gas consumption, especially when the gas to be dried is flammable, explosive, toxic or particularly expensive. It is the best choice for users.

[0003] A Chinese patent with announcement number CN217732686U discloses a highly efficient pressure swing adsorption hydrogen purification device, which removes corresponding impurities through three stages of pressurization and two stages of cooling, removes grease through an oil removal tower, and removes water, nitrogen and oxygen through a deoxygenation tower and drying equipment.

[0004] In actual use of the hydrogen purification device in the above scheme, the temperature of the steam in the drying equipment is relatively high, and it is inconvenient to discharge the dried and filtered water during the drying process, resulting in accumulation on the inner wall of the equipment. As a result, a small amount of water will still be mixed with the hydrogen when evaporating, reducing the effect of hydrogen purification.

[0005] Therefore, it is necessary to invent a water vapor drying device for hydrogen preparation. Utility Model Content

[0006] The purpose of the utility model is to provide a water vapor drying device for preparing hydrogen to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water vapor drying device for hydrogen preparation, comprising a drying box, wherein a drying cylinder 1 and a drying cylinder 2 are fixedly arranged in the inner cavity of the drying box, a connecting pipe is provided on one side of the drying cylinder 1, and the other end of the connecting pipe is connected to the drying cylinder 2, an air inlet pipe and an exhaust pipe are provided on the sides of the drying cylinder 1 and the drying cylinder 2 which are away from each other, respectively, through grooves are provided on the sides of the drying cylinder 1 and the drying cylinder 2 which are away from each other, two drying mechanisms are arranged in the drying box, and the drying mechanisms comprise an electric push rod, which is fixedly mounted on the bottom of the inner cavity of the drying box, a sealing door is fixedly provided on the telescopic end of the electric push rod, and the top of the telescopic end of the electric push rod is fixed An L-shaped block is provided, one end of which is fixedly provided with a rack 1, a long shaft is rotatably provided between the two inner walls of the drying box, a gear 1 and a gear 2 are fixedly provided on the outer side of the long shaft, the rack 1 is meshingly connected with the gear 1, a rack 2 is slidably provided on the inner wall of the drying box 1, the gear 2 is meshingly connected with the rack 2, a symmetrically distributed hot air blower is fixedly provided on the top of the drying box, a short tube is provided at the bottom of the hot air blower, a connecting hose is provided at the bottom of the short tube, the connecting hose passes through the drying box and a hollow plate is provided at its end, the rack 2 is connected to the hollow plate, a plurality of circular grooves are provided on the side of the hollow plate close to the drying box, and a hollow plate, a rotating plate and a drying block are provided in the drying cylinder 1 and the drying cylinder 2 for lifting and lowering.

[0008] Preferably, a cylinder is fixedly provided on the top of each of the drying cylinders 1 and 2, the telescopic end of the cylinder is fixedly connected to the hollow plate, a motor is fixedly provided on the bottom of the hollow plate, the output shaft of the motor is fixedly connected to the rotating plate, and the rotating plate is rotatably connected to the drying block.

[0009] Preferably, symmetrically distributed motors are fixedly provided at the bottom of the inner cavity of the drying box, and the output shafts of the motors pass through the drying cylinder.

[0010] Preferably, a symmetrically distributed L-shaped plate is fixedly provided on the top of the drying box, and the L-shaped plate is fixedly connected to the hot air blower.

[0011] Preferably, a fixing block is fixedly provided at the bottom of the electric push rod, and the fixing block is fixedly connected to the bottom of the inner cavity of the drying box.

[0012] Preferably, a connecting rod is fixedly provided on one side of the second rack, a sliding groove is provided on the inner wall of one side of the drying box, and the connecting rod is slidably installed in the sliding groove.

[0013] Preferably, a slide block 1 is fixedly provided on the rack 1 near the inner wall on the other side of the drying box, a slide groove 2 is provided on the inner wall on the other side of the drying box, and the slide block 1 is slidably installed in the slide groove 2.

[0014] Preferably, a rubber ring is fixedly provided on the outer side of the hollow plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. Discharge the mixed hydrogen from the air inlet pipe into the drying cylinder 1, start the cylinder to drive the hollow plate and the drying block to move downward, so that the drying block squeezes the mixed hydrogen, so that the moisture in the mixed hydrogen is adsorbed on the drying block, and the circular hole 1 on the hollow plate and the circular hole 2 on the rotating plate are staggered to block the circular hole 1 on the hollow plate, so as to prevent the hot air from entering the interior of the drying cylinder 1 through the drying block and polluting the gas in the drying cylinder 1. Open the sealing door, so that the hollow plate is in front of the through slot, and the hot air is sprayed onto the drying block to heat the drying block to evaporate the moisture. At the same time, the motor drives the drying block to rotate, so that the other surfaces of the drying block can contact with the hot air, which improves the evaporation efficiency, thereby preventing the hydrogen after drying from mixing with moisture again and improving the effect of hydrogen purification;

[0017] 2. The continuously mixed hydrogen can enter the drying cylinder 2 through the drying cylinder 1, and the mixed hydrogen is alternately dried and purified by the two drying mechanisms to prevent the dried hydrogen from being mixed with water again, thereby improving the purity of the hydrogen. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The overall structural diagram provided by the utility model;

[0019] Figure 2 A schematic diagram of the through slot structure provided by the utility model;

[0020] Figure 3 A structural schematic diagram of a drying cylinder provided by the utility model;

[0021] Figure 4 A schematic diagram of the hollow plate structure provided by the utility model;

[0022] Figure 5 This is a schematic diagram of the motor structure provided by the utility model.

[0023] In the figure: 1, drying box; 11, drying cylinder 1; 111, air inlet pipe; 112, connecting pipe; 115, through groove; 12, drying cylinder 2; 121, exhaust pipe; 13, L-shaped plate; 131, hot air blower; 1311, short pipe; 132, connecting hose; 133, hollow plate; 134, round groove; 18, motor; 21, cylinder; 22, hollow plate; 221, rotating plate; 222, motor; 23, drying block; 24, electric push rod; 241, fixed block; 25, sealing door; 26, L-shaped block; 27, rack 1; 28, long shaft; 29, gear 1; 291, gear 2; 292, rack 2; 294, connecting rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example: Figure 1-Figure 5 As shown, the utility model provides a water vapor drying device for hydrogen preparation, including a drying box 1, the inner cavity of the drying box 1 is fixedly provided with a drying cylinder 11 and a drying cylinder 12, one side of the drying cylinder 11 is communicated with a connecting pipe 112, the other end of the connecting pipe 112 is communicated with the drying cylinder 12, the sides of the drying cylinder 11 and the drying cylinder 12 away from each other are respectively communicated with an air inlet pipe 111 and an exhaust pipe 121, the sides of the drying cylinder 11 and the drying cylinder 12 away from each other are respectively provided with a through groove 115, two drying mechanisms are arranged in the drying box 1, the drying mechanisms include an electric push rod 24, the electric push rod 24 is fixedly installed at the bottom of the inner cavity of the drying box 1, the telescopic end of the electric push rod 24 is fixedly provided with a sealing door 25, the top of the telescopic end of the electric push rod 24 is fixedly provided with an L-shaped block 26, one end of the L-shaped block 26 is fixedly provided with a rack 1 27, the drying A long shaft 28 is rotatably provided between the two inner walls of the drying box 1, a gear 1 29 and a gear 2 291 are fixedly provided on the outer side of the long shaft 28, the rack 1 27 is meshed with the gear 1 29, a rack 292 is slidably provided on the inner wall of the drying box 1, the gear 2 291 is meshed with the rack 2 292, a symmetrically distributed hot air blower 131 is fixedly provided on the top of the drying box 1, and a short tube 1311 is provided at the bottom of the hot air blower 131, and the short tube 131 1 is connected with a connecting hose 132 at the bottom (the connecting hose 132 moves in the drying box 1), the connecting hose 132 passes through the drying box 1 and is connected with a hollow plate 133 at its end, the rack 292 is connected with the hollow plate 133, and a plurality of circular grooves 134 are formed on the side of the hollow plate 133 close to the drying box 1, and the hollow plate 22, the rotating plate 221 and the drying block 23 are both lifted and lowered in the drying cylinder 11 and the drying cylinder 2.

[0026] Furthermore, a cylinder 21 is fixedly provided on the top of each of the drying cylinders 11 and 12, and the telescopic end of the cylinder 21 is fixedly connected to a hollow plate 22, and a motor 222 is fixedly provided on the bottom of the hollow plate 22, and the output shaft of the motor 222 is fixedly connected to a rotating plate 221, and the rotating plate 221 is rotatably connected to a drying block 23. The number of circular holes 1 on the hollow plate 22 and the number of circular holes 2 on the rotating plate 221 are the same. When circular hole 1 corresponds to circular hole 2, it is convenient for hydrogen to rise. When circular hole 1 is staggered with circular hole 2, it is prevented that hot air enters the drying cylinder 11 through the drying block 23.

[0027] Furthermore, a symmetrically distributed motor 18 is fixedly disposed at the bottom of the inner cavity of the drying box 1, and the output shaft of the motor 18 passes through the drying cylinder 11. The output shaft of the motor 18 can contact the drying block 23 to drive the drying block 23 to rotate.

[0028] Furthermore, a symmetrically distributed L-shaped plate 13 is fixedly provided on the top of the drying box 1 , and the L-shaped plate 13 is fixedly connected to the hot air blower 131 , so as to facilitate fixing the hot air blower 131 .

[0029] Furthermore, a fixing block 241 is fixedly provided at the bottom of the electric push rod 24 , and the fixing block 241 is fixedly connected to the bottom of the inner cavity of the drying box 1 , so as to facilitate fixing the electric push rod 24 .

[0030] Furthermore, a connecting rod 294 is fixedly provided on one side of the second rack 292 , and a slide groove 1 is opened on the inner wall of one side of the drying box 1 , and the connecting rod 294 is slidably installed in the slide groove 1 to facilitate the sliding of the second rack 292 .

[0031] Furthermore, a slider 1 is fixedly provided on the rack 1 27 near the inner wall on the other side of the drying box 1 , and a slide groove 2 is provided on the inner wall on the other side of the drying box 1 , and the slider 1 is slidably installed in the slide groove 2 to facilitate the sliding of the rack 1 27 .

[0032] Furthermore, a rubber ring is fixedly provided on the outer side of the hollow plate 22 to facilitate the mutual fit with the inner wall of the drying cylinder 11, and the rubber ring can also prevent hot air from entering the drying cylinder 11.

[0033] Working principle: When this solution is used, the mixed hydrogen is first discharged from the air inlet pipe 111 into the drying cylinder 11, and then the cylinder 21 is started to drive the hollow plate 22, the rotating plate 221 and the drying block 23 to move downward, so that the drying block 23 squeezes the mixed hydrogen, so that the moisture in the mixed hydrogen is adsorbed on the drying block 23. When the drying block 23 moves to the bottom of the drying cylinder 11 and contacts with the output shaft of the motor 18, the motor 18 can drive the drying block 23 to rotate, and then the motor 222 is started to drive the rotating plate 221 to rotate, and the circular hole 1 on the hollow plate 22 and the circular hole 2 on the rotating plate 221 are staggered, so as to block the circular hole 1 on the hollow plate 22, and prevent the hot air from entering the interior of the drying cylinder 11 through the drying block 23 and polluting the gas in the drying cylinder 11;

[0034] Then the electric push rod 24 is started, thereby driving the sealing door 25 away from the drying cylinder 11, and then driving the rack 1 27 to move away from the long axis 28, and then driving the gear 1 29 and the long axis 28 to rotate, further driving the gear 2 291 to rotate, and then driving the rack 2 292 and the hollow plate 133 to move downward, and make the hollow plate 133 directly in front of the through groove 115, and then starting the hot air blower 131, the hot air enters the hollow plate 133 through the connecting hose 132, and is sprayed out through the circular groove 134, and directly sprayed onto the drying block 23, heating the drying block 23 to evaporate moisture, and at the same time the motor 18 drives the drying block 23 to rotate, so that the other surfaces of the drying block 23 can be in contact with the hot air, thereby improving the evaporation efficiency;

[0035] The continuously mixed hydrogen can pass through the drying cylinder 11 and enter the drying cylinder 2 12. The density of hydrogen is smaller than that of air. Hydrogen goes upward and can pass through the drying cylinder 11 and enter the drying cylinder 2 12. The mixed hydrogen is continuously dried and purified by the two drying mechanisms alternately, so that the input mixed hydrogen is completely dried, thereby preventing the dried hydrogen from being mixed with water again, thereby improving the purity of the hydrogen.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water vapor drying device for hydrogen production, comprising a drying box (1), characterized in that: The inner cavity of the drying box (1) is fixedly provided with a drying cylinder 1 (11) and a drying cylinder 2 (12); a connecting pipe (112) is provided on one side of the drying cylinder 1 (11); the other end of the connecting pipe (112) is connected to the drying cylinder 2 (12); an air inlet pipe (111) and an air exhaust pipe (121) are provided on the sides of the drying cylinder 1 (11) and the drying cylinder 2 (12) which are away from each other; and a connecting pipe (112) is provided on the sides of the drying cylinder 1 (11) and the drying cylinder 2 (12) which are away from each other. A through slot (115) is provided in the drying box (1), wherein two drying mechanisms are provided in the drying box (1), wherein the drying mechanisms include an electric push rod (24), wherein the electric push rod (24) is fixedly mounted at the bottom of the inner cavity of the drying box (1), wherein a sealing door (25) is fixedly provided at the telescopic end of the electric push rod (24), wherein an L-shaped block (26) is fixedly provided at the top of the telescopic end of the electric push rod (24), wherein a rack (27) is fixedly provided at one end of the L-shaped block (26), and a long rotatable member is provided between the two inner walls of the drying box (1). A shaft (28), a gear 1 (29) and a gear 2 (291) are fixedly provided on the outer side of the long shaft (28), the rack 1 (27) is meshingly connected with the gear 1 (29), a rack 2 (292) is slidably provided on the inner wall of the drying box (1), the gear 2 (291) is meshingly connected with the rack 2 (292), a symmetrically distributed hot air blower (131) is fixedly provided on the top of the drying box (1), and a short tube (1311) is provided at the bottom of the hot air blower (131), and the short tube A connecting hose (132) is provided at the bottom of the drying tube (1311), the connecting hose (132) passes through the drying box (1) and is provided with a hollow plate (133) at its end, the second rack (292) is connected to the hollow plate (133), a plurality of circular grooves (134) are provided on a side of the hollow plate (133) close to the drying box (1), and a hollow plate (22), a rotating plate (221) and a drying block (23) are provided in the drying tube (11) and the drying tube (12).

2. A water vapor drying device for hydrogen production according to claim 1, characterized in that: A cylinder (21) is fixedly provided on the top of each of the first drying cylinder (11) and the second drying cylinder (12); a telescopic end of the cylinder (21) is fixedly connected to a hollow plate (22); a motor (222) is fixedly provided on the bottom of the hollow plate (22); an output shaft of the motor (222) is fixedly connected to a rotating plate (221); and the rotating plate (221) is rotationally connected to a drying block (23).

3. A water vapor drying device for hydrogen production according to claim 1, characterized in that: A symmetrically distributed motor (18) is fixedly provided at the bottom of the inner cavity of the drying box (1), and an output shaft of the motor (18) passes through a drying cylinder (11).

4. A water vapor drying device for hydrogen production according to claim 1, characterized in that: A symmetrically distributed L-shaped plate (13) is fixedly provided on the top of the drying box (1), and the L-shaped plate (13) is fixedly connected to the hot air blower (131).

5. The water vapor drying equipment for hydrogen production according to claim 1, characterized in that: A fixing block (241) is fixedly provided at the bottom of the electric push rod (24), and the fixing block (241) is fixedly connected to the bottom of the inner cavity of the drying box (1).

6. The water vapor drying equipment for hydrogen production according to claim 1, characterized in that: A connecting rod (294) is fixedly provided on one side of the second rack (292), and a sliding groove (1) is provided on an inner wall of one side of the drying box (1), and the connecting rod (294) is slidably mounted in the sliding groove (1).

7. The water vapor drying equipment for hydrogen production according to claim 1, characterized in that: The rack 1 (27) is fixedly provided with a slide block 1 close to the inner wall of the other side of the drying box (1); the inner wall of the other side of the drying box (1) is provided with a slide groove 2, and the slide block 1 is slidably installed in the slide groove 2.

8. The water vapor drying equipment for hydrogen production according to claim 1, characterized in that: A rubber ring is fixedly provided on the outer side of the hollow plate (22).

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