CN211664721U

CN211664721U - Portable chemical hydrogen production system

Info

Publication number: CN211664721U
Application number: CN201921600227.4U
Authority: CN
Inventors: 叶龙; 侯向理; 刘艺培
Original assignee: Nekson Power Technology Co ltd
Current assignee: Nekson Power Technology Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-10-13
Anticipated expiration: 2029-09-25

Abstract

A portable chemical hydrogen production system comprising: the water supply unit is a water bag or a water box which can be repeatedly used and disassembled, so that a water source can be conveniently and quickly obtained; the hydrogen production unit is connected with the water supply unit through a water pipeline, and hydrogen production materials which can be used for producing hydrogen through chemical reaction with water, specifically including but not limited to sodium borohydride and mainly used are arranged in the hydrogen production unit; the processing unit is connected with the hydrogen production unit through a gas transmission pipeline and sequentially comprises a heat dissipation device, a water distribution device and a drying device; be provided with the cladding in the water diversion apparatus and have the filtration post of waterproof ventilative material, the hydrogen manufacturing system equipment mechanism of this scheme design is simple, control is simple and convenient, dewatering, edulcoration are efficient, can empty in 60 degrees or even more than 90 degrees short times, are applicable to the required scene of most open-air hydrogen manufacturing, have guaranteed the portable characteristics of equipment.

Description

Portable chemical hydrogen production system

Technical Field

The utility model belongs to the technical field of hydrogen preparation and supply, concretely relates to portable chemical hydrogen production system.

Background

At present, aiming at the difficulty of outdoor hydrogen utilization of portable fuel cells, there are several emergency hydrogen supply schemes, such as hydrogen storage in a hydrogen bottle, hydrogen storage in a hydrogen storage material, hydrogen production by methanol reforming, chemical hydrogen production (sodium borohydride) and the like; the hydrogen production by the heavy methanol has the defects of large volume and weight, high manufacturing cost, long starting time and the like, so that the portable requirement of the meteorological hydrogen production cannot be met, and the problem exists in an efficient hydrogen production system disclosed in a file with the authorization number of CN 202808344; the chemical hydrogen production system mainly using sodium borohydride to produce hydrogen at present, for example, a document with the authorization number of CN204022465 discloses a portable hydrogen production-supply system, which comprises a storage container storing a hydrogen production agent, a reactor serving as a hydrogen production place and a purification device for filtering and generating hydrogen, but the scheme has lower efficiency through circulating water cooling, and the prepared hydrogen carries a large amount of water vapor, so that the effect is poor, the equipment is complex, and the operation is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable chemistry hydrogen manufacturing system through adding processing apparatus in to hydrogen manufacturing system, can effectively dispel the heat, remove steam, edulcoration, and efficient, easy operation are suitable for and use in the required scene of hydrogen for field fuel cell.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

a portable chemical hydrogen production system comprising:

the water supply unit is a water bag or a water box which can be repeatedly used and disassembled, so that a water source can be conveniently and quickly obtained;

the hydrogen production unit is connected with the water supply unit through a water pipeline, and hydrogen production materials which can be used for producing hydrogen through chemical reaction with water, specifically including but not limited to sodium borohydride and mainly used are arranged in the hydrogen production unit;

the processing unit is connected with the hydrogen production unit through a gas transmission pipeline and sequentially comprises a heat dissipation device, a water distribution device and a drying device; a filter column coated with waterproof and breathable materials is arranged in the water diversion device.

Preferably, the water diversion device body is provided with an air outlet at the inner part of the filtering column body, and an air inlet and a water outlet at the outer part of the filtering column body respectively.

The cylindrical filter column can increase the contact area with gas, so that the filtering efficiency is higher; traditional individual layer filtration membrane filters, and filtration efficiency is low, and can lead to the unable potential safety hazard of giving vent to anger and producing the explosion when water covers the membrane surface entirely, consequently, adopts the cylindricality filter column, even equipment emptys by a wide margin, can not let water cover membrane surface entirely yet and lead to unable giving vent to anger, and the security is higher.

Preferably, the water diversion device body is provided with an air inlet and a water outlet respectively in the filtering column body, and is provided with an air outlet outside the column body.

Further, for the leakproofness of filter column, be provided with the solid fixed ring of fixed waterproof ventilative material and the fixed column of being connected with solid fixed ring lower extreme, gu fixed ring includes the solid fixed ring of first solid fixed ring, the solid fixed ring of second and connects the solid fixed ring of first solid fixed ring, second, the sealing member specifically is the U type, consolidates the solid fixed ring's of first solid fixed ring and second through the mode of block and is connected.

Furthermore, the upper bottom plate and the lower bottom plate of the sealing element are provided with fixing through holes, correspondingly, the first fixing ring and the second fixing ring are also provided with through holes, and the bolt sequentially passes through the upper bottom plate, the first fixing ring, the second fixing ring and the lower bottom plate to realize fixing.

Furthermore, a limiting groove is formed in the sealing element, a limiting part of a fastening bolt is installed in the limiting groove, the limiting part comprises a first section part and a second section part, and one side end of the first section part and the other end of the bottom end side face of the bolt, which is in contact with the first section part, are connected with the second section part in a circular arc shape.

Preferably, still be provided with the clearance piece in the water diversion apparatus, the clearance piece includes first dead lever and second dead lever, and the cover is equipped with the rotator on the first dead lever, installs the driving piece of drive rotator on the second dead lever.

Furthermore, the driving piece comprises a driving motor, a connecting rod connected with the output end of the driving motor and an output block connected with the connecting rod, and the lower surface of the output block is provided with a second magnetic block which is mutually attracted by magnetic force with the first magnetic block arranged at one end of the rotating body; the driving motor drives the output block provided with the second magnetic block to rotate through the connecting rod, and because of the existence of magnetic force, the rotating part is applied with an axial force to rotate on the first fixing rod, at the moment, the end part of the rotating part knocks off the gathered water drops through the mode of collision with the waterproof breathable film on the filter column, and the effect of reducing the gathering of water on the film is achieved.

Furthermore, a fixing groove is formed in the end portion, close to the first magnetic block, of the rotating body, a ball is arranged in the fixing groove and sleeved on a fixing rod installed in the fixing groove, and the effect of reducing loss of the film in the collision process is achieved.

Preferably, the heat sink is an aluminum fin heat sink or heat dissipation coil; the gas production is large, the heat release is large, the aluminum fin radiator with the fan is used when the hydrogen carries more water vapor, the gas production is small, the heat release is small, and the heat dissipation coil pipe is used when the hydrogen carries less water vapor; the drying device is a dryer, and one or more drying agents such as mixed bed resin, molecular sieve and the like are filled in the drying device and are used for finally cleaning hydrogen in the process.

To sum up, the utility model discloses following beneficial effect has:

the utility model discloses a hydrogen manufacturing system equipment mechanism is simple, control is simple and convenient, dewatering, edulcoration are efficient, can empty in 60 degrees short times more than 90 degrees even, is applicable to the required scene of most open-air hydrogen manufacturing, has guaranteed the portable characteristics of equipment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the water diversion device of the present invention.

Fig. 3 is a schematic structural view of the water diversion device of the present invention.

Fig. 4 is a schematic view of a partial structure of the middle filter column of the present invention.

Fig. 5 is a schematic view of a partial structure of the middle filter column of the present invention.

Fig. 6 is a schematic structural view of the cleaning member of the present invention.

Fig. 7 is a schematic view of a partial structure of the cleaning member of the present invention.

Description of the drawings: 1 water box/water bag, 2 hydrogen production fuel box, 3 heat dissipation device, 4 water diversion device, 41 filter column, 411 fixing ring, first fixing ring 4111, second fixing ring 4112,

sealing member

4113, 4113a limit member, second section 4113a-1, first section 4113a-2, 4113b limit groove, 4113c elastic member, 413 bolt, air inlet 42, air outlet 43, water outlet 44, 45 removing member, 451 first fixing rod, 452 second fixing rod, 453 rotating body, 4531 first magnetic block, 4532 fixing groove, 4533 fixing rod, 4534 ball, 4535 rolling ball, 4536 moving block, 4537 groove body, 4538 mounting rod, 4539 spring, 4536 fourth magnetic block,

driving member

454, 4541 driving motor, 4542 output rod, 4543 output block, 4544 second magnetic block, 455 connecting rod, 4551 third magnetic block, 5 drying device and 6 water pump.

Detailed Description

Example 1

As shown in fig. 1, a portable chemical hydrogen production system comprises: a hydrogen-producing fuel cartridge 2, including but not limited to materials that produce hydrogen from sodium borohydride with water; a detachable water box or water bag 1 which can be reused is convenient for rapidly obtaining water source, and is connected with the water inlet of the hydrogen production fuel box through a water conveying pipeline, and a speed-adjustable water pump 6 is arranged on the pipeline and is used for adjusting the water speed and controlling the speed of hydrogen production; the other gas outlet of the hydrogen production fuel box 2 is connected with a heat dissipation device 3, and can be adjusted into different forms according to different gas production rates, the gas production rate is large, heat release is large, if the hydrogen carries more water vapor, an aluminum fin radiator with a fan is used, the gas production rate is small, heat release is small, and if the hydrogen carries less water vapor, a heat dissipation coil pipe is used; the rear end of the heat dissipation device 3 is connected with an air inlet 42 of the water diversion device 4, an air outlet 43 of the water diversion device 4 is connected with the drying device 5, and the drying device 5 is specifically a dryer which is internally provided with one or more drying agents such as mixed bed resin, molecular sieve and the like and is used for finally cleaning hydrogen.

As shown in fig. 2, a filtering column 41 is further installed at the bottom inside the water dividing device 4, a gas outlet 43 of the water dividing device 4 is arranged inside the filtering column 41, the columnar filtering column 41 is coated with a waterproof and breathable material, which may be, but not limited to, non-woven fabric or polytetrafluoroethylene, when hydrogen carrying certain water vapor enters the water dividing device 4, the filtering column 41 blocks the water vapor outside the filtering column, only the gas passes through the gas, the gas enters the next step through the gas outlet 43 inside the filtering column 41, the blocked water vapor is accumulated to form water drops, and the water drops flow out through a water outlet 44 arranged on the water dividing device 4, and the columnar filtering column can increase the contact area with the gas, so that the filtering efficiency is higher; traditional individual layer filtration membrane filters, and filtration efficiency is low, and can lead to the unable potential safety hazard of giving vent to anger and producing the explosion when water covers the membrane surface entirely, consequently, adopts the cylindricality filter column, even equipment emptys by a wide margin, can not let water cover membrane surface entirely yet and lead to unable giving vent to anger, and the security is higher.

In order to further improve the tightness and the waterproofness of the waterproof breathable membrane on the waterproof filter column, as shown in fig. 4, the filter column 41 is composed of a plurality of fixing rods 412 installed on the body of the water diversion apparatus 4 and fixing rings 411 welded to the fixing rods 412, the waterproof breathable membrane is integrally fixed to the fixing rods 412 by bonding, a special treatment is performed on the joints of the fixing rods and the fixing rings where water leakage and air leakage are likely to occur, specifically, the fixing rings 411 are composed of second fixing rings 4112 fixedly connected to the fixing rods 412 and first fixing rings 4111 detachably connected to the second fixing rings 4112, the waterproof breathable membrane can be clamped between the first fixing rings 4111 and the second fixing rings 4112, and in order to further improve the tightness of the connection between the first fixing rings 4111 and the second fixing rings 4112, sealing members 4113 are respectively provided at the two ends of the first fixing rings 4111 and the second fixing rings 4112 to clamp the two, the main body of the sealing member 4113 is a U-shaped engaging block, the upper and lower U-shaped engaging plates are correspondingly provided with threaded holes adapted to the bolt 413, correspondingly, the first fixing ring 4111 and the second fixing ring 4112 are also provided with threaded holes adapted to the bolt 413, the lower engaging plate is provided with a limiting groove 4113b at a position abutting against the bottom of the bolt 413, and a limiting member 4113a is installed in the limiting groove, as shown in fig. 5, the limiting member 4113a is integrally a U-shaped member with an opening facing the direction of the bolt 413, specifically, the limiting member is divided into a first section 4113a-2 and a second section 4113a-1, the end of the first section 4113a-2 is an inclined surface with a short top and a long bottom, and abuts against the side surface of the bottom of the bolt 413, the end of the second section 4113a-1 is also an inclined surface with a short top and a long bottom, during the installation of the bolt 413, the bottom of the bolt and the inclined surface of the first section, pass to second section portion 4113a-1 department through the bend of U type, second section portion 4113a-1 can take place the slope because of the relation of power, the side laminating of the inclined plane of making second section portion 4113a-1 tip complete with bolt 413, thereby can not produce after making bolt 413 installation not hard up, and make the space between sealing member 4113 and the solid fixed ring 4112 of second reduce, the last block board tip lower surface of sealing member 4113 can be connected elastic member 4113c and contradict with first solid fixed ring 4111 like rubber etc., the wearing and tearing have been reduced, the compactness of first solid fixed ring 4111 and the solid fixed ring 4112 of second have further been improved simultaneously.

The working principle is as follows: water in the water bag or the water box is slowly pumped into the hydrogen production fuel box by a water pump, the hydrogen is produced by reaction immediately after the water contacts the mixed material, the produced hydrogen is radiated by the heat radiation device, the water separation device separates water, the drying device dries and filters, and pure hydrogen is output.

The connection means not specifically described in this embodiment may be welding, bonding, screwing, or the like means commonly used in the art.

Example 2

The present embodiment is different from embodiment 1 in that, as shown in fig. 3, the air inlet 42 and the water outlet 44 of the water diversion device 4 are opened inside the filter column 41, and the air outlet 43 is opened outside the filter column 41.

As shown in fig. 6, a cleaning piece 45 is also arranged at the bottom of the water diversion device 4 and used for dropping water drops accumulated on the waterproof breathable film in a collision mode; specifically, the clearing member 45 comprises a first fixing rod 451 and a connecting rod 455 which are vertically installed on the body of the water diversion device 4, and a second fixing rod 452 connected with the connecting rod 455, the first fixing rod 451 is sleeved with a special-shaped rotating body 453, one end of the special-shaped rotating body is in a shape of narrowing toward the end, and a first magnetic block 4531 is installed near the end; a driving element 454 is mounted on the lower surface of the second fixing rod 452, and specifically comprises a driving motor 4541, an output rod 4542 connected with the output end of the driving motor, and an output block 4543 connected with the output rod 4542, and a second magnetic block 4544 magnetically attracted with the first magnetic block 4531 is mounted on the output block, so that during operation; thereby motor drive output piece drive second magnetic path is rotatory, and first magnetic path receives the influence of magnetic force to drive the rotator rotatory on first dead lever, and the abnormal shape tip of rotator collides with the filter column when rotating to a certain position, and the water that will gather on waterproof ventilated membrane is knocked off in this circulation collision, prevents that the gathering of water from influencing gas and passing through.

Further, a ball 4535 is installed at a joint of the rotating body 453 and the first fixing lever 451 to reduce frictional resistance generated during rotation.

Further, when the rotating body 453 rotates, the rotating body 453 may be deflected due to magnetic force, so that the effect is unstable, and therefore, the third magnetic block 4551 is mounted on the water diversion device 4, and a repulsive force is generated with the fourth magnetic block 4536 mounted on the other end of the rotating body 453 to balance the stress problem of the rotating body.

The working principle of this embodiment is the same as that of embodiment 1.

Example 3

In this embodiment, in addition to embodiment 2, at the special-shaped end of the rotating body 453, in order to reduce the abrasion caused by the collision with the filter column membrane, a fixing groove 4532 is formed at the special-shaped end, and a ball 4534 is installed in the groove through a fixing rod 4533; the fixing rod 4533 and the fixing groove 4532 are in an elastic connection relationship, as shown in fig. 7, an end of the fixing rod 4533 is connected with a moving block 4536, a through hole is formed in the moving block 4536, the moving block is sleeved on a mounting rod 4538 installed in a groove 4537 formed in the side surface of the fixing groove 4532, and the end surface of the moving block is connected with the surface of the groove 4537 through a spring 4539, so that when the rotating body 453 collides with the filter column, the ball 4534 has an elastic reset effect in the fixing groove 4532, and friction loss is greatly reduced.

The working principle of this embodiment is the same as that of embodiment 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A portable chemical hydrogen production system comprising:

the water supply unit is used for storing water bodies;

the hydrogen production unit is connected with the water supply unit through a water conveying pipeline, and a hydrogen production material capable of producing hydrogen through chemical reaction with water is arranged in the hydrogen production unit;

the treatment unit is connected with the hydrogen production unit through a gas transmission pipeline and comprises a heat dissipation device (3), a water distribution device (4) and a drying device (5) which are arranged in sequence; the water diversion device (4) is internally provided with a filter column (41) coated with a waterproof and breathable material.

2. The portable chemical hydrogen production system according to claim 1, wherein the water diversion device (4) body is provided with an air inlet (42) and a water outlet (44) at the outer part of the filtering column (41), and an air outlet (43) at the inner part of the filtering column (41).

3. The portable chemical hydrogen production system according to claim 1, wherein the water diversion device (4) body is provided with an air inlet (42) and a water outlet (44) at the inner part of the filtering column (41), and is provided with an air outlet (43) at the outer part of the filtering column (41).

4. A portable chemical hydrogen production system according to claim 1, characterized in that the filter column (41) comprises a fixing ring (411) for fixing waterproof and gas-permeable material and a fixing column (412) connected with the fixing ring (411), and the fixing ring (411) comprises a first fixing ring (4111), a second fixing ring (4112) and a sealing member (4113) for connecting the first fixing ring (4111) and the second fixing ring (4112).

5. A portable chemical hydrogen production system according to claim 4, characterized in that the sealing member (4113) is provided with a fixing through hole for fitting with the bolt (413) and a retaining member (4113 a) for fixing the bolt (413) by pressing.

6. A portable chemical hydrogen production system according to claim 5, wherein the limiting member (4113 a) comprises a first section and a second section, the first section is located at the bottom of a limiting groove (4113b) formed in the surface of the sealing member (4113), one end of the second section is connected with the first section, and the other end of the second section is used for fixing the bolt (413) in an interference pressing manner.

7. A portable chemical hydrogen production system according to any one of claims 2 or 3, characterized in that the water diversion apparatus (4) is provided with a cleaning member (45) in its body, the cleaning member (45) comprises a first fixing rod (451) and a second fixing rod (452), the first fixing rod (451) is sleeved with a rotating body (453), and the second fixing rod (452) is provided with a driving member (454) for driving the rotating body.

8. A portable chemical hydrogen production system according to claim 7, characterized in that the driving member (454) comprises a driving motor (4541), an output rod (4542) connected to an output end of the driving motor (4541), and an output block (4543) connected to the output rod (4542), and a lower surface of the output block (4543) is provided with a second magnetic block (4544) magnetically attracting the first magnetic block (4531) provided at one end of the rotating body (453).

9. The portable chemical hydrogen production system according to claim 8, wherein a fixing groove (4532) is formed at an end of the rotating body (453) close to the first magnetic block (4531), and balls (4534) sleeved on a fixing rod (4533) installed in the fixing groove (4532) are arranged in the fixing groove (4532).

10. A portable chemical hydrogen production system according to claim 1, characterized in that the heat sink (3) is an aluminum fin radiator or a heat sink coil.