CN216667253U

CN216667253U - Liquid hydrogen storage device for hydrogenation station

Info

Publication number: CN216667253U
Application number: CN202220044207.9U
Authority: CN
Inventors: 张江峰; 李继源; 张毅
Original assignee: Shenzhen Dushushen Eye Technology Co ltd; Shandong Nayu Energy Technology Co ltd
Current assignee: Shenzhen Dushushen Eye Technology Co ltd; Shandong Nayu Energy Technology Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-03
Anticipated expiration: 2032-01-10

Abstract

The utility model belongs to the technical field of hydrogen storage devices, in particular to a liquid hydrogen storage device for a hydrogen station, and provides a scheme aiming at the problem of poor cooling effect of the liquid hydrogen storage device. The utility model has better cooling effect, can radiate the condenser and the water pump, and has simple structure and convenient use.

Description

Liquid hydrogen storage device for hydrogenation station

Technical Field

The utility model relates to the technical field of hydrogen storage devices, in particular to a liquid hydrogen storage device for a hydrogen station.

Background

Liquid hydrogen is the liquid state of elemental hydrogen, which naturally occurs as molecular H2, and to exist as a liquid, H2 must be cooled below its critical point of 33K, requiring a liquid hydrogen storage device for storage of the liquid hydrogen.

The existing liquid hydrogen storage device is poor in cooling effect, external heat can enter the hydrogen storage device gradually due to heat exchange, the internal temperature of the hydrogen storage device rises, evaporation loss of liquid hydrogen is increased, and the utilization rate of the liquid hydrogen is reduced, so that the liquid hydrogen storage device for the hydrogen station is provided, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect of poor cooling effect of a liquid hydrogen storage device, and provides the liquid hydrogen storage device for a hydrogen refueling station.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a hydrogenation station is with liquid hydrogen storage device, includes liquid hydrogen holding vessel, and the last fixed intercommunication of liquid hydrogen holding vessel has liquid hydrogen feed liquor pipe and liquid hydrogen drain pipe, and the outside of liquid hydrogen feed liquor pipe and liquid hydrogen drain pipe all is provided with the solenoid valve, the bottom fixed mounting of liquid hydrogen holding vessel has back the shaped plate, and the bottom fixed mounting who returns the shaped plate has the L shaped plate, be equipped with the intermediate layer on the liquid hydrogen holding vessel, fixed intercommunication has the one end of returning liquid pipe and conveyer pipe on the intermediate layer, be equipped with drawing liquid mechanism on the L shaped plate, one side fixed mounting of L shaped plate has the motor, and fixed mounting has the one end of dwang on the output shaft of motor, and the other end of dwang extends to in the liquid hydrogen holding vessel, and the outside fixed mounting of dwang has a plurality of stirring rods, it constructs to install the mechanism of bleeding on the shaped plate.

Preferably, drawing liquid mechanism includes water tank, liquid suction pipe, water pump and condenser, and water tank, liquid suction pipe, water pump and condenser all are located the inboard of drawing back the shaped plate, and the bottom of water tank, liquid suction pipe and water pump all with L shaped plate fixed connection, the one end and the fixed intercommunication of water tank of liquid suction pipe, the other end of liquid suction pipe and the fixed intercommunication of the water inlet of water pump, the other end of conveyer pipe and the fixed intercommunication of the delivery port of water pump, the other end of returning liquid pipe and the fixed intercommunication in top of water tank, the condenser is installed in the outside of liquid suction pipe.

Preferably, the mechanism of bleeding includes fixed mounting in the well cavity post of returning shape board one side, and the fixed intercommunication of one end of well cavity post has communicating pipe, and communicating pipe is linked together with the inside of returning the shape board, and the venthole has been seted up in the outside of well cavity post, all is equipped with the check valve in communicating pipe and the venthole, and the opposite side of returning the shape board is equipped with the inlet port, is equipped with the dust screen in the inlet port.

Preferably, a piston is slidably mounted in the hollow column, one end of the piston is fixedly mounted with one end of a push-pull rod, the other end of the push-pull rod extends to the outer side of the hollow column and is rotatably mounted with one end of a second rod, the other end of the second rod is rotatably mounted with one end of a first rod, and a vertical rod is fixedly mounted on the outer side of the first rod.

Preferably, the mounting plate is fixedly mounted on the inner side of the L-shaped plate, and the vertical rod is rotatably mounted on the mounting plate.

Preferably, the top fixed mounting of montant has the second bevel gear, and the meshing has first bevel gear on the second bevel gear, and the outside of dwang is located to the fixed cover of first bevel gear.

Compared with the prior art, the utility model has the advantages that:

(1) when the water pump works, the cooling liquid in the water tank is extracted through the liquid extracting pipe, the cooling liquid is cooled through the condenser, the cooled cooling liquid is conveyed into the interlayer through the conveying pipe and returns into the water tank from the liquid return pipe after rotating in the interlayer, and the heat in the liquid hydrogen storage tank can be taken away by the cooling liquid when the cooling liquid passes through the interlayer, so that the cooling purpose is achieved;

(2) the motor drives the rotating rod to rotate, and the rotating rod drives the stirring rod to rotate to stir the liquid hydrogen, so that the liquid hydrogen is cooled more uniformly;

(3) the air exhaust mechanism is arranged to exhaust air from the air outlet, and outside air enters the return plate through the air inlet to circulate the air, so that heat generated by the condenser and the water pump during working is taken away, and the condenser and the water pump are cooled;

the utility model has better cooling effect, can radiate the condenser and the water pump, and has simple structure and convenient use.

Drawings

FIG. 1 is a schematic structural diagram of a liquid hydrogen storage device for a hydrogen refueling station according to the present invention;

FIG. 2 is a schematic perspective view of a liquid hydrogen storage device for a hydrogen refueling station according to the present invention;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 1 of a liquid hydrogen storage apparatus for a hydrogen refueling station according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a portion B in fig. 1 of a liquid hydrogen storage device for a hydrogen refueling station according to the present invention.

In the figure: 1. an L-shaped plate; 2. a return plate; 3. a liquid hydrogen storage tank; 4. an interlayer; 5. a water tank; 6. a liquid return pipe; 7. a delivery pipe; 8. a water pump; 9. a liquid pumping pipe; 10. a condenser; 11. a motor; 12. rotating the rod; 13. a stirring rod; 14. an air inlet; 15. a hollow column; 16. a piston; 17. a push-pull rod; 18. a communicating pipe; 19. an air outlet; 20. a one-way valve; 21. a second lever; 22. a first lever; 23. a vertical rod; 24. mounting a plate; 25. a second bevel gear; 26. a first bevel gear.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Referring to fig. 1-4, a liquid hydrogen storage device for a hydrogen refueling station comprises a liquid hydrogen storage tank 3, the liquid hydrogen storage tank 3 is fixedly communicated with a liquid hydrogen inlet pipe and a liquid hydrogen outlet pipe, electromagnetic valves are respectively arranged outside the liquid hydrogen inlet pipe and the liquid hydrogen outlet pipe, a return plate 2 is fixedly arranged at the bottom of the liquid hydrogen storage tank 3, an L-shaped plate 1 is fixedly arranged at the bottom of the return plate 2, an interlayer 4 is arranged on the liquid hydrogen storage tank 3, a liquid return pipe 6 and one end of a delivery pipe 7 are fixedly communicated with the interlayer 4, a liquid pumping mechanism is arranged on the L-shaped plate 1, a motor 11 is fixedly arranged at one side of the L-shaped plate 1, one end of a rotating rod 12 is fixedly arranged on an output shaft of the motor 11, and the other end of the rotating rod 12 extends into the liquid hydrogen storage tank 3, and a plurality of stirring rods 13 are fixedly arranged on the outer side of the rotating rod 12, and an air exhaust mechanism is arranged on the return plate 2.

The rotating rod 12 is driven to rotate by the motor 11, and the rotating rod 12 drives the stirring rod 13 to rotate to stir the liquid hydrogen, so that the liquid hydrogen is cooled more uniformly.

In this embodiment, drawing liquid mechanism includes water tank 5, liquid suction pipe 9, water pump 8 and condenser 10, water tank 5, liquid suction pipe 9, water pump 8 and condenser 10 all are located the inboard of returning the shaped plate 2, and water tank 5, the bottom of liquid suction pipe 9 and water pump 8 all with 1 fixed connection of L shaped plate, the one end and the fixed intercommunication of water tank 5 of liquid suction pipe 9, the other end and the fixed intercommunication of water pump 8's water inlet of liquid suction pipe 9, the other end and the fixed intercommunication of water pump 8's of conveyer pipe 7 the other end, the other end of liquid suction pipe 6 and the fixed intercommunication in top of water tank 5, condenser 10 is installed in the outside of liquid suction pipe 9, condenser 10 samples the publication number: the condenser proposed in CN211667578U cools the coolant by the condenser 10, extracts the coolant in the water tank 5 by the liquid extraction pipe 9, cools the coolant by the condenser 10, and conveys the cooled coolant into the interlayer 4 through the conveying pipe 7, and returns the cooled coolant into the water tank 5 from the liquid return pipe 6 after circulating in the interlayer 4.

In this embodiment, the mechanism of bleeding includes fixed mounting in the well hollow column 15 of returning shape board 2 one side, the fixed intercommunication of one end of well hollow column 15 has communicating pipe 18, communicating pipe 18 is linked together with the inside of returning shape board 2, venthole 19 has been seted up in the outside of well hollow column 15, all be equipped with check valve 20 in communicating pipe 18 and the venthole 19, the opposite side of returning shape board 2 is equipped with inlet port 14, be equipped with the dust screen in the inlet port 14, setting up of check valve 20 makes gaseous only can one-way circulation, the setting of dust screen can filter the gas that gets into in the inlet port 14.

In this embodiment, a piston 16 is slidably mounted in the hollow column 15, one end of the piston 16 is fixedly mounted with one end of a push-pull rod 17, the other end of the push-pull rod 17 extends to the outside of the hollow column 15 and is rotatably mounted with one end of a second rod 21, the other end of the second rod 21 is rotatably mounted with one end of a first rod 22, and the outside of the first rod 22 is fixedly mounted with a vertical rod 23.

The vertical rod 23 drives the first rod 22 to eccentrically rotate, the first rod 22 drives the second rod 21 to move, and the second rod 21 drives the push-pull rod 17 to horizontally reciprocate.

In this embodiment, the mounting plate 24 is fixedly mounted on the inner side of the L-shaped plate 1, and the vertical rod 23 is rotatably mounted on the mounting plate 24.

In this embodiment, a second bevel gear 25 is fixedly mounted on the top of the vertical rod 23, a first bevel gear 26 is engaged with the second bevel gear 25, and the first bevel gear 26 is fixedly sleeved on the outer side of the rotating rod 12.

By rotating the rod 12, the first bevel gear 26 rotates the second bevel gear 25, and the second bevel gear 25 rotates the vertical rod 23.

The working principle is that when cooling is needed, the motor 11 and the water pump 8 are started, the water pump 8 extracts cooling liquid in the water tank 5 through the liquid pumping pipe 9 when working, the cooling liquid is cooled through the condenser 10, the cooled cooling liquid is conveyed into the interlayer 4 through the conveying pipe 7 and returns to the water tank 5 from the liquid return pipe 6 after circulating in the interlayer 4, the cooling liquid takes away heat in the liquid hydrogen storage tank 3 when passing through the interlayer 4, so as to achieve the purpose of cooling, meanwhile, the motor 11 drives the rotating rod 12 to rotate, the rotating rod 12 drives the stirring rod 13 to rotate to stir the liquid hydrogen, so that the liquid hydrogen is cooled more uniformly, meanwhile, the rotating rod 12 drives the first bevel gear 26 to rotate, the first bevel gear 26 drives the second bevel gear 25 to rotate, the second bevel gear 25 drives the vertical rod 23 to rotate, the vertical rod 23 drives the first rod 22 to eccentrically rotate, and the first rod 22 drives the second rod 21 to move, the second rod 21 drives the push-pull rod 17 to horizontally reciprocate, the push-pull rod 17 drives the piston 16 to horizontally reciprocate, and due to the arrangement of the two one-way valves 20, gas can only flow in one direction, so when the piston 16 moves rightwards, the gas in the return plate 2 can be extracted through the communicating pipe 18, when the piston 16 moves leftwards, the gas is discharged from the gas outlet 19, external gas enters the return plate 2 through the gas inlet 14 to flow so as to take away heat generated by the condenser 10 and the water pump 8 during operation, and the condenser 10 and the water pump 8 are cooled.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides a hydrogenation station is with liquid hydrogen storage device, includes liquid hydrogen holding vessel (3), and fixed intercommunication has liquid hydrogen feed liquor pipe and liquid hydrogen drain pipe on liquid hydrogen holding vessel (3), and the outside of liquid hydrogen feed liquor pipe and liquid hydrogen drain pipe all is provided with the solenoid valve, its characterized in that, the bottom fixed mounting of liquid hydrogen holding vessel (3) has back shaped plate (2), and the bottom fixed mounting who returns shaped plate (2) has L shaped plate (1), be equipped with intermediate layer (4) on liquid hydrogen holding vessel (3), fixed intercommunication has the one end of returning liquid pipe (6) and conveyer pipe (7) on intermediate layer (4), be equipped with liquid pumping mechanism on L shaped plate (1), one side fixed mounting of L shaped plate (1) has motor (11), and fixed mounting has the one end of dwang (12) on the output shaft of motor (11), and the other end of dwang (12) extends to in liquid hydrogen holding vessel (3), and the outside fixed mounting of dwang (12) has a plurality of stirring rods (13), install air exhaust mechanism on returning the shaped plate (2).

2. The liquid hydrogen storage device for the hydrogenation station according to claim 1, wherein the liquid pumping mechanism comprises a water tank (5), a liquid pumping pipe (9), a water pump (8) and a condenser (10), the water tank (5), the liquid pumping pipe (9), the water pump (8) and the condenser (10) are all located on the inner side of the return plate (2), the bottoms of the water tank (5), the liquid pumping pipe (9) and the water pump (8) are all fixedly connected with the L-shaped plate (1), one end of the liquid pumping pipe (9) is fixedly communicated with the water tank (5), the other end of the liquid pumping pipe (9) is fixedly communicated with the water inlet of the water pump (8), the other end of the conveying pipe (7) is fixedly communicated with the water outlet of the water pump (8), the other end of the liquid returning pipe (6) is fixedly communicated with the top of the water tank (5), and the condenser (10) is installed on the outer side of the liquid pumping pipe (9).

3. The liquid hydrogen storage device for the hydrogen refueling station as claimed in claim 1, wherein the air pumping mechanism comprises a hollow column (15) fixedly mounted on one side of the return plate (2), one end of the hollow column (15) is fixedly communicated with a communicating pipe (18), the communicating pipe (18) is communicated with the inside of the return plate (2), an air outlet (19) is formed in the outer side of the hollow column (15), one-way valves (20) are respectively arranged in the communicating pipe (18) and the air outlet (19), an air inlet (14) is formed in the other side of the return plate (2), and a dust screen is arranged in the air inlet (14).

4. The liquid hydrogen storage device for the hydrogenation station as claimed in claim 3, wherein the hollow column (15) is slidably mounted with a piston (16), one end of the piston (16) is fixedly mounted with one end of a push-pull rod (17), the other end of the push-pull rod (17) extends to the outside of the hollow column (15) and is rotatably mounted with one end of a second rod (21), the other end of the second rod (21) is rotatably mounted with one end of a first rod (22), and the outside of the first rod (22) is fixedly mounted with a vertical rod (23).

5. The liquid hydrogen storage device for the hydrogen refueling station as recited in claim 4, wherein the L-shaped plate (1) is fixedly provided with a mounting plate (24) at the inner side thereof, and the vertical rod (23) is rotatably provided on the mounting plate (24).

6. The liquid hydrogen storage device for the hydrogenation station as claimed in claim 4, wherein a second bevel gear (25) is fixedly mounted on the top of the vertical rod (23), a first bevel gear (26) is engaged with the second bevel gear (25), and the first bevel gear (26) is fixedly sleeved on the outer side of the rotating rod (12).