CN220600562U - Automatic relief device of relief valve for hydrogen production equipment - Google Patents
Automatic relief device of relief valve for hydrogen production equipment Download PDFInfo
- Publication number
- CN220600562U CN220600562U CN202322294051.7U CN202322294051U CN220600562U CN 220600562 U CN220600562 U CN 220600562U CN 202322294051 U CN202322294051 U CN 202322294051U CN 220600562 U CN220600562 U CN 220600562U
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- piston
- cylinder
- sliding
- relief device
- safety valve
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 44
- 239000001257 hydrogen Substances 0.000 title claims abstract description 44
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000000376 reactant Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 150000002431 hydrogen Chemical class 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses an automatic pressure relief device of a safety valve for hydrogen production equipment, which comprises a fixed support and supporting legs fixedly arranged on four sides of the lower end of the fixed support, wherein a cylinder II is rotated before hydrogen production, the cylinder II moves towards the inner wall of the cylinder I during rotation, the force required for pushing a piston is increased, reactants are firstly added into a reaction barrel during hydrogen production, the air pressure in the reaction barrel is slowly increased when the reactants react to produce hydrogen, when the reaction barrel is filled with air, the air pushes the piston to move outwards, the piston drives a slide rod to slide outwards along the inner wall of the cylinder I, the spring I is extruded, the air is discharged from an exhaust assembly during sliding of the piston to an exhaust assembly, the air pressure in the reaction barrel is reduced to a safe range due to the discharge air pressure of the air, and the automatic pressure relief device of the safety valve for hydrogen production equipment has the effect of adjusting the air pressure according to requirements.
Description
Technical Field
The utility model relates to the technical field of pressure relief devices, in particular to an automatic pressure relief device of a safety valve for hydrogen production equipment.
Background
Hydrogen is a good chemical raw material, has good reducibility and no pollution, so that hydrogen can replace carbon as a reducing agent for metal smelting; in addition, the hydrogen can also be used for optical fiber production, metal cutting and welding, hydrogen fuel cell automobiles, distributed power generation and the like, the hydrogen can also be used as industrial fuel, one of the advantages of the hydrogen as fuel is that the molecular weight is the lowest, the hydrogen is widely applied to the preparation of the hydrogen by manpower, and equipment for preparing the gas often needs to stabilize the air pressure in the device by the pressure relief device, so that the equipment is prevented from being damaged due to overlarge air pressure in the device.
Most of the pressure borne by the existing pressure relief devices is determined when leaving factories, raw material formulas capable of generating hydrogen in the process of preparing hydrogen are various, the generated gas is probably not single hydrogen, the pressure required by the pressure relief devices is inconvenient to adjust according to the actual demands of users, and the pressure relief size required by the pressure relief devices is likely to change according to the different formulas, so that the automatic pressure relief devices capable of adjusting the pressure relief size are needed.
So we propose an automatic relief device of safety valve for hydrogen production equipment, so as to solve the above-mentioned problems.
Disclosure of Invention
The utility model provides an automatic pressure relief device of a safety valve for hydrogen production equipment, which solves the problems that most of the air pressures born by the existing pressure relief devices in the prior art are determined when leaving factories and the required air pressure cannot be adjusted according to the actual demands of users.
The utility model provides the following technical scheme: the automatic pressure relief device of the safety valve for the hydrogen production equipment comprises a fixed bracket and supporting legs fixedly installed on four sides of the lower end of the fixed bracket, wherein a reaction barrel is fixedly installed on the fixed bracket: the side wall fixed mounting of reaction bucket has pressure release mechanism, pressure release mechanism includes drum one, drum one fixed mounting is in the side wall of reaction bucket, the one sliding connection of drum one has the piston, the one end fixedly connected with slide bar of piston, drum one female screw connection has drum two, slide bar sliding connection is in the drum two, the one end fixed mounting of piston has spring one, the other end of spring one with drum two contacts, spring one cup joints on the slide bar, exhaust assembly is installed to the lateral wall of drum one.
As an alternative scheme of the automatic relief device of the safety valve for the hydrogen production equipment, the utility model comprises the following steps: the exhaust assembly comprises an air outlet pipeline fixedly mounted on one side wall of the cylinder, a sliding block is connected in the air outlet pipeline in a sliding mode, and a second spring is fixedly mounted between the sliding block and the inner wall of the air outlet pipeline.
As an alternative scheme of the automatic relief device of the safety valve for the hydrogen production equipment, the utility model comprises the following steps: one end of the sliding block extends into the cylinder I, and the sliding block can be driven to slide when the piston slides.
As an alternative scheme of the automatic relief device of the safety valve for the hydrogen production equipment, the utility model comprises the following steps: the inner wall of one end of the cylinder I, which is close to the reaction barrel, is fixedly provided with a circular ring.
As an alternative scheme of the automatic relief device of the safety valve for the hydrogen production equipment, the utility model comprises the following steps: the sliding rod is provided with a slot, a clamping block is connected in the slot in a sliding mode, and a spring III is fixedly installed between the clamping block and the slot.
As an alternative scheme of the automatic relief device of the safety valve for the hydrogen production equipment, the utility model comprises the following steps: the clamping groove is formed in the side wall of the second cylinder, the diameter of the clamping groove is the same as that of the grooving, the clamping block is slidably connected in the clamping groove, the sliding groove is formed in the side wall of the second cylinder, and the clamping block is slidably connected in the sliding groove.
As an alternative scheme of the automatic relief device of the safety valve for the hydrogen production equipment, the utility model comprises the following steps: the clamping block can completely slide into the slot, and the sliding of the sliding rod is not affected when the clamping block is positioned in the slot.
As an alternative scheme of the automatic relief device of the safety valve for the hydrogen production equipment, the utility model comprises the following steps: the length of the sliding groove is longer than the distance between the piston and the sliding block.
The utility model has the following beneficial effects:
1. before hydrogen is prepared, the force required by pushing the piston is changed by rotating the cylinder II, when hydrogen is prepared, reactants are firstly added into the reaction barrel, the reactants react to generate hydrogen, the air pressure in the reaction barrel slowly rises, when the reaction barrel is filled with air, the piston is pushed to move outwards by the air, the piston drives the sliding rod to slide outwards along the inner wall of the cylinder I, the spring I is extruded, when the piston slides to the exhaust assembly, the air is discharged from the exhaust assembly, the air pressure in the reaction barrel is reduced to a safe range due to the air discharge pressure, and the effect of adjusting the air pressure can be achieved by rotating the cylinder to adjust the elasticity of the spring I.
2. Under the cooperation of the piston, the first spring, the sliding block and the second spring, the effects of automatic pressure relief and return can be achieved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic overall sectional structure of the present utility model.
Fig. 3 is a schematic diagram of the overall structure of the pressure release mechanism of the present utility model.
Fig. 4 is a schematic cross-sectional view of the pressure release mechanism of the present utility model.
Fig. 5 is an enlarged view of fig. 4 a in accordance with the present utility model.
In the figure: 1. a fixed bracket; 11. support legs; 2. a reaction barrel; 3. a pressure release mechanism; 31. a cylinder I; 32. a second cylinder; 321. a clamping groove; 322. a chute; 33. a slide bar; 331. slotting; 332. a third spring; 333. a clamping block; 34. an exhaust assembly; 341. an air outlet pipe; 342. a slide block; 343. a second spring; 35. a circular ring; 36. a piston; 37. and a first spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, an automatic relief device of a safety valve for a hydrogen production device includes a fixing bracket 1 and supporting legs 11 fixedly installed on four sides of the lower end of the fixing bracket 1, wherein a reaction barrel 2 is fixedly installed on the fixing bracket 1: the side wall of the reaction barrel 2 is fixedly provided with a pressure release mechanism 3, the pressure release mechanism 3 comprises a first cylinder 31, the first cylinder 31 is fixedly arranged on the side wall of the reaction barrel 2, a piston 36 is connected in the first cylinder 31 in a sliding manner, one end of the piston 36 is fixedly connected with a sliding rod 33, a second cylinder 32 is connected in the first cylinder 31 in a threaded manner, the sliding rod 33 is connected in the second cylinder 32 in a sliding manner, one end of the piston 36 is fixedly provided with a first spring 37, the other end of the first spring 37 is contacted with the second cylinder 32, the first spring 37 is sleeved on the sliding rod 33, and the side wall of the first cylinder 31 is provided with an exhaust component 34.
Before hydrogen is prepared, the cylinder two 32 is rotated firstly, the cylinder two 32 moves towards the inner wall of the cylinder one 31 during rotation, at the moment, the spring one 37 is gradually compressed due to the movement of the cylinder two 32, the piston 36 is closer to the reaction barrel 2 due to the pushing of the spring one 37 during the inward movement of the cylinder two 32, the force required for pushing the piston 36 is increased, when hydrogen is prepared, reactants are firstly added into the reaction barrel 2, when the reactants react to generate hydrogen, the air pressure in the reaction barrel 2 is gradually increased, when the reaction barrel 2 is filled with air, the piston 36 is pushed to move outwards by the air, at the moment, the piston 36 drives the slide rod 33 to slide outwards along the inner wall of the cylinder one 31, the spring one 37 is extruded, when the piston 36 slides to the exhaust assembly 34, the air is discharged from the exhaust assembly 34, at the moment, the air pressure in the reaction barrel 2 is reduced to a safe range due to the discharge air pressure of the air, and the elasticity of the spring one 37 can be adjusted through rotating the cylinder 32, so that the effect of adjusting the air pressure can be achieved.
Example 2
Referring to fig. 4-5, the exhaust assembly 34 includes an air outlet pipe 341 fixedly installed on a side wall of the first cylinder 31, a slider 342 is slidably connected in the air outlet pipe 341, and a second spring 343 is fixedly installed between the slider 342 and an inner wall of the air outlet pipe 341.
One end of the slider 342 extends into the cylinder one 31, and the piston 36 slides to drive the slider 342 to slide.
The inner wall of one end of the first cylinder 31, which is close to the reaction barrel 2, is fixedly provided with a circular ring 35.
The provision of the ring 35 serves to prevent the piston 36 from sliding into the interior of the reaction tank 2.
When the piston 36 is pushed by the gas in the reaction barrel 2, the piston 36 slides outwards along the inner wall of the cylinder one 31, the first spring 37 is pushed by the piston 36 to be in a compressed state, when the piston 36 slides to be in contact with the sliding block 342, the piston 36 continues to slide outwards and drives the sliding block 342 to slide in the air outlet pipeline 341, the second spring 343 is pushed by the sliding block 342 to be in a compressed state, when the piston 36 slides to the position, which is close to the reaction barrel 2, of the side, which is aligned with the air outlet pipeline 341, of the piston 36, the piston 36 continues to slide, the reaction barrel 2 is communicated with the outside, the gas rapidly flows outwards from the air outlet pipeline 341, and when the gas pressure in the reaction barrel 2 is reduced to a safe range, the piston 36 is brought back to the original position due to the elasticity of the first spring 37, and when the sliding block 342 is not pushed by the piston 36 any more, the second spring 343 returns the sliding block 342 to the original position.
Example 3
Referring to fig. 2-4, a slot 331 is formed in the sliding rod 33, a clamping block 333 is slidably connected in the slot 331, and a third spring 332 is fixedly installed between the clamping block 333 and the slot 331.
The third spring 332 serves to push the latch 333.
The clamping groove 321 is formed in the side wall of the second cylinder 32, the clamping groove 321 is the same as the groove 331 in diameter, the clamping block 333 is slidably connected in the clamping groove 321, the sliding groove 322 is formed in the side wall of the second cylinder 32, and the clamping block 333 is slidably connected in the sliding groove 322.
The clamping block 333 is clamped between the clamping groove 321 and the slot 331 in the initial state, and has the effect of limiting the movement of the sliding rod 33.
The clamping block 333 can completely slide into the slot 331, and the sliding of the sliding rod 33 is not affected when the clamping block 333 is positioned in the slot 331.
The length of the chute 322 is greater than the distance between the piston 36 and the slider 342.
When the pressure of the pressure relief valve needs to be regulated, the clamping block 333 is pressed to be fully contracted into the sliding rod 33, at the moment, the third spring 332 is compressed, the sliding rod 33 is pulled outwards, when the sliding rod 33 is pulled outwards until the upper end of the clamping block 333 is not extruded by the inner wall of the second cylinder 32 any more, the clamping block 333 is pushed outwards into the sliding groove 322 by the third spring 332, the sliding rod 33 can continue to be pulled outwards along the sliding groove 322, the piston 36 is driven to slide outwards in the process of pulling the sliding rod 33, at the moment, the first spring 37 is continuously compressed in the process of moving the piston 36, after the sliding rod 33 is regulated to a proper distance, the second cylinder 32 is rotated inwards, the second cylinder 32 drives the clamping block 333 to slide inwards, the first spring 37 is pushed to return the piston 36 to the original position in the direction of the reaction barrel 2 by the extrusion of the second cylinder 32, and at the moment, the force required for pushing the piston 36 is larger than the force required for pushing the piston 36 in the initial position, and the pressure regulation of the device is completed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (8)
1. The utility model provides an automatic pressure relief device of relief valve for hydrogen manufacturing equipment, is in including fixed bolster (1) and fixed mounting supporting leg (11) of fixed bolster (1) lower extreme four sides, fixed mounting has reaction bucket (2), its characterized in that on fixed bolster (1): the side wall fixed mounting of reaction bucket (2) has relief mechanism (3), relief mechanism (3) include drum one (31), drum one (31) fixed mounting is in the lateral wall of reaction bucket (2), sliding connection has piston (36) in drum one (31), the one end fixedly connected with slide bar (33) of piston (36), threaded connection has drum two (32) in drum one (31), slide bar (33) sliding connection is in drum two (32), the one end fixed mounting of piston (36) has spring one (37), the other end of spring one (37) with drum two (32) contact, spring one (37) cup joint on slide bar (33), exhaust assembly (34) are installed to the lateral wall of drum one (31).
2. The automatic relief device of a safety valve for a hydrogen plant according to claim 1, wherein: the exhaust assembly (34) comprises an air outlet pipeline (341) fixedly arranged on the side wall of the first cylinder (31), a sliding block (342) is connected in the air outlet pipeline (341) in a sliding mode, and a second spring (343) is fixedly arranged between the sliding block (342) and the inner wall of the air outlet pipeline (341).
3. The automatic relief device of a safety valve for a hydrogen plant according to claim 2, wherein: one end of the sliding block (342) extends into the cylinder I (31), and the sliding block (342) can be driven to slide when the piston (36) slides.
4. An automatic relief device for a safety valve of a hydrogen plant according to claim 3, wherein: the inner wall of one end of the first cylinder (31) close to the reaction barrel (2) is fixedly provided with a circular ring (35).
5. The automatic relief device of a safety valve for a hydrogen plant according to claim 4, wherein: the sliding rod (33) is provided with a slot (331), a clamping block (333) is connected in the slot (331) in a sliding mode, and a spring III (332) is fixedly installed between the clamping block (333) and the slot (331).
6. The automatic relief device of a safety valve for a hydrogen plant according to claim 5, wherein: clamping grooves (321) are formed in the side wall of the second cylinder (32), the diameters of the clamping grooves (321) and the diameters of the grooves (331) are the same, clamping blocks (333) are slidably connected in the clamping grooves (321), sliding grooves (322) are formed in the side wall of the second cylinder (32), and the clamping blocks (333) are slidably connected in the sliding grooves (322).
7. The automatic relief device of a safety valve for a hydrogen plant according to claim 6, wherein: the clamping block (333) can completely slide into the slot (331), and the sliding of the sliding rod (33) is not affected when the clamping block (333) is positioned in the slot (331).
8. The automatic relief device of a safety valve for a hydrogen plant according to claim 7, wherein: the length of the chute (322) is greater than the distance between the piston (36) and the slider (342).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322294051.7U CN220600562U (en) | 2023-08-25 | 2023-08-25 | Automatic relief device of relief valve for hydrogen production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322294051.7U CN220600562U (en) | 2023-08-25 | 2023-08-25 | Automatic relief device of relief valve for hydrogen production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220600562U true CN220600562U (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322294051.7U Active CN220600562U (en) | 2023-08-25 | 2023-08-25 | Automatic relief device of relief valve for hydrogen production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220600562U (en) |
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2023
- 2023-08-25 CN CN202322294051.7U patent/CN220600562U/en active Active
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