CN218709187U - Catalytic reaction start-stop mechanism and hydrogen production reaction assembly - Google Patents
Catalytic reaction start-stop mechanism and hydrogen production reaction assembly Download PDFInfo
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- CN218709187U CN218709187U CN202222608679.5U CN202222608679U CN218709187U CN 218709187 U CN218709187 U CN 218709187U CN 202222608679 U CN202222608679 U CN 202222608679U CN 218709187 U CN218709187 U CN 218709187U
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Abstract
The utility model discloses a catalytic reaction opens stop mechanism and produces hydrogen reaction assembly, catalytic reaction opens stop mechanism and includes the extensible member, the piston cylinder, piston and slide bar, the middle part of piston cylinder one end is equipped with the through-hole, piston seal slidable mounting is in the piston cylinder, the inside cavity of slide bar, and be covered with the punchhole rather than inside lining up on the lateral wall, the inside catalyst granule that is contained of slide bar, the one end of slide bar stretches into to the piston cylinder in through-hole, and be connected with the corresponding end of piston, the other end at the piston cylinder is installed to the extensible member, and its flexible end stretches into to the piston cylinder in and be connected with the other end of piston, the other end of slide bar is equipped with the flanging, the extensible member extension stretches out outside to the piston cylinder with the drive piston, or the flanging that the shrink with the drive piston drive slide bar shrink to its tip offsets and with the piston cylinder and with the through-hole shutoff, a structure is simple, and opening of catalytic reaction can be controlled in a flexible way stops.
Description
Technical Field
The utility model belongs to the hydrogen production equipment field especially relates to a catalytic reaction starts mechanism and produces hydrogen reaction assembly.
Background
Hydrogen energy vehicles are currently in a rapid development stage and mainly comprise two types, namely a hydrogen internal combustion engine vehicle and a hydrogen fuel cell vehicle, wherein hydrogen storage tanks are required for storing hydrogen energy. The high-pressure gas hydrogen storage mode has the advantages of mature technology, simple structure, high hydrogen charging and discharging speed, low cost and energy consumption, is also the main hydrogen storage mode of the current hydrogen energy automobile, and has the defect of larger volume of the hydrogen storage tank. The low-temperature liquid hydrogen storage mode has the advantages of large hydrogen storage density per unit volume, better safety and high hydrogen liquefaction energy consumption, has extremely high requirements on the performance of a low-temperature heat-insulating container, and adopts the hydrogen storage material for hydrogen storage.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the present invention is to provide a catalytic reaction start/stop mechanism with simple structure and capable of flexibly controlling the catalytic reaction start/stop.
In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a catalytic reaction opens and shuts off mechanism, includes extensible member, piston cylinder, piston and slide bar, the middle part of piston cylinder one end is equipped with the through-hole, the sealed slidable mounting of piston is in the piston cylinder, the inside cavity of slide bar, and be covered with the punchhole rather than inside lining up on the lateral wall, the catalyst granule has been contained in the slide bar, the one end warp of slide bar the through-hole stretch into to in the piston cylinder, and with the corresponding end of piston is connected, extensible member installs the other end of piston cylinder, and its flexible end stretch into to in the piston cylinder and with the other end of piston is connected, the other end of slide bar is equipped with the flanging, extensible member extension is in order to drive the piston drives the slide bar stretches out to outside the piston cylinder, or the shrink with the drive the piston drive the flanging of slide bar shrink to its tip with the piston cylinder offsets and will the through-hole shutoff.
The beneficial effects of the above technical scheme are that: so when catalytic reaction needs to be carried out, the slide bar is pushed to extend out of the piston cylinder by the extension part to be in contact with a substrate and carry out catalytic reaction, the piston forms a seal at the moment, when the catalytic reaction needs to be stopped, the telescopic part contracts to enable the slide bar to be accommodated in the piston cylinder, and the flanging abuts against the corresponding end of the piston cylinder to isolate the catalyst from the substrate, namely the catalytic reaction is stopped.
In the technical scheme, the sliding rod is in sealed sliding contact with the hole wall of the through hole.
The beneficial effects of the above technical scheme are that: therefore, the contact part of the sliding rod and the through hole forms a seal.
In the technical scheme, one side of the outward flanging, which is close to the piston cylinder, is provided with the flexible pad.
The beneficial effects of the above technical scheme are that: so when making the flanging with the piston cylinder offsets, by the further sealing performance who promotes between the two of flexible pad.
In the technical scheme, the flexible pad is made of rubber, silica gel or latex.
The beneficial effects of the above technical scheme are that: it has good durability.
In the technical scheme, the telescopic piece is a hydraulic cylinder, a telescopic cylinder or a telescopic electric cylinder.
The beneficial effects of the above technical scheme are that: the driving is convenient, and the control is convenient.
In the technical scheme, the outer side wall of the piston cylinder is also coaxially and convexly provided with a flange ring.
The beneficial effects of the above technical scheme are that: therefore, the catalytic reaction starting mechanism is convenient to install.
The second objective of the utility model is to provide a hydrogen production reaction assembly that can open in a flexible way and stop in hydrogen production reaction.
In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a hydrogen production reaction assembly, includes reation kettle and as above catalytic reaction start-stop mechanism, reation kettle has discharge gate, feed inlet and hydrogen export, just mounting flange has on the reation kettle, the flange ring with mounting flange passes through many bolts and nut and connects, just the direction orientation that stretches out of slide bar in the reation kettle, the feed inlet is used for letting in liquid hydrogen storage material.
The beneficial effects of the above technical scheme are that: through setting up catalytic reaction start-stop mechanism, the start-stop of hydrogen production reaction in the regulation and control reation kettle that can be convenient.
Still include rabbling mechanism and hydrogen storage tank among the above-mentioned technical scheme, the rabbling mechanism is installed on the reation kettle, and its stirring portion is located in the reation kettle, the hydrogen entry of hydrogen storage tank with reation kettle's hydrogen export intercommunication.
The beneficial effects of the above technical scheme are that: therefore, during the hydrogen production reaction, the stirring mechanism is used for stirring so as to ensure that the substrate is fully contacted with the catalyst, and simultaneously, the hydrogen generated in the reaction kettle can be stored in the hydrogen storage tank for later use.
In the technical scheme, the catalytic reaction start-stop mechanism is provided with a plurality of, a plurality of mounting flanges and a plurality of are arranged on the reaction kettle, the mounting flanges correspond to the catalytic reaction start-stop mechanism one by one, and each catalytic reaction start-stop mechanism is arranged at the corresponding mounting flange.
The beneficial effects of the above technical scheme are that: therefore, a plurality of catalytic reaction starting mechanisms can be used for catalyzing the substrate simultaneously, so that the catalytic reaction efficiency is improved.
In the technical scheme, the hydrogen storage tank and the reaction kettle are integrally formed.
The beneficial effects of the above technical scheme are that: so that the structure of the whole hydrogen production reaction assembly is more compact.
Drawings
FIG. 1 is a schematic view of a catalytic reaction start-stop mechanism according to embodiment 1 of the present invention;
fig. 2 is a schematic view of the detachable connection between the slide rod and the piston according to embodiment 1 of the present invention;
FIG. 3 is a schematic view of the hydrogen production reaction assembly of embodiment 2 of the present invention.
In the figure: the device comprises a catalytic reaction start-stop mechanism 1, a telescopic piece 11, a piston cylinder 12, a piston 13, a slide rod 14, a 141 eyelet, a 142 flanging, a 143 flexible pad, a flange ring 15, a reaction kettle 2, a mounting flange 21, a stirring mechanism 22, a hydrogen outlet 23, a discharge hole 24, a feed hole 25, a hydrogen storage tank 3, a hydrogen inlet 31 and a hydrogen discharge hole 32.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Example 1
As shown in fig. 1, this embodiment provides a catalytic reaction start and stop mechanism, which includes a telescopic member 11, a piston cylinder 12, a piston 13, and a sliding rod 14, wherein a through hole is formed in a middle portion of one end of the piston cylinder 12, the piston 13 is installed in the piston cylinder 12 in a sealing and sliding manner, a hollow interior of the sliding rod 14 is filled with an eyelet 141 penetrating through the interior thereof, catalyst particles are contained in the sliding rod 14, one end of the sliding rod 14 extends into the piston cylinder 12 through the through hole and is connected with a corresponding end of the piston 13, the telescopic member 11 is installed at the other end of the piston cylinder 12, and a telescopic end thereof extends into the piston cylinder 12 and is connected with the other end of the piston 13, a flanging 142 is provided at the other end of the sliding rod 14, the telescopic member 11 extends to drive the piston 13 to drive the sliding rod 14 to extend out of the piston cylinder 12, or contracts to drive the piston 13 to drive the flanging 142 to contract the end of the sliding rod 14 to abut against the piston cylinder 12 and seal the through hole, so that when a catalytic reaction is required, the piston cylinder extends to contact the piston to the piston cylinder and the piston is retracted to stop the catalytic reaction, the piston rod and the piston cylinder is sealed and isolated from the piston cylinder.
In the technical scheme, the sliding rod 14 is in sealed sliding contact with the hole wall of the through hole, so that the contact part of the sliding rod and the through hole forms a seal.
In the above technical scheme, a flexible pad 143 is arranged on one side of the outward flanging 142 close to the piston cylinder 12, so that when the outward flanging abuts against the piston cylinder, the sealing performance between the outward flanging and the piston cylinder is further improved by the flexible pad.
In the above technical solution, the flexible pad 143 is made of rubber, silica gel or latex, and has good durability.
In the above technical scheme, the telescopic part 11 is a hydraulic cylinder, a telescopic cylinder or a telescopic electric cylinder, and is convenient to drive and control.
In the technical scheme, the outer side wall of the piston cylinder 12 is also coaxially and convexly provided with the flange ring 15, so that the catalytic reaction start-stop mechanism is convenient to install.
As shown in fig. 2, in order to facilitate replacement of the catalyst, the slide rod may be detachably connected to the piston, an opening is formed at one end of the slide rod connected to the piston, the open end of the slide rod is plugged by the piston after the slide rod is connected to the piston, and the detachable connection between the slide rod and the piston is specifically as follows: the middle part of the piston, which is close to one end of the through hole, is concavely provided with a threaded hole (the threaded hole does not penetrate through the piston), one end of the sliding rod, which is deviated from the flanging, is provided with an external thread matched with the threaded hole, and at the moment, the threaded end of the sliding rod can extend into the piston cylinder through the through hole and is in threaded connection with the threaded hole in the middle part of the piston.
Preferably, in order to avoid the catalyst particles in the slide bar from leaking out through the holes, a filter cup supported by a steel wire mesh can be accommodated in the slide bar, the open end of the filter cup is flush with the open end of the slide bar, and the size of the filter holes of the filter cup meets the requirement that the catalyst particles do not leak out.
Example 2
As shown in fig. 3, a hydrogen production reaction assembly includes a reaction kettle 2 and a catalytic reaction start-stop mechanism 1 as described in example 1, where the reaction kettle 2 has a discharge port, a feed port and a hydrogen outlet, the reaction kettle 2 is provided with a mounting flange 21, the flange ring 15 is connected to the mounting flange 21 through a plurality of bolts and nuts, the extending direction of the slide rod 14 faces the inside of the reaction kettle 2, and the feed port is used for introducing a liquid hydrogen storage material, so that the catalytic reaction start-stop mechanism can conveniently regulate and control the start-stop of the hydrogen production reaction in the reaction kettle. Preferably, the catalyst is a noble metal catalyst such as platinum and palladium or a non-noble metal catalyst such as nickel, copper and cobalt, which can catalyze the hydrolytic dehydrogenation of ammonia borane at normal temperature. Specifically, the liquid hydrogen storage material is a saturated solution of ammonia borane, and the catalyst is PtNi/P-X, wherein X can be TiO 2 And (3) a carrier.
Still include among the above-mentioned technical scheme rabbling mechanism 22 and hydrogen storage tank 3, rabbling mechanism 22 is installed on reation kettle 2, and its stirring position is located in reation kettle 2, hydrogen inlet of hydrogen storage tank 3 with reation kettle 2's hydrogen outlet intercommunication, so when hydrogen production reaction stir by the rabbling mechanism so that substrate and catalyst fully contact to make its hydrogen production reaction rate higher, hydrogen storage tank can store the hydrogen that reation kettle produced in addition.
Among the above-mentioned technical scheme catalytic reaction start-stop mechanism 1 is equipped with a plurality ofly, reation kettle 2 is last to have a plurality of mounting flange 21, and is a plurality of mounting flange 21 and a plurality of catalytic reaction start-stop mechanism 1 one-to-one, every catalytic reaction start-stop mechanism 1 installs and corresponds mounting flange 21 department so can start the mechanism by a plurality of catalytic reactions and catalyze the substrate simultaneously to improve catalytic reaction efficiency.
In the technical scheme, the hydrogen storage tank 3 and the reaction kettle 2 are integrally formed, so that the structure of the whole hydrogen production reaction assembly is more compact. Preferably, the hydrogen storage tank sets up reation kettle's side, just reation kettle's hydrogen export 23 sets up in reation kettle's upper end, reation kettle's discharge gate 24 sets up reation kettle's lower extreme, reation kettle's feed inlet 25 sets up the upper end of reation kettle lateral wall, catalytic reaction starts stop mechanism 1 and can set up on reation kettle's the lateral wall, hydrogen entry 31 also sets up the upper end of hydrogen storage tank, the hydrogen storage tank still has hydrogen discharge mouth 32, just hydrogen discharge mouth 32 also sets up the upper end of hydrogen storage tank. After the liquid hydrogen storage materials added into the reaction kettle at each time are fully reacted, the liquid hydrogen storage materials can be discharged through the discharge hole (valves can be additionally arranged at the feed hole and the discharge hole).
Preferably, the hydrogen storage tank may further include a hydrogen inlet (and valves are disposed at the hydrogen inlet, and the hydrogen outlet of the hydrogen storage tank), gaseous hydrogen may be injected through the hydrogen inlet (i.e., compressed hydrogen of 35MPa or 70MPa injected by the existing hydrogen station) to be stored in the hydrogen storage tank (the valves at the hydrogen inlet and the hydrogen outlet are both closed), after the injection is completed, the valve at the hydrogen inlet is closed, when hydrogen is needed, the hydrogen outlet is opened, until the hydrogen in the hydrogen storage tank is used up or the residual amount is not large, the reactor may be started to perform catalytic reaction to produce hydrogen, and the valve at the hydrogen inlet of the hydrogen storage tank is opened, so that hydrogen produced by the reactor is discharged into the hydrogen storage tank, so that the whole hydrogen production reaction assembly may be similar to an "extended range power station", that gaseous hydrogen is first stored in the hydrogen storage tank and supplied to hydrogen, and when hydrogen in the hydrogen storage tank is insufficient, the reactor is used to produce hydrogen to perform supplementary supply (equivalent to a power assembly of an existing hybrid vehicle, which is first powered by a battery pack to run, and when the battery pack is insufficient, the engine is started to generate electricity).
It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
Also, when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For ease of description, spatially relative terms, such as "on," "over," "on top of," "above," and the like, may be used herein to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above" may include both an orientation of "above" and "below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The catalytic reaction start and stop mechanism is characterized by comprising a telescopic piece (11), a piston cylinder (12), a piston (13) and a sliding rod (14), wherein a through hole is formed in the middle of one end of the piston cylinder (12), the piston (13) is installed in the piston cylinder (12) in a sealing and sliding mode, a hole (141) which is communicated with the inside of the sliding rod (14) is formed in the hollow inner side of the sliding rod (14), catalyst particles are contained in the sliding rod (14), one end of the sliding rod (14) extends into the piston cylinder (12) through the through hole and is connected with the corresponding end of the piston (13), the telescopic piece (11) is installed at the other end of the piston cylinder (12), the telescopic end of the telescopic piece extends into the piston cylinder (12) and is connected with the other end of the piston (13), a flanging (142) is arranged at the other end of the sliding rod (14), and the telescopic piece (11) extends to drive the piston (13) to drive the sliding rod (14) to extend out of the piston cylinder (12) or contracts to drive the piston (13) to contract to drive the flanging of the end of the sliding rod (14) to abut against the end of the piston cylinder (12).
2. A catalytic reaction start and stop mechanism according to claim 1, wherein the slide rod (14) is in sealing sliding contact with the wall of the through hole.
3. The catalytic reaction start and stop mechanism according to claim 1, wherein a side of the flanging (142) close to the piston cylinder (12) is provided with a flexible gasket (143).
4. The catalytic reaction start-stop mechanism according to claim 3, wherein the flexible pad (143) is made of rubber, silicone or latex.
5. The catalytic reaction start and stop mechanism according to claim 1, wherein the telescopic member (11) is a hydraulic cylinder, a telescopic cylinder or a telescopic electric cylinder.
6. A catalytic reaction start and stop mechanism according to any one of claims 1 to 5, characterized in that a flange ring (15) is further coaxially and convexly arranged on the outer side wall of the piston cylinder (12).
7. A hydrogen production reaction assembly, characterized by comprising a reaction kettle (2) and the catalytic reaction start-stop mechanism (1) as claimed in claim 6, wherein the reaction kettle (2) is provided with a discharge hole (24), a feed hole (25) and a hydrogen outlet (23), the reaction kettle (2) is provided with a mounting flange (21), the flange ring (15) is connected with the mounting flange (21) through a plurality of bolts and nuts, the extending direction of the sliding rod (14) faces to the inside of the reaction kettle (2), and the feed hole (25) is used for introducing liquid hydrogen storage substances.
8. The hydrogen-production reaction assembly according to claim 7, further comprising a stirring mechanism (22) and a hydrogen storage tank (3), wherein the stirring mechanism (22) is installed on the reaction kettle (2), the stirring part of the stirring mechanism is located in the reaction kettle (2), and a hydrogen inlet of the hydrogen storage tank (3) is communicated with a hydrogen outlet of the reaction kettle (2).
9. The hydrogen production reaction assembly according to claim 7, wherein a plurality of catalytic reaction start and stop mechanisms (1) are provided, the reaction kettle (2) is provided with a plurality of mounting flanges (21), the mounting flanges (21) correspond to the catalytic reaction start and stop mechanisms (1) one by one, and each catalytic reaction start and stop mechanism (1) is installed at the corresponding mounting flange (21).
10. The hydrogen-production reaction assembly according to claim 8, wherein the hydrogen storage tank (3) is integrally formed with the reaction kettle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222608679.5U CN218709187U (en) | 2022-09-30 | 2022-09-30 | Catalytic reaction start-stop mechanism and hydrogen production reaction assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222608679.5U CN218709187U (en) | 2022-09-30 | 2022-09-30 | Catalytic reaction start-stop mechanism and hydrogen production reaction assembly |
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| CN218709187U true CN218709187U (en) | 2023-03-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117619281A (en) * | 2024-01-26 | 2024-03-01 | 宝鸡市六维特种材料设备制造有限公司 | Reaction kettle reaction device |
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2022
- 2022-09-30 CN CN202222608679.5U patent/CN218709187U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117619281A (en) * | 2024-01-26 | 2024-03-01 | 宝鸡市六维特种材料设备制造有限公司 | Reaction kettle reaction device |
| CN117619281B (en) * | 2024-01-26 | 2024-04-05 | 宝鸡市六维特种材料设备制造有限公司 | Reaction kettle reaction device |
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