CN117288006A - Magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger - Google Patents

Magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger Download PDF

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Publication number
CN117288006A
CN117288006A CN202311432445.2A CN202311432445A CN117288006A CN 117288006 A CN117288006 A CN 117288006A CN 202311432445 A CN202311432445 A CN 202311432445A CN 117288006 A CN117288006 A CN 117288006A
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CN
China
Prior art keywords
groove
fixed
magnesium
sliding
hydrogen storage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311432445.2A
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Chinese (zh)
Inventor
王为术
陈贤志
王苗佳
刘兵银
徐维晖
王钦宝
王杰
李龙
李帅龙
王雨正
闻猛
张向薪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Mg Power Technology Co ltd
North China University of Water Resources and Electric Power
Original Assignee
Shanghai Mg Power Technology Co ltd
North China University of Water Resources and Electric Power
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Mg Power Technology Co ltd, North China University of Water Resources and Electric Power filed Critical Shanghai Mg Power Technology Co ltd
Priority to CN202311432445.2A priority Critical patent/CN117288006A/en
Publication of CN117288006A publication Critical patent/CN117288006A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007—Auxiliary supports for elements
    • F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

The invention relates to the technical field of shell-and-tube heat exchangers, and discloses a magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger, which comprises a reaction unit, wherein the reaction unit comprises an outer cylinder, bolts arranged at two ends of the outer cylinder, and a rear sealing cover and a front sealing cover which are fixed at two ends of the outer cylinder through bolts; the storage unit comprises a baffle rod fixed in the outer cylinder, a plurality of baffle plates fixed in the inner ring of the baffle rod in a staggered manner, fixed tube plates arranged at two ends of the baffle rod and a plurality of heat exchange tube bundles arranged in the baffle rod. The invention has the beneficial effects that the magnesium-based hydrogen storage material can be conveniently filled and replaced through the arrangement of the mounting unit, the air tightness of the device can be ensured through the clamping of the second clamping plate and the first clamping plate, the sealing effect of the device is realized, the operation of the fixing component can be realized through the control of the power component, and meanwhile, the cover plate can be mounted and dismounted through the cooperation of the power component and the control component.

Description

Magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger
Technical Field
The invention relates to the technical field of shell-and-tube heat exchangers, in particular to a magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger.
Background
Solid-state hydrogen storage is a popular research object in the current hydrogen storage field, and the gravity center of the solid-state hydrogen storage is biased to research of hydrogen storage materials. During the research, magnesium-based hydrogen storage materials are in the field of view, and the magnesium-based hydrogen storage materials have the advantages of other materials, namely high volume hydrogen content, wide sources and the like, and are one of hot spot materials in current research.
In the prior art, when the magnesium-based hydrogen storage material is filled and replaced, the flange joint is required to be opened, so that the magnesium-based hydrogen storage material is inconvenient to fill and replace, the time of workers is wasted, and the working efficiency is reduced.
Disclosure of Invention
Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The invention aims to provide a magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger which can solve the problem that filling and replacement of magnesium-based hydrogen storage materials are inconvenient.
In order to solve the technical problems, the invention provides the following technical scheme: the magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger comprises a reaction unit, wherein the reaction unit comprises an outer cylinder, bolts arranged at two ends of the outer cylinder, and a rear sealing cover and a front sealing cover which are fixed at two ends of the outer cylinder through the bolts; the storage unit comprises a baffle rod fixed in the outer cylinder, a plurality of baffle plates fixed in the inner ring of the baffle rod in a staggered manner, fixed tube plates arranged at two ends of the baffle rod and a plurality of heat exchange tube bundles arranged in the baffle rod; the mounting unit comprises a cover plate arranged on one side of the front cover plate, a four-way pipe fixed in the center of the cover plate, four control components arranged on one side of the cover plate and a power component arranged in the control components; four second clamping plates are uniformly and fixedly connected to the outer ring of the cover plate, and a fixing assembly is arranged in each second clamping plate; the control assembly comprises a sixth groove formed in one side of the cover plate, a first sliding groove formed in two side walls of the sixth groove, a fixed cylinder fixed on one side of the cover plate, a clamping plate fixed on the inner ring of the fixed cylinder and a moving block arranged on one side of the clamping plate; the power assembly comprises four pushing blocks, a connecting rod fixed at one end of each pushing block and two sliding rods arranged on the outer ring of the connecting rod, wherein the two connecting rods are fixedly connected through a fixing rod, and a limiting part is arranged in the fixing rod.
As a preferable scheme of the magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger, the invention comprises the following steps: one side of the outer barrel is fixedly connected with two supporting frames, and the outer ring of the outer barrel is provided with a high-temperature steam inlet and a high-temperature steam outlet.
As a preferable scheme of the magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger, the invention comprises the following steps: the front sealing cover is characterized in that a first groove is formed in one side of the front sealing cover, four first clamping plates are fixedly connected to the inner wall of the first groove, the first clamping plates are matched with the second clamping plates in a clamping mode, four slots are formed in the inner wall of the first groove, and a second groove is formed in one side of the first groove.
As a preferable scheme of the magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger, the invention comprises the following steps: the heat exchange tube bundles are arranged in the baffle plates, and the fixed tube plates are movably sleeved at two ends of the baffle rods.
As a preferable scheme of the magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger, the invention comprises the following steps: the second clamping plate is provided with a fourth groove, one side of the fourth groove is provided with a fifth groove, the fifth groove is matched with the pushing block, and the fixing assembly is arranged in the fourth groove.
As a preferable scheme of the magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger, the invention comprises the following steps: the fixing component comprises a third groove arranged on one side of the fourth groove, a first spring arranged in the third groove and a plugboard sliding on the fourth groove, wherein a through groove is formed in the plugboard, the through groove is in sliding fit with the pushing block, and two ends of the first spring are respectively fixed on one side of the third groove and one side of the plugboard.
As a preferable scheme of the magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger, the invention comprises the following steps: the sixth groove is communicated with the fourth groove, one side of the clamping plate, which is close to the moving block, and the inner wall of the fixed cylinder form a placement space, one side of the moving block is matched with the placement space, and two sides of the first sliding groove are respectively provided with a second sliding groove and a third sliding groove.
As a preferable scheme of the magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger, the invention comprises the following steps: four fourth sliding grooves are formed in the inner ring of the fixed cylinder, a seventh groove is formed in one side of the fourth sliding groove, a second spring is arranged in the seventh groove, a first sliding block is connected in the fourth sliding groove in a sliding mode, the first sliding block is fixed to one side of the moving block, and two ends of the second spring are respectively fixed to one side of the first sliding block and one side of the seventh groove.
As a preferable scheme of the magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger, the invention comprises the following steps: the limiting piece comprises two eighth grooves formed in the fixing rod, a fifth sliding groove formed in the two side walls of the eighth grooves, a third spring arranged in the eighth grooves and a clamping block sliding in the eighth grooves, wherein the two ends of the clamping block are fixedly connected with second sliding blocks, the second sliding blocks are in sliding fit with the fifth sliding grooves, and the two ends of the third spring are respectively fixed on one side of the eighth grooves and one side of the clamping block.
As a preferable scheme of the magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger, the invention comprises the following steps: the connecting rod slides in the sixth recess, dead lever and fixed section of thick bamboo looks adaptation, fixture block and cardboard, movable block cooperation use, the slide bar uses with first spout cooperation.
The invention has the beneficial effects that: according to the invention, through the arrangement of the mounting unit, the magnesium-based hydrogen storage material can be conveniently filled and replaced, the air tightness of the device can be ensured through the clamping of the second clamping plate and the first clamping plate, the sealing effect of the device is realized, the operation of the fixing component can be realized through the control of the power component, and meanwhile, the cover plate can be mounted and dismounted through the cooperation of the power component, so that the cover plate is prevented from rotating after the mounting is finished.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic diagram of a solid-state hydrogen storage shell-and-tube heat exchanger based on magnesium.
FIG. 2 is a schematic diagram of a portion of a magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger.
Fig. 3 is a schematic structural view of the front cover.
Fig. 4 is a schematic structural view of the storage unit.
Fig. 5 is a schematic structural view of the mounting unit.
Fig. 6 is a schematic cross-sectional structure of the mounting unit.
Fig. 7 is a schematic view of a partially cut-away structure of the mounting unit.
Fig. 8 is an enlarged schematic view of fig. 7 at a.
Fig. 9 is an enlarged schematic view of the structure at B in fig. 8.
Fig. 10 is a schematic diagram of the power assembly.
FIG. 11 is a schematic cross-sectional structural view of a power assembly.
Fig. 12 is an enlarged schematic view of the structure at C in fig. 11.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 5, a first embodiment of the present invention provides a magnesium-based solid hydrogen storage shell-and-tube heat exchanger, which comprises a reaction unit 100, wherein the reaction unit 100 comprises an outer tube 101, bolts 104 arranged at two ends of the outer tube 101, and a rear cover 102 and a front cover 103 fixed at two ends of the outer tube 101 through the bolts 104; the storage unit 200, the storage unit 200 comprises a baffle rod 201 fixed in the outer cylinder 101, a plurality of baffle plates 202 fixed on the inner ring of the baffle rod 201 in a staggered manner, fixed tube plates 203 arranged at two ends of the baffle rod 201 and a plurality of heat exchange tube bundles 204 arranged in the baffle rod 201; the installation unit 300, the installation unit 300 is including setting up the apron 301 in preceding closing cap 103 one side, be fixed in the four-way pipe 302 in apron 301 center, set up four control module 303 and install the power module 304 in control module 303 in apron 301 one side, through the setting of installation unit 300, can carry out sealed processing to preceding closing cap 103, also make things convenient for the staff to the packing and the replacement of magnesium-based hydrogen storage material simultaneously.
When the sealing device is used, the installation of the cover plate 301 can be controlled through the operation of the power assembly 304, meanwhile, the movement of the plug plate 301b-1 can be realized through the power assembly 304, the limit of the cover plate 301 is realized, the stability of the cover plate 301 after the installation is ensured, and the sealing effect on the outer cylinder 101 is realized.
Example 2
Referring to fig. 2 to 4, a second embodiment of the present invention is different from the first embodiment in that: the device is characterized by further comprising two supporting frames 101a fixedly connected to one side of the outer barrel 101, a high-temperature steam inlet 101b and a high-temperature steam outlet 101c are arranged on the outer ring of the outer barrel 101, the device can be supported through the supporting frames 101a, and high-temperature steam can enter and flow out through the high-temperature steam inlet 101b and the high-temperature steam outlet 101 c.
Specifically, the first recess 103a has been seted up to one side of preceding closing cap 103, and the inner wall fixedly connected with of first recess 103a four first card plates 103b, and first card plate 103b and the cooperation of second card plate 301a block, four slot 103d have been seted up to the inner wall of first recess 103a, and the second recess 103c has been seted up to one side of first recess 103a, and apron 301 and second recess 103c contact surface all are provided with the sealing washer, can guarantee its leakproofness after the contact.
Specifically, the heat exchange tube bundle 204 is disposed in the baffle plate 202, the fixed tube plates 203 are movably sleeved at two ends of the baffle rod 201, the fixing and supporting of the heat exchange tube bundle 204 can be ensured through the arrangement of the baffle plate 202 and the fixed tube plates 203, and the fixed tube plates 203 can fix and support two ends of the heat exchange tube bundle 204.
When the device is used, except the device, the used device further comprises a high-temperature steam storage tank, a hydrogen storage tank, a driving pump, a waste heat treatment device, a cooling device, a vacuum pump, various stop valves, flow meters and thermocouples which are used for preparing and preserving heat, the device is not described in detail in the prior art, the high-temperature steam introduced through the high-temperature steam inlet 101b can assist in heating the magnesium-based hydrogen storage material filled in the heat exchange tube bundle 204, the heat exchange tube bundle 204 can be uniformly heated by the arrangement of the baffle rods 201, and the relevant heat preservation layer is arranged on the contact part of the components in the device and the air.
Example 3
Referring to fig. 5 to 12, in a third embodiment of the present invention, the first two embodiments are based on the first two embodiments, and further include four second clamping plates 301a uniformly and fixedly connected to an outer ring of the cover plate 301, and fixing assemblies 301b are disposed in the second clamping plates 301 a; the control unit 303 comprises a sixth groove 303a formed on one side of the cover plate 301, a first chute 303b formed on two side walls of the sixth groove 303a, a fixed cylinder 303c fixed on one side of the cover plate 301, a clamping plate 303d fixed on the inner ring of the fixed cylinder 303c, and a moving block 303i arranged on one side of the clamping plate 303 d; the power component 304 includes four ejector pins 304a, be fixed in the connecting rod 304b of ejector pin 304a one end and set up in two slide bars 304e of connecting rod 304b outer lane, two connecting rods 304b pass through dead lever 304c fixed connection, be provided with locating part 304d in the dead lever 304c, through the block of second clamping plate 301a with first clamping plate 103b, can realize the sealing to preceding closing cap 103 one side, control fixed component 301b through power component 304, can realize the spacing to apron 301 pivoted, prevent that it from independently taking place to rotate, lead to the sealed inefficacy condition of device.
Specifically, the second clamping plate 301a is provided with a fourth groove 301c, one side of the fourth groove 301c is provided with a fifth groove 301d, the fifth groove 301d is matched with the pushing block 304a, the fixing component 301b is installed in the fourth groove 301c, a placement environment can be provided for the fixing component 301b through the fourth groove 301c, normal sliding of the inserting plate 301b-1 is guaranteed, an elastic pad is placed in the fifth groove 301d, and small-range movement of the pushing block 304a in the fifth groove 301d can be guaranteed.
Specifically, the fixing assembly 301b includes a third groove 301b-3 disposed on one side of the fourth groove 301c, a first spring 301b-4 disposed in the third groove 301b-3, and a board 301b-1 sliding in the fourth groove 301c, where the board 301b-1 is provided with a through groove 301b-2, the through groove 301b-2 is slidably matched with the pushing block 304a, two ends of the first spring 301b-4 are respectively fixed on one side of the third groove 301b-3 and one side of the board 301b-1, and under the action of the first spring 301b-4, after the force applied to the board 301b-1 by the pushing block 304a disappears, the board 301b-1 can be driven to return to the original position, and the rotation limit of the cover 301 can be quickly released.
Specifically, the sixth groove 303a is communicated with the fourth groove 301c, a placing space is formed by one side, close to the moving block 303i, of the clamping plate 303d and the inner wall of the fixed cylinder 303c, one side, close to the moving block 303i, of the placing space is matched with the placing space, two sides of the first sliding groove 303b are respectively provided with the second sliding groove 303b-1 and the third sliding groove 303b-2, through the matching action of the placing space and the moving block 303i, the limit action of the clamping plate 303d on the clamping block 304d-4 can be smoothly released when the limiting piece 304d is moved, the second sliding groove 303b-1 is arranged to ensure that the inserting plate 301b-1 is smoothly controlled through the power assembly 304, the third sliding groove 303b-2 is used to smoothly lift the cover plate 301 through the fixed rod 304c, in the process of being lifted again, the function diversification is realized, and the third sliding groove 303b-2 is arranged to prevent the cover plate 301 from being lifted or taken down, and the sliding rod 301b-1 from being moved when the cover plate 301 is prevented from being pulled out of the third sliding groove 303 b-2.
Specifically, four fourth sliding grooves 303e are formed in the inner ring of the fixed cylinder 303c, a seventh groove 303f is formed in one side of the fourth sliding groove 303e, a second spring 303g is arranged in the seventh groove 303f, a first sliding block 303h is connected in the fourth sliding groove 303e in a sliding mode, the first sliding block 303h is fixed on one side of the moving block 303i, two ends of the second spring 303g are respectively fixed on one side of the first sliding block 303h and one side of the seventh groove 303f, the moving block 303i can be supported through the arrangement of the second spring 303g, smooth limiting of the clamping block 304d-4 through the clamping plate 303d is guaranteed, movement of the inserting plate 301b-1 is achieved, and therefore limiting of rotation of the cover plate 301 is achieved.
Specifically, the limiting member 304d includes two eighth grooves 304d-1 formed in the fixing rod 304c, a fifth sliding groove 304d-2 formed in two side walls of the eighth grooves 304d-1, a third spring 304d-3 formed in the eighth grooves 304d-1, and a clamping block 304d-4 sliding in the eighth grooves 304d-1, wherein two ends of the clamping block 304d-4 are fixedly connected with a second sliding block 304d-5, the second sliding block 304d-5 is in sliding fit with the fifth sliding groove 304d-2, two ends of the third spring 304d-3 are respectively fixed on one side of the eighth grooves 304d-1 and one side of the clamping block 304d-4, the clamping block 304d-4 can be driven to move by pulling the fixing rod 304c, limiting of the fixing rod 304c is realized by combining with the clamping plate 303d, the plug board 301b-1 is driven to be inserted into the slot 103d by movement of the pushing block 304a, limiting of the rotation of the cover board 301b-1 can be realized, and the stable extraction of the plug board 301b-1 from the slot 103d can be ensured.
Specifically, the connecting rod 304b slides in the sixth groove 303a, the fixing rod 304c is matched with the fixing cylinder 303c, the clamping block 304d-4 is matched with the clamping plate 303d and the moving block 303i, the sliding rod 304e is matched with the first sliding groove 303b, the sliding rod 304e is rotationally connected with the connecting rod 304b through a bearing, smooth sliding of the sliding rod 304e in the first sliding groove 303b can be ensured, the fixing rod 304c is firstly pressed downwards through sliding fit of the sliding rod 304e and the first sliding groove 303b, at this time, the fixing rod 304c drives the connecting rod 304b to move, the movement of the connecting rod 304b drives the sliding rod 304e to move, and at this time, the connecting rod 304b moves according to the track of the first sliding groove 303 b.
When the magnesium-based hydrogen storage material is needed to be filled and replaced, the cover plate 301 is taken down, the clamping block 304d-4 and the clamping plate 303d are in a clamping state, the fixing rod 304c is pulled, the fixing rod 304c moves to drive the clamping block 304d-4 to move, when the clamping block 304d-4 contacts the moving block 303i, the clamping block 304d-4 moves to the eighth groove 304d-1, when the clamping block 304d-4 moves to the other side of the moving block 303i, the original position is restored, the fixing rod 304c is pressed downwards, the moving of the fixing rod 304c drives the moving block 303i to move due to the fact that the stiffness coefficient of the third spring 304d-3 is larger than that of the second spring 303g, the second spring 303g is compressed, when the moving block 303i moves into the placing space of the clamping plate 303d, the moving block 303i does not move downwards, the clamping block 304d-4 continues to move to the eighth groove 304d-1, the clamping block 304d-4 can be completely clamped with the second spring 303g, and the sliding rod 303e can be restored to the original position of the second spring 303g, and the sliding rod 303e can slide on the second sliding position of the sliding block 303 b.
When the clamping is released, the pushing block 304a also moves towards the fifth groove 301d, because the action of the first spring 301b-4 drives the plugboard 301b-1 to enter the fourth groove 301c, the limit of the cover board 301 is released, the sliding rod 304e moves to the third sliding groove 303b-2 through the track of the first sliding groove 303b in the process of pressing the fixing rod 304c, the sliding rod 304e enters the third sliding groove 303b-2 through the action of the elastic pad in the fifth groove 301d, then the cover board 301 is rotated and pulled, the cover board 301 is removed, and at the moment, the magnesium-based hydrogen storage material in the heat exchange tube bundle 204 can be filled and replaced, and when the heat exchange tube bundle 204 needs to be installed, only the reverse operation is needed according to the steps.
In summary, before the hydrogen storage process, the magnesium-based hydrogen storage material needs to be activated, namely, a vacuum pump is utilized to pump air from the four-way pipe 302, a vacuum environment is created for the outer cylinder 101, a hydrogen pipeline is connected to charge hydrogen into the outer cylinder 101, a pressure measuring instrument is utilized to pay attention to pressure change in the inner part of the outer cylinder 101 at any time, when the pressure measuring instrument reaches about 1.2MPa, a high-temperature steam storage tank stop valve and a driving pump are opened, high-temperature steam enters the inner part of the outer cylinder 101 from a high-temperature steam inlet 101b to perform related work, after heat exchange is completed, a waste heat utilization pipeline is connected to cool the magnesium-based hydrogen storage material and then to be introduced into a high-temperature steam storage tank for recycling, because the initial condition of hydrogen discharge is severe, the magnesium-based hydrogen storage material needs to be subjected to auxiliary heating, a thermocouple thermometer is utilized to monitor the temperature of a reaction bed body, when the temperature of the magnesium-based hydrogen storage material reaches about 600K, the high-temperature steam storage tank stop valve and the driving pump are opened, the high-temperature steam is heated to 780K or so by using the heater, then the high-temperature steam is introduced into the outer cylinder 101 through the high-temperature steam inlet 101b to participate in heat exchange, the auxiliary heating of the heating rod is stopped, after the reaction is carried out for a period of time, the empty hydrogen storage tank is connected, the internal pressure change of the reaction bed body is observed, the high-temperature steam participating in heat exchange is cooled to 500K or so after the waste heat is utilized, the high-temperature steam is introduced into the high-temperature steam storage tank to be recycled, the generated hydrogen is output through the four-way pipe 302, when the magnesium-based hydrogen storage material is required to be filled and replaced, the device is firstly stopped, then the cover plate 301 is taken down, the clamping block 304d-4 and the clamping plate 303d are in a clamping state, the fixing rod 304c is pulled, the movement of the fixing rod 304c drives the clamping block 304d-4 to move through the action of the third spring 304d-3, the clamp block 304d-4 will move to the other side of the moving block 303i, the fixed rod 304c will be pressed down in the above process, since the stiffness coefficient of the third spring 304d-3 is larger than that of the second spring 303g, the moving of the fixed rod 304c will drive the moving block 303i to move, when the moving block 303i moves into the space where the clamping plate 303d is placed, the clamping release of the clamp block 304d-4 and the clamping plate 303d can be completed by continuing to press the fixed rod 304c, because the second spring 303g acts on the moving block 303i, the slide bar 304e will slide in the second slide groove 303b-1 in the above process, when the clamping is released, the fixed rod 304c will be continuously pressed down, the push block 304a will also move into the fifth groove 301d, because the action of the first spring 301b-4 will drive the inserting plate 301b-1 to enter the fourth groove 301c, the limit of the cover plate 301 is released, the process of pressing the fixed rod 304c will move to the third slide groove 303b-2 through the track of the first slide groove 303b, the slide bar 304e will move to the fifth slide groove 303b-2, and then the heat pipe 301b will be replaced by the fifth slide groove 301b-1, and the heat pipe 301b will be replaced by the heat pipe, and the heat pipe 301b will be replaced when the heat pipe is needed to be replaced by the following the reverse operation, and the process, the step of the heat pipe is needed to be replaced by the following the fifth slide bar 301b, and the process, and the heat pipe is replaced by the heat pipe 301b and the heat pipe
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims (10)

1. A magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger is characterized in that: comprising the steps of (a) a step of,
the reaction unit (100), the reaction unit (100) comprises an outer cylinder (101), bolts (104) arranged at two ends of the outer cylinder (101), and a rear sealing cover (102) and a front sealing cover (103) which are fixed at two ends of the outer cylinder (101) through the bolts (104);
the storage unit (200) comprises a baffle rod (201) fixed in the outer cylinder (101), a plurality of baffle plates (202) fixed on the inner ring of the baffle rod (201) in a staggered manner, fixed tube plates (203) arranged at two ends of the baffle rod (201) and a plurality of heat exchange tube bundles (204) arranged in the baffle rod (201);
the mounting unit (300) comprises a cover plate (301) arranged on one side of the front sealing cover (103), a four-way pipe (302) fixed at the center of the cover plate (301), four control components (303) arranged on one side of the cover plate (301) and a power component (304) arranged in the control components (303);
four second clamping plates (301 a) are uniformly and fixedly connected to the outer ring of the cover plate (301), and a fixing assembly (301 b) is arranged in each second clamping plate (301 a);
the control assembly (303) comprises a sixth groove (303 a) formed on one side of the cover plate (301), a first sliding groove (303 b) formed on two side walls of the sixth groove (303 a), a fixed cylinder (303 c) fixed on one side of the cover plate (301), a clamping plate (303 d) fixed on the inner ring of the fixed cylinder (303 c) and a moving block (303 i) arranged on one side of the clamping plate (303 d);
the power assembly (304) comprises four pushing blocks (304 a), a connecting rod (304 b) fixed at one end of each pushing block (304 a) and two sliding rods (304 e) arranged on the outer ring of each connecting rod (304 b), wherein the two connecting rods (304 b) are fixedly connected through a fixing rod (304 c), and a limiting piece (304 d) is arranged in the fixing rod (304 c).
2. The magnesium-based solid state hydrogen storage shell and tube heat exchanger of claim 1, wherein: one side of the outer barrel (101) is fixedly connected with two supporting frames (101 a), and a high-temperature steam inlet (101 b) and a high-temperature steam outlet (101 c) are arranged on the outer ring of the outer barrel (101).
3. A magnesium-based solid state hydrogen storage shell and tube heat exchanger as set forth in claim 2 wherein: first recess (103 a) has been seted up to one side of preceding closing cap (103), the inner wall fixedly connected with of first recess (103 a) four first clamping plates (103 b), and first clamping plate (103 b) and second clamping plate (301 a) block cooperation, four slot (103 d) have been seted up to first recess (103 a) inner wall, second recess (103 c) have been seted up to one side of first recess (103 a).
4. A magnesium-based solid state hydrogen storage shell and tube heat exchanger as set forth in claim 3 wherein: the heat exchange tube bundles (204) are arranged in the baffle plates (202), and the fixed tube plates (203) are movably sleeved at two ends of the baffle rods (201).
5. The magnesium-based solid state hydrogen storage shell and tube heat exchanger of claim 4, wherein: the second clamping plate (301 a) is provided with a fourth groove (301 c), one side of the fourth groove (301 c) is provided with a fifth groove (301 d), the fifth groove (301 d) is matched with the pushing block (304 a), and the fixing assembly (301 b) is arranged in the fourth groove (301 c).
6. The magnesium-based solid state hydrogen storage shell and tube heat exchanger of claim 5, wherein: the fixing assembly (301 b) comprises a third groove (301 b-3) formed in one side of the fourth groove (301 c), a first spring (301 b-4) arranged in the third groove (301 b-3) and a plugboard (301 b-1) sliding in the fourth groove (301 c), the plugboard (301 b-1) is provided with a through groove (301 b-2), the through groove (301 b-2) is in sliding fit with the pushing block (304 a), and two ends of the first spring (301 b-4) are respectively fixed on one side of the third groove (301 b-3) and one side of the plugboard (301 b-1).
7. The magnesium-based solid state hydrogen storage shell and tube heat exchanger of claim 6, wherein: the sixth groove (303 a) is communicated with the fourth groove (301 c), one side, close to the moving block (303 i), of the clamping plate (303 d) and the inner wall of the fixed cylinder (303 c) form a placement space, one side of the moving block (303 i) is matched with the placement space, and two sides of the first sliding groove (303 b) are respectively provided with a second sliding groove (303 b-1) and a third sliding groove (303 b-2).
8. The magnesium-based solid state hydrogen storage shell and tube heat exchanger of claim 7, wherein: four fourth spouts (303 e) have been seted up to the inner circle of fixed section of thick bamboo (303 c), seventh recess (303 f) have been seted up to one side of fourth spout (303 e), be provided with second spring (303 g) in seventh recess (303 f), sliding connection has first slider (303 h) in fourth spout (303 e), and first slider (303 h) are fixed in one side of movable block (303 i), the both ends of second spring (303 g) are fixed in one side of first slider (303 h) and one side of seventh recess (303 f) respectively.
9. The magnesium-based solid state hydrogen storage shell and tube heat exchanger of claim 8, wherein: the limiting piece (304 d) comprises two eighth grooves (304 d-1) formed in the fixing rod (304 c), a fifth sliding groove (304 d-2) formed in the two side walls of the eighth grooves (304 d-1), a third spring (304 d-3) arranged in the eighth grooves (304 d-1) and a clamping block (304 d-4) sliding in the eighth grooves (304 d-1), two ends of the clamping block (304 d-4) are fixedly connected with second sliding blocks (304 d-5), the second sliding blocks (304 d-5) are in sliding fit with the fifth sliding groove (304 d-2), and two ends of the third spring (304 d-3) are respectively fixed on one side of the eighth grooves (304 d-1) and one side of the clamping block (304 d-4).
10. The magnesium-based solid state hydrogen storage shell and tube heat exchanger of claim 9, wherein: the connecting rod (304 b) slides in the sixth groove (303 a), the fixed rod (304 c) is matched with the fixed cylinder (303 c), the clamping block (304 d-4) is matched with the clamping plate (303 d) and the moving block (303 i), and the sliding rod (304 e) is matched with the first sliding groove (303 b).
CN202311432445.2A 2023-10-31 2023-10-31 Magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger Pending CN117288006A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311432445.2A CN117288006A (en) 2023-10-31 2023-10-31 Magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311432445.2A CN117288006A (en) 2023-10-31 2023-10-31 Magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger

Publications (1)

Publication Number Publication Date
CN117288006A true CN117288006A (en) 2023-12-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311432445.2A Pending CN117288006A (en) 2023-10-31 2023-10-31 Magnesium-based solid-state hydrogen storage shell-and-tube heat exchanger

Country Status (1)

Country Link
CN (1) CN117288006A (en)

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