CN213272033U - Automatic control hydrogen absorption and desorption system for solid hydrogen storage material - Google Patents
Automatic control hydrogen absorption and desorption system for solid hydrogen storage material Download PDFInfo
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- CN213272033U CN213272033U CN202021873452.8U CN202021873452U CN213272033U CN 213272033 U CN213272033 U CN 213272033U CN 202021873452 U CN202021873452 U CN 202021873452U CN 213272033 U CN213272033 U CN 213272033U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P90/45—Hydrogen technologies in production processes
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Abstract
The utility model discloses an automatic control hydrogen absorption and desorption system of solid hydrogen storage materials, which comprises a hydrogen charging pipe section, a hydrogen desorption pipe section and a stainless steel hydrogen storage tank; the stainless steel hydrogen storage tank comprises a stainless steel tank body and a tank body cover, and a plurality of metal baskets are arranged inside the stainless steel tank body; the left end and the right end of the tank cover are respectively provided with a hydrogen charging hole and a hydrogen discharging hole, and the middle position of the tank cover is provided with a temperature measuring hole; the hydrogen charging hole is connected with a hydrogen compressor through a hydrogen charging pipeline; the hydrogen discharging hole is connected with a hydrogen discharging pipeline; a thermocouple is inserted into the temperature measuring hole, and the lower part of the thermocouple extends into the central tube; the outer side of the stainless steel tank body is provided with a heat insulation layer, an electromagnetic heating coil is arranged in the heat insulation layer, and the heat insulation layer and the electromagnetic heating coil form an electromagnetic heating sleeve with a heat insulation function; the hydrogen compressor and the thermocouple are respectively connected with a computer control device. The utility model discloses can realize the automatic control to temperature and hydrogen pressure, applicable in most solid-state hydrogen storage materials, application scope broad.
Description
Technical Field
The utility model belongs to the technical field of solid-state hydrogen storage and specifically relates to a solid-state hydrogen storage material automatic control inhales and releases hydrogen system is related to.
Background
Hydrogen energy is a clean energy, and is mature in application of hydrogen energy globally at present, but hydrogen storage and transportation are ubiquitous technical bottlenecks. The foreign high-pressure gaseous hydrogen storage pressure can reach 70MPa, the domestic hydrogen storage cylinder pressure can reach 35MPa at most, although the hydrogen storage density is improved, the requirements on the cylinder material are higher, and the danger coefficient is also higher. The low-temperature liquid hydrogen storage needs to be stored at the temperature of 253 ℃ below zero, and both the two hydrogen storage modes have the defects of technology and economy. Solid hydrogen storage materials are favored as hydrogen storage methods due to large hydrogen storage capacity and high safety, but most of the existing hydrogen storage devices for storing the hydrogen storage materials have the problems of difficulty in loading and unloading the solid hydrogen storage materials, low heat transfer speed, uneven heating of material media, poor hydrogen absorption and desorption control effect, narrow application range and the like.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem, the utility model provides a solid-state hydrogen storage material automatic control inhales and releases hydrogen system.
The utility model discloses the technical solution who adopts is:
an automatic control hydrogen absorption and desorption system of solid hydrogen storage materials comprises a hydrogen charging pipe section, a hydrogen desorption pipe section and a stainless steel hydrogen storage tank;
the stainless steel hydrogen storage tank comprises a stainless steel tank body and a tank body cover, a plurality of metal baskets are arranged inside the stainless steel tank body, the top of each metal basket is open, through holes are arranged on the circumferential side walls of the metal baskets at intervals, and a central pipe is vertically arranged in the center of each metal basket; all the metal baskets are arranged in an up-down stacking manner, and the central tubes between the adjacent metal baskets are communicated;
the tank body cover is connected with the stainless steel tank body through a bolt, the left end and the right end of the tank body cover are respectively provided with a hydrogen charging hole and a hydrogen discharging hole, and a temperature measuring hole is arranged in the middle of the tank body cover; the hydrogen filling hole is communicated with a first port of the first three-way pipe, a second port of the first three-way pipe is connected with a hydrogen filling pipeline through a hydrogen filling explosion-proof electromagnetic valve, the hydrogen filling pipeline is connected with a hydrogen compressor, and a third port of the first three-way pipe is connected with an intelligent pressure transmitter; the hydrogen discharge hole is communicated with a first port of the second three-way pipe, a second port of the second three-way pipe is connected with a hydrogen discharge pipeline through a hydrogen discharge explosion-proof electromagnetic valve, and a third port of the second three-way pipe is connected with a safety valve; a thermocouple is inserted into the temperature measuring hole, and the lower part of the thermocouple extends into the central tube;
the hydrogen compressor, the hydrogen charging explosion-proof electromagnetic valve, the intelligent pressure transmitter, the thermocouple and the hydrogen discharging explosion-proof electromagnetic valve are all connected with the computer control device.
Preferably, the outer side of the stainless steel tank body is provided with a heat insulation layer, an electromagnetic heating coil is arranged in the heat insulation layer, the electromagnetic heating coil is connected with a power adjusting device, and the power adjusting device is connected with a computer control device.
Preferably, a clamping head used for being in rotary seal with the stainless steel tank body is arranged on the tank body cover, and a clamping groove matched with the clamping head is formed in the stainless steel tank body.
Preferably, the stainless steel tank body and the end part of the clamping groove are provided with a limiting end for limiting the rotation of the clamping head.
Preferably, a horizontal partition plate is arranged inside the tank cover, air holes are formed in the middle area of the horizontal partition plate at intervals, heat insulation cotton is arranged below the horizontal partition plate and at the position opposite to the middle area, and a sealing ring is arranged between the outer side of the upper part of the heat insulation cotton and the tank cover; and a jack for a thermocouple to pass through is arranged in the centers of the horizontal clapboard and the heat insulation cotton.
The utility model has the beneficial technical effects that:
the utility model can set the temperature of absorbing and desorbing hydrogen according to the absorbing and desorbing performance of the solid hydrogen storage material, and adopts the electromagnetic induction principle to heat and control the temperature of the hydrogen storage container through the electromagnetic heating coil, so that the solid hydrogen storage material has high heating speed and is heated uniformly; the utility model discloses can realize the automatic control to temperature and hydrogen pressure, applicable in most solid-state hydrogen storage materials, application scope broad.
The utility model discloses a plurality of gabions splendid attire that well solid-state hydrogen storage material powder adopted to stack from top to bottom, and the loading and unloading of being convenient for can further ensure the homogeneity of being heated of solid-state hydrogen storage material powder when the heating moreover.
The utility model discloses a but rotary seal's dop and screw double seal make the airtight effectual of the locking of jar body lid and the stainless steel jar body, and the inboard horizontal baffle of jar body lid and the cotton setting that keeps warm are deuterogamied, can play the heat preservation effect to the stainless steel jar body.
Drawings
The present invention will be further explained with reference to the following detailed description and accompanying drawings:
FIG. 1 is a schematic view of the structure principle of the automatic control hydrogen absorption and desorption system of the solid hydrogen storage material of the present invention;
FIG. 2 is a schematic structural view of a basket in the system of the present invention;
FIG. 3 is a schematic view of a system of the present invention in which a plurality of baskets are stacked together;
FIG. 4 is a bottom view of a canister cover in the system of the present invention;
FIG. 5 is a cross-sectional view of a canister cover in the system of the present invention;
FIG. 6 is a top view of a stainless steel tank in the system of the present invention;
FIG. 7 is a cross-sectional view taken along line A-B of FIG. 6;
FIG. 8 is a cross-sectional view taken along line C-D of FIG. 6;
fig. 9 is a cross-sectional view taken along line E-F of fig. 6.
Detailed Description
With the attached drawings, the automatic control hydrogen absorption and desorption system of the solid hydrogen storage material comprises a hydrogen charging pipe section, a hydrogen desorption pipe section and a stainless steel hydrogen storage tank. The stainless steel hydrogen storage tank comprises a stainless steel tank body 1 and a tank cover 2, wherein a plurality of metal baskets 3 are arranged inside the stainless steel tank body 1, the tops of the metal baskets 3 are open, through holes 301 are formed in the circumferential side walls of the metal baskets at intervals, and a central tube 302 is vertically arranged in the center of each metal basket. All the gabions 3 are arranged one above the other with the central tubes 302 in communication between adjacent gabions. The tank body cover 2 is connected with the stainless steel tank body 1 through bolts 4, the left end and the right end of the tank body cover 2 are respectively provided with a hydrogen charging hole 207 and a hydrogen discharging hole 208, and a temperature measuring hole is arranged in the middle of the tank body cover. The hydrogen charging hole is communicated with a first port of the first three-way pipe 5, a second port of the first three-way pipe is connected with a hydrogen charging pipeline 7 through a hydrogen charging explosion-proof electromagnetic valve 6, the hydrogen charging pipeline 7 is connected with a hydrogen compressor 8, and the nitrogen compressor 8 is connected with a normal-pressure hydrogen storage tank 9. And a third port of the first three-way pipe 5 is connected with an intelligent pressure transmitter 10. The hydrogen discharging hole is communicated with a first port of a second three-way pipe 11, a second port of the second three-way pipe is connected with a hydrogen discharging pipeline through a hydrogen discharging explosion-proof electromagnetic valve 12, and a third port of the second three-way pipe is connected with a safety valve 13. A thermocouple 14 is inserted into the temperature measuring hole, and the lower portion of the thermocouple 14 extends into the central tube 302. An insulating layer 15 is arranged on the outer side of the stainless steel tank body 1, an electromagnetic heating coil 16 is arranged in the insulating layer 15, and the electromagnetic heating coil 16 is connected with a power adjusting device 17. The heat-insulating layer 15 and the electromagnetic heating coil 16 jointly form an electromagnetic heating jacket with a heat-insulating function. The hydrogen compressor 8, the hydrogen charging explosion-proof electromagnetic valve 6, the intelligent pressure transmitter 10, the thermocouple 14, the hydrogen discharging explosion-proof electromagnetic valve 12 and the power adjusting device 17 are all connected with a computer control device 18.
The utility model discloses can inhale the hydrogen temperature of putting according to inhaling the hydrogen performance setting of solid-state hydrogen storage material to adopt the electromagnetic induction principle to heat the accuse temperature through electromagnetic heating coil 16 to hydrogen storage container, solid-state hydrogen storage material rate of heating is fast, is heated evenly. The utility model discloses can realize the automatic control to temperature and hydrogen pressure, applicable in most solid-state hydrogen storage materials, application scope broad. The utility model discloses 3 splendid attire of a plurality of gabions that well solid-state hydrogen storage material powder adopted to stack from top to bottom, the loading and unloading of being convenient for can further ensure the homogeneity of being heated of solid-state hydrogen storage material powder when the heating moreover.
As right the utility model discloses the further design of system is provided with on jar body lid 2 be used for with nonrust steel tank body rotary seal's dop 201, be provided with on nonrust steel tank body 1 with dop matched with draw-in groove 101, the tip that just is located the draw-in groove on nonrust steel tank body still is provided with and is used for the rotatory spacing end 102 of dop. When the tank cover 2 and the stainless steel tank body 1 are sealed, the tank cover 2 and the stainless steel tank body 1 are buckled, then the tank cover 2 is rotated, the clamping head 201 on the tank cover 2 is embedded into the clamping groove 101, after the clamping head 201 rotates to the limiting end 102, the rotation is stopped, and then the tank cover 2 and the stainless steel tank body 1 are further fastened by bolts. The utility model discloses a dop and draw-in groove rotary seal's cooperation seal structure, the screw fastening of deuterogamying carries out double-seal, ensures the airtight effect of the locking of jar body lid and the stainless steel jar body.
Further, a horizontal partition plate 202 is arranged in the tank cover 2, air holes 203 are arranged at intervals in the middle area of the horizontal partition plate, heat insulation cotton 204 is arranged below the horizontal partition plate and opposite to the middle area, and a sealing ring 205 is arranged between the outer side of the upper part of the heat insulation cotton and the tank cover. A jack 206 for a thermocouple to pass through is arranged at the center of the horizontal clapboard and the heat insulation cotton. The utility model discloses the system is on double seal's basis, and the inboard horizontal baffle of jar body lid and the cotton setting of heat preservation deuterogamy can play the better heat preservation effect to the stainless steel jar body.
Furthermore, the automatic control hydrogen absorption and desorption system for the solid hydrogen storage material also comprises a temperature measuring device 19 for measuring the temperature of the side wall of the stainless steel tank body, and the temperature measuring device 19 is also connected with the computer control device 18. The temperature measuring device 19 can measure the temperature of the side wall of the stainless steel tank body, and further ensures the temperature control effect of the solid hydrogen storage material in the stainless steel tank body.
The computer control device 18 is provided with hydrogen absorption, hydrogen desorption, heat preservation and parking control gears.
The method for automatically controlling hydrogen absorption and desorption by adopting the solid hydrogen storage material automatic control hydrogen absorption and desorption system comprises the following steps:
(1) the tank cover 2 is opened, the solid hydrogen storage materials are respectively placed into the metal baskets 3, then the metal baskets are sequentially stacked into the stainless steel tank body 1, the tank cover 2 is sealed in a rotating mode, and the stainless steel tank body is fastened through the bolts 4. A thermocouple 14 is inserted, and the hydrogen compressor 8, the hydrogen charging explosion-proof electromagnetic valve 6 and other components are connected with a computer control device 18.
(2) Setting the hydrogen absorption grade temperature, the hydrogen absorption time, the hydrogen discharge grade temperature and the hydrogen discharge time.
(3) During hydrogen storage, the computer control device 18 is adjusted to a hydrogen absorption gear, the electromagnetic heating coil 16 is automatically started to work, when the central temperature of the stainless steel tank body 1 reaches the set temperature of the hydrogen absorption gear, the hydrogen charging explosion-proof electromagnetic valve 6 is opened, the hydrogen compressor 8 is automatically started, normal pressure hydrogen is pressurized to 10MPa, after the set hydrogen absorption time of the hydrogen absorption gear is reached, hydrogen absorption is basically saturated, the hydrogen charging explosion-proof electromagnetic valve 6 is automatically closed, the hydrogen compressor 8 is closed, and the pressure in the stainless steel tank body 1 is stabilized at 10 MPa.
(4) When hydrogen is required to be discharged, the hydrogen discharge explosion-proof electromagnetic valve 12 is automatically opened, when the pressure in the tank body is lower than 1.5MPa, the electromagnetic heating coil 16 is started to heat to the set temperature of the hydrogen discharge level, hydrogen in the solid hydrogen storage material is continuously discharged, when the pressure of gas in the tank body is lower than 0.2MPa, the hydrogen discharge explosion-proof electromagnetic valve 12 is closed, and hydrogen discharge is finished.
Taking magnesium-based hydrogen storage material as an example, the hydrogen absorption temperature is set at 330 ℃, the hydrogen absorption time can be set at 10min under 10MPa of hydrogen pressure, the hydrogen release temperature is set at 380 ℃, and the hydrogen release time can be set at 20 min. During hydrogen storage, the control is started to a hydrogen absorption gear, the electromagnetic heating coil is automatically started to work, when the central temperature of the tank body reaches 330 ℃, the hydrogen charging electromagnetic valve is opened, the hydrogen compressor is automatically started, normal pressure hydrogen is pressurized to 10MPa, after 10min, hydrogen absorption is basically saturated, the hydrogen absorption electromagnetic valve is automatically closed, the hydrogen compressor is closed, and the pressure in the tank can be stabilized at 10 MPa. When hydrogen is required to be discharged, the hydrogen discharge electromagnetic valve is automatically opened, when the pressure in the tank is lower than 1.5MPa, the electromagnetic heating coil is started to heat to 380 ℃, hydrogen in the solid hydrogen storage material is continuously discharged, when the gas pressure in the tank is lower than 0.2MPa, the hydrogen discharge electromagnetic valve is closed, and hydrogen discharge is finished. When the system needs to frequently absorb and release hydrogen, the temperature of the system can be set at a heat preservation gear, otherwise, a parking gear can be selected, and the system is automatically cooled.
Parts not described in the above embodiments can be realized by taking or referring to the prior art.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above embodiments, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a solid-state hydrogen storage material automatic control inhales and releases hydrogen system which characterized in that: comprises a hydrogen charging pipe section, a hydrogen discharging pipe section and a stainless steel hydrogen storage tank;
the stainless steel hydrogen storage tank comprises a stainless steel tank body and a tank body cover, a plurality of metal baskets are arranged inside the stainless steel tank body, the top of each metal basket is open, through holes are arranged on the circumferential side walls of the metal baskets at intervals, and a central pipe is vertically arranged in the center of each metal basket; all the metal baskets are arranged in an up-down stacking manner, and the central tubes between the adjacent metal baskets are communicated;
the tank body cover is connected with the stainless steel tank body through a bolt, the left end and the right end of the tank body cover are respectively provided with a hydrogen charging hole and a hydrogen discharging hole, and a temperature measuring hole is arranged in the middle of the tank body cover; the hydrogen filling hole is communicated with a first port of the first three-way pipe, a second port of the first three-way pipe is connected with a hydrogen filling pipeline through a hydrogen filling explosion-proof electromagnetic valve, the hydrogen filling pipeline is connected with a hydrogen compressor, and a third port of the first three-way pipe is connected with an intelligent pressure transmitter; the hydrogen discharge hole is communicated with a first port of the second three-way pipe, a second port of the second three-way pipe is connected with a hydrogen discharge pipeline through a hydrogen discharge explosion-proof electromagnetic valve, and a third port of the second three-way pipe is connected with a safety valve; a thermocouple is inserted into the temperature measuring hole, and the lower part of the thermocouple extends into the central tube;
the hydrogen compressor, the hydrogen charging explosion-proof electromagnetic valve, the intelligent pressure transmitter, the thermocouple and the hydrogen discharging explosion-proof electromagnetic valve are all connected with the computer control device.
2. The system of claim 1, wherein the system comprises: the outer side of the stainless steel tank body is provided with a heat insulation layer, an electromagnetic heating coil is arranged in the heat insulation layer, the electromagnetic heating coil is connected with a power adjusting device, and the power adjusting device is connected with a computer control device.
3. The system of claim 1, wherein the system comprises: the tank cover is provided with a clamping head used for being in rotary seal with the stainless steel tank body, and the stainless steel tank body is provided with a clamping groove matched with the clamping head.
4. The system of claim 3, wherein the hydrogen storage material comprises at least one of: the stainless steel tank body and the end part positioned in the clamping groove are also provided with a limiting end used for limiting the rotation of the clamping head.
5. The system of claim 1, wherein the system comprises: a horizontal partition plate is arranged in the tank cover, air holes are formed in the middle area of the horizontal partition plate at intervals, heat insulation cotton is arranged below the horizontal partition plate and at the position opposite to the middle area, and a sealing ring is arranged between the outer side of the upper part of the heat insulation cotton and the tank cover; and a jack for a thermocouple to pass through is arranged in the centers of the horizontal clapboard and the heat insulation cotton.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021873452.8U CN213272033U (en) | 2020-08-31 | 2020-08-31 | Automatic control hydrogen absorption and desorption system for solid hydrogen storage material |
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| CN202021873452.8U CN213272033U (en) | 2020-08-31 | 2020-08-31 | Automatic control hydrogen absorption and desorption system for solid hydrogen storage material |
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| CN213272033U true CN213272033U (en) | 2021-05-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082087A (en) * | 2020-08-31 | 2020-12-15 | 山东科技大学 | Automatic hydrogen absorption and desorption control system and method for solid hydrogen storage material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082087A (en) * | 2020-08-31 | 2020-12-15 | 山东科技大学 | Automatic hydrogen absorption and desorption control system and method for solid hydrogen storage material |
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