CN109659041B - Quick tritium storage and supply bed for in-situ calorimetry - Google Patents
Quick tritium storage and supply bed for in-situ calorimetry Download PDFInfo
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- CN109659041B CN109659041B CN201811501068.2A CN201811501068A CN109659041B CN 109659041 B CN109659041 B CN 109659041B CN 201811501068 A CN201811501068 A CN 201811501068A CN 109659041 B CN109659041 B CN 109659041B
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21B—FUSION REACTORS
- G21B1/00—Thermonuclear fusion reactors
- G21B1/11—Details
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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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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E30/10—Nuclear fusion reactors
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Abstract
The invention discloses a rapid tritium storage and supply bed for in-situ calorimetry, which solves the problems that a hydrogen isotope storage bed in the prior art is slow in heat transfer and mass transfer and single in function, cannot meet the actual use requirements of rapid absorption and release, rapid heating and cooling of a hydrogen isotope, and cannot realize real-time metering during tritium storage. The invention comprises a vacuum heat preservation cylinder, a hydrogen storage chemical bed main body and an external heating device; the hydrogen storage chemical bed main body comprises a hydrogen storage chemical bed base, an electric analog body, a temperature measurement air duct and a metal filter tube; the invention has simple structure, scientific and reasonable design, convenient use and excellent heat and mass transfer structure, can realize quick hydrogen absorption and desorption and quick heating and cooling, and can realize the real-time measurement of the total amount of tritium in the storage bed during the tritium storage by measuring the temperature difference of the flow gas inlet and the flow gas outlet based on the special flow gas type structure design.
Description
Technical Field
The invention relates to the technical field of nuclear fusion energy and hydrogen energy sources, in particular to a rapid tritium storage and supply bed for in-situ calorimetry.
Background
With the gradual depletion of energy and the increasing serious pollution of the environment, the development of a clean, pollution-free and efficient renewable energy source has become a problem to be solved urgently. The deuterium-tritium polymerization energy means that deuterium or tritium generates atomic-nuclear mutual polymerization under certain conditions, so that energy is released. It has the advantages of unlimited resources, huge released energy, no environmental pollution, no generation of high radioactive nuclear waste, etc., and thus is considered as an energy mode that can ultimately solve human energy and environmental problems. Hydrogen energy is energy generated by the reaction of hydrogen and oxygen, has the advantages of cleanness, high efficiency, wide sources and the like, and is more and more attracted by people in recent years. Protium and its isotopes (deuterium-tritium) are the main fuels of the two clean energy sources, while hydrogen is a flammable and explosive hazardous gas, and how to rapidly store and supply a large amount of protium, deuterium and tritium fuel gas (hereinafter referred to as hydrogen) on the premise of safety becomes the key for the large-scale application of the two clean energy sources.
The hydrogen isotope storage bed can safely store and supply hydrogen (including protium, deuterium and tritium), and can be used as a fixed hydrogen source and a hydrogen isotope purification device. The hydrogen isotope storage bed mainly realizes the storage and supply of hydrogen isotopes by utilizing the hydrogen absorption and desorption process of the hydrogen storage material. In practical application, the hydrogen isotope storage bed is required to have an excellent mass transfer structure, so that the hydrogen absorption and desorption rates are high. Meanwhile, since the hydrogen isotope storage bed is generally required to be heated and cooled within a limited time, the hydrogen isotope storage bed is required to have a rapid heat transfer property. In addition, when the tritium storage bed is used for fusion reactor tritium storage, the tritium amount in the tritium storage bed needs to be measured in time, so the tritium storage bed also has an online tritium measuring function.
However, there is no device that can realize rapid storage and supply of hydrogen isotopes, rapid heating and cooling, and online tritium metering. Therefore, there is a need for a device that can perform the aforementioned functions.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a quick tritium storage of normal position calorimetric and supply bed, solves prior art hydrogen isotope storage bed heat transfer, mass transfer slow, the function is single, can not satisfy the hydrogen isotope and inhale fast, put and the quick actual use requirement of heating, cooling to and can not realize the problem of the real-time measurement of storing tritium.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a rapid tritium storage and supply bed with in-situ calorimetry comprises a vacuum heat-preserving cylinder with an opening at one end and a seal at the other end, a hydrogen storage chemical bed main body arranged in the vacuum heat-preserving cylinder, and an external heating device arranged in the vacuum heat-preserving cylinder and positioned between the hydrogen storage chemical bed main body and the inner wall of the vacuum heat-preserving cylinder and used for heating the hydrogen storage chemical bed main body;
the hydrogen storage chemical bed main body comprises a disc-shaped hydrogen storage chemical bed base, an electrical simulation body, a temperature measurement air duct and 9 hydrogen storage chemical bed bodies, wherein the sealing cover is connected with the opening end of the vacuum heat-insulating cylinder, and the electrical simulation body, the temperature measurement air duct and the 9 hydrogen storage chemical bed bases are all arranged on the inner side surface of the hydrogen storage chemical bed base
The metal filter tube of (2);
the 9 metal filter pipes are distributed in a circular shape and are vertically connected to the inner side surface of the hydrogen storage chemical bed base in an equidistant mode, the outer end of one metal filter pipe penetrates through the hydrogen storage chemical bed base and is connected with a hydrogen inlet pipe and a hydrogen outlet pipe, and the metal filter pipe penetrating through the hydrogen storage chemical bed base is connected with a hydrogen system outside the hydrogen storage chemical bed main body through the hydrogen inlet pipe and the hydrogen outlet pipe;
one end of the electrical simulation body is fixed on the inner side surface of the hydrogen storage chemical bed base, the electrical simulation body is spiral and is wound on the periphery of the 9 metal filter tubes, so that the tritium thermal power of the tritium storage material is simulated by using the electrical thermal power, and the calorimetric parameters are calibrated;
the temperature measuring air duct adopts one air duct
The 316L stainless steel pipe is coiled into a double-layer spiral pipe comprising an inner spiral pipe and an outer spiral pipe, both ends of the temperature measuring air guide pipe penetrate out of the hydrogen storage chemical bed base, one end of the temperature measuring air guide pipe is provided with a first temperature measuring instrument used for measuring the internal temperature of the end in real time and is connected with an external conveying air pipe, the other end of the temperature measuring air guide pipe is provided with a second temperature measuring instrument used for measuring the internal temperature of the end in real time and is connected with an external output air pipe, the inner spiral pipe is positioned on the inner periphery of a circle surrounded by 9 metal filter pipes and is tightly attached to the 9 metal filter pipes, and the outer spiral pipe is coiled on the periphery of the electric simulator.
Furthermore, the hydrogen storage chemical bed main body also comprises an internal heating device arranged in the center of the hydrogen storage chemical bed base, the internal heating device comprises a cylindrical heating device shell with one end open and the other end sealed, an internal heating cover which is connected with the open end of the heating device shell in a sealing way, and a U-shaped internal heating electric furnace which is fixed on the internal heating cover, positioned in the heating device shell and is in U shape; the center of the hydrogen storage chemical bed base is provided with a mounting hole for mounting the internal heating device, the internal heating device is connected in the mounting hole in a penetrating manner and seals the mounting hole through the internal heating cover, and the shell of the heating device is positioned in the center of the spiral of the inner spiral pipe.
Furthermore, an internal thermocouple is arranged on the internal heating cover, is positioned on the outer side of the heating device shell and is distributed in parallel with the axial lead of the heating device shell.
Further, the external heating device is a spiral tubular electric furnace which is tightly attached to the inner wall of the vacuum heat-preserving cylinder, the power of the external heating device is 3kw, and the temperature control range is 50-600 ℃.
The hydrogen storage chemical bed base is provided with a thermocouple mounting hole for mounting the outer thermocouple, and the outer thermocouple is mounted in the thermocouple mounting hole and is close to the inner spiral wall of the spiral tubular electric furnace.
Further, the heating device shell adopts
The stainless steel tube is packaged, and the power of the internal electric heating furnace is 1 kw.
Furthermore, the vacuum heat-preservation cylinder is in a hollow cylinder shape and is of a double-layer vacuum structure formed by double layers of stainless steel plates with the thickness of 1.5 mm.
Furthermore, a valve for controlling the on-off of the pipeline is arranged on the hydrogen inlet and outlet pipe.
Further, the electric analog body comprises a spiral shape which is coiled on the periphery of the 9 metal filter tubes and is provided with a plurality of metal filter tubes
The heating device comprises a 316L stainless steel pipe and a heating resistance wire with the resistance value of 65 omega, wherein the heating resistance wire is sheathed into an electric heating pipe and then is inserted into the electric heating pipe
In a 316L stainless steel tube of (1), said
One end of the 316L stainless steel tube is fixed on the inner side surface of the hydrogen storage chemical bed base.
Furthermore, a circle of connecting fins are annularly arranged on the periphery of the opening end of the vacuum heat-insulating cylinder, at least three mounting threaded holes are formed in the connecting fins at equal intervals in the circumferential direction, a base mounting threaded hole is formed in a position, corresponding to each mounting threaded hole, of each hydrogen storage chemical bed base, and the hydrogen storage chemical bed bases are detachably connected to the opening end of the vacuum heat-insulating cylinder through bolts penetrating through the mounting threaded holes and the corresponding base mounting threaded holes.
Compared with the prior art, the invention has the following beneficial effects:
the invention has simple structure, scientific and reasonable design, convenient use and excellent heat and mass transfer structure, can realize quick hydrogen absorption and desorption and quick heating and cooling, and can realize the real-time measurement of the total amount of tritium in the storage bed during the tritium storage by measuring the temperature difference of the flow gas inlet and the flow gas outlet based on the special flow gas type structure design. Tritium emits beta rays with average energy of 5.7keV in a half-life period of 12.33 years, the beta rays convert all kinetic energy of the beta rays into heat energy inside a sample, which is equivalent to that 1 g of tritium has thermal power of 0.324 watt, and therefore, measuring the tritium amount actually measures the thermal power of the tritium; the invention can meet the requirement of quick absorption and release of hydrogen isotopes, has high heat transfer efficiency, can realize real-time measurement during tritium storage, and has important significance and wide market prospect for promoting the application and popularization of relevant industries taking the hydrogen isotopes as fuels.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a disassembled view of the present invention.
FIG. 3 is a schematic view of the installation of a metal filter tube of the present invention on a base of a hydrogen storage chemical bed.
FIG. 4 is a schematic diagram of an electrical phantom according to the present invention.
Figure 5 is a schematic view of an electrical mimic, a metal filter tube and a hydrogen storage chemical bed base of the present invention.
FIG. 6 is a schematic view of the temperature-measuring gas conduit structure of the present invention.
FIG. 7 is a top view of the temperature-measuring airway of the present invention.
Wherein, the names corresponding to the reference numbers are:
1-vacuum heat preservation cylinder, 2-hydrogen storage chemical bed main body, 3-external heating device, 4-hydrogen storage chemical bed base, 5-metal filter tube, 6-electric analog body, 7-temperature measurement air guide tube, 8-hydrogen inlet and outlet tube, 9-internal heating device, 11-connecting wing piece, 12-installation threaded hole, 41-installation hole, 42-external thermocouple, 43-base installation threaded hole, 71-internal spiral tube, 72-external spiral tube, 73-first temperature measurement instrument, 74-second temperature measurement instrument, 91-heating device outer shell, 92-internal heating cover, 93-internal heating electric furnace and 94-internal thermocouple.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in figures 1-7, the rapid tritium storage and supply bed for in-situ calorimetry provided by the invention has the advantages of simple structure, scientific and reasonable design, convenience in use, excellent heat and mass transfer structures, capability of realizing rapid hydrogen absorption and desorption, rapid heating and cooling, capability of realizing real-time measurement of the total amount of tritium in the storage bed during tritium storage based on a special gas flow type structure design and measurement of the temperature difference of a gas flow inlet and a gas flow outlet. The invention comprises a vacuum heat-insulating cylinder 1 with an opening at one end and a sealing at the other end, a hydrogen storage chemical bed main body 2 arranged in the vacuum heat-insulating cylinder 1, and an external heating device 3 which is arranged in the vacuum heat-insulating cylinder 1 and positioned between the hydrogen storage chemical bed main body 2 and the inner wall of the vacuum heat-insulating cylinder 1 and used for heating the hydrogen storage chemical bed main body 2, wherein the external heating device 3 is a spiral tubular electric furnace which is tightly attached to the inner wall of the vacuum heat-insulating cylinder 1, the power of the spiral tubular electric furnace is 3kw, the temperature control range is 50-600 ℃, the vacuum heat-insulating cylinder 1 is in a hollow cylinder shape, and the double-layer vacuum structure is formed by double-layer stainless steel plates with the thickness.
The hydrogen storage chemical bed main body 2 comprises a discoid hydrogen storage chemical bed base 4 which is used for sealing the opening end of the vacuum heat-insulating cylinder 1, an electric simulator 6, a temperature measurement air duct 7 and 9 hydrogen storage chemical bed base seats 4 which are all arranged on the inner side surface of the hydrogen storage chemical bed base
The metal filter tube 5. The periphery of the opening end of the vacuum heat-insulating cylinder 1 is annularly provided with a circle of connecting fins 11, at least three mounting threaded holes 12 are formed in the connecting fins 11 in the circumferential direction at equal intervals, a base mounting threaded hole 43 is formed in the position, corresponding to the mounting threaded hole 12, of each hydrogen storage chemical bed base 4, and the hydrogen storage chemical bed bases 4 are arranged in the mounting threaded holes 12 and the corresponding base mounting threaded holes 43 in a penetrating mode through bolts and can be detachably connected to the opening end of the vacuum heat-insulating cylinder 1. The hydrogen storage chemical bed comprises a hydrogen storage chemical bed base 4 and is characterized by further comprising an outer thermocouple 42, wherein a thermocouple mounting hole for mounting the outer thermocouple 42 is formed in the hydrogen storage chemical bed base 4, and the outer thermocouple 42 is mounted in the thermocouple mounting hole and is close to the inner spiral wall of the spiral tubular electric furnace.
The 9 metal filter pipes 5 are distributed in a circular shape and are vertically connected to the inner side surface of the hydrogen storage chemical bed base 4 at equal intervals, wherein the outer end of only one metal filter pipe 5 penetrates through the hydrogen storage chemical bed base 4 and is connected with a hydrogen inlet and outlet pipe 8, the metal filter pipe 5 penetrating through the hydrogen storage chemical bed base 4 is connected with a hydrogen system outside a hydrogen storage chemical bed main body through the hydrogen inlet and outlet pipe 8, and a valve for controlling the on-off of a pipeline is arranged on the hydrogen inlet and outlet pipe 8.
One end of an electric simulation body 6 is fixed on the inner side surface of a hydrogen storage chemical bed base 4, the electric simulation body 6 is spiral and is wound on the periphery of 9 metal filter tubes 5, so that the tritium thermal power of a tritium storage material is simulated by using the electric thermal power, and the calorimetric parameters are calibrated. Specifically, the electrical simulation body 6 comprises a spiral shape wound around the periphery of 9 metal filter tubes
The heating device comprises a 316L stainless steel pipe and a heating resistance wire with the resistance value of 65 omega, wherein the heating resistance wire is sheathed into an electric heating pipe and then is inserted into the electric heating pipe
In a 316L stainless steel tube of (1), said
One end of the 316L stainless steel tube is fixed on the inner side surface of the hydrogen storage chemical bed base 4.
The temperature measuring air duct 7 adopts one air duct
The 316L stainless steel pipe is coiled into a double-layer spiral pipe comprising an inner spiral pipe 71 and an outer spiral pipe 72, both ends of the temperature measuring air guide pipe 7 penetrate out of the hydrogen storage chemical bed base 4, one end of the temperature measuring air guide pipe is provided with a first temperature measuring instrument 73 for measuring the internal temperature of the end in real time and is connected with an external conveying air pipe, the other end of the temperature measuring air guide pipe is provided with a second temperature measuring instrument 74 for measuring the internal temperature of the end in real time and is connected with an external output air pipe, the inner spiral pipe 71 is positioned on the inner periphery of a circle formed by the 9 metal filter pipes 5 and is tightly attached to the 9 metal filter pipes 5, and the outer spiral pipe 72 is coiled on the outer periphery of the electrical simulation body 6.
The hydrogen storage chemical bed main body 2 also comprises an internal heating device 9 arranged in the center of the hydrogen storage chemical bed base 4, wherein the internal heating device 9 comprises a cylindrical heating device shell 91 with an opening at one end and a sealed end at the other end, an internal heating cover 92 connected to the opening end of the heating device shell 91 in a sealing way, and a U-shaped internal heating electric furnace 93 fixed on the internal heating cover 92 and positioned in the heating device shell 91; a mounting hole 41 for mounting the internal heating device 9 is formed in the center of the hydrogen storage chemical bed base 4, the internal heating device 9 is inserted into the mounting hole 41 and seals the mounting hole 41 through the internal heating cover 92, and the heating device housing 91 is located in the spiral center of the inner spiral pipe 71. An internal thermocouple 94 is arranged on the internal heating cover 92, the internal thermocouple 94 is positioned outside the heating device shell 91 and is distributed in parallel with the axial lead of the heating device shell 91, and the heating device shell 91 adopts
Is packaged by the stainless steel pipe, and the power of the internal heating electric furnace 93 isIs 1 kw.
In order to allow the outer coil 72 and the spiral electric simulator 6 to be stably mounted on the hydrogen storage chemical bed base 4, a plurality of clamping plates are provided on the hydrogen storage chemical bed base 4 so as to clamp the outer coil 72 and the electric simulator 6, as shown in fig. 8.
Tritium emits beta rays with average energy of 5.7keV in a half-life period of 12.33 years, the beta rays convert all kinetic energy of the beta rays into heat energy inside a sample, which is equivalent to that 1 g of tritium has thermal power of 0.324 watt, and therefore, measuring the tritium amount actually measures the thermal power of the tritium; the invention can meet the requirement of quick absorption and release of hydrogen isotopes, has high heat transfer efficiency, can realize real-time measurement during tritium storage, and has important significance and wide market prospect for promoting the application and popularization of relevant industries taking the hydrogen isotopes as fuels.
The vacuum heat-preservation cylinder adopts a stainless steel double-layer vacuum structure with the thickness of 1.5mm, the external heating device adopts a 3kw spiral tubular electric furnace, the spiral tubular electric furnace is tightly attached to the inner wall of the vacuum heat-preservation cylinder, the external part of the tritium storage bed is heated, the temperature is controlled to be 50-600 ℃, and activation of the chemical bed and release of deuterium-tritium gas are realized; the vacuum heat-insulating cylinder can be used for preserving heat of the chemical bed during calorimetric measurement, reducing heat exchange between the outside and the inside of the tritium storage bed body and improving calorimetric precision; the vacuum heat-insulating cylinder and the external heating device are movably connected with the hydrogen storage chemical bed main body, so that the spiral tubular electric furnace can be replaced after being damaged.
The metal filter tubes are designed to adopt 9 metal filter tubes in consideration of the requirement of quick hydrogen release of the hydrogen storage chemical bed main body
8 of the metal filter tubes have the channel function of quickly absorbing and releasing hydrogen in the bed body, and 1 of the metal filter tubes is connected with a hydrogen system outside the hydrogen storage chemical bed main body through a pipeline and a valve assembly to realize the quick release and adsorption of the hydrogen.
An electric analog body, adopt
316L stainless steel pipe (1), armor with resistance of heating resistance wire of about 65 ΩInsertion of electric heating tube
The pipe is coiled into a spiral pipe shape and is arranged in the middle of the inner part of the bed body interlayer, and the purpose of the pipe is to simulate the tritium thermal power of the tritium storage material by using the electrical thermal power as much as possible and correct calorimetric parameters.
Temperature measurement air duct (air flow type pipeline) adopts
The 316L stainless steel pipe is coiled into a double-layer spiral pipe, and the double-layer spiral pipe is contacted with the hydrogen storage material as much as possible, so that the calorimetric precision is improved. By measuring the temperature difference between the inlet and outlet air of the temperature-measuring air duct, delta T ═ T2-T1) The thermal power w of the bed can be obtained, and the tritium quantity m can be calculated to be w/0.324. In addition, when the temperature measurement air duct is introduced with a cooling medium, the rapid cooling of the bed body can be realized.
Internal heating means adopt
The heating structure form of the stainless steel tube package is movably connected with the hydrogen storage chemical bed, so that the maintainability of the heating part is improved, and the release rate of hydrogen can be increased by heating the inside and the outside simultaneously.
The activation of the hydrogen storage chemical bed main body and the hydrogen release in the bed body adopt a mode of heating the inside and the outside of the bed body simultaneously, the heating power outside the bed body is designed to be 3kw, the heating power in the bed body is designed to be 1kw, and the two electric heating bodies work simultaneously, so that the rapid heating of the bed is realized, and the temperature requirements of the activation and the hydrogen release of the chemical bed are met.
The spiral tubular electric furnaces of the internal heating electric furnace, the external thermocouple, the internal thermocouple, the electric simulator, the first temperature measuring instrument, the second temperature measuring instrument and the external heating device are respectively connected with an external control system. The vacuum insulation cylinder is also connected with a vacuum-pumping pipe, one end of the vacuum-pumping pipe extends into a vacuum interlayer of a double-layer vacuum structure of the vacuum insulation cylinder, and the other end of the vacuum-pumping pipe penetrates out of a hydrogen storage chemical bed base and is connected with an external vacuum pump.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or changes made within the spirit and scope of the main design of the present invention, which still solve the technical problems consistent with the present invention, should be included in the scope of the present invention.
Claims (10)
1. An in-situ calorimetric fast tritium storage and supply bed, characterized in that: the device comprises a vacuum heat-preserving cylinder (1) with an opening at one end and a sealing at the other end, a hydrogen storage chemical bed main body (2) arranged in the vacuum heat-preserving cylinder (1), and an external heating device (3) which is arranged in the vacuum heat-preserving cylinder (1) and is positioned between the hydrogen storage chemical bed main body (2) and the inner wall of the vacuum heat-preserving cylinder (1) and used for heating the hydrogen storage chemical bed main body (2);
the hydrogen storage chemical bed main body (2) comprises a discoid hydrogen storage chemical bed base (4) which is used for sealing the opening end of the vacuum heat-insulating cylinder (1), and an electric simulator (6), a temperature measurement air duct (7) and 9 hydrogen storage chemical bed bases (4) which are all arranged on the inner side surface of the hydrogen storage chemical bed base (4)
And an internal heating device (9) installed in the center of the hydrogen storage chemical bed base (4);
the 9 metal filter pipes (5) are distributed in a circular shape and are vertically connected to the inner side surface of the hydrogen storage chemical bed base (4) at equal intervals, the outer end of only one metal filter pipe (5) penetrates through the hydrogen storage chemical bed base (4) and is connected with a hydrogen inlet pipe (8), and the metal filter pipe (5) penetrating through the hydrogen storage chemical bed base (4) is connected with a hydrogen system outside the hydrogen storage chemical bed main body through the hydrogen inlet pipe (8);
one end of the electric simulation body (6) is fixed on the inner side surface of the hydrogen storage chemical bed base (4), the electric simulation body (6) is spiral and is wound on the periphery of the 9 metal filter tubes (5) so as to simulate the tritium thermal power of a tritium storage material by using the electric thermal power and correct calorimetric parameters;
the described testThe warm air duct (7) adopts one
The 316L stainless steel tube is coiled into a double-layer spiral tube comprising an inner spiral tube (71) and an outer spiral tube (72), two ends of the temperature measuring air guide tube (7) penetrate out of the hydrogen storage chemical bed base (4), one end of the temperature measuring air guide tube is provided with a first temperature measuring instrument (73) used for measuring the internal temperature of the end in real time and is connected with an external conveying air tube, the other end of the temperature measuring air guide tube is provided with a second temperature measuring instrument (74) used for measuring the internal temperature of the end in real time and is connected with an external output air tube, the inner spiral tube (71) is positioned on the inner periphery of a circle formed by the 9 metal filter tubes (5) and is tightly attached to the 9 metal filter tubes (5), and the outer spiral tube (72) is coiled on the outer periphery of the electrical simulator (6).
2. An in situ calorimetric fast tritium storage and supply bed according to claim 1, characterized in that: the internal heating device (9) comprises a cylindrical heating device shell (91) with an opening at one end and a sealed end at the other end, an internal heating cover (92) which is connected to the opening end of the heating device shell (91) in a sealing way, and a U-shaped internal heating electric furnace (93) which is fixed on the internal heating cover (92) and is positioned in the heating device shell (91); the center of the hydrogen storage chemical bed base (4) is provided with a mounting hole (41) for mounting the internal heating device (9), the internal heating device (9) is connected in the mounting hole (41) in a penetrating manner and seals the mounting hole (41) through the internal heating cover (92), and the heating device shell (91) is positioned in the spiral center of the inner spiral pipe (71).
3. An in situ calorimetric fast tritium storage and supply bed according to claim 2, characterized in that: an internal thermocouple (94) is arranged on the internal heating cover (92), and the internal thermocouple (94) is positioned on the outer side of the heating device shell (91) and is distributed in parallel with the axial lead of the heating device shell (91).
4. An in situ calorimetric fast tritium storage and supply bed according to claim 3, characterized in that: the external heating device (3) is a spiral tubular electric furnace which is tightly attached to the inner wall of the vacuum heat-insulating cylinder (1), the power of the electric furnace is 3kw, and the temperature control range is 50-600 ℃.
5. An in situ calorimetric fast tritium storage and supply bed according to claim 4, characterized in that: the hydrogen storage chemical bed is characterized by further comprising an outer thermocouple (42), wherein a thermocouple mounting hole for mounting the outer thermocouple (42) is formed in the hydrogen storage chemical bed base (4), and the outer thermocouple (42) is mounted in the thermocouple mounting hole and is close to the inner spiral wall of the spiral tubular electric furnace.
6. An in situ calorimetric fast tritium storage and supply bed according to claim 5, characterized in that: the heating device shell (91) adopts
The stainless steel tube is packaged, and the power of the internal electric heating furnace (93) is 1 kw.
7. An in situ calorimetric fast tritium storage and supply bed according to claim 6, characterized in that: the vacuum heat-insulating cylinder (1) is in a hollow cylinder shape and is of a double-layer vacuum structure formed by double layers of stainless steel plates with the thickness of 1.5 mm.
8. An in situ calorimetric fast tritium storage and supply bed according to claim 7, characterized in that: and a valve for controlling the on-off of the pipeline is arranged on the hydrogen inlet and outlet pipe (8).
9. An in situ calorimetric fast tritium storage and supply bed according to claim 8, characterized in that: the electric simulation body (6) comprises a spiral shape which is coiled on the periphery of the 9 metal filter tubes
316L stainless steel pipe of (1), and a resistance value of 65 omegaA heating resistance wire armored into an electric heating tube and inserted in the electric heating tube
In a 316L stainless steel tube of (1), said
One end of the 316L stainless steel tube is fixed on the inner side surface of the hydrogen storage chemical bed base (4).
10. An in situ calorimetric fast tritium storage and supply bed according to any one of claims 1-9, characterized in that: the open end periphery ring of a vacuum heat preservation section of thick bamboo (1) is equipped with round connecting fin (11), and at least three installation screw hole (12) have been seted up to connecting fin (11) last circumference equidistance, store hydrogen chemical bed base (4) with each a base installation screw hole (43) have been seted up respectively to the corresponding position department of installation screw hole (12), store hydrogen chemical bed base (4) wear to locate through the bolt installation screw hole (12) and corresponding can dismantle in base installation screw hole (43) connect in the open end of a vacuum heat preservation section of thick bamboo (1).
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| JP2623245B2 (en) * | 1987-02-27 | 1997-06-25 | 日本原子力研究所 | Active metal bead |
| US5464988A (en) * | 1994-11-23 | 1995-11-07 | The United States Of America As Represented By The Department Of Energy | Tritium waste package |
| CN203922720U (en) * | 2014-06-13 | 2014-11-05 | 四川材料与工艺研究所 | A kind of Metal Hydride Beds |
| CN105568110B (en) * | 2016-03-17 | 2017-11-14 | 中国工程物理研究院材料研究所 | It is a kind of to be used to store AB type hydrogen storage alloys of tritium and preparation method thereof |
| CN108328577A (en) * | 2017-03-28 | 2018-07-27 | 北京中联电科技术有限公司 | A kind of hydrogen purifier |
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