CN104021819A - Design of cooling and tritium extracting loop for helium cooling solid state tritium multiplication covering layer multiplication unit - Google Patents
Design of cooling and tritium extracting loop for helium cooling solid state tritium multiplication covering layer multiplication unit Download PDFInfo
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- CN104021819A CN104021819A CN201410245348.7A CN201410245348A CN104021819A CN 104021819 A CN104021819 A CN 104021819A CN 201410245348 A CN201410245348 A CN 201410245348A CN 104021819 A CN104021819 A CN 104021819A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/10—Nuclear fusion reactors
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Abstract
The invention discloses a cooling and tritium extracting loop for a helium cooling solid state tritium multiplication covering layer multiplication unit. The loop comprises a pebble-bed zone of the multiplication unit. Two cooling plates are arranged in the pebble-bed zone. A helium cooling loop and a tritium extracting loop are arranged at one end of the pebble-bed zone. Helium in the helium cooling loop enters from a helium cooling loop gas inlet and enters the cooling plates after flow dividing by a bottom helium flow dividing cavity, then the helium enters a helium flow collecting cavity, and finally the helium flows out of the multiplication unit through a helium cooling loop gas outlet. Tritium extracting gas in the tritium extracting loop enters from a tritium extracting loop gas inlet and enters the pebble-bed zone after flow dividing by a bottom tritium extracting gas flow dividing cavity, tritium generated through reaction is taken away, then the gas enters a tritium extracting gas flow collecting cavity, and finally the gas flows out of the multiplication unit through a tritium extracting loop gas outlet. The requirement for cooling and tritium extracting of the multiplication unit is met, meanwhile, the cooling loop and the tritium extracting loop are integrated in a cavity, the functions of the cooling loop and the tritium loop are not affected, loop integration is achieved, and a tritium multiplication space is effectively enlarged.
Description
Technical field
the present invention relates to a kind of covering propagation unit cooling circuit and carry tritium loop design, especially a kind of for the cooling of the cold solid-state tritium propagation covering propagation of helium unit and carry tritium loop.
Background technology
Along with petering out of industrial development and fossil energy, magnetic confinement nuclear fusion is one of important research direction of energy development.Propagation covering is the important composition parts of following fusion reactor, is one of gordian technique realizing nuclear fusion generating.Its major function comprises: tritium propagation; Produce and remove the heat energy for generating electricity; Removing the first wall surface hot-fluid and nuclear heat makes the temperature of covering and stress lower than the allowable value of material.Propagation covering can be divided into solid blanket and the large class of liquid blanket two according to the difference of multiplication agent, and wherein solid blanket can mainly be divided into these two kinds of the cold solid blanket of helium and water-cooled solid blankets according to the difference of cooling medium again.Solid blanket has non-magnetic flow body dynamics (MHD) effect, cooling medium to advantages such as structured material non-corrosiveness.At present, the tritium multiplication agent of ball bed form and neutron multiplication agent have been widely used in the research of following fusion reactor propagation covering.Proliferator module mainly by tritium multiplication agent ball bed, neutron multiplication agent ball bed and and a series of coldplate, pipeline form, its major function have realize tritium propagation, to generating the removing etc. of extraction, deposition heat of tritium.
The tritium rate of increase of solid-state multiplication agent is owing to being subject to neutron number quantitative limitation, and the tritium rate of increase is relatively low, so need to place neutron multiplication agent to improve the tritium rate of increase in covering.The hydrogen that the tritium that breeding blanket produces is mainly carried by helium is taken out of and is delivered in tritium recovery system by modes such as isotope exchanges, and therefore must in covering, design the special tritium loop of carrying reclaims tritium, and the design of carrying tritium loop is a very complicated job.Tritium multiplication agent bead and neutron multiplication agent bead are subject to Thermal Load temperature rising to produce thermal stress, thereby cause distortion or the breakage of bead, so design special cooling circuit, take away timely and effectively multiplication agent and the thermal force of multiplication on agent material, to guarantee in scope that the Stress Control of material allows in design.In addition, in order to improve the tritium rate of increase, cooling circuit and carry shared space, tritium loop should be the smaller the better, how by cooling circuit and carry tritium loop be integrated in limited space but do not affect again two loops separately the realization of function be one of important content of propagation Unit Design.
Summary of the invention
The object of the invention is exactly in order to make up the defect of prior art, provides a kind of and breeds the cooling of unit and carry tritium loop for the cold solid-state tritium propagation covering of helium.
The present invention is achieved by the following technical solutions:
A kind of for the cooling of the cold solid-state tritium propagation of helium covering propagation unit and carry tritium loop, it is characterized in that: include propagation Qiu Chuan district, unit, in Qiu Chuan district, be provided with two coldplates, the one end in Qiu Chuan district is provided with helium cold loop and carries tritium loop, described helium cold loop includes helium cold loop air intake opening, helium shunting chamber, helium manifold, helium cold loop gas outlet, carrying tritium loop includes and carries tritium loop air intake opening, carry tritium gas shunting chamber, carry tritium gas manifold, carry gas outlet, tritium loop, helium cold loop air intake opening, helium shunting chamber, coldplate, helium manifold, helium cold loop gas outlet is connected successively, carry tritium loop air intake opening, carry tritium gas shunting chamber, carry tritium gas manifold, carrying gas outlet, tritium loop is connected successively, helium shunting chamber and helium manifold lay respectively at the both sides of end, Qiu Chuan district, carry tritium gas shunting chamber, carry outside and inner side that tritium gas manifold lays respectively at helium shunting chamber and helium manifold, in described helium cold loop, helium is entered by helium cold loop air intake opening, after bottom helium shunting chamber shunting, enters coldplate, then enters helium manifold, finally by helium cold loop gas outlet, flows out propagation unit, described carrying put forward tritium gas in tritium loop and entered by carrying tritium loop air intake opening, carries tritium gas shunting chamber shunt laggard goal bed district and take away the tritium that reaction produces through bottom, then enters and carries tritium gas manifold, finally by carrying gas outlet, tritium loop, flows out propagation unit.
Described breeds the cooling of unit and carries tritium loop for the cold solid-state tritium propagation covering of helium, it is characterized in that: the described pipe design of carrying tritium loop inlet, outlet becomes concentric pipe form.
Described for the cooling of the cold solid-state tritium propagation covering propagation of helium unit and carry tritium loop, it is characterized in that: described helium cold loop and carry tritium loop and all adopt inner notching construction, helium cold loop cooling medium is helium.
Described for the cooling of the cold solid-state tritium propagation covering propagation of helium unit and carry tritium loop, it is characterized in that: described coldplate, helium cold loop and carry tritium loop by low activation martensitic steel manufacture.
Described breeds the cooling of unit and carries tritium loop for the cold solid-state tritium propagation covering of helium, it is characterized in that: described helium cold loop inlet, outlet diameter 12mm; Carry tritium loop air intake opening diameter 24mm, carry gas outlet, tritium loop diameter 14mm; Coldplate thickness 5mm.
Described breeds the cooling of unit and carries tritium loop for the cold solid-state tritium propagation covering of helium, it is characterized in that: the size of described helium cold loop coolant flow and helium shunting chamber, helium manifold is determined according to the space at helium cold loop place and the required thermal load removing; The flow of putting forward tritium pipeline size and putting forward tritium gas is determined according to the specific design of propagation unit.
Advantage of the present invention is:
It is cooling and propose the requirement of tritium that the present invention has met propagation unit, simultaneously again by cooling circuit with carry tritium loop and be integrated in a chamber, but do not affect its function separately, realized effective increase in the integrated and tritium propagation space in loop.
Accompanying drawing explanation
Fig. 1 is propagation whole unit structural drawing.
Fig. 2 is the shunting chamber cut-away view from the observation of cooling circuit draft tube side.
Fig. 3 is the shunting chamber cut-away view from the observation of cooling circuit escape pipe side.
Fig. 4 is the cooling coldplate overall schematic in shunting chamber.
Fig. 5 is the cooling coldplate partial enlarged view in shunting chamber.
Embodiment
?as Fig. 1, 2, 3, 4, 5, a kind of for the cooling of the cold solid-state tritium propagation of helium covering propagation unit and carry tritium loop, include propagation Qiu Chuan district, unit 3, in Qiu Chuan district 3, be provided with two coldplates 4, 5, the one end in Qiu Chuan district 3 is provided with helium cold loop and carries tritium loop, helium cold loop includes helium cold loop air intake opening 1, shunting chamber 2, manifold 6, helium cold loop gas outlet 7, carrying tritium loop includes and carries tritium loop air intake opening 8, shunting chamber 9, manifold 10, carry gas outlet, tritium loop 11, helium cold loop air intake opening 1, shunting chamber 2, coldplate 4, 5 and manifold 6, helium cold loop gas outlet 7 is connected successively, carry tritium loop air intake opening 8, shunting chamber 9, manifold 10, carrying gas outlet, tritium loop 11 is connected successively, shunting chamber 2 and manifold 6 lay respectively at the both sides of 3 ends, Qiu Chuan district, shunting chamber 9, manifold 10 lays respectively at outside and the inner side of shunting chamber 2 and manifold 6, in helium cold loop, helium is entered by air intake opening 1, enters the coldplate 4,5 in Qiu Chuan district 3 after 2 shuntings of bottom tapping chamber again, enters manifold 6 last by 7 outflow propagation unit, gas outlet after outflow coldplate.Described carrying put forward tritium gas in tritium loop and entered by air intake opening 8, through bottom tapping chamber, 9 shunting laggard goal bed districts 2 take away the tritium that reaction produces, then enter air collecting chamber 10, finally by gas outlet 11, flow out propagation unit, carry tritium loop turnover tracheae and be designed to concentric pipe form.
Helium cold loop and carry tritium loop and all adopt inner notching construction, helium cold loop cooling medium is helium, coolant flow is determined according to thermal force and cooling requirement.
Air inlet/outlet 1,7,8,11, shunting chamber 2,9 manifolds 6,10 and coldplate 4,5 are manufactured by low activation martensitic steel (RAFM), meet physical strength and the heat conduction requirement of structure.
Helium cold loop air inlet/outlet 1,7 diameter 12mm; Carry tritium loop air intake opening 8 diameter 24mm, gas outlet 11 diameter 14mm; Coldplate thickness 5mm.
The size of the size of helium cold loop cooling line and coolant flow and shunting chamber manifold is determined according to the thermal force of the space at pipeline place and required transfer; The flow of putting forward tritium pipeline size and putting forward tritium gas is determined according to the amount of the space at pipeline place and the tritium that produces.
Claims (5)
1. for the cold solid-state tritium propagation covering of helium, breed the cooling of unit and carry tritium loop for one kind, it is characterized in that: include propagation Qiu Chuan district, unit, in Qiu Chuan district, be provided with two coldplates, the one end in Qiu Chuan district is provided with helium cold loop and carries tritium loop, described helium cold loop includes helium cold loop air intake opening, helium shunting chamber, helium manifold, helium cold loop gas outlet, carrying tritium loop includes and carries tritium loop air intake opening, carry tritium gas shunting chamber, carry tritium gas manifold, carry gas outlet, tritium loop, helium cold loop air intake opening, helium shunting chamber, coldplate, helium manifold, helium cold loop gas outlet is connected successively, carry tritium loop air intake opening, carry tritium gas shunting chamber, carry tritium gas manifold, carrying gas outlet, tritium loop is connected successively, helium shunting chamber and helium manifold lay respectively at the both sides of end, Qiu Chuan district, carry tritium gas shunting chamber, carry outside and inner side that tritium gas manifold lays respectively at helium shunting chamber and helium manifold, in described helium cold loop, helium is entered by helium cold loop air intake opening, after bottom helium shunting chamber shunting, enters coldplate, then enters helium manifold, finally by helium cold loop gas outlet, flows out propagation unit, described carrying put forward tritium gas in tritium loop and entered by carrying tritium loop air intake opening, carries tritium gas shunting chamber shunt laggard goal bed district and take away the tritium that reaction produces through bottom, then enters and carries tritium gas manifold, finally by carrying gas outlet, tritium loop, flows out propagation unit.
2. according to claim 1 for the cooling of the cold solid-state tritium propagation of helium covering propagation unit and carry tritium loop, it is characterized in that: the described pipe design of carrying tritium loop inlet, outlet becomes concentric pipe form.
3. according to claim 1 for the cooling of the cold solid-state tritium propagation of helium covering propagation unit and carry tritium loop, it is characterized in that: described helium cold loop and carry tritium loop and all adopt inner notching construction, helium cold loop cooling medium is helium.
4. according to claim 1 for the cooling of the cold solid-state tritium propagation of helium covering propagation unit and carry tritium loop, it is characterized in that: described coldplate, helium cold loop and carry tritium loop by low activation martensitic steel manufacture.
5. according to claim 1 for the cooling of the cold solid-state tritium propagation of helium covering propagation unit and carry tritium loop, it is characterized in that: the size of described helium cold loop coolant flow and helium shunting chamber, helium manifold is determined according to the space at helium cold loop place and the required thermal load removing; The flow of putting forward tritium pipeline size and putting forward tritium gas is determined according to the specific design of propagation unit.
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| CN201410245348.7A CN104021819B (en) | 2014-06-04 | 2014-06-04 | Design of cooling and tritium extracting loop for helium cooling solid state tritium multiplication covering layer multiplication unit |
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| CN201410245348.7A CN104021819B (en) | 2014-06-04 | 2014-06-04 | Design of cooling and tritium extracting loop for helium cooling solid state tritium multiplication covering layer multiplication unit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409107A (en) * | 2014-10-24 | 2015-03-11 | 中国科学院等离子体物理研究所 | Superconducting magnetic confinement fusion reactor fast thermal neutron coupled water-cooled tritium production solid cladding layer |
| CN104538074A (en) * | 2014-12-03 | 2015-04-22 | 中国核动力研究设计院 | Tritium trap device used for removing tritium in helium-3 gas, and tritium-removing method |
| CN105761762A (en) * | 2014-12-19 | 2016-07-13 | 核工业西南物理研究院 | Novel test blanket testing device for tritium breeding and heat rejection |
| CN105761763A (en) * | 2014-12-19 | 2016-07-13 | 核工业西南物理研究院 | Backboard system structure of solid-state tritium production cladding experiment module |
| CN105976874A (en) * | 2016-02-26 | 2016-09-28 | 中国科学院等离子体物理研究所 | Partition tritium purging system suitable for fusion reactor solid cladding |
| CN106935284A (en) * | 2015-12-30 | 2017-07-07 | 核工业西南物理研究院 | A kind of fusion reactor cooling system |
| CN107067918A (en) * | 2017-06-16 | 2017-08-18 | 西南石油大学 | The helium experimental loop device of fusion reactor |
| CN107093466A (en) * | 2017-03-22 | 2017-08-25 | 中国科学院合肥物质科学研究院 | A kind of fusion reactor helium cold cladding structure of bushing type |
| CN107930400A (en) * | 2017-12-07 | 2018-04-20 | 中国工程物理研究院核物理与化学研究所 | A kind of hydrogen helium separation and hydrogen isotope concentration coupled system and method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409107A (en) * | 2014-10-24 | 2015-03-11 | 中国科学院等离子体物理研究所 | Superconducting magnetic confinement fusion reactor fast thermal neutron coupled water-cooled tritium production solid cladding layer |
| CN104538074A (en) * | 2014-12-03 | 2015-04-22 | 中国核动力研究设计院 | Tritium trap device used for removing tritium in helium-3 gas, and tritium-removing method |
| CN105761762A (en) * | 2014-12-19 | 2016-07-13 | 核工业西南物理研究院 | Novel test blanket testing device for tritium breeding and heat rejection |
| CN105761763A (en) * | 2014-12-19 | 2016-07-13 | 核工业西南物理研究院 | Backboard system structure of solid-state tritium production cladding experiment module |
| CN106935284A (en) * | 2015-12-30 | 2017-07-07 | 核工业西南物理研究院 | A kind of fusion reactor cooling system |
| CN106935284B (en) * | 2015-12-30 | 2019-05-17 | 核工业西南物理研究院 | A kind of fusion reactor cooling system |
| CN105976874A (en) * | 2016-02-26 | 2016-09-28 | 中国科学院等离子体物理研究所 | Partition tritium purging system suitable for fusion reactor solid cladding |
| CN107093466A (en) * | 2017-03-22 | 2017-08-25 | 中国科学院合肥物质科学研究院 | A kind of fusion reactor helium cold cladding structure of bushing type |
| CN107093466B (en) * | 2017-03-22 | 2019-01-04 | 中国科学院合肥物质科学研究院 | A kind of cold cladding structure of fusion reactor helium of bushing type |
| CN107067918A (en) * | 2017-06-16 | 2017-08-18 | 西南石油大学 | The helium experimental loop device of fusion reactor |
| CN107067918B (en) * | 2017-06-16 | 2019-02-19 | 西南石油大学 | The helium experimental loop device of fusion reactor |
| CN107930400A (en) * | 2017-12-07 | 2018-04-20 | 中国工程物理研究院核物理与化学研究所 | A kind of hydrogen helium separation and hydrogen isotope concentration coupled system and method |
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Address after: 230001 no.181 Gucheng Road, shiyangang Township, Hefei City, Anhui Province Patentee after: INSTITUTE OF PLASMA PHYSICS, CHINESE ACADEMY OF SCIENCES Address before: 230031 Shushan Lake Road, Shushan District, Anhui, China, No. 350, No. Patentee before: INSTITUTE OF PLASMA PHYSICS, CHINESE ACADEMY OF SCIENCES |
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