CN107218678A - It is a kind of to strengthen the system of the aeration-cooling effect of radioactivity heater Dry storage - Google Patents
It is a kind of to strengthen the system of the aeration-cooling effect of radioactivity heater Dry storage Download PDFInfo
- Publication number
- CN107218678A CN107218678A CN201710324125.3A CN201710324125A CN107218678A CN 107218678 A CN107218678 A CN 107218678A CN 201710324125 A CN201710324125 A CN 201710324125A CN 107218678 A CN107218678 A CN 107218678A
- Authority
- CN
- China
- Prior art keywords
- radioactivity
- heater
- storeroom
- ventilation
- exhaust duct
- 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
Links
- 238000003860 storage Methods 0.000 title claims abstract description 31
- 230000000694 effects Effects 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 238000009423 ventilation Methods 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 7
- 239000010808 liquid waste Substances 0.000 claims description 7
- 238000005399 mechanical ventilation Methods 0.000 claims description 6
- 206010037660 Pyrexia Diseases 0.000 claims description 3
- 230000027950 fever generation Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 229910001562 pearlite Inorganic materials 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000002708 enhancing effect Effects 0.000 abstract description 16
- 230000001681 protective effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 235000019362 perlite Nutrition 0.000 description 2
- 239000010451 perlite Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000024287 Areas Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Building Environments (AREA)
Abstract
The invention belongs to technical field of nuclear waste treatment, it is related to a kind of system of the enhancing aeration-cooling effect of radioactivity heater Dry storage.Described system includes radioactivity heater storeroom, radioactivity heater storage well, thermal protection layer, intake stack, exhaust duct；Radioactivity heater storage well is arranged in radioactivity heater storeroom, for storing radioactivity heater；Radioactivity heater storeroom has concrete structure main body, and apply has thermal protection layer on the inwall of concrete structure main body, and thermal protection layer plays heat-insulated protective action to concrete structure main body；Intake stack is used to be passed through air in radiotropism heater storeroom；Exhaust duct is used to discharge the air in radioactivity heater storeroom.Using the system of the present invention, the thermal protection ability of concrete structure main body can be strengthened, the temperature of storage area air is effectively improved, strengthen the ability of passive gravity-flow ventilation, force ventilation is reduced and use probability, reduce system operation expense.
Description
Technical field
The invention belongs to technical field of nuclear waste treatment, it is related to a kind of enhancing radioactivity heater Dry storage aeration-cooling
The system of effect.
Background technology
The sustained release decay heat during storage of high activity liquid waste glass solidified body, consolidates so being stored with high activity liquid waste glass
Changing the factory building of body needs constantly to export decay heat by ventilation, otherwise the temperature of building enclosure concrete can be caused to exceed
Resistance to extreme temperature, destroys structural behaviour, causes potential safety hazard.
Have completely aeration-cooling to high activity liquid waste glass solidified body temporary library using the method for mechanical forced ventilation at present,
Have what is cooled completely using the method for gravity-flow ventilation, also there is the method being combined using machinery and gravity-flow ventilation to cool to temporary library
's.But no matter using which kind of method of ventilation cooling, often because not accounting for strengthening making the heat-insulated protection of concrete structure
The utilization time of ventilation and ventilation effect are greatly affected, and gravity-flow ventilation could not be more given full play to when gravity-flow ventilation
This passive mode that cools saves the advantage of the energy, economical and efficient.
The content of the invention
The primary and foremost purpose of the present invention is to provide a kind of system of the enhancing aeration-cooling effect of radioactivity heater Dry storage,
To strengthen the thermal protection ability of concrete structure main body, the temperature of radioactivity heater storage area air is effectively improved, is strengthened non-
The ability of active gravity-flow ventilation, reduces force ventilation and uses probability, reduce system operation expense.
In order to achieve this, in the embodiment on basis, the present invention provides a kind of enhancing radioactivity heater dry method storage
The system for depositing aeration-cooling effect, described system includes radioactivity heater storeroom, radioactivity heater storage well, heat-insulated
Overcoat, intake stack, exhaust duct,
Described radioactivity heater storage well is arranged in described radioactivity heater storeroom, described for storing
Radioactivity heater；
Described radioactivity heater storeroom has concrete structure main body, and in described concrete structure main body
Apply has described thermal protection layer on inwall, and described thermal protection layer plays heat-insulated anti-to described concrete structure main body
Shield is acted on；
Described intake stack is used to be passed through air into described radioactivity heater storeroom；
Described exhaust duct is used to discharge the air in described radioactivity heater storeroom.
In a preferred embodiment, a kind of enhancing radioactivity heater Dry storage of present invention offer is aeration-cooling
The system of effect, wherein the material of described thermal protection layer is higher than described radioactivity heater most for permission temperature in use
High-temperature, density is light, and thermal conductivity is low, the material that can be very well combined with concrete.
In a preferred embodiment, a kind of enhancing radioactivity heater Dry storage of present invention offer is aeration-cooling
The system of effect, wherein the material of described thermal protection layer is industrial furnace or heat distribution pipeline insulation heat-barrier material.
In a preferred embodiment, a kind of enhancing radioactivity heater Dry storage of present invention offer is aeration-cooling
The system of effect, wherein the material of described thermal protection layer is expanded perlite product.
In a preferred embodiment, a kind of enhancing radioactivity heater Dry storage of present invention offer is aeration-cooling
The system of effect, wherein described intake stack air intake and/or described exhaust duct air draft using mechanical forced ventilation and/or
Gravity-flow ventilation.
In a preferred embodiment, a kind of enhancing radioactivity heater Dry storage of present invention offer is aeration-cooling
The system of effect, wherein combination of the described exhaust duct air draft using mechanical forced ventilation and gravity-flow ventilation, it is described from
It is parallel with the pipeline for force ventilation on the part exhaust duct so divulged information, is installed on the exhaust duct of described force ventilation
Having mechanical ventilation equipment, (in the present invention, the intake stack and exhaust duct of gravity-flow ventilation have force ventilation function concurrently, but machinery is logical
The intake stack and exhaust duct of wind do not possess natural ventilating function).
In a preferred embodiment, a kind of enhancing radioactivity heater Dry storage of present invention offer is aeration-cooling
The system of effect, wherein described mechanical ventilation equipment includes exhaust-air filter and/or exhaust blower.
In a preferred embodiment, a kind of enhancing radioactivity heater Dry storage of present invention offer is aeration-cooling
The system of effect, wherein using the described intake stack and exhaust duct of gravity-flow ventilation to be that 4 grades or 5 level securities level are set；Adopt
Set with the intake stack and exhaust duct described in mechanical forced ventilation for non-security level.
In a preferred embodiment, a kind of enhancing radioactivity heater Dry storage of present invention offer is aeration-cooling
The system of effect, wherein the end connection chimney of described exhaust duct.
In a preferred embodiment, a kind of enhancing radioactivity heater Dry storage of present invention offer is aeration-cooling
The system of effect, wherein described radioactivity heater is high activity liquid waste glass solidified body.
The beneficial effects of the present invention are utilize the aeration-cooling effect of enhancing radioactivity heater Dry storage of the present invention
System, tradition be stored with high activity liquid waste glass solidification heater concrete storeroom the heat-insulated protection of one layer of inwall apply
Concrete structure main body and radioactivity heater, can be effectively isolated, the work of heat-insulated protection is played to concrete structure main body by layer
With, the heat that heater is distributed is not received by concrete structure main body directly, reduction concrete structure body temperature to 65 DEG C
Hereinafter, destruction of the high temperature to concrete structure is reduced, and then extends the service life of concrete.Increase after thermal protection layer,
The thermal protection ability of concrete structure main body is not only increased, the temperature of radioactivity heater storage area air can also be effectively improved
Degree, promotes thermal convection current, so as to strengthen the ability of passive gravity-flow ventilation, extension utilizes the time of gravity-flow ventilation, so as to be abundant
Using gravity-flow ventilation, reduce force ventilation and use probability, reduction operating cost has laid good basis.
Brief description of the drawings
Fig. 1 is the composition of the system of the exemplary aeration-cooling effect of enhancing radioactivity heater Dry storage of the invention
(pipeline that thick line is represented in figure is the pipeline for having mechanical forced ventilation and natural ventilating function concurrently to figure, and the pipeline that fine rule is represented is
Only possesses the pipeline of mechanical forced ventilation function).
Embodiment
The embodiment of the present invention is further illustrated below in conjunction with accompanying drawing.
The system of the exemplary aeration-cooling effect of enhancing radioactivity heater Dry storage of the invention as shown in figure 1,
Including thermal protection layer 1, concrete structure main body 2, radioactivity heater storage well 3, intake stack 4, exhaust duct 5, chimney
6th, exhaust-air filter 7, exhaust blower 8, radioactivity heater storeroom 9.
Radioactivity heater storage well 3 is arranged in radioactivity heater storeroom 9, for storing as radiation heat pyrexia
The high activity liquid waste glass solidified body of body.
Radioactivity heater storeroom 9 has concrete structure main body 2, and the note on the inwall of concrete structure main body 2
Thermal protection layer 1 is covered with, thermal protection layer 1 plays heat-insulated protective action to concrete structure main body 2.
The material of thermal protection layer 1 is allows temperature in use to be higher than the maximum temperature of radioactivity heater, and density is light, thermal conductivity
Rate is low, the material that can be very well combined with concrete.Because there is no water in radioactivity heater storeroom 9, and radiation heat pyrexia
The indoor temperature of body storeroom 9 is relatively low with respect to industrial furnace and heat power equipment pipe temperature, so conventional industrial furnace or heat
Hydraulic piping heat preserving and insulating material (such as expanded perlite product) may be used as the material of thermal protection layer 1.
Intake stack 4 is used to be passed through air in radiotropism heater storeroom 9.
Exhaust duct 5 is used to discharge the chimney 6 that air to its end in radioactivity heater storeroom 9 is connected.
Intake stack 4 has mechanical forced ventilation and natural ventilating function concurrently, and exhaust duct 5 has mechanical forced concurrently in part and led to
The pipeline for only possessing mechanical forced ventilation function is parallel with the pipeline of wind and natural ventilating function, is led to only possessing mechanical forced
Mechanical ventilation equipment exhaust-air filter 7 and exhaust blower 8 are successively installed on the pipeline of wind function, and valve is installed.
It is 4 grades or 5 level securities level to have the intake stack 4 and exhaust duct 5 of mechanical forced ventilation and natural ventilating function concurrently
Set, the mechanical ventilation equipment (He of exhaust-air filter 7 for only possessing the exhaust duct 5 of mechanical forced ventilation function and installing thereon
Exhaust blower 8) set for non-security level.
The thickness of thermal protection layer 1 and the combination condition using the ambient temperature condition required for equal temperature technique of circulation,
It is the actual conditions that decay heat is discharged according to radioactivity heater, with reference to the Thermal Analysis of Fluent simulation softwards, is drawn
The combination condition of corresponding decay heat, outside air temperature and the thickness of thermal protection layer 1.I.e. under certain decay calorific intensity, correspondence
There are an outdoor temperature and the thickness of thermal protection layer 1, the outdoor climate conditions below the thickness of thermal protection layer 1 and the temperature
Under just can use gravity-flow ventilation for factory building cool.
The above-mentioned radioactivity heater storeroom for employing thermal protection layer, can bear higher under natural ventilation system
Indoor temperature, is added using the aeration-cooling probability of passive mode, and can be fully phased out in weather conditions Favorable Areass
Mechanical forced ventilation mode, it is only necessary to use passive natural ventilation system.So both improve security and reduce equipment
Investment, and effectively reduce the operation and maintenance cost of temporary library.
Meanwhile, the present invention, which can be promoted the use of, to be stored with the power house ventilation of other heaters.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations to the present invention belong to the model of the claims in the present invention and its equivalent technology
Within enclosing, then the present invention is also intended to comprising including these changes and modification.Above-described embodiment or embodiment are simply to the present invention
For example, the present invention can also be implemented with other ad hoc fashions or other particular form, without departing from the present invention's
Main idea or substantive characteristics.Therefore, it is regarded as from the point of view of the embodiment of description is in terms of any illustrative and non-limiting.This
The scope of invention should be illustrated that any change equivalent with the intention and scope of claim should also be included by appended claims
Within the scope of the invention.
Claims (10)
1. a kind of strengthen the system of the aeration-cooling effect of radioactivity heater Dry storage, it is characterised in that described system bag
Radioactivity heater storeroom, radioactivity heater storage well, thermal protection layer, intake stack, exhaust duct are included,
Described radioactivity heater storage well is arranged in described radioactivity heater storeroom, for storing described put
Penetrate heat pyrexia body；
Described radioactivity heater storeroom has concrete structure main body, and in the inwall of described concrete structure main body
Upper apply has described thermal protection layer, and described thermal protection layer plays heat-insulated protection to described concrete structure main body and made
With；
Described intake stack is used to be passed through air into described radioactivity heater storeroom；
Described exhaust duct is used to discharge the air in described radioactivity heater storeroom.
2. system according to claim 1, it is characterised in that：The material of described thermal protection layer is permission temperature in use
Higher than the maximum temperature of described radioactivity heater, density is light, and thermal conductivity is low, the material that can be very well combined with concrete.
3. system according to claim 1 or 2, it is characterised in that：The material of described thermal protection layer is industrial furnace
Or heat distribution pipeline insulation heat-barrier material.
4. system according to claim 1 or 2, it is characterised in that：The material of described thermal protection layer is expanded pearlite
Rock product.
5. system according to claim 1, it is characterised in that：Described intake stack air intake and/or described exhaust duct
Road air draft uses mechanical forced ventilation and/or gravity-flow ventilation.
6. system according to claim 5, it is characterised in that：Described exhaust duct air draft is using mechanical forced ventilation and certainly
The combination so divulged information, is parallel with the pipeline for force ventilation on the part exhaust duct of described gravity-flow ventilation, described
Mechanical ventilation equipment is installed on the pipeline of force ventilation.
7. system according to claim 6, it is characterised in that：Described mechanical ventilation equipment include exhaust-air filter and/
Or exhaust blower.
8. system according to claim 5, it is characterised in that：Using the intake stack and exhaust duct described in gravity-flow ventilation
Road is that 4 grades or 5 level securities level are set；Intake stack and exhaust duct described in mechanical forced ventilation is used to be set for non-security level
Put.
9. system according to claim 1, it is characterised in that：The end connection chimney of described exhaust duct.
10. system according to claim 1, it is characterised in that：Described radioactivity heater is solid for high activity liquid waste glass
Change body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324125.3A CN107218678A (en) | 2017-05-10 | 2017-05-10 | It is a kind of to strengthen the system of the aeration-cooling effect of radioactivity heater Dry storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324125.3A CN107218678A (en) | 2017-05-10 | 2017-05-10 | It is a kind of to strengthen the system of the aeration-cooling effect of radioactivity heater Dry storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107218678A true CN107218678A (en) | 2017-09-29 |
Family
ID=59944016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710324125.3A Pending CN107218678A (en) | 2017-05-10 | 2017-05-10 | It is a kind of to strengthen the system of the aeration-cooling effect of radioactivity heater Dry storage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218678A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926945A (en) * | 2020-08-26 | 2020-11-13 | 中国核电工程有限公司 | Method for reducing ventilation volume of heating equipment chamber and heating equipment chamber |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202563903U (en) * | 2012-03-16 | 2012-11-28 | 中国核电工程有限公司 | Nuclear power intermediate-level waste storage vault |
| CN104596017A (en) * | 2014-12-11 | 2015-05-06 | 中国核电工程有限公司 | Ventilation cooling device for heating element storage factory |
| CN105551539A (en) * | 2015-12-11 | 2016-05-04 | 中国核电工程有限公司 | Reactor melt out-of-core retention system |
| CN205227661U (en) * | 2015-11-20 | 2016-05-11 | 浙江金盾风机股份有限公司 | Dry ice decontamination system fume chamber for nuclear power |
| CN105590659A (en) * | 2015-12-31 | 2016-05-18 | 清华大学 | Residual heat removal ventilation system for dry storage of spent fuel in nuclear power station |
-
2017
- 2017-05-10 CN CN201710324125.3A patent/CN107218678A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202563903U (en) * | 2012-03-16 | 2012-11-28 | 中国核电工程有限公司 | Nuclear power intermediate-level waste storage vault |
| CN104596017A (en) * | 2014-12-11 | 2015-05-06 | 中国核电工程有限公司 | Ventilation cooling device for heating element storage factory |
| CN205227661U (en) * | 2015-11-20 | 2016-05-11 | 浙江金盾风机股份有限公司 | Dry ice decontamination system fume chamber for nuclear power |
| CN105551539A (en) * | 2015-12-11 | 2016-05-04 | 中国核电工程有限公司 | Reactor melt out-of-core retention system |
| CN105590659A (en) * | 2015-12-31 | 2016-05-18 | 清华大学 | Residual heat removal ventilation system for dry storage of spent fuel in nuclear power station |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926945A (en) * | 2020-08-26 | 2020-11-13 | 中国核电工程有限公司 | Method for reducing ventilation volume of heating equipment chamber and heating equipment chamber |
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Application publication date: 20170929 |