EP1222668A2 - Lagerhalle für mit wärmeerzeugendem radioaktivem material gefüllte behälter - Google Patents
Lagerhalle für mit wärmeerzeugendem radioaktivem material gefüllte behälterInfo
- Publication number
- EP1222668A2 EP1222668A2 EP00971301A EP00971301A EP1222668A2 EP 1222668 A2 EP1222668 A2 EP 1222668A2 EP 00971301 A EP00971301 A EP 00971301A EP 00971301 A EP00971301 A EP 00971301A EP 1222668 A2 EP1222668 A2 EP 1222668A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling air
- air
- warehouse according
- warehouse
- radiation
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F7/00—Shielded cells or rooms
- G21F7/015—Room atmosphere, temperature or pressure control devices
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/34—Disposal of solid waste
Definitions
- the invention relates to a warehouse for containers filled with heat-generating, radioactive material according to the Oberoeg ⁇ ff of claim 1.
- a warehouse of this type is known from "Nuclear Engineering International", October 1980, SS 53-54, in which the two longitudinal walls are designed as ventilation walls.
- the Kuhl_.uft streams emanating from both sides of the hall meet approximately in the middle of the hall and are redirected there.
- the area forming the middle deflection zone is not occupied by containers in order not to impair the deflection of the floor flows into backflow flows directed towards the ventilation walls.
- the Kuhl Kunststoffemlasse are each provided with an installation that increases the flow resistance of the natural drafts.
- Another storage hall of the generic type is known from CH-PS 664414, in which an installation with air baffles for dividing the cooling air flow into a plurality of superimposed partial flows is additionally provided in the area of each cooling air outlet. Only one hall wall is designed as a ventilation wall, and the long transport aisle is arranged near the other hall wall. The effectiveness of the convective heat transfer is already increased by the fanning out of the partial flows and the flow to the containers at different heights, with excellent radiation protection also being achieved.
- the invention is based on the consideration that the natural draft air cooling within the warehouse is essentially dependent on minimizing the flow resistance in the cooling air inlets. A deflection is unavoidable for reasons of radiation protection, however, so that at least one Z-shaped cooling air duct of such dimensions is necessary that a direct escape of the radiation from the containers to be cooled is reliably avoided.
- the invention has for its object to improve the natural draft air flows into the interior of the warehouse and thereby increase the effectiveness of the container cooling.
- the invention provides the features of claim 1.
- the curved air guiding lamellae in the transition area between the cooling air outlet and a duct section leading to the cooling air outlet bring about an equalization of the cooling air flow and reduce the turbulence associated with friction losses.
- the friction losses due to the redirection in the Z-shaped cooling air duct necessary for radiation protection reasons are minimized.
- the fanning out of air when the containers flow against the side is favored.
- the desired effect of reducing flow losses can be improved in a further development of the invention in that the exhaust air outlets are arranged in the upper region of a hall wall opposite the cooling air duct and each have at least one L-shaped exhaust air section and that at the deflection point of the L-shaped exhaust air duct section curved air guiding lamellae are installed, which uniformize the flow path of the exhaust air in the deflection area and deflect it into an essentially vertical duct section.
- the air guiding lamellae can be designed, for example, as segments of hollow cylinders and / or as curved wings.
- the radii of curvature of the air guide fins should increase from the inside to the outside.
- the corner areas around the cooling air outlet and outlet can be rounded or beveled. This also results in a shortening of the flow paths for the flow threads flowing inside at the deflection points and, accordingly, a partial shortening of the flow paths.
- the outside corners of the Z-shaped or L-shaped cooling air and exhaust air ducts are equipped with elements acting as radiation traps.
- the canal walls can be covered with radiation-absorbing material.
- the material of the channel walls can be mixed with a radiation-absorbing material; for example, a drill connection can be added to the concrete of the channel walls.
- the elements acting as radiation traps are projections arranged at a mutual distance from one another. These projections are preferably m recessed wall recesses in the corner area.
- the advantages of the invention can be used not only in the preferred arrangement, in which only one hall wall is designed as a ventilation wall and the long transport aisle is placed on the other hall wall.
- the effect of improving natural draft air cooling can also be used in warehouses in which the exhaust air outlets are arranged in the ceiling area.
- FIG. 1 is a schematic vertical sectional view through a first embodiment of the warehouse, with curved air guide lamellae being installed at the respective first deflection points in the transition area between the cooling air outlet and the duct section leading to the cooling air outlet, and in an L-shaped exhaust air duct;
- FIG. 2 shows an enlarged partial section with a modified cooling air duct, in which the outer corners of the Z-shaped against the cooling air duct are covered with projections acting as radiation traps;
- Figure 3 shows an alternative warehouse arrangement with two opposing ventilation walls, the cooling air channels are provided with curved air duct lamellae.
- the warehouse shown in FIG. 1 has a cooling air wall 1 and an exhaust air wall 2, furthermore a flat floor 3 and a roof 4.
- a plurality of Z-shaped cooling air ducts 10 are formed in the wall 1, only one of which is shown.
- a plurality of L-shaped exhaust air outlets 20 are arranged in the opposite wall 2, only one of which is also shown.
- Each cooling air duct has a cooling air outlet 11, through which cooling air KL is sucked in approximately horizontally, an adjoining, approximately vertical duct section 12 and a cooling air outlet 13 arranged in the lower end of the duct section 12 near the ground.
- the cooling air KL is formed in the Z-shaped by means of a pressure drop resulting from free convection flow
- the incoming cooling air flows essentially along the floor to the long transport aisle 6, is deflected at the wall 2 and flows back with decreasing volumes and increasing flow rates. This reverse flow absorbs further heat from the containers 5.
- the intake of heated cow air in the area between the containers is relatively low; depending on the degree of heating, the heated air AL initially rises in the direction of the ceiling 4 designed as a flat roof and is deflected to the exhaust air ducts 20.
- Each exhaust air duct 20 is delimited by a lower overhang 21 at its inlet end facing the warehouse interior space and projects with its upper outlet 22 like a chimney above the ceiling 4.
- the vertical section 23 of the L-shaped exhaust air duct is dimensioned at least so long that a direct escape of radiation from the containers 5 to the outside is excluded.
- curved air guiding blades 14 are installed according to the invention.
- the air guiding lamellae 14 ensure a uniform deflection of the cooling air flow into the vertical duct section 12 and thus a reduced flow resistance.
- the air guide fins can be designed as segments of hollow cylinders, the radii of curvature of which increase from the inner corner of the wall 1 in the direction of the L-shaped outer wall section.
- the air guiding lamellae can, however, also be designed as curved aerofoils which oppose the flow of cooling air KL with low flow resistance.
- curved air guide fins 24 Similar internals of curved air guide fins 24 are also installed at the deflection point of the L-shaped exhaust air duct 20. Their design and effect correspond to those of the curved air guiding fins 14 in the cooling air duct 10.
- FIG. 2 shows a modified embodiment of the cooling air duct 10 '.
- elements acting as radiation traps in the form of in mutual distance and recessed projections 16 arranged in the corner area of the L-shaped boundary wall 15 facing the warehouse interior 8 .
- a corresponding projection arrangement is also arranged in the outer corner area at the transition between the wall 1 and the floor 3 'of the warehouse.
- the bottom-side group of projections 16 ends in the area of the cooling air outlet 13 '.
- the vertical arrangement of projections 16 still ends below the upper limit of the cooling air outlet 13 '.
- This arrangement of projections 16 acting as beam traps changes the flow behavior of the cooling air KL only insignificantly, since the main flow follows the shorter flow path both at the upper and at the lower deflection point of the Z-shaped cooling air duct.
- cow air outlet 11 and cow air outlet 13 ' are provided with bevels 17 in the exemplary embodiment shown in FIG.
- bevels 17 instead of the bevels, roundings can also be provided.
- the bevels or roundings 17 also contribute to the homogenization of the cooling air flow and thus to the reduction of the flow resistance.
- FIG. 3 shows another type of warehouse, in which the two mutually opposite walls 1 and 2 'are designed as ventilation walls.
- Kuhl poverty KL flows from both opposite long sides through Z-shaped Kuhl Kunststoffkanale 10 into the interior 8 of the warehouse.
- curved air guiding lamellae 14 are installed, which uniformize the flow path of the cooling air.
- exhaust air outlets 9 are formed in the hall roof 4 '. They are protected against the effects of the weather.
- the containers 5 are rewound from both sides by incoming cooling air KL in transverse transport aisles, with a transfer of heat taking place. The heated air rises to the warehouse roof 4 'due to its lower specific density.
- the long transport aisle is arranged approximately in the middle of the warehouse near the floor in this embodiment.
- the walls of the cooling air ducts 10 as well as the exhaust air ducts 20 can be covered with a radiation-absorbing material in order to minimize any radiation emissions.
- a radiation-absorbing material is, for example, polyethylene.
- a radiation-absorbing material can be added to the material of the channel walls to improve radiation protection. Boron compounds, for example, which are mixed with the concrete of the warehouse walls, particularly in the area of the channels 10, are suitable.
- rounded or curved corner areas can also be provided, which, due to their shape, even out the flow.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Environmental & Geological Engineering (AREA)
- Ventilation (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19949297 | 1999-10-13 | ||
DE19949297A DE19949297A1 (de) | 1999-10-13 | 1999-10-13 | Lagerhalle für mit wärmeerzeugendem radioaktivem Material gefüllte Behälter |
PCT/EP2000/009536 WO2001027936A2 (de) | 1999-10-13 | 2000-09-29 | Lagerhalle für mit wärmeerzeugendem radioaktivem material gefüllte behälter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1222668A2 true EP1222668A2 (de) | 2002-07-17 |
EP1222668B1 EP1222668B1 (de) | 2004-03-31 |
Family
ID=7925461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00971301A Expired - Lifetime EP1222668B1 (de) | 1999-10-13 | 2000-09-29 | Lagerhalle für mit wärmeerzeugendem radioaktivem material gefüllte behälter |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1222668B1 (de) |
AT (1) | ATE263415T1 (de) |
DE (2) | DE19949297A1 (de) |
WO (1) | WO2001027936A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103040860B (zh) * | 2012-11-29 | 2018-08-14 | 刘学武 | 一种启动哺乳动物干细胞的方法及二氧化氯在制备用于启动哺乳动物干细胞的药物的应用 |
DE202016106216U1 (de) | 2016-11-07 | 2016-11-18 | Detlef Brüggemann | Traghallenanordnung |
CN109659057B (zh) * | 2019-02-01 | 2024-07-19 | 中国原子能科学研究院 | 具备放射性包容的研究堆密封厂房及封闷方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3101540C2 (de) * | 1981-01-20 | 1985-02-14 | Nukem Gmbh, 6450 Hanau | Vorrichtung zur Lagerung wärmefreisetzender Radionuklidkonfigurationen |
DE3317634C2 (de) * | 1983-05-14 | 1986-12-18 | Steag Kernenergie Gmbh, 4300 Essen | Lagerhalle für mit wärmeerzeugendem radioaktivem Material gefüllte Behälter |
FR2601809B1 (fr) * | 1986-07-17 | 1988-09-16 | Commissariat Energie Atomique | Dispositif de stockage a sec de materiaux degageant de la chaleur, notamment de materiaux radioactifs |
-
1999
- 1999-10-13 DE DE19949297A patent/DE19949297A1/de not_active Withdrawn
-
2000
- 2000-09-29 AT AT00971301T patent/ATE263415T1/de not_active IP Right Cessation
- 2000-09-29 DE DE50005927T patent/DE50005927D1/de not_active Expired - Lifetime
- 2000-09-29 EP EP00971301A patent/EP1222668B1/de not_active Expired - Lifetime
- 2000-09-29 WO PCT/EP2000/009536 patent/WO2001027936A2/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO0127936A2 * |
Also Published As
Publication number | Publication date |
---|---|
DE50005927D1 (de) | 2004-05-06 |
ATE263415T1 (de) | 2004-04-15 |
DE19949297A1 (de) | 2001-04-26 |
WO2001027936A2 (de) | 2001-04-19 |
WO2001027936A3 (de) | 2002-05-10 |
EP1222668B1 (de) | 2004-03-31 |
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