CA2727487C - Nuclear reactor plant with hazardous waste management and tooling management facilities - Google Patents
Nuclear reactor plant with hazardous waste management and tooling management facilities Download PDFInfo
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- CA2727487C CA2727487C CA2727487A CA2727487A CA2727487C CA 2727487 C CA2727487 C CA 2727487C CA 2727487 A CA2727487 A CA 2727487A CA 2727487 A CA2727487 A CA 2727487A CA 2727487 C CA2727487 C CA 2727487C
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- vault
- hallway
- containment
- hazardous waste
- power plant
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
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- 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
- G21F7/005—Shielded passages through walls; Locks; Transferring devices between rooms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
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- 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
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Architecture (AREA)
- Plasma & Fusion (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
A nuclear power plant has a vault for housing a nuclear reactor. The vault comprises a containment wall extending around the reactor. The plant further comprises a hallway adjacent at least one side of the vault. The hallway has an outer wall. Two containment penetration passageways are located in the containment wall for permitting access between the vault and the hallway. Access doors are located in the hallway outer wall for permitting access into and out from the hallway. A hazardous waste processing building and a tool management building each share a corresponding access door with the hallway. This permits hazardous waste to be removed from the vault and tooling to be moved into and out from the vault through the at least one containment penetration passageway, along the hallway and through its corresponding access door into the hazardous waste processing building and the tool management building.
Description
NUCLEAR REACTOR PLANT WITH HAZARDOUS WASTE MANAGEMENT
AND TOOLING MANAGEMENT FACILITIES
Field of the Invention The present invention relates to a nuclear power plant having one or both of a hazardous waste management facility, and a tool management facility located outside the reactor vault.
Background of the Invention In a pressure water nuclear reactor (PWR) plant, such as, for example a CANDUTM nuclear reactor power plant, the reactor is housed in a vault. The vault typically comprises a six foot thick concrete wall for radiation containment.
The vault has a servicing bay at each of the ends of the reactor calandria where the end fittings extend from the calandria end shield. These bays are used by various machines to service and inspect the reactor. The vault has an air lock located in the containment wall at vault floor elevation typically facing one of the end shields of the calandria to permit access to the servicing bays in the vault. The plant has a hallway that extends along one, two or three sides of the vault and the hallway has its own outer wall. The hallway has access doors located in the outer wall. Fuel, machinery, tooling and reactor component parts are moved into and out of the plant through the access doors.
In the nuclear reactor power site, the site is divided into zones to control the spread of radioactive contamination. Zone 1 is defined as those areas of the site where no radioactive material should be present. Zone 3 are those areas of the site that contain radioactive materials and equipment. Zone 2 is between Zones 1 and 3.
Zone 2 does not normally contain radioactive materials, equipment or systems, however, zone 2 is an area where radioactive contamination may spread inadvertently from Zone 3. The vault and the hallway of the power plant are rated Zone 3 areas and share the same plant utilities such as, for example, the air circulation system and the high voltage alternating current power system.
During a refurbishment or retubing of the nuclear reactor, hazardous waste is processed at servicing bays located in the vault beside the reactor which adversely impacts the cycle time required to complete the retubing operation. The fuel channel components comprising the reactor end fittings, pressure tubes, calandria tubes and associated components are removed from the reactor and are typically volume reduced and placed in radiation shielding canisters or flasks while in the service bays.
Thereafter the volume reduced waste may be removed from the plant. The bays are limited in size and, consequently, the hazardous waste management processing in the service bays usually interferes with the removal of the fuel channel components from the reactor thereby adding to the length of time of the nuclear reactor outage to complete a retubing operation. Thus any improvement that could speed up the retubing process and reduce the time of reactor outage would be beneficial.
Brief Description of the Invention The present invention relates to a nuclear power plant having one or both of a hazardous waste management facility, and a tool management facility located outside of the reactor vault.
In accordance with the invention there is provided a nuclear power plant comprising a vault for housing a nuclear reactor. The vault comprises a containment wall extending around the nuclear reactor. The plant further comprises a hallway extending adjacent at least one side of the containment wall. The hallway has an outer wall. At least one containment penetration passageway is located in the containment wall for permitting access between the vault and the hallway. A
plurality of access doors are located in the hallway outer wall for permitting access into and out from the hallway. One or both of a hazardous waste processing building for hazardous waste processing and tool management building for the tool processing and storage are located outside the hallway. Each of these buildings shares one of the plurality of access doors of the hallway. Hazardous waste is movable from the vault to the hazardous waste processing building and/or tooling is movable between the vault and the tool management building by way of the at least one containment penetration passageway, the hallway and through the respective shared access door.
While it is envisaged that the nuclear reactor power plant may have only one of the hazardous waste processing building and tool management building, for a refurbishing of the reactor it is preferred that both buildings are present.
Furthermore,
AND TOOLING MANAGEMENT FACILITIES
Field of the Invention The present invention relates to a nuclear power plant having one or both of a hazardous waste management facility, and a tool management facility located outside the reactor vault.
Background of the Invention In a pressure water nuclear reactor (PWR) plant, such as, for example a CANDUTM nuclear reactor power plant, the reactor is housed in a vault. The vault typically comprises a six foot thick concrete wall for radiation containment.
The vault has a servicing bay at each of the ends of the reactor calandria where the end fittings extend from the calandria end shield. These bays are used by various machines to service and inspect the reactor. The vault has an air lock located in the containment wall at vault floor elevation typically facing one of the end shields of the calandria to permit access to the servicing bays in the vault. The plant has a hallway that extends along one, two or three sides of the vault and the hallway has its own outer wall. The hallway has access doors located in the outer wall. Fuel, machinery, tooling and reactor component parts are moved into and out of the plant through the access doors.
In the nuclear reactor power site, the site is divided into zones to control the spread of radioactive contamination. Zone 1 is defined as those areas of the site where no radioactive material should be present. Zone 3 are those areas of the site that contain radioactive materials and equipment. Zone 2 is between Zones 1 and 3.
Zone 2 does not normally contain radioactive materials, equipment or systems, however, zone 2 is an area where radioactive contamination may spread inadvertently from Zone 3. The vault and the hallway of the power plant are rated Zone 3 areas and share the same plant utilities such as, for example, the air circulation system and the high voltage alternating current power system.
During a refurbishment or retubing of the nuclear reactor, hazardous waste is processed at servicing bays located in the vault beside the reactor which adversely impacts the cycle time required to complete the retubing operation. The fuel channel components comprising the reactor end fittings, pressure tubes, calandria tubes and associated components are removed from the reactor and are typically volume reduced and placed in radiation shielding canisters or flasks while in the service bays.
Thereafter the volume reduced waste may be removed from the plant. The bays are limited in size and, consequently, the hazardous waste management processing in the service bays usually interferes with the removal of the fuel channel components from the reactor thereby adding to the length of time of the nuclear reactor outage to complete a retubing operation. Thus any improvement that could speed up the retubing process and reduce the time of reactor outage would be beneficial.
Brief Description of the Invention The present invention relates to a nuclear power plant having one or both of a hazardous waste management facility, and a tool management facility located outside of the reactor vault.
In accordance with the invention there is provided a nuclear power plant comprising a vault for housing a nuclear reactor. The vault comprises a containment wall extending around the nuclear reactor. The plant further comprises a hallway extending adjacent at least one side of the containment wall. The hallway has an outer wall. At least one containment penetration passageway is located in the containment wall for permitting access between the vault and the hallway. A
plurality of access doors are located in the hallway outer wall for permitting access into and out from the hallway. One or both of a hazardous waste processing building for hazardous waste processing and tool management building for the tool processing and storage are located outside the hallway. Each of these buildings shares one of the plurality of access doors of the hallway. Hazardous waste is movable from the vault to the hazardous waste processing building and/or tooling is movable between the vault and the tool management building by way of the at least one containment penetration passageway, the hallway and through the respective shared access door.
While it is envisaged that the nuclear reactor power plant may have only one of the hazardous waste processing building and tool management building, for a refurbishing of the reactor it is preferred that both buildings are present.
Furthermore,
- 2 -it should be understood that these building may be either permanent or temporary buildings. It is further envisaged that the hallway, the hazardous waste processing building and tool management building each have a floor at an elevation that is serviceable with a floor of the vault. By having an elevation that is serviceable with the vault floor, it is meant the same elevation as the vault floor or one or more other elevations adjacent the vault floor whereby waste products, tooling and other equipment can be readily moved into and out of these buildings, through the hallway, through the containment penetration passageway, and out of and into the vault.
Thus the floors of the containment penetration passageway, buildings and hallways do not necessarily have to lie flush with the vault floor.
By incorporating a hazardous waste processing building into the power plant, it becomes possible to perform hazardous waste processing, such as for example, waste volume reduction and waste containment operations, off line from other refurbishment activities occurring in the reactor vault. As a result, the hazardous waste processing taking place outside the vault does not interfere with other in vault refurbishment activities. The carrying out of these activities in parallel reduces the overall cycle time associated with the reactor refurbishment. Likewise, the incorporation of a tool management building permits for tool management off line from the reactor vault providing the advantage of reducing the in vault management of tooling and improving the overall cycle time associated with the reactor refurbishment. Further, the close proximity of the tool management building to the hallway and the vault reduces distance travelled to and from the vault and the time required for this travel.
The vault, the hallway, the hazardous waste processing building, and tool management building are exposed to materials, components and equipment that have been exposed to radiation and hence these areas are Zone 3 rated. The vault, the hallway, the hazardous waste processing building, and tool management building may share plant the same service utilities of the existing power plant building.
These utilities may comprise the air circulation system, the high voltage alternating power, radiation protection equipment, and radiation monitoring equipment.
The nuclear reactor comprises a calandria having opposing first and second end shields, and the plant may comprises first and second containment penetration
Thus the floors of the containment penetration passageway, buildings and hallways do not necessarily have to lie flush with the vault floor.
By incorporating a hazardous waste processing building into the power plant, it becomes possible to perform hazardous waste processing, such as for example, waste volume reduction and waste containment operations, off line from other refurbishment activities occurring in the reactor vault. As a result, the hazardous waste processing taking place outside the vault does not interfere with other in vault refurbishment activities. The carrying out of these activities in parallel reduces the overall cycle time associated with the reactor refurbishment. Likewise, the incorporation of a tool management building permits for tool management off line from the reactor vault providing the advantage of reducing the in vault management of tooling and improving the overall cycle time associated with the reactor refurbishment. Further, the close proximity of the tool management building to the hallway and the vault reduces distance travelled to and from the vault and the time required for this travel.
The vault, the hallway, the hazardous waste processing building, and tool management building are exposed to materials, components and equipment that have been exposed to radiation and hence these areas are Zone 3 rated. The vault, the hallway, the hazardous waste processing building, and tool management building may share plant the same service utilities of the existing power plant building.
These utilities may comprise the air circulation system, the high voltage alternating power, radiation protection equipment, and radiation monitoring equipment.
The nuclear reactor comprises a calandria having opposing first and second end shields, and the plant may comprises first and second containment penetration
- 3 -passageways each having an elevation serviceable with the vault floor. The first containment penetration passageway may be located in the containment wall on the same side of the reactor as the first end shields. The second containment penetration passageway may be located in the containment wall on the same side of the reactor as the second end shields. These passageways permit first and second access points between the hallway and the vault for moving of hazardous waste out of the vault and tooling into and out of the vault. The first containment penetration passageway may comprise an air lock. The second containment passageway may comprise a doorway that is not an air lock. Alternatively, this second containment penetration passageway may comprise a second air lock.
Brief Description of the Drawings For a better understanding of the present invention reference may be had by way of example to the accompanying diagrammatic drawing for Figure 1 showing an schematic plan view of the nuclear reactor power plant.
Detailed Description Referring to Figure 1 there is shown a nuclear power plant 10. The power plant 10 is a schematic representation of a power plant. The power plant 10 of Figure 1 shows many different rooms and person doorways located in the main power house building 54 of the plant 10 which have various uses that are not germane to the present invention.
The power plant 10 comprises a containment vault 12 that houses a nuclear reactor 14. The reactor is shown schematically at 14 and may comprise a CANDUTM
reactor. The reactor vault 12 has a vault floor 60 and a concrete containment wall 30 extending around the nuclear reactor 14. It should be understood that the floor 60 of the vault may not be continuous throughout the vault and may included pits and depressions for servicing the reactor. The reactor vault 12 further houses refuelling reactor area bridges 16 which are used for the purpose of refuelling the reactor 14 during normal operation. The reactor 14 is shown representatively to include the calandria 18. No other piping associated with the calandria 18, such as for example the end fittings, has been shown for simplicity.
Brief Description of the Drawings For a better understanding of the present invention reference may be had by way of example to the accompanying diagrammatic drawing for Figure 1 showing an schematic plan view of the nuclear reactor power plant.
Detailed Description Referring to Figure 1 there is shown a nuclear power plant 10. The power plant 10 is a schematic representation of a power plant. The power plant 10 of Figure 1 shows many different rooms and person doorways located in the main power house building 54 of the plant 10 which have various uses that are not germane to the present invention.
The power plant 10 comprises a containment vault 12 that houses a nuclear reactor 14. The reactor is shown schematically at 14 and may comprise a CANDUTM
reactor. The reactor vault 12 has a vault floor 60 and a concrete containment wall 30 extending around the nuclear reactor 14. It should be understood that the floor 60 of the vault may not be continuous throughout the vault and may included pits and depressions for servicing the reactor. The reactor vault 12 further houses refuelling reactor area bridges 16 which are used for the purpose of refuelling the reactor 14 during normal operation. The reactor 14 is shown representatively to include the calandria 18. No other piping associated with the calandria 18, such as for example the end fittings, has been shown for simplicity.
- 4 -The vault 12 is also shown to have two servicing platforms 20 located in servicing bays 22. The servicing bays 22 are used to performing normal servicing of the reactor and outage services including re-tubing. The servicing platforms 20 are used in retubing operations or maintenance operations and/or repair operations. The servicing bays 22 are located in the vault 12 between respective ones of the calandria end shields 24 and a corresponding one of the first and second containment penetration passageways 26, 28 located in containment wall 30.
Figure 1 shows the first containment penetration passageway 26 as an air lock on the same side of reactor 14 as one of the end shields 24. The second containment penetration passageway 28 comprises an opening cut through the containment wall and has a door. Passageway 28 is located on the same side of the reactor 14 as the other one of the end shields 24. The passageway 28 has been made for retubing operation during reactor outage. It should be understood that the passageways 26, 28 may be positioned in any suitable location in containment wall 30. Access into and out of the vault 12 is obtained through the first and second containment penetration passageways 26 and 28. These containment penetration passageways 26, 28 are preferably at the same level of elevation as the floor 60 of the vault 12.
Alternatively, each of passageways 26 and 28 may be at an elevation that still permits ready servicing of to the vault 12 adjacent the vault floor 60. While it is known to include one containment penetration passageway in the form of an air lock at vault floor elevation to provide access to the vault 12, a second containment penetration passageway 28 at an elevation for servicing the vault 12 adjacent vault floor 60 has been incorporated into the plant 10 shown in Figure 1 to improve refurbishment work flow.
The plant 10 is configured in Figure 1 for refurbishment of the reactor 12.
The life cycle of a reactor is typically about 30 years and this life cycle can be extended another 30 years by refurbishing the reactor. The refurbishment involves the removal and replacement of the reactor components from the calandria 18. This involves the removal and replacement of the fuel channel end fittings, pressure tubes, calandria tubes and associated component parts. The plant 10 of the present invention improves the work flow of the reactor refurbishment operation.
Figure 1 shows the first containment penetration passageway 26 as an air lock on the same side of reactor 14 as one of the end shields 24. The second containment penetration passageway 28 comprises an opening cut through the containment wall and has a door. Passageway 28 is located on the same side of the reactor 14 as the other one of the end shields 24. The passageway 28 has been made for retubing operation during reactor outage. It should be understood that the passageways 26, 28 may be positioned in any suitable location in containment wall 30. Access into and out of the vault 12 is obtained through the first and second containment penetration passageways 26 and 28. These containment penetration passageways 26, 28 are preferably at the same level of elevation as the floor 60 of the vault 12.
Alternatively, each of passageways 26 and 28 may be at an elevation that still permits ready servicing of to the vault 12 adjacent the vault floor 60. While it is known to include one containment penetration passageway in the form of an air lock at vault floor elevation to provide access to the vault 12, a second containment penetration passageway 28 at an elevation for servicing the vault 12 adjacent vault floor 60 has been incorporated into the plant 10 shown in Figure 1 to improve refurbishment work flow.
The plant 10 is configured in Figure 1 for refurbishment of the reactor 12.
The life cycle of a reactor is typically about 30 years and this life cycle can be extended another 30 years by refurbishing the reactor. The refurbishment involves the removal and replacement of the reactor components from the calandria 18. This involves the removal and replacement of the fuel channel end fittings, pressure tubes, calandria tubes and associated component parts. The plant 10 of the present invention improves the work flow of the reactor refurbishment operation.
- 5 -The plant 10 has a hallway 32 that may run on one, two or threes sides of the vault 12. The hallway 32 allows waste, flasks, tools, and people to be moved into and out from the vault 12. The hallway 32 has a floor 62 at an elevation for readily servicing the vault floor 60. The hallway 32 has an outer wall 34. The outer wall 34 has overhead access doors 36, 38 and 40 for permitting access into and out from the hallway 32. The outer wall 34 in Figure 1 defines a main power house building 54.
The plant 10 further comprises a hazardous waste processing building 42 located outside and adjacent the hallway 32 and sharing access door 36 with the hallway 32. The hazardous waste processing building 42 has a floor 64 that is at an elevation permitting it to readily service the hallway floor 62 and the vault floor 60.
Hazardous waste product is removable from the vault 12 through the containment penetration passageways 26 and 28, and is transportable along the hallway 32 and through the shared access door 36 into the hazardous waste processing building 42 for hazardous waste processing. The hazardous waste processing building 42 contains hazardous waste processing equipment comprising volume reduction equipment 44 for reducing the volume of hazardous waste and hazardous waste containment equipment 46, such as for example shielding containers or flasks, for storing hazardous waste. Once the waste is volume reduced and contained, it can be transported out of the power plant 10 through access door 38 or alternatively, the waste can be removed through overhead doorway 56 located in one of the walls of the hazardous waste processing building 42.
The power plant 10 further comprises a tool management or staging building 48 located outside and adjacent the hallway 32. The tool management building 48 has a floor 66 at an elevation serviceable with the hallway floor 62 and the vault floor 60.
The tool management building 48 shares access door 40 with the hallway 32.
This permits tooling to be moved between the tool management building 48 and the vault 12 along the hallway 32. The tool management building 48 permits storage, staging and decontamination of tooling to be done remotely of the vault at tooling stations 50.
The tool management building 48 has an overhead door 58 in one of its walls through which tooling may be moved into and out of the tool management building 48 and the plant 10. Alternatively, tooling may be moved via door 38, hallway 32 and door into and out of the plant 10 from the tool management building 48.
The plant 10 further comprises a hazardous waste processing building 42 located outside and adjacent the hallway 32 and sharing access door 36 with the hallway 32. The hazardous waste processing building 42 has a floor 64 that is at an elevation permitting it to readily service the hallway floor 62 and the vault floor 60.
Hazardous waste product is removable from the vault 12 through the containment penetration passageways 26 and 28, and is transportable along the hallway 32 and through the shared access door 36 into the hazardous waste processing building 42 for hazardous waste processing. The hazardous waste processing building 42 contains hazardous waste processing equipment comprising volume reduction equipment 44 for reducing the volume of hazardous waste and hazardous waste containment equipment 46, such as for example shielding containers or flasks, for storing hazardous waste. Once the waste is volume reduced and contained, it can be transported out of the power plant 10 through access door 38 or alternatively, the waste can be removed through overhead doorway 56 located in one of the walls of the hazardous waste processing building 42.
The power plant 10 further comprises a tool management or staging building 48 located outside and adjacent the hallway 32. The tool management building 48 has a floor 66 at an elevation serviceable with the hallway floor 62 and the vault floor 60.
The tool management building 48 shares access door 40 with the hallway 32.
This permits tooling to be moved between the tool management building 48 and the vault 12 along the hallway 32. The tool management building 48 permits storage, staging and decontamination of tooling to be done remotely of the vault at tooling stations 50.
The tool management building 48 has an overhead door 58 in one of its walls through which tooling may be moved into and out of the tool management building 48 and the plant 10. Alternatively, tooling may be moved via door 38, hallway 32 and door into and out of the plant 10 from the tool management building 48.
- 6 -It should be understood that while three overhead access doors 36, 38 and 40 have been shown, more doors may be available for access to hallway 32. Also, the buildings 42 and 48 may be connected through any one of the access doors to the hallway 32 and are not limited to the access door connections shown in Figure 1.
The transport of tooling and waste within the power plant 10 environment may be by autonomous guided vehicles (AGV) 52 shown schematically in various locations in the power plant 10.
The arrangement of the main containment building 54 of the power plant 10 with the buildings 42 and 48 allows for the sharing of utilities by these buildings since these buildings are interconnected and would be Zone 3 rated. These shared utilities comprise the air circulation system, the high voltage alternating power, radiation protection equipment, and radiation monitoring equipment.
It should be understood that while Figure 1 shows the walls of the buildings 42, 48 spaced from the hallway outer wall 34, these walls could touch or be a shared wall. Furthermore, buildings 42 and 48 may comprise either permanent or temporary buildings.
While the buildings 42 and 48 are located across hallway 32 from the reactor containment vault 12, it should be understood that the vault 12 may comprise one unit of a nuclear power plant 10 and that other vaults 12 containing their own reactors 14 may be located in other units at the power plant 10. All of these units may be accessible by the hallway 32 running between the units and beside the other vaults 12.
Such an access to other units by hallway 32 is represented by arrow 70.
Accordingly, the buildings 42 and 48 need not be located adjacent the vault 12 and reactor undergoing a retubing operation so long as the buildings 42, 48 have direct access to the hallway 32 servicing the reactor 14 undergoing a retubing operation.
While there have been described herein what are considered to be preferred and exemplary embodiments of the present invention, other modifications of these embodiments falling within the scope of the invention described herein shall be apparent to those skilled in the art.
The transport of tooling and waste within the power plant 10 environment may be by autonomous guided vehicles (AGV) 52 shown schematically in various locations in the power plant 10.
The arrangement of the main containment building 54 of the power plant 10 with the buildings 42 and 48 allows for the sharing of utilities by these buildings since these buildings are interconnected and would be Zone 3 rated. These shared utilities comprise the air circulation system, the high voltage alternating power, radiation protection equipment, and radiation monitoring equipment.
It should be understood that while Figure 1 shows the walls of the buildings 42, 48 spaced from the hallway outer wall 34, these walls could touch or be a shared wall. Furthermore, buildings 42 and 48 may comprise either permanent or temporary buildings.
While the buildings 42 and 48 are located across hallway 32 from the reactor containment vault 12, it should be understood that the vault 12 may comprise one unit of a nuclear power plant 10 and that other vaults 12 containing their own reactors 14 may be located in other units at the power plant 10. All of these units may be accessible by the hallway 32 running between the units and beside the other vaults 12.
Such an access to other units by hallway 32 is represented by arrow 70.
Accordingly, the buildings 42 and 48 need not be located adjacent the vault 12 and reactor undergoing a retubing operation so long as the buildings 42, 48 have direct access to the hallway 32 servicing the reactor 14 undergoing a retubing operation.
While there have been described herein what are considered to be preferred and exemplary embodiments of the present invention, other modifications of these embodiments falling within the scope of the invention described herein shall be apparent to those skilled in the art.
- 7 -
Claims (24)
1. A nuclear power plant comprising:
a vault for housing a nuclear reactor, and the vault comprising a containment wall extending around the nuclear reactor;
a hallway extending adjacent at least one side of the containment wall and the hallway having an outer wall;
at least one containment penetration passageway located in the containment wall for permitting access between the vault and the hallway;
a plurality of access doors located in the hallway outer wall for permitting access into and out from the hallway; and, one or both of a hazardous waste processing building for processing hazardous waste and a tool management building for tool processing and storage being located outside the hallway, and each said building sharing a respective one of the plurality of access doors of the hallway whereby one or both of hazardous waste is movable from the vault to the hazardous waste processing building and tooling is moveable between the vault and the tool management building by way of the at least one containment penetration passageway, the hallway and the respective access door.
a vault for housing a nuclear reactor, and the vault comprising a containment wall extending around the nuclear reactor;
a hallway extending adjacent at least one side of the containment wall and the hallway having an outer wall;
at least one containment penetration passageway located in the containment wall for permitting access between the vault and the hallway;
a plurality of access doors located in the hallway outer wall for permitting access into and out from the hallway; and, one or both of a hazardous waste processing building for processing hazardous waste and a tool management building for tool processing and storage being located outside the hallway, and each said building sharing a respective one of the plurality of access doors of the hallway whereby one or both of hazardous waste is movable from the vault to the hazardous waste processing building and tooling is moveable between the vault and the tool management building by way of the at least one containment penetration passageway, the hallway and the respective access door.
2. The power plant of claim 1 wherein the vault further comprises a floor and the nuclear reactor comprises a calandria having opposing first and second end shields, and the plant further comprises first and second containment penetration passageways each having an elevation serviceable with the vault floor, and wherein the first containment penetration passageway is located in the containment wall on the same side of the reactor as the first end shields, and the second containment penetration passageway is located in the containment wall on the same side of the reactor as the second end shields permitting first and second access points between the hallway and the vault for moving of hazardous waste out of the vault and tooling into and out of the vault.
3. The power plant of claim 2 wherein the first containment penetration passageway comprises an air lock.
4. The power plant of claim 3 wherein the second containment penetration passageway comprises an air lock.
5. The power plant of claim 2 wherein the vault, the hallway and the one or both hazardous waste processing building and tool management building are Zone 3 rated and share plant service utilities
6. The power plant of claim 2 further comprising servicing bays for performing servicing and re-tubing operations located in the vault respectively between each of the first and second end shields and a corresponding one of the first and second containment penetration passageways.
7. The power plant of claim 2 wherein the hazardous waste processing building contains hazardous waste processing equipment comprising volume reduction equipment for reducing the volume of hazardous waste and hazardous waste containment equipment for storing hazardous waste for contained transport out of the power plant.
8. The power plant of claim 1 wherein the vault further comprises a floor and the hallway, the hazardous waste processing building and the tool management building each have a floor at an elevation serviceable with the vault floor.
9. The power plant of claim 2 wherein the hallway, the hazardous waste processing building and the tool management building each have a floor at an elevation serviceable with the vault floor.
10. A nuclear power plant comprising:
a vault for housing a nuclear reactor, and the vault comprising a containment wall extending around the nuclear reactor;
a hallway extending at least on one side of the containment wall, and the hallway having an outer wall;
at least one containment penetration passageway located in the containment wall for permitting access between the vault and the hallway;
a plurality of access doors located in the hallway outer wall for permitting access into and out from the hallway; and, a hazardous waste processing building located outside the hallway for processing hazardous waste and sharing one of the plurality of access doors of the hallway whereby hazardous waste product is removable from the vault through the at least one containment penetration passageway, transported along the hallway and through the shared access door into the hazardous waste processing building.
a vault for housing a nuclear reactor, and the vault comprising a containment wall extending around the nuclear reactor;
a hallway extending at least on one side of the containment wall, and the hallway having an outer wall;
at least one containment penetration passageway located in the containment wall for permitting access between the vault and the hallway;
a plurality of access doors located in the hallway outer wall for permitting access into and out from the hallway; and, a hazardous waste processing building located outside the hallway for processing hazardous waste and sharing one of the plurality of access doors of the hallway whereby hazardous waste product is removable from the vault through the at least one containment penetration passageway, transported along the hallway and through the shared access door into the hazardous waste processing building.
11. The power plant of claim 10 wherein the vault further comprises a floor and the nuclear reactor comprises a calandria having opposing first and second end shields, and the plant further comprises first and second containment penetration passageways each having an elevation serviceable with the vault floor, and wherein the first containment penetration passageway is located in the containment wall on the same side of the reactor as the first end shield, and the second containment penetration passageway is located in the containment wall on the same side of the reactor as the second end shields permitting first and second access points between the hallway and the vault for moving of hazardous waste out of the vault and tooling into and out of the vault.
12. The power plant of claim 11 wherein the first containment penetration passageway comprises an air lock.
13. The power plant of claim 12 wherein the second containment penetration passageway comprises an air lock.
14. The power plant of claim 11 wherein the vault, the hallway and the hazardous waste processing building are Zone 3 rated and share plant service utilities.
15. The power plant of claim 11 further comprising servicing bays for performing servicing and re-tubing operations located in the vault respectively between each of the first and second end shields and a corresponding one of the first and second containment penetration passageways.
16. The power plant of claim 10 wherein the hazardous waste processing building contains hazardous waste processing equipment comprising volume reduction equipment for reducing the volume of hazardous waste and hazardous waste containment equipment for storing hazardous waste for contained transport out of the power plant.
17. The power plant of claim 10 wherein the vault further comprises a floor and the hallway and the hazardous waste processing building each have a floor at an elevation serviceable with the vault floor.
18. The power plant of claim 11 wherein the hallway and the hazardous waste processing building each have a floor at an elevation serviceable with the vault floor.
19. A nuclear power plant comprising:
a vault for housing a nuclear reactor, and the vault comprising a floor and a containment wall extending around the nuclear reactor;
a hallway extending at least on one side of the containment wall, and the hallway having an outer wall;
at least one containment penetration passageway located in the containment wall for permitting access between the vault and the hallway;
a plurality of access doors located in the hallway outer wall for permitting access into and out from the hallway; and, a tool management building for tool processing and storage located outside the hallway and sharing one of the plurality of access doors of the hallway whereby tooling is moveable between the tool management building and the vault through the other shared access door along the hallway and through the at least one containment penetration passageway, and the tool management building having a floor at an elevation serviceable with the vault floor.
a vault for housing a nuclear reactor, and the vault comprising a floor and a containment wall extending around the nuclear reactor;
a hallway extending at least on one side of the containment wall, and the hallway having an outer wall;
at least one containment penetration passageway located in the containment wall for permitting access between the vault and the hallway;
a plurality of access doors located in the hallway outer wall for permitting access into and out from the hallway; and, a tool management building for tool processing and storage located outside the hallway and sharing one of the plurality of access doors of the hallway whereby tooling is moveable between the tool management building and the vault through the other shared access door along the hallway and through the at least one containment penetration passageway, and the tool management building having a floor at an elevation serviceable with the vault floor.
20. The power plant of claim 19 wherein the nuclear reactor comprises a calandria having opposing first and second end shields, and the plant further comprises first and second containment penetration passageways each having an elevation serviceable with the vault floor, and wherein the first containment penetration passageway is located in the containment wall on the same side of the reactor as the first end shields, and the second containment penetration passageway is located in the containment wall on the same side of the reactor as the second end shields permitting first and second access points between the hallway and the vault for moving of hazardous waste out of the vault and tooling into and out of the vault.
21. The power plant of claim 20 wherein the first containment penetration passageway comprises an air lock.
22. The power plant of claim 20 wherein the second containment penetration passageway comprises an air lock.
23. The power plant of claim 20 wherein the vault, the hallway and the tool management building are Zone 3 rated and share plant service utilities.
24. The power plant of claim 21 further comprising servicing bays for performing servicing and re-tubing operations located in the vault respectively between each of the first and second end shields and a corresponding one of the first and second containment penetration passageways.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2727487A CA2727487C (en) | 2011-01-14 | 2011-01-14 | Nuclear reactor plant with hazardous waste management and tooling management facilities |
| ROA201200014A RO128312A2 (en) | 2011-01-14 | 2012-01-11 | Nuclear reactor power plant with radioactive waste management and tooling management facilities |
| ARP120100085A AR085981A1 (en) | 2011-01-14 | 2012-01-11 | NUCLEAR REACTOR PLANT WITH HAZARDOUS WASTE MANAGEMENT AND TOOL HANDLING FACILITIES |
| KR1020120004248A KR20120082832A (en) | 2011-01-14 | 2012-01-13 | Nuclear reactor plant with hazardous waste management and tooling management facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2727487A CA2727487C (en) | 2011-01-14 | 2011-01-14 | Nuclear reactor plant with hazardous waste management and tooling management facilities |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2727487A1 CA2727487A1 (en) | 2012-07-14 |
| CA2727487C true CA2727487C (en) | 2016-01-05 |
Family
ID=46491861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2727487A Expired - Fee Related CA2727487C (en) | 2011-01-14 | 2011-01-14 | Nuclear reactor plant with hazardous waste management and tooling management facilities |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR20120082832A (en) |
| AR (1) | AR085981A1 (en) |
| CA (1) | CA2727487C (en) |
| RO (1) | RO128312A2 (en) |
-
2011
- 2011-01-14 CA CA2727487A patent/CA2727487C/en not_active Expired - Fee Related
-
2012
- 2012-01-11 AR ARP120100085A patent/AR085981A1/en unknown
- 2012-01-11 RO ROA201200014A patent/RO128312A2/en unknown
- 2012-01-13 KR KR1020120004248A patent/KR20120082832A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2727487A1 (en) | 2012-07-14 |
| AR085981A1 (en) | 2013-11-13 |
| KR20120082832A (en) | 2012-07-24 |
| RO128312A2 (en) | 2013-04-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20180115 |