SERVING THE NUCLEAR MACHINEBUILDING INDUSTRY SINCE 1945
JSC “Afrikantov OKBM”
JSC “Afrikantov OKBM”Burnakovsky proezd, 15, Nizhny Novgorod, 603074 Russia
Tel.: +7 (831) 275-40-76, 275-26-40Fax: +7 (831) 241-87-72
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Joint Stock Company “Afrikantov OKB Mechanical Engineering”
Equipmentfor Nuclear Power Plants
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1
Main Circulation Pumps for Sodium- and Water-Cooled RPs
The pumps are designed to provide coolant circula-tion in the primary and secondary systems of BN–800 RPs and other fast RPs, as well as in the circuit of the RBMK–1000 channel reactor.
At present MCP-1 and MCP-2 of RP BN-800 are suc-cessfully operated at Beloyarskaya NPP.
TsVN-8 RBMK-1000 RP MCP
CEFR RPMCP-1
CEFR RPMCP-2
BN-600 RP MCP-1
High quality of MCPs devel-oped by JSC “Afrikantov OKBM” has been proved by more than 35 years of operation within the BOR–60, BN–350, BN–600, and RBMK–1000 RPs.
PUMP EQUIPMENT AND VALVES
BN-800 RP MCP-2 BN-800 RP MCP-1
MCP-1 MCP-2
Capacity, m3/h 12,300 11,500
Head, m 101 48
Pumped medium temperature, °С 354 309
Electric motor power, kW 5,000 2,500
2 3
ATsNSB 150-110 Emergency Boron Injection Pump
The pump is designed to inject boric acid solution from the emergency storage tank into the primary system of VVER-1000 NPPs in emergency modes associated with primary system cooldown. The safety class is 2.
Nominal capacity, m3/h 150
Nominal head, m 980
Working temperature at the pump inlet, °С 10–95
Power in the nominal mode (at pumped medium density of 1,020 kg/m3), kW, not more than— pump power— unit power
685715
Nominal capacity, m3/h 150
Nominal head, m 885
Температура на входе в насос рабочая, °С 20–60
Power in the nominal mode (at pumped medium density of 1,000 kg/m3), kW, not more than— pump power— unit power
620650
TsNR 800-230Т Emergency Cooling Down Pump
The pump is designed to inject boric acid solution into the primary system of VVER-1000 NPPs to remove heat from core under normal/abnormal operation conditions and in emergency modes. The safety class is 2.
Nominal capacity, m3/h 800
Nominal head, m 230
Working temperature at the pump inlet, °С 10–150
Power in the nominal mode (at pumped medium density of 1,005 kg/m3), kW, not more than— pump power— unit power
635665
ATsNSB 150-90 Emergency Feedwater Pump
The pump is intended to deliver desalinated water to steam generators in the abnormal operation modes and emergency modes at VVER-1000 NPPs. The safety class is 2.
Safety System Pumps for VVER-1000 RPs
ATsNSB 150-90G Auxiliary Feedwater Pump
The pump is intended to supply feedwater to steam generators in the startup and shutdown modes of the unit, as well as at loss of power of the VVER–1000 NPP unit. The safety class is 3.
Nominal capacity, m3/h 150
Nominal head, m 910
Working temperature at the pump inlet, °С 15–170
Power in the nominal mode (at pumped medium density of 897.5 kg/m3), kW, not more than
587
ЦНР 800-230Р
ЦНСА 700-140Р
Capacity, m3/h 800 700
Head, m 230 140
Pumped medium temperature, °С 150 150
Electric motor power, kW 800 500
The pumps are designed to operate within the emer-gency and scheduled cooling down system, as well as the spray system of the VVER-1000 power unit. The pumps are safety class 2.
4 5
Artesian Pumps and Semi-Submersible Pumps
The pumps are designed to deliver process water to NPP cooling systems.
TsVA 1350-35 TsVA 20-30
Capacity, m3/h 20–2,900
Head, m 16–67
Pumped medium temperature, °С 5–35
Electric motor power, kW 7.5–500
Pumping Equipment Test Facilities
JSC “Afrikantov OKBM” has a test facility base to carry out full-scale tests of BN-800 RP MCP-1/MCP-2 and virtually all the pumping equipment of NPP systems.
Twenty-three pump dimension types have been to date developed and are being now manufactured.
Facility for testing pumps of 200–1,200 m3/h
Submersible Pumps
TsPN 25/20 electric pump TsPN 2/25 electric pump GEN 16/30 canned electric pump
TsPN 25/20 TsPN 2/25 TsPN 2/50 GEN 16/30
Capacity, m3/h 25 2 2 16
Head, m 20 25 50 30
Pumped medium temperature, °С 60 60 60 60
Submersion depth, m 20 3 3 1
Electric pump power, kW 4 2.1 2.9 5
Electrical pump mass, kg, not more than 120 78 88 260
Nominal capacity, m3/h 700
Nominal head, m 140
Working temperature at the pump inlet, °С 10–150
Power in the nominal mode (at pumped medium density of 1,005 kg/m3), kW, not more than— pump power— unit power
365385
TsNSA 700-140T Spray Pump
The pump is designed to provide injection of solution from the spay solution storage tank into the contain-ment air space to reduce pressure and temperature of the accident location area and to bind radioactive iodine available in the vapor and air of the pressur-ized volume in design basis emergency modes at VVER–1000 NPPs. The safety class is 2.
6 7
Pump Shaft End Seals
Shaft end seals are developed and manufactured for a wide range of pumps. End seals are intended to seal pump shafts at minimal leaks of the pumped medium in all operation modes.
All the pumps developed by JSC “Afrikantov OKBM” are equipped with these seals. End seals are delivered for the pumps in the current NPPs.
Air Intake Shut Down Valve
The air intake shut down valve in NPP 2006 is de-signed to protect turbine condensers and main cool-ing water system pipelines from hydraulic impacts at emergency trip of hydraulic circulation pump units and from air discharge when main system pipelines and condenser pipelines are filled with cooling water. The safety class is 4.
Shaft diameter, mm 28–450
Shaft rotation speed, rpm 600–3,500
Seal leak, l/h, not more than 5
Facility for testing MCP-1/MCP-2 for the BN-800 RP
Facility for testing Artesian pumps of 120–3,500 m3/h
Facility for testing pumps of 500–4,500 m3/h Facility for testing pumps of 20–250 m3/h
8 9
Non-return shutoff pneumatic valve, shutoff pneumatic valves are designed for operation as shutoff device for the primary and secondary circuit pipes.
Pneumatic gate valve is designed for operation as shutoff device for the secondary circuit steam pipes.
Pneumatic ball valve DN180 is designed for operation as shutoff device for the secondary circuit pipes.
Stop and non-return-stop valves
The valves designed for high parameters of working medium, belonging to equipment group “B” as per PNAE G-7-008-89, valve grade and group “2ВIIa” as per NP-068-05, and safety grade 2 as per classification NP-022-2000 (class identification 2NZL).
Working medium water, steam, water-steam mixture
Design pressure, MPa 17.7
Design temperature, °С 350
Pressure drop of the working medium at the opening, not more than MPa
9.8
Leak tight class of the gate as per GOST 9544-2015— valves — gate valves, ball valve
В С
Valve DN65 Gate valve DN150Valve DN 80 Ball valve DN180
Nominal diameter 400
Working mediumrecirculated
sea water, air
Working medium temperature, °С, not more than 43
Working pressure, MPa (kgf/cm2), not more than 0.36 (3.7)
Valve air flow-rate, m3/s, not more than 5.0
Calculated temperature, °С 50
Hydraulic testing pressure, MPa (kgf/cm2), not more than 0.6 (6.1)
Three-Way Switching Device
The three-way switching device is intended to switch alternately the channels for gas medium discharge from the SAS-2 second-stage emergency discharge vessel of the emergency protection system in the BN-800 RP SG. The safety class is 3.
Nominal diameter 50
Calculated pressure, MPa (kgf/cm2) 0.7 (7.14)
Calculated temperature, °С 300
Working medium
— temperature, °С, not more than— medium pressure, MPa (kgf/ cm2), not more than
Argon as per GOST 10157, sodium vapor, hydrogen
NaOH, Na₂O45
0.0078 (0.08)
10 11
Air Heat Exchanger of the Emergency Cooling Down System for the BN-800 RP in Beloyarsk NPP Unit 4
The air heat exchanger (AHX) is designed to transfer heat from ECDS intermediate system cool-ant to atmospheric air.
Thermal power, MW, not less than 13
Sodium inlet temperature, °С 505
Air inlet temperature, °Сminus 44
to plus 39
Calculated sodium pressure at calculated temperature, MPa, not more than
1
AHX mass not more than, t 35
Materials used 08Cr18Ni10Ti steel
Safety class 3
Working medium— cooling medium (in-tube space)
— medium being cooled (inter-tube space)
water,steam-water mixture
steam-gas mixture
Maximal thermal power, MW 1.33
Calculated parameters— temperature, °С— pressure, MPa
1900.7
Mass, kg (in the dry condition) 4,340
Materials used 08Cr18Ni10Ti steel
Safety class 3
Working medium— medium being cooled (in-tube space)— cooling medium(inter-tube space)
steam, condensate
water
Maximal thermal power, MW 3.25
Calculated parameters ofthe medium being cooled— temperature, °С— pressure, MPa
3008.1
Calculated parameters ofthe cooling medium— temperature, °С— pressure, MPa
1150.13
Calculated mass in the dry condition, kg
950
Materials used 08Cr18Ni10Ti steel
Safety class 3
Heat Exchanger of the Passive Heat Removal System for the NPP 2006 Containment
The heat exchanger operates within the system of passive heat removal from containment.
Heat exchange of the passive heat removal system through NPP 2006 steam generators
The heat exchangers operate within the system for passive heat removal through steam genera-tors. The system pertains to technical means for coping with beyond-design-basis accidents.
HEAT EXCHANGE EQUIPMENT
12 13
Heat exchanger ‘Water — Water’
Type of the heat exchanger — surface, tube, shell-and-tube heat exchanger. Heat ex-changing surface is made of straight tubes. The flow of the cooling and cooled water is counterflow-crosswise.
Working medium— cooling (tube side)— cooled (shell side)
water distilled water
Design parameters— temperature (maximum), °C— pressure, MPa
500.98
Dry weight, tons 20/35
Materials used alloy 08Cr18Ni10Ti
Piping system of heat exchanger ‘Water — Water’
Working medium— cooling (tube side)— cooled (shell side)
waterair
Design parameters— temperature (maximum), °C— pressure (maximum), MPa
3500.6
Dry weight, tons 10
Materials used alloy 08Cr18Ni10Ti
Heat exchanger ‘Gas — Water’
Type of the heat exchanger — surface, tube, shell-and-tube heat exchanger.The tube system is implemented with external spiral finning and hight of active part equal to 1100 mm. The tubes are connected with headers in heat exchanging sections with parallel-subsequent connection of tubes in one heat exchanging section. A number of heat exchanging sections, located in a shell, form the heat exchanger module.
14 15
Radial Fans
Capacity (volume flow rate) m3/h 1,000–120,000
Fan total pressure, Pa 160–3,500
Climatic version as per GOST 15150-69 V
Safety class 2, 3, 4
Seismic class as per NP-031-01 1
Stability under impact loads in any direction3g (for the FPU,
UNI*)
Axial Fans
VENTILATION EQUIPMENT Heat Exchanger of the Emergency Cooling Down System for the KLT-40S RP FPU
The heat exchanger of emergency cooling down system (ECDS) is designed to operate within the ECDS passive channel providing heat removal from the steam-generating unit during accidents with long-term loss of power.
Heat exchanger power, kW, not less than 2,200
Working mediumWater, steam, steam-water
mixture
Calculated pressure, MPa— of the pipe system— of the inter-pipe space
16.20.1
Calculated temperature, °С, not more than— at the pipe system inlet— of the inter-pipe space
320106
Calculated mass as delivered, kg 3,550
Materials used 08Cr18Ni10Ti steel
Safety class 2
*UNI=Universal Nuclear Icebreaker
16 17
Recirculation Cooling Plants
Ventilation Valves
Valves are intended to ensure leak-free shutoff of pipelines at FPU and UNI RPs.
The application area is a containment heat removal system, containment emergency pressure decrease system, and controlled area ventilation system.
Nominal diameter, mm 100–500
Safety class 2, 3, 4
Stability under impact loads in any direction 3g
Capacity (volume flow rate), m3/h 620–35,000
Fan total pressure, Pa 150–4,000
Climatic version as per GOST 15150-69 V
Safety class as per NP-001-97 2NO, ЗNO
Seismic class as per NP-031-01 1
Axial and radial fans are intended to circulate air in compartments.
The application area of
radial fans — NPP ventilation systems that are important for safety. axial fans — NPP ventilation systems that are important for safety, FPU ventilation systems,
and UNI ventilation systems.
Capacity (volume flow rate), m3/h 5,300–12,000
Fan total pressure, Pa 550–1,100
Climatic version as per GOST 15150-69 V
Safety class as per NP-001-97 2NO, ЗNO
Seismic class as per NP-031-01 1
Radial explosion-proof fans are designed to transfer steam- and gas-air explosive mixtures.
The radial explosion-proof fans are used in exhaust ventilation systems for accumulator compartments. Exhaust ventilation systems are safety assurance systems and provide normal operation of NPPs. The radial explosion-proof fans are also applied in ex-haust systems of other compartments.
Radial Explosion-Proof Fans
Nominal air capacity, m3/h 2,500–95,000
Nominal cooling capacity, kW 18–650
Safety class as per NP-001-97 2NO, ЗNO
Seismic class as per NP-031-01 1
Recirculation cooling plants are designed to
cool air in NPP building compartments and fulfill NPP safety assurance functions that relate
to creation and maintenance of conditions neces-sary for operation of process systems and safety elements.
18 19
Portable filtering station
Portable filter unit is designed:
to clean air and to remove radioactive and toxic substances on site occurring during operations connected with cutting, welding and scrubbing of equipment contaminated with radioactive nu-clides in the course of repairs in indoor space of the controlled access zone at NPP;
Air Coolers
Air coolers and air cooler units are intended to
remove heat and moisture release from process equipment and to maintain the specified air parameters in NPP compartments,
be used as part of NPP ventilation systems important for safety and of those that do not affect safety, and
fulfill NPP-normal-operation-and-safety-assurance functions that relate to creation and maintenance of conditions necessary for operation of process systems and normal-operation-and-safety elements.
Capacity (volume flow rate), m3/h 2,500–95,000
Nominal cooling capacity, kW 11–700
Safety class as per NP-001-97 2NO, ЗNO
Seismic class as per NP-031-01 1
Ventilation System Protection Devices
Maximum Pressure of Shock Wave Front, kPa 30
Drag Factor, not more 3
Sizes of Flow Path (width×height), mm 250×280÷1000×2000
Safety Class as per NP-001-15 2, 3, 4
Seismic Class as per NP-031-01 1
The devices are designed to protect the ventilation openings of NPP facilities, nuclear fuel cycle facilities or nuclear plants from the air shock wave impact and the deflagration explosion compressive wave.
The scope of application of ventilation system protection devices is as follows: important to safety NPP ventilation systems, including the ventilation systems in a normally occupied area and a controlled access area of the NPP reactor building with artificially controlled climatic conditions, in all macroclimatic areas.
The ventilation system protection devices can be manufactured to feature an additional fixing device ensuring the normal operation of the ventilation system affected by air with a velocity of up to 35 m/s.
to clean air on site with recorded elevated activity or emissions level in indoor space at NPP and other nuclear facilities.
20 21
MPS-V-1000 MPS-V-1200
Mass, kg 48,110 51,000
Mass of articles reloaded
FA (w/o the CPS AR), kg 738 743
CPS AR, kg 18.5 18.5
Leak-tight overpack, kg 472 570
Bridge (transfer mechanism)
Travel speed, mm— minimum— maximum
0.321
0.621
Accuracy of reaching the specified coordinate, mm ±2 ±2
Track, mm 7,300 8,300
Maximum travel, mm 20,800 21,000
Carriage (transfer mechanism)
Travel speed, mm— minimum— maximum
0.312
0.612
Track, mm 3,250 2,650
Accuracy of reaching the specified coordinate, mm ±2 ±2
Maximum travel, mm 5,680 5,820
FA gripper (working beam)
Load-carrying capacity, not more than, kg 23,000 2,345
Deviation from the specified coordinate along the height, mm ±5 ±3
MPS-V-1200 handling machine
Next generation two-channel control sys-tem,
System of monitoring of fuel pin leak tight-ness during reloading of SFA,
CRDMs incorporating AC motors with fre-quency regulation,
The STS-PM-1000 state-of-the-art TV sys-tem to monitor fuel handling,
The STS-PM-1 special TV system to visually monitor handling machine travel,
TV beam with a lifting drive to wind the camera cable, and
A set of the following tools, accessories: – cluster thimble, – device for visual inspection of FA housing, and – device for lifting of a dropped FA.
Production time is not more than 12 months.The assigned lifetime is 30 and 60 years, respectively.After-sales service is provided for equipment.Spare parts are delivered for maintenance repair, mid-life repair, and overhaul.
Handling machines for VVER RPs
Fuel handling machines are intended to carry out handling and process operations to reload fuel in VVER RP cores.
FUEL HANDLING EQUIPMENT
MPS-V-1000 handling machine
22 23
Shim Rod Overpack and Control Rod-Overpack Container
Hydraulic jack working pressure, MPa 46
Force developed by hydraulic jack, kN 60,000
Maximum travel of hydraulic jack pistons, mm 25
Pressure of lowering down the hydraulic jack pistons, MPa 6.0
Number of main joint studs, pcs 24
Number of drives 24
Wrench force to tighten standard nuts, N 100
Overpack overall dimensions, mm— diameter— length
3,277133
Overpack working medium water, air
Overpack water volume (with the installed rod), l 15.2
Overpack water average temperature, °С 60
Overpack gas cavity volume (with the installed rod), not less than
1
Overpack calculated pressure, MPa, not more than 0.09
Overpack test pressure, MPa 0.2 ± 0.01
Empty overpack mass, kg 40.8
KLT-40S Main Joint Nut Unscrewing/Tightening Device
The device provides simultaneous extension of all studs in the reactor main joint. The unscrewing/tightening device makes it possible to automate the extension process and to reduce operation duration. It [device] provides safer operation of joints due to nut uniform tightening.
The overpack is designed to contain and seal spent shim rods in spent fuel pool water.
Fresh Subassembly Transfer Mechanism (FSTM)
The FSTM is designed to remotely load fresh subassemblies (including FAs with mixed uranium-plutonium oxide fuel) into the fresh fuel cask.
AutomatedReloading Complex
The reloading complex is designed to reload nuclear fuel of the KLT-40 S RPs that are located on FPUs and have cassette cores. The complex ensures fuel han-dling, including unloading of spent fuel assemblies (SFA) from the reactor, SFA transfer and placement into cooling and storage tanks. The complex also ensures loading of fresh FAs into the reactor.
Working medium — for separate parts
air (to 30°C)argon (to 100°C)
Load-carrying capacity, kg 300
Gripper working travel, m 6.75
Column working travel along R=2.7 m, m
6.5
Gripper travel speed— basic speed, m/min— creep speed, m/min
5.59 0.4
Column transfer speed along R=2.7 m— basic speed, m/min— creep speed, m/min
8.66 0.62
FSTM overall dimensions— height, m— length, m— width, m
5.834.452.15
FSTM mass, kg 7,500
Assigned lifetime, yrs 45
24 25
Length, mm to 15,000
Width across flats to 242
Working mediumargon,
sodium vapor,liquid sodium
Working temperature, °С 45…550
Travel speed of beam with the CPS rod, mm/s 2 to 70
Working stroke of beam with actuator, mm to 1,030
CPS rod dropping time, s not more than 1
Mass of CPS rod being transferred, kg to 70
Assigned lifetime, yrs to 30
BN-800 Control Rod Drive Mechanisms
Drive mechanisms along with reactivity control rods are designed to operate as part of the reactor control and protection system. Along with the system, they ensure reactor startup, automatic power control and switching it from one level to another.
They also provide compensation for fuel burnup in core and scheduled or emergency reactor trip.
Overpack Transfer Machine (OTM)
The overpack transfer machine is designed to carry out transfer-and-process operations with RBMK-1000 spent nuclear fuel overpacks in dry SNF storage compartments of RBMK-1000 and VVER-1000.
OTM Load-carrying capacity, kg 4,000
Rail track gage, mm 2,000
OTM travel speedon the rail track, m/s (m/min)— basic speed, not less than— creep speed, not more than
0.3 (18.0)0.003 (0.18)
Deviation from the OTM nominal position after stopping at the setpoint, mm, not more than
±5
Platform and gate drive electromechanical
Movable shielding drive hydraulic
OTM mass (without a load), kg 66,000
The container is intended to hold and store the overpacks and shim rods in the storage pool.
Container overall dimensions, mm— height— diameter
3,5001,460
Number of container housings, pcs 72
Container mass, kg 2,350
26 27
Refueling Mechanism
The reloading mechanism is designed to insert and remove the assemblies to be reloaded from the cells of the pressure header and elevator thimbles and to rotate them. Additionally, the reloading mechanism can be used as the sampler for monitoring of fuel pin leak-tightness of assemblies being reloaded.
Primary Coolant Sample and Makeup Water Preparatory Complex
The primary coolant sample and makeup water preparatory complex is a part of the automated chemical monitoring system at VVER-1000 NPPs. It is designed to prepare and deliver a sample to be analyzed to automatic electrochemical monitoring sensors.
Assigned lifetime, yrs 45
Overall dimensions, mm— height— length— width
13,200808
1,365
Gripping device travel, mm 3,670
Mass, kg 5,300
Carriage nominal travel, mm— SCIE— FDCIE
9,56223,485
Carriage travel speed, m/min— basic speed— creep speed (at reaching limit positions)
7.0 ± 0.51.7 ± 0.5
The inclined elevator of shielded chamber (SCIE) is designed to transfer SFAs, leak-tight over-packs, leak-tight thin-walled overpacks, CRDM thimbles with grippers, CPS rods with overpacks, as well as steel and boron shielding assemblies from the receiving section of the spent fuel storage pool to the shielded chamber and back.
The inclined elevator of the fuel discharge cell (FDCIE) is designed to transfer SFAs, leak-tight overpacks, CRDM thimbles with grippers, CPS rods with overpacks, as well as steel and boron shielding assemblies from the fuel discharge cell to receiving section of spent fuel storage pool and back.
BN-800 Power Unit Inclined Elevators
28 29
Assembly Transfer Mechanism
The assembly transfer mechanism is designed to remotely reload core assemblies in the ex-reactor reloading channel of fast reactors.
Assembly total lifting height, m 7.635
Time of removal (insertion of assembly), min 4.6
Load-carrying capacity, kg 610
Overall dimensions, mm— height— length— width
9.54.51.7
Assigned lifetime, yrs 45
Mass, kg 9,160
Loading/Unloading Elevators
The loading/unloading elevators are designed to transfer both fresh and SFAs during reactor reloading from reactor core (the area served by the reloading mechanism) to elevator reloading channels (the area served by the reloading machine of the reloading box) and back.
Assigned lifetime, yrs 45
Overall dimensions, mm— height— length— width
14,681876
1,650
Working mediumargon,
sodium vapor,liquid sodium
Working temperature, °C 45…550
30 31
Fuel Handling Drums with Drives and Equipment
The fuel handling drums with drives and equipment are designed to handle fast reactor assemblies.
The fresh fuel drum is designed to contain, store and heat the assemblies prior to loading into the reactor.
The spent fuel drum is intended to contain, store and cool down the spent assemblies.
Rotary speed of drum rotors, rpm— basic speed— creep speed
0.11530.0288
Time of aligning the drum rotor slots below the reloading channels (through 7 slots), s, not more than
7
Number of drum rotor slots 234
Assigned lifetime, yrs 45
Spent fuel drum
Overall dimensions, mm— height— diameter
5,6204,270
Drum mass, kg 69,081
Fresh fuel drum
Overall dimensions, mm— height— diameter
5,5454,140
Drum mass, kg 44,500
The reloading container is designed to carry out along with the control system reloading of highly radioactive solid waste from the shielding container to the cells of the KhTRO-3 pool, providing biological shielding of the personnel.
Load-carrying capacity of the rotary table, N
150,000
Time of aligning the CPS-rod-and-thimble container adjacent slot below the gate, min, not more than
1
Container overall dimensions, mm— height— diameter
4,7062,105
Shielding container mass, kg 62,500
Assigned lifetime, yrs 45
Load-carrying capacity, N 3,000
Gripper working travel, mm— above the shielding container— above the storage cells (max)
5,33110,852
Container overall dimensions, mm— height— length— width
6,3701,9551,540
Reloading container mass (calculated), kg
19,700
Assigned lifetime, yrs 45
Equipment of the KhTRO-3 Solid Radioactive Waste Storage Pool for the BN-800 Power Unit
The shielding container is designed to transfer the CPS-rod-and-thimble container with highly radioactive solid waste from the spent fuel storage pool to the KhTRO-3 pool and to provide along with the control system, removal of these assemblies from the container, ensuring bio-logical shielding of the personnel.
32
Abbreviations
CPS AR – Control and Protection System Absorber Rod
FA – Fuel Assembly
SFA – Spent Fuel Assembly