CN208157082U - A kind of radioactivity boracic concentrate transportation system for nuclear power station - Google Patents

A kind of radioactivity boracic concentrate transportation system for nuclear power station Download PDF

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Publication number
CN208157082U
CN208157082U CN201721801195.5U CN201721801195U CN208157082U CN 208157082 U CN208157082 U CN 208157082U CN 201721801195 U CN201721801195 U CN 201721801195U CN 208157082 U CN208157082 U CN 208157082U
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China
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concentrate
conveyance conduit
conveying trough
tank car
flushing
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CN201721801195.5U
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刘铁军
曲晓锐
张志银
叶欣楠
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China Nuclear Power Engineering Co Ltd
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China Nuclear Power Engineering Co Ltd
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Abstract

The utility model relates to a kind of radioactivity boracic concentrate transportation systems for nuclear power station, including Load System, transport tank car and uninstalling system;The transport tank car includes conveying trough;Metallic shield container and insulating layer are provided on the outside of the conveying trough;The transport tank car further includes the electric heat tracing device for heating to the conveying trough;The conveying trough is additionally provided with the concentrate delivery hose for connecting with the Load System or uninstalling system;Flushing of pipeline device and the kinetic pump as concentrate conveying power are provided on Load System and uninstalling system.The utility model guarantees that boracic concentrate temperature is on crystallization temperature in shielding transport tank car by being equipped with the tank car of shielding, heat preservation and heat tracing, crystallization is not will cause, concentrate can be effectively prevent to crystallize in equipment and pipeline, and staff can be prevented by unnecessary irradiation, guarantee the safety of transportational process in radioactivity boracic concentrate factory.

Description

A kind of radioactivity boracic concentrate transportation system for nuclear power station
Technical field
The utility model belongs to Radwastes treatment technical field, and in particular to a kind of radioactivity for nuclear power station contains Boron concentrate transportation system.
Background technique
Domestic and international more PWR nuclear power plant handles radioactive liquid waste using evaporator, due to general in presurized water reactor coolant Using boron as moderator, evaporator can generate bottom i.e. radioactivity boracic concentrate, radioactivity boracic concentrate boron content compared with High (reaching as high as 45000ppm), boracic concentrate must carry out heat preservation and heat tracing in storage and transportational process, in concentrate High concentration of boric acid salt be easy to be deposited in pipeline and valve.Currently, domestic nuclear power plant is shared using multicomputer more and more Centralized waste disposal facilities, need to radioactivity boracic concentrate carry out factory in transport.But it is domestic not yet to occur to transport The transport tank car of defeated radioactivity boracic concentrate, if transporting boracic concentrate using no heat tracing and the tank car of heat preservation, by Temperature is affected, and be easy due to rinse it is improper cause borate to accumulate in pipeline and valve gap, cause equipment fault, Line clogging, staff are by more unnecessary irradiation.
Utility model content
In view of the deficiencies in the prior art, the purpose of the utility model is to provide a kind of radioactivity for nuclear power station Boracic concentrate transportation system, the technical program, which is able to solve the crystallization of boracic concentrate and deposition, leads to equipment fault.
The technical solution of the utility model is as follows:
A kind of radioactivity boracic concentrate transportation system for nuclear power station, including Load System, transport tank car and unloading System;
The transport tank car includes conveying trough;Metallic shield container and insulating layer are provided on the outside of the conveying trough;It is described Transport tank car further includes the electric heat tracing device for heating to the conveying trough;The conveying trough be additionally provided with for the dress Loading system or the concentrate delivery hose of uninstalling system connection;
Flushing of pipeline device and the kinetic pump as concentrate conveying power are provided on Load System and uninstalling system.
Further, the above-mentioned radioactivity boracic concentrate transportation system for nuclear power station, the electric heat tracing device include Accompanying-heat cable and vessel temp meter;The accompanying-heat cable is set to the metallic shield outside of containers, and the vessel temp meter is set It is placed on the outside of the conveying trough.
Further, the above-mentioned radioactivity boracic concentrate transportation system for nuclear power station, the Load System includes dense Contracting liquid storage tank and the first concentrate conveyance conduit;The first concentrate conveyance conduit is connect with the concentrate storage tank, another End is provided with quick coupling, can connect with the quick coupling being arranged on the concentrate delivery hose;First concentrate The first kinetic pump is provided on conveyance conduit;The concentrate conveyance conduit is also connect with flushing of pipeline device;The concentrate The outlet end of storage tank is provided with isolating valve.
Further, the above-mentioned radioactivity boracic concentrate transportation system for nuclear power station, the first concentrate conveying The quick coupling being arranged in the quick coupling of pipeline and the concentrate delivery hose connects at nuclear island interface box.
Further, the above-mentioned radioactivity boracic concentrate transportation system for nuclear power station, the uninstalling system includes dense Contracting liquid receiving slit and the second concentrate conveyance conduit;The second concentrate conveyance conduit is connect with the concentrate receiving slit, The other end is provided with quick coupling, can connect with the quick coupling being arranged on the concentrate delivery hose;Described second is dense The second kinetic pump is provided on contracting liquid conveyance conduit;The liquid feeding end of the concentrate receiving slit is provided with isolating valve;With described Flushing isolating valve is provided on second concentration conveyance conduit of two kinetic pump liquid feeding ends connection;The flushing of pipeline device is connected to It is described to rinse on the second concentrate conveyance conduit between isolating valve and second kinetic pump;The second concentrate flushing pipe Road is additionally provided with the flushing branch in parallel with second kinetic pump and flushing isolating valve, and the flushing branch road is provided with isolation Valve.
Further, the above-mentioned radioactivity boracic concentrate transportation system for nuclear power station, the second concentrate conveying The quick coupling being arranged in the quick coupling of pipeline and the concentrate delivery hose connects at waste factory interface box.
Further, the above-mentioned radioactivity boracic concentrate transportation system for nuclear power station, the insulating layer are provided with temperature Degree meter;Agitating device is provided in the conveying trough;Liquidometer is additionally provided on the conveying trough.
Further, the above-mentioned radioactivity boracic concentrate transportation system for nuclear power station, the flushing of pipeline device packet Include water heater and boiler;The pipeline at desalination water source is connect after the water heater with the boiler;The boiler Outlet pipeline is connect with the first concentrate conveyance conduit or the second concentrate conveyance conduit.
The beneficial effects of the utility model are as follows:
The utility model guarantees boracic concentrate in shielding transport tank car by being equipped with the tank car of shielding, heat preservation and heat tracing Temperature is on crystallization temperature, not will cause crystallization, and concentrate can be effectively prevent to crystallize in equipment and pipeline, and can be prevented Only staff is guaranteed the safety of transportational process in radioactivity boracic concentrate factory by unnecessary irradiation;By to hose It avoids crystallizing in hose and valve internal after boracic concentrate is dry with quick coupling progress hot water injection, to avoid hose Interior formation Hotspot of Radioactivity and valve event are difficult.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the Load System of the utility model is connected with transport tank car.
Fig. 2 is the structural schematic diagram of the uninstalling system of the utility model.
In above-mentioned attached drawing, 1, conveying trough;2, cask flask;3, blender;4, accompanying-heat cable;5, service cable;6, cable Storage box;7, cable plug;8, trailer and tractor;9, insulating layer;10, container;11, quick coupling;12, concentrate conveys Hose;14, cask flask thermometer;15, conveying trough liquidometer;16, conveying trough thermometer;17, control system;18, boiler; 19, water heater;20, liquidometer;21, electric appliance transfer box;22, quick coupling;23, nuclear island interface box;24, isolating valve;25, first Kinetic pump;26, water heater;27, boiler;28, liquidometer;29, quick coupling;30, waste factory interface box;31, isolating valve; 32, isolating valve;33, isolating valve is rinsed;34, the second kinetic pump.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the utility model provides a kind of radioactivity boracic concentrate transportation system for nuclear power station, packet Include Load System, transport tank car and uninstalling system;The transport tank car includes conveying trough 1;Screen is provided on the outside of the conveying trough 1 Cover container 2 and insulating layer 9;The conveying trough 1, cask flask 2 and insulating layer 9 are all set in container 10.The conveying trough Vehicle further includes the electric heat tracing device for heating to the conveying trough 1;The conveying trough 1 is additionally provided with for being with the loading System or the concentrate delivery hose 12 of uninstalling system connection;Be provided on Load System and uninstalling system flushing of pipeline device and Kinetic pump as concentrate conveying power.
As shown in Figure 1, the electric heat tracing device of the present embodiment includes accompanying-heat cable 4 and vessel temp meter;It further include power supply electricity Cable 5, cable housing box 6 and service cable plug 7, these equipment can allow tank car first to carry out preheating in nuclear island and then receive and contain again Boron concentrate since the boracic concentrate inside the cask flask 2 and tank car of tank car has higher thermal capacity, while being equipped with heat preservation Layer 9, and the temperature that control system 17 monitors waste in tank car can be carried by tank car, boracic during capable of guaranteeing to transport in factory Concentrate does not crystallize.The accompanying-heat cable 4 is set to 2 outside of cask flask, and the vessel temp meter is set to the fortune On the outside of defeated slot.The insulating layer 9 is also equipped with thermometer;Agitating device is provided in the conveying trough 1;On the conveying trough 1 It is additionally provided with conveying trough liquidometer 15, blender 3 is provided in conveying trough.The electrical interconnecting case 21 of nuclear island is used for tank car heat tracing Cable 4 is powered.Persistently accompanying-heat cable 4 is carried out in addition, can be set on transport tank car during power supply transports in the factory for leaving nuclear island Power supply, or heat tracing power supply is also provided in waste disposal building.
In transportation system shown in Fig. 1, Load System includes concentrate storage tank and the first concentrate conveyance conduit;It is described First concentrate conveyance conduit is connect with the concentrate storage tank, and the other end is provided with quick coupling 22, can be with the concentration The quick coupling 11 being arranged on liquid delivery hose 12 connects;The first kinetic pump is provided on the first concentrate conveyance conduit 25;The concentrate conveyance conduit is also connect with flushing of pipeline device;The outlet end of the concentrate storage tank is provided with isolating valve 24.The quick coupling 11 being arranged in the quick coupling 22 of the first concentrate conveyance conduit and the concentrate delivery hose 12 It is connected at nuclear island interface box 23.Nuclear island interface box 23 is used to connect the concentrate delivery hose 12 and receives the boracic of water clock Concentrate.When Load System is connect with transport tank car, the flushing of pipeline device connecting with the Load System is for rinsing nuclear island Quick coupling (11,22) and concentrate delivery hose 12 in interface box 23 avoid crystallizing.
As shown in Fig. 2, the uninstalling system includes concentrate receiving slit and the second concentrate conveyance conduit;Described second is dense Contracting liquid conveyance conduit is connect with the concentrate receiving slit, and the other end is provided with quick coupling 29, can be defeated with the concentrate The quick coupling 11 being arranged on hose 12 is sent to connect;The second kinetic pump 34 is provided on the second concentrate conveyance conduit;Institute The liquid feeding end for stating concentrate receiving slit is provided with isolating valve 31;The second concentration connecting with 34 liquid feeding end of the second kinetic pump is defeated It send to be provided on pipeline and rinses isolating valve 33;The flushing of pipeline device is connected to the flushing isolating valve 33 and moves with described second On the second concentrate conveyance conduit between power pump 34;The second concentrate flushing pipe is additionally provided with and second power Pump 34 and the flushing branch for rinsing 33 parallel connection of isolating valve, flushing branch road are provided with isolating valve 32.
When uninstalling system is connect with transport tank car, the quick coupling 29 and the concentration of the second concentrate conveyance conduit The quick coupling 11 being arranged on liquid delivery hose 12 connects at waste factory interface box.
As depicted in figs. 1 and 2, the flushing of pipeline apparatus structure of two systems is almost the same, includes for producing hot water Water heater (19,26) and boiler (18,27) for metered flush hot water amount;Boiler is provided with liquid level on (18,27) It counts (20,28).The pipeline at desalination water source is connect after the water heater (19,26) with the boiler (18,27);The heat The outlet pipeline of water tank (18,27) is connect with the first concentrate conveyance conduit or the second concentrate conveyance conduit.
The course of work of the utility model is as follows:
Before nuclear island loads concentrate, the quick coupling 11 of concentrate delivery hose 12 is first connected to nuclear island interface box Service cable plug 7 is connected to nuclear island electrical interconnecting case 21 by the quick coupling 22 of the first concentrate conveyance conduit in 23.
Then start accompanying-heat cable 4, start to heat cask flask 2 and conveying trough 1, until passing through the included control of tank car System 17 processed observes that the temperature of cask flask thermometer 14 and conveying trough thermometer 16 reaches setting value and keeps.
The isolating valve 24 of nuclear island concentrate sump outlet is opened again, and starts the first kinetic pump 25, is conveyed by concentrate Pipeline (between node N01~N02 and N03~N04), quick coupling 22, quick coupling 11, concentrate delivery hose 12, tank car Concentrate is loaded into tank car by interior concentrate pipeline (between node N05 and N06), until nuclear island concentrate storage tank emptying or The conveying trough liquidometer 15 of concentrate shielding transport tank car reaches setting liquid level, closes the first kinetic pump 25 and the storage of nuclear island concentrate The isolating valve 24 of slot outlet.
Then flushing hot water is added to boiler 19 by water heater 18, until reaching the setting of boiler liquidometer 20 Value, then the power provided by the first kinetic pump 25, with hot water injection's contracting liquid conveyance conduit (node N01~N02 and N03~N04 Between), the first kinetic pump 25, quick coupling 22, quick coupling 11, the concentrate pipeline in concentrate delivery hose 12 and tank car (between node N05 and N06) rinses general carry out 1-2 times.
Quick coupling 11 and tank car service cable plug 7 are disconnected again and has stored hose and cable, and tank car loading finishes, can To leave nuclear island.
Transportation power can be provided by trailer and tractor 8 by transporting tank car, transport tank car after outdoor traveling a period of time, Reach waste disposal building, since the boracic concentrate inside the cask flask 2 and tank car of tank car has higher thermal capacity, simultaneously Equipped with tank car insulating layer 9, and the temperature that control system 17 monitors waste in tank car can be carried by tank car, can guaranteed in factory Boracic concentrate does not crystallize during transport.
Transport tank car carries out concentrate unloading after reaching waste disposal building, first by the fast quick access of concentrate delivery hose 12 First 11 are connected to the quick coupling 29 of the second concentrate conveyance conduit in waste factory interface box 30.
Concentrate pump in tank car is sent to the concentrate receiving slit of waste disposal building by the second kinetic pump 34, then The isolating valve 31 of waste disposal building concentrate receiving slit entrance and the flushing isolating valve 33 of concentrate conveying pump intake are opened, is led to Cross the concentrate pipeline in tank car (between node N05 and N06), concentrate delivery hose 12, quick coupling 11, quick coupling 29, the second concentrate conveyance conduit (between node N12 and N14), the second kinetic pump 34, the second concentrate conveyance conduit (node Between N15 and N16) by concentrate out of, tank car is unloaded to waste disposal building concentrate receiving slit, until concentrate receive Slot reaches the tank car inner pressurd vessel emptying of high liquid level or concentrate shielding transport tank car, closes the second kinetic pump 34.
Then flushing hot water is added to boiler 27 by water heater 26, until reaching the setting of boiler liquidometer 28 Value, then the power provided by the second kinetic pump 34, with hot water injection's contracting liquid conveyance conduit (between node N15 and N16);Again to Boiler 27 reheats flushing hot water, closes the isolating valve 31 of waste disposal building concentrate receiving slit entrance, opens punching The isolating valve 32 for washing branch line, by the second kinetic pump 34 provide power, with hot water injection's contracting liquid conveyance conduit (node N14 with Between N13), the quick coupling 29 in waste factory interface box 30, tank car gladhand 11, tank car concentrate delivery hose 12 And the concentrate pipeline (between node N05 and N06) in tank car, rinse general carry out 1-2 times.
Finally, disconnect tank car gladhand 11 and stored hose, transportational process in tank car unloading and concentrate factory It finishes, tank car may exit off waste disposal building.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art Novel spirit and scope.If in this way, belonging to the utility model claims to these modifications and variations of the present invention And its within the scope of equivalent technology, then the utility model is also intended to include these modifications and variations.

Claims (8)

1. a kind of radioactivity boracic concentrate transportation system for nuclear power station, which is characterized in that including Load System, conveying trough Vehicle and uninstalling system;
The transport tank car includes conveying trough (1);Metallic shield container (2) and insulating layer are provided on the outside of the conveying trough (1) (9);The transport tank car further includes the electric heat tracing device for heating to the conveying trough (1);The conveying trough (1) also sets up There is the concentrate delivery hose (12) for connecting with the Load System or uninstalling system;
Flushing of pipeline device and the kinetic pump as concentrate conveying power are provided on Load System and uninstalling system.
2. being used for the radioactivity boracic concentrate transportation system of nuclear power station as described in claim 1, it is characterised in that:The electricity Heating device includes accompanying-heat cable (4) and vessel temp meter;The accompanying-heat cable (4) is set to the metallic shield container (2) Outside, the vessel temp meter are set on the outside of the conveying trough (1).
3. being used for the radioactivity boracic concentrate transportation system of nuclear power station as described in claim 1, it is characterised in that:The dress Loading system includes concentrate storage tank and the first concentrate conveyance conduit;The first concentrate conveyance conduit and the concentrate are store Slot connection, the other end is provided with quick coupling (22), can be with the quick coupling that is arranged on the concentrate delivery hose (12) (11) it connects;The first kinetic pump (25) are provided on the first concentrate conveyance conduit;The concentrate conveyance conduit also with The connection of flushing of pipeline device;The outlet end of the concentrate storage tank is provided with isolating valve (24).
4. being used for the radioactivity boracic concentrate transportation system of nuclear power station as claimed in claim 3, it is characterised in that:Described The quick coupling (11) being arranged in the quick coupling (22) of one concentrate conveyance conduit and the concentrate delivery hose (12) exists It is connected at nuclear island interface box (23).
5. being used for the radioactivity boracic concentrate transportation system of nuclear power station as described in claim 1, it is characterised in that:
The uninstalling system includes concentrate receiving slit and the second concentrate conveyance conduit;The second concentrate conveyance conduit with Concentrate receiving slit connection, the other end are provided with quick coupling (29), can on the concentrate delivery hose (12) The quick coupling (11) of setting connects;The second kinetic pump (34) are provided on the second concentrate conveyance conduit;The concentration The liquid feeding end of liquid receiving slit is provided with isolating valve (31);The second concentration conveying being connect with the second kinetic pump (34) liquid feeding end It is provided on pipeline and rinses isolating valve (33);The flushing of pipeline device is connected to the flushing isolating valve (33) and described second On the second concentrate conveyance conduit between kinetic pump (34);The second concentrate flushing pipe is additionally provided with and described second Kinetic pump (34) and the flushing branch for rinsing isolating valve (33) parallel connection, the flushing branch road are provided with isolating valve (32).
6. being used for the radioactivity boracic concentrate transportation system of nuclear power station as claimed in claim 5, it is characterised in that:Described The quick coupling (11) being arranged in the quick coupling (29) of two concentrate conveyance conduits and the concentrate delivery hose (12) exists It is connected at waste factory interface box (30).
7. the radioactivity boracic concentrate transportation system for nuclear power station as described in claim 1-6 is any, it is characterised in that: The insulating layer (9) is provided with thermometer;Agitating device is provided in the conveying trough (1);It is also set up on the conveying trough (1) There are liquidometer (15).
8. the radioactivity boracic concentrate transportation system for nuclear power station as described in claim 1-6 is any, it is characterised in that: The flushing of pipeline device includes water heater and boiler;The pipeline at desalination water source after the water heater with the boiler Connection;The outlet pipeline of the boiler is connect with the first concentrate conveyance conduit or the second concentrate conveyance conduit.
CN201721801195.5U 2017-12-21 2017-12-21 A kind of radioactivity boracic concentrate transportation system for nuclear power station Active CN208157082U (en)

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Application Number Priority Date Filing Date Title
CN201721801195.5U CN208157082U (en) 2017-12-21 2017-12-21 A kind of radioactivity boracic concentrate transportation system for nuclear power station

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Application Number Priority Date Filing Date Title
CN201721801195.5U CN208157082U (en) 2017-12-21 2017-12-21 A kind of radioactivity boracic concentrate transportation system for nuclear power station

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109903872A (en) * 2019-01-29 2019-06-18 中广核工程有限公司 Low-level radioactive liquid waste transport device
CN110576004A (en) * 2019-07-25 2019-12-17 北京越涛时代科技发展有限公司 Flushing device and method for radioactive waste liquid transportation system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109903872A (en) * 2019-01-29 2019-06-18 中广核工程有限公司 Low-level radioactive liquid waste transport device
CN110576004A (en) * 2019-07-25 2019-12-17 北京越涛时代科技发展有限公司 Flushing device and method for radioactive waste liquid transportation system

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