CN105355253B - Method for transferring nuclear power station waste filter - Google Patents
Method for transferring nuclear power station waste filter Download PDFInfo
- Publication number
- CN105355253B CN105355253B CN201510681036.5A CN201510681036A CN105355253B CN 105355253 B CN105355253 B CN 105355253B CN 201510681036 A CN201510681036 A CN 201510681036A CN 105355253 B CN105355253 B CN 105355253B
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- China
- Prior art keywords
- cylinder
- upper cover
- cover plate
- filter element
- shielding
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/30—Processing
-
- 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
- G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
-
- 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
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
-
- 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
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
- G21F5/14—Devices for handling containers or shipping-casks, e.g. transporting devices loading and unloading, filling of containers
Abstract
The invention belongs to the technical field of the transferring of nuclear power plant and nuclear chemical radioactive waste filters, and discloses a method for transferring a nuclear power station waste filter. The method comprises following steps: hoisting a ground hatch cover by the use of a hoisting tool, and moving the ground hatch cover away by the use of a transport vehicle; placing a ground shielding device and a rotatable cover plate on the place above a ground steel box; moving an upper cover of a container and the rotatable cover plate away; placing a filter core retainer storage shielding barrel on the ground shielding device by the use of the hoisting tool; enabling a retainer gripper to enter the interior of the filter so as to grip a filter core retainer and lift the filter core retainer to the interior of the retainer storage shielding barrel; placing a filter core transferring device on a third transport vehicle; enabling the third transport vehicle to run to the place above the ground shielding device; enabling a lead cylinder on the outer layer of the ground shielding device to rise and cover the lower edge of a transport vehicle shielding barrel before grabbing the filter core; and then grabbing the filter core. The method is advantageous in that the automation degree is high, good shielding measures are employed, and the method takes short time.
Description
Technical field
The invention belongs to nuclear power plant and nuclear chemical industry Spent Radioactive filter replacement transhipment technical field, and in particular to a seed nucleus
The method of the useless filter transhipment in power station.
Background technology
Several radioactive water filters are fitted with every unit of nuclear power station, the position of water filter is normally at ground
In ground steel case below face, the key component of filter according to sequence of positions from top to bottom include ground hatch board,
Container upper cover, filter element retainer and filter element etc., wherein ground hatch board is concordant with ground.
Specify that filter element reaches certain use time or pressure reduction is required for more when reaching setting value according to nuclear power station
Change, and useless filter element contact agent dose rate is accomplished by loading cask flask to be transported to waste temporary library temporary when being more than 2mSv/h
Deposit.China Nuclear Power Engineering Co., Ltd.'s application《Useless filter element replacing transporting container load measuring and overload protection arrangement》In patent,
Disclose the flow process of filter element transhipment：By specific purpose tool cartridge chamber opening, with the automatic grasper of transfer container
The useless filter element of taking-up is picked up, and is promoted to inside transfer container, then with driving a vehicle in transfer container handling to useless filter element decline passway,
It is transported on useless filter element decline passway so as to realize that useless filter element is changed from cartridge room under the shielding protection of transfer container；
Then, the gripping apparatus of transfer container declines, and useless filter element is sent in the container of barrelling station below by useless filter element decline passway, it
Afterwards cured is carried out to it.The patent does not have the means of transportation of open specific purpose tool, the mode of operation of crawl filter element and turns
The concrete operation methods such as the shielding measure during fortune, it is right because nuclear power station filter has adsorbed a large amount of radionuclides in water
Radiation protection and the requirement of safe operation are high, and the flow process directly can not be used for the useless filter of nuclear power station by those skilled in the art
The true transfer operation of filter element.
The content of the invention
(1) goal of the invention
According to the problems of prior art, the invention provides a kind of high degree of automation, shielding measure are good, time-consuming
The method of the useless filter transhipment of short nuclear power station.
(2) technical scheme
In order to solve the problems of prior art, the invention provides a kind of side of the useless filter transhipment of nuclear power station
Method, the method is comprised the following steps：
(1) lifting device is pushed into into the surface of useless filter place ground steel case, and ground hatch board of slinging；
(2) filter element retainer is stored into shielding cylinder using the first transport vehicle and is transported to the surface of ground steel case and by step
(1) the ground hatch board described in is put to first transport vehicle, removes the first transport vehicle；
(3) ground screen device and rotatable cover plate are transported using the second transport vehicle and utilizes lifting device by ground screen
Device and rotatable cover plate are positioned over the surface of container upper cover, wherein rotatable cover plate be located at ground screen device top and with
Ground screen device is adapted；
The structure of the ground screen device mainly includes upper cover plate, lower shoe, side plate, guide plate and barricade, wherein
Lower shoe be located at upper cover plate lower section and length be more than upper cover plate, side plate be located between lower shoe and upper cover plate, side plate with go to the bottom
Plate, upper cover plate form half-open cuboid structure；Upper cover plate is provided with the duct for connecting with the relevant position of lower shoe；Go to the bottom
Plate to grow and be provided with guide plate on two sides of the part of upper cover plate；Barricade is cuboid structure, positioned at upper cover plate with
Between base plate, the side wall of barricade and bottom are provided with steel ball roller, allow barricade sliding between upper cover plate and lower shoe
Dynamic propulsion and pull-out；Postive stop baffle is additionally provided with lower shoe, prevents barricade from skidding off between upper cover plate and lower shoe；
The structure of the rotatable cover plate includes discoidal upper cover plate and lower cover double-layer structure, and upper cover plate is located at lower cover
Plate top and upper cover plate and lower cover center are provided with the through hole for running through；The surrounding of wherein lower cover is provided with one or more
Be provided with first aperture, upper cover plate a second orifice corresponding with the aperture, the first aperture and second orifice shape and
Diameter is consistent；Plural stopping means are provided with the surrounding of lower cover, the diameter of upper cover plate is less than lower cover and position
In the stopping means；Steel ball roller is additionally provided with lower cover, upper cover plate is rotated by the steel ball roller on lower cover, the
The quantity of one aperture, position are corresponding with quantity and position that fixed screw is covered on nuclear power station filter container；
(4) barricade of ground screen device is opened, it is rotatable with the lifting tool insertion being adapted with container upper cover
It is connected in the through hole of cover plate upper cover plate and lower cover and with container upper cover, then utilizes tear corresponding with container upper cover fixed screw
In the second orifice of holding tool insertion upper cover plate, rotary upper cover plate make second orifice corresponding with each first aperture respectively after utilization
Dismantling device unclamps the fixed screw on container upper cover；Container upper cover and rotatable cover plate are transferred to together by lifting tool
In one transport vehicle, the barricade of ground screen device is closed；
(5) the filter element retainer storage shielding cylinder in the first transport vehicle is placed on ground screen device using lifting device
On；Filter element retainer storage shielding cylinder includes lid, cylinder and base on shielding cylinder, covers on shielding cylinder mainly by two semicircle dish types
Upper lid composition, and the duct for gripping apparatus turnover is left between covering in two semicircle dish types, lid is platform in one of semicircle dish type
Stepped structure, lid matches with the structure of lid in the semicircle dish type in another semicircle dish type, and the terraced structure can have
Effect stops the radioactive ray of leakage；The corresponding position of lid and cylinder is each provided with an ear mount in two semicircle dish types, should
The through hole that three ear mount intermediate formation run through, is provided with bearing pin in through hole, in two semicircle dish types lid by bearing pin and ear mount with
Cylinder connects, and is opened to both sides centered on the bearing pin when lid is opened in two semicircle dish types；Base is located at cylinder lower section,
For disc-shaped structure, chassis interior is provided with supporting plate, and the supporting plate can pass in and out chassis interior；
(6) lid in the two halves disc above filter element retainer storage shielding cylinder is opened, by retainer gripping apparatus from filter element
Retainer storage shielding cylinder upper end is closed into after inside and covers and pull out the support that filter element retainer stores shielding cylinder chassis interior
Plate, filter element retainer using retainer gripping apparatus captured and be promoted in retainer storage shielding cylinder into filter interior；First
The supporting plate of the barricade and filter element retainer storage shielding cylinder bottom of ground screen device is closed afterwards；Using lifting device by filter element
Retainer storage shielding cylinder is positioned over after the first transport vehicle and removes；
(7) filter element transporter is positioned in the 3rd transport vehicle, wherein the structure of the 3rd transport vehicle is：The transport vehicle bag
Sweep, wheel, motor, differential mechanism, power supply and switch board are included, wherein sweep is rectangle sweep, and power supply and switch board are located at
Sweep top one end, motor, differential mechanism are fixed on the lower section of sweep.It is critical that it is recessed that cuboid is additionally provided with sweep
Groove, is provided with duct in the middle part of groove, lead screen cylinder is provided with below duct, and the duct is logical with what the formation of lead screen cylinder ran through
Hole, filter element transporter is positioned over duct top, is bolted between the shielding cylinder and sweep, is provided with sweep and hangs
Dress lifting ear, is provided with alignment pin in groove；
Lead is placed above ground screen device upper cover plate arranges the duct for connecting with the relevant position of lower shoe；It is described
Lead includes internal layer lead, outer layer lead double-layer structure, and wherein internal layer lead is fixed structure, and outer layer lead is liftable knot
Structure；
3rd transport vehicle is pushed into into ground screen device top, before filter element transporter crawl filter element, handle and convex is rotated
Take turns and the outer layer lead of ground screen device is risen, until outer layer lead has covered the lower limb of transport vehicle shielding cylinder, then
Grasping manipulation is carried out again；
The structure of wherein filter element transporter is：The device mainly includes base plate and the transporting on base plate, volume
Machine, halliard, electrical control cubicles and battery case are raised, wherein transporting is internally provided with gripping apparatus, and hoist engine is located at transporting outside side,
Electrical control cubicles and battery case are fixed at transhipment drum outer wall；Power end, the Loading End of halliard is connected respectively with hoist engine and gripping apparatus；
The transporting includes cylinder top cover and cylinder, and wherein cylinder top cover is mainly included in the first barricade and the first barricade top
Secondary shielding plate at heart position；Microswitch component and two groups of pulley assemblies are additionally provided with cylinder top cover, wherein fine motion is opened
Close component include microswitch, elevating lever and compression spring, gripping apparatus crawl filter element after under the drive of hoist engine and halliard on
Elevating lever is risen and touches, the elevating lever extruding compression spring simultaneously touches microswitch, and microswitch to electrical control cubicles send signal, make
Hoist engine quits work；Two groups of pulley assemblies include being located on the first barricade near the first pulley group of hoist engine side
Part and the second pulley component positioned at secondary shielding intralaminar part, secondary shielding plate is provided with band near the side of first pulley component
Reeded shielding slab, the middle part of halliard bypasses respectively the pulley of first pulley component, with reeded shielding slab and second
The pulley of pulley assembly is connected with gripping apparatus, and the Loading End of halliard is located at the radial center position of transporting；The cylinder
The mid portion of body bottom be provided with one can push-and-pull lead screen base, the side of the lead screen base is equipped with one and is easy to it
The shielding case body of push-and-pull, the shielding case body is located at hoist engine lower section；The primary structure of shielding case body includes two pull bars, three sides
Plate and buffer stopper, one end of two pull bars is fixedly connected by a fixed block with lead screen base, and the other end stretches out screen
Cover outside casing；The gathering sill for being easy to two pull bar push-and-pulls, lead screen base and bottom are provided with two side plates of shielding case body
Rail plate is installed, shielding case body is provided with buffer stopper on the side plate on the opposite direction of lead screen base between plate；It is described
The middle part of gathering sill is rectangle structure, and two ends are semicircular structure；Described two pull bars by integration, diameter increases successively
The first straight-bar greatly, the second straight-bar and the 3rd straight-bar composition, three straight-bars are cylinder, wherein the first straight-bar is straight with second
The junction of bar forms first step, and the second straight-bar and the junction of the 3rd straight-bar form second step, and the second straight-bar with
The involucrum of cylinder is provided with 3rd straight-bar, the diameter of the involucrum is relative with the diameter of the semicircular structure at gathering sill two ends
Should；Involucrum is internally provided with compression spring, and compression spring is stuck between involucrum one end and second step；It is provided with 3rd straight-bar
One or more alignment pins, the corresponding position of involucrum is provided with " L " type locating slot corresponding with the alignment pin；Lead screen base
Before pull-out, alignment pin is located at the long edge position of " L " type locating slot, and when lead screen base is pulled out, external force puts on two pull bars
Exert oneself to two outsides on involucrum, it is outer and alignment pin arrival " L " type locating slot short that involucrum is stretched to gathering sill by compression spring
At side, rotating the involucrum makes alignment pin be located in the minor face of " L " type locating slot to position, and is easy to two pull bars to push away in gathering sill
Draw；
During using the filter element transporter crawl filter element, lead screen base is drawn out in shielding case body, gripping apparatus is in elevator
Drop under the drive of machine and halliard in filter, filter element is caught to transporting with " eight " font handgrip, then will
Lead screen base is pushed into transporting bottom, and filter element is placed in the lead screen base top；
Preferably, in step (7), the halliard included in filter element transporter is steel wire rope；The material of transporting barrel wall
Matter is lead, and wall thickness is the 1/4～1/3 of barrel diameter；The material of base plate is rustless steel；The material of cylindrical involucrum is rustless steel.
Preferably, in step (7), hoist engine is by Motor drive, while be additionally provided with manual handle, accident power-off or its
He uses under failure condition.
Preferably, in step (7), below first pulley component LOAD CELLS is additionally provided with.
Preferably, in step (7), the material of the secondary shielding plate arranged on cylinder top cover is tungsten alloy, the first shielding
The integrated concave structure of plate, it is divided into inside and outside two-layer, and wherein outer layer is rustless steel, and inside is tungsten alloy.
Preferably, in step (7), the bottom of transporting is additionally provided with waste collection pipe, the waste collection pipe and shielded box
The waste collection groove connection for arranging in vivo, to contain filter element in the radioactive liquid waste that flows out.
Preferably, in step (7), the handgrip of gripping apparatus is "eight" shape structure, is beneficial to crawl filter element.Current nuclear power station two
For the filter element that presurized water reactor group is adopted, its top is annular shape, and the handgrip of "eight" shape structure is conducive to capturing such filter element.
Preferably, lifting device described in step (1) is straddle truck, and the bottom of straddle truck carries roller.
Preferably, in step (7), it is bolted between the lead screen cylinder and sweep of the 3rd transport vehicle.
Preferably, in step (5), steel ball roller is installed between covering on cylinder and shielding cylinder, is easy to open on shielding cylinder
Lid；Block is additionally provided with the ear mount covered in two semicircle dish types, to control to be covered on shielding cylinder the angle of opening.
(3) beneficial effect
The method of the useless filter transhipment of nuclear power station provided using the present invention, the method using straddle truck, rotatable cover plate,
Ground screen device, filter element retainer storage shielding cylinder and filter element transporter are successively by ground hatch board, container upper cover, filter element
Retainer and filter element are transported in transport vehicle, in whole filter transport process, it is ensured that surrounding and operator's
Radiation safety.Specific explanations are：1) ground screen is adopted when capturing ground hatch board, container upper cover, filter element retainer and filter element
Device is covered, radiation leakage problem is avoided to greatest extent；2) three transport vehicle are respectively adopted, are transported according to sequencing and was given up
Each part of filter, has taken into account operation ease and human users' safety；3) be provided with can push-and-pull filter element transporter bottom
Lead screen base, is easy to gripping apparatus that filter element is captured from the steel case of filter ground and radiation protection is carried out, in order to prevent lead screen bottom
Radioactive ray leakage when seat is pulled out, filter element transporter is additionally provided with shielding case body, because lead screen base weight is weighed very much,
Shielding case body is effectively shielding radioactive while can also be easy to using special constructions such as pull bar, gathering sill, buffer stopper, slide rails
Base push-and-pull.
Description of the drawings
Fig. 1 is straddle truck schematic diagram；
Fig. 2 is filter element retainer storage shielding cylinder schematic diagram；Wherein 1 is covered on shielding cylinder；2 is cylinder；3 is base；4 are
Cylinder ear mount；5 bearing pins；6 is lifting lifting ear；7 is supporting plate；8 is supporting plate handle.
Fig. 3 is lid schematic diagram in two halves disc；Wherein 9 is lid ear mount on shielding cylinder；
It wherein 10 is upper cover plate that Fig. 4 is, 11 is lower shoe, and 12 is side plate, and 13 is guide plate, and 14 is to rotate handle, and 15 are
Barricade is shaken hands, and 16 is postive stop baffle, and 17 is draw ring, and 18 is fastening screw, and 19 is internal layer lead, and 20 is outer layer lead；
Fig. 5 is lower cover plate structure schematic diagram；Wherein 21 is the first aperture；23 is steel ball roller；24 is stopping means；25 are
Lifting lifting ear, 26 is through hole；
Fig. 6 is upper cover plate structural representation；Wherein 22 is second orifice, and 26 is through hole；
Fig. 7 is upper cover plate, lower cover cooperation schematic diagram；
Fig. 8 is the 3rd transport vehicle generalized section, wherein 27 is wheel, 28 is sweep, and 29 is groove, and 30 is lead screen
Cylinder, 31 is alignment pin, and 32 is power supply and switch board；
Fig. 9 is filter element transporter schematic perspective view；Wherein 33 is base plate；34 is transporting；35 is the first barricade；36
It is secondary shielding plate；37 is halliard；38 is first pulley component；39 is electrical control cubicles；40 is battery case；41 is hoist engine；42
It is shielding case body；
Figure 10 is filter element transporter generalized section；Wherein 43 is gripping apparatus；44 is transporting barrel wall；45 is to be oriented to
Groove；46 is lead screen base；47 is second pulley component；
Figure 11 is shielding case body and pull bar generalized section；Wherein 49 is the first straight-bar；50 is the second straight-bar；51 is the 3rd
Straight-bar；52 is involucrum；53 is compression spring；54 is fixed block；
Figure 12 is gripping apparatus generalized section.
Specific embodiment
The application is further elaborated below in conjunction with specific embodiment and Figure of description.
Embodiment
A kind of method of the useless filter transhipment of nuclear power station, the method is comprised the following steps, and the method equipment therefor such as Fig. 1～
Shown in Figure 12.
(1) straddle truck is pushed into into the surface of useless filter place ground steel case, and ground hatch board of slinging, straddle truck shows
It is intended to such as Fig. 1；
(2) filter element retainer is stored into shielding cylinder using the first transport vehicle and is transported to the surface of ground steel case and by step
(1) the ground hatch board described in is put to first transport vehicle, removes the first transport vehicle；
(3) ground screen device and rotatable cover plate are transported using the second transport vehicle and utilizes lifting device by ground screen
Device and rotatable cover plate are positioned over the surface of container upper cover, wherein rotatable cover plate be located at ground screen device top and with
Ground screen device is adapted；
The structure of the ground screen device is as shown in figure 4, it mainly includes upper cover plate 10, lower shoe 11, side plate 12, leads
To plate 13 and barricade, wherein lower shoe 11 is located at the lower section of upper cover plate 10 and length is more than upper cover plate 10, and side plate 12 is located at down
Between base plate 11 and upper cover plate 10, side plate 12 forms half-open cuboid structure with lower shoe 11, upper cover plate 10；Upper cover plate 10
The duct for connecting is provided with the relevant position of lower shoe 11；Lower shoe 11 grows and arranged on two sides of the part of upper cover plate 10
There is guide plate 13；Barricade is cuboid structure, between upper cover plate 10 and lower shoe 11, the side wall of barricade and bottom
Steel ball roller is provided with, is allow barricade to slide between upper cover plate 10 and lower shoe 11 and is advanced and pull out；On lower shoe 11
Postive stop baffle 16 is additionally provided with, prevents barricade from skidding off between upper cover plate 10 and lower shoe 11；
The rotatable cover plate, as shown in Fig. 5, Fig. 6 and Fig. 7, its structure includes discoidal upper cover plate and lower cover two
Rotating fields, upper cover plate is located at lower cover top and upper cover plate and lower cover center are provided with the through hole 26 for running through；Wherein lower cover
The surrounding of plate is provided with one or more first apertures 21, upper cover plate and is provided with a second orifice corresponding with the aperture
22, the first aperture 21 is consistent with diameter with the shape of second orifice 22；Plural limit is provided with the surrounding of lower cover
Position device 24, the diameter of upper cover plate is less than lower cover and in the stopping means 24；Steel ball roller is additionally provided with lower cover
23, upper cover plate is rotated by the steel ball roller 23 on lower cover, and the quantity of the first aperture 21, position and nuclear power station filter hold
The quantity that fixed screw is covered on device is corresponding with position；
(4) barricade of ground screen device is opened, it is rotatable with the lifting tool insertion being adapted with container upper cover
It is connected in the through hole 26 of cover plate upper cover plate and lower cover and with container upper cover, then utilizes corresponding with container upper cover fixed screw
Dismantling device insertion upper cover plate second orifice 22 in, rotary upper cover plate make second orifice 22 respectively with each the first aperture 21 pairs
Afterwards the fixed screw on container upper cover should be unclamped using dismantling device；Lifting tool by container upper cover and rotatable cover plate together
It is transferred in the first transport vehicle, closes the barricade of ground screen device；
(5) the filter element retainer storage shielding cylinder in the first transport vehicle is placed on ground screen device using lifting device
On；As shown in Figure 2 and Figure 3, it includes lid 1 on shielding cylinder, cylinder 2 and base 3 to filter element retainer storage shielding cylinder, on shielding cylinder
Lid 1 is main to be constituted by cover in two semicircle dish types, and leaves the duct passed in and out for gripping apparatus between covering in two semicircle dish types, wherein
Lid is terraced structure in one semicircle dish type, is covered in another semicircle dish type and the structure phase covered in the semicircle dish type
Match somebody with somebody, the terraced structure can effectively stop the radioactive ray of leakage；The relevant position of lid and cylinder in two semicircle dish types
Place is each provided with an ear mount, the through hole that three ear mount intermediate formation run through, and bearing pin 5, two semi-discs are provided with through hole
Lid is connected by bearing pin 5 and ear mount with cylinder 2 in shape, and in two semicircle dish types during lid opening centered on the bearing pin 5 to
Open both sides；Base 3 is located at the lower section of cylinder 2, is disc-shaped structure, and base 3 is internally provided with supporting plate 7, and the supporting plate 7 can pass in and out bottom
Inside seat 3；
(6) lid in the two halves disc above filter element retainer storage shielding cylinder is opened, by retainer gripping apparatus from filter element
Retainer storage shielding cylinder upper end is closed into after inside and covers and pull out the support that filter element retainer stores shielding cylinder chassis interior
Plate, filter element retainer using retainer gripping apparatus captured and be promoted in retainer storage shielding cylinder into filter interior；First
The supporting plate of the barricade and filter element retainer storage shielding cylinder bottom of ground screen device is closed afterwards；Using lifting device by filter element
Retainer storage shielding cylinder is positioned over after the first transport vehicle and removes；
(7) filter element transporter is positioned in the 3rd transport vehicle, wherein the structure of the 3rd transport vehicle is：The transport vehicle bag
Sweep 28, wheel 27, motor, differential mechanism, power supply and switch board 32 are included, wherein sweep 28 is rectangle sweep, power supply and control
Cabinet processed 32 is located at the top one end of sweep 28, and motor, differential mechanism are fixed on the lower section of sweep 28.It is additionally provided with sweep 28 rectangular
Bodily form groove 29, the middle part of groove 29 is provided with duct, and lead screen cylinder 30 is provided with below duct, the duct and lead screen cylinder
30 form the through hole for running through, and filter element transporter is positioned over duct top, and bolt is passed through between the shielding cylinder 30 and sweep 28
Connection, is provided with lifting lifting ear, groove 29 on sweep 28 and is provided with alignment pin；
Lead is placed above ground screen device upper cover plate with the duct that lower shoe is connected；The lead includes internal layer lead
Cylinder, outer layer lead double-layer structure, wherein internal layer lead are fixed structure, and outer layer lead is liftable structure；
3rd transport vehicle is pushed into into ground screen device top, before filter element transporter crawl filter element, handle and convex is rotated
Take turns and the outer layer lead of ground screen device is risen, until outer layer lead has covered the lower limb of transport vehicle shielding cylinder, then
Grasping manipulation is carried out again；
The structure of wherein filter element transporter is：The device mainly includes base plate 33 and the transporting on base plate 33
34th, hoist engine 41, halliard 37, electrical control cubicles 39 and battery case 40, wherein transporting 34 are internally provided with gripping apparatus 43, hoist engine 41
Positioned at the outside side of transporting 34, electrical control cubicles 39 and battery case 40 are fixed at the outer wall of transporting 34；The power end of halliard 37,
Loading End is connected respectively with hoist engine 41 and gripping apparatus 43；The transporting includes cylinder top cover and cylinder, wherein cylinder top cover master
To include the first barricade 35 and the secondary shielding plate 36 at the upper center position of the first barricade 35；Also set up at cylinder top cover
There are microswitch component and two groups of pulley assemblies, wherein microswitch component is located at cylinder top, and it includes microswitch, lifting
Bar and compression spring, rise and touch elevating lever, the elevating lever after gripping apparatus crawl filter element under the drive of hoist engine and halliard
Extruding compression spring simultaneously touches microswitch, and microswitch to electrical control cubicles send signal, make hoist engine quit work；Described two groups
Pulley assembly includes being located on the first barricade 35 near the first pulley component 38 of the side of hoist engine 41 and positioned at secondary shielding
Second pulley component 47 inside plate 36, secondary shielding plate 36 is provided with reeded near the side of first pulley component 38
Shielding slab, the middle part of halliard 37 bypasses respectively the pulley of first pulley component 38, with reeded shielding slab and second pulley
The pulley of component 47 is connected with gripping apparatus 43, and the Loading End of halliard 37 is located at the radial center position of transporting 34；Institute
State cylinder body bottom mid portion be provided with one can push-and-pull lead screen base 46, the side of the lead screen base 46 is equipped with one
The individual shielding case body 42 for being easy to its push-and-pull, the shielding case body 42 is located at the lower section of hoist engine 41；The primary structure bag of shielding case body 42
Two pull bars, three side plates and buffer stopper are included, one end of two pull bars is fixed with lead screen base by a fixed block and connected
Connect, the other end is stretched out outside shielding case body；The guiding for being easy to two pull bar push-and-pulls is provided with two side plates of shielding case body
Groove 45, is provided with rail plate between lead screen base 46 and base plate 33, shielding case body 42 is in the opposite direction of lead screen base 46
On side plate on be provided with buffer stopper；The middle part of the gathering sill 45 is rectangle structure, and two ends are semicircular structure；Described two
Individual pull bar by integration, the first straight-bar 49 that diameter increases successively, the second straight-bar 50 and the 3rd straight-bar 51 constitute, this three
Straight-bar is cylinder, wherein the junction of the first straight-bar 49 and the second straight-bar 50 forms first step, the second straight-bar 50 and the
The junction of three straight-bars 51 forms the involucrum that cylinder is provided with second step, and the second straight-bar 50 and the 3rd straight-bar 51
52, the diameter of the involucrum 52 is corresponding with the diameter of the semicircular structure at the two ends of gathering sill 45；Involucrum 52 is internally provided with compression
Spring 53, compression spring 53 is stuck between involucrum one end and second step；One or more positioning are provided with 3rd straight-bar 51
Pin, the corresponding position of involucrum is provided with " L " type locating slot corresponding with the alignment pin；Before lead screen base 46 is pulled out, positioning
In the long edge position of " L " type locating slot, when lead screen base 46 is pulled out, external force puts on the involucrum of two pull bars to two pins position
Outside is exerted oneself, and involucrum is stretched to outside gathering sill 45 compression spring 53 and alignment pin is reached at the minor face of " L " type locating slot, rotation
Turning the involucrum makes alignment pin be located in the minor face of " L " type locating slot to position, and is easy to the push-and-pull in gathering sill of two pull bars；
During using the filter element transporter crawl filter element, lead screen base is drawn out in shielding case body, gripping apparatus is in elevator
Drop under the drive of machine and halliard in filter, filter element is caught to transporting with " eight " font handgrip, then will
Lead screen base is pushed into transporting bottom, and filter element is placed in the lead screen base top；
Wherein, in step (7), the halliard 37 included in filter element transporter is steel wire rope；The material of transporting barrel wall
Matter is lead, and wall thickness is the 1/4～1/3 of barrel diameter；The material of base plate 33 is rustless steel；The material of cylindrical involucrum 52 is stainless
Steel.
In step (7), hoist engine 41 is by Motor drive, while manual handle is additionally provided with, in accident power-off or other events
Use in the case of barrier.
In step (7), the lower section of first pulley component 38 is additionally provided with LOAD CELLS.
In step (7), the material of the secondary shielding plate 36 arranged on cylinder top cover is tungsten alloy, and the first barricade 35 is
The concave structure of integration, it is divided into inside and outside two-layer, and wherein outer layer is rustless steel, and inside is tungsten alloy.
In step (7), the bottom of transporting is additionally provided with waste collection pipe, arranges in the waste collection pipe and shielding case body
Waste collection groove connection, to contain filter element in flow out radioactive liquid waste.
In step (7), the handgrip of gripping apparatus 43 is "eight" shape structure, is beneficial to crawl filter element.The secondary pressure of current nuclear power station
The filter element that water-water reactor group is adopted, its top is annular shape, and the handgrip of "eight" shape structure is conducive to capturing such filter element.
Lifting device described in step (1) is straddle truck, and the bottom of straddle truck carries roller.
In step (7), it is bolted between the lead screen cylinder and sweep of the 3rd transport vehicle.
In step (5), steel ball roller is installed between covering on cylinder and shielding cylinder, is easy to open and cover on shielding cylinder；Two
Block is additionally provided with the ear mount covered in semicircle dish type, to control to be covered on shielding cylinder the angle of opening.
Claims (10)
1. the method that the useless filter of nuclear power station is transported, it is characterised in that the method is comprised the following steps：
(1) lifting device is pushed into into the surface of useless filter place ground steel case, and ground hatch board of slinging；
(2) filter element retainer is stored into shielding cylinder using the first transport vehicle and is transported to the surface of ground steel case and by step (1)
Described in ground hatch board put to first transport vehicle, remove the first transport vehicle；
(3) ground screen device and rotatable cover plate are transported using the second transport vehicle and utilizes lifting device by ground screen device
With the surface that rotatable cover plate is positioned over container upper cover, wherein rotatable cover plate be located at ground screen device top and and ground
Screening arrangement is adapted；
The structure of the ground screen device includes upper cover plate, lower shoe, side plate, guide plate and barricade, wherein lower shoe position
In the lower section of upper cover plate and length is more than upper cover plate, side plate is located between lower shoe and upper cover plate, side plate and lower shoe, upper cover plate
Form half-open cuboid structure；Upper cover plate is provided with the duct for connecting with the relevant position of lower shoe；Lower shoe grows
Guide plate is provided with two sides of the part of cover plate；Barricade is cuboid structure, between upper cover plate and lower shoe,
The side wall of barricade and bottom are provided with steel ball roller, allow barricade to slide between upper cover plate and lower shoe and advance and draw
Go out；Postive stop baffle is additionally provided with lower shoe, prevents barricade from skidding off between upper cover plate and lower shoe；
The structure of the rotatable cover plate includes discoidal upper cover plate and lower cover double-layer structure, and upper cover plate is located on lower cover
Side and upper cover plate and lower cover center are provided with the through hole for running through；The surrounding of wherein lower cover be provided with one or more first
The shape and diameter of a second orifice corresponding with the aperture, the first aperture and second orifice are provided with aperture, upper cover plate
It is consistent；Plural stopping means are provided with the surrounding of lower cover, the diameter of upper cover plate is less than lower cover and positioned at this
In stopping means；Steel ball roller is additionally provided with lower cover, upper cover plate is rotated by the steel ball roller on lower cover, and first is little
The quantity in hole, position are corresponding with quantity and position that fixed screw is covered on nuclear power station filter container；
(4) barricade of ground screen device is opened, with the lifting tool being adapted with container upper cover rotatable cover plate is inserted
Upper cover plate and lower cover through hole in and be connected with container upper cover, then utilize dismounting corresponding with container upper cover fixed screw
In the second orifice of instrument insertion upper cover plate, rotary upper cover plate make second orifice corresponding with each first aperture respectively after using tearing open
Holding tool unclamps the fixed screw on container upper cover；Container upper cover and rotatable cover plate are transferred to together first by lifting tool
In transport vehicle, the barricade of ground screen device is closed；
(5) the filter element retainer storage shielding cylinder in the first transport vehicle is placed on ground screen device using lifting device；Filter
Core retainer storage shielding cylinder includes lid, cylinder and base on shielding cylinder, covers on shielding cylinder and constituted by covering in two semicircle dish types,
And the duct passed in and out for gripping apparatus is left between covering in two semicircle dish types, lid is terraced structure in one of semicircle dish type,
Lid matches with the structure of lid in the semicircle dish type in another semicircle dish type, and the terraced structure can effectively stop leakage
Radioactive ray；The corresponding position of lid and cylinder is each provided with an ear mount in two semicircle dish types, in three ear mounts
Between form the through hole for running through, bearing pin is provided with through hole, lid is connected by bearing pin and ear mount with cylinder in two semicircle dish types, and
And opened to both sides centered on the bearing pin when lid is opened in two semicircle dish types；Base is located at cylinder lower section, is disc knot
Structure, chassis interior is provided with supporting plate, and the supporting plate can pass in and out chassis interior；
(6) lid in the two halves disc above filter element retainer storage shielding cylinder is opened, retainer gripping apparatus is kept from filter element
Frame storage shielding cylinder upper end is closed the two halves circular upper cover into after inside and is pulled out in filter element retainer storage shielding cylinder base
The supporting plate in portion, the barricade for opening ground screen device is captured filter element retainer into filter interior using retainer gripping apparatus
And be promoted in retainer storage shielding cylinder；Successively close the barricade and filter element retainer storage shielding cylinder of ground screen device
The supporting plate of bottom；Filter element retainer storage shielding cylinder is positioned over after the first transport vehicle using lifting device is removed；
(7) filter element transporter is positioned in the 3rd transport vehicle, wherein the structure of the 3rd transport vehicle is：The transport vehicle includes car
Plate, wheel, motor, differential mechanism, power supply and switch board, wherein sweep are rectangle sweep, and power supply and switch board are located at sweep
Top one end, motor, differential mechanism are fixed on the lower section of sweep；Cuboid groove, the middle part of groove are additionally provided with sweep
Duct is provided with, lead screen cylinder is provided with below duct, the duct forms the through hole for running through, filter element transhipment dress with lead screen cylinder
Storing is placed in duct top, is bolted between the shielding cylinder and sweep, lifting lifting ear is provided with sweep, in groove
It is provided with alignment pin；
Lead is placed above ground screen device upper cover plate with the duct that lower shoe is connected；The lead include internal layer lead,
Outer layer lead double-layer structure, wherein internal layer lead are fixed structure, and outer layer lead is liftable structure；
3rd transport vehicle is run to ground screen device top, before filter element transporter crawl filter element, handle and cam is rotated
The outer layer lead of ground screen device is risen, until outer layer lead has covered the lower limb of transport vehicle shielding cylinder, Ran Houzai
Carry out grasping manipulation,
The structure of filter element transporter is：The device include base plate and the transporting on base plate, hoist engine, halliard,
Electrical control cubicles and battery case, wherein transporting are internally provided with gripping apparatus, and hoist engine is located at transporting outside side, electrical control cubicles and battery
Case is fixed at transhipment drum outer wall；Power end, the Loading End of halliard is connected respectively with hoist engine and gripping apparatus；The transporting bag
Cylinder top cover and cylinder are included, wherein cylinder top cover includes the first barricade and the second screen at the first barricade upper center position
Shield plate；Microswitch component and two groups of pulley assemblies are additionally provided with cylinder top cover, wherein microswitch component is opened including fine motion
Pass, elevating lever and compression spring, after gripping apparatus crawl filter element elevating lever is risen and touches under the drive of hoist engine and halliard, should
Elevating lever extrudes compression spring and touches microswitch, and microswitch to electrical control cubicles send signal, make hoist engine quit work；Institute
Stating two groups of pulley assemblies includes being located on the first barricade near the first pulley component of hoist engine side and positioned at secondary shielding
The second pulley component of intralaminar part, secondary shielding plate is provided with reeded shielding slab near the side of first pulley component,
The middle part of halliard bypass respectively the pulley of first pulley component, the pulley with reeded shielding slab and second pulley component with
Gripping apparatus connects, and the Loading End of halliard is located at the radial center position of transporting；The mid portion of the cylinder body bottom
Be provided with one can push-and-pull lead screen base, the side of the lead screen base is equipped with a shielding case body for being easy to its push-and-pull,
The shielding case body is located at hoist engine lower section；The primary structure of shielding case body includes two pull bars, three side plates and buffer stoppers, and this two
One end of individual pull bar is fixedly connected by a fixed block with lead screen base, and the other end is stretched out outside shielding case body；Shielded box
The gathering sill for being easy to two pull bar push-and-pulls is provided with two side plates of body, slip is installed between lead screen base and base plate
Guide rail, shielding case body is provided with buffer stopper on the side plate on the opposite direction of lead screen base；The middle part of the gathering sill is length
Square structure, two ends are semicircular structure；Described two pull bars by integration, the first straight-bar that diameter increases successively, the
Two straight-bars and the 3rd straight-bar are constituted, and three straight-bars are cylinder, wherein the first straight-bar is formed with the junction of the second straight-bar
The junction of first step, the second straight-bar and the 3rd straight-bar forms and arranged at second step, and the second straight-bar and the 3rd straight-bar
There is the involucrum of cylinder, the diameter of the involucrum is corresponding with the diameter of the semicircular structure at gathering sill two ends；Involucrum inside is arranged
There is compression spring, compression spring is stuck between involucrum one end and second step；One or more positioning are provided with 3rd straight-bar
Pin, the corresponding position of involucrum is provided with " L " type locating slot corresponding with the alignment pin；Before lead screen base is pulled out, alignment pin
Positioned at the long edge position of " L " type locating slot, when lead screen base is pulled out, external force is put on the involucrum of two pull bars to two outsides
Firmly, compression spring is stretched to involucrum outside gathering sill and alignment pin is reached at the minor face of " L " type locating slot, rotates the involucrum
Alignment pin is located in the minor face of " L " type locating slot to position, be easy to the push-and-pull in gathering sill of two pull bars.
2. the method that the useless filter of nuclear power station according to claim 1 is transported, it is characterised in that step (7) filter element is transported
The halliard included in device is steel wire rope；The material of the transporting barrel wall is lead, and wall thickness is the 1/4～1/ of barrel diameter
3；The material of base plate is rustless steel, and the material of cylindrical involucrum is rustless steel.
3. the method that the useless filter of nuclear power station according to claim 1 is transported, it is characterised in that step (7) filter element is transported
The hoist engine included in device is by Motor drive, while being additionally provided with manual handle.
4. the method that the useless filter of nuclear power station according to claim 1 is transported, it is characterised in that step (7) filter element is transported
LOAD CELLS is additionally provided with below the first pulley component included in device.
5. the method that the useless filter of nuclear power station according to claim 1 is transported, it is characterised in that step (7) filter element is transported
The material of the secondary shielding plate arranged on the cylinder top cover included in device is tungsten alloy, integrated recessed of the first barricade
Shape structure, it is divided into inside and outside two-layer, and wherein outer layer is rustless steel, and inside is tungsten alloy.
6. the method that the useless filter of nuclear power station according to claim 1 is transported, it is characterised in that step (7) filter element is transported
The transporting included in device, its bottom is additionally provided with waste collection pipe, and the waste collection pipe is useless with the interior setting of shielding case body
Liquid collecting tank connects.
7. the method that the useless filter of nuclear power station according to claim 1 is transported, it is characterised in that step (7) filter element is transported
The middle gripping apparatus included in device, its handgrip is "eight" shape structure.
8. the method for the useless filter transhipment of nuclear power station according to claim 1, it is characterised in that step (1), step (3),
Lifting device described in step (5) and step (6) is straddle truck, and the bottom of straddle truck carries roller.
9. the method that the useless filter of nuclear power station according to claim 1 is transported, it is characterised in that the 3rd fortune in step (7)
It is bolted between lead screen cylinder and sweep described in defeated car.
10. the method that the useless filter of nuclear power station according to claim 1 is transported, it is characterised in that in step (5), cylinder
Steel ball roller is installed between lid with shielding cylinder, is easy to be opened and cover on shielding cylinder；In the ear mount covered in two semicircle dish types also
Block is provided with, to control to be covered on shielding cylinder the angle of opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510681036.5A CN105355253B (en) | 2015-10-20 | 2015-10-20 | Method for transferring nuclear power station waste filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510681036.5A CN105355253B (en) | 2015-10-20 | 2015-10-20 | Method for transferring nuclear power station waste filter |
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| Publication Number | Publication Date |
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| CN105355253A CN105355253A (en) | 2016-02-24 |
| CN105355253B true CN105355253B (en) | 2017-05-03 |
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| CN201510681036.5A Active CN105355253B (en) | 2015-10-20 | 2015-10-20 | Method for transferring nuclear power station waste filter |
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| CN106782725B (en) * | 2016-12-28 | 2018-07-03 | 中核核电运行管理有限公司 | Useless filter cartridge replaces, is temporary, returns and takes device |
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| CN107219083B (en) * | 2017-05-23 | 2019-04-26 | 大连洁能重工股份有限公司 | Useless filter element replacing transports principle prototype experimental rig |
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| CN107398110A (en) * | 2017-09-01 | 2017-11-28 | 苏州百硕自动化环保设备有限公司 | A kind of filter of automatically replaceable filter core |
| CN107705866A (en) * | 2017-09-30 | 2018-02-16 | 中国核电工程有限公司 | A kind of removal shield conveying arrangement |
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| CN110648778B (en) * | 2019-05-20 | 2021-06-22 | 中国核动力研究设计院 | Process for treating filter by radioactive waste liquid filter treatment device |
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| CN113751979A (en) * | 2020-06-04 | 2021-12-07 | 中核武汉核电运行技术股份有限公司 | Automatic dismounting device for main bolt hole sealing plug of pressure vessel |
| CN111976865A (en) * | 2020-07-31 | 2020-11-24 | 中核核电运行管理有限公司 | Cobalt source goes out to pile with depleted uranium shielding instrument conveyer |
| CN112259267B (en) * | 2020-10-21 | 2022-04-01 | 中国核动力研究设计院 | Nuclear reactor detector assembly removal device |
| CN112259268B (en) * | 2020-10-21 | 2022-03-01 | 中国核动力研究设计院 | Nuclear reactor detector assembly removal system and control method |
| CN112259266B (en) * | 2020-10-21 | 2022-04-01 | 中国核动力研究设计院 | Shielding structure and shielding system for dismantling reactor detector assembly and using method |
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| CN201871274U (en) * | 2010-11-25 | 2011-06-22 | 西西埃热能(南京)有限公司 | Special tool for rapidly replacing filter element |
| CN103366845B (en) * | 2013-07-18 | 2016-04-20 | 中广核工程有限公司 | The replacing conveyer method of nuclear power station radioactive waste nuclear filter core |
| CN104240780B (en) * | 2014-09-09 | 2016-08-17 | 中国原子能科学研究院 | A kind of filter element and filter element retainer gripping apparatus |
| CN104613842B (en) * | 2014-12-26 | 2019-08-06 | 中国核工业二三建设有限公司 | It is a kind of for checking and accepting the tool and its application method of filter element replacing system |
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