CN108597624A - Cooling equipment suitable for nuclear power station - Google Patents

Cooling equipment suitable for nuclear power station Download PDF

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Publication number
CN108597624A
CN108597624A CN201711302237.5A CN201711302237A CN108597624A CN 108597624 A CN108597624 A CN 108597624A CN 201711302237 A CN201711302237 A CN 201711302237A CN 108597624 A CN108597624 A CN 108597624A
Authority
CN
China
Prior art keywords
nuclear power
power station
support plate
liner
cooling equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201711302237.5A
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Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Lieutenant Technology Co Ltd
Original Assignee
Foshan Lieutenant Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Lieutenant Technology Co Ltd filed Critical Foshan Lieutenant Technology Co Ltd
Priority to CN201711302237.5A priority Critical patent/CN108597624A/en
Publication of CN108597624A publication Critical patent/CN108597624A/en
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/24—Promoting flow of the coolant
    • G21C15/243—Promoting flow of the coolant for liquids
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
    • G21C15/14—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices from headers; from joints in ducts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a kind of cooling equipment suitable for nuclear power station, including cooling tube, pumping chamber, rotating vane, motor, rotating disk, current velocity controller；The form of cooling tube spirally is around fuel rod to be cooled in nuclear power station, and cooling tube is for cooling down fuel rod；The coolant liquid that motor is used to be placed in by rotating vane pumping in pumping chamber and cooling tube；Current velocity controller in the rotating disk rotated together with rotating vane for applying frictional force, to control the rotating speed of rotating vane, to control the flow velocity of coolant liquid；Current velocity controller includes clip-like component, a pair of of liner, the support plate for supporting liner；Clip-like component has towards support plate four lug bosses outstanding；There are support plate four contact portions for being contacted with the lug boss of clip-like component, contact portion the front end face in lug boss is arranged.The present invention can control the flow velocity of the coolant liquid flowed in cooling tube.

Description

Cooling equipment suitable for nuclear power station
Technical field
The present invention relates to nuclear power station cooling technology field, more particularly to a kind of cooling equipment suitable for nuclear power station.
Background technology
Fuel rod in traditional nuclear power station is typically necessary to be cooled down using cooling device.
Traditional to carry out cooling cooling device to fuel rod include cooling tube, and coolant liquid is equipped in the cooling tube.It should Coolant liquid is with certain flow velocity in cooling Bottomhole pressure.
When the calorific value of fuel rod reduces, the coolant liquid in cooling tube no longer needs to keep higher flow rate.
Traditional technical solution can not reduce the flow velocity of coolant liquid.
Therefore, it is necessary to propose a kind of new technical solution, to solve the above technical problems.
Invention content
The purpose of the present invention is to provide a kind of cooling equipment suitable for nuclear power station, can control and be flowed in cooling tube Coolant liquid flow velocity.
To solve the above problems, technical scheme is as follows：
A kind of cooling equipment suitable for nuclear power station, the cooling equipment suitable for nuclear power station include cooling tube, pumping Chamber, rotating vane, motor, rotating disk, current velocity controller；The form of the cooling tube spirally is around the nuclear power Fuel rod to be cooled in standing, the cooling tube is for cooling down the fuel rod；The motor is used for by described Rotating vane pumping is placed in the coolant liquid in the pumping chamber and the cooling tube；The current velocity controller be used for Apply frictional force in the rotating disk that the rotating vane rotates together, to control the rotating speed of the rotating vane, to control Make the flow velocity of the coolant liquid；The current velocity controller includes clip-like component, a pair of of liner, the branch for supporting the liner Board；The clip-like component has towards the support plate four lug bosses outstanding；The support plate have for it is described The front end face in the lug boss is arranged in four contact portions of the lug boss contact of clip-like component, the contact portion.
Preferably, the lug boss is opposite with the side of the support plate, and the shape between the side of the support plate At the gap with preset space length.
Preferably, the current velocity controller further include a pair of of positioning pin and for the pressure by compressed air by institute State the pressing member that liner is pressed against in the rotating disk.
Preferably, positioning pin described in the gap-ratio between the lug boss and the side of the support plate and the branch Fit tolerance between board is big.
Preferably, the positioning pin in the clip-like component for supporting the support plate.
Preferably, the liner when by the pressing force of the pressing member with the rotating disk for contacting.
Preferably, the liner has the backboard portion for being fixed to the support plate and is revolved against together with the rotating vane The friction member of the rotating disk turned.
Preferably, the friction member is fixed on the surface of the backboard portion.
Preferably, the liner by by between the friction member and the rotating disk abutting generate frictional force come Control the rotating speed of the rotating vane.
Preferably, the support plate has the dovetail groove for being formed and being engaged with the backboard portion of the liner along longitudinal direction.
Compared with the prior art, the present invention can control the flow velocity of the coolant liquid flowed in cooling tube.
Description of the drawings
Fig. 1 is the schematic diagram of the cooling equipment suitable for nuclear power station of the present invention.
Fig. 2 is that the position of the cooling tube and fuel rod to be cooled the cooling equipment suitable for nuclear power station of the present invention is closed The schematic diagram of system.
Specific implementation mode
It is the schematic diagram of the cooling equipment suitable for nuclear power station of the present invention with reference to figure 1 and Fig. 2, Fig. 1, Fig. 2 is the present invention The cooling equipment suitable for nuclear power station cooling tube and fuel rod to be cooled position relationship schematic diagram.
The present invention the cooling equipment suitable for nuclear power station include cooling tube 101, pumping chamber 102, rotating vane 103, Motor 104, rotating disk 105, current velocity controller 106.The form of the cooling tube spirally waits for cold in nuclear power station But fuel rod 201, the cooling tube is for cooling down the fuel rod.
The pumping chamber includes the first opening and the second opening, the both ends of the cooling tube respectively with the institute of pumping chamber State the first opening and the second opening connection.
The rotating vane and one end of the rotary shaft of the motor are mutually fixed, and the rotating vane is used for around the rotation Shaft rotates, and the rotating vane is set in the pumping chamber.The motor by the rotating vane for being pumped The coolant liquid being placed in the pumping chamber and the cooling tube.The coolant liquid is water.
The rotating disk includes centre bore, and the rotary shaft passes through the centre bore and mutually fixed with the rotating disk.
Since rotating disk and rotating vane are fixed with rotary shaft, rotating disk is integrally rotated with rotating vane.
Current velocity controller in the rotating disk rotated together with rotating vane for applying frictional force, to control the rotation The rotating speed of rotating vane piece, to control the flow velocity of the coolant liquid.
The current velocity controller includes braced frame, is supported via braced frame clip-like component, liner, for supporting The support plate of liner, a pair are used to support the positioning pin of support plate in clip-like component and for the pressure by compressed air Liner is pressed against pressing member on the rotating pan.
Current velocity controller is used to keep rotating disk from the both sides of rotating disk by a pair of of liner, passes through rotating disk and liner Between frictional force control rotating vane rotating speed.
Clip-like component includes the first clamp arm and the second clamp arm, and the first clamp arm and the second clamp arm are prolonged in a manner of across rotating disk It stretches, clip-like component further includes the cradle portion for connecting the yoke portion of the first clamp arm and the second clamp arm and being used to support the support of clip-like component Point.
The current velocity controller further includes the first sliding pin and the second sliding pin.Clip-like component is used for through the first sliding Pin and the second sliding pin are slided relative to braced frame.
First sliding pin and the second sliding pin are disposed through the state of braced frame.First sliding pin and the second sliding pin Two ends be connected respectively to the holder part of clip-like component.Clip-like component is supported frame support so that the first sliding pin It is axially relative to move each other with the second sliding pin.The exposed portion of first sliding pin and the second sliding pin is covered by rubber sleeve Lid.
Clip-like component has towards support plate four lug bosses outstanding.Lug boss is arranged on clip-like component, is supporting Lug boss there are two being set on the clip-like component of two end side of length direction of plate.
Support plate has four contact portions for being contacted with the lug boss of clip-like component.Contact portion is arranged in protrusion The front end face in portion, so that each lug boss can contact.
When support plate moves backward, lug boss contacts the contact portion of support plate.
Lug boss is opposite with the side of support plate, and is formed with between preset space length between the side of support plate Gap.When the positioning pin of the lower part of support plate is removed and support plate is supported and rotated by top positioning pin, support plate and branch The side surface of board contacts.At this point, lug boss is for limiting rotation of the support plate relative to clip-like component.
Gap-ratio positioning pin between lug boss and the side of support plate and the fit tolerance between support plate are big.In protrusion In the case that portion is abutted with the side of support plate, there are gaps between the diaphragm of pressing member and aftermentioned cylinder main body.
Lug boss and clip-like component integrally casting shaping, alternatively, lug boss is formed separately with clip-like component and lug boss It is bolted clip-like component.In addition, part or all of the front end of lug boss can be by rubber elastomeric material shape At.It in this case, can be with shock absorbing when support plate is retracted and lug boss is contacted with contact portion.
Liner in the pressing force of depressed component with rotating disk for contacting.Liner has the back of the body fixed to support plate Plate portion and friction member against the rotating disk rotated together with rotating vane.Friction member is fixed on the surface of backboard portion. Liner controls the rotating speed of rotating vane by the frictional force generated by the abutting between friction member and rotating disk.
Support plate has the dovetail groove for being formed and being engaged with the backboard portion of liner along longitudinal direction.Positioned at the length direction of support plate On both ends be supported on clip-like component by a pair of of positioning pin.
Contact portion is formed as from the laterally projecting of the main body of support plate.The front end of lug boss with contact portion for supporting It connects, the side of lug boss with the main body of support plate for abutting.
Clip-like component have configuration both ends in the longitudinal direction a pair of of adjuster and configuration a pair of of adjuster it Between pressing member.
Adjuster is for adjusting initial position of the liner relative to rotating disk.A pair of of adjuster is solid by fixing bolt respectively It is scheduled on the upper and lower end of clip-like component.
Adjuster include the liner clamp being fixed on clip-like component by fixing bolt, relative to liner clamp move forward and backward with By positioning pin that liner is supported on clip-like component, for pushing liner to leave the resetting spring of rotating disk and for adjusting liner The lash adjustment member in the gap between rotating disk.
Positioning pin is set as cylindrical shape.Positioning pin has the flange part for engaging with support plate.The bottom of positioning pin It is protruded from liner clamp, and flange part is assembled to the both ends of support plate to support liner.
When liner is close to rotating disk, positioning pin by the support plate shifted together with liner from liner clamp for being extracted out And it is axially moveable.When liner and rotating disk sliding contact, positioning pin so that liner resists rotating disk for promoting liner to exist The active force moved on circumferencial direction.
Resetting spring and lash adjustment member are contained in the inner circumferential of positioning pin.Inner circumferential of the positioning pin near open end It is upper that there is plain washer.When being slided in positioning pin, the slipper being externally exposed is covered by rubber boot.
Resetting spring is compressed and is inserted into the inner circumferential of positioning pin.Resetting spring for pushing back liner so that liner with Rotating disk separates.
The recovery amount of liner is adjusted to predetermined amount by lash adjustment member by the active force of resetting spring.Gap adjusts Component has the fixed pin being fixed on liner clamp, the handle being arranged in a manner of being axially moveable relative to fixed pin and phase The lantern ring being axially moveable for fixed pin.
Positioning pin for being moved with the movement of support plate, and for plain washer against and press the platform of lantern ring Rank portion, at this point, handle is for being axially moveable.Handle is additionally operable to grip the outer of pin by the active force of resetting spring Week.The handle moved along the direction that positioning pin moves will not be returned due to the bias force of resetting spring.
In the case where the abrasion of liner is smaller, the path increment of positioning pin is smaller.Therefore, when positioning pin moves, plain cushion Circle is not contacted with the stage portion of lantern ring.
In the case where the abrasion of liner is larger, the path increment of positioning pin is larger, when positioning pin moves, plain washer against Stage portion and press lantern ring.Plain washer is dragged together with lantern ring and moving handle.Positioning pin is returned only to the movement with lantern ring Measure the position of identical amount.
Pressing member includes the cylinder body for being formed in clip-like component, the piston for retreating relative to cylinder body.Via support plate Liner is pushed, piston forms balancing gate pit for being abutted with the back side of clip-like component in clip-like component, and pressing member passes through tune The indoor air pressure of seamless power makes diaphragm deflection, so that piston is moved forward and backward relative to cylinder body by the deformation of diaphragm.Pressing member is logical It crosses the piston extracted out from cylinder body and pushes liner on the rotating pan via support plate.
Cylinder body has for guiding the cylinder main body of piston back-and-forth motion, diaphragm, plate-shaped member.
Cylinder main body is formed as oval tubular, is surrounded around piston with ring-type.It is provided with and piston in the inner circumferential of cylinder main body Peripheral surface sliding contact and prevent the dustband of dust.
Plate-shaped member is formed as elliptical shape corresponding with cylinder main body.Plate-shaped member is fixed on cylinder main body by multiple bolts End face on.The inner surface of plate-shaped member constitutes the inner wall of balancing gate pit.Plate-shaped member and cylinder main body are integrally formed.
Diaphragm is used for flexible deformation by pressure indoor pressure, so that piston moves.Diaphragm is outermost with being formed in The peripheral part in week, is formed in the press section of most inner circumferential, and the bellows section being formed continuously between peripheral part and press section.
Peripheral part is clamped and fixed between cylinder main body and plate-shaped member.Peripheral part is used to be sealed balancing gate pit, with Keep the air-tightness of balancing gate pit.
Bellows section is located between the inner peripheral surface and the peripheral surface of piston of cylinder main body.When the pressure of balancing gate pit rises, Bellows section is used to expand from folded state and be deformed into extended configuration, and when the pressure of balancing gate pit declines, bellows Part is for returning to folded state.That is, bellows section by being supplied to the air pressure of balancing gate pit for being deformed into Folded state or extended configuration.
Press section and piston contact, and the bellows section expansion folded, thus piston is in exporter's upward displacement.When When press section shifts, piston is pressed and is moved in cylinder body.
Balancing gate pit is limited to the inside of cylinder body by diaphragm and plate-shaped member.Balancing gate pit be used for its volume expansion and It shrinks and is moved forward and backward.Balancing gate pit is provided with through-hole.For making the compressed air of diaphragm deflection pass through through-hole from external pressure source Input.
Rear surface of the piston against support plate.Piston is maintained at by diaphragm in cylinder body.Piston, which has, to be contacted with support plate Press surface and it is formed in the opposite side of press surface and the back side with membrane contacts.Piston is for the diaphragm by being abutted with the back side It deforms and retreats in cylinder body.
Pressing member includes piston plate, and piston plate is slidably supported on positioning pin.
Piston plate is arranged in parallel with support plate.Piston plate is with piston for shifting and being parallel to support plate movement together.It is living Seben is integrally formed with piston, alternatively, piston plate can be formed separately with piston, and piston is fixed to piston plate.
There is piston plate pair of sliding hole, positioning pin to be inserted into the sliding eye at two longitudinal ends.Piston plate with insert Enter the positioning pin engaging into sliding eye, and is arranged along the state in axial sliding of positioning pin.Piston plate is used for by making The sliding eye at both ends engages the position to limit piston in cylinder body with positioning pin.
When the flow velocity to coolant liquid controls, the compressed air supplied from external pressure source is admitted to pressure via through-hole Power room, makes diaphragm deflection.Also, the bellows section of diaphragm expands, and press section is for making piston be slided towards rotating disk.
The press section of diaphragm presses liner on the rotating pan via piston.When the liner pressed by diaphragm is resisted against rotation On disk and when generating frictional force, the spin down of rotating vane.
The indoor compressed air of pressure is discharged from through-hole, before the rotating speed of control rotating disk, the bellows section of diaphragm Revert to collapsed shape.
Lash adjustment member is for so that rotating disk and liner keep predetermined space.Therefore, rotating vane can not be flowed The influence of velocity control device and rotate.
Liner is inserted into the dovetail groove of support plate.Two ends of liner are engaged with positioning pin respectively, go out branch to prevent on-slip Board.
When the wear extent of the friction member of liner is greater than or equal to predetermined value, lash adjustment member is for so that support plate Distance corresponding with the wear extent of friction member is moved towards rotating disk.When needing replacing new liner, lash adjustment member For support plate to be pushed back to initial position.At this point, lug boss is abutted with contact portion, between existing between diaphragm and plate-shaped member Gap.
In the state that piston is retracted and diaphragm is clamped, piston will not be collided with plate-shaped member.Accordingly it is possible to prevent not conforming to The force effect of reason is on the mechanical part of current velocity controller, so as to improve safety when more renewal of facing.
Through the above technical solutions, the present invention can control the flow velocity of the coolant liquid flowed in cooling tube.
In conclusion although the present invention is disclosed above with preferred embodiment, above preferred embodiment is not to limit The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention Decorations, therefore protection scope of the present invention is subject to the range that claim defines.

Claims (10)

1. a kind of cooling equipment suitable for nuclear power station, which is characterized in that the cooling equipment suitable for nuclear power station includes cold But pipe, pumping chamber, rotating vane, motor, rotating disk, current velocity controller；
The form of the cooling tube spirally is used for around fuel rod to be cooled in the nuclear power station, the cooling tube to institute Fuel rod is stated to be cooled down；
The cooling that the motor is used to be placed in by rotating vane pumping in the pumping chamber and the cooling tube Liquid；
The current velocity controller in the rotating disk rotated together with the rotating vane for applying frictional force, with control The rotating speed for making the rotating vane, to control the flow velocity of the coolant liquid；
The current velocity controller includes clip-like component, a pair of of liner, the support plate for supporting the liner；
The clip-like component has towards the support plate four lug bosses outstanding；
The support plate has four contact portions for being contacted with the lug boss of the clip-like component, the contact site Set up the front end face set in the lug boss separately.
2. the cooling equipment according to claim 1 suitable for nuclear power station, which is characterized in that the lug boss and the branch The side of board is opposite, and the gap with preset space length is formed between the side of the support plate.
3. the cooling equipment according to claim 1 suitable for nuclear power station, which is characterized in that the current velocity controller is also The pressing structure being pressed against including a pair of of positioning pin and for the pressure by compressed air by the liner in the rotating disk Part.
4. the cooling equipment according to claim 3 suitable for nuclear power station, which is characterized in that the lug boss and the branch Fit tolerance described in the gap-ratio between the side of board between positioning pin and the support plate is big.
5. the cooling equipment according to claim 3 suitable for nuclear power station, which is characterized in that the positioning pin is used in institute State the bearing support plate in clip-like component.
6. the cooling equipment according to claim 3 suitable for nuclear power station, which is characterized in that the liner be used for by It is contacted with the rotating disk when pressing force of the pressing member.
7. the cooling equipment according to claim 1 suitable for nuclear power station, which is characterized in that the liner, which has, to be fixed to The backboard portion of the support plate and friction member against the rotating disk rotated together with the rotating vane.
8. the cooling equipment according to claim 7 suitable for nuclear power station, which is characterized in that the friction member is fixed on On the surface of the backboard portion.
9. the cooling equipment according to claim 7 suitable for nuclear power station, which is characterized in that the liner passes through by described The frictional force that abutting between friction member and the rotating disk generates controls the rotating speed of the rotating vane.
10. the cooling equipment according to claim 7 suitable for nuclear power station, which is characterized in that the support plate has edge The dovetail groove for being longitudinally formed and being engaged with the backboard portion of the liner.
CN201711302237.5A 2017-12-10 2017-12-10 Cooling equipment suitable for nuclear power station Withdrawn CN108597624A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711302237.5A CN108597624A (en) 2017-12-10 2017-12-10 Cooling equipment suitable for nuclear power station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711302237.5A CN108597624A (en) 2017-12-10 2017-12-10 Cooling equipment suitable for nuclear power station

Publications (1)

Publication Number Publication Date
CN108597624A true CN108597624A (en) 2018-09-28

Family

ID=63633089

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711302237.5A Withdrawn CN108597624A (en) 2017-12-10 2017-12-10 Cooling equipment suitable for nuclear power station

Country Status (1)

Country Link
CN (1) CN108597624A (en)

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Application publication date: 20180928

WW01 Invention patent application withdrawn after publication