CN104992731B - Baffle structure of high-temperature gas-cooled reactor primary-helium fan with active and passive characteristics - Google Patents

Baffle structure of high-temperature gas-cooled reactor primary-helium fan with active and passive characteristics Download PDF

Info

Publication number
CN104992731B
CN104992731B CN201510409138.1A CN201510409138A CN104992731B CN 104992731 B CN104992731 B CN 104992731B CN 201510409138 A CN201510409138 A CN 201510409138A CN 104992731 B CN104992731 B CN 104992731B
Authority
CN
China
Prior art keywords
rotating shaft
conical pipe
helium fan
electric device
key
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.)
Active
Application number
CN201510409138.1A
Other languages
Chinese (zh)
Other versions
CN104992731A (en
Inventor
张作义
王宏
王捷
张勤昭
彭威
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.)
Tsinghua University
Original Assignee
Tsinghua University
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 Tsinghua University filed Critical Tsinghua University
Priority to CN201510409138.1A priority Critical patent/CN104992731B/en
Publication of CN104992731A publication Critical patent/CN104992731A/en
Priority to US15/744,674 priority patent/US10943704B2/en
Priority to CA2992526A priority patent/CA2992526C/en
Priority to PCT/CN2016/089936 priority patent/WO2017008746A1/en
Priority to PL16823893T priority patent/PL3324415T3/en
Priority to HUE16823893A priority patent/HUE052303T2/en
Priority to JP2018501910A priority patent/JP6582120B2/en
Priority to EP16823893.9A priority patent/EP3324415B1/en
Application granted granted Critical
Publication of CN104992731B publication Critical patent/CN104992731B/en
Priority to SA518390743A priority patent/SA518390743B1/en
Priority to ZA2018/00978A priority patent/ZA201800978B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C9/00Emergency protection arrangements structurally associated with the reactor, e.g. safety valves provided with pressure equalisation devices
    • G21C9/02Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Landscapes

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

Abstract

The invention relates to the technical field of reactor engineering and particularly discloses a baffle structure of a high-temperature gas-cooled reactor primary-helium fan with active and passive characteristics. The baffle structure comprises a conical pipe, a rotary-opening type check non-return plate and an electric device, wherein the main body part of the rotary-opening type check non-return plate is positioned in the conical pipe, and the electric device is arranged at the outer part of the conical pipe; in addition, a special connecting structure is designed for connecting the rotary-opening type non-return plate and the electric device and is specifically characterized in that a key is arranged on a rotary shaft, and a ring-shaped key groove is correspondingly arranged in a shaft sleeve, so that the shaft sleeve has an idle stroke for carrying out 90-degree free rotation around the rotary shaft; according to the different positions of the key in the ring-shaped key groove, the primary-helium fan baffle not only has the passive characteristic of realizing opening and closing by gravity and gas pressure, but also has the active characteristic for realizing opening and closing by the electric device, so that the requirement for multiple working conditions of the high-temperature gas-cooled reactor can be met.

Description

Have the active HTGR Helium fan baffle arrangement with passive feature concurrently
Technical field
The present invention relates to reactor engineering technical field, more particularly to a kind of to have the active High Temperature Gas with passive feature concurrently Cold dome Helium fan baffle arrangement.
Background technology
HTGR be with graphite as moderator, high-temperature reactor of the helium as coolant, be a kind of inherent safety Good, generating efficiency is high, the advanced nuclear reactor that purposes is extremely wide.HTGR Nuclear Power Plant primary Ioops population structure such as Fig. 1 It is shown, including reactor pressure vessel 1 ' and boiler pressure container 5 ', connected using hot gas conduit 3 ' therebetween.Reactor Reactor core is by helium gas cooling.HTGR drives helium gas cooling agent in reactor-loop inner loop stream by Helium fan It is dynamic.Helium fan 4 ' is vertical, installed in the surface of boiler pressure container 5 '.
As seen from Figure 1, Helium fan 4 ' is connected in primary Ioops with reactor core.In order to prevent reactor Heap in-core is up to 750 DEG C of high-temperature heat flux flowing naturally occurs reversely under breakdown operating mode, should in Helium fan import or Outlet arranges baffle plate, plays and stops and buffer action.Otherwise up to 750 DEG C of high-temperature heat flux can flow through hot gas conduit outer wall etc. and set Primary Ioops border of the meter temperature less than 750 DEG C, causes primary Ioops pressure boundary to destroy, and has a strong impact on the safety of reactor.Separately Outward, there is a kind of low flow rate condition in HTGR, it is desirable to have low discharge helium is reversely (with the helium under Helium fan nominal situation Flow of air is in opposite direction) flow through Helium fan.Now Helium fan baffle plate should be at small guide vane state, to ensure certain air-flow Speed.
For, baffle arrangement selection similar non-return consistent with the non-passive safety characteristic that HTGR Nuclear Power Plant has The clapper structure of valve.Generally hyoplastron is opened and closed by helium pressure and hyoplastron gravity, realize the one-way flow of helium.Separately Outward, the air inlet of HTGR Helium fan and outgassing direction vertically, so selecting the simplest swing type non-return of structure Plate.Further, in order to " multiformity " that meet nuclear power design is required, electric device is selected to drive the hyoplastron of swing type check plate, Realize active keying hyoplastron when swing type check plate passive characteristic fails so that Helium fan baffle plate have simultaneously it is active with Passive feature;In addition, under low flow rate condition, it is necessary to open hyoplastron by electric device.
For the swing type check plate that electric device drives, the technological difficulties of most critical are that design electric device is opened with rotation The concrete attachment structure of formula check plate, allows active to switch mutually with passive two kinds of features.Have no electronic in existing document Device drives the relevant report of swing type check plate, no to use for reference data.
The content of the invention
For the problem for overcoming above-mentioned prior art to exist, the technical problem to be solved in the present invention is to provide one kind and has energy concurrently The dynamic HTGR Helium fan baffle arrangement with passive feature.
In order to solve above-mentioned technical problem, the present invention is adopted the following technical scheme that:
It is a kind of to have the active HTGR Helium fan baffle arrangement with passive feature concurrently, including conical pipe 1, rotation open Formula check plate and electric device 8, it is characterised in that:
The swing type check plate includes hyoplastron 2, curved arm rod 3 and rotating shaft 4;The one end of the curved arm rod 3 and the tongue Plate 2 is connected by nut, and the other end is welded on the axle sleeve 13 of rotating shaft 4;
The tube wall of the conical pipe 1 has a circular open, for placing the hyoplastron 2 and curved arm rod 3 that are shown in a fully open operation; One section of circular arm 16 is welded at the circular open, the axis of circular arm 16 is vertical with the axis of conical pipe 1;The circle The end of arm 16 be flange arrangement, bolt connection conical pipe side cover plate 10;
The hyoplastron 2 of the swing type check plate, curved arm rod 3 and part rotating shaft are arranged in conical pipe 1;The electronic dress Put 8 to be arranged in outside conical pipe 1;
Carried out by rotating shaft 4, bevel gear 7 and electric device connecting shaft 9 between the swing type check plate and electric device 8 Connection;The one end of the rotating shaft 4 connects swing type check plate, other end connection bevel gear 7;Described one end of electric device connecting shaft 9 Connection bevel gear 7, other end connection electric device 8.
Also include the special construction that electric device 8 is connected with swing type check plate, specially:
Key 14 is installed in the rotating shaft 4 being connected with the curved arm rod 3, to there is ring in the axle sleeve 13 of rotating shaft 4 Shape keyway 15 so that axle sleeve 13 has 4 carries out 90 degree of idle strokes for freely rotating around the shaft, and the key 14 is in the annular keyway In 15.
Further, the rotating shaft 4 is arranged in the heavy in section end of the conical pipe 1.
Further, the lower weld bracing frame 6 of the outside wall surface of the conical pipe 1, rotating shaft 4, for supporting rotating shaft 4.
Further, the axis with rotating shaft 4 is as reference direction, the radial direction of the radial height of the annular keyway 15 than key 14 Highly high 0.1-0.3mm, between 90 ° to 100 °, the axial length of annular keyway 15 compares key to the circumferential angle [alpha] of annular keyway 15 The 14 long 0.1-0.3mm of axial length.
Further, the annular keyway 15 and the key 14 are gap cooperation.
Further, the internal face of the circular arm 16 of the conical pipe 1 is welded with the standard-sized sheet position close to the tube wall of conical pipe 1 Annular sealing surface 11 is put, when Helium fan baffle plate standard-sized sheet, hyoplastron 2 is contacted with fully open position annular sealing surface 11.
Further, closed positions ring packing is arranged at the heavy in section end of the conical pipe 1 at the tube wall of conical pipe Face 12, when Helium fan baffle plate is fully closed, hyoplastron 2 is contacted with closed positions annular sealing surface 12.
Further, when playing passive characteristic closing or opening Helium fan baffle plate, from the side parallel to the axis of rotating shaft 4 To seeing, key 14 is all the time in the surface of rotating shaft 4.
Further, under low flow rate condition, play electric device 8 and drive the energy dynamic characteristic of the motion of hyoplastron 2 to close or beat After opening Helium fan baffle plate, it is both needed to rotate the opposite direction of rotating shaft 4 by electric device 8, makes the negative side in annular keyway 15 of key 14 It is to open or close Helium fan baffle plate next time to prepare till the surface in rotating shaft 4 to rotation.
Further, when passive characteristic fails, it is necessary to play the energy dynamic characteristic that electric device 8 drives the operation of hyoplastron 2 Close or open Helium fan baffle plate.
Further, in order to realize the small guide vane state of Helium fan baffle plate, from terms of the direction of paper, it is necessary to according to By the dextrorotation turn key 14 of electric device 8 to required angle, the clockwise side of key 14 is made close to the up time of annular keyway 15 The side in pin direction.
Compared to the prior art compared with simultaneously the HTGR Helium fan baffle arrangement that the present invention is provided has passive With active feature, the requirement of HTGR various working can be met.
Description of the drawings
Fig. 1 is prior art HTGR Nuclear Power Plant primary Ioops general structure schematic diagram.
Fig. 2 has the active HTGR Helium fan baffle arrangement figure with passive feature concurrently for the embodiment of the present invention.
A-A profiles when Fig. 3 is embodiment of the present invention Helium fan baffle plate standard-sized sheet.
Concrete attachment structure enlarged drawing at rotating shaft when Fig. 4 is embodiment of the present invention Helium fan baffle plate standard-sized sheet.
Fig. 5 is A-A profiles when embodiment of the present invention Helium fan baffle plate is fully closed.
Fig. 6 be embodiment of the present invention Helium fan baffle plate it is fully closed when rotating shaft at concrete attachment structure enlarged drawing.
Wherein:1st, conical pipe;2nd, hyoplastron;3rd, curved arm rod;4th, rotating shaft;5th, rotating shaft end cap;6th, bracing frame;7th, bevel gear; 8th, electric device;9th, electric device connecting shaft;10th, conical pipe side cover plate;11st, fully open position annular sealing surface;12nd, closed positions Annular sealing surface;13rd, axle sleeve;14th, key;15th, annular keyway;16th, circular arm.
Specific embodiment
The specific embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.Following examples For illustrating the present invention, but it is not limited to the scope of the present invention.
As shown in Fig. 2 HTGR Helium fan baffle arrangement provided in an embodiment of the present invention, enters positioned at Helium fan At mouthful, including conical pipe 1, swing type check plate and the part of electric device 8 three.Wherein, conical pipe 1 is before Helium fan impeller Inlet pipeline, small bore is adjacent to Helium fan impeller.Swing type check plate includes:Hyoplastron 2, curved arm rod 3 and rotating shaft 4.Crank arm The one end of connecting rod 3 is connected with hyoplastron 2 by nut, and the other end is welded on axle sleeve 13.Rotating shaft 4 is arranged in the big of neighbouring conical pipe 1 At section.The hyoplastron 2 of swing type check plate, curved arm rod 3 and part rotating shaft 4 are arranged in conical pipe 1.Swing type check plate with It is attached by rotating shaft 4, bevel gear 7 and electric device connecting shaft 9 between electric device 8.The one end of rotating shaft 4 connection swing type stops Return plate, other end connection bevel gear 7;The one end of electric device connecting shaft 9 connects bevel gear 7, other end connection electric device 8.Turn Axle 4 plays interconnection function with electric device connecting shaft 9, and bevel gear 7 plays the effect turned to transmitting torque.The cloth of electric device 8 Put in the outside of conical pipe 1, as needed choice arrangement place.In order to support rotating shaft 4, in the outside wall surface of conical pipe 1, the bottom of rotating shaft 4 Welding bracing frame 6.
In order that the characteristics of Helium fan baffle plate has active and passive simultaneously, specially devise a set of special concrete Attachment structure:As shown in Figure 4 and Figure 6, the installation key 14 at the rotating shaft 4 being connected with curved arm rod 3, in axle sleeve 13 near rotating shaft 4 inner surface digs out an annular keyway 15 so that axle sleeve 13 has 4 carries out 90 degree of idle strokes for freely rotating around the shaft.Key 14 In annular keyway 15, key 14 is gap cooperation with annular keyway 15.Axis with rotating shaft 4 as reference direction, annular keyway 15 radial height 0.1-0.3mm higher than the radial height of key 14, the circumferential angle [alpha] of annular keyway 15 between 90 ° to 100 °, The axial length of annular keyway 15 0.1-0.3mm longer than the axial length of key 14 or so.
Section A-A sectional view during the present embodiment Helium fan baffle plate standard-sized sheet is as shown in Figure 3.As seen from the figure, conical pipe 1 Tube wall has a circular open, for placing hyoplastron 2 and curved arm rod 3 during standard-sized sheet.One section of circular arm 16, circle are welded at opening The axis of shape arm 16 is vertical with the axis of conical pipe 1, the end of circular arm 16 be flange arrangement, bolt connection conical pipe side cover plate 10, sealing function is played, prevent dust etc. from entering inside Helium fan.The internal face of circular arm 16 welding fully open position annular is close Front cover 11, close to the tube wall of conical pipe 1.When Helium fan baffle plate standard-sized sheet, hyoplastron 2 is with curved arm rod 3 parallel to conical pipe 1 Tube wall, hyoplastron 2 is contacted with fully open position annular sealing surface 11.
Section A-A sectional view when the present embodiment Helium fan baffle plate is fully closed is as shown in Figure 5.As seen from the figure, conical pipe 1 Heavy in section is Helium fan import, and closed positions annular sealing surface 12 is arranged in import at the tube wall of conical pipe 1.Work as Helium fan When baffle plate is fully closed, perpendicular to the axis of conical pipe 1, hyoplastron 2 connects with closed positions annular sealing surface 12 for hyoplastron 2 and curved arm rod 3 Touch, close Helium fan import.
The operation principle and operation order of Helium fan baffle plate are as follows in the present embodiment:
Generally, Helium fan baffle plate realize opening by helium pressure and hyoplastron 2 and the gravity of curved arm rod 3 and Close, i.e., mainly play the passive characteristic of Helium fan baffle plate.When helium reverse flow, i.e. helium flow direction and gravity direction When consistent, or helium pressure less than hyoplastron 2 and curved arm rod 3 gravity when, hyoplastron 2 is 4 inverse around the shaft under gravity Hour hands rotate (with reference to perpendicular to the direction of paper, same as below), until contacting with closed positions annular sealing surface 12, closing cone The import of shape pipe 1, realizes closing Helium fan baffle plate.When helium forward flow, i.e. helium flow direction is contrary with gravity direction When, and helium pressure more than hyoplastron 2 and curved arm rod 3 gravity when, hyoplastron 2 is 4 clockwise around the shaft under the effect of the pressure Rotate, until contacting with fully open position annular sealing surface 11, parallel to the tube wall of conical pipe 1, the import of conical pipe 1 is clog-free, it is real Now open Helium fan baffle plate.
When opening and closing Helium fan baffle plate by passive characteristic, because rotating shaft 4 and annular keyway 15 are gap cooperation, hyoplastron Rotating shaft 4 during 2 rotation is maintained static with key 14, and is simply rotated with axle sleeve 13.In the process, key 14 is always positioned at rotating shaft 4 position directly above.When Helium fan baffle plate is closed, the clockwise side of key 14 is close to annular keyway 15 Clockwise side;When Helium fan baffle plate is in open mode, the anticlockwise side of key 14 is close to annular key The anticlockwise side of groove 15.
When helium flow direction remains in that fails for forward direction, and passive characteristic, it is necessary to play Helium fan baffle plate Energy dynamic characteristic, by electric device 8 drive hyoplastron 2 move, realize the on an off of Helium fan baffle plate.In order to close main helium wind Machine baffle, the rotate counterclockwise of 8 drive shaft of electric device 4, due to the anticlockwise side of key 14 it is inverse close to annular keyway 15 Conterclockwise side, key 14 drive the rotate counterclockwise of axle sleeve 13, and then drive the rotate counterclockwise of hyoplastron 2, until hyoplastron 2 with it is complete Off position annular sealing surface 12 is contacted.Equally, in order to open Helium fan baffle plate, the dextrorotation of 8 drive shaft of electric device 4 Turn, key 14 drive axle sleeve 13 turn clockwise, and then drive hyoplastron 2 turn clockwise, until hyoplastron 2 it is close with fully open position annular Front cover 11 is contacted, and opens Helium fan baffle plate.
After closing Helium fan baffle plate, rotating shaft 4 is turned clockwise by electric device 8, make key 14 in annular keyway 15 Inside rotate clockwise, rotating shaft axle sleeve 13 is motionless, until key 14 is reset to the position directly above of rotating shaft 4, key 14 is clockwise Side, close to the clockwise side of rotating shaft idle stroke 15, is to open Helium fan baffle plate next time to prepare.
After opening Helium fan baffle plate, by electric device 8 by the rotate counterclockwise of rotating shaft 4, key 14 is made in annular keyway 15 Inside rotate counterclockwise, axle sleeve 13 is motionless, until key 14 is reset to the position directly above of rotating shaft 4, the anticlockwise side of key 14 It is to close Helium fan baffle plate next time to prepare close to the anticlockwise side of annular dead slot 15.
In a word, by can dynamic characteristic close or open after Helium fan baffle plate, be both needed to the edge of key 14 by electric device 8 The opposite direction of Helium fan baffle plate motion is rotated, and makes key 14 reset, and is to open or close Helium fan baffle plate next time to prepare.
Under low flow rate condition, helium flow direction is reverse, the gravity direction of helium pressure and hyoplastron 2 and curved arm rod 3 Unanimously, now Helium fan baffle plate passive characteristic failure, it is also necessary to the energy dynamic characteristic of Helium fan baffle plate is played, by electronic Device 8 drives hyoplastron 2 to move to a certain centre position, realizes the small guide vane state of Helium fan baffle plate.
When Helium fan baffle plate initial conditions are in open mode, as shown in Figure 3 and Figure 4, by electric device 8 by key 14 are rotated clockwise to required angle, and hyoplastron 2 will be inverse in the presence of helium pressure and hyoplastron 2 with the gravity of curved arm rod 3 Hour hands rotate, until the clockwise side of key 14 is close to the clockwise side of annular keyway 15, so as to by main helium wind Machine baffle is maintained at required small guide vane position.
When Helium fan baffle plate initial conditions are closed, as shown in Figure 5 and Figure 6, by electric device 8 by key 14 are rotated clockwise to required angle, due to the clockwise side of key 14 it is clockwise close to annular keyway 15 Side, will drive hyoplastron 2 to be rotated clockwise to required angle, so as to Helium fan baffle plate is maintained at into required small guide vane position.
In a word, in order to realize the small guide vane state of Helium fan baffle plate, it is necessary to by the dextrorotation turn key 14 of electric device 8 To required angle, the clockwise side of key 14 is made close to the clockwise side of annular keyway 15.
Under accident conditions, such as foreign body is entered between axle sleeve 13 and rotating shaft 4, both are stuck, it is necessary to synchronization action, non-energy Dynamic characteristic fails.Energy dynamic characteristic must be now played, i.e., is revolved together by the drive shaft 4 of electric device 8, axle sleeve 13 and key 14 Turn, so as to open or close Helium fan baffle plate.
The HTGR Helium fan baffle plate that the present invention is provided, simple structure, operate safe ready, is provided simultaneously with It is passive with active feature, the requirement of HTGR various working can be met.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the common of technical field Technical staff, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore all The technical scheme of equivalent falls within scope of the invention, and the scope of patent protection of the present invention should be defined by the claims.

Claims (8)

1. it is a kind of to have the active HTGR Helium fan baffle arrangement with passive feature concurrently, including conical pipe (1), rotation are opened Formula check plate and electric device (8), it is characterised in that:
The swing type check plate includes hyoplastron (2), curved arm rod (3) and rotating shaft (4);Described curved arm rod (3) one end and institute State hyoplastron (2) to connect by nut, the other end is welded on the axle sleeve of rotating shaft (4) (13);
The tube wall of the conical pipe (1) has a circular open, for placing the hyoplastron (2) and curved arm rod that are shown in a fully open operation (3);One section of circular arm (16) is welded at the circular open, the axis of circular arm (16) hangs down with the axis of conical pipe (1) Directly;Circular arm (16) end be flange arrangement, bolt connection conical pipe side cover plate (10);
The hyoplastron (2) of the swing type check plate, curved arm rod (3) and part rotating shaft are arranged in conical pipe (1);It is described electronic Device (8) is arranged in conical pipe (1) outward;
Pass through rotating shaft (4), bevel gear (7) and electric device connecting shaft (9) between the swing type check plate and electric device (8) It is attached;Described rotating shaft (4) one end connects swing type check plate, other end connection bevel gear (7);The electric device connection Axle (9) one end connection bevel gear (7), other end connection electric device (8);
Also include the special construction that electric device (8) is connected with swing type check plate, specially:
Key (14) is installed in the rotating shaft (4) being connected with the curved arm rod (3), it is right in the axle sleeve (13) of rotating shaft (4) There should be annular keyway (15) so that axle sleeve (13) there are (4) around the shaft to carry out 90 degree of idle strokes for freely rotating, key (14) place In the annular keyway (15);
Axis with rotating shaft (4) is as reference direction, and the radial height of the annular keyway (15) is higher than the radial height of key (14) 0.1-0.3mm, between 90 ° to 100 °, the axial length of annular keyway (15) compares key to the circumferential angle [alpha] of annular keyway (15) (14) the long 0.1-0.3mm of axial length;
The annular keyway (15) is gap cooperation with the key (14).
2. it is according to claim 1 to have the active HTGR Helium fan baffle arrangement with passive feature concurrently, its It is characterised by:The rotating shaft (4) is arranged in the heavy in section end of the conical pipe (1).
3. it is according to claim 1 to have the active HTGR Helium fan baffle arrangement with passive feature concurrently, its It is characterised by:The outside wall surface of the conical pipe (1), the lower weld bracing frame (6) of rotating shaft (4), for supporting rotating shaft (4).
4. it is according to claim 1 to have the active HTGR Helium fan baffle arrangement with passive feature concurrently, its It is characterised by:The internal face of the circular arm (16) of the conical pipe (1) is welded with the fully open position close to conical pipe (1) tube wall Annular sealing surface (11), when Helium fan baffle plate standard-sized sheet, hyoplastron (2) is contacted with fully open position annular sealing surface (11).
5. it is according to claim 1 to have the active HTGR Helium fan baffle arrangement with passive feature concurrently, its It is characterised by:Closed positions annular sealing surface (12) is arranged at the heavy in section end of the conical pipe (1) at the tube wall of conical pipe, When Helium fan baffle plate is fully closed, hyoplastron (2) is contacted with closed positions annular sealing surface (12).
6. it is according to claim 1 to have the active HTGR Helium fan baffle arrangement with passive feature concurrently, its It is characterised by:When playing passive characteristic closing or opening Helium fan baffle plate, from terms of the direction parallel to rotating shaft (4) axis, Key (14) is all the time in the surface of rotating shaft (4).
7. it is according to claim 1 to have the active HTGR Helium fan baffle arrangement with passive feature concurrently, its It is characterised by:Under low flow rate condition, play electric device (8) and drive the energy dynamic characteristic of hyoplastron (2) motion to close or open master After helium circulator baffle plate, it is both needed to rotate rotating shaft (4) opposite direction by electric device (8), makes key (14) interior in annular keyway (15) Opposite direction is rotated, and is to open or close Helium fan baffle plate next time to prepare till the surface in rotating shaft (4).
8. it is according to claim 1 to have the active HTGR Helium fan baffle arrangement with passive feature concurrently, its It is characterised by:In order to realize the small guide vane state of Helium fan baffle plate, from terms of the direction of paper, it is necessary to by electronic dress (8) dextrorotation turn key (14) is put to required angle, the clockwise side of key (14) is made close to annular keyway (15) up time The side in pin direction.
CN201510409138.1A 2015-07-13 2015-07-13 Baffle structure of high-temperature gas-cooled reactor primary-helium fan with active and passive characteristics Active CN104992731B (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
CN201510409138.1A CN104992731B (en) 2015-07-13 2015-07-13 Baffle structure of high-temperature gas-cooled reactor primary-helium fan with active and passive characteristics
CA2992526A CA2992526C (en) 2015-07-13 2016-07-13 Channel baffle structure
US15/744,674 US10943704B2 (en) 2015-07-13 2016-07-13 Baffle structure for channel
PCT/CN2016/089936 WO2017008746A1 (en) 2015-07-13 2016-07-13 Baffle structure for channel
PL16823893T PL3324415T3 (en) 2015-07-13 2016-07-13 Baffle structure for channel
HUE16823893A HUE052303T2 (en) 2015-07-13 2016-07-13 Baffle structure for channel
JP2018501910A JP6582120B2 (en) 2015-07-13 2016-07-13 Channel baffle structure
EP16823893.9A EP3324415B1 (en) 2015-07-13 2016-07-13 Baffle structure for channel
SA518390743A SA518390743B1 (en) 2015-07-13 2018-01-14 Channel baffle structure
ZA2018/00978A ZA201800978B (en) 2015-07-13 2018-02-13 Baffle structure for channel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510409138.1A CN104992731B (en) 2015-07-13 2015-07-13 Baffle structure of high-temperature gas-cooled reactor primary-helium fan with active and passive characteristics

Publications (2)

Publication Number Publication Date
CN104992731A CN104992731A (en) 2015-10-21
CN104992731B true CN104992731B (en) 2017-04-19

Family

ID=54304533

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510409138.1A Active CN104992731B (en) 2015-07-13 2015-07-13 Baffle structure of high-temperature gas-cooled reactor primary-helium fan with active and passive characteristics

Country Status (1)

Country Link
CN (1) CN104992731B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL3324415T3 (en) * 2015-07-13 2020-11-16 Tsinghua University Baffle structure for channel
CN114743702B (en) * 2022-04-19 2024-02-23 华能山东石岛湾核电有限公司 Method for debugging main helium fan of high-temperature gas cooled reactor nuclear power station
CN114607633B (en) * 2022-04-19 2023-10-10 华能山东石岛湾核电有限公司 Main helium fan monomer test method for high-temperature gas cooled reactor nuclear power station
CN115719655B (en) * 2022-11-21 2024-05-24 华能山东石岛湾核电有限公司 Device and method for high-temperature gas cooled reactor main helium fan baffle test

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60177296A (en) * 1984-02-24 1985-09-11 株式会社日立製作所 Fast breeder reactor
CN102221107A (en) * 2011-05-10 2011-10-19 清华大学 Separation type butterfly valve driving mechanism for high-temperature gas cooled reactor
CN103307320B (en) * 2013-06-18 2016-06-15 清华大学 A kind of non-active unidirectional segregaion valve, pipeline and pebble bed high temperature reactor
CN103500590B (en) * 2013-09-30 2015-10-28 清华大学 High temperature gas cooled reactor Helium fan connection structure for inlet
CN103486084B (en) * 2013-09-30 2015-08-19 清华大学 A kind of high temperature gas cooled reactor main helium fan volute structure
CN204791997U (en) * 2015-07-13 2015-11-18 清华大学 Novel main helium fan baffle structure is piled in high temperature air cooling

Also Published As

Publication number Publication date
CN104992731A (en) 2015-10-21

Similar Documents

Publication Publication Date Title
CN104992731B (en) Baffle structure of high-temperature gas-cooled reactor primary-helium fan with active and passive characteristics
WO2010038358A1 (en) Pressurized water nuclear power plant
CN102208217B (en) Sealing structure for maintenance of helium circulator of high temperature gas-cooled reactor
CN103065696A (en) Spent fuel dry-type storage device
CN109801719B (en) Double-pressure-vessel type integrated nuclear reactor structure
CN204791997U (en) Novel main helium fan baffle structure is piled in high temperature air cooling
CN103531256A (en) Pressurized water reactor prestressed concrete containment passive cooling system
CN113035383A (en) Reactor system with high inherent safety
JP6582120B2 (en) Channel baffle structure
CN103500590A (en) Connection structure for inlet of high-temperature gas cooled reactor main helium fan
JP2021535977A (en) Hydroelectric power generator with multi-stage series installation of turbine rotating body pipeline support type pipeline turbine and pipeline turbine
CN214752962U (en) Reactor system with high inherent safety
CN202512905U (en) Pebble bed type reactor added with nuclear fuel ball without shutdown
CN110864452A (en) Anti-downdraft smoke collecting hood for water heater
CN205638948U (en) Nuclear power station residual heat removal pump
CN211470912U (en) Ejector device for preventing water from returning during water disinfection
CN208238609U (en) A kind of bushing type carbon dioxide underground heat exchanger
CN202125457U (en) Impeller for million-kilowatt nuclear secondary containment vessel spray pump
CN201946321U (en) Flow guiding tank
CN206592699U (en) A kind of device for suppressing pipeline negative pressure
CN204784881U (en) A check valve that is used for condensate water dredged of steam conduit
CN206191158U (en) Formula of relying on oneself pipe cap and formula pipe cap mounting structure that relies on oneself
CN103307320A (en) Passive one-way isolating valve, pipeline and pebble-bed high-temperature gas cooled reactor
CN207961733U (en) A kind of tap that protection effect is good
CN107195338A (en) A kind of passive damper system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant