CN1368738A - Hydraulic control device and its mounting method - Google Patents
Hydraulic control device and its mounting method Download PDFInfo
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- CN1368738A CN1368738A CN01144108A CN01144108A CN1368738A CN 1368738 A CN1368738 A CN 1368738A CN 01144108 A CN01144108 A CN 01144108A CN 01144108 A CN01144108 A CN 01144108A CN 1368738 A CN1368738 A CN 1368738A
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- control device
- hydraulic control
- nitrogen gas
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- 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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Abstract
The purpose of the present invention is to eliminate a delay factor of a construction stage by eliminating the need to interrupt constructing operation for a building when a hydraulic pressure control unit of a nuclear reactor is carried in. The hydraulic pressure control unit comprises the part of a nitrogen gas container 1 which contains high-pressure nitrogen gas, an accumulator 2 which accumulates high-pressure water, a scram valve 3 which is instantaneously opened when a control rod of a control rod driving mechanism is inserted in emergency to release the high-pressure water in the accumulator, and a piping 4 which connect them as unit members. A wall metal plate 20 and floor metal plate 21 for installing and fixing the unit members to the wall 9a and floor 9b of a hydraulic pressure control unit chamber 9 of a nuclear reactor building are constituted as integrated support metal plate 17. This support metal plate 17 and unit members are built in one body.
Description
Technical field
The control rod that the present invention relates to constitute the boiling water type atomic pile drives the hydraulic control device of hydraulic pressure system, this hydraulic control device is installed in indoor method of the hydraulic control device in atomic pile room and the boiling water type atomic energy factory that this hydraulic control device is installed.
Background technology
Below, with reference to Fig. 7 to Fig. 12, before hydraulic control device (below be called " HCU ") is described and HCU is fit into field engineering in the hydraulic control device chamber (hereinafter referred to as " HCU chamber ").
Fig. 7 represents before HCU is installed in the indoor structure of HCU.As shown in Figure 7, as main component parts, HCU10 has the nitrogen gas container 1 that stores high pressure nitrogen, the reservoir 2 that stores water under high pressure, when the scram of control rod drive mechanisms (CRD) (CRD) moment scram valve 3 and various pipe arrangement 4 open, that the water under high pressure reservoir 2 in is emitted, this pipe arrangement 4 connects the CRD driving hydraulic pressure system pipe arrangement that nitrogen gas containers 1, reservoir 2, scram valve 3 and figure do not show etc.
Be located at the pipe arrangement 11 and the pipe arrangement 12 that is provided in reservoir 2 bottoms of nitrogen gas container 1 lower end, connect, with bolt by flange 13,14.In above-mentioned HCU installment state, the welding of scram valve 3 usefulness drives the hydraulic pressure system pipe arrangement with the CRD that figure does not show and is connected.
In nitrogen gas container 1, enclose high pressure nitrogen, drive the hydraulic pressure system pipe arrangement,, in reservoir 2, supply with water under high pressure by the filling water pipe arrangement 4a that is being connected with reservoir 2 tops from CRD.Group is being gone into piston in reservoir 2, and piston is isolated the water under high pressure on reservoir 2 tops and the high pressure nitrogen of bottom.
Below, function and the action of HCU10 are described.
When promptly stopping atomic pile, in order with high speed the control rod in the atomic pile to be inserted stove intracardiac (scram), HCU10 has the function of water under high pressure being supplied with the piston bottom of the not shown CRD that is located at reactor pressure vessel force container bottom.
During scram, cut off the power supply of the solenoid valve 3a on scram valve 3 tops that are located at HCU10, valve is opened, press from opening the air that scram valve 3 cuts out here, like this, go into the recuperability of the compression spring in the scram valve 3,3 moments of scram valve are opened by group.So the high pressure nitrogen in the nitrogen gas container 1 by the pipe arrangement 11 of nitrogen gas container 1 lower end and the pipe arrangement 12 that links to each other with reservoir 2 bottoms that is being connected with it, is pushed to the piston of reservoir 2, the water under high pressure in the reservoir 2 is discharged from scram valve 3.It is pipe arrangement that the CRD that water under high pressure does not show by pipe arrangement in the HCU10 4 and figure drives hydraulic pressure, flows in the CRD, and the piston of CRD is pushed to.Like this, to be inserted stove at a high speed intracardiac for the control rod that is being connected with the piston of CRD upper end.
Fig. 8 is in the configuration of the HCU10 with above-mentioned structure, is example with the HCU chamber in the atomic pile house that is located at ABWR (ABWR) 9, the planimetric map of expression.
As shown in Figure 8, it is rectangle that HCU chamber 9 is seen from the plane, for example is located at underground 2 layers of atomic pile house, does not show the reactor pressure vessel force container with respect to the figure that is arranged on center, atomic pile house, is provided with Room 2 symmetrically.
In HCU chamber 9, HCU10 is arranging along each longitudinal wall 9a of 4, and each HCU10 is installed with towards the house center position.In the ABWR example, 103 HCU10 are being set, in 2 HCU chambers 9, disposing 52 and 51 respectively.
Below, with reference to Fig. 9 to Figure 12, HCVU10 installation method before is described.
Fig. 9 and Figure 10 represent to be used to install the supporting constructions such as metal fittings of HCU10.Figure 11 represents the installment state of nitrogen gas container 1, and Figure 12 represents the installation midvoyage condition of other component parts.
When the construction in atomic pile house, from subterranean layer, according to the order of ground, wall, ceiling, placing concrete is built toward the upper strata from subterranean layer.At this moment,, on the longitudinal wall 9a of HCU chamber 9, during placing concrete, be used to support tabular top wall metal fittings 8a of growing crosswise of HCU10 and lower part wall metal fittings 8b, disposing dividually up and down as Fig. 9 and shown in Figure 10.On these wall metal fittings 8a, 8b, about respectively be provided with a pair of towards the HCU chamber 9 side-prominent shatter-proof support unit 7a in top and shatter-proof support unit 7b in bottom.In addition, on the 9b of the ground of HCU chamber 9, be provided with flat ground metal accessory 21.On ground metal accessory 21, be provided with requisite number purpose bolt hole (figure does not show), this bolt hole is used to wear the fixed-use bolt of HCU10.The installation of HCU10 is carried out after the pouring of ground, wall and the ceiling of this HCU chamber 9 is finished.
Promptly, after finish HCU chamber 9, nitrogen gas container 1 and the part (assembling parts of reservoir 2, scram valve 3, pipe arrangement 4 and framework 5 etc.) beyond it, do not show that from the figure in atomic pile house big thing is transported into mouth and is moved into, after moving vertically to the floor that is provided with the HCU chamber always, be moved horizontally to HCU chamber 9 again, move in the HCU chamber 9.Then, nitrogen gas container 1 is installed totally earlier, the assembling part of reservoir 2, scram valve 3, pipe arrangement 4 and framework 5 etc. is installed again.
When the installation of nitrogen gas container 1, as shown in figure 11, nitrogen gas container 1 with vertical state insert from top and the bottom wall metal fittings 8a, 8b outstanding about between 2 shatter-proof support unit 7a in top, 2 lug 1a that are located at this nitrogen gas container 1 periphery antimere, hang on the shatter-proof support unit 7a in top, lug 1a is connected with the shatter-proof support unit 7a in top with bolt.In addition, the shatter-proof support unit 7b in the bottom is cut apart circular-arc plate by 3 that scheme not show constraint around the nitrogen gas container 1 is lived, in this state bolt.Prevent the bottom vibration of gas nitrogen gas container 1.
As shown in figure 12, on framework 5 with base 6, assembling reservoir 2, scram valve 3 and pipe arrangement 4 etc. integratedly, with the chassis 18 of band jack slide block etc., this assembly is moved on the ground towards longitudinal wall 9a, the position that is configured on the ground metal accessory 21 at the base 6 of framework 5 stops it, hangs down from chassis 18.At this moment, the pipe arrangement 11 that is located at nitrogen gas container 1 lower end is connected accurately with the pipe arrangement 12 that is located at reservoir 2 bottoms, must aligned position, below the base 6 of pad being put into framework 5 or the following etc. of lug 1a of pad being put into nitrogen gas container 1 regulate.Then, as shown in Figure 7, with bolt the lower end base 6 of framework 5 is fixed on the ground metal accessory 21 respectively.In addition, be connected and fixed with the fore-end and the framework 5 of shatter- proof support unit 7a, 7b up and down of bolt 16 each wall metal fittings 8a, 8b.Again the pipe arrangement 11 that is located at nitrogen gas container 1 lower end be located at the pipe arrangement 12 of reservoir 2 bottoms, with the joint of the flange 13,14 of their front ends and the bolt connection at junction surface.
But, in the above-mentioned prior art, after finish HCU chamber 9, when carrying out the installation of HCU10,, must interrupt other operation, so postponed the completion time of project in order to move into HCU10.
In addition, narrow owing to working space, can not use reason such as crane when at the scene HCU10 being installed, need the more activity duration.In addition, when nitrogen gas container 1 is assembled respectively with the assembling part of reservoir 2, scram valve 3, pipe arrangement and framework 5 etc., be connected with the pipe arrangement of reservoir 2 bottoms in order to carry out nitrogen gas container 1 lower end, aligned position accurately, carry out this adjusting in construction site, workload is bigger, and the activity duration is long.
Summary of the invention
The present invention makes in view of the above problems, its purpose be to provide a kind of toward the HCU chamber when installing, do not postpone the HCU installation method of completion time of project, the boiling water type atomic energy factory that is suitable for the HCU of this method and this HCU is installed.
In addition, the purpose of this invention is to provide the comparable HCU installation method that shortens before of a kind of installation exercise time, and can high precision and carry out the nitrogen gas container lower end is connected, does not need when locating the too many time with the pipe arrangement of reservoir bottom HCU installation method in short time.
Hydraulic control device of the present invention, the control rod that constitutes the boiling water type atomic pile drives hydraulic pressure system, as component parts, have the nitrogen gas container that stores high pressure nitrogen, store the reservoir of water under high pressure, moment opens and scram valve that the water under high pressure in the reservoir is emitted when the control rod of control rod drive mechanisms (CRD) promptly inserts, the pipe arrangement class that connects them, it is characterized in that, wall metal fittings and ground metal accessory, the said modules parts are fixed on respectively on the longitudinal wall and ground of hydraulic control device chamber in atomic pile house, these wall metal fittings and ground metal accessory are constituted the supporting metal fittings of one, the said modules parts are assembled on these supporting metal fittings integratedly.
Hydraulic control device installation method of the present invention, it is characterized in that, above-mentioned hydraulic control device, in advance after factory-assembled is integral, be transported to the construction site of atomic power plant, before the ceiling construction of the hydraulic control device chamber in atomic pile house, it is indoor that hydraulic control device is transported into this hydraulic control device, installs.
In the hydraulic control device installation method of the present invention, it is characterized in that, one or several hydraulic control devices are assembled into one, transport and install.
In the hydraulic control device installation method of the present invention, it is characterized in that the number of assembling all-in-one-piece hydraulic control device is 1 comprehensive, 2 comprehensive, 3 comprehensive or 4 comprehensive any corresponding device number with the longitudinal wall that constitutes the hydraulic control device chamber.
In the hydraulic control device installation method of the present invention, it is characterized in that, in advance with supporting metal fittings incorporate component parts, as nitrogen gas container, in separated operation, assemble other component parts in advance, above-mentioned nitrogen gas container is installed to the hydraulic pressure pulpit after, above-mentioned other component parts is assembled on the above-mentioned nitrogen gas container.
In the hydraulic control device installation method of the present invention, it is characterized in that,, use as the longitudinal wall concrete casting template of hydraulic control device chamber the wall metal fittings part of supporting metal fittings.
In the hydraulic control device of the present invention, it is characterized in that, the bale packing of construction site that will be from the factory to the generating plant, and when installing toward the hydraulic control device chamber or double as thereafter for strengthening and the structure of maintenance, be located at integratedly on the supporting metal fittings.
In the hydraulic control device installation method of the present invention, it is characterized in that, adopt above-mentioned hydraulic control device, replace above-mentioned hydraulic control device.Boiling water type atomic energy of the present invention factory is characterized in that above-mentioned hydraulic control device, the hydraulic control device that is installed in the atomic pile house is indoor.
Description of drawings
Fig. 1 represents the HCU of the present invention the 1st embodiment is installed in the structural map of the atomic pile house internal state of boiling water type atomic energy factory.
Fig. 2 (A)～(D) is the process chart of the assembling sequence of HCU among expression the present invention the 1st embodiment, in factory.
Fig. 3 is illustrated among the 1st embodiment, the HCU structural map after assembling is finished.
Fig. 4 is the enlarged drawing of the end portion in the HCU installment state shown in Figure 3.
Fig. 5 is the front view (FV) that is illustrated in HCU10 structure among the 2nd embodiment.
Fig. 6 is the planimetric map that is illustrated in HCU10 structure among the 2nd embodiment.
Fig. 7 is the figure that expression is installed in HCU before the indoor structure of HCU.
Fig. 8 is the planimetric map of expression HCU configuration example.
Fig. 9 represents that before HCU installs the outboard profile with supporting constructions such as metal fittings.
Figure 10 represents that before HCU installs the front view (FV) with supporting constructions such as metal fittings.
Figure 11 is the figure of the nitrogen gas container installment state among the HCU that represents before.Figure 12 is illustrated on the nitrogen gas container shown in Figure 11, and the figure of other unit status is installed.
Embodiment
Below, referring to figs. 1 through Fig. 6, embodiments of the invention are described.Among Fig. 1 to Fig. 6, the parts identical or suitable with the parts of the HCU that illustrates in the above-mentioned prior art, annotate with Fig. 7 to Figure 12 in identical mark.
The 1st embodiment (Fig. 1 to Fig. 4)
Fig. 1 is the HCU of expression with the present invention the 1st embodiment, is installed in the structural map of the atomic pile house internal state of boiling water type atomic energy factory.Fig. 2 (A)～(D) is the process chart that is illustrated in the HCU assembling sequence in the factory.Fig. 3 is the HCU structural map after the expression assembling is finished.Fig. 4 is the enlarged drawing of the end portion in the HCU installment state shown in Figure 3.
As shown in Figure 1, constitute the component parts of present embodiment HCU10, as main component parts, the reservoir 2 that stores high pressure nitrogen nitrogen gas container 1, store water under high pressure is arranged, moment opens and scram valve 3 and various pipe arrangement 4 that the water under high pressure in the reservoir 2 is emitted when control rod drive mechanisms (CRD) (CRD) scram, the CRD that this pipe arrangement 4 does not show nitrogen gas container 1, reservoir 2, scram valve 3 and figure drives hydraulic pressure system pipe arrangement etc. and is connected.
In the present embodiment, these component parts are assembled in integratedly wall metal fittings 20 and ground metal accessory 21 are constituted on the supporting metal fittings 17 of one.That is, wall metal fittings 20 are long rectangular flats of above-below direction, near longitudinal wall 9 lower ends of HCU chamber 9, erect the top sustained height slightly in the installment state with nitrogen gas container 1 always.In the lower end of wall metal fittings 20, connecting the rectangle ground metal fittings of level integratedly with welding, below the lower end of these wall metal fittings 20 and the ground metal accessory 21, be fixed on the base frame 22 of level with the welding grade.
2 positions up and down of nitrogen gas container 1 are being supported by these shatter-proof support unit 7A, 7b.That is, the lug 1a part of nitrogen gas container 1, shatter-proof support unit 7a is supporting by top, and uses some bolt.The shatter-proof support unit 7b part in the bottom, the circular-arc plate constraint of 3 inner faces that the bottom of nitrogen gas container 1 is schemed not show is lived, and prevents the bottom vibration of nitrogen gas container 1.
On the other hand, reservoir 2, scram valve 3 and various pipe arrangement 4 etc., assembling integratedly is bearing on the framework 5 of vertical frame shape, and this framework 5 is connected with the front end of shatter-proof support unit 7a in top and the shatter-proof support unit 7b in bottom.That is, the lower end of framework 5 is positioned in the precalculated position on the ground metal accessory 21, is located at the part of the rectangular base 6 of these framework 5 lower ends, is fixed on the ground metal accessory 21 with 2 bolts 16 respectively.In addition, the front end of shatter- proof support unit 7a, 7b in top and the bottom framework 5 with bolt.
Be located at the pipe arrangement 11 of nitrogen gas container 1 lower end and be located at the pipe arrangement 12 of reservoir 2 bottoms, connect by flange 13,14, and use bolt.In above-mentioned HCU installment state, 2 pipe arrangements 4 that are being connected with scram valve 3 are connected with the CRD driving hydraulic pressure system pipe arrangement that figure does not show with welding.
In nitrogen gas container 1, enclose high pressure nitrogen, by the filling water pipe arrangement 4a that is being connected with reservoir 2 tops, drive the hydraulic pressure system pipe arrangement from CRD and in reservoir 2, supply with water under high pressure.Group has been gone into piston in reservoir 2, and this piston is isolated the water under high pressure on reservoir 2 tops and the high pressure nitrogen of bottom.About function and the action of HCU10, with routine identical before, so its explanation is omitted.In addition, HCU10 is provided with number and arrangement etc., and also identical with conventional example shown in Figure 8, its explanation is omitted.
Below, with reference to Fig. 2 to Fig. 4, assembling and the erection sequence of HCU10 is described.In the present embodiment, supporting metal fittings 17 are integrated with wall metal fittings 20 and ground metal accessory 21, shown in Fig. 2 (A)～(D), and the assembling of these supporting metal fittings 17 and component parts, all carry out, the HCU10 after the assembling is transported to the atomic pile house installs in factory.
Promptly, shown in Fig. 2 (A), wall metal fittings 20 are configured to level, dash forward in its lower section and establish shearing resistance connecting pin 20a, simultaneously, side is installed the shatter-proof support unit 7a in bottom, 7b in the above, when the installation of these wall metal fittings 20, ground metal accessory 21 is bonded on one distolateral (the right-hand member side of Fig. 2 (A)) as the lower end with vertical state, make supporting metal fittings 17, when the installation of ground metal accessory 21, base frame 22 is bonded on side (right flank of Fig. 2 (A)) as the bottom.
Then, shown in Fig. 2 (B), the supporting of nitrogen gas container 1 accumbency ground is fixed on the shatter-proof support unit 7a in top and the bottom, the 7b.At this moment, nitrogen gas container 1 is configured in the top of the shatter-proof support unit 7a in top of wall metal fittings 20, supporting with the part that is located at 2 lug 1a on the nitrogen gas container 1, connect lug 6 and the shatter-proof support unit 7a in top with bolt, do not show circular-arc plate with 3 figure among the shatter-proof support unit 7b in bottom, nitrogen gas container 1 constraint is lived, and use bolt.
On the other hand, reservoir 2, scram valve 3 and other component parts such as pipe arrangement 4,4a, be assembled on the framework 5 in advance integratedly, shown in Fig. 2 (C), assembly is configured in the top of nitrogen gas container 1, with flange 13,14 pipe arrangement 11 of nitrogen gas container 1 and the pipe arrangement 1,2 of reservoir 2 are connected, but ground, high precision alignment position connects.At this moment, when the installation of the base 6 of framework 5, pad is put into as following position, perhaps when the installation of the lug 1a of nitrogen gas container 1, pad is put into as following position, carry out position adjustments like this.Then, with bolt that framework 5 and ground metal accessory 21 is fixing.In addition, fore-end and the framework 5 of the top and the bottom of wall metal fittings 20 are shatter- proof support unit 7a, 7b connect with bolt.
Each component parts shown in Fig. 2 (D), is implemented the top of topped these component parts and the bale packing 24 of side after finishing toward the assembling on the supporting metal fittings 17.This bale packing 24, for example the topped plate 26 done such as the reinforced bulkhead of being done by shaped steel 25 and sheet iron constitutes.Reinforced bulkhead 25 sees for example to be the L font that the bolt with figure does not show is installed in its each leading section on wall metal fittings 20 and the base frame 22 as shown in the figure from the side.Topped plate 26 with reinforced bulkhead 25 as the supporting, with the state setting of topped its spatial portion, for example with installations such as bolts.Like this, the whole exterior side of the component parts of HCU10 is lived with the air-tight state cladding by the bale packing 24 of hard.Like this, wall metal fittings 20, ground metal accessory 21 and component parts are assembled into one, and, the HCU10 that has implemented bale packing 24 is transported to the power house construction site.
Fig. 3 has represented to implement the mounting position of the HCU10 of bale packing 24 shown in Fig. 2 (D), is the longitudinal type configuration, and Fig. 4 is the enlarged drawing that expression is installed in the last state of longitudinal wall 9a of HCU chamber 9.
As shown in Figure 4 and Figure 5, on the ground 9b of the HCU chamber 9 of generating plant construction site, laid several and buried metal fittings 23 in advance underground, these metal fittings 23 weld several shearing resistance connecting pin 23b and constitute on square plate 23a.In longitudinal wall 9a side, set in advance and joined backing strip 30.At this state, the HCU10 having assembled component parts and constitute on metal fittings 17 (these metal fittings 17 with wall metal fittings 20, ground metal accessory 21 and base frame 22 integrated and constitute) is placed on the 9b of ground.After having regulated the position of wall metal fittings 20, ground metal accessory 21 and component parts, ground metal accessory 21 lower base frameworks 22 are fixed on the built-in metal accessory 23 with welding.Then, the part of wall metal fittings 20,, form longitudinal wall 9a like this at its inboard placing concrete as template.Then, construct the ceiling that figure does not show, from install the back during the formation of ceiling etc., be the state that bale packing 24 is installed, like this, with bale packing 24 when installing and the armature after installing, and as the protection material that in operation, prevents to collide with dropping.After the construction of the HCU chamber 9 that comprises air-conditioning equipment etc. finishes, unload bale packing 24, become user mode shown in Figure 1.
According to present embodiment, when the construction of atomic power plant, before the ceiling of the HCU chamber 9 that forms the atomic pile house, carry out the installation of HCU10, promptly carry in the open, so, when the moving into of HCU10, needn't interrupt other operation, therefore, the HCU installation exercise can not prolong the completion time of project.In addition, owing in factory, wall metal fittings 20, ground metal accessory 21 and component parts are assembled into one, so,, can fully guarantee working space with different in the building site, can adopt the necessaries of crane etc., and, available horizontal state assembled wall metal fittings 20, ground metal accessory 21 and component parts etc., so, operation is easy, the efficient height.In addition, also can improve the shatter-proof support unit 7a in top and the bottom that is used to install nitrogen gas container 1, the installation accuracy of 7b.Therefore, according to present embodiment, can shorten the activity duration significantly, when the lower end of carrying out nitrogen gas container 1 is connected with the pipe arrangement of reservoir 2 bottoms, easily position with required precision yet, its adjusting does not need the too many time.
In addition; the component parts of wall metal fittings 20, ground metal accessory 21 and HCU10 is assembled into one; bale packing 24 is set again; like this; become from factory to the generating plant double as be bale packing and open-air carry, with and subsequent strengthen and the structure of protection, the safety in the time of can guaranteeing to transport and install, simultaneously; also wall metal fittings 20 are also used as the template that concrete casting is used, the plank sheathing that uses in the time of can reducing common concrete casting.That is, reinforced bulkhead 25 and topped plate 26, the bale packing material when transporting from the factory to the scene is protected HCU10 in transit.In addition, during hanging in during toward the loading and unloading of truck etc. or when carrying out open-air lift-launch of HCU10 at the scene and during the concrete casting after open-air the lift-launch, bale packing is as armature.In addition, after open-air the lift-launch, though there is not ceiling; also do not have air-conditioning equipment in the HCU chamber 9, environment is more abominable, still; the air that does not show branner by figure, to send in the space that forms by reinforced bulkhead 25 and topped plate 26, the maintenance material that can be used as protection HCU10 uses.
Like this, in the installation method of the present invention, wall metal fittings 20, ground metal accessory 21 and HCU10 are assembled into one, adopt bale packing 24, from the factory to the generating plant, this bale packing double as be the reinforcement after the open-air lift-launch and the structure of maintenance.According to this installation method, the air-conditioning joint equipment of the HCU chamber 9 after installing from the scene of dispatching from the factory is finished, but maintenance HCU10, and, by this bale packing, the reinforcement after the open-air lift-launch of saving and the material of maintenance, for example can not waste timber etc., realize helping the product of environment.
In the present embodiment,, exemplified the device construction that comprises bale packing 24, but, also can change the form of bale packing 24, perhaps also can omit bale packing 24 according to situation as the HCU of the best.The 2nd embodiment (Fig. 5, Fig. 6)
Fig. 5 is the front view (FV) of the HCU10 structure of expression the present invention the 2nd embodiment.Fig. 6 is the planimetric map of Fig. 5.
Present embodiment also with the 1st embodiment similarly, the supporting metal fittings 17 wall metal fittings 20, ground metal accessory 21 are formed as one, the component parts of HCU10 is assembled on these supporting metal fittings 17 integratedly.In the present embodiment, different with the 1st embodiment is, on supporting metal fittings 17, several component parts of nitrogen gas container 1 grade is assembled into one, and installs.In addition, the erection sequence of HCU10 is identical with the 1st embodiment.
In the present embodiment, the area increase of wall metal fittings 20 and ground metal accessory 21 incorporate supporting metal fittings 17 is corresponding with several HCU10, the component parts that several HCU10 are installed in the above.In addition, implement bale packing (scheming not show) with its corresponding form.Then, be transported to construction site, install with open-air the lift-launch.
According to present embodiment, when the construction of atomic power plant, before the ceiling of the HCU chamber 9 in atomic pile house forms, the open-air HCU10 that carries, so, when being transported into of HCU10, needn't interrupt other operation, can not prolong the completion time of project, have the effect same with the 1st embodiment.In addition because several HCU10 can side by side be installed, so, transport and operation such as installation in, raise the efficiency more.That is,, compare during with 1 HCU10 by several HCU10 and wall, ground metal accessory 21 are formed as one, size after the assembling can become the size that can be loaded on the trailer, so, transport and open-air carry and the making of HCU chamber 9 aspect, more raise the efficiency.Other embodiment
The present invention can do various changes and application except the above-mentioned the 1st and the 2nd embodiment.Below, with following (the 1st example)～(the 5th example), specify these embodiment.Following mark is referring to figs. 1 through Fig. 6.(the 1st example)
In this example, make the number of assembling all-in-one-piece HCU10, corresponding comprehensively with the one side of the longitudinal wall 1a that constitutes HCU chamber 9.That is, the size of wall metal fittings 20 and ground metal accessory 21, corresponding with component parts number on the one side that is arranged on HCU chamber 9, the HCU10 of one side all is installed on the supporting metal fittings 17.
The making of HCU and installation, the same method of the available and above-mentioned the 1st and the 2nd embodiment is carried out.That is, the assembling of component parts and bale packing 24 etc. is set at corresponding size, carries out in factory, is transported to the building site then, installs with open-air the lift-launch.
According to this example, because the comprehensive HCU10 of the one side of HCU chamber 9 is become one, so, reduce site work significantly, can improve the efficient that on-the-spot open-air lift-launch and HCU chamber 9 make.In addition, similarly, also can use 2 or 3 enforcements of the longitudinal wall 9a of HCU chamber 9.(the 2nd example)
In this example,, corresponding comprehensively with 4 of the longitudinal wall 9a that constitutes HCU chamber 9 the number of assembling all-in-one-piece HCU10.That is, have the size of the supporting metal fittings 17 of wall metal fittings 20 and ground metal accessory 21, become be arranged on 4 of HCU chamber 9 on the total corresponding size of component parts, support on metal fittings 17 at this, the HCU10 of all one sides is installed uniformly.
In addition, the making of HCU10 and installation can be with carrying out with the 1st routine same method.That is, the assembling of component parts and bale packing 24 etc. is set at corresponding size, carries out in factory, is transported to the building site then, installs with open-air the lift-launch.
According to this example, because 4 HCU10 of HCU chamber 9 is become one, so as long as site work is once, more raise the efficiency the open-air lift-launch at the scene and the making aspect of HCU chamber 9.(the 3rd example)
In this example, the nitrogen gas container 1 in the handle component parts only is assembled on the supporting metal fittings 17 that are made of wall metal fittings 20 and ground metal accessory 21 shown in the 1st embodiment integratedly.That is, during the assembling of nitrogen gas container 1, after the operation shown in Fig. 2 (A) and Fig. 2 (B), implement bale packing 24.In addition, with separated operation, the component parts of assembling other, be installed in nitrogen gas container 1 on the hydraulic pressure pulpit 9 after, again other component parts is assembled on the nitrogen gas container 1.
Like this, nitrogen gas container 1 be assembled in integratedly the supporting metal fittings 17 on, implemented bale packing 24 after, be transported to the building site.With welding the base frame 22 of ground metal accessory 21 bottoms is fixed on the built-in metal accessory 23 at the scene.Then,, form longitudinal wall 9a, construct ceiling again at the inboard placing concrete of wall metal fittings 20.
Then, reservoir 2, scram valve 3 and pipe arrangement 4 etc. are installed on the framework 5, then,, are placed on precalculated position on the ground metal accessory 21 with chassis etc. with similarly before.At this moment, be located at the pipe arrangement 11 of nitrogen gas container 1 lower end and be located at the pipe arrangement 12 of reservoir 2 bottoms, contraposition accurately, the base by pad being put into framework 56 times, or the bottom etc. of putting into the lug 1a of nitrogen gas container 1 is regulated.Then, the base 6 in the foot lower end of framework 5 is fixed by bolts to respectively on the ground metal accessory 21.In addition, be connected with framework 5 with the fore-end of bolt the shatter-proof support unit 7a in the top and the bottom of wall metal fittings 20,7b.Again pipe arrangement 11 that is located at nitrogen gas container 1 lower end and the pipe arrangement 12 bolt combination that is located at reservoir 2 bottoms.
Also be in this example when the construction of atomic power plant, before the ceiling of the HCU chamber 9 in atomic pile house is built, carry nitrogen gas container 1 in the open, so, when being transported into of nitrogen gas container 1, needn't interrupt other operation, can not prolong the completion time of project.
In addition, owing to wall metal fittings 20, ground metal accessory 21 and nitrogen gas container 1 are assembled into one in factory, so, can fully guarantee working space, except effect with the various embodiments described above, because it is good that the installation accuracy of shatter- proof support unit 7a, 7b up and down of nitrogen gas container 1 is installed, so, installation exercise time of nitrogen gas container 1 can be shortened.In addition, when the pipe arrangement 12 of pipe arrangement 11 that connects nitrogen gas container 1 lower end and reservoir 2 bottoms, and compare before, carry out the good contraposition of precision easily, so can reduce the adjusting time.
According to this example, can shorten the installation exercise time of nitrogen gas container 1, when the pipe arrangement 12 of pipe arrangement 11 that connects nitrogen gas container 1 lower end and reservoir 2 bottoms, carry out the good contraposition of precision easily, can reduce the adjusting time.In addition, in this example, also can be assembled in one or several nitrogen gas containers 1 on the supporting metal fittings 17.(the 4th example)
This example is the installation that the 3rd example is used for the nitrogen gas container 1 of longitudinal wall one side.That is, the size of wall metal fittings 20 and ground metal accessory 21, the one side as among 4 the longitudinal wall 9a of HCU chamber 9 is installed in the nitrogen gas container 1 with a corresponding number of longitudinal wall here.The installation method of nitrogen gas container 1 is identical with the 3rd example.That is, after the nitrogen gas container 1 of the number that wall metal fittings of being faced the wall and meditated in 1 of HCU chamber 9 20 and ground metal accessory 21 and are faced the wall and meditated is assembled into one, implement bale packing 24, be transported to and on-the-spotly install with open-air the lift-launch.
According to this example, except have with the same effect of last example (the 3rd example), because the wall metal fittings 20 of the one side of the longitudinal wall 9a of HCU chamber 9 and nitrogen gas container 1 are formed as one, so, with several nitrogen gas containers 1 are compared when integrated, site work can reduce, and more raise the efficiency the open-air lift-launch at the scene and the making aspect of HCU chamber 9.In addition, similarly, also can implement 2 or 3 of longitudinal wall 9a of HCU chamber 9.(the 5th example)
In this example, make the size of wall metal fittings 20 and ground metal accessory 21, suitable with 4 longitudinal wall 9a of HCU chamber 9 with the ground 9b that faces the wall and meditates, install thereon and be contained in the interior total nitrogen gas container 1 in a HCU chamber 9.The installation method of nitrogen gas container 1 is identical with the 3rd example and the 4th example.That is, 4 wall metal fittings 20 and the ground metal accessory 21 of the longitudinal wall 9a of HCU chamber 9 and be contained in after total nitrogen gas containers 1 in the HCU chamber 9 are assembled into one, implement bale packing 24, be transported to the scene again, install with open-air the lift-launch.
According to this example, except effect with the 3rd example and the 4th example, because 4 wall ground metal accessory 21 and nitrogen gas container 1 of HCU chamber 9 are formed as one, so, when being formed as one, several nitrogen gas containers 1 compare, more reduce on-the-spot operation, more improve the on-the-spot open-air lift-launch and the make efficiency of HCU chamber 9.
As mentioned above, according to the present invention, when the construction of atomic power plant, before the ceiling of the HCU chamber in atomic pile house forms, under the state that wall metal fittings, ground metal accessory and HCU are assembled into one, the open-air lift-launch, so, when being transported into of HCU, needn't interrupt other operation, can therefore not prolong the duration.In addition, owing to wall metal fittings and ground metal accessory are assembled into one in factory, so the space that can guarantee operation can make full use of equipment, shortens the activity duration significantly.In addition, when nitrogen gas container was connected with the pipe arrangement of reservoir, high-precision location did not need the too many time yet, had good effect.
Claims (9)
1. hydraulic control device, the control rod that constitutes the boiling water type atomic pile drives hydraulic pressure system, as component parts, have the nitrogen gas container that stores high pressure nitrogen, store the reservoir of water under high pressure, moment opens and scram valve that the water under high pressure in the reservoir is emitted when the control rod of control rod drive mechanisms (CRD) promptly inserts, the pipe arrangement class that connects them, it is characterized in that, to be used for the said modules parts are fixed on respectively longitudinal wall and the ground wall metal fittings and the ground metal accessory of the hydraulic control device chamber in atomic pile room, constitute the supporting metal fittings of one, the said modules parts are assembled on these supporting metal fittings integratedly.
2. hydraulic control device installation method, it is characterized in that, the hydraulic control device of claim 1 record in advance after factory-assembled is integral, be transported to the construction site of atomic power plant, before the ceiling construction of the hydraulic control device chamber in atomic pile room, it is indoor that hydraulic control device is transported into this hydraulic control device, installs.
3. hydraulic control device installation method as claimed in claim 2 is characterized in that, one or several hydraulic control devices are assembled into one, transports and installs.
4. hydraulic control device installation method as claimed in claim 3, it is characterized in that, the number of assembling all-in-one-piece hydraulic control device is 1 comprehensive, 2 comprehensive, 3 comprehensive or 4 comprehensive any corresponding device number with the longitudinal wall that constitutes the hydraulic control device chamber.
5. as each described hydraulic control device installation method in the claim 2 to 4, it is characterized in that, in advance with supporting metal fittings incorporate component parts, as nitrogen gas container, in separated operation, assemble other component parts in advance, above-mentioned nitrogen gas container is installed to the hydraulic pressure pulpit after, above-mentioned other component parts is assembled on the above-mentioned nitrogen gas container.
6. as each described hydraulic control device installation method in the claim 2 to 4, it is characterized in that,, use as the longitudinal wall concrete casting template of hydraulic control device chamber the wall metal fittings part of supporting metal fittings.
7. hydraulic control device as claimed in claim 1 is characterized in that, when installing the bale packing of the construction site from the factory to the generating plant and toward the hydraulic control device chamber or double as thereafter for strengthening and the structure of maintenance, be located at integratedly and support on the metal fittings.
8. as each described hydraulic control device installation method in the claim 2 to 4, it is characterized in that, adopt the hydraulic control device of claim 7 record, replace the hydraulic control device of 1 record.
9. a boiling water type atomic energy factory is characterized in that, the hydraulic control device of claim 1 record, the hydraulic control device that is installed in the atomic pile room is indoor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000377895A JP4220120B2 (en) | 2000-12-12 | 2000-12-12 | Water pressure control unit and its installation method |
| JP377895/2000 | 2000-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1368738A true CN1368738A (en) | 2002-09-11 |
| CN1165914C CN1165914C (en) | 2004-09-08 |
Family
ID=18846555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011441089A Expired - Fee Related CN1165914C (en) | 2000-12-12 | 2001-12-12 | Hydraulic control device and its mounting method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4220120B2 (en) |
| CN (1) | CN1165914C (en) |
| TW (1) | TW513726B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192818A (en) * | 2010-03-11 | 2011-09-21 | 中国核动力研究设计院 | Secondary side preservice hydrostatic test secondary side hand hole interface module for steam generator |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4695436B2 (en) | 2005-04-27 | 2011-06-08 | 株式会社東芝 | Control rod position detector |
| JP5595682B2 (en) * | 2009-07-03 | 2014-09-24 | 株式会社東芝 | Hydraulic control unit for control rod drive hydraulic system |
| US20190195255A1 (en) * | 2010-09-24 | 2019-06-27 | Hiroshi Shimizu | Accessory attachment structure for steel plate-reinforced concrete structure, design system and design method of steel plate-reinforced concrete structure, consruction method of steel plate-reinforced concrete structure, and steel plate-reinforced concrete structure |
| JP2013253871A (en) * | 2012-06-07 | 2013-12-19 | Mitsubishi Heavy Ind Ltd | Installation method of heavy apparatus and transport container to be used for the same |
| JP6231972B2 (en) * | 2014-11-14 | 2017-11-15 | 日立Ｇｅニュークリア・エナジー株式会社 | Water pressure control unit |
| CN111267043B (en) * | 2020-03-13 | 2024-08-09 | 江苏核电有限公司 | Nuclear power station deflection type manhole cover plate center position adjusting tool and adjusting method |
-
2000
- 2000-12-12 JP JP2000377895A patent/JP4220120B2/en not_active Expired - Fee Related
-
2001
- 2001-11-12 TW TW090127985A patent/TW513726B/en not_active IP Right Cessation
- 2001-12-12 CN CNB011441089A patent/CN1165914C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192818A (en) * | 2010-03-11 | 2011-09-21 | 中国核动力研究设计院 | Secondary side preservice hydrostatic test secondary side hand hole interface module for steam generator |
| CN102192818B (en) * | 2010-03-11 | 2013-05-22 | 中国核动力研究设计院 | Secondary side preservice hydrostatic test secondary side hand hole interface module for steam generator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002181980A (en) | 2002-06-26 |
| CN1165914C (en) | 2004-09-08 |
| TW513726B (en) | 2002-12-11 |
| JP4220120B2 (en) | 2009-02-04 |
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Granted publication date: 20040908 Termination date: 20121212 |