CN204045220U - A kind of soldered joint nuclear reactor cooling package - Google Patents
A kind of soldered joint nuclear reactor cooling package Download PDFInfo
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- CN204045220U CN204045220U CN201420514276.7U CN201420514276U CN204045220U CN 204045220 U CN204045220 U CN 204045220U CN 201420514276 U CN201420514276 U CN 201420514276U CN 204045220 U CN204045220 U CN 204045220U
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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 utility model relates to a kind of nuclear reactor cooling equipment, a kind of soldered joint nuclear reactor cooling package, nuclear reactor interlayer body runners is positioned at lower semisphere bottom inner chamber, lower semisphere bottom bottom outer surface there is support foot rest be placed on reactor Di Chi baseplane, there is clip to seal above lower semisphere bottom and be fixed wtih pressure cooling cylindrical shell, force have clip to seal above cooling cylindrical shell and be fixed wtih episphere top cover, episphere top cover top is outside upper packing seal hole, airtightly in packing seal hole on nuclear reactor interlayer body top be fixed wtih pilot pipe cylindrical, as improvement: force that cooling cylindrical shell cylinder madial wall has spiral deflector, spiral deflector inward flange and nuclear reactor interlayer outer rim clearance fit, lower semisphere bottom is circumscribed with pressure duct and is connected to soldered joint escape hole on soldered joint interchanger, episphere top cover is circumscribed with back pressure pipeline and leads to soldered joint back pressure mouth on soldered joint interchanger.
Description
Technical field
The utility model relates to a kind of pressure cooling device for removing decay heat from nuclear reactor, and International Classification of Patents is G21C15/18, is specifically related to a kind of soldered joint nuclear reactor cooling package.
Background technology
Structure for generation of the nuclear reactor of electric energy has various ways, with regard to cooling medium recycle design, is broadly divided into the reactor of cooling medium forced circulation and Natural Circulation.As everybody knows, its cooling medium of the reactor of forced circulation is generally water, reactor core nuclear reaction occurring through it circulates, and takes away heat, flow to the outside of reactor vessel by pipeline from this reactor core, thermal release in special heat exchanger, and then draw back reactor core with water pump.Known what is called " centralized " reactor does not have exterior line, establishes in the container of reactor core in heat exchanger is located at.But such reactor still comprises ebullator, for carrying cooling medium with the pressure of less handkerchief to reactor core and interchanger.A major defect of cooling medium forced circulation reactor needs in container, arrange complicated cooling line, arranges mainly in order to the delivery outlet at interchanger is to transport pump cooling medium like this, and then be transported to reactor core.Other weak point is, inside establishes cooling line complicated like this to need large diameter reactor, therefore needs the volume being reduced reactor by cooling medium high-speed circulating.For simplifying cooling line, known scheme is, only relies on cooling medium Natural Circulation to realize at nuclear reactor internal.
Chinese patent CN102081976A discloses the complete Passive containment cooling system of a kind of Large Copacity.This containment cooling system can utilize the thermal parameter that sensor collection containment is relevant, follow the tracks of cooling procedure, multiple hutch in order to store different cooling medium is set above containment, realizes the Dynamic controlling to containment cooling power by the selection of cooling medium kind and the adjustment of coolant flow; By adopting general passive control module, the startup of this containment cooling system and whole service process can not rely on external impetus supply completely, therefore have non-energy dynamic characteristic completely.This utility model employs multiple low boiling cooling medium, makes system become complicated, and adds construction and maintenance cost.
The harm that any glitch of nuclear facilities brings is huge, and maintenance cost is high, therefore, carries out safe and efficient cooling significant to reactor.
Summary of the invention
The purpose of this utility model is that the top water tank chilled water utilization factor for existing in prior art is not high, pcs system is complicated, by problems such as pressure and temperature regulating water flow existing defects, there is provided one can improve chilled water utilization ratio, when close reactor planform size is all constant, by increasing external force circulation, remove the pressure cooling device of decay heat from nuclear reactor.
The utility model is by the following technical solutions:
A kind of soldered joint nuclear reactor cooling package, nuclear reactor interlayer body runners is positioned at lower semisphere bottom inner chamber, described lower semisphere bottom bottom outer surface there is support foot rest be placed on reactor Di Chi baseplane, there is flange seal to be fixed wtih above described lower semisphere bottom and force cooling cylindrical shell, flange seal is had to be fixed wtih episphere top cover above described pressure cooling cylindrical shell, episphere top cover top is outside upper packing seal hole, airtight and watertight padding hermetic seal in described packing seal hole the pilot pipe cylindrical at described nuclear reactor interlayer body top, as improvement: described pressure cooling cylindrical shell cylinder madial wall has spiral deflector, spiral deflector inward flange and described nuclear reactor interlayer outer rim clearance fit, described lower semisphere bottom is circumscribed with pressure duct and is connected to soldered joint escape hole on soldered joint interchanger, described episphere top cover is circumscribed with back pressure pipeline towards the soldered joint back pressure mouth on described soldered joint interchanger, soldered joint escape orifice on described soldered joint interchanger there is drain line to lead to the lower end in circulating cooling pond, soldered joint suction inlet on described soldered joint interchanger there is high pressure suction pipe lead to the upper end in described circulating cooling pond, between described circulating cooling pond two ends, arranged crosswise has the straight plate of water conservancy diversion, square hole ports input shaft outer end on described soldered joint interchanger is connected to power source,
Described soldered joint interchanger entirety also comprises soldered joint pump body, sucks welding end cap and back pressure welding end cap, and the described upper and lower both sides of soldered joint pump body have water pump spiral casing and spiral case respectively,
Main body endoporus internal fixtion a pair ceramic bearing cylindrical on described soldered joint pump body, ceramic bearing hole is fixed wtih square toes main shaft, and the upper and lower both sides of square toes main shaft are fixed wtih water pump vane and water machine runner respectively; Described water pump spiral casing has described soldered joint escape hole perpendicular in the tangential direction of described square toes main shaft, and the pump head stomidium of described water pump spiral casing welds end cap pump cover step surface with described suction is detachable airtight fastening; Discharge welding end surface on described soldered joint escape hole has discharge bevel for welding, and discharge bevel for welding forms one with the corresponding groove welding on pressure duct and encloses airtight discharge soldered; Described spiral case has described soldered joint escape orifice perpendicular in the tangential direction of described square toes main shaft, and the water machine stomidium of described spiral case welds end cap cover step surface with described back pressure is detachable airtight fastening; Excretion welding end surface on described soldered joint escape orifice has excretion bevel for welding, and excretion bevel for welding forms one with the corresponding groove welding on described drain line and encloses airtight excretion soldered;
Described suction welding end covers described soldered joint suction inlet and becomes to be arranged vertically with described pump cover step surface central axis, described suction welding end covers pump cover axis hole and becomes coaxially arranged with described pump cover step surface central axis, be clearance fit between described pump cover axis hole and described square hole ports input shaft, in the packing seal groove on described pump cover axis hole, have O-ring seal to press described square hole ports input shaft periphery; The axle head square hole of described square hole ports input shaft lower end slidably coordinates for axis with between the pump end square shaft of described square toes main shaft upper end; Suction welding end surface on described soldered joint suction inlet has suction bevel for welding, and suction bevel for welding forms one with the corresponding groove welding on described high pressure suction pipe and encloses airtight suction soldered; Described back pressure welding end covers described soldered joint back pressure mouth and becomes coaxially arranged with described cover step surface central axis, back pressure welding end surface on described soldered joint back pressure mouth has back pressure bevel for welding, and back pressure bevel for welding and the corresponding groove welding on described back pressure pipeline form one and enclose airtight back pressure soldered.
As further improvement: described spiral deflector (91) outward flange is 10 to 12 degree along forcing the lead angle of cooling cylindrical shell (90) cylinder madial wall.
As further improvement: there is housing internal threads described main body endoporus both sides respectively facing to described water pump spiral casing inner chamber and described spiral case inner chamber, described square toes main shaft water pump side has pump bearing section successively, pump flat key section, pump thread segment and described pump end square shaft, described square toes main shaft hydraulic turbine side organic bearing section successively, machine thread segment and machine end optical axis, a pair described ceramic bearing hole respectively with described pump bearing section cylindrical and described machine bearing section cylindrical interference fit, a pair described ceramic bearing cylindrical and described main body endoporus transition fit, pair of bearings tight loop external thread and described housing internal threads regulate the ceramic bearing axial location be fixed wtih described in a pair, runner internal thread and the described machine thread segment threaded engagement of described water machine runner are fastening, the through hole inner circle of described water pump vane and described pump flat key section cylindrical transition fit, water pump nut and described pump thread segment rotational fastener, for being slidably matched between the square shaft four sides on the square hole wall in described axle head square hole and described pump end square shaft.
As further improvement: runner unthreaded hole and the described machine end optical axis of described runner internal thread bottom are slidably matched, described runner unthreaded hole there are six runner screws, described machine end optical axis there are five optical axis pin-and-holes, retaining pin external thread section and described runner screw rotational fastener, for being slidably matched between described retaining pin straight pin section and described optical axis pin-and-hole.
The beneficial effects of the utility model are:
Nuclear reactor interlayer body is placed in and forces in cooling cylindrical shell, particularly force that cooling cylindrical shell cylinder madial wall has spiral deflector, spiral deflector outward flange is that 10 to 12 degree settings enhance cooling effect along forcing the lead angle of cooling cylindrical shell cylinder madial wall, described episphere top cover is circumscribed with back pressure pipeline towards the soldered joint back pressure mouth on described soldered joint interchanger, return pressure can effectively be reclaimed, share power source load and reached 30%, achieved and fall energy object;
Arranged crosswise between the two ends of circulating cooling pond is utilized to have the straight plate of water conservancy diversion, soldered joint escape orifice simultaneously on soldered joint interchanger there is drain line to lead to the lower end in circulating cooling pond, soldered joint suction inlet on described soldered joint interchanger there is high pressure suction pipe lead to the upper end in described circulating cooling pond, recirculated cooling water is fully dispelled the heat;
Soldered joint interchanger 60 one-piece construction of the utility model important step adopts solder design good leak tightness and high pressure resistant, does not produce any seepage.Wherein soldered joint pump body adopts both sides Central Symmetry to be provided with water pump spiral casing and spiral case, and mass action power is balanced; Main body endoporus both sides particularly on soldered joint pump body are all provided with housing internal threads, adapted pair of bearings tight loop adjusts tools for alignment blind manipulation notches by socket wrench specially adapted for it and adjusts to the right place, guarantee that water pump vane and water machine runner are accurately positioned among water pump spiral casing and spiral case respectively along with a pair ceramic bearing, show its energy conversion efficiency up to 68% through experiment;
The soldered joint interchanger of the utility model important step has six runner screws to misplace corresponding with five optical axis pin-and-holes on machine end optical axis on the runner unthreaded hole of water machine runner, guarantee that between the runner internal thread of water machine runner and machine thread segment, small rotation regulates, just can guarantee that retaining pin aims at runner screw and optical axis pin-and-hole simultaneously, realize water machine runner can bear positive and negative relative to square toes main shaft then can not unclamp, quick and safe;
The axle head square hole that the soldered joint interchanger of the utility model important step is also provided with pump end square shaft and square hole ports input shaft in the pump thread segment outer end of square toes main shaft is slidably matched, and achieves external impetus input; The tooth two sides port of described square hole wall has the square hole groove of 1.5 × 45 degree, and the tooth two sides port at described square shaft four sides has the square shaft groove of 1.5 × 45 degree, is convenient to axle head square hole and aims at pump end square shaft and import; Particularly square shaft four adjacent edges on four sides there is the square shaft chamfering of 1.5 × 45 degree, guarantee precision-fit transmitting large torque between square shaft four sides and square hole wall.
Accompanying drawing explanation
Fig. 1 is the utility model schematic top plan view.
Fig. 2 is the sectional view by episphere top cover 97 center in Fig. 1.
Fig. 3 is the independent sectional view forcing cooling cylindrical shell 90 in Fig. 2.
Fig. 4 is the diagrammatic cross-section of soldered joint interchanger 60 in Fig. 1.
Fig. 5 is soldered joint pump body 61 diagrammatic cross-section in Fig. 4.
Fig. 6 is suction welding end cap 41 diagrammatic cross-section in Fig. 4.
Fig. 7 is back pressure welding end cap 81 diagrammatic cross-section in Fig. 4.
Fig. 8 is enlarged local section schematic diagram residing for the water pump nut 72 in Fig. 1.
Fig. 9 is the A-A sectional view in Fig. 8.
Figure 10 is the B-B sectional view in Fig. 8.
Figure 11 is the C-C sectional view in Fig. 8.
Figure 12 is the axle head square hole 71 position enlarged drawing of square hole ports input shaft 77 in Fig. 8.
Figure 13 is pump flat key section 34 and the transmission flat key 11 position enlarged drawing of square toes main shaft 33 in Fig. 8.
Figure 14 is enlarged local section schematic diagram residing for the retaining pin 19 in Fig. 1.
Figure 15 is the D-D sectional view in Figure 14.
Figure 16 is the machine thread segment 36 position enlarged drawing of square toes main shaft 33 in Figure 14.
Figure 17 is the runner internal thread 26 position profile of Figure 14 moderate water apparatus runner 88.
Figure 18 is bearing tight loop 75 diagrammatic cross-section in Fig. 4.
Figure 19 is bearing tight loop 75 vertical view in Figure 18.
Embodiment
In conjunction with the accompanying drawings and embodiments structure of the present utility model and principle of work are further elaborated:
A kind of soldered joint nuclear reactor cooling package, nuclear reactor interlayer body 30 runners is positioned at lower semisphere bottom 92 inner chamber, described lower semisphere bottom 92 bottom outer surface there is support foot rest 20 be placed on baseplane, pond 10 at the bottom of reactor, there is flange seal to be fixed wtih above described lower semisphere bottom 92 and force cooling cylindrical shell 90, flange seal is had to be fixed wtih episphere top cover 97 above described pressure cooling cylindrical shell 90, episphere top cover 97 top is outside upper packing seal hole 79, airtight and watertight padding hermetic seal in described packing seal hole 79 pilot pipe 98 cylindrical at described nuclear reactor interlayer body 30 top, as improvement: described pressure cooling cylindrical shell 90 cylinder madial wall has spiral deflector 91, spiral deflector 91 inward flange and described nuclear reactor interlayer body 30 outward flange clearance fit, described lower semisphere bottom 92 is circumscribed with pressure duct 94 and is connected to soldered joint escape hole 69 on soldered joint interchanger 60, described episphere top cover 97 is circumscribed with back pressure pipeline 87 towards the soldered joint back pressure mouth 89 on described soldered joint interchanger 60, soldered joint escape orifice 82 on described soldered joint interchanger 60 there is drain line 28 lead to the lower end in circulating cooling pond 50, soldered joint suction inlet 65 on described soldered joint interchanger 60 there is high pressure suction pipe 56 lead to the upper end in described circulating cooling pond 50, between described circulating cooling pond 50 two ends, arranged crosswise has the straight plate 21 of water conservancy diversion, square hole ports input shaft 77 outer end on described soldered joint interchanger 60 is connected to power source 70,
Described soldered joint interchanger 60 entirety also comprises soldered joint pump body 61, sucks welding end cap 41 and back pressure welding end cap 81, and described soldered joint pump body about 61 both sides have water pump spiral casing 67 and spiral case 66 respectively,
Main body endoporus 63 internal fixtion a pair ceramic bearing 73 cylindrical on described soldered joint pump body 61, ceramic bearing 73 endoporus is fixed wtih square toes main shaft 33, and square toes main shaft about 33 both sides are fixed wtih water pump vane 44 and water machine runner 88 respectively; Described water pump spiral casing 67 has described soldered joint escape hole 69 perpendicular in the tangential direction of described square toes main shaft 33, and the pump head stomidium 64 of described water pump spiral casing 67 welds end cap 41 pump cover step surface 46 with described suction is detachable airtight fastening; Discharge welding end surface 53 on described soldered joint escape hole 69 has and discharges bevel for welding 55, discharge bevel for welding 55 forms one with the corresponding groove welding on pressure duct 94 and encloses airtight discharge soldered 99; Described spiral case 66 has described soldered joint escape orifice 82 perpendicular in the tangential direction of described square toes main shaft 33, and the water machine stomidium 68 of described spiral case 66 welds end cap 81 cover step surface 86 with described back pressure is detachable airtight fastening; Excretion welding end surface 83 on described soldered joint escape orifice 82 has excretion bevel for welding 85, excretion bevel for welding 85 forms one with the corresponding groove welding on described drain line 28 and encloses airtight excretion soldered 58;
Described suction welding end cap 41 there is described soldered joint suction inlet 65 to become to be arranged vertically with described pump cover step surface 46 central axis, described suction welding end cap 41 there is pump cover axis hole 47 to become coaxially arranged with described pump cover step surface 46 central axis, be clearance fit between described pump cover axis hole 47 and described square hole ports input shaft 77, in the packing seal groove 74 on described pump cover axis hole 47, have O-ring seal to press described square hole ports input shaft 77 periphery; The axle head square hole 71 of described square hole ports input shaft 77 lower end slidably coordinates for axis with between the pump end square shaft 31 of described square toes main shaft 33 upper end; Suction welding end surface 43 on described soldered joint suction inlet 65 has and sucks bevel for welding 45, suction bevel for welding 45 forms one with the corresponding groove welding on described high pressure suction pipe 56 and encloses airtight suction soldered 54; Described back pressure welding end cap 81 there is described soldered joint back pressure mouth 89 to become coaxially arranged with described cover step surface 86 central axis, back pressure welding end surface 93 on described soldered joint back pressure mouth 89 has back pressure bevel for welding 95, and back pressure bevel for welding 95 and the corresponding groove welding on described back pressure pipeline 87 form one and enclose airtight back pressure soldered 59.
As further improvement: described spiral deflector (91) outward flange is 10 to 12 degree along forcing the lead angle of cooling cylindrical shell (90) cylinder madial wall.
As further improvement: there is housing internal threads 62 described main body endoporus 63 both sides respectively facing to described water pump spiral casing 67 inner chamber and described spiral case 66 inner chamber, described square toes main shaft 33 water pump side has pump bearing section 35 successively, pump flat key section 34, pump thread segment 32 and described pump end square shaft 31, described square toes main shaft 33 hydraulic turbine side organic bearing section 37 successively, machine thread segment 36 and machine end optical axis 39, described a pair ceramic bearing 73 endoporus respectively with described pump bearing section 35 cylindrical and described machine bearing section 37 cylindrical interference fit, described a pair ceramic bearing 73 cylindrical and described main body endoporus 63 transition fit, pair of bearings tight loop 75 external thread and described housing internal threads 62 regulate ceramic bearing 73 axial location be fixed wtih described in a pair, the runner internal thread 26 of described water machine runner 88 is fastening with described machine thread segment 36 threaded engagement, through hole inner circle 22 and the described pump flat key section 34 cylindrical transition fit of described water pump vane 44, water pump nut 72 and described pump thread segment 32 rotational fastener, for being slidably matched between the square shaft four sides 14 on the square hole wall 13 in described axle head square hole 71 and described pump end square shaft 31.
As further improvement: runner unthreaded hole 29 and the described machine end optical axis 39 of described runner internal thread 26 bottom are slidably matched, described runner unthreaded hole 29 there are six runner screws 15, described machine end optical axis 39 there are five optical axis pin-and-holes 16, retaining pin 19 external thread section and described runner screw 15 rotational fastener, for being slidably matched between described retaining pin 19 straight pin section and described optical axis pin-and-hole 16.
As further improvement: square hole wall 13 degree of depth of described axle head square hole 71 is 46 to 48 millimeters, described square hole wall 13 liang of opposite side distance are from being 26 to 28 millimeters, and described square hole wall 13 port has the square hole groove 23 of 1.5 × 45 degree; Square shaft four sides 14 length of described pump end square shaft 31 are 42 to 44 millimeters, described square hole wall 13 liang of opposite side distance are from being 26 to 28 millimeters, described square shaft four sides 14 ports have the square shaft groove 24 of 1.5 × 45 degree, and four adjacent edges at described square shaft four sides 14 have the square shaft chamfering 17 of 1.5 × 45 degree.
As further improvement: there are 2 blind manipulation notches 76 described bearing tight loop 75 1 side end face.
As further improvement: runner bucket 84 layout angle on described water machine runner 88 becomes 47 to 49 to spend angle with described square toes main shaft 33 rotation, be preferably 48 degree.
In embodiment:
Spiral deflector (91) outward flange is along forcing the lead angle cooling cylindrical shell (90) cylinder madial wall to be 11 degree;
Power source 70 selects variable-frequency motor, and the waterline 25 of the safety anti-explosive water in circulating cooling pond 50 is below packing seal hole 79, and the airtight and watertight padding in packing seal hole 79 presses pilot pipe 98 cylindrical, forms static sealing.
Pressure duct 94 and back pressure pipeline 87 there are water inlet control valve door 96 and outlet water control valve door 78 respectively, are convenient to maintenance process.
The course of work of the present utility model is as follows:
One, soldered joint interchanger 60 is assembled:
1. adopt and a pair ceramic bearing 73 is placed 500 to 525 degree constant temperature enclosures taking-ups after lasting 50 to 58 minutes, within 3 minutes, a pair ceramic bearing 73 of heating is enclosed within pump bearing section 35 and machine bearing section 37 respectively, waits entirety after being cooled to normal temperature to be placed among the main body endoporus 63 on soldered joint pump body 61;
2. pair of bearings tight loop 75 is rotated on the housing internal threads 62 of main body endoporus 63 both sides respectively, adjust tools for alignment blind manipulation notches 76 by socket wrench specially adapted for it to adjust to the right place, guarantee that water pump vane 44 and water machine runner 88 are accurately positioned among water pump spiral casing 67 and spiral case 66 respectively simultaneously;
3. the runner internal thread 26 on water machine runner 88 and machine thread segment 36 rotatable engagement pretension, when 1 the runner screw 15 in the runner screw 15 of 6 on runner unthreaded hole 29 and any 1 the optical axis pin-and-hole 16 in 5 optical axis pin-and-holes 16 on machine end optical axis 39 are on time, by retaining pin 19 external thread section and runner screw 15 rotational fastener, make between retaining pin 19 straight pin section and described optical axis pin-and-hole 16 as being slidably matched.Just can guarantee that retaining pin 19 aims at runner screw 15 and optical axis pin-and-hole 16 simultaneously, realize water machine runner 88 and can bear positive and negative relative to square toes main shaft 33 then can not unclamp, quick and safe;
4. the back pressure welding cover step surface 86 of end cap 81 is aimed at the water machine stomidium 68 of described spiral case 66, and passes through 12 through holes on cover step surface 86 respectively with 12 screws, among airtight 12 screws being fastened on water machine stomidium 68 periphery;
5. the transmission flat key 11 that the keyway on water pump vane 44 through hole is aimed in pump flat key section 34 is pressed into, and makes the through hole inner circle 22 of water pump vane 44 and described pump flat key section 34 cylindrical transition fit;
6. water pump nut 72 and pump thread segment 32 rotational fastener;
7. suck the welding pump cover step surface 46 of end cap 41 to aim at the pump head stomidium 64 of water pump spiral casing 67, and pass through 10 through holes on pump cover step surface 46 respectively with 10 screws, among airtight 10 screws being fastened on pump head stomidium 64 periphery;
8. axle head square hole 71 ecto-entad of square hole ports input shaft 77 passes through the pump cover axis hole 47 sucked on welding end cap 41, and using pump cover axis hole 47 has in packing seal groove 74 has O-ring seal to press described square hole ports input shaft 77 periphery to form motive seal.Utilize square hole wall 13 port to have the square hole groove 23 of 1.5 × 45 degree, and square shaft four sides 14 ports have the square shaft groove 24 of 1.5 × 45 degree, are aimed at by axle head square hole 71 and import on pump end square shaft 31, just can transmitting torque.
Two, soldered joint interchanger 60 pipeline connects:
By the discharge welding end surface 53 on described soldered joint escape hole 69 and discharge bevel for welding 55 and correct to aim at and weld formation one with the corresponding groove on pressure duct 94 and enclose airtight discharge soldered 99;
Excretion welding end surface 83 on described soldered joint escape orifice 82 and excretion bevel for welding 85 thereof are corrected to aim at and weld formation one with the corresponding groove on drain line 28 and encloses airtight excretion soldered 58;
By the suction welding end surface 43 on described soldered joint suction inlet 65 and suck bevel for welding 45 and correct to aim at and weld formation one with the corresponding groove on high pressure suction pipe 56 and enclose airtight suction soldered 54;
Back pressure welding end surface 93 on described soldered joint back pressure mouth 89 and back pressure bevel for welding 95 thereof are corrected to aim at and weld formation one with the corresponding groove on back pressure pipeline 87 and encloses airtight back pressure soldered 59.
Three, soldered joint interchanger 60 operational process:
Start power source 70 high-power driving soldered joint interchanger 60, power source 70 output terminal is fixedly connected square hole ports input shaft 77 upper end, the axle head square hole 71 of square hole ports input shaft 77 lower end slidably coordinates for axis with between the pump end square shaft 31 of described square toes main shaft 33 upper end, square toes main shaft 33 High Rotation Speed described in driving; Then the water pump vane 44 on square toes main shaft 33 and water machine runner 88 High Rotation Speed is driven.
The centrifugal force utilizing water pump vane 44 High Rotation Speed to produce produces negative pressure at soldered joint suction inlet 65 place, sucks the recirculated cooling water in circulating cooling pond 50 through high pressure suction pipe 56, the centrifugal force utilizing water pump vane 44 High Rotation Speed to produce produces high pressure at water pump spiral casing 67 place, the pressure cycling chilled water that soldered joint escape hole 69 is discharged is injected into lower semisphere bottom 92, flowing is accelerated along spiral deflector 91, nuclear reactor interlayer body 30 outside surface is lowered the temperature, lead to the soldered joint back pressure mouth 89 described soldered joint interchanger 60 from back pressure pipeline 87 after flowing through episphere top cover 97, act on the runner bucket 84 on square toes main shaft 33, 48 degree of angles are become with the rotation of square toes main shaft 33 by means of runner bucket 84 layout angle on dampener runner 88, promote water machine runner 88 with identical sense of rotation more High Rotation Speed, square toes main shaft 33 rotational speed is driven to improve 1 percentage point, share power source 70 load and reach 30%, achieve and fall energy object.
Nuclear reactor interlayer body 30 is placed in and forces in cooling cylindrical shell 90, particularly force that cooling cylindrical shell 90 cylinder madial wall has spiral deflector 91 to enhance cooling effect, described episphere top cover 97 is circumscribed with back pressure pipeline 87 towards the soldered joint back pressure mouth 89 on described soldered joint interchanger 60, return pressure can effectively be reclaimed, share power source 70 load and reached 30%, achieved and fall energy object;
Arranged crosswise between the two ends of circulating cooling pond 50 is utilized to have the straight plate 21 of water conservancy diversion, the lower end simultaneously will the soldered joint escape orifice 82 on soldered joint interchanger 60 having drain line 28 lead to circulating cooling pond 50, soldered joint suction inlet 65 on described soldered joint interchanger 60 there is high pressure suction pipe 56 lead to the upper end in described circulating cooling pond 50, recirculated cooling water is fully dispelled the heat.Particularly the overall outside surface of nuclear reactor interlayer body 30 is in the high pressure state of cooling all the time, counteracts the partial high pressure impact of nuclear reactor interlayer body 30 inside.
Soldered joint interchanger 60 one-piece construction of the utility model important step adopts solder design good leak tightness and high pressure resistant, does not produce any seepage.Wherein soldered joint pump body 61 adopts both sides Central Symmetry to be provided with water pump spiral casing 67 and spiral case 66, and mass action power is balanced; Main body endoporus 63 both sides particularly on soldered joint pump body 61 are all provided with housing internal threads 62, adapted pair of bearings tight loop 75 adjusts tools for alignment blind manipulation notches 76 by socket wrench specially adapted for it and adjusts to the right place, guarantee that water pump vane 44 and water machine runner 88 are accurately positioned among water pump spiral casing 67 and spiral case 66 simultaneously respectively, through its energy conversion efficiency of experiment display up to 68%.
The soldered joint interchanger 60 of the utility model important step has six runner screws 15 to misplace corresponding with five optical axis pin-and-holes 16 on machine end optical axis 39 on the runner unthreaded hole 29 of water machine runner 88, guarantee that between the runner internal thread 26 of water machine runner 88 and machine thread segment 36, small rotation regulates, just can guarantee that retaining pin 19 aims at runner screw 15 and optical axis pin-and-hole 16 simultaneously, realize water machine runner 88 can bear positive and negative relative to square toes main shaft 33 then can not unclamp, quick and safe.
The soldered joint interchanger 60 of the utility model important step is also provided with pump end square shaft 31 and is slidably matched with the axle head square hole 71 of square hole ports input shaft 77 in pump thread segment 32 outer end of square toes main shaft 33, achieve external impetus input; Described square hole wall 13 port has the square hole groove 23 of 1.5 × 45 degree, and described square shaft four sides 14 ports have the square shaft groove 24 of 1.5 × 45 degree, is convenient to axle head square hole 71 and aims at pump end square shaft 31 and import; Four adjacent edges at particularly square shaft four sides 14 there is the square shaft chamfering 17 of 1.5 × 45 degree, guarantees square shaft precision-fit transmitting large torque between 14 and square hole wall 13 on four sides.
Claims (4)
1. a soldered joint nuclear reactor cooling package, nuclear reactor interlayer body (30) runners is positioned at lower semisphere bottom (92) inner chamber, described lower semisphere bottom (92) bottom outer surface there is support foot rest (20) be placed on pond at the bottom of reactor (10) baseplane, described lower semisphere bottom (92) top has flange seal to be fixed wtih pressure cooling cylindrical shell (90), described pressure cooling cylindrical shell (90) top has flange seal to be fixed wtih episphere top cover (97), episphere top cover (97) top is outside upper packing seal hole (79), airtight and watertight padding hermetic seal in described packing seal hole (79) pilot pipe (98) cylindrical at described nuclear reactor interlayer body (30) top, it is characterized in that: described pressure cooling cylindrical shell (90) cylinder madial wall has spiral deflector (91), spiral deflector (91) inward flange and described nuclear reactor interlayer body (30) outward flange clearance fit, described lower semisphere bottom (92) is circumscribed with pressure duct (94) and is connected to soldered joint escape hole (69) on soldered joint interchanger (60), described episphere top cover (97) is circumscribed with back pressure pipeline (87) towards the soldered joint back pressure mouth (89) on described soldered joint interchanger (60), soldered joint escape orifice (82) on described soldered joint interchanger (60) there is drain line (28) towards the lower end of circulating cooling pond (50), soldered joint suction inlet (65) on described soldered joint interchanger (60) there is high pressure suction pipe (56) towards the upper end in described circulating cooling pond (50), between described circulating cooling pond (50) two ends, arranged crosswise has the straight plate of water conservancy diversion (21), square hole ports input shaft (77) outer end on soldered joint interchanger (60) is connected to power source (70),
Described soldered joint interchanger (60) entirety also comprises soldered joint pump body (61), sucks welding end cap (41) and back pressure welding end cap (81), described soldered joint pump body (61) has water pump spiral casing (67) and spiral case (66) in both sides up and down respectively, main body endoporus (63) internal fixtion a pair ceramic bearing (73) cylindrical on described soldered joint pump body (61), ceramic bearing (73) endoporus is fixed wtih square toes main shaft (33), and square toes main shaft (33) is fixed wtih water pump vane (44) and water machine runner (88) in both sides up and down respectively; Described water pump spiral casing (67) has described soldered joint escape hole (69) perpendicular in the tangential direction of described square toes main shaft (33), and the pump head stomidium (64) of described water pump spiral casing (67) welds end cap (41) pump cover step surface (46) with described suction is detachable airtight fastening; Discharge welding end surface (53) on described soldered joint escape hole (69) has discharge bevel for welding (55), and discharge bevel for welding (55) forms one with the corresponding groove welding on pressure duct (94) and encloses airtight discharge soldered (99); Described spiral case (66) has described soldered joint escape orifice (82) perpendicular in the tangential direction of described square toes main shaft (33), and the water machine stomidium (68) of described spiral case (66) welds end cap (81) cover step surface (86) with described back pressure is detachable airtight fastening; Excretion welding end surface (83) on described soldered joint escape orifice (82) has excretion bevel for welding (85), and excretion bevel for welding (85) forms one with the corresponding groove welding on described drain line (28) and encloses airtight excretion soldered (58);
Described suction welding end cap (41) there is described soldered joint suction inlet (65) to become to be arranged vertically with described pump cover step surface (46) central axis, described suction welding end cap (41) there is pump cover axis hole (47) to become coaxially arranged with described pump cover step surface (46) central axis, be clearance fit between described pump cover axis hole (47) and described square hole ports input shaft (77), in the packing seal groove (74) on described pump cover axis hole (47), have O-ring seal to press described square hole ports input shaft (77) periphery; The axle head square hole (71) of described square hole ports input shaft (77) lower end slidably coordinates for axis with between the pump end square shaft (31) of described square toes main shaft (33) upper end; Suction welding end surface (43) on described soldered joint suction inlet (65) has suction bevel for welding (45), and suction bevel for welding (45) forms one with the corresponding groove welding on described high pressure suction pipe (56) and encloses airtight suction soldered (54); Described back pressure welding end cap (81) there is described soldered joint back pressure mouth (89) to become coaxially arranged with described cover step surface (86) central axis, back pressure welding end surface (93) on described soldered joint back pressure mouth (89) has back pressure bevel for welding (95), and back pressure bevel for welding (95) and the corresponding groove welding on described back pressure pipeline (87) form one and enclose airtight back pressure soldered (59).
2. a kind of soldered joint nuclear reactor cooling package according to claim 1, is characterized in that: described spiral deflector (91) outward flange is 10 to 12 degree along forcing the lead angle of cooling cylindrical shell (90) cylinder madial wall.
3. a kind of soldered joint nuclear reactor cooling package according to claim 1, it is characterized in that: there is housing internal threads (62) described main body endoporus (63) both sides respectively facing to described water pump spiral casing (67) inner chamber and described spiral case (66) inner chamber, described square toes main shaft (33) water pump side has pump bearing section (35) successively, pump flat key section (34), pump thread segment (32) and described pump end square shaft (31), described square toes main shaft (33) hydraulic turbine side organic bearing section (37) successively, machine thread segment (36) and machine end optical axis (39), described a pair ceramic bearing (73) endoporus respectively with described pump bearing section (35) cylindrical and described machine bearing section (37) cylindrical interference fit, described a pair ceramic bearing (73) cylindrical and described main body endoporus (63) transition fit, pair of bearings tight loop (75) external thread and described housing internal threads (62) regulate ceramic bearing (73) axial location be fixed wtih described in a pair, the runner internal thread (26) of described water machine runner (88) is fastening with described machine thread segment (36) threaded engagement, through hole inner circle (22) and described pump flat key section (34) the cylindrical transition fit of described water pump vane (44), water pump nut (72) and described pump thread segment (32) rotational fastener, the square hole wall (13) in described axle head square hole (71) and the square shaft on described pump end square shaft (31) on four sides between (14) for being slidably matched.
4. a kind of soldered joint nuclear reactor cooling package according to claim 3, it is characterized in that: runner unthreaded hole (29) and the described machine end optical axis (39) of described runner internal thread (26) bottom are slidably matched, described runner unthreaded hole (29) there are six runner screws (15), described machine end optical axis (39) there are five optical axis pin-and-holes (16), retaining pin (19) external thread section and described runner screw (15) rotational fastener, for being slidably matched between described retaining pin (19) straight pin section and described optical axis pin-and-hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420514276.7U CN204045220U (en) | 2014-09-09 | 2014-09-09 | A kind of soldered joint nuclear reactor cooling package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420514276.7U CN204045220U (en) | 2014-09-09 | 2014-09-09 | A kind of soldered joint nuclear reactor cooling package |
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| Publication Number | Publication Date |
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| CN204045220U true CN204045220U (en) | 2014-12-24 |
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|---|---|---|---|
| CN201420514276.7U Expired - Fee Related CN204045220U (en) | 2014-09-09 | 2014-09-09 | A kind of soldered joint nuclear reactor cooling package |
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| Country | Link |
|---|---|
| CN (1) | CN204045220U (en) |
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2014
- 2014-09-09 CN CN201420514276.7U patent/CN204045220U/en not_active Expired - Fee Related
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