CN204045219U - A kind of nuclear reactor connects high pressure cooling device by appointing - Google Patents
A kind of nuclear reactor connects high pressure cooling device by appointing Download PDFInfo
- Publication number
- CN204045219U CN204045219U CN201420514275.2U CN201420514275U CN204045219U CN 204045219 U CN204045219 U CN 204045219U CN 201420514275 U CN201420514275 U CN 201420514275U CN 204045219 U CN204045219 U CN 204045219U
- Authority
- CN
- China
- Prior art keywords
- appointing
- spline
- back pressure
- nuclear reactor
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a kind of nuclear reactor cooling equipment, a kind of nuclear reactor connects high pressure cooling device by appointing, 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 be connected to by appoint connect on energy exchange equipment by appoint an escape hole, episphere top cover is circumscribed with back pressure pipeline lead to by appoint connect on energy exchange equipment by appoint a back pressure interface.
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 nuclear reactor and connects high pressure cooling device by appointing.
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 nuclear reactor connects high pressure cooling device by appointing, 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 be connected to by appoint connect on energy exchange equipment by appoint an escape hole, described episphere top cover is circumscribed with back pressure pipeline lead to described by appoint connect on energy exchange equipment by appointing a back pressure interface, described by appointing to connect energy exchange equipment has drain line to lead to the lower end in circulating cooling pond by appointing on escape orifice, described by appointing to connect energy exchange equipment has high pressure suction pipe to lead to the upper end in described circulating cooling pond by appointing on inhalation interface, between described circulating cooling pond two ends, arranged crosswise has the straight plate of water conservancy diversion, power source is connected to by appointing the splined input shaft outer end connect on energy exchange equipment,
Described connect energy exchange Whole Equipment also comprise by appointing an interface agent, sucking by appointing end cap and back pressure by appointing an end cap by appointing, described has water pump spiral casing and spiral case respectively by a upper and lower both sides of interface agent, described main body endoporus internal fixtion a pair ceramic bearing cylindrical by appointing on interface agent, ceramic bearing hole is fixed wtih spline spindle, and the upper and lower both sides of spline spindle are fixed wtih water pump vane and water machine runner respectively;
Perpendicular to the tangential direction of described spline spindle having by appointing escape hole on described water pump spiral casing, the pump head stomidium of described water pump spiral casing and described suction are by appointing the pump cover step surface of end cap detachable airtight fastening; Described has discharge by appointing an inclined-plane by appointing on escape hole, discharge by appointing the beveled outer edge back side to be discharge external thread, pressure duct termination there is high-voltage tube by the high-voltage tube step bulge loop of appointing cambered surface and the outer rim back side thereof, discharge and have discharge enclose internal thread and discharge circle step scrobicular ring by appointing on outer ring, described discharge circle internal thread and described discharge external thread threaded engagement, described discharge circle step scrobicular ring coordinates with described high-voltage tube step bulge loop rotary sliding; Perpendicular to the tangential direction of described spline spindle having by appointing escape orifice on described spiral case, the water machine stomidium of described spiral case and described back pressure are by appointing the cover step surface of end cap detachable airtight fastening; Described has excretion by appointing inclined-plane by appointing on escape orifice, drain by appointing the beveled outer edge back side to be excretion external thread, drain line termination there is waste pipe by the waste pipe step bulge loop of appointing cambered surface and the outer rim back side thereof, drain and have excretion circle internal thread and excretion circle step scrobicular ring by appointing on outer ring, described excretion external thread and described excretion circle internal thread threaded engagement, described excretion circle step scrobicular ring coordinates with described waste pipe step bulge loop rotary sliding;
Described suction by appoint end cap has described by appointing an inhalation interface to become to be arranged vertically with described pump cover step surface central axis, described suction has pump cover axis hole to become coaxially arranged with described pump cover step surface central axis by appointing on end cap, be clearance fit between described pump cover axis hole and described splined input shaft, in the packing seal groove on described pump cover axis hole, have O-ring seal to press described splined input shaft periphery, the spline perforation of described splined input shaft lower end slidably coordinates for axis with between the spline tooth axle of described spline spindle upper end, described has suction by appointing an inclined-plane by appointing on inhalation interface, suck by appointing the beveled outer edge back side to be suck external thread, described high pressure pipette tip there is suction pipe by the suction pipe step bulge loop of appointing cambered surface and the outer rim back side thereof, suck and have suction enclose internal thread and suck circle step scrobicular ring by appointing on outer ring, described suction circle internal thread and described suction external thread threaded engagement, described suction circle step scrobicular ring coordinates with described suction pipe step bulge loop rotary sliding, described back pressure by appoint end cap has described by appointing a back pressure interface to become coaxially arranged with described cover step surface central axis, described has back pressure by appointing inclined-plane by appointing on back pressure interface, back pressure is by appointing the beveled outer edge back side to be back pressure external thread, described back pressure pipeline termination there is the back pressure pipe step bulge loop at back pressure Guan Youren cambered surface and the outer rim back side thereof, back pressure has back pressure circle internal thread and back pressure circle step scrobicular ring by appointing on outer ring, described back pressure external thread and described back pressure circle internal thread rotatable engagement, described back pressure circle step scrobicular ring coordinates with described back pressure pipe step bulge loop rotary sliding.
As further improvement: described spiral deflector outward flange is 22 to 24 degree along forcing the lead angle cooling cylindrical shell 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 spline spindle water pump side has pump bearing section successively, pump flat key section, pump thread segment and described spline tooth axle, water pump nut and described pump thread segment rotational fastener, described spline spindle 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, the recessed tooth of spline in described spline perforation and between the spline double wedge on described spline tooth axle for being slidably matched, have technique relief groove bottom the recessed tooth of described spline.
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 nine runner screws, described machine end optical axis there are two 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.
As further improvement: the recessed tooth depth of described spline is 54 to 56 millimeters, the tooth two sides width of the recessed tooth of described spline is 5 to 6 millimeters, and the tooth two sides port of the recessed tooth of described spline has the recessed tooth groove of 1 × 45 degree; Described spline protruded tine length is 42 to 44 millimeters, the tooth two sides width of described spline double wedge is 5 to 6 millimeters, the tooth two sides port of described spline double wedge has the double wedge groove of 1 × 45 degree, for being slidably matched between described spline double wedge and the recessed tooth of described spline, and leave crest clearance and internal diameter gap between described spline double wedge and the recessed tooth of described spline.
As further improvement: there are six blind manipulation notches described bearing tight loop one side end face.
The beneficial effects of the utility model are:
In the pressure cooling cylindrical shell that nuclear reactor interlayer body is laid, particularly force that cooling cylindrical shell cylinder madial wall has spiral deflector, spiral deflector outward flange is that 22 to 24 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 lead to described by appoint connect on energy exchange equipment by appointing a back pressure interface, 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, by by appointing to connect energy exchange equipment there is drain line to lead to the lower end in circulating cooling pond by appointing on escape orifice simultaneously, described by appointing to connect energy exchange equipment has high pressure suction pipe to lead to the upper end in described circulating cooling pond by appointing on inhalation interface, and recirculated cooling water is fully dispelled the heat;
The connecing energy exchange equipment overall structure and adopt by appointing and connect airtight fixed installation conveniently by appointing of the utility model important step, can adapt to pipeline has certain not linearity, can freely be connected and fixed arbitrarily.Wherein by appointing interface agent to adopt both sides Central Symmetry to be provided with water pump spiral casing and spiral case, mass action power is balanced; Particularly all be provided with housing internal threads by the main body endoporus both sides of appointing on interface agent, 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 connecing energy exchange equipment have nine runner screws to misplace corresponding with two optical axis pin-and-holes on machine end optical axis on the runner unthreaded hole of water machine runner by appointing of the utility model important step, 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 spline spindle then can not unclamp, quick and safe;
The connecing the spline perforation that energy exchange equipment is also provided with spline tooth axle and splined input shaft in the pump thread segment outer end of spline spindle be slidably matched by appointing of the utility model important step, achieves external impetus input; And have technique relief groove bottom the recessed tooth of described spline, be convenient to the recessed tooth of processing spline; The tooth two sides port of the recessed tooth of described spline has the recessed tooth groove of 1 × 45 degree; the tooth two sides port of described spline double wedge has the double wedge groove of 1 × 45 degree; and leave crest clearance and internal diameter gap between described spline double wedge and the recessed tooth of described spline; be convenient to spline perforation when assembling is convenient to aim at spline tooth axle and import, guarantee precision-fit transmitting large torque between spline double wedge and the recessed tooth of spline.
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 by appointing the diagrammatic cross-section connecing energy exchange equipment 60 in Fig. 1.
Fig. 5 be in Fig. 4 by appoint interface agent 61 diagrammatic cross-section.
Fig. 6 is that suction in Fig. 4 is by appointing end cap 41 diagrammatic cross-section.
Fig. 7 is that back pressure in Fig. 4 is by appointing end cap 81 diagrammatic cross-section.
Fig. 8 is that discharge in Fig. 4 is by appointing outer ring 99 diagrammatic cross-section.
Fig. 9 is that high-voltage tube on pressure duct 94 termination in Fig. 4 is by appointing cambered surface 941 and high-voltage tube step bulge loop 194 diagrammatic cross-section.
Figure 10 is that excretion in Fig. 4 is by appointing outer ring 58 diagrammatic cross-section.
Figure 11 is that waste pipe on drain line 28 termination in Fig. 4 is by appointing cambered surface 281 and waste pipe step bulge loop 128 diagrammatic cross-section.
Figure 12 is that back pressure in Fig. 4 is by appointing outer ring 59 diagrammatic cross-section.
Figure 13 is back pressure Guan Youren cambered surface 781 on back pressure pipeline 87 termination in Fig. 4 and back pressure pipe step bulge loop 178 diagrammatic cross-section.
Figure 14 is that suction in Fig. 4 is by appointing outer ring 54 diagrammatic cross-section.
Figure 15 is that suction pipe on high pressure suction pipe 56 termination in Fig. 4 is by appointing cambered surface 561 and suction pipe step bulge loop 156 diagrammatic cross-section.
Figure 16 is enlarged local section schematic diagram residing for the water pump nut 72 in Fig. 1.
Figure 17 is the A-A sectional view in Figure 16.
Figure 18 is the B-B sectional view in Figure 16.
Figure 19 is the C-C sectional view in Figure 16.
Figure 20 is the spline perforation 71 position enlarged drawing of splined input shaft 77 in Figure 16.
Figure 21 is pump flat key section 34 and the transmission flat key 11 position enlarged drawing of spline spindle 33 in Figure 16.
Figure 22 is enlarged local section schematic diagram residing for the retaining pin 19 in Fig. 1.
Figure 23 is the D-D sectional view in Figure 22.
Figure 24 is the machine thread segment 36 position enlarged drawing of spline spindle 33 in Figure 22.
Figure 25 is the runner internal thread 26 position profile of Figure 22 moderate water apparatus runner 88.
Figure 26 is bearing tight loop 75 diagrammatic cross-section in Fig. 4.
Figure 27 is bearing tight loop 75 vertical view in Figure 26.
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 nuclear reactor connects high pressure cooling device by appointing, 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 be connected to by appoint connect on energy exchange equipment 60 by appoint an escape hole 69, described episphere top cover 97 is circumscribed with back pressure pipeline 87 lead to described by appoint connect on energy exchange equipment 60 by appointing a back pressure interface 89, described by appointing to connect energy exchange equipment 60 has drain line 28 to lead to the lower end in circulating cooling pond 50 by appointing on escape orifice 82, described by appointing to connect energy exchange equipment 60 has high pressure suction pipe 56 to lead to the upper end in described circulating cooling pond 50 by appointing on inhalation interface 65, between described circulating cooling pond 50 two ends, arranged crosswise has the straight plate 21 of water conservancy diversion, power source 70 is connected to by appointing splined input shaft 77 outer end connect on energy exchange equipment 60,
Described connect energy exchange equipment 60 entirety also comprise by appointing an interface agent 61, sucking by appointing end cap 41 and back pressure by appointing an end cap 81 by appointing, described has water pump spiral casing 67 and spiral case 66 respectively by interface agent about 61 both sides, described main body endoporus 63 internal fixtion a pair ceramic bearing 73 cylindrical by appointing on interface agent 61, ceramic bearing 73 endoporus is fixed wtih spline spindle 33, and spline spindle about 33 both sides are fixed wtih water pump vane 44 and water machine runner 88 respectively;
Perpendicular to the tangential direction of described spline spindle 33 having by appointing escape hole 69 on described water pump spiral casing 67, the pump head stomidium 64 of described water pump spiral casing 67 is detachable airtight fastening by the pump cover step surface 46 of an end cap 41 with described suction; Described has discharge by appointing an inclined-plane 53 by appointing on escape hole 69, discharge by appointing the outer rim back side, inclined-plane 53 to be discharge external thread 55, pressure duct 94 termination there is high-voltage tube by the high-voltage tube step bulge loop 194 of appointing cambered surface 941 and the outer rim back side thereof, discharge and have discharge enclose internal thread 991 and discharge circle step scrobicular ring 199 by appointing on outer ring 99, described discharge circle internal thread 991 and described discharge external thread 55 threaded engagement, described discharge circle step scrobicular ring 199 coordinates with described high-voltage tube step bulge loop 194 rotary sliding; Perpendicular to the tangential direction of described spline spindle 33 having by appointing escape orifice 82 on described spiral case 66, the water machine stomidium 68 of described spiral case 66 is detachable airtight fastening by the cover step surface 86 of an end cap 81 with described back pressure; Described has excretion by appointing inclined-plane 83 by appointing on escape orifice 82, drain by appointing the outer rim back side, inclined-plane 83 to be excretion external thread 85, drain line 28 termination there is waste pipe by the waste pipe step bulge loop 128 of appointing cambered surface 281 and the outer rim back side thereof, drain and have excretion circle internal thread 581 and excretion circle step scrobicular ring 158 by appointing on outer ring 58, described excretion external thread 85 and described excretion circle internal thread 581 threaded engagement, described excretion circle step scrobicular ring 158 coordinates with described waste pipe step bulge loop 128 rotary sliding;
Described suction by appoint end cap 41 has described by appointing an inhalation interface 65 to become to be arranged vertically with described pump cover step surface 46 central axis, described suction has pump cover axis hole 47 to become coaxially arranged with described pump cover step surface 46 central axis by appointing on end cap 41, be clearance fit between described pump cover axis hole 47 and described splined input shaft 77, in the packing seal groove 74 on described pump cover axis hole 47, have O-ring seal to press described splined input shaft 77 periphery, the spline perforation 71 of described splined input shaft 77 lower end slidably coordinates for axis with between the spline tooth axle 31 of described spline spindle 33 upper end, described has suction by appointing an inclined-plane 43 by appointing on inhalation interface 65, suck by appointing the outer rim back side, inclined-plane 43 to be suck external thread 45, described high pressure suction pipe 56 termination there is suction pipe by the suction pipe step bulge loop 156 of appointing cambered surface 561 and the outer rim back side thereof, suck and have suction enclose internal thread 541 and suck circle step scrobicular ring 154 by appointing on outer ring 54, described suction circle internal thread 541 and described suction external thread 45 threaded engagement, described suction circle step scrobicular ring 154 coordinates with described suction pipe step bulge loop 156 rotary sliding, described back pressure by appoint end cap 81 has described by appointing a back pressure interface 89 to become coaxially arranged with described cover step surface 86 central axis, described has back pressure by appointing inclined-plane 93 by appointing on back pressure interface 89, back pressure is by appointing the outer rim back side, inclined-plane 93 to be back pressure external thread 95, described back pressure pipeline 87 termination there is the back pressure pipe step bulge loop 178 at back pressure Guan Youren cambered surface 781 and the outer rim back side thereof, back pressure has back pressure circle internal thread 591 and back pressure circle step scrobicular ring 159 by appointing on outer ring 59, described back pressure external thread 95 and described back pressure circle internal thread 591 rotatable engagement, described back pressure circle step scrobicular ring 159 coordinates with described back pressure pipe step bulge loop 178 rotary sliding.
As further improvement: described spiral deflector 91 outward flange is 22 to 24 degree along forcing the lead angle 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 spline spindle 33 water pump side has pump bearing section 35 successively, pump flat key section 34, pump thread segment 32 and described spline tooth axle 31, water pump nut 72 and described pump thread segment 32 rotational fastener, described spline spindle 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, the recessed tooth of spline 13 in described spline perforation 71 and between the spline double wedge 14 on described spline tooth axle 31 for being slidably matched, have technique relief groove 18 bottom the recessed tooth 13 of described spline.
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 nine runner screws 15, described machine end optical axis 39 there are two 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: described spline recessed tooth 13 degree of depth is 54 to 56 millimeters, the tooth two sides width of the recessed tooth 13 of described spline is 5 to 6 millimeters, and the tooth two sides port of the recessed tooth of described spline 13 has the recessed tooth groove 23 of 1 × 45 degree; Described spline double wedge 14 length is 42 to 44 millimeters, the tooth two sides width of described spline double wedge 14 is 5 to 6 millimeters, the tooth two sides port of described spline double wedge 14 has the double wedge groove 24 of 1 × 45 degree, for being slidably matched between described spline double wedge 14 and the recessed tooth 13 of described spline, and leave crest clearance 17 and internal diameter gap 27 between described spline double wedge 14 and the recessed tooth 13 of described spline.
As further improvement: there are six 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 44 to 46 to spend angle with described spline spindle 33 rotation.
In embodiment:
Spiral deflector 91 outward flange is along forcing the lead angle cooling cylindrical shell 90 cylinder madial wall to be 23 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, connect energy exchange equipment 60 assemble by appointing:
1. for avoiding bearing high temperature to cause annealing effect mechanical property, adopt and spline spindle 33 artificial hypothermia is continued to take out for 12 to 13 minutes to subzero 190 to 195 degree, within 1 minute, a pair ceramic bearing 73 is enclosed within pump bearing section 35 and machine bearing section 37 respectively, entirety is placed on by among the main body endoporus 63 of appointing on interface agent 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 nine on runner unthreaded hole 29 and any 1 the optical axis pin-and-hole 16 in 2 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 can bear positive and negative relative to spline spindle 33 then can not unclamp, quick and safe,
4. back pressure is aimed at the water machine stomidium 68 of described spiral case 66 by appointing the cover step surface 86 of end cap 81, 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 by appointing the 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. spline perforation 71 ecto-entad of splined input shaft 77 passes through the pump cover axis hole 47 sucked by appointing on end cap 41, and using pump cover axis hole 47 has in packing seal groove 74 has O-ring seal to press described splined input shaft 77 periphery to form motive seal.
Utilize the tooth two sides port of the recessed tooth of spline 13 to have the recessed tooth groove 23 of 1 × 45 degree, and the tooth two sides port of spline double wedge 14 has the double wedge groove 24 of 1 × 45 degree, spline perforation 71 is aimed at and imports on spline tooth axle 31.
Two, the connection of energy exchange equipment 60 pipeline is connect by appointing:
Power source 70 output terminal is fixedly connected by appointing splined input shaft 77 outer end connecing energy exchange equipment 60;
Described by appointing to connect energy exchange equipment 60 has drain line 28 to lead to the lower end in circulating cooling pond 50 by appointing on escape orifice 82, and described by appointing to connect energy exchange equipment 60 has high pressure suction pipe 56 to lead to the upper end in described circulating cooling pond 50 by appointing on inhalation interface 65; In circulating cooling pond 50, retaining 5000 cubes is as recirculated cooling water.
In advance the suction circle step scrobicular ring 154 sucked by appointing on outer ring 54 is inserted in described suction pipe step bulge loop 156, again described suction pipe is aimed at described suction by appointing inclined-plane 43 by appointing cambered surface 561, finally described suction circle internal thread 541 being tightened with described suction external thread 45 spiral, making described suction pipe be close to sealing with described suction by appointing inclined-plane 43 by appointing cambered surface 561;
In advance the discharge circle step scrobicular ring 199 of discharging by appointing on outer ring 99 is inserted in described high-voltage tube step bulge loop 194, again described high-voltage tube is aimed at described discharge by appointing inclined-plane 53 by appointing cambered surface 941, finally described discharge circle internal thread 991 being tightened with described discharge external thread 55 spiral, making described high-voltage tube be close to sealing with described discharge by appointing inclined-plane 53 by appointing cambered surface 941;
In advance excretion is inserted in described waste pipe step bulge loop 128 by the excretion circle step scrobicular ring 158 of appointing on outer ring 58, again described waste pipe is aimed at described excretion by appointing inclined-plane 83 by appointing cambered surface 281, finally described excretion circle internal thread 581 being tightened with described excretion external thread 85 spiral, making described waste pipe be close to sealing with described excretion by appointing inclined-plane 83 by appointing cambered surface 281;
In advance back pressure is inserted in described back pressure pipe step bulge loop 178 by the back pressure circle step scrobicular ring of appointing on outer ring 59, again described back pressure Guan Youren cambered surface 781 is aimed at described back pressure by appointing inclined-plane 93, finally described back pressure circle internal thread 591 being tightened with described back pressure external thread 95 spiral, making described back pressure Guan Youren cambered surface 781 be close to sealing with described back pressure by appointing inclined-plane 93.
Three, energy exchange equipment 60 operational process is connect by appointing:
Start power source 70 high-power driving and connect energy exchange equipment 60 by appointing, power source 70 output terminal is fixedly connected splined input shaft 77 upper end, the spline perforation 71 of splined input shaft 77 lower end slidably coordinates for axis with between the spline tooth axle 31 of described spline spindle 33 upper end, spline spindle 33 High Rotation Speed described in driving; Then the water pump vane 44 on spline spindle 33 and water machine runner 88 High Rotation Speed is driven.
The centrifugal force utilizing water pump vane 44 High Rotation Speed to produce, by appointing inhalation interface 65 to produce negative pressure, 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, lower semisphere bottom 92 is injected into by by the pressure cycling chilled water of appointing escape hole 69 to discharge, flowing is accelerated along spiral deflector 91, nuclear reactor interlayer body 30 outside surface is lowered the temperature, after flowing through episphere top cover 97 from back pressure pipeline 87 lead to described by appoint connect energy exchange equipment 60 by appointing a back pressure interface 89, act on the runner bucket 84 on spline spindle 33, by means of runner bucket 84 layout angle on dampener runner 88 and spline spindle 33 rotation in angle of 45 degrees, promote water machine runner 88 with identical sense of rotation more High Rotation Speed, spline spindle 33 rotational speed is driven to improve 1 percentage point, share power source 70 load and reach 30%, achieve and fall energy object.
In the pressure cooling cylindrical shell 90 that nuclear reactor interlayer body 30 is laid, 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 lead to described by appoint connect on energy exchange equipment 60 by appointing a back pressure interface 89, 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, by by appointing to connect energy exchange equipment 60 there is drain line 28 to lead to the lower end in circulating cooling pond 50 by appointing on escape orifice 82 simultaneously, described by appointing to connect energy exchange equipment 60 has high pressure suction pipe 56 to lead to the upper end in described circulating cooling pond 50 by appointing on inhalation interface 65, and 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.
The connecing energy exchange equipment 60 one-piece construction and adopt by appointing and connect airtight fixed installation conveniently by appointing of the utility model important step, can adapt to pipeline has certain flexibility, can freely be connected and fixed arbitrarily.Wherein by appointing interface agent 61 to adopt both sides Central Symmetry to be provided with water pump spiral casing 67 and spiral case 66, mass action power is balanced; Particularly all be provided with housing internal threads 62 by main body endoporus 63 both sides of appointing on interface agent 61, 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 connecing energy exchange equipment 60 have nine runner screws 15 to misplace corresponding with 2 optical axis pin-and-holes 16 on machine end optical axis 39 on the runner unthreaded hole 29 of water machine runner 88 by appointing of the utility model important step, 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 spline spindle 33 then can not unclamp, quick and safe.
The connecing energy exchange equipment 60 and to be also provided with spline tooth axle 31 by appointing in pump thread segment 32 outer end of spline spindle 33 and to be slidably matched with the spline perforation 71 of splined input shaft 77 of the utility model important step, achieves external impetus input; And have technique relief groove 18 bottom the recessed tooth 13 of described spline, be convenient to the recessed tooth 13 of processing spline; The tooth two sides port of the recessed tooth of described spline 13 has the recessed tooth groove 23 of 1 × 45 degree; the tooth two sides port of described spline double wedge 14 has the double wedge groove 24 of 1 × 45 degree; and leave crest clearance 17 and internal diameter gap 27 between described spline double wedge 14 and the recessed tooth 13 of described spline; be convenient to spline perforation 71 when assembling is convenient to aim at spline tooth axle 31 and import, guarantee precision-fit transmitting large torque between spline double wedge 14 and the recessed tooth 13 of spline.
Claims (6)
1. a nuclear reactor connects high pressure cooling device by appointing, 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) be connected to by appoint connect on energy exchange equipment (60) by appoint an escape hole (69), described episphere top cover (97) is circumscribed with back pressure pipeline (87) towards described by appoint connect on energy exchange equipment (60) by appointing a back pressure interface (89), described by appointing to connect energy exchange equipment (60) has drain line (28) towards the lower end of circulating cooling pond (50) by appointing on escape orifice (82), described by appointing to connect energy exchange equipment (60) has high pressure suction pipe (56) towards the upper end in described circulating cooling pond (50) by appointing on inhalation interface (65), between described circulating cooling pond (50) two ends, arranged crosswise has the straight plate of water conservancy diversion (21), power source (70) is connected to by appointing splined input shaft (77) outer end connect on energy exchange equipment (60),
Described connect energy exchange equipment (60) entirety also comprise by appointing an interface agent (61), sucking by appointing end cap (41) and back pressure by an end cap (81) by appointing, described has water pump spiral casing (67) and spiral case (66) in both sides up and down respectively by an interface agent (61), described main body endoporus (63) internal fixtion a pair ceramic bearing (73) cylindrical by appointing on interface agent (61), ceramic bearing (73) endoporus is fixed wtih spline spindle (33), and spline spindle (33) is fixed wtih water pump vane (44) and water machine runner (88) in both sides up and down respectively;
Described by appointing an escape hole (69) perpendicular to the tangential direction of described spline spindle (33) has on described water pump spiral casing (67), the pump head stomidium (64) of described water pump spiral casing (67) with described suction by appointing the pump cover step surface (46) of end cap (41) detachable airtight fastening, described has discharge by appointing an inclined-plane (53) by appointing on escape hole (69), discharge by appointing inclined-plane (53) the outer rim back side to be discharge external thread (55), described pressure duct (94) termination there is high-voltage tube by the high-voltage tube step bulge loop (194) of appointing cambered surface (941) and the outer rim back side thereof, discharge and have discharge circle internal thread (991) and discharge circle step scrobicular ring (199) by appointing on outer ring (99), described discharge circle internal thread (991) and described discharge external thread (55) threaded engagement, described discharge circle step scrobicular ring (199) coordinates with described high-voltage tube step bulge loop (194) rotary sliding, described by appointing an escape orifice (82) perpendicular to the tangential direction of described spline spindle (33) has on described spiral case (66), the water machine stomidium (68) of described spiral case (66) with described back pressure by appointing the cover step surface (86) of end cap (81) detachable airtight fastening, described has excretion by appointing inclined-plane (83) by appointing on escape orifice (82), drain by appointing inclined-plane (83) the outer rim back side to be excretion external thread (85), described drain line (28) termination there is waste pipe by the waste pipe step bulge loop (128) of appointing cambered surface (281) and the outer rim back side thereof, drain and have excretion circle internal thread (581) and excretion circle step scrobicular ring (158) by appointing on outer ring (58), described excretion external thread (85) and described excretion circle internal thread (581) threaded engagement, described excretion circle step scrobicular ring (158) coordinates with described waste pipe step bulge loop (128) rotary sliding,
Described suction by appoint end cap (41) has described by appointing an inhalation interface (65) to become to be arranged vertically with described pump cover step surface (46) central axis, described suction has pump cover axis hole (47) to become coaxially arranged with described pump cover step surface (46) central axis by appointing on end cap (41), be clearance fit between described pump cover axis hole (47) and described splined input shaft (77), in the packing seal groove (74) on described pump cover axis hole (47), have O-ring seal to press described splined input shaft (77) periphery, slidably coordinate for axis between the spline perforation (71) of described splined input shaft (77) lower end and the spline tooth axle (31) of described spline spindle (33) upper end, described has suction by appointing an inclined-plane (43) by appointing on inhalation interface (65), suck by appointing inclined-plane (43) the outer rim back side to be suck external thread (45), described high pressure suction pipe (56) termination there is suction pipe by the suction pipe step bulge loop (156) of appointing cambered surface (561) and the outer rim back side thereof, suck and have suction circle internal thread (541) and suction circle step scrobicular ring (154) by appointing on outer ring (54), described suction circle internal thread (541) and described suction external thread (45) threaded engagement, described suction circle step scrobicular ring (154) coordinates with described suction pipe step bulge loop (156) rotary sliding, described back pressure by appoint end cap (81) has described by appointing a back pressure interface (89) to become coaxially arranged with described cover step surface (86) central axis, described has back pressure by appointing inclined-plane (93) by appointing on back pressure interface (89), back pressure is by appointing inclined-plane (93) the outer rim back side to be back pressure external thread (95), described back pressure pipeline (87) termination there is back pressure pipe step bulge loop (178) at back pressure Guan Youren cambered surface (781) and the outer rim back side thereof, back pressure has back pressure circle internal thread (591) and back pressure circle step scrobicular ring (159) by appointing on outer ring (59), described back pressure external thread (95) and described back pressure circle internal thread (591) rotatable engagement, described back pressure circle step scrobicular ring (159) coordinates with described back pressure pipe step bulge loop (178) rotary sliding.
2. a kind of nuclear reactor according to claim 1 connects high pressure cooling device by appointing, and it is characterized in that: described spiral deflector (91) outward flange is 22 to 24 degree along forcing the lead angle of cooling cylindrical shell (90) cylinder madial wall.
3. a kind of nuclear reactor according to claim 1 connects high pressure cooling device by appointing, 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 spline spindle (33) water pump side has pump bearing section (35) successively, pump flat key section (34), pump thread segment (32) and described spline tooth axle (31), water pump nut (72) and described pump thread segment (32) rotational fastener, described spline spindle (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), for being slidably matched between spline double wedge (14) on the recessed tooth of spline (13) in described spline perforation (71) and described spline tooth axle (31), technique relief groove (18) is arranged at the recessed tooth of described spline (13) bottom.
4. a kind of nuclear reactor according to claim 3 connects high pressure cooling device by appointing, 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 nine runner screws (15), described machine end optical axis (39) there are two 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).
5. a kind of nuclear reactor according to claim 3 connects high pressure cooling device by appointing, it is characterized in that: the recessed tooth of described spline (13) degree of depth is 54 to 56 millimeters, the tooth two sides width of the recessed tooth of described spline (13) is 5 to 6 millimeters, and the tooth two sides port of the recessed tooth of described spline (13) has the recessed tooth groove (23) of 1 × 45 degree; Described spline double wedge (14) length is 42 to 44 millimeters, the tooth two sides width of described spline double wedge (14) is 5 to 6 millimeters, the tooth two sides port of described spline double wedge (14) has the double wedge groove (24) of 1 × 45 degree, for being slidably matched between described spline double wedge (14) and the recessed tooth of described spline (13), and leave crest clearance (17) and internal diameter gap (27) between described spline double wedge (14) and the recessed tooth of described spline (13).
6. a kind of nuclear reactor according to claim 3 connects high pressure cooling device by appointing, and it is characterized in that: there are six blind manipulation notches (76) described bearing tight loop (75) side end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420514275.2U CN204045219U (en) | 2014-09-09 | 2014-09-09 | A kind of nuclear reactor connects high pressure cooling device by appointing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420514275.2U CN204045219U (en) | 2014-09-09 | 2014-09-09 | A kind of nuclear reactor connects high pressure cooling device by appointing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204045219U true CN204045219U (en) | 2014-12-24 |
Family
ID=52245860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420514275.2U Expired - Fee Related CN204045219U (en) | 2014-09-09 | 2014-09-09 | A kind of nuclear reactor connects high pressure cooling device by appointing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204045219U (en) |
-
2014
- 2014-09-09 CN CN201420514275.2U patent/CN204045219U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203967885U (en) | A kind of multi-pore channel water-cooled electricity main shaft | |
| CN204267277U (en) | Integral type water-cooled intelligent frequency-conversion water pump | |
| CN204045219U (en) | A kind of nuclear reactor connects high pressure cooling device by appointing | |
| CN204045218U (en) | A kind of internal thread nuclear reactor cooling is integrated | |
| CN205744492U (en) | A kind of environmental protection water pump of green energy conservation | |
| CN210183213U (en) | Water-cooling circulating air duct equipment of high-voltage frequency converter | |
| CN204045220U (en) | A kind of soldered joint nuclear reactor cooling package | |
| CN204029399U (en) | A kind of nuclear reactor flange high pressure cooling device | |
| CN204066753U (en) | A kind of nuclear reactor clip high pressure cooling system | |
| CN104157314A (en) | Union aluminum alloy silicon nitride high-pressure cooling equipment of nuclear reactor | |
| CN104332192A (en) | Welding joint titanium alloy zirconia nuclear reactor cooling assembly | |
| CN104318963A (en) | Internal screw thread chromium alloy silicon carbide nuclear reactor cooling assembly | |
| CN104240775A (en) | Nuclear reactor flange copper alloy aluminum oxide high-pressure cooling device | |
| CN216390737U (en) | Air-water cooler of wind power generator | |
| CN112790817B (en) | Milling cutter module and full-automatic craniotomy device thereof | |
| CN210013866U (en) | Self-circulation heating water pump and energy-saving swimming pool water supply system using same | |
| CN212211806U (en) | Heat dissipation device for electromechanical equipment | |
| CN213713038U (en) | Cooling water adding mechanism of boiler water supply system | |
| CN202811490U (en) | Nuclear secondary pump containment vessel spraying pump for 300 MW nuclear power station | |
| CN104299657B (en) | A kind of nuclear reactor clip kirsite cerium oxide high pressure cooling system | |
| CN206593504U (en) | A kind of jetting stream vacuum system transformed for energy saving for power plants | |
| CN206681903U (en) | A kind of hybrid power Francis turbine | |
| CN207178239U (en) | A kind of recirculated water water supply installation of low energy consumption | |
| CN205940197U (en) | Improved generation hydraulic turbine cooling tower | |
| CN204755406U (en) | Novel high temperature cooling for pump device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20150909 |
|
| EXPY | Termination of patent right or utility model |