CN114459261B - Multi-module reactor nuclear power unit evaporator water supply system - Google Patents
Multi-module reactor nuclear power unit evaporator water supply system Download PDFInfo
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- CN114459261B CN114459261B CN202210238599.7A CN202210238599A CN114459261B CN 114459261 B CN114459261 B CN 114459261B CN 202210238599 A CN202210238599 A CN 202210238599A CN 114459261 B CN114459261 B CN 114459261B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 238000001816 cooling Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000009833 condensation Methods 0.000 description 9
- 230000005494 condensation Effects 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/002—Component parts or details of steam boilers specially adapted for nuclear steam generators, e.g. maintenance, repairing or inspecting equipment not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/003—Feed-water heater systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/04—Auxiliary systems, arrangements, or devices for feeding, collecting, and storing cooling water or other cooling liquid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a water supply system of an evaporator of a multi-module nuclear power unit, which relates to the technical field of nuclear power, and comprises a high-pressure cylinder, a low-pressure cylinder, an improved condenser, a condensate pump, a low-pressure heater, a deaerator, a water supply pump, a high-pressure heater, an evaporator water supply main pipe and a multi-module nuclear power unit.
Description
Technical Field
The invention relates to the technical field of nuclear power, in particular to a water supply system of an evaporator of a multi-module nuclear power unit of a nuclear power reactor.
Background
Along with the continuous development of our technology, in the nuclear power generation process, the water fed at the inlet of the evaporator is heated by a low-pressure heater, a deaerator and a high-pressure heater, so that the requirement of the water temperature at the inlet of the evaporator is met, the normal steam sources of the low-pressure heater, the deaerator and the high-pressure heater are all the steam extraction of a steam turbine, the generated steam also needs to enter a condenser, and after the steam is changed into condensed water, the condensed water is pumped into the deaerator by a condensed water pump;
at present, the traditional condenser is required to be replaced by a cooling pipe regularly, so that the cost is high, the working efficiency of the condenser is greatly delayed, the condenser is inconvenient to replace, the water temperature at the inlet of the evaporator is reduced and influenced when the jump of the condenser occurs, and the use safety of the evaporator is greatly influenced.
Disclosure of Invention
The invention aims to provide a water supply system for an evaporator of a multi-module nuclear power unit, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a multimode reactor nuclear power unit evaporator water supply system, includes high pressure cylinder, low pressure cylinder, improved generation condenser, condensate pump, low pressure heater, deaerator, feed pump, high pressure heater, evaporimeter water supply header pipe and multimode reactor, high pressure cylinder first export with low pressure cylinder first entry is linked together, low pressure cylinder first export with improved generation condenser first entry is linked together, improved generation condenser first export with condensate pump total entry is linked together, condensate pump first export with low pressure heater first entry is linked together, low pressure heater with be linked together between the deaerator, deaerator with be linked together between the feed pump, feed pump with be linked together between the high pressure heater, high pressure heater first export with be linked together between the first entry of evaporimeter water supply header pipe, evaporimeter water supply header pipe first export with be linked together between the multimode reactor total entry, the evaporimeter export with be linked together between the second export with the high pressure heater water supply header pipe first entry through the second valve module control valve between the high pressure module.
Preferably, more than three reactors are arranged in the multi-module reactor, evaporators are respectively arranged in each reactor, and water supply control valves are arranged at inlets of the reactors, so that the water supply quantity of the evaporators is controlled.
Preferably, the third outlet of the valve module is communicated with the third inlet of the low-pressure heater, and the second inlet of the low-pressure heater is communicated with the second outlet of the low-pressure cylinder, so that the branch steam is introduced to supply steam to the low-pressure heater, the deaerator and the high-pressure heater, the temperature of the inlet of the operation evaporator is prevented from being reduced when a reactor jumps, and the water supply temperature of the inlet of the evaporator is effectively ensured.
Preferably, the improved condenser comprises a condenser shell, a fixed support plate and a base, wherein two support rods are fixedly arranged on the upper end face of the base, the two support rods are symmetrically distributed on the center line of the base, the two support rods are fixedly connected with the fixed support plates, the condenser shell is fixedly connected with the middle of the fixed support plates, a condenser inner cavity is arranged in the condenser shell, the lower side wall of the condenser inner cavity is arc-shaped, a drainage groove with an upward opening is formed in the lower side wall of the condenser inner cavity, the lower side wall of the condenser inner cavity is fixedly communicated with a water outlet device, the upper end face of the condenser shell is fixedly provided with a steam inlet pipe, the outer end face of the condenser shell is fixedly sleeved with a fixed plate, the upper end face of the fixed plate is respectively provided with a spliced water guide device, each spliced water guide device is sleeved on the upper side of the condenser shell, the lower side of the condenser inner cavity is fixedly communicated with a water outlet pipe, the lower side of the condenser inner cavity is fixedly communicated with a water inlet pipe, the left side of the condenser inner cavity is communicated with a water inlet pipe, and the water inlet pipe is fixedly communicated with the water inlet pipe is arranged between the left side of the condenser inner cavity and the condenser.
Preferably, each spliced water guide consists of a left spliced water guide a and a right spliced water guide b, an annular inner cavity is respectively arranged in each spliced water guide, the inner side walls of the annular inner cavities are respectively and equidistantly provided with a through hole, and one side of each through hole, which is close to the direction of the annular inner cavity, is in a horn shape.
Preferably, the outer end surfaces of each left spliced water guide a and each right spliced water guide b are respectively fixedly provided with two locking blocks, the corresponding two locking blocks are symmetrically distributed around the center line of the condenser shell, each locking block is close to the end surface of the center line direction of the condenser shell, each locking block is provided with a rubber pad, and each spliced water guide is fixedly connected at the corresponding locking block through a bolt, so that the spliced water guide is greatly convenient to detach and install, and cleaning is facilitated.
Preferably, each left spliced water guide a is close to the central line direction end face of the condenser shell and is respectively provided with four limiting spaces, each right spliced water guide b is close to the central line direction end face of the condenser shell and is respectively fixedly provided with four limiting blocks, each limiting block is in sliding connection with the corresponding limiting space, each annular inner cavity inner side wall is respectively provided with a bulge close to each limiting block, two arc-shaped baffle plates are respectively hinged to one side of each limiting block, each supporting sliding column is respectively connected with two supporting sliding columns in a vertical sliding manner on each bulge, each supporting sliding column is respectively connected with the corresponding arc-shaped baffle plate end face in a sliding manner, and each arc-shaped baffle plate is respectively provided with a torsion spring with the corresponding hinging shaft of each bulge.
Preferably, the cooling assembly comprises four spiral condensing pipes which are equidistantly distributed and arranged in the inner cavity of the condenser, a discharge condensing pipe is arranged at the upper end of each spiral condensing pipe in a communicating mode, each discharge condensing pipe penetrates through the condenser shell and extends into the corresponding connecting port in the spliced water guider at the upper side, an entering condensing pipe is respectively arranged at the lower end face of each spiral condensing pipe in a communicating mode, each entering condensing pipe penetrates through the condenser shell and extends into the connecting port in the spliced water guider at the lower side, and each discharge condensing pipe and each entering condensing pipe are fixed with the inner side wall of the inner cavity of the condenser through the fixing block.
Preferably, an activated carbon filter screen is respectively arranged on one side of each of the through holes, which is far away from the direction of the central line of the condenser shell.
In summary, the invention has the beneficial effects that:
according to the invention, the condenser is improved, the spliced water guide device is arranged at the water circulation position of the cooling pipe, so that when the condenser needs to be maintained, only the bolts fixed on the locking blocks are required to be detached, the spliced water guide device is detached, the spliced water guide device can be effectively cleaned, meanwhile, the cleaning water which is communicated with the inlet condensing pipe and the outlet condensing pipe can be cleaned, the maintenance of the cooling pipe is greatly facilitated, the times of replacing the cooling pipe are reduced, the working efficiency of the condenser is greatly improved, and meanwhile, branch steam is introduced into the low-pressure heater, the deaerator and the high-pressure heater through the control of the valve module and the regulating valve module to supply steam, so that the inlet temperature of the running evaporator is prevented from being reduced when a reactor jumps, the water supply temperature of the inlet of the evaporator is effectively ensured, and the running safety of the evaporator is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a multi-module reactor nuclear electric train evaporator feedwater system of the present invention;
FIG. 2 is a schematic cross-sectional view of the whole structure of the condenser 12 of the modified condenser of FIG. 1 according to the present invention;
FIG. 3 is a schematic top view schematic cross-sectional view of the partially spliced water deflector 1208 of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of a partial enlarged structure of the portion A in FIG. 3 according to the present invention;
the index marks in the drawings are as follows: 10. a high-pressure cylinder; 11. a low pressure cylinder; 12. an improved condenser; 13. a condensate pump; 14. a low pressure heater; 15. a deaerator; 16. a water feed pump; 17. a high pressure heater; 19. an evaporator water supply header pipe; 20. a valve module; 21. a regulating valve module; 22. a multi-module reactor; 1201. a condenser housing; 1202. an inner cavity of the condenser; 1203. a fixed block; 1204. discharging the condensed pipe; 1205. a spiral condenser tube; 1206. a fixing plate; 1207. a water outlet pipe; 1208. splicing a water guide; 1209. an annular inner cavity; 1210. a connection port; 1211. entering a condensing pipe; 1212. a fixed support plate; 1213. a support rod; 1214. a base; 1215. a water pump; 1216. a connecting pipe; 1217. a drainage groove; 1218. a water outlet device; 1219. a water feeder; 1220. a condenser; 1221. a water inlet pipe; 1222. a locking block; 1223. a limiting block; 1224. a limit space; 1225. an arc baffle; 1226. supporting a strut; 1227. a steam intake; 1208a, left splice water deflector; 1208b, right splice water deflector.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
The invention will now be described in detail with reference to fig. 1-4, wherein for convenience of description, the orientations described below are now defined as follows: the vertical, horizontal, vertical, front-to-back directions described below are the same as the vertical, horizontal, vertical, and horizontal directions of the view of fig. 1. Fig. 1 is a front view of the device of the present invention, and the direction of fig. 1 is the same as the vertical, horizontal, vertical, front-to-back, horizontal, and horizontal directions of the device of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is provided: the utility model provides a multimode reactor nuclear power unit evaporator water supply system, includes high pressure cylinder 10, low pressure cylinder 11, improved condenser 12, condensate pump 13, low pressure heater 14, deaerator 15, feed pump 16, high pressure heater 17, evaporimeter water supply header 19 and multimode reactor 22, high pressure cylinder 10 first export with low pressure cylinder 11 first entry is linked together, low pressure cylinder 11 first export with improved condenser 12 first entry is linked together, improved condenser 12 first export with condensate pump 13 total entry is linked together, condensate pump 13 first export with low pressure heater 14 first entry is linked together, low pressure heater 14 with intercommunication between deaerator 15, deaerator 15 with intercommunication between feed pump 16, feed pump 16 with intercommunication between high pressure heater 17, high pressure heater 17 first export with evaporimeter water supply header 19 first entry is linked together, evaporation pump 19 first export with second module 12 first entry is linked together through the intercommunication between the high pressure header valve main control valve 20 and the high pressure reactor header 20.
In addition, in one embodiment, more than three reactors are disposed in the multi-module reactor 22, each reactor is provided with an evaporator, and a water supply control valve is disposed at an inlet for controlling the water supply amount of the evaporator.
In addition, in one embodiment, the third outlet of the valve module 20 is communicated with the third inlet of the low-pressure heater 14, and the second inlet of the low-pressure heater 14 is communicated with the second outlet of the low-pressure cylinder 11, so that the branch steam is introduced to supply steam to the low-pressure heater, the deaerator and the high-pressure heater, thereby avoiding the temperature reduction of the inlet of the operating evaporator when a reactor jump occurs, and effectively ensuring the water supply temperature of the inlet of the evaporator.
In addition, in an embodiment, the improved condenser 12 includes a condenser housing 1201, a fixed support plate 1212 and a base 1214, two support rods 1213 are fixedly disposed on an upper end surface of the base 1214, the two support rods 1213 are symmetrically distributed about a center line of the base 1214, the upper end surfaces of the two support rods 1213 are fixedly connected with the fixed support plate 1212, a fixed plate 1206 is fixedly connected with the condenser housing 1201 in the middle of the fixed support plate 1212, a condenser inner cavity 1202 is disposed in the condenser housing 1201, a lower side wall of the condenser inner cavity 1202 is arc-shaped, a drainage groove 1217 with an upward opening is disposed, a lower side wall of the condenser inner cavity 1202 is fixedly communicated with a water outlet 1218, a steam inlet 1227 is fixedly disposed on an upper end surface of the condenser housing 1201, the steam inlet 1227 is connected with a steam input pipe, a fixed sleeve is disposed on an outer end surface of the condenser housing 1206, an upper end surface of the fixed plate is respectively provided with the fixed support plate 1212, a water guide tube 1208 is disposed on an upper end surface of the fixed support plate 1212, a water guide tube 1208 is connected with a water inlet pipe 1219 is disposed on a lower side of the water guide tube 1208, a water guide tube 1208 is connected with a water inlet pipe 1219 is disposed on a water guide tube 1219, and a water guide tube 1215 is connected with a water guide tube 1215 is disposed on a water guide tube.
In addition, in one embodiment, each of the spliced water guides 1208 is composed of left spliced water guide 1208a and right spliced water guide 1208b, an annular inner cavity 1209 is respectively provided in each spliced water guide 1208, and each of the inner walls of the annular inner cavities 1209 is respectively provided with a plurality of through holes 1210 in an equidistant distribution, and one side of each of the through holes 1210, which is close to the direction of the annular inner cavity 1209, is in a horn shape.
In addition, in one embodiment, two locking blocks 1222 are respectively and fixedly arranged on the outer end surfaces of each left spliced water guide 1208a and each right spliced water guide 1208b, the corresponding two locking blocks 1222 are symmetrically distributed around the central line of the condenser shell 1201, rubber pads are arranged on the end surfaces, close to the central line direction of the condenser shell 1201, of each locking block 1222, and each spliced water guide 1208 is fixedly connected at the corresponding locking block 1222 through bolts, so that the spliced water guide 1208 is greatly convenient to detach and install, and cleaning is facilitated.
In addition, in one embodiment, each left spliced water guide 1208a is provided with four limiting spaces 1224 near the end surface in the direction of the central line of the condenser shell 1201, each right spliced water guide 1208b is provided with four limiting blocks 1223 near the end surface in the direction of the central line of the condenser shell 1201, each limiting block 1223 is slidably connected with the corresponding limiting space 1224, one side, near each limiting block 1223, of the inner side wall of each annular inner cavity 1209 is provided with a protrusion, two arc-shaped baffle 1225 are hinged and connected respectively, each protrusion is provided with two supporting sliding columns 1226 in an up-down sliding manner, each supporting sliding column 1226 is slidably connected with the corresponding end surface of the arc-shaped baffle 1225, and torsion springs are arranged at the positions of the corresponding hinge shafts of the arc-shaped baffle 1225 and the corresponding protrusions.
In addition, in one embodiment, the cooling assembly includes four spiral condensation pipes 1205 disposed in the condenser cavity 1202 at equal intervals, an exhaust condensation pipe 1204 is disposed at an upper end of each spiral condensation pipe 1205 in a communicating manner, each exhaust condensation pipe 1204 extends through the condenser housing 1201 into a corresponding inlet 1210 located in the upper spliced water guide 1208, a lower end surface of each spiral condensation pipe 1205 is disposed at an inlet condensation pipe 1211 in a communicating manner, each inlet condensation pipe 1211 extends through the condenser housing 1201 into a inlet 1210 located in the lower spliced water guide 1208, and each exhaust condensation pipe 1204 and the inlet condensation pipe 1211 are fixed with an inner side wall of the condenser cavity 1202 by the fixing block 1203.
In addition, in one embodiment, each of the through openings 1210 is provided with an activated carbon filter screen on a side away from the centerline direction of the condenser housing 1201.
When steam enters the condenser cavity 1202 from the steam air inlet 1227, the water pump 1215 is started at this time, so that external water flows through the condenser 1220 to cool and enter the annular cavity 1209 at the lower side, and then enters the spiral condensing tube 1205 through the corresponding through hole 1210, so that the spiral condensing tube 1205 is filled up from bottom to top to cool the steam, the water flows through the discharge condensing tube 1204 to enter the annular cavity 1209 at the upper side, and circulate through the water outlet tube 1207, and meanwhile, when the spiral condensing tube 1205 needs to be cleaned, only the bolts fixed on the locking block 1222 are required to be disassembled, the spliced water guide 1208 is disassembled, so that not only can the spliced water guide 1208 be effectively cleaned, but also the cleaning water which is communicated with the inlet condensing tube 1211 and the discharge condensing tube 1204 can be cleaned, thereby greatly facilitating maintenance of the cooling tube, reducing the times of replacing the cooling tube, and greatly improving the working efficiency of the condenser.
The foregoing is merely illustrative of specific embodiments of the invention, and the scope of the invention is not limited thereto, but is intended to cover any variations or alternatives not contemplated by the inventors. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a multimode reactor nuclear power unit evaporator water supply system, includes high pressure cylinder (10), low pressure cylinder (11), improved generation condenser (12), condensate pump (13), low pressure heater (14), deaerator (15), feed pump (16), high pressure heater (17), evaporimeter water supply header pipe (19) and multimode reactor (22), its characterized in that: the first outlet of the high-pressure cylinder (10) is communicated with the first inlet of the low-pressure cylinder (11), the first outlet of the low-pressure cylinder (11) is communicated with the first inlet of the improved condenser (12), the first outlet of the improved condenser (12) is communicated with the total inlet of the condensate pump (13), the first outlet of the condensate pump (13) is communicated with the first inlet of the low-pressure heater (14), the low-pressure heater (14) is communicated with the deaerator (15), the deaerator (15) is communicated with the feed water pump (16), the feed water pump (16) is communicated with the high-pressure heater (17), the first outlet of the high-pressure heater (17) is communicated with the first inlet of the evaporator feed water main (19), the first outlet of the evaporator feed water main (19) is communicated with the total inlet of the multi-module reactor (22), the second outlet of the evaporator (19) is communicated with the high-pressure pump (16) through the control valve main (20) of the improved condenser (20); more than three reactors are arranged in the multi-module reactor (22), an evaporator is respectively arranged in each reactor, and a water supply control valve is arranged at the inlet; the third outlet of the valve module (20) is communicated with the third inlet of the low-pressure heater (14), and the second inlet of the low-pressure heater (14) is communicated with the second outlet of the low-pressure cylinder (11); the improved condenser (12) comprises a condenser shell (1201), a fixed support plate (1212) and a base (1214), two support rods (1213) are fixedly arranged on the upper end face of the base (1214), the two support rods (1213) are distributed symmetrically leftwards and rightwards relative to the central line of the base (1214), the fixed support plate (1212) is fixedly connected with the upper end faces of the two support rods (1213), a steam input pipe is connected with the upper end of the fixed support plate (1212), the condenser shell (1201) is internally provided with a condenser cavity (1202), the lower side wall of the condenser cavity (1202) is arc-shaped, a drainage groove (1217) with an upward opening is formed, the lower side wall of the condenser cavity (1202) is fixedly communicated with a water outlet condenser (1217), the upper end faces of the condenser shell (1201) are fixedly communicated with a steam air inlet (1227), the upper ends of the steam air inlet (1227) are connected with a steam input pipe, the upper end faces of the condenser shell (1208) are fixedly communicated with the water outlet guide plates (1218) respectively, the upper end faces of the condenser shell (1201) are fixedly connected with the water guide plates (1201) respectively, the water inlet pipe (1221) is fixedly communicated with the left side of the spliced water guide (1208), the water inlet pipe (1221) is fixedly communicated with the water outlet pipe (1207), a connecting pipe (1216) is fixedly communicated between the water inlet pipe (1221) and the water outlet pipe (1207), a condenser (1220) is arranged on the left side of the central line of the connecting pipe (1216), a water pump (1215) is arranged on the right side of the central line of the connecting pipe (1216), a water feeder (1219) is communicated with the lower side of the connecting pipe (1216), the water feeder (1219) is connected with an external water source, and a cooling assembly is arranged in an inner cavity (1202) of the condenser; each spliced water guide (1208) consists of a left spliced water guide (1208 a) and a right spliced water guide (1208 b), an annular inner cavity (1209) is respectively arranged in each spliced water guide (1208), through holes (1210) are respectively distributed on the inner side wall of each annular inner cavity (1209) at equal intervals, and one side of each through hole (1210) close to the direction of each annular inner cavity (1209) is in a horn shape.
2. The multi-module nuclear power unit evaporator feedwater system of claim 1, wherein: each left spliced water guide (1208 a) and each right spliced water guide (1208 b) are respectively fixedly provided with two locking blocks (1222), the corresponding two locking blocks (1222) are symmetrically distributed around the central line of the condenser shell (1201), each locking block (1222) is close to the central line direction end face of the condenser shell (1201) and is provided with a rubber pad, and each spliced water guide (1208) is fixedly connected with the corresponding locking block (1222) through a bolt.
3. The multi-module nuclear power unit evaporator feedwater system of claim 2, wherein: every left concatenation water director (1208 a) is close to condenser casing (1201) central line direction terminal surface is provided with four spacing spaces (1224) respectively, every right concatenation water director (1208 b) is close to condenser casing (1201) central line direction terminal surface has set firmly four stopper (1223) respectively, every stopper (1223) all with corresponding spacing space (1224) sliding connection, every annular inner chamber (1209) inside wall is being close to every stopper (1223) one side is provided with the arch respectively, and articulates respectively and be connected with two arc baffle (1225), every up-and-down sliding connection has two support slide (1226) on the arch respectively, every support slide (1226) respectively with corresponding arc baffle (1225) terminal surface between sliding connection, every arc baffle (1225) all are provided with the torsional spring with the arch articulated shaft department that corresponds.
4. A multi-module nuclear power unit evaporator feedwater system according to claim 3, wherein: the cooling assembly comprises four spiral condensing pipes (1205) which are equidistantly distributed and arranged in an inner cavity (1202) of the condenser, a discharge condensing pipe (1204) is arranged at the upper end of each spiral condensing pipe (1205) in a communicating mode, each discharge condensing pipe (1204) penetrates through the condenser shell (1201) and extends into a corresponding connection opening (1210) in an upper spliced water guide (1208), an entering condensing pipe (1211) is respectively arranged at the lower end face of each spiral condensing pipe (1205) in a communicating mode, each entering condensing pipe (1211) penetrates through the condenser shell (1201) and extends into a connection opening (1210) in the spliced water guide (1208) at the lower side, and each discharge condensing pipe (1204) and each entering condensing pipe (1211) are fixed with the inner side wall of the inner cavity (1202) of the condenser through a fixing block (1203).
5. The multi-module nuclear power unit evaporator feedwater system of claim 4, wherein: and an activated carbon filter screen is respectively arranged on one side of each through hole (1210) far away from the direction of the central line of the condenser shell (1201).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210238599.7A CN114459261B (en) | 2022-03-11 | 2022-03-11 | Multi-module reactor nuclear power unit evaporator water supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210238599.7A CN114459261B (en) | 2022-03-11 | 2022-03-11 | Multi-module reactor nuclear power unit evaporator water supply system |
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| CN114459261A CN114459261A (en) | 2022-05-10 |
| CN114459261B true CN114459261B (en) | 2024-03-19 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413206A (en) * | 2015-12-14 | 2016-03-23 | 贵州师范学院 | Evaporative condenser |
| CN106678770A (en) * | 2017-02-27 | 2017-05-17 | 西安热工研究院有限公司 | System and method for heating feed water of evaporator of nuclear power unit |
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| CN214708881U (en) * | 2021-01-11 | 2021-11-16 | 台州中穗科技有限公司 | Small-size storage grain bin of concatenation formula agricultural convenient to circulation of air |
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2022
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| CN105413206A (en) * | 2015-12-14 | 2016-03-23 | 贵州师范学院 | Evaporative condenser |
| CN106678770A (en) * | 2017-02-27 | 2017-05-17 | 西安热工研究院有限公司 | System and method for heating feed water of evaporator of nuclear power unit |
| CN209181550U (en) * | 2018-09-30 | 2019-07-30 | 连云港佑丰电力设备有限公司 | A kind of aixal admission formula condenser |
| CN209326396U (en) * | 2019-06-20 | 2019-08-30 | 淄博齐林贵和热电有限公司 | A kind of condenser of the heating power with stainless steel cooling pipe |
| WO2021190258A1 (en) * | 2020-03-23 | 2021-09-30 | 西安热工研究院有限公司 | Rapid cooling system and method for high-temperature gas cooled reactor nuclear power station primary loop after thermal test |
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| CN111380370A (en) * | 2020-05-06 | 2020-07-07 | 张晓波 | High-efficiency continuous production type condensing device |
| CN212087186U (en) * | 2020-05-12 | 2020-12-08 | 潍坊潍州园林绿化有限公司 | Multifunctional assembled flower box |
| CN112797810A (en) * | 2020-12-30 | 2021-05-14 | 巢湖市鑫皖新能源有限公司 | Condensation heat recovery system of power plant |
| CN214708881U (en) * | 2021-01-11 | 2021-11-16 | 台州中穗科技有限公司 | Small-size storage grain bin of concatenation formula agricultural convenient to circulation of air |
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| CN114459261A (en) | 2022-05-10 |
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