TW462063B - Nuclear reactor cooling apparatus and its operation method - Google Patents

Abstract

The present invention relates to a kind of cooling apparatus for nuclear reactor and its operation method, in which the dosage infected by the radiation for the operators in the nuclear reactor can be reduced when working for the operation in the route of nuclear reactor pressure tank. In addition, the destruction heat can be removed without damaging the fuel assembly body or the operation of exchanging control rod. In the nuclear reactor building, the nuclear reactor well 4 and fuel pool 5 are constructed. The circulating pipeline 17 of fuel pool and the system pipeline 23, 24 of nuclear reactor, which is used to remove the residual heat of the nuclear reactor, for the cooling and cleaning system pipeline 8 are installed at the down-stream side of the pressure adjustment tank 7 adjacent to the gap of the fuel pool 5, in which the outlet side of the fuel pool circulating pipeline 17 is installed inside the nuclear reactor well 4 and the outlet side of the system pipeline 23, 24 for removing the residual heat of the nuclear reactor is installed inside the fuel pool 5. In addition, the radiation covering-layer is contained in the reactor water inside the nuclear reactor pressure tank 1 so as to prevent the radiation from piling up at the bottom portion of the nuclear reactor well 4 and to decrease the dosage infected by the radiation for the operators.

Description

" Zai ^ All meet with the bombers ^ as a fee ^^-^, · " ^ 620 63 A7 7 186pif -doc / 00 8 B7 V. Description of the invention (I) μμμμ. The present invention is about nuclear power generation In the case of the passage in the pressure tank of the nuclear reactor in the plant, the nuclear reactor cooling equipment and the operation method thereof do not impair the workability, suppress the radiation from the nuclear reactor well, reduce the amount of radiation, and remove the possibility of thermal decay. BACKGROUND OF THE INVENTION Please refer to FIG. 16 to describe a nuclear reactor cooling facility in an improved boiling water type nuclear power plant. Fig. 16 shows a simplified pipe system of a conventional nuclear reactor cooling equipment. In Fig. 16, the symbol 1 is the pressure tank of the nuclear reaction furnace with the upper cover taken out, and the side plate top cover on the furnace core 2 indicates the state of removing the gas-liquid separator and the steam dryer. The reference numeral 3 indicates a simplified internal pump. The thick line in Fig. 16 indicates the water flow state of the boiler water or pool water, and the thin line indicates the non-water flow state. In FIG. 16, the outer side of the upper opening portion of the nuclear reactor pressure tank 1 is constructed in a nuclear reactor building (not shown), and a watertight connection material (not shown) is installed at the bottom of the nuclear reactor shaft 4. ). The bottom of the pressure tank 1 of the nuclear reactor is supported by a base (not shown). The nuclear reactor 4 is distinguished from the fuel pool by a pool valve 6. In the fuel pool 5 and the nuclear reactor shaft 4, a gap pressure regulating tank 7 adjacent to a plurality of base devices is adjacent. The gap pressure regulating tank 7 is an empty tank into which the upper liquid of the overflow water in the fuel pool 5 and the nuclear reactor shaft 4 flows. The bottom of the tank is connected to the fuel tank cooling purification system (FPC) pipeline 8 for the bottom. Fuel tank cooling and purification system pipe 8 is connected in series with an inlet stop 4 ----- ^ -------- Order · -------- line (please read the unintentional on the back first) Please fill in this page again) This paper size is applicable to China (CNS) A: I specificationI0 X 297 mm) 620 6 3 Λ7 7186pif.doc / 008 ㈤ V. Description of the invention ()) Valve 9, fuel tank cooling purification system pump 10. Fuel tank cooling and purification system filtering and dechlorination device U, outlet stop valve 12 and fuel pool cooling and purification system heat exchanger 13; fuel pool cooling and purification system filtering and dechlorination device 11 upstream and downstream outlet stop valves 12 The outlet side is connected to a fuel tank cooling and purifying system side pipe line 15 having a side pipe valve 14. The fuel pool cooling and purifying system pump 10, the fuel pool cooling and purifying system filter 11 and the fuel pool cooling and purifying system heat exchanger 13 are each provided with two identical devices in parallel. A fuel cell cooling and purifying system filtering and dechlorinating device 11 and an outlet stop valve 12 are connected to a suppression pool purifying system (abbreviated as SPCU) line 16 at the branch. The downstream side of the heat exchanger 13 of the fuel pool cooling and purifying system is connected to a fuel pool circulation pipe 17, and the fuel pool circulation pipe 17 is connected to the fuel pool cooling and purification system circulating water injection pipe 19 via a backflow prevention valve 18. A circulating water injection pipe 19 is provided in the fuel pool 5, and a lower end of the circulating water injection pipe 19 is provided with a circulating water injection port. A suppression pool purification system pipeline 16 is provided at the nuclear reactor shaft 4 and is connected to the suppression pool purification system pipeline 16 located at the outlet side of the filtering and dechlorination device Π of the fuel pool cooling purification system. Between the outlet side of the inlet stop valve 9 of the fuel pool cooling and purifying system pipe 8 and the nuclear reactor shaft 4, a nuclear reactor shaft connecting pipe 22 containing a fuel pool cooling and purifying system including a stop valve 21 is provided. The inlet side of the inlet stop valve 9 of the fuel pool cooling and purifying system pipeline 8 uses (A) system pipelines 23 of the nuclear reactor residual heat removal system which are connected to the nuclear reactor residual heat removal system (RHR) pipelines respectively. Residual Heat Removal System of Nuclear Reactor 5 ί I ^ --- J I --- # ·! ------ ^, (Please read the precautions on the back before filling this page) This paper is adequate for China Standard < CNS) A4 Specification < 210 X 297 mm) 462063 A7 7 1 8 6pi f. Doc / 〇〇8 g- V. Description of the invention | [,] System (B or c) system pipe 24 of The fuel cell cooling and purifying system-nuclear reactor residual heat removal system connection pipe 28 of the stop valves 27a to 27c is connected to the nuclear reactor pressure tank 1. There are 3 systems of 1st to 3rd grade in the residual heat removal system pipeline of the nuclear reactor. In the description of the relationship, it is divided into the (A) system pipeline 23 of the residual heat removal system of the nuclear reactor and the residual heat of the nuclear reactor. Remove system (B or C) system line 24. The (A) system piping 23 of the nuclear reactor residual heat removal system and the (B or C) system piping 24 of the nuclear reactor residual heat removal system are each connected in series with a nuclear reactor residual heat removal system pump 25 and a nuclear reaction. The furnace residual heat removal system heat exchanger 26 is connected on its downstream side to the fuel pool circulation pipeline 17 by a nuclear reactor furnace residual heat removal system-fuel pool cooling and purification system connection line 29. The nuclear reactor furnace residual heat removal system circulating water injection pipeline divided by the nuclear reactor furnace residual heat removal system-fuel pool cooling and purification system connection line 29 is provided with a nuclear reactor furnace residual heat removal system circulating water near the bottom inside the nuclear reactor furnace 4 Inject □ 30. In Fig. 16, reference numerals 32, 33, 34a, and 34b indicate stop valves, respectively, and reference numeral 35 indicates a nuclear reactor feed water system (FDW). The nuclear reactor furnace water supply system 35 is provided with a first feed water spraying pipeline 46 and a second feed water spraying pipeline 47. Here, the feed water spraying pipelines 46 and 47 are respectively connected to two feed water sprayers arranged in the pressure tank of the nuclear reactor. 37, 37. The (A) system pipe 23 of the residual heat removal system of the nuclear reactor is branched to the branch pipe 38, and is connected to the first water supply spray pipe 46 through a stop valve 39. In addition, the (B or C) system tube of the residual heat removal system of the nuclear reactor 6 This paper size applies to the Chinese National Standard (CNS) Al specification (210x297) (please read the precautions on the back before filling this page) '' Binding- -------- Line 462063 A7 7lS6pif.doc / 008 β- V. Description of the invention (Ψ) The circuit 24 is connected to the spray line of the low-pressure water injection system (referred to as LPFL), and the spray line 45 of the low-pressure water injection system is connected to A plurality of low-pressure water injection system sprayers 36 arranged in the pressure tank 1 of the nuclear reactor are connected. Here, the 1st system of the nuclear reactor residual heat removal system (the (A) system of the nuclear reactor residual heat removal system) 23 is connected to the water supply sprayer 37 of the nuclear reactor furnace water supply system 35 so that the water supply sprayer 37 is circulated to In the nuclear reactor pressure tank 1, the other two systems (the (B or C) system of the nuclear reactor residual heat removal system) 24 are circulated to the nuclear reactor pressure tank 1 using a low-pressure water injection system sprayer 36. There are three water supply sprayers 37 in the first system, and six in total in the two systems. There is one low pressure water injection system sprayer 36 in the first system, and two in total. In Fig. 16, reference numeral 40 indicates the height of the working ground, reference numeral 41 indicates the cooling water, reference numeral 42 indicates the liquid level of the cooling water 41, and reference numeral 43 indicates a stop valve provided on the circulating water injection pipe 31 of the residual heat removal system of the nuclear reactor. Reference numeral 44 denotes a stop valve provided on the low-pressure water injection system pipe 45 and connected to the low-pressure water injection system sprayer 36 at the same time. The invention describes a boiling water type nuclear reactor equipped with a core assembly 2 loaded with a fuel assembly in a nuclear power plant, which is introduced into the pressure tank 1 of the nuclear reactor for exchange of control rods. Basically, the operation starts at a working floor height of 40. The operation is transformed into a long film operation. However, the influence of the cooling water flow in the nuclear reactor 4 or the fuel pool 5 must be eliminated. In this case, in the current improved boiling water type nuclear reactor, the fuel assembly 7 existing in the pressure tank 1 or the fuel pool 5 of the nuclear reactor is removed. ----- Line (Jing first read the notes on the back before filling this page) This paper size is applicable to Chinese National Standard (CNS) Al specification (210 X 297 mm) 4.620 6 3 7186pif.doc / 008 Λ7 Ei7 V. DISCLOSURE OF THE INVENTION The initial destruction heat of the fuel in the (?) Must be prevented from hindering the workability of the flow into the nuclear reactor pressure tank 1 when the cooling water 41 flows. Therefore, the fuel pool cooling and purifying system in the fuel pool cooling and purifying system pipeline 8 filters the water purifying the fuel pool in the chlorine removal device 11 or the cooling water from the nuclear reactor well 4 in the fuel pool cooling and purifying system heat exchanger π. The cooled cooling water is circulated to the fuel pool 5 through the fuel pool circulation pipeline 17 through the fuel pool cooling and purification system circulating water injection pipeline 19. In addition, there are 2 systems of the nuclear reactor furnace residual heat removal system pipeline 3 (A) system pipeline 23 of the nuclear reactor furnace residual heat removal system and (B or C) system pipeline 24 of the nuclear reactor furnace residual heat removal system. The cooling water cooled in the middle operation is circulated to the nuclear reactor shaft 4 through the circulating water injection pipe 31 of the residual heat removal system of the nuclear reactor. However, the boiler water flowing out of the nuclear reactor furnace pressure tank 1 contains a radioactive cladding, which is deposited on the bottom of the nuclear reactor furnace 4 and is used for decontamination of the bottom of the nuclear reactor furnace 4 when the water is removed from the nuclear reactor furnace 4 There is a problem of the possibility that the operator will be infected with a large amount of radiation. The present invention proposes a nuclear reactor cooling equipment and a method for operating the same. For example, in the case of remotely operating a nuclear reactor pressure tank path, the workability is not reduced, and the radiation in the nuclear reactor well is suppressed to reduce the radiation dose. Efficient removal of destruction heat. The invention has the scope of the patent application No. 1 has the construction of a pool valve between the nuclear anti-eagle furnace shaft and the fuel pool; in this nuclear reaction furnace shaft and the fuel pool 'at least one water source is connected to the cooling of the fuel pool with a filter chlorine removal device Purification system piping; a nuclear reactor pressure is set vertically at the bottom of the aforementioned nuclear reactor shaft. 8 This paper size is applicable to China-National Standard (CNS) A < 1 specification ('210 X 297 mm) (Please read the precautions on the back first) (Fill in this page again) f ----------------- line five, inventions (4) force tank; the heat exchanger connected to the pressure tank of the nuclear reactor is equipped with Residual heat removal system piping of nuclear reactors of multiple systems; characterized in that: a circulating water injection port of a fuel pool circulation pipeline connected to the downstream side of the aforementioned fuel pool cooling and purification system pipeline is provided in the aforementioned nuclear reactor furnace well; and The circulating water injection port of the downstream side circulation pipe of the pipe of the residual heat removal system of the nuclear reactor is disposed in the fuel pool. In the present invention, the cooling water circulating to the nuclear reactor well is purified and cooled by the fuel pool cooling and purifying system, and the cooling water circulating to the fuel pool is cooled by the residual heat removal system of the nuclear reactor. In this way, in the case of remotely operating the pressure channel of the nuclear reactor, the workability is not reduced, and the radiation of the nuclear reactor well is suppressed to reduce the radiation dose, so that the destruction heat can be efficiently removed. The second scope of the patent application of the present invention has a valve for constructing a pool between a nuclear reactor well and a fuel pool; in the nuclear reactor well and the fuel pool, at least one water source is connected to a cooling and purifying system of a fuel pool having a filter and chlorine removal device Pipeline; a nuclear reactor pressure tank is vertically arranged at the bottom of the aforementioned nuclear reactor furnace shaft; a heat exchanger connected to this nuclear reactor furnace pressure tank is a nuclear reactor furnace residual heat removal system pipeline with multiple systems; its characteristics are: The circulating water injection port of the fuel pool circulation pipeline connected to the downstream side of the fuel pool cooling and purification system pipeline is provided in the nuclear reactor well; the circulating water of the downstream circulation pipeline of the nuclear heat furnace residual heat removal system pipeline The injection inlet is set in the aforementioned fuel pool; and the cooling water of the fuel pool cooling and purification system pipeline is circulated to the aforementioned fuel pool or the nuclear reactor well, or the cooling water of the residual heat removal system pipeline of the nuclear reactor is recycled to the aforementioned nuclear reaction 9 I -------- Order --------- Line {Please read the precautions on the back before filling this page) This paper size With China National Standard (CNS) A.i size (210 X 297 mm) 4 62 A7 71S6pif. Doc / 008 __ ^ _ V. description of the invention (Q) is provided with a switching operation of the well or the conduit prior to the furnace fuel pool. In the present invention, the switching operation of the switching valve of the switching operation pipeline provided on the residual heat removal pipeline of the nuclear reactor is used to adjust the cooling water entering the nuclear reactor well and the fuel pool. In addition, the cooling water of the fuel pool cooling and purification system pipeline can be circulated to the nuclear furnace well by other switching operation pipelines. The third feature of the scope of patent application of the present invention is that, among the pipes of the residual heat removal system of the nuclear reactor in the foregoing multiple systems, at least one system is connected to the water supply sprayer or the manifold in the pressure tank of the nuclear reactor. Connected to the low-pressure water injection system sprayer set in the pressure tank of the nuclear reactor. In the present invention, the flow rate of the cooling water in the pressure tank of the nuclear reactor is slower than that of the residual heat removal system of the nuclear reactor. The cooling water is circulated to the pressure tank of the nuclear reactor to reduce the impact on the operability of the operation. And the advantages of improving workability. The fourth feature of the scope of the patent application of the present invention is that a reverse flow prevention valve and a stop valve are connected between the fuel pool circulation pipeline and the fuel pool cooling and purification circulating water injection pipeline, and the residual heat removal system in the nuclear reactor is described above. A heat exchanger is provided to cool the cooling water outlet side pipeline connected to the circulating water injection pipeline of the cooling and purification system of the fuel pool and the pipeline of the water supply system of the nuclear reactor. In the present invention, the cooling water circulating to the fuel pool is cooled by the fuel pool cooling and purification system and the residual heat removal system of the nuclear reactor, and the cooling water is circulated to the cooling water of the water supply sprayer by the residual heat removal system of the nuclear reactor, so that ----- Order --------- Line (Please read the precautions on the back before filling this page) This paper size applies to China National Standard (CNS) A '丨 size mo X 2¾ Meal) B7 462063 7l86pif.d〇c / 008 V. Description of the Invention (¾) In the case of nuclear power plants, the remote reactor operation of the pressure tank channel of the nuclear reactor, in order not to reduce workability, and to suppress the radiation of the nuclear reactor well to reduce the radiation dose To efficiently remove the heat of destruction. The invention has the scope of application patent No. 5 having a valve for constructing a pool between a nuclear reactor shaft and a fuel pool; a nuclear reactor pressure tank is vertically arranged at the bottom of the aforementioned nuclear reactor shaft; a nuclear reactor furnace residual heat connected to the nuclear reactor furnace pressure tank The removal system pipeline is characterized in that: a circulating water injection port of a downstream side circulation pipeline of the nuclear reactor furnace residual heat removal system pipeline is provided in the nuclear reactor furnace well; and the nuclear reactor furnace residual heat removal system pipeline is connected to the foregoing The upper part of the nuclear reactor well is connected to the water intake pipeline of the nuclear reactor well. In the present invention, the water from the upper layer of the nuclear reactor shaft is flowed into the pipe of the residual heat removal system of the nuclear reactor to be cooled by the heat exchanger in the pipeline, and the cooling water is recycled to the nuclear reactor shaft. Use the clean upper water of the nuclear reactor shaft to reduce the dose of radiation contamination from the nuclear reactor shaft. In addition, the cooling water of the residual heat removal system piping of the nuclear reactor must be circulated to the pressure tank of the nuclear reactor, so as to remove the destruction heat without reducing the workability. The invention has the scope of application patent No. 6 having a valve for constructing a pool between the nuclear reactor well and the fuel pool; in the nuclear reactor well and the fuel pool, at least one water source is connected to the cooling of the fuel pool having the first filtering chlorine removal device Purification system pipeline; a nuclear reactor pressure tank is vertically arranged at the bottom of the aforementioned nuclear reactor furnace shaft; a heat exchanger connected to this nuclear reactor furnace pressure tank is a nuclear reactor furnace residual heat removal system pipeline with multiple systems; its characteristics For: The piping of the cooling water outlet side of the piping of the residual heat removal system of this nuclear reactor < Please read the precautions on the back before filling this page > National Standard (CNS) / U specification (2 丨 〇X 297 public love) 462063 Λ7 7186pi £ -d〇c / 〇 ° 8_B7 _ 5. Description of the invention) A filter or a second filtering chlorine removal device is provided in the system. In the present invention, in a nuclear power plant, in the case of remotely operating a pressure reactor channel of a nuclear reactor, the residual heat removal system of the nuclear reactor is used to cool the cooling water purified through a filter or a filter chlorine removal device to circulate to the nuclear reactor well. In order not to reduce the workability, and to suppress the radiation of the nuclear reactor furnace to reduce the radiation dose, in order to efficiently remove the destruction of heat. The seventh feature of the scope of patent application of the present invention is that the circulation pipeline is connected to at least one nuclear reactor furnace sprayer arranged in the nuclear reactor furnace well, and the cooling water blow-out port of the nuclear reactor furnace sprayer is respectively set to face the nuclear reactor The oblique downward direction of the center line of the pressure groove and the horizontal direction toward the aforementioned center line. In the present invention, the cooling water blow-out port of the well sprayer of the nuclear reactor is set to the oblique downward direction toward the center line and the horizontal direction toward the center line, so as to suppress the radiation of the cooling water and reduce the radiation dose, so as to destroy the heat. Remove. Item 8 of the scope of patent application of the present invention is characterized in that a low-pressure water injection system sprayer 'is provided in the pressure tank of the nuclear reactor and the flow direction of the blown water is set downward. The upper part and the inner side of the low-pressure water injection system sprayer are covered with a shielding device. In the present invention, in the case of using a remote isolation to operate the pressure channel of the nuclear reactor, the residual heat removal system pipe of the nuclear reactor is used to cool the circulation to the low-pressure water injection system sprayer. When the furnace water is used, the circulating water is prevented from flowing directly to the center of the pressure tank of the nuclear reactor, so that the workability is not reduced, the radiation is suppressed to reduce the radiation dose, and the destruction heat is removed. (Please read the precautions on the back before filling this page) ^ ----------------- $ This paper size is applicable to China National Standard (CNS) A'i specifications (21CU 297) (B) Λ7 B7 718 6p i £ * doc / 0 0 8 V. Description of the invention (In addition, under the low-pressure water injection system sprayer, the cooling water blowing outlet is equipped with a plurality of downward sprayer nozzles. The cooling water is supplied from the pressure tank of the nuclear reactor. The cooling water blown out towards the center of the pressure tank of the nuclear reactor is blown between the side plate and the cover of the nuclear reactor, and the radiation dose of the nuclear reactor well is reduced, and it does not prevent the remote isolation operation of the channel of the reactor pressure tank. The workability of the invention is reduced, and the destruction heat is removed. The ninth feature of the scope of patent application of the present invention is that a plurality of shed-like diffusers are provided on most of the cooling water blow-out holes in the aforementioned fuel pool. In this invention In the fuel pool, a plurality of upper and lower shed-like diffusers are provided, and the diameter of the piping is enlarged, so that a large amount of cooling water can be circulated to the fuel pool to effectively lay out in the fuel pool. The scope of patent application for the present invention is item 10 Of It is characterized in that a two-system water supply sprayer is provided in the aforementioned nuclear reaction furnace to connect the first water supply pipeline and the second water supply pipeline, and a first water supply pipeline is connected between the water supply pipeline and the cooling material purification system pipeline of the nuclear reaction furnace. The anti-backflow valve and the second anti-backflow valve, the cooling material purification system piping of the nuclear reactor, are connected with the nuclear reactor furnace residual heat removal system piping between the first sluicing water pipe and the first anti-reverse valve, and The aforementioned first backflow prevention valve is a backflow prevention valve with a forced 玑 function. In the present invention, the backflow prevention valve system with a forced start function flows in the opposite direction to the cooling material. Therefore, the nuclear reaction furnace cooling material purification system pipeline Install electric valve or the pipe from the residual heat removal system of the nuclear reactor, and circulate the cooling water supply of the first water nozzle_pipe or the second water spray pipe of the nuclear reactor furnace water supply system via the water supply system stop valve. — — — — — — — — — — — _ 11 ί 11 J-*-'§T, lt — — — — — — 1, (Please read the note on the back first } This page item and then fill in the paper scale applicable Chinese National Standard (CNS) A.l size (2K! X 297 mm) 4 620 6 3 7186pif. Doc / 00Θ Α7 Β7

V. Description of the Invention (丨 I) Effect of fuel exchange on operability in the pressure tank of a nuclear reactor 'and removal of heat of destruction. The invention has the scope of the patent application No. 11 having a pool valve constructed between the nuclear reactor well and the fuel pool; in this nuclear reactor well and the fuel pool, at least one water source is connected to the cooling and purification system of the fuel pool with a filter and chlorine removal device Pipeline; a nuclear reactor pressure tank is vertically arranged at the bottom of the nuclear reactor furnace shaft: the heat exchanger connected to the nuclear reactor furnace pressure tank is equipped with a nuclear reactor residual heat removal system pipeline; it is characterized by: The residual heat removal system pipeline is divided into a regenerative heat exchanger 'and a nuclear reactor cooling material purification system pipeline provided with a filter and chlorine removal device. The nuclear reactor furnace cooling material purification system pipeline is connected to the outlet side of the filter and chlorine removal device. The nuclear reaction furnace cooling material purification system circulation pipeline connected to the nuclear reaction furnace water supply system pipeline; and the nuclear reaction furnace cooling material purification system circulation pipeline with a side tube heat exchanger provided with the side reaction tube road. In the present invention, the side pipe of the cooling pipe purification system of the nuclear reaction furnace is provided on the side pipe of the nuclear reaction furnace cooling material purification and regeneration heat exchanger, and its operation can improve the efficiency of removing the destruction heat. Item 12 of the scope of patent application of the present invention is provided with a pool valve constructed between the nuclear reactor shaft and the fuel pool; in this nuclear reactor shaft and the fuel pool, at least one water source, a filtering and dechlorinating device and a heat exchanger are connected. The fuel tank cooling and purification system pipeline; a nuclear reactor pressure tank is vertically arranged at the bottom of the aforementioned nuclear reactor furnace shaft; this nuclear reactor pressure tank is connected via a stop valve with a heat exchange book that sequentially connects the nuclear reactor furnace residual heat removal system pipeline Paper size applies to China National Standard (CNS) A4 (21CU 297 cm) ¾ -------- tr --------- line (Please read the precautions on the back before filling in this P.) Qi Qilang meets with the investigator and discusses the cost of the two members.:i,fv,f '4 6 2 0 6 3 A7 7136pif.doc / 008 g- V. Description of the invention (p) Nuclear reactor cooling The operation method of the device is characterized in that a side pipe valve with a side pipe valve is provided in the filtering and dechlorination device of the fuel pool cooling and purification system pipe; and when the side pipe valve of the side pipe pipe is open, Flow to the heat exchanger of the aforementioned fuel pool cooling and purification system In the present invention, when the side pipe valve of the filtering and dechlorinating device of the fuel pool cooling and purifying system is opened, the system flow of the fuel pool cooling and purifying system is increased, and the flow rate of the heat exchanger of the fuel pool cooling and purifying system is increased. When it is large, it will also improve the heat removal efficiency of the fuel pool cooling and purification system. The 13th scope of the patent application of the present invention is equipped with a pool valve between the nuclear reactor well and the fuel pool; in this nuclear reactor well and the fuel pool, At least one water source is connected to the pipeline of the fuel pool cooling and purifying system with a filtering and dechlorinating device; a nuclear reactor pressure tank is vertically arranged at the bottom of the aforementioned nuclear reactor shaft; a nuclear reaction equipped with multiple systems is connected to the nuclear reactor pressure tank Heat exchanger of the furnace residual heat removal system pipeline: a nuclear reactor that connects the residual heat removal system pipeline of the nuclear reactor and the fuel pool cooling purification system pipeline to the nuclear reactor residual heat removal system-fuel pool cooling purification system connection pipeline Method for operating cooling equipment, characterized in that the residual heat removal system of the nuclear reactor in the foregoing multiple systems The third system includes the first system to the third system, the first system uses the heat exchanger of this system to cool the water supply system of the nuclear reactor or the cooling water circulating to the fuel pool, and the second system uses the heat exchange of this system The cooling water of the fuel tank is circulated to the aforementioned fuel pool, and the third system also uses the heat exchanger of this system to cool the cooling water circulated to the aforementioned fuel pool; the pipeline of the fuel pool cooling and purification system takes water from the fuel pool water, and after purification, , Through the suppression tank purification system to cycle to I ----- install ----- 1--order -------- line (please read the precautions on the back before filling this page) This paper size applies China National Standard (CNS) A4 (210 x 297 mm) 4 62063

Ki 7186pif_doc / 008 37 __ 5. Description of the invention (〇) The aforementioned nuclear reactor well or machine preset pool. In the present invention, the cooling operation of the 3 system using the residual heat removal system of the nuclear reactor can completely remove the heat of the system with a flow rate of about 50% of the system. It is therefore possible to reduce the radiation dose from infections in the nuclear reactor wells during the cycle to the fuel pool and feedwater sprayer. In addition, during the purification operation using the fuel pool cooling purification system, a suppression pool purification system can be added between the outlet of the filtering chlorine removal device and the nuclear reactor well or it can be circulated to a machine preset pool added near the nuclear reactor well. The feature of item 14 of the scope of patent application of the present invention is that it has a valve for constructing a pool between the nuclear reactor well and the fuel pool; in this nuclear reactor well and the fuel pool, at least one water source is connected with a filtering and dechlorinating device. Fuel tank cooling and purification system piping; a nuclear reactor pressure tank is vertically arranged at the bottom of the nuclear reactor well; a nuclear reactor cooling equipment of a heat exchanger having a nuclear reactor residual heat removal system pipeline connected to the nuclear reactor pressure tank The operating method is characterized in that the residual heat removal system of the nuclear reactor has three systems of a first system to a third system, and the first system to the third system are each provided with at least two serially connected operation Heat exchanger. In the present invention, the heat exchangers of the residual heat removal system of a plurality of nuclear reactors are operated in series connection to improve the heat removal efficiency of the pipelines of the residual heat removal system of the nuclear reactor, and the low-pressure water injection system or the water sprayer can be used. The operation is circulated to the pressure tank of the nuclear reactor. In order to make the above and other objects, features, and advantages of the present invention more comprehensible, a preferred embodiment is given below, in conjunction with the accompanying drawings, for details. 16 This paper size applies to Chinese National Standard (CNS) A4. Specifications (210 X 297 male f) ^ -------- tr --------- ^ (谙 Please read the notes on the back before filling in this page "6 20 6 3 7186pif.doc / 008 V. Description of the invention (11) A detailed description is as follows: Figure 1. Brief description The first figure shows the system diagram of the nuclear reactor cooling equipment of the first preferred embodiment of the present invention. The second figure shows the present invention The second preferred embodiment of the nuclear reactor cooling equipment system diagram. Figure 3 shows the second preferred embodiment of the present invention in another form of nuclear reactor cooling equipment system diagram. Figure 4 shows this System diagram of the nuclear reactor cooling equipment of the third preferred embodiment of the invention. Figure 5 shows the system diagram of the nuclear reactor cooling equipment of the fourth preferred embodiment of the invention. Figure 6 shows the system of the invention. The fifth preferred embodiment is a partial cross-sectional view of the cooling equipment of a nuclear reactor. A schematic cross-sectional view of the nuclear reactor cooling equipment of the sixth preferred embodiment. Figure 8 shows a partial cross-sectional view of the nuclear reactor cooling equipment of the seventh preferred embodiment of the present invention. Figure 9 shows the present invention. A schematic cross-sectional view of the cooling equipment of a nuclear reactor in an eighth preferred embodiment. Fig. 10a is a schematic cross-sectional view of the cooling equipment of a nuclear reactor in a ninth preferred embodiment of the present invention. The enlarged oblique view of the LPFL sprayer in Figure 10a. ^ -------- t --------- < Please read the notes on the back before filling this page) Applicable to China National Standard (CN.S) A4 (210 X 297 cm) 462063 ^ 7186pif.doc / 008 V. Description of the invention (<) Figure lla shows the tenth preferred embodiment of the present invention. A longitudinal cross-sectional view of a part of the cooling equipment of the nuclear reactor. The lib diagram is a top view of the lla diagram. The 12th diagram is a system diagram of the nuclear reactor cooling equipment of the eleventh preferred embodiment of the present invention. FIG. 13 shows a cooling device for a nuclear reactor in a twelfth preferred embodiment of the present invention and illustrates the present invention. System diagram of operation method of nuclear reactor cooling equipment of the first preferred embodiment. Fig. 14 shows a system diagram of operation method of nuclear reactor cooling equipment of the second preferred embodiment of the present invention. Fig. 15 shows This is a system diagram of the cooling method of the nuclear reactor cooling equipment according to the third preferred embodiment of the present invention. Figure 16 shows a system diagram of the conventional nuclear reactor cooling equipment. The marking of the diagram is as follows: 1: Pressure tank of the nuclear reactor 2: Furnace core 3: Inner pump 4: Nuclear reactor well 5: Fuel pool 6: Pool valve 7: Clearance tank 8: Fuel pool cooling and purification system pipeline 9: Inlet stop valve 10: Fuel pool cooling and purification system pump- -------------- II (Please read the notes on the back before filling out this page) This paper size is applicable to the China National Standard (CNS) Al specification (210 χ 297 mm) 4 6 2 0 6 3

AT 7 18 6pif.doc / 〇〇8 _ _13 / _ V. Description of the invention (11〇11: Fuel pool cooling and purification system filtration and chlorine removal device 12: Exit stop valve Π: Fuel pool cooling and purification system heat exchanger 14 '58 : Side pipe valve is: fuel tank cooling and purification system side pipe line 16: suppression pool purification system line 17: fuel pool circulation line 18, 80, 81, 82: anti-reverse valve 19: fuel pool cooling and purification system circulating water Injection line 20: circulating water injection ports 21, 27a, 27b, 27c, 32, 33, 34, 34a, 34b, 39, 43, 44 '49, 50, 53, 55, 56, 62, 77, 79, 90 , 95, 101: Stop valve 22: Fuel pool cooling and purification system, nuclear reactor well connection pipeline 23: (a) system pipeline of nuclear reactor residual heat removal system 24: nuclear reactor furnace residual heat removal system (B or C) System line 25: Nuclear reactor residual heat removal system pump 26: Nuclear reactor residual heat removal system heat exchanger 28: Fuel tank cooling purification system-Nuclear reactor residual heat removal system connection line 29: Nuclear reactor residual heat removal system-fuel Pool cooling and purification system connection pipe 30. Nuclear skin furnace furnace residue Circulating water injection port 31 of the heat removal system: Circulating water injection pipe of the residual heat removal system of the nuclear reactor -------- ^ ------ I — — — — — — (Please read the precautions on the back before (Fill in this page) This paper size is in accordance with Chinese National Standard (CNS) A4 specification (210 297 public field) 462063 7186pif.doc / 008… __B / _ V. Description of the invention (η) 35: Water supply system for nuclear reactor 36: Low pressure water injection system Sprayer 37: Water supply sprayer 38, 52: Manifold 40: Working floor height 41: Cooling water 42: Liquid level 45: Low-pressure water injection system spray line 46: First water supply spray line 47: Second water supply spray line 48: Convergence point 51: Circulating water circulation pipeline of the fuel pool cooling and purification system 54: Residual heat removal system of the nuclear reactor furnace filtration and dechlorination device 57: Residual heat removal system of the nuclear reactor furnace filtration and dechlorination device side pipe 59: Nuclear reactor furnace water extraction pipeline 60: Water inlet 61 on the well of nuclear reactor furnace: Water intake pipe of gap pressure regulating tank 63: Sprayer of nuclear reactor well 64: Connection site 65: Corner of nuclear reactor well 66: Protruded bank 67: Centerline 68: Shading device 69: Side plate 20 Paper size suitable China National Standard (CNS) A 丨 Specifications (21〇χ 297 mm) κ · ί ----- Order -------- Line (Please read the precautions on the back before filling this page) 4 6 2 0 6 3 A7 7166pif.doc / 008 ^ __13 / _ V. Description of the invention (〇) 70: Sprayer nozzle 71: Blowout port 72: Structure in fuel tank 73: Vertical pipe 74: Diffuser 75: Cooling water blowout port 76: Nuclear reactor cooling material purification system 78: Nuclear reactor cooling material purification system piping 83: Water supply system stop valve 84: Stop valve with forced drive function 85: Nuclear reactor furnace tank 86: Nuclear reactor cooling material purification system regenerative heat exchange Unit 87: Nuclear reactor cooling material purification system non-regenerative heat exchanger 88: Nuclear reactor cooling material purification system pump 89: Nuclear reactor cooling material purification system filtration and chlorine removal device 91: Nuclear reactor cooling material purification system side pipe line 92: Nuclear reaction Furnace cooling material purification system side pipe valve 93: Nuclear reactor cooling material purification system circulation line 94: Nuclear reactor residual heat removal system heat exchanger connection line 96: Nuclear reactor residual heat removal system prevention counterflow valve 97: Stop valve 98 on the outlet side of the exchanger: Reactor residual heat removal system heat exchanger side pipe line 99: Side pipe valve 100: Radioactive waste treatment system connection pipe (Please read the precautions on the back before filling this page)- ------- line | This paper size applies to China National Standard (CNS) A4 specifications < 210 X 297 public release) 4 6 20 63 A / 7186pif.d〇c / 008 B7 V. Description of the invention (β) 102: Radioactive waste processing equipment 103: First switching valve 104: First switching pipeline 105: Second switching valve 106: Detailed description of the preferred embodiment of the second switching pipeline Figure 1 illustrates the application of the present invention Nuclear reactor cooling equipment of the first preferred embodiment of the scope of the patent. In FIG. 1, parts that are the same as those in FIG. 16 are denoted by the same symbols, and repeated descriptions are omitted here. The difference between the first preferred embodiment of the present invention and the conventional example is the connection between the downstream side of the fuel pool circulation pipe 17 and the downstream side of the residual heat removal system-fuel pool cooling and purification system connection pipe 29 of the nuclear reactor. The confluence point 48 here is connected to the circulating water injection pipe 19 of the fuel pool cooling and purification system. The fuel pool circulation line 17 is provided with a stop valve 49. In addition, the fuel pool circulation line 17 is diverged from the exit side of the anti-reverse valve 18 of the fuel pool circulation line 17 and communicates with the fuel pool cooling and purification system circulating water circulation line 51 through the stop valve 50 Connected, the circulating water circulation pipe 51 of the fuel pool cooling and purification system is connected to the circulating water injection pipe 31 of the residual heat removal system of the nuclear reactor. That is, the present preferred embodiment uses the fuel pool cooling and purification system to filter the cooling water washed by the chlorine removal device 11 and the fuel pool cooling and purification system heat exchanger 13 to cool the cooling water through the fuel pool circulation pipe 17 and the fuel pool. Purification system circulating water circulation line 51 and nuclear reactor residual heat removal system circulating water injection line 31 circulates to the piping system of nuclear reactor well 4 and 22 paper standards are applicable to Chinese national standards (CNSM4 specification (210 * 297 meals)) (Please read the note f on the back before filling in this page) ^ -------- Order --------- Line — --------------- --------- 4 620 6 3 7186pif.d〇c / 〇〇8 B _ _ V. Description of the invention (; n >) and cooling using the nuclear reactor furnace residual heat removal system pipes 23, 24 cooling Water is independently circulated to the piping system of the fuel pool cooling and purification system circulating water injection pipe 19 through the residual heat removal system-fuel pool cooling and purification system connection pipe 29 of the nuclear reactor to the fuel pool 5. In this preferred embodiment, The piping system at the confluence point 48 of the fuel pool cooling and purification system and the nuclear reactor residual heat removal system is vertical Make 'converge the cooling water of the fuel pool cooling and purification system and the residual heat removal system of the nuclear reactor to circulate the fuel pool cooling and purification system to the nuclear reactor well 4 and the nuclear reactor residual heat removal system to the fuel pool 5. This' The cooling water circulating to the nuclear reactor well 4 has been purified by the filtering and dechlorination device 11 of the fuel pool cooling purification system without covering and accumulation in the nuclear reactor well 4 to greatly reduce the dose of radiation infection. From the viewpoint of removing destruction heat, an open-type pool valve 6 is provided between the nuclear reactor shaft 4 and the fuel pool 5 to prevent the cooling of both sides of the nuclear reactor shaft 4 or the fuel pool 5 at the same time as a whole. At this time, the residual heat removal system of the nuclear reactor is sucked from the pressure tank 1 of the nuclear reactor to 2 systems in the first figure, where 1 system is from the pressure tank 1 of the nuclear reactor, and the other system is from the fuel pool 5. In FIG. 1, the water intake side of the fuel pool cooling and purifying system is connected to the gap pressure regulating tank 7 connected to the fuel pool 5 and the nuclear reactor shaft 4. The water in the fuel pool 5 and the nuclear reactor shaft 4 overflows and flows into the gap pressure regulating tank 7. The water source of the fuel pool cooling and purification system does not directly pass through the fuel pool 5 and the nuclear reactor shaft 4. However, this preferred embodiment actually does not It is not limited to the shape of the water intake side of the fuel pool cooling and purification system. It can also be used in the fuel pool 5 23 This paper is also applicable to China National Standard (CNS) A '丨 size (210 X 297 cm) -------- ----- ^ -------Order !!! (Please read the notes on the back before filling in this page) 462063 A7 7 1 8 6pi f * doc / 0 0 8 V. Description of the invention (· > ρ or the upper part of the nuclear reactor shaft 4 is provided with a water inlet of the fuel pool cooling and purification system to directly take water from the fuel pool 5 or the nuclear reactor shaft 4. Or 'You can also set the water intake of the fuel pool cooling and purification system at the bottom of the nuclear reactor well 4 and use the fuel pool cooling and purification system-nuclear reactor well connection pipe 22 as shown by the thin line in Figure 1 to cool the fuel pool. Water purification system. In any case, the water source of the fuel pool cooling and purification system can be composed of the fuel pool 5, the nuclear reactor shaft 4, or both. Fig. 2 illustrates the nuclear reactor cooling equipment of the second preferred embodiment of item 2 of the patent application scope of the present invention. In Fig. 2, the same parts as those in Fig. 1 are denoted by the same reference numerals, and duplicated explanations are omitted here. The difference between the second preferred embodiment of the present invention and the first preferred embodiment is the connection line 29 for the residual heat removal system of the nuclear reactor-fuel pool cooling purification system and the circulation injection line 31 for the residual heat removal system of the nuclear reactor. A first switching line 104 having a first switching valve 103 is provided at the connection point. In addition, a second switching valve 105 is provided between the connection line 29 between the residual heat removal system of the nuclear reactor and the fuel pool cooling and purification system and the connection point between the first switching line 104 and the junction point 48. In the preferred embodiment, In the case, the cooling water of the residual heat removal system pipelines 23 and 24 of the nuclear reactor is injected into the pipeline 19 through the fuel pool cooling and purification system when the first switching valve 103 is closed and the second switching valve 105 is opened. The injection inlet 20 is circulated to the fuel pool 5. In addition, when the first switching valve 103 is opened and the second switching valve 105 is closed, the cooling water in the nuclear reaction furnace residual heat removal system pipes 23 and 24 is circulated to the nuclear reaction furnace shaft 4. 24 — II. &Quot;! — Order --- I ---- line- (Please read the precautions on the back before filling in this page) This paper size applies to China National Standard (CNS) A · 丨 specifications (210 X 297 cm) Λ7 4 6206 3 7186pif.doc / 008 V. Description of the Invention (: Λ) Figure 3 illustrates other forms of nuclear reactor cooling equipment in the second preferred embodiment of the present invention. In Fig. 3, the same parts as those in Fig. 1 are denoted by the same reference numerals, and duplicated descriptions are omitted here. In this example, a second switching line 106 is provided on the fuel pool circulation line 17, one end of which is connected to the inlet side of the fuel pool circulation line 17 provided with a backflow prevention valve 18, and the other end is connected with a stop valve 50. Circulating water circulation line 51 of the fuel pool cooling and purifying system. In this example, the cooling water of the fuel pool cooling and purifying system pipeline 8 passes through the fuel pool circulating pipeline 17 first, and then through the second switching pipeline 106, the stop valve 50, and the fuel pool cooling and purification system circulating water injection pipeline. 51 and the circulating water injection port 30 of the residual heat removal system of the nuclear reactor are circulated to the nuclear reactor shaft 4. At this time, the switching states of the counterflow valve 18 and the stop valve 49 are closed to prevent the cooling water containing the cladding from the nuclear reactor furnace residual heat removal system pipes 23, 24 from flowing into the nuclear reactor shaft 4. Fig. 4 illustrates the nuclear reactor cooling equipment of the third preferred embodiment of item 3 of the patent application scope of the present invention. In Fig. 4, the same parts as those in Fig. 1 are denoted by the same reference numerals, and duplicated explanations are omitted here. The difference between the third preferred embodiment of the present invention and the first preferred embodiment is that the low-pressure water injection system sprayer installed in the pressure tank of the nuclear reactor is connected to the multi-system nuclear reactor furnace residual heat removal system pipeline. And the first or second system is connected with the water supply sprayer and the aforementioned low pressure water injection system sprayer arranged in the pressure tank of the nuclear reactor. 25 This paper size applies to China National Standard (CNS) A. 丨 Specifications (2 丨 0 X 297 mm) ---- ^ ---- I --- ^ -------- line-( Please read the precautions on the back before filling in this page> 4 620 6 3 A7 7lS6pif .doc / 0 0 8 V. Description of the invention (that is,) (A) system piping set up by a nuclear reactor residual heat removal system 23 A branch pipe 38 having a stop valve 39 and a branch pipe 38 provided with a stop valve 39 connected to the first feed water spray pipe 46 and a branch (B or C) system pipe 24 provided with a residual heat removal system of the nuclear reactor and branched to the second feed water spray pipe 47 The connected branch pipe 52 with a stop valve 53. In addition, the (B or C) system pipe 24 of the residual heat removal system of the nuclear reactor is supplied with the low-pressure water injection system spray pipe 45 and the second feed water spray pipe 47 of the nuclear reactor residual heat The cooling water of the removal system. The residual heat removal system of the nuclear reactor is provided with 3 systems. It is known that the 1st system of the residual heat removal system of the nuclear reactor is connected to the local system of the water supply system (nuclear reactor furnace water supply system). The system's feed sprayer 37 is circulated to the nuclear reactor pressure tank 1. In the 1 system There are 3 water-supply sprayers 37 in total, 6 in 2 systems, 1 low-pressure water injection system sprayer 36 in system 1, and 2 in total. However, the cooling water circulating by the low-pressure water injection system sprayer 36 and the Compared with the operating method of the cooling water circulating by the water supply sprayer 37, the flow velocity in the pressure tank 1 of the nuclear reactor is reduced, and the workability is reduced. In this embodiment, the residual heat removal system of the nuclear reactor 1 is connected to the water supply system ( Nuclear reactor furnace water supply system) 2 systems, or a system 2 nuclear reactor furnace residual heat removal system connected to the water supply system 2 system, the flow velocity in the nuclear reactor pressure tank 1 is slow, and the nuclear reactor furnace residual heat removal system cooling water is performed In the case where the operation cycle is to the pressure tank 1 of the nuclear reactor, it has the advantages of removing the destruction heat and improving the workability without negatively affecting the workability. 26 This paper size is applicable to the Chinese National Standard (CN.S) A.丨 Specifications (2) 0 X 297g g) (Please read the precautions on the back before filling this page) -Clothing -------- ^ --------- line. Intellectual Property of the Ministry of Economic Affairs Board member Consumption cooperation i Indo Λ 462063 Λ 7 718 6p i f. Doc / 0 0 8 B7 V. Description of the invention Fig. 5 illustrates the nuclear reactor cooling equipment of the fourth preferred embodiment of item 6 of the scope of patent application of the present invention In FIG. 5, the same parts as those in FIG. 1 are denoted by the same symbols, and repeated descriptions are omitted here. The fourth preferred embodiment of the present invention is a nuclear reactor in the first preferred embodiment. (A) system pipe 23 of the residual heat removal system and (B or C) system heat pipe of the nuclear reactor furnace residual heat removal system (B or C) system pipe 24 are installed in the cooling water outlet side branch pipe system of the heat exchanger 26 A filtering and removing device 54 between the stop valves 55 and 56. In addition, before and after the stop valves 55 and 56 are installed, a nuclear reactor furnace residual heat removal system has a side tube valve 58 of a nuclear reactor furnace residual heat removal system filtering and dechlorinating device 54 having a side pipe valve 58. When the residual heat removal system of the nuclear reactor is used to filter the chlorine removal device 54, the side pipe valve 58 is closed. In this preferred embodiment, a nuclear reactor furnace residual heat removal system filtering and dechlorination device 54 is provided to remove radioactive materials in the cooling water of the nuclear reactor furnace residual heat removal system. The purified cooling water is thus circulated to the nuclear reactor furnace shaft 4, It is possible to reduce the radiation-contaminated dose of the nuclear reactor shaft 4 while removing the destruction heat. The substitute for the chlorine removal and removal device 54 of the residual heat removal system of the nuclear reactor can be changed to a filter such as a hollow membrane filter. In addition, when the radiant energy in the cooling water of the residual heat removal system of the nuclear reactor is low, the side tube valve 58 may be opened to pass through the side tube valve 58 of the chlorine removal device of the nuclear reactor by filtering the residual heat removal system. This is the fifth preferred embodiment of the nuclear reactor cooling equipment for explaining the fifth preferred embodiment of the scope of patent application of the present invention ° 27 I ^ -------- ^ < ίί—. {Please read the intention on the back first Please fill in this page again for this matter) This paper size is in accordance with Chinese National Standard (CNS) iVl specification (210x297 public #) 462063 7186pif. Doc / 008 5. Description of the invention (#) In Figure 6, the same parts as in Figure 1 are The same symbols are used, and repeated descriptions are omitted here. The difference between the fifth preferred embodiment of the present invention and the first preferred embodiment is that after the water is taken from the fuel pool 5 through the gap pressure regulating tank 7, the fuel pool cooling and purification system pipeline 8 is first used for cooling and purification. The system filters the chlorine removal device to purify the fuel pool water, and then uses the fuel pool cooling and purification system heat exchanger U to cool it, and then circulates to the fuel pool 5 through the fuel pool circulation pipeline 17 and the fuel pool cooling and purification system circulation water injection pipeline 19. Furthermore, the furnace water or fuel pool water in the pressure tank of the nuclear reactor is cooled by the residual heat removal system of the nuclear reactor and recycled to the fuel pool 5. At this time, the residual heat removal system of the nuclear reactor of the first system circulates the cooling water cooled by the heat exchanger 26 of the nuclear reactor residual heat removal system to the feed water sprayer 37. The anti-backflow valve 18 and the stop valve 49 on the fuel pool circulation line 17 are connected in series. In the present preferred embodiment, the reduction of the circulating water flow rate in the pressure tank 1 of the nuclear reactor will reduce the dose of infection radiation in the well 4 of the nuclear reactor and improve the operability of the remote access to the fuel exchange in the pressure tank 1 of the nuclear reactor. The flow rate circulated to the feed water sprayer 37 is limited by the flow rate in the pressure tank 1 of the nuclear reactor, and the flow rate of the pipe of the residual heat removal system of the preferred nuclear reactor is about 50%. Fig. 7 illustrates the nuclear reactor cooling equipment of the sixth preferred embodiment of item 5 of the patent application scope of the present invention. In FIG. 7, the same parts as those in FIG. 16 are denoted by the same symbols, and repeated descriptions are omitted here. The sixth preferred embodiment of the present invention 28 The paper size applies the Chinese National Standard (CNS) A! (210 > &297; Meal) ^ -------- Order · ----- |! Line | (Read the precautions on the back before filling in this page): 62063 7186pif.doc / 008 Λ7 B7 V. Description of the invention (> t) The difference between the examples and the conventional examples is the (A) system pipe 23 of the nuclear reactor residual heat removal system or the (B or C) system of the nuclear reactor residual heat removal system The pipeline 24 is connected to the nuclear reactor furnace water intake pipeline 59, and the upper end portion of the nuclear reactor furnace water intake pipeline 59 is installed with a nuclear reactor furnace upper water intake 60. The gap regulating tank 7 is connected to the upstream side of the inlet stop valve 9 of the fuel pool cooling and purifying system pipe 8 and is connected to one end of the gap regulating tank water intake pipe 61. The gap regulating tank water intake pipe 61 The other end is connected to the (A) system pipeline 23 of the nuclear reactor residual heat removal system or the (B or C) system pipeline 24 of the nuclear reactor residual heat removal system via a stop valve 62. Inside the gap pressure regulating tank 7 is the upper water 'of the fuel pool 5, and clean upper water flows from the working floor. The natural convection of the heat is destroyed by the nuclear reactor, causing the upper part of the nuclear reactor shaft 4 to have a high temperature. Therefore, in the preferred embodiment, the upper water inlet 60 of the nuclear reactor well is connected to the nuclear reactor furnace upper water intake 60 connected to the nuclear reactor furnace residual heat removal system pipe 23 or 24, or the gap pressure regulating tank water intake pipe is used. The path 61 obtains the upper water of the fuel pool 5, so that the upper water is cooled through the nuclear reactor residual heat removal system pipe 23 or 24 of the nuclear reactor residual heat removal system heat exchanger 26 and then circulated to the nuclear reactor shaft 4. In the preferred embodiment, the water quality of the upper part of the nuclear reactor shaft 4 and the upper part of the fuel pool 5 is less cladding than the boiler water, so as to reduce the radiation contamination dose of the nuclear reactor shaft 4. In addition, the cooling water circulating through the piping of the residual heat removal system of the nuclear reactor is not necessarily circulated to the pressure tank 1 of the nuclear reactor, and it will not cause damage to the operability of remote operation. 2 <) (Please read the notes on the back before filling in this page) Order --------- line — printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs This paper applies the Chinese National Standard (CNS) Al specification (21〇χ297297t) A7 B7 462063 7186pif.doc / 008 V. Description of the invention Figure 8 illustrates the nuclear reactor cooling equipment of the seventh preferred embodiment of item 7 of the scope of patent application of the present invention. Fig. 8 is an enlarged vertical sectional view of a part to the left of the center line 67 of the nuclear reactor shaft 4 of Figs. 1 to 7. In addition, reference numeral 1 indicates a part of the pressure tank of the nuclear reactor, and reference numeral 63 indicates a schematic longitudinal sectional view of the nuclear reactor well sprayer. The directions A, B, C, and D from the center point in the nuclear reactor well sprayer 63 are shown. This is the blowing direction of the cooling water blowing port set in the nuclear reactor well sprayer 63. The symbol 64 is a waterproof connection material installed at the upper end of the nuclear reactor 1 and the bottom of the nuclear reactor shaft 4, the symbol 65 is a corner portion of the nuclear reactor shaft, and 66 is a protruding bank. Furnace water is stored in the nuclear reactor pressure tank 1. In the conventional example, the nuclear reactor well sprayer 63 is provided with blowout ports in the directions of A, B, and C, and cooling water is blown out in this direction. However, the cladding sinks are concentrated in the corner 65 of the nuclear reactor well, which is the cause of radiation infection in the workers during decontamination after removing the water from the nuclear reactor well. Therefore, in the present preferred embodiment, the blowout port with the end point facing the direction B above the corner 65 of the nuclear reactor well and the direction C where the end point faces the oblique downward direction of the wall is not provided, and the end point is obliquely directed downward toward the center line 67. The exits of the direction A and the direction D whose end points toward the horizontal direction of the center line 67 are exits. In the present preferred embodiment, cooling water is blown out from the blowing outlets in the A and D directions, so that the bottom of the nuclear reactor well 4, especially the corner 65, is difficult to concentrate the cladding, in order to perform the decontamination of the reactor well 4. To reduce the radiation infection of workers. 30 This paper size applies the Chinese National Standard (CN.S) specification mo X 297g g) I in --------- Order --------- line-{Please read the notes on the back first Fill out this page again) 462063 7186pif.doc / 008 V. Description of the invention d) Figure 9 illustrates the nuclear reactor cooling equipment of the eighth preferred embodiment of the eighth preferred embodiment of the scope of patent application of the present invention. Fig. 9 is a partially enlarged vertical sectional view of the nuclear reactor shaft 4 and the nuclear reactor pressure tank 1 in Figs. 1 to 7. In Fig. 9, reference numeral 68 is a shielding device '69 is a side plate. In this preferred embodiment, a shielding device 68 is covered above and outside the low-pressure water injection system sprayer 36 provided in the pressure tank 1 of the nuclear reactor. In this preferred embodiment, when the cooling water cooled by the (B or C) system pipe 24 of the residual heat removal system of the nuclear reactor is circulated to the pressure tank 1 of the nuclear reactor, it is also circulated to the low-pressure water injection system sprayer 36 ' The water injection system sprayer 36 is provided with a shielding device 68 ′, so that the circulating water from the low-pressure water injection system sprayer 36 falls between the side plate 69 and the nuclear reactor pressure tank to prevent it from blowing toward the center of the nuclear reactor pressure tank 1. In this way, by limiting the carrying of the cladding to the nuclear reactor shaft 4, the radiation contamination of the nuclear reactor shaft can be reduced to remove the heat of destruction without impairing the operability of accessing the nuclear reactor pressure tank under remote operation. Figures 10a and 10b illustrate the nuclear reactor cooling equipment of the ninth preferred embodiment of the eighth item of the scope of patent application 1 of the present invention. Fig. 10a is a schematic cross-sectional view of a portion of the nuclear reactor shaft 4 and the nuclear reactor pressure tank 1 which is the same as that shown in Fig. 9. Figure 10b shows an enlarged perspective view of the LPFL sprayer in Figure 10a. In the preferred embodiment, a plurality of sprayers 70 are installed below the sprayer 36 of the low-pressure water injection system provided in the pressure tank 1 of the nuclear reactor, and the cooling water blowing outlet 7 of the sprayer nozzle 70 is set to face the paper size. Applicable to China National Standard (CNS) A4 specification (MO X 297 mm) (Please read the precautions on the back before filling this page) ^ -------- Order --------- Line- Λ7 B7 4 620 6 · 7 1 8 6pi f. Doc / 0 0 8 V. The description of the invention (d). The sprayer nozzle of the conventional low-pressure water injection system sprayer 36 is attached to the upper surface of the low-pressure water injection system sprayer 36, and the tortuous blowout D cooling water will blow toward the center line of the pressure tank of the nuclear reactor. At the point of & & &, in the preferred embodiment, the sprayer spray of the low-pressure water injection system @% is installed below the low-pressure water injection system sprayer 36, and the blowing outlet 71 t is directed downward, which can avoid cooling water. Blow out toward the center of the pressure tank 1 of the nuclear reactor 1. In this preferred embodiment, the method of removing heat from the residual heat removal system of the nuclear reactor by circulating the fuel in the furnace pressure tank will not cause the problem of fuel and stomach tremor. At this time, by restricting the carrying of the cladding to the nuclear reactor shaft ', the nuclear reactor shaft is contaminated by radiation. In addition, changing the sprayer nozzle 'can also reduce the amount of modification. Figures 11a and 11b are the nuclear reactor cooling equipment of the tenth preferred embodiment of the ninth preferred embodiment of the scope of patent application of the present invention. Figure 11a shows the fuels of Figures 1 to 7 Enlarged vertical cross-sectional view of cell 5. Figure lib is a top view of Figure 11a. In Figures 11a and lib, reference numeral 72 is a structure in the fuel pool for storing used fuel, 73 is a vertical pipe, 74 is a diffuser connected to the vertical pipe 73, and 75 is A plurality of small holes provided in the diffuser 74. In this preferred embodiment, a vertical pipe 73 in the fuel pool 5 is installed correspondingly with two upper and lower diffusers 74, and one vertical pipe 73 is provided on each side of the structure 72 in the fuel pool. There are multiple small 32 paper sizes on the diffuser 74. The Chinese standard (CNS) / V 丨 specification (21 × 297 mm) is applicable. ^ -------- ^ ------- Line I (Please read the precautions on the back before filling this page) Α7 Β7 4 6 20 6 186pif.doc / 008 V. Description of the invention (Je) The cooling water outlet 75 of the caliber is used to blow out the cooling water. The number of the diffusers 74 is not limited to four, and may be increased or decreased according to the content or the amount of cooling water. ^ The vertical pipe 73 is equivalent to the fuel pool shown in FIG. 1 of the first preferred embodiment. The circulating water injection pipe 19 of the cooling and purifying system is equivalent to the circulating water injection port 20 of the diffuser. For example, in the first preferred embodiment, a large amount of cooling water must be run into the fuel pool 5. If the diameter of the diffuser in the fuel pool 5 is not large, it may be disadvantageous to the layout in the fuel pool 5. On the other hand, from the viewpoint of cooling the fuel pool 5, it is preferable that a diffuser 74 is provided at the bottom of the fuel pool 5. At this time, the vertical pipe 73 at the bottom of the fuel pool 5 shown in FIG. 1U and FIG. On the other hand, a diffuser 74 horizontally installed at the bottom of the fuel pool is connected to a vertical pipe 73 corresponding to two upper and lower shed-like sections as shown in Fig. 11a, and the vertical pipe is shown in Fig. Ub. 73 is provided on each side of the structure 72 in the fuel pool. In this preferred embodiment, preventing the expansion of the piping caliber is really beneficial to the layout in the fuel pool 5. In the case of using a remote isolation to operate the pressure reactor channel of a nuclear reactor in a nuclear power plant, the radiation dose of the nuclear reactor well is reduced without reducing the workability, and the heat of destruction is removed. Although the diffuser 74 in FIG. 11 is described using a case where two followers are provided, three or more shed-like diffusers may be provided. In this case, the same effect as described above can be obtained. 33 (Please read the precautions on the back before filling this page) ^ -------- Order --------- Line-Qi% Discuss if this paper size applies to Chinese national standards (see CNSMO see Grid (210 X 297 mm) 4 6 20 6 3 Λ7 7186pif.doc / 008 gy ____ V. Description of the invention (M) Figure 12 illustrates the eleventh preferred implementation of item 10 of the scope of the patent application of the present invention The nuclear reactor cooling equipment in the example. In the preferred embodiment shown in FIG. 12, the A and B systems of the water supply sprayer 37 in the nuclear reactor pressure tank 1 and the nuclear reactor cooling material purification system (referred to as CCUW) are Stop valve 77, nuclear reactor cooling material purification system piping 78, stop valve 79, backflow prevention valves 80, 81, 82 and water supply system stop valve 83 are connected. 'Especially provided in the water supply system (system A) instead of the backflow prevention valve 80 The anti-backflow valve 84 with a compulsory start-up function. The anti-backflow valve 84 with a compulsory start-up function is opposite to the flow direction of the purified water to force the opening of the opposite direction corresponding to the flow direction when necessary to indicate the installation of a side pipe to prevent backflow Valve. 'Symbol 85 in Figure 12 Part of the nuclear reactor furnace grate trough is shown. Also, the nuclear reactor furnace water supply system (A system) is connected to the nuclear reactor furnace residual heat removal system (A) system pipes in a divergent manner. In the conventional example, the nuclear reactor furnace residual heat removal system ( A) The system pipeline 23 is constituted by the circulation of the first water supply spraying pipeline 46 of the water supply system 35. In the preferred embodiment, a backflow prevention valve 84 having a forced start function is provided. Here, the backflow prevention valve 84 In the forced opening state, the cooling water from the (A) system pipe 23 of the residual heat removal system of the nuclear reactor can be circulated to the first water supply spray pipe (system A) 46 and the second water supply spray pipe of the nuclear reactor furnace water supply system 35 The two sides of system B (system B) 47 circulate with each other. In the preferred embodiment, the nuclear reactor cooling material purification system piping 34. This paper size applies to Chinese national standards (CNShVi specification (210 X 297 meals) 3 ^- ------- Order --------- Line · (Please read the notes on the back before filling in this page) Jingye Wisdom Times-¾ Employee Consumption Cooperation Du printed 4 6 206 3 7186pif.doc / 008 ^ __B / V. Description of the invention (7 8 A stop valve 79 or a water supply system stop valve 83 is installed to circulate the cooling water from the cooling material purification system of the nuclear reactor to the first water supply spray line (system A) 46 or the second water supply spray line (system B) 47 ′, and the destruction heat is removed with minimal influence on the operation of the fuel exchange in the pressure tank 1 of the nuclear reactor.

The stop valve 79 or the feed water stop valve 83 may be a manual valve or an electric valve. In the latter case, the electric valve can improve the operability D. About FIG. Π illustrates the nuclear reactor cooling equipment of the twelfth preferred embodiment of item Π of the present invention. In FIG. 13, the same parts as those in FIG. 1 are denoted by the same symbols, and the description of the duplicated parts is omitted here. The difference between the twelfth preferred embodiment of the present invention and the first preferred embodiment is that of the nuclear reactor furnace residual heat removal system pump 25 from the (B or C) system pipe 24 of the nuclear reactor residual heat removal system. The nuclear reactor cooling material purification system pipe 78 diverging upstream of the suction port is connected in series to the nuclear reactor cooling material purification system regeneration heat exchanger 86, the nuclear reactor cooling material purification system non-regenerative heat exchanger 87, and the nuclear reactor cooling material purification system. The pump 88 and the nuclear reactor cooling material purification system filtering and dechlorinating device 89 and the nuclear reactor cooling material purification system are connected to the nuclear reactor cooling material purification system circulation pipeline 93 connected to the nuclear reactor furnace water supply system 35. In addition, the regenerative heat exchanger 86 of the cooling material purification system of the nuclear reactor is connected to the circulation line 93 of the cooling material purification system of the nuclear reactor through a stop valve 90, and the nuclear reaction is performed at a branch of the nuclear reactor cooling material purification system at the exit side of the chlorine removal device 89 Furnace cooling material purification system circulation pipe 9 3 35 This paper size applies to Chinese national standard (CNSVV1 specification (210 X 297 mm) ------- ^ --- I--II --- In-^ I (Please read the precautions on the back before filling this page) 462063 Λ7 _Ii8-6pi £ -d〇C / 〇 ° 8__B7__ V. Description of the invention U5!) A nuclear reactor cooling material purification system side pipe tube is connected between 91 A side pipe valve 92 is provided on the side pipe line 91 of the cooling material purification system of the nuclear reactor. In the present preferred embodiment, the regeneration heat exchanger 86 of the cooling material purification system of the nuclear reactor is operated via a side pipe, so that in a nuclear power plant, a remote isolation operation of the pressure tank 1 channel of the nuclear reactor is performed so as not to reduce workability. And suppress the radiation of the nuclear reactor well to reduce the radiation dose, and efficiently remove the destruction heat. Fig. 13 illustrates the operation method of the nuclear reactor cooling equipment of the first preferred embodiment of item 12 of the scope of patent application of the present invention. The first item in the above patent application scope of the present invention is the nuclear reactor cooling equipment of the first preferred embodiment. As shown in FIG. 1, in a case where the side pipe valve 14 of the filtering and dechlorinating device 11 of the fuel pool cooling and purifying system is closed, in the preferred embodiment, the side pipe valve is opened as shown in FIG. 13. 14 state running characteristics. When the side pipe valve 14 is opened, the fuel pool cooling and purification system pump starts to discharge the fuel pool water to the fuel pool cooling and purification system filtering and dechlorinating device 11 and the fuel pool cooling and purification system side pipe line 15 and then merges to the fuel pool cooling and purification system heat. When the exchanger 13 is in flow, the flow rate increases. Next, the cooling water cooled by the heat exchanger 13 of the fuel pool cooling and purification system flows from the fuel pool circulation pipe 17 through the nuclear reactor residual heat removal system circulating water injection pipe 31 into the nuclear reactor well 4 and then into the nuclear reactor pressure tank. 1 within. In the preferred embodiment, the chlorine is filtered and removed in the fuel pool cooling and purification system. The paper size is applicable to the Chinese National Standard (CNS) / \ J specification (210 X 297 mm). ---- ^ '---- --- Order ------ line (please read the precautions on the back before filling this page) 462063

AT 7186pif · doc / 008 V. Description of the invention) When the side pipe valve 14 of the device 运转 is opened, the system flow of the fuel pool cooling and purification system will increase, and the flow rate of the heat exchanger 13 of the fuel pool cooling and purification system will increase. , And improve the heat removal efficiency of the fuel pool cooling and purification system. Therefore, in a nuclear power plant, remote isolation operation of the reactor pressure tank 1 channel can be used without reducing workability and suppressing radiation from the nuclear reactor well to reduce radiation dose to remove heat of destruction. Fig. 14 illustrates the operation method of the nuclear reactor cooling equipment of the second preferred embodiment of the thirteenth patent application scope of the present invention. In Fig. 14, parts that are the same as those in Fig. 1 are denoted by the same symbols, and repeated descriptions are omitted here. In FIG. 14, the (A) system pipe 23 of the residual heat removal system of the nuclear reactor is referred to as the first system, the B system of the pipe 24 of the residual heat removal system of the nuclear reactor is referred to as the second system, and the same C system is referred to as For the third system. In the preferred embodiment, the cooling water cooled by the first system is circulated to the water supply system 35 of the nuclear reactor, and the cooling water cooled by the second system is passed by the nuclear reactor residual heat removal system-fuel pool cooling and purification system connection pipeline via the fuel. The circulating cooling water injection pipe 19 of the pool cooling and purification system is circulated to the fuel pool 5. In the first system, water is taken from the fuel pool water, cooled by the heat exchanger 26 of the residual heat removal system of the nuclear reactor, and the operation cycle is performed to the aforementioned fuel pool. 5 in. In addition, the fuel pool cooling and purifying system pipeline 8 draws water from the fuel pool water, and the fuel pool cooling and purifying system is used to filter the chlorine removal device. After purification, the fuel pool cooling and purification system pipeline 16 is circulated to the nuclear reactor well 4 or located adjacent to the nuclear reaction. In the machine presetting pool of furnace shaft 4 (not shown) ° This preferred embodiment uses the residual heat removal system of a nuclear reactor to heat the paper. 37 This paper size is applicable to national standards (CNS) A..l specifications (210 X 297 mm) (Please read the precautions on the back before filling this page) Order · Thread_ 4 62〇6 3 B7 7 1 8 6pl f * cioc / 0 0 8 V. Description of the invention (4 () Converter 26 The operation method of removing the destruction heat and using the purification function of the fuel pool cooling and purification system. Therefore, the cooling operation of the 3 system using the residual heat removal system of the nuclear reactor can completely have the heat removal ability of the system flow of about 50% of the specification. Therefore, it is possible to reduce the radiation dose infected by the nuclear reactor well 4 during the cycle to the fuel pool 5 and the nuclear reactor furnace water supply system 35. Moreover, the purification operation of the fuel pool cooling purification system is from the fuel pool cooling purification system The system filters out the chlorine removal device 11 and circulates it to the nuclear reactor well 4 or the machine preset pool through the suppression pool purification system pipeline 16. In this way, in a nuclear power plant, remote isolation operation of the nuclear reactor pressure tank 1 can be used. In this case, in order not to reduce the workability, and to suppress the radiation of the nuclear reactor well to reduce the radiation dose to remove the destruction heat. Figure 15 illustrates the nuclear reactor of the third preferred embodiment of the 14th scope of the patent application of the present invention. The operation method of the cooling equipment. In FIG. 15, the same parts as those in FIG. 1 are denoted by the same symbols, and repeated descriptions are omitted here. In FIG. 15, (A) of the residual heat removal system of the nuclear reactor System pipe 23 and (B or C) system residual heat removal system (B or C) system pipe 24 The respective nuclear reactor residual heat removal system heat exchanger 26 is connected to the outlet and inlet sides of the heat exchanger 26 with a stop valve 95 94 is connected in series. The discharge side of the pump 25 of the nuclear reactor residual heat removal system is connected to the nuclear reactor residual heat removal system prevention counterflow valve 96, and the nuclear reactor residual heat removal system The outlet side of the exchanger 26 is connected to the heat exchanger outlet side stop valve 97 on the pipe of the residual heat removal system of the nuclear reactor. 38 I ------! K --- I ---- Order · --- ----- Line (please read the precautions on the back before filling this page) Qi% This paper size is applicable to China National Standard (CNS) A4 (210x297 cm) i ^ 62063 718epif.d〇c / 00S_ ^ ___ 5. Description of the invention (to) The nuclear reactor furnace residual heat removal system prevents the divergence between the outlet side of the counter-flow valve 96 and the heat exchanger outlet side stop valve 97 to connect the nuclear reactor furnace residual heat removal system heat exchanger side tube Circuit 98, a side pipe valve 99 is installed on this side pipe line 98. Nuclear reactor furnace residual heat removal system heat exchanger connection line 94, stop valve 95, 95 are connected to the radioactive waste treatment system connection line 100, and the radioactive waste treatment system connection line 100 is connected to the radioactive waste through the stop valve 101 The processing equipment 102 is connected. In the preferred embodiment, (A) system piping 23 of the nuclear reactor residual heat removal system and (B or C) system piping 24 of the nuclear reactor residual heat removal system heat exchanger 26 of the nuclear reactor residual heat removal system The system is connected to the radioactive waste treatment system connection line 100 and the nuclear reactor residual heat removal system heat exchanger side pipe line 98. It uses a plurality of nuclear reactor residual heat removal system heat exchangers 26 to operate in series. In order to improve the destruction heat removal efficiency, and reduce the radiation infection dose without reducing the workability. In addition, although the cooling water of the nuclear reactor furnace residual heat removal system is circulated to the fuel pool 5 as an example in the figure Π, it is also possible to circulate the low pressure water injection system sprayer 36 or the water supply sprayer 37 to the nuclear reactor pressure tank 1 Operation. In the present invention, in a nuclear power plant, a remote isolation operation of the pressure tank path of a nuclear reactor can be used without reducing workability, and by suppressing radiation from a nuclear reactor well to reduce radiation dose to remove heat of destruction. Although the present invention has been disclosed as above with a preferred embodiment, it is not intended to limit the present invention. Anyone skilled in this art will not depart from the essence of the present invention. 3 ----- Line. (Please read the precautions on the back before filling this page) This paper size applies to Chinese National Standards (CNSM. 丨 Specifications (2) 〇X 297mm > Λ62063 Λ7

7 1 8 6pi f. Doc / 0 0 S V. Description of the invention) Within the scope of God and God, various changes and modifications can be made. This paper size applies to China National Standard (CNS) A 丨 Ulx Ul297 坌) ---------- I!-^ I ----- II Order --I ---- I * line (Please read the notes on the back before filling this page)

Claims (1)

0 ^ 88 ^ ABCS d 6 2 0 6 ^ 718 6pi f 'doc / 〇 〇 8 6. Scope of patent application 1. A nuclear reactor cooling equipment' is equipped with a tank valve constructed between a nuclear reactor shaft and a fuel pool ; At least one water source is connected to the nuclear reactor and the fuel pool with a fuel pool cooling and purifying system pipeline having an over-concentration chlorine removal device; a nuclear reactor pressure tank is vertically arranged at the bottom of the nuclear reactor shaft; connected to A heat exchanger of the pressure tank of the nuclear reactor, the heat exchanger having one of a plurality of systems, a residual heat removal system pipe of the nuclear reactor, and characterized in that it is connected to one of the downstream sides of the fuel pool cooling and purification system pipe A circulating water injection port of a fuel tank circulation pipeline is disposed in the nuclear reactor well; and a circulating water injection port of a downstream side circulation pipeline of the nuclear reactor furnace residual heat removal system pipeline is disposed in the fuel pool. 2. —A kind of nuclear reactor furnace cooling equipment, which is provided with a pool valve constructed between a nuclear reactor furnace and a fuel pool; at least one water source is connected to the nuclear reactor furnace and the fuel pool with a filter and chlorine removal device Fuel tank cooling and purification system pipeline; a nuclear reactor pressure tank is vertically arranged at the bottom of the nuclear reactor furnace; a heat exchanger connected to the nuclear reactor pressure tank, the heat exchanger is provided with a nuclear reactor furnace residue of a plurality of systems The heat removal system pipeline is characterized in that: a circulating water injection port of a fuel pool circulation pipeline connected to a downstream side of the fuel pool cooling and purification system pipeline is disposed in the nuclear reactor well; the nuclear reactor residual heat removal system The circulating water injection port of the circulation pipe on the downstream side of the pipeline is arranged in the fuel pool; and one of the cooling pool purification system pipes' cooling water is circulated to the fuel pool or the nuclear reactor well, or the residual heat in the nuclear reactor Remove the system piping a ^^ @ 家 标准 (CNS) A4 size (X 297 male)) — — — — — — — — — — I. ^ · 1—1ιι1 — · 11 · ι · ιι_ — (Please read the notes on the back before filling this page) Printed by the Consumers ’Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 2 3 WBCD Printed by the Consumer ’s Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs Before the cooling water is circulated to the nuclear reactor shaft or the fuel pool, a switching operation pipeline is provided. 3. The nuclear reactor cooling equipment according to item 1 or 2 of the scope of the patent application, wherein at least one system connection of the nuclear reactor furnace residual heat removal system pipelines of these systems is arranged in the nuclear reactor furnace pressure tank An internal feeder, or a low-level sprayer arranged in the pressure tank of the nuclear reactor in a bifurcated manner. 4. The nuclear reactor cooling equipment described in item 1 of the initial range, wherein a loop prevention valve and a stop valve are connected between the ring pipeline and the fuel pool cooling and purification circulating water injection pipeline, and the nuclear reactor is A heat exchanger is provided in the residual heat removal system, and the heat exchanger cools a cooling water outlet-side pipe connected to the circulating water injection pipe of the fuel pool cooling and purification system and the water supply system pipe of the nuclear reactor. 5. —A kind of nuclear reactor cooling equipment, which is equipped with a tank valve constructed between a nuclear reactor shaft and a fuel pool; a nuclear reactor pressure tank is vertically arranged at the bottom of the nuclear reactor shaft; connected to the nuclear reactor pressure tank A nuclear reaction furnace residual heat removal system pipeline; characterized in that: a circulating water injection port of a downstream side circulation pipeline of the nuclear reaction furnace residual heat removal system pipeline is arranged in the nuclear reaction furnace well; and the nuclear reaction furnace residual heat A nuclear reaction furnace water intake pipeline is connected from the removal system pipeline to the upper part of the nuclear reaction furnace shaft. 6. —A kind of nuclear reactor furnace cooling equipment, which is provided with a pool valve constructed between a nuclear reactor furnace and a fuel pool; at least one water source is connected between the nuclear reactor furnace and the fuel pool, and a first filter for removing chlorine Burning of the device 42 This paper has been oversized in Chinese National Standard (CNS) A4 (2) 〇X 297g (Please read the precautions on the back before filling this page) ϋ t— a ^ i · t 1 »nn I n I line-d 6 20 63 7196pif, doc / A8 Βδ 00 8 D8 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs ^ 六 、 Patent application scope Material cooling pool purification system pipeline; at the bottom of the nuclear reactor well A nuclear reactor pressure tank is provided vertically; a heat exchanger connected to the nuclear reactor pressure tank is provided. The heat exchanger is provided with one of a plurality of systems, and the residual heat removal system piping of the nuclear reactor is characterized by: A filter or a second filtering and dechlorinating device is arranged in the cooling water outlet side piping system of one of the pipes of the heat removal system. 7. The nuclear reactor furnace cooling equipment as described in the scope of application for item 1 or item 2, wherein one of the circulation pipelines is connected to at least one nuclear reactor furnace sprayer arranged in the nuclear reactor furnace, the nuclear reactor furnace One of the cooling water blowing outlets of the atomizer is respectively set to the oblique downward direction toward a center line of the pressure tank of the nuclear reactor and the horizontal direction toward the center line. 8_ The nuclear reactor cooling equipment described in item 1 or 2 of the scope of the patent application 'wherein a low pressure water injection system sprayer is set in the pressure tank of the nuclear reactor' and the flow direction of the blown water of the low pressure water injection system sprayer is set to down. 9. The cooling device for a nuclear reactor as described in item 1 or 2 of the scope of the patent application, wherein a plurality of shed-like diffusers are provided on the plurality of cooling water blowing holes in the fuel pool. 10. The nuclear reactor furnace cooling equipment as described in the first or second scope of the patent application, the towel is mixed with a plurality of water supply sprayers hidden in the surface axis to connect a first water supply line and a second water supply The pipeline, between the water supply pipeline and the nuclear reaction furnace cooling material purification system pipeline, is connected to a -th-reverse flow prevention valve H prevention reverse flow valve, the nuclear reaction furnace cooling material purification system pipeline includes the first feed water Piping and the first — 43 ------------ ^.! ----- Order i I nn I line < Please read the notes on the back before filling this page) This paper The standard applies to the CNS A4 specification (210 x 297 male f) A8B8C8D8 printed by the employee consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs? ¾¾ 6. Scope of patent application The pipelines of the residual heat removal system of the nuclear reactor are connected between the anti-reverse valves, and the first anti-reverse valve is an anti-reverse valve with a forced start function. 11. A nuclear reactor furnace cooling device, which is provided with a pool valve constructed between a nuclear reactor furnace and a fuel pool; at least one water source and a fuel having a filtering and dechlorinating device are connected between the nuclear reactor furnace and the fuel pool. The cooling and purification system pipeline of the pool; a nuclear reactor pressure tank is vertically arranged at the bottom of the nuclear reactor furnace shaft; a heat exchanger connected to the nuclear reactor furnace pressure tank, the heat exchanger is provided with a nuclear reactor furnace residual heat removal system pipeline; It is characterized in that the pipe of the residual heat removal system of the nuclear reactor is divided into a regenerative heat exchanger and a pipe of a nuclear reactor cooling material purification system provided with a filter and chlorine removal device; 'The outlet side of the filtering and dechlorination device is connected with a nuclear reaction furnace cooling material purification system circulation pipeline connected to one of the nuclear reaction furnace water supply system pipelines; and the nuclear reaction furnace cooling material purification system circulation pipeline is provided with a side pipe heat One of the exchangers is the side pipe of the cooling material purification system of the nuclear reactor. 12. —A method of operating a nuclear reactor cooling equipment 'is provided with a pool valve constructed between a nuclear reactor shaft and a fuel pool; at least one water source is connected to the nuclear reactor shaft and the fuel pool, and a filter is used to remove chlorine The device and a fuel pool cooling and purification system pipeline having a heat exchanger; a nuclear reactor pressure tank is vertically arranged at the bottom of the nuclear reactor furnace shaft; the nuclear reactor furnace pressure tank is connected via a stop valve with a nuclear reactor furnace residue connected in sequence One of the heat removal system pipes' heat exchanger 'is characterized by: 44 Ϊ Paper size is suitable for national and national standards' (CNS) A4 specification (2) 0 X 297 mm) (Please read the precautions on the back before filling (This page), 4 ------ Order -----. 462063 7186pif .doc / 008 A8 B8 C8 D8 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs * 11 ^ VI. Application scope of the patent The fuel pool cooling The filtering and dechlorinating device of the purification system pipeline is provided with a side pipe pipeline having a side pipe valve; and when the side pipe valve of the side pipe pipeline is open, it flows to the fuel pool cooling and purification system pipeline. Heat exchanger flow The amount will increase. 13. —A method for operating cooling equipment of a nuclear reactor, which is provided with a pool valve constructed between a nuclear reactor furnace and a fuel pool; at least one water source is connected between the nuclear reactor furnace and the fuel pool and a filter is used to remove chlorine One of the devices is a fuel pool cooling and purification system pipeline; a nuclear reactor pressure tank is vertically arranged at the bottom of the nuclear reactor furnace shaft; and a nuclear reactor furnace residual heat removal system pipeline equipped with one of a plurality of systems is connected to the nuclear reactor furnace pressure tank. A heat exchanger; a pipe connecting the residual heat removal system of the nuclear reactor and the fuel pool cooling and purification system, a connection pipe of the nuclear reactor residual heat removal system-fuel pool cooling and purification system, which is characterized by having the systems The residual heat removal system of the nuclear reactor has three systems of a first system, a second system, and a third system, wherein the first system uses the heat exchanger of the first system to cool the water supply system of the nuclear reactor or The cooling water circulating to the fuel pool and the second system are cooled and circulated to the fuel pool using a heat exchanger of the second system The cooling water of the third system is also the cooling water circulating to the fuel pool by using the heat exchanger of the third system; and the pipeline of the fuel pool cooling purification system takes water from the fuel pool, and after purification, The suppression pond purification system is circulated to the nuclear reactor well or a machine preset pond. 14. · A method for operating the cooling equipment of a nuclear reactor, which is equipped with 45 papers with the Chinese National Standard (CNS) A4 specification (2) 0 X 297 cm.) ------------ -ill — — — — ·! 1111! 11. (Please read the notes on the back before filling in this page) 8 ο ο / C 0 dfip 386 671 ο 2 6 8888 ABCD VI. Application scope of patents: a nuclear reactor and a A pool valve is constructed between the fuel pools; at least one water source is connected between the nuclear reactor well and the fuel pool and a fuel pool cooling and purifying system pipeline having a chlorine removal device; a nuclear reaction is vertically arranged at the bottom of the nuclear reactor well Furnace pressure tank; a heat exchanger having a nuclear reaction furnace residual heat removal system pipeline connected to the nuclear reaction furnace pressure tank, characterized in that the nuclear reaction furnace residual heat removal system has a first system to a third system Three systems: In the first system to the third system, at least two heat exchangers connected in series are provided. ------------ Clothing -----! Order --------- line (please read the precautions on the back before filling this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs ^ 46 This paper size applies to China National Standard (CNS) A4 specifications ( 2] 0 X 297g