CN116199373A - Nuclear power plant water island system - Google Patents
Nuclear power plant water island system Download PDFInfo
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- CN116199373A CN116199373A CN202310183490.2A CN202310183490A CN116199373A CN 116199373 A CN116199373 A CN 116199373A CN 202310183490 A CN202310183490 A CN 202310183490A CN 116199373 A CN116199373 A CN 116199373A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
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Abstract
The invention discloses a water island system of a nuclear power plant, which comprises a fresh water pretreatment module, a softened water treatment module, a demineralized water treatment module, a softened demineralized water storage and distribution module, a wastewater collection and treatment module, a chemical storage and dosing module, a chemical laboratory module and an integrated operation control module. The water island system of the nuclear power plant innovates the design of related systems or sub items of water treatment of the nuclear power plant to form a plurality of water treatment functional units for modularization design, thereby realizing the fresh water purification treatment, softening and desalination production and distribution, industrial wastewater treatment, domestic sewage treatment and chemical agent centralized management of the nuclear power plant, realizing the design scheme of process flow integration, layout design integration and functional partition integration, realizing smooth process flow, equipment resource sharing, reducing repeated configuration of equipment, saving land and reducing engineering investment through optimizing the system flow and equipment intensive configuration.
Description
Technical Field
The invention relates to the technical field of nuclear power plant water treatment, in particular to a water island system of a nuclear power plant.
Background
At present, the arrangement of related sub items of water treatment of the nuclear power plant in China is an independent system and single arrangement scheme, and different sub items and functions are dispersed in different areas in the nuclear power plant. The design system of each sub-item of the nuclear power plant is designed independently, and the design scheme for integrating, integrating and sharing each sub-item and system resource of water treatment of the whole plant is lacking; the planning and arrangement of the sub items are independent arrangement units, and a centralized and unified planning and arrangement scheme is not realized.
The prior art scheme has the problems: the technology is not smooth enough, underground pipe networks of the whole plant are staggered and complicated among the sub items of the water treatment system, the equipment configuration of the sub item system is repeated or redundant, the control dispersion of the sub items is not centralized, the chemical agent storage and dosing treatment arrangement of the sub items is not centralized, and the centralized management of dangerous chemical agents is not utilized, so that the problems of increased investment of the equipment of the water treatment sub items of the power plant engineering, inconvenient daily operation management of owners, large occupation area of a total map of the plant area and the like are caused.
Disclosure of Invention
The invention aims to provide a water island system of a nuclear power plant.
The technical scheme adopted for solving the technical problems is as follows: a nuclear power plant water island system is constructed, comprising: the system comprises a fresh water pretreatment module, a softened water treatment module, a demineralized water treatment module, a softened demineralized water storage and distribution module, a wastewater collection and treatment module, a chemical storage and dosing module, a chemical laboratory module and an integrated operation control module;
the fresh water pretreatment module is arranged on one side of the water island, the other side of the water island is centered on the softened demineralized water storage and distribution module, the chemical storage and dosing module, the wastewater collection and treatment module, the chemical laboratory module, the integrated operation control module, the demineralized water treatment module and the softened water treatment module are arranged around the periphery of the softened demineralized water storage and distribution module in a surrounding mode and are sequentially connected, and the whole demineralized water storage and distribution module is arranged in a rectangular mode.
In some embodiments, the fresh water pretreatment module is connected with a water conveying pipeline for inputting fresh water of an off-plant water supply system into the fresh water pretreatment module, and the fresh water pretreatment module is used for treating the fresh water provided outside the plant and providing the treated fresh water to a downstream module for use.
In some embodiments, further comprising a softened water treatment line comprising a water inlet line, a first water outlet line, and a second water outlet line;
the two ends of the water inlet pipeline are respectively connected with the fresh water pretreatment module and the softened water treatment module so as to enable fresh water provided by the fresh water pretreatment module to enter the softened water treatment module for softening treatment;
the two ends of the first water outlet pipeline are respectively connected with the softened water treatment module and the softened demineralized water storage and distribution module;
the first end of the second water outlet pipeline is connected with the softened water treatment module, and after the softened water treatment module passes through the softened water treatment module, the second end of the second water outlet pipeline is connected with the softened water storage and distribution module.
In some embodiments, the fresh water pretreatment module comprises a fresh water clarification device and a fresh water filtration device;
the softened water treatment module comprises a softening treatment device;
the desalting water treatment module comprises a desalting treatment device;
the demineralized water storage and distribution module comprises a demineralized water storage tank and a demineralized water supply pump device.
In some embodiments, further comprising a wastewater collection treatment line comprising a first wastewater collection branch, a second wastewater collection branch, and a third wastewater collection branch;
the fresh water pretreatment module, the softened water treatment module and the desalted water treatment module are respectively connected with the wastewater collection treatment module through the first wastewater collection branch;
the chemical storage and dosing module is connected with the wastewater collection and treatment module through the second wastewater collection branch;
and the softening demineralized water storage and distribution module is connected with the wastewater collection and treatment module through the third wastewater collection branch.
In some embodiments, the wastewater collection treatment module includes an industrial wastewater treatment device, an industrial wastewater collection pipe network, a domestic wastewater treatment device, and a domestic wastewater collection pipe network.
In some embodiments, the method further comprises a dosing line comprising a first dosing branch and a second dosing branch;
the chemical storage and dosing module is connected with the fresh water pretreatment module, the softened water treatment module and the desalted water treatment module through a first dosing branch so as to realize the dosage and dosing treatment of the fresh water pretreatment module, the softened water treatment module and the desalted water treatment module;
and the chemical storage and dosing module is connected with the wastewater collection and treatment module through a second dosing branch.
In some embodiments, the chemical storage and dosing module includes a chemical centralized storage device, a dispensing device, and a dosing metering device.
In some embodiments, the demineralized water storage and distribution module is further connected with a water supply pipeline for supplying fresh water treated by the demineralized water storage and distribution module to an external mechanism.
In some embodiments, the integrated operation control module is communicatively coupled to the fresh water pretreatment module, the softened water treatment module, the demineralized water treatment module, the softened demineralized water storage and distribution module, the wastewater collection treatment module, and the chemical storage and dosing module, respectively.
In some embodiments, the chemical laboratory module is connected to the integrated operation control module for sampling, detecting and analyzing fresh water and product water quality of each treatment process in the water island system.
In some embodiments, the integrated operation control module comprises a centralized power distribution device, a direct current power supply device, an integrated controller and an upper computer control device.
The chemistry lab module includes a centralized operation assay device and a centralized analysis meter device.
The implementation of the invention has the following beneficial effects: the nuclear power plant water island system comprises a fresh water pretreatment module, a softened water treatment module, a demineralized water treatment module, a softened demineralized water storage and distribution module, a wastewater collection and treatment module, a chemical storage and dosing module, a chemical laboratory module and an integrated operation control module. The fresh water pretreatment module is arranged on one side of the water island, the other side of the water island is centered on the softened demineralized water storage and distribution module, the chemical storage and dosing module, the wastewater collection and treatment module, the chemical laboratory module, the integrated operation control module, the demineralized water treatment module and the softened water treatment module are arranged around the periphery of the softened demineralized water storage and distribution module in a sequential connection mode, and the whole is in rectangular arrangement. The water island system of the nuclear power plant innovates the design of related systems or sub items of water treatment of the nuclear power plant to form a plurality of water treatment functional units for modularization design, thereby realizing the fresh water purification treatment, softening and desalination production and distribution, industrial wastewater treatment, domestic sewage treatment and chemical agent centralized management of the nuclear power plant, realizing the design scheme of process flow integration, layout design integration and functional partition integration, realizing smooth process flow, equipment resource sharing, reducing repeated configuration of equipment, saving land and reducing engineering investment through optimizing the system flow and equipment intensive configuration.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the following description will be given with reference to the accompanying drawings and examples, it being understood that the following drawings only illustrate some examples of the present invention and should not be construed as limiting the scope, and that other related drawings can be obtained from these drawings by those skilled in the art without the inventive effort. In the accompanying drawings:
FIG. 1 is a system flow diagram of a technical solution of a water island system of a nuclear power plant in some embodiments of the invention;
FIG. 2 is a schematic diagram of the structural arrangement of a water island system of a nuclear power plant in some embodiments of the invention.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention, and do not indicate that the apparatus or element to be referred to must have specific directions, and thus should not be construed as limiting the present invention.
It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," "third," and the like are used merely for convenience in describing the present invention and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," etc. may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 2, a water island system of a nuclear power plant according to some embodiments of the present invention includes a fresh water pretreatment module 11, a softened water treatment module 12, a demineralized water treatment module 13, a softened demineralized water storage and distribution module 14, a wastewater collection and treatment module 15, a chemical storage and dosing module 16, a chemical laboratory module 17, and an integrated operation control module 18. The fresh water pretreatment module 11 is arranged on one side of the water island, the other side of the water island is centered on the softened demineralized water storage and distribution module 14, and the chemical storage and dosing module 16, the wastewater collection and treatment module 15, the chemical laboratory module 17, the integrated operation control module 18, the demineralized water treatment module 13 and the softened water treatment module 12 are arranged around the periphery of the softened demineralized water storage and distribution module 14 in a rectangular mode.
In this embodiment, the fresh water pretreatment module 11 is disposed at the leftmost side of the water island of the nuclear power plant, the chemical storage and dosing module 16 is disposed adjacent to the fresh water pretreatment module 11 of the softened water treatment module 12, and the wastewater collection and treatment module 15, the chemical laboratory module 17 and the integrated operation control module 18 are disposed at the rightmost side of the water island of the nuclear power plant. In other embodiments, the adjustment of the positions of the modules of the water island system of the nuclear power plant can be performed according to actual situations.
It can be understood that the water island system of the nuclear power plant innovates and designs related water treatment systems or sub-items of the nuclear power plant to form a plurality of water treatment functional units for modularization design, thereby realizing fresh water purification treatment, softening and desalination production and distribution, industrial wastewater treatment, domestic sewage treatment and chemical agent centralized management of the nuclear power plant, realizing the design scheme of process flow integration, layout design integration and functional partition integration, realizing smooth process flow, equipment resource sharing, reducing repeated configuration of equipment, saving land and reducing engineering investment by optimizing system flow and equipment intensive configuration.
In some embodiments, the fresh water pretreatment module 11 is connected with a water pipe 21 for inputting fresh water of an external water supply system into the fresh water pretreatment module 11, and the fresh water pretreatment module 11 is used for treating the fresh water provided from the external environment and providing the treated fresh water to a downstream module for use. Specifically, the fresh water pretreatment module 11 has the functions of treating fresh water provided outside a factory through processes such as coagulation, precipitation, filtration, disinfection and the like, so that the quality of effluent meets the requirements of a subsequent water treatment process, and a downstream module is provided for use.
Further, the water island system of the nuclear power plant further comprises a softened water treatment pipeline 22, the softened water treatment pipeline 22 comprises a water inlet pipeline 221, a first water outlet pipeline 222 and a second water outlet pipeline 223, two ends of the water inlet pipeline 221 are respectively connected to the fresh water pretreatment module 11 and the softened water treatment module 12, so that fresh water provided by the fresh water pretreatment module 11 enters the softened water treatment module 12 for softening treatment, two ends of the first water outlet pipeline 222 are respectively connected to the softened water treatment module 12 and the softened demineralized water storage and distribution module 14, a first end of the second water outlet pipeline 223 is connected to the softened water treatment module 12, and a second end of the second water outlet pipeline 223 is connected to the softened demineralized water storage and distribution module 14 after passing through the demineralized water treatment module 13. The demineralized water storage and distribution module 14 is further connected to a water supply line 25 for supplying the fresh water treated by the demineralized water storage and distribution module 14 to an external mechanism.
Specifically, the softened water treatment module 12 is used for softening the fresh water provided by the fresh water pretreatment module 11 through the softening treatment equipment of the softened demineralized water production system, and after the softened water quality reaches the water quality requirement of a softened water user, the softened water reaches the softened demineralized water storage and distribution module 14, and meanwhile, a softened water source is provided for the demineralized water treatment module 13. The demineralized water treatment module 13 is used for treating the demineralized water provided by the demineralized water treatment module 12 by demineralized water deep demineralization equipment, and after deep demineralization treatment, the demineralized water quality reaches the requirements of demineralized water users, and reaches the demineralized water storage and distribution module 14. The demineralized water storage and distribution module 14 is used for storing the demineralized water produced by the demineralized water treatment module 12 and the demineralized water treatment module 13 and providing the demineralized water to demineralized water users through the demineralized water distribution system equipment according to the flow rate and the pressure requirements of downstream users.
The fresh water pretreatment module 11 includes a fresh water clarifying device and a fresh water filtering device, wherein the fresh water clarifying device can be used for continuously removing solids generated by precipitation in fresh water for clarification and/or concentration. The fresh water filtering device is used for filtering impurities in fresh water. The softened water treatment module 12 includes a softening device that softens raw water to replace calcium and magnesium ions therein, thereby reducing the occurrence of hazardous accidents. The demineralized water treatment module 13 comprises a demineralized water treatment device which can reduce the hardness of water, remove calcium ions and magnesium ions in water and activate water quality, so as to achieve the purposes of scale prevention and scale removal, and the softened demineralized water storage and distribution module 14 comprises a softened demineralized water storage tank and a softened demineralized water supply pump.
The water island system of the nuclear power plant further comprises a wastewater collection pipeline 23, the wastewater collection pipeline 23 comprises a first wastewater collection branch 231, a second wastewater collection branch 232 and a third wastewater collection branch 233, the fresh water pretreatment module 11, the softened water treatment module 12 and the desalted water treatment module 13 are respectively connected with the wastewater collection treatment module 15 through the first wastewater treatment branch 231, the chemical storage and dosing module 16 is connected with the wastewater collection treatment module 15 through the second wastewater collection branch 232, and the softened desalted water storage and distribution module 14 is connected with the wastewater collection treatment module 15 through the third wastewater collection branch 233. The wastewater collection and treatment module 15 is used for collecting industrial wastewater and domestic wastewater of a whole factory, and is provided with an industrial wastewater collection and treatment station and a domestic wastewater treatment station in a centralized manner, so that the wastewater is subjected to centralized management and treatment, and the collected wastewater is subjected to centralized treatment, thereby meeting national and local emission standards. The wastewater collection and treatment module 15 includes an industrial wastewater treatment device, an industrial wastewater collection pipe network, a domestic wastewater treatment device, and a domestic wastewater collection pipe network.
Further, the water island system of the nuclear power plant further comprises a dosing pipeline 24, the dosing pipeline 24 comprises a first dosing branch 241 and a second dosing branch 242, the chemical storage dosing module 16 is connected with the fresh water pretreatment module 11, the softened water treatment module 12 and the desalted water treatment module 13 through the first dosing branch 241 so as to realize the dispensing and dosing treatment of the fresh water pretreatment module 11, the softened water treatment module 12 and the desalted water treatment module 13, and the chemical storage dosing module 16 is connected with the wastewater collection treatment module 15 through the second dosing branch 242. The chemical storage and dosing module 16 is used for carrying out centralized storage, centralized dispensing and centralized dosing on chemical agents used by each module of the water island system of the nuclear power plant, and realizing the functional design of centralized chemical management. The chemical storage and dosing module 16 includes a chemical concentrate storage device, a dispensing device, and a dosing metering device.
The integrated operation control module 18 is respectively in communication connection with the fresh water pretreatment module 11, the softened water treatment module 12, the demineralized water treatment module 13, the softened demineralized water storage and distribution module 14, the wastewater collection and treatment module 15 and the chemical storage and dosing module 16. The integrated operation control module 18 integrates the control of each water treatment sub-item and system of the water island system of the nuclear power plant, and comprises the function designs of centralized operation control of each water treatment unit module of the water island, centralized experiment test, centralized power distribution equipment and centralized operation office. The integrated operation control module 18 may include a centralized power distribution device, a dc power supply device, an integrated controller, and a host computer control device.
Further, the chemical laboratory module 17 and the integrated operation control module 18 are arranged in a centralized manner, so as to be used for controlling each process system in the water island system in a centralized manner, and carrying out sampling detection analysis on fresh water and product water quality of each process link. Specifically, the chemical laboratory module 17 is used for sampling, detecting and analyzing water quality chemical components and other water quality samples of the water island water treatment related module, and the like, so as to meet the operation control requirement. The chemistry laboratory module 17 includes a centralized running assay device and an analytical instrumentation device.
In summary, the water island system of the nuclear power plant has the following advantages:
1. the arrangement design scheme of the water island system of the nuclear power plant has no subitem or system limit, the overall plan view is comprehensively planned and arranged, chemical water treatment facilities are considered as a whole, the planning and arrangement are centralized, the water island system of the nuclear power plant is formed by combining and arranging, the resource integration is carried out on each module and subitem of the water island treatment of the nuclear power plant, the modularized integrated design research is carried out, and the water island innovation design scheme with integrated flow, equipment resource intensification and functional modularization is realized;
2. the water island system of the nuclear power plant is designed compactly and planned, equipment arrangement and pipeline planning are carried out according to the main process flow sequence, the conveying pipelines among the modules are few, and the problems that the arrangement of the water treatment equipment outside the main plant of the nuclear power plant and the building plant of the main plant is scattered, the occupation area of a total map is large and the functional partition is undefined are solved and changed;
3. the buildings with the same or similar functions are combined, a dosing room, a distribution room, a water pump room and the like are respectively integrated or combined, and are arranged in a centralized planning way, so that the problems of decentralized operation control arrangement and the like of each water treatment plant room of a nuclear power plant are solved and changed;
4. the functional module device is highly integrated and unitized, the arrangement is convenient, compact and attractive, the pipeline connection among the modules is simplified, the problems of distributed sub-items, distributed sub-item functions, distributed control operation and the like of a nuclear power plant are solved, the arrangement occupied area of a total map can be greatly reduced, the project equipment investment is greatly saved, and the operation and maintenance cost of the power plant is reduced;
5. the centralized control or monitoring can be realized, the number of operators in each sub item is reduced, and the personnel expense is saved;
6. the equipment power supply of each functional module of the water island system of the nuclear power plant is arranged in a centralized way, and a centralized power distribution room is arranged in an independent room in a water island centralized operation control area;
7. the method relates to unified planning of collection and treatment of industrial wastewater, domestic wastewater, oily wastewater and other wastewater, and aims to solve and change the problems of dispersion of water wastewater and wastewater drainage points of various water treatment plants in a nuclear power plant and unsmooth process flow;
8. various chemical agents used by each functional module are stored and used in a centralized manner, so that the management and the use of dangerous chemical agents are standardized, the diffusion risk of dangerous chemical agents is prevented, the environment protection is facilitated, the problem that the storage and the dispersion of the chemical agents in a nuclear power plant are not beneficial to the environment protection is solved and changed, the arrangement mode is beneficial to the management of the chemical agents, and the diffusion environment risk of the dangerous chemical agents stored and used at multiple points is avoided.
It is to be understood that the above examples only represent preferred embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the invention; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (12)
1. A nuclear power plant water island system, comprising: the system comprises a fresh water pretreatment module (11), a softened water treatment module (12), a demineralized water treatment module (13), a softened demineralized water storage and distribution module (14), a wastewater collection and treatment module (15), a chemical storage and dosing module (16), a chemical laboratory module (17) and an integrated operation control module (18);
the fresh water pretreatment module (11) is arranged on one side of the water island, the other side of the water island is centered on the softened demineralized water storage and distribution module (14), the chemicals are stored and added into the chemical storage and distribution module (16), the wastewater is collected and treated by the wastewater collection and treatment module (15), the chemical laboratory module (17) is integrated with the operation control module (18), the demineralized water treatment module (13) is arranged on the periphery of the softened demineralized water storage and distribution module (14) in a surrounding mode, and the softened water treatment module (12) is sequentially connected with the softened demineralized water storage and distribution module (14) in a rectangular arrangement mode.
2. The nuclear power plant water island system according to claim 1, wherein the fresh water pretreatment module (11) is connected with a water conveying pipeline (21) for inputting fresh water of an off-plant water supply system into the fresh water pretreatment module (11), and the fresh water pretreatment module (11) is used for treating the fresh water provided from the off-plant and providing the treated fresh water to a downstream module for use.
3. The nuclear power plant water island system of claim 2 further comprising a softened water treatment line (22), the softened water treatment line (22) comprising a water inlet line (221), a first water outlet line (222), and a second water outlet line (223);
both ends of the water inlet pipeline (221) are respectively connected with the fresh water pretreatment module (11) and the softened water treatment module (12) so as to enable fresh water provided by the fresh water pretreatment module (11) to enter the softened water treatment module (12) for softening treatment;
two ends of the first water outlet pipeline (222) are respectively connected with the softened water treatment module (12) and the softened demineralized water storage and distribution module (14);
the first end of the second water outlet pipeline (223) is connected with the softened water treatment module (12), after the softened water treatment module (13) is passed through, and the second end of the second water outlet pipeline (223) is connected with the softened demineralized water storage and distribution module (14).
4. A nuclear power plant water island system according to claim 3, characterized in that the fresh water pretreatment module (11) comprises fresh water clarification means and fresh water filtration means;
the softened water treatment module (12) comprises a softening treatment device;
the desalted water treatment module (13) comprises a desalted treatment device;
the demineralized water storage and distribution module (14) comprises a demineralized water storage tank and a demineralized water supply pump.
5. A nuclear power plant water island system according to claim 3, further comprising a waste water collection line (23), the waste water collection line (23) comprising a first waste water collection branch (231), a second waste water collection branch (232) and a third waste water collection branch (233);
the fresh water pretreatment module (11), the softened water treatment module (12) and the desalted water treatment module (13) are respectively connected with the wastewater collection treatment module (15) through the first wastewater collection branch (231);
the chemical storage and dosing module (16) is connected with the wastewater collection and treatment module (15) through the second wastewater collection branch (232);
the softening demineralized water storage and distribution module (14) is connected with the wastewater collection and treatment module (15) through the third wastewater collection branch (233).
6. The nuclear power plant water island system of claim 5 wherein the wastewater collection treatment module (15) comprises an industrial wastewater treatment plant, an industrial wastewater collection pipe network, a domestic wastewater treatment plant, and a domestic wastewater collection pipe network.
7. The nuclear power plant water island system of claim 1 further comprising a dosing line (24), the dosing line (24) comprising a first dosing branch (241) and a second dosing branch (242);
the chemical storage and dosing module (16) is connected with the fresh water pretreatment module (11), the softened water treatment module (12) and the desalted water treatment module (13) through a first dosing branch (241) so as to realize the dispensing and dosing treatment of the fresh water pretreatment module (11), the softened water treatment module (12) and the desalted water treatment module (13);
the chemical storage and dosing module (16) is connected with the wastewater collection and treatment module (15) through a second dosing branch (242).
8. The nuclear power plant water island system of claim 7 wherein the chemical storage and dosing module (16) includes a chemical concentrate storage device, a dispensing device, and a dosing metering device.
9. The water island system of nuclear power plant according to claim 1, wherein a water supply line (25) for supplying fresh water treated by the demineralized water storage and distribution module (14) to an external mechanism is further connected to the demineralized water storage and distribution module (14).
10. The nuclear power plant water island system of claim 1, wherein the integrated operation control module (18) is communicatively connected to the fresh water pretreatment module (11), the softened water treatment module (12), the demineralized water treatment module (13), the softened demineralized water storage and distribution module (14), the wastewater collection and treatment module (15), and the chemical storage and dosing module (16), respectively.
11. The water island system of a nuclear power plant according to claim 1, wherein the chemical laboratory module (17) is connected to the integrated operation control module (18) for centralized monitoring and sampling detection analysis of the water island system treatment process and the treated product water quality.
12. The nuclear power plant water island system of claim 1 wherein the integrated operation control module (18) comprises a centralized power distribution device, a direct current power supply device, an integrated controller and an upper computer control device;
the chemistry laboratory module (17) comprises a centralized operation assay device and an analytical instrumentation device.
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| CN202310183490.2A CN116199373A (en) | 2023-02-20 | 2023-02-20 | Nuclear power plant water island system |
| PCT/CN2023/109576 WO2024008201A1 (en) | 2023-02-20 | 2023-07-27 | Water island system of nuclear power plant |
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| WO2024008201A1 (en) * | 2023-02-20 | 2024-01-11 | 中广核工程有限公司 | Water island system of nuclear power plant |
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| CN116199373A (en) * | 2023-02-20 | 2023-06-02 | 中广核工程有限公司 | Nuclear power plant water island system |
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2023
- 2023-02-20 CN CN202310183490.2A patent/CN116199373A/en active Pending
- 2023-07-27 WO PCT/CN2023/109576 patent/WO2024008201A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024008201A1 (en) * | 2023-02-20 | 2024-01-11 | 中广核工程有限公司 | Water island system of nuclear power plant |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024008201A1 (en) | 2024-01-11 |
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