CN116027005B - A device for measuring the deoxygenation capacity of deoxygenating resin - Google Patents
A device for measuring the deoxygenation capacity of deoxygenating resin Download PDFInfo
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- CN116027005B CN116027005B CN202310140839.4A CN202310140839A CN116027005B CN 116027005 B CN116027005 B CN 116027005B CN 202310140839 A CN202310140839 A CN 202310140839A CN 116027005 B CN116027005 B CN 116027005B
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Abstract
本申请涉及一种测定除氧树脂除氧容量的装置，包括：除氧回路，其包括通过第一管道串联的第一循环水泵、恒温搅拌水箱和除氧离子交换柱；所述恒温搅拌水箱上还连接有空气供给装置和氮气供给装置；除盐回路，其包括通过第二管道串联的第二循环水泵、除盐离子交换柱和所述恒温搅拌水箱；集成数据处理系统，其与除氧回路和除盐回路相连；以及，所述第一管道上连接有两个溶解氧检测装置，且沿所述第一管道中除盐水流向，两个所述溶解氧检测装置分别位于除氧离子交换柱的上下游。本申请提供的测定装置可确保除盐水介质的温度与流速和除氧树脂实际工作环境一致，采用自循环回路，节约资源，提高经济效益，集成数据处理系统可实现全自动智能化控制。
The present application relates to a device for measuring the deoxygenation capacity of a deoxygenation resin, comprising: a deoxygenation circuit, which comprises a first circulating water pump, a constant temperature stirring water tank and a deoxygenation ion exchange column connected in series through a first pipeline; the constant temperature stirring water tank is also connected to an air supply device and a nitrogen supply device; a desalination circuit, which comprises a second circulating water pump, a desalination ion exchange column and the constant temperature stirring water tank connected in series through a second pipeline; an integrated data processing system, which is connected to the deoxygenation circuit and the desalination circuit; and two dissolved oxygen detection devices are connected to the first pipeline, and along the flow direction of the desalted water in the first pipeline, the two dissolved oxygen detection devices are respectively located upstream and downstream of the deoxygenation ion exchange column. The measuring device provided in the present application can ensure that the temperature and flow rate of the desalted water medium are consistent with the actual working environment of the deoxygenation resin, adopt a self-circulating circuit, save resources, and improve economic benefits. The integrated data processing system can realize fully automatic intelligent control.
Description
Technical Field
The application relates to the technical field of nuclear reactor deoxidization, in particular to a device for measuring deoxidization capacity of deoxidizing resin.
Background
The main loop of the reactor of the ship nuclear power plant is required to use high-capacity high-temperature resistant deoxidizing resin to treat the dissolved oxygen in the plant water, and the dissolved oxygen of the effluent water quality is required to be smaller than 0.05mg/L, so that the accurate measurement of the deoxidizing capacity of the deoxidizing resin in actual working has stronger guiding significance for the performance improvement and final engineering application. During the operation of the water quality treatment device of the ship nuclear power device, the operation flow rate is high, the medium water temperature is high, the working deoxidization capacity of deoxidization resin needs to be accurately measured, and the temperature and the flow rate in the test process are required to be consistent with the actual use conditions of the deoxidization resin.
At present, the deoxidization capacity of deoxidization resin is measured by adopting a self-flowing device, about 10t of desalted water is generally consumed, larger resource waste exists, in addition, the testing condition is single, the actual application scene of deoxidization resin is difficult to reduce, and the accuracy of the testing result is lower.
Disclosure of Invention
The embodiment of the application provides a device for measuring the deoxidization capacity of deoxidization resin, which aims to solve the problems of high resource consumption and low accuracy of test results of the device for measuring the deoxidization capacity of deoxidization resin in the related technology.
The technical scheme provided by the application is as follows:
the application provides a device for measuring the deoxidizing capacity of deoxidizing resin, which comprises:
the deoxygenation loop comprises a first circulating water pump, a constant temperature stirring water tank and a deoxygenation ion exchange column which are connected in series through a first pipeline, wherein the constant temperature stirring water tank is also connected with an air supply device and a nitrogen supply device;
The desalting loop comprises a second circulating water pump, a desalting ion exchange column and the constant-temperature stirring water tank which are connected in series through a second pipeline;
an integrated data processing system connected to the deoxygenation circuit and the desalination circuit;
And the first pipeline is connected with two dissolved oxygen detection devices, and the two dissolved oxygen detection devices are respectively positioned at the upstream and downstream of the deoxidized ion exchange column along the flow direction of desalted water in the first pipeline.
In some embodiments, the dissolved oxygen detection device comprises a third pipeline, and a first valve, a cooler, a dissolved oxygen sensor and a first conductivity meter which are sequentially connected in series on the third pipeline, wherein one end of the third pipeline is connected to the first pipeline.
In some embodiments, the dissolved oxygen detection device further comprises a second valve connected to the cooler through a cooling water conduit.
In some embodiments, the dissolved oxygen detecting device further includes a fourth pipeline, and a third valve and a sampling tube sequentially connected in series on the fourth pipeline, wherein one end of the fourth pipeline is connected to the third pipeline, and the fourth pipeline is located downstream of the first conductivity meter along the flow direction of desalted water in the third pipeline.
In some embodiments, outlet ends of the third pipelines of the two dissolved oxygen detection devices are connected to the first pipeline, and along the flow direction of desalted water in the first pipeline, the outlet ends are positioned at the downstream of the deoxidized ion exchange column and at the upstream of the constant-temperature stirring water tank;
The inlet ends of the third pipelines of the two dissolved oxygen detection devices are connected to the first pipeline and are respectively positioned at the upstream and downstream of the deoxidizing ion exchange column along the flow direction of desalted water in the first pipeline.
In some embodiments, the nitrogen gas supply device comprises a fifth pipeline, and a fourth valve and a nitrogen gas bottle which are sequentially connected in series on the fifth pipeline, wherein one end of the fifth pipeline is connected to the constant temperature stirring water tank.
In some embodiments, the deoxygenation circuit further comprises a fifth valve, and the fifth valve is connected in parallel to the deoxygenation ion exchange column through a sixth pipeline;
a sixth valve and a seventh valve are further arranged on the first pipeline, and are positioned at the downstream of the deoxidizing ion exchange column along the flow direction of the desalted water in the first pipeline;
and one end of the sixth pipeline is positioned between the sixth valve and the seventh valve.
In some embodiments, the air supply device comprises a seventh pipeline, and an air filter and an air blowing pump which are sequentially connected in series on the seventh pipeline, wherein one end of the seventh pipeline is connected to the constant temperature stirring water tank.
In some embodiments, the first conduit is provided with a flow meter and a timer.
In some embodiments, a second conductivity meter is disposed on the second pipeline and is located downstream of the desalting ion exchange column along the flow direction of the desalted water in the second pipeline.
The technical scheme provided by the application has the beneficial effects that:
(1) According to the desalting loop, the temperature of the desalted water can be kept at a certain value through the constant-temperature stirring water tank, in addition, the content of dissolved oxygen in the desalted water can be adjusted through the air supply device and the nitrogen supply device, a desalted water medium consistent with the actual working environment of the resin is provided for a test system, and the accuracy of a detection result is improved;
(2) The desalting loop and the deoxidizing loop realize the recycling of water medium, the desalting ion exchange column is arranged to process the water quality of the water tank in real time, so that the conductivity of the water quality at the inlet of the deoxidizing ion exchange column meets the requirement, only about 60L of desalted water is used in the whole test process, and if the test of the working deoxidizing capacity by adopting the common deoxidizing resin usually needs about 10t of desalted water, the application can realize the self-circulation of water, save resources and improve economic benefit;
(3) The application is provided with an integrated data processing system, can collect, monitor and analyze data, realizes the automatic control of the work and the on-off state of the deoxidization loop and the desalting loop, processes the data through software, automatically obtains the deoxidization capacity of deoxidization resin work, and has the advantages of high automation degree and accurate detection result.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a device for measuring the deoxidizing capacity of deoxidizing resin according to an embodiment of the present application.
The device comprises a first pipeline, a first circulating water pump, a 3 constant-temperature stirring water tank, 12, 4, an oxygen-removing ion exchange column, 5, an air supply device, 6, a nitrogen supply device, 7, a second pipeline, 8, a second circulating water pump, 9, a desalting ion exchange column, 10, an integrated data processing system, 11, a third pipeline, 12, a first valve, 13, a cooler, 14, a dissolved oxygen sensor, 15, a first conductivity meter, 16, a second valve, 17, a cooling water pipeline, 18, a fourth pipeline, 19, a third valve, 20, a fifth pipeline, 21, a fourth valve, 22, a nitrogen bottle, 23, a fifth valve, 24, a sixth pipeline, 25, a sixth valve, 26, a seventh valve, 27, a seventh pipeline, 28, an air filter, 29, a blast pump and 30, and a second conductivity meter.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, the embodiment of the application provides a device for measuring the deoxidizing capacity of deoxidizing resin, which comprises a first circulating water pump 2, a constant temperature stirring water tank 3 and a deoxidizing ion exchange column 4 which are connected in series through a first pipeline 1, wherein the constant temperature stirring water tank 3 is also connected with an air supply device 5 and a nitrogen supply device 6;
the desalting loop comprises a second circulating water pump 8, a desalting ion exchange column 9 and the constant-temperature stirring water tank 3 which are connected in series through a second pipeline 7;
an integrated data processing system 10 connected to the deoxygenation circuit and the desalination circuit;
and two dissolved oxygen detection devices are connected to the first pipeline 1 and are respectively positioned at the upstream and downstream of the deoxidizing ion exchange column 4 along the flow direction of the desalted water in the first pipeline 1.
The device provided by the application has the following working detection principle:
The constant temperature stirring water tank 3 has the heating heat preservation function, and demineralized water can be heated to the required temperature through the constant temperature stirring water tank, provides the demineralized water medium unanimous with deoxidization resin actual operational environment, and high temperature demineralized water gets into deoxidization ion exchange column 4 through first circulating water pump 2, and deoxidization resin deoxidization back gets back to constant temperature stirring water tank 3 in the post.
The dissolved oxygen detection device at the inlet can monitor and record the dissolved oxygen content of the water quality at the inlet of the deoxidized ion exchange column 4 in real time, and the system automatically supplements air through the air supply device 5 and the nitrogen supply device 6 by monitoring the dissolved oxygen content of the water quality at the inlet, so as to ensure the constant dissolved oxygen content of the water quality at the inlet.
The dissolved oxygen detection device at the outlet can monitor and record the dissolved oxygen content of the water quality at the outlet of the deoxidized ion exchange column 4 in real time, the failure condition of deoxidized resin is judged by monitoring the dissolved oxygen content of the water quality at the outlet, if the resin fails, the test device automatically stops, and finally the deoxidizing capacity of the deoxidized resin can be calculated according to the desalting water quantity and the dissolved oxygen concentration passing through the deoxidized ion exchange column 4.
The desalted water in the constant temperature stirring water tank 3 also enters a desalted ion exchange column 9 through a second circulating water pump 8 to be purified, and the desalted water returns to the constant temperature stirring water tank 3 after being desalted by the desalted resin in the column.
The integrated data processing system 10 can effectively regulate the flow rate of a loop, the dissolved oxygen content of inlet water and accurately and effectively monitor the test result, the whole device has high integration level, realizes automatic test, and provides a new thought for testing the working deoxidization capacity of the novel high-capacity high-temperature-resistant self-reaction deoxidization resin.
In some embodiments, the dissolved oxygen detection device comprises a third pipeline 11, and a first valve 12, a cooler 13, a dissolved oxygen sensor 14 and a first conductivity meter 15 which are sequentially connected in series on the third pipeline 11, wherein one end of the third pipeline 11 is connected to the first pipeline 1.
The cooler 13 is used for reducing the temperature of desalted water to be measured, providing favorable conditions for subsequent detection of the content of dissolved oxygen, and the integrated data processing system 10 can be used for obtaining the content of dissolved oxygen and the content of ions in water entering and exiting the deoxidized ion exchange column 4 through the dissolved oxygen sensor 14 and the first conductivity meter 15.
In some embodiments, the dissolved oxygen detection apparatus further comprises a second valve 16, and the second valve 16 is connected to the cooler 13 through a cooling water pipe 17.
Further, the cooling water pipe 17 communicates with tap water, and the high-temperature demineralized water is cooled by the tap water.
In some embodiments, the dissolved oxygen detecting device further includes a fourth pipe 18, and a third valve 19 and a sampling tube sequentially connected in series to the fourth pipe 18, where one end of the fourth pipe 18 is connected to the third pipe 11 and is located downstream of the first conductivity meter 15 along the flow direction of the desalted water in the third pipe 11.
The setting of sampling tube makes operating personnel can gather the demineralized water in the circulation pipeline, and the operating personnel of being convenient for carries out manual detection etc. to the demineralized water.
In some embodiments, outlet ends of the third pipelines 11 of the two dissolved oxygen detection devices are connected to the first pipeline 1, and along the flow direction of desalted water in the first pipeline 1, the outlet ends are located downstream of the deoxidized ion exchange column 4 and upstream of the constant-temperature stirring water tank 3;
The inlet ends of the third pipelines 11 of the two dissolved oxygen detection devices are connected to the first pipeline 1, and along the flow direction of desalted water in the first pipeline 1, the inlet ends of the third pipelines 11 of the two dissolved oxygen detection devices are respectively positioned at the upstream and downstream of the deoxidized ion exchange column 4.
The outlet end of the third pipeline 11 in the dissolved oxygen detection device is connected to the first pipeline 1, and the detected desalted water can be recycled to the constant-temperature stirring water tank 3, so that the desalted water consumption is further saved.
In some embodiments, the nitrogen supply device 6 includes a fifth pipeline 20, and a fourth valve 21 and a nitrogen bottle 22 sequentially connected in series on the fifth pipeline 20, where one end of the fifth pipeline 20 is connected to the thermostatic agitation water tank 3.
The nitrogen cylinder 22 is used for storing nitrogen gas, and can supply nitrogen gas to the constant temperature stirring water tank 3 for adjusting the dissolved oxygen content in the desalted water to be maintained at a predetermined value.
In a preferred embodiment, the fourth valve 21 is electrically connected to the data integrated processing system 10, and the data integrated processing system 10 can control the opening and closing of the fourth valve 21 and the opening and closing degree.
In some embodiments, the deoxygenation circuit further comprises a fifth valve 23, and the fifth valve 23 is connected in parallel to the deoxygenation ion exchange column 4 through a sixth pipeline 24;
A sixth valve 25 and a seventh valve 26 are further arranged on the first pipeline 1, and the sixth valve 25 and the seventh valve 26 are positioned at the downstream of the deoxidizing ion exchange column 4 along the flow direction of the desalted water in the first pipeline 1;
And, one end of the sixth pipe 24 is located between the sixth valve 25 and the seventh valve 26.
The sixth conduit 24 is used for bypass diversion to regulate the flow of desalinated water into the deoxygenated ion exchange column 4.
In some embodiments, the air supply device 5 comprises a seventh pipe 27, and an air filter 28 and an air pump 29 connected in series on the seventh pipe 27, wherein one end of the seventh pipe 27 is connected to the thermostatic agitation water tank 3.
The air filter 28 is used for filtering impurities and dust in the air, ensures that the air enters the constant-temperature stirring water tank 3 to be clean air, and meets the water quality requirement of desalted water.
Air in the external environment enters the constant temperature stirring water tank 3 through the air filter 28 and the air blowing pump 29, and the dissolved oxygen content of the desalted water is regulated and controlled by the nitrogen supply device 6.
In some embodiments, the first pipe 1 is provided with a flowmeter and a timer.
The flowmeter and the timer are used for carrying out water quantity statistics on the desalted water passing through the deoxidized ion exchange column 4, and further, in order to improve the accuracy of the test result, the flowmeter is preferably arranged at the inlet end of the deoxidized ion exchange column 4.
In some embodiments, a second conductivity meter 30 is disposed on the second pipe 7, and along the flow direction of the desalted water in the second pipe 7, the second conductivity meter 30 is located downstream of the desalted ion exchange column 9.
The second conductivity meter 30 is used for detecting conductivity data of the water outlet of the desalting ion exchange column 9, so as to monitor the use condition of the desalting resin in the desalting ion exchange column 9.
The device provided by the application monitors and analyzes all monitoring data through the integrated data processing system 10, controls the test device according to the monitoring data by the integrated data processing system, controls and regulates the opening and closing of the air supply device 5 and the nitrogen supply device 6 through the content of dissolved oxygen in the inlet, monitors whether the deoxidized resin to be tested fails or not through the content of dissolved oxygen in the outlet, automatically closes the test device if the deoxidized resin fails, monitors the use condition of the deoxidized resin through monitoring the data of the conductivity meter at the outlet of the deoxidized resin, automatically regulates the flow rate of a loop through monitoring a flowmeter, controls the flow rate in a range required by the test, and obtains the working deoxidized capacity of the deoxidized resin through the integrated data processing system.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected via an intervening medium, or may be in communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310140839.4A CN116027005B (en) | 2023-02-20 | 2023-02-20 | A device for measuring the deoxygenation capacity of deoxygenating resin |
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| CN202310140839.4A CN116027005B (en) | 2023-02-20 | 2023-02-20 | A device for measuring the deoxygenation capacity of deoxygenating resin |
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| CN116027005B true CN116027005B (en) | 2025-05-06 |
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| CN119320183A (en) * | 2024-10-16 | 2025-01-17 | 中国核动力研究设计院 | Source water deoxidization system and deoxidization method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208103985U (en) * | 2018-02-02 | 2018-11-16 | 深圳市中电加美电力技术有限公司 | A kind of catalytic deoxidation system of nuclear power station |
| CN215667293U (en) * | 2021-07-12 | 2022-01-28 | 三门核电有限公司 | Palladium-loaded catalytic resin deoxygenation system |
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| MX374856B (en) * | 2012-04-05 | 2025-03-04 | Richard Paul Posa | SYSTEM AND METHOD FOR WATER TREATMENT. |
| JP7059148B2 (en) * | 2018-08-23 | 2022-04-25 | 大陽日酸株式会社 | Test equipment and method for oxygen dissolution equipment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208103985U (en) * | 2018-02-02 | 2018-11-16 | 深圳市中电加美电力技术有限公司 | A kind of catalytic deoxidation system of nuclear power station |
| CN215667293U (en) * | 2021-07-12 | 2022-01-28 | 三门核电有限公司 | Palladium-loaded catalytic resin deoxygenation system |
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