CN214893986U - Loop filter element running performance test system - Google Patents

Loop filter element running performance test system Download PDF

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Publication number
CN214893986U
CN214893986U CN202120630610.5U CN202120630610U CN214893986U CN 214893986 U CN214893986 U CN 214893986U CN 202120630610 U CN202120630610 U CN 202120630610U CN 214893986 U CN214893986 U CN 214893986U
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China
Prior art keywords
water tank
filter element
unit
liquid
interface unit
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CN202120630610.5U
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Chinese (zh)
Inventor
崔满满
胡晓春
桂璐廷
陈丽
王鑫
王岳
谈文姬
鲍一晨
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Shanghai Nuclear Engineering Research and Design Institute Co Ltd
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Shanghai Nuclear Engineering Research and Design Institute Co Ltd
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Abstract

The utility model relates to a nuclear power plant's water purification field, in particular to return circuit filter core operational performance test system, 1, include: the water tank is used for conveying liquid into the test system; the heating unit is arranged in the water tank and used for heating liquid in the water tank; the pressurizing unit is used for providing power for the liquid in the test system; the sample interface unit is used for connecting the filter element to be tested; the water tank, the pressurizing unit and the sample interface unit are sequentially connected in series through pipelines to form a test passage; sample valve unit, including a plurality of sample valves, it is a plurality of the sample valve is established respectively on the test access for get liquid in the test access carries out the analysis, the utility model discloses compare in prior art, can examine the filter core under the simulation operating mode, verify the reliability and the life of filter core.

Description

Loop filter element running performance test system
Technical Field
The utility model relates to a nuclear power plant's water purification field, in particular to return circuit filter core operational performance test system.
Background
A nuclear power plant primary circuit filter element is one of core key equipment for guaranteeing the requirement of nuclear power plant primary circuit water quality, and the requirement has the performances of high precision, corrosion resistance, fluid impact resistance, high pollutant carrying capacity, long service life and the like, and in order to ensure that the nuclear power plant primary circuit filter element can reliably operate for a long time in a primary circuit, the reliability and the service life examination of the nuclear power plant primary circuit filter element need to be carried out under the actual operation environment of the simulation filter element.
Accordingly, there remains a need in the art for improvements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that prior art can't detect filter core reliability and life.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a return circuit filter core service behavior test system, a serial communication port, include:
the water tank is used for conveying liquid into the test system;
the heating unit is arranged in the water tank and used for heating liquid in the water tank;
the pressurizing unit is used for providing power for the liquid in the test system;
the sample interface unit is used for connecting the filter element to be tested;
the water tank, the pressurizing unit and the sample interface unit are sequentially connected in series through pipelines to form a test passage;
and the sampling valve unit comprises a plurality of sampling valves, and the sampling valves are respectively arranged on the test passage and used for taking the liquid in the test passage for analysis.
Furthermore, the water outlet of the water tank is connected with the water inlet of the pressurizing unit through a pipeline, the water outlet of the pressurizing unit is connected with the water inlet of the sample interface unit through a pipeline, and the water outlet of the sample interface unit is connected with the water inlet of the water tank through a pipeline.
Further, the device also comprises a liquid level detection device, wherein the liquid level detection device is connected with the water tank through a pipeline and used for measuring the liquid level in the water tank.
Further, still include the temperature sensing unit, the temperature sensing unit includes first temperature sensor and second temperature sensor, first temperature sensor establishes on the water tank, be used for measuring the temperature of liquid in the water tank, second temperature sensor establishes sample interface unit department, be used for measuring the temperature of the liquid of waiting to test the filter core of flowing through.
Further, the sample interface unit comprises a differential pressure sensor, a second temperature sensor and a filter element interface to be tested, the filter element interface to be tested is used for connecting a filter element to be tested, the water outlet of the pressurizing unit is connected with the water inlet of the filter element interface to be tested through a pipeline, the water outlet of the filter element interface to be tested is connected with the water inlet of the water tank through a pipeline, and the differential pressure sensor and the second temperature sensor are connected with two sides of the filter element interface to be tested in parallel.
The pre-filtering unit comprises a pre-filter and a pre-filtering three-way valve, the pre-filter is connected in parallel to a pipeline between a water outlet of the sample interface unit and a water inlet of the water tank, the pre-filtering three-way valve is respectively arranged on pipelines at two ends of the pre-filter, when the pre-filtering three-way valve is opened to the pre-filter, all liquid output from the sample interface unit flows into the water inlet of the water tank after flowing through the pre-filter, and when the pre-filtering three-way valve is opened to a bypass pipeline, all liquid output from the sample interface unit directly flows into the water inlet of the water tank.
Further, the pressurizing unit comprises two pressurizing pumps arranged in parallel.
Further, a stirrer is arranged inside the water tank.
Furthermore, an electric regulating valve for regulating the flow of the passage, a flowmeter for detecting the flow of the passage and a negative pressure gauge for detecting the pressure of the passage are also arranged on the pipeline of the test passage.
Furthermore, the sampling valves are respectively connected to the top of the water tank, the bottom of the water tank, the pipeline between the pressurizing unit and the sample interface unit, and the pipeline between the sample interface unit and the pre-filtering unit.
The beneficial effects of the utility model reside in that:
(1) the system is provided with two test pumps, wherein one pump can be automatically switched to the other pump when in failure, so that test interruption caused by equipment failure is avoided.
(2) The test water tank adopts a closed structure and is provided with an access hole, and the middle part and the bottom part of the tank body are provided with sampling holes for sampling and analyzing; the test water tank is provided with a stirrer, so that the water temperature and the chemical components in the water can be ensured to be uniform; the test water tank is provided with an electric heater and a real-time temperature control system, so that the water temperature is kept constant during operation.
(3) The prefilter in the test system can purify water quality before the filter element to be tested is put into operation, so that the blockage of the filter element to be tested caused by excessive impurities in the initially-installed water quality is avoided, and the examination cannot be continued.
Drawings
Fig. 1 is a schematic diagram of a loop filter element operation performance test system provided by the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, a loop filter element operation performance test system is characterized by comprising:
the water tank 1 is used for conveying liquid into the test system;
the heating unit 2 is arranged in the water tank 1 and used for heating liquid in the water tank;
the pressurizing unit is used for providing power for the liquid in the test system;
the sample interface unit is used for connecting the filter element to be tested;
the water tank 1, the pressurizing unit and the sample interface unit are sequentially connected in series through pipelines to form a test passage;
and the sampling valve unit comprises a plurality of sampling valves 11, and the sampling valves 11 are respectively arranged on the test passage and used for taking the liquid in the test passage for analysis.
Further, the water outlet valve 3 of the water tank 1 is connected to a valve 8 at an inlet of the pressurizing unit through a pipeline, the valve 8 at an outlet of the pressurizing unit is connected to a water inlet of the sample interface unit through a pipeline, and a water outlet of the sample interface unit is connected to a water inlet of the water tank 1 through a pipeline.
Further, still include liquid level detection device 4, liquid level detection device 4 pass through the pipeline with water tank 1 is connected for measure the liquid level in the water tank 1.
Further, still include the temperature sensing unit, the temperature sensing unit includes first temperature sensor 5 and second temperature sensor 13, first temperature sensor 5 is established on the water tank 1 for measure the temperature of liquid in the water tank 1, second temperature sensor 13 is established sample interface unit department for measure the temperature of the liquid of waiting to test the filter core of flowing through.
Further, the sample interface unit comprises a differential pressure sensor 14, a second temperature sensor 13 and a to-be-tested filter element interface 15, the to-be-tested filter element interface 15 is used for connecting a to-be-tested filter element, a water outlet of the pressurizing unit is connected with a water inlet of the to-be-tested filter element interface 15 through a pipeline, a water outlet of the to-be-tested filter element interface 15 is connected with a water inlet of the water tank 1 through a pipeline, and the differential pressure sensor 14 and the second temperature sensor 13 are connected with two sides of the to-be-tested filter element interface in parallel.
Further, the device also comprises a prefilter unit, wherein the prefilter unit comprises a prefilter 17 and a prefilter three-way valve 16, the prefilter 17 is connected in parallel to a pipeline between the water outlet of the sample interface unit and the water inlet of the water tank 1, the prefilter three-way valve 16 is respectively arranged on pipelines at two ends of the prefilter 17, when the prefilter three-way valve 16 is opened to the prefilter, all the liquid output from the sample interface unit 15 flows into the water inlet of the water tank 1 after flowing through the prefilter 17, and when the prefilter three-way valve 16 is opened to a bypass pipeline, all the liquid output from the sample interface unit 15 directly flows into the water inlet of the water tank 1.
Further, the pressurizing unit includes two pressurizing pumps 9 arranged in parallel.
Further, a stirrer 19 is arranged inside the water tank 1.
Furthermore, an electric regulating valve 18 for regulating the flow rate of the passage, a flow meter 10 for detecting the flow rate of the passage and a negative pressure gauge 7 for detecting the pressure of the passage are arranged on the pipeline of the test passage.
Further, a plurality of sampling valves 11 are respectively connected to the top of the water tank 1, the bottom of the water tank 1, the pipeline between the pressurizing unit and the sample interface unit, and the pipeline between the sample interface unit and the pre-filtering unit, and a pressure gauge 20 for detecting the medium pressure of the water tank 1 is arranged at the top of the water tank
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A loop filter element operation performance test system is characterized by comprising:
the water tank is used for conveying liquid into the test system;
the heating unit is arranged in the water tank and used for heating liquid in the water tank;
the pressurizing unit is used for providing power for the liquid in the test system;
the sample interface unit is used for connecting the filter element to be tested;
the water tank, the pressurizing unit and the sample interface unit are sequentially connected in series through pipelines to form a test passage;
and the sampling valve unit comprises a plurality of sampling valves, and the sampling valves are respectively arranged on the test passage and used for taking the liquid in the test passage for analysis.
2. The loop filter element operational performance testing system of claim 1, wherein a water outlet of the water tank is connected to a water inlet of the pressurizing unit through a pipeline, a water outlet of the pressurizing unit is connected to a water inlet of the sample interface unit through a pipeline, and a water outlet of the sample interface unit is connected to a water inlet of the water tank through a pipeline.
3. The loop filter element running performance testing system according to claim 2, further comprising a liquid level detection device connected with the water tank through a pipeline for measuring a liquid level in the water tank.
4. The loop filter element operational performance testing system of claim 2, further comprising a temperature sensing unit including a first temperature sensor disposed on the water tank for measuring a temperature of the liquid in the water tank and a second temperature sensor disposed at the sample interface unit for measuring a temperature of the liquid flowing through the filter element to be tested.
5. The loop filter element operation performance test system according to claim 2, wherein the sample interface unit comprises a differential pressure sensor, a second temperature sensor and a filter element interface to be tested, the filter element interface to be tested is used for connecting a filter element to be tested, the water outlet of the pressurizing unit is connected with the water inlet of the filter element interface to be tested through a pipeline, the water outlet of the filter element interface to be tested is connected with the water inlet of the water tank through a pipeline, and the differential pressure sensor and the second temperature sensor are connected in parallel on two sides of the filter element interface to be tested.
6. The loop filter element operation performance testing system according to claim 2, further comprising a pre-filtering unit, wherein the pre-filtering unit comprises a pre-filter and a pre-filtering valve, the pre-filter is connected in parallel to a pipeline between the water outlet of the sample interface unit and the water inlet of the water tank, the pre-filtering valve is respectively arranged on the pipelines at two ends of the pre-filter, when the pre-filtering valve is opened, all the liquid output from the sample interface unit flows into the water inlet of the water tank after flowing through the pre-filter, and when the pre-filtering valve is closed, all the liquid output from the sample interface unit directly flows into the water inlet of the water tank.
7. The loop filter operational performance testing system of claim 2, wherein the pressurization unit comprises two pressurization pumps arranged in parallel.
8. The loop filter element running performance testing system according to claim 2, wherein an agitator is arranged inside the water tank.
9. The loop filter element operation performance test system according to claim 2, wherein the pipeline of the test passage is further provided with an electric regulating valve for regulating the flow rate of the passage, a flow meter for detecting the flow rate of the passage, and a negative pressure gauge for detecting the pressure of the passage.
10. The loop filter operational performance testing system of claim 6, wherein a plurality of the sampling valves are connected to the top of the tank, the bottom of the tank, the piping between the pressurizing unit and the sample interface unit, and the piping between the sample interface unit and the pre-filter unit, respectively.
CN202120630610.5U 2021-03-29 2021-03-29 Loop filter element running performance test system Active CN214893986U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120630610.5U CN214893986U (en) 2021-03-29 2021-03-29 Loop filter element running performance test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120630610.5U CN214893986U (en) 2021-03-29 2021-03-29 Loop filter element running performance test system

Publications (1)

Publication Number Publication Date
CN214893986U true CN214893986U (en) 2021-11-26

Family

ID=78871613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120630610.5U Active CN214893986U (en) 2021-03-29 2021-03-29 Loop filter element running performance test system

Country Status (1)

Country Link
CN (1) CN214893986U (en)

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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai

Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd.

Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai

Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd.

CP01 Change in the name or title of a patent holder