CN215265597U - Dirt deposition test device - Google Patents
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- CN215265597U CN215265597U CN202121289987.5U CN202121289987U CN215265597U CN 215265597 U CN215265597 U CN 215265597U CN 202121289987 U CN202121289987 U CN 202121289987U CN 215265597 U CN215265597 U CN 215265597U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model relates to a dirt deposition test device, which comprises a circulating water system, a container, a first heater and a first detector; the circulating water system and the container form a circulating loop; the container is provided with an accommodating cavity for accommodating a sample, and a first heater is arranged in the accommodating cavity to heat the sample; the first detector is arranged in the accommodating cavity and used for detecting the temperature of the inner surface of the sample. A circulating water system is arranged to provide a water environment required by a test for a sample; controlling the water pressure and temperature in the container through a circulating water system, and controlling the temperature of the outer surface of the sample; the first heater and the first detector are arranged in the sample, so that the accurate control of the temperature of the inner surface of the sample is ensured, and the dirt condition of the sample generated under different environmental conditions is obtained. And further, according to different dirt generation degrees, the environmental parameters of the sample operation are adjusted, so that the sample is maintained to operate in a range of minimizing the dirt.
Description
Technical Field
The utility model relates to a thermal technology hydraulic characteristic research technical field of reactor core especially relates to a dirt deposit test device.
Background
The surface of the cladding of the fuel element of the light water reactor core can form oxide layers and sediments when the fuel element operates under the environment of long-term high temperature, high pressure and strong radiation. The existence of the sediments can seriously affect the reactor core neutron physics and the heat transfer characteristics of fuel elements and a coolant, cause the hazards of reactor core power deviation, local heat transfer deterioration, local corrosion aggravation damage and the like, and bring great potential safety hazards to the safe operation of the nuclear reactor.
The prior art mainly focuses on analyzing the components and formation mechanisms of deposits on the surfaces of fuel elements, and does not relate to the influence of the environment of the fuel on the degree of the deposits on the surfaces of the fuel, so that the prior art cannot provide reference for the safe operation of a nuclear reactor.
SUMMERY OF THE UTILITY MODEL
Based on this, to prior art's not enough, the utility model provides a dirt deposit test device, this dirt deposit test device can provide different operational environment for fuel to obtain the production degree of the deposit on fuel surface under the different conditions, with the dirt deposit that reduces fuel surface.
A dirt deposition test device comprises a circulating water system, a container, a first heater and a first detector;
the circulating water system comprises a first water inlet and a first water outlet, the container comprises a second water inlet and a second water outlet, the first water outlet is communicated with the second water inlet, and the second water outlet is communicated with the first water inlet;
the container is provided with a containing cavity, the containing cavity is used for containing a sample, and the first heater is arranged in the containing cavity so as to heat the sample;
the first detector is disposed in the accommodating chamber and is configured to detect a temperature of an inner surface of the sample.
In one embodiment, the circulating water system further comprises a pressurizer disposed between the first water outlet and the second water inlet, and the pressurizer is used for pressurizing water flowing out of the first water outlet.
In one embodiment, the circulating water system further comprises a second heater disposed between the pressurizer and the second water inlet, and the second heater is used for heating the water flowing out of the first water outlet.
In one embodiment, the circulating water system further comprises a heat exchanger disposed between the pressurizer and the second heater, and the heat exchanger is in communication with the second water outlet.
In one embodiment, the circulating water system further includes a condenser disposed between the heat exchanger and the first water inlet, and the condenser is used for cooling the water flowing out of the second water outlet.
In one embodiment, the circulating water system further includes a purifier disposed between the first water inlet and the condenser, the purifier being configured to filter water flowing into the first water inlet.
In one embodiment, the circulating water system further comprises a second detector disposed between the first water outlet and the purifier, the second detector being configured to detect an ion concentration in the circulating water system.
In one embodiment, the circulating water system comprises a water reservoir, the first water inlet is arranged at the top of the water reservoir, and the first water outlet is arranged at the bottom of the water reservoir.
In one embodiment, the container comprises a container cover for closing the accommodating cavity and a container body arranged below the container cover, the second water outlet is arranged on the container cover, and the second water inlet is arranged on the container body.
In one embodiment, the scale deposition testing apparatus further comprises a sample table fixedly mounted on the container cover, and a clamp is arranged on the sample table and used for clamping the sample.
The technical scheme has the following beneficial effects: according to the dirt deposition test device, the high-temperature high-pressure water environment required by the test is provided for the sample through the circulating water system, and the sample is heated through the first heater, so that dirt deposition is generated on the surface of the sample in the high-temperature high-pressure water environment. The first detector is arranged in the accommodating cavity and used for detecting the temperature of the inner surface of the sample. Controlling the water pressure and temperature in the container through a circulating water system, and controlling the temperature of the outer surface of the sample; the first heater and the first detector are arranged in the sample, so that the accurate control of the temperature of the inner surface of the sample is ensured, and the dirt condition of the sample generated under different environmental conditions is obtained. According to different dirt generation degrees, environmental parameters of the sample operation are adjusted, the sample can be maintained to operate in a range of minimizing the dirt, and the successful development of the test device can be used for evaluating the operation safety coefficient of the nuclear reactor.
Drawings
Fig. 1 is a schematic structural diagram of a dirt deposition testing apparatus according to an embodiment of the present invention;
fig. 2 is a partial cross-sectional view of the soil deposition test apparatus shown in fig. 1.
Reference numerals: 10-scale deposition test unit; 110-a container; 120-a first heater; 130-a first detector; 140-a water reservoir; 150-a pressurizer; 160-a second heater; 170-heat exchanger; 180-a condenser; 190-a purifier; 210-a second detector; 220-back pressure valve; 230-a control cabinet; 240-circulating pump; 300-sample; 400-pressure head.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, 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 therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a dirt deposition testing apparatus according to an embodiment of the present invention; fig. 2 is a partial schematic view of the soil deposition test apparatus shown in fig. 1. As shown in fig. 1 and 2, a soil deposition test apparatus 10 according to the present invention includes a circulating water system, a container 110, a first heater 120, and a first detector 130; the circulating water system comprises a first water inlet and a first water outlet, the container 110 comprises a second water inlet and a second water outlet, the first water outlet is communicated with the second water inlet, and the second water outlet is communicated with the first water inlet; the container 110 has a receiving cavity for receiving the sample 300, and the first heater 120 is disposed in the receiving cavity to heat the sample 300; the first detector 130 is disposed in the receiving chamber to detect a temperature of an inner surface of the specimen 300.
The dirt deposition test device 10 is provided with a circulating water system, so that a water environment required by the test is provided for the sample 300, a water source can be recycled, and the test cost is saved; controlling the water pressure and temperature in the container 110 through a circulating water system, and further controlling the temperature of the outer surface of the sample 300; the first heater 120 and the first detector 130 are arranged in the sample 300, so that the accurate control of the temperature of the inner surface of the sample 300 is ensured, the surface heat flux density of the sample 300 is obtained by multiplying the difference of the temperature of the inner surface and the temperature of the outer surface of the sample 300 by the thermal conductivity of the material and dividing the difference by the difference of the radius of the inner surface and the radius of the outer surface of the sample 300, and the supercooling nucleate boiling phenomenon of the outer surface of the sample 300 is adjusted by changing the heat flux density. The temperature of the inner surface of the sample 300 is determined by the heating power of the first heater 120, and the temperature of the outer surface of the sample 300 is controlled by the circulating water system, so that the fouling condition of the sample 300 generated under different environmental conditions is obtained. And then according to the difference of the dirt generation degree, the environmental parameters of the operation of the sample 300 are adjusted, so that the sample 300 operates in the parameter range of minimizing the dirt. The first heater 120 is embodied as a heating rod, the first detector 130 is embodied as a thermocouple, the heating rod and the thermocouple are both disposed inside the sample 300, the temperature of the inner surface of the sample 300 is measured by the thermocouple, and a heating rod wire and a thermocouple wire are led out from the upper end of the sample 300.
In one embodiment, the container 110 includes a container cover for closing the receiving cavity and a container body disposed under the container cover, the second water outlet is disposed on the container cover, and the second water inlet is disposed on the container body. By the design, the sample 300 is in a closed environment, so that the accuracy of the test result cannot be interfered by the influence of the external environment. The container 110 is specifically an autoclave, the autoclave is placed on a triangular bracket, the autoclave body is arranged below, the autoclave cover is arranged above, the second water inlet is arranged at the bottom of the autoclave body, and the second water outlet is arranged on the autoclave cover. The lower end of the sample 300 is hermetically arranged in the autoclave, the upper end of the sample 300 is welded with the stainless steel pipe and then led out from the autoclave cover, and the sample 300 and the autoclave cover are fastened by adopting a pressure head 400 so as to seal the sample 300 in the autoclave and prevent the accuracy of the test result from being influenced by poor sealing performance. The lower end of the tubular sample 300 is welded with the same type of metal to realize sealing, the heating rod and the thermocouple are arranged inside the sample 300 through an opening at the upper end of the sample 300, and the whole sample 300 is arranged inside the autoclave through an opening on the autoclave cover to simulate the actual high-temperature high-pressure environment.
In yet another embodiment, the soil deposition testing apparatus 10 further comprises a sample stage fixedly mounted on the container cover, the sample stage being provided with a clamp for holding the sample 300. Through being fixed in sample 300 on the sample platform to guarantee the operating stability of sample 300 in the testing process, prevent to appear boiling because of high temperature heating leads to water, make sample 300 rock in aqueous.
As shown in fig. 1, in one embodiment, the circulating water system includes a water reservoir 140, a first water inlet is disposed at the top of the water reservoir 140, and a first water outlet is disposed at the bottom of the water reservoir 140. So that the water stored in the water reservoir 140 can flow out from the first water outlet and the water used in the test procedure can flow back to the water reservoir 140 through the first water inlet, thereby realizing the recycling of the water source.
In another embodiment, as shown in fig. 1, the circulating water system further includes a pressurizer 150, the pressurizer 150 is disposed on the pipeline between the first water outlet and the second water inlet, and the pressurizer 150 is used for pressurizing the water flowing out of the first water outlet. By providing the pressurizer 150, the water is pressurized, thereby ensuring a high pressure environment required for the sample 300. The pressurizer 150 may be embodied as a high pressure pump.
Further, as shown in fig. 1, the circulating water system further includes a second heater 160 disposed on the pipeline between the pressurizer 150 and the second water inlet, and the second heater 160 is used for heating the water flowing out of the first water outlet. By providing the second heater 160, the water is heated, and a high temperature environment required for the sample 300 is maintained. The second heater may be a heating rod or the like.
Continuing to refer to fig. 1, in one embodiment, the fouling deposition testing apparatus 10 further comprises a control cabinet 230, wherein the control cabinet 230 is used for controlling the temperature of the second heater 160 and the inner surface of the test specimen 300, and displaying the temperature and pressure in the autoclave and the temperature of the inner surface of the test specimen 300. The control of the temperature of the inner surface of the sample 300 is realized through the control cabinet 230, the related electric signal leads of the heating rod and the thermocouple are led out from the upper end opening of the sample 300 and are connected into the control cabinet 230,
as shown in fig. 1, in one embodiment, the circulating water system further includes a heat exchanger 170 disposed on a pipe between the pressurizer 150 and the second heater 160, and the heat exchanger 170 is in communication with the second water outlet. Since the water flowing out of the tank 110 has a certain temperature and the water flowing back to the reservoir 140 needs to be in a normal temperature and pressure state, the heat of the hot water flowing out of the tank 110 is utilized by the heat exchanger 170, so that the temperature of the water flowing out of the tank 110 is lowered and the temperature of the water flowing into the tank 110 is raised, and the heat exchanger 170 is provided to realize the utilization of the heat and to play a role in saving energy.
It is understood that the circulating water system further includes a condenser 180 connected to the heat exchanger 170, and the condenser 180 is communicated with the first water inlet, and the condenser 180 is used for cooling the water flowing out of the second water outlet. By providing the condenser 180, the temperature of the water flowing out of the container 110 is reduced, and the water flowing into the reservoir 140 is kept at a normal temperature.
In yet another embodiment, the circulating water system further includes a purifier 190, one end of the purifier 190 is connected to the first water inlet of the water reservoir 140, and the other end of the purifier 190 is connected to the condenser 180. Through setting up clarifier 190, filter the solid particle thing in the aquatic, purify the quality of water that flows into in the water receiver 140, guarantee the cleanness of water environment, and then guarantee the water environment that sample 300 is located, guarantee the reliability of test result. The purifier 190 may be specifically activated carbon or a filter screen.
In one embodiment, the circulating water system further comprises a second detector 210 connected to the first water outlet, and the second detector 210 is connected to the purifier 190, and the second detector 210 is used for detecting the ion concentration in the water reservoir 140. The dissolved oxygen and dissolved hydrogen content of the circulating water is monitored by the second detector 210 to ensure that the ion concentration is at the target set value. Specifically, nitrogen, oxygen, and hydrogen gas may be introduced into the first water inlet of the water reservoir 140 to change the content of dissolved oxygen or dissolved hydrogen in the water reservoir 140.
In yet another embodiment, as shown in fig. 1, the fouling deposition test device 10 further comprises a circulation pump 240, the circulation pump 240 is used to pump out the water from the water reservoir 140, a part of the pumped water passes through the pressurizer 150 and the second heater 160 to the autoclave, another part passes through the second detector 210 to monitor the water quality problem in the water reservoir 140, and the water is directly connected back to the water reservoir 140 through the dissolved oxygen probe, the dissolved hydrogen probe and the purifier 190.
The following is a detailed description of the test procedure of the fouling deposition test apparatus of the present application:
firstly, preparing an aqueous solution according to test requirements, and adjusting the concentration of nickel ions and iron ions in the solution according to the actual operating environment;
opening the fill valve of reservoir 140 to begin filling, and when the water level reaches about four fifths of the height of reservoir 140, the filling is deemed complete;
placing a first heater 120 and a first detector 130 in the sample 300, wherein the lead of the first heater 120 and the lead of the first detector 130 are led out from the upper end of the sample 300 and are connected with a control cabinet 230;
placing the sample 300 into the autoclave through an opening on the autoclave cover, fixing the upper end of the sample 300 on the autoclave cover, and placing the rest part into the autoclave; installing a sealing device outside the dirt deposition sample 300, installing the sample 300 and the sealing device on a kettle cover of the high-pressure kettle, and pressing the sample 300 and the high-pressure kettle by a pressure head to realize the sealing of the sample 300 and the high-pressure kettle, putting the dirt deposition sample 300 into the high-pressure kettle, enabling the lower end of the dirt deposition sample 300 to enter the kettle body, and exposing the upper end of the dirt deposition sample out of the kettle cover;
after the sediment sample 300 is loaded, the control cabinet 230 is operated, the kettle cover is put down to enable the kettle cover to be in self-fit contact with the kettle body under the action of gravity, and then the main bolt on the kettle cover is screwed down to enable the high-pressure kettle to be completely sealed; after the dirt deposition sample 300 is loaded, releasing the kettle cover, enabling the kettle cover to be in self-fit contact with the kettle body under the action of gravity, and then screwing a main bolt on the high-pressure kettle to completely seal the high-pressure kettle;
opening a water injection valve of the high-pressure kettle, communicating the whole circulating water loop, communicating the high-pressure kettle with a circulating water system, introducing water into the high-pressure kettle, filling the high-pressure kettle with water, and adjusting the content of dissolved oxygen and dissolved hydrogen in the circulating water in the high-pressure kettle to a target value;
opening a switch button of a high-pressure pump on the control cabinet 230, manually adjusting the stroke of the high-pressure pump, keeping the flow rate of circulating water in a loop stable, then slowly screwing the back pressure valve 220, and gradually increasing the pressure until the pressure reaches a test target pressure value;
before heating, a cooling water switch of the condenser 180 is turned on, then a second heater 160 and an autoclave temperature control button on the control cabinet 230 are turned on, the test temperature is set, heating is started, the temperature in the autoclave gradually rises at the moment, and after the set temperature is reached, a temperature control device in the control cabinet 230 automatically adjusts the temperature of the autoclave until the temperature is stable;
setting the parameters of the built-in heating system of the sample 300: heating power and the temperature of the inner surface of the sample 300, and when the set temperature is reached, the temperature control device in the control cabinet 230 automatically adjusts the temperature to ensure the temperature to be stable until the heating is finished;
when the deposition test reaches the set conditions, the heating of the sample 300 is stopped, then the second heater 160 on the control cabinet 230 and the heating switch of the autoclave are closed, the temperature in the autoclave is gradually reduced, when a certain temperature is reached, the back pressure valve 220 is adjusted to reduce the pressure to zero, the stroke of the high-pressure pump is adjusted to zero, the circulating pump 240 and the high-pressure pump are closed to stop the circulation of water, then the cooling water of the condenser 180 and the water cooling device is closed, and the test is finished.
Taking the sample 300 as a zirconium alloy fuel cladding material as an example, processing the fuel into a tubular shape, maintaining the original surface of the fuel cladding on the inner and outer surfaces of the sample 300, wherein the gauge length of the sample 300 is 25mm, welding and sealing the bottom of the sample 300 by using the same type of material, leading out the other end of the sample 300 through a through hole in the middle of an autoclave, and fastening the sample 300 and the autoclave cover by using a pressure head 400. Adding water solution with nickel-iron ratio of 0.5 into water storage device 140, introducing nitrogen gas to control dissolved oxygen in water to be below 5ppb, starting circulating pump 240, after the autoclave is filled with water, starting second heater 160 and high-pressure pump to raise temperature of water solution to 320 deg.C and pressure to 13 MPa. After the temperature and the pressure are stabilized for 30 minutes, a heating switch of the heating rod is started to start a corrosion product deposition test in high-temperature and high-pressure circulating water, the temperature of the inner surface of the dirt deposition sample 300 is set to be 360 ℃, and the deposition time is about 200 hours. The results of test piece 300 show that in the test environment, the surface of test piece 300 generates the same porous dirt as the actual service environment. Because the degree of dirt generation is related to the temperature, pressure and ion concentration of circulating water and the power of the first heater 120, the ion concentration of the circulating water is changed by a single-factor variable control method, for example, the pressure of the circulating water, the temperature of the circulating water and the power of the first heater 120 are unchanged, so that the influence rule of the ion concentration on dirt deposition behaviors is obtained, other influence factors are analogized, so that test parameters with less dirt deposition amount are obtained, the environmental parameters of the fuel in a real service environment are set according to the test parameters, so that the dirt deposition on the surface of the fuel is as little as possible, and the potential safety hazard of the nuclear reactor is reduced. The experimental device is invented aiming at the influence of the sediments on the surface of the fuel element of the light water reactor on the thermal hydraulic characteristics of the reactor core, the zirconium alloy sample is placed in the autoclave corrosion deposition preparation experimental section for simulating the pressurized water reactor environment, the heat transfer and the peripheral flow of the fuel element of the reactor core of the light water reactor can be reasonably and effectively simulated, and the experimental device has the advantages of simple integral structure, easiness in processing, low cost and strong operability.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A scale deposition test apparatus, comprising a circulating water system, a container (110), a first heater (120), and a first detector (130);
the circulating water system comprises a first water inlet and a first water outlet, the container (110) comprises a second water inlet and a second water outlet, the first water outlet is communicated with the second water inlet, and the second water outlet is communicated with the first water inlet;
the container (110) is provided with a containing cavity for containing a sample (300), and the first heater (120) is arranged in the containing cavity to heat the sample (300);
the first detector (130) is disposed within the receiving cavity for detecting a temperature of an inner surface of the specimen (300).
2. The fouling deposition test device of claim 1, wherein the circulating water system further comprises a pressurizer (150), the pressurizer (150) being disposed between the first water outlet and the second water inlet, the pressurizer (150) being configured to pressurize the water flowing out of the first water outlet.
3. The fouling deposition test device of claim 2, wherein the circulating water system further comprises a second heater (160) disposed between the pressurizer (150) and the second water inlet, the second heater (160) being configured to heat water flowing out of the first water outlet.
4. The fouling deposition test device according to claim 3, wherein the circulating water system further comprises a heat exchanger (170) disposed between the pressurizer (150) and the second heater (160), and the heat exchanger (170) is in communication with the second water outlet.
5. The fouling deposition test device of claim 4, wherein the circulating water system further comprises a condenser (180) disposed between the heat exchanger (170) and the first water inlet, the condenser (180) being configured to cool water flowing out of the second water outlet.
6. The fouling deposition test device of claim 5, wherein said circulating water system further comprises a purifier (190) disposed between said first water inlet and said condenser (180), said purifier (190) being adapted to filter water flowing into said first water inlet.
7. The fouling deposition test device of claim 6, wherein said circulating water system further comprises a second detector (210) disposed between said first water outlet and said purifier (190), said second detector (210) being configured to detect an ion concentration in said circulating water system.
8. The soil deposition test device according to claim 1, wherein the circulating water system comprises a water reservoir (140), the first water inlet is provided at a top of the water reservoir (140), and the first water outlet is provided at a bottom of the water reservoir (140).
9. The fouling deposition test device of claim 1, wherein said container (110) comprises a container lid for closing said receiving cavity and a container body disposed below said container lid, said second water outlet is disposed at said container lid, and said second water inlet is disposed at said container body.
10. The soil deposition test apparatus according to claim 9, further comprising a specimen stage fixedly mounted on the container cover, wherein a clamp is provided on the specimen stage for clamping the specimen (300).
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| CN202121289987.5U CN215265597U (en) | 2021-06-09 | 2021-06-09 | Dirt deposition test device |
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| CN202121289987.5U CN215265597U (en) | 2021-06-09 | 2021-06-09 | Dirt deposition test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118430855A (en) * | 2024-04-18 | 2024-08-02 | 国家电投集团科学技术研究院有限公司 | Pressurized water reactor primary circuit water chemistry environment simulation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118430855A (en) * | 2024-04-18 | 2024-08-02 | 国家电投集团科学技术研究院有限公司 | Pressurized water reactor primary circuit water chemistry environment simulation device |
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