CN210730403U - Nuclear power station gas sampling and cleaning equipment and nuclear power station gas sampling and cleaning system - Google Patents
Nuclear power station gas sampling and cleaning equipment and nuclear power station gas sampling and cleaning system Download PDFInfo
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- CN210730403U CN210730403U CN201921086095.8U CN201921086095U CN210730403U CN 210730403 U CN210730403 U CN 210730403U CN 201921086095 U CN201921086095 U CN 201921086095U CN 210730403 U CN210730403 U CN 210730403U
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Abstract
The utility model belongs to the technical field of the nuclear power station chemistry sample, a nuclear power station gas sampling cleaning equipment and nuclear power station gas sampling cleaning system is related to. The nuclear power station gas sampling and cleaning equipment comprises a gas sampling container, an ultrasonic cleaning module and a first gas circuit pipe; a closed cavity is arranged in the gas sampling container, and a vent hole which is communicated with the closed cavity and is used for the first air path pipe to pass through is arranged on the gas sampling container; the ultrasonic cleaning module comprises an ultrasonic controller, an ultrasonic generator electrically connected with the ultrasonic controller and an ultrasonic transducer electrically connected with the ultrasonic generator, wherein the ultrasonic transducer is arranged in the sealed cavity, and the ultrasonic controller and the ultrasonic generator are arranged outside the sealed cavity. The utility model adopts the ultrasonic cleaning module to clean the gas circuit crystal, and has simple and convenient operation; the problems of long cleaning process cost time, complex operation, equipment corrosion and high risk in the chemical cleaning process of the crystals in the existing gas sampling container are solved.
Description
Technical Field
The utility model relates to a nuclear power station chemistry sample technical field especially relates to a nuclear power station gas sampling cleaning equipment and nuclear power station gas sampling cleaning system.
Background
When a nuclear power plant samples gas, the gas is collected by chemical reaction between absorption liquid and the gas, and solids may be generated during the chemical reactionThe accumulation of these solids can clog the gas sampling tube and prevent gas collection. At present, a nuclear power station generally adopts a chemical method to dissolve solids so as to clean a gas sampling container, but the method for cleaning the gas sampling container by adopting the chemical method has long cleaning time and complex operation and can also injure workers. For example, the nuclear power plant adopts a gaseous carbon 14 sampler which adopts 2mol/L NaOH as absorption liquid, and NaHCO is generated due to chemical reaction in the sampling process3、Na2CO3Crystallization and excess NaOH crystallization, these 3 crystallization products build up gradually in the air inlet tube to block the air path, resulting in sample collection failure. The current nuclear power station adopts an acid dissolution cleaning method to dissolve solids, the method adopts the principle that a dilute hydrochloric acid solution is injected into a gas path to dissolve crystals after sampling is stopped, and the following problems exist in actual operation: 1) the pickling machine is complex and tedious to operate; 2) secondly, the acid liquor belongs to dangerous chemicals and has the risk of personnel burn; 3) the risk of splashing high-temperature liquid to hurt people is caused when the high-temperature tube of the sampler catalytic furnace is acid-washed; 4) under the condition of serious crystallization blockage, the pickling resistance is increased, and the risk of equipment corrosion caused by acid liquor leakage exists; 5) the labor hour required for acid washing accounts for 70% of the labor hour required for carbon 14 sampling, and the labor cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the nuclear power plant gas sampling and cleaning equipment and the nuclear power plant gas sampling and cleaning system are provided for solving the problems of long cleaning time, complex operation, equipment corrosion and high risk in the existing chemical cleaning process of crystals in a gas sampling container.
The utility model provides a nuclear power station gas sampling cleaning device on one hand, which comprises a gas sampling container, an ultrasonic cleaning module and a first gas line pipe; a closed cavity is arranged in the gas sampling container, and a vent hole communicated with the closed cavity and used for a first air path pipe to penetrate through is formed in the gas sampling container; the ultrasonic cleaning module includes ultrasonic controller, with supersonic generator that ultrasonic controller electricity is connected and with the ultrasonic transducer that supersonic generator electricity is connected, ultrasonic transducer sets up in the sealed cavity, ultrasonic controller with supersonic generator sets up outside the sealed cavity.
Optionally, the gas sampling container comprises a container body and a container cover body, a closed cavity is formed between the container body and the container cover body, and the container cover body is provided with the vent hole for the first air path pipe to pass through.
Optionally, the ultrasonic cleaning module further comprises a connecting wire for connecting the ultrasonic generator and the ultrasonic transducer; and the container cover body is provided with a connecting hole for the connecting wire to pass through.
Optionally, the nuclear power station gas sampling cleaning equipment further comprises a signal acquisition module, wherein the signal acquisition module is arranged in the closed cavity, is electrically connected with the ultrasonic controller and is used for acquiring the gas flow and the gas pressure difference in the closed cavity and sending the gas flow and the gas pressure difference to the ultrasonic controller.
Optionally, the signal acquisition module includes a flow meter and an airflow differential pressure sensor, the flow meter acquires the gas flow in the closed cavity and sends to the ultrasonic controller, and the airflow differential pressure sensor acquires the gas differential pressure in the closed cavity and sends to the ultrasonic controller.
Optionally, the distance between the flow meter and the ultrasonic transducer is greater than a preset threshold value.
Optionally, the flowmeter includes a flow acquisition probe and a flow signal processor electrically connected to the flow acquisition probe, the flow acquisition probe is disposed in the closed chamber and located at the lower end of the first gas line pipe.
Optionally, the airflow pressure difference sensor comprises a first airflow pressure sensing probe and a second airflow pressure sensing probe which are electrically connected with the ultrasonic controller, the first airflow pressure sensing probe is arranged on the first air path pipe and is far away from the pipe orifice of the closed cavity, and the second airflow pressure sensing probe is arranged in the closed cavity.
The utility model discloses the second aspect provides a nuclear power station gas sample cleaning system, including at least two as above nuclear power station gas sample cleaning equipment and second gas circuit pipe, the second gas circuit pipe is used for connecting at least two airtight cavity between the gas sampling container.
Optionally, at least two of the nuclear power plant gas sampling and cleaning devices share one ultrasonic controller and one ultrasonic generator.
The utility model discloses a nuclear power station gas sampling cleaning equipment and nuclear power station gas sampling cleaning system, the gas circuit crystallization in first gas circuit pipe influences gaseous the entering during gas sampling container, ultrasonic controller control ultrasonic generator with electric energy transformation into with ultrasonic transducer assorted high frequency alternating current signal, with the drive ultrasonic transducer work, ultrasonic transducer turns into high frequency alternating current signal ultrasonic wave and transmission to wash the gas circuit crystallization fast, easy operation has accelerated the speed of wasing, and effectively reduces the risk.
Drawings
Fig. 1 is a schematic view of a nuclear power plant gas sampling and cleaning device and a nuclear power plant gas sampling and cleaning device in a nuclear power plant gas sampling and cleaning system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a nuclear power station gas sampling and cleaning system in a nuclear power station gas sampling and cleaning device and a nuclear power station gas sampling and cleaning system provided by an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a gas sampling vessel; 11. closing the chamber; 12. a vent hole; 13. a container body; 14. a container lid;
2. an ultrasonic cleaning module; 21. an ultrasonic controller; 22. an ultrasonic generator; 23. an ultrasonic transducer; 24. a connecting wire;
3. a first gas line pipe;
4. a signal acquisition module; 41. a flow meter; 42. an airflow differential pressure sensor; 421. a first air pressure sensing probe; 422. a second air pressure sensing probe;
5. a second air passage pipe.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Fig. 1 shows a nuclear power plant gas sampling and cleaning device provided by an embodiment of the present invention. The nuclear power station gas sampling and cleaning equipment comprises a gas sampling container 1, an ultrasonic cleaning module 2 and a first gas circuit pipe 3. Wherein, gas sampling container 1, ultrasonic cleaning module 2 and the cooperation of first gas circuit pipe 3 can realize sampling gas to in time wash the gas circuit crystallization that produces the chemical reaction formation based on the gas of gathering and the absorption liquid in the gas sampling container 1 among the nuclear power station gas sampling cleaning equipment.
A closed cavity 11 is arranged in the gas sampling container 1, and a vent hole 12 communicated with the closed cavity 11 and used for the first air path pipe 3 to penetrate through is arranged on the gas sampling container 1. The first gas path pipe 3 extends into the gas sampling container 1 through the vent hole 12, and is used for guiding gas into the closed chamber 11 of the gas sampler 1 so as to achieve the purpose of gas sampling. Specifically, one end of the first gas path pipe 3 is arranged in the gas sampling container 1 and extends into the absorption liquid, and the other end of the first gas path pipe is connected with the gas environment to be collected and used for guiding the collected gas into the closed chamber 11 of the gas sampling container 1, and the absorption liquid is filled in the closed chamber 11 and used for carrying out chemical reaction with the collected gas so as to achieve the purpose of sampling and absorbing. It is understood that, in the case of acquiring the gaseous carbon 14 of the gaseous effluent of the nuclear power plant, the gas environment corresponding to the first gas path pipe 3 refers to the position corresponding to the exhaust port of the nuclear power plant.
The ultrasonic cleaning module 2 comprises an ultrasonic controller 21, an ultrasonic generator 22 electrically connected with the ultrasonic controller 21 and an ultrasonic transducer 23 electrically connected with the ultrasonic generator 22, wherein the ultrasonic transducer 23 is arranged in the closed chamber 11, and the ultrasonic controller 21 and the ultrasonic generator 22 are arranged outside the closed chamber 11. The gas collected by the nuclear power station gas sampling and cleaning equipment is gaseous carbon 14.
When the gas sampling and cleaning equipment for the nuclear power station works, gas enters the gas sampling container 1 through the first gas circuit pipe 3, the gas reacts with absorption liquid in the gas sampling container 1 to generate gas circuit crystals in the first gas circuit pipe 3, when the gas circuit crystals in the first gas circuit pipe 3 influence the gas to enter the gas sampling container 1, the ultrasonic controller 21 controls the ultrasonic generator 22 to convert electric energy into high-frequency alternating current signals matched with the ultrasonic transducer 23 so as to drive the ultrasonic transducer 23 to work, the ultrasonic transducer 23 converts the high-frequency alternating current signals into ultrasonic waves and transmits the ultrasonic waves, the ultrasonic waves enable the absorption liquid in the gas sampling container 1 to generate cleaning bubbles and enable the cleaning bubbles to explode so as to break the gas circuit crystals on the first gas circuit pipe 3 immersed in the absorption liquid and enable the gas circuit crystals to automatically peel off, thereby realizing the rapid and convenient cleaning of the gas circuit crystals in the first gas circuit pipe 3, greatly improving the cleaning efficiency.
The nuclear power station gas sampling cleaning equipment that this embodiment provided carries out gas circuit crystallization and washs the mode, and when the gas circuit crystallization in first gas circuit pipe 3 influences gaseous entering gas sampling container, ultrasonic controller 21 control supersonic generator 22 with electric energy transformation and ultrasonic transducer 23 assorted high frequency alternating current signal to drive ultrasonic transducer 23 work, ultrasonic transducer 23 turns into the ultrasonic wave with high frequency alternating current signal and transmits, with quick washing gas circuit crystallization. The ultrasonic cleaning module 2 utilizes the physical cleaning principle, is simple to operate, accelerates the cleaning speed and effectively reduces the risk
In one embodiment, as shown in FIG. 1, the gas sampling container 1 includes a container body 13 and a container top 14, wherein a closed cavity 11 is formed between the container body 13 and the container top 14. Since the gas in the nuclear power plant may have radioactivity, the gas sampling container 1 is provided with a sealed chamber 11 in order to avoid gas leakage and prevent gas sampling absorption. In this embodiment, the vent hole 12 is disposed on the container cover 14, and the first gas path pipe 3 penetrates through the vent hole 12 and extends into the gas sampling container 1, so that the gas enters the gas sampling container 1 through the first gas path pipe 3, and then chemically reacts with the absorption liquid in the gas sampling container 1, thereby achieving the purpose of gas sampling and absorption.
In one embodiment, as shown in fig. 1, the ultrasonic cleaning module 2 further includes a connection line 24 for connecting the ultrasonic generator 22 and the ultrasonic transducer 23, the connection line 24 electrically connects the ultrasonic generator 22 and the ultrasonic transducer 23, the container lid 14 is provided with a connection hole for the connection line 24 to pass through, one end of the connection line 24 is connected to the ultrasonic generator 22, and the other end of the connection line 24 is connected to the ultrasonic transducer 23. Since the volume of the closed chamber 11 is small, the ultrasonic generator 22 and the ultrasonic transducer 23 are connected through the connection hole by the connection wire 24, so that the ultrasonic transducer 23 is disposed inside the closed chamber 11, the ultrasonic generator 22 is disposed outside the closed chamber 11, so that the high frequency AC signal is converted into ultrasonic waves by the ultrasonic transducer 23 and transmitted, the ultrasonic waves generate cleaning bubbles in the absorption liquid in the gas sampling container 1 and explode the cleaning bubbles, so as to break the gas circuit crystal on the first gas circuit pipe 3 immersed in the absorption liquid, and lead the gas circuit crystal to be automatically peeled off, thereby achieving the purpose of cleaning the gas circuit crystal in the first gas circuit pipe 3, the ultrasonic transducer 23 is arranged in the closed chamber 11, and the ultrasonic generator 22 is arranged outside the closed chamber 11, so that the purpose of miniaturizing the structure of the gas sampling container 1 is achieved, and the ultrasonic generator 22 is not required to be arranged in the closed chamber 11.
In an embodiment, as shown in fig. 1, the gas sampling and cleaning equipment for the nuclear power plant further includes a signal acquisition module 4, and the signal acquisition module 4 is disposed in the closed chamber 11, electrically connected to the ultrasonic controller 21, and configured to acquire a gas flow rate and a gas pressure difference in the closed chamber 11 and send the gas flow rate and the gas pressure difference to the ultrasonic controller 21. The signal acquisition module 4 sends the gas flow and the gas pressure difference in the closed chamber 11 to the ultrasonic controller 21, so that the ultrasonic controller 21 controls the ultrasonic generator 22 to be opened according to the gas pressure difference, and the ultrasonic controller 21 controls the ultrasonic generator 22 to be closed according to the gas flow. In the embodiment, in order to improve the working efficiency, gas sampling and cleaning of the first gas path pipe 3 are performed simultaneously, when gas collection is affected by gas path crystallization in the first gas path pipe 3, the gas pressure difference measured by the signal acquisition module 4 is increased, when the gas pressure difference reaches a preset pressure difference, the ultrasonic controller 21 controls the ultrasonic generator 22 to be started, and the ultrasonic generator 22 controls the ultrasonic transducer 23 to generate ultrasonic waves to clean the gas path crystallization; in the cleaning process, the gas circuit crystals are gradually dissolved, gas begins to enter the gas sampling container 1, but the gas pressure difference cannot be immediately reduced, at the moment, the ultrasonic controller 21 controls the ultrasonic generator 22 to be closed through the collected gas flow signals, and when the gas flow reaches a preset flow value, the purpose of automatically and quickly cleaning the gas circuit crystals in the first gas circuit pipe 3 is achieved, manual intervention is not needed, and the labor cost is saved.
In one embodiment, as shown in fig. 1, the signal acquisition module 4 includes a flow meter 41 and a differential flow pressure sensor 42, the flow meter 41 acquires the gas flow rate in the closed chamber 11 and sends the gas flow rate to the ultrasonic controller 21, and the ultrasonic controller 21 controls the ultrasonic generator 22 to be turned off according to the gas flow rate signal; the airflow pressure difference sensor 42 collects the air pressure difference in the closed chamber 11 and sends the air pressure difference to the ultrasonic controller 21, and the ultrasonic controller 21 controls the ultrasonic generator 22 to be opened according to the air pressure difference. When the ultrasonic controller 21 receives the gas pressure difference sent by the gas flow pressure difference sensor 42 and reaches the preset pressure difference, the ultrasonic controller 21 controls the ultrasonic generator 22 to work to convert electric energy into a high-frequency alternating current signal matched with the ultrasonic transducer 23 so as to drive the ultrasonic transducer 23 to work, the ultrasonic transducer 23 converts the high-frequency alternating current signal into ultrasonic waves and transmits the ultrasonic waves, the ultrasonic waves enable the absorption liquid in the gas sampling container 1 to generate cleaning bubbles and enable the cleaning bubbles to explode, the gas path crystals of the first gas path pipe 3 immersed in the absorption liquid are broken, the gas path crystals are automatically peeled off, and the gas path crystals in the first gas path pipe 3 are quickly and conveniently cleaned. In the cleaning process, the gas path crystal is gradually dissolved, the gas starts to enter the gas sampling container 1, but the gas pressure difference cannot be immediately reduced, at the moment, the ultrasonic controller 21 controls the ultrasonic generator 22 to be closed through collecting the gas flow of the flowmeter 41, and when the gas flow reaches a preset flow value, the gas path crystal in the first gas path pipe 3 is quickly and conveniently cleaned by the ultrasonic controller 21.
In one embodiment, as shown in fig. 1, the flow meter 41 includes a flow rate acquisition probe (not shown) and a flow rate signal processor (not shown) electrically connected to the flow rate acquisition probe, the flow rate acquisition probe is disposed in the closed chamber 11 and located at the lower end of the first gas path pipe 3 to accurately measure the gas flow rate of the gas entering the closed chamber 11.
In one embodiment, as shown in fig. 1, the distance between the flow meter 41 and the ultrasonic transducer 23 is greater than a preset threshold value, so as to prevent the ultrasonic waves generated by the ultrasonic transducer 23 from affecting the normal operation of the flow meter 41. It will be appreciated that the predetermined threshold value is determined only to ensure proper operation of the ultrasonic transducer 23 and the affected flow meter 41.
In an embodiment, as shown in fig. 1, the airflow pressure difference sensor 42 includes a first air pressure sensing probe 421 and a second air pressure sensing probe 422 connected to the ultrasonic controller 21, the first air pressure sensing probe 421 is disposed at a nozzle of the first air path pipe 3 away from the sealed chamber 11, and the second air pressure sensing probe 422 is disposed in the sealed chamber 11 to measure the air pressure difference and determine whether there is an air path crystal. When the gas path crystals are gradually accumulated and the gas pressure difference is increased, when the gas pressure difference reaches the preset pressure difference, the ultrasonic controller 21 controls the ultrasonic generator 22 to be started, and the ultrasonic generator 22 enables the ultrasonic transducer 23 to generate ultrasonic waves to clean the gas path crystals.
In one embodiment, as shown in fig. 2, a nuclear power plant gas sampling and cleaning system comprises at least two nuclear power plant gas sampling and cleaning devices and a second gas line pipe 5, wherein the second gas line pipe 5 is used for communicating a closed chamber 11 between at least two gas sampling containers 1. As will be understood, since at least two nuclear power plant gas sampling and cleaning devices are included in the nuclear power plant gas sampling and cleaning system, a vent hole 12 through which the second gas line pipe 5 passes is provided in each of the vessel covers 14 of the adjacent nuclear power plant gas sampling and cleaning devices. Generally, each nuclear power station gas sampling and cleaning device is provided with two vent holes 12, one is a gas inlet hole, the other is a gas outlet hole, when a second gas path pipe 5 is adopted to communicate a closed cavity 11 between at least two gas sampling containers 1, the gas outlet hole of the previous nuclear power station gas sampling and cleaning device can be connected with the gas inlet hole of the next nuclear power station gas sampling and cleaning device by adopting the second gas path pipe 5, at the moment, the first nuclear power station gas sampling and cleaning device adopts a first gas path pipe 3 to connect the gas environment to be collected, the gas outlet hole of the last nuclear power station gas sampling and cleaning device adopts a hole cover matched with the vent hole 12 to tightly cover at least two nuclear power station gas sampling and cleaning devices in a closed communication state, so as to sample the gas entering the nuclear power station gas sampling and cleaning system, the determination of the concentration of the measured gas can be improved by adopting the nuclear power station gas sampling, and gas leakage can be avoided.
In an embodiment, as shown in fig. 2, at least two nuclear power plant gas sampling and cleaning devices share one ultrasonic controller 21 and one ultrasonic generator 22, in this embodiment, the ultrasonic generator 22 is used for controlling the ultrasonic transducer 23 in each gas sampling container 1 to be turned on or off so as to clean or stop cleaning each nuclear power plant gas sampling and cleaning device, thereby improving the working efficiency. As can be understood, according to actual conditions, the ultrasonic generator 22 can independently control the nuclear power plant gas sampling and cleaning equipment in the nuclear power plant gas sampling and cleaning system, and clean the gas circuit crystals of the nuclear power plant gas sampling and cleaning equipment, so as to achieve the purpose of accurate control; the ultrasonic generator 22 can also control all nuclear power station gas sampling and cleaning equipment in the nuclear power station gas sampling and cleaning system to clean simultaneously so as to improve the cleaning efficiency. In the nuclear power station gas sampling and cleaning system, the ultrasonic cleaning module 2 can be used for cleaning the first gas circuit pipe 3 and the second gas circuit pipe 5 of the same nuclear power station gas sampling and cleaning equipment at the same time.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A nuclear power station gas sampling and cleaning device is characterized by comprising a gas sampling container, an ultrasonic cleaning module and a first gas circuit pipe; a closed cavity is arranged in the gas sampling container, and a vent hole communicated with the closed cavity and used for a first air path pipe to penetrate through is formed in the gas sampling container; the ultrasonic cleaning module includes ultrasonic controller, with supersonic generator that ultrasonic controller electricity is connected and with the ultrasonic transducer that supersonic generator electricity is connected, ultrasonic transducer sets up in the sealed cavity, ultrasonic controller with supersonic generator sets up outside the sealed cavity.
2. The nuclear power plant gas sampling cleaning apparatus as recited in claim 1, wherein the gas sampling container includes a container body and a container lid body, a closed chamber is formed between the container body and the container lid body, and the container lid body is provided with the vent hole for the first gas path pipe to pass through.
3. The nuclear power plant gas sampling cleaning apparatus of claim 2, wherein the ultrasonic cleaning module further comprises a connection line for connecting the ultrasonic generator and the ultrasonic transducer; and the container cover body is provided with a connecting hole for the connecting wire to pass through.
4. The nuclear power plant gas sampling and cleaning equipment according to claim 1, further comprising a signal acquisition module, wherein the signal acquisition module is arranged in the closed chamber, is electrically connected with the ultrasonic controller, and is used for acquiring the gas flow and the gas pressure difference in the closed chamber and sending the gas flow and the gas pressure difference to the ultrasonic controller.
5. The nuclear power plant gas sampling and cleaning equipment according to claim 4, wherein the signal acquisition module comprises a flow meter and a gas flow differential pressure sensor, the flow meter acquires the gas flow in the closed cavity and sends the gas flow to the ultrasonic controller, and the gas flow differential pressure sensor acquires the gas differential pressure in the closed cavity and sends the gas differential pressure to the ultrasonic controller.
6. The nuclear power plant gas sampling cleaning apparatus of claim 5, wherein a distance between the flow meter and the ultrasonic transducer is greater than a preset threshold.
7. The nuclear power plant gas sampling and cleaning device according to claim 5, wherein the flow meter includes a flow rate collection probe and a flow rate signal processor electrically connected to the flow rate collection probe, and the flow rate collection probe is disposed in the closed chamber and located at a lower end of the first gas path pipe.
8. The nuclear power plant gas sampling and cleaning equipment according to claim 5, wherein the airflow pressure difference sensor comprises a first air pressure sensing probe and a second air pressure sensing probe which are electrically connected with the ultrasonic controller, the first air pressure sensing probe is arranged at a pipe orifice of the first air path pipe, which is far away from the closed chamber, and the second air pressure sensing probe is arranged in the closed chamber.
9. A nuclear power plant gas sampling and cleaning system, comprising at least two nuclear power plant gas sampling and cleaning apparatuses as claimed in any one of claims 1 to 8 and a second gas line pipe for connecting a closed chamber between at least two of the gas sampling vessels.
10. The nuclear power plant gas sampling cleaning system of claim 9, wherein at least two of the nuclear power plant gas sampling cleaning devices share one ultrasonic controller and one ultrasonic generator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921086095.8U CN210730403U (en) | 2019-07-11 | 2019-07-11 | Nuclear power station gas sampling and cleaning equipment and nuclear power station gas sampling and cleaning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921086095.8U CN210730403U (en) | 2019-07-11 | 2019-07-11 | Nuclear power station gas sampling and cleaning equipment and nuclear power station gas sampling and cleaning system |
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| CN210730403U true CN210730403U (en) | 2020-06-12 |
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| CN201921086095.8U Active CN210730403U (en) | 2019-07-11 | 2019-07-11 | Nuclear power station gas sampling and cleaning equipment and nuclear power station gas sampling and cleaning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751420A (en) * | 2021-09-29 | 2021-12-07 | 江苏徐工工程机械研究院有限公司 | Fused salt ultrasonic cleaning machine and fused salt ultrasonic cleaning method |
-
2019
- 2019-07-11 CN CN201921086095.8U patent/CN210730403U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751420A (en) * | 2021-09-29 | 2021-12-07 | 江苏徐工工程机械研究院有限公司 | Fused salt ultrasonic cleaning machine and fused salt ultrasonic cleaning method |
| CN113751420B (en) * | 2021-09-29 | 2022-10-14 | 江苏徐工工程机械研究院有限公司 | Fused salt ultrasonic cleaning machine and fused salt ultrasonic cleaning method |
| JP2023050057A (en) * | 2021-09-29 | 2023-04-10 | ジエンスー エックスシーエムジー コンストラクション マシーナリー リサーチ インスティチュート リミテッド． | Molten salt ultrasonic cleaning machine and molten salt ultrasonic cleaning method |
| US11964308B2 (en) | 2021-09-29 | 2024-04-23 | Jiangsu Xcmg Construction Machinery Research Institute Ltd. | Molten salt ultrasonic cleaning machine, and molten salt ultrasonic cleaning method |
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