CN216562474U - High temperature gas cooled reactor fuel ball integrity detection device based on ultrasonic wave chromatography technique - Google Patents
High temperature gas cooled reactor fuel ball integrity detection device based on ultrasonic wave chromatography technique Download PDFInfo
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- CN216562474U CN216562474U CN202220063851.0U CN202220063851U CN216562474U CN 216562474 U CN216562474 U CN 216562474U CN 202220063851 U CN202220063851 U CN 202220063851U CN 216562474 U CN216562474 U CN 216562474U
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Abstract
The utility model discloses a high-temperature gas cooled reactor fuel ball integrity detection device based on ultrasonic chromatography, wherein an outlet of a feeding system is communicated with an inlet of a transmitter through a first ball path counter, a second ball path counter and a conveying singler, an outlet of the transmitter is communicated with a second opening of an inlet distributor through a slope pipeline, a first opening of the inlet distributor is communicated with a first opening of an outlet distributor through a measuring pipeline, a second opening of the outlet distributor is communicated with a discharging system through a third ball path counter and a fourth ball path counter, and a pneumatic lifting system is communicated with the transmitter through a transmitting control valve; the ultrasonic detection device is sleeved on the measuring pipeline, and the locator is arranged at the outlet of the slope pipeline, so that the device can detect the surface defect and the volume defect of the spherical fuel element of the high-temperature gas cooled reactor, and complete screening of the damaged spherical fuel element.
Description
Technical Field
The utility model belongs to the field of nuclear reactor fuel detection, and relates to a high-temperature gas cooled reactor fuel ball integrity detection device based on an ultrasonic tomography technology.
Background
The nuclear fuel element is a core component for providing fission energy for a nuclear reactor, a large amount of fissile nuclides and induced radionuclides are generated in the fission process, wherein the large amount of the radionuclides are enveloped in the nuclear fuel element of the reactor, the enveloping layer of the nuclear fuel element is a fuel element enveloping layer which is generally called a first barrier of a nuclear power plant, and the integrity of the first barrier is important guarantee for the safety of the nuclear power plant. Nuclear fuel element integrity testing of pressurized water reactors has proven experience and methodology with on-line radionuclide monitoring and integrity testing of nuclear fuel assemblies in the discharge state. The high-temperature gas cooled reactor is a first nuclear power generating set with four-generation technical characteristics in the world, a non-stop reactor refueling mode is adopted, a 60 mm-diameter spherical fuel element is used, nuclear fuel flows among equipment and pipelines of a reactor, a loading and unloading system, a new fuel system, a spent fuel system and other systems, the fuel element can be damaged to a certain extent, and the design damage rate is less than 2 multiplied by 10-4. The system designed by the current high-temperature gas cooled reactor can only identify the large-volume breakage of the fuel elements and cannot identify the small-volume breakage (because the missing part is less and the flow of the fuel ball is not influenced), if the fuel ball with the defects continuously flows in the reactor core and the system, the risk that the fuel ball is stuck in a pipeline (namely, the fuel ball is stuck) is increased, the broken fuel ball continuously participates in the nuclear fission reaction, and radioactive substances penetrate through the broken cladding layer to increase the radioactivity of the primary circuit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a high-temperature gas-cooled reactor fuel ball integrity detection device based on an ultrasonic chromatography technology, which can detect the surface defects and the volume defects of high-temperature gas-cooled reactor spherical fuel elements and complete the screening of damaged spherical fuel elements.
In order to achieve the above purpose, the device for detecting the integrity of the fuel spheres of the high-temperature gas cooled reactor based on the ultrasonic chromatography technology comprises a feeding system, a discharging system, an air lifting system, a negative pressure ventilation system, a sphere path cleaning system, a first sphere path counter, a second sphere path counter, a third sphere path counter, a fourth sphere path counter, a single conveying device, a transmitter, an inlet distributor, an outlet distributor, an ultrasonic detection device, a transmission control valve, a slope pipeline and a control and data processing system;
the outlet of the feeding system is communicated with the inlet of the emitter through a first ball path counter, a second ball path counter and a conveying single device, the outlet of the emitter is communicated with a second opening of the inlet distributor through a slope pipeline, a first opening of the inlet distributor is communicated with a first opening of the outlet distributor through a measuring pipeline, a second opening of the outlet distributor is communicated with the discharging system through a third ball path counter and a fourth ball path counter, and the pneumatic lifting system is communicated with the emitter through a transmission control valve; the ultrasonic detection device is sleeved on the measuring pipeline, and a locator is arranged at the outlet of the slope pipeline;
the control and data processing system is connected with the ultrasonic detection device, the positioner, the emission control valve, the first ball path counter, the second ball path counter, the third ball path counter and the fourth ball path counter.
The ultrasonic detection device comprises a shell, and a first transmitting transducer, a second transmitting transducer, a third transmitting transducer, a fourth transmitting transducer, a fifth transmitting transducer, a sixth transmitting transducer, a seventh transmitting transducer, an eighth transmitting transducer, a first receiving transducer, a second receiving transducer, a third receiving transducer, a fourth receiving transducer, a fifth receiving transducer, a sixth receiving transducer, a seventh receiving transducer and an eighth receiving transducer which are arranged in the shell;
the shell is sleeved on the measuring pipeline, the first transmitting transducer, the second transmitting transducer, the third transmitting transducer, the fourth transmitting transducer, the fifth transmitting transducer, the sixth transmitting transducer, the seventh transmitting transducer, the eighth transmitting transducer, the first receiving transducer, the second receiving transducer, the third receiving transducer, the fourth receiving transducer, the fifth receiving transducer, the sixth receiving transducer, the seventh receiving transducer and the eighth receiving transducer are connected with the control and data processing system through electrical penetration pieces, and the electrical penetration pieces penetrate through the shell.
The first transmitting transducer, the second transmitting transducer, the third transmitting transducer, the fourth transmitting transducer, the fifth transmitting transducer, the sixth transmitting transducer, the seventh transmitting transducer and the eighth transmitting transducer are uniformly distributed along the circumferential direction.
The first receiving transducer, the second receiving transducer, the third receiving transducer, the fourth receiving transducer, the fifth receiving transducer, the sixth receiving transducer, the seventh receiving transducer and the eighth receiving transducer are uniformly distributed along the circumferential direction.
The included angle between the slope pipeline and the horizontal plane is only 5-10 degrees.
The second receiving transducer, the third receiving transducer, the fourth receiving transducer, the fifth receiving transducer, the sixth receiving transducer, the seventh receiving transducer and the eighth receiving transducer can receive the signal transmitted by the first transmitting transducer;
the first receiving transducer, the third receiving transducer, the fourth receiving transducer, the fifth receiving transducer, the sixth receiving transducer, the seventh receiving transducer and the eighth receiving transducer can receive signals transmitted by the second transmitting transducer;
the first receiving transducer, the second receiving transducer, the fourth receiving transducer, the fifth receiving transducer, the sixth receiving transducer, the seventh receiving transducer and the eighth receiving transducer can receive signals transmitted by the third transmitting transducer;
the first receiving transducer, the second receiving transducer, the third receiving transducer, the fifth receiving transducer, the sixth receiving transducer, the seventh receiving transducer and the eighth receiving transducer can receive signals transmitted by the fourth transmitting transducer;
the first receiving transducer, the second receiving transducer, the third receiving transducer, the fourth receiving transducer, the sixth receiving transducer, the seventh receiving transducer and the eighth receiving transducer can receive signals transmitted by the fifth transmitting transducer;
the first receiving transducer, the second receiving transducer, the third receiving transducer, the fourth receiving transducer, the fifth receiving transducer, the seventh receiving transducer and the eighth receiving transducer can receive signals transmitted by the sixth transmitting transducer;
the first receiving transducer, the second receiving transducer, the third receiving transducer, the fourth receiving transducer, the fifth receiving transducer, the sixth receiving transducer and the eighth receiving transducer can receive signals transmitted by the seventh transmitting transducer;
the first receiving transducer, the second receiving transducer, the third receiving transducer, the fourth receiving transducer, the fifth receiving transducer, the sixth receiving transducer and the seventh receiving transducer can receive the signal transmitted by the eighth transmitting transducer.
The measuring pipeline is made of ultrasonic high-penetrability materials.
And the third opening of the outlet distributor and the third opening of the inlet distributor are communicated with the ball path cleaning system.
The shell is connected with a negative pressure ventilation system.
The utility model has the following beneficial effects:
when the high-temperature gas cooled reactor fuel ball integrity detection device based on the ultrasonic tomography technology is in specific operation, the ultrasonic detection device is adopted to measure the fuel balls in the measurement pipeline, wherein ultrasonic detection signals have the characteristic of strong penetrability, and a plurality of groups of probes are adopted to be configured so as to improve the detection efficiency and accuracy of the fuel balls.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of an ultrasonic testing device;
FIG. 3 is an axial cross-sectional view of an ultrasonic testing device;
FIG. 4 is a schematic diagram of transducer signal transmission and reception;
FIG. 5 is another schematic illustration of transducer signal transmission and reception;
FIG. 6 is another schematic illustration of transducer signal transmission and reception.
Wherein, 1-1 is a feeding system, 1-2 is a discharging system, 2 is an air lifting system, 3 is a negative pressure ventilation system, 4 is a ball path cleaning system, 5-1 is a first ball path counter, 5-2 is a second ball path counter, 5-3 is a third ball path counter, 5-4 is a fourth ball path counter, 6 is a conveying single device, 7 is a transmitter, 8-1 is an inlet distributor, 8-2 is an outlet distributor, 9 is an ultrasonic detection device, 10 is a transmitting control valve, 11 is a slope pipeline, 12-1 is a first transmitting transducer, 12-2 is a second transmitting transducer, 12-3 is a third transmitting transducer, 12-4 is a fourth transmitting transducer, 12-5 is a fifth transmitting transducer, 12-6 is a sixth transmitting transducer, 12-7 is a seventh transmitting transducer, 12-8 is an eighth transmitting transducer, 13-1 is a first receiving transducer, 13-2 is a second receiving transducer, 13-3 is a third receiving transducer, 13-4 is a fourth receiving transducer, 13-5 is a fifth receiving transducer, 13-6 is a sixth receiving transducer, 13-7 is a seventh receiving transducer, 13-8 is an eighth receiving transducer, 14 is an electrical penetration piece, 15 is a control and data processing system, 16 is a fuel ball, 17 is a high-permeability material, 18 is a locator, and 19 is a shell.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the utility model. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1 to 6, the fuel sphere integrity detection device for a high temperature gas cooled reactor based on ultrasonic chromatography technology according to the present invention includes a feeding system 1-1, a discharging system 1-2, an air lifting system 2, a negative pressure ventilation system 3, a sphere path cleaning system 4, a first sphere path counter 5-1, a second sphere path counter 5-2, a third sphere path counter 5-3, a fourth sphere path counter 5-4, a single delivery unit 6, a transmitter 7, an inlet distributor 8-1, an outlet distributor 8-2, an ultrasonic detection device 9, a transmission control valve 10, a slope pipeline 11, and a control and data processing system 15;
the outlet of the feeding system 1-1 passes through a first ball path counter 5-1, the second ball path counter 5-2 and the single conveying device 6 are communicated with an inlet of the emitter 7, an outlet of the emitter 7 is communicated with a second opening of the inlet distributor 8-1 through a slope pipeline 11, a first opening of the inlet distributor 8-1 is communicated with a first opening of the outlet distributor 8-2 through a measuring pipeline, a second opening of the outlet distributor 8-2 is communicated with the discharging system 1-2 through a third ball path counter 5-3 and a fourth ball path counter 5-4, a third opening of the outlet distributor 8-2 and a third opening of the inlet distributor 8-1 are communicated with the ball path cleaning system 4, and the pneumatic lifting system 2 is communicated with the emitter 7 through an emission control valve 10; the ultrasonic detection device 9 is sleeved on the measurement pipeline;
the ultrasonic detection device 9 comprises a shell 19, a control and data processing system 15, and a first transmitting transducer 12-1, a second transmitting transducer 12-2, a third transmitting transducer 12-3, a fourth transmitting transducer 12-4, a fifth transmitting transducer 12-5, a sixth transmitting transducer 12-6, a seventh transmitting transducer 12-7, an eighth transmitting transducer 12-8, a first receiving transducer 13-1, a second receiving transducer 13-2, a third receiving transducer 13-3, a fourth receiving transducer 13-4, a fifth receiving transducer 13-5, a sixth receiving transducer 13-6, a seventh receiving transducer 13-7 and an eighth receiving transducer 13-8 which are arranged in the shell 19; the first transmitting transducer 12-1, the second transmitting transducer 12-2, the third transmitting transducer 12-3, the fourth transmitting transducer 12-4, the fifth transmitting transducer 12-5, the sixth transmitting transducer 12-6, the seventh transmitting transducer 12-7 and the eighth transmitting transducer 12-8 are uniformly distributed along the circumferential direction; the first receiving transducer 13-1, the second receiving transducer 13-2, the third receiving transducer 13-3, the fourth receiving transducer 13-4, the fifth receiving transducer 13-5, the sixth receiving transducer 13-6, the seventh receiving transducer 13-7 and the eighth receiving transducer 13-8 are evenly distributed along the circumferential direction.
The first transmitting transducer 12-1, the second transmitting transducer 12-2, the third transmitting transducer 12-3, the fourth transmitting transducer 12-4, the fifth transmitting transducer 12-5, the sixth transmitting transducer 12-6, the seventh transmitting transducer 12-7, the eighth transmitting transducer 12-8, the first receiving transducer 13-1, the second receiving transducer 13-2, the third receiving transducer 13-3, the fourth receiving transducer 13-4, the fifth receiving transducer 13-5, the sixth receiving transducer 13-6, the seventh receiving transducer 13-7 and the eighth receiving transducer 13-8 are connected with the control and data processing system 15 through an electrical penetration 14, and the electrical penetration 14 penetrates through the housing 19.
The function of the slope pipeline 11 is to enable the fuel ball 16 to slowly enter the measuring pipeline through the action of gravity after coming out of the single delivery device 6, the included angle between the slope pipeline 11 and the horizontal plane is only 5-10 degrees, the included angle can ensure that the fuel ball 16 has enough power to overcome friction force and cannot be stuck in the pipeline and stopped before stopping, and the fuel ball 16 can be prevented from flowing too fast and being stopped by the ultrasonic detection device 9, and the positioner 18 is prevented from being damaged by being hit by the high-speed fuel ball 16.
The outlet of the slope pipeline 11 is provided with a positioner 18, the positioner 18 is used for stopping the fuel ball 16 and placing the fuel ball 16 at the position of the ultrasonic probe, and the positioner 18 has three positions, namely the fuel ball, the ball in position and the volleyball, wherein the initial state of the positioner 18 is the fuel ball stopping state, after the fuel ball 16 enters the ultrasonic detection device 9, the positioner 18 sends a fuel ball 16 in position signal, the ultrasonic detection device 9 is started to start ultrasonic detection on the fuel ball 16, after the detection is finished, the positioner 18 receives a detection finishing instruction sent by the control and data processing system 15 to release the fuel ball 16, and at the moment, the positioner 18 is opened to be at the volleyball position.
Referring to fig. 5, when the ultrasonic detection device 9 is in operation, the second receiving transducer 13-2, the third receiving transducer 13-3, the fourth receiving transducer 13-4, the fifth receiving transducer 13-5, the sixth receiving transducer 13-6, the seventh receiving transducer 13-7 and the eighth receiving transducer 13-8 can receive the signal transmitted by the first transmitting transducer 12-1;
the first receiving transducer 13-1, the third receiving transducer 13-3, the fourth receiving transducer 13-4, the fifth receiving transducer 13-5, the sixth receiving transducer 13-6, the seventh receiving transducer 13-7 and the eighth receiving transducer 13-8 can receive signals transmitted by the second transmitting transducer 12-2;
the first receiving transducer 13-1, the second receiving transducer 13-2, the fourth receiving transducer 13-4, the fifth receiving transducer 13-5, the sixth receiving transducer 13-6, the seventh receiving transducer 13-7 and the eighth receiving transducer 13-8 can receive signals transmitted by the third transmitting transducer 12-3;
the first receiving transducer 13-1, the second receiving transducer 13-2, the third receiving transducer 13-3, the fifth receiving transducer 13-5, the sixth receiving transducer 13-6, the seventh receiving transducer 13-7 and the eighth receiving transducer 13-8 can receive signals transmitted by the fourth transmitting transducer 12-4;
the first receiving transducer 13-1, the second receiving transducer 13-2, the third receiving transducer 13-3, the fourth receiving transducer 13-4, the sixth receiving transducer 13-6, the seventh receiving transducer 13-7 and the eighth receiving transducer 13-8 can receive signals transmitted by the fifth transmitting transducer 12-5;
the first receiving transducer 13-1, the second receiving transducer 13-2, the third receiving transducer 13-3, the fourth receiving transducer 13-4, the fifth receiving transducer 13-5, the seventh receiving transducer 13-7 and the eighth receiving transducer 13-8 can receive signals transmitted by the sixth transmitting transducer 12-6;
the first receiving transducer 13-1, the second receiving transducer 13-2, the third receiving transducer 13-3, the fourth receiving transducer 13-4, the fifth receiving transducer 13-5, the sixth receiving transducer 13-6 and the eighth receiving transducer 13-8 can receive signals transmitted by the seventh transmitting transducer 12-7;
the first receiving transducer 13-1, the second receiving transducer 13-2, the third receiving transducer 13-3, the fourth receiving transducer 13-4, the fifth receiving transducer 13-5, the sixth receiving transducer 13-6 and the seventh receiving transducer 13-7 can receive signals transmitted by the eighth transmitting transducer 12-8;
the first transmitting transducer 12-1, the second transmitting transducer 12-2, the third transmitting transducer 12-3, the fourth transmitting transducer 12-4, the fifth transmitting transducer 12-5, the sixth transmitting transducer 12-6, the seventh transmitting transducer 12-7 and the eighth transmitting transducer 12-8 alternately transmit ultrasonic waves according to preset logic.
The ultrasonic transducers are circular and arranged in an array mode, each transmitting transducer and each receiving transducer are sleeved together by four sub-transducers, the radial direction of each sub-transducer is parallel to the axis of the pipeline, the first transmitting transducer 12-1 and the fifth receiving transducer 13-5 are taken as examples, an observation ray diagram is shown in fig. 6, the observation rays can cover the whole fuel ball 16, the control and data processing system 15 rapidly finishes transmitting and receiving signals according to a preset logic sequence, recompiles and images the received signals, displays the complete image of the fuel ball 16 on a display, and the measuring pipeline adopts an ultrasonic high-permeability material 17 for reducing the influence of pipeline materials on ultrasonic waves.
After the locator 18 receives the signal of the end of detection, the control and data processing system 15 sends out a release signal to allow the fuel ball 16 to pass through, at this time, the fuel ball 16 transmits the required power from the high-pressure helium gas of the pneumatic lifting system 2, the emission control valve 10 is opened to convey the high-pressure helium gas into the pipeline, the kinetic energy of the high-pressure helium gas is converted into the kinetic energy of the fuel ball 16, and the fuel ball 16 is guided into the discharging system 1-2. During normal operation, the first sphere counter 5-1, the second sphere counter 5-2, the third sphere counter 5-3 and the fourth sphere counter 5-4 should have the same count, when the first sphere counter 5-1 and the second sphere counter 5-2 are 1 more than the third sphere counter 5-3 and the fourth sphere counter 5-4, it indicates that 1 fuel sphere 16 is being detected in the ultrasonic detection device 9, when the detection is finished, the fuel sphere 16 is discharged, the third sphere counter 5-3 and the fourth sphere counter 5-4 add 1, the control and data processing system 15 sends a signal for closing the emission control valve 10, and allows the ultrasonic detection device 9 to measure the next fuel sphere 16.
After a round of detection control and detection process, the state change conditions of each device are as follows:
initial state
The first ball path counter 5-1, the second ball path counter 5-2, the third ball path counter 5-3 and the fourth ball path counter 5-4 are all 0, the first opening and the second opening of the inlet distributor 8-1 and the outlet distributor 8-2 are communicated, the ultrasonic detection device 9 is standby, the emission control valve 10 is closed, the single conveying device 6 is reset, and the positioner 18 is in a ball cutting state;
single conveying device 6 for ball feeding
The first ball path counter 5-1 and the second ball path counter 5-2 count plus 1, the third ball path counter 5-3 and the fourth ball path counter 5-4 are 0, the first opening and the second opening of the inlet distributor 8-1 and the outlet distributor 8-2 are communicated, the ultrasonic detection device 9 is standby, the emission control valve 10 is closed, the single conveying device 6 is started to carry out ball feeding once, and the positioner 18 is in a ball cutting state;
ball in place
The first ball path counter 5-1 and the second ball path counter 5-2 count to be 1, the third ball path counter 5-3 and the fourth ball path counter 5-4 count to be 0, the first opening and the second opening of the inlet distributor 8-1 and the outlet distributor 8-2 are communicated, the ultrasonic detection device 9 is standby, the emission control valve 10 is closed, the single conveying device 6 is reset, and the positioner 18 is positioned in a ball position;
start-up detection
The first ball path counter 5-1 and the second ball path counter 5-2 count to be 1, the third ball path counter 5-3 and the fourth ball path counter 5-4 count to be 0, the first opening and the second opening of the inlet distributor 8-1 and the outlet distributor 8-2 are communicated, the ultrasonic detection device 9 is started, the emission control valve 10 is closed, the single conveying device 6 is reset, and the positioner 18 is positioned in a ball position;
volleyball for detection end
The counting of the first ball path counter 5-1 and the counting of the second ball path counter 5-2 are 1, the counting of the third ball path counter 5-3 and the counting of the fourth ball path counter 5-4 are increased by 1, the first opening and the second opening of the inlet distributor 8-1 and the outlet distributor 8-2 are communicated, the ultrasonic detection device 9 is standby, the emission control valve 10 is opened, the single conveying device 6 is reset, and the positioner 18 is opened;
volleyball ending
The first ball path counter 5-1 and the second ball path counter 5-2 count 1, the third ball path counter 5-3 and the fourth ball path counter 5-4 count 1, the first opening and the second opening of the inlet distributor 8-1 and the outlet distributor 8-2 are communicated, the ultrasonic detection device 9 is standby, the emission control valve 10 is closed, the single conveying device 6 is reset, and the positioner 18 cuts balls;
these impurities may affect the accuracy of the detection device due to the possible presence of graphite dust and debris from the fuel spheres 16 within the measurement tubing. The utility model is provided with a ball path cleaning system 4, during normal operation, a first opening and a second opening of an inlet distributor 8-1 and an outlet distributor 8-2 are communicated, a third opening is closed, when cleaning is needed, the first opening and the third opening of the inlet distributor 8-1 and the outlet distributor 8-2 are communicated, the second opening is closed, purging air flow and cleaning rubber balls output by the ball path cleaning system 4 enter a measuring pipeline, wherein the purging air flow can bring out dust and fuel ball 16 debris in the measuring pipeline, the cleaning rubber balls can also clean the inner wall of the measuring pipeline under the action of the purging air flow, the cleaning rubber balls have compressibility, and the ball path cleaning system 4 counts and processes recovered impurities and rubber balls.
The shell 19 is connected with a negative pressure ventilation system 3 to ensure continuous ventilation and cooling, and is in a micro negative pressure state relative to the environment, so that radioactive substances can be prevented from leaking, and the shell 19 also has the functions of reducing local interference and improving the measurement accuracy of the ultrasonic detector.
Claims (9)
1. A high-temperature gas cooled reactor fuel ball integrity detection device based on an ultrasonic chromatography technology is characterized by comprising a feeding system (1-1), a discharging system (1-2), a pneumatic lifting system (2), a negative pressure ventilation system (3), a ball path cleaning system (4), a first ball path counter (5-1), a second ball path counter (5-2), a third ball path counter (5-3), a fourth ball path counter (5-4), a conveying singler (6), a transmitter (7), an inlet distributor (8-1), an outlet distributor (8-2), an ultrasonic detection device (9), a transmission control valve (10), a slope pipeline (11) and a control and data processing system (15);
an outlet of the feeding system (1-1) is communicated with an inlet of the emitter (7) through a first ball path counter (5-1), a second ball path counter (5-2) and the single conveying device (6), an outlet of the emitter (7) is communicated with a second opening of the inlet distributor (8-1) through a slope pipeline (11), a first opening of the inlet distributor (8-1) is communicated with a first opening of the outlet distributor (8-2) through a measuring pipeline, a second opening of the outlet distributor (8-2) is communicated with the discharging system (1-2) through a third ball path counter (5-3) and a fourth ball path counter (5-4), and the lifting system (2) is communicated with the emitter (7) through a pneumatic emission control valve (10); the ultrasonic detection device (9) is sleeved on the measuring pipeline, and a locator (18) is arranged at the outlet of the slope pipeline (11);
the control and data processing system (15) is connected with the ultrasonic detection device (9), the positioner (18), the emission control valve (10), the first ball path counter (5-1), the second ball path counter (5-2), the third ball path counter (5-3) and the fourth ball path counter (5-4).
2. The high-temperature gas cooled reactor fuel sphere integrity detection device based on the ultrasonic tomography technology as claimed in claim 1, wherein the ultrasonic detection device (9) comprises a housing (19) and a first transmitting transducer (12-1), a second transmitting transducer (12-2), a third transmitting transducer (12-3), a fourth transmitting transducer (12-4), a fifth transmitting transducer (12-5), a sixth transmitting transducer (12-6), a seventh transmitting transducer (12-7), an eighth transmitting transducer (12-8), a first receiving transducer (13-1), a second receiving transducer (13-2), a third receiving transducer (13-3), a fourth receiving transducer (13-4), a fifth receiving transducer (13-5), A sixth receiving transducer (13-6), a seventh receiving transducer (13-7) and an eighth receiving transducer (13-8);
a shell (19) is sleeved on the measuring pipeline, a first transmitting transducer (12-1), a second transmitting transducer (12-2), a third transmitting transducer (12-3), a fourth transmitting transducer (12-4), a fifth transmitting transducer (12-5), a sixth transmitting transducer (12-6), a seventh transmitting transducer (12-7), an eighth transmitting transducer (12-8), a first receiving transducer (13-1), a second receiving transducer (13-2), a third receiving transducer (13-3), a fourth receiving transducer (13-4), a fifth receiving transducer (13-5), a sixth receiving transducer (13-6), a seventh receiving transducer (13-7) and an eighth receiving transducer (13-8) are connected with a control and data processing system (15) through an electrical penetration piece (14), an electrical feedthrough (14) passes through the housing (19).
3. The high-temperature gas cooled reactor fuel sphere integrity detection device based on the ultrasonic tomography technology is characterized in that the first transmitting transducer (12-1), the second transmitting transducer (12-2), the third transmitting transducer (12-3), the fourth transmitting transducer (12-4), the fifth transmitting transducer (12-5), the sixth transmitting transducer (12-6), the seventh transmitting transducer (12-7) and the eighth transmitting transducer (12-8) are uniformly distributed along the circumferential direction.
4. The high temperature gas cooled reactor fuel sphere integrity detection device based on the ultrasonic tomography technology as claimed in claim 2, wherein the first receiving transducer (13-1), the second receiving transducer (13-2), the third receiving transducer (13-3), the fourth receiving transducer (13-4), the fifth receiving transducer (13-5), the sixth receiving transducer (13-6), the seventh receiving transducer (13-7) and the eighth receiving transducer (13-8) are uniformly distributed along the circumferential direction.
5. The device for detecting the integrity of the fuel ball of the high temperature gas cooled reactor based on the ultrasonic tomography technology as claimed in claim 1, wherein the included angle between the ramp pipeline (11) and the horizontal plane is only 5-10 degrees.
6. The high temperature gas cooled reactor fuel sphere integrity detection device based on the ultrasonic tomography technology as claimed in claim 2, wherein the second receiving transducer (13-2), the third receiving transducer (13-3), the fourth receiving transducer (13-4), the fifth receiving transducer (13-5), the sixth receiving transducer (13-6), the seventh receiving transducer (13-7) and the eighth receiving transducer (13-8) can receive the signal transmitted by the first transmitting transducer (12-1);
the first receiving transducer (13-1), the third receiving transducer (13-3), the fourth receiving transducer (13-4), the fifth receiving transducer (13-5), the sixth receiving transducer (13-6), the seventh receiving transducer (13-7) and the eighth receiving transducer (13-8) can receive signals transmitted by the second transmitting transducer (12-2);
the first receiving transducer (13-1), the second receiving transducer (13-2), the fourth receiving transducer (13-4), the fifth receiving transducer (13-5), the sixth receiving transducer (13-6), the seventh receiving transducer (13-7) and the eighth receiving transducer (13-8) can receive signals transmitted by the third transmitting transducer (12-3);
the first receiving transducer (13-1), the second receiving transducer (13-2), the third receiving transducer (13-3), the fifth receiving transducer (13-5), the sixth receiving transducer (13-6), the seventh receiving transducer (13-7) and the eighth receiving transducer (13-8) can receive signals transmitted by the fourth transmitting transducer (12-4);
the first receiving transducer (13-1), the second receiving transducer (13-2), the third receiving transducer (13-3), the fourth receiving transducer (13-4), the sixth receiving transducer (13-6), the seventh receiving transducer (13-7) and the eighth receiving transducer (13-8) can receive signals transmitted by the fifth transmitting transducer (12-5);
the first receiving transducer (13-1), the second receiving transducer (13-2), the third receiving transducer (13-3), the fourth receiving transducer (13-4), the fifth receiving transducer (13-5), the seventh receiving transducer (13-7) and the eighth receiving transducer (13-8) can receive signals transmitted by the sixth transmitting transducer (12-6);
the first receiving transducer (13-1), the second receiving transducer (13-2), the third receiving transducer (13-3), the fourth receiving transducer (13-4), the fifth receiving transducer (13-5), the sixth receiving transducer (13-6) and the eighth receiving transducer (13-8) can receive signals transmitted by the seventh transmitting transducer (12-7);
the first receiving transducer (13-1), the second receiving transducer (13-2), the third receiving transducer (13-3), the fourth receiving transducer (13-4), the fifth receiving transducer (13-5), the sixth receiving transducer (13-6) and the seventh receiving transducer (13-7) can receive signals transmitted by the eighth transmitting transducer (12-8).
7. The high temperature gas cooled reactor fuel sphere integrity testing device based on ultrasonic tomography technology as claimed in claim 1, characterized in that the measuring pipeline is made of ultrasonic high-permeability material (17).
8. The device for detecting the integrity of the fuel sphere of the high temperature gas cooled reactor based on the ultrasonic tomography technology as claimed in claim 1, wherein the third opening of the outlet distributor (8-2) and the third opening of the inlet distributor (8-1) are both communicated with the sphere path cleaning system (4).
9. The device for detecting the integrity of the fuel ball of the high-temperature gas-cooled reactor based on the ultrasonic tomography technology is characterized in that a negative pressure ventilation system (3) is connected to the shell (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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