阅读说明：本技术 一种堆内辐照试验装置 (Irradiation test device in reactor ) 是由 刘磊 毕可明 刘天才 徐海军 柴宝华 杜开文 袁建东 于 2020-12-24 设计创作，主要内容包括：本发明属于辐照试验技术领域,具体涉及一种堆内辐照试验装置,包括内部设有温度补偿装置的辐照试样罐(1),还包括与辐照试样罐(1)相连的气体装置、在线测量系统和温度测量系统。本发明能够控制辐照试样罐(1)内的温度(550℃以内)、能够调整辐照试样罐(1)内的压力、气氛,能够在线测量辐照试样罐(1)内的辐照样品的电性能等；本发明具有通用性,可用于各种辐照样品的辐照试验,且结构简单、易加工、可重复使用。(The invention belongs to the technical field of irradiation tests, and particularly relates to an in-pile irradiation test device which comprises an irradiation sample tank (1) internally provided with a temperature compensation device, and further comprises a gas device, an online measurement system and a temperature measurement system which are connected with the irradiation sample tank (1). The invention can control the temperature (within 550 ℃) in the irradiation sample tank (1), adjust the pressure and atmosphere in the irradiation sample tank (1), and measure the electrical property of the irradiation sample in the irradiation sample tank (1) on line; the invention has universality, can be used for the irradiation test of various irradiation samples, and has simple structure, easy processing and repeated use.)

1. An irradiation test device in pile is characterized in that: the device comprises an irradiation sample tank (1) with a temperature compensation device arranged inside, and further comprises a gas device, an online measurement system and a temperature measurement system which are connected with the irradiation sample tank (1).

2. The in-stack irradiation test apparatus of claim 1, wherein: irradiation sample jar (1) is used for placing the irradiation sample, the bottom of irradiation sample jar (1) is seal structure, and the top is sealed through first flange (11) top one side of irradiation sample jar (1) still is equipped with measurement interface (9), it is sealed through second flange (12) to measure interface (9), first flange (11) with second flange (12) all install high temperature seal circle additional and realize sealing.

3. The in-stack irradiation test apparatus of claim 2, wherein: the temperature measuring system comprises a thermocouple arranged on the first flange (11) and a temperature controller arranged in a temperature control cabinet (6), the thermocouple is connected with the temperature controller, the thermocouple is used for measuring the actual temperature in the irradiation sample tank (1), and the temperature controller is used for displaying the actual temperature in the irradiation sample tank (1); the thermocouple is arranged on the first flange (11) through a first high-temperature radiation-resistant electric connector (13).

4. The in-stack irradiation test apparatus of claim 3, wherein:

the temperature compensation device comprises an electric heating rod (10) and a power controller arranged in a temperature control cabinet (6), wherein the electric heating rod (10) is positioned at the bottom end inside the irradiation sample tank (1) and is used for heating the inside of the irradiation sample tank (1); the power controller is used for controlling the electric heating rod (10) to heat the inside of the irradiation sample tank (1);

the electric heating rod (10) can perform segmented multi-zone heating according to the length of the irradiation sample;

the connecting line between the electric heating rod (10) and the power controller is connected to the interior of the irradiation sample tank (1) from the measuring interface (9) through a second high-temperature irradiation-resistant electric connector (14) arranged on the second flange (12);

the power controller can set the required set temperature in the irradiation sample tank (1) according to the requirement, and adjust the power of the electric heating rod (10) according to the value of the actual temperature obtained by the thermocouple and the value of the set temperature required to be reached.

5. The in-stack irradiation test apparatus of claim 4, wherein: the temperature controller and the power controller in the temperature control cabinet (6) jointly form a control system; the temperature control cabinet (6) is also connected with a computer (8), and the computer (8) is used for displaying, recording and controlling the actual temperature and the set temperature in the test process, and remotely monitoring the temperature of the irradiation sample in real time.

6. The in-stack irradiation test apparatus of claim 2, wherein:

the gas device comprises a vacuumizing unit (2), a ventilator unit (3), a gas cylinder (4) and a helium cylinder (5);

the vacuumizing unit (2) is connected with the irradiation sample tank (1) through a first pipeline (15) and is used for vacuumizing the inside of the irradiation sample tank (1); the first pipeline (15) is connected to the inside of the irradiation sample tank (1) through the first flange (11); a third pipeline (17) is further arranged on the first pipeline (15), the third pipeline (17) is positioned outside the irradiation sample tank (1), one end of the third pipeline (17) is connected with the first pipeline (15), and the other end of the third pipeline is communicated with the external environment;

the gas cylinder (4) is connected with a fifth pipeline (19), the helium cylinder (5) is connected with a fourth pipeline (18), and the gas cylinder (4) and the helium cylinder (5) are connected in parallel to the ventilator set (3) through the fifth pipeline (19) and the fourth pipeline (18);

the ventilator set (3) is connected with the irradiation sample tank (1) through a second pipeline (16) and is used for inputting gas into the irradiation sample tank (1); the second pipeline (16) is connected to the interior of the irradiation sample tank (1) through the first flange (11) and extends to the bottom end of the irradiation sample tank (1);

a sixth pipeline (20) is further arranged on the ventilator unit (3), one end of the sixth pipeline (20) is connected with the third pipeline (17), and the other end of the sixth pipeline is connected with the ventilator unit (3) and used for sucking gas;

the air interchanger set (3) is further provided with a seventh pipeline (21), one end of the seventh pipeline (21) is connected with the air interchanger set (3), and the other end of the seventh pipeline is communicated with the external environment.

7. The in-stack irradiation test apparatus of claim 6, wherein:

a fifth valve (26) is arranged on the first pipeline (15);

a seventh valve (28), a second valve (23), a first valve (22) and a first pressure gauge (34) are sequentially arranged on the second pipeline (16) in series from the ventilator unit (3) to the first flange (11);

a third valve (24) and a fourth valve (25) are arranged on the third pipeline (17) in series, and one end of the sixth pipeline (20) connected with the third pipeline (17) is positioned on the third pipeline (17) between the third valve (24) and the fourth valve (25);

a first speed-adjustable guide valve (32), a second pressure gauge (35) and a ninth valve (30) are sequentially connected in series from the helium tank (5) to the ventilator unit (3) on the fourth pipeline (18);

a second adjustable speed guide valve (33), a third pressure gauge (36) and a tenth valve (31) are sequentially connected in series from the gas cylinder (4) to the ventilator unit (3) on the fifth pipeline (19);

a sixth valve (27) is arranged on the sixth pipeline (20);

an eighth valve (29) is arranged on the seventh pipeline (21);

be equipped with fourth manometer (37) and fifth manometer (38) on ventilator group (3), fourth manometer (37) are used for measuring gas pressure that gas cylinder (4) and helium bottle (5) input after connecting in parallel, fifth manometer (38) are used for measuring sixth pipeline (20) with the gas pressure of ventilator group (3) connection end.

8. The in-stack irradiation test apparatus of claim 6, wherein: the first line (15), the second line (16), the third line (17), the fourth line (18), the fifth line (19), the sixth line (20) and the seventh line (21) are aluminum process tubes.

9. The in-stack irradiation test apparatus of claim 3, wherein: the online measuring system is arranged in the measuring cabinet (7), a measuring lead wire is arranged in the online measuring system, and one end of the measuring lead wire is connected to the first high-temperature radiation-resistant electric connector (13); the measurement cabinet (7) is provided with a measurement line connector connected with the online measurement system, the measurement line connector can be connected with a meter pen of the measurement instrument or an alligator clip of the connection instrument, and the electrical property of the irradiation sample is measured according to the wiring of actual measurement requirements.

Technical Field

The invention belongs to the technical field of irradiation tests, and particularly relates to an in-pile irradiation test device.

Background

The irradiation test is a test for researching the structural and performance change and the change rule of the material under the action of particles, at present, the irradiation test in a reactor is carried out at home and abroad, but the irradiation device is required to be designed according to an irradiation sample in each test, and a universal irradiation device is not provided, so that the test efficiency of the irradiation test is greatly limited, and the test cost and complexity are increased.

Disclosure of Invention

Aiming at the condition of the existing irradiation device, the invention aims to provide the irradiation device which can realize the functions of temperature control (within 550 ℃), pressure control, atmosphere control, on-line measurement of electrical property and the like by combining the requirements of various irradiation tests.

In order to achieve the above purposes, the technical scheme adopted by the invention is an in-pile irradiation test device, which comprises an irradiation sample tank, a gas device, an online measurement system and a temperature measurement system, wherein the irradiation sample tank is internally provided with a temperature compensation device, and the gas device, the online measurement system and the temperature measurement system are connected with the irradiation sample tank.

Further, the irradiation sample tank is used for placing irradiation samples, the bottom of the irradiation sample tank is of a sealing structure, the top of the irradiation sample tank is sealed through a first flange, a measuring interface is further arranged on one side of the top of the irradiation sample tank and is sealed through a second flange, and the first flange and the second flange are both additionally provided with a high-temperature sealing ring to realize sealing.

Further, the temperature measuring system comprises a thermocouple arranged on the first flange and a temperature controller arranged in a temperature control cabinet, the thermocouple is connected with the temperature controller, the thermocouple is used for measuring the actual temperature in the irradiation sample tank, and the temperature controller is used for displaying the actual temperature in the irradiation sample tank; the thermocouple is arranged on the first flange through a first high-temperature radiation-resistant electric connector.

Further, in the present invention,

the temperature compensation device is an electric heating rod and a power controller arranged in a temperature control cabinet, and the electric heating rod is positioned at the bottom end of the interior of the irradiation sample tank and is used for heating the interior of the irradiation sample tank; the power controller is used for controlling the electric heating rod to heat the inside of the irradiation sample tank;

the electric heating rod can perform segmented multi-zone heating according to the length of the irradiation sample;

a connecting wire between the electric heating rod and the power controller is connected to the inside of the irradiation sample tank from the measuring interface through a second high-temperature irradiation-resistant electric connector arranged on the second flange;

the power controller can set the required set temperature in the irradiation sample tank according to the requirement, and adjust the power of the electric heating rod according to the actual temperature value obtained by the thermocouple and the set temperature value required to be reached.

Further, the temperature controller and the power controller in the temperature control cabinet jointly form a control system; the temperature control cabinet is also connected with a computer, and the computer is used for displaying, recording and controlling the actual temperature and the set temperature in the test process and remotely monitoring the temperature of the irradiation sample in real time.

Further, in the present invention,

the gas device comprises a vacuumizing unit, a ventilator unit, a gas cylinder and a helium cylinder;

the vacuumizing unit is connected with the irradiation sample tank through a first pipeline and is used for vacuumizing the inside of the irradiation sample tank; the first pipeline is connected to the interior of the irradiation sample tank through the first flange; a third pipeline is further arranged on the first pipeline and located outside the irradiation sample tank, one end of the third pipeline is connected with the first pipeline, and the other end of the third pipeline is communicated with the external environment;

the gas cylinder is connected with a fifth pipeline, the helium bottle is connected with a fourth pipeline, and the gas cylinder and the helium bottle are connected to the ventilator in parallel through the fifth pipeline and the fourth pipeline;

the ventilator unit is connected with the irradiation sample tank through a second pipeline and is used for inputting gas into the irradiation sample tank; the second pipeline is connected to the inside of the irradiation sample tank through the first flange and extends to the bottom end of the irradiation sample tank;

a sixth pipeline is further arranged on the ventilator unit, one end of the sixth pipeline is connected with the third pipeline, and the other end of the sixth pipeline is connected with the ventilator unit and used for sucking gas;

and a seventh pipeline is further arranged on the ventilator set, one end of the seventh pipeline is connected with the ventilator set, and the other end of the seventh pipeline is communicated with the external environment.

Further, in the present invention,

a fifth valve is arranged on the first pipeline;

a seventh valve, a second valve, a first valve and a first pressure gauge are sequentially arranged on the second pipeline in series from the ventilator unit to the first flange;

a third valve and a fourth valve are arranged on the third pipeline in series, and one end of the sixth pipeline, which is connected with the third pipeline, is positioned on the third pipeline between the third valve and the fourth valve;

a first speed-adjustable guide valve, a second pressure gauge and a ninth valve are sequentially connected in series from the helium tank to the ventilator on the fourth pipeline;

a second adjustable speed guide valve, a third pressure gauge and a tenth valve are sequentially connected in series from the gas cylinder to the ventilator unit on the fifth pipeline;

a sixth valve is arranged on the sixth pipeline;

an eighth valve is arranged on the seventh pipeline;

and a fourth pressure gauge and a fifth pressure gauge are arranged on the ventilator unit, the fourth pressure gauge is used for measuring the gas pressure input after the gas cylinder and the helium tank are connected in parallel, and the fifth pressure gauge is used for measuring the gas pressure at one end, connected with the ventilator unit, of the sixth pipeline.

Further, the first, second, third, fourth, fifth, sixth, and seventh pipelines are aluminum process pipes.

Furthermore, the online measurement system is arranged in the measurement cabinet, the online measurement system is provided with a measurement lead wire, and one end of the measurement lead wire is connected to the first high-temperature radiation-resistant electric connector; the measurement cabinet is provided with a measurement line connector connected with the online measurement system, the measurement line connector can be connected with a meter pen of a measurement instrument or an alligator clip of the connection instrument, and the electrical property of the irradiation sample is measured according to the wiring of actual measurement requirements.

The invention has the beneficial effects that:

1. the device can control the temperature (within 550 ℃) in the irradiation sample tank 1, can adjust the pressure and atmosphere in the irradiation sample tank 1, and can measure the electrical property and the like of an irradiation sample in the irradiation sample tank 1 on line.

2. The device has universality, and can be used for irradiation tests of various irradiation samples, including high-temperature insulating material irradiation tests and stainless steel material irradiation aging tests.

3. The device has the characteristics of simple structure, easy processing, repeated use and the like.

Drawings

FIG. 1 is a schematic diagram of the components of an in-stack irradiation test apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic illustration of an in-stack irradiation test apparatus according to an embodiment of the present invention;

in the figure: 1-irradiation sample tank, 2-vacuum pumping unit, 3-ventilator unit, 4-gas cylinder, 5-helium cylinder, 6-temperature control cabinet, 7-measurement cabinet, 8-computer, 9-measurement interface, 10-electric heating rod, 11-first flange, 12-second flange, 13-first high temperature and irradiation resistant electric connector, 14-second high temperature and irradiation resistant electric connector, 15-first pipeline, 16-second pipeline, 17-third pipeline, 18-fourth pipeline, 19-fifth pipeline, 20-sixth pipeline, 21-seventh pipeline, 22-first valve, 23-second valve, 24-third valve, 25-fourth valve, 26-fifth valve, 27-sixth valve, 28-seventh valve, 29-eighth valve, 30-ninth valve, 31-tenth valve, 32-first adjustable speed guide valve, 33-second adjustable speed guide valve, 34-first pressure gauge, 35-second pressure gauge, 36-third pressure gauge, 37-fourth pressure gauge, 38-fifth pressure gauge.

Detailed Description

The invention is further described below with reference to the figures and examples.

The invention provides an in-pile irradiation test device as shown in figures 1 and 2, which comprises an irradiation sample tank 1, a temperature compensation device, a gas device, an online measurement system, a temperature measurement system, an aluminum process pipe and a control system.

The temperature compensation device is arranged inside the irradiation sample tank 1, and the temperature compensation device, the gas device, the online measurement system and the temperature measurement system are connected with the irradiation sample tank 1.

Irradiation sample tank 1 is used for placing the irradiation sample, and the bottom of irradiation sample tank 1 is seal structure, and the top still is equipped with measurement interface 9 through first flange 11 is sealed, and measurement interface 9 is sealed through second flange 12 in top one side of irradiation sample tank 1, and first flange 11 and second flange 12 all install the high temperature seal circle additional and realize sealing, and the material of irradiation sample tank 1 is selected according to experimental irradiation sample. (the main body of the irradiation sample tank 1 is located inside the reactor, the top and the measurement interface 9 are located outside the reactor.)

The temperature measuring system comprises a thermocouple arranged on the first flange 11 and a temperature controller arranged in the temperature control cabinet 6, the thermocouple is connected with the temperature controller, the thermocouple is used for measuring the actual temperature in the irradiation sample tank 1, and the temperature controller is used for displaying the actual temperature in the irradiation sample tank 1; the thermocouple is arranged on the first flange 11 through the first high temperature and radiation resistant electric connector 13 (the first high temperature and radiation resistant electric connector 13 is in sealing connection with the first flange 11).

The temperature compensation device comprises an electric heating rod 10 and a power controller arranged in the temperature control cabinet 6, wherein the electric heating rod 10 is positioned at the bottom end inside the irradiation sample tank 1 and is used for heating the inside of the irradiation sample tank 1; the power controller is used for controlling the electric heating rod 10 to heat the inside of the irradiation sample tank 1;

the electric heating rod 10 can perform segmented multi-zone heating according to the length of an irradiated sample;

the connecting line between the electric heating rod 10 and the power controller is connected to the inside of the irradiation sample tank 1 from the measuring interface 9 through a second high-temperature irradiation-resistant electric connector 14 arranged on a second flange 12 (the second high-temperature irradiation-resistant electric connector 14 is in sealed connection with the second flange 12);

the power controller can set the required set temperature in the irradiation sample tank 1 according to the requirement, and adjust the power of the electric heating rod 10 according to the value of the actual temperature obtained by the thermocouple and the value of the set temperature required to be reached.

The temperature controller and the power controller in the temperature control cabinet 6 jointly form a control system; the temperature control cabinet 6 is also connected with a computer 8, and the computer 8 is used for displaying, recording and controlling the actual temperature and the set temperature in the test process and remotely monitoring the temperature of the irradiated sample in real time.

The gas device comprises a vacuumizing unit 2, a ventilator unit 3, a gas cylinder 4, a helium cylinder 5 and an aluminum process pipe;

the aluminum process pipe comprises a first pipeline 15, a second pipeline 16, a third pipeline 17, a fourth pipeline 18, a fifth pipeline 19, a sixth pipeline 20 and a seventh pipeline 21, and the model of the process pipe is 6061;

the vacuumizing unit 2 is connected with the irradiation sample tank 1 through a first pipeline 15 and is used for vacuumizing the inside of the irradiation sample tank 1; the first pipeline 15 is connected to the inside of the irradiation sample tank 1 through the first flange 11;

a third pipeline 17 is arranged on the first pipeline 15, the third pipeline 17 is positioned outside the irradiation sample tank 1, one end of the third pipeline 17 is connected with the first pipeline 15, and the other end of the third pipeline 17 is communicated with the external environment;

the gas bottle 4 is connected with a fifth pipeline 19, the helium bottle 5 is connected with a fourth pipeline 18, and the gas bottle 4 and the helium bottle 5 are connected in parallel to the ventilator unit 3 through the fifth pipeline 19 and the fourth pipeline 18;

the ventilator set 3 is connected with the irradiation sample tank 1 through a second pipeline 16 and is used for inputting gas into the irradiation sample tank 1; the second pipeline 16 is connected to the inside of the irradiation sample tank 1 through the first flange 11 and extends to the bottom end of the irradiation sample tank 1;

a sixth pipeline 20 is arranged on the ventilator unit 3, one end of the sixth pipeline 20 is connected with the third pipeline 17, and the other end is connected with the ventilator unit 3 for sucking gas;

the seventh pipeline 21 is disposed on the ventilator unit 3, and one end of the seventh pipeline 21 is connected to the ventilator unit 3, and the other end is communicated with the external environment.

A fifth valve 26 is arranged on the first pipeline 15;

a seventh valve 28, a second valve 23, a first valve 22 and a first pressure gauge 34 are sequentially arranged on the second pipeline 16 in series from the ventilator unit 3 to the first flange 11;

a third valve 24 and a fourth valve 25 are arranged in series on the third pipeline 17, and one end of the sixth pipeline 20 connected with the third pipeline 17 is positioned on the third pipeline 17 between the third valve 24 and the fourth valve 25;

a first speed-adjustable guide valve 32, a second pressure gauge 35 and a ninth valve 30 are sequentially connected in series from the helium tank 5 to the ventilator 3 on the fourth pipeline 18;

a second adjustable speed guide valve 33, a third pressure gauge 36 and a tenth valve 31 are sequentially connected in series from the gas cylinder 4 to the ventilator unit 3 on the fifth pipeline 19;

a sixth valve 27 is arranged on the sixth pipeline 20;

an eighth valve 29 is arranged on the seventh pipeline 21;

and a fourth pressure gauge 37 and a fifth pressure gauge 38 are arranged on the ventilator unit 3, the fourth pressure gauge 37 is used for measuring the gas pressure input after the gas cylinder 4 and the helium cylinder 5 are connected in parallel, and the fifth pressure gauge 38 is used for measuring the gas pressure at the end, connected with the ventilator unit 3, of the sixth pipeline 20.

The on-line measuring system is arranged in the measuring cabinet 7 and is provided with a measuring lead wire, and one end of the measuring lead wire is connected to the first high-temperature radiation-resistant electric connector 13; the measurement cabinet 7 is provided with a measurement line connector connected with an online measurement system, the measurement line connector can be connected with a meter pen of a measurement instrument or an alligator clip of the connection instrument, and the electrical property of an irradiation sample is measured by wiring according to actual measurement requirements.

The in-pile irradiation test device provided by the invention has the following functions:

(1) temperature controllable (within 550 degree centigrade)

Heating the irradiation sample tank 1 by using equipment such as an electric heating rod 10, a thermocouple, a temperature control cabinet 6 and the like; the temperature in the irradiation sample tank 1 is reduced through equipment such as helium airflow rate, a thermocouple, a temperature control cabinet 6 and the like.

(2) Pressure adjustable

The air pressure in the irradiation sample tank 1 is adjusted by a vacuumizing unit 2 and a ventilator unit 3 (booster pump).

(3) Adjustable atmosphere

Atmosphere adjustment is performed by changing the atmosphere of the ventilator 3 and the atmosphere of the external gas cylinders (gas cylinder 4 and helium gas cylinder 5).

(4) Can measure the electrical property on line

If the electrical property of the sample needs to be measured, the electrical property can be measured in real time during the irradiation test.

(5) Temperature rising vacuumizing gas washing

If the atmosphere requirement to the irradiation test of irradiation sample jar 1 inside is higher, this device accessible evacuation unit 2 and external gas cylinder (gas cylinder 4 and helium bottle 5) cooperation carry out the evacuation and wash gas, if the design of the inside sample jar of irradiation sample jar 1 is more accurate, accessible temperature control cabinet 6 carries out the while and heaies up evacuation while washing gas.

The irradiation test device in the pile comprises two flanges, two penetrating pieces and four sealing ports, and the sealing ports are all arranged outside the pile, so that helium detection needs to be carried out on the whole device.

The device according to the present invention is not limited to the embodiments described in the specific embodiments, and those skilled in the art can derive other embodiments according to the technical solutions of the present invention, and also belong to the technical innovation scope of the present invention.