Device and method for preparing iodine source for iodine adsorber performance test

Abstract

The invention relates to a device and a method for preparing an iodine source for an iodine adsorber performance test. The device comprises a negative pressure operation box, a tray, a pipettor, a cover conveying and rolling device, purification equipment, an operation frame and a controller, the tray, the pipettor and the cap conveying and rolling device are all arranged in the negative pressure operation box, and a plurality of containing grooves are formed in the tray; the accommodating groove is used for accommodating and fixing reagent bottles; the pipettor is used for quantitatively transferring liquid in different reagent bottles; the cap conveying and rolling device is used for providing bottle caps for the reagent bottles and tightly rolling the bottle caps on the reagent bottles so as to realize sealing; the operation frame is used for driving the pipettor and the cap conveying and rolling device to move; the purification equipment is used for maintaining the negative pressure state in the negative pressure operation box, purifying the extracted gas and discharging the purified gas; and the controller is used for controlling the tray, the pipettor, the cap conveying and rolling device, the purification equipment and the operation frame to act. According to the invention, the risk of radioactive irradiation on operators is reduced; and the quantitative preparation progress is improved, so that the reliability of performance evaluation of the iodine adsorber is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of nuclear industry, and in particular to a device and method for configuring an iodine source for an iodine adsorber performance test. Background Art

[0002] In the ventilation system of nuclear facilities, iodine adsorbers are usually installed to remove airborne radioactive iodine. Generally, the radioactive methyl iodide method, on-site mechanical leakage rate test and laboratory activated carbon sample iodine removal performance method are used to determine whether the performance of the iodine adsorber meets the acceptance index requirements. When using the radioactive methyl iodine method to conduct iodine adsorber performance tests, it is necessary to prepare a radioactive iodine source that meets the test requirements and react with other reagents to produce radioactive methyl iodine tracer gas; currently, the manual preparation of radioactive iodine sources for iodine adsorber performance tests in nuclear facility ventilation systems in glove boxes requires high operator experience and proficiency and carries the risk of error. The use of medical syringes with low precision requirements and the inconvenience of operators wearing lead gloves result in inaccurate amounts of liquid being transferred; in addition, operators will receive a certain amount of radioactive exposure during the preparation process and there is a risk of contamination. The above problems need to be solved urgently. Summary of the invention

[0003] The invention discloses a device and a method for configuring an iodine source for an iodine adsorber performance test, aiming to solve the technical problems existing in the prior art.

[0004] The present invention adopts the following technical solutions:

[0005] In the first aspect, the present invention provides a device for configuring an iodine source for an iodine adsorber performance test, which includes a negative pressure operating box, a tray, a pipette, a capping machine, a purification device, an operating frame and a controller; the tray, the pipette and the capping machine are all arranged in the negative pressure operating box, and the tray has a plurality of receiving slots; the receiving slots are used to receive and fix reagent bottles; the pipette is used to quantitatively transfer liquids in different reagent bottles; the capping machine is used to provide bottle caps to reagent bottles and press the bottle caps on the reagent bottles to achieve sealing; the operating frame is used to drive the pipette and the capping machine to move; the purification device is connected to the negative pressure operating box, used to maintain a negative pressure state in the negative pressure operating box, and to purify the extracted gas and discharge it externally; the controller is used to control the actions of the tray, the pipette, the capping machine, the purification device and the operating frame.

[0006] In the device of the present invention for configuring an iodine source for an iodine adsorber performance test, the purification equipment includes an air inlet pipe, an air inlet filter, an air outlet pipe, an iodine adsorber, an air outlet filter, an induced draft fan and a protective cover; the air inlet of the air inlet filter is connected to the external environment via the air inlet pipe, and the air outlet is connected to the air inlet of the negative pressure operation box via the air inlet pipe; the gas output from the air outlet of the negative pressure operation box is discharged sequentially through the air outlet pipe, the iodine adsorber, the air outlet filter and the induced draft fan; the protective cover is used to prevent external foreign matter from entering the induced draft fan.

[0007] In the device for configuring an iodine source for an iodine adsorber performance test of the present invention, the purification equipment also includes an air inlet control valve, an air outlet control valve and a pressure measuring element; the air inlet control valve is arranged on the air inlet pipe, and is used to control the gas flow entering the negative pressure operation box; the air outlet control valve is arranged on the air outlet pipe, and is used to control the gas flow entering the induced draft fan; the pressure measuring element is used to measure the pressure inside the negative pressure operation box.

[0008] In the device for configuring an iodine source for an iodine adsorber performance test of the present invention, the tray includes a receiving groove and an electric rotating table; the lower end of the electric rotating table is installed on the bottom surface of the negative pressure operation box, and the top end surface is provided with the receiving groove and has a self-locking function.

[0009] In the device for configuring an iodine source for an iodine adsorber performance test of the present invention, the operating frame includes a vertical moving device and a horizontal moving device; the vertical moving device is fixed in the negative pressure operating box, and the vertical moving device includes a first electric push rod, a first push rod and a guide groove, the push rod of the first electric push rod is coaxially connected to the lower end of the first push rod, and the top end of the first push rod is connected to the horizontal moving device; the guide groove is sleeved on the push rod of the first electric push rod and the outer side of the first push rod; the horizontal moving device includes a second electric push rod, an outer tube, a second push rod, an inner tube and a second rotating shaft; the second electric push rod A push rod is installed on the upper end of the first push rod, one end of the outer tube is in the guide groove, and the push rod of the second electric push rod, the second push rod and the inner section of the inner tube in the outer tube are arranged in the outer tube, and the push rod end of the second electric push rod is coaxially fixed to one end of the second push rod; the other end of the second push rod is connected to the inner tube, and the inner tube is moved left and right in the horizontal direction through the push rod action of the second electric push rod, the inner tube is connected to the capping device at the outer section of the outer tube, and is connected to the pipette through the second rotating shaft, so as to move away from or close to the tray.

[0010] In the device for configuring an iodine source for an iodine adsorber performance test of the present invention, the pipette includes a stepper motor, a syringe pump and a needle; the stepper motor is used to drive the piston of the syringe pump to move; the syringe pump is connected to the needle, and liquid is extracted or injected through the needle.

[0011] The device for configuring an iodine source for an iodine adsorber performance test of the present invention also includes a barrel clamp and a needle clamp; the barrel clamp is used to clamp the injection pump; the needle clamp is used to clamp the needle and drive the needle to move so as to achieve combination or separation with the injection pump.

[0012] In the device for configuring an iodine source for an iodine adsorber performance test of the present invention, the cap feeding and capping device comprises a cap feeding tube, a cap body, a spring cover, a cap discharging controller and a capping head; the cap body is inside the cap feeding tube, and the cap discharging controller is arranged at the bottom end of the cap feeding tube to realize the opening and closing of the bottom end of the cap feeding tube; the spring cover is arranged at the top end of the cap feeding tube, and when the bottom end of the cap feeding tube is opened, it assists the cap body to cover the reagent bottle under the action of its own weight; the capping head is installed at the lower end of the cap discharging controller, and after the cap body is covered on the reagent bottle, the motor drives the knife head in the capping head to retract, thereby realizing the capping sealing.

[0013] In the device for configuring an iodine source for an iodine adsorber performance test of the present invention, the controller is connected to the tray, the pipette, the capping machine, the purification equipment and the operating frame through a control signal line, and is used to control the rotation positioning of the tray, the pipetting volume control and needle replacement of the pipette, the capping of the capping machine, the start and stop of the purification equipment, and the vertical up and down movement and the horizontal left and right movement of the operating frame.

[0014] In a second aspect, the present invention further provides a configuration method using any of the above-mentioned devices, comprising the following steps:

[0015] The purification equipment is started to maintain the negative pressure state in the negative pressure operation box;

[0016] According to the original parameters and requirements of the source for the performance test of the iodine adsorber to be configured, the controller controls the amount of liquid to be transferred by the pipette;

[0017] The operating frame drives the pipette to move into the corresponding reagent bottle on the tray;

[0018] The stepper motor drives the syringe pump to operate, and the liquid in the reagent bottle is extracted through the needle. Then the operating frame drives the pipette to move to the position of the reagent bottle to be configured, and the stepper motor drives the syringe pump to operate, and the liquid is injected into the reagent bottle to be configured through the needle.

[0019] The operating frame drives the pipette to a position above the waste receiving tray;

[0020] The barrel clamp clamps and fixes the injection pump to fix it;

[0021] The needle holder clamps the needle to fix it, moves downward, and after pulling out the needle, releases the needle to the waste receiving tray;

[0022] The operating frame drives the capping device to move above the reagent bottle, and the capping controller is turned on; the cap body of the headspace aluminum cap rubber plug in the capping tube is covered on the bottle mouth of the reagent bottle under the action of its own weight and the spring cover; then the capping head presses the headspace aluminum cap rubber plug tightly against the bottle mouth of the reagent bottle, and the motor drives the knife head in the capping head to retract the capping, thereby achieving sealing;

[0023] Each device is reset and the configuration is complete.

[0024] The technical solution adopted by the present invention can achieve the following beneficial effects:

[0025] The present invention mainly provides a device for configuring an iodine source for an iodine adsorber performance test. The device is configured in a negative pressure operating box, which can effectively reduce the risk of radioactive exposure and contamination to operators. The device is configured by cooperating with a tray, a pipette and a capping and capping device, which can avoid the high requirements for operator experience and proficiency and the risk of errors in manual operation. Liquid extraction based on a pipette improves the accuracy of quantitative preparation, thereby further ensuring the reliability of the performance evaluation of the iodine adsorber in the ventilation system of a nuclear facility. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments, which constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions explain the present invention and do not constitute improper limitations on the present invention. In the drawings:

[0027] Figure 1 It is a structural schematic diagram of a device for configuring an iodine source for iodine adsorber performance test according to the present invention;

[0028] Figure 2 It is a schematic structural diagram of the barrel holder and the needle holder of the present invention;

[0029] Figure 3 It is a structural schematic diagram of the cap conveying and capping device of the present invention;

[0030] Figure 4 It is a schematic diagram of the structure of the pipette of the present invention.

[0031] Description of reference numerals:

[0032] 1. Negative pressure operation box; 2. Tray; 21. Receiving tank; 22. Electric rotating table; 3. Pipette; 31. Stepper motor; 32. Syringe pump; 33. Needle; 34. Cylinder clamp; 341. Clamping claw; 342. Gear; 343. Clamping controller; 344. Servo motor; 345. Rotating shaft; 346. Support rod; 347. Fixed frame; 35. Needle clamp; 36. Waste receiving tray; 4. Capping and capping device; 41. Capping pipe; 42. Cap body; 43. Spring cover; 44. Capping controller; 45. Capping head; 5. Purification equipment; 51. Air inlet pipe; 52. Air inlet filter; 521. First pressure Differential pressure measuring element; 53. Air outlet pipe; 54. Iodine adsorber; 541. Second differential pressure measuring element; 55. Air outlet filter; 551. Third differential pressure measuring element; 56. induced draft fan; 561. Fan protection cover; 57. Air inlet control valve; 58. Air outlet control valve; 59. Pressure measuring element; 6. Operating frame; 61. Vertical moving device; 611. First electric push rod; 612. First push rod; 62. Horizontal moving device; 621. Second electric push rod; 622. Outer tube; 623. Second push rod; 624. Inner tube; 625. Second rotating shaft; 626. Guide groove; 7. Controller; 71. Control signal line. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the specific embodiments of the present invention and the corresponding drawings. In the description of the present invention, it should be noted that the term "or" is usually used in the sense of including "and / or", unless the content clearly indicates otherwise.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a magnetic connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, in the description of this application, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present invention, the meaning of "multiple" is at least two, such as two, three or more, etc., unless otherwise clearly and specifically limited.

[0035] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] In order to solve the problems existing in the prior art, the embodiments of the present application provide a device and method for configuring an iodine source for an iodine adsorber performance test.

[0037] Example 1

[0038] This embodiment provides a device for configuring an iodine source for testing the performance of an iodine adsorber, such as Figure 1 As shown, it includes a negative pressure operation box 1, a tray 2, a pipette 3, a capping machine 4, a purification device 5, an operating frame 6 and a controller 7; the tray 2, the pipette 3, the capping machine 4 and the operating frame 6 are all arranged in the negative pressure operation box 1, and the tray 2 has a plurality of receiving slots 21; the receiving slots 21 are used to receive and fix reagent bottles; the pipette 3 is used to quantitatively transfer liquids in different reagent bottles; the capping machine 4 is used to provide bottle caps to the reagent bottles and roll the bottle caps on the reagent bottles to achieve sealing; the operating frame 6 is used to drive the pipette 3 and the capping machine 4 to move to transfer liquids between different reagent bottles, and to drive the capping machine 4 to cap; the purification device 5 is connected to the negative pressure operation box 1, and is used to maintain the negative pressure state in the negative pressure operation box 1, and to purify the extracted gas and discharge it; the controller 7 is used to control the actions of the tray 2, the pipette 3, the capping machine 4, the purification device 5 and the operating frame 6.

[0039] The device of the present invention is a device for configuring an iodine source for performance testing of an iodine adsorber. Based on completing the configuration in a negative pressure operation box, the risk of radioactive exposure and contamination to operators can be effectively reduced; based on the configuration achieved by cooperating with a tray, a pipette and a capping and capping device, the high requirements for operator experience and proficiency and the risk of errors in manual operation can be avoided; and based on the extraction of liquid by a pipette, the accuracy of quantitative preparation is improved, thereby further ensuring the reliability of the performance evaluation of the iodine adsorber of the ventilation system of a nuclear facility.

[0040] In some preferred embodiments, Figure 1 As shown, the purification equipment 5 includes an air inlet pipe 51, an air inlet filter 52, an air outlet pipe 53, an iodine adsorber 54, an air outlet filter 55, an induced draft fan 56 and a fan wind shield 561; the air inlet of the air inlet filter 52 is connected to the external environment through the air inlet pipe 51, and the air outlet is connected to the air inlet of the negative pressure operation box 1 through the air inlet pipe 51; the gas output from the air outlet of the negative pressure operation box 1 is discharged through the air outlet pipe 53, the iodine adsorber 54, the air outlet filter 55 and the induced draft fan 56 in sequence; the fan shield 561 is used to prevent external foreign matter from entering the induced draft fan 56.

[0041] Preferably, the air inlet filter 52, the iodine adsorber 54 and the air outlet filter 55 are respectively provided with a first differential pressure measuring element 521, a second differential pressure measuring element 541 and a third differential pressure measuring element 551; by measuring the differential pressure (specifically the inlet and outlet pressure difference) of the air inlet filter 52, the iodine adsorber 54 and the air outlet filter 55, it is possible to prompt timely maintenance of the equipment.

[0042] In some preferred embodiments, Figure 1 As shown, the purification equipment 5 also includes an air inlet control valve 57, an air outlet control valve 58 and a pressure measuring element 59; the air inlet control valve 57 is arranged on the air inlet pipe 51, and is used to control the gas flow entering the negative pressure operation box 1; the air outlet control valve 58 is arranged on the air outlet pipe 53, and is used to control the gas flow entering the induced draft fan 56, thereby controlling the pressure inside the negative pressure operation box 1; the pressure measuring element 59 is used to measure the pressure inside the negative pressure operation box 1.

[0043] In some preferred embodiments, Figure 1 As shown, the tray 2 includes a receiving groove 21 and an electric rotating table 22; the lower end of the electric rotating table 22 is installed on the bottom surface of the negative pressure operation box 1, and the top surface of the rotating table is provided with a receiving groove 21, and has a self-locking function, that is, it can realize the positioning and rotation function.

[0044] In some preferred embodiments, Figure 1 and 4As shown, the operating frame 6 includes a vertical moving device 61 and a horizontal moving device 62; the vertical moving device 61 is fixed in the negative pressure operating box 1, and the vertical moving device 61 includes a first electric push rod 611, a first push rod 612 and a guide groove 613, the push rod of the first electric push rod 611 is coaxially connected to the lower end of the first push rod 612, the first push rod 612 is used to extend the length of the retractable part of the first electric push rod 611, the top end of the first push rod 612 is connected to the horizontal moving device 62, and the guide groove 613 is sleeved on the first electric push rod 6 11 and the outer side of the first push rod 612; the horizontal moving device 62 can move up and down in the vertical direction in the guide groove 613; the telescopic part of the first electric push rod 611 can be telescoped to realize the vertical up and down movement of the horizontal moving device 62; the horizontal moving device 62 includes a second electric push rod 621, an outer tube 622, a second push rod 623, an inner tube 624 and a second rotating shaft 625, the second electric push rod 621 is installed at the upper end of the first push rod 612, one end of the outer tube 622 is in the guide groove 613, and a second The push rod of the electric push rod 621, the second push rod 623 and the inner tube 624 are in the inner section of the outer tube 622. The push rod end of the second electric push rod 621 is coaxially fixed to one end of the second push rod 623. The other end of the second push rod 623 is connected to the inner tube 624. The push rod action of the second electric push rod 621 realizes the horizontal left and right movement of the inner tube 624. The inner tube 624 is connected to the capping device 4 at the outer section of the outer tube 622, and is connected to the pipette 3 through the second rotating shaft 625, so as to achieve the distance from or approach to the tray 2. It is fixed on the motor housing of the second electric push rod 621, and the second top rod 623, the inner tube 624 and the push rod of the second electric push rod 621 are arranged in the outer tube 622, that is, the second top rod 623, the inner tube 624 and the push rod of the second electric push rod 621 can move in the outer tube 622; thereby, the horizontal movement distance of the second electric push rod 621 can be increased, and based on the outer tube 622 as the force-bearing body, the probability of failure of the motor of the second electric push rod 621 caused by the radial force of the push rod of the second electric push rod 621 is reduced.

[0045] In some preferred embodiments, Figure 2 As shown, the pipette 3 includes a stepper motor 31, a syringe pump 32 and a needle 33; the stepper motor 31 is used to drive the piston of the syringe pump 32 to move; the syringe pump 32 is connected to the needle 33, and liquid is extracted or injected through the needle 33; for example, the syringe pump 32 is a syringe, the needle tube of the syringe is fixed, and the piston is driven by the stepper motor 31, such as through a gear rack mechanism to realize piston movement, so as to realize quantitative suction.

[0046] In some preferred embodiments, Figure 2As shown, it also includes a barrel clamp 34 and a needle clamp 35; the barrel clamp 34 is used to clamp the injection pump 32; the needle clamp 35 is used to clamp the needle 33 and drive the needle 33 to move to achieve combination or separation with the injection pump 32.

[0047] Specifically, the barrel clamp 34 and the needle clamp 35 have the same structure. The structure of the barrel clamp 34 is described here. The barrel clamp 34 includes a clamping claw 341, a gear 342, a clamping controller 343, a servo motor 344, a rotating shaft 345, a support rod 346 and a fixed frame 347, wherein the fixed frame 347 is fixedly arranged on the bottom surface of the negative pressure operation box 1, and connects the support rod 346, the rotating shaft 345, and the servo motor 344. After the clamping controller 343 sends an opening and closing signal, the servo motor 344 drives the gear 342 to rotate, thereby further realizing the opening and closing of the clamping claw 341; in addition, after the needle clamp 35 clamps the needle, the clamping controller After the plug-in and unplug signal is sent, the rotating shaft 345 and the support rod 346 move to realize the replacement of the needle 33; for example, one end of the support rod 346 is connected to the fixed frame 347 through the rotating shaft 345, and the other end is connected to the servo motor 344 through the rotating shaft 345. The servo motor 344 drives the rotating shaft 345 to rotate, driving the support rod 346 to move toward or away from the injection pump 32; the clamps 341 and the gears 342 are arranged in a one-to-one correspondence, and there are multiple of them. One end of the clamps 341 is connected to the gear 342. The servo motor 344 drives the gear 342 to rotate, driving the other ends of the multiple clamps 341 to move closer to or away from each other, thereby realizing the opening and closing of the barrel of the clamping injection pump 32.

[0048] Preferably, it further comprises a waste receiving tray 36 disposed on the top surface of the electric rotating table 22; the waste receiving tray 36 is used to receive the replaced needles 33 and other wastes.

[0049] In some preferred embodiments, Figure 3 As shown, the capping and capping device 4 includes a capping tube 41, a cap body 42, a spring cover 43, a cap discharging controller 44 and a capping head 45; the cap body 42 is in the capping tube 41, and a cap discharging controller 44 is arranged at the bottom end of the capping tube 41 to realize the opening and closing of the bottom end of the capping tube 41, for example, the opening and closing of the pipe mouth at the bottom end of the capping tube 41 is realized by driving a baffle plate by a motor; the spring cover 43 is arranged at the top end of the capping tube 41, and when the bottom end of the capping tube 41 is opened, it assists the cap body 42 to cover the reagent bottle under the action of its own weight; the capping head 45 is installed at the lower end of the cap discharging controller 44, and after the cap body 42 is covered on the reagent bottle, the motor drives the blade in the capping head 45 to retract, thereby realizing the capping and sealing. Specifically, the capping head 45 can select existing equipment; based on this, the automatic capping function is realized to avoid leakage during the transfer process.

[0050] In some preferred embodiments, Figure 1As shown, the controller 7 is connected to the tray 2, the pipette 3, the capping machine 4, the purification equipment 5 and the operating frame 6 through the control signal line 71, and is used to control the rotation positioning of the tray 2, the pipetting volume control and needle replacement of the pipette 3, the capping of the capping machine 4, the start and stop of the purification equipment 5, and the vertical up and down movement and / or the horizontal left and right movement of the operating frame 6; specifically, the controller 7 can be selected as a PLC controller.

[0051] In some preferred embodiments, Figure 1 As shown, the negative pressure operation box 1 is provided with an operating hand hole 8, and a transfer compartment 9 is provided inside the negative pressure operation box 1; the transfer compartment 9 is a space isolated inwardly by the inner wall of the negative pressure operation box 1, which is connected with the negative pressure operation box 1 through an opening and closing door, and the other side is connected to the external environment, so as to isolate the negative pressure operation box 1 from the operating room. After the configuration is completed, the reagent bottle is taken out by the transfer compartment 9.

[0052] Example 2

[0053] This embodiment provides a configuration method of the device in Embodiment 1, which includes the following steps:

[0054] The purification device 5 is started to maintain the negative pressure state in the negative pressure operation box 1;

[0055] According to the original parameters and requirements of the iodine test source to be configured, the controller 7 controls the amount of liquid to be transferred by the pipette 3;

[0056] The operating frame 6 drives the pipette 3 to move into the corresponding reagent bottle of the tray 2;

[0057] The stepper motor 31 drives the syringe pump 32 to operate, and the liquid in the reagent bottle is extracted through the needle 33. Then the operating frame 6 drives the pipette 3 to move to the position of the reagent bottle to be configured, and the stepper motor 31 drives the syringe pump 32 to operate, and the liquid is injected into the reagent bottle to be configured through the needle 33;

[0058] The operating frame 6 drives the pipette 3 to a position above the waste receiving tray 36;

[0059] The barrel clamp 34 clamps and fixes the syringe pump 32 to fix it;

[0060] The needle holder 35 holds the needle 33 to fix it, and moves downward to remove the needle 33 and release the needle 33 to the waste receiving tray 36;

[0061] The operating frame 6 drives the capping device 4 to move above the reagent bottle, and the capping controller 44 is turned on; the headspace aluminum cap rubber plug cover body 42 in the capping tube 41 is covered on the bottle mouth of the reagent bottle under the action of its own weight and the spring cover 43; then the capping head 45 presses the headspace aluminum cap rubber plug on the bottle mouth of the reagent bottle, and the motor drives the knife head in the capping head 45 to shrink and cap, thereby achieving sealing;

[0062] Each device is reset and the configuration is complete.

[0063] The configuration method of the present invention is based on completing the configuration in a negative pressure operation box, which can effectively reduce the risk of radioactive exposure and contamination to operators; based on the configuration achieved by cooperating with a tray, a pipette and a capping and capping device, it can avoid the high requirements for operator experience and proficiency and the risk of errors in manual operation; and based on the liquid extraction by the pipette, the quantitative preparation accuracy is improved, thereby further ensuring the reliability of the performance evaluation of the iodine adsorber of the nuclear facility ventilation system.

[0064] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation modes, which are merely illustrative rather than restrictive. Under the guidance of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, all of which are within the protection of the present invention.

Claims

1. A device for configuring an iodine source for an iodine adsorber performance test, characterized in that: It includes negative pressure operation box, tray, pipette, capping machine, purification equipment, operation frame and controller; The tray, the pipette, the capping and capping device and the operating frame are all arranged in the negative pressure operating box, and the tray is provided with a plurality of receiving slots; the receiving slots are used to receive and fix reagent bottles; The pipette is used to quantitatively transfer the liquids in different reagent bottles; The capping device is used to provide bottle caps to the reagent bottles and press the bottle caps onto the reagent bottles to achieve sealing; The operating frame is used to drive the pipette and the capping device to move; The purification device is connected to the negative pressure operation box, and is used to maintain the negative pressure state in the negative pressure operation box, and purify the extracted gas before discharging it outside; The controller is used to control the actions of the tray, the pipette, the capping machine, the purification equipment and the operating frame.

2. The device for configuring an iodine source for an iodine adsorber performance test according to claim 1, characterized in that: The purification equipment includes an air inlet pipe, an air inlet filter, an air outlet pipe, an iodine adsorber, an air outlet filter, an induced draft fan and a fan protective cover; The air inlet of the air inlet filter is connected to the external environment through the air inlet pipe, and the air outlet is connected to the air inlet of the negative pressure operation box through the air inlet pipe; The gas output from the air outlet of the negative pressure operation box is discharged through the air outlet pipe, the iodine adsorber, the air outlet filter and the induced draft fan in sequence; The protective cover is used to prevent external foreign matter from entering the induced draft fan.

3. The device for configuring an iodine source for an iodine adsorber performance test according to claim 2, characterized in that: The purification device also includes an air inlet control valve, an air outlet control valve and a pressure measuring element; The air inlet control valve is arranged on the air inlet pipe, and is used to control the gas flow entering the negative pressure operation box; The air outlet control valve is arranged on the air outlet pipe and is used to control the gas flow entering the induced draft fan; The pressure measuring element is used to measure the pressure in the negative pressure operation box.

4. The device for configuring an iodine source for an iodine adsorber performance test according to claim 1, characterized in that: The tray includes a receiving slot and an electric rotating table; The lower end of the electric rotating table is installed on the inner bottom surface of the negative pressure operation box, and the top end surface is provided with the accommodating groove with a self-locking function.

5. The device for configuring an iodine source for an iodine adsorber performance test according to claim 1, characterized in that: The operating frame includes a vertical moving device and a horizontal moving device; The vertical moving device is fixed in the negative pressure operation box, and the vertical moving device includes a first electric push rod, a first push rod and a guide groove, the push rod of the first electric push rod is coaxially connected to the lower end of the first push rod, and the top end of the first push rod is connected to the horizontal moving device; the guide groove is sleeved on the push rod of the first electric push rod and the outer side of the first push rod; The horizontal moving device comprises a second electric push rod, an outer tube, a second push rod, an inner tube and a second rotating shaft; The second electric push rod is installed on the upper end of the first push rod, one end of the outer tube is in the guide groove, and the push rod of the second electric push rod, the second push rod and the inner section of the inner tube in the outer tube are arranged in the outer tube, and the push rod end of the second electric push rod is coaxially fixed to one end of the second push rod; the other end of the second push rod is connected to the inner tube, and the inner tube is moved left and right in the horizontal direction through the push rod action of the second electric push rod, the inner tube is connected to the capping device at the outer section of the outer tube, and is connected to the pipette through the second rotating shaft, so as to move away from or approach the tray.

6. The device for configuring an iodine source for an iodine adsorber performance test according to claim 1, characterized in that: The pipette comprises a stepping motor, a syringe pump and a needle; The stepper motor is used to drive the piston of the injection pump to move; The injection pump is connected to the needle, and liquid is extracted or injected through the needle.

7. The device for configuring an iodine source for an iodine adsorber performance test according to claim 6, characterized in that: Also included is a barrel holder and a needle holder; The barrel clamp is used to clamp the injection pump; The needle holder is used to hold the needle and drive the needle to move so as to achieve combination with or separation from the injection pump.

8. The device for configuring an iodine source for an iodine adsorber performance test according to claim 1, characterized in that: The cap conveying and capping device comprises a cap conveying pipe, a cap body, a spring cover, a cap discharging controller and a capping head; The cover body is inside the cover delivery tube, and the bottom end of the cover delivery tube is provided with the cover output controller to realize the opening and closing of the bottom end of the cover delivery tube; The spring cover is arranged at the top of the cover delivery tube, and when the bottom of the cover delivery tube is opened, it helps the cover body to cover the reagent bottle under the action of its own weight; The capping head is installed at the lower end of the capping controller. After the cap body is covered on the reagent bottle, the motor drives the knife head in the capping head to shrink, thereby realizing the capping and sealing.

9. The device for configuring an iodine source for an iodine adsorber performance test according to claim 1, characterized in that: The controller is connected to the tray, the pipette, the capping machine, the purification equipment and the operating frame through control signal lines, and is used to control the rotation positioning of the tray, the pipetting volume control and needle replacement of the pipette, the capping of the capping machine, the start and stop of the purification equipment, and the vertical up and down movement and horizontal left and right movement of the operating frame.

10. A configuration method of the device according to any one of claims 1 to 9, characterized in that: The steps include: The purification equipment is started to maintain the negative pressure state in the negative pressure operation box; According to the original parameters and requirements of the source for the performance test of the iodine adsorber to be configured, the controller controls the amount of liquid to be transferred by the pipette; The operating frame drives the pipette to move into the corresponding reagent bottle on the tray; The stepper motor drives the syringe pump to operate, and the liquid in the reagent bottle is extracted through the needle. Then the operating frame drives the pipette to move to the position of the reagent bottle to be configured, and the stepper motor drives the syringe pump to operate, and the liquid is injected into the reagent bottle to be configured through the needle. The operating frame drives the pipette to a position above the waste receiving tray; The barrel clamp clamps and fixes the injection pump to fix it; The needle holder clamps the needle to fix it, moves downward, and after pulling out the needle, releases the needle to the waste receiving tray; The operating frame drives the capping device to move above the reagent bottle, and the capping controller is turned on; the cap body of the headspace aluminum cap rubber plug in the capping tube is covered on the bottle mouth of the reagent bottle under the action of its own weight and the spring cover; Then the capping head presses the headspace aluminum cap rubber plug tightly against the mouth of the reagent bottle, and the motor drives the cutter head in the capping head to shrink the capping, thereby achieving sealing; Each device is reset and the configuration is complete.

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