A pneumatic conveying device

Abstract

The application discloses a kind of pneumatic conveying devices, solved the technical problem that the sample box needs to be controlled to multiple shunters when conveying in prior art rabbit device, control process is more complex;Including irradiation tube, waste tank, first road changer, second road changer, sample feeder, pneumatic device, controller and multiple task devices;The output end of sample feeder is connected with the input end of first road changer and the input end of second road changer respectively, and the output end of first road changer is connected with irradiation tube and waste tank simultaneously, and the output end of second road changer is connected with multiple task devices respectively;The output end of pneumatic device is connected with irradiation tube, waste tank and multiple task devices;Controller is electrically connected with first road changer, second road changer, sample feeder and pneumatic device respectively;By controlling pneumatic device by controller, pneumatic device forms conveying airflow in the set conveying route, and sample box reaches destination along conveying route under the push of conveying airflow.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of pneumatic conveying equipment. BACKGROUND

[0002] Irradiation technology is to use radioisotope, reactor or accelerator generated electron beam, gamma ray, neutron and other ionizing radiation sources to irradiate materials, causing ionization, excitation and other effects, thereby changing the physical, chemical or biological properties of materials.

[0003] At present, when sample is irradiated, stored, detected and other tasks, sample is loaded into sample box and sample is placed into rabbit device (i.e. pneumatic conveying device), and sample is conveyed by rabbit device, for example, the patent with application number CN201611029830.2 and the name of a kind of neutron activation analysis rabbit device, which discloses the transportation of sample box, but the patent sets more shunters, and multiple shunters need to be controlled when conveying sample box in rabbit device, and the control process is relatively complex. SUMMARY

[0004] The purpose of the present application is to solve the technical problems that the existing technology needs to control multiple shunters when conveying sample box in rabbit device, and the control process is relatively complex, and to provide a kind of pneumatic conveying device.

[0005] In order to achieve the above purpose, the present application adopts the following technical solutions:

[0006] A kind of pneumatic conveying device, which is characterized by: comprising irradiation tube, waste tank, first shunter, second shunter, sample feeder, pneumatic device, controller and multiple task devices;

[0007] The output end of the sample feeder is connected to the input end of the first shunter and the input end of the second shunter respectively, the output end of the first shunter is connected to the irradiation tube and the waste tank simultaneously, and the output end of the second shunter is connected to the multiple task devices respectively;

[0008] The output end of the pneumatic device is connected to the irradiation tube, the waste tank and the multiple task devices respectively;

[0009] The controller is electrically connected to the first shunter, the second shunter, the sample feeder and the pneumatic device respectively.

[0010] Further, the pneumatic device comprises an air inlet assembly, a vacuum assembly and an air path control assembly;

[0011] The air inlet assembly is electrically connected to the controller, the input end of the air inlet assembly is connected to the outside air, and the output end is connected to the irradiation tube, the waste tank and the multiple task devices, for conveying air flow to the irradiation tube or the waste tank or one of the task devices, and inputting the conveying result to the controller;

[0012] The vacuum assembly is connected to the controller, the output of the vacuum assembly is connected to the outside air, and the input is connected to the irradiation tube, the waste tank and the plurality of task devices, for providing negative pressure to the irradiation tube or the waste tank or one of the task devices, and inputting the negative pressure formation parameters to the controller;

[0013] The gas path control assembly is connected to the controller, the air inlet assembly and the vacuum assembly, for receiving the control instructions from the controller, and controlling the air inlet assembly and the irradiation tube, the waste tank and the plurality of task devices, and controlling the vacuum assembly and the irradiation tube, the waste tank and the plurality of task devices.

[0014] Further, the air inlet assembly includes m air inlet headers, where m≥1, each of the m air inlet headers is connected to an air inlet pipeline, each of the air inlet headers is connected to a plurality of branch pipes a, each of the branch pipes a is provided with a first vacuum damper valve, the two ends of the irradiation tube, the end of the waste tank close to the first loop switch and the two ends of the plurality of task devices or the end close to the second loop switch are connected to the branch pipes a or the vacuum assembly, and each of the first vacuum damper valves is connected to the gas path control assembly.

[0015] The air inlet pipeline is further connected to a proportional regulating valve and a first flow meter, and the proportional regulating valve and the first flow meter are connected to the controller.

[0016] Further, the vacuum assembly includes n vacuum headers, where n≥1, each of the n vacuum headers is connected to one end of a negative pressure pipeline, each of the vacuum headers is connected to a plurality of branch pipes b,

[0017] Each of the branch pipes b is provided with a second vacuum damper valve, and each of the second vacuum damper valves is connected to the gas path control assembly.

[0018] The two ends of the irradiation tube, the end of the waste tank close to the first loop switch and the two ends of the plurality of task devices or the end close to the second loop switch are connected to the branch pipes a or the branch pipes b.

[0019] The other end of the negative pressure pipeline is connected to a vacuum tank and a vacuum pump in sequence, and the negative pressure pipeline is further connected to a second flow meter, and the second flow meter is connected to the controller.

[0020] Further, the plurality of task devices includes a measuring tube, a receiver and a plurality of sample storage devices connected to the output of the second loop switch.

[0021] The two ends of the measuring tube are connected to the branch pipes a or the branch pipes b.

[0022] The end of the receiver close to the second loop switch is connected to the branch pipes a or the branch pipes b.

[0023] The two ends of the multi-sample storage are connected with gas distribution pipe a or gas distribution pipe b respectively.

[0024] Further, the first vacuum damper valve and the second vacuum damper valve are all three-position five-way electromagnetic valves.

[0025] Further, the gas path control assembly comprises an air compressor, the air compressor is connected with a gas storage tank through a gas pipeline, and the gas storage tank is connected with two gas path distributors through gas pipelines;

[0026] One of the gas path distributors is connected with a plurality of first electromagnetic valves, and each first electromagnetic valve is connected with a first vacuum damper valve in correspondence;

[0027] The other gas path distributor is connected with a plurality of second electromagnetic valves, and each second electromagnetic valve is connected with a second vacuum damper valve in correspondence;

[0028] The plurality of first electromagnetic valves and the plurality of second electromagnetic valves are electrically connected with a controller.

[0029] Further, a pneumatic two-piece is further connected between the gas pipelines between the gas storage tank and the two gas path distributors.

[0030] Further, the input end and the output end of the sample feeder, the input end and the output end of the first path switcher, the input end and the output end of the second path switcher, one end of the plurality of task devices close to the output end of the second path switcher, the input end of the irradiation pipe and the input end of the waste tank are all connected with detection sensors for sample box detection, and each detection sensor is electrically connected with the controller.

[0031] Further, the controller comprises a local control terminal, a remote control terminal and a programmable logic controller.

[0032] The local control terminal and the remote control terminal are both electrically connected with the programmable logic controller, and the local control terminal and the remote control terminal are both used for sending control signals to the programmable logic controller.

[0033] The programmable logic controller is electrically connected with the first path switcher, the second path switcher, the sample feeder and the pneumatic device respectively.

[0034] The beneficial effects of the present application are as follows:

[0035] The pneumatic conveying device of the present application controls the pneumatic device through the controller, so that the pneumatic device forms a conveying gas flow in the set conveying route, and the sample box reaches the destination along the conveying route under the pushing of the conveying gas flow.

[0036] The present invention discloses a pneumatic conveying device. The controller in the pneumatic device can change the conveying route by controlling the first and second circuit breakers. The control of the pneumatic device can form a conveying airflow in the conveying route. The number of circuit breakers required is small and the control process is simple.

[0037] The present invention discloses a pneumatic conveying device that provides negative pressure to an irradiation tube, a waste container, and multiple mission devices to move sample boxes within the irradiation tube, waste container, and multiple mission devices. Attached Figure Description

[0038] Figure 1 This is a schematic diagram of the structure of an embodiment of a pneumatic conveying device according to the present invention (the pneumatic device part is omitted);

[0039] Figure 2 This is a schematic diagram of the structure of an embodiment of the pneumatic conveying device of the present invention;

[0040] Figure 3 This is a schematic diagram of the structure of the pneumatic device in an embodiment of the pneumatic conveying device of the present invention;

[0041] Figure 4 This is a schematic diagram of the air path control component in an embodiment of a pneumatic conveying device according to the present invention;

[0042] Figure 5 This is a schematic diagram of the connection relationship of the controller in an embodiment of a pneumatic conveying device of the present invention.

[0043] In the diagram, 1-irradiation tube; 2-waste container; 3-first converter; 4-second converter; 5-sampler; 6-pneumatic device; 61-inlet assembly; 611-inlet gas collection pipe; 612-inlet pipeline; 613-first vacuum baffle valve; 614-proportional regulating valve; 615-first flow meter; 62-vacuum assembly; 621-vacuum gas collection pipe; 622-vacuum pump; 623-vacuum tank; 624-second vacuum baffle valve; 625-second flow meter 63-Pneumatic control assembly, 631-Air compressor, 632-Air tank, 633-First solenoid valve, 634-Second solenoid valve, 635-Pneumatic distributor, 636-Pneumatic dual unit; 7-Controller, 701-Local control terminal, 702-Remote control terminal, 703-Programmable logic controller; 8-Task device, 801-Measuring tube, 802-Receiver, 803-Multi-sample storage; 9-Detection sensor, 10-Irradiation pit. Detailed Implementation

[0044] The technical solutions of the present application will be clearly and completely described below with reference to the drawings and embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0045] The pneumatic conveying device provided in the embodiment comprises an irradiation tube 1, a waste tank 2, a first switcher 3, a second switcher 4, a sample feeder 5, a pneumatic device 6, a controller 7 and a plurality of task devices 8. Figure 1 and Figure 2 The pneumatic conveying device provided in the embodiment comprises an irradiation tube 1, a waste tank 2, a first switcher 3, a second switcher 4, a sample feeder 5, a pneumatic device 6, a controller 7 and a plurality of task devices 8.

[0046] The irradiation tube 1 is arranged in an irradiation pit 10 of a reactor, as shown in Figure 2 When irradiation of a sample is needed, a sample box loaded with the sample is conveyed into the irradiation tube 1.

[0047] The waste tank 2 is used to place the sample box after the sample is irradiated, detected and the like.

[0048] The first switcher 3 has an input end and a plurality of output ends, the input end of the first switcher 3 is in communication with one of the output ends, and the plurality of output ends are in communication with the irradiation tube 1 and the waste tank 2 respectively. The first switcher 3 is electrically connected with the controller 7, and can be controlled by the controller 7 to control the output end in communication with the input end, so that the irradiation tube 1 or the waste tank 2 is connected to the conveying pipeline.

[0049] The second switcher 4 has an input end and a plurality of output ends, the input end of the second switcher 4 is in communication with one of the output ends, and the plurality of output ends are in one-to-one correspondence with the plurality of task devices 8. The second switcher 4 is electrically connected with the controller 7, and can be controlled by the controller 7 to control the output end in communication with the input end, so that one of the task devices 8 is connected to the conveying pipeline.

[0050] The two ends of the sample feeder 5 are in communication with the input end and the input end respectively. The sample feeder 5 is electrically connected with the controller 7, and can be controlled by the controller 7 to place the sample box in the conveying pipeline. Moreover, the sample box conveyed out of the input end can reach the input end through the sample feeder 5, and the sample box conveyed out of the input end can also reach the input end through the sample feeder 5.

[0051] The pneumatic device 6 is in communication with the irradiation tube 1, the waste tank 2 and the plurality of task devices 8, and is arranged between the irradiation tube 1 and the task devices 8 or between the waste tank 2 and the task devices 8 to form a conveying gas flow. The pneumatic device 6 is electrically connected with the controller 7, and can be controlled by the controller 7 to form the conveying gas flow in the conveying pipeline arranged, so that the sample box moves in the conveying pipeline arranged.

[0052] The controller 7 is electrically connected to the sample injector 5, the pneumatic device 6, the first switch 3 and the second switch 4, and is used to control the sample injector 5, the pneumatic device 6, the first switch 3 and the second switch 4.

[0053] The plurality of task devices 8 includes a measuring tube 801, a receiver 802 and a multi-sample storage 803.

[0054] In operation, the controller 7 can change the conveying path by controlling the first switch 3 and the second switch 4, and form a conveying gas flow in the conveying path by controlling the pneumatic device 6, so that the number of switches required is less and the control process is simple.

[0055] The embodiment provides a specific structure of the pneumatic device 6, which will be described below with reference to Figure 3 The pneumatic device 6 includes an air inlet assembly 61, a vacuum assembly 62 and a gas path control assembly 63. The air inlet assembly 61 is connected to the irradiation tube 1 and the plurality of task devices 8, and is used to convey the gas flow to the outside. The vacuum assembly 62 is connected to the irradiation tube 1, the waste tank 2 and the plurality of task devices 8, and is used to form a negative pressure. The gas path control assembly 63 is electrically connected to the controller 7, and is connected to the air inlet assembly 61 and the vacuum assembly 62, so as to control the on-off of the air inlet assembly 61 and the irradiation tube 1, the waste tank 2 and the task devices 8, and the on-off of the vacuum assembly 62 and the irradiation tube 1, the waste tank 2 and the task devices 8.

[0056] After the controller 7 sets the conveying path of the sample box by controlling the first switch 3 and the second switch 4, the gas path control assembly 63 can control the vacuum assembly 62 to form a negative pressure at the end of the conveying path, and the gas path control assembly 63 can control the air inlet assembly 61 to convey the gas flow to the conveying path at the beginning of the conveying path, so as to push the sample box in the conveying path to move to the destination.

[0057] When it is needed to convey the sample box to the irradiation tube 1 for irradiation, the controller 7 controls the output end of the first switch 3 connected to the irradiation tube 1 to communicate with the input end, controls the second switch 4 to communicate any output end with the input end, and forms a conveying path for conveying the sample box to the irradiation tube 1; the controller 7 controls the vacuum assembly 62 to communicate with the irradiation tube 1 through the gas path control assembly 63, and forms a negative pressure at the irradiation tube 1; the controller 7 controls the air inlet assembly 61 to communicate with the task device 8 connected to the input end through the gas path control assembly 63, so that the conveying gas flow of the air inlet assembly 61 passes through the second switch 4, the sample injector 5 and the first switch 3 in sequence, and finally conveys the sample box to the irradiation tube 1.

[0058] Continuing to refer to Figure 3The air intake assembly 61 includes at least one air intake manifold 611, an air intake pipe 612, and a plurality of first vacuum damper valves 613. The plurality of first vacuum damper valves 613 are installed on the air intake manifold 611, and each of the plurality of first vacuum damper valves 613 is connected to the air path control assembly 63 for opening and closing under the control of the air path control assembly 63. One end of the air intake pipe 612 is communicated with the at least one air intake manifold 611, and the other end of the air intake pipe 612 is communicated with the outside air.

[0059] Figure 3 The air intake assembly 61 in the air intake assembly 61 includes three air intake manifolds 611, which are communicated by pipes, and each of the air intake manifolds 611 is communicated with a plurality of branch pipes a.

[0060] The plurality of branch pipes a connected to the first vacuum damper valves 613 are respectively communicated with two ends of the plurality of task devices 8, two ends of the irradiation pipe 1, and one end of the waste tank 2 close to the first switch 3. When the first vacuum damper valves 613 are controlled to be opened by the air path control assembly 63, the gas in the air intake manifold 611 enters the corresponding air intake interface.

[0061] In addition, the air intake assembly 61 further includes a proportional regulating valve 614 and a first flow meter 615 arranged on the air intake pipe 612. The proportional regulating valve 614 is electrically connected to the controller 7 for adjusting the size of the air intake under the control of the controller 7. The first flow meter 615 is electrically connected to the controller 7 for transmitting the measurement results to the controller 7. The controller 7 controls the opening degree of the proportional regulating valve 614 according to the air intake flow measured by the first flow meter 615.

[0062] Continuing to refer to Figure 3 The vacuum assembly 62 includes at least one vacuum manifold 621, a vacuum pump 622, a vacuum tank 623, and a plurality of second vacuum damper valves 624. The plurality of second vacuum damper valves 624 are installed on the at least one vacuum manifold 621, and each of the plurality of second vacuum damper valves 624 is connected to the air path control assembly 63 for opening and closing under the control of the air path control assembly 63. The vacuum pump 622 is communicated with the at least one vacuum manifold 621 through the vacuum tank 623, and is electrically connected to the controller 7.

[0063] Figure 3 The vacuum assembly 62 in the air intake assembly 61 includes three air intake manifolds 611, which are communicated by pipes, and each of the air intake manifolds 611 is communicated with a plurality of branch pipes a.

[0064] The plurality of gas distribution pipes b connected to the second vacuum damper valve 624 are respectively communicated with two ends of the plurality of task devices 8, two ends of the irradiation pipe 1 and one end of the waste tank 2 close to the first switch 3. When the second vacuum damper valve 624 is controlled to be opened by the gas circuit control assembly 63, the gas in the conveying pipeline flows out through the gas outlet and flows into the vacuum gas collecting pipe 621.

[0065] In the working process of the vacuum assembly 62 in the embodiment, the vacuum pump 622 evacuates the gas in the vacuum tank 623. The vacuum gas collecting pipe 621 connected to the vacuum tank 623 is evacuated by the vacuum tank 623, so that a vacuum is formed in the vacuum gas collecting pipe 621.

[0066] In addition, the vacuum assembly 62 further comprises a second flow meter 625 arranged between the vacuum tank 623 and the vacuum gas collecting pipe 621. The second flow meter 625 is electrically connected to the controller 7 and transmits the measurement result to the controller 7. The controller 7 controls the vacuum pump 622 according to the measurement result of the second flow meter 625.

[0067] Continuing to refer to Figure 4 The gas circuit control assembly 63 comprises an air compressor 631, a gas storage tank 632, a plurality of first electromagnetic valves 633 and a plurality of second electromagnetic valves 634. The air compressor 631 is communicated with the gas storage tank 632 and is used to compress and convey air to the gas storage tank 632, so that the gas storage tank 632 stores high-pressure gas. The plurality of first electromagnetic valves 633 and the plurality of second electromagnetic valves 634 are both communicated with the gas storage tank 632. The plurality of first electromagnetic valves 633 are one-to-one correspondingly communicated with the plurality of first vacuum damper valves 613, and the plurality of second electromagnetic valves 634 are one-to-one correspondingly communicated with the plurality of second vacuum damper valves 624. The controller 7 is electrically connected to the plurality of first electromagnetic valves 633 and the plurality of second electromagnetic valves 634.

[0068] The controller 7 controls the first electromagnetic valves 633 to change the direction of the high-pressure gas in the gas storage tank 632 into the corresponding first vacuum damper valves 613, so as to realize the opening and closing of the first vacuum damper valves 613. Similarly, the controller 7 controls the second electromagnetic valves 634 to change the direction of the high-pressure gas in the gas storage tank 632 into the corresponding second vacuum damper valves 624, so as to realize the opening and closing of the second vacuum damper valves 624. The first electromagnetic valves 633 and the second electromagnetic valves 634 are all three-position five-way electromagnetic valves.

[0069] In addition, the gas circuit control assembly 63 further comprises two gas circuit distributors 635. The two gas circuit distributors 635 are both communicated with the gas storage tank 632. The plurality of first electromagnetic valves 633 are installed in one of the two gas circuit distributors 635, and the plurality of second electromagnetic valves 634 are installed in the other gas circuit distributor 635. The two gas circuit distributors 635 respectively distribute the high-pressure gas in the gas storage tank 632 to the plurality of first electromagnetic valves 633 and the plurality of second electromagnetic valves 634.

[0070] The pneumatic conveying device provided in this embodiment also includes multiple detection sensors 9 electrically connected to the controller 7. A detection sensor 9 is installed inside the sample injector 5 to detect whether the sample cartridge has entered the conveying pipeline. Detection sensors 9 are installed at the input and multiple output ends of the first converter 3, and at the input and multiple output ends of the second converter 4, to detect the passage of the sample cartridge. Detection sensors 9 are installed at the ends of multiple functional components that communicate with the second converter 4, and at the ends of the irradiation tube 1 and the waste container 2 that communicate with the first converter 3.

[0071] In this embodiment, the detection sensor 9 consists of two through-beam sensors.

[0072] When the sample box passes by the location of the detection sensor 9, the detection sensor 9 can detect it and send the signal of detecting the sample box to the controller 7, so that the controller 7 can obtain the position and direction of movement of the sample box.

[0073] When the detection sensor 9 installed at the input end detects the sample box first, and then the detection sensor 9 installed at the output end of the connection section with the irradiation tube 1 detects the sample box, the controller 7 can determine that the sample box has moved toward the irradiation tube 1 through the first switch 3.

[0074] This embodiment provides the specific structure of controller 7, such as Figure 5 As shown. Controller 7 includes a local control terminal 701, a remote control terminal 702, and a programmable logic controller 703. Both the local control terminal 701 and the remote control terminal 702 are signal-connected to the programmable logic controller 703 and are used to send control signals to the programmable logic controller 703. The programmable logic controller 703 is electrically connected to the sampler 5, the pneumatic device 6, the first circuit breaker 3, and the second circuit breaker 4.

[0075] Both the local control terminal 701 and the remote control terminal 702 can send control signals to the programmable logic controller 703 through a program. The programmable logic controller 703 can control the sampler 5, the pneumatic device 6, the first converter 3 and the second converter 4 according to the control signals.

[0076] The above description is merely a specific embodiment of the present invention and a comparison of the effects of the specific embodiments with relevant comparative examples. However, the scope of protection of the present invention is not limited thereto. Any changes or substitutions within the technical scope disclosed in the present invention should be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A pneumatic conveying device, characterized in that: It includes an irradiation tube (1), a waste container (2), a first converter (3), a second converter (4), a sampler (5), a pneumatic device (6), a controller (7), and multiple mission devices (8). The output end of the injector (5) is connected to the input end of the first converter (3) and the input end of the second converter (4), respectively. The output end of the first converter (3) is connected to the irradiation tube (1) and the waste tank (2) at the same time. The output end of the second converter (4) is connected to multiple mission devices (8). The pneumatic device (6) includes an air intake assembly (61), a vacuum assembly (62), and an air path control assembly (63). The air intake assembly (61) is electrically connected to the controller (7). The input end of the air intake assembly (61) is connected to the outside air, and the output end is connected to the irradiation tube (1), the waste tank (2), and multiple task devices (8). It is used to deliver airflow to the irradiation tube (1), the waste tank (2), or one of the task devices (8), and input the delivery result to the controller (7). The air intake assembly (61) includes m air intake manifolds (611), where m ≥ 1. Each of the m air intake manifolds (611) is connected to an air intake pipeline (612). Each air intake manifold (611) is connected to multiple gas distribution pipes a. Each gas distribution pipe a is provided with a first vacuum baffle valve (613). The two ends of the irradiation tube (1), the end of the waste tank (2) near the first converter (3), and the two ends or the end near the second converter (4) of the multiple task devices (8) are respectively connected to the gas distribution pipes a or the vacuum assembly (62). Each first vacuum baffle valve (613) is connected to the gas path control assembly (63). The intake pipe (612) is also connected to a proportional regulating valve (614) and a first flow meter (615), and the proportional regulating valve (614) and the first flow meter (615) are electrically connected to the controller (7). The vacuum assembly (62) is electrically connected to the controller (7). The output end of the vacuum assembly (62) is connected to the outside air, and the input end is connected to the irradiation tube (1), the waste tank (2), and multiple task devices (8). It is used to provide negative pressure to the irradiation tube (1), the waste tank (2), or one of the task devices (8), and input the negative pressure forming parameters to the controller (7). The vacuum assembly (62) includes n vacuum collection pipes (621), where n≥1. Each of the n vacuum collection pipes (621) is connected to one end of a negative pressure pipeline. Each vacuum collection pipe (621) is connected to multiple distribution pipes b. Each distribution pipe b is provided with a second vacuum baffle valve (624). Each second vacuum baffle valve (624) is connected to a gas path control assembly (63). The two ends of the irradiation tube (1), the end of the waste tank (2) near the first converter (3), and the two ends or the end near the second converter (4) of the multiple task devices (8) are respectively connected to the gas distribution pipe a or the gas distribution pipe b. The other end of the negative pressure pipeline is connected in sequence to a vacuum tank (623) and a vacuum pump (622). A second flow meter (625) is also connected to the negative pressure pipeline. The second flow meter (625) is electrically connected to a controller (7). The gas path control component (63) is electrically connected to the controller (7), the air intake component (61), and the vacuum component (62). It is used to receive control commands issued by the controller (7) and control the air intake component (61) to connect or disconnect with the irradiation tube (1), the waste tank (2), and multiple mission devices (8). At the same time, it controls the vacuum component (62) to connect or disconnect with the irradiation tube (1), the waste tank (2), and multiple mission devices (8). The controller (7) is electrically connected to the first circuit breaker (3), the second circuit breaker (4), the sampler (5), and the pneumatic device (6). The sample injector (5), the input and output ends of the first converter (3), the input and output ends of the second converter (4), the end of the multiple task devices (8) near the output end of the second converter (4), the input end of the irradiation tube (1), and the input end of the waste container (2) are all connected to a detection sensor (9) for sample box detection, and each of the detection sensors (9) is electrically connected to the controller (7).

2. The pneumatic conveying device according to claim 1, characterized in that: The multiple task devices (8) include a measuring tube (801), a receiver (802), and a multi-sample memory (803) respectively connected to the output end of the second switch (4). The two ends of the measuring tube (801) are respectively connected to the gas distribution tube a or the gas distribution tube b; The receiver (802) is connected to either the gas splitter a or the gas splitter b at the end near the second switch (4); The two ends of the multi-sample storage device (803) are respectively connected to the gas distribution tube a or the gas distribution tube b.

3. The pneumatic conveying device according to claim 1, characterized in that: Both the first vacuum baffle valve (613) and the second vacuum baffle valve (624) are three-position five-way solenoid valves.

4. The pneumatic conveying device according to claim 3, characterized in that: The air circuit control component (63) includes an air compressor (631), which is connected to an air storage tank (632) via a gas pipeline, and the air storage tank (632) is connected to two air circuit distributors (635) via a gas pipeline. One of the gas distributors (635) is connected to a plurality of first solenoid valves (633), and each of the first solenoid valves (633) is connected to a first vacuum baffle valve (613). Another gas distributor is connected to a plurality of second solenoid valves (634), each of which is connected to a corresponding second vacuum baffle valve (624); Multiple first solenoid valves (633) and multiple second solenoid valves (634) are electrically connected to the controller (7).

5. The pneumatic conveying device according to claim 4, characterized in that: A pneumatic double unit (636) is also connected to the gas pipeline between the gas storage tank (632) and the two gas distributors (635).

6. The pneumatic conveying device according to claim 1, characterized in that: The controller (7) includes a local control terminal (701), a remote control terminal (702), and a programmable logic controller (703). The local control terminal (701) and the remote control terminal (702) are both electrically connected to the programmable logic controller (703), and both the local control terminal (701) and the remote control terminal (702) are used to send control signals to the programmable logic controller (703). The programmable logic controller (703) is electrically connected to the first switch (3), the second switch (4), the sampler (5), and the pneumatic device (6).

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