Discharging device for continuous production of radioactive solid materials

Abstract

The utility model relates to the technical field of nuclear industry, in particular to a discharging device for continuous production of radioactive solid materials. The device comprises a transfer unit, a material temporary storage unit, a tail gas treatment unit and a cover sealing unit. The material caching unit is connected with the capping unit through the transfer unit, and the tail gas treatment unit is arranged between the material caching unit and the capping unit; the transfer unit comprises a lifting assembly and a transfer assembly; the material caching unit comprises a middle stock bin, the lower end of the middle stock bin is fixedly connected with a discharging pipe, a discharging valve is arranged on the discharging pipe, and a weighing device is arranged under the discharging pipe. The transfer unit, the material temporary storage unit, the tail gas treatment unit and the cover sealing unit are organically combined under the condition that sealing is guaranteed, so that non-stop continuous discharging of radioactive solid materials is completed under the condition that manual contact is effectively avoided, and the labor intensity of operators is greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of nuclear industry technology, and in particular to a discharge device for the continuous production of radioactive solid materials. Background Technology

[0002] In the field of nuclear chemical production technology, using chemical reaction devices such as gas-solid fluidized beds, gas-solid moving beds, or drying units to produce solid materials is a common production method. However, because the resulting solid materials contain varying levels of radioactivity and easily disperse in the environment to form aerosols that pollute the environment, operators must take adequate protective measures before unloading operations. Direct contact production methods are not conducive to the continuous and stable operation of the system and also affect the health of operators. Therefore, how to achieve continuous unloading without contact with materials is a technical challenge that must be overcome and is also the key to achieving stable system operation. Utility Model Content

[0003] This invention addresses the aforementioned problems and overcomes the shortcomings of existing technologies by providing a discharge device for the continuous production of radioactive solid materials, thereby resolving the issues described in the background section.

[0004] The technical solution of this utility model is: a unloading device for continuous production of radioactive solid materials, including a transfer unit, a material buffer unit, a tail gas treatment unit, and a sealing unit; the material buffer unit is connected to the sealing unit through the transfer unit, and the tail gas treatment unit is disposed between the material buffer unit and the sealing unit;

[0005] The transfer unit includes a lifting assembly and a transfer assembly;

[0006] The material buffer unit includes an intermediate silo, the lower end of which is fixedly connected to a discharge pipe. A discharge valve is installed on the discharge pipe, and a weighing device is installed directly below the discharge pipe.

[0007] Furthermore, the lifting component is an electric hoist or a crane, and the transfer component is a transfer trolley.

[0008] Furthermore, the intermediate silo has a conical structure.

[0009] Furthermore, a vibrator or pneumatic hammer is installed on the outside of the intermediate hopper.

[0010] Furthermore, the unloading valve is a solenoid valve or a pneumatic valve, controlled by a PLC or a system-preset interlock command.

[0011] Furthermore, the weighing device is an electronic scale with a sensor, which can transmit the weighing signal to the PLC and control the opening and closing of the unloading valve through the PLC's preset interlock control.

[0012] Furthermore, the exhaust gas treatment unit is a multi-stage filter.

[0013] Furthermore, the capping unit is a robotic arm or a hydraulic capping machine.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] (1) This utility model organically combines the transfer unit, material buffer unit, exhaust gas treatment unit and sealing unit while ensuring sealing, thereby achieving automation and environmental protection of the unloading process while effectively avoiding human contact. The unloading effect is clean and thorough, and the radioactive solid material can be unloaded continuously without stopping, which greatly reduces the labor intensity of operators.

[0016] (2) In this utility model, a vibrator is installed outside the intermediate silo to periodically knock the silo in order to prevent the material from settling inside the silo.

[0017] (3) In this utility model, by using an electronic scale with a sensor, the weighing signal can be transmitted to the PLC, and the opening and closing of the solenoid valve can be controlled by the interlocking control preset by the PLC. Attached Figure Description

[0018] Figure 1 A schematic diagram of a discharge device for the continuous production of radioactive solid materials;

[0019] In the diagram: 1-Intermediate silo, 2-Unloading pipe, 3-Electric hoist, 4-Transfer trolley, 5-Vibrator, 6-Solenoid valve, 7-Electronic scale, 8-Multi-stage filter, 9-Robotic arm. Detailed Implementation

[0020] The present invention will now be described in detail with reference to the accompanying drawings. However, it should be noted that the implementation of the present invention is not limited to the following embodiments.

[0021] like Figure 1 As shown in the figure, an unloading device for continuous production of radioactive solid materials in this embodiment includes a transfer unit, a material buffer unit, a tail gas treatment unit, and a sealing unit; the material buffer unit is connected to the sealing unit through the transfer unit, and the tail gas treatment unit is disposed between the material buffer unit and the sealing unit;

[0022] The transfer unit includes a lifting assembly and a transfer assembly;

[0023] The material buffer unit includes an intermediate silo 1, with a discharge pipe 2 fixedly connected to the lower end of the intermediate silo 1. A discharge valve is installed on the discharge pipe 2, and a weighing device is installed directly below the discharge pipe 2.

[0024] This invention organically combines a transfer unit, a material buffer unit, a tail gas treatment unit, and a sealing unit while ensuring a sealed environment. This achieves automation and environmental friendliness in the unloading process while effectively avoiding human contact. The unloading effect is clean and thorough, enabling continuous unloading of radioactive solid materials without stopping, and greatly reducing the labor intensity of operators.

[0025] Specifically, in some embodiments of this utility model, the lifting component is an electric hoist 3, and the transfer component is a transfer trolley 4. This utility model uses the electric hoist 3 to transport empty barrels to the transfer trolley 4, and then the transfer trolley 4 transports them to the material buffer unit and the capping unit.

[0026] Specifically, in some embodiments of this utility model, the intermediate silo 1 has a conical structure. The conical structure of the intermediate silo 1 in this utility model ensures smooth material flow, prevents material accumulation and blockage, improves material flow performance, and ensures efficient material discharge.

[0027] Specifically, in some embodiments of this invention, a vibrator 5 is provided on the outside of the intermediate silo 1. This invention uses a vibrator 5 on the outside of the intermediate silo 1 to periodically vibrate the silo, thereby preventing material from accumulating inside.

[0028] Specifically, in some embodiments of this invention, the unloading valve is a solenoid valve 6. In this invention, a control signal is output through the output module of the PLC to directly or indirectly drive the solenoid valve 6 to achieve automated opening and closing control of the valve.

[0029] Specifically, in some embodiments of this utility model, the weighing device is an electronic scale 7 with a sensor. In this utility model, by using the electronic scale 7 with a sensor, the weighing signal can be transmitted to the PLC, and the opening and closing of the solenoid valve can be controlled by the PLC's preset interlocking control.

[0030] Specifically, in some embodiments of this invention, the exhaust gas treatment unit is a multi-stage filter 8. In this invention, the multi-stage filter 8 can effectively adsorb and purify aerosols dispersed in the area during the unloading process, thereby purifying the exhaust gas.

[0031] Specifically, in some embodiments of this utility model, the sealing unit is a robotic arm 9. In this utility model, the robotic arm 9 automatically seals the material barrel.

[0032] In use, the empty barrel is hoisted onto the transfer trolley 4 by the electric hoist 3. The trolley 4 travels along a preset transport path to the lower part of the intermediate silo 1. According to the preset program, when the trolley 4 reaches the bottom of the unloading pipe 2, the solenoid valve 6 is opened to start the unloading operation. When the weight of the barrel reaches the set value, the electronic scale 7 with a sensor transmits the weighing signal to the PLC. The solenoid valve 6 is closed by the preset interlock control of the PLC. After the unloading operation is completed, the unloading chamber must be kept under a certain slight negative pressure environment. The exhaust gas generated is purified by the multi-stage filter 8 before being discharged. The trolley 4 travels along the preset transport path to the sealing position, and the robotic arm 9 completes the automatic sealing. After the sealing is completed, the trolley 4 travels along the preset transport path to the barrel temporary storage area. The electric hoist 3 moves the barrel to the temporary storage area or the next process, realizing the non-stop continuous unloading of radioactive solid materials.

[0033] The present invention has been further described above with reference to specific embodiments. However, it should be understood that the specific description herein should not be construed as limiting the nature and scope of the present invention. Various modifications made to the above embodiments by those skilled in the art after reading this specification are all within the scope of protection of the present invention.

Claims

1. A discharge device for the continuous production of radioactive solid material, characterized in that: It comprises a transfer unit, a material buffer unit, a tail gas treatment unit and a capping unit; the material buffer unit is connected with the capping unit through the transfer unit, and the tail gas treatment unit is arranged between the material buffer unit and the capping unit; The transfer unit comprises a lifting assembly and a transfer assembly. The material buffer unit comprises an intermediate bin, a discharge pipe is fixedly connected to the lower end of the intermediate bin, a discharge valve is arranged on the discharge pipe, and a weighing device is arranged directly below the discharge pipe.

2. A discharge device for the continuous production of radioactive solid materials according to claim 1, characterized in that: The lifting assembly is an electric hoist or a travelling crane, and the transfer assembly is a transfer trolley.

3. A continuous production of radioactive solid material unloading device according to claim 1, characterized in that: The intermediate bin has a conical structure.

4. A continuous production of radioactive solid material unloading device according to claim 1, characterized in that: A vibrator or an air hammer is arranged outside the intermediate bin.

5. A continuous production of radioactive solid material unloading device according to claim 1, characterized in that: The discharge valve is an electromagnetic valve or a pneumatic valve, which is controlled through a PLC or a system preset interlocking instruction.

6. A continuous production of radioactive solid material unloading device according to claim 1, characterized in that: The weighing device is an electronic scale with a sensor, which can transmit a weighing signal to the PLC, and the opening and closing of the discharge valve are controlled through the interlocking control of the PLC.

7. A continuous production of radioactive solid material unloading device according to claim 1, characterized in that: The tail gas treatment unit is a multi-stage filter.

8. A continuous production of radioactive solid material unloading device according to claim 1, characterized in that: The capping unit is a mechanical arm or a hydraulic capping machine.

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