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Microwave heating treatment system for high-radioactivity nuclear industry waste

A microwave heating and high radioactivity technology, which is applied in the field of microwave heating treatment system of high radioactive nuclear industrial waste, can solve the problems of increasing nuclear radiation risk, affecting process efficiency, pipeline blockage, etc., and achieves good radiation protection effect, simple motion relationship, and improved The effect of service life

Pending Publication Date: 2018-06-22
四川固力铁环保工程有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is: in order to solve the problem that the existing microwave heating device for high-level waste liquid transports high-level waste liquid through pipelines, but because high-level waste liquid usually contains more solid waste, it is easy to have pipelines during the transportation process. The phenomenon of clogging will affect the process efficiency and increase the risk of nuclear radiation. The present invention provides a microwave heating treatment system for high-radioactive nuclear industrial waste, which transports high-level waste liquid in barrels and microwaves the high-level waste liquid. Heating, simplifying processes and piping, thereby increasing efficiency and reducing the risk of radiation exposure to operators

Method used

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  • Microwave heating treatment system for high-radioactivity nuclear industry waste
  • Microwave heating treatment system for high-radioactivity nuclear industry waste
  • Microwave heating treatment system for high-radioactivity nuclear industry waste

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Experimental program
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Effect test

Embodiment 1

[0051] A microwave heating treatment system for high radioactive nuclear industrial waste, its structure is as follows Figure 1 to Figure 3 As shown, it includes a sealed box 1 and a control system. The top of the sealed box 1 is provided with a microwave heating hole 2 and an exhaust hole for discharging water vapor. A lifting device 9 is arranged below the microwave heating hole 2. A sealed door 10 is provided, and the inside of the sealed box 1 is provided with a transmission device I8 for sending the barrel 6 containing high-level waste liquid to or from the lifting device 9, and the outside of the sealed box 1 is equipped with a transmission device II11, and a transmission device I8 The height matches with the transmission device II11 and is located on both sides of the airtight door 10 respectively. The control system includes a touch screen and a PLC controller electrically connected to the touch screen. The PLC controller is connected to the transmission device I, the ...

Embodiment 2

[0054] On the basis of Embodiment 1, the transmission device I8 and the transmission device II11 are roller conveyors, the PLC controller is electrically connected to a frequency converter, and the frequency converter is connected to the motors of the transmission device I and the transmission device II respectively, and the motor is connected with a set A pair of limit switches are respectively provided on the gear set, the transmission device I8 and the transmission device II11, and the transmission device I8 is provided with a tray 12 for carrying the bucket 6 containing the high-level waste liquid and moving between the transmission device I8 and the transmission device II11 , the tray 12 has a structure such as Figure 5 As shown, it includes a tray main body 1201. On both sides of the tray main body 1201, there are at least a pair of rotating assemblies 1202 that can roll relative to the side walls of the conveyor I8 and conveyor II11. The upper surface of the tray body 1...

Embodiment 3

[0058] On the basis of Embodiment 1, the structure of the airtight door 10 is as follows: Figure 7 with Figure 8 As shown, it includes a large door panel 1006 and a small door panel 1002. The edge of the large door panel 1006 is provided with a plurality of screw holes, and the screw holes are used to fix the large door panel on the door frame 10010. The door frame 10010 is fixedly installed on the box body 1 that needs to be sealed. A sealing strip is provided between the sealed box body 1 to enhance the sealing performance, and a linear sliding mechanism I1005 parallel to the length direction of the door panel 1006 is provided on the sides of the door panel 1006, and the chute of the linear sliding mechanism I1005 passes through the screw Be fixed on the door plate 1006.

[0059] A plurality of pressing mechanisms 1001 for pressing the small door panel 1002 on the large door panel 1006 are fixedly connected to the slider of the linear sliding mechanism I1005 by screws. Th...

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Abstract

The invention discloses a microwave heating treatment system for high-radioactivity nuclear industry waste, and relates to the technical field of treatment of the high-radioactivity nuclear industry waste. The microwave heating treatment system comprises a sealing box and a control system. A microwave heating hole is formed in the top of the sealing box. A lifting device is arranged below the microwave heating hole. A sealing door is arranged on the sealing box. A first conveyor for feeding or taking a barrel containing high-radioactivity waste liquid to or away from the lifting device is arranged in the sealing box. A second conveyor is arranged on the outer portion of the sealing box. The control system comprises a touch screen and a PLC (programmable logic controller) electrically connected with the touch screen. The PLC is connected with the first conveyor, the second conveyor, the microwave heating hole and the lifting device electrically. The microwave heating treatment system has the advantages that automatic delivering, sealing, and microwave heating and evaporating of the barreled high-radioactivity waste liquid are realized, the whole process does not need manual on-siteoperations, and no high-radioactivity waste liquid exists on an equipment maintenance site, so that working efficiency is improved, and the risk that operators are radiated is reduced.

Description

technical field [0001] The invention relates to the technical field of high radioactive nuclear industrial waste treatment, and more specifically relates to a microwave heating treatment system for high radioactive nuclear industrial waste. Background technique [0002] The solidification of radioactive waste is to transform gaseous, liquid or solid waste into a monolithic solidified body whose performance indicators meet the disposal requirements. Its purpose is to form an object suitable for handling, transportation and temporary storage that meets the disposal requirements. For high-level waste liquid, before solidification, it is usually necessary to reduce the amount of liquid in the waste liquid, so as to facilitate later transportation, storage and process development. The existing method of reducing the amount of high-level waste liquid is heating and evaporating. Among them, the method of microwave heating and evaporating has simple process, low cost and good evapor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21F9/08G21F9/20G21F5/002G21F5/12G21F5/14
CPCG21F5/002G21F5/12G21F5/14G21F9/08G21F9/20
Inventor 黄小杰罗勇叶勇
Owner 四川固力铁环保工程有限责任公司
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