Decontamination box of long workpieces

A technology of long workpieces and workpiece racks, which is applied in the field of long workpiece decontamination boxes, can solve the problems of poor decontamination effect and narrow application range, and achieve the effects of improving decontamination ability and speed, strong adaptability, and improving safety performance

Inactive Publication Date: 2010-06-16
CHINA NUCLEAR POWER ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current decontamination tank mainly uses chemical soaking method for decontamination, and the decontamination effect is poor; only one type of pollution equipment or parts can be carried out at a time; it can only be used for cleaning exclusive equipment, and the use range is narrow and other shortcomings

Method used

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  • Decontamination box of long workpieces
  • Decontamination box of long workpieces
  • Decontamination box of long workpieces

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Embodiment Construction

[0020] Such as figure 1 As shown, the box body 6 of the long workpiece decontamination box of the present invention is divided into three independent working sections by two detachable partitions 9, and a pair of heating tubes 1 in the shape of an s are arranged at the bottom of each working section. , a workpiece frame 4 is arranged above the heating tube, there is a certain distance between the workpiece frame 4 and the heating tube 1, and six and seven ultrasonic vibration boxes 8 are respectively set on both sides of the box body 6, and each working area is There is an independent box cover 5, and a ventilation hole 7 is opened on the box cover 5, and a ventilation interlocking device 12 is arranged on the outside of the box body 6, which is connected with the switch cover device 10 through a connecting rod 11, and the box in each working area The outside of the body 6 is also provided with a liquid inlet pipe 2 and an air inlet valve 3 .

[0021] Such as figure 2 with ...

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Abstract

The invention discloses a decontamination box of long workpieces for cleaning contaminated nuclear devices. The decontamination box consists of a box body, two clapboards, 39 ultrasonic vibration boxes, a box cover automatic opening and closing system, a ventilation system and the like. Because the decontamination box is provided with two clapboards to divide the decontamination box into mutually independent cleaning units, three cleaning units are not mutually interfered and does not cause the cross contamination when cleaning small components in different types; because each working unit is provided with 13 ultrasonic vibration boxes to form a special cleaning manner combining the chemical decontamination with the mechanical contamination, the cleaning effect is good; and the box cover automatic opening and closing system and the ventilation system of the decontamination box ensure that radioactive gas escape does not happen in the cleaning process, thereby improving the safety performance.

Description

technical field [0001] The invention relates to a decontamination box, in particular to a long workpiece decontamination box used for treating radioactive contamination equipment. Background technique [0002] Some radioactively contaminated equipment and components in nuclear power plants need to be decontaminated before maintenance or storage. The radioactively contaminated equipment and parts that need to be repaired and stored are sealed and packaged, and transported to the radioactive machine repair workshop and the decontamination workshop of the warehouse for decontamination treatment. According to the type and degree of contamination of equipment and components, as well as the materials and dimensions of equipment and components, the decontamination methods used are also different. Chemical decontamination and mechanical decontamination can be used. The decontaminated equipment and components shall be repaired, inspected, assembled and transported after the surface ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B3/12B08B13/00G21F9/28
Inventor 刘天斌金青周洪琦吴明
Owner CHINA NUCLEAR POWER ENG CO LTD
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