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Robot for recycling slurry at bottom of radioactive waste liquid storage tank

A radioactive waste liquid and robot technology, which is applied in radioactive purification, nuclear engineering, etc., can solve problems such as the inability to control the particle size of mud crushing, incomplete cleaning of sludge, and damage to diaphragm pumps, etc., to achieve convenient cleaning and decontamination and Effect of cleaning treatment, avoiding unsafe problems, and preventing particle deposition

Pending Publication Date: 2022-06-24
中核环保工程设计研究有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] 2) The particle size control of mud crushing cannot be uniform, and the mud cleaning is not thorough
[0008] When the diaphragm pump is used for suction, large particle size particles will cause damage to the diaphragm pump, so a filter needs to be installed at the suction port of the diaphragm pump, which also results in incomplete cleaning of sludge

Method used

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  • Robot for recycling slurry at bottom of radioactive waste liquid storage tank
  • Robot for recycling slurry at bottom of radioactive waste liquid storage tank
  • Robot for recycling slurry at bottom of radioactive waste liquid storage tank

Examples

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Embodiment Construction

[0057] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0058] like figure 1 The shown robot for recovering mud from the bottom of a radioactive waste liquid storage tank includes a cutting nozzle 1, a cleaning nozzle 2, a spiral cutting drum 3, a cleaning rotary brush 4, a suction bucket 5, a liquid collection box 6, a double crawler trolley 7, Head support 8.

[0059] like Figures 2 to 4 As shown, the double-tracked trolley 7 is a moving platform of the robot, which is composed of a trolley support 7-2, a crawler 7-1 arranged outside the trolley support 7-2, and a power system 7-3. The power system 7-3 is driven by a hydraulic motor, which can realize the forward, backward and turning actions of the robot.

[0060] The head support 8 includes a lift arm 8-1, a hydraulic cylinder 8-2, a roller side baffle 8-3 and a roller 8-4. Two drum side baffles 8-3 are respectively provided on both...

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Abstract

The invention relates to the technical field of nuclear facility decommissioning treatment, and particularly discloses a radioactive waste liquid storage tank bottom slurry recycling robot which can ensure that the bottom of a radioactive waste liquid storage tank is cleaned up through hydraulic cleaning, rotary brush sweeping and vacuum suction. And meanwhile, the high-pressure cleaning nozzle is added for cleaning the tank wall, so that the tank wall and the tank bottom can be cleaned by the same equipment. According to the robot, three-stage treatment is adopted for slurry slag crushing, it can be ensured that the maximum particle size is smaller than 5 mm, the effectiveness of vacuum conveying is guaranteed, meanwhile, particle deposition can be prevented, the amount of mixed dilution water is saved, and the follow-up treatment cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of decommissioning and treatment of nuclear facilities, and in particular relates to a mud recovery robot at the bottom of a radioactive waste liquid storage tank. Background technique [0002] The final disposal method of radioactive waste liquid is concentration and volume reduction followed by cement solidification or glass solidification. Radioactive waste liquid is generally temporarily stored in steel storage tanks. Due to radioactive volume reduction, the waste liquid has the characteristics of high concentration of radioactive elements, high salt content, and crystal precipitation. When solving the disposal of radioactive waste liquid and the decommissioning treatment of waste liquid storage tanks, we are faced with the problem of recovering the mud or sludge at the bottom of the storage tank. There are some organic substances, so they have the characteristics of high radioactivity, certain viscosit...

Claims

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Application Information

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IPC IPC(8): G21F9/20G21F9/06G21F9/30G21F9/34G21F9/00
CPCG21F9/001G21F9/008G21F9/20G21F9/06G21F9/34G21F9/30
Inventor 李建军邓国清张森永谢国森梁禹陈碧华谢亚翠王智鹏周文波
Owner 中核环保工程设计研究有限公司
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