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Ultrasonic vibration brush cleaning method for stone cultural relics

A technology of stone cultural relics and ultrasonic waves, applied in the direction of cleaning methods using liquids, cleaning methods using tools, cleaning methods and utensils, etc., can solve problems such as inability to clean, achieve short cleaning time, increase cleaning speed, and improve cleaning efficiency Effect

Inactive Publication Date: 2017-06-30
BEIJING UNIV OF CHEM TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention uses a new type of portable ultrasonic vibration brush, which overcomes the defect that the ultrasonic cleaning machine cannot clean the surface of immovable stone cultural relics outdoors

Method used

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  • Ultrasonic vibration brush cleaning method for stone cultural relics
  • Ultrasonic vibration brush cleaning method for stone cultural relics
  • Ultrasonic vibration brush cleaning method for stone cultural relics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Preparation of simulated gypsum crust samples: first wash fresh blue-white stone samples (size 100mm×50mm×10mm) with distilled water, and then dry them in an oven at a temperature of 105°C for 24 hours. Mix gypsum powder and deionized water 1:3 (m:m) evenly (gypsum powder has a fast curing speed, and it is ready to use). Refer to JC / T 973-2005 (natural stone protective agent for architectural decoration) Brush evenly three times, and dry naturally at room temperature for 7 days.

[0021] Based on the chromaticity value of fresh blue and white stone, measure the chromaticity value of the sample in the cleaning area before and after cleaning. Calculate the change of color difference before and after plaster coating, the change of color difference before and after cleaning, and the change of color difference between cleaning and fresh samples. Record photos of the cleaning process.

[0022] Prepare 5% EDTA disodium salt solution at room temperature, use an ultrasonic vib...

Embodiment 2

[0027] Ink-stained sample: first wash the fresh blue-white stone sample (size 100mm×50mm×10mm) with distilled water, and then dry it in an oven at a temperature of 105°C for 24 hours. Use a marker pen to write "1" on the surface of the two samples.

[0028] Use Anyty V500IR / UV portable digital microscope to observe the surface microscopic morphology of simulated ink stain samples before and after cleaning. Record photos of the cleaning process.

[0029] Dip an appropriate amount of acetone (analytical pure) solvent with an ultrasonic vibrating brush, place it on the surface of the sample to be cleaned, turn on the switch, and vibrate evenly in the cleaning area for 2 minutes, then gently spray the surface with a small deionized water spray can to wash off the residual solvent on the surface , to observe the cleaning effect.

[0030] Depend on image 3 It can be observed that after cleaning with an ultrasonic vibrating brush + acetone, almost no ink marks on the sample can b...

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Abstract

The invention discloses an ultrasonic vibration brush cleaning method for stone cultural relics, and belongs to the technical field of cleaning of the stone cultural relics. According to the ultrasonic vibration brush cleaning method, an ultrasonic vibration brush and a chemical cleaning agent are adopted, so that a physical cleaning method and a chemical cleaning method are combined. The specific cleaning operation comprises the following steps: dipping the ultrasonic vibration brush with a proper amount of the chemical cleaning agent, carrying out uniform vibrating and cleaning for several minutes on the surfaces of stone and the stone cultural relics or on the corrosion regions on the surfaces, and spraying and washing the cleaning the regions by using spray mist containing deionized water to remove the residual solvent.

Description

technical field [0001] The invention belongs to the technical field of cleaning stone cultural relics, in particular to an ultrasonic vibration brush cleaning method for stone cultural relics. [0002] technical background [0003] The Stone Age is the first era of human history and civilization. The historical process of human utilization and mining of rocks is almost in sync with the development of human beings. Because of its good weather resistance, rock materials are widely used in buildings, structures and artworks, such as stone towers, grottoes, steles, etc. These different forms of stone cultural relics have precious historical, scientific and artistic value, and are a valuable historical heritage. However, in recent years, air pollution problems such as acid rain and smog have led to the formation of gray-black gypsum crusts on the surface of cultural relics, moss, mold and other organisms parasitic on the surface of cultural relics, and man-made pollution such as ...

Claims

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Application Information

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IPC IPC(8): B08B1/00B08B3/02B08B3/08
CPCB08B3/02B08B3/08B08B1/12
Inventor 王菊琳赵丙倩张涛
Owner BEIJING UNIV OF CHEM TECH
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