CN108971142A - The method of laser cleaning body surface pollution layer - Google Patents
The method of laser cleaning body surface pollution layer Download PDFInfo
- Publication number
- CN108971142A CN108971142A CN201810781860.1A CN201810781860A CN108971142A CN 108971142 A CN108971142 A CN 108971142A CN 201810781860 A CN201810781860 A CN 201810781860A CN 108971142 A CN108971142 A CN 108971142A
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- China
- Prior art keywords
- cleaned
- body surface
- laser cleaning
- laser
- pollutant
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Abstract
The method of the present invention is related to a kind of method of laser cleaning body surface pollution layer, includes the following steps: the pollutant that can be detached from easily described in the pollutant that can be detached from easily for removing body surface to be cleaned and collection；Laser cleaning system is provided, the object to be cleaned is placed in the laser cleaning system, and determines the Polluted area of the object to be cleaned；It sets laser cleaning system parameter and laser scanning and irradiation is carried out to clean the object to be cleaned to the Polluted area；The residual contaminants on the object to be cleaned after removal cleaning, and the pollutant is collected.The method of the present invention is using laser scanning and irradiation pollutant, so that pollutant heating expands, so that generating thermal stress causes the sur-face peeling of pollutant Yu object to be cleaned, to reach cleaning purpose；The method of the present invention step is simple, easy to operate.
Description
Technical field
The present invention relates to a kind of methods of laser cleaning body surface pollution layer, belong to reparation and the cleaning neck of Ceramic Cultural Relics
Domain.
Background technique
Unearthed ceramic implement, by the long-term erosion of the various substances of different degrees of nature, is formed due to the passage of time
Various types of pollution layers.Ceramic implement is embedded in underground for a long time, in a humidity environment, surface will form one layer it is white heavy
Product object, is commonly called as scale, main component is the salts substances such as calcium carbonate, magnesium carbonate；Some are attached to the soil on ceramic implement surface
It is influenced by temperature, humidity etc., can become hard hardened, formed soil rust and attach to ceramic surface.These are all to need to clean removal
's.
Cleaning is to carry out the first step of Ceramic Cultural Relics reparation, and the purpose is to will be repaired the various mud of implements surface portion
Soil, magazine and dirt removal are clean, so that Ceramic Cultural Relics is exposed true colours, provide condition for the reparation of later process.Ceramic text
There are many cleaning method of object, are summed up, and common basic skills mainly has mechanical cleaning process and chemical cleaning method.(1) mechanical
Ablution: it is to use scrub-brush or the tools such as thin copper brush or knife cone, bamboo stick, dry brush is carried out to implements surface, overlayed on thereon with removal
Soil and impurity.(2) rust alkali, oxide contaminant, the oil on Ceramic Cultural Relics surface chemical cleaning method: are removed using chemical agent
The method of stain and various impurity etc..Common chemical agent have hydrochloric acid solution, formic acid solution, potassium permanganate, hydrogen peroxide with
And ethyl alcohol, ether and acetone and other organic solvent.
But there is disadvantage in traditional cleaning method: (1) there is the Mechanical Contact of cleaning implements and ceramics, there is damage
The risk of ceramics；(2) auxiliary for needing chemical reagent, for some ceramics, this method is simultaneously not suitable for, and exists simultaneously pollution ring
Border, the risk for injuring scavenger author；(3) the small lines in part or complicated position are difficult to clean；(4) cleaning efficiency
It is relatively low.
Summary of the invention
The purpose of the present invention is to provide one kind to solve the above problems, operating cost is low, cleaning efficiency is high and to be cleaned
The method that object not will cause the laser cleaning body surface pollution layer of damage.
In order to achieve the above objectives, the invention provides the following technical scheme: a kind of side of laser cleaning body surface pollution layer
Method, described method includes following steps:
Remove the pollutant that can be detached from easily described in the pollutant that can be detached from easily of body surface to be cleaned and collection；
Laser cleaning system is provided, the object to be cleaned is placed in the laser cleaning system, and determine it is described to
The Polluted area of cleaning of objects；
Setting laser cleaning system parameter simultaneously carries out laser scanning to the Polluted area and irradiates described to clear to clean
Washing body；
The residual contaminants on the object to be cleaned after removal cleaning, and the pollutant is collected.
Further, the parameter includes irradiation angle and wavelength, and the irradiation angle is 30 ° -90 °, and the wavelength is
532nm-100600nm。
Further, the parameter includes spot diameter, and the spot diameter range is 0.25~2mm.
Further, the parameter includes output laser power, and the output laser power range is 20~400W.
Further, the parameter includes repetition, and the repetition range is 1~1000kHz.
Further, the parameter includes pulsewidth, and the pulse duration range is 10~380ns.
Further, the parameter area includes scanning speed, and the scanning speed is 20~4000mm/s.
Further, the parameter includes stepping spacing, and the stepping spacing range is 0.010~1mm.
Further, the parameter includes scanning times, and the scanning times range is 1~10 time.
Further, described " residual contaminants on the object to be cleaned after removal cleaning, and to the pollutant
It is collected " specifically:
After the object cleaning to be cleaned, removes and remain but be not adhered to described to be cleaned on the body surface to be cleaned
The pollutant of object, and by the contaminant collecting.
The beneficial effects of the present invention are: the pollutant that can be detached from easily using laser scanning and irradiation, so that pollutant
Heating expansion or ablation, so that generating thermal stress or thermal vibration causes the sur-face peeling of pollutant and object to be cleaned or falls off,
To reach cleaning purpose；By removing the pollutant that can be detached from easily of body surface to be cleaned, cleaned to reduce
The thermal stress between cleaning of objects and pollution layer or the influence of thermal vibration are treated in journey.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the flow chart of the method for laser cleaning body surface pollution layer of the invention.
Fig. 2 is that the structure of laser cleaning system used by the method for laser cleaning body surface pollution layer of the invention is shown
It is intended to.
Fig. 3 is the result schematic diagram of the embodiment of the present invention 1 and embodiment 2.
Fig. 4 is the result schematic diagram of the embodiment of the present invention 3.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Referring to Figure 1, the method for laser cleaning body surface pollution layer of the invention, described method includes following steps:
Remove the pollutant that can be detached from easily on 5 surface of object to be cleaned, and the pollutant that can be detached from easily described in collection；
By removing the pollutant that can be detached from easily on 5 surface of object to be cleaned in advance, thus after increasing laser irradiation removing or
The power such as the power that cleaning force, thermal stress and thermal vibration between 5 surface contamination layer of cleaning of objects that falls off generate.Then by the particle
Object is collected, to prevent from polluting the environment.
Laser cleaning system is provided, the object 5 to be cleaned is placed in the laser cleaning system, and determine it is described to
The Polluted area of cleaning of objects 5；
Setting laser cleaning system parameter simultaneously carries out laser scanning to the Polluted area and irradiates described to clear to clean
Washing body 5；
The residual contaminants on the object 5 to be cleaned after removal cleaning, and the pollutant is collected.Its
In, the pollutant is not adhered on the object to be cleaned 5, i.e., the step detailed process is that the object 5 to be cleaned cleans
Afterwards, the pollutant for remaining but being not adhered to the object to be cleaned 5 on 5 surface of object to be cleaned is removed, and by the dirt
Object is contaminated to collect.The pollutant is collected, to prevent from polluting the environment.
Fig. 2 is referred to, above-mentioned laser cleaning system includes laser beam emitting device 1, setting and the laser beam emitting device
Preceding beam shaping device 5, setting and the first reflecting mirror 2, setting and first reflecting mirror before the laser beam emitting device 1
Second reflecting mirror 3 of 2 sides and the field flattening lens 4 being arranged in below second reflecting mirror 3, first reflecting mirror 2 is by
The control of one motor 21, second reflecting mirror 3 are controlled by the second motor 31.The object to be cleaned of surface particles object will be removed
It is placed in the underface of the field flattening lens 4, then starts the laser cleaning system and is cleaned.It is described in other scenes
First reflecting mirror 2 and the second reflecting mirror 3 can also be other elements with reflection function, and the field flattening lens 4 can also be other
Element with focusing capability, the first motor 21 and the second motor 31 can also can control ohject displacement or rotation for other
Element, depending on actual scene, it is not limited here.The parameter of laser cleaning system is set, and the parameter includes hot spot
Diameter, the spot diameter range are 0.25~2mm；Laser power is exported, the output laser power range is 20~400W；
Repetition, the repetition range are 1~1000kHz；Pulsewidth, the pulse duration range are 10~380ns；Scanning speed, the scanning
Speed is 20~4000mm/s；Stepping spacing, the stepping spacing range are 0.010~1mm；Scanning times, the scanning time
Number range is 1~10 time.Really, above parameter range can be formulated according to practical application scene, herein with no restrictions.
It is carried out below by method of two embodiments to laser cleaning body surface pollution layer of the invention more detailed
Description, in the following embodiments, the object 5 to be cleaned are ceramics.
Embodiment 1:
Clean the native rusty scale of the ceramic surface.The ceramics are placed in the laser with a thickness of 150 μm by the soil rusty scale
In cleaning system, setup parameter: spot diameter 1.2mm, output laser power are 90W, wavelength 1064nm, and repetition is
100kHz, pulsewidth 240ns, scanning speed 480mm/s, stepping spacing are 0.281mm, and scanning times are 1 time.
Embodiment 2:
Clean the scale crust of the ceramic surface.The scale crust is placed in the laser with a thickness of 150 μm, by the ceramics
In cleaning system, setup parameter: spot diameter 1.2mm, output laser power are 45W, wavelength 1064nm, and repetition is
200kHz, pulsewidth 130ns, scanning speed 200mm/s, stepping spacing are 0.281mm, and scanning times are 1 time.
Refer to Fig. 3, for the result of embodiment 1 and embodiment 2 as shown, after laser irradiation, surface residue can
It is removed under small-power suction ventilator.
Embodiment 3:
Unlike above-described embodiment 1 and embodiment 2, current laser does not irradiate all contaminants, only irradiates pollutant
Two sides, as a result as shown in Figure 4.From the graph, it is apparent that the peeling-off and non-irradiated area of irradiation zone is without obviously existing
As.
In summary: using laser scanning and irradiation pollutant so that pollutant heating expansion, thus generate thermal stress or
Other effects after thermal vibration and irradiation cause the sur-face peeling of pollutant Yu object 5 to be cleaned, to reach cleaning purpose；It is logical
The particulate matter for removing 5 surface of object to be cleaned is crossed, is treated between cleaning of objects 5 and pollution layer in the process of cleaning to reduce
The influence of thermal stress.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of method of laser cleaning body surface pollution layer, which is characterized in that described method includes following steps:
Remove the pollutant that can be detached from easily described in the pollutant that can be detached from easily of body surface to be cleaned and collection；
Laser cleaning system is provided, the object to be cleaned is placed in the laser cleaning system, and determination is described to be cleaned
The Polluted area of object；
It sets laser cleaning system parameter and laser scanning and irradiation is carried out to clean the object to be cleaned to the Polluted area
Body；
The residual contaminants on the object to be cleaned after removal cleaning, and the pollutant is collected.
2. the method for laser cleaning body surface pollution layer as described in claim 1, which is characterized in that the parameter includes spoke
Irradiation angle and wavelength, the irradiation angle are 30 ° -90 °, and the wavelength is 532nm-10600nm.
3. the method for laser cleaning body surface pollution layer as described in claim 1, which is characterized in that the parameter includes light
Spot diameter, the spot diameter range are 0.25~2mm.
4. the method for laser cleaning body surface pollution layer as described in claim 1, which is characterized in that the parameter includes defeated
Laser power out, the output laser power range are 20~400W.
5. the method for laser cleaning body surface pollution layer as described in claim 1, which is characterized in that the parameter includes weight
Frequently, the repetition range is 1~1000kHz.
6. the method for laser cleaning body surface pollution layer as described in claim 1, which is characterized in that the parameter includes arteries and veins
Width, the pulse duration range are 10~380ns.
7. the method for laser cleaning body surface pollution layer as described in claim 1, which is characterized in that the parameter area packet
Scanning speed is included, the scanning speed is 20~4000mm/s.
8. the method for laser cleaning body surface pollution layer as described in claim 1, which is characterized in that the parameter includes step
Into spacing, the stepping spacing range is 0.010~1mm.
9. the method for laser cleaning body surface pollution layer as described in claim 1, which is characterized in that the parameter includes sweeping
Number is retouched, the scanning times range is 1~10 time.
10. the method for laser cleaning body surface pollution layer as described in claim 1, which is characterized in that " the removal cleaning
The residual contaminants on the object to be cleaned afterwards, and the pollutant is collected " specifically:
After the object cleaning to be cleaned, removes and remained on the body surface to be cleaned but be not adhered to the object to be cleaned
Pollutant, and by the contaminant collecting.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810781860.1A CN108971142A (en) | 2018-07-17 | 2018-07-17 | The method of laser cleaning body surface pollution layer |
| PCT/CN2019/080046 WO2020015380A1 (en) | 2018-07-17 | 2019-03-28 | Method for laser cleaning of contaminated layer on surface of object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810781860.1A CN108971142A (en) | 2018-07-17 | 2018-07-17 | The method of laser cleaning body surface pollution layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108971142A true CN108971142A (en) | 2018-12-11 |
Family
ID=64549769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810781860.1A Pending CN108971142A (en) | 2018-07-17 | 2018-07-17 | The method of laser cleaning body surface pollution layer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108971142A (en) |
| WO (1) | WO2020015380A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020015380A1 (en) * | 2018-07-17 | 2020-01-23 | 苏州大学 | Method for laser cleaning of contaminated layer on surface of object |
| CN111979886A (en) * | 2020-08-14 | 2020-11-24 | 金顿激光科技(佛山)有限公司 | Cleaning device and method for road traffic marking |
| CN112452947A (en) * | 2020-10-21 | 2021-03-09 | 厦门理工学院 | Intelligent cleaning method |
| CN115430663A (en) * | 2022-08-17 | 2022-12-06 | 成都飞机工业（集团）有限责任公司 | Electron beam metal surface cleaning method |
| CN117505407A (en) * | 2024-01-05 | 2024-02-06 | 国能龙源环保有限公司 | Method for removing organic matters in waste salt by utilizing laser |
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| KR101437384B1 (en) * | 2013-01-31 | 2014-09-15 | 대한민국 | The method for removing lacquer and soot of lacquer gilding surface by Nd:YAG Laser |
| CN108971142A (en) * | 2018-07-17 | 2018-12-11 | 苏州大学 | The method of laser cleaning body surface pollution layer |
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2018
- 2018-07-17 CN CN201810781860.1A patent/CN108971142A/en active Pending
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2019
- 2019-03-28 WO PCT/CN2019/080046 patent/WO2020015380A1/en active Application Filing
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| US20060108330A1 (en) * | 2004-11-24 | 2006-05-25 | Imt Co., Ltd. | Apparatus for dry-surface cleaning using a laser |
| CN101143364A (en) * | 2007-10-08 | 2008-03-19 | 南开大学 | Ultrasonic detection narrow pulsewidth laser sludge remover and its sludge removing method |
| CN103817113A (en) * | 2014-03-14 | 2014-05-28 | 华中科技大学 | Metallic surface dirt laser cleaning system and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020015380A1 (en) * | 2018-07-17 | 2020-01-23 | 苏州大学 | Method for laser cleaning of contaminated layer on surface of object |
| CN111979886A (en) * | 2020-08-14 | 2020-11-24 | 金顿激光科技(佛山)有限公司 | Cleaning device and method for road traffic marking |
| CN112452947A (en) * | 2020-10-21 | 2021-03-09 | 厦门理工学院 | Intelligent cleaning method |
| CN112452947B (en) * | 2020-10-21 | 2022-05-10 | 厦门理工学院 | Intelligent cleaning method |
| CN115430663A (en) * | 2022-08-17 | 2022-12-06 | 成都飞机工业（集团）有限责任公司 | Electron beam metal surface cleaning method |
| CN117505407A (en) * | 2024-01-05 | 2024-02-06 | 国能龙源环保有限公司 | Method for removing organic matters in waste salt by utilizing laser |
| CN117505407B (en) * | 2024-01-05 | 2024-04-19 | 国能龙源环保有限公司 | Method for removing organic matters in waste salt by utilizing laser |
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| Publication number | Publication date |
|---|---|
| WO2020015380A1 (en) | 2020-01-23 |
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