CN108222532B - Method for cleaning rubble facade of historical building - Google Patents
Method for cleaning rubble facade of historical building Download PDFInfo
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- CN108222532B CN108222532B CN201711484008.XA CN201711484008A CN108222532B CN 108222532 B CN108222532 B CN 108222532B CN 201711484008 A CN201711484008 A CN 201711484008A CN 108222532 B CN108222532 B CN 108222532B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/002—Arrangements for cleaning building facades
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Abstract
The invention provides a method for cleaning the outer vertical surface of a brushite of a historical building, which comprises the following steps: s1, selecting the outer vertical surface of the brushite with a painting layer; s2, knocking the outermost brushing layer in the S1 and loosening the brushing layer; s3, washing the loosened brushing layer in the S2 by a spraying device; s4, judging whether the brushing layer at the outermost layer has the next brushing layer after being cleaned, if so, carrying out S5, and if not, finishing cleaning the outer vertical surface of the water brushing stone; s5, detecting the pH value of the next layer of the cleaned brushing layer; s6, adjusting the pH value in the S5 and enabling the pH value of the next layer of the painting layer to be neutral; and S7, repeating S2-S6 after the next brushing layer in the S6 is dried until all brushing layers are cleaned, and finishing cleaning the outer vertical surface of the brucite. The method for cleaning the outer vertical surface of the brushite of the historical building can enable the historical building to have better ornamental value.
Description
Technical Field
The invention belongs to the field of buildings, and relates to a method for cleaning the outer vertical surface of a brushite of a historical building.
Background
Some historical buildings use the brushite as an outer facade of the brushite, so that the buildings have certain aesthetic feeling and special style.
In the process of maintaining the historical building, the travertine facade is usually repaired, namely painted or sprayed in a stone-like manner, and the travertine facade of the historical building is covered by a plurality of painted layers after the repair times are more, so that the structure of the travertine facade can be repaired, but the ornamental value of the historical building is reduced.
Disclosure of Invention
The invention aims to provide a method for cleaning the outer vertical surface of a brushite of a historical building, aiming at solving the problem that the outer vertical surface of the brushite is covered with a plurality of brushing layers, so that the ornamental value of the historical building is reduced.
In order to solve the technical problem, the invention provides a method for cleaning the outer vertical surface of a brushite of a historical building, which comprises the following steps:
s1, selecting the outer vertical surface of the brushite with a painting layer;
s2, knocking the outermost brushing layer in the S1 and loosening the brushing layer;
s3, washing the loosened brushing layer in the S2 by a spraying device;
s4, judging whether the brushing layer at the outermost layer has the next brushing layer after being cleaned, if so, carrying out S5, and if not, finishing cleaning the outer vertical surface of the water brushing stone;
s5, detecting the pH value of the next layer of the cleaned brushing layer;
s6, adjusting the pH value in the S5 and enabling the pH value of the next layer of the painting layer to be neutral;
and S7, repeating S2-S6 after the next brushing layer in the S6 is dried until all brushing layers are cleaned, and finishing cleaning the outer vertical surface of the brucite.
The present invention is further configured such that, after the knocking is completed in S2, it is determined whether all the brushing layers are knocked to a loosened state, if so, S3 is performed, and if not, a steam device is used to perform steam heating treatment on a portion that cannot be loosened until the portion is loosened, and then S3 is performed.
The invention is further arranged in that after the part which cannot be knocked loose is subjected to steam heating treatment by adopting a steam device, the part of the plastering layer which cannot be knocked loose is cleaned in a manual cleaning mode.
The invention is further set that the manual cleaning adopts one or more of bamboo chips, steel sheets or iron wires.
The invention is further set to paint the paint removing paste on the part which can not be cleaned by hand, and remove the paint removing paste after the paint removing paste is painted for a set time, thereby removing the painting layer on the part which can not be cleaned by hand.
The invention is further arranged that after the paint removing paste is coated, one side of the paint removing paste, which is far away from the outer vertical surface of the brucite, is covered with the anti-penetration film, and the paint removing paste is completely covered on the outer vertical surface of the brucite by the anti-penetration film.
The invention is further set that the time for covering the paint-removing paste by the penetration-proof film is 8-12 h.
The present invention is further configured to determine whether there is rust on the whitewashing layer in S2, and if so, cover one of seaweed mud or white pulp at the place where there is rust for removing the rust.
The invention further provides that the water pressure of the flushing in the S3 is adjustable.
Compared with the prior art, the invention provides a method for cleaning the outer vertical surface of the brushite of the historical building, wherein the outermost whitewash layer is loosened by knocking, and then the whitewash layer loosened by knocking is removed from the outer vertical surface of the brushite by impact; when the painting layer positioned in the outermost layer is cleaned, the pH value of the painting layer is adjusted to be neutral, and then the painting layer is knocked and washed away, so that the condition that the pH value of the painting layer acts on the outer vertical surface of the brucite in the washing process and the outer vertical surface of the brucite is damaged is prevented, namely the outer vertical surface of the brucite is protected when the painting layer in the painting layer is removed, therefore, after a plurality of layers of painting layers are removed, the outer vertical surface of the brucite can be restored, the outer vertical surface of the brucite is protected, and the ornamental value of a historical building is guaranteed to the maximum extent; after the brushing layer is removed, even if a new brushing layer is brushed according to actual requirements, because the original brushing layers are cleaned up, the ornamental value of the historical building can be improved to a certain extent.
Drawings
Fig. 1 is a flow chart of a method for cleaning the exterior face of a brushite of a historic building according to one embodiment of the invention.
Detailed Description
The following provides a further detailed description of a method for cleaning the exterior face of the brushite of the historic building, which is provided by the invention, with reference to the attached drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. The same or similar reference numbers in the drawings identify the same or similar elements.
A method for cleaning the exterior facade of a brushite of a historic building, as shown in fig. 1, comprises the following steps:
s1, selecting the outer vertical surface of the brushite with a painting layer;
s2, knocking the outermost brushing layer in the S1 and loosening the brushing layer;
s3, washing the loosened brushing layer in the S2 by a spraying device;
s4, judging whether the brushing layer at the outermost layer has the next brushing layer after being cleaned, if so, carrying out S5, and if not, finishing cleaning the outer vertical surface of the water brushing stone;
s5, detecting the pH value of the next layer of the cleaned brushing layer;
s6, adjusting the pH value in the S5 and enabling the pH value of the next layer of the painting layer to be neutral;
and S7, repeating S2-S6 after the next brushing layer in the S6 is dried until all brushing layers are cleaned, and finishing cleaning the outer vertical surface of the brucite.
After the knocking is completed in S2, it is determined whether all the brushing layers are knocked to be in a loose state, if so, S3 is performed, and if not, a portion that cannot be loosened is subjected to steam heating treatment by using a steam device until the portion is loosened, and then S3 is performed. After the steam device is adopted to carry out steam heating treatment on the part which cannot be knocked and loosened, the plastering layer part which cannot be knocked and loosened is cleaned in a manual cleaning mode. The manual cleaning adopts one or more of bamboo chips, steel chips or iron wires, and the steel chips are preferably adopted in the embodiment.
And coating a paint removing paste on the part which cannot be cleaned by manual cleaning, and removing the paint removing paste after the paint removing paste is coated for a set time, so that the painting layer of the part which cannot be cleaned by manual cleaning is removed. After the paint removing paste is smeared, covering an anti-penetration film on one side of the paint removing paste, which is far away from the outer vertical surface of the brucite, and enabling the anti-penetration film to completely cover the paint removing paste on the outer vertical surface of the brucite, wherein the time for covering the paint removing paste by the anti-penetration film is 8-12 h, and the preferred time of the embodiment is 10 h.
And judging whether the brushing layer in the S2 has iron rust, and if so, covering one of seaweed mud or white pulp at the position with the iron rust for removing the iron rust, wherein the seaweed mud is preferably adopted in the embodiment.
The water pressure of the flushing in the S3 is adjustable, and the flushing is used for flushing different brushing layers.
In summary, according to the method for cleaning the outer vertical surface of the brushite of the historical building, when cleaning is performed, firstly, the outmost brushing layer is knocked by tools such as a hammer and the like, the outmost brushing layer is loosened, and the loosened brushing layer is washed by the spraying device after the loosening, wherein the spraying device can be a common water gun, and meanwhile, the spraying impact acting force of the water gun can be adjusted, so that the brushing layers with various heights and the brushing layers with various bonding firmness can be sprayed better. After the outermost brushing layer is washed, the pH value of the second brushing layer is detected, the pH value of the brushing layer is adjusted according to detected data, the pH value of the brushing layer is detected to be nearly neutral through pH test paper, then the brushing layer is waited to be dried, knocking is carried out for the second time, and washing is carried out after knocking is finished, so that all the brushing layers are cleaned up in the past, and the cleaning of the outer vertical face of the brucite is finished.
The method of using successive layer to get rid of can go on more easily, reduces the operation degree of difficulty, simultaneously because only need detach outmost whitewash the layer can, inside whitewash the layer can also carry out certain bearing and dispersion to outmost effort that whitewashes the layer to reduced the adverse effect that outside knocking tool produced the outer facade of scrubbing stone, the protective effect to the scrubbing stone outside is better. Meanwhile, the pH value of the brushing layer is adjusted to be neutral, so that even if the water body has certain brushing layer substances, the part of the water body can be well prevented from corroding or damaging the outer vertical surface of the brushite, and the protection effect on the outer vertical surface of the brushite is better.
When the bonding fastness of some brushing layers is too high, firstly, before washing, high-temperature steam generated by a steam device can act on the brushing layer of the part which is firmly bonded, the high-temperature steam not only can have higher temperature so as to be convenient for separating the brushing layers, but also liquefied liquid acts on the brushing layer after the high-temperature steam generated by the steam device is liquefied when meeting cold, and the brushing layer is soaked, so that the removal effect of the brushing layer is better; after the treatment of the steam device is finished, manually cleaning the firmly bonded part of the painting layer by adopting a steel sheet, thereby cleaning some firmly bonded painting layers; if some paint cannot be removed through manual cleaning, then coating paint removing paste on the painting layer, and after the paint removing paste is coated, coating an anti-penetration film on the outer vertical surface of the water brushing stone, wherein the anti-penetration film can be a common plastic film, sealing the paint removing paste on the outer vertical surface of the water brushing stone through the anti-penetration film, and keeping for 10 hours to ensure that the paint removing paste and the painting layer are fully acted; wherein the anti-penetrating film has prevented the external world to the effect that takes off the lacquer cream and produced for on the painting layer of taking off the lacquer cream can be better, like this through taking off the abundant effect between lacquer cream and the painting layer, separate the painting layer from the outer facade of water brush stone finally.
When the brushing layer has microorganisms (such as moss and mildew), the local brushing layer with the microorganisms is treated by low-toxicity environment-friendly medicaments such as bactericides. And applying one of seaweed mud or white paper pulp to the part needing to be cleaned by adopting a mud application method on the part with rust stains and which cannot be cleaned, wherein the seaweed mud is preferably adopted in the embodiment, and the part needing to be cleaned is subjected to adsorption and ion exchange cleaning. According to the degree of rust, the seaweed mud and water can be mixed according to the ratio of 1:1 or 1: 2 or 1: 3, mixing, or sealing and pasting the seaweed mud on the wall for 2-12 hours until rust and stain are removed, wherein continuous observation and non-excess are required in the time.
It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (9)
1. A method for cleaning the outer vertical surface of a brushite of a historical building is characterized by comprising the following steps:
s1, selecting the outer vertical surface of the brushite with a painting layer;
s2, knocking the outermost brushing layer in the S1 and loosening the brushing layer;
s3, washing the loosened brushing layer in the S2 by a spraying device;
s4, judging whether the brushing layer at the outermost layer has the next brushing layer after being cleaned, if so, carrying out S5, and if not, finishing cleaning the outer vertical surface of the water brushing stone;
s5, detecting the pH value of the next layer of the cleaned brushing layer;
s6, adjusting the pH value in the S5 and enabling the pH value of the next layer of the painting layer to be neutral;
and S7, repeating S2-S6 after the next brushing layer in the S6 is dried until all brushing layers are cleaned, and finishing cleaning the outer vertical surface of the brucite.
2. The method as claimed in claim 1, wherein after the knocking is completed in S2, it is determined whether all the plastering layers are knocked to be loosened, if so, S3 is performed, otherwise, a steam heating treatment is performed on the non-loosened portion by using a steam device until the portion is loosened, and then S3 is performed.
3. The method for cleaning the rubbing stone outer vertical surface of the historical building as claimed in claim 2, wherein the brushing layer part which cannot be knocked loose is cleaned manually after the part which cannot be knocked loose is subjected to steam heating treatment by using a steam device.
4. The method for cleaning the waterstone exterior vertical surface of the historical building as claimed in claim 3, wherein the manual cleaning adopts one or more of bamboo chips, steel chips or iron wires.
5. A method for cleaning the exterior face of the waterstone of historical buildings according to claim 3 or 4, characterized in that the parts which cannot be cleaned by hand are coated with the paint removing paste, and the paint removing paste is removed after the paint removing paste is coated for a set time, so that the painting layer of the parts which cannot be cleaned by hand is removed.
6. The method for cleaning the exterior facade of the waterstone of the historical building as recited in claim 5, wherein after the paint removing paste is applied, the side of the paint removing paste, which is far away from the exterior facade of the waterstone, is covered with the anti-penetration film, and the anti-penetration film is enabled to fully cover the paint removing paste on the exterior facade of the waterstone.
7. The method for cleaning the exterior facade of the brushite of the historic building is characterized in that the time for covering the paint-removing paste by the anti-penetrating film is 8-12 h.
8. The method as claimed in claim 1, wherein the plastering layer in S2 is judged to have rust thereon, and if so, one of seaweed mud or white pulp is covered on the rusted part for removing the rust.
9. A method for cleaning the exterior of brushite for historic buildings according to claim 1, wherein the water pressure of the washing in S3 is adjustable.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711484008.XA CN108222532B (en) | 2017-12-29 | 2017-12-29 | Method for cleaning rubble facade of historical building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711484008.XA CN108222532B (en) | 2017-12-29 | 2017-12-29 | Method for cleaning rubble facade of historical building |
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| CN108222532A CN108222532A (en) | 2018-06-29 |
| CN108222532B true CN108222532B (en) | 2020-04-10 |
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| CN201711484008.XA Active CN108222532B (en) | 2017-12-29 | 2017-12-29 | Method for cleaning rubble facade of historical building |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109138480B (en) * | 2018-09-12 | 2021-08-31 | 上海市建筑装饰工程集团有限公司 | Antique-finishing method for wall surface painted by water-brushed stone on outer wall of historical building |
| CN110541574A (en) * | 2019-09-05 | 2019-12-06 | 杭萧钢构股份有限公司 | Steel structure surface hardening cement paste and concrete residue removing method |
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| CN101319552A (en) * | 2008-07-23 | 2008-12-10 | 勾希杰 | Construction method of ture mineral varnish face brick-imitation construction exterior wall |
| CN101429817A (en) * | 2007-11-07 | 2009-05-13 | 上海市建筑装饰工程有限公司 | Historical building spalling paint renovation technique |
| CN101429816A (en) * | 2007-11-07 | 2009-05-13 | 上海市建筑装饰工程有限公司 | Historical building clean water red brick wall renovation technique |
| CN104405170A (en) * | 2014-11-26 | 2015-03-11 | 国家电网公司 | Using method of composite penetration protection reinforcing material |
| CN105464396A (en) * | 2015-11-16 | 2016-04-06 | 上海建工五建集团有限公司 | Reinforcing method for external wall of protective historical building |
| CN107327156A (en) * | 2017-08-24 | 2017-11-07 | 上海吉丽仕化工有限公司 | A kind of concrete surface processing method before protective coating coating |
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2017
- 2017-12-29 CN CN201711484008.XA patent/CN108222532B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429817A (en) * | 2007-11-07 | 2009-05-13 | 上海市建筑装饰工程有限公司 | Historical building spalling paint renovation technique |
| CN101429816A (en) * | 2007-11-07 | 2009-05-13 | 上海市建筑装饰工程有限公司 | Historical building clean water red brick wall renovation technique |
| CN101319552A (en) * | 2008-07-23 | 2008-12-10 | 勾希杰 | Construction method of ture mineral varnish face brick-imitation construction exterior wall |
| CN104405170A (en) * | 2014-11-26 | 2015-03-11 | 国家电网公司 | Using method of composite penetration protection reinforcing material |
| CN105464396A (en) * | 2015-11-16 | 2016-04-06 | 上海建工五建集团有限公司 | Reinforcing method for external wall of protective historical building |
| CN107327156A (en) * | 2017-08-24 | 2017-11-07 | 上海吉丽仕化工有限公司 | A kind of concrete surface processing method before protective coating coating |
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