JP6006529B2 - How to remove dirt on tile surface for outer wall - Google Patents

How to remove dirt on tile surface for outer wall Download PDF

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JP6006529B2
JP6006529B2 JP2012114252A JP2012114252A JP6006529B2 JP 6006529 B2 JP6006529 B2 JP 6006529B2 JP 2012114252 A JP2012114252 A JP 2012114252A JP 2012114252 A JP2012114252 A JP 2012114252A JP 6006529 B2 JP6006529 B2 JP 6006529B2
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宗一 今井
宗一 今井
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宗一 今井
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本発明は、建築物などの外装材として使用されている外壁用タイルに付着する頑固な汚れや軽微な汚れなどを容易に除去する方法に関するものである。   The present invention relates to a method for easily removing stubborn dirt, light dirt, and the like adhering to an outer wall tile used as an exterior material of a building or the like.

ビルディングやマンションなどの建築物の外壁面には、自然環境に対して劣化や変質がし難く、耐久性、耐候性に優れると共に、さまざまな風合いや色彩、形、材質感が実現でき、豊かな意匠性を持ち特有の美観が得られることから、磁器質タイル、せっ器質タイル、陶器質タイルなどの外壁用タイルによる外装仕上げが多く行われている。   The outer walls of buildings such as buildings and condominiums are not easily deteriorated or altered against the natural environment, have excellent durability and weather resistance, and can have a variety of textures, colors, shapes, and textures. Because of its design and unique aesthetics, exterior finishing is often done with exterior tiles such as porcelain tiles, porcelain tiles, and ceramic tiles.

この外壁用タイルは、他の外装仕上げに比べイニシャルコストがかかる反面、前述のような長所を有しているが、日光や風雨などにさらされている環境下にあることから、軽微な汚れや煤煙、粉塵、塵埃、排気ガスなど大気の汚染物質が付着堆積して、厚み方向に積層された頑固な汚れを形成する。この頑固な汚れは紫外線などの照射を受けることにより乾燥硬化して、タイル表面に強固にへばりつくことになり除去するのが大変困難になる。   This exterior wall tile has an initial cost compared to other exterior finishes, but has the above-mentioned advantages, but it is in an environment exposed to sunlight, wind and rain, etc. Atmospheric pollutants such as smoke, dust, dust, and exhaust gas adhere and accumulate, forming stubborn dirt stacked in the thickness direction. This stubborn stain is dried and hardened by irradiation with ultraviolet rays or the like, and sticks firmly to the tile surface, making it very difficult to remove.

また、酸性雨などの浸透によるタイル表層部の中性化や白華現象(エフロレッセンス)が生じてタイルとタイルの間の目地に白い吹き出物状の物質が付着し、そのまま放置しておくと次第に広がっていき美観を損なうばかりでなく、劣化が進み外観は一段と悪化することになる。   In addition, neutralization of the surface layer of the tile due to infiltration of acid rain and the like, and white phenomenon (eflorescence) occur, and a white pellicle-like substance adheres to the joints between the tiles, and it is gradually left as it is. Not only will it spread and impair the aesthetics, but the deterioration will progress and the appearance will deteriorate further.

一般に汚れ難いと言われているタイル表面が鏡面の陶磁器タイルであっても、タイル表面には細穴(微細穴)があると共に、劣化が進むと細かい割れ目が生じ、前述の大気汚染物質やカビなどが入り込む。細穴や割れ目あるいは目地などに一旦汚れが入り込むと除去が難しくなる。細穴や割れ目が多い陶磁器タイルは、当然汚れの入り込みも多く、細穴の上部や割れ目に点状のような汚れが多数発生して汚れが目立つことになる。   Even if the tile surface, which is generally said to be difficult to stain, is a ceramic tile with a mirror surface, the tile surface has fine holes (fine holes), and as the deterioration progresses, fine cracks occur, causing the above-mentioned air pollutants and molds. Etc. get in. Once dirt enters a small hole, crack or joint, it becomes difficult to remove. Ceramic tiles with a lot of fine holes and cracks naturally have a lot of dirt, and a lot of dot-like dirt is generated on the top and cracks of the fine holes, so that the dirt is conspicuous.

上記のように、タイル表面の軽微な汚れや厚さ方向に強固にへばり付いた大気汚染物質などの頑固な汚れおよび細穴、割れ目、目地内に入り込んで付着したカビや汚れなどは、デッキブラシやスポンジタワシなどの清掃具でこすり洗いしても、軽微な汚れは別として、頑固な汚れは除去できない。そのため、高圧水洗滌機や高圧温水洗滌機を用いて高圧水や高圧温水を噴射し、その衝撃力で汚染物質を除去している(例えば、特許文献1,2参照)。   As described above, light stains on the tile surface, stubborn stains such as air pollutants stuck firmly in the thickness direction, fine holes, cracks, mold and dirt that gets into the joints and adheres to the deck. Rubbing with a cleaning tool such as a brush or sponge scrubber will not remove stubborn dirt, except for minor dirt. Therefore, high-pressure water or high-pressure hot water is sprayed using a high-pressure water washer or high-pressure hot water washer, and contaminants are removed by the impact force (see, for example, Patent Documents 1 and 2).

特開2003−33680号公報Japanese Patent Laid-Open No. 2003-33680 特開平9−242347号公報Japanese Patent Laid-Open No. 9-242347

タイル表面の厚さ方向に堆積した大気汚染物質などの頑固な汚れを除去するのには、前述したように高圧水を噴射するのが良いが、高圧水を吹き付けるとタイル表面の素地を傷めることになる。また、タイル表面の軽微な汚れについても、高圧水による除去は前記の理由と同じで使用できない。さらに、細穴や割れ目あるいは目地に付着する汚れやカビなどは取り除くことができず、洗浄しても依然として点状の汚れが残り綺麗にならず、タイルの元の持つ色出しができないという問題点があった。   In order to remove stubborn dirt such as air pollutants accumulated in the thickness direction of the tile surface, it is better to spray high pressure water as described above, but if the high pressure water is sprayed, the surface of the tile surface may be damaged. become. Further, even for slight dirt on the tile surface, removal with high-pressure water cannot be used for the same reason as described above. In addition, dirt and mold that adhere to narrow holes, cracks, and joints cannot be removed, and even after washing, spot-like dirt remains and does not become clean, and the original color of the tile cannot be produced. was there.

本発明は、上記のような問題点を解決することを課題として開発されたもので、外壁用タイル表面に付着する軽微な汚れや厚み方向に堆積する煤煙、粉塵、塵埃、排気ガスなどの汚染物質が強固にへばり付いた頑固な汚れおよび細穴、割れ目、目地などに浸入してこびりついた汚れなどを容易に除去できる外壁用タイル面の汚れ除去方法を提供することを目的とするものである。   The present invention was developed with the object of solving the above-mentioned problems. It is a slight dirt adhering to the surface of the tile for the outer wall and contamination such as smoke, dust, dust and exhaust gas accumulated in the thickness direction. The purpose is to provide a method for removing dirt on the tile surface for external walls that can easily remove stubborn dirt with tightly sticking substances and dirt that has stuck into fine holes, cracks, joints, etc. is there.

上記の課題を解決し、その目的を達成する手段として、本発明は、 外壁用タイル面の汚れ除去方法であって、タイル表面の厚さ方向に堆積する煤煙、粉塵、塵埃、排気ガスなどの汚染物質が強固にへばり付いた頑固な汚れ部Aを水の噴出する手持ち式ウォーターサンダーで研削する工程と、研削片などの汚れA’を水5で洗い流す工程と、汚れA’を洗い流したタイル表面に水打ちを行う工程と、タイル表面を傷めず洗浄できるpH3〜pH6の弱酸性洗浄液8をタイル表面に塗布する工程と、前記弱酸性洗浄液8を細穴や割れ目あるいは目地に浸入させ、軽微な汚れ部Bおよび細穴9や割れ目あるいは目地2の汚れ部Cを浮き上がらせる工程と、高圧温水11を吹き付けて汚れ部Bおよび汚れ部Cを除去する工程とからなることを特徴とする外壁用タイル面の汚れ除去方法を開発し、採用した。 As a means for solving the above-mentioned problems and achieving the object, the present invention is a method for removing dirt on a tile surface for an outer wall, such as soot, dust, dust, and exhaust gas accumulated in the thickness direction of the tile surface. The process of grinding a stubborn soiled part A firmly contaminated with a hand-held water sander that spouts water, the process of flushing dirt A 'such as a grinding piece with water 5 , and the dirt A' was washed away. and performing water hitting 6 the tile surface, the weak acid washing solution 8 pH3~pH6 which can be cleaned without damaging the tile surface a step of applying to the tile surface, the weak acid washing solution 8 to the fine hole 9 and cracks or joints 2 is penetrating, characterized in that it consists a step of float the dirt portion C minor fouling unit B and the small hole 9 and cracks or joints 2, the step of removing the dirt portion B and soil portion C by spraying high-pressure hot water 11 Soil removal method of exterior wall tile surface that developed and adopted.

また、本発明では、上記のように構成した外壁用タイル面の汚れ除去方法において、前記弱酸性洗浄液をタイル表面に塗布する工程は、塗布量を50〜150g/m 2 の範囲とし、複数回に分けて塗布することを特徴とする外壁用タイル面の汚れ除去方法を開発し、採用した。 In the present invention, in the method for removing dirt on the tile surface for the outer wall configured as described above, the step of applying the weakly acidic cleaning liquid to the tile surface has a coating amount in the range of 50 to 150 g / m 2 and is performed a plurality of times. We developed and adopted a method for removing dirt on the tile surface for the outer wall, which is characterized by being applied in two parts.

本発明に係る外壁用タイル面の汚れ除去方法によれば、水の噴出する手持ち式ウォーターサンダーでタイルの厚さ方向に堆積して突出する煤煙、粉塵、排気ガスなどの汚染物質が強固にへばり付いた頑固な汚れ部を平面になるように研削するものであるが、その際、タイル面にこびり付いた頑固な汚れであっても、手持ち式ウォーターサンダーから水を噴出して研削するので、頑固な汚れ部は次第に水を含み軟化され、研削具の接触圧により容易に研削除去され、水を噴出しているから、研削時における粉塵の飛散がなく、作業現場の環境を悪化して作業者の健康を害するおそれがなくなると共に、手持ち式ウォーターサンダーで研削された汚れを水で洗い流すのでタイル面が綺麗になる。 According to the method for removing dirt from an outer wall tile surface according to the present invention, contaminants such as smoke, dust, and exhaust gas that accumulate and protrude in the thickness direction of the tile with a hand-held water sander that ejects water are strongly strengthened. The stubborn dirt part that sticks is ground so that it becomes flat, but even if it is stubborn dirt stuck to the tile surface, water is ejected from the handheld water sander and ground. The stubborn soiled part is gradually softened with water, and is easily ground and removed by the contact pressure of the grinding tool, and the water is blown out, so there is no dust scattering during grinding and the work site environment is deteriorated. The surface of the tiles will be clean because the dirt ground by the hand-held water sander is washed away with water.

また、水の噴出する手持ち式ウォーターサンダーで研削された汚れを洗い流して綺麗にした後、タイル表面に予め水打ちすることにより、次工程の弱酸性洗浄液を塗布する時に、全体にわたって均一に塗布することができ、汚れを効果的に除去できる。 Also, after washing and cleaning the dirt that has been ground with a hand-held water sander that spouts water, it is applied evenly throughout the application of the weakly acidic cleaning solution for the next process by pre-watering the tile surface. And can effectively remove dirt.

さらに、タイル表面に付着する軽微な汚れはpH3〜pH6の弱酸性洗浄液を塗布することにより、タイル表面を傷めず洗浄することができると共に、弱酸性洗浄液がタイル表面の細穴や割れ目あるいは目地などに浸入した後、水洗いすることにより、弱酸性洗浄液および表面の軽微な汚れを落とすことができる。さらに、細孔や割れ目あるいは目地に残留する汚れ部に高圧温水を吹き付けることにより、汚れを剥離して除去でき、外壁用タイルに付着していた全ての汚れを取ることができ、全体が美しくなり元の色彩もしくは近い色彩になる。 Furthermore, light stains adhering to the tile surface can be washed without damaging the tile surface by applying a pH 3 to pH 6 weak acid cleaning solution, and the weak acid cleaning solution may cause fine holes , cracks, joints, etc. on the tile surface. After entering the surface, washing with water can remove weakly acidic cleaning liquid and slight stains on the surface. In addition, by spraying high-pressure hot water on the pores, cracks, or dirt that remains on the joints, the dirt can be peeled off and removed, and all the dirt that has adhered to the tiles for the outer wall can be removed, making the whole beautiful. It becomes the original color or a close color.

また、前記弱酸性洗浄液をタイル表面に塗布する工程は、塗布量を50〜150g/mMoreover, the process of apply | coating the said weak acidic cleaning liquid to the tile surface is 50-150 g / m of application | coating amounts. 22 の範囲とし、複数回に分けて塗布することによりタイル面に付着した汚れ部を容易に確実に除去できる。By applying the coating in a plurality of times, it is possible to easily and reliably remove the soiled portion adhering to the tile surface.

外壁用タイル面の汚れ除去の手順を示すフローチャートである。It is a flowchart which shows the procedure of the stain | pollution | contamination removal of the tile surface for outer walls. 外壁用タイルの一部正面図である。It is a partial front view of the tile for outer walls. 図1のI−I線拡大断面図である。FIG. 2 is an enlarged cross-sectional view taken along a line II in FIG. 1. 手持ち式ウォーターサンダーで汚れ部を除去する説明図である。It is explanatory drawing which removes a dirt part with a hand-held water sander. 研削された汚れを水で洗い流す説明図である。It is explanatory drawing which flushes the grind | polished dirt with water. 水打ちを示す説明図である。It is explanatory drawing which shows water hammering. 弱酸性洗浄液を塗布する説明図である。It is explanatory drawing which apply | coats a weakly acidic cleaning liquid. 高圧温水でタイル表面に吹き付ける説明図である。It is explanatory drawing sprayed on the tile surface with high-pressure hot water. 細穴に汚れ部が付着している説明図である。It is explanatory drawing which the dirt part has adhered to the fine hole. 細穴の汚れ部が浮き上がっている状態の説明図である。It is explanatory drawing of the state which the dirt part of a fine hole has lifted. 細穴から汚れ部が除去される状態の説明図である。It is explanatory drawing of the state from which a dirt part is removed from a thin hole. 合成繊維パッドを装着した研削具で汚れ部を除去する説明図である。It is explanatory drawing which removes a dirt part with the grinding tool equipped with the synthetic fiber pad. 合成繊維ブラシを装着した研削具で汚れ部を除去する説明図である。It is explanatory drawing which removes a dirt part with the grinding tool equipped with the synthetic fiber brush.

以下に、本発明の実施の形態を添付図面に基づいて説明すれば、図1は外壁用タイルの汚れ除去の手順を示すフローチャートであり、図2〜図11は手順を模式的に示した図である。   DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a flowchart showing a procedure for removing dirt from an outer wall tile, and FIGS. 2 to 11 are diagrams schematically showing the procedure. It is.

本発明に係る外壁用タイルとしては、例えば、磁器質タイル、せっ器質タイル、半磁器
質タイル、陶器質タイルなどの陶磁器質タイル1であって、表面が平滑面1aや凸凹面1bあるいは平滑面1aと凸凹面1bからなる場合などがあり、張りモルタルで陶磁器質タイル1を張り、目地モルタルで目地2を詰めることにより形成されたものである。
Examples of the outer wall tile according to the present invention include a ceramic tile 1 such as a porcelain tile, a porcelain tile, a semi-porcelain tile, and a porcelain tile, and the surface thereof is a smooth surface 1a, an uneven surface 1b, or a smooth surface. 1a and uneven surface 1b, and the like. The ceramic tile 1 is formed with a tension mortar, and the joint 2 is filled with a joint mortar.

本発明では、第1の工程として、手持ち式ウォーターサンダー3で陶磁器質タイル1の表面の厚さ方向に大気の汚染物質が堆積してこびり付いた頑固な汚れ部Aを研削して除去するものである。ここで用いる手持ち式ウォーターサンダー3は、ボディー3aの内部に組み込んだエアーモータ(図示せず)により研削具4を回転駆動すると共に、研削具4の内部中心部から水を噴出する公知のエアー手持ち式のものであるが、電動式のものでもよいのは勿論である。   In the present invention, as a first step, the hand-held water sander 3 is used to grind and remove the stubborn soiled portion A where atmospheric pollutants have accumulated and stuck in the thickness direction of the surface of the ceramic tile 1. is there. The hand-held water sander 3 used here is a known air hand-held device that rotates and drives the grinding tool 4 by an air motor (not shown) incorporated in the body 3a and ejects water from the center of the grinding tool 4 inside. Of course, an electric type may be used.

陶磁器質タイル1の表面が平滑面タイル1aの時には、図12に示すように、手持ち式ウォーターサンダー3の下端部に取り付けられる研削具4を、ナイロン繊維からなる不織布に研磨粒子を塗着した薄状物を積層した円盤状の合成繊維パッド4aを使用し、頑固な汚れ部Aが平面になるよう研削する。研削時には、研削具4の内部中心部から水が噴出されているから、頑固な汚れ部Aの微粉末が周囲に舞い上がることなく、飛散せず作業環境を悪化することがない。   When the surface of the ceramic tile 1 is a smooth tile 1a, as shown in FIG. 12, the grinding tool 4 attached to the lower end of the hand-held water sander 3 is a thin film in which abrasive particles are coated on a nonwoven fabric made of nylon fibers. Using a disc-shaped synthetic fiber pad 4a in which the objects are laminated, grinding is performed so that the stubborn dirt portion A becomes a flat surface. At the time of grinding, since water is ejected from the inner central portion of the grinding tool 4, the fine powder of the stubborn dirt portion A does not fly up to the surroundings and does not scatter and does not deteriorate the working environment.

一方、陶磁器質タイル1の表面が凸凹面タイル1bの時には、図13に示すように、手持ち式ウォーターサンダー3の下端部に取り付けられる研削具4を、研磨粒子入りのナイロン繊維やポリエステル繊維からなる合成繊維ブラシ4bを使用し、頑固な汚れ部Aが平面になるように研削する。研削時に水が噴出されて頑固な汚れ部Aの微粉末が周囲に飛散せず、作業環境を悪化することがないのは合成繊維パッド4aと同じである。   On the other hand, when the surface of the ceramic tile 1 is an uneven tile 1b, the grinder 4 attached to the lower end of the hand-held water sander 3 is made of nylon fibers or polyester fibers containing abrasive particles, as shown in FIG. Using the synthetic fiber brush 4b, grinding is performed so that the stubborn dirt portion A becomes a flat surface. It is the same as the synthetic fiber pad 4a that water is ejected during grinding and the fine powder of the stubborn dirt portion A is not scattered around and does not deteriorate the working environment.

手持ち式ウォーターサンダー3により、タイル表面の厚さ方向に突出する頑固な汚れ部Aを平面になるように研削除去すると、研削片などの汚れA’が生じることから、この汚れA’を水5で洗い流してタイル表面を綺麗にする。汚れA’を洗い流したタイル表面に予め水打ち6を行って、次工程の弱酸性洗浄液8を塗布する際に、均一に塗布することができ、汚れを効果的に除去できるようになっている。また、図2、図3に示すように、陶磁器質タイル1の表面に付着する軽微な汚れBを除去しようと思えば、タイル表面を研削することになり、凸凹部を作ることから、手持ち式ウォーターサンダー3での研削は適さない。   When the stubborn dirt portion A protruding in the thickness direction of the tile surface is ground and removed by the hand-held water sander 3 so as to become a flat surface, dirt A ′ such as a ground piece is generated. Rinse with a to clean the tile surface. When the water surface 6 is previously applied to the tile surface from which the dirt A ′ has been washed away and the weak acid cleaning liquid 8 in the next step is applied, it can be uniformly applied and the dirt can be effectively removed. . Also, as shown in FIGS. 2 and 3, if the slight dirt B adhering to the surface of the ceramic tile 1 is to be removed, the tile surface will be ground, and a convex and concave portion will be formed. Grinding with the water sander 3 is not suitable.

そこで、次の工程として、タイル表面の軽微な汚れ部Bに、刷毛、ウエス、ローラ、スプレーなどの公知の塗装具7によってpH3〜pH6の弱酸性洗浄液8を塗布することによりタイル表面を傷めずに軽微な汚れ部Bを落とすことができる。この弱酸性洗浄液8は特に限定するものではなく、(例えば、エスケイ化研株式会社製 外壁洗浄剤 タイルクリーンNEO)を用いることにより、汚れを落とすことができると共に、弱酸性洗浄液8はタイル表面の細穴9や目地2にも浸入させ、細穴9の周面壁9aや目地2に付着する汚れ部Cを浮き上がらせる。 Therefore, as a next step, the tile surface is not damaged by applying a weakly acidic cleaning solution 8 having a pH of 3 to 6 to the lightly soiled portion B of the tile surface with a known paint 7 such as a brush, a waste, a roller, or a spray. It is possible to remove the slightly dirty portion B. The weakly acidic cleaning solution 8 is not particularly limited. For example, by using (for example, outer wall cleaner Tile Clean NEO manufactured by ESK Kaken Co., Ltd.), the soil can be removed, and the weakly acidic cleaning solution 8 The fine hole 9 and the joint 2 are also infiltrated , and the dirt portion C adhering to the peripheral wall 9a and the joint 2 of the fine hole 9 is lifted.

この弱酸性洗浄液8の塗布する際の所要量は、陶磁器質タイル1の汚れ具合を勘案して設定すればよいが、通常50〜150g/m2程度である。弱酸性洗浄液8の塗布においては、所要量を上記範囲内として、複数回に分けて塗布し、弱酸性洗浄液8がタイル表面の細穴9や目地2に浸入する量であればよい。 The required amount for applying the weakly acidic cleaning solution 8 may be set in consideration of the degree of soiling of the ceramic tile 1, but is usually about 50 to 150 g / m 2 . In the application of the weakly acidic cleaning solution 8, the required amount is within the above range, and it may be applied in a plurality of times so long as the weakly acidic cleaning solution 8 enters the fine holes 9 and joints 2 on the tile surface.

そして、ノズル10から噴出する高圧温水11をタイル面に吹き付ければ、この時点でまだ落ちていない軽微な汚れ部Bがあれば落とすことができると共に、弱酸性洗浄液8を十分水洗いして流すことができ、かつ、細穴9の汚れ部Cも細穴9から出て流れることになり、タイル面に付着していた汚れ部が残ることなく、全て除去され、綺麗になってタイルの元の持つ色出しが可能となる。   And if the high-pressure hot water 11 ejected from the nozzle 10 is sprayed on the tile surface, it can be removed if there is a slight dirt portion B that has not yet fallen at this point, and the weakly acidic cleaning solution 8 is thoroughly washed and allowed to flow. And the dirty part C of the narrow hole 9 also flows out of the fine hole 9 and is removed without leaving the dirty part adhering to the tile surface. Colors can be obtained.

この時の吐出圧力としては、陶磁器質タイル1の種類や状態に応じて低圧から高圧を選ぶことができるが、一般的には150kgf/cm〜500kgf/mの範囲が適しており、この範囲内において、現場の状況に応じて圧力を調整する。 The discharge pressure at this time can be selected from a low pressure to a high pressure depending on the type and state of the ceramic tile 1, but generally a range of 150 kgf / cm 2 to 500 kgf / m 2 is suitable. Within the range, adjust the pressure according to the situation at the site.

高圧温水11の温度は60〜100℃のものが好ましい。60℃以下になると浸透性が悪いことから適さず、100℃以上になると水蒸気になり飛散してタイル面まで吹き付けることができないので適さない。水量としては、10〜35リットル/分が適している。この範囲であれば飛散することがなく、作業現場が水浸しになることがないが、現場状況に応じて飛散するのを少なくする場合、圧力と水量を選ぶ。   The temperature of the high-pressure hot water 11 is preferably 60 to 100 ° C. If it is 60 ° C. or less, it is not suitable because it has poor permeability. If it is 100 ° C. or more, it is not suitable because it becomes water vapor and cannot be sprayed to the tile surface. A suitable amount of water is 10 to 35 liters / minute. If it is within this range, it will not scatter and the work site will not be submerged, but if it is less likely to scatter depending on the site conditions, the pressure and amount of water are selected.

以上、本発明の実施の形態では、陶磁器質タイルの例で説明したが、必ずしもこの実施の形態に限定されるものではなく、本発明の目的を達成でき、かつ発明の要旨を逸脱しない範囲内において種々の設計変更が可能である。   As described above, in the embodiment of the present invention, the example of the ceramic tile has been described. However, the present invention is not necessarily limited to this embodiment, and the object of the present invention can be achieved and does not depart from the gist of the invention. Various design changes are possible.

本発明は、ビルディングやマンションなどの建築物の外装材である外壁用タイルに限らず、石、合成樹脂板、金属板などの外装壁材の汚れ除去方法にも利用可能である。   The present invention is not limited to tiles for exterior walls that are exterior materials for buildings such as buildings and condominiums, but can also be used in methods for removing dirt from exterior wall materials such as stones, synthetic resin plates, and metal plates.

1 陶磁器質タイル
2 目地
3 手持ち式ウォーターサンダー
4 研削具
4a 合成繊維パッド
4b 合成繊維ブラシ
5 水
6 水打ち
7 塗装具
8 弱酸性洗滌液
9 細穴
9a 周壁面
10 ノズル
11 高圧温水
A 頑固な汚れ部
B 軽微な汚れ部
C 汚れ部
1 Ceramic tile
2 Joint 3 Hand-held water sander 4 Grinding tool 4a Synthetic fiber pad 4b Synthetic fiber brush 5 Water 6 Water hammer 7 Paint tool 8 Weakly acidic washing liquid 9 Narrow hole 9a Perimeter wall 10 Nozzle 11 High-pressure hot water A Stubborn dirt part B Minor Dirty part C Dirty part

Claims (2)

外壁用タイル面の汚れ除去方法であって、タイル表面の厚さ方向に堆積する煤煙、粉塵、塵埃、排気ガスなどの汚染物質が強固にへばり付いた頑固な汚れ部Aを水の噴出する手持ち式ウォーターサンダーで研削する工程と、研削片などの汚れA’を水5で洗い流す工程と、汚れA’を洗い流したタイル表面に水打ちを行う工程と、タイル表面を傷めず洗浄できるpH3〜pH6の弱酸性洗浄液8をタイル表面に塗布する工程と、前記弱酸性洗浄液8を細穴や割れ目あるいは目地に浸入させ、軽微な汚れ部Bおよび細穴9や割れ目あるいは目地2の汚れ部Cを浮き上がらせる工程と、高圧温水11を吹き付けて汚れ部Bおよび汚れ部Cを除去する工程とからなることを特徴とする外壁用タイル面の汚れ除去方法。 A method for removing dirt on a tile surface for an outer wall, in which water is ejected through a stubborn dirt part A in which contaminants such as smoke, dust, dust, and exhaust gas accumulated in the thickness direction of the tile surface are firmly attached. A process of grinding with a hand-held water sander, a process of washing away dirt A ′ such as a grinding piece with water 5 , a process of water- washing 6 on the tile surface from which dirt A ′ has been washed away, and a pH of 3 that can be washed without damaging the tile surface. a step of applying the weak acid washing solution 8 ~pH6 the tile surface, the weak acid washing solution 8 is entering the small hole 9 and cracks or joints 2, slight soiling unit B and the small hole 9 and crevices or dirt joint 2 A method for removing dirt on a tile surface for an outer wall, comprising: a step of raising a portion C; and a step of spraying high-pressure hot water 11 to remove the dirty portion B and the dirty portion C. 前記弱酸性洗浄液8をタイル表面に塗布する工程は、塗布量を50〜150g/mThe step of applying the weakly acidic cleaning solution 8 to the tile surface has a coating amount of 50 to 150 g / m. 22 の範囲とし、複数回に分けて塗布することを特徴とする請求項1に記載の外壁用タイル面の汚れ除去方法。The soil removal method for an outer wall tile surface according to claim 1, wherein the coating is performed in a plurality of times.
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JP2021085162A (en) * 2019-11-25 2021-06-03 株式会社藤林商会 Removal method of asbestos-containing coating film and removal device thereof
JP7178100B2 (en) 2019-11-25 2022-11-25 株式会社藤林商会 Asbestos Containing Coating Remover

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