WO2014069577A1 - 板ガラス洗浄装置および板ガラス洗浄方法 - Google Patents
板ガラス洗浄装置および板ガラス洗浄方法 Download PDFInfo
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- WO2014069577A1 WO2014069577A1 PCT/JP2013/079570 JP2013079570W WO2014069577A1 WO 2014069577 A1 WO2014069577 A1 WO 2014069577A1 JP 2013079570 W JP2013079570 W JP 2013079570W WO 2014069577 A1 WO2014069577 A1 WO 2014069577A1
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- WIPO (PCT)
- Prior art keywords
- cleaning
- plate glass
- cleaning liquid
- storage tank
- zone
- Prior art date
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0075—Cleaning of glass
Definitions
- the present invention relates to a cleaning apparatus and a cleaning method for cleaning while conveying a plate glass.
- the plate glass cleaning device there is a so-called conveyor type cleaning device that cleans the plate glass while conveying it.
- a plurality of cleaning zones are provided on a conveyer that conveys plate glass, and the plate glass conveyed by the conveyer is sequentially washed within each washing zone.
- the cleaning liquid is generally recovered in each cleaning zone, and the recovered cleaning liquid is generally reused for cleaning the plate glass.
- Patent Document 1 discloses a configuration in which a cleaning liquid is collected and reused in a long photosensitive material cleaning apparatus, although it is not related to plate glass. That is, in the cleaning device disclosed in the same document, in each of the plurality of cleaning zones, a spray for spraying the cleaning liquid onto the photosensitive material, a recovery tank for recovering the cleaning liquid supplied from the spray, and the cleaning liquid recovered in the recovery tank flow down. In addition, a storage tank is provided, and the cleaning liquid stored in each storage tank is supplied to sprays included in the same cleaning zone.
- the storage tanks are arranged adjacent to each other in the transport direction, and the liquid level gradually increases from the upstream side to the downstream side in the transport direction. Therefore, when a cleaning liquid of a predetermined capacity or more flows down from the recovery tank to the storage tank, the cleaning liquid corresponding to the flowing down cleaning liquid is supplied while overflowing to the storage tank on the upstream side in the transport direction.
- the problem will be described by taking two adjacent cleaning zones (upstream cleaning zone and downstream cleaning zone) as an example.
- the cleaning liquid used in the upstream cleaning zone remains on the surface of the plate glass mainly by adhering to the upper surface of the plate glass. Therefore, when the plate glass is transported from the upstream cleaning zone to the downstream cleaning zone, the cleaning liquid in the upstream cleaning zone is brought into the downstream cleaning zone together with the plate glass. In this state, when the plate glass is cleaned in the downstream cleaning zone, the cleaning liquid in the upstream cleaning zone is also collected in the storage tank in the downstream cleaning zone.
- each storage tank is configured to supply the recovered cleaning liquid only to the spray in the same cleaning zone, the cleaning liquid used in the upstream cleaning zone is inevitably more than the cleaning liquid used in the downstream cleaning zone. Will remain dirty. Therefore, the cleaning liquid brought in from the upstream cleaning zone while remaining on the surface of the plate glass is also more dirty than the cleaning liquid used in the downstream cleaning zone.
- the cleaning liquid used in the downstream cleaning zone is contaminated by the cleaning liquid remaining on the surface of the glass sheet, and the downstream cleaning zone is cleaned.
- Ability will decline early.
- an object of the present invention is to surely clean a plate glass by suppressing a decrease in cleaning ability as much as possible while suppressing a supply amount of fresh cleaning liquid.
- the present invention devised to solve the above problems is a plate glass cleaning apparatus for cleaning a plate glass while transporting it, and includes a plurality of cleaning zones along the transport direction of the plate glass.
- Spraying means for spraying a cleaning liquid onto a plate glass and a storage tank for collecting the cleaning liquid are arranged, and the storage tank is included in the same cleaning zone, and the cleaning zone adjacent to the upstream side thereof.
- the recovered cleaning liquid is supplied to each of the spraying means included in.
- the cleaning liquid is directly supplied from the storage tank in the downstream cleaning zone to the spraying means in the downstream cleaning zone and the spraying means in the upstream cleaning zone.
- the cleaning liquid having the same cleanability as the cleaning liquid sprayed on the plate glass in the downstream cleaning zone is sprayed on the plate glass also in the upstream cleaning zone. Therefore, the cleanliness of the cleaning liquid brought from the upstream cleaning zone into the downstream cleaning zone by the plate glass can be made close to the cleaning liquid sprayed on the plate glass in the downstream cleaning zone. Therefore, it is possible to suppress a situation in which the cleaning performance in the downstream cleaning zone is lowered by the cleaning liquid brought in by the plate glass from the upstream cleaning zone.
- the storage tank supplies the recovered cleaning liquid to the spraying means located near the outlet of the cleaning zone adjacent to the upstream side.
- the cleaning liquid having the same cleanliness as the cleaning liquid sprayed on the plate glass in the downstream cleaning zone is sprayed on the plate glass near the outlet of the upstream cleaning zone (downstream side in the cleaning zone). . That is, a cleaning liquid having the same cleanliness as the cleaning liquid sprayed on the plate glass in the downstream cleaning zone is used as the cleaning liquid that is likely to be brought into the downstream cleaning zone by the plate glass. Therefore, the situation that the cleaning liquid used in the downstream cleaning zone is contaminated by the cleaning liquid brought in by the plate glass from the upstream cleaning zone can be more effectively suppressed.
- the storage tank may supply the excess cleaning liquid to the storage tank in the cleaning zone adjacent to the upstream side.
- the cleaning liquid with high cleanliness is sequentially supplied from the storage tank in the downstream cleaning zone to the storage tank in the upstream cleaning zone, it is stored in the storage tank in the upstream cleaning zone.
- the cleaning property of the cleaning liquid can be improved.
- the storage tank is controlled such that the outflow amount of the cleaning liquid is equal to or less than the inflow amount of the cleaning liquid.
- the present invention provides a plate glass cleaning method for cleaning a plate glass while transporting the plate glass, wherein a plurality of cleaning zones are provided along a transport direction of the plate glass, and the plate glass is provided in each cleaning zone.
- the cleaning liquid is sprayed onto the glass sheet, and the cleaning liquid is recovered, and the recovered cleaning liquid is supplied to the cleaning zone that is a recovery source and the cleaning zone adjacent to the upstream side, and sprayed onto the glass sheet.
- the recovered cleaning liquid is sprayed onto the plate glass in the vicinity of the outlet of the cleaning zone adjacent to the upstream side of the cleaning zone that is the recovery source.
- the size of the plate glass is preferably 1 m square or more.
- a plate glass cleaning apparatus includes a conveyance roller 1 as a conveyance unit that conveys a sheet glass G, and a conveyance direction (an arrow in the figure) on a conveyance path of the conveyance roller 1.
- a plurality of cleaning zones 2 to 6 are provided along the (A direction).
- the plate glass G to be cleaned has, for example, a plate thickness of 1 mm or less (preferably 0.1 mm or more and 0.7 mm or less) and a side of 1 m or more (preferably 1 m or more and 4 m or less). is there.
- Each of the cleaning zones 2 to 6 includes a cleaning chamber 7 that partitions a cleaning space for the plate glass G, a spray 8 as spraying means for spraying a cleaning liquid (for example, water) W onto the plate glass G in the cleaning chamber 7, and a cleaning A storage tank 9 for recovering the cleaning liquid W in the chamber 7 is provided, and the plate glass G is cleaned while circulating the cleaning liquid W recovered in the storage tank 9.
- the plate glass G may be cleaned by using a contact tool such as a brush or a sponge in addition to cleaning by spraying the cleaning liquid W.
- Each cleaning chamber 7 has an inlet 7a and an outlet 7b through which the plate glass G can pass.
- the adjacent cleaning chambers 7 are partitioned by wall surfaces constituting each chamber 7 except for the outlet 7b and the inlet 7a facing each other.
- the bottom of each cleaning chamber 7 communicates with the corresponding storage tank 9.
- the spray 8 is arrange
- the spray 8 on the lower surface side sprays the cleaning liquid W from the gap between the conveying rollers 1 to the lower surface side of the plate glass G.
- the cleaning liquid W is directly sprayed by the dedicated spray 8 on both end surfaces in the width direction orthogonal to the conveying direction of the plate glass G.
- positioning aspect of the spray 8 is not specifically limited, You may abbreviate
- Each storage tank 9 collects the cleaning liquid W collected at the bottom of the cleaning chamber 7 included in the same cleaning zone 2 to 6 as a recovery source. Here, the cleaning liquid W collected at the bottom of the storage tank 9 flows down into the storage tank 9 by its own weight.
- the storage tank 9 in the downstream cleaning zone 4 is located on the inlet 7a side of the cleaning chamber 7 in the same cleaning zone 4.
- the cleaning liquid W is supplied by the pump 10 to the spray 8 arranged on the (upstream side) and the spray 8 arranged on the outlet side (downstream side) in the cleaning chamber 7 of the upstream cleaning zone 3. It has become.
- the spray 8 is supplied to the inlet 7a side and the outlet 7b of the cleaning chamber 7. It is divided into two. Then, the cleaning liquid W is supplied to the spray 8 on the inlet 7a side from the storage tank 9 connected to the cleaning chamber 7, and the storage 8 connected to the downstream cleaning chamber 7 is connected to the spray 8 arranged on the outlet 7b side.
- the cleaning liquid W is supplied from the tank 9. That is, the cleaning space in one cleaning chamber 7 is covered by the cleaning liquid W supplied from the two storage tanks 9, and the cleaning liquid higher in cleanliness than the spray 8 on the inlet 7 a side is provided in the spray 8 on the outlet 7 b side. W is supplied.
- the storage tank 9 in the most upstream cleaning zone 2 supplies the cleaning liquid W only to the spray 8 arranged on the inlet 7a side of the cleaning chamber 7 in the same cleaning zone 2, and the storage tank in the most downstream cleaning zone 6 9 supplies the cleaning liquid W to all the sprays 8 disposed in the cleaning chamber 7 of the same cleaning zone 6 and to the spray 8 disposed on the outlet 7b side of the cleaning chamber 7 in the upstream cleaning zone 5. It is like that.
- Adjacent ones of the storage tanks 9 are connected by a predetermined flow path, and when the recovered cleaning liquid W exceeds a predetermined amount, the excess cleaning liquid W is stored in the storage tank 9 adjacent to the upstream side. It comes to supply. Specifically, when the liquid level of the storage tank 9 is sequentially decreased from the downstream side toward the upstream side, the cleaning liquid W recovered in the downstream storage tank 9 exceeds a predetermined amount. In addition, the cleaning liquid W overflows from the downstream storage tank 9, and the excess cleaning liquid W is supplied to the upstream storage tank 9.
- the fresh cleaning liquid W is supplied to the most downstream storage tank 9 and the dirty cleaning liquid W is discharged from the most upstream storage tank 9 as necessary. Further, a liquid draining roller 11 is disposed near the outlet 7 b of each cleaning chamber 7.
- the plate glass G is conveyed by the conveyance roller 1, and the plate glass G is washed step by step while passing the plate glass G in order from the upstream cleaning zones 2-6.
- a plurality of plate glasses G are cleaned in parallel.
- the cleaning liquid W is sprayed from the spray 8 onto the plate glass G, and dirt adhering to the surface of the plate glass G is washed away.
- the cleaning liquid W remaining on the surface of the plate glass G is removed as much as possible by the liquid draining roller 11 in the vicinity of the outlet 7b of each cleaning chamber 7.
- the cleaning liquid W supplied into the cleaning chambers 7 of the cleaning zones 2 to 6 is collected at the bottom of each cleaning chamber 7 and is collected in the storage tank 9 corresponding to each cleaning chamber 7.
- the cleanliness of the collected cleaning liquid W differs for each storage tank 9. That is, as the glass sheets G are being cleaned as the cleaning zones 2 to 6 are moved to the downstream side, the innermost of the storage tank 9 is moved to the downstream side from the upstream storage tank 9. The cleanliness of the stored cleaning liquid W is increased.
- the spray 8 disposed on the inlet 7a side of the cleaning chamber 7 included in the downstream cleaning zone 4 and the upstream cleaning zone 3 are included.
- the storage tank 9 in the downstream cleaning zone 4 pumps the cleaning liquid W by a pump 10 with respect to the spray 8 arranged on the outlet 7 b side of the cleaning chamber 7. Therefore, the cleanliness of the cleaning liquid W brought from the upstream cleaning zone 3 to the downstream cleaning zone 4 by the plate glass G can be brought close to the cleanliness of the cleaning liquid W sprayed on the plate glass G in the downstream cleaning zone 4. Therefore, it is possible to reliably prevent the cleaning performance in the downstream cleaning zone 4 from being lowered by the cleaning liquid W brought in by the plate glass G. In other words, since it is possible to suppress the deterioration of the cleaning capability as much as possible while suppressing the supply amount of the fresh cleaning liquid W, it is possible to perform high-level cleaning on the plate glass G while circulating the cleaning liquid W. It becomes.
- the cleaning liquid W when the cleaning liquid W is used while being circulated in each of the cleaning zones 2 to 6 as described above, the cleaning liquid W gradually becomes dirty, so that the fresh cleaning liquid W is supplied to the storage tank 9 in the most downstream cleaning zone 6. Or the dirty cleaning liquid W is drained from the storage tank 9 in the uppermost cleaning zone 2.
- the cleaning liquid W recovered in each storage tank 9 exceeds a predetermined amount due to the new supply of the cleaning liquid W, the storage tank adjacent to the upstream side overflows the excess cleaning liquid W. 9 are sequentially supplied.
- the amount of the cleaning liquid W recovered from the cleaning chamber 7 is supplied to each storage tank 9 by A and overflowed from the downstream storage tank 9.
- the amount of the cleaning liquid W to be supplied to the spray 8 by the pump 10 is a
- the amount of the cleaning liquid W to be supplied to the upstream storage tank 9 by the overflow is b, A + B ⁇ a + b (1)
- the amounts of the cleaning liquids A, B, a, and b are mainly supplied to the spray 8 disposed on the outlet 7 b side of the upstream storage tank 9 connected to the pump 10. It is controlled by adjusting the amount.
- a flow rate adjusting valve such as a valve is connected in front of the spray 8, and the valve is opened and closed.
- the method of adjustment etc. are mentioned.
- a flow control valve such as a valve
- the discharge amount of the spray 8 disposed on the outlet 7b side of the upstream storage tank 9 and the discharge of the spray 8 disposed on the inlet 7a side of the downstream storage tank 9 are provided. It is preferable that the amount ratio can be adjusted.
Abstract
Description
A+B≧a+b ・・・(1)
なる関係が成立するようにする。ここで、この実施形態では、A,B,a,bの各洗浄液Wの量は、主として、ポンプ10に接続された上流側の貯溜槽9の出口7b側に配置されたスプレー8への供給量を調整することで制御される。なお、上流側の貯溜槽9の出口7b側に配置されたスプレー8の供給量を調整する方法としては、例えば、バルブ等の流量調整弁をスプレー8の前に接続し、その弁の開閉を調整する方法などが挙げられる。バルブ等の流量調整弁を設けることにより、上流側の貯溜槽9の出口7b側に配置されたスプレー8の吐出量と、下流側の貯溜槽9の入口7a側に配置されたスプレー8の吐出量の割合を調整できることが好ましい。
2~6 洗浄ゾーン
7 洗浄室
7a 入口
7b 出口
8 スプレー
9 貯溜槽
10 ポンプ
11 液切りローラ
G 板ガラス
W 洗浄液
Claims (7)
- 板ガラスを搬送しながら洗浄する板ガラス洗浄装置において、
前記板ガラスの搬送方向に沿って複数の洗浄ゾーンを備え、
各々の前記洗浄ゾーンには、前記板ガラスに洗浄液を吹き付ける吹付手段と、前記洗浄液を回収する貯溜槽とが配置されており、
前記貯溜槽が、同一の前記洗浄ゾーンに含まれる前記吹付手段、及びその上流側に隣接する前記洗浄ゾーンに含まれる前記吹付手段に対して、回収された前記洗浄液をそれぞれ供給することを特徴とする板ガラス洗浄装置。 - 前記貯溜槽は、その上流側に隣接する前記洗浄ゾーンの出口付近に位置する前記吹付手段に対して、回収された前記洗浄液を供給することを特徴とする請求項1に記載の板ガラス洗浄装置。
- 前記貯溜槽は、回収された前記洗浄液が所定量を超えた場合に、その超過した前記洗浄液を上流側に隣接する前記洗浄ゾーンの前記貯溜槽に供給することを特徴とする請求項1又は2に記載の板ガラス洗浄装置。
- 前記貯溜槽は、前記洗浄液の流出量が前記洗浄液の流入量以下になるように制御されることを特徴とする請求項1~3のいずれか1項に記載の板ガラス洗浄装置。
- 板ガラスを搬送しながら洗浄する板ガラス洗浄方法において、
前記板ガラスの搬送方向に沿って複数の洗浄ゾーンを設け、
各々の前記洗浄ゾーンで、前記板ガラスに洗浄液を吹き付けるとともに、前記洗浄液を回収し、
回収した前記洗浄液を、回収元となる前記洗浄ゾーンとその上流側に隣接する前記洗浄ゾーンのそれぞれに供給して前記板ガラスに吹き付けることを特徴とする板ガラス洗浄方法。 - 回収した前記洗浄液を、回収元の前記洗浄ゾーンの上流側に隣接する前記洗浄ゾーンの出口付近で、前記板ガラスに吹き付けることを特徴とする請求項5に記載の板ガラス洗浄方法。
- 前記板ガラスの大きさが、1m角以上であることを特徴とする請求項5又は6に記載の板ガラス洗浄方法。
Priority Applications (2)
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JP2013550426A JPWO2014069577A1 (ja) | 2012-11-05 | 2013-10-31 | 板ガラス洗浄装置および板ガラス洗浄方法 |
CN201390000748.0U CN204544839U (zh) | 2012-11-05 | 2013-10-31 | 平板玻璃清洗装置 |
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JP2012-243714 | 2012-11-05 | ||
JP2012243714 | 2012-11-05 |
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JP (1) | JPWO2014069577A1 (ja) |
CN (1) | CN204544839U (ja) |
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WO (1) | WO2014069577A1 (ja) |
Cited By (1)
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WO2023248747A1 (ja) * | 2022-06-21 | 2023-12-28 | 日本電気硝子株式会社 | ガラス物品の製造方法、及びガラス物品の製造装置 |
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CN106269692A (zh) * | 2016-08-19 | 2017-01-04 | 湖北仁齐科技有限公司 | 一种cnc玻璃盖板的清洗方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0576811A (ja) * | 1991-09-20 | 1993-03-30 | Hitachi Ltd | 液処理槽および液処理装置 |
JP2007117953A (ja) * | 2005-10-31 | 2007-05-17 | Tokyo Ohka Kogyo Co Ltd | 搬送処理装置 |
-
2013
- 2013-10-31 JP JP2013550426A patent/JPWO2014069577A1/ja active Pending
- 2013-10-31 CN CN201390000748.0U patent/CN204544839U/zh not_active Expired - Lifetime
- 2013-10-31 WO PCT/JP2013/079570 patent/WO2014069577A1/ja active Application Filing
- 2013-11-04 TW TW102139999A patent/TW201429570A/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0576811A (ja) * | 1991-09-20 | 1993-03-30 | Hitachi Ltd | 液処理槽および液処理装置 |
JP2007117953A (ja) * | 2005-10-31 | 2007-05-17 | Tokyo Ohka Kogyo Co Ltd | 搬送処理装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023248747A1 (ja) * | 2022-06-21 | 2023-12-28 | 日本電気硝子株式会社 | ガラス物品の製造方法、及びガラス物品の製造装置 |
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CN204544839U (zh) | 2015-08-12 |
TW201429570A (zh) | 2014-08-01 |
JPWO2014069577A1 (ja) | 2016-09-08 |
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