CN112058793B - Optical glass cleaning equipment and cleaning method - Google Patents
Optical glass cleaning equipment and cleaning method Download PDFInfo
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- CN112058793B CN112058793B CN202010787550.8A CN202010787550A CN112058793B CN 112058793 B CN112058793 B CN 112058793B CN 202010787550 A CN202010787550 A CN 202010787550A CN 112058793 B CN112058793 B CN 112058793B
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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
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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- 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
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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
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to optical glass cleaning equipment and method. The ultrasonic washing device comprises a washing tank and a first circulating and filtering component, wherein the washing tank is used for carrying out ultrasonic washing on optical glass, the first circulating and filtering component is used for circularly filtering washing liquid in the washing tank, and the first circulating and filtering component comprises a first activated carbon filter and a first micron filter which are arranged in series; the ultrasonic rinsing device comprises a rinsing tank and a second circulating and filtering component, wherein the rinsing tank is used for performing ultrasonic rinsing on the optical glass after ultrasonic washing, the second circulating and filtering component is used for circularly filtering rinsing liquid in the rinsing tank, and the second circulating and filtering component comprises a second activated carbon filter and a second micron filter which are arranged in series; and the slow-drawing dehydration device is used for performing slow-drawing dehydration on the optical glass subjected to ultrasonic rinsing. The optical glass cleaning equipment and the method can stably and effectively remove dirt such as dust, grease, white spots and the like on the surface of the optical glass.
Description
Technical Field
The invention relates to the technical field of glass cleaning, in particular to optical glass cleaning equipment and a cleaning method.
Background
Optical glass is a fundamental and important component of the photovoltaic technology industry. Particularly, after the 90 s of the 20 th century, along with the continuous fusion of optics, electronic information science and new material science, the application of optical glass as a photoelectronic base material in three fields of optical transmission, optical storage and photoelectric display is more rapid and rapid, and the optical glass becomes one of the basic conditions for the development of social informatization, particularly photoelectric information technology.
In each processing process of the optical glass, cleaning treatment is usually required due to the conditions of surface dust, grease, white spots and the like. At present, optical glass tank type ultrasonic cleaning equipment is mainly adopted to sequentially carry out ultrasonic cleaning, rinsing and dehydration drying, but after the cleaning by the existing cleaning device and method, the problems of 7-16% of water stain marks or white points, unstable cleaning yield and high rework rate exist generally.
Disclosure of Invention
Accordingly, it is necessary to provide an optical glass cleaning apparatus and a cleaning method capable of stably and effectively removing dirt such as falling dust, grease, white spots, and the like on the surface of a product.
An optical glass cleaning apparatus comprising:
the ultrasonic washing device comprises a washing tank and a first circulating and filtering component, wherein the washing tank is used for carrying out ultrasonic washing on optical glass, the first circulating and filtering component is used for circularly filtering washing liquid in the washing tank, and the first circulating and filtering component comprises a first activated carbon filter and a first micron filter which are arranged in series;
the ultrasonic rinsing device comprises a rinsing tank and a second circulating and filtering component, wherein the rinsing tank is used for ultrasonically rinsing the optical glass after ultrasonic washing, the second circulating and filtering component is used for circularly filtering rinsing liquid in the rinsing tank, and the second circulating and filtering component comprises a second activated carbon filter and a second micron filter which are arranged in series; and
and the slow-pulling dehydration device is used for performing slow-pulling dehydration on the optical glass subjected to ultrasonic rinsing.
In one embodiment, the slow-pull dewatering device comprises a slow-pull tank and a third circulating filter assembly for circulating and filtering water in the slow-pull tank, wherein the third circulating filter assembly comprises a plurality of third micron filters arranged in series.
In one embodiment, the filtering precision of the first micron filter is 0.2-3 microns; and/or
The filtering precision of the second micron filter is 0.2-3 microns; and/or
The filtering precision of the third micron filter is 0.05-1 micron.
In one embodiment, the first circulation filtering assembly comprises a first activated carbon filter and a plurality of first micron filters which are sequentially arranged in series, and the filtering precision of the first micron filters is sequentially reduced; the second circulating filter assembly comprises a second activated carbon filter and a plurality of second micron filters which are sequentially arranged in series, and the filtering precision of the second micron filters is sequentially reduced; the filtering accuracy of the plurality of third micron filters decreases in sequence.
In one embodiment, the ultrasonic washing device, the ultrasonic rinsing device and the slow-pulling dehydration device all comprise shells, and the washing tank, the rinsing tank and the slow-pulling tank form closed spaces with the corresponding shells;
the shell of at least one of the ultrasonic washing device, the ultrasonic rinsing device and the slow-pull dewatering device also comprises an air purification assembly, and the air purification assembly is a hundred-grade FFU purification unit.
In one embodiment, the slow-pull dewatering device further comprises a water cutting air knife arranged above the slow-pull groove.
In one embodiment, the optical glass cleaning equipment further comprises a water purifying device, wherein the water purifying device is provided with a water outlet, and the water outlet of the water purifying device can be communicated with the liquid inlets of the washing tank, the rinsing tank and the slow-pulling tank.
The water purifying device is used for providing purified water for the washing tank, the rinsing tank and the slow-pulling tank, and further ensuring the cleaning effect of the optical glass.
In one embodiment, the water purifying device comprises a fourth micron filter and an ion mixed bed which are sequentially connected in series; the water outlet of the ion mixing bed can be communicated with the liquid inlets of the washing tank, the rinsing tank and the slow-pulling tank.
In one embodiment, the optical glass cleaning equipment further comprises a cleaning basket for loading optical glass and transferring between the ultrasonic washing device, the ultrasonic rinsing device or the slow-drawing dehydration device; the surface energy of the limiting cutting of the cleaning basket is more than or equal to 32 mN/m.
The method for cleaning the optical glass by adopting the optical glass cleaning equipment comprises the following steps:
ultrasonically washing the optical glass by adopting the ultrasonic washing device;
carrying out ultrasonic rinsing on the optical glass subjected to ultrasonic washing by using the ultrasonic rinsing device;
and (3) carrying out slow-drawing dehydration on the optical glass subjected to ultrasonic rinsing by adopting the slow-drawing dehydration device.
In one embodiment, the number of particles suspended in the washing liquid used in the ultrasonic washing is less than or equal to 300/ml.
According to the optical glass cleaning equipment and the cleaning method, the optical glass is sequentially subjected to ultrasonic washing, ultrasonic rinsing and slow-pull dehydration by adopting the ultrasonic washing device, the ultrasonic rinsing device and the slow-pull dehydration device to remove surface dirt, wherein suspended impurities such as organic matters (such as grease and colloid) and dust in the washing liquid and the rinsing liquid can be effectively filtered by respectively arranging the activated carbon filter and the micron filter which are connected in series in the washing tank and the rinsing tank, so that the cleaning of the washing liquid and the rinsing liquid is ensured, the micron filters are arranged in series in the slow-pull tank, the cleaning of water in the slow-pull tank is ensured, the problem that the surface of a product is not clean due to the pollution of the washing liquid or the rinsing liquid or the water in the slow-pull tank in the optical glass cleaning process is avoided, and therefore the dirt such as dust, grease, white dots and the like on the surface of the product can be stably and effectively removed.
Drawings
Fig. 1 is a schematic structural diagram of an optical glass cleaning apparatus according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present, unless otherwise specified. It will also be understood that when an element is referred to as being "between" two elements, it can be the only one between the two elements, or one or more intervening elements may also be present.
Where the terms "comprising," "having," and "including" are used herein, another element may be added unless an explicit limitation is used, such as "only," "consisting of … …," etc. Unless mentioned to the contrary, terms in the singular may include the plural and are not to be construed as being one in number.
It will also be understood that when interpreting elements, although not explicitly described, the elements are to be interpreted as including a range of errors which are within the acceptable range of deviation of the particular values as determined by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, without limitation.
Furthermore, the drawings are not 1: 1, and the relative dimensions of the various elements in the figures are drawn for illustration only and not necessarily to true scale.
Fig. 1 is a schematic structural diagram of an optical glass cleaning apparatus according to an embodiment of the present invention. For the purpose of illustration, the drawings show only the structures associated with embodiments of the invention.
Referring to fig. 1, a glass cleaning apparatus 10 according to an embodiment of the present invention includes an ultrasonic washing device 110, an ultrasonic rinsing device 120, and a slow-drawing dehydration device 130.
The ultrasonic washing device 110 comprises a washing tank 111 for performing ultrasonic washing on the optical glass and a first circulating filter assembly 113 for performing circulating filtration on washing liquid in the washing tank 111, wherein the first circulating filter assembly 113 comprises an activated carbon filter 1131 and a first micron filter 1133 which are arranged in series. So, establish ties through the multi-stage filter, can realize the loop filter to the washing liquid in the sink 111, effectively filter out in the washing liquid if organic matters such as grease, colloid to and suspended impurity such as dust, guarantee that the washing liquid is clean, thereby avoid absorption on optical glass's surface such as grease, colloid in the washing process, can play the washing effect effectively.
The ultrasonic rinsing device 120 comprises a rinsing tank 121 for performing ultrasonic rinsing on the optical glass after ultrasonic washing, and a second circulating and filtering assembly 123 for performing circulating and filtering on rinsing liquid in the rinsing tank 121, wherein the second circulating and filtering assembly 123 comprises a second activated carbon filter 1231 and a second micron filter 1233 which are arranged in series. Therefore, the cleanness of the rinsing liquid can be ensured, and the surface of the optical glass can be well rinsed.
The slow-drawing dehydration device 130 is used for performing slow-drawing dehydration on the optical glass after ultrasonic rinsing.
Thus, the optical glass is sequentially washed, rinsed and slowly drawn and dehydrated in the ultrasonic washing device 110, the ultrasonic rinsing device 120 and the slowly drawn and dehydrated device 130, so that dirt such as dust, grease and the like on the surface of the optical glass is removed, and the surface of a product is clean and free of dirt such as water stains, white spots and the like.
In one embodiment, the slow-pull dewatering device 130 comprises a slow-pull tank 131 and a third circulating filter assembly 133 for circulating and filtering water in the slow-pull tank 131, and the third circulating filter assembly 133 comprises a plurality of third micron filters 1311 arranged in series.
In this embodiment, the first circulation filter assembly 113 is installed in the washing tank 111, and is communicated with the washing tank 111, and is used for circulating and filtering the washing liquid in the washing tank 111. In other embodiments, the first circulation filtering assembly can be installed outside the washing tank and is communicated with the washing tank to circularly filter the washing liquid in the washing tank. Also, the second circulation filter assembly 123 and the third circulation filter assembly 133 may be installed in the same manner with reference to the first circulation filter assembly 112. The specific installation mode can be selected according to the size of the inner space of the trough body and the convenience of operation.
In some embodiments, the first and second micron filters 1133 and 1311 each have a filtration precision of 0.2 to 3 microns, and the third micron filter has a filtration precision of 0.05 to 1 micron.
In some embodiments, the first loop filter assembly 113 includes an activated carbon filter 1131 and a plurality of first micron filters 1133 arranged in series. It is understood that the number of the first micron filters 1133 is 2 or more, and the filtering accuracy of the first micron filters may be the same or different from each other.
In some embodiments, the filtration precision of the plurality of first micron filters 1133 decreases sequentially, i.e., the filtration pore size of the first micron filters decreases sequentially. In this particular embodiment, the first recirculating filter assembly 113 includes 3 micron filters of different filter fineness, in the order of a 2 micron filter, a 1 micron filter, and a 0.5 micron filter, where the 2 micron filter is in communication with the activated carbon filter 1131. So, earlier through organic matter impurity, colloid and some granule suspension impurity in the active carbon filter 1131 filtering washing liquid, be 2 microns, 1 micron, the multistage micron filter of 0.5 micron through the filter fineness in proper order again and effectively filter granule suspension impurity, can be with the interior suspended particle control of washing liquid at being less than or equal to 300/ml through circulation filtration, avoid leading to too much the problem that can't play good cleaning because of the pollutant in the filter capacity is not enough in the washing liquid.
In some embodiments, the second loop filter assembly 123 includes an activated carbon filter 1231 and a plurality of second micron filters 1233 arranged in series.
In some embodiments, the filtration precision of the plurality of second micron filters 1233 decreases sequentially. In this embodiment, the first circulation filter assembly 123 includes 3 micron filters with different filtering precisions, namely a 2 micron filter, a 1 micron filter and a 0.5 micron filter, wherein the 2 micron filter is disposed between the activated carbon filter 1231 and the 1 micron filter.
In some embodiments, the filtration precision of the plurality of third filters 1311 of the third loop filter assembly 133 decreases in sequence. In this particular embodiment, the third recirculating filter assembly 133 includes three third micron filters, in this order, a 0.5 micron filter, a 0.2 micron filter, and a 0.1 micron filter, disposed in series. Therefore, the water in the slow-pulling groove can be kept in a pure water state, and the cleaning effect is improved.
In some embodiments, the ultrasonic washing apparatus 110 has an ultrasonic generator (not shown) and an ultrasonic transducer (not shown) mounted on the inner wall of the washing tank 111; an ultrasonic generator (not shown) and an ultrasonic transducer (not shown) are also installed on the inner wall of the rinsing tank 121 of the ultrasonic rinsing apparatus 120.
In some embodiments, the slow-pull dewatering device 130 further includes a bracket (not shown) disposed in the slow-pull trough 131, and a lifting transmission mechanism (not shown) disposed beside the slow-pull trough and connected to the bracket. The bracket is used for bearing the optical glass, and the lifting transmission mechanism is used for slowly pulling the optical glass.
In some embodiments, the ultrasonic washing device 110, the ultrasonic rinsing device 120 and the slow-pull dewatering device 130 each include a housing, the washing tank 111, the rinsing tank 121 and the slow-pull tank 131 form a closed space with the corresponding housing, and an air purification assembly is disposed in the housing of the ultrasonic washing device, the ultrasonic rinsing device 120 and/or the slow-pull dewatering device 130.
In this embodiment, the air cleaning assembly is disposed above the tank body of the washing apparatus, for example, the first air cleaning assembly 112 is disposed above the washing tank 111, the second air cleaning assembly 122 is disposed above the rinsing tank 121, and the third air cleaning assembly 132 is disposed above the slow-pulling tank 131. It is understood that the first air cleaning assembly 112 is disposed above the washing tank 111, which means that the first air cleaning assembly 112 is directly or obliquely above the washing tank 111. Preferably, the first air cleaning assembly 112 is directly above the washing tub 111.
Therefore, the optical glass is in a closed and clean environment when being cleaned in the ultrasonic cleaning device 110, the ultrasonic rinsing device 120 and the slow-pulling dewatering device 130, so that the optical glass is isolated from impurities such as dust in the air, the pollution of the cleaning liquid caused by the fact that the dust impurities in the air fall into the cleaning liquid can be effectively avoided, and the pollution of the surface of the glass caused by the fact that the optical glass adsorbs the dust in the air is avoided.
Further, the first air purification assembly 112, the second air purification assembly 122 and the third air purification assembly 132 are all hundred-grade FFU purification units. The hundred-grade FFFU purification unit can suck air from the top and filter the air through the primary filter and the high-efficiency filter of the hundred-grade FFU purification unit, the filtered clean air is sent out at a constant speed of 0.45M/S +/-20% of the air speed on the whole air outlet surface, the air in the cleaning equipment is kept to be in positive pressure while the air in the cleaning equipment is kept to be clean, and the dust prevention and cleaning capacity of the cleaning equipment is improved.
In some embodiments, the slow-pull dewatering device 130 further comprises a water-cutting air knife 135 disposed above the slow-pull trough 131. Thus, the dewatering capacity of the slow-drawing dewatering can be improved.
In this embodiment, the water-cutting air knife 135 is a nitrogen water-cutting air knife.
In some embodiments, the optical glass cleaning apparatus 10 further includes a drying device 140 for drying the optical glass after the slow drawing and dehydration.
In some embodiments, the drying device 140 is a nitrogen drying device.
In some embodiments, the optical glass cleaning apparatus 10 further comprises a water purifying device 150, and a water outlet of the water purifying device 150 can be communicated with the liquid inlets of the washing tank 111, the rinsing tank 121 and the slow-pulling tank 131. Thus, it is used to supply purified water to the washing tank 111, the rinsing tank 121, and the slow-pulling tank 131.
Further, the water purifying device 150 comprises a fourth micron filter 151 and an ion mixing bed 153 which are arranged in series, wherein the water outlet of the ion mixing bed 153 can be communicated with the liquid inlets of the washing tank 111, the rinsing tank 121 and the slow-pulling tank 131. It is understood that the ion mixing bed 153 is in communication with the washing tank 111, which means that the ion mixing bed 153 and the washing tank 111 can be in direct communication, and other mechanisms, such as a water pump, a control valve, a liquid flow meter, etc., can be arranged between the two for selectively communicating.
Therefore, the water for cleaning the optical glass is firstly subjected to fine filtration by the micron filter 151 to remove particle suspended impurities in the water, and then is subjected to exchange by the ion mixing bed 153 to obtain highly pure water with a pH value close to neutral, and the effluent water quality is stable, so that pure water with excellent water quality can be stably provided for the washing tank 111, the rinsing tank 121 and the slow-pulling tank 131, and the cleaning effect is improved.
In some embodiments, the fourth micron filter 151 has a filter fineness of 0.05 microns to 0.1 microns. In this embodiment, the fourth micron filter 151 has a filter fineness of 0.1 micron.
In some embodiments, the optical glass cleaning apparatus further comprises a cleaning basket (not shown) for loading the optical glass and transferring between the ultrasonic washing device 110, the ultrasonic rinsing device 120, the slow-drawing dehydration device 130 or the drying device 140.
In some embodiments, the surface energy of the position limiting slips of the cleaning basket is more than or equal to 32 mN/m. So, the water droplet condenses in the draw-in groove that can furthest's reduction cleaning basket to reduce the spacing cutting of cleaning basket and the seal of an optical glass edge contact position.
In some embodiments, the limiting inserts of the cleaning basket are made of nylon or plastic.
Based on the same inventive concept, an embodiment of the present invention further provides an optical glass cleaning method, including the following steps S1 to S4:
s1: and (3) ultrasonically washing the optical glass in a washing liquid, wherein the washing liquid in the ultrasonic washing process is subjected to circulating filtration by an activated carbon filter and a micron filter.
Specifically, an ultrasonic washing device is adopted to carry out ultrasonic washing treatment on the optical glass; the ultrasonic washing device is used for carrying out ultrasonic washing on optical glass and a first circulating filter assembly for circularly filtering washing liquid in the washing tank, and the first circulating filter assembly comprises a first activated carbon filter and a first micron filter which are connected in series.
Furthermore, the number of the suspended particles in the washing liquid adopted in the ultrasonic washing is less than or equal to 300/ml.
S2: and ultrasonically rinsing the ultrasonically washed optical glass in water, wherein the rinsing liquid in the ultrasonic rinsing process is subjected to circulating filtration by an activated carbon filter and a micron filter.
Specifically, an ultrasonic rinsing device is adopted to carry out ultrasonic rinsing treatment on the optical glass; the ultrasonic rinsing device comprises a rinsing tank and a second circulating and filtering assembly, wherein the rinsing tank is used for performing ultrasonic rinsing on the optical glass after ultrasonic washing, the second circulating and filtering assembly is used for circularly filtering rinsing liquid in the rinsing tank, and the second circulating and filtering assembly comprises a second activated carbon filter and a second micron filter which are arranged in series.
S3: and (4) carrying out slow-drawing dehydration treatment on the optical glass subjected to ultrasonic rinsing in water.
Specifically, a slow-drawing dehydration device is adopted for carrying out slow-drawing dehydration treatment; wherein, draw dewatering device slowly including draw the groove slowly and be used for carrying out the third circulation filter assembly of circulation filtration to the water in drawing the groove slowly, third circulation filter assembly includes a plurality of third micron filters that the series connection set up.
S4: and drying the optical glass subjected to slow drawing dehydration.
Specifically, a drying device is adopted to dry the optical glass subjected to slow-drawing dehydration treatment. Preferably, the drying device is a nitrogen drying device.
It is understood that the optical glass cleaning method can be performed by using the optical glass cleaning apparatus.
The optical glass cleaning equipment 10 and the optical glass cleaning method provided by the invention have the following beneficial effects:
the optical glass cleaning equipment 10 and the method are adopted for cleaning the optical glass, firstly, the optical glass is sequentially subjected to ultrasonic cleaning, ultrasonic rinsing and slow-drawing dehydration by adopting the ultrasonic cleaning device 110, the ultrasonic rinsing device 120 and the slow-drawing dehydration device 130 to remove surface dirt, and then surface moisture is dried in the drying device 140, wherein the cleaning tank 111 and the rinsing tank 121 are respectively provided with the activated carbon filter and the at least one micron filter which are connected in series, so that suspended impurities such as organic matters (such as grease, colloid) and dust in the cleaning solution and the rinsing solution can be effectively filtered, the cleaning of the cleaning solution and the rinsing solution is ensured, the plurality of micron filters are designed in the slow-drawing tank 131, the cleaning of water in the slow-drawing tank is ensured, the problem that the surface of the product is not clean due to the pollution of the cleaning solution or the rinsing solution or the water in the slow-drawing tank in the cleaning process of the optical glass is avoided, and therefore the dust falling, dirt, dust and water on the surface of the product can be stably and effectively removed, Dirt such as grease and white spots.
By adopting the optical glass cleaning equipment and the method provided by the embodiment of the invention to clean the optical glass, the water mark and the white point on the cleaned optical glass and the mark of the contact part of the limiting inserting strip of the cleaning basket and the edge of the optical glass are reduced to 3%, the cleaning yield is stable, and the rework rate is low.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An optical glass cleaning apparatus, comprising:
the ultrasonic washing device comprises a washing tank and a first circulating and filtering component, wherein the washing tank is used for carrying out ultrasonic washing on optical glass, the first circulating and filtering component is used for circularly filtering washing liquid in the washing tank, and the first circulating and filtering component comprises a first activated carbon filter and a first micron filter which are arranged in series;
the ultrasonic rinsing device comprises a rinsing tank and a second circulating and filtering component, wherein the rinsing tank is used for ultrasonically rinsing the optical glass after ultrasonic washing, the second circulating and filtering component is used for circularly filtering rinsing liquid in the rinsing tank, and the second circulating and filtering component comprises a second activated carbon filter and a second micron filter which are arranged in series; and
the slow-pulling dehydration device is used for performing slow-pulling dehydration on the optical glass subjected to ultrasonic rinsing;
the slow-pulling dehydration device comprises a slow-pulling groove and a third circulating filter assembly for circularly filtering water in the slow-pulling groove, and the third circulating filter assembly comprises a plurality of third micron filters which are arranged in series;
the ultrasonic washing device, the ultrasonic rinsing device and the slow-pulling dehydration device respectively comprise shells, and the washing tank, the rinsing tank and the slow-pulling tank form closed spaces with the corresponding shells;
the shell of at least one of the ultrasonic washing device, the ultrasonic rinsing device and the slow-pull dewatering device also comprises an air purification assembly, and the air purification assembly is a hundred-grade FFU purification unit;
the optical glass cleaning equipment further comprises a water purifying device, wherein the water purifying device is provided with a water outlet, and the water outlet of the water purifying device can be communicated with the liquid inlets of the washing tank, the rinsing tank and the slow-pulling tank.
2. The optical glass cleaning apparatus according to claim 1, wherein the first micron filter has a filtering precision of 0.2 to 3 microns; and/or
The filtering precision of the second micron filter is 0.2 to 3 microns; and/or
The filtering precision of the third micron filter is 0.05 micron-1 micron.
3. The optical glass cleaning apparatus according to claim 1, wherein the first circulating filter assembly includes a first activated carbon filter and a plurality of the first micron filters arranged in series in this order, and the filtering accuracy of the plurality of the first micron filters is reduced in this order.
4. The optical glass cleaning apparatus according to claim 1, wherein the second circulating filter assembly includes a second activated carbon filter and a plurality of second micron filters sequentially arranged in series, and the filtering accuracy of the plurality of second micron filters is sequentially decreased.
5. The optical glass cleaning apparatus according to claim 1, wherein the filtering precision of the plurality of third micron filters is sequentially decreased.
6. The optical glass cleaning device according to claim 1, wherein the slow-drawing dehydration device further comprises a water-cutting air knife arranged above the slow-drawing groove.
7. The optical glass cleaning device according to claim 1, wherein the water purification apparatus comprises a fourth micron filter and an ion mixing bed sequentially arranged in series; the water outlet of the ion mixing bed can be communicated with the liquid inlets of the washing tank, the rinsing tank and the slow-pulling tank.
8. The optical glass cleaning equipment according to any one of claims 1 to 7, further comprising a cleaning basket for loading optical glass and transferring between the ultrasonic washing device, the ultrasonic rinsing device or the slow-drawing dehydration device; the surface energy of the limiting inserting strips of the cleaning basket is more than or equal to 32 mN/m.
9. A method for cleaning optical glass, characterized in that the optical glass is cleaned by using the optical glass cleaning equipment according to any one of claims 1 to 8, and the method comprises the following steps:
ultrasonically washing the optical glass by adopting the ultrasonic washing device;
carrying out ultrasonic rinsing on the optical glass subjected to ultrasonic washing by using the ultrasonic rinsing device;
and (3) carrying out slow-drawing dehydration on the optical glass subjected to ultrasonic rinsing by adopting the slow-drawing dehydration device.
10. The method for cleaning optical glass according to claim 9, wherein the number of particles suspended in the cleaning solution used for the ultrasonic cleaning is 300/ml or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010787550.8A CN112058793B (en) | 2020-08-07 | 2020-08-07 | Optical glass cleaning equipment and cleaning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010787550.8A CN112058793B (en) | 2020-08-07 | 2020-08-07 | Optical glass cleaning equipment and cleaning method |
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| Publication Number | Publication Date |
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| CN112058793A CN112058793A (en) | 2020-12-11 |
| CN112058793B true CN112058793B (en) | 2022-05-20 |
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| CN202010787550.8A Active CN112058793B (en) | 2020-08-07 | 2020-08-07 | Optical glass cleaning equipment and cleaning method |
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