CN111948184A - Method for searching equipment abrasion by using fluorescent indicator as indicator - Google Patents
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- CN111948184A CN111948184A CN202010817096.6A CN202010817096A CN111948184A CN 111948184 A CN111948184 A CN 111948184A CN 202010817096 A CN202010817096 A CN 202010817096A CN 111948184 A CN111948184 A CN 111948184A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N21/643—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" non-biological material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N2021/6417—Spectrofluorimetric devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N2021/6432—Quenching
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N2021/6439—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" with indicators, stains, dyes, tags, labels, marks
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Abstract
The invention provides a method for searching equipment abrasion by using a fluorescent indicator as an indicator, which comprises the following specific steps: s1, preparing a fluorescent indicator and putting the fluorescent indicator into a spraying tool; s2, stopping running and powering off the equipment; s3, uniformly spraying a layer of fluorescent indicator on a possibly worn area in the equipment, detecting whether the spraying is missed or not by using an ultraviolet lamp after the equipment is dried completely, and shooting pictures or videos for subsequent comparison; s4, filling brand new filter cotton into the corresponding area sprayed with the fluorescent indicator, firstly checking whether the filter cotton has a fluorescent reaction during equipment maintenance or inspection, and if the fluorescent reaction occurs, checking the abrasion part of the corresponding position of the equipment through the position of the fluorescent reaction. The method has simple operation and low cost, can quickly know the abrasion condition by spraying the fluorescent indicator at the equipment and matching the filter cotton at the lower part, does not need to greatly modify the existing equipment, and has high popularization and application values.
Description
Technical Field
The invention belongs to the field of equipment manufacturing and maintenance, and particularly relates to a method for searching equipment abrasion by using a fluorescent indicator as an indicator.
Background
The equipment is an important material condition for enterprise production, and enterprises must spend certain investment for purchasing various equipment for production. During use, the equipment is subject to various wear and tear over time, one of which is predictable, such as bearing-type, transmission-type components, i.e., slowly wearing away over time, an uncontrolled, e.g., entry of foreign matter or abnormal impact between the drive mechanisms, for example, the main body of the trigger for collecting and releasing the circuit board industry is an inverted mechanical arm which is connected with a sucker to suck the PCB for placement, during the operation process, the external vacuum tube may rub against the arm for various reasons, generally the method adopted is to fix the vacuum tube or increase the cloth cover, actually along with the increase of the operation time, the abrasion dust will be generated to pollute the board surface to cause quality problems, the difficulty here is that when slight abrasion occurs, whether abrasive dust occurs or not cannot be known in time, the occurring position of the slight abrasion cannot be located quickly, and the influence of the generated abrasive dust on the product quality cannot be eliminated.
Disclosure of Invention
In view of the above, the invention provides a method for searching equipment abrasion by using a fluorescent indicator as an indicator, the method is simple to operate and low in cost, the abrasion condition can be quickly known by spraying the fluorescent indicator on the equipment and matching the filter cotton at the lower part, the existing equipment does not need to be greatly modified, and the method has high popularization and application values.
The technical scheme of the invention is as follows:
a method for searching for equipment abrasion by using a fluorescent indicator as an indicator is characterized by comprising the following specific steps:
s1, preparing a fluorescent indicator and putting the fluorescent indicator into a spraying tool;
s2, stopping running and powering off the equipment;
s3, uniformly spraying a layer of fluorescent indicator on a possibly worn area in the equipment, detecting whether the spraying is missed or not by using an ultraviolet lamp after the equipment is dried completely, and shooting pictures or videos for subsequent comparison;
s4, filling brand new filter cotton into the corresponding area sprayed with the fluorescent indicator, firstly checking whether the filter cotton has a fluorescent reaction during equipment maintenance or inspection, and if the fluorescent reaction occurs, checking the abrasion part of the corresponding position of the equipment through the position of the fluorescent reaction.
The invention can realize visual equipment abrasion condition, the fluorescent indicator is matched with the filter cotton, if abrasion occurs, the corresponding filter cotton can have fluorescent reaction, and thus, whether abrasion occurs or not can be known.
Further, the apparatus has a ventilation and dust removal system.
Further, in step S4, if the device is worn, the abrasive dust will fall downward, and under the action of the ventilation and dust removal system, the abrasive dust will be eliminated so that the product inside the device will not adsorb the abrasive dust, and the abrasive dust will be collected on the filter cotton at the air outlet along with the wind.
The invention can quickly position the position where slight abrasion occurs, after the area which is possibly abraded is sprayed with the fluorescent indicator, whether the filter cotton has fluorescent reaction is firstly checked to judge whether the equipment is abraded, then the corresponding position area where abrasion occurs is determined by the fluorescent substance on the filter cotton, and then the specific abrasion occurring position is determined by ultraviolet irradiation.
Further, in step S3, if the device has no ventilation and dust removal system, a dust-sticking paper is laid on the area below the fluorescent indicator.
Further, in step S4, if the device has no ventilation and dust removal system, the grinding dust will fall on the dust-binding paper placed at the bottom.
Further, the area where the wear is likely to occur is a transmission area, and the transmission area comprises any one of a mechanical arm, an external vacuum tube and a sucker; but is not limited thereto.
The invention can effectively eliminate the influence of abrasive dust on the product quality, eliminate the static electricity of the product through the ventilation and dust removal system matched with the equipment, reduce the adsorption of the abrasive dust and blow away the abrasive dust; or the generated abrasive dust is adsorbed by the dust-sticking paper.
Further, the fluorescent indicator comprises the following components in parts by weight: 40-55 parts of SrO, 320-38 parts of B2O, 54-8 parts of P2O, 31-5 parts of Gd2O, 25-36 parts of MgO, 31.5-2.5 parts of La2O31 and 80-110 parts of waterborne polyurethane adhesive.
Further, the fluorescent indicator comprises the following components in parts by weight: 45-52 parts of SrO, 324-33 parts of B2O, 55-7 parts of P2O, 32-4 parts of Gd2O, 29-34 parts of MgO, 31.8-2.3 parts of La2O31 and 90-100 parts of waterborne polyurethane adhesive.
Further, the fluorescent indicator comprises the following components in parts by weight: SrO 48, B2O 327, P2O56.2, Gd2O32.9, MgO 32, La2O32.1 and aqueous polyurethane adhesive 94.
Further, the preparation method of the fluorescent indicator comprises the following steps: weighing raw materials according to the weight part ratio, grinding SrO, B2O3, P2O5, Gd2O3, MgO and La2O3, uniformly stirring, placing in a silicon-carbon rod electric furnace at 700-1100 ℃ for high-temperature ignition for 2-3 hours, cooling, taking out, crushing, ball-milling and sieving with a 350-mesh sieve to obtain ultraviolet fluorescent powder, mixing the ultraviolet fluorescent powder into an aqueous polyurethane adhesive, and uniformly dispersing at high speed to obtain the fluorescent indicator.
In the invention, the fluorescent indicator takes strontium tetraborate as a main crystal phase, the fluorescent powder can emit 290-320nm high-intensity medium-wave ultraviolet band spectrum under the excitation of 254nm ultraviolet light, and the production and use processes cannot cause environmental pollution due to the existence of no lead in the formula. The introduction of lanthanum can reduce the quenching effect caused by overhigh gadolinium content, thereby improving the luminous intensity of the fluorescent powder; the fluorescent indicator can be adhered and fixed on the surface of the equipment by using the water-based polyurethane adhesive as a solvent.
The method has simple operation and low cost, can quickly know the abrasion condition by spraying the fluorescent indicator at the equipment and matching the filter cotton at the lower part, does not need to greatly modify the existing equipment, and has high popularization and application values.
Drawings
FIG. 1 is a schematic diagram of the structure of the apparatus used in the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A method for searching for equipment abrasion by using a fluorescent indicator as an indicator is characterized by comprising the following specific steps:
s1, preparing a fluorescent indicator and putting the fluorescent indicator into a spraying tool;
s2, stopping running and powering off the equipment;
s3, uniformly spraying a layer of fluorescent indicator on a possibly worn area in the equipment, detecting whether the spraying is missed or not by using an ultraviolet lamp after the equipment is dried completely, and shooting pictures or videos for subsequent comparison;
s4, filling the brand-new filter cotton 1 into the corresponding area sprayed with the fluorescent indicator, firstly checking whether the filter cotton has a fluorescent reaction during equipment maintenance or inspection, and if the fluorescent reaction occurs, checking the wear part of the corresponding position of the equipment through the position of the fluorescent reaction.
The invention can realize visual equipment abrasion condition, the fluorescent indicator is matched with the filter cotton, if abrasion occurs, the corresponding filter cotton can have fluorescent reaction, and thus, whether abrasion occurs or not can be known.
Further, the apparatus has a ventilation and dust removal system 2.
Further, in step S4, if the device is worn, the abrasive dust will fall downward, and under the action of the ventilation and dust removal system, the abrasive dust will be eliminated so that the product inside the device will not adsorb the abrasive dust, and the abrasive dust will be collected on the filter cotton at the air outlet along with the wind.
The invention can quickly position the position where slight abrasion occurs, after the area which is possibly abraded is sprayed with the fluorescent indicator, whether the filter cotton has fluorescent reaction is firstly checked to judge whether the equipment is abraded, then the corresponding position area where abrasion occurs is determined by the fluorescent substance on the filter cotton, and then the specific abrasion occurring position is determined by ultraviolet irradiation.
Further, in step S3, if the device has no ventilation and dust removal system, a dust-sticking paper is laid on the area below the fluorescent indicator.
Further, in step S4, if the device has no ventilation and dust removal system, the grinding dust will fall on the dust-binding paper placed at the bottom.
Further, the area where the wear is likely to occur is a transmission area, and the transmission area comprises any one of a mechanical arm, an external vacuum tube and a sucker; but is not limited thereto.
The invention can effectively eliminate the influence of the abrasive dust on the quality of the product 3, eliminate the static electricity of the product through the ventilation and dust removal system matched with the equipment, reduce the adsorption of the abrasive dust and blow away the abrasive dust; or the generated abrasive dust is adsorbed by the dust-sticking paper.
Further, the fluorescent indicator comprises the following components in parts by weight: SrO 48, B2O 327, P2O56.2, Gd2O32.9, MgO 32, La2O32.1 and aqueous polyurethane adhesive 94.
Further, the preparation method of the fluorescent indicator comprises the following steps: weighing raw materials according to the weight part ratio, grinding SrO, B2O3, P2O5, Gd2O3, MgO and La2O3, uniformly stirring, placing in a 900 ℃ silicon-carbon rod electric furnace, igniting for 2.5 hours at high temperature, cooling, taking out, crushing, ball-milling, sieving with a 350-mesh sieve to obtain ultraviolet fluorescent powder, mixing the ultraviolet fluorescent powder into an aqueous polyurethane adhesive, and uniformly dispersing at high speed to obtain the fluorescent indicator.
In the invention, the fluorescent indicator takes strontium tetraborate as a main crystal phase, the fluorescent powder can emit 290-320nm high-intensity medium-wave ultraviolet band spectrum under the excitation of 254nm ultraviolet light, and the production and use processes cannot cause environmental pollution due to the existence of no lead in the formula. The introduction of lanthanum can reduce the quenching effect caused by overhigh gadolinium content, thereby improving the luminous intensity of the fluorescent powder; the fluorescent indicator can be adhered and fixed on the surface of the equipment by using the water-based polyurethane adhesive as a solvent.
The method has simple operation and low cost, can quickly know the abrasion condition by spraying the fluorescent indicator at the equipment and matching the filter cotton at the lower part, does not need to greatly modify the existing equipment, and has high popularization and application values.
Example 2
This example provides the same method as example 1 for finding wear of equipment using a fluorescent indicator as an indicator, except that the fluorescent indicator comprises the following components in parts by weight: SrO 40-55, B2O 321, P2O 54, Gd2O31.5, MgO 27, La2O31.7 and aqueous polyurethane adhesive 85.
Further, the preparation method of the fluorescent indicator comprises the following steps: weighing raw materials according to the weight part ratio, grinding SrO, B2O3, P2O5, Gd2O3, MgO and La2O3, uniformly stirring, placing in a silicon-carbon rod electric furnace at 750 ℃, igniting for 2.2 hours at high temperature, cooling, taking out, crushing, ball-milling, sieving with a 350-mesh sieve to obtain ultraviolet fluorescent powder, mixing the ultraviolet fluorescent powder into an aqueous polyurethane adhesive, and uniformly dispersing at high speed to obtain the fluorescent indicator.
In the invention, the fluorescent indicator takes strontium tetraborate as a main crystal phase, the fluorescent powder can emit 290-320nm high-intensity medium-wave ultraviolet band spectrum under the excitation of 254nm ultraviolet light, and the production and use processes cannot cause environmental pollution due to the existence of no lead in the formula. The introduction of lanthanum can reduce the quenching effect caused by overhigh gadolinium content, thereby improving the luminous intensity of the fluorescent powder; the fluorescent indicator can be adhered and fixed on the surface of the equipment by using the water-based polyurethane adhesive as a solvent.
Example 3
This example provides the same method as example 1 for finding wear of equipment using a fluorescent indicator as an indicator, except that the fluorescent indicator comprises the following components in parts by weight: SrO 52, B2O 335, P2O 57, Gd2O 34, MgO 31, La2O32.2 and the aqueous polyurethane adhesive 105.
Further, the preparation method of the fluorescent indicator comprises the following steps: weighing raw materials according to the weight part ratio, grinding SrO, B2O3, P2O5, Gd2O3, MgO and La2O3, uniformly stirring, placing in a silicon-carbon rod electric furnace at 1000 ℃ for high-temperature ignition for 2.8 hours, cooling, taking out, crushing, ball-milling, and sieving with a 350-mesh sieve to obtain ultraviolet fluorescent powder, mixing the ultraviolet fluorescent powder into an aqueous polyurethane adhesive, and uniformly dispersing at high speed to obtain the fluorescent indicator.
In the invention, the fluorescent indicator takes strontium tetraborate as a main crystal phase, the fluorescent powder can emit 290-320nm high-intensity medium-wave ultraviolet band spectrum under the excitation of 254nm ultraviolet light, and the production and use processes cannot cause environmental pollution due to the existence of no lead in the formula. The introduction of lanthanum can reduce the quenching effect caused by overhigh gadolinium content, thereby improving the luminous intensity of the fluorescent powder; the fluorescent indicator can be adhered and fixed on the surface of the equipment by using the water-based polyurethane adhesive as a solvent.
Example 4
This example provides the same method as example 1 for finding wear of equipment using a fluorescent indicator as an indicator, except that the fluorescent indicator comprises the following components in parts by weight: SrO 45, B2O 324, P2O 55, Gd2O 32, MgO 29, La2O31.8 and aqueous polyurethane adhesive 90.
Further, the preparation method of the fluorescent indicator comprises the following steps: weighing raw materials according to the weight part ratio, grinding SrO, B2O3, P2O5, Gd2O3, MgO and La2O3, uniformly stirring, placing in a silicon-carbon rod electric furnace at 800 ℃ for high-temperature ignition for 2 hours, cooling, taking out, crushing, ball-milling, sieving with a 350-mesh sieve to obtain ultraviolet fluorescent powder, mixing the ultraviolet fluorescent powder into a water-based polyurethane adhesive, and uniformly dispersing at high speed to obtain the fluorescent indicator.
In the invention, the fluorescent indicator takes strontium tetraborate as a main crystal phase, the fluorescent powder can emit 290-320nm high-intensity medium-wave ultraviolet band spectrum under the excitation of 254nm ultraviolet light, and the production and use processes cannot cause environmental pollution due to the existence of no lead in the formula. The introduction of lanthanum can reduce the quenching effect caused by overhigh gadolinium content, thereby improving the luminous intensity of the fluorescent powder; the fluorescent indicator can be adhered and fixed on the surface of the equipment by using the water-based polyurethane adhesive as a solvent.
Example 5
This example provides the same method as example 1 for finding wear of equipment using a fluorescent indicator as an indicator, except that the fluorescent indicator comprises the following components in parts by weight: SrO 52, B2O 333, P2O 57, Gd2O 34, MgO 34, La2O32.3 and the aqueous polyurethane adhesive 100.
Further, the preparation method of the fluorescent indicator comprises the following steps: weighing raw materials according to the weight part ratio, grinding SrO, B2O3, P2O5, Gd2O3, MgO and La2O3, uniformly stirring, placing in a silicon-carbon rod electric furnace at 950 ℃ for high-temperature ignition for 3 hours, cooling, taking out, crushing, ball-milling, sieving with a 350-mesh sieve to obtain ultraviolet fluorescent powder, mixing the ultraviolet fluorescent powder into a water-based polyurethane adhesive, and uniformly dispersing at high speed to obtain the fluorescent indicator.
In the invention, the fluorescent indicator takes strontium tetraborate as a main crystal phase, the fluorescent powder can emit 290-320nm high-intensity medium-wave ultraviolet band spectrum under the excitation of 254nm ultraviolet light, and the production and use processes cannot cause environmental pollution due to the existence of no lead in the formula. The introduction of lanthanum can reduce the quenching effect caused by overhigh gadolinium content, thereby improving the luminous intensity of the fluorescent powder; the fluorescent indicator can be adhered and fixed on the surface of the equipment by using the water-based polyurethane adhesive as a solvent.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.
Claims (10)
1. A method for searching for equipment abrasion by using a fluorescent indicator as an indicator is characterized by comprising the following specific steps:
s1, preparing a fluorescent indicator and putting the fluorescent indicator into a spraying tool;
s2, stopping running and powering off the equipment;
s3, uniformly spraying a layer of fluorescent indicator on a possibly worn area in the equipment, detecting whether the spraying is missed or not by using an ultraviolet lamp after the equipment is dried completely, and shooting pictures or videos for subsequent comparison;
s4, filling brand new filter cotton into the corresponding area sprayed with the fluorescent indicator, firstly checking whether the filter cotton has a fluorescent reaction during equipment maintenance or inspection, and if the fluorescent reaction occurs, checking the abrasion part of the corresponding position of the equipment through the position of the fluorescent reaction.
2. The method of claim 1, wherein the device has a vented dusting system.
3. The method for searching for the abrasion of the equipment by using the fluorescent indicator as the indicator according to claim 2, wherein in step S4, if the equipment is abraded, the abrasive dust will fall downwards, and will be eliminated under the action of the ventilation and dust removal system, so that the abrasive dust will not be adsorbed by the product inside the equipment, and will be gathered on the filter cotton at the air outlet along with the wind.
4. The method for searching for the abrasion of the equipment by using the fluorescent indicator as the indicator according to claim 1, wherein in step S3, if the equipment has no ventilation and dust removal system, dust-sticking paper is laid on the area below the fluorescent indicator.
5. The method for finding the abrasion of the equipment by using the fluorescent indicator as the indicator according to claim 4, wherein in the step S4, if the equipment is not provided with a ventilation dust removal system, the abrasive dust falls on the dust-sticking paper placed at the bottom.
6. The method for finding the abrasion of the equipment by using the fluorescent indicator as the indicator according to any one of claims 1 to 5, wherein the area where the abrasion is likely to occur is a transmission area, and the transmission area comprises any one of a mechanical arm, an external vacuum tube and a suction cup.
7. The method for finding the abrasion of the equipment by using the fluorescent indicator as the indicator according to claim 1, wherein the fluorescent indicator comprises the following components in parts by weight: 40-55 parts of SrO, 320-38 parts of B2O, 54-8 parts of P2O, 31-5 parts of Gd2O, 25-36 parts of MgO, 31.5-2.5 parts of La2O31 and 80-110 parts of waterborne polyurethane adhesive.
8. The method for finding the abrasion of the equipment by using the fluorescent indicator as the indicator according to claim 7, wherein the fluorescent indicator comprises the following components in parts by weight: 45-52 parts of SrO, 324-33 parts of B2O, 55-7 parts of P2O, 32-4 parts of Gd2O, 29-34 parts of MgO, 31.8-2.3 parts of La2O31 and 90-100 parts of waterborne polyurethane adhesive.
9. The method for finding the abrasion of the equipment by using the fluorescent indicator as the indicator according to claim 8, wherein the fluorescent indicator comprises the following components in parts by weight: SrO 48, B2O 327, P2O56.2, Gd2O32.9, MgO 32, La2O32.1 and aqueous polyurethane adhesive 94.
10. The method for finding the abrasion of the equipment by using the fluorescent indicator as the indicator according to any one of claims 7 to 9, characterized in that the fluorescent indicator is prepared by the following steps: weighing raw materials according to the weight part ratio, grinding SrO, B2O3, P2O5, Gd2O3, MgO and La2O3, uniformly stirring, placing in a silicon-carbon rod electric furnace at 700-1100 ℃ for high-temperature ignition for 2-3 hours, cooling, taking out, crushing, ball-milling and sieving with a 350-mesh sieve to obtain ultraviolet fluorescent powder, mixing the ultraviolet fluorescent powder into an aqueous polyurethane adhesive, and uniformly dispersing at high speed to obtain the fluorescent indicator.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114716267A (en) * | 2022-03-07 | 2022-07-08 | 东莞市唯美陶瓷工业园有限公司 | Ceramic tile with navigation function and manufacturing method thereof |
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Application publication date: 20201117 |