CN112881221B - Method for accurately detecting wear resistance of ceramic glaze - Google Patents
Method for accurately detecting wear resistance of ceramic glaze Download PDFInfo
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- CN112881221B CN112881221B CN202110026053.0A CN202110026053A CN112881221B CN 112881221 B CN112881221 B CN 112881221B CN 202110026053 A CN202110026053 A CN 202110026053A CN 112881221 B CN112881221 B CN 112881221B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/565—Investigating resistance to wear or abrasion of granular or particulate material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/60—Investigating resistance of materials, e.g. refractory materials, to rapid heat changes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0228—Low temperature; Cooling means
Abstract
The invention discloses a method for accurately detecting the wear resistance of a ceramic glaze, which comprises the following steps of; s1: feedstock block preparation → S2: abrasion test → S3: vulcanization abrasion resistance test → S4: grit blast test → S5: thermal shock resistance test → S6: and after the same ceramic glaze test piece is segmented, the three ceramic glazes are subjected to comparative wear resistance detection, the ceramic glaze is detected in a many-to-many mode, the detection precision is high, and the thermal shock resistance and corrosion resistance of the ceramic glaze are additionally increased. According to the invention, three different wear-resisting property detections are carried out on the ceramic glaze, and the thermal shock resistance detection and the corrosion resistance detection of the ceramic glaze are added, so that the detection precision of the wear resistance of the ceramic glaze is effectively improved, the detection error is reduced, and the detection functions are multiple.
Description
Technical Field
The invention relates to the technical field of ceramic glaze detection, in particular to a method for accurately detecting the wear resistance of ceramic glaze.
Background
The glaze is a silicate, the glaze applied on the pottery generally takes quartz, feldspar, clay as raw materials, after grinding, adding water and concocting, coat on the surface of body, roast and melt through certain temperature, when the temperature drops, form the vitreous lamina on the surface of ceramic, it makes pottery increase mechanical strength, thermal stability, dielectric strength and prevent erosion of liquid, gas, the glaze also increases the porcelain esthetically and is easy to wash away, not stained by effects such as the dust;
the vitreous thin layer adhered to the surface of the ceramic body is prepared by mixing mineral raw materials and chemical raw materials according to a certain proportion, finely grinding the mixture into slurry liquid, applying the slurry liquid on the surface of the body, and calcining the slurry liquid at high temperature to obtain the ceramic glaze product.
The prior art has the following defects: the existing ceramic glaze wear resistance detection mode is single, and the detection precision is poor because the wear resistance of the surface of a ceramic glaze block is detected by manually using detection equipment.
Disclosure of Invention
The invention provides a method for accurately detecting the wear resistance of ceramic glaze, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method for accurately detecting the wear resistance of a ceramic glaze comprises the following steps;
s1: feedstock block preparation
Adding a colorant into the ceramic glaze powder based on the ceramic glaze powder, mixing, putting into a ball mill, carrying out ball milling, and sintering into a test sample by a roller kiln;
s2: abrasion test
Installing a test sample on a wear testing machine, starting a dust collection device, installing a grinding wheel of trench gauze on a support, applying external force to carry out wear, wiping the test sample after wear, weighing the test sample to be accurate to 1mg, carrying out wear treatment again after replacing the gauze, weighing the test sample after wiping to be accurate to 1mg, placing the gauze in an environment with the relative humidity of 50% +/-5% and the temperature of 23 +/-2 ℃ for treatment for 24h, wiping the surface of the test sample with degreased gauze, equally dividing the test sample into three equally-large test samples, upwards installing a wear-resistant layer of the test sample on the wear testing machine, installing the grinding wheel on the support, applying external force to carry out wear, replacing the grinding wheel once every 500 revolutions until the grinding wheel rotates for 5000 revolutions, completing the wear test of the test sample, and recording the first wear detection;
s3: vulcanization abrasion resistance test
A. Fastening a vulcanized test piece sample on a testing machine, leveling the abrasion part of the test piece, aligning the position of a grinding wheel to the flat part of the test piece, balancing two ends of a balance, applying pressure on the right end of the balance, screwing a fastening handle of a grinding wheel shaft, starting up the testing machine, and measuring the lengths of two sides of a grinding mark by using a vernier caliper after the testing is finished;
B. cutting a cylindrical test sample with the diameter of 16mm and the thickness of not less than 6mm by using a special drilling machine, starting the drilling machine, rubbing the test sample which transversely moves with gauze on a rotary drum, and expressing the abrasion performance of the test sample by using the volume lost by the outer bottom;
C. grinding two surfaces of a sample in the vulcanized time, adhering the sample to a rubber wheel, starting a motor to rotate the sample clockwise, pre-grinding the sample for 15min, taking down the sample, brushing rubber scraps, weighing the weight of the sample, and testing the density of the sample;
s4: sand blasting test
Carrying out sand blasting detection on the three test pieces obtained in the step S3 respectively, fixing the three test pieces through a fixing device, and then positioning the three test pieces at a position of 20 +/-0.1 mm of a sand blasting device, wherein the sand blasting time is 20min at each time, and when sand blasting is carried out at each time, cleaning the test pieces through an ultrasonic cleaning machine, wherein the wear resistance of the test pieces is represented as follows: the mass loss of the sample in unit time is delta W/t, and t is the sand blasting time;
s5: thermal shock resistance test
Placing the three test pieces in a dryer, drying to constant weight, measuring the number of squares of the heated end face of the test piece by using a square grid, then placing the three test pieces in a heating furnace, heating to 250 +/-10 ℃, keeping the temperature for 15min, rapidly moving the test pieces into a hearth of the heating furnace, keeping the test pieces at 250 ℃ for 20min, placing the test pieces into a flowing water tank after the test pieces are suddenly heated, cooling the test pieces in the water tank for 3min, taking out the test pieces, placing the test pieces in the air for 5min, repeating the steps, repeatedly carrying out the sudden heat quenching process on the test pieces until the test pieces are damaged or reach the specified sudden heat quenching times, and finishing the test;
s6: corrosion test
Collecting the test piece tested in the step S5, putting the test piece into a dryer for drying, putting the test piece into a corrosion experiment device, heating heavy metal in the corrosion experiment device by using a 2kw resistance wire, inserting a thermocouple after the heavy metal is melted, introducing protective gas to prevent a corrosion medium from being oxidized, detecting the test temperature by using the thermocouple, immersing the test piece in the corrosion medium for corrosion test after the preset temperature is reached, manufacturing the corroded test piece into a small test piece, and detecting and analyzing the corrosion condition.
Preferably, in the step S1, the internal temperature of the ball mill is set to 45 ℃, the time for the ball milling is 2-2.5h, and the test sample has a length of 50mm, a width of 30mm and a thickness of 10 mm.
Preferably, in step S2, the magnitude of the external force is 4.9N ± 0.2N, and the abrasion rotation speed is set to 500 revolutions.
Preferably, in the step S3, the pressure applied to the right end of the balance is 4.9N, the rotation speed of the grinding wheel is 191r ± 5r/min, the test time is 20min, the friction distance of the special drilling machine is 40m, the load is 10N, and the included angle between the rubber wheel shaft and the grinding wheel shaft is 15 °.
Preferably, in step S4, the pressure of the compressed air of the sand blasting device varies from 0.7 MPa to 0.8MPa, the abrasive and the nozzle of the sand blasting device are renewed after each use, the abrasive is sieved by gauze with 40 meshes and 50 meshes respectively by using an upper sieve and a lower sieve, and the inner diameter of the nozzle is increased from 6.0mm to 6.7 mm.
Preferably, in the step S5, the drying temperature of the dryer is 105 ℃ to 110 ℃, and the water temperature inside the flowing water tank is 5 ℃ to 35 ℃.
Preferably, in step S6, the testing device includes a heating and heat-preserving device, a temperature control device, a protective gas supply system, a sample holding device, and a container for holding corrosive medium.
The invention has the technical effects and advantages that:
according to the invention, three different wear-resisting property detections are carried out on the ceramic glaze, and the thermal shock resistance detection and the corrosion resistance detection of the ceramic glaze are added, so that the detection precision of the wear resistance of the ceramic glaze is effectively improved, the detection error is reduced, and the detection functions are multiple.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The invention provides a method for accurately detecting the wear resistance of a ceramic glaze, which comprises the following steps of;
s1: feedstock block preparation
Adding a colorant into the ceramic glaze powder based on the ceramic glaze powder, mixing, putting into a ball mill, carrying out ball milling, and sintering into a test sample by a roller kiln;
s2: abrasion test
Installing a test sample on a wear testing machine, starting a dust collection device, installing a grinding wheel of trench gauze on a support, applying external force to carry out wear, wiping the test sample after wear, weighing the test sample to be accurate to 1mg, carrying out wear treatment again after replacing the gauze, weighing the test sample after wiping to be accurate to 1mg, placing the gauze in an environment with the relative humidity of 50% +/-5% and the temperature of 23 +/-2 ℃ for treatment for 24h, wiping the surface of the test sample with degreased gauze, equally dividing the test sample into three equally-large test samples, upwards installing a wear-resistant layer of the test sample on the wear testing machine, installing the grinding wheel on the support, applying external force to carry out wear, replacing the grinding wheel once every 500 revolutions until the grinding wheel rotates for 5000 revolutions, completing the wear test of the test sample, and recording the first wear detection;
example 1: soaking a sample in ethyl acetate for half an hour, peeling off a wear-resistant layer from a base material, placing the sample in a 60 ℃ oven for 2 hours, taking 3 test pieces with the size of 30mm multiplied by 30mm from the separated wear-resistant layer, measuring the density rho according to the specification of a soaking method in GB/T1033.1, taking the arithmetic average value of the results of the 3 test pieces according to the test results, accurately obtaining the arithmetic average value of 0.001g/cm3, simultaneously preparing 3 test pieces with the size of 100mm multiplied by 100mm, and maintaining the test pieces at the temperature of 23 ℃ plus or minus 2 ℃ and the relative humidity of 50 percent plus or minus 5 percent to reach the constant weight when sampling, wherein the mass change is not less than 0.002 g;
a detection step:
(1) the density of the prepared test piece of 30mm multiplied by 30mm is measured according to the specification of a dipping method in GB/T1033.1, and the arithmetic mean value of the test results of 3 test pieces is taken as the accurate value to be 0.001g/cm 3;
(2)3 test pieces with the size of 100mm multiplied by 100mm are maintained, weighed and accurate to 0.1mg, the wear-resistant layer of the test piece is upwards installed on a wear tester, a grinding wheel is installed on a support and is coated with gauze with P180 granularity, the wear is carried out under the condition of applying external force of 4.9N +/-0.2N, the gauze is replaced every 500-turn wear of the grinding wheel until 5000 turns of grinding, the grinding wheel is removed, particles on the surface of the test piece are cleaned, the test piece is weighed and accurate to 0.1mg, and the wear-resistant revolution test is continuously carried out after weighing.
S3: vulcanization abrasion resistance test
A. Fastening a vulcanized test piece sample on a testing machine, leveling the abrasion part of the test piece, aligning the position of a grinding wheel to the flat part of the test piece, balancing two ends of a balance, applying pressure on the right end of the balance, screwing a fastening handle of a grinding wheel shaft, starting up the testing machine, and measuring the lengths of two sides of a grinding mark by using a vernier caliper after the testing is finished;
B. cutting a cylindrical test sample with the diameter of 16mm and the thickness of not less than 6mm by using a special drilling machine, starting the drilling machine, rubbing the test sample which transversely moves with gauze on a rotary drum, and expressing the abrasion performance of the test sample by using the volume lost by the outer bottom;
C. grinding two surfaces of a sample in the vulcanized time, adhering the sample to a rubber wheel, starting a motor to rotate the sample clockwise, pre-grinding the sample for 15min, taking down the sample, brushing rubber scraps, weighing the weight of the sample, and testing the density of the sample;
example 2: the three test methods are to test the sample of the test piece in the environment with the temperature of 20 +/-2 ℃ and the humidity of 50% in a laboratory.
S4: sand blasting test
Carrying out sand blasting detection on the three test pieces obtained in the step S3 respectively, fixing the three test pieces through a fixing device, and then positioning the three test pieces at a position of 20 +/-0.1 mm of a sand blasting device, wherein the sand blasting time is 20min at each time, and when sand blasting is carried out at each time, cleaning the test pieces through an ultrasonic cleaning machine, wherein the wear resistance of the test pieces is represented as follows: the mass loss of the sample in unit time is delta W/t, and t is the sand blasting time;
example 3: the thickness of a test piece is 8mm, 4 small wafers with the thickness of 2mm are cut out by a laser cutting machine, then a peripheral heat damage layer is ground by a cylindrical grinding machine, chamfering treatment is not carried out, because the edge part of the composite piece is used in a grinding wheel detection method, the central part of the composite piece is used in a sand blasting detection method, or at least the edge part is not used, even if the two detection methods use the same sample to carry out mutual influence on the results, the mass loss delta W after sand blasting and the mass loss delta W/t in unit time can be used for representing the wear resistance of the sample, the last column is a relative error, the maximum relative error of the delta W is 6.21 percent, and is lower than the relative error of the abrasion ratio test by one order of magnitude.
S5: thermal shock resistance test
Placing the three test pieces in a dryer, drying to constant weight, measuring the number of squares of the heated end face of the test piece by using a square grid, then placing the three test pieces in a heating furnace, heating to 250 +/-10 ℃, keeping the temperature for 15min, rapidly moving the test pieces into a hearth of the heating furnace, keeping the test pieces at 250 ℃ for 20min, placing the test pieces into a flowing water tank after the test pieces are suddenly heated, cooling the test pieces in the water tank for 3min, taking out the test pieces, placing the test pieces in the air for 5min, repeating the steps, repeatedly carrying out the sudden heat quenching process on the test pieces until the test pieces are damaged or reach the specified sudden heat quenching times, and finishing the test;
example 4: in a detection test, a test piece with low volume density is found to have poor thermal shock resistance, and the higher the volume density is, the higher the strength is, so that the action of destructive stress is inhibited, and the thermal shock resistance is better.
S6: corrosion test
Collecting the test piece tested in the step S5, putting the test piece into a dryer for drying, putting the test piece into a corrosion experiment device, heating heavy metal in the corrosion experiment device by using a 2kw resistance wire, inserting a thermocouple after the heavy metal is melted, introducing protective gas to prevent a corrosion medium from being oxidized, detecting the test temperature by using the thermocouple, immersing the test piece in the corrosion medium for corrosion test after the preset temperature is reached, manufacturing the corroded test piece into a small test piece, and detecting and analyzing the corrosion condition.
Example 5: the corrosion performance of the test piece is detected by a test device through a suspension immersion corrosion method, and the corrosion morphology is contrastively analyzed through a scanning electron microscope and energy spectrum analysis.
Further, in the above technical solution, in the step S1, the internal temperature of the ball mill is set to 45 ℃, the time for the ball milling is 2-2.5h, and the test sample has a length of 50mm, a width of 30mm, and a thickness of 10 mm.
Further, in the above technical solution, in the step S2, the magnitude of the external force is 4.9N ± 0.2N, and the abrasion rotation speed is set to 500 revolutions.
Further, in the above technical solution, in the step S3, the pressure applied to the right end of the balance is 4.9N, the rotation speed of the grinding wheel is 191r ± 5r/min, the test time is 20min, the friction distance of the special drilling machine is 40m, the load is 10N, and the included angle between the rubber wheel shaft and the grinding wheel shaft is 15 °.
Further, in the above technical solution, in step S4, the pressure variation range of the compressed air of the sand blasting device is 0.7-0.8MPa, the abrasive and the nozzle of the sand blasting device are updated after each use, and the abrasive is screened by using screens with 40 meshes and 50 meshes respectively. The nozzle inner diameter increases from 6.0mm to 6.7 mm.
Further, in the above technical solution, in the step S5, the drying temperature of the drying machine is 105-.
Further, in the above technical solution, in the step S6, the testing apparatus includes a heating and heat-preserving apparatus, a temperature control apparatus, a shielding gas supply system, a sample holding apparatus, and a container for containing a corrosive medium.
Example 6: according to the method, three different wear-resisting property detections are performed on the ceramic glaze, and the thermal shock resistance detection and the corrosion resistance detection of the ceramic glaze are added, so that the detection precision of the wear resistance of the ceramic glaze is effectively improved, the detection error is reduced, and the detection functions are multiple.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: the structure related to the embodiment of the present disclosure can be referred to the general design for other structures, and the same embodiment and different embodiments of the present invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. A method for accurately detecting the wear resistance of ceramic glaze is characterized by comprising the following steps: the method for detecting the wear resistance of the ceramic glaze comprises the following steps;
s1: feedstock block preparation
Adding a colorant into the ceramic glaze powder based on the ceramic glaze powder, mixing, putting into a ball mill, carrying out ball milling, and firing the mixture into a test sample by a roller kiln;
s2: abrasion test
Installing a test sample on a wear testing machine, starting a dust collection device, installing a grinding wheel of trench gauze on a support, applying external force to carry out wear, wiping the test sample after wear, weighing the test sample to be accurate to 1mg, carrying out wear treatment again after replacing the gauze, weighing the test sample after wiping to be accurate to 1mg, placing the gauze in an environment with the relative humidity of 50% +/-5% and the temperature of 23 +/-2 ℃ for treatment for 24h, wiping the surface of the test sample with degreased gauze, equally dividing the test sample into three equally-large test samples, upwards installing a wear-resistant layer of the test sample on the wear testing machine, installing the grinding wheel on the support, applying external force to carry out wear, replacing the grinding wheel once every 500 revolutions until the grinding wheel rotates for 5000 revolutions, completing the wear test of the test sample, and recording the first wear detection;
s3: vulcanization abrasion resistance test
A. Fastening a vulcanized test piece sample on a testing machine, leveling the abrasion part of the test piece, aligning the position of a grinding wheel to the flat part of the test piece, balancing two ends of a balance, applying pressure on the right end of the balance, screwing a fastening handle of a grinding wheel shaft, starting up the testing machine, and measuring the lengths of two sides of a grinding mark by using a vernier caliper after the testing is finished;
B. cutting a cylindrical test sample with the diameter of 16mm and the thickness of not less than 6mm by using a special drilling machine, starting the drilling machine, rubbing the test sample which transversely moves with gauze on a rotary drum, and expressing the abrasion performance of the test sample by using the volume lost by the outer bottom;
C. polishing two surfaces of a vulcanized time sample, adhering the polished time sample to a rubber wheel, starting a motor to enable the test piece to rotate clockwise, pre-grinding the test piece for 15min, taking down the test piece, brushing rubber scraps, weighing the weight of the test piece, and testing the density of the test piece;
s4: sand blasting test
Carrying out sand blasting detection on the three test pieces obtained in the step S3 respectively, fixing the three test pieces through a fixing device, and then positioning the three test pieces at a position of 20 +/-0.1 mm of a sand blasting device, wherein the sand blasting time is 20min at each time, and when sand blasting is carried out at each time, cleaning the test pieces through an ultrasonic cleaning machine, wherein the wear resistance of the test pieces is represented as follows: the mass loss of the sample in unit time is delta W/t, and t is the sand blasting time;
s5: thermal shock resistance test
Placing the three test pieces in a dryer, drying to constant weight, measuring the number of squares of the heated end face of the test piece by using a square grid, then placing the three test pieces in a heating furnace, heating to 250 +/-10 ℃, keeping the temperature for 15min, rapidly moving the test pieces into a hearth of the heating furnace, keeping the test pieces at 250 ℃ for 20min, placing the test pieces into a flowing water tank after the test pieces are suddenly heated, cooling the test pieces in the water tank for 3min, taking out the test pieces, placing the test pieces in the air for 5min, repeating the steps, repeatedly carrying out the sudden heat quenching process on the test pieces until the test pieces are damaged or reach the specified sudden heat quenching times, and finishing the test;
s6: corrosion test
Collecting the test piece tested in the step S5, putting the test piece into a dryer for drying, putting the test piece into a corrosion experiment device, heating heavy metal in the corrosion experiment device by using a 2kw resistance wire, inserting a thermocouple after the heavy metal is melted, introducing protective gas to prevent a corrosion medium from being oxidized, detecting the test temperature by using the thermocouple, immersing the test piece in the corrosion medium for corrosion test after the preset temperature is reached, manufacturing the corroded test piece into a small test piece, and detecting and analyzing the corrosion condition.
2. The method for accurately detecting the wear resistance of the ceramic glaze according to claim 1, wherein the method comprises the following steps: in the step S1, the internal temperature of the ball mill is set to be 45 ℃, the time for spheroidal graphite is 2-2.5h, and the test sample has the length of 50mm, the width of 30mm and the thickness of 10 mm.
3. The method for accurately detecting the wear resistance of the ceramic glaze according to claim 1, wherein the method comprises the following steps: in step S2, the magnitude of the external force is 4.9N ± 0.2N, and the abrasion rotation speed is set to 500 revolutions.
4. The method for accurately detecting the wear resistance of the ceramic glaze according to claim 1, wherein the method comprises the following steps: in the step S3, the pressure applied to the right end of the balance is 4.9N, the rotation speed of the grinding wheel is 191r +/-5 r/min, the test time is 20min, the friction distance of the special drilling machine is 40m, the load is 10N, and the included angle between the rubber wheel shaft and the grinding wheel shaft is 15 degrees.
5. The method for accurately detecting the wear resistance of the ceramic glaze according to claim 1, wherein the method comprises the following steps: in the step S4, the pressure variation range of the compressed air of the sand blasting device is 0.7-0.8MPa, the abrasive and the nozzle of the sand blasting device are updated after each use, the abrasive is screened by using gauze with 40 meshes and 50 meshes respectively through an upper screen and a lower screen, and the inner diameter of the nozzle is increased from 6.0mm to 6.7 mm.
6. The method for accurately detecting the wear resistance of the ceramic glaze according to claim 1, wherein the method comprises the following steps: in the step S5, the drying temperature of the dryer is 105-110 ℃, and the temperature of the water inside the flowing water tank is 5-35 ℃.
7. The method for accurately detecting the wear resistance of the ceramic glaze according to claim 1, wherein the method comprises the following steps: in step S6, the testing apparatus includes a heating and heat-preserving apparatus, a temperature control apparatus, a protective gas supply system, a sample holding apparatus, and a container for holding corrosive medium.
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