CN115304275B - Composite insulating glaze suitable for supercritical water application and processing method thereof - Google Patents
Composite insulating glaze suitable for supercritical water application and processing method thereof Download PDFInfo
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- CN115304275B CN115304275B CN202210503514.3A CN202210503514A CN115304275B CN 115304275 B CN115304275 B CN 115304275B CN 202210503514 A CN202210503514 A CN 202210503514A CN 115304275 B CN115304275 B CN 115304275B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 238000003672 processing method Methods 0.000 title claims description 9
- 239000002994 raw material Substances 0.000 claims abstract description 30
- 238000010304 firing Methods 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 239000008399 tap water Substances 0.000 claims abstract description 7
- 235000020679 tap water Nutrition 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 13
- 239000002244 precipitate Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000004927 clay Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 5
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims 1
- 238000007598 dipping method Methods 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 abstract description 9
- 239000000956 alloy Substances 0.000 abstract description 9
- 239000011810 insulating material Substances 0.000 abstract description 6
- 229910004298 SiO 2 Inorganic materials 0.000 abstract description 5
- 238000002791 soaking Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 8
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 8
- 239000000292 calcium oxide Substances 0.000 description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 7
- 239000011787 zinc oxide Substances 0.000 description 7
- 239000011575 calcium Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 229910052925 anhydrite Inorganic materials 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 4
- 235000019341 magnesium sulphate Nutrition 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910019440 Mg(OH) Inorganic materials 0.000 description 2
- 229910052770 Uranium Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Abstract
A composite insulating glaze suitable for supercritical water application comprises SiO 2 、BaO、CaO、ZnO and the like are used as processing raw materials and are prepared by the raw materials; grinding and crushing; fully mixing; filtering raw materials; coating; firing; detecting to finish the preparation of the product; the composite insulating glaze can not fall off after continuous 10 times of temperature shock impact in water at 450-20 ℃; the insulating resistance in the air is measured by placing the insulating material in the air at 15-450 ℃, and the insulating resistance is over 700MΩ after 120h test, so that the insulating performance is good; the insulating resistance of the alloy is measured every 180min after the alloy is placed in tap water at 20+/-5 ℃, the insulating resistance of the alloy is reduced to 0.8MΩ from initial 100MΩ after 72 h soaking, the alloy is placed in tap water and heated and pressurized for 72 h, and the insulating performance of the alloy is still better when the alloy is kept at 350 ℃ and 16.5MPa for 48 h, so that the requirement is completely met.
Description
Technical Field
The invention relates to the technical field of composite materials, in particular to a glaze with insulation property suitable for supercritical water and a processing method thereof.
Background
With the continuous development of thickened oil thermal recovery technology, water retention measurement is extremely important in technical development; the technology for measuring the underground water retention rate by a capacitance method is mature, but the insulating material which can be stably used for a long time in the underground variable-temperature variable-pressure water environment becomes one of the difficult problems puzzled in the development of the technology.
The method is applied to detection, wherein the material matrix is a good conductor, and a thin-wall insulating layer is tightly laid on the outer side of the conductor; when the substrate with the insulating layer is immersed in water, the capacitance generated between the substrate and the water changes along with the change of the wetting area of the substrate, and the water retention rate is further reflected by the size of the capacitance; this requires that the insulating material outside the matrix must have good insulation, high temperature resistance, high voltage resistance in water, while requiring that the material is less affected by the surface tension of the water after it is immersed in water.
The main direction of the current research is focused on the research of the insulating property of the material in the air or the research of the insulating property of the material in the low-temperature normal-pressure water, and the research of the insulating property of the material in the water through temperature and pressure changing belongs to the technical blank; the traditional glaze is easy to fall off in a high-temperature state, the glaze does not have insulating property, and the insulating enamel is difficult to ensure long-term insulation under high pressure.
The technical scheme is that the basic ground glaze of the existing special glass is improved and modified, and the related processing technology is optimized, and the existing special glass ground glaze comprises raw materials such as silicon dioxide, barium oxide, calcium oxide, zinc oxide and the like.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a composite insulating glaze suitable for supercritical water application in a relatively harsh environment and a processing method thereof.
The invention is realized by the following technical scheme: a composite insulating glaze suitable for supercritical water application comprises SiO 2 、BaO、CaO、ZnO、B 2 O 3 、TiO 2 、Fe 2 O 3 、SO 3 、Cr 2 O 3 Clay, caSO 4 、MgSO 4 、Ca(OH) 2 、SiO 2 As a processing raw material.
Preferably, the specific components of the processing raw materials are as follows: 25.025% SiO2, 17.016% BaO, 4.600% CaO, 1.829% ZnO, 2.537% B2O3, 1.248% TiO2, 0.007% Fe2O3, 0.009% SO3, 17.491% Cr2O3, 2.966% clay, 6.818% CaSO4, 6.818% MgSO4, and 13.636% Ca (OH) 2.
A composite insulating glaze processing method suitable for supercritical water application comprises the following steps:
step one, raw material preparation: the above-mentioned raw materials were prepared by mixing 25.025% of SiO2, 17.016% of BaO, 4.600% of CaO, 1.829% of ZnO, 2.537% of B2O3, 1.248% of TiO2, 0.007% of Fe2O3, 0.009% of SO3, 17.491% of Cr2O3, 2.966% of clay, 6.818% of CaSO4, 6.818% of MgSO4 and 13.636% of Ca (OH) 2. Mixing the materials according to the proportion to obtain a mixture;
grinding and crushing: fully grinding the mixture obtained in the first step for 1-1.5 hours, and screening by using a screen to obtain a carefully selected raw material;
step three, fully mixing: mixing the carefully selected raw materials in the second step with distilled water according to the proportion of 7:5 to obtain a mixed raw material;
step four, filtering raw materials: filtering the mixed raw material obtained in the step three by using a 600-mesh screen to obtain a filtered mixture, standing the filtered mixture to obtain a material in a solid-liquid separation state, and discharging clear water at the upper part to obtain a precipitate at the bottom;
step five, coating: uniformly coating the precipitate obtained in the fourth step on an object to be processed to obtain a fired blank;
step six, firing: placing the fired blank obtained in the fifth step into a firing kiln, and fully firing to obtain a finished product material;
step seven, detecting: and D, detecting the finished material obtained in the step six.
Preferably, the screen in the second step is a 420-mesh stainless steel screen.
Preferably, the mixing method in the third step is as follows: then mixing the water with distilled water according to the mass ratio of 7:5, mixing and uniformly stirring, filtering the prepared liquid slurry by a 600-mesh sieve before use, standing for 2.5-3 hours after filtering, pumping clear water, and continuously stirring for 2 minutes at a stirring speed of 150 r/min.
Preferably, the water content of the precipitate in the fourth step is 16%.
Preferably, the coating method in the fifth step comprises the following steps: the object to be processed is quickly and vertically inserted into the sediment in the fourth step, dipped for 10 seconds and then vertically taken out and kept still for 2-3 minutes.
Preferably, the firing process in the sixth step is as follows: placing the fired blank into a firing kiln, wherein the kiln is a muffle furnace, the furnace temperature is respectively controlled to be fired for 40 minutes at 160 ℃, the furnace temperature is gradually controlled to be uniformly increased to 1200 ℃ after 60 minutes, the furnace temperature is kept at 1200 ℃ for 10 minutes, the furnace temperature is gradually controlled to be uniformly increased to 1280 ℃ after 20 minutes, the furnace temperature is kept at 1280 ℃ for 10 minutes, natural cooling is carried out to room temperature, and the muffle furnace is taken out and cleaned by acetone, thus the process is completed.
Preferably, the detection method in the step seven is as follows: filling tap water into a self-made stainless steel container for high-pressure test, mounting the blank sintered with the composite insulating glaze and the stainless steel container for high-pressure test in a muffle furnace, arranging a pressure release hole at the container and connecting a pressure gauge, and controlling the pressure to be not more than 12MPa by using a pressure regulating valve; in the experimental process, the temperature of the muffle furnace is regulated, data is recorded once after the temperature is increased by 30 ℃ and is constant, the continuous three-time temperature transformation rate is required to be not more than 1.0 ℃/10min during recording, the comprehensive temperature transformation rate is required to be not more than 2 ℃/30min, and meanwhile, the difference between the constant temperature and the set temperature is required to be not more than +/-5 ℃ until the temperature reaches 350 ℃.
Further, the detection standard of the step seven is as follows: the insulation resistance is not lower than 0.1MΩ at 350+ -10deg.C and 12+ -1 MPa.
The invention has the beneficial effects that: the composite insulating glaze can not fall off after continuous 10 times of impact of abrupt temperature change in water at 450-20 ℃.
The insulating resistance in the air is measured by placing the insulating material in the air at 15-450 ℃, and the insulating property is good when the insulating resistance is more than 700MΩ after 120h test.
The resistance of the alloy is measured every 180min after the alloy is placed in tap water with the temperature of 20+/-5 ℃ and the insulation resistance of the alloy is reduced from the initial 100MΩ to 0.8MΩ after 72 hours of soaking,
the insulating material is placed in tap water for 72 hours, heated and pressurized, and the insulating performance is still better when the insulating material is kept at 350 ℃ and 16.5MPa for 48 hours, so that the requirement is completely met.
Drawings
FIG. 1 is an overall process flow diagram of a composite insulating glaze processing method suitable for supercritical water applications.
Fig. 2 is a firing process flow diagram of step six of a composite insulating glaze processing method suitable for supercritical water application.
Detailed Description
In the description of the present invention, it is also to be noted that, unless explicitly stated and defined otherwise; the specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A composite insulating glaze suitable for supercritical water application comprises SiO 2 、BaO、CaO、ZnO、B 2 O 3 、TiO 2 、Fe 2 O 3 、SO 3 、Cr 2 O 3 Clay, caSO 4 、MgSO 4 、Ca(OH) 2 、SiO 2 As a processing raw material.
Preferably, the specific components of the processing raw materials are as follows: 25.025% SiO2, 17.016% BaO, 4.600% CaO, 1.829% ZnO, 2.537% B2O3, 1.248% TiO2, 0.007% Fe2O3, 0.009% SO3, 17.491% Cr2O3, 2.966% clay, 6.818% CaSO4, 6.818% MgSO4, and 13.636% Ca (OH) 2.
A composite insulating glaze processing method suitable for supercritical water application comprises the following steps:
step one, raw material preparation: the above-mentioned raw materials were prepared by mixing 25.025% of SiO2, 17.016% of BaO, 4.600% of CaO, 1.829% of ZnO, 2.537% of B2O3, 1.248% of TiO2, 0.007% of Fe2O3, 0.009% of SO3, 17.491% of Cr2O3, 2.966% of clay, 6.818% of CaSO4, 6.818% of MgSO4 and 13.636% of Ca (OH) 2. Mixing the materials according to the proportion to obtain a mixture;
grinding and crushing: fully grinding the mixture obtained in the first step for 1-1.5 hours, and screening by using a screen to obtain a carefully selected raw material;
step three, fully mixing: mixing the carefully selected raw materials in the second step with distilled water according to the proportion of 7:5 to obtain a mixed raw material;
step four, filtering raw materials: filtering the mixed raw material obtained in the step three by using a 600-mesh screen to obtain a filtered mixture, standing the filtered mixture to obtain a material in a solid-liquid separation state, and discharging clear water at the upper part to obtain a precipitate at the bottom;
step five, coating: uniformly coating the precipitate obtained in the fourth step on an object to be processed to obtain a fired blank;
step six, firing: placing the fired blank obtained in the fifth step into a firing kiln, and fully firing to obtain a finished product material;
step seven, detecting: and D, detecting the finished material obtained in the step six.
Preferably, the screen in the second step is a 420-mesh stainless steel screen.
Preferably, the mixing method in the third step is as follows: then mixing the water with distilled water according to the mass ratio of 7:5, mixing and uniformly stirring, filtering the prepared liquid slurry by a 600-mesh sieve before use, standing for 2.5-3 hours after filtering, pumping clear water, and continuously stirring for 2 minutes at a stirring speed of 150 r/min.
Preferably, the water content of the precipitate in the fourth step is 16%.
Preferably, the coating method in the fifth step comprises the following steps: the object to be processed is quickly and vertically inserted into the sediment in the fourth step, dipped for 10 seconds and then vertically taken out and kept still for 2-3 minutes.
Preferably, the firing process in the sixth step is as follows: placing the fired blank into a firing kiln, wherein the kiln is a muffle furnace, the furnace temperature is respectively controlled to be fired for 40 minutes at 160 ℃, the furnace temperature is gradually controlled to be uniformly increased to 1200 ℃ after 60 minutes, the furnace temperature is kept at 1200 ℃ for 10 minutes, the furnace temperature is gradually controlled to be uniformly increased to 1280 ℃ after 20 minutes, the furnace temperature is kept at 1280 ℃ for 10 minutes, natural cooling is carried out to room temperature, and the muffle furnace is taken out and cleaned by acetone, thus the process is completed.
Preferably, the detection method in the step seven is as follows: filling tap water into a self-made stainless steel container for high-pressure test, mounting the blank sintered with the composite insulating glaze and the stainless steel container for high-pressure test in a muffle furnace, arranging a pressure release hole at the container and connecting a pressure gauge, and controlling the pressure to be not more than 12MPa by using a pressure regulating valve; in the experimental process, the temperature of the muffle furnace is regulated, data is recorded once after the temperature is increased by 30 ℃ and is constant, the continuous three-time temperature transformation rate is required to be not more than 1.0 ℃/10min during recording, the comprehensive temperature transformation rate is required to be not more than 2 ℃/30min, and meanwhile, the difference between the constant temperature and the set temperature is required to be not more than +/-5 ℃ until the temperature reaches 350 ℃.
Further, the detection standard of the step seven is as follows: the insulation resistance is not lower than 0.1MΩ at 350+ -10deg.C and 12+ -1 MPa.
CaSO is carried out 4 、Mg(OH) 2 And CaCO (CaCO) 3 The relevant performance data in air after adding color uranium are shown in table 1 below. As the temperature increases, the resistance decreases. When the temperature is 449.5 ℃, the resistance is 702.3MΩ, and the insulating performance is basically achieved; the material has good insulating property in air and under the condition of high temperature.
Table 1 relationship between test temperature and resistance in air:
CaSO is carried out 4 、Mg(OH) 2 And CaCO (CaCO) 3 After uranium is added, the mixture is added into the water for different timeThe relevant performance data are as follows in table 2:
table 2 relationship between temperature and resistance measured at different times in water:
table 3 relationship between temperature and resistance measured at different times in water:
finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. The composite insulating glaze suitable for supercritical water application is characterized in that: the composite insulating glaze comprises the following raw materials in percentage by weight: siO (SiO) 2 25.025%、BaO 17.016%、CaO 4.600%、ZnO 1.829%、B 2 O 3 2.537%、TiO 2 1.248% of Fe 2 O 3 0.007%、SO 3 0.009%、Cr 2 O 3 17.491% clay 2.966% CaSO 4 6.818%、MgSO 4 6.818%、Ca(OH) 2 13.636%。
2. A composite insulating glaze processing method suitable for supercritical water application is characterized by comprising the following steps: the method comprises the following steps:
step one, raw material preparation: the composite insulating glaze comprises the following raw materials in percentage by weight 2 25.025%、BaO 17.016%、CaO 4.600%、ZnO 1.829%、B 2 O 3 2.537%、TiO 2 1.248% of Fe 2 O 3 0.007%、SO 3 0.009%、Cr 2 O 3 17.491% clay 2.966% CaSO 4 6.818%、MgSO 4 6.818%、Ca(OH) 2 13.636% of the prescription amount is mixed to obtain a mixture;
grinding and crushing: fully grinding the mixture obtained in the step one for 1-1.5 hours, and screening by using a screen to obtain a carefully selected raw material;
step three, fully mixing: mixing the carefully selected raw materials in the second step with distilled water according to the mass ratio of 7:5 to obtain a mixed raw material;
step four, filtering raw materials: filtering the mixed raw material obtained in the step three by using a 600-mesh screen to obtain a filtered mixture, standing the filtered mixture to obtain a material in a solid-liquid separation state, and discharging clear water at the upper part to obtain a precipitate at the bottom;
step five, coating: uniformly coating the precipitate obtained in the fourth step on an object to be processed to obtain a fired blank;
step six, firing: placing the fired blank obtained in the fifth step into a firing kiln, and fully firing to obtain a finished product material;
step seven, detecting: and D, detecting the finished material obtained in the step six.
3. The method for processing the composite insulating glaze suitable for supercritical water application according to claim 2, wherein the method comprises the following steps: in the second step, the screen is a 420-mesh stainless steel screen.
4. The method for processing the composite insulating glaze suitable for supercritical water application according to claim 2, wherein the method comprises the following steps: in step four, the water content of the precipitate was 16%.
5. The method for processing the composite insulating glaze suitable for supercritical water application according to claim 2, wherein the method comprises the following steps: in the fifth step, the coating method comprises the following steps: and (3) rapidly and vertically inserting the object to be processed into the precipitate in the fourth step, dipping for 10 seconds, and vertically taking out and standing for 2-3 minutes.
6. The method for processing the composite insulating glaze suitable for supercritical water application according to claim 2, wherein the method comprises the following steps: the firing process in the step six is as follows: placing the fired blank into a firing kiln which is a muffle furnace, firing at 160 ℃ for 40 minutes, gradually controlling the furnace temperature to be uniformly increased to 1200 ℃ after 60 minutes, firing at 1200 ℃ for 10 minutes, gradually controlling the furnace temperature to be uniformly increased to 1280 ℃ after 20 minutes, firing at 1280 ℃ for 10 minutes, naturally cooling to room temperature, taking out the muffle furnace, and cleaning by using acetone.
7. The method for processing the composite insulating glaze suitable for supercritical water application according to claim 2, wherein the method comprises the following steps: in the seventh step, the detection method comprises the following steps: filling tap water into a self-made high-pressure-resistant test stainless steel container, mounting the finished product material prepared in the step six and the high-pressure-resistant test stainless steel container, and then placing the finished product material and the high-pressure-resistant test stainless steel container into a muffle furnace, wherein a pressure release hole is formed in the container and is connected with a pressure gauge, and controlling the pressure to be not more than 12MPa by using a pressure regulating valve; in the experimental process, the temperature of the muffle furnace is regulated, data is recorded once after the temperature is increased by 30 ℃ and is constant, the continuous three-time temperature transformation rate is required to be not more than 1.0 ℃/10min during recording, the comprehensive temperature transformation rate is required to be not more than 2 ℃/30min, and meanwhile, the difference between the constant temperature and the set temperature is required to be not more than +/-5 ℃ until the temperature reaches 350 ℃.
8. The method for processing the composite insulating glaze suitable for supercritical water application according to claim 7, wherein the method comprises the following steps: in step seven, the detection criteria are: the insulation resistance is not lower than 0.1MΩ at 350+ -10deg.C and 12+ -1 MPa.
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| WO2018167268A1 (en) * | 2017-03-17 | 2018-09-20 | Merck Patent Gmbh | Effect pigments |
| CN109715297A (en) * | 2016-11-14 | 2019-05-03 | 美敦力先进能量有限公司 | Colored glaze ceramic composite for electrosurgical tool |
| CN113200740A (en) * | 2021-05-25 | 2021-08-03 | 德化县韵丽陶瓷有限公司 | Manufacturing process for enabling color development on glaze to be uniform and rich in layering sense |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101786904A (en) * | 2009-12-22 | 2010-07-28 | 咸阳陶瓷研究设计院 | Color-changing glaze for metallic luster ceramics and preparation method thereof |
| CN102515733A (en) * | 2011-12-14 | 2012-06-27 | 李学武 | Production process for famille-rose peony porcelain |
| CN109715297A (en) * | 2016-11-14 | 2019-05-03 | 美敦力先进能量有限公司 | Colored glaze ceramic composite for electrosurgical tool |
| WO2018167268A1 (en) * | 2017-03-17 | 2018-09-20 | Merck Patent Gmbh | Effect pigments |
| CN113200740A (en) * | 2021-05-25 | 2021-08-03 | 德化县韵丽陶瓷有限公司 | Manufacturing process for enabling color development on glaze to be uniform and rich in layering sense |
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