CN107396474A - 一种节能耐高温电饭煲发热盘的加工方法 - Google Patents
一种节能耐高温电饭煲发热盘的加工方法 Download PDFInfo
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 238000003672 processing method Methods 0.000 title claims abstract description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 238000002844 melting Methods 0.000 claims abstract description 14
- 230000008018 melting Effects 0.000 claims abstract description 14
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004568 cement Substances 0.000 claims abstract description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 12
- 239000007769 metal material Substances 0.000 claims description 12
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 10
- 239000006004 Quartz sand Substances 0.000 claims description 6
- 229910021536 Zeolite Inorganic materials 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 6
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 6
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- 239000010457 zeolite Substances 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
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- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 claims description 5
- 238000009966 trimming Methods 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910000349 titanium oxysulfate Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
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- 230000000052 comparative effect Effects 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- JKGITWJSGDFJKO-UHFFFAOYSA-N ethoxy(trihydroxy)silane Chemical compound CCO[Si](O)(O)O JKGITWJSGDFJKO-UHFFFAOYSA-N 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 230000000593 degrading effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
- H05B3/688—Fabrication of the plates
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
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- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
- C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
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Abstract
本发明涉及发热盘加工制作技术领域，公开了一种节能耐高温电饭煲发热盘的加工方法，包括以下步骤：（1）将混合的金属‑非金属料加入熔融的高铝水泥中，完全融化后搅拌混合均匀，将熔融液注入到板模上冷却成型，由于添加了硅藻土粉，能够在金属与非金属之间形成多孔支撑体，混合材料的板材耐高温性以及聚热性得到显著的提高，形成了隔热屏蔽层，防止了能量向内部电源件的传送，起到防干烧的目的，同时又能够将热量缓慢释放出来；（2）经过该条件的回火处理，发热盘的均匀延伸率得到提高，屈强比降低，表面在使用一层含有纳米二氧化钛的涂层，使其具有超强的耐高温性以及抑菌作用。
Description
技术领域
本发明属于发热盘加工制作技术领域，具体涉及一种节能耐高温电饭煲发热盘的加工方法。
背景技术
电饭煲，又称作电锅、电饭锅。是利用电能转变为内能的炊具，使用方便，清洁卫生，还具有对食品进行蒸、煮、炖、煨等多种操作功能。常见的电饭锅分为保温自动式、定时保温式以及新型的微电脑控制式三类。现在已经成为日常家用电器，电饭煲的发明缩减了很多家庭花费在煮饭上的时间。
发热盘，是电饭煲的主要发热元件。这是一个内嵌电发热管的铝合金圆盘，内锅就放在它上面，取下内锅就可以看见，发热盘使用不当会出现一系列问题，导致电饭煲的寿命缩短，现有的电饭煲加热盘可耐六百多度高温，在正常使用下不会出现问题，当出现发热盘干烧现象时，则会出现电热盘温度过高，导致变形及性能不稳等问题，因此，提高发热盘的耐高温性是十分必要的，同时发热盘加热断电后，散热速度极快，导致能源的浪费，若能缓慢释放发热盘的热量，将能节约很多电量。
发明内容
本发明的目的是针对现有的问题，提供了一种节能耐高温电饭煲发热盘的加工方法，同过在加工工艺上添加耐高温以及保温材料，提高发热盘的性能，延长电饭煲的使用寿命。
本发明是通过以下技术方案实现的：
一种节能耐高温电饭煲发热盘的加工方法，包括以下步骤：
（1）将混合的金属-非金属料加入熔融的高铝水泥中，完全融化后搅拌混合均匀，将熔融液注入到板模上冷却成型，使用等离子刀将板材切割成超出发热盘模型尺寸0.1-0.2%的大小，对切边进行打磨，得到边缘圆润且符合模型尺寸的圆盘，再使用压力机压制成底座，将内部线路布好后，将表面布有纹路的盖板压制在底座上；
（2）将压制好的发热盘加热升温至600-650℃，经过2次低温回火处理，第一次处理时间为6-8秒，将发热盘温度迅速降低至400-450℃，保温30-40分钟后，喷水冷却至300-350℃，停滞15-20秒后冷却至室温，在发热盘表面涂布一层厚度为0.1-0.2毫米的涂层，该涂层含有质量分数为7-10%的纳米二氧化钛成分和质量分数为5-8%的沸石粉。
作为对上述方案的进一步改进，步骤（1）中所述的混合的金属-非金属料占高铝水泥含量的1.7-2.0%，按照质量分数计含有以下成分：超细氧化铁粉占20-30%、硅藻土粉占15-20%、氧化铬占10-12%、氧化镍占7-10%、氧化镁占5-8%、剩余为石英砂。
作为对上述方案的进一步改进，步骤（1）中盖板圆形纹路深为0.4-0.6毫米，纹距为0.2-0.3毫米。
作为对上述方案的进一步改进，步骤（2）中所述涂层还含有质量分数为30-35%的硅酸乙酯、10-15%的硅溶胶、5-6%的氧化锌、3-5%的云母粉、剩余为聚乙烯醇。
作为对上述方案的进一步改进，步骤（2）中所述纳米二氧化钛的制备方法为：将硫酸氧钛加入到过量的碳酸钠溶液中反应生成白色氢氧化钛，过滤得到白色沉淀，使用摩尔浓度为0.2-0.3mol/L的盐酸滴定，至固体沉淀完全溶解，使用有机硅表面处理剂处理，再使用四氯化碳萃取得到水合二氧化钛，在马弗炉中加热至1100-1300℃，高温煅烧1-2小时，自然冷却后洗涤即得所述纳米二氧化钛。
本发明相比现有技术具有以下优点：为了解决现有电饭煲加热盘耐高温性差，热量散失严重的问题，本发明提供了一种节能耐高温电饭煲发热盘的加工方法，包括以下步骤：（1）将混合的金属-非金属料加入熔融的高铝水泥中，完全融化后搅拌混合均匀，将熔融液注入到板模上冷却成型，由于添加了硅藻土粉，能够在金属与非金属之间形成多孔支撑体，混合材料的板材耐高温性以及聚热性得到显著的提高，形成了隔热屏蔽层，防止了能量向内部电源件的传送，起到防干烧的目的，同时又能够将热量缓慢释放出来；（2）经过该条件的回火处理，发热盘的均匀延伸率得到提高，屈强比降低，表面在使用一层含有纳米二氧化钛的涂层，扩大了盘面的比表面积，表面能得到提高，由于其具有很好的光催化性，能够杀灭细菌，降解异味，使其具有超强的耐高温性以及抑菌作用。
具体实施方式
下面结合具体实施例对本发明做进一步说明。
实施例1
一种节能耐高温电饭煲发热盘的加工方法，包括以下步骤：
（1）将混合的金属-非金属料加入熔融的高铝水泥中，完全融化后搅拌混合均匀，将熔融液注入到板模上冷却成型，使用等离子刀将板材切割成超出发热盘模型尺寸0.1%的大小，对切边进行打磨，得到边缘圆润且符合模型尺寸的圆盘，再使用压力机压制成底座，将内部线路布好后，将表面布有纹路的盖板压制在底座上；
（2）将压制好的发热盘加热升温至600℃，经过2次低温回火处理，第一次处理时间为6秒，将发热盘温度迅速降低至400℃，保温30分钟后，喷水冷却至300℃，停滞15秒后冷却至室温，在发热盘表面涂布一层厚度为0.1毫米的涂层，该涂层含有质量分数为7%的纳米二氧化钛成分和质量分数为5%的沸石粉。
作为对上述方案的进一步改进，步骤（1）中所述的混合的金属-非金属料占高铝水泥含量的1.7%，按照质量分数计含有以下成分：超细氧化铁粉占20%、硅藻土粉占15%、氧化铬占10%、氧化镍占7%、氧化镁占5%、剩余为石英砂。
作为对上述方案的进一步改进，步骤（1）中盖板圆形纹路深为0.4毫米，纹距为0.2毫米。
作为对上述方案的进一步改进，步骤（2）中所述涂层还含有质量分数为30%的硅酸乙酯、10%的硅溶胶、5%的氧化锌、3%的云母粉、剩余为聚乙烯醇。
作为对上述方案的进一步改进，步骤（2）中所述纳米二氧化钛的制备方法为：将硫酸氧钛加入到过量的碳酸钠溶液中反应生成白色氢氧化钛，过滤得到白色沉淀，使用摩尔浓度为0.2mol/L的盐酸滴定，至固体沉淀完全溶解，使用有机硅表面处理剂处理，再使用四氯化碳萃取得到水合二氧化钛，在马弗炉中加热至1100℃，高温煅烧1小时，自然冷却后洗涤即得所述纳米二氧化钛。
实施例2
一种节能耐高温电饭煲发热盘的加工方法，包括以下步骤：
（1）将混合的金属-非金属料加入熔融的高铝水泥中，完全融化后搅拌混合均匀，将熔融液注入到板模上冷却成型，使用等离子刀将板材切割成超出发热盘模型尺寸0.15%的大小，对切边进行打磨，得到边缘圆润且符合模型尺寸的圆盘，再使用压力机压制成底座，将内部线路布好后，将表面布有纹路的盖板压制在底座上；
（2）将压制好的发热盘加热升温至625℃，经过2次低温回火处理，第一次处理时间为7秒，将发热盘温度迅速降低至420℃，保温35分钟后，喷水冷却至320℃，停滞17秒后冷却至室温，在发热盘表面涂布一层厚度为0.15毫米的涂层，该涂层含有质量分数为8%的纳米二氧化钛成分和质量分数为6%的沸石粉。
作为对上述方案的进一步改进，步骤（1）中所述的混合的金属-非金属料占高铝水泥含量的1.8%，按照质量分数计含有以下成分：超细氧化铁粉占20-30%、硅藻土粉占18%、氧化铬占11%、氧化镍占8%、氧化镁占6%、剩余为石英砂。
作为对上述方案的进一步改进，步骤（1）中盖板圆形纹路深为0.5毫米，纹距为0.25毫米。
作为对上述方案的进一步改进，步骤（2）中所述涂层还含有质量分数为33%的硅酸乙酯、13%的硅溶胶、5.5%的氧化锌、4%的云母粉、剩余为聚乙烯醇。
作为对上述方案的进一步改进，步骤（2）中所述纳米二氧化钛的制备方法为：将硫酸氧钛加入到过量的碳酸钠溶液中反应生成白色氢氧化钛，过滤得到白色沉淀，使用摩尔浓度为0.25mol/L的盐酸滴定，至固体沉淀完全溶解，使用有机硅表面处理剂处理，再使用四氯化碳萃取得到水合二氧化钛，在马弗炉中加热至1200℃，高温煅烧1.5小时，自然冷却后洗涤即得所述纳米二氧化钛。
实施例3
一种节能耐高温电饭煲发热盘的加工方法，包括以下步骤：
（1）将混合的金属-非金属料加入熔融的高铝水泥中，完全融化后搅拌混合均匀，将熔融液注入到板模上冷却成型，使用等离子刀将板材切割成超出发热盘模型尺寸0.2%的大小，对切边进行打磨，得到边缘圆润且符合模型尺寸的圆盘，再使用压力机压制成底座，将内部线路布好后，将表面布有纹路的盖板压制在底座上；
（2）将压制好的发热盘加热升温至650℃，经过2次低温回火处理，第一次处理时间为8秒，将发热盘温度迅速降低至450℃，保温40分钟后，喷水冷却至350℃，停滞20秒后冷却至室温，在发热盘表面涂布一层厚度为0.2毫米的涂层，该涂层含有质量分数为10%的纳米二氧化钛成分和质量分数为8%的沸石粉。
作为对上述方案的进一步改进，步骤（1）中所述的混合的金属-非金属料占高铝水泥含量的2.0%，按照质量分数计含有以下成分：超细氧化铁粉占30%、硅藻土粉占20%、氧化铬占12%、氧化镍占10%、氧化镁占8%、剩余为石英砂。
作为对上述方案的进一步改进，步骤（1）中盖板圆形纹路深为0.6毫米，纹距为0.3毫米。
作为对上述方案的进一步改进，步骤（2）中所述涂层还含有质量分数为35%的硅酸乙酯、15%的硅溶胶、6%的氧化锌、5%的云母粉、剩余为聚乙烯醇。
作为对上述方案的进一步改进，步骤（2）中所述纳米二氧化钛的制备方法为：将硫酸氧钛加入到过量的碳酸钠溶液中反应生成白色氢氧化钛，过滤得到白色沉淀，使用摩尔浓度为0.3mol/L的盐酸滴定，至固体沉淀完全溶解，使用有机硅表面处理剂处理，再使用四氯化碳萃取得到水合二氧化钛，在马弗炉中加热至1300℃，高温煅烧2小时，自然冷却后洗涤即得所述纳米二氧化钛。
对比例1
与实施例1的区别仅在于，将步骤（1）中混合的金属-非金属料换成按照质量分数计含有以下成分：铁粉占35%、氧化铬占10%、氧化镍占7%、氧化镁占5%、剩余为石英砂，其余保持不变。
对比例2
与实施例2的区别仅在于，将步骤（2）中回火处理省略，其余保持不变。
对比例3
与实施例3的区别仅在于，将步骤（2）涂层中含有的质量分数为10%的纳米二氧化钛成分和质量分数为8%的沸石粉换成质量分数为18%的普通二氧化钛，其余保持不变。
对比试验
分别使用实施例1-3和对比例1-3的方法加工制作电饭煲发热盘，安装在同样的电饭煲外壳上，进行使用测试，将测试结果记录如下表所示：
| 项目 | 平均耐干烧时长（分钟） | 电量节约度数（度/小时） | 抗菌率（%） | 使用寿命延长（年） |
| 实施例1 | 80 | 0.08 | 99.98 | 2 |
| 实施例2 | 90 | 0.10 | 99.99 | 2 |
| 实施例3 | 85 | 0.09 | 99.97 | 2 |
| 对比例1 | 35 | 0.02 | 99.98 | 1 |
| 对比例2 | 30 | 0.06 | 99.99 | 1 |
| 对比例3 | 28 | 0.05 | 90.25 | 1 |
（其中电量节约度数是以现有的相同功率的电饭煲耗能作为参考，使用寿命延长时间是以现有相同功率电饭煲使用寿命的平均值作为比较）
通过比较可以看出：本发明在改变加工工艺上达到了预期的效果，将电饭煲发热盘出现的棘手问题很好的解决了，使其具有超强的耐高温性和节能性，并且还能够杀灭细菌，降解异味，提高了保健价值。
Claims (5)
1.一种节能耐高温电饭煲发热盘的加工方法，其特征在于，包括以下步骤：
（1）将混合的金属-非金属料加入熔融的高铝水泥中，完全融化后搅拌混合均匀，将熔融液注入到板模上冷却成型，使用等离子刀将板材切割成超出发热盘模型尺寸0.1-0.2%的大小，对切边进行打磨，得到边缘圆润且符合模型尺寸的圆盘，再使用压力机压制成底座，将内部线路布好后，将表面布有纹路的盖板压制在底座上；
（2）将压制好的发热盘加热升温至600-650℃，经过2次低温回火处理，第一次处理时间为6-8秒，将发热盘温度迅速降低至400-450℃，保温30-40分钟后，喷水冷却至300-350℃，停滞15-20秒后冷却至室温，在发热盘表面涂布一层厚度为0.1-0.2毫米的涂层，该涂层含有质量分数为7-10%的纳米二氧化钛成分和质量分数为5-8%的沸石粉。
2.如权利要求1所述一节能耐高温电饭煲发热盘的加工方法种，其特征在于，
步骤（1）中所述的混合的金属-非金属料占高铝水泥含量的1.7-2.0%，按照质量分数计含有以下成分：超细氧化铁粉占20-30%、硅藻土粉占15-20%、氧化铬占10-12%、氧化镍占7-10%、氧化镁占5-8%、剩余为石英砂。
3.如权利要求1所述一节能耐高温电饭煲发热盘的加工方法种，其特征在于，
步骤（1）中盖板圆形纹路深为0.4-0.6毫米，纹距为0.2-0.3毫米。
4.如权利要求1所述一节能耐高温电饭煲发热盘的加工方法种，其特征在于，步骤（2）中所述涂层还含有质量分数为30-35%的硅酸乙酯、10-15%的硅溶胶、5-6%的氧化锌、3-5%的云母粉、剩余为聚乙烯醇。
5.如权利要求1所述一节能耐高温电饭煲发热盘的加工方法种，其特征在于，步骤（2）中所述纳米二氧化钛的制备方法为：将硫酸氧钛加入到过量的碳酸钠溶液中反应生成白色氢氧化钛，过滤得到白色沉淀，使用摩尔浓度为0.2-0.3mol/L的盐酸滴定，至固体沉淀完全溶解，使用有机硅表面处理剂处理，再使用四氯化碳萃取得到水合二氧化钛，在马弗炉中加热至1100-1300℃，高温煅烧1-2小时，自然冷却后洗涤即得所述纳米二氧化钛。
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| CN115091128A (zh) * | 2022-06-21 | 2022-09-23 | 广州市华钠电器有限公司 | 一种电发热盘的制造方法及其设备 |
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