CN102381838B - Application of depilatory in glass manufacturing and method for manufacturing glass by depilatory - Google Patents
Application of depilatory in glass manufacturing and method for manufacturing glass by depilatory Download PDFInfo
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- CN102381838B CN102381838B CN201010274396.0A CN201010274396A CN102381838B CN 102381838 B CN102381838 B CN 102381838B CN 201010274396 A CN201010274396 A CN 201010274396A CN 102381838 B CN102381838 B CN 102381838B
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- 239000011521 glass Substances 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000002951 depilatory effect Effects 0.000 title abstract description 17
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 66
- 239000006066 glass batch Substances 0.000 claims abstract description 34
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 238000005816 glass manufacturing process Methods 0.000 claims description 2
- 229940059936 lithium bromide Drugs 0.000 claims 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- VYRNMWDESIRGOS-UHFFFAOYSA-N [Mo].[Au] Chemical compound [Mo].[Au] VYRNMWDESIRGOS-UHFFFAOYSA-N 0.000 claims 1
- 239000006059 cover glass Substances 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- 238000005498 polishing Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 28
- 239000000243 solution Substances 0.000 description 19
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 16
- 229910052742 iron Inorganic materials 0.000 description 15
- 239000007864 aqueous solution Substances 0.000 description 11
- 238000002844 melting Methods 0.000 description 9
- 230000008018 melting Effects 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 229910052697 platinum Inorganic materials 0.000 description 8
- 238000007689 inspection Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000005347 annealed glass Substances 0.000 description 2
- 238000007507 annealing of glass Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000007496 glass forming Methods 0.000 description 2
- 239000006060 molten glass Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
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Abstract
Description
技术领域 technical field
本发明公开一种脱毛剂的转领域应用及利用脱毛剂制作玻璃的方法，特别是一种脱毛剂在制作玻璃中的应用及采用脱毛剂制作玻璃的方法。The invention discloses an application of a depilatory in the field and a method for making glass by using the depilatory, in particular an application of the depilatory in making glass and a method for making glass by using the depilatory.
背景技术 Background technique
实验室中，经常会用到利用高温炉熔样制成的玻璃片，目前，这种玻璃片在制作时，都是在高温炉内熔样制成，利用玻璃配合料放在高温炉内熔样制作玻璃片时，工序复杂，需要在高温时把熔化好的红色玻璃液倒在铁板上成型，然后连同铁板一块放在另外一台高温炉内退火，至100℃左右时拿出，在室温下把玻璃从铁板上拿下。若铁板表面光滑，所做的玻璃片基本光滑，若果铁板表面有铁锈，那成型制作的玻璃片表面粗糙不平，铁锈明显，严重影响玻璃透过率。而且在高温(约1400℃)时操作，极不安全，玻璃易炸裂。如果在室温时把带有玻璃配合料的坩埚放入高温炉内1400℃保温四小时，在于室温条件拿出，则玻璃会黏结在坩埚壁上，无法形成一个完整的玻璃片。以上方法制作的玻璃片，若检测其光学性能或直接用仪器测试熔片玻璃成分，难度较大。In the laboratory, glass sheets made by melting samples in high-temperature furnaces are often used. At present, when making such glass sheets, they are made by melting samples in high-temperature furnaces. When making glass sheets, the process is complicated. It is necessary to pour the molten red glass liquid on the iron plate at high temperature to form it, and then put it together with the iron plate in another high-temperature furnace for annealing. Next, remove the glass from the iron plate. If the surface of the iron plate is smooth, the glass sheet made is basically smooth. If there is rust on the surface of the iron plate, the surface of the formed glass sheet is rough and uneven, and the rust is obvious, which seriously affects the glass transmittance. Moreover, it is extremely unsafe to operate at high temperature (about 1400°C), and the glass is easy to burst. If the crucible with glass batch materials is put into a high-temperature furnace at 1400°C for four hours at room temperature and then taken out at room temperature, the glass will stick to the crucible wall and a complete glass sheet cannot be formed. It is very difficult to test the optical properties of the glass flakes produced by the above methods or directly use instruments to test the fusing glass composition.
发明内容 Contents of the invention
针对上述提到的现有技术中制作玻璃片时的难度较大的缺点，本发明提供一种新的制作玻璃片的方法，将脱毛剂，即溴化锂溶液用于制作玻璃中，简化了制作工艺。Aiming at the above-mentioned disadvantages of making glass flakes difficult in the prior art, the present invention provides a new method for making glass flakes, using the depilatory agent, i.e. lithium bromide solution, in making glass, which simplifies the manufacturing process. .
本发明解决其技术问题采用的技术方案是：一种脱毛剂在制作玻璃中的应用，在制作玻璃的混合配料中加入溴化锂溶液。The technical scheme adopted by the present invention to solve the technical problem is: the application of a depilatory agent in making glass, and lithium bromide solution is added to the mixed ingredients for making glass.
本发明解决其技术问题采用的技术方案进一步还包括：The technical solution adopted by the present invention to solve its technical problems further includes:
所述的溴化锂溶液是浓度为0.08％-0.12％的溴化锂水溶液。The lithium bromide solution is a lithium bromide aqueous solution with a concentration of 0.08%-0.12%.
所述的溴化锂溶液浓度为0.09％-0.11％。The concentration of the lithium bromide solution is 0.09%-0.11%.
所述的溴化锂溶液浓度为0.1％。The concentration of the lithium bromide solution is 0.1%.
所述的玻璃为高温玻璃。The glass is high temperature glass.
一种采用上述的脱毛剂制作玻璃的方法，该方法包括下述步骤：A kind of method adopting above-mentioned depilatory to make glass, this method comprises the steps:
A、将混合好的玻璃配合料放入耐高温器皿内，在配合料表面滴加溴化锂溶液；A. Put the mixed glass batch material into a high temperature resistant container, and drop lithium bromide solution on the surface of the batch material;
B、利用1.2-1.8小时将玻璃配合料由室温升温到1400℃-1600℃，保温1～5小时，后降温到室温后，拿出，即为成品。B. Use 1.2-1.8 hours to raise the temperature of the glass batch material from room temperature to 1400°C-1600°C, keep it warm for 1-5 hours, and then cool it down to room temperature, take it out, and it will be the finished product.
本发明解决其技术问题采用的技术方案进一步还包括：The technical solution adopted by the present invention to solve its technical problems further includes:
所述的玻璃配合料为高温玻璃配合料。The glass batch material is a high temperature glass batch material.
所述的玻璃配合料的重量百分比为14.0％的Na2O，0.1％的Fe2O3，1.1％的Al2O3，0.25％的SO3，9.0％的CaO，3.8％的MgO，其余用SiO2补齐。The weight percent of the glass batch is 14.0% Na 2 O, 0.1% Fe 2 O 3 , 1.1% Al 2 O 3 , 0.25% SO 3 , 9.0% CaO, 3.8% MgO, and the rest Padding with SiO2 .
所述的耐高温器皿为铂金平底锅。The high-temperature-resistant vessel is a platinum pan.
对玻璃配料进行升温及保温时的装置采用高温炉。A high-temperature furnace is used as the device for heating up and keeping the glass batches warm.
利用1.5小时将玻璃配合料由室温升温到1400℃。The temperature of the glass batch was raised from room temperature to 1400° C. in 1.5 hours.
本发明的有益效果是：本发明中将脱毛剂转领域应用于制作玻璃中，达到了意想不到的效果。使用脱毛剂后，使制作玻璃操作方法简单易行，安全可靠，制作出来的玻璃片便于测试。和以前传统的方法相比，有以下几个优点：The beneficial effects of the present invention are: in the present invention, the depilatory agent is transferred to the field and applied to making glass, which achieves an unexpected effect. After using the depilatory agent, the operation method of making glass is simple, safe and reliable, and the produced glass sheet is convenient for testing. Compared with the previous traditional methods, it has the following advantages:
1、使用本发明的方法只用一台高温炉即可，而且可以连续作业，玻璃液不用移来移去，同时达到配合料熔化、玻璃成型、退火的目的。人员便于操作，避免高温灼伤，玻璃液倒偏等。对于成型铁板而言，避免玻璃液与铁板粘连，造成玻璃片污染。1. Only one high-temperature furnace is needed to use the method of the present invention, and it can be operated continuously, and the molten glass does not need to be moved back and forth, and at the same time, the purposes of batch melting, glass forming and annealing are achieved. It is easy for personnel to operate, avoiding high-temperature burns, glass liquid inversion, etc. For the formed iron plate, avoid the adhesion of the glass liquid and the iron plate to cause contamination of the glass sheet.
2、成型退火好后的玻璃在室温时拿出来，便于操作，坩锅内的玻璃可以轻而易举的从坩锅内脱离出来，而不会和坩锅壁有任何的粘结。2. The formed and annealed glass is taken out at room temperature, which is easy to operate. The glass in the crucible can be easily separated from the crucible without any bonding with the crucible wall.
3、制做好的玻璃片上下表面平整光滑，便于检测其他性能。而用铁板成型的玻璃由于表面张力的原因，玻璃板上表面从中间到边部易形成弧形，平整度、光滑度不够；下表面易粘结铁板上的铁锈，测试时难以操作。3. The upper and lower surfaces of the prepared glass sheet are smooth and smooth, which is convenient for testing other properties. However, due to the surface tension of the glass formed by the iron plate, the surface of the glass plate is easy to form an arc from the middle to the edge, and the flatness and smoothness are not enough; the rust on the iron plate is easily bonded to the lower surface, and it is difficult to operate during the test.
下面将结合具体实施方式对本发明做进一步说明。The present invention will be further described below in combination with specific embodiments.
具体实施方式 Detailed ways
本实施例为本发明优选实施方式，其他凡其原理和基本结构与本实施例相同或近似的，均在本发明保护范围之内。This embodiment is a preferred implementation mode of the present invention, and other principles and basic structures that are the same or similar to this embodiment are within the protection scope of the present invention.
本发明将溴化锂溶液(即脱毛剂)加入制作玻璃的配合料中，使玻璃制作工艺简化，制作出来的玻璃质量好。本实施例中的溴化锂溶液是浓度为0.08％-0.12％的溴化锂水溶液，其中优选的浓度是0.09％-0.11％，最佳的浓度为0.1％的溴化锂水溶液(其所用的水为去离子水或蒸馏水)。In the present invention, the lithium bromide solution (that is, the hair removal agent) is added to the batch material for making glass, so that the glass making process is simplified, and the produced glass is of good quality. Lithium bromide solution in the present embodiment is that concentration is the lithium bromide aqueous solution of 0.08%-0.12%, and wherein preferred concentration is 0.09%-0.11%, and optimum concentration is the lithium bromide aqueous solution of 0.1% (the water used is deionized water or distilled water).
本发明主要应用于高温玻璃，或称为钠-钙-硅玻璃，常用的原料配比的重量百分比为14.0％的Na2O，0.1％的Fe2O3，1.1％的Al2O3，0.25％的SO3，9.0％的CaO，3.8％的MgO，其余用SiO2补齐。The present invention is mainly applied to high-temperature glass, or soda-lime-silicate glass, and the commonly used raw material ratio is 14.0% Na 2 O, 0.1% Fe 2 O 3 , 1.1% Al 2 O 3 , 0.25% SO 3 , 9.0% CaO, 3.8% MgO, and the rest is filled with SiO 2 .
采用脱毛剂制作玻璃的方法包括下述步骤：The method for making glass by using a depilatory agent may further comprise the steps:
A、将混合好的玻璃配合料放入耐高温器皿内，本实施例中耐高温器皿选用铂金平底锅，或称为坩埚，其必须是坩锅壁较厚的坩锅，并且坩锅内壁必须光滑，在配合料表面采用滴加的方式加入溴化锂溶液，本实施例中，根据平底铂金锅的大小的不同，滴加的溴化锂溶液的量也不同，通常生产的玻璃重量为20～25克之间，加入1ml左右的溴化锂溶液，只要满足溴化锂溶液完全覆盖在配合料的上表面即可；A. Put the mixed glass batch into a high-temperature-resistant vessel. In this embodiment, the high-temperature-resistant vessel is a platinum pan, or a crucible. It must be a crucible with a thicker wall, and the inner wall of the crucible must be The lithium bromide solution is added dropwise on the surface of the batch material. In this example, the amount of lithium bromide solution added dropwise varies according to the size of the flat-bottomed platinum pot. Usually, the weight of the glass produced is between 20 and 25 grams. , add about 1ml of lithium bromide solution, as long as the lithium bromide solution completely covers the upper surface of the batch;
B、将玻璃配合料在室温下放入高温炉内，利用1.2小时～1.8小时将玻璃配合料由室温升温到1400℃～1600℃，并在高温炉内保温1～5小时(本发明中的熔化温度，即高温炉内温度和反应时间都可以采用范围控制，根据玻璃成分特点，为了减少气泡、结石等玻璃缺陷，结合玻璃窑炉生产经验，温度低时，高温熔化保温时间长些；如果温度高时，高温熔化保温时间可以缩短些。一般情况下，熔化温度可以达到1400℃～1600℃，高温熔化保温时间为1～5小时)，后在高温炉内降温到室温后(根据某些高温炉的设置特点，必须设置一个数据，通常设置到0～25℃，其实就是降到室温，对于某些高温炉，设置在高温阶段保温一段时间后，可以直接关掉高温炉，自然降温，至室温拿出坩锅。)，拿出，即为成品。B. Put the glass batch material in the high-temperature furnace at room temperature, use 1.2 hours to 1.8 hours to raise the temperature of the glass batch material from room temperature to 1400 ° C ~ 1600 ° C, and keep it in the high temperature furnace for 1 ~ 5 hours (in the present invention The melting temperature, that is, the temperature in the high-temperature furnace and the reaction time can be controlled within a range. According to the characteristics of the glass composition, in order to reduce glass defects such as air bubbles and stones, combined with the production experience of glass furnaces, when the temperature is low, the high-temperature melting and holding time is longer; if When the temperature is high, the high temperature melting holding time can be shortened. Generally, the melting temperature can reach 1400 ° C ~ 1600 ° C, and the high temperature melting holding time is 1 ~ 5 hours), and then cool down to room temperature in the high temperature furnace (according to some The setting characteristics of the high temperature furnace must set a data, usually set to 0 ~ 25 ℃, in fact, it is lowered to room temperature, for some high temperature furnaces, after setting the high temperature stage for a period of time, you can directly turn off the high temperature furnace and cool down naturally. Take out the crucible at room temperature.), take it out, and it is the finished product.
下面将以几个具体实例对本发明的方法进行进一步说明。The method of the present invention will be further described below with several specific examples.
实施例一：Embodiment one:
A、将混合好的玻璃配合料放入铂金平底锅，在配合料表面滴加浓度为0.08％的溴化锂水溶液，使溴化锂溶液完全覆盖配合料表面；A. Put the mixed glass batch material into a platinum pan, and drop a lithium bromide aqueous solution with a concentration of 0.08% on the surface of the batch material, so that the lithium bromide solution completely covers the surface of the batch material;
B、将玻璃配合料在室温下放入高温炉内，利用1.2小时将玻璃配合料由室温升温到1400℃，并在高温炉内保温5小时，后在高温炉内降温到室温后，拿出，即为成品。B. Put the glass batch material into the high-temperature furnace at room temperature, use 1.2 hours to raise the temperature of the glass batch material from room temperature to 1400 ° C, and keep it in the high-temperature furnace for 5 hours, and then cool it down to room temperature in the high-temperature furnace, take it out , which is the finished product.
经检验，所得玻璃片符合要求。After inspection, the obtained glass flakes meet the requirements.
实施例二：Embodiment two:
A、将混合好的玻璃配合料放入铂金平底锅，在配合料表面滴加浓度为0.09％的溴化锂水溶液，使溴化锂溶液完全覆盖配合料表面；A. Put the mixed glass batch material into a platinum pan, and drop a lithium bromide aqueous solution with a concentration of 0.09% on the surface of the batch material, so that the lithium bromide solution completely covers the surface of the batch material;
B、将玻璃配合料在室温下放入高温炉内，利用1.3小时将玻璃配合料由室温升温到1450℃，并在高温炉内保温4小时，后在高温炉内降温到室温后，拿出，即为成品。B. Put the glass batch material into the high-temperature furnace at room temperature, use 1.3 hours to raise the temperature of the glass batch material from room temperature to 1450 ° C, and keep it in the high-temperature furnace for 4 hours, and then cool it down to room temperature in the high-temperature furnace, take it out , which is the finished product.
经检验，所得玻璃片符合要求。After inspection, the obtained glass flakes meet the requirements.
实施例三：Embodiment three:
A、将混合好的玻璃配合料放入铂金平底锅，在配合料表面滴加浓度为0.10％的溴化锂水溶液，使溴化锂溶液完全覆盖配合料表面；A. Put the mixed glass batch material into a platinum pan, and drop a lithium bromide aqueous solution with a concentration of 0.10% on the surface of the batch material, so that the lithium bromide solution completely covers the surface of the batch material;
B、将玻璃配合料在室温下放入高温炉内，利用1.5小时将玻璃配合料由室温升温到1500℃，并在高温炉内保温3小时，后在高温炉内降温到室温后，拿出，即为成品。B. Put the glass batch material into the high-temperature furnace at room temperature, use 1.5 hours to raise the temperature of the glass batch material from room temperature to 1500 ° C, and keep it in the high-temperature furnace for 3 hours, and then cool it down to room temperature in the high-temperature furnace, take it out , which is the finished product.
经检验，所得玻璃片符合要求。After inspection, the obtained glass flakes meet the requirements.
实施例四：Embodiment four:
A、将混合好的玻璃配合料放入铂金平底锅，在配合料表面滴加浓度为0.11％的溴化锂水溶液，使溴化锂溶液完全覆盖配合料表面；A. Put the mixed glass batch material into a platinum pan, and drop a lithium bromide aqueous solution with a concentration of 0.11% on the surface of the batch material, so that the lithium bromide solution completely covers the surface of the batch material;
B、将玻璃配合料在室温下放入高温炉内，利用1.6小时将玻璃配合料由室温升温到1550℃，并在高温炉内保温2小时，后在高温炉内降温到室温后，拿出，即为成品。B. Put the glass batch material into the high-temperature furnace at room temperature, use 1.6 hours to raise the temperature of the glass batch material from room temperature to 1550 ° C, and keep it in the high-temperature furnace for 2 hours, and then cool it down to room temperature in the high-temperature furnace, take it out , which is the finished product.
经检验，所得玻璃片符合要求。After inspection, the obtained glass flakes meet the requirements.
实施例五：Embodiment five:
A、将混合好的玻璃配合料放入铂金平底锅，在配合料表面滴加浓度为0.12％的溴化锂水溶液，使溴化锂溶液完全覆盖配合料表面；A. Put the mixed glass batch material into a platinum pan, and drop a lithium bromide aqueous solution with a concentration of 0.12% on the surface of the batch material, so that the lithium bromide solution completely covers the surface of the batch material;
B、将玻璃配合料在室温下放入高温炉内，利用1.8小时将玻璃配合料由室温升温到1600℃，并在高温炉内保温1小时，后在高温炉内降温到室温后，拿出，即为成品。B. Put the glass batch material into the high-temperature furnace at room temperature, use 1.8 hours to raise the temperature of the glass batch material from room temperature to 1600 ° C, and keep it in the high-temperature furnace for 1 hour, and then cool it down to room temperature in the high-temperature furnace, take it out , which is the finished product.
经检验，所得玻璃片符合要求。After inspection, the obtained glass flakes meet the requirements.
溴化锂水溶液浓度并不仅限于上述列举的浓度值，限于文件的篇幅，本发明中不能对溴化锂水溶液浓度进行一一列举，只要浓度值范围在本发明范围内的溴化锂水溶液均可采用。Lithium bromide aqueous solution concentration is not limited to the concentration value of above-mentioned enumeration, is limited to the length of document, can not enumerate one by one to lithium bromide aqueous solution concentration in the present invention, as long as the lithium bromide aqueous solution within the scope of the present invention all can adopt concentration value scope.
本发明中将脱毛剂转领域应用于制作玻璃中，达到了意想不到的效果。使用脱毛剂后，使制作玻璃操作方法简单易行，安全可靠，制作出来的玻璃片便于测试。和以前传统的方法相比，有以下几个优点：In the present invention, the hair removal agent is transferred to the field and applied to making glass, which achieves unexpected effects. After using the depilatory agent, the operation method of making glass is simple, safe and reliable, and the produced glass pieces are convenient for testing. Compared with the previous traditional methods, it has the following advantages:
1、使用本发明的方法只用一台高温炉即可，而且可以连续作业，玻璃液不用移来移去，同时达到配合料熔化、玻璃成型、退火的目的。人员便于操作，避免高温灼伤，玻璃液倒偏等。对于成型铁板而言，避免玻璃液与铁板粘连，造成玻璃片污染。1. Only one high-temperature furnace is needed to use the method of the present invention, and it can be operated continuously, and the molten glass does not need to be moved back and forth, and at the same time, the purposes of batch melting, glass forming and annealing are achieved. It is easy for personnel to operate, avoiding high-temperature burns, glass liquid inversion, etc. For the formed iron plate, avoid the adhesion of the glass liquid and the iron plate to cause contamination of the glass sheet.
2、成型退火好后的玻璃在室温时拿出来，便于操作，坩锅内的玻璃可以轻而易举的从坩锅内脱离出来，而不会和坩锅壁有任何的粘结。2. The formed and annealed glass is taken out at room temperature, which is easy to operate. The glass in the crucible can be easily separated from the crucible without any bonding with the crucible wall.
3、制做好的玻璃片上下表面平整光滑，便于检测其他性能。而用铁板成型的玻璃由于表面张力的原因，玻璃板上表面从中间到边部易形成弧形，平整度、光滑度不够；下表面易粘结铁板上的铁锈，测试时难以操作。3. The upper and lower surfaces of the finished glass sheet are smooth and smooth, which is convenient for testing other properties. However, due to the surface tension of the glass formed by the iron plate, the upper surface of the glass plate is easy to form an arc from the middle to the edge, and the flatness and smoothness are not enough; the rust on the iron plate is easily bonded to the lower surface, which is difficult to operate during the test.
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| CN101498675A (en) * | 2009-03-05 | 2009-08-05 | 天津钢铁有限公司 | X-ray fluorescence spectrum analysis method for continuous casting mold flux |
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| CN101498675A (en) * | 2009-03-05 | 2009-08-05 | 天津钢铁有限公司 | X-ray fluorescence spectrum analysis method for continuous casting mold flux |
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