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???????ڣ?2019-03-26 ???ߣ? ?????

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???ž???ˮƽ?IJ?????ߣ????ڸ??ཨ???Բ???Ļǽ??ȫ?Ե?Ҫ??Ҳ?ڲ?????ߣ??ҹ????߲????ý?????Ʒ???淶???롶????Ļǽ???̼????淶????ȷҪ??߲㽨????????Χ??????߱????????ܡ?????????һ?ָ߶˵Ľ????????????˾?????ͨ???????????⣬?????п??ƻ??????ӡ????̺͸??ȵ????ܣ??ɷ?ֹ????͸?????Ϻ???Ļǽ????????????????????򣬱?֤???ǵ???????ȫ?ͼ??ٲƲ???ʧ??

2 ????????״????????չ????

????????????Խ???סլ?????ý??????Ҫ??Խ??Խ?ߣ?Ӣ???????µȹ???????ƶ??ˡ???????Ʒ???淶????????????????????ܲ??Է????ͱ?׼???????߲????ý?????Ʒ???淶???ȷ??棬??Щ????ij?̨?????????˷??????İ?ȫ???ܣ????ٽ??˷????????з???????Ŀǰ??????ȫ?????ͷ?????Ȳ??????г??????ڷ?????ҳ????????????ơ?

?ִ?¥?㽨???????Ѵӹ?ȥ??????Ϊ?ɹ??װ???ò?????ȫ?????⡢???¡?????ȶ??ֹ??ܷ???չ????ҵ??Ȩ????ʿԤ?⣺?й?????йذ?ȫ?ȷ??𡢸??Ȳ?????Ʒ???г????󽫳????á???????չ?????????ƣ?????????10%~20%???ϡ??????????????ҹ??ʽ????缰???????ר??ָ????????߲㽨????Ħ????õ??˽???????????????ʷ??????г????????г???ʿԤ????Ϊ???ڹ????г????棬ŷ????????????Լ??ж??????????޵??ձ??????????????ǵ??????????޵İĴ????ǶԷ??𡢸??Ȳ??????г?????ʮ??ǿ???????????ж??????????ڸõ???ɺ??????ȡ???ˮ??????????֣????𡢸??Ȳ???һֱ???????г???????Ԥ?ϣ?δ???๦?ܵķ??????г?ǰ???????á?

???????ⴰ??ռ???????IJ??ϣ?Ϊ?ȵIJ??????壬ʵ???ⴰ???ͻ?????????Ҫȡ???ڲ?????ѧ???ܡ????????????ԣ???????????ϵ??????ʲ?ͬ????ͬ??????ϵ??ԽС???????ȶ???Խ?ߣ??????????Dz?ȼ???ϣ????¶ȼ???仯?????????????飬?????????????¶Ⱦ?????????Ϊ?????ԣ??Բ??????ȶ???Ӱ??????????????ϵ???????⻹?벣?????ʡ???ȡ???״??Ӧ???ֲ?????????ء???Ӧ??Ҳ?Dz?????Ҫ????ѧ???ܣ????Ȳ????????Ͳ?ͬ???ͻ????¶ȱ仯??????????????ʧȥ???????????ԡ??????ò???????ѧ???ܣ???ֹ?????ܻ?ʱ?????ը?ѣ???߲??????????¶ȣ?һ??ȫ?µIJ???????????????Ӧ?˶?????

?г??ϵķ??????ж??֣????????ܺͷ?չǰ????˵????赥Ƭ???????????͸??Ϸ?????ռ?????????ƣ??ǽ?????????չ????????????Ʒ??

1994??¹?Schott??˾???Ƚ??ĸ???貣??ȫ?????ۻ????????Ƚ???΢?͸??????ռ????л??ؽ?????????????Ե????????????ϵ?һ?鸡??????貣????Ф?ع?˾?????ĵ?Ƭ????????PYRAN???Ⱦ????????Ŀ??ȳ???????־??и??????????õĹ?ѧ???ܺͽ??????????Ӿ?Ч????ͬʱ?????Ǹֻ??İ?ȫ?????????кܸߵĻ?еǿ?ȺͰ?ȫ?ԣ????????????????ܱ??ֹ??е?͸???????ȣ??ܹ??ṩ?ﵽBS62O6A????ȫ?ȼ???????ͻ??޿ɴ?2Сʱ???ϡ?

?ػʵ?ҫ?????????Ź?˾????????Ķ????з??ͼ?๥?أ???2007????????ɾ?????ȫ????֪ʶ??Ȩ???ҹ???һ????踡???????????ߡ??ػʵ???????ҵ?о????Ժ?ȿ???Ժ??ר?ң????ڴ??¸??????????ռ??????²?Ʒ?????????????Ƶ??о????????ڸ????????????ߵ????ʵ???????ϣ???????ۻ??????о????ƣ??Բ??ø??????ռ???????????????ָ?????????????һϵ?е??о???????????Ŀǰҫ?????????ŵ???ҵ???????ȶ???????2mm~10mm?ĸ???踡?????????????˹??????貣???????????ļ?????????

Ŀǰ?????⳧????ʥ????Ƥ?????¢???˸??Ϸ???????ȫ??߶??г??????۸񰺹????Ʒ?????˴󲿷ַ???ȼ??ĸ??Ϸ?????????????????????ʽ?ṹ????????????㲣???????͸?????𽺣???????????????????󽺲㷢?????ͽ????????????????????????????????ȫ?????ٲƲ???ʧ????Ȼ??????????ҵ???????޻????Ϸ??????????Dz??ó???ģ????3.4???ң???K2O??nSiO2Ϊ???????ϣ???????????Ʒ??һ????ࡣ???޻????????ϵ?ģ?????ӵ?5????ʱ?????????ͺ??Ը??ã?ʹ???в??ײ???΢?ݣ?????һ????????????Ҫ??չ????

3 ???????ķ???

???ݹ???15763.1??2009???????ð?ȫ?????????????Ĺ涨???????ͻ????ܷ??ࣺ

??1??A??????????ͻ?????ͬʱ?????????ԡ??ͻ????????Ҫ??ķ??????????ͻ??޵ȼ???Ϊ?弶???ֱ??Ӧ??ʱ??Ϊ3h??2h??1.5h??1h??0.5h??

??2??C??????????ͻ????ܽ??????ͻ???????Ҫ??ķ??????????ͻ?ȼ???Ϊ?弶???ֱ??Ӧ??ʱ??Ϊ3h??2h??1.5h??1h??0.5h??

???ղ?Ʒ?ṹ??Ϊ??Ƭ???????͸??Ϸ???????

3.1??Ƭ??????

3.1.1??ǿ?ȵ?Ƭ祿ط?????

ͨ???????????ζ???ͨ???????????????ӽ????󣬲???????????ϴ??ѹӦ?????پ????????ֻ????????????γɸ?ǿѹӦ???????????˲????Ŀ????ǿ?ȣ???Ƭ祿ط???????ǿ??????ͨ??????6~12???????ֻ???????1.5~3????

??ǿ?ȵ?Ƭ????????????????ԭ????Դ?ḻ?????????ռ򵥡??豸Ͷ???ٵ??ŵ㣬Ŀǰռ??һ?????г??ݶ??????ԭƬ???????ܴ??ڵ?ȱ?ݣ???ʯ?????˵ȣ??Լ?ǿ???????п??ܳ??ֵ?Ӧ????????Ӧ?????еȹ??????أ???Ʒ???????ȶ??Ժ?һ???????Ա?֤???????ڼ???????Ҳ?ѱ?ƬƬ?ϸ???Щ?????̰???ʹһЩ???л????????˶???һ??Ʒ???о????ƹ㡣

3.1.2??????η?????

??????????һ??ͨ???ı䲣???????ɷ֣????Ͳ?????????????ϵ??????߲????????????????¶Ⱥ???߲????????ĵ??????????Ӷ??ﵽ??ȫ????Ŀ?ĵ????ͷ??????????????????ʹ?ò?????Ϊ????????ķ???????

??????β??????????õĻ?ѧ?ȶ??ԡ??ϸߵ??????㣨Լ850?????ң????ϵ͵???????ϵ????30-40??10-7/?棩,??еǿ?ȸ?,?ڹ???һЩ?????????ʹ?ý?Ϊ?㷺???????????Ŀ??ȳ?????ܼ????????????õĹ?ѧ??????һ???????кܸߵĻ?еǿ?ȺͰ?ȫ?ԡ??ɹ㷺Ӧ???????ü???ҵ??????????桢????ǽ?????????????ż????????𣬸ò????ķ???????Զ????Ŀǰ?г??ϵĵ?Ƭ???????͸??Ϸ???????

????????????Ҫ????ָ?꣺??????845??10?棻????ϵ??(4.0??0.1)??10-6/k???ܶ?2.28??0.029/cm???????ϵ??1.2W/m??k??

3.1.3???????η?????

?????????????Ҫ??????Al2O3?ߣ?????ͣ?????????900??~920??֮?䣬??????ϵ??Ϊ25??~300??ʱ36??10-7/?棬?ڻ????ϼ???һ?㲻??ը?Ѻͱ??Σ???ֱ??????????????

3.1.4?????͸??΢????????

?ò?????????ϵ????С??????????Ϊ?????ͣ???????900?棬??Ŀǰ??????????ѵIJ?Ʒ????һ?ּ?Ϊ????ķ??????????ڳɱ??ϸߣ???Ҫ???ں??졢?????????е?????????

3.2???Ϸ?????

???Ϸ?????????????????????ϵ?ƽ?岣???м????͸???ķ???ճ????ɡ?????????ʱ????ճ????Ѹ?ٷ????????γɾ??ȵ??ͻ???ȵ???ĭ?㣬?????մ?????????????Ⱥͷ??ȷ??书?ܿ?ʹ???ַ???ʱ?????????????????Ա????????ֺ????????????Ϸ??????????ܵ????ǵĹ?ע??

???Ϸ?????????????????Ϊ?в㷨?͹ཬ????

3.2.1?ɷ?/?в㷨???Ϸ?????

?ɷ?/?в㷨???Ϸ???????????????㲣???ϸ???һ?????ˮ?????޻????𽺼в㣬???̻????︴?϶??ɣ??޻?????в??ѡ???????ˮ??????ﮡ??ع?????ˮ?????Ļ????ڻ??ַ???ʱ?ᷢ?????ͣ??γɼ?Ӳ?ķ??𽺰壬?Ӷ???Ч??ϻ??棬???????º??к????塣

???Ϸ???????????????????????ܳ?Ϊ????????ȼ???ߵIJ????????㷺Ӧ???ڴ???????ϵͳ????????ʥ????Ƥ??????ڷ??????????г???ռ??Ҫ?ݶĿǰ????????????ҵ???????޻????Ϸ??????????Dz??ó???ģ????3.4???ң???K2O??nSiO2Ϊ???????ϣ?????????????Ʒ??һ????࣬????ཬ??????????ȣ????????кܴ???ơ????޻????????ϵ?ģ?????ӵ?5????ʱ?????????ͺ??Ը??ã?ʹ???в??ײ???΢?ݣ?????һ????????????Ҫ??չ????

???ڸ??Ϸ??????Ѿ????Դﵽ????????Ļ???Ҫ?󣬵???Ʒ?е?΢???ݡ????????߷??????ܵ???????ƣ?????з?????΢?ݡ????????߷???????????ĸ????ܸ??Ϸ???????ʵ?ֲ?Ʒ?????ʵķ?Ծ???????Ʒ??Ӧ?÷?Χ???????ҹ?????????????չ?ı?Ȼ???ƣ?Ҳ?ǽ??????ܡ???ȫ??????ҵ????չ??һ????Ҫ????

Ŀǰ???Ϸ????????м???ֱ?????ó????ģ????K2O?nSiO2??ԭ?ϣ?ģ??3.4??3.6????Ϊ?????м?????ʣ????ֲ??ϵĹ???????????С????ˮ??ǿ?????????Ӵ?????????ˮ???շ????Ͻ??⣬??ʹ?ù????У??ر????????????????£?????-Si-O-Si-?????????Ѳ??ǻ???????ɲ??ϵĿɼ???͸?????½??Ͳ??????ݡ???????ȱ?ݡ?????ģ?????ӣ??????м????ϵĹ??????????ȸߣ???ѧ?ȶ?????????ߣ????ȶ??Ժͷ??????????????й????????Ͽ?ѧ?о???Ժ????????SiO2΢????ɢҺ???Ƴɸ?ģ??K2O?nSiO2?????м????ϣ?ʵ???˸????ܷ??????Ŀ????????Ͳ?Ʒ?ṹ?????ͻ???Ϊ?????ܸ??Ϸ??????Ĵ??ģ?????춨?˻?????

3.2.2??ע?ͷ?????

??2???3?㲣??ԭƬ???????????ʵ???ȼ?????ܷ⣬?м??ע?????ۺ???MgCl2??Al2??SiO4??3??ˮ?????޻?????Ϊ??ȼ???ͽ???ż?????????̻????γ?͸??????״?????벣??ճ?ӣ??γɸ???͸???ķ????????ɼӹ??ɻ??Σ?????Ч???ܺã??????ڷ????Ŵ????????쾮??????ǽ?ȡ?????Һ?ɷ?Ϊ?۱?ϩ?????л???Һ??ˮ?????޻???Һ???۱?ϩ??????????????ڴ????????????ݡ??ϻ???ȱ?㣬???𽥱????Ϸ???????ȡ????

4 ??Ƭ???????븴?Ϸ????????ܱȽ?

??Ƭ??????????߱??ͻ?ʱ?????ܹ??????????Բ????飬??????Ч????????桢?????Լ????¶????????ӣ????????õ?ͨ͸?Լ???ǿ?ȣ?ͬʱ?߱????ֵ???ӹ??ԣ????Լӹ????пշ??𡢼в???𡢶?Ĥ???????ȣ????ȡ??ͺ????ͳ?ʪ???͹??ա????ò???ɫ???????ᣬ????????Ͱ?װ?????ǵ?Ƭ?????????˽??ж????и??ס???ɰ?Ȼ?е?ӹ?????Ƭ????????C?????IJ?????ֻ???????ͻ??????ԣ??????????????Ҳ????и????ԡ??????Ѿ??γ??˹?ģ?????????????????????ۼ??????½????ҿ???????200?????ϸ????????¶??ʹ?á??ɹ㷺Ӧ???ڱ??ݡ????ꡢ??ҵ???ġ?ͼ??ݡ??????ݡ?չ???ݡ????????㲥???????ĺ?Ӱ??Ժ?ȹ??????????߲㽨???Լ???????????Ҫ??????ý???????ҵ?????ķ?????ϺͰ?ȫͨ????????Ļǽ?????????ڳ??????????ķ???

???Ϸ??????ͻ??????ȶ????Ⱦ????ͻ????????־??и????ԣ??????ǿ?Ƚϸߣ?ȱ??????ˮ???³?ʪ?????????߹??գ????????????????????ݡ????׺??ѽ??ȣ?????Ʒ???أ?ʹ?????????ڵ?Ƭ?????????ܻ??͸?????????ڷ??䡢???ȡ?ͨ???ķ????Ŵ?????????Ϻ???Ҫ??λ???????ǽ??

??Ƭ???????͸??Ϸ??????????????????ܻ???ȡ??????ʵ??ʹ???У?Ӧ???ݶԷ???????Ʒ???????ܵ?Ҫ??Ӧ?ó????Ȳ?ͬ???к?????ѡ?á?


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