Ammonia warshadeed (NH₃) waxaa la soo saaray iyadoo la adeegsanayo tignoolajiyada nadiifinta horumarsan iyo nidaamka xakamaynta tayada adag, oo leh nadiif ka badan 99.999% (darajada 5N), buuxinta shuruudaha adag ee nadiifnimada gaaska ee meelaha wax soo saarka ee dhamaadka-sare sida semiconductors, tamarta cusub, iyo kiimikooyinka. Alaabtu waxay u hoggaansantaa heerka qaranka GB/T 14601-2021 "Industrial Ammonia" iyo SEMI caalamiga ah, ISO iyo tilmaamo kale, waxayna leedahay xasillooni iyo badbaado labadaba.

Waa maxay isticmaalka ammonia warshadaha?

Pan-semiconductor iyo wax soo saarka elektarooniga ah

Soosaarka Chip/panel: Waxaa loo isticmaalaa silikoon nitride/gallium nitride dhigista filim khafiif ah iyo geeddi-socod si loo hubiyo hab-socodka saxda ah ee sare.

Wax-soo-saarka LED-ka: waxaa loo istcimaalaa sidii isha nitrogen si loo dhaliyo lakabyada GaN epitaxial si loo wanaajiyo waxqabadka aaladaha iftiimiya.

Tamar cusub iyo sawir-qaade

Unugyada qorraxda: waxay abuuraan lakabyo ka-hortagga-milicsiga silikoon nitride ee habka PECVD si loo hagaajiyo waxtarka beddelidda korantada.

Daaweynta dusha sare iyo farsamaynta birta

Nitriding biraha: adkaynta qaybaha farsamada si kor loogu qaado caabbinta xidhashada iyo caabbinta daalka.

Ilaalinta alxanka: sida hoos u dhigista gaasta si looga hortago oksaydhka heerkulka sare ee biraha.

Ilaalinta kiimikada iyo deegaanka

Denitrification iyo dhimista qiiqa: loo isticmaalo denitrification SCR ee tamarta kulaylka / dhirta kiimikada si loo yareeyo nitrogen oxide (NOx) qiiqa.

Isku-dubarid kiimikaad: alaabta ceeriin ee xudunta u ah soo saarista alaabta ceeriin ee kiimikada aasaasiga ah sida HOL iyo nitric acid.

Cilmi-baaris cilmiyeed iyo daryeel caafimaad

Falanqaynta shaybaadhka: loo isticmaalo sidii gaas xanbaarsan ama gaaska falcelinta ee cilmi-baadhista iyo isku-dhafka walxaha.

Nadiifin heerkul-hooseeya: dhexdhexaadiye muhiim u ah habka jeermis-diridda ee qalabka caafimaadka si loo xaqiijiyo badbaadada nadiifka ah.

Faa'iidooyinka alaabta: Nadiifinta ilaa 99.999%+, wasakhda ≤0.1ppm, oo ku habboon baahiyaha wax soo saarka ee dhamaadka-sare; sahayda dabacsan (dhululubo/taangiga kaydka/gaadiidka taangiga), shahaado badbaado oo buuxda.

Waa maxay saddexda nooc ee ammonia warshadaha?

Ammonia heerka warshadaha

Waxay isticmaashaa: adkaynta nitriding birta, kiimikooyinka isku dhafan (urea/nitric acid), ilaalinta alxanka, denitrification deegaan ahaan u wanaagsan (SCR).

Astaamaha: nadiifnimada ≥ 99.9%, buuxinta baahiyaha warshadaha guud, kharash-ool ah.

Ammonia oo nadiif ah oo heer sare ah

Isticmaalka: chips semiconductor (dhigista silikon nitride), koritaanka epitaxial LED, unugyada sawir-qaadista (Lakabka kahortagga-milicsiga PECVD).

Sifooyinka: daahirsanaanta ≥ 99.999% (5N darajo), wasakhda muhiimka ah (H₂O/O₂) ≤ 0.1ppm, ka fogaansho sax ah habka wasakheynta.

Ammonia dareere ah

Isticmaala: wax soo saar kiimiko oo baaxad weyn (sida ammonia synthetic), hababka qaboojinta warshadaha, sahayda wakiilka denitrification badan.

Astaamaha: kaydinta dareeraha ah ee cadaadiska sarreeya, hufnaanta gaadiidka sare, oo ku habboon codsiyada baaxadda leh.

Sidee loo soo saaraa ammonia warshadaha?

Isku-dubaridka alaabta ceeriin (badanaa habka Haber)

Walxaha ceeriin: hydrogen (H₂, oo ka yimid dib u habaynta gaaska dabiiciga ah/electrolysis biyaha) + nitrogen (N₂, oo ay soo saarto kala soocida hawada).

Dareen-celinta: Kaaliyeyaasha birta ku salaysan waxay kiciyaan isku-dhafka NH₃ heerkulka sare (400-500 ℃) iyo cadaadis sare (15-25MPa).

Nadiifinta gaasta

Desulfurization/decarbonization: Ka saar waxyaabaha wasakhda ah sida sulfide iyo CO gaaska ceeriin iyada oo loo marayo adsorbents (sida kaarboonka firfircoon iyo shaandhada molecular) si looga fogaado sumowga kicinta.

Nadiifinta Ammonia

Sifeynta marxalado badan: Isticmaal distillation heerkul hoose ah (-33℃ kala soocida liquefaction) + sifaynta terminal (ka saar walxaha yar yar) si loo hubiyo nadiifnimada

Kaydinta iyo baakaynta

Xaaladda Gaaska: Buuxinta cadaadiska ee dhululubada birta ah (qeexidda heerka 40L).

Xaalad dareere ah: Ku kaydi haamaha kaydinta ama baabuurta taangiyada ka dib dareeraha heerkulka hooseeya si loo hagaajiyo waxtarka gaadiidka.

Sidee loo kala saaraa ammonia?

Kala soocida heerka nadiifnimada

Ammonia heerka warshadaha

Daahirsanaanta: ≥99.9%

Isticmaalka: isku-dhafka kiimikada (urea/nitric acid), nitriding birta, denitrification ilaalinta deegaanka (SCR), ilaalinta alxanka.

Astaamaha: qiimo jaban, oo ku habboon xaaladaha warshadaha guud.

Ammonia oo nadiif ah oo heer sare ah

Daahirsanaanta: ≥99.999% (darajada 5N)

Isticmaala: dhigista filim khafiif ah oo semiconductor ah (silikon nitride/gallium nitride), koritaanka epitaxial LED, lakabka ka hortagga milicsiga unugga sawir-qaadka (PECVD).

Astaamaha: wasakhda (H₂O/O₂) ≤0.1ppm, ka fogaanshada wasakhaynta habka saxda ah, qiimaha sare.

Kala soocida qaab jireed

Gaaska ammonia

Baakadaha: dhululubada birta cadaadiska sare leh (sida dhalooyinka caadiga ah ee 40L), oo ku habboon isticmaalka dabacsanaanta yar yar.

Muuqaal: shaybaadhka, warshad yar, gaasta ilaalinta qalabka.

Ammonia dareere ah (ammonia dareere ah)

Kaydinta: heerkulka hooseeya iyo dareeraha cadaadiska sare, haanta kaydinta ama gaadiidka xamuulka ee haanta.

Muuqaalo: Isku-dubarid kiimikaad oo baaxad weyn (sida bacriminta), denitrification warshadda kulaylka (SCR), nidaamyada qaboojinta warshadaha.

Waxaa loo qaybiyaa meelaha codsiga

Kiimikada ammonia: agabka ceeriinka kiimikaad ee aasaasiga ah sida urea synthetic iyo nitric acid.

Gaasaska gaarka ah ee elegtarooniga ah: ammonia saafi ah oo sarreeya ee semiconductor, photovoltaic, iyo wax soo saarka LED.

Ammonia deegaanka: awoodda kulaylka/dhimista dhirta kiimikaad iyo dhimista qiiqa (habsocodka SCR).

Ammonia caafimaad: nadiifin heerkul hoose ah, falanqeeyaha shaybaadhka.

Sidee bay warshaddu u sii daysaa ammonia?

Sii daynta inta lagu jiro wax soo saarka iyo isticmaalka

Warshada ammonia-ka-samaynta: habka gaaska qashinka, shaabadda qalabku ma aha mid adag taas oo keentay in la raad raaco.

Warshada Kiimikada/Electronics: marka loo isticmaalo ammonia nitriding iyo etching, gaaska haraaga ah ee aan si buuxda looga falcelin waa la sii daayaa.

Kaydinta iyo daadinta gaadiidka: daadinta shilalka ah ee ay keento gabowga haamaha kaydinta/tubooyinka, cilladda valve ama khaladaadka shaqada.

Tallaabooyinka xakamaynta

Ka-hortagga farsamada iyo xakamaynta: qaado habka wax soo saarka xiran, rakib SCR/ munaaradda xayeysiinta si loo daweeyo gaaska qashinka.

U hoggaansanaanta la socodka: gaaska wakhtiga-dhabta ah + la socodka sawirka infrared, iyadoo la raacayo shuruudaha "Sharciga Kahortagga iyo Xakamaynta Wasakhowga Hawada" iyo xeerarka kale.

Huazhong Gas ayaa bixisa ammonia warshadaha saafiga ah sare, tamarta-badbaadinta iyo habka wax soo saarka hufan, dabacsan oo hababka sahayda kala duwan. Badeecadahayadu waxay la kulmaan heerarka caalamiga ah si loo xaqiijiyo xalal badbaado leh oo lagu kalsoonaan karo dhammaan qaybaha nolosha.