Gypsum e ji mmiri mee ka ọ ghara ịdị ọcha bụ ihe sitere na usoro mwepụta nke gas flue gas na ụlọ ọrụ ike ọkụ coal ma ọ bụ ụlọ ọrụ ndị ọzọ na-eji mmanụ ọkụ nwere sọlfọ. N'ihi oke ike ya na-eguzogide ọkụ, ike ọgwụgwụ okpomọkụ na ike iguzogide mmiri, ejirila ya mee ihe n'ụlọ ọrụ owuwu ụlọ dị ka ihe eji arụ ụlọ. Agbanyeghị, otu n'ime ihe ịma aka kachasị na iji gypsum e ji mmiri mee ka ọ ghara ịdị ọcha bụ oke okpomọkụ ya, nke nwere ike ibute nsogbu dịka mgbawa na mgbanwe n'oge ntọala na ime ka ọ sie ike. Ya mere, ọ dị mkpa ịchọta ụzọ dị irè iji belata okpomọkụ nke mmiri gypsum e ji mmiri mee ma na-echekwa ihe onwunwe na ihe onwunwe ya.
A na-ejikarị ihe mgbakwunye cellulose ethers eme ihe n'ụlọ ọrụ owuwu iji melite ike, ike na ogologo oge nke ihe ndị e ji simenti rụọ ọrụ. Ọ bụ polima na-adịghị egbu egbu, nke a na-ere ere, nke a na-emegharị emegharị nke sitere na cellulose, ihe mejupụtara organic kachasị n'ụwa. Cellulose ether nwere ike ịmepụta ihe owuwu dị ka gel siri ike na mmiri, nke nwere ike ime ka njigide mmiri dịkwuo mma, iguzogide sag na nguzozi nke ihe ndị e ji simenti mee. Na mgbakwunye, cellulose ethers nwekwara ike imetụta usoro mmiri na ntọala nke ihe ndị e ji gypsum mee, na-emetụtakwa ihe onwunwe na ihe onwunwe ha.
Mmetụta nke cellulose ether na usoro gypsum hydration na solidification
Gypsum bụ ngwakọta calcium sulfate dihydrate nke na-emeghachi omume na mmiri iji mepụta ngọngọ hemihydrate calcium sulfate siri ike ma sie ike. Usoro mmiri na ịgbado ọkụ nke gypsum dị mgbagwoju anya ma na-agụnye ọtụtụ usoro, gụnyere nucleation, uto, kristal, na ịgbado ọkụ. Mmeghachi omume mbụ nke gypsum na mmiri na-emepụta nnukwu okpomọkụ, nke a na-akpọ okpomọkụ mmiri. Okpomọkụ a nwere ike ibute nrụgide okpomọkụ na mbelata na ihe eji gypsum eme ihe, nke nwere ike ibute mgbawa na ntụpọ ndị ọzọ.
Cellulose ethers nwere ike imetụta usoro mmiri na ntọala nke gypsum site na ọtụtụ usoro. Nke mbụ, cellulose ethers nwere ike ime ka ọrụ na nguzozi nke ihe ndị dabere na gypsum dịkwuo mma site na ịmepụta mgbasa siri ike na nke otu na mmiri. Nke a na-ebelata mkpa mmiri ma na-eme ka ihe ahụ na-agagharị, si otú a na-eme ka usoro mmiri na ntọala dịkwuo mfe. Nke abụọ, cellulose ethers nwere ike ijide ma jigide mmiri n'ime ihe ahụ site na ịmepụta netwọk dị ka gel, si otú a na-eme ka ikike mmiri nke ihe ahụ dịkwuo elu. Nke a na-eme ka oge mmiri dịkwuo ogologo ma belata ike maka nrụgide okpomọkụ na mbelata. Nke atọ, cellulose ethers nwere ike igbu oge mmalite nke usoro mmiri site na ịmịnye n'elu kristal gypsum ma gbochie uto na kristal ha. Nke a na-ebelata ọnụego okpomọkụ mbụ nke mmiri ma na-egbu oge ịtọ oge. Nke anọ, cellulose ethers nwere ike ime ka ihe ndị dabere na gypsum dịkwuo mma site n'ịbawanye ike ha, ogologo oge na iguzogide mgbanwe.
Ihe ndị na-emetụta okpomọkụ nke mmiri mmiri nke gypsum desulfurized
Okpomọkụ nke mmiri gypsum desulfurized na-emetụta site na ọtụtụ ihe, gụnyere ihe mejupụtara kemịkalụ, nha ihe dị n'ime ya, oke mmiri, okpomọkụ na ihe mgbakwunye eji eme ihe. Ihe mejupụtara kemịkalụ nke gypsum desulfurized nwere ike ịdị iche dabere na ụdị mmanụ ọkụ na usoro mmiri sulfurization ejiri. N'ikwu ya n'ozuzu, ma e jiri ya tụnyere gypsum eke, gypsum desulfurized nwere ọdịnaya dị elu nke ihe ndị na-adịghị ọcha dị ka calcium sulfate hemihydrate, calcium carbonate, na silica. Nke a na-emetụta ogo mmiri hydration na oke okpomọkụ emepụtara n'oge mmeghachi omume ahụ. Nha ihe dị n'ime ya na mpaghara elu kpọmkwem nke gypsum desulfurized ga-emetụtakwa ọnụego na ike nke okpomọkụ mmiri hydration. Obere ihe dị n'ime ya na mpaghara elu akọwapụtara nwere ike ịbawanye mpaghara kọntaktị ma mee ka mmeghachi omume ahụ dị mfe, na-ebute okpomọkụ mmiri hydration dị elu. Ọdịnaya mmiri na okpomọkụ nke ihe ahụ nwekwara ike imetụta okpomọkụ mmiri hydration site na ijikwa ọnụego na oke mmeghachi omume ahụ. Ọdịnaya mmiri dị elu na obere okpomọkụ nwere ike ibelata ọnụego na ike nke okpomọkụ mmiri hydration, ebe obere ọdịnaya mmiri na okpomọkụ dị elu nwere ike ịbawanye ọnụego na ike nke okpomọkụ mmiri hydration. Ihe mgbakwunye dịka cellulose ethers nwere ike imetụta okpomọkụ nke mmiri site na mmekọrịta na kristal gypsum ma gbanwee àgwà na omume ha.
Uru ndị nwere ike ịba site n'iji cellulose ethers iji belata okpomọkụ nke mmiri mmiri nke gypsum desulfurized
Ojiji anyị nke cellulose ethers dị ka ihe mgbakwunye iji belata okpomọkụ nke mmiri mmiri nke gypsum desulfurized na-enye ọtụtụ uru dị iche iche, gụnyere:
1. Meziwanye ike na ịdị n'otu nke ihe, nke bara uru maka ịgwakọta, itinye na nhazi nke ihe.
2. Belata mkpa mmiri ma mee ka ihe ndị dị n'ime ya dịkwuo mma, nke nwere ike ime ka ihe ndị dị n'ime ya na ojiji ha dịkwuo mma.
3. Mee ka ikike idobe mmiri nke ihe ahụ dịkwuo mma ma gbasaa oge mmiri nke ihe ahụ, si otú a belata nrụgide okpomọkụ na mbelata.
4. Mee ka mmiri ghara ịdị n'ime mmiri mbụ, mee ka oge ihe ndị ahụ sie ike ghara ịdị n'otu, mee ka okpomọkụ mmiri ghara ịdị n'otu, ma melite nchekwa na ịdị mma nke ihe ndị ahụ.
5. Mee ka ihe ndị e ji arụ ọrụ na arụmọrụ ha dịkwuo mma, nke nwere ike ime ka ihe ndị e ji arụ ọrụ dịkwuo mma, sie ike na iguzogide mgbanwe.
6. Cellulose ether anaghị egbu egbu, ọ na-emebi emebi, ọ na-emekwa ka e nwee ike imeghari ya, nke nwere ike ibelata mmetụta ya na gburugburu ebe obibi ma kwalite mmepe na-adịgide adịgide nke ụlọ ọrụ ihe owuwu.
na ngwụcha
Cellulose ethers bụ ihe mgbakwunye na-ekwe nkwa nke nwere ike imetụta usoro mmiri na ntọala nke gypsum a kpọnwụrụ akpọnwụ site na imeziwanye ọrụ, nguzozi, idobe mmiri na njirimara igwe nke ihe ahụ. Mmekọrịta dị n'etiti cellulose ethers na kristal gypsum nwere ike ibelata okpomọkụ kachasị elu nke mmiri ma gbuo oge ntọala, nke nwere ike imeziwanye nchekwa na ịdị mma nke ihe ahụ. Agbanyeghị, irè nke cellulose ethers nwere ike ịdabere na ihe ndị dị ka ihe mejupụtara kemịkalụ, nha irighiri ihe, ọdịnaya mmiri, okpomọkụ na ihe mgbakwunye ejiri mee ihe. Nnyocha n'ọdịnihu kwesịrị ilekwasị anya na imeziwanye dose na nhazi nke cellulose ethers iji nweta mbelata achọrọ na okpomọkụ nke mmiri nke gypsum a kpọnwụrụ akpọnwụ na-enweghị mmetụta na ihe onwunwe ya. Na mgbakwunye, a ga-enyocha ma nyochaa uru akụ na ụba, gburugburu ebe obibi, na mmekọrịta mmadụ na ibe ya nke iji cellulose ethers.
Oge ozi: Ọktoba-11-2023