Gypsurization gypsum bụ gas gas na-emepụta site na ngwakọta nke ajị anụ (na-eme ihe na-eme ka a na-asa mmiri, na usoro ihe omume ọgwụ mgbochi), arụmọrụ ahụ dị na nke ahụ nke ụlọ gypsum. Ya mere, enwere nyocha ndị ọzọ na ngwa nke iji Gypsured Gypsum kama ịgụnye gypsum kewapụta ihe. Polymer na-etinye ihe dị ka mmiri na-ebelata onye na-emegharị, mmiri na-ejigide onye na-ere ahịa na onye na-azụ ahịa bụ ihe ndị dị mkpa na nchịkọta nke ihe ngwa agha. Mmekọrịta na usoro nke abụọ nke ihe ndị nwere ike ciments nwere nsogbu kwesịrị ekwesị. N'ihi njirimara nke usoro nke usoro gypsum dị obere (akụkụ ahụ na-ekesara ya nke ọma, ya na mkpado nke gypsum na-adịghị mma, yana ngwa agha Slurry kwadebere site na ya na-adịkarị mfe, stratification na ọbara ọgbụgba. Celligose Ewet bụ ihe a na-ejikarị na-emekọ ihe ọnụ, yana nkwadebe ihe dị mkpa iji nweta arụmọrụ na-eme ihe dị ka ihe dị ka igwe ọrụ na oge ikpeazụ.
Na mpempe akwụkwọ a, a na-eji uru ihe eji eme ihe (na-agbasa ogo 145 mm), na-elekwasị anya na oke nke cellul (uru mmiri) na mmiri nke onwe -LỌ ihe niile, ihe na-egbu egbu n'oge, yana agụụ iwu nke ikike dị ka oge na akụrụngwa arụ ọrụ; N'otu oge ahụ, nwalee iwu nke cellulose ether na iwepụta okpomọkụ nke okpomọkụ nke mkpụrụ obi hypsum nke ọma, ma na-ekwurita ụdị a na-adclulfurlication na despsum gelsum gelsum .
1. Ngwaọrụ na usoro nnwale
1.1 akụrụngwa
Gypsum ntụ ntụ: ntụ ọka gypsum na-emepụta site na ụlọ ọrụ na Tangshan, isi ihe mejupụtara ya na tebụl 1, na-egosipụta ihe ndị mejupụtara ya na tebụl 1.
esemese
esemese
Adixtores gụnyere: Celdrose Ewer (Hydroxypyl Methylcelllose, Hpmc maka mkpụmkpụ); ike). Defoamer B-1; Eva na-achazigharị ọkwa mbubreyo S-05, ihe niile bụ azụmahịa dị.
Nchịkọta ọnụ: ájá osimiri, ezigbo ájá dị mma na-efe efe site na a 0.6 mm sieve.
1.2 usoro nnwale
Ntughari uche debere ya: ájá = 1: 0,5: 0,5 mm 145 mm), site na idozi mmiri na-adọrọ adọrọ (na-ejikọ ya na ciment na ciment + ) 0, 0,5 ‰, 1.0 ‰, 2.0 ‰, 3.0 ‰ cellulose Ether (hpmc-20,000); A na-eme ka usoro onunu ogwu na-emeghe na 1 ‰, họrọ HPMC-20,000, HPMC-40,000, Nọmba HPDELYPROSTLOPLOPLOSTY 100,000, H4, H7.5 n'otu n'otu . A na-atụle ngwakọta nke gypsum onwe ya. A na-eme usoro nnwale ahụ dị ka ihe achọrọ nke GB / T 17669.3-1999 "mkpebi nke ngwaọrụ eji arụ ọrụ nke ụlọ Gypsum".
A na-ebute okpomoku hypderation site na iji ihe nlere nke gypsum na ihe nlere nke cellulfurdes ọdịnaya nke 0.5 ‰, na ihe eji eme ihe bu oria ta-ikuku.
2. Nsonaazụ na nyocha
2.1 Mmetụta nke callulose na-eme ihe na-ehulata na ihe nkiti
Na mmụba nke ọdịnaya ahụ, ọrụ ike nke ngwa agha na-akawanye njọ, na arụmọrụ ahụ dị oke mma, yana ngwa agha na-enweghị mgbapụta, na elu elu ahụ, A na-akwawanye nkọ na aesthetics mma nke ukwuu. N'otu oge ahụ, oriri mmiri nke ngwa agha ahụ iji mezuo otu mmiri ahụ na-abawanye nke ukwuu. Na 5 ‰, mmiri mmiri na-amụba site na 102%, na oge iru ala na-adị ogologo oge site na 100 min, nke gbara 2 nke ihe nlele ahụ. Ngwongwo mmalite nke ngwa ngwa nke ngwa agha belata nke ukwuu na mmụba nke ọdịnaya celluse ether. Mgbe ọdịnaya nke mkpụrụ osisi ether bụ 5 ‰, 24 nke na-agbada ike na ike ike belatara ruo 18.75% na 11.29% nke ihe atụ na-enweghị atụ. Ike ntụrụndụ bụ 39.47% na 23.45% nke ihe atụ ahụ dị n'otu. Ọ dị mma ịmara na mmụba nke oke mmiri na-ejigide, nnukwu ngwa agha belatara nke ukwuu, site na 2067 n'arọ / m3 na 5 ‰, mbelata nke 15.56%. Njupụta nke ngwa agha na-ebelata na possoty na-abawanye, nke bụ otu n'ime ihe kpatara ibe ya na akụrụngwa akụrụngwa nke ngwa agha.
Celligul eatha bụ onye na-abụghị nke Ionic. Ndị otu Hydroxy na cell ehun na oxygen na oxygen nwere ike ijikọ eriri mmiri iji mepụta agbụ mmiri, na-atụgharị mmiri na mmiri na mmiri, si otú ahụ na-arụ ọrụ na mgbochi mmiri. A na-egosipụta ya dị ka mmụba na coresiveness nke slurry [5]. Mmụba na virus virus agaghị abawanye oriri mmiri, kamakwa, a gbajiri agbaji ga-abụ onye na-agba agba agbajiri agbaji, na-egbochi oge nrụpụta ahụ; N'oge usoro ihe na-akpali akpali, ọnụ ọgụgụ buru ibu nke ikuku a ga-ewebata. Vovers ga-etolite dị ka ụkọ ndị ahụ na-eme ihe siri ike, emesịa belata ike nke ngwa agha. Ichebe ihe ngwakọta mmiri na-enweghị atụ, arụmọrụ owuwu, usoro owuwu na akụrụngwa nke cellsulared-na-eme ka ngwa agha nke onwe gị ghara ịgafe 1 ‰.
2.2 Mmetụta nke oke molecular nke cellulose ether na arụmọrụ nke ngwa agha
Ọ na-abụkarị, vice na nke kachasị elu nke cellulose ether, mmachi mmiri ma bulie ike nke njikọ. A ga-eme arụmọrụ ga-emetụta. Ya mere, mmetụta nke usoro akwara dị iche iche na isi ihe dị mkpa nke ihe ndị na-ahụ maka ọdịmma onwe onye gypsum-na-ahụkarị. Ọchịchọ mmiri chọrọ nke ngwa agha mụbara ruo otu oge, mana enweghị mmetụta doro anya na oge ọnọdụ na mmiri. N'otu oge ahụ, ọrịa na-agbanwe agbanwe nke ngwa agha na steeti dị iche iche gosipụtara omume dị ala, mana mbelata erughi ogo nke mkpụrụ ndụ na akụrụngwa nke igwe. Na nchịkọta, mmụba nke oke molecular nke cellulose ether enweghị mmetụta doro anya arụmọrụ nke ngwakọta ngwa ngwa. Ideringtụle ịdị mma nke owuwu, viscosity na obere molecular ibu nke ether ether na-ahọrọ ihe na-eme ka ihe dị iche iche na-eme ihe na-eme ihe.
2.3 Mmetụta callulose ether na okpomoku nke hydsured gypsum
Site na mmụba nke mkpụrụ osisi cellulose eather, obosara nke hypsum nke ji nwayọọ nwayọọ belata, ma oge oke ọkụ nke hydresMic na-agbadata, mana ọ bụghị ya doro anya. Nke a na-egosi na celluse ether nwere ike igbu oge ọnụego hypsum na-egbu egbu ruo n'otu oge, yabụ na usoro onunu ogwu ekwesighi ibu n'ime 1 ‰. Enwere ike ịhụ na ihe nkiri colloidal guzobere mgbe mkpụrụ osisi na-ezute mmiri na-eme ka mmiri gypsured, nke na-ebelata hydsum ọnụego gypsum tupu 2 h. N'otu oge, njigide mmiri ya pụrụ iche na mmetụta dị iche iche na-egbu oge na-egbu oge mmiri na-egbu egbu na nsị. Rekọkọta, mgbe a na-achịkwa usoro onunu ogwu kwesịrị ya, cellugul ether nwere oke na hydration ọnụego na ogo hydsum onwe ya. N'otu oge ahụ, mmụba nke mkpụrụ ndụ na-eli ọdịnaya na ibu molecular ga-abawanye viscosity nke slurry ma gosi arụmọrụ dị mma. Iji hụ na mmiri nke mkpụrụ osisi gypsum nke na-ahụ maka ụkọ nke ọma, mmiri mmiri ga-abawanye nke ọma, nke ahụ bụ n'ihi oge ịgbatị agbatị. Isi ihe mere na-adalata na njikwa arụ ọrụ.
3. Mmechi
(1) Mgbe a na-eji ọnya mmiri mee ihe dị ka akara nke celluluse ọdịnaya, oge nrụpụta nke ngwa agha nke na-agbada na-agbadata, yana akụrụngwa ndị ahụ na-ebelata. E jiri ya tụnyere ọdịnaya ahụ, ịdị arọ molecula nke cellulose eart mgbe mmụba ahụ na-emetụta oke na akụrụngwa dị n'elu ngwa agha. A ga-ahọrọ ya na obere molecular dị arọ (uru victose dị ala karịa paya), a ga-achịkwa usoro onunu ogwu n'ime 1 ‰ nke ihe ciment ciment.
(2) Nsonaazụ nke hydsum kpo oku nke Gypsum na-egosi na n'ime oke nke ule a, cellopose ehuru nwere oke ọnụego na hydsum usoro nke gypsum. Mmụba na mmiri mmiri na mbelata nke ukwuu na njupụta buru ibu bụ isi ihe kpatara ya na akụrụngwa arụ ọrụ nke ngwa agha gypsum.
Oge Post: May-08-2023