Hydroxyethyl cellulose (HEC) bụ ihe dị mkpa na-edozi mmiri nke na-arụ ọrụ dị mkpa n'ịgba mmanụ. Dị ka ihe mmepụta cellulose nwere ihe pụrụ iche nke anụ ahụ na kemịkal, a na-eji HEC eme ihe n'ọtụtụ ebe na-egwupụta mmanụ na ọrụ mmepụta mmanụ.
1. Ihe ndị bụ isi nke hydroxyethyl cellulose (HEC)
Hydroxyethyl cellulose (HEC) bụ ihe na-abụghị ionic mmiri-soluble ogige polymer nwetara site kemịkalụ mgbanwe nke eke cellulose. Site n'iwebata otu hydroxyethyl n'ime usoro ihe omimi nke cellulose, HEC nwere hydrophilicity siri ike, ya mere enwere ike igbari ya na mmiri iji mepụta ngwọta colloidal na ụfọdụ viscosity. HEC nwere ihe owuwu molekụla kwụsiri ike, nguzogide okpomọkụ siri ike, akụrụngwa kemịkalụ na-adịghị ahụkebe, na ọ naghị egbu egbu, enweghị isi, ma nwee ezigbo biocompatibility. Àgwà ndị a na-eme ka HEC bụrụ ihe mgbakwunye kemịkal dị mma na mkpọpu mmanụ.
2. Usoro nke HEC na-egwupụta mmanụ
2.1 Na-achịkwa viscosity mmiri mmiri
N'oge a na-egwupụta mmanụ, mmiri mmiri (nke a makwaara dị ka apịtị mmiri) bụ mmiri dị mkpa na-arụ ọrụ nke ọma, nke a na-ejikarị eme ka ọ dị jụụ ma na-ete mmanụ ahụ, na-ebu osisi, mee ka mgbidi dị n'olulu mmiri guzosie ike, na-egbochi nkwụsị. HEC, dị ka thickener na rheology modifier, nwere ike imeziwanye mmetụta ya na-arụ ọrụ site n'ịgbanwe viscosity na rheological Njirimara nke igwu mmiri mmiri. Mgbe HEC gbazere n'ime mmiri na-egwupụta ihe, ọ na-etolite usoro netwọkụ nwere akụkụ atọ, nke na-eme ka viscosity nke mmiri mmiri na-egwupụta nke ọma, si otú a na-eme ka ikike ibu ájá nke mmiri na-egwupụta ihe, na-ahụ na a ga-esi na mkpụrụ osisi ahụ pụta nke ọma. ala nke olulu mmiri, na igbochi mgbochi olulu mmiri.
2.2 Well mgbidi kwụsie ike na mgbochi nke ọma ida
Nkwụsi ike mgbidi nke ọma bụ okwu dị oke egwu na injinia. N'ihi mgbagwoju anya nke usoro stratum n'okpuru ala na nrụgide nrụgide na-eme n'oge a na-egwupụta ihe, mgbidi olulu mmiri na-adịkarị mfe ịdaba ma ọ bụ enweghị ike. Ojiji nke HEC na-egwupụta mmiri nwere ike imeziwanye ikike nchịkwa nke ịgbapu mmiri nke ọma, belata nzacha nke mmiri ịgbapu mmiri na nhazi ya, wee mepụta achicha apịtị buru ibu, gbanye nke ọma micro cracks nke mgbidi olulu mmiri, ma gbochie mgbidi ọma ka ọ ghara ịdị na-akwụsi ike. Mmetụta a dị oke mkpa maka ịnọgide na-eguzosi ike n'ezi ihe nke mgbidi olulu mmiri ma na-egbochi ịdaba nke ọma, karịsịa na nhazi nke nwere ike ike.
2.3 Usoro usoro siri ike dị ala na uru gburugburu ebe obibi
A na-agbakwunye ọtụtụ ihe siri ike na usoro mmiri mmiri ọdịnala iji meziwanye viscosity na nkwụsi ike nke mmiri mmiri. Otú ọ dị, irighiri ahụ siri ike dị otú ahụ na-adị mfe iyi n'elu akụrụngwa na-egwupụta ihe ma nwee ike ịkpata mmetọ mmiri na mmepụta olulu mmiri mmanụ na-esote. Dị ka onye na-arụ ọrụ nke ọma, HEC nwere ike ịnọgide na-enwe ezigbo viscosity na rheological Njirimara nke mmiri na-egwupụta mmiri n'okpuru ọnọdụ nke ọdịnaya siri ike dị ala, belata iyi na ngwá ọrụ, ma belata mmebi nke mmiri mmiri. Na mgbakwunye, HEC nwere ezigbo biodegradability na agaghị eme ka mmetọ na-adịgide adịgide na gburugburu ebe obibi. Ya mere, na-esiwanye ike gburugburu ebe obibi chọrọ taa, uru ngwa nke HEC bụ ihe doro anya.
3. Uru nke HEC na-egwupụta mmanụ
3.1 Ezi mmiri solubility na ndim mmetụta
HEC, dị ka ihe na-eme ka mmiri na-eme ka mmiri na-emepụta ihe, nwere ezigbo solubility n'okpuru ọnọdụ àgwà mmiri dị iche iche (dịka mmiri ọhụrụ, mmiri nnu, wdg). Nke a na-enyere HEC aka iji mee ihe na gburugburu ebe obibi dị mgbagwoju anya, karịsịa na gburugburu salinity dị elu, ma ka nwere ike ịnọgide na-arụ ọrụ nke ọma. Ya ndim mmetụta dị ịrịba ama, nke nwere ike n'ụzọ dị irè melite rheological Njirimara nke mkpọpu mmiri mmiri, ibelata nsogbu nke cuttings deposition, ma melite mkpọpu ala arụmọrụ.
3.2 Magburu onwe okpomọkụ na nnu na-eguzogide
N'ime mmiri miri emi na nke dị omimi, nhazi okpomọkụ na nrụgide dị elu, na mmiri mmiri na-ekpo ọkụ na-emetụta ngwa ngwa site na nnukwu okpomọkụ na nrụgide dị elu ma tụfuo ọrụ mbụ ya. HEC nwere usoro mkpụrụ ndụ kwụsiri ike ma nwee ike ịnọgide na-enwe viscosity na akụrụngwa rheological ya na oke okpomọkụ na nrụgide. Tụkwasị na nke a, na gburugburu ebe e guzobere salinity dị elu, HEC ka nwere ike ịnọgide na-enwe mmetụta dị mma nke na-eme ka mmiri na-ekpo ọkụ ghara ikpokọta ma ọ bụ na-eme ka ọ ghara ịda mbà n'ihi nkwụsị ion. Ya mere, HEC nwere oke okpomọkụ na nguzogide nnu n'okpuru ọnọdụ geological dị mgbagwoju anya ma na-ejikarị eme ihe na olulu mmiri miri emi na ọrụ mgbapu siri ike.
3.3 Ịrụ mma mmanu mmanu
Nsogbu esemokwu n'oge a na-egwupụta ihe bụkwa ihe dị mkpa na-emetụta arụmọrụ mkpọpu ihe. Dị ka otu n'ime mmanu mmanu na mmiri mmiri, HEC nwere ike belata ọnụ ọgụgụ esemokwu dị n'etiti ngwaọrụ mgbapu na mgbidi olulu mmiri, belata uwe akụrụngwa, na ịgbatị ndụ ọrụ nke ngwa ọrụ. Akụkụ a na-apụta ìhè karịsịa na olulu mmiri kwụ ọtọ, olulu mmiri na-achọsi ike na ụdị olulu mmiri ndị ọzọ, nke na-enyere aka ibelata ọdịda nke ọdịda ọdịda ma melite arụmọrụ arụmọrụ n'ozuzu ya.
4. Ngwa bara uru na nlezianya nke HEC
4.1 Usoro dose na njikwa itinye uche
Usoro dosing nke HEC na-emetụta kpọmkwem mgbasa ya na mgbasa ya na mmiri mmiri. Na-emekarị, HEC kwesịrị iji nwayọọ nwayọọ tinye ya na mmiri mmiri na-egwupụta ihe n'okpuru ọnọdụ mkpali iji hụ na enwere ike ịgbaze ya nke ọma ma zere agglomeration. N'otu oge ahụ, iji ntinye uche nke HEC kwesịrị ka a na-achịkwa nke ọma dị ka ọnọdụ nhazi ahụ si dị, ihe ndị na-eme ka mmiri na-arụ ọrụ chọrọ, wdg. Oke dị elu nwere ike ime ka mmiri na-egwupụta ihe na-adị oke viscous ma na-emetụta mmiri mmiri; ebe oke ntinye uche nwere ike ọ gaghị enwe ike itinye mmetụta ya na-eme ka ọ sie ike. Ya mere, mgbe ị na-eji HEC, ọ ga-eme ka ọ dịkwuo mma ma gbanwee dịka ọnọdụ n'ezie.
4.2 Ndakọrịta na mgbakwunye ndị ọzọ
N'ime sistemu mmiri na-egwupụta ihe, a na-agbakwunyekarị ihe mgbakwunye kemịkalụ dị iche iche iji nweta ọrụ dị iche iche. Ya mere, ndakọrịta n'etiti HEC na ihe mgbakwunye ndị ọzọ bụkwa ihe dị mkpa ka a tụlee. HEC na-egosi ezigbo ndakọrịta na ọtụtụ ihe mgbakwunye mmiri na-agbapu mmiri dị ka ndị na-ebelata mmiri mmiri, lubricants, stabilizers, wdg, mana n'okpuru ọnọdụ ụfọdụ, ụfọdụ mgbakwunye nwere ike imetụta mmetụta na-abawanye ma ọ bụ solubility nke HEC. Ya mere, mgbe ị na-emepụta usoro ahụ, ọ dị mkpa iji nlezianya tụlee mmekọrịta dị n'etiti ihe mgbakwunye dị iche iche iji hụ na nkwụsi ike na nkwụsi ike nke ịrụ ọrụ mmiri mmiri.
4.3 Nchedo gburugburu ebe obibi na ọgwụgwọ mmiri mkpofu
Site na ụkpụrụ nchebe gburugburu ebe obibi na-esiwanye ike, ịdị mma gburugburu ebe obibi nke mmiri na-egwupụta mmiri ejirila nwayọọ nwayọọ nata nlebara anya. Dị ka ihe nwere ezigbo biodegradability, iji HEC nwere ike belata mmetọ nke mmiri mmiri na-egwupụta ihe na gburugburu ebe obibi. Otú ọ dị, mgbe e gwuchara, mmiri mkpofu nwere HEC ka kwesịrị ka a gwọọ ya nke ọma iji zere mmetụta ọjọọ na gburugburu ebe obibi. N'ime usoro ọgwụgwọ mmiri mkpofu, usoro ọgwụgwọ sayensị dị ka mgbake mmiri na-emebi emebi kwesịrị ịnakwere yana nchikota ụkpụrụ nchekwa gburugburu ebe obibi na ihe ndị chọrọ teknụzụ iji hụ na ebelata mmetụta na gburugburu ebe obibi.
Hydroxyethyl cellulose (HEC) na-arụ ọrụ dị mkpa n'ịgba mmanụ. N'ịbụ nke dị mma nke mmiri solubility, ndina, okpomọkụ na nguzogide nnu na mmetụta lubrication, ọ na-enye ngwọta a pụrụ ịdabere na ya maka imeziwanye arụmọrụ nke mmiri mmiri. N'okpuru ọnọdụ ala dị mgbagwoju anya na gburugburu ebe arụ ọrụ siri ike, ntinye nke HEC nwere ike imeziwanye arụmọrụ nke mkpọpu ihe nke ọma, belata uwe akụrụngwa, ma hụ na nkwụsi ike nke ọma. Site na ọganihu nke teknụzụ ụlọ ọrụ mmanụ na-aga n'ihu, atụmanya ngwa nke HEC na-egwupụta mmanụ ga-aba ụba.
Oge nzipu: Sep-20-2024