Sipo yemvura inoshandiswa zvakanyanya uye inoshandiswa zvakanyanya pakuchenesa, iyo inokosheswa nekuda kwekureruka kwayo uye kushanda kwayo. Zvisinei, mune dzimwe nguva, vashandisi vangada kusimba kwakakora kuti vawedzere kushanda uye kushandiswa. Hydroxyethylcellulose (HEC) chinhu chinoshandiswa pakukora chinoshandiswa kuwana viscosity inodiwa mumafomu esipo yemvura.
Dzidza nezve Hydroxyethyl Cellulose (HEC):
Maumbirwo emakemikari uye hunhu hwawo:
HEC ipolymer inonyungudika mumvura inobva mu cellulose, polymer yechisikigo inowanikwa mumadziro emasero emiti.
Maumbirwo ayo emakemikoro anosanganisira musana we cellulose une hydroxyethyl groups, zvichiita kuti inyungudike zvakanyanya mumvura uye inoenderana nemhando dzakasiyana-siyana dzemakemikari.
Maitiro ekukora:
HEC inokora zvinwiwa nekuwedzera kusimba kwemvura kuburikidza nekuchengetedza mvura uye hunhu hwekugadzira firimu.
Inoumba network ine mativi matatu mumvura, ichigadzira chimiro chakaita sejeri chinowedzera kugadzikana kwezvinwiwa.
Kuenderana nema surfactants:
HEC inoenderana zvakanaka nemasurfactants anoshandiswa mukugadzira sipo yemvura.
Kugadzikana kwayo kana paine makemikari akasiyana-siyana kunoita kuti ive yakanaka pakugadzira sipo dzakakora.
Zvinhu zvinokanganisa kukura kwesipo:
Resipi yesipo:
Zvakakosha kunzwisisa zvinhu zvikuru zvinosanganisirwa nesipo yemvura. Kuvapo kwemamwe maion, pH, nezvimwe zvinhu zvinogona kukanganisa mashandiro eHEC.
Kusviba kunodiwa:
Kunyatsojeka kwechinangwa chaunoda kunobatsira pakuona huwandu hwakakodzera hweHEC hunofanira kushandiswa.
tembiricha:
Tembiricha panguva yekugadzira inokanganisa kunyungudika uye kushanda kweHEC. Zvingada kugadziriswa zvichienderana netembiricha yekushanda.
Kuisa HEC mumabikirwo esipo yemvura:
Zvishandiso nemidziyo:
Unganidza zvinhu zvinodiwa zvinosanganisira sipo yemvura, upfu hweHEC, mvura, nezvimwe zvinowedzerwa.
Yakashongedzerwa nechirongo chekusanganisa, chinokurudzira uye chiyereso chepH.
Kugadzirira mhinduro yeHEC:
Yera huwandu hunodiwa hwehupfu hweHEC zvichienderana nekusimba kwaunoda.
Wedzera HEC zvishoma nezvishoma mumvura inodziya, uchikurunga nguva dzose kudzivirira kuungana kwemvura.
Rega musanganiswa unyorove uye uzvimbe.
Sanganisa mhinduro yeHEC nesipo yemvura:
Isa zvishoma nezvishoma HEC solution pasi pesipo yemvura uku uchikurunga zvinyoro nyoro.
Iva nechokwadi chekuti wakagovaniswa zvakaenzana kuti usaite mabundu kana kusawirirana.
Tarisa viscosity uye gadzirisa sezvinodiwa.
kugadzirisa pH:
Yera pH yemusanganiswa uye gadzirisa kana zvichidikanwa uchishandisa citric acid kana sodium hydroxide.
Kuchengetedza pH yakakwana kwakakosha kuti chigadzirwa chacho chigare zvakanaka.
Edza uye gadzirisa:
Kuongororwa kwe viscosity kwakaitwa pamatanho akasiyana-siyana kuti kuwedzere kuenzana kwe HEC.
Gadzirisa resipi zvichienderana nemigumisiro yebvunzo kusvika yawana kuenderana kwaunoda.
Kufunga nezvekugadzikana uye kuchengetwa kwezvinhu:
Sisitimu yekudzivirira ngura:
Isa nzira yakakodzera yekuchengetedza zvinhu kuti udzivise kusvibiswa kwehutachiona uye uwedzere nguva yekushanda kwesipo yakakora.
Pasuru:
Sarudza zvinhu zvakakodzera zvekurongedza zvisingazosangani nesipo yemvura kana kukanganisa kugadzikana kweHEC.
Mamiriro ekuchengetedza:
Chengeta sipo yakakora munzvimbo inotonhorera, yakaoma kure nezuva rakananga kuti irambe yakasimba uye ine hunhu kwenguva refu.
Hydroxyethylcellulose chinhu chinosimbisa sipo yemvura chinopa mhinduro yekuwana viscosity inodiwa mumafomura esipo yemvura. Nekunzwisisa hunhu hwayo, zvinhu zvinokanganisa kukora kwayo, uye maitiro ekubatanidza nhanho nhanho, vanogadzira sipo vanogona kugadzira sipo dzemvura dzemhando yepamusoro dzine kurongeka kwakanyanya uye mashandiro. Kuedza, kuyedza uye kugadzirisa zvinhu ndizvo zvinhu zvakakosha pakuita, zvichiita kuti chigadzirwa chekupedzisira chisvike pazvinodiwa zvinoshanda uye zvinoyevedza. Nekunyatsofungisisa zvinoshandiswa uye matekiniki ekugadzira, vagadziri vesipo yemvura vanogona kupa vatengi chigadzirwa chemhando yepamusoro uye chinonakidza.
Nguva yekutumira: Zvita-26-2023