HPMC ikoresha muri beto

Intangiriro

Kugeza ubu, ifuro ryakoreshwaga mu gukora beto ifuro irashobora gukoreshwa gusa mu gukora beto ifuro igihe ifite ubukana buhamye kandi butajegajega iyo ivanze n’ibishishwa kandi nta ngaruka mbi bigira ku kwegeranya no gukomera kw'ibikoresho bya sima. Hashingiwe kuri ibi, binyuze mu bushakashatsi, hiyongereyeho hydroxypropyl methyl selulose (HPMC), ni ubwoko bw’ibintu bifata ifuro, kugira ngo imikorere ya mikoro-ifu itunganijwe neza ikozwe neza.

Ifuro ubwayo ubuziranenge bwiza bugena ubwiza bwa beto, cyane cyane muri porojeri yivugurura ifu ya beto, imyanda ya beto nyuma yo kumenagura, ifu yumusyo wumupira, ikozwe nubuzima bwayo ubwinshi butaringaniye kandi hamwe nuduce nuduce twinshi twimpande zinguni, ugereranije nifuro isanzwe. ifu ya beto, itunganyirizwa ifu yububiko muri beto ya fonctionnement ya mashini irakomeye. Kubwibyo, uko gukomera, ubunini buke bwa pore, uburinganire hamwe no gukwirakwiza ifuro muri slurry, niko ubwiza bwa micropowder yongeye gutunganyirizwa ifuro ya beto. Nyamara, ni ngombwa cyane gukora ifuro rifite ubukana buhanitse, ubunini bwa pore bingana. Muburyo bwo gukoresha ifuro ryinshi, stabilisateur ifuro ifite uruhare runini. Ibyinshi muri stabilisateur ya furo ni ibikoresho bya kole, bishobora kongera ubwiza bwumuti kandi bigahindura amazi iyo bishonge mumazi. Iyo ikoreshejwe hamwe nifuro ifata ifuro, byongera byimazeyo firime yamazi ya viscosity ya furo, byongera ubworoherane bwibibyimba nimbaraga zubuso bwa firime yamazi.Ikizamini 1

1.1 ibikoresho fatizo

(1) Sima: 42.5 sima isanzwe ya Portland.

. Muri ubu bushakashatsi, micropowder yateguwe no gusya igihe cya 60min yatoranijwe.

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(5) Amazi: amazi yo kunywa. Ibintu nyamukuru bifatika byibikoresho bya sima.

1.2 Kuvanga igishushanyo mbonera no kubara

1.2.1 Kuvanga igishushanyo

Mugihe cyibigeragezo, irashobora kongera cyangwa kugabanuka kwifu ya poro ishobora kuvugururwa mubirimo, kugirango ihindure ingano yubucucike bwumutse, binyuze muburyo bwo kugereranya ingano yubunini butandukanye, ingano nyayo nigishushanyo mbonera cyagereranijwe nikigereranyo cyo kugereranya ikigereranyo cyubushakashatsi, ifu yongeyeho ifu. Amazi ya beto yubunini bugenzura muri mm 180 + 20 mm.

1.2.2 Kubara igipimo cyo kuvanga

Igishushanyo mbonera kigereranya amatsinda 9 yo guhagarika bisanzwe (100mmx100mmx100mm), bisanzwe

Umubare wuzuye wikizamini cya V0 = (0.1 × 0.1 × 0.1) x27 = 2.7 × 10-2m3, shyira hamwe V =

1.2 × 2.7 × 10-2 = 3.24 × 10-2m3, dosiye ifata ifuro M0 = 0.9V = 0.9 × 3.24 × 10-2 =

2.916 × 10-2kg, amazi asabwa kugirango agabanye ibibyimba ni MWO.

2. Ibisubizo byubushakashatsi no kuganira

Muguhindura igipimo cya HPMC, hasesenguwe ingaruka za sisitemu zitandukanye zifata kumiterere yibanze ya micro-powder yongeye gukoreshwa. Imiterere ya mashini ya buri cyitegererezo yageragejwe.

2.1 Ingaruka za dosiye ya HPMC kumikorere ya furo

Ubwa mbere, reka turebe "ibibyimba bito" na "ibibyimba byinshi". Ifuro ni ugukwirakwiza gaze mumazi. Ibibyimba birashobora kugabanwa muri "bubble bubble" hamwe na gaze nyinshi na gaze nkeya na "bubble bubyibushye" hamwe na gaze nyinshi na gaze nkeya. Bitewe no kuba hari amazi menshi, hamwe n’amazi menshi, ibishishwa bya beto ya furo byakozwe ni bito cyane, kandi amazi menshi ni menshi, byoroshye kubyara imiyoboro ya rukuruzi, bityo ifu ya pisile yongeye gukoreshwa yateguwe nimbaraga nke, nibindi ihujwe na pore, ni ifuro rito. Gazi nyinshi idafite amazi menshi, ifumbire ya stoma ni mwinshi, gusa itandukanijwe nigice gito cyamazi ya firime yamazi, kwirundanya kwinshi kwifuro nubucucike bworoshye cyane, biva muburyo bushya bwo kuvugurura ifu ya micro ifuro ifuro ya beto ifunze, imbaraga nyinshi, ni nyinshi ifuro ryinshi.

Hamwe no kwiyongera kwa dosiye ya HPMC, ubwinshi bwifuro bwiyongereye buhoro buhoro, byerekana ko ifuro ari ryinshi kandi ryinshi, agent ifuro ifuro ifuro ryinshi hafi ya 0.4% igira ingaruka zoroheje gato, zirenga 0.4% nyuma yingaruka zibujijwe, byerekana ko the viscosity yumuti wibisubizo byiyongera, bigira ingaruka kubushobozi. Hamwe no kwiyongera kwa dosiye ya HPMC, gusohora ifuro nintera yo gutura bigenda bigabanuka buhoro buhoro mubare. Mbere ya 0.4%, igipimo cyo kugabanuka ni kinini, kandi iyo igipimo kirenze 0.4%, igipimo kiragabanuka, byerekana ko hamwe no kwiyongera k'umuti wa fonction agent viscosity, amazi yo muri firime ya bubble ntabwo byoroshye gusohora cyangwa gusohora ni byinshi ntoya, kandi amazi hagati yibibyimba ntabwo byoroshye gutemba. Ububiko bwamazi ya bubble bugabanuka gahoro gahoro, igihe cyo guturika cyigihe kirekire, imbaraga za firime ya bubble yimbaraga zongerewe imbaraga, ifuro nayo ifite urwego runaka rwa elastique, kugirango ikore neza ifuro.

Yazamuwe cyane. Intera yo gutura nyuma ya 0.4% nayo irerekana ko ifuro ihagaze neza muriki gihe. Imashini ibira ifuro iragoye kubira ifuro kuri 0.8%, kandi imikorere ya ifuro ninziza kuri 0.4%, naho ubwinshi bwifuro ni 59kg / m3 muriki gihe.

2.2 Ingaruka yibirimo bya HPMC kumiterere ya micro-powder yongeye gutunganyirizwa ifuro ya beto

Hamwe no kwiyongera kwa HPMC, ubudahwema bwiyongera. Iyo ibirimo bitarenze 0.4%, ubudahwema bwiyongera buhoro buhoro kandi buhoro buhoro, kandi iyo ibirimo birenze 0.4%, igipimo cyihuta cyane, byerekana ko ifuro ari ryinshi cyane, amazi adafite ububobere buke, hamwe nubukonje bwinshi. Muburyo bwo kongera ibipimo, ubwinshi bwifuro muri slurry nibyiza murwego rwa 0.4% ~ 0,6%, kandi ubwiza bwifuro ni bubi hanze yuru rwego. Iyo ibirimo bitarenze 0.4%, ikwirakwizwa ryimyuka yo mu kirere irasa kandi irerekana inzira ihamye yo gutera imbere. Iyo ibirimo birenze ibi bikubiyemo, ikwirakwizwa ryimyuka yo mu kirere yerekana inzira igaragara itaringaniye, ishobora no guterwa nubucucike bukabije nubukonje bukabije bwifuro n’amazi mabi, bikavamo ibibyimba ntibishobora gukwirakwira muburyo bworoshye mugihe cyo kubyutsa ibintu; .

2.3 Ingaruka yibirimo bya HPMC kumikorere ya micropowder yongeye gukoreshwa ifuro ya beto

Nubwo uko ifuro ryakorwa gute, ubunini bwibibyimba byinshi ntibuzigera buba bumwe. Ikizamini cyifu yimyanda itunganijwe nyuma yo kumenagura sisitemu yo gusya, imiterere yacyo ntago ari imwe, yoroshye mubibyimba no kuvanga ibishishwa bivanze, imiterere idasanzwe yigituba hamwe nimpande, imitwe yibice bishobora kubyara ingaruka mbi cyane ya furo, bahura kuruta nk'ingingo yo guhura nubuso, kubyara guhangayika, gutera icyuma, gutera ibibyimba guturika, bityo, Gutegura micropowder yongeye gukoreshwa ifata beto bisaba guhagarara neza kwifuro. Igishushanyo cya 4 cyerekana amategeko agenga sisitemu zitandukanye zifata imikorere ya micropowder yongeye gukoreshwa.

Mbere ya 0.4%, ubwinshi bwumye bwaragabanutse buhoro buhoro kandi igipimo cyihuta, kandi amazi yinjira neza. Nyuma ya 0.4%, ubwinshi bwumye burahinduka, kandi igipimo cyo kwinjiza amazi cyiyongera gitunguranye. Muri 3D, imbaraga zo kwikuramo ahanini ntaho zitandukaniye mbere ya 0.4%, kandi agaciro kangana ni 0.9mpa. Nyuma ya 0.4%, ubukana agaciro ni buto. Imbaraga zo guhonyora kuri 7d zifite itandukaniro rigaragara. Agaciro kimbaraga kuri dosiye ya 0.0 biragaragara ko atari nini nkayo ​​kuri 0.2% na 0.4%, ariko irarenze iyo kuri 0,6% na 0.8%, naho imbaraga zingana na 0.2% na 0.4% ziracyafite itandukaniro rito. Guhindura imbaraga zagaciro kuri 28d mubyukuri byari bimwe nkibyo kuri 7d.

Dosage 0.0 shingiro yerekana ububobere buke, gukomera, gukomera ni bibi, mugikorwa cyo kuvanga ibitotsi no kugereranya condense sclerose, haribintu byinshi bimeneka, ububobere bwimbere bwikigereranyo buri hejuru, nyuma yo gukora imikorere yikigereranyo ni mibi, hamwe kwiyongera kwa dosiye, imikorere yayo igenda irushaho kuba myiza, igituba muri slurry cyatatanye cyane kandi giturika ku rugero ruto, Nyuma yo kubumba, hari imyobo myinshi ifunze mumiterere yimbere yikigereranyo, nuburyo, aperture na porosity ya ibyobo byateye imbere neza, kandi imikorere yikigereranyo ni nziza. Yerekanye uburyo bwo kugabanuka 0.4%, imbaraga nagaciro kazo ntabwo kari hejuru ya 0.0, birashobora kuba kubera ko ubwinshi bwifuro nubukonje ari binini cyane, impamvu itemewe mugikorwa cyo kuvanga ibishishwa, ifuro ntishobora kuvangwa na sima ya sima, igituba kirashobora ' t gutatana neza muburyo butandukanye, bikavamo gushiraho urugero nubunini bwurwego rutandukanye rwibibyimba, Nkigisubizo, hariho ibyobo binini hamwe nu mwobo uhujwe murugero nyuma yo gukomera no gukomera, bikavamo imiterere mibi , imbaraga nke nigipimo kinini cyo kwinjiza amazi yimyobo yimbere yikigereranyo. Mu gishushanyo, impamvu nyamukuru yo guhindura imbaraga ni ihuriro rya pore mu gice cyimbere cya micropowder ifuro ya beto

Iterambere ryimiterere ryerekana kandi ko HPMC nta ngaruka mbi igira kuri hydration ya sima. Iyo ibirimo HPMC bigereranijwe hafi ya 0.2% ~ 0.4%, imbaraga za micropowder zongeye gukoreshwa neza ziba nziza.

3 umwanzuro

Ifuro ni ikintu cya ngombwa cyo gukora beto ifunze, kandi ubwiza bwayo bufitanye isano itaziguye nubwiza bwa beto ifuro. Kugirango hamenyekane neza bihagije ifuro, agent ifuro ifuro na HPMC bivanze kugirango bikoreshe. Uhereye ku isesengura rya furo, slurry nubuziranenge bwa nyuma, usanga ko:

(1) Kwiyongera kwa HPMC bifite ingaruka nziza zo kunoza imikorere ya furo. Ugereranije na 0.0, igipimo cyo kubira ifuro cyiyongereyeho inshuro 1.8, ubwinshi bwifuro bwiyongereyeho 21 kg / m3, amazi ava amaraso 1h yagabanutseho 48 mL, intera yo guturamo yagabanutseho mm 15;

. gutatana mu gihirahiro, gabanya umwobo uhuza, umwobo munini no kugaragara kwa phenomenon nkuburyo bwo gusenyuka, dosiye ya 0.4%, Nyuma yo gushushanya ingero zaciwe, aperture yayo ni nto, imiterere yumwobo irazengurutse cyane, gukwirakwiza umwobo birasa cyane;

. Muri iki gihe, ubwinshi bwumye 442 kg / m3, 7d imbaraga zo kwikuramo 2.2mpa, 28d imbaraga zo kwikuramo 3.0mpa, kwinjiza amazi 28%. HPMC igira uruhare runini mu mikorere ya micro-powder yongeye gutunganyirizwa ifuro ya beto, ibyo bikaba byerekana ko HPMC ifite imihindagurikire myiza no guhuza neza iyo ikoreshejwe muri micro-ifu yuzuye ifu ya beto.