Akwai ƙuntatawa wajen inganta aikin manna gypsum ta hanyar haɗa abu ɗaya. Idan aikin turmi na gypsum yana nufin cimma sakamako mai gamsarwa da kuma biyan buƙatun aikace-aikace daban-daban, ana buƙatar haɗa sinadarai, haɗa abu, cikawa da kayan aiki iri-iri don haɗa juna da kuma ƙara wa juna ilimi da kuma dacewa.
1. Maganin haɗin gwiwa
Ana raba sinadarin coagulant zuwa retarder da coagulant. A cikin turmi mai busasshe na gesso, samfurin da ke amfani da gesso da aka dafa don yin amfani da shi yana amfani da sinadarin delay coagulate, ko kuma gesso mai ruwa-ruwa guda biyu don yin amfani da shi kai tsaye yana buƙatar haɓaka sinadarin coagulant.
2. Mai hana ruwa gudu
Ta hanyar ƙara retarder zuwa kayan gini na gypsum busasshe, tsarin shayarwa na gypsum mai rabin-hydrous yana raguwa kuma lokacin tarawa yana tsawaita. Yanayin shayarwa na gypsum plaster yana da bambanci, gami da tsarin lokaci na gypsum plaster, zafin kayan gypsum, ƙarancin barbashi, lokacin saitawa da ƙimar pH na samfurin da aka gama. Kowane abu yana da tasiri kan tasirin retarding, don haka akwai manyan bambance-bambance a cikin adadin retarding wakili a ƙarƙashin yanayi daban-daban. A halin yanzu, mafi kyawun retarder na gypsum na gida shine metamorphic protein (babban furotin) retarder, yana da fa'idodin ƙarancin farashi, dogon lokaci retarder, ƙaramin raguwar ƙarfi, kyakkyawan gini, dogon lokacin buɗewa da sauransu. A cikin nau'in ƙasa, adadin shirye-shiryen gypsum stucco gabaɗaya yana cikin 0.06% ~ 0.15%.
3. Maganin haɗin gwiwa
Haɓaka lokacin juyawar slurry da tsawaita saurin juyawar slurry ɗaya ne daga cikin hanyoyin zahiri don haɓaka coagulation. Sinadaran coagulants da aka saba amfani da su a cikin kayan gini na gypsum mai hana ruwa sune potassium chloride, potassium silicate, sulfate da sauran acid. Yawan da ake amfani da shi gabaɗaya shine 0.2% ~ 0.4%.
4. Maganin riƙe ruwa
Kayan ginin busasshen gauraye na Gesso ba za su iya barin wakili mai kariya ga ruwa ba. Don inganta yawan riƙe ruwa na slurry na samfurin gypsum, tabbatar da cewa ruwa zai iya wanzuwa a cikin slurry na gypsum na dogon lokaci don samun kyakkyawan ruwa da taurarewa. Inganta iya gina kayan gini na gypsum foda, ragewa da hana rabuwa da zubar jini na slurry na gypsum, inganta kwararar slurry da ke rataye, tsawaita lokacin buɗewa, magance matsalolin ingancin injiniya kamar fashewa da ganga mara komai ba za a iya raba su da wakilin riƙe ruwa ba. Ko wakilin riƙe ruwa ya dace ya dogara ne akan wargajewarsa, saurin narkewa, ƙira, kwanciyar hankali na zafi da kauri, daga cikinsu riƙe ruwa shine mafi mahimmancin ma'auni.
Wakili mai riƙe ruwa na cellulose ether
A halin yanzu, hydroxypropyl methyl cellulose shine mafi yawan amfani a kasuwa, sai kuma methyl cellulose, da kuma carboxymethyl cellulose. Cikakken halayen hydroxypropyl methyl cellulose sun fi methyl cellulose kyau. Rike ruwa na hydroxypropyl methyl cellulose ya fi na carboxymethyl cellulose girma, amma tasirin kauri da tasirin haɗin kai sun fi muni fiye da na carboxymethyl cellulose. A cikin kayan gini na busassun gypsum, adadin hydroxypropyl da methyl cellulose yana cikin kewayon 0.1% ~ 0.3%, kuma adadin carboxymethyl cellulose yana cikin kewayon 0.5% ~ 1.0%.
Maganin riƙe ruwa na sitaci
Nau'in sitaci yana kare sinadarin ruwa a zahiri, ana amfani da shi a gesso be putty a cikin yara, samfurin stucco gesso na fuska, yana iya maye gurbin wani ɓangare ko cikakken nau'in cellulose yana kare sinadarin ruwa. Ana iya inganta iya aiki, ginawa da daidaiton slurry ta hanyar ƙara sinadarin riƙe ruwa a cikin kayan gini na gypsum. Abubuwan da ake amfani da su a sitaci sune sitaci rogo, sitaci da aka riga aka yi gelatinized, sitaci carboxymethyl, sitaci carboxypropyl. Nau'in sitaci yana kare yawan sinadarin ruwa ya kasance a cikin 0.3% ~ 1% akai-akai, idan yawan da aka yi amfani da shi ya yi yawa, haɗuwa tana sa samfurin gesso ya zama abin mamaki a ƙasa da yanayin danshi, yana shafar ingancin aikin kai tsaye.
③ Manne irin wakilin riƙe ruwa
Wasu manne masu sauri suma suna iya taka rawa mafi kyau wajen riƙe ruwa. Kamar 17-88, foda polyvinyl alcohol 24-88, koren gum da guar gum da ake amfani da su don haɗa gypsum, gypsum putty, manne mai hana gypsum da sauran kayan gini masu gauraye na gypsum, a wani adadin na shari'ar, na iya rage adadin sinadarin riƙe ruwa na cellulose. Musamman a cikin gypsum mai mannewa da sauri, yana iya maye gurbin cellulose ethers a wasu lokuta.
(4) Kayan riƙe ruwa mara tsari
Amfani da wasu kayan haɗin ruwa a cikin kayan haɗin gypsum busassun na iya rage yawan sauran kayan riƙe ruwa, rage farashin kayayyaki, da kuma inganta aiki da kuma iya gina gypsum slurry. Abubuwan da aka fi amfani da su wajen riƙe ruwa marasa tsari sune bentonite, kaolin, diatomite, zeolite foda, perlite foda, attapulgite yumbu, da sauransu.
5. Manne
Man shafawa a cikin kayan gini na gypsum busasshe ya fi na mai riƙe ruwa da mai hana ruwa shiga. Turmi mai daidaita Gesso, gesso mai mannewa, gesso mai ɗaurewa, man shafawa mai kiyaye zafi ba zai iya barin man shafawa mai mannewa ba.
Foda mai latex mai sake wargazawa:
Ana amfani da foda mai latex mai sake canzawa sosai a cikin turmi mai daidaita gypsum, manne mai hana gypsum, putty mai ɗaure gypsum da sauransu. Musamman a cikin turmi mai daidaita gypsum, yana iya sa danshi ya yi kauri, ruwa mai kyau, don rage rarrabuwa, guje wa zubar jini, inganta juriyar tsagewa da sauransu suma sun taka rawa sosai. Amfani gabaɗaya shine 1.2% ~ 2.5%.
Barasa na polyvinyl nan take:
A halin yanzu, barasar polyvinyl da aka narkar nan take tare da ƙarin allurai a kasuwa shine 24-88, 17-88 samfurin samfuri biyu, waɗanda galibi ana amfani da su a cikin filastar manne, gesso, manne mai kiyaye zafi na gesso, filastar stucco da sauran kayayyaki, yawan allurar shine 0.4% ~ 1.2% akai-akai.
Guar gum, field gelatin, carboxymethyl cellulose, sitaci ether da sauransu manne ne masu aiki daban-daban a cikin kayan gini na gypsum busasshe.
6. Mai kauri
Kauri galibi yana inganta aiki da ruwa na gypsum slurry, wanda yayi kama da manne da ruwa, amma ba gaba ɗaya ba. Wasu samfuran kauri suna da kyau wajen kauri, amma girmamawa ba ta dace ba a cikin ƙarfin haɗin kai, da kuma yawan riƙe ruwa. Lokacin yin kayan gini na gypsum busassun foda, ya kamata a yi la'akari da babban tasirin admixture sosai don a shafa admixture da kyau kuma mafi dacewa. Kayayyakin kauri da aka fi amfani da su sune polyacrylamide, kore gum, guar gum, carboxymethyl cellulose.
7. Wakilin shiga iska
Ana kuma san sinadarin shigar iska a matsayin sinadarin kumfa, wanda galibi ana amfani da shi a cikin manne mai hana gypsum, filastar filasta da sauran kayan gini iri-iri na gypsum. Maganin shigar iska (mai kumfa) yana taimakawa wajen inganta gini, juriyar tsagewa, juriyar sanyi, rage zubar jini da kuma matsalar rabuwa, yawan amfani da shi gabaɗaya yana cikin kashi 0.01% ~ 0.02%.
8. Maganin cire gashi
Ana amfani da wakili mai cirewa sau da yawa a turmi mai leveling na gesso, gesso caulking be putty in, yana iya ƙara yawan ɓangaren litattafan abu, ƙarfi, juriya ga ruwa, jima'i na caking, yawan sashi shine 0.02% ~ 0.04%.
9. Maganin rage ruwa
Rage ruwa zai iya inganta ruwan gelso slurry da ƙarfin jiki mai tauri, yawanci a turmi na gesso kai tsaye, stucco gesso. A halin yanzu, wakilin rage ruwa na gida shine wakilin rage ruwa na polycarboxylic acid, wakilin rage ruwa mai inganci na melamine, wakilin rage ruwa mai inganci na tsarin shayi, wakilin rage ruwa na lignosulfonate bisa ga ƙarfin ruwa da tasirin ƙarfi. Baya ga yawan ruwa da ƙarfi, ya zama dole a kula da lokacin saitawa da asarar ruwa na kayan gini na gypsum lokacin amfani da wakilin rage ruwa a cikin kayan gini masu gauraye na gypsum.
10. Maganin hana ruwa shiga
Babban lahani na kayayyakin gypsum shine rashin juriyar ruwa. Yankin da ke da babban zafi a iska yana da buƙatun juriyar ruwa don turmi mai gauraye na gypsum. Gabaɗaya, juriyar ruwa na jikin gypsum mai tauri yana inganta ta hanyar ƙara haɗin hydraulic. A ƙarƙashin yanayin ruwa mai jikewa ko mai cike da ruwa, ƙimar laushi na jikin gypsum mai tauri zai iya kaiwa 0.7, don biyan buƙatun ƙarfin samfurin. Hakanan ana iya amfani da haɗin sinadarai don rage narkewar gypsum (wato, ƙara yawan laushi), rage sha gypsum zuwa ruwa (wato, rage sha ruwa) da rage yashewar jikin gypsum mai tauri (wato, ware ruwa) hanyar juriyar ruwa. Maganin hana ruwa na gypsum yana da ammonium borate, methyl sodium silicate, silicone resin, kakin madara, tasirin ya fi kyau kuma wakilin hana ruwa na silicone emulsion.
11. Mai kunna aiki
Ana iya kunna gypsum na halitta da na sinadarai don ya zama mai mannewa da ƙarfi, don ya dace da samar da kayan gini na gypsum busasshe. Mai kunna acid zai iya hanzarta saurin ruwa na gypsum mai hana ruwa shiga, rage lokacin saitawa da inganta ƙarfin jikin gypsum mai hana ruwa shiga. Mai kunna alkaline ba shi da wani tasiri akan saurin ruwa na gypsum mai hana ruwa shiga, amma a bayyane yake yana iya inganta ƙarfin jikin gypsum mai hana ruwa shiga, kuma yana iya zama wani ɓangare na kayan simintin hydraulic a cikin jikin gypsum mai hana ruwa shiga, wanda ke inganta juriyar ruwa na jikin gypsum mai hana ruwa shiga. Tasirin aikace-aikacen mai kunna acid-base ya fi na mai kunna acid ɗaya ko na asali shiga. Masu kunna acid sun haɗa da potassium alum, sodium sulfate, potassium sulfate da sauransu. Masu kunna alkaline sun haɗa da quicklime, siminti, clinker siminti, dolomite calcined da sauransu.
Man shafawa na Thixotropic
Ana amfani da man shafawa na Thixovariable wajen yin gypsum ko stuccoing gypsum mai daidaita kansa, wanda zai iya rage juriyar kwararar turmi na gypsum, ya tsawaita lokacin buɗewa, ya hana rarrabawa da daidaita slurry, don sa slurry ya sami kyakkyawan man shafawa da gini, yayin da yake sanya tsarin jikin da ya taurare ya zama iri ɗaya, ya ƙara ƙarfin saman sa.
Lokacin Saƙo: Mayu-25-2022