1. Gabatarwa da rarrabuwa na siminti / turmi mai daidaita kai
Siminti / turmi mai daidaita kai nau'i ne wanda zai iya samar da fili mai faɗi da santsi wanda za'a iya shimfiɗa ƙarshen ƙarshe (kamar kafet, bene na katako, da sauransu).Maɓallin aikinsa na buƙatun sun haɗa da saurin tauri da ƙarancin raguwa.Akwai tsarin bene daban-daban akan kasuwa kamar tushen siminti, tushen gypsum ko gaurayawan su.A cikin wannan labarin za mu mai da hankali kan tsarin gudana tare da kaddarorin daidaitawa.Ƙasar hydraulic mai gudana (idan an yi amfani da ita azaman murfin rufewa na ƙarshe, ana kiranta kayan abu; idan an yi amfani da shi azaman tsaka-tsakin tsaka-tsakin tsaka-tsaki, ana kiransa kayan matashin kai) gabaɗaya ana magana da su azaman: matakin ciminti na tushen kai. bene (Layer Layer) da siminti-tushen bene mai daidaita kai (launi na matashi)).
2. Samfur abu abun da ke ciki da kuma na hali rabo
Siminti/turmi mai daidaita kai abu ne mai taurin ruwa wanda aka yi da siminti a matsayin kayan tushe kuma an haɗe shi da sauran kayan da aka gyara.Ko da yake nau'o'i daban-daban a halin yanzu sun bambanta kuma sun bambanta, amma a gaba ɗaya kayan
Ba a rabuwa da nau'ikan da aka jera a ƙasa, ƙa'idar kusan iri ɗaya ce.Ya ƙunshi sassa shida masu zuwa: (1) haɗaɗɗen siminti, (2) ma'adinan ma'adinai, (3) mai sarrafa coagulation, (4) mai gyara rheology, (5) bangaren ƙarfafawa, (6) abun da ke cikin ruwa, waɗannan sune na hali rabo na wasu masana'antun.
(1) Tsarin siminti mai gauraya
30-40%
Babban simintin alumina
Simintin Portland na yau da kullun
hemihydrate gypsum / anhydrite
(2) Ma'adinan ma'adinai
55-68%
Yashi quartz
calcium carbonate foda
(3) Mai sarrafa coagulant
~0.5%
Saita retarder - tartaric acid
Coagulant - Lithium Carbonate
(4) Mai gyara Rheology
~0.5%
Superplasticizer-Mai Rage Ruwa
Defoamer
stabilizer
(5) Abubuwan ƙarfafawa
1-4%
redispersible polymer foda
(6) 20% -25%
ruwa
3. Tsarin tsari da bayanin aiki na kayan aiki
Siminti/turmi mai daidaita kai shine mafi hadadden turmi siminti.Gabaɗaya ya ƙunshi abubuwa sama da 10, mai zuwa shine dabarar bene mai daidaita kan siminti (kushion)
Bene mai daidaita kai da siminti (kushin)
Raw Material: OPC talakawa silicate ciminti 42.5R
Ma'aunin Ma'auni: 28
Raw Material: HAC625 Babban Alumina Cement CA-50
Ma'aunin Ma'auni: 10
Raw Material: Quartz Sand (70-140 raga)
Matsakaicin sashi: 41.11
Raw Material: Calcium Carbonate (500mesh)
Ma'aunin Ma'auni: 16.2
Raw Material: Hemihydrate Gypsum Semi-hydrated gypsum
Ma'aunin Ma'auni: 1
Raw Material Raw material: Anhydrite anhydrite (anhydrite)
Ma'aunin Ma'auni: 6
Raw Material: Latex Powder AXILATTM HP8029
Ma'aunin Ma'auni: 1.5
Albarkatun kasa:Cellulose etherHPMC400
Ma'aunin Ma'auni: 0.06
Raw Material: Superplasticizer SMF10
Ma'aunin Ma'auni: 0.6
Raw Material: Defoamer defoamer AXILATTM DF 770 DD
Ma'aunin Ma'auni: 0.2
Raw Material: Tartaric Acid 200 raga
Ma'aunin Ma'auni: 0.18
Raw Material: Lithium Carbonate 800 raga
Ma'aunin Ma'auni: 0.15
Raw Material: Calcium Hydrate Slaked Lemun tsami
Ma'aunin Ma'auni: 1
Raw Material: Jima'i
Yawan Ma'auni: 100
Lura: Gina sama da 5°C.
(1) Tsarin simintin sa gaba ɗaya ya ƙunshi siminti na Portland (OPC), babban simintin alumina (CAC) da simintin calcium sulfate, don samar da isasshen calcium, aluminum da sulfur don samar da calcium vanadium dutse.Wannan shi ne saboda samuwar calcium vanadium dutse yana da manyan halaye guda uku, wato (1) saurin samuwar sauri, (2) ƙarfin daurin ruwa mai yawa, da (3) ikon ƙara haɓakawa, wanda ya dace da macroscopic Properties wanda kansa. -matakin siminti/turmi dole ne ya samar da Bukatu.
(2) Matsakaicin siminti / turmi mai daidaita kai yana buƙatar yin amfani da filaye masu ƙarfi (kamar yashi quartz) da filler finer (kamar ƙarancin ƙasa calcium carbonate foda) a hade don cimma mafi kyawun tasiri.
(3) Calcium sulfate da aka samar a cikin siminti / turmi mai daidaita kai shine -hemihydrate gypsum (-CaSO4•½H2O) ko anhydrite (CaSO4);za su iya sakin sulfate radicals a cikin isasshe mai sauri ba tare da ƙara yawan amfani da ruwa ba.Tambayar da ake yawan yi ita ce me yasa ba za a iya amfani da -hemihydrate gypsum (wanda ke da sinadari iri ɗaya da -hemihydrate), wanda ya fi samuwa da tsada fiye da -hemihydrate.Amma matsalar ita ce babban rabo na -hemihydrate gypsum zai ƙara yawan amfani da ruwa, wanda zai haifar da raguwar ƙarfin turmi mai tauri.
(4) Redispersible roba foda shine maɓalli na siminti / turmi mai daidaita kai.Zai iya inganta haɓakar ruwa, juriya na abrasion, ƙarfin cirewa da ƙarfin sassauƙa.Bugu da ƙari, yana rage ma'auni na elasticity, don haka rage damuwa na ciki na tsarin.Foda na roba da za a sake tarwatsewa dole ne su iya samar da fina-finai na polymer mai ƙarfi.Samfuran siminti/turmi mai ɗorewa masu inganci sun ƙunshi foda na roba har zuwa 8%, kuma galibi siminti ne na alumina.Wannan samfurin yana ba da garantin saiti mai sauri da ƙarfi da wuri bayan sa'o'i 24, don haka saduwa da buƙatun aikin ginin rana mai zuwa, kamar ayyukan gyare-gyare.
(5) Siminti/turmi mai daidaita kai yana buƙatar saitin accelerators (kamar lithium carbonate) don cimma ƙarfin saitin siminti da wuri, da kuma masu ragewa (kamar tartaric acid) don rage saurin saitin gypsum.
(6) Superplasticizer (polycarboxylate superplasticizer) yana aiki azaman mai rage ruwa a cikin siminti / turmi mai daidaita kai kuma don haka yana ba da kwarara da haɓaka aiki.
(7) The defoamer ba zai iya kawai rage abun ciki na iska da kuma inganta karshe ƙarfi, amma kuma samun uniform, santsi da m surface.
(8) Ƙananan adadin stabilizer (irin su cellulose ether) zai iya hana rabuwa da turmi da kuma samuwar fata, don haka haifar da mummunan tasiri a kan abubuwan da suka dace na ƙarshe.Rubutun robar da za a sake tarwatsewa suna ƙara haɓaka kaddarorin kwarara kuma suna ba da gudummawa ga ƙarfi.
4. Bukatun ingancin samfur da fasaha masu mahimmanci
4.1.Abubuwan buƙatu na asali don siminti / turmi mai daidaita kai
(1) Yana da ruwa mai kyau, kuma yana da kyawawan kaddarorin daidaitawa a cikin yanayin kauri na ƴan milimita, kuma
slurry yana da kwanciyar hankali mai kyau, ta yadda zai iya rage munanan al'amura kamar su rarrabuwar kawuna, zubar jini, da kumfa.
Kuma ya zama dole don tabbatar da isasshen lokacin amfani, yawanci fiye da mintuna 40, don sauƙaƙe ayyukan gini.
(2) Lalaci ya fi kyau, kuma saman ba shi da lahani bayyananne.
(3) A matsayin kayan ƙasa, ƙarfin ƙarfinsa, juriya na lalacewa, juriya mai tasiri, juriya na ruwa da sauran kayan aikin jiki
Ayyukan ya kamata ya dace da buƙatun ginin ginin gida na gaba ɗaya.
(4) Dorewa ya fi kyau.
(5) Ginin yana da sauƙi, sauri, ceton lokaci da aiki.
4.2.Babban kayan fasaha na siminti / turmi mai daidaita kai
(1) Motsi
Ruwan ruwa alama ce mai mahimmanci da ke nuna aikin siminti/turmi mai daidaita kai.Yawanci, yawan ruwa ya fi 210-260mm.
(2) Kwanciyar hankali
Wannan fihirisa fihirisa ce da ke nuna daidaiton siminti/turmi mai daidaita kai.Zuba gauraye slurry a kan farantin gilashin da aka sanya a kwance, lura bayan minti 20, kada a sami zubar jini a fili, delamination, rabuwa, kumfa da sauran abubuwan mamaki.Wannan index yana da babban tasiri a kan yanayin yanayin da kuma karko na kayan bayan gyare-gyare.
(3) Ƙarfin matsi
A matsayin kayan ƙasa, wannan mai nuna alama dole ne ya bi ƙayyadaddun ƙayyadaddun gini don benayen ciminti, tumin turmi na gida na yau da kullun.
Ana buƙatar ƙarfin matsawa na bene na farko ya kasance sama da 15MPa, kuma ƙarfin matsawa na simintin siminti yana sama da 20MPa.
(4) Ƙarfin sassauƙa
Ƙarfin sassauƙa na siminti/turmi mai sarrafa kansa na masana'antu ya kamata ya fi 6Mpa.
(5)Lokacin coagulation
Don lokacin saita siminti / turmi mai daidaita kai, bayan tabbatar da cewa slurry yana motsawa daidai, tabbatar da cewa lokacin amfani da shi ya fi mintuna 40, kuma aikin ba zai shafi aikin ba.
(6) Tasirin juriya
Ciminti / turmi mai daidaitawa ya kamata ya iya jure wa tasirin jikin mutum da jigilar abubuwa a cikin zirga-zirgar al'ada, kuma tasirin tasirin ƙasa ya fi girma ko daidai da joules 4.
(7) Sanya juriya
Siminti/turmi mai daidaita kai a matsayin abin da ke ƙasa dole ne ya jure zirga-zirgar ƙasa ta al'ada.Saboda siraran matakin matakinsa, lokacin da gindin ƙasa ya yi ƙarfi, ƙarfinsa yana kan sama ne, ba akan ƙarar ba.Saboda haka, juriya na sawa ya fi mahimmanci fiye da ƙarfin matsawa.
(8) Ƙarfin ƙwanƙwasa ɗamara zuwa tushe Layer
Ƙarfin haɗin kai tsakanin ciminti / turmi mai kai da kai da tushe mai tushe yana da alaƙa kai tsaye da ko za a sami faɗuwa da faɗuwa bayan an taurare slurry, wanda ke da tasiri mafi girma akan dorewar kayan.A cikin ainihin aikin gine-gine, goga wakili na ƙasa don tabbatar da shi ya kai ga yanayin da ya fi dacewa don gina kayan haɓaka kai.Ƙarfin ɗauren haɗin kai na kayan aikin siminti na gida yawanci yana sama da 0.8MPa.
(9) Tsagewar juriya
Tsagewar juriya wata maɓalli ce ta siminti/turmi mai kai-da-kai, kuma girmansa yana da alaƙa da ko akwai tsagewa, faɗuwa, da faɗuwa bayan kayan daidaitawa ya taurare.Ko za ku iya kimanta juriyar tsaga na kayan matakin kai yana da alaƙa da ko zaku iya kimanta nasara ko gazawar samfuran kayan matakin kai daidai.
5. Gina siminti/turmi mai daidaita kai
(1) Magani na asali
Tsaftace layin tushe don cire ƙura mai iyo, tabon mai da sauran abubuwan haɗin kai mara kyau.Idan akwai manyan ramuka a cikin gindin tushe, ana buƙatar cikawa da daidaitawa magani.
(2) Maganin saman
Aiwatar da riguna guda 2 na wakili na mu'amala na ƙasa akan tsaftataccen bene.
(3) Gyaran gini
Yi lissafta adadin nau'ikan kayan daban-daban bisa ga adadin kayan, rabon ruwa-m (ko rabo mai ƙarfi) da yanki na gini, motsawa a ko'ina tare da mahaɗin, zuba slurry da aka zuga a ƙasa, kuma a hankali goge ƙwanƙwasa.
(4) Kiyayewa
Ana iya kiyaye shi bisa ga bukatun daban-daban kayan matakin kai.
Lokacin aikawa: Dec-06-2022