Kuphatikizika kwa malire kumakhala ndi malire pokonza magwiridwe antchito a gypsum. Ngati matope a matope gypsum ndikukwaniritsa zotsatira zokhutiritsa ndikukwaniritsa zofunikira zamankhwala, ma admictives mankhwala, ma gwiritsani ntchito, ndi zinthu zosiyanasiyana zimafunikira kuti zimveke bwino.
01. Coaaging Columulator
Oyang'anira ogwirizana amagawidwa makamaka komanso othamanga. Mu matope a gypsum owuma, ogulitsa amagwiritsidwa ntchito popanga pulasitala ya Paris, ndipo othamanga amafunikira kuti malonda akonzekeretse gypsum kapena pogwiritsa ntchito gysyrate gypsum.
02. Kubwezera
Kuonjezeranso zopumira kwa gypsum zouma zouma zouma zokuthandizani. Pali zinthu zambiri zokomera pulasitala, kuphatikiza gawo la kuchuluka kwa pulasitala, kukoma kwapa pulasitiki pokonzekera zinthu, kukhala bwino kwa tinthu, ndi pH yamtengo wapatali yokonzanso , kotero pali kusiyana kwakukulu mu kuchuluka kwa obwezeretsa nthawi zosiyanasiyana. Pakadali pano, wobwezera wabwinoko kwa gypsum ku China ndi mapuloteni osinthika (omwe ali ndi ma protein) obwezeretsa ndalama, omwe ali ndi nthawi yayitali, otayika okha, komanso nthawi yayitali. Ndalama zomwe zimagwiritsidwa ntchito pokonzekera pansi-osanjikiza stucco pulasitala nthawi zambiri zimakhala 0.06% mpaka 0.15%.
03. Coagulant
Kuthamangitsa nthawi yosangalatsa ndikukwera nthawi yopumira ndi imodzi mwa njira zosinthira thupi. Nthawi zambiri amagwiritsidwa ntchito ndi mankhwala opangira mankhwala omangira boyydte ufa ndi potaziyamu chloride, yilpate ndi zinthu zina za asidi. Mlingo nthawi zambiri umakhala 0,2% mpaka 0.4%.
04. Madzi osunga madzi
Gypsum zouma zomangamanga sizikugwirizana ndi othandizira osunga madzi. Kuwongolera kuchuluka kwa madzi a gypsum prpsiry ndikuwonetsetsa kuti madzi amatha kukhalapo mu gypsum slurry kwa nthawi yayitali, kuti athe kupeza zabwino hydration. Kupititsa patsogolo ntchito yomanga gypsum ufa, kuchepetsa komanso kupewa magazi a gypsum slurry, ndikusintha nthawi yotseguka, ndikuthetsa mavuto aukadaulo monga kusanja ndi kusayanjatsidwa ndi madzi osunga madzi. Kaya ndi njira yosungirako madzi ndi abwino makamaka pakubala kwake, kusungunuka nthawi yomweyo, kukhazikika kwamafuta ndi malo osungirako madzi.
Pali mitundu inayi yamadzi osunga madzi:
Madzi a Madzi a ①cellusic
Pakadali pano, zogwiritsidwa ntchito kwambiri pamsika ndi hydroxypropyl methylcelulose, kenako methyl cellulose ndi carboxymethyl cellulose. Kugwirira ntchito kwathunthu kwa hydroxypylrosell ndibwino kuposa ya methylclulose, ndipo madzi ochulukirapowa ndi okwera kwambiri kuposa a Carboxymellulose. Mu gypsum zouma zouma, kuchuluka kwa hydroxypyll ndi methyl cellulose nthawi zambiri imakhala 0,1% mpaka 0,3%, ndi kuchuluka kwa carboxymethy cellose ndi 0,5% mpaka 1.0%. Chiwerengero cha zitsanzo zambiri zofunsira chimatsimikizira kuti kuphatikiza ziwirizi ndikwabwino.
② Madzi osungunuka osungira
Madzi osungunuka omwe amagwiritsidwa ntchito makamaka amagwiritsidwa ntchito kwa gypsum putty ndi pulasitiki pulasitala, ndipo amatha kusintha mbali kapena madzi onse osungira madzi. Kuonjezera munthu wokhazikika wamadzi opukutira kwa gypsum wowuma ufa wa omanga ufa amatha kukonza zogwiritsira ntchito, kugwirira ntchito, komanso kusasinthika kwa slurry. Omwe amagwiritsa ntchito madzi okhazikika pamadzi amaphatikizapo tapioca wowuma, wotupa wopatsa mphamvu, Carboxymethyl wowuma, ndi carboxypropyl wowuma. Kuchuluka kwa wodwala wokhazikika-madzi nthawi zambiri amakhala 0,3% mpaka 1%. Ngati ndalamazo ndizazikulu kwambiri, zimayambitsa zinthu zazikuluzikulu za gypsum pamalo otentha, omwe adzakhudze mwachindunji ntchitoyo.
③ Madzi am'madzi osungika
Otsatira ena mobwerezabwereza amathanso kugwiranso ntchito yabwino yosungitsa madzi. Mwachitsanzo, 17-88, 24-88 Polyvinyl mowa ufa ndi chingamu ndipo chingamu chingamu chimagwiritsidwa ntchito ku gypsum zomangira zokhala ndi gypsum, ndi gypsum ma gypsum osinthika. Imatha kuchepetsa kuchuluka kwa mankhwala osungirako ma cellulose. Makamaka mu gypsum yolumikizira mwachangu, imatha kusintha ma elelul elel eleul.
④ Zida zam'madzi zosungira
Kugwiritsa ntchito zida zina zosungidwa m'madzi mu gypsum zida zouma zouma zimatha kuchepetsa kuchuluka kwa zida zina zosungidwa, kuchepetsa ndalama zina, komanso kusewera ndi gawo lina pakuwongolera kugwirira ntchito ndi kuphatikizika kwa gypsum slurry. Zida zovomerezeka zamadzi zochulukirapo zimaphatikizapo Bentonite, Kaolin, diatomeove padziko lapansi, loelite ufa, ufa wa Perlite, dongo la Atlite, etc.
05.Omatila
Kugwiritsa ntchito zomatira ku gypsum zouma zouma zouma ndi chachiwiri kokha kwa othandizira ndi ogulitsa. Gypsum yokhayokha yodzilimbitsa, gypsum gypsum, gypsum gypsum, ndi mafuta otenthetsera matenda a gypsum ndi osagwirizana ndi zomatira.
▲ ▲ obwezeretsedwa posachedwa
Kubwezeretsedwanso ufa wa latx kumagwiritsidwa ntchito kwambiri pa matope a gypsum, gypsum ealict, gypsum omwe akuwoneka bwino, makamaka mu matope ndi madzi abwino, komanso amagwira ntchito yochepetsera Kuchepetsa, kupewa kutaya magazi, komanso kusintha kukana kusokonekera. Mlingo nthawi zambiri umakhala 1.2% mpaka 2.5%.
Nthawi yomweyo mowa wa polyvinyl
Pakadali pano, kumwa mowa wa nthawi yomweyo, komwe kumagwiritsidwa ntchito pamsika ndi 24-88 ndi 17-88. Nthawi zambiri amagwiritsidwa ntchito muzogulitsa monga gypsum gypsum, gypsum putty, gypsum amapanga mafuta otenthetsera, komanso pulasitala. 0.4% mpaka 1.2%.
Guar Gum, Tianqing Gum, Carboxymethyl cellulose, ether ether, etc. Kodi zomatira zonse zolumikizira zomangira zomangira gypsum.
06. Thickener
Kukula kumathandiza makamaka kukonza kugwirira ntchito ndi kusanja kwa gypsum slurry, komwe kumafanana ndi zotsatsa ndi othandizira osungira madzi, koma osakhalatu. Zogulitsa zina za thickener ndizothandiza pakukula, koma osati zabwino pankhani ya kusungulumwa kolumikizana ndi kusungidwa kwamadzi. Mukamapanga gypsum youma ufa wa ufa, gawo lalikulu la mabatire ziyenera kulingaliridwa kwathunthu kuti lisagwiritse ntchito balaxtax yabwino komanso momveka bwino. Zogulitsa zochulukirapo zimaphatikizapo Polyacrylamide, Tianqing Gum, Guar Gum, Carboxymethyl cellulose, etc.
07. Othandizira
Wothandizira ndege, omwe amadziwikanso kuti wothandizirana nawo, amagwiritsidwa ntchito makamaka pazomangira zouma zouma monga gypsum zikuluzikulu ndi pulasitala. Wothandizira wa mpweya (wogwirizira) amathandizira kukonza zomanga, kugonana kukana, kukana magazi ndi tsankho, ndipo mlingo umakhala 0,02%.
08. Decomer
Decomer nthawi zambiri amagwiritsidwa ntchito ku gypsum yokhayokha yodzilimbitsa ndi gypsum yolimbitsa thupi, yomwe imatha kusintha kachulukidwe, mphamvu, kutsutsana ndi madzi ndi 0,02% mpaka 0.02%.
09. Madzi ochepetsa
Madzi ochepetsa thupi amatha kusintha madzi a gypsum slurry ndi mphamvu ya gypsum yolimba thupi, ndipo nthawi zambiri amagwiritsidwa ntchito ku gypsum yokhayokha ndi pulasitala ya pulasitala. Pakadali pano, kupangidwa ndi madzi kumanda kumayikidwa molingana ndi madzimadzi awo ndi zotsatira za ma polycaxyrate obwezeretsa madzi, ma melaboxtrate okhazikika, osinthika osinthika amadzi, ndi listosnunate madzi. Mukamagwiritsa ntchito mankhwala ochepetsa madzi mu gypsum zouma zouma, kuwonjezera pamasamba, chidwi chiyeneranso kulipidwa ndi nthawi ndi madzimadzi otayika kwa zida za gypsum pakapita nthawi.
10. Wothandizila madzi
Chitsime chachikulu kwambiri cha zinthu gypsum ndi madzi osagwirizana ndi madzi. Madera okhala ndi chinyezi chapamwamba chokhala ndi zinyezi zapamwamba zomwe zimafunikira madzi kukana kwa gypsum youma. Nthawi zambiri, madzi kukana kwa glaum sypsum amatukuka powonjezera ma adleralic a hydraul. Pankhani ya madzi onyowa kapena okwanira, kuphatikiza kwakunja kwa ma adminic a hydraulic kumatha kupanga zokongoletsera za gypsum zomwe zimakhazikika. Mankhwala othandizira amathanso kugwiritsidwanso ntchito kuchepetsa kusungunuka kwa gypsum (ndiko kuti, kuwonjezera zokongoletsera zakuthambo), ndikuchepetsa kukomoka kwa madzi (ndiye kuti , kudzipatula kwa madzi). Malonda a gypsum amawaphatikiza a ammonium borate, sodium methyl siliconate, silsicone zotumphukira, ndi silicone walsisin emulsion Worseroous Wothandizira ndi zotsatira zabwino.
11.
Kuyambitsa anyansidwe achilengedwe komanso mankhwala kumapereka zomatira ndi mphamvu zopangira zida zouma gypsum. Ogwira ntchito ya asidi amatha kuwonjezera kuchuluka kwa gydrouve gypsum, akufupikitsa nthawi yake, ndikusintha mphamvu yoyambira gypsum yolimba. Woyambitsa Woyambitsa Satithandiza Kwambiri Kumapeto kwa gypsum, koma imatha kusintha mphamvu pambuyo pake kwa thupi la gyprum zolimba, ndikusintha madzi kukana Gypsum yolimbana ndi thupi. Kugwiritsa ntchito zotsatira za asidi wa acid ndi bwino kuposa a acidic kapena oyambitsa. Zokhutiritsa acid zimatengera potaziyamu Alum, sodium sulfate, potaziyamu sulfate, etc.
12. Mafuta a Thixotropic
Mafuta a thixotropic amagwiritsidwa ntchito podzipangitsa gypsum kapena gypsim, zomwe zimatha kuchepetsa matope a gypsum, kuletsa nthawi yotseguka, kotero kuti malo otsekemera amatha kupeza mkaka wabwino. Nthawi yomweyo, kapangidwe ka thupi ndi yunifolomu, ndipo mphamvu zake zimachuluka.
Post Nthawi: Apr-20-2023