Uyilungisa njani imiba ye-Foam kwi-Cement Grinding: ISikhokelo seNyathelo ngeNyathelo kwi-High Efficiency Defoamers

I-Nightmare yeGumbi leMill: Ibali Olaziyo

Yiba nomfanekiso woku: Yi 2:00 AM. Umsebenzisi wegumbi lolawulo uyakufowunela. Ii-amps zokusila aziqhelekanga. Uxinzelelo oluhlukileyo luyanyuka. Uyazi ukuba kuthetha ukuthini oko—ugwebu. Inkulu, ibhedi ezinzileyo yegwebu ikrwitsha isahlukanisi sakho. Imveliso iyehla. Ukusetyenziswa kwamandla kuyenyuka. Uzame onke amaqhinga. Wongeze uncedo olungakumbi lokusila. Yazenza zambi izinto. Uye warhoxa. Ngoku ilitye lokusila liyangcangcazela.

Ndiphile le nto. Kuba 20 iminyaka, Ndibabukele abaqhubi besilwa eli dabi. Ingxaki ayifane ibe luncedo lokusila ngokwalo. Ingxaki nantsi ugwebu olungalawulwayo. Isisombululo sikhethwe ngokuchanekileyo kwaye sithathiwe ukusebenza kakuhle defoamer for ikhonkrithi izixhobo zokusila. Le asiyothiyori. Le yifiziksi. Eli nqaku likunika amanyathelo achanekileyo ukuyilungisa.

1. Ukuxilonga uTshaba: Kutheni iFoam iFoam kwiMill yakho

I-Foam ayikhethi. Isiphumo esithe ngqo sekhemistri yomphezulu. Ngexesha lokugaya, wenza entsha, iindawo ezisebenza kakhulu zeclinker kunye negypsum. Iimolekyuli zakho zoncedo lokugaya-iiamines, iiglycols, iipolyols-adsorb kule miphezulu. Banciphisa i-agglomeration. Baphucula ukuhamba. Ilungile lonto.

Kodwa ezi molekyuli zifana ne-surfactants. Bathoba uxinzelelo olungaphezulu kwayo nayiphi na amanzi ekhoyo. Nokulandelela ukufuma (ukusuka kwi-gypsum dehydration okanye umoya wobuxoki) yenza i-lamellae yolwelo. Amaqamza omoya ayabanjwa. Isiphumo sisitali, ugwebu oluzingisileyo.

• Unobangela ophambili: Intshukumo ye-surfactant yokwenziwa koncedo lokusila ngokwalo.
• Unobangela wesibini: Iityuwa ze-inorganic ezivela kwi-clinker ezizinzisa i-foam lamellae.
• Qalisa: Ubukho bomphunga wamanzi kunye nokungena komoya kumzimba wokusila.

Eli gwebu alihlali nje. Iyajikeleza kwakhona. Yakha phezu kweencakuba zokwahlula. Inciphisa ukusebenza kakuhle kokuhlelwa. Ikunyanzela ukuba unciphise izinga lokutya. Ulahlekelwa ngumsebenzi. Utshisa amandla amaninzi ngetoni nganye. Kulapho ke ukusebenza kakuhle defoamer for ikhonkrithi izixhobo zokusila ingena kwinkqubo.

2. Qonda inkqubo: Indlela i-Defoamers ebulala ngayo i-Foam

I-defoamer ayikho ikhemikhali elula. Lisuntswana elenziwe ngobunono ngobunono. Kufuneka faka i-lamella ye-foam, usasazeko, kwaye phazamisa udonga lwamaqamza. Kukho amanyathelo amathathu ahlukeneyo:

• Ukungena: I-droplet ye-defoamer kufuneka ibe noxinzelelo olusezantsi kumphezulu kunolwelo olugwebu. Ingena ngokuzenzekelayo kwi-lamella.
• Ukusasaza: I-droplet ye-defoamer isasazeka kwi-bubble surface. Oku kudala indawo encinci. I-lamella iba buthathaka.
• Ukudibanisa kunye nokuGoqa: I-droplet ibhuloho kumacala omabini e-lamella. Ifilimu iyancipha ukuya kwindawo ebalulekileyo. Iqamza liyagqabhuka.

A ukusebenza kakuhle defoamer for ikhonkrithi izixhobo zokusila ilungiselelwe le chemistry ethile. Ayilophepha elenziwe lafana nalawo aveliswe ngabenzi okanye ipeyinti defoamer. Yenzelwe ukuba isebenze kwi-high-shear, ubushushu obuphezulu, kunye nemekobume entsonkothileyo yeekhemikhali kwindawo yokusila yesamente.

2.1. I-Silicone vs. I-Non-Silicone: Ukhetho Olubalulekileyo

Uneentsapho ezimbini eziphambili. Ukukhetha kwakho kuxhomekeke kwiimfuno zakho ezisezantsi.

• I-Silicone-Based Defoamers: Inamandla kakhulu. Idosi ephantsi kakhulu (20 ukuya 100 ppm). Ukusasazeka okugqwesileyo. Isilumkiso: Ngamanye amaxesha inokubangela iziphene ezingaphezulu kwikhonkrithi ukuba i-overdose. Sebenzisa kuphela ukuba umthengi wakho uvumela umkhondo we-silicone.
• I-Non-Silicone (I-Organic) Defoamers: Idosi ephezulu kancinci (100 ukuya 500 ppm). Ukuhambelana ngcono kunye ne-polycarboxylate ether (PCE) superplasticizers kwikhonkrithi. Ikhuselekile kwizicelo zoyilo lwezakhiwo ezigqityiweyo. Olona khetho lukhethiweyo kuninzi lwale mihla yoncedo lokusila.

Ndiyincoma i-non-silicone malunga nayo yonke i-samente yokugaya. Umda wokhuseleko ubanzi. Ukuhambelana kuphezulu.

3. Khetha iMveliso eLungileyo: Iikhrayitheriya zobuGcisa ezintandathu

Musa ukuthenga i-defoamer esekelwe kwixabiso ngekhilogram. Thenga ngokusekelwe iindleko ngetoni nganye yomhlaba wesamente kwaye ukusebenza ngeppm nganye. Nazi iikhrayitheriya ekufuneka uzivavanye:

• pH Uzinzo: Inkqubo yakho yokusila i-pH inokwahluka 7 ukuya 12. I-defoamer yakho kufuneka izinzile kwi-pH ye 11-12. Yivavanye.
• UNyamezelo lobushushu: Ukukhutshwa kwelitye lokusila kunokufikelela kwi-110°C ukuya kwi-130°C. I-defoamer kufuneka ingathobi isidima. Jonga indawo yelifu. Kufuneka ibe ngaphezu kwe-130°C.
• Ukusasazwa lula: Kufuneka ixutywe kwi-formulation yoncedo lwakho lokusila ngaphandle kokwahlula. Akukho kushukuma okufunekayo. Akukho kuzinza.
• Uzinzo lokuGcina: Kufuneka ihlale isebenza ubuncinane 6 iinyanga. Imijikelo yokunyibilika komkhenkce akufanelekanga ukuyibulala.
• Uvakalelo lwe-Ion: I-defoamer kufuneka inyamezele ukugxininiswa okuphezulu kwe-calcium kunye ne-sulfate ions ngaphandle kwe-precipitating.
• Ukusebenza kovavanyo olunamandla: Le yeyona nqobo ibalulekileyo. Yivavanye kwindawo yokusila yebhola yaselabhoratri okanye kwiluphu yojikelezo. Ukulinganisa ubude be-foam kunye nexesha lokuwa.

4. Faka isicelo seDefoamer: ISikhokelo sokuSebenza seNyathelo neNyathelo

Kulapho ithiyori idibana khona nokusebenza. Landela la manyathelo. Ukulinganisa ipharamitha nganye.

Inyathelo 1: Ukumisela iBaseline Mill Performance

Ngaphambi kokuba wongeze nantoni na, kufuneka uyazi indawo yakho yokuqala. Umlinganiselo:

• Imveliso yeMill: Iitoni ngeyure (tph).
• Ukusetyenziswa kwamandla athile: kWh ngetoni nganye.
• Blaine fineness: cm²/g.
• Intsalela ivuliwe 45 µm isisefo: %.
• Uxinzelelo lweMill umahluko: mbar.

Rekhoda la manani 8 iiyure zokusebenza ezizinzileyo. Le yidatha yakho yolawulo.

Inyathelo 2: Yila iSicwangciso sakho soThamo

Kukho iindlela ezimbini zokongeza i-a i-defoamer ephezulu esebenzayo yokuncedisa izinto eziphathekayo zokugaya:

• Ukudibanisa kwangaphambili (Ibhetshi Ukongeza): Yongeza i-defoamer ngqo kwi-tank yokugcina yokuncedisa. Xuba ngokucokisekileyo. Oku kulula. Kodwa ulahlekelwa bhetyebhetye.
• Yahlula iDosing eqhubekayo: Sebenzisa impompo yedosi ezinikeleyo. Tofa i-defoamer ngqo kwi-chute yokutya okusila okanye kwisahluli. Oku kukunika ulawulo lwexesha lokwenyani. Indlela ecetyiswayo.

Inyathelo 3: Qala ngedosi ephantsi

Qala ngedosi ye 100 ppm ngokusekelwe kumlinganiselo wemveliso yesamente. Ngoko, ukuba uyavelisa 100 tph, izinga lokuhamba kwe-defoamer yakho 100 iigram ngetoni nganye. Yi le 10 kg ngeyure a 100 tph ilitye.

Yima 30 imizuzu yokuba inkqubo izinze. Jonga uxinzelelo olwahlukileyo. Ifanele iwe. Beka iliso ukuze ubone inqanaba le-foam kwisahluli.

Inyathelo 4: Titrate ukuya kwindawo eNgcono

Ukuba ugwebu lusekhona, ukwandisa umthamo nge 50 ppm ukwanda. Yima 30 imizuzu phakathi konyuso ngalunye. Yeka kwindawo apho uxinzelelo oluhlukileyo luzinza kwaye isahluli sisebenza ngaphandle kokunyuka.

Musa ukugqithisa. Ukugqithisa akuphuculi ukusebenza. Yongeza kuphela iindleko. Umthamo ochanekileyo we-a i-defoamer ephezulu esebenzayo yokuncedisa izinto eziphathekayo zokugaya ngokuqhelekileyo phakathi 100 ppm kwaye 500 ppm.

Inyathelo 5: Ukulinganisa iMpembelelo yokuGqiba ngokuFanelekileyo

Nge-foam elawulwayo, ngoku unganyusa izinga lokutya lokusila. Ekujoliswe kuko a 5% ukuya 10% ukwanda kwemveliso. Yenza umlinganiselo omtsha wosetyenziso lwamandla. Usetyenziso oluphumeleleyo lwe-defoamer kufuneka lunciphise i-kWh/toni nge 5% ukuya 15%.

5. Qinisekisa iMpembelelo kuMgangatho weSamente

Ukulawula amagwebu makungonakalisi isamente yakho. Vavanya ezi parameters emva kotshintsho:

• Ukuhanjiswa kobungakanani beNcam (PSD): Sebenzisa i-laser diffraction. I-PSD kufuneka ibe mxinwa. I i-defoamer ephezulu esebenzayo yokuncedisa izinto eziphathekayo zokugaya ivumela umahluli ukuba asebenze ngokuchanekileyo. Kuya kufuneka ubone i-ultrafines encinci kunye nokusikwa okubukhali.
• UBlaine Fineness: Oku mhlawumbi kuya konyuka kwintsalela efanayo. Ukuhlelwa ngcono kuthetha indawo engaphezulu.
• Amandla acinezelayo: Nge 1, 3, 7, kwaye 28 iintsuku. Ukuba iPSD iyaphucuka, amandla adla ngokuphucuka. Lindela inzuzo ye 2 ukuya 5 MPa kunye 28 iintsuku.
• Isiqulatho soMoya kwiMortar: Oku kubalulekile. I-defoamer akufanele ifake umoya. Uvavanyo ngokwe-ASTM C185. Ithagethi ingezantsi 7% umoya. Ukuba usebenzisa i-silicone defoamer, vavanya ngononophelo.

6. Uhlalutyo lweendleko-Nzuzo: Ityala le-ROI

Uchitha imali kwi i-defoamer ephezulu esebenzayo yokuncedisa izinto eziphathekayo zokugaya. Kufuneka uyithethelele. Nalu ubalo oluqhelekileyo:

Kuba sisila isityalo 1,000,000 iitoni ngonyaka, yiyo i $250,000 kwi-savings. I-defoamer ihlawula ngokwayo amaxesha amaninzi. Ixesha le-ROI lilinganiswa ngeeyure, hayi iinyanga.

7. Inyathelo lakho elilandelayo: Yeka Ukuthelekelela. Qala uVavanyo.

Ndibone izityalo zilahlekelwa zizigidi kwimveliso elahlekileyo ngenxa yokuba zingayinaki i-foam. Babecinga ukuba ngumbandela nje omncinane. Ayiyo. Lisela elisebenza ngokufanelekileyo. A i-defoamer ephezulu esebenzayo yokuncedisa izinto eziphathekayo zokugaya ayisongezo esikhethwayo. Sisixhobo sokusebenza.

Unokukhetha ezimbini. Ungaqhubeka nokulwa nee-mills zokunyuka kunye nomgangatho oguqukayo. Okanye ungathatha ulawulo. Ngoku unayo inkqubo. Iikhrayitheriya. Indlela yedosi.

Musa ukuzinza ii-generic defoamers. Banga imveliso eyenzelwe ngokukodwa i-defoamer ephezulu esebenzayo yokuncedisa izinto eziphathekayo zokugaya. Qhagamshelana neqela lethu lobugcisa namhlanje. Siza kukuthumelela isampula yelitha. Yenza uvavanyo. Linganisa iziphumo. Zibonele ngokwakho ukonga. Cela isampuli yakho ngoku. Ilitye lakho lokusila lilindile.

Umthengisi
I-ConcreteAndMore ngumthengisi othembekileyo wehlabathi jikelele wezinto ezixubeneyo zekonkrithi ezisebenza kakhulu kunye neekhemikhali zokwakha.. Ngeminyaka yobungcali kwishishini, Sisebenza ngokukhethekileyo ekuboneleleni ngezisombululo ezintsha eziquka iipolycarboxylate superplasticizers, imicu yekhonkrithi, defoamers, ii-arhente zogwebu, kunye neemveliso zokugquma ubushushu be-airgel. Ukuba unomdla kwi-concrete admixture, nceda uzive ukhululekile ukuqhagamshelana nathi!