Firebrick: yam ntxwv, loj, me, hom. Fireclay refractory cib rau cua sov

Siv cov kev faib ntawm tej qhov cub tawg, muaj rauv taws nte, fireplaces thiab lwm yam masonry lug kev khiav hauj lwm nyob rau hauv siab kub, tshwm sim siv tshwj xeeb cov ntaub ntawv. Cov kev siv ntawm tej lug nyob rau hauv ib tug pa tej hub los yog siliceous pob zeb yog tsis tsim nyog vim hais tias muaj tus yuav ua rau muaj pob txha lov ua. Tshwj xeeb siv refractory cib, masonry uas tshwm sim siv tib lub thermostable daws teeb meem. Thaum tshav kub kub kuj ntawm cov khoom tiav los ntawm lub roasting thiab kev siv cov kev Cheebtsam rau qhov siv thiab ntawm pob zeb.

yam ntxwv ntawm

Refractory cib muaj yus cov yam ntxwv ntawm cov pa dag pob zeb tej hub los yog silicate. Ib tug puas khoom ib feem protrudes av nplaum dawb, thiab los ntawm impurities nyob ntawm seb lub zog thiab hom ntawm bricks. Txawm li cas los, tag nrho lawv muaj ib tug qeb - refractories, piv txwv li muaj peev xwm mus khaws lawv cov thawj cov yam ntxwv thaum raug kev kub muaj peevxwm tshaj 1580 degrees.

Thov lawv mas nyob rau hauv kev ua lag luam, thiab yog li ntawd lub zus tau tej cov refractories siab uas yuav tsum tau. Vim hais tias tej tsis ua hauj lwm nyob rau hauv lub lag luam ntawm tej ntaub ntawv yog fraught nrog loj losses, thiab tsis tsuas yog lub sij hawm, tab sis kuj nyiaj txiag. Qhov loj tshaj plaws - lawv muab kev ruaj ntseg. Refractory cib insulating cov ntaub ntawv uas yog ib tug tua hluav taws.

General yam ntxwv ntawm hluav taws-resistant dag pob zeb:

• Tsis tshua muaj thermal conductivity - muaj peev xwm khaws tshav kub nyob rau hauv lub thermal units.
• Thaum tshav kub kub kuj - cib zog tuav thaum raug kub nyob rau hauv excess ntawm 1580 degrees.
• Lub thermal inertia - lub peev xwm ntawm lub refractory khoom mus rau txias maj mam thiab heats sai sai.
• Thaum tshav kub kub muaj peev xwm - tus yam ntxwv uas muab tshav kub muaj cib ntxiv rov qab.
• Tshuaj kuj mus kub roj, slag thiab hlau.
• Lub constancy ntawm volume, i.e. tus yam ntxwv refractory pob zeb los yog tsis tau muab sawv mus shrinkage nyob rau hauv ntau ntawm 0.5% mus rau 1%.

daim ntawv thov

Refractory cib, tus yam ntxwv uas yog txawv los ntawm lub niaj zaus mus masonry ntaub ntawv pom nws daim ntawv thov nyob rau hauv kev tsim kho ntawm thermal units. Nyob rau hauv lub metallurgical industries rau lub melting ntawm hlau, npib tsib xee, tooj liab, yuav tsum tau ib tug kub saum toj no 1500 degrees, yog li nyob rau hauv xws li ib tug cua sov hlua lawm thiaj tau tuaj ntawm dolomite, ntawm silica, hromomagnezitovogo cib. Silica pob zeb arches thiab siv tau rau hauv ob sab phlu furnaces kev khiav hauj lwm nrog acidic tshuaj. Nws nyob rau ntawm lub expanding, tab sis magnesite refractory compressed, yog li cov koov nrog lub caij nyoog kawg no tej zaum yuav cev qhuav dej. Hais tias yog, txhua yam ntawm cib uas qeb nyias muaj nyias lub zog thiab kev siv.

Cov uas tsis yog-metallurgical kev lag luam refractory pob zeb siv rau masonry tshuaj ntau lawm cov khoom, nqi hluav taws xob boilers, Kilns coke; units ntawm cov iav factories.

hom

Refractory cib yog nyob rau hauv plaub versions. Carbon hom manufactured los ntawm thee ib nrog tus ntxiv ntawm cov coke / Anthracite hmoov. Xws li ib tug kub-resistant cov ntaub ntawv thiab shlakoustoychivy. Feem ntau, cov lug siv nyob rau hauv lub moj tej tawg furnaces. Txawm li cas los, lwm txheej ntawm refractory khoom npaj rau txoj kev tiv thaiv. Silica (quartz) yog ua los ntawm ib tug quartz pob zeb hmoov thiab mis nyuj haus ntawm txiv qaub. Refractoriness tej khoom ntawm 1730 degrees, thiab yog siv rau cov masonry cib cov khoom nyob rau hauv kev sib cuag nrog acidic ib puag ncig.

Magnesite, chromite, chrome-magnesite cib yog ua los ntawm ci minerals. Muaj kuj silicon carbide thiab graphite khoom. Hluav Taws kuj xws hom - los ntawm 1500 mus rau 2000 degrees.

Los ntawm aluminous hom muaj xws li ib tug nrov khoom nyob rau hauv qhov kev lag luam - Fireclay refractory bricks. Nws muaj ntau tshaj 30% ntawm txhuas oxide (alumina) thiab yuav tsum tau muaj cov tshwj xeeb av nplaum resistant rau kub. Hluav Taws kuj - txog li 1400 degrees.

Classification tshuaj zog

Nyob ntawm seb muaj pes tsawg leeg ntawm lub ntsiab Cheebtsam ntawm lub dag lub pob zeb no tau muab faib ua 3 pawg: nruab nrab, yooj yim thiab acidic.

Mus rau acidic pab pawg neeg ntawm cov pob zeb ntawv Silica thiab kvartseglinyasty cib. Lawv yog cov tsis muaj prejudice nws tus kheej nrog acidic ib puag ncig.

Nrog ib tug alkaline ib ncig seamlessly hu yooj yim refractories los ntawm dolomite, magnesite, hromomagnezita. lawv yog siv rau ib tug tso ntawm thermal units, xav tau nyob rau hauv nws cov hauj lwm ib tug ntse hloov nyob rau hauv kub.

K yog ib tug nruab nrab pab pawg neeg ntawm cov tshuaj compatibility koom cib, fireclay refractory, carbon thiab graphite pob zeb khoom. Lawv yog cov resistant thiab alkaline, thiab acidic tej yam kev mob.

khoom qhov ntev

Muab tag nrho cov hom ntawm refractory bricks nyob rau hauv ib tug universal loj yog tsis yooj yim sua. Txhua yam khoom hom muaj nws tus kheej GOST yuav tsum rau lub tsev khoom uas yog ua thiab qhov chaw uas yooj yim tsis. Plus, qhov loj ntawm lub refractory bricks nyob ntawm seb daim ntawv, uas yog tsis ib txwm lub. Qhov no yog txuam nrog ib tug complex Embodiment ntawm lub cua sov tsev, yuav tsum muaj cov arches, Vaults.

Piv txwv li, qhov ntev ntawm lub tib khoom pib nrog 230h65h65 hli thiab xaus tsis nyob rau hauv 345h150h75 hli. Tag nrho qhov ntev muaj rectangular, npoo zoo li tus, dai thiab lwm yam refractory khoom uas yuav muaj nyob rau hauv lub GOST 8691-73.

npav

Yuav kom teb tau cov nqe lus nug ntawm yog dab tsi yuav refractory cib kiln, tus nqi ntawm uas yog ncaj qha nyob rau qhov kev kawm ntawm cov khoom, koj yuav tsum paub yooj yim cov khoom daim ntawv lo. Txhua ntu muaj ib tug dab neeg. Tus thawj tsab ntawv stands rau lub npe thiab hom khoom. Yog li ntawd, yog hais tias tus npav yog tsab ntawv "W", uas nws belongs rau cov pab pawg neeg refractory fireclay pob zeb; "D" - Dinas, "M" -mullitovyh.

Qhov thib ob tsab ntawv qhia lub siab tshaj plaws kub ntawm daim ntawv thov cov ntaub ntawv uas. Piv txwv li fireclay pob zeb:

• Sab., Shaq - 1400 degrees.
• SB - 1350 degrees.
• SHUS, BC - 1250 degrees.
• PB (semi-acid hom) - 1350 degrees.
• PV - 1250 degrees.

Qhov ntau thiab tsawg ntawm refractory bricks yog qhia los ntawm ib daim duab, uas yog preceded los ntawm tus thawj ob tsiaj ntawv ntawm lub hom khoom. Piv txwv li, refractory sab.-5 muaj tsis 230h114h65 hli thiab sab.-8 - 250h124h65. SB-22 cov khoom yus muaj los ntawm npoo zoo li tus ntsawb (trapezium), kev ntsuas tej khoom - 230h114h65h55 hli. Tom qab cov nuj nqis nyob rau hauv lub npav ua raws li los ntawm cov tsiaj ntawv yog ib tug tsiaj ntawv ntawm lub chaw tsim tshuaj paus.

nqi ntawm

Rau qhov kev siv ntawm fireplaces, Barbecues, qhov txos siv firebrick. Nqe ntawm cov ntaub ntawv uas nyob rau lub hom, loj, me, tsim nta thiab cov khoom. Los sib piv cov nqi ntawm Lub kaum hli ntuj 2015 4 nrov hom firebrick yog xaiv los ntawm Ukraine thiab Russia. Thaum ordering ib pallet muaj 350-360 bricks. Rate yog rau 1 pcs.

• Lub khoom sab.-5 nyob rau hauv Russia yog kwv yees li ntawm 39,9 rubles.
• Zoo ib yam li yav dhau los refractory, sab.-8, wherein me ntsis loj, tsim nyog 47,9 rubles.
• Sab.-22 (npoo xaus): tus nqi nyob rau hauv Russia - 49 rubles.
• Sab.-45 (kawg npoo) khoom nqi nyob rau hauv Russia - 41,2 rubles.

Yuav ua li cas xaiv ib tug refractory cib tawg xwb?

Nyob rau hauv kev tsim kho ntawm lub tshuab cua sov pab kiag li lawm yuav siv cov firing cib liab, txheem qhov ntev ntawm uas - 250h120h65 hli. Nws yuav tsum muaj tseeb npoo, tsis muaj tsev nti, tus sawv thiab txoj cai ces kaum. Txwv tsis pub cov clutch yuav yuav taus. Thaum lub lem ntawm lub cib qauv yuav tsum homogeneous, uas yog, yuav nyob rau hauv tsis muaj tej kab nrib pleb, voids thiab khaubncaws sab nraud povtseg.

Hlau ore - qib perezhzhonnogo bricks yuav tsuas yuav siv rau cov ntaus ntawv ntawm qhov cub bases, txij li thaum nws hnyav ncawv txuas nrog ib tug daws. Unburned (liab), dag pob zeb, txiv qaub, perforated thiab hollow cib siv rau ib tug tso ntawm furnaces thiab lub raj tsis pub.

Refractory cib kiln, tus nqi yog ob peb lub sij hawm tshaj liab tej hub pob zeb no yuav tsum tau rau cov hauv ob sab phlu ntawm thermal units. Hais tias yog, los ua ib tug tiv thaiv sheath yog siv refractory, uas draped lub cub tawg. Vim rau qhov no, lub tshav kub generated hauv lub khiav tsis ua kom puas lub ntsiab phab ntsa ntawm lub cub tawg.

kev daws teeb meem

Ib tug refractory cub tawg cib yuav tsum tau pw rau hauv tus qauv nrog rau daim ntawv thov ntawm ib tug homogeneous kua uas yuav xav fastens clutch thiab solidify nyob rau hauv lub sij hawm ncej. Rau domestic qhovcub siv av nplaum tov tau npaj, nyob ntawm seb lub roj cov ntsiab lus ntawm cov av nplaum nrog rau qhov sib ntxiv ntawm cov xuab zeb nyob rau hauv proportions ntawm 1: 1 los yog 1: 2. Xam tias yog haum rau lub npaj tov, yog hais tias nws dov tawm ib tug pob thaum qhuav los yog keej raws contour, thiab thaum twg ces muab pov tseg rau hauv pem teb yog tsis tawg. Yog hais tias ib tug dhau heev lawm ntawm cov xuab zeb, thaum lub pob ntog sib nrug, keej muab xub ntiag ntawm ib tug loj kev faib ua feem ntawm cov av nplaum nyob rau hauv cov tshuaj.

Thaum pw muaj khoom firebrick muab khi ua ke siv mortars - ib tug calcareous kev daws teeb meem los rau cov thwj toob refractory khoom.

pom zoo los npaj calcareous kev daws teeb meem nyob rau hauv ib tug ratio ntawm 1 rau masonry cub tawg bases: 2 - 1: 4. Cementitious mixtures yog siv rau cov kev siv ntawm bases ntawm thermal units, raug rau cov dej, xws li av.

Qeb masonry

Thaum tsa, kho ntawm thermal units refractory cib masonry vim raws li nram no yuav tsum tau, uas txiav txim nws cov qeb:

• Qhov siab tshaj plaws thickness ntawm cov pob qij txha ntawm 0.5 thiab lub 1 hli raws li ib tug tshwj xeeb ceev faj tso ib qeb.
• Sutures loj ntawm 1-2 hli ntawm lub cib yuav mus rau ob pawg.
• Standard (vulgaris) yus muaj los ntawm tuab masonry pob qij txha mus rau 3 lub hli.
• Muaj mortar ntawm lub bricks ntawm 3 hli raws li ib tug yooj yim refractory brickwork.

Cov chav kawm, refractory qib, qeb masonry - tag nrho cov ntaub ntawv no yuav tsum tau sau tawm nyob rau hauv cov ua hauj lwm cov ntaub ntawv. Yog hais tias muaj yog tsis muaj leej twg, ces tus thickness ntawm stitches rau txawv yam ntxwv hais yog txiav txim rau lub hauv paus ntawm kev ntxhuav.