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Bricks chromium dị ala magnesia chrome maka ngwakọta ciment na brik nke magnesia chrom na -ejikọ ọnụ.

Bricks chromium dị ala magnesia chrome maka ngwakọta ciment na brik nke magnesia chrom na -ejikọ ọnụ.

Bricks Magnesia chrome bụ ngwaahịa na -agbanwe agbanwe nwere magnesium oxide (MgO) na chromium trioxide (Cr2O3) dị ka ihe mejupụtara ya, yana periclase na spinel dị ka ihe ndị bụ isi ịnweta. Ụdị brik a nwere nrụgharị dị elu, ike ọkụ dị elu, nguzogide siri ike na mbibi slag alkaline, nkwụsi ike dị mma nke ukwuu, yana ụfọdụ mgbanwe maka slag acid. Isi akụrụngwa maka ịme brik magnesia-chrome bụ magnesia na chromite. Ịdị ọcha nke akụrụngwa magnesia kwesịrị ịdị elu karịa ka o kwere mee. Ihe achọrọ maka ngwakọta kemịkal nke chromite bụ: Cr2O3: 30 ~ 45%, CaO: ≤1.0 ~ 1.5%.

A na-ejikarị brik Magnesium chrome eme ihe na ụlọ ọrụ igwe, dị ka iwu ọkụ ọkụ na-emeghe ọkụ, elu ọkụ eletrik, ite ọkụ na-enwu enwu na ọkụ na-enwu enwu dị iche iche. Akụkụ dị oke ọkụ nke mgbidi ọkụ nke nnukwu ọkụ eletrik eletrik bụ nke a na-eji sọlfọ magnesia-chrome eme, mpaghara nsị nke ọkụ na-anụcha ihe na-abụghị ọkụ bụ ihe sịntetịk, na Ebe ọkụ na-enwu enwu nke ọkụ na-anaghị enwu enwu bụ nke a na-eji sọks magnesia-chrome na ihe sịntetik eme. Ejiri brik chrome mee magnesia. Tụkwasị na nke ahụ, a na-ejikwa brik magnesia-chrome na mpaghara ọkụ nke ciment rotary kilns na ndị na-emegharị ihe na-esi na iko.

Njirimara anụ ahụ na kemịkalụ nke obere chromium magnesia chrome bricks na brik nke magnesia chrome jikọtara ọnụ nke ejiri ciment ciment bụ ndị a:

oru ngo Obere obere chromium magnesia chrome brick Ejikọtara ya na brik magnesia chrome
Nnukwu njupụta 2.85-2.95 3.05-3.20
Ike flexural na -ekpo ọkụ Ihe dị ka 1 6-16
Ọnụ ngụgụ -0.03 + 0.006-0.01
Mgbanwe ntughari mgbanwe -0.2 + 0.2-0.8
Ibu ibu softening okpomọkụ 1350 1500

N’ihe gbasara nhazi na ịrụ ọrụ nke ụdị brik abụọ a, ụlọ ọrụ na isi ihe dị iche iche kwesịrị ị attentiona ntị na omume nke iji ụrọ ciment.

1. Ihe e ji akpụ brik

Ejikọtara ya na brik magnesia-chrome n’okpuru 1500, mgbanwe ahịrị nwere ike iru +0.2% -0.8%. Enwere efere nchara ma ọ bụ apịtị na -emegharị ahụ na gburugburu brik iji nweta ihe njikọ a jikọtara ọnụ, yabụ enweghị ike iji ụzọ nhicha dị ọcha na -enweghị efere nchara ma ọ bụ apịtị ọkụ. , A na -enye brik chromium dị ala magnesia chrome na fọdụ kaadiboodu, nke ikpeazụ nwere katọn 2mm

2. Ebe a na -eme achịcha

Bricks magnesia-chrom na-ejikọ ọnụ na-enwe mmetụta nke ukwuu maka nrụgide ime ime nke brik kpatara site na kpo oku na ellipticity nke kiln ahụ, yabụ achọrọ njikwa siri ike.
Bricks magnesia-chrome nwere njikọta nwere ọtụtụ chromium, nwee obere nguzogide corrosion alkali na ikuku oxidizing, a na-ebibikwa njikọ nke njikọ nke chromium nwere. Brik ndị a dị mfe imebi ma na -ebute mmetọ gburugburu ebe obibi.

3. Nguzogide ibelata ikuku

Otu mmeghachi omume ahụ na -apụta n’ụdị brik abụọ na ikuku na -ebelata, nke na -ebibi usoro njikọta ma mesịa mebie brik ahụ. Njikọ nke brik magnesia-chrome ga-emetụta nke ukwuu.

4. Mmetụta na akpụ akpụkpọ anụ ọkụ

A ga-edobe akwa nwere C4AF n’etiti obere chromium na akwa brick magnesia-chrome na clinker, yabụ na arụmọrụ anụ ahụ ka mma. Arụmọrụ akpụkpọ anụ n’ejikọtara ya na brik magnesia-chrome dịgasị iche na nhazi brik ahụ. Ozugbo akpụkpọ anụ ahụ na -adị mma Mgbe nhazi na mmezi dị mma, okpomọkụ nke elu brik n’okpuru akpụkpọ anụ anụ na -agbada nke ukwuu, ọ dịkwachaghị mkpa ijikọ ọnụ nke ike dị elu nke brik magnesia chrome.
Ugbu a apụtala ọtụtụ chrome magnesia-chrome brick, blọk pụrụ iche na-enweghị chrome, ikike imepụta ihe ruru 6000-10000T / h nke PC kiln, oke okpomọkụ na nguzogide ujo dị oke mkpa, ha mepụtara Spar dabara kwekọrọ. jikọtara ya na ịdị ọcha dị elu chromium na-enweghị magnesium bụ nke a na-ejikarị na mpaghara mgbanwe nke ngwakọta ciment.