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Nkhaniyi ikupereka chithunzithunzi chokwanira cha theka-ofewa malasha, kufufuza katundu wake, ntchito, ndi zinthu zofunika kuziganizira pogwira ntchito ndi mtundu uwu wa malasha. Timafufuza muzosiyanitsa zake, ndikuziyerekeza ndi mitundu ina ya malasha ndikuwunikira momwe amagwiritsidwira ntchito m'mafakitale osiyanasiyana. Timakambirananso zovuta zachilengedwe zomwe zimagwirizana ndi kugwiritsidwa ntchito kwake. Phunzirani za ubwino ndi kuipa kogwiritsa ntchito theka-ofewa malasha ndi gawo lake pakupanga mphamvu padziko lonse lapansi.
Malasha osafewa, yomwe imadziwikanso kuti malasha apansi-bituminous, imayimira siteji mu ndondomeko ya malasha pakati pa lignite (malasha a bulauni) ndi malasha a bituminous. Amadziwika ndi mphamvu zake zapakatikati, kugwera pakati pa lignite yocheperako, yopanda mphamvu komanso yolimba, yamphamvu kwambiri ya malasha a bituminous. Chinyezi chake chimakhala chokwera poyerekeza ndi malasha a bituminous, zomwe zimakhudza momwe amagwiritsidwira ntchito komanso kuyaka kwake. The enieni katundu wa theka-ofewa malasha zingasiyane kwambiri malinga ndi chiyambi chake geological ndi mapangidwe mapangidwe. Kumvetsetsa kusiyanasiyana kumeneku ndikofunikira kuti zigwiritsidwe ntchito moyenera komanso moyenera.
Chikhalidwe chachikulu cha theka-ofewa malasha ndi chinyezi chambiri, nthawi zambiri kuyambira 15% mpaka 30%. Izi zimakhudza kachulukidwe kake ka mphamvu ndipo zimafunikira kusintha njira zoyaka. Phulusa, muyeso wazinthu zosayaka, zimasiyananso kwambiri koma nthawi zambiri zimagwera mumtundu wina. Kuchuluka kwa chinyezi nthawi zambiri kumapangitsa kuti kutentha kuchepe pa yuniti iliyonse poyerekeza ndi malasha a bituminous. Kutsimikiza kolondola kwa chinyezi ndi phulusa ndikofunikira pakugwiritsa ntchito moyenera komanso mitengo yamitengo.
Malasha osafewa ali ndi kutentha kochepa kwambiri kuposa malasha a bituminous koma apamwamba kuposa lignite. Kutentha kumeneku, komwe kukuwonetsedwa mu British Thermal Units (BTU) pa paundi kapena megajoules pa kilogalamu, kumawonetsa kuchuluka kwa mphamvu zomwe zimatulutsidwa pakuyaka. Sulfure wa sulfure ndi chinthu china chofunikira, chomwe chimakhudza chilengedwe chifukwa cha mpweya wa sulfure dioxide. Low sulfure theka-ofewa malasha nthawi zambiri imakondedwa chifukwa cha chilengedwe.
Zinthu zosasinthika zili mu theka-ofewa malasha zimakhudza khalidwe lake kuyaka. Zinthu zomwe zimasokonekera kwambiri zimatanthawuza kuti malasha amayaka kwambiri omwe amayaka mosavuta. Mpweya wosasunthika, zinthu zotsalira zomwe zimatha kuyaka pambuyo pothamangitsidwa, zimathandizira kwambiri pakutentha konse. Chiŵerengero cha zinthu zosakhazikika ndi carbon wokhazikika ndizofunikira kwambiri posankha matekinoloje oyenerera oyatsira moto.
Malasha osafewa imapeza ntchito m'mafakitale osiyanasiyana, ngakhale kugwiritsidwa ntchito kwake nthawi zambiri kumatengera momwe zinthu zilili komanso kupezeka kwake. Amagwiritsidwa ntchito kwambiri popanga magetsi, makamaka m'madera omwe ali ndi nkhokwe zambiri. Chifukwa cha kutsika kwake kotenthetsera, pangafunike kusinthidwa pamapangidwe amagetsi omwe alipo kale kapena kugwiritsa ntchito matekinoloje apadera oyatsa. Itha kugwiritsidwanso ntchito m'mafakitale omwe amafunikira kutentha, ngakhale kukhalapo kwa chinyezi chambiri kungafunike kusintha kwazomwe zimapangidwira.
Kugwiritsa ntchito theka-ofewa malasha, mofanana ndi mafuta ena aliwonse, ali ndi zotsatira za chilengedwe. Kuwotchako kumatulutsa mpweya wowonjezera kutentha, makamaka carbon dioxide, umene umapangitsa kusintha kwa nyengo. Kuphatikiza apo, sulfure yomwe ili nayo imatha kutulutsa mpweya wa sulfure dioxide, womwe umathandizira kwambiri kumvula ya asidi. Migodi ndi kayendedwe ka theka-ofewa malasha zingayambitsenso kuwonongeka kwa chilengedwe. Kuchepetsa kukhudzidwa kwachilengedwe kumeneku ndikofunikira, ndipo kupita patsogolo kwaukadaulo waukhondo wa malasha kukuchitika mwachangu.
| Mtundu wa Malasha | Chinyezi | Kutentha Mtengo | Zinthu za Sulfur |
|---|---|---|---|
| Lignite | Pamwamba (30-70%) | Zochepa | Zosintha |
| Malasha a Semi-soft (Sub-bituminous) | Wapakati (15-30%) | Wapakati | Zosintha |
| Malasha a Bituminous | Pansi (2-10%) | Wapamwamba | Zosintha |
Zindikirani: Miyezo yoperekedwa kuti ikhale ndi chinyezi, mtengo wotenthetsera, ndi sulfure ndi pafupifupi ndipo imatha kusiyanasiyana kutengera msoko wa malasha ndi malo ake. Kuti mudziwe zambiri, funsani kafukufuku wokhudzana ndi nthaka ndi malipoti amakampani.
Kuti mumve zambiri pazogwiritsa ntchito malasha ndi ntchito zamafakitale, mungafune kufunsa akatswiri amakampani ndi mabungwe ofufuza. Lumikizanani nafe pa Malingaliro a kampani Inner Mongolia Xinxin Silicon Industry Co.,Ltd kuti tiphunzire zambiri za kudzipereka kwathu ku machitidwe okhazikika amakampani.
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