I. Bayani
A cikin gida da kasashen waje, a halin yanzu hayaki gas desulfurization fasahar iri ya kai dama da dama, bisa ga ko dehulfurization tsari kara ruwa da dehulfurization kayayyakin bushe ruwa nau'i, hayaki gas desulfurization raba zuwa: ruwa hanyar, rabin bushe hanyar, bushe hanyar uku manyan nau'ikan desulfurization tsari. Fasahar desulfurization na hayaki yana daya daga cikin fasahohin da ake amfani da su yanzu.
Hanyar hayaki gas desulfurization (WFGD) shine yin amfani da alkaline slurry ko mafita a matsayin adsorbent don wanke hayaki gas da ke dauke da sulfur dioxide a cikin hasumiyar sha, sa sulfur dioxide da adsorbent amsawa samar da sulfates da sulfates.
Tsarin desulfurization na hayaki na hayaki ya haɗa da dutsen lime (lime) - hanyar gypsum, hanyar magnesium oxide, hanyar ammonia, da sauransu. Abubuwan da ke ƙasa sun yi magana game da abubuwan da suka dace da hanyar kalkari (kalkari) - plaster.
II. aiki ka'idar
Amfani da dutsen kalkari ko kalkari a matsayin desulfurizer absorbant, dutsen kalkari ta hanyar karya gile-gile a cikin foda-siffar da ruwa haɗuwa zuwa sha slurry, a lokacin da ake amfani da kalkari a matsayin absorbant, kalkari foda bayan narkewa magani kara ruwa zuwa sha slurry. A cikin sha hasumiyar, sha slurry da hayaki gas taɓawa haɗuwa, da kuma hayaki gas sulfur dioxide da calcium carbonate a slurry da kuma oxygen iska da aka cire don haka a cire, da karshe amsa samfurin ne plaster.
3. Tsarin aiki
Boiler / tandu -> duster -> Ventilator -> sha hasumiyar -> chimney
Gas daga boiler ko tandu da aka cire ƙura bayan ya shiga sha hasumiyar a karkashin aikin turbine, sha hasumiyar ne a baya-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan-bayan Tsarin gabaɗaya shigar da 3-5 slurry zagaye famfo, kowane zagaye famfo daidai da wani layer spraying spray layer. Lokacin da kawai daya na'urar aiki ko kaya karami, za a iya dakatar da 1-2 layers spray layers, a wannan lokacin tsarin har yanzu kiyaye mafi girma ruwa gas rabo, don haka za a iya cimma da ake so desulfurization sakamakon. An sanya a saman yankin sha na biyu defroster, defroster fitar da kyauta ruwa a cikin hayaki gas ba ya wuce 75mg / Nm3. Bayan shan SO2 slurry shiga cikin sake zagayowar oxidation yankin, a cikin sake zagayowar oxidation yankin, da calcium sulfate da aka shigar da iska oxidized zuwa plaster lu'ulu'u. A lokaci guda, ta hanyar tsarin shirya mai sha don samar da sabon dutsen lime slurry zuwa tsarin oxidation mai sha don ƙara dutsen lime da aka cinye don kiyaye wasu darajar pH na slurry mai sha. Amsa samar da slurry ya kai wani yawa da aka tsara zuwa desulfurization kayayyakin tsarin, bayan dehydration samar da plaster.
4. Kwatanta abubuwan da suka dace da rashin amfani
Amfani: Lime dutse-plaster hanyar desulfurization ne mafi yawan amfani da ruwa hanyar desulfurization. Babban amfani da plaster hanyar ne: m kewayon kwal iri, high desulfurization inganci (lokacin da wasu na'urori Ca / S = 1, desulfurization inganci ne mafi girma fiye da 90%), absorbant amfani mafi girma (zai iya zama mafi girma fiye da 90%), kayan aiki aiki mafi girma (zai iya zama fiye da 90%), aiki da high aminci (halin yanzu mafi girma hayaki gas desulfurization tsari), desulfurizer - dutse mai arziki da kuma m tushen. A yau, a cikin gida da kasashen waje da zaɓar wutar lantarki tashar hayaki gas desulfurization kayan aiki, da dutse / plaster tilasta oxidation tsarin zama fifiko zaɓi m hanyar hayaki gas desulfurization tsari.
Rashin amfani: farko zuba jari kudin da yawa, aiki kudin high, babban yanki, tsarin management aiki rikitarwa, lalacewa lalacewa yanayin ne mafi tsanani, sakamakon - plaster da wuya a kula da (saboda tallace-tallace matsalolin kawai za a iya stacked), sharar ruwa da wuya a kula da.
Abubuwan da aka yi amfani da su daban-daban sune daban-daban. Idan kana da wata matsala don Allah kira fasaha: 15511766866 0317-4644981