CNSME

Ⅰ. Ka'ida

SO2 na daya daga cikin manyan gurbacewar iska kuma muhimmin ma'aunin sarrafa gurbatar iskar gas na masana'antu a kasar Sin. A halin yanzu, dukkan na'urorin da ke amfani da kwal a kasar Sin sun aiwatar da ayyukan kawar da bututun iskar gas, daga cikin manyan fasahohin fasahohin da ake amfani da su a cikin su shi ne sulfurization / gypsum wet flue gas desulfurization (WFGD). A cikin wannan tsari, ana amfani da slurry na farar ƙasa azaman abin sha, wanda ke cikin hulɗar da ba ta dace ba tare da iskar gas a cikin hasumiya na desulfurization sannan kuma ya gauraye sosai. Bayan SO2 da ke cikin iskar hayaƙin hayaƙin hayaki ya amsa tare da abin sha, ta hanyar sinadarai yana amsawa tare da iskar da ke da iskar da iskar oxygen da ake hurawa don samar da gypsum.

Akwai tanki mai slurry a kasan hasumiya ta sha, kuma sabon abin sha yana zubowa a cikin tankin slurry ta hanyar famfo mai ciyar da dutsen ƙasa; a ƙarƙashin aikin mai tayar da hankali, an haɗe shi tare da slurry da ke cikin tanki na slurry; sa'an nan, slurry kewayawa famfo zai tayar da gauraye slurry zuwa fesa Layer da kuma fesa shi zuwa lamba tare da hayaki gas a counter-current kwarara. Inganci kuma akan lokaci mai cike da sabbin abubuwan sha yana da mahimmanci a duk tsawon tsarin. Idan ƙarin adadin bai isa ba, yana da wahala a tabbatar da ingancin desulfurization; idan ƙarin adadin ya yi yawa, zai rage yawan amfani da abin sha, kuma yana shafar ingancin samfuran samfuran desulfurization. Don haka, sarrafa famfo slurry na farar ƙasa muhimmin sashi ne na aikin FGD.

Ⅱ. Pumps da ake buƙata ta tsarin sarrafawa

1. Tsarin shirye-shiryen farar ƙasa

2. Pump don tsarin hasumiya mai sha

3. Tsarin iskar gas

4. Pump don tsarin dewatering gypsum

5. Pumps don tsarin fitarwa

6. Pumps don tsarin kula da ruwan sha

Ban da tsarin hayaƙin hayaƙin hayaƙi, na'urorin da ke sama duk za su buƙaci famfo mai slurry. A cikin tsarin hasumiya mai ɗaukar nauyi, ƙarar allurar tana da girma, don haka diamita na famfo yana da girma. The famfo a cikin wannan bangare ne manyan-sikelin musamman famfo tsara don desulfurization, da kuma famfo amfani a wasu tsarin su ne da mu da aka saba amfani da kanana da matsakaita-slurry famfo. Dangane da halin da ake ciki na slurry, kayan da aka zaɓa na sassa masu gudana suna da juriya da lalacewa.

Tsarin Tsarin FGD

Ana amfani da famfo don tsarin FGD a wurin