Kayayyaki

Me ya sa muke bukatar wanke gawayi?
Kamar yadda muka sani, danyen gawayi yana hadawa da wasu abubuwa marasa najasa da yawa, bayan wanke kwal a masana'antun sarrafa kwal, wanda za'a iya raba shi zuwa gangu na kwal, matsakaicin kwal, grade B tsaftataccen gawayi, da kuma maki mai tsafta, sannan ana amfani da shi a masana'antu daban-daban. amfani.

Amma me ya sa muke bukatar yin wannan aikin?

Manyan dalilan kamar haka:
1. Haɓaka ingancin kwal da rage fitar da gurɓataccen mai
Coal wanke iya cire 50% -80% na ash da 30% -40% na jimlar sulfur (ko 60% ~ 80% na inorganic sulfur), wanda zai iya rage soot, SO2 da NOx da nagarta sosai a lokacin da kwal kona, don haka rage da yawa matsa lamba ga. aikin sarrafa gurbatar yanayi.

2. Inganta ingancin amfani da kwal da adana makamashi

Wasu bincike sun nuna cewa:
Abubuwan da ke cikin ash na coking kwal an rage su da 1%, an rage yawan amfani da coke na baƙin ƙarfe da kashi 2.66%, ana iya ƙara yawan amfani da tanderun baƙin ƙarfe da 3.99%; samar da ammonia ta amfani da wanke anthracite za a iya ceto ta 20%;
Ash ash don tsire-tsire masu wutar lantarki, don kowane haɓakar 1%, ƙimar calorific ta rage ta 200 ~ 360J / g, kuma daidaitaccen amfani da kwal a kowace kWh yana ƙaruwa da 2 ~ 5g; ga masana'antu tukunyar jirgi da kiln kona wanke kwal, da thermal yadda ya dace za a iya ƙara da 3% ~ 8%.

3. Haɓaka tsarin samfur da haɓaka ƙwarewar samfur

Dangane da ci gaban fasahar shirye-shiryen kwal, samfuran kwal daga tsarin guda ɗaya ƙarancin inganci sun canza zuwa tsari da yawa da inganci don biyan buƙatu daga abokan ciniki daban-daban saboda manufar kare muhalli yana da ƙarfi da ƙarfi, a wasu yankuna, sulfur kwal. abun ciki bai wuce 0.5% ba kuma abun cikin toka bai wuce 10% ba.
Idan ba a wanke kwal ba, tabbas ba zai cika ka'idodin kasuwa ba.

4. adana tsadar sufuri da yawa

Kamar yadda muka sani, ma'adinan kwal ko da yaushe nesa da masu amfani da ƙarshen, bayan wankewa, ana fitar da abubuwa marasa tsabta da yawa, kuma ƙarar zai rage da yawa, wanda zai adana tsadar sufuri ba shakka.