Shawng nnan, madung chyam dinglik lam hpe chye na la u: n-gun ja ai-}hhumidity law law hpe hkyet kau ai a hkam sha lam ni hpe chye na la u.
High humidity: Moisture content is often >30%, 50% du hkra pyi du wa ai, grai ahkyak ai hka lim ai lam hpe tawn da ai.
Hpa majaw nga yang, n-gun ja ai: Materials ni gaw, jak a kata na bunghku ni hpe hkan nang chye ai majaw, scabs hte n-gup n-gu ni hpe byin shangun ai majaw, hpang jahtum e, jak rai ni hkrat sum mat ai.
Ga shadawn, ndai hta matut manoi galaw shapraw ai lam lawm ai, ndai hta, langai hkrai a-unit hpe galaw lu ai atsam (hkying hkum mi hta ton latsa kaw nna latsa daram) ra ai.
N-gun atsam hkam sha lam: Ndai zawn re ai hka law law hpe sawk sagawn ai gaw n-gun hpe core manu jahpu jaw ya ai, dai jak a thermal efficiency gaw project a akyu hpe hkrak dawdan ya ai.
Disc dryers, belt dryers, flash dryers zawn re ai common dryer ni gaw, ndai machyi ai shara langai (sh) law law hpe hkrum katut ai shaloi hkrat sum chye ai. Rotary kiln dryers ni hpe shanhte a laklai ai hkrang hte, ndai machyi ai shara ni hpe hparan na matu tatut galaw da ai.
II. Rotary Kiln Dryers ni a bungli galaw ai npawt tara
1. Countercurrent Heat Exchange: Ndai gaw shanhte a efficiency a madung rai nga ai. Lawu daw kaw na rotary drum de arung arai ni shang wa nna, tsaw ai{2}} n-gun ja ai nbung katsi ai nbung gaw lawu daw (discharge end) kaw na n bung ai maga de shang wa ai.
Kaja ai lam ni: grau katsi ai hka lim ai gas gaw, katsi dik htum ai arung arai ni hte hkrum ai (dai hta grai n law ai hka lim ai, grai katsi ai hpe pat shingdang da ai), n-gun n law ai, n-gun n law ai, tsaw ai{1}}hhumidity gas ni gaw, hka lim ai hka katsi ai arung arai (shi a ngam nga ai katsi ai galai shai ai atsam hpe jai lang ai lam hpe jai lang ai). Ndai model gaw, galaw ai lam ting hta, katsi ai hpe htawt sit ai n-gun hpe grau law hkra shabyin ya ai majaw, grai katsi ai hpe jai lang ai lam byin pru wa ai.
. Drum a kata bunghku ntsa hta lifting plate amyu myu hpe jung da ai. Shanhte gaw ahkyak ai lit hpe gun hpai ma ai: shinggrup ai aten hta, shanhte gaw dai arai hpe matut manoi sharawt nna, langai ngai a maga de jahkrat kau nna, drum cross-section ting hta arung arai ni a hkrang bung sumla hpe hpaw shabawn ma ai.
Akyu: Ndai lam gaw, arung arai hte nbung katsi ai lapran na matut mahkai ai shara hpe grai jat shangun ai majaw, nbung katsi ai gaw, dai arung arai a layer hpe shang lu ai majaw, grai ja ai hte hkrak ai nbung hpe galai shai lu ai. Dai gaw, n-gun ja ai arung arai ni hpe shinggrup nna bunghku de shinggrup ai lam a ahkyak ai manghkang ni hpe hkum tsup hkra hparan ya ai.
. Hpang jahtum, katsi ai arung arai hpe lawu na daw kaw na shapraw kau nna, n-gun dat hpe ntsa daw kaw na shapraw kau ai.
Tsun mayu ai gaw, shi a "rotation" gaw, matut manoi, "cascade- zawn re ai marang hpe shabyin ya nna, nbung katsi ai hpe atsawm sha shang lu nna, hka hpe yeng seng kau lu ai.
III. Structural byin pru wa ai lam ni: "Moat" ngu ai sumla hkrung manga hpe gawgap ai
1. Htai ga
Dai n-gun kaba ai drum (meter law law galu ai hte galu kaba ai meter law law) gaw, n-gun kaba ai galaw shapraw lu ai atsam hpe jaw ya ai, dai ni na aten na hpaga lam hta ra kadawn ai sut masa hpe loi loi hte hkap la lu ai.
2. Arung arai ni hte htuk manu ai lam
3. Kam mai ai lam
Dai power system gaw madung hku nna classic roller + roller drive system hpe jai lang ai, grai kungkyang ai hpaji masa hpe kam hpa mai ai lam grai law ai, shata law law tup 24/7 matut manoi hte ngang grin ai hku galaw lu ai.
Operation gaw asan sha rai nna, hpaji hparat n law htum ra ai. Operation parameters (speed, inclination angle, nbung n-gun, nbung n-gun) ni hpe masat da ngut ai hpang, dai product a hka n-gun gaw mau hpa hku nna ngang grin nga ai.
4. Hka lum ai lam
Dai zawn re ai n-gun rawng ai lam gaw, nbung laru galai shai ai shara kaba hte hpawn, nbung n-gun atsam hpe 60%-75% du hkra lu shangun ai, htunghking hku nna hka ja ai jak law law hta grau law ai. Ndai gaw wan sau manu hpe shayawm kau ya ai.
Dai gaw, nbung n-gun amyu myu hpe grai htuk manu ai, flue gas, steam, hte kaga ni hpe jai lang ai.
5. Lifespan hte Durability
Dai n-gun ja ai wa{0}}duty n-gang structure hte wear- hpe n-gun n-gun n-rawng ai arung arai ni hpe lang ai (worder{2}} hpe n-gun n-rawng ai n-gang n-gang (sh) castables zawn re ai ni) gaw ahkyak ai shara ni hta shaning 20 jan na hkra hkrang shapraw ai asak hkrung lam hpe madi shadaw ya ai, one{4}} aten hta gumhpraw bang ai hpe galu kaba ai{5}} aten na akyu ara ni hte madun dan ai.