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Vertical Cement Mill's
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Question
1. PLANT SITE AND KILN
Altitude, meter above sea level(M) :
Kiln capacity average ( t/d) :
Type of cooler :
Kiln operation days per year (d/y) :
2. TYPE OF MILL
Name of original mill supplier (mm) :
Mill size :
Mill table diameter (mm) :
No. of rollers :
Roller diameter x width (m) :
Mill external circulation system :
Yes
No
Dam Ring Height :
3. YEAR OF INSTALLATION
YEAR OF INSTALLATION :
4. CAPACITY IN TPH
Type of cement product Kind of material :
Present production
(t/h(Dry)) :
(45µ%) :
(Blaine) :
Production guaranteed by supplier and fineness
(t/h(Dry)) :
(45µ%) :
(Blaine) :
Average production (last 12 months) and fineness
(t/h(Dry)) :
(45µ%) :
(Blaine) :
Max production (last 12 months) and fineness (after exchanging rollers to new one)
(t/h(Dry)) :
(45µ%) :
(Blaine) :
Min. production (last 12 months) and fineness (before exchanging worn-out rollers to new one)
(t/h(Dry)) :
(45µ%) :
(Blaine) :
5. MILL MOTOR DETAILS
Mill motor power installed (name plate) (kW) :
Actual mill motor power consumption (avg) (kW) :
6. CIRCULATING AIR FAN DETAILS
Fan motor power installed (name plate) (kW) :
Fan airflow design (Am3/h) :
Fan pressure design (mbar) :
Actual fan motor power consumption (kW) :
Actual air flow at fan inlet (Am3/h) :
Actual pressure at fan inlet (mbar) :
Fan speed variable :
Yes
No
Speed Range (RPM) :
Recirculation air flow (Am3/h) :
7. FEED DETAILS
Size of Feed (mm) :
Feed size distribution :
(%) :
(mm) :
8. OPERATION DATA
Mill operation hours / day average (h/d) :
Mill Inlet Pressure(mbar) :
Mill Inlet air temperature (°C) :
Mill Outlet Pressure (mbar) :
Mill Outlet air temperature (°C) :
DP across mill (pressure outlet-inlet) (mbar) :
Actual air flow (mill outlet) (Am3/h) :
Residue 45 micron Mesh (%) :
Blaine (cm2/g) :
Average power consumption (kWh/t)
for mill :
for IDF :
for total (mill + IDF ) :
for separator :
Average operation hours per day ( h/d ) :
Average working hours for roller segments and table liner ( for exchange ) (H) :
Wear rate of table segment (g/t) :
Wear rate of roller segment (g/t) :
Area of nozzle ring (m2) :
Grinding aid
Type of grinding aid (g/t-cement) :
Feed quantity :
Feeding point :
Water spray (t/t-cement) :
Feed quantity :
Feeding point :
9. GRINDING PRESSURE
Mill operation grinding pressure (bar) :
Mill max allowed grinding pressure (bar) :
10. CLASSIFIER DETAILS
Type :
Installed motor power (name plate) (kW) :
Speed Range (RPM) :
11. CLASSIFIER GEARBOX DETAILS
Maker :
Size (kW) :
Gear Ratio :
Type :
Safety factor :
12. TYPE OF DEDUSTING EQUIPMENT
Cyclones before BF :
Yes
No
Bag Filter (filter bags area) (m2) :
E.P. :
Yes
No
13. PREFERRED BENEFIT (give priority from 1 to 5, 1 is highest priority)
Production increase
Residue improvement
Power saving
Blaine improvement
Less vibration
14. ELECTRICITY AND CONTROL
Cycle (Hz) :
High Tension (Voltage for more than kW) :
Low Tension (Voltage for less than kW) :
15. ANY ADDITIONAL INFORMATION AND SPECIAL REQUIREMENTS
ANY ADDITIONAL INFORMATION AND SPECIAL REQUIREMENTS :
DRAWINGS REQUIRED
PROCESS FLOW SHEET
MILL GENERAL DRAWINGS
CLASSIFIER DRAWINGS
FAN CHARACTERISTIC CURVES
L.V. Techology Public Company Limited :
719 KPN Tower 9th and 24th Floor, Rama IX Road, Bangkapi, Huaykwang, Bangkok 10310 Thailand.
Tel :
(+66)2 7170835-40
Fax :
(+66)2 7170841
E-mail :
mkt@lv-technology.com
Website :
www.lv-technology.com