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Help Center300 Centrifugal Spray Drying Project
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I. Equipment design conditions
Ii. System description
Three, equipment technical parameters table
Iv. Description of equipment mechanism performance
V. Device configuration details
Vi. List of spare parts of equipment
Vii. Equipment price
Viii. Supply cycle
Ix. Engineering Description
X. Other matters
1. Equipment design conditions
material and liquid conditions
Material name:
Material solid content: ≥25%
Material handling capacity: 380kg/ hour
Dry product final moisture: ≤5% dry product yield: 100Kg/h
Water evaporation: 280Kg/h
Material liquid temperature: about 30℃
Equipment material: Material contact 304
Heat source: saturated steam 0.8mpa + electric heating compensation
Air inlet temperature of drying tower: 180-200℃
Air temperature of drying tower: 80-100℃
Exhaust temperature: 60℃
Finished particle size: 90-100 micron
Dry product recovery rate: ≥98%
2. Process conditions
Atomization method: centrifugal fog drops and hot air
Contact mode: parallel flow
Heat source and heating mode: steam + electric heating
Tower inlet air temperature: about 180-200℃
Tower exhaust temperature: 80 ~ 100℃
Product collection method: collector at the bottom of the spray tower
Product collection method: first stage + second stage cyclone collector
Equipment material: Contact with material 304
3. Design meteorological conditions (standard)
Atmospheric pressure: 101.325KPa
Ambient temperature: ~20 ° C
Relative humidity: 60-80%
4. Utilities
4.1, the power supply
Power supply: 380V, 3 phase, 50HZ
Power: 70KW;
Electric compensation heating: 150KW (automatic temperature control)
4.2, steam consumption: 218240kcal/h÷500kcal=~436kg/h
(Steam /kg calorific value utilization: 500Kcal)
4.3 Compressed air
Pressure: 0.4-0.6 MPa
Usage: 0.3 m3 / min
4.4 Water consumption (drying tower cleaning)
Pressure: Clean water gun
Dosage: 500kg/h(for cleaning)
5. Calculation process
1, per hour dry production: G dry = 100 kg/h
2, moisture evaporation per hour: W water =100×(75-5)÷(100-75)=280kg/h
3, stock solution processing capacity per hour: G wet = G dry +W water =100+280=380kg/h
4, the total heat consumption of water evaporation: Q1= 280×600=168000kcal/h
5, material and moisture temperature must heat: Q3=380×1×(100-20)=30400kcal/h
6, total energy consumption: Q total =Q1+Q2=198400kcal/h
7, drying equipment heat loss 10% : Q total =198400×1.1=218240kcal/h
Ii. Description of selection
At the beginning of the selection
LPG-250 centrifugal spray drying unit
Heating system: saturated steam + electric heating compensation
Fine powder collection system: first stage cyclone collector
Fine powder collection system: secondary cyclone collector
Medium circulation system: open circulation of induced draft fan
Air filtration system: initial effect。
Feeding system: screw pump adjustable feeding
Control system: instrument display temperature, differential pressure inlet and outlet air temperature automatic control material liquid automatic control。
Three, equipment technical parameters table
Water evaporation (water evaporation) 280Kg/h (set)
Tower diameter/tower height Outer diameter 4.2m/total height 9.5m
Operating temperature Inlet temperature 200/ outlet temperature 100
Mechanical centrifugal atomizer domestic well-known brand
Installed power drive 70KW,
Electric heating compensation 150KW;
Gas consumption is about 0.6m3/min
Water consumption 500kg/h (for cleaning)
Drying system in the form of open circulation system
Feeding mode screw pump stable feeding
Hot air contact mode parallel flow mode
Heat source steam + electric heating compensation
Product collection method cyclone dust collector
Atomization method: Mechanical centrifugal atomization
Control mode: set and control air inlet temperature arbitrarily, display temperature, pressure difference flow control
No.: |
Name |
Model |
Qty |
Material |
Remark |
Feeder system | |||||
1 |
Screw pump |
1Set |
304 |
3kw |
|
2 |
Valve pipe material into the door |
1Set |
304 |
||
Medium circulation system | |||||
1 |
Blower |
4-79-4.5A |
1Set |
Q235 |
11kw |
2 |
Air regulating butterfly valve |
1Set |
Q235 |
||
3 |
Induced draft fan |
9 - 26 - 9D |
1Set |
Q235 |
45kw |
4 |
Air regulating butterfly valve |
1Set |
Q235 |
||
5 |
Hot air insulation pipeline |
1Set |
Q235 |
Heat preservation, 100 mm |
|
5 |
Insulation |
Stainless steel in front of rotary air separator |
1Set |
304 |
Swirl air separator back Q235B |
7 |
Exhaust pipes |
1Set |
304/235Q |
||
Air heating and purification system | |||||
1 |
Primary air filter |
Set |
The casing outside the Q235 |
Non-woven fabric |
|
2 |
Steam heat exchanger |
480M2 |
Set |
304 stainless steel fin aluminum |
|
3 |
Electric heating compensation |
15OKW,Controlled cabinet control |
Set |
304 stainless steel |
304 electric heating tube |
Drying machine and material collection system | |||||
1 |
Spray drying chamber |
DN4000*H7600 |
1SET |
Su304 |
|
2 |
Inlet pressure stabilizing chamber |
1Set |
Su304 |
||
3 |
Hot air distributor |
1set |
Su304 |
Three layers |
|
4 |
Mechanical atomizer |
1set |
Su304 |
5.5kw |
|
5 |
lighting |
200w |
2set |
||
6 |
Observe the manhole |
610X510 |
2set |
||
7 |
Heat preservation |
thickness 100mm |
1set |
Rock wool |
|
8 |
Pneumatic hammer |
SK60 |
6set |
AL |
Four fluorine head |
9 |
Continuous feed valve |
Ø200 |
2set |
SUS304 |
|
10 |
Cyclone dust collector |
Ø850 |
2set |
SUS304 |
|
11 |
Ink dust collector |
Ø1200*6500 |
1set |
SUS304 |
3. 0kw |
Control system | |||||
1 |
Operation counters |
1set |
spraying plastics |
||
2 |
Contactor element |
1set |
schneider |
||
3 |
Temperature control module |
1set |
Siemens |
||
4 |
The inverter |
Screw pump, atomizer, induced draft fan |
3set |
ABB |
|
5 |
Touch screen |
PLC control |
1set |
Siemens |
|
other |
Form a complete set of system |
||||
1 |
Escalator, rail |
1set |
Q235 |
||
2 |
Drying tower platform |
1set |
Q235 |
Users should bring along their own |
|
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