How to calculate the fuel consumption of rotary sand dryer

For the rotary dryer, according to the past experience, to evaporate one ton water into vapour needs about 600000 kilocalorie. For example, the input moisture content of sand is 30%, output moisture content of the sand is 2% , fuel is natural gas (Heat value of natural gas is 8500 kilocalorie per m3), processing capacity of sand dryer is 2 t/h

Rotary Dryer Design - 911 Metallurgist

Diameter of the dryer = [ e = 2.09 m. Diameter of dryer = 2.09 m. Length of transfer unit has been related to mass velocity and diameter by following relation, Ltu = 0.0064 xCp x (G) 0.84 x2.04 = 7.36 m. Length of the drier = Ltu x NTU = 7.36 x 1.5 =11.05 m. Following dimensions for the drier are chosen. L =

(PDF) Basic process calculations and simulations in drying

This phase being dried (in kg/s) this equation reads: has a far-reaching influence on methods of solving the model. A corresponding equation will have to be dX written for yet another phase (gaseous), and the equa- WS X1 u0002 WS X2 u0002 wD A mS (3:2) dt tions

(DOC) Rotary Dryer Design | chouaib sofiane

Chouaib Sofiane. 7. PROCESS EQUIPMENT DESIGN 1. ROTARY DRIER Feed (NH4)2SO4 +H20 Hot air Spent air Product Moist (NH4)2SO4 Amount of water infeed = 212.5 kg/hr Dry solid infeed = 10417 kg/hr Water content in product = 105.25 kg/hr Hence water dried in drier = 107.25 kg/hr Inlet air temperature = 150 C Outlet air temperature = 85 C Inlet

Design of an Industrial Rotary Cylinder Grain Dryer

The main functions of the air speed inside the dryer are to transmit the energy required to heat the water contained in the grain, facilitating its evaporation and transporting the moisture evaporated by the material. The air speed for the correct drying of the grains in

Compressor power calculation - Centrifugal, rotary

The power calculated must also be corrected by an efficiency coefficient given by the manufacturer of the compressor considered. 2. Usual values for calculations. For air k=1.4. Reciprocating compressor high compression rate η=0.75. Reciprocating compressor low compression rate

How to calculate required input power for a gearmotor

Feb 26, 2021 The first place to start when sizing a gearmotor is to determine the required output torque and speed. But once torque and speed are defined, you’ll also want to know the required input power for the motor — particularly if the gearmotor uses an AC induction motor, where the power rating (typically given in horsepower) is used as a key factor in sizing

Force needed to rotate a drum/cylinder | Physics Forums

Mar 30, 2011 What about the power required for continuous operation of a rotary drum ? i.e acceleration equals zero . Feb 12, 2009 #7 Cyrus. 3,042 15. Try google. Feb 12, 2009 #8 ... i need an equation that i can use to calculate the power required to rotate such a cylinder during continuous operation at a certain rpm that i'll know later on i.e

[How To]Calculate the Power Required for an operation

Power Consumption Calculation for a 20HP Motor, current consumed is 16Amp's ( from VFD), It will be P (Watts) = 440 x 16 x 0.85 x 1.732 For Three Phase, = 240 x 16 x 0.85 For Single Phase, here the Power Factor Cos (phi) is considered as 0.85, So for Three Phase commercial purpose it will be P = 10364 Watts = 10.364 K Watts

BEST PRACTICE MANUAL - DRYERS

Calculation of the quantity of water to be evaporated is explained below with a sample calculation. If the throughput of the dryer is 60 kg of wet product per hour, drying it from 55% moisture to 10% moisture, the heat requirement is: 60 kg of wet product contains 60 x 0.55 kg water = 33 kg moisture and

Rotary dryer calculations excel - Manufacturer Of High-end

Rotary Dryer Calculations Excel. Rotary Dryer Calculations Excel Calculations in a continuous dryer heat reguirements q kj h air before heater relative humidity 1 on the tools menu click options then click the calculation tab and tick on the iteration box on maximum iterations box write 1000 b turn the switch on set the. Oline Chat

Calculation of the thermal efficiency of drying machine

Nov 03, 2010 Q1 - the heat required for evaporating, J; Q2 - the heat provided by heat source, J. the heat of drying machine include the three parts: the heat required to evaporate water, heat required for heating the material and the heat loss. Calculation of the thermal efficiency of drying machine

PROCESS DESIGN OF DRYERS (PROJECT STANDARDS

Design Criteria and Calculations 41 APPENDIX A 47. KLM Technology Group Project Engineering Standard PROCESS DESIGN OF DRYERS (PROJECT STANDARDS AND SPECIFICATIONS) Page 2 of 48 Rev: 01 April 2011 SCOPE This Project Standards and Specifications is intended to cover minimum requirements for process design of dryers used in oil, gas, and

Complete rotary dryer design and calculation-PALET

Jan 29, 2020 Rotary Dryer Calculation： Volume calculation: G 1 =AV ｛1000 〖W1—W2〗 〖100—W1〗｝ 3=AV ｛1000 (55-12)/(100-55)｝=AV/956. V=81.9m 3. Provided Drum dimension:φ2.2 24m. V=πr L=3.14x（1.1） x24=91m 3 82m 3 （fulfill requirement) Rotary Dryer Energy Balance. Air Flow Velocity: v=1.5m/s, Dry Air Density: ρ=1.2kg/m 3

Sizing Of A Rotary Dryer - Blogger

Jan 16, 2019 Take the maximum superficial air velocity to be 1.2 m/s (this is 20% less than the maximum allowable velocity since part of the dryer is filled with the moving solid, and the entire cross-section is not available for gas flow). If d is the diameter, (πd2/4) x

Rotary Dryer Design & Working Principle

Jun 01, 2016 Sizing a Rotary Dryer using a Capacity Table. Rotary Dryer is a simple, inexpensive unit for reducing the moisture content of flotation concentrates, as well as chemical and industrial products. Frequently the saving of shipping weight so effected will pay for the dryer in a few months. Difficulties from freezing while in transit are also

Rotary Dryer Working Principle, Design,Drying System , Uses

Rotary Dryer Calculation： Volume calculation: G1=AV ｛1000 〖W1—W2〗 〖100—W1〗｝ 2=AV ｛1000 (60-15)/(100-60)｝=AV/1125. V=59.2m3. Provided Rotary Dryer dimension:φ2.0 20m. V=πr L=3.14x（1） x20=62.8 59.2m3（fulfill requirement)

Rotary Dryer Design and Simulation Software

Dryer RPM, Dryer power, Number of Flights and Residence Time; Shell Installation Geometry Module: To install the Rotary Dryer Shell or to adjust the shell alignment a geometry module is also available. Steam Heating: Software is also available for steam heating. Reports: Results from each calculation can be displayed in report format

Direct heated rotary dryer - SlideShare

Apr 10, 2018 DIRECT HEATED ROTARY DRYER FOR SILICA SAND Required: “CONFIDENTIAL” Sh.a. DESIGNED: Arberor MITA Design group“ELMAGERARD” 16 Retention time 17 Klin action load 18 Total bed load 19 Mean retention time 20 Percentage of loaded shell 21 Motor power calculation 21.1 Showering power 21.2 Kling action power 21.3 Motor power 22 Dryer drum

EXCEL-BASED TOOL TO ANALYSE ENERGY

An alternative measure of dryer efficiency is the specific energy consumption defined as the heat input to the dryer per unit mass of evaporated water. Because for convective dryers the heat input is given as power supplied to the heater then ()1 2 h ev h s F X X Q W Q E − = = (11)