Sinhal's indirect fired heaters are compatable to Coal, Wood, Leco, Husk charging & are manufactured from grade 20 cast iron casting as well as special grade heat resistant alloy cast advantageous over other brands as we make the complete heaters in house in our foundry. Thermal efficiency as high as 85% is achieved in our heaters.

AIR FLOW WORKING PRINCIPLE

The ambient air which is regulated enters from the cold air intake & Touches the outer surface of the exchanger tube bundles. Hot flue gases drawn by a draught created over the grade by the fan & chimney pass through the 4 rows of tube banks & over other cast surfaces & the ambient air drawn by the dryer picks up the heat from these heated surfaces. Once preheated it further travels through the outer circuit reaches the top, changes the course goes in the inner circuit gradually building the temperature at each temp zone. Once it completes the highest temp zone & absorbs the max temp there & goes to the nose bag by touching the back plates. from nose bag the air is sucked inside the dryer.

SALIENT FEATURES

  1. Sinhal's Heater reduces fuel consumption due to max utilisation of heat by it's increased no. of passes, thus saving cost of production.

  2. There is no air or gas leakage therefore no sudden drop in temp from our heaters which prolongs life of casting & maintains consistence required temp inside the heater. Fuel gas temp never falls below dew point.

  3. Sinhal's Heaters are fitted with 4 rows of tube banks providing greater area for heat transfer & which lasts for decades in comparison to older heaters which requires constant changing of oval tubes. All our tubes are hydraulically tested to with stand high temp requirements and to avoid gas leakage.

  4. Maintainance free as total lagging avoided at outer surface & insulation provided.

  5. Temp can be raised to 200 degrees Farenheit/ 130 degree Centigrade within 45 mnins. low coal consumption upto .5 to .8 Kgs. per kg of made tea.


SPECIFICATION
Compatible for Mark I Mark II Mark III Mark IV
  Std. 5 Pass Std. 5 Pass Std. 5 Pass Std. 5 Pass
  4 ft. Quality, Paragon, Similar Dryers and for Weithering Trough out put - 120 kgs.   6 ft Conventional Dryers
out put - 210 kgs.		   EE Model VFBD or Extended conventional Dryers or 2 small Dryers output - 250 kgs   FF Model VFBD or 2 normal conventional Dryers out put - 350 kgs.  
Arch bars (L.H. & R.H.) 2+16+2 2+16+2 2+16+2 2+16+2 2+16+2 2+16+2 2+16+2 2+16+2
Width (mm) 4270 4270 4270 4270 4270 4270 4270 4270
Length (mm) 5223 5353 5312 5442 5687 5847 6040 6040
Height (mm) 2640 2640 3021 3021 3450 3450 3450 3450
Tube Bandles 2C.I+2C.I 2C.I+2M.S. 2C.I + 2C.I 2C.I+2M.S. 2C.I + 2C.I 2C.I+2M.S. 2C.I + 2C.I 2C.I+2M.S.
Bundles per Row 6C.I 6C.IX3M.S 8C.I 8C.IX3M.S 10C.I 10C.IX3M.S 10C.I 10C.IX3M.S
Total Bundles in 4 Rows 24C.I 12C.IX6M.S 32C.I 16C.IX6M.S 40C.I 20C.IX6M.S 40C.I 20C.IX6M.S
Grate Area (M)² 0.97 0.97 0.97 0.97 1.27 1.27 1.51 1.51
WT of Heater Approx   12Mt   16Mt   18Mt   22Mt
Coal Burning capacity per Hour in Kgs.                
1. Stroker 170 170 170 170 225 225 265 265
2. Manual 130 130 130 130 170 170 200 200
Heat Generated Per Hour. in K/Cal at 5000 K/Cal per kg of coal                
1. Stroker 6.5 lakh 7 lakh 7 lakh 7.5 lakh 8.5 lakh 9 lakh 10 lakh 11 lakh
2. Manual 6 lakh 6.5 lakh 6.5 lakh 7 lakh 8 lakh 8.5 lakh 9.5 lakh 10.5 lakh
Air is required to burn coal                
1. Stroker 3000 3000 3000 3000 4000 4000 5000 5000
2. Manual 2300 2300 2300 2300 3000 3000 3800 3800
CFM available               33000

Spares for all types of Heaters & Dryers

ALC hydraulic tested stove tubes and Economiser tubes made of graded Cast Iron heat resistance casting.

Trays round back or L/Back made of 20G M.S. Sheet and 12 G M.S pipe, Galvanised or powder coated in various perforation/Blank.

 

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