Agriculture Engineering
Energy Gadgets :: Gasifier Gadgets

 

Rice Husk Gasifier

1.

Function

:

Thermal applications in small scale industries

2.

Specification

:

i. Rice husk consumption rate

:

6 – 8 kg/h

ii. Thermal efficiency

:

55 – 60 %

iii. Gas yield        

:

10 – 12 m3/h

iv. Power required for blower

:

0.2 kW

v. Thermal capacity

:

10,000–15,000 kcal/h

3.

General Information

:

A 4.5 kW downdraft open rice husk gasifier consists of two cylindrical drums of 300 mm and 370 mm diameter, joined with flange at the top and fitted with a grate and a lid at the bottom. A 0.2 kW electrical motor run blower sucks the gas, produced from the plant and supplies to the burner. The gas cooling and cleanup systems were provided in between the reactor and the burner.

4.

Cost of the unit (approx)

:

Rs. 25,000

5.

Cost of operation

:

Rs.30/h   

5.

Salient features

:

 

Thermal applications of rice mills can be suitably met with the thermal efficiency of    55 to 60%

 

Compared to diesel system, about Rs.300/day can be saved

 
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