Biomass Based Technologies

CRT NEpal

Technology: Improved Cooking Stove (ICS)

Use: Household heating/cooking/heating purpose

Description:  
ICS consists of combustion chamber, baffle, pothole, fuel exist hole, raised pothole, chimney pipe, grate, lug, shoot cleaning hole, chimney hood, and primary and secondary holes. It is gaining popularity among rural households in mid hills due to the reduction in fuel wood use as well as the improvement of health and sanitation. ICS can be one pot, two pot or three pot depending upon the size of the family.

For whom: household and institution

Subsidy: No provision of government subsidy

Technology: Chitwan Model Improved Cooking Stove (ICS)

The Chitwan Model Improved Cooking stove has the same stove features as the ICS being promoted in mid-hills.

The improvement in this model is as follows:  

  • Addition of ceramic combustion liner,
  • Introduction of better insulation around the combustion chamber, and
  • Reduction in the height of the chimney  
  • Raised from the ground

 

Technology: Institutional Improved Cooking Stove (IICS)

Use: institutional/commercial cookingIICS

Description:
IICS is a modification of a traditional stove. The pot holes have top plate (rings with adopter) made from cast iron. Cast iron is also used on fire gate and grate while GI sheets or bricks are used for chimney.

Specification: IICS is designed by technical experts following standard designed.

Subsidy: No provision of government subsidy

 

 

 

Technology: Portable Rocket Stove

Use: household/institutional cooking

Description: Rocket stove
The rocket stove has insulative ceramic liner and insulative handle at both ends which is designed especially to suit the cooking habits of terai people. Light weight, smooth design makes the stove a portable device.

Rocket Stove Specification:
Stove features:

  • Single pot hole
  • Suitable for household and Institutional cooking
  • Gives good flame, clean burning with very little smoke


Size: 30 cm x 30cm and 30 cm high with collar 12 cm
Shape: Cuboid 
Materials Required: Clay, saw dust, aluminum sheet
Efficiency: 20-26%
Subsidy: No provision of government subsidy

Technology: Metallic Stove

Use: Cooking

Description:
Stove Type: Metal Stove with Chimney
Stove Model: Improved version for high hills and mountains
Stove Features: 3 pot hole metallic stove
Needs pre-fabrication in the local workshop
Semi-Portable
Subsidy: Provision of subsidy by government

 

Technology: Briquette

Use: Heating

Description: Briquettee
Briquette is made up of compact solid composites of different sizes by densification of loose biomass material (crop, agricultural and forest residue). It is easy to store, pack and hygienic to handle.

Bee Hive Briquette Specification

  • Weight of briquette: 350-400 gms
  • Burning time: 90 minutes
  • Calorific value: 30 MJ/kg
  • Binder Material: Clay
  • Binder composition: 25-30%

For whom: household
Subsidy: No provision of government subsidy

Technology: Gasifier

Use: Household and institutional cooking

Description:
Gasifier stove can act as a simple and very important device for an energy sector which can improve cooking and kitchen environment.

Stove Features:

  • Single Pot hole
  • Gives good flame
  • Uses high speed fan (4-6”),
  • Clean burning without smoke


Subsidy: No provision of government subsidy