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1 Products availableOur Complete range of products are mini blast furnace, Rotary Furnace, SINGLE TEMPLE FURNACE, DOUBLE TEMPLE FURNACE and Chimney.
A Mini Blast Furnace (commonly known as MandirBhatti or ShahiBhatti) is a simple, time-tested and widely used system to produce secondary lead in India and many other countries. It is the most basic of all furnaces and a production system basedon this technology has certain distinct characteristics such as:
Apart from plates and paste of lead oxide from scrap batteries, slag from Mini Blast Furnace is charged in the Rotary Furnace.
In addition to these, certain compounds of sulphur are also present in the batteries. When this material is heated in thePresence of carbon, lead oxide is converted to lead. This conversion along with burning of fuel generates flue gases and fumescontaining dust, dirt, oxides of lead, lead particles and such other impurities etc.
Hence, to meet various goals of maintaining employees' health and factory environments as well as regulatory requirements, it becomes imperative to get high end Air Pollution Control Systems to be installed with the Rotary Furnaces.
The Furnace itself is a modified blast furnace which consists of a brick lined structure with fire brick oven in the midst and ametal Exo-skeletal structure outside. Raw material & fuel (coke) is charged manually through the side metal doors fitted in the brick structure and air is provided from the FD fans provided at the back of the brick structure. Molten metal & slag is tapped at the pits made in front of the brick structure and flue gases are sucked from the top of the brick structure which is provided with a metallic hood.
Lead to be manufactured from Mini Blast Furnace is usually obtained from scrapped batteries. They are cut open or broken to segregate lead scrap, plastic and other materials from it. Lead scrap in the form of lead powder and plates etc. is charged inthe furnace along with a proportionate charge of wooden coke. Thereafter the furnace is manually fired with the help of rags.FD Fan provides the necessary air required for combustion from the back of the furnace.
Coke in the oven performs thefunctions of both, the fuel as well as a reducing agent for obtaining lead from its oxides charged in the form of lead plates & Powder.Temperature of the furnace is maintained at the desired level for approximately 30 minutes, after which molten lead along with slag flows out from the bottom of the oven into the outlet pit. Here slag is separated and molten lead is poured into IngotMoulds. To maintain this, continuous charge of raw material and coke is maintained in the furnace.This process leads to generation of flue gases which are toxic in nature and need appropriate and adequate Air PollutionControl System for their treatment.
The generated gases are passed into atmosphere after treatment through chimney of suitable height and diameter.
they pass through a spray of fine water droplets provided by a spray shower provided in the body. This fine spray leads to scrubbing of any pollutant in the flue gases. Cleaned gases escape through the top opening after passing through a mist eliminator whereas water with pollutants moves to the bottom of the Scrubber from where it is passed into the tank. One or more chambers of the tank allow for settling of pollutants which are then periodically cleaned and fresh water is added to make up any loss in quantity of water.It is then recalculated to the Scrubber.
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