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We are leading suppliers and consultants for the all gasification needs of the industry.We have designed, installed and commissioned coal Gasifiers in ceramics, steel, aluminum, copper, fertilizer and glass industries
We at DEV ENERGY have partnered with YISHENG Corporation in china who is one of the largest and specialized coal gasification equipment manufacturers. They have the certificate of manufacturing the first class of pressure vessels, integrated manufacturing system and advanced detecting methods. A large group of experienced and technical experts work in India and china. Our professional team is capable of supplying the services of design, manufacture, installation, training and technical consultation, in the complete process in the field of gasification.
We have supplied more than one thousand of coal Gasifier systems for both China and Asian market. We have wide experience in the construction materials, ceramics, glassware, chemical, fire-resistance, steel metallurgy and machinery industry applications.
In India, we have experience of more than 9 years for implementing gasification technology. Our systems are running successfully since 2003. The air cooling technology, where coal gas does not come in contact with the water, was first installed by us in India. Till date our systems are the only one using this technology.
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Nature of Business

Service Provider

Legal Status of Firm

Limited Company (Ltd./Pvt.Ltd.)

Annual Turnover

Rs. 2 - 5 Crore

GST Number

07AADCD3349R1Z5

Clean Coal Gas To Replace Even Natural Gas
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Double Stage Hot Gas Generators
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The system produces coal gas in two stages.
The UPSTAGE GAS is produced when the coal in the gasifier upstage is dried and preheated making the volatile matter in the coal to evaporate into coal gas. This gas has a temperature of around 100-120 °C.
The DOWN STAGE GAS is made by a mixture of steam and air, which goes through red-hot fixed burning bed. The oxygen content in the air and steam react with the carbon in the fuel; generating the producer gas
Reaction of steam and carbon is endothermic reaction:
C + H2O= CO + H2
When oxygen and carbon react, and then heat output:
2C + O2 =2CO ; C + O2 = CO2 ; CO + H2O = CO2 + H2
In the reducing zone, quick reaction is occurred when the temperature is below 1200 Celsius degree
CO2 + C = 2CO and H2O + C=H2 + CO
When the coal gas goes through the reducing zone, flammable gas content raises rapidly, carbon dioxide and steam content decrease. Across the reducing zone, this part of coal gas is withdrawn through a series of vent in the gasifier walls and taken out through its outlet. Its temperature is around 300-400 Celsius degree and container dust and ash particles.
The upstage gas is passed into electric detarrer which is a specially designed ESP (Electro Static Precipitator) to remove tar. Tar come from the bottom of electric detarrer is sent to the tar tank.
The down stage coal gas is passed by cyclone separator to remove dust particles that it may contain.
Both these gases are then mixed in a pipeline mixer and then this clean gas of average temperature of 200 C , and calorific value of 1350 Kcal/Nm3 is transmitted to the user point.

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Double Stage Hot Clean & Cold Gas Generators
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GAS GENERATION
The system produces coal gas in two stages.
The UPSTAGE GAS is produced when the coal in the gasifier upstage is dried and preheated making the volatile matter in the coal to evaporate into coal gas. This gas has a temperature of around 100-120 °C.
The DOWN STAGE GAS is made by a mixture of steam and air, which goes through red-hot fixed burning bed. The oxygen content in the air and steam react with the carbon in the fuel; generating the producer gas
Reaction of steam and carbon is endothermic reaction:
C + H2O= CO + H2
When oxygen and carbon react, and then heat output:
2C + O2 =2CO ; C + O2 = CO2 ; CO + H2O = CO2 + H2
In the reducing zone, quick reaction is occurred when the temperature is below 1200 Celsius degree
CO2 + C = 2CO and H2O + C=H2 + CO
When the coal gas goes through the reducing zone, flammable gas content raises rapidly, carbon dioxide and steam content decrease. Across the reducing zone, this part of coal gas is withdrawn through a series of vent in the gasifier walls and taken out through its outlet. Its temperature is around 300-400 Celsius degree and container dust and ash particles.
COOLING AND CLEANING
Step 1: The upstage gas is passed into electric detarrer which is a specially designed ESP (Electro Static Precipitator) to remove tar. Tar come from the bottom of electric detarrer is sent to the tar tank.
Step 2: The down stage coal gas is passed by cyclone separator to remove dust particles that it may contain.
Step 3: Then down stage coal gas is cooled indirectly in a heat exchanger with water to cool it by 100-120 °C.
Step 4: Then down stage coal gas is passed through a indirect air cooler to cool it by 100-150 °C.
Step 5: The Upstage and downstage coal gas are mixed in the entrance of indirect cooler, the temperature after mixing and cooling in the indirect cooler is 35-40 Celsius degree.
Step 6: Then the mixed gas goes through electric de-oilier to remove dust and light oil.
The coal gas pressure adder increases the pressure of the coal gas to the desired value and then connects to the transmitting coal gas pipelines which take the gas to the equipment.

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Electrically Calcined Anthracite Coal
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