Dual Fuel System Dual Fuel Solutions for Power

Dual Fuel System Dual Fuel Solutions for Power Generation and Transportation March 2017 Author: Rajesh Rathi Gas. Tech A Division of NEXT

This Presentation Gas. Tech Profiles Gas. Tech Introduces Duel Fueling Elaborates Technology Showcases Installations Concludes Value proposition Enlists Next steps NEXT

Introducing Gas. Tech NEXT

Introduction Gas. Tech Is a Division of Control Infotech Pvt. Ltd. NEXT

Introduction Gas. Tech is a green energy startup promoting the use of Natural gas for Internal Combustion (IC) Engines. Gas. Tech has special expertise in the Duel Fuel (Diesel + Gas) Solutions for Power generation and Transportation for mixer technology Gas. Tech will develop dual fuel solutions for higher efficiency Common Rail Direct Injection (CRDI) technology. Gas. Tech is headquartered in Bangalore. The research wing of the company will be incubated in close collaboration with National Center for Combustion Research and Development (NCCRD) at IIT Madras NEXT

Dual Fuelling In simple terms Dual Fuel is simultaneous combustion of two fuels; methane based gaseous fuel is utilized in conjunction with diesel fuel to operate the engine. Gas. Tech Methane based Gaseous Fuel + After conversion, the engine is able to operate on either 100% diesel fuel, or alternately, on a mixture of diesel fuel and methane based fuels. At no time is the engine able to operate on gaseous fuels exclusively. Diesel NEXT

Dual Fuelling During Dual Fuel operation, a reduced quantity of diesel fuel acts as the ignition source for the air-gas mixture. Dual Fuel System replaces diesel fuel with equivalent heat energy of the methane based fuels Fuel cost savings vary according to the respective cost of each of the fuels. If there is a major cost differential between the cost of diesel fuel and of methane based fuels, for equivalent energy value, significant fuel cost savings would result. Gas. Tech Dual Fuel solutions are available for diesel engines, in constant speed application (equipped with ISOCHRONOUS DIESEL GOVERNOR), of rating 50 KVA upwards NEXT

System Advantages Gas. Tech No loss of power Existing assets can be used for generating power economically Low Capital cost Low cost of generation by usage of cleaner and cheaper fuel Rapid paybacks Few moving components and hence low maintenance cost Use of cleaner fuel – improves emissions. NEXT

Gas. Tech Compatible Fuel Gases Methane Based fuels PNG CBM Pipeline Natural Gas Coal-bed Methane WHG CNG LNG Bio-G Well-head Gas Bio-Gas Compressed Natural Gas Liquefied Natural Gas NEXT

Compatible Fuel Gases PNG Gas. Tech CNG Gas quality and composition are critical factors for Dual Fuel operation. PNG (Piped Natural Gas); CNG (Compressed Natural Gas); LNG (Liquefied natural gas); CBM (Coal Bed Methane) have a high concentration of methane and calorific value close to Diesel; resulting in optimization of substitution. For lower quality gasses substitution rates are lower. LNG CBM NEXT

Compatible Fuel Gases Gas. Tech The Gas quality required is of Fuel Grade. Sufficient filtering means must be installed to ensure particulate and liquid contents are kept to a level approximating fuel grade standards. It is also important to determine the caustic compounds, if any, present in the fuel which may potentially cause harm to the engine and/or gas components of the System. The bio-gas fuels derived from landfills, waste treatment facilities, etc. , may have high levels of caustic compounds such as sulfur (H 2 S), which when combined with small amounts of water can form damaging acids. These gasses need to be scrubbed to make them fuel grade. NEXT

Comparison Gas. Tech Diesel – GAS – Dual Fuel • • • Low CAPEX Only Diesel Fast response Higher Emissions High Power Density • High CAPEX • Only Gas • Operation in Narrow Window • Higher O&M costs • Lower Power Density • • • Add. CAPEX with fast payback “Fuel flexibility” Diesel like engine response Reduced Emissions Reduced O&M costs Smaller physical “footprint” vis-à-vis output NEXT

Duel Fuel Technology Gas. Tech NEXT

Duel Fuel Technology Gas. Tech NEXT

Duel Fuel Technology Gas. Tech The gas used for Dual Fuelling is sourced from either piped gas or from local storage. It is injected into the combustion air stream via a Gas Train consisting of a gas filter, a gas pressure regulator and a solenoid valve. A throttle valve at the end controls the proportion of the gas injected. The gas train is designed to accept input gas at low pressure and deliver it to the engine at a slightly negative pressure. Dual Fuel System delivers fuel gas to the combustion cylinders via the Gas Train into a special Air-Gas Mixer. The mixer is installed on the engine air inlet before the Turbo charger. Combustion is commenced by Diesel as the ignition source and followed by ignition of the Gas. NEXT

Duel Fuel System Components Gas. Tech Air Gas Mixer (AGM): • • Ensure total mixing of Gas into Air Located between the Air Filter and the Turbocharger Salient features: • • • Regulated ingress of Gas for different loads Cost effective and maintenance free, No moving parts. Very low pressure drop Applicable for wide range of gasses: Natural Gas, Landfill Gas, Bio Gas Available in: 50, 100, 140, 200 and 300 mm NEXT

Duel Fuel System Components Gas. Tech GAS TRAIN: Condition and control the gas supply to the Air Gas Mixer - Receives fuel grade gas at a low constant pressure and supplies to the Air Gas Mixer at atmospheric / slightly negative pressure. The Gas train components are: Gas Filter DMV Double Zero Pressure Regulator Solenoid Valve Main Adjustment Screw NEXT

Duel Fuel System Components Gas. Tech Gas Filter The filter is designed for installation in interior gas lines and compressed air lines to protect downstream fittings. Filter element is made of random laid non -woven polypropylene fabric and metal support frame with pore width of ≤ 50 μm. Dust, chips and rust as well as other physical gas-accompanying materials and fouling are retained using the random laid non-woven fabric. If the dust storage capacity is exceeded or if there is an excessive pressure difference, the filter loses its protective function. NEXT

Duel Fuel System Components Gas. Tech DMV Double Solenoid Valve It is a two single-stage solenoid valves normally closed, slow opening – to maintain engine stability and fast closing – to safeguard the engine. Opening time setting with fast stroke section at valve 2. Manual limitation of flowing gas volume by main volume setting at valve V 1. The valve is supplied 24 volts DC from the Control Panel. The control panel operates the valve within the set engine parameters. The valve is closed instantly if any of the control or safety parameters is breached. The Solenoid valve is suitable for gases of families 1, 2, 3 and other neutral gaseous media. Does not contain any nonferrous metals, suitable for gases of up to max. 0. 1 vol. % H 2 S, dry. NEXT

Duel Fuel System Components Gas. Tech Zero Pressure Regulator The regulator operates according to the differential pressure between the inlet and outlet ports in order to maintain the set delivery pressure. It detects changes in engine vacuum, as engine load increases or decreases and adjusts gas flow rate in order to maintain the set outlet pressure. The regulator supplies gas to the engine at approximately atmospheric pressure. The Zero pressure regulator is suitable for gases of families 1, 2, 3 and other neutral gaseous media. Does not contain any non-ferrous metals, suitable for gases of up to max. 0. 1 vol. % H 2 S, dry. NEXT

Duel Fuel System Components Gas. Tech Main Adjustment Screw The Screw valve is utilized to optimize the gas flow while commissioning. NEXT

Duel Fuel Control System Gas. Tech Control Panel The system is supplied with appropriate Transducers; Sensors; Thermocouples and wiring harness. The Dual fuel operations are enabled in closed loop environment to ensure engine safety. The Control panel is programmable to set operating limits for the safety - Exhaust Gas Temperature; Engine Vibration and control parameter - Manifold Air Pressure. It continuously monitors these to operate the engine in controlled environment, while in the Dual fuel mode. The Panel opens the solenoid valve when all the parameters are within the set limits and closes it when they are not. The additional programmable and monitored safety parameters are Air Filter restriction; Gas Supply pressure; Manifold Air Temperature and Regulator Output Pressure. The level of control and monitoring varies with engine size and Methane based fuel being used; the panel is suitably sized for these applications. NEXT

Duel Fuel – FAQ’s Gas. Tech Engine Durability: Because natural gas burns with virtually no large particulate residues (unlike diesel which produces carbon particles during combustion), cylinder liner and ring wear are reduced and lubricating oil is kept cleaner during dual fuel operation. This leads to longer average intervals between engine overhauls. In addition, the clean burn characteristics of natural gas decrease engine wet-stacking at lighter loads and prevent the build-up heavy carbon deposits in the combustion chamber and exhaust system. Engine Emissions: Dual fuel operation will typically reduce production of nitrogen oxides, Sulphur oxides, reactive hydrocarbons, Carbon dioxide and particulates. The exhaust opacity levels are reduced. Engine Operating Temperatures: Engine heat rejection rates while operating in dual fuel mode are largely similar to 100% diesel performance. The engine exhaust gas temperature, coolant temperature, oil temperature and intake air temperature levels remain within the limits set by the engine manufacturer. NEXT

Installations Gas. Tech NEXT

Gas. Tech Duel Fuel Installations Industry State Engine Make CAT TEA Assam Cummins Greaves MWM Rating KVA Series No. of Kits 275 320 380 160 240 320 380 500 285 / 245 320 500 Series A-B 24 Series I-A 15 Series II-B 26 Series I-A 15 Series I-B 25 1 1 2 1 2 3 4 1 4 NEXT

Duel Fuel Installations Industry State Engine Make CAT • Ceramics • Chemicals • Engineering • FMGC • Pharma • Textile Cummins Gujarat / NCR Greaves MWM Volvo Penta Kirloskar Rating KVA 380 1500 180/125 250 500 625 1000 1250 500 500 Gas. Tech Series I-A 15 No. of Kits 3 2 6 1 4 3 2 2 2 NEXT

Duel Fuel Installations Industry OIL & GAS State Engine Make Cambay Basin; Cummins Jharkhand; NCR; Rajasthan; West Bengal Detroit Andhra Pradesh STP (Bio Gas application) UP Punjab Mahindra Cummins Gas. Tech Rating KVA Series No. of Kits 125 1 140 1 200 1 380 Series A-A 15 1 62. 5 2 82. 5 1 380 4 425 2 Total 68 NEXT

Photo Gallery Gas. Tech NEXT

Installation Gas. Tech Engine Make and Model: Mahindra 41225 GC – 82. 5 KVA NEXT

Installation Gas. Tech Engine Make and Model: CATERPILLAR 3406 – 320 KVA NEXT

Installation Gas. Tech Engine Make and Model: Greaves TBD 4 V 12– 500 KVA NEXT

Installation Gas. Tech Engine Make and Model: Greaves TBD 4 I V 12– 500 KVA NEXT

Installation Gas. Tech Engine Make and Model: CAT 3516 – 1500 KVA NEXT

Value Proposition Gas. Tech NEXT

Value Proposition Gas. Tech Long years of experience in quality manufacturing of diverse kind of panels Electrical and Automation End-to-end logistical management Mature commercial processes and tax treatments Good experience in Packing and shipping Good record on after market services Flexibility on space and manpower to serve peak demands Mature operational leadership NEXT

Exclusions Gas. Tech We do not undertake engine overhauling We do not undertake any civil works We facilitate but do not arrange gas connections We do not undertake pollution certification NEXT

Action Points Gas. Tech Discuss engagement model and timelines Complete vendor evaluation criteria Receive your RFQ and Scope of work Costing and offer submission Business Conclusion NEXT

Thank You Gas. Tech