Product thermal capacity : 1-20 t/h Working pressure : 0.7-2 Mpa Available fuel : Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc. Available industries : Heat supplying, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc. Introduction:
coal steam genarator is a boiler shell type 3 passes wetback oil/gas fired boiler. After fuel is being atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, this is 1st pass; the high temperature smoke is collected in reversal chamber and then enters 2nd pass which is grooved tubes bundle area; after heat convection, air temperature gradually falls and goes to front smoke box and turn to 3rd pass, which is smooth tubes bundle area, and then enters chimney passing back smoke box and exhausted to the atmosphere.
Technical advantages Digitized manufacture
The key part such as material cutting, rolling, drilling are proceeded by advanced CNC machining process to reduce the assemble stress and extend boiler working lifetime.
The front and back smoke chamber plates are cut by CNC plasma cutting machine and looks tidy and beautiful.
Easy operation and maintenance
Fully automatically operating, with automatically adjustment and protection of burning, water level, temperature and steam pressure.
Longer working life
Smoke tube and tube sheet connection is expanded first to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boilers working life.
Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint will have 100% radiographic inspection.
Fin tube us ND steel or stainless-steel material which avoid low temperature corrosion.
Inspection procedure point is set up to guarantee the sequence of expanding and welding, avoid cracking of the tube sheet holes.
Less fuel consumption
High quality aluminum silicate fiber is used with fire clay insulation, to control the boiler body temperature below 45℃ to control heat lost.
Sufficient steam storage room and heating area makes boiler to generate high quality steam and high thermal power.
Condenser is added to reuse the waste heat of the exhausted smoke to increase feeding water’s temperature and reduce emission temperature, which can increase the thermal efficiency above 98% and save operating cost.
DZL series coal fired steam generator is single drum water tube and fire tube generator, combustion equipment is chain grate. Water wall tubes at left and right sides of furnace are the radiated heating area. the two wings at furnace and screw fire tube in the drum are convection heating area.
Our utility pulverized coal (PC) steam generators have proven themselves with over 15 million hours of operation, up to 1,000 MWe in size and burning a wide range of coals from anthracite to sub-bituminous fuels, petroleum cokes, oils, and gases.
A supercritical steam generator is a type of boiler that operates at supercritical pressure, frequently used in the production of electric power.. In contrast to a subcritical boiler in which bubbles can form, a supercritical steam generator operates at pressures above the critical pressure – 3,200 psi or 22 MPa.
In contrast to a subcritical boiler in which bubbles can form, a supercritical steam generator operates at pressures above the critical pressure – 3,200 psi or 22 MPa.Therefore, liquid water immediately becomes steam.Coal – Wikipedia2019-1-16 · Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called ...
Where can I buy a generator powered by a steam engine that uses coal / wood for fuel to power the boiler? I want to find an alternative energy generator that does not use liquid propane or gas or solar. I want to buy a generator that will run off steam that is generated by a boiler with a firebox that burns wood, coal, etc.
Coal energy electricity works in a similar way to nuclear power and concentrated solar power because coal is a fuel used to heat water into steam to be used in a steam turbine generator. Coal is a fossil fuel, it is found in the ground of the earth and is extracted by mining.
DZL type coal fired steam boiler is a horizontal three return fire tube and water tube type boiler. There are two fire tubes in the boiler barrel , with both sides light pipe water-wall tubes; DZL coal fired boiler is widely used in textile industry, chemical industry, hospital, school.
The steam is used to drive a turbine, which in turn, drives an electrical generator. Low pressure steam leaving the turbine is fed to a cooling system which extracts any residual heat and condenses the steam …Gas vs Coal | Global Greenhouse WarmingGas vs Coal.
In a typical coal-fired power plant, fuel is burned with air in a boiler to produce steam that drives a turbine/generator to produce electricity. TVA – Natural Gas Natural gas serves an increasingly important role in TVA’s mission to provide clean, reliable energy to the people and businesses of the Tennessee Valley.