DZL boiler adopting threaded fire tubes, single water drum, horizontal shell type boiler with 3 fire-passes structure, water-tube fire-tube mix design. The combustion traveling chain grate can feed the fuels automatically, with different rolling speed can adapt different fuels’ burning speed. Also, the small flakes chain grate can reduce fuel leakage, and also let the broken chain grate flakes is convenience of replace.
DZH series is equipped with automatic water-level control, automatic pressure control, automatic interlock chain stop protection, free settable working pressure, visible system’s working states on screen.
Better fuel adaptability
Comparing with DZL boiler, DZH boiler has better adaptability on fuels, it can fire coal, rice husk, nut shell, sawdust, waste wood pieces, also can fire wood logs, straws. But, DZH boiler can only support manual fuel feeding, and manual ash remove.
High quality control
In manufacturing processes, we has adopting steel strength test, automatic steel cutting/ plate rolling/ welding, 100% x-ray welding check, magnetic particle check c-scan ultrasonography check, fluorescent penetrating check, hydraulic (water) pressure test, boiler thermal efficiency test,etc, to make sure all finished products is qualified.
DZH boiler adopting threaded fire tubes, single water drum, horizontal shell type boiler with 3 fire-passes structure, water-tube fire-tube mix design. Most important, the combustion fixed chain grate can also suit any kind of biomass. The small flakes chain grate can reduce fuel leakage, and also let the broken chain grate flakes is convenience of replace.
DZH coal/ biomass fired fixed chain grate boiler realizes zero pollution with the use of special dust collector solution (water film dust collector, bag type static electricity dust collector, double towers desulfurization, etc.). Because its steady performance and low fuel consumption, make it is popular in market.
DZL 4200kw biomass hot water boiler 4200kw, widely used for central heating, water heating system in wood drying, heating & drying in wood pellets productions line.
1.Smoke and dust separator chamber
Separate smoke and dust according to inertia,reduce the original effluent concentration of soot.
2.Optimized design CAD
Choose the best furnace from dozens of options,improve economical efficiency.
3.Convex tube plate
improve tube plate flexibility, so as to reduce the heating stress of welded sew at the pipe end.
Prevent tube plate cracking, cancel bracing,simplify the structure.
4.Large size of simple circulation loop drop pipe and lower set box
Increase the flow rate of water on water cooling wall in order to prevent subcooled boiling. To prevent pipe explosion,Increase the reliability of water cycle
Cancel the steel frame, save steel material.
6.New pattern of furnace arch
Strengthen the combustion ,strong adaptability of coal quality,improve combustion efficiency.
Boiler design advantages
1. Adopting automatic screw feeding, with reasonable second air technology and half gasification structure
helping fuel combust completely, the thermal efficiency can reach more than 90%. Stable flame, producing
2. Primordial dust emissions density is low:The volume of the coal biomass-fired steam boiler is large and there is a dust
separation device, so the primordial dust emissions density will be controlled much lower than the standard allowed.
3. Control system: Installing microcomputer to operate with one-button, people just set the process, and it can
work automatically during the operating time. Once any abnormal situation to happen, stopping automatically
with sound-light alarm, and pointing to the failure code, so it saves time to maintain.
4. Our protected device is safe and reliable. Selecting superior pressure controller, safety valve, low water alarm,
overpressure alarm, over-temperature alarm, in order to make boilers operate safely.
5. Heating fast:There are many spiral gas tubes in the boiler and almost half of the coal fired steam boiler shell
can be heated, so the temperature can up soon.
6. It is simple to clean slag only after burning completing.
Automatic biomass bruner boiler, fire tube biomass boiler.
700kw biomass sawdust burner boiler, high efficiency hot water boiler for wood kiln drying.
Biomass burning hot air stove, high temperature air generating, use for heating, drying.
Industrial biomass hot air generator furnace, use for drying clay.
8Ton biomass fired boiler, the complete system including boiler and burner, biomass burner inner use step grate combustion design, boiler is double drums water tube boiler.
SZS 8ton water tube furnace boiler, with biomass burner. Industrial fire tube biomass fuel fired boiler, automatic type biomass burner boiler.
China biomass burner, mostly used for biomass boiler.
Biomass burner & fire tube boiler is popular model boiler, boiler burning biomass can convert to gas/oil burning (only replace the burner).
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YLW thermal oil heater is square coil horizontal chain grate shop-assembled heater, chain grate and heater proper are transferred separately. It adapts chain grate to realize mechanical feeding coal, mechanical venting by blower and induced draft fan, and mechanical discharging by slag machine.
Fuel falls on the grate from coal bucket during operating and burning, high temperature smoke enters furnace by passing combustion arch, after radiation heat exchange, smoke enters convection heating surface for convection heat exchange, then goes to waste heat boiler and air heater, at last enters dust collector then is vented into the atmosphere through chimney by induced draft fan.
Thermal oil boiler(also called organic heat carrier furnaces) generally use coal, oil, and gas as fuels, take heat-conducting oils as the medium, force liquid to circulate in the liquid medium by using oil circulation pump, transferring heat energy to the heating equipment, then heat-conducting oil return to furnace and reheating.Boiler can reach high temperature at low pressure,control medium operating in high-precision.