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DZL Series 1T/h 0.7MPa Coal-Fuel Steam Boiler

Categories Steam Boiler
Place of Origin: Changzhou China
Brand Name: OLYMSPAN
Certification: GB or ASME
Model Number: DZL1-0.7-AII
Fuel: Coal-fired
Output: Steam
Usage: Industrial
Structure: Water Tube
Pressure: Low Pressure
Style: Horizontal
Type: Once Through
MOQ: 1set
Price: $25000/set
Packaging Details: Nude
Delivery Time: 60 work days
Payment Terms: T/T in advance
Supply Ability: 10sets/month
Rated evaporation capacity: 1T/h
Rated steam temperature: 170℃
Feed water temperature: 20℃
Back water temperature: 70℃
Fuel available: Coal AII
Low heating value: 18840KJ/kg
Fuel consumption: 151kg/h
Thermal efficiency: Min78%
Maximum weight of shipping part: 13t
Maximum size of shipping part: 5200mm*2000mm*2900mm
Overall size of installation: 6000mm*3500mm*4100mm
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DZL Series 1T/h 0.7MPa Coal-Fuel Steam Boiler

Product Description:
DZL series is a kind of horizontal three-return fire/water tube chain grate stoker boiler, using middle bituminous coal and anthracite. Boiler proper is Single pot of tube longitudinal layout, and in the drum, it arranges spirally corrugated tube to make up of convective bank. Drum and two-side water cooled wall compose Radiation heating furnace. Combustion equipment adopt light chain stokers, and integral fast loading when leaving factory. The electrical control stoker realize step-less speed regulation, and limit parameter alarm and interlock protection.
Eight Features of DZL series New Type Fire Tube Boiler
1. Strong output and keep steady
As adopting high-efficient heat-transfer spirally corrugated tube, and applying design of heat transfer and flow resistance technology. This kind of boiler actual output is generally more than 10-15% of famous brand output. Because of reasonable choice of geometry size of spirally corrugated tube and smoke speed, in normal condition, spirally corrugated tube can’t deposit ash and wear out. So thermal efficiency and output can’t decrease when operating time extend.
2. Small dimension, and low investment cost of stoke hold
Since adopting spirally corrugated tube, the hot water boiler whose output water temperature less than 130°C and steam boiler whose volume small all can cancel tail heating surface. Besides, in the same boiler types, the height of boiler is lower. So the boiler dimension is the smallest, which makes investment of stokehold decrease 1/3 at least
3. No special protection when power failure happens suddenly
As hot water type adopt combination cycle water volume is big, when power failure happens, you don’t need to take special protection measures to prevent damage accidents which vaporize between heating surface and medium of boiler.
4. High net efficiency
As main convection bank spirally corrugated tube is in boiler shell, it won’t leak cold air to smoke. In addition, canceling tail heating surface make amounts of leakage of cold air less and reduce heat loss. Secondly, as hot water type adopt combination cycle and cancel economize, water resistance loss of boiler proper is less than 0.05Mpa. These make Cycle energy consumption decrease greatly, and its descending is more than the added value of smoke resistance losses of spirally corrugated tube. So its net efficiency is the highest in all kinds of boilers.
5. Fasting Heating
As large amounts of spirally corrugated tubes are in boiler medium, and half of outside surface of the boilers are heated, those cause heating-up time is faster than other boilers
6. Low original discharged dust consistence
Because of big furnace volume, we set new type arch, and at the back of furnace, we set up dust separation turned room to ensure original discharged dust consistence is lower than national smoke emission standard.
7. Short installation time, low cost
As it adopts assembling and semi assembling, its installation period and cost reduce will be 1/3 of that of other boilers.
8. Strong adaptability of water quality
As choosing new rising tube structure, it raise rising water cycle flow rate, force disturbance of the drum at the bottom of the water, and avoid Sedimentary sundry and deposition. Comparing to other boilers, adaptability of water quality is strong.
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