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Help Center1500kg 1.5ton 100hp Wood Dust/Chips Biomass Pellet Fired Industrial Steam Boiler For Greenhouse
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1500kg 1.5ton 100hp wood dust/chips biomass pellet fired industrial steam boiler for greenhouse
Model:DZH Type Moving Grate Stoker steam Boiler
Structure:WaterTube Fire Tube Three Pass
Rated Steam Capacity:1-20 ton/hr
Rated Steam Pressure:0.7/1.0/1.25/1.6/2.5 Mpa
Rated Steam Temperature:170/184/194/204/225 C
Application:Textile Mill,Food and Beverage,Chemical,Medicine,Light Industry,Rubber,Printing and Dyeing Plant,Paper Mill,Wood Processing,Garment and Laundry etc.
Boiler Description
DZH type active grate biomass steam boiler has a wide range of fuel sources. It is a renewable green energy source. It contains almost no sulfur and less ash. Its growth process can absorb all the CO2 generated by the combustion process and achieve zero CO2 emission. Biomass energy will gradually replace coal and become one of the main energy sources. Biomass fuels include straw, wood shoots, bamboo wood processing waste, grain shell skin, fruit shells, sugar residue, oil residue, and so on.Compared with coal-fired boilers, biomass fuels are less expensive and significantly reduce operating costs.
Boiler specification sheet
Boiler Model | DZH1-1.25 | DZH2-1.25 | DZH4-1.25 |
Steam output (t/h) | 1.0 | 2.0 | 2.0 |
working pressure (Mpa) | 1.25 | 1.25 | 1.6 |
steam temperature (℃) | 193 | 193 | 204 |
Feed water temperature (℃) | 20 | 20 | 20 |
heat exchange area (㎡) | 25.7 | 8.409 | 8.44 |
Available fuel | BMF | ||
design thermal efficiency | 78.59 % | 74.88% | 79% |
exhaust smoke temperature (℃) | 151.9 | 168.7 | 151.4 |
Transport size (L*W*H) | 5.1 x 2.25 x 3.05m | 5.05 x 2.5 x 3.2m | 5.5 x 2.8 x 3.4 m |
1. The biomass steam boiler is the horizontal quick-loading boiler with natural circulation of working medium.
The boiler heat exchange system is composed of a boiler barrel, a set box and a water cooling wall. The main heating surface is composed of a furnace water cooling wall, part of the boiler barrel and a convection tube bundle inside the boiler barrel.
2. Advanced design performance:
The main heating surface tube of the boiler is made of seamless steel tube of no. 20 low and medium pressure boiler, and the boiler barrel is made of special steel plate for the boiler.The left and right containers are made of seamless steel tubes.
3. The boiler arch is made of fire-resistant concrete.The rear arch is low and long, so it burns well. The wings of the flue and the side wall tiles are made of refractory sintered bricks.Boiler front wall and back wall adopt universal firebrick.
4. Reasonable exhaust ventilation, large combustion chamber and strong applicability of coal.Suitable for all kinds of bituminous coal or anthracite, mixed coal.Well burned.Because the high-temperature flue gas first enters the settlement chamber, and then from both sides enters the two wings of the flue and the front smoke box, so the effect of smoke removal and dust removal is good.
5. Simple water circulation, reasonable structure of pressurized parts, and safe operation under the condition of ensuring water quality.
Application for biomass steam boiler
wood fired steam boiler is suitable for painting room, drying box, drying tower painting line and other purposes.It is especially suitable for central heating in urban residential areas, industrial production, enterprises and institutions, schools, hotels, bath centers and other places where heating, hot water and steam are needed.
Automatic control and fault protection of steam boiler
Boiler steam pressure automatic regulation system: boiler steam pressure automatic regulation system control system into the working state, in meeting the necessary conditions for combustion: when the steam pressure in the boiler is higher than or equal to the set pressure limit, the control system output stop signal.Until the induced draft fan is stopped.
Feed water automatic control: when the system is on duty and working normally, start the feed water pump, the water pump works, the water level differential pressure transmitter detects the water level signal, and keeps the water level of the pot stable.Ensure the quality of steam.The water level regulating instrument shows the boiler water level.
Manual control: The water pump can also be manually controlled by touching the key on the control panel.
Fault alarm and protection
The control system can monitor the current working conditions of the steam boiler in real time and carry out real-time and comprehensive intelligent fault identification and treatment.The control system can diagnose and deal with the following faults in real time:
Extremely high steam pressure protection: When the steam in the pot is overpressured, the control system will immediately enter the chain, and sound and light alarm will be given, and the screen will display "extremely high steam pressure".After the fault is eliminated, press the reset button to break the chain.
Protection of water shortage in boiler: in case of extremely low water level failure due to pump failure or other reasons, the control system will immediately shut down the power supply of induced draft fan, enter the chain, and alarm with sound and light, and the screen will show extremely low water level.After the fault is eliminated, press the reset button to break the chain.
Ultra high boiler water level: when the water level in the pot is higher than the upper warning level, sound and light alarm will be given.Prompt "ultra high limit of water level in the pot", the display screen prompt drainage.Automatic recovery after the fault is eliminated, stop the pump without stopping the furnace.
Water pump motor overload: heat relay action when water pump motor overflows, cut off the power supply of water pump motor and stop water pump, realized by hardware.
Power failure: In case of power failure, the control system will immediately shut down the power supply of all equipment in the cabinet.When the power is restored, the cabinet will be in the off-duty state automatically. It is necessary to restart the machine and start the equipment to ensure the safety of the equipment.
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