Small Capacity Fixed Grate Wood Logs Fired Boilers for AAC block autoclave line
Brand Name:Jinzhen Boiler
Certification:IS0900
Model Number:DZH2-1.0
Minimum Order Quantity:1
Delivery Time:5-8 working days
Payment Terms:L/C, T/T, Western Union
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Location:
Zhengzhou Henan China
Address:
3C Yuansheng International Building, Zhengzhou City, Henan Province, China
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within 1 hours
Product Details
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Product Details
Small Capacity Fixed Grate Wood Logs Fired Boilers For AAC Block Autoclave Line
DZH type biomass pellet fired steam boiler is a horizontal three-return water-fire tube type boiler. A row of water-cooled wall tubes are arranged on the left and right sides of the furnace, and two sets of tube bundles are arranged in the drum to form two return paths. The boiler has sufficient heating surface and is equipped with a tail heating surface economizer. It is equipped with drums and induced draft fans for mechanical ventilation. Layered combustion.
This biomass steam boiler has high automation level, automatic adjustment of boiler feed water, high and low water level alarm, low water level interlock protection, and interlocking protection of lead and blower. Auxiliary auxiliary equipment is complete.
Structure
Technical features:
(1) The arch tube tube and the threaded tobacco tube are used to form the drum tube, so that the drum tube is changed from the quasi-steel body to the quasi-elastic body structure, the pulling members of the tube plate area are eliminated, and the stress is reduced. The pipe in the tube plate was changed from two return strokes to a single return stroke, which solved the problem of cracks in the tube sheet.
(2) The lower part of the drum is arranged with the rising pipe row, which eliminates the dead water area at the bottom of the drum, so that the sludge is not easy to deposit, and the high temperature zone of the drum can be well cooled, preventing the lower drum of the drum.
(3) The high-efficiency heat transfer thread pipe is used to obtain the effect of enhanced heat transfer, which achieves the characteristics of heating and boosting the boiler, and improves the thermal efficiency of the boiler.
(4), compact structure, compared with the same type of boiler, the external size is small, saving investment in the boiler house infrastructure.
Technical Parameter
| Model Item | DZH0.5-0.7-AII DZH0.5-1.0-AII | DZH1-0.7-AII DZH1-1.0-AII DZH1-1.25-AII | DZH2-0.7-AII DZH2-1.0-AII DZH2-1.25-AII DZH2-1.6-AII | DZH4-1.25-AII DZH4-1.6-AII |
| Rated evaporation capacity (t/h) | 0.5 | 1 | 2 | 4 |
| Working pressure(Mpa) | 0.7/1.0 | 0.7/1.0/1.25 | 0.7/1.0/1.25/1.6 | 1.25/1.6 |
| Rated steam temperature(℃) | 170/184 | 170/184/194 | 170/184/194/204 | 194/204 |
| Feed water temperature(℃) | 20 | 20 | 20 | 20 |
| Effective area of grate(m2) | 1.28 | 2.1 | 3.36 | 5.2 |
| Fuel consumption (Kg/h) | 76 | 150 | 301 | 602 |
| Exhaust flue gas temperature(C) | 165 | 165 | 165 | 165 |
| Thermal Efficiency (%) | 80 | 80 | 80 | 80 |
| Size(m) | 3.2x 2.0x 2.6 | 4.1x 2.2x 2.9 | 4.7x 2.3x 3.2 | 5.6x 2.5x 3.5 |
| Weight (t) | 8 | 12 | 15 | 22 |
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.
Application
DZH series fixed grate biomass steam boiler is widely used in hospitals, schools, textile mills, garment factories, large supermarkets, garment factories, dyeing factory, hotel, dining room, restaurant, food factory, beverage factory, soy products, meat products factory, cannery, brewery, pharmaceutical factory, packaging plant, building materials factory, paint factory, swimming pool and other places of the enterprises and institutions.
Small Capacity Fixed Grate Wood Logs Fired Boilers for AAC block autoclave line
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