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Biomass Log Fired Moving Grate Steam Boiler

Rated Capacity : 0.5t/h~4t/h
Pressure : 0.7~1.6MPa
Application :  wood factory, farm, textile plant, rice mill, garment factory, etc.
Certificate : ISO9001, CE, BV, SGS, ASME
Fuel : coal, biomass fuel, wood chips, straw, bagasse, rice husk, etc.
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Product Description
Introduction
Biomass log fired moving grate steam boiler is single drum water tube and fire tube boiler. 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. This biomass log boiler uses the upper drum, water wall tube and head are in symmetrical arrangement mode. The drum is welded assembly by cylinder and front back tube plate. This furnace structure in reasonable arrangement and high efficiency.

This biomass log fired moving grate steam boiler uses the new scientific achievement, such as arch tube plate, screw fire tube to solve the problem of tube plate flaw, water wall tube explosion, low efficiency, insufficient output, poor adaptability of different biomass fuel, improve the heat transfer.


Available Fuel 
 
The biomass log fired moving grate boiler is wide adoptability of different fuels, it could burn different biomass fuels, including log (long wood less than 2m could burn without broken), bagasse, staw, waste cloth, rice husk, etc. To avoid coking and improve combustion efficiency, adopts unique double secondary air design, to improve conditions of biomass fuel. 
Advantage

1. Boiler Customization

Zhongding Boiler owns a mature R&D and design team, and cooperates with multiple scientific research institutions for a long time, i.e. Tsinghua University and Xi’an Jiaotong University. Zhongding Boiler could customize the boiler based on the requirement of customers, water quality and fuel characteristics, to meet the operating requirement and maximum the boilers’ effectiveness.
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1) Grate  ----  Based on the fuel characteristics (size, humidity, and volatility, etc.), equipped with different grate, such as fixed grate, chain grate, and moving grate, etc. The chain grate could divided into small flaker grate, chain belt grate, bar grate. 
2) Air Pre-heater  ----  For the fuel with high humility, could equipped with air preheater, uses the waste heat of flue gas to heat the air, and improve the combustion condition, decrease heat loss form incomplete combustion heat loss.
3) Water Treatment Equipment  ----  Based on the water quality, could equipped with different water treatment equipment, generally, there are soften water treatment and reverse osmosis water treatment equipment.
4) Secondary Air Device  ----  Based on the fuel characteristics, could equipped secondary air device, to decrease the heat loss of incomplete combustion, improve boiler thermal efficiency.
5) Electric Control Cabinet  ----  Customers could choose PLC or touch screen control cabinet, also, the brand of electric elements could be designated.
6) Variable Frequency Motor  ---- The boiler could adopt variable frequency water supply pump, blower fan and induced draft fan, etc., save energy and decrease operation cost.
7) Shell Color  ---- Customer could designate the color of boiler shell, elegant appearance.
 
2. High Quality 

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1) Zhongding Boiler owns a professional design engineer team, before manufacturing, every boiler design drawing will be approved by boiler and pressure vessel experts of CSBTS ( State Bureau of Quality Technical Supervision ), and then the boiler could be produced only if qualified.
2) To ensure the raw materials quality, all the steel plates are special-used for boiler with the Inspection Certificates. The raw material materials are inspected when entering factory, and only the qualified material could be put in storage and used for production.
3) To ensure the welding quality, there a professional welding team, including more than 30 senior welders. The welding materials are stored under constant temperature and humidity, to ensure the welding material quality.
4) Nondestructive testing will be done to ensure the welding quality, by using x-ray detection, ultrasonic flaw detection, magnetic test, or penetration test, etc.
5) Hydrostatic test will be done to ensure the leakproofness and strength of boiler pressure parts, generally, the testing pressure is 12.5 times of rated working pressure.
6) All the raw materials and boilers are supervised and inspected by the experts of Inspection Institution for Boiler and Pressure Vessel. There are international quality certificates of ISO 9001 and CE, we can also offer the inspection report of SGS, BV, etc., Quality Certificates, Energy audit report, and Energy Efficiency Test Report, etc.

3. Advanced Technology and Structure

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4. Professional Installation and After-sale Team

1) Professional engineer installation team offer the door to door installation and after sale service. The boilers will operate smoothly and safety, and you will get them without worries.
2) 24 hours hot-line to solve your problems, and offer the professional technical supports and after sale service in time to all over the world.
 
5. Convenient Maintenance

1) The chain grate is convenient for maintenance, it could be done without boiler shut down.
2) There are manhole, head hole, and special hand hole on the boiler, convenient for boiler internal installation, inspection and clean.
 
Parameter
Model Rated evaporation
capacity (t/h)
Working pressure
(Mpa)
Thermal Efficiency
(%)
Fuel consumption
(Kg/h)
Overall dimension
L×W×H (mm)
Weight
(t)
DZH0.5-0.7/1.0-T 0.5 0.7/1.0 78 150 3228×2000×2656 8
DZH1-0.7/1.0/1.25-T 1 0.7/1.0/1.25 80 301 4108×2200×2915 12
DZH2-0.7/1.0/1.25/1.6-T 2 0.7/1.0/1.25/1.6 80 602 4700×2300×3270 15
DZH4-1.25/1.6-T 4 1.25/1.6 80 1190 5600×2550×3563 22
Note: 1. Parameter is for reference only, if any changes should follow the factory technical data.
2. Our company can design boiler products based on customers’ requirement and different biomass fuels.


Transaction Process
Customer Inquiry -- Offer Professional Consulting Service -- Place Order -- Customize Boiler Based on Customers’ needs --Production-manufacturing -- Payment -- Impeccable After Sale Service (installation and debugging, periodic maintenance, etc.)

Offered Technical Documents
Installment and Operation Instruction Quality Certificate
Inspection Certificate of Boiler Quality General Drawing of Boiler
Foundation Drawing Boiler Body Drawing
Boiler Room Design Drawing Drawing of Valves, Instruments and Accessories

Company Strength
Zhongding Boiler is the industrial boiler professor of China, it is referred as technical innovated enterprise. The manufacturer base is located in Zhengzhou Airport Economy Zone, and covers an area of 130 thousands m2. The company owns about 800 employees, including 110 technical engineers, and about 700 sets advanced manufacturing equipment. Zhongding Boiler concentrates on the invention of high-tech and energy saving boilers, has owned more than 20 sorts national patent technologies. 

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Inquiry

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