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DZH Series Coal Fired Steam Boiler

Rated Capacity : 0.5~4 t/h
Pressure : 0.7~1.6Mpa
Certificate : ISO9001, CE, BV, SGS, ASME
Fuel : II class bituminous coal
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Product Description
Introduction
New type DZH Series coal fired steam boiler is single drum longitudinal type water and fire tube steam boiler,the combustion equipment is moving grate.The boiler mainframe in general configuration adopts the form of drum overhead and bilateral symmetry of water wall tube and header.The drum is installed and welded by boiler barrel and front & back tube plates.It has high burning efficiency due to the spark retaining wall located in the interior of furnace.
This series of boiler adopts latest scientific research achievements,such as arched tube plate, thread smokestacks, etc. It solves the problem of the pot shell type boiler tube plate cracking, pan cone lower speed bulge, water-cooled wall tube explosion, low thermal efficiency, insufficient of power and poor adaptability of coal.

Application
This DZH series coal fired steam boiler is ideal for heating, textile plant, rice mill, garment factory, utility or power plant, hospital, hotel, food & beverage factory, dairy plant, school, chemical industry and more applications.
Advantage
1. It uses arched tube plate and thread smokestacks constituted into the drum, reduces the stress.The fire tube inside of tube plate is single return instead of two-return, solves the problem of tube plate cracking.
2. The ascendable pipes are arranged at the bottom of drum,this makes the sludge deposit uneasy, prevents the drum bottom swelling.
3. It adopts efficient heat transfer threaded pipes, strengthen heat transfer, and then heating-up and pressure boost -up quickly, the thermal efficiency increased.
4. Compact structure, saving the boiler foundation cost.
5. Stable running, easy to adjust, strong steam output.
6. The smoke tube is not easy for ash deposition, due to the smoke can be disturbed and cleaned by itself.
7. Both wing wall and outlet widow inside of the furnace have the function of dust suppression, thus ensuring the soot discharge scratch the index stipulated by the State Environmental Protection.

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
Note:Parameters is for reference only,please be subject to the actual drawing if any change.


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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