DZH Coal fired steam boiler
Introduction
Model specification and Configuration Illustration
Fuel choice instruction:design different arch according to different coal form for satisfication burn requirement
The instruction of dust collector's configuration:choose different dust collector according to different environmental protection regulation
The instruction of steam distributor's configuration:configurate the number of tube socket of output and input according to the workshop's requirement
The instruction of water treatment device's configuration:configurate water treatment equipment according to the hardness of water
DZH Coal fired steam boiler
DZH Coal fired steam boiler
DZH Coal fired steam boiler
Unique Orientation
Your first choice of sup-high cost performance boiler
The new DZH water-fire tube boiler is an eco-friendly and energy-saving product. After 30 years' Research and experiment by professor Li Zhiguang- a famous boiler expert, professor of Harbin Institute of Technology and director of Beijing Institute of Light Boiler. It is a water- fire tube shell boiler, vertical furnace, two-wing flue, and the design of three-pass spirally corrugated tube. Using the unique spirally corrugated tube technology to transfer the heat efficiently. With compact structure, scientific construction technology, precise manufacture, high technical maturity and stable operation, it is well recognized by users after more than 20 years' market experience.
Presentation of boiler body detail
Arched tube plate
Spirally corrugated tube
Presentation of boiler grate detail
Double or many furnace doors
Removable handle
Removable fired grate bars
Features
Unique manufacturing technique and complete inspection process
1. High temperature annealing treatment of Arched tube plate
2. Fully automated tube sheet welding
3. 1.4 times' hydro test
4. All-around crack detection
5. 20 years' Optimized installation technique
6. 24 hours operation debugging of grate
7. 60 lines inspection before delivery
8. Fully automated processing of spirally corrugated tube
9. Fully automated Precise technique of blanking
10. Experienced welding construction team
Technology
Unique Technical Expression
1. Spirally corrugated tube
2. Two-wing Flue
3. Arched tube plate
4. Large-sized down pipe
5. Independent self support
6. New arch
7. Smoke separation room
8. Grate type Steam and water separation device
9. Front and rear furnace door for watching fire
10. Customized furnace arch
11. oversized space in the furnace
Grate technology features
1.Removable fired grate bars
2.Block porous grate bars
3.Multiple duct distribute wind design
4.Overall pouring spillplate
5.New casting material for furnace arch
6.Integrated delivery
7.Two or more furnace doors
8.Less mechanic dependency for equipment operation
The Machine's Technical Features
1.Removable fired grate bars
2.The boiler is packaged well before leaving factory
3.Economizer configuration
4.Double safety valve configuration
5.Double water gauge configuration
6.Double pressure gauge configuration
7.Double providing water pump configuration
8.Interlock control
9.Simple foundation construction
10.Auxiliaries modularity design
Configuration Instructions
Instruction of the boiler's configuration:
Boiler Main Body
Boiler Main Body
Induced Fan
Induced Fan
Forced Fan
Forced Fan
Valves
Valves
Control Box
Control Box
Valves and Gauges
Valves and Gauges
Instruction of system configuration:
Ceramic Multi-tube Dust Collector
Ceramic Multi-tube Dust Collector
Composite Granite Water Film Dust Collector
Composite Granite Water Film Dust Collector
Chimney
Chimney
Economizer
Economizer
Smoke Ducting
Smoke Ducting
Softened  Water Device
Softened Water Device
Steam Distributor
Steam Distributor
Supply Water Pump
Supply Water Pump
Process of smoke flow:
Forced fan-grate-furnace-the two wings flue-front smoke box-smoke pipe-back smoke box-Economizer-Ceramic multi-tube dust collector-Composite granite water film dust collector -Induced fan - chimney
Waterway Process:
Tap water-Softened water tank-supply water pump-boiler-steam distributor-workshop instruction picture
Parameters
Model DZH1-1.0-AII DZH2-1.25-AII DZH4-1.25-AII DZH4-1.6-AII
Rated Evaporation Capacity(t/h) 1 2 4 4
Rated Working Pressure(MPa) 1.00  1.25 1.25 1.6
Feed Water Temperature(℃) 20 20 20 20
Saturated Steam Temperature(℃) 184 194 194 204
Boiler Water Capacity(m3) 3.15 4.75 7.7 7.7
Flue Gas Temperature(℃) 137.4 123 143 149
Theoretical Fuel Consumption(t/h) 0.19 0.373 0.76 0.766
Heating Surface(m2) 28.3 53.04 101.01 101.01
Economizer heating surface(m2) 10.56 31.68 43.2 43.2
Grate Effective heating surface 1.3 2.55 4.72 4.72
Maximum shipping demension(mm) 4320x1940x2685 4880x2350x3177 5650x2550x3434 5650x2550x3434
Maximum shipping weight(T) 8.6 15 18.5 19.2
Packaging and Shipping
The boiler is packaged before leaving factory within1-20t/h
Our Services
Promises
1.Italian technology,over ten thousands users,its life is up to 20 years
2.Pricise work, mature technology, cost-effective choice
3.We not only provide devices,but also technology and service
4.We are a company with technology and soul,Good reputation is our secret weapon.
5.Our existence is to make our customer satisfied .
Policy instruction
One set of free spare parts will be shipped to you if ordered before April 1.
 
Risk Deflection and After Sale
1 year guarantee,free maintenance within 1 year if there is quality problem.
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