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DZH Coal Fired Moving Grate Boiler
Introduction

DZH series moving grate coal steam boiler, also called manual type coal steam boiler, which needs labour to feed fuel and remove the dregs. It has fire tube and water tube structure, suitable for small capacity less than 6tons/h. 

Fuels: Lignite, Bituminous Coal, Lean Coal, Anthracite, Solid Material.

Applications: Foods, Garment, Textile, Paper, Brewery, Ricemill, Printing & Dyeing, Poultry feed, Sugar, Packaging, Plywood, Building material, Chemical, etc.



Structure

DZH biomass fired boiler structure

Boiler System

DZH coal fired boiler system

Auxiliary

Whole DZH biomass boiler system includes grate, boiler body, economizer, dust collector, flue, air duct, induced draft fan, blower, slag remover, loading machine, water pump, deaerator, etc.

Accessories of dzh coal boiler

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.


Parameters

DZH Coal Fired Steam Boiler:

Model

Rated Steam Capacity (t/h)

Rated Steam Pressure (MPa)

Rated Steam Temperature ()

Rated Feed-water Temperature ()

Fuel Consumption(kg/h)

Overall Dimension  L*W*Hmm

Thermal Efficiency (%)

DZH 0.5-0.7/1.0-AII

0.5

0.7/1.0

170/184

20

76

3228×2000×2656

80

DZH 1-0.7/1.0/1.25- AII

1

0.7/1.0/1.25

170/184/194

20

150

4108×2200×2915

DZH 2-0.7/1.0/1.25- AII

2

0.7/1.0/1.25

170/184/194/204

20

301

4700×2300×3270

DZH 4-1.25/1.6- AII

4

1.25/1.6

194/204

20

602

5600×2550×3563

                         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.


DZH Coal Fired Hot Water Boiler:

Model

Rated power (MW)

Rated

Supply water

Return water

Size (mm)

Weight (t)

pressure(Mpa)

temperature()

temperature()

DZH0.35-0.7/95/70

0.35

0.7

95

70

3200x2000x2600

8

DZH0.7-0.7/95/70

0.7

0.7/1.0

95

70

4100x2200x2900

12

DZH0.7-1.0/95/70

DZH1.4-0.7/95/70

1.4

0.7/1.0

95

70

4700x2300x3200

15

DZH1.4-1.0/95/70

DZH2.8-0.7/95/70

2.8

0.7/1.0

95

70

5600x2500x3500

22

DZH2.8-1.0/95/70

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.

 






Case
6T Coal Fired Boiler for Uzbekistan Railways
6T Coal Fired Boiler for Uzbekistan Railways
ModelChain grate boiler
ApplicationRailways
Capacity6 ton
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