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DZL series water fire tube boiler

DZL series water fire tube boiler uses a lot of new technical craft, spirally corrugated tube, arch tube  plate wing flue, fixtures for self, and supply water injectors. They can not only eliminate thedisadvantages of old DZL series boilers (boilers deformation, crack of tube sheet,tube burst), but also can save energy and be more efficient.

 
This boiler is smaller & more compact. It replaces the light pipe with the threaded smoke pipe . Because the heat transfer of the threaded smoke pipe is 1.7-1.8 times of the light pipe. It reduces the boiler heat surface and the boiler volume. This makes it easier to transport, arrange and install, therefore it reduces the cost.
 

Main Technical Specification of DZL Boiler:

 

Name

Unit

DZL1-0.7-All

DZL2-0.7-All

DZL4-1.25-All

DZL6-1.25-All

DZL10-1.25-All

Steam Volume

t/h (MW)

1

2

4

6

10

Working Pressure

MPa

0.7

0.7

1.25

1.25

1.25

Steam Temperature

°C

170

170

193

193

193

Feed Water Temperature

°C

20

20

20

20

20

Exhaust Gas Temperature

°C

175

224.8

170.9

170

180

Boiler Efficiency

%

84.23

84.02

88.44

90

88

Radiant Heating Surfac

m2

5.2

8.92

15.09

15.7

42.78

Convection Heating Sur

m2

21.5

43.12

87.3

120.3

192.85

Economizer

m2

---------

----------

35.57

61.04

219

Gate Effective Area

m2

2.04

3.2

5.4

7.55

12.78

Furnace Effective Volume

m3

3.34

4.94

7.8

14

18

Fuel

 

Coal

Coal

Coal

Coal

Coal

Fuel Consumption

Kg/h

131

270

541

791

1192

Burning Method

 

Layer by layer

Layer by layer

Layer by layer

Layer by layer

Layer by layer

Boiler Weight

t

16.7

17.5

29.1

47.7

54.9

Installing Size

(Lenght× Width× Height)

m ×m×m

4.70×2.20×2.96

5.41×2.20×3.17

6.34×2.43×3.54

7.19×2.88×3.58

9.30×3.22×3.65

Installing Size

(Lenght× Width× Height)

m ×m×m

5.70×3.87×3.26

5.70×3.87×3.26

6.34×4.35×3.76

8.29×3.99×5.95

11.8×5.43×4.65

 

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