20ton Fine Workmanship and Energy-efficient Coal Fire Steam Generator

boiler

model items

DZL 1-0.7-All

DZL 1-1.0-All

DZL 2-0.7-All

DZL 2-1.0-All

DZL 4-1.0-All

DZL 4-1.25-All

rated steam capacity t/h

1

2

4

rated output water pressure Mpa

0.7/1.0

0.7/1.0

1.0/1.25

steam temperature℃

Saturated(170.4/183)

Saturated(170.4/183)

Saturated(1834/193.3)

combustion method

Chain-grate firing

Chain-grate firing

Chain-grate firing

applicable coal

All,Alll

All,Alll

All,Alll

effective area of grate

1.736

3.72

5.2

the coal consumption at full load operation(kg/h)

150/172

328/331

648/650

the boby heating surface

20.74

40.37

90.54

exit gas temperature ℃

163

163

163

the mist and discharges the density(mg/N m3)

<80

<80

<80

smoke blackness(ringelmann lecel)

<1 level

<1

Level

thermal efficiency %

74.41

77.18

76.68

dimensions of biggest part for transportation

(lengthxwidthxheighth)mm

4797x1900x3065

5550x2271x3588

7025x2610x4493

weight of biggest part for transportation t

20/21

27/28

30/31

boiler

model items

DZL 0.7-0.7/95/70-All

DZL1.4-0.7/95/70-All

DZL 2.8-0.7/95/70-All

rated heat power MW

0.7

1.4

2.8

rated working pressure Mpa

0.7

0.7

0.7

rated output water temperature ℃

95

95

95

return water temperature℃

70

70

70

combustion method

Chain-grate firing

Chain-grate firing

Chain-grate firing

applicable coal

All,All

All,All

All,All

effective area of grate

1.736

3.72

5.2

the coal consumption at full load operation(kg/h)

156

303

596

the boby heating surface 

17.62

39.63

97.82

exit gas temperature ℃

170.5

139.9

139.3

the mist and discharges the density(mg/N m3)

<80

<80

<80

smoke blackness(ringelmann lecel)

<1 level

<1 level

<1 level

thermal efficiency %

75.65

76.77

78.75

dimensions of biggest part for transportation

(lengthxwidthxheighth)mm

4797x1900x3544

5550x2270x3950

7054x2610x4304

weight of biggest part for transportation t

20

27

30