No.

Indicators

Value

1

Boiler type

Stationary, with natural circulation

2

Boiler steam-generating capacity

Maximum capacity for this cell, but no less than 30 MTPH

3

Steam temperature, °С

370±10°С

4

Steam pressure at outlet, MPa

2,4

5

Air temperature, °С

-30 +40 (provide for recirculation line for air heating upstream air preheater by air heated by boiler air heater)

6

Fuel:

6.1

Tail gas*:

As per Appendix No. 1

6.2

Natural gas*:

а) calorific value Qнр , kcal/ Nm3

б) density r, kg/ Nm3

в) temperature, °С

г) pressure, MPa

д) flow limit for nominal conditions, m3/h

а) 8158-8560

б) 0,7095-0,7473

в) 2,6-21

г) 0,036-0,038

д) no more than 100

a) 8158-8560

b) 0,7095-0,7473

c) 2,6-21

d) 0,036-0,038

7

Waste gas flow rate

Up to 45000 m3/h

8

Natural gas flow rate

For rated tail gas flow no more than 50 m3/h (per boiler). In the absence of tail gas, ensure boiler rated steaming capacity using natural gas

9

Flue gas temperature at boiler outlet

220±10°С

10

Feed water temperature at boiler inlet

102-104°С (provide for internal drum heating, ejector or another alternative device for heating feed water upstream economizer)

11

Rupture discs

Yes

12

Design of boiler and its elements

The design of a boiler and its elements must ensure complete emptying both when mounted and at storage site.

13

Heating surface steam blow-off

Allow for application

14

Existing boiler cell dimensions, m (width, length, height)

9mх18mх15m

15

Potential boiler dimensions, m (width, length, height)

9,5х24,5 (7,5 outside boiler facility)х15

9.5m x 24.5m (7.5m在锅炉外面) x 15m