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Bulk Hot Water Boiler

Bulk Hot Water Boiler
DHL29-1.6 / 130 / 70-AII bulk hot water boiler is a single-drum horizontal chain-grate boiler, in &amp;i;-shaped structure and installed indoor. This boiler can be used as a large centralized steam boiler of heat supplying station and heat-load peak adjusting set of heat and power station.
1) Water circulation is through the natural circulation piling of the hearth
parts and the forced circulation of the convection heating area. In the
water system, returned water enters in the drum and the down comer
falls to the cabinet of the water-cooling wall from the outer boiler, and
then reaches the drum. It is deviated from the top of the drum to the
ceiling pipe, and the coal economizer. The hot water can be deviated
from the exit of the coal economizer
2) Burning method of coal scuttle veering chain-grate
3) High and large hearth to improve the coal burning conditions. This
boiler is with front and back arches
4) Air pre-heater (tr B=153o C) to accelerate the ignition and burning of
the coal
5) This boiler feeds the wind from two sides in sections
Technical parameters:
1) Rated heat efficiency: 29m W
2) Boiler hot water flow: 410.5MT/h
3) Boiler discharge pressure: 1.6MPa
4) Boiler rated exit/ inlet water temperature: 130o C / 70o C
5) Fuel features: grade II coal
a) Heat: 17,693k J/kg
b) Volatilization: 28.48%
6) Dimensions:
a) Distance of the central lines between the left and the right
jambs: 5,820mm
b) Max. width (podium included): 10600mm
Structure: the large parts of the boiler consist of heating areas, metal parts and burning system parts. The heating area consists of drum, water-cooling wall system, roof tube, coal economizer and air pre-heater. The burning system consists of coal scuttle, chain-grate, chain-grate gearing device, and slagging device. The metal structure consists of pillar, beam, podium ladder, ceiling plate and protection plate
Max. transportation dimensions of the boiler and drum: 1,890 x 1,820 x 7,800
N. W.: 6,844kg

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