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Waste Heat Recovery Boiler
Used in conjunction with a combined heat and power unit, the waste heat recovery boiler can play a significant part in strategies for using primary energy efficiently. The hot flows of flue gas from the upstream combustion processes are conducted into the waste heat recovery boiler and used for steam/hot water generation purposes. Thanks to its modular design and compact dimensions, it is the ideal choice for both new plants and modernisation projects alike.

Product introduction

Overview:

Used in conjunction with a combined heat and power unit, the waste heat recovery boiler can play a significant part in strategies for using primary energy efficiently. The hot flows of flue gas from the upstream combustion processes are conducted into the waste heat recovery boiler and used for steam/hot water generation purposes. Thanks to its modular design and compact dimensions, it is the ideal choice for both new plants and modernisation projects alike.

Benefit:

Increase in efficiency and environmental responsibility through use of waste heat sources

Matched, modular system for easy planning and fast installation

Complete system including CHP unit on request

High efficiency through efficient tubular heat exchanger and good thermal insulation

Additional efficiency gain thanks to optional integrated economizer

Robust, reliable and durable

Reduced component diversity with regard to availability of spare parts

Service from a single source

Construction:

The waste heat recovery boiler has different structures, such as fire tube type, water tube type and heat pipe type, which to suit for different waste heat source. An economizer can be integrated as an option, which increases the efficiency even further. A flue gas bypass can be added if required. If no steam is extracted, the boiler will use this for diversion on the flue gas side. This means that the CHP unit or other waste heat sources can continue operating without interruption.

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Technical parameters:

Boiler model Q12/300-1.2-1.25Q6/1000-2-1.25Q10/1000-4-1.25/350Q15/900-4-1.25/280QCF10/950-5-2.45/400Q18/900-6-1.25/280Q26/900-8-1.25/250Q36/900-10-1.25/250
Q15/900-4-1.6/280Q18/900-6-1.6/280Q26/900-8-1.6/280Q36/900-10-1.6/250
Rated steam boilert/h1.224456810
Rated working pressureMPa0.251.251.251.25/1.62.451.25/1.61.25/1.61.25/1.6
Flow rate of flue gas (peak value)Nm3/h120006000100001500010000180002600036000
Flue gas inlet temperature30010001000900950900900900
Rated steam temperature138194350280400280250/280250/280
Heating area of boiler bodym22487084278/292150371.3418/436506
Heating area of superheaterm2//1157.1309.469.5512.4
System resistancePa<500<500<1000<1000<1000<1000<1000<1000
Shipping weight of the biggest partt18.21224.522.7/24.5In bulks25.4/28.232.438.8
Suit for/Chemical industrySulfuric acid productionSulfuric acid productionChemical industrypyrite-based sulfuric acid productionChemical industryChemical industryChemical industry

Note:

Boiler should be designed according to the waste heat condition of client’s requirement.


Boiler model Q40/850-12-1.25Q50/900-15-1.25/300Q60/900-20-1.8Q66/900-25-1.25/300Q80/900-25-2.5Q75/900-25-3.82/450Q110/900-35-8.32/450Q130/950-35-3.82Q160/900-50-3.82
Q50/900-15-1.6/300/450/450
Rated steam boilert/h121520252525353550
Rated working pressureMPa1.251.26/1.61.81.252.53.823.823.823.82
Flow rate of flue gas (peak value)Nm3/h40000500006000066000800007500011000130000160000
Flue gas inlet temperature850900900900900900900950900
Rated steam temperature194300210300226450450450450
Heating area of boiler bodym2638842.5/871.7958160414961145171019612403
Heating area of superheaterm2/30.5/70.5/171185270320.5
Heating area of economizerm2///750/1660830984/
Heating area of air pre-heaterm2///501//945//
System resistancePa<2000<1500<1000<2000<1000<1500<1600<1600<2000
Shipping weight of the biggest partt38.9In bulkIn bulkIn bulkIn bulkIn bulkIn bulkIn bulkIn bulk
Suit for/Chemical industryChemical industryChemical industryChemical industryChemical industryChemical industryChemical industryChemical industryChemical industry
Note:

Boiler should be designed according to the waste heat condition of client’s requirement.


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