Horizontal automatic oil fired FGR hot water boiler

Gas or Oil Fired FGR Integrated Hot Water Boiler

Introduction Features
Technology Parameters

Rated thermal power: 0.7-14MW
Rated thermal efficiency: 96-98%
Introduction: The most important thing is we make some of outlet smoke back into the furnace to improve efficiency. This technique is called FGR technique. You will spend less area and less fuel consumption when you adopt this boiler in your factory or your heating system.

FGR technology

FGR flue gas circulating combustion technology is recycling 10% to 30% of the boiler smoke back into the burner inlet to reduce the concentration of oxygen burning area at the same time.
Advanced structure

The integrated structure is a newly designed structure which applies on steam boiler. Compared with the tradition split three pass wet back structure, this boiler takes less area and makes better performance.
Low pollution

Benefiting from the efficiency of the boiler plays to its limit, this boiler has a comprehensive function of pollution solution. That leads a substantial reduction in emissions of harmful substances such as NOx
Easy operation

We develop different controller system for each piece of our steam boiler and we make this effort to ensure the boiler is easy to operate and control. For safety, we make safe door and various devices to detect.

Core Technology

Introduction Features
Technology Parameters

FGR technology

FGR flue gas circulating combustion technology is recycling 10% to 30% of the boiler smoke back into the burner inlet to reduce the concentration of oxygen burning area at the same time.
Big size corrugated furnace

Our engineers make an important decision. That is to make bigger furnace. This brings more enough burning and the better way to save fuel. Besides, according to data, we found this can reduce harm to the boiler body.
PLC Full-Intelligent Control System

Fully self-developed PLC system is easy to operate. To better serve global clients, we make the system full English interface. Simple and humanized is our design philosophy when dealing with our boiler.

Parameters

Introduction Features
Technology Parameters

Model

Heating area

Rated thermal power

Cyclic water quantity

Fuel consumption

Maximum boiler size

Water inlet / outlet

Drain outlet

Chimney diameter

Pass to atmosphere

Weight

Remarks

Light oil

Gas

Length

Width

Unit

㎡

Kcal/h

m³/h

kg/h

Nm³/h

CWNSL0.7-95/70-Y/Q

6000

60×104

24.1

63.6

74.3

3730

1950

2430

DN100

DN50

300

DN80

3.43

Central reverse flame

CWNSL1.4-95/70-Y/Q

12000

120×104

48.2

128.5

142.4

3710

2270

2850

DN100

DN50

350

DN125

4.55

CWNSL2.1-95/70-Y/Q

18000

180×104

72.2

190.9

214.1

4440

2360

3220

DN125

DN50

450

DN150

6.18

CWNSL2.8-95/70-Y/Q

24000

240×104

96.3

244.5

290.2

5170

2520

3310

DN125

DN50

450

DN150

6.33

General

Rated outlet / inlet temperature

℃

95/70

Rated thermal efficiency

96-98

Power supply

V/Hz

380/50

Model	Heating area	Rated thermal power	Cyclic water quantity	The water pressure	Fuel consumption		Maximum boiler size			Water inlet/outlet	Drain outlet	Chimney diameter	Weight	Remarks
Model	Heating area	Rated thermal power	Cyclic water quantity	The water pressure	Light oil	Gas	Length	Width	Height	Water inlet/outlet	Drain outlet	Chimney diameter	Weight
Unit	㎡	Kcal/h	m³/h	MPa	kg/h	Nm³/h	mm	mm	mm	mm	mm	mm	t
WNS2.8-1.0/115(95)/70-Y/Q	24000	240×104	53.5(96.3)	1	244.4	275.2	5500	3260	3680	DN125	DN50	450	8.15	Central r
WNS4.2-1.0/115(95)/70-Y/Q	36000	360×104	80.3(144.5)		367.3	414.1	6500	3530	4320	DN150	DN50	550	13.94	Two process
WNS5.6-1.0/115(95)/70-Y/Q	48000	480×104	107(192.6)		491.8	554.9	7090	4030	4990	DN200	DN50	700	17.99
WNS7-1.0/115(95)/70-Y/Q	60000	600×104	133.8(240.8)		608.8	682.4	7650	4040	5090	DN200	DN50	700	20.43
WNS14-1.25/115(95)/70-Y/Q	120000	1200×104	267.6(481.6)	1.25	1224.9	1368.1	9280	4350	5770	DN250	DN50	900	40.46

∗Take 38.3MJ/Nm³ as the low calorific value of natural gas

∗As the technology is constantly updated, it is subject to change without notice. For detailed parameters, please refer to the headquarters of Fangkuai Boiler co., LTD.

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Gas or Oil Fired FGR Integrated Hot Water Boiler

Features

FGR technology

Advanced structure

Low pollution

Easy operation

Core Technology

FGR technology

Big size corrugated furnace

PLC Full-Intelligent Control System

Parameters

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