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WNS series low nitrogen gas (oil) hot water boiler

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WNS series low nitrogen gas (oil) hot water boiler

规格型号:
Conden gas-steam boiler is a wok shell type with three backflow downstream pyrotechnical tube structure.The flame burns under micro-positive pressure in the corrugated furnace with high combustion thermal efficiency.This hot water boiler is the low pressure boiler. 
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Description
Parameters

The flue gas flow adopts the form of three- -return journey, symmetrical wet- -back structure, reasonable design of the burner interface and front and rear smoke box and other high-temperature heat conduction parts, to ensure that the external surface temperature of the furnace body conforms to the design specification.Perfect modeling design, unique structure, lively appearance, elegant color, even super value.The boiler leaves the factory as a whole,set pressure safety accessories in one, easy to install.Widely used in chemical industry, grease, petroleum, textile, printing and dyeing, plastic, fiber, carbon,paper-making, printing, wood, food, brewing, heating and air conditioning and other industries.It is characterized by fast steam, stable operation, convenient installation and use, low operating cost and long service life.

Characteristic description

1.The furnace pipe is a corrugated.The furnace pipe, the return combustion chamber and the front and rear tube plates all adopt full flanged structure, which can effectively eliminate the thermal stress of the furnace pipe.The return combustion chamber is an eccentric structure with large diameter ,and the radiation heating area is large. The second return journey smoke pipe adopts a screw pipe with enhanced heat transfer,and the third return journey adopts a big smoke pipe structure,which. can effectively reduce the boiler back pressure while enhancing. heat transfer.The exhaust outlet extent, thus improving the thermal efficiency of the boiler.

2.The boiler adopts the rear wet back clip and cover structure, which is simple and reliable, and can effectively reduce the exhaust temperature.At the same time, it is equipped with a backwater distribution device, which can evenly distribute the backwater around the inner front tube plate, effectively reduce the temperature of the inner front tube plate, and increase the service life of the boiler.

3.Adopt the. advanced low nitrogen burner, the fire controller, and has the flame monitoring, the automatic purge, flame-out protection function, the harmful composition in the flue gas is lower than the national standard (Nox emission is lower than 30mg/m") belongs to the environmental protection product.

4.Advanced touch screen+PLC controller is available,digital prosecution system, it has the functions of timing control,work record,leak detection and alarm, etc.,and can add the manufacturer timing lock, can be reserved for machine communication interface to achieve integrated control.

5.Boiler manufacturing specifications, in strict accordance with the relevant national standards, with air pressure, water level automatic regulation function, automatic ignition, and water shortage, over-pressure, flame-out protection.

Technical parameters of WNS series low nitrogen hot water boiler

Item/model WNS*-1.0/95/70-Y(Q)series
0.7 1.4 2.1 2.8 4.2 5.6 7.0 10.5 14
Rated thermal power MW 0.7 1.4 2.1 2.8 4.2 5.6 7.0 10.5 14
Fixed work stress Mpa 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
Supply/return water temperature 95/70 95/70 95/70 95/70 95/70 95/70 95/70 95/70 95/70
Heated area m2 19.7 38.6 62.9 87.2 109.4 159 198.7 298.1 397.4
Thermal efficiency % 95 95.2 95.4 95 95.1 95.3 95.5 95.9 95.8
Fuel Consume Light oil Kg/h 63.7 127.4 190.6 253.7 381.9 506.5 632.4 992.2 1323.2
Natural gas Nm3/h 75.3 153.7 230.1 306.4 461.1 612.1 763.8 1145.7 1527.6
Power consumption KW 4 6 9.5 11 22 27.5 28.2 46 55
Boiler water capacity m3 2.7 3.8 5.4 7.2 10 12.9 14.9 23.5 32.3
Boiler weight t 5.3 6.8 8.9 10.3 12.1 18 21.1 33.6 42
Hearth size Diameter mm 700 800 900 1000 1100 1300 1400 1600 1800
Length mm 1800 2300 2800 3200 3800 4500 5100 5600 6000
Boiler back pressure Pa 470 630 1023 1393 1432 1433 1920 2108 2580
Water supply pipe mm 80 100 125 125 150 200 200 250 300
Return Water pipe mm 80 100 125 125 150 200 200 250 300
Safety Valve tube mm 25 25 40 40 2x40 2x40 2x40 2x65 2x65
Sewage pipe mm 40 2x40 2x40 2x40 3x40 3x40 3x40 3x40 3x40
Chimney diameter mm 300 350 400 400 600 800 800 900 1000
Shape Size Long mm 3500 4210 4700 5050 5693 6440 7000 7506 8050
Width mm 1760 1850 2000 2150 2220 2550 2750 3036 3340
High mm 2160 2270 2562 2660 2760 3150 3350 3733 3942
Base size Long mm 2680 2950 3400 4000 4500 5200 5600 6160 6560
Width mm 1350 1400 1550 1675 1750 2100 2250 2460 2650

 

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