SZS Fuel gas hot water boiler—Product

SZS Fuel gas hot water boiler

ModelSZS Fuel gas hot water boiler
FuelNatural gas, light oil, heavy oil, gas, etc.
Capacity7.0~21MW
Pressure1.0/1.25/1.6 Mpa
ApplicationLarge district heating, residential winter heating

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Detail Parameter Advantage Case

Product Detail Product introduction

　　The SZS series boilers are double drums, longitudinal and longitudinal, and chamber-fired D-type arrangements. The right side is the furnace chamber and the left side is the convection tube bundle. The movable supports in the middle and the two ends of the lower drum are fixed on the body chassis, and Ensure that the entire boiler expands toward both ends. The furnace chamber is surrounded by a narrow-spaced tubular membrane water wall. The membrane water wall on the left side of the furnace chamber completely seals the furnace chamber from the convection tube bundles. The rear of the convection tube bundle area is a delaminated staggered structure, and the front is a parallel column structure. The furnace is burning. The generated flue gas enters the combustion chamber and convection zone from the smoke outlet at the tail of the furnace, and then turns from the left front of the boiler into spiral finned tube economizers and condensers. Finally, it enters the flue and enters the chimney to the atmosphere.

Basic parameters The basic parameters

Basic technical parameters of SZS Fuel gas hot water boiler

Specification		SZS7-1.0/115/70-Y（Q）	SZS10.5-1.0/115/70-Y（Q）	SZS14-1.25/115/70-Y（Q）	SZS17.5-1.25/115/70-Y(Q)	SZS21-1.25/130/70-Y(Q)	SZS29-1.25/130/70-Y(Q)	SZS46-1.6/130/70-Y（Q）	SZS58-1.6/130/70-Y（Q）	SZS70-1.6/130/70-Y（Q）	SZS116-1.6/130/70-Y（Q）
（MW）Rated thermal power		7	10.5	14	17.5	21	29	46	58	70	116
（MPa）Rated pressure		1.0	1.0	1.25	1.25	1.25	1.25	1.6	1.6	1.6	1.6
（℃）Rated outlet water temperature		115	115	115	115	130	130	130	130	130	130
（℃）Return water temperature		70	70	70	70	70	70	70	70	70	70
Heating area	（㎡）Furnace radiation	168	220	245.3	284.4	374.75	428.1	1065.9	1225.7	1408.4	6164.8
Heating area	Condenser	164	306	527	645.1	738.3	990.8	985.3	1292.5	1642.1	1830
Fuel available		Natural gas,biogas,coke gas,methanol,light oil etc.
（Nm³/h）Natural gas consumption		720	1080	1440	1800	2160	2982	4680	5760	7200	11880
（%）Thermal efficiency		＞98	＞98	＞98	＞98	＞98	＞98	＞98	＞98	＞98	＞98
（t）Weight of biggest part for transportation		42	48	52.5	57.5	65	72.5	散件12.6	散件13.8	散件16	散件20
（m）Overall dimension of boiler		7.87×3.4×3.34	8.85×3.85×3.93	8.51×3.85×3.75	9.31×3.77×3.75	10.10×4.13×3.75	10.9×4.13×4.15	11×φ1.45	11.1×φ1.46	12×φ1.66	12.5×φ1.66

Note: Technical parameters are subject to change without notice.

Advantage The working principle of

Our company has made airtight tests on the SZS boilers.
Perfectly solves the problem of high surface temperature on the outside of the furnace;
Solved the problem of excessive temperature at the front of the burner and the boiler;
Our company anneals each SZS boiler to ensure the safe operation of the boiler;
Good solution to the problem of the top column bulging in the boiler bottom layer;
Solve the problem of furnace vibration when the boiler is running.

Case Successful cases

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