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SZS Series Oil Gas Fired Superheated Steam Boiler

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Introduction
Technical Parameter

Rated Evaporation: 10-50T/h
Rated Steam Pressure: 1.25/1.6 Mpa
Rated Steam Temperature: 350℃
Fuel: Diesel, Natural Gas, Heavy Oil, LPG, CNG, Fuel Oil, Biogas, City Gas, Methane Gas, etc.
Applicable: industrial and civil heating in pharmaceutical, food, daily chemicals, tobacco, brewing, papermaking, steel, coking, electric power,colleges and universities, hotels, public


Main Features

1. SZS series gas/oil boiler high temperature area adopts forced circulation to ensure that the heating surface of each part can be reliably cooled and prevent vaporization.

2. SZS series gas/oil boilers are equipped with explosion-proof doors and flame detectors, which are safe and reliable in operation.

3. The seal between the membrane wall on both sides and the drum are all comb-shaped plates, which eliminates the problem of condensate and gas leakage caused by refractory concrete sealing. Before leaving the factory, boilers are tested for air tightness to ensure that there is no slight gas leakage.

4. SZS series boiler has a larger furnace, with ultra-low nitrogen burner, NOx is less than 30mg/Nm3 flue and the boiler flue gas port adopts internal insulation measures, which effectively reduces the noise during boiler operation The combustion chamber adopts a full-membrane water-cooled wall structure and adopts micro-positive pressure combustion, which has no smoke generation problems and no pollution to the operating environment.

5. Adopt high-quality aluminum silicate fiber, and then use refractory cement for heat insulation, the temperature of the furnace body is controlled below 45℃, then the heat loss is effectively controlled.

6. The combustion chamber adopts the narrow-wall tube mode cold wall, which has good air tightness, reduces heat loss, and improves the boiler's thermal efficiency.

7. The inside of the observation hole adopts molded high-aluminum refractory material and manhole sealing device, which changes the problem of overheating this part by refractory bricks.

8. SZS series boilers are equipped with fire viewing holes at the front and back of the upper and lower drums, and an inspection door is arranged at the rear of the boiler, which is easy to open and facilitates user inspection and cleaning of the inside and outside.

9. The front and rear walls of the SZS series boiler body all adopt a membrane structure, which greatly improves the service life of the front and rear walls and ensures a service life of more than 20 years

10. All anti-shake fasteners are used for the convection pipes in the high temperature area to eliminate the fracture problem of the convection tube bundle mouth. Perform 100% radiographic inspection.

SZS-Gas-Steam-Boiler

Model SZS10 SZS15 SZS20 SZS25 SZS30 SZS35 SZS40 SZS50
Rated Evaporation t/h 10 15 20 25 30 35 40 50
Rated Steam Pressure Mpa 1.25(1.6)
Superheated Steam Temp. 350
Rated Inlet Water Temp. 20(104)
Designed Heat Efficiency % 92.8 92.9 93 93 93.1 93.1 93.2 93.2
Designed Ambient Temperature 20
Weight T 37.2 50 53 58 65 70 74 85
Boiler Operating Water Volume T 9.3 11.6 15.2 16.9 21.8 24.8 29.8 35.8
Boiler Full Water Volume T 11 14.8 18.1 19.9 24.2 28.9 36.5 40.3
Burning Method   Micro Positive Pressure Chamber Combustion
Natural Gas Nm3/h 901.3
(801.1)
1339.2
(1182.6)
1767.3
(1564)
2227.2
(1977.2)
2673.6
(2368.6)
3118
(2769.2)
3559.4
(3154.5)
4455.2
(3950.6)
Diesel Oil Kg/h 771.3
(691)
1138.2
(1033.3)
1507.9
(1345.1)
1928.5
(1726.5)
2315
(2077.2)
2702.2
(2423.1)
3073.6
(2753.4)
3856.4
(3459.2)
Transportation Size L mm 8120 9650 9650 10850 11780 12820 12820 12820
W 3410 3850 4050 4250 4350 4500 4600 4700
H 3750 3850 4200 4300 4350 4400 4400 4400
Installation Size L mm
 
10250 12820 12820 13860 14790 15830 15830 15830
W 6570 6000 6350 6700 7100 7300 7500 7700
H 4680 4500 4850 5150 5200 5350 5500 5600
Water Inlet DN mm 50 50 65 65 80 80 80 100
Main Steam Outlet DN mm 150 150 200 200 200 250 250 300
Secondary Steam Outlet DN mm 50 50 50 50 50 50 50 50
Manual Sewage Outlet DN mm 50 50 50 50 50 50 50 50
Continuous Sewage Outlet DN mm 40 40 40 40 40 40 40 40
Safety Valve DN mm 2*80 2*100 2*125 2*125 2*150 2*150 2*150 2*150
Chimney Diameter mm Ø800 Ø 950 Ø 1100 Ø 1200 Ø 1300 Ø 1400 Ø 1500 Ø 1650
Remark 1: Above all data according to standards of natural gas low position calorific value8400kcal/Nm, diesel low position calorific value 10250kcal/kg.
Remark 2: Due to continuous improvement, we reserve the right to modify the appearance& specifications. The above parameters are for reference only, please refer to the final drawing.
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