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SZS type fuel gas boiler for double boiler tube longitudinal "D" type layout quickly assembled with the water tube boiler, combustion, emissions of no pollution, convenient operation, convenient installation and other advantages; the boiler thermal efficiency is high, the output is big, strong load adaptability, high degree of automation, convenient operation, safe and reliable operation, is a an efficient, low consumption, low pollution, green environmental protection products.

This type of fuel gas boiler is composed of upper and lower drum, membrane water wall composed of convection tubes and energy-saving device, condenser, fuel combustion in the furnace, flue gas by convection tubes and flue gas waste heat recovery device in coal fired boiler chimney. Change the implementation of the policy, this series of boiler will play a very important role in the field of thermal energy equipment application in the future.
Automatic operation: tail arrangement of flue gas condensation recovery device can effectively control the exhaust gas temperature and boiler thermal efficiency is high; equipped with well-known brand, burner and auxiliary equipment, accessories, automatic operation, water supply by continuous electric control, high combustion efficiency.

Main technical parameters:
| model | Rated thermal power | nominal working pressure | Leaving Water Temperature | return water temperature | efficiency | gas consumption | Overall dimensions of transportation |
| unit | MW | MPa | ℃ | ℃ | % | Nm³/h | mm |
| QXS(SZS)58 | 58 | 1.25(1.6)(2.5) | 130(150) | 70(90) | 98.3 | 6196 | 15360*7570*8318 |
| QXS(SZS)48 | 48 | 1.25(1.6)(2.5) | 130(150) | 70(90) | 98.09 | 5048 | 15600*9500*7920 |
| QXS(SZS)29 | 29 | 1.25(1.6) | 130(150) | 70(90) | 97.8 | 3150 | 9685*6870*7180 |
| 9685* QXS(SZS)21 | 21 | 1.0(1.25)(1.6) | 115(130)(150) | 70(90) | 97.13 | 2328 | 10130*6170*6134 |
| QXS(SZS)14 | 14 | 1.0(1.25)(1.6) | 115(130)(150) | 70(90) | 97.02 | 1558 | 8120*3385*3750 |
| QXS(SZS)10.5 | 10.5 | 1.0(1.25)(1.6) | 115(130)(150) | 70(90) | 97 | 1136 | 7250*3682*3820 |
| QXS(SZS)7 | 7 | 0.7(1.0)(1.25) | 95(115)(130) | 70(90) | 96.87 | 754 | 6770*3210*3775 |
| QXS(SZS)7 | 7 | 1.25 | 115 | 70(90) | 95.76 | 763 | 6760*2780*3299 |
| QXS(SZS)5.6 | 5.6 | 0.7(1.0)(1.25) | 95(115)(130) | 70(90) | 95.57 | 619.2 | 6450*2956*3620 |
| QXS(SZS)4.2 | 4.2 | 0.7(1.0)(1.25) | 95(115)(130) | 70(90) | 95.36 | 456.7 | 5700*3105*3410 |
| QXS(SZS)2.8 | 2.8 | 0.7(1.0)(1.25) | 95(115) | 70(90) | 95.13 | 314 | 5160*2840*2930 |
Our main products including circular flow bed (CFB)boiler ,gas boiler,coal boiler,biomass boiler,oil boiler,power plant boiler , energy-saving boiler,solider waste boiler, high-efficiency boiler,electric hot water boiler,high-pressure boiler,fully automatic control boiler,wood chip biomass steam boiler,chain grate boiler,condensing boiler ,natural gas steam boiler ,water tube boiler,fire tube boiler,full artificial intelligence boiler ,biomass steam generator,refractory materials,boiler accessories and so on
Henan Swet Boiler Co., LTD

1.Henan kaifeng Swet (original name Desheng) Boiler Co.Ltd was established in 1954 ,We have contin-ued to provide customers with more than 60 years of quality service, known as the king of China's boiler.
2.It's the national designated A-class boiler and D1,D2 class pressure vessel manufacturing key enterpri-ses and has passed ISO9001 international quality management certification system certification.It holds level 1 boiler installation permit. National special equipment manufacturing license ,National special equipment installation remould maintenance permits and so on.

3. In 1979 the world's first circulating fluidized bed boiler developed by the Austrian company in Finland,In 1987 China's first circulating fluidized bed boiler was born in our factory.In 2016 In order to meet current emissions and reduce energy consumption requirements, our company launched efficient low-emission energy-saving circulating fluidized bed boiler, has been identified by the national institute of special equipment .

4.Company currently own three registered national patents, 29 certificate of national new products and all kinds of honors. Also we are qualified as high and new technology enterprise of henan province, and te- chnical support unit of "National Science and Technology Achievements", External CFB boiler
5.Company acquired 3 National Patents; 9 provincial awards;14 city-level scientific achievement award.

Highway transport and Shipping


Some of our domestic customers:
China Petroleum Pipeline Materials and Equipment Corporation.
China Petroleum & Chemical Corporation.
China Aero Engine Group.
COFCO Group Limited.
Weida Paper Co., Ltd.

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