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  4. Steam boiler Latent heat recovery once-through boiler ComboGas series (Hirakawa Co., Ltd.)
Steam boiler Latent heat recovery once-through boiler ComboGas series-CG-1500
Steam boiler Latent heat recovery once-through boiler ComboGas series-Hirakawa Co., Ltd.

Steam boiler Latent heat recovery once-through boiler ComboGas series
Hirakawa Co., Ltd.

Hirakawa Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

50.0hours

About This Product

By adopting FPSCC technology and proportional control combustion method, we have achieved a boiler efficiency of 102% and a turndown ratio of 1:10, achieving the industry's top boiler efficiency. Furthermore, low NOx levels have been achieved, breaking the conventional wisdom.

■Features

・Low NOx ・Fan rotation speed control ・Economizer ・Microcomputer ・Latent heat recovery ・Low noise ・CO2 reduction

■Highest boiler efficiency of 102% in a once-through boiler

By using a fully premixed surface stable combustion burner (FPSC burner) that can follow any operating load and latent heat recovery technology, we have achieved boiler efficiency of 101 to 102% (lower calorific value standard) over the entire operating load range.

■Highest turndown ratio in a once-through boiler: 1:10

We have adopted a proportional control combustion method that allows the burner output to be changed continuously from 100% to 10%. Conventionally, burners have been operated by switching the combustion amount in stages between 100% and 40%, or by stopping combustion, but with the proportional control combustion method, there is no need to stop the burner until the load reaches 10% of the rated value, so it is possible to minimize the decrease in operating efficiency caused by repeated starting and stopping (in the case of city gas 13A). For LPG, the turndown ratio is 1:6.

■Steam dryness 99% or more

It can stably supply high-quality steam free of impurities under all operating loads.

■Low NOx

In recent years, the combustion load has increased due to the downsizing of boilers, making it difficult to achieve uniform combustion within the combustion chamber, making it difficult to reduce the amount of NOx, mainly thermal NOx. The adoption of a fully premixed surface-stable combustion burner enables uniform temperature combustion within the combustion chamber, eliminates local flame temperature rises, and enables stable, low-NOx combustion throughout the entire area. The NOx value has achieved 25ppm.

■Low noise

Achieved below 80dB using fully premixed surface stable combustion technology.

■Excellent operability

Equipped with a new microcontroller that is easy to see, understand, and has excellent operability.

  • Product

    Steam boiler Latent heat recovery once-through boiler ComboGas series

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1 Models of Steam boiler Latent heat recovery once-through boiler ComboGas series

Image Part Number Price (excluding tax) LPG (m3N/h) LPG boiler efficiency Boiler type Heat transfer area (m2) Power supply used (50/60Hz) Handler qualification Safety valve outlet Normal working pressure (MPa) Water capacity during regular use (ℓ) Required power (kW) Exhaust gas outlet Drainage outlet Converted evaporation amount (kg/h) Maximum working pressure (MPa) Water capacity when full (ℓ) Thermal power (kW) Fuel supply pressure (kPa) Fuel inlet Combustion control method Water supply inlet Steam outlet Product dry weight (kg) City gas 13A (m3N/h) City gas 13A boiler efficiency
Steam boiler Latent heat recovery once-through boiler ComboGas series-Part Number-CG-1500

CG-1500

Available upon quote

36.7

102

Small boiler

8.42

AC200V 3 phase

Attendance at “special education” provided by business owner or above

40

0.49 or more

200

8.7

300

Twenty five

1,500

0.98

380

940

98.1~294 (medium pressure B)

40

Proportional combustion

Twenty five

65

3,200

81.7

102

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About Company Handling This Product

Hirakawa Co., Ltd.

Response Rate

100.0%

Response Time

50.0hrs

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