NIPPON FURNACE KOGYO KAISHA LTD.
Nippon Furnace Four Way Valve CEM
Made In Japan
Manufacturer: NIPPON FURNACE KOGYO KAISHA LTD.
Burners & Combustion Equipment Business
Nippon Furnace began manufacturing combustion burners after World War II through technical licensing agreements with well-known companies like Bloom, Coen, Pillard, and Forney. Later, it introduced high-efficiency burners developed in its own R&D facilities, securing a strong position in the combustion market. In 1987, the company intensified R&D efforts to develop the High Cycle Regenerative Combustion System (HRS) to address global environmental concerns and economic growth. Adopted in Japan’s High Performance Furnace Development Project, HRS burners have, since 1999, demonstrated a 30% reduction in fuel consumption and NOx emissions. NFK’s burners are now acclaimed worldwide for their efficiency and quality.
Burners & Combustion Equipment
industrial Furnaces equipped with Regenerative Burners(HRS Burners)
- HRS-DL Type Heat Treatment & Annealing Furnaces
- HRS-RT Type Heat Treatment Furnaces
- HRS-RT Type Aluminum Heat Treatment Furnaces
Burner for Fired Heater • Burner for Rotary Kiln
- Air Staged Low NOx Burner for Fired Heater of Refinery
- Fuel Staged Low NOx Burner for Fired Heater of Refinery
- Three (3) Fuel Burner for Rotary Kiln
Burners for Boiler • Economizer
- NNFK-LND Type Oil Fired Low NOx Burner
- NFK-LPCF Type Large Gas Fired Burner for Low Calorie Fuel
- NFK-ULN Type Gas Fired Low NOx Burner
- NFK-CGT Type Regenerator for Gas Turbine Exhaust
- NFK-ECG Type Anti-Corrosion Glass Economizer
Energy Saving Equipment & Maintenance for Boiler
- Heat Recovery & Energy Saving Equipment for Boiler
- Automatic Operation Control System & Remote Control System for Boiler
- Test Operation, Periodical Inspection & Maintenance Service of Boiler
Other Combustion & Energy Saving Equipment
- NFK-DEKA Air Pre-Heater
- A.I./S.I.(Air/Steam Enthalpy Intensifier)
- High Temperature/Pressure Indirect Hot Air Generator
- High Pressure/Enthalpy Intensified Combustor
- FCC/RFCC Air Heater
- Fired Heater
- Flame Detector
- COG Filter
Regenerative Burners (HRS Burners)
- HRS-DL Burner (Direct Firing Type)
- HRS-DF Burner (Direct Firing and Non-Oxidizing/Reducing Type)
- HRS-RT Burner (Radiant Tube Type)
- HRS-U1 Burner (Package Type Direct Firing Type)
- HRS-UX Burner (Continuous Fueling Direct Firing Type)
- HRS-CEM (Four Way Valve)
Regenerative Burners (HRS Burners)
HRS (High Cycle Regenerative Combustion System) burners have achieved outstanding energy savings by means of ultra high pre-heated air combustion and high efficiency waste heat recovery systems. These were realized by use of NFK’s patented ceramic honeycomb regenerating media and CEM (Cross Exchange Mechanism), a four-way Switching Device. The HRS-ULN(ultra low NOx) burners based on the latest fuel staging combustion theory have also set a new standard in reducing NOx emissions.
Four Way Valve
(Cross Exchange Mechanism-CEM)
CEM is for The operation of two sets (one pair) of regenerative burners. The four way valve makes possible both air feeding and flue gas exhaust with a single exchange valve. The advantages of CEM in comparison with conventional valve systems (four sets of valves required) are as follows:
- Low cost
- Small size and simple construction
- Simple piping and easy control
- Small leakage ratio (below 5%)
- Natural air cooling
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