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| Categories | Rolling Mill Reheating Furnace |
|---|---|
| Brand Name: | Yushun |
| Model Number: | Customized |
| Certification: | ISO 9001 |
| Place of Origin: | China |
| MOQ: | 1 |
| Price: | Negotiated |
| Payment Terms: | T/T, L/C |
| Supply Ability: | 1 set 30 days |
| Delivery Time: | 30 days |
| Packaging Details: | Wooden case packing or nude packing |
| Name: | Cold Charging Low Nitrogen Combustion Walking Beam Heating Furnace |
| Specification: | 35t/h |
| Heating steel: | carbon structural steel, high quality carbon structural steel, low alloy steel, late part of the excellent special steel |
| Billet charging temperature:: | normal temperature |
| Billet heating temperature:: | 1100~1150℃ |
| Fuel type:: | natural gas |
| Heat value: | Q low = (8500±100) ×4.18KJ/Nm3 |
| Pressure: | ～8000Pa |
| Company Info. |
| Wuxi Yushun Metallurgical Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Cold Charging Low Nitrogen Combustion Walking Beam Heating Furnace
This project involves the design, manufacture, construction and installation, masonry, coating, commissioning of cold and hot state, personnel training and turnkey project of a walking beam heating furnace with rated output of 35 t/h (cold installation) until normal operation.
It adopts low-nitrogen combustion system, via the two-stroke preheater to preheat combustion air to 350℃, fully recover flue gas heat, save fuel consumption at the same time, reduce the cost of combustion system and spare parts and long-term maintenance, significantly reduce the operating cost; Both theory and practice have proved that fuel consumption can be reduced by 5% when combustion air is increased by 100℃.
Main technical parameter
Technical performance table
No. | Item | Unit | Value |
| 1 | Usage | Heating before billet rolling | |
| 2 | Heating steel grade | Ordinary carbon steel, low alloy steel, high quality carbon steel, excellent special steel | |
| 3 | Standard billet size | mm | (150×150-380×380)×(4600-6100) |
| 4 | Single weight of billet | kg | 767--6420 |
| 5 | Heating temperature | ℃ | 1030~1150 |
| 6 | Furnace output | t/h | Rated 35 (cold charging) |
| 7 | Effective bottom strenght | kg/m2.h | Rated 465 |
| 8 | Fuel type | Natural gas | |
| 9 | Low calorific value of fuel | kJ/Nm3 | 8500±100x4.18 |
| 10 | Charging temperature | ℃× | Cold charging: normal temperature |
| 11 | Unit heat consumption | kJ/kg billet | 300×4.18(cold charging) |
| 12 | Gas consumption | Nm3/h | 1260 |
| 13 | Air consumption | Nm3/h | 12600 |
| 14 | Flue gas amount | Nm3/h | 13860 |
| 15 | Heating method and burner | Low nitrogen burner, side wall of heating section, upper wall of soaking section | |
| 16 | Air heat exchanger type | Metal tubular convection heat exchanger with plug | |
| 17 | Air preheating temperature | ℃ | 350 |
| 18 | Walking beam cooling method | Water cooling | |
| 19 | Consumption of cooling water | m3/h | 300 |
| 20 | Walking mechanism transmission mode | Hydraulic | |
| 21 | Walking parameter | mm | Step pitch:270 |
Lifting: 100+100 | |||
| 22 | Walking period | sec | 35 |
Energy medium requirements
| Flow | Pressure | Heat value | Requirement | |
| Natural gas | 1600Nm3/h (connection point) | ~8000Pa (There is a pressure stabilizer for air supply in the workshop) | (8500±100)x4.18kJ/Nm3 | |
| Nitrogen for piping purging | 100 m3/time | 0.25 MPa | ||
Gas for pneumatic mechanism | 200 m3/h | 0.6 Mpa | no oil, water removal | |
| Gas for instrument | 50 m3/h | 0.6 Mpa | no oil, water removal, the impurity particle is not larger than 5um | |
| Clean circulation water for furnace equipment | 100 m3/h | 0.4 Mpa | ||
Turbid circulation water for water seal and slag flushing system | 30 m3/h | 0.25Mpa | ||
Accident water | 150 m3/h | 0.2Mpa |
Technical performance table
| No. | Item | Unit | Value |
| 1 | Usage | Heating before billet rolling | |
| 2 | Heating steel grade | Ordinary carbon steel, low alloy steel, high quality carbon steel, excellent special steel | |
| 3 | Standard billet size | mm | (150×150-380×380)×(4600-6100) |
| 4 | Single weight of billet | kg | 767--6420 |
| 5 | Heating temperature | ℃ | 1030~1150 |
| 6 | Furnace output | t/h | Rated 35 (cold charging) |
| 7 | Effective bottom strenght | kg/m2.h | Rated 465 |
| 8 | Fuel type | Natural gas | |
| 9 | Low calorific value of fuel | kJ/Nm3 | 8500±100x4.18 |
| 10 | Charging temperature | ℃× | Cold charging: normal temperature |
| 11 | Unit heat consumption | kJ/kg billet | 300×4.18(cold charging) |
| 12 | Gas consumption | Nm3/h | 1260 |
| 13 | Air consumption | Nm3/h | 12600 |
| 14 | Flue gas amount | Nm3/h | 13860 |
| 15 | Heating method and burner | Low nitrogen burner, side wall of heating section, upper wall of soaking section | |
| 16 | Air heat exchanger type | Metal tubular convection heat exchanger with plug | |
| 17 | Air preheating temperature | ℃ | 350 |
| 18 | Walking beam cooling method | Water cooling | |
| 19 | Consumption of cooling water | m3/h | 300 |
| 20 | Walking mechanism transmission mode | Hydraulic | |
| 21 | Walking parameter | mm | Step pitch:270 |
| Lifting: 100+100 | |||
| 22 | Walking period | sec | 35 |
Packaging Details: Wooden case packing or nude packing
Port: Tianjin
Lead Time:
| Quantity(Sets) | 1-1 | >1 |
| Est.Time(Days) | 30 | To be negotiated |
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