Rebar Steel Rolling Production Line, Heavy Oil Reheating Furnace

• Customization: Available
• After-sales Service: One-Year Remote Warranty
• Warranty: One-Year Warranty
• Type: Induction Heating Machine
• Certification: ISO
• Structure: Horizontal Type
• Brand: Hani
• Transport Package: Safety Seaworthy Package
• Specification: Customized
• Trademark: HAN
• Origin: China
• HS Code: 8514109000
• Production Capacity: 1000

Product Description

Product Description

 

High efficiency heat transfer pusher type reheating furnace
for wire rod and bar production line
Heating specification
Billet specification: 
200mm×200mm, 180mm×180mm ,150mm×150mm, 130mm×130mm ,120mm×120mm etc.
Blank length:6m or 12m or others
Steel: Alloy steel, structural steel, tool steel etc.

The heating of steel is the leading and important link in the whole rolling process. The quality of heating is directly related to the quality and economic benefit of the product, and it plays a very important role in the whole production.The heating process is the focus of energy consumption and material consumption in the whole process. The energy consumption index and oxidation loss index of the steel rolling furnace are directly related to the cost of the product, thus affecting the competitiveness of the steel products in the market.
Therefore, it is very urgent and very important to design and build a modern heating furnace which meets the national standard, energy saving and consumption, and meets the requirements of production and quality.
In order to meet the heating quality and output of the billet, to adapt to the equipment level of the rolling line and to meet the requirements of the users, this scheme adopts a high production, low consumption, practical and reliable heat transfer type reheating furnace with a modern level.

Furnace temperature	Surface temperature of side wall	Surface temperature of furnace top
ºC	ºC	ºC
ºC	ºC	ºC
ºC	ºC	ºC
ºC	ºC	ºC

Walking beam heating furnace

Features of this heating furnace
1. By adopting a reasonable furnace type, efficient heat exchange burner structure and heat load distribution system, a reducing atmosphere and atmosphere are created around the steel billet in the soaking section of the furnace to reduce oxidation and burning of the steel billet.
2. Equipped with an advanced and complete three-electric integrated computer automatic control system and necessary safety interlock system. Industrial TV is installed at the loading and unloading end, and the loading and unloading cantilever rollers, loading and unloading furnace doors and steel pushers are all equipped with safety interlocks and protection devices.
3. The high-efficiency heat exchange high-temperature combustion technology at the furnace tail is adopted to preheat the combustion air to above 350-600ºC to reduce the exhaust gas temperature.
4. The three stages of combustion control all use proportional valves to control combustion.
5. Continuous heat supply, so that the fluctuation of furnace pressure can be greatly reduced.
6. High-efficiency heat exchanger (our company's proprietary technology) realizes continuous heat supply and is easy to operate. The life of the furnace body is more than doubled. The heat exchange area of the high-efficiency heat exchanger is more than twice that of the conventional heat exchanger. The heat exchanger of this furnace is a double heat exchanger with a heat exchange area of 1200-1500 square meters.
7. Small and compact burners are used, and the hot air duct is insulated inside and outside to ensure heat exchange efficiency. High-efficiency heat exchanger, easy and fast maintenance and installation of dust removal device (our company's proprietary technology).
8. The high-efficiency heat exchanger system is equipped with PLC control. The system has the functions of constant temperature control, timing control, over-temperature alarm and forced release. Safe and reliable.
9. The composite furnace lining technology of integral casting with optimized design is adopted to minimize the heat dissipation loss of the furnace body.
10. In order to improve the operating environment around the heating furnace, the flue gas pipelines around the furnace are all insulated.
11. The displaced water beam technology is adopted, which can effectively reduce the black mark of the water pipe of the steel billet and significantly improve the rolling accuracy and mechanical properties of the product;
12. The stepping mechanism adopts an efficient hydraulic system to independently control the operation. The system adopts proportional valves, constant flow valves and matching stroke detection and control devices. The billet can be lifted and lowered with ease;
13. The walking beam adopts vaporization cooling or water cooling system.
14. The double-wheel inclined rail stepping mechanism is adopted, which is easy to install and adjust, with less maintenance and reliable operation.
15. The hydraulic system of the stepping mechanism adopts variable pump and proportional valve as well as matching stroke detection and control device. The walking beam starts to lift and lower the billet at a low speed, realizing "lifting and lowering lightly" to reduce the shedding of iron oxide scale and avoid the damage of the insulation layer of the water-cooled beam due to impact.
16. In order to ensure the normal production and maintenance of the heating furnace, a convenient, practical and reliable slag discharge device is adopted.

No.	Projects	Unit	Numerical value
1	Purpose		Heating billets before rolling
2	Grade of steel		High alloy steel, low alloy steel, carbon steel, stainless steel, die steel, spring steel
3	Standard billet size	mm	120 × 120,130 × 130,150 × 150,180 × 180,200 × 200. Billet length is 12000mm
4	Billet weight for each	kg	2119.5
5	Discharge furnace temperature	ºC	1100~1200
6	Rated production capacity	t/h	100
7	Quantity of heat exchange burner sleeve	pcs	57
8	Fuel type		Natural Gas
9	Low calorific value of fuel	kJ/m3	Natural gas 8600 × 4.18,
10	Charging temperature	ºC	Cold charging: normal temperature
11	Oxidation burning damage	%	<1%
12	Rated consumption of natural gas	m3/h	3300-3600
13	Air consumption	m3/h	37950-41400
14	Fume volume	m3/h	43600
15	Heating modes and burners		Heat exchange type burner, Upper, lower and end wall separately arranged and have separate burner, adjustable proportional valve , air heat exchange, natural gas heat supply
16	Type of heat exchanger		High efficient heat transfer, mechanical smoke exhausting, heat transfer area 1200-1500 is m2
17	Heat transfer temperature	ºC	350~600
18	Driving mode of walking mechanism		Hydraulic pressure
19	Walking parameter	mm	Stride length: 187.5-250(adjustable) Height: ascend 100, descend 100
20	Walking cycle	sec	36

 

Certifications

 

 

Company Profile

Xi'an Hani Tech Co.,Ltd.

Hani Tech is a Hot Rolling Mill manufacturing company working mainly in the area of bar and wire rod mills, high-speed wire rod mills, high-speed rebar rolling mills, TMT rolling mills, flying shear, cold strip rolling mills, reheating furnaces, induction furnaces, intermediate frequency furnace, electric arc furnace, Ladle refining furnace, blast furnace, continuous casting machine.
And we also provide all the parts for roughing rolling mill, and intermediate rolling mill process, including pinch roll, flying shear, cold shear, crop shear, gripping shear, and wire rod mill laying head, all of these crucial parts work extremely precisely and reliably.
It is a technology-intensive product that combines modern rolling mill techniques with machine electron, hydraulic, pneumatic, and instrument. Only a few countries in the world can offer complex, high precision ,and difficult technology.
We can supply designing, manutacturing, installation, and commissioning for your requirements about rolling mill plant with "turn-key" service. And from the initial conception of the plant, Hani is the one-stop supplier able to design, manufacture, install and commission your hot rolling mill plant from A to Z.
In order to further develop the international market, we have successively set up three overseas offices: Dubai Office of the United Arab Emirates, Yangon Office of Myanmar, and Tehran Office of lran.