HBFL Automatic controlled machine for steel wire hot dip galvanizing production line

Production line design and manufacturing conditions

1,Low carbon steel wire: according to the corresponding low carbon steel wire hot dip galvanized and zinc aluminum alloy standard provisions.

2,wire diameter:1.2~4.0mm

3,Tensile strength: low carbon 450 N/mm2~550 N/mm2

4,Zinc layer thickness: galvanized 30~200 g/square meter

5,Production speed:D/V40~100;

6,Number of wires:40

7,Wire spacing: pre treatment 3mm;Zinc 35mm

8,Production line tooling length: 100m;

9,Heating energy: natural gas

technological process

H wheel winding → gas steel pipe heat treatment annealing → steel wire air cooling → temperature adjustment cleaning → pickling → water cleaning → coating aid plating → drying → hot dip galvanized pot → slanting upward wipe → cooling → water cooling → elephant trunk winding

Production line equipment overview:

1,pay off equipment

The pay off device of i wheel is composed of pay off frame and i wheel. The rotating part of pay off frame is designed with a tensioning and straightening device to control pay off tension.Use I shape wheel outside dimension nan800*600mm, single axis steel wire storage 300~1000 kg, steel wire walk smoothly.

2,Pay off i wheel has vertical and horizontal two forms, customers can choose the vertical structure or horizontal structure according to the actual production needs.

3,Natural gas heat treatment furnace:Multi point independent temperature control, proportional adjustment

Technical parameters:

1) the steel structure of the furnace body adopts the overall frame external dimension: L22000*W1300*H1500 (mm)

2) net width in the furnace: 1300 (mm), steel wire spacing in the furnace;32 mm;

3) fuel type: natural gas (calorific value: ≥1250 KCal)

4) contact pressure: normal 0.012MPa, fluctuation ≤5% pressure value.

5) contact pipe diameter: DN80

6) four sections of counter current furnace type assembly, direct combustion type and premixed type burner are used together to control the atmosphere and pressure in the furnace;

7) number of burners: 20 sets, maximum operating temperature: 800 ~ 1000℃

8) outdoor wall temperature ≤45℃

Technical description:

1) furnace structure: length 22m* width 1.3m* height 1.5m;

The shell of furnace body is welded with steel structure, the whole sealing performance is good, beautiful and practical;Four stage assembly reduces the time for on site installation and facilitates future maintenance.The column adopts square tube structure, which is not easy to deform, high strength and long service life.The furnace body is mainly composed of light and heavy insulation materials

Material insulation performance is good.Economical and reasonable furnace wall can minimize heat dissipation of furnace wall.The temperature of the outer wall of the furnace shall not exceed

45 ℃.The furnace arch adopts cast integral arch block with good sealing performance and long service life.

2) the heat treatment furnace adopts reverse flow open fire heating furnace type. The furnace body is composed of three sections. From the wire inlet, preheating section, heating section 1, heating section 2 and heating section 3 are respectively set.Each section heating is relatively independent, and mutual influence.According to the requirements of heat treatment process, the furnace temperature and atmosphere can be set in stages to meet the requirements of the process.

3) steel wire inlet and outlet furnace door of heat treatment furnace is designed with mechanical transmission device, which is easy to open and tightly structured to reduce cold air inhalation and fire.

4) heat treatment furnace adopts high efficiency and energy saving waste heat recovery device.The high temperature gas discharged from the furnace is recovered through the heat exchanger, which is used for the combustion air of the burner to improve the thermal efficiency of the furnace and save energy consumption

Increase 100℃ can save fuel 5%.

5) temperature control of heat treatment furnace

(a) the control system has manual and automatic control modes.The main control PLC adopts Siemens S300 series products to ensure accurate and stable control.

(b) the temperature and air fuel ratio of each section can be adjusted according to the process requirements.

(c) equipment features: open flame annealing furnace adopts multi burner heating on both sides, the heating temperature is uniform, the surface of steel wire is not easy to be damaged, the qualified rate is high, the temperature control accuracy in the furnace is high, below 1000° c, according to the stee

The actual condition of silk adjusts the temperature, stable and reliable.The two heating zones are made completely according to the heat treatment curve of steel wire, so as to ensure the complete transformation of steel wire in the furnace, stable temperature transition, pass rate of the rod up to more than 99%, oxidation burning loss rate of 0.145%, and transverse temperature difference in the furnace at ±2℃.

3. Temperature adjusting cleaning tank: overflow cleaning is adopted to remove sintered dust on the steel wire surface and adjust the steel wire cleaning temperature.Material of cleaning tank: 60*60*3 steel square pipe is lined with 3mm steel plate. Overall dimension of tank: 1300×800×1100 (mm)

Cleaning tank water pump: power 2.2kw *1 set

4, pickling tank: pickling is an advanced pickling technology, suitable

The steel wire should be cleaned quickly to meet the requirement of hot-dip galvanizing speed. The pickling system can ensure the reliable pickling efficiency, so that the steel wire can reach the clean surface before plating under the scouring of hydrochloric acid.The electrolytic pickling tank is made of high strength PP material.Acid concentration can be controlled according to process requirements.Dimensions of tank: 12000×800×1200 (mm) effective pickling length: 9000mm

5. Water cleaning tank: overflow cleaning method is adopted to clean residual impurities and acid liquid on the steel wire surface.The cleaning tank adopts 20mm

High strength PP material welding production.

Tank dimensions 1500×800×1100 (mm) circulating pump power: 2.2KW/380V

7. Primary assisted plating solvent tank: the assisted plating solvent tank adopts overflow circulation.The gas internal heating tube is used to heat the liquid, and the tank is welded with 316L stainless steel.

External dimension of tank 1500×800×1100 (mm)

Heating energy: natur

8. Primary drying furnace: primary drying furnace adopts residual heat heating of flue of zinc pot and forced hot air circulation system to dry.Drying furnace liner

Stainless steel structure.Equipment size: 5000×1400×1200 (mm)

Control temperature: 80 ~ 100℃ control mode: PID intelligent temperature control

9. Hot-dip galvanized pot:

(1) zinc pot: it adopts XG08 steel plate zinc pot with external gas heating structure. The zinc pot with heating system is installed on the top end of the zinc pot and opposite sides of the pot. The temperature of zinc liquid in the working area of the zinc pot is even

Energy.

(2) pot size: 4000×1300×750 (mm)

(3) temperature range: 440 ~ 460℃

(4) zinc pot melting amount: 28 tons

(5) number of burners: 2 sets (diagonal layout)

(6) heating energy: natural gas

(7) zinc pot line pressing roller: the line pressing roller is made of nitride ceramic, the line pressing roller assembly is made of inverted structure, the line discharging Angle can be adjusted at will, the reduction ratio of reducer is 60:1

10. Coating wiping:

(1) asbestos wipe

(2) zinc coating 30 ~ 300 g/m2,

11. Cooling after plating:

Steel wire after wipe must be quickly cooled, it is the control of steel wire plating alloy layer thickness, improve the coating firmness and steel wire surface finish of the key process.Vertical plating steel wire cooling with two water spray device, oblique plating steel

Wire cooling with overflow water spray device.Cooling water adopts circulation facilities to save water resources.

12. Trunk winding

Main country:

USA , Mexico , New zealand , Russia , Italy , Turkey , Philippines , Singapore,Kuwait,Thailand , Albania , Tanzania , India and Trinidad and Tobago , Australia Uzbekistan , Kazakhstan , Kuwait , Malaysia , cambodia , vietnam , Myanmar, Algeria , Kenya , South Africa , Swaziland , Mozambique , United Arab Emirates , Oman , Japan.

Q:what is the delivery time?

A:We have the machine in stock.

Q:how many workers need for the machine?

A:Only one.

Q:what is the voltage of the machine?

A:The voltage of the machine can be customized as your local.

Q:what is the width of the machine

A:2-6m width.

A:if you want to know more information to the machine, pls inform me,I will try my best to support you.