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High Speed Pulse Heating Uniform Heating Zinc Tank Automatic Heating System

1 set
High Speed Pulse Heating Uniform Heating Zinc Tank Automatic Heating System
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Condition:: New
Automatic Grade:: Automatic
Application:: Resin, Paint, Glue, Silicone Oil, White Latex, Etc
Certification:: CE, ISO, SGS
After-sales Service Provided:: Engineers Available To Service Machinery Overseas
Place Of Origin:: Jinagsu, China (Mainland)
Basic Infomation
Place of Origin: china
Brand Name: xly
Certification: CE, ISO, SGS
Payment & Shipping Terms
Packaging Details: standard export packing
Delivery Time: 90days
Payment Terms: L/C, D/A, D/P, T/T
Product Description



High speed pulse heating uniform heating Zinc tank automatic heating system






Main production galvanizing tank line:



1.Galvanizing tank

1.1According to the geometry size and output demands of workpiece galvanized, the size of galvanizing kettle (length × width × depth × thickness × edge width), round bottom and round corner, determination of zinc capacity tonnage,Calculate total weight tonnage (with the reinforcing steel bar required of the zinc pot side), the material of it is XG-08. )


1.2Fabrication standard:

①The material for bend and intension part should has no laceration mark, all the welding crack should be nature, flat and straight, mechanical force to correct it is not allowed.

② The welting crack layout and material joint should execute JB/ZQ4000.3-86 butt-joint and welding assess standard of Republic of China.

③ Welding crack testing execute JB4730-94 pressure vessel non-destructive standard of Republic of China.)


2.Galvanizing tank heating

2.1 Technical parameters of Galvanizing furnace

The system consists of heating furnace, burning system, control system and so on. Heating energy for Furnace heavy oil Or natural gas, automatic control of fuel flow, better control of the temperature in the furnace so that the temperature of zinc liquid more uniform stability.).

2.2 Demension

According to the geometry size and output demands of workpiece galvanized, the size of galvanizing kettle (length × width × depth × thickness × edge width),For example:Galvanizing tank 7000×1200×2200mm(L×W×D),Furnace body(rough):9000×3200×1800mm


2.3 Technical parameter

Zinc liquid working temperature (℃) 435-450 ±2;

Furnace (flue) temperature(℃) ≤650;

Furnace wall temperature (℃) ≤50;

Temperature fluctuation tolerance (℃):±2

Heating uniformity of furnace body (℃) :±2

Number of burners (unit) : 2units ,450KW/units,Consumption: 30 kg / hour


2.4 Others parameter

All the explosion-proof lamps lighting tunnel)


2.5 Technical performance)

For example:Galvanizing tank 7000×1200×2200mm(L×W×D)

9000×3200×1800mm(Furnace body(rough):9000×3200×1800mm

Production capacity: 20000 tons / year

Zinc capacity in the tank: 282 tons)

Working temperature of zinc liquid :435-450 ℃

Furnace (fire tunnel) temperature :580 - 620℃

Full power temperature rising speed: 60 ~ 200 ℃/h , can be adjusted automatically according to setting curve

Smoke way: using a smoke exhaust fan, according to furnace pressure, AC frequency control speed.


2.6  Main parts of the furnace

a.Steel structure for the furnace

Including furnace shell, fire resistant cotton module, fire blankets, and other materials

b. Furnace structure:)

The structure of the furnace side wall: the bottom of the furnace body and the inner cavity of the standard brick masonry, with 6mm thick steel plate welding furnace shell in structure, the cavity between the stove plate is filled glass fiber, the furnace shell is made of steel reinforcement. 


Furnace structure: set the high speed burner at both ends of the unilateral diagonal arrangement of galvanizing tank, smoke extraction method using the bottom of the central smoke.

The pressure relief device is designed for the smoke tunnel and the furnace wall, which can quickly relieve the pressure of the furnace. )

The galvanizing tank is supported by a steel structure pan to control the deformation .)

Set the zinc leakage alarm device, and the zinc leakage collection pit.)



3.Temperature control system

3.1The temperature of the furnace is measured by the thermocouple and the setting temperature of the PLC (or temperature control meter) is compared with the PID operation of the temperature control meter (or PLC), and the corresponding pulse signal is output to control the air valve of each burner.


4.Air route design system

The use of exhaust gas to heat the coming air, fuel costs can be reduced by 10%.



5.The automatic control system for galvanizing furnace

The basic automation system of the furnace includes two parts: instrument automation and electrical automation. It is composed of man-machine interface (HMI), PLC, field instrument, temperature controller, flow control valve and so on. The control system is divided into two modes: manual and automatic.





Based on the characteristics of hot-dip galvanizing process design,the pricinple like this




High speed pulse heating, uniform heating, high thermal efficiency, extend the life of zinc tank.


Heating control system, the whole process of real-time data monitoring, fault diagnosis, alarm. Save zinc liquid 20%


The use of exhaust gas to heat the coming air, fuel costs can be reduced by 10%.





The stove is divided into 2 zones, two K type thermocouple, one is temperature control thermocouple, another is for the detection and comparison of this area; the galvanizing tank has two K type thermocouple to detect the temperature of zinc liquid. the control function is to control the furnace temperature to get right temperature of zinc liquid, when the temperature of liquid zinc temperature close to the target temperature, the system automatically enters the cooling or warming state mode (automatic correction of furnace set temperature), the temperature of zinc liquid slowly close to the target temperature, effectively prevent the inertia effect of temperature. On the other hand, when the temperature of zinc liquid starts to drop, and the temperature is lower than certain temperature range, the system will automatically switch to the heating mode (the furnace temperature is automatically corrected) and repeat the above process. The whole control system is supplemented by furnace pressure control, fuel pressure and air pressure control.

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