Zinc Kettle Zinc Pot Zinc Tank

When heating the zinc pot, the heat provided is mainly used to heat the workpiece, lifting tools, compensate the heat dissipation of the zinc bath surface and the hot-dip galvanizing furnace. The heating intensity of the zinc pot is not only related to maintaining the normal working temperature of the zinc bath, but also an important factor determining the life of the zinc pot. The heating intensity of zinc pot wall shall not exceed 24kW ／ ㎡. It should be emphasized that the heating strength limit value mentioned here not only limits the average heating strength of the whole zinc pot wall, but also limits the heating strength of each part of the zinc pot wall. Local over erosion of many zinc pots is not caused by the problem of zinc pot materials, but by local overheating. At the inner wall of the zinc pot where local over erosion occurs, the actual temperature reaches the temperature where iron dissolves at a high speed in the zinc liquid. At this temperature, the iron zinc alloy layer that plays a protective role breaks and falls off, and the diffusion reaction between iron and zinc accelerates, so does the erosion of the inner wall of the zinc pot. Local overheating may be caused by uneven heating. The reasons for uneven heating can be found from the structure of the hot-dip galvanizing furnace, the design and operation of the heating system, etc; In addition, excessive accumulation of zinc slag at the bottom of the pot or zinc ash on the surface of the pot is often an important reason for uneven heating. At the dead corner where the ash is accumulated, the free convection of the zinc liquid is blocked, and the heat from the heat source cannot be quickly taken away by the convection of the zinc liquid, which causes the temperature of the inner wall of the zinc pot to rise in these places, causing local overheating.When the workpiece is put into the zinc pot, the workpiece absorbs the heat of the zinc liquid to raise the temperature, and the temperature of the zinc liquid will drop. The heat provided by the cooling of zinc liquid is in balance with the heat absorbed by the workpiece when it is heated. In order to maintain the temperature of zinc liquid at the normal galvanizing temperature, the zinc liquid in the zinc pot must have enough heat capacity, that is, the zinc pot must have enough zinc capacity. Generally speaking, the zinc content of the zinc pot shall be 30~40 times more than the weight of the internal components put into the zinc liquid every hour; That is, the production capacity of the zinc pot shall be calculated by the output per hour, and shall not exceed 1/40-1/30 of the zinc pot capacity.

We use special steel plate as raw material to ensure that the composition of steel plate is corrosion resistant to liquid zinc; Steel plate boiler specialmaterials zinc are low Si, low C, with a suitable amount of Mn, steel construction can welding. The zinc kettle can fight the collision of zinc, and can withstand high temperature.  

The zinc kettle life is decided by the iron loss is related to the loss of iron zinc boiler temperature and life 

At the same time, we have nearly 30 years of welding experience to ensure that the weld fully meets the secondary pressure vessel standard。

So far, our Galvanizing kettle L9m*W1.2m*H2.5m in Jiangsu China have used 7 years, from 2009.05.01-2016.10.12。

Boiler zinc:

438 ° C: 14;years

450 ° C: 10;years

460 ° C: 8years;

480 ° C: 6;years

Thickness: 50mm，60mm

We are professional manufacturer for galvanizing kettle, can provide high quality product for you, welcome inquiry.