Function: Used to collect zinc smoke generated during galvanizing and process it to meet emission standards.
Location: Environmental Protection Zone.
The flue gas generated by the reaction between the plating aid and zinc solution will be collected by a collection hood and treated by a bag filter before being discharged. This system is divided into two parts: collection and treatment:
The first part is collected by adding a top side suction port on the bottom side of the zinc smoke collection hood
The equipment is a smoke and dust collection hood used in an end-to-end hot-dip galvanizing production line. Its main function is to be used in conjunction with a dust collector,
Create a closed negative pressure space in the zinc pot area to effectively collect zinc smoke.
The zinc smoke collection hood is classified by function and mainly consists of the following parts:
The second part is the processing section, including pipelines, dust collectors, and fans, used for flue gas treatment and emissions.
(1) The filter bag cleaning adopts the automatic pulse compressed air blowing method, and the pulse cycle can be automatically set according to the filter bag grade
Adjust. Compressed air is blown in through nozzles inserted into each filter bag.
(2) After filtering and drying, the compressed air is connected to the pulse blowing valve group.
(3) The filtered dust is shaken down by compressed air to the conical discharge port and continuously collected into the recycling bin, and then according to the
The dumping of environmental protection regulations.
(4) The main advantages of bag filter dust removal method are:
High dust removal efficiency;
The scope of dust collection has been expanded, with no secondary pollution and no generation of secondary media treatment;
The main components of collected dust are ammonium chloride and zinc chloride.
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Function: Used to collect zinc smoke generated during galvanizing and process it to meet emission standards. Location: Environmental Protection Zone. The flue gas generated by the reaction between the plating aid and zinc solution will be collected by a collection hood and treated by a bag filter before being discharged. This system is divided into two parts: collection and treatment:
The acid mist collection adopts a fully enclosed acid mist collection system, which uses a fan to create and maintain a slight negative pressure between the entire system and the outside world, preventing the escape of acid mist. At the same time, by optimizing the arrangement of exhaust and intake ports, a good collection flow state is formed in the entire enclosed room, efficiently and quickly collecting acid mist, reducing dead corners. After collection, it is transported by a fan to the acid mist purification tower outside the enclosed room for absorption and treatment.
Rinsing water is mainly produced in the cycle rinsing process and floor rinsing, which is acidic and contains high levels of ferrous and zinc ions. It is treated by oxidation, neutralization, precipitation, and filtration processes, and the generated iron sludge is transported outside. All the standard clean water is reused in the rinsing tank to achieve zero discharge.
