Venturi Preconcentrator
Number of devices: 1 set
Equipment function: Use the heat of the reaction gas of the roaster to heat the waste acid from the pickling line to increase
the concentration of waste acid and reduce the dust content in the flue gas.
Structure: one-piece structure, using four nozzles to feed acid along the tangential direction around it
Advantages: simple and reasonable structure, short manufacturing cycle, convenient installation, stable operation, and
convenient long-term maintenance
Medium composition:
Liquid phase: concentrated waste acid (composition: HCl-50-170g/l, FeCl2-350-410g/l, FeCl3-30-70g/l, 95°C-100°C)
Gas phase: combustion exhaust gas (including: HCL steam, water vapor, nitrogen, carbon dioxide, a small amount of oxygen)
; iron oxide powder. Import: 380°C-460°C, Export: 83°C-95°C.
Main parameters and materials:
Diameter: 700mm
Height: 610mm
Housing: Titanium-pladium Alloy Gr7
Immersion tube:Titanium-pladium Alloy Gr7
Spray Lance Nozzle Tube∣Nozzle Plate
Equipment Quantity: 3 sets
Equipment function: It is used to spray the waste acid concentrated by the pre-concentrator
into the roaster.
The main parameters:
Nozzle tube Length -- about 3170mm
Nozzle tube diameter--ø33/ø52mm
Nozzle tube pressure-460-500 Kpa
Nozzle tube hose--DN25, L=2600mm
Nozzle plate diameter--ø152mm
Nozzle flow--3.5l/min (0.4Mpa)
Number of nozzles--11-13/Nozzle tube
Plug Quantity--2-3
Main material:
Nozzle tube--Titanium Palladium Alloy/Niobium
Nozzle tube hose--EPDM/stainless steel wire mesh/PTFE
Nozzle plate - titanium palladium alloy / niobium
Nozzle tube casing—Titanium Gr7
Filter holder--titanium palladium alloy/niobium
Venturi Scrubber
Type: Dust Collector/Separator
Number of devices: 1 set
Separator Function: It is used to separate the Fe2O3 particles in the reaction gas of the
roaster and send them back to the roaster. Imported flue gas velocity: 15-20m/s, removal
efficiency: -50%
Scrubber function: used to wash the participating HCl and Fe2O3 in the flue gas.
Structural form: one-piece structure
Main Material: Titanium Gr7
