Dhanaprakash Industrial Corporation

Kupwad, Sangli, Maharashtra

We offer core driers. no bake, co2 sand, shell cores drying after painting. slat conveyor-tunnel, trolley-tunnel, overhead pallet etc. automated systems. core handling minimized. plc controlled. gasoilelectric heating.

Flaskless, Flask, Cement Sand, No BakeMoulds quickly uniformly dried.Online, Tunnel, Portable custom designedmodels.GasOilElectrical Heating.PLC Controlled.Mould strength unaffected.

MECHANICAL SAND RECLAMATION SYSTEM

• Chemically bonded foundry sand after metal pouring can be partially or fully reclaimed for reuse.
• Mechanical sand reclamation.
• Thermal sand reclamation.

After knockouts Sand lumps are fed to a lump reducer Vibraclaim where due to vibratory gyratory motion lumps abraded with each other to release the original sand grain.
The abraded sand grains and fines are then fed to classifier, where mixture is fluidized to remove fines.If sand lumps are hot water cooled tubes are used to cool the sand.Dust collection system collects all fines which are disposed off.Above system is used for mechanical reclamation system. for small foundries.

THERMAL SAND RECLAMATION

• Chemically bonded foundry sand after metal npouring can be partially or fully reclaimed for reuse.
• Mechanical sand reclamation.
• Thermal sand reclamation.

When sand to metal ratio is high and total quantity of sand replenishment goes high thermal sand reclamation is used to eliminate the waste sand and stop buying new sand thus double environment impact.

The thermal reclamation starts with mechanical reclamation. The mechanically reclaimed sand is pass through calciner to burn off the chemicals to get reclaimed sand which is better than new sand.

This technology is suitable for:

• Nobake sand
• Cold core sand
• Shell sand

The solution treated aluminium products are further subjected to precipitation Harding. Some products are directly aged. Sealed trolley Ovens are used with electrical / LPG heating system with forced draft recirculation for long time provides Ageing of the materials.

Cooling Is EQUALY Important as Heating

Submersible Agitator is a key equipment for Quenchant Tank Agitation in Heat Treatment process. The Airless agitation with 0.5-2.0 m/sec. velocity resulting in 800⁰ C/min hot job cooling rate achieves the required properties. The Submersible Agitators are any time removable equipment, not only agitates the quenchant but offers high thrust on hot jobs, due to which vapour blanketing is instantly broken (or do not allow) and heat is dissipated at tremendous rate. It is used for Water, Water Polymer and Oil Quenching Tanks very effectively.

The performance parameters of the submersible agitators are shown in the following table with the rated voltage of 415V and the frequency of 50Hz. However special agitators with 380V 60 Hz or other supply conditions are available on request.

Quenchant- Water, Oil, Polymer.

Cooling Rates- 800 c/min.

Velocity- 0.6 m/sec.