Horizontal Cooler

Product Structure:

This equipment is a drum type rotary cooling equipment, which is mainly composed of the following parts:

1. Feeding unit (powder sieving)

2. Cylinder cover, drum, wet outlet, air inlet and discharge outlet.

3. Transmission unit

4. water cooling system

5. Atomization unit (only for nice foundry sand)

   Transmission unit: variable frequency motor, variable frequency control. Tire drum drive and pinwheel drive.

   Cooling methods: water cooling, air cooling, spray

   Spray system: exclusive patent technology. atomization effect controlled automatically according to sand temperature to ensure outlet sand temperature.

   Sand temperature detection system: equipment speed and spray system switch are controlled by PLC according to inlet and outlet temperature feedback.

Advantages of cooling equipment are explained as follows:

I. Technical parameters of the main cooling parts:

   1. cooling fan: 0.75KW*1, drum air volume: 9300 m /h (inlet blowing)

                           0.37KW*1, blowing volume: 2008 m³/h ( top dissipation)

   2. top heat dissipation plate: punched holes plastic board ( hot air been exhausted through top heat dissipation fan).

   3. atomization system: self-priming pump ( flow: 1 m³/h, lift 15m)

   4. spraying system: pipe DN 40, water amount 30m³/h(water pump 50m³/h)

   5. conveyor roller drum: diameter 1600mm (drum speed 13r/min, variable frequency control speed)

       Disconnect spiral structure inside drum. 1/3 of sand raised by the drum falls on the other side of the spiral line, while 2/3 falls back to the inside of the           spiral line, which increases the travel of molding sand in the drum. At the same time, sand are mixed evenly which makes full cooling effect. In addition,         the disconnect spiral structure reduces the weight of the equipment and enables the molding sand to travel about 110 meters.

II. Calculation of cooler performance:

    Molding sand transfers heat to roller drum wall during convey. Spray system takes heat away through heat exchange to reduce temperature. Conclusion      obtained after calculation of heat exchange and specific heat capacity.

    The spray zone completely reaches the heat dissipation of the molding sand cooling temperature, and adds cooling methods of air-cooling system and         variable frequency control roller speed. The cooling effect is fully achieved.

III. Site data acquisition:

    According to site situation, sand temperature is monitored and tested. The following pictures shows a real-time monitoring of sand temperature drop in      a certain period of time on a customer site. Inlet sand temperature is 116℃, and outlet sand temperature is 23.3℃.

Product structure advantages:

1. The equipment integrates cooling, conveying and dust removal. Through water cooling, air cooling and our company's patented atomized automatic cooling system (according to sand selection)to control the atomization effect according to the sand temperature. After triple cooling, sand temperature and dust removal efficiency are ensured.

2. Strong cooling capacity and large amount of transportation. Maximum conveying capacity can reach 30m³. Inside is equipped with a variety of spiral structures. Sand can be fully operated in the drum and can be cooled down from 150 to below 50 degrees Celsius.

3. High efficiency and energy saving. Less investment: horizontal cooler as the main cooling machine in sand treatment system, and compatible with the intermediate sand store, intermediate transportation, which saves investment of equipment.

Model Selection and Technical Parameters:

(Note: the specific model is based on the actual design.)