Working process of sand dryer:
Stage: The material is fed by a disc feeder onto a belt conveyor, transported by the conveyor to the sand pipe passing through the hot air furnace, and then enters the main cylinder of the three return dryer through the sand pipe. Under the action of fixing the mixing impeller and blades in the inner cylinder, the sand is pushed forward to reach the other end of the three pass dryer.
Phase 2: After reaching the other end of the three return dryer, the material is blocked back to the middle cylinder. At the discharge end, the middle cylinder is longer than the inner cylinder and connected to the baffle. Similarly, under the action of the blades, the material rotates back to the feeding end in the middle cylinder. /Supply of second-hand sand dryers

1、 The volume of the dryer is too small

If the volume of the dryer is too small, but a large amount of material must be dried, the water output rate of the material will not meet the standard. The heat source device installed inside the dryer equipment is not sufficient to dry the moisture of the material, and users can only choose to forcibly increase the temperature of the heat source device. The quote for the ceramic sand three cylinder dryer today is that the material can be dried later. If you want to increase production and increase the heat source, the end result will be combustion inside the drying drum. Therefore, if a large amount of drying materials is really needed, please choose a large-sized drying equipment to process the materials.

2、 Is the dryer good

If the drying is not good, combustion may also occur. Drying equipment is usually sealed to dry materials. If there is a problem with the sealing, it may be due to the design of the drying drum or excessive ventilation. The dryer equipment is equipped with a ventilation system inside. If the ventilation volume is too large, the fire inside the dryer equipment will spread in the wind. If the fire is too large, it will cause the material inside the drum to burn, resulting in a large amount of material being burned. Therefore, when testing newly purchased drying equipment, it is necessary to check the sealing condition and whether the installation meets national standards. Only when the equipment is confirmed to have no quality problems after inspection can it be used normally.

3、 Drying materials cannot be sent away in a timely manner

If the materials inside the dryer cannot be sent away in a timely manner, it can also cause material combustion during drying. When the internal heat source of the dryer equipment reaches a certain temperature, the moisture contained in the materials will be drained. If the moisture content of the material drops to a very low level and cannot be sent out, the material will continue to absorb heat, and its temperature will become higher and higher. When the material absorbs a certain amount of heat and reaches the combustion point, it will catch fire. The Nanping three tube dryer may cause a major fire. Therefore, when drying materials, it is also necessary to regularly check the inside of the dryer to see if the materials are flowing normally. If the flow rate is too slow, the feeding should be reduced, and the feeding can continue only when the materials are flowing normally.

Long term sale of second-hand river sand dryer and second-hand three cylinder dryer. Application scope: It can dry river sand, dry mixed mortar, yellow sand, cement plant slag, clay, coal gangue, mixture, fly ash, gypsum, iron powder, limestone and other raw materials. It is widely used in building materials, chemical industry, casting and other industries. Brief description: Mainly used for drying materials such as fly ash, slag, sand, coal, iron powder, ore, and blue carbon.

1. Cylinder body; 2. Front roller ring; 3. Rear roller ring; 4. Gear; 5. Roller blocking; 6. Dragging roller; 7. Small gear; 8. Discharge section; 9. Yangban; 10. Gearbox; 11. Motor; 12. Hot air duct, 13, feeding chute; 14. Composed of furnace body and other parts. In addition, gas generators, combustion chambers or supporting elevators, belt conveyors, quantitative feeders, cyclone dust collectors, induced draft fans, etc. can be designed according to user needs.

Supply of second-hand sand dryers

It can dry raw materials such as river sand, dry mixed mortar, yellow sand, cement plant slag, clay, coal gangue, mixtures, fly ash, gypsum, iron powder, limestone, etc. It is widely used in industries such as building materials, chemical industry, and casting. Brief description: Mainly used for drying materials such as fly ash, slag, sand, coal, iron powder, ore, and blue carbon.

A sand dryer, also known as a river sand dryer, yellow sand dryer, or quartz sand dryer, is a type of drying equipment that processes large amounts of materials. It is reliable in operation, flexible in operation, adaptable, and has a large processing capacity. River sand dryer is generally suitable for granular materials. Especially for drying sand, river sand, quartz sand and other drying effects. The advantages of the river sand dryer are high production capacity, wide applicability, low flow resistance, large allowable fluctuation range in operation, and convenient operation. Commonly used for drying river sand, artificial sand, quartz sand, mineral powder, coal slag, etc.

The maintenance and upkeep of equipment is an extremely important and regular task, which should be closely coordinated with the operation and inspection. There should be dedicated personnel on duty to conduct inspections.

1. When the dryer is transported from the manufacturer to your production site, you should first conduct a routine inspection of the dryer to check whether it is the type of machinery you purchased and whether there are any problems such as damage or inability to use during transportation. If any problems occur, you should immediately take photos and contact the manufacturer.

2. Before installing the dryer, you should determine its installation location. The selection of the dryer installation location should consider the transportation channel, raw material turnover, water inlet, steam inlet, and drainage pipeline positions. Here, we remind you that the dryer should be installed together with the dehydrator, dryer, and other equipment to reduce the distance between these devices and prevent various troubles caused by improper location selection.

3. The dryer is one of the drying equipment with a large volume and heavy weight, so the machine should be installed on a solid foundation and kept horizontal to prevent large vibrations during equipment operation due to uneven foundation and location selection, which may affect drying efficiency and the service life of the dryer.