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|Home||» Products||» Dust Conveying System||» Unloader||» YJD Unloader|
By keeping track with market development, we are engaged in providing YJD Unloader. This product is used at the discharge port of the unloader working under negative pressure. This product is precisely manufactured making use of high quality factor inputs and ultra-modern techniques according to the set industry parameters. The given product is precisely designed with high precision to meet the set industry quality norms. YJD Unloader is available in assorted technical specifications as per the needs of our customers.
Our offered YJD Unloader is used at the discharge port of the unloader working under negative pressure. The upper part receives the material discharged by the unloader and the rotating impeller acts as a conveyer and is also responsible for sealing to prevent the discharge. During the pneumatic conveying process, the air is sucked from the discharge opening and plays a significant role in the cleaning work.
This unloader is commonly used in the pneumatic output system. For pressure output system or negative pressure output system, the unloader can feed the feeding pipe evenly and continuously. In order to ensure that the gas and solids in the pneumatic output pipe are relatively stable, the pneumatic transmission can work normally, and at the same time, the gas pressure of the upper and lower parts of the unloader can be cut off. Therefore, unloader is an important component commonly used in pneumatic conveying systems.
When the material in the upper silo falls and fills in the gap between the blades, it is discharged in the lower part of the unloader as the blade rotates. So, the unloader can discharge quantitatively and continuously.
The temperature of the material it transports is up to 280 °C. Both the ends of the bearing and the impeller are isolated, to prevent contact with the ultra-fine powder and the bearing. At high-temperature the unloader can convey material of up to 500 °C, using sprocket connection.
Composition and alias
The structure is usually composed of a rotor blade, housing, a seal and a speed reducer, an electric motor, etc. The star unloader is also called a rotary feeder, a lock valve, and a discharge type valve, star feeder, etc.
The star unloader can be used in the collection of material systems, as a hopper discharge device. It is currently the most advanced unloading device in the country and is often used as one of the most important equipment of the de-dusting system. It is particularly suitable for dust, small particles, and is preferred by engineering projects in the industrial sectors such as environmental protection, metallurgy, chemical engineering, grain, cement, road construction, and other industrial engineering projects.
Star unloaders are divided into three types: ordinary type, pressure type, and high-temperature resistant type.
The star unloader device is the main equipment for the dedusting equipment ash discharge, air supply, and other equipment feedings. It is suitable for powdery materials and granular materials. For environmental protection, metallurgy, chemical, food, and other industries use the unloader extensively.
Star unloaders are also known as rigid wheel feeders, star feeders, airlocks, rotary feeders, etc. and are widely used in building materials, metallurgy, and chemical industry, electric power and other departments for various types of dust removal equipment.
Bucket unloading device, which depends on the gravitational effect of the material and the forcible action of the feeder's working mechanism, discharges the material in the bin and feeds it continuously and uniformly to the next device. It can also be used as a variety of grinding machines, hoppers and other equipment is suitable for drying powdery and small-sized materials. According to the required unloading capacity, there are various models of unloading ash valve. The minimum is YJD-02 and the commonly used is YJD- Type 06 and Type YJD-16.
The unloading device is divided into three parts: motor, cycloid deceleration, and dragon-type unloading valve.
Common problems and failures