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The Classification of En Masse Conveyor ( Buried Scraper Conveyor )
Author :
Yiyun
Buried - scraper conveyors are widely used in various industrial fields for their excellent conveying performance. They can transport powdery, granular and small - block materials in a closed casing. According to different standards, buried - scraper conveyors can be classified as follows:
Classification by Trough Arrangement and Structure
- Parallel - type: The troughs are arranged side by side, which can transport multiple materials at the same time or increase the conveying capacity. It is often used in occasions where parallel conveying or material shunting is required.
- Overlapping - type: The troughs are overlapped up and down, which can save space and is suitable for occasions where the site is narrow but multi - layer conveying is required.
- Open - bottom Trough: The bottom of the trough is open, and the material can be discharged from the bottom. It is suitable for the process of unloading materials during transportation or connecting with other equipment.
- Closed - bottom Trough: The bottom of the trough is closed, and the material can only be discharged from the end or side outlet. It has good sealing performance and can prevent material leakage. It is suitable for transporting materials with large dust, toxic and harmful or valuable materials.
Classification by Traction Chain Structure
- Lamellar Sleeve Chain: It is composed of multiple lamellar chain links connected by sleeves. It has a compact structure and smooth transmission, and is suitable for buried - scraper conveyors with medium and small power.
- Detachable Drop - Forged Chain: The chain links are made by drop - forging process, with high strength and wear resistance, and can bear large pulling force. It is often used in buried - scraper conveyors with high - power and long - distance transportation.
- Welded Round - Link Chain: It is composed of welded round - links, with a simple structure and low cost, but relatively low strength. It is suitable for occasions with short transportation distance and light materials.
Classification by the Number and Arrangement of Chains
- Single - chain: There is only one chain, with a simple structure and low cost, but the conveying capacity is relatively small, which is suitable for occasions with small conveying capacity.
- Double - side Chain: There is a chain on each side of the trough, and the scraper is connected between the two chains. It has a large conveying capacity and stable operation, and is suitable for the situation of medium - sized conveying capacity.
- Double - center Chain: The two chains are arranged in the center of the trough, and the scraper is connected to the two chains, which can improve the stability of the scraper and the conveying efficiency, and is suitable for occasions with high requirements for conveying accuracy.
- Three - chain Scraper Conveyor: There are three chains, and the scraper is connected to the three chains. It has a large conveying capacity and can transport materials with larger particle size and heavier weight, but the structure is complex and the cost is high.
Classification by Drive Mode
- Electric Drive: The motor drives the reducer, and then the reducer drives the scraper chain to move. It has the advantages of high transmission efficiency, convenient control and stable operation, and is the most commonly used drive mode.
- Hydraulic Drive: It uses the pressure energy of the liquid to transmit power, and drives the scraper chain through a hydraulic coupling or a hydraulic motor. It has the advantages of overload protection, smooth starting and stepless speed regulation, but the transmission efficiency is relatively low and the cost is high.
Classification by Conveying Direction
- Horizontal Type (MS Type): It can be arranged horizontally or with a small inclination, and the inclination angle is generally 0°≤α≤15°. The length of a single - unit equipment shall not be more than 80m. It is suitable for the horizontal transportation of general materials, and can be fed or unloaded at multiple points.
- Vertical Type (MC Type): It can be arranged vertically or with a large inclination, and the inclination angle is 45°≤α≤90°. The conveying height of a single - unit equipment is not more than 30m, which is suitable for vertically lifting materials or transporting materials at a large - angle inclination.
- Z - type (MZ Type): It can only be arranged vertically and horizontally, with a conveying height of ≤20m and a total length of the upper - horizontal part of ≤30m. It is mostly used in occasions such as feeding silos and coal feeding in boiler houses.
Classification by Power
- Light - duty: The rated power is 75KW or less, which is suitable for occasions with small conveying capacity and short conveying distance.
- Medium - duty: The power is greater than 75KW and less than or equal to 160KW, which can be used for medium - sized conveying capacity and conveying distance.
- Heavy - duty: The power is greater than 160KW, which is suitable for large - scale factories or mines and other occasions with large conveying capacity and long distance.
En masse conveyor,Buried scraper conveyor
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