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Telescopic Chute Types and Configurations

 

Depending on process requirements and physical properties of product, telescopic loading chutes are available with extensive range of chute configurations. Proper selection of configuration is essential for efficient and dust-free loading.

 

 

Single Outer Bellow

Single outer bellows provide economical solution for low dust content, granular material loading operations. There exists one chute that maintains the confined region in the system. Product flows downward through this chute and any dust is collected upwards within the same region.

Telescopic Loading chute with single outer bellow fabric

 

 

 

Double Bellows

There exists one outer bellow and one inner bellow in this configuration. Product flows through the inner chute downwards and dust is collected through the region between two chutes upwards. As two opposite flows are separated, product loading capacity and dust collection efficiency are increased. The dust collection system is connected to the region between two chutes. Collected dust is sent back through this region again.

Double bellows inner and outer loading chute for dust collection

 

 

 

Single Outer Bellow With Internal Wear Cones

Wear cones are used to protect bellows from abrasion caused by flow of bulk solids. They are installed at the center of loading chute. Main stream product flow is separated from chute by wear cones. Flowing material does not have contact with chute fabric. Depending on the physical properties of product different type of wear cones are available. While carbon steel cones are suitable for wide range of bulk solids, hardox steel cones are needed for highly abrasive materials. For food products and corrosive materials stainless steel cones are preferred. In high temperature loading applications, wear cones serve as a heat barrier to protect chutes.

Single outer loading bellow with wear cones abrassion resistant loading chutes

 

 

 

Double Bellows With Internal Wear Cones

Inner bellows can be used to cover internal wear cones. This design both protects bellows from abrasion and provides efficient dust collection with rapid product loading. Bulk material flows through the wear cones inside the inner chute downwards and dust is collected through the region between two chutes upwards.

Double bellow with abrasion resistant wear cones bulk solid loading chutes

 

Loading Chute Selection Chart

Following chart can be used to determine possible loading chute configurations for different applications and conditions.

 

Loading chutes bellow type selection chart diagram

 

 

Heavy Duty Loading Chutes

 

 

Single Loading Chute

Telescopic loading chutes are used for high capacity and/or high temperature powder loading to trucks, ships and stockpiles. They are composed of large diameter telescopic steel pipes controlled by winch mechanism. These pipes are used to provide large inner space for easy discharging of powdered material and isolate it from the surroundings.

Telescopic chute loading spout pipe

 

 

 

Single Outer Chute With Internal Loading Chute

An outer chute is used in this telescopic chute configuration to provide closed containment. Any dust leakage is prevented during material flow. Dust collection system connected to flexible dust skirt at the bottom are utilized capture fugitive dust.

Telescopic loading pipe outer loading dust collection chute

 

 

 

Loading Chute With Double Dust Collection Bellows

For high capacity loadings of high dust content materials, flexible dust skirt size is increased. Two bellows are installed at the sides of telescopic chute piping. These two bellows are used to collect higher dust content. Large scale jet filter type dust collection systems are used to prevent any dust emission to the environment.

clinker loading telescopic chute with double dust collection bellows

 

 


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