Scraper Conveyors

In challenging bulk handling environments, especially those involving dust control or vertical lifts, a scraper conveyor offers distinct advantages over a standard belt conveyor. Shanghai Yingyong Machinery Co., Ltd (SYM) designs robust drag conveyors engineered for high-availability performance in the fertilizer, chemical and mining industrial.

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Description

Our MS (Horizontal), MC (Vertical), and MZ (Z-type) series scraper conveyors move materials through a fully enclosed casing, utilizing the internal friction of the material itself to form a continuous flow. This "en-masse" principle is ideal for protecting sensitive granules while maintaining a clean workspace.

Applications

Fertilizer Industry: Handling granular NPK and DAP with moisture content ≤5%.
Mining & Metallurgy: Transporting ores and tailings with high abrasive resistance.
Cement & Construction: Vertical transport of raw meal and cooled clinker (special heat-resistant chains available).

Key Benefits

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Corrosion Mitigation

We use 304/316L stainless steel or specialized anti-corrosive coatings to withstand aggressive fertilizer salts (NPK, Potash, Urea) that typically degrade carbon steel.

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Reduced Particle Attrition

By optimizing scraper flight geometry and utilizing low-speed drives, we minimize the physical impact on granules, preserving the market value of the finished fertilizer.

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Moisture & Dust Control

The enclosed, sealed construction prevents moisture ingress (critical for hygroscopic materials) and contains hazardous dust, complying with environmental safety standards.

Parameters

Parameter	MS Type (Horizontal)	MC Type (Vertical)	MZ Type (Z-Shape)
Material Humidity	≤ 5%	≤ 5%	≤ 5%
Capacity Range	20 ~ 250 m³/h	10 ~ 150 m³/h	10 ~ 150 m³/h
Vertical Lift	N/A	Up to 30-40m	Custom
Chain Type	Forged / Round Link	Forged / Round Link	Forged / Round Link
Casing	Carbon Steel / SS304	Carbon Steel / SS304	Carbon Steel / SS304

Subject to material density and power configuration.

FAQ

How do you prevent material build-up in the trough?

Our flights are designed with self-cleaning profiles. For sticky materials, we can integrate specialized scrapers that ensure the trough remains clear during operation.

Is a scraper conveyor better than a belt for dust-sensitive materials?

Yes. While a belt conveyor is open, a scraper conveyor is fully enclosed, making it the superior choice for preventing environmental contamination and protecting hygroscopic products from humidity.

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