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Zhengzhou Hengyang Industrial Co., Ltd

  • China,Zhengzhou ,Henan
  • Verified Supplier
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China Vermiculite Sand Processing Plant
China Vermiculite Sand Processing Plant

  1. China Vermiculite Sand Processing Plant

Vermiculite Sand Processing Plant

  1. MOQ: 1
  2. Price: 335000-789000
  3. Get Latest Price
Color Customize
Warranty 24 months
Delivery Time 30-50 days
Application Light weight materials
Payment Terms T/T
Capacity 1000-6000t/y
Condition New
Voltage Up to client
Supply Ability 20 sets/month
OEM Accept
Packaging Details negociated
Model Number vermiculite
Certification ISO9001
Place of Origin China
Brand Name hengyang

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  1. Product Details
  2. Company Details

Product Specification

Color Customize Warranty 24 months
Delivery Time 30-50 days Application Light weight materials
Payment Terms T/T Capacity 1000-6000t/y
Condition New Voltage Up to client
Supply Ability 20 sets/month OEM Accept
Packaging Details negociated Model Number vermiculite
Certification ISO9001 Place of Origin China
Brand Name hengyang
High Light Vermiculite sand rotary kilnVermiculite processing plant equipmentRotary kiln for sand processing

As global construction demands surge and natural sand reserves dwindle, the mining industry is seeking sustainable, high-performance alternatives to meet these demands. One promising solution is vermiculite sand (expanded mineral waste)—a byproduct of vermiculite processing that can be transformed into high-quality construction sand.

We specialize in mining equipment that helps operators maximize their resources. This blog guide will cover:

  • What is vermiculite sand, and why is it valuable?
  • Step-by-step vermiculite sand processing into construction-grade material
  • Complete equipment list for an efficient production line

By the end, you’ll understand how to repurpose mining waste into a profitable, eco-friendly construction material.


What Is Vermiculite Sand (Expanded Mineral Waste)?

Vermiculite sand is a lightweight, thermally exfoliated mineral derived from vermiculite ore waste. When heated between 900 °C and 1000 °C, vermiculite expands into an accordion-like structure, forming a porous, low-density material.

Key Properties of Vermiculite Sand

  • Ultra-Lightweight – Bulk density of 60–130 kg/m³ (vs. 1600 kg/m³ for river sand)
  • Thermal & Acoustic Insulation – Keeps buildings energy-efficient
  • Fire-Resistant – Can withstand 1,200°C+ without melting
  • High Water Absorption – Useful for agricultural and plaster applications
  • Non-Toxic & pH Neutral – Safe for construction use

Where Does Vermiculite Sand Come From?

  • Mining Byproduct: Generated during vermiculite ore processing (major sources: USA, South Africa, China)
  • Industrial Waste: Leftover from exfoliation plants (previously discarded)
  • Sustainable Alternative: Reduces reliance on degrading river sand reserves


How to Process Vermiculite Sand into Construction-Grade Sand?

Converting raw vermiculite waste into usable construction sand requires specialized processing. Below is a detailed breakdown:

Step 1: Collection & Pre-Screening

  • Raw Material Sourcing: Gather vermiculite waste from mining stockpiles or processing plants.
  • Pre-Screening: Use trommel screens or vibrating sieves to remove rocks, debris, and oversized impurities.

Equipment Needed:

  • Trommel Screen (removes large contaminants)
  • Grizzly Screen, vibrating screen (heavy-duty pre-sorting)

Step 2: Crushing & Grinding

  • Primary Crushing: A jaw crusher reduces chunks to 20–50mm.
  • Secondary Crushing: A hammer mill or cone crusher further refines particles to 1 – 5mm.

Output Sizing:

  • Coarse Sand (1–5mm) – Concrete, blocks, masonry
  • Fine Sand (0.1–1mm) – Plaster, tile adhesives
Vermiculite Sand Production Line

Step 3: Washing & Dewatering

  • Rotary Scrubber: Removes clay and soluble salts.
  • Log Washer (for stubborn impurities): Uses mechanical agitation.
  • Sand Washer + Dewatering Screen: Rinses out dust and reduces moisture.

Why Washing Matters?

Improves cement bonding strength

Lowers chloride & sulfate content (prevents corrosion in concrete)

Step 4: Drying (If Needed)

Rotary Dryer: Bulk drying at 200–300°C

Target Moisture: <5% for stability

Step 5: Grading & Classification

  • Vibrating Screens: Segregate sand into different size fractions.
  • Air Classifier (for high-precision sizing): Ensures uniform particle distribution.

Company Details

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,

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 and 

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 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    2015

  • Total Annual:

    8500000-12000000

  • Employee Number:

    >95

  • Ecer Certification:

    Verified Supplier

Hengyang Industry is an Chinese Company based in Zhengzhou city that manufactures, on proprietary technology, plants and equipment for waste recycling and recovery with energy production, material recovery or production of finished goods. Innovation, R&D, passionate and skilled team along... Hengyang Industry is an Chinese Company based in Zhengzhou city that manufactures, on proprietary technology, plants and equipment for waste recycling and recovery with energy production, material recovery or production of finished goods. Innovation, R&D, passionate and skilled team along...

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Get in touch with us

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  • Zhengzhou Hengyang Industrial Co., Ltd
  • 500m West, Cross road of Rizhao and Industrial Road, Mazhai Industrial Zone, Zhengzhou City, China
  • https://www.wasteprocessingplant.com/

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