fly ash machine

The fly ash machine stands at the forefront of modern construction technology, engineered to transform industrial waste into durable building materials. This advanced system is purpose-built for fly ash bricks manufacturing, offering a high-performance solution that integrates seamlessly into any production line. Functioning as a robust hydraulic brick press, it delivers consistent compaction force to shape uniform bricks with sharp edges and smooth surfaces. As a comprehensive piece of brick manufacturing equipment, it handles raw material mixing, pressing, and ejection in a streamlined cycle. While it shares certain principles with an earth brick making machine, its design is optimized for fly ash blends, making it uniquely suited for projects that prioritize sustainability without compromising structural integrity. Below are the core technical specifications that define its performance.

Parameter Standard Model Heavy-Duty Model Automatic Model
Pressing Force 80 tons 120 tons 150 tons
Cycle Time 15 seconds 12 seconds 10 seconds
Production Capacity 1,200 bricks/hour 1,800 bricks/hour 2,500 bricks/hour
Power Requirement 7.5 kW 11 kW 15 kW
Hydraulic System Pressure 21 MPa 25 MPa 28 MPa
Mold Options 4 cavities 6 cavities 8 cavities

These machines are built with a heavy-duty steel frame and precision-machined cylinders to ensure years of reliable service. The hydraulic circuit incorporates load-sensing technology that adjusts flow based on demand, reducing energy consumption by up to 20%. All models accept a wide range of mold configurations, enabling production of solid bricks, hollow blocks, and paving stones from the same platform. Automated lubrication points and centralized grease banks minimize maintenance downtime. The control panel features an intuitive HMI with real-time monitoring of pressure curves and stroke counts, allowing operators to fine-tune parameters for different mix designs. Safety interlocks on the compression zone meet international ISO 13849 standards, and the powder dust extraction hood keeps the workspace clean. For large-scale operations, the automatic model integrates a pallet feeder and brick stacking conveyor, forming a complete end-to-end production cell.


The fly ash machine is more than a press—it is a fully integrated manufacturing module designed for continuous high-output operation. At its core, a dual-acting hydraulic ram provides both the pre-compression and main pressing strokes, which eliminates air pockets and ensures uniform density throughout each brick. The material feeding system uses a volumetric screw conveyor that precisely doses fly ash, cement, sand, and additives, maintaining a consistent mix ratio batch after batch. A vibratory hopper with adjustable amplitude prevents bridging of dry powders and guarantees complete mold filling during every cycle. Temperature sensors embedded in the hydraulic tank and bearings trigger cooling fans automatically, protecting critical components during extended shifts. The machine’s modular construction allows rapid replacement of wear items such as mold liners and ram seals without dismantling major assemblies. Oil filtration is handled by a dual-circuit kidney loop that maintains ISO 4406 cleanliness code 17/15/12, extending fluid life and reducing service intervals.

  • Closed-loop proportional hydraulic control maintains compaction pressure within ±1% of setpoint, ensuring brick strength consistency.
  • Quick-change mold cassette system reduces tooling changeover to under 8 minutes, enabling flexible production scheduling.
  • Integrated PLC with data logging captures cycle counts, fault histories, and energy usage for predictive maintenance planning.
  • Sound-dampened power pack enclosure limits operational noise to 72 dB(A), comfortable for indoor plant environments.
  • Optional dry-side additive injection system introduces color pigments or waterproofing agents directly into the mixing flow.

Material usage is optimized through a regrind return loop: edge trimmings and rejected green bricks are fed back to the mixer hopper, cutting raw material waste to below 2%. The fly ash machine’s structural base is damped with rubber-metal isolators to eliminate vibration transfer to the factory floor, preserving adjacent precision equipment. Electrical safety features include phase sequence protection, earth leakage detection, and emergency stop circuits with dual-channel redundancy. For remote diagnostics, the controller supports OPC-UA communication, allowing plant engineers to view live status from any web browser. This level of connectivity also enables integration with batching plants and downstream packaging lines for fully automated factories. The robust design, backed by a global supply chain of field-replaceable parts, ensures that the fly ash machine remains the centerpiece of any modern brick production facility, delivering output that meets both commercial tempo and environmental targets.

Hot Products

  • Block Mould

    Block Mould

    QGM Block Machine is a high-quality Block Mould manufacturer from China. We offer Block Mould at a very low price. Block machine molds are classified by the type of blocks produced: there are hollow block molds, which are mainly used to produce hollow blocks.
  • Cement Brick Machine Mold

    Cement Brick Machine Mold

    China Cement Brick Machine Mold manufacturer and supplier. QGM Block Machine is Cement Brick Machine Mold manufacturer and supplier in China.
  • Green Ecosystem Concrete Retaining Wall Block Molds

    Green Ecosystem Concrete Retaining Wall Block Molds

    QGM is a China manufacturer of Green Ecosystem Concrete Retaining Wall Block Molds, offering durable alloy steel or steel-FRP molds with high dimensional precision. Customized designs support retaining walls, slope protection, landscaping and paving. Get a quote for your project.
  • Automatic Block Machine Mould

    Automatic Block Machine Mould

    With years of experience in production Automatic Block Machine Mould, QGM Block Machine can supply a wide range of Automatic Block Machine Mould. In addition to the product list below, you can also customize your own unique Automatic Block Machine Mould according to your specific needs.
  • Heavy Duty Precast Concrete Moulds

    Heavy Duty Precast Concrete Moulds

    Fujian QGM Mould Co., Ltd. (QGM Mould) specializes in the design, manufacturing, sales, and maintenance of molds for block forming and precast concrete. Depending on specific requirements such as product shape, production processes, durability, dimensional accuracy, and operating environment, our Heavy Duty Precast Concrete Moulds can be manufactured from plastic or steel.
  • Brick Machines Mold

    Brick Machines Mold

    QGM Block Machine warmly welcome you to buy Brick Machines Mold from our factory. Our products are CE certified and currently have a large amount of factory inventory. We will provide you with good service and factory discounted prices.

Send Inquiry