Concrete Crushing Machine

Product Specifications

Technical details and manufacturing context for Concrete Crushing Machine

Definition

A concrete crushing machine is a specialized piece of heavy equipment used in construction, demolition, and recycling industries to reduce large concrete structures, slabs, and debris into smaller, manageable pieces. It employs mechanical force, typically through jaws, impactors, or cones, to fracture the concrete, separating it from embedded rebar and producing aggregate suitable for use as base material, drainage fill, or in new concrete production. The machine operates by applying immense mechanical force to concrete feed material. In jaw crushers, a fixed jaw and a reciprocating movable jaw create a V-shaped chamber where concrete is compressed and fractured. In impact crushers, high-speed rotors with blow bars hurl concrete against breaker plates or aprons, causing it to shatter upon impact. The crushed material then passes through sizing screens or grates to achieve the desired aggregate size, while electromagnets or manual processes often remove ferrous reinforcement. Key specifications for this equipment include a feed opening size of 600×900 mm, throughput capacity of 50–180 tonnes per hour, motor power of 75–110 kW, and an output size range of 50–150 mm. The operating weight ranges from 12 to 18 tonnes. Additional parameters include a maximum feed size of 500 mm, a discharge opening adjustment range of 50–150 mm, an eccentric shaft speed of 250–350 r/min, a maximum feeding temperature of 80°C, vibration acceleration ≤0.5 g (per ISO 10816), noise level ≤85 dB(A) at 1 m (per ISO 3744), and an IP rating of IP54–IP65 (per IEC 60529). Materials used in construction include high manganese steel, carbon steel, and cast iron. These values are directory references and must be verified with the legal manufacturer or supplier for the specific model and application. Standards listed are for procurement and verification purposes only and do not imply certification or compliance of any particular product.

Working Principle

The machine applies mechanical force to break concrete. In jaw crushers, a fixed jaw and a movable jaw form a V-shaped chamber; the movable jaw reciprocates, compressing and fracturing the concrete. In impact crushers, a high-speed rotor with blow bars throws concrete against breaker plates, causing shattering. The crushed material is then screened to the desired size, and ferrous reinforcement is removed via electromagnets or manually. The process is continuous, with feed entering the top and product exiting the bottom.

Common Materials

High Manganese Steel, Carbon Steel, Cast Iron

Technical Parameters

Parameter	Typical range	Notes & selection driver
Feed Opening SizeRequired	600×900 mm	Maximum dimensions of concrete slab or block that can be accepted by the crusher inlet
Throughput CapacityRequired	50–180 tonnes/hour	Maximum processing rate of concrete material under optimal conditions
Motor PowerRequired	75–110 kW	Rated power of the electric or diesel drive motor
Output Size RangeRequired	50–150 mm	Adjustable range of final crushed aggregate particle sizes
Operating WeightRequired	12–18 tonnes	Total weight of the machine including standard attachments and fluids
Max Feed Size	500 mm	Larger may cause jamming
Discharge Opening Adjustment Range	50–150 mm	Hydraulic adjustment available
Eccentric Shaft Speed	250–350 r/min	Affects crushing efficiency
Max Feeding Temperature	80 °C	Higher may damage bearings
Vibration Acceleration	≤0.5 g	Excessive vibration indicates imbalanceISO 10816
Noise Level	≤85 dB(A)	At 1 m distanceISO 3744
IP Rating	IP54–IP65	For electrical enclosureIEC 60529

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Crushing Chamber
Houses the crushing mechanism (jaws, impactors, or cones) where concrete is fractured

Material: High Manganese Steel or AR400 Steel Liners
Drive Motor
Provides rotational power to the crusher's main shaft or rotor

Material: Electric Motor Housing (Cast Iron/Steel) or Diesel Engine Block
Vibrating Grizzly Feeder
Regulates the flow of concrete into the crushing chamber and removes fine material

Material: Steel Grizzly Bars and Deck
Discharge Conveyor
Transports crushed aggregate away from the machine to a stockpile or truck

Material: Rubber Conveyor Belt, Steel Frame and Rollers
Hydraulic System
Provides power for adjusting crusher settings, clearing blockages, and operating optional attachments

Material: Steel Hydraulic Cylinders, Hoses, and Reservoir
Control Panel
Houses electrical controls for starting, stopping, and monitoring machine operations

Material: Steel Enclosure with Plastic/Composite Interface
Electromagnets Optional
Pull rebar out of the crushed stream on magnet-equipped machines.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Concrete Crushing Machine.

Manufacturers of Concrete Crushing Machine

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Frequently Asked Questions

What is the typical feed opening size for a concrete crushing machine?

The feed opening size is typically 600×900 mm, but this can vary by model. Always confirm with the manufacturer for your specific application.

What is the throughput capacity range?

The throughput capacity is typically 50–180 tonnes per hour under optimal conditions. Actual performance depends on feed material and settings.

What standards are relevant for this equipment?

Relevant standards include ISO 10816 for vibration, ISO 3744 for noise, and IEC 60529 for IP rating. These are references for verification, not certifications.

How is rebar removed from crushed concrete?

Ferrous reinforcement is typically removed using electromagnets or manual sorting after crushing. The specific method depends on the machine configuration.

Data Basis

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Preliminary Technical Classification

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pressure:	Up to 300 bar hydraulic system
other spec:	Max feed size: 1000mm, Throughput: 50-500 tons/hour, Slurry concentration: Up to 40% solids by weight
temperature:	-20°C to 50°C

Product Specifications

Industry Taxonomies & Aliases

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards