Bergbau-Backenbrecher

Der Mining-Backenbrecher ist eine Primärbrechmaschine, die für die Verarbeitung von Hartgestein, Erzen, Granit, Basalt, Kalkstein und anderen hochfesten Materialien in Bergbau-, Steinbruch- und Zuschlagstoffproduktionsanwendungen entwickelt wurde. Mit einer tiefen Brechkammer, einem optimierten Backenplattendesign und einer hochfesten Rahmenstruktur liefert er hohe Zerkleinerungsverhältnisse bei stabilem Durchsatz und zuverlässigem Betrieb.

Verarbeitungskapazität: 50–1.350 TPH

Aufgabegröße: ≤1.200 mm

Geeignete Materialien: Granit, Basalt, Kalkstein, Flussstein, Eisenerz und andere mittelharte bis harte Gesteinsmaterialien

Was ist ein Mining-Backenbrecher?

Ein Mining-Backenbrecher, auch bekannt als Primär-Backenbrecher oder Gesteins-Backenbrecher, ist eine Hochleistungs-Brechmaschine, die als Erststufenbrecher in Bergbau-, Steinbruch- und Zuschlagstoffverarbeitungsbetrieben eingesetzt wird. Er zerkleinert große Gesteine, Erze und gesprengte Materialien durch die Druckkraft zwischen einer festen Backenplatte und einer beweglichen Backenplatte auf kleinere, handhabbare Größen.

Als einer der am häufigsten eingesetzten Primärbrecher in der Bergbauindustrie ist ein Mining-Backenbrecher für die Verarbeitung von Materialien mit hoher Druckfestigkeit wie Granit, Basalt, Eisenerz, Kupfererz und Kalkstein ausgelegt. Seine einfache mechanische Struktur, große Aufgabeöffnung, hohes Zerkleinerungsverhältnis und zuverlässige Leistung machen ihn für den Dauerbetrieb in anspruchsvollen Arbeitsumgebungen geeignet.

Mining-Backenbrecher werden üblicherweise vorgeschaltet zu Kegelbrechern, Prallbrechern, Vibrationssieben, und anderen Verarbeitungsanlagen installiert und bilden den Primärzerkleinerungsabschnitt vollständiger Steinbrech- und Erzverarbeitungsanlagen. Als Primärbrecher im Brechkreislauf reduziert ein Mining-Backenbrecher das große Aufgabematerial auf die für nachgeschaltete Verarbeitungsanlagen erforderliche Größe und gewährleistet einen reibungslosen Materialfluss durch die gesamte Anlage.

Arbeitsprinzip des Backenbrechers

Der Backenbrecher basiert auf der Druckzerkleinerungswirkung zwischen einer festen Backenplatte und einer beweglichen Backenplatte, die in einer V-förmigen Brechkammer angeordnet sind.

Der Motor treibt die Exzenterwelle an, die über das Schwingen- und Umschaltplattensystem die bewegliche Backe zu einer Hin- und Herbewegung gegen die feste Backe veranlasst. Diese Bewegung erzeugt ein abwechselndes Öffnen und Schließen der Brechkammer.

Das Aufgabematerial wird von oben in die Kammer eingeführt. Wenn sich die bewegliche Backe zur festen Backe hin bewegt, wird das Material unter hohem Druck komprimiert, gebrochen und zerkleinert. Wenn sich die bewegliche Backe zurückzieht, bewegt sich das gebrochene Material durch die Schwerkraft nach unten in die untere Kammer. Der Zyklus wiederholt sich, bis die Partikelgröße unter die Austragsöffnungseinstellung reduziert ist, wonach das Material aus dem unteren Auslass ausgetragen wird.

Arbeitsprinzip des Backenbrechers

Fertige Steinprodukte

Nach der Primär- und Sekundärzerkleinerung können auf Backenbrechern basierende Produktionslinien eine Reihe von gebrochenen Steinprodukten herstellen, die in Bau- und Infrastrukturprojekten verwendet werden. Typische Fertigungsgrößen umfassen 0–5 mm Feinzuschlagstoffe, 5–10 mm und 10–20 mm Schotter sowie größere 20–40 mm Basismaterialien, abhängig von der Brech- und Siebkonfiguration.

Die Maschine wird häufig in Betonmischanlagen, Asphaltmischanlagen, beim Straßenbau und für Eisenbahnschotter eingesetzt.

Fertige Steinprodukte

Teile des Mining-Backenbrechers

Der Mining-Backenbrecher besteht aus einem Hauptrahmen, einer festen Backe, einer beweglichen Backenbaugruppe, einer Exzenterwelle, einer Umschaltplatte, einer Einstellvorrichtung, einem Antriebssystem und Verschleißteilen. Die Struktur ist für die Primär-Druckzerkleinerung unter schweren Arbeitsbedingungen ausgelegt.

Teileübersicht

KomponenteFunktionBeschreibung
HauptrahmenTragstrukturDer Hauptrahmen ist die tragende Kernstruktur des Backenbrechers und wird typischerweise aus Gussstahl oder geschweißten Stahlplatten gefertigt, um schwere Brechlasten und Dauerbetrieb standzuhalten.
Feste BackenplatteStationäre BrechflächeDie feste Backenplatte ist am vorderen Rahmen montiert und wirkt mit der beweglichen Backe zusammen, um Materialien zu komprimieren und zu zerkleinern.
Bewegliche BackenbaugruppeBrechwirkungBesteht aus dem beweglichen Backenkörper, der Backenplatte, der Welle und den Lagern. Sie erzeugt die für die Materialzerkleinerung erforderliche Hin- und Herbewegung.
ExzenterwelleKraftübertragungDie Exzenterwelle wandelt die Rotationsenergie des Motors in die Schwingbewegung der beweglichen Backe um und ist eine der kritischsten Komponenten.
UmschaltplatteKraftübertragung & SchutzÜberträgt die Brechkraft auf die bewegliche Backe und dient gleichzeitig als Überlastschutzvorrichtung, um Schäden durch nicht zerkleinerbare Materialien zu verhindern.
EinstellvorrichtungAustragssteuerungWird zur Einstellung der Austragsöffnungsgröße verwendet, sodass Bediener die Endproduktgröße entsprechend den Produktionsanforderungen steuern können.
SchwungradEnergiespeicherungSpeichert kinetische Energie während des Betriebs und gibt sie während des Brechzyklus frei, um eine stabile und effiziente Leistung zu gewährleisten.
AntriebssystemStromversorgungUmfasst den Motor, Riemenscheiben, Keilriemen und Übertragungskomponenten, die die Rotation der Exzenterwelle antreiben.
BackenplattenVerschleißteileDie festen und beweglichen Backenplatten sind die primären Verschleißkomponenten und werden üblicherweise aus hochmanganhaltigem Stahl oder Legierungswerkstoffen hergestellt.
BearingsRotating SupportHeavy-duty bearings support the eccentric shaft and ensure smooth operation under high load conditions.
Side LinersFrame ProtectionInstalled inside the crushing chamber to protect the crusher body from material abrasion and extend equipment life.
Tension Rod & SpringToggle Assembly SupportMaintain proper tension on the toggle plate and assist in returning the movable jaw during operation.

Types of Jaw Crusher

We provides different types of jaw crushers for mining, quarrying, aggregate production, and recycling applications. Depending on material hardness, feed size, required capacity, and installation conditions, customers can choose from standard PE jaw crushers, fine jaw crushers, European jaw crushers, heavy-duty mining jaw crushers, and mobile jaw crushing plants.

PE Series Jaw Crusher

PE series jaw crushers are the most commonly used primary crushing equipment in aggregate and mining industries. They feature a simple structure, stable performance, and low operating cost, making them suitable for crushing limestone, granite, basalt, river stone, and various ores with compressive strength up to 320 MPa.

  • Feed opening: 250×400 mm – 1200×1500 mm
  • Maximum feed size: 210 – 1020 mm
  • Discharge size: 20 – 300 mm
  • Processing capacity: 5 – 1000 t/h
  • Motor power: 15 – 160 kW
PE Series Jaw Crusher

PEX Series Fine Jaw Crusher

PEX series jaw crushers are designed for secondary crushing and are widely used for producing smaller aggregate sizes after primary crushing. Compared with standard PE models, PEX crushers provide finer discharge sizes and better particle shape control.

  • Feed opening: 250×750 mm – 300×1300 mm
  • Maximum feed size: 210 – 250 mm
  • Discharge size: 15 – 90 mm
  • Processing capacity: 13 – 105 t/h
  • Motor power: 30 – 75 kW
PEX Series Fine Jaw Crusher

European Jaw Crusher

European jaw crushers adopt optimized crushing chamber design, heavy-duty frame structures, and advanced adjustment mechanisms. They are suitable for large-scale aggregate plants and mining projects requiring higher crushing efficiency, lower wear costs, and greater automation.

  • Feed opening: 930×580 mm – 1250×950 mm
  • Maximum feed size: 480 – 760 mm
  • Discharge size: 70 – 200 mm
  • Processing capacity: 120 – 840 t/h
  • Motor power: 90 – 200 kW
European Jaw Crusher

Heavy-Duty Mining Jaw Crusher

Heavy-duty mining jaw crushers are specially designed for continuous operation in harsh mining environments. With reinforced structures, oversized bearings, and high crushing forces, they are suitable for processing hard and abrasive ores in large-scale mining operations.

  • Feed opening: 1200×1500 mm – 1800×2100 mm
  • Maximum feed size: 1000 – 1500 mm
  • Discharge size: 150 – 350 mm
  • Processing capacity: 400 – 1800 t/h
  • Motor power: 160 – 500 kW
Heavy-Duty Mining Jaw Crusher

Mobile Jaw Crushing Plant

Mobile jaw crushing plants combine feeding, crushing, conveying, and power systems on a single chassis, providing flexible and efficient crushing solutions for quarrying, construction waste recycling, and temporary crushing projects. Their mobility reduces foundation costs and shortens installation time.

  • Feed size: ≤500 – 760 mm
  • Discharge size: 50 – 200 mm
  • Processing capacity: 50 – 800 t/h
  • Total installed power: 120 – 400 kW
  • Chassis type: Wheel-mounted or crawler-mounted
Wheeled Mobile Jaw Crusher

Technische Daten

ModellMax Feeding(mm)Capacity(t/h)Discharging Opening(mm)Power(kw)Weight(kg)
PE-250*4002105 – 2120 – 80152800
PE-400*60034016 – 6440 – 100306500
PE-500*75042546 – 10050 – 1005510300
PE-600*90050048 – 12065 – 1607515500
PE-750*106063051 – 20880 – 14011025100
PE-900*1200750144 – 304100 – 20013243300
PE-1000*1200850165 – 342195 – 26513250600
PE-1200*15001000300 – 800150 – 35022078140
PEX-250*100016016 – 5120 – 55306500
PEX-250*120021020 – 6025 – 60377700
PEX-300*130025016 – 10420 – 907511000
* Specifications listed are for reference. Actual jaw crusher configurations are customized according to material characteristics, required output, and project requirements.

Features

Heavy-Duty Frame Construction
Main frame is welded from high-grade steel plates and stress relieved. High rigidity and good impact resistance, suitable for long-term heavy-duty operation.
Large Feed Opening & High Throughput
Large feed opening and deep crushing chamber design. Max feed size up to 1,200 mm or above.
High Crushing Ratio
Optimized jaw motion and angle design. High compression crushing efficiency, single pass can reach required size reduction.
Broad Material Compatibility
Suitable for materials with compressive strength up to 320 MPa, including granite, basalt, river stone, iron ore, limestone, etc. Used in mining and aggregate crushing.
Flexible Discharge Adjustment
Discharge opening adjusted by wedge or shim system. Adjustment range covers different product size requirements.
Reliable Operation & Easy Maintenance
Stable drive system with low wear on main parts. Jaw plates and toggle plates are easy to replace, reducing maintenance time and downtime.

Applications of Mining Jaw Crusher

Mining jaw crusher is primarily used for the first-stage crushing of hard and medium-hard rock materials. It reduces run-of-mine (ROM) ore or blasted stone into smaller sizes suitable for secondary crushing and screening systems. The equipment is widely adopted in mining and aggregate production lines due to its ability to handle large feed sizes and high compressive strength materials under continuous operation.

Metal Ore Mining
Metal Ore Mining
Used for primary crushing of iron ore, copper ore, gold ore, and other metal ores before secondary grinding and beneficiation processes.
Quarry and Aggregate Production
Quarry and Aggregate Production
Applied in crushing granite, basalt, limestone, and river stone for the production of construction aggregates and road base materials.
Cement and Building Materials Industry
Cement and Building Materials Industry
Used for limestone and other raw material size reduction in cement production lines and building material processing plants.
Infrastructure and Civil Engineering Projects
Infrastructure and Civil Engineering Projects
Deployed in highway, railway, and hydropower projects for on-site crushing of blasted rock and construction stone preparation.

Jaw Crusher vs Other Crushing Equipment – Which One Fits Your Operation Best?

Crushing equipment selection is based on feed size, material hardness, and required output. A jaw crusher is commonly used as primary crushing equipment in mining, quarry, and construction waste recycling lines. Compared with other crusher types, it is better suited for large feed sizes and hard materials, offering stable operation and simple maintenance. Our jaw crusher solutions cover capacities from 1–1000 t/h, depending on model and configuration.

PositionJaw CrusherHammer CrusherImpact CrusherKegelbrecher
FunktionsprinzipCompression between fixed and movable jaw platesHigh-speed hammer impact crushingRotor impact and rebound crushingLamination crushing by mantle and concave
Konstruktives DesignHeavy-duty frame, fixed + movable jaw plateRotor with hammer headsRotor + impact plate systemHydraulic cone structure
Verarbeitungskapazität1–1000 t/h5–300 t/h30–500 t/h50–1200 t/h
EffizienzStable for primary crushing of large feedHigh for soft materialsGood for medium-hard materialsHigh for secondary and fine crushing
EnergieverbrauchModerate (about 0.5–1.5 kWh/t depending on model)Higher wear-related lossMediumLower in fine crushing stage
StellflächeMediumCompactMediumLarger installation space
WartungLow, jaw plate replacement every 3–6 months (based on material)Frequent hammer replacementMedium liner wearMore complex hydraulic system maintenance
InvestitionskostenMediumLowMediumHigh
Suitable MaterialsGranite, basalt, limestone, river stone, construction wasteLimestone, coal, gypsumMedium-hard stone, recycled aggregatesHard ore, fine crushing feed
Typische AnwendungenPrimary crushing in mining, quarry, recycling and aggregate plantsSmall-scale cement and soft stone crushingSecondary crushing in aggregate production linesFine crushing in mineral processing systems

Selection Guide

For primary crushing of hard rock and construction waste, Zhongyi Jaw Crusher is the preferred choice. It accepts feed sizes up to ≤1200 mm and delivers stable reduction for downstream processing. Hammer crushers are suitable for soft and brittle materials, while impact crushers are used for secondary crushing. Cone crushers are mainly applied in fine crushing stages requiring controlled particle shape.

In mining, quarry, and recycling projects, Jaw Crusher remains the most widely used first-stage crushing equipment due to its stability, wide material adaptability, and low maintenance requirements. Zhongyi provides complete crushing line solutions based on project capacity and material conditions.

Project Site

Partner with Zhongyi for expert technical support, customized solutions, and reliable equipment tailored to your ore characteristics and production requirements.

Custom Jaw Crusher Solutions

Different quarry and mining projects require different feed sizes, capacity levels and product specifications. Standard models may not fully match site conditions, especially in high-hardness rock or high-capacity continuous production lines. Custom configuration is available to match actual operating requirements and downstream process layout.

Customizable Parameters

  • Feed opening size
  • Capacity (TPH)
  • Max feed size
  • Discharge opening range
  • Jaw plate material (Mn13Cr2 / Mn18Cr2 or customized)
  • Motor power configuration
  • Flywheel size and inertia design
  • Frame structure type (welded / cast steel)
  • Lubrication system (manual / automatic)
  • Installation type (fixed / semi-mobile / mobile skid-mounted)
Custom Jaw Crusher Drawing

Please share your raw material, feed size, target output, and capacity requirements. Zhongyi will customize the ideal equipment configuration for your plant, whether your layout feeds a downstream rod mill sand line or direct mineral processing circuit.

Jaw Crusher Manufacturer and Supplier

Zhongyi manufactures mining jaw crushers for quarrying, mining and aggregate production lines. Production covers frame fabrication, machining, assembly and factory testing. Manufacturing is carried out under ISO quality management requirements. Main structures are welded or cast steel, with key components machined in-house. Equipment is supplied with CE compliance for export markets. Product range includes PE series jaw crushers and customized configurations for fixed and semi-mobile crushing plants, selected according to feed size, capacity and material hardness.

Single machines and complete crushing solutions are provided, including vibrating feeders, belt conveyors, cone crushers and screening systems. Layout design and equipment matching are offered based on project conditions. Equipment is applied in primary crushing of hard and abrasive rock. Focus is placed on stable feed control, reduced wear rate and consistent discharge size through proper system configuration. Our service covers model selection, technical support, installation guidance and spare parts supply throughout the equipment lifecycle.

Jaw Crusher Manufacturer and Supplier

FAQs

1. What is a jaw crusher used for in mining?

A jaw crusher is used as primary crushing equipment to reduce large run-of-mine (ROM) rocks into smaller sizes. It is commonly applied in mining, quarrying and aggregate production lines for hard and abrasive materials.

2. What materials can a jaw crusher process?

Jaw crushers are suitable for hard and medium-hard materials such as granite, basalt, limestone, river stone, and iron ore. It is designed to handle compressive strength up to around 320 MPa depending on model configuration.

3. What is the typical feed size of a mining jaw crusher?

It is suitable for iron ore, copper ore, coal, limestone, granite, river stone, and construction aggregates. It also performs well with high fine-content and mixed feed materials.

4. How does a jaw crusher work?

Material is compressed between a fixed jaw plate and a movable jaw plate. The eccentric shaft drives the movable jaw in a reciprocating motion, creating a repeated crushing cycle until the material is reduced to the required discharge size.

5. What is the output size of a jaw crusher?

Output size is adjustable through the discharge opening setting. Typical primary crushing output ranges from 100 mm to 300 mm depending on the application and downstream process requirements.

6. What factors affect jaw crusher capacity?

Capacity is influenced by feed size, material hardness, moisture content, crusher opening size, and downstream discharge conditions. Proper feed control and correct model selection are critical for stable throughput.

7. What maintenance is required for a jaw crusher?

Routine maintenance includes lubrication system checks, wear part inspection (jaw plates, toggle plate), bolt tightening, and periodic replacement of high-wear components. Proper maintenance reduces downtime and extends service life.

8. What is the difference between jaw crusher and cone crusher?

A jaw crusher is used for primary crushing of large feed materials, while a cone crusher is used for secondary or tertiary crushing to produce finer and more uniform output sizes.

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