Jaw crusher model 1200
Product Name:Jaw crusher 1200
Model number explanation:"1200" refers to itsThe feed inlet width reaches 1200 mm.(e.g., 1200×1500mm), is a type of jaw crusher.Large to extra-large sizesCapable of processingGiant Monolithic MaterialsPhysical abilities.
Product positioning:In the crushing and washing line, the following should be done:Waste materials with "extreme size, extreme hardness, and extreme complexity"ofStrategic pre-fragmentation/primary disintegration unitIt is not a means of production, but...Core of an engineering solution to address bottlenecks in specific waste logistics processing。
I. Core Functions and Extreme Application Scenarios
Within the field of plastic recycling, the potential applications of the jaw crusher 1200 extend beyond conventional industrial waste treatment, pointing towards...National or regional major special projects,For example:
Forced dismantling of giant composite material waste:likeRetired large wind turbine blades (GFRP/BMC), scrapped large plastic composite material components for ships/aircraft, and ultra-large industrial plastic storage tanks/reactors (extremely thick).Its goal is to achieve a qualitative leap "from unprocessable to processable".
Pre-release of plastic components from complex urban/industrial solid waste:existLarge-scale construction and renovation waste, and aggregate scrapped car parts (ASR)On the subsequent fine sorting line, as a front-end pre-crushing device, it crushes large pieces of plastic, wood, thin metal and other materials in the mixture to the ideal feed size of the downstream sorting equipment (such as large drum screen, air separator and magnetic separator).
Dedicated line processing for specific polymer waste:likeMassive quantities of scrapped giant engineering plastic gears, bearings, and structural components (such as PEEK, PA66+GF)Centralized recycling.
As the "throat" of a large-scale recycling plant:In a super recycling park with a planned processing capacity of hundreds of thousands of tons, resources from various sources and of different sizes are uniformly received and initially crushed.Oversized waste plasticThis provides dimensionally standardized raw materials for multiple subsequent parallel dedicated production lines.
II. Main Structure and Working Principle (Heavy-duty Design)
1. Core structural components (heavy-duty grade):
Segmented ultra-heavy frame:Commonly usedSegmented structure combining cast steel parts and extra-thick steel plates by weldingThis facilitates transportation and on-site assembly. Overall rigidity has been enhanced through finite element analysis (FEA) to withstand cyclic crushing forces of thousands of tons.
Giant jaw plate and liner system:Jaw plates are enormous and employThe highest grade of wear-resistant materials (such as ultra-high chromium cast iron and metal-ceramic composite plates).The crushing chamber is equipped with replaceable side liners on both sides, forming a complete crushing working surface.
Core drive and bearing system: Forged steel eccentric shaftHuge diameter, supported byExtra-large rolling bearings or fully hydrodynamically lubricated sliding bearingsAbove, equipped with independentLubrication station and cooling systemThis ensures reliability under extreme loads.
Fully hydraulic control and protection system: Standard configuration.include:Hydraulic adjustment of discharge port、Hydraulic overload protection (instantaneous unloading and automatic reset),as well asHydraulically driven moving jaw locking deviceThis enables remote and intelligent operation.
Large Inertial Dynamics Design:Equipped with a large, precisely calculated flywheel, optimized rotational inertia ensures smooth motor operation during peak loads during crushing and reduces the impact on the power grid.
2. Working principle (one-time crushing of giant materials):
Oversized materials (nearly 1 meter or larger) are directly fed into the crushing chamber → the movable jaw plate approaches the fixed jaw plate with tremendous stroke and force → applying pressure to the material.The ultimate stress exceeding its compressive/shear strengthThis led to its occurrence.Crushing, splitting, breaking→ The crushed material falls under the influence of gravity and is further crushed during subsequent oscillations. → Material that meets the set size is finally discharged from the discharge port.
III. Core Product Features and In-Depth Trade-off Analysis
Core strengths (capabilities):
Unparalleled feed size acceptance:It is one of the few mechanical devices that can directly process single solid wastes at the "cubic meter" level.
Absolutely reliable crushing force output:The structural design has a high degree of redundancy, and it will hardly be damaged by overload under rated operating conditions, providing a stable "brute force" capability.
Extremely insensitive to material composition:Whether it's plastic, wood, or a mixture of lightweight metals, all can be forcibly crushed, making it suitable for materials with unknown or complex compositions.Large quantities of mixed wastePrimary reduction.
Modular and maintainable design:Modern large jaw crushers are designed with ease of maintenance in mind, and key components can be replaced in sections.
Fundamental disadvantages (for plastic cleaning and recycling):
Extremely low efficiency and economy:When processing low-density plastics, their enormous weight and energy consumption are severely mismatched with the output.Extremely high unit production cost。
The output material has extremely poor morphology:The resulting fragments have a very wide size distribution (from dust to pieces hundreds of millimeters in size), are irregular in shape, and contain a large number of long strips and flakes.It is completely unsuitable for direct, efficient water washing, friction cleaning, and subsequent granulation.It must go through at least one or even multiple intermediate breaks.
Huge costs of ancillary systems:Requires supporting equipmentHeavy-duty loading system (may require grab bucket or breaker), powerful dust removal system, vibration-damping foundation, and high-power power supply.The initial investment and operating costs are huge.
Poor environmental friendliness:High noise, high dust, and high energy consumption contradict the concept of a modern green factory.
IV. Key Application Scenarios and Technical Parameters (Examples)
Extreme/theoretical application scenarios:
National-level "urban mining" demonstration base, processingLarge wasteThe plastic component in it.
Large-scale decommissioned composite material (such as wind turbine blades) resource utilization projectFirst crushing process。
In specific major environmental protection projects, such asGiant plastic waste dumps left over from historyThe governance project.
Technical parameters (example):
model:PE-1200×1500
Inlet size: 1200×1500 mm
Maximum feed particle size: ≤ 1000 mm
Discharge port adjustment range: 150-350 mm
Theoretical processing capacity (based on ore): 400-800 t/h (The actual effective capacity for processing plastics may only be 80-200 t/h, and the subsequent processing is complex.)
Main motor power:160-200 kW or higher
Equipment weight:Approximately 65-90 tons or more
V. System Positioning and Integration Challenges in Crushing and Washing Lines
Its imagined position in the system is extremely forward and isolated:
[Super Feeding System (Heavy Engineering Machinery)] → [Jaw Crusher 1200 (Ultimate Volume Reduction Unit)] → [Heavy-duty Belt Conveyor] → [Multi-stage Separation (Screening, Magnetic Separation, Air Separation, Manual Sorting)] → [Intermediate Buffer Silo] → [Specialized Plastic Crusher (e.g., Large Shredder)] → …Entering the Dedicated Plastic Washing Line
Integration Challenges:
Non-standardization and engineering:The entire front-end system needsHighly customized engineering designInstead of purchasing standard production lines.
Production capacity coordination challenges:There is a huge contradiction between the intermittent discharge of the jaw crusher and the subsequent continuous cleaning line in terms of capacity and material form, which requires a complex buffering, homogenization and reprocessing system.
Economic benefit assessment:Must fromOverall social and environmental benefits of the projectRather than simplyProfits from plastic recyclingWe need to assess its rationality from different perspectives.
VI. Decision-Making Warning: The Gap Between Technological Feasibility and Commercial Feasibility
Final technical alternative:Only when all other crushing solutions (including ultra-high power twin-shaft shredders, heavy-duty hydraulic shears, etc.) have been provenTechnically infeasibleThis solution will only be considered when necessary.
A comprehensive systemic assessment:It is necessary to proceed fromFrom material testing and process design to life cycle cost analysis (LCCA) and environmental impact assessment (EIA)...A complete feasibility study.
Seeking alternative solutions:In most cases, for giant plastic waste,On-site cutting/disassembly + specialized crusherThe plan, inTotal cost and final product qualityThe method of using a large jawbone is far superior to using a large jawbone.
