Mixer station LQC240,Highly Efficient Screening Unit

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Product Description:

Rated production capacity (with 5% moisture content)240t/h
Cold aggregate bin5 bins/55m3
Output capacity260t/h
Drying drum specificationΦ2.5m×10m
Capacity (with 5% moisture content)260t/h
Bag filter: model/filtering areaPFK540/1100
Emission standard≤20mg/Nm3
Screening-weighing-mixing system
Vibrating screen5 layers/40m2
Hot aggregate bin5/70t
Asphalt weight0~500Kg (automatic injection)
Mixing tank capacity3250kg
Mixing Cycle45s
Filler silo capacity2×45t
Asphalt tank capacity3×50,000L
Heat conduction oil furnace750,000kcal/h
Finished product bin capacity200t,120t,80t
System control: manual/semi-auto/auto·Chinese operating system·1000 recipes storage
Measuring accuracy
Aggregate≤±0.5%
Filler≤±0.3%
Asphalt≤±0.25%
Total installed power662kW

Modular design, high productivity, low fuel consumption, environmental protection, globally sourced top quality components

Cold Feed System
Frequency-controlled belt feeder allows for independent and automatic adjustment of feed speed as per production and proportioning requirement. Sirens and warning lights are available to warn operators of aggregate starvation.  
Collection and transfer belt is provided with belt tensioner and belt alignment device. Trough belt prevents aggregates from overflowing. Self-cleaning is available for smooth delivery.
The scalping screen removes any oversized material from the aggregates and lets properly sized aggregates enter the drying system, so energy is saved.
Modular design allows for various types of hopper combinations.
Highly Efficient Screening Unit
Developed and manufactured with techniques originated from Europe, the screening machine delivers long service life and high reliability. Adequate screening area and optimum match between vibration angle and inclination angle enable the vibration screen to meet the conditions for strict component proportioning and high screening efficiency. Amplitude and centrifugal force of the vibrating screen are adjustable to adapt to various proportioning. Screening efficiency(rated) ≥95%;messing rate(nominal) <5%.

Drying and heating system
Optimized flights and lifter design allows system to achieve a more uniform heating.
The thermal system is designed with overall optimal parameter control concept to ensure full burning with stability and high heat utilization. Drying and heating efficiency increased by 1-5%.
The dryer drum is insulated with rock wool mats against heat loss.
The dryer drum friction driven by four individual electric motors directly coupled to the nylon support roller shafts offers the advantages of high reliability, high efficiency, low noise emission and long service life. Currently, it’s widely regarded as the best one for drum drives.
Optional burners are available to operate on diesel oil, heavy oil, residual oil, natural gas, coal, etc.

Hot Mineral Silo
Large capacity hot mineral silo effectively ensures ongoing production of the asphalt mixing plant. Flaps operated through double-stroke cylinders for coarse and fine dosage are jam-free and of low maintenance.
Construction of storage silo and dosing flap is optimized with due consideration to cumulative weighing time and weighing accuracy. Rapid and accurate weighing ensures that all components in the recipe are proportioned as appropriate.
Continuous level sensor or maximum/minimum level sensor, temperature sensor, sampling chutes in mineral compartment and overflow channel enable you to have a thorough understanding of the operating conditions of all silo compartments.

Weighing Module
The weighing system with the weigh hopper resting on load cells maintains good weighing balance, thereby effectively resolving the problem of deviation of center of gravity.
World top brand load cells combined with automatic flying material dynamic adjustment module to ensure stable and accurate weighing.
Powerful negative pressure system of the mixing tower effectively isolates interference ensuring weighing accuracy during operation.

Top Quality Mixing Module
Pressurized bitumen is atomized via a multi-hole spray bar and filler is spirally distributed or discharged in axial direction of the mixer. Filler and asphalt are evenly distributed, thereby greatly reducing dry mixing times .  
Twin shaft compulsory mixer, driven by geared motor units via equal gear wheels. The special mixer design featuring a double paddle arm pattern for powerful and intensive stirring behavior, with low rotation speed and large capacity, effectively avoids segregation and secondary gradation changes during mixing ensuring unrivalled mixing quality.
Mixer shafts with labyrinth seals to ensure zero leakage.

Skip Unit and Mixed Material Storage
Separated Silo Pattern

Automatic skip unit features frequency controlled gear motors and high speed pulse encoder giving precise control of skip speed and positioning. This total control of the skip allows it to be smoothly accelerated along the track and then slowed as it approaches the required station. Independent pneumatically operated brake ensures reliable braking and accurate positioning.
The skip features a rotary unpowered soft touch opening discharge door offering the advantages of safe operation, low impact, thorough discharging and no spillage of material, as compared to traditional lever impingement opening type skip door.
The special interior design of the storage silo could effectively stop stored materials from segregating.

Integrated Silo Pattern
Integrated silo pattern offers the advantages of low power consumption, low failure rates, low emissions, economic on space, little segregation, low heat loss, easy extensions, etc.
Be it a separated silo pattern or an integrated silo pattern, all such devices as material level indicators, remote or site discharge door control, electric heating elements fitted on the hopper around discharge door, skip door anti-stick agent no-pump sprayer, etc can be configured.

Bitumen Storage and Heating System
Full-function bitumen tank equipped with mixer, level indicator, and automatic temperature control valve.
Optional independent discharge system permits on-line discharge of thermal oil without affecting plant operation.
Number of bitumen tanks and layout as per customer specifications  
The thermal oil heater equipped with a diesel oil burner provides automatic control of temperature thanks to a number of automated features. Examples include automatic ignition, automatic shutdown, automatic flame control and automatic fault-alarming.

Dust Collection System
Two-stage dust collection system; initial separator(gravity/cyclone) and bag filter, which  has been recognized as one of the most efficient and reliable forms of dry dust collection with guaranteed emission levels of≤20mg/n.m3.
The energy-saving, low-noise rotating reverse air valve mechanism is used for more thorough bag cleaning.
Fully enclosed vibration screen, coupled with negative pressure design for mixing tower, effectively prevents leakage of dust.
Optional reclaimed filler silo and wet collectors (venturi scrubbers) minimize dust emission and solve the problem of transportation.

Control System
Two high performance industrial computers employing the latest hardware technology and software packages link together several groups of function modules to form one integral site network for automatic production control and management.
The two computers are designed to work in parallel for reliable plant control and higher information processing capacity.
The user interface is simple and logically structured. The overall plant operating status, the most important monitoring parameters and all fault messages can be followed online on the screen.
Powerful document management functions make your management easier.
The sound-proof, heat-isolation and dust-proof control cabin is effectively isolated from the electrical cabinet, giving the operator an optimum working environment.

Extensions
Full-open design allows the plant to be extended with a number of auxiliary functions and devices, such as SMA liquid, granular and fiber additive adding system, rubber asphalt supply system, RAP hot recycling, etc.

Service
Our service system supported by XCMG’s powerful global sales network does everything possible to provide maximum customer support from pre-sales, sales to after sales with quick response to spare parts needs, professional factory-trained engineers and positive attitude towards service.

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Q:How to prevent engineering machinery failure
Check the tubing, pipe, pipe and accessories have no leakage phenomenon; check the brake system brake fluid is sufficient; check gearbox, torque converter, hydraulic pump, the front and rear axle mounted brake caliper and fixed and sealed and without overheating;
Q:What's the difference between machines and machines?
Machinery: a general term for all objects to be used (referred to as things that are used by mechanical methods approved in Physics). They are called machines. Search machine is a kind of machinery, wrenches, pliers, levers, and so on, is also a kind of machinery
Q:What does the construction cost include?
The travel and transportation fee, refers to the worker on business trip expenses, living ground subsidies, local transportation and meal allowance, workers visit expenses, labor recruitment fees, retired workers, retirement one-time expenses, personnel injury medical expenses, site transfer fee and on-site management of vehicles, road maintenance, fuel oil and the licence fee
Q:Can you use mechanical oil instead of engineering gear oil?
The third type is compressor oil, turbine oil, refrigerator oil and cylinder oil. They are used in compressors, steam turbines and refrigerators respectively, while cylinder oil is used in steam locomotives and in cylinders directly in contact with steam. Main sealing effect.
Q:What is a mechanical mouse?
IAS acquires images by lenses, which are further processed by the DSP to determine the direction and distance of the movement, and DSP generates a set of relative displacements in vertical and horizontal directions. SPI allows two-way communication between the mouse processor and the optical sensor. Resolution and refresh rate are two key indexes to measure the performance of optical mouse. They reflect the capture ability of photoelectric mouse at the time and space level respectively. The interaction of these two capabilities, combined with the contribution of the optical system, determines the actual performance of the photoelectric mouse.
Q:What are the total cost of the project?
(3) other expenses for the construction of the project, including land fees and other expenses related to the project, that is, the relevant government fees and other expenses related to the future production and operation, that is, the cost of their own operation. (4) preparation fee (including basic reserve fee and price increase reserve fee, that is, risk reservation allowance), (5) loan interest during construction period, this is relatively clear.
Q:What are the large machinery in the construction project?
Hoisting machinery, such as tower cranes, self-propelled cranes, mast cranes, clamshell cranes, etc.. Compaction machinery such as tire roller, smooth wheel roller, single foot roller, vibratory roller, tamping machine, tamping machine, etc..
Q:Ready to study in Australia, intends to emigrate is learning mechanical engineering or electronic engineering is better?
Melbourne University canceled undergraduate engineering specialty in 5 years ago, you want to enter the Melbourne University, must read a bachelor's degree in other ways will go into the engineering college. And now The University of Western Australia, Adelaide University has made the corresponding adjustment. So enter the similar aspects of the school is difficult.
Q:What kind of job is a mechanic in the end?
Mechanical engineer is a person who works in a mechanical engineering field and has some experience and level. Mechanical engineers are generally divided into three levels, Junior Mechanical Engineer, intermediate mechanical engineer, senior mechanical engineer. The mechanical engineer is usually referred to as the three level of mechanical engineers, mechanical engineers can also refer to the intermediate.
Q:What is the difference between the application and maintenance of construction machinery and the operation and maintenance of automobiles? What a promising future!
The possession of construction machinery is obviously much less than that of automobiles, and its commonality is small, its speciality is strong, and the maintenance cost is expensive. Construction machinery and cars are more common is the diesel engine.

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