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LCB Series Emulsified Asphalt Cold Regeneration Secondary Mixing Plant
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Construction Waste Resourceful Treatment Line
LBRN Series Counterflow Integral Asphalt Mixing Plant
Product Parameters
| Model | LBRN3020 | LBRN4030 | ||
| Original rated producivity(t/h) | 240 | 320 | ||
| Regeneration rated productivity (t/h) | 160 | 240 | ||
| Rated mixing capacity (kg/batch) | 5000 | 6500 | ||
| Max Productvity(t/h) | 360 | 468 | ||
| Dosing accuracy(statc) | Aggregate(%) | ±0.2 | ±0.2 | |
| Powder(%) | ±0.1 | ±0.1 | ||
| Asphalt(%) | ±0.1 | ±0.1 | ||
| Oil&gravel ratio(%) | ±0.3 | ±0.3 | ||
| Installed power(kW) | 1001 | 1250 | ||
| Fuel consumption (heavy oil) kg/t(standard condtion) | 6 | 6 | ||
| Gas consumption(natural gas) m³/T (standard condition) | 7 | 7 | ||
| Standard floor space(m) | 47x38 | 51x40 | ||
| Dust removal area(m²) | 1250 | 1820 | ||
| Dust discharge concentration(mg/Nm³) | ≤20 | ≤20 | ||
| Blackness of emitted flue gas | Greenman Levell | Greenman Levell | ||
| Noisein control room | ≤70dB | ≤70dB | ||
Product characteristics
01
▶ Adopting counter flow heating method results in higher heat exchange rate, lower exhaust gas temperature, and lower energy consumption. The design structure of large diameter and long drum allows the recycled material to be gently heated inside the drum, ensuring the discharge temperature while reducing the degree of asphalt aging. Special flexible feeding blades and self-cleaning chains are installed inside the drum, which can effectively reduce the adhesion of the drum wall and blades,and enhance the self-cleaning ability of the drum.
02
▶ Multi point safety detection + linkage control, fast air door closing protection device+automatic fire shut-off function.
03
▶ The main building is designed with fully sealed negative pressure, without dust overflow. The regenerated flue gas adopts secondary combustion, meeting environmental emission requirements.
04
▶ Stainless steel plates are pasted inside the regeneration storage silo and regeneration dosing hopper, which has good anti sticking effect.
05
▶ The hot air stove is equipped with a specially designed ceramic fiber layer, which is light weight, has a low heat transfer coefficient, and is easy to maintain. By introducing low-temperature clean exhaust gas and mixing it with the hot gas flow of the burner, the temperature of the hot gas flow can be effectively controlled. Multiple temperature dosingment points are installed on the furnace body, and the mixing air volume is automatically
06
▶ The mixing tank is placed on the side of the main regeneration building, using a large capacity mixing pot, flexible drive, and strong power. The dual mixing arm layout and spiral blade arrangement make the mixing efficiency higher. The discharge door adopts a rotating structure design, with fast discharge speed.
description2
MAIN FUNCTIONAL MODULES
▶ The design features a two compartment connected structure, with a single compartment capacity of 15m³.It adopts an internal vibration structure with a large vibration amplitude to ensure smooth unloading.
▶ The feeding belt conveyor adopts frequency conversion and door opening control for feeding,ensuring the stability of the primary distribution.
▶ The feeding belt is equipped with a shortage detection and alarm device.
▶ The top of the fine silo is equipped with a grille device to remove large pieces of material.
▶ Aggregate belt conveyor and feeding belt conveyor are equipped with emergency stop rope switches.
▶ Large diameter drum structure,patented drum blade technology,the aggregate forms a dense material curtain inside the drum,fully exchanges heat,and the drum thermal efficiency is greater than 90%.
▶ Low nitrogen burner with dual frequency control for air and oil distribution,with fuel consumption less than 6kg/t(mixed material)under rated operating conditions.
▶ Adopt professional vibrating screen design technology, dual vibration motors are directly used as vibration sources, with efficient and reliable screening capabilities.
▶ Adopt the side pin method to solve the current problem of difficulty in replacing the vibrating screen mesh.
▶ Reverse flow technology is used in electrical control to eliminate the resonance phenomenon of the main building during shutdown.
▶ The asphalt dosing system adopts a frequency conversion+ patented technology secondary dynamic tracking dosing method to ensure dosing accuracy<0.1%; The unloading of asphalt adopts a direct flow method, without leaving a bottom,and what you see is what you get. The error in the asphalt stone ratio is small, and there is no difference in the asphalt stone ratio for each batch of asphalt material.
▶ Asphalt scales, powder scales,and aggregate scales are arranged ina dispersed manner for easy maintenance and improved safety.
▶ Large capacity, sufficient power, and strong overproduction ability.
▶ High efficiency, using full blade spiral stirring cloud technology, the mixture turnover is fast, the kneading ability is strong, and the uniform mixing effect is quickly achieved.
▶ Good stability and strong maintainability. High quality domestic deceleration motor drive, high wear-resistant lining plate blades, centralized lubrication, stable and reliable performance, easy and convenient maintenance.
TUTRODUCTION TOMAIN FUNCTIONAL MODULES
▶ The mixed product silo adopts a sealed flap door structure with a negative pressure pipe inside, which prevents dust and asphalt smoke from overflowing and is environmentally friendly and reliable.
▶ The overflow siloand the oversized silo are set separately to prevent them from entering the system again and wasting fuel.
▶ Setting up overflow silos can greatly prevent material overflow dust and reduce environmental pollution.
▶ Adopting frequency conversion speed regulation technology to control the pre gradation of recycled materials;
▶ The silo is equipped with an internal vibrating vibrator to break the arch and a silo screen vibrator to prevent blockage;
▶ Equipped with a shortage detection and alarm device;
▶ The feeding belt conveyor is equipped with an emergency stop rope switch;
▶ Multi point material shortage detection device, linked with burner control, to avoid excessive temperature inside the drum due to material shortage.
▶ Heating drum capacity ≥240t/h,length 12m,diameter 2.75m.
▶ The drying drum adopts 4 sets of friction drives, driven by a well-known brand of direct coupled motor reducer, with a power of4×37KW.
▶ Using heavy oil burners with a heating capacity of≥21MW.
▶ Adopting a large capacity discharge box for easy settling of fine materials.
The drum blades are made of wear-resistant and high-temperature resistant materials,witharake type and flexible chain anti sticking design,effectively preventing hot recycled materials from sticking;Intelligent detection device,with abnormal alarm display and equipped with safety switch;Self made tooling is used to debug and install the regeneration drum, ensuring quality and reliable operation.
The hot air stove is equipped with a specially designed ceramic fiber layer,which is lightweight, has a low heat transfer coefficient, and is easy to maintain. By introducing low-temperature clean exhaust gas and mixing it with the hot gas flow of the burner, the temperature of the hot gas flow can be effectively controlled.Multiple temperature dosingment points are installed on the furnace body, and the mixing air volume is automatically controlled by a variable frequency fan. The discharge box is equipped with an infrared thermometer and thermocouple,which can monitor the material temperature in real time and control it in conjunction with the burner.
▶ The burner has a wide range of adjustment and can adapt to various complex working conditions.
▶ Three level atomization technology, fuel is atomized into micrometer level and fully burned
▶ High power preheating device,stable fuel temperature.
▶ Equipped with remote fault diagnosis function,providing timely service and ensuring production reliability.
▶ The intelligent axial flow low-pressure atomizing burner adopts dual frequency control technology, with automatically adjustable air and oil distribution to ensure a reasonable air oil ratio and sufficient combustion. The fuel consumption under rated conditions is only 6kg/t(mixed material).
IUTRODUCTION TO MAIN FUNCTIONAL MODULES
▶ The hot material silo adopts a structure with a large storage capacity and a large angle silo wall The silo wall is equipped with a thermal oil heating device to ensure smooth unloading of recycled materials without adhesion.
▶ The hot material silo adopts a structure of large and small doors,with the function of coarse and fine dosing.
The dosing silo adopts a three-point pressure dosing module for precise and stable measurement.The silo wall is equipped with a thermal oil heating device. The silo is equipped with wear-resistant plates to ensure wear resistance.
The regeneration chute adopts a large cross-section and large inclination structure. Equipped with thermal oil heating and insulation, the chute is equipped with wear-resistant plate structure to ensure wear resistance.
▶ Take the low oxygen hot exhaust gas discharged from the main dust collector into the hot blast stove,adjust the outlet temperature of the hot blast stove, and reuse the exhaust gas to achieve energy conservation and consumption reduction.
▶ The air volume is adjusted by frequency conversion, and the blending air volume entering the hot air stove is automatically controlled.
▶ The regeneration flue gas is treated by secondary combustion in the primary drum, which is environmentally friendly and energy-saving.
▶ The induced draft fan blades are treated with anti sticking to prevent them from sticking easily.
▶ The discharge box adopts a large cross-sectional structure and has the function of settling fine particles.
INTRODUCTION TO ENVIRONMENTAL PROTECTION MODULE
1: Independent loading area blue smoke and dust treatment device
2: Dust treatment device in the overflow area
3: Outer enclosure of the main building (independent H-shaped steel column)
4: Negative pressure dust extraction device in the main building
5: Dust collector at the top of the powder tank
6: Double axis centralized humidification device for waste powder.
7: Variable frequency energy-saving and noise reduction device for induced draft fan.
8:Tank farm odor treatment device
9: Dust treatment device for cold feeding silo
There is a closed channel,and the asphalt smoke is adsorbed using a process flow of washing tower+high-voltage electrostatic adsorption+secondary adsorption + fan and chimney to ensure the discharge of clean smoke.When unloading the remaining materials after production, the main dust removal system is used for negative pressure dust extraction.
The generated asphalt smoke and odor are collected through the flue gas pipeline and cooled by condensation treatment. The condensed smoke is then concentrated and directed to the asphalt smoke treatment unit in the loading area for adsorption treatment.
Each bin of the cold material silo adopts an independent three-sided enclosure,the dust from the feeding and belt transfer points is subjected to negative pressure suction and centralized treatment through an independent pulse dust removal system.Independent ultrasonic induction device detects the opening of the corresponding negative pressure pipeline valve when loading the loader.