What is Stabilized Soil Mixing Plant?
The WCB-Series Stabilized Soil Mixing Plant is suitable for the construction of base materials in ordinary highways, high-grade highways, expressways, urban roads, sports fields, airports, etc. It can achieve continuous production of various uniformly mixed and accurately proportioned stabilized base materials (according to the requirements of raw materials).
The equipment is driven by electricity fully, using three-phase 380V 50Hz AC power source, controlled by the central control cabinet. It can realize independent start and stop of simple equipment and interlock control of the complete set to guarantee correct mixing. Mixer of the equipment adopts dual-axial forced continuous structure under mechanical drive and it is featured with superior mixing performance, strong adaptability, good mixing effect and high mixing efficiency.
The equipment uses combined movable modular construction for arrangement so that it can be applicable for different construction site conditions. Its all components can be assembled and disassembled easily and rapidly and transported by trunk.
- Applicable Material Range
1. Lime: Quicklime (processed bagged lime from ball mill) or hydrated lime with a moisture content not exceeding 15%. (The particle size can be handled separately according to project requirements.)
2. Soil with a maximum particle size of medium 60mm and a moisture content not exceeding 10%.
3. Gravel with a maximum particle size of p60mm and a moisture content not exceeding 5%.
4. Fly ash with a moisture content not exceeding 15%.
5. Various bulk cements. - Types of Finished Products
1. Cement-stabilized sand and gravel.
2. Lime-stabilized base material.
3. Compacted concrete.
What is the Working Process of Soil Stabilization Equipment?
The process flow of WCB-series stabilized soil mixing plant is specifically as follows:
Enhancing the Stabilized Soil Mixing Plant , we employ an optimized process. Aggregates are precisely funneled into computer-controlled belt conveyors from the aggregate hopper. These conveyors, numbering three to six, automatically weigh the aggregates against preset values, ensuring accuracy.
Furthermore, filler material transfers from the filler silo through a gate and a screw conveyor to the electronic screw scale. This mechanism meticulously weighs filler material according to preset values, channeling it into the mixing device’s feeding inlet.
To guarantee optimal moisture, water is evenly dispersed into the mixing device via a water dispenser, regulated by a water pump. Inside the mixer, dual helical paddles on mutually-reversing stirring shafts facilitate thorough mixing, driven by tangential, radial, and axial forces. Kneading, friction, shearing, and convection among materials create an intensive blend, continuously progressing towards the discharge outlet.
Upon reaching the machine’s outlet, materials are uniformly mixed and possess the requisite moisture content for compaction. Then, the inclined belt conveyor transports them to the storage hopper. Upon the vehicle’s arrival, the storage hopper’s door opens, loading the materials for transport to the construction site.
Controlled by a cylinder, the storage hopper’s door operation is swift and dependable. With a streamlined layout, the machine’s structure is compact, allowing for easy observation and control. The centralized control system permits manual sequential operation initiation and cessation. Optimize your construction with our advanced Continuous Stabilized Soil Batching Plant.
What is included in Stabilized Soil Batching Plant?
Aggregate batching and supply metering system: aggregate hopper, computer-controlled belt conveyor, and horizontal belt conveyor.
Cement Feeding System: cement cabin, screw conveyor, and impeller feeder.
Water supply system: water tank, water pump, pipelines, valves, and water sprayers.
Mixing System: a single vibrating double mixing machine, motor, and reducer.
Finished Mixture Storage Cabin: an inclined belt conveyor and storage hopper.
Control system: control cabinet, display instruments, and distribution panel.
Cold Aggregate Batching and Supply Metering System
Aggregate belt conveyor:
The aggregate belt conveyor transports mixed aggregates and pulverized limes to the mixer for mixing. It includes a machine framework of box iron, a belt, carrier rollers, driving and bend pulleys, and support. The conveyor has horizontal and inclined sections connected by hinges. You can adjust the incline angle, and the horizontal part is divided into sections for transport ease.
Aggregate Hopper:
Experience utmost convenience with the aggregate hoppers, organized in combinations of 2-2, 2-3, and 3-3, ensuring effortless disassembly and transportation. The equipment’s peak performance is perpetually upheld through variable frequency speed regulation, broad belts, and adept bin wall vibrators.
Crafted from welded steel sheets, the hopper body offers adaptability with the incorporation of boards in three hopper directions, effectively enhancing volume.
Tailored to user needs, a mechanically added arc breaker finds its place in the hopper, apt for materials of heightened viscosity and susceptibility to arching. To ensure production safety, the arc breaker-equipped hopper is accompanied by a screen.
Driven by a motor, the belt feeder is fortified with rear tensioning gear, assuring precise belt tightness and addressing tracking deviations.
Robust structural steel is used for the hopper framework, providing sturdy support.
Aggregate Weighing System:
Aggregate batching system adopts electronic belt weigher, continuous weighing, full-computer control, VVVF, and high measuring precision; the hopper outlet is installed with detection mechanism for broken materials and fault alarming, so as to maintain uniform feeding.
Cement Feeding System
Main Structure:
Cement feeding system contains a large cement cabin, a impeller batching machine and a screw conveyor. Its working principle is: cement transported by bulk cement tanker is conveyed into the large cement cabin via feeding pipe, cement controlled and mixed by impeller feeder is conveyed into the mixer directly for mixing.
Large Cement Cabin:
The large cement cabin is cylinder vertical storage cabin, including cabin body and framework. The cabin body is equipped with pneumatic feeding pipe. It equips with dust remover in top of the cabin body and turbine driven by speed-regulating motor in the bottom of cabin body. In addition, it sets pressure relief cone inside cone in lower of the cabin body to reduce pressure of the impeller feeder. The cone is set with pneumatic arc breaker muffler for arc breaking.
Screw conveyor:
The screw conveyor can convey the cement drained from large cement cabin and prepared by the impeller feeder into the mixer. The screw conveyor is composed by screw shell, impeller axis and driving motor. The screw shaft rotates at fixed rotating speed.
Impeller feeder:
It is composed by turbine, motor, chain and and chain wheel. The motor adopts variable-frequency speed-regulation and it can regulate rotating speed of motor based on actual weight and required mixing rate of cement so that the turbine can supply the cement with required dosage.
Water Supply System
Details:
- The water supply system mainly is composed by water tank, pipeline, water pump, gate valve, flow meter and sprayer pipe.
The water is stored in the tank and then pumped through the pipelines to the mixing unit. The flow of water is regulated by valves, which allow precise control over the amount of water added to the mixing process.
The system is designed to ensure that the correct amount of water is supplied to the soil mixture, which is crucial for achieving the desired soil stabilization and compaction properties. Proper water content is necessary to optimize the mixing process and ensure the final stabilized soil meets the required specifications.
- It features simple structure and accurate measurement.
Mixing System
Details:
- The mixing system is to mix all materials conveyed into the mixer after adding water. It mainly is composed by framework, mixer and mechanical driving system. The framework is welded by structural steel, the mixer contains the mixing body, mixing shaft, mixing arm and blade. The mixing body adopts the newest no lining board technique to reduce frequency and cost of replacing the lining board due to abrasion, in a way of minimizing the user’s maintenance and operating costs.
- The mixing blades are made of high-wear-resistant cast iron, providing a long service life and convenient replacement. Angle installation of blade can be changed properly to adapt to mixing of different materials. The two mixing shafts rotate in the opposite direction. The mixing shafts and mixing body are fixed on the framework respectively and independently.
Mechanical driving system of the mixer mainly is composed by motor, small belt wheel, triangle belt, large belt wheel, reducer, coupler and synchromesh gearbox.
Finished Mixture Storage Cabin
Details:
Finished Mixture Storage Cabin is used to store the mixture temporarily so that it is easy to load. It mainly includes the vertical column, framework, footboard, fence, ladder and copper. The four vertical columns are used to fix the entire on concrete foundation. The framework is installed in vertical column and the copper is fixed on the framework. The copper is equipped with a cylinder to open and close the copper open.
Control System
Details:
The control system adopts computer control, screen display, keyboard entry and printing system and uses the programmable controller. In addition, it adds the industrial television observation system. It can realize reliable operation, easy operation and high direct automation.
- The cabinet-style control panel features centralized control, easy operation, safety, reliability, and precise control. The weighing, mixing, and microcomputer control system utilize renowned brand instruments like KAMBE weighing instruments, and electrical components from Schneider and Deli.
- It allows for automatic, semi-automatic, and manual control modes.
