Based on years of experience in producing cement concrete mixing equipment, Nanqiao Road Machinery produces commercial concrete mixing equipment that adopts a computer synchronous control system.
The concrete mixing equipment produced by Nanqiao Road Machinery is widely used in centralized concrete mixing sites such as commercial concrete mixing, pipe piles, components, hydraulic engineering, and marine engineering. It is designed and manufactured according to different process requirements and actual needs, so that each set of equipment has distinctive professional quality.
Technical features:
1、 Various combinations
Main structure: single machine mixing plant, double machine mixing plant;
Mixing host: Double horizontal shaft mixing host;
Control system: dual machine synchronous control mode, classic control mode;
Aggregate conveying: belt feeding;
Powder conveying: Spiral conveying
Material measurement: individual measurement, cumulative measurement;
Dust removal system: (bag type, vibration type, pulse type) dust collector;
Air system: The main components are sourced from well-known domestic and international brands;
Additional systems:
1. Powdered additives: impeller feeder, spiral type;
2. Aggregate screening device: circular rolling type.
Main features
Choose Zhuhai produced Shigaoma mainframe, with good mixing quality and high efficiency;
Select well-known brands for pneumatic components to improve the reliability and stability of the entire machine;
Each aggregate bin is equipped with two arc gates, and accurate weighing of aggregates is achieved by controlling the opening and closing of one of the discharge gates;
Stainless steel corrosion-resistant pumps are selected for the transportation of additives to extend the pump's service life;
A water temporary storage hopper is set up in front of the water weighing hopper, and two drainage pipes, coarse and fine, are set under the temporary storage hopper. After the coarse weighing is completed, water is discharged through the fine drainage pipe to reduce the impulse and improve the accuracy of water measurement;
A pipeline pump is installed at the outlet of the water measuring hopper, which shortens the discharge time of the measuring hopper water;
The mixing tank is equipped with a dust removal device, which can eliminate the phenomenon of dust overflow and meet environmental protection requirements;
The main electrical components are selected from well-known brands, which improves the stability and reliability of control;
The entire system is controlled by a microcomputer for easy operation, with functions such as proportioning storage, task storage, vehicle signal storage, and automatic drop compensation. It is also equipped with a manual system, which can achieve manual, semi-automatic, and fully automatic control of the mixing system process.
Dual computer synchronous control system
The control system of Nanqiao Road concrete mixing plant, The HZS series concrete mixing plant control dual machine synchronous control system mainly consists of two computers, high-performance microcomputer controllers, human-machine interfaces, high-speed and high-precision weighing units, and internationally renowned low-voltage electrical appliances. Combined with independently developed professional control software, it realizes the automation control of concrete production.
1） Dual computer synchronous control:
In the investigation of the failure rate of the electrical control system in the concrete mixing plant, computer failure ranks first. Once a failure occurs, it will cause shutdown and production stoppage. The two computers of the dual machine synchronous control system can simultaneously or independently complete the control and management of the entire production process. When one computer fails, the other computer can take on the control task, automatically ensuring that the system can continue production control without manual intervention and minimizing downtime caused by computer failures.
2） High performance hardware configuration ensures stable and reliable control:
1 ADLINK industrial grade computer.
2. MITSUBISHI PLC with high performance and long lifespan: ultra high operating speed, basic instruction 0.08 μ s, and an average of 300000 hours of fault free continuous operation. Reliable performance.
3 MITSUBISHI human-machine interface: fully Chinese, wide viewing angle, high-speed response, reliable performance.
4 MITSUBISHI AD module: 500 μ s high-speed conversion, with a resolution of 1/20000.
5. The main low-voltage electrical appliances are Schneider World renowned brands such as ABB and Rmron.
3） Control function:
1. Software login and electronic scale calibration require user passwords, effectively ensuring the security of important production data.
2. Full 3D interface animation simulates production conditions, displaying real-time production data such as ingredient values, weighing values, and error values.
3. Production task orders can be pre arranged and the production sequence can be readjusted.
4. Automatically allocate single tank production based on batch production and mixing tank capacity.
5. Full Chinese quick calibration with self diagnosis and prompt functions, providing online usage assistance.
6. Automatically adjust the drop and have trend judgment function, negative value automatic correction, zero position automatic tracking, button peeling, etc.
7. Under weighing automatic compensation, over weighing automatic deduction, and the measurement and unloading tolerance range of various materials can be adjusted separately.
8. Provide a correction window for aggregate moisture content to facilitate sand addition and water reduction.
9. The water metering can be paused and the water formula adjusted at any time.
10. Provide the function of loading shipping orders. When users need to modify, they can complete the design of the shipping order form in the office software and load it into the control system for use.
11. The data management system facilitates users to query, browse, or output production data to printers.
4） Easy to operate and maintain:
1. The three working modes of automatic, semi-automatic, and manual make the control of the production process more flexible, truly reflecting the convenience of control.
2. Foolish parameter setting, all production experience parameters can be completed with one click.
3. The production process, unloading sequence, and mixing time calculation method can be customized by users according to production needs and operating habits.
4. The discharge door of the mixing tank can be adjusted to its closed, semi open, or fully open position within its effective stroke, and is automatically controlled by the system. And provide manual door opening positioning function, with simple, flexible, and convenient operation.
5. Comprehensive online real-time monitoring of equipment production status and implementation of safety chain control. If abnormal working conditions occur, the equipment fault point can be accurately prompted to remind the staff to locate, inspect and repair, achieving fault location and elimination.
6. Traditionally, industrial computing is commonly used for production process control. However, due to the limitations of industrial computer components and software, once a malfunction occurs, it is difficult for computer maintenance personnel to handle, which brings great difficulties and hidden dangers to user maintenance. Through technological progress, Nanqiao Road Electromechanical Control has reduced the performance requirements for computers. It can not only use industrial computers but also use standard computers to complete control functions, which facilitates user maintenance and upgrades, and can solve users' worries.
