1. What does a concrete mixing station do?
Concrete is a commonly used building material in construction. The concrete used on construction sites is generally commercial concrete, which is obtained from concrete mixing stations. Made.
A concrete mixing station is a combined device used to centrally mix concrete, also known as a concrete precast plant. Due to its high degree of mechanization and automation, its productivity is also very high and it can ensure the quality and savings of concrete. Cement is often used in large and medium-sized water conservancy, electric power, bridge and other projects with large concrete volume, long construction period and concentrated construction sites. With the development of municipal construction, mixing stations that use centralized mixing and provide commercial concrete have great advantages, so they have developed rapidly and created conditions for promoting concrete pumping construction and realizing the combined operation of mixing, conveying and pouring machinery.
2. What are the concrete mixing station equipment?
Concrete mixing station equipment is the mechanical equipment for manufacturing commercial concrete in the concrete mixing station. Generally, the concrete mixing station mainly has the following types Equipment:
1. Mixing equipment
It is a general concrete mixer. At present, domestic manufacturers basically use twin-shaft forced concrete mixers. This mixer has strong mixing function, uniform and rapid mixing, and high productivity. It can achieve good mixing effects for dry hard, plastic and various proportions of concrete.
2. Weighing equipment
Weighing and batching equipment is an important process equipment in the concrete production process. It controls the mixing of various mixtures. Proportion. The accuracy of weighing ingredients has a great impact on the strength of concrete. Therefore, accurate and efficient weighing equipment can not only improve productivity, but also be a reliable guarantee for producing superior concrete.
3. Hopper equipment
The hopper equipment consists of a storage hopper, unloading equipment (gate, feeder) and some other ancillary devices. Hopper equipment plays the role of an intermediate warehouse in production to balance production. In the concrete mixing device, the hopper equipment is used together with the automatic scale for batching. Therefore, it is a component of process equipment, not a storage place for bulk materials.
4. Inclined belt conveyor (it is recommended to use a belt conveyor with a large inclination angle)
The aggregate feeding system of the concrete mixing station adopts an inclined belt conveyor for feeding (High-angle belt conveyor), the feeding belt conveyor adopts a herringbone pattern inclined belt conveyor, and its headIt is located directly on the mixer, and the aggregate is fed directly from the output of the belt conveyor. The installation angle of the belt conveyor is adjustable, the process is simple, and the structure is compact, making the configuration of the commercial mixing station more ideal. The advantage of the high-incline belt conveyor is that it occupies a small area and has a large conveying inclination angle, usually 70°. It is mainly used for continuous conveying of bulk materials at large inclination angles.
5. Metering system
The metering system of the concrete mixing station combines the metering devices of cement, admixtures, water and additives and their The frame structure adopts a modular structure design and is located directly on the mixer. The measurement devices are centralized, the frame is integrated, and the supports are shortened. The upper structure of the mixer is compact, installation and debugging are simple, disassembly and movement are convenient, the mixer table is smooth, maintenance is convenient, and the appearance is simpler and more beautiful.
6. Cement silo
The cement silo is the powder storage device of the concrete mixing station. It is equipped with a silo dust collector and an arch breaking device. The dust collector on the top of the warehouse adopts advanced bag dust collector, which has better dust removal effect and can be used repeatedly. It is also equipped with vibration dust cleaning function; more arch breaking points will lead to better arch breaking effect.
7. Material transportation equipment
Transportation equipment includes aggregate transportation equipment, cement transportation equipment, water pumps, etc. Aggregate transportation equipment includes belt conveyors, lifting buckets, etc. The belt conveyor is a commonly used aggregate transportation equipment in mixing stations, and it is a transportation equipment that can be used in one-stage mixing stations; there are basically two types of cement transportation equipment: Screw conveyor and pneumatic conveying system. The pneumatic conveying system suspends the cement in the air and transports the mixed gas along the pipeline. It consists of a feeder, a conveying pipe and a dust collector, but it is not very widely used.
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