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of issue:2021-03-05 15:21:05
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Concrete Batching Plant
Description
effect
Concrete mixing station is a combined device used for centralized mixing of concrete, also known as concrete prefabrication yard. Due to its high degree of mechanization and automation, it is also highly productive and can ensure the quality of concrete and save cement. It is commonly used in large and medium-sized water conservancy, power, bridge, and other projects with large quantities of concrete work, long construction periods, and concentrated construction sites. With the development of municipal construction, mixing plants that use centralized mixing and provide commercial concrete have great advantages, and have developed rapidly, creating conditions for the promotion of concrete pumping construction and the realization of combined operations of mixing, conveying, and pouring machinery.
characteristic
The concrete mixing station is a construction material manufacturing equipment composed of five major components: a mixing host, a material weighing system, a material conveying system, a material storage system, and a control system, as well as other auxiliary facilities. The main principle of its work is to use cement as a cementing material, mix and mix raw materials such as sand, lime, and coal cinder, and finally produce concrete, which is used as wall material for construction and production. Concrete mixing stations have been playing an important role in the construction and building materials industry in China since they were put into use. Of course, this is also determined by the superior characteristics of concrete mixing stations themselves.
The concrete mixing station is mainly divided into four parts: sand and gravel feeding, powder feeding, water and admixture feeding, transmission, mixing, and storage. The entire body of the equipment is cast using an integral steel structure. High quality H-shaped steel not only has a beautiful appearance, but also enhances the overall structural strength of the concrete mixing station. The equipment is easy to install, and can be applied to various complex terrain structures.
The concrete mixing station has good mixing performance, and the equipment adopts a spiral double horizontal shaft forced mixing host. Not only can the mixer be strong, but also it can achieve good mixing effects for dry, hard, plastic, and various proportions of concrete. And the stirring is uniform, with high efficiency.
The concrete mixing station not only has excellent mixing hosts, but also has various excellent accessories, such as screw conveyors, metering sensors, pneumatic components, etc. These components ensure a high degree of reliability, accurate metering skills, and ultra-long service life during the operation of the concrete mixing station. At the same time, each maintenance position of the concrete mixing station is equipped with a walkway or inspection ladder, and has sufficient operating space. The mixing host can be equipped with a high-pressure automatic cleaning system, with automatic alarm functions for oil shortage and overtemperature, facilitating equipment maintenance.
The concrete mixing station has a good environmental protection function. During the operation of the machine, the powder handling is conducted in a fully closed system. The powder tank uses efficient dust collectors/mist spraying methods to greatly reduce dust pollution to the environment. At the same time, the concrete mixing station uses noise elimination devices for the exhaust and discharge equipment of the pneumatic system to effectively reduce noise pollution.
Specification and model
The specifications and sizes of mixing plants are named based on their theoretical production per hour. The commonly used specifications in China include: HZS25, HZS35, HZS50, HZS60, HZS75, HZS90, HZS120, HZS150, HZS180, HZS240, etc. For example, HZS25 refers to a mixing plant with a production capacity of 25 cubic meters per hour, and the main machine is a dual horizontal shaft forced mixer. If the main machine uses a single horizontal shaft, the model is HZD25.
classification
Generally speaking, concrete mixing stations are divided into two categories: fixed mixing stations and mobile mixing stations, which are also the first classification that many manufacturers distinguish during production. The majority of fixed mixing stations also adopt a modular and easy to splice design, which is mainly used in large-scale commercial concrete manufacturers or concrete component related manufacturers, and can be used in large-scale engineering construction. The characteristics are strong production capacity, stable work, and good anti-interference. The mobile mixing station is pulled by a towing unit and has good mobility, making production more flexible. It is generally used for various small and medium-sized temporary construction projects, and can be rented for personal use.
According to the purpose, it can be divided into commercial concrete mixing stations and engineering concrete mixing stations. Commercial mixing stations are concrete mixing stations mainly for commercial purposes, which should be efficient, economical, and meet the requirements of environmental protection. Engineering mixing stations are designed for their own use, and it is necessary to consider whether they comply with their own projects.
According to the layout process, it is generally divided into a one-step type and a two-step type. The one-step type refers to the one-time lifting of sand and gravel aggregates, cement, etc., to the silo on the top of the mixing plant. Various materials are processed from top to bottom according to the production process, and finally discharged from the bottom layer, which is commonly seen in the mixing plant. Such a mixing station is divided from top to bottom into a silo layer, a weighing layer, a mixing layer, and a discharge layer. The mixing efficiency is very high, but the construction is difficult, the demolition is inconvenient, and the investment cost is high. Compared to the first stage, the second stage, which measures the aggregate and then lifts the mixer again, takes up a large area, and the mixing efficiency is slightly lower than the first stage, but it is convenient for disassembly and assembly, has low manufacturing costs, and is easy to install, and is widely used, Moreover, the production capacity of the improved two-stage mixing plant can be comparable to that of the one-step mixing plant.
According to the number of mixers, the mixing station can be divided into single host mixing station and dual host mixing station. The model name of the dual host mixing station is 2HZS series concrete mixing station, such as 2HZS25 concrete mixing station, which means that the theoretical production rate of the dual host mixing station with two JS500 mixing hosts is 2 * 25m ³/ h. Dual host mixing station is a good supplement to the same type of mixing station
According to the weighing method, it can be divided into independent weighing and cumulative weighing methods. Independent weighing will provide a separate weighing unit for each material, and after weighing each material, it will be added to the mixer for internal mixing. This weighing method has high accuracy, but its design is complex and its cost is high; Cumulative weighing is the process of adding all aggregates into a unified hopper, which is prone to error accumulation and is detrimental to final production. Moreover, the more batching silos, the more prone they are to deviations, and is not suitable for use in large-scale projects. However, the structural design is simple and the cost is cheap
Concrete mixing station is a combined device used for centralized mixing of concrete, also known as concrete prefabrication yard. Due to its high degree of mechanization and automation, it is also highly productive and can ensure the quality of concrete and save cement. It is commonly used in large and medium-sized water conservancy, power, bridge, and other projects with large quantities of concrete work, long construction periods, and concentrated construction sites. With the development of municipal construction, mixing plants that use centralized mixing and provide commercial concrete have great advantages, and have developed rapidly, creating conditions for the promotion of concrete pumping construction and the realization of combined operations of mixing, conveying, and pouring machinery.
characteristic
The concrete mixing station is a construction material manufacturing equipment composed of five major components: a mixing host, a material weighing system, a material conveying system, a material storage system, and a control system, as well as other auxiliary facilities. The main principle of its work is to use cement as a cementing material, mix and mix raw materials such as sand, lime, and coal cinder, and finally produce concrete, which is used as wall material for construction and production. Concrete mixing stations have been playing an important role in the construction and building materials industry in China since they were put into use. Of course, this is also determined by the superior characteristics of concrete mixing stations themselves.
The concrete mixing station is mainly divided into four parts: sand and gravel feeding, powder feeding, water and admixture feeding, transmission, mixing, and storage. The entire body of the equipment is cast using an integral steel structure. High quality H-shaped steel not only has a beautiful appearance, but also enhances the overall structural strength of the concrete mixing station. The equipment is easy to install, and can be applied to various complex terrain structures.
The concrete mixing station has good mixing performance, and the equipment adopts a spiral double horizontal shaft forced mixing host. Not only can the mixer be strong, but also it can achieve good mixing effects for dry, hard, plastic, and various proportions of concrete. And the stirring is uniform, with high efficiency.
The concrete mixing station not only has excellent mixing hosts, but also has various excellent accessories, such as screw conveyors, metering sensors, pneumatic components, etc. These components ensure a high degree of reliability, accurate metering skills, and ultra-long service life during the operation of the concrete mixing station. At the same time, each maintenance position of the concrete mixing station is equipped with a walkway or inspection ladder, and has sufficient operating space. The mixing host can be equipped with a high-pressure automatic cleaning system, with automatic alarm functions for oil shortage and overtemperature, facilitating equipment maintenance.
The concrete mixing station has a good environmental protection function. During the operation of the machine, the powder handling is conducted in a fully closed system. The powder tank uses efficient dust collectors/mist spraying methods to greatly reduce dust pollution to the environment. At the same time, the concrete mixing station uses noise elimination devices for the exhaust and discharge equipment of the pneumatic system to effectively reduce noise pollution.
Specification and model
The specifications and sizes of mixing plants are named based on their theoretical production per hour. The commonly used specifications in China include: HZS25, HZS35, HZS50, HZS60, HZS75, HZS90, HZS120, HZS150, HZS180, HZS240, etc. For example, HZS25 refers to a mixing plant with a production capacity of 25 cubic meters per hour, and the main machine is a dual horizontal shaft forced mixer. If the main machine uses a single horizontal shaft, the model is HZD25.
classification
Generally speaking, concrete mixing stations are divided into two categories: fixed mixing stations and mobile mixing stations, which are also the first classification that many manufacturers distinguish during production. The majority of fixed mixing stations also adopt a modular and easy to splice design, which is mainly used in large-scale commercial concrete manufacturers or concrete component related manufacturers, and can be used in large-scale engineering construction. The characteristics are strong production capacity, stable work, and good anti-interference. The mobile mixing station is pulled by a towing unit and has good mobility, making production more flexible. It is generally used for various small and medium-sized temporary construction projects, and can be rented for personal use.
According to the purpose, it can be divided into commercial concrete mixing stations and engineering concrete mixing stations. Commercial mixing stations are concrete mixing stations mainly for commercial purposes, which should be efficient, economical, and meet the requirements of environmental protection. Engineering mixing stations are designed for their own use, and it is necessary to consider whether they comply with their own projects.
According to the layout process, it is generally divided into a one-step type and a two-step type. The one-step type refers to the one-time lifting of sand and gravel aggregates, cement, etc., to the silo on the top of the mixing plant. Various materials are processed from top to bottom according to the production process, and finally discharged from the bottom layer, which is commonly seen in the mixing plant. Such a mixing station is divided from top to bottom into a silo layer, a weighing layer, a mixing layer, and a discharge layer. The mixing efficiency is very high, but the construction is difficult, the demolition is inconvenient, and the investment cost is high. Compared to the first stage, the second stage, which measures the aggregate and then lifts the mixer again, takes up a large area, and the mixing efficiency is slightly lower than the first stage, but it is convenient for disassembly and assembly, has low manufacturing costs, and is easy to install, and is widely used, Moreover, the production capacity of the improved two-stage mixing plant can be comparable to that of the one-step mixing plant.
According to the number of mixers, the mixing station can be divided into single host mixing station and dual host mixing station. The model name of the dual host mixing station is 2HZS series concrete mixing station, such as 2HZS25 concrete mixing station, which means that the theoretical production rate of the dual host mixing station with two JS500 mixing hosts is 2 * 25m ³/ h. Dual host mixing station is a good supplement to the same type of mixing station
According to the weighing method, it can be divided into independent weighing and cumulative weighing methods. Independent weighing will provide a separate weighing unit for each material, and after weighing each material, it will be added to the mixer for internal mixing. This weighing method has high accuracy, but its design is complex and its cost is high; Cumulative weighing is the process of adding all aggregates into a unified hopper, which is prone to error accumulation and is detrimental to final production. Moreover, the more batching silos, the more prone they are to deviations, and is not suitable for use in large-scale projects. However, the structural design is simple and the cost is cheap
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