CN206765100U - Sunk type concrete mixing plant - Google Patents

Abstract

The utility model discloses a sunken concrete mixing plant, which comprises a storage system for storing materials, a mixing device and a control system, and also includes a material lifting system and a discharge device, and the storage system and the mixing device are both arranged on the ground In the pit below, the control system and the unloading device are set on the ground, and the stirring device is connected with the unloading device through the material lifting system; the whole equipment is moved underground, eliminating the need for high-altitude operations on the ground and changing the transportation of materials It can realize the horizontal transportation of the initial material, shorten the material transportation distance, reduce the material spillage, not only improve the system operation speed, but also reduce the number of workers; the whole system layout is more compact, which not only saves energy consumption, but also improves The work efficiency is improved; the equipment is located underground, and can also form a closed space, which is not only conducive to dust collection, but also can eliminate low-frequency vibration, reduce noise pollution, and realize centralized control of dust and noise pollution sources.

Description

Sunken concrete mixing plant

technical field

The utility model belongs to the field of mixing stations and relates to a sunken concrete mixing station.

Background technique

Concrete mixing station (building) is a joint device used to centrally mix concrete, also known as concrete prefabrication field. Due to its high degree of mechanization and automation, its productivity is also high, and it can ensure the quality of concrete and save cement. It is often used in large and medium-sized water conservancy, electric power, bridges and other projects with large concrete engineering volume, long construction period, and concentrated construction sites.

In the prior art, large-scale equipment such as concrete mixing plants (buildings), material storage devices, and mixing devices are relatively high on the ground. Although the tank trucks can be loaded with material by dropping, the powder tanks are built at high places, requiring For lifting and loading, aggregates such as sand and gravel require additional conveying devices to lift the materials to the inlet of the mixing machine. The lifting height is large and the air transmission distance is long, which brings more problems, mainly in the following aspects :

(1) It is difficult to isolate dust, noise and vibration;

(2) The production efficiency is low. The actual performance of a 3-square unit with a nominal capacity of 180 cubic meters per hour is often around 50%, that is, the actual production capacity is only 90-100 cubic meters;

(3) It occupies a large area and the cost of land use is relatively high;

(4) High energy consumption, high cost, unavoidable spillage of materials during the lifting process, and the need to equip multiple people for cleaning and maintenance, which increases the labor cost of the enterprise;

(5) There are many and tall buildings on the ground, with obvious industrial pollution signs, which are not in harmony with the surrounding environment of urban and rural construction planning, and the site selection range is small, making it difficult to supply materials nearby.

In general, the existing equipment is not conducive to energy saving and emission reduction, reducing energy consumption of enterprises and improving production efficiency. At the same time, it is also necessary to consider the problems of earthquake resistance, wind speed, possible dumping and high-altitude operations brought about by the high height of the equipment, which leads to the limited shape and volume of each device, which greatly restricts the production capacity of the concrete mixing plant (building). , penetration and locality.

Contents of the invention

In view of this, the purpose of this utility model is to provide a sunken concrete mixing plant, which can reduce the occupied area, reduce noise and dust pollution, improve the production efficiency of the concrete mixing plant, and reduce the maintenance and cleaning labor by improving the layout. number of people.

In order to achieve the above purpose, the utility model provides the following technical solutions: a sunken concrete mixing plant, including a storage system for storing materials, a mixing device and a control system, and also includes a material lifting system and a discharge device, the storage Both the system and the stirring device are arranged in a pit below the ground, the control system and the unloading device are arranged on the ground, and the stirring device is connected to the unloading device through a material lifting system.

Further, the storage system includes a powder silo, a gravel batching bin, a water storage bin, and an additive bin. There are several powder bins arranged horizontally on one side of the stirring device. There are at least two sand and gravel batching bins. one, arranged horizontally on the other side of the stirring device adjacent to the powder hopper, the bottom of the gravel batching silo is provided with a conveyor belt connected to the inlet of the stirring device, and the water storage silo and the additive silo are arranged on the powder silo Between the silo and the gravel batching silo.

Further, the material lifting system is arranged on one side of the stirring device and corresponds to the conveyor belt.

Further, the material inlet of the gravel batching bin is not higher than the ground.

Further, the powder silo includes a cement silo and a blending silo, a weighing system is arranged above the stirring device, and the discharge ends of the cement silo and each blending silo pass through a screw conveyor and a weighing system. connected; the water storage bin and the admixture bin are connected to the weighing system through a control pipeline.

Further, it also includes a dust removal device correspondingly arranged above the powder hopper and the stirring device.

Further, the top surface of the pit is covered with a cover, and the cover is provided with an inspection port, a ventilation port and a sand and gravel input port, and the sand and gravel input port communicates with the material inlet of the sand and gravel batching bin. The material lifting system described above extends out of the cover.

The beneficial effect of the utility model is that: the overall equipment is moved underground, eliminating the high-altitude operation on the ground, changing the conveying situation of the material, realizing the horizontal conveying of the initial material, shortening the conveying distance of the material, and reducing the falling of the material, It not only improves the operating speed of the system, but also reduces the number of workers; the whole system layout is more compact, which not only saves energy consumption, but also improves work efficiency; the equipment is located underground, which can form a closed space, which is not only conducive to dust collection, but also can eliminate Low-frequency vibration reduces noise pollution.

In general, the mixing plant uses the sealed pit to completely seal the mixing main engine (that is, the mixing device) and material transmission, completely solving environmental problems such as dust, noise, vibration, etc.; using the mixing main engine to sink, it realizes material level and downward feeding , which shortens the material conveying distance, reduces the material conveying cost, and improves the conveying speed; the discharge link can be reasonably matched with the buffer warehouse technology, so that the mixing unit does not have to stop running while waiting for the tanker to receive the material, which solves the bottleneck of the output speed of the finished product; large Significantly reduce the occupied area, save the cost of land use, and improve the efficiency of land use; greatly reduce the number and height of ground buildings, and can greatly expand the cross-sectional area and volume of the storage silo without worrying about earthquake dumping, wind speed, and high-altitude operations The shape of the storage bin can also be changed according to the specific conditions in the pit, and the arrangement with the mixing host is more compact, which reduces the adverse impact on the environment, avoids conflicts with urban and rural construction planning, and expands the scope of optional sites for station construction. , to shorten the distance from the material site, realize the nearby construction of the station to supply materials, and ensure the timely supply of materials to the surrounding sites.

Description of drawings

In order to make the purpose, technical solutions and beneficial effects of the utility model clearer, the utility model provides the following drawings for illustration:

Fig. 1 is the technological arrangement schematic diagram of the present utility model;

Fig. 2 is the I-I sectional view of Fig. 1;

Fig. 3 is the II-II sectional view of Fig. 1;

Fig. 4 is a III-III sectional view of Fig. 1;

Fig. 5 is a IV-IV sectional view of Fig. 1 .

detailed description

The preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

As shown in the figure, the utility model provides the following technical solutions: a sunken concrete mixing plant, including a storage system for storing materials, a mixing device 1 and a control system, and also includes a material lifting system 2 and a discharge device 3, The storage system and the stirring device 1 are arranged in the pit 4 below the ground, the control system and the unloading device 3 are arranged on the ground, and the stirring device 1 is connected to the unloading device 3 through the material lifting system 2 .

In this embodiment, the control system and the unloading device 3 are set on the ground, and the operator can control the lower operation through the monitoring system set in the pit and the control system on the ground without entering the pit, which improves the safety of the operation . The storage system and the mixing device 1 are located underground, and the materials on the ground can be transported horizontally; that is, the materials are transported to the storage system, and the materials are correspondingly transported to the storage bins in the storage system by dropping the material. The lifting process is simplified, and the difficulty and energy consumption of feeding materials are reduced. By completing the mixing and stirring underground, the external noise pollution is reduced. In addition, since all parts are operated underground, the dust generated during the operation can be closed and recycled, further reducing the external dust pollution.

The material lifting system 2 in this embodiment is a belt conveyor, which is arranged obliquely in the pit, lifts the material lowered by the stirring device to the ground, and loads it into the tanker through the unloading device 3 . The belt conveyor can be arranged in various forms. According to the topography and height of the pit, it can be arranged in inclined type, inclined + straight conveying type, etc.

The storage system in this embodiment includes a powder silo 5, a gravel batching silo 6, a water storage silo 7 and an admixture silo 8. There are several powder silos 5 arranged horizontally on one side of the stirring device 1. There are at least two gravel batching bins 6, which are arranged horizontally on the other side of the mixing device 1 next to the powder bin. The bottom of the gravel batching bin 6 is provided with a conveyor belt 9 connected to the inlet of the mixing device 1. The water storage bin 7 and the additive bin 8 are arranged between the powder bin 5 and the gravel batching bin 6 . Specifically, the sand and gravel batching bin 6 is a multi-stage structure, which can realize sand and gravel batching, weighing and unloading. It quantitatively transports the aggregate to the stirring device 1 through the conveyor belt 9, and the feed port of the sand and gravel batching bin 6 Not higher than the ground, the feed truck directly transports the aggregate to the material inlet of the sand and gravel batching bin 6 on the ground, and the aggregate can be added by dropping the material, which saves the aggregate lifting process and reduces energy consumption , saving the floor area. The sand and gravel batching bin 6 here also has the function of a storage bin. By expanding its volume and setting up multiple groups side by side, the aggregates such as sand and gravel sent by the feeding truck are temporarily stored, so as to realize the support of the conveyor belt to the mixing device. Continuous feeding saves waiting time and improves work efficiency.

In this embodiment, the material lifting system 2 is arranged on one side of the stirring device 1 and corresponds to the conveyor belt 9 .

The powder silo 5 in the present embodiment includes a cement silo and a blending silo, the blending silo is composed of mineral powder bins, fly ash bins and other powder bins, a weighing system is arranged above the mixing device 1, The discharge end of the cement silo and each blending silo are connected to the weighing system through the screw conveyor 10; the water storage bin 7 and the additive bin 8 are connected to the weighing system through the control pipeline.

As a further improvement of the above solution, it also includes a dust removal device 11 correspondingly arranged above the powder silo 5 and the stirring device 1 . The dust removal device 11 in this embodiment is a bag dust removal device, which can collect the dust generated by the stirring device 1 during the stirring process, thereby reducing the dust concentration in the pit. Of course, a dust collection and filtering device can also be added on the upper part of the pit to reduce dust and purify the air in the entire pit.

As a further improvement of the above scheme, the top surface of the pit 4 is covered with a cover, and the cover and the pit 4 jointly form an underground sealed space, and the mixing device and material transmission are enclosed to completely solve the problem of dust, noise, vibration, etc. Environmental chronic disease. The cover is provided with an inspection port, a ventilation port and a gravel input port, the gravel input port communicates with the material inlet of the gravel batching bin, and the material lifting system 2 protrudes out of the cover to mix well. The concrete is exported outside the pit.

Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that it can be described in the form Various changes can be made in the above and in the details without departing from the scope defined by the claims of the present invention.

Claims (7)

1. A sunken concrete mixing plant, including a storage system for storing materials, a mixing device and a control system, characterized in that: it also includes a material lifting system and a discharge device, and the storage system and the mixing device are arranged in In the pit below the ground, the control system and the unloading device are arranged on the ground, and the stirring device is connected with the unloading device through a material lifting system. 2. The sunken concrete mixing plant according to claim 1, characterized in that: the storage system includes a powder silo, a gravel batching silo, a water storage silo and an admixture silo, and the powder silo has several , arranged horizontally on one side of the stirring device, there are at least two sand and gravel batching bins, arranged horizontally on the other side of the stirring device next to the powder bin, the bottom of the sand and gravel batching bin is provided with a material inlet of the stirring device The connected conveyor belt, the water storage bin and the admixture bin are arranged between the powder bin and the sand and gravel batching bin. 3. The sunken concrete mixing plant according to claim 2, characterized in that: the material lifting system is arranged on one side of the mixing device and corresponds to the conveyor belt. 4. The sunken concrete mixing plant according to claim 2, characterized in that: the material inlet of the gravel batching bin is not higher than the ground. 5. The sunken concrete mixing plant according to claim 2, characterized in that: the powder silo includes a cement silo and a blending silo, a weighing system is arranged above the mixing device, and the cement silo and The discharge end of each blending silo is connected with the weighing system through a screw conveyor; the water storage bin and the additive bin are connected with the weighing system through a control pipeline. 6. The sunken concrete mixing plant according to claim 2, further comprising a dust removal device correspondingly arranged above the powder silo and the mixing device. 7. The sunken concrete mixing plant according to claim 2, characterized in that: the top surface of the pit is covered with a cover, and there are maintenance ports, ventilation ports and gravel input ports on the cover , the gravel input port communicates with the gravel batching bin feed port, and the material lifting system protrudes from the cover.