CN206678188U - Sunk type stabilized soil mixing station - Google Patents

Abstract

The utility model discloses a sunken stabilized soil mixing station, which comprises a storage system, a stirring device, a finished product storage bin, an electrical control system, a buffer hopper, a material lifting system, a discharge device, a storage system, a stirring device and a finished product storage bin. In the pit, the electrical control system and the unloading device are located on the ground, the finished product storage bin is set under the mixing device, one end of the material lifting system is set under the finished product storage bin, and the other end is connected with the buffer hopper set on the pit for discharging The device is set under the buffer hopper; the whole equipment is moved underground, which eliminates the high-altitude operation on the ground, and can realize the horizontal transportation of the initial material, shorten the material transportation distance, and reduce the material spillage; the system layout is more compact, which not only saves energy consumption , which improves work efficiency; the equipment is located underground to 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 stabilized soil mixing plant

technical field

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

Background technique

Stabilized soil mixing plant is one of the important models of road construction machinery. The so-called stabilized soil mixing station is a special production equipment that uniformly mixes materials such as soil, crushed stone, gravel, cement, fly ash, lime and water at a fixed location according to the construction mix ratio. A high-efficiency stabilized soil base construction machine has the advantages of high material grading accuracy, good mixing uniformity, material saving, easy automatic control, etc., and can better ensure the quality of stabilized soil materials, so it is widely used in highways and urban roads Base and subbase construction.

In the stabilized soil mixing station in the prior art, the height of large equipment such as material storage device and mixing device on the ground is relatively high. Although the tanker can be loaded with material by dropping, the powder tank is built at a high place and needs to be lifted up. Aggregate such as material, sand and gravel requires an additional conveying device to lift the material 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 and popularization of the stabilized soil mixing plant. rate and locality.

Contents of the invention

In view of this, the purpose of this utility model is to provide a sunken stabilized soil mixing plant, by improving the layout form, reducing the occupied area, reducing noise and dust pollution, while improving the production efficiency of the stabilized soil mixing plant, reducing maintenance and cleaning number of employees.

In order to achieve the above purpose, the utility model provides the following technical solutions: a sunken stabilized soil mixing station, including a storage system for storing materials, a stirring device, a finished product storage bin and an electrical control system, and also includes a buffer hopper, a material lifting System and unloading device, the storage system, stirring device and finished product storage bin are arranged in the pit below the ground, the electrical control system and unloading device are set on the ground, and the finished product storage bin is set under the stirring device , one end of the material lifting system is arranged under the finished product storage bin, and the other end is connected with a buffer hopper arranged on the pit, and the unloading device is arranged under the buffer hopper.

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 an inspection port, a ventilation port, and a sand and gravel input port are left on the cover, and the sand and gravel input port communicates with the entrance of the gravel batching bin. The lifting system 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 stabilized soil mixing station, including a storage system for storing materials, a mixing device 1, a finished product storage bin and an electrical control system, and also includes a buffer hopper, a material The lifting system 2 and the unloading device 3, the storage system, the stirring device 1 and the finished product storage bin are all arranged in the pit 4 below the ground, the electrical control system and the unloading device 3 are arranged on the ground, and the finished product The silo is set under the mixing device, one end of the material lifting system is set under the finished product silo, and the other end is connected with the buffer hopper set on the pit, and the unloading device 3 is set under the buffer hopper.

In this embodiment, the electrical control system and the unloading device 3 are arranged on the ground, and the operator can control the lower operation through the monitoring system installed in the pit and the electrical control system on the ground without entering the pit, which improves the operation efficiency. safety. 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 finished product storage bin located below the stirring device 1 can realize the continuous operation of the stirring device 1 and the uninterrupted output of materials. Correspondingly, the buffer hopper installed above the unloading device 3 can further temporarily buffer the materials lifted by the material lifting system 2. storage, thereby shortening the waiting time of the transport vehicle/transfer vehicle and improving work efficiency. According to the actual situation, the shock device can also be added to the buffer hopper.

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 transport vehicle 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 several powder silos 5, sand and gravel batching silos 6, water storage silos 7 and admixture silos 8, each powder silo has a rectangular cross-section and is horizontally arranged 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 stirring device 1 next to the powder bin, and the bottom of the gravel batching bin 6 is provided with a conveyor belt connected to the feeding port of the stirring device 1 9. The water storage bin 7 and the admixture 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 space. Each powder bin in this embodiment is a rectangular bin, which can not only facilitate the realization of a compact arrangement, but also increase the storage capacity of the powder. The sand and gravel batching bin 6 here also has the function of a storage bin. By expanding its volume and arranging multiple groups side by side, it can directly receive the sand and gravel and other aggregates sent by the feeding truck, and realize the collection of sand and gravel and other aggregates. Temporary storage to realize the continuous feeding of the conveyor belt to the mixing device, saving waiting time and improving 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 entrance of the gravel batching bin, and the material lifting system 2 extends out of the cover to stabilize the stirred The soil is output outside the pit.

Finally, it is 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 kind of sunk type stabilized soil mixing station, including for storing stocking system, agitating device, finished product bunker and the electricity of material Gas control system, it is characterised in that：Also include buffering hopper, material hoisting system and device for discharging, the stocking system, stirring Device and finished product bunker are arranged in the melt pit of below ground, and the electric control system is arranged on ground with device for discharging On, the finished product bunker is arranged on below agitating device, and described material hoisting system one end is arranged on below finished product bunker, another Hold and be connected with the buffering hopper being arranged on melt pit, the device for discharging is arranged on below buffering hopper.

2. sunk type stabilized soil mixing station according to claim 1, it is characterised in that：The stocking system includes powder Storehouse, sandstone batch bin, water storage warehouse and additive storehouse, the filler bin have several, horizontally arranged in agitating device side, institute State sandstone batch bin at least two, at the horizontally arranged agitating device opposite side close to filler bin, the sandstone batch bin Bottom is provided with the conveyer belt being connected with agitating device feeding mouth, and the water storage warehouse and additive storehouse are arranged on filler bin and sand Between stone batch bin.

3. sunk type stabilized soil mixing station according to claim 2, it is characterised in that：The material hoisting system is arranged on Agitating device side is simultaneously corresponding with conveyer belt.

4. sunk type stabilized soil mixing station according to claim 2, it is characterised in that：The feeding mouth of the sandstone batch bin Not higher than ground.

5. sunk type stabilized soil mixing station according to claim 2, it is characterised in that：The filler bin include cement bin and Feed bin is admixed, Weighing system is provided with above the agitating device, the cement bin and each discharge end for admixing feed bin pass through spiral shell Rotation conveyer is connected with Weighing system；The water storage warehouse and additive storehouse are connected by control piper with Weighing system.

6. sunk type stabilized soil mixing station according to claim 2, it is characterised in that：Also include being correspondingly arranged at filler bin And the dust arrester above agitating device.

7. sunk type stabilized soil mixing station according to claim 2, it is characterised in that：The melt pit top surface is stamped capping, Access hole, ventilation mouth and sandstone input port, the sandstone input port and sandstone batch bin entrance phase are left in the capping Logical, the material hoisting system stretches out capping.