Pretreatment device for aggregate with high stone powder content

Abstract

The utility model relates to the technical field of high-stone-powder-content aggregates, in particular to a high-stone-powder-content aggregate pretreatment device. According to the technical scheme, the device comprises a treatment box body, a workbench and a water tank, supporting legs are fixed to the lower surface of the workbench, a bottom plate is welded to the lower surfaces of the supporting legs, the water tank is placed on the upper surface of the bottom plate, the outer end face of one side of the water tank communicates with a water inlet pipe, and the outer surface of the water inlet pipe is in threaded connection with a water inlet valve; the upper surface of the water tank communicates with a water outlet pipe, the water outlet pipe communicates with the rotating pipe, a treatment box body is fixed to the upper surface of the workbench, a sealing cover is connected to the upper surface of the treatment box body through hinges, a handle is welded to the upper surface of the sealing cover, and a sealing door is connected to the outer end face of one side of the treatment box body through hinges. A partition plate is fixed to the inner wall of the treatment box body, the upper surface of the partition plate is rotationally connected with a powder selecting barrel, and an outer rod is fixed to the inner wall of the treatment box body. According to the utility model, the powder selecting precision and the grading efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high stone powder content, in particular to a high stone powder content aggregate pretreatment device. Background Art

[0002] With the rapid development of the market economy and increasingly fierce industry competition, quality is becoming more and more important to an enterprise. The quality of products is one of the manifestations of the core competitiveness of an enterprise. Improving product quality is an important means to ensure the market share and sustainable operation of the enterprise. The reason why quality has become more important today than in the past is that the market environment has undergone fundamental changes compared with the era of commodity shortages, and the pursuit of product quality and product cost performance is pursued. From the development of many successful enterprises, all of them are excellent representatives who attach importance to product and service quality and pursue customer experience.

[0003] The prior art discloses a mix design method for preparing concrete using stone chips with high stone powder content in CN107188494A, which includes the following steps: (1) obtaining the ratio of large and small stones and the sand ratio through a close packing test of stone chips with high stone powder content and gravel; (2) calculating the porosity of sand and gravel; (3) selecting the composition of cementitious materials and the water-cement ratio; (4) calculating the amount of cementitious materials and water; (5) calculating the additional water amount of stone chips with high stone powder content; (6) selecting the admixture dosage; (7) calculating the preliminary concrete calculation mix ratio; (8) calculating the concrete calculation mix ratio at different slurry surplus coefficient n values ​​and determining the n value; (9) determining the sand ratio; (10) determining the final mix ratio. The mix ratio designed by the present invention can use stone chips with high stone powder content to completely replace river sand to prepare concrete, and effectively use the stone powder in the stone chips with high stone powder content to fill the voids of aggregates, thereby reducing the amount of cementitious materials, achieving the effect of protecting the environment and saving costs, and is conducive to promoting the application of stone chips with high stone powder content in concrete.

[0004] At present, the mining of limestone in the mine has reached the 35th platform. The mud content of limestone in this platform is large, and the quality of the finished product fluctuates and the methylene blue exceeds the standard, which affects the sales of materials and the products are unsalable. The sand mixer is a device that evenly mixes the components in the molding sand and effectively coats the binder on the surface of the sand particles. The machine-made sand mixer needs to add water continuously during the working process, but the existing equipment cannot complete the water addition treatment in every corner of the box, which leads to the phenomenon of poor quality of the finished sand in the later stage; and the existing screening machine and machine-made sand system have low ability to handle high-powder aggregates, and the main cyclone pipe is very easy to be blocked, which cannot meet the current quality requirements and affect the quality of aggregates. Utility Model Content

[0005] The purpose of the utility model is to provide a high-stone powder content aggregate pretreatment device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high stone powder content aggregate pretreatment device, comprising a treatment box body, a workbench and a water tank, the lower surface of the workbench is fixed with supporting legs, and the upper surface of the workbench is fixed with the treatment box body, the inner wall of the treatment box body is fixed with a partition, and the upper surface of the partition is rotatably connected to a powder selection bucket, the inner wall of the treatment box body is fixed with an outer rod, and the inner bottom end of the treatment box body is rotatably connected to a rotating tube, and the outer surface of the rotating tube is connected to a nozzle.

[0007] When using a high-stone powder content aggregate pretreatment device in the technical solution, hold the handle, drive the handle to open the sealing cover, put the high-stone powder into the powder selection barrel, and the chassis drives the powder selection barrel to rotate under the action of the power device. The rotation of the powder selection barrel can screen the high-stone powder, and the material powder content detection device is used to determine the process requirements and then freely control the start and stop, increase the workload to achieve high-powder aggregate de-powdering, and improve the powder selection accuracy and grading efficiency; at the same time, the process effect of the air volume and wind speed can be tested, the powder content can be controlled, and the optimal working parameters can be determined, thereby improving the powder selection efficiency.

[0008] Preferably, the upper surface of the treatment box body is hingedly connected with a sealing cover, and a handle is welded on the upper surface of the sealing cover. By arranging the handle on the upper surface of the sealing cover, it is convenient to hold the handle to open or close the sealing cover.

[0009] Preferably, the powder selection barrel and the partition are both hollowed out, and a chassis is fixed on the lower surface of the partition, a motor is installed inside the chassis, and the rotating shaft of the motor is fixed to the powder selection barrel. By arranging the chassis on the lower surface of the partition, it is convenient to drive the powder selection barrel to rotate.

[0010] Preferably, a bottom plate is welded to the lower surface of the support leg, and a water tank is placed on the upper surface of the bottom plate. By arranging the bottom plate on the lower surface of the support leg, it is convenient to support the workbench.

[0011] Preferably, an outer end surface of one side of the water tank is connected to a water inlet pipe, and the outer surface of the water inlet pipe is threadedly connected to a water inlet valve, and an upper surface of the water tank is connected to a water outlet pipe, and the water outlet pipe is connected to the rotating pipe. By arranging the water inlet pipe on one side of the water tank, it is convenient to pour water into the water tank through the water inlet pipe.

[0012] Preferably, the outer end surface of one side of the outer rod is movably connected with the inner rod, and the outer end surface of one side of the inner rod is fixed with a push plate. By arranging the inner rod and the push plate on one side of the outer rod, the powder selection barrel can be driven to vibrate.

[0013] Preferably, a sealing door is hingedly connected to one side of the outer end surface of the treatment box body, and a handle is welded to one side of the outer end surface of the sealing door. By arranging a handle on one side of the sealing door, it is convenient to hold the handle to open or close the sealing door.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model achieves the effect of improving the powder selection accuracy and classification efficiency by arranging the powder selection barrel, the chassis and the partition. The hand drives the handle to open the sealing cover, and the high stone powder is put into the powder selection barrel. The chassis drives the powder selection barrel to rotate under the action of the power device. The rotation of the powder selection barrel can screen the high stone powder. The material powder content detection device is used to determine the process requirements and then freely control the start and stop. The workload is increased to realize the de-powdering of high-powder aggregates, thereby improving the powder selection accuracy and classification efficiency. At the same time, the process effect trial production of the air volume and wind speed can be carried out, the powder content can be controlled, and the optimal working parameters can be determined, thereby improving the powder selection efficiency.

[0016] 2. The utility model achieves the effect of facilitating wet mixing by arranging a water tank, a water inlet pipe and a rotating pipe. The water inlet valve is opened, and water is poured into the water tank through the water inlet pipe. The rotating pipe draws out the water inside the water tank under the action of the power device, and the rotating pipe sends the water into the nozzle. The water is sprayed out through the nozzle. The rotating pipe rotates under the action of the power device, and the rotating pipe drives the nozzle to spray. It can rotate at a certain angle, and can complete a 360° rotation with the spray heads distributed at multiple angles thereon, realizing multi-angle and multi-directional spraying, so that the finished sand in the box is combined with the water mist, which has a better adhesion effect and improves product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0018] Figure 2 It is an enlarged structural schematic diagram of the outer rod of the utility model;

[0019] Figure 3 It is an enlarged structural schematic diagram of the rotating tube of the utility model;

[0020] Figure 4 It is a schematic diagram of the main structure of the utility model.

[0021] In the figure: 1. Sealing cover; 2. Handle; 3. Outer rod; 4. Processing box body; 5. Powder selection barrel; 6. Partition; 7. Chassis; 8. Rotating tube; 9. Workbench; 10. Support leg; 11. Bottom plate; 12. Water tank; 13. Water inlet valve; 14. Water inlet pipe; 15. Push plate; 16. Inner rod; 17. Sprinkler; 18. Sealing door; 19. Handle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figures 1 to 4 The utility model provides an embodiment: a high stone powder content aggregate pretreatment device, comprising a treatment box body 4, a workbench 9 and a water tank 12, the upper surface of the workbench 9 is fixed with the treatment box body 4, the upper surface of the treatment box body 4 is hingedly connected with a sealing cover 1, and the upper surface of the sealing cover 1 is welded with a handle 2, one side of the outer end surface of the treatment box body 4 is hingedly connected with a sealing door 18, and one side of the outer end surface of the sealing door 18 is welded with a handle 19, the inner wall of the treatment box body 4 is fixed with a partition 6, and the upper surface of the partition 6 is rotatably connected with a powder selection barrel 5, the powder selection barrel 5 and the partition 6 are both hollowed out, and the lower surface of the partition 6 is fixed with a chassis 7, a motor is installed inside the chassis 7, and the rotating shaft of the motor is fixed to the powder selection barrel 5, the inner wall of the treatment box body 4 is fixed with an outer rod 3, one side of the outer end surface of the outer rod 3 is movably plugged with an inner rod 16, and one side of the outer end surface of the inner rod 16 is fixed with a push plate 15.

[0025] Of course, as is well known to those skilled in the art, the outer rod 3, chassis 7, rotating tube 8 and nozzle 17 of the utility model also need to be provided with a power device to enable them to work normally, and as is well known to those skilled in the art, the provision of the power is commonplace, and they all belong to conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience.

[0026] A high-stone powder content aggregate pretreatment device based on Example 1 is provided. The handle 2 is held by hand, and the hand drives the handle 2 to open the sealing cover 1, and the high-stone powder is put into the powder selection barrel 5. The chassis 7 drives the powder selection barrel 5 to rotate under the action of the power device. The rotation of the powder selection barrel 5 can screen the high-stone powder. The material powder content detection device is used to determine the process requirements and then freely control the start and stop. The workload is increased to realize the de-powdering of high-powder aggregates, and the powder selection accuracy and classification efficiency are improved. At the same time, the process effect of the air volume and wind speed can be tested, the powder content can be controlled, and the optimal working parameters can be determined, thereby improving the powder selection efficiency.

[0027] Embodiment 2

[0028] like Figure 1-Figure 4As shown, the utility model proposes a high stone powder content aggregate pretreatment device. Compared with the first embodiment, this embodiment also includes a treatment box body 4, a workbench 9 and a water tank 12. The lower surface of the workbench 9 is fixed with a support leg 10, the lower surface of the support leg 10 is welded with a bottom plate 11, and the upper surface of the bottom plate 11 is placed with a water tank 12. The outer end surface of one side of the water tank 12 is connected with a water inlet pipe 14, and the outer surface of the water inlet pipe 14 is threadedly connected with a water inlet valve 13. The upper surface of the water tank 12 is connected with a water outlet pipe, and the water outlet pipe is connected with a rotating pipe 8. The inner bottom end of the treatment box body 4 is rotatably connected with the rotating pipe 8, and the outer surface of the rotating pipe 8 is connected with a nozzle 17.

[0029] In this embodiment, the water inlet valve 13 is opened, and water is poured into the water tank 12 through the water inlet pipe 14. The rotating tube 8 draws out the water in the water tank 12 under the action of the power device, and the rotating tube 8 sends the water into the nozzle 17, and the water is sprayed out through the nozzle 17. The rotating tube 8 rotates under the action of the power device, and the rotating tube 8 drives the nozzle 17 to spray, and can rotate at a certain angle. With the nozzle 17 distributed at multiple angles thereon, it can complete a 360° rotation, realizing multi-angle and multi-directional spraying, so that the finished sand in the box body is combined with the water mist, which has a better adhesion effect and improves the product quality.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A high-stone powder content aggregate pretreatment device, comprising a treatment box body (4), a workbench (9) and a water tank (12), characterized in that: A supporting leg (10) is fixed to the lower surface of the workbench (9), and a processing box body (4) is fixed to the upper surface of the workbench (9); a partition (6) is fixed to the inner wall of the processing box body (4), and the upper surface of the partition (6) is rotatably connected to a powder selection barrel (5); an outer rod (3) is fixed to the inner wall of the processing box body (4), and a rotating tube (8) is rotatably connected to the inner bottom end of the processing box body (4), and the outer surface of the rotating tube (8) is connected to a nozzle (17).

2. The device for preprocessing aggregate with high stone powder content according to claim 1, characterized in that: The upper surface of the treatment box body (4) is hingedly connected to a sealing cover (1), and a handle (2) is welded to the upper surface of the sealing cover (1).

3. The device for preprocessing aggregate with high stone powder content according to claim 1, characterized in that: The powder selection barrel (5) and the partition (6) are both hollow-out designs, and a chassis (7) is fixed to the lower surface of the partition (6). A motor is installed inside the chassis (7), and a rotating shaft of the motor is fixed to the powder selection barrel (5).

4. The device for preprocessing aggregate with high stone powder content according to claim 1, characterized in that: A bottom plate (11) is welded to the lower surface of the support leg (10), and a water tank (12) is placed on the upper surface of the bottom plate (11).

5. The device for preprocessing aggregate with high stone powder content according to claim 1, characterized in that: An outer end surface of one side of the water tank (12) is connected to a water inlet pipe (14), and a water inlet valve (13) is threadedly connected to the outer surface of the water inlet pipe (14); an upper surface of the water tank (12) is connected to a water outlet pipe, and the water outlet pipe is connected to the rotating pipe (8).

6. The device for pre-processing aggregate with high stone powder content according to claim 1, characterized in that: An inner rod (16) is movably inserted into an outer end surface of one side of the outer rod (3), and a push plate (15) is fixed to an outer end surface of one side of the inner rod (16).

7. The device for preprocessing aggregate with high stone powder content according to claim 1, characterized in that: One side outer end surface of the treatment box body (4) is hingedly connected to a sealing door (18), and one side outer end surface of the sealing door (18) is welded with a handle (19).

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