Phosphogypsum recycled aggregate stirring and mixing equipment

Abstract

The utility model relates to the technical field of ardealite aggregate mixing equipment, in particular to ardealite recycled aggregate stirring and mixing equipment which comprises a mixing barrel, a top cover is fixedly mounted at the top of the mixing barrel, a discharge pipe is fixedly mounted at the discharge end of a spiral feeder, and an extrusion crushing box is fixedly mounted at the bottom end of the discharge pipe. Inclined discharging plates are fixedly installed on the inner walls of the left side and the right side of the extruding and crushing box correspondingly, extruding and crushing rollers are connected between plate bodies of the front side and the rear side of the extruding and crushing box, gears are fixedly installed at the tail ends of rotating shafts, the two gears are meshed with each other, a driving motor is coaxially arranged at the tail end of one rotating shaft, and an exhaust pipe is fixedly installed on the top cover. A stirring motor is fixedly mounted in the center of the top cover, a stirring shaft is fixedly mounted at the tail end of an output shaft of the stirring motor, and a first stirring blade and a second stirring blade are fixedly mounted on the stirring shaft. The aggregate crushing and mixing device is convenient to crush, process and mix aggregates and is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of phosphogypsum aggregate mixing equipment, in particular to a phosphogypsum recycled aggregate stirring and mixing equipment. Background Art

[0002] As an industrial by-product, the large amount of accumulation of phosphogypsum not only occupies land resources, but also may cause environmental pollution. With the enhancement of environmental awareness and the promotion of the concept of resource recycling, the comprehensive utilization of phosphogypsum has become an important research direction. Among them, converting phosphogypsum into recycled aggregate and using it in the construction field is one of the effective ways to utilize phosphogypsum resources. The performance and quality of phosphogypsum recycled aggregates depend to a large extent on the stirring and mixing equipment in its production process. When carrying out the production and preparation of phosphogypsum recycled aggregates, corresponding stirring and mixing equipment is usually used. There are many types of stirring and mixing equipment on the market. Most of the stirring and mixing equipment uses motors to drive the corresponding stirring shafts and stirring blades to rotate, so as to achieve mixing and stirring operations on the raw materials.

[0003] However, this type of stirring and mixing equipment can only perform stirring and mixing operations when in use, and has the defect of being unable to further crush the added and input raw materials, which will cause uneven coarseness and uniformity of the input phosphogypsum recycled aggregate, further affecting the performance of the subsequently prepared phosphogypsum recycled aggregate, causing inconvenience to the user. In view of this, we propose a phosphogypsum recycled aggregate stirring and mixing equipment. Utility Model Content

[0004] The utility model aims to provide a phosphogypsum recycled aggregate stirring and mixing device to solve the defects mentioned in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A phosphogypsum recycled aggregate stirring and mixing equipment comprises a mixing drum, a top cover is fixedly installed on the top of the mixing drum, a screw feeder is arranged on one side of the top cover, a discharge pipe is fixedly installed on the discharge end of the screw feeder, an extrusion and crushing box is fixedly installed on the bottom end of the discharge pipe, the bottom end of the extrusion and crushing box is fixedly installed on the top cover and is connected with the interior of the mixing drum, inclined discharge plates are fixedly installed on the left and right inner walls of the extrusion and crushing box, extrusion and crushing rollers are rotatably connected between the front and rear plate bodies of the extrusion and crushing box through two left and right symmetrical rotating shafts, gears are fixedly installed at the ends of the rotating shafts, the two gears are meshed with each other, a driving motor is coaxially arranged at the end of one of the rotating shafts, an exhaust pipe is fixedly installed on the top cover, and the exhaust pipe is used for exhaust operation.

[0007] Preferably, the driving motor is fixedly mounted on the extrusion crushing box, and the output shaft end of the driving motor is fixedly mounted on the rotating shaft.

[0008] Preferably, the inclined discharge plate is arranged to be inclined downward by 45 to 60 degrees, and the gap between the two inclined discharge plates is located directly above the position between the two squeezing and crushing rollers.

[0009] Preferably, a threaded pipe is fixedly installed at the end of the exhaust pipe, and the threaded pipe is arranged vertically downward to block the entry of dust.

[0010] Preferably, a threaded sleeve is threadedly connected to the threaded tube, and a breathable net is provided on the bottom wall of the threaded sleeve.

[0011] Preferably, a conical cylinder is fixedly mounted on the bottom of the mixing cylinder, a discharge pipe is fixedly mounted on the bottom end of the conical cylinder, and a discharge valve is fixedly mounted on the discharge pipe.

[0012] Preferably, the plane where the inner wall of the conical cylinder is located is inclined downward by 40 to 75 degrees for unloading operations.

[0013] Preferably, a stirring motor is fixedly installed at the center position of the top cover, a vertically arranged stirring shaft is fixedly installed at the end of the output shaft of the stirring motor, a first stirring blade is fixedly installed on the upper half of the rod body of the stirring shaft, and a second stirring blade is fixedly installed on the lower half of the rod body of the stirring shaft, and the first stirring blade and the second stirring blade are respectively located in the mixing cylinder and the conical cylinder.

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

[0015] 1. The utility model can utilize the screw feeder to perform feeding operations by means of the provided screw feeder. In addition, by means of the provided extrusion crushing box and the extrusion crushing roller, the two extrusion crushing rollers can be rotated to realize the crushing operation of the phosphogypsum recycled aggregate. After crushing, the particle coarseness and fineness of the phosphogypsum recycled aggregate can be ensured to be consistent, thereby achieving the effect of being able to crush the aggregate before mixing and ensuring the consistency of the coarseness and fineness.

[0016] 2. The utility model can perform exhaust operations through the exhaust pipe, and can also prevent aggregate dust from being discharged outward through the air permeable net. In addition, the stirring motor, stirring shaft, first stirring blade and second stirring blade can realize normal mixing and preparation operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 The enlarged view of point A in the middle;

[0019] Figure 3 It is a partial structural schematic diagram of the utility model;

[0020] Figure 4 It is a cross-sectional view of the extrusion crushing box of the utility model.

[0021] The meaning of each number in the figure is:

[0022] 1. Mixing cylinder; 10. Conical cylinder; 11. Discharge pipe; 12. Discharge valve; 13. Top cover; 14. Exhaust pipe; 15. Threaded pipe; 16. Threaded sleeve; 161. Breathable net;

[0023] 2. Screw feeder; 20. Discharge pipe; 21. Extrusion crushing box; 22. Inclined discharge plate; 23. Rotating shaft; 24. Extrusion crushing roller; 25. Gear; 26. Driving motor;

[0024] 3. stirring motor; 30. stirring shaft; 31. first stirring blade; 32. second stirring blade. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 4 The utility model provides a technical solution: a phosphogypsum recycled aggregate stirring and mixing equipment, comprising a mixing drum 1, a top cover 13 is fixedly installed on the top of the mixing drum 1, a screw feeder 2 is arranged on one side of the top cover 13, a discharging end of the screw feeder 2 is fixedly installed with a discharging pipe 20, an extrusion and crushing box 21 is fixedly installed at the bottom end of the discharging pipe 20, the bottom end of the extrusion and crushing box 21 is fixedly installed on the top cover 13 and is connected to the interior of the mixing drum 1, inclined discharge plates 22 are fixedly installed on the inner walls of the left and right sides of the extrusion and crushing box 21, and an extrusion and crushing roller 24 is rotatably connected between the front and rear side plates of the extrusion and crushing box 21 through two mutually symmetrical rotating shafts 23 on the left and right, a gear 25 is fixedly installed at the end of the rotating shaft 23, and the two gears 25 are meshed with each other, and a driving motor 26 is coaxially arranged at the end of one of the rotating shafts 23, so as to realize the crushing operation of the raw materials by using the extrusion and crushing roller 24, so that the coarseness of the aggregate can be kept consistent.

[0027] In this embodiment, an exhaust pipe 14 is fixedly mounted on the top cover 13. The exhaust pipe 14 is used for exhaust operation. A threaded pipe 15 is fixedly mounted at the end of the exhaust pipe 14. The threaded pipe 15 is vertically downwardly arranged to prevent dust from entering.

[0028] Specifically, the driving motor 26 is fixedly mounted on the extrusion crushing box 21 , and the output shaft end of the driving motor 26 is fixedly mounted on the rotating shaft 23 , so that the driving motor 26 works and can normally drive the rotating shaft 23 to rotate.

[0029] Furthermore, the inclined discharge plate 22 is set to be inclined downward at 45 to 60 degrees, and the gap between the two inclined discharge plates 22 is located directly above the position between the two squeezing and crushing rollers 24, so that the aggregate falling along the inclined discharge plate 22 can be better dropped between the two squeezing and crushing rollers 24 and crushed.

[0030] In addition, a threaded sleeve 16 is threadedly connected to the threaded pipe 15, and a breathable net 161 is provided on the bottom wall of the threaded sleeve 16. The breathable net 161 ensures normal exhaust and can also prevent aggregate dust in the mixing barrel 1 from being discharged outward.

[0031] It is worth mentioning that a conical cylinder 10 is fixedly installed at the bottom of the mixing cylinder 1, a discharge pipe 11 is fixedly installed at the bottom end of the conical cylinder 10, and a discharge valve 12 is fixedly installed on the discharge pipe 11, so as to facilitate opening the discharge valve 12 for discharge operation; the plane where the inner wall of the conical cylinder 10 is located is set to be inclined downward at 40 to 75 degrees for discharge operation.

[0032] It is worth noting that a stirring motor 3 is fixedly installed at the center position of the top cover 13, and a vertically arranged stirring shaft 30 is fixedly installed at the end of the output shaft of the stirring motor 3. A first stirring blade 31 is fixedly installed on the upper half of the rod body of the stirring shaft 30, and a second stirring blade 32 is fixedly installed on the lower half of the rod body of the stirring shaft 30. The first stirring blade 31 and the second stirring blade 32 are respectively located in the mixing barrel 1 and the conical barrel 10.

[0033] When the phosphogypsum recycled aggregate stirring and mixing equipment of the utility model is in use, the discharge valve 12 is closed, the raw materials are put into the feeding end of the screw feeder 2, the screw feeder 2 is started and made to work, the screw feeder 2 works to realize the transportation of the materials from the discharge pipe 20 to the extrusion crushing box 21, at this time, the drive motor 26 is connected to the external power supply and made to work, the drive motor 26 works, the output shaft thereon rotates to drive the rotating shaft 23 and the extrusion crushing roller 24 to rotate, the extrusion crushing roller 24 rotates to realize the crushing operation of the fallen aggregate, and the crushed aggregate falls down into the mixing barrel 1, and then the stirring motor 3 is connected to the external power supply and made to work, the stirring motor 3 works, the output shaft thereon rotates to drive the stirring shaft 30, the first stirring blade 31 and the second stirring blade 32 to rotate, to realize the stirring and mixing operation, after the mixing is completed, the discharge valve 12 is opened for the discharge operation.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A phosphogypsum recycled aggregate stirring and mixing device, comprising a mixing drum (1), characterized in that: A top cover (13) is fixedly mounted on the top of the mixing drum (1), a screw feeder (2) is arranged on one side of the top cover (13), a discharge pipe (20) is fixedly mounted on the discharge end of the screw feeder (2), an extrusion crushing box (21) is fixedly mounted on the bottom end of the discharge pipe (20), the bottom end of the extrusion crushing box (21) is fixedly mounted on the top cover (13) and is connected to the interior of the mixing drum (1), and the inner walls on both sides of the extrusion crushing box (21) are fixedly mounted There is an inclined discharge plate (22), and a squeezing and crushing roller (24) is rotatably connected between the front and rear side plates of the squeezing and crushing box (21) through two mutually symmetrical rotating shafts (23) on the left and right. A gear (25) is fixedly installed at the end of the rotating shaft (23), and the two gears (25) are meshed with each other. A driving motor (26) is coaxially arranged at the end of one of the rotating shafts (23). An exhaust pipe (14) is fixedly installed on the top cover (13), and the exhaust pipe (14) is used for exhaust operation.

2. The phosphogypsum recycled aggregate stirring and mixing equipment according to claim 1, characterized in that: The driving motor (26) is fixedly mounted on the extrusion crushing box (21), and the output shaft end of the driving motor (26) is fixedly mounted on the rotating shaft (23).

3. The stirring and mixing equipment for phosphogypsum recycled aggregate according to claim 1, characterized in that: The inclined discharge plate (22) is arranged to be inclined downward at 45 to 60 degrees, and the gap between the two inclined discharge plates (22) is located directly above the position between the two squeezing and crushing rollers (24).

4. The phosphogypsum recycled aggregate stirring and mixing equipment according to claim 1, characterized in that: A threaded pipe (15) is fixedly mounted on the end of the exhaust pipe (14), and the threaded pipe (15) is arranged vertically downward to prevent dust from entering.

5. The stirring and mixing equipment for phosphogypsum recycled aggregate according to claim 4, characterized in that: A threaded sleeve (16) is threadedly connected to the threaded tube (15), and a breathable net (161) is arranged on the bottom wall of the threaded sleeve (16).

6. The phosphogypsum recycled aggregate stirring and mixing equipment according to claim 1, characterized in that: A conical cylinder (10) is fixedly mounted on the bottom of the mixing cylinder (1), a discharge pipe (11) is fixedly mounted on the bottom end of the conical cylinder (10), and a discharge valve (12) is fixedly mounted on the discharge pipe (11).

7. The stirring and mixing equipment for phosphogypsum recycled aggregate according to claim 6, characterized in that: The plane where the inner wall of the conical cylinder (10) is located is arranged to be inclined downward by 40 to 75 degrees for unloading operations.

8. The stirring and mixing equipment for phosphogypsum recycled aggregate according to claim 7, characterized in that: A stirring motor (3) is fixedly mounted at the center of the top cover (13); a stirring shaft (30) arranged vertically is fixedly mounted at the end of the output shaft of the stirring motor (3); a first stirring blade (31) is fixedly mounted on the upper half of the rod body of the stirring shaft (30); a second stirring blade (32) is fixedly mounted on the lower half of the rod body of the stirring shaft (30); the first stirring blade (31) and the second stirring blade (32) are respectively located in the mixing cylinder (1) and the conical cylinder (10).

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