A multifunctional vertical drop tower double-layer step-by-step continuous mixing system

Abstract

The present invention relates to a multifunctional vertical drop tower double-layer step-by-step continuous mixing system, which belongs to the technical field of mixing equipment. It includes a frame, a top plate and a plurality of partitions are fixedly installed in the frame, two mixing drums are installed in the partitions, a collecting bin is fixedly installed at the bottom of the frame, the two mixing drums are vertically arranged up and down, and a discharge pipe is fixedly installed at the bottom of the mixing drum, and a mixing mechanism is arranged in each mixing drum; the mixing mechanism includes a support frame and two asphalt pipes, the support frame is fixed on the top of the mixing drum, and the bottom of the support frame is rotatably connected with a through mixing shaft. The equipment in the present invention can produce conventional water-stable base mixtures, and can also produce cold-mixed cold-laid asphalt mixtures that meet the requirements through two mixing drums. At the same time, the raised dust can be extracted through the air outlet pipe to reduce dust and improve the on-site environmental quality. Water can also be sprayed on the fallen raw materials to facilitate the falling of dust.

Description

Technical Field

[0001] The invention belongs to the technical field of mixing equipment and relates to a multifunctional vertical drop tower double-layer step-by-step continuous mixing system. Background Art

[0002] Emulsified asphalt is a viscous asphalt that is dispersed in the form of droplets in water containing emulsifiers and stabilizers through hot melting and mechanical action to form an oil-in-water (O / W) asphalt emulsion. Emulsified asphalt is road asphalt that is usually used at high temperatures. It is mechanically stirred and chemically stabilized (emulsified), diffused into water, and liquefied into a road construction material with very low viscosity and good fluidity at room temperature.

[0003] When paving asphalt roads, mixing equipment is needed, but the existing mixing equipment is usually single-drum mixing with a relatively single mixing range and is prone to raising large amounts of dust. Therefore, we propose a cold-mix cold-paved emulsified asphalt mixture mixing equipment to solve the above-mentioned problems. Summary of the invention

[0004] In view of this, the present invention provides a multifunctional vertical drop tower double-layer step-by-step continuous mixing system to solve the problem that the existing mixing equipment is usually single-drum mixing with a relatively single mixing range and easily raises large dust.

[0005] To achieve the above object, the present invention provides the following technical solution: a multifunctional vertical drop tower double-layer step-by-step continuous mixing system, comprising a frame, a top plate and a plurality of partitions are fixedly installed in the frame, two mixing drums are installed in the partitions, a collecting bin is fixedly installed at the bottom of the frame, the two mixing drums are vertically arranged up and down, and a discharge pipe is fixedly installed at the bottom of the mixing drums, and a mixing mechanism is arranged in each mixing drum;

[0006] The mixing mechanism includes a support frame and two asphalt pipes, the support frame is fixed on the top of the mixing drum, the bottom of the support frame is rotatably connected to a penetrating stirring shaft, the circumference of the stirring shaft is fixedly connected to multiple groups of stirring blades, one end of a group of stirring blades located at the bottom is fixedly connected to a spiral spiral scraper, the spiral scraper is in contact with the inner wall of the mixing drum, one side of the support frame is fixedly connected to a water pipe, one side of the water pipe is fixedly installed with multiple first nozzles arranged obliquely downward, two asphalt pipes are fixed to the bottom of the support frame, one side of the asphalt pipe is fixedly connected to multiple second nozzles arranged obliquely downward, one side of the support frame is fixedly connected to a motor, one end of the motor output shaft is fixedly connected to a first synchronous wheel, the top of the stirring shaft is fixedly connected to a second synchronous wheel, and the first synchronous wheel and the second synchronous wheel are connected by a synchronous belt transmission.

[0007] Furthermore, two L-rods are fixedly connected to the surface of the partition at the top, a material guide box is rotatably connected between the two L-rods, and a plurality of second springs are fixedly connected between the bottom of the material guide box and the surface of the partition at the top.

[0008] Furthermore, a connecting frame is fixedly connected between the outer walls of both sides of the material guide box, a top frame is fixedly connected to one side of the connecting frame, and a second wedge block used in conjunction with the top frame is fixedly connected to the surface of the second synchronous wheel.

[0009] Furthermore, a filter box is fixedly connected to the top of the top plate, a filter screen is fixed to one side of the filter box by bolts, an exhaust pipe is fixedly connected to the other side of the filter box, the exhaust pipe passes through the top plate, a fixing frame is fixedly connected inside the exhaust pipe, a rotating shaft is rotatably connected inside the fixing frame, and a group of blades for exhaust are fixedly connected to the top of the rotating shaft.

[0010] Furthermore, the surface of the support frame is rotatably connected to a mounting shaft, the circumference of the mounting shaft and the circumference of the stirring shaft are fixedly connected to a first gear, the two first gears are meshed, the circumference of the mounting shaft and the circumference of the rotating shaft are fixedly connected to a second gear, the two second gears are meshed.

[0011] Furthermore, the bottom of the filter box is fixedly connected with a connected discharge pipe, the circumferential outer wall of the discharge pipe is fixedly connected with a bracket, the bottom of the bracket is slidably connected up and down with a baffle for closing the discharge pipe, the top of the bracket is slidably connected with a penetrating slide rod, the bottom of the slide rod is fixed to the surface of the baffle, one side of the slide rod is fixedly connected with a cross rod, the bottom of the second synchronous wheel is fixedly connected with a first wedge block used in conjunction with the cross rod, and a first spring is fixedly connected between the cross rod and the discharge pipe.

[0012] Furthermore, the top of the slide rod passes through the top plate and the filter box and is located in the filter box, and one side of the filter screen is fixedly connected with a fixing plate, and the fixing plate is located above the slide rod.

[0013] Furthermore, an exhaust hood is fixedly connected to the bottom of the exhaust pipe.

[0014] Furthermore, the bottom of the discharge pipe is located on one side of the first nozzle.

[0015] The beneficial effects of the present invention are:

[0016] 1. The multifunctional vertical drop tower double-layer step-by-step continuous mixing system disclosed in the present invention can produce conventional water-stable base mixtures and cold-mixed cold-paved asphalt mixtures that meet the requirements through the coordinated use of two mixing drums and a collecting bin;

[0017] 2. The multifunctional vertical drop tower double-layer step-by-step continuous mixing system disclosed in the present invention has an exhaust pipe installed on the top of the mixing drum, so that when the raw materials are mixed, the dust raised can be extracted through the exhaust pipe, thereby reducing dust and improving the quality of the on-site environment;

[0018] 3. The multifunctional vertical drop tower double-layer step-by-step continuous mixing system disclosed in the present invention has a discharge pipe installed at the bottom of the filter box, so that the discharge pipe can discharge the fallen dust to the bottom of the first nozzle, and then spray water on the fallen raw materials to facilitate the falling of dust;

[0019] 4. The present invention discloses a multifunctional vertical drop tower double-layer step-by-step continuous mixing system, which installs a fixed plate on one side of the filter. When the slide bar is reset, the slide bar collides with the fixed plate to make the filter shake, thereby facilitating the falling of dust and the operation of the filter.

[0020] The equipment in the present invention can produce conventional water-stable base mixtures, and can also produce cold-mixed and cold-laid asphalt mixtures that meet the requirements through two mixing drums. At the same time, the raised dust can be extracted through the air outlet pipe to reduce dust and improve the on-site environmental quality. Water can also be sprayed on the fallen raw materials to facilitate the falling of dust.

[0021] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in detail below in conjunction with the accompanying drawings, wherein:

[0023] Figure 1 It is a three-dimensional structural schematic diagram of a multifunctional vertical drop tower double-layer step-by-step continuous mixing system of the present invention;

[0024] Figure 2 It is a cross-sectional structural schematic diagram of a multifunctional vertical drop tower double-layer step-by-step continuous mixing system of the present invention;

[0025] Figure 3 It is a schematic cross-sectional structure diagram of a mixing drum of a multifunctional vertical drop tower double-layer step-by-step continuous mixing system of the present invention;

[0026] Figure 4 It is a schematic diagram of the enlarged structure of point A of a multifunctional vertical drop tower double-layer step-by-step continuous mixing system of the present invention;

[0027] Figure 5 It is a schematic cross-sectional structure diagram of a filter box of a multifunctional vertical drop tower double-layer step-by-step continuous mixing system of the present invention;

[0028] Figure 6 This is a schematic diagram of the enlarged structure of point B of a multifunctional vertical drop tower double-layer step-by-step continuous mixing system of the present invention;

[0029] Figure 7 It is a schematic diagram of the installation structure of a material guide box of a multifunctional vertical drop tower double-layer step-by-step continuous mixing system of the present invention;

[0030] Figure 8 It is a schematic diagram of the enlarged structure of point C of a multifunctional vertical drop tower double-layer step-by-step continuous mixing system of the present invention.

[0031] Figure numerals: 1, frame; 2, partition; 3, mixing drum; 4, top plate; 5, collecting bin; 6, discharge pipe; 7, support frame; 8, water pipe; 9, first nozzle; 10, asphalt pipe; 11, second nozzle; 12, mixing shaft; 13, mixing blade; 14, spiral scraper; 15, motor; 16, first synchronous wheel; 17, second synchronous wheel; 18, filter box; 19, exhaust pipe; 20, filter screen; 21, fixed Frame; 22, rotating shaft; 23, blades; 24, exhaust hood; 25, mounting shaft; 26, first gear; 27, second gear; 28, first wedge block; 29, discharge pipe; 30, fixing plate; 31, sliding rod; 32, cross bar; 33, first spring; 34, bracket; 35, baffle; 36, L rod; 37, guide box; 38, second spring; 39, top frame; 40, connecting frame; 41, second wedge block. DETAILED DESCRIPTION

[0032] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner, and the following embodiments and features in the embodiments can be combined with each other without conflict.

[0033] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on the present invention. In order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of actual products. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0034] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "front", "rear", etc. indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0035] Embodiment 1

[0036] like Figure 1-Figure 8 As shown, a multifunctional vertical drop tower double-layer step-by-step continuous mixing system includes a frame 1, a top plate 4 and a plurality of partitions 2 are fixedly installed in the frame 1, two mixing drums 3 are installed in the partitions 2, a collecting bin 5 is fixedly installed at the bottom of the frame 1, the two mixing drums 3 are vertically arranged up and down, and a discharge pipe 6 is fixedly installed at the bottom of the mixing drums 3, and a control valve is installed on the discharge pipe 6. Through the coordinated use of the two mixing drums 3 and the collecting bin 5, the equipment can produce conventional water-stable base mixtures, and can also produce cold-mixed cold-paved asphalt mixtures that meet the requirements through the two mixing drums 3, and a mixing mechanism is arranged in the mixing drums 3;

[0037] The mixing mechanism includes a support frame 7 and two asphalt pipes 10. The support frame 7 is fixed on the top of the mixing drum 3. The bottom of the support frame 7 is rotatably connected to a through stirring shaft 12. The circumference of the stirring shaft 12 is fixedly connected to multiple groups of stirring blades 13. One end of a group of stirring blades 13 located at the bottom is fixedly connected to a spiral spiral scraper 14. The spiral scraper 14 contacts the inner wall of the mixing drum 3. The spiral scraper 14 can clean the inner wall of the mixing drum 3 to improve the discharge effect. One side of the support frame 7 is fixedly connected to a water pipe 8. One side of the water pipe 8 is fixedly installed with multiple first nozzles 9 arranged downwardly inclined. The two asphalt pipes 10 They are all fixed at the bottom of the support frame 7. One side of the asphalt pipe 10 is fixedly connected with a plurality of second nozzles 11 arranged obliquely downward. One side of the support frame 7 is fixedly connected with a motor 15. One end of the output shaft of the motor 15 is fixedly connected with a first synchronous wheel 16. The top of the stirring shaft 12 is fixedly connected with a second synchronous wheel 17. The first synchronous wheel 16 and the second synchronous wheel 17 are connected by a synchronous belt transmission. When the motor 15 is started, the motor 15 drives the stirring shaft 12 to rotate through the first synchronous wheel 16 and the second synchronous wheel 17. The stirring shaft 12 drives the stirring blade 13 and the spiral scraper 14 to rotate, thereby stirring and mixing the raw materials.

[0038] Embodiment 2

[0039] Reference Figure 1-Figure 8 The present invention provides a new technical solution, a multifunctional vertical drop tower double-layer step-by-step continuous mixing system, comprising a frame 1, a top plate 4 and a plurality of partitions 2 are fixedly installed in the frame 1, two mixing drums 3 are installed in the partitions 2, a collecting bin 5 is fixedly installed at the bottom of the frame 1, the two mixing drums 3 are vertically arranged up and down, and a discharge pipe 6 is fixedly installed at the bottom of the mixing drums 3, and a control valve is installed on the discharge pipe 6. Through the coordinated use of the two mixing drums 3 and the collecting bin 5, the equipment can produce conventional water-stable base mixtures, and can also produce cold-mixed cold-paved asphalt mixtures that meet the requirements through the two mixing drums 3, and a mixing mechanism is arranged in the mixing drums 3;

[0040] The mixing mechanism includes a support frame 7 and two asphalt pipes 10. The support frame 7 is fixed on the top of the mixing drum 3. The bottom of the support frame 7 is rotatably connected to a through stirring shaft 12. The circumference of the stirring shaft 12 is fixedly connected to multiple groups of stirring blades 13. One end of a group of stirring blades 13 located at the bottom is fixedly connected to a spiral spiral scraper 14. The spiral scraper 14 contacts the inner wall of the mixing drum 3. The spiral scraper 14 can clean the inner wall of the mixing drum 3 to improve the discharge effect. One side of the support frame 7 is fixedly connected to a water pipe 8. One side of the water pipe 8 is fixedly installed with multiple first nozzles 9 arranged downwardly inclined. The two asphalt pipes 10 They are all fixed at the bottom of the support frame 7. One side of the asphalt pipe 10 is fixedly connected with a plurality of second nozzles 11 arranged obliquely downward. One side of the support frame 7 is fixedly connected with a motor 15. One end of the output shaft of the motor 15 is fixedly connected with a first synchronous wheel 16. The top of the stirring shaft 12 is fixedly connected with a second synchronous wheel 17. The first synchronous wheel 16 and the second synchronous wheel 17 are connected by a synchronous belt transmission. When the motor 15 is started, the motor 15 drives the stirring shaft 12 to rotate through the first synchronous wheel 16 and the second synchronous wheel 17. The stirring shaft 12 drives the stirring blade 13 and the spiral scraper 14 to rotate, thereby stirring and mixing the raw materials.

[0041] In the present invention, two L-rods 36 are fixedly connected to the surface of the partition 2 at the top, a material guide box 37 is rotatably connected between the two L-rods 36, a plurality of second springs 38 are fixedly connected between the bottom of the material guide box 37 and the surface of the partition 2 at the top, and the material guide box 37 is used to guide the raw materials conveyed by the belt conveyor.

[0042] It should be noted that a connecting frame 40 is fixedly connected between the outer walls on both sides of the material guide box 37, a top frame 39 is fixedly connected to one side of the connecting frame 40, and a second wedge block 41 used in conjunction with the top frame 39 is fixedly connected to the surface of the second synchronous wheel 17. When the second synchronous wheel 17 rotates, it also drives the second wedge block 41 to lift the top frame 39, and the top frame 39 drives the material guide box 37 to rotate and shake, thereby facilitating the falling of raw materials on the material guide box 37 and avoiding accumulation in the material guide box 37.

[0043] In particular, a filter box 18 is fixedly connected to the top of the top plate 4, a filter screen 20 is fixed to one side of the filter box 18 by bolts, an exhaust pipe 19 is fixedly connected to the other side of the filter box 18, the exhaust pipe 19 passes through the top plate 4, a fixing frame 21 is fixedly connected to the exhaust pipe 19, a rotating shaft 22 is rotatably connected to the fixing frame 21, a group of blades 23 for exhaust are fixedly connected to the top of the rotating shaft 22, the rotating shaft 22 drives the blades 23 to rotate, the blades 23 extract the dust raised in the upper mixing drum 3, and then discharge it into the filter box 18 for filtration, and some of the dust falls to the bottom of the filter box 18, thereby improving the environmental quality on site.

[0044] In the present invention, the surface of the support frame 7 is rotatably connected to the mounting shaft 25, the circumference of the mounting shaft 25 and the circumference of the stirring shaft 12 are fixedly connected to the first gear 26, the two first gears 26 are meshed, the circumference of the mounting shaft 25 and the circumference of the rotating shaft 22 are fixedly connected to the second gear 27, the two second gears 27 are meshed, and the two first gears 26 and the two second gears 27 cooperate to increase the rotation speed of the rotating shaft 22.

[0045] It should be noted that the bottom of the filter box 18 is fixedly connected to a connected discharge pipe 29, the circumferential outer wall of the discharge pipe 29 is fixedly connected to a bracket 34, the bottom of the bracket 34 is slidably connected to a baffle 35 for closing the discharge pipe 29, the top of the bracket 34 is slidably connected to a penetrating slide bar 31, the bottom of the slide bar 31 is fixed to the surface of the baffle 35, one side of the slide bar 31 is fixedly connected to a cross bar 32, and the bottom of the second synchronous wheel 17 is fixedly connected to a first wedge-shaped Block 28, a first spring 33 is fixedly connected between the cross bar 32 and the discharge pipe 29. When the second synchronous wheel 17 rotates, the first wedge block 28 is driven to rotate. The first wedge block 28 presses down the slide bar 31 through the cross bar 32, and the slide bar 31 presses down the baffle 35, thereby opening the bottom of the discharge pipe 29, thereby discharging the collected dust to one side of the first nozzle 9, thereby playing a role in dust reduction and reducing the waste of raw materials. The bottom of the discharge pipe 29 is located on one side of the first nozzle 9.

[0046] In particular, the top of the slide rod 31 passes through the top plate 4 and the filter box 18 and is located in the filter box 18. A fixed plate 30 is fixedly connected to one side of the filter screen 20. The fixed plate 30 is located above the slide rod 31. The slide rod 31 can also be reset upward under the action of the first spring 33 and drive the baffle 35 to rise. When the slide rod 31 rises, it also contacts the fixed plate 30, thereby causing the filter screen 20 to vibrate, facilitating the dust on the filter screen 20 to fall off and facilitating the operation of the filter screen 20.

[0047] In the present invention, an exhaust hood 24 is fixedly connected to the bottom of the exhaust pipe 19, and the exhaust hood 24 facilitates dust extraction.

[0048] Working principle: When in use, firstly, the coarse aggregate is fed into the guide box 37 through the belt conveyor, and after being guided by the guide box 37, it falls into the mixing drum 3 above, and at the same time, water is sprayed to the raw materials through the water pipe 8 and the first nozzle 9, and then the motor 15 is started while adding materials, and the motor 15 drives the stirring shaft 12 to rotate through the first synchronous wheel 16 and the second synchronous wheel 17, and the stirring shaft 12 drives the stirring blade 13 and the spiral scraper 14 to rotate, so as to stir the raw materials, and at the same time of adding materials, mineral powder and cement are continuously added, and emulsified asphalt is sprayed to the raw materials through the asphalt pipe 10 and the second nozzle 11 synchronously, and the raw materials are stirred evenly until there is no white material;

[0049] After the premixing is completed, the raw materials are discharged into the mixing drum below, and the machine-made sand is sent into the mixing drum 3 above through the belt conveyor. When the machine-made sand falls into the mixing drum 3 above, the two first nozzles 9 spray water to wet it at the same time. After the machine-made sand falls, the remaining mineral powder and cement are added at the same time, and then it falls into the mixing drum 3 below together with the premixed mixture. During the falling process and stirring, the remaining emulsified asphalt is sprayed synchronously through the lower asphalt pipe 10 and the second nozzle 11 below. Finally, until a uniform asphalt mixture without white material and flow is mixed, the mixed raw materials can be discharged into the collection bin 5, so that the equipment can produce both conventional water-stable base mixtures and cold-mixed cold-paved asphalt mixtures that meet the requirements through two mixing drums 3;

[0050] When the upper stirring shaft 12 rotates, the first gear 26 and the second gear 27 cooperate to drive the rotating shaft 22 to rotate, and the rotating shaft 22 drives the blades 23 to rotate. The blades 23 extract the dust raised in the upper stirring drum 3, and then discharge it into the filter box 18 for filtration. Part of the dust falls into the bottom of the filter box 18, thereby improving the environmental quality on site. While the second synchronous wheel 17 rotates, it drives the first wedge block 28 to rotate. The first wedge block 28 presses down the slide bar 31 through the cross bar 32, and the slide bar 31 presses down the baffle 35, thereby opening the bottom of the discharge pipe 29, thereby discharging the collected dust material to one side of the first nozzle 9, thereby playing a role in dust reduction and reducing the waste of raw materials.

[0051] The slide bar 31 can also be reset upward under the action of the first spring 33, and drive the baffle 35 to rise. When the slide bar 31 rises, it also contacts the fixed plate 30, thereby causing the filter screen 20 to vibrate, making it easier for dust on the filter screen 20 to fall off and facilitating the operation of the filter screen 20.

[0052] When the second synchronous wheel 17 rotates, it also drives the second wedge block 41 to lift the top frame 39, and the top frame 39 drives the material guide box 37 to rotate and vibrate, thereby facilitating the falling of raw materials on the material guide box 37 and avoiding accumulation in the material guide box 37.

[0053] However, as is well known to those skilled in the art, the working principle and wiring method of the motor 15 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any selections according to their needs or convenience.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution, which should be included in the scope of the claims of the present invention.

Claims

1. A multifunctional vertical drop tower double-layer step-by-step continuous mixing system, comprising a frame (1), characterized in that: A top plate (4) and a plurality of partitions (2) are fixedly mounted in the frame (1), two mixing drums (3) are mounted in the partitions (2), a collecting bin (5) is fixedly mounted at the bottom of the frame (1), the two mixing drums (3) are vertically arranged up and down, and a discharge pipe (6) is fixedly mounted at the bottom of each mixing drum (3), and a mixing mechanism is arranged in each mixing drum (3); The mixing mechanism comprises a support frame (7) and two asphalt pipes (10); the support frame (7) is fixed on the top of the mixing drum (3); the bottom of the support frame (7) is rotatably connected to a through-going mixing shaft (12); the circumference of the mixing shaft (12) is fixedly connected to a plurality of groups of mixing blades (13); one end of a group of mixing blades (13) located at the bottom is fixedly connected to a spiral scraper (14); the spiral scraper (14) is in contact with the inner wall of the mixing drum (3); one side of the support frame (7) is fixedly connected to a water pipe (8); one side of the water pipe (8) is fixedly provided with a A plurality of first nozzles (9) arranged obliquely downward are provided, two asphalt pipes (10) are fixed at the bottom of a support frame (7), one side of each of the asphalt pipes (10) is fixedly connected to a plurality of second nozzles (11) arranged obliquely downward, one side of the support frame (7) is fixedly connected to a motor (15), one end of the output shaft of the motor (15) is fixedly connected to a first synchronous wheel (16), the top of the stirring shaft (12) is fixedly connected to a second synchronous wheel (17), and the first synchronous wheel (16) and the second synchronous wheel (17) are connected via a synchronous belt transmission.

2. A multifunctional vertical drop tower double-layer step-by-step continuous mixing system according to claim 1, characterized in that: Two L-rods (36) are fixedly connected to the surface of the partition (2) at the top, a material guide box (37) is rotatably connected between the two L-rods (36), and a plurality of second springs (38) are fixedly connected between the bottom of the material guide box (37) and the surface of the partition (2) at the top.

3. A multifunctional vertical drop tower double-layer step-by-step continuous mixing system according to claim 2, characterized in that: A connecting frame (40) is fixedly connected between the outer walls of both sides of the material guide box (37), a top frame (39) is fixedly connected to one side of the connecting frame (40), and a second wedge block (41) used in conjunction with the top frame (39) is fixedly connected to the surface of the second synchronous wheel (17).

4. The multifunctional vertical drop tower double-layer step-by-step continuous mixing system according to claim 1 is characterized in that: A filter box (18) is fixedly connected to the top of the top plate (4), a filter screen (20) is fixedly connected to one side of the filter box (18) by means of bolts, an exhaust pipe (19) is fixedly connected to the other side of the filter box (18), the exhaust pipe (19) passes through the top plate (4), a fixing frame (21) is fixedly connected inside the exhaust pipe (19), a rotating shaft (22) passing through the fixing frame (21) is rotatably connected inside the fixing frame (21), and a group of blades (23) for exhaust are fixedly connected to the top of the rotating shaft (22).

5. The multifunctional vertical drop tower double-layer step-by-step continuous mixing system according to claim 4 is characterized in that: The surface of the support frame (7) is rotatably connected to a mounting shaft (25); the circumference of the mounting shaft (25) and the circumference of the stirring shaft (12) are both fixedly connected to a first gear (26); the two first gears (26) are meshed; the circumference of the mounting shaft (25) and the circumference of the rotating shaft (22) are both fixedly connected to a second gear (27); the two second gears (27) are meshed.

6. The multifunctional vertical drop tower double-layer step-by-step continuous mixing system according to claim 4 is characterized in that: The bottom of the filter box (18) is fixedly connected to a connected discharge pipe (29), the circumferential outer wall of the discharge pipe (29) is fixedly connected to a bracket (34), the bottom of the bracket (34) is slidably connected to a baffle (35) for closing the discharge pipe (29), the top of the bracket (34) is slidably connected to a penetrating slide rod (31), and the bottom of the slide rod (31) is fixed to the surface of the baffle (35).

7. A multifunctional vertical drop tower double-layer step-by-step continuous mixing system according to claim 6, characterized in that: A cross bar (32) is fixedly connected to one side of the slide bar (31), a first wedge block (28) used in conjunction with the cross bar (32) is fixedly connected to the bottom of the second synchronous wheel (17), and a first spring (33) is fixedly connected between the cross bar (32) and the discharge pipe (29).

8. The multifunctional vertical drop tower double-layer step-by-step continuous mixing system according to claim 6 is characterized in that: The top of the slide rod (31) passes through the top plate (4) and the filter box (18) and is located in the filter box (18); one side of the filter screen (20) is fixedly connected to a fixing plate (30), and the fixing plate (30) is located above the slide rod (31).

9. The multifunctional vertical drop tower double-layer step-by-step continuous mixing system according to claim 4, characterized in that: The bottom of the exhaust pipe (19) is fixedly connected with an exhaust hood (24).

10. The multifunctional vertical drop tower double-layer step-by-step continuous mixing system according to claim 6, characterized in that: The bottom of the discharge pipe (29) is located on one side of the first nozzle (9).

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