Slurry preparation device for flow-state solidified soil

Abstract

The utility model relates to a slurry mixing device for fluid solidified soil, and belongs to the technical field of slurry mixing equipment. Comprising a slurry mixing tank, a slurry discharging pipe, a stirring shaft, a stirring rod, a driving mechanism, an impact convex column, a liquid outlet hole, a rotating joint, an agent adding pipe and an agent adding tank, a feeding box is arranged at the top of the slurry mixing tank, discharging hoppers are fixed to the bottoms of the front side and the rear side of the feeding box, the inner sides of the discharging hoppers on the front side and the rear side intersect in the middle of the bottom of the feeding box, and a crushing shaft is rotationally installed at the intersection; the upper end of the crushing shaft extends into the feeding box and is fixedly provided with a crushing rod, and the lower end of the crushing shaft is provided with a transmission mechanism connected with the stirring shaft. According to the utility model, the feeding box is arranged at the upper part of the size mixing tank, and the crushing shaft and the crushing rod are arranged in the feeding box, so that soil and cement entering the size mixing tank can be crushed, caked materials can be crushed, and subsequent size mixing is facilitated; the slurry enters the liquid channel through the agent adding pipe and then is rotationally dispersed into the slurry through the liquid outlet hole, so that the slurry mixing is better performed.

Description

Technical Field

[0001] The utility model relates to a mud preparation device for fluidized solidified soil, belonging to the technical field of mud preparation equipment. Background Art

[0002] Fluidized solidified soil is a mixture of soil, curing agent, admixture, cement and water in a certain ratio, which is mixed evenly in a mud preparation device to form a mixture with a certain strength and a certain fluidity. It is widely used in foundation treatment, road base and other aspects in road construction. At present, there are some shortcomings in the mud preparation devices on the market. Since there are some large pieces of materials in the soil and cement, it is not conducive to mixing if they are directly put into the slurry preparation tank, resulting in unstable performance of the solidified soil; in addition, the curing agent and admixture are also directly added from the feeding port, resulting in insufficient mixing with water and soil, increasing the preparation time and affecting the preparation effect. Utility Model Content

[0003] The utility model provides a mud preparation device for fluidized solidified soil, which solves the problems existing in the above-mentioned background technology.

[0004] The utility model relates to a mud modulation device for fluidized solidified soil, comprising a slurry mixing tank, a slurry discharge pipe is arranged at the bottom of the slurry mixing tank, a stirring shaft is rotatably installed in the slurry mixing tank, a stirring rod is fixed on the stirring shaft, a driving mechanism is connected to the upper part of the stirring shaft, a plurality of impact convex columns are evenly arranged on the inner side wall of the slurry mixing tank, a liquid outlet hole is arranged at the top and the bottom of the stirring rod, a rotating joint is fixed on the top of the stirring shaft, a liquid channel connecting the rotating joint and the liquid outlet hole is arranged on the stirring shaft and the stirring rod, a dosing pipe is fixed on the top of the rotating joint, a dosing tank is fixed on the top of the dosing pipe, a feed box is arranged on the top middle of the feed box, a feed hopper is fixed on the front and rear bottoms of the feed box, the bottom of the lower hopper is connected to the slurry mixing tank, the inner sides of the front and rear lower hoppers intersect in the middle of the bottom of the feed box, and a crushing shaft is rotatably installed at the intersection, the upper end of the crushing shaft extends into the feed box where a crushing rod is fixed, and a transmission mechanism connected to the stirring shaft is arranged at the lower end of the crushing shaft.

[0005] As a preferred embodiment, a stirring paddle is fixed in the middle of the stirring shaft, and a stirring impeller is fixed at the bottom of the stirring shaft. The stirring paddle is used for stirring in the middle, and the stirring impeller is used for stirring at the bottom, which has a better stirring effect and shortens the slurry preparation time.

[0006] As a preferred embodiment, the inner and outer circumferential arrays of the slurry mixing tank are provided with no less than two vertical guide plates, the guide plates are inclined, and the two ends of the guide plates are fixed with fixing rods, and the inner ends of the fixing rods are fixed to the inner wall of the slurry mixing tank. When the slurry in the slurry mixing tank rotates, the slurry flowing to the guide plates will be guided to the impact convex column by the guide plate, so that the slurry collides with the impact convex column, thereby increasing the slurry mixing effect.

[0007] As a preferred embodiment, a water adding pipe is fixed on the dosing pipe, a valve and a flow meter are arranged on the water adding pipe, and a valve is also arranged on the dosing pipe above the water adding pipe. The valve on the water adding pipe can be opened conveniently, and quantitative water can be added by flow meter measurement. After the equipment is used, the valve on the water adding pipe can be opened, and clean water can be introduced and then rotated and sprayed out from the liquid outlet to clean the inside of the slurry mixing tank, which is convenient for cleaning the equipment.

[0008] As a preferred embodiment, the driving mechanism includes a driven pulley fixed on the upper part of the stirring shaft, the driven pulley is connected to the driving pulley through a belt, the driving pulley is fixedly connected to the stirring motor, and the stirring motor is fixed on the top of the slurry mixing tank. The driving mechanism is simple and practical.

[0009] As a preferred embodiment, the transmission mechanism includes a transmission pulley 1 fixed on the stirring shaft, the transmission pulley 1 is connected to the transmission pulley 2 through a belt 2, and the transmission pulley 2 is fixedly installed on the lower end of the crushing shaft.

[0010] As a preferred embodiment, a support rod is fixed on the outer side wall of the dosing tank, and the other end of the support rod is fixed on the side wall of the feed box, so that the dosing tank can be conveniently installed and fixed.

[0011] The utility model has the following beneficial effects:

[0012] By providing a feed box at the top of the slurry mixing tank, with a crushing shaft and a crushing rod in the feed box, the soil and cement entering the slurry mixing tank can be crushed and the agglomerated materials can be broken up, which is more conducive to the subsequent slurry mixing, and the crushed materials enter the slurry mixing tank from the lower hoppers on the front and rear sides to better prevent blockage. The crushing shaft is connected to the stirring shaft through a transmission mechanism, and there is no need to set up a separate crushing power component, which saves costs. In addition, the curing agent and admixture are added from the additive tank, enter the liquid channel through the additive pipe, and then rotate and disperse into the slurry from the liquid outlet hole, which is better for slurry mixing. The inner wall of the slurry mixing tank is provided with an impact convex column, which can increase the collision with the outer slurry and speed up the slurry mixing speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 for Figure 1 Partial structure diagram Figure 1 ;

[0015] Figure 3 It is a schematic diagram of the side structure of the feed box;

[0016] Figure 4 for Figure 1 Partial structure diagram Figure 2 ;

[0017] Figure 5is a schematic diagram of the top structure of the guide plate;

[0018] In the figure: 1. feed hopper; 2. dosing tank; 3. feed box; 4. lower hopper; 5. rotary joint; 6. water adding pipe; 7. flow meter; 8. dosing pipe; 9. stirring motor; 10. stirring shaft; 11. slurry mixing tank; 12. stirring rod; 13. guide plate; 14. impact boss; 15. stirring paddle; 16. stirring impeller; 17. fixing rod; 18. driven pulley; 19. transmission pulley 2; 20. crushing rod; 21. crushing shaft; 22. transmission pulley 1; 23. driving pulley; 24. liquid outlet. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with embodiments.

[0020] Embodiment 1, as Figures 1 to 5 As shown, the utility model is a mud preparation device for fluidized solidified soil, comprising a slurry mixing tank 11, a slurry discharge pipe is arranged at the bottom of the slurry mixing tank 11, a stirring shaft 10 is rotatably installed in the slurry mixing tank 11, a stirring rod 12 is fixed on the stirring shaft 10, a driving mechanism is connected to the upper part of the stirring shaft 10, a plurality of impact convex columns 14 are evenly arranged on the inner side wall of the slurry mixing tank 11, a liquid outlet 24 is arranged at the top and bottom of the stirring rod 12, a rotary joint 5 is fixed on the top of the stirring shaft 10, and a liquid connecting the rotary joint 5 and the liquid outlet 24 is arranged on the stirring shaft 10 and the stirring rod 12. A dosing pipe 8 is fixed on the top of the rotary joint 5, a dosing tank 2 is fixed on the top of the dosing pipe 8, a feed box 3 is provided on the top of the slurry mixing tank 11, a feed hopper 1 is fixed in the middle of the top of the feed box 3, lower hoppers 4 are fixed at the bottom of the front and rear sides of the feed box 3, the bottom of the lower hopper 4 is connected to the slurry mixing tank 11, the inner sides of the front and rear lower hoppers 4 intersect in the middle of the bottom of the feed box 3 and a crushing shaft 21 is rotatably installed at the intersection, the upper end of the crushing shaft 21 extends into the feed box 3 and a crushing rod 20 is fixed thereto, and the lower end of the crushing shaft 21 is provided with a transmission mechanism connected to the stirring shaft 10.

[0021] During operation, the driving mechanism drives the stirring shaft 10 to rotate, and a certain amount of water is added into the slurry mixing tank 11. Then, the liquid curing agent and the additive are added into the additive tank 2. A certain amount of soil and cement are added into the feed hopper 1. When the soil and cement enter into the slurry mixing tank 11, they are broken into lumps by the rotating breaking rod 20, and then flow into the slurry mixing tank 11 from the lower hopper 4 on the front and rear sides, and are mixed with water through stirring to prepare the slurry. The liquid curing agent and the additive are rotated and discharged from the additive tank 2 through the rotary joint 5 and the liquid channel from the liquid outlet 24, and are more evenly dispersed in the slurry. After the slurry preparation is completed, the valve on the slurry discharge pipe can be opened to discharge the mud.

[0022] Embodiment 2, based on embodiment 1, a stirring paddle 15 is fixed to the middle of the stirring shaft 10, and a stirring impeller 16 is fixed to the bottom of the stirring shaft 10. The stirring impeller 16 is provided with no less than three impellers.

[0023] The inner and outer circumferential arrays of the slurry mixing tank 11 are provided with no less than two vertical guide plates 13, the guide plates 13 are arranged obliquely, and the two ends of the guide plates 13 are fixed with fixing rods 17, and the inner ends of the fixing rods 17 are fixed to the inner wall of the slurry mixing tank 11. When the slurry in the slurry mixing tank 11 is stirred and rotated, it will hit the guide plates 13, and the guide plates 13 will hit and disperse the slurry, speed up the slurry mixing, and guide the slurry to the side wall of the slurry mixing tank 11, collide with the impact convex column 14, and hit and disperse the slurry.

[0024] A water adding pipe 6 is fixed on the adding pipe 8, and a valve and a flow meter 7 are provided on the water adding pipe 6. A valve is also provided on the adding pipe 8 above the water adding pipe 6. When water needs to be added, the valve on the adding pipe 8 is closed, and the valve on the water adding pipe 6 is opened. Water enters the adding pipe 8 and then enters the slurry mixing tank 11. The amount of water entering is measured by the flow meter 7. When the required amount of water is reached, the valve on the water adding pipe 6 can be closed. When the slurry mixing tank 11 needs to be cleaned, the valve on the water adding pipe 6 can be opened, and water is sprayed out from the liquid outlet 24 in a rotating manner to clean the inner wall of the slurry mixing tank 11.

[0025] The driving mechanism includes a driven pulley 18 fixed on the upper part of the stirring shaft 10 . The driven pulley 18 is connected to a driving pulley 23 via a belt 1 . The driving pulley 23 is fixedly connected to a stirring motor 9 . The stirring motor 9 is fixed on the top of the slurry mixing tank 11 .

[0026] The transmission mechanism includes a driving pulley 22 fixed on the stirring shaft 10, and the driving pulley 22 is connected to the driving pulley 19 through the belt 2, and the driving pulley 19 is fixedly installed on the lower end of the crushing shaft 21. The rotation of the stirring motor 9 drives the driving pulley 23 to rotate, thereby driving the driven pulley 18 to rotate through the belt 1, so that the stirring shaft 10 rotates, and the driving pulley 22 rotates accordingly, and then drives the driving pulley 19 to rotate through the belt 2, thereby driving the crushing shaft 21 to rotate.

[0027] A support rod is fixed on the outer side wall of the dosing tank 2 , and the other end of the support rod is fixed on the side wall of the feed box 3 .

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0029] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. A slurry preparation device for fluidized solidified soil, comprising a slurry preparation tank (11), a slurry discharge pipe being provided at the bottom of the slurry preparation tank (11), a stirring shaft (10) being rotatably mounted in the slurry preparation tank (11), a stirring rod (12) being fixed on the stirring shaft (10), and a driving mechanism being connected to the upper part of the stirring shaft (10), characterized in that: A plurality of impact convex columns (14) are evenly arranged on the inner side wall of the slurry mixing tank (11), a liquid outlet hole (24) is arranged at the top and bottom of the stirring rod (12), a rotating joint (5) is fixed at the top of the stirring shaft (10), a liquid channel connecting the rotating joint (5) and the liquid outlet hole (24) is arranged on the stirring shaft (10) and the stirring rod (12), a dosing pipe (8) is fixed at the top of the rotating joint (5), a dosing tank (2) is fixed at the top of the dosing pipe (8), and a feed box (2) is arranged at the top of the slurry mixing tank (11). 3), a feed hopper (1) is fixed in the middle of the top of the feed box (3), lower hoppers (4) are fixed at the bottoms of the front and rear sides of the feed box (3), the bottom of the lower hopper (4) is connected to the slurry mixing tank (11), the inner sides of the lower hoppers (4) on the front and rear sides intersect in the middle of the bottom of the feed box (3), and a crushing shaft (21) is rotatably installed at the intersection, the upper end of the crushing shaft (21) extends into the feed box (3) and is fixed with a crushing rod (20), and the lower end of the crushing shaft (21) is provided with a transmission mechanism connected to the stirring shaft (10).

2. The slurry preparation device for fluidized solidified soil according to claim 1, characterized in that: A stirring paddle (15) is fixed to the middle of the stirring shaft (10), and a stirring impeller (16) is fixed to the bottom of the stirring shaft (10).

3. The slurry preparation device for fluidized solidified soil according to claim 1, characterized in that: At least two vertical guide plates (13) are arranged in an array on the inner and outer circumferences of the slurry mixing tank (11). The guide plates (13) are arranged obliquely. Fixed rods (17) are fixed at both ends of the guide plates (13). The inner ends of the fixed rods (17) are fixed to the inner wall of the slurry mixing tank (11).

4. The slurry preparation device for fluidized solidified soil according to claim 1, characterized in that: A water adding pipe (6) is fixed on the adding pipe (8), a valve and a flow meter (7) are provided on the water adding pipe (6), and a valve is also provided on the adding pipe (8) above the water adding pipe (6).

5. The slurry preparation device for fluidized solidified soil according to claim 1, characterized in that: The driving mechanism comprises a driven pulley (18) fixed on the upper part of the stirring shaft (10); the driven pulley (18) is connected to a driving pulley (23) via a belt; the driving pulley (23) is fixedly connected to a stirring motor (9); and the stirring motor (9) is fixed on the top of the slurry mixing tank (11).

6. The slurry preparation device for fluidized solidified soil according to claim 5, characterized in that: The transmission mechanism comprises a transmission pulley 1 (22) fixed on the stirring shaft (10), the transmission pulley 1 (22) is connected to a transmission pulley 2 (19) via a belt 2, and the transmission pulley 2 (19) is fixedly mounted on the lower end of the crushing shaft (21).

7. The slurry preparation device for fluidized solidified soil according to claim 1, characterized in that: A support rod is fixed on the outer side wall of the dosing tank (2), and the other end of the support rod is fixed on the side wall of the feed box (3).

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