Stirring and mixing device for soil remediation
By designing a mixing device with counter-rotating crushing and mixing blades, the problems of uneven mixing and insufficient crushing capacity in soil remediation were solved, achieving full mixing and efficient crushing of soil and conditioner, thus improving remediation efficiency.
Patent Information
- Application Number
- CN202423244512.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing mixing devices struggle to fully mix soil and conditioners during soil remediation, resulting in uneven mixing and insufficient crushing capacity, which affects remediation effectiveness and efficiency.
A mixing device comprising a mixing tank, a mixing assembly, and a drive assembly is designed. The mixing assembly includes a mixing shaft and a mixing sleeve, and is equipped with upper and lower crushing mixing discs and mixing blades. The drive assembly drives the crushing mixing discs and mixing blades to rotate in opposite directions through gear meshing, ensuring that the soil and the conditioner are fully mixed and crushed before entering the mixing tank.
This method achieves uniform mixing of soil and conditioner, improves the efficiency of soil remediation, and meets the application requirements of soil remediation.
Smart Images
Figure CN223811393U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to soil pollution treatment device technical field, concretely is a kind of stirring mixing device for soil remediation. BACKGROUND
[0002] Soil remediation is the technical measure for the contaminated soil to restore normal function, and the land landfill method is more widely used. This method needs to excavate the surface soil of the contaminated soil, and then backfill the remediation soil at the excavation site. The remediation soil is formed by fully mixing the soil body (the soil body may be the excavated contaminated soil or the uncontaminated soil excavated from other places) and the corresponding adjusting agent. The adjusted soil has good nutrition, humidity and pH value after being adjusted by the adjusting agent.
[0003] During soil remediation, a large amount of remediation soil is required, and the remediation soil needs to be fully mixed with the soil body and the adjusting agent. The existing stirring mixing device can only stir the soil body and the adjusting agent in one direction when mixing them, which makes it difficult to fully mix the soil body and the adjusting agent, and may cause uneven stirring, thereby affecting the remediation effect of the soil. In addition, the existing stirring mixing device has poor crushing capacity for the soil body, and the soil body needs to be pre-crushed before stirring, which further reduces the manufacturing efficiency of the remediation soil. Therefore, the existing stirring mixing device cannot meet the use requirements of soil remediation. SUMMARY
[0004] Therefore, the utility model provides a mixing tank body, a stirring assembly and a driving assembly. The mixing tank body is provided with a feeding port at the top and a discharging port at the bottom.
[0005] The stirring assembly includes a stirring shaft and a stirring sleeve. The stirring sleeve is rotatably arranged in the mixing tank body, and the top of the stirring sleeve penetrates through the top of the mixing tank body. The top of the stirring sleeve is provided with a lower driven gear.
[0006] The stirring shaft is rotatably arranged in the stirring sleeve, and the two ends of the stirring shaft extend out of the stirring sleeve. The top of the stirring shaft is provided with an upper driven gear.
[0007] The lower end of the stirring sleeve is provided with an upper crushing stirring disc, and the lower end of the stirring shaft is provided with a lower crushing stirring disc. A plurality of crushing stirring blades are arranged on the upper and lower crushing stirring discs. A plurality of mixing stirring leaves are further arranged on the stirring shaft.
[0008] The driving assembly includes a driver and a driving gear. The driving gear is engaged with the upper driven gear and the lower driven gear. The driver is used to drive the driving gear to rotate, thereby driving all the crushing stirring blades and the mixing stirring leaves to rotate.
[0009] Further, the broken stirring blades are arranged in an inclined manner relative to the plane perpendicular to the stirring shaft, and the inclination angle ranges from 30° to 60°.
[0010] Further, all the mixing stirring blades are perpendicular to the plane perpendicular to the stirring shaft.
[0011] Further, the stirring shaft is provided with a plurality of fixed connecting holes, the fixed connecting holes are threaded holes, the end of the mixing stirring blade is provided with a connecting screw rod, and the connecting screw rod is threadedly connected in the fixed connecting hole.
[0012] Further, the driver is a driving motor, the driving assembly further comprises a speed reducer, the driving motor is connected with the speed reducer, and the output shaft of the driver is connected with the driving gear.
[0013] Further, the speed reducer is provided below with a fixed mounting seat, and the speed reducer is mounted on the top of the mixing tank body through the fixed mounting seat.
[0014] Further, the top of the mixing tank body is provided with a closed cover body, and the fixed mounting seat is fixed on the closed cover body.
[0015] Further, the bottom of the mixing tank body is in a conical funnel structure, the bottom of the mixing tank body is provided with a discharge pipe, and the lower end of the discharge pipe is provided with a discharge valve.
[0016] Further, the mixing tank body is further provided with a rotating support disc, and the lower end of the stirring shaft is rotatably connected in the rotating support disc.
[0017] Further, a plurality of fixed connecting rods are connected on the rotating support disc, one end of the fixed connecting rod is fixed on the inner wall of the mixing tank body, and the other end of the fixed connecting rod is connected to the side wall of the rotating support disc.
[0018] The stirring mixing device for soil remediation has the beneficial effects that: the stirring mixing device comprises a mixing tank body, a stirring assembly and a driving assembly; the stirring assembly comprises a stirring shaft and a stirring sleeve, the top of the stirring sleeve is provided with a lower driven gear; the stirring shaft is rotatably arranged in the stirring sleeve, both ends of the stirring shaft extend out of the stirring sleeve, and the top of the stirring shaft is provided with an upper driven gear; the lower end of the stirring sleeve is provided with an upper broken stirring disc, the lower end of the stirring shaft is provided with a lower broken stirring disc, a plurality of broken stirring blades are arranged on the upper and lower broken stirring discs, and a plurality of mixing stirring blades are further arranged on the stirring shaft; the driving assembly comprises a driver and a driving gear, the driving gear is engaged with the upper driven gear and the lower driven gear at the same time, so that the driver can drive the broken stirring blades on the upper and lower broken stirring discs to rotate in opposite directions, the upper and lower broken stirring discs and the mixing stirring blades rotate in opposite directions, the mixing effect of the soil in the mixing tank body can be greatly improved, and the soil and the adjusting agent can be uniformly mixed.
[0019] All the broken stirring blades of the stirring and mixing device are arranged obliquely, so that the end part has a relatively sharp blade part, and when the upper and lower broken stirring discs rotate, the blade part of the broken stirring blade can fully break the soil, so that the soil does not need to be pre-broken before entering the mixing tank body, and the manufacturing efficiency of the repaired soil can be further improved, so as to meet the use requirement of soil repair. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 FIG. 1 is a schematic diagram of the overall structure of the stirring and mixing device for soil repair according to an embodiment of the present application.
[0021] Figure 2 FIG. 2 is a schematic diagram of the internal structure of the mixing tank body of the stirring and mixing device for soil repair according to an embodiment of the present application.
[0022] Figure 3 FIG. 3 is an enlarged view of position A in FIG. 1. Figure 2 FIG. 4 is an enlarged view of position B in FIG. 1.
[0023] Figure 4 FIG. 5 is an enlarged view of position C in FIG. 1. Figure 2 FIG. 6 is an enlarged view of position D in FIG. 1.
[0024] In the above-mentioned figures: 1-mixing tank body, 11-closed cover body, 12-feeding port, 13-discharge pipe, 14-discharge valve, 15-protection cover, 2-driving motor, 21-reducer, 22-fixed mounting seat, 23-driving gear, 3-stirring sleeve, 31-lower driven gear, 4-stirring shaft, 41-upper driven gear, 5-upper broken stirring disc, 51-broken stirring blade, 6-lower broken stirring disc, 7-mixing and stirring blade, 71-connecting screw rod, 8-rotating support disc, 81-fixed connecting rod. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will further describe the embodiments of the present application in combination with the drawings.
[0026] Please refer to Figures 1 to 4 The stirring and mixing device for soil repair comprises a mixing tank body 1, a stirring assembly and a driving assembly.
[0027] The mixing tank body 1 is a cylindrical tank body, supported by a plurality of legs, and has an opening at the top, and is provided with a closed cover body 11 at the top, a feeding port 12 at the top and a discharge port at the bottom; in this embodiment, the feeding port 12 is arranged on the closed cover body 11, the bottom of the mixing tank body 1 is in a conical hopper structure, the bottom of the mixing tank body 1 is provided with a discharge pipe 13, the discharge pipe 13 is provided with a discharge valve 14, and the lower end opening of the discharge pipe 13 is the discharge port.
[0028] The stirring assembly comprises a stirring shaft 4 and a stirring sleeve 3, the stirring sleeve 3 is rotationally arranged in the mixing tank body 1, the top of the stirring sleeve 3 penetrates the top of the mixing tank body 1, and the top of the stirring sleeve 3 is provided with a lower driven gear 31; the stirring shaft 4 is rotationally arranged in the stirring sleeve 3, both ends of the stirring shaft 4 extend out of the stirring sleeve 3, and the top of the stirring shaft 4 is provided with an upper driven gear 41; the upper driven gear 41 and the lower driven gear 31 are arranged oppositely and in parallel.
[0029] The lower end of the stirring sleeve 3 is provided with an upper crushing stirring disc 5, the lower end of the stirring shaft 4 is provided with a lower crushing stirring disc 6, a plurality of crushing stirring blades 51 are arranged on the upper and lower crushing stirring discs, the upper and lower crushing stirring discs are fixed on the stirring sleeve 3 and the stirring shaft 4 respectively, and a plurality of mixing stirring leaves 7 are further arranged on the stirring shaft 4; the upper and lower ends of the crushing stirring blade 51 are provided with relatively sharp blade parts, and the crushing stirring blade 51 can stir and crush the soil body when rotating.
[0030] The driving assembly comprises a driver and a driving gear 23, the driving gear 23 is located between the upper driven gear 41 and the lower driven gear 31, and the driving gear 23 is vertically engaged with the upper driven gear 41 and the lower driven gear 31; in the embodiment, the driving gear 23, the upper driven gear 41 and the lower driven gear 31 are all bevel gears, and the driver is used to drive the driving gear 23 to rotate, thereby driving all the crushing stirring blades 51 and the mixing stirring leaves 7 to rotate.
[0031] When the mixing device works, the mixture (soil body and adjusting agent) enters the mixing tank body 1 from the feeding port, the driving assembly is used to drive the driving gear 23 to rotate, the driving gear 23 can drive the upper driven gear 41 and the lower driven gear 31 to synchronously and reversely rotate, thereby driving all the crushing stirring blades 51 and the mixing stirring leaves 7 to rotate, the rotating directions of the crushing stirring blades on the upper and lower crushing stirring discs are opposite, and the crushing stirring blades and the mixing stirring leaves are matched, so that the mixing effect of the soil in the mixing tank body can be greatly improved, and the soil body and the adjusting agent can be uniformly mixed. Moreover, the blade parts of the crushing stirring blades on the upper and lower crushing stirring discs can fully crush the soil body, so that the soil body does not need to be pre-crushed before entering the mixing tank body, and the manufacturing efficiency of the repaired soil can be further improved, thereby meeting the use demand of the soil repair.
[0032] In the preferred embodiment, the crushing blades 51 are arranged to be inclined to the vertical plane (i.e. horizontal plane) relative to the stirring shaft 4, and the inclination angle is in the range of 30°-60°. All the mixing blades 7 are perpendicular to the vertical plane relative to the stirring shaft 4. The crushing blades 51 and the mixing blades 7 are both in the shape of a plate. The inclined arrangement of the crushing blades 51 can form relatively sharp edges on the upper and lower parts of the crushing blades 51. The vertical arrangement of the mixing blades 7 can increase the contact area between the mixing blades 7 and the soil when the mixing blades 7 rotate, and improve the mixing effect on the soil.
[0033] In the preferred embodiment, the stirring shaft 4 is provided with a plurality of fixed connection holes, which are threaded holes. The end of the mixing blade 7 is provided with a connecting screw rod 71, which is screwed into the fixed connection hole.
[0034] In the preferred embodiment, the driver is a driving motor 2, and the driving assembly further comprises a speed reducer 21. The driving motor 2 is connected to the speed reducer 21, and the output shaft of the driver is connected to the driving gear 23. The speed reducer 21 is arranged below a fixed mounting seat 22, and is mounted on the top of the mixing tank 1 through the fixed mounting seat 22. The fixed mounting seat 22 is fixed to the closed cover 11, and the closed cover 11 is further provided with a protective cover 15. The protective cover 15 covers the driving gear 23, the upper driven gear 41 and the lower driven gear 31, so as to prevent foreign matters from affecting the operation of the driving assembly and the stirring assembly.
[0035] In the preferred embodiment, the mixing tank 1 is further provided with a rotating support disc 8. The upper end of the rotating support disc 8 is provided with a rotating connection hole, and the lower end of the stirring shaft 4 is rotatably connected to the rotating connection hole of the rotating support disc 8 through a bearing. The rotating support disc 8 is connected to a plurality of fixed connecting rods 81. One end of each fixed connecting rod 81 is fixed to the inner wall of the mixing tank 1, and the other end of each fixed connecting rod 81 is connected to the side wall of the rotating support disc 8. The rotating support disc 8 can limit the lower end of the stirring shaft 4, so as to ensure the stability of the rotating process.
[0036] In this document, the terms front, back, up, down, etc. are defined according to the positions of the components in the drawings and the positions of the components relative to each other, which are only for the purpose of expressing the technical solutions clearly and conveniently. It should be understood that the use of the terms should not limit the scope of the application.
[0037] In the case of no conflict, the above-mentioned embodiments and features in the embodiments can be combined with each other.
[0038] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An agitator mixing device for soil remediation, characterized by: The mixing tank body and the stirring assembly and the driving assembly are included, The mixing tank body top is provided with a feeding port, and the mixing tank body bottom is provided with a discharging port. The stirring assembly includes a stirring shaft and a stirring sleeve, the stirring sleeve is rotationally arranged in the mixing tank body, the stirring sleeve top penetrates through the mixing tank body top, and the stirring sleeve top is provided with a lower driven gear. The stirring shaft is rotationally arranged in the stirring sleeve, both ends of the stirring shaft extend out of the stirring sleeve, and the stirring shaft top is provided with an upper driven gear. The stirring sleeve lower end is provided with an upper broken stirring disc, and the stirring shaft lower end is provided with a lower broken stirring disc, a plurality of broken stirring blades are arranged on the upper and lower broken stirring discs, and a plurality of mixing stirring leaves are further arranged on the stirring shaft. The driving assembly includes a driver and a driving gear, the driving gear is engaged with the upper driven gear and the lower driven gear, the driver is used for driving the driving gear to rotate and drive all the broken stirring blades and the mixing stirring leaves to rotate.
2. A mixing device for soil remediation according to claim 1, wherein: All the broken stirring blades are arranged to be inclined relative to the vertical plane of the stirring shaft, and the inclination angle ranges from 30° to 60°.
3. The mixing device for soil remediation of claim 1, wherein: All the mixing stirring leaves are perpendicular to the vertical plane relative to the stirring shaft.
4. The mixing device for soil remediation of claim 1, wherein: A plurality of fixed connection holes are arranged on the stirring shaft, the fixed connection holes are threaded holes, the end of the mixing stirring leaf is provided with a connecting screw rod, and the connecting screw rod is threadedly connected in the fixed connection hole.
5. The mixing device for soil remediation of claim 1, wherein: The driver is a driving motor, the driving assembly further includes a speed reducer, the driving motor is connected with the speed reducer, and the output shaft of the driver is connected with the driving gear.
6. A mixing device for soil remediation according to claim 5, wherein: The speed reducer is provided below with a fixed mounting seat, and the speed reducer is mounted on the mixing tank body top through the fixed mounting seat.
7. A mixing device for soil remediation according to claim 6, wherein: The mixing tank body top is provided with a closed cover body, and the fixed mounting seat is fixed on the closed cover body.
8. The soil remediation mixing apparatus of claim 1, wherein: The mixing tank body bottom is a conical funnel structure, the mixing tank body bottom is provided with a discharging pipe, and the discharging pipe lower end is provided with a discharging valve.
9. The mixing apparatus for soil remediation of claim 1, wherein: The mixing tank body is further provided with a rotating support disc, and the stirring shaft lower end is rotationally connected in the rotating support disc.
10. A mixing apparatus for soil remediation according to claim 9, wherein: The rotating support disc is connected with a plurality of fixed connecting rods, one end of the fixed connecting rod is fixed on the inner wall of the mixing tank body, and the other end of the fixed connecting rod is connected to the side wall of the rotating support disc.