CN215467025U

CN215467025U - Mixing device for soil remediation

Info

Publication number: CN215467025U
Application number: CN202121719826.5U
Authority: CN
Inventors: 蔡瑜; 沈丹梅; 马先芮; 陈时超; 王诚臣
Original assignee: Shanghai Zhuoyu Environment Engineering Co ltd
Current assignee: Shanghai Construction Engineering Environmental Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-01-11
Anticipated expiration: 2031-07-27

Abstract

The utility model relates to a mixing device for soil remediation, which structurally comprises a feeding port and a mixing cavity, wherein the feeding port is arranged at the upper end of the mixing cavity, a discharging port is arranged at the lower end of one side, close to the mixing cavity, of the mixing cavity, and the feeding port, the mixing cavity and the discharging port are communicated in sequence; a mixing paddle is arranged in the mixing cavity; and a driving motor is arranged on the outer side of the mixing cavity and is in transmission connection with the mixing paddle. The mixing device for soil remediation can be used for pre-preparing slurry outside the roller stone washer, further crushing the soil and placing the soil lumps through the arrangement of the mixing paddles, so that the soil is fully mixed with water, and solid impurities and sand in the soil can be conveniently separated out.

Description

Mixing device for soil remediation

Technical Field

The utility model relates to the field of soil remediation equipment, in particular to a mixing device for soil remediation.

Background

For repairing (restoring) heavy metal contaminated soil, conventionally, water is added into the soil to form slurry, and a medicament is added into the slurry to separate heavy metals from the soil.

The existing method is to directly put soil into a roller stone washer, add clean water into the roller stone washer, and wash and separate sand, stone and the like in the soil through the roller stone washer.

However, the effect of directly separating and cleaning in the roller stone washer is not ideal, especially for viscous soil, soil is caked in the roller stone washer, so that stones are mixed in the soil and cannot be separated, part of soil is separated during final separation, and the soil needs to be reprocessed again, so that the labor and time are consumed.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a mixing device for soil remediation.

The technical purpose of the utility model is realized by the following technical scheme:

a mixing device for soil remediation structurally comprises a feeding port and a mixing cavity, wherein the feeding port is arranged at the upper end of the mixing cavity, a discharging port is arranged at the lower end of the mixing cavity close to one side of the mixing cavity, and the feeding port, the mixing cavity and the discharging port are sequentially communicated; a mixing paddle is arranged in the mixing cavity; and a driving motor is arranged on the outer side of the mixing cavity and is in transmission connection with the mixing paddle.

Furthermore, a liquid adding pipe is further installed on the side face of the feeding port and communicated with the inside of the feeding port.

Furthermore, the mixing paddle comprises a rotating shaft and a plurality of paddles, the paddles are installed on the rotating shaft, and the driving motor is in transmission connection with the rotating shaft.

Further, the paddle comprises a first paddle and a second paddle, the first paddle and the second paddle are installed on the rotating shaft in a staggered mode, and the first paddle and the second paddle are arranged in a crossed mode.

Furthermore, the outer side of the mixing cavity is also provided with a rotating shaft bracket, the rotating shaft brackets are arranged on two opposite sides of the mixing cavity, and two ends of the rotating shaft respectively penetrate through the outer wall of the mixing cavity and are arranged on the rotating shaft brackets on two sides.

Furthermore, the mixing cavity comprises a bottom support and a baffle, the bottom support is a U-shaped bottom support, two ends of the bottom support are U-shaped ports, the baffle is a U-shaped baffle, and the baffle is arranged at the U-shaped ports at the two ends of the bottom support; both ends of the rotating shaft respectively penetrate through the baffle plates.

Further, a sealing gasket is arranged between the U-shaped baffle and the U-shaped port.

Furthermore, a material collecting hopper and a material collecting pipe are arranged below the baffle plate, the material collecting hopper is connected with the material collecting pipe, and the other end of the material collecting pipe is connected with a leaked liquid collecting device.

Further, the discharge port is close to the baffle setting of one side, and the collecting hopper is close to the baffle setting of one side in addition, can collect the mud that spills from baffle and U type port position through the collecting hopper, and the rethread collecting pipe is sent to weeping collection device, gets into the subsequent processing step.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the soil and water can be primarily mixed in the mixing cavity through the arrangement of the mixing paddle, so that the soil is fully dissolved in the water to form slurry, and the subsequent sand-stone separation is facilitated;

(2) the liquid feeding pipe can directly feed water or other liquid into the mixing cavity through the water pump without adding water;

(3) the first blades and the second blades are arranged in a staggered mode, so that the soil is further crushed, and the soil is prevented from caking; meanwhile, the blades can push slurry to flow to the discharge port to a certain degree, so that the discharge port is prevented from being blocked or unsmooth.

Drawings

Fig. 1 is a schematic structural diagram of a mixing device for soil remediation according to the present invention.

Figure 2 is a schematic view of the mixing paddle installation of the present invention.

Fig. 3 is a schematic view of the mounting of a first blade and a second blade in the present invention.

FIG. 4 is a schematic view of the arrangement of the collection hopper in the present invention.

In the figure, 1, a feeding port; 2. a mixing chamber; 3. a discharge port; 4. a drive motor; 5. a rotating shaft; 6. a first blade; 7. a second blade; 8. a rotating shaft support; 9. a bottom support; 10. a baffle plate; 11. a collection hopper; 12. a material collecting pipe; 13. a liquid feeding pipe.

Detailed Description

The technical solution of the present invention is further described below with reference to specific embodiments:

a mixing device for soil remediation is shown in figure 1 and comprises a feeding port 1 and a mixing cavity 2, wherein the feeding port 1 is arranged at the upper end of the mixing cavity 2, a discharging port 3 is arranged below the mixing cavity 2 and close to one side, the discharging port 3 is a discharging pipe, and the feeding port 1, the mixing cavity 2 and the discharging port 3 are sequentially communicated; still be equipped with the mixing paddle in mixing chamber 2, mixing chamber 2 outside sets up driving motor 4, and driving motor 4 is connected through driving motor 4 and mixing paddle transmission like the motor, and driving motor drives mixing paddle and rotates in mixing chamber.

In order to facilitate the water adding into the mixing cavity 2, a liquid adding pipe 13 is also arranged on the side surface of the material inlet 1, the liquid adding pipe 13 is connected with a water pump, and water is added into the mixing cavity 2 through the water pump; of course, it is also possible to connect the filler tube 13 to the mixing chamber, but it may clog the filler tube.

The mixing paddle comprises a rotating shaft 5, paddles and a rotating shaft support 8, wherein the paddles are installed on the rotating shaft 5, two ends of the rotating shaft 5 are respectively installed on the rotating shaft support 8, a driving motor 4 is in transmission connection with the rotating shaft 5, and the rotating shaft 5 is driven by the driving motor 4 to rotate on the rotating shaft support 8.

The blade comprises a first blade 6 and a second blade 7, the first blade 6 and the second blade 7 are identical in form, such as fan blades, the first blade 6 and the second blade 7 are installed on the rotating shaft 5 in a staggered mode, and the first blade 6 and the second blade 7 are not in contact with each other, as shown in figures 2 and 3.

The mixing cavity 2 comprises a bottom support 9 and a baffle plate 10, the bottom support 9 is a U-shaped bottom support, two ends of the bottom support 9 are U-shaped ports, the baffle plate 10 is a U-shaped baffle plate, the baffle plate 10 is arranged at the positions of the U-shaped ports at the two ends of the bottom support 9, and the baffle plate 10 is connected with the U-shaped ports through bolts; in order to prevent the muddy water from leaking out between the baffle 10 and the U-shaped port, a sealing gasket (not shown) such as a rubber gasket is further installed between the baffle 10 and the U-shaped port, and the sealing gasket is sandwiched between the baffle 10 and the U-shaped port; both ends of the rotary shaft 5 are respectively installed on the rotary shaft support 8 after passing through the baffle plates 10 at both sides.

Inevitably, with use, there may be losses to the equipment, some leakage may occur between the baffle 10 and the U-shaped port, the leakage being substantially muddy water, free of sand particles, but running to the ground causing site pollution. Therefore, a collecting hopper 11 is further arranged below the baffle 10, as shown in fig. 4, the collecting hopper 11 is arranged below the baffle 10 on the side without the discharge port, leaked muddy water can directly flow into the collecting hopper 11, a collecting pipe 12 is connected below the collecting hopper 11, and the leaked muddy water is conveyed to a leaked liquid collecting device through the collecting pipe 12, wherein the leaked liquid collecting device can be a storage container, such as a tank, a water tank or a reaction tank.

The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.

Claims

1. The mixing device for soil remediation is characterized by structurally comprising a feeding port and a mixing cavity, wherein the feeding port is arranged at the upper end of the mixing cavity, a discharging port is arranged at the lower end of one side, close to the mixing cavity, of the mixing cavity, and the feeding port, the mixing cavity and the discharging port are sequentially communicated; a mixing paddle is arranged in the mixing cavity; and a driving motor is arranged on the outer side of the mixing cavity and is in transmission connection with the mixing paddle.

2. A mixing device for soil remediation according to claim 1 further comprising a liquid feeding pipe mounted to the side of the inlet, the liquid feeding pipe communicating with the inside of the inlet.

3. A mixing device for soil remediation according to claim 1 wherein the mixing paddles comprise a rotating shaft and a plurality of paddles, the paddles are mounted on the rotating shaft, and the drive motor is in driving connection with the rotating shaft.

4. A mixing device for soil remediation according to claim 3 wherein the blades include a first blade and a second blade, the first blade and the second blade are mounted on the rotating shaft in a staggered manner, and the first blade and the second blade are arranged in a crossing manner.

5. A mixing device for soil remediation according to claim 3 wherein the mixing chamber is further provided with rotary shaft supports on the outside thereof, the rotary shaft supports being mounted on opposite sides of the mixing chamber, and both ends of the rotary shaft are respectively mounted on the rotary shaft supports on both sides through the outer wall of the mixing chamber.

6. The mixing device for soil remediation according to claim 5, wherein the mixing chamber comprises a bottom support and a baffle, the bottom support is a U-shaped bottom support, the two ends of the bottom support are U-shaped ports, the baffle is a U-shaped baffle, and the baffle is mounted at the U-shaped ports at the two ends of the bottom support; both ends of the rotating shaft respectively penetrate through the baffle plates.

7. A mixing device for soil remediation according to claim 6 further comprising a gasket mounted between the U-shaped baffle and the U-shaped port.

8. A mixing device for soil remediation according to claim 6 further comprising a collection hopper and a collection pipe below the baffle, wherein the collection hopper is connected with the collection pipe, and the other end of the collection pipe is connected with a leaked liquid collection device.

9. A mixing device for soil remediation according to claim 8 wherein the discharge port is located adjacent to one baffle and the collection hopper is located adjacent to the other baffle.