CN114682618A

CN114682618A - High-efficient hierarchical module that soaks of soil leaching chemistry

Info

Publication number: CN114682618A
Application number: CN202210298482.8A
Authority: CN
Inventors: 李铁强; 都长海; 高光辉; 高妍玲
Original assignee: Zhengzhou Desen Environmental Science And Technology Co ltd
Current assignee: Zhengzhou Desen Environmental Science And Technology Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-01

Abstract

The invention discloses a chemical efficient soaking and grading module for soil leaching, which comprises a box body, a stirring and soaking mechanism and a spiral grading mechanism, wherein a middle partition plate is arranged in the box body, the box body is divided into a grading bin and a soaking bin by the middle partition plate, the soaking bin is provided with a feed inlet, the grading bin is provided with a discharge outlet, the middle partition plate is provided with a feed through hole, the feed through hole is communicated with the grading bin and the soaking bin, the stirring mechanism is arranged in the soaking bin, an overflow pipe is arranged above the feed through hole, an outlet of the overflow pipe is communicated with the outside, a lifting gate plate is arranged at the inlet of the overflow pipe, and the spiral grading mechanism is arranged in the grading bin. The soil leaching chemical efficient soaking and grading module organically integrates the stirring soaking mechanism and the spiral grading mechanism, achieves the function combination of the soaking of the contaminated soil and the grading of soil particles, has a compact equipment structure and a wide application range on the contaminated soil, controls the soaking time of the soil in the leaching solution, and improves the grading efficiency.

Description

High-efficient hierarchical module that soaks of soil leaching chemistry

Technical Field

The invention relates to the technical field of soil washing, in particular to a chemical efficient soaking and grading module for soil washing.

Background

The soil leaching is to wash and repair the polluted soil through a series of physical and chemical comprehensive treatment processes by mainly using a chemical/biological solvent capable of promoting the dissolution or migration of pollutants in the soil, and to transfer heavy metals attached to the surfaces of soil particles from solid-phase low-concentration pollutants to liquid phases so as to facilitate subsequent centralized treatment. In the soil leaching process, not only are different polluted soil particles soaked, but also soil particles with different particle sizes are classified, but in the traditional soil remediation equipment, one equipment is difficult to achieve the softness of soaking and classification functions.

Patent numbers: CN113732043A discloses a heavy metal contaminated medium reinforcing leaching device, and the device has soil particle grading and leaching functions, and grading function and leaching function are still realized by different devices.

Patent numbers: CN112264446A discloses a soil remediation equipment, this soil remediation equipment has the box, and broken storehouse and restoration storehouse have screw mechanism in the broken storehouse in the box, have rabbling mechanism in the restoration storehouse. But this soil remediation device does not have a grading function.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, the technical problems in the related art.

Therefore, the embodiment of the invention provides the soil leaching chemical efficient soaking and grading module, the stirring and soaking mechanism and the spiral grading mechanism are organically integrated by the soil leaching chemical efficient soaking and grading module, the functions of soaking the polluted soil and grading soil particles are combined, the equipment structure is more compact, the application range of the equipment to the polluted soil is wider, the soaking time of the soil in the leaching solution is powerfully controlled, and the grading efficiency is improved.

The soil leaching chemical efficient soaking and grading module comprises a box body, a stirring and soaking mechanism and a spiral grading mechanism.

The box body is divided into a grading bin and a soaking bin by the middle partition plate, the soaking bin is provided with a feeding hole, the grading bin is provided with a discharging hole, and the middle partition plate is provided with a material passing hole which is communicated with the grading bin and the soaking bin;

the stirring mechanism is arranged in the soaking bin, an overflow pipe is arranged above the material passing port, an outlet of the overflow pipe is communicated with the outside, and an inlet of the overflow pipe is provided with a lifting flashboard and communicated with the grading bin;

the spiral grading mechanism is arranged in the grading bin, and the discharge port is arranged below the grading bin.

In some embodiments, an inclined plate is further provided, the inclined plate is arranged in the soaking bin in an inclined manner, the material passing port is close to the low end of the inclined plate, and the material feeding port is close to the high end of the inclined plate.

In some embodiments, the classifying bins are distributed in an inclined manner, the low-level ends of the classifying bins are close to the material passing port, and the high-level ends of the classifying bins are close to the material outlet.

In some embodiments, the spiral staging mechanism is angularly distributed in the staging bin with the same slope as the staging bin.

In some embodiments, the stirring and soaking mechanisms are multiple, and the multiple stirring and soaking mechanisms are arranged on the inclined plate and are distributed at intervals along the extending direction of the inclined plate.

In some embodiments, a platform is arranged at the top of the soaking bin, and an access hole is formed in the platform.

In some embodiments, a driving member is arranged on the side surface of the grading bin, and the driving member is used for driving the spiral grading mechanism to operate.

The invention has the following beneficial effects:

1. according to the invention, the stirring soaking mechanism and the spiral grading mechanism are organically integrated, and the universal design is carried out by utilizing the modular design, so that the functions of soaking the polluted soil and grading soil particles are combined, and the equipment structure is compact. Meanwhile, the application range of the polluted soil is wider, the soaking time of the soil in the leacheate is controlled, and the grading efficiency is improved.

2. The concentration of the overflow slurry can be controlled by adjusting the lifting flashboard, and the higher the height of the lifting flashboard is, the lower the concentration of the overflow slurry is.

3. The inclined plate is arranged to facilitate the flow of slurry, and the slurry can be prevented from settling under the combined action of the stirring and soaking mechanisms on the inclined plate.

Drawings

FIG. 1 is a schematic diagram of a soil leaching chemical high-efficiency soaking grading module according to an embodiment of the invention;

FIG. 2 is a front sectional view of a soil leaching chemical high-efficiency soaking grading module according to an embodiment of the invention;

FIG. 3 is a top sectional view of a soil leaching chemical high efficiency soaking grading module according to an embodiment of the invention;

FIG. 4 is a left side view of a soil washing chemical high efficiency soaking grading module according to an embodiment of the invention;

fig. 5 is a right sectional view of the soil leaching chemical high efficiency soaking grading module according to the embodiment of the invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

The soil leaching chemical high-efficiency soaking grading module provided by the embodiment of the invention comprises: the device comprises a box body 1, a stirring and soaking mechanism 2 and a spiral grading mechanism 3.

Specifically, as shown in fig. 1 to 5, a middle partition plate 101 is provided in the box body 1, and the box body 1 is divided into a stirring bin 102 and a classifying bin 103 by the middle partition plate 101. The stirring bin is internally provided with an inclined plate 4 which is obliquely distributed, the stirring bin is also provided with a feed inlet and a material passing port 5, the feed inlet is close to the high-level end of the inclined plate 4, and the material passing port 5 is arranged on the middle partition plate and is close to the low-level end of the inclined plate 4. The inclined plate 4 is provided with three stirring and soaking mechanisms 2 distributed along the extending direction of the inclined plate 4. The stirring and soaking mechanism is a motor reducer, and the end part of an extending shaft of the stirring and soaking mechanism is provided with a stirring blade. An overflow pipe 6 is arranged above the material passing opening 5 in the stirring bin 102, a lifting flashboard 7 is arranged at the inlet of the overflow pipe, and the outlet of the overflow pipe 6 is communicated with the outside. The overflow pipe 6 is arranged obliquely, and the inlet end of the overflow pipe is a high-level end, and the outlet end of the overflow pipe is a low-level end.

The grading bins 103 are distributed obliquely, the low-level ends of the grading bins are close to the material passing port 5, and the bottom of the high-level ends of the grading bins are provided with a material outlet 8. The grading bin 103 is internally provided with a spiral grading mechanism 3, the spiral grading mechanism 3 comprises a central shaft and spiral blades, and the central shaft and the grading bin are coaxially distributed. The grading bin is provided with a driving part 9 at the outer side, and the driving part 9 is a motor reducer and is used for driving the spiral grading mechanism to rotate.

The top end of the stirring bin 102 is also provided with a platform 10, the platform is provided with an access hole 11, and the edge of the platform is provided with a guardrail.

According to the soil leaching chemical high-efficiency soaking grading module provided by the embodiment of the invention, slurry with the thickness of less than 2 mm is pumped into the soaking bin 102 from the feeding hole through a mortar pump, the slurry moves from the high end to the low end of the inclined plate 4 under the action of the stirring soaking mechanism 2, the slurry enters the grading bin 103 through the discharge hole 5, supernatant (low-concentration slurry) in the slurry flows out of the overflow pipe 6 through the lifting gate 7, and residual silt is discharged from the discharge hole 8 under the action of the spiral grading mechanism 3. The stirring and soaking mechanism 2 and the inclined plate 4 can effectively prevent the sediment from precipitating and can fully mix the mud and the leaching agent. The height of the lifting gate plate 7 is adjusted, the height of an overflow surface can be changed, the concentration of the supernatant can be controlled, and the lifting gate plate is higher and lower. The spiral grading mechanism 3 can effectively separate silt and mud.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the scope of the present invention.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and unless otherwise stated the above words are not intended to have a special meaning.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a hierarchical module is soaked to soil leaching chemistry high efficiency which characterized in that includes:

the box body is divided into a grading bin and a soaking bin by the middle partition plate, the soaking bin is provided with a feeding hole, the grading bin is provided with a discharging hole, the middle partition plate is provided with a material passing hole, and the material passing hole is communicated with the grading bin and the soaking bin;

the stirring and soaking mechanism is arranged in the soaking bin, an overflow pipe is arranged above the material passing port, an outlet of the overflow pipe is communicated with the outside, and a lifting gate plate is arranged at an inlet of the overflow pipe and communicated with the grading bin;

2. The soil leaching chemistry high efficiency soaking and grading module according to claim 1, further comprising an inclined plate, wherein the inclined plate is arranged in the soaking bin in an inclined manner, the material passing port is close to the lower end of the inclined plate, and the material feeding port is close to the upper end of the inclined plate.

3. The soil leaching chemical high-efficiency soaking and grading module according to claim 1, wherein the grading bins are distributed in an inclined manner, the lower ends of the grading bins are close to the material passing port, and the upper ends of the grading bins are close to the material discharging port.

4. The soil washing chemical high efficiency soaking grading module according to claim 3, characterized in that said spiral grading mechanism is distributed in said grading bin with inclination the same as the slope of said grading bin.

5. The soil washing chemistry high efficiency soaking and grading module according to claim 2, wherein said stirring and soaking mechanism is provided in plurality, and said stirring and soaking mechanisms are provided on said sloping plate and are spaced apart along the extension direction of said sloping plate.

6. The soil washing chemical high-efficiency soaking and grading module according to claim 1, wherein a driving member is arranged on the side surface of the grading bin, and the driving member is used for driving the spiral grading mechanism to operate.

7. The soil leaching chemical high efficiency soaking grading module according to claim 1, wherein a platform is arranged on the top of the soaking bin, and an access hole is arranged on the platform.

8. The soil leaching chemical high efficiency soaking and grading module according to claim 7, wherein a guardrail is provided at the platform edge.