CN216911510U

CN216911510U - Heavy metal contaminated soil drip washing equipment

Info

Publication number: CN216911510U
Application number: CN202123023317.1U
Authority: CN
Inventors: 王海蕊; 马晓东; 杨新飞; 周广锋; 任丽; 郭延柱
Original assignee: Shandong Environmental Protection Industry Group Co ltd
Current assignee: Shandong Environmental Protection Industry Group Co ltd
Priority date: 2021-12-04
Filing date: 2021-12-04
Publication date: 2022-07-08
Anticipated expiration: 2031-12-04

Abstract

The application belongs to the technical field of contaminated soil remediation, and particularly relates to heavy metal contaminated soil leaching equipment which comprises a mincing device, a screening device, a leaching device and a separating device which are sequentially communicated, wherein the leaching device comprises a leaching device body, a stirring shaft is arranged on the leaching device body, stirring blades are arranged on the stirring shaft, a horizontal connecting rod is arranged on the stirring shaft, a vertical connecting rod is arranged at the tail end of the connecting rod, a hairbrush is arranged on the connecting rod, the leaching device body is connected with a leaching box through a medicament inlet pipe, the medicament inlet pipe extends into the leaching device body and is connected with a leaching pipe, small holes or nozzles are uniformly arranged on the leaching pipe, the separating device comprises a separating device body, an inlet pipe is arranged at the bottom of the left side of the separating device body, an outlet pipe is arranged at the right side of the separating device body, an overflow plate, a first filtering plate and a second filtering plate are sequentially arranged in the separating device body from left to right.

Description

Heavy metal contaminated soil drip washing equipment

Technical Field

The application belongs to the technical field of contaminated soil remediation, and particularly relates to heavy metal contaminated soil leaching equipment.

Background

Heavy metal contamination refers to environmental pollution caused by heavy metals or compounds thereof. Mainly caused by human factors such as mining, waste gas discharge, sewage irrigation, use of products with heavy metals exceeding standards and the like. The heavy metal content in the environment increases due to human activities, which exceeds the normal range, directly harms human health, and causes deterioration of environmental quality.

The soil chemical leaching repair technology is widely adopted due to high efficiency and high speed, however, the existing leaching equipment is easy to form dirt on the inner wall when in use, needs to be frequently stopped for cleaning, consumes manpower and material resources and affects the leaching efficiency.

Disclosure of Invention

In order to solve the problems in the prior art, the application provides a heavy metal contaminated soil leaching device, which is realized through the following scheme:

the utility model provides a heavy metal contaminated soil drip washing equipment, is including the stirring device, screening plant, drip washing device and the separator that communicate in proper order, the drip washing device includes the drip washing device body, be equipped with the (mixing) shaft on the drip washing device body, be equipped with stirring vane on the (mixing) shaft, be equipped with the horizontally connecting rod on the (mixing) shaft, the end of connecting rod is equipped with vertical connecting rod, be equipped with the brush on the connecting rod, the drip washing device body is connected with the drip washing case through the medicament inlet tube, the medicament inlet tube stretches into the inside of drip washing device body and is connected with the drip washing pipe, evenly be equipped with aperture or shower nozzle on the drip washing pipe, the separator includes the separator body, the left side bottom of separator body is equipped with the inlet tube, the right side of separator body is equipped with the outlet pipe, this internal overflow board, separator body, A first filter plate and a second filter plate.

Preferably, the overflow plate, the first filter plate and the second filter plate divide the separation device body into a first chamber, a second chamber, a third chamber and a fourth chamber from left to right, and the overflow plate and the first filter plate are vertically arranged.

Preferably, the bottoms of the first chamber, the second chamber and the third chamber are conical, and the bottoms of the first chamber, the second chamber and the third chamber are connected with a sedimentation tank through pipelines.

Preferably, the shower pipe is a horizontal coil pipe.

Preferably, the first filter plate and the second filter plate are arranged obliquely, and the first filter plate and the second filter plate are opposite in inclination direction and complementary in inclination angle.

Preferably, a pressure reducing device is arranged on the right side of the separation device body.

Has the advantages that: firstly, stirring and crushing soil, crushing stones, gravels and rotten plants in the soil, screening large uncrushed particles by a screening device, independently crushing or putting the large uncrushed particles into the stirring and crushing device again for crushing, putting the screened soil into a leaching device for leaching, selectively adding different agents according to different pollutants to transfer pollutants from a soil solid phase to a soil liquid phase, separating and then recovering and treating wastewater containing heavy metals, detecting whether the treated soil meets the discharge standard or not when reaching a sedimentation tank, discharging if the treated soil meets the discharge standard, putting the treated soil into leaching equipment again for leaching again if the treated soil does not meet the discharge standard, and discharging until the treated soil meets the discharge standard; the connecting rod and the hairbrush are arranged on the stirring shaft, so that the inner wall of the leaching equipment can be cleaned in the leaching and stirring process.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic diagram of a structure of a shower pipe according to an embodiment of the present application;

in the figure, 1, a smashing device, 2, a screening device, 3, a separating device, 4, a leaching device body, 5, a stirring shaft, 6, a stirring blade, 7, a connecting rod, 8, a brush connecting rod, 9, a brush, 10, a medicament inlet pipe, 11, a leaching box, 12, a leaching pipe, 13, an inlet pipe, 14, an outlet pipe, 15, an overflow plate, 16, a first filtering plate, 17, a second filtering plate, 18, a sedimentation tank, 19 and a pressure reducing device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below.

Example 1

The heavy metal contaminated soil leaching equipment comprises a stirring device 1, a screening device 2, a leaching device and a separating device 3 which are sequentially communicated, wherein the leaching device comprises a leaching device body 4, a stirring shaft 5 is arranged on the leaching device body, stirring blades 6 are arranged on the stirring shaft, a horizontal connecting rod 7 is arranged on the stirring shaft, a vertical brush connecting rod 8 is arranged at the tail end of the connecting rod, a brush 9 is arranged on the brush connecting rod, the leaching device body is connected with a leaching box 11 through a medicament inlet pipe 10, the medicament inlet pipe 10 extends into the leaching device body 4 and is connected with a leaching pipe 12, small holes or spray heads are uniformly arranged on the leaching pipe 12, the separating device comprises a separating device body, an inlet pipe 13 is arranged at the bottom of the left side of the separating device body, an outlet pipe 14 is arranged at the right side of the separating device body, an overflow plate 15, a first filter plate 16 and a second filter plate 17 are sequentially arranged in the separation device body from left to right.

Example 2

On the basis of the embodiment 1, the overflow plate 15, the first filter plate 16 and the second filter plate 17 divide the separation device body into a chamber I, a chamber II, a chamber III and a chamber IV from left to right, the overflow plate and the first filter plate are vertically arranged, and the top end of the overflow plate is not contacted with the inner wall of the top of the separation device 3.

Example 3

On the basis of the embodiment 2, the bottoms of the first chamber, the second chamber and the third chamber are conical, and the bottoms of the first chamber, the second chamber and the third chamber are all connected with the sedimentation tank 18 through pipelines.

Example 4

On the basis of example 3, the shower pipe 12 is a horizontal coil pipe.

Example 5

On the basis of embodiment 4, the first filter plate and the second filter plate are obliquely arranged, and the first filter plate and the second filter plate are opposite in oblique direction and complementary in oblique angle.

Example 6

In addition to example 5, a pressure reducing device 19 was provided on the right side of the separation device body.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a heavy metal contaminated soil drip washing equipment, its characterized in that, is including the stirring device, screening plant, drip washing device and the separator that communicate in proper order, the drip washing device includes the drip washing device body, be equipped with the (mixing) shaft on the drip washing device body, be equipped with stirring vane on the (mixing) shaft, be equipped with the horizontally connecting rod on the (mixing) shaft, the end of connecting rod is equipped with vertical connecting rod, be equipped with the brush on the connecting rod, the drip washing device body is connected with the drip washing case through the medicament inlet tube, the medicament inlet tube stretches into the inside of drip washing device body and is connected with the drip washing pipe, evenly be equipped with aperture or shower nozzle on the drip washing pipe, separator includes the separator body, the left side bottom of separator body is equipped with the inlet tube, the right side of separator body is equipped with the outlet pipe, this internal overflow board, separator body is equipped with from left side to right side in proper order, A first filter plate and a second filter plate.

2. The heavy metal contaminated soil leaching apparatus according to claim 1, wherein said overflow plate, first filter plate and second filter plate divide the separator body into a chamber one, a chamber two, a chamber three and a chamber four from left to right, said overflow plate and first filter plate being vertically disposed.

3. The heavy metal contaminated soil leaching apparatus according to claim 2, wherein the bottoms of said first, second and third chambers are conical, and the bottoms of said first, second and third chambers are connected to the sedimentation tank through pipes.

4. The heavy metal contaminated soil washing apparatus as claimed in claim 1, wherein said washing pipe is a horizontal coil pipe.

5. The heavy metal contaminated soil leaching apparatus according to claim 3, wherein said first filter plate and said second filter plate are inclined, and the inclination directions of said first filter plate and said second filter plate are opposite and complementary.

6. The heavy metal contaminated soil leaching apparatus according to claim 1, wherein a pressure reducing device is provided on the right side of said separation device body.