Secondary screening vehicle for ectopic soil leaching, remediation and precipitation

By incorporating a spray nozzle cleaning and sedimentation mechanism on the surface of a wet vibrating screen, the problem of mud coagulation and blockage is solved, enabling efficient screening and rapid solid-liquid separation in ex-situ soil leaching and remediation equipment.

CN223684175UActive Publication Date: 2025-12-19QIANHE ENVIRONMENTAL TECH (SHANDONG) CO LTD
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Patent Information

Application Number
CN202423225172.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-19
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

In existing ex-situ soil leaching and remediation sedimentation screening machines, the slurry tends to solidify in the filter holes of the wet vibrating screen after screening, causing blockage and affecting the subsequent screening effect.

Method used

Spray nozzles are installed on the surface of the wet vibrating screen, and water is sprayed onto the screen through the pump body to clean the mud and prevent solidification. Combined with the sedimentation mechanism and flocculant, the sedimentation of soil particles is accelerated.

Benefits of technology

It effectively prevents wet vibrating screens from clogging, ensures normal screening, and accelerates solid-liquid separation through flocculants, shortening the repair cycle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ex-situ soil leaching remediation, and discloses a precipitation secondary screening vehicle for ex-situ soil leaching remediation, which comprises a precipitation secondary screening vehicle main body, a precipitation mechanism is arranged in the precipitation secondary screening vehicle main body, and a screening mechanism is arranged on the right side of the precipitation mechanism. The screening mechanism comprises a wet-type vibrating screen, the wet-type vibrating screen is arranged at the bottom of the cyclone and fixedly connected to the right side of the precipitation secondary screening vehicle body, supporting frames are fixedly connected to the two sides of the surface of the wet-type vibrating screen, connecting pipes are fixedly connected into the supporting frames, and the two ends of each connecting pipe are fixedly connected with fixing pipes; and the bottoms of the fixed pipes are fixedly connected with spray heads. The wet-type vibrating screen cleaning device is used for an ex-situ soil leaching, repairing and precipitating secondary screening vehicle, a screen on the surface of a wet-type vibrating screen can be cleaned, the phenomenon that the screen is blocked due to slurry solidification is avoided, and normal use of the wet-type vibrating screen is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ex situ soil leaching repair technical field, concretely is a kind of for ex situ soil leaching repair sedimentation two screening car. BACKGROUND

[0002] Ex situ soil leaching repair sedimentation two screening car is a kind of high-efficiency equipment specially designed and developed for contaminated soil repair.It integrates various advanced technologies and processes, can carry out secondary screening and sedimentation separation to soil after preliminary leaching treatment, further remove pollutants in soil, improve soil repair quality, so that it reaches the standard of reusable or safe disposal.

[0003] The surface of the wet vibrating screen does not have a structure for washing the mud after screening the mud in the existing ex situ soil leaching repair sedimentation two screening car, which leads to the mud being easily solidified in the filter hole, causing the wet vibrating screen to be blocked, which is not conducive to subsequent screening of the mud and has defects. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of for ex situ soil leaching repair sedimentation two screening car to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of for ex situ soil leaching repair sedimentation two screening car, including sedimentation two screening car main body, the sedimentation mechanism is arranged in the sedimentation two screening car main body, the screening mechanism is arranged in the right side of the sedimentation mechanism.

[0006] The screening mechanism includes a wet vibrating screen, which is arranged at the bottom of a cyclone, and is fixedly connected to the right side of the sedimentation two screening car main body, and the surface of the wet vibrating screen is fixedly connected with a support frame on both sides, and the support frame is fixedly connected with a connecting pipe inside, and the connecting pipe is fixedly connected with a fixed pipe at both ends, and the fixed pipe is fixedly connected with a spray head at the bottom.

[0007] Preferably, the number of spray heads is several, and the several spray heads are distributed at equal intervals, so that the purpose of washing the mud can be achieved.

[0008] Preferably, the fixed pipe is fixedly connected with a second conveying pipe on both sides, and the pump body is fixedly connected between the two second conveying pipes, and the pump body is fixedly connected to the top of the wet vibrating screen, so that the water in the box can be sprayed out from the spray head through the first conveying pipe, the second conveying pipe, the connecting pipe and the fixed pipe under the action of the pump body.

[0009] Preferably, the sedimentation mechanism comprises a first sedimentation stirring tank, a second sedimentation stirring tank is arranged at the right side of the first sedimentation stirring tank, a third sedimentation stirring tank is arranged at the side, away from the first sedimentation stirring tank, of the second sedimentation stirring tank, a fourth sedimentation stirring tank is arranged at the side, away from the second sedimentation stirring tank, of the third sedimentation stirring tank, a slurry conveying pipe is inserted into the fourth sedimentation stirring tank, and a cyclone is arranged at the bottom of the slurry conveying pipe.

[0010] Preferably, the slurry conveying pipe is designed in a "U" shape, and the slurry conveying pipe is inserted into the cyclone.

[0011] Preferably, the second sedimentation stirring tank is arranged between the first sedimentation stirring tank and the third sedimentation stirring tank, and the third sedimentation stirring tank is arranged between the second sedimentation stirring tank and the fourth sedimentation stirring tank.

[0012] Compared with the prior art, the utility model provides a kind of for ectopic soil leaching repair sedimentation two screen vehicles, with following beneficial effects:

[0013] 1、The for ectopic soil leaching repair sedimentation two screen vehicles, by being arranged screening mechanism, can the screen surface of wet vibrating screen be cleaned, avoid the phenomenon that slurry solidification appears and blocks screen, ensure the normal use of wet vibrating screen.

[0014] 2、The for ectopic soil leaching repair sedimentation two screen vehicles, by being arranged sedimentation mechanism, sedimentation separation system combines guide device and flocculating agent adding technique, can accelerate the sedimentation of soil particles. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment description will be simply introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor:

[0016] Figure 1 It is the whole schematic view of the structure of the utility model;

[0017] Figure 2 The utility model discloses a screening mechanism schematic view;

[0018] Figure 3 The utility model discloses a screening mechanism oblique view schematic view;

[0019] Figure 4 The utility model discloses a screening mechanism partial structure schematic view.

[0020] In the drawing: 1, the sedimentation two screen car main part, 2, the sedimentation mechanism, 21, the first sedimentation stirring pool, 22, the second sedimentation stirring pool, 23, the third sedimentation stirring pool, 24, the fourth sedimentation stirring pool, 25, the slurry protection conveying pipe, 26, the cyclone, 3, the screening mechanism, 31, the support frame, 32, the connecting pipe, 33, the pump body, 34, the first conveying pipe, 35, the box, 36, the second conveying pipe, 37, the shower head, 38, the fixed pipe, 39, the wet vibrating screen. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] The utility model provides a technical scheme:

[0023] Embodiment one:

[0024] Combination Figures 1 to 2 -4, a kind of for ectopic soil leaching repair sedimentation two screen car, including sedimentation two screen car main part 1, sedimentation two screen car main part 1 inside is provided with sedimentation mechanism 2, sedimentation mechanism 2 right side is provided with screening mechanism 3.

[0025] Screening mechanism 3 includes wet vibrating screen 39, wet vibrating screen 39 is set to cyclone 26 bottom, wet vibrating screen 39 is fixedly connected to the right side of sedimentation two screen car main part 1, and the surface both sides of wet vibrating screen 39 are fixedly connected with support frame 31, support frame 31 is fixedly connected with connecting pipe 32 in, and the both ends of connecting pipe 32 are fixedly connected with fixed pipe 38, and the bottom of fixed pipe 38 is fixedly connected with shower head 37.

[0026] Further, the number of shower head 37 is set to several, and several shower heads 37 are distributed at equal intervals, and the purpose of mud washing can be realized by the set shower head 37.

[0027] Further, the fixed pipe 38 is fixedly connected with a second conveying pipe on both sides, and the pump body 33 is fixedly connected between the two second conveying pipes 36. The pump body 33 is fixedly connected to the top of the wet vibrating screen 39. Under the action of the pump body 33, the water in the box body 35 can be sprayed out from the nozzle 37 through the first conveying pipe 34, the second conveying pipe 36, the connecting pipe 32 and the fixed pipe 38.

[0028] Embodiment two:

[0029] Referring to Figure 1 On the basis of embodiment one, the precipitation mechanism 2 further comprises a first precipitation stirring tank 21, a second precipitation stirring tank 22 arranged on the right side of the first precipitation stirring tank 21, a third precipitation stirring tank 23 arranged on the side of the second precipitation stirring tank 22 away from the first precipitation stirring tank 21, and a fourth precipitation stirring tank 24 arranged on the side of the third precipitation stirring tank 23 away from the second precipitation stirring tank 22. A slurry conveying pipe is inserted into the fourth precipitation stirring tank 24. A cyclone 26 is arranged at the bottom of the slurry conveying pipe. The slurry is conveyed to the third precipitation stirring tank 23. The mixing condition is monitored in the third precipitation stirring tank 23. The amount of medicament is increased in time to ensure that the pollutants are separated from the soil.

[0030] Further, the slurry conveying pipe 25 is designed in a "U" shape. The slurry conveying pipe is inserted into the cyclone 26. The slurry conveying pipe is arranged to achieve the purpose of conveying the slurry.

[0031] Further, the second precipitation stirring tank 22 is arranged between the first precipitation stirring tank 21 and the third precipitation stirring tank 23. The third precipitation stirring tank 23 is arranged between the second precipitation stirring tank 22 and the fourth precipitation stirring tank 24.

[0032] The process flow of the precipitation two-screen vehicle process flow is as follows: the slurry is conveyed to the third precipitation stirring tank 23. The mixing condition is monitored in the third precipitation stirring tank 23. The amount of medicament is increased in time to ensure that the pollutants are separated from the soil and transferred to water. The preliminary precipitation slurry is conveyed to the fourth precipitation stirring tank 24. The suspension is conveyed to the second precipitation stirring tank 22. After the slurry is precipitated in the second precipitation stirring tank 22, the supernatant is pumped out to the first precipitation stirring tank 21. After treatment, the slurry is conveyed to the slurry conveying pipe 25 and the dosing device. The slurry in the fourth precipitation stirring tank 24 is conveyed to the wet vibrating screen 39 through the slurry conveying pipe and the cyclone 26. The slurry with a particle size of less than 2 mm enters the next link to realize one process of the precipitation two-screen vehicle.

[0033] When the wet vibrating screen 39 is finished, in order to avoid the mud from adhering to the screen surface of the wet vibrating screen 39, the pump body 33 is started, and under the action of the pump body 33, the water in the box body 35 can be sprayed out from the nozzle 37 through the first conveying pipe 34, the second conveying pipe 36, the connecting pipe 32 and the fixed pipe 38, so as to clean the screen surface of the wet vibrating screen 39, avoid the mud from solidifying and blocking the screen, and ensure the normal use of the wet vibrating screen 39.

[0034] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A mobile ex situ soil leaching remediation sediment two-sieve vehicle, comprising a sediment two-sieve vehicle body (1), characterized in that: The sedimentation mechanism (2) is arranged in the sedimentation two-screen vehicle body (1), and the screening mechanism (3) is arranged on the right side of the sedimentation mechanism (2); The screening mechanism (3) comprises a wet vibrating screen (39), the wet vibrating screen (39) is arranged at the bottom of the cyclone (26), the wet vibrating screen (39) is fixedly connected to the right side of the sedimentation two-screen vehicle body (1), support frames (31) are fixedly connected to the surface of the wet vibrating screen (39) on both sides, connecting pipes (32) are fixedly connected in the support frames (31), fixed pipes (38) are fixedly connected to both ends of the connecting pipes (32), and nozzles (37) are fixedly connected to the bottom of the fixed pipes (38).

2. A two-sieve car for ex-situ soil leaching remediation sedimentation according to claim 1, characterized in that: The number of the nozzles (37) is several, and the several nozzles (37) are distributed at equal intervals.

3. The two-screen car for ex-situ soil leaching remediation sedimentation according to claim 1, characterized in that: Second conveying pipes are fixedly connected to the left and right sides of the fixed pipes (38) on the right side, a pump body (33) is fixedly connected between the two second conveying pipes (36), and the pump body (33) is fixedly connected to the top of the wet vibrating screen (39).

4. The use of a settling two-sieve car for ex-situ soil leaching remediation according to claim 1, characterized in that: The sedimentation mechanism (2) comprises a first sedimentation stirring tank (21), a second sedimentation stirring tank (22) is arranged on the right side of the first sedimentation stirring tank (21), a third sedimentation stirring tank (23) is arranged on the side, away from the first sedimentation stirring tank (21), of the second sedimentation stirring tank (22), a fourth sedimentation stirring tank (24) is arranged on the side, away from the second sedimentation stirring tank (22), of the third sedimentation stirring tank (23), a slurry conveying pipe is inserted into the fourth sedimentation stirring tank (24), and a cyclone (26) is arranged at the bottom of the slurry conveying pipe.

5. A two screen car for ex situ soil washing remediation sedimentation according to claim 4, characterized in that: The slurry conveying pipe (25) is designed in a "U" shape, and the slurry conveying pipe is inserted into the cyclone (26).

6. A two screen car for ex situ soil washing remediation leachate settlement according to claim 4, characterized in that: The second sedimentation stirring tank (22) is arranged between the first sedimentation stirring tank (21) and the third sedimentation stirring tank (23), and the third sedimentation stirring tank (23) is arranged between the second sedimentation stirring tank (22) and the fourth sedimentation stirring tank (24).