A soil remediation leaching tank

Abstract

The utility model discloses a kind of soil remediation is washed with washing tank including base subassembly, mixed liquid tank body subassembly, upper cover;The mixed liquid tank body subassembly includes tank body, tank body bottom is provided with liquid outlet, mud outlet;The upper cover upper portion is provided with opening;The base subassembly includes base, vibration motor unit, several connecting springs, upper seat, the upper seat is set in mixed liquid tank body subassembly bottom outer side, the vibration motor unit is fixed in mixed liquid tank body subassembly bottom center, and the upper seat is connected to base by several connecting springs connection.This utility model is washed with vibration type and realizes the full mixing of washing liquid and soil, can reach good treatment effect under the condition of less washing liquid addition, realize washing wastewater reduction, can effectively improve the economy of overall processing, cement separation component is set simultaneously in tank body liquid outlet, can realize cement separation when discharging, reduce the mud content in wastewater, reduce the requirement for precipitation in wastewater treatment.

Description

Technical Field

[0001] This utility model relates to the field of soil remediation technology, specifically to a rinsing tank for soil remediation. Background Technology

[0002] Soil leaching remediation is a technology that removes pollutants by injecting or adding a leaching solution into contaminated soil. The solution utilizes desorption, chelation, and dissolution to transfer pollutants into the liquid phase. Soil leaching remediation technology is highly efficient, rapid, and flexible, and it performs particularly well in treating heavy metal pollution.

[0003] The rinsing remediation process generates a large amount of rinsing wastewater, which needs to be treated before it can be discharged or reused. If the wastewater volume is large, the wastewater treatment cost will be high. In addition, the wastewater contains a large number of soil particles, which need to be settled before treatment. Currently, sedimentation tanks are set up on-site for sedimentation treatment, which is a long process and occupies a large area. Summary of the Invention

[0004] The purpose of this invention is to provide a rinsing tank for soil remediation to solve the problems existing in the prior art.

[0005] To achieve the above objectives, the present invention provides a soil remediation rinsing tank, comprising a base assembly, a mixing tank assembly, and a top cover; the mixing tank assembly includes a tank body, with a liquid outlet and a sludge outlet at the bottom of the tank body; the top cover has an opening at its upper part; the base assembly includes a base, a vibration motor unit, several connecting springs, and an upper seat, the upper seat being disposed on the outer side of the bottom of the mixing tank assembly, the vibration motor unit being fixed to the center of the bottom of the mixing tank assembly, and the upper seat being connected to the base via several connecting springs.

[0006] Preferably, the mixing tank assembly further includes a wear-resistant liner, which is disposed on the inner wall of the tank, and the inner wall of the wear-resistant liner is provided with a plurality of axial protrusions.

[0007] Preferably, a protrusion is provided in the center of the tank body and the wear-resistant inner lining.

[0008] Preferably, the upper cover includes a cover body and a soil inlet ring; the cover body has a through hole in the center, the soil inlet ring is located at the through hole, and a necked section is provided at the connection between the soil inlet ring and the through hole.

[0009] Preferably, the base includes a central cylinder, a bottom ring plate, and a spring connecting ring plate. The bottom ring plate and the spring connecting ring plate are fixed to the bottom and top of the central cylinder, respectively. The spring connecting ring plate is fixed to the top of the central cylinder at the center in the radial direction, and a connecting spring is fixed to the center of the spring connecting ring plate in the radial direction. The spring connecting ring plate has multiple protrusions, and the connecting spring is sleeved on the outside of the protrusions and fixed to the bottom of the spring connecting ring plate.

[0010] Preferably, the upper seat includes an upper seat base plate, several connecting fins, and a safety cylinder. The connecting fins are arranged in an array on the upper seat base plate and fixed to the tank body at the top. The upper seat base plate is connected to a spring connecting ring plate on the upper part of the central cylinder by several connecting springs. An outer plate is provided at the edge of the upper seat base plate, and the connecting springs are located inside the outer plate. The top of the safety cylinder passes through the upper seat base plate and is fixedly connected to the outer wall of the tank body, while the lower part extends into the central cylinder. An outwardly limiting ring is provided at the bottom, and the vibration motor unit is located in the center of the safety cylinder. The outer diameter of the safety cylinder is smaller than the diameter of the central through hole of the spring connecting ring plate, and the outer diameter of the limiting ring is larger than the diameter of the central through hole.

[0011] Preferably, the washing tank further includes a cement separation component, which includes a temporary storage tank and a cement hydrocyclone separator. The temporary storage tank is connected to the liquid outlet, the cement hydrocyclone separator is provided at the top, and the sludge outlet is provided at the bottom.

[0012] This utility model proposes a soil remediation rinsing tank, which uses vibration to achieve thorough mixing of rinsing solution and soil. It can achieve good treatment results with less rinsing solution added, reduce the amount of rinsing wastewater, and effectively improve the overall economic efficiency of the treatment. At the same time, a cement separation component is set at the tank's drain port to separate cement during liquid discharge, reduce the mud content in the wastewater, and lower the sedimentation requirements in wastewater treatment. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall design of this utility model.

[0014] Figure 2 This is a partially enlarged schematic diagram of the mixing tank assembly of this utility model.

[0015] Figure 3 This is a partially enlarged schematic diagram of the base component area of ​​this utility model.

[0016] Figure 4 This is a partial cross-sectional schematic diagram of the base component area of ​​this utility model. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] As attached Figure 1-4 As shown, the soil remediation rinsing tank involved in this utility model includes a base assembly 1, a mixing tank assembly 2, a top cover 3, and a cement separation assembly 4.

[0019] The mixing tank assembly 2 includes a tank body 21 and a wear-resistant inner liner 22. The tank body 21 is open at the top, and the top cover 3 is disposed at the opening of the tank body 21.

[0020] A liquid outlet 211 and a mud outlet 212 are provided at the bottom of the tank body 21.

[0021] As attached Figure 2 As shown, the wear-resistant liner 22 is installed on the inner wall of the tank body 21 and is made of polyurethane material. Multiple axial raised strips 221 are provided on its inner wall to improve its wear resistance. To prevent soil or cement mixture from accumulating at the bottom of the tank body 21, a raised section t is provided at the center of the bottom of both the tank body 21 and the wear-resistant liner 22.

[0022] The upper part of the cover 3 is provided with an opening for putting in soil and leachate.

[0023] More specifically, as shown in the appendix Figure 1 As shown, the upper cover 3 includes a cover body 31 and a soil inlet ring 32. A through hole is provided in the center of the cover body 31, and the soil inlet ring 32 is located at the through hole. A necked section is provided at the connection between the soil inlet ring 32 and the through hole. The soil inlet ring 32 allows for easy soil intake via a conveyor belt or excavator.

[0024] As attached Figure 3 , 4 As shown, the base assembly 1 includes a base 11, a vibration motor unit 12, several connecting springs 13, and an upper seat 14. The upper seat 14 is disposed on the outer side of the bottom of the mixing tank assembly 2. The vibration motor unit 12 is fixed to the center of the bottom of the mixing tank assembly 2. The upper seat 14 is connected to the base 11 through several connecting springs 13.

[0025] The base 11 and upper seat 14 have openings in their centers. The base 11 includes a central cylinder 111, a bottom ring plate 112, and a spring connecting ring plate 113. The bottom ring plate 112 and the spring connecting ring plate 113 are welded and fixed to the bottom and top of the central cylinder 111, respectively. The spring connecting ring plate 113 is fixed to the upper part of the central cylinder 111 at the center of the radial direction, and the connecting spring 13 is fixed to the center of the spring connecting ring plate 113 in the radial direction. In this way, the central cylinder 111 can provide good support for the spring. Specifically, multiple protrusions t2 are provided on the spring connecting ring plate 113, and the connecting spring 13 is sleeved on the outside of the protrusions t2, and the bottom is fixed by welding.

[0026] The upper seat 14 includes an upper seat base plate 140 and a plurality of connecting fins 142. The connecting fins 142 are arranged in an array on the upper seat base plate 140, and the upper part is fixed to the tank body 21 by welding.

[0027] The upper base plate 140 of the upper seat 14 is provided on the spring connecting ring plate 113 above the central cylinder 111 by a number of connecting springs 13. In the attached figure, an outer plate 144 is provided at the edge of the upper base plate 140, and the connecting springs 13 are located inside the outer plate 144, which plays a certain role in safety protection.

[0028] Furthermore, the upper seat 14 is equipped with a safety cylinder 143. The top of the safety cylinder 143 passes through the upper seat base plate 140 and is fixedly connected to the outer wall of the tank body 21. The lower part extends into the through hole of the base 11, specifically as the central cylinder 111. An outward limiting ring 1431 is provided at the bottom to prevent the upper seat from detaching from the base. The vibration motor unit 12 is located in the center of the safety cylinder 143. The outer diameter of the safety cylinder 143 is smaller than the diameter of the central through hole of the spring connecting ring plate 113, and the outer diameter of the limiting ring 1431 is larger than the diameter of the central through hole.

[0029] The cement separation component 4 includes a temporary storage tank 41 and a cement hydrocyclone separator 42. The temporary storage tank 41 is connected to the outlet 211, and the cement hydrocyclone separator 42 is located at the top. A closable sludge outlet is located at the bottom. After rinsing, the outlet 211 is opened, and the rinsing wastewater enters the temporary storage tank 41. As the water level in the temporary storage tank 41 rises to the top, the wastewater enters the cement hydrocyclone separator 42. Through swirling action, the cement in the wastewater is separated, with the wastewater containing more sludge and the wastewater containing less sludge flowing to different storage tanks for further treatment.

[0030] The vibratory motor unit 12 includes a motor and a polarizer. The vibratory motor unit 12 and the cement hydrocyclone separator 42 are commercially available products.

[0031] This rinsing tank is suitable for soil remediation with severe heavy metal pollution. The rinsing process uses multiple liquid injections, resulting in a small overall volume of rinsing liquid. After mixing, the mud-to-water volume ratio is approximately 1:(2-4). Due to the low water content, compared to stirring, the vibration method of this application makes it easier to achieve thorough mixing of soil and rinsing liquid, and also facilitates subsequent mud-to-water separation.

[0032] It should be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

Claims

1. A soil remediation rinsing tank, characterized in that, The system includes a base assembly, a mixing tank assembly, and a top cover. The mixing tank assembly includes a tank body with a liquid outlet and a sludge outlet at the bottom. The top cover has an opening at the top. The base assembly includes a base, a vibration motor unit, several connecting springs, and an upper seat. The upper seat is located on the outer side of the bottom of the mixing tank assembly, the vibration motor unit is fixed to the center of the bottom of the mixing tank assembly, and the upper seat is connected to the base by several connecting springs.

2. The soil remediation rinsing tank according to claim 1, characterized in that, The mixing tank assembly also includes a wear-resistant liner, which is disposed on the inner wall of the tank, and has multiple axial protrusions on its inner wall.

3. The soil remediation rinsing tank according to claim 2, characterized in that, A protrusion is provided in the center of the tank body and the wear-resistant inner lining.

4. The soil remediation rinsing tank according to claim 1, characterized in that, The cover includes a cover body and a soil inlet ring; a through hole is provided in the center of the cover body, the soil inlet ring is located at the through hole, and a necked section is provided at the connection between the soil inlet ring and the through hole.

5. The soil remediation rinsing tank according to claim 1, characterized in that, The base includes a central cylinder, a bottom ring plate, and a spring connecting ring plate. The bottom ring plate and the spring connecting ring plate are fixed to the bottom and top of the central cylinder, respectively. The spring connecting ring plate is fixed to the top of the central cylinder at the center in the radial direction, and the connecting spring is fixed to the center of the spring connecting ring plate in the radial direction. The spring connecting ring plate has multiple protrusions, and the connecting spring is sleeved on the outside of the protrusions and fixed to the bottom of the spring connecting ring plate.

6. The soil remediation rinsing tank according to claim 5, characterized in that, The upper seat includes an upper seat base plate, several connecting fins, and a safety cylinder. The connecting fin array is arranged on the upper seat base plate and is fixed to the tank body at the top. The upper seat base plate of the upper seat is set on a spring connecting ring plate on the upper part of the central cylinder through several connecting springs. An outer plate is provided at the edge of the upper seat base plate, and the connecting springs are located inside the outer plate. The top of the safety cylinder passes through the upper seat base plate and is fixedly connected to the outer wall of the tank body. The bottom extends into the central cylinder, and an outward limiting ring is provided at the bottom. The vibration motor unit is located in the center of the safety cylinder. The outer diameter of the safety cylinder is smaller than the diameter of the central through hole of the spring connecting ring plate, and the outer diameter of the limiting ring is larger than the diameter of the central through hole.

7. The soil remediation rinsing tank according to claim 1, characterized in that, The washing tank also includes a cement separation component, which includes a temporary storage tank and a cement hydrocyclone separator. The temporary storage tank is connected to the liquid outlet, and the cement hydrocyclone separator is provided at the top and the sludge outlet is provided at the bottom.

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