CN220525461U - Leaching device for evaluating restoring effect of polluted soil - Google Patents

Abstract

The utility model discloses a leaching device for evaluating the restoration effect of polluted soil, which comprises a leaching liquid unit, a mixing unit and a vibrating table; the mixing unit comprises a lower box and an upper cover, wherein the lower box comprises a plurality of leaching units, and the upper cover comprises a central plate, a sealing bulge and a liquid outlet bottle; and filter paper is arranged on one side of the sealing bulge close to the central plate. When the device is used, a soil sample is placed in the leaching unit, leaching liquid is added into the leaching unit, then the mixing unit is closed and placed on the vibrating table, after the mixing unit is vibrated for a preset time, the mixing unit is reversely arranged, and the leaching liquid flows into the liquid outlet bottle. The utility model can facilitate the batch operation of experimenters by integrating a plurality of leaching units, can obviously improve the working efficiency, reduces the working fatigue, has lower cost of the whole equipment and is beneficial to the popularization and application of the equipment.

Description

Leaching device for evaluating restoring effect of polluted soil

Technical Field

The utility model relates to the technical field of soil remediation equipment, in particular to a leaching device for evaluating the remediation effect of contaminated soil.

Background

As soil pollution gets more and more attention, polluted soil restoration is also widely developed in various places, and evaluating restoration effect is a key for ensuring the effectiveness of restoration measures.

In the restoration effect evaluation, the soil component is obtained through chemical leaching, but in order to improve the accuracy of the evaluation, the number of the involved samples is large, for example, the traditional leaching equipment needs experiment personnel to carry out a large number of repeated operations, the working efficiency is low, semi-automatic or robot-based full-automatic equipment is also available at present, but the equipment stability is still problematic, and the cost is high.

Disclosure of Invention

The utility model aims to provide a leaching device for evaluating the remediation effect of contaminated soil, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model provides a leaching device for evaluating the remediation effect of polluted soil, which comprises a leaching liquid unit, a mixing unit and a vibrating table; the mixing unit comprises a lower box and an upper cover, wherein the lower box comprises a plurality of leaching units, and the leaching units are cavities with upper openings; the upper cover comprises a central plate, a sealing bulge and a liquid outlet bottle; the lower side surface of the central plate is provided with a sealing bulge matched with the leaching unit; the filter paper is arranged on one side of the sealing bulge close to the central plate, and through holes are formed in the corresponding central plate area inside the sealing bulge; the sealing bulge is corresponding to the central plate, a liquid outlet bottle screw connection port is arranged on the upper side surface of the central plate, the liquid outlet bottle is of a bottle-shaped structure, a thread structure is arranged at the opening, and the liquid outlet bottle screw connection port is connected to the central plate.

Further, the leaching liquor unit comprises a storage vat and a magnetic stirring device, wherein the storage vat is arranged on the magnetic stirring device; the storage vat comprises a main vat and a discharge vat, the capacity of the main vat is larger than that of the discharge vat, the capacity of the discharge vat meets the requirement of one-time operation use of the mixing unit, the main vat and the discharge vat are arranged in parallel, the bottoms of the main vat and the discharge vat are communicated through a pipeline provided with a valve, and a discharge outlet is formed in the bottom of the discharge vat.

Further, an ultrasonic defoaming device is arranged in the discharge barrel; the discharging barrel is of an opening structure, the main barrel is of a closed device, and a vent hole is formed in a barrel cover of the main barrel.

Further, the lower box is of an integrated structure, is of a cavity structure with an opening at the upper part, and divides a large cavity into a plurality of cavities through the partition plate.

Further, the lower box comprises a lower box frame, a plurality of leaching units and a pressing plate; the lower box frame is of a cavity structure with an opening at the lower part, an outward bulge is arranged at the upper edge of the lower box frame to be matched with the upper cover to realize sealing, and a plurality of through holes are formed in an upper top plate of the lower box frame for placing leaching units; the leaching unit is of a soft bottle-shaped structure with an upper opening, and an outward hard bulge is arranged on the upper edge of the leaching unit so as to be matched with a through hole on an upper top plate of the lower box frame; the size of the pressing plate is smaller than that of the opening below the lower box frame.

The utility model can facilitate the batch operation of experimenters by integrating a plurality of leaching units, can obviously improve the working efficiency, reduces the working fatigue, has lower cost of the whole equipment and is beneficial to the popularization and application of the equipment.

In order to make the concepts and other objects, advantages, features and functions of the present utility model more apparent and understood, a preferred embodiment will be described in detail below with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the overall scheme of the present utility model.

Fig. 2 is a schematic diagram of a mixing unit according to an embodiment of the utility model.

Fig. 3 is an enlarged partial cross-sectional view of the upper cover of the mixing unit of the present utility model.

Fig. 4 is a schematic top view of a mixing unit lower tank of an embodiment of the utility model.

Fig. 5 is a schematic view of a mixing unit lower tank of another embodiment of the utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, the leaching device for evaluating the remediation effect of contaminated soil according to the present utility model comprises a leaching solution unit 1, a mixing unit 2 and a vibrating table 3.

The leaching liquor unit 1 comprises a storage vat 11 and a magnetic stirring device 12, wherein the storage vat 11 is arranged on the magnetic stirring device 12, a large amount of leaching liquor can be ensured to be kept in a uniform state in the operation time through the stirring of the magnetic stirring device 12, and the liquor distribution times are reduced.

The storage vat 11 comprises a main vat 111 and a discharge vat 112, the capacity of the main vat 111 is larger than that of the discharge vat 112, in general, the capacity of the discharge vat 112 meets the requirement of one-time operation of the mixing unit 2, the main vat 111 and the discharge vat 112 are arranged in parallel, the bottoms of the main vat 111 and the discharge vat 112 are communicated through a pipeline 113 provided with a valve, and a discharge port is formed in the bottom of the discharge vat 112.

The ultrasonic defoaming device 1121 is arranged in the discharging barrel 112, so that bubbles generated by the magnetic stirring device 12 can be reduced, the discharging barrel 112 is of an opening structure, the main barrel 111 is of a closed device, and a vent hole can be formed in the barrel cover of the main barrel 111.

When the valve of the pipeline 113 is opened, leaching liquid in the main material barrel 111 flows into the discharging barrel 112, and the valve is closed after the preset dosage is reached.

Because of manual operation, it is difficult to precisely control the amount of inflow, for example, the time for which the leaching solution is placed in the discharge bucket 112 is within a predetermined time, and the leaching solution can be continuously used as the next leaching solution, and if the predetermined time is exceeded, the leaching solution can be discharged through the discharge port.

The magnetic stirring device 12 and the ultrasonic defoaming device 1121 are existing devices, and can be selected according to the applicability of the specific situation, and the placement time of the leaching solution in the discharging barrel 112 is determined according to the components of the leaching solution and the related requirements of the leaching operation.

As shown in fig. 2, 3 and 4, the mixing unit 2 includes a lower tank 21 and an upper cover 22, the lower tank 21 includes a plurality of leaching units 211, and the leaching units 211 are cavities with openings at the upper part, which can be 6 as shown in fig. 4 or other quantities.

As shown in fig. 2 and 3, the upper cover 22 includes a central plate 220, a sealing protrusion 221, and a liquid outlet bottle 223.

The lower side of the central plate 220 is provided with a sealing protrusion 221 matched with the leaching unit 211, the sealing protrusion 221 has a tubular structure, and the upper side of the sealing protrusion is connected with the lower side of the central plate 220. After the lower case 21 and the upper cover 22 are pressed up and down, the sealing protrusion 221 closes the upper opening of the leaching unit 211.

The filter paper 224 is disposed on one side of the sealing protrusion 22 near the central plate 220, and a through hole is disposed in the sealing protrusion 22 in the corresponding central plate 220 region. The filter paper 224 can be detachably fixed by the pressing ring 2241

The upper side of the central plate 220 corresponding to the sealing protrusion 22 is provided with a screw connection port 2201 for a liquid bottle, the liquid bottle 223 has a bottle-shaped structure, and the opening is provided with a screw structure, and the screw connection port 2201 for a liquid bottle is connected to the central plate 220.

In use, a soil sample is placed into the leaching unit 211, then leaching liquid is added into the leaching unit 211, then the mixing unit 2 is closed and placed on the vibrating table 3, after vibrating for a preset time, the mixing unit 2 is reversely arranged, and the leaching liquid flows into the liquid outlet bottle 223 through the filter paper 224 and the through hole of the central plate 220.

The vibrating table 3 is an existing device, and can be selected according to the applicability of the specific situation.

Furthermore, the soil sample can be placed in the filter bag, so that the operation of experimental personnel can be facilitated.

As shown in fig. 2, the lower case 21 may be an integrally formed structure, and in particular, a large cavity is divided into a plurality of cavities by a partition plate in a large cavity structure.

As shown in fig. 5, the lower tank 21 further improves the filtering efficiency, and includes a lower tank frame 210, a plurality of leaching units 211, and a pressing plate 213.

The lower tank frame 210 is a cavity structure with an opening at the lower side, an outward protrusion is provided at the upper edge to cooperate with the upper cover 22 to realize sealing, and a plurality of through holes are provided on the upper top plate of the lower tank frame 210 for placing the leaching units 211.

The leaching unit 211 is a soft bottle-shaped structure with an upper opening, and an outward hard bulge is arranged on the upper edge so as to be matched with a through hole on the upper top plate of the lower box frame 210.

The size of the pressing plate 213 is smaller than the size of the opening below the lower frame 210, and when filtering, the pressing plate 213 is placed to the opening below the lower frame 210, so that the simple filter pressing is realized by pressing the leaching unit 211 downwards, and the filtering efficiency can be improved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that, unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims (5)

1. The leaching device for evaluating the remediation effect of the polluted soil is characterized by comprising a leaching liquid unit, a mixing unit and a vibrating table; the mixing unit comprises a lower box and an upper cover, wherein the lower box comprises a plurality of leaching units, and the leaching units are cavities with upper openings; the upper cover comprises a central plate, a sealing bulge and a liquid outlet bottle; the lower side surface of the central plate is provided with a sealing bulge matched with the leaching unit; the filter paper is arranged on one side of the sealing bulge close to the central plate, and through holes are formed in the corresponding central plate area inside the sealing bulge; the sealing bulge is corresponding to the central plate, a liquid outlet bottle screw connection port is arranged on the upper side surface of the central plate, the liquid outlet bottle is of a bottle-shaped structure, a thread structure is arranged at the opening, and the liquid outlet bottle screw connection port is connected to the central plate.

2. The leaching device for evaluating the remediation effect of contaminated soil according to claim 1, wherein the leaching solution unit comprises a storage vat and a magnetic stirring device, and the storage vat is placed on the magnetic stirring device; the storage vat comprises a main vat and a discharging vat, the capacity of the main vat is larger than that of the discharging vat, the main vat and the discharging vat are arranged in parallel, the bottoms of the main vat and the discharging vat are communicated through a pipeline provided with a valve, and a discharging hole is formed in the bottom of the discharging vat.

3. The leaching device for evaluating the remediation effect of the polluted soil according to claim 2, wherein an ultrasonic defoaming device is arranged in the discharge barrel; the discharging barrel is of an opening structure, the main barrel is of a closed device, and a vent hole is formed in a barrel cover of the main barrel.

4. The leaching device for evaluating the remediation effect of contaminated soil according to claim 1, wherein the lower tank is of an integrally formed structure, is of a cavity structure with an upper opening, and is divided into a plurality of cavities by a partition plate.

5. The leaching device for evaluating the remediation effect of contaminated soil according to claim 1, wherein the lower tank comprises a lower tank frame, a plurality of leaching units and a pressing plate; the lower box frame is of a cavity structure with an opening at the lower part, an outward bulge is arranged at the upper edge of the lower box frame to be matched with the upper cover to realize sealing, and a plurality of through holes are formed in an upper top plate of the lower box frame for placing leaching units; the leaching unit is of a soft bottle-shaped structure with an upper opening, and an outward hard bulge is arranged on the upper edge of the leaching unit so as to be matched with a through hole on an upper top plate of the lower box frame; the size of the pressing plate is smaller than that of the opening below the lower box frame.