Soil leaching test device

Abstract

The utility model discloses a soil leaching test device, which relates to the field of leaching tests, and adopts the technical scheme that the soil leaching test device comprises a reagent bottle, a leaching column and a collecting container, the plurality of reagent bottles are respectively communicated to the inlet end of the leaching column through a first pipeline, and the first pipeline is provided with a peristaltic pump and a first electromagnetic valve; and the outlet end of the leaching column is respectively communicated with each collecting container through a second pipeline. According to the device, liquid can be automatically supplied and a leaching solution can be collected very well, errors caused by manpower are avoided, higher efficiency is achieved, leaching data under different conditions can be simulated through the peristaltic pump, development of scientific research is facilitated, interference of the gravity effect on the leaching effect can be counteracted, and scientificity and reliability of a leaching test are enhanced.

Description

Technical Field

[0001] The utility model relates to the field of leaching test, in particular to a soil leaching test device. Background Art

[0002] Leaching experiment is a very important method for studying soil. During the experiment, it is necessary to control variables such as the flow rate, flow rate and time of the leaching liquid in order to obtain experimental results under different conditions. Current related technologies, such as a soil leaching test device disclosed in a patent document with publication number CN208969092U, require manual changes in various variables. On the one hand, the efficiency of the experiment is too low, and on the other hand, the variable control precision is inaccurate, resulting in the experimental results not obtaining the desired data. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a soil leaching test device, which can automatically supply and collect leached liquid in a timely manner, avoid errors caused by manual labor, and is more efficient. The peristaltic pump can simulate leaching data under different conditions, which is conducive to the development of scientific research, and can offset the interference of gravity on the leaching effect, thereby enhancing the scientificity and reliability of the leaching test.

[0004] The utility model solves the technical problem by adopting the following technical solution: a soil leaching test device, comprising a reagent bottle, a leaching column and a collection container;

[0005] The plurality of reagent bottles are respectively connected to the inlet end of the elution column through a first pipeline, and the first pipeline is provided with a peristaltic pump and a first solenoid valve;

[0006] The outlet end of the elution column is connected to each of the collection containers through a second pipeline.

[0007] When in use, the reagent bottles are connected to the first pipe respectively, then the first solenoid valve of the corresponding reagent bottle is opened, the peristaltic pump is started, and the liquid in the reagent bottle flows into the elution column through the first pipe, enters from the lower end of the elution column, flows out from the upper end of the elution column, and then enters the collection container for collection.

[0008] Preferably, the first pipeline includes a main pipe and several branch pipes, the first end of the main pipe is connected to the first end of each branch pipe, the second end of the main pipe is connected to the leaching column, the second end of each branch pipe is respectively connected to each reagent bottle, and the peristaltic pump is arranged on the main pipe.

[0009] So that liquids in multiple reagent bottles can be pumped by one peristaltic pump.

[0010] Preferably, the first solenoid valve is a multi-port switching valve, the first end of the main pipe is connected to the liquid inlet of the multi-port switching valve, and the first end of each branch pipe is connected to each liquid outlet of the multi-port switching valve. Multiple reagent bottles can be controlled on and off by one solenoid valve.

[0011] Preferably, the leaching column comprises a cylinder, the cylinder comprises a leaching cavity in the middle and buffer cavities at both ends, a filter layer is arranged between the leaching cavity and the buffer cavity, and the two buffer cavities are respectively provided with an inlet end and an outlet end. The filter layer can achieve the effect of filtering and uniform water distribution.

[0012] Preferably, the filter layer is made of several layers of gauze, which can provide better filtration.

[0013] Preferably, the periphery of the gauze is clamped on the inner wall of the cylinder through a circle, so as to facilitate fixing the periphery of the gauze.

[0014] Preferably, the end of the second pipeline is connected to a liquid dispensing tube, the side wall of the liquid dispensing tube is provided with a plurality of liquid outlets, and the liquid outlets are provided with second solenoid valves, so as to automatically control the switching of collection of each collection container.

[0015] Preferably, the liquid dispensing tube is arranged at the top of the collection box, and the liquid outlet nozzle is arranged downward corresponding to each of the collection containers, so as to facilitate the arrangement of the collection containers and achieve a good automatic collection effect.

[0016] Beneficial effects of the utility model:

[0017] It can automatically supply and collect leaching liquid in a timely manner, avoid errors caused by human intervention, and be more efficient. The peristaltic pump can simulate leaching data under different conditions, which is conducive to the development of scientific research and can offset the interference of gravity on the leaching effect, thereby enhancing the scientificity and reliability of the leaching test. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only one of the drawings of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of an embodiment of the utility model;

[0020] Among them, 1. reagent bottle; 2. branch pipe; 3. main pipe; 4. first pipeline; 5. peristaltic pump; 6. elution column; 7. filter layer; 8. second pipeline; 9. liquid dispensing tube; 10. liquid outlet nozzle; 11. second solenoid valve; 12. collection container; 13. first solenoid valve. DETAILED DESCRIPTION

[0021] In order to deepen the understanding of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The embodiments are only used to explain the present invention and do not limit the protection scope of the present invention.

[0022] Example

[0023] like Figure 1 As shown, a soil leaching test device includes a reagent bottle 1, a leaching column 6 and a collecting container 12; several of the reagent bottles 1 are connected to the inlet end of the leaching column 6 through a first pipe 4, and the first pipe 4 is provided with a peristaltic pump 5 and a first solenoid valve 13; the outlet end of the leaching column 6 is connected to each of the collecting containers 12 through a second pipe 8.

[0024] When in use, the reagent bottles 1 are connected to the first pipes 4 respectively, and then the first solenoid valves 13 corresponding to the reagent bottles 1 are opened, and the peristaltic pump 5 is started to allow the liquid in the reagent bottle 1 to flow into the elution column 6 through the first pipe 4, enter from the lower end of the elution column 6, flow out from the upper end of the elution column 6, and then enter into the collection container 12 for collection.

[0025] The first pipeline 4 includes a main pipe 3 and a plurality of branch pipes 2. The first end of the main pipe 3 is connected to the first end of each branch pipe 2. The second end of the main pipe 3 is connected to the leaching column 6. The second end of each branch pipe 2 is respectively connected to each reagent bottle 1. The peristaltic pump 5 is arranged on the main pipe 3.

[0026] Therefore, the liquids in multiple reagent bottles 1 can be pumped by one peristaltic pump 5 .

[0027] The first solenoid valve 13 is a multi-port switching valve, the first end of the main pipe 3 is connected to the liquid inlet of the multi-port switching valve, and the first end of each branch pipe 2 is connected to each liquid outlet of the multi-port switching valve. Multiple reagent bottles 1 can be controlled on and off by one solenoid valve.

[0028] The elution column 6 includes a cylinder, which includes an elution cavity in the middle and buffer cavities at both ends, a filter layer 7 is arranged between the elution cavity and the buffer cavity, and the two buffer cavities are respectively provided with an inlet end and an outlet end. The filter layer 7 can achieve the effect of filtering and uniform water distribution.

[0029] The filter layer 7 uses several layers of gauze, which can provide better filtration.

[0030] The periphery of the gauze is clamped on the inner wall of the cylinder through a circle, so as to facilitate fixing the periphery of the gauze.

[0031] The end of the second pipe 8 is connected to a liquid dispensing pipe 9, and the side wall of the liquid dispensing pipe 9 is provided with a plurality of liquid outlets 10, and the liquid outlets 10 are provided with a second electromagnetic valve 11, so as to automatically control the switching of collection of each collection container 12.

[0032] The liquid dispensing tube 9 is arranged at the top of the collection box, and the liquid outlet nozzle 10 is arranged downwardly corresponding to each of the collection containers 12. The collection container 12 is conveniently arranged, and the automatic collection effect can be well achieved.

[0033] It can automatically supply and collect leaching liquid at the right time, avoid errors caused by manual work, and be more efficient. The peristaltic pump 5 can simulate leaching data under different conditions, which is conducive to the development of scientific research, and can offset the interference of gravity on the leaching effect, thereby enhancing the scientificity and reliability of the leaching test.

[0034] The technical features of the above embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0035] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. A soil leaching test device, characterized in that: It comprises a reagent bottle (1), a leaching column (6) and a collection container (12); The plurality of reagent bottles (1) are respectively connected to the inlet end of the elution column (6) through a first pipeline (4), and the first pipeline (4) is provided with a peristaltic pump (5) and a first electromagnetic valve (13); The outlet end of the leaching column (6) is connected to each of the collection containers (12) through a second pipeline (8).

2. A soil leaching test device according to claim 1, characterized in that: The first pipeline (4) comprises a main pipe (3) and a plurality of branch pipes (2); the first end of the main pipe (3) is connected to the first end of each branch pipe (2); the second end of the main pipe (3) is connected to the leaching column (6); the second end of each branch pipe (2) is respectively connected to each reagent bottle (1); and the peristaltic pump (5) is arranged on the main pipe (3).

3. A soil leaching test device according to claim 2, characterized in that: The first solenoid valve (13) is a multi-port switching valve, the first end of the main pipe (3) is connected to the liquid inlet of the multi-port switching valve, and the first end of each branch pipe (2) is connected to each liquid outlet of the multi-port switching valve.

4. A soil leaching test device according to claim 3, characterized in that: The leaching column (6) comprises a cylinder, the cylinder comprising a leaching cavity in the middle and buffer cavities at both ends, a filter layer (7) is arranged between the leaching cavity and the buffer cavity, and the two buffer cavities are respectively provided with an inlet end and an outlet end.

5. A soil leaching test device according to claim 4, characterized in that: The filter layer (7) is made of several layers of gauze.

6. A soil leaching test device according to claim 5, characterized in that: The periphery of the gauze is clamped on the inner wall of the cylinder through a circle.

7. A soil leaching test device according to claim 1, characterized in that: The end of the second pipeline (8) is connected to a liquid dispensing pipe (9), a side wall of the liquid dispensing pipe (9) is provided with a plurality of liquid outlet nozzles (10), and the liquid outlet nozzles (10) are provided with a second solenoid valve (11).

8. A soil leaching test device according to claim 7, characterized in that: The liquid dispensing tube (9) is arranged at the top of the collection box, and the liquid outlet nozzle (10) is arranged downwardly corresponding to each of the collection containers (12).

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