CN219065466U - Device for simulating leaching of anthracene in soil column - Google Patents

Abstract

The utility model relates to a device for simulating leaching of anthracene in a soil column, wherein a water bottle is arranged at the top of a cylinder cover, and an electric control valve is arranged at the downward output end of the water bottle; the electric control valve is connected with the timer, the hollow bottom opening in the sleeve is used for accommodating soil and anthracene, and the bottom wall of the sleeve is provided with a water filtering hole; a plurality of collecting bottles are arranged in an annular array; the drainage tube is used for guiding liquid flowing out of the drainage hole to the collecting bottle, mixing soil and anthracene in proportion, putting the mixture into the sleeve, and opening or closing water in the water bottle at regular time through the cooperation of the timer and the electric control valve, so that a rainfall simulation event is realized by regularly sprinkling water into the sleeve, and different collecting bottles collect filtrate flowing out of the sleeve at different times; and (3) extracting filtrate in the collecting bottle to measure the concentration of anthracene, thereby realizing leaching amount of anthracene in soil under the condition of simulated rainfall.

Description

Device for simulating leaching of anthracene in soil column

Technical Field

The utility model relates to a device for simulating leaching of anthracene in a soil column, and belongs to the technical field of environment detection.

Background

With the wide application of coal and petroleum in industrial production, transportation and life, polycyclic Aromatic Hydrocarbons (PAHs) have become organic pollutants of common concern in countries around the world; polycyclic aromatic hydrocarbons are compounds with more than two benzene rings connected together, such as naphthalene, anthracene and the like, are hydrocarbon compounds with stronger inertness, are relatively stable due to the stronger inertness, and can be widely applied to the environment, water and soil.

Polycyclic aromatic hydrocarbons are not easily dissolved in water and are easily attached to solid particles, so that most of polycyclic aromatic hydrocarbons in the atmosphere and soil are generally in an adsorbed state.

In order to simulate the leaching amount of anthracene in soil under rainfall conditions, a special simulation experiment device needs to be provided.

Disclosure of Invention

The utility model aims to provide a device for simulating leaching of anthracene in a soil column, so as to solve the problems in the background art.

The technical scheme of the utility model is as follows:

an apparatus for simulating leaching of anthracene in a column, comprising:

the cylinder cover is provided with a water bottle at the top, and an electric control valve is arranged at the downward output end of the water bottle;

the sleeve is arranged below the electric control valve, the electric control valve is connected with the timer, the hollow bottom opening in the sleeve is used for accommodating soil and anthracene, and the bottom wall of the sleeve is provided with a water filtering hole;

the collecting bottles are arranged in an annular array;

and the drainage tube is used for guiding the liquid flowing out of the drainage holes to the collecting bottles and drives one group of collecting bottles aligned to the annular array through the power device.

Preferably, the power device adopts an intermittent motion mechanism.

Preferably, the top of the cylinder cover is provided with an embedded groove, the electric control valve is arranged at the bottom of the cylinder cover and is communicated with the embedded groove, and the downward output end of the water bottle is detachably embedded and matched with the embedded groove.

Preferably, the embedded groove is provided with a thimble upwards, the water bottle comprises a bottle body, a bottle cap and a bottle plug, and the bottle plug drives the opening of the bottle cap to be closed in a normal state through an elastic piece; when the bottle cap is inserted into the matched embedded groove, the thimble pushes away the bottle plug.

Preferably, the bottle body and the bottle cap are detachably connected and matched through threads.

Preferably, a stand is provided, the sleeve is detachably mounted on the stand, and the cylinder cover slides on the stand in a straight line to be close to or far away from the top opening of the sleeve.

The utility model has the following beneficial effects:

mixing soil and anthracene in proportion, putting the mixture into a sleeve, opening or closing water in a water bottle at regular time by matching a timer and an electric control valve, realizing the effect of regularly sprinkling water into the sleeve to simulate a rainfall event, and enabling the collecting bottles to alternately exchange positions at regular time to align with the sleeve, so that different collecting bottles collect filtrate flowing out of the sleeve at different times;

and (3) extracting filtrate in the collecting bottle to measure the concentration of anthracene, thereby realizing leaching amount of anthracene in soil under the condition of simulated rainfall.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a sleeve of the present utility model;

FIG. 3 is a mating cross-sectional view of a water bottle and a cap of the present utility model;

fig. 4 is a schematic view of the internal structure of the bottle cap of the present utility model.

FIG. 5 is a graph of the leaching of anthracene according to the present utility model.

The reference numerals in the drawings are as follows:

1. a vertical seat; 2. a sleeve; 21. a water filtering hole; 3. a cylinder cover; 31. embedding grooves; 32. a thimble; 4. a water bottle; 41. a bottle body; 42. a bottle cap; 43. a bottle stopper; 44. an elastic member; 5. an electric control valve; 6. a power device; 7. a drainage tube; 8. a collection bottle; 9. and (5) a base.

Detailed Description

The utility model will now be described in detail with reference to the drawings and to specific embodiments.

Examples:

the electric control valve 5 can adopt a quantitative valve;

as shown in fig. 1: the vertical seat 1 is vertically and relatively fixed, the base 9 is fixed at the lower end of the vertical seat 1, the upper surface of the base 9 is provided with a plurality of annular array containing grooves, the collecting bottles 8 are arranged in the containing grooves which correspond to each other one by one, the drainage tube 7 is rotationally connected to the side wall of the lower part of the vertical seat 1, the sleeve 2 is detachably hung on the side wall of the middle part of the vertical seat 1, the upper end of the drainage tube 7 is always aligned with the lower end of the sleeve 2, and the lower end of the drainage tube 7 is aligned with one group of collecting bottles 8; the cylinder cover 3 is matched with the top opening of the sleeve 2, and the cylinder cover 3 freely and vertically (in the gravity direction) slides on the vertical seat 1 in a straight line; the water bottle 4 is installed at the top of the cylinder cover 3 with the opening facing downwards, and the electric control valve 5 is installed at the bottom of the cylinder cover 3.

100g of soil and 10mg of anthracene are mixed according to a proportion and then poured into the sleeve 2, the sleeve cover 3 descends under the guidance of the vertical seat 1 to close the top opening of the sleeve 2, so that external moisture can be greatly prevented from entering the sleeve 2; after the time set by the timer (for example, 24 hours), the electric control valve 5 is controlled to be opened by the singlechip/microchip, the electric control valve 5 is used for conveying the quantitative water in the water bottle 4 into the sleeve 2 and then closing the water bottle, and the timer returns to zero and counts time again; meanwhile, the power device 6 is controlled to drive the drainage tube 7 to rotate by a set angle, so that the lower end of the drainage tube 7 is rotationally aligned with the other adjacent group of collection bottles 8;

the filtrate in the sleeve 2 flows out through the water filtering holes 21 at the bottom of the sleeve under the action of gravity and is guided by the drainage tube 7 to be conveyed into one group of collecting bottles 8.

Liquid-liquid extraction is carried out on 10ml of filtrate by using normal hexane, and the anthracene concentration is measured; as shown in fig. 5, the leaching curve of anthracene shows a change rule that the leaching curve is firstly rapidly decreased and then gradually flattened.

The power device 6 can adopt an intermittent motion mechanism, so that the rotation angle of the drainage tube 7 can be accurately controlled.

As shown in fig. 3-4, the water bottle 4 comprises a bottle body 41, a bottle cap 42 and a bottle plug 43, wherein the bottle cap 42 is in threaded connection with an opening of the bottle body 41, and when pure water needs to be added into the bottle body 41, the bottle cap 42 is rotated to realize the opening of the bottle body 41, so that the operation is convenient; then the bottle cap 42 is rotated to close the opening of the bottle body 41 and is connected into a whole; the bottle stopper 43 is connected with the inner side wall of the bottle cap 42 through the elastic piece 44, and the elastic force of the elastic piece 44 drives the bottle stopper 43 to normally close the opening of the bottle cap 42, so that water in the bottle body 41 which is inverted in normal state cannot flow out;

the top of the cylinder cover 3 is provided with an embedded groove 31, the upper edge of the embedded groove 31 is provided with a sealing ring to improve the tightness, the shape of the embedded groove 31 is matched with the shape of the bottle cover 42, and the inner bottom wall of the embedded groove 31 is upwards provided with a thimble 32; when the bottle body 41 is inverted and the bottle cap 42 is inserted into the embedded groove 31, the thimble 32 pushes the bottle plug 43 to move upwards relative to the opening of the bottle cap 42 to open the opening of the bottle cap 42, and the elastic piece 43 generates reverse elastic force;

at this time, the water in the inverted body 41 flows into the fitting groove 31 through the opening of the bottle cap 42, and the water in the fitting groove 31 quantitatively flows into the sleeve 2 when the electric control valve 5 is opened.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. The utility model provides a simulation anthracene is device of leaching in earth pillar which characterized in that: comprising the following steps:

a water bottle (4) is arranged at the top of the cylinder cover (3), and an electric control valve (5) is arranged at the downward output end of the water bottle (4);

the sleeve (2) is arranged below the electric control valve (5), the electric control valve (5) is connected with the timer, the hollow bottom opening in the sleeve (2) is used for accommodating soil and anthracene, and the bottom wall of the sleeve (2) is provided with a water filtering hole (21);

the collecting bottles (8) are arranged in an annular array;

the drainage tube (7), drainage tube (7) are used for guiding the liquid that flows from drainage hole (21) to collecting bottle (8), drainage tube (7) are aimed at annular array's collecting bottle (8) one of them group through power device (6) drive.

2. A device for simulating leaching of anthracene in a column according to claim 1, wherein: the power device (6) adopts an intermittent motion mechanism.

3. A device for simulating leaching of anthracene in a column according to claim 1, wherein: the utility model discloses a water bottle, including cover (3) and water bottle, inlay groove (31) have been seted up at cover (3) top, automatically controlled valve (5) are installed in cover (3) bottom and are inlayed groove (31) intercommunication, water bottle (4) output downwards can dismantle with inlay groove (31) and inlay the cooperation.

4. A device for simulating leaching of anthracene in a column according to claim 3, wherein: the bottle (4) comprises a bottle body (41), a bottle cap (42) and a bottle plug (43), wherein the thimble (32) is arranged upwards in the mosaic groove (31), and the bottle plug (43) drives an opening of the bottle cap (42) under a normal state through an elastic piece (44); when the bottle cap (42) is inserted into the matched embedded groove (31), the thimble (32) pushes away the bottle plug (43).

5. The apparatus for simulating leaching of anthracene in a column of claim 4, wherein: the bottle body (41) and the bottle cap (42) are detachably connected and matched through threads.

6. A device for simulating leaching of anthracene in a column according to claim 1, wherein: the novel barrel cover is provided with a vertical seat (1), the sleeve (2) is detachably arranged on the vertical seat (1), and the barrel cover (3) linearly slides on the vertical seat (1) to be close to or far away from the top opening of the sleeve (2).

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