CN211978356U

CN211978356U - A quick extraction element for semi-volatile organic compounds in soil

Info

Publication number: CN211978356U
Application number: CN201922372190.0U
Authority: CN
Inventors: 胡晓玲; 刘丽; 黄炼; 邵金平
Original assignee: Wuhan Zondy Testing Technology Co ltd
Current assignee: Wuhan Zondy Testing Technology Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-11-20
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a quick extraction device for semi-volatile organic compounds in soil, which comprises a base, an extraction box, a stirring component and a driving motor; the extraction box is fixed on the base so as to be suspended, the extraction box is provided with an inner cavity which is cylindrical and extends along the left-right direction, a heater is arranged in the extraction box, a discharge hole penetrates through the bottom of the extraction box, a double-layer screen is arranged at the discharge hole, filter paper is arranged between the double-layer screen, a cover plate is detachably and hermetically arranged at the feed hole, and a through hole penetrates through the center of the right side plate of the extraction box; the stirring subassembly includes rotation axis, a plurality of stirring blade and scrapes the flitch, and driving motor drive rotation axis axial rotation, a plurality of stirring blade along the radial extension of rotation axis and mutual parallel arrangement scrape the flitch and to extending about along, are fixed in the one end that a plurality of stirring blade kept away from the rotation axis, scrape the flitch and draw incasement lateral wall looks butt. The utility model provides a technical scheme's beneficial effect is: the extraction efficiency of organic matters in the soil is improved, and the experimental time is reduced.

Description

A quick extraction element for semi-volatile organic compounds in soil

Technical Field

The utility model relates to an organic matter draws technical field, especially relates to a quick extraction element for semi-volatile organic matter in soil.

Background

The soil is an organic-inorganic complex comprising a plurality of colloids, organic compounds, voids and the like; these organic-inorganic composite materials adsorb and fix a large number of organic substances. The extraction is in order to make organic matter draw from these organic inorganic complex bodies, and traditional extraction mode at present, because of soil is whole cubic, and thickness is too close, the extractant can only contact all soils completely through a period of time, and can't make soil obtain effectual soaking to the time of experiment has been prolonged, has reduced the extraction effect.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a quick extraction element for semi-volatile organic compounds in soil aims at improving the extraction efficiency of organic compounds in soil, reduces the experimental time.

The embodiment of the utility model provides a quick extraction element for semi-volatile organic compounds in soil, which comprises a base, an extraction box, a stirring component and a driving motor;

the extraction box is fixed on the base so as to be arranged in a suspended mode, the extraction box is provided with an inner cavity which is cylindrical and extends in the left-right direction, a heater is arranged in the extraction box, a feed port penetrates through the top of the extraction box, a discharge port penetrates through the bottom of the extraction box, a double-layer screen is arranged at the discharge port, filter paper is arranged between the double-layer screen, a cover plate is detachably and hermetically mounted on the feed port, and a through hole penetrates through the center of the right side plate of the extraction box;

the stirring subassembly includes rotation axis, a plurality of stirring blade and scrapes the flitch, the rotation axis is along controlling to extending, the rotation axis left end is passed the perforation is located draw the incasement, the rotation axis right-hand member with driving motor's output shaft, the driving motor drive rotation axis axial rotation, a plurality of stirring blade are followed the rotation axis radially extends and mutual parallel arrangement, scrape the flitch along controlling to extending, be fixed in a plurality of stirring blade keep away from the one end of rotation axis, scrape the flitch with draw incasement lateral wall looks butt.

Further, draw case left side board with the relative position of rotation axis is equipped with the recess of notch right, the rotation axis left end pass through sealed bearing with the recess inside wall is connected.

Further, one side of the scraping plate departing from the stirring blade is arc-shaped, so as to be matched with the inner side wall of the extraction box.

Further, the stirring blade comprises a fixed cylinder, a telescopic rod and a spring;

the fixed cylinder with the telescopic link is all followed the rotation axis radially extends, fixed cylinder one end is fixed in on the rotation axis, the other end is the opening setting, the telescopic link cover is located in the fixed cylinder, the telescopic link be located one end in the fixed cylinder with the fixed cylinder passes through spring coupling, the other end with scrape flitch fixed connection.

Furthermore, a plurality of stirring blades that are parallel to each other are a set of, be equipped with the multiunit on the rotation axis stirring blades, and wind rotation axis circumference evenly interval distribution.

Further, still wrap the collecting bucket, the collecting bucket install in discharge gate department, the exit of collecting bucket is equipped with the switch.

Furthermore, the bottom of the base is provided with universal wheels.

Further, the perforated side wall is connected to the rotating shaft by a seal bearing.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is: soil and extractant of organic matter to be drawed are added to the feed inlet of drawing the case, utilize the heater to draw the incasement heating, the heating temperature of heater can be adjusted according to the required temperature of extractant, it is rotatory to utilize driving motor drive rotation axis, thereby drive the stirring blade and rotate, can stir the soil of blocking, make soil and extractant fully contact, can avoid the extractant because the action of gravity infiltrates to soil in, the time that consumes is longer, consequently can accelerate the efficiency that soil organic matter drawed. Simultaneously, stirring blade pivoted in-process scrapes the flitch and draws incasement lateral wall looks butt, can scrape the soil of adhesion on drawing the incasement lateral wall, can improve the extraction rate of soil organic matter. The extract that draws flows out in the discharge gate of drawing the bottom of the case portion, because the setting of discharge gate filter paper, can prevent that soil particles from entering into to the collecting box in, the screen cloth of filter paper below is used for supporting filter paper, and the screen cloth of filter paper top is used for preventing to scrape flitch and filter paper contact damage filter paper.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a rapid extraction device for semi-volatile organic compounds in soil according to the present invention;

fig. 2 is a cross-sectional view of the apparatus a-a' for rapid extraction of semi-volatile organic compounds from soil of fig. 1.

In the figure: the device comprises a base 1, an extraction box 2, a right side plate 21, a box body 22, a stirring assembly 3, a rotating shaft 31, a stirring blade 32, a fixed cylinder 32a, an expansion rod 32b, a spring 32c, a scraper plate 33, a driving motor 4, a liquid collecting hopper 5, a screen 6, filter paper 7, a cover plate 8, a universal wheel 9 and a sealing bearing 10.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, an embodiment of the present invention provides a quick extraction device for semi-volatile organic compounds in soil, including a base 1, an extraction box 2, a stirring assembly 3, a driving motor 4, and a liquid collecting hopper 5.

Draw case 2 to be fixed in on the base 1 so that draw case 2 unsettled setting, it has to be cylindricly and follows the inner chamber to extending about to draw case 2, the inner chamber is used for placing the soil of waiting to draw the organic matter, it is equipped with heater (not shown in the figure) to draw in case 2, it runs through and is equipped with the feed inlet (not mark in the figure) to draw case 2 top, and the bottom runs through and is equipped with the discharge gate (not mark in the figure), discharge gate department is equipped with double screen 6, be equipped with filter paper 7 between the double screen 6. The feed inlet can be dismantled and seal installation has apron 8, the center department that draws the right side board 21 of case 2 runs through and is equipped with the perforation (not mark in the figure). To facilitate cleaning of the extraction box 2, in the present embodiment, the right side plate 21 of the extraction box 2 is detachably attached to the box body 22 of the extraction box 2. The liquid collecting hopper 5 is arranged at the discharge port, and a switch (not shown in the figure) for controlling water flow is arranged at the outlet of the liquid collecting hopper 5. The bottom of the base 1 is provided with universal wheels 9, which is convenient for the extraction box 2 to move.

The stirring assembly 3 comprises a rotating shaft 31, a plurality of stirring blades 32 and a scraper plate 33, the rotating shaft 31 extends in the left-right direction, the left end of the rotating shaft 31 penetrates through the through hole and is located in the extraction box 2, the right end of the rotating shaft 31 is connected with an output shaft of the driving motor 4, and the driving motor 4 drives the rotating shaft 31 to rotate axially. Specifically, a groove (not labeled in the figure) with a rightward notch is formed in a position, opposite to the rotating shaft 31, of a left side plate of the extraction box 2, the left end of the rotating shaft 31 is connected with an inner side wall of the groove through a sealing bearing 10, and the perforated side wall is connected with the rotating shaft 31 through the sealing bearing 10, so that the rotating stability of the rotating shaft 31 can be enhanced.

A plurality of stirring blades 32 are followed rotation axis 31 radially extends and mutual parallel arrangement, scrape flitch 33 along controlling to extending, be fixed in a plurality of stirring blades 32 are kept away from the one end of rotation axis 31, scrape flitch 33 with draw 2 inside wall looks butt of case, scrape flitch 33 and deviate from one side of stirring blade 32 is convex setting, with draw 2 inside wall adaptations of case, scrape the width (the direction of width is perpendicular with telescopic link 32b extending direction) of flitch 33 and keep away from rotation axis 31 is gradually big setting to the direction that is close to rotation axis 31 to it scrapes down to glue adnexed soil on 2 inside walls of case to draw, can improve the efficiency that soil drawed.

The stirring blade 32 includes a fixed cylinder 32a, a telescopic rod 32b, and a spring 32 c. The fixed cylinder 32a and the telescopic rod 32b both extend along the radial direction of the rotating shaft 31, one end of the fixed cylinder 32a is fixed on the rotating shaft 31, the other end of the fixed cylinder 32a is provided with an opening, the telescopic rod 32b is sleeved in the fixed cylinder 32a, one end of the telescopic rod 32b, which is positioned in the fixed cylinder 32a, is connected with the fixed cylinder 32a through the spring 32c, and the other end of the telescopic rod is fixedly connected with the scraper 33. In the rotation process of the scraper 33, when the scraper 33 is difficult to scrape the soil from the inner side wall of the extraction box 2, the scraper 33 moves in the direction close to the rotation shaft 31 after receiving the resistance of the soil, so that the compression spring 32c can prevent the scraper 33 from being damaged.

A plurality of be parallel to each other stirring blade 32 is a set of, be equipped with the multiunit on the rotation axis 31 stirring blade 32, in this embodiment, for three groups, and wind rotation axis 31 even interval distribution in circumference can further make fully contact between soil and the extractant, improves the efficiency that organic matter drawed in the soil.

Soil and extractant of organic matter to be extracted are added to the feed inlet of drawing case 2, utilize the heater to the heating in drawing case 2, the heating temperature of heater can be adjusted according to the required temperature of extractant, it is rotatory to utilize driving motor 4 drive rotation axis 31, thereby it rotates to drive stirring blade 32, can stir the soil of blocking, make soil and extractant fully contact, can avoid the extractant because the time that the action of gravity infiltration spent is longer in soil, consequently, can accelerate the efficiency that soil organic matter drawed. Meanwhile, in the rotating process of the stirring blade 32, the scraping plate 33 is abutted to the inner side wall of the extraction box 2, so that the soil adhered to the inner side wall of the extraction box 2 can be scraped, and the extraction rate of organic matters in the soil can be improved. The extracted extracting solution flows out from the discharge port at the bottom of the extracting box 2, soil particles can be prevented from entering the collecting box due to the arrangement of the discharge port filter paper 7, the screen 6 below the filter paper 7 is used for supporting the filter paper 7, and the screen 6 above the filter paper 7 is used for preventing the scraper plate 33 from contacting with the filter paper 7 to damage the filter paper 7.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A quick extraction device for semi-volatile organic compounds in soil is characterized by comprising a base, an extraction box, a stirring assembly and a driving motor;

2. The apparatus for rapidly extracting semi-volatile organic compounds from soil according to claim 1, wherein a groove with a rightward notch is formed in a position of the left side plate of the extracting box opposite to the rotating shaft, and the left end of the rotating shaft is connected with the inner side wall of the groove through a sealed bearing.

3. The apparatus according to claim 1, wherein the scraper is disposed in a circular arc shape on a side thereof facing away from the stirring blade to fit with an inner sidewall of the extraction box.

4. The rapid extraction device for semi-volatile organic compounds in soil according to claim 1, wherein the stirring blade comprises a fixed cylinder, a telescopic rod and a spring;

5. The apparatus according to claim 1, wherein the stirring blades are parallel to each other, and the rotating shaft is provided with a plurality of groups of stirring blades and evenly spaced around the rotating shaft.

6. The device for rapidly extracting semi-volatile organic compounds in soil according to claim 1, further comprising a liquid collecting hopper, wherein the liquid collecting hopper is installed at the discharge port, and a switch is arranged at the outlet of the liquid collecting hopper.

7. The apparatus for rapidly extracting semi-volatile organic compounds from soil as claimed in claim 1, wherein the bottom of said base is provided with universal wheels.

8. The device for the rapid extraction of semi-volatile organic compounds from soil according to claim 1, wherein said perforated side wall is connected to said rotating shaft by a sealed bearing.