CN215876312U

CN215876312U - Automatic quick solvent extractor for extracting semi-volatile organic compounds in soil

Info

Publication number: CN215876312U
Application number: CN202121785632.5U
Authority: CN
Inventors: 裘家韡; 沈建明; 卢少华; 金杰
Original assignee: Huzhou Zhongyi Testing & Research Institute Co ltd
Current assignee: Huzhou Zhongyi Testing & Research Institute Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-22
Anticipated expiration: 2031-08-03

Abstract

The utility model belongs to the technical field of extraction equipment, and particularly relates to an automatic rapid solvent extraction instrument for extracting semi-volatile organic compounds in soil. The utility model achieves the purpose that the solvent extraction instrument can be efficiently used by arranging the main body plate, the extraction tank body, the four-side cover body, the pipeline fixing unit, the liquid inlet tank unit, the liquid outlet tank unit and the protruding plate unit on the bottom plate. The utility model has the following advantages: the extraction instrument has the advantages that firstly, the extraction instrument is provided with an independent cleaning system, a water inlet pipe and a water tank which are not attached to the outside are not needed, the using environment limiting condition of the extraction instrument is broken, the application range of the extraction instrument is greatly improved, and the extraction instrument can be used in the field; secondly, the position of the liquid outlet pipe mouth can be flexibly adjusted to correspond to or be positioned below the extraction phase, so that the extraction phase can be preferentially discharged, and a large amount of residual phase is prevented from being mixed in the extraction phase.

Description

Automatic quick solvent extractor for extracting semi-volatile organic compounds in soil

Technical Field

The utility model belongs to the technical field of extraction equipment, and particularly relates to an automatic rapid solvent extraction instrument for extracting semi-volatile organic compounds in soil.

Background

The semi-volatile organic compounds in the soil include chlorohydrocarbons, phthalates, nitrosamines, ethers and the like, and the detection of the substances needs extraction technology, and the operation equipment is a solvent extractor.

The existing solvent extraction apparatus mainly comprises an extraction pool, a liquid inlet pipeline and a liquid outlet pipeline, wherein a pump body controlled by an automatic program is arranged on the pipelines, so that preliminary automatic extraction operation can be realized, and the apparatus is basically used for detecting semi-volatile organic matters in soil.

However, in the long-term use process, the existing solvent extraction apparatus still has the following problems to be solved urgently: firstly, when the extraction tank is cleaned, a liquid inlet pipeline is connected with a water pipe, and a liquid outlet pipeline is inserted into a waste water tank, so that the placement of an extraction instrument is greatly limited, and the use of the extraction instrument is greatly troublesome; secondly, the position of the liquid pumping pipe orifice of the liquid outlet pipeline is inconvenient to adjust, and the harmful problem of vertical height movement is easy to occur after the adjustment, so that the mutual separation operation of the extraction phase and the residual phase is not thorough.

Therefore, there is an urgent need for an automatic solvent extractor for detecting semi-volatile organic compounds in soil, which is simple, stable, convenient and efficient.

The patent publication number is CN 206492238U, and the china utility model patent that bulletins day is 2017.09.15 discloses a quick solvent extraction appearance, including solvent extraction appearance shell, the bottom of solvent extraction appearance shell is provided with the bottom drawer, the bottom drawer be provided with the drawer handle on the surface, be provided with outside dustproof cabinet door on the front surface of solvent extraction appearance shell, the outside dustproof cabinet door be provided with visual glass window on the surface, one side of visual glass window is provided with the cabinet door handle, one side of solvent extraction appearance shell is provided with the controller, and the opposite side of solvent extraction appearance shell is provided with the syringe pump, the controller be provided with the display screen on the surface.

But the extraction appearance in this utility model patent, its extraction post have inconvenient abluent problem, and the washing operation needs link the equipment in the collocation system of inlet pipe with the basin moreover, and this use scene that has just restricted the extraction appearance greatly has brought great inconvenience for whole extraction operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic quick solvent extraction instrument for extracting semi-volatile organic compounds in soil, which can achieve the purpose of high-efficiency use of the solvent extraction instrument by arranging a main body plate, an extraction tank body, a four-sided cover body, a pipeline fixing unit, a liquid inlet tank unit, a liquid outlet tank unit and a protruding plate unit on a bottom plate.

The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides an automatic quick solvent extraction appearance of type for semi-volatile organic compounds extracts in soil, includes the bottom plate, sets up main part board on the bottom plate sets up extraction cell body on the main part board, and detain just be equipped with the four sides type lid of positive operation mouth on the bottom plate, still including setting up the fixed unit of pipeline on the extraction cell body upper surface sets up feed liquor groove unit on the main part board sets up play liquid jar unit on the main part board, and set up and be in be used for installing water pump pipeline's protrusion board unit on the four sides type lid medial surface.

The further preferred technical scheme is as follows: the pipeline fixing unit comprises a fixing pipe support part and a movable pipe support part, wherein the fixing pipe support part and the movable pipe support part are respectively arranged on the upper surfaces of two symmetrical extraction groove bodies, the liquid inlet groove unit is arranged at one side close to the fixing pipe support part, and the liquid outlet tank unit is arranged at one side close to the movable pipe support part.

The further preferred technical scheme is as follows: the fixed pipe support part comprises a first stand column arranged on the upper surface of the extraction tank body, a transverse extension plate arranged on the first stand column, and a first circular ring arranged on the transverse extension plate and used for inserting and fixing a liquid inlet water pump pipeline.

The further preferred technical scheme is as follows: the movable pipe support part comprises a second stand column, a lifting plate, a mounting hole, a second circular ring, a transverse threaded hole and a fastening bolt, wherein the second stand column is arranged on the upper surface of the extraction tank body, the lifting plate is arranged on the lifting plate and used for being inserted into and mounted on the second stand column, the second circular ring is arranged on the lifting plate and used for being fixedly inserted into the liquid outlet water pump pipeline, the transverse threaded hole is arranged on the mounting hole, and the fastening bolt is arranged on the transverse threaded hole and used for clamping the second stand column.

The further preferred technical scheme is as follows: the movable pipe support part further comprises a limiting block arranged on the second stand column and located below the lifting plate, a fixed rod arranged on the lifting plate, and an anti-lost connecting rope arranged between the fixed rod and the fastening bolt.

The further preferred technical scheme is as follows: feed liquor groove unit is including setting up two washing water tank bodies on the main part board set up on the main part board and be located two feed liquor jar mounting groove between the washing water tank body, and set up anti-skidding flexure strip in the feed liquor jar mounting groove.

The further preferred technical scheme is as follows: the cleaning water tank body comprises a sealing cover body, and the maximum volume of the cleaning water tank body is 600-850 ml.

The further preferred technical scheme is as follows: the liquid outlet tank unit comprises a groove for placement, two elastic strips and a liquid collecting tank, wherein the groove is formed in the main body plate, the two elastic strips are respectively arranged on two inner side surfaces of the groove for placement, and the liquid collecting tank is arranged on the groove for placement, is clamped by the two elastic strips and is used for being connected with a liquid outlet pump pipeline.

The further preferred technical scheme is as follows: the number of the liquid collecting tanks is at least three.

The further preferred technical scheme is as follows: the protruding board unit is including setting up just be close to respectively on the four sides type lid medial surface fixed pipe support portion with two water pump mounting panels of activity pipe support portion, and set up be in on the water pump mounting panel and be used for pegging graft the plate body trompil of fixed water pump pipeline.

The utility model has the following advantages: the extraction instrument has the advantages that firstly, the extraction instrument is provided with an independent cleaning system, a water inlet pipe and a water tank which are not attached to the outside are not needed, the using environment limiting condition of the extraction instrument is broken, the application range of the extraction instrument is greatly improved, and the extraction instrument can be used in the field; secondly, the position of the liquid outlet pipe mouth is flexibly adjustable so as to correspond to or be positioned below the extraction phase, so that the extraction phase can be preferentially discharged, and a large amount of residual phase is prevented from being mixed in the extraction phase; third, whole extraction appearance can the autonomous working, and inside pipeline and installation component stable in structure, arrange rationally, guarantee extraction easy operation, swift, high-efficient.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the position structure of the liquid inlet tank unit and the liquid outlet tank unit in the utility model from a top view.

FIG. 3 is a schematic structural view of a movable tube support part according to the present invention.

Fig. 4 is a schematic view of a position structure of a fastening bolt in the present invention.

Fig. 5 is a schematic view of the position structure of the four-sided cover and the protruding plate unit according to the present invention.

Detailed Description

The following description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

Example (b): as shown in fig. 1, 2, 3, 4 and 5, an automatic fast solvent extractor for extracting semi-volatile organic compounds from soil comprises a bottom plate 11, a main body plate 12 arranged on the bottom plate 11, an extraction tank 13 arranged on the main body plate 12, a four-sided cover 14 buckled on the bottom plate 11 and provided with a front operation port, a pipeline fixing unit 1 arranged on the upper surface of the extraction tank 13, a liquid inlet tank unit 2 arranged on the main body plate 12, a liquid outlet tank unit 3 arranged on the main body plate 12, and a protruding plate unit 4 arranged on the inner side surface of the four-sided cover 14 and used for installing a water pump pipeline.

In this embodiment, according to the prior art, a soil sample to be detected, such as a beaker and a sealed tank containing the soil sample to be detected, is placed on the liquid inlet tank unit 2, then the liquid pipeline pumps the soil sample to be detected into the extraction tank body 13, then the liquid inlet pipeline pumps a solvent for extraction, such as various ether and ketone solvents, and the mixture is fully mixed and then stands to obtain an upper liquid phase and a lower liquid phase, wherein the extract may be located in the upper layer or the lower layer, and at this time, the liquid outlet pipeline can flexibly select to pump out the upper liquid phase or the lower liquid phase first, so that the two liquid phases can be separated completely to the maximum extent, and the amount of the two liquid phases mixed with each other is reduced.

In the process, the pipeline fixing unit 1 is used for fixing a liquid inlet pipeline, and is used for fixing and ensuring that the position of a pipe orifice of the liquid outlet pipeline can be vertically adjusted, so that the operation of pumping out an upper layer liquid phase or a lower layer liquid phase is flexibly selectable, the liquid inlet groove unit 2 is used for placing a sample device and an extractant device, the liquid outlet tank unit 3 is used for separately receiving an extraction phase and a residual phase, and finally the protruding plate unit 4 is used for ensuring that the pipeline of the whole extraction apparatus is stably and reliably arranged.

In addition, clear water can be temporarily stored in the liquid tank unit 2, and the liquid outlet tank unit 3 is also connected with a water tank, so that the extraction instrument has an independent cleaning function.

Finally, the extraction apparatus is provided with necessary control circuits, observation windows and a power supply system according to the prior art.

The pipeline fixing unit 1 comprises a fixing pipe support part 101 and a movable pipe support part 102, wherein the fixing pipe support part 101 and the movable pipe support part 102 are respectively arranged on the upper surfaces of two symmetrical extraction tank bodies 13, the liquid inlet tank unit 2 is arranged on one side close to the fixing pipe support part 101, and the liquid outlet tank unit 3 is arranged on one side close to the movable pipe support part 102. The fixed pipe support part 101 comprises a first upright 101a arranged on the upper surface of the extraction tank body 13, a transverse extension plate 101b arranged on the first upright 101a, and a first circular ring 101c arranged on the transverse extension plate 101b and used for inserting and fixing a liquid inlet water pump pipeline.

In this embodiment, the fixed pipe support part 101 is used for feeding liquid, so it does not need height adjustment, and it is enough to ensure that the first ring 101c is located right above the extraction tank 13, and the inner diameter of the first ring 101c is 5-9mm smaller than the outer diameter of the pipeline, so as to ensure sufficient and appropriate clamping strength.

The movable pipe bracket part 102 comprises a second upright post 102a arranged on the upper surface of the extraction tank body 13, a lifting plate 102b, a mounting hole 102c arranged on the lifting plate 102b and used for inserting and mounting the second upright post 102a, a second circular ring 102d arranged on the lifting plate 102b and used for inserting and fixing a liquid outlet pump pipeline, a transverse threaded hole 102e arranged on the mounting hole 102c, and a fastening bolt 102f arranged on the transverse threaded hole 102e and used for clamping the second upright post 102 a. The movable pipe bracket part 102 further includes a stopper 102g disposed on the second upright post 102a and below the lifting plate 102b, a fixed rod 102h disposed on the lifting plate 102b, and an anti-lost connection rope 102k disposed between the fixed rod 102h and the fastening bolt 102 f.

In the prior art, the density relation between the original solvent and the extraction solvent of a soil sample is uncertain, so that an extraction phase can be positioned on an upper layer or a lower layer, and the original solvent can be mixed relatively less when the extraction phase is pumped out preferentially, so that the position of a pipe orifice of a liquid pipeline needs to be adjusted up and down, and the pipe orifice is not easy to loosen accidentally after being adjusted.

In this embodiment, the second ring 102d clamps the pipeline in the same way as the first ring 101c, except that the second ring 102d clamps the liquid outlet pipeline, and the second ring 102d and the lifting plate 102b can be lifted vertically on the second upright post 102a, and clamped by the fastening bolt 102f after being lifted to obtain a suitable pipe orifice height, so as to ensure that the pipe orifice is not prone to accidentally falling after being lifted.

In addition, the anti-lost connecting rope 102k can ensure that the tiny component of the fastening bolt 102f cannot fall off and be lost, and the extraction instrument has the advantage of compact and stable internal structure.

Feed liquor groove unit 2 is including setting up two washing water tank body 201 on the main part board 12 set up on the main part board 12 and be located two feed liquor jar mounting groove 202 between the washing water tank body 201, and set up anti-skidding flexure strip 203 in the feed liquor jar mounting groove 202. The cleaning water tank body 201 comprises a sealing cover body, and the maximum volume of the cleaning water tank body 201 is 600-.

In this embodiment, the extraction apparatus can be taken out for field use, and at this time, 800ml of deionized water is filled in each cleaning water tank 201, so that the entire pipeline can be ensured, and the extraction tank 13 has a thorough cleaning effect for at least 3-5 times, so that the extraction apparatus can be used for many times.

The material of antiskid flexure strip 203 is current silica gel, guarantees that various glass containers can be in it steadily lays to advance liquid tank mounting groove 202.

The liquid outlet tank unit 3 comprises a placing slot 301 arranged on the main body plate 12, two elastic strips 302 respectively arranged on two inner side surfaces of the placing slot 301, and a liquid collecting tank 303 arranged on the placing slot 301, clamped by the two elastic strips 302 and connected with a liquid outlet pump pipeline. The number of the liquid collecting tanks 303 is at least three.

In this embodiment, the liquid collecting tank 303 needs to receive the extract phase, the residual phase and the cleaning water pumped from the liquid outlet pipeline, so at least three liquid collecting tanks 303 are needed, and the elastic strip 302 is made of sponge to ensure that the liquid collecting tanks 303 are sufficiently clamped.

The protruding plate unit 4 comprises two water pump mounting plates 401 which are arranged on the inner side surface of the four-surface type cover body 14 and are respectively close to the fixed pipe support part 101 and the movable pipe support part 102, and plate body holes 402 which are arranged on the water pump mounting plates 401 and are used for inserting and fixing water pump pipelines.

In this embodiment, a protective cover may be further fastened to the extraction tank 13, a simple stirring structure is provided in the protective cover, and the liquid inlet pipeline and the liquid outlet pipeline pass through the protective cover, and are used for pumping in a sample, an extractant and clear water, and pumping out an extract phase, a residual phase and cleaning sewage, the water pump mounting plate 401 and the plate body opening 402 are used for stably mounting the water pump and a pipeline at one end of the water pump, and the pipeline at the other end is used for inserting the first ring 101c or the second ring 102d, so as to ensure that the whole extraction operation is effectively and rapidly performed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the claims appended hereto.

Claims

1. The utility model provides an automatic type quick solvent extraction appearance that is arranged in extraction of semi-volatile organic compounds in soil, includes bottom plate (11), sets up main part board (12) on bottom plate (11), sets up extraction cell body (13) on main part board (12) and detain on bottom plate (11) and be equipped with four sides type lid (14) of positive operation mouth, its characterized in that: still including setting up fixed unit of pipeline (1) on extraction cell body (13) upper surface sets up feed liquor groove unit (2) on main part board (12) sets up go out liquid jar unit (3) on main part board (12), and set up and be in protrusion board unit (4) that are used for installing the water pump pipeline on four sides type lid (14) medial surface.

2. The automatic fast solvent extractor for extracting semi-volatile organic compounds from soil as claimed in claim 1, wherein: the pipeline fixing unit (1) comprises a fixing pipe support part (101) and a movable pipe support part (102), wherein the fixing pipe support part (101) and the movable pipe support part (102) are respectively arranged on the upper surfaces of two symmetrical extraction tank bodies (13), the liquid inlet tank unit (2) is arranged at one side close to the fixing pipe support part (101), and the liquid outlet tank unit (3) is arranged at one side close to the movable pipe support part (102).

3. The automatic fast solvent extractor for extracting semi-volatile organic compounds from soil as claimed in claim 2, wherein: the fixed pipe support part (101) comprises a first upright column (101 a) arranged on the upper surface of the extraction tank body (13), a transverse extension plate (101 b) arranged on the first upright column (101 a), and a first circular ring (101 c) arranged on the transverse extension plate (101 b) and used for inserting and fixing a liquid inlet water pump pipeline.

4. The automatic fast solvent extractor for extracting semi-volatile organic compounds from soil as claimed in claim 2, wherein: the movable pipe support part (102) comprises a second upright post (102 a) arranged on the upper surface of the extraction tank body (13), a lifting plate (102 b), a mounting hole (102 c) arranged on the lifting plate (102 b) and used for inserting and mounting the second upright post (102 a), a second circular ring (102 d) arranged on the lifting plate (102 b) and used for inserting and fixing a liquid outlet water pump pipeline, a transverse threaded hole (102 e) arranged on the mounting hole (102 c), and a fastening bolt (102 f) arranged on the transverse threaded hole (102 e) and used for clamping the second upright post (102 a).

5. The automatic rapid solvent extractor for extracting semi-volatile organic compounds from soil of claim 4, wherein: the movable pipe bracket part (102) further comprises a limiting block (102 g) which is arranged on the second upright post (102 a) and is positioned below the lifting plate (102 b), a fixed rod (102 h) which is arranged on the lifting plate (102 b), and an anti-lost connecting rope (102 k) which is arranged between the fixed rod (102 h) and the fastening bolt (102 f).

6. The automatic fast solvent extractor for extracting semi-volatile organic compounds from soil as claimed in claim 1, wherein: feed liquor groove unit (2) is including setting up two washing water tank body (201) on main part board (12) set up on main part board (12) and be located two feed liquor jar mounting groove (202) between washing water tank body (201), and set up anti-skidding flexure strip (203) in feed liquor jar mounting groove (202).

7. The automatic rapid solvent extractor for extracting semi-volatile organic compounds from soil of claim 6, wherein: the cleaning water tank body (201) comprises a sealing cover body, and the maximum volume of the cleaning water tank body (201) is 600-850 ml.

8. The automatic fast solvent extractor for extracting semi-volatile organic compounds from soil as claimed in claim 1, wherein: the liquid outlet tank unit (3) comprises a groove (301) for placement, two elastic strips (302) and a liquid collecting tank (303), wherein the groove (301) is formed in the main body plate (12), the two elastic strips (302) are respectively arranged on two inner side surfaces of the groove (301) for placement, and the liquid collecting tank (303) is arranged on the groove (301) for placement, is clamped by the two elastic strips (302) and is used for being connected with a liquid outlet pump pipeline.

9. The automatic fast solvent extractor for extracting semi-volatile organic compounds from soil of claim 8, wherein: the number of the liquid collecting tanks (303) is at least three.

10. The automatic fast solvent extractor for extracting semi-volatile organic compounds from soil as claimed in claim 2, wherein: the protruding plate unit (4) comprises two water pump mounting plates (401) which are arranged on the inner side face of the four-face type cover body (14) and are respectively close to the fixed pipe support part (101) and the movable pipe support part (102), and plate body holes (402) which are arranged on the water pump mounting plates (401) and are used for inserting and fixing water pump pipelines.