CN218307252U

CN218307252U - Adsorption sampling bottle

Info

Publication number: CN218307252U
Application number: CN202222651323.XU
Authority: CN
Inventors: 熊杰; 付淑惠; 李海霞; 何吉明; 曹阳; 刘强
Original assignee: Sichuan Ecological Environment Monitoring Station
Current assignee: Sichuan Ecological Environment Monitoring Station
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-01-17
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses an adsorb sampling bottle, include: a first container; the lower part of the first container is connected with the second container through threads; the lower part of the second container is connected with a third container through threads; the second container is provided with a first limiting plate, and a first filter membrane is placed on the first limiting plate; the third container is provided with a second limiting plate, and a second filter membrane is placed on the second limiting plate; after the filtrate enters from the first container, performing primary filtration through a first filter membrane; the filtrate in the second container is subjected to adsorption filtration through a second filter membrane, and the substances to be collected are adsorbed on the second filter membrane; the device uses and adsorbs the sampling bottle, when sampling through the water pump, can filter the water sample and adsorb, can adsorb the antibiotic and collect in the sampling process, and the adsorption film in sampling bottle and the bottle is detachable design, takes out the adsorption film after being convenient for directly dismantle, only need save the adsorption film after gathering in transportation can, saved the cost of transportation.

Description

Adsorption sampling bottle

Technical Field

The utility model relates to an environmental monitoring field especially relates to an adsorb sampling bottle.

Background

The problem of water resource safety is one of the main problems related to environmental problems in recent years, and the quality monitoring of water resources is more important. Antibiotics are widely applied to the fields of medical clinic, animal and aquaculture and the like, after medicines enter animal bodies through various administration routes, the antibiotics not only cause residues in animal foods such as meat, eggs and milk, but also cause residues in environmental media, and the existence of the antibiotics is detected in water areas such as surface water at present.

The existing surface water detection antibiotics need to store water samples after collecting samples and carry out adsorption extraction in a laboratory, but the antibiotics are short in storage time, generally, the antibiotics are required to be refrigerated and stored at 4 ℃ after being collected, enrichment extraction is carried out within 48 hours, and the water samples in different water areas need to be stored on the way of transporting the collected water samples to the laboratory, so that the transportation requirement is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adsorption sampling bottle.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sorbent sampling bottle comprising:

a first container;

the lower part of the first container is connected with a second container through threads;

the lower part of the second container is connected with a third container through threads;

the second container is provided with a first limiting plate, and a first filter membrane is placed on the first limiting plate;

the third container is provided with a second limiting plate, and a second filter membrane is placed on the second limiting plate;

after the filtrate enters from the first container, performing primary filtration through the first filter membrane;

and the filtrate in the second container is subjected to adsorption filtration through the second filter membrane, and the substances to be collected are adsorbed on the second filter membrane.

As a further description of the above technical solution: one side of the first container is provided with a water pumping port and is connected with a hose, and the other side of the hose is provided with a first pump body.

As a further description of the above technical solution: and a communication pipeline is arranged between one side of the second container and one side of the third container.

As a further description of the above technical solution: and a second pump body is arranged at the through hole of the third container and the communication pipeline.

As a further description of the above technical solution: the circle center of the first limiting plate is provided with a through hole, so that the first limiting plate is in a circular ring shape, and the diameter of the second filter membrane is smaller than that of the through hole.

As a further description of the above technical solution: a fastening block is connected above the first limiting plate through a bolt, and the first filter membrane is placed between the first limiting plate and the fastening block.

As a further description of the above technical solution: and a plurality of discharge holes are formed in the surface of the second limiting plate.

As a further description of the above technical solution: the bottom of the third container is provided with a water outlet, and the opening and closing of the water outlet are adjusted through a rotary check valve.

As a further description of the above technical solution: the first filter membrane can be selected as an ultrafiltration membrane, and the filtration precision is 0.45 mu m.

As a further description of the above technical solution: the second filter membrane is an adsorbable filter membrane.

The technical scheme has the following advantages or beneficial effects:

1. use and adsorb the sampling bottle, when sampling through the water pump, can filter the water sample and adsorb, can adsorb the antibiotic and collect in the sampling process, the adsorption film in sampling bottle and the bottle is detachable design, takes out the adsorption film after being convenient for directly dismantle, only need save the adsorption film after gathering in transportation can, saved the cost of transportation.

Drawings

Fig. 1 is a perspective view of an adsorption sampling bottle provided by the present invention;

fig. 2 is a front view of an adsorption sampling bottle provided by the present invention;

fig. 3 is a right side view of an adsorption sampling bottle provided by the present invention;

FIG. 4 is a cross-sectional view taken at A in FIG. 3;

fig. 5 is a partially enlarged view of fig. 4 at B.

Illustration of the drawings:

1. a first container; 2. a second container; 3. a third container; 4. a first limit plate; 5. a first filter membrane; 6. a second limiting plate; 7. a second filter membrane; 8. a hose; 9. a first pump body; 10. a communicating pipeline; 11. a second pump body; 12. a fastening block; 13. a vent hole; 14. and a water outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a sorbent sampling bottle comprising: a first container 1; the lower part of the first container 1 is connected with the second container 2 through threads; the lower part of the second container 2 is connected with a third container 3 through threads; the second container 2 is provided with a first limiting plate 4, and a first filter membrane 5 is arranged on the first limiting plate 4; the third container 3 is provided with a second limiting plate 6, and a second filter membrane 7 is arranged on the second limiting plate 6; after the filtrate enters from the first container 1, performing primary filtration through a first filter membrane 5; and the filtrate in the second container 2 is subjected to adsorption filtration through a second filter membrane 7, and the substances to be collected are adsorbed on the second filter membrane 7.

In the embodiment, an external thread is arranged below the first container 1, an internal thread is arranged above the inner wall of the second container 2, and the first container 1 is connected with the second container 2 through a thread; an external thread is arranged below the second container 2, an internal thread is arranged above the third container 3, the second container 2 is connected with the third container 3 through threads, three container bottles are assembled through thread assembly, and the first limiting plate 4 is arranged on the second container 2 and can be used for preliminarily filtering collected water samples; the second limiting plate 6 is arranged on the third container 3, and is used for adsorbing and collecting antibiotics for the water sample after impurities are filtered.

With reference to fig. 1, a water pumping port is formed in one side of the first container 1 and connected with a hose 8, a first pump body 9 is arranged on the other side of the hose 8, and a water sample to be detected is extracted and conveyed to a sampling bottle through the first pump body 9.

In this embodiment, the sidewall of the first container 1 may have a quantitative scale line, so that the volume of the collected water sample can be observed.

Be equipped with UNICOM pipeline 10 between one side of second container 2 and one side of third container 3, third container 3 is equipped with the second pump body 11 with the through-hole department of UNICOM pipeline 10, can carry the water sample after preliminary absorption in the third container 3 once more in the second container 2 through the second pump body 11, adsorb through the adsorption film again under the action of gravity, through the second pump body 11 and UNICOM pipeline 10, can make second container 2 and third container 3 realize water cycle, can make the water sample adsorb the collection repeatedly.

A through hole is formed in the circle center of the first limiting plate 4, so that the first limiting plate 4 is in a circular ring shape, and the diameter of the second filter membrane 7 is smaller than that of the through hole; the fastening block 12 is connected above the first limit plate 4 through a bolt, and the first filter membrane 5 is placed between the first limit plate 4 and the fastening block 12.

In this embodiment, the top of first limiting plate 4 is equipped with first filter membrane 5, can open on first filter membrane 5 and establish the round hole, and the bolt passes through the round hole and the upper surface connection of first limiting plate 4, installs first filter membrane 5 on first limiting plate 4 through fastening bolt.

The surface of the second limiting plate 6 is provided with a plurality of drainage holes 13, so that collected water samples can flow downwards into the third container 3, and the second filter membrane 7 can be placed on the third limiting plate to collect antibiotics for the water samples.

The third container 3 has a drain port 14 at the bottom, the opening and closing of the drain port is adjusted by rotating a check valve, after adsorption is finished, the adsorbed water sample can be discharged through the drain port 14, and the second filter membrane 7 can be taken out by detaching the container for low-temperature storage and transportation.

The first filter membrane 5 can be an ultrafiltration membrane, the filtration precision is 0.45 mu m, and impurities with large particle sizes in a water sample can be filtered.

The second filter membrane 7 is an adsorbable filter membrane, which in this embodiment is specifically an NH2-MIL-101 (Fe) -polyvinylidene fluoride mixed matrix membrane, and the filter membrane material is a material commonly used in laboratory extraction of antibiotics, and therefore will not be described in detail.

The working principle is as follows: the water sample to be tested is extracted and enters the sampling bottle through the first pump body 9, the water sample to be tested is subjected to primary filtration through the first filter membrane 5, the water sample flows into the third container 3 after the primary filtration, the antibiotics in the water sample are adsorbed and collected through the second filter membrane 7, the water sample in the third container 3 is conveyed to the second container 2 again through the communication pipeline 10 through the second pump body 11, the water sample is adsorbed and collected circularly, the collection effect can be better, after the collection is completed, the collected water sample can be discharged through the water outlet 14, and the second filter membrane 7 can be taken out after the third container 3 is disassembled through threads.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. An adsorb sampling bottle which characterized in that: the method comprises the following steps:

a first container (1);

the lower part of the first container (1) is connected with the second container (2) through threads;

the lower part of the second container (2) is connected with a third container (3) through threads;

the second container (2) is provided with a first limiting plate (4), and a first filter membrane (5) is placed on the first limiting plate (4);

the third container (3) is provided with a second limiting plate (6), and a second filter membrane (7) is placed on the second limiting plate (6);

the filtrate enters from the first container (1) and is primarily filtered through the first filter membrane (5);

and the filtrate in the second container (2) is subjected to adsorption filtration through the second filter membrane (7), and the substances to be collected are adsorbed on the second filter membrane (7).

2. A suction sampling bottle according to claim 1, wherein: one side of the first container (1) is provided with a water pumping port and is connected with a hose (8), and the other side of the hose (8) is provided with a first pump body (9).

3. A suction sampling bottle according to claim 1, wherein: a communication pipeline (10) is arranged between one side of the second container (2) and one side of the third container (3).

4. A suction sampling bottle according to claim 3, wherein: and a second pump body (11) is arranged at the through hole of the third container (3) and the communication pipeline (10).

5. A suction sampling bottle according to claim 1, wherein: the circle center of the first limiting plate (4) is provided with a through hole, so that the first limiting plate (4) is in a circular ring shape, and the diameter of the second filter membrane (7) is smaller than that of the through hole.

6. A suction sampling bottle according to claim 1, wherein: a fastening block (12) is connected above the first limiting plate (4) through a bolt, and the first filter membrane (5) is placed between the first limiting plate (4) and the fastening block (12).

7. A suction sampling bottle according to claim 1, wherein: and a plurality of drainage holes (13) are formed in the surface of the second limiting plate (6).

8. A suction sampling bottle according to claim 1, wherein: a water outlet (14) is arranged at the bottom of the third container (3), and the opening and closing of the water outlet are adjusted by rotating the check valve.

9. A suction sampling bottle according to claim 1, wherein: the first filter membrane (5) can be an ultrafiltration membrane, and the filtration precision is 0.45 mu m.

10. A suction sampling bottle according to claim 1, wherein: the second filter membrane (7) is an adsorbable filter membrane.