CN212621771U - Sewage sample treatment system for environment detection laboratory - Google Patents
Sewage sample treatment system for environment detection laboratory Download PDFInfo
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- CN212621771U CN212621771U CN202020989586.XU CN202020989586U CN212621771U CN 212621771 U CN212621771 U CN 212621771U CN 202020989586 U CN202020989586 U CN 202020989586U CN 212621771 U CN212621771 U CN 212621771U
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Abstract
The application belongs to the environmental protection detection device field, concretely relates to sewage sample treatment system is used in environmental detection laboratory. The system comprises a settling section, an extraction section and a canning section. Firstly, removing foam, light floating objects and the like of a water sample; then settling to remove insoluble solid in water; organic matters in the sewage sample are removed through organic solvent extraction, the sewage sample to be detected is finally obtained, and only water-soluble substances remain in the sewage through the treatment, so that the influence of other components on the detection result is avoided.
Description
Technical Field
The application belongs to the environmental protection detection device field, concretely relates to sewage sample treatment system is used in environmental detection laboratory.
Background
Heavy metal pollution is an important component of water pollution that cannot be ignored. Because heavy metal salt, especially water-soluble heavy metal salt, is mixed in water, the heavy metal salt exists in an ion state in the water, and the heavy metal salt is further enriched on crops along with the entry of the water into soil or enters a human body along with drinking water in life, so that great damage is caused to the human body.
In order to evaluate the water quality, the water quality is often detected in a laboratory after sampling, and a processing scheme is formulated according to the detection result. Because the tests all need to use precise instruments such as HPLC, the water samples need to be pretreated.
Disclosure of Invention
In order to solve the problems, the application provides a system capable of pretreating a sewage sample. The system firstly removes foam, light floating objects and the like of a water sample; then settling to remove insoluble solid in water; organic matters in the sewage sample are removed through organic solvent extraction, the sewage sample to be detected is finally obtained, and only water-soluble substances remain in the sewage through the treatment, so that the influence of other components on the detection result is avoided.
In order to achieve the purpose, the following technical scheme is adopted in the application:
a sewage sample treatment system for an environment detection laboratory comprises a settling section, an extraction section and a canning section;
the settling section comprises a settling tank with an opening at the upper part, and a guide plate is arranged on one side of the opening of the settling tank;
the top end of the sedimentation tank is provided with a scraper which is hung on the guide rail through a chain, and one side of the guide rail is provided with a motor;
the scraper plate moves back and forth on the guide rail;
the distance between the bottom end of the scraper and the opening at the top of the sedimentation tank is 0.5-1 cm;
a water outlet is formed in the side surface of the sedimentation tank and is connected with the extraction section through a conduit;
a screen is arranged on the water outlet;
the guide pipe is designed to be provided with an upper opening, and the bottom of the guide pipe is provided with a magnet;
the extraction section comprises an extraction tank, and a conduit is connected with the upper part of the extraction tank and a water outlet;
an extracting agent adding pipe is arranged in the extracting tank, the top end of the extracting agent adding pipe extends out of the extracting tank,
the extracting agent adding pipe is a cake-shaped spray head, and small holes are uniformly formed in the upper part of the spray head;
the top end of the extractant adding pipe is provided with an extractant inlet;
a water sample outlet pipe is arranged at the bottom of the extraction tank, and a canning section is arranged at the end part of the water sample outlet pipe;
the canning section is characterized in that the end part of the water sample outlet pipe is connected with a rectangular sample outlet disc, the sample outlet disc is provided with a water outlet head, and the bottom of the water outlet head is provided with a rubber head;
the upper part of the extraction tank is provided with an extractant circulating pipe, the bottom end of the circulating pipe is connected with the upper part of the extraction tank, the other end of the circulating pipe is connected with an extractant inlet, and the circulating pipe is provided with a circulating pump.
When the device is used, a water sample collected from a sewage source is poured into the sedimentation tank, the motor is started, the scraper plate is driven to move through the guide rail, light objects, foams and the like floating on the water surface are scraped away, the floating objects are discharged out of the sedimentation tank along the guide plate, the device is kept stand for 2-3 hours, the water outlet is opened, the water sample is filtered by the screen mesh and then enters the extraction tank along the guide pipe, and metal solids such as iron and the like in the water sample are adsorbed by the magnet bottom plate of the guide pipe. After a water sample enters the extraction pipe, an extractant is added from an extractant inlet, reaches the bottom along the addition pipe, and is sprayed out from a small hole on the spray head. The water sample from the conduit is from top to bottom, the extractant from the nozzle is from bottom to top, the two are fully contacted, the extraction efficiency is increased, and in the extraction process, in order to obtain higher extraction efficiency, the circulating pump can be started to further circulate the solution containing a large amount of extractant on the upper layer of the extraction tank. After extraction, the valve of the water sample outlet pipe is opened, the water sample enters the sample outlet disc and enters the sample container through the water outlet head via the rubber head, such as a volumetric flask, a test tube and the like. The design of the sample outlet head meets the purpose that a sample is conveniently added into a narrow-neck container, and the design of the rubber head can rotate at any angle, so that the filling is convenient.
The system that this application provided can satisfy the pretreatment process of the sewage sample in laboratory, goes out most impurity in the water sample, can improve the rate of accuracy of test heavy metal ion.
Drawings
FIG. 1 is a schematic diagram of the construction of the extraction and canning sections of the present application;
FIG. 2 is a schematic diagram of the structure of the settling section of the present application;
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.
Referring to fig. 1-2, a sewage sample treatment system for an environmental detection laboratory comprises a settling section, an extraction section and a canning section;
the settling section comprises a settling pond 16 with an opening at the upper part, and a guide plate 17 is arranged on one side of the opening of the settling pond 16;
the top end of the sedimentation tank 16 is provided with a scraper 3, the scraper 3 is hung on the guide rail 1 through a chain, and one side of the guide rail 1 is provided with a motor 2;
the scraper 3 moves back and forth on the guide rail 1;
the distance between the bottom end of the scraper 3 and the top opening of the sedimentation tank 16 is 0.5-1 cm;
a water outlet 4 is formed in the side surface of the sedimentation tank 16, and the water outlet 4 is connected with the extraction section through a conduit 5;
a screen is arranged on the water outlet 4;
the guide pipe 5 is designed to be provided with an upper opening, and the bottom of the guide pipe is provided with a magnet;
the extraction section comprises an extraction tank 15, and a conduit 5 is connected with the upper part of the extraction tank 15 and a water outlet 4;
an extracting agent adding pipe 9 is arranged in the extraction tank 15, the top end of the extracting agent adding pipe 9 extends out of the extraction tank 15, the extracting agent adding pipe 9 is a cake-shaped spray head 4, and small holes are uniformly formed in the upper part of the spray head 4;
the top end of the extracting agent adding pipe 9 is provided with an extracting agent inlet 6;
a water sample outlet pipe 10 is arranged at the bottom of the extraction tank 15, and a canning section is arranged at the end part of the water sample outlet pipe 10;
the canning section is characterized in that the end part of the water sample outlet pipe 10 is connected with a rectangular sample outlet disc 11, the sample outlet disc 11 is provided with a water outlet head 13, and the bottom of the water outlet head 13 is provided with a rubber head 12;
the upper part of the extraction tank 15 is provided with an extractant circulating pipe 7, the bottom end of the circulating pipe 7 is connected with the upper part of the extraction tank 15, the other end of the circulating pipe 7 is connected with an extractant inlet 6, and the circulating pipe 7 is provided with a circulating pump 8.
During the use, pour the water sample of gathering from the sewage source into sedimentation tank 16, start motor 1, drive scraper blade 3 through guide rail 1 and move, scrape away light material and foam etc. that float on the surface of water, the floater is followed the baffle and is gone out sedimentation tank 16, after 2-3 hours of stewing, opens delivery port 4, and the water sample is after the filtration of screen cloth, enters into the extraction jar along pipe 5, and metal solids such as iron in the water sample are adsorbed by the magnet bottom plate of pipe 5. After the water sample enters the extraction pipe 15, the extractant is added from the extractant inlet 6, reaches the bottom along the addition pipe 9, and is sprayed out from the small hole on the spray head 14. The water sample from the conduit is from top to bottom, the extracting agent from the spray head is from bottom to top, the two are fully contacted, the extraction efficiency is increased, in the extraction process, in order to obtain higher extraction efficiency, the circulating pump 8 can be started, and the solution containing a large amount of extracting agent on the upper layer of the extraction tank is further circulated. After extraction, the valve of the water sample outlet pipe 10 is opened, the water sample enters the sample outlet plate 11, and enters the sample container such as a volumetric flask, a test tube and the like through the water outlet head 13 and the rubber head. The design of the sampling head 13 meets the purpose that a sample is conveniently added into a narrow-neck container, and the rubber head 12 can be freely rotated by an angle, so that canning is convenient.
The system that this application provided can satisfy the pretreatment process of the sewage sample in laboratory, goes out most impurity in the water sample, can improve the rate of accuracy of test heavy metal ion.
Claims (5)
1. A sewage sample treatment system for an environment detection laboratory is characterized by comprising a settling section, an extraction section and a canning section;
the settling section comprises a settling tank (16) with an opening at the upper part, and a guide plate (17) is arranged on one side of the opening of the settling tank (16); the top end of the sedimentation tank (16) is provided with a scraper (3), the scraper (3) is hung on the guide rail (1) through a chain, and one side of the guide rail (1) is provided with a motor (2); a water outlet (4) is formed in the side surface of the sedimentation tank (16), and the water outlet (4) is connected with the extraction section through a conduit (5); a screen is arranged on the water outlet (4);
the extraction section comprises an extraction tank (15), and a conduit (5) is connected with the upper part of the extraction tank (15) and the water outlet (4); a water sample outlet pipe (10) is arranged at the bottom of the extraction tank (15), and a canning section is arranged at the end part of the water sample outlet pipe (10);
the canning section for water sample exit tube (10) end connection rectangle go out appearance dish (11), go out appearance dish (11) and be provided with water outlet head (13), water outlet head (13) bottom is rubber head (12).
2. The sewage sample treatment system for the environment detection laboratory according to claim 1, wherein the distance between the bottom end of the scraper (3) and the top opening of the sedimentation basin (16) is 0.5-1 cm.
3. The effluent sample treatment system for environmental testing laboratory according to claim 1 wherein said conduit (5) is of upper open design and has a magnet at the bottom.
4. The sewage sample treatment system for the environmental detection laboratory according to claim 1, wherein an extractant adding pipe (9) is arranged inside the extraction tank (15), the top end of the extractant adding pipe (9) extends out of the extraction tank (15), the extractant adding pipe (9) is a circular cake-shaped nozzle (14), and small holes are uniformly formed in the upper portion of the nozzle (14).
5. The sewage sample treatment system for the environmental detection laboratory according to claim 1, wherein an extractant circulating pipe (7) is arranged at the upper part of the extraction tank (15), the bottom end of the circulating pipe (7) is connected with the upper part of the extraction tank (15), the other end of the circulating pipe is connected with the extractant inlet (6), and a circulating pump (8) is arranged on the circulating pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020989586.XU CN212621771U (en) | 2020-06-02 | 2020-06-02 | Sewage sample treatment system for environment detection laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020989586.XU CN212621771U (en) | 2020-06-02 | 2020-06-02 | Sewage sample treatment system for environment detection laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212621771U true CN212621771U (en) | 2021-02-26 |
Family
ID=74722638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020989586.XU Expired - Fee Related CN212621771U (en) | 2020-06-02 | 2020-06-02 | Sewage sample treatment system for environment detection laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212621771U (en) |
-
2020
- 2020-06-02 CN CN202020989586.XU patent/CN212621771U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |