CN110595839A - Liquid sampler with adjustable sampling depth - Google Patents
Liquid sampler with adjustable sampling depth Download PDFInfo
- Publication number
- CN110595839A CN110595839A CN201910956631.3A CN201910956631A CN110595839A CN 110595839 A CN110595839 A CN 110595839A CN 201910956631 A CN201910956631 A CN 201910956631A CN 110595839 A CN110595839 A CN 110595839A
- Authority
- CN
- China
- Prior art keywords
- liquid
- booster
- plug valve
- way plug
- depth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
Abstract
The invention discloses a liquid sampler with adjustable sampling depth, which comprises a booster (1), wherein the tail part of the booster (1) is connected with an upper pipe orifice of a first three-way plug valve (2), a lower pipe orifice of the first three-way plug valve (2) is connected with an upper pipe joint of a sample liquid storage bin (3), a lower pipe joint of the sample liquid storage bin (3) is connected with an upper pipe orifice of a second three-way plug valve (4), an upper pipe orifice of the second three-way plug valve (4) is connected with an upper end orifice of a liquid sampling conduit (5), the outer wall of the liquid sampling conduit (5) is sleeved with a depth positioning buoy (6), and a lower end orifice of the liquid sampling conduit (5) is provided with a spherical air plug (7). The invention has the advantages that: the submarine sediment is not stirred when having realized the sampling, and the sample depth is adjustable, and the sample is accurate, and simple structure, and is novel unique, and the manufacturing of being convenient for, the sexual valence relative altitude conveniently carries, places easy operation, excellent in use effect.
Description
Technical Field
The invention belongs to the technical field of water pollution treatment and detection equipment, and particularly relates to a liquid sampler with adjustable sampling depth.
Background
In recent years, water resources and water pollution have become highly studied by researchers, and one of the key problems closely watched by the public. Wherein, water sampling is the crucial and indispensable first ring in water quality testing and research process, and the follow-up research link that just can be better is got to the corresponding required representative water sample of accurate unmistakable.
HJ/T91-2002 technical Specification for surface and sewage monitoring also stipulates a series of sampling requirements, and notes that the depth of a sampling point is determined according to the water depth, and particularly, the sediment at the bottom of the water cannot be stirred during sampling. However, due to the structural design problem, the sampler sold in the market at present does not have the function of accurately measuring the sampling depth, so that the sampling depth is different from the requirement. Even if the requirement of sampling depth is considered, the working principle of some liquid samplers is complex, and the technical requirement on workers is high. Chinese patent document CN106940260A discloses a liquid sampler in 2017, 7, 11, which comprises a sampler main body, wherein the bottom of the sampler main body is provided with a through hole, the through hole is sealed by a lower cover, and the lower cover is provided with a groove body protruding downwards; the top of sample thief main part is equipped with the gas pocket, and the gas pocket is sealed through the upper cover, and the upper cover is equipped with prevents floating the post, prevents floating the post and passes inside the gas pocket gets into sample thief main part, and its bottom is located the top of cell body. This patent adopts the pressure differential principle to sample, and during the collection water sample, through applying different atmospheric pressure to sample thief main part inner chamber, combines the weight of sample thief itself, makes the sample thief be less than liquid pressure in the main part internal pressure of appointed liquid level department, and the lower cover is broken away and is moved inside the sample thief main part, blocks through preventing floating the post, can gather required degree of depth liquid sample, prevents that other liquid level liquid sample from participating in the sample thief. The disadvantages are that: the liquid sampler is complex in operation, has high requirements on the technology and knowledge storage capacity of workers, and is easy to cause the error of sampling depth due to the error of theoretical pressure and actual pressure; and the common liquid sampler can only meet the sampling of a shallow depth; or the sampler is long and inconvenient to carry; thereby creating certain limitations.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a liquid sampler with adjustable sampling depth, which does not stir underwater sediments during sampling, and has adjustable sampling depth and accurate sampling.
The technical problem to be solved by the invention is realized by the technical scheme that the booster comprises a booster, the tail part of the booster is connected with an upper pipe orifice of a first three-way plug valve, a lower pipe orifice of the first three-way plug valve is connected with an upper pipe joint of a sample liquid storage bin, a lower pipe joint of the sample liquid storage bin is connected with an upper pipe orifice of a second three-way plug valve, an upper pipe orifice of the second three-way plug valve is connected with an upper port of a liquid sampling conduit, the outer wall of the liquid sampling conduit is sleeved with a depth positioning buoy, and a lower port of the liquid sampling conduit is provided with a spherical air plug.
The ball air plug can be opened by the aid of the booster combined with the valve switch of the first three-way plug valve in a rotating way; the booster is matched with the valve switch of the first three-way plug valve to rotate, so that the internal gas discharge of the sample liquid is realized, the sample liquid is sucked, and the sample liquid is stored in the sample liquid storage bin; the booster is matched with the valve switch of the second three-way plug valve for transposition, and can extrude sample liquid to an externally connected sampling tube; in addition, the depth positioning buoy can accurately limit the sampling depth, and the sampling depth is adjusted by adjusting the position of the depth positioning buoy on the liquid production guide pipe.
Compared with the prior art, the invention has the advantages that:
the submarine sediment is not stirred when having realized the sampling, and the sample depth is adjustable, and the sample is accurate, and simple structure, and is novel unique, and the manufacturing of being convenient for, the sexual valence relative altitude conveniently carries, places easy operation, excellent in use effect.
Drawings
The drawings of the invention are illustrated as follows:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a three-way plug valve.
In the figure, 1, a booster; 11. a booster handle; 2. a first three-way stopcock; 21. a valve switch; 22. an upper pipe orifice; 23. a lower pipe orifice; 24. a side pipe orifice; 3. a sample liquid storage bin; 4. a second three-way stopcock; 5. a liquid collecting conduit; 6. a depth positioning buoy; 7. a spherical air plug; 71. a fixed seat; 72. a spherical air plug; 73. a string.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
in this patent application, for the purpose of clearly describing each component and the positional relationship, the terms of orientation such as "upper", "lower" and "side" are used, and these terms of orientation are referred to the arrangement position of the above drawings.
As shown in figure 1, the invention comprises a booster 1, the tail part of the booster 1 is connected with an upper pipe orifice of a first three-way plug valve 2, a lower pipe orifice of the first three-way plug valve 2 is connected with an upper pipe joint of a sample liquid storage bin 3, a lower pipe joint of the sample liquid storage bin 3 is connected with an upper pipe orifice of a second three-way plug valve 4, an upper pipe orifice of the second three-way plug valve 4 is connected with an upper port of a liquid sampling guide pipe 5, the outer wall of the liquid sampling guide pipe 5 is sleeved with a depth positioning buoy 6, and a lower port of the liquid sampling guide pipe 5 is provided with a spherical air plug.
The booster is equivalent to a booster of a medical injector, and the booster 1 is provided with capacity scales; the booster handle 11 is arranged in the booster, and the tail part of the booster is provided with an external screw thread so as to be convenient for connecting the first three-way plug valve 2. The first three-way plug valve 2 and the second three-way plug valve 4 have the same structure, as shown in fig. 2, the three-way plug valve has a valve switch 21, an upper pipe opening 22, a lower pipe opening 23 and a side pipe opening 24, and the valve switch 21 is a 360-degree rotary switch. The sample liquid storage bin 3 is transparent, the inner wall of the sample liquid storage bin is provided with capacity scales, the pipe joint at the upper part of the sample liquid storage bin is bent into a proper angle which is about 135 degrees, and the push-pull booster handle 11 is convenient to push and pull. The pipe wall of the liquid collecting guide pipe 5 is provided with length scales, and the length of each pipe is 50 cm; the liquid extraction guide pipes 5 are connected in series, the number of the liquid extraction guide pipes is determined according to the sampling depth, and the guide pipes are connected through screws.
The depth positioning buoy 6 is made of a floating solid material and can float on the water surface, and the depth positioning buoy 6 is fixed at the corresponding length position of the liquid collecting conduit 5 according to the sampling depth so as to accurately limit the sampling depth of the spherical air plug 7 falling into the water. The spherical air plug 7 comprises a fixed seat 71, a spherical air plug 72 and a string 73, the upper port of the fixed seat is connected with the tail end of the liquid collecting conduit 5, the spherical air plug 72 is plugged at the lower port of the fixed seat 71, one end of the string 73 is connected to the fixed seat 71, and the other end of the string 73 is connected to the spherical air plug 72. The spherical air plug 72 ensures that the sample liquid with the corresponding depth is accurately collected during sampling, and the sample liquid with the non-sampling depth is prevented from permeating when the sampler is put down; the string 73 is used to cover the spherical air plug 72 and prevent the spherical air plug 72 from falling.
The connection parts of the booster 1, the first three-way plug valve 2, the sample liquid storage bin 3, the second three-way plug valve 4, the liquid collection conduit 5 and the spherical air plug 7 are all provided with sealing rubber rings for sealing, so that the vacuum environment is kept in the booster.
The using method of the invention comprises the following steps:
1. discharging the internal air:
11) rotating a valve switch 21 of the second three-way plug valve 4, closing a side pipe orifice 24, and communicating an upper pipe orifice 22 with a lower pipe orifice 23;
12) rotating a valve switch 21 of the first three-way plug valve 2, closing a side pipe orifice 24, and communicating an upper pipe orifice 22 with a lower pipe orifice 23;
13) the sphere air plug 72 is plugged into the fixed seat 71;
14) pulling out the booster handle 11 to the topmost position of the booster 1;
15) rotating a valve switch 21 of the first three-way plug valve 2, closing a lower pipe orifice 23, and communicating an upper pipe orifice 22 with a side pipe orifice 24;
16) and pushing the booster handle 11 to the lowermost end of the booster 1 to discharge the internal air from the side nozzle 24. Then, the steps of 12), 14), 15) and 16) are repeated until all the internal air is exhausted.
2. Sampling:
21) fixing the depth positioning buoy 6 at the corresponding scale position of the liquid collecting guide pipe 5 according to the required sampling depth requirement, and then putting the liquid collecting guide pipe 5 into the sampling liquid to ensure that the depth positioning buoy 6 is just suspended on the surface of the sampling liquid;
22) the booster handle 11 is pulled out to the topmost position of the booster 1, the valve switch 21 of the first three-way plug valve 2 is rotated at the moment, the side pipe orifice 24 is closed, the upper pipe orifice 22 and the lower pipe orifice 23 are communicated, then the booster handle 11 is pushed to the bottommost end of the booster 1, and the spherical air plug 72 is separated from the fixed seat 71;
23) pulling the booster handle 11 to the topmost end of the booster 1;
24) rotating the valve switch 21 of the first three-way plug valve 2 again, closing the lower pipe orifice 23, communicating the upper pipe orifice 22 with the side pipe orifice 24, and then pushing the booster handle 11 to the bottommost end of the booster 1 to discharge air in the booster 1 from the side pipe orifice 24;
25) rotating a valve switch 21 of the first three-way plug valve 2, closing a side pipe orifice 24, communicating an upper pipe orifice 22 with a lower pipe orifice 23, pulling out a booster handle 11 to the topmost position of the booster 1, and collecting sample liquid into a sample liquid storage bin 3; then, the steps of 24) and 25) are repeated until the required volume of sample liquid is obtained.
3. Sample liquid receiving:
the valve switch 21 of the second three-way plug valve 4 is rotated, the lower pipe orifice 23 is closed, the upper pipe orifice 22 and the side pipe orifice 24 are communicated, the side pipe orifice 24 of the second three-way plug valve 4 is placed on the sampling pipe, the booster handle 11 is pushed to the bottommost end of the booster 1, and the sample liquid is discharged into the sampling pipe.
Claims (8)
1. A liquid sampler with adjustable sampling depth is characterized in that: including boost motor (1), the top tube mouth of first three way plug valve (2) of boost motor (1) afterbody connection, the top tube coupling of storehouse (3) is stored to the lower mouth of pipe connection appearance liquid of first three way plug valve (2), the top tube mouth of pipe of second three way plug valve (4) is connected to the lower mouth of pipe of storehouse (3) is stored to appearance liquid, the top end mouth of liquid sampling pipe (5) is connected to the top tube mouth of second three way plug valve (4), liquid sampling pipe (5) outer wall cover has degree of depth location buoy (6), the lower port of liquid sampling pipe (5) is equipped with spheroid air plug end cap (7).
2. The adjustable sampling depth liquid sampler as recited in claim 1, wherein: the connection parts of the booster (1), the first three-way plug valve (2), the sample liquid storage bin (3), the second three-way plug valve (4), the liquid collection guide pipe (5) and the spherical air plug (7) are all provided with sealing rubber rings for sealing.
3. The adjustable sampling depth liquid sampler as claimed in claim 1 or 2, wherein: the booster is characterized in that the booster (1) is provided with capacity scales, a booster handle (11) is arranged in the booster, and the tail of the booster is provided with an external screw thread for connecting a first three-way plug valve (2).
4. The adjustable sampling depth liquid sampler as recited in claim 3, wherein: the valve switches (21) of the first three-way plug valve (2) and the second three-way plug valve (4) are 360-degree rotary switches.
5. The adjustable sampling depth liquid sampler as recited in claim 4, wherein: the sample liquid storage bin (3) is transparent, the inner wall of the sample liquid storage bin is provided with capacity scales, and a pipe joint at the upper part of the sample liquid storage bin is bent into a proper angle.
6. The adjustable sampling depth liquid sampler as recited in claim 5, wherein: the pipe wall of the liquid collecting guide pipe (5) is provided with length scales, and the length of each scale is 50 cm; a plurality of liquid-collecting guide pipes (5) are connected in series, and the guide pipes are connected by screws.
7. The adjustable sampling depth liquid sampler as recited in claim 6, wherein: the depth positioning buoy (6) is made of easily-floating solid materials.
8. The adjustable sampling depth liquid sampler as recited in claim 7, wherein: the spherical air plug (7) comprises a fixed seat (71), a spherical air plug (72) and a string (73), the upper end opening of the fixed seat is connected with the tail end of the liquid collecting conduit (5), the lower end opening of the fixed seat (71) is plugged by the spherical air plug (72), one end of the string (73) is connected to the fixed seat (71), and the other end of the string (73) is connected to the spherical air plug (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910956631.3A CN110595839A (en) | 2019-10-10 | 2019-10-10 | Liquid sampler with adjustable sampling depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910956631.3A CN110595839A (en) | 2019-10-10 | 2019-10-10 | Liquid sampler with adjustable sampling depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110595839A true CN110595839A (en) | 2019-12-20 |
Family
ID=68866030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910956631.3A Pending CN110595839A (en) | 2019-10-10 | 2019-10-10 | Liquid sampler with adjustable sampling depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110595839A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110296932A1 (en) * | 2010-06-08 | 2011-12-08 | Institute Of Nuclear Energy Research Atomic Energy Council, Executive Yuan | Apparatus and method for sampling underwater radioactive solution |
| CN102507264A (en) * | 2011-09-28 | 2012-06-20 | 北京市水利科学研究所 | Underwater fixed horizon sampling device and method |
| CN204214680U (en) * | 2014-12-05 | 2015-03-18 | 刘春成 | A kind of sampling of water quality pick-up unit |
| CN107014643A (en) * | 2017-05-31 | 2017-08-04 | 中国工程物理研究院材料研究所 | One kind is used for different depth radioactive liquid sample sampler in container |
| CN107356725A (en) * | 2017-08-07 | 2017-11-17 | 农业部环境保护科研监测所 | Plug-in type original position soil leaching solution collection device |
| CN109916669A (en) * | 2019-04-26 | 2019-06-21 | 浙江海洋大学 | A kind of underwater sample collecting device and its method of sampling |
| CN110002902A (en) * | 2019-03-27 | 2019-07-12 | 重庆大学 | A kind of rural toilet of burning system fertilizer |
-
2019
- 2019-10-10 CN CN201910956631.3A patent/CN110595839A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110296932A1 (en) * | 2010-06-08 | 2011-12-08 | Institute Of Nuclear Energy Research Atomic Energy Council, Executive Yuan | Apparatus and method for sampling underwater radioactive solution |
| CN102507264A (en) * | 2011-09-28 | 2012-06-20 | 北京市水利科学研究所 | Underwater fixed horizon sampling device and method |
| CN204214680U (en) * | 2014-12-05 | 2015-03-18 | 刘春成 | A kind of sampling of water quality pick-up unit |
| CN107014643A (en) * | 2017-05-31 | 2017-08-04 | 中国工程物理研究院材料研究所 | One kind is used for different depth radioactive liquid sample sampler in container |
| CN107356725A (en) * | 2017-08-07 | 2017-11-17 | 农业部环境保护科研监测所 | Plug-in type original position soil leaching solution collection device |
| CN110002902A (en) * | 2019-03-27 | 2019-07-12 | 重庆大学 | A kind of rural toilet of burning system fertilizer |
| CN109916669A (en) * | 2019-04-26 | 2019-06-21 | 浙江海洋大学 | A kind of underwater sample collecting device and its method of sampling |
Non-Patent Citations (1)
| Title |
|---|
| 张千: "固体碳源生物膜反应器的脱氮性能及机理研究", 《中国给水排水》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2020103141A4 (en) | Depth-adjustable and continuous water sampling device | |
| CN104502158A (en) | Soil gas sampling system | |
| CN101118201B (en) | Rarefaction sludge sampler | |
| CN110595839A (en) | Liquid sampler with adjustable sampling depth | |
| CN212134230U (en) | Water layering collection system | |
| CN213456259U (en) | Novel portable air bag pump for underground water sampling | |
| CN111474317B (en) | Lake water quality monitoring system | |
| CN211999703U (en) | Sampling device of dry-type anaerobic reactor | |
| CN204855213U (en) | Depthkeeping piston water sampling ware | |
| CN208621376U (en) | A kind of environmental monitoring water-quality sampler | |
| CN206906120U (en) | A kind of degasser | |
| CN116165022A (en) | Underground water sampling and detecting integrated mobile equipment | |
| CN206848001U (en) | A kind of water-quality sampler | |
| CN216284576U (en) | Soil eluviation mud-water separation device | |
| CN112816250B (en) | Environment water quality sampler for environment protection monitoring | |
| CN209117398U (en) | A kind of methane liquid sampler | |
| CN106840772B (en) | Mud device is got to controllable sampling depth of extraction formula | |
| CN215865974U (en) | Novel automatic layering of groundwater undisturbed sampling device | |
| CN108645657A (en) | A kind of undisturbed sediment sampler | |
| CN215985336U (en) | Environment-friendly detection sampling device | |
| CN213481812U (en) | Sampling device for food detection | |
| CN205138836U (en) | Automatic suction filter of soil solution with function fetches earth | |
| CN110530680B (en) | Portable sewage collection system for detecting environmental pollution | |
| CN210665133U (en) | Automatic encapsulation mud sampler | |
| CN209820831U (en) | Water quality layered sampler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20221018 |