CN116147991B - Water environment pollution sampling device - Google Patents
Water environment pollution sampling device Download PDFInfo
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- CN116147991B CN116147991B CN202310409144.1A CN202310409144A CN116147991B CN 116147991 B CN116147991 B CN 116147991B CN 202310409144 A CN202310409144 A CN 202310409144A CN 116147991 B CN116147991 B CN 116147991B
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of water pollution sampling, in particular to a water environment pollution sampling device. The utility model provides a water environment pollution sampling device includes sampling mechanism, sampling mechanism includes flexible cloth, first connecting pipe, at least one sampling box, at least one second connecting pipe and at least one pneumatic valve. The sampling box is arranged on the flexible cloth, and comprises an inner membrane and an outer membrane, a first cavity is formed between the inner membrane and the outer membrane, and a second cavity is formed inside the inner membrane. At least one first connecting port is formed in the first connecting pipe, each second connecting pipe is arranged on one outer membrane, each first connecting port is connected to one second connecting pipe, each air pressure valve is arranged on one outer membrane, and the air pressure valves penetrate through the outer membrane and the inner membrane and are communicated with the second cavity, so that the problems of inaccurate sampling precision and inconvenience in use and storage of an existing water sampling device are solved.
Description
Technical Field
The invention relates to the technical field of water pollution sampling, in particular to a water environment pollution sampling device.
Background
The water pollution sampling, also called water pollution sampling, refers to the process of extracting water samples from polluted water quality according to a specified method and a certain proportion. The water sample is detected and analyzed to determine relevant water quality parameters including the water pollution degree, the pollutant type and content, etc. to guide production and reduce water pollution.
Water pollution refers to pollution to a body of water. If the pollutant is not treated to remove harmful substances, the pollutant is directly or indirectly discharged into water, so that water quality pollution is caused and environmental degradation is caused. For this reason, it is important to analyze and detect water pollution, and this is not the case for sampling the quality of polluted water. The data obtained by the water quality sample can divide the pollution level of the water quality of the whole river basin, and can take corresponding measures to reduce pollution.
For example, the Chinese patent with the publication number of CN115219284B provides a hydrologic monitoring sampling device, a monitoring method and a sampling method, which show that the real-time monitoring of water quality at different depths can be realized by installing a monitoring probe, and the water body can be independently sampled at different depths. The method can also continuously monitor the target area, monitor different depths of the water body in real time under the condition of not damaging the water body environment, judge the pollution trend and trend of the water body very easily, analyze better measures to treat the water pollution, and simultaneously, can meet the fixed-depth sampling of the water body, avoid the disturbance of the water body in the sampling process and reduce the occurrence of sampling errors.
Most of the existing water sampling devices are of rigid structures, when the deeper water environment needs to be continuously sampled, the sampling devices are too long and are inconvenient to use and store, and the sampling devices of some flexible structures are easily disturbed by water, so that deflection occurs in water and the sampling precision is affected.
Disclosure of Invention
The invention provides a water environment pollution sampling device, which aims to solve the problems that the existing water sampling device influences sampling precision and is inconvenient to use and store.
The invention relates to a water environment pollution sampling device which adopts the following technical scheme: the sampling device comprises a sampling mechanism, wherein the sampling mechanism comprises flexible cloth, a first connecting pipe, at least one sampling box, at least one second connecting pipe and at least one air pressure valve; the flexible cloth can be rolled, the sampling box is arranged on the flexible cloth and comprises an inner film and an outer film, the outer film is arranged outside the inner film, a first cavity is formed between the inner film and the outer film, a second cavity is formed inside the inner film, and the inner film and the outer film are made of soft materials; the first connecting pipe extends along the winding direction of the flexible cloth, and at least one first connecting port is formed in the first connecting pipe; each second connecting pipe is arranged on one outer film, passes through the outer film and is communicated with the first cavity, each first connecting port is connected to one second connecting pipe, and the first connecting pipes and the second connecting pipes are hoses; each air pressure valve is arranged on one outer membrane, passes through the outer membrane and the inner membrane and is communicated with the second cavity;
when the sampling box is positioned in a water body, the air in the first connecting pipe is ventilated by an external air pump, air enters the first cavity through the second connecting pipe, negative pressure is formed in the second cavity at the moment, the air pressure valve is opened after being pressed, and external liquid is sucked into the second cavity; after the sampling is finished, the flexible cloth is pulled to take out the sampling box from the water body, and the liquid in the sampling box is extruded in an extrusion mode.
Further, the water environment pollution sampling device also comprises a cleaning mechanism, the cleaning mechanism comprises a third connecting pipe and at least one fourth connecting pipe, the third connecting pipe extends along the winding direction of the flexible cloth, and at least one second connecting port is formed in the third connecting pipe; each fourth connecting pipe is arranged on one outer membrane, passes through the outer membrane and the inner membrane and is communicated with the second cavity, and each second connecting port is connected to one fourth connecting pipe; introducing clear water into the third connecting pipe by means of an external water pump, enabling the clear water to enter the second cavity through the fourth connecting pipe, and enabling the clear water to be used for cleaning the second cavity.
Further, the water environment pollution sampling device also comprises a supporting mechanism, wherein the supporting mechanism comprises a plurality of supporting plates and two connecting components, and the two adjacent supporting plates are mutually hinged; the two connecting components are parallel to each other, and each connecting component comprises a first zipper, a second zipper and a zipper head; the first zipper is fixedly arranged on the supporting plate and extends along the length direction of the supporting plate; the second zipper is fixedly arranged on one side of the flexible cloth and extends along the length direction of the flexible cloth; the zipper heads are arranged on the supporting plate, the supporting plate can move relative to the zipper heads, and the first zipper and the second zipper are buckled with the zipper heads.
Further, the water environment pollution sampling device further comprises a winding mechanism, the winding mechanism comprises a supporting frame and two winding drums, the supporting frame is arranged on the ground, the winding drums are arranged on the supporting frame, the winding drums can rotate around the axes of the winding drums, the supporting plates are wound on one winding drum, and the flexible cloth is wound on the other winding drum.
Further, one side of the flexible cloth, which is close to the supporting plate, is provided with at least one first magic tape, one side of each sampling box is provided with a second magic tape, and each second magic tape and one first magic tape are adhered to each other.
Further, torsion springs are installed at the hinged positions of the support plates and the adjacent support plates, and the torsion springs can enable the support plates to be in the same straight line.
Further, a part of the first zipper is tightly attached to the supporting plate, a gap is reserved at the hinge joint of the first zipper and the supporting plate, and interference is generated on rotation of the supporting plate by the first zipper when the supporting plate rotates.
Further, a collection box is mounted on the support frame and used for collecting liquid collected from the sampling box.
Further, the sampling box comprises a first side face and a second side face, the first side face is close to the supporting plate and parallel to the supporting plate, the second side face is perpendicular to the first side face, the second magic tape is located on the first side face, and the first connecting pipe, the second connecting pipe, the third connecting pipe, the fourth connecting pipe and the air pressure valve are located on the second side face of the sampling box.
Further, the inner membrane and the outer membrane are made of rubber materials.
The beneficial effects of the invention are as follows: according to the sampling device for water environment pollution, the sampling mechanism is arranged, so that the length of the sampling mechanism can be adjusted according to water with different depths during sampling, and the operation is convenient. The sampling mechanism is flexible material, adopts the extruded mode to collect the sample water after the sampling mechanism sample, and is comparatively convenient, and after the winding of sampling mechanism, the volume is less, is convenient for deposit.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic structural diagram of an embodiment of a sampling device for water environmental pollution according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a supporting mechanism of a water environment pollution sampling device according to another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a sampling mechanism of a sampling device for water environmental pollution according to another embodiment of the present invention;
FIG. 4 is an exploded view of a sampling mechanism of a sampling device for water environmental pollution according to another embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a sampling box of a sampling device for water environmental pollution according to another embodiment of the present invention;
FIG. 6 is a front view of a sampling box of a sampling device for water environmental pollution according to another embodiment of the present invention;
FIG. 7 is a cross-sectional view at A-A of FIG. 6;
FIG. 8 is a cross-sectional view at B-B in FIG. 6;
fig. 9 is a cross-sectional view at C-C in fig. 6.
In the figure: 100. a support mechanism; 110. a support plate; 121. a first zipper; 122. a second zipper; 130. a slider of a slide fastener; 200. a sampling mechanism; 210. a flexible cloth; 211. a first magic tape; 220. a sampling box; 221. an outer membrane; 222. an inner membrane; 223. a first cavity; 224. a second cavity; 225. a second connection pipe; 226. an air pressure valve; 227. a fourth connection pipe; 231. a first connection pipe; 232. and a third connection pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of a water environmental pollution sampling device according to the present invention, as shown in fig. 1 to 9, includes a sampling mechanism 200, where the sampling mechanism 200 includes a flexible cloth 210, a first connection pipe 231, a sampling box 220, a second connection pipe 225, and an air pressure valve 226. The flexible cloth 210 can be rolled up, the sampling box 220 is arranged on the flexible cloth 210, the sampling box 220 comprises an inner membrane 222 and an outer membrane 221, the outer membrane 221 is arranged outside the inner membrane 222, a first cavity 223 is formed between the inner membrane 222 and the outer membrane 221, a second cavity 224 is formed inside the inner membrane 222, and the inner membrane 222 and the outer membrane 221 are made of soft materials. The first connection pipe 231 extends along the winding direction of the flexible cloth 210, and a first connection port is formed on the first connection pipe 231. The second connection pipe 225 is disposed on the outer film 221, the second connection pipe 225 passes through the outer film 221 and communicates with the first cavity 223, the first connection port is connected to the second connection pipe 225, and the first connection pipe 231 and the second connection pipe 225 are hoses. The air pressure valve 226 is provided on the outer film 221, and the air pressure valve 226 passes through the outer film 221 and the inner film 222 and communicates with the second cavity 224. When the sampling box 220 is in the water body, the air is ventilated into the first connecting pipe 231 by the external air pump, the air enters the first cavity 223 through the second connecting pipe 225, at the moment, the second cavity 224 is formed with negative pressure, the air pressure valve 226 is opened after being pressed, and the external liquid is sucked into the second cavity 224. After the sampling is finished, the flexible cloth 210 is pulled to take out the sampling box 220 from the water body, and the liquid in the sampling box 220 is extruded in an extrusion mode.
In some other embodiments, the sampling cartridge 220, the second connecting tube 225, and the pneumatic valve 226 of the sampling mechanism 200 are all multiple. The plurality of sampling boxes 220 are disposed on the flexible cloth 210, and the plurality of sampling boxes 220 are uniformly distributed along the winding direction of the flexible cloth 210. The first connection pipe 231 may have a plurality of first connection ports, and the plurality of first connection ports are uniformly distributed along the axial direction of the first connection pipe 231. Each first connection port is connected to a second connection pipe 225, and each air pressure valve 226 is disposed on an outer membrane 221.
In another embodiment, the water environmental pollution sampling device further includes a cleaning mechanism, the cleaning mechanism includes a third connecting pipe 232 and a fourth connecting pipe 227, the third connecting pipe 232 extends along the winding direction of the flexible cloth 210, and a second connecting port is provided on the third connecting pipe 232. The fourth connection pipe 227 is disposed on the outer film 221, the fourth connection pipe 227 passes through the outer film 221 and the inner film 222 and communicates with the second cavity 224, and the second connection port is connected to the fourth connection pipe 227. Clean water is introduced into the third connecting pipe 232 by means of an external water pump, and enters the second cavity 224 through the fourth connecting pipe 227, and the clean water is used for cleaning the second cavity 224.
The residue inside the sampling box 220 is cleaned by injecting clean water into the second cavity 224 and then squeezing and draining, so that the influence of the current sampling on the next sampling is avoided. In some other embodiments, the cleaning mechanism has a plurality of fourth connecting pipes 227, and the third connecting pipe 232 may be provided with a plurality of second connecting ports, where each fourth connecting pipe 227 is disposed on one outer membrane 221, and each second connecting port is connected to one fourth connecting pipe 227.
In another embodiment, the water environment pollution sampling device further comprises a supporting mechanism 100, wherein the supporting mechanism 100 comprises a plurality of supporting plates 110 and two connecting assemblies, and two adjacent supporting plates 110 are hinged to each other. The two coupling assemblies are parallel to each other, each coupling assembly including a first zipper 121, a second zipper 122 and a slider 130. The first zipper 121 is fixedly disposed on the support plate 110, and the first zipper 121 extends along a length direction of the support plate 110. The second zipper 122 is fixedly provided at one side of the flexible cloth 210, and the second zipper 122 extends along the length direction of the flexible cloth 210. The slider 130 is disposed on the support plate 110, and the support plate 110 is capable of moving relative to the slider 130, and the first zipper 121 and the second zipper 122 are fastened to each other with the slider 130. As the support plate 110 and the flexible cloth 210 move downward in the body of water, the first zipper 121 and the second zipper 122 are caused to pass through the slider 130, thereby connecting the support plate 110 and the flexible cloth 210 together. When the support plate 110 and the flexible cloth 210 are moved upward with respect to the roll, the first and second zippers 121 and 122 are moved upward with respect to the slider 130, and the first and second zippers 121 and 122 are unzipped, and the support plate 110 and the flexible cloth 210 are separated. The sampling mechanism 200 is not easy to be disturbed by water body through the arranged supporting plate 110, so that the sampling mechanism 200 is not easy to deflect in water, and the sampling precision is ensured.
In another embodiment, the water environment pollution sampling device further comprises a winding mechanism, the winding mechanism comprises a supporting frame and two winding drums, the supporting frame is arranged on the ground, the winding drums are arranged on the supporting frame, the winding drums can rotate around the axes of the supporting frames, the supporting plates 110 are wound on one winding drum, and the flexible cloth 210 is wound on the other winding drum. During sampling, the ends of the support plate 110 and the flexible cloth 210 are pulled out from the two reels, and the support mechanism 100 and the sampling mechanism 200 are continuously pulled down to submerge the sampling cartridge 220 to a corresponding depth. When the sampling is completed, the drum is rotated to recover the supporting mechanism 100 and the sampling mechanism 200, the plurality of sampling cartridges 220 are extruded during the winding process, and the water collected by the sampling cartridges 220 is extruded. The slider 130 is fixedly disposed on the support frame, the slider 130 is kept stationary, and the first and second zippers 121 and 122 are moved downward with respect to the slider 130.
In another embodiment, a first magic tape 211 is disposed on one side of the flexible cloth 210 near the supporting plate 110, and a second magic tape is disposed on one side of the sampling box 220, and the second magic tape and the first magic tape 211 are adhered to each other. By providing the first and second velcro tapes 211 and 211, the sampling cartridge 220 is easily detached when the sampling cartridge 220 is broken. And the first magic tape 211 and the second magic tape are flexible materials, when the sampling box 220 is rolled up, the rolling of the sampling box 220 can not be influenced by the first magic tape 211 and the second magic tape.
In some other embodiments, a plurality of first velcro strips 211 are provided on a side of the flexible cloth 210 adjacent to the support plate 110, and one second velcro strip is provided on a side of each sampling box 220, and each second velcro strip and one first velcro strip 211 are adhered to each other.
In another embodiment, torsion springs are installed at the hinge of the support plate 110 and the adjacent support plate 110, and the torsion springs enable the plurality of support plates 110 to be in the same line. When the support plate 110 is wound on the winding drum, a certain included angle is formed between the support plate 110 and the adjacent support plate 110, and the torsion spring stores force. When the support plates 110 are separated from the winding drum, the two adjacent support plates 110 are positioned on the same straight line under the action of the torsion spring.
In another embodiment, only a portion of the first zipper 121 is closely attached to the support plate 110, and a gap is provided between the hinge of the first zipper 121 and the support plate 110 to prevent the first zipper 121 from interfering with the rotation of the support plate 110 when the support plate 110 is rotated, so that the first zipper 121 does not interfere with the winding of the support plate 110 when the support plate 110 is wound on a drum, and abrasion of the first zipper 121 is reduced during repeated winding and unwinding.
In another embodiment, a collection cartridge is mounted on the support frame for collecting liquid collected from the sampling cartridge 220. The plurality of sampling cartridges 220 are squeezed during the rolling process, and the water collected by the sampling cartridges 220 is squeezed into the collection cartridge waiting for inspection.
In another embodiment, the sampling box 220 includes a first side and a second side, the first side is adjacent to the support plate 110 and parallel to the support plate 110, the second side is perpendicular to the first side, the second velcro is positioned on the first side, and the first connection pipe 231, the second connection pipe 225, the third connection pipe 232, the fourth connection pipe 227, and the air pressure valve 226 are positioned on the second side of the sampling box 220. When the flexible cloth 210 is wound, the first connecting pipe 231, the second connecting pipe 225, the third connecting pipe 232, the fourth connecting pipe 227 and the air pressure valve 226 are arranged on the winding drum, so that the sampling box 220 can be wound in the winding drum more tightly. And the fourth connection pipe 227 and the second connection pipe 225 are disposed at an upper and lower interval to prevent interference from being generated when the fourth connection pipe 227 and the second connection pipe 225 are respectively operated.
In another embodiment, the inner membrane 222 and the outer membrane 221 are made of rubber, which increases the service life of the sampling cartridge 220 as the sampling cartridge 220 is continuously rolled and unrolled.
The working process comprises the following steps: in an initial state, the flexible cloth 210 and the plurality of sampling cartridges 220 are tightly wound on the drum. The spool position is adjusted so that the support plate 110 is facing the direction of water flow. The ends of the support panel 110 and the flexible cloth 210 are pulled out from the two rolls and the first zipper 121 and the second zipper 122 are passed through the slider 130, thereby connecting the support panel 110 and the flexible cloth 210 together.
The support mechanism 100 and sampling mechanism 200 are continued to be pulled down, the support mechanism 100 and sampling mechanism 200 are placed into the body of water, and the sampling cartridge 220 is submerged to the corresponding depth. The first cavity 223 of each sampling cartridge 220 is inflated through the first connection pipe 231 and the second connection pipe 225 so that the portion of the sampling cartridge 220 wound out from the roll is supported. Since the first cavity 223 is filled with air, the second cavity 224 is at this time negative pressure, and the air pressure valve 226 is opened after being pressed, so that the external liquid is sucked into the second cavity 224.
The winding drum is rotated to drive the supporting plate 110 and the flexible cloth 210 to move upwards, the supporting plate 110, the flexible cloth 210 and the sampling boxes 220 are wound, the sampling boxes 220 are extruded in the winding process, and water collected by the sampling boxes 220 is extruded into the collecting boxes to wait for inspection.
The sampling cassette 220, which has just been sampled, is wound out from the drum again, and clean water is injected into the second cavity 224 through the third connection pipe 232 and the fourth connection pipe 227 and is extruded, so that the inside of the sampling cassette 220 is cleaned. Specifically, the sampling cartridge 220 may be squeezed by a manual operation, or the sampling cartridge 220 may be tightly wound around a drum by rotating the drum to squeeze out water in the sampling cartridge 220.
The sampling cassette 220 which is always wound on the winding drum without taking part in sampling is not inflated when the first connection pipe 231 inflates the respective first cavities 223, and the sampling cassette 220 which is not taking part in sampling is not inflated when the third connection pipe 232 injects clear water into the second cavity 224, because of the relatively tight winding.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a water environment pollutes sampling device which characterized in that: the device comprises a sampling mechanism, a pressure sensor and a control unit, wherein the sampling mechanism comprises flexible cloth, a first connecting pipe, at least one sampling box, at least one second connecting pipe and at least one air pressure valve; the flexible cloth can be rolled, the sampling box is arranged on the flexible cloth and comprises an inner film and an outer film, the outer film is arranged outside the inner film, a first cavity is formed between the inner film and the outer film, a second cavity is formed inside the inner film, and the inner film and the outer film are made of soft materials; the first connecting pipe extends along the winding direction of the flexible cloth, and at least one first connecting port is formed in the first connecting pipe; each second connecting pipe is arranged on one outer film, passes through the outer film and is communicated with the first cavity, each first connecting port is connected to one second connecting pipe, and the first connecting pipes and the second connecting pipes are hoses; each air pressure valve is arranged on one outer membrane, passes through the outer membrane and the inner membrane and is communicated with the second cavity; the water environment pollution sampling device also comprises a supporting mechanism, wherein the supporting mechanism comprises a plurality of supporting plates and two connecting components, and the two adjacent supporting plates are mutually hinged; the two connecting components are parallel to each other, and each connecting component comprises a first zipper, a second zipper and a zipper head; the first zipper is fixedly arranged on the supporting plate and extends along the length direction of the supporting plate; the second zipper is fixedly arranged on one side of the flexible cloth and extends along the length direction of the flexible cloth; the zipper heads are arranged on the supporting plate, the supporting plate can move relative to the zipper heads, and the first zipper and the second zipper are buckled with the zipper heads; the water environment pollution sampling device also comprises a winding mechanism, the winding mechanism comprises a support frame and two winding drums, the support frame is arranged on the ground, the winding drums are arranged on the support frame, the winding drums can rotate around the axes of the winding drums, a plurality of support plates are wound on one winding drum, and flexible cloth is wound on the other winding drum; when the sampling box is positioned in a water body, the air in the first connecting pipe is ventilated by an external air pump, air enters the first cavity through the second connecting pipe, negative pressure is formed in the second cavity at the moment, the air pressure valve is opened after being pressed, and external liquid is sucked into the second cavity; after the sampling is finished, the winding drum is rotated, the supporting mechanism and the sampling mechanism are recycled, the flexible cloth is pulled to take out the sampling box from the water body, the sampling box is extruded in the rolling process, and the water collected by the sampling box is extruded.
2. The water environmental pollution sampling device of claim 1, wherein: the cleaning mechanism comprises a third connecting pipe and at least one fourth connecting pipe, the third connecting pipe extends along the winding direction of the flexible cloth, and at least one second connecting port is formed in the third connecting pipe; each fourth connecting pipe is arranged on one outer membrane, passes through the outer membrane and the inner membrane and is communicated with the second cavity, and each second connecting port is connected to one fourth connecting pipe; introducing clear water into the third connecting pipe by means of an external water pump, enabling the clear water to enter the second cavity through the fourth connecting pipe, and enabling the clear water to be used for cleaning the second cavity.
3. The water environmental pollution sampling device of claim 2, wherein: one side that the flexible cloth is close to the backup pad is provided with at least one first magic subsides, and one side of every sampling box is provided with a second magic subsides, and every second magic subsides and a first magic subsides are mutual bonding.
4. The water environmental pollution sampling device of claim 1, wherein: the torsional springs are installed at the hinging positions of the supporting plates and the adjacent supporting plates, and the torsional springs can enable the supporting plates to be positioned on the same straight line.
5. A water environmental pollution sampling device according to claim 3, wherein: a part of the first zipper is tightly attached to the supporting plate, a gap is reserved at the hinge joint of the first zipper and the supporting plate, and interference is generated on rotation of the supporting plate by the first zipper when the supporting plate is prevented from rotating.
6. The water environmental pollution sampling device of claim 4, wherein: the collecting box is arranged on the supporting frame and is used for collecting liquid collected from the sampling box.
7. A water environmental pollution sampling device according to claim 3, wherein: the sampling box comprises a first side face and a second side face, the first side face is close to the supporting plate and parallel to the supporting plate, the second side face is perpendicular to the first side face, the second magic tape is located on the first side face, and the first connecting pipe, the second connecting pipe, the third connecting pipe, the fourth connecting pipe and the air pressure valve are located on the second side face of the sampling box.
8. The water environmental pollution sampling device of claim 1, wherein: the inner membrane and the outer membrane are made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310409144.1A CN116147991B (en) | 2023-04-18 | 2023-04-18 | Water environment pollution sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310409144.1A CN116147991B (en) | 2023-04-18 | 2023-04-18 | Water environment pollution sampling device |
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| CN116147991A CN116147991A (en) | 2023-05-23 |
| CN116147991B true CN116147991B (en) | 2023-07-21 |
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| CN117250052B (en) * | 2023-10-17 | 2024-02-13 | 水研未来(北京)环境工程技术有限公司 | Sewage pretreatment sampling device |
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