CN213875082U - Embedded sampling tube of undercurrent artificial wetland - Google Patents
Embedded sampling tube of undercurrent artificial wetland Download PDFInfo
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- CN213875082U CN213875082U CN202022653606.9U CN202022653606U CN213875082U CN 213875082 U CN213875082 U CN 213875082U CN 202022653606 U CN202022653606 U CN 202022653606U CN 213875082 U CN213875082 U CN 213875082U
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Abstract
The utility model discloses a pre-buried sampling tube of undercurrent constructed wetland, it includes: sampling tube, pre-buried tube; the upper end of the embedded pipe is open, the interior of the embedded pipe is divided into a plurality of sampling sections by a plurality of intersegment sealing and separating structures from top to bottom, and the pipe wall of each sampling section is provided with a through hole; the internode sealing and separating structure comprises a diaphragm and a sealing ring; the upper end of the sampling tube is opened, the interior of the tube body of the sampling tube is divided into a plurality of cavities with the same number as the sampling sections by vertical clapboards, and the tube wall of each cavity is provided with a water inlet hole corresponding to the sampling section; the outer diameter of the body of the sampling pipe is slightly smaller than the inner diameter of the embedded pipe, the embedded pipe is embedded in the wetland, the sampling pipe can be inserted into the embedded pipe when the states of water layers of the wetland are required to be surveyed, then the wetland water samples of each layer are obtained by taking out the sampling pipe, and instrument sensor probes can be inserted into each cavity from the top of the sampling pipe to measure the physicochemical information of temperature, salinity, oxidation-reduction potential and the like of each layer.
Description
Technical Field
The utility model relates to an exploration instrument field especially relates to a sampling tube for wetland exploration.
Background
The artificial wetland is a treatment technology capable of biochemically treating sewage, and the principle of the artificial wetland is that an ecological system formed by soil, cultivated aquatic plants and microorganisms attached to fillers is utilized to absorb and decompose organic carbon pollutants and nutritional pollutants containing nitrogen and phosphorus in domestic sewage. The method has the characteristics of good treatment effect, convenient operation, maintenance and management, low construction and operation cost and the like, and is widely applied to regions with relatively rich land resources for treating domestic sewage, thereby protecting the ecological environment. The subsurface flow wetland is an artificial wetland type which is adopted more frequently, and is an artificial landscape which takes aquatic or hygrophyte as surface greening material and sand soil as filler and leads water to permeate and filter naturally. In the engineering application process of the subsurface flow wetland, water samples at different positions and depths of sewage in the constructed wetland pool body need to be collected and analyzed under many conditions, so that the wetland condition is analyzed and surveyed, and the removal path of pollutants in the wetland pool body is further researched. However, because the water body of the subsurface flow wetland is positioned in the wetland matrix bed, the water sampling is difficult, and the current modes mainly include matrix excavation, water quality collection wells beside the pond body or water pumping equipment for pumping water at different depths, so that the modes are not only low in efficiency, but also certain damage can be caused to the wetland matrix and the wetland ecology, and the real-time monitoring of the water quality conditions at different depths can not be realized.
Disclosure of Invention
For solving the above-mentioned problem that prior art and device exist, the utility model provides a pre-buried sampling tube of undercurrent constructed wetland, include: sampling tube, pre-buried tube; the upper end of the embedded pipe is open, a plurality of through holes are distributed on the pipe wall of the embedded pipe, the interior of the embedded pipe is divided into a plurality of sampling sections by a plurality of intersegment sealing and separating structures from top to bottom, and each intersegment sealing and separating structure comprises a diaphragm and a sealing ring; the upper end of the sampling tube is opened, the interior of the body of the sampling tube is divided into a plurality of cavities with the number equal to that of the embedded tube sections by vertical clapboards, and the tube wall of each cavity is provided with a water inlet; the outer diameter of the sampling tube body is smaller than the inner diameter of the embedded tube.
Preferably, the lower end of the sampling tube body is a cone or a hemisphere.
Preferably, after the sampling tube is inserted into the embedded tube and the relative positions of the sampling tube and the embedded tube are fixed, the water inlet hole of each cavity is respectively communicated with one sampling section of the embedded tube.
Preferably, the diaphragm and the sealing ring are made of non-water-absorbing elastic materials, two or more seams intersecting at the central point are arranged at the central part of the diaphragm, the middle part of the sealing ring is provided with a hole, and the aperture of the sealing ring is slightly smaller than the outer diameter of the sampling tube body.
Preferably, the difference between the inner diameter of the embedded pipe and the outer diameter of the sampling pipe body is 0.5-2 cm.
Preferably, the inner diameter of the embedded pipe is 3-10 cm, and the outer diameter of the sampling pipe body is 2-9 cm.
Preferably, the bottom of the embedded pipe is provided with a base, the base is provided with a positioning groove, and the shape of the positioning groove is matched with the tail end of the lower part.
The utility model discloses a bury the buried pipe in the wetland, can use the sampling tube to insert the buried pipe and wait to take out after the water flows in when needing to survey each water layer state of wetland, obtain the wetland water sample of each layer, the simple operation is high-efficient, does not influence wetland matrix, animal and plant and whole wetland ecology yet; the instrument sensor probes are inserted into the cavities from the top of the sampling pipe, so that the physicochemical information such as temperature, salinity, oxidation-reduction potential and the like of each layer can be measured, the use is convenient, the wetland structure is not damaged, and the survey can be carried out at any time; the sampling tube can be arranged in the embedded tube for a long time, and instruments such as a probe, a sensor and the like can be arranged in each cavity from the top of the sampling tube, so that the real-time monitoring of the layered water quality and water condition of the wetland can be realized.
Drawings
Fig. 1 is a schematic diagram of a buried pipe structure.
FIG. 2 is a schematic view of the sampling tube structure.
FIG. 3 is a top view of the sampling tube.
Figure 4 is a top view of the diaphragm.
Fig. 5 is a top view of the seal ring.
In the figure: 1. pre-burying a pipe; 2. a sampling tube; 12. a sampling section; 13. a through hole; 14. an internode sealing and separating structure; 15. a base; 21. a water inlet hole; 22. a partition plate; 23. a cavity; 24. a lower end; 141. a diaphragm; 142. and (5) sealing rings.
Detailed Description
Example 1
As shown in fig. 1 to 5, an embodiment of the present invention comprises: a sampling tube 2 and a pre-buried tube 1; the upper end of the embedded pipe 1 is opened, the lower end of the embedded pipe can be opened and closed, and the lower end of the embedded pipe 1 is embedded and fixed in the wetland substrate when in use; the height of the embedded pipe can be adjusted according to the depth of the wetland, and the embedded pipe is close to or slightly exceeds the depth of the wetland water body, so that wetland water samples of all depths can be sampled.
The pipe wall of the embedded pipe 1 is distributed with a plurality of through holes 134, the interior of the embedded pipe is divided into a plurality of sampling sections 12 by a plurality of intersegment sealing separation structures 14 from top to bottom, the specific number of the sections can be selected according to the depth of the wetland and the sampling precision of a water sample, and the number of the sections is 4 in the embodiment;
the internode sealing and separating structure 14 includes a diaphragm 141 and a sealing ring 142 which are arranged up and down, the diaphragm 141 and the sealing ring 142 are made of non-water-absorbing elastic materials, such as waterproof rubber, silica gel and the like, and are fixed on the inner wall of the embedded pipe, and the specific mode can adopt but is not limited to: a groove is formed in the inner wall of the embedded pipe, and the edges of the diaphragm 141 and the sealing ring 142 are embedded into the groove and firmly bonded by waterproof glue; the central part of the diaphragm 141 is provided with two or more than two seams which are intersected at the central point, the embodiment is an inverted Y-shaped 3 thin seams, when the sampling tube is not inserted into the pre-buried tube, the seams are tightly closed due to the elasticity of the diaphragm 141, so that the water bodies of the upper sampling section and the lower sampling section are not communicated, the sampling tube is inserted into the pre-buried tube and passes through the seams, and the seams can be tightly attached to the outer wall of the sampling tube due to the elasticity of the diaphragm 141, so that the upper sampling section and the lower sampling section are still in a closed state; the sealing ring 142 is annular, the middle part of the sealing ring is provided with a hole, the aperture of the sealing ring is slightly smaller than the outer diameter of the tube body of the sampling tube 2, the sampling tube is inserted into the embedded tube, the hole in the middle part of the sealing ring 142 is tightly attached to the outer wall of the sampling tube due to elastic deformation, and the tightness between the upper sampling section and the lower sampling section is further improved; therefore, the diaphragm 141 and the sealing ring 142 jointly play a role of segmenting the inside of the embedded pipe up and down and also jointly play a role of supporting and fixing the pipe body of the sampling pipe; the width of the ring of the sealing ring 142 is generally not more than 3cm, and too wide can reduce the strength of the sealing ring 142, thereby affecting the supporting effect on the sampling tube.
The upper end of the sampling tube 2 is opened, so that instruments such as probes, sensors and the like can conveniently enter; the outer diameter of the body of the sampling tube 2 is smaller than the inner diameter of the embedded tube 1, so that the sampling tube can be conveniently inserted into the embedded tube; the inside of the sampling tube 2 body is divided into a plurality of cavities 23 with the number equal to that of the embedded tube sections by vertical clapboards 22, the cross section of each clapboard is cross-shaped in the embodiment, the inside of the sampling tube 2 body is divided into four cavities, and the number of the cavities is consistent with that of the embedded tube sampling sections 12; the pipe wall of each cavity 23 is equipped with inlet opening 21, after sampling tube 2 inserted pre-buried pipe 1 and both relative positions are fixed, each cavity 23 communicates a sampling festival 12 of pre-buried pipe 1 respectively through the inlet opening, cavity 23 of sampling tube 2 and the sampling festival 12 one-to-one of pre-buried pipe 1 promptly, the inlet opening height difference between each cavity 23 for water in a sampling festival 12 can only get into a sampling tube cavity 23 through the inlet opening 21 that corresponds, just so realized the layering sampling of different degree of depth water. When the states of all water layers of the wetland need to be surveyed, the sampling tube 2 is inserted into the embedded tube 1, the water is taken out after flowing into the sampling tube 2, and therefore the wetland water samples of all the layers are obtained.
The lower end 24 of the sampling tube body is a cone or hemisphere, in this embodiment a cone, to facilitate insertion of the sampling tube through the slit in the center of the septum 141 and the hole in the middle of the sealing ring 142, and into the soil. In this embodiment, the internal diameter of embedded pipe 1 is 8cm, and the external diameter of 2 body bodys of sampling tube is 6.5 cm.
The bottom of the embedded pipe 1 is provided with a base 15, the base 15 is provided with a positioning groove, after the sampling pipe 2 is inserted into the embedded pipe 1, the tail end 24 of the lower part of the sampling pipe is embedded into the positioning groove on the base 15, and the shape of the positioning groove is matched with the tail end 24 of the lower part, so that the sampling pipe 2 is supported and positioned.
After the sampling tube 2 is inserted into the embedded tube 1, the top end of the sampling tube can be preferably exposed out of the water surface, so that instruments such as probes, sensors and the like can be conveniently arranged into the cavities 23 from the top of the sampling tube 2, and if the sampling tube 2 is arranged in the embedded tube for a long time, the real-time monitoring of the layered water quality and water condition of the wetland can be realized, and the later-stage replacement and maintenance of the instruments are facilitated.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, such as adding a cover with a central receptacle to the pre-buried tube, the receptacle aperture being equal to the outer diameter of the sampling tube, thereby achieving more accurate positioning of the sampling tube 2 and other optimization schemes, and the scope of the invention is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a pre-buried sampling tube of undercurrent constructed wetland which characterized in that: the method comprises the following steps: sampling tube, pre-buried tube; the upper end of the embedded pipe is open, the interior of the embedded pipe is divided into a plurality of sampling sections by a plurality of intersegment sealing and separating structures from top to bottom, and the pipe wall of each sampling section is provided with a through hole; the internode sealing and separating structure comprises a diaphragm and a sealing ring; the upper end of the sampling tube is opened, the interior of the body of the sampling tube is divided into a plurality of cavities with the number equal to that of sampling sections of the embedded tube by vertical clapboards, and the tube wall of each cavity is provided with a water inlet; the outer diameter of the sampling tube body is smaller than the inner diameter of the embedded tube.
2. The embedded sampling tube of the subsurface flow constructed wetland according to claim 1, which is characterized in that: the tail end of the lower part of the sampling tube body is a cone or a hemisphere.
3. The embedded sampling tube of the subsurface flow constructed wetland according to claim 2, characterized in that: after the sampling tube is inserted into the embedded tube and the relative positions of the sampling tube and the embedded tube are fixed, each cavity is respectively communicated with one sampling joint of the embedded tube through a water inlet hole.
4. The embedded sampling tube of the subsurface flow constructed wetland according to claim 3, characterized in that: the diaphragm and the sealing ring are made of non-water-absorbing elastic materials, two or more seams intersecting at the central point are arranged at the central part of the diaphragm, the middle part of the sealing ring is provided with a hole, and the aperture of the sealing ring is slightly smaller than the outer diameter of the body of the sampling tube.
5. The embedded sampling tube of the subsurface flow constructed wetland according to claim 4, characterized in that: the difference value between the inner diameter of the embedded pipe and the outer diameter of the sampling pipe body is 0.5-2 cm.
6. The embedded sampling tube of the subsurface flow constructed wetland according to claim 5, characterized in that: the inner diameter of the embedded pipe is 3-10 cm, and the outer diameter of the sampling pipe body is 2-9 cm.
7. The embedded sampling tube of the subsurface flow constructed wetland according to claim 6, characterized in that: the bottom of the embedded pipe is provided with a base, the base is provided with a positioning groove, and the shape of the positioning groove is matched with the tail end of the lower part.
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CN202022653606.9U CN213875082U (en) | 2020-11-17 | 2020-11-17 | Embedded sampling tube of undercurrent artificial wetland |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114921260A (en) * | 2022-04-07 | 2022-08-19 | 上海中域石油化工有限公司 | Method for refining mineral tar and gas discharge machine thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114921260A (en) * | 2022-04-07 | 2022-08-19 | 上海中域石油化工有限公司 | Method for refining mineral tar and gas discharge machine thereof |
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