CN109752216B - Undercurrent constructed wetland water sample collection system - Google Patents
Undercurrent constructed wetland water sample collection system Download PDFInfo
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- CN109752216B CN109752216B CN201910074769.0A CN201910074769A CN109752216B CN 109752216 B CN109752216 B CN 109752216B CN 201910074769 A CN201910074769 A CN 201910074769A CN 109752216 B CN109752216 B CN 109752216B
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Abstract
The invention provides a water sample collecting device for an underflow artificial wetland, which comprises a drill bit, wherein the drill bit is connected with a sleeve, a U-shaped water taking pipe is fixed in the sleeve, the wall of the sleeve is provided with a plurality of through holes, and a filter screen is arranged on the through holes; a straight pipe of the U-shaped water taking pipe is provided with a plurality of water inlet holes which are in one-to-one correspondence with the positions of the through holes, and a communicating pipe is arranged between each through hole and the corresponding water inlet hole; a rubber plug is inserted into the communicating pipe; one end of the rubber plug, which faces the opening of the sleeve, is provided with threads, and the side wall of the communicating pipe is provided with a threaded connector; one end of the rubber plug with the thread extends to the opening direction of the sleeve to form a rotary lifting rod; a water taking piston is arranged on the U-shaped water taking pipe; the arc-shaped bottom of the U-shaped water taking pipe is provided with a one-way valve. Water sample collection system has avoided traditional water sample collection excavation or the loaded down with trivial details process of setting up water sample collection well, convenient operation easily carries, can realize the fixed point and go deep into the wetland cell body after, according to the difference of inlet opening position, accomplishes the water sample collection of arbitrary degree of depth.
Description
Technical Field
The invention relates to the field of environmental engineering, in particular to a water sample collecting device for an underflow artificial wetland.
Background
The artificial wetland is a wetland system which is built by simulating the structure and the function of a natural wetland system and can be controlled to operate, is used for treating polluted water, and comprises an enclosure structure, artificial media, aquatic plants and the like. In recent years, a great deal of research is carried out on artificial wetlands, and the artificial wetlands are applied to the field of sewage treatment, so that good engineering application effects are achieved. However, in the engineering application process, under many circumstances, water samples need to be collected and analyzed at different positions and depths of sewage in the constructed wetland pool body, and then the removal path of pollutants in the wetland pool body is researched. But because the water body in the subsurface flow wetland is positioned in the wetland matrix bed, the water sample collection is difficult. The traditional method for excavating the matrix or preparing the water quality collecting well beside the pool body wastes time and labor, and the excavation can also cause certain damage to the wetland matrix and plants.
Disclosure of Invention
In order to solve the technical problems, the invention provides a water sample collecting device for an subsurface flow constructed wetland, which avoids the time-consuming, labor-consuming and complex processes of traditional water sample collecting and excavating or setting a water sample collecting well, is convenient to operate and easy to carry, can realize that after a fixed point is deeply inserted into a wetland pool body, water sample collecting at any depth is completed according to different positions of water inlet holes, and is convenient and rapid.
The technical scheme of the invention is as follows:
a water sample collecting device for an underflow artificial wetland comprises a drill bit, wherein the drill bit is connected with a sleeve, and the tail end of the drill bit is connected with one end of the sleeve;
a U-shaped water taking pipe is fixed in the sleeve, the arc-shaped bottom of the U-shaped water taking pipe faces the drill bit, and openings at two ends of the U-shaped water taking pipe face the other end of the sleeve;
the sleeve wall is provided with a plurality of through holes, and filter screens are arranged on the through holes;
a straight pipe of the U-shaped water taking pipe is provided with a plurality of water inlet holes which are in one-to-one correspondence with the positions of the through holes, a communicating pipe is arranged between each through hole and the corresponding water inlet hole, and two ends of each communicating pipe are respectively connected with the edge of the through hole and the edge of the water inlet hole;
a position difference is arranged between the plurality of communicating pipes in the axial direction of the sleeve;
a rubber plug is inserted into the communicating pipe, and two ends of the rubber plug respectively face two ends of the sleeve and are in interference fit with the inner wall of the communicating pipe;
one end, facing the opening of the sleeve, of the rubber plug is provided with threads, the side wall of the communicating pipe is provided with a threaded interface, and the rubber plug is in threaded connection with the threaded interface;
one end of the rubber plug provided with the thread extends to the direction of the opening of the sleeve to form a rotary lifting rod, and the rotary lifting rod exceeds the opening of the sleeve;
a water taking piston is inserted in a straight pipe of the U-shaped water taking pipe, which is provided with the water inlet hole;
a one-way valve is arranged on the cross section of the pipeline at the arc bottom in the U-shaped water taking pipe, and the water outlet of the one-way valve faces to the other straight pipe of the U-shaped water taking pipe.
The through-hole, inlet opening and communicating pipe all respectively have 3, and single through-hole, inlet opening and communicating pipe that correspond are a set of water installations, total three water installations of group, three water installations of group are located respectively telescopic both ends and centre.
The drill bit is conical, and the tip of the drill bit faces downwards.
The arc-shaped bottom of the U-shaped water taking pipe is welded at the tail end of the drill bit.
A groove is formed in one side, facing the drill bit, of the communicating pipe, and an opening of the groove faces into the communicating pipe; one end of the rubber plug, which faces the drill bit, is clamped in the groove.
The length of the water taking piston is not less than the length of any straight pipe of the U-shaped water taking pipe.
The water taking piston inserted into the straight pipe of the U-shaped water taking pipe is in interference fit with the straight pipe.
The aperture of the filter screen is 4-6 mm.
And a water guide hose is arranged at the opening end of the other straight pipe opposite to the straight pipe provided with the water inlet hole on the U-shaped water taking pipe.
Handles are respectively arranged on two sides of the opening end of the sleeve.
The invention has the technical effects that:
the invention relates to a water sample collecting device for an undercurrent artificial wetland, which can be integrally divided into a drilling device, a water taking device and a water inlet device, wherein the drilling device comprises a drill bit, a sleeve and a handle on the outer side, the water taking device comprises a U-shaped water taking pipe, a water taking piston and a water guide hose inside, the water inlet device comprises a through hole (comprising a filter screen), a communicating pipe and a water inlet hole and the water inlet device comprises a rubber plug, a threaded connector and a rotary lifting rod.
Undercurrent constructed wetland water sample collection system, simple structure has avoided traditional water sample collection excavation or set up wasting time and energy and loaded down with trivial details process of water sample collection well during the use, and convenient operation easily carries, and can realize the fixed point and go deep into the wetland cell body after, according to the difference of inlet opening position, accomplishes the water sample collection of arbitrary degree of depth, convenient and fast.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of circle a in fig. 1 according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of circle B in fig. 1 according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of circle C in fig. 1 according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an embodiment of the present invention.
Fig. 6 is a schematic structural diagram according to an embodiment of the present invention.
FIG. 7 is a top view of an embodiment of the present invention.
Fig. 8 is a front view of an embodiment of the present invention.
In the figure, a drill bit 1; a sleeve 2; a U-shaped water taking pipe 3; a through hole 4; a filter screen 5; a water inlet hole 6; a communicating pipe 7; a rubber plug 8; a threaded interface 9; rotating the lifting rod 10; a water intake piston 11; a check valve 12; a groove 13; a water guide hose 14; a handle 15.
Detailed Description
The present invention is further illustrated by the following specific examples.
As shown in fig. 1-8, the water sample collecting device for the subsurface flow constructed wetland comprises a drill bit 1, wherein the drill bit 1 is conical, the tip of the drill bit is downward, the height of the drill bit is 5cm, and the drill bit is made of stainless steel.
The drill bit 1 is connected with a hollow sleeve 2, the sleeve 2 is made of stainless steel, the diameter is 10cm, the thickness is 0.5cm, the height is 145cm, the tail end of the drill bit 1 is connected with one end of the sleeve 2, handles 15 are respectively arranged on two sides of the opening end of the sleeve 2, and the length of each handle 15 is 20 cm; a U-shaped water taking pipe 3 made of stainless steel is fixed in the sleeve 2, the arc-shaped bottom of the U-shaped water taking pipe 3 is welded at the tail end of the drill bit 1, the diameter of the U-shaped water taking pipe 3 is 3cm, the height of the U-shaped water taking pipe 3 is 140cm, the arc-shaped bottom of the U-shaped water taking pipe 3 faces the drill bit 1, and openings at two ends of the U-shaped water taking pipe face the other end of the sleeve 2.
The wall of the sleeve 2 is provided with 3 through holes 4, the through holes 4 are provided with filter screens 5, and the aperture of each filter screen 5 is 5 mm; 3 water inlet holes 6 which are in one-to-one correspondence with the positions of the through holes 4 are arranged on a straight pipe of the U-shaped water taking pipe 3, a communicating pipe 7 is arranged between each through hole 4 and the corresponding water inlet hole 6, and two ends of each communicating pipe 7 are respectively connected with the edge of the through hole 4 and the edge of the water inlet hole 6; the 3 communicating pipes 7 are mutually provided with a position difference in the axial direction of the sleeve 2; the single through-hole 4, inlet opening 6 and communicating pipe 7 that correspond are a set of water installations, total three water installations of group, and three water installations of group are located sleeve 2's both ends and centre respectively, and 3 through-holes 4 are 10cm, 50cm and 90cm respectively apart from the distance of sleeve 2 bottom, and 3 through-holes 4's size is length 10cm, wide 5 cm.
A rubber plug 8 is inserted into the communicating pipe 7, and two ends of the rubber plug 8 respectively face two ends of the sleeve 2 and are in interference fit with the inner wall of the communicating pipe 7; one end of the rubber plug 8 facing the opening of the sleeve 2 is provided with threads, the side wall of the communicating pipe 7 is provided with a threaded interface 9, and the rubber plug 8 is in threaded connection with the threaded interface 9; a groove 13 is formed in one side, facing the drill bit 1, of the communicating pipe 7, and an opening of the groove 13 faces the communicating pipe 7; one end of the rubber plug 8 facing the drill bit 1 is clamped in the groove 13.
The rubber buffer 8 is equipped with the one end of screw thread and extends to sleeve 2 opening direction and has rotatory shadoof 10, and rotatory shadoof 10 surpasss sleeve 2 opening.
A water taking piston 11 is inserted in a straight pipe of the U-shaped water taking pipe 3 provided with a water inlet 6; the length of the water taking piston 11 is not less than the length of any straight pipe of the U-shaped water taking pipe 3, and the water taking piston 11 inserted into the straight pipe of the U-shaped water taking pipe 3 is in interference fit with the straight pipe. The open end of the other straight pipe opposite to the straight pipe provided with the water inlet 6 on the U-shaped water taking pipe 3 is provided with a water guide hose 14.
A one-way valve 12 is arranged on the cross section of the pipeline at the inner arc-shaped bottom of the U-shaped water taking pipe 3, and the water outlet of the one-way valve 12 faces to the other straight pipe of the U-shaped water taking pipe 3.
The principle and application of the invention are as follows:
the invention relates to a water sample collecting device for an undercurrent artificial wetland, which can be integrally divided into a drilling device, a water taking device and a water inlet device, wherein the drilling device comprises a drill bit, a sleeve and a handle on the outer side, the water taking device comprises a U-shaped water taking pipe, a water taking piston and a water guide hose inside, the water inlet device comprises a through hole (comprising a filter screen), a communicating pipe and a water inlet hole and the water inlet device comprises a rubber plug, a threaded connector and a rotary lifting rod.
When a wetland water sample needs to be collected, the handle is held by hand, the drill bit is aligned to the collection point, and the sleeve is made to go deep into the wetland pool body by continuously rotating the handle. After the sleeve goes deep into the wetland tank body, the corresponding rotary lifting rod is rotated according to the depth of water taking required, so that the corresponding rubber plug rises, a communicating pipe between the through hole and the water inlet hole is in a smooth state, a water sample enters the water inlet hole through the corresponding communicating pipe and then enters the U-shaped water taking pipe, when the water level in the U-shaped water taking pipe rises stably to a certain amount, the water taking piston is plugged into a straight pipe with the water inlet hole of the U-shaped water taking pipe, the collected water sample is flushed from the other straight pipe through the pressure given by the water taking piston, and the flushed water sample flows out and is collected through the water guide hose; the cross section of the pipeline at the bottom of the inner arc of the U-shaped water taking pipe 3 is provided with a check valve 12, the water outlet of the check valve 12 faces to the other straight pipe of the U-shaped water taking pipe 3, so that a water sample entering the other straight pipe of the U-shaped water taking pipe 3 cannot flow back, when the depth needs to be changed at the same sampling point, only the previous water inlet device needs to be closed, the water inlet device with the corresponding depth is opened, the water sample entering the U-shaped water taking pipe 3 is discharged by an amount larger than the volume of the U-shaped water taking pipe 3, so that the previous water sample and the newly collected water sample are prevented from being mixed, and then the water sample with the newly positioned depth can be collected in the same manner. The device has the advantages of high water taking efficiency, simple and convenient operation, low cost and easy popularization and application.
These examples are intended to illustrate the invention and are not intended to limit the scope of the invention. Further, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (8)
1. The water sample collecting device for the subsurface flow constructed wetland is characterized by comprising a drill bit (1), wherein the drill bit (1) is connected with a sleeve (2), and the tail end of the drill bit (1) is connected with one end of the sleeve (2);
a U-shaped water taking pipe (3) is fixed in the sleeve (2), the arc-shaped bottom of the U-shaped water taking pipe (3) faces the drill bit (1), and openings at two ends face the other end of the sleeve (2);
a plurality of through holes (4) are formed in the wall of the sleeve (2), and a filter screen (5) is arranged on each through hole (4);
a plurality of water inlet holes (6) which are in one-to-one correspondence with the positions of the through holes (4) are arranged on a straight pipe of the U-shaped water taking pipe (3), a communicating pipe (7) is arranged between each through hole (4) and the corresponding water inlet hole (6), and two ends of each communicating pipe (7) are respectively connected with the edge of the through hole (4) and the edge of the corresponding water inlet hole (6);
a position difference is arranged between the communicating pipes (7) in the axial direction of the sleeve (2);
a rubber plug (8) is inserted into the communicating pipe (7), and two ends of the rubber plug (8) respectively face two ends of the sleeve (2) and are in interference fit with the inner wall of the communicating pipe (7);
a thread is arranged at one end, facing the opening of the sleeve (2), of the rubber plug (8), a threaded connector (9) is arranged on the side wall of the communicating pipe (7), and the rubber plug (8) is in threaded connection with the threaded connector (9);
one end of the rubber plug (8) with threads extends to the opening direction of the sleeve (2) to form a rotary lifting rod (10), and the rotary lifting rod (10) exceeds the opening of the sleeve (2);
a water taking piston (11) is inserted into a straight pipe on which the water inlet hole (6) is arranged on the U-shaped water taking pipe (3);
a one-way valve (12) is arranged on the cross section of the pipeline at the inner arc-shaped bottom of the U-shaped water taking pipe (3), and the water outlet of the one-way valve (12) faces to the other straight pipe of the U-shaped water taking pipe (3);
the number of the through holes (4), the number of the water inlet holes (6) and the number of the communicating pipes (7) are respectively 3, the corresponding single through hole (4), the corresponding water inlet hole (6) and the corresponding communicating pipe (7) form a group of water inlet devices, three groups of water inlet devices are provided, and the three groups of water inlet devices are respectively positioned at the two ends and the middle of the sleeve (2);
a water guide hose (14) is arranged at the open end of the other straight pipe opposite to the straight pipe provided with the water inlet hole (6) on the U-shaped water taking pipe (3).
2. The subsurface flow constructed wetland water sample collection device according to claim 1, characterized in that the drill (1) is conical and the tip is downward.
3. The subsurface flow constructed wetland water sample collection device according to claim 1, characterized in that the arc-shaped bottom of the U-shaped water taking pipe (3) is welded at the tail end of the drill bit (1).
4. The subsurface flow constructed wetland water sample collection device according to claim 1, characterized in that a groove (13) is formed in one side of the communication pipe (7) facing the drill bit (1), and the opening of the groove (13) faces the inside of the communication pipe (7); one end of the rubber plug (8) facing the drill bit (1) is clamped in the groove (13).
5. The subsurface flow constructed wetland water sampling device according to claim 1, characterized in that the length of the water intake piston (11) is not less than the length of any straight pipe of the U-shaped water intake pipe (3).
6. The undercurrent artificial wetland water sample collection device according to claim 1, wherein the water taking piston (11) inserted into the straight pipe of the U-shaped water taking pipe (3) is in interference fit with the straight pipe.
7. The subsurface flow constructed wetland water sample collection device according to claim 1, characterized in that the aperture of the filter screen (5) is 4-6 mm.
8. The subsurface flow constructed wetland water sample collection device according to claim 1, characterized in that handles (15) are respectively arranged on two sides of the open end of the sleeve (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910074769.0A CN109752216B (en) | 2019-01-25 | 2019-01-25 | Undercurrent constructed wetland water sample collection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910074769.0A CN109752216B (en) | 2019-01-25 | 2019-01-25 | Undercurrent constructed wetland water sample collection system |
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| CN109752216B true CN109752216B (en) | 2021-07-16 |
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| CN115824720B (en) * | 2023-02-17 | 2023-04-21 | 北京中联勘工程技术有限责任公司 | Underground water sample taking device and method for engineering geological investigation |
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