CN109632390B - Groundwater layered sampling device and sampling method - Google Patents
Groundwater layered sampling device and sampling method Download PDFInfo
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- CN109632390B CN109632390B CN201910080202.4A CN201910080202A CN109632390B CN 109632390 B CN109632390 B CN 109632390B CN 201910080202 A CN201910080202 A CN 201910080202A CN 109632390 B CN109632390 B CN 109632390B
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- 238000005070 sampling Methods 0.000 title claims abstract description 157
- 239000003673 groundwater Substances 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 claims description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- G01N1/16—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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
Abstract
The invention discloses a groundwater layered sampling device and a sampling method, wherein the device comprises two vertical edges and three sampling tubes, and the three sampling tubes respectively penetrate through a limiting fixed ring structure and are inserted into the upper connecting ring; the front surfaces of the three sampling pipes are provided with scale marks; the limiting fixed ring structure is arranged at the upper part of the upper connecting ring; the water pump bolt is arranged at the front part of the left side of the upper surface of the limiting fixed ring structure; one end of the assembly hose is connected with the right flange of the water pump, and the other end of the assembly hose is sleeved on the upper part of the first sampling tube; the protective shell is arranged at the rear part of the left side of the upper surface of the limiting and fixing ring structure; the storage battery is embedded in the protective shell; the switch is inlaid on the upper surface of the protective shell; the sampling collecting head structure is arranged at the left side of the water pump; the filtering protection head structures are respectively arranged on the lower surfaces of the three sampling tubes; the invention can solve the problems that the existing underground water layered sampling device is inconvenient to adjust and sample, inconvenient to collect residual water and has no filtering function.
Description
Technical Field
The invention belongs to the technical field of sampling devices, and particularly relates to an underground water layered sampling device and a sampling method.
Background
The invention relates to an underground water sampling technique, which is a core for underground water monitoring, but because of the existence of a relatively impermeable layer in a stratum structure, underground water is layered along with the stratum structure, indexes and composition components of each layer of water are different, so that layered sampling is needed, mixed doping is avoided, and the result analysis is not really lost, and the invention is named as an underground water layered sampling device according to the Chinese patent publication number CNCN201420132604.7, which comprises a sampling tube, n pumping hoses, n gaskets and at least n connecting rods, wherein n is more than or equal to 1, at least n cannula holes are arranged on the gaskets, the diameters of the gaskets correspond to the diameters of the sampling tube, the gaskets are arranged in the sampling tube at intervals along the axial direction of the sampling tube, the gaskets are connected up and down through the connecting rods, so that the sampling tube is divided into n+1 spaces, one end of the 1 st pumping hose sequentially passes through 1 inserting hole on n gaskets from top to bottom, then is provided with a filter head, one end of the 2 nd pumping hose sequentially passes through 1 inserting hole on n-1 gaskets above from top to bottom, then is provided with a filter head, one end of the 3 rd pumping hose sequentially passes through 1 inserting hole on n-2 gaskets above from top to bottom, then is provided with a filter head until one end of the n th pumping hose passes through 1 inserting hole on the uppermost gasket, then is provided with a filter head, gaps between the pumping hose and the walls of the inserting holes of the gaskets are sealed by using an adhesive, and unused empty inserting holes on all gaskets are sealed by using sealing plugs, when the other ends of all pumping hoses are used, the other ends of all pumping hoses are connected with a pumping pump, the pipes at positions corresponding to the clay layers are real pipes, the pipe at the position corresponding to the sand layer is a flower pipe.
However, the existing underground water layer sampling device has the problems that the adjustment and sampling are inconvenient, the residual water is inconvenient to collect and the filtering function is not realized.
Therefore, it is necessary to provide a groundwater layered sampling device.
Disclosure of Invention
In order to solve the technical problems, the invention provides a groundwater layered sampling device, which aims to solve the problems that the existing groundwater layered sampling device is inconvenient to adjust and sample, inconvenient to collect residual water and has no filtering function.
The technical scheme of the invention is as follows:
the underground water layered sampling device comprises an upper connecting ring, a first vertical edge, a second vertical edge, a lower connecting ring, a first sampling tube, a second sampling tube, a third sampling tube, scale marks, a limiting fixed ring structure, a water pump, an assembly hose, a protective shell, a storage battery, a switch, a sampling collecting head structure and a filtering protecting head structure, wherein the upper ends of the first vertical edge and the second vertical edge are respectively mounted on the left side and the right side of the front and the rear surfaces of the upper connecting ring through bolts, and the lower ends of the first vertical edge and the second vertical edge are respectively mounted on the left side and the right side of the front and the rear surfaces of the lower connecting ring through bolts; the first sampling tube, the second sampling tube and the third sampling tube respectively penetrate through the limiting fixing ring structure and are inserted into the upper connecting ring; the scale marks are respectively carved on the front surfaces of the first sampling tube, the second sampling tube and the third sampling tube; the limiting fixed ring structure is arranged at the upper part of the upper connecting ring; the water pump bolt is arranged at the front part of the left side of the upper surface of the limiting and fixing ring structure; one end of the assembly hose is connected with the right flange of the water pump, and the other end of the assembly hose is sleeved on the upper part of the first sampling tube; the protective shell is arranged at the rear part of the left side of the upper surface of the limiting and fixing ring structure; the storage battery is embedded in the protective shell; the switch is inlaid on the upper surface of the protective shell; the sampling collecting head structure is arranged at the left side of the water pump; the filtering protection head structure is respectively arranged on the lower surfaces of the first sampling tube, the second sampling tube and the third sampling tube; the limiting and fixing ring structure comprises a supporting disc, a first positioning lantern ring, a second positioning lantern ring, a third positioning lantern ring, a reinforcing edge and a positioning bolt, wherein the supporting disc is welded at the upper end of the upper connecting ring; the first positioning lantern ring, the second positioning lantern ring and the third positioning lantern ring are respectively welded at the left side, the right side and the middle part of the upper surface of the supporting disc; the reinforcing edges are welded on the peripheries of the lower parts of the outer walls of the first positioning lantern ring, the second positioning lantern ring and the third positioning lantern ring respectively; the positioning bolts are respectively in threaded connection with the peripheries of the upper parts of the outer walls of the first positioning lantern ring, the second positioning lantern ring and the third positioning lantern ring.
Preferably, the sampling collecting head structure comprises a bending pipe, a connecting flange, a control valve, an upright head, a placing plate and a collecting box, wherein the connecting flange is inlaid at the right lower part of the bending pipe and is connected with the left side of the water pump through bolts; the control valve is connected to the left side of the lower surface of the bending pipe in a threaded manner; the vertical head is welded on the right side of the lower surface of the bent pipe, and the lower end of the vertical head is welded with a placing plate.
Preferably, the filtering protection head structure comprises a first assembling flange, a second assembling flange, assembling bolts, assembling nuts, a first filtering cover and a second filtering cover, wherein the first assembling flange is welded on the lower surfaces of the first sampling pipe, the second sampling pipe and the third sampling pipe respectively; the assembly bolts respectively penetrate through the first assembly flange and the second assembly flange, and the lower part of the outer wall is in threaded connection with an assembly nut; the first filter cover and the second filter cover are welded on the lower surface of the second assembly flange respectively, and the first filter cover is arranged in the second filter cover.
Preferably, the support disc is a stainless steel disc, and the first positioning lantern ring, the second positioning lantern ring and the third positioning lantern ring are respectively embedded in the support disc.
Preferably, the first positioning collar, the second positioning collar and the third positioning collar are respectively inserted with a first sampling tube, a second sampling tube and a third sampling tube, and are fixed through positioning bolts.
Preferably, the four positioning bolts are arranged, and the inner sides of the positioning bolts are respectively contacted with the outer walls of the first positioning lantern ring, the second positioning lantern ring and the third positioning lantern ring.
Preferably, the left side of the bending pipe is sealed by a control valve, and the right side of the bending pipe is connected with the left end of the water pump by a connecting flange.
Preferably, the collecting box is a stainless steel box and is placed on the left side of the upper surface of the placing plate.
Preferably, the standing head and the placing plate form an L shape.
Preferably, the first filter cover and the second filter cover are respectively stainless steel covers, and the apertures of the first filter cover and the second filter cover are respectively set to be one millimeter to three millimeters.
Preferably, the first assembly flange and the second assembly flange are in contact with each other and are fixed by assembly bolts and assembly nuts.
Compared with the prior art, the invention has the following outstanding substantive features and remarkable progress:
1. in the invention, the supporting disc adopts the stainless steel disc, and the first positioning lantern ring, the second positioning lantern ring and the third positioning lantern ring are respectively embedded in the supporting disc, so that the supporting disc can be contacted with the ground and plays a supporting role when being installed, and meanwhile, the supporting disc is convenient to use.
2. According to the invention, the first sampling tube, the second sampling tube and the third sampling tube are respectively inserted into the first positioning sleeve ring, the second positioning sleeve ring and the third positioning sleeve ring, and are fixed through the positioning bolts, so that the positions of the first sampling tube, the second sampling tube and the third sampling tube can be moved up and down along with the fixing bolts, the fixing bolts are used for fixing the positions, and water absorption work on different positions is facilitated.
3. In the invention, the four positioning bolts are arranged, the inner sides of the positioning bolts are respectively contacted with the outer walls of the first positioning lantern ring, the second positioning lantern ring and the third positioning lantern ring, and the fixing effect of the limiting fixing ring structure is increased while the positioning bolts are fixed, so that the positioning bolts are convenient to use.
4. In the invention, the left side of the bending pipe is sealed by the control valve, and the right side of the bending pipe is connected with the left end of the water pump by the connecting flange, so that sampled water can be conveniently conveyed, and meanwhile, the flow and stop of the water can be controlled.
5. In the invention, the collecting box is a stainless steel box and is arranged on the left side of the upper surface of the placing plate, so that the liquid dripping from the control valve can be conveniently collected while the collecting box is used, and meanwhile, the waste of part of liquid is avoided.
6. In the invention, the standing head and the placing plate form an L shape, so that the collecting box and the sampling container are conveniently placed on the placing plate, and the sampling work is convenient.
7. According to the invention, the first filter cover and the second filter cover are respectively made of stainless steel, the apertures of the first filter cover and the second filter cover are respectively set to be one millimeter to three millimeters, and when the filter is used, a large amount of sundries can be prevented from entering the first sampling pipe, the second sampling pipe or the third sampling pipe, and the sampling work is influenced.
8. In the invention, the first assembly flange and the second assembly flange are in contact with each other and are fixed through the assembly bolts and the assembly nuts, which is beneficial to conveniently installing and using the filter protection head structure.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a spacing collar structure of the present invention;
FIG. 3 is a schematic structural view of a sample collection head structure of the present invention;
fig. 4 is a schematic structural view of the filter protection head structure of the present invention.
Reference numerals illustrate: 1-upper connecting ring, 2-first vertical edge, 3-second vertical edge, 4-lower connecting ring, 5-first sampling tube, 6-second sampling tube, 7-third sampling tube, 8-scale mark, 9-limit fixed ring structure, 91-supporting disk, 92-first positioning collar, 93-second positioning collar, 94-third positioning collar, 95-reinforced edge, 96-positioning bolt, 10-water pump, 11-assembled hose, 12-protective shell, 13-storage battery, 14-switch, 15-sampling collecting head structure, 151-bending tube, 152-connecting flange, 153-control valve, 154-erecting head, 155-placing plate, 156-collecting box, 16-filtering protecting head structure, 161-first assembling flange, 162-second assembling flange, 163-assembling bolt, 164-assembling nut, 165-first filter cover and 166-second filter cover.
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.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, the underground water layered sampling device of the invention comprises an upper connecting ring 1, a first vertical edge 2, a second vertical edge 3, a lower connecting ring 4, a first sampling pipe 5, a second sampling pipe 6, a third sampling pipe 7, scale marks 8, a limiting fixing ring structure 9, a water pump 10, an assembly hose 11, a protective shell 12, a storage battery 13, a switch 14, a sampling collecting head structure 15 and a filtering protecting head structure 16, wherein the upper ends of the first vertical edge 2 and the second vertical edge 3 are respectively and bolted on the left side and the right side of the front surface and the rear surface of the upper connecting ring 1, and the lower ends are respectively and bolted on the left side and the right side of the front surface and the rear surface of the lower connecting ring 4; the first sampling tube 5, the second sampling tube 6 and the third sampling tube 7 respectively penetrate through the limit fixing ring structure 9 and are inserted into the upper connecting ring 1; the scale marks 8 are respectively marked on the front surfaces of the first sampling tube 5, the second sampling tube 6 and the third sampling tube 7; the limiting fixed ring structure 9 is arranged at the upper part of the upper connecting ring 1; the bolt of the water pump 10 is arranged at the front part of the left side of the upper surface of the limiting and fixing ring structure 9; one end of the assembly hose 11 is connected with the right flange of the water pump 10, and the other end of the assembly hose is sleeved on the upper part of the first sampling tube 5; the protective shell 12 is arranged at the rear part of the left side of the upper surface of the limit fixing ring structure 9; the storage battery 13 is embedded in the protective shell 12; the switch 14 is embedded on the upper surface of the protective shell 12; the sampling collecting head structure 15 is arranged on the left side of the water pump 10; the filtering and protecting head structure 16 is respectively arranged on the lower surfaces of the first sampling tube 5, the second sampling tube 6 and the third sampling tube 7; the limiting and fixing ring structure 9 comprises a supporting disc 91, a first positioning collar 92, a second positioning collar 93, a third positioning collar 94, a reinforcing edge 95 and a positioning bolt 96, wherein the supporting disc 91 is welded at the upper end of the upper connecting ring 1; the supporting disc 91 is a stainless steel disc, and a first positioning collar 92, a second positioning collar 93 and a third positioning collar 94 are respectively embedded in the supporting disc 91, so that the supporting disc 91 can be in contact with the ground and plays a supporting role when being installed, and meanwhile, the supporting disc is convenient to use; the first positioning collar 92, the second positioning collar 93 and the third positioning collar 94 are respectively welded at the left side, the right side and the middle part of the upper surface of the supporting disc 91; the reinforcing edges 95 are respectively welded on the peripheries of the lower parts of the outer walls of the first positioning lantern ring 92, the second positioning lantern ring 93 and the third positioning lantern ring 94; the positioning bolts 96 are respectively connected with the peripheries of the upper parts of the outer walls of the first positioning lantern ring 92, the second positioning lantern ring 93 and the third positioning lantern ring 94 in a threaded manner; the four positioning bolts 96 are arranged, the inner sides of the positioning bolts 96 are respectively contacted with the outer walls of the first positioning lantern ring 92, the second positioning lantern ring 93 and the third positioning lantern ring 94, the fixing effect of the limiting fixing ring structure 9 is improved while fixing, and the use is convenient.
As shown in fig. 3, in the above embodiment, specifically, the sampling head structure 15 includes a curved tube 151, a connecting flange 152, a control valve 153, an upright head 154, a placement plate 155 and a collection box 156, where the left side of the curved tube 151 is sealed by the control valve 153, and the right side is connected to the left end of the water pump 10 by the connecting flange 152, so as to conveniently convey sampled water, and control the flow and stop of water; the connecting flange 152 is embedded in the right lower part of the bending pipe 151 and is connected with the left side of the water pump 10 through bolts; the control valve 153 is screwed on the left side of the lower surface of the bending tube 151; the vertical head 154 is welded on the right side of the lower surface of the bending tube 151, and the lower end is welded with a placing plate 155; the standing head 154 and the placing plate 155 form an L shape, the collecting box 156 and the sampling container are conveniently placed on the placing plate 155, and the sampling work is convenient.
As shown in fig. 4, in the above embodiment, specifically, the filter protection head structure 16 includes a first assembly flange 161, a second assembly flange 162, an assembly bolt 163, an assembly nut 164, a first filter cover 165 and a second filter cover 166, and the first assembly flange 161 is welded to the lower surfaces of the first sampling tube 5, the second sampling tube 6 and the third sampling tube 7, respectively; the assembling bolts 163 pass through the first assembling flange 161 and the second assembling flange 162 respectively, and the lower part of the outer wall is connected with an assembling nut 164 in a threaded manner; the first filter cover 165 and the second filter cover 166 are welded on the lower surface of the second assembly flange 162, respectively, and the first filter cover 165 is disposed in the second filter cover 166; the first filter cover 165 and the second filter cover 166 are respectively stainless steel covers, and the apertures of the first filter cover 165 and the second filter cover 166 are respectively set to be one millimeter to three millimeters, so that a large amount of sundries can be prevented from entering the first sampling pipe 5, the second sampling pipe 6 or the third sampling pipe 7 during use, and the sampling work is influenced.
In the above embodiment, specifically, the first positioning collar 92, the second positioning collar 93 and the third positioning collar 94 are respectively inserted with the first sampling tube 5, the second sampling tube 6 and the third sampling tube 7, and are fixed by the positioning bolts 96, so that the positions of the first sampling tube 5, the second sampling tube 6 and the third sampling tube 7 can be moved up and down along with the fixing of the first sampling tube, the second sampling tube 6 and the third sampling tube 7, and the fixing of the first sampling tube, the second sampling tube 6 and the third sampling tube is facilitated by the positioning bolts 96, and the water absorbing work is performed at different positions.
In the above embodiment, specifically, the collecting box 156 is a stainless steel box and is placed on the left side of the upper surface of the placing plate 155, so that the liquid dropping from the control valve 153 can be conveniently collected while the collecting box is used, and meanwhile, the waste of part of the liquid is avoided.
In the above embodiment, specifically, the first assembly flange 161 and the second assembly flange 162 are in contact with each other and are fixed by the assembly bolts 163 and the assembly nuts 164, which is beneficial to conveniently installing and using the filter protection head structure 16.
In the above embodiment, specifically, the water pump 10 is a FS40X25-13S type water pump, the water pump 10 is electrically connected with the storage battery 13, the storage battery 13 is electrically connected with the switch 14, and the switch 14 is electrically connected with the water pump 10.
Working principle:
in the invention, before use, the upper connecting ring 1 is moved, the first vertical edge 2, the second vertical edge 3 and the lower connecting ring 4 are inserted into the ground, the supporting disc 91 is contacted with the ground, after the installation is completed, the first sampling tube 5, the second sampling tube 6 and the third sampling tube 7 are respectively moved up and down to a proper position, then the positioning bolts 96 are respectively screwed and fixed, after the fixing is completed, the assembling hose 11 is respectively connected with the first sampling tube 5, the second sampling tube 6 or the third sampling tube 7, then the sampled container is placed into the collecting box 156 on the placing plate 155, the control valve 153 is opened, and the water pump 10 is started, so that the underground water can pass through the second filter cover 166 and the first filter cover 165 to enter the first sampling tube 5, the second sampling tube 6 or the third sampling tube 7, then pass through the assembling hose 11, the bending tube 151 and the control valve 153 to enter the designated container, when the water passes through the second filter cover 166 and the first filter cover 165, the filtering effect can be achieved, and the control valve 153 is closed.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. An underground water stratified sampling device, characterized in that: the device comprises an upper connecting ring (1), a first vertical edge (2), a second vertical edge (3), a lower connecting ring (4), a first sampling tube (5), a second sampling tube (6), a third sampling tube (7), scale marks (8), a limiting fixed ring structure (9), a water pump (10), an assembly hose (11), a protective shell (12), a storage battery (13), a switch (14), a sampling collecting head structure (15) and a filtering protecting head structure (16), wherein the upper ends of the first vertical edge (2) and the second vertical edge (3) are respectively and bolted on the left side and the right side of the front surface and the rear surface of the upper connecting ring (1), and the lower ends of the first vertical edge and the second vertical edge are respectively and bolted on the left side and the right side of the front surface and the rear surface of the lower connecting ring (4); the first sampling tube (5), the second sampling tube (6) and the third sampling tube (7) respectively penetrate through the limiting fixed ring structure (9) and are inserted into the upper connecting ring (1); the scale marks (8) are respectively marked on the front surfaces of the first sampling tube (5), the second sampling tube (6) and the third sampling tube (7); the limiting fixed ring structure (9) is arranged at the upper part of the upper connecting ring (1); the water pump (10) is mounted on the front part of the left side of the upper surface of the limiting and fixing ring structure (9) through bolts; one end of the assembly hose (11) is connected with the right flange of the water pump (10), and the other end of the assembly hose is sleeved on the upper part of the first sampling tube (5); the protective shell (12) is arranged at the rear part of the left side of the upper surface of the limiting and fixing ring structure (9); the storage battery (13) is embedded in the protective shell (12); the switch (14) is inlaid on the upper surface of the protective shell (12); the sampling collecting head structure (15) is arranged at the left side of the water pump (10); the filtering protection head structure (16) is respectively arranged on the lower surfaces of the first sampling tube (5), the second sampling tube (6) and the third sampling tube (7); the limiting and fixing ring structure (9) comprises a supporting disc (91), a first positioning collar (92), a second positioning collar (93), a third positioning collar (94), a reinforcing edge (95) and a positioning bolt (96), wherein the supporting disc (91) is welded at the upper end of the upper connecting ring (1); the first positioning lantern ring (92), the second positioning lantern ring (93) and the third positioning lantern ring (94) are respectively welded at the left side, the right side and the middle part of the upper surface of the supporting disc (91); the reinforcing edges (95) are respectively welded on the peripheries of the lower parts of the outer walls of the first positioning lantern ring (92), the second positioning lantern ring (93) and the third positioning lantern ring (94); the positioning bolts (96) are respectively connected with the peripheries of the upper parts of the outer walls of the first positioning lantern ring (92), the second positioning lantern ring (93) and the third positioning lantern ring (94) in a threaded manner; the supporting disc (91) is a stainless steel disc, and a first positioning lantern ring (92), a second positioning lantern ring (93) and a third positioning lantern ring (94) are respectively embedded in the supporting disc; the first positioning lantern ring (92), the second positioning lantern ring (93) and the third positioning lantern ring (94) are respectively inserted with the first sampling pipe (5), the second sampling pipe (6) and the third sampling pipe (7), and are fixed through positioning bolts (96).
2. The groundwater layered sampling device according to claim 1, wherein: the sampling collecting head structure (15) comprises a bending pipe (151), a connecting flange (152), a control valve (153), a vertical head (154), a placing plate (155) and a collecting box (156), wherein the connecting flange (152) is inlaid at the right lower part of the bending pipe (151) and is connected with the left side of the water pump (10) through bolts; the control valve (153) is connected to the left side of the lower surface of the bending tube (151) in a threaded manner; the vertical head (154) is welded on the right side of the lower surface of the bending tube (151), and the lower end of the vertical head is welded with a placing plate (155).
3. The groundwater layered sampling device according to claim 1, wherein: the filtering and protecting head structure (16) comprises a first assembling flange (161), a second assembling flange (162), assembling bolts (163), assembling nuts (164), a first filtering cover (165) and a second filtering cover (166), wherein the first assembling flange (161) is welded on the lower surfaces of the first sampling pipe (5), the second sampling pipe (6) and the third sampling pipe (7) respectively; the assembling bolts (163) respectively penetrate through the first assembling flange (161) and the second assembling flange (162), and the lower part of the outer wall is in threaded connection with an assembling nut (164); the first filter cover (165) and the second filter cover (166) are welded on the lower surface of the second assembly flange (162) respectively, and the first filter cover (165) is arranged in the second filter cover (166).
4. The groundwater layered sampling device according to claim 1, wherein: the four positioning bolts (96) are arranged, and the inner sides of the positioning bolts (96) are respectively contacted with the outer walls of the first positioning lantern ring (92), the second positioning lantern ring (93) and the third positioning lantern ring (94).
5. The groundwater layered sampling device according to claim 2, wherein: the left side of the bending pipe (151) is sealed by a control valve (153), and the right side is connected with the left end of the water pump (10) by a connecting flange (152).
6. The groundwater layered sampling device according to claim 2, wherein: the collecting box (156) is a stainless steel box and is placed on the left side of the upper surface of the placing plate (155).
7. A groundwater layered sampling device according to claim 3, wherein: the first filter cover (165) and the second filter cover (166) are respectively stainless steel covers, and the apertures of the first filter cover (165) and the second filter cover (166) are respectively set to be one millimeter to three millimeters; the first assembly flange (161) and the second assembly flange (162) are in contact with each other and are fixed by assembly bolts (163) and assembly nuts (164).
8. A sampling method for sampling the groundwater layer sampling device according to any one of claims 1 to 7, characterized by comprising the steps of: before the use, move go up go-between (1) and make first erect limit (2), second erect limit (3) and go down go-between (4) and insert in the underground, simultaneously supporting disk (91) and ground contact, after accomplishing the installation, respectively reciprocate first sampling pipe (5), second sampling pipe (6) and third sampling pipe (7) and reach suitable position, then screw up locating bolt (96) respectively along with it and fix, after fixing, make equipment hose (11) be connected with first sampling pipe (5), second sampling pipe (6) or third sampling pipe (7) respectively, then place the container of sampling in collecting box (156) on place board (155) simultaneously, open control valve (153) and start water pump (10), so can make the water under ground pass second filter mantle (166) and first filter mantle (165) get into first sampling pipe (5), second sampling pipe (6) or third sampling pipe (7), then pass through equipment hose (11), after the bending hose (153) and control valve (153) get into appointed filter mantle (153), can be accomplished in the filter mantle (153) when the control valve (153) gets into appointed filter mantle (166).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080202.4A CN109632390B (en) | 2019-01-28 | 2019-01-28 | Groundwater layered sampling device and sampling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080202.4A CN109632390B (en) | 2019-01-28 | 2019-01-28 | Groundwater layered sampling device and sampling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109632390A CN109632390A (en) | 2019-04-16 |
| CN109632390B true CN109632390B (en) | 2024-02-13 |
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Family Applications (1)
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| CN201910080202.4A Active CN109632390B (en) | 2019-01-28 | 2019-01-28 | Groundwater layered sampling device and sampling method |
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