CN109632390A - Underground water layered sampling device and method - Google Patents
Underground water layered sampling device and method Download PDFInfo
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- CN109632390A CN109632390A CN201910080202.4A CN201910080202A CN109632390A CN 109632390 A CN109632390 A CN 109632390A CN 201910080202 A CN201910080202 A CN 201910080202A CN 109632390 A CN109632390 A CN 109632390A
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- 238000005070 sampling Methods 0.000 title claims abstract description 145
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000013517 stratification Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
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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
- G01N1/16—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
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a layered sampling device and a sampling method for underground water, wherein the device comprises two vertical sides and three sampling pipes, wherein the three sampling pipes respectively penetrate through a limiting fixed ring structure and are inserted into an 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 fixing ring structure; one end of the assembly hose is connected with a right flange of the water pump, and the other end of the assembly hose is sleeved on the upper part of the first sampling pipe; the protective shell is arranged at the rear part of the left side of the upper surface of the limiting fixing ring structure; the storage battery is embedded in the protective shell; the switch is embedded on the upper surface of the protective shell; the sampling collecting head is arranged on the left side of the water pump in a structure; the filtering protection head structures are respectively arranged on the lower surfaces of the three sampling pipes; the invention can solve the problems that the existing underground water stratification sampling device is inconvenient to adjust and sample, and is inconvenient to collect residual water and does not have the filtering function.
Description
Technical field
The invention belongs to sampling apparatus technical field more particularly to a kind of underground water layered sampling device and the method for samplings.
Background technique
Groundwater sampling technology is the core of groundwater monitoring, but due in earth formation there are velatively waterproof layer, because
This underground water is also layered therewith, and the index of each layer water and constituent are also not quite similar, so needing Stratified Sampling, avoiding mixing
It mixes, in order to avoid interfering with each other, causes interpretation of result unfounded, China Patent Publication No. CNCN201420132604.7, innovation and creation
A kind of entitled underground water layered sampling device, including sampling pipe, n root suction hose, n gasket and at least n root connecting rod, n
>=1, gasket is equipped at least n insertion hole, and the diameter of gasket and the diameter of sampling pipe are corresponding, axis of each gasket along sampling pipe
It to being arranged at intervals in sampling pipe, is vertically connected with together between each gasket by connecting rod, so that sampling pipe is separated into n
+ 1 space, one end of the 1st suction hose are arranged upper one after sequentially passing through 1 insertion hole on n gasket from top to bottom
Filtering head, after one end of the 2nd suction hose sequentially passes through 1 insertion hole on n-1 gasket being located above from top to bottom
A upper filtering head is set, and one end of the 3rd suction hose sequentially passes through 1 on n-2 gasket being located above from top to bottom
A upper filtering head is set after a insertion hole, and so on until one end of n-th suction hose is placed through the pad of the top
A upper filtering head is set after 1 insertion hole of on piece, and the gap between the hole wall of the insertion hole of suction hose and gasket is with viscous
Mixture sealing, and the vacant insertion hole being not used by all gaskets is sealed using sealing-plug, all suction hoses it is another
End is connected using Shi Junyu suction pump, the Guan Weishi pipe of sampling pipe position corresponding with argillic horizon, position corresponding with sandy soils
Pipe be floral tube.
But existing underground water layered sampling device there is also the work for being inconvenient to be adjusted and sample, not side
Just it collects remaining water and does not have the problem of playing filtering function.
Therefore, a kind of underground water layered sampling device is invented to be very necessary.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of underground water layered sampling devices, to solve existingly
Being lauched layered sampling device is inconvenient to the work for being adjusted and sampling, is inconvenient to collect remaining water and do not have to play filtering
The problem of function.
Technical scheme is as follows:
A kind of underground water layered sampling device, including upper connection ring, the first setting side, the second setting side, lower connection ring, the
One sampling pipe, the second sampling pipe, third sampling pipe, graduation mark limit fixed ring structure, and water pump assembles hose, and protective shell stores
Battery, switch, sample collection header structure and filter protection header structure, described first erect while and second erect while upper end distinguish
Bolt is mounted on the left and right sides of connection ring front and rear surfaces, and bolt is mounted on the left and right of lower connection ring front and rear surfaces respectively for lower end
Two sides；First sampling pipe, the second sampling pipe and the third sampling pipe is each passed through the fixed ring structure of limit, and is inserted in
The inside of connection ring；The graduation mark portrays the front surface in the first sampling pipe, the second sampling pipe and third sampling pipe respectively；
The fixed ring structure of the limit is mounted on the top of connection ring；The bolt of water is mounted on the fixed ring structure of limit
Front on the left of surface；The right flange of described assembling hose one end and water pump connects, and the other end is socketed in the first sampling pipe
Top；The protective shell is mounted on the rear portion limited on the left of fixed ring structure upper surface；The battery is embedded in guarantor
The inside of protective case；The switch is embedded in the upper surface of protective shell；The sample collection header structure is mounted on a left side for water pump
Side；The filter protection header structure is separately mounted to the lower surface of the first sampling pipe, the second sampling pipe and third sampling pipe；Institute
The fixed ring structure of the limit stated includes support plate, the first positioning ring, the second positioning ring, third positioning ring, reinforcing edge and
Positioning bolt, the support plate are welded on the upper end of connection ring；First positioning ring, the second positioning ring and
Three positioning rings are respectively welded at the left and right sides and intermediate position of support plate upper surface；The reinforcing edge is respectively welded at
The surrounding of one positioning ring, the second positioning ring and third positioning ring outer wall lower part；The positioning bolt difference screw thread connects
Connect the surrounding in the first positioning ring, the second positioning ring and third positioning ring outer wall top.
Preferably, the sample collection header structure includes swan-neck, connecting flange, control valve, erects head, placement plate and
Collection box, the connecting flange is embedded in the right lower quadrant of swan-neck, and is bolted on the left of water pump；The control valve spiral shell
Line is connected to the left side of swan-neck lower surface；The setting head is welded on the right side of swan-neck lower surface, while lower end is welded
There is placement plate.
Preferably, the filter protection header structure includes the first assembly flange, the second assembly flange, erection bolt, group
Loading nut, the first filter mantle and the second filter mantle, first assembly flange are respectively welded at the first sampling pipe, the second sampling
The lower surface of pipe and third sampling pipe；The erection bolt is each passed through the first assembly flange and the second assembly flange, and
The lower thread of outer wall is connected with a group loading nut；First filter mantle and the second filter mantle is respectively welded at the second construction from part
Blue lower surface, and the first filter mantle is arranged in the second filter mantle.
Preferably, the support plate uses stainless steel disc, and inside is inlaid with the first positioning ring, the second positioning respectively
Lantern ring and third positioning ring.
Preferably, it is plugged with first respectively in first positioning ring, the second positioning ring and third positioning ring
Sampling pipe, the second sampling pipe and third sampling pipe, while being fixed by positioning bolt.
Preferably, there are four the described positioning bolt settings, on the inside of the positioning bolt respectively with the first positioning ring,
The contact of the outer wall of second positioning ring and third positioning ring.
Preferably, it is sealed up on the left of the swan-neck by control valve, right side passes through the left end of connecting flange and water pump
Connection.
Preferably, the collection box uses stainless steel box, and is placed on the left side of placement plate upper surface.
Preferably, the setting head and placement plate group l-shaped.
Preferably, stainless steel cage, first filter mantle is respectively adopted in first filter mantle and the second filter mantle
One millimeter to three millimeters is respectively set to the second filter mantle aperture.
Preferably, first assembly flange and the second assembly flange contact with each other, and pass through erection bolt and assembling
Nut is fixed.
Compared with prior art, the present invention has following substantive distinguishing features outstanding and significant progress:
1, in the present invention, support plate uses stainless steel disc, and inside is inlaid with the first positioning ring, the second positioning sleeve respectively
Ring and third positioning ring can make support plate and ground face contact, and play the role of support, while also facilitating during installation
Carry out using.
2, in the present invention, it is plugged with first respectively in the first positioning ring, the second positioning ring and third positioning ring and adopts
Sample pipe, the second sampling pipe and third sampling pipe, while being fixed by positioning bolt, the first sampling can be moved up and down therewith
Pipe, the second sampling pipe and the position where third sampling pipe, and fixed by positioning bolt, and convenient for different positions into
The work of row water suction.
3, in the present invention, there are four positioning bolt settings, positions respectively with the first positioning ring, second on the inside of positioning bolt
The contact of the outer wall of lantern ring and third positioning ring increases the fixed effect of the fixed ring structure of the limit while fixed, and
Easily carry out using.
4, it in the present invention, is sealed up on the left of swan-neck by control valve, right side is connected by the left end of connecting flange and water pump
It connects, the water of convenient conveying sampling, while can also control the flowing and stopping of water.
5, in the present invention, collection box uses stainless steel box, and is placed on the left side of placement plate upper surface, same what is used
When, the liquid dripped from control valve is easily collected, while also avoiding partially liq and being easy waste.
6, in the present invention, head and placement plate group l-shaped are erect, the appearance of collection box and sampling is easily placed in placement plate
Device, and it is convenient for the work of sampling.
7, in the present invention, stainless steel cage, the first filter mantle and the second mistake is respectively adopted in the first filter mantle and the second filter mantle
Filter bowl aperture is respectively set to one millimeter to three millimeters, when in use, can be avoided a large amount of sundries enter the first sampling pipe,
In second sampling pipe or third sampling pipe, and influence the work of sampling.
8, in the present invention, the first assembly flange and the second assembly flange contact with each other, and pass through erection bolt and assembling spiral shell
Mother fixes, and is conducive to that the filter protection header structure is easily made install enforcement use of going forward side by side.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of the fixed ring structure of limit of the invention；
Fig. 3 is the structural schematic diagram of sample collection header structure of the invention；
Fig. 4 is the structural schematic diagram of filter protection header structure of the invention.
Description of symbols: the upper connection ring of 1-, 2- first erect side, and 3- second erects side, connection ring under 4-, and 5- first is adopted
Sample pipe, the second sampling pipe of 6-, 7- third sampling pipe, 8- graduation mark, 9- limit fixed ring structure, 91- support plate, and 92- first determines
Position lantern ring, the second positioning ring of 93-, 94- third positioning ring, 95- reinforcing edge, 96- positioning bolt, 10- water pump, 11- assembling
Hose, 12- protective shell, 13- battery, 14- switch, 15- sample collection header structure, 151- swan-neck, 152- connecting flange,
153- control valve, 154- erect head, 155- placement plate, 156- collection box, 16- filter protection header structure, the first construction from part of 161-
Orchid, the second assembly flange of 162-, 163- erection bolt, 164- group loading nut, the first filter mantle of 165-, the second filter mantle of 166-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1 and Figure 2, a kind of underground water layered sampling device of the invention, including upper connection ring 1, first
Side 2 is erect, second erects side 3, lower connection ring 4, the first sampling pipe 5, the second sampling pipe 6, third sampling pipe 7, graduation mark 8, limit
The fixed ring structure 9 in position, water pump 10 assemble hose 11, protective shell 12, battery 13, switch 14, sample collection header structure 15 and mistake
Filter protection header structure 16, described first erects 3 upper ends when 2 and second are erect, and bolt is mounted on upper 1 front and back of connection ring respectively
The left and right sides on surface, bolt is mounted on the left and right sides of lower 4 front and rear surfaces of connection ring respectively for lower end；First sampling pipe
5, the second sampling pipe 6 and third sampling pipe 7 are each passed through the fixed ring structure 9 of limit, and are inserted in the inside of connection ring 1；Institute
The graduation mark 8 stated portrays the front surface in the first sampling pipe 5, the second sampling pipe 6 and third sampling pipe 7 respectively；The limit
Fixed ring structure 9 is mounted on the top of connection ring 1；10 bolt of water pump is mounted on fixed 9 upper surface of ring structure of limit
The front in left side；Described 11 one end of assembling hose is connect with the right flange of water pump 10, and the other end is socketed in the first sampling pipe 5
Top；The protective shell 12 is mounted on the rear portion limited on the left of fixed 9 upper surface of ring structure；The battery 13 is inlayed
In the inside of protective shell 12；The switch 14 is embedded in the upper surface of protective shell 12；The sample collection header structure 15 is pacified
Mounted in the left side of water pump 10；The filter protection header structure 16 is separately mounted to the first sampling pipe 5, the second sampling pipe 6 and
The lower surface of three sampling pipes 7；The fixed ring structure 9 of the limit includes support plate 91, the first positioning ring 92, the second positioning sleeve
Ring 93, third positioning ring 94, reinforcing edge 95 and positioning bolt 96, the support plate 91 are welded on the upper end of connection ring 1；
The support plate 91 uses stainless steel disc, and internal is inlaid with the first positioning ring 92, the second positioning ring 93 and the respectively
Three positioning rings 94 can make support plate 91 and ground face contact, and play the role of support during installation, while also convenient
Carry out using；First positioning ring 92, the second positioning ring 93 and the third positioning ring 94 is respectively welded at support plate
The left and right sides of 91 upper surfaces and intermediate position；The reinforcing edge 95 is respectively welded at the positioning of the first positioning ring 92, second
The surrounding of 94 outer wall lower part of lantern ring 93 and third positioning ring；The positioning bolt 96 is threaded in the first positioning sleeve respectively
The surrounding on 94 outer wall top of ring 92, the second positioning ring 93 and third positioning ring；There are four the settings of positioning bolt 96,
96 inside of the positioning bolt outer wall with the first positioning ring 92, the second positioning ring 93 and third positioning ring 94 respectively
Contact increases the fixed effect of the fixed ring structure 9 of the limit while fixed, and easily carry out using.
As shown in Fig. 3, in above-described embodiment, specifically, the sample collection header structure 15 includes swan-neck 151,
Connecting flange 152, control valve 153 are erect head 154, placement plate 155 and collection box 156, are passed through on the left of the swan-neck 151
Control valve 153 seals up, and right side is connect by connecting flange 152 with the left end of water pump 10, the water of convenient conveying sampling, simultaneously
Also the flowing and stopping of water can be controlled；The connecting flange 152 is embedded in the right lower quadrant of swan-neck 151, and water pump 10
Left side is bolted；The control valve 153 is threaded in the left side of 151 lower surface of swan-neck；The setting head 154 welds
The right side in 151 lower surface of swan-neck is connect, while lower end is welded with placement plate 155；The setting head 154 and placement plate 155
Group l-shaped, easily places the container of collection box 156 and sampling in placement plate 155, and is convenient for the work of sampling.
As shown in Fig. 4, in above-described embodiment, specifically, the filter protection header structure 16 includes the first construction from part
Orchid 161, the second assembly flange 162, erection bolt 163 organize loading nut 164, the first filter mantle 165 and the second filter mantle 166, institute
The first assembly flange 161 stated is respectively welded at the lower surface of the first sampling pipe 5, the second sampling pipe 6 and third sampling pipe 7；Institute
The erection bolt 163 stated is each passed through the first assembly flange 161 and the second assembly flange 162, and connects in the lower thread of outer wall
It is connected to group loading nut 164；First filter mantle 165 and the second filter mantle 166 is respectively welded at the second assembly flange 162
Lower surface, and the first filter mantle 165 is arranged in the second filter mantle 166；First filter mantle 165 and the second filter mantle
166 are respectively adopted stainless steel cage, and first filter mantle 165 and 166 aperture of the second filter mantle are respectively set to one millimeter extremely
Three millimeters, when in use, it can be avoided a large amount of sundries and enter the first sampling pipe 5, the second sampling pipe 6 or third sampling pipe
In 7, and influence the work of sampling.
In above-described embodiment, specifically, first positioning ring 92, the second positioning ring 93 and third positioning ring
The first sampling pipe 5, the second sampling pipe 6 and third sampling pipe 7 are plugged in 94 respectively, while being fixed by positioning bolt 96,
The position where the first sampling pipe 5, the second sampling pipe 6 and third sampling pipe 7 can be moved up and down therewith, and passes through positioning bolt
96 fix, and the work convenient for absorbing water to different positions.
In above-described embodiment, specifically, the collection box 156 uses stainless steel box, and it is placed on table in placement plate 155
The liquid dripped from control valve 153 is easily collected, while also avoiding partially liq while using in the left side in face
It is easy waste.
In above-described embodiment, specifically, first assembly flange 161 and the second assembly flange 162 contacts with each other, and
It is fixed by erection bolt 163 and group loading nut 164, is conducive to that the filter protection header structure 16 is installed simultaneously
Carry out using.
In above-described embodiment, specifically, the water pump 10 uses model FS40X25-13S type water pump, the water
Pump 10 is electrically connected with battery 13, and the battery 13 and switch 14 are electrically connected, 10 electricity of the switch 14 and water pump
Property connection.
Working principle:
In the present invention, before use, first mobile upper connection ring 1 and making the first setting when 2, second erects 3 and lower connection
Ring 4 is simultaneously inserted into underground, at the same support plate 91 and ground face contact, complete installation after, move up and down respectively the first sampling pipe 5,
Second sampling pipe 6 and third sampling pipe 7 reach suitable position, and then screwed in place bolt 96 is fixed respectively therewith, fixed
After good, it connect assembling hose 11 with the first sampling pipe 5, the second sampling pipe 6 or third sampling pipe 7 respectively, then will adopts again
The container of sample is placed into the collection box 156 in placement plate 155, opens simultaneously control valve 153, and starts water pump 10, so i.e.
Can make the water of underground pass through the second filter mantle 166 and the first filter mantle 165 enter the first sampling pipe 5, the second sampling pipe 6 or
In third sampling pipe 7, then entered in specified container by assembling hose 11, swan-neck 151 and control valve 153, in water
When across the second filter mantle 166 and the first filter mantle 165, filtering can be played the role of, after completing sampling, close control valve
153.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of underground water layered sampling device, it is characterised in that: erect side (2) including upper connection ring (1), first, second is perpendicular
Stile (3), lower connection ring (4), the first sampling pipe (5), the second sampling pipe (6), third sampling pipe (7), graduation mark (8), limit
Fixed ring structure (9), water pump (10) assemble hose (11), protective shell (12), battery (13), switch (14), sample collection head
Structure (15) and filter protection header structure (16), described first erects (3) the upper end difference bolt peace when (2) and second are erect
Mounted in the left and right sides of upper connection ring (1) front and rear surfaces, bolt is mounted on the left and right of lower connection ring (4) front and rear surfaces respectively for lower end
Two sides；First sampling pipe (5), the second sampling pipe (6) and the third sampling pipe (7) is each passed through the fixed ring structure of limit
(9), and it is inserted in the inside of connection ring (1)；The graduation mark (8) is portrayed respectively in the first sampling pipe (5), the second sampling
Manage the front surface of (6) and third sampling pipe (7)；The limit fixed ring structure (9) is mounted on the top of connection ring (1)；
Described water pump (10) bolt is mounted on the front limited on the left of fixed ring structure (9) upper surface；The assembling hose (11)
One end is connect with the right flange of water pump (10), and the other end is socketed in the top of the first sampling pipe (5)；The protective shell (12)
It is mounted on the rear portion limited on the left of fixed ring structure (9) upper surface；The battery (13) is embedded in the interior of protective shell (12)
Portion；The switch (14) is embedded in the upper surface of protective shell (12)；The sample collection header structure (15) is mounted on water pump
(10) left side；The filter protection header structure (16) is separately mounted to the first sampling pipe (5), the second sampling pipe (6) and
The lower surface of three sampling pipes (7)；The limit fixed ring structure (9) includes support plate (91), the first positioning ring (92), the
Two positioning rings (93), third positioning ring (94), reinforcing edge (95) and positioning bolt (96), the support plate (91) welding
In the upper end of upper connection ring (1)；First positioning ring (92), the second positioning ring (93) and the third positioning ring (94)
It is respectively welded at the left and right sides and intermediate position of support plate (91) upper surface；The reinforcing edge (95) is respectively welded at first
The surrounding of positioning ring (92), the second positioning ring (93) and third positioning ring (94) outer wall lower part；The positioning bolt
(96) it is threaded in the first positioning ring (92), the second positioning ring (93) and third positioning ring (94) outer wall top respectively
Surrounding.
2. underground water layered sampling device according to claim 1, it is characterised in that: the sample collection header structure
(15) include swan-neck (151), connecting flange (152), control valve (153), erect head (154), placement plate (155) and collection box
(156), the connecting flange (152) is embedded in the right lower quadrant of swan-neck (151), and connects with the left side bolt of water pump (10)
It connects；The control valve (153) is threaded in the left side of swan-neck (151) lower surface；The setting head (154) is welded on
The right side of swan-neck (151) lower surface, while lower end is welded with placement plate (155).
3. underground water layered sampling device according to claim 1, it is characterised in that: the filter protection header structure
It (16) include the first assembly flange (161), the second assembly flange (162), erection bolt (163), group loading nut (164), first
Filter mantle (165) and the second filter mantle (166), first assembly flange (161) be respectively welded at the first sampling pipe (5),
The lower surface of second sampling pipe (6) and third sampling pipe (7)；The erection bolt (163) is each passed through the first assembly flange
(161) and the second assembly flange (162), and a group loading nut (164) are connected in the lower thread of outer wall；First filtering
Cover (165) and the second filter mantle (166) are respectively welded at the lower surface of the second assembly flange (162), and the first filter mantle (165)
Setting is in the second filter mantle (166).
4. underground water layered sampling device according to claim 1, it is characterised in that: the support plate (91) is not using
Become rusty steel disk, and inside is inlaid with the first positioning ring (92), the second positioning ring (93) and third positioning ring (94) respectively.
5. underground water layered sampling device according to claim 1, it is characterised in that: first positioning ring
(92), it is plugged with the first sampling pipe (5), the second sampling pipe respectively in the second positioning ring (93) and third positioning ring (94)
(6) and third sampling pipe (7) it, while by positioning bolt (96) fixes.
6. underground water layered sampling device according to claim 1, it is characterised in that: positioning bolt (96) setting
There are four, it is fixed with the first positioning ring (92), the second positioning ring (93) and third respectively on the inside of the positioning bolt (96)
The outer wall contact of position lantern ring (94).
7. underground water layered sampling device according to claim 1, it is characterised in that: on the left of the swan-neck (151)
It is sealed up by control valve (153), right side is connect by connecting flange (152) with the left end of water pump (10).
8. underground water layered sampling device according to claim 1, it is characterised in that: the collection box (156) uses
Stainless steel box, and it is placed on the left side of placement plate (155) upper surface.
9. underground water layered sampling device according to claim 1, it is characterised in that: first filter mantle (165)
Stainless steel cage, first filter mantle (165) and the second filter mantle (166) aperture is respectively adopted with the second filter mantle (166)
It is respectively set to one millimeter to three millimeters；First assembly flange (161) and the second assembly flange (162) contacts with each other,
And it is fixed by erection bolt (163) and group loading nut (164).
10. a kind of method of sampling of underground water layered sampling device of sampling as described in any one of claim 1-9, special
Sign is to include the following steps: before use, first moving upper connection ring (1) and making the first setting when (2), second are erect (3)
With lower connection ring (4) and be inserted into underground, while support plate (91) and ground face contact move up and down respectively after completing installation
First sampling pipe (5), the second sampling pipe (6) and third sampling pipe (7) reach suitable position, then distinguish screwed in place therewith
Bolt (96) is fixed, after fixing, make to assemble hose (11) respectively with the first sampling pipe (5), the second sampling pipe (6) or the
The container of sampling, is then placed into the collection box (156) on placement plate (155) Nei again, opens simultaneously by three sampling pipes (7) connection
Control valve (153), and start water pump (10), the water of underground can be made to pass through the second filter mantle (166) and the first filter mantle in this way
(165) it enters in the first sampling pipe (5), the second sampling pipe (6) or third sampling pipe (7), then passes through assembling hose
(11), swan-neck (151) and control valve (153) enter in specified container, pass through the second filter mantle (166) and first in water
When filter mantle (165), filtering can be played the role of, after completing sampling, closed control valve (153).
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