CN108982166A - A kind of sampled well casing programme based on Ground water Quality Survey - Google Patents
A kind of sampled well casing programme based on Ground water Quality Survey Download PDFInfo
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- CN108982166A CN108982166A CN201810712036.0A CN201810712036A CN108982166A CN 108982166 A CN108982166 A CN 108982166A CN 201810712036 A CN201810712036 A CN 201810712036A CN 108982166 A CN108982166 A CN 108982166A
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- Prior art keywords
- water
- well casing
- casing programme
- sampled
- cylindrical shaft
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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
Abstract
The present invention relates to a kind of sampled well casing programme based on Ground water Quality Survey, comprising: one end of sampled well casing programme is arranged in the fixed device of well head；Cai Shui working group, top are connect by well head cylindrical shaft wall with the fixed device of the well head, and the Cai Shui working group includes that at least one adopts water seating nipple；The other end of the sampled well casing programme is arranged in sediment tube, is connect by shaft bottom cylindrical shaft wall with the bottom of the Cai Shui working group.The sampled well casing programme based on Ground water Quality Survey, it can be realized the layering level to underground really to sample, improve the authenticity, representativeness, reliability of groundwater sampling, and sampled well well head quantity is effectively reduced, the efficiency of shaft building is improved, well logging function is improved.
Description
Technical field
The invention belongs to groundwater monitoring fields, and in particular to a kind of sampled well well bore knot based on Ground water Quality Survey
Structure.
Background technique
The monitoring well at newly-built at present or reconstruction underground water country fundamental surveillance station and provincial fundamental surveillance station is more rocks
Layer monitoring well, water level, water quality and the water temperature etc. of institute's water sampling are mixing water-bearing layers, using more rock stratum monitoring wells of the prior art
It is sampled, the sampling of ground water index and parameter adopted are relatively simple, do not have representativeness, cannot accurately reflect specific rock stratum
The changing rule of water level；In addition, more rock stratum monitoring wells can join some monitorings by the disturbing influence of groundwater environment, water turbidity
Number has an impact.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of based on Ground water Quality Survey
Sampled well casing programme.The technical problem to be solved in the present invention is achieved through the following technical solutions:
The embodiment of the invention provides a kind of sampled well casing programme based on Ground water Quality Survey, comprising:
Well head fixes device, and one end of sampled well casing programme is arranged in；
Cai Shui working group, top are connect by well head cylindrical shaft wall with the fixed device of the well head, the Cai Shui working group
Water seating nipple is adopted including at least one；
The other end of the sampled well casing programme is arranged in sediment tube, adopts water conservancy project work with described by shaft bottom cylindrical shaft wall
The bottom connection of group.
In one embodiment of the invention, connection, the well of the fixed device of the well head and the well head cylindrical shaft wall
The connection of mouth cylindrical shaft wall and the Cai Shui working group is any one of threaded connection, flanged joint, clamp connection.
In one embodiment of the invention, the connection of the Cai Shui working group and the shaft bottom cylindrical shaft wall, the shaft bottom
The connection of cylindrical shaft wall and the sediment tube is any one of threaded connection, flanged joint, clamp connection.
In one embodiment of the invention, water seating nipple is adopted including at least two by the Cai Shui working group, two neighboring
Described adopt is attached between water seating nipple by water harvesting layer cylindrical shaft wall.
In one embodiment of the invention, separator is provided in the water harvesting layer cylindrical shaft wall.
In one embodiment of the invention, the connection for adopting water seating nipple and the water harvesting layer cylindrical shaft wall is screw thread company
It connects, flanged joint, any one of clamp connection.
In one embodiment of the invention, the water seating nipple of adopting includes:
Ring-shaped filter cylinder, including outer cylinder and inner cylinder, form interlayer between the outer cylinder and the inner cylinder；
Collection matches filtrate, is filled in the interlayer.
In one embodiment of the invention, described to adopt water seating nipple further include: locator is mounted on the ring-shaped filter
The inner wall of cylinder, for being positioned to the depth for adopting water instrument and detecting instrument.
In one embodiment of the invention, sampled well casing programme further include:
The periphery of the well head cylindrical shaft wall is arranged in centralizer, for adjusting the position of the sampled well casing programme.
Compared with prior art, beneficial effects of the present invention:
1, sampled well casing programme of the invention includes that at least one adopts water seating nipple, this adopts water seating nipple and cylindrical shaft wall one
Bodyization setting, can be realized the layering level to underground and really samples, improve the authenticity, representativeness, reliability of groundwater sampling,
And sampled well well head quantity is effectively reduced, the efficiency of shaft building is improved, well logging function is improved.
2, separator of the invention keeps apart each water seating nipple of adopting, may be implemented it is each adopt water seating nipple layering adopt
Water improves the authenticity of sample water；And it may be implemented to be cleaned step by step to respectively adopting water seating nipple and precipitation cylinder, so that sampling
Well casing programme use is more convenient.
3, collection of the invention can require the corresponding collection of filling to match filtrate with filtrate according to different water harvesting layer water penetrations, it is ensured that
The permeability of water harvesting layer reduces the influence of water turbidity；The secondary filling operation after being gone into the well again is not needed, sampling is improved
The service efficiency of well casing programme.
4, locator of the invention can be accurately positioned it is matching used adopt water instrument and detecting instrument, avoid adopting water instrument and
Detecting instrument position deviates, to avoid the disturbing influence of groundwater environment, reduces influence of the water turbidity to monitoring parameters,
Make water sampling that there is authenticity.
5, the fixation position of sampled well casing programme can be adjusted flexibly in centralizer of the invention according to depth-logger, to sampling
Well casing programme carries out centering correction, guarantees the center precision of sampled well casing programme, improves the reliability of sample water.
6, using the types of attachment such as threaded connection, flanged joint, clamp connection, all parts between all parts of the present invention
Any replacement, repeatedly disassembly installation can be carried out, so that the flexibility of sampled well casing programme is greatly improved.
Detailed description of the invention
Fig. 1 is sampled well casing programme schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram provided in an embodiment of the present invention for adopting water seating nipple.
Specific embodiment
Further detailed description is done to the present invention combined with specific embodiments below, but embodiments of the present invention are not limited to
This.
Embodiment one
The embodiment of the invention provides a kind of sampled well casing programmes, comprising:
Well head fixes device, and one end of sampled well casing programme is arranged in；The sampled well casing programme is in use state
The fixed device of well head is located at the well head of sampled well.
Cai Shui working group, top is connect by well head cylindrical shaft wall with the fixed device of the well head, including at least one is adopted
Water seating nipple；When the Cai Shui working group include at least two adopt water seating nipple when, it is two adjacent it is described adopt water seating nipple it
Between connected by water harvesting layer cylindrical shaft wall；Separator is provided in the water harvesting layer cylindrical shaft wall adopted between water seating nipple.Institute
Stating and adopting water seating nipple includes: ring-shaped filter cylinder, including inner barrel and outer barrel, forms interlayer between the inner cylinder and the outer cylinder；Collection
With filtrate, it is filled in the interlayer of the ring-shaped filter cylinder；Locator is mounted on the inner wall of the ring-shaped filter cylinder, for fixed
Position is matching used to adopt water instrument and detecting instrument.
The sampled well casing programme of the embodiment of the present invention includes that at least one adopts water seating nipple, this adopts water seating nipple and the borehole wall
The integrated setting of cylinder, can the layering level to underground really sample, improve the authenticity, representativeness, reliability of groundwater sampling,
And sampled well well head quantity is effectively reduced, the efficiency of shaft building is improved, well logging function is improved.
The separator of the embodiment of the present invention keeps apart each water seating nipple of adopting, and each water seating nipple of adopting may be implemented and be layered
Water is adopted, the authenticity of sample water is improved；And it may be implemented to be cleaned step by step to respectively adopting water seating nipple and precipitation cylinder, so that adopting
Sample well casing programme use is more convenient.
The collection of the embodiment of the present invention can require the corresponding collection of filling to match filtrate with filtrate according to different water harvesting layer water penetrations, no
Secondary filling operation after needing to be gone into the well again improves the service efficiency of sampled well casing programme.
The locator of the embodiment of the present invention can be accurately positioned it is matching used adopt water instrument and detecting instrument, avoid adopting water instrument
Device and detecting instrument position deviate, to avoid the disturbing influence of groundwater environment, reduce water turbidity to monitoring parameters
It influences, makes sampling that there is authenticity.
In a specific embodiment, sampled well casing programme further includes sediment tube, is arranged in the sampled well well bore
The other end of structure is connect by the shaft bottom cylindrical shaft wall with the bottom of the Cai Shui working group.The sampled well casing programme exists
Sediment tube is located at the shaft bottom of sampled well when use state.
In a specific embodiment, sampled well casing programme further includes centralizer, and setting is in the fixed dress of the well head
The periphery for setting the cylindrical shaft wall of lower section, for adjusting the position of sampled well casing programme.
The fixation position of sampled well casing programme can be adjusted flexibly in the centralizer of the embodiment of the present invention according to depth-logger, right
Sampled well casing programme carries out centering correction, guarantees the center precision of sampled well casing programme, improves the reliable of sample water
Property.
In a specific embodiment, the connection of the fixed device of the well head and the well head cylindrical shaft wall is screw thread company
It connects, flanged joint, any one of clamp connection；The connection of the well head cylindrical shaft wall and the Cai Shui working group is screw thread company
It connects, flanged joint, any one of clamp connection；The connection of the Cai Shui working group and the shaft bottom cylindrical shaft wall is screw thread company
It connects, flanged joint, any one of clamp connection；The shaft bottom cylindrical shaft wall and the connection of the sediment tube be threadedly coupled, method
Any one of orchid connection, clamp connection；It is described adopt water seating nipple and the connection of the water harvesting layer cylindrical shaft wall be threadedly coupled, method
Any one of orchid connection, clamp connection.
It is each using types of attachment such as threaded connection, flanged joint, clamp connections between all parts of the embodiment of the present invention
Component can carry out any replacement, repeatedly disassembly installation, so that the flexibility of sampled well casing programme is greatly improved.
Embodiment two
On the basis of example 1, a kind of sampled well casing programme schematic diagram is present embodiments provided.Referring to Figure 1,
Fig. 1 is sampled well casing programme schematic diagram provided in an embodiment of the present invention, comprising: well head fixed device 1, cylindrical shaft wall, centralizer
3, Cai Shui working group, water harvesting layer cylindrical shaft wall, separator, sediment tube 15.
Further, sediment tube 15 collects fine sand and deposit in the borehole wall.
Further, Cai Shui working group include first adopt water seating nipple 4, second adopt water seating nipple 8, third adopts water seating nipple
12, water harvesting layer cylindrical shaft wall includes the first water harvesting layer cylindrical shaft wall 21, the second water harvesting layer cylindrical shaft wall 22, and separator includes the first separator
7, the second separator 11, cylindrical shaft wall include well head cylindrical shaft wall 23, shaft bottom cylindrical shaft wall 24.
Further, first adopt water seating nipple 4, second adopt water seating nipple 8, third adopts the length of water seating nipple 12 can root
Flexible setting is carried out according to the height of water harvesting layer.
Further, the top of sampled well casing programme is arranged in the fixed device 1 of well head, sets gradually the well head borehole wall down
Cylinder 23, first adopts water seating nipple 4, the first water harvesting layer cylindrical shaft wall 21, second adopts water seating nipple 8, the second water harvesting layer cylindrical shaft wall 22, the
Three adopt water seating nipple 12, shaft bottom cylindrical shaft wall 24, sediment tube 15；Wherein, the well below the fixed device 1 of well head is arranged in centralizer 3
The periphery of mouth cylindrical shaft wall 23, the first separator 7 are arranged in the first water harvesting layer cylindrical shaft wall 21 that first adopts below water seating nipple 4
The second inside for adopting the second water harvesting layer cylindrical shaft wall 22 below water seating nipple 8 is arranged in portion, the second separator 11.
The embodiment of the present invention will adopt water seating nipple and be integrated in one with cylindrical shaft wall, realize the height collection of sampled well casing programme
Cheng Hua.
The embodiment of the present invention adopts water seating nipple using three, when the underground water sampled is three layers, uses three
A water seating nipple of adopting samples three layers of underground water respectively, and separator is adopted water seating nipple for three and separated, can be to prevent
Only three samplings for adopting water seating nipple cross one another pollution, realize that adopting the layering of water seating nipple for three adopts water, improves the true of sample water
Reality, representativeness, reliability；Meanwhile using three adopting water seating nipple three sample levels while carrying out can be made to adopt water conservancy project and making,
It does not need to build three sampled wells sampled well well head quantity to be not only effectively reduced, but also improve the efficiency of shaft building to carry out adopting water.
The centralizer of the embodiment of the present invention is a kind of particle size connector with vertical bar or helical rib osteocomma, can be according to survey
The fixation position of sampled well casing programme is adjusted flexibly in well depth, carries out centering correction to sampled well casing programme, stablizes well bore
Structure prevents casing programme from tilting.
After each sample, it needs to adopt water seating nipple and precipitation cylinder cleans to each, and the setting of separator can be with
So that water seating nipple is respectively adopted and precipitation cylinder is cleaned step by step, so that sampled well casing programme use is more convenient.
Further, the connection relationship between all parts are as follows: the well head that sampled well casing programme top is arranged in is fixed
Device 1 connects the upper end of well head cylindrical shaft wall 23, the upper end that water seating nipple 4 is adopted in the lower end connection first of well head cylindrical shaft wall 23, and first
The lower end for adopting water seating nipple 4 is connected with the upper end of water harvesting layer cylindrical shaft wall 21, and water is adopted in the lower end connection second of water harvesting layer cylindrical shaft wall 21
The upper end of seating nipple 8, second adopts the upper end of the lower end connection water harvesting layer cylindrical shaft wall 22 of water seating nipple 8, water harvesting layer cylindrical shaft wall 22
Lower end connection third adopts the upper end of water seating nipple 12, and third adopts the upper end of the lower end connection shaft bottom cylindrical shaft wall 24 of water seating nipple 12,
The sediment tube 15 of sampled well casing programme end is arranged in the lower end connection of shaft bottom cylindrical shaft wall 24.
Further, well head is fixed the connection of device 1 and 2 upper end of well head cylindrical shaft wall, 2 lower end of well head cylindrical shaft wall and is adopted with first
The connection of 4 upper end of water seating nipple, first adopt the connection of 4 lower end of water seating nipple and 21 upper end of water harvesting layer cylindrical shaft wall, the water harvesting layer borehole wall
The connection of 8 upper end of water seating nipple is adopted with second, second adopts 8 lower end of water seating nipple and 22 upper end of water harvesting layer cylindrical shaft wall in 21 lower ends of cylinder
Connection, 22 lower end of water harvesting layer cylindrical shaft wall and third adopt the connection of 12 upper end of water seating nipple, third adopts 12 lower end of water seating nipple and heavy
The connection of shallow lake cylinder 15, these types of attachment can using threaded connection, flanged joint, in clamp connection any one or it is more
Kind, any type of attachment can make all parts closely connect, and guarantee that sampled well casing programme reaches sealing
State.
All parts are carried out survivor of a murder attempt's connection using threaded connection, flanged joint, clamp connection by the embodiment of the present invention, each
Component can carry out any replacement, dismantle installation repeatedly, and the flexibility of sampled well casing programme is greatly improved.
The present embodiment additionally provides a kind of structural schematic diagram of sampling operation cylinder.Fig. 2 is referred to, Fig. 2 is that the present invention is implemented
The structural schematic diagram for adopting water seating nipple that example provides, comprising: ring-shaped filter cylinder 201, collection match filtrate 202, locator.
Further, ring-shaped filter cylinder 201 includes inner cylinder 2011 and outer cylinder 2012, shape between inner cylinder 2011 and outer cylinder 2012
At interlayer, collection is filled in interlayer with filtrate 202, and locator is mounted on the inner wall of inner cylinder 2011.
The locator of the embodiment of the present invention is arranged according to the depth of falling well for adopting water instrument and detecting instrument, is accurately positioned mating
What is used adopts water instrument and detecting instrument, to avoid the disturbing influence of groundwater environment, reduces water turbidity to monitoring parameters
It influences, makes sampling that there is authenticity.
Further, the upper end of ring-shaped filter cylinder 201 is connect with the lower end of cylindrical shaft wall 25, is connected using thread seal；Ring
The lower end of shape filter cylinder 201 is connect with the upper end of cylindrical shaft wall 26, is connected using thread seal；Separation is provided in cylindrical shaft wall 26
Ring-shaped filter cylinder is adopted water seating nipple with lower layer and separated by device 203.
The inner cylinder 2011 of the present embodiment ring-shaped filter cylinder 201 and outer cylinder 2012 function as two layers of filter membrane, and collection is with filter
Material 202 is filled in two layers of filter membrane, and the impurity such as effective silt removed in water harvesting layer guarantee that collected water sample has and represent
Property.
Collection can fill corresponding collection according to different water harvesting layer water penetrations with filtrate and match filtrate, it is ensured that the permeability of water harvesting layer；
And the secondary filling operation after being gone into the well again is not needed, improve the service efficiency of sampled well casing programme.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (9)
1. a kind of sampled well casing programme based on Ground water Quality Survey characterized by comprising
Well head fixes device, and one end of sampled well casing programme is arranged in；
Cai Shui working group, top are connect by well head cylindrical shaft wall with the fixed device of the well head, and the Cai Shui working group includes
At least one adopts water seating nipple；
The other end of the sampled well casing programme is arranged in sediment tube, passes through shaft bottom cylindrical shaft wall and the Cai Shui working group
Bottom connection.
2. sampled well casing programme as described in claim 1, which is characterized in that the fixed device of the well head and the well head well
The connection of the connection of wall cylinder, the well head cylindrical shaft wall and the Cai Shui working group is threaded connection, flanged joint, clamp connection
Any one of.
3. sampled well casing programme as described in claim 1, which is characterized in that the Cai Shui working group and the shaft bottom borehole wall
The connection of cylinder, the connection of the shaft bottom cylindrical shaft wall and the sediment tube are threaded connection, flanged joint, times in clamp connection
It is a kind of.
4. sampled well casing programme as described in claim 1, which is characterized in that the Cai Shui working group adopts including at least two
Water seating nipple, two neighboring described adopt are attached between water seating nipple by water harvesting layer cylindrical shaft wall.
5. sampled well casing programme as claimed in claim 4, which is characterized in that be provided with separation in the water harvesting layer cylindrical shaft wall
Device.
6. sampled well casing programme as claimed in claim 4, which is characterized in that described to adopt water seating nipple and the water harvesting layer well
The connection of wall cylinder is any one of threaded connection, flanged joint, clamp connection.
7. sampled well casing programme as described in claim 1 or 4, which is characterized in that the water seating nipple of adopting includes:
Ring-shaped filter cylinder, including outer cylinder and inner cylinder, form interlayer between the outer cylinder and the inner cylinder；
Collection matches filtrate, is filled in the interlayer.
8. sampled well casing programme as claimed in claim 7, which is characterized in that described to adopt water seating nipple further include: locator,
It is mounted on the inner wall of the ring-shaped filter cylinder, for positioning to the depth for adopting water instrument and detecting instrument.
9. sampled well casing programme as described in claim 1, which is characterized in that further include:
The periphery of the well head cylindrical shaft wall is arranged in centralizer, for adjusting the position of the sampled well casing programme.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810712036.0A CN108982166A (en) | 2018-06-29 | 2018-06-29 | A kind of sampled well casing programme based on Ground water Quality Survey |
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| CN201810712036.0A CN108982166A (en) | 2018-06-29 | 2018-06-29 | A kind of sampled well casing programme based on Ground water Quality Survey |
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| CN201810712036.0A Pending CN108982166A (en) | 2018-06-29 | 2018-06-29 | A kind of sampled well casing programme based on Ground water Quality Survey |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115144349A (en) * | 2022-09-05 | 2022-10-04 | 时代华瑞（北京）环境科技有限公司 | Portable underground online water quality monitoring station and method for stealing drainage by utilizing tracing pipe network of portable underground online water quality monitoring station |
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Application publication date: 20181211 |