CN209673433U - A kind of device for fixed point sampling applied to geothermal well bailing test - Google Patents
A kind of device for fixed point sampling applied to geothermal well bailing test Download PDFInfo
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- CN209673433U CN209673433U CN201821972475.7U CN201821972475U CN209673433U CN 209673433 U CN209673433 U CN 209673433U CN 201821972475 U CN201821972475 U CN 201821972475U CN 209673433 U CN209673433 U CN 209673433U
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- water
- occluding body
- fixed point
- point sampling
- geothermal well
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Abstract
The utility model relates to a kind of device for fixed point sampling applied to geothermal well bailing test.The upper end of first occluding body, the upper end of second occluding body is flexibly connected with couple axle, the lower end of second occluding body is flexibly connected with the supporter for passing through the second occluding body, first occluding body, second occluding body can form water space with the inner wall of the device for fixed point sampling, water enters intake antrum by water inlet, the first occluding body is driven to move up, it passes water through the first occluding body and enters water space, the water of sample position is intercepted, structure is simple, configuration without water pump and charging circuit, spot sampling can be realized, and in sampling process, without drawing water, avoid because draw water generate turbulent flow caused by different water cut layer mixing, cause interpretation of result unfounded.The utility model it is initiative provide this be applied to geothermal well bailing test device for fixed point sampling, for depth geothermal well, the especially water sample analysis of 1000m or more geothermal well have far reaching significance.
Description
Technical field
The utility model belongs to geothermal well groundwater sampling technology more particularly to a kind of applied to geothermal well bailing test
Device for fixed point sampling.
Background technique
Geothermal well groundwater sampling technology is the core of groundwater monitoring in Hydrogeological Work, but due in earth formation
There are velatively waterproof layers, therefore underground water is also layered therewith, and the index of each layer water and constituent are also not quite similar, so
Stratified Sampling is needed, it is accurate in order to analyze result, it needs to carry out spot sampling to a certain single water-bearing layer, avoid blending, in order to avoid
It interferes with each other, causes interpretation of result unfounded, presently used sampler structure is typically complex, some are also needed and water pump
And charging circuit connection, configuration is complicated, and when sampling, because the turbulent flow for generation of drawing water will cause the mixing of different water cut layer water, nothing
Method takes the original-pack water sample for position of drawing water, and causes interpretation of result unfounded, if the mode for taking water extraction earth's surface to be sampled again, by
In CO2The spilling of equal gases and the oxidation of water sample, it is inaccurate to will also result in water sample result.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide one kind to be applied to geothermal well bailing test
Device for fixed point sampling.
According to the utility model, a kind of device for fixed point sampling applied to geothermal well bailing test, the fixed point are provided
Sampler successively includes water inlet, intake antrum, several first occluding bodies, several second occluding bodies, the water inlet from bottom to up
Mouth is connected to the intake antrum, the pushing structure that setting drives first occluding body to move up in the intake antrum, described
The lower end of first occluding body is flexibly connected with the inner wall of the device for fixed point sampling, the upper end of first occluding body, institute
The upper end for stating the second occluding body is flexibly connected with couple axle, the lower end of second occluding body with pass through second envelope
The supporter of stifled body is flexibly connected, and first occluding body, second occluding body can be with the inner walls of the device for fixed point sampling
Water space is formed, water enters intake antrum by water inlet, triggers the pushing structure driving first occluding body to moving up
It is dynamic, first occluding body is passed water through into the water space.
Further, the pushing structure includes that movable sphere, sliding bar, sliding can be carried out along water inlet chamber limit range
Bar is flexibly connected with first occluding body, and water enters intake antrum, and sphere, which floats, pushes sliding bar to move up, the sliding bar
It moves up and the first occluding body is pushed to move up around the inner wall of the device for fixed point sampling, drive second envelope through couple axle
Stifled body is moved up around the supporter.
Further, sliding bar is configured with the sliding groove for sliding bar sliding, which is fixed on first level branch
On frame, first level branch is erected at the end of intake antrum, and the first level bracket is mutually perpendicular to the supporter.
Further, water flow enters intake antrum, jacks up sphere since pressure acts on, sphere jacks up sliding bar and pushes sliding bar
It moves up, the sliding bar, which moves up, pushes the first occluding body to move up around the inner wall of the device for fixed point sampling, passes through
Couple axle drives second occluding body to move up around the supporter, passes water through first occluding body into the storage
Hydrospace.
When the device for fixed point sampling is left the water, the first occluding body, the second occluding body, sphere are fallen after rise, the first occluding body,
The closing of second occluding body, forms dead-air space, and the water of the water space is stored in the dead-air space to be formed, and sampling is completed.
The supporter is successively vertically arranged the second horizontal bracket, third horizontal bracket, the first level from bottom to up
Bracket, second horizontal bracket are bonded with the inner wall of the device for fixed point sampling respectively, and third horizontal bracket, which is located at, to be interlocked
The inside of axis.
Second occluding body is movably connected with the support position in the upper surface of described third horizontal bracket.
The device for fixed point sampling is mounted in the aqueduct body of water-stop.
The above-mentioned device for fixed point sampling applied to geothermal well bailing test is applied to the depth geothermal well of 400m or more, especially
It is the geothermal well sampling of 1000m or more.
Compared with prior art, the utility model has the following beneficial effects:
The exemplary device for fixed point sampling applied to geothermal well bailing test of the utility model, first occluding body it is upper
End, second occluding body upper end be flexibly connected with couple axle, the lower end of second occluding body with pass through institute
The supporter for stating the second occluding body is flexibly connected, and first occluding body, second occluding body can be filled with the spot sampling
The inner wall set forms water space, and water enters intake antrum by water inlet, triggers the pushing structure driving described first and blocks
Body moves up, and passes water through first occluding body into the water space, to the spot sampling in a certain single water-bearing layer,
The water of sample position is intercepted, structure is simple, without the configuration of water pump and charging circuit, spot sampling can be realized, and
In sampling process, without drawing water, avoid because draw water generate turbulent flow caused by different water cut layer mixing, cause interpretation of result to lose
It is real.It is sampled applied to the depth geothermal well of 400m or more, the especially well of 1000m or more or geothermal well, at present for depth
The well or geothermal well of geothermal well, especially 1000m or more carry out the device of spot sampling not yet, and the utility model is initiative
Provide this be applied to geothermal well bailing test device for fixed point sampling, for depth geothermal well, especially 1000m or more
The water sample analysis of well or geothermal well has far reaching significance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the device for fixed point sampling that the utility model is applied to geothermal well bailing test,
In figure, 1 intake antrum, 2 first occluding bodies, 3 second occluding bodies, 4 couple axles, 5 supporters, 6 first level brackets, 7
Second horizontal bracket, 8 third horizontal brackets, 9 spheres, 10 sliding bars, 11 sliding grooves, 12 flange-interfaces.
Specific embodiment
In order to be better understood by the technical solution of the utility model, combined with specific embodiments below, Figure of description to this
Utility model is described further.
Embodiment one:
The embodiment of the present invention device for fixed point sampling successively includes water inlet, intake antrum 1, several first closure from bottom to up
Body 2, several second occluding bodies 3, the first occluding body 2, the second occluding body 3 may each comprise multiple monomers, such as 4 monomers, each
Monomer can be made of the support constructions such as rubber body and steel plate or plastics, since rubber body may go out when environment temperature is higher
It now shrinks, needs to support and fix by support construction the effect of shape, the water inlet and the intake antrum 1 connect
Lead to, the pushing structure that setting drives first occluding body 2 to move up in the intake antrum 1, under first occluding body 2
End is flexibly connected with the inner wall of the device for fixed point sampling, the upper end of first occluding body 2, second occluding body 3
Upper end be flexibly connected with couple axle 4, the lower end of second occluding body 3 with pass through second occluding body 3 branch
Support body 5 is flexibly connected, and it is horizontal that supporter 5 is successively vertically arranged first level bracket 6, the second horizontal bracket 7, third from bottom to up
Bracket 8, the first level bracket 6, second horizontal bracket 7 are bonded with the inner wall of the device for fixed point sampling respectively,
Third horizontal bracket 8 is located at the inside of couple axle 4.Second occluding body 2 is with 5 articulated positions of supporter in the third
The upper surface of horizontal bracket 8, first occluding body 2, second occluding body 3 are respectively formed class hinge structure, and described first blocks
Body 2, second occluding body 3 can form water space with the inner wall of the device for fixed point sampling, when water does not enter intake antrum 1,
First occluding body 2,3 section of the second occluding body are taper, and the pushing structure includes that can limit range carry out activity along intake antrum 1
Sphere 9, sliding bar 10, sliding bar 10 is configured with the sliding groove 11 that sliding bar 10 slides, which is fixed on the first water
On flat bracket 6, first level bracket 6 is located at the end of intake antrum 1, and the first level bracket 6 mutually hangs down with the supporter 5
Directly, the sliding bar 10 is flexibly connected with first occluding body 2, when drawing water, top head pressure reduction, and the device lower part water
Stream enters intake antrum 1, jacks up sphere 9 since pressure acts on, sphere 9 jacks up sliding bar 10 and sliding bar 10 is pushed to move up, institute
State sliding bar 10 move up push the first occluding body 2 moved up around the inner wall of the device for fixed point sampling, driven through couple axle 4
Second occluding body 3 is moved to move up around the supporter 5.First occluding body 2 is jacked up by sliding bar 10, at this time by
In the effect of couple axle 4, second occluding body 3 is also opened, formed water-permeable passage, pass water through first occluding body 2 into
Enter the water space, i.e. water flow enters sampler cavity.
The device for fixed point sampling for being applied to geothermal well bailing test can be mounted on water-stop by flange-interface 12
In aqueduct body, water-bearing layer by aqueduct body can connection, water-stop can pacify by flange-interface 12 or thread etc.
It sets in drilling rod front end, when carrying out layering bailing test, will be put under drilling rod in the casing of geothermal well, it, can after drawing water
To take the original-pack water sample for position of drawing water, avoid because draw water generate turbulent flow caused by different water cut layer water mixing, realization mentions brill and (mentions
Drilling rod) while can take deep water water sample.
The device can intercept lower part water in the case where nothing draws water pressure head, when mentioning brill after drawing water,
Due to gravity and top water flow pressure, the first occluding body 2, the second occluding body 3, sphere 9 are fallen after rise, the first occluding body 2, second
Occluding body 3 is closed, and dead-air space is formed, and sampling is completed, and in the case where nothing draws water pressure head, is intercepted to lower part water,
And it avoids to draw water and extracts CO when earth's surface is sampled again out2The spilling and oxidation of equal gases, avoid the mistake to water sample detection data
Difference, the apparatus structure is simple, easy to operate, without the configuration of electricity device and charging circuit, reduces sampling cost, and drop
Low operation difficulty, without considering the maintenance and decentralization problem of electricity device and charging circuit.The device is mainly used for for
The depth geothermal well of 400m or more, the especially well of 1000m or more or geothermal well sampling, especially to deep geothermal heat water stratification
Sampling.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that utility model range involved in the application, however it is not limited to made of the specific combination of above-mentioned technical characteristic
Technical solution, at the same should also cover do not depart from the utility model design in the case where, by above-mentioned technical characteristic or its be equal
Feature carries out any combination and other technical solutions for being formed.Such as features described above and (but being not limited to) disclosed herein have
There are similar functions.
Claims (8)
1. a kind of device for fixed point sampling applied to geothermal well bailing test, characterized in that the device for fixed point sampling from down toward
On successively include water inlet, intake antrum, several first occluding bodies, several second occluding bodies, the water inlet and the intake antrum
It is connected to, the pushing structure that setting drives first occluding body to move up in the intake antrum, under first occluding body
End is flexibly connected with the inner wall of the device for fixed point sampling, the upper end of first occluding body, second occluding body
Upper end is flexibly connected with couple axle, and the lower end of second occluding body and the supporter for passing through second occluding body are living
Dynamic connection, first occluding body, second occluding body can form water space, water with the inner wall of the device for fixed point sampling
Enter intake antrum by water inlet, trigger the pushing structure and first occluding body is driven to move up, passes water through described
First occluding body enters the water space.
2. the device for fixed point sampling according to claim 1 applied to geothermal well bailing test, characterized in that the promotion
Structure includes that movable sphere, sliding bar can be carried out along water inlet chamber limit range, and sliding bar and the first occluding body activity connect
Connect, water enters intake antrum, and sphere, which floats, pushes sliding bar to move up, the sliding bar move up push the first occluding body around
The inner wall of the device for fixed point sampling moves up, and drives second occluding body around the supporter to moving up through couple axle
It is dynamic.
3. the device for fixed point sampling according to claim 2 applied to geothermal well bailing test, characterized in that sliding bar is matched
Be equipped with the sliding groove for sliding bar sliding, the sliding groove is fixed on first level bracket, first level branch be erected at into
The end of water cavity, the first level bracket are mutually perpendicular to the supporter.
4. the device for fixed point sampling according to claim 3 applied to geothermal well bailing test, characterized in that water flow enters
Intake antrum jacks up sphere since pressure acts on, and sphere jacks up sliding bar and sliding bar is pushed to move up, and the sliding bar is to moving up
It is dynamic that the first occluding body is pushed to move up around the inner wall of the device for fixed point sampling, through couple axle drive second occluding body around
The supporter moves up, and passes water through first occluding body into the water space.
5. the device for fixed point sampling according to claim 4 applied to geothermal well bailing test, characterized in that the fixed point
When sampler is left the water, the first occluding body, the second occluding body, sphere are fallen after rise, the first occluding body, the closing of the second occluding body,
Dead-air space is formed, the water of the water space is stored in the dead-air space to be formed, and sampling is completed.
6. the device for fixed point sampling according to claim 4 applied to geothermal well bailing test, characterized in that the support
Body is successively vertically arranged the second horizontal bracket, third horizontal bracket, the first level bracket, second level from bottom to up
Bracket is bonded with the inner wall of the device for fixed point sampling respectively, and third horizontal bracket is located at the inside of couple axle.
7. the device for fixed point sampling according to claim 6 applied to geothermal well bailing test, characterized in that described second
Occluding body is movably connected with the support position in the upper surface of described third horizontal bracket.
8. -7 any device for fixed point sampling applied to geothermal well bailing test according to claim 1, characterized in that institute
Device for fixed point sampling is stated to be mounted in the aqueduct body of water-stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821972475.7U CN209673433U (en) | 2018-11-28 | 2018-11-28 | A kind of device for fixed point sampling applied to geothermal well bailing test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821972475.7U CN209673433U (en) | 2018-11-28 | 2018-11-28 | A kind of device for fixed point sampling applied to geothermal well bailing test |
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| Publication Number | Publication Date |
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| CN209673433U true CN209673433U (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821972475.7U Expired - Fee Related CN209673433U (en) | 2018-11-28 | 2018-11-28 | A kind of device for fixed point sampling applied to geothermal well bailing test |
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| CN (1) | CN209673433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653704A (en) * | 2018-11-28 | 2019-04-19 | 山东省地质矿产勘查开发局第三水文地质工程地质大队(山东省鲁南地质工程勘察院) | Water stopper, layered water stopping device and system applied to geothermal well water pumping test |
| CN115234229A (en) * | 2022-07-29 | 2022-10-25 | 山东省煤田地质局第一勘探队 | Fixed-point sampling device applied to geothermal well pumping test |
-
2018
- 2018-11-28 CN CN201821972475.7U patent/CN209673433U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653704A (en) * | 2018-11-28 | 2019-04-19 | 山东省地质矿产勘查开发局第三水文地质工程地质大队(山东省鲁南地质工程勘察院) | Water stopper, layered water stopping device and system applied to geothermal well water pumping test |
| CN115234229A (en) * | 2022-07-29 | 2022-10-25 | 山东省煤田地质局第一勘探队 | Fixed-point sampling device applied to geothermal well pumping test |
| CN115234229B (en) * | 2022-07-29 | 2024-07-19 | 山东省煤田地质局第一勘探队 | Fixed-point sampling device applied to geothermal well pumping test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200526 Address after: 272100 No. 272 East Road, Yanzhou District, Shandong, Jining Patentee after: Shandong Southern Shandong Geological Engineering Investigation Institute (Second Geological Brigade of Shandong Geological Survey Bureau) Address before: 272000 No. 272 East Jianhe Road, Yanzhou District, Jining, Shandong. Patentee before: THE THIRD HYDROGEOLOGY ENGINEERING GEOLOGY BRIGADE OF SHANDONG BUREAU OF GEOLOGY AND MINERAL EXPLORATION AND DEVELOPMENT (SHANDONG LUNAN GEOLOGICAL ENGINEERING SURVEY INSTITUTE) |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 Termination date: 20211128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |