CN211122833U - Underground water layering pumping test modularization device - Google Patents
Underground water layering pumping test modularization device Download PDFInfo
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- CN211122833U CN211122833U CN201921966073.0U CN201921966073U CN211122833U CN 211122833 U CN211122833 U CN 211122833U CN 201921966073 U CN201921966073 U CN 201921966073U CN 211122833 U CN211122833 U CN 211122833U
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Abstract
The utility model relates to an experimental modular device that draws water of groundwater layering, including sleeve pipe, test tube, immersible pump, go up packer, lower packer, evenly offer the through-hole that is used for permeating water on the sleeve pipe, still include connector part and immersible pump shell. The utility model discloses the last packer of device, immersible pump shell, lower packer are connected through same connector part at the intraductal cover, realize the modularization equipment, and the configuration is optimized according to stratigraphic structure and experimental depth to assembly mode and connection order, and each part is easy quick replacement after impaired, prolongs pumping equipment stability and life, can reliably realize the test of drawing water in the deep stratum simultaneously.
Description
Technical Field
The utility model relates to an among the hydrogeology field, especially a groundwater layering test modularization device that draws water.
Background
In the hydrogeology field, groundwater layering is experimental vital, and relevant hydrogeology parameter in each aquifer of different degree of depth in the underground can effectively be obtained in this experiment, to rational evaluation, utilization and protection groundwater resource, has important science and practical meaning.
At present, what current layering adopted the experiment of adopting is the integral type equipment that upper and lower packer connect the immersible pump, and whole equipment is placed inside the sleeve pipe, when carrying out the multilayer test of drawing water underground, the immersible pump is connected with upper and lower part as atress piece adapting piece directness, puts the purpose section of drawing water under the immersible pump, then carries out the seat to upper and lower packer and seals the operation, later opens the water pump and just can draw water the test. In practical application, however, the submersible pump is always a short plate in the system, and due to the limitation of the bore diameter of the drill hole for the water-layer water pumping test, the submersible pumps for the water-layer water pumping test are all customized small-diameter submersible pumps, the lowering working depth is limited, and when the water-pumping test is needed to be deep, the water-pumping operation cannot be implemented; if a submersible pump with large submergence depth is adopted, the volume size of the submersible pump cannot meet the requirement of being placed into a drilled hole, and then the submersible pump is used as an upper bearing part and a lower bearing part, so that the structure of the submersible pump is damaged by the downward placement and the lifting of the integrated water pumping equipment after the drilled hole is not right or the well inclination exceeds a certain range; in order to ensure that the submersible pump is well stressed, the submersible pump must be designed and customized independently, so that the use of the water pump is greatly limited in the later period.
Disclosure of Invention
In order to overcome the current test device that draws water of groundwater layering not enough, the utility model provides a test modularization device that draws water of groundwater layering.
The utility model provides a technical scheme that its technical problem adopted is: the modularized device for the underground water layering pumping test comprises a sleeve, a test pipeline, a submersible pump, an upper packer and a lower packer, wherein through holes for water permeation are uniformly formed in the sleeve; the submersible pump is fixedly arranged in the submersible pump protective cover;
go up packer, built-in immersible pump safety cover, the lower packer that has the immersible pump loop through connector part series connection at intraductal top-down of cover, the test tube says through the delivery port that the packer connects the immersible pump go up the packer and the sleeve pipe outer wall position that the packer corresponds the position down is equipped with respectively and ends water expansion ring and lower stagnant water expansion ring.
Further preferably, go up packer, immersible pump safety cover and packer down and all be equipped with connector part assorted interface structure, be convenient for assemble the change of spare part to the device at the scene.
Preferably, the connector part is provided with a sealing element, so that the sealing reliability of connection of all parts is enhanced.
Preferably, the connector part is a threaded connection sleeve, and quick connection and installation on a construction site are realized.
Preferably, the upper water-stop expansion ring and the lower water-stop expansion ring are made of water-swellable rubber materials, and are elastically nested on the outer wall of the sleeve through the upper water-stop expansion ring and the lower water-stop expansion ring, so that the water can be sealed in a layered mode in the gap outside the sleeve.
Preferably, the upper packer and the lower packer are of closed cavity structures made of flexible materials and are respectively connected with external pressurizing devices, and layered closed water stop can be performed in the casing by controlling the outside of the well.
Preferably, the submersible pump is connected with an external power supply through a cable, so that the submersible pump can be conveniently pumped out of the well.
According to a further technical scheme, the utility model provides a groundwater stratified pumping test modularization device with the submersible pump as an upper part, which comprises a sleeve, a test pipeline, the submersible pump, an upper packer and a lower packer, wherein the sleeve is uniformly provided with through holes for water permeation, and also comprises a connector part, a submersible pump protection cover and a submersible pump water inlet part, and the submersible pump is fixedly arranged in the submersible pump protection cover;
a submersible pump protective cover, an upper packer, a submersible pump water inlet component and a lower packer which are internally provided with a submersible pump are sequentially connected in series through a connector component from top to bottom in the sleeve; the water outlet of the submersible pump is connected with the test pipeline, and the water inlet of the submersible pump is connected with the water inlet component of the submersible pump after penetrating through the upper packer; and the outer wall of the sleeve at the corresponding positions of the upper packer and the lower packer is respectively provided with an upper water stopping expansion ring and a lower water stopping expansion ring.
Preferably, go up packer, immersible pump safety cover, immersible pump and all be equipped with connector part assorted interface structure down the packer, be convenient for assemble the change of device and spare part at the scene.
Preferably, the submersible pump water inlet component is tubular and provided with a water inlet hole, the submersible pump is used for pumping water through the submersible pump water inlet component, and the water inlet depth position of the submersible pump extends downwards.
The utility model has the advantages that: the utility model discloses the last packer of device, immersible pump safety cover, lower packer are connected through same connector part at the intraductal cover of cover, realize the modularization equipment, and the configuration is optimized according to stratigraphic structure and experimental depth to the assembly mode and connection order, and each part is easy quick replacement after impaired, prolongs pumping equipment stability and life, can reliably realize the test of drawing water in the deep stratum simultaneously.
The specific innovation and the technical effect are as follows: 1. the immersible pump is installed in the immersible pump safety cover, and the immersible pump is through the interface structure with the immersible pump safety cover and is connected, and the immersible pump can be changed wantonly in same diameter specification series, and the immersible pump need not reuse special customization model specification, can select suitable immersible pump according to different groundwater reserves, and the later stage is used and is maintained and change the convenience, has improved the reliability and the continuity of the test of drawing water greatly.
2. The submersible pump protective cover bears stress, the submersible pump does not bear acting force of connecting the upper part and the lower part, the submersible pump does not need to be customized, the submersible pump is not easy to deform or damage, the failure rate is greatly reduced, and the submersible pump is more stable to use.
3. Each part can be as the single module of equipment, connects through same connector part, through different equipment methods between the part module, can realize immersible pump overhead, the put technical scheme in, can realize the experimental operation of different grade type aquifer water extraction, no longer receives the technical limitation of water pump parameter.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the structure of the connector assembly of the present invention;
fig. 3 is a schematic diagram of the present invention.
Parts and numbering in the figures:
1-a sleeve; 2-testing the pipeline; 3-a submersible pump; 4-setting a packer; 41-upper water stop expansion ring; 51-lower water-stop expansion ring; 5-lower packer; 6-a connector part; 7-submersible pump protective cover; 8-submersible pump water inlet component.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
As shown in fig. 1-2, the technical scheme of the submersible pump 3 is as follows: the modularized device for the underground water layering pumping test comprises a sleeve 1, a test pipeline 2, a submersible pump 3, an upper packer 4 and a lower packer 5, wherein through holes for water permeation are uniformly formed in the sleeve 1, the modularized device also comprises a connector part 6 and a submersible pump protection cover 7, and the submersible pump protection cover 7 is provided with a water inlet hole; the submersible pump 3 is fixedly arranged in the submersible pump protective cover 7; go up packer 4, built-in immersible pump safety cover 7, the lower packer 5 that has immersible pump 3 and loop through connector part 6 series connection from top to bottom in sleeve pipe 1, test pipeline 2 link up the delivery port that packer 4 connects immersible pump 3 go up packer 4 and the sleeve pipe 1 outer wall position that packer 5 corresponds the position down and be equipped with stagnant water bulge loop 41 and stagnant water bulge loop 51 down respectively.
Before the pumping test equipment is implemented, drilling a deep well of 100-200m in a construction site, knowing the distribution of each water layer through an excavated soil sample, and calculating the lowering depth position of the pumping test equipment. A plurality of sleeves 1 are connected and then sent into a deep well, an upper water stop expansion ring 41 and a lower water stop expansion ring 51 which are made of water-swelling rubber are arranged outside the sleeves 1 within a predicted range of the depth of a water-resisting layer test and are elastically nested on the outer wall of the sleeve 1.
The upper water-stop expansion ring 41 and the lower water-stop expansion ring 51 expand when encountering water after entering water, and seal the gap outside the sleeve 1, so that water layers outside the sleeve 1 in the deep well cannot be communicated. The wall of the sleeve 1 of the water pumping area is provided with a through hole for water permeation, so that water in a water layer at the test depth can normally soak into the sleeve 1.
The testing device is assembled on the ground, the submersible pump 3 is arranged in the submersible pump protection cover 7, the upper packer 4, the submersible pump protection cover 7 and the lower packer 5 are sequentially connected in series through the connector part 6 from top to bottom, and the testing pipeline 2 penetrates through the water outlet of the upper packer 4 connected with the submersible pump 3.
The upper packer 4, the submersible pump protective cover 7 and the lower packer 5 are all provided with interface structures matched with the connector part 6. The connector part 6 can adopt a threaded sleeve quick connection mode, and the connector part 6 is provided with a sealing element to enhance the sealing reliability of connection of all parts.
And after the assembly is finished, the packer is lowered from the inside of the casing 1 to the position of a depth test, namely the upper packer 4 and the lower packer 5 have the same depth as the upper water stop expansion ring 41 and the lower water stop expansion ring 51 on the outer wall of the casing 1 respectively.
The upper packer 4 and the lower packer 5 are closed cavity structures made of flexible materials and are connected with external pressurizing devices. The upper packer 4 and the lower packer 5 are pressurized by an external pressurizing device to inject liquid, and the upper packer 4 and the lower packer 5 are expanded in the casing 1 to carry out sealing and water stopping on the setting until each water layer area in the casing 1 is separated.
Then, the submersible pump 3 is started to pump water, water in a water pumping area enters the sleeve 1 through the water-permeable through hole in the wall of the sleeve 1 under the negative pressure pumping action of the submersible pump 3, then enters the water inlet of the submersible pump 3 through the water inlet hole of the submersible pump protective cover 7, and water outlet of the submersible pump 3 reaches the ground through the test pipeline 2, so that a water pumping detection experiment on a water layer with a set depth is realized. In addition, various sensors can be arranged in the device, and the device can measure related parameters such as water pressure, water temperature and water flow and is provided with walking channels of various cables.
Example 2
The technical proposal of the upper submersible pump 3 is as follows: as shown in fig. 3, the modularized device for the underground water stratified pumping experiment comprises a sleeve 1, a test pipeline 2, a submersible pump 3, an upper packer 4 and a lower packer 5, wherein through holes for water permeation are uniformly formed in the sleeve 1, the modularized device also comprises a connector part 6, a submersible pump protective cover 7 and a submersible pump water inlet part 8, and the submersible pump 3 is fixedly arranged in the submersible pump protective cover 7;
a submersible pump protective cover 7 with a submersible pump 3 arranged inside, an upper packer 4, a submersible pump water inlet component 8 and a lower packer 5 are sequentially connected in series through a connector component 6 from top to bottom in the sleeve 1; the water outlet of the submersible pump 3 is connected with the test pipeline 2, and the water inlet of the submersible pump 3 is connected with the submersible pump water inlet component 8 after penetrating through the upper packer 4; and an upper water-stopping expansion ring 41 and a lower water-stopping expansion ring 51 are respectively arranged at the outer wall positions of the casing 1 corresponding to the upper packer 4 and the lower packer 5.
Go up packer 4, immersible pump safety cover 7, connector part 6, immersible pump and intake part 8 and lower packer 5 and all be equipped with connector part 6 assorted interface structure.
The immersible pump is intake component 8 and is the tubulose to be equipped with the inlet opening for immersible pump 3 draws water through immersible pump intake component 8, and the degree of depth position of the intaking of immersible pump 3 can extend downwards.
The test preparation was the same as in example 1. Before the pumping experimental equipment is implemented, drilling a deep well of 100-200m in a construction site, knowing the distribution of each water layer through an excavated soil sample, and calculating the lowering depth position of the pumping experimental equipment. A plurality of sleeves 1 are connected and then sent into a deep well, and are placed in a set range of the testing depth of a water-resisting layer, an upper water-stopping expansion ring 41 and a lower water-stopping expansion ring 51 which are made of water-swelling rubber are arranged outside the sleeves 1 and are embedded on the outer wall of the sleeves 1 through self elasticity.
The upper water-stopping expansion ring 41 and the lower water-stopping expansion ring 51 expand when meeting water, so that the gap outside the casing 1 is closed, and water layers outside the casing 1 in the deep well cannot be communicated. The wall of the sleeve 1 of the water pumping area is provided with a through hole for water permeation, so that water in a water layer at the test depth can normally soak into the sleeve 1.
Experimental device assembles on ground, immersible pump 3 sets up in immersible pump safety cover 7, go up packer 4, immersible pump inlet unit 8, lower packer 5 loop through 6 series connection of joint part in sleeve pipe 1 from top to bottom, test tube 2, immersible pump 3's water inlet are connected to the delivery port of immersible pump 3 and are link up with immersible pump inlet unit 8 after packer 4 intercommunication.
And after the assembly is finished, the packer is lowered to the position with the set test depth from the inside of the casing 1, namely the upper packer 4 and the lower packer 5 are respectively the same as the upper water stop expansion ring 41 and the lower water stop expansion ring 51 on the outer wall of the casing 1 in depth.
The upper packer 4 and the lower packer 5 are closed cavity structures made of flexible materials and are connected with external pressurizing devices. The upper packer 4 and the lower packer 5 are pressurized by an external pressurizing device to inject liquid, and the upper packer 4 and the lower packer 5 are expanded and set to seal and stop water in the casing 1 until water layer areas in the casing 1 are separated.
Then, the submersible pump 3 is started again to pump water, water in a water pumping area enters the sleeve 1 through the through hole for water permeation on the wall of the sleeve 1 under the negative pressure pumping action of the submersible pump 3, then enters the submersible pump 3 through the submersible pump water inlet component 8, and water outlet of the submersible pump 3 reaches the ground through the test pipeline 2, so that a water pumping detection experiment on a water layer with a set depth is realized. In addition, various sensors can be arranged in the device, and the device can measure related parameters such as water pressure, water temperature and water flow and is provided with walking channels of various cables.
Adopt immersible pump 3 overhead mode, can reduce immersible pump 3's the degree of depth of transferring, greatly reduced resistance of drawing water.
The utility model adopts modularized components, which is convenient for installation, transportation and application, good component interchangeability, low cost of the whole equipment and repeated use; the submersible pump 3 is small in stress, the submersible pump 3 with the diameter meeting the requirement can be used for a water pumping test without being customized, and the submersible pump 3 is strong in replaceability; the submersible pump protective cover 7 bears stress and plays a role in protecting the submersible pump 3, so that the service life of the submersible pump 3 is prolonged; the component configuration scheme is free, the assembled embodiment can be configured according to the stratum structure and the depth, and the requirement of a water pumping test of a water layer of an underground deep well section can be met.
Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.
Claims (10)
1. The underground water stratified pumping test modularization device comprises a sleeve (1), a test pipeline (2), a submersible pump (3), an upper packer (4) and a lower packer (5), wherein through holes for water permeation are uniformly formed in the sleeve (1), and the underground water stratified pumping test modularization device is characterized by further comprising a connector component (6) and a submersible pump protection cover (7), wherein the submersible pump protection cover (7) is provided with a water inlet hole; the submersible pump (3) is fixedly arranged in the submersible pump protective cover (7);
go up packer (4), built-in immersible pump safety cover (7) that have immersible pump (3), packer (5) down loops through connector part (6) series connection from top to bottom in sleeve pipe (1), test pipeline (2) link up the delivery port that packer (4) connected immersible pump (3) go up sleeve pipe (1) outer wall position that packer (4) and lower packer (5) correspond the position and be equipped with stagnant water expansion ring (41) and stagnant water expansion ring (51) down respectively.
2. The underground water layering pumping test modular device according to claim 1, wherein the upper packer (4), the submersible pump protective cover (7) and the lower packer (5) are provided with interface structures matched with the connector component (6).
3. A test modular device for stratified pumping of groundwater according to claim 1, characterized in that the connection head piece (6) is provided with a sealing.
4. A test modular device for stratified pumping of groundwater according to claim 1, characterized in that the connector part (6) is a threaded connection sleeve.
5. The underground water layering water pumping test modular device according to any one of claims 1-4, characterized in that the upper water stopping expansion ring (41) and the lower water stopping expansion ring (51) are made of water swelling rubber materials, and the upper water stopping expansion ring (41) and the lower water stopping expansion ring (51) are elastically nested on the outer wall of the casing (1).
6. The underground water layering water pumping test modular device according to any one of claims 1-4, characterized in that the upper packer (4) and the lower packer (5) are of a closed cavity structure made of flexible materials, and are respectively connected with an external pressurizing device.
7. The underground water stratified pumping test modular device according to any one of claims 1 to 4, wherein the submersible pump (3) is connected with an external power supply through a cable.
8. The underground water stratified pumping test modularization device comprises a sleeve (1), a test pipeline (2), a submersible pump (3), an upper packer (4) and a lower packer (5), wherein through holes for water permeation are uniformly formed in the sleeve (1), and the underground water stratified pumping test modularization device is characterized by further comprising a connector component (6), a submersible pump protection cover (7) and a submersible pump water inlet component (8), wherein the submersible pump (3) is fixedly installed in the submersible pump protection cover (7);
a submersible pump protective cover (7) internally provided with a submersible pump (3), an upper packer (4), a submersible pump water inlet component (8) and a lower packer (5) are sequentially connected in series through a connector component (6) from top to bottom in a sleeve (1); a water outlet of the submersible pump (3) is connected with the test pipeline (2), and a water inlet of the submersible pump (3) is connected with a water inlet component (8) of the submersible pump after penetrating through the upper packer (4); and an upper water-stopping expansion ring (41) and a lower water-stopping expansion ring (51) are respectively arranged at the outer wall positions of the casing pipe (1) at the corresponding positions of the upper packer (4) and the lower packer (5).
9. The underground water layering pumping test modular device according to claim 8, wherein the upper packer (4), the submersible pump protective cover (7), the submersible pump water inlet component (8) and the lower packer (5) are provided with interface structures matched with the connector component (6).
10. The modular device for the stratified pumping test of underground water according to claim 8 or 9, characterized in that the submersible pump water inlet part (8) is tubular and provided with a water inlet hole.
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| CN201921966073.0U CN211122833U (en) | 2019-11-14 | 2019-11-14 | Underground water layering pumping test modularization device |
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| CN201921966073.0U CN211122833U (en) | 2019-11-14 | 2019-11-14 | Underground water layering pumping test modularization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702871A (en) * | 2019-11-14 | 2020-01-17 | 四川省地质工程勘察院集团有限公司 | Underground water layering pumping test modularization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702871A (en) * | 2019-11-14 | 2020-01-17 | 四川省地质工程勘察院集团有限公司 | Underground water layering pumping test modularization device |
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