CN218933179U - Filter pipe of vacuum dewatering well - Google Patents
Filter pipe of vacuum dewatering well Download PDFInfo
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- CN218933179U CN218933179U CN202223347532.1U CN202223347532U CN218933179U CN 218933179 U CN218933179 U CN 218933179U CN 202223347532 U CN202223347532 U CN 202223347532U CN 218933179 U CN218933179 U CN 218933179U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model provides a vacuum dewatering well filter pipe which comprises a plurality of filter units, a plurality of connecting parts and a plurality of limiting parts, wherein the filter units are sequentially arranged along the axial extension direction of the filter units and are used for filtering rock-soil penetrating water; the connecting parts are arranged between two adjacent filtering units and are used for limiting the two adjacent filtering units in the vertical direction; the utility model provides a plurality of spacing portion, set up between two adjacent filter units for carry out the horizontal direction spacing to two adjacent filter units, when the concatenation through a plurality of filter unit that sets up, through the cooperation of connecting portion and spacing portion, make two adjacent filter units's relative position spacing, and then can splice filter unit, be applicable to the use of different foundation ditch, thereby improved the suitability, simultaneously, concatenation process is simple and convenient, and the installation effectiveness is high.
Description
Technical Field
The utility model relates to the technical field of foundation pit dewatering, in particular to a filter pipe of a vacuum dewatering well.
Background
The deep foundation pit is a project with the excavation depth exceeding 5 meters or the depth not exceeding 5 meters, but the geological conditions, the surrounding environment and the underground pipeline are particularly complex, and because the underground water can affect the excavation of the deep foundation pit, before the deep foundation pit is excavated, the underground water at the position of the deep foundation pit needs to be extracted, and when the underground water is extracted, a bridge type filter pipe is needed to filter the underground water.
The chinese patent with publication number CN214634651U discloses bridge type filter tube for deep foundation pit dewatering well, which comprises a tube body, the concentric protective cylinder that sets up in the body outside, locate the thin bamboo strip between body and the protective cylinder and locate the baffle ring at body both ends, the drainage hole has all been seted up on body and the protective cylinder, the both ends of thin bamboo strip all contradict with the baffle ring, bridge type filter tube length among the prior art is comparatively fixed, in the work progress, need customize filter tube's length alone according to foundation ditch and groundwater condition, unable concatenation is applicable to the use of different foundation ditch, thereby the suitability has been reduced.
Disclosure of Invention
In view of the above, the utility model provides a vacuum dewatering well filter pipe which can be used according to different requirements according to spliced pipe wells according to actual construction conditions of different foundation pits, thereby improving applicability.
The technical scheme of the utility model is realized as follows: the utility model provides a vacuum dewatering well filter pipe, which comprises a plurality of filter units, wherein the filter units are sequentially arranged along the axial extension direction of the filter units and are used for filtering rock-soil penetrating water;
the connecting parts are arranged between two adjacent filtering units and are used for limiting the two adjacent filtering units in the vertical direction;
the limiting parts are arranged between two adjacent filtering units and used for limiting the two adjacent filtering units in the horizontal direction.
On the basis of the technical proposal, preferably, the filter unit comprises a protective tube, an inner tube, a filter screen, a filter material layer and a connecting disc, wherein,
the protective tube and the inner tube are coaxially arranged on the connecting disc, and a gap is formed between the protective tube and the inner tube;
the filter screen is arranged on the outer side of the inner pipe;
the filter material layer is filled in the gap between the filter screen and the protective tube.
The diameter of the connecting disc is equal to that of the protection tube, and a connecting hole matched with the inner tube diameter of the inner tube is formed in the middle of the connecting disc and communicated with the inner tube.
On the basis of the technical proposal, preferably, the connecting part comprises two splicing sections and a connecting section, wherein,
a plurality of limit grooves are formed in one side, away from the connecting disc, of the protective tube;
the two plug-in sections are fixed on the connecting section and are symmetrically arranged along the horizontal direction of the connecting section;
during splicing, the two splicing sections are correspondingly spliced into the two adjacent limiting grooves respectively and are used for longitudinally positioning the two adjacent filtering units.
On the basis of the technical scheme, preferably, the shapes of the two limit groove combinations are matched with the shapes of the connecting parts, the connecting parts are inserted into the limit grooves, and one side of the connecting parts away from the limit grooves is flush with the outer wall of the protective tube.
On the basis of the technical scheme, preferably, the limiting parts are respectively arranged on one side, far away from the protective tube, of each connecting disc, positioning grooves matched with the limiting parts are respectively formed in one side, far away from the connecting disc, of each protective tube, and the positions of the limiting parts are corresponding to each other, and when two adjacent filter units are spliced, the limiting parts are spliced into the positioning grooves and are used for transversely positioning the two adjacent filter units.
On the basis of the technical proposal, the utility model preferably further comprises two sealing pipe covers, a plurality of sealing rings, an exhaust pipe and a water suction pipe, wherein,
the two sealing tube covers are respectively arranged at the openings of the two filter units at the farthest ends and are sealed with the two filter units;
the sealing rings are sleeved on the outer sides of the sealing pipe covers;
the exhaust pipe and the water pumping pipe are both arranged on the sealing pipe cover at one side and are communicated with the inner pipe.
On the basis of the technical proposal, the lifting lug also comprises a plurality of lifting lugs, wherein,
the lifting lugs are fixed on the sealing tube cover on one side provided with the sealing ring and are used for lifting the filtering unit.
Compared with the prior art, the vacuum dewatering well filter pipe has the following beneficial effects:
(1) When the plurality of filter units are spliced, the relative positions of the two adjacent filter units are limited through the matching of the connecting parts and the limiting parts, so that the filter units can be spliced, and the method is suitable for use of different foundation pits, so that the applicability is improved, and meanwhile, the splicing process is simple and convenient, and the installation efficiency is high;
(2) The filtering effect of the permeable water of the permeable layer can be improved by arranging the filtering material layer and the filter screen on the outer side of the inner pipe in sequence;
(3) The sealing ring arranged outside the sealing pipe cover can be relatively sealed and fixed with the inner wall of the pipe well through extrusion force, and the exhaust pipe directly penetrates through the sealing pipe cover and stretches into the protection pipe, so that the sealing and exhaust efficiency is higher compared with that of the ground pipe well in the prior art.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a vacuum dewatering well filter tube of the present utility model;
FIG. 2 is a cross-sectional view of a vacuum dewatering well filter tube of the present utility model;
FIG. 3 is an enlarged schematic view of a portion of the vacuum dewatering well filter tube of the present utility model at A in FIG. 2;
FIG. 4 is a cross-sectional view of the connection structure between the inner tube and the filter screen of the filter tube of the vacuum dewatering well of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
As shown in fig. 1 to 4, the vacuum dewatering well filter pipe comprises a plurality of filter units 1, a plurality of connecting parts 2 and a plurality of limiting parts 3, wherein the filter units 1 are sequentially arranged along the axial extension direction of the filter units and are used for filtering rock-soil penetrating water; the connecting parts 2 are arranged between two adjacent filter units 1 and are used for limiting the two adjacent filter units 1 in the vertical direction; the limiting parts 3 are arranged between two adjacent filtering units 1 and are used for limiting the two adjacent filtering units 1 in the horizontal direction.
According to the embodiment, when a plurality of filter units 1 need to be spliced, the plurality of filter units 1 are aligned in sequence according to the height direction, and are positioned through the limiting part 3, so that the adjacent two filter units 1 are prevented from shifting left and right, then are spliced between the adjacent two filter units 1 through the connecting part 2, the adjacent two filter units 1 are prevented from shifting up and down, and the relative positions of the adjacent two filter units 1 can be fixed, so that the splicing is completed.
It should be noted that, through setting up a plurality of filter units 1 and corresponding connecting portion 2 and spacing portion 3 and cooperateing and splice, applicable in the use of different foundation ditch, satisfy different demands and use to the suitability has been improved.
As a preferred embodiment, the filter unit 1 comprises a protective tube 11, an inner tube 12, a filter screen 13, a filter material layer 14 and a connecting disc 15, wherein the protective tube 11 and the inner tube 12 are coaxially arranged on the connecting disc 15, and a gap is arranged between the protective tube 11 and the inner tube 12; the filter screen 13 is arranged on the outer side of the inner tube 12; the filter layer 14 is filled in the gap between the filter screen 13 and the protection tube 11.
It should be noted that, the inner tube 12 is a straight bridge type filter tube, and the straight bridge type filter tube is provided with evenly distributed protrusions and filter holes corresponding to the protrusions, which is the prior art and will not be described herein in detail.
In addition, the outside of the protection pipe 11 is provided with uniformly distributed penetration holes, and water penetrated in the penetration layer is filtered and flowed into the inner pipe 12 through the penetration holes sequentially through the filtering material layer 14 and the filter screen 13.
The diameter of the connecting disc 15 is equal to that of the protective tube 11, a connecting hole 150 matched with the inner tube diameter of the inner tube 12 is formed in the middle of the connecting disc 15, and the connecting hole 150 is communicated with the inner tube 12.
It should be noted that, after the splicing, the two adjacent inner pipes 12 are communicated with the connecting hole 150 of the connecting disc 15, so that a circulation channel is formed inside the spliced whole filter pipe, and meanwhile, the outer walls of the two adjacent filter units 1 after the splicing are arranged in a flush way, so that the filter pipe is convenient to be attached to the inner wall of the dewatering well during the later installation.
Specifically, the filter screen 13 is one of a metal mesh or a nylon mesh, wherein the nylon mesh is used in some corroded rock layers, and the metal mesh is conventionally adopted, and the specification of the filter screen 13 is 60 meshes.
The filter layer 14 is a gravel particle whose gravel particle is larger than the pore size of the filter screen 13.
As a preferred embodiment, the plurality of limiting parts 3 are respectively arranged on one side of each connecting disc 15 far away from the protective tube 11, the locating grooves 110 matched with the limiting parts 3 are respectively arranged on one side of each protective tube 11 far away from the connecting disc 15, and the positions of the limiting parts are corresponding to each other, and when the two adjacent filter units 1 are spliced, the limiting parts 3 are spliced into the locating grooves 110 for transversely locating the two adjacent filter units 1.
It should be noted that, when two adjacent filter units 1 are spliced, the upper limiting portion 3 is inserted into the positioning slot 110 corresponding to the lower portion, so that the two adjacent filter units 1 can be initially positioned, and the subsequent connection portion 2 is convenient to be spliced with the two adjacent filter units 1.
Specifically, the shape of the limiting portion 3 may be a column or a boss, and the outer contour of the limiting portion 3 is matched with the inner contour of the positioning groove 110.
As a preferred embodiment, the connecting part 2 comprises two plug-in sections 21 and a connecting section 22, wherein a plurality of limit grooves 400 are formed on one side of the protective tube 11 away from the connecting disc 15; the two plug-in sections 21 are fixed on the connecting section 22, and the two plug-in sections 21 are symmetrically arranged along the horizontal direction of the connecting section 22; during splicing, the two plugging sections 21 are correspondingly plugged into the two adjacent limiting grooves 400 respectively, and are used for longitudinally positioning the two adjacent filter units 1.
It should be noted that, the two inserting sections 21 and the connecting section 22 are of an integral structure, and the two limiting grooves 400 are not communicated or are partially communicated, after the adjacent two filter units 1 are initially positioned by the limiting portion 3, the positions of the adjacent two limiting grooves 400 are located at corresponding positions, and when the two inserting sections 21 are respectively inserted into the adjacent two corresponding limiting grooves 400, the adjacent two filter units 1 can be further limited.
The connecting portion 2 is in interference fit with the limiting groove 400, so that the connecting portion 2 is prevented from falling off from the inside after being inserted.
And, the shape of two spacing groove 400 combinations matches with the shape of connecting portion 2, and connecting portion 2 peg graft into spacing groove 400, and the one side that connecting portion 2 kept away from spacing groove 400 is parallel and level with the outer wall of pillar 11.
It should be noted that, in this embodiment, the shape formed by combining the two plugging sections 21 and the connecting section 22 is concave, wherein the shape of the two limiting grooves 400 after being combined is convex, and the connecting portion 2 is aligned with the protecting pipe 11 after being plugged into the limiting grooves 400, so as to be convenient for being attached to the inner wall of the dewatering well during the later installation.
As a preferred embodiment, the filter further comprises two sealing tube covers 5, a plurality of sealing rings 6, an exhaust tube 7 and an exhaust tube 8, wherein the two sealing tube covers 5 are respectively arranged at the openings of the two filter units 1 at the farthest ends and are sealed with the two filter units; a plurality of sealing rings 6 are sleeved on the outer side of the sealing pipe cover 5; the air extraction pipe 7 and the air extraction pipe 8 are arranged on the sealing pipe cover 5 at one side and are communicated with the inner pipe 12.
It should be noted that, the sealing tube cover 5 may be connected with the protecting tube 11 by internal threads, so that the two sealing tube covers 5 may be connected with the two protecting tubes 11 at the farthest side by threads respectively, the air extraction tube 7 is connected with the air extraction end of the external vacuum machine, and the water extraction tube 8 is connected with the water extraction end of the external water pump.
When the filter tube is installed in a well tube, the sealing ring 6 is arranged on the outer side of the sealing tube cover 5 and is fixed with the inner wall of the well tube through extrusion force, meanwhile, the well tube section below the filter tube is in a sealing state, and the vacuum machine outside is matched with the air extraction tube 7 to directly extract air from a rock soil layer below the sealing tube cover 5.
As a preferred embodiment, the filter unit further comprises a plurality of lifting lugs 9, and the plurality of lifting lugs 9 are fixed on the sealing tube cover 5 at one side provided with the sealing ring 6 and are used for lifting the filter unit 1.
Working principle:
during splicing, the number of the filter units 1 is selected according to requirements, then the filter units 1 are aligned in sequence, the adjacent positioning grooves 110 are spliced by the limiting parts 3, the positions of the two adjacent filter units 1 are initially positioned, then the connecting parts 2 are simultaneously spliced into the two adjacent limiting grooves 400, and then the two adjacent filter units 1 are fixed at the transverse and longitudinal positions to finish splicing.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The vacuum dewatering well filter pipe is characterized by comprising a plurality of filter units (1) which are sequentially arranged along the axial extension direction of the filter units and are used for filtering rock-soil penetrating water;
the connecting parts (2) are arranged between two adjacent filter units (1) and are used for limiting the two adjacent filter units (1) in the vertical direction;
and the limiting parts (3) are arranged between two adjacent filtering units (1) and are used for limiting the two adjacent filtering units (1) in the horizontal direction.
2. The vacuum dewatering well filter tube of claim 1, wherein: the filter unit (1) comprises a protective tube (11), an inner tube (12), a filter screen (13), a filter material layer (14) and a connecting disc (15), wherein,
the protective tube (11) and the inner tube (12) are coaxially arranged on the connecting disc (15), and a gap is formed between the protective tube (11) and the inner tube (12);
the filter screen (13) is arranged at the outer side of the inner pipe (12);
the filter material layer (14) is filled in the gap between the filter screen (13) and the protective tube (11).
3. The vacuum dewatering well filter tube of claim 2, wherein: the diameter of the connecting disc (15) is equal to that of the protective tube (11), a connecting hole (150) matched with the inner tube diameter of the inner tube (12) is formed in the middle of the connecting disc (15), and the connecting hole (150) is communicated with the inner tube (12).
4. The vacuum dewatering well filter tube of claim 2, wherein: the connecting part (2) comprises two plug-in sections (21) and a connecting section (22), wherein,
a plurality of limit grooves (400) are formed in one side, away from the connecting disc (15), of the protective tube (11);
the two plug-in sections (21) are fixed on the connecting section (22), and the two plug-in sections (21) are symmetrically arranged along the horizontal direction of the connecting section (22);
during splicing, the two splicing sections (21) are correspondingly spliced into the two adjacent limiting grooves (400) respectively and are used for longitudinally positioning the two adjacent filtering units (1).
5. The vacuum dewatering well filter tube of claim 4, wherein: the shape of the combination of the two limit grooves (400) is matched with the shape of the connecting part (2), the connecting part (2) is inserted into the limit grooves (400), and one side of the connecting part (2) far away from the limit grooves (400) is flush with the outer wall of the protective tube (11).
6. The vacuum dewatering well filter tube of claim 2, wherein: the limiting parts (3) are respectively arranged on one side, far away from the protective tube (11), of each connecting disc (15), positioning grooves (110) matched with the limiting parts (3) are respectively formed in one side, far away from the connecting disc (15), of each protective tube (11), and the positions of the positioning grooves and the positioning grooves are corresponding to each other, and when two adjacent filter units (1) are spliced, the limiting parts (3) are inserted into the positioning grooves (110) and are used for transversely positioning the two adjacent filter units (1).
7. The vacuum dewatering well filter tube of claim 1, wherein: also comprises two sealing tube covers (5), a plurality of sealing rings (6), an exhaust tube (7) and a water pumping tube (8), wherein,
the two sealing tube covers (5) are respectively arranged at the openings of the two filter units (1) at the farthest ends and are sealed with the two filter units;
a plurality of sealing rings (6) are sleeved on the outer side of the sealing pipe cover (5);
the exhaust pipe (7) and the water pumping pipe (8) are arranged on the sealing pipe cover (5) at one side and are communicated with the inner pipe (12).
8. The vacuum dewatering well filter tube of claim 7, wherein: also comprises a plurality of lifting lugs (9), wherein,
the lifting lugs (9) are fixed on the sealing tube cover (5) arranged on one side of the sealing ring (6) and are used for lifting the filtering unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223347532.1U CN218933179U (en) | 2022-12-13 | 2022-12-13 | Filter pipe of vacuum dewatering well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223347532.1U CN218933179U (en) | 2022-12-13 | 2022-12-13 | Filter pipe of vacuum dewatering well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218933179U true CN218933179U (en) | 2023-04-28 |
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ID=86064898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223347532.1U Active CN218933179U (en) | 2022-12-13 | 2022-12-13 | Filter pipe of vacuum dewatering well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218933179U (en) |
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2022
- 2022-12-13 CN CN202223347532.1U patent/CN218933179U/en active Active
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