CN114768354A - Building deep basal pit drainage chimney filter - Google Patents
Building deep basal pit drainage chimney filter Download PDFInfo
- Publication number
- CN114768354A CN114768354A CN202210694254.2A CN202210694254A CN114768354A CN 114768354 A CN114768354 A CN 114768354A CN 202210694254 A CN202210694254 A CN 202210694254A CN 114768354 A CN114768354 A CN 114768354A
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- Prior art keywords
- pipe body
- pipe
- inner pipe
- building
- wall
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Links
- 238000004140 cleaning Methods 0.000 claims abstract description 42
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 50
- 238000001914 filtration Methods 0.000 description 23
- 230000000694 effects Effects 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
Abstract
The invention discloses a drainage filter pipe for a deep foundation pit of a building, which comprises an outer pipe body, wherein the outer wall of the outer pipe body is provided with a plurality of first filter holes, a backflushing cleaning mechanism is arranged inside the outer pipe body and comprises an inner pipe body, the inner pipe body is arranged inside the outer pipe body, the outer wall of the inner pipe body is provided with a plurality of second filter holes, two connecting rings are arranged between the inner pipe body and the outer pipe body, the connecting rings are fixedly connected with the outer pipe body, the inner pipe body is rotatably connected with the connecting rings, a cleaning scraper is arranged between the two connecting rings and is fixedly connected with the inner wall of the outer pipe body, and the cleaning scraper is matched with the outer wall of the inner pipe body. According to the invention, the impeller member is driven by the cleaning water flow to drive the inner pipe body to rotate, so that the cleaning scraper fixed on the inner wall of the outer pipe body scrapes silt and stains outside the rotating inner pipe body, and the cleaning water flow is used for backflushing, so that the outer wall of the inner pipe body which is difficult to clean can be cleaned completely.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a drainage filter pipe for a deep foundation pit of a building.
Background
The foundation pit engineering is a general term of construction measures such as enclosure, support, precipitation, reinforcement, excavation, backfilling and the like which are adopted for excavating earthwork at an underground structure of the engineering and ensuring the safety of the foundation pit and the surrounding environment, and comprises investigation, design, construction, detection and monitoring. Underground water control is measures such as drainage, precipitation, water stop or recharge which are taken for foundation pit engineering construction and reduction of influence on the surrounding environment.
In the foundation pit drainage engineering, because the aquifer is cut off to the foundation pit, groundwater must constantly seeps into the foundation pit under the pressure difference effect, if the foundation pit drainage work is not carried out, the foundation pit is soaked, the site operation condition is poor, the bearing capacity of the foundation is reduced, and the phenomena of quicksand, piping, slope instability and the like can be caused under the action of the hydrodynamic pressure, so that effective precipitation and drainage measures must be taken to ensure the safety of the foundation pit construction. At present, the filter pipe is generally adopted to be matched with a drainage well for foundation pit drainage in the prior art.
At present, the existing partial filter tubes are provided with multiple filter structures, the outer layers of the filter tubes are only conveniently washed during cleaning, the filter structures inside the filter tubes need to be backflushed by water from inside to outside, the cleaning effect is poor, the cleaning needs to consume longer time, and meanwhile, the consumption of water resources is also large.
Therefore, it is necessary to invent a drainage filter pipe for deep foundation pit to solve the above problems.
Disclosure of Invention
The invention aims to provide a drainage filter pipe for a deep foundation pit of a building, which drives an impeller member to drive an inner pipe body to rotate through cleaning water flow so as to enable a cleaning scraper fixed on the inner wall of the outer pipe body to scrape silt and dirt outside the rotating inner pipe body, thereby overcoming the defects in the technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a drainage filter pipe for a deep foundation pit of a building comprises an outer pipe body, wherein a plurality of first filter holes are formed in the outer wall of the outer pipe body, and a backflushing cleaning mechanism is arranged inside the outer pipe body;
the backflushing cleaning mechanism comprises an inner pipe body, the inner pipe body is arranged inside an outer pipe body, the outer wall of the inner pipe body is provided with a plurality of second filter holes, two connecting rings are arranged between the inner pipe body and the outer pipe body and fixedly connected with the outer pipe body, the inner pipe body is rotatably connected with the connecting rings, a cleaning scraper is arranged between the two connecting rings and fixedly connected with the inner wall of the outer pipe body and matched with the outer wall of the inner pipe body, the cleaning scraper is abutted against the outer wall of the inner pipe body through the cleaning scraper fixed on the inner wall of the outer pipe body, silt and dirt on the surface of the outer wall of the inner pipe body can be scraped through the cleaning scraper through the rotation of the inner pipe body, the outer wall of the inner pipe body which is difficult to clean can be conveniently cleaned, an impeller component is arranged inside the inner pipe body, a clamping seat is arranged inside the inner pipe body and fixedly connected with the inner pipe body, and the clamping seat is matched with the impeller component, the top end of the inner tube body is provided with a connecting tube, the top end of the impeller component extends into the connecting tube and is connected with the connecting tube, and the impeller component is matched with the impeller component through the clamping seat, so that the impeller component can drive the inner tube body through the clamping seat and drive the inner tube body to rotate;
the impeller component comprises an upper disc body and a lower disc body, a plurality of blades are connected between the upper disc body and the lower disc body, two ends of each blade are fixedly connected with the upper disc body and the lower disc body respectively, a movable pipe is arranged at the top of the upper disc body, the movable pipe penetrates through the upper disc body and is connected with the upper disc body, the top end of the movable pipe extends into the connecting pipe, the movable pipe is matched with the connecting pipe, a plurality of clamping blocks are arranged at the bottom end of the lower disc body, the clamping blocks are distributed in an annular array around the central axis of the lower disc body, the clamping blocks are fixedly connected with the lower disc body, the clamping blocks are matched with the clamping seats, the clamping blocks can be conveniently matched with the clamping seats by sliding the top end of the movable pipe up and down in the connecting pipe, the clamping blocks are separated from the clamping seats during drainage, resistance generated during drainage can be avoided, energy loss during drainage is increased, and the clamping blocks are connected with the clamping seats during backwashing, the inner tube may be driven by an impeller member to effect cleaning of the exterior of the inner tube.
Preferably, the connecting pipe shape sets up to leaking hopper-shaped, the connecting pipe is connected with outer body, can be connected outer body and activity pipe through the connecting pipe, makes rivers can circulate between activity pipe and outer body through the connecting pipe, and is spacing between connecting pipe and cassette with the impeller component simultaneously, makes the activity pipe spacing inside the connecting pipe to can slide from top to bottom at the connecting pipe, avoid it to break away from the connecting pipe simultaneously.
Preferably, the outer pipe body comprises an upper pipe body and a lower pipe body, the upper pipe body and the lower pipe body are integrally arranged, the first filtering holes are formed in the outer wall of the lower pipe body, the first filtering holes are formed in one side of the inner pipe body corresponding to the second filtering holes, and the first filtering holes and the second filtering holes can be made to correspond to each other so that the water can be filtered sequentially through the first filtering holes and the second filtering holes during draining.
Preferably, the connecting pipe is arranged inside the upper pipe body, the top end of the connecting pipe is connected with the upper pipe body, the inner pipe body is arranged inside the lower pipe body, water flow can circulate between the movable pipe and the outer pipe body through the connecting pipe, the cleaning scraper is fixedly connected with the lower pipe body, the rotating inner pipe body can be cleaned through the cleaning scraper, and the outer wall of the inner pipe body which is difficult to clean is conveniently cleaned.
Preferably, the top of the upper pipe body is provided with a connecting flange, the connecting flange is connected with the upper pipe body, so that the upper pipe body can be conveniently butted with a pipeline, the connection is fast and firm, and the drainage filter pipe can be conveniently installed and fixed.
Preferably, the impeller member is made of a plastic material, can float in water, is matched with the water flow direction, and can be separated from the inner pipe body when water is pumped, so that the inner pipe body is prevented from being driven to rotate, the energy consumption of the water pump is reduced, the water drainage energy consumption is reduced, and the plurality of blades are distributed in an annular array mode about the central axis of the upper disc body.
Preferably, rubber waterproof pads are arranged at the connection positions of the two connection rings and the inner pipe body, so that water between the outer pipe body and the inner pipe body can be prevented from overflowing from the connection rings, and the water can be filtered through the first filter holes and the second filter holes in sequence during drainage.
Preferably, the bottom of the lower pipe body is provided with a bottom plate, the bottom plate and the lower pipe body are movably connected through a screw, the bottom plate can be conveniently mounted and dismounted, the inner part of the inner pipe body can be conveniently cleaned through dismounting the bottom plate, the bottom of the bottom plate is provided with a plurality of supporting blocks distributed in an annular array mode, and the drainage filter pipe can be integrally supported.
Preferably, the outer body external connection has the strengthening rib of a plurality of vertical settings, the strengthening rib top is connected with flange, and a plurality of strengthening ribs are annular array distribution about the outer body, improves the outer wall intensity of drainage chimney filter through the strengthening rib, avoids causing the damage to its outside when the pit.
In the technical scheme, the invention provides the following technical effects and advantages:
1. cleaning water flow enters between the upper disc body and the lower disc body through the movable pipe, then the impeller member is pushed to rotate by the blades, meanwhile, the impeller member is pushed to press down by the cleaning water flow, a clamping block at the bottom of the lower disc body is clamped into the clamping seat, so that the impeller member is connected with the inner pipe body, the impeller member rotates to drive the inner pipe body connected with the impeller member to rotate, a cleaning scraper fixed on the inner wall of the outer pipe body is used for scraping silt stains outside the rotating inner pipe body, and simultaneously, the cleaning water flow backflushing is matched to clean the outer wall of the inner pipe body which is difficult to clean;
2. the impeller component can be separated from the clamping seat through the drainage water flow and the buoyancy action of the plastic impeller component, so that the impeller component is separated from the inner pipe body, the inner pipe body can be prevented from being driven to rotate, the energy loss of the water pump can be reduced, and the drainage energy consumption is reduced;
3. through the setting of outer body and interior body to body and interior body outer wall set up first filtration pore and second filtration pore respectively outside, can carry out multiple filtration, further improve the filter effect, can avoid silt to be pumped away by the water pump and cause the water pump damage.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the fitting structure of the outer tube and the inner tube according to the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is an exploded view of the impeller member of the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 3 according to the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 4 according to the present invention.
Description of reference numerals:
the device comprises an outer pipe body 1, an upper pipe body 101, a lower pipe body 102, a first filter hole 2, an inner pipe body 3, a second filter hole 4, a connecting ring 5, a cleaning scraper 6, an impeller member 7, an upper disc body 701, a lower disc body 702, blades 703, a movable pipe 704, a fixture block 705, a fixture seat 8, a connecting pipe 9, a connecting flange 10 and a bottom plate 11.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.
The invention provides a drainage filter pipe for a deep foundation pit of a building, which comprises an outer pipe body 1, wherein a plurality of first filter holes 2 are formed in the outer wall of the outer pipe body 1, and a backflushing cleaning mechanism is arranged in the outer pipe body 1;
the backflushing cleaning mechanism comprises an inner pipe body 3, the inner pipe body 3 is arranged inside an outer pipe body 1, a plurality of second filtering holes 4 are arranged on the outer wall of the inner pipe body 3, two connecting rings 5 are arranged between the inner pipe body 3 and the outer pipe body 1, the connecting ring 5 is fixedly connected with the outer tube body 1, the inner tube body 3 is rotatably connected with the connecting ring 5, a cleaning scraper 6 is arranged between the two connecting rings 5, the cleaning scraper 6 is fixedly connected with the inner wall of the outer tube body 1, the cleaning scraper 6 is matched with the outer wall of the inner tube body 3, an impeller component 7 is arranged in the inner pipe body 3, a clamping seat 8 is arranged in the inner pipe body 3, the clamping seat 8 is fixedly connected with the inner tube 3, the clamping seat 8 is matched with the impeller member 7, the connecting tube 9 is arranged at the top end of the inner tube 3, and the top end of the impeller member 7 extends into the connecting tube 9 and is connected with the connecting tube 9;
the impeller member 7 comprises an upper disc body 701 and a lower disc body 702, a plurality of blades 703 are connected between the upper disc body 701 and the lower disc body 702, two ends of each blade 703 are fixedly connected with the upper disc body 701 and the lower disc body 702 respectively, a movable pipe 704 is arranged at the top of the upper disc body 701, the movable pipe 704 penetrates through the upper disc body 701 and is connected with the upper disc body 701, the top end of the movable pipe 704 extends into the connecting pipe 9, the movable pipe 704 is matched with the connecting pipe 9, a plurality of clamping blocks 705 are arranged at the bottom end of the lower disc body 702, the clamping blocks 705 are distributed in an annular array around the central axis of the lower disc body 702, the clamping blocks 705 are fixedly connected with the lower disc body 702, and the clamping blocks 705 are matched with the clamping blocks 8.
Further, in the above technical solution, the shape of the connection pipe 9 is set to be funnel-shaped, the connection pipe 9 is connected with the outer body 1, the outer body 1 can be connected with the movable pipe 704 through the connection pipe 9, so that water flow can circulate between the movable pipe 704 and the outer body 1 through the connection pipe 9, and the impeller member 7 is limited between the connection pipe 9 and the clamping seat 8, so that the movable pipe 704 is limited inside the connection pipe 9, can slide up and down on the connection pipe 9, and is prevented from being separated from the connection pipe 9.
Further, in the above technical solution, the outer tube 1 includes an upper tube 101 and a lower tube 102, the upper tube 101 and the lower tube 102 are integrally disposed, the first filtering holes 2 are disposed on an outer wall of the lower tube 102, the first filtering holes 2 are disposed on a side corresponding to the inner tube 3, the first filtering holes 2 correspond to the second filtering holes 4, and water can be filtered sequentially through the first filtering holes 2 and the second filtering holes 4 during drainage.
Further, in the above technical solution, the connecting pipe 9 is disposed inside the upper pipe body 101, the top end of the connecting pipe 9 is connected to the upper pipe body 101, the inner pipe body 3 is disposed inside the lower pipe body 102, so that water can flow between the movable pipe 704 and the outer pipe body 1 through the connecting pipe 9, the cleaning scraper 6 is fixedly connected to the lower pipe body 102, the rotating inner pipe body 3 can be cleaned through the cleaning scraper 6, and the outer wall of the inner pipe body 3 which is difficult to clean can be conveniently cleaned.
Further, in the above technical scheme, the top end of the upper pipe body 101 is provided with the connecting flange 10, the connecting flange 10 is connected with the upper pipe body 101, so that the upper pipe body 101 can be conveniently butted with a pipeline, the connection is fast and firm, and the installation and the fixation of the drainage filter pipe are conveniently carried out.
Further, in the above technical solution, the impeller member 7 is made of a plastic material, and can float in water, and meanwhile, in cooperation with the water flow direction, when pumping water, the impeller member 7 can be separated from the inner pipe 3, so that the inner pipe 3 can be prevented from being driven to rotate, the energy loss of the water pump can be reduced, the water drainage energy consumption can be reduced, and the plurality of blades 703 are annularly arranged in a row about the central axis of the upper plate 701.
Further, in the above technical solution, rubber waterproof pads are disposed at the joints of the two connection rings 5 and the inner pipe body 3, so that water between the outer pipe body 1 and the inner pipe body 3 can be prevented from overflowing from the connection rings 5, and the water can be filtered through the first filtering holes 2 and the second filtering holes 4 in sequence during drainage.
Further, in the above technical scheme, a bottom plate 11 is arranged at the bottom end of the lower pipe body 102, the bottom plate 11 is movably connected with the lower pipe body 102 through screws, so that the bottom plate 11 can be conveniently mounted and dismounted, the inside of the inner pipe body 3 can be conveniently cleaned by dismounting the bottom plate 11, and a plurality of supporting blocks distributed in an annular array are arranged at the bottom of the bottom plate 11, so that the drainage filter pipe can be integrally supported.
Further, in the above technical scheme, the outer body 1 is externally connected with a plurality of vertically arranged reinforcing ribs, the top ends of the reinforcing ribs are connected with the connecting flange 10, the plurality of reinforcing ribs are distributed in an annular array relative to the outer body 1, the strength of the outer wall of the drainage filter pipe is improved through the reinforcing ribs, and damage to the outside of the drainage filter pipe when the drainage filter pipe is lowered into a well is avoided.
The implementation mode specifically comprises the following steps: when the water pumping device is used, the outer pipe body 1 is placed in a drainage well, the top of the upper pipe body 101 is provided with the connecting flange 10, water pumps can be connected through pipelines, then water in the drainage well is pumped into the outer pipe body 1 under the action of the water pumps, when water is pumped, water flows sequentially pass through the first filter holes 2 and the second filter holes 4 to enter the inner pipe body 3, the connecting ring 5 is externally provided with the rubber waterproof pad, so that water between the outer pipe body 1 and the inner pipe body 3 can be prevented from overflowing from the connecting ring 5, the water flows from the inner part of the inner pipe body 3 enter the connecting pipe 9 through the impeller member 7, and finally the water pumps are pumped out through the pipelines, impurity silt in the water can be separated by the first filter holes 2 and the second filter holes 4, the water pumps can be prevented from being damaged, the impeller member 7 can be separated from the clamping seat 8 under the self buoyancy action of the water flows and the impeller member 7 made of plastic materials, and the impeller member 7 can be separated from the inner pipe body 3, the inner pipe body 3 can be prevented from being driven to rotate, the energy consumption of the water pump can be reduced, and the drainage energy consumption is reduced;
when cleaning is needed, the outer pipe body 1 at the outer part can be directly washed by water, the outer part of the drainage filter pipe can be quickly cleaned, then the cleaning water pipe is connected through the connecting flange 10, the cleaning water is injected from the top end of the connecting pipe 9 and then injected into the impeller member 7, water flow enters between the upper disc body 701 and the lower disc body 702 through the movable pipe 704, then the impeller member 7 is pushed to rotate through the blades 703, meanwhile, the impeller member 7 is pushed to press down by the water flow, the clamping block 705 at the bottom of the lower disc body 702 is clamped into the clamping seat 8, so that the impeller member 7 is connected with the inner pipe body 3, the clamping block 705 at the bottom of the impeller member 7 is driven to do circular motion by the rotation of the impeller member 7, so that the clamping seat 8 is pushed to rotate the inner pipe body 3 fixedly connected with the clamping seat 8, so that the cleaning scraper 6 fixed on the inner wall of the outer pipe body 1 scrapes silt outside the rotating inner pipe body 3, simultaneously, inside body 3 was gone into to rivers follow impeller member 7, then flowed out in second filtration pore 4 and the first filtration pore 2 in proper order, recoiled, and the silt that will block up second filtration pore 4 and first filtration pore 2 is washed out, scrapes off the outside silt spot of interior body 3 through clearance scraper blade 6, cooperates the rivers recoil simultaneously, can be quick with the chimney filter clean up to can clear up the silt spot that is difficult to get rid of through the recoil.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (9)
1. The utility model provides a building deep basal pit drainage chimney filter, includes outer body (1), its characterized in that: the outer wall of the outer pipe body (1) is provided with a plurality of first filter holes (2), and a backflushing cleaning mechanism is arranged inside the outer pipe body (1);
the recoil cleaning mechanism comprises an inner pipe body (3), the inner pipe body (3) is arranged inside an outer pipe body (1), a plurality of second filter holes (4) are formed in the outer wall of the inner pipe body (3), two connecting rings (5) are arranged between the inner pipe body (3) and the outer pipe body (1), the connecting rings (5) are fixedly connected with the outer pipe body (1), the inner pipe body (3) is rotatably connected with the connecting rings (5), a cleaning scraper (6) is arranged between the two rings, the cleaning scraper (6) is fixedly connected with the inner wall of the outer pipe body (1), the cleaning scraper (6) is matched with the outer wall of the inner pipe body (3), an impeller component (7) is arranged inside the inner pipe body (3), a clamping seat (8) is arranged inside the inner pipe body (3), the clamping seat (8) is fixedly connected with the outer pipe body (3), and the impeller component (7) is matched with the clamping seat (8), the top end of the inner pipe body (3) is provided with a connecting pipe (9), and the top end of the impeller component (7) extends into the connecting pipe (9) and is connected with the connecting pipe (9);
the impeller component (7) comprises an upper disc body (701) and a lower disc body (702), a plurality of blades (703) are connected between the upper disc body (701) and the lower disc body (702), two ends of each blade (703) are fixedly connected with the upper disc body (701) and the lower disc body (702) respectively, a movable pipe (704) is arranged at the top of the upper disc body (701), the movable pipe (704) penetrates through the upper disc body (701) and is connected with the upper disc body (701), the top end of the movable pipe (704) extends into the connecting pipe (9), the movable pipe (704) is matched with the connecting pipe (9), a plurality of clamping blocks (705) are arranged at the bottom end of the lower disc body (702), the clamping blocks (705) are distributed in an annular array mode relative to the central axis of the lower disc body (702), the clamping blocks (705) are fixedly connected with the lower disc body (702), and the clamping blocks (705) are matched with the clamping seats (8).
2. The drainage filter pipe for the deep foundation pit of the building as claimed in claim 1, wherein: the shape of the connecting pipe (9) is arranged to be funnel-shaped, and the connecting pipe (9) is connected with the outer pipe body (1).
3. The drainage filter pipe for the deep foundation pit of the building as claimed in claim 1, wherein: the outer pipe body (1) comprises an upper pipe body (101) and a lower pipe body (102), the upper pipe body (101) and the lower pipe body (102) are integrally arranged, and the first filter holes (2) are formed in the outer wall of the lower pipe body (102).
4. The drainage filter pipe for the deep foundation pit of the building as claimed in claim 3, wherein: the connecting pipe (9) is arranged inside the upper pipe body (101), the top end of the connecting pipe (9) is connected with the upper pipe body (101), the inner pipe body (3) is arranged inside the lower pipe body (102), and the cleaning scraper (6) is fixedly connected with the lower pipe body (102).
5. The drainage filter pipe for the deep foundation pit of the building as claimed in claim 3, wherein: go up body (101) top and be provided with flange (10), flange (10) are connected with upper tube body (101).
6. The drainage filter pipe for the deep foundation pit of the building as claimed in claim 1, wherein: the impeller member (7) is made of a plastic material, and a plurality of blades (703) are distributed in an annular array with respect to the central axis of the upper disc body (701).
7. The drainage filter pipe for the deep foundation pit of the building as claimed in claim 1, wherein: and rubber waterproof pads are arranged at the joints of the two connecting rings (5) and the inner pipe body (3).
8. The drainage filter pipe for the deep foundation pit of the building as claimed in claim 3, wherein: the bottom end of the lower pipe body (102) is provided with a bottom plate (11), the bottom plate (11) is movably connected with the lower pipe body (102) through screws, and the bottom of the bottom plate (11) is provided with a plurality of supporting blocks distributed in an annular array.
9. The drainage filter pipe for the deep foundation pit of the building as claimed in claim 5, wherein: the outer pipe body (1) is externally connected with a plurality of vertically arranged reinforcing ribs, the top ends of the reinforcing ribs are connected with the connecting flange (10), and the plurality of reinforcing ribs are distributed in an annular array mode relative to the outer pipe body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210694254.2A CN114768354B (en) | 2022-06-20 | 2022-06-20 | Building deep basal pit drainage chimney filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210694254.2A CN114768354B (en) | 2022-06-20 | 2022-06-20 | Building deep basal pit drainage chimney filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114768354A true CN114768354A (en) | 2022-07-22 |
| CN114768354B CN114768354B (en) | 2023-03-28 |
Family
ID=82421276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210694254.2A Active CN114768354B (en) | 2022-06-20 | 2022-06-20 | Building deep basal pit drainage chimney filter |
Country Status (1)
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