CN110080260A - A kind of foundation pit drop and drainage structure - Google Patents
A kind of foundation pit drop and drainage structure Download PDFInfo
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- CN110080260A CN110080260A CN201910239871.1A CN201910239871A CN110080260A CN 110080260 A CN110080260 A CN 110080260A CN 201910239871 A CN201910239871 A CN 201910239871A CN 110080260 A CN110080260 A CN 110080260A
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- permeable
- ring
- foundation pit
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000001914 filtration Methods 0.000 claims abstract description 66
- 239000000463 material Substances 0.000 claims abstract description 42
- 239000003651 drinking water Substances 0.000 claims abstract description 14
- 235000020188 drinking water Nutrition 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 13
- 239000004745 nonwoven fabric Substances 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 1
- 230000008595 infiltration Effects 0.000 abstract description 7
- 238000001764 infiltration Methods 0.000 abstract description 7
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—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 bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
- B01D29/115—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 bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
-
- 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
-
- 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
- E02D19/10—Restraining of underground water by lowering level of ground water
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of foundation pit drop and drainage structures, its drip irrigation device includes being set to the gutter of bottom of foundation ditch, sump, it further include suction pump, drinking-water pipe, branch pillar is provided in the sump, the branch pillar is from top to bottom divided into push pipe, connecting tube, water-permeable pipe, the two sides in the push pipe towards gutter are provided with the water inlet being connected to gutter, the permeable pipe outer wall offers multiple inlet openings, the filtration members made of steel wire are provided on the inside of the water-permeable pipe, the filtration members include the cartridge filter positioned at middle part, the filter ring being close to permeable inside pipe wall is connected on the outside of the cartridge filter upper end, filtering material is filled between the filtration members and water-permeable pipe, the drinking-water pipe protrudes into cartridge filter.Underground water can not only be out of permeable bottom of the tube infiltration cylinder, moreover it is possible to penetrate into from water-permeable pipe side to cartridge filter, circulation area increases, and then can be improved water collection efficiency, helps to realize quick Yield rainfall relation.
Description
Technical field
The present invention relates to rooms to build field, in particular to a kind of foundation pit drop and drainage structure.
Background technique
Foundation pit is the heatable adobe sleeping platform excavated in basic engineering position by substrate absolute altitude and basic plane size.When foundation depth exists
When below natural ground-water level, underground water can constantly penetrate into hole.In order to guarantee that foundation pit can construct in dry conditions, prevent
The problems such as slope instability, basic quicksand, bottom heave, occurs, and needs to carry out Yield rainfall relation work.Foundation pit Yield rainfall relation method has at present:
Bright ditch adds sump precipitation, light well point water purification, ejector well point precipitation etc., wherein bright ditch adds sump precipitation method the most general
Time.
The implementation process of sump precipitation method is as follows: Foundation Pit bottom being provided with sump, and excavates around the bottom of hole
Gutter after the completion of sump is dug, uses the materials such as pipe of cement as borehole wall supporting construction, and shaft bottom is laid with multilayer gravel, cobble
Equal filtering materials prevent shaft bottom soil disturbed in order to avoid extracting silt particle out when drawing water.Bottom of catchmenting makes water exist lower than hole bottom
It is flowed into sump under gravity, it is then outer with water pump extraction hole.
There are following technological deficiencies for above-mentioned sump precipitation method: since underground water is only capable of penetrating into from shaft bottom, penetrating into
Water is limited, and drainage efficiency is affected, and needs construction personnel to fall into a long wait and avoids dry combustion method pump machine to control pump machine closing
The case where, have much room for improvement.
Summary of the invention
In view of the above technical defects, the object of the present invention is to provide a kind of foundation pit drop and drainage structure, it can be improved foundation pit bottom
Portion's Yield rainfall relation efficiency.
To achieve the above object, the present invention provides the following technical scheme that
A kind of foundation pit drop and drainage structure, gutter, sump including being set to bottom of foundation ditch further include suction pump, drinking-water pipe,
Branch pillar is provided in the sump, the branch pillar is from top to bottom divided into push pipe, connecting tube, water-permeable pipe, the push pipe
The water inlet being connected to gutter is provided with towards the two sides in gutter, the permeable pipe outer wall offers multiple inlet openings,
The filtration members made of steel wire are provided on the inside of the water-permeable pipe, the filtration members include the cartridge filter positioned at middle part, described
It is connected with the filter ring being close to permeable inside pipe wall on the outside of cartridge filter upper end, filled with filtering between the filtration members and water-permeable pipe
Material, is provided with permeable non-woven fabrics between the filtration members and filtering material, the drinking-water pipe protrudes into cartridge filter.
By using above-mentioned technical proposal, underground water can not only be out of permeable bottom of the tube infiltration cylinder, moreover it is possible to from saturating
Water pipe side is penetrated into cartridge filter, and circulation area increases, and then can be improved water collection efficiency, helps to realize fast prompt drop row
Water;Filtration members are cylindrical in shape and protrude into filtering material, play the role of filtering material of being formed, and reduce underground water needs and flow through filtering
The distance of material, and then improve infiltration efficiency;Branch pillar point more piece is arranged, and when installing and dismounting is more laborsaving, while convenient for being laid with
Filtering material and installation filtering.
The present invention is further arranged to: the permeable inside pipe wall is connected with water service pipe at permeable hole, outside the water service pipe
Wall is provided with multiple apopores, and the water service pipe is obliquely installed and one end far from inlet opening is lower than inlet opening.
By using above-mentioned technical proposal, underground water is introduced into water service pipe, then is discharged from apopore, and then improves underground
Water can direct infiltration material area, to increase drainage efficiency.
The present invention is further arranged to: being enclosed with permeable non-woven fabrics, the inlet opening both ends open on the outside of the water service pipe
Inner wall is respectively connected with fixed ring, is provided with steel wire lump between two fixed rings.
By using above-mentioned technical proposal, permeable non-woven fabrics and steel wire lump play that prevent filtering material, sand from entering logical
Water pipe, and then avoid the trouble of water flowing blockage.
The present invention is further arranged to: the water-permeable pipe upper and lower ends inner wall, upper end of connecting tube inner wall are respectively connected with positioning
Ring, the connecting tube and push pipe lower end inner wall are respectively connected with connection ring, are arranged at intervals on the upside of the positioning ring around its axial line
Multiple fixing axles are cased with rotary cylinder at the fixing axle, and rotary cylinder upper end side is connected with rotating block, and the connection ring is set
It is equipped with the fixation hole passed through for rotary cylinder, rotating block.
Connection structure letter by using above-mentioned technical proposal, between push pipe and connecting tube, between connecting tube and water-permeable pipe
Single, rotary cylinder is twisted until rotating block and fixation hole dislocation, just can complete relatively fixed, dismounting rapid and convenient;At connection structure
In inner wall, its dismounting will not influence;Positioning ring on the upside of at water-permeable pipe can also play the role of stopping filtration members, keep it firm fixed
Type filtering material.
The present invention is further arranged to: the water-permeable pipe lower end is provided with block, is close on the upside of the block and positioning ring
And it can be passed through for rotary cylinder, rotating block.
By using above-mentioned technical proposal, it is first put into block in water-permeable pipe, re-lays filtering material, is subsequently placed into filtering
Part is just able to achieve first to pre-install and install afterwards, prevents from being laid with the trouble of filtering material in narrow bottom of catchmenting;Foundation pit construction simultaneously
When needing to backfill after the completion, water-permeable pipe is able to drive filtering material and takes out together, realizes recycling, reduces cost, when taking-up
It blocks and is fixed by the limit of rotating block, and then support filtering material can be consolidated, prevent it from falling.
The present invention is further arranged to: permeable filter cloth, the permeable filter cloth are provided between the connecting tube and water-permeable pipe
Edge is provided with the limit hole passed through for rotary cylinder and rotating block, middle part is provided with the suction eye passed through for drinking-water pipe.
By using above-mentioned technical proposal, the water flowed into sump from gutter falls within cartridge filter by permeable filter cloth
It is interior, and then the water for being pumped, therefore being pumped, by preferable filtration and adsorption treatment, water quality is improved, and can directly be used
It is recycled in building site water resource, saves water resource.
The present invention is further arranged to: the limit hole and suction eye are provided with shaping ring, and the shaping ring includes upper
Ring and lower ring, the side of upper ring towards the lower ring are connected with multiple fixed pins, and the lower ring is provided with matches with fixed pin interference
The pin hole of conjunction.
By using above-mentioned technical proposal, shaping ring plays styling to permeable filter cloth, prevents from tearing because pullling
The trouble split, deformed and other issues.
The present invention is further arranged to: the positioning ring and connection ring close to the shaping ring are provided with for shaping ring card
The holding tank entered.
By using above-mentioned technical proposal, prevent because shaping ring there are due to cause to exist between connecting tube and water-permeable pipe between
The trouble of gap.
The present invention is further arranged to: the filtering material includes being layed in water-permeable pipe bottommost boulder bed, being layed in ovum
Purifying layer on the upside of rock layers, the purifying layer include the raw material of following parts by weight:
30-40 parts of active carbon;
Thin 20-30 parts of river sand;
10-16 parts of diatomite;
30-50 parts of ceramic grain filter.
By using above-mentioned technical proposal, filtering material can not only play barrier sand and enter cartridge filter, moreover it is possible to adsorb
Heavy metal, organic pollutant in underground water, to play the role of purifying water;Filtering material has preferable permeable simultaneously
Performance, subsurface flow is fast through speed, greatly improves drainage speed.
In conclusion the invention has the following advantages:
1. latus rectum increases in Groundwater infiltration sump, be conducive to improve infiltration efficiency, and then improve drainage efficiency;
It 2. flowing into the water in sump by preferable filtration treatment, can directly be recycled, save water resource.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one;
Fig. 2 is the enlarged diagram of a-quadrant in Fig. 1;
Fig. 3 is the enlarged diagram of B area in Fig. 2;
Fig. 4 is the enlarged diagram in the region C in Fig. 2.
Description of symbols: 1, gutter;2, branch pillar;21, push pipe;211, water inlet;22, connecting tube;23, permeable
Pipe;231, inlet opening;232, fixed ring;24, water service pipe;241, apopore;25, connection ring;251, fixation hole;26, positioning ring;
261, fixing axle;262, rotary cylinder;263, rotating block;3, suction pump;4, drinking-water pipe;5, filtration members;51, cartridge filter;52, it filters
Ring;6, filtering material;61, boulder bed;62, purifying layer;7, permeable non-woven fabrics;8, steel wire lump;9, it blocks;10, permeable filter cloth;
101, limit hole;102, suction eye;11, shaping ring;111, upper ring;112, lower ring;1121, pin hole;113, fixed pin;12, hold
Receive slot;13, sump.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one:
A kind of foundation pit drop and drainage structure, as shown in Figure 1, including being set to the gutter 1 of bottom of foundation ditch surrounding and along gutter 1
Spaced sump 13, further includes suction pump 3, and suction pump 3 is connected with the drinking-water pipe 4 for protruding into 13 bottom of sump.Draining
1 bottom of trench of ditch is lower than bottom of foundation ditch, and 13 shaft bottom of sump is lower than 1 bottom of trench of gutter.Therefore underground water and rainwater can flow into draining
It in ditch 1, then flows into sump 13, is finally taken away by suction pump 3;Underground water also can directly from 13 bottom of sump penetrate into and by
It takes away.
As shown in Fig. 2, 13 borehole wall of sump occurs the problems such as quicksand, collapse, sump 13 because of water penetration in order to prevent
Inner wall is glued with the length branch pillar 2 equal with its well depth.Branch pillar 2 be from top to bottom successively divided into push pipe 21, connecting tube 22,
Water-permeable pipe 23, the two sides in push pipe 21 towards gutter 1 are provided with the water inlet 211 being connected to 1 bottom of gutter, therefore drain
In the enough smoothly inflow sumps 13 of water energy in ditch 1, it will not be blocked by branch pillar 2.Water-permeable pipe 23 is internally provided with by steel wire
Manufactured filtration members 5, filtration members 5 include the cartridge filter 51 being coaxially disposed with water-permeable pipe 23, and 51 upper end outer wall of cartridge filter is fixed to be connected
It is connected to filter ring 52, filter ring 52 is close to 23 inner wall of water-permeable pipe.Filter material is filled between 5 downside of filtration members and water-permeable pipe 23
Material 6, drinking-water pipe 4 protrudes into 51 bottom of cartridge filter.Filtration members 5 are cylindrical in shape and protrude into filtering material 6, play sizing filtering material 6
Effect, reduce underground water and need to flow through the distance of filtering material 6, and then improve infiltration efficiency.Filtration members 5 and filtering material 6
Between be provided with permeable non-woven fabrics 7, permeable non-woven fabrics 7 can prevent filtering material 6 from fallen into cartridge filter 51 because of water penetration, into
And filtering material 6 will not be taken away by suction pump 3.
As shown in Fig. 2, filtering material 6 includes tiling 23 bottommost boulder bed 61 of water-permeable pipe, it is layed in boulder bed 61 and mistake
Filter the purifying layer 62 between part 5.There are spacing between 51 bottom of boulder bed 61 and cartridge filter, therefore purifying layer 62 is cylindrical in shape and wraps
It is wrapped in 5 outside of filtration members.Purifying layer 62 includes the raw material of following parts by weight: 30 parts of active carbon, 20 parts of thin river sand, diatomite
10 parts, 30 parts of ceramic grain filter.Filtering material 6 can not only play barrier sand and enter cartridge filter 51, moreover it is possible in attached ground water
Heavy metal, organic pollutant, to play the role of purifying water;Filtering material 6 has preferable water permeability, ground simultaneously
It is lauched that flow through speed fast, greatly improves drainage speed.
As shown in Figure 2 and Figure 3,23 outer wall of water-permeable pipe offers multiple inlet openings 231, and 23 inner wall of water-permeable pipe is at permeable hole
It is fixedly connected with water service pipe 24.24 outer wall of water service pipe is provided with multiple apopores 241, and water service pipe 24 is obliquely installed and far from water inlet
The one end in hole 231 is lower than inlet opening 231, is enclosed with permeable non-woven fabrics 7 on the outside of water service pipe 24.Underground water can be from 23 side of water-permeable pipe
Face is penetrated into water service pipe 24, then is flowed at filtering material 6 from apopore 241, and circulation area increases, and then can be improved collection
Water efficiency helps to realize quick Yield rainfall relation.231 both ends open inner wall of inlet opening is fixedly connected to fixed ring 232, and two solid
Determine to be placed with steel wire lump 8 between ring 232, steel wire lump 8 by fixed ring 232 blocking and be not easy to drop out from inlet opening 231.
Permeable non-woven fabrics 7 and steel wire lump 8, which play, prevents filtering material 6, sand from entering water service pipe 24, and then water service pipe 24 is avoided to block
Trouble.
As shown in Figure 2, Figure 4 shows, 23 upper and lower ends inner wall of water-permeable pipe, 22 upper end inner wall of connecting tube are fixedly connected to positioning ring
26, connecting tube 22 and 21 lower end inner wall of push pipe are fixedly connected to connection ring 25.26 upside of positioning ring is solid around its axial line interval
Surely multiple fixing axles 261 are connected with, rotation is socketed with rotary cylinder 262 at fixing axle 261, and 262 upper end side of rotary cylinder is fixed to be connected
It is connected to rotating block 263, connection ring 25 is provided with the fixation hole 251 passed through for rotary cylinder 262, rotating block 263.Branch pillar 2 divides more
Section setting, the connection structure between push pipe 21 and connecting tube 22, between connecting tube 22 and water-permeable pipe 23 is simple, and rotary cylinder 262 is twisted
Turn until rotating block 263 and the dislocation of fixation hole 251, can complete relatively fixed, dismounting rapid and convenient, while just convenient for being laid with filtering
Material 6 and installation filtering.Be close on the downside of filter ring 52 and 23 upper end positioning ring 26 of water-permeable pipe, thus at water-permeable pipe 23 on the upside of
Positioning ring 26 can also play the role of stopping filtration members 5, make its firm sizing filtering material 6.
As shown in Figure 2, Figure 4 shows, 23 lower end of water-permeable pipe is provided with block 9 made of steel wire, block 9 and 23 lower end of water-permeable pipe
It is close on the upside of positioning ring 26 and can be passed through for rotary cylinder 262, rotating block 263.Court when rotating block 263 and fixation hole 251 misplace
The cobble partial size being less than in boulder bed 61 to 23 inner wall of water-permeable pipe, 9 mesh of blocking.When needing to backfill after the completion of foundation pit construction, thoroughly
Water pipe 23 is able to drive filtering material 6 and takes out together, realizes recycling, reduces cost, therefore when water-permeable pipe 23 takes out blocks 9
Limit by rotating block 263 is fixed, and then can consolidate support filtering material 6, prevents it from falling.
As shown in Figure 2, Figure 4 shows, permeable filter cloth 10,10 edge of permeable filter cloth are provided between connecting tube 22 and water-permeable pipe 23
Place is provided with the limit hole 101 passed through for rotary cylinder 262 and rotating block 263, middle part is provided with the suction eye passed through for drinking-water pipe 4
102.The water flowed into sump 13 from gutter 1 is fallen in cartridge filter 51 by permeable filter cloth 10, and then is pumped, therefore
By preferable filtration and adsorption treatment, water quality is improved the water being pumped, and can be directly used for building site water resource recycling,
Save water resource.Limit hole 101 and suction eye 102 are provided with the shaping ring 11 being made of hard material, and shaping ring 11 can
It is passed through for drinking-water pipe 4 or rotary cylinder 262 and rotating block 263.Shaping ring 11 includes upper ring 111 and lower ring 112, upper 111 court of ring
The side of downward ring 112 is fixedly connected with multiple spaced fixed pins 113, and lower ring 112 is provided with and 113 interference of fixed pin
The pin hole 1121 of cooperation.Shaping ring 11 carries out shaping limit hole 101 and suction eye 102, prevents that tearing occurs because pullling, becomes
The trouble of shape and other issues.Positioning ring 26 and connection ring 25 close to shaping ring 11 are provided with the receiving being caught in for shaping ring 11
Slot 12, prevent because shaping ring 11 there are due to lead to trouble between connecting tube 22 and water-permeable pipe 23 there are gap.When needing, top
Permeable filter cloth 10 can be added between pipe 21 and connecting tube 22, formed double filter-cloth filtering systems, improved purifying water effect.
The course of work:
When branch pillar 2 is installed, first in the outer prepackage in hole, block 9 is put into 23 bottom of water-permeable pipe until with corresponding 26 upside of positioning ring
It is close to, and rotary cylinder 262 passes through block 9 and twists rotating block 263 to towards 23 inner wall of water-permeable pipe;Boulder bed 61 is tiled again
In 9 upside of block, permeable non-woven fabrics 7 is placed on 24 outside of water service pipe, and steel wire lump 8 is put between two fixed rings 232, water purification layer paving
On boulder bed 61;Then permeable non-woven fabrics 7 is laid on 6 upside of filtering material, is put into the sizing of filtration members 5;Then successively pacify
Dress has permeable filter cloth 10, connecting tube 22, the push pipe 21 of shaping ring 11, twists rotary cylinder 262 until rotating block 263 and fixation hole
251 dislocation are completed to fix;Finally branch pillar 2 is put into sump 13, and drinking-water pipe 4 is protruded into cartridge filter 51.
Embodiment two:
What is different from the first embodiment is that the raw material of purifying layer 62 including following parts by weight: 40 parts of active carbon, 30 parts of thin river sand,
16 parts of diatomite, 50 parts of ceramic grain filter.
Embodiment three:
What is different from the first embodiment is that the raw material of purifying layer 62 including following parts by weight: 35 parts of active carbon, 25 parts of thin river sand,
13 parts of diatomite, 40 parts of ceramic grain filter.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (9)
1. a kind of foundation pit drop and drainage structure, gutter (1), sump (13) including being set to bottom of foundation ditch, further include drawing water
Pump (3), drinking-water pipe (4), it is characterised in that: be provided with branch pillar (2) in the sump (13), the branch pillar (2) is by upper
Push pipe (21), connecting tube (22), water-permeable pipe (23) are divided under, the two sides of push pipe (21) towards gutter (1) are all provided with
It is equipped with the water inlet (211) being connected to gutter (1), water-permeable pipe (23) outer wall offers multiple inlet openings (231), described
It is provided with the filtration members made of steel wire (5) on the inside of water-permeable pipe (23), the filtration members (5) include the cartridge filter positioned at middle part
(51), the filter ring (52) being close to water-permeable pipe (23) inner wall, the filtration members are connected on the outside of cartridge filter (51) upper end
(5) filtering material (6) are filled between water-permeable pipe (23), are provided between the filtration members (5) and filtering material (6) permeable
Non-woven fabrics (7), the drinking-water pipe (4) are protruded into cartridge filter (51).
2. a kind of foundation pit drop and drainage structure according to claim 1, it is characterised in that: water-permeable pipe (23) inner wall is in saturating
It is connected at water hole water service pipe (24), water service pipe (24) outer wall is provided with multiple apopores (241), the water service pipe (24)
It is obliquely installed and one end far from inlet opening (231) is lower than inlet opening (231).
3. a kind of foundation pit drop and drainage structure according to claim 2, it is characterised in that: package on the outside of the water service pipe (24)
Have permeable non-woven fabrics (7), inlet opening (231) the both ends open inner wall is respectively connected with fixed ring (232), two fixed rings
(232) steel wire lump (8) are provided between.
4. a kind of foundation pit drop and drainage structure according to claim 1, it is characterised in that: water-permeable pipe (23) upper and lower ends
Inner wall, connecting tube (22) upper end inner wall are respectively connected with positioning ring (26), and the connecting tube (22) and push pipe (21) lower end inner wall are equal
It is connected with connection ring (25), is arranged at intervals with multiple fixing axles (261) on the upside of the positioning ring (26) around its axial line, it is described solid
It is cased at dead axle (261) rotary cylinder (262), rotary cylinder (262) the upper end side is connected with rotating block (263), the connection
Ring (25) is provided with the fixation hole (251) passed through for rotary cylinder (262), rotating block (263).
5. a kind of foundation pit drop and drainage structure according to claim 4, it is characterised in that: water-permeable pipe (23) the lower end setting
Have block (9), is close to and can be passed through for rotary cylinder (262), rotating block (263) on the upside of the block (9) and positioning ring (26).
6. a kind of foundation pit drop and drainage structure according to claim 4, it is characterised in that: the connecting tube (22) and water-permeable pipe
(23) it is provided between permeable filter cloth (10), permeable filter cloth (10) edge is provided with for rotary cylinder (262) and rotating block
(263) limit hole (101) that passes through, middle part are provided with the suction eye (102) passed through for drinking-water pipe (4).
7. a kind of foundation pit drop and drainage structure according to claim 6, it is characterised in that: institute's limit hole (101) and pumping
Water hole (102) is provided with shaping ring (11), and the shaping ring (11) includes upper ring (111) He Xiahuan (112), the upper ring
(111) it is connected with multiple fixed pins (113) towards the side of lower ring (112), the lower ring (112) is provided with and fixed pin
(113) pin hole (1121) being interference fitted.
8. a kind of foundation pit drop and drainage structure according to claim 7, it is characterised in that: the institute close to the shaping ring (11)
It states positioning ring (26) and connection ring (25) is provided with the holding tank (12) being caught in for shaping ring (11).
9. a kind of foundation pit drop and drainage structure according to claim 1, it is characterised in that: the filtering material (6) includes paving
Set on water-permeable pipe (23) bottommost boulder bed (61), the purifying layer (62) being layed on the upside of boulder bed (61), the purifying layer
(62) include following parts by weight raw material:
30-40 parts of active carbon;
Thin 20-30 parts of river sand;
10-16 parts of diatomite;
30-50 parts of ceramic grain filter.
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CN111719575A (en) * | 2020-06-30 | 2020-09-29 | 贵州建工集团第一建筑工程有限责任公司 | Foundation pit anti-settling drainage method |
CN112647523A (en) * | 2020-12-07 | 2021-04-13 | 江苏新貌城市建设有限公司 | Be applied to old district and reform transform novel drainage device of building foundation ditch |
CN112900461A (en) * | 2021-01-19 | 2021-06-04 | 广州峻岭建设有限公司 | Drainage system for building construction site and use method |
CN113047325A (en) * | 2021-03-26 | 2021-06-29 | 浩祥(福建)建设有限公司 | Drainage structure and drainage method for building foundation pit |
CN113550713A (en) * | 2021-07-17 | 2021-10-26 | 南京桥新建设有限公司 | Water-lowering well sealing device for pipe well and well sealing construction method |
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CN111719575A (en) * | 2020-06-30 | 2020-09-29 | 贵州建工集团第一建筑工程有限责任公司 | Foundation pit anti-settling drainage method |
CN112647523A (en) * | 2020-12-07 | 2021-04-13 | 江苏新貌城市建设有限公司 | Be applied to old district and reform transform novel drainage device of building foundation ditch |
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CN112900461B (en) * | 2021-01-19 | 2021-11-19 | 广州峻岭建设有限公司 | Drainage system for building construction site and use method |
CN113047325A (en) * | 2021-03-26 | 2021-06-29 | 浩祥(福建)建设有限公司 | Drainage structure and drainage method for building foundation pit |
CN113550713A (en) * | 2021-07-17 | 2021-10-26 | 南京桥新建设有限公司 | Water-lowering well sealing device for pipe well and well sealing construction method |
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