CN106498936A - A kind of cast-in-situ bored pile mud desanding system - Google Patents
A kind of cast-in-situ bored pile mud desanding system Download PDFInfo
- Publication number
- CN106498936A CN106498936A CN201611129336.3A CN201611129336A CN106498936A CN 106498936 A CN106498936 A CN 106498936A CN 201611129336 A CN201611129336 A CN 201611129336A CN 106498936 A CN106498936 A CN 106498936A
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- China
- Prior art keywords
- mud
- cyclone
- pile foundation
- pulp
- inlet pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cyclones (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides a kind of cast-in-situ bored pile mud desanding system, which includes cyclone, cyclone is positioned near pile foundation, cyclone is provided with pulp-inlet pipe, grout outlet and sediment outflow mouth, pulp-inlet pipe is connected to cyclone apex side and is linked into mud pit by the first mud tube, pulp-inlet pipe is connected to the cyclone apex end face and is linked into pile foundation by the second mud tube, then pile foundation is linked into mud pit by pile foundation hole cleaning conduit, sediment outflow mouth is connected to the bottom of cyclone, first mud tube is provided with slush pump, start slush pump, mud in mud pit is extracted out and is entered in cyclone from pulp-inlet pipe, under deflection eddy flow and Action of Gravity Field, sand grains is separated with mud, mud is flowed out in pile foundation hole cleaning conduit along the grout outlet of cyclone apex, and then flow into mud pit, form mud circulation, desanding while pile foundation hole cleaning.The present invention on the premise of extra input is not increased can be reduced silt content in pile foundation slurry, make pile foundation slurry index meet use requirement.
Description
Technical field
A kind of the invention belongs to engineering construction field, more particularly to cast-in-situ bored pile mud desanding system.
Background technology
Usually need during bored pile construction using mud off, suspend and discharge boring mud, sand seam geology is passed through in drilled pile
When, as the grains of sand are thinner, the conventional construction technique grains of sand are suspended in mud and can not precipitate rapidly, such as take no action to remove in mud
The grains of sand, the too high bottom hole slagging that is easily caused of mud percent sand is blocked up, causes drilled pile Quality Down, causes useless stake when serious.Separately
Outward, mud desanding also can not be excessive, and excessive desanding makes mud balance be easily caused collapse hole when being less than 1.1, can equally affect drilled pile
Quality.Typically using sedimentation basin, mud purifying device etc., using sedimentation basin, often desanding effect is poor, reaches for mud desanding at present
Require less than construction quality；And mud purifying device is present, and weight is big, volume is big, equipment cost is high, run the deficiencies such as power consumption.
For solving the above problems, need to provide that a kind of desanding effect is preferable and with low cost, the less simple mud desanding dress of volume weight
Put, to meet bored pile construction field demand.
Content of the invention
The technical problem to be solved is, there is provided a kind of cast-in-situ bored pile mud desanding system, can be not
On the premise of increasing extra input, silt content in cast-in-situ bored pile mud is reduced, reduce sand factor, make drilled pile mud index full
Sufficient use requirement.
In order to solve above-mentioned technical problem, the invention provides a kind of cast-in-situ bored pile mud desanding system, which includes revolving
Stream device, the cyclone are positioned near pile foundation, and the cyclone is provided with pulp-inlet pipe, grout outlet and sediment outflow mouth, the pulp-inlet pipe
It is connected to the top-side of the cyclone and mud pit is linked into by the first mud tube, the pulp-inlet pipe is connected to the rotation
The top end face of stream device is simultaneously linked into pile foundation by the second mud tube, and then pile foundation is linked into mud by pile foundation hole cleaning conduit
Pond, the sediment outflow mouth are connected to the bottom of the cyclone, and first mud tube is provided with slush pump, starts slush pump, will
In mud pit, mud is extracted out and is entered in cyclone from pulp-inlet pipe with certain flow velocity, under deflection eddy flow and Action of Gravity Field, sand grains
Separate with mud, the little mud of proportion flows out to pile foundation hole cleaning conduit along the grout outlet of cyclone apex under turning effort
Interior, and then mud pit is flowed into, form mud circulation, desanding while pile foundation hole cleaning.
As preferred embodiments of the present invention, at least one ring flange in the middle part of the shell of the cyclone, is provided with.
Used as preferred embodiments of the present invention, the sediment outflow mouth is provided with sand flash valve.
Used as preferred embodiments of the present invention, the cast-in-situ bored pile mud desanding system also includes can be by the cyclone
The swinging mounting being obliquely installed.
Implement a kind of cast-in-situ bored pile mud desanding system of the present invention, compared with prior art, with beneficial as follows
Effect：
(1) simple structure of the invention, cyclone is arranged on drilled pile mud borehole cleaning pipeline, can be while borehole cleaning
Desanding is carried out, and without the need for extra pipeline；
(2) as the solid-phase component (such as sand grains) in mud is separated by cyclone technology using centrifugal force
Technology, can effectively reduce drilled pile sand content in mud, it is ensured that sand content in mud is in specification allowed band, and then is effectively lifted
Drilled pile pile quality.
(3) cyclone can flexibly open and close desanding function, and without the need for removing cyclone from mud borehole cleaning pipeline.
(4) cyclone can be inclined when need to close desanding function, makes sand removing hole be placed on relatively eminence, can so have
Effect prevents silt particle from blocking sand flash valve in cyclone building up inside.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing of embodiment will be simply situated between below
Continue.
Fig. 1 is the structural representation of cast-in-situ bored pile mud desanding system provided by the present invention.
Specific embodiment
Accompanying drawing in below in conjunction with the embodiment of the present invention, to the embodiment of the present invention in technical scheme carry out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiment.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Shown in Figure 1, the preferred embodiments of the present invention, a kind of cast-in-situ bored pile mud desanding system, which includes eddy flow
Device 1, the cyclone 1 are positioned near pile foundation 7, and the cyclone 1 is provided with pulp-inlet pipe 2, grout outlet 3 and sediment outflow mouth 4, described enter
Slurry pipe 2 is connected to the top-side of the cyclone 1 and is linked into mud pit 6 by the first mud tube 5, and the pulp-inlet pipe 2 connects
It is connected to the top end face of the cyclone 1 and pile foundation 7 is linked into by the second mud tube 8, then pile foundation 7 is led by pile foundation hole cleaning
Pipe 9 is linked into mud pit 6, and the sediment outflow mouth 4 is connected to the bottom of the cyclone 1, and first mud tube 5 is provided with mud
Pump 10, starts slush pump 10, mud in mud pit 6 is extracted out and is entered in cyclone 1, inclined from pulp-inlet pipe 2 with certain flow velocity
To under eddy flow and Action of Gravity Field, sand grains is separated with mud, the little mud of proportion going out at the top of cyclone 1 under turning effort
Slurry pipe 3 is flowed out in pile foundation hole cleaning conduit 9, and then flows into mud pit 6, is formed mud circulation, is removed while 7 borehole cleaning of pile foundation
Sand.As can be seen here, implement it is an advantage of the current invention that first, cyclone 1 is arranged on drilled pile mud clear by its simple structure
On the pipeline of hole, desanding can be carried out while borehole cleaning, and without the need for extra pipeline；Secondly as 1 technology of cyclone is exactly to utilize
The technology that solid-phase component (such as sand grains) in mud is separated by centrifugal force, can effectively reduce drilled pile mud containing sand
Rate, it is ensured that sand content in mud is in specification allowed band, and then effectively lifts drilled pile pile quality；Finally, cyclone 1 can spirit
Opening and closing desanding function living, and without the need for remove cyclone 1 from mud borehole cleaning pipeline.
Also, it should be noted as the interface of the grout outlet 3 is towards the top end face for being located at cyclone 1, thus energy
It is more beneficial for sand grains sinking.
Further, in the present embodiment, at least one ring flange 11 is provided with the middle part of the cyclone 1, thus can be in cyclone 1
Conveniently keeped in repair when silting up or to clearing up inside cyclone 1, cast-in-situ bored pile mud desanding device is more effectively excluded
Sand grains in mud.
Further, in the present embodiment, the sediment outflow mouth 4 is provided with sand flash valve 12, it is possible thereby to pass through to open sand flash valve 12
The sand grains for precipitating is discharged from sediment outflow mouth 4, is so circulated, is reduced the mesh of sand content in mud in drill-pouring stake holes
's.When sand content in mud is in specification allowed band in drill-pouring stake holes, can also pass through to close sand flash valve 12, prevent mud
Slurry desanding excess.
Further, in the present embodiment, the cast-in-situ bored pile mud desanding system also includes the cyclone 1 can incline
The swinging mounting (not indicating in figure) for tiltedly arranging.As in drill-pouring stake holes, sand content in mud has reached code requirement scope, only
Cyclone 1 need to be inclined by swinging mounting, be stopped removing by sand removing hole is placed on relatively eminence and is closed sand flash valve 12
Sand.Thus it is possible, on the one hand, can effectively prevent silt particle from blocking sand flash valve 12 in 1 building up inside of cyclone, on the other hand need not be by eddy flow
Device 1 is removed from mud circulation line, using more convenient.
Above disclosed is only presently preferred embodiments of the present invention, can not limit certainly the right of the present invention with this
Scope, the equivalent variations that is therefore made according to scope of the present invention patent still belong to the scope covered by the present invention.
Claims (4)
1. a kind of cast-in-situ bored pile mud desanding system, it is characterised in that including cyclone, it is attached that the cyclone is positioned over pile foundation
Closely, the cyclone is provided with pulp-inlet pipe, grout outlet and sediment outflow mouth, and the pulp-inlet pipe is connected to the top-side of the cyclone simultaneously
Mud pit is linked into by the first mud tube, the pulp-inlet pipe is connected to the top end face of the cyclone and by the second mud
Pipe is linked into pile foundation, and then pile foundation is linked into mud pit by pile foundation hole cleaning conduit, and the sediment outflow mouth is connected to the cyclone
Bottom, first mud tube is provided with slush pump, starts slush pump, by mud in mud pit extract out with certain flow velocity from
Pulp-inlet pipe is entered in cyclone, and under deflection eddy flow and Action of Gravity Field, sand grains is separated with mud, and the little mud of proportion is made in rotation
Grout outlet along cyclone apex with is flowed out in pile foundation hole cleaning conduit, and then flows into mud pit, forms mud circulation,
Desanding while pile foundation hole cleaning.
2. cast-in-situ bored pile mud desanding system as claimed in claim 1, it is characterised in that in the middle part of the shell of the cyclone
It is provided with least one ring flange.
3. cast-in-situ bored pile mud desanding system as claimed in claim 1, it is characterised in that the sediment outflow mouth is provided with sediment outflow
Valve.
4. cast-in-situ bored pile mud desanding system as claimed in claim 1, it is characterised in that also including can be by the eddy flow
The swinging mounting that device is obliquely installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611129336.3A CN106498936B (en) | 2016-12-09 | 2016-12-09 | A kind of cast-in-situ bored pile mud desanding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611129336.3A CN106498936B (en) | 2016-12-09 | 2016-12-09 | A kind of cast-in-situ bored pile mud desanding system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106498936A true CN106498936A (en) | 2017-03-15 |
| CN106498936B CN106498936B (en) | 2019-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611129336.3A Expired - Fee Related CN106498936B (en) | 2016-12-09 | 2016-12-09 | A kind of cast-in-situ bored pile mud desanding system |
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| Country | Link |
|---|---|
| CN (1) | CN106498936B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868672A (en) * | 2018-07-03 | 2018-11-23 | 上海公路桥梁（集团）有限公司 | Mud sand filter and its construction method |
| CN109441381A (en) * | 2019-01-09 | 2019-03-08 | 中国建筑第四工程局有限公司 | One kind recycling construction system for clump of piles mud in water |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6119870A (en) * | 1998-09-09 | 2000-09-19 | Aec Oil Sands, L.P. | Cycloseparator for removal of coarse solids from conditioned oil sand slurries |
| CN102373703A (en) * | 2011-11-24 | 2012-03-14 | 中铁二十一局集团有限公司 | Centrifugal sand remover for bridge pile foundation construction and application method thereof |
| CN103821469A (en) * | 2014-03-17 | 2014-05-28 | 葛洲坝集团基础工程有限公司 | Slurry control method for underground slurry wall construction at high-powder-clay-content stratum |
| CN104631439A (en) * | 2014-12-31 | 2015-05-20 | 上海市机械施工集团有限公司 | Pump suction reverse circulation pile foundation construction device and method |
| CN105041245A (en) * | 2015-08-07 | 2015-11-11 | 中交一公局第二工程有限公司 | Pile foundation slurry cyclone desanding apparatus |
| CN206359980U (en) * | 2016-12-09 | 2017-07-28 | 中铁六局集团广州工程有限公司 | A kind of cast-in-situ bored pile mud desanding system |
-
2016
- 2016-12-09 CN CN201611129336.3A patent/CN106498936B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6119870A (en) * | 1998-09-09 | 2000-09-19 | Aec Oil Sands, L.P. | Cycloseparator for removal of coarse solids from conditioned oil sand slurries |
| CN102373703A (en) * | 2011-11-24 | 2012-03-14 | 中铁二十一局集团有限公司 | Centrifugal sand remover for bridge pile foundation construction and application method thereof |
| CN103821469A (en) * | 2014-03-17 | 2014-05-28 | 葛洲坝集团基础工程有限公司 | Slurry control method for underground slurry wall construction at high-powder-clay-content stratum |
| CN104631439A (en) * | 2014-12-31 | 2015-05-20 | 上海市机械施工集团有限公司 | Pump suction reverse circulation pile foundation construction device and method |
| CN105041245A (en) * | 2015-08-07 | 2015-11-11 | 中交一公局第二工程有限公司 | Pile foundation slurry cyclone desanding apparatus |
| CN206359980U (en) * | 2016-12-09 | 2017-07-28 | 中铁六局集团广州工程有限公司 | A kind of cast-in-situ bored pile mud desanding system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868672A (en) * | 2018-07-03 | 2018-11-23 | 上海公路桥梁（集团）有限公司 | Mud sand filter and its construction method |
| CN108868672B (en) * | 2018-07-03 | 2024-03-08 | 上海公路桥梁（集团）有限公司 | Slurry sand filter and construction method thereof |
| CN109441381A (en) * | 2019-01-09 | 2019-03-08 | 中国建筑第四工程局有限公司 | One kind recycling construction system for clump of piles mud in water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106498936B (en) | 2019-01-25 |
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Granted publication date: 20190125 Termination date: 20211209 |