CN207646723U - Drain bar and the ultra-soft soil solidification equipment for configuring the drain bar - Google Patents
Drain bar and the ultra-soft soil solidification equipment for configuring the drain bar Download PDFInfo
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- CN207646723U CN207646723U CN201721623634.8U CN201721623634U CN207646723U CN 207646723 U CN207646723 U CN 207646723U CN 201721623634 U CN201721623634 U CN 201721623634U CN 207646723 U CN207646723 U CN 207646723U
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- drain bar
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- chimney filter
- soft soil
- solidification equipment
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Abstract
Present applicant proposes the ultra-soft soil solidification equipment of a kind of drain bar and the configuration drain bar, wherein drain bar includes：Plate core, filter membrane, and the drainage channel that is formed between the plate core and the filter membrane；The plate core is fixedly connected with the filter membrane.This ultra-soft soil solidification equipment relative low price of the application, capacity usage ratio are high, good without sand bedding course, solidification effect, the curing process of hydraulic reclamation ultra-soft soil recently can preferably be carried out, the plate core of drain bar is fixedly connected with filter membrane, under the action of the soil body is squeezed with negative pressure, filter membrane and plate core are linked together always without departing from drainage channel is constantly in softened state.
Description
Technical field
This application involves the reinforcement technique of hydraulic reclamation ultra-soft native (such as current-formed silt) is led recently in geotechnical engineering, port engineering
Domain more particularly to a kind of drain bar and the ultra-soft soil solidification equipment for configuring the drain bar.
Background technology
In geotechnical engineering, port engineering, the conventional method for processing foundation of hydraulic reclamation ultra-soft native (such as current-formed silt) recently
It is vacuum method.Conventional vacuum preloading method basic principle is to form vertical drainage channel, chimney filter and sand bedding course using drain bar
Horizontal drainage channel is formed, negative pressure is formed using jet pump, water is discharged under the action of negative pressure except the soil body, is added to reach
Gu the purpose of ultra-soft soil.The advantages of conventional vacuum preloading method is that technology is mature on the whole, all kinds of raw material, dress in pumped vacuum systems
Set fully market-oriented with equipment, application surface is than wide；The disadvantage is that conventional vacuum preloading method pumped vacuum systems
There is certain limitation in each constituent：Conventional drain bar is easy silting, vacuumizes drainage after a period of time bending
It can be worse；Although conventional chimney filter has certain ring stiffness, but tend to recessed flat, shadow under lasting vacuum pressure effect
Ring the transmission of vacuum degree；The binding connection type of conventional chimney filter and drain bar results in the very big consumption and waste of vacuum degree；
Sand bedding course is increasingly difficult in coastal area to obtain, from sea environment-friendly angle as a kind of resource (especially good medium coarse sand)
Degree does not also allow to continue exploiting ocean medium coarse sand resource；The capacity usage ratio of traditional jet pump is only 30% or so, greatly
Waste valuable electric energy.
Fig. 1 is the structural schematic diagram of conventional discharge plate comprising plate core 2 and filter membrane 1, plate core is in more cross-shaped configurations, more
Water supply stream passes through in cross recess.Conventional discharge plate is entirely without any bonding, filter membrane between drain bar plate core and filter membrane
It is sleeved on plate core.Then, under the action of vacuumizing, prodigious deformation, mainly stretcher strain, such as Fig. 1 can occur for filter membrane.
Under the double action by the negative pressure at the extruding of the soil body and plate core serious deformation and bending occur for filter membrane 1, after bending
Filter membrane is blocked the drainage channel of plate core is substantially all, is then mud outside filter membrane, the water flowing efficiency of drain bar is greatly reduced.
Fig. 2 is the structural schematic diagram of traditional chimney filter.Traditional chimney filter is generally made by PPR plastic flexible pipes 11, and appearance is similar to
Bellows, and it is drilled with aperture 11a on 11 tube wall of PPR plastic flexible pipes, so that flow passes through, meanwhile, also wrapped up in pipe outer wall
One layer of permeable filter membrane 13 prevents soil particle from passing through, plays the role of drainage.This traditional chimney filter has certain ring stiffness, and one
As also pass through profession detection, still, engineering in practice because the working time of vacuum preloading is longer, taking out for a long time
Vacuum pressure acts on, and under the aging actions such as additional solar ultraviolet, the ring stiffness generation of chimney filter significantly declines, thus often
Find that there is a phenomenon where flat flat for chimney filter in building site.Chimney filter it is flat it is flat after, the diameter of drainage channel reduces, and displacement reduces, vacuum degree
Transmission channels narrow, vacuum degree it is in the horizontal direction transmission be obstructed, then cause the transmission of vacuum degree in vertical direction by
Resistance, the reduction with obvious effects of vacuum preloading, capacity usage ratio reduce.
Fig. 3 is the attachment structure schematic diagram of drain bar and chimney filter in traditional technology, and the two is that binding connects.In Fig. 3, draining
The upper end of plate A is inserted into mud, and lower end carries out binding by band 12 with chimney filter B and connect, and the lower end of drain bar can generally be wound
On chimney filter, stab ophthalmically acceptable band 12 and be fixed, one block of rectangular non-woven fabrics is wrapped up after fixed, after wrapped up with band.Very
By chimney filter, the contact surface by binding junction is transmitted in drain bar reciprocal of duty cycle, is transmitted to upper end by the lower end of drain bar, so
After be transmitted in the soil body.Often there is mud blocking because of the suction function of vacuum preloading in binding connecting portion in whole system
Phenomenon, once the flat flat deformation of chimney filter, the vacuum transmission effect of entire connecting portion are excessively poor.
Therefore, many limitations based on traditional vacuum method are blown in conjunction with existing all kinds of corrective measures recently
It fills out native (such as current-formed silt) the solidification field of ultra-soft and is badly in need of finding out that a kind of relative low price, capacity usage ratio is high, is not necessarily to sand
Bed course, solidification effect are good and are suitable for the apparatus system of large-scale promotion.
Invention content
The purpose of the application is：In view of the deficiencies of the prior art, a kind of new structural drain bar of proposition and the configuration draining
The ultra-soft soil solidification equipment of plate, the solidification equipment relative low price, capacity usage ratio are high, good without sand bedding course, solidification effect,
The curing process of hydraulic reclamation ultra-soft soil recently can preferably be carried out.
The technical solution of the application is：
A kind of drain bar, including：
Plate core,
Filter membrane, and
The drainage channel being formed between the plate core and the filter membrane；
The plate core is fixedly connected with the filter membrane.
Preferably, the plate core and the filter membrane hot-melt adhesive paste.
A kind of ultra-soft soil solidification equipment, including：
Drain bar,
The chimney filter being connected with the drain bar, and
The vaccum-pumping equipment being connected with the chimney filter；
The drain bar of the drain bar using the above structure.
This ultra-soft soil solidification equipment of the application further includes following preferred embodiment based on the above technical solution：
The chimney filter is TPU wired hoses comprising the tube body of TPU plastic materials and is twist coiled in the pipe
Steel wire in body.
The chimney filter is connected with the drain bar by multiple-pass joint, and the multiple-pass joint includes being sealed with the drain bar
The drain bar connector of grafting and the chimney filter connector that grafting is sealed with the chimney filter, the drain bar connector and the chimney filter connector
It is interconnected.
The multiple-pass joint is two pass joints, three-way connection or four-way connection.
The multiple-pass joint is PE materials.
The plug surface of the drain bar and the drain bar connector is equipped with sealing ring, the chimney filter and the chimney filter connector
Plug surface is equipped with sealing ring.
The vaccum-pumping equipment includes：
Water ring vacuum pump,
Steam knockout drum,
The supervisor of the water ring vacuum pump and the steam knockout drum is connected, and
Connect the branch pipe of the steam knockout drum and the chimney filter.
The water ring vacuum pump is provided at least two altogether, and these water ring vacuum pumps are arranged in a container
It is interior.
The application has the advantages that：
1, conventional discharge plate is changed to new structural high-performance drain bar, by the plate core of drain bar and filter membrane with heat
Molten mode is fixed together.Squeezed in the soil body and under the action of negative pressure, filter membrane and plate core link together always without
It is detached from, drainage channel is constantly in softened state, is gradually penetrated into for the Free water in the soil body in the hole of plate core, true by taking out
The air discharge soil body.
2, chimney filter uses TPU wired hose structures, due to having the support of steel wire, the ring stiffness of the chimney filter and traditional chimney filter phase
Than, high several grades, vacuum action can not generally be taken out flat, therefore, be completely unnecessary and worried that horizontal drainage leads to
The flat flat problem in road.
3, chimney filter is connected with drain bar by multiple-pass joint, and structure and the drain bar and chimney filter of multiple-pass joint match inserting
Connect, and splicing position can tight joint close, avoid the loss of vacuum degree, thus entire vacuum degree system can be to the maximum extent
It is vacuumized using negative pressure, significantly enhances the transmission effect and depth of vacuum degree in the soil body, strengthen the processing effect to the soil body
Fruit.
4, negative pressure vaccum-pumping equipment is using more water ring vacuum pumps being arranged in a container pump house, by more in pump house
Platform water ring vacuum pump, which is concentrated, provides vacuum degree, and single set equipment processing area is big, energy saving, safety.And the work of conventional fluidic pump needs
Recirculated water, worker is wanted to need to pump the addition for carrying out recirculated water by platform, workload is huge, and recirculated water is lost in frequent occurrence, burns pump
Situation is concentrated after providing vacuum degree, 20,000~40,000 ㎡ of this equipment energy processing area using Water-ring vacuum pump house, it is equivalent to 20~
The working efficiency that 40 jet pumps work at the same time, energy saves about 70% or more, and worker repairs relatively convenient, as long as good
Pump house reduces the probability of electric leakage without electric wire substantially as long as looking at the pipeline whether there is or not gas leakage in place in place,
Safety increases.
Description of the drawings
The application is described further in the following with reference to the drawings and specific embodiments：
Fig. 1 is the structural schematic diagram of conventional discharge plate；
Fig. 2 is the structural schematic diagram of traditional chimney filter；
Fig. 3 is the attachment structure schematic diagram of conventional discharge plate and chimney filter；
Fig. 4 is the structural schematic diagram of drain bar in the embodiment of the present application；
Fig. 5 is the structural schematic diagram of chimney filter in the embodiment of the present application；
Fig. 6 is the attachment structure schematic diagram of drain bar and chimney filter in the embodiment of the present application；
Fig. 7 is the structural schematic diagram of vaccum-pumping equipment in the embodiment of the present application, and arrow indicates vacuum transmission direction in figure.
Wherein：1- filter membranes, 2- plate cores, 3- drainage channels, 4- tube bodies, 5- multiple-pass joints, 6- water ring vacuum pumps, 7- steam point
From tank, 8- supervisors, 9- branch pipes, 10- containers, 11-PPR plastic flexible pipes, 11a- apertures, 12- bands, the permeable filter membranes of 13-, 14-
Steel wire, A- drain bars, B- chimney filters.
Specific implementation mode
Fig. 4 to Fig. 7 shows a specific embodiment of this ultra-soft soil solidification equipment of the application, cures with traditional weak soil
Device is identical to be, this weak soil solidification equipment of the present embodiment also includes：Drain bar, the chimney filter being connected with drain bar, with chimney filter
Connected vaccum-pumping equipment.
The key improvements of the present embodiment are that above-mentioned drain bar, chimney filter and vaccum-pumping equipment have been all made of novel knot
Configuration formula, and drain bar and chimney filter connection type are also improved.It is specific as follows：
First, the drainpipe in the present embodiment also includes plate core 2, filter membrane 1 and the row being formed between plate core and filter membrane
Aquaporin 3, plate core 2 are more decussate textures.The main improvement of the drainpipe is that plate core 2 and filter membrane 1 are fixed with hot melting way
It links together, is no longer mutually disengaged like that with traditional technology.
In this way, under the action of the soil body is squeezed with negative pressure, filter membrane 1 and plate core 2 are without departing from filter membrane 1 always leads to draining
Road 3 struts, and is gradually penetrated into for the Free water in the soil body in the hole of plate core 2, by vacuumizing the discharge soil body.
Also, the design of the filter membrane 1 of the drain bar can be adjusted according to the grading analysis result of the soil body, if the soil body
The results show that sticky content is especially high, soil particle is especially tiny for grading analysis, is easy to block the hole of filter membrane 1, then by filter membrane
1 aperture slightly tunes up, and allows the sticking grain of a part with the discharge soil body is vacuumized, and has reached and has not only drained but also nonclogging purpose；If
The results show that sand grain content is higher, sticky content is less for the grading analysis of the soil body, then can turn the hole of filter membrane 1 down, because glutinous
Grain content is small, even if considerably less if the case where the very little blocking of aperture.
Secondly, the chimney filter in the present embodiment no longer uses traditional trepanning PPR plastic flexible pipe structures, but TPU steel wires are soft
Pipe, the TPU wired hoses include the tube body 4 of TPU plastic materials and twist coil the steel wire 14 in the tube body 4.
Due to there is the support of steel wire 14, for the ring stiffness of this wired hose compared with traditional chimney filter, high several grades vacuumize work
It is flat with can not generally be taken out, therefore, it is completely unnecessary and worries the flat flat problem in horizontal drainage channel.And this structure
Chimney filter can form horizontal drainage channel it is not necessary that sand bedding course is arranged.
Furthermore chimney filter and drain bar be no longer using traditional connection type of tying up in the present embodiment, but by connecting more
First 5 are connected.The multiple-pass joint 5 includes at least one drain bar connector and at least one chimney filter connector, drain bar connector
It is interconnected with chimney filter connector, wherein drain bar connector seals grafting with drain bar, and chimney filter connector seals grafting with chimney filter.Draining
There is plate connector flat slot compatible with draining plate shape, chimney filter connector to have compatible with chimney filter shape round slotting
Slot.Drain bar, which just seals, to be inserted into the flat slot of drain bar connector, and chimney filter just seals the circle for being inserted into drain bar connector
In slot.
It, can be in drain bar connector and draining in order to enhance the grafting tightness between multiple-pass joint 5 and drain bar and chimney filter
Sealing ring is arranged in the mating face of plate and the mating face of chimney filter connector and chimney filter.
When work, vacuum degree is transmitted to by chimney filter in multiple-pass joint, then is transmitted to Novel drain board by multiple-pass joint
In, then it is transmitted in the soil body.The multiple-pass joint be PE materials, structure and drain bar and chimney filter are mating, can tight joint close,
The loss of vacuum degree is avoided, thus entire vacuum degree system can maximally utilise negative pressure and vacuumize, and greatly enhance
The transmission effect and depth of vacuum degree, strengthen the treatment effect to the soil body in the soil body.
Above-mentioned multiple-pass joint 5 can be two pass joints, three-way connection or four-way connection, and the present embodiment is specially four to connect
Head, there are two drain bar connector and two chimney filter connectors for tool.
In addition, the vaccum-pumping equipment of the present embodiment no longer use traditional jet stream pump configuration, but by：Water ring vacuum pump 6,
Steam knockout drum 7, the supervisor 8 for connecting water ring vacuum pump and steam knockout drum, 9 structure of branch pipe for connecting steam knockout drum and chimney filter
At.Water ring vacuum pump 6 is provided with more, and is high-power pump, these water ring vacuum pumps 6 are uniformly arranged in a container 10
Interior, container 10 is equivalent in a pump house.Branch pipe 9 is also equipped with many, to be separately connected each chimney filter in place.
When work, water ring vacuum pump 6, which is powered to running, provides vacuum degree, and vacuum degree is transmitted to the steam in place by supervisor 8
In knockout drum 7, the distribution of pressure is carried out, the distribution of vacuum degree is assigned to by branch pipe 9 in the supervisor of each chimney filter in place,
Then vacuum degree is transmitted by the supervisor of chimney filter to branch pipe, then is transmitted to drain bar, is finally reached in the soil body.In the effect of negative pressure
Under, Free water is pumped to by branch pipe 9 in steam knockout drum 7, and the inside of steam knockout drum 7 is equipped with small-sized immersible pump, when
After water level in steam knockout drum 7 reaches certain altitude, water level alarm prompt diving pump work will be in steam knockout drum 7
Water discharges outside the tank.The present embodiment is concentrated by more water ring vacuum pumps in pump house and provides vacuum degree, compared with traditional jet pump,
Advantage is that single set equipment processing area is big, energy saving, safety：Separate unit conventional fluidic pumps the face that can only handle about 1000~1500 ㎡
Long-pending, then 2 Wan ㎡ areas need the jet pump of arrangement 12~20, and the need of work recirculated water of jet pump, worker to need by platform
Pump carries out the addition of recirculated water, and workload is huge, and recirculated water is lost in frequent occurrence, the situation of pump is burnt, using Water-ring vacuum pump house
It concentrates after vacuum degree is provided, 20,000~4 Wan ㎡ of this vacuum equipment energy processing area, is equivalent to 20~40 jet pumps work simultaneously
The working efficiency of work, energy saves about 70% or more, and worker repairs relatively convenient, as long as good pump house, in place
As long as looking at the pipeline whether there is or not gas leakage, the probability of electric leakage is reduced without electric wire substantially in place, safety increases.Pass through
It is demonstrated experimentally that Water-ring vacuum pump house concentrates the equipment for providing vacuum degree to have great superiority compared with conventional fluidic pumps, it is non-
Often it is suitable for the super reinforcement of soft soil of Large-area Vacuum Preloading.
Certainly, above-described embodiment is only the technical concepts and features for illustrating the application, and its object is to make people much of that
Solution present context is simultaneously implemented according to this, and the protection domain of the application can not be limited with this.It is all according to the application major technique
The equivalent transformation or modification that the Spirit Essence of scheme is done, should all cover within the protection domain of the application.
Claims (10)
1. a kind of drain bar, including：
Plate core (2),
Filter membrane (1), and
The drainage channel (3) being formed between the plate core and the filter membrane；
It is characterized in that, the plate core (2) is fixedly connected with the filter membrane (1).
2. drain bar according to claim 1, which is characterized in that the plate core (2) and the filter membrane (1) hot-melt adhesive paste.
3. a kind of ultra-soft soil solidification equipment, including：
Drain bar,
The chimney filter being connected with the drain bar, and
The vaccum-pumping equipment being connected with the chimney filter；
It is characterized in that, the drain bar uses the structure of drain bar as claimed in claim 1 or 2.
4. ultra-soft soil solidification equipment according to claim 3, which is characterized in that the chimney filter is TPU wired hoses, packet
It includes the tube body (4) of TPU plastic materials and twist coils the steel wire (14) in the tube body (4).
5. ultra-soft soil solidification equipment according to claim 3, which is characterized in that the chimney filter passes through more with the drain bar
Pass joint (5) be connected, the multiple-pass joint (5) include with the drain bar seal grafting drain bar connector and with the filter
The chimney filter connector of seal of tube grafting, the drain bar connector and the chimney filter connector are interconnected.
6. ultra-soft soil solidification equipment according to claim 5, which is characterized in that the multiple-pass joint (5) be two pass joints,
Three-way connection or four-way connection.
7. ultra-soft soil solidification equipment according to claim 5, which is characterized in that the multiple-pass joint (5) is PE materials.
8. ultra-soft soil solidification equipment according to claim 5, which is characterized in that the drain bar and the drain bar connector
Plug surface be equipped with sealing ring, the plug surface of the chimney filter and the chimney filter connector is equipped with sealing ring.
9. ultra-soft soil solidification equipment according to claim 3, which is characterized in that the vaccum-pumping equipment includes：
Water ring vacuum pump (6),
Steam knockout drum (7),
The supervisor (8) of the water ring vacuum pump and the steam knockout drum is connected, and
Connect the branch pipe (9) of the steam knockout drum and the chimney filter.
10. ultra-soft soil solidification equipment according to claim 9, which is characterized in that the water ring vacuum pump (6) is arranged altogether
There are at least two, and these water ring vacuum pumps (6) are arranged in a container (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721623634.8U CN207646723U (en) | 2017-11-29 | 2017-11-29 | Drain bar and the ultra-soft soil solidification equipment for configuring the drain bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721623634.8U CN207646723U (en) | 2017-11-29 | 2017-11-29 | Drain bar and the ultra-soft soil solidification equipment for configuring the drain bar |
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| Publication Number | Publication Date |
|---|---|
| CN207646723U true CN207646723U (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721623634.8U Active CN207646723U (en) | 2017-11-29 | 2017-11-29 | Drain bar and the ultra-soft soil solidification equipment for configuring the drain bar |
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| CN (1) | CN207646723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761710A (en) * | 2017-11-29 | 2018-03-06 | 中交上海航道局有限公司 | Drain bar and the ultra-soft soil solidification equipment for configuring the drain bar |
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2017
- 2017-11-29 CN CN201721623634.8U patent/CN207646723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761710A (en) * | 2017-11-29 | 2018-03-06 | 中交上海航道局有限公司 | Drain bar and the ultra-soft soil solidification equipment for configuring the drain bar |
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