CN212533955U - Coastal saline dredger fill reinforcing and desalting equipment - Google Patents
Coastal saline dredger fill reinforcing and desalting equipment Download PDFInfo
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- CN212533955U CN212533955U CN202021621251.9U CN202021621251U CN212533955U CN 212533955 U CN212533955 U CN 212533955U CN 202021621251 U CN202021621251 U CN 202021621251U CN 212533955 U CN212533955 U CN 212533955U
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Abstract
The utility model discloses a coastal saline dredger fill reinforcing and desalting device. The system comprises a vacuum pumping system, a pressurized liquid injection system and a sealing system, wherein the vacuum pumping system carries out vacuum preloading treatment on the saline dredger fill, when the soil body reaches certain strength and porosity, the pressurized liquid injection system injects desalted liquid into the saline dredger fill in a pressurized manner, and the dual functions of the vacuum pumping system and the pressurized liquid injection system accelerate the permeation capability of the desalted liquid into the dredger fill, so that the aim of rapid desalting improvement is fulfilled. The utility model discloses can overcome newly advance the operation shortcoming that high moisture content of dredger fill, low strength can't directly implement the desalination improvement, can realize that coastal saline water logging dredger fill is consolidated, desalination in one step put in place, greatly practice thrift engineering construction cost and time limit for a project, be applicable to the treatment of coastal saline water logging dredger fill of large tracts of land.
Description
Technical Field
The utility model relates to a dredger fill is consolidated, desalination technique, specifically is a equipment that coastal saline waterlogging dredger fill was consolidated, was desalinated.
Background
With the acceleration of economic construction investment pace, land resources are increasingly tense, and the reclamation of land by sea becomes one of effective ways for solving the shortage of land resources in coastal areas, but the coastal mudflat is acted by seawater for a long time, and the salt content of the soil body of the reclamation of land by sea is high, so that most plants cannot grow normally or even can not survive. And then because the newly-entered coastal dredger fill has low strength and high water content, the desalting improvement operation cannot be directly carried out, and the desalting improvement operation can be carried out only after the soil body is reinforced. The vacuum preloading processing method of present stage is short, the investment is little, efficient by wide application with the time limit for a project, the utility model discloses on the basis of vacuum preloading processing dredger fill and chemical agent desalination improvement, insert the pressurization in the drain bar interval of vacuum preloading processing and annotate the liquid pipe, rely on notes liquid pump and vacuum pump dual function, the improvement effect of soil body desalination is accelerated, realizes the one step of processing that targets in place of coastal saline waterlogging dredger fill reinforcement, desalination.
SUMMERY OF THE UTILITY MODEL
In order to realize that one step of coastal saline soil reclamation, desalination targets in place the processing purpose, the utility model discloses on the basis of vacuum pre-compaction processing method, rely on the pressurization to annotate the liquid system at soil body processing later stage, to soil body pressurization injection desalination liquid, rely on vacuum negative pressure and notes liquid pump to realize that the soil body consolidates the desalination fast. The utility model discloses the structure principle is simple, easy and simple to handle, economy, and is applicable in coastal saline water logging dredger fill processing.
The utility model adopts the following technical scheme: a coastal saline dredger fill reinforcing and desalting device comprises a vacuum pumping system, a pressurized liquid injection system and a sealing system; the sealing system comprises a sealing film and a sealing ditch; the vacuum pumping system comprises a drainage plate, corrugated filter pipes and a vacuum pump, wherein the drainage plate is inserted into the saline dredger fill in rows at equal intervals according to the treatment depth requirement, the corrugated filter pipes are laid in a grid shape, the corrugated filter pipes in the transverse direction are connected to the top end of the drainage plate in rows, and the corrugated filter pipes in the longitudinal direction are connected with the corrugated filter pipes connected with the drainage plate to form a grid negative pressure transmission circulating body so that vacuum negative pressure loads are uniformly distributed and act on a soil body; a sealing film covers the corrugated filter pipe; the vacuum pump is arranged at the connecting part of the corrugated filter pipe and the corrugated filter pipe in equal area and is arranged above the sealing film; the pressurized liquid injection system comprises a pressurized liquid injection pipe, a pressure branch pipe and a liquid injection pump, wherein the pressurized liquid injection pipe is a pressure pipe with an irregular opening at the lower end, a reverse filtering layer is wrapped outside the pressure pipe, and the pressurized liquid injection pipe is inserted into a drainage plate row spacing of the vacuum-pumping system at equal intervals so that the pressurized liquid injection pipe and the drainage plate of the vacuum-pumping system are arranged at equal intervals; a pressure pipe of the pressurized liquid injection pipe is connected with a pressure branch pipe, an independent liquid injection circulating system is formed by the pressure branch pipe and is arranged under a sealing film; the liquid injection pump is arranged at the joint of the pressure branch pipe and the pressure branch pipe according to equal area and is arranged above the sealing film; the sealing ditch is formed by excavating around the coastal saline dredger fill block to be treated, and the sealing membrane is pressed into the dredger fill of the sealing ditch to form a sealing environment.
Furthermore, the reverse filter layer section wrapped outside the pressure pipe of the pressurized liquid injection pipe is completely inserted into the dredger fill.
Furthermore, the vacuum pump is connected with the corrugated filter pipe through a connecting pipe, and a sealing membrane with an opening at the connecting part is bound on the connecting pipe so as to ensure the sealing effect.
Furthermore, the liquid injection pump is connected with the pressure branch pipe through a connecting pipe, and a sealing film with an opening at the connecting part is bound on the connecting pipe so as to ensure the sealing effect.
The utility model discloses beneficial effect does: the utility model discloses an evacuation system carries out vacuum pre-compaction to salinized dredger fill and handles, and when the soil body reached certain intensity and porosity, its pressurization notes liquid system pours into the desalination liquid into to salinized dredger fill pressurization, and the desalination liquid is accelerated to the ability of dredger fill infiltration through evacuation system and pressurization notes liquid system dual function, reaches the purpose that makes the quick desalination improvement of the soil body. The utility model discloses can overcome newly advance the operation shortcoming that high moisture content of dredger fill, low strength can't directly implement the desalination improvement, can realize that coastal saline water logging dredger fill is consolidated, desalination in one step put in place, greatly practice thrift engineering construction cost and time limit for a project, be applicable to the treatment of coastal saline water logging dredger fill of large tracts of land.
Drawings
Fig. 1 is a schematic plan view of the present invention;
fig. 2 is a schematic elevation structure of the vacuum pumping system of the present invention;
fig. 3 is a schematic elevation structure diagram of the pressurized liquid injection system of the present invention.
In the figure: 1-vacuum pumping system; 11-a drain board; 12-a corrugated filter tube; 13-a vacuum pump; 2-a pressurized liquid injection system; 21-pressurizing liquid injection pipe; 22-pressure manifold; 23-a liquid injection pump; 3-sealing the system; 31-sealing the groove; 32-sealing film.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 3, the utility model relates to a device for reinforcing and desalting coastal saline dredger fill, which comprises a vacuum pumping system 1, a pressurized liquid injection system 2 and a sealing system 3; the sealing system 3 comprises a sealing film 32 and a sealing groove 31; the vacuum pumping system 1 comprises a drainage plate 11, corrugated filter pipes 12 and a vacuum pump 13, wherein the drainage plate 11 is inserted into the saline dredger fill at equal intervals according to the treatment depth requirement, the corrugated filter pipes 12 are laid in a grid shape, the corrugated filter pipes 12 in the transverse direction are connected to the top end of the drainage plate 11 in a row, the corrugated filter pipes 12 in the longitudinal direction are connected with the corrugated filter pipes 12 connected with the drainage plate 11, and a grid negative pressure transmission circulating body is formed so that vacuum negative pressure loads are uniformly distributed and act on a soil body; the corrugated filter pipe 12 is covered with a sealing film 32; the vacuum pump 13 is arranged at the joint of the corrugated filter pipe 12 and the corrugated filter pipe 12 according to the equal area and is arranged above the sealing film 32; the pressurized liquid injection system 2 comprises a pressurized liquid injection pipe 21, a pressure branch pipe 22 and a liquid injection pump 23, wherein the pressurized liquid injection pipe 21 is a pressure pipe with an irregular opening at the lower end, a reverse filtering layer is wrapped outside the pressure pipe, and the pressurized liquid injection pipe 21 is inserted into the discharge space of the drainage plate 12 of the vacuum-pumping system 1 at equal intervals, so that the pressurized liquid injection pipe 21 and the drainage plate 11 of the vacuum-pumping system 1 are arranged at equal intervals; the pressure pipe in the pressurized liquid injection pipe 21 is connected with the pressure branch pipe 22, an independent liquid injection circulating system is formed by the pressure branch pipe 22 and is arranged below the sealing film 32; the liquid injection pump 23 is arranged at the joint of the pressure branch pipe 22 and the pressure branch pipe 22 according to equal area and is arranged above the sealing film 32; the sealing ditch 31 is formed by excavating around the coastal saline dredger fill block to be treated, and after the sealing membrane 32 covers the coastal saline dredger fill block to be treated and the vacuum pump 13 and the liquid injection pump 23 are installed, the sealing membrane 32 is manually pressed into the dredger fill so as to form a relatively sealed environment; the outside of the pressure pipe of the pressurized liquid injection pipe 21 is wrapped with a reverse filtration layer, and all the reverse filtration layer is inserted into the dredger fill; the vacuum pump 13 is connected with the corrugated filter pipe 12 through a connecting pipe, a sealing film 32 at the connecting part is provided with an opening, and the sealing film 32 with the opening is bound on the connecting pipe to ensure the sealing effect; the liquid injection pump 23 is connected with the pressure branch pipe 22 through a connecting pipe, a sealing film 32 at the connecting part is provided with an opening, and the sealing film 32 with the opening is bound on the connecting pipe to ensure the sealing effect.
Utilize the utility model discloses a construction method step does:
s1, excavating a sealing ditch 31 around the coastal saline dredger fill block to be treated, covering water in the sealing ditch 31, and prefabricating a sealing film 32 according to the area of the block;
s2, pre-cutting the drainage plate 11 and the pressure pipe with a certain length according to design requirements, wherein the lower end of the pressure pipe is provided with an irregular opening, and the pressure pipe is wrapped with a reverse filter layer to respectively finish the pre-fabrication of the pressurized liquid injection pipe 21 and the drainage plate 11 of the vacuum pumping system 1;
s3, inserting the drainage plates 11 into the coastal saline dredger fill at equal intervals in rows according to design requirements, reserving a connection length at one end of each drainage plate 11 and exposing the drainage plates to the coastal saline dredger fill;
s4, inserting rows of pressurizing liquid injection pipes 21 in the row spacing of the drainage plate 11 of the vacuum-pumping system 1 according to the design requirements, exposing only the pressure pipes in the pressurizing liquid injection pipes 21, and inserting all the anti-filter layer sections wrapped outside the pressure pipes of the pressurizing liquid injection pipes 21 into the dredger fill;
s5, connecting the drainage plates 11 of the vacuum-pumping system 1 in rows by using the corrugated filter pipes 22, and connecting the corrugated filter pipes 12 connected with the drainage plates 11 of the vacuum-pumping system 1 longitudinally by using the corrugated filter pipes 12 so as to form a gridding negative pressure transmission system;
s6, connecting the pressurized injection pipes 21 in rows by the pressure branch pipes 22, and connecting the pressure branch pipes 22 connected with the pressurized injection pipes 21 longitudinally by the pressure branch pipes 22 so as to form a gridding pressurized injection system;
s7, spreading the sealing film 32 above the corrugated filter pipe 12 and the pressure branch pipe 22 on the processing area, and pressing the sealing film 32 around the processing area into the sealing groove 31 so as to form a sealing system 3 to achieve a sealed environment;
s8, installing the vacuum pump 13 and the liquid injection pump 23 in equal area according to the acting power of the vacuum pump 13 and the liquid injection pump 23, wherein the vacuum pump 13 is installed at the joint of the corrugated filter pipe 12 and is arranged above the sealing film 32, and the sealing film 32 with an opening at the joint is bound on the connecting pipe of the vacuum pump 13 and the corrugated filter pipe 12 so as to ensure the sealing effect; the liquid injection pump 23 is arranged at the joint of the pressure branch pipe 22 and is arranged above the sealing membrane 32, and the sealing membrane 32 with an opening at the joint is bound on a connecting pipe of the liquid injection pump 23 and the pressure branch pipe 22 so as to ensure the sealing effect;
s9, starting the vacuum pump 13 to enable the sealing film 32 and the drainage plate 11 of the vacuum pumping system 1 to form negative pressure load, starting soil body drainage consolidation, starting the liquid injection pump 23 to inject desalted liquid into the pressure branch pipe 22 and the pressurized grouting pipe 21 in a pressurized manner when the dredger fill reaches certain strength and the water yield of the vacuum pump 13 is small, and simultaneously accelerating the desalting improvement of the soil body by using the vacuum preloading system 1;
s10, sampling and detecting the soil strength and the salt content, and stopping pumping and lifting the membrane when the soil strength and the salt content reach the design index; and continuing to start the vacuum pump 13 and the liquid injection pump 23 until the design index is not reached.
The above embodiments are described in connection with the accompanying drawings, but the present invention can not be understood as the limitation of the scope of the invention, and it should be noted that, for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the invention, and all of them belong to the protection scope of the invention.
Claims (4)
1. A equipment for reinforcing and desalting coastal saline dredger fill is characterized in that: the device comprises a vacuum pumping system, a pressurized liquid injection system and a sealing system; the sealing system comprises a sealing film and a sealing ditch; the vacuum pumping system comprises a drainage plate, corrugated filter pipes and a vacuum pump, wherein the drainage plate is inserted into the saline dredger fill in rows at equal intervals according to the treatment depth requirement, the corrugated filter pipes are laid in a grid shape, the corrugated filter pipes in the transverse direction are connected to the top end of the drainage plate in rows, and the corrugated filter pipes in the longitudinal direction are connected with the corrugated filter pipes connected with the drainage plate to form a grid negative pressure transmission circulating body so that vacuum negative pressure loads are uniformly distributed and act on a soil body; a sealing film covers the corrugated filter pipe; the vacuum pump is arranged at the joint of the corrugated filter pipe and the corrugated filter pipe in equal area and is arranged above the sealing film; the pressurized liquid injection system comprises a pressurized liquid injection pipe, a pressure branch pipe and a liquid injection pump, wherein the pressurized liquid injection pipe is a pressure pipe with an opening at the lower end, a reverse filtering layer is wrapped outside the pressure pipe, and the pressurized liquid injection pipe is inserted into the row spacing of the drainage plates of the vacuum-pumping system at equal intervals so that the pressurized liquid injection pipe and the drainage plates of the vacuum-pumping system are arranged at equal intervals; a pressure pipe of the pressurized liquid injection pipe is connected with a pressure branch pipe, an independent liquid injection circulating system is formed by the pressure branch pipe and is arranged under a sealing film; the liquid injection pump is arranged at the joint of the pressure branch pipe and the pressure branch pipe according to equal area and is arranged above the sealing film; the sealing ditch is formed by excavating around the coastal saline dredger fill block to be treated, and the sealing membrane is pressed into the dredger fill of the sealing ditch to form a sealing environment.
2. The apparatus for consolidating and desalinating coastal saline dredger fill defined in claim 1, wherein: and the reverse filter layer section wrapped outside the pressure pipe of the pressurized liquid injection pipe is completely inserted into the dredger fill.
3. The apparatus for consolidating and desalinating coastal saline dredger fill defined in claim 1, wherein: the vacuum pump is connected with the corrugated filter pipe through a connecting pipe, and a sealing film with an opening at the connecting part is bound on the connecting pipe so as to ensure the sealing effect.
4. The apparatus for consolidating and desalinating coastal saline dredger fill defined in claim 1, wherein: the liquid injection pump is connected with the pressure branch pipe through a connecting pipe, and a sealing film with an opening at the connecting part is bound on the connecting pipe so as to ensure the sealing effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021621251.9U CN212533955U (en) | 2020-08-06 | 2020-08-06 | Coastal saline dredger fill reinforcing and desalting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021621251.9U CN212533955U (en) | 2020-08-06 | 2020-08-06 | Coastal saline dredger fill reinforcing and desalting equipment |
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| CN212533955U true CN212533955U (en) | 2021-02-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809570A (en) * | 2020-08-06 | 2020-10-23 | 浙江广川工程咨询有限公司 | Coastal saline dredger fill reinforcing and desalting equipment and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809570A (en) * | 2020-08-06 | 2020-10-23 | 浙江广川工程咨询有限公司 | Coastal saline dredger fill reinforcing and desalting equipment and construction method |
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