CN219730735U - Quick pipeline mixing and solidifying device for dredging sludge with ultrahigh water content - Google Patents
Quick pipeline mixing and solidifying device for dredging sludge with ultrahigh water content Download PDFInfo
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- CN219730735U CN219730735U CN202320419621.8U CN202320419621U CN219730735U CN 219730735 U CN219730735 U CN 219730735U CN 202320419621 U CN202320419621 U CN 202320419621U CN 219730735 U CN219730735 U CN 219730735U
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- mud
- water content
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- 239000010802 sludge Substances 0.000 title claims abstract description 51
- 238000002156 mixing Methods 0.000 title claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000002002 slurry Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000004576 sand Substances 0.000 claims abstract description 13
- 239000002689 soil Substances 0.000 claims abstract description 10
- 238000007711 solidification Methods 0.000 claims abstract description 10
- 230000008023 solidification Effects 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 230000009969 flowable effect Effects 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims 1
- 239000011268 mixed slurry Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Abstract
The utility model discloses a rapid pipeline mixing and solidifying device for dredging sludge with ultra-high water content, which is an independent external unit, wherein two ends of the pipeline mixing and solidifying device are respectively and adaptively connected with a dredging sludge pipeline interface, the distance from a target hydraulic filling area to the dredging sludge pipeline interface is not more than 100m, and the pipeline mixing and solidifying device is composed of a dredging sludge pipeline, an ultra-high water content dredging sludge inlet, a material injection dispersing pipe, a grouting pipe, a spiral diversion baffle, an annular staggered diversion pipe and a solidified soil mixed slurry outlet, sand materials are added into the pipeline through the material injection dispersing pipe, and solidifying agent slurry is added into the pipeline through the grouting pipe. The rapid mixing and curing device can not only adjust the water content and the fluidity of the dredging sludge with the ultrahigh water content in the pipeline, but also realize the direct and rapid curing of the dredging sludge with the ultrahigh water content; by arranging the spiral diversion baffle and the annular staggered diversion pipes, the slurry mixing uniformity in the dredging sludge pipeline is ensured, the solidification time is short, and the environmental protection and economic benefits are obviously improved.
Description
Technical Field
The utility model relates to the field of pipeline mixing of fluid-state solidified soil, in particular to a rapid pipeline mixing and solidifying device for dredging sludge with ultrahigh water content.
Background
The pipeline dredging sludge is the dredging sludge which is produced by environment-friendly cutter suction dredge and circulated through a pipeline, large cutter suction dredge is generally adopted for stirring and mixing slurry under water, and the slurry is pressurized step by step and conveyed into a sludge pond through a high-power pumping pipeline, so that the dredging sludge is required to have high fluidity and high water content, the dredging sludge with high water content is difficult to directly use, long-time physical natural precipitation or mechanical filter pressing dehydration is generally adopted, and the dredging sludge with high water content can be only utilized by adopting precipitation means.
In order to shorten the treatment time and simplify the construction process, dredging sludge with high water content is directly utilized, and the treatment can be carried out by adopting pipeline mixing solidification. When the dredging sludge circulates in the pipeline, the dredging sludge is statically mixed with the external curing agent in the pipeline, and after the mixture is uniformly mixed, the dredging sludge immediately fills the target area along with the pipeline, and has certain strength after hardening, so that a good foundation is formed. The pipeline mixing solidification technology aims at the sludge slurry with high water content and strong fluidity generated by ocean channel dredging and river dredging, can be applied to coastal fast solidification land making, coastal engineering soil making, river dredging and other water conservancy large-scale fast solidification projects, is an important way for realizing the fast solidification and conversion of the sludge water, and meets the construction requirements of large-scale earthwork projects.
Because the cutter suction dredger is located on the sea and is far away from the shore, in order to avoid the condition of pipe blockage of the dredged sludge, the pipeline sludge must keep high water content to stably circulate during dredging, generally more than 200 percent and even more than 300 percent, the direct solidification difficulty of the dredged sludge with the ultrahigh water content is high, and the cost of the conventional solidification device is high during solidification.
The patent grant publication No. CN104437158B discloses a device for mixing a curing agent and dredged sludge in-situ hydraulic filling pipelines, which has a tubular structure and comprises an outer pipe, and two sections of a jet type liquid-liquid mixer and a static mixer which are sequentially arranged from an inlet at one end to the other end in the outer pipe. The on-site hydraulic filling pipeline mixing device for the curing agent and the dredging mud provided by the utility model is used as a part of the dredging mud, can realize the mixing and curing of the curing agent and the dredging mud, shortens the treatment time, but the curing object is the dredging of the specific water content, and can not adjust other physical indexes of the dredging mud.
Therefore, aiming at the defects and shortcomings of the existing device, the pipeline mixing and curing device is required to be modified, the physical index of the dredging sludge can be regulated and controlled, the rapid curing of the dredging sludge with ultrahigh water content is met, and the low-cost pipeline mixing and curing is realized.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to modify the existing pipeline mixing and curing device to realize the direct and rapid low-cost curing of the dredging sludge with the ultrahigh water content so as to solve the problems.
In order to achieve the above object, the present utility model provides the following technical solutions:
the rapid pipeline mixing and solidifying device for dredging sludge with ultrahigh water content is an independent external pipeline device, two ends of the rapid pipeline mixing and solidifying device are respectively and adaptively connected with pipeline interfaces of the dredging sludge, flanges and sealing rings are arranged at the interfaces of the two ends, and the distance between the tail end of the pipeline mixing and solidifying device and a target hydraulic filling area is not more than 100m; the pipeline mixing and solidifying device consists of a mud dredging pipeline, a dredging sludge inlet with ultrahigh water content, a material injecting and dispersing pipe, a grouting pipe, a spiral diversion baffle, an annular staggered diversion pipe and a solidified soil mixed slurry outlet; the grouting material dispersing pipe and the grouting pipe are positioned on the upper portion of the mud dredging pipe, the spiral diversion baffle is positioned in the mud dredging pipe, and the annular staggered diversion pipe is used for conducting diversion and then confluence on the mud dredging pipe.
The material injecting and dispersing pipe consists of a No. 1 flowmeter control valve, a material conveying pipe, a material stirring pool, a No. 1 high-pressure slurry pump and dispersing pipes, wherein the material injecting and dispersing pipes are communicated with the mud dredging pipe through the dispersing pipes, the material injecting and dispersing pipes inject sand materials with fluidity into the mud dredging pipe, the number of the dispersing pipes is not less than 3, and the inner diameter of each dispersing pipe is not less than 1/8 of the inner diameter of the mud dredging pipe.
Preferably, the flowable sand material injected into the dredging pipeline by the material injecting and dispersing pipe is a flowable sand material with the water content of 20-50% composed of sea sand, silt, sand and water, and aims to regulate the water content of dredging sludge in the dredging pipeline and provide a certain strength framework support for the solidified soil of the dredging sludge.
The grouting pipe consists of a No. 2 flowmeter control valve, a grouting pipe, a grouting pool, a No. 2 high-pressure slurry pump and a screw conveyor curing agent storage tank, the grouting pipe is directly communicated with the dredging pipeline, the grouting pipe is used for injecting the flowable curing agent slurry into the dredging pipeline, and the inner diameter of the grouting pipe is 1/7-1/4 of the inner diameter of the dredging pipeline.
The number of the spiral diversion baffles is not less than 3, the shape is spiral, the upper end and the lower end are respectively connected with the inner wall of the mud dredging pipeline, and the length of the spiral diversion baffles is not less than 3 times of the inner diameter of the mud dredging pipeline.
The annular staggered shunt pipe consists of an annular staggered shunt main pipe and annular staggered shunt branch pipes, and the staggered distance between the two annular staggered shunt branch pipes on the mud dredging pipe is not less than 10 times of the inner diameter of the mud dredging pipe; wherein, the inner diameter of the annular staggered distribution main pipe is 1/2-3/5 of the inner diameter of the mud dredging pipeline, and the inner diameter of the staggered distribution branch pipe is 1/3-1/2 of the inner diameter of the mud dredging pipeline.
The on-site hydraulic filling pipeline mixing device for the curing agent and the dredging mud has the following advantages:
(1) The rapid mixing and curing device can not only add sand materials to adjust the water content and fluidity of the pipeline dredging sludge and provide strength skeleton support for cured soil, but also add curing agent slurry to provide strength cementing effect, thereby realizing the direct and rapid curing of the ultra-high water content dredging sludge;
(2) The rapid mixing and solidifying device is provided with the spiral diversion baffle and the annular staggered diversion pipe, so that the flow mixing in the dredging sludge pipeline is realized, the mixing uniformity is improved, and the design and production difficulty of the device caused by the arrangement of the powerful stirring component in the pipeline are reduced;
(3) The utility model can directly and rapidly solidify and fill dredging sludge exceeding the water content, has short solidifying time and low solidifying cost, and remarkably improves environmental protection and economic benefits.
Drawings
FIG. 1 is a construction diagram of a rapid pipeline mixing and solidifying device for dredging sludge with ultra-high water content;
the device comprises a 1-mud dredging pipeline, a 2-dredging sludge inlet with ultra-high water content, a 3-material injecting and dispersing pipe, a 4-grouting pipe, a 5-spiral diversion baffle, a 6-annular staggered diversion pipe, a 7-solidified soil mixed slurry outlet, a 31-No. 1 flowmeter control valve and a 32-material conveying pipe; 33-stirring tanks, 34-1 high-pressure slurry pumps, 35-dispersing pipes, 41-2 flowmeter control valves and 42-slurry conveying pipes; 43-stirring pool, 44-No. 2 high-pressure slurry pump, 45-screw conveyor, 46-curing agent storage tank, 61-annular staggered split main pipe, 62-annular staggered split branch pipe and D-dredging pipeline 1 inner diameter.
Detailed Description
For the purpose of further illustrating the utility model, the following detailed description of the utility model, taken in conjunction with FIG. 1, illustrates and describes illustrative embodiments of the utility model and is not meant to limit the utility model.
The rapid pipeline mixing and solidifying device for dredging sludge with ultrahigh water content is an independent external pipeline device, two ends of the rapid pipeline mixing and solidifying device are respectively and adaptively connected with pipeline interfaces of the dredging sludge, flanges and sealing rings are arranged at the interfaces of the two ends, and the distance between the tail end of the pipeline mixing and solidifying device and a target hydraulic filling area is not more than 100m; the pipeline mixing and solidifying device consists of a dredged mud pipeline 1, a dredging mud inlet 2 with ultrahigh water content, a material injecting and dispersing pipe 3, a grouting pipe 4, a spiral split baffle 5, an annular staggered split pipe 6 and a solidified soil mixed mud outlet 7; wherein, annotate material dispersion pipe 3 and slip casting pipe 4 and be located the upper portion of dredge mud pipeline 1, spiral reposition of redundant personnel baffle 5 are located the inside of dredge mud pipeline 1, and crisscross shunt tubes 6 of annular are shunted earlier to dredge mud pipeline 1 then the confluence.
The material injecting and dispersing pipe 3 consists of a flow meter control valve 31 of the No. 1, a material conveying pipe 32, a stirring tank 33, a high-pressure slurry pump 34 of the No. 1 and dispersing pipes 35, wherein the material injecting and dispersing pipe 3 is communicated with the mud dredging pipe 1 through the dispersing pipes 35, the material injecting and dispersing pipe 3 injects sand materials with fluidity into the mud dredging pipe 1, the number of the dispersing pipes 35 is not less than 3, and the inner diameter of each dispersing pipe 35 is not less than 1/8 of the inner diameter D of the mud dredging pipe 1.
Preferably, the flowable sand material injected into the dredging pipeline 1 by the material injecting and dispersing pipe 3 is a flowable sand material with the water content of 20-50% composed of sea sand, silt, sand and water, and aims to adjust the water content of dredging sludge in the dredging pipeline 1 and provide a certain strength skeleton support for the solidified soil of the dredging sludge.
The grouting pipe 4 consists of a No. 2 flowmeter control valve 41, a grouting pipe 42, a stirring pond 43, a No. 2 high-pressure slurry pump 44, a screw conveyer 45 and a curing agent storage tank 46, the grouting pipe 4 is directly communicated with the mud dredging pipe 1, the grouting pipe 4 is used for injecting the flowable curing agent slurry into the mud dredging pipe 1, and the inner diameter of the grouting pipe 4 is 1/7-1/4 of the inner diameter D of the mud dredging pipe 1.
The number of the spiral diversion baffles 5 is not less than 3, the shape is spiral, the upper end and the lower end are respectively connected with the inner wall of the mud dredging pipeline 1, and the length of the spiral diversion baffles is not less than 3 times of the inner diameter D of the mud dredging pipeline 1.
The annular staggered shunt pipe 6 consists of an annular staggered shunt main pipe 61 and annular staggered shunt branch pipes 62, and the staggered distance between the two annular staggered shunt branch pipes 62 on the mud dredging pipeline 1 is not less than 10 times of the inner diameter D of the mud dredging pipeline 1; wherein, the inner diameter of the annular staggered split main pipe 61 is 1/2-3/5 of the inner diameter D of the mud dredging pipeline 1, and the inner diameter of the staggered split branch pipe 62 is 1/3-1/2 of the inner diameter D of the mud dredging pipeline 1.
The foregoing is merely a preferred embodiment of the utility model, it being understood that modifications may be made by those skilled in the art without departing from the principles of the utility model, and such modifications should also be considered as protecting the utility model.
Claims (5)
1. A quick pipeline mixing solidification device for dredging sludge with ultrahigh water content is characterized in that: the pipeline mixing and solidifying device is an independent external pipeline device, two ends of the pipeline mixing and solidifying device are respectively and adaptively connected with the dredging sludge pipeline interfaces, flanges and sealing rings are arranged at the interfaces of the two ends, and the distance between the tail end of the pipeline mixing and solidifying device and a target blowing and filling area is not more than 100m; the pipeline mixing and solidifying device consists of a dredged mud pipeline (1), a dredging mud inlet (2) with ultra-high water content, a material injecting and dispersing pipe (3), a grouting pipe (4), a spiral diversion baffle (5), an annular staggered diversion pipe (6) and a solidified soil mixed mud outlet (7); the grouting material dispersing pipe (3) and the grouting pipe (4) are arranged on the upper portion of the mud dredging pipe (1), the spiral diversion baffle (5) is arranged in the mud dredging pipe (1), and the annular staggered diversion pipe (6) is used for conducting diversion and then confluence on the mud dredging pipe (1).
2. The rapid pipeline mixing and solidifying device for dredging sludge with ultrahigh water content according to claim 1, wherein the rapid pipeline mixing and solidifying device comprises the following components: the material injecting and dispersing pipe (3) consists of a No. 1 flowmeter control valve (31), a material conveying pipe (32), a material stirring tank (33), a No. 1 high-pressure slurry pump (34) and dispersing pipes (35), wherein the material injecting and dispersing pipe (3) is communicated with the mud dredging pipe (1) through the dispersing pipes (35), the material injecting and dispersing pipe (3) injects sand which is flowable into the mud dredging pipe (1), the number of the dispersing pipes (35) is not less than 3, and the inner diameter of each dispersing pipe (35) is not less than 1/8 of the inner diameter of the mud dredging pipe (1).
3. The rapid pipeline mixing and solidifying device for dredging sludge with ultrahigh water content according to claim 1, wherein the rapid pipeline mixing and solidifying device comprises the following components: the grouting pipe (4) consists of a No. 2 flow meter control valve (41), a slurry conveying pipe (42), a slurry stirring tank (43), a No. 2 high-pressure slurry pump (44), a screw conveyer (45) and a curing agent storage tank (46), wherein the grouting pipe (4) is directly communicated with the mud dredging pipe (1), the grouting pipe (4) is used for injecting the curing agent slurry which is flowable into the mud dredging pipe (1), and the inner diameter of the grouting pipe (4) is 1/7-1/4 of the inner diameter of the mud dredging pipe (1).
4. The rapid pipeline mixing and solidifying device for dredging sludge with ultrahigh water content according to claim 1, wherein the rapid pipeline mixing and solidifying device comprises the following components: the number of the spiral diversion baffles (5) is not less than 3, the shape is spiral, the upper end and the lower end are respectively connected with the inner wall of the mud dredging pipeline (1), and the length of the mud dredging pipeline is not less than 3 times of the inner diameter of the mud dredging pipeline (1).
5. The rapid pipeline mixing and solidifying device for dredging sludge with ultrahigh water content according to claim 1, wherein the rapid pipeline mixing and solidifying device comprises the following components: the annular staggered shunt pipe (6) consists of an annular staggered shunt main pipe (61) and annular staggered shunt branch pipes (62), and the staggered distance between the two annular staggered shunt branch pipes (62) on the mud dredging pipe (1) is not less than 10 times of the inner diameter of the mud dredging pipe (1); the inner diameter of the annular staggered split main pipe (61) is 1/2-3/5 of the inner diameter of the mud dredging pipeline (1), and the inner diameter of the staggered split branch pipe (62) is 1/3-1/2 of the inner diameter of the mud dredging pipeline (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320419621.8U CN219730735U (en) | 2023-03-08 | 2023-03-08 | Quick pipeline mixing and solidifying device for dredging sludge with ultrahigh water content |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320419621.8U CN219730735U (en) | 2023-03-08 | 2023-03-08 | Quick pipeline mixing and solidifying device for dredging sludge with ultrahigh water content |
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| Publication Number | Publication Date |
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| CN219730735U true CN219730735U (en) | 2023-09-22 |
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| CN202320419621.8U Active CN219730735U (en) | 2023-03-08 | 2023-03-08 | Quick pipeline mixing and solidifying device for dredging sludge with ultrahigh water content |
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| Country | Link |
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| CN (1) | CN219730735U (en) |
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- 2023-03-08 CN CN202320419621.8U patent/CN219730735U/en active Active
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