CN110241912B - Tunnel dredging circulation system and application method thereof - Google Patents
Tunnel dredging circulation system and application method thereof Download PDFInfo
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- CN110241912B CN110241912B CN201910565181.5A CN201910565181A CN110241912B CN 110241912 B CN110241912 B CN 110241912B CN 201910565181 A CN201910565181 A CN 201910565181A CN 110241912 B CN110241912 B CN 110241912B
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- pump
- pipe
- inlet
- circulation system
- flow path
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000010802 sludge Substances 0.000 claims abstract description 70
- 239000002002 slurry Substances 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000011010 flushing procedure Methods 0.000 claims abstract description 16
- 239000013049 sediment Substances 0.000 claims description 42
- 238000010276 construction Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 description 12
- 238000012544 monitoring process Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000009991 scouring Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a circulation system for dredging tunnels and a use method thereof, and relates to the technical field of tunnel construction, wherein the circulation system comprises a slurry inlet assembly and a slurry discharge assembly, the slurry inlet assembly comprises a slurry inlet pump, a slurry inlet pipe, a slurry inlet valve and a flushing pipe which are sequentially connected, the inlet of the slurry inlet pump is connected with an adjusting tank, and the outlet of the flushing pipe is connected with a water gun; the sludge discharging assembly comprises a first submersible pump, a sludge sucking pipe, a sludge discharging valve, a sludge discharging pipe and a first sludge discharging pump which are sequentially connected, wherein the first sludge discharging pump is connected with the mud-water separator; the device also comprises a circulating pipe connected between the pulp inlet pipe and the sludge discharge pipe and a regulating valve arranged on the circulating pipe. According to the invention, before or after the large circulation flow path is operated, the small circulation flow path is started to dredge the pipeline, so that the probability of pipeline blockage after the tunnel dredging circulation system is started is reduced; and the flow of the circulating pipe is controlled by the regulating valve, so that the pressure of the large circulation flow path and the small circulation flow path is balanced, the stability of the circulation system is improved, and the conveying efficiency is improved.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a circulation system for dredging tunnels and a use method thereof.
Background
In the field of tunnel construction, a collar flow system is generally adopted for dredging the tunnel, but in the use process of the existing circulation system, the slurry in a pipeline is precipitated and agglomerated after long-time shutdown to cause blockage, so that a large amount of time is required to be spent for removing barriers to influence the construction period; in addition, the circulation system has no real-time monitoring function, so that the failure rate of the conveying pump is high, and the fluctuation of flow deviation of the silt sucking pipe and the flushing pipe is large due to the influence of the complex condition of silt, so that the conveying pump is extremely easy to damage after air suction; in the long-distance conveying process, the slurry leakage of a pipe burst at a certain position in a pipeline cannot be known in time, and a flooding accident is easy to cause.
Disclosure of Invention
The invention aims at solving at least one of the technical problems in the prior art, and aims at providing a circulating system for dredging a tunnel and a use method thereof.
The technical scheme adopted for solving the technical problems is as follows:
A loop system for dredging tunnels comprising:
the pulp feeding assembly comprises a pulp feeding pump, a pulp feeding pipe, a pulp feeding valve and a flushing pipe which are sequentially connected, wherein an inlet of the pulp feeding pump is connected with the adjusting tank, and an outlet of the flushing pipe is connected with the water gun;
The sludge discharging assembly comprises a first submersible pump, a sludge sucking pipe, a sludge discharging valve, a sludge discharging pipe and a first sludge discharging pump which are sequentially connected, wherein the first sludge discharging pump is connected with the mud-water separator;
The loop system further comprises:
the circulating pipe is connected between the pulp inlet pipe and the sludge discharge pipe;
The regulating valve is arranged on the circulating pipe and used for regulating the flow of the circulating pipe;
The air compressor is connected with the pulp inlet valve, the silt discharging valve and the regulating valve.
Preferably, the circulation system further comprises a pulp inlet pump inlet pressure gauge and a pulp inlet pump outlet pressure gauge, wherein the pulp inlet pump inlet pressure gauge is arranged at the pulp inlet pump inlet, and the pulp inlet pump outlet pressure gauge is arranged at the pulp inlet pump outlet; the device also comprises a pulp feeding flowmeter and a pulp feeding pressure gauge, wherein the pulp feeding flowmeter and the pulp feeding pressure gauge are sequentially arranged on the pulp feeding pipe and positioned between the pulp feeding pump and the pulp feeding valve.
Preferably, the circulation system further comprises a sludge discharge flow meter arranged on the sludge discharge pipe and located between the first sludge discharge pump and the mud-water separator.
Preferably, the circulation system further comprises a first sediment outflow pump inlet pressure gauge and a first sediment outflow pump outlet pressure gauge, wherein the first sediment outflow pump inlet pressure gauge is arranged at the first sediment outflow pump inlet, and the first sediment outflow pump outlet pressure gauge is arranged at the first sediment outflow pump outlet.
Preferably, the circulation system further comprises a second sludge discharge pump and a sludge discharge pipe, wherein the second sludge discharge pipe and the sludge discharge pipe are connected between the first sludge discharge pump and the mud-water separator.
Preferably, the circulation system further comprises a second sediment outflow pump inlet pressure gauge and a second sediment outflow pump outlet pressure gauge, wherein the second sediment outflow pump inlet pressure gauge is arranged at the second sediment outflow pump inlet, and the second sediment outflow pump outlet pressure gauge is arranged at the second sediment outflow pump outlet.
Preferably, the flushing pipes are arranged in parallel, and the water guns are respectively connected with the flushing pipes.
Preferably, the silt removing assembly further comprises a second submersible pump, and the first submersible pump and the second submersible pump are arranged in parallel.
The use method of the tunnel dredging circulation system comprises the tunnel dredging circulation system, wherein the pulp inlet assembly and the sludge discharge assembly are connected to form a large circulation flow path, and the pulp inlet pump, the pulp inlet pipe, the circulation pipe, the regulating valve, the sludge discharge pipe and the first sludge discharge pump are sequentially connected to form a small circulation flow path; the method comprises the following steps:
operating the small loop flow path before the large loop flow path is operated;
When the small circulation flow path is operated for a first preset time, the large circulation flow path is operated;
When the large circulation flow path stops running, the small circulation flow path is run;
and stopping the small circulation flow path after the small circulation flow path runs for a second preset time.
Preferably, after the step of operating the large circulation flow path, the method further comprises:
The opening degree of the regulating valve is controlled so as to ensure that the circulation system is stably and efficiently conveyed.
The one or more technical schemes provided by the embodiment of the invention have at least the following beneficial effects: compared with the prior art, the circulation system for dredging the tunnel and the use method thereof provided by the embodiment of the invention have the advantages that the small circulation flow path is started to dredge the pipeline before or after the large circulation flow path is started, so that the probability of pipeline blockage after the tunnel dredging circulation system is started is reduced; and the flow of the circulating pipe is controlled by the regulating valve, so that the pressure of the large circulation flow path and the small circulation flow path is balanced, the stability of the circulation system is improved, and the conveying efficiency is improved.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
figure 1 is a block diagram of an embodiment of a loop system for tunnel dredging according to the present invention;
Figure 2 is a flow chart of an embodiment of a method of using a tunnel dredging circulation system of the present invention.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1, a circulation system for dredging a tunnel according to an embodiment of the present invention includes:
The slurry inlet assembly 11 is used for providing scouring media for dredging a tunnel, the slurry inlet assembly 11 comprises a slurry inlet pump 110, a slurry inlet pipe 120, a slurry inlet valve 130 and a flushing pipe 140 which are sequentially connected, an inlet of the slurry inlet pump 110 is connected with an adjusting tank 150, diluted slurry treated by the adjusting tank 150 is circularly injected into the slurry inlet assembly 11, and an outlet of the flushing pipe 140 is connected with a water gun 160 for scouring a tunnel working surface; it can be understood that the flushing pipes 140 are generally provided with a plurality of flushing pipes, and are arranged in parallel, and the water guns 160 are respectively connected with the plurality of flushing pipes 140, so that the flushing efficiency is improved;
The sludge discharging assembly 12 is used for conveying sludge after dredging the tunnel, the sludge discharging assembly 12 comprises a first submersible pump 210, a sludge suction pipe 220, a sludge discharging valve 230, a sludge discharging pipe 240 and a first sludge discharging pump 250 which are sequentially connected, an outlet of the first sludge discharging pump 250 is connected with a mud-water separator 290, thick sludge is treated, and the thick sludge is injected into the regulating tank 150 for recycling; it will be appreciated that the silt removing assembly 12 further comprises a second submersible pump 211, the first submersible pump 210 and the second submersible pump 211 are arranged in parallel, so that the silt removing efficiency can be improved, and the circulation system can be prevented from being stopped due to the failure of a single submersible pump;
It should be noted that, the slurry inlet assembly 11 and the sludge discharge assembly 12 are connected to form a large circulation flow path 10, i.e. a basic circulation system for realizing dredging of the tunnel;
in addition, the loop system further comprises:
A circulation pipe 310, the circulation pipe 310 being connected between the pulp inlet pipe 120 and the sludge discharge pipe 240 to form a branch flow of a pipeline, which can divide the flow of the pulp inlet pipe 120 into the pulp inlet valve 130 and can adjust the flow of the sludge discharge pipe 240;
A regulating valve 320, the regulating valve 320 being disposed on the circulation pipe 310 for regulating a flow rate of the circulation pipe 310;
the air compressor 400, the air compressor 400 is connected with the pulp inlet valve 130, the silt discharging valve 230 and the regulating valve 320;
The slurry inlet pump 110, the slurry inlet pipe 120, the circulation pipe 310, the control valve 320, the sludge discharge pipe 240, and the first sludge discharge pump 250 are connected in this order to form the small circulation flow path 20. In the embodiment, before or after the large circulation flow path 10 is operated or stopped, the small circulation flow path 20 is started to dredge the pipeline, so that the slag content of the slurry is reduced, and the probability of pipeline blockage after the tunnel dredging circulation system is started is reduced; in addition, the flow rate of the circulation pipe 310 is controlled by the regulating valve 320, so that the pressures of the large circulation flow path 10 and the small circulation flow path 20 are balanced, the stability of the circulation system is improved, and the conveying efficiency is improved.
In some embodiments, the circulation system further includes a pulp inlet pump pressure gauge 111 and a pulp inlet pump pressure gauge 112, where the pulp inlet pump pressure gauge 111 is disposed at the inlet of the pulp inlet pump 110, and the pulp inlet pump pressure gauge 112 is disposed at the outlet of the pulp inlet pump 110, so as to monitor the inlet and outlet pressures of the pulp inlet pump 110 in real time; still include into thick liquid flowmeter 170 and advance thick liquid manometer 180, advance thick liquid flowmeter 170 and advance thick liquid manometer 180 and set gradually on advance thick liquid pipe 120 and be located into between thick liquid pump 110 and the thick liquid valve 130, concrete, circulation pipe 310 is located into the export of thick liquid flowmeter 170 and advance thick liquid manometer 180, consequently, can monitor the pressure of advancing thick liquid subassembly 11 and the flow of advancing thick liquid pipe 120, thereby the accessible adjusts the aperture of governing valve 320, the stability of advancing thick liquid subassembly 11 is controlled in real time, guarantee the efficiency of carrying, improve the efficiency of tunnel scour operation.
In some embodiments, the circulation system further includes a sludge discharge flowmeter 260, where the sludge discharge flowmeter 260 is disposed on the sludge discharge pipe 240 and between the first sludge discharge pump 250 and the mud-water separator 290, and by the combined action of the slurry inlet flowmeter 170 and the sludge discharge flowmeter 260, the instantaneous flow deviation of the two flowmeters can be monitored, so as to timely find out the pipe explosion fault occurring in the pipeline, and further timely close the circulation system, thereby preventing the flooding accident, and ensuring better safety. Preferably, the circulation system further comprises a first sediment outflow pump inlet pressure gauge 251 and a first sediment outflow pump outlet pressure gauge 252, wherein the first sediment outflow pump inlet pressure gauge 251 is arranged at the inlet of the first sediment outflow pump 250, the first sediment outflow pump outlet pressure gauge 252 is arranged at the outlet of the first sediment outflow pump 250 and is used for detecting the pressure at the inlet and outlet of the first sediment outflow pump 250, monitoring the pressure of the sediment outflow pipe 240 in real time, improving the stability of the sediment outflow assembly 12 and ensuring the transportation efficiency.
In some embodiments, to accommodate the needs of long-distance tunnel construction, the circulation system further includes a second sludge discharge pump 270 and a sludge discharge pipe 280, and the second sludge discharge pipe 240 and the sludge discharge pipe 280 are connected between the first sludge discharge pump 250 and the mud-water separator 290, so as to improve the efficiency of long-distance sludge transportation. It will be appreciated that the circulation system further comprises a second sediment outflow pump inlet pressure gauge 271 and a second sediment outflow pump outlet pressure gauge 272, the second sediment outflow pump inlet pressure gauge 271 is disposed at an inlet of the second sediment outflow pump 270, and the second sediment outflow pump outlet pressure gauge 272 is disposed at an outlet of the second sediment outflow pump 270 for detecting a pressure at an inlet and an outlet of the second sediment outflow pump 270, and monitoring a pressure of the sediment outflow pipe 280 in real time.
Referring to fig. 2, a method for using a tunnel dredging circulation system according to an embodiment of the present invention includes a tunnel dredging circulation system according to the above embodiment, where the circulation system includes the following steps:
step S100, before the large circulation flow path 10 operates, the small circulation flow path 20 is operated to stir the slurry in the pipeline and dredge the pipeline;
Step S200, when the small circulation flow path 20 runs for a first preset time, the large circulation flow path 10 is run, so that the tunnel dredging operation is realized;
Step S300, when the large circulation flow path 10 stops running, namely after the tunnel dredging operation is stopped, the small circulation flow path 20 is run, and the sludge slag content in the pipeline is reduced;
In step S400, when the small circulation flow path 20 is operated for a second preset time, the small circulation flow path 20 stops operating. The method can effectively reduce the probability of pipeline blockage after the tunnel dredging circulation system is started, prolong the service life of the circulation system and improve the construction efficiency. The first preset time and the second preset time are empirical values, and are generally determined according to the soil environment of the actual construction site, and the numerical value is larger when the soil viscosity is larger, and smaller when the soil viscosity is smaller.
More preferably, after step S200, step S210 is further included to control the opening of the regulating valve 320 so as to stably and efficiently convey the loop system. It will be appreciated that when the large circulation flow path 10 is in operation, the small circulation flow path 20 will not stop operating, but the opening of the regulating valve 320 is appropriately controlled in time by the parameters of the flowmeter and the press of the circulation system, so that the slurry in the pipeline maintains sufficient fluidity, the conveying efficiency is improved, and the circulation system is more stable.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (10)
1. A loop system for dredging tunnels, comprising:
the pulp feeding assembly comprises a pulp feeding pump, a pulp feeding pipe, a pulp feeding valve and a flushing pipe which are sequentially connected, wherein an inlet of the pulp feeding pump is connected with the adjusting tank, and an outlet of the flushing pipe is connected with the water gun;
The sludge discharging assembly comprises a first submersible pump, a sludge sucking pipe, a sludge discharging valve, a sludge discharging pipe and a first sludge discharging pump which are sequentially connected, wherein the first sludge discharging pump is connected with the mud-water separator;
The loop system further comprises:
the circulating pipe is connected between the pulp inlet pipe and the sludge discharge pipe;
The regulating valve is arranged on the circulating pipe and used for regulating the flow of the circulating pipe;
The air compressor is connected with the pulp inlet valve, the silt discharging valve and the regulating valve.
2. A tunnel dredging circulation system according to claim 1, characterized in that: the circulation system further comprises a pulp inlet pump inlet pressure gauge and a pulp inlet pump outlet pressure gauge, wherein the pulp inlet pump inlet pressure gauge is arranged at the pulp inlet pump inlet, and the pulp inlet pump outlet pressure gauge is arranged at the pulp inlet pump outlet; the device also comprises a pulp feeding flowmeter and a pulp feeding pressure gauge, wherein the pulp feeding flowmeter and the pulp feeding pressure gauge are sequentially arranged on the pulp feeding pipe and positioned between the pulp feeding pump and the pulp feeding valve.
3. A tunnel dredging circulation system according to claim 2, characterized in that: the circulation system further comprises a sludge discharge flowmeter which is arranged on the sludge discharge pipe and is positioned between the first sludge discharge pump and the mud-water separator.
4. A tunnel dredging circulation system according to claim 2 or 3, characterized in that: the circulation system further comprises a first sediment outflow pump inlet pressure gauge and a first sediment outflow pump outlet pressure gauge, wherein the first sediment outflow pump inlet pressure gauge is arranged at the first sediment outflow pump inlet, and the first sediment outflow pump outlet pressure gauge is arranged at the first sediment outflow pump outlet.
5. A tunnel dredging circulation system according to claim 1, characterized in that: the circulation system further comprises a second sludge discharge pump and a sludge discharge pipe, wherein the second sludge discharge pump and the sludge discharge pipe are connected between the first sludge discharge pump and the mud-water separator.
6. A tunnel dredging circulation system according to claim 5, characterised in that: the circulation system further comprises a second sediment outflow pump inlet pressure gauge and a second sediment outflow pump outlet pressure gauge, wherein the second sediment outflow pump inlet pressure gauge is arranged at the second sediment outflow pump inlet, and the second sediment outflow pump outlet pressure gauge is arranged at the second sediment outflow pump outlet.
7. A tunnel dredging circulation system according to claim 1, characterized in that: the flushing pipes are connected in parallel and are respectively connected with the water gun.
8. A tunnel dredging circulation system according to claim 1, characterized in that: the sediment removal assembly further comprises a second submersible pump, and the first submersible pump and the second submersible pump are arranged in parallel.
9. The application method of the tunnel dredging circulation system is characterized by comprising the following steps of: a circulation system comprising a tunnel dredging system according to any one of claims 1 to 8, wherein the slurry inlet assembly and the sludge discharge assembly are connected to form a large circulation flow path, and the slurry inlet pump, the slurry inlet pipe, the circulation pipe, the regulating valve, the sludge discharge pipe and the first sludge discharge pump are sequentially connected to form a small circulation flow path; the method comprises the following steps:
operating the small loop flow path before the large loop flow path is operated;
When the small circulation flow path is operated for a first preset time, the large circulation flow path is operated;
When the large circulation flow path stops running, the small circulation flow path is run;
and stopping the small circulation flow path after the small circulation flow path runs for a second preset time.
10. A method of using a tunnel dredging circulation system according to claim 9, further comprising, after the step of operating the large circulation flow path:
The opening degree of the regulating valve is controlled so as to ensure that the circulation system is stably and efficiently conveyed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565181.5A CN110241912B (en) | 2019-06-27 | 2019-06-27 | Tunnel dredging circulation system and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565181.5A CN110241912B (en) | 2019-06-27 | 2019-06-27 | Tunnel dredging circulation system and application method thereof |
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| Publication Number | Publication Date |
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| CN110241912A CN110241912A (en) | 2019-09-17 |
| CN110241912B true CN110241912B (en) | 2024-04-19 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4600338A (en) * | 1982-07-08 | 1986-07-15 | De Ondernemingen S.B.B.M. | Mud removal process and apparatus |
| JPH11145531A (en) * | 1997-11-11 | 1999-05-28 | Shimadzu Corp | Gas circulation equipment |
| US6358415B1 (en) * | 1998-11-24 | 2002-03-19 | Wai On Leung | Vortex sewage disposal apparatus |
| CN202227458U (en) * | 2011-09-26 | 2012-05-23 | 周慧 | Draining and silt-discharging system |
| CN203855998U (en) * | 2014-03-26 | 2014-10-01 | 程永祥 | Automatic dredging system |
| CN106049588A (en) * | 2016-07-11 | 2016-10-26 | 张斌 | Silt discharging device for water conservancy project |
| CN206815508U (en) * | 2017-04-05 | 2017-12-29 | 李新安 | A kind of pipeline sludge cleaning plant and its system |
| CN206829227U (en) * | 2017-07-05 | 2018-01-02 | 中交天航环保工程有限公司 | A kind of relay type river arranges silt system |
| CN108166516A (en) * | 2017-11-30 | 2018-06-15 | 成都同新房地产开发有限公司 | Dewatering well utilization system based on sponge city and utilize method |
| CN108612179A (en) * | 2018-04-26 | 2018-10-02 | 高文杰 | A kind of water supply and sewerage pipeline dredging connector sleeve |
| CN109680790A (en) * | 2018-12-11 | 2019-04-26 | 上海市基础工程集团有限公司 | Dredging Construction method is dredged in the non-cutout of large-scale pipeline |
| CN210369289U (en) * | 2019-06-27 | 2020-04-21 | 广东欣龙隧道装备股份有限公司 | Circulation system for dredging tunnel |
-
2019
- 2019-06-27 CN CN201910565181.5A patent/CN110241912B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4600338A (en) * | 1982-07-08 | 1986-07-15 | De Ondernemingen S.B.B.M. | Mud removal process and apparatus |
| JPH11145531A (en) * | 1997-11-11 | 1999-05-28 | Shimadzu Corp | Gas circulation equipment |
| US6358415B1 (en) * | 1998-11-24 | 2002-03-19 | Wai On Leung | Vortex sewage disposal apparatus |
| CN202227458U (en) * | 2011-09-26 | 2012-05-23 | 周慧 | Draining and silt-discharging system |
| CN203855998U (en) * | 2014-03-26 | 2014-10-01 | 程永祥 | Automatic dredging system |
| CN106049588A (en) * | 2016-07-11 | 2016-10-26 | 张斌 | Silt discharging device for water conservancy project |
| CN206815508U (en) * | 2017-04-05 | 2017-12-29 | 李新安 | A kind of pipeline sludge cleaning plant and its system |
| CN206829227U (en) * | 2017-07-05 | 2018-01-02 | 中交天航环保工程有限公司 | A kind of relay type river arranges silt system |
| CN108166516A (en) * | 2017-11-30 | 2018-06-15 | 成都同新房地产开发有限公司 | Dewatering well utilization system based on sponge city and utilize method |
| CN108612179A (en) * | 2018-04-26 | 2018-10-02 | 高文杰 | A kind of water supply and sewerage pipeline dredging connector sleeve |
| CN109680790A (en) * | 2018-12-11 | 2019-04-26 | 上海市基础工程集团有限公司 | Dredging Construction method is dredged in the non-cutout of large-scale pipeline |
| CN210369289U (en) * | 2019-06-27 | 2020-04-21 | 广东欣龙隧道装备股份有限公司 | Circulation system for dredging tunnel |
Non-Patent Citations (2)
| Title |
|---|
| 分析三菱泥水平衡盾构机环流***的配置与操作;李飞;;科技信息(科学教研);20071201(34);全文 * |
| 张用楺 ; 林永明 ; .防止室内排水管道堵塞,提高工程质量.给水排水技术动态.2000,(01),全文. * |
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Inventor after: Zheng Yangrui Inventor after: He Zixing Inventor after: Cai Weijian Inventor after: Huang Jiancong Inventor after: Yu Xiaopeng Inventor after: Chen Guochang Inventor after: Liu Zhicheng Inventor after: Chen Meiting Inventor after: Jin Jianwei Inventor after: Li Haimin Inventor after: Li Haijie Inventor after: Zhu Baoting Inventor after: Liu Yongwei Inventor before: Zheng Yangrui Inventor before: Chen Guochang Inventor before: Liu Zhibin Inventor before: Chen Meiting Inventor before: Jin Jianwei Inventor before: Chen Xiaoxi |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |