CN210369289U - Circulation system for dredging tunnel - Google Patents
Circulation system for dredging tunnel Download PDFInfo
- Publication number
- CN210369289U CN210369289U CN201920991222.2U CN201920991222U CN210369289U CN 210369289 U CN210369289 U CN 210369289U CN 201920991222 U CN201920991222 U CN 201920991222U CN 210369289 U CN210369289 U CN 210369289U
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- Prior art keywords
- pump
- pipe
- silt
- circulation system
- slurry inlet
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- 239000002002 slurry Substances 0.000 claims abstract description 63
- 239000010802 sludge Substances 0.000 claims abstract description 57
- 238000007599 discharging Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000011010 flushing procedure Methods 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 27
- 238000010276 construction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model discloses a circulation system for tunnel dredging, which relates to the technical field of tunnel construction, and comprises a slurry inlet component and a sludge discharge component, wherein the slurry inlet component 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 pool, and the outlet of the flushing pipe is connected with a water gun; the sludge discharge component comprises a first submersible pump, a sludge suction pipe, a sludge discharge valve, a sludge discharge pipe and a first sludge discharge pump which are connected in sequence, and the outlet of the first sludge discharge pump is connected with a mud-water separator; the slurry-discharging device also comprises a circulating pipe connected between the slurry-feeding pipe and the sludge-discharging pipe and a regulating valve arranged on the circulating pipe. The utility model starts the small circulation flow path to dredge the pipeline before or after the large circulation flow path is stopped, thereby reducing the probability of pipeline blockage after the tunnel dredging circulation system is started; 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 a circulation system is improved, and the conveying efficiency is improved.
Description
Technical Field
The utility model relates to a tunnel construction technical field, in particular to circulation system of tunnel desilting.
Background
In the field of tunnel construction, a set of circulation system is generally adopted for dredging operation of a tunnel, but in the using process of the existing circulation system, slurry in a pipeline is often precipitated and agglomerated after long-time shutdown, so that blockage is caused, a large amount of time is spent on removing obstacles, and the construction period is influenced; in addition, the circulation system has no real-time monitoring function, so that the failure rate of the conveying pump is high, the flow deviation fluctuation of the silt suction pipe and the flushing pipe is large due to the influence of complicated sludge conditions, and the conveying pump is easy to damage after being emptied; in the process of long-distance conveying, slurry leakage of a certain pipe burst in a pipeline cannot be known in time, and flooding accidents are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, the utility model aims at providing a circulation system of tunnel desilting adopts two sets of circulation system combinations of big circulation and little circulation, utilizes mud or the big circulation that the regulating power of little circulation in the stirring pipeline before big circulation moves to reduce the silt slag content in the pipeline after stopping to reduce the probability that the pipeline blockked up after the circulation system of tunnel desilting starts.
The technical scheme adopted for solving the technical problems is as follows:
a circulation system for tunnel dredging comprising:
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, wherein the inlet of the slurry inlet pump is connected with the adjusting tank, and the outlet of the flushing pipe is connected with the water gun;
the sludge discharge component comprises a first submersible pump, a sludge suction pipe, a sludge discharge valve, a sludge discharge pipe and a first sludge discharge pump which are sequentially connected, and the outlet of the first sludge discharge pump is connected with a mud-water separator;
the circulation system further comprises:
the circulating pipe is connected between the slurry 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 slurry inlet valve, the sludge discharge valve and the regulating valve;
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 circulating pipe, the regulating valve, the sludge discharge pipe and the first sludge discharge pump are sequentially connected to form a small circulation flow path.
Preferably, the circulation system further comprises a slurry inlet pump inlet pressure gauge and a slurry inlet pump outlet pressure gauge, the slurry inlet pump inlet pressure gauge is arranged at the inlet of the slurry inlet pump, and the slurry inlet pump outlet pressure gauge is arranged at the outlet of the slurry inlet pump; still including advancing the thick liquid flowmeter and advancing the thick liquid pressure gauge, advance the thick liquid flowmeter with advance the thick liquid pressure gauge set gradually in advance on the thick liquid pipe and be located advance the thick liquid pump with advance between the thick liquid valve.
Preferably, the circulation system further comprises a sludge discharge flowmeter, wherein the sludge discharge flowmeter is arranged on the sludge discharge pipe and is located between the first sludge discharge pump and the sludge-water separator.
Preferably, the circulation system further comprises a first desilting pump inlet pressure gauge and a first desilting pump outlet pressure gauge, the first desilting pump inlet pressure gauge is arranged at the inlet of the first desilting pump, and the first desilting pump outlet pressure gauge is arranged at the outlet of the first desilting pump.
Preferably, the circulation system further comprises a second silt discharging pump and a silt discharging pipe, and the second silt discharging pipe and the silt discharging pipe are connected between the first silt discharging pump and the mud-water separator.
Preferably, the circulation system further comprises a second silt discharging pump inlet pressure gauge and a second silt discharging pump outlet pressure gauge, the second silt discharging pump inlet pressure gauge is arranged at the second silt discharging pump inlet, and the second silt discharging pump outlet pressure gauge is arranged at the second silt discharging pump outlet.
Preferably, the flushing pipes are arranged in parallel, and the plurality of flushing pipes are respectively connected with the water gun.
Preferably, the silt discharging component further comprises a second submersible pump, and the first submersible pump and the second submersible pump are arranged in parallel.
The embodiment of the utility model provides a one or more technical scheme has following beneficial effect at least: compared with the prior art, the embodiment of the utility model provides a circulation system of tunnel desilting, adopt before the operation of big circulation flow path or after the shutdown, start little circulation flow path and dredge the pipeline to reduce the probability that the pipeline blockked up after the circulation system of tunnel desilting starts; 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 a circulation system is improved, and the conveying efficiency is improved.
Drawings
The invention is further described with reference to the following figures and examples:
fig. 1 is a structural diagram of an embodiment of a circulation system for tunnel dredging according to the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood 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 there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, the utility model discloses a circulation system of tunnel desilting, include:
the slurry inlet assembly 11 is used for providing scouring media for tunnel dredging, 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 pool 150, diluted slurry processed by the adjusting pool 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 and is used for scouring a tunnel working surface; it can be understood that a plurality of flushing pipes 140 are generally arranged in parallel, and the plurality of flushing pipes 140 are respectively connected with the water gun 160, which is beneficial to improving the flushing efficiency;
the sludge discharging component 12 is used for conveying sludge after the tunnel is dredged, the sludge discharging component 12 comprises a first submersible pump 210, a sludge suction pipe 220, a sludge discharge valve 230, a sludge discharge pipe 240 and a first sludge discharge pump 250 which are sequentially connected, an outlet of the first sludge discharge pump 250 is connected with a mud-water separator 290, thick slurry is treated and then injected into the adjusting tank 150 for recycling; it can be understood that the sludge discharge assembly 12 further comprises a second submersible pump 211, and the first submersible pump 210 and the second submersible pump 211 are arranged in parallel, so that the sludge discharge efficiency can be improved, and the circulation system can be prevented from being stopped due to the fault 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 the dredging of the tunnel;
in addition, the circulation system further includes:
the circulating pipe 310 is connected between the slurry inlet pipe 120 and the sludge discharge pipe 240 to form a pipeline branch flow, and can divide the flow of the slurry inlet pipe 120 entering the slurry inlet valve 130 and adjust the flow of the sludge discharge pipe 240;
the adjusting valve 320, the adjusting valve 320 is arranged on the circulating pipe 310 and is used for adjusting the flow of the circulating pipe 310;
the air compressor 400, the air compressor 400 connects the slurry inlet valve 130, the silt discharging valve 230 and the regulating valve 320;
it should be noted that the slurry inlet pump 110, the slurry inlet pipe 120, the circulation pipe 310, the adjustment 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 runs or stops running, the small circulation flow path 20 is started to dredge the pipeline, so that the slag content of 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 control 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 slurry inlet pump inlet pressure gauge 111 and a slurry inlet pump outlet pressure gauge 112, the slurry inlet pump inlet pressure gauge 111 is disposed at the inlet of the slurry inlet pump 110, the slurry inlet pump outlet pressure gauge 112 is disposed at the outlet of the slurry inlet pump 110, and the inlet and outlet pressures of the slurry inlet pump 110 can be monitored in real time; still include into thick liquid flowmeter 170 and advance thick liquid pressure gauge 180, advance thick liquid flowmeter 170 and advance thick liquid pressure gauge 180 and set gradually on advancing thick liquid pipe 120 and be located into the thick liquid pump 110 and advance between the thick liquid valve 130, concretely, circulating pipe 310 is located into the export of thick liquid flowmeter 170 and advance thick liquid pressure gauge 180, consequently can monitor the pressure of advancing thick liquid subassembly 11 and advance the flow of thick liquid pipe 120, thereby the accessible adjusts the aperture of governing valve 320, real-time control advances the stability of thick liquid subassembly 11, guarantee the efficiency of carrying, the efficiency of the operation is washed in the improvement tunnel.
In some embodiments, the circulation system further includes a sludge discharge flowmeter 260, the sludge discharge flowmeter 260 is disposed on the sludge discharge pipe 240 and located between the first sludge discharge pump 250 and the mud-water separator 290, and the slurry inlet flowmeter 170 and the sludge discharge flowmeter 260 cooperate to monitor instantaneous flow deviations of the two flowmeters, so as to timely find out a pipe burst fault occurring in the pipeline, and further timely close the circulation system to prevent a flooding accident, and the safety is better. Preferably, the circulation system further includes a first silt discharging pump inlet pressure gauge 251 and a first silt discharging pump outlet pressure gauge 252, the first silt discharging pump inlet pressure gauge 251 is disposed at an inlet of the first silt discharging pump 250, and the first silt discharging pump outlet pressure gauge 252 is disposed at an outlet of the first silt discharging pump 250, and is used for detecting pressures at the inlet and the outlet of the first silt discharging pump 250, monitoring the pressure of the silt discharging pipe 240 in real time, improving the stability of the silt discharging assembly 12, and ensuring the transportation efficiency.
In some embodiments, in order to meet the requirement of long-distance tunnel construction, the circulation system further comprises 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 sludge-water separator 290, so that the efficiency of long-distance sludge conveying is improved. It can be understood that the circulation system further includes a second silt discharging pump inlet pressure gauge 271 and a second silt discharging pump outlet pressure gauge 272, the second silt discharging pump inlet pressure gauge 271 is disposed at the inlet of the second silt discharging pump 270, and the second silt discharging pump outlet pressure gauge 272 is disposed at the outlet of the second silt discharging pump 270, and is used for detecting the pressure at the inlet and the outlet of the second silt discharging pump 270 and monitoring the pressure of the silt discharging pipe 280 in real time.
The utility model discloses when circulation system used, including following step:
before the large circulation flow path 10 runs, the small circulation flow path 20 runs to stir the slurry in the pipeline and dredge the pipeline;
when the small circulation flow path 20 operates for a first preset time, the large circulation flow path 10 operates to realize the dredging operation of the tunnel;
when the large circulation flow path 10 stops running, namely the tunnel dredging operation is stopped, the small circulation flow path 20 runs to reduce the slag content of the sludge in the pipeline;
when the small circulation flow path 20 operates for a second preset time, the small circulation flow path 20 stops operating. The step 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. It should be noted that 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 when the soil viscosity is large, the numerical value is large, and when the soil viscosity is small, the numerical value is small.
It is more preferable that the method further includes the step of controlling the opening degree of the control valve 320 so that the circulation system can stably and efficiently convey the circulating fluid after the step of operating the large circulation flow path 10. It can be understood that, after the large circulation flow path 10 is operated, the small circulation flow path 20 does not stop operating, but the opening degree of the regulating valve 320 is properly controlled in due time according to the parameters of the flow meter and the press of the circulation system, so that the slurry in the pipeline keeps 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 without departing from the gist of the present invention within the knowledge range of those skilled in the art.
Claims (8)
1. A circulation system for tunnel dredging, comprising:
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, wherein the inlet of the slurry inlet pump is connected with the adjusting tank, and the outlet of the flushing pipe is connected with the water gun;
the sludge discharge component comprises a first submersible pump, a sludge suction pipe, a sludge discharge valve, a sludge discharge pipe and a first sludge discharge pump which are sequentially connected, and the outlet of the first sludge discharge pump is connected with a mud-water separator;
the circulation system further comprises:
the circulating pipe is connected between the slurry 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 machine, the air compressor machine is connected advance thick liquid valve, arrange the silt valve with the governing valve.
2. A circulation system for tunnel dredging according to claim 1, wherein: the circulation system also comprises a slurry inlet pump inlet pressure gauge and a slurry inlet pump outlet pressure gauge, wherein the slurry inlet pump inlet pressure gauge is arranged at the inlet of the slurry inlet pump, and the slurry inlet pump outlet pressure gauge is arranged at the outlet of the slurry inlet pump; still including advancing the thick liquid flowmeter and advancing the thick liquid pressure gauge, advance the thick liquid flowmeter with advance the thick liquid pressure gauge set gradually in advance on the thick liquid pipe and be located advance the thick liquid pump with advance between the thick liquid valve.
3. A circulation system for tunnel dredging according to claim 2, wherein: the circulation system still includes row's silt flowmeter, arrange the silt flowmeter set up in arrange on the silt pipe and be located first row's silt pump with between the mud-water separator.
4. A circulation system for tunnel dredging according to claim 2 or 3, wherein: the circulation system still includes first row's silt pump and advances manometer and first row's silt pump, first row's silt pump advance manometer set up in first row's silt pump entry, first row's silt pump goes out the manometer set up in first row's silt pump export.
5. A circulation system for tunnel dredging according to claim 1, wherein: the circulation system also comprises a second silt discharging pump and a silt discharging pipe, wherein the second silt discharging pipe is connected with the silt discharging pipe between the first silt discharging pump and the mud-water separator.
6. A circulation system for tunnel dredging according to claim 5, wherein: the circulation system also comprises a second silt discharging pump inlet pressure gauge and a second silt discharging pump outlet pressure gauge, the second silt discharging pump inlet pressure gauge is arranged at the second silt discharging pump inlet, and the second silt discharging pump outlet pressure gauge is arranged at the second silt discharging pump outlet.
7. A circulation system for tunnel dredging according to claim 1, wherein: the flushing pipes are arranged in parallel, and are connected with the water guns respectively.
8. A circulation system for tunnel dredging according to claim 1, wherein: arrange the silt subassembly and still include the second immersible pump, first immersible pump with the second immersible pump is parallelly connected setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991222.2U CN210369289U (en) | 2019-06-27 | 2019-06-27 | Circulation system for dredging tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991222.2U CN210369289U (en) | 2019-06-27 | 2019-06-27 | Circulation system for dredging tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210369289U true CN210369289U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920991222.2U Withdrawn - After Issue CN210369289U (en) | 2019-06-27 | 2019-06-27 | Circulation system for dredging tunnel |
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| Country | Link |
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| CN (1) | CN210369289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241912B (en) * | 2019-06-27 | 2024-04-19 | 广东欣龙隧道装备股份有限公司 | Tunnel dredging circulation system and application method thereof |
-
2019
- 2019-06-27 CN CN201920991222.2U patent/CN210369289U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241912B (en) * | 2019-06-27 | 2024-04-19 | 广东欣龙隧道装备股份有限公司 | Tunnel dredging circulation system and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200421 Effective date of abandoning: 20240419 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200421 Effective date of abandoning: 20240419 |