CN212272212U - Mud water balance mud feeding system for jacking pipe - Google Patents
Mud water balance mud feeding system for jacking pipe Download PDFInfo
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- CN212272212U CN212272212U CN202020715839.4U CN202020715839U CN212272212U CN 212272212 U CN212272212 U CN 212272212U CN 202020715839 U CN202020715839 U CN 202020715839U CN 212272212 U CN212272212 U CN 212272212U
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Abstract
The utility model relates to a mud-water balance mud feeding system for pipe jacking, which comprises a sedimentation tank arranged beside a working well on the ground, an adjusting tank arranged on the ground side by the sedimentation tank, a stirring device arranged on the adjusting tank, a mud feeding pump connected with the adjusting tank, a mud feeding pipeline with one end connected with the mud feeding pump, and a foundation pit bypass valve arranged on the mud feeding pipeline; a drain pipe is arranged on the sedimentation tank, and one end of the drain pipe is communicated with the adjusting tank; the other end of the mud inlet pipeline is positioned in the mud chamber; and an electromagnetic flowmeter is arranged on the sludge inlet pipeline. The utility model belongs to the technical field of the balanced push pipe construction of muddy water, mud flow and adjustment mud viscosity are advanced in its control that can be reasonable, and are applicable to sandy soil layer, have the balanced effect of muddy water and stabilize consequently improve construction quality's advantage.
Description
Technical Field
The utility model belongs to the technical field of the technique of muddy water balance push pipe construction and specifically relates to a balanced mud system that advances of muddy water for push pipe.
Background
At present, the muddy water balance pipe jacking construction is widely used in underground pipeline construction such as underground water sewage pipeline construction, natural gas pipelines, petroleum pipelines and the like as an important construction method for the existing underground pipeline and tunnel construction, and the basic principle is muddy water wall protection, namely, soil mass is cut by a full section, the muddy water pressure is adopted to balance the soil pressure and the underground water pressure, and muddy water is utilized to convey an abandoned soil medium. The core of the mud-water balance tunneling machine is a mud circulation system, the mud circulation system comprises a mud inlet pipe and a mud discharge pipe, during mud-water type tunneling construction, the mud inlet pipe continuously supplies mud water, the mud water with certain pressure is injected into an excavation cabin to keep the excavation surface stable, the mud discharge pipe continuously discharges the mud water mixed with waste soil out of the excavation cabin, and the circulation is carried out so as to ensure the smooth proceeding of mud inlet and discharge.
The prior patent with publication number CN205556432U discloses a non-excavation pipe-jacking construction sludge treatment water circulation system, which comprises an excavation tunnel, wherein a drill bit, a pipe jacking machine, a pipe jacking and a relay room are arranged in the excavation tunnel, a lower deslagging pipe and a water inlet pipe are arranged in the pipe jacking machine, the lower deslagging pipe is connected with a deslagging pump, an outlet of the deslagging pump is connected with an upper deslagging pipe, and an outlet of the upper deslagging pipe is arranged on a sludge box; the mud case is equipped with silt separating centrifuge, and silt separating centrifuge's one end is connected with the pipe of slagging tap, and silt separating centrifuge's the other end is connected with the clarified water pipe, and the other end and the intake pump of clarified water pipe are connected, and the other end and the inlet tube of intake pump are connected. This mud sediment treatment water circulating system can carry the mud incasement with the mud sediment that the excavation in-process produced by the scum pump, through setting up mud sediment separating centrifuge in the mud case with mud sediment and separation of water, the water of separation can recycle again, satisfies green construction requirement, has reached the purpose of practicing thrift the environmental protection. In the prior art, when the push pipe is in a construction process, mud residue and water are separated, so that mud content of mud water conveyed by the water inlet pipe, viscosity and relative density of the mud water are too low, particularly, sandy soil which is easy to loosen, small in cohesive force and easy to disturb is easy to cause large permeability coefficient, unstable mud water balance effect is easy to cause, and the problems of ground settlement, poor construction quality and the like are easily caused.
Therefore, a system for balancing the slurry into the slurry is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a mud system is advanced in mud balance for push pipe, mud flow and adjustment mud viscosity are advanced in control that can be reasonable, can be applicable to sandy soil layer, have the stable advantage that consequently improves construction quality of mud balance effect.
The above object of the present invention can be achieved by the following technical solutions:
a mud-water balance mud feeding system for pipe jacking comprises a sedimentation tank arranged on the ground beside a working well, an adjusting tank arranged on the ground side by side with the sedimentation tank, a stirring device arranged on the adjusting tank, a mud feeding pump connected with the adjusting tank, a mud feeding pipeline with one end connected with the mud feeding pump, and a foundation pit bypass valve arranged on the mud feeding pipeline;
a drain pipe is arranged on the sedimentation tank, and one end of the drain pipe is communicated with the adjusting tank;
the other end of the mud inlet pipeline is positioned in the mud chamber;
and an electromagnetic flowmeter is arranged on the sludge inlet pipeline.
Through adopting the technical scheme, the utility model discloses with the mud discharge back in the push pipe work progress, present physical settlement through the sedimentation tank lets the great rubble deposit of granule in the sedimentation tank, and during all the other mud flowed the equalizing basin from the sedimentation tank, be used for adjusting the consistency, the concentration and the mud content of mud in the equalizing basin, can add appropriate amount mixture in the equalizing basin when necessary. And the stirring device can avoid the secondary sedimentation of the slurry in the adjusting tank, which leads to the reduction of the consistency, concentration or mud content of the slurry. Can avoid influencing into mud effect, cause construction quality poor. The electromagnetic flowmeter is convenient for constructors to monitor flow, and can adjust and operate the mud according to construction requirements, so that the construction effect is better.
The present invention may be further configured in a preferred embodiment as: the height dimension of the sedimentation tank is larger than that of the adjusting tank.
Through adopting above-mentioned technical scheme, the height dimension of sedimentation tank is greater than the height dimension of equalizing basin, and the mud of being convenient for to discharge flows to the equalizing basin in the top of sedimentation tank after the sedimentation of sedimentation tank better, and the mud in the adjusting basin is strikeed to the mud that flows in, makes its mixture more even, reduces the effect that the secondary subsides.
The present invention may be further configured in a preferred embodiment as: the adjusting tank is provided with a mud supplementing pipe.
Through adopting above-mentioned technical scheme, the setting of benefit mud pipe can be used for supplementing the content of the mud of equalizing basin. The mud content in the mud pipeline is prevented from being too low, so that the mud content in the mud pipeline is not up to standard, and the construction quality is poor.
The present invention may be further configured in a preferred embodiment as: and a material supplementing box is arranged on the adjusting tank.
Through adopting above-mentioned technical scheme, the setting of feed supplement case is convenient for the staff to add the tackifier in the equalizing basin to keep the stability of muddy water nature.
The present invention may be further configured in a preferred embodiment as: a water feeding pipe is arranged on the regulating tank;
the water adding pipe is used for adding water into the adjusting tank to adjust the viscosity of muddy water entering the mud inlet pipeline.
Through adopting above-mentioned technical scheme, can add the clear water through the filler pipe in to the equalizing basin, avoid the mud content of mud too high, lead to the mud pump of advancing among the entire system and advance damages such as mud pipeline. And the content of the muddy water is moderate so as to improve the construction quality.
The present invention may be further configured in a preferred embodiment as: and a branch pipe is arranged on the water feeding pipe, and the other end of the branch pipe is communicated with the sludge inlet pipeline.
Through adopting above-mentioned technical scheme, the other end and the mud pipeline intercommunication of advancing of the branch pipe of filler pipe. The branch pipe can directly supply clear water to the mud feeding pipeline for cleaning the pipeline. When the mud inlet branch pipe is not used for a long time or after construction is completed, the mud inlet pipeline can be cleaned by clean water provided by the branch pipe, mud is prevented from being condensed in the mud inlet pipeline, and the mud inlet pipeline is convenient to use next time.
The present invention may be further configured in a preferred embodiment as: and one end of the mud inlet pipeline, which is positioned in the muddy water cabin, is provided with a conical cover.
Through adopting above-mentioned technical scheme, the setting of conical cover for advance the mud pipeline can more disperse the injection when injecting the muddy water into the muddy water cabin, increase the moist area of muddy water and soil block, improve the construction speed.
The present invention may be further configured in a preferred embodiment as: the part of the mud inlet pipeline, which is positioned in the top pipe, is formed by fixedly connecting a plurality of branch pipes end to end.
Through adopting the technical scheme, make the utility model discloses it is more convenient to increase into mud pipeline's length in well long distance's push pipe work progress.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the utility model discloses a sedimentation tank deposits the broken stone piece of large granule, is used for adjusting the consistency, the concentration and the mud content of mud in the equalizing basin, can add appropriate amount mixture in the equalizing basin when necessary. And the stirring device can avoid the secondary sedimentation of the slurry in the adjusting tank, which leads to the reduction of the consistency, concentration or mud content of the slurry. The electromagnetic flowmeter is convenient for constructors to monitor the flow, and can carry out mud adjustment operation according to construction requirements, so that the construction effect is better;
2. be equipped with the benefit workbin on the equalizing basin, the setting of benefit workbin is convenient for the staff to add the tackifier in the equalizing basin to keep the stability of muddy water nature.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the utility model after installation.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.
Reference numerals: 11. the device comprises a sedimentation tank, 12, a regulating tank, 13, a stirring device, 21, a mud feeding pump, 31, a mud feeding pipeline, 41, a foundation pit bypass valve, 111, a water discharging pipe, 51, an electromagnetic flowmeter, 121, a mud supplementing pipe, 122, a material supplementing box, 123, a water adding pipe, 124, a branch pipe, 311, a conical cover, 312 and branch pipes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Please refer to fig. 1 and fig. 2, for the present invention discloses a mud-water balance mud-feeding system for pipe-jacking, which mainly comprises a sedimentation tank 11, an adjusting tank 12, a mud-feeding pump 21, a mud-feeding pipeline 31, a foundation pit bypass valve 41, an electromagnetic flowmeter 51, etc. Wherein, the sedimentation tank 11 and the adjusting tank 12 are arranged on the ground beside the working well at intervals, the mud feeding pump 12 is connected with the adjusting tank 12, one end of the mud feeding pipeline 31 is connected with the mud feeding pump 31, the foundation pit bypass valve 41 is arranged on the mud feeding pipeline 31, and the electromagnetic flowmeter 51 is also arranged on the mud feeding pipeline 31.
The equalizing basin 12 can adopt the box that the welding of polylith metal sheet formed equally, and the position that is close to the top on the equalizing basin 12 is equipped with the inlet tube, and drain pipe 111 passes through inlet tube and equalizing basin 12 intercommunication, and in addition, the position that equalizing basin 12 is close to the bottom still is equipped with the fluid-discharge tube, and mud pump 21 passes through the fluid-discharge tube and is connected with equalizing basin 12. The adjusting tank 12 is provided with a stirring device 13, a mud supplementing pipe 121, a supplementing tank 122 and a water adding pipe 123. Wherein, the stirring device 13 mainly comprises a motor arranged on the regulating reservoir 12, a speed reducer and a stirring rod connected with the motor through a key. The stirring device 13 is used for stirring the slurry liquid in the adjusting tank 12 to uniformly mix the slurry and the water.
In addition, the mud supplementing pipe 121 is arranged at the top of the regulating reservoir, and the connection mode with the regulating reservoir 12 can be welding, bolt connection or thread connection. The constructor can add mud or soil into the adjusting tank through the mud supplementing pipe 121. The feed box 122 is also arranged at the top of the regulating tank 12, and the feed opening and the baffle are arranged at the bottom of the feed box 122. When the tackifier is required to be added into the regulating reservoir 12, the bentonite and a certain proportion of CMC (carboxy methyl cellulose) are mixed and then placed in the material supplementing box 122, and the bentonite and the CMC are added into the regulating reservoir 12 from the material supplementing box 122 according to construction requirements.
In addition, one end of the water adding pipe 123 is fixed on the top of the adjusting tank 12 by an iron wire, the other end of the water adding pipe is communicated with a water source, and clean water can flow through the water adding pipe 123 from the water source and enter the adjusting tank 12 for adding water into the adjusting tank 12 to adjust the viscosity of muddy water entering the mud inlet pipeline 31. Furthermore, a tee joint can be arranged on the water feeding pipe 123, the tee joint is in threaded connection with a branch pipe 124, the other end of the branch pipe 124 is communicated with the sludge inlet pipeline 31, and clear water directly entering the sludge inlet pipeline 31 from the branch pipe 124 is used for cleaning the sludge inlet pipeline 31.
The slurry pump 21 may be a slurry pump which can deliver a high concentration of a high viscosity (viscosity less than 10000 Pas) slurry containing particles in suspension. The input end of the sludge inlet pump 21 is connected with the adjusting tank 12 through a liquid discharge pipe, and the output end of the sludge inlet pump is connected with the sludge inlet pipeline 31, wherein the connection mode can be flange connection.
Referring to fig. 1 and 3, the mud inlet pipe 31 is composed of a plurality of branch pipes 312 connected end to end, the branch pipes 312 may be PE pipes, and the connection mode between every two PE pipes may be hot melt connection, electric melting connection, flange connection or steel-plastic transition joint connection. The other end of the mud inlet pipeline 31 is located in the mud tank 31, the other end is further provided with a conical cover 311, the conical cover 311 can be made of plastic, metal conical plates, rubber plates and other materials, and the conical cover 311 and the mud inlet pipeline 31 can be in threaded connection. The tapered cover 311 enables the muddy water to be spread over the stone or soil mass crushed by the plug blade when the muddy water enters the muddy water tank from the muddy water inlet pipe 31. So that the mud is quickly wetted and becomes mud which is pumped out of the mud tank.
Referring to fig. 1, the foundation pit bypass valve 41 is composed of a plurality of valves and pipelines, and the mud intake pump 21 and the mud discharge pump realize external circulation of the pipe jacking machine between the two pumps through the switch combination of the valves, and in addition, the foundation pit bypass valve 41 can also realize the exchange between the mud intake pipeline 31 and the mud discharge pipeline, so as to realize the quick cleaning of the mud intake pipeline 31 and the mud discharge pipeline. Further, the pit bypass valve 41 can also be used for draining accumulated water in the sludge inlet pipe 31 when the system is dismantled.
The electromagnetic flowmeter 51 is installed in the sludge inlet pipe 31 at a position close to the sludge inlet pump 21, and the electromagnetic flowmeter 51 is mainly composed of a magnetic circuit system, a measuring pipe, electrodes, a casing, a lining, a converter and the like. The electromagnetic flowmeter 51 measures the flow rate of the conductive fluid based on the electromotive force induced when the conductive fluid passes through an external magnetic field by using the principle of electromagnetic induction. Constructors can ensure the relative stability of the slurry liquid level when the pressure fluctuation of the muddy water cabin is too large as required, and the stability of the liquid level can increase the flow of the mud inlet pipeline 31 by increasing the rotating speed of the mud inlet pump 21, so that the liquid level in the muddy water cabin is stable.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a mud system is advanced with muddy water balance to push pipe which characterized in that: the device comprises a sedimentation tank (11) arranged on the ground beside a working well, a regulating tank (12) arranged on the ground side by side with the sedimentation tank (11), a stirring device (13) arranged on the regulating tank (12), a mud inlet pump (21) connected with the regulating tank (12), a mud inlet pipeline (31) with one end connected with the mud inlet pump (21), and a foundation pit bypass valve (41) arranged on the mud inlet pipeline (31);
a drain pipe (111) is arranged on the sedimentation tank (11), and one end of the drain pipe (111) is communicated with the adjusting tank (12);
the other end of the mud inlet pipeline (31) is positioned in the mud chamber;
and an electromagnetic flowmeter (51) is arranged on the sludge inlet pipeline (31).
2. The mud-water balance mud feeding system for jacking pipes as claimed in claim 1, wherein: the height dimension of the sedimentation tank (11) is larger than that of the adjusting tank (12).
3. The mud-water balance mud feeding system for jacking pipes as claimed in claim 1, wherein: the adjusting tank (12) is provided with a mud supplementing pipe (121).
4. The mud-water balance mud feeding system for jacking pipes as claimed in claim 1, wherein: and a material supplementing box (122) is arranged on the adjusting tank (12).
5. The mud-water balance mud feeding system for jacking pipes as claimed in claim 1, wherein: a water adding pipe (123) is arranged on the adjusting tank (12);
the water adding pipe (123) is used for adding water into the adjusting tank (12) to adjust the viscosity of the muddy water entering the mud inlet pipeline (31).
6. The mud-water balance mud feeding system for jacking pipes as claimed in claim 5, wherein: a branch pipe (124) is arranged on the water feeding pipe (123), and the other end of the branch pipe (124) is communicated with the mud inlet pipeline (31).
7. The mud-water balance mud feeding system for jacking pipes as claimed in claim 1, wherein: one end of the mud inlet pipeline (31) positioned in the mud water cabin is provided with a conical cover (311).
8. The mud-water balance mud feeding system for jacking pipes as claimed in claim 1, wherein: the part of the mud inlet pipeline (31) in the top pipe is formed by fixedly connecting a plurality of branch pipes (312) end to end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715839.4U CN212272212U (en) | 2020-04-30 | 2020-04-30 | Mud water balance mud feeding system for jacking pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715839.4U CN212272212U (en) | 2020-04-30 | 2020-04-30 | Mud water balance mud feeding system for jacking pipe |
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| Publication Number | Publication Date |
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| CN212272212U true CN212272212U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020715839.4U Active CN212272212U (en) | 2020-04-30 | 2020-04-30 | Mud water balance mud feeding system for jacking pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658920A (en) * | 2022-05-10 | 2022-06-24 | 天元建设集团有限公司 | Auxiliary grouting device and method for pipe jacking construction and storage medium |
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2020
- 2020-04-30 CN CN202020715839.4U patent/CN212272212U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658920A (en) * | 2022-05-10 | 2022-06-24 | 天元建设集团有限公司 | Auxiliary grouting device and method for pipe jacking construction and storage medium |
| CN114658920B (en) * | 2022-05-10 | 2023-10-27 | 天元建设集团有限公司 | Auxiliary grouting device and method for pipe jacking construction and storage medium |
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