A kind of circulation system and its application method of tunnel dredging
Technical field
The present invention relates to technical field of tunnel construction, in particular to the circulation system of a kind of tunnel dredging and its user
Method.
Background technique
In constructing tunnel field, a set of circulation system generally used to the dredging operation in tunnel, but existing circulation
In use, often because after shutting down for a long time, the mud sediment in pipeline agglomerates system, causes to block, to need
Troubleshooting is taken a significant amount of time, the duration is influenced;In addition, circulation system does not have real-time monitoring and control, delivery pump failure rate is resulted in
Height fluctuates silt-sucking tube and flushing pipe flow deviation larger due to being influenced by mud complex situations, delivery pump be emptied after easily
Damage;During long-distance sand transport, booster spillage in somewhere can not also know in time in pipeline, be easy to cause waterflooding accident.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art, the purpose of the present invention is to provide one
The circulation system and its application method of kind tunnel dredging utilize small ring using the two sets of circulation systems combinations of big circulation and small circulation
The mud in pipeline is reduced after mud or big circulation of the regulating power of stream before big circulation is run in stirring pipeline are out of service
Slag-containing rate, to reduce the probability of pipeline blockage after the starting of tunnel dredging circulation system.
Used technical solution to solve above-mentioned technical problem:
A kind of circulation system of tunnel dredging, comprising:
Into slurry component, it is described into slurry component include being sequentially connected into stock pump, inlet pipe, slurry-inlet valve and flushing pipe, it is described
Adjustment pond, the flushing pipe outlet connection hydraulic giant are connected into stock pump entrance;
Arrange silt component, row's silt component include the first immersible pump being sequentially connected, silt-sucking tube, desilting valve, desilting tube and
First drainage pump, the first row silt pump discharge connect separator for mud and water;
The circulation system further include:
Circulation pipe, the circulation pipe are connected between the inlet pipe and the desilting tube;
Regulating valve, the regulating valve are set on the circulation pipe, for adjusting the flow of the circulation pipe;
Air compressor machine, the air compressor machine connect the slurry-inlet valve, the desilting valve and the regulating valve.
Preferably, the circulation system further includes going out pressure gauge into stock pump into pressure gauge and into stock pump, it is described into stock pump into
Pressure gauge be set to it is described into stock pump entrance, it is described into stock pump to go out pressure gauge and be set to described to export into stock pump;It further include into slurry
Flowmeter and into slurry pressure gauge, it is described into slurry flowmeter and described to be set in turn on the inlet pipe and be located at into slurry pressure gauge
It is described between stock pump and the slurry-inlet valve.
Preferably, the circulation system further includes row's silt flowmeter, and row's silt flowmeter is set on the desilting tube
And between first drainage pump and the separator for mud and water.
Preferably, to further include the first drainage pump pump out pressure gauge into pressure gauge and first row silt to the circulation system, described
First drainage pump is set to the first row silt pump intake into pressure gauge, and the first row silt pumps out pressure gauge and is set to described the
The outlet of one drainage pump.
Preferably, the circulation system further includes that the second drainage pump is managed with silt is gone out, second desilting tube and the silt out
Pipe is connected between first drainage pump and the separator for mud and water.
Preferably, to further include the second drainage pump pump out pressure gauge into pressure gauge and second row silt to the circulation system, described
Second drainage pump is set to the second row silt pump intake into pressure gauge, and the second row silt pumps out pressure gauge and is set to described the
The outlet of two drainage pumps.
Preferably, the flushing pipe is a plurality of in being arranged in parallel, and a plurality of flushing pipe is connected separately with the hydraulic giant.
Preferably, row's silt component further includes the second immersible pump, and first immersible pump and second immersible pump are in
It is arranged in parallel.
A kind of application method of tunnel dredging circulation system, including a kind of above-described circulation system of tunnel dredging,
It is described to be connected to form big circulation flow path into slurry component and row's silt component, it is described into stock pump, inlet pipe, circulation pipe, regulating valve,
Desilting tube and the first drainage pump are sequentially connected to form small circulation flow path;The following steps are included:
Before the big circulation flow path operation, the small circulation flow path is run;
After the small circulation flow path runs the first preset time, the big circulation flow path is run;
After the big circulation flow path is out of service, the small circulation flow path is run;
After the small circulation flow path runs the second preset time, the small circulation flow path is out of service.
Preferably, after the step of operation big circulation flow path, further includes:
Control the aperture of the regulating valve so that the circulation system stability and high efficiency convey.
One or more technical solutions provided by the embodiment of the present invention, at least have the advantages that with it is existing
Technology is compared, a kind of circulation system and its application method of tunnel dredging provided in an embodiment of the present invention, using in big circulation stream
Before road transport row or after out of service, start small circulation flow path and pipeline is dredged, is opened to reduce tunnel dredging circulation system
The probability of pipeline blockage after dynamic;And controlled by flow of the regulating valve to circulation pipe, to balance big circulation flow path and small
The pressure of circulation flow path promotes the stability of circulation system, improves transfer efficiency.
Detailed description of the invention
The present invention is described further with reference to the accompanying drawings and examples:
Fig. 1 is a kind of structure chart of the circulation system embodiment of tunnel dredging of the present invention;
Fig. 2 is a kind of flow chart of the application method embodiment of tunnel dredging circulation system of the present invention.
Specific embodiment
This part will be described in specific embodiments of the present invention, and the preferred embodiments of the invention is shown in the accompanying drawings, attached
The effect of figure be with figure remark additionally book word segment description, enable a person to intuitively, visually understand of the invention
Each technical characteristic and overall technical architecture, but it should not be understood as limiting the scope of the invention.
In the description of the present invention, it is to be understood that, be related to orientation description, for example, above and below, front, rear, left and right etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore be not considered as limiting the invention.
In the description of the present invention, several to be meant that one or more, it is multiple to be meant that two or more, be greater than,
Be less than, more than etc. be interpreted as not including this number, it is above, following, within etc. be interpreted as including this number.If there is being described to first,
Second is only intended to for the purpose of distinguishing technical characteristic, is not understood to indicate or imply relative importance or implicitly indicates institute
The quantity of the technical characteristic of instruction or the precedence relationship for implicitly indicating indicated technical characteristic.
In description of the invention, unless otherwise restricted clearly, the words such as setting, installation, connection be shall be understood in a broad sense, institute
Above-mentioned word in the present invention specific can rationally be determined with the particular content of combination technology scheme by belonging to technical field technical staff
Meaning.
Shown in referring to Fig.1, a kind of circulation system of tunnel dredging of the embodiment of the present invention, comprising:
For for tunnel dredging provide scour medium into slurry component 11, include being sequentially connected into stock pump into slurry component 11
110, inlet pipe 120, slurry-inlet valve 130 and flushing pipe 140 connect adjustment pond 150 into 110 entrance of stock pump, will be by adjusting pond 150
Dilution mud circulation that treated is injected into slurry component 11, the outlet of flushing pipe 140 connection hydraulic giant 160, for tunnel front
It is washed away;It is understood that flushing pipe 140 is typically provided with a plurality of, and in being arranged in parallel, a plurality of flushing pipe 140 is distinguished
It is connected with hydraulic giant 160, is conducive to improve the efficiency washed away;
Row's silt component 12 for transporting the mud after tunnel dredging, row's silt component 12 include that first be sequentially connected is dived
Water pump 210, silt-sucking tube 220, desilting valve 230, desilting tube 240 and the first drainage pump 250, the first drainage pump 250 outlet connection mud
Separator 290 handles thick mud, reinjects in adjustment pond 150 and is recycled;It is understood that row is become silted up
Component 12 further includes the second immersible pump 211, the first immersible pump 210 and the second immersible pump 211 in being arranged in parallel, can the row's of raising silt effect
Rate, and the failure of pump that can prevent from individually diving under water causes circulation system to be shut down;
It should be noted that being connected to form big circulation flow path 10 into slurry component 11 and row's silt component 12, i.e., for realizing tunnel
The basic circulation system of road dredging;
In addition, circulation system further include:
Circulation pipe 310, circulation pipe 310 are connected between inlet pipe 120 and desilting tube 240, form pipeline tributary, Ke Yifen
Flow the flow that inlet pipe 120 enters slurry-inlet valve 130, and the flow of adjustable desilting tube 240;
Regulating valve 320, regulating valve 320 are set on circulation pipe 310, for adjusting the flow of circulation pipe 310;
Air compressor machine 400, air compressor machine 400 connect slurry-inlet valve 130, desilting valve 230 and regulating valve 320;
It should be noted that into stock pump 110, inlet pipe 120, circulation pipe 310, regulating valve 320, desilting tube 240 and first
Drainage pump 250 is sequentially connected to form small circulation flow path 20.The present embodiment opens before big circulation flow path 10 is run or after out of service
It moves small circulation flow path 20 to dredge pipeline, reduces the slag-containing rate of mud, thus after reducing the starting of tunnel dredging circulation system
The probability of pipeline blockage;Moreover, being controlled by flow of the regulating valve 320 to circulation pipe 310, to balance big circulation flow path
10 and small circulation flow path 20 pressure, promote the stability of circulation system, improve transfer efficiency.
In wherein some embodiments, circulation system further includes going out pressure gauge into stock pump into pressure gauge 111 and into stock pump
112, it is set into stock pump into pressure gauge 111 into 110 entrance of stock pump, goes out pressure gauge 112 into stock pump and be set into stock pump 110
Mouthful, the inlet and outlet pressure into stock pump 110 can be monitored in real time;Further include into slurry flowmeter 170 and into slurry pressure gauge
180, it is set in turn in inlet pipe 120 on into slurry flowmeter 170 and into slurry pressure gauge 180 and is located at into stock pump 110 and slurry-inlet valve
Between 130, specifically, circulation pipe 310 be located at into slurry flowmeter 170 and into slurry pressure gauge 180 outlet, therefore can monitor into
The pressure of component 11 and the flow of inlet pipe 120 are starched, so as to which by the aperture for adjusting regulating valve 320, real-time control is into slurry group
The stability of part 11 guarantees the efficiency of conveying, improves the efficiency that tunnel washes away operation.
In wherein some embodiments, circulation system further includes row's silt flowmeter 260, arranges 260 row of being set to of silt flowmeter
On silt pipe 240 and between the first drainage pump 250 and separator for mud and water 290, by into slurry flowmeter 170 and row silt flowmeter
260 collective effect can detect the instantaneous flow deviation of two flowmeters, find the booster failure occurred in pipeline in time,
And then circulation system is closed in time, the generation of waterflooding accident is prevented, safety is more preferably.Preferably, circulation system further includes first
Drainage pump pumps out pressure gauge 252 into pressure gauge 251 and first row silt, and the first drainage pump is set to first row into pressure gauge 251 and becomes silted up
250 entrances are pumped, first row silt pumps out pressure gauge 252 and is set to the outlet of the first drainage pump 250, for detecting the first drainage pump 250
The pressure of inlet and outlet monitors the pressure of desilting tube 240 in real time, and the stability of the row's of raising silt component 12 guarantees to transport
Efficiency.
In wherein some embodiments, in order to adapt to the needs of long distance tunnel construction, circulation system further includes second row
Silt pumps 270 and silt pipe 280, the second desilting tube 240 and out silt pipe 280 are connected to the first drainage pump 250 and separator for mud and water 290 out
Between, improve the efficiency of long range mud conveying.It is understood that circulation system further includes the second drainage pump into pressure gauge
271 and second row silt pump out pressure gauge 272, the second drainage pump is set to 270 entrance of the second drainage pump into pressure gauge 271, second
Drainage pump goes out pressure gauge 272 and is set to the outlet of the second drainage pump 270, right for detecting the pressure of the second drainage pump 270 inlet and outlet
The pressure of silt pipe 280 is monitored in real time out.
Referring to shown in Fig. 2, a kind of application method of tunnel dredging circulation system of the embodiment of the present invention, including implement above
Example a kind of tunnel dredging circulation system, the circulation system in use, the following steps are included:
Step S100 runs small circulation flow path 20 before the operation of big circulation flow path 10, stirs the mud in pipeline, dredging
Pipeline;
Step S200 runs big circulation flow path 10 after small circulation flow path 20 runs the first preset time, realizes that tunnel is clear
Silt operation;
Step S300 that is, after stopping tunnel dredging operation, runs small circulation flow path after big circulation flow path 10 is out of service
20, reduce the mud slag-containing rate in pipeline;
Step S400, after small circulation flow path 20 runs the second preset time, small circulation flow path 20 is out of service.This method
The probability of pipeline blockage after dredging circulation system in tunnel starts can be effectively reduced, extend the service life of circulation system, raising is applied
Work efficiency rate.It should be noted that the first preset time and the second preset time are empirical value, generally according to practice of construction place
Soil property environment determines that numerical value is larger when soil property viscosity is larger, and numerical value is smaller when soil property viscosity is smaller.
Wherein, it is more preferred to, further include step S210 after step S200, control to adjust valve 320 aperture so that
Convey to circulation system stability and high efficiency.It will be appreciated that after the operation of big circulation flow path 10 therefore small circulation flow path 20 will not stop
Only run, but by the parameter of the flowmeter of circulation system and press machine, the aperture of regulating valve 320 is suitably controlled in due course,
To make the mud in pipeline keep enough mobility, transfer efficiency is improved, keeps circulation system more stable.
The embodiment of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to the above embodiments,
Technical field those of ordinary skill within the scope of knowledge, can also make each without departing from the purpose of the present invention
Kind variation.