CN109403990A - The remodeling method and system of slurry shield slurry flushing system - Google Patents
The remodeling method and system of slurry shield slurry flushing system Download PDFInfo
- Publication number
- CN109403990A CN109403990A CN201811200731.5A CN201811200731A CN109403990A CN 109403990 A CN109403990 A CN 109403990A CN 201811200731 A CN201811200731 A CN 201811200731A CN 109403990 A CN109403990 A CN 109403990A
- Authority
- CN
- China
- Prior art keywords
- slurry
- mud
- pipe
- shield
- flushing system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002002 slurry Substances 0.000 title claims abstract description 159
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000007634 remodeling Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 37
- 230000008569 process Effects 0.000 claims abstract description 4
- 230000005641 tunneling Effects 0.000 claims abstract description 4
- 239000004575 stone Substances 0.000 claims description 53
- 238000003756 stirring Methods 0.000 claims description 8
- 238000009955 starching Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 description 8
- 230000009466 transformation Effects 0.000 description 8
- 229920002472 Starch Polymers 0.000 description 7
- 238000010276 construction Methods 0.000 description 7
- 235000019698 starch Nutrition 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 6
- 238000009991 scouring Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- 239000008107 starch Substances 0.000 description 5
- 238000000151 deposition Methods 0.000 description 3
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
- E21D9/0657—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end structurally associated with rock crushers
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention relates to the remodeling methods and system of a kind of slurry shield slurry flushing system, and this method comprises the following steps: by the plasma discharge pipeline connection of the suction inlet of slush pump and mud flushing system；Feed pipe for mortar is connected to the row of slush pump mouthful；One end of first flush pipe is connected to feed pipe for mortar, the other end protrudes into the muddy water storehouse of shield and corresponding cutterhead forms the first swash；One end of second flush pipe is connect with feed pipe for mortar, the other end protrudes into the muddy water storehouse of shield and corresponding mud door forms the second swash；And in shield tunneling process, the mud of the plasma discharge pipeline of mud flushing system is delivered at cutterhead and mud door via feed pipe for mortar, the first flush pipe and the second flush pipe to wash away by slush pump.The present invention improves the effect that mud washes away cutterhead and mud door, reduces the generation that cutterhead forms mud cake and the susceptible to plugging problem of mud door, it is ensured that safely and smoothly driving of the shield in secondary use.
Description
Technical field
The present invention relates to slurry shield construction field, refers in particular to a kind of remodeling method of slurry shield slurry flushing system and be
System.
Background technique
Key equipment of the shield machine as constructing tunnel, cost is big, and service life is short, and it is secondary often to carry out equipment transition
It uses.
Poor to the adaptability on stratum when the secondary use of shield machine, Different Strata is big to construction infection, for Extra-fine sand and
The shield machine that boulder bed is designed, when coping with the heavier geology of aleuritic texture/siliceous mudstone, clay content, mud in muddy water storehouse
Slurry washes away pipeline there are underfed, insufficient pressure, weaker to the scouring capability of cutterhead and cutter head of shield machine is caused to form mud cake
With the susceptible to plugging problem of mud door.And forefathers are concentrated mainly on super-large-diameter shield and circulation system sheet to the transformation of circulation system
Body does not have the method being transformed for the original flushing system of slurry shield, therefore to improve the turnover utilization rate of shield machine
Now it is urgent to provide a kind of remodeling method and system based on original flushing system.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of transformation of slurry shield slurry flushing system is provided
Method and system, solve existing slurry shield causes cutter head of shield machine to form mud in secondary use because scouring capability is weaker
Cake and the susceptible to plugging problem of mud door.
Realizing the technical solution of above-mentioned purpose is:
The present invention provides a kind of remodeling methods of slurry shield slurry flushing system, include the following steps:
A slush pump is provided, by the plasma discharge pipeline connection of the suction inlet of the slush pump and mud flushing system；
Slurry-conveying tube is provided, the feed pipe for mortar is connected to the row of the slush pump mouthful；
One first flush pipe is provided, one end of first flush pipe is connected to the feed pipe for mortar, the other end protrudes into shield
In the muddy water storehouse of structure and corresponding cutterhead forms the first swash；
One second flush pipe is provided, one end of second flush pipe is connect with the feed pipe for mortar, the other end protrudes into shield
In the muddy water storehouse of structure and corresponding mud door forms the second swash；And
In shield tunneling process, by the slush pump by the mud of the plasma discharge pipeline of the mud flushing system via institute
Feed pipe for mortar, first flush pipe and second flush pipe is stated to be delivered at the cutterhead and the mud door to be rushed
Brush washes away interior circulation and improves the mud speed rate in muddy water storehouse to form in the mud flushing system.
Remodeling method of the invention is arranged one on the original mud flushing system of slurry shield and washes away interior circulation, will be former
The mud of the plasma discharge pipeline of some mud flushing systems is again fed in muddy water storehouse, improves the flow velocity of mud, to improve
Mud pressure in muddy water storehouse improves the effect that mud washes away cutterhead and mud door, reduces cutterhead to a certain extent and forms mud
The generation of cake and the susceptible to plugging problem of mud door, it is ensured that safely and smoothly driving of the shield in secondary use.
The remodeling method of slurry shield slurry flushing system of the present invention further improvement lies in that, further includes:
In being symmetrical arranged passive mixing pile on the panel in muddy water storehouse, the position of passive mixing pile towards the cutterhead is convex
Stretch setting；
In opening up the spout facing with the cutterhead on the passive mixing pile；
It provides first and draws slurry pipe, draw slurry pipe by described first and be connected to the spout with first swash.
The remodeling method of slurry shield slurry flushing system of the present invention further improvement lies in that, further includes:
It provides two second and draws slurry pipe, draw slurry pipe for described two second and be connected to second swash；
The nozzle that described two second are drawn slurry pipe is set to the two sides of the mud door.
The remodeling method of slurry shield slurry flushing system of the present invention further improvement lies in that, further includes:
Slurry pipe is led in offer, and described one end for leading slurry pipe is connected to the feed pipe for mortar；
By in the other end and the mud flushing system for leading slurry pipe to the air cushion storehouse of air cushion storehouse conveying mud into slurry
Pipeline connection, and the ball valve for starching pipe on-off is led on slurry pipe described in setting control in described lead.
The remodeling method of slurry shield slurry flushing system of the present invention further improvement lies in that, further includes:
Active mixing pile is provided, the active mixing pile is installed on stone crusher on the part of stone crusher Jaw plate,
And enable the active mixing pile with the stone crusher Jaw plate move together so as to the mud before the stone crusher Jaw plate into
Row stirring.
The present invention also provides a kind of modernization systems of slurry shield slurry flushing system, comprising:
Slush pump, the plasma discharge pipeline connection of suction inlet and mud flushing system；
Feed pipe for mortar is connected to the row of the slush pump mouthful；
First flush pipe, one end are connected to the feed pipe for mortar, and the other end protrudes into the muddy water storehouse of shield and corresponding cutterhead shape
At the first swash；And
Second flush pipe, one end are connected to the feed pipe for mortar, and the other end protrudes into the muddy water storehouse of shield and corresponding mud door
Form the second swash；
Wherein after the slush pump starting, by the mud of the plasma discharge pipeline of mud flushing system via the feed pipe for mortar, institute
It states the first flush pipe and second flush pipe is delivered at the cutterhead and the mud door to be washed away, thus in institute
It states to form in mud flushing system and washes away interior circulation and improve the mud speed rate in muddy water storehouse.
The modernization system of slurry shield slurry flushing system of the present invention further improvement lies in that, further include being symmetrically set in mud
Passive mixing pile on the panel of sump, the position of passive mixing pile towards the cutterhead protrude out setting, and described passive
The spout facing with the cutterhead is offered on mixing pile, the spout draws slurry pipe by first and connects with first swash
It is logical.
The modernization system of slurry shield slurry flushing system of the present invention further improvement lies in that, further include two second and draw
Slurry pipe, described two second draw slurry pipe be connected to second swash, and described two second draw starch pipe nozzle set
In the two sides of the mud door.
The modernization system of slurry shield slurry flushing system of the present invention further improvement lies in that, further include lead slurry pipe, institute
It states and leads one end of slurry pipe and be connected to the feed pipe for mortar, it is described to lead in the other end and the mud flushing system of starching pipe to air cushion storehouse
The air cushion Cang Jinjiangguanlu connection of mud is conveyed, and the slurry pipe of leading is equipped with the ball valve that slurry pipe on-off is led described in control.
The modernization system of slurry shield slurry flushing system of the present invention further improvement lies in that, further include actively stir
Stake, the active mixing pile is installed on stone crusher on the part of stone crusher Jaw plate, and the active mixing pile is with institute
Stone crusher Jaw plate is stated to be moved together so as to be stirred the mud before the stone crusher Jaw plate.
Detailed description of the invention
Fig. 1 is the system diagram of original mud flushing system in slurry shield.
Fig. 2 is the system diagram of the modernization system of slurry shield slurry flushing system of the present invention.
Fig. 3 is the structural schematic diagram of passive mixing pile in the modernization system of slurry shield slurry flushing system of the present invention.
Fig. 4 is the structural schematic diagram of the modernization system medium stone machine of slurry shield slurry flushing system of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
Referring to Fig.2, the present invention provides the remodeling method of slurry shield slurry flushing system and systems, for solving muddy water
For shield machine to the adaptability problem on stratum, in situ layer is that Extra-fine sand or sand-pebble layer arrive when the secondary use of shield cross-region
Behind silty/siliceous mudstone stratum, because mud washes away that pipeline is weaker to the scouring capability of cutterhead, and cutterhead easily forms mud cake in muddy water storehouse
With the susceptible to plugging problem of mud door.In remodeling method and system of the invention is additionally arranged on original mud flushing system and washes away
Circulation increases a set of active mixing pile at stone crusher Jaw plate position, improves to the swash of cutterhead, is provided with passive stirring
Stake, improves the flow velocity of mud after transformation, to improve the mud pressure in muddy water storehouse, improve mud and wash away cutterhead and mud door
Effect, reduce to a certain extent cutterhead formed mud cake and the susceptible to plugging problem of mud door generation, it is ensured that shield is secondary
Safely and smoothly driving when use.The remodeling method to slurry shield slurry flushing system of the present invention and it is with reference to the accompanying drawing
System is illustrated.
Referring to Fig.2, showing the system diagram of the modernization system of slurry shield slurry flushing system of the present invention.Below with reference to figure
2, the modernization system of slurry shield slurry flushing system of the present invention is illustrated.
As shown in Fig. 2, the modernization system of slurry shield slurry flushing system of the invention includes slush pump 21, feed pipe for mortar
22, the first flush pipe 23 and the second flush pipe 24；Slush pump 21 has suction inlet and Pai Kou, and suction inlet therein is for sucking mud
Slurry, row's mouth are used for pumping mud, and the suction inlet of slush pump 21 is connected to the plasma discharge pipeline 141 of mud flushing system 14, and realization passes through
Slush pump 21 sucks the mud in the plasma discharge pipeline of mud flushing system 14；Feed pipe for mortar 22 is connected to the row of slush pump 21 mouthful,
The mud that slush pump 21 pumps is conveyed by feed pipe for mortar 22；One end of first flush pipe 23 is connected to feed pipe for mortar 22, and the other end is stretched
Enter in the muddy water storehouse 12 of shield and corresponding cutterhead 11 forms the first swash；One end of second flush pipe 24 and feed pipe for mortar 22 connect
Logical, the other end protrudes into the muddy water storehouse 12 of shield and corresponding mud door forms the second swash；Utilize the first flush pipe 23 and
Two flush pipes 25 form two branches of connection feed pipe for mortar 22, wherein feed pipe for mortar 22 is led to cutterhead by the branch of the first flush pipe 23
At 11, for washing away to cutterhead 11, the branch of the second flush pipe 23 leads to feed pipe for mortar 22 at mud door, for mud
Door is washed away.
After wherein slush pump 21 starts, by the mud of the plasma discharge pipeline 141 of mud flushing system 14 via feed pipe for mortar 22, the
One flush pipe 23 and the second flush pipe 24 are delivered at cutterhead 11 and mud door to be washed away, thus in mud flushing system
It is formd in 14 and washes away interior circulation and improve the mud speed rate in muddy water storehouse 12.
It is arranged based on above-mentioned pipeline, modernization system of the invention realizes to wash away in original mud by slush pump 21 is
In mud pumping to muddy water storehouse 12 in the plasma discharge pipeline 141 of system 14, and the spout of mud corresponds to cutterhead 11 and mud door setting,
Effectively cutterhead 11 and mud door can be washed away.
Moreover, the inlet pipe road washed away in interior circulation and original mud flushing system 14 that modernization system of the invention is added
143 be mutually independent construction, it can be achieved that individually operated, can't interfere inlet pipe road 143 in original mud flushing system 14
Use.Interior circulation is washed away by setting, improves the mud speed rate in muddy water storehouse 12, so that mud flow rate is sufficient, mud pressure
Power is sufficient, can effectively wash away cutterhead, avoid forming mud cake on cutterhead, additionally it is possible to effectively wash away mud door, prevent mud heavy
Product blocking mud door.
Preferably, the suction inlet of slush pump 21 is connected on plasma discharge pipeline 141 by connecting plasma discharge pipeline 141 communicating pipe 211
There is slurry pump 142.The position that communicating pipe 211 connect with plasma discharge pipeline 141 is connect relative to slurry pump 142 with plasma discharge pipeline 141
Be located closer to air cushion storehouse 15 namely communicating pipe 211 is connected between slurry pump 142 so that by plasma discharge pipeline 141 be discharged
Mud first pass through communicating pipe 211 before reaching slurry pump 142.
As shown in Figure 1, mud flushing system 14 includes plasma discharge pipeline 141, inlet pipe road 143, slurry pump on slurry shield
142 and into stock pump, one end of plasma discharge pipeline 141 connects slurry pump 142, and the other end of plasma discharge pipeline 141 is connected to air cushion storehouse 15
With muddy water storehouse 12, the mud in air cushion storehouse 15 and muddy water storehouse 12 can be discharged by slurry pump 142；The one end on inlet pipe road 143
Connect into stock pump, the other end is divided into multiple branches connection air cushion storehouses 15 and muddy water storehouse 12, by into stock pump and inlet pipe road 143 to
12 pumping mud of air cushion storehouse 15 and muddy water storehouse, to be washed away to air cushion storehouse 15 and muddy water storehouse 12, wherein mud shown in FIG. 1 rushes
The inlet pipe road 143 of brush system 14 include 5 connection muddy water storehouses 12 into slurry branch and 2 connection air cushion storehouse 15 into slurry branch
Road.To which mud flushing system 14 passes through inlet pipe road 143 for 15 pumping mud of muddy water storehouse 12 and air cushion storehouse, pass through plasma discharge pipeline
141 the mud in muddy water storehouse 12 and air cushion storehouse 15 is discharged, so as to form mud circulation.
As a better embodiment of the invention, as shown in Figures 2 and 3, modernization system of the invention further includes symmetrical
The position of passive mixing pile 25 on the panel 121 in muddy water storehouse 12, passive mixing pile 25 towards the cutterhead 11 protrudes out setting,
And the spout 251 facing with cutterhead 11 is offered on passive mixing pile 25, which draws slurry pipe 26 and first by first
Swash connection.Connection to be drawn there are two first at the first swash starches pipe 26, draws slurry pipe 26 for the first punching by two first
Brush mouth is led at corresponding spout 251, and 11 corresponding position of cutterhead is washed away in realization.
The spout being arranged on panel 121 is increased by the passive mixing pile 25 of setting, so that spout is closer to cutterhead 11,
Improve the scouring effect to cutterhead 11.Preferably, the length of passive mixing pile 25 is 600mm.The diameter of spout 251 is 75mm.
Due to having been provided with the mixing pile of two running tracks on cutterhead 11, position R1900~2000 and R2815~
2935, and also need in addition to add mixing pile, the motion profile of the mixing pile added is R2595~2715；System is transformed in the present invention
The position of above-mentioned mixing pile need to be avoided when two passive mixing piles 25 setting of system setting, area is arranged in this two passive mixing piles 25
Domain is R1560~1900 and R2100~2500, and a passive mixing pile 25 is arranged in two regions.
Passive mixing pile 25 is fixed on panel 121, can play the role of passively stirring to the mud in muddy water storehouse 12.
As another better embodiment of the invention, modernization system of the invention further includes two second and draws slurry pipe 27,
This two second are drawn slurry pipe 27 and are connected to the second swash, and two second nozzles for drawing slurry pipe 27 are set to the two sides of mud door.
Drawn using two second and starch the two sides that the second swash is led to mud door by pipe 27, mud door is washed away, can avoid mud
Door blocking and prevent mud from depositing.
As another better embodiment of the invention, modernization system of the invention further includes leading slurry pipe 28, leads slurry pipe 28
One end be connected to feed pipe for mortar 22, lead slurry pipe 28 the other end and mud flushing system 14 in air cushion storehouse 15 convey mud gas
Cang Jinjiangguanlu connection is padded, and leads slurry pipe 28 and is equipped with the ball valve for controlling its on-off.
By lead slurry pipe 28 by the mud that slush pump 21 pumps lead to air cushion storehouse 15 inlet pipe road, and by lead slurry pipe
Ball valve on 28 controls the channel for leading slurry pipe 28, can be improved the flow of mud in the inlet pipe road in air inlet pad storehouse, so that mud
It is fast to starch flow velocity, improves flushing effect.
As another better embodiment of the invention, modernization system of the invention further includes active mixing pile, in conjunction with Fig. 4
Shown, active mixing pile (not shown) is mounted on stone crusher 13 on the part of stone crusher Jaw plate 131, and is actively stirred
Stake is mixed as stone crusher Jaw plate 131 is moved together so as to being stirred to the mud before stone crusher Jaw plate 131.Stone crusher 13 is pacified
At the mud door 122 in muddy water storehouse 12, for carrying out rubble operation to the mud for entering mud door 122, stone crusher 13 includes
Stone crusher Jaw plate 131, Jaw plate frame 132 and hydraulic cylinder 133, stone crusher Jaw plate 131 therein are mounted on Jaw plate frame 132, Jaw plate
Frame 132 is rotatable structure, and hydraulic cylinder 133 and Jaw plate frame 132 are drivingly connected, and drives 132 turns of Jaw plate frame by hydraulic cylinder 133
It is dynamic, and the stone crusher Jaw plate 131 on Jaw plate frame 132 and Jaw plate frame 132 are hinged, Jaw plate frame 132 can drive stone crusher Jaw plate 131 into
Row rotation, so that two stone crusher Jaw plates 131 can be mobile to direction that is relatively close or being relatively distant from, can be realized to stone or
The splitting of walk, this section or attrition crushing, broken clast flow out after entering mud door 122 with muddy water.
Preferably, active mixing pile is arranged on Jaw plate frame 132, and it is provided close to the position of stone crusher Jaw plate 131, passed through
Active mixing pile can be stirred the stone or walk entered in two stone crusher Jaw plates 131, realize to stone crusher Jaw plate
Accumulated slag before 131 is stirred, and avoids the blocking of stone crusher Jaw plate 131, improves the expulsion efficiency of mud.Again goodly, it actively stirs
The size for mixing stake is 200mm*150mm*100mm, and active mixing pile is steel construction piece.
Modernization system of the present invention has the beneficial effect that
Interior circulation is washed away in setting, can be controlled by opening and closing slush pump, wash away stone crusher, cutterhead, mud as needed
Other positions of door and slurry shield.
The comparison effect of transformation front and back construction tunnel or so line, as shown in table 1:
Delay driving time comparison table in the transformation of table 1 front and back
For the transformation of slurry shield machine under mud rock geology, most important is exactly the transformation of muddy water circulation system, different
Forms of modification influences later period driving very big.The above-mentioned transformation for slurry shield machine under mud rock geology, can effectively solve muddy water
Mud washes away that pipeline is weaker to the scouring capability of cutterhead, and it is one that cutterhead, which easily forms mud cake and the susceptible to plugging problem of mud door, in storehouse
Perfect, the reasonable shield forms of modification of kind.
The remodeling method of slurry shield slurry flushing system provided by the invention is illustrated below.
A kind of remodeling method of slurry shield slurry flushing system provided by the invention, includes the following steps:
As shown in Fig. 2, a slush pump 21 is provided, by the plasma discharge pipeline of the suction inlet of slush pump 21 and mud flushing system 14
141 connections；
Slurry-conveying tube 22 is provided, feed pipe for mortar 22 is connected to the row of slush pump 21 mouthful；
One first flush pipe 23 is provided, one end of the first flush pipe 23 is connected to feed pipe for mortar 22, the other end protrudes into shield
Muddy water storehouse 12 in and corresponding cutterhead 11 form the first swash；
One second flush pipe 24 is provided, one end of the second flush pipe 24 is connect with feed pipe for mortar 22, the other end protrudes into shield
Muddy water storehouse 12 in and corresponding mud door form the second swash；And
In shield tunneling process, by slush pump 21 by the mud of the plasma discharge pipeline 141 of mud flushing system 14 via defeated
Slurry pipe 22, the first flush pipe 23 and the second flush pipe 24 are delivered at cutterhead 11 and mud door to be washed away, thus in mud
It is formd in slurry flushing system 14 and washes away interior circulation and improve the mud speed rate in muddy water storehouse 12.
Remodeling method of the invention is arranged one on the original mud flushing system of slurry shield and washes away interior circulation, will be former
The mud of the plasma discharge pipeline of some mud flushing systems is again fed in muddy water storehouse, improves the flow velocity of mud, to improve
Mud pressure in muddy water storehouse improves the effect that mud washes away cutterhead and mud door, reduces cutterhead to a certain extent and forms mud
The generation of cake and the susceptible to plugging problem of mud door, it is ensured that safely and smoothly driving of the shield in secondary use.
It is arranged based on above-mentioned pipeline, is realized by slush pump 21 by the plasma discharge pipeline of original mud flushing system 14
In mud pumping to muddy water storehouse 12 in 141, and the spout of mud corresponds to cutterhead 11 and mud door setting, can be effectively to cutterhead
11 and mud door washed away.
Moreover, the inlet pipe road 143 washed away in interior circulation and original mud flushing system 14 that the present invention adds is mutual
Independent construction can't interfere the use on inlet pipe road 143 in original mud flushing system 14, it can be achieved that individually operated.It is logical
It crosses setting and washes away interior circulation, improve the mud speed rate in muddy water storehouse 12, so that mud flow rate is sufficient, mud pressure is sufficient, energy
It is enough effectively to wash away cutterhead, it avoids forming mud cake on cutterhead, additionally it is possible to effectively wash away mud door, prevent mud deposition blocking mud
Door.
Preferably, the suction inlet of slush pump 21 is connected on plasma discharge pipeline 141 by connecting plasma discharge pipeline 141 communicating pipe 211
There is slurry pump 142.The position that communicating pipe 211 connect with plasma discharge pipeline 141 is connect relative to slurry pump 142 with plasma discharge pipeline 141
Be located closer to air cushion storehouse 15 namely communicating pipe 211 is connected between slurry pump 142 so that by plasma discharge pipeline 141 be discharged
Mud first pass through communicating pipe 211 before reaching slurry pump 142.
As a better embodiment of the invention, remodeling method of the invention further include:
As shown in Figures 2 and 3, in being symmetrical arranged passive mixing pile 25, passive mixing pile 25 on the panel 121 in muddy water storehouse 12
Setting is protruded out towards the position of cutterhead 11；
In opening up the spout 251 facing with cutterhead 11 on passive mixing pile 25；
It provides first and draws slurry pipe 26, draw slurry pipe 26 by first and be connected to spout 251 with the first swash.
Connection to be drawn there are two first at the first swash starches pipe 26, draws slurry pipe 26 for the first swash by two first
It leads at corresponding spout 251,11 corresponding position of cutterhead is washed away in realization.
The spout being arranged on panel 121 is increased by the passive mixing pile 25 of setting, so that spout is closer to cutterhead 11,
Improve the scouring effect to cutterhead 11.Preferably, the length of passive mixing pile 25 is 600mm.The diameter of spout 251 is 75mm.
Due to having been provided with the mixing pile of two running tracks on cutterhead 11, position R1900~2000 and R2815~
2935, and also need in addition to add mixing pile, the motion profile of the mixing pile added is R2595~2715；System is transformed in the present invention
The position of above-mentioned mixing pile need to be avoided when two passive mixing piles 25 setting of system setting, area is arranged in this two passive mixing piles 25
Domain is R1560~1900 and R2100~2500, and a passive mixing pile 25 is arranged in two regions.
Passive mixing pile 25 is fixed on panel 121, can play the role of passively stirring to the mud in muddy water storehouse 12.
As another better embodiment of the invention, remodeling method of the invention further include:
It provides two second and draws slurry pipe 27, draw slurry pipe 27 for two second and be connected to the second swash；
The nozzle that two second are drawn slurry pipe 27 is set to the two sides of mud door.
Drawn using two second and starch the two sides that the second swash is led to mud door by pipe 27, mud door is washed away, it can
It avoids the blocking of mud door and prevents mud from depositing.
As another better embodiment of the invention, remodeling method of the invention further include:
Slurry pipe 28 is led in offer, and the one end for leading slurry pipe 28 is connected to feed pipe for mortar 22；
The air cushion storehouse inlet pipe of mud will be conveyed in the other end and mud flushing system 14 of leading slurry pipe 28 to air cushion storehouse 15
Road connection, and the ball valve for leading slurry 28 on-off of pipe is controlled in leading to be arranged on slurry pipe 28.
By lead slurry pipe 28 by the mud that slush pump 21 pumps lead to air cushion storehouse 15 inlet pipe road, and by lead slurry pipe
Ball valve on 28 controls the channel for leading slurry pipe 28, can be improved the flow of mud in the inlet pipe road in air inlet pad storehouse, so that mud
It is fast to starch flow velocity, improves flushing effect.
As another better embodiment of the invention, remodeling method of the invention further include:
As shown in figure 4, providing active mixing pile, active mixing pile is installed on stone crusher 13 close to stone crusher Jaw plate
On 131 part, and active mixing pile is enabled to be moved together with stone crusher Jaw plate 131 so as to before to stone crusher Jaw plate 131
Mud is stirred.
Stone crusher 13 is mounted at the mud door 122 in muddy water storehouse 12, for carrying out rubble to the mud for entering mud door 122
Operation, stone crusher 13 include stone crusher Jaw plate 131, Jaw plate frame 132 and hydraulic cylinder 133, and stone crusher Jaw plate 131 therein is mounted on
On Jaw plate frame 132, Jaw plate frame 132 is rotatable structure, and hydraulic cylinder 133 and Jaw plate frame 132 are drivingly connected, and passes through hydraulic cylinder
133 driving Jaw plate framves 132 rotate, and the stone crusher Jaw plate 131 on Jaw plate frame 132 and Jaw plate frame 132 are hinged, and Jaw plate frame 132 can
Stone crusher Jaw plate 131 is driven to be rotated, so that two stone crusher Jaw plates 131 can be moved to direction that is relatively close or being relatively distant from
It is dynamic, it can be realized the splitting to stone or walk, this section or attrition crushing, broken clast and enter after mud door 122 with mud
Water outflow.
Preferably, active mixing pile is arranged on Jaw plate frame 132, and it is provided close to the position of stone crusher Jaw plate 131, passed through
Active mixing pile can be stirred the stone or walk entered in two stone crusher Jaw plates 131, realize to stone crusher Jaw plate
Accumulated slag before 131 is stirred, and avoids the blocking of stone crusher Jaw plate 131, improves the expulsion efficiency of mud.Again goodly, it actively stirs
The size for mixing stake is 200mm*150mm*100mm, and active mixing pile is steel construction piece.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (10)
1. a kind of remodeling method of slurry shield slurry flushing system, which comprises the steps of:
A slush pump is provided, by the plasma discharge pipeline connection of the suction inlet of the slush pump and mud flushing system；
Slurry-conveying tube is provided, the feed pipe for mortar is connected to the row of the slush pump mouthful；
One first flush pipe is provided, one end of first flush pipe is connected to the feed pipe for mortar, the other end protrudes into shield
In muddy water storehouse and corresponding cutterhead forms the first swash；
One second flush pipe is provided, one end of second flush pipe is connect with the feed pipe for mortar, the other end protrudes into shield
In muddy water storehouse and corresponding mud door forms the second swash；And
In shield tunneling process, by the slush pump by the mud of the plasma discharge pipeline of the mud flushing system via described defeated
Slurry pipe, first flush pipe and second flush pipe are delivered at the cutterhead and the mud door to be washed away,
It washes away interior circulation to be formd in the mud flushing system and improves the mud speed rate in muddy water storehouse.
2. the remodeling method of slurry shield slurry flushing system as described in claim 1, which is characterized in that further include:
In being symmetrical arranged passive mixing pile on the panel in muddy water storehouse, the position of passive mixing pile towards the cutterhead, which protrudes out, to be set
It sets；
In opening up the spout facing with the cutterhead on the passive mixing pile；
It provides first and draws slurry pipe, draw slurry pipe by described first and be connected to the spout with first swash.
3. the remodeling method of slurry shield slurry flushing system as described in claim 1, which is characterized in that further include:
It provides two second and draws slurry pipe, draw slurry pipe for described two second and be connected to second swash；
The nozzle that described two second are drawn slurry pipe is set to the two sides of the mud door.
4. the remodeling method of slurry shield slurry flushing system as described in claim 1, which is characterized in that further include:
Slurry pipe is led in offer, and described one end for leading slurry pipe is connected to the feed pipe for mortar；
The air cushion Cang Jinjiangguanlu of mud will be conveyed in the other end and the mud flushing system for leading slurry pipe to air cushion storehouse
Connection, and the ball valve for starching pipe on-off is led on slurry pipe described in setting control in described lead.
5. the remodeling method of slurry shield slurry flushing system as described in claim 1, which is characterized in that further include:
Active mixing pile is provided, the active mixing pile is installed on stone crusher on the part of stone crusher Jaw plate, and is enabled
The active mixing pile is moved together with the stone crusher Jaw plate so as to stirring the mud before the stone crusher Jaw plate
It mixes.
6. a kind of modernization system of slurry shield slurry flushing system characterized by comprising
Slush pump, the plasma discharge pipeline connection of suction inlet and mud flushing system；
Feed pipe for mortar is connected to the row of the slush pump mouthful；
First flush pipe, one end are connected to the feed pipe for mortar, and the other end protrudes into the muddy water storehouse of shield and corresponding cutterhead forms the
One swash；And
Second flush pipe, one end are connected to the feed pipe for mortar, and the other end protrudes into the muddy water storehouse of shield and corresponding mud door is formed
Second swash；
Wherein after slush pump starting, by the mud of the plasma discharge pipeline of mud flushing system via the feed pipe for mortar, described the
One flush pipe and second flush pipe are delivered at the cutterhead and the mud door to be washed away, thus in the mud
It is formd in slurry flushing system and washes away interior circulation and improve the mud speed rate in muddy water storehouse.
7. the modernization system of slurry shield slurry flushing system as claimed in claim 6, which is characterized in that further include symmetrically setting
Setting is protruded out in the position of the passive mixing pile on the panel in muddy water storehouse, passive mixing pile towards the cutterhead, and described
The spout facing with the cutterhead is offered on passive mixing pile, the spout draws slurry pipe by first and washes away with described first
Mouth connection.
8. the modernization system of slurry shield slurry flushing system as claimed in claim 6, which is characterized in that further include two
Two draw slurry pipe, and described two second are drawn slurry pipe and are connected to second swash, and described two second draw the pipe of slurry pipe
Mouth is set to the two sides of the mud door.
9. the modernization system of slurry shield slurry flushing system as claimed in claim 6, which is characterized in that further include leading slurry
Pipe, described one end for leading slurry pipe be connected tos with the feed pipe for mortar, it is described lead in the other end and the mud flushing system of starching pipe to
Air cushion storehouse conveys the air cushion Cang Jinjiangguanlu connection of mud, and the slurry pipe of leading is equipped with the ball that slurry pipe on-off is led described in control
Valve.
10. the modernization system of slurry shield slurry flushing system as claimed in claim 6, which is characterized in that further include actively
Mixing pile, the active mixing pile be installed on stone crusher close to stone crusher Jaw plate part on, and the active mixing pile with
The stone crusher Jaw plate moved together so as to be stirred to the mud before the stone crusher Jaw plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811200731.5A CN109403990B (en) | 2018-10-16 | 2018-10-16 | Method and system for improving slurry shield slurry scouring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811200731.5A CN109403990B (en) | 2018-10-16 | 2018-10-16 | Method and system for improving slurry shield slurry scouring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109403990A true CN109403990A (en) | 2019-03-01 |
| CN109403990B CN109403990B (en) | 2021-01-22 |
Family
ID=65467182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811200731.5A Active CN109403990B (en) | 2018-10-16 | 2018-10-16 | Method and system for improving slurry shield slurry scouring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109403990B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049655A (en) * | 2020-10-14 | 2020-12-08 | 中铁工程装备集团有限公司 | Flushing device for normal-pressure cutter head, slurry shield machine and flushing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0444073B2 (en) * | 1984-12-25 | 1992-07-20 | Iseki Kaihatsu Koki | |
| CN205833235U (en) * | 2016-07-25 | 2016-12-28 | 中铁十六局集团有限公司 | External shield lithotrite agitating device |
| CN107091098A (en) * | 2017-06-30 | 2017-08-25 | 中铁局集团有限公司 | A kind of driving method of Suporting structure in high viscosity mud stone |
| CN206972242U (en) * | 2017-05-27 | 2018-02-06 | 中铁工程装备集团有限公司 | A kind of slurry shield high pressure washes away topping machanism |
| CN207212341U (en) * | 2017-06-30 | 2018-04-10 | 中铁一局集团有限公司 | Suporting structure driving uses cutterhead flushing system in a kind of high viscosity mud stone |
| CN108194089A (en) * | 2017-12-21 | 2018-06-22 | 中铁十六局集团北京轨道交通工程建设有限公司 | A kind of slurry shield slurry loop circulation system |
-
2018
- 2018-10-16 CN CN201811200731.5A patent/CN109403990B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0444073B2 (en) * | 1984-12-25 | 1992-07-20 | Iseki Kaihatsu Koki | |
| CN205833235U (en) * | 2016-07-25 | 2016-12-28 | 中铁十六局集团有限公司 | External shield lithotrite agitating device |
| CN206972242U (en) * | 2017-05-27 | 2018-02-06 | 中铁工程装备集团有限公司 | A kind of slurry shield high pressure washes away topping machanism |
| CN107091098A (en) * | 2017-06-30 | 2017-08-25 | 中铁局集团有限公司 | A kind of driving method of Suporting structure in high viscosity mud stone |
| CN207212341U (en) * | 2017-06-30 | 2018-04-10 | 中铁一局集团有限公司 | Suporting structure driving uses cutterhead flushing system in a kind of high viscosity mud stone |
| CN108194089A (en) * | 2017-12-21 | 2018-06-22 | 中铁十六局集团北京轨道交通工程建设有限公司 | A kind of slurry shield slurry loop circulation system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049655A (en) * | 2020-10-14 | 2020-12-08 | 中铁工程装备集团有限公司 | Flushing device for normal-pressure cutter head, slurry shield machine and flushing method |
| CN112049655B (en) * | 2020-10-14 | 2022-03-25 | 中铁工程装备集团有限公司 | Flushing device for normal-pressure cutter head, slurry shield machine and flushing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109403990B (en) | 2021-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104879133B (en) | Double-mode shield tunneling machine | |
| CN201739772U (en) | Slush shield slurry conveying system enhanced slush cabin and air cushion cabin circulation flow device | |
| CN209339946U (en) | Shield machine muddy water circulation system | |
| CN204646242U (en) | Double mode shield machine | |
| CN109281685A (en) | A kind of decompression type shield machine step by step | |
| WO2019105162A1 (en) | Microbial modification filling-based coal mining method | |
| CN107143342A (en) | A kind of sediment improvement system of multi-cutter-disk development machine | |
| CN109403990A (en) | The remodeling method and system of slurry shield slurry flushing system | |
| CN203145957U (en) | Mining concrete wet-type injecting equipment | |
| CN103061787A (en) | Mining wet type concrete spraying device | |
| CN107859520A (en) | A kind of slurry shield passes through the driving method in anchor cable area over long distances | |
| CN104265327B (en) | Long-distance wet type concrete spraying method | |
| CN201431939Y (en) | Pumping wet spraying machine | |
| CN105715479A (en) | Pipe type distribution valve concrete pump | |
| CN112343636B (en) | Mine tunnel construction is with strutting arrangement | |
| CN110886335A (en) | Block rock digging and rock entering construction trenching machine | |
| CN201520976U (en) | Auto-traveling multifunctional wet spraying machine | |
| CN216305920U (en) | Slurry shield circulation system with double crushers and double slurry discharge channels | |
| CN105421785A (en) | Rotor type self-agitating concrete pump truck | |
| CN212563238U (en) | Slurry balance push bench and slurry circulation system thereof | |
| CN206917664U (en) | A kind of sediment improvement system of multi-cutter-disk development machine | |
| CN109488235B (en) | Well-flushing slag discharging system matched with sinking method vertical shaft heading machine | |
| CN113846822A (en) | Based on construction net spouts floating device of wall | |
| CN208934623U (en) | Drilling machine high pressure flushing cinder mechanism | |
| CN205401028U (en) | Cast distribution valve concrete pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |