CN103195431B - Slag tapping system and method for full face tunnel boring machine of deep vertical shaft - Google Patents
Slag tapping system and method for full face tunnel boring machine of deep vertical shaft Download PDFInfo
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- CN103195431B CN103195431B CN201310110085.4A CN201310110085A CN103195431B CN 103195431 B CN103195431 B CN 103195431B CN 201310110085 A CN201310110085 A CN 201310110085A CN 103195431 B CN103195431 B CN 103195431B
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Abstract
The invention provides a slag tapping system and method for a full face tunnel boring machine of a deep vertical shaft. The slag tapping system comprises a slurry discharge system, a slurry separation station, a slurry feed system and a muck improving pumping system, wherein the slurry discharge system is composed of a slurry discharge pump and a slurry discharge pipe; a lower opening of the slurry discharge pipe stretches into a muddy water cabin at the bottom of a cutter, an upper opening of the slurry discharge pipe is connected with an upper inlet of the slurry separation station; two outlets are arranged on the lower portion of the slurry separation station, one outlet is connected with the slurry feed system, and the other outlet is connected with the muck improving pumping system; the slurry feed system is composed of a slurry feed pump and a slurry feed pipe which is connected with the muddy water cabin; and the muck improving pumping system comprises a muck crushing, improving and stirring device, a muck conveying pump and a slag discharge pipe which are sequentially connected, one end of the muck crushing, improving and stirring device is connected with a slag outlet of the slurry separation station, and the outlet end of the slag discharge pipe leads to the outside of the vertical shaft. Devices of the system are not affected by the depth of the vertical shaft, continuous tapping can be guaranteed, the discharge efficiency of muck is greatly improved, and therefore the deep vertical shaft building speed is accelerated.
Description
Technical field
The present invention relates to dark vertical Construction Technology field, especially, relate to a kind of slag-tapping system for dark vertical full face tunnel boring machine and method.
Background technology
Along with the regional coal minings such as China Shaanxi, Shanxi, Inner Mongol, Xinjiang develop to deep, New Built Mine employing shaft development more than half.At present, for different geological conditions, existing shaft construction engineering method has boring method, slip casting method, drop shaft sinking, freezing process, blasting procedure etc., but efficiency of construction is general slower.Further, along with the increase gradually of the dark vertical degree of depth, the discharge efficiency of dregs will be the key factor of this dark vertical full face tunnel boring machine speed of shaft sinking of restriction.
What slag tap at boring method mud is crossover-circulating type method of calming the anger, and all the other each methods are all slag tap with cage.Slag discharge efficiency is all slow.
Summary of the invention
The object of the invention is to provide a kind of slag-tapping system for dark vertical full face tunnel boring machine and method, to solve the technical problem of the increase discharge dregs efficiency reduction with the vertical degree of depth.
For achieving the above object, the invention provides a kind of slag-tapping system for dark vertical full face tunnel boring machine, comprise plasma discharge system, mud separating station, enter slurry system and sediment improvement pumping system;
Described plasma discharge system comprises slurry pump and discharge pipe, the end opening of discharge pipe stretches in the muddy water cabin bottom cutterhead, and the suitable for reading of discharge pipe is connected with the upper entrance of mud separating station, and slurry pump produces suction force, by the mud in discharge pipe convenient suction muddy water cabin, and transfer to mud separating station;
The bottom of described mud separating station is provided with two outlets, outlet with enter slurry system and be connected, to carry slurries, another outlet is connected with sediment improvement pumping system, to carry dregs to sediment improvement pumping system;
Described enter slurry system comprise into stock pump and inlet pipe, inlet pipe is connected with muddy water cabin, by be separated after slurries be back to muddy water cabin;
Sediment improvement pumping system comprises the dregs fragmentation improvement mixing plant, dregs delivery pump and the scum pipe that connect successively; One end of dregs fragmentation improvement mixing plant is connected with the slag notch of mud separating station, to receive the dregs that mud separating station is separated; The port of export of scum pipe leads to outside vertical.
Preferably, above-mentioned slag-tapping system also comprises tube replacement system, and described tube replacement system comprises scum pipe for subsequent use, scum pipe travelling jack, scum pipe swivel joint;
Described scum pipe swivel joint one end and scum pipe for subsequent use adapt, and the two ends length of hanging down between shadow of the orbit of scum pipe travelling jack covers scum pipe deposit position for subsequent use and scum pipe swivel joint.
Preferably, the described tube replacement system of above-mentioned slag-tapping system also comprises winch mechanism; Described winch mechanism slings scum pipe to balance scum pipe deadweight.
Preferably, the described tube replacement system of above-mentioned slag-tapping system also comprises sliding dreg tube, and described sliding dreg tube extends the port of export of scum pipe to ground.
Utilize the slag tapping method for dark vertical full face tunnel boring machine realized according to above-mentioned slag-tapping system, comprise step:
Dregs under A, knife cutting, after slurries mixing, delivers to mud separating station with the form of mud by plasma discharge systems pumps;
B, mud separating station are separated into slurries and dregs mud, and the slurries after separation deliver to muddy water cabin through entering to starch systems pumps; The dregs fragmentation improvement mixing plant in sediment improvement pumping system delivered to by dregs after separation;
C, dregs fragmentation improvement mixing plant drains into ground through dregs delivery pump, scum pipe after dregs fragmentation improvement being stirred.
Preferably, above-mentioned slag tapping method also comprises step:
D, scum pipe swivel joint and scum pipe are opened, and winch mechanism slings scum pipe swivel joint to certain altitude;
E, scum pipe travelling jack take out scum pipe for subsequent use, are arranged between scum pipe and scum pipe swivel joint.
The present invention has following beneficial effect:
Dregs discharge efficiency is high: by plasma discharge system, the slag-tapping system entering slurry system, mud separating station, sediment improvement pumping system and tube replacement system composition, can not by the impact of the vertical degree of depth, ensure to slag tap continuously, dregs discharge efficiency is greatly improved, thus accelerates the speed of shaft sinking of dark vertical.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the slag-tapping system structural representation of the preferred embodiment of the present invention;
Wherein, 1, cutterhead; 2, plasma discharge system; 3, slurry system is entered; 4, sediment improvement pumping system; 5, mud separating station; 6, tube replacement system; 201, discharge pipe; 202, slurry pump; 301, inlet pipe; 302, stock pump is entered; 401, dregs fragmentation improvement mixing plant; 402, dregs delivery pump; 403, scum pipe; 601, scum pipe for subsequent use; 602, scum pipe travelling jack; 603, scum pipe swivel joint; 604, winch mechanism; 605, sliding dreg tube.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can limit according to claim and cover is implemented.
See Fig. 1, the invention discloses a kind of slag-tapping system for dark vertical full face tunnel boring machine, comprise plasma discharge system 2, mud separating station 5, enter slurry system 3 and sediment improvement pumping system 4;
Described plasma discharge system 2 is made up of slurry pump 202 and discharge pipe 201; The end opening of discharge pipe 201 gos deep in the muddy water cabin to cutterhead 1, and discharge pipe 201 is suitable for reading to be connected with mud separating station 5 upper entrance.Slurry pump 202 produces suction force, by the mud in discharge pipe 201 convenient suction muddy water cabin, and transfers to mud separating station 5.
Mud is separated into slurries and dregs by described mud separating station 5, and bottom is provided with two outlets, outlet with enter slurry system 3 and be connected, to carry slurries; Another outlet is connected with sediment improvement pumping system 4, to carry dregs to sediment improvement pumping system 4.
Described enter slurry system 3 by entering stock pump 302 and inlet pipe 301 forms, inlet pipe 301 is connected with muddy water cabin, and the slurries after being separated are back to muddy water cabin, maintains geology balance.
Sediment improvement pumping system 4 comprises the dregs fragmentation improvement mixing plant 401, dregs delivery pump 402 and the scum pipe 403 that connect successively, and dregs fragmentation improvement mixing plant 401 is positioned at the top of dregs delivery pump 402, and both are connected by flange.Dregs delivery pump 402 is exported and is connected by flange with scum pipe 403.Dregs fragmentation improvement mixing plant 401 one end is connected with mud separating station 5 slag notch, to receive the dregs that mud separating station is separated, is then expelled to outside vertical by dregs by the port of export of scum pipe 403.
Above-mentioned slag-tapping system can also comprise tube replacement system 6, and described tube replacement system 6 is positioned at vertical shaft head place, is connected with scum pipe 403; Comprise scum pipe 601 for subsequent use, scum pipe travelling jack 602 and scum pipe swivel joint 603; Described scum pipe swivel joint 603 one end and scum pipe for subsequent use 601 adapt, and the two ends length of hanging down between shadow of the orbit of scum pipe travelling jack 602 covers scum pipe 601 deposit position for subsequent use and scum pipe swivel joint 603; So that scum pipe travelling jack 602 can by scum pipe 601 for subsequent use handling to the position of scum pipe swivel joint 603.
Scum pipe structure swivel joint 603 can be made up of outer ring (standing part), inner ring (rotating part) and the sealing be placed between inside and outside circle and bearing.There is adpting flange inside and outside circle end respectively, can be connected with pipeline flange.Also Flange joint can be passed through between swivel joint and scum pipe, sliding dreg tube.
Above-mentioned slag-tapping system can also comprise winch mechanism 604, for scum pipe of slinging to balance scum pipe deadweight.
Above-mentioned slag-tapping system can also comprise sliding dreg tube 605, and described sliding dreg tube 605 extends the port of export of scum pipe to ground, guarantees to reduce the pollution to environment by the seal that dregs discharges.
As shown in the figure, dregs under cutterhead 1 cuts with the form of mud, is pumped to mud separating station 5 by plasma discharge system 2, by separating station, mud is separated into slurries and dregs after slurries mixing, slurries after separation are pumped to excavation face through entering slurry system 3, again participate in the circulation taking slag discharge.Dregs after separation, after dregs fragmentation improvement mixing plant 401 fragmentation improvement stirs, drains into ground through dregs delivery pump 402, scum pipe 403, scum pipe swivel joint 603, sliding dreg tube 605, safely, efficiently completes dregs discharge.
For a slag tapping method for dark vertical full face tunnel boring machine, comprise step:
Dregs under A, cutterhead 1 cut, after slurries mixing, is pumped to mud separating station 5 with the form of mud by plasma discharge system 2;
B, mud separating station 5 are separated into slurries and dregs mud, and the slurries after separation are pumped to muddy water cabin through entering slurry system 3; The dregs fragmentation improvement mixing plant 401 in sediment improvement pumping system 4 delivered to by dregs after separation;
C, dregs fragmentation improvement mixing plant 401 drains into ground through dregs delivery pump 402, scum pipe 403 after dregs fragmentation improvement being stirred.
Said method can also comprise step:
D, scum pipe swivel joint 603 and scum pipe 403 are opened, and winch mechanism 604 is sling scum pipe swivel joint 603 to certain altitude;
E, scum pipe travelling jack 602 take out scum pipe 601 for subsequent use, are arranged between scum pipe 403 and scum pipe swivel joint 603, thus complete the extension of scum pipe 403 fast.
Along with the downward driving of vertical shaft lining machine, need the length constantly increasing scum pipe so that dregs is disposed to ground.Such as, when scum pipe length is 6m, then often down dig 6m, just need growth scum pipe, by that analogy.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. for a slag-tapping system for dark vertical full face tunnel boring machine, it is characterized in that, comprise plasma discharge system, mud separating station, enter slurry system and sediment improvement pumping system;
Described plasma discharge system comprises slurry pump and discharge pipe, the end opening of discharge pipe stretches in the muddy water cabin bottom cutterhead, and the suitable for reading of discharge pipe is connected with the upper entrance of mud separating station, and slurry pump produces suction force, by the mud in discharge pipe convenient suction muddy water cabin, and transfer to mud separating station;
The bottom of described mud separating station is provided with two outlets, outlet with enter slurry system and be connected, to carry slurries, another outlet is connected with sediment improvement pumping system, to carry dregs to sediment improvement pumping system;
Described enter slurry system comprise into stock pump and inlet pipe, inlet pipe is connected with muddy water cabin, by be separated after slurries be back to muddy water cabin;
Sediment improvement pumping system comprises the dregs fragmentation improvement mixing plant, dregs delivery pump and the scum pipe that connect successively; One end of dregs fragmentation improvement mixing plant is connected with the slag notch of mud separating station, to receive the dregs that mud separating station is separated; The port of export of scum pipe leads to outside vertical.
2. a kind of slag-tapping system for dark vertical full face tunnel boring machine according to claim 1, it is characterized in that, also comprise tube replacement system, described tube replacement system comprises scum pipe for subsequent use, scum pipe travelling jack, scum pipe swivel joint;
Described scum pipe swivel joint one end and scum pipe for subsequent use adapt, and the two ends length of hanging down between shadow of the orbit of scum pipe travelling jack covers scum pipe deposit position for subsequent use and scum pipe swivel joint.
3. a kind of slag-tapping system for dark vertical full face tunnel boring machine according to claim 2, it is characterized in that, described tube replacement system also comprises winch mechanism; Described winch mechanism slings scum pipe to balance scum pipe deadweight.
4. a kind of slag-tapping system for dark vertical full face tunnel boring machine according to claim 2, it is characterized in that, described tube replacement system also comprises sliding dreg tube, and described sliding dreg tube extends the port of export of scum pipe to ground.
5. the slag tapping method for dark vertical full face tunnel boring machine utilizing slag-tapping system according to any one of claim 1 to 4 to realize, is characterized in that, comprise step:
Dregs under A, knife cutting, after slurries mixing, delivers to mud separating station with the form of mud by plasma discharge systems pumps;
B, mud separating station are separated into slurries and dregs mud, and the slurries after separation deliver to muddy water cabin through entering to starch systems pumps; The dregs fragmentation improvement mixing plant in sediment improvement pumping system delivered to by dregs after separation;
C, dregs fragmentation improvement mixing plant drains into ground through dregs delivery pump, scum pipe after dregs fragmentation improvement being stirred.
6. a kind of slag tapping method for dark vertical full face tunnel boring machine according to claim 5, is characterized in that, also comprise step:
D, scum pipe swivel joint and scum pipe are opened, and winch mechanism slings scum pipe swivel joint to certain altitude;
E, scum pipe travelling jack take out scum pipe for subsequent use, are arranged between scum pipe and scum pipe swivel joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310110085.4A CN103195431B (en) | 2013-03-29 | 2013-03-29 | Slag tapping system and method for full face tunnel boring machine of deep vertical shaft |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310110085.4A CN103195431B (en) | 2013-03-29 | 2013-03-29 | Slag tapping system and method for full face tunnel boring machine of deep vertical shaft |
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| CN103195431A CN103195431A (en) | 2013-07-10 |
| CN103195431B true CN103195431B (en) | 2015-05-06 |
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| CN103452566B (en) * | 2013-09-16 | 2016-06-29 | 中铁工程装备集团有限公司 | Vertical shaft TBM device |
| CN105156112B (en) * | 2015-09-25 | 2017-08-04 | 中铁工程装备集团有限公司 | A kind of vertical shaft is with U-shaped continuous slag-tapping device |
| CN107461197B (en) * | 2017-09-30 | 2023-04-25 | 中铁工程装备集团有限公司 | Shaft heading machine adopting open caisson method and construction method of shaft heading machine |
| CN108286430B (en) * | 2018-01-25 | 2019-08-06 | 山东大学 | A kind of accurate numerical control automatic excavating device for model test shaft excavation |
| CN109488325B (en) * | 2018-10-31 | 2021-04-23 | 中建隧道建设有限公司 | Method and system for extruding type conveying muck through earth pressure balance shield pipeline |
| CN110206546B (en) * | 2019-07-12 | 2021-08-10 | 中国铁建重工集团股份有限公司 | Shaft cutter head, shaft heading machine and shaft drilling machine |
| CN110644999B (en) * | 2019-11-25 | 2020-03-20 | 中国铁建重工集团股份有限公司 | Large-section vertical shaft heading machine and construction method thereof |
| CN110905521B (en) * | 2019-12-05 | 2021-08-31 | 中国铁建重工集团股份有限公司 | Slurry scouring circulation slag discharging system for vertical shaft tunneling machine |
| CN112344094B (en) * | 2020-09-23 | 2022-04-19 | 辽宁三三工业有限公司 | Vertical pipeline splicing device and method thereof |
| CN113086515B (en) * | 2021-03-31 | 2022-04-15 | 中铁工程装备集团有限公司 | Rotary slag discharging device and method for vertical shaft tunneling machine |
| CN113374490A (en) * | 2021-07-06 | 2021-09-10 | 中国水利水电第五工程局有限公司 | Slurry-water balance type pipe jacking system, construction method and deviation rectification control system |
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Patent Citations (6)
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| JP2000087680A (en) * | 1998-09-16 | 2000-03-28 | Ishikawajima Harima Heavy Ind Co Ltd | Material/equipment carrying system in shaft |
| JP2003106084A (en) * | 2001-10-01 | 2003-04-09 | Mitsui Constr Co Ltd | Method for exchanging kibbles in shaft excavation |
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