CN113503162A - Slag discharging system on full-face shaft heading machine - Google Patents
Slag discharging system on full-face shaft heading machine Download PDFInfo
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- CN113503162A CN113503162A CN202110872897.7A CN202110872897A CN113503162A CN 113503162 A CN113503162 A CN 113503162A CN 202110872897 A CN202110872897 A CN 202110872897A CN 113503162 A CN113503162 A CN 113503162A
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- 239000002893 slag Substances 0.000 title claims abstract description 140
- 238000007599 discharging Methods 0.000 title claims abstract description 36
- 239000002002 slurry Substances 0.000 claims abstract description 102
- 239000007788 liquid Substances 0.000 claims abstract description 87
- 238000003860 storage Methods 0.000 claims abstract description 45
- 239000011435 rock Substances 0.000 claims abstract description 40
- 238000000926 separation method Methods 0.000 claims abstract description 24
- 239000007787 solid Substances 0.000 claims abstract description 24
- 238000010079 rubber tapping Methods 0.000 claims description 19
- 230000005484 gravity Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 13
- 239000013049 sediment Substances 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000005641 tunneling Effects 0.000 abstract description 16
- 239000004744 fabric Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000003818 cinder Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
- E21D1/06—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with shaft-boring cutters
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The utility model provides a slag discharging system on full-face shaft entry driving machine, including being equipped with the blade disc of inhaling slag notch and jet orifice, and set up the multilayer bushing type center pillar at the blade disc center, the multilayer bushing type center pillar is including the intercommunication inhale the slag pipe and the cover of inhaling of slag notch establish inhale the slag pipe of slag pipe outside with the jet orifice intercommunication, still include relay platform, be equipped with the solid-liquid separation equipment that the intercommunication was inhaled the slag pipe on the relay platform, it is equipped with the slush pump on the slag pipe to inhale, solid-liquid separation equipment is equipped with solid storage silo and liquid storage silo, go up slag discharging system still including the well-bucket, and communicate the fluid-discharge tube that liquid storage silo is used for stretching out the shaft, it is equipped with the hoist engine to connect the well-bucket, be equipped with the thick liquid pump on the fluid-discharge tube. According to the invention, the relay platform with the solid-liquid separation device is arranged, so that the slag slurry at the tunneling section is sucked into the relay platform to separate the rock slag and the slurry when the cutter head of the tunneling machine breaks rocks, and then the rock slag and the slurry are respectively discharged, so that the slag discharge capacity of the slag discharge system can be obviously improved.
Description
Technical Field
The invention relates to the technical field of shaft construction, in particular to an upper slag discharging system of a full-face shaft heading machine.
Background
The vertical shaft is a main channel for underground mineral deposit exploitation, long and large tunnel ventilation and other underground engineering. In the construction process of the vertical shaft, rock slag is continuously generated at the tunneling section when a cutter head of the tunneling machine breaks rock, and one difficulty in the construction of the vertical shaft is how to discharge slag vertically and efficiently.
At present, when the existing shaft heading machine is used for deslagging, mechanical discontinuous deslagging such as hopper type or fluid suction type deslagging is generally adopted, the deslagging efficiency of the mechanical discontinuous deslagging is low, the suction type deslagging mostly adopts the mode of directly discharging slag slurry out of a shaft together, for the deep shaft more than 50 meters, especially for the ultra-deep shaft more than 100 meters, the space in the shaft is limited, if the slurry is directly discharged together, the motor power and the suction pressure and power of the slurry pump are required to be extremely high, correspondingly, the occupied space of the motor, the pump body, the pipeline and the like is relatively large, the limit of the space enables the slag discharging capacity of the existing slag discharging system to be limited, the slag discharging distance is increased along with the continuous tunneling, the slag production speed is basically unchanged, so that the slag discharge capacity cannot be matched with the tunneling capacity of the vertical shaft tunneling machine, and the tunneling efficiency of the vertical shaft tunneling machine is further influenced.
Disclosure of Invention
The invention aims to provide an upper slag discharging system of a full-face shaft boring machine, which is characterized in that a relay platform with a solid-liquid separation device is arranged, slag slurry at the boring face is sucked into the relay platform to separate rock slag and slurry when a cutter head of the boring machine breaks rocks, the rock slag and the slurry are respectively discharged, and the slag discharging capacity of the upper slag discharging system can be obviously improved.
The technical scheme adopted by the invention to achieve the technical purpose is as follows:
a slag discharging system on a full-section shaft boring machine comprises a cutter head provided with a slag suction port and a jet orifice, and a multilayer sleeve type center column arranged at the center of the cutter head, wherein the multilayer sleeve type center column comprises a slag suction pipe communicated with the slag suction port, a jet pipe sleeved outside the slag suction pipe and communicated with the jet orifice for providing flushing liquid to the jet orifice, and a relay platform fixed on the cutter head and deviating from the end part of the cutter head, wherein a solid-liquid separation device communicated with the slag suction pipe and used for collecting and separating rock slag and slurry in slag slurry is arranged on the relay platform;
the upper slag discharging system also comprises a conveying mechanism used for conveying the rock slag separated by the solid-liquid separation device to the outside of the vertical shaft and a liquid discharge pipe used for conveying the slurry separated by the solid-liquid separation device to the outside of the vertical shaft.
Further, solid-liquid separation equipment includes hollow casing, the slope in the casing be equipped with the screen cloth of casing cross section looks adaptation, correspond the lower one end department of screen cloth on the casing and be equipped with unsettled slag pipe of arranging in the solid storage silo top, the below department that lies in the screen cloth on the casing is equipped with and inhales the feed liquor pipe of sediment pipe intercommunication, the below department that lies in the screen cloth on the casing is equipped with unsettled play thick liquid pipe of arranging in the liquid storage silo top.
Further, the mesh diameter of the screen is 150 mm.
Further, the screen is a vibrating screen.
Further, the solid storage bin is fixed on the relay platform, a gravity sensor for detecting the weight of the solid storage bin is arranged at the bottom of the solid storage bin, and a liquid level meter for detecting the height of the slurry in the liquid storage bin is arranged on the liquid storage bin.
Further, the blade disc is the toper form, inhale the tip that the cinder notch equipartition is used for the tunnelling at the blade disc, the efflux mouth equipartition is at the afterbody of blade disc.
Furthermore, a density detection sensor for detecting the density of the slurry at the section of the vertical shaft during the tunneling of the cutter head is arranged in the slag suction port.
Further, still be equipped with the control room on the blade disc, the control room with equal electric connection of gravity sensor, level gauge, density detection sensor, hoist engine, slush pump and thick liquid pump for gather gravity sensor, level gauge and density detection sensor's data and control the opening and stopping of hoist engine, slush pump and thick liquid pump.
Furthermore, an auxiliary liquid storage bin and an auxiliary slurry pump for increasing the conveying pressure are further arranged on the liquid discharge pipe.
Further, the conveying mechanism comprises a bucket for containing rock slag and a winch which is connected with the bucket and arranged outside the vertical shaft and used for driving the bucket to move up and down in the vertical shaft.
The invention has the beneficial effects that:
1. the deslagging system is provided with the relay platform, the solid-liquid separation device is arranged on the relay platform, the slag and the slurry are separated into rock slag and slurry through the solid-liquid separation device, the rock slag and the slurry are respectively discharged out of the vertical shaft, compared with the existing deslagging mode that solid and liquid are integrated and the slag and the slurry are directly discharged out of the vertical shaft, the gravity of the slag and the slurry required to be overcome by a slurry pump is greatly reduced, for a deep vertical shaft, particularly an ultra-deep vertical shaft, the slurry can be more easily pumped to the ground by the pump, the deslagging capability of the deslagging system is increased, the phenomena that the rock slag with large-diameter particles blocks and scratches a pipeline in the pipeline are avoided, for the deep vertical shaft, particularly the ultra-deep vertical shaft, the stability of the deslagging system can be effectively ensured, and the deslagging capability of the deslagging system is completely matched with the tunneling capability of the tunneling machine.
2. The upper slag discharging system separates rock slag from slurry to discharge slag independently, so that the power of a required motor and the pumping pressure of a slurry pump are reduced, the occupied space and the layout cost of the motor, a pump body, pipelines and the like are greatly reduced for a deep vertical shaft, particularly an ultra-deep vertical shaft, the continuous conveying length of the slurry in the pipelines is invisibly shortened, the phenomenon of vacuum suction of the slurry pump is greatly reduced, and the stability of slurry discharging is ensured.
3. According to the upper slag discharging system, the density detection sensor is arranged at the slag suction port, the water supply amount can be intelligently adjusted through the density detection sensor, the slurry can be effectively ensured to be in a good extractable state all the time, the slurry is prevented from blocking a pump or a pipeline due to too thick slurry, and the vacuumizing phenomenon caused by insufficient water adding is also avoided.
4. According to the invention, the gravity sensor is arranged at the solid storage bin, the liquid level meter is arranged in the liquid storage bin, the intelligent control of the upper slag discharging system of the heading machine is realized through the control room, the slag discharging capacity of the upper slag discharging system is improved, the states of all equipment can be adjusted in real time according to the heading depth for a deep vertical shaft, particularly an ultra-deep vertical shaft, the slag discharging efficiency is improved, and the slag discharging capacity of the upper slag discharging system is matched with the heading capacity.
Description of the drawings:
FIG. 1 is a schematic view showing the general structure of an upper tapping system according to the present invention;
FIG. 2 is a schematic view of a partial structure of the upper tapping system according to the present invention;
FIG. 3 is a schematic structural diagram of a solid-liquid separation device in the upper slag discharge system of the present invention;
FIG. 4 is a schematic structural diagram of a cutter head in the upper tapping system of the present invention.
The labels in the figure are: 1. the device comprises a winch, 2, a bucket, 3, a solid storage bin, 4, a gravity sensor, 5, a solid-liquid separation device, 501, a liquid inlet pipe, 502, a screen, 503, a slurry outlet pipe, 504, a slag outlet pipe, 505, a shell, 6, a control chamber, 7, a jet pipe, 8, a slag suction pipe, 9, a cutter disc, 10, a density detection sensor, 11, a slag suction port, 12, a jet port, 13, a slurry pump, 14, a relay platform, 15, a liquid storage bin, 1501, a liquid level meter, 16, a slurry pump, 17, an auxiliary liquid storage bin, 18, an auxiliary slurry pump, 19, a liquid discharge pipe, 20 and a slurry tank.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein in the description of the invention it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
as shown in fig. 1 to 4, the slag tapping system on the full-face shaft boring machine of this embodiment includes a cutter head 9, a jet 12 for spraying clear water or slurry and other liquids to the shaft section when the cutter head 9 is bored and a slag suction port 11 for sucking the slag slurry generated by the shaft section are provided on the cutter head 9, the center of the cutter head 9 is provided with a multi-layer sleeve type center pillar, the multi-layer sleeve type center pillar includes a slag suction pipe 8 communicated with the slag suction port 11 and a jet pipe 7 sleeved outside the slag suction pipe 8 and communicated with the jet port 12 and used for providing flushing liquid to the jet port 12, and an annular channel for the flushing liquid to flow therein is formed between the jet pipe 7 and the slag suction pipe 8.
The last slag tapping system of this embodiment still includes fixes relay platform 14 that deviates from the setting of blade disc 9 tip on blade disc 9, be equipped with on relay platform 14 with inhale 8 intercommunication of slag pipe and be used for separating the solid-liquid separation equipment 5 of rock sediment and thick liquid in the sediment thick liquid, can set up slush pump 13 on inhaling the slag pipe 8 in order to provide conveying power, and during normal work, slush pump 13 will carry the sediment thick liquid that produces in the shaft section department when blade disc 9 is tunnelled to solid-liquid separation equipment 5 with the liquid that efflux pipe 7 sprays together and carry out solid-liquid separation.
The solid-liquid separation device 5 of this embodiment separates the slag and slurry delivered by the mud pump 13 to obtain rock slag and slurry, the solid-liquid separation device 5 includes a solid storage bin 3 for storing rock slag and a liquid storage bin 15 for storing slurry, in specific implementation, the solid-liquid separation device 5 is made into a hollow shell 505, a liquid inlet pipe 501 which is communicated with the slag suction pipe 8 and is used for feeding slurry into the shell 505 is arranged on the shell 505, a screen 502 for separating slurry and rock slag is arranged in the shell 505, the screen 502 is obliquely arranged and covers the cross section of the shell 505, the screen 502 is adapted to the cross section of the shell 505, a slag outlet pipe 504 which is suspended above the solid storage bin 3 is arranged at the lower end of the screen 502, so that the separated rock slag is discharged out of the shell 505, a slurry outlet pipe 503 is arranged on the shell 505 below the screen 502, the slurry outlet pipe 503 is suspended above the liquid storage bin 15, when slurry passes through the screen 502, rock slag is intercepted by the screen 502 and rolls off from the screen 502 and is discharged out of the shell 505 along the slag discharge pipe 504 into the solid storage bin 3, and the slurry is discharged out of the shell 505 from the slurry outlet pipe 503 through the screen 502 and enters into the liquid storage bin 15, so that the solid-liquid separation device 5 can better separate the slurry in real time and keep the normal and stable operation of an upper slag discharge system.
The conveying mechanism in the upper slag discharging system of the embodiment comprises a bucket 2 used for containing rock slag and a liquid discharge pipe 19 used for conveying slurry, wherein the bucket 2 is used for conveying the rock slag stored in a solid storage bin 3, the liquid discharge pipe 19 is communicated with a liquid storage bin 15 and extends out of a vertical shaft to convey the slurry in the liquid storage bin 15 to the outside of the vertical shaft, a winch 1 used for driving the bucket 2 to move up and down in the vertical shaft is arranged outside the vertical shaft and connected with the bucket 2, a slurry pump 16 used for pressurizing the liquid discharge pipe 19 to discharge the slurry in the liquid storage bin 15 out of the vertical shaft is arranged on the liquid discharge pipe 19, in specific implementation, comprehensive consideration can be given to the depth of the vertical shaft and the slurry pump 16, and when the slurry pump 16 cannot pump the slurry to the ground at one time, an auxiliary liquid storage bin 17 and an auxiliary slurry pump 18 used for increasing conveying pressure can be arranged on the liquid discharge pipe 19.
By arranging the relay platform, the slag and the slurry are separated into the rock slag and the slurry on the relay platform, and then the rock slag and the slurry are respectively discharged out of the vertical shaft, compared with the existing slag discharging mode that solid and liquid are integrated and the slag and the slurry are directly discharged out of the vertical shaft, the slag discharging transfer station is equivalently arranged in the vertical shaft, and the rock slag is separated out of the slurry and then is independently discharged, the slag tapping system greatly reduces the gravity of the slurry pump required to overcome the slag slurry, and for deep shafts, particularly ultra-deep shafts, the pump can more easily pump the slurry to the ground from the vertical shaft, the slag discharging capacity of the upper slag discharging system is increased, and avoids the phenomena that the rock slag with large-diameter particles blocks and scratches the pipeline in the pipeline, for a deep shaft, particularly an ultra-deep shaft, the stability of slurry discharge can be effectively ensured, and the slag discharge capability of a slag discharge system is completely matched with the tunneling capability of a tunneling machine.
Meanwhile, according to the calculation of the Pascal principle, the arrangement of the embodiment reduces the required motor power and the pumping pressure of the slurry pump, and for a deep shaft, particularly an ultra-deep shaft, the occupied space and the layout cost of the motor, the pump body, a pipeline and the like are greatly reduced.
In this embodiment, the mesh diameter of the screen 502 may be set to 150mm to match with the rock slag continuously generated at the tunneling section when the cutterhead 9 tunnels, that is, the diameter of most of the rock slag is greater than 150mm, and the 150mm screen 502 is adopted to completely filter out the rock slag in the slag slurry.
Wherein, screen cloth 502 can be the shale shaker, makes the filter screen of shale shaker take place vibrations through motor drive oscillator, can avoid screen cloth 502 long-term during operation, and the rock sediment is piled up on the screen cloth inclined plane or is blocked the mesh of screen cloth 502, can also accelerate the separation process of sediment thick liquid simultaneously, improves the stability of going up the sediment system.
the difference between the slag tapping system of the full face shaft boring machine of this embodiment and embodiment 1 is that the solid storage bin 3 can be fixed on the relay platform 14 during implementation, the gravity sensor 4 for detecting the weight of the solid storage bin 3 is arranged at the bottom of the solid storage bin 3, when rock slag enters the solid storage bin 3, the signal of the gravity sensor 4 can be fed back to the amount of rock slag accumulated in the solid storage bin 3, the liquid storage bin 15 is provided with the level gauge 1501 for detecting the height of the slurry in the liquid storage bin 15, by arranging the gravity sensor and the level gauge 1501, when the rock slag in the solid storage bin 3 reaches the set weight, the winch 1 is started to put down the bucket 2 to hoist the rock slag in the solid storage bin 3, and when the level gauge 1501 reaches the set level height, the slurry pump 16 can be started to pump the slurry in the liquid storage bin 15 to the ground, which is helpful for deep shaft, in particular to the fluency of the slag tapping process in the ultra-deep shaft.
The blade disc 9 of this embodiment can set up to be the toper form, and the face of drivage in the shaft this moment is the conical surface, inhale the tip that 11 equipartitions of cinder notch are used for the tunnelling at blade disc 9, 12 equipartitions of efflux port are washed out the liquid that jet pipe 7 provided through efflux port 12 at the afterbody of blade disc 9, wash the bottom to the shaft bottom with the broken rock soil, dregs, rubble etc. of blade disc 9 tip, inhaling 11 departments of cinder notch, when the hobbing cutter 21 of blade disc 9 is tunnelled the shaft terminal surface, can accelerate the radial motion speed that 9 conical surfaces of edge rock dregs of blade disc 9 remove to blade disc 9 center along the blade disc 9, avoid appearing rolling the breakage repeatedly, improve and arrange sediment and tunnelling efficiency.
In this embodiment, a density detection sensor 10 for detecting the density of slurry at the section of the vertical shaft during tunneling of the cutter head 9 is arranged in the slurry suction port 11, when the density of slurry at the bottom of the shaft detected by the density detection sensor 10 reaches a set value, a slurry pump 13 is started to operate, slurry at the bottom of the vertical shaft is extracted, when the density of slurry at the bottom of the vertical shaft is greater than the set value, insufficient water at the bottom of the shaft is indicated, and a signal is given, so that the flow rate of liquid supplied to the jet port 12 by the jet pipe 7 can be conveniently adjusted, the density of slurry at the bottom of the vertical shaft can always reach the set value, the slurry pump 13 can be kept in a good working state, the phenomenon that the slurry blocks the pump and the pipeline due to too thick slurry is avoided, and the phenomenon that the slurry pump 13 is vacuumized due to insufficient water mixing of the jet pipe 7 is also avoided.
The cutter head 9 of this embodiment is further provided with a control chamber 6, the control chamber 6 is electrically connected to the gravity sensor 4, the level meter 1501, the density detection sensor 10, the hoist 1, the slurry pump 13 and the slurry pump 16, the control chamber 6 is configured to collect data of the gravity sensor 4, the level meter 1501 and the density detection sensor 10 and control actions on the hoist 1, the slurry pump 13 and the slurry pump 16, such as start and stop of each device, magnitude of output, and the like, in specific implementation, the control chamber 6 may be an intelligent control module, such as a PLC, and specifically, the control chamber 6 may also be electrically connected to a water pump that supplies liquid to the jet pipe 7, so as to automatically adjust a liquid flow rate supplied to the jet pipe 7. The control room 6 can realize intelligent control of the upper slag discharging system of the heading machine, improve the slag discharging capacity of the upper slag discharging system, and for deep vertical shafts, particularly ultra-deep vertical shafts, the control room can adjust the states of all equipment in real time according to the heading depth, so that the slag discharging capacity of the upper slag discharging system is matched with the heading capacity.
In the embodiment, the slurry tank 20 is further arranged on the ground, the slurry tank 20 is used for storing slurry discharged by the liquid discharge pipe, flocculant, swelling agent and the like can be added into the slurry in the slurry tank 20 to purify the water quality of the slurry, and then the purified slurry in the slurry tank 20 is conveyed to the jet pipe 7 to be recycled.
It should be noted that the above embodiments are only for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a slag discharging system on full-face shaft heading machine, is including being equipped with cutter head (9) of inhaling slag notch (11) and jet orifice (12) and setting up the multilayer bushing type center pillar at cutter head (9) center, multilayer bushing type center pillar including the intercommunication inhale slag pipe (8) and the cover of inhaling slag notch (11) establish inhale outside slag pipe (8) with jet orifice (12) intercommunication is used for providing the jet orifice (12) with jet orifice (7) of flushing liquid, its characterized in that, still including fix and deviate from relay platform (14) that cutter head (9) tip set up on cutter head (9), be equipped with on relay platform (14) with inhale slag pipe (8) intercommunication and be used for collecting and separating solid-liquid separation device (5) of rock sediment and thick liquid in the thick liquid of sediment;
the upper slag discharging system also comprises a conveying mechanism used for conveying the rock slag separated by the solid-liquid separation device (5) to the outside of the vertical shaft, and a liquid discharging pipe (19) used for conveying the slurry separated by the solid-liquid separation device (5) to the outside of the vertical shaft.
2. The slag tapping system of the full face shaft boring machine according to claim 1, wherein the solid-liquid separation device (5) comprises a hollow shell (505), a screen (502) which is matched with the cross section of the shell (505) is obliquely arranged in the shell (505), a slag tapping pipe (504) which is suspended above the solid storage bin (3) is arranged on the shell (505) corresponding to the lower end of the screen (502), a liquid inlet pipe (501) which is communicated with the slag suction pipe (8) is arranged on the shell (505) and is positioned below the screen (502), and a slurry outlet pipe (503) which is suspended above the liquid storage bin (15) is arranged on the shell (505) and is positioned below the screen (502).
3. A tapping system in a full face shaft boring machine according to claim 2 wherein the mesh diameter of the screen (502) is 150 mm.
4. A slag tapping system in a full face shaft boring machine according to claim 2 wherein the screen (502) is a vibrating screen.
5. The slag tapping system of the full face shaft boring machine according to claim 2, wherein the solid storage bin (3) is fixed on the relay platform (14), and the bottom of the solid storage bin (3) is provided with a gravity sensor (4) for detecting the weight of the solid storage bin (3), and the liquid storage bin (15) is provided with a liquid level meter (1501) for detecting the level of the slurry in the liquid storage bin (15).
6. The slag tapping system of the full face shaft boring machine according to claim 5, wherein the cutter head (9) is conical, the slag suction ports (11) are evenly distributed at the end of the cutter head (9) for boring, and the jet ports (12) are evenly distributed at the tail of the cutter head (9).
7. The slag tapping system of the full face shaft boring machine according to claim 6, wherein a density detection sensor (10) for detecting the density of the slurry at the shaft face when the cutter head (9) is bored is provided in the slag suction port (11).
8. The slag tapping system of the full face shaft heading machine according to claim 7, wherein the cutter head (9) is further provided with a control room (6), and the control room (6) is electrically connected with the gravity sensor (4), the liquid level meter (1501), the density detection sensor (10), the winch (1), the slurry pump (13) and the slurry pump (16) and is used for collecting data of the gravity sensor (4), the liquid level meter (1501) and the density detection sensor (10) and controlling the start and stop of the winch (1), the slurry pump (13) and the slurry pump (16).
9. The slag tapping system of a full face shaft boring machine according to claim 1, wherein the drain pipe (19) is further provided with an auxiliary liquid storage bin (17) and an auxiliary slurry pump (18) for increasing the delivery pressure.
10. The slag tapping system of a full face shaft boring machine according to claim 1, wherein the conveying means comprises a bucket (2) for holding the rock slag and a hoist (1) connected to the bucket (2) and disposed outside the shaft for driving the bucket (2) up and down in the shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110872897.7A CN113503162A (en) | 2021-07-30 | 2021-07-30 | Slag discharging system on full-face shaft heading machine |
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| CN202110872897.7A CN113503162A (en) | 2021-07-30 | 2021-07-30 | Slag discharging system on full-face shaft heading machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288697A (en) * | 2022-08-25 | 2022-11-04 | 煤炭工业合肥设计研究院有限责任公司 | Shaft full-face heading machine system |
| US11891865B1 (en) | 2022-08-25 | 2024-02-06 | Hefei Design & Research Institute Of Coal Industry Co., Ltd | Full-face shaft tunnel boring machine system |
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| CN103924977A (en) * | 2014-02-27 | 2014-07-16 | 中铁工程装备集团有限公司 | Center-pillared full-face shaft drilling machine |
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| CN212003195U (en) * | 2020-04-09 | 2020-11-24 | 中铁六局集团有限公司 | Suspension type automatic safe slag discharging device for shield |
| CN112727464A (en) * | 2021-01-05 | 2021-04-30 | 核工业北京地质研究院 | Slag discharging system and method for construction of vertical shaft heading machine |
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| CN115288697A (en) * | 2022-08-25 | 2022-11-04 | 煤炭工业合肥设计研究院有限责任公司 | Shaft full-face heading machine system |
| US11891865B1 (en) | 2022-08-25 | 2024-02-06 | Hefei Design & Research Institute Of Coal Industry Co., Ltd | Full-face shaft tunnel boring machine system |
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Application publication date: 20211015 |