CN111577314A - Slag discharging equipment and slag discharging method for earth pressure balance pipe jacking construction - Google Patents
Slag discharging equipment and slag discharging method for earth pressure balance pipe jacking construction Download PDFInfo
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- CN111577314A CN111577314A CN202010358150.5A CN202010358150A CN111577314A CN 111577314 A CN111577314 A CN 111577314A CN 202010358150 A CN202010358150 A CN 202010358150A CN 111577314 A CN111577314 A CN 111577314A
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- 239000002893 slag Substances 0.000 title claims abstract description 261
- 238000010276 construction Methods 0.000 title claims abstract description 53
- 238000007599 discharging Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 238000003756 stirring Methods 0.000 claims abstract description 77
- 239000002689 soil Substances 0.000 claims abstract description 60
- 239000011268 mixed slurry Substances 0.000 claims abstract description 42
- 238000010079 rubber tapping Methods 0.000 claims abstract description 35
- 238000005086 pumping Methods 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 3
- 239000013049 sediment Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005406 washing 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
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
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- 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/13—Devices for removing or hauling away excavated material or spoil; Working or loading platforms using hydraulic or pneumatic conveying means
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- 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)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention provides a slag tapping device for earth pressure balance pipe jacking construction, which comprises a slag hopper, wherein a slag inlet of the slag hopper is communicated with a slag outlet of a pipe jacking machine, and the slag tapping device also comprises: the moisture measuring device is arranged in the slag hopper and used for detecting the moisture content of the slag soil in the slag hopper; the water delivery device is electrically connected with the moisture measuring device, a water outlet of the water delivery device is communicated with a slag inlet of the slag bucket, and the water delivery device is used for controlling the opening and closing of the water outlet according to the moisture content of the slag soil in the slag bucket; the stirring device is fixed on the slag hopper and is used for stirring the slag soil in the slag hopper and water to form mixed slurry; and the delivery pump is arranged in the slag hopper and used for pumping the mixed slurry in the slag hopper to the slag pond. The invention also provides a slag tapping method for the earth pressure balance pipe jacking construction. The slag discharging equipment and the slag discharging method provided by the invention change the soil property characteristics of the slag, directly pump the mixed slurry with the plastic soil property characteristics from the underground into the slag pool on the ground, save the conveying time of the slag and improve the slag discharging efficiency of the slag.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a slag tapping device for earth pressure balance pipe jacking construction and a slag tapping method for earth pressure balance pipe jacking construction.
Background
The pipe jacking construction is a non-excavation construction method, mainly comprising an air pressure balance pipe jacking, a mud water balance pipe jacking and an earth pressure balance pipe jacking, wherein the earth pressure balance pipe jacking construction is mainly used for loess, sandy soil and clay stratum construction, a prefabricated pipeline is jacked into a soil body according to the design requirement by a pipe jacking device during the construction, after one prefabricated pipeline is jacked into the soil body, the exposed end of the jacked prefabricated pipeline is connected with another prefabricated pipeline to be jacked continuously until all the prefabricated pipelines are jacked into the soil body according to the design requirement, the moisture content of muck discharged from the pipe jacking device during the earth pressure balance pipe jacking construction is between 55 and 65 percent, the muck is pasty, in view of the soil property of the discharged muck, the muck in the muck bucket and the muck bucket are conveyed to the hoisting position in a working well by a transport vehicle after the discharged muck enters the muck bucket, and then the muck bucket is hoisted out from the working well by a hoisting device, the slag conveying is completed, the slag discharging time of the slag hopper is longer in the construction of earth pressure balance pipe jacking, taking the condition that the advancing length of the pipe jacking equipment per cycle is 1.5m as an example, a single slag hopper is adopted to receive and convey the slag, and the capacity of the slag hopper is 7.8m3The slag discharge per cycle is about 101m3And 13 buckets are required to be transported in a separated mode, the total construction time of each cycle is 520 minutes, the slag discharging time of each cycle of the slag bucket is 364 minutes, the total construction time accounts for 70 percent of the total construction time, the construction is uninterrupted in 24 hours a day, and the maximum jacking length is about 3.22m every day, so that the construction efficiency of the whole pipe jacking construction is greatly influenced by the slag discharging mode with extremely low efficiency.
Therefore, in order to improve the efficiency of pipe jacking construction, a method and a facility for removing dregs are needed to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems of low slag discharging efficiency in earth pressure balance pipe-jacking construction in the prior art and provides a slag discharging device and a slag discharging method for earth pressure balance pipe-jacking construction so as to solve the problems and improve the slag discharging efficiency.
In order to achieve the above object, an embodiment of the present invention provides a slag tapping device for earth pressure balance pipe jacking construction, where the slag tapping device includes a slag hopper, a slag inlet of the slag hopper in the earth pressure balance pipe jacking construction is communicated with a slag outlet of a pipe jacking machine, and is used for containing slag discharged from the slag outlet of the pipe jacking machine, and the slag tapping device further includes:
the moisture measuring device is arranged in the slag hopper and used for detecting the water content of the slag soil in the slag hopper;
the water delivery device is electrically connected with the moisture measurement device, a water outlet of the water delivery device is communicated with a slag inlet of the slag bucket, the water delivery device is used for delivering water into the slag bucket through the water outlet, and the water delivery device is also used for controlling the opening and closing of the water outlet according to the moisture content of slag soil in the slag bucket;
the stirring device is fixed on the slag hopper and is used for stirring the slag soil in the slag hopper and water to form mixed slurry;
and the conveying pump is arranged in the slag hopper, is provided with a conveying pipeline communicated to the slag-soil pool, and is used for pumping the mixed slurry formed by stirring in the slag hopper to the slag-soil pool.
Specifically, the slag discharging equipment further comprises a vibrator, wherein the vibrator is fixed on the slag hopper and used for vibrating the wall of the slag hopper.
Specifically, the vibrator is including fixing mount pad, rapping drive arrangement, intermediate junction pole and the stick of beating of shaking on the sediment fill, intermediate junction pole's pole body is rotatable to be installed on the mount pad, intermediate junction pole one end with shake beat excellent fixed connection, the other end with drive arrangement's drive shaft connection shakes, intermediate junction pole can shake and beat the drive of drive arrangement's drive and rotate down and then drive shake the stick rotation of beating and shake the headwall of sediment fill.
Specifically, slag discharging equipment still includes a plurality of walking wheels, and is a plurality of the walking wheel is installed bottom surface outside the sediment fill.
Specifically, agitating unit includes puddler and stirring drive arrangement, stirring drive arrangement is fixed on the sediment fill, puddler one end with stirring drive arrangement's actuating shaft, the other end stretches into accomplish the stirring action in the sediment fill.
Specifically, the stirring device further comprises a plurality of stirring blades, and the stirring blades are arranged in layers along the axial direction of the stirring rod.
Specifically, a plurality of stirring teeth are arranged on the surface of each stirring blade.
The invention also provides a slag tapping method for the earth pressure balance pipe jacking construction, which is implemented by adopting any one of the slag tapping devices, and the slag tapping method comprises the following steps:
detecting the water content of the residue soil in the residue hopper through the water content measuring device;
controlling the opening and closing of the water outlet by using the water feeding device according to the water content of the residue soil in the residue hopper;
stirring the muck in the slag hopper by the stirring device to be mixed with the water conveyed into the slag hopper to form mixed slurry;
and pumping the mixed slurry in the residue hopper to a residue soil pool through a delivery pump.
Specifically, the deslagging method further comprises the following steps: and rapping the wall of the slag hopper through the vibrator while pumping the mixed slurry.
Specifically, the deslagging method further comprises the following steps: after the mixed slurry is pumped, the inner cavity of the slag bucket is cleaned through the simultaneous work of the water feeding device, the stirring device and the delivery pump.
The invention provides a slag discharging device for earth pressure balance pipe jacking construction, which adopts a moisture measuring device to detect the moisture content of dregs in a dreg bucket, controls a water feeding device to open and close according to the moisture content of the dregs, the water outlet of the water feeding device is opened to feed water into the slag hopper under the condition that the moisture content of the slag soil in the slag hopper is too low, the stirring device uniformly stirs the slag soil and the water in the slag hopper to form mixed slurry, the mixed slurry in the slag bucket is pumped to the slag pool by the delivery pump, the slag discharging equipment for earth pressure balance pipe-jacking construction provided by the invention changes the characteristics of the quality of the slag soil, changes the non-plastic slag soil discharged by the pipe-jacking machine into the mixed slurry with the characteristics of the plastic soil quality, and then pumps the mixed slurry to the ground slag pool from the working well by the delivery pump, thereby omitting the processes of carrying the slag bucket back and forth and hoisting the slag bucket to the ground, saving the delivery time of the slag soil and improving the slag discharging efficiency of the slag soil. The invention also provides a slag tapping method for the earth pressure balance pipe jacking construction, which is implemented by adopting the slag tapping equipment. The slag discharging equipment and the slag discharging method for the earth pressure balance pipe jacking construction change the soil property characteristics of the slag, directly pump the mixed slurry with the plastic soil property characteristics from the underground into the ground slag pool, save the conveying time of the slag and improve the slag discharging efficiency of the slag.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a slag tapping device for earth pressure balance pipe jacking construction provided by an embodiment of the invention;
FIG. 2 is a top view of a slag tapping device for earth pressure balance pipe jacking construction provided by an embodiment of the invention;
fig. 3 is a schematic structural diagram of a vibrator in a slag tapping device for earth pressure balance pipe jacking construction according to an embodiment of the present invention.
Description of the reference numerals
1 slag bucket 3 moisture measuring device
4 water feeding device 5 stirring device
6 delivery pump 7 vibrator
8 walking wheel 51 stirring rod
52 stirring driving device 53 stirring blade
71 rapping drive device 72 intermediate connecting rod
73 mount 74 rapping bar
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like are generally described with respect to the orientation shown in the drawings or the positional relationship of the components with respect to each other in the vertical, or gravitational direction.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
An embodiment of the present invention provides a slag tapping device for earth pressure balance pipe jacking construction, where fig. 1 is a schematic structural diagram of the slag tapping device for earth pressure balance pipe jacking construction, fig. 2 is a top view of the slag tapping device for earth pressure balance pipe jacking construction, as shown in fig. 1-2, the slag tapping equipment includes a slag hopper 1, a slag inlet of the slag hopper 1 is communicated with a slag outlet of a pipe jacking machine in the earth pressure balance pipe jacking construction, and is used for containing slag discharged from the slag outlet of the pipe jacking machine, and the slag tapping equipment further includes:
the moisture measuring device 3 is arranged in the slag hopper 1 and is used for detecting the moisture content of the slag soil in the slag hopper 1;
the water supply device 4 is electrically connected with the moisture measuring device 3, a water outlet of the water supply device 4 is communicated with a slag inlet of the slag bucket 1, the water supply device 4 is used for supplying water into the slag bucket 1 through the water outlet, and the water supply device 4 is also used for controlling the opening and closing of the water outlet according to the water content of the slag soil in the slag bucket 1;
the stirring device 5 is fixed on the slag hopper 1 and is used for stirring the slag soil in the slag hopper 1 and water to form mixed slurry;
and the conveying pump 6 is arranged in the slag hopper 1, is provided with a conveying pipeline communicated to the slag-soil pool, and is used for pumping the mixed slurry formed by stirring in the slag hopper 1 to the slag-soil pool.
The invention provides a slag discharging device for earth pressure balance pipe-jacking construction, as shown in figure 1, in the earth pressure balance pipe-jacking construction, a pipe jacking machine executes pipe-jacking construction in a working well, a slag outlet of the pipe jacking machine is communicated with a slag inlet of a slag hopper 1 placed in the working well, the slag form discharged in the earth pressure balance pipe-jacking construction is pasty non-plastic state, the slag discharging efficiency is low in the prior art by adopting a hopper slag conveying and hoisting slag discharging mode, in order to improve the slag discharging efficiency of the slag, after the non-plastic state slag is discharged into the slag hopper 1, the water content of the slag in the slag hopper 1 is detected, under the condition that the water content of the slag is lower than 80 percent, a water outlet of a water feeding device 4 is controlled to be opened, water is fed into the slag hopper 1, a stirring device 5 stirs the slag and the water which are input into the slag hopper 1, the slag and mixes the slag and the water to form mixed slurry, a conveying pump 6 arranged in the slag hopper 1 directly pumps the mixed slurry from the slag hopper 1 into the slag pool through a conveying pipeline communicated with the slag pool, during the process, the slag hopper 1 does not need to be carried, and the transportation time is saved. The mucking equipment provided by the invention changes the soil property characteristics of muck discharged from a pipe jacking machine in the earth pressure balance pipe jacking construction, converts the muck discharged into the muck hopper 1 from a non-plastic state into a plastic mixed slurry through the mucking equipment, and then pumps the mixed slurry into the muck pool on the ground through the conveying pump 6, so that the conveying time for conveying the muck from the underground to the muck pool on the ground is saved, the muck discharging efficiency is improved, the investment of construction equipment is reduced, and the labor intensity of construction personnel is reduced.
In order to prevent the inner wall of the slag bucket 1 from adhering slag soil, which causes the slag soil to remain in the slag bucket 1, specifically, the slag tapping device further comprises a vibrator 7, wherein the vibrator 7 is fixed on the slag bucket 1 and is used for rapping the wall of the slag bucket 1. The wall of the slag hopper is vibrated by the vibrator 7, and the slag adhered to the wall of the slag hopper 1 falls off and is mixed with water to form mixed slurry, and then the mixed slurry is discharged, so that no slag residue is left in the slag hopper 1.
In one embodiment, as shown in fig. 3, specifically, the vibrator 7 includes a mounting seat 73 fixed on the slag bucket 1, a rapping drive device 71, an intermediate connecting rod 72 and a rapping rod 74, a rod of the intermediate connecting rod 72 is rotatably mounted on the mounting seat 73, one end of the intermediate connecting rod 72 is fixedly connected with the rapping rod 74, and the other end is connected with a drive shaft of the rapping drive device 71, and the intermediate connecting rod 72 can be driven by the drive shaft of the rapping drive device 71 to rotate so as to drive the rapping rod 74 to rotate and rap the wall of the slag bucket 1. The rapping drive device 71 is a hydraulic oil cylinder, a rack is arranged on a piston rod of the hydraulic oil cylinder, a gear matched with the rack is arranged on a rod body at one end of the middle connecting rod 72 connected with the rapping drive device 71, a gear-rack connecting structure is formed between the middle connecting rod 72 and the rapping drive device 71, the middle connecting rod 72 is rotatably arranged on the mounting seat 73, when a driving shaft of the rapping drive device 71 performs telescopic motion, the rack on the driving shaft of the rapping drive device 71 drives the gear on the middle connecting rod 72 meshed with the rack to rotate clockwise or anticlockwise, and then the rapping rod 74 is driven to rotationally swing and rap the hopper wall of the slag hopper 1, and the continuous rapping hopper wall of the rapping rod 74 can prevent slag soil or mixed slurry from adhering to the inner wall of the slag hopper 1, so that the slag soil remained in the slag hopper 1 is.
In order to facilitate the movement of the slag bucket, the slag discharging equipment further comprises a plurality of walking wheels 8, and the walking wheels 8 are installed on the outer bottom surface of the slag bucket 1.
In order to mix the muck in the slag bucket 1 with the water fed into the slag bucket 1 by the water feeding device 4, specifically, the stirring device 5 comprises a stirring rod 51 and a stirring driving device 52, the stirring driving device 52 is fixed on the slag bucket 1, one end of the stirring rod 51 is connected with a driving shaft of the stirring driving device 52, and the other end of the stirring rod extends into the slag bucket 1 to complete a stirring action. Through agitating unit 5's stirring, dregs and water mix and form and mix the thick liquid for the soil property characteristics of the discharged dregs obtain changing in the construction of balanced push pipe of soil pressure, make things convenient for transfer pump 6 to mix the direct pump sending of thick liquid and to subaerial dregs pond in, improved the efficiency of slagging tap of dregs greatly.
In order to rapidly mix the dregs and the water, as shown in fig. 1, specifically, the stirring device 5 further includes a plurality of stirring blades 53, and the plurality of stirring blades 53 are arranged in layers along the axial direction of the stirring rod 51. Set up stirring vane 53 at the axial layering of puddler 51, can be with going into the dregs and the water rapid mixing who fights 1 in through a plurality of stirring vane 53 that set up evenly, in order to make stirring speed faster, every layer sets up a plurality of stirring vane 53 and a plurality of stirring vane 53 that every layer set up along puddler 51's circumference equipartition to accelerate stirring speed, improve the efficiency of slagging tap.
In order to crush the large clods in the soil while the agitating device 5 agitates the soil and water, the transfer pump 6 is prevented from being clogged by the large clods in the mixed slurry while pumping the mixed slurry, and specifically, each of the agitating blades 53 is provided with a plurality of agitating teeth on the surface thereof. Through a plurality of stirring teeth that set up on each stirring vane 53's surface, increased the contact frequency and the frictional force of stirring tooth and bold clod in the dregs, can be quick smash the bold clod in the dregs, make delivery pump 6 not blockked up when the pump sending mixes thick liquid.
The invention also provides a slag tapping method for the earth pressure balance pipe jacking construction, which is executed by the slag tapping equipment, and the slag tapping method comprises the following steps:
detecting the water content of the residue soil in the residue hopper 1 through the water content measuring device 3;
controlling the opening and closing of the water outlet by using the water feeding device 4 according to the water content of the residue soil in the residue hopper 1;
stirring the muck in the slag hopper 1 by the stirring device 5 to be mixed with the water conveyed into the slag hopper 1 to form mixed slurry;
the mixed slurry in the slag hopper 1 is pumped to a slag soil pool by a delivery pump 6.
Specifically, the deslagging method further comprises the following steps: the wall of the slag hopper 1 is rapped by the vibrator 7 while the mixed slurry is pumped.
After the pumping of the mixed slurry is finished, the slag hopper 1 needs to be cleaned in time, the inner wall of the slag hopper 1, the inner wall of the conveying pipeline and the residual mixed slurry in the conveying pump 6 are prevented from being blocked after solidification, and the future use is influenced, and specifically, the slag discharging method further comprises the following steps: after the mixed slurry is pumped, the inner cavity of the slag bucket 1 is cleaned by the water feeding device 4, the stirring device 5 and the delivery pump 6 simultaneously. During the washing, control water feeding device 4 sends water to the sediment fill 1 in, starts agitating unit 5 and stirs the water in the sediment fill 1 in order to wash the fill wall of sediment fill 1, discharges the water in the sediment fill 1 through delivery pump 6 at last, so wash many times, can wash remaining mixed thick liquid in sediment fill 1, delivery pump 6 and the pipeline, ensure the normal use of slag discharging equipment in the future.
The invention provides a slag discharging device for earth pressure balance pipe jacking construction, which adopts a moisture measuring device to detect the moisture content of dregs in a dreg bucket, controls a water feeding device to open and close according to the moisture content of the dregs, the water outlet of the water feeding device is opened to feed water into the slag hopper under the condition that the moisture content of the slag soil in the slag hopper is too low, the stirring device uniformly stirs the slag soil and the water in the slag hopper to form mixed slurry, the mixed slurry in the slag bucket is pumped to the slag pool by the delivery pump, the slag discharging equipment for earth pressure balance pipe-jacking construction provided by the invention changes the characteristics of the quality of the slag soil, changes the non-plastic slag soil discharged by the pipe-jacking machine into the mixed slurry with the characteristics of the plastic soil quality, and then pumps the mixed slurry to the ground slag pool from the working well by the delivery pump, thereby omitting the processes of carrying the slag bucket back and forth and hoisting the slag bucket to the ground, saving the delivery time of the slag soil and improving the slag discharging efficiency of the slag soil. The invention also provides a slag tapping method for the earth pressure balance pipe jacking construction, which is implemented by adopting the slag tapping equipment. The slag discharging equipment and the slag discharging method for the earth pressure balance pipe jacking construction change the soil property characteristics of the slag, directly pump the mixed slurry with the plastic soil property characteristics from the underground into the ground slag pool, save the conveying time of the slag and improve the slag discharging efficiency of the slag.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. The utility model provides a slag discharging equipment of earth pressure balance push pipe construction, slag discharging equipment includes slag bucket (1), in the construction of earth pressure balance push pipe the slag inlet of slag bucket (1) communicates with the slag notch of pipe pushing jack for hold certainly the slag notch exhaust dregs of pipe pushing jack, its characterized in that, slag discharging equipment still includes:
the moisture measuring device (3) is arranged in the slag hopper (1) and is used for detecting the water content of the slag soil in the slag hopper (1);
the water feeding device (4) is electrically connected with the moisture measuring device (3), a water outlet of the water feeding device (4) is communicated with a slag inlet of the slag bucket (1), the water feeding device (4) is used for feeding water into the slag bucket (1) through the water outlet, and the water feeding device (4) is also used for controlling the opening and closing of the water outlet according to the water content of slag soil in the slag bucket (1);
the stirring device (5) is fixed on the slag hopper (1) and is used for stirring the slag soil in the slag hopper (1) to be mixed with water to form mixed slurry;
and the conveying pump (6) is installed in the slag hopper (1) and is provided with a conveying pipeline communicated to the slag-soil pool, and is used for pumping the mixed slurry formed by stirring in the slag hopper (1) to the slag-soil pool.
2. The slag tapping device according to claim 1, further comprising a vibrator (7), said vibrator (7) being fixed to the slag hopper (1) for rapping the wall of the slag hopper (1).
3. The slag tapping equipment according to claim 2, wherein the vibrator (7) comprises a mounting seat (73) fixed on the slag hopper (1), a rapping driving device (71), an intermediate connecting rod (72) and a rapping bar (74), wherein a rod body of the intermediate connecting rod (72) is rotatably mounted on the mounting seat (73), one end of the intermediate connecting rod (72) is fixedly connected with the rapping bar (74), the other end of the intermediate connecting rod is connected with a driving shaft of the rapping driving device (71), and the intermediate connecting rod (72) can rotate under the driving of the driving shaft of the rapping driving device (71) to drive the rapping bar (74) to rotate and rap the wall of the slag hopper (1).
4. The tapping device according to claim 1, further comprising a plurality of travelling wheels (8), the travelling wheels (8) being mounted on an outer bottom surface of the hopper (1).
5. The slag tapping equipment according to claim 1, wherein the stirring device (5) comprises a stirring rod (51) and a stirring driving device (52), the stirring driving device (52) is fixed on the slag hopper (1), one end of the stirring rod (51) is connected with a driving shaft of the stirring driving device (52), and the other end of the stirring rod extends into the slag hopper (1) to complete the stirring action.
6. The tapping apparatus according to claim 5, wherein the stirring device (5) further comprises a plurality of stirring blades (53), the plurality of stirring blades (53) being arranged in layers in the axial direction of the stirring rod (51).
7. Tapping apparatus according to claim 6, wherein a plurality of stirring teeth are provided on the surface of each stirring blade (53).
8. A deslagging method of earth pressure balance pipe jacking construction carried out by adopting the deslagging device in any one of claims 1-7, wherein the deslagging method comprises the following steps:
detecting the water content of the residue soil in the residue hopper (1) through the water content measuring device (3);
controlling the opening and closing of the water outlet by using the water feeding device (4) according to the water content of the residue soil in the residue hopper (1);
stirring the slag in the slag hopper (1) by the stirring device (5) to be mixed with the water conveyed into the slag hopper (1) to form mixed slurry;
and pumping the mixed slurry in the slag hopper (1) to a slag pond through a delivery pump (6).
9. The tapping method according to claim 8, further comprising: the wall of the slag hopper (1) is rapped by the vibrator (7) while the mixed slurry is pumped.
10. The tapping method according to claim 8, further comprising: after the mixed slurry is pumped, the inner cavity of the slag hopper (1) is cleaned by simultaneously working the water feeding device (4), the stirring device (5) and the delivery pump (6).
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| CN202010358150.5A CN111577314A (en) | 2020-04-29 | 2020-04-29 | Slag discharging equipment and slag discharging method for earth pressure balance pipe jacking construction |
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| CN202010358150.5A CN111577314A (en) | 2020-04-29 | 2020-04-29 | Slag discharging equipment and slag discharging method for earth pressure balance pipe jacking construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879019A (en) * | 2021-01-27 | 2021-06-01 | 中铁工程装备集团有限公司 | Shield muck improvement control device and method based on muck monitoring |
Citations (6)
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| CN2795599Y (en) * | 2005-04-19 | 2006-07-12 | 天津第六市政公路工程有限公司 | Automatic mud and water discharging pipe-jacking tunneller |
| CN102536259A (en) * | 2010-12-31 | 2012-07-04 | 上海市基础工程有限公司 | Soil-pressure-equalizing pipe-jacking mud-water converting device |
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| CN112879019A (en) * | 2021-01-27 | 2021-06-01 | 中铁工程装备集团有限公司 | Shield muck improvement control device and method based on muck monitoring |
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Application publication date: 20200825 |