CN111335913A - Shield suspension type automatic safe slag discharging device and method - Google Patents
Shield suspension type automatic safe slag discharging device and method Download PDFInfo
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- CN111335913A CN111335913A CN202010272940.1A CN202010272940A CN111335913A CN 111335913 A CN111335913 A CN 111335913A CN 202010272940 A CN202010272940 A CN 202010272940A CN 111335913 A CN111335913 A CN 111335913A
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- slag
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- pipe
- shield
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- 239000002893 slag Substances 0.000 title claims abstract description 162
- 238000007599 discharging Methods 0.000 title claims abstract description 61
- 239000000725 suspension Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005086 pumping Methods 0.000 claims abstract description 71
- 239000002689 soil Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims description 29
- 238000010079 rubber tapping Methods 0.000 claims description 25
- 239000002244 precipitate Substances 0.000 claims description 12
- 238000004062 sedimentation Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 239000008394 flocculating agent Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000011085 pressure filtration Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 12
- 238000000605 extraction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
- E21D9/124—Helical conveying means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a shield suspension type automatic safe slag discharging device and a shield suspension type automatic safe slag discharging method, which belong to the technical field of building construction. A storage box is hung on a lifting hook of the hoisting mechanism, and a plurality of motors are arranged in the storage box; the spiral slag-pumping pipes are respectively and correspondingly connected with the motors, and the spiral slag-pumping pipes are used for pumping slag soil by means of the motors; the slag discharging pipe is respectively communicated with the spiral slag discharging pipes and is used for guiding the slag in the spiral slag discharging pipes into the slag pool. The shield suspension type automatic safe slag discharging device is used in the shield slag discharging method. The shield suspension type automatic safe slag discharging device and the shield suspension type automatic safe slag discharging method provided by the invention are provided with the lifting mechanism to realize movable slag discharging, and are provided with the plurality of motors and the plurality of spiral slag discharging pipes to simultaneously discharge slag, so that the slag discharging efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a shield suspension type automatic safe slag discharging device and method.
Background
With the rapid development of urban rail transit and the increasing sophistication of shield construction technology, shield construction is not only fast and efficient, but also automatic combination physicochemical property and high efficiency. Shield constructs the slag soil in the tunnel during shield structure construction and usually is that a motor drives and takes out the slag pipe and take out the sediment, can't realize portable taking out the sediment, and a motor takes out the sediment inefficiency.
Disclosure of Invention
The invention aims to provide a shield suspension type automatic safe slag discharging device and a shield suspension type automatic safe slag discharging method, and aims to solve the problems that movable slag discharging cannot be realized in the conventional shield slag discharging device and the slag discharging efficiency of one motor is low.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a shield constructs automatic safe slag discharging device of suspension type, includes:
the lifting mechanism is characterized in that a storage box is lifted on the lifting hook, and a plurality of motors are arranged in the storage box;
the spiral slag-pumping pipes are respectively and correspondingly connected with the motors and are used for pumping slag soil by virtue of the motors; and
and the slag discharging pipe is respectively communicated with the spiral slag discharging pipes and is used for guiding the slag in the spiral slag discharging pipes into the slag pool.
As another embodiment of the application, the top end of the spiral slag-pumping pipe is detachably connected with the storage box; and a spiral shaft of the spiral slag pumping pipe is connected with a rotating shaft of the motor through a gear.
As another embodiment of the present application, a plurality of spiral slag-pumping pipes are respectively provided with a flushing pipe.
As another embodiment of the application, a screen used for filtering the dregs into mud is arranged above the dregs pool.
As another embodiment of the present application, the method further includes:
the mud pump is used for pumping the mud into the sedimentation tank; and
and the filter press is used for filter pressing the precipitate in the slurry.
As another embodiment of the application, the spiral slag pumping pipe is connected with the storage box through a flange.
As another embodiment of the present application, the hoisting mechanism is a boom hoist.
The shield suspension type automatic safe slag discharging device provided by the invention has the beneficial effects that: compared with the prior art, the storage box is hung on a lifting hook of the hoisting mechanism of the shield suspension type automatic safe slag discharging device, a plurality of motors are arranged in the storage box, and the hoisting mechanism can drive the motors in the storage box to realize movable slag pumping; the spiral slag-pumping pipes are respectively and correspondingly connected with the motors, the spiral slag-pumping pipes are used for pumping the slag soil by virtue of the motors, and the motors and the spiral slag-pumping pipes are arranged for pumping the slag soil simultaneously, so that the slag-pumping efficiency can be improved; the slag discharging pipe is respectively communicated with the spiral slag discharging pipes and is used for guiding the slag in the spiral slag discharging pipes into the slag pool. The shield suspension type automatic safe slag discharging device provided by the invention is provided with the lifting mechanism to realize movable slag discharging, and the plurality of motors and the plurality of spiral slag discharging pipes are arranged to simultaneously discharge slag, so that the slag discharging efficiency is improved.
The invention also provides a shield slag tapping method, which comprises the following steps:
s1: the motor is started to rotate in the positive direction to drive the spiral shaft in the spiral slag pumping pipe to rotate in the positive direction, and the slag soil enters from the bottom end of the spiral slag pumping pipe and is discharged into the sieve net through the slag discharging pipe at the top end of the spiral slag pumping pipe;
s2, screening the residue soil into solid particles and slurry by a screen;
s3, pumping the slurry into a settling tank, separating the slurry into precipitates, and performing pressure filtration on the precipitates.
As another embodiment of the present application, the step S3 further includes:
after the slag pumping is finished, the motor is adjusted to rotate reversely to drive the spiral shaft in the spiral slag pumping pipe to rotate reversely, and residual slag soil on the spiral shaft is thrown out of the spiral slag pumping pipe to finish the cleaning of the spiral slag pumping pipe.
As another embodiment of the present application, the separating the sludge into the precipitate in S3 includes:
adding a flocculating agent into the sedimentation tank to separate sediment from the mud.
The shield slag tapping method provided by the invention has the beneficial effects that: compared with the prior art, the shield slag tapping method disclosed by the invention has the advantages that firstly, the motor is started to rotate in the forward direction to drive the spiral shaft in the spiral slag tapping pipe to rotate in the forward direction, and the slag soil enters from the bottom end of the spiral slag tapping pipe and is discharged into the screen mesh through the slag tapping pipe at the top end of the spiral slag tapping pipe; secondly, screening the residue soil into solid particles and slurry by using a screen; and finally, pumping the slurry into a settling tank, separating the slurry into precipitates, and carrying out pressure filtration on the precipitates. According to the shield slag discharging method, the lifting mechanism is arranged to realize movable slag discharging, and the plurality of motors and the plurality of spiral slag discharging pipes are arranged to simultaneously discharge slag, so that the slag discharging efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a shield suspension type automatic safe slag tapping device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a spiral slag tapping pipe and a slag tapping pipe provided in the embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a schematic top view of a first gear according to an embodiment of the present invention;
FIG. 5 is a schematic top view of a second gear according to an embodiment of the present invention;
FIG. 6 is a schematic top view of a first ratchet according to an embodiment of the present invention;
fig. 7 is a schematic top view of a second ratchet according to an embodiment of the present invention.
In the figure: 1. a hoisting mechanism; 2. a storage box; 3. a motor; 4. a spiral slag pumping pipe; 41. a screw shaft; 5. a slag pipe; 6. a slag-soil pond; 7. screening a screen; 8. slurry; 9. a particle storage area; 10. a slurry pump; 11. a filter press; 12. a first gear; 13. a second gear; 14. a first ratchet wheel; 141. a first drive tooth; 15. a second ratchet wheel; 151. a second gear; 16. residue soil; 17. and (5) installing a pipe.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2 together, the shield suspension type automatic safe slag tapping device provided by the present invention will now be described. The shield suspension type automatic safe slag discharging device comprises a hoisting mechanism 1, a plurality of spiral slag discharging pipes 4 and a slag discharging pipe 5. A storage box 2 is hung on a lifting hook of the hoisting mechanism 1, and a plurality of motors 3 are arranged in the storage box 2; the spiral slag-pumping pipes 4 are respectively and correspondingly connected with the motors 3, and the spiral slag-pumping pipes 4 are used for pumping the slag 16 by means of the motors 3; the slag discharging pipe 5 is respectively communicated with the spiral slag discharging pipes 4 and is used for guiding the slag 16 in the spiral slag discharging pipes 4 into the slag pool 6.
In the embodiment, a plurality of motors 3 are fixed in the storage box 2, and in order to ensure the stability of the motors 3 in the storage box 2, the motors 3 can be directly welded in the storage box 2; the hoisting mechanism 1 is a cantilever crane which can stably hoist the storage box; the same side of the spiral slag-pumping pipes 4 is respectively provided with an installation pipe 17, the installation pipes 17 are simultaneously communicated with the slag-discharging pipe 5, then the slag soil 16 extracted from the spiral slag-pumping pipes 4 is led into the slag-discharging pipe 5 and is discharged into a slag-soil pool 6, 4-5 groups of spiral slag-pumping pipes 4 are generally selected, and the diameter of each spiral slag-pumping pipe 4 is 200 mm; the motor 3 adopts three motors of 50kw, and the power supply of the motor 3 synchronously ensures that the slag pumping speed is consistent.
Compared with the prior art, the shield suspension type automatic safe slag discharging device provided by the invention has the advantages that the storage box 2 is suspended on the lifting hook of the lifting mechanism 1, the plurality of motors 3 are arranged in the storage box 2, and the lifting mechanism 1 can drive the motors 3 in the storage box 2 to realize movable slag discharging; the spiral slag-pumping pipes 4 are respectively and correspondingly connected with the motors 3, the spiral slag-pumping pipes 4 are used for pumping the slag 16 by means of the motors 3, and the motors 3 and the spiral slag-pumping pipes 4 are arranged for pumping the slag 16 at the same time, so that the slag-pumping efficiency can be improved; the slag discharging pipe 5 is respectively communicated with the spiral slag discharging pipes 4 and is used for guiding the slag 16 in the spiral slag discharging pipes 4 into the slag pool 6. The shield suspension type automatic safe slag discharging device provided by the invention is provided with the lifting mechanism 1, so that the slag is movably pumped, and the plurality of motors 3 and the plurality of spiral slag pipes 4 are arranged for simultaneously pumping the slag, so that the slag pumping efficiency is improved.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 3 to 7, the top end of the spiral slag-extracting pipe 4 is detachably connected to the storage tank 2, and optionally, the spiral slag-extracting pipe 4 is connected to the storage tank 2 through a flange. The spiral shaft 41 of the spiral slag-pumping pipe 4 is connected with the rotating shaft of the motor 3 through a gear, optionally, the spiral shaft 41 is provided with a gear, the rotating shaft of the motor 3 is provided with a gear matched with the gear on the spiral shaft 41, the spiral shaft 41 is connected with the motor 3 through the gear, when the motor 3 rotates reversely, the spiral shaft 41 is directly driven to rotate relative to the motor 3, when the motor 3 is connected with the spiral shaft 41 through the gear, the rotating speed of the spiral shaft 41 is reduced, and the service life of the spiral shaft 41 is prolonged. The connection of the spiral shaft 41 of the spiral slag-pumping pipe 4 and the rotating shaft of the motor 3 through a gear can also be: a first gear 12 and a second gear 13 are respectively arranged along the axial direction of a rotating shaft of the motor 3, the first gear 12 is positioned above the second gear 13, the first gear 12 and the second gear 13 are arranged below the storage box 2, a first ratchet wheel 14 and a second ratchet wheel 15 are respectively arranged along the axial direction of a spiral shaft 41 of the spiral slag-extracting pipe 4, the first ratchet wheel 14 is positioned above the second ratchet wheel 15, a first through hole and a second through hole are arranged on the side surface of the pipe wall of the spiral slag-extracting pipe 4, a bulge is arranged at the position of the spiral slag-extracting pipe 4 where the second ratchet wheel 15 is arranged, a second through hole is arranged on one side of the bulge so that the second ratchet wheel 15 can rotate in the spiral slag-extracting pipe 4, the first through hole is positioned above the second through hole, a first transmission tooth 141 is arranged on the periphery of the first ratchet wheel 14, the first transmission tooth 141 is meshed with the first gear 12 through the first through hole, a second transmission tooth 151 is arranged on the periphery of the second ratchet wheel, the second transmission gear 151 is meshed with the second gear 13 through a second through hole, the diameter of the first transmission gear 141 is smaller than that of the first gear 12, and the diameter of the second transmission gear 151 is larger than that of the second gear 13; the first ratchet wheel 14 and the second ratchet wheel 15 are set to always rotate one by one, namely when the motor 3 rotates forwards, the first gear 12 rotates and drives the first transmission tooth 141 to rotate, so as to drive the first ratchet wheel 14 to rotate, the second ratchet wheel 15 does not rotate, and the first ratchet wheel 14 is driven by the motor 3 to extract the muck 16; when the motor 3 rotates reversely, the second gear 13 drives the second transmission gear 151 to rotate, so as to drive the second ratchet wheel 15 to rotate, the first ratchet wheel 14 does not rotate, the second ratchet wheel 15 brushes away the residue soil 16 adhered on the spiral shaft 41 under the driving of the motor 3, and the spiral residue extraction pipe 4 is cleaned. The diameter of the first transmission gear 141 is smaller than that of the first gear 12 to increase the rotating speed of the screw shaft 41 because a larger driving force is required during slag extraction, and the rotating speed of the screw shaft 41 is reduced because a large amount of slag soil 16 accumulated in the spiral slag extraction pipe 4 is reduced after slag extraction is completed, so that the diameter of the second transmission gear 151 is larger than that of the second gear 13 to reduce the rotating speed of the screw shaft 41, and the rotating speed is reduced relative to that during forward rotation when the motor 3 rotates reversely, thereby reducing the rotating speed of the screw shaft 41 and further prolonging the service life of the screw shaft 41.
As a specific implementation manner of the embodiment of the present invention, not shown in the figure, the plurality of spiral slag-pumping pipes 4 are respectively provided with a flushing pipe, and moisture for flushing the spiral slag-pumping pipes 4 is provided to the flushing pipe by a booster pump. When the spiral slag-pumping pipe 4 is blocked, the spiral slag-pumping pipe 4 can be flushed by water through the booster pump, so that the spiral slag-pumping pipe 4 is opened, or after slag pumping is completed, residual slag soil 16 in the spiral slag-pumping pipe 4 is discharged through the combined action of the reverse rotation of the motor 3 and the flushing pipe.
Referring to fig. 1, a screen 7 is disposed above the residue soil pond 6, and optionally, the screen 7 is a linear vibrating screen, solid particles remaining on the linear vibrating screen are screened into a solid particle storage area 9, and slurry 8 enters the residue soil pond 6 through the linear vibrating screen.
Referring to fig. 1, as a specific implementation manner of the embodiment of the present invention, the shield suspension type automatic safe slag discharging apparatus further includes a slurry pump 10 and a filter press 11. The mud pump 10 can be a horizontal mud pump which pumps the mud 8 collected by the muck pool 6 into the sedimentation pool; the filter press 11 can be a plate and frame filter press 11, a flocculating agent is added into the slurry 8 in the sedimentation tank, the slurry 8 is pumped into the plate and frame filter press 11 after sedimentation, high-pressure filter pressing is carried out for 40-60min, finally, a mud cake and clear water are obtained, the water content of the mud cake is about 40%, and the resource recycling is realized.
The invention also provides a shield slag tapping method, which comprises the following steps:
s1: starting the motor 3 to rotate in the forward direction, driving a screw shaft 41 of a spiral slag-pumping pipe 4 connected with a first ratchet wheel 14 to rotate in the forward direction by a first gear 12 on the motor 3, and discharging the slag soil 16 into the linear vibrating screen from the bottom end of the spiral slag-pumping pipe 4 and through a slag-discharging pipe 5 at the top end of the spiral slag-pumping pipe;
s2: screening the residue soil 16 into solid particles and slurry 8 under the high-speed vibration of a linear vibrating screen;
s3: pumping the slurry 8 into a sedimentation tank by using a slurry pump 10, adding a flocculating agent into the sedimentation tank to precipitate the slurry 8, and performing filter pressing on the precipitate by using a filter press 11;
s4: after the slag is extracted, the motor 3 is adjusted to rotate reversely, the second gear 13 on the motor 3 drives the spiral shaft 41 of the spiral slag extracting pipe 4 connected with the first ratchet wheel 14 to rotate reversely, and residual slag 16 on the spiral shaft 41 is thrown out of the spiral slag extracting pipe 4, so that the cleaning of the spiral slag extracting pipe 4 is completed.
Because the diameter of the first transmission gear 141 is smaller than that of the first gear 12 and the diameter of the second transmission gear 151 is larger than that of the second gear 13, a larger speed can be provided when the dregs 16 are extracted, and after the dregs are extracted, the dregs 16 in the spiral dregs extracting pipe 4 are slowly thrown away, so that the service life of the spiral shaft 41 in the spiral dregs extracting pipe 4 is prolonged.
Compared with the prior art, the shield slag tapping method provided by the invention has the advantages that firstly, the motor 3 is started to rotate in the forward direction, the first gear 12 on the motor 3 drives the screw shaft 41 of the spiral slag tapping pipe 4 connected with the first ratchet wheel 14 to rotate in the forward direction, and the slag soil 16 enters from the bottom end of the spiral slag tapping pipe 4 and is quickly discharged into the linear vibrating screen through the slag tapping pipe 5 at the top end of the spiral slag tapping pipe; secondly, screening the residue soil 16 into solid particles and slurry 8 under the high-speed vibration of the linear vibrating screen; pumping the slurry 8 into the sedimentation tank by using a slurry pump 10 again, adding a flocculating agent into the sedimentation tank to precipitate the slurry 8, and performing filter pressing on the precipitate by using a filter press 11; and finally, after the slag is extracted, the motor 3 is adjusted to rotate reversely, the second gear 13 on the motor 3 drives the spiral shaft 41 of the spiral slag extracting pipe 4 connected with the first ratchet wheel 14 to rotate reversely, and residual slag 16 on the spiral shaft 41 is thrown out of the spiral slag extracting pipe 4, so that the cleaning of the spiral slag extracting pipe 4 is completed. The forward rotation and the reverse rotation of the motor 3 realize quick slag pumping and slow slag throwing, and the service life of the spiral shaft 41 is prolonged. The shield slag tapping method changes the speed of slag pumping and slag throwing of the motor 3 and prolongs the service life of the spiral shaft 41.
As a specific implementation manner of the embodiment of the present invention, in step S3, the flocculant added into the sedimentation tank is polyacrylamide, and the slurry 8 is sedimented by the action of the flocculant.
As a specific implementation manner of the embodiment of the present invention, in step S2, after the screen 7 divides the residue 16 into the solid particles and the slurry 8, the method further includes: the solid particles are screened into a particle storage zone 9 and the slurry 8 is screened through a screen 7 into a muck pond 6.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Shield constructs automatic safe slag discharging device of suspension type, its characterized in that includes:
the lifting mechanism is characterized in that a storage box is lifted on the lifting hook, and a plurality of motors are arranged in the storage box;
the spiral slag-pumping pipes are respectively and correspondingly connected with the motors and are used for pumping slag soil by virtue of the motors; and
and the slag discharging pipe is respectively communicated with the spiral slag discharging pipes and is used for guiding the slag in the spiral slag discharging pipes into the slag pool.
2. The shield suspension type automatic safe slag tapping device as claimed in claim 1, wherein the top end of the spiral slag-extracting pipe is detachably connected with the storage box; and a spiral shaft of the spiral slag pumping pipe is connected with a rotating shaft of the motor through a gear.
3. The shield suspension type automatic safety slag tapping device according to claim 1, wherein a plurality of the spiral slag-extracting pipes are respectively provided with a flushing pipe.
4. The shield suspension type automatic safety slag tapping device according to claim 1, wherein a screen for filtering the slag into slurry is disposed above the slag pool.
5. The shield suspension type automatic safety slag tapping device according to claim 4, further comprising:
the mud pump is used for pumping the mud into the sedimentation tank; and
and the filter press is used for filter pressing the precipitate in the slurry.
6. The shield suspension type automatic safety slag tapping device as claimed in claim 2, wherein the spiral slag tapping pipe is connected with the storage tank through a flange.
7. The shield suspension type automatic safety slag discharging device according to claim 1, wherein the hoisting mechanism is a cantilever crane.
8. A shield slag tapping method is characterized by comprising the following steps:
s1: the motor is started to rotate in the positive direction to drive the spiral shaft in the spiral slag pumping pipe to rotate in the positive direction, and the slag soil enters from the bottom end of the spiral slag pumping pipe and is discharged into the sieve net through the slag discharging pipe at the top end of the spiral slag pumping pipe;
s2, screening the residue soil into solid particles and slurry by a screen;
s3, pumping the slurry into a settling tank, separating the slurry into precipitates, and performing pressure filtration on the precipitates.
9. The shield deslagging method of claim 8, wherein said S3 is followed by:
after the slag pumping is finished, the motor is adjusted to rotate reversely to drive the spiral shaft in the spiral slag pumping pipe to rotate reversely, and residual slag soil on the spiral shaft is thrown out of the spiral slag pumping pipe to finish the cleaning of the spiral slag pumping pipe.
10. The shield deslagging method of claim 8, wherein said separating the mud from the precipitates in S3 includes:
adding a flocculating agent into the sedimentation tank to separate sediment from the mud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010272940.1A CN111335913A (en) | 2020-04-09 | 2020-04-09 | Shield suspension type automatic safe slag discharging device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010272940.1A CN111335913A (en) | 2020-04-09 | 2020-04-09 | Shield suspension type automatic safe slag discharging device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111335913A true CN111335913A (en) | 2020-06-26 |
Family
ID=71182630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010272940.1A Pending CN111335913A (en) | 2020-04-09 | 2020-04-09 | Shield suspension type automatic safe slag discharging device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111335913A (en) |
-
2020
- 2020-04-09 CN CN202010272940.1A patent/CN111335913A/en active Pending
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