CN114215536A - Shield tunneling machine with muck drying function and muck drying method thereof - Google Patents
Shield tunneling machine with muck drying function and muck drying method thereof Download PDFInfo
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- CN114215536A CN114215536A CN202111569409.1A CN202111569409A CN114215536A CN 114215536 A CN114215536 A CN 114215536A CN 202111569409 A CN202111569409 A CN 202111569409A CN 114215536 A CN114215536 A CN 114215536A
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- muck
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- shell
- slag
- drying
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- 238000001035 drying Methods 0.000 title claims abstract description 50
- 230000005641 tunneling Effects 0.000 title claims description 15
- 239000002893 slag Substances 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000002689 soil Substances 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000004575 stone Substances 0.000 description 6
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Images
Classifications
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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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
- B02C19/068—Jet mills of the fluidised-bed type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
- F26B17/20—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Food Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a shield machine with a muck drying function and a muck drying method thereof, comprising a plurality of dryers arranged in a shield cutter head; each dryer comprises a shell with a cylindrical structure, and a stirring dewatering tank and a sealing area which are mutually independent are arranged in the shell; a rotating shaft is arranged in the stirring dewatering tank, stirring blades in a spiral structure are arranged on the rotating shaft, and a plurality of circles of drying lamp tubes are annularly arranged on the inner wall of the stirring dewatering tank; two ends of the shell are respectively provided with a slag inlet and a slag outlet which are communicated with the interior of the shell; the sealing area is provided with and is used for driving the pivot around self axis pivoted drive arrangement, and the drying apparatus in this scheme realizes the stoving operation in shield structure cabin, has increased the synchronous throughput of shield structure abandonment dregs and efficiency, can realize the solid-liquid separation of grit, earth and water in the shield structure dregs for tunnel tunnelling operation recycles, promotes the resource value of shield structure abandonment dregs greatly, reduces total risk and the cost of shield structure abandonment dregs processing in-process.
Description
Technical Field
The invention relates to the technical field of shield equipment, in particular to a shield machine with a muck drying function and a muck drying method thereof.
Background
The shield method has the advantages of strong ground layer adaptation, high construction efficiency, low cost, relative safety and the like, and is widely applied to urban subway construction. The subway shield works by adding water, bentonite slurry, high molecular polymer, foaming agent and other modifying agents into the slag soil in front of the shield, so that a large amount of plastic slag soil flows during shield construction. In 2020, the length of the subway operation line in China (without harbor and Australian station) reaches 6280.8 kilometers, which is increased by 1100 kilometers in the last year, and the increase is 21.24 percent on year-on-year basis. If the diameter of the excavation section of the subway tunnel is calculated according to the common 7m, about 3.8 ten thousand square slag is discharged in each kilometer of excavation, nearly 4200 ten thousand square shield slag soil is generated in China only in this year 2020.
The existing synchronous treatment technology for the muck in the shield tunnel is more general, the treatment process has great influence on the shield tunneling efficiency, and the problems of silt leakage and dust dispersion are easy to occur, so that the pollution inside the shield tunneling machine is caused, and the normal operation of equipment is easy to be influenced. In addition, the muck treatment technology in the prior art needs to consume a large amount of water resources in the slurrying treatment, so that the waste of the water resources is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a shield machine with a muck drying function and a muck drying method thereof, and solves the problems of low efficiency and serious water resource waste of the existing shield muck treatment equipment.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the shield machine with the muck drying function comprises a shield machine main body, wherein a plurality of dryers are arranged in the shield machine main body; each dryer comprises a shell in a cylindrical structure, and a stirring dehydration tank and a sealing area which are mutually independent are arranged in the shell;
a rotating shaft is arranged in the stirring dewatering tank, stirring blades in a spiral structure are arranged on the rotating shaft, and a plurality of circles of drying lamp tubes are annularly arranged on the inner wall of the stirring dewatering tank; two ends of the shell are respectively provided with a slag inlet and a slag outlet which are communicated with the interior of the shell; the sealing area is provided with a driving device for driving the rotating shaft to rotate around the axis of the rotating shaft.
Further, a heat insulation layer is arranged in the shell.
Furthermore, a steam condenser communicated with the inside of the shell is arranged on the circumferential outer wall of the shell, and a water collecting pipe communicated with the screw conveyor is arranged on the steam condenser.
Furthermore, the number of the dryers is two, and the two dryers are arranged in the shield cutter head side by side;
the front ends of the two dryers are provided with three-port slag discharging devices, and each three-port slag discharging device comprises a slag discharging main pipe communicated with the screw conveyor and slag discharging branch pipes respectively communicated with the two slag inlets; a control switch for controlling the flow of the muck is arranged in each slag discharge branch pipe; the control switch comprises a sensing unit, a counting unit control unit and a valve.
Furthermore, a temperature control device for controlling the heating quantity of the drying lamp tube is arranged outside the shell.
Further, a vibrating screen is arranged between the slag discharge main pipe and the screw conveyor.
Further, two slag outlets are provided with belt conveyors. And the two slag outlets are obliquely arranged on the deviation belt conveyor.
Further, the driving device is a rotating motor.
This scheme still provides a shield constructs dregs stoving method of machine that possesses dregs stoving function, and it includes:
step 1: a cutter head in a shield tunneling machine main body rotates to shield a soil layer into muck, and the muck is sent into a spiral conveyor;
step 2: the residue soil is fed into a vibrating screen in the spiral conveyor, the vibrating screen vibrates the residue soil to prevent the residue soil from being blocked, and the residue soil is fed into a three-port residue discharging device;
and step 3: a sensing unit and a counting unit in the control switch are used for monitoring the flow condition in the three-port deslagging device, and the slag soil enters the two dryers through the two deslagging branch pipes respectively;
and 4, step 4: stirring blades in the dryer drive the dregs to move in the shell, the drying lamp tube works to generate heat, the evaporation of water in the dregs is accelerated, the dregs are dried, the evaporated water enters the steam condenser, the steam condenser recovers and condenses the water vapor to obtain clear water, and the obtained clear water is recycled;
and 5: and after the drying lamp tube works to the preset time, stopping working, continuously rotating the stirring blades, discharging dried muck into the belt conveyor from the slag outlet, and outputting the dried muck to the outside of the shield machine main body by the belt conveyor to completely dry the muck.
The invention has the beneficial effects that: 1. the drying apparatus in this scheme realizes the stoving operation in the shield constructs the cabin, has increased the synchronous throughput of shield structure abandonment dregs and efficiency, can realize the solid-liquid separation of grit, earth and water in the shield structure dregs for tunnel tunnelling operation recycles, promotes the resource value of shield structure abandonment dregs greatly, reduces total risk and the cost of shield structure abandonment dregs processing in-process.
2. Traditional drying-machine is bloied and is easily aroused the dregs raise dust, reduces the internal environment influence to the shield constructs the machine through the dry moisture dregs reduction of stoving fluorescent tube. The upper part of the dryer is provided with a steam condenser which can condense water vapor generated in the drying process, and condensed clear water can be directly recycled through the connected water collecting pipe. The treatment measure can avoid the problem of heavy metal pollution to peripheral land caused by leaching of heavy metal ions in the shield muck with water, and separated clear water can be directly used in other places, so that water resources are saved.
3. The control switch monitors the condition of the muck processed by the operation of the system and controls the feeding quantity of the system to avoid blockage caused by overload operation of the equipment, thereby improving the muck drying capacity and the smoothness of the operation of the equipment; the temperature control device is connected with the drying lamp tube, and the heating quantity of the drying lamp tube can be controlled according to the moisture content of the material, so that electricity is saved.
4. The vibrating screen can screen stone gravel with the grain size larger than 2 mm. High pressure water spray guns can be arranged above the vibrating screen at equal intervals and are used for crushing and washing separated soil and stones, so that silt and test blocks can be fully separated, and the treatment efficiency and the sand and stone quality of equipment are improved. Meanwhile, the high-pressure flushing can also effectively reduce the slurry blockage. The vibrating screen can be provided with mud guards around to prevent mud from splashing during washing to pollute the shield machine equipment.
Drawings
Fig. 1 is a schematic structural diagram of a shield tunneling machine with a muck drying function.
Fig. 2 is a schematic view of an internal structure of the dryer.
Fig. 3 is a schematic structural view of a three-port slag discharge device.
Fig. 4 is a schematic circuit diagram of the control switch.
Wherein, 1, a shield cutter head; 2. a dryer; 201. a housing; 202. a stirring dehydration tank; 203. a sealing region; 3. a rotating shaft; 4. a stirring blade; 5. drying the lamp tube; 6. a slag inlet; 7. a slag outlet; 8. a drive device; 9. a heat-insulating layer; 10. a steam condenser; 11. a screw conveyor; 12. a water collection pipe; 13. a three-port slag discharging device; 1301. a main slag discharge pipe; 1302. a slag discharge branch pipe; 14. a control switch; 15. vibrating screen; 16. a belt conveyor.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1 to 4, the shield machine with muck drying function provided by the invention comprises a shield machine main body 1, wherein a plurality of dryers 2 are arranged in the shield machine main body 1; each dryer 2 comprises a shell 201 in a cylindrical structure, and an agitation dewatering tank 202 and a sealing area 203 which are independent of each other are arranged in the shell 201.
A rotating shaft 3 is arranged in the stirring and dewatering tank 202, a stirring blade 4 in a spiral structure is arranged on the rotating shaft 3, and a plurality of circles of drying lamp tubes 5 are annularly arranged on the inner wall of the stirring and dewatering tank 202; two ends of the shell 201 are respectively provided with a slag inlet 6 and a slag outlet 7 which are communicated with the inside of the shell; the sealing area 203 is provided with a driving device 8 for driving the rotating shaft 3 to rotate around the axis thereof. The drive means 8 may preferably, but not exclusively, be a rotating motor.
A temperature control device for controlling the heating quantity of the drying lamp tube 5 is arranged outside the shell 201; the temperature control device is connected with the drying lamp tube 5, and the heating quantity of the drying lamp tube 5 can be controlled according to the moisture content of the material, so that electricity is saved.
The heat preservation layer 9 is arranged in the shell 201, and the heat preservation layer 9 can reduce the dissipation of the temperature in the shell 201 and improve the heat preservation effect and the drying efficiency; the material of the insulating layer 9 may be a material such as an insulating foam layer.
As shown in fig. 2, a steam condenser 10 communicated with the inside of the casing 201 is arranged on the circumferential outer wall of the casing 201, and a water collecting pipe 12 communicated with the screw conveyor 11 is arranged on the steam condenser 10; traditional drying-machine is bloied and is easily aroused the dregs raise dust, reduces the inside environmental impact of shield constructs the machine through 5 fluorescent tubes drying moisture dregs of stoving fluorescent tube. The upper part of the dryer 2 is provided with a steam condenser 10 which can condense the water vapor generated in the drying process, and the condensed clear water can be directly recycled through a water collecting pipe 12 connected with the dryer. The treatment measure can avoid the problem of heavy metal pollution to peripheral land caused by leaching of heavy metal ions in the shield muck with water, and separated clear water can be directly used in other places, so that water resources are saved.
As shown in fig. 3, preferably, but not limitatively, the number of the dryers 2 is two, and the two dryers 2 are placed in the shield cutterhead 1 side by side; the front ends of the two dryers 2 are provided with three-port slag discharging devices 13, and each three-port slag discharging device 13 comprises a slag discharging main pipe 1301 communicated with the screw conveyor 11 and slag discharging branch pipes 1302 respectively communicated with the two slag inlets 6; a control switch 14 for controlling the flow of the muck is arranged in each slag discharging branch pipe 1302; the control switch 14 comprises a sensing unit, a counting unit control unit and a valve.
Specifically, as shown in fig. 4, the control switch 14 includes a sensing unit, a counting unit control unit, and a valve; the sensing unit sends a counting starting signal to the counting unit when fluid flows in the pipeline, the counting unit is used for counting, and sends a control signal to the control unit when the counting exceeds a preset value, and the control valve closes the pipeline. The device also comprises a reset switch which is used for restoring the pipeline to an open state; the counting unit and the control unit are realized by a time relay; the counting unit is a timer or a flow meter.
The control switch 14 is arranged to monitor the condition of the muck treated during the operation of the system and control the feeding amount of the system so as to avoid blockage caused by overload operation of the equipment, thereby improving the muck drying capacity and the smoothness of the operation of the equipment.
A vibrating screen 15 is arranged between the slag discharging main pipe 1301 and the spiral conveyor 11, and the vibrating screen 15 can screen stone gravel with the grain size larger than 2 mm. High pressure water spray guns can be arranged above the vibrating screen 15 at equal intervals and are used for crushing and washing separated soil and stones, so that silt and test blocks can be fully separated, and the treatment efficiency and the sand and stone quality of equipment are improved. Meanwhile, the high-pressure flushing can also effectively reduce the slurry blockage. The vibrating screen 15 can be provided with mud guards around to prevent mud from splashing during washing to pollute the shield machine equipment.
In order to conveniently discharge dried slag from the drying chamber and intensively discharge the dried slag from the shield machine cabin, belt conveyors 16 are arranged at the two slag outlets 7. Both slag outlets 7 are inclined towards the belt conveyor 16.
This scheme still provides a shield constructs dregs stoving method of machine that possesses dregs stoving function, and it includes:
step 1: a cutter head in a shield tunneling machine main body 1 rotates to shield a soil layer into muck, and the muck is sent into a spiral conveyor 11;
step 2: the residue soil is sent into a vibrating screen 15 in the spiral conveyor 11, the vibrating screen 15 vibrates the residue soil to prevent the residue soil from being blocked, and the residue soil is sent into a three-port residue discharging device 13;
and step 3: a sensing unit and a counting unit in the control switch are used for monitoring the flow condition in the three-port deslagging device, and the slag soil respectively enters the two dryers through the two deslagging branch pipes 1302;
and 4, step 4: stirring blades 4 in the dryer 2 drive the dregs to move in the shell, a drying lamp tube 5 works to generate heat, the evaporation of water in the dregs is accelerated, the dregs are dried, the evaporated water enters a steam condenser 10, the steam condenser 10 recovers and condenses the water vapor to obtain clear water, and the obtained clear water is recycled;
and 5: after the drying lamp tube 5 works for a preset time, the operation is stopped, the stirring blades 4 continuously rotate, the dried muck is discharged into the belt conveyor 16 from the slag outlet, and the belt conveyor 16 outputs the dried muck to the outside of the shield machine main body 1, so that the muck is completely dried.
Claims (9)
1. A shield machine with a muck drying function is characterized by comprising a shield machine main body, wherein a plurality of dryers are arranged in the shield machine main body; each dryer comprises a shell in a cylindrical structure, and a stirring and dewatering tank and a sealing area which are mutually independent are arranged in the shell;
a rotating shaft is arranged in the stirring dewatering tank, stirring blades in a spiral structure are arranged on the rotating shaft, and a plurality of circles of drying lamp tubes are annularly arranged on the inner wall of the stirring dewatering tank; two ends of the shell are respectively provided with a slag inlet and a slag outlet which are communicated with the interior of the shell; the sealing area is provided with a driving device for driving the rotating shaft to rotate around the axis of the rotating shaft.
2. The shield tunneling machine with the muck drying function according to claim 1, wherein a heat insulation layer is arranged in the shell.
3. The shield tunneling machine with the muck drying function according to claim 2, wherein a steam condenser communicated with the inside of the shell is arranged on the circumferential outer wall of the shell, and a water collecting pipe communicated with the screw conveyor is arranged on the steam condenser.
4. The shield tunneling machine with the muck drying function according to claim 3, wherein the number of the dryers is two, and the two dryers are arranged in the shield cutterhead side by side;
the front ends of the two dryers are provided with three-port slag discharging devices, and each three-port slag discharging device comprises a slag discharging main pipe communicated with the screw conveyor and slag discharging branch pipes respectively communicated with the two slag inlets; a control switch for controlling the flow of the muck is arranged in each slag discharge branch pipe; the control switch comprises a sensing unit, a counting unit control unit and a valve.
5. The shield tunneling machine with muck drying function according to claim 4, wherein a temperature control device for controlling the heating amount of the drying lamp tubes is arranged outside the shell.
6. The shield tunneling machine with the muck drying function according to claim 5, wherein a vibrating screen is arranged between the main muck discharging pipe and the screw conveyor.
7. The shield tunneling machine with the muck drying function according to claim 4, wherein a belt conveyor is arranged at each of the two slag outlets. And the two slag outlets are deviated from the inclined arrangement of the belt conveyor.
8. The shield machine with muck drying function according to claim 1, wherein the driving device is a rotating motor.
9. The method for drying the muck of the shield tunneling machine with the muck drying function according to any one of claims 1 to 8, comprising the following steps:
step 1: a cutter head in a shield tunneling machine main body rotates to shield a soil layer into muck, and the muck is sent into a spiral conveyor;
step 2: the residue soil is fed into a vibrating screen in the spiral conveyor, the vibrating screen vibrates the residue soil to prevent the residue soil from being blocked, and the residue soil is fed into a three-port residue discharging device;
and step 3: a sensing unit and a counting unit in the control switch are used for monitoring the flow condition in the three-port deslagging device, and the slag soil enters the two dryers through the two deslagging branch pipes respectively;
and 4, step 4: stirring blades in the dryer drive the dregs to move in the shell, the drying lamp tube works to generate heat, the evaporation of water in the dregs is accelerated, the dregs are dried, the evaporated water enters the steam condenser, the steam condenser recovers and condenses the water vapor to obtain clear water, and the obtained clear water is recycled;
and 5: and after the drying lamp tube works to the preset time, stopping working, continuously rotating the stirring blades, discharging dried muck into the belt conveyor from the slag outlet, and outputting the dried muck to the outside of the shield machine main body by the belt conveyor to completely dry the muck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111569409.1A CN114215536B (en) | 2021-12-21 | 2021-12-21 | Shield machine with residue soil drying function and residue soil drying method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111569409.1A CN114215536B (en) | 2021-12-21 | 2021-12-21 | Shield machine with residue soil drying function and residue soil drying method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114215536A true CN114215536A (en) | 2022-03-22 |
| CN114215536B CN114215536B (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111569409.1A Active CN114215536B (en) | 2021-12-21 | 2021-12-21 | Shield machine with residue soil drying function and residue soil drying method thereof |
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| Country | Link |
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| CN (1) | CN114215536B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772899A (en) * | 2022-04-27 | 2022-07-22 | 成理科技(成都)股份有限公司 | Shield muck treatment device and using method |
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| CN114260106A (en) * | 2021-12-21 | 2022-04-01 | 成理科技(成都)股份有限公司 | Earth pressure balance shield muck grading treatment system |
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2021
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| CN209835930U (en) * | 2019-02-28 | 2019-12-24 | 长沙和熙环保科技有限公司 | Subway shield constructs sludge treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772899A (en) * | 2022-04-27 | 2022-07-22 | 成理科技(成都)股份有限公司 | Shield muck treatment device and using method |
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| Publication number | Publication date |
|---|---|
| CN114215536B (en) | 2024-07-09 |
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