CN113818890A - Double-slurry storage, pulping and conveying integrated system in tunnel for shield construction and using method - Google Patents
Double-slurry storage, pulping and conveying integrated system in tunnel for shield construction and using method Download PDFInfo
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- CN113818890A CN113818890A CN202111218552.6A CN202111218552A CN113818890A CN 113818890 A CN113818890 A CN 113818890A CN 202111218552 A CN202111218552 A CN 202111218552A CN 113818890 A CN113818890 A CN 113818890A
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- 238000003860 storage Methods 0.000 title claims abstract description 89
- 239000002002 slurry Substances 0.000 title claims abstract description 56
- 238000010276 construction Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004537 pulping Methods 0.000 title claims description 18
- 238000003756 stirring Methods 0.000 claims abstract description 99
- 239000000843 powder Substances 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 239000011344 liquid material Substances 0.000 claims abstract description 18
- 238000009700 powder processing Methods 0.000 claims abstract description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 31
- 239000000440 bentonite Substances 0.000 claims description 31
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 31
- 239000003381 stabilizer Substances 0.000 claims description 25
- 239000004568 cement Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000005303 weighing Methods 0.000 claims description 10
- 230000005641 tunneling Effects 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000013019 agitation Methods 0.000 description 3
- 239000011440 grout Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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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
- E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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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
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
- E21D9/0609—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering with means for applying a continuous liner, e.g. sheets of plastics, between the main concrete lining and the rock
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a double-slurry storage and slurrying conveying integrated system in a tunnel for shield construction and a using method thereof. The double-slurry storage and slurrying conveying integrated system in the tunnel for shield construction comprises a bearing system, a powder system, a liquid material system, a stirring system, a storage system and an electric control system; the bearing module is a rail type trolley, the powder processing system is arranged on a top platform of the bearing module, the stirring system, the storage system and the electric control system are all arranged on a side platform of the bearing module, and the liquid system is arranged in the electric control system. The double-slurry storage and slurrying conveying integrated system in the tunnel for shield construction and the using method thereof solve the technical problems that synchronous grouting equipment in the prior art occupies a large amount of space of a trolley and cannot synchronously run with a shield machine.
Description
Technical Field
The invention relates to the field of shield construction, in particular to a double-slurry storage and slurry making and conveying integrated system in a tunnel for shield construction and a using method.
Background
With the rapid development of urban subway construction in China, the shield method is widely adopted with the advantages of high efficiency, safety and environmental protection. Synchronous grouting is used as an important process in the shield propelling process and is of great importance for controlling surface subsidence, inhibiting surrounding rock deformation and the like. The existing synchronous grouting material is mainly divided into single-grout and double-grout, the double-grout has short gelation time and high early strength, and is widely applied to shield construction of soft soil stratum and water-rich stratum. But traditional biliquid slip casting equipment need be at ground preparation A liquid cement thick liquid, carry into the tunnel through track storage battery car, along with the deepening in tunnel, transport the distance and constantly increase and influence the efficiency of construction, produce a large amount of energy consumptions, and the easy stifled pipe of mode through the pipeline transport, the thick liquid problem of abandoning still can produce not the slip casting for a long time.
The problem can be solved by erecting the complete set of equipment of the double-liquid grouting equipment on the track trolley and synchronously running along with the shield tunneling machine. However, the existing synchronous grouting equipment occupies a large amount of space of a trolley due to large grouting amount, such as in a tunnel for pulping. Therefore, the prior art only adopts the technical scheme that the whole set of equipment for secondary grouting is erected on a track trolley and synchronously runs along with a shield tunneling machine. Because secondary grouting is an alternative process for performing supplementary grouting on synchronous grouting, the grouting amount is extremely small, equipment is extremely small, and the problem of occupying a large amount of space of a trolley is solved.
Disclosure of Invention
In order to solve the technical problems that synchronous grouting equipment in the prior art occupies a large amount of space of a trolley and cannot synchronously run with a shield machine, the invention provides a double-fluid-slurry-storage, slurry-making and conveying integrated system in a tunnel for shield construction and a using method thereof.
A double-slurry storage and slurrying conveying integrated system in a tunnel for shield construction comprises a bearing system, a powder system, a liquid material system, a stirring system, a storage system and an electric control system; the bearing module is a rail type trolley and comprises two rows of upright posts arranged along a rail, a top platform arranged at the top between the two rows of upright posts and a side platform arranged at the outer sides of the two rows of upright posts far away from each other, the powder processing system is arranged on the top platform, the stirring system, the storage system and the electric control system are all arranged on the side platform, and the liquid material system is arranged in the electric control system; the powder system is connected with the stirring system through a conveyor, the liquid system is connected with the stirring system through a pumping pipeline, the stirring system is connected with the storage system through a pumping pipeline, and the electric control system is connected with the powder system, the liquid system, the stirring system and the storage system through circuits.
In a preferred embodiment of the dual-slurry storage, slurrying and conveying integrated system in the tunnel for shield construction provided by the invention, the powder system comprises a bentonite bin and a cement powder bin, and the bottoms of the bentonite bin and the cement powder bin are respectively connected with the stirring system through a screw conveyer. The device also comprises a dust collecting tank which is connected with the bentonite bin and the top of the cement powder bin through pipelines.
In a preferred embodiment of the dual-slurry storage, pulping and conveying integrated system in the tunnel for shield construction provided by the invention, the liquid material system comprises a stabilizer box, a clear water pipeline and a liquid material pump; the clear water pipeline is connected with the stirring system, and two ends of the liquid material pump are respectively connected with the stabilizer box and the stirring system through pipelines.
In a preferred embodiment of the dual-slurry storage and slurrying transportation integrated system in the tunnel for shield construction provided by the invention, the stirring system comprises a stirring tank, a stirring motor and a stirring pump, the stirring tank is connected with the screw conveyor and the liquid material pump, the stirring motor is arranged outside the stirring tank and connected with blades in the stirring tank, and two ends of the stirring pump are respectively connected with the stirring tank and the storage system through pipelines.
In a preferred embodiment of the dual-slurry storage and slurrying transportation integrated system in the tunnel for shield construction provided by the invention, the storage system comprises a storage tank, a storage motor and a storage pump, the storage tank is connected with the stirring pump, the storage motor is arranged outside the storage tank and connected with blades in the storage tank, one end of the storage pump is connected with the storage tank through a pipeline, and the other end of the storage pump is connected with the pipeline and extends to the tail part of the shield machine.
In a preferred embodiment of the dual-slurry storage, pulping and conveying integrated system in the tunnel for shield construction provided by the invention, the electric control system comprises an electric control chamber, and the liquid material system, a total electric cabinet, a display cabinet and a frequency converter cabinet are arranged in the electric control chamber; the display cabinet is connected with the main electric cabinet through a circuit, the frequency converter cabinet is connected with the main electric cabinet, and motors in the liquid material system, the stirring system and the storage system are connected through a circuit; and the main electric cabinet is connected with an operation console of the shield tunneling machine through a circuit.
In a preferred embodiment of the dual-slurry storage and slurrying conveying integrated system in the tunnel for shield construction, the bentonite bin and the cement powder bin are both provided with powder metering devices; a liquid level sensor is arranged in the stabilizer box, and a weighing system is arranged at the bottom of the stabilizer box; the bottom of the storage tank is provided with a weighing system; the powder metering device, the liquid level sensor and the weighing system are all connected with the total electric cabinet through circuits.
A use method of a double-slurry storage, pulping and conveying integrated system in a tunnel for shield construction comprises the following steps:
step 1: conveying the cement powder and the bentonite powder into the powder system for storage in a pneumatic pumping mode respectively, and storing a stabilizer in a stabilizer box;
step 2: conveying the stabilizer into the stirring system, adding a certain proportion of clear water, and starting the stirring system to stir the stabilizer and the clear water;
and step 3: conveying the bentonite powder into the stirring system according to a certain proportion, and continuously stirring;
and 4, step 4: after the bentonite powder is uniformly stirred, conveying the cement powder into the stirring system according to a certain proportion, and continuously stirring to finish the stirring of the A liquid slurry;
and 5: conveying the slurry A to the storage system for storage;
step 6: and conveying the A liquid slurry in the storage system to the tail part of the shield tunneling machine, mixing the A liquid slurry with water glass, and injecting the mixture into the surrounding rock gap to finish double-liquid grouting.
In a preferred embodiment of the method for using the dual-slurry storage, pulping and conveying integrated system in the tunnel for shield construction, the method comprises two or more sets of stirring systems, wherein part of the stirring systems only execute the step 2, and the other part of the stirring systems only execute the step 3 after adding clear water, and stirring bentonite slurry;
step 3.5 is inserted before said step 4: adding the bentonite slurry stirred by the stirring system for executing the step 3 into the stirring system for executing the step 2, and continuously stirring.
Compared with the prior art, the double-slurry storage and slurrying conveying integrated system in the tunnel for shield construction integrates all raw material storage, slurry preparation and slurry conveying into the bearing system, and realizes dust-free slurrying in the shield tunnel.
The stirring outside the tunnel and the horizontal long-distance slurry transportation inside the tunnel are omitted, and the traditional shield construction organization design is optimized. The risk and the problem of slurry abandoning caused by long-time unused slurry are reduced, the construction efficiency is effectively improved, and the construction quality is improved. The weight and the amount of horizontal transportation caused by shield grouting are reduced, and the energy consumption is greatly reduced.
Drawings
FIG. 1 is a schematic structural diagram of a double-slurry storage and slurrying conveying integrated system in a tunnel for shield construction at a side view angle, provided by the invention;
FIG. 2 is a schematic structural view of a double-slurry storage and slurrying conveying integrated system in a tunnel for shield construction from a front view;
FIG. 3 is an enlarged view of a portion of the powder system of FIG. 1;
FIG. 4 is an enlarged view of a portion of the blending system of FIG. 1;
FIG. 5 is a schematic view of the mixing system from a top view;
FIG. 6 is an enlarged view of a portion of the storage system of FIG. 1;
FIG. 7 is a schematic view of the storage system from a top view;
FIG. 8 is an enlarged view of a portion of the electronic control system of FIG. 1;
fig. 9 is a schematic structural diagram of the electronic control system in a top view.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 and fig. 2, the two-slurry storage, slurrying and conveying integrated system 1 in a tunnel for shield construction is shown in two views and a front view, respectively. Comprises a bearing system 2, a powder system 3, a liquid system 4, a stirring system 5, a storage system 6 and an electric control system 7.
The bearing system 2 is a rail-type trolley, and comprises two rows of upright posts arranged along a rail and a top platform arranged at the top between the two rows of upright posts to form a square frame 21. The right side (in the view of fig. 1) of the frame 21 is connected with the tail of the shield tunneling machine.
And three gaps at the top and two sides exist between the frame 21 and the circular tunnel. The powder system 3 is arranged on the top platform at the top gap. A group of side platforms are respectively arranged at the gaps at the two sides, and the stirring system 5, the storage system 6 and the electric control system 7 are sequentially arranged on the side platforms from left to right (under the view angle of fig. 1). The stirring system 5 and the storage system 6 both comprise two sets, and are respectively arranged on two sides of the frame 21. The liquid material system 4 is small in size and is arranged in the electric control system 7.
Referring to fig. 3, a partial enlarged view of the powder system 3 in fig. 1 is shown.
The powder system 3 comprises two bentonite bins 31, six cement powder bins 32, a dust collecting tank 33 and four horizontal screw conveyors 34. Two bentonite feed bins 31 are located the frame 21 top left side to the axial symmetry in tunnel sets up. The six cement powder bins 32 are arranged on the right side of the top of the frame 21 in a three-three symmetrical layout.
The dust collecting tank 33 is arranged between the bentonite bin 31 and the cement powder bin 32, and is connected with the tops of all the bentonite bin 31 and the cement powder bin 32 through pipelines. The bottom discharge openings of the two bentonite bins 31 are respectively connected with one horizontal screw conveyor 34, and the bottom discharge openings of the three cement powder bins 32 on the same side are jointly connected with one horizontal screw conveyor 34.
Please refer to fig. 4 and fig. 5, which are a partially enlarged view of the stirring system 5 of fig. 1 and a schematic structural diagram thereof in a top view, respectively.
The two sets of stirring systems 5 are respectively arranged on the side platforms at the gap between the two sides of the frame 21 and the tunnel. The agitation system 5 includes an agitation tank 51, an agitation motor 52, and a first hose squeeze pump (not shown in the drawings). The stirring tank 51 has a two-stage structure, in which the upper tank is connected to two horizontal screw conveyors 34 on the side close to the upper tank, and the lower tank is connected to the input end of the first hose extrusion pump. The two tank bodies are internally provided with paddles for stirring, and the outer parts of the two tank bodies are respectively provided with the stirring motor 52 for driving the paddles to rotate.
Please refer to fig. 6 and fig. 7, which are an enlarged view of a portion of the storage system 6 in fig. 1 and a schematic structural diagram thereof in a top view, respectively.
The two sets of storage systems 6 are respectively arranged on the side platforms at the gap between the two sides of the frame 21 and the tunnel. The storage system 6 includes a storage tank 61, a storage motor 62, and a second hose squeeze pump 63. The storage tank 61 is also of a two-stage structure, wherein the upper tank is connected to the output of the first hose extrusion pump, and the lower tank is connected to the input of the second hose extrusion pump 63. The output end of the second hose extrusion pump 63 is connected with the pipeline and extends to the tail part of the shield tunneling machine. The two tank bodies are internally provided with paddles for stirring, and the outside of the two tank bodies is provided with the storage motor 62 for driving the paddles to rotate.
Please refer to fig. 8 and fig. 9, which are a partially enlarged view of the electronic control system 7 in fig. 1 and a schematic structural diagram thereof in a top view, respectively.
The electric control system 7 is arranged on a side platform at the gap between one side of the frame 21 and the tunnel. The electric control system 7 comprises an electric control chamber 71, and the liquid material system 4, a total electric cabinet 72, a display cabinet 73, a frequency converter cabinet 74, an air compressor 75 and a bin control cabinet 76 which are arranged in the electric control chamber 71.
The liquid material system 4 comprises a stabilizer tank 41, a third hose extrusion pump 42 and a clean water pipeline (not shown in the drawing). The input end of the third hose extrusion pump 42 is connected with the stabilizer tank 41, the output end is connected with the upper tank body of the stirring tank 51 through a pipeline, and the clean water pipeline is connected with the upper tank body of the stirring tank 51 through a water pump.
The main electric cabinet 72 is provided with a PLC programmable controller, and the display cabinet 73 is provided with a touch control screen and is connected with the PLC programmable controller to control the touch control screen. The frequency converter cabinet 74 is connected to the main electric cabinet 72, and is connected to the horizontal screw conveyor 34, the stirring motor 52, the first hose squeeze pump, the storage motor 62, the second hose squeeze pump 63, the third hose squeeze pump 42, and the motor of the water pump.
Pneumatic valves are arranged at the material inlet and the material outlet of each bentonite bin 31 and each cement powder bin 32; and pneumatic valves are arranged on the first hose extrusion pump, the second hose extrusion pump 63, the third hose extrusion pump 42 and inlet and outlet end pipelines of the water pump. The pneumatic valve is controlled by the main electric cabinet 72 to open and close, and the air compressor 75 supplies pressure.
In addition, each of the bentonite bin 31 and the cement powder bin 32 is internally provided with a powder metering device for metering the input and output of powder; a weighing system is arranged at the bottom of the lower-level tank body of the storage tank 61 to measure the feeding amount of the A slurry; a liquid level sensor is arranged in the stabilizer box 41, and a weighing system is arranged at the bottom of the stabilizer box to measure the feeding amount of the stabilizer. The powder metering device, the liquid level sensor and the weighing system are all connected with the main electric cabinet 72 through circuits, and the opening and closing of each motor and the pneumatic valve are controlled according to metering data.
The bentonite bin 31 and the cement powder bin 32 supplement powder in a pneumatic pumping mode. Controlled by the bin control cabinet 76.
The PLC system of the main electric cabinet 72 is also used for implanting an operation interface into a shield machine operation table through a can bus, and the double-slurry storage, pulping and conveying integrated system 1 in the tunnel for shield construction can be directly controlled on the shield machine operation table.
The display cabinet 73 comprises a pulping control screen, a pump set control screen and a remote supply control screen. And according to the system, a plurality of functions including a manual mode, a semi-automatic mode, a full-automatic mode, an exception list query, an exception record query, a pump set operation picture, a weighing system setting and correcting system, a history report query, a frequency converter setting and the like are formed.
The operation flow of the double-slurry storage, pulping and conveying integrated system 1 in the tunnel for shield construction is as follows:
step 1: cement powder and bentonite powder are respectively conveyed to the cement powder bin 32 and the bentonite bin 31 by adopting an air pressure pumping mode for storage, a stabilizer is stored in the stabilizer box 41, and the clear water pipeline is connected to an external water source in an abutting mode;
step 2: the stabilizer is conveyed to the upper-level tank body of the stirring tank 51 through the third hose extrusion pump 42, a certain proportion of clear water is added, and the stirring motor 52 is started to stir the stabilizer and the clear water;
and step 3: conveying the bentonite powder into a higher-level tank body of the stirring tank 51 according to a certain proportion by the horizontal screw conveyor 34, and continuously stirring;
and 4, step 4: after the bentonite powder is uniformly stirred, the cement powder is conveyed into a higher-level tank body of the stirring tank 51 by the horizontal screw conveyor 34 according to a certain proportion, and the stirred A liquid slurry is temporarily stored in a lower-level tank body of the stirring tank 51;
and 5: the slurry A after being stirred is conveyed into a higher-level tank body of the storage tank 61 through the first hose extrusion pump for short-term storage;
step 6: and transferring the A slurry to be used into a lower-level tank body of the storage tank 61, conveying the A slurry to the tail part of the shield tunneling machine through the second hose extrusion pump 63, mixing the A slurry with water glass, and injecting the mixture into the surrounding rock gap to finish double-liquid grouting.
Further, since two sets of the stirring system 5 and the storage system 6 are provided, the above processes can be separately completed, or one set of the stirring system 5 only executes the step 2, and one set of the stirring system 5 adds clean water and only executes the step 3.
In this case, step 3.5 is inserted before step 4: adding the bentonite slurry stirred in the stirring system 5 for executing the step 3 into the stirring system 5 for executing the step 2, and continuously stirring.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a shield constructs construction and stores up slurrying and carries integrated system with two thick liquids in tunnel which characterized in that: the device comprises a bearing system, a powder system, a liquid system, a stirring system, a storage system and an electric control system; the bearing module is a rail type trolley and comprises two rows of upright posts arranged along a rail, a top platform arranged at the top between the two rows of upright posts and a side platform arranged at the outer sides of the two rows of upright posts far away from each other, the powder processing system is arranged on the top platform, the stirring system, the storage system and the electric control system are all arranged on the side platform, and the liquid material system is arranged in the electric control system; the powder system is connected with the stirring system through a conveyor, the liquid system is connected with the stirring system through a pumping pipeline, the stirring system is connected with the storage system through a pumping pipeline, and the electric control system is connected with the powder system, the liquid system, the stirring system and the storage system through circuits.
2. The in-tunnel double-slurry storage, pulping and conveying integrated system for shield construction according to claim 1, characterized in that: the powder system comprises a bentonite bin and a cement powder bin, and the bottoms of the bentonite bin and the cement powder bin are respectively connected with the stirring system through a screw conveyer.
3. The in-tunnel double-slurry storage, pulping and conveying integrated system for shield construction according to claim 2, characterized in that: the powder system also comprises a dust collecting tank which is connected with the tops of the bentonite bin and the cement powder bin through pipelines.
4. The dual-slurry storage and slurrying conveying integrated system in the tunnel for shield construction according to claim 2 or 3, wherein the dual-slurry storage and slurrying conveying integrated system comprises: the liquid material system comprises a stabilizer box, a clear water pipeline and a liquid material pump; the clear water pipeline is connected with the stirring system, and two ends of the liquid material pump are respectively connected with the stabilizer box and the stirring system through pipelines.
5. The in-tunnel double-slurry storage, pulping and conveying integrated system for shield construction according to claim 4, characterized in that: the stirring system comprises a stirring tank, a stirring motor and a stirring pump, wherein the stirring tank is connected with the screw conveyer and the liquid pump, the stirring motor is arranged outside the stirring tank and connected with blades in the stirring tank, and two ends of the stirring pump are respectively connected with the stirring tank and the storage system through pipelines.
6. The in-tunnel double-slurry storage, pulping and conveying integrated system for shield construction according to claim 5, characterized in that: the storage system includes the holding vessel, stores the motor, stores the pump, the holding vessel with the agitator pump is connected, store the motor and locate outside the holding vessel and with paddle in the holding vessel is connected, store pump one end with the holding vessel passes through the pipe connection, and other end connecting tube says and extends to the shield structure machine afterbody.
7. The in-tunnel double-slurry storage, pulping and conveying integrated system for shield construction according to claim 6, characterized in that: the electric control system comprises an electric control chamber, and the liquid material system, a total electric cabinet, a display cabinet and a frequency converter cabinet are arranged in the electric control chamber; the display cabinet is connected with the main electric cabinet through a circuit, the frequency converter cabinet is connected with the main electric cabinet, and motors in the liquid material system, the stirring system and the storage system are connected through a circuit; and the main electric cabinet is connected with an operation console of the shield tunneling machine through a circuit.
8. The in-tunnel double-slurry storage, pulping and conveying integrated system for shield construction according to claim 7, characterized in that: the bentonite bin and the cement powder bin are both provided with powder metering devices; a liquid level sensor is arranged in the stabilizer box, and a weighing system is arranged at the bottom of the stabilizer box; the bottom of the storage tank is provided with a weighing system; the powder metering device, the liquid level sensor and the weighing system are all connected with the total electric cabinet through circuits.
9. A use method of the dual-slurry storage, pulping and conveying integrated system in the tunnel for shield construction according to any one of claims 1 to 8 is characterized by comprising the following steps:
step 1: conveying the cement powder and the bentonite powder into the powder system for storage in a pneumatic pumping mode respectively, and storing a stabilizer in a stabilizer box;
step 2: conveying the stabilizer into the stirring system, adding a certain proportion of clear water, and starting the stirring system to stir the stabilizer and the clear water;
and step 3: conveying the bentonite powder into the stirring system according to a certain proportion, and continuously stirring;
and 4, step 4: after the bentonite powder is uniformly stirred, conveying the cement powder into the stirring system according to a certain proportion, and continuously stirring to finish the stirring of the A liquid slurry;
and 5: conveying the slurry A to the storage system for storage;
step 6: and conveying the A liquid slurry in the storage system to the tail part of the shield tunneling machine, mixing the A liquid slurry with water glass, and injecting the mixture into the surrounding rock gap to finish double-liquid grouting.
10. The use method of the dual-slurry storage, pulping and conveying integrated system in the tunnel for shield construction according to claim 9 is characterized in that: the method comprises two or more sets of stirring systems, wherein part of the stirring systems only execute the step 2, and part of the stirring systems only execute the step 3 after adding clear water, and stirring bentonite slurry;
step 3.5 is inserted before said step 4: adding the bentonite slurry stirred by the stirring system for executing the step 3 into the stirring system for executing the step 2, and continuously stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111218552.6A CN113818890A (en) | 2021-10-20 | 2021-10-20 | Double-slurry storage, pulping and conveying integrated system in tunnel for shield construction and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111218552.6A CN113818890A (en) | 2021-10-20 | 2021-10-20 | Double-slurry storage, pulping and conveying integrated system in tunnel for shield construction and using method |
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| CN113818890A true CN113818890A (en) | 2021-12-21 |
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| CN202111218552.6A Withdrawn CN113818890A (en) | 2021-10-20 | 2021-10-20 | Double-slurry storage, pulping and conveying integrated system in tunnel for shield construction and using method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352316A (en) * | 2021-11-30 | 2022-04-15 | 中交隧道工程局有限公司 | Slurry mixing system for synchronous double-liquid grouting of shield tunnel |
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2021
- 2021-10-20 CN CN202111218552.6A patent/CN113818890A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352316A (en) * | 2021-11-30 | 2022-04-15 | 中交隧道工程局有限公司 | Slurry mixing system for synchronous double-liquid grouting of shield tunnel |
| CN114352316B (en) * | 2021-11-30 | 2024-03-19 | 中交隧道工程局有限公司 | Slurry stirring system for synchronous double-liquid grouting of shield tunnel |
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Application publication date: 20211221 |