CN110902867A - Shield tunneling machine pulling type solid-liquid separation system and separation method - Google Patents
Shield tunneling machine pulling type solid-liquid separation system and separation method Download PDFInfo
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- CN110902867A CN110902867A CN201911281072.7A CN201911281072A CN110902867A CN 110902867 A CN110902867 A CN 110902867A CN 201911281072 A CN201911281072 A CN 201911281072A CN 110902867 A CN110902867 A CN 110902867A
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- 238000000926 separation method Methods 0.000 title claims abstract description 81
- 239000007788 liquid Substances 0.000 title claims abstract description 78
- 230000005641 tunneling Effects 0.000 title claims abstract description 26
- 239000002002 slurry Substances 0.000 claims abstract description 150
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000010802 sludge Substances 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 17
- 238000012216 screening Methods 0.000 claims abstract description 16
- 239000010865 sewage Substances 0.000 claims abstract description 15
- 239000000047 product Substances 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims abstract description 6
- 239000006228 supernatant Substances 0.000 claims abstract description 4
- 238000009412 basement excavation Methods 0.000 claims description 20
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 abstract description 9
- 239000004575 stone Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 239000002699 waste material Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a pulling type solid-liquid separation system and a pulling type solid-liquid separation method of a shield tunneling machine, wherein the pulling type solid-liquid separation system comprises a trolley frame arranged behind a shield tunneling system, and the trolley frame is provided with the solid-liquid separation system; the structure of the solid-liquid separation system is that the undersize of the pre-sieve is connected with the inlet of the cyclone, the heavy phase outlet of the cyclone is connected with the dewatering sieve, and the undersize of the dewatering sieve is connected with the pulp storage tank; the slurry storage tank is connected with the inlet of the cyclone; a supernatant outlet of the cyclone is connected with an overflow tank, an overflow port of the overflow tank is connected with a slurry purifying tank, and the slurry purifying tank is provided with a second sewage pump to return purified slurry to the shield system; oversize products of the pre-screening and the dewatering screen are conveyed to a slag hopper car. The separation method is characterized in that an online viscosity sensor is arranged in a pipeline near a sludge discharge pump. A switch pulling type solid-liquid separation system and a ground muddy water treatment system. The invention can carry out solid-liquid separation treatment of slurry at any time along with the tunneling of the shield system, thereby reducing the discharge and conveying amount of sand and stone.
Description
Technical Field
The invention relates to the field of slurry treatment, in particular to a pulling type solid-liquid separation system and a pulling type solid-liquid separation method for a shield tunneling machine.
Background
In the shield tunneling of the tunnel, a muddy water balance shield needs to be provided with a muddy water treatment system and a waste slurry treatment system on the ground so as to meet the recycling of shield slurry. The slurry discharged by the shield system usually contains solids with different particle sizes, such as sand, stone, mud and the like, and the slurry treatment process is complex and occupies large area. For a specific hard rock stratum, as the tunneling products are mainly broken stones with different sizes, fine mud is less, the difficulty of solid-liquid separation is lower than that of slurry, and the tunneling can be carried out in situ in a tunnel. Thereby greatly improving the treatment efficiency and reducing the treatment energy consumption. The chinese patent document CN110439573A is a device and method for moving, dredging and flushing a tunnel, which uses a slurry treatment system mounted on a trolley, but the treatment system has a weak treatment capability, and can only be used for treating slurry with a very low viscosity, and the treatment capability is insufficient for slurry with a low sand content.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a pulling type solid-liquid separation system and a pulling type solid-liquid separation method for a shield machine, which can be used for carrying out slurry solid-liquid separation treatment at any time along with the tunneling of the shield system, reducing the sand and stone discharge conveying amount, reducing the energy consumption and supplying the water consumption in the slurry-water balance construction process of the shield system by using the treated circulating water. In the preferred scheme, the viscosity of the slurry can be detected on line, the phenomenon that the slurry with overlarge viscosity influences the working efficiency of the pulling type solid-liquid separation system is avoided, and the overall treatment efficiency is improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a pulling type solid-liquid separation system of a shield machine comprises a trolley frame arranged behind the shield machine, wherein the trolley frame is provided with the solid-liquid separation system;
the structure of the solid-liquid separation system is that the undersize of the pre-sieve is connected with the inlet of the cyclone, the heavy phase outlet of the cyclone is connected with the dewatering sieve, and the undersize of the dewatering sieve is connected with the pulp storage tank;
the slurry storage tank is connected with the inlet of the cyclone;
a supernatant outlet of the cyclone is connected with an overflow tank, an overflow port of the overflow tank is connected with a slurry purifying tank, and the slurry purifying tank is provided with a second sewage pump to return purified slurry to the shield system;
oversize products of the pre-screening and the dewatering screen are conveyed to a slag hopper car.
In the preferred scheme, a pre-screening groove is arranged under the screen of the pre-screening, and a dewatering screen groove is arranged under the screen of the dewatering screen;
the pre-screening groove and the dewatering screening groove are connected with a pulp storage groove, and the pulp storage groove is connected with an inlet of the cyclone through a slurry pump.
In the preferred scheme, a slurry supplementing opening is further arranged at the bottom of the overflow box, and a liquid level control device is arranged at the position of the slurry supplementing opening.
In a preferred scheme, the liquid level control device is a ball float valve or a float tank valve.
In the preferred scheme, the pre-screening, the dewatering screen and the cyclone are positioned at the top of the trolley frame;
the overflow box is positioned in the middle of the trolley frame;
the slurry storage tank and the slurry purifying tank are positioned on one side of the trolley frame.
In the preferred scheme, a balance groove is further arranged and is positioned on the other side of the trolley frame opposite to the pulp purifying groove;
the balance tank is connected with the slurry purifying tank through a pipeline, and a valve is arranged on the pipeline.
In the preferred scheme, the solid-liquid separation system is connected with the outlet of the sludge discharge pump through a slurry inlet pipe of the solid-liquid separation system, the inlet of the sludge discharge pump is connected with the position, close to the bottom, of an excavation bin of the shield system, and the outlet of the sludge discharge pump is also connected with a ground slurry treatment system.
In the preferred scheme, a first stop valve is arranged on a connecting pipeline between the sludge pump and the ground sludge water treatment system, a second stop valve is arranged on a slurry inlet pipe of the solid-liquid separation system, and an online viscosity sensor is arranged on a pipeline near the sludge pump.
In the preferred scheme, the balance tank or the slurry purifying tank is also connected with an excavation cabin of the shield system through a sewage pump and a pipeline, and the pipeline is also provided with a flow sensor.
A separation method adopting the pulling type solid-liquid separation system of the shield tunneling machine comprises the following steps:
s1, detecting the viscosity of the slurry through an online viscosity sensor;
s2, when the viscosity of the slurry exceeds a preset value, opening the first stop valve, closing the second stop valve, conveying the slurry to a ground slurry treatment system, and conveying the slurry to an excavation bin after the slurry is treated by the ground slurry treatment system;
when the viscosity of the slurry is lower than a preset value, closing the first stop valve, opening the second stop valve, conveying the slurry to a solid-liquid separation system, and conveying the slurry to an excavation bin after the slurry is treated by the solid-liquid separation system;
s3, the clean slurry processed by the solid-liquid separation system is preferentially used, and when the flow sensor detects that the clean slurry conveyed by the solid-liquid separation system is insufficient, the flow sensor is switched to a ground slurry processing system to supply slurry to the excavated bin;
through the steps, the mud is separated by fully utilizing the pull-type solid-liquid separation system of the shield tunneling machine.
The pulling type solid-liquid separation system and the separation method of the shield machine provided by the invention can be used for carrying out slurry solid-liquid separation treatment at any time along with the tunneling of the shield system, reducing the sand and stone discharge conveying amount, reducing the energy consumption and supplying the treated circulating water to the water consumption in the slurry balance construction process of the shield system. In a preferable scheme, the arranged on-line viscosity sensor is matched with the switching of the valve, so that the on-line viscosity sensor can be automatically switched to different treatment schemes according to the viscosity of the slurry, for example, the slurry with lower viscosity, for example, the slurry with sand content more than 50%, is switched to a pull-type solid-liquid separation system for separation, and the slurry with higher viscosity, for example, the slurry with sand content less than 50%, is switched to a ground mud-water treatment system for separation. Thereby greatly improving the slurry treatment efficiency. The flow sensor arranged at the position of the slurry inlet pipe of the shield machine can ensure the water consumption of the excavation bin in the slurry balance shield construction process. When the treatment capacity of the pull-type solid-liquid separation system is insufficient, water is supplemented through the ground mud-water treatment system. The invention can greatly improve the treatment efficiency of the shield slurry and reduce the energy consumption for treating the slurry, in particular to reduce the energy consumption generated in the slurry conveying process.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic cross-sectional view of a solid-liquid separation system according to the present invention.
FIG. 2 is a perspective view of a solid-liquid separation system according to the present invention.
FIG. 3 is a process flow diagram of the present invention.
In the figure: the system comprises a prescreening screen 1, a cyclone 2, a dewatering screen 3, a balance tank 4, a third sewage pump 5, a slurry cleaning tank 6, a dewatering screen tank 7, a second sewage pump 8, a slurry pump 9, an overflow tank 10, a liquid level control device 11, a slurry storage tank 12, a prescreening tank 13, a sludge discharge pump 14, a slag hopper car 15, a shield machine slurry inlet pipe 16, a ground waste slurry pipe 17, a solid-liquid separation system slurry inlet pipe 18, a trolley frame 19, a tunnel ring sheet 20, an online viscosity sensor 21, a first stop valve 22, a second stop valve 23, a flow sensor 24, a slurry pump 25, a ground slurry treatment system 26, a ground waste slurry pool 27, an excavation bin 28 and a one-way valve 29.
Detailed Description
Example 1:
as shown in fig. 1 to 3, a pulling type solid-liquid separation system of a shield machine comprises a trolley frame 19 arranged behind the shield machine, wherein the trolley frame 19 is provided with the solid-liquid separation system;
the structure of the solid-liquid separation system is that the undersize of the pre-sieve 1 is connected with the inlet of the cyclone 2, the heavy phase outlet of the cyclone 2 is connected with the dewatering sieve 3, and the undersize of the dewatering sieve 3 is connected with the pulp storage tank 12;
the slurry storage tank 12 is connected with the inlet of the cyclone 2;
a supernatant outlet of the cyclone 2 is connected with an overflow tank 10, an overflow port of the overflow tank 10 is connected with a slurry purifying tank 6, and the slurry purifying tank 6 is provided with a second sewage pump 8 to return the purified slurry to the shield system;
oversize products of the pre-screen 1 and the dewatering screen 3 are conveyed to a slag hopper car 15. With the structure, the slurry of the excavation bin 28 in the shield system is conveyed to the slurry inlet pipe 18 of the solid-liquid separation system through the sludge discharge pump 14, and then the slurry treatment following the shield system can be realized. The treatment steps comprise a pre-screening step 1 and a cyclone separation and dewatering screen step 3, wherein the solid matter of the silt and stone can be discharged into a slag hopper car 15 to be transported out, the clean slurry enters a clean slurry tank 6 and is returned to a shield system through a sewage pump to be used for water for slurry balance shield construction.
In a preferred scheme, as shown in figure 3, a pre-screening groove 13 is arranged below the screen of the pre-screening 1, and a dewatering screen groove 7 is arranged below the screen of the dewatering screen 3;
the pre-screening groove 13 and the dewatering screening groove 7 are connected with a pulp storage groove 12, and the pulp storage groove 12 is connected with the inlet of the cyclone 2 through a slurry pump 9.
In a preferred scheme, a slurry supplementing opening is further arranged at the bottom of the overflow box 10, and a liquid level control device 11 is arranged at the position of the slurry supplementing opening. In a preferred embodiment, the liquid level control device 11 is a ball float valve or a tank float valve.
The preferred scheme is as shown in fig. 1 and 2, wherein the pre-screen 1, the dewatering screen 3 and the cyclone 2 are positioned at the top of the trolley frame 19;
the overflow box 10 is positioned in the middle of the trolley frame 19;
the stock chest 12 and the clear grout chest 6 are located on one side of the trolley frame 19.
In the preferred scheme, a balance groove 4 is further arranged, and the balance groove 4 is positioned at the other side of the trolley frame 19 opposite to the slurry purifying groove 6;
the balance tank 4 is connected with the slurry cleaning tank 6 through a pipeline, and a valve and a pump are arranged on the pipeline. As shown in fig. 3, a second sewage pump 8 is arranged at the outlet of the slurry purifying tank 6, and by switching valves, the second sewage pump 8 can feed slurry into the balancing tank 4 to balance the whole trolley frame 19, and the second sewage pump 8 can also directly feed slurry into the excavation bin 28 through the slurry inlet pipe 16 of the shield tunneling machine. The outlet of the balance groove 4 is provided with a third sewage pump 5 which can also supply slurry into the excavation bin 28 through the slurry inlet pipe 16 of the shield machine. The equalization tank 4 and the clean slurry tank 6 can also supply slurry to the surface slurry treatment system 26 or the surface slurry tank 27 through the surface slurry waste pipe 17. The surface slurry waste pipe 17 is also provided with a check valve 29 so that slurry can be supplied only to the surface slurry treatment system 26 or the surface slurry tank 27.
In a preferred scheme, as shown in fig. 3, the solid-liquid separation system is connected with an outlet of a dredge pump 14 through a slurry inlet pipe 18 of the solid-liquid separation system, an inlet of the dredge pump 14 is connected with a position, close to the bottom, of an excavation bin 28 of the shield system, and an outlet of the dredge pump 14 is also connected with a ground slurry treatment system 26.
In a preferable mode, a first stop valve 22 is arranged on a connecting pipeline between the sludge pump 14 and the ground sludge water treatment system 26, a second stop valve 23 is arranged on the slurry inlet pipe 18 of the solid-liquid separation system, and an online viscosity sensor 21 is arranged on a pipeline near the sludge pump 14. The online viscosity sensor 21 is a commercially available product, such as YFV series of Shenzhen yatai photoelectricity, or online viscometer of Jiangsu genine electronic technology development Limited.
In general, during the shield construction process, different terrains are penetrated, for example, part of terrains have high sand content, and part of terrains have high mud content, especially terrains rich in clay, under these geological conditions, the sand content in the slurry discharged by the shield construction is low, for example, less than 50%, due to too high viscosity, the treatment effect by using the pull-type solid-liquid separation system is not ideal, and the water supply during the slurry balance shield construction process in the excavation bin 28 is also insufficient. By adopting the scheme of arranging the on-line viscosity sensor 21, when the slurry with higher viscosity is conveyed to the surface mud water treatment system 26 for treatment, equipment such as a filter press, a flocculation sedimentation tank and the like is adopted for treatment. And is supplied with water from the ground waste slurry tank 27 to ensure the continuity of water use during the shield construction process.
In a preferred scheme, as shown in fig. 3, the balance tank 4 or the clean slurry tank 6 is further connected with an excavation chamber of the shield system through a sewage pump and a pipeline, and a flow sensor 24 is further arranged on the pipeline. The flow sensor 24 is used for monitoring the water supply of the dragging and hanging type solid-liquid separation system, 1 is to ensure the construction requirement, and 2 is to avoid the air suction of each sewage pump to damage equipment.
Example 2:
a separation method adopting the pulling type solid-liquid separation system of the shield tunneling machine comprises the following steps:
s1, detecting the viscosity of the slurry through the online viscosity sensor 21;
s2, when the viscosity of the slurry exceeds a preset value, opening the first stop valve 22, closing the second stop valve 23, conveying the slurry to the ground slurry treatment system 26, treating the slurry by the ground slurry treatment system 26, and conveying the slurry to the excavation bin 28;
when the viscosity of the slurry is lower than a preset value, closing the first stop valve 22, opening the second stop valve 23, conveying the slurry to a solid-liquid separation system, treating the slurry by the solid-liquid separation system, and then conveying the slurry to an excavation bin 28; according to the scheme, the treatment capacity of the pull-type solid-liquid separation system is fully utilized.
S3, the clean slurry processed by the solid-liquid separation system is preferentially used, and when the flow sensor 24 detects that the clean slurry conveyed by the solid-liquid separation system is insufficient, the flow sensor is switched to the ground slurry processing system 26 to supply slurry to the excavation bin 28; by the scheme, sufficient construction water supply is ensured.
Through the steps, the mud is separated by fully utilizing the pull-type solid-liquid separation system of the shield tunneling machine.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the technical features described in the present invention can be combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a shield constructs quick-witted pulling type solid-liquid separation system, includes set up bogie frame (19) behind the shield constructs the system, characterized by: a solid-liquid separation system is arranged on the trolley frame (19);
the structure of the solid-liquid separation system is that the undersize of the pre-sieve (1) is connected with the inlet of the cyclone (2), the heavy phase outlet of the cyclone (2) is connected with the dewatering sieve (3), and the undersize of the dewatering sieve (3) is connected with the slurry storage tank (12);
the slurry storage tank (12) is connected with the inlet of the cyclone (2);
a supernatant outlet of the cyclone (2) is connected with an overflow tank (10), an overflow port of the overflow tank (10) is connected with a slurry purifying tank (6), and the slurry purifying tank (6) is provided with a second sewage pump (8) so as to return the purified slurry to the shield system;
oversize products of the pre-sieve (1) and the dewatering sieve (3) are conveyed to a slag hopper car (15).
2. The pulling type solid-liquid separation system of the shield tunneling machine according to claim 1, which is characterized in that: a pre-screening groove (13) is arranged under the screen of the pre-screening (1), and a dewatering screen groove (7) is arranged under the screen of the dewatering screen (3);
the pre-screening groove (13) and the dewatering screening groove (7) are connected with a pulp storage groove (12), and the pulp storage groove (12) is connected with the inlet of the cyclone (2) through a slurry pump (9).
3. The pulling type solid-liquid separation system of the shield tunneling machine according to claim 1, which is characterized in that: the bottom of the overflow box (10) is also provided with a slurry supplementing opening, and a liquid level control device (11) is arranged at the position of the slurry supplementing opening.
4. The pulling type solid-liquid separation system of the shield tunneling machine as claimed in claim 3, wherein: the liquid level control device (11) is a ball float valve or a float tank valve.
5. The pulling type solid-liquid separation system of the shield tunneling machine according to claim 1, which is characterized in that: the pre-screen (1), the dewatering screen (3) and the cyclone (2) are positioned at the top of the trolley frame (19);
the overflow box (10) is positioned in the middle of the trolley frame (19);
the pulp storage tank (12) and the pulp purifying tank (6) are positioned on one side of the trolley frame (19).
6. The pulling type solid-liquid separation system of the shield tunneling machine according to claim 1, which is characterized in that: the device is also provided with a balance groove (4), and the balance groove (4) is positioned on the other side of the trolley frame (19) opposite to the slurry purifying groove (6);
the balance tank (4) is connected with the slurry cleaning tank (6) through a pipeline, and a valve is arranged on the pipeline.
7. The pulling type solid-liquid separation system of the shield tunneling machine according to any one of claims 1 to 6, characterized in that: the solid-liquid separation system is connected with an outlet of a sludge discharge pump (14) through a slurry inlet pipe (18) of the solid-liquid separation system, an inlet of the sludge discharge pump (14) is connected with a position, close to the bottom, of an excavation cabin (28) of the shield system, and an outlet of the sludge discharge pump (14) is also connected with a ground slurry treatment system (26).
8. The pulling type solid-liquid separation system of the shield tunneling machine as claimed in claim 7, wherein: a first stop valve (22) is arranged on a connecting pipeline between the sludge pump (14) and the ground sludge water treatment system (26), a second stop valve (23) is arranged on a slurry inlet pipe (18) of the solid-liquid separation system, and an online viscosity sensor (21) is arranged on a pipeline near the sludge pump (14).
9. The pulling type solid-liquid separation system of the shield tunneling machine according to claim 6 or 8, wherein: the balance groove (4) or the slurry purifying groove (6) is also connected with an excavation cabin of the shield system through a sewage pump and a pipeline, and a flow sensor (24) is also arranged on the pipeline.
10. A separation method using the shield tunneling machine pulling type solid-liquid separation system according to any one of claims 8 to 9, characterized by comprising the steps of:
s1, detecting the viscosity of the slurry through the online viscosity sensor (21);
s2, when the viscosity of the slurry exceeds a preset value, opening the first stop valve (22), closing the second stop valve (23), conveying the slurry to a ground slurry treatment system (26), treating the slurry by the ground slurry treatment system (26), and then conveying the slurry to an excavation bin (28);
when the viscosity of the slurry is lower than a preset value, closing the first stop valve (22), opening the second stop valve (23), conveying the slurry to the solid-liquid separation system, treating the slurry by the solid-liquid separation system, and then conveying the slurry to the excavation bin (28);
s3, the clean slurry processed by the solid-liquid separation system is preferentially used, and when the flow sensor (24) detects that the clean slurry conveyed by the solid-liquid separation system is insufficient, the flow sensor is switched to the ground slurry processing system (26) to supply slurry to the excavation bin (28);
through the steps, the mud is separated by fully utilizing the pull-type solid-liquid separation system of the shield tunneling machine.
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| CN201911281072.7A CN110902867B (en) | 2019-12-10 | 2019-12-10 | Pull-type solid-liquid separation system and method for shield tunneling machine |
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| CN201911281072.7A CN110902867B (en) | 2019-12-10 | 2019-12-10 | Pull-type solid-liquid separation system and method for shield tunneling machine |
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| CN110902867B CN110902867B (en) | 2023-11-17 |
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| CN109252871A (en) * | 2018-10-08 | 2019-01-22 | 中铁华隧联合重型装备有限公司 | Mud water type TBM and slurry-water balance type shield machine and its control method |
| CN110340112A (en) * | 2019-07-18 | 2019-10-18 | 三川德青工程机械有限公司 | The integrated treatment of earth pressure balanced shield, EPBS dregs and resource ecology utilize method and system |
| CN211521797U (en) * | 2019-12-10 | 2020-09-18 | 三川德青工程机械有限公司 | Shield constructs quick-witted pulling type solid-liquid separation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664210A (en) * | 2020-12-10 | 2021-04-16 | 中交疏浚技术装备国家工程研究中心有限公司 | Intelligent control system for muck treatment of earth pressure balance shield and application |
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