CN209908518U - Double-fluid synchronous grouting system for shield engineering - Google Patents
Double-fluid synchronous grouting system for shield engineering Download PDFInfo
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- CN209908518U CN209908518U CN201920422900.3U CN201920422900U CN209908518U CN 209908518 U CN209908518 U CN 209908518U CN 201920422900 U CN201920422900 U CN 201920422900U CN 209908518 U CN209908518 U CN 209908518U
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Abstract
The utility model discloses a shield constructs synchronous slip casting system of biliquid thick liquid for engineering belongs to tunnel engineering technical field, has solved the loss that current synchronous slip casting system slip casting volume can not compensate the soil layer, leads to the sunken problem of building, and its technical characteristic is: including main grouting area, washing valves, A liquid agitator tank and B liquid agitator tank, through the pipe intercommunication between A liquid agitator tank and the B liquid agitator tank, and the pipe between A liquid agitator tank and the B liquid agitator tank and first grouting pump intercommunication, first grouting pump and main grouting area intercommunication still set up between first grouting pump and the main grouting area and wash the valves, the utility model discloses an automatic control of slip casting process has reduced the stratum subsidence volume, guarantees the safety of surrounding environment, and it is convenient to wash simultaneously, can avoid the deposit of thick liquid, is favorable to going on smoothly of construction.
Description
Technical Field
The utility model relates to a tunnel engineering technical field especially relates to a shield constructs synchronous slip casting system of double liquid thick liquid for engineering.
Background
Need use the shield machine to carry out the shield tunnelling in tunnel construction process, after the shield machine shell breaks away from the section of jurisdiction, will have certain building space between section of jurisdiction and the natural soil body, the existence of this kind of space will probably lead to following unfavorable consequence:
1) natural soil mass collapses causing the ground to sink;
2) pore water accumulation increases the possibility of water leakage among the pipe pieces;
3) the pipe piece is deformed and dislocated due to lack of constraint under the action of the jack.
In the shield tunneling process, double-liquid-slurry synchronous grouting is adopted, the gelling time of the double-liquid-slurry synchronous grouting is short, the double-liquid-slurry synchronous grouting can be accurately controlled within several seconds to dozens of minutes, and the shield tunneling construction method has the advantages that the double-liquid-slurry synchronous grouting is adopted:
1) the stratum can be filled as early as possible, the stratum subsidence is reduced, and the safety of the surrounding environment is ensured.
2) The early stability of the segment lining and the compactness of the gap are ensured.
3) As a first line of defense for lining waterproofing, the waterproof lining provides a long-term, homogeneous and stable waterproofing function.
4) As the reinforcing layer of the tunnel lining structure, the composite material has durability and certain strength, fills the building gap in time, reduces the influence of shield construction on the ground as much as possible, and is used as a waterproof and structural reinforcing layer outside the duct piece.
However, the grouting amount of the existing synchronous grouting system cannot compensate for the loss of soil layers, so that the buildings sink, and therefore, the double-fluid synchronous grouting system for the shield engineering is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shield constructs synchronous slip casting system of biliquid thick liquid for engineering, including main slip casting district, washing valves, A liquid agitator tank and B liquid agitator tank, through the pipe intercommunication between A liquid agitator tank and the B liquid agitator tank, and the pipe between A liquid agitator tank and the B liquid agitator tank with first grouting pump intercommunication, first grouting pump and main slip casting district intercommunication still set up the washing valves between first grouting pump and the main slip casting district to solve the loss that current synchronous slip casting system grouting volume can not compensate the soil layer, lead to the sunken problem of building.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a shield constructs synchronous slip casting system of biliquid thick liquid for engineering, includes main slip casting district, washing valves, A liquid agitator tank and B liquid agitator tank, through the pipe intercommunication between A liquid agitator tank and the B liquid agitator tank, and the pipe between A liquid agitator tank and the B liquid agitator tank with first grouting pump intercommunication, first grouting pump and main slip casting district intercommunication still set up between first grouting pump and the main slip casting district and wash the valves.
As a further aspect of the present invention: the cleaning valve group comprises a first throttle valve, a second throttle valve and a third throttle valve, the first throttle valve and the second throttle valve are installed on a conduit between the main grouting area and the first grouting pump, the third throttle valve is communicated with a conduit between the main grouting area and the first grouting pump, and the other end of the third throttle valve is communicated with the sewage tank.
As a further aspect of the present invention: all be equipped with the water filling port on A liquid agitator tank and the B liquid agitator tank, and the water filling port on A liquid agitator tank and the B liquid agitator tank all communicates with the ground delivery pipe, A liquid agitator tank still communicates with ground cement conveyer pipe, still installs the second grouting pump on the A liquid agitator tank, and second grouting pump and secondary grouting mouth intercommunication are equipped with A liquid fluid infusion mouth and B liquid fluid infusion mouth in the secondary grouting mouth, and B liquid fluid infusion mouth and B liquid agitator tank intercommunication.
As a further aspect of the present invention: the ground water supply pipe is also communicated with the water tank, the water tank is provided with a cooling water pump and a cleaning water pump, the water tank is communicated with the main grouting area through a guide pipe, and a fourth throttle valve is arranged on a connecting guide pipe between the water tank and the main grouting area.
As a further aspect of the present invention: the main grouting area comprises a liquid A lead-in pipe, a liquid B lead-in pipe, a cleaning water lead-in pipe, an AB liquid grouting gun and a cleaning pneumatic valve group, wherein the liquid A lead-in pipe and the liquid B lead-in pipe are communicated with the AB liquid grouting gun, and the AB liquid grouting gun and the cleaning water lead-in pipe are communicated with the cleaning pneumatic valve group.
As a further aspect of the present invention: and a standby grouting area is also arranged below the main grouting area, and the structure of the standby grouting area is the same as that of the main grouting area.
To sum up, the beneficial effects of the utility model are that: the arrangement of the ground water supply pipe can realize water supply to the liquid A stirring box and the liquid B stirring box, the uniformity of slurry is ensured, and the arrangement of the ground cement conveying pipe can ensure that slurry is conveyed into the liquid A stirring box; the utility model discloses an automatic control of slip casting process has reduced stratum settlement volume, guarantees the safety of surrounding environment, and it is convenient to wash simultaneously, can avoid the deposit of thick liquid, is favorable to going on smoothly of construction.
Drawings
Fig. 1 is a schematic structural diagram of the utility model.
Fig. 2 is a schematic structural diagram of the main grouting area in the utility model.
Fig. 3 is a schematic structural view of the pneumatic valve set for cleaning in the utility model.
In the figure: 1-main grouting area, 2-sewage tank, 3-standby grouting area, 4-secondary grouting port, 5-cleaning valve bank, 6-first grouting pump, 7-second grouting pump, 8-A liquid stirring tank, 9-ground cement conveying pipe, 10-water tank, 11-ground water supply pipe, 12-B liquid stirring tank, 13-cooling water pump, 14-cleaning water pump, 15-A liquid inlet pipe, 16-B liquid inlet pipe, 17-cleaning water inlet pipe, 18-AB liquid grouting gun, 19-cleaning pneumatic valve bank, 20-first throttle valve, 21-second throttle valve and 22-third throttle valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, in the embodiment of the present invention, a double-fluid synchronous grouting system for shield engineering comprises a main grouting area 1, a cleaning valve group 5, an a-fluid stirring tank 8 and a B-fluid stirring tank 12, wherein the a-fluid stirring tank 8 is communicated with the B-fluid stirring tank 12 through a conduit, the conduit between the a-fluid stirring tank 8 and the B-fluid stirring tank 12 is communicated with a first grouting pump 6, the first grouting pump 6 is communicated with the main grouting area 1, and the cleaning valve group 5 is further arranged between the first grouting pump 6 and the main grouting area 1;
the cleaning valve group 5 comprises a first throttle valve 20, a second throttle valve 21 and a third throttle valve 22, the first throttle valve 20 and the second throttle valve 21 are installed on a conduit communicated between the main grouting area 1 and the first grouting pump 6, the third throttle valve 22 is communicated with a conduit communicated between the main grouting area 1 and the first grouting pump 6, and the other end of the third throttle valve 22 is communicated with the sewage tank 2;
the liquid A stirring tank 8 and the liquid B stirring tank 12 are both provided with water injection ports, the water injection ports on the liquid A stirring tank 8 and the liquid B stirring tank 12 are both communicated with a ground water supply pipe 11, and the ground water supply pipe 11 can realize water supply to the liquid A stirring tank 8 and the liquid B stirring tank 12, so that the uniformity of slurry is ensured;
the liquid A stirring box 8 is also communicated with a ground cement conveying pipe 9, and the ground cement conveying pipe 9 can ensure that slurry is conveyed into the liquid A stirring box 8;
a second grouting pump 7 is also arranged on the liquid A stirring box 8, and the second grouting pump 7 is communicated with the secondary grouting port 4;
a liquid A replenishing port and a liquid B replenishing port are arranged in the secondary grouting port 4, and the liquid B replenishing port is communicated with a liquid B stirring box 12;
the ground water supply pipe 11 is also communicated with a water tank 10, a cooling water pump 13 and a cleaning water pump 14 are installed on the water tank 10, the water tank 10 is communicated with the main grouting area 1 through a guide pipe, a fourth throttle valve is installed on a connecting guide pipe of the water tank 10 and the main grouting area 1, and the water tank 10 can provide cleaning water for the main grouting area 1;
the main grouting area 1 comprises a liquid A introducing pipe 15, a liquid B introducing pipe 16, a cleaning water introducing pipe 17, an AB liquid grouting gun 18 and a cleaning pneumatic valve bank 19, wherein the liquid A introducing pipe 15 and the liquid B introducing pipe 16 are both communicated with the AB liquid grouting gun 18, and the AB liquid grouting gun 18 and the cleaning water introducing pipe 17 are both communicated with the cleaning pneumatic valve bank 19;
main grouting area 1's below still sets up reserve grouting area 3, and reserve grouting area 3's structure is the same with main grouting area 1, and reserve grouting area 3's setting can replace main grouting area 1 to accomplish grouting work when main grouting area 1 breaks down, has guaranteed the job progress of slip casting.
To sum up, the utility model discloses a theory of operation is: when needs slip casting, open A liquid agitator tank 8 and B liquid agitator tank 12, then the thick liquid in A liquid agitator tank 8 and the B liquid agitator tank 12 is carried to main slip casting district 1 by the pipe, through the 18 blowout of AB liquid slip casting rifle, the utility model discloses an automatic control of slip casting process has reduced the stratum subsidence volume, guarantees the safety of surrounding environment, and it is convenient to wash simultaneously, can avoid the deposit of thick liquid, is favorable to going on smoothly of construction.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the invention and for the convenience of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a shield constructs synchronous slip casting system of biliquid thick liquid for engineering, includes main slip casting district (1), washs valves (5), A liquid agitator tank (8) and B liquid agitator tank (12), its characterized in that, through the pipe intercommunication between A liquid agitator tank (8) and B liquid agitator tank (12), and the pipe between A liquid agitator tank (8) and B liquid agitator tank (12) with first grouting pump (6) intercommunication, first grouting pump (6) and main slip casting district (1) intercommunication still set up between first grouting pump (6) and main slip casting district (1) and wash valves (5).
2. The double-fluid synchronous grouting system for shield construction according to claim 1, wherein the cleaning valve group (5) comprises a first throttle valve (20), a second throttle valve (21) and a third throttle valve (22), the first throttle valve (20) and the second throttle valve (21) are installed on a conduit between the main grouting area (1) and the first grouting pump (6), the third throttle valve (22) is communicated with a conduit between the main grouting area (1) and the first grouting pump (6), and the other end of the third throttle valve (22) is communicated with the sewage tank (2).
3. The double-fluid synchronous grouting system for the shield engineering according to claim 2, wherein the fluid mixing tank A (8) and the fluid mixing tank B (12) are provided with water injection ports, and the water injection ports of the fluid mixing tank A (8) and the fluid mixing tank B (12) are communicated with a ground water supply pipe (11).
4. The double-fluid synchronous grouting system for shield construction according to claim 3, characterized in that the A fluid stirring tank (8) is also communicated with a ground cement conveying pipe (9).
5. The double-fluid synchronous grouting system for the shield engineering according to claim 4, wherein a second grouting pump (7) is further installed on the A-fluid stirring tank (8), the second grouting pump (7) is communicated with the secondary grouting port (4), an A-fluid replenishing port and a B-fluid replenishing port are arranged in the secondary grouting port (4), and the B-fluid replenishing port is communicated with the B-fluid stirring tank (12).
6. The double-fluid synchronous grouting system for shield construction according to claim 5, characterized in that the ground water supply pipe (11) is communicated with a water tank (10), a cooling water pump (13) and a cleaning water pump (14) are installed on the water tank (10), the water tank (10) is communicated with the main grouting area (1) through a conduit, and a fourth throttle valve is installed on a connecting conduit of the water tank (10) and the main grouting area (1).
7. The double-fluid synchronous grouting system for shield construction according to claim 6, wherein the main grouting area (1) comprises a fluid A inlet pipe (15), a fluid B inlet pipe (16), a cleaning water inlet pipe (17), a fluid AB grouting gun (18) and a cleaning pneumatic valve bank (19), the fluid A inlet pipe (15) and the fluid B inlet pipe (16) are both communicated with the fluid AB grouting gun (18), and the fluid AB grouting gun (18) and the cleaning water inlet pipe (17) are both communicated with the cleaning pneumatic valve bank (19).
8. The double-fluid synchronous grouting system for shield construction according to claim 7, characterized in that a spare grouting area (3) is further arranged below the main grouting area (1), and the structure of the spare grouting area (3) is the same as that of the main grouting area (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422900.3U CN209908518U (en) | 2019-03-31 | 2019-03-31 | Double-fluid synchronous grouting system for shield engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422900.3U CN209908518U (en) | 2019-03-31 | 2019-03-31 | Double-fluid synchronous grouting system for shield engineering |
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| CN209908518U true CN209908518U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920422900.3U Active CN209908518U (en) | 2019-03-31 | 2019-03-31 | Double-fluid synchronous grouting system for shield engineering |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720128A (en) * | 2020-05-25 | 2020-09-29 | 中交天和机械设备制造有限公司 | Double-liquid synchronous grouting system of shield machine |
| CN113431602A (en) * | 2021-07-22 | 2021-09-24 | 中交第二航务工程局有限公司 | Secondary grouting operation system of shield tunneling machine |
| CN113863958A (en) * | 2021-10-26 | 2021-12-31 | 中铁工程装备集团有限公司 | Double-liquid grouting system of shield tunneling machine |
| 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 |
-
2019
- 2019-03-31 CN CN201920422900.3U patent/CN209908518U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720128A (en) * | 2020-05-25 | 2020-09-29 | 中交天和机械设备制造有限公司 | Double-liquid synchronous grouting system of shield machine |
| CN113431602A (en) * | 2021-07-22 | 2021-09-24 | 中交第二航务工程局有限公司 | Secondary grouting operation system of shield tunneling machine |
| CN113863958A (en) * | 2021-10-26 | 2021-12-31 | 中铁工程装备集团有限公司 | Double-liquid grouting system of shield tunneling machine |
| 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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