CN202140088U - Shield machine foam agent injecting pipeline system capable of injecting bentonite symultaneously - Google Patents
Shield machine foam agent injecting pipeline system capable of injecting bentonite symultaneously Download PDFInfo
- Publication number
- CN202140088U CN202140088U CN201120260346U CN201120260346U CN202140088U CN 202140088 U CN202140088 U CN 202140088U CN 201120260346 U CN201120260346 U CN 201120260346U CN 201120260346 U CN201120260346 U CN 201120260346U CN 202140088 U CN202140088 U CN 202140088U
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- bentonite
- pipe
- foam
- swell soil
- injecting
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Abstract
The utility model provides a shield machine foam agent injecting pipeline system capable of injecting bentonite simultaneously. The shield machine foam agent injecting pipeline system comprises a plurality of foam agent mixed liquid injecting pipes, air inlet pipes, a foam generator and foam pipes, wherein the air outlet end of each air inlet pipe is communicated with the foam generator. The shield machine foam agent injecting pipeline system is characterized by also comprising a bentonite tank, a master bentonite injecting pipe, and branch bentonite injecting pipes the number of which is the same as that of the foam pipes; the bentonite outlet end of each branch bentonite injecting pipe is communicated with one foam pipe, and the connection part between the bentonite outlet end of each branch bentonite injecting pie and the foam pipe is arranged on a pipeline between a first one-way control valve and a cutter disk as well as a bentonite cabin; and each branch bentonite injecting pipe is provided with a second one-way control ball valve. The shield machine foam agent injecting pipeline system can inject bentonite and foam agents into the bentonite cabin and the cutter disk independently, and can inject the bentonite and the foam agents simultaneously under specific geological conditions, thereby expanding the bentonite injecting point and enhancing the adaptability of shield driving.
Description
Technical field
The utility model relates to shield machine foaming agent filling line system, particularly a kind ofly can inject bentonitic shield machine foaming agent filling line system simultaneously.
Background technology
The shield structure is the main method in the constructing metro tunnel, and under the complicated geological situation, shield machine is the driving of smooth safety fast, depends on the use to additive to a great extent.Additive commonly used has foaming agent, swell soil and polymer, and foaming agent and swell soil then are to carry out dregs in the present shield driving construction to improve topmost additive.Foaming agent can prevent that the clay that can reinvent is formed centrally mud cake in cutterhead, reduces frictional force, and energy efficient reduces the wearing and tearing to cutterhead, increases the compressibility of the soil body, is easy to the control of earth pressure balance; Swell soil is difficult for solidifying, and intensity is extremely low after solidifying, and its easy imbibition also has lubricity, can effectively reduce the permeability of dregs.When in the stratum that is prone to unstability, overhauling shield machine for a long time, Xiang Tucang injects swell soil, can keep native storehouse pressure, stops the water and soil in the stratum to get into Tu Cang and cause surface settlement; Can change the workability of dregs in addition, improve the plasticity of sand property soil, be convenient to be unearthed, minimizing is gushed.
Foaming agent pipe-line system and swell soil pipe-line system adhere to two additive systems, the two independently working separately in shield machine.As shown in Figure 1, existing foaming agent pipe-line system comprises three foaming agent mixed liquor ascending pipes and three air inlet pipelines, three air inlet pipe respectively with foaming agent mixed liquor ascending pipe on foam maker be communicated with.During the cutterhead excavation, foaming agent is injected into Tu Cang and cutterhead through the foaming agent pipe, can reduce the friction between the cutter and the excavation soil body effectively, protection cutterhead and cutter.
Existing swell soil pipe-line system comprises the swell soil case, and the swell soil case is connected with the swell soil ascending pipe, and the swell soil ascending pipe is provided with swell soil control valve, swell soil pump, pressure meter, swell soil flow meter and non-return valve, and the swell soil inlet is positioned at Tu Cang top.In the shield-tunneling construction; For making the dregs that excavates have certain fluidity and sealing property, swell soil pumps into the swell soil pipeline through the swell soil pump from the swell soil case, thereby is injected in the native storehouse; Play the underground water that reduces the excavation face and in pressure chamber, gush out, reduce the generation of gushing.
In the shield driving process, the ground quality condition of being faced is complicated, be not only sometimes independent injection foaming agent or swell soil at the relevant soil body, just can satisfy construction requirement.When in sand-pebble layer, tunneling, foaming agent is not good to the improved effect of the face soil body, even the cutterhead pile penetration is not high; Thrust is little; But the cutterhead moment of torsion increases obviously, at this moment takes swell soil to inject the cutterhead face, then can obviously reduce the cutterhead moment of torsion; If after adding foaming agent and bentonitic mixture, effect is better.Original additive injected system swell soil can not be injected into card, can not realize the function that foaming agent mixes with swell soil, causes when in such stratum, tunneling; The cutterhead moment of torsion is big, and is big to the disturbance of the soil body, knife disc tool heavy wear; Need the phenomenon of frequent tool changing; Simultaneously also bring the tool changing risk, influenced construction speed, caused the certain economic loss.
Summary of the invention
The purpose of the utility model provides a kind ofly can inject bentonitic shield machine foaming agent filling line system simultaneously; Can enlarge bentonitic injection scope; Can be according to the actual conditions of dregs; Select to inject or inject simultaneously respectively swell soil and foaming agent, solve the narrow problem of soil body mode of ameliorating.
Saidly a kind ofly can inject bentonitic shield machine foaming agent filling line system simultaneously; Comprise many foaming agent mixed liquor ascending pipes, air inlet pipe and foamed pipe; The every foaming agent mixed liquor ascending pipe port of export is provided with foam maker; The foam inlet of every foamed pipe is communicated with the outlet of foam maker; Be provided with foam generation inspection cock in the junction, on foamed pipe, be provided with pressure sensor, ball valve and first one-way control valve successively from the foam inlet end, the outlet side of every air inlet pipe is communicated with foam maker; It is characterized in that: said pipe-line system comprises also that a swell soil case, swell soil filling main and the swell soil identical with foamed pipe quantity inject and is in charge of; Every swell soil injects the swell soil port of export be in charge of and is communicated with foamed pipe wherein, and its junction is in charge of every swell soil injection and is provided with the second unidirectional control ball valve on the pipeline between first one-way control valve and Tu Cang and the cutterhead.
The swell soil port of export from the swell soil case on the swell soil filling main is provided with swell soil filling main control valve, swell soil pump, pressure meter and mechanical meters successively.
Said foaming agent mixed liquor ascending pipe, air inlet pipe, foamed pipe and swell soil inject to be in charge of has three respectively.
The utility model has increased the swell soil filling line in original foaming agent filling line system, and on every pipeline, is provided with control valve.But the utility model both Xiang Tucang and cutterhead injects swell soil and foaming agent separately, also can under specific geological condition, inject foaming agent and swell soil simultaneously, has enlarged bentonitic decanting point, has increased the compliance of shield driving.
Description of drawings
Fig. 1 is the structural representation of existing foaming agent filling line system;
Fig. 2 is that the utility model improves back pipeline structure sketch map.
Among the figure: 1-foaming agent mixed liquor ascending pipe, 2-air inlet pipe, 3-foam maker, 4-foamed pipe, 4-1-foam generation inspection cock; The 4-2-pressure sensor, 4-3-ball valve, 4-4-first one-way control valve, 5-swell soil case, 6-swell soil filling main control valve; 7-swell soil pump, 8-swell soil filling main, 8-1-pressure meter, 8-2-mechanical meters; The 8-3-swell soil injects is in charge of the 8-4-second unidirectional control ball valve, 9-Tu Cang, 10-cutterhead.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.Among Fig. 2; Saidly a kind ofly can inject bentonitic shield machine foaming agent filling line system simultaneously; Comprise many foaming agent mixed liquor ascending pipes 1, air inlet pipe 2 and foamed pipe 4; Every foaming agent mixed liquor ascending pipe 1 port of export is provided with foam maker 3, and the foam inlet of every foamed pipe 4 is communicated with the outlet of foam maker 3, is provided with foam generation inspection cock 4-1 in the junction; On foamed pipe 4, be provided with pressure sensor 4-2, ball valve 4-3 and the first one-way control valve 4-4 successively from the foam inlet end; The outlet side of every air inlet pipe 2 is communicated with foam maker 3, it is characterized in that: said pipe-line system comprises also that a swell soil case 5, swell soil filling main 8 inject with the swell soil identical with foamed pipe 4 quantity and is in charge of 8-3, and every swell soil injects to be in charge of the swell soil port of export of 8-3 and to be communicated with foamed pipe 4 wherein; Its junction is injected to be in charge of at every swell soil and is provided with the second unidirectional control ball valve 8-4 on the 8-3 on the pipeline between the first one-way control valve 4-4 and native storehouse 9 and the cutterhead 10.
On swell soil filling main 8, go out end and be provided with swell soil filling main control valve 6, swell soil pump 7, pressure meter 8-1 and mechanical meters 8-2 successively from the swell soil of swell soil case 5.
Said foaming agent mixed liquor ascending pipe 1, air inlet pipe 2, foamed pipe 4 and swell soil inject to be in charge of 8-3 and to have three respectively.
According to the needs of dregs improvement, the unlatching of adjustment pipe valve.When the dregs improvement only needs foaming agent; Swell soil filling main control valve 6 on the swell soil filling main road 8 is in closed condition; Foaming agent mixed liquor ascending pipe 1, air inlet pipe 2 are worked simultaneously, after foam maker 3 is accomplished foaming, get into cutterhead and Tu Cang through foamed pipe 4; When the dregs improvement need add swell soil; In swell soil case 5, add swell soil; Open swell soil and get into the swell soil filling main control valve 6 on the house steward 8; Open swell soil pump 7, swell soil injects through every swell soil along swell soil filling main 8 is in charge of 8-3 entering foamed pipe 4, thereby gets into native storehouse 9 and cutterhead 10; When needs foaming agent and swell soil add fashionablely simultaneously, open all valves simultaneously.
The bentonitic injection scope that the utility model enlarges can not only be injected into Tu Cang, also can directly be injected into card, both can satisfy cutterhead and Tu Cang and inject foaming agent or inject bentonitic independently working requirement, can inject swell soil and foaming agent simultaneously again.Enlarged the scope that in the shield driving process dregs is improved, improved the compliance of shield structure different geological conditions.
Claims (3)
1. one kind can be injected bentonitic shield machine foaming agent filling line system simultaneously; Comprise many foaming agent mixed liquor ascending pipes (1), air inlet pipe (2) and foamed pipe (4); Every foaming agent mixed liquor ascending pipe (1) port of export is provided with foam maker (3); The foam inlet of every foamed pipe (4) is communicated with the outlet of foam maker (3); Be provided with foam generation inspection cock (4-1) in the junction; Upward be provided with pressure sensor (4-2), ball valve (4-3) and first one-way control valve (4-4) successively in foamed pipe (4) from the foam inlet end; The outlet side of every air inlet pipe (2) is communicated with foam maker (3), it is characterized in that: said pipe-line system comprises also that a swell soil case (5), swell soil filling main (8) and the swell soil identical with foamed pipe (4) quantity inject and is in charge of (8-3), and every swell soil injects to be in charge of the swell soil port of export of (8-3) and to be communicated with a foamed pipe (4) wherein; Its junction is injected to be in charge of at every swell soil and is provided with the second unidirectional control ball valve (8-4) on (8-3) on the pipeline between first one-way control valve (4-4) and Tu Cang (9) and the cutterhead (10).
2. according to claim 1ly a kind ofly can inject bentonitic shield machine foaming agent filling line system simultaneously, it is characterized in that: go up from the swell soil port of export of swell soil case (5) at swell soil filling main (8) and be provided with swell soil filling main control valve (6), swell soil pump (7), pressure meter (8-1) and mechanical meters (8-2) successively.
3. according to claim 1 and 2ly a kind ofly can inject bentonitic shield machine foam filling line system simultaneously, it is characterized in that: said foaming agent mixed liquor ascending pipe (1), air inlet pipe (2), foamed pipe (4) and swell soil inject to be in charge of (8-3) and to have three respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120260346U CN202140088U (en) | 2011-07-22 | 2011-07-22 | Shield machine foam agent injecting pipeline system capable of injecting bentonite symultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120260346U CN202140088U (en) | 2011-07-22 | 2011-07-22 | Shield machine foam agent injecting pipeline system capable of injecting bentonite symultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202140088U true CN202140088U (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120260346U Expired - Fee Related CN202140088U (en) | 2011-07-22 | 2011-07-22 | Shield machine foam agent injecting pipeline system capable of injecting bentonite symultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202140088U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606164A (en) * | 2012-04-13 | 2012-07-25 | 大连华氏流体设备有限公司 | Foam injection system for shield machine and operating method of foam injection system |
| CN103291313A (en) * | 2013-06-08 | 2013-09-11 | 中铁隧道装备制造有限公司 | Arch crown pressure supporting system of excavation of earth pressure shield and construction method thereof |
| CN104234719A (en) * | 2014-09-20 | 2014-12-24 | 辽宁三三工业有限公司 | Foaming system of shield tunneling machine |
| CN105041326A (en) * | 2015-06-12 | 2015-11-11 | 北京城建设计发展集团股份有限公司 | Water-rich diabase and slate irregular mutual invasion rock shield residue soil improving method |
| CN107091100A (en) * | 2017-06-09 | 2017-08-25 | 中国铁建重工集团有限公司 | A kind of abrasion reducing system of rectangular pipe jacking machine |
| CN108425681A (en) * | 2017-10-27 | 2018-08-21 | 宏润建设集团股份有限公司 | A kind of gas soil joint balance shield machine and its face balance control method |
| CN109026040A (en) * | 2018-08-03 | 2018-12-18 | 中国电建集团铁路建设有限公司 | A kind of synchronization bi-material layers sediment improvement system for earth pressure balanced shield, EPBS |
| CN109915159A (en) * | 2019-04-28 | 2019-06-21 | 中铁隧道股份有限公司 | Shield body is solved with detachable pipe-line system |
| CN113323681A (en) * | 2021-07-15 | 2021-08-31 | 中铁六局集团有限公司 | Shield constructs quick-witted soil storehouse device of adding water |
| CN114033395A (en) * | 2021-10-28 | 2022-02-11 | 中交第二航务工程局有限公司 | Mud cake preventing device and method for earth pressure balance type shield machine |
| CN115506800A (en) * | 2022-10-28 | 2022-12-23 | 中铁一局集团有限公司 | Earth pressure balance shield machine earth bin pressure compensation system |
-
2011
- 2011-07-22 CN CN201120260346U patent/CN202140088U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606164B (en) * | 2012-04-13 | 2014-02-19 | 大连华峰发展公司 | Foam injection system for shield machine and operating method of foam injection system |
| CN102606164A (en) * | 2012-04-13 | 2012-07-25 | 大连华氏流体设备有限公司 | Foam injection system for shield machine and operating method of foam injection system |
| CN103291313A (en) * | 2013-06-08 | 2013-09-11 | 中铁隧道装备制造有限公司 | Arch crown pressure supporting system of excavation of earth pressure shield and construction method thereof |
| CN104234719A (en) * | 2014-09-20 | 2014-12-24 | 辽宁三三工业有限公司 | Foaming system of shield tunneling machine |
| CN105041326A (en) * | 2015-06-12 | 2015-11-11 | 北京城建设计发展集团股份有限公司 | Water-rich diabase and slate irregular mutual invasion rock shield residue soil improving method |
| CN107091100B (en) * | 2017-06-09 | 2023-10-17 | 中国铁建重工集团股份有限公司 | Antifriction system of rectangle push bench |
| CN107091100A (en) * | 2017-06-09 | 2017-08-25 | 中国铁建重工集团有限公司 | A kind of abrasion reducing system of rectangular pipe jacking machine |
| CN108425681A (en) * | 2017-10-27 | 2018-08-21 | 宏润建设集团股份有限公司 | A kind of gas soil joint balance shield machine and its face balance control method |
| CN109026040A (en) * | 2018-08-03 | 2018-12-18 | 中国电建集团铁路建设有限公司 | A kind of synchronization bi-material layers sediment improvement system for earth pressure balanced shield, EPBS |
| CN109915159A (en) * | 2019-04-28 | 2019-06-21 | 中铁隧道股份有限公司 | Shield body is solved with detachable pipe-line system |
| CN109915159B (en) * | 2019-04-28 | 2024-04-05 | 中铁隧道股份有限公司 | Detachable shield body with easy-to-disassemble pipeline system |
| CN113323681A (en) * | 2021-07-15 | 2021-08-31 | 中铁六局集团有限公司 | Shield constructs quick-witted soil storehouse device of adding water |
| CN114033395A (en) * | 2021-10-28 | 2022-02-11 | 中交第二航务工程局有限公司 | Mud cake preventing device and method for earth pressure balance type shield machine |
| CN115506800A (en) * | 2022-10-28 | 2022-12-23 | 中铁一局集团有限公司 | Earth pressure balance shield machine earth bin pressure compensation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: CHINA RAILROAD 11 BUREAU GROUP CO. LTD. Effective date: 20131121 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131121 Address after: 430074 No. 23, Jiayuan Road, East Lake Development Zone, Hubei, Wuhan Patentee after: Urban Mass Transit Engineering Co., Ltd. of China Railway 11th Bureau Group Address before: 430074 No. 23, Jiayuan Road, East Lake Development Zone, Hubei, Wuhan Patentee before: Urban Mass Transit Engineering Co., Ltd. of China Railway 11th Bureau Group Patentee before: China Railroad 11 Bureau Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20160722 |