CN203488183U - Special type slurry shield machine capable of passing through polluted soil stratum - Google Patents
Special type slurry shield machine capable of passing through polluted soil stratum Download PDFInfo
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- CN203488183U CN203488183U CN201320518987.7U CN201320518987U CN203488183U CN 203488183 U CN203488183 U CN 203488183U CN 201320518987 U CN201320518987 U CN 201320518987U CN 203488183 U CN203488183 U CN 203488183U
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- slurry
- shield machine
- polluted soil
- inlet pipe
- shield
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Abstract
The utility model relates to a shield machine, in particular to a special type slurry shield machine capable of passing through a polluted soil stratum and aims at solving the problem that an existing shield machine difficultly avoids pollutants when passing through the polluted soil stratum and accordingly good health of constructors is influenced. The special type slurry shield machine capable of passing through the polluted soil stratum comprises a shield body, a cutterhead and a pipe segment splicing machine and further comprises a muddy water bin located on a matched trolley behind the shield body, a slurry pump, a slurry inlet pipe and a slurry discharging pipe. A polluted gas absorption bag and a gas detecting instrument are arranged in an extending region of the slurry inlet pipe and the slurry discharging pipe and the unoccupied position of the pipe segment splicing machine, adjacent pipe segments forming the slurry inlet pipe and the slurry discharging pipe are connected through clamping hoop type assemblies, polluted gas is decreased, the constructors are basically not in contact with the pollutants, and the modification time and cost of a soil pressure shield device and the modification time and cost of a transportation device are decreased. A construction period is ensured, the construction risk is reduced, and the special type slurry shield machine is simple in improved structure, low in cost and simple and convenient to operate and has certain popularization and application value.
Description
Technical field
The utility model relates to a kind of shield machine, is specially a kind of extraordinary slurry shield machine in Polluted Soil stratum that passes through.
Background technology
In shield method tunnel construction process, shield machine enters between contaminated area and tunnels sometimes, pollutant comprises the various pollutants that remain in soil, for example 1,2-dichloroethanes and chloroform, vinyl chloride, arsenic, TPH etc., volatile, produce inflammable, explosive toxic gas and contaminant water, interval pollutant levels are difficult to prediction, the extent of injury is difficult to estimate, the poisoning main channel of constructor for sucking and wrongly take, skin contact, have a strong impact on the healthy of constructor, to construction, brought very big risk.If adopt balancing earth-pressure shielding machine construction, Polluted Soil and dusty gas volatilization point are many, pollute in soil cave open-assembly time long, contaminant water long-term existence, the conveyor of the shield machine mode of being unearthed causes dregs to splash, it is too many that soil is fallen in section of jurisdiction transportation and assembled region, scarfing cinder difficulty, the direct contact stain soil of workman, constructor protective clothes and also almost cannot construct, in a word, existing construction technology is difficult to evade, and Effects on Engineering and construction risk are difficult to estimate.
Known, slurry shield machine is by there being the mud of certain pressure to support firm excavation face by selecting cutterhead, in cantilever cutter head or water, jet etc. carries out soil excavation, the earth material excavating mixes with muddy water state and is transported by slush pump with muddy water, then being transported to mud-water separation station, ground processes, constructor's earth material that directly contact is not excavated except the row's of extending into mud tube in tunnel, in construction, make Polluted Soil and personnel effectively isolate, evaded to a certain extent security risk, but in the assembled region of shield machine segment, the privileged sites such as mud channel extension area, having unavoidably a small amount of mud exists, there is a small amount of pernicious gas to evaporate.When current slurry shield machine inlet pipe road and plasma discharge pipeline slurry conveyed, with bolts between pipeline, when changing pipeline, complex operation, time are longer, inevitable like this little Polluted Soil or the water of having flows out, affect the healthy of constructor, to adopt in time vacuum pump that the mud of outflow is evacuated in foul water tank as early as possible, then by pump, pump into plasma discharge Pipeline transport ground mud pit and process.
Summary of the invention
The problem that when the utility model passes through Polluted Soil stratum in order to solve existing shield machine, pollutant is difficult to evade, affect that constructor is healthy, Effects on Engineering and construction risk are difficult to estimate, provides a kind of extraordinary slurry shield machine in Polluted Soil stratum that passes through.
The utility model is to adopt following technical scheme to realize: pass through the extraordinary slurry shield machine in Polluted Soil stratum, comprise shield body, cutterhead, for removing the duct piece assembling machine of old section of jurisdiction and assembled new section of jurisdiction, also comprise and be positioned at the foul water tank on supporting chassis behind shield body rear, slush pump and for being communicated with slush pump, the inlet pipe road of muddy water storehouse and rear supporting upper foul water tank and plasma discharge pipeline, innovative point of the present utility model is to install dusty gas absorption bag at inlet pipe road and the extension area of plasma discharge pipeline and the spare bits of duct piece assembling machine, dusty gas absorption bag one side is provided with the gas detecting instrument of built-in alarm.Sorbing material in described dusty gas absorption bag can be determined its kind according to the composition of volatilization gas, and described gas detecting instrument is existing known products, mainly utilizes gas sensor to come the gaseous species existing in testing environment, composition and the content of gas.
Between described formation inlet pipe road and the adjacent segment pipeline of plasma discharge pipeline, adopt clamping hoop type assembly to connect, clamping hoop type assembly is that existing pipeline connects conventional structure, the utility model becomes clamping hoop type from bolt connection and connects, simple to operate when changing pipeline, the used time is short, avoids all Polluted Soils or water to flow out.
Adopt structure design of the present utility model, two positions in mud and dusty gas concentration maximum, it is the dusty gas absorption bag that pipe sheet assembling district and mud channel extension area are placed in-built sorbing material, can be by the dusty gas absorption of this place's volatilization, reduce and pollute, and when dusty gas concentration meets or exceeds the alarming value of gas detecting instrument setting, gas detecting instrument can be reported to the police, constructor is played to warning function, avoid coming to harm.
Compared with prior art, the utility model utilization is passed through pollution soil layer through the extraordinary slurry shield machine of structure optimization, greatly reduced the generation of dusty gas, constructor is contact stain thing not substantially, harmful gas concentration is reduced to the environment without injury to human body, therefore only need normal ventilation and general preventative protection, reduced soil pressure Suporting structure transformation time and expense, haulage device transformation time and expense; Simultaneously, owing to needn't too much scrupling in-cavity construction pollution effect, shield structure can normally tunnel, and has guaranteed the duration, has reduced construction risk, improve simple in structure, cost is low, easy and simple to handle, there is certain application value.
Accompanying drawing explanation
Fig. 1 is the partial schematic diagram of shield body described in the utility model;
Fig. 2 is the partial schematic diagram of rear supporting chassis described in the utility model;
In figure: 1-shield body; 2-inlet pipe road; 3-plasma discharge pipeline; 4-duct piece assembling machine; 5-dusty gas absorption bag; 6-gas detecting instrument; 7-clamping hoop type assembly; Supporting chassis after 8-.
The specific embodiment
Pass through the extraordinary slurry shield machine in Polluted Soil stratum, as Fig. 1, shown in 2, comprise shield body 1, cutterhead, for removing the duct piece assembling machine 4 of old section of jurisdiction and assembled new section of jurisdiction, also comprise and be positioned at the muddy water storehouse on supporting chassis 8 behind shield body rear, slush pump and for being communicated with slush pump, the inlet pipe road 2 in muddy water storehouse and plasma discharge pipeline 3, forming between inlet pipe road 2 and the adjacent segment pipeline of plasma discharge pipeline 3 adopts clamping hoop type assembly 7 to connect, at inlet pipe road and the extension area of plasma discharge pipeline and the spare bits of duct piece assembling machine, install dusty gas absorption bag 5, dusty gas absorption bag one side is provided with the gas detecting instrument 6 of built-in alarm.
In Specific construction, in dusty gas absorption bag, can place except chloride adsorbent, as macroreticular resin and NACF, also has arsenic-removing adsorption agent, as active carbon, manganese dioxide, titanium dioxide, zeolite, activated alumina, indefiniteness ferric phosphate, iron content flyash etc.In addition, in order to stop all pollutants, the material that some can adsorption fouling gas will rationally be placed in vacant position outside shield machine chassis placement devices, frequency converter, slush pump and electric elements, owing to causing going bad after the long-time adsorption fouling gas of sorbing material, can not play a role better, generally through week age, will change.
Claims (2)
1. one kind is passed through the extraordinary slurry shield machine in Polluted Soil stratum, comprise shield body (1), cutterhead, for removing the duct piece assembling machine (4) of old section of jurisdiction and assembled new section of jurisdiction, also comprise and be positioned at the muddy water storehouse on supporting chassis (8) behind shield body rear, slush pump and for being communicated with inlet pipe road (2) and the plasma discharge pipeline (3) in slush pump, muddy water storehouse, it is characterized in that installing dusty gas absorption bag (5) at inlet pipe road and the extension area of plasma discharge pipeline and the spare bits of duct piece assembling machine, dusty gas absorption bag one side is provided with the gas detecting instrument (6) of built-in alarm.
2. the extraordinary slurry shield machine in Polluted Soil stratum that passes through according to claim 1, is characterized in that forming between inlet pipe road (2) and the adjacent segment pipeline of plasma discharge pipeline (3) and adopts clamping hoop type assembly (7) to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320518987.7U CN203488183U (en) | 2013-08-24 | 2013-08-24 | Special type slurry shield machine capable of passing through polluted soil stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320518987.7U CN203488183U (en) | 2013-08-24 | 2013-08-24 | Special type slurry shield machine capable of passing through polluted soil stratum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488183U true CN203488183U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320518987.7U Expired - Fee Related CN203488183U (en) | 2013-08-24 | 2013-08-24 | Special type slurry shield machine capable of passing through polluted soil stratum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488183U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100633A (en) * | 2017-06-02 | 2017-08-29 | 中铁工程装备集团有限公司 | A kind of novel small diameter slurry shield tube ejector |
| CN108915733A (en) * | 2018-08-30 | 2018-11-30 | 中国水利水电第十四工程局有限公司 | A kind of steel pipe chip architecture and preparation method thereof being applicable in vacuum chuck absorption |
| CN111365004A (en) * | 2020-03-11 | 2020-07-03 | 中铁二局集团有限公司 | Shield soil bin ventilation construction method |
-
2013
- 2013-08-24 CN CN201320518987.7U patent/CN203488183U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100633A (en) * | 2017-06-02 | 2017-08-29 | 中铁工程装备集团有限公司 | A kind of novel small diameter slurry shield tube ejector |
| CN108915733A (en) * | 2018-08-30 | 2018-11-30 | 中国水利水电第十四工程局有限公司 | A kind of steel pipe chip architecture and preparation method thereof being applicable in vacuum chuck absorption |
| CN108915733B (en) * | 2018-08-30 | 2023-06-09 | 中国水利水电第十四工程局有限公司 | Steel pipe sheet structure suitable for vacuum chuck adsorption and manufacturing method thereof |
| CN111365004A (en) * | 2020-03-11 | 2020-07-03 | 中铁二局集团有限公司 | Shield soil bin ventilation construction method |
| CN111365004B (en) * | 2020-03-11 | 2022-01-25 | 中铁二局集团有限公司 | Shield soil bin ventilation construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20140319 Termination date: 20210824 |