CN105298510A - Pipe replacing and slurry discharging device for slurry shield and slurry discharging mode - Google Patents
Pipe replacing and slurry discharging device for slurry shield and slurry discharging mode Download PDFInfo
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- CN105298510A CN105298510A CN201510753485.6A CN201510753485A CN105298510A CN 105298510 A CN105298510 A CN 105298510A CN 201510753485 A CN201510753485 A CN 201510753485A CN 105298510 A CN105298510 A CN 105298510A
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Abstract
The invention provides a pipe replacing and slurry discharging device used for a slurry shield and capable of quickly discharging slurry in a slurry pipe without leakage and a slurry discharging mode. The pipe replacing and slurry discharging device comprises a sewage pump and an airtight slurry storage tank, wherein a slurry inlet of the airtight slurry storage tank is divided into two ways, one way is connected with a slurry inlet pipe through a slurry inlet pipe ball valve and connected with a slurry discharging pipe through a slurry discharging pipe ball valve after being provided with a master control ball valve, the other way is connected with a sewage tank through a membrane pump, and the sewage tank is connected with the slurry inlet pipe ball valve and the slurry discharging pipe ball valve respectively through a sewage ball valve. A slurry inlet pipe control ball valve and a slurry inlet pipe gate valve are arranged at the two ends of the slurry inlet pipe, a slurry inlet pipe breathing port is formed between the slurry inlet pipe control ball valve and the slurry inlet pipe gate valve, a slurry discharging pipe control ball valve and a slurry discharging pipe gate valve are arranged at the two ends of the slurry discharging pipe, and a slurry discharging pipe breathing port is formed between the slurry discharging pipe control ball valve and the slurry discharging pipe gate valve. The pipe replacing and slurry discharging device used for the slurry shield is high in slurry discharging speed, can be basically free of leakage, ensures tunnel cleaning, decreases the using amount of a slurrying agent and facilitates environmental protection, and the construction cost is reduced.
Description
Technical field
The present invention relates to the slurry shield machine field of constructing tunnel, be specifically related to a kind of slurry shield useless slurry exhaust system.
Background technology
At present, along with a large amount of constructions in domestic and international tunnel, shield machine becomes first-selected, and slurry shield, with its excellent Stress control performance, crossing river, is crossed in sea and the construction of tunnel that has higher requirements to sedimentation and is widely used.When slurry shield is constructed, dregs is transferred out by mud channel by slush pump, and often tunneling a segment distance needs to extend mud channel, needs to disconnect mud tube during extension, and the mud emission in mud tube is exactly a problem needing to solve.
Conventional useless slurry tapping equipment be by the mud emission in tunnel mud tube to stretch system below foul water tank in, then by foul water pump, slurries are discharged.The shortcoming of this device is that the speed that slurries emit in mud tube is comparatively slow, and the stand-by period is long, and operating personnel always do not discharge at slurries and completely just start to carry out replace tubes operation, and mud is just directly discharged in tunnel; Foul water tank in addition below mud stretch system, by space constraint, causes its storage slurry volume not enough, adds that the plasma discharge speed of taking out slurry speed and mud tube of foul water pump is difficult to accomplish to mate completely, cause slurries to diffuse out or pump depletion from foul water tank.Use the slurry-discharging equipment of this routine to be difficult to accomplish slurries zero-emission, the clean of tunnel is made a big impact, also can cause the waste of bentonite slurry simultaneously, increase construction cost.
Summary of the invention
The object of the invention is for above-mentioned the deficiencies in the prior art, slurry shield replace tubes slurry-discharging equipment and the plasma discharge mode of the mud in quick, the leak free discharge mud tube of a kind of energy are provided.
Technical scheme of the present invention is achieved in that a kind of slurry shield replace tubes slurry-discharging equipment, comprise the dredge pump be connected with air cushion storehouse, dredge pump is connected with airtight slurry can, airtight slurry can is provided with liquid level sensor, lower liquid level sensor and slurry can pneumostome, the stock inlet of airtight slurry can is divided into two-way, be connected with inlet pipe by inlet pipe ball valve again after being wherein provided with master control ball valve on the way, be connected with discharge pipe by discharge pipe ball valve, diaphragm pump of separately leading up to connects foul water tank, foul water tank is by connecting inlet pipe ball valve respectively after sewage ball valve, discharge pipe ball valve, inlet pipe two ends are furnished with inlet pipe and control ball valve and inlet pipe gate valve, inlet pipe controls to be furnished with inlet pipe pneumostome between ball valve and inlet pipe gate valve, discharge pipe two ends are furnished with discharge pipe and control ball valve and discharge pipe gate valve, and discharge pipe controls to be provided with discharge pipe pneumostome between ball valve and discharge pipe gate valve.
A kind of slurry shield replace tubes plasma discharge mode, carry out in the following manner: the liquid level in air cushion storehouse reduces by (1), close inlet pipe and control ball valve, inlet pipe gate valve, discharge pipe ball valve and discharge pipe gate valve, open airtight go out slurry can and slurry can pneumostome, slurries in inlet pipe and discharge pipe can enter in airtight slurry can under the effect of internal pressure, when the liquid level in airtight slurry can is higher than upper liquid level sensor setting liquid level, open inlet pipe pneumostome and discharge pipe pneumostome, start dredge pump by the slurries dispatch in pipeline in air cushion storehouse simultaneously, (2) along with the slurries amount in pipeline gradually reduces, when the conveying capacity of dredge pump can not be met, liquid level in airtight slurry can reduce, when liquid level is lower than lower liquid level sensor setting liquid level, close dredge pump and master control ball valve, open sewage ball valve, in inlet pipe and discharge pipe, remaining slurries drain into the foul water tank be placed in below mud tube, by diaphragm pump, the slurries in foul water tank are delivered in airtight slurry can again, when the setting liquid level of liquid level in airtight slurry can higher than upper liquid level sensor, start dredge pump, by a small amount of residue slurries dispatch in foul water tank in air cushion storehouse, until slurries in mud tube rack up finish after carry out replace tubes operation.
The present invention uses foul water pump directly to extract mud in tunnel mud tube, and mud emission speed is fast; Use airtight system simultaneously, basic No leakage can be accomplished, ensure that tunnel cleans, decrease the use amount of pulping agent, be conducive to environmental protection, reduce construction cost simultaneously.This apparatus structure is simple, easy and simple to handle, practical, is the important leverage of environmental protection, standard construction.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is a kind of slurries emissions status schematic diagram.
Fig. 3 is another kind of slurries emissions status schematic diagram.
Wherein: 1. dredge pump, 2. airtight slurry can, 3. descends liquid level sensor, 4. goes up liquid level sensor, 5. slurry can pneumostome, 6. diaphragm pump, 7. foul water tank, 8. sewage ball valve, 9. inlet pipe controls ball valve, 10. inlet pipe pneumostome, 11. inlet pipe gate valves, 12. inlet pipe ball valves, 13. master control ball valves, 14. discharge pipes control ball valve, 15. discharge pipe pneumostomes, 16. discharge pipe ball valves, 17. discharge pipe gate valves, 18. inlet pipes, 19. discharge pipes, 20. air cushion storehouses.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, slurry shield replace tubes slurry-discharging equipment of the present invention comprises the dredge pump 1 be connected with air cushion storehouse 20, dredge pump 1 is connected with airtight slurry can 2, airtight slurry can 2 is provided with liquid level sensor 4, lower liquid level sensor 3 and slurry can pneumostome 5, the stock inlet of airtight slurry can 2 is divided into two-way, be connected with inlet pipe 18 by inlet pipe ball valve 12 again after being wherein provided with master control ball valve 13 on the way, be connected with discharge pipe 19 by discharge pipe ball valve 16, diaphragm pump 6 of separately leading up to connects foul water tank 7, foul water tank 7 is by connecting inlet pipe ball valve 12 respectively after sewage ball valve 8, discharge pipe ball valve 16, inlet pipe 18 two ends are furnished with inlet pipe and control ball valve 9 and inlet pipe gate valve 11, inlet pipe controls to be furnished with inlet pipe pneumostome 10 between ball valve 9 and inlet pipe gate valve 11, discharge pipe 19 two ends are furnished with discharge pipe and control ball valve 14 and discharge pipe gate valve 17, and discharge pipe controls to be provided with discharge pipe pneumostome 15 between ball valve 14 and discharge pipe gate valve 17.
This device can be utilized before replace tubes to discharge a large amount of slurries in pipeline, described slurry shield replace tubes plasma discharge mode, carry out in the following manner:
(1) as shown in Figure 2, the liquid level of changing commanders in air cushion storehouse is reduced to proper height, close inlet pipe and control ball valve 9, inlet pipe gate valve 11, discharge pipe ball valve 16 and discharge pipe gate valve 17, open airtight go out slurry can 2 and slurry can pneumostome 5, slurries in inlet pipe 18 and discharge pipe 19 can enter in airtight slurry can 2 under the effect of internal pressure, when the liquid level in airtight slurry can 2 sets liquid level higher than upper liquid level sensor 4, open inlet pipe pneumostome 10 and discharge pipe pneumostome 15, start dredge pump 1 by the slurries dispatch in pipeline in air cushion storehouse simultaneously.
Because this device utilizes dredge pump 1 pair of slurries to pump, shorten in the past because slurries flow automatically the time consumed, improve the efficiency of construction.
(2) as shown in Figure 3, along with the slurries amount in pipeline gradually reduces, when the conveying capacity of dredge pump 1 can not be met, liquid level in airtight slurry can 2 can reduce, when liquid level sets liquid level lower than lower liquid level sensor 3, close dredge pump 1 and master control ball valve 13, open sewage ball valve 8, in inlet pipe 18 and discharge pipe 19, remaining slurries drain into the foul water tank 7 be placed in below mud tube, by diaphragm pump 6, the slurries in foul water tank 7 are delivered in airtight slurry can 2 again, when the setting liquid level of liquid level in airtight slurry can 2 higher than upper liquid level sensor 4, start dredge pump 1, by a small amount of residue slurries dispatch in foul water tank 7 in air cushion storehouse 20, until slurries in mud tube rack up finish after carry out replace tubes operation.
Until slurries in mud tube rack up finish after carry out replace tubes operation, the direction of arrow in Fig. 2 and Fig. 3 instruction muddy water flow direction.
The present invention carries out mud when mud channel is changed in energy quick drain tunnel mud tube at slurry shield, realize the substantially leak free discharge of slurries, thus ensure that tunnel cleans, greatly save tunnel disposal costs and operation construction period, and the consumption of the pulping agents such as swell soil can be reduced.
Above implementation process of the present invention is only a kind of preferred embodiment, but the invention is not restricted to above-mentioned embodiment.In the ken that described exercising ordinary skill possesses, any amendment done, equivalent to substitute and improvement etc. within the spirit and principles in the present invention, it all should be encompassed within the technical scheme scope of request of the present invention protection.
Claims (2)
1. a slurry shield replace tubes slurry-discharging equipment, comprise the dredge pump (1) be connected with air cushion storehouse, dredge pump (1) is connected with airtight slurry can (2), airtight slurry can (2) is provided with liquid level sensor (4), lower liquid level sensor (3) and slurry can pneumostome (5), it is characterized in that: the stock inlet of airtight slurry can (2) is divided into two-way, be connected with inlet pipe (18) by inlet pipe ball valve (12) again after being wherein provided with master control ball valve (13) on the way, be connected with discharge pipe (19) by discharge pipe ball valve (16), diaphragm pump (6) of separately leading up to connects foul water tank (7), foul water tank (7) is by connecting inlet pipe ball valve (12) respectively after sewage ball valve (8), discharge pipe ball valve (16), inlet pipe (18) two ends are furnished with inlet pipe and control ball valve (9) and inlet pipe gate valve (11), inlet pipe controls to be furnished with inlet pipe pneumostome (10) between ball valve (9) and inlet pipe gate valve (11), discharge pipe (19) two ends are furnished with discharge pipe and control ball valve (14) and discharge pipe gate valve (17), and discharge pipe controls to be provided with discharge pipe pneumostome (15) between ball valve (14) and discharge pipe gate valve (17).
2. a slurry shield replace tubes plasma discharge mode, it is characterized in that carrying out in the following manner:
(1) liquid level in air cushion storehouse is reduced, close inlet pipe and control ball valve (9), inlet pipe gate valve (11), discharge pipe ball valve (16) and discharge pipe gate valve (17), open airtight go out slurry can (2) and slurry can pneumostome (5), slurries in inlet pipe (18) and discharge pipe (19) can enter in airtight slurry can (2) under the effect of internal pressure, when the liquid level in airtight slurry can (2) is higher than upper liquid level sensor (4) setting liquid level, open inlet pipe pneumostome (10) and discharge pipe pneumostome (15), start dredge pump (1) by the slurries dispatch in pipeline in air cushion storehouse simultaneously,
(2) along with the slurries amount in pipeline gradually reduces, when the conveying capacity of dredge pump (1) can not be met, liquid level in airtight slurry can (2) can reduce, when liquid level is lower than lower liquid level sensor (3) setting liquid level, close dredge pump (1) and master control ball valve (13), open sewage ball valve (8), inlet pipe (18) and the interior remaining slurries of discharge pipe (19) drain into the foul water tank (7) be placed in below mud tube, by diaphragm pump (6), the slurries in foul water tank (7) are delivered in airtight slurry can (2) again, in the airtight slurry can (2) during the setting liquid level of liquid level higher than upper liquid level sensor (4), start dredge pump (1), by a small amount of residue slurries dispatch in foul water tank (7) in air cushion storehouse, until slurries in mud tube rack up finish after carry out replace tubes operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510753485.6A CN105298510B (en) | 2015-11-05 | 2015-11-05 | Pipe replacing and slurry discharging device for slurry shield and slurry discharging mode |
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| CN201510753485.6A CN105298510B (en) | 2015-11-05 | 2015-11-05 | Pipe replacing and slurry discharging device for slurry shield and slurry discharging mode |
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| CN105298510A true CN105298510A (en) | 2016-02-03 |
| CN105298510B CN105298510B (en) | 2017-05-03 |
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Cited By (8)
| 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 |
| CN107387105A (en) * | 2017-08-11 | 2017-11-24 | 中交天和机械设备制造有限公司 | EPB shield tunneling bentonite pressurize device and method |
| CN107630705A (en) * | 2017-09-30 | 2018-01-26 | 中铁工程装备集团有限公司 | Extend slurry-discharging equipment and plasma discharge mode by the slurry shield pipeline of compressed air |
| CN108590694A (en) * | 2018-03-13 | 2018-09-28 | 中铁二局工程有限公司城通分公司 | A kind of pulp absorbing box and its vacuum take out slurry system |
| CN109184730A (en) * | 2018-08-22 | 2019-01-11 | 中铁二局集团有限公司 | A kind of construction method quickly cleaning double-shielded TBM shield tail silt |
| CN109281685A (en) * | 2017-07-21 | 2019-01-29 | 中国铁建重工集团有限公司 | A kind of decompression type shield machine step by step |
| CN109974924A (en) * | 2019-03-15 | 2019-07-05 | 上海隧道工程有限公司 | Shield shield tail simultaneous grouting slurry buoyancy measuring device and its measurement method |
| CN115788461A (en) * | 2022-12-16 | 2023-03-14 | 盾科工程装备有限公司 | Muddy water suction type shield machine |
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| JPH11311087A (en) * | 1998-04-28 | 1999-11-09 | Zenitaka Corp | Stratum gas detecting method and detecting device also used for muddy water-mud pressure shield excavation |
| CN1995702A (en) * | 2006-12-30 | 2007-07-11 | 广东省基础工程公司 | Treatment method for slurry circulation in shield tunneling |
| CN202325527U (en) * | 2011-12-09 | 2012-07-11 | 中铁隧道装备制造有限公司 | Slurry shield mud conveying device |
| CN104863610A (en) * | 2015-06-09 | 2015-08-26 | 中铁工程装备集团有限公司 | Muddy water circulation system capable of being directly and indirectly controlled and control method |
| CN205135644U (en) * | 2015-11-05 | 2016-04-06 | 中铁工程装备集团有限公司 | Slurry shield tube replacement arranges thick liquid device |
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2015
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Patent Citations (5)
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|---|---|---|---|---|
| JPH11311087A (en) * | 1998-04-28 | 1999-11-09 | Zenitaka Corp | Stratum gas detecting method and detecting device also used for muddy water-mud pressure shield excavation |
| CN1995702A (en) * | 2006-12-30 | 2007-07-11 | 广东省基础工程公司 | Treatment method for slurry circulation in shield tunneling |
| CN202325527U (en) * | 2011-12-09 | 2012-07-11 | 中铁隧道装备制造有限公司 | Slurry shield mud conveying device |
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Cited By (11)
| 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 |
| CN109281685A (en) * | 2017-07-21 | 2019-01-29 | 中国铁建重工集团有限公司 | A kind of decompression type shield machine step by step |
| CN109281685B (en) * | 2017-07-21 | 2024-03-12 | 中国铁建重工集团股份有限公司 | Step-by-step decompression type shield tunneling machine |
| CN107387105A (en) * | 2017-08-11 | 2017-11-24 | 中交天和机械设备制造有限公司 | EPB shield tunneling bentonite pressurize device and method |
| CN107387105B (en) * | 2017-08-11 | 2023-12-22 | 中交天和机械设备制造有限公司 | Soil pressure shield bentonite pressure maintaining equipment and method |
| CN107630705A (en) * | 2017-09-30 | 2018-01-26 | 中铁工程装备集团有限公司 | Extend slurry-discharging equipment and plasma discharge mode by the slurry shield pipeline of compressed air |
| CN108590694A (en) * | 2018-03-13 | 2018-09-28 | 中铁二局工程有限公司城通分公司 | A kind of pulp absorbing box and its vacuum take out slurry system |
| CN109184730A (en) * | 2018-08-22 | 2019-01-11 | 中铁二局集团有限公司 | A kind of construction method quickly cleaning double-shielded TBM shield tail silt |
| CN109974924A (en) * | 2019-03-15 | 2019-07-05 | 上海隧道工程有限公司 | Shield shield tail simultaneous grouting slurry buoyancy measuring device and its measurement method |
| CN115788461A (en) * | 2022-12-16 | 2023-03-14 | 盾科工程装备有限公司 | Muddy water suction type shield machine |
| CN115788461B (en) * | 2022-12-16 | 2023-08-04 | 盾科工程装备有限公司 | Slurry suction type shield tunneling machine |
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