CN203655301U - High-molecular-polymer injection system - Google Patents
High-molecular-polymer injection system Download PDFInfo
- Publication number
- CN203655301U CN203655301U CN201320693964.XU CN201320693964U CN203655301U CN 203655301 U CN203655301 U CN 203655301U CN 201320693964 U CN201320693964 U CN 201320693964U CN 203655301 U CN203655301 U CN 203655301U
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- CN
- China
- Prior art keywords
- high molecular
- molecular polymer
- branch road
- agitator
- anger
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- Expired - Fee Related
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 47
- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000010276 construction Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims description 15
- 238000009412 basement excavation Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 11
- 239000004576 sand Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000013019 agitation Methods 0.000 abstract 3
- 230000008674 spewing Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 206010016807 Fluid retention Diseases 0.000 description 4
- 238000005204 segregation Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The utility model discloses a high-molecular-polymer injection system, which is applied to a shield construction system, wherein the shield construction system comprises a shield tunnelling machine and a helical conveyor. The high-molecular-polymer injection system comprises an agitation barrel, an injection pump, an air channel sub-system, a pipeline sub-system and a water supply mechanism. Power for agitating a high molecular polymer is supplied to the agitation barrel via the air channel sub-system, so as to form high-molecular-polymer mixed liquor in the agitation barrel; the high-molecular-polymer mixed liquor is conveyed to a helical conveyor injection point or a soil bin injection point via the pipeline sub-system, so that the high molecular polymer is enabled to absorb free water in muddy water, meanwhile, adhere to segregated soil and sand, improve the water retention property of soil residue, and improve the soil plugging effect of the helical conveyor to achieve the purpose of spewing control.
Description
Technical field
The application relates to Shield Construction Technique field, particularly relates to the high molecular polymer injected system that is applied to shield-tunneling construction.
Background technology
Shielding tunnel excavator, is called for short shield machine, is a kind of tunnel piercing special engineering machinery, has the excavation cutting soil body, conveying soil quarrel, assembled tunnel lining, measures the functions such as guiding correction.Shield machine has been widely used in the construction of tunnel such as subway, railway, highway, municipal administration, water power.
When shield machine tunnels in water-rich sand layer, if boring parameter control is not good, have large water gaging and enter the Tu Cang of shield machine.Because sand does not possess water retention, in native storehouse, easily form the situation of water, slag segregation, in the time of screw machine casting, a large amount of muddy water, under effect of water pressure, will be gushed from screw machine, is referred to as to gush.Dregs after gushing and water are owing to not discharging in time, to flow in a large number tunnel bottom, and, because screw machine casting is not smooth, cause the driving speed of shield excavation machine obviously to reduce, soil pressure is difficult to control, often fluctuated, by the further disturbance front soil body, form vicious circle, greatly affect efficiency of construction, even caused landslide.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of high molecular polymer injected system, to realize, high molecular polymer is injected in screw machine or native storehouse, thereby the Free water in absorption muddy water, the native sand of bonding segregation simultaneously, improves the water retention of dregs, and improves the soil plug effect of screw machine, reach and control the object of gushing, technical scheme is as follows:
The application provides a kind of high molecular polymer injected system, be applied to shield construction system, described shield construction system comprises shield excavation machine, screw machine, and described high molecular polymer injected system comprises: agitator, injection pump, gas circuit subsystem, pipeline subsystem and water supply mechanism;
First of the described gas circuit subsystem branch road of giving vent to anger is arranged in described agitator, and gas outlet is positioned at the bottom of described agitator, for high molecular polymer stirs source of the gas is provided at described agitator;
The delivery port of described water supply mechanism is positioned at described agitator, for water source is provided in described agitator;
Second of the described gas circuit subsystem branch road of giving vent to anger is connected with the air inlet port of described injection pump, the import of described injection pump connects one end of feed pipe, the other end of feed pipe extends to the bottom of described agitator, described injection delivery side of pump is connected to screw machine decanting point and native storehouse decanting point by discharge nozzle subsystem, and high molecular polymer mixed liquor is injected into screw machine and/or Tu Cang.
Preferably, the air inlet pipe branch road of described gas circuit subsystem is connected by tee pipe fitting and first branch road and second branch road of giving vent to anger of giving vent to anger, and first gives vent to anger on branch road is provided with the first air valve, and second gives vent to anger on branch road is provided with the second air valve and pneumatic triple piece.
Preferably, described discharge nozzle subsystem comprises the main discharge nozzle connecting by tee pipe fitting, the first discharging arm being connected with screw machine decanting point and the second discharging arm being connected with native storehouse decanting point, wherein, on described the first discharging arm and described the second discharging arm, be provided with valve.
Preferably, described valve comprises ball valve and one way valve, and one way valve is arranged on the injection direction of described high molecular polymer mixed liquor.
Preferably, described injection pump is pneumatic diaphragm pump.
The technical scheme being provided from above-described embodiment, described high molecular polymer injected system for agitator provides the power that stirs high molecular polymer, forms high molecular polymer mixed liquor by gas circuit subsystem in agitator; By injection pump, high molecular polymer mixed liquor is sent to screw machine decanting point or native storehouse decanting point by pipeline subsystem, thereby make high molecular polymer draw the Free water in muddy water, the native sand of bonding segregation simultaneously, improve the water retention of dregs, and the soil plug effect of raising screw machine, reach and control the object of gushing.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the application, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of high molecular polymer injected system of the embodiment of the present application.
Detailed description of the invention
In order to make those skilled in the art person understand better the technical scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiment.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the application's protection.
Refer to Fig. 1, show the structural representation of a kind of high molecular polymer injected system of the embodiment of the present application, described high molecular polymer injected system is applied to shield construction system, and described shield construction system comprises shield excavation machine, screw machine.Described system comprises: agitator 100, injection pump 200, gas circuit subsystem, pipeline subsystem and water supply mechanism 110.
Gas circuit subsystem comprises the air inlet pipe branch road 301, the first escape pipe branch road 302 and the second escape pipe branch road 303 that connect by tee pipe fitting.On the first escape pipe branch road 302, be provided with on the first air valve 304, the second escape pipe branch roads 303 and be provided with the second air valve 305 and pneumatic triple piece 306.
Water supply mechanism 110 provides water source in agitator, and its water source is from the water system of shield excavation machine.
Air inlet pipe branch road 301 connects air supply system, and the air supply system that described air supply system is shield excavation machine provides source of the gas.
The first escape pipe branch road 302 extends in agitator 100, provides source of the gas for stirring high molecular polymer.The second escape pipe branch road 303 connects the air inlet port of injection pump 200, for injection pump provides source of the gas.
The import of injection pump 200 connects one end of feed pipe 201, and the other end of feed pipe 201 extends to the bottom of agitator; The outlet of injection pump 200 is connected to screw machine decanting point B and native storehouse decanting point A by discharge nozzle subsystem, the high molecular polymer mixed liquor of agitator delivered in screw machine, or in screw machine and native storehouse.
As shown in the figure, discharge nozzle subsystem comprises the main discharge nozzle 202 connecting by tee pipe fitting, the first discharging arm 203 being connected with screw machine decanting point and the second discharging arm 204 being connected with native storehouse decanting point, wherein, on described the first discharging arm 203 and described the second discharging arm 204, be provided with valve.Wherein, described valve comprises one way valve 205 and ball valve 206, and one way valve 205 is for preventing and treating high molecular polymer mixed-liquor return.
The course of work of the high molecular polymer injected system that the present embodiment provides is as follows:
First, the feed water valve 111 of opening on water supply mechanism 101 supplies water in agitator, in the time that water level reaches predeterminated position, be sprinkled into high molecular polymer, open the first air valve 304 on the first escape pipe branch road 302, for the stirring of high molecular polymer provides source of the gas, after stirring, close the first air valve 304.Then, open the second air valve 305, make gases at high pressure enter the air inlet port of injection pump 200 by pneumatic triple piece, thereby the high molecular polymer mixed liquor in agitator 100 is injected into screw machine through the first discharging arm 203, or be injected into Tu Cang through the second discharging arm 204, reach dregs improved properties, and then reach the object that control screw machine is gushed.
It should be noted that, determine the injection rate of high molecular polymer according to the result of sediment improvement, can inject high molecular polymer at native storehouse decanting point A and screw machine decanting point B two places, under normal circumstances simultaneously, first-selected screw machine decanting point, if DeGrain is opened native storehouse decanting point again.
The high molecular polymer injected system that the present embodiment provides for agitator provides the power that stirs high molecular polymer, forms high molecular polymer mixed liquor by gas circuit subsystem in agitator; By injection pump, high molecular polymer mixed liquor is sent to screw machine decanting point or native storehouse decanting point by pipeline subsystem, thereby make high molecular polymer draw the Free water in muddy water, the native sand of bonding segregation simultaneously, improve the water retention of dregs, and the soil plug effect of raising screw machine, reach and control the object of gushing.
Each embodiment in this manual all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is and the difference of other embodiment.
The above is only the application's detailed description of the invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the application's protection domain.
Claims (5)
1. a high molecular polymer injected system, be applied to shield construction system, described shield construction system comprises shield excavation machine, screw machine, it is characterized in that, described high molecular polymer injected system comprises: agitator, injection pump, gas circuit subsystem, pipeline subsystem and water supply mechanism;
First of the described gas circuit subsystem branch road of giving vent to anger is arranged in described agitator, and gas outlet is positioned at the bottom of described agitator, for high molecular polymer stirs source of the gas is provided at described agitator;
The delivery port of described water supply mechanism is positioned at described agitator, for water source is provided in described agitator;
Second of the described gas circuit subsystem branch road of giving vent to anger is connected with the air inlet port of described injection pump, the import of described injection pump connects one end of feed pipe, the other end of feed pipe extends to the bottom of described agitator, described injection delivery side of pump is connected to screw machine decanting point and native storehouse decanting point by discharge nozzle subsystem, and high molecular polymer mixed liquor is injected into screw machine and/or Tu Cang.
2. high molecular polymer injected system according to claim 1, it is characterized in that, the air inlet pipe branch road of described gas circuit subsystem is connected by tee pipe fitting and first branch road and second branch road of giving vent to anger of giving vent to anger, first gives vent to anger on branch road is provided with the first air valve, and second gives vent to anger on branch road is provided with the second air valve and pneumatic triple piece.
3. high molecular polymer injected system according to claim 1 and 2, it is characterized in that, described discharge nozzle subsystem comprises the main discharge nozzle connecting by tee pipe fitting, the first discharging arm being connected with screw machine decanting point and the second discharging arm being connected with native storehouse decanting point, wherein, on described the first discharging arm and described the second discharging arm, be provided with valve.
4. high molecular polymer injected system according to claim 3, is characterized in that, described valve comprises ball valve and one way valve, and one way valve is arranged on the injection direction of described high molecular polymer mixed liquor.
5. high molecular polymer injected system according to claim 1, is characterized in that, described injection pump is pneumatic diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320693964.XU CN203655301U (en) | 2013-11-06 | 2013-11-06 | High-molecular-polymer injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320693964.XU CN203655301U (en) | 2013-11-06 | 2013-11-06 | High-molecular-polymer injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203655301U true CN203655301U (en) | 2014-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320693964.XU Expired - Fee Related CN203655301U (en) | 2013-11-06 | 2013-11-06 | High-molecular-polymer injection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203655301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089671A (en) * | 2015-06-12 | 2015-11-25 | 北京城建设计发展集团股份有限公司 | Muck improvement method for full-section extra-hard diabase stratum shield tunneling |
| CN110656948A (en) * | 2019-10-23 | 2020-01-07 | 中国电建集团铁路建设有限公司 | Shield tunnel soil discharge and gushing prevention device for soil bin and construction method |
-
2013
- 2013-11-06 CN CN201320693964.XU patent/CN203655301U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089671A (en) * | 2015-06-12 | 2015-11-25 | 北京城建设计发展集团股份有限公司 | Muck improvement method for full-section extra-hard diabase stratum shield tunneling |
| CN110656948A (en) * | 2019-10-23 | 2020-01-07 | 中国电建集团铁路建设有限公司 | Shield tunnel soil discharge and gushing prevention device for soil bin and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140618 |