CN101812989B - Foam generating device and foam generating method - Google Patents
Foam generating device and foam generating method Download PDFInfo
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- CN101812989B CN101812989B CN2009102472129A CN200910247212A CN101812989B CN 101812989 B CN101812989 B CN 101812989B CN 2009102472129 A CN2009102472129 A CN 2009102472129A CN 200910247212 A CN200910247212 A CN 200910247212A CN 101812989 B CN101812989 B CN 101812989B
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Abstract
The invention relates to a foam generating device and a foam generating method which are suitable for an earth pressure balance shield machine. The device comprises a compressed air supply unit, a foaming agent supply unit, a water supply unit and a foam generating unit, wherein the compressed air supply unit and the water supply unit are selected from the compressed air supply unit and the water supply unit of the earth pressure balance shield machine; the water supply unit is connected with a water supply pipeline; the foaming agent supply unit is connected with a foaming agent supply pipeline; the water supply pipeline and the foaming agent supply pipeline are together connected with a mixed pipeline; a foaming agent is mixed with water in the mixed pipeline; the mixed pipeline is respectively connected to one input end of the foam generating unit; the compressed air supply unit is connected to the other input end of the foam generating unit; and the output end of the foam generating unit is connected to the mud and water adding pipeline of the shield machine. The method is used for generating foam by utilizing the device.
Description
Technical field
The present invention relates to a kind of foam-making apparatus.
Background technology
In recent years, the earth pressure balanced shield, EPBS job practices is widely applied, and in the face of the complexity of various geological conditionss, foam-making apparatus has become the requisite device of balancing earth-pressure shielding machine improvement soil, the Based Intelligent Control foam-making apparatus that existing shield machine is supporting, cost involves great expense.
Summary of the invention
The object of the present invention is to provide a kind of foam-making apparatus, construct by means of the partial component of shield machine self and form, can realize saving the purpose of cost.
Another object of the present invention is to provide a kind of foam-generating method, utilize the partial component of shield machine self to produce foam, to save cost.
For realizing described purpose, foam-making apparatus of the present invention, be applicable to balancing earth-pressure shielding machine, be characterized in, comprise the compressed air feeding unit, the foaming agent feeding unit, for water unit and foam generation unit, wherein compressed air feeding unit and confession water unit are selected from the compressed air feeding unit of this balancing earth-pressure shielding machine and supply water unit, be connected with supply channel for water unit, the foaming agent feeding unit is connected with the foaming agent supply line, supply channel is connected with the foaming agent supply line and is connected mixed pipe line, at this mixed pipe line, foaming agent and water mix, mixed pipe line is connected respectively to an input of foam generation unit, and the compressed air feeding unit is connected to another input of foam generation unit, and what the output of foam generation unit was connected to shield machine adds mud filler pipe road.
Described foam-making apparatus, its further characteristics are, the foam generation unit comprises the single or multiple foam makers that are set up in parallel, mixed pipe line is connected respectively to an input of these foam makers, the compressed air feeding unit is connected respectively to another input of these foam makers, and the output of these foam makers is connected to and adds mud filler pipe road.
Described foam-making apparatus, its further characteristics are that the output of these foam makers is connected to the debugging observation panel for the manual observation foam.
Described foam-making apparatus, its further characteristics are that compressed air feeding unit, foaming agent pump and confession water unit dispose respectively frequency converter, the control of these unit are regulated proportioning and the compressed-air actuated supply of water, foaming agent according to frequency converter.
For realizing described purpose, foam-generating method of the present invention is applicable to balancing earth-pressure shielding machine, is characterized in, comprising: the foaming agent feeding unit is provided, connects the foaming agent supply line with the foaming agent feeding unit; The water unit that supplies with this balancing earth-pressure shielding machine connects supply channel; Supply channel and foaming agent supply line are connected to mixed pipe line, and make foaming agent that the foaming agent feeding unit provides and mix at mixed pipe line for the water that water unit provides; Mixed pipe line is connected to the input of foam generation unit, and the compressed air feeding unit of this balancing earth-pressure shielding machine is connected to the input of foam generation unit, after mixed water and foaming agent enter into the foam generation unit, compressed air is fed to the foam generation unit, to produce foam; And with foam from foam generation unit output, and the cutterhead water filling port that mud filler pipe road is injected into this balancing earth-pressure shielding machine that adds by this balancing earth-pressure shielding machine.
Described foam-generating method, its further characteristics are proportioning and the compressed-air actuated supply of utilizing frequency converter that water, foaming agent are regulated respectively in the control of compressed air feeding unit, foaming agent feeding unit, confession water unit.
Described foam-generating method, its further characteristics be, the debugging observation panel that utilizes the output of foam generation unit to connect comes the production of hand inspection foam.
Utilize original compressed air feeding unit on the shield machine, supply water unit, add foaming agent pump and foam maker and just can realize a kind of easy foam-making apparatus, thus reach reduce cost, easy to install, successfully improve the effect of shield structure soil storehouse soil.
Description of drawings
Fig. 1 is the schematic diagram of foam-making apparatus of the present invention.
The specific embodiment
Foam-making apparatus 100 comprises compressed air feeding unit 10, foaming agent feeding unit 20, supplies water unit 31 and foam generation unit 41,42,43.Wherein compressed air feeding unit 10 and confession water unit 31 are the own unit of shield machine.Comprise a water pump for water unit 31, communicate with the mud of adding filler pipe road is arranged in shield machine for water unit 31.Also be communicated with supply channel 711 for water unit 31.Foaming agent feeding unit 20 is connected with foaming agent supply line 712, foaming agent supply line 712 and supply channel 711 cross at mixed pipe line 700 places, mixed pipe line 700 is connected with the foam generation unit, the foam generation unit comprises three foam makers 41,42,43, and the output of these foam makers is connected respectively to and adds mud filler pipe road.
As shown in Figure 1, utilize for water unit 31 water is adjusted to certain pressure, foaming agent feeding unit 20 is adjusted to certain pressure with foaming agent, water with pressure mixes in mixed pipe line according to certain proportioning with the foaming agent with pressure, enter into each foam producer after mixing, after this, thereby the compressed air feeding unit is input to compressed air and produces foam in the foam generation unit, the foam that produces is sent to from the foam generation unit and adds mud filler pipe road, then be directly injected into the cutterhead water filling port, enter Tu Cang, thereby reach adjusting, the effect of improvement soil.
Valve 54,53,59 is one way valve in Fig. 1, and valve 56,52,551,552,553,57,58 is opened when needs produce foam, and valve 511,512 is closed.When not needing to produce foam, valve 56,52,551,552,553,57,58 is closed, and valve 511,512 is opened, and directly inputs water to adding mud filler pipe road for water unit 31,32.
After the output of each foam maker also was connected with debugging observation port 80, opens valve 810, manually whether acquisition part foam from debugging observation port 80 was observed foam effect and is met the requirements.
In Fig. 1, compressed air feeding unit 10, foaming agent feeding unit 20, confession water unit 31 preferably dispose frequency converter, by the control of frequency converter to these unit, and the as required proportioning of proportioning water, foaming agent, and compressed-air actuated supply.
In Fig. 1, supplying water unit 32 also is an own unit of shield machine, for being supplied to, water adds mud filler pipe road (or pipeline), the foam of foam generating unit output also can join with its output pipe, foam is injected into the cutterhead water filling port, enter Tu Cang, thereby reach the effect of adjusting, improvement soil.
Claims (7)
1. foam-making apparatus, be applicable to balancing earth-pressure shielding machine, it is characterized in that, comprise the compressed air feeding unit, the foaming agent feeding unit, for water unit and foam generation unit, wherein compressed air feeding unit and confession water unit are selected from the compressed air feeding unit of this balancing earth-pressure shielding machine and supply water unit, be connected with supply channel for water unit, the foaming agent feeding unit is connected with the foaming agent supply line, supply channel is connected with the foaming agent supply line and is connected mixed pipe line, at this mixed pipe line, foaming agent and water mix, mixed pipe line is connected to an input of foam generation unit, the compressed air feeding unit is connected to another input of foam generation unit, and what the output of foam generation unit was connected to shield machine adds mud filler pipe road; Also comprise second for water unit, the second confession water unit also is an own unit of shield machine, for being supplied to, water adds mud filler pipe road, the foam of foam generation unit output also joins with the second output pipe for water unit, foam is injected into the cutterhead water filling port, enter Tu Cang, thereby reach the effect of adjusting, improvement soil.
2. foam-making apparatus as claimed in claim 1, it is characterized in that, the foam generation unit comprises the single or multiple foam makers that are set up in parallel, mixed pipe line is connected respectively to an input of these foam makers, the compressed air feeding unit is connected respectively to another input of these foam makers, and the output of these foam makers is connected to and adds mud filler pipe road.
3. foam-making apparatus as claimed in claim 2 is characterized in that, the output of these foam makers is connected to the debugging observation panel for the manual observation foam.
4. foam-making apparatus as claimed in claim 1, it is characterized in that, compressed air feeding unit, foaming agent feeding unit and confession water unit dispose respectively frequency converter, the control of these unit is regulated proportioning and the compressed-air actuated supply of water, foaming agent according to frequency converter, improved the foam generation to best effect thereby reach.
5. a foam-generating method is applicable to balancing earth-pressure shielding machine, it is characterized in that, comprising:
The foaming agent feeding unit is provided, connects the foaming agent supply line with the foaming agent feeding unit;
The water unit that supplies with this balancing earth-pressure shielding machine connects supply channel;
Supply channel and foaming agent supply line are connected to mixed pipe line, and make foaming agent that the foaming agent feeding unit provides and mix at mixed pipe line for the water that water unit provides, form mixed liquor;
Mixed pipe line is connected to the input of foam generation unit, and the compressed air feeding unit of this balancing earth-pressure shielding machine is connected to the input of foam generation unit, after mixing, after the mixed liquor of water and foaming agent enters into the foam generation unit, with compressed air an amount of be fed to the foam generation unit, to produce foam; And with foam from foam generation unit output, and the cutterhead water filling port that mud filler pipe road is injected into this balancing earth-pressure shielding machine that adds by this balancing earth-pressure shielding machine;
Also utilize second for water unit, the second confession water unit also is an own unit of shield machine, water is supplied to adds mud filler pipe road, the foam of foam generation unit output also joins with the second output pipe for water unit, foam is injected into the cutterhead water filling port, enter Tu Cang, thereby reach the effect of adjusting, improvement soil.
6. foam-generating method as claimed in claim 5 is characterized in that, proportioning and the compressed-air actuated supply of utilizing frequency converter that water, foaming agent are regulated respectively in the control of compressed air feeding unit, foaming agent feeding unit, confession water unit.
7. foam-generating method as claimed in claim 5 is characterized in that, the debugging observation panel that utilizes the output of foam generation unit to connect comes the production of hand inspection foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102472129A CN101812989B (en) | 2009-12-28 | 2009-12-28 | Foam generating device and foam generating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102472129A CN101812989B (en) | 2009-12-28 | 2009-12-28 | Foam generating device and foam generating method |
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| Publication Number | Publication Date |
|---|---|
| CN101812989A CN101812989A (en) | 2010-08-25 |
| CN101812989B true CN101812989B (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102472129A Active CN101812989B (en) | 2009-12-28 | 2009-12-28 | Foam generating device and foam generating method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103397887B (en) * | 2013-08-19 | 2016-01-06 | 中交天和机械设备制造有限公司 | A kind of shield machine add mud, foaming system |
| CN104234719A (en) * | 2014-09-20 | 2014-12-24 | 辽宁三三工业有限公司 | Foaming system of shield tunneling machine |
| CN110539401A (en) * | 2019-09-11 | 2019-12-06 | 北京铁科特种工程技术有限公司 | Method for preparing foamed light soil for railway roadbed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2263490A (en) * | 1992-01-23 | 1993-07-28 | Ohbayashi Corp | Mechanical shield driving method using foaming agent |
| CN2614776Y (en) * | 2003-05-07 | 2004-05-12 | 河海大学 | Bubble foaming device for earth working |
| DE10354082A1 (en) * | 2003-11-19 | 2005-06-30 | Robert Schreiber | Method for joining an underground product pipe to a collector pipe involves injection of a sealing foam into the space between a seal in a shield pipe and the collector pipe |
| CN201003403Y (en) * | 2006-12-28 | 2008-01-09 | 中国矿业大学(北京) | Underground engineering rock modification foam generator |
| CN201339473Y (en) * | 2008-12-24 | 2009-11-04 | 中铁隧道集团有限公司 | Foam injection device for composite shield ground conditioning system |
-
2009
- 2009-12-28 CN CN2009102472129A patent/CN101812989B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2263490A (en) * | 1992-01-23 | 1993-07-28 | Ohbayashi Corp | Mechanical shield driving method using foaming agent |
| CN2614776Y (en) * | 2003-05-07 | 2004-05-12 | 河海大学 | Bubble foaming device for earth working |
| DE10354082A1 (en) * | 2003-11-19 | 2005-06-30 | Robert Schreiber | Method for joining an underground product pipe to a collector pipe involves injection of a sealing foam into the space between a seal in a shield pipe and the collector pipe |
| CN201003403Y (en) * | 2006-12-28 | 2008-01-09 | 中国矿业大学(北京) | Underground engineering rock modification foam generator |
| CN201339473Y (en) * | 2008-12-24 | 2009-11-04 | 中铁隧道集团有限公司 | Foam injection device for composite shield ground conditioning system |
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| Publication number | Publication date |
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| CN101812989A (en) | 2010-08-25 |
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| CB03 | Change of inventor or designer information |
Inventor after: Wang Weidong Inventor after: Li Hanjun Inventor after: Hu Zhenmin Inventor after: Wang Zhixin Inventor after: Tang Yenan Inventor after: Yan Haicheng Inventor before: Wang Weidong Inventor before: Wang Zhixin Inventor before: Tang Yenan |
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Free format text: CORRECT: INVENTOR; FROM: WANG WEIDONG WANG ZHIXIN TANG YENAN TO: WANG WEIDONG LI HANJUN HU ZHENMIN WANG ZHIXIN TANG YENAN YAN HAICHENG |
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