CN109944599A - A method of it is excessive to solve shield dregs water content - Google Patents
A method of it is excessive to solve shield dregs water content Download PDFInfo
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- CN109944599A CN109944599A CN201910186477.6A CN201910186477A CN109944599A CN 109944599 A CN109944599 A CN 109944599A CN 201910186477 A CN201910186477 A CN 201910186477A CN 109944599 A CN109944599 A CN 109944599A
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- dregs
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- water content
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Abstract
The invention discloses a kind of methods that solution shield dregs water content is excessive, belong to metro shield dregs field, it solves the problems, such as that shield dregs water content is excessive, is characterized in that: carrying out dregs aqueous treatment in dregs pond according to certain construction technology by the A liquid containing acrylate monomers, crosslinking agent and promotor and the B liquid containing initiator.Shield dregs bottom of pond portion is arranged to one end inclination, the measurement of the moisture content in live dregs hole is carried out, the addition of A liquid, B liquid is carried out according to different water cut, is then stirred with digging machine；The present invention, which solves the problems, such as during shield dregs transportation that water content is excessive, to be caused mud to spill to generate expensive clear section expense on public transport road and seriously affect ambient enviroment.
Description
Technical field
It is specifically a kind of to solve the excessive method of shield dregs water content the present invention relates to metro shield dregs field.
Background technique
With the continuous development of urban rail transit in China, urban underground space has obtained quick development and utilization, ground
Lower tunnel construction enters peak period, and shield-tunneling construction is with safety is good, mechanization degree is high, driving speed is fast, disturbs to environment
The advantages that small, ground adaptability is wide is moved, is rapidly promoted in fields such as urban track traffic, vcehicular tunnel, municipal pipelines
And apply, shield construction is all used in a large amount of engineering constructions.Work progress can generate a large amount of dregs, what related shield generated
Dregs admixture has soil improvement foaming agent, and slurries, underground water that mineral substance bentonite and slip casting generate etc. is to shield dregs
Outward transport brings very big trouble, these dregs mud containing rates are high, moisture content is big, loosely organized, in transportational process, inevitable
Phenomenon is spilt, mud is spilt on public transport road, not only generates expensive clear section expense, and seriously affect surrounding
Environment, these mud can cause fugitive dust after air-drying and air quality caused to decline.
Acrylates hydrogel is a kind of special material for being swollen water but being not dissolved in water, in the initiation of polymerization reaction chain, chain
Several times to thousands of times of own wt of water can be absorbed during growth, chain termination.The present invention is by acrylates grouting material A, B
Slurries, uniformly with shield dregs, machinery can quickly absorb moisture in dregs and be formed after mixing and stirring have some strength for sprinkling respectively
Gelinite, by dregs bonding get up, be readily transported.
Summary of the invention
It is directed to the shield dregs present invention and has prepared dedicated A, B liquid to reach and solve that shield dregs moisture content is excessive asks
Topic, the purpose of the present invention is to provide a kind of methods that solution shield dregs water content is excessive, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A method of solution shield dregs water content is excessive, is carried out by homemade A liquid, B liquid according to certain construction technology
The aqueous treatment of dregs in dregs pond；
A liquid, the component of B liquid and concentration are as follows:
A liquid: acrylate monomers, crosslinking agent (0.03-0.07%), promotor (0.25-0.8%) and water；
B liquid: initiator (0.009-0.021%) and water；
The two (A liquid, B liquid), which is added in 1:1 ratio and passes through stirring generation polymerization reaction, forms flexible hydrogel.
A liquid, 1.5 ‰ that B liquid additive amount is dregs moisture content in dregs pond.
As a further solution of the present invention: acrylate monomers: appointing in calcium acrylate, Magnesium Acrylate Prepared and sodium acrylate
It anticipates one or more, is made by acrylic acid and hydroxide neutralization reaction.
- methylene-bisacrylamide, divinylbenzene, two isocyanides as a further solution of the present invention: crosslinking agent: N, N '
Any one or more in acid esters and glycol diacrylate.
As a further solution of the present invention: promotor: accelerating the reaction speed of collosol and gel and in-situ polymerization.Selected from three
Any one in ethanol amine, calcium formate, calcium chloride and calcium nitrite.
As further scheme of the invention: initiator: ammonium persulfate, isopropyl benzene hydroperoxide, potassium peroxydisulfate, over cure
Change any one in hydrogen etc..
A method of it is excessive solving shield dregs water content comprising following steps:
Step 1, the setting for carrying out dregs pond；
In the construction dregs pond stage, shield dregs bottom of pond portion is arranged to one end inclination, the gradient is 6 ° or so；
Step 2, the measurement for carrying out moisture content in live dregs hole；
Step 3, the addition that A liquid, B liquid are carried out according to different water cut, are then stirred with digging machine.
As a further solution of the present invention: in step 1, shield is slagged tap when being hung out using gantry crane, by shield dregs
It is poured on the higher side of dregs bottom of pond portion, in order to which ponding is flowed to the other side.
As further scheme of the invention: in step 3, the thickness of dregs takes the side that layering is mixed and stirred in dregs pond
A liquid, B liquid are added dregs pond and mixed and stirred one by one by method.
As further scheme of the invention: in step 3, when dregs scum soil height reaches one meter of thickness, according to not
Corresponding A liquid is added with moisture content, mix and stir for the first time with digging machine；
Then corresponding B liquid is added according to different water cut, is mixed and stirred for the second time with digging machine, guarantee to mix and stir when mixing and stirring
Effect；
The lower one end of dregs bottom of pond portion, the concentration of A, B liquid suitably increase, the higher one end of dregs bottom of pond portion, A, B liquid
Concentration suitably reduces.
Compared with prior art, the beneficial effects of the present invention are:
It is disclosed by the invention it is a kind of solve the excessive method of shield dregs water content, by self-control containing acrylate monomers,
The A liquid of crosslinking agent and promotor and B liquid containing initiator carry out dregs aqueous treatment in dregs pond according to certain construction technology；
The present invention solve water content during shield dregs transportation it is excessive cause mud spill generated on public transport road it is expensive
Clear section expense and seriously affect the problem of ambient enviroment.
Specific embodiment
Technical solution of the present invention is described in more detail With reference to embodiment.
Embodiment 1
A method of solution shield dregs water content is excessive, and since shield-tunneling construction can generate a large amount of dregs, dregs contains
Mud rate is high, moisture content is big, loosely organized.Shield is slagged tap when being hung out using gantry crane, and it is inclined that shield dregs is poured on dregs bottom of pond portion
High side, in order to which ponding is flowed to the other side.
According to the method that the thickness of dregs in dregs pond takes layering to mix and stir, A liquid, B liquid are added dregs pond and carried out one by one
It mixes and stirs.
Consist of the following mass percentage components:
A liquid: acrylate monomers, crosslinking agent (0.03%), promotor (0.25%), water.
B liquid: initiator (0.009%), water.
A liquid, B liquid 1:1 mixing.
The measurement of the moisture content in live dregs hole is carried out first, and A liquid, B liquid additive amount are dregs moisture content in dregs pond
1.5 ‰.
According to the method that the thickness of dregs in dregs pond takes layering to mix and stir, mixed and stirred one by one.
When dregs scum soil height reaches one meter of thickness, corresponding A liquid is added according to different water cut, carries out the with digging machine
Once mix and stir.
Then corresponding B liquid is added according to different water cut, is mixed and stirred for the second time with digging machine, guarantee to mix and stir when mixing and stirring
Effect.
The lower one end of dregs bottom of pond portion, the concentration of A, B liquid suitably increase, the higher one end of dregs bottom of pond portion, A, B liquid
Concentration suitably reduces.
Embodiment 2
A method of solution shield dregs water content is excessive, and A liquid, B liquid are added dregs pond and are mixed and stirred one by one.Remaining
Step is same as Example 1,
Consist of the following mass percentage components:
A liquid: acrylate monomers, crosslinking agent (0.05%), promotor (0.45%), water.
B liquid: initiator (0.015%), water.
A liquid, B liquid 1:1 mixing.
The measurement of the moisture content in live dregs hole is carried out first, and A liquid, B liquid additive amount are dregs moisture content in dregs pond
1.5 ‰.
According to the method that the thickness of dregs in dregs pond takes layering to mix and stir, mixed and stirred one by one.
When dregs scum soil height reaches one meter of thickness, corresponding A liquid is added according to different water cut, carries out the with digging machine
Once mix and stir.
Then corresponding B liquid is added according to different water cut, is mixed and stirred for the second time with digging machine, guarantee to mix and stir when mixing and stirring
Effect.
The lower one end of dregs bottom of pond portion, the concentration of A, B liquid suitably increase, the higher one end of dregs bottom of pond portion, A, B liquid
Concentration suitably reduces.
Embodiment 3
A method of solution shield dregs water content is excessive, and A liquid, B liquid are added dregs pond and are mixed and stirred one by one, remaining
Step is same as Example 1.
Consist of the following mass percentage components:
A liquid: acrylate monomers, crosslinking agent (0.07%), promotor (0.8%), water.
B liquid: initiator (0.021%), water.
A liquid, B liquid 1:1 mixing.
The measurement of the moisture content in live dregs hole is carried out first, and A liquid, B liquid additive amount are dregs moisture content in dregs pond
1.5 ‰.
According to the method that the thickness of dregs in dregs pond takes layering to mix and stir, mixed and stirred one by one.
When dregs scum soil height reaches one meter of thickness, corresponding A liquid is added according to different water cut, carries out the with digging machine
Once mix and stir.
Then corresponding B liquid is added according to different water cut, is mixed and stirred for the second time with digging machine, guarantee to mix and stir when mixing and stirring
Effect.
The lower one end of dregs bottom of pond portion, the concentration of A, B liquid suitably increase, the higher one end of dregs bottom of pond portion, A, B liquid
Concentration suitably reduces.
Embodiment 4
A method of solution shield dregs water content is excessive, and since shield-tunneling construction can generate a large amount of dregs, dregs contains
Mud rate is high, moisture content is big, loosely organized.Shield is slagged tap when being hung out using gantry crane, and it is inclined that shield dregs is poured on dregs bottom of pond portion
High side, in order to which ponding is flowed to the other side.
According to the method that the thickness of dregs in dregs pond takes layering to mix and stir, A liquid, B liquid are added dregs pond and carried out one by one
It mixes and stirs.
Consist of the following mass percentage components:
A liquid: acrylate monomers, crosslinking agent (0.03%), promotor (0.25%), water.
B liquid: initiator (0.009%), water.
A liquid, B liquid 1:1 mixing.
The measurement of the moisture content in live dregs hole is carried out first, and A liquid, B liquid additive amount are dregs moisture content in dregs pond
1.5 ‰.
When dregs scum soil height reaches 0.5 meter of thickness, corresponding A liquid, B liquid are added according to different water cut.
Embodiment 5
A method of solution shield dregs water content is excessive, and since shield-tunneling construction can generate a large amount of dregs, dregs contains
Mud rate is high, moisture content is big, loosely organized.Shield is slagged tap when being hung out using gantry crane, and it is inclined that shield dregs is poured on dregs bottom of pond portion
High side, in order to which ponding is flowed to the other side.
According to the method that the thickness of dregs in dregs pond takes layering to mix and stir, A liquid, B liquid are added dregs pond and carried out one by one
It mixes and stirs.
Consist of the following mass percentage components:
A liquid: acrylate monomers, crosslinking agent (0.03%), promotor (0.25%), water.
B liquid: initiator (0.009%), water.
A liquid, B liquid 1:1 mixing.
The measurement of the moisture content in live dregs hole is carried out first, and A liquid, B liquid additive amount are dregs moisture content in dregs pond
1.5 ‰.
When dregs scum soil height reaches 1 meter of thickness, corresponding A liquid, B liquid are added according to different water cut.
Embodiment 6
A method of solution shield dregs water content is excessive, and since shield-tunneling construction can generate a large amount of dregs, dregs contains
Mud rate is high, moisture content is big, loosely organized.Shield is slagged tap when being hung out using gantry crane, and it is inclined that shield dregs is poured on dregs bottom of pond portion
High side, in order to which ponding is flowed to the other side.
According to the method that the thickness of dregs in dregs pond takes layering to mix and stir, A liquid, B liquid are added dregs pond and carried out one by one
It mixes and stirs.
Consist of the following mass percentage components:
A liquid: acrylate monomers, crosslinking agent (0.03%), promotor (0.25%), water.
B liquid: initiator (0.009%), water.
A liquid, B liquid 1:1 mixing.
The measurement of the moisture content in live dregs hole is carried out first, and A liquid, B liquid additive amount are dregs moisture content in dregs pond
1.5 ‰.
When dregs scum soil height reaches 1.5 meters of thickness, corresponding A liquid, B liquid are added according to different water cut.
In conclusion embodiment 1-6 is to carry out site operation according to the optimal proportion and dregs thickness of experimental determination.
The measurement of the moisture content in live dregs hole is carried out first, and A liquid, B liquid additive amount are dregs moisture content in dregs pond
1.5 ‰.
Shield is slagged tap when being hung out using gantry crane, shield dregs is poured on the higher side of dregs bottom of pond portion, in order to product
Water is flowed to the other side.
First A liquid is uniformly sprayed on layering dregs, is stirred evenly with digging machine, then B liquid is uniformly sprayed with same step
Onto dregs, stirred evenly again with digging machine.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and embodiment shown and described herein.
Claims (10)
1. a kind of solve the excessive method of shield dregs water content, which is characterized in that carried out in dregs pond by homemade A liquid, B liquid
The aqueous treatment of dregs, the component of A liquid, B liquid are as follows:
A liquid: acrylate monomers, crosslinking agent, promotor and water；
B liquid: initiator and water；
Wherein, the concentration of crosslinking agent is 0.03-0.07%, and the concentration of promotor is 0.25-0.8%, and the concentration of initiator is
0.009-0.021%.
2. according to claim 1 solve the excessive method of shield dregs water content, which is characterized in that A liquid, B liquid press 1:1
Ratio, which is added and passes through stirring, occurs polymerization reaction formation hydrogel.
3. according to claim 2 solve the excessive method of shield dregs water content, which is characterized in that A liquid, the addition of B liquid
Amount is 1.5 ‰ of dregs moisture content in dregs pond.
4. according to claim 3 solve the excessive method of shield dregs water content, which is characterized in that the acrylates
Monomer: any one or more in calcium acrylate, Magnesium Acrylate Prepared and sodium acrylate, by acrylic acid and hydroxide neutralization reaction
It is made.
5. according to claim 4 solve the excessive method of shield dregs water content, which is characterized in that the crosslinking agent:
Any one in N, N '-methylene-bisacrylamide, divinylbenzene, diisocyanate and glycol diacrylate is more
Kind.
6. according to claim 5 solve the excessive method of shield dregs water content, which is characterized in that the promotor is
Any one in triethanolamine, calcium formate, calcium chloride and calcium nitrite.
7. a kind of excessive method of solution shield dregs water content as described in claim 1-6 is any, which is characterized in that step
It is as follows:
Step 1, the setting for carrying out dregs pond
In the construction dregs pond stage, shield dregs bottom of pond portion is arranged to one end inclination；
Step 2, the measurement for carrying out moisture content in live dregs hole；
Step 3, the addition that A liquid, B liquid are carried out according to different water cut, are then stirred with digging machine.
8. according to claim 7 solve the excessive method of shield dregs water content, which is characterized in that in step 1, shield
Structure dregs bottom of pond portion is arranged to one end inclination, and the gradient is 6 °, and shield is slagged tap when being hung out using gantry crane, and shield dregs is poured on slag
The higher side of native bottom of pond portion.
9. according to claim 8 solve the excessive method of shield dregs water content, which is characterized in that in step 3, slag
The thickness of dregs takes the method that layering is mixed and stirred in native pond, and A liquid, B liquid are added dregs pond and are mixed and stirred one by one.
10. according to claim 9 solve the excessive method of shield dregs water content, which is characterized in that in step 3,
When dregs scum soil height reaches one meter of thickness, corresponding A liquid is added according to different water cut, mix for the first time with digging machine
With；
Then corresponding B liquid is added according to different water cut, is mixed and stirred for the second time with digging machine, guarantee to mix and stir effect when mixing and stirring
Fruit；
The concentration of the lower one end of dregs bottom of pond portion, A, B liquid increases, and the higher one end of dregs bottom of pond portion, the concentration of A, B liquid subtracts
It is small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910186477.6A CN109944599A (en) | 2019-03-12 | 2019-03-12 | A method of it is excessive to solve shield dregs water content |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910186477.6A CN109944599A (en) | 2019-03-12 | 2019-03-12 | A method of it is excessive to solve shield dregs water content |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113402216A (en) * | 2021-08-10 | 2021-09-17 | 中国市政工程华北设计研究总院有限公司 | Shield muck curing agent and resource utilization method thereof |
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| CN113402216A (en) * | 2021-08-10 | 2021-09-17 | 中国市政工程华北设计研究总院有限公司 | Shield muck curing agent and resource utilization method thereof |
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