CN109762538A - A kind of multifunctional polymer mud powder and preparation method thereof - Google Patents
A kind of multifunctional polymer mud powder and preparation method thereof Download PDFInfo
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- CN109762538A CN109762538A CN201910169723.7A CN201910169723A CN109762538A CN 109762538 A CN109762538 A CN 109762538A CN 201910169723 A CN201910169723 A CN 201910169723A CN 109762538 A CN109762538 A CN 109762538A
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Abstract
The present invention relates to a kind of multifunctional polymer mud powder and preparation method thereof, mainly use pulping agent, retaining wall stabilizer, sediment agent, chaotropic agent, regulator is compound to be formulated, each component parts by weight are as follows: 30-80 parts of pulping agent, 1-20 parts of retaining wall stabilizer, 1-20 parts of sediment agent, 1-15 parts of chaotropic agent, 1-15 parts of regulator, it is mainly characterized by: process flow is rationally simple, high production efficiency, packaging and convenient transport, non-pollutant discharge, it is at low cost, utilize multifunctional polymer mud powder produced by the invention, compared with prior art, specific gravity is small, additive amount is few, dissolution is fast, viscosity is high, filter loss is low, sediment weight is few, cycle-index is more, the advantages that pollution-free, it is had a good application prospect in pile foundation construction.
Description
Technical field
The present invention relates to technical field of buildings, more particularly to a kind of multifunctional polymer mud powder and preparation method thereof.
Background technique
Mud is that vital necessary material, poor drilling slurry can generate following influence in drilling construction: (1) protecting
Wall mud film cannot be formed or mudcake adhesion strength is bad, be easy to cause and fallen off, and keep wall stability inadequate, thus easily occur undergauge and
Collapse hole.(2) than great, the mud that consistency is low, sand factor is high forms the big mudcake of thickness, increases the side friction of stake.(3)
Thick slurry deposit adhesion reduces the bond stress of reinforcing bar and concrete on steel reinforcement cage.(4) mud of excessive specific gravity increases mixed
The resistance of solidifying soil underwater grouting, reduces concrete flow radius, has accumulated most of aggregate in stake core position, and bone
Material is outside steel reinforcement cage almost without not only pile quality is bad, can not play the effect of the side friction of stake.
Chemical polymerization object mud is stepping into market as a kind of new material, performance be different from clay mortar,
Bentonite slurry has the ability of significant precipitating silt and drilling cuttings rapidly, the especially more difficult adaptation of bentonite and clay intricately
Matter condition and the thicker stratum of layer of sand.In addition its viscosity is high, and specific gravity is small, the small feature of sand factor construct at the scene in achieve it is good
Good actual effect.Simultaneously because its water requirement is smaller, penetrating power is strong, performance lasting strong, clean and environmental protection characteristic is to the later period
Environment restoration establishes good basis；In enhancing bearing capacity of pile foundation, reduce perfusion difficulty and construction cost, reduction labor intensity of workers
Etc. have obvious effect, greatly improve engineering construction progress and quality.Chemical slurry has weight in terms of retaining wall leak stopping
It acts on, there is important directive significance to the construction of pile foundation engineering.But current polymer mud, which all exists, dissolves slow, viscosity
Small, the deficiencies of retaining wall anti-seepage effect is poor, sediment is more, the present invention propose a kind of new solution in view of the above problems.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome the additive amount that mud has in the prior art is big, viscosity is low,
The deficiencies of dissolution is slow, infiltration is fast, sediment is more provides a kind of multifunctional polymer mud powder and preparation method thereof.
The technical scheme adopted by the invention to solve the technical problem is that: a kind of multifunctional polymer mud powder, mud powder
Including pulping agent, retaining wall stabilizer, sediment agent, chaotropic agent and regulator, each component parts by weight of mud powder are as follows: pulping agent 30-
80 parts, 1-20 parts of retaining wall stabilizer, 1-20 parts of sediment agent, 1-15 parts of chaotropic agent, 1-15 parts of regulator.
Preferably, 65 parts of the pulping agent, 10 parts of retaining wall stabilizer, 10 parts of sediment agent, 5 parts of chaotropic agent, regulator 10
Part.
Preferably, in multifunctional polymer mud powder described above, the pulping agent be anionic polyacrylamide,
One of cationic polyacrylamide, non-ionic polyacrylamide, amphoteric ion polyacrylamide are a variety of.Polyacrylamide
It is a kind of linear macromolecule polymer soluble easily in water, due to containing hydrophilic radical, there are also skeleton, there is certain activity on surface,
The tension of water surface can be reduced, to reduce the frictional resistance between liquid, and strand and dispersed phase pass through various machines
Dispersed phase is involved together, forms reticular structure, it is possible to provide the viscosity and stabilization of slurry liquid by the effects of tool, physics, chemistry
Property.The polar group in polyacrylamide can adsorb the suspended matter in water simultaneously, form interionic and build bridge, formed biggish
Collect polymers and there is superior flocculability.
Preferably, the retaining wall stabilizer is sodium carboxymethylcellulose and polyacrylic acid potassium: because of macromolecule, there is suppression
Mud shale and drilling cuttings peptizaiton processed has drop dehydration concurrently, improves flow pattern and increases the performances such as lubrication.Stratum can effectively be inhibited
Pulping can simultaneously cooperate with a variety of inorganic agents.The presence of potassium ion simultaneously, moreover it is possible to prevent the water of ooze shale and brittle property mud shale
Change and peel off, plays the role of stabilizing borehole.
Preferably, the sediment agent is aluminium polychloride, polyaluminium sulfate, alum, poly-ferric chloride and low molecule
Two or more in weight polyacrylamide.The sediment agent by absorption, gantry, be crosslinked the effects of, make coacervation of colloid.Simultaneously also
Physicochemical change occurs, neutralizes the charge on colloidal particles and suspended matter surface, reduces δ current potential, make colloidal particles by original
Repel each other and become attracting, destroy micelle stability, collide colloidal particles mutually, to form cotton-shaped coagulation rapid precipitation,
Make the sediments rapid precipitation such as silt, mud is made to keep limpid.
Preferably, the chaotropic agent is urea and sodium chloride.Polyacrylamide chain structure is not all linear straight
Chain macromolecular, the structure being crosslinked comprising branch and imidization in its polymer chain structure.Low molecule amide compound urine is added
Element, it is possible to reduce the hydrogen bond quantity of polyacrylamide interchain weakens the interchain association of polyacrylamide, to accelerate polypropylene
Amide dissolves in water, reduces clustering phenomena, while sodium chloride can have the function that solubilising, that is, further speed up polyacrylamide
Dissolution.
Preferably, the regulator is sodium hydroxide and sodium carbonate.Sediment sinking speed is set to become faster, floc sedimentation becomes larger.
Increase the viscosity of polyacrylamide simultaneously, to improve mud viscosity.
Preferably, the Molecular Weight for Polyacrylamide is 1800-3000 ten thousand.
Preferably, the pulping agent, retaining wall stabilizer, sediment agent, chaotropic agent, regulator granularity are 40-120
Mesh.
The present invention also designs a kind of preparation method of multifunctional polymer mud powder, comprising the following steps:
A, prepare mud powder raw material: 30-80 parts of pulping agent, 1-20 parts of retaining wall stabilizer, 1-20 parts of sediment agent, chaotropic agent
1-15 parts, 1-15 parts of regulator；
B, mud powder raw material mix: high by closed combined type is put into after the raw material in step a by weight ratio weighing
Multifunctional polymer mud powder can be obtained by stirring 5-10 minutes in effect batch mixer；
C, finished product is collected: mud powder mixed in step b being put into bag body or storage can, is then sutured to bag body
And storage can is sealed；
Mud powder according to the present invention can be applied to slurry liquid manufacture, manufacturing process are as follows:
The composition weight number of mud powder and water first are as follows: 1.5-8 parts and water 8000-15000 parts of mud powder.
Currently preferred weight fraction is 4 parts of mud powder, and 10000 parts of water, the mud powder and water got ready are put into mud
It is mixed in liquid mixer, finally obtains slurry liquid finished product.
Based on the above-mentioned technical proposal, mud powder of the present invention is unique formula, has good instant performance
(the mud powder can dissolve to form wire drawing shape sticky slurry liquid moment in water, can fast onset effect, and improve construction effect
Rate), in addition, its functional diversities, while having both instant high viscous, antiseepage retaining wall, quick sediment and environment-friendly degradable various functions.It should
The molecular weight of polymer mud is up to 20,000,000 or more, spreads after strand hydrolysis, and be connected on other strands, because
This mud for being formed is more sticky and approximate paste, and drilling cuttings is made to cling and precipitate to the greatest extent.The mud system is capable of providing
Pressure is to hole wall, while the mud macromolecular can carry the substances such as silt and form fine and close reticular membrane to infiltration around hole wall,
To play the role of excellent retaining wall antiseepage, drilling is avoided to collapse in caving ground.Meanwhile making the delivered payload capability of churning driven
It maximizes, hence it is evident that accelerate the driving speed of spiral-digging pore.In addition the polymer mud itself can decompose degradation completely, to environment
It does not pollute, there is high-efficiency environment friendly characteristic, in addition, it is easy to use, do not have to special with slurry in pulping pond in advance, directly construction
It can be used in water in added holes in the process；Additive amount is few, and generally making slurry mass concentration is 0.03%；During the mud powder belongs to
Property additive, it is corrosion-free pollution-free；It is instant high viscous, generally it is added to the water 2s just and will form wire drawing shape and is thick；Antiseepage retaining wall effect
Fruit is good, sediment quickly, Degradable environment protection；Mud powder raw material is from a wealth of sources, cheap.
Specific embodiment
With reference to embodiment, the embodiment of the present invention is furthur described in detail.Following embodiment is used for
Illustrate the present invention, but is not intended to limit the scope of the invention.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
Embodiment 1:
The present invention relates to a kind of multifunctional polymer mud powder, the mud powder includes pulping agent, retaining wall stabilizer, sediment
Agent, chaotropic agent and regulator, each component parts by weight of mud powder are as follows: 30-80 parts of pulping agent, 1-20 parts of retaining wall stabilizer, sediment
1-20 parts of agent, 1-15 parts of chaotropic agent, 1-15 parts of regulator.
In the present embodiment, in order to preferably using mud powder, 65 parts of the pulping agent, 10 parts of retaining wall stabilizer, sediment
10 parts of agent, 5 parts of chaotropic agent, 10 parts of regulator.
In the present embodiment, described in multifunctional polymer mud powder described above in order to preferably use pulping agent
Pulping agent is anionic polyacrylamide, cationic polyacrylamide, non-ionic polyacrylamide, amphoteric ion polyacrylamide
One of or it is a variety of.Polyacrylamide is a kind of linear macromolecule polymer soluble easily in water, due to containing hydrophilic radical, also
There is skeleton, there is certain activity on surface, it can the tension of water surface is reduced, so that the frictional resistance between liquid is reduced, and
Dispersed phase is involved together, forms reticular structure by the effects of strand and dispersed phase pass through various machinery, physics, chemistry, can
The viscosity and stability of slurry liquid are provided.The polar group in polyacrylamide can adsorb the suspended matter in water simultaneously, make from
It is formed and is built bridge between son, formed biggish collection polymers and there is superior flocculability.
In the present embodiment, in order to preferably use retaining wall stabilizer, the retaining wall stabilizer is sodium carboxymethylcellulose
And polyacrylic acid potassium: because of macromolecule, having and inhibit mud shale and drilling cuttings peptizaiton, has drop dehydration concurrently, improves flow pattern and increasing
Add the performances such as lubrication.Stratum pulping can effectively be inhibited and can be cooperated with a variety of inorganic agents.The presence of potassium ion simultaneously, moreover it is possible to
The aquation and peeling for preventing ooze shale and brittle property mud shale, play the role of stabilizing borehole.
In the present embodiment, in order to preferably use sediment agent, the sediment agent is aluminium polychloride, polyaluminum sulfate
Two or more in aluminium, alum, poly-ferric chloride and low molecular weight polyacrylamide.The sediment agent passes through absorption, gantry, friendship
The effects of connection, makes coacervation of colloid.Physicochemical change also occurs simultaneously, neutralizes the charge on colloidal particles and suspended matter surface, drop
Low δ current potential, makes colloidal particles become attracting from original repelling each other, destroys micelle stability, collide colloidal particles mutually,
To form cotton-shaped coagulation rapid precipitation, make the sediments rapid precipitation such as silt, mud is made to keep limpid.
In the present embodiment, in order to preferably use chaotropic agent, the chaotropic agent is urea and sodium chloride.Polyacrylamide
Amine chain structure is not all linear straight chain macromoleculars, the knot being crosslinked in its polymer chain structure comprising branch and imidization
Structure.Low molecule amide compound urea is added, it is possible to reduce the hydrogen bond quantity of polyacrylamide interchain, i.e. weakening polyacrylamide
Interchain association reduce clustering phenomena, while sodium chloride can reach the work of solubilising so that polyacrylamide be accelerated to dissolve in water
With further speeding up the dissolution of polyacrylamide.
In the present embodiment, in order to preferably use regulator, the regulator is sodium hydroxide and sodium carbonate, in weak
Alkalinity, even if sediment sinking speed becomes faster, floc sedimentation becomes larger, while increasing the viscosity of polyacrylamide, to improve mud viscosity.
In the present embodiment, in order to preferably use polyacrylamide amine molecule, the Molecular Weight for Polyacrylamide is
1800-3000 ten thousand.
In the present embodiment, the pulping agent, retaining wall stabilizer, sediment agent, chaotropic agent, regulator granularity are 40-
120 mesh.
Embodiment 2:
On the basis of embodiment 1, the present invention also designs a kind of preparation method of multifunctional polymer mud powder, including with
Lower step:
A, prepare raw material: 30-80 parts of pulping agent, 1-20 parts of retaining wall stabilizer, 1-20 parts of sediment agent, chaotropic agent 1-15
Part, 1-15 parts of regulator；
B, raw material mix: will be put into closed combination high-efficiency mixing after the raw material in step a by weight ratio weighing
Multifunctional polymer mud powder can be obtained by stirring 5-10 minutes in machine；
C, finished product is collected: mud powder mixed in step b being put into bag body or storage can, is then sutured to bag body
And storage can is sealed；
Mud powder according to the present invention can be applied to slurry liquid manufacture, manufacturing process are as follows:
The composition weight number of mud powder and water first are as follows: 1.5-8 parts and water 8000-15000 parts of mud powder.
Currently preferred weight fraction is 4 parts of mud powder, and 10000 parts of water, the mud powder and water got ready are put into mud
It is mixed in liquid mixer, finally obtains slurry liquid finished product.
Embodiment 3:
On the basis of embodiment 2, the present invention in Preferable scheme is that: first water intaking 100m3With mud powder 40kg, wherein
Mud powder is grouped as by following each groups: 28 parts of pulping agent, 6 parts of retaining wall stabilizer, 4 parts of sediment agent, 1 part of chaotropic agent, regulator 1
Part；
Then above-mentioned raw materials are uniformly mixed；
Finally to diameter 2m, 35 meters of pile hole constructions of hole depth.
Stake holes measurement analysis result is as follows:
Sediment thickness 8cm；Mud line density 28s.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of multifunctional polymer mud powder, which is characterized in that the mud powder includes pulping agent, retaining wall stabilizer, sediment
Agent, chaotropic agent and regulator, each component parts by weight of mud powder are as follows: 30-80 parts of pulping agent, is sunk at 1-20 parts of retaining wall stabilizer
1-20 parts of slag agent, 1-15 parts of chaotropic agent, 1-15 parts of regulator.
2. a kind of multifunctional polymer mud powder as described in claim 1, which is characterized in that 65 parts of the pulping agent, retaining wall
10 parts of stabilizer, 10 parts of sediment agent, 5 parts of chaotropic agent, 10 parts of regulator.
3. a kind of multifunctional polymer mud powder as described in claim 1, which is characterized in that the pulping agent is poly- for anion
One of acrylamide, cationic polyacrylamide, non-ionic polyacrylamide, amphoteric ion polyacrylamide are a variety of.
4. a kind of multifunctional polymer mud powder as described in claim 1, which is characterized in that the retaining wall stabilizer is carboxylic first
Base sodium cellulosate and polyacrylic acid potassium.
5. a kind of multifunctional polymer mud powder as described in claim 1, which is characterized in that the sediment agent is polymerization chlorine
Change two or more in aluminium, polyaluminium sulfate, alum, poly-ferric chloride and low molecular weight polyacrylamide.
6. a kind of multifunctional polymer mud powder as described in claim 1, which is characterized in that the chaotropic agent be urea and
Sodium chloride.
7. a kind of multifunctional polymer mud powder as described in claim 1, which is characterized in that the regulator is hydroxide
Sodium and sodium carbonate.
8. a kind of multifunctional polymer mud powder as claimed in claim 5, which is characterized in that the polyacrylamide amine molecule
Amount is 1800-3000 ten thousand.
9. a kind of multifunctional polymer mud powder as claimed in any one of claims 1-9 wherein, which is characterized in that the pulping
Agent, retaining wall stabilizer, sediment agent, chaotropic agent, regulator granularity are 40-120 mesh.
10. the invention further relates to a kind of preparation methods of multifunctional polymer mud powder, which comprises the following steps:
A, prepare mud powder raw material: 30-80 parts of pulping agent, 1-20 parts of retaining wall stabilizer, 1-20 parts of sediment agent, chaotropic agent 1-15
Part, 1-15 parts of regulator；
B, mud powder raw material mix: mixing closed combination high-efficiency is put into after the raw material in step a by weight ratio weighing
Multifunctional polymer mud powder can be obtained by stirring 5-10 minutes in material machine；
C, finished product collect: mud powder mixed in step b is put into bag body or storage can, then to bag body suture and
Storage can is sealed.
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Cited By (2)
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| CN111574971A (en) * | 2020-04-30 | 2020-08-25 | 中科兴创（北京）科技有限公司 | Composition for borehole perfusion, preparation method thereof and wall protection slurry |
| CN112901178A (en) * | 2021-01-18 | 2021-06-04 | 中铁上海工程局集团第五工程有限公司 | Thixotropic slurry anti-drag grouting system and grouting method for medium-long distance oversized-diameter jacking pipe |
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| CN112901178A (en) * | 2021-01-18 | 2021-06-04 | 中铁上海工程局集团第五工程有限公司 | Thixotropic slurry anti-drag grouting system and grouting method for medium-long distance oversized-diameter jacking pipe |
| CN112901178B (en) * | 2021-01-18 | 2023-03-24 | 中铁上海工程局集团第五工程有限公司 | Thixotropic slurry anti-drag grouting system and grouting method for medium-long distance oversized-diameter jacking pipe |
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Application publication date: 20190517 |