CN109652082A - Mud cake stripper and preparation method thereof - Google Patents
Mud cake stripper and preparation method thereof Download PDFInfo
- Publication number
- CN109652082A CN109652082A CN201811486293.3A CN201811486293A CN109652082A CN 109652082 A CN109652082 A CN 109652082A CN 201811486293 A CN201811486293 A CN 201811486293A CN 109652082 A CN109652082 A CN 109652082A
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- CN
- China
- Prior art keywords
- parts
- mud cake
- stearate
- stripper
- cake stripper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
- C09K17/18—Prepolymers; Macromolecular compounds
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
- E21D9/0678—Adding additives, e.g. chemical compositions, to the slurry or the cuttings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2103/00—Civil engineering use
Abstract
The invention belongs to material science and technology field, in particular to mud cake stripper and preparation method thereof, the raw material including following parts by weight: erucyl amide propyl betaine, 7-14 parts;Cocoanut fatty acid diethanolamide, 9-12 parts;Stearate, 6-15 parts;C14H29(OCOCH(CH3))2OSO3K, 15-25 parts;Dioctyl sodium sulfosuccinate, 20-30 parts;Dispersion aids, 8-12 parts;Hardening agent, 1-2 parts;Mud cake stripper of the invention can destroy clay soil property character, after 15-30 minutes immersion cutterheads, rotating cutter-head stirring, low idle cutterhead or the surface of cutterhead is detached by the centrifugal force of mud cake itself simultaneously, the agglomeration situation of cutterhead surface mud cake can obviously be disintegrated, enhance the ability recycled in native storehouse, reduce attachment and the cutter head torque of clay, while having to the formation of mitigation shield mud cake and obviously improve.
Description
Technical field
The invention belongs to material science and technology fields, in particular to mud cake stripper and preparation method thereof.
Background technique
During shield driving, the most common problem is to encounter high clay geological stratification, and clay not only influences shield driving, and
And water softening and cutterhead driving extruding formation are met in argillaceous siltstoue stratum to be attached on cutterhead and cutterhead bracket by walk accumulation,
Constantly roll after form mud cake, gently then cause cutter head torque sharply decline, tool wear, it is heavy then cause tunnel difficulty, in rich water
Stratum induction is gushed, the even landslide of generation earth's surface and shield machine is badly damaged.
Chinese patent CN107559015A discloses a kind of shield mud cake processing method in the case of not opening a position, and determines rational stop
Machine position detection soil storehouse air-tightness reduces real native content and foundation in native storehouse then by the rustic method of replacing of dregs in native storehouse
Half air pressure balance mode stable cutterhead face of Tu Cang, then impregnated by injecting dispersing agent toward Tu Cang and cutterhead, dispersing agent
Penetrating into foundry loam micelle to decompose makes to fall off on cutterhead with the mud cake wrapped up on native bulkhead, and stirs with rotating cutter-head, makes soil
The effect that the full and uniform immersion of mud cake and stirring disturbance in storehouse fall off;Used dispersing agent is shield mud stone dispersing agent FXY-
5, calgon, Condar gram HYF-94, BT-T type mud stone dispersing agent, ZKY-202 mud stone dispersing agent;These dispersing agents are to using
Condition has certain limitations, under acid or alkalinity effect, it is difficult to tell on, the pH value range used is limited in 6 or more substantially;
And action time is longer, at least needs 50 minutes or more mud cakes that could decompose completely.
Summary of the invention
The present invention solves the above-mentioned technical problems in the prior art, provides a kind of mud cake stripper and its preparation side
Method.
To solve the above problems, technical scheme is as follows:
A kind of mud cake stripper, the raw material including following parts by weight:
Erucyl amide propyl betaine, 7-14 parts;
Cocoanut fatty acid diethanolamide, 9-12 parts;
Stearate, 6-15 parts;
C14H29(OCOCH(CH3))2OSO3K, 15-25 parts;
Dioctyl sodium sulfosuccinate, 20-30 parts;
Dispersion aids, 8-12 parts;
Hardening agent, 1-2 parts.
Preferably, the stearate is that magnesium stearate and calcium stearate are mixed according to the ratio of 1:2-4.
Preferably, the dispersion aids is 1-hydroxy ethylidene-1,1-diphosphonic acid or ethylene diamine tetra methylene phosphonic acid.
Preferably, the hardening agent is acrylic acid -2- acrylamide-2-methyl propane sulfonic copolymer.
Preferably, mud cake stripper, the raw material including following parts by weight:
Erucyl amide propyl betaine, 10 parts;
Cocoanut fatty acid diethanolamide, 11 parts;
Stearate, 10 parts;The stearate is that magnesium stearate and calcium stearate are mixed according to the ratio of 1:3.
C14H29(OCOCH(CH3))2OSO3K, 20 parts;
Dioctyl sodium sulfosuccinate, 25 parts;
Dispersion aids, 10 parts;
Hardening agent, 2 parts.
The preparation method of above-mentioned mud cake stripper, comprising the following steps:
Step 1, the erucyl amide propyl betaine, cocoanut fatty acid diethanolamide, stearate are mixed, is added
The hardening agent is added to 60-70 DEG C in heat, is uniformly mixed and mixture A is made;
Step 2, by C14H29(OCOCH(CH3))2OSO3K, dioctyl sodium sulfosuccinate, dispersion aids after mixing,
PH to 5.5-6 is adjusted, mixture A, heating stirring 2-3 hours obtained mixture B made from step 1 is added;
Step 3, the hardening agent is dispersed in mixture B, mud cake stripper is made.
Preferably, in the step 2, heating temperature is 70-80 DEG C.
Preferably, in the step 2, mixing speed 500-800rpm.
Above-mentioned mud cake stripper can be used for removing shield mud lining.
Compared with the existing technology, advantages of the present invention is as follows,
Mud cake stripper of the invention can destroy clay soil property character, and after 15-30 minutes immersion cutterheads, rotating cutter-head is stirred
It mixes, while low idle cutterhead or the surface for detaching cutterhead by the centrifugal force of mud cake itself, can obviously disintegrate cutterhead surface
The agglomeration situation of mud cake enhances the ability recycled in native storehouse, reduces attachment and the cutter head torque of clay, while to mitigation shield mud
The formation of cake has and obviously improves.
Specific embodiment
Embodiment 1:
A kind of mud cake stripper, the raw material including following parts by weight:
Erucyl amide propyl betaine, 7 parts;
Cocoanut fatty acid diethanolamide, 9 parts;The stearate is magnesium stearate and calcium stearate according to 1:2's
Ratio mixing;
Stearate, 6 parts;
C14H29(OCOCH(CH3))2OSO3K, 15 parts;
Dioctyl sodium sulfosuccinate, 20 parts;
Dispersion aids, 8;The dispersion aids is 1-hydroxy ethylidene-1,1-diphosphonic acid;
Hardening agent, 1 part;The hardening agent is acrylic acid -2- acrylamide-2-methyl propane sulfonic copolymer.
The preparation method of above-mentioned mud cake stripper, comprising the following steps:
Step 1, the erucyl amide propyl betaine, cocoanut fatty acid diethanolamide, stearate are mixed, is added
The hardening agent is added to 60-70 DEG C in heat, is uniformly mixed and mixture A is made;
Step 2, by C14H29(OCOCH(CH3))2OSO3K, dioctyl sodium sulfosuccinate, dispersion aids after mixing,
PH to 5.5 is adjusted, mixture A made from step 1 is added, under the conditions of 70-80 DEG C of temperature, mixing speed 500-800rpm, heating
Stir 2-3 hours obtained mixture B;
Step 3, the hardening agent is dispersed in mixture B, mud cake stripper is made.Mud cake stripper is brown liquid
Body, pH value 5.9.
Embodiment 2:
A kind of mud cake stripper, the raw material including following parts by weight:
Erucyl amide propyl betaine, 10 parts;
Cocoanut fatty acid diethanolamide, 11 parts;
Stearate, 10 parts;The stearate is that magnesium stearate and calcium stearate are mixed according to the ratio of 1:3.
C14H29(OCOCH(CH3))2OSO3K, 20 parts;
Dioctyl sodium sulfosuccinate, 25 parts;
Dispersion aids, 10 parts;The dispersion aids is ethylene diamine tetra methylene phosphonic acid;
Hardening agent, 2 parts;The hardening agent is acrylic acid -2- acrylamide-2-methyl propane sulfonic copolymer.
The preparation method of above-mentioned mud cake stripper, comprising the following steps:
Step 1, the erucyl amide propyl betaine, cocoanut fatty acid diethanolamide, stearate are mixed, is added
The hardening agent is added to 60-70 DEG C in heat, is uniformly mixed and mixture A is made;
Step 2, by C14H29(OCOCH(CH3))2OSO3K, dioctyl sodium sulfosuccinate, dispersion aids after mixing,
PH to 5.8 is adjusted, mixture A made from step 1 is added, under the conditions of 70-80 DEG C of temperature, mixing speed 500-800rpm, heating
Stir 2-3 hours obtained mixture B;
Step 3, the hardening agent is dispersed in mixture B, mud cake stripper is made.Mud cake stripper is brown liquid
Body, pH value 6.0.
Embodiment 3:
A kind of mud cake stripper, the raw material including following parts by weight:
Erucyl amide propyl betaine, 14 parts;
Cocoanut fatty acid diethanolamide, 12 parts;The stearate is magnesium stearate and calcium stearate according to 1:4's
Ratio mixing;
Stearate, 15 parts;
C14H29(OCOCH(CH3))2OSO3K, 25 parts;
Dioctyl sodium sulfosuccinate, 30 parts;
Dispersion aids, 12 parts;The dispersion aids is ethylene diamine tetra methylene phosphonic acid;
Hardening agent, 2 parts;The hardening agent is acrylic acid -2- acrylamide-2-methyl propane sulfonic copolymer.
The preparation method of above-mentioned mud cake stripper, comprising the following steps:
Step 1, the erucyl amide propyl betaine, cocoanut fatty acid diethanolamide, stearate are mixed, is added
The hardening agent is added to 60-70 DEG C in heat, is uniformly mixed and mixture A is made;
Step 2, by C14H29(OCOCH(CH3))2OSO3K, dioctyl sodium sulfosuccinate, dispersion aids after mixing,
PH to 6 is adjusted, mixture A made from step 1 is added, under the conditions of 70-80 DEG C of temperature, mixing speed 500-800rpm, heating is stirred
Mix 2-3 hours obtained mixture B;
Step 3, the hardening agent is dispersed in mixture B, mud cake stripper is made.Mud cake stripper is brown liquid
Body, pH value 6.1.
Embodiment 4:
Method with embodiment 2 prepares mud cake stripper, the difference is that:
The stearate is that magnesium stearate and calcium stearate are mixed according to the ratio of 1:1.
Embodiment 5:
Method with embodiment 2 prepares mud cake stripper, the difference is that:
The stearate is that magnesium stearate and calcium stearate are mixed according to the ratio of 1:5.
Embodiment 6:
Method with embodiment 2 prepares mud cake stripper, the difference is that:
The stearate is replaced with stearic acid.
Embodiment 7:
Method with embodiment 2 prepares mud cake stripper, the difference is that:
In raw material, C14H29(OCOCH(CH3))2OSO3K, 35 parts by weight.
Embodiment 8:
Method with embodiment 2 prepares mud cake stripper, the difference is that:
In raw material, C14H29(OCOCH(CH3))2OSO3K, 10 parts by weight.
Embodiment 9:
The shield mud lining sample that 9 parts of shapes are close, identical in quality is taken, the embodiment 1-8 system of same volume is respectively put into
In standby mud cake stripper, calgon mud cake stripper, dispersion results are as shown in table 1:
Table 1
Group | Mud cake is completely dispersed the required time |
Sample 1 | 5 minutes |
Sample 2 | 5 minutes |
Sample 3 | 5 minutes |
Sample 4 | 45 minutes |
Sample 5 | 60 minutes |
Sample 6 | 90 minutes |
Sample 7 | 90 minutes |
Sample 8 | 120 minutes |
Sample 9 | Greater than 5 hours |
It was found from above table: composition, the C of stearate14H29(OCOCH(CH3))2OSO3The additional amount of K shells mud cake
Except the performance of agent has an impact.
Embodiment 9:
On mud cake stripper spray to shield mud lining prepared by embodiment 1-8, -30 minutes 15 minutes are stood, rotation
Cutterhead, that is, peelable.
In addition, pass through experiments have shown that, in the preparation method of mud cake stripper, in step 2 adjust pH within the scope of 5.5-6,
Mud cake stripper strips that effect is best, and pH is adjusted to 5 or 6.5, strips effect and substantially reduces.
It should be noted that above-described embodiment is only presently preferred embodiments of the present invention, there is no for the purpose of limiting the invention
Protection scope, the equivalent substitution or substitution made on the basis of the above all belong to the scope of protection of the present invention.
Claims (9)
1. a kind of mud cake stripper, which is characterized in that the raw material including following parts by weight:
Erucyl amide propyl betaine, 7-14 parts;
Cocoanut fatty acid diethanolamide, 9-12 parts;
Stearate, 6-15 parts;
C14H29(OCOCH(CH3))2OSO3K, 15-25 parts;
Dioctyl sodium sulfosuccinate, 20-30 parts;
Dispersion aids, 8-12 parts;
Hardening agent, 1-2 parts.
2. mud cake stripper as described in claim 1, which is characterized in that the stearate is magnesium stearate and calcium stearate
It is mixed according to the ratio of 1:2-4.
3. mud cake stripper as described in claim 1, which is characterized in that the dispersion aids is 1-hydroxy ethylidene-1,1-diphosphonic acid or second
Four methylenephosphonic acid of diamines.
4. mud cake stripper as described in claim 1, which is characterized in that the hardening agent is acrylic acid -2- acrylamide -2-
Methyl propane sulfonic acid copolymer.
5. mud cake stripper as described in claim 1, which is characterized in that mud cake stripper, the raw material including following parts by weight:
Erucyl amide propyl betaine, 10 parts;
Cocoanut fatty acid diethanolamide, 11 parts;
Stearate, 10 parts;The stearate is that magnesium stearate and calcium stearate are mixed according to the ratio of 1:3.
C14H29(OCOCH(CH3))2OSO3K, 20 parts;
Dioctyl sodium sulfosuccinate, 25 parts;
Dispersion aids, 10 parts;
Hardening agent, 2 parts.
6. the preparation method of mud cake stripper as described in any one in claim 1-5, which comprises the following steps:
Step 1, the erucyl amide propyl betaine, cocoanut fatty acid diethanolamide, stearate are mixed, is heated to
60-70 DEG C, the hardening agent is added, is uniformly mixed and mixture A is made;
Step 2, by C14H29(OCOCH(CH3))2OSO3K, dioctyl sodium sulfosuccinate, dispersion aids after mixing, are adjusted
Mixture A, heating stirring 2-3 hours obtained mixture B made from step 1 is added in pH to 5.5-6;
Step 3, the hardening agent is dispersed in mixture B, mud cake stripper is made.
7. the preparation method of mud cake stripper as claimed in claim 6, which is characterized in that in the step 2, heating temperature is
70-80℃。
8. the preparation method of mud cake stripper as claimed in claim 6, which is characterized in that in the step 2, mixing speed is
500-800rpm。
9. application of the mud cake stripper as described in any one in claim 1-5 in removal shield mud lining.
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CN201811486293.3A CN109652082B (en) | 2018-12-06 | 2018-12-06 | Mud cake stripping agent and preparation method thereof |
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CN201811486293.3A CN109652082B (en) | 2018-12-06 | 2018-12-06 | Mud cake stripping agent and preparation method thereof |
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CN109652082B CN109652082B (en) | 2021-03-23 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110157446A (en) * | 2019-05-13 | 2019-08-23 | 中铁第五勘察设计院集团有限公司 | A kind of dispersing agent and preparation method thereof for improveing clay |
CN111485889B (en) * | 2020-03-20 | 2021-04-02 | 山东大学 | Anti-sticking agent for clay stratum shield muck improvement and preparation method and application thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110157446A (en) * | 2019-05-13 | 2019-08-23 | 中铁第五勘察设计院集团有限公司 | A kind of dispersing agent and preparation method thereof for improveing clay |
CN111485889B (en) * | 2020-03-20 | 2021-04-02 | 山东大学 | Anti-sticking agent for clay stratum shield muck improvement and preparation method and application thereof |
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CN109652082B (en) | 2021-03-23 |
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