CN108585685A - A kind of pipeline balance material and preparation method thereof - Google Patents

A kind of pipeline balance material and preparation method thereof Download PDF

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Publication number
CN108585685A
CN108585685A CN201810477611.3A CN201810477611A CN108585685A CN 108585685 A CN108585685 A CN 108585685A CN 201810477611 A CN201810477611 A CN 201810477611A CN 108585685 A CN108585685 A CN 108585685A
Authority
CN
China
Prior art keywords
pipeline
cement
miberal powder
density
balance material
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.)
Pending
Application number
CN201810477611.3A
Other languages
Chinese (zh)
Inventor
杨刚
韩甲兴
汪海龙
朱李俊
金强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Mcc Environment Engineering Technology Co Ltd
MCC Baosteel Technology Services Co Ltd
Original Assignee
Shanghai Mcc Environment Engineering Technology Co Ltd
MCC Baosteel Technology Services Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Mcc Environment Engineering Technology Co Ltd, MCC Baosteel Technology Services Co Ltd filed Critical Shanghai Mcc Environment Engineering Technology Co Ltd
Priority to CN201810477611.3A priority Critical patent/CN108585685A/en
Publication of CN108585685A publication Critical patent/CN108585685A/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00034—Physico-chemical characteristics of the mixtures
    • C04B2111/00146—Sprayable or pumpable mixtures
    • C04B2111/00155—Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/0031—Heavy materials, e.g. concrete used as ballast material
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

A kind of pipeline balance material, including the following raw material component and weight percentage：Cement 10wt% ~ 12wt%；Miberal powder 8wt% ~ 10wt%；Iron ore 73wt% ~ 78.8wt%；Water 3.2wt% ~ 7.5wt%.The application prepares pipeline balance material using the miberal powder of high activity as admixture, and compared with the cement used in conventional pipelines counterweight layer concrete, miberal powder has the characteristics that the feature of environmental protection, the extensive economy of resource that waste resource recycles.Having using pipeline ballast anti-floating material prepared by high activity miberal powder reduces cement consumption, improves weight material density, improves the advantages such as weight coating compression strength.

Description

A kind of pipeline balance material and preparation method thereof
Technical field
The present invention relates to building materials fields, more particularly to a kind of pipeline balance material and preparation method thereof.
Background technology
Water surface pipeline below is mostly used for conveying the gas-liquids such as oil, gas, tap water, in order to overcome water to float pipeline Power, the concrete weighted coating of fill-before-fire 10~50cm thickness, density usually after the outer surface of conveyance conduit applies erosion resistant coating Range 2400-3250kg/m3, material therefor cement, barite, bloodstone, magnetic iron ore etc., cement grade is 42.5 or 52.5, The proportion of these heavy aggregates is generally 4.3~4.5 × 103kg/m3。
Such as the patent of invention that domestic applications number are 200710057252.8, a kind of concrete for coating pipeline is disclosed, The proportion grade that the patent is related to preparing according to a certain ratio using heavy aggregate, sand, cement, water reaches 2400~2850kg/m3 Concrete for coating pipeline, wherein heavy aggregate refer to barite, one or more groups of limonite, Magnetite or hematite It closes.
The prior art the main problems are as follows.On the one hand, in order to prepare drill core test block density 3040kg/m3More than Pipeline balance material, need density >=4.3 × 10 of iron ore3kg/m3, since Natural Resources in China is rare, high density iron ore Stone is very rare, and majority relies on external import, expensive, on the market, the density 4.2 × 10 of iron ore3kg/m3(about 450 Yuan/ton) and 4.3 × 103kg/m3Price difference 50% between (about 680 yuan/ton), causes the production cost of pipeline balance material High, reducing the requirement to iron ore density becomes the key of problem；On the other hand, it is guarantee pipeline, install, makes With the reliability of submarine pipeline weight coating in the process, therefore, to assure that the intensity of pipeline coagulation soil (drill core intensity of test block >= 41.5MPa), usual cement mixing content is very big, and between 20~25%, the heat of hydration is big, is easy cracking, and it is big to occupy volume, influences pipe The proportion of road weight material.
Invention content
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of pipeline balance material and its systems Preparation Method, for solving the problems of the prior art.
In order to achieve the above objects and other related objects, the present invention obtains by the following technical programs.
The present invention provides a kind of pipeline balance material, including the following raw material component and weight percentage：
Preferably, the gross mass of the cement and miberal powder is not more than the 20wt% of raw material components gross mass.
Preferably, the maximum particle diameter of the iron ore is no more than 9.5mm, density >=4.2 × 103kg/m3.It is highly preferred that institute State in iron ore, the accumulative rate that tails over using the square hole screen of 2.36mm is not less than 95%, using 4.75mm square hole screen it is accumulative It tails over rate and is not less than 80%.
Preferably, the cement is 42.5 Portland cements or portland cement.
Preferably, 28 days activity index >=115% of miberal powder, specific surface area >=600m2/ kg, average grain diameter≤13 μm.With Preferably, chloride ion content≤0.06wt% of miberal powder, sulfur trioxide content≤4.0wt%, density >=2.8 × 103kg/m3。
Preferably, the density of the pipeline breeding material is 3040~3250kg/m3。
Disclosed herein as well is a kind of preparation methods of pipeline balance material as described above, and each raw material component is mixed It is prepared after uniformly.
Disclosed herein as well is be used as concrete protection in pipeline as described above configuration material under water petroleum pipeline Aggravate the purposes of layer.
Preferably, the purposes is that the pipeline formed after mixing is bred material coated in underwater oil using spraying equipment Pipe surface.
Preferably, coating thickness is 20~50cm.
The application prepares pipeline balance material using the miberal powder of high activity as admixture, with conventional pipelines weight coating coagulation Cement used in soil is compared, and miberal powder has the characteristics that the feature of environmental protection, the extensive economy of resource that waste resource recycles.Utilize height Pipeline ballast anti-floating material prepared by active miberal powder has reduction cement consumption, raising weight material density, improvement weight coating anti- The advantages such as Compressive Strength.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below Content disclosed by book understands other advantages and effect of the present invention easily.
Before further describing the specific embodiments of the present invention, it should be appreciated that protection scope of the present invention is not limited to down State specific specific embodiment；It is also understood that the term used in the embodiment of the present invention is specific specific in order to describe Embodiment, the protection domain being not intended to be limiting of the invention.The test method of actual conditions is not specified in the following example, Usually according to normal condition, or according to the condition proposed by each manufacturer.
When embodiment provides numberical range, it should be appreciated that except non-present invention is otherwise noted, two ends of each numberical range Any one numerical value can be selected between point and two endpoints.Unless otherwise defined, in the present invention all technologies for using and Scientific terminology is identical as the normally understood meaning of those skilled in the art of the present technique.Except used in embodiment specific method, equipment, Outside material, the record according to those skilled in the art to the grasp of the prior art and the present invention can also use and this Any method, equipment and the material of the similar or equivalent prior art of method, equipment described in inventive embodiments, material come real The existing present invention.
The maximum particle diameter of the iron ore described in the embodiment of the present application is no more than 9.5mm, using the square hole screen of 2.36mm It is accumulative tail over rate be not less than 95%, using 4.75mm square hole screen it is accumulative tail over rate be not less than 80%.
Miberal powder specific surface area >=600m in the embodiment of the present application2/ kg, average grain diameter≤13 μm, the chloride ion content of miberal powder ≤ 0.06wt%, sulfur trioxide content≤4.0wt%, density >=2.8 × 103kg/m3。
Embodiment 1
Pipeline balance material in the present embodiment includes the following raw material component and weight percentage：
The cement is 42.5 Portland cements；
The density of iron ore is 4250kg/m3；
28 days activity indexs of high activity miberal powder are 121%,
Cement and miberal powder are cementitious material, the total dosage 20% of cementitious material, the ratio of mud 0.325.
Pipeline balance material is obtained after metering is stirred.The pipeline balance material is coated to by spraying equipment On underwater oil pipeline.The density of core boring sampling test block is 3052kg/m3, 28 days compression strength is 58.7MPa.
Embodiment 2
Pipeline balance material described in the present embodiment includes following raw material components and weight percentage：
Wherein, the density of iron ore is 4280kg/m3,
Cement is portland cement；
28 days activity indexs of high activity miberal powder are 125%,
Cement and miberal powder are cementitious material, total dosage 18.4% of cementitious material, the ratio of mud 0.25.
Concrete is obtained after metering is stirred.Concrete is ejected into using spraying equipment on underwater oil pipeline.
The density of core boring sampling test block is 3247kg/m3, 28 days compression strength is 44.2MPa
Embodiment 3
Pipeline balance material described in the present embodiment includes the following raw material component and weight percentage：
Wherein, the density of iron ore is 4210kg/m3；
28 days activity indexs of high activity miberal powder are 119%；
Cement is portland cement；
Cement and miberal powder are cementitious material, total dosage 19% of cementitious material, the ratio of mud 0.316.
Concrete is obtained after metering is stirred, using spraying equipment by shape on concrete ejection to underwater oil pipeline At pipeline balance layer.
The density for sampling test block is 3089kg/m3, 28 days compression strength is 49.0MPa
Embodiment 4
Pipeline balance material described in the present embodiment includes the following raw material component and weight percentage：
Wherein, the density of iron ore is 4220kg/m3,
28 days activity indexs of high activity miberal powder are 129%；
Cement is 42.5 Portland cements；
Cement and miberal powder are cementitious material, the total dosage 18.2% of cementitious material, the ratio of mud 0.297.
Concrete is obtained after metering is stirred, concrete is ejected into shape on underwater oil pipeline using spraying equipment At pipeline balance layer.
The density for sampling test block is 3110kg/m3, 28 days compression strength is 52.2MPa.
Comparative example 1
Pipeline balance material in the present embodiment includes the following raw material component and weight percentage：
Iron ore 69wt%
Cement 24wt%
Water 7wt%.
Wherein, the density of iron ore is 4250kg/m3；
Cement is portland cement；
Cement and iron ore are cementitious material, the total dosage 24% of cementitious material, the ratio of mud 0.292.
Concrete is obtained after metering is stirred, concrete is ejected into shape on underwater oil pipeline using spraying equipment At pipeline balance layer.
The density of core boring sampling test block is 3008kg/m3, compression strength is 45.1MPa within 28 days, and density is not up to standard.
Documents 2
Pipeline balance material in the present embodiment includes the following raw material component and weight percentage：
Iron ore 69wt%
Cement 24wt%
Water 7wt%.
Wherein, the density of iron ore is 4350kg/m3；
Cement is 42.5 Portland cements；
Cement and iron ore are cementitious material, the total dosage 24% of cementitious material, the ratio of mud 0.292.
Concrete is obtained after metering is stirred, concrete is ejected into shape on underwater oil pipeline using spraying equipment At pipeline balance layer.
The density of core boring sampling test block is 3056kg/m3, compression strength is 45.1MPa within 28 days, and density is not up to standard.
In the case where reaching same density rating, embodiment 1 carries out cost comparison, concrete outcome such as table 1 with comparative example 2 It is shown.
Table 1
It can be seen that：In the case of same density rating, using the production cost of patent of the present invention than under conventional match ratio Drop 33.28%, compression strength rises 32.21% within 28 days.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as At all equivalent modifications or change, should by the present invention claim be covered.

Claims (10)

1. a kind of pipeline balance material, which is characterized in that including the following raw material component and weight percentage：
2. pipeline balance material according to claim 1, which is characterized in that the gross mass of the cement and miberal powder is not more than The 20wt% of raw material components gross mass.
3. pipeline balance material according to claim 1, which is characterized in that the maximum particle diameter of the iron ore is no more than 9.5mm, density >=4.2 × 103kg/m3。
4. pipeline balance material according to claim 1, which is characterized in that the cement is 42.5 Portland cements Or portland cement.
The material 5. pipeline according to claim 1 is bred, which is characterized in that 28 days activity index >=115% of miberal powder, than Surface area >=600m2/ kg, average grain diameter≤13 μm.
6. pipeline balance material according to claim 1, which is characterized in that chloride ion content≤0.06wt% of miberal powder, Sulfur trioxide content≤4.0wt%, density >=2.8 × 103kg/m3。
7. pipeline balance material according to claim 1, which is characterized in that the density of the pipeline breeding material is 3040 ~3250kg/m3。
8. a kind of preparation method of such as claim 1~7 any one of them pipeline balance material, which is characterized in that the system Preparation Method is to be uniformly mixed each raw material component.
9. being used as concrete protection according in claim 1~7 any one of them pipeline balance material under water petroleum pipeline Aggravate the purposes of layer.
10. purposes according to claim 9, which is characterized in that the purposes is that will be formed after mixing using spraying equipment Pipeline breeding material be coated in underwater oil pipe surface.
CN201810477611.3A 2018-05-18 2018-05-18 A kind of pipeline balance material and preparation method thereof Pending CN108585685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810477611.3A CN108585685A (en) 2018-05-18 2018-05-18 A kind of pipeline balance material and preparation method thereof

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Application Number Priority Date Filing Date Title
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CN108585685A true CN108585685A (en) 2018-09-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109748556A (en) * 2019-03-12 2019-05-14 中交上海三航科学研究院有限公司 Anti- isolation loaded concrete of one kind and preparation method thereof
CN114031350A (en) * 2021-12-07 2022-02-11 上海中冶环境工程科技有限公司 Solid waste base heavy concrete and preparation method and application thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105367015A (en) * 2014-08-26 2016-03-02 中国海洋石油总公司 Pipe balance weight concrete
CN106278061A (en) * 2016-09-10 2017-01-04 江苏省建筑工程集团丰达混凝土有限公司 A kind of weight concrete

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105367015A (en) * 2014-08-26 2016-03-02 中国海洋石油总公司 Pipe balance weight concrete
CN106278061A (en) * 2016-09-10 2017-01-04 江苏省建筑工程集团丰达混凝土有限公司 A kind of weight concrete

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
付明琴等: "《建筑材料》", 31 August 2015, 浙江大学出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109748556A (en) * 2019-03-12 2019-05-14 中交上海三航科学研究院有限公司 Anti- isolation loaded concrete of one kind and preparation method thereof
CN109748556B (en) * 2019-03-12 2021-05-07 中交上海三航科学研究院有限公司 Anti-segregation heavy concrete and preparation method thereof
CN114031350A (en) * 2021-12-07 2022-02-11 上海中冶环境工程科技有限公司 Solid waste base heavy concrete and preparation method and application thereof

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