CN105036667B - A kind of preparation method of antifreeze dry-mixed mortar - Google Patents

A kind of preparation method of antifreeze dry-mixed mortar Download PDF

Info

Publication number
CN105036667B
CN105036667B CN201510407571.1A CN201510407571A CN105036667B CN 105036667 B CN105036667 B CN 105036667B CN 201510407571 A CN201510407571 A CN 201510407571A CN 105036667 B CN105036667 B CN 105036667B
Authority
CN
China
Prior art keywords
sent
mixer
cement
mortar
natural sand
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.)
Active
Application number
CN201510407571.1A
Other languages
Chinese (zh)
Other versions
CN105036667A (en
Inventor
张来壮
李泽杰
冯永德
谷晓峰
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.)
ANSHAN SANYE CONSTRUCTION ENGINEERING Co Ltd
Original Assignee
ANSHAN SANYE CONSTRUCTION ENGINEERING 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 ANSHAN SANYE CONSTRUCTION ENGINEERING Co Ltd filed Critical ANSHAN SANYE CONSTRUCTION ENGINEERING Co Ltd
Priority to CN201510407571.1A priority Critical patent/CN105036667B/en
Publication of CN105036667A publication Critical patent/CN105036667A/en
Application granted granted Critical
Publication of CN105036667B publication Critical patent/CN105036667B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The present invention relates to a kind of comprehensive utilization technique of building material field, more particularly to a kind of preparation method of antifreeze dry-mixed mortar, include the component of following weight：Cement 15 20, mine tailing aggregate 50 70, natural sand 10 15, zinc sulfate 5 10, water reducer 12, organobentonite thickening auxiliary rheological agents 1 1.5, swelling agent 1 1.5, cellulose ether 12, latex powder 12, antifreezing agent 1.05 1.4；Compared with prior art, the beneficial effects of the invention are as follows：The additives such as natural sand, addition antifreezing agent, which are substituted, using mine tailing prepares mortar, natural sand is reduced to use, reduce tailings discharging, not only accomplish twice laid but also realize energy-conserving and environment-protective, mortar winter construction is also solved the problems, such as simultaneously using workability is poor, anti-freezing property difference, extends the winter construction activity duration.

Description

A kind of preparation method of antifreeze dry-mixed mortar
Technical field
The present invention relates to a kind of comprehensive utilization technique of building material field, more particularly to a kind of antifreeze dry-mixed mortar Preparation method.
Background technology
In the realm of building construction, mortar is a kind of very big construction material of usage amount, and preparing mortar needs to consume largely Natural sand.China is big steel country, and iron ore produces discarded object --- the mine tailing very abundant of smart iron powder based on lean ore, It, which discharges typically to concentrate using tailing dam (storehouse), stacks, not only land occupation, and pollute environment.Natural sand is substituted using mine tailing It is a kind of not only twice laid but also the comprehensive utilization technique of energy-conserving and environment-protective to prepare mortar technology.Construction optimum temperature 5 DEG C with On, and require that mortar must be with early strong, antifreeze, freeze proof, anticorrosive in the northern area of China, winter time length, cold snap The multiple performances such as property, to adapt to construction of the mortar under low temperature, subzero temperature.
The content of the invention
To overcome prior art defect, present invention solves the technical problem that being to provide a kind of preparation side of antifreeze dry-mixed mortar Method, substitute the additives such as natural sand, addition antifreezing agent using mine tailing and prepare mortar, reduce natural sand and use, reduce tailings discharging, Not only accomplish twice laid but also realized energy-conserving and environment-protective, while also solve mortar winter construction using workability is poor, frost resistance The poor problem of energy, extends the winter construction activity duration.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of antifreeze dry-mixed mortar, it is characterised in that include the component of following weight：Cement 15-20, mine tailing aggregate 50- 70th, natural sand 10-15, zinc sulfate 5-10, water reducer 1-2, organobentonite thickening auxiliary rheological agents 1-1.5, swelling agent 1-1.5, Cellulose ether 1-2, latex powder 1-2, antifreezing agent 1.05-1.4；
The cement is Portland cement, portland cement, portland slag cement, Portland fly ash cement, Strength grade is 32.5 or 42.5；
The mine tailing aggregate is to be formed by producing tailings stone in ore extraction and ore dressing process through broken classification, its fineness mould Number is 1.6-2.3, and wherein below 0.2mm particles are less than 15%；
The natural grain fineness number modulus is 1.6-2.3, and apparent density is more than 2200Kg/m3, clay content is less than 1.0%；
Wherein, water reducer is one kind of poly- hydroxy acid pulvis water reducer, naphthalene system pulvis water reducer and aliphatic pulvis water reducer Or several mixture；Swelling agent be UEA swelling agents, alum swelling agent, calcium oxide swelling agent and iron filings swelling agent one kind or Several mixtures；Cellulose ether is one or two kinds of mixtures of methyl cellulose ether and hydroxypropyl methyl cellulose ether；Institute Antifreezing agent is stated as natrium nitrosum, carbonate, calcium chloride, calcium nitrite, one or more of mixtures of ethylene glycol.
A kind of preparation method of described antifreeze dry-mixed mortar, comprises the following steps：
1) tailings stone being crushed, dried to moisture content below 0.5%, sieving, >=4.75mm particle is sent into disintegrating machine, Remaining is sent into screening machine and is classified feeding mixer of weighing, and control below 0.2mm particles are less than 15%；
2) disintegrating machine >=4.75mm mine tailing is admitted to through crushing again, repeat step 1)；
3) by natural sand drying to moisture content below 0.5%, sieving, >=4.75mm particle is sent into disintegrating machine, remaining Feeding mixer；
4) disintegrating machine >=4.75mm natural sand is admitted to through crushing again, repeat step 3)；
5) zinc sulfate, water reducer, organobentonite are thickened into auxiliary rheological agents, swelling agent, cellulose ether, latex powder by regulation Part by weight premix is uniform, is sent into mixer；
6) cement is weighed and is sent into mixer；
7) antifreezing agent is weighed and is sent into mixer, antifreeze dry-mixed mortar is produced after stirring.
Compared with prior art, the beneficial effects of the invention are as follows：It is additional that natural sand, addition antifreezing agent etc. are substituted using mine tailing Agent prepares mortar, reduces natural sand and uses, reduces tailings discharging, not only accomplished twice laid but also realized energy-conserving and environment-protective, simultaneously Also solve the problems, such as mortar winter construction using workability is poor, anti-freezing property difference, extend the winter construction activity duration.
Embodiment
With reference to specific embodiment, the invention will be further described, but protection model not thereby limiting the invention Enclose.
In following examples, unless otherwise specified, component ratio refers both to weight ratio.
【Embodiment 1】
Dry-mixed plastering mortar, adaptive temperature：5 DEG C~-5 DEG C, component formula part by weight：Cement 17, mine tailing aggregate 70, day Right sand 9, zinc sulfate 5, naphthalene system pulvis water reducer 1, organobentonite thickening auxiliary rheological agents 1 (Zhejiang Qing Hong new materials Co., Ltd Production), (calcium oxide swelling agent and iron filings swelling agent press 1 to swelling agent 1.5：1 part by weight mix), cellulose ether 2, latex powder 2, (calcium nitrite, ethylene glycol press 1 to antifreezing agent 1.05：1 part by weight mixes).Preparation method is as follows：
1) tailings stone being crushed, dried to moisture content below 0.5%, sieving, >=4.75mm particle is sent into disintegrating machine, Remaining is sent into screening machine and is classified feeding mixer of weighing, and control below 0.2mm particles are less than 15%；
2) disintegrating machine >=4.75mm mine tailing is admitted to through crushing again, repeat step 1)；
3) by natural sand drying to moisture content below 0.5%, sieving, >=4.75mm particle is sent into disintegrating machine, remaining Feeding mixer；
4) disintegrating machine >=4.75mm natural sand is admitted to through crushing again, repeat step 3)；
5) zinc sulfate, water reducer, organobentonite are thickened into auxiliary rheological agents, swelling agent, cellulose ether, latex powder by regulation Part by weight premix is uniform, is sent into mixer；
6) cement is weighed and is sent into mixer；
7) antifreezing agent is weighed and is sent into mixer, antifreeze dry-mixed mortar is produced after stirring.Denseness 90-100, amount of water 16- 19%.
【Embodiment 2】
Dry-mixed masonry mortar, adaptive temperature：- 5 DEG C~-10 DEG C, component formula includes the component of following weight：Cement 20, Mine tailing aggregate 70, natural sand 10, zinc sulfate 6, naphthalene system pulvis water reducer 2, organobentonite thickening auxiliary rheological agents 1.5, alum are swollen Swollen dose 1.5, cellulose ether 1, latex powder 2, natrium nitrosum antifreezing agent 1.4；Preparation method is as follows：
1) tailings stone being crushed, dried to moisture content below 0.5%, sieving, >=4.75mm particle is sent into disintegrating machine, Remaining is sent into screening machine and is classified feeding mixer of weighing, and control below 0.2mm particles are less than 15%；
2) disintegrating machine >=4.75mm mine tailing is admitted to through crushing again, repeat step 1)；
3) by natural sand drying to moisture content below 0.5%, sieving, >=4.75mm particle is sent into disintegrating machine, remaining Feeding mixer；
4) disintegrating machine >=4.75mm natural sand is admitted to through crushing again, repeat step 3)；
5) zinc sulfate, water reducer, organobentonite are thickened into auxiliary rheological agents, swelling agent, cellulose ether, latex powder by regulation Part by weight premix is uniform, is sent into mixer；
6) cement is weighed and is sent into mixer；
7) antifreezing agent is weighed and is sent into mixer, antifreeze dry-mixed masonry mortar, denseness 70-80, amount of water are produced after stirring 14-16%.
【Embodiment 3】
Dry-mixed masonry mortar, adaptive temperature：- 10 DEG C~-15 DEG C, include the component of following weight：Cement 18, mine tailing aggregate 60th, natural sand 15, zinc sulfate 10, poly- hydroxy acid pulvis water reducer 1.5, organobentonite thickening the auxiliary rheological agents 1.5, (oxygen of swelling agent 1 Change calcium swelling agent and iron filings swelling agent by weight proportion 1：1 is mixed), cellulose ether 1.5, latex powder 2, natrium nitrosum it is antifreeze Agent 1.2；Preparation method is as follows：
1) tailings stone being crushed, dried to moisture content below 0.5%, sieving, >=4.75mm particle is sent into disintegrating machine, Remaining is sent into screening machine and is classified feeding mixer of weighing, and control below 0.2mm particles are less than 15%；
2) disintegrating machine >=4.75mm mine tailing is admitted to through crushing again, repeat step 1)；
3) by natural sand drying to moisture content below 0.5%, sieving, >=4.75mm particle is sent into disintegrating machine, remaining Feeding mixer；
4) disintegrating machine >=4.75mm natural sand is admitted to through crushing again, repeat step 3)；
5) zinc sulfate, water reducer, organobentonite are thickened into auxiliary rheological agents, swelling agent, cellulose ether, latex powder by regulation Part by weight premix is uniform, is sent into mixer；
6) cement is weighed and is sent into mixer；
7) antifreezing agent is weighed and is sent into mixer, antifreeze dry-mixed masonry mortar, denseness 70-80, amount of water are produced after stirring 14-16%.
【Embodiment 4】
Dry-mixed plastering mortar, adaptive temperature：- 15 DEG C~-20 DEG C, component formula：Cement 17, mine tailing aggregate 65, natural sand 14th, zinc sulfate 8, poly- hydroxy acid pulvis water reducer 1, organobentonite thickening auxiliary rheological agents 1, swelling agent 1.5 (calcium oxide swelling agent and Iron filings swelling agent by weight proportion 1：1 is mixed), cellulose ether 2, latex powder 2, antifreezing agent 1.4 (natrium nitrosum antifreezing agent and Calcium nitrite antifreezing agent 1:1 part by weight).
Preparation method is as follows：
1) tailings stone being crushed, dried to moisture content below 0.5%, sieving, >=4.75mm particle is sent into disintegrating machine, Remaining is sent into screening machine and is classified feeding mixer of weighing, and control below 0.2mm particles are less than 15%；
2) disintegrating machine >=4.75mm mine tailing is admitted to through crushing again, repeat step 1)；
3) by natural sand drying to moisture content below 0.5%, sieving, >=4.75mm particle is sent into disintegrating machine, remaining Feeding mixer；
4) disintegrating machine >=4.75mm natural sand is admitted to through crushing again, repeat step 3)；
5) zinc sulfate, water reducer, organobentonite are thickened into auxiliary rheological agents, swelling agent, cellulose ether, latex powder by regulation Part by weight premix is uniform, is sent into mixer；
6) cement is weighed and is sent into mixer；
7) antifreezing agent is weighed and is sent into mixer, antifreeze dry-mixed plastering mortar, denseness 90-100, amount of water are produced after stirring 17-19%.
Determine the performance parameter of antifreeze dry-mixed mortar described in embodiment 1-4：Adhesion strength, shrinkage factor, 28d compression strength Assay method is determined using this area conventional method, and measurement result is shown in Table 1.
Table 1, the performance parameter of antifreeze dry-mixed mortar described in embodiment 1-4

Claims (1)

  1. A kind of 1. antifreeze dry-mixed plastering mortar, it is characterised in that adaptive temperature：5 DEG C~-5 DEG C, component formula part by weight：Water Mud 17, mine tailing aggregate 70, natural sand 9, zinc sulfate 5, naphthalene system pulvis water reducer 1, organobentonite thickening auxiliary rheological agents 1, expansion Agent 1.5, cellulose ether 2, latex powder 2, antifreezing agent 1.05, described swelling agent press 1 by calcium oxide swelling agent and iron filings swelling agent： 1 part by weight mixes, and the antifreezing agent presses 1 by calcium nitrite, ethylene glycol：1 part by weight mixes；
    The cement is Portland cement, portland cement, portland slag cement, Portland fly ash cement, intensity Grade is 32.5 or 42.5；
    The mine tailing aggregate is to be formed by producing tailings stone in ore extraction and ore dressing process through broken classification, and its modulus of fineness is 1.6-2.3, wherein below 0.2mm particles are less than 15%；
    The natural grain fineness number modulus is 1.6-2.3, and apparent density is more than 2200Kg/m3, clay content is less than 1.0%；
    Wherein, cellulose ether is one or two kinds of mixtures of methyl cellulose ether and hydroxypropyl methyl cellulose ether；
    The preparation method of the antifreeze dry-mixed plastering mortar is as follows：
    1）Tailings stone is crushed, dried to moisture content below 0.5%, sieving, >=4.75mm particle is sent into disintegrating machine, remaining The classification of feeding screening machine weigh and be sent into mixer, control below 0.2mm particles are less than 15%；
    2）Disintegrating machine >=4.75mm mine tailing is admitted to through crushing again, repeat step 1）；
    3）By natural sand drying to moisture content below 0.5%, sieving, >=4.75mm particle is sent into disintegrating machine, remaining feeding Mixer；
    4）Disintegrating machine >=4.75mm natural sand is admitted to through crushing again, repeat step 3）；
    5）Zinc sulfate, naphthalene system pulvis water reducer, organobentonite thickening auxiliary rheological agents, swelling agent, cellulose ether, latex powder are pressed Predetermined weight ratio premix is uniform, is sent into mixer；
    6）Cement is weighed and is sent into mixer；
    7）Antifreezing agent is weighed and is sent into mixer, antifreeze dry-mixed mortar is produced after stirring.Denseness 90-100, amount of water 16-19%.
CN201510407571.1A 2015-07-13 2015-07-13 A kind of preparation method of antifreeze dry-mixed mortar Active CN105036667B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510407571.1A CN105036667B (en) 2015-07-13 2015-07-13 A kind of preparation method of antifreeze dry-mixed mortar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510407571.1A CN105036667B (en) 2015-07-13 2015-07-13 A kind of preparation method of antifreeze dry-mixed mortar

Publications (2)

Publication Number Publication Date
CN105036667A CN105036667A (en) 2015-11-11
CN105036667B true CN105036667B (en) 2017-12-26

Family

ID=54443714

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510407571.1A Active CN105036667B (en) 2015-07-13 2015-07-13 A kind of preparation method of antifreeze dry-mixed mortar

Country Status (1)

Country Link
CN (1) CN105036667B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105384405A (en) * 2015-11-16 2016-03-09 中国三冶集团有限公司 Method for preparing anti-freezing concrete
CN110418830A (en) * 2017-03-20 2019-11-05 通用电气(Ge)贝克休斯有限责任公司 Viscosity modifier and its application method
CN107986660A (en) * 2017-12-25 2018-05-04 辽宁好利置业有限公司 Environment-friendly novel antifreezing agent
CN109020456A (en) * 2018-08-25 2018-12-18 北京建工新型建材有限责任公司 A kind of Machine-made Sand dry-mixed mortar and preparation method thereof
CN109336505A (en) * 2018-10-31 2019-02-15 广西驰胜农业科技有限公司 One kind is freeze proof to split mortar and preparation method thereof
CN116924826A (en) * 2023-07-26 2023-10-24 江苏坤泽科技股份有限公司 High-strength antifreezing silt solidified light soil and preparation method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102603248A (en) * 2012-03-23 2012-07-25 北京建筑工程学院 Tailing sand mortar dry blend and mortar preparation method thereby
CN104072004A (en) * 2014-07-11 2014-10-01 北京博润佳科技有限公司 Antifreeze agent for mortar
CN104529337A (en) * 2015-01-12 2015-04-22 杭州绿怡新型建材有限公司 Post-tensioned prestressed concrete beam duct grouting material of highway bridge and preparation method thereof

Also Published As

Publication number Publication date
CN105036667A (en) 2015-11-11

Similar Documents

Publication Publication Date Title
CN105036667B (en) A kind of preparation method of antifreeze dry-mixed mortar
CN103342491B (en) Iron tailings based composite mineral blending material and preparation technology thereof
CN104556866B (en) A kind of mine tailing stone flour wet-mixing motar
CN102992722B (en) Ultrahigh-strength grouting material based on iron tailing sand and cement and preparation method of grouting material
CN106187004B (en) A kind of ecological permeable concrete and preparation method thereof
CN102515681B (en) Method for producing aerated building block with phosphogypsum as main raw material
CN101786811B (en) Method for preparing multicomponent powder binding material
CN105000851B (en) A kind of preparation method of the frost-resistant concrete with mine tailing as aggregate
CN103159448B (en) A kind of preparation method of the Artificial fish reef concrete material with slag as primary raw material
CN103553454A (en) High performance concrete with steel slag as admixture and aggregate and preparation method thereof
CN103382124B (en) A kind of molybdenum tailings air-entrained concrete building block and preparation method thereof
CN103332892A (en) Industrial waste residue dry-mixed mortar
CN103288410A (en) Alpha high-strength gypsum based self-leveling material prepared by adopting phosphogypsum and production process thereof
CN104961413A (en) Method for preparing road concrete from admixtures steel slag micro-powder, superfine slag powder and fly ash
CN106517978A (en) Light-weight thermal mortar taking ardealite hydraulic compound gel material as principal material
CN103396158B (en) A kind of Antibacterial molybdenum tailings air-entrained concrete building block and preparation method thereof
CN102503198B (en) Compound green mud coal ash for concrete
CN103864357A (en) Premixed recycled concrete and preparation method thereof
CN101348336B (en) Composite type special cement for ready-mixed mortar
CN105819780A (en) Concrete and preparation method thereof
CN104016603B (en) The preparation method of industrial residue formula mixed mineral powder
CN104016609B (en) One kind prepares the addition of ferronickel slag environment-friendly type active mineral material and excites agent method
CN104496327A (en) Wet-mixed masonry mortar prepared by adopting aggregate chips
CN104556875A (en) Wet-mixed plastering mortar prepared from stone chips and tailing sand
CN104072028A (en) Method for preparing concrete from industrial waste residue fine aggregate

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant