CN105565749A - Dry-mixed mortar with iron tailing sand - Google Patents

Dry-mixed mortar with iron tailing sand Download PDF

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Publication number
CN105565749A
CN105565749A CN201610020156.5A CN201610020156A CN105565749A CN 105565749 A CN105565749 A CN 105565749A CN 201610020156 A CN201610020156 A CN 201610020156A CN 105565749 A CN105565749 A CN 105565749A
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China
Prior art keywords
dry
sand
iron tailings
parts
mix
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Pending
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CN201610020156.5A
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Chinese (zh)
Inventor
丁海棠
郑杰
丁波
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丁海棠
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Priority to CN201610020156.5A priority Critical patent/CN105565749A/en
Publication of CN105565749A publication Critical patent/CN105565749A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039Premixtures of ingredients
    • C04B40/0042Powdery mixtures
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention discloses dry-mixed mortar with iron tailing sand. The dry-mixed mortar is prepared from, by weight, 59-67 parts of cement, the 35-39 parts of iron tailing sand, 15-27 parts of coal ash, 24-26 parts of river sand, 0.5-1.2 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 5-9 parts of calcium formate, 3-5 parts of redispersible powder, 4-7 parts of gypsum, 0.5-0.7 part of fatty sodium sulfonate salt, 0.6-0.8 part of an LBCB-1 thixotropic lubrication agent, and 1.5-1.9 parts of sodium silicate. The composition is reasonable, a beneficial way is provided for efficient and abundant utilization of iron tailing sand resources, and both the compressive strength and breaking strength of the prepared dry-mixed mortar reach high standards.

Description

A kind of dry-mix of iron tailings sand
Technical field
The present invention relates to building material technical field, be specially a kind of dry-mix of iron tailings sand.
Background technology
At present, dry-mix refers to that drying sieves a kind of particulate state or the powdery that aggregate (as quartz sand), inorganic coagulation material (as cement) and the additive (as polymkeric substance) etc. that process carry out physical mixed by a certain percentage, be transported to building site with form packed or in bulk, add water the material that can directly use after mixing and stirring.Also known as making dry mortar powder, dry blend, dry mixing powder, some building tamanori also belongs to this type of.Dry-mix plays bonding, liner, protection and decoration function with thin layer in construction industry, and building and fitting-out work are applied very extensive.
Relative to the mortar prepared at the construction field (site), dry-mix has following advantage:
(1) stay in grade is reliable, can meet different functions and performance requirement, improves construction quality.
(2) effect improves, and is conducive to the application of automated construction facility, changes the behindhand type of traditional architecture construction.
(3) there is stronger adaptability to novel wall material, be conducive to applying new wall material.
(4) easy to use, be convenient to management.
Meanwhile, the disparities between supply and demand of current natural sand resource are constantly aggravated, urgently to be resolved hurrily.CHARACTERISTICS OF TAILINGS SAND produces every year in a large number, becomes dangerous matter sources.Need to design a kind of premixing mortar based on iron tailings sand.
Summary of the invention
Technical problem solved by the invention is the dry-mix providing a kind of iron tailings sand, thus solves the problem in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions:
A dry-mix for iron tailings sand, comprises the raw material preparation of following weight part:
Cement 59-67 part;
Iron tailings sand 35-39 part;
Flyash 15-27 part;
River sand 24-26 part;
Polyoxyethylene polyoxypropylene tetramethylolmethane ether 0.5-1.2 part
Calcium formiate 5-9 part;
Redispersable latex powder 3-5 part;
Gypsum 4-7 part;
Aliphatic sulfonic acid sodium salt 0.5-0.7 part;
LBCB-1 thixotropic lubricant 0.6-0.8 part;
Water glass 1.5-1.9 part.
In the present invention, as the preferred technical scheme of one, described cement adopts high-alumina cement.
In the present invention, as the preferred technical scheme of one, the fineness modulus of described iron tailings sand is 0.45.
In the present invention, as the preferred technical scheme of one, described river sand maximum particle diameter is 2.4 by 5mm sieve aperture fineness modulus, and sand grain composition is even, and silt content is not more than 1%.
In the present invention, as the preferred technical scheme of one, redispersable latex powder adopts vinyl acetate between to for plastic/tertiary monocarboxylic acid ethylene copolymer.
In the present invention, as the preferred technical scheme of one, a kind of dry-mix of iron tailings sand adopts the method comprised the steps to be prepared from:
(1) utilize tap water to be soaked by stirrer inwall, weigh each component by proportioning;
(2) open stirrer, cement, iron tailings sand, flyash, river sand, calcium formiate and gypsum sequentially added in stirrer, stir 25-35 minute,
(3) polyoxyethylene polyoxypropylene tetramethylolmethane ether, redispersable latex powder, aliphatic sulfonic acid sodium salt and water glass are added to the water, mix the liquid that is uniformly mixed, when continuously stirring, Homogeneous phase mixing liquid is added in the stirrer of step (2), stir 35-45 minute
(4) finally LBCB-1 thixotropic lubricant is added in the stirrer of step (3), stirs 7-15 minute, obtain iron tailings sand dry powder mortar.
Owing to have employed above technical scheme, the present invention has following beneficial effect:
Instant component is reasonable, and not only for efficient, a large amount of utilizations of iron tailings sand resource provide a kind of beneficial way, and the ultimate compression strength of the dry-mix of preparation and folding strength all reach higher standard.Through measuring, 28 days ultimate compression strength is about 19.7MPa, and folding strength is about 6.9MPa.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1
A dry-mix for iron tailings sand, comprises the raw material preparation of following weight part:
Cement 59 parts; 35 parts, iron tailings sand; 15 parts, flyash; 24 parts, river sand; 0.5 part, polyoxyethylene polyoxypropylene tetramethylolmethane ether; Calcium formiate 5 parts; Redispersable latex powder 3 parts; 4 parts, gypsum; Aliphatic sulfonic acid sodium salt 0.5 part; LBCB-1 thixotropic lubricant 0.6 part; Water glass 1.5 parts.
In the present embodiment, described cement adopts high-alumina cement, and the fineness modulus of described iron tailings sand is 0.45, described river sand maximum particle diameter is 2.4 by 5mm sieve aperture fineness modulus, sand grain composition is even, and silt content is not more than 1%, and redispersable latex powder adopts vinyl acetate between to for plastic/tertiary monocarboxylic acid ethylene copolymer.
The present embodiment adopts the method comprised the steps to be prepared from:
(1) utilize tap water to be soaked by stirrer inwall, weigh each component by proportioning;
(2) open stirrer, cement, iron tailings sand, flyash, river sand, calcium formiate and gypsum sequentially added in stirrer, stirs 25 minutes,
(3) polyoxyethylene polyoxypropylene tetramethylolmethane ether, redispersable latex powder, aliphatic sulfonic acid sodium salt and water glass are added to the water, mix the liquid that is uniformly mixed, when continuously stirring, Homogeneous phase mixing liquid is added in the stirrer of step (2), stir 35 minutes
(4) finally LBCB-1 thixotropic lubricant is added in the stirrer of step (3), stirs 7 minutes, obtain iron tailings sand dry powder mortar.
Embodiment 2
A dry-mix for iron tailings sand, comprises the raw material preparation of following weight part:
Cement 67 parts; 39 parts, iron tailings sand; 27 parts, flyash; 26 parts, river sand; 1.2 parts, polyoxyethylene polyoxypropylene tetramethylolmethane ether; Calcium formiate 9 parts; Redispersable latex powder 5 parts; 7 parts, gypsum; Aliphatic sulfonic acid sodium salt 0.7 part; LBCB-1 thixotropic lubricant 0.8 part; Water glass 1.9 parts.
In the present embodiment, described cement adopts high-alumina cement, and the fineness modulus of described iron tailings sand is 0.45, described river sand maximum particle diameter is 2.4 by 5mm sieve aperture fineness modulus, sand grain composition is even, and silt content is not more than 1%, and redispersable latex powder adopts vinyl acetate between to for plastic/tertiary monocarboxylic acid ethylene copolymer.
The present embodiment adopts the method comprised the steps to be prepared from:
(1) utilize tap water to be soaked by stirrer inwall, weigh each component by proportioning;
(2) open stirrer, cement, iron tailings sand, flyash, river sand, calcium formiate and gypsum sequentially added in stirrer, stirs 35 minutes,
(3) polyoxyethylene polyoxypropylene tetramethylolmethane ether, redispersable latex powder, aliphatic sulfonic acid sodium salt and water glass are added to the water, mix the liquid that is uniformly mixed, when continuously stirring, Homogeneous phase mixing liquid is added in the stirrer of step (2), stir 45 minutes
(4) finally LBCB-1 thixotropic lubricant is added in the stirrer of step (3), stirs 15 minutes, obtain iron tailings sand dry powder mortar.
Embodiment 3
A dry-mix for iron tailings sand, comprises the raw material preparation of following weight part:
Cement 65 parts; 38 parts, iron tailings sand; 20 parts, flyash; 25 parts, river sand; 0.7 part, polyoxyethylene polyoxypropylene tetramethylolmethane ether; Calcium formiate 7 parts; Redispersable latex powder 4 parts; 6 parts, gypsum; Aliphatic sulfonic acid sodium salt 0.6 part; LBCB-1 thixotropic lubricant 0.7 part; Water glass 1.7 parts.
In the present embodiment, described cement adopts high-alumina cement, and the fineness modulus of described iron tailings sand is 0.45, described river sand maximum particle diameter is 2.4 by 5mm sieve aperture fineness modulus, sand grain composition is even, and silt content is not more than 1%, and redispersable latex powder adopts vinyl acetate between to for plastic/tertiary monocarboxylic acid ethylene copolymer.
The present embodiment adopts the method comprised the steps to be prepared from:
(1) utilize tap water to be soaked by stirrer inwall, weigh each component by proportioning;
(2) open stirrer, cement, iron tailings sand, flyash, river sand, calcium formiate and gypsum sequentially added in stirrer, stirs 30 minutes,
(3) polyoxyethylene polyoxypropylene tetramethylolmethane ether, redispersable latex powder, aliphatic sulfonic acid sodium salt and water glass are added to the water, mix the liquid that is uniformly mixed, when continuously stirring, Homogeneous phase mixing liquid is added in the stirrer of step (2), stir 40 minutes
(4) finally LBCB-1 thixotropic lubricant is added in the stirrer of step (3), stirs 10 minutes, obtain iron tailings sand dry powder mortar.
Embodiment 4
A dry-mix for iron tailings sand, comprises the raw material preparation of following weight part:
Cement 59 parts; 39 parts, iron tailings sand; 25 parts, flyash; 26 parts, river sand; 0.9 part, polyoxyethylene polyoxypropylene tetramethylolmethane ether; Calcium formiate 8 parts; Redispersable latex powder 4 parts; 7 parts, gypsum; Aliphatic sulfonic acid sodium salt 0.5 part; LBCB-1 thixotropic lubricant 0.7 part; Water glass 1.9 parts.
In the present embodiment, described cement adopts high-alumina cement, and the fineness modulus of described iron tailings sand is 0.45, described river sand maximum particle diameter is 2.4 by 5mm sieve aperture fineness modulus, sand grain composition is even, and silt content is not more than 1%, and redispersable latex powder adopts vinyl acetate between to for plastic/tertiary monocarboxylic acid ethylene copolymer.
The present embodiment adopts the method comprised the steps to be prepared from:
(1) utilize tap water to be soaked by stirrer inwall, weigh each component by proportioning;
(2) open stirrer, cement, iron tailings sand, flyash, river sand, calcium formiate and gypsum sequentially added in stirrer, stirs 25 minutes,
(3) polyoxyethylene polyoxypropylene tetramethylolmethane ether, redispersable latex powder, aliphatic sulfonic acid sodium salt and water glass are added to the water, mix the liquid that is uniformly mixed, when continuously stirring, Homogeneous phase mixing liquid is added in the stirrer of step (2), stir 45 minutes
(4) finally LBCB-1 thixotropic lubricant is added in the stirrer of step (3), stirs 10 minutes, obtain iron tailings sand dry powder mortar.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (6)

1. a dry-mix for iron tailings sand, is characterized in that: the raw material preparation comprising following weight part:
Cement 59-67 part;
Iron tailings sand 35-39 part;
Flyash 15-27 part;
River sand 24-26 part;
Polyoxyethylene polyoxypropylene tetramethylolmethane ether 0.5-1.2 part
Calcium formiate 5-9 part;
Redispersable latex powder 3-5 part;
Gypsum 4-7 part;
Aliphatic sulfonic acid sodium salt 0.5-0.7 part;
LBCB-1 thixotropic lubricant 0.6-0.8 part;
Water glass 1.5-1.9 part.
2. the dry-mix of a kind of iron tailings sand according to claim 1, is characterized in that: described cement adopts high-alumina cement.
3. the dry-mix of a kind of iron tailings sand according to claim 1, is characterized in that: the fineness modulus of described iron tailings sand is 0.45.
4. the dry-mix of a kind of iron tailings sand according to claim 1, is characterized in that: described river sand maximum particle diameter is 2.4 by 5mm sieve aperture fineness modulus, and sand grain composition is even, and silt content is not more than 1%.
5. the dry-mix of a kind of iron tailings sand according to claim 1, is characterized in that: redispersable latex powder adopts vinyl acetate between to for plastic/tertiary monocarboxylic acid ethylene copolymer.
6. the dry-mix of a kind of iron tailings sand according to claim 1, is characterized in that: adopt the method comprised the steps to be prepared from:
(1) utilize tap water to be soaked by stirrer inwall, weigh each component by proportioning;
(2) open stirrer, cement, iron tailings sand, flyash, river sand, calcium formiate and gypsum sequentially added in stirrer, stir 25-35 minute,
(3) polyoxyethylene polyoxypropylene tetramethylolmethane ether, redispersable latex powder, aliphatic sulfonic acid sodium salt and water glass are added to the water, mix the liquid that is uniformly mixed, when continuously stirring, Homogeneous phase mixing liquid is added in the stirrer of step (2), stir 35-45 minute
(4) finally LBCB-1 thixotropic lubricant is added in the stirrer of step (3), stirs 7-15 minute, obtain iron tailings sand dry powder mortar.
CN201610020156.5A 2016-01-13 2016-01-13 Dry-mixed mortar with iron tailing sand Pending CN105565749A (en)

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Application Number Priority Date Filing Date Title
CN201610020156.5A CN105565749A (en) 2016-01-13 2016-01-13 Dry-mixed mortar with iron tailing sand

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109180128A (en) * 2018-11-12 2019-01-11 北京建工新型建材有限责任公司 Polymer repairs dry powder and mortar and polymer mending mortar

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101560083A (en) * 2009-06-02 2009-10-21 河北科技大学 Dry powder mortar of mine tailings
CN101880142A (en) * 2010-06-25 2010-11-10 河北科技大学 Method for preparing wall and floor tile adhesive mortar by using mill tailings
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
WO2013086722A1 (en) * 2011-12-15 2013-06-20 Dow Global Technologies Llc Dry mix formulations containing carboxylated styrene-butadiene redispersible polymer powders and alumina rich containing cements

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101560083A (en) * 2009-06-02 2009-10-21 河北科技大学 Dry powder mortar of mine tailings
CN101880142A (en) * 2010-06-25 2010-11-10 河北科技大学 Method for preparing wall and floor tile adhesive mortar by using mill tailings
WO2013086722A1 (en) * 2011-12-15 2013-06-20 Dow Global Technologies Llc Dry mix formulations containing carboxylated styrene-butadiene redispersible polymer powders and alumina rich containing cements
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109180128A (en) * 2018-11-12 2019-01-11 北京建工新型建材有限责任公司 Polymer repairs dry powder and mortar and polymer mending mortar

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Application publication date: 20160511

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