CN115448677A - Industrial solid waste base soil curing agent and preparation method thereof - Google Patents

Industrial solid waste base soil curing agent and preparation method thereof Download PDF

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Publication number
CN115448677A
CN115448677A CN202210970138.9A CN202210970138A CN115448677A CN 115448677 A CN115448677 A CN 115448677A CN 202210970138 A CN202210970138 A CN 202210970138A CN 115448677 A CN115448677 A CN 115448677A
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CN
China
Prior art keywords
powder
industrial
waste residue
agent
parts
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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
CN202210970138.9A
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Chinese (zh)
Inventor
王真
蒋艳茹
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Xi'an Yinding Technology Co ltd
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Xi'an Yinding Technology Co ltd
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Priority to CN202210970138.9A priority Critical patent/CN115448677A/en
Publication of CN115448677A publication Critical patent/CN115448677A/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
    • C04B28/14—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 calcium sulfate cements
    • 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
    • C04B2111/00017—Aspects relating to the protection of the environment
    • 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
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00732—Uses not provided for elsewhere in C04B2111/00 for soil stabilisation
    • 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
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00767—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes
    • 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
    • C04B2111/34—Non-shrinking or non-cracking materials
    • C04B2111/343—Crack resistant materials
    • 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

Abstract

The invention relates to the technical field of chemical materials, and discloses an industrial solid waste base soil curing agent and a preparation method thereof, wherein the industrial solid waste base soil curing agent comprises the following components: silicate, water reducing agent (powder), industrial waste residue, lime, gypsum and anti-cracking expanding agent (powder), wherein the components in parts by weight are as follows: 1.5 to 2.1 parts of silicate, 0.5 to 1.5 parts of water reducing agent (powder), 38 to 72 parts of industrial waste residue, 15 to 20 parts of lime, 3.1 to 7.5 parts of gypsum and 2.1 to 4.3 parts of anti-cracking expanding agent (powder), wherein the industrial waste residue is used as a main raw material, so that the industrial waste can be recycled, the environmental pollution caused by waste accumulation is avoided, and the method has the characteristics of good environmental protection effect and low cost, greatly reduces the environmental pollution and has wide application prospect.

Description

Industrial solid waste base soil curing agent and preparation method thereof
Technical Field
The invention relates to the technical field of chemical materials, in particular to an industrial solid waste base soil curing agent and a preparation method thereof.
Background
As industrial production progresses, the amount of industrial waste, which means solid waste generated in industrial production activities, is increasing, and various waste residues, dusts and other wastes discharged into the environment during industrial production are being increased. Can be divided into general industrial wastes (such as blast furnace slag, steel slag, red mud, non-ferrous slag, fly ash, coal slag, sulfuric acid slag, waste gypsum, desulfurization ash, carbide slag, salt slurry and the like) and industrial harmful solid wastes, and has various types, complex components and quite difficult treatment.
The soil solidifying agent is a new type energy-saving environment-protecting engineering material which is made up by using several inorganic and organic materials and can be used for solidifying various soils, and is characterized by that its road-using technical index is good, engineering cost is low, construction is convenient and construction period is shortened.
At present, industrial waste emission is increased year by year, serious pollution is brought to the environment, at the present stage, the recycling of industrial waste is particularly important, and most of the existing curing agents are made of traditional materials (cement, fly ash, lime and the like), so that the cost is high, the environment is polluted, and meanwhile, the problem of low strength is caused.
Disclosure of Invention
The invention aims to provide an industrial solid waste base soil curing agent and a preparation method thereof, and aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an industrial solid waste base soil curing agent comprises the following components:
silicate, water reducing agent (powder), industrial waste residue, lime, gypsum and anti-cracking expanding agent (powder).
Preferably, the components in parts by weight are as follows: 1.5 to 2.1 portions of silicate, 0.5 to 1.5 portions of water reducing agent (powder), 38 to 72 portions of industrial waste residue, 15 to 20 portions of lime, 3.1 to 7.5 portions of gypsum and 2.1 to 4.3 portions of anti-cracking expanding agent (powder).
Preferably, the industrial waste residue is one or more of metallurgical waste residue, mining waste residue, fuel waste residue and chemical waste residue.
Preferably, the anti-cracking expanding agent (powder) consists of fluorine-containing gypsum powder, fly ash, calcium carbonate and ethanol.
Preferably, the water reducing agent (powder) is powder polycarboxylate.
A preparation method of an industrial solid waste base soil curing agent comprises the following steps:
s1, drying and grinding:
drying the industrial waste residues to enable the moisture content of the industrial waste residues to be lower than 1%, then grinding silicate, water reducing agent (powder), lime, gypsum, anti-cracking expanding agent (powder) and the industrial waste residues for 30-60 min until the surface area of the industrial waste residues is 350-500 square meters per kg;
s2, mixing and stirring:
putting the raw materials in the step S1 into a stirrer in proportion, and mixing and stirring at the rotating speed of the stirrer of 150-250 r/min for 15-20 min;
and S3, obtaining mixed powder.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention relates to an industrial solid waste base soil curing agent and a preparation method thereof, wherein industrial waste residues are used as main raw materials, industrial waste can be recycled, environmental pollution caused by waste accumulation is avoided, the industrial solid waste base soil curing agent has the characteristics of good environmental protection effect and low cost, environmental pollution is greatly reduced, and the industrial solid waste base soil curing agent has wide application prospect.
(2) The invention relates to an industrial solid waste base soil curing agent and a preparation method thereof, wherein silicate, a water reducing agent (powder) and an anti-cracking expanding agent (powder) are added, so that the compressive strength of a cured soil body can be obviously improved, the strength is improved, and cracks are prevented.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
A technical scheme of an industrial solid waste base soil curing agent is as follows: comprises the following components:
silicate, water reducing agent (powder), industrial waste residue, lime, gypsum and anti-cracking expanding agent (powder).
The composition comprises the following components in parts by weight: 1.5 parts of silicate, 0.5 part of water reducing agent (powder), 38 parts of industrial waste residue, 15 parts of lime, 3.1 parts of gypsum and 2.1 parts of anti-cracking expanding agent (powder).
The industrial waste residue is one or more of metallurgical waste residue (blast furnace slag, steel slag, various non-ferrous slag, ferroalloy slag, iron-melting slag, various dust, sludge and the like), mining waste residue (in the mining process of various ores and coal, the generated slag is extremely large in quantity and wide in range, and includes stripping waste stone, tunneling waste stone, coal gangue, ore dressing waste stone, washing waste residue, various tailings and the like of mines), fuel waste residue (waste generated after fuel combustion mainly includes coal slag, flue ash, coal powder slag, shale ash and the like) and chemical waste residue (sulfuric acid ore burned residue, acetylene sludge, alkali residue, gas slag, phosphorus residue, mercury residue, chromium residue, salt mud, sludge, boron residue, waste plastic, rubber debris and the like).
Wherein, the crack-resistant expanding agent (powder) consists of fluorine-containing gypsum powder, fly ash, calcium carbonate and ethanol.
Wherein the water reducing agent (powder) is powder polycarboxylate.
Example 2
A technical scheme of an industrial solid waste base soil curing agent is as follows: comprises the following components:
silicate, water reducing agent (powder), industrial waste residue, lime, gypsum and anti-cracking expanding agent (powder).
The composition comprises the following components in parts by weight: 1.8 parts of silicate, 0.9 part of water reducing agent (powder), 59 parts of industrial waste residue, 17 parts of lime, 4.7 parts of gypsum and 3.7 parts of anti-cracking expanding agent (powder).
The industrial waste residue is one or more of metallurgical waste residue (blast furnace slag, steel slag, various non-ferrous slag, ferroalloy slag, iron-melting slag, various dust, sludge and the like), mining waste residue (in the mining process of various ores and coal, the generated slag is extremely large in quantity and wide in range, and includes stripping waste stone, tunneling waste stone, coal gangue, ore dressing waste stone, washing waste residue, various tailings and the like of mines), fuel waste residue (waste generated after fuel combustion mainly includes coal slag, flue ash, coal powder slag, shale ash and the like) and chemical waste residue (sulfuric acid ore burned residue, acetylene sludge, alkali residue, gas slag, phosphorus residue, mercury residue, chromium residue, salt mud, sludge, boron residue, waste plastic, rubber debris and the like).
Wherein, the crack-resistant expanding agent (powder) consists of fluorine-containing gypsum powder, fly ash, calcium carbonate and ethanol.
Wherein the water reducing agent (powder) is powder polycarboxylate.
Example 3
A technical scheme of an industrial solid waste base soil curing agent is as follows: comprises the following components:
silicate, water reducing agent (powder), industrial waste residue, lime, gypsum and anti-cracking expanding agent (powder).
The composition comprises the following components in parts by weight: 2.1 parts of silicate, 1.5 parts of water reducing agent (powder), 72 parts of industrial waste residue, 20 parts of lime, 7.5 parts of gypsum and 4.3 parts of anti-cracking expanding agent (powder).
The industrial waste residue is one or more of metallurgical waste residue (blast furnace slag, steel slag, various non-ferrous slag, ferroalloy slag, iron-melting slag, various dust, sludge and the like), mining waste residue (in the mining process of various ores and coal, the generated slag is extremely large in quantity and wide in range, and includes stripping waste stone, tunneling waste stone, coal gangue, ore dressing waste stone, washing waste residue, various tailings and the like of mines), fuel waste residue (waste generated after fuel combustion mainly includes coal slag, flue ash, coal powder slag, shale ash and the like) and chemical waste residue (sulfuric acid ore burned residue, acetylene sludge, alkali residue, gas slag, phosphorus residue, mercury residue, chromium residue, salt mud, sludge, boron residue, waste plastic, rubber debris and the like).
Wherein, the crack-resistant expanding agent (powder) consists of fluorine-containing gypsum powder, fly ash, calcium carbonate and ethanol.
Wherein the water reducing agent (powder) is powder polycarboxylate.
The preparation method of the industrial solid waste base soil solidifying agent provided by the above embodiments 1 to 3 includes the following steps:
the method comprises the following steps:
s1, drying and grinding:
drying the industrial waste residues to enable the moisture content of the industrial waste residues to be lower than 1%, then grinding silicate, water reducing agent (powder), lime, gypsum, anti-cracking expanding agent (powder) and the industrial waste residues for 30-60 min until the surface area of the industrial waste residues is 350-500 square meters per kg;
s2, mixing and stirring:
putting the raw materials in the step S1 into a stirrer according to a proportion, mixing and stirring, wherein the rotating speed of the stirrer is 150-250 r/min, and the stirring time is 15-20 min;
and S3, obtaining mixed powder.
Comparative example 1
This comparative example provides an industrial solid waste base soil solidifying agent having substantially the same composition as in examples 1-3, except that: does not contain crack-resistant expanding agent (powder)
A technical scheme of an industrial solid waste base soil curing agent is as follows: comprises the following components:
silicate, water reducing agent (powder), industrial waste residue, lime and gypsum.
The composition comprises the following components in parts by weight: 1.8 parts of silicate, 0.9 part of water reducing agent (powder), 59 parts of industrial waste residue, 17 parts of lime and 4.7 parts of gypsum.
The industrial waste residue is one or more of metallurgical waste residue (blast furnace slag, steel slag, various non-ferrous slag, ferroalloy slag, iron-melting slag, various dust, sludge and the like), mining waste residue (in the mining process of various ores and coal, the generated slag is extremely large in quantity and wide in range, and includes stripping waste stone, tunneling waste stone, coal gangue, ore dressing waste stone, washing waste residue, various tailings and the like of mines), fuel waste residue (waste generated after fuel combustion mainly includes coal slag, flue ash, coal powder slag, shale ash and the like) and chemical waste residue (sulfuric acid ore burned residue, acetylene sludge, alkali residue, gas slag, phosphorus residue, mercury residue, chromium residue, salt mud, sludge, boron residue, waste plastic, rubber debris and the like).
Wherein the water reducing agent (powder) is powder polycarboxylate.
The preparation method of the industrial solid waste base soil solidifying agent provided by the comparative example 1 comprises the following steps:
the method comprises the following steps:
s1, drying and grinding:
drying the industrial waste residue to ensure that the water content is lower than 1 percent, then grinding the silicate, the water reducing agent (powder), the lime and the gypsum) and the industrial waste residue for 30-60 min until the surface area of the industrial waste residue is 350-500 square meters per kg;
s2, mixing and stirring:
putting the raw materials in the step S1 into a stirrer according to a proportion, mixing and stirring, wherein the rotating speed of the stirrer is 150-250 r/min, and the stirring time is 15-20 min;
and S3, obtaining mixed powder.
Test examples Grade of crack resistance
Example 1 2
Example 1 2
Example 3 3
Comparative example 1 1
As can be seen from the above table, the crack resistance grade of the curing agent added with the crack resistance expanding agent is obviously improved after the curing agent is cured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The industrial solid waste base soil curing agent is characterized by comprising the following components:
silicate, water reducing agent (powder), industrial waste residue, lime, gypsum and anti-cracking expanding agent (powder).
2. The industrial solid waste base soil curing agent according to claim 1, characterized by comprising the following components in parts by mass: 1.5 to 2.1 portions of silicate, 0.5 to 1.5 portions of water reducing agent (powder), 38 to 72 portions of industrial waste residue, 15 to 20 portions of lime, 3.1 to 7.5 portions of gypsum and 2.1 to 4.3 portions of anti-cracking expanding agent (powder).
3. The industrial solid waste base soil curing agent as claimed in claim 1, wherein the industrial waste residue is one or more of metallurgical waste residue, mining waste residue, fuel waste residue and chemical waste residue.
4. The industrial solid waste base soil curing agent according to claim 1, wherein the anti-cracking expanding agent (powder) is composed of fluorine-containing gypsum powder, fly ash, calcium carbonate and ethanol.
5. The industrial solid waste base soil solidifying agent and the preparation method thereof according to claim 1, wherein the water reducing agent (powder) is powder polycarboxylate.
6. The method for preparing the industrial solid waste base soil solidifying agent according to any one of claims 1 to 5, characterized by comprising the following steps:
s1, drying and grinding:
drying the industrial waste residue to ensure that the water content is lower than 1 percent, grinding the silicate, the water reducing agent (powder), the lime, the gypsum, the anti-cracking expanding agent (powder) and the industrial waste residue for 30-60 min until the surface area of the industrial waste residue is 350-500 square meters per kg;
s2, mixing and stirring:
putting the raw materials in the step S1 into a stirrer in proportion, and mixing and stirring at the rotating speed of the stirrer of 150-250 r/min for 15-20 min;
and S3, obtaining mixed powder.
CN202210970138.9A 2022-08-12 2022-08-12 Industrial solid waste base soil curing agent and preparation method thereof Pending CN115448677A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210970138.9A CN115448677A (en) 2022-08-12 2022-08-12 Industrial solid waste base soil curing agent and preparation method thereof

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Application Number Priority Date Filing Date Title
CN202210970138.9A CN115448677A (en) 2022-08-12 2022-08-12 Industrial solid waste base soil curing agent and preparation method thereof

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Publication Number Publication Date
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003306677A (en) * 2002-02-12 2003-10-31 Katsunobu Demura Admixture for soil stabilization and engineering method for stabilizing soil by using the same
CN102634343A (en) * 2012-03-27 2012-08-15 北京市劳动保护科学研究所 Mineral slag based soil stabilizer and preparation method and application thereof
CN107572990A (en) * 2017-08-28 2018-01-12 福建建工建材科技开发有限公司 A kind of low-cost high-efficiency soft soil curing agent and preparation method and application
CN114195411A (en) * 2021-11-08 2022-03-18 华侨大学 Industrial waste residue soft soil curing agent and application thereof
CN114804675A (en) * 2022-05-09 2022-07-29 中路高科交通检测检验认证有限公司 Composite alkali-activated cementing material and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003306677A (en) * 2002-02-12 2003-10-31 Katsunobu Demura Admixture for soil stabilization and engineering method for stabilizing soil by using the same
CN102634343A (en) * 2012-03-27 2012-08-15 北京市劳动保护科学研究所 Mineral slag based soil stabilizer and preparation method and application thereof
CN107572990A (en) * 2017-08-28 2018-01-12 福建建工建材科技开发有限公司 A kind of low-cost high-efficiency soft soil curing agent and preparation method and application
CN114195411A (en) * 2021-11-08 2022-03-18 华侨大学 Industrial waste residue soft soil curing agent and application thereof
CN114804675A (en) * 2022-05-09 2022-07-29 中路高科交通检测检验认证有限公司 Composite alkali-activated cementing material and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
沈宇鹏等: "矿粉固化剂处理盐渍吹填土地基效果研究" *

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Application publication date: 20221209