CN114956767A - Preparation method of stabilizing material of inorganic binder suitable for low temperature - Google Patents
Preparation method of stabilizing material of inorganic binder suitable for low temperature Download PDFInfo
- Publication number
- CN114956767A CN114956767A CN202210555092.4A CN202210555092A CN114956767A CN 114956767 A CN114956767 A CN 114956767A CN 202210555092 A CN202210555092 A CN 202210555092A CN 114956767 A CN114956767 A CN 114956767A
- Authority
- CN
- China
- Prior art keywords
- inorganic binder
- parts
- desulfurization
- ash
- mixing
- 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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- 239000011230 binding agent Substances 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 230000000087 stabilizing effect Effects 0.000 title abstract description 5
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 23
- 230000023556 desulfurization Effects 0.000 claims abstract description 23
- 239000002956 ash Substances 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 239000007800 oxidant agent Substances 0.000 claims abstract description 14
- 230000001590 oxidative effect Effects 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 10
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 10
- 239000010881 fly ash Substances 0.000 claims abstract description 10
- 239000004571 lime Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 239000012615 aggregate Substances 0.000 claims abstract description 4
- 238000002715 modification method Methods 0.000 claims abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 239000004115 Sodium Silicate Substances 0.000 claims description 6
- 239000011149 active material Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 6
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 5
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 claims description 4
- 235000010261 calcium sulphite Nutrition 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 claims description 3
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 229960003975 potassium Drugs 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 235000017550 sodium carbonate Nutrition 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical group [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 3
- 229960005076 sodium hypochlorite Drugs 0.000 claims description 3
- 229960001922 sodium perborate Drugs 0.000 claims description 3
- 229940045872 sodium percarbonate Drugs 0.000 claims description 3
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 claims description 3
- 239000002910 solid waste Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
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
- C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- 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
-
- 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 steel, in particular to a preparation method of a stable material of an inorganic binder, which is suitable for low temperature and solves the problems that the strength and the performance of the inorganic binder are greatly influenced by temperature, the strength of the material is slowly increased and is not nearly increased any more during low-temperature construction, the construction period is short, and the overall cost of a project is increased in the prior art. The preparation method of the stable material of the inorganic binder suitable for the low temperature comprises the step of stirring and mixing lime, fly ash, aggregate and desulfurization mortar body modified by an oxidant with water to obtain the inorganic binder, wherein the modification method of the desulfurization mortar body comprises the step of uniformly mixing and stirring 7-9 parts by weight of an oxidant aqueous solution and 1-3 parts by weight of desulfurization ash. The invention can realize sustainable increase of the strength performance of the inorganic binder and the stabilizing material under the condition of lower temperature, prolongs the construction season in northeast regions, and is more suitable for the northeast regions, beneficial to prolonging the construction period and reducing the construction cost of the whole project.
Description
Technical Field
The invention relates to the technical field of steel, in particular to a preparation method of a stable material of an inorganic binder suitable for low temperature.
Background
The steel industry is the national economic prop industry, a large amount of sulfur-containing coal fuel and ore are consumed in the pelletizing and sintering processes in the steel production, and meanwhile, the total amount of discharged SO2,2011 is 251 ten thousand tons, which is second only to the power industry and is located the second place of the whole country.
The existing flue gas desulfurization technology can be divided into 3 types, namely a wet method, a dry method and a semi-dry method, wherein the semi-dry method desulfurization technology has the characteristics of the dry method and the wet method due to the advantages of high desulfurization efficiency, short process flow, small occupied area, small investment and the like, and is widely applied to the treatment process of steel and ball-fired flue gas in China, and the semi-dry method desulfurization ash component is mainly calcium sulfite, and the content of the semi-dry method desulfurization ash component can reach 40%.
However, the strength and performance of the inorganic binder are greatly influenced by temperature, the material strength is slowly increased in low-temperature construction and is not increased any more, the construction period is short, and the overall cost of the project is increased.
Disclosure of Invention
The invention aims to provide a preparation method of a stable inorganic binder suitable for low temperature, and solves the problems that the strength and performance of the inorganic binder are greatly influenced by temperature, the strength of the material is slowly increased and is not increased nearly any more during low-temperature construction, the construction period is short, and the overall cost of a project is increased in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the preparation method of the stable material of the inorganic binder suitable for low temperature comprises the following steps of stirring and mixing lime, fly ash, aggregate, desulfurization mortar body modified by an oxidant and water to obtain the inorganic binder;
the modification method of the desulfurization ash slurry comprises the following steps of mixing and uniformly stirring 7-9 parts by weight of an oxidant aqueous solution and 1-3 parts by weight of desulfurization ash to obtain a modified desulfurization ash slurry body;
the lime is a building standard third grade; the fly ash is a building standard third grade; the aggregate is the aggregate which accords with highway engineering aggregate test regulation JTG E42-2005; the desulfurized ash is a byproduct solid waste generated by semi-dry desulfurization in steel sintering and pellet flue gas processes, the semi-dry desulfurized ash mainly contains calcium sulfite, and the content of the desulfurized ash reaches 40%; the oxidant is selected from sodium hypochlorite, sodium percarbonate, sodium perborate and potassium perborate;
the inorganic binder comprises the following raw materials in parts by weight: 3-6 parts of lime, 8-15 parts of fly ash, 75-85 parts of aggregate, 4-8 parts of oxidant-modified desulfurized mortar body and 3-6 parts of water;
mixing an inorganic binder with an active material to obtain a stabilized material, the active material comprising:
water glass (Na2CO3 sodium silicate), modulus 2.4-2.6 and caustic soda (NaOH): dissolving sodium silicate 4:6 in mixing water in a mixing amount of 1%.
Preferably, the concentration of the oxidant aqueous solution is 2-5%.
Preferably, the mixing and stirring time is 20-60 min.
The invention has at least the following beneficial effects:
the invention can realize sustainable increase of the strength performance of the inorganic binder and the stabilizing material under the condition of lower temperature, prolongs the construction season in northeast regions, and is more suitable for the northeast regions, beneficial to prolonging the construction period and reducing the construction cost of the whole project.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
The preparation method of the stable material of the inorganic binder suitable for low temperature comprises the steps of stirring and mixing lime, fly ash, aggregate, desulfurization mortar body modified by an oxidant and water to obtain the inorganic binder;
the modification method of the desulfurization ash slurry comprises the following steps of mixing and uniformly stirring 7-9 parts by weight of an oxidant aqueous solution and 1-3 parts by weight of desulfurization ash to obtain modified desulfurization ash slurry;
lime is the third grade of building standard; the fly ash is a building standard third grade; the aggregate is the aggregate which accords with highway engineering aggregate test regulation JTG E42-2005; the desulfurized ash is a byproduct solid waste generated by semi-dry desulfurization in steel sintering and pellet flue gas processes, the semi-dry desulfurized ash mainly contains calcium sulfite, and the content of the desulfurized ash reaches 40%; the oxidant is selected from sodium hypochlorite, sodium percarbonate, sodium perborate and potassium perborate;
the inorganic binder comprises the following raw materials in parts by weight: 3-6 parts of lime, 8-15 parts of fly ash, 75-85 parts of aggregate, 4-8 parts of oxidant-modified desulfurized mortar body and 3-6 parts of water;
mixing an inorganic binder with an active material to obtain a stabilized material, the active material comprising:
water glass (Na2CO3 sodium silicate), modulus 2.4-2.6 and caustic soda (NaOH): dissolving sodium silicate 4:6 in mixing water in a mixing amount of 1%.
Furthermore, the concentration of the oxidant aqueous solution is 2-5%.
Further, the mixing and stirring time is 20-60 min.
To sum up: the invention can realize sustainable increase of the strength performance of the inorganic binder and the stabilizing material under the condition of lower temperature, prolongs the construction season in northeast regions, and is more suitable for the northeast regions, beneficial to prolonging the construction period and reducing the construction cost of the whole project.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The preparation method of the stable material of the inorganic binder suitable for low temperature is characterized by comprising the following steps of stirring and mixing lime, fly ash, aggregate, desulfurization mortar body modified by an oxidant and water to obtain the inorganic binder;
the modification method of the desulfurization ash slurry comprises the following steps of mixing and uniformly stirring 7-9 parts by weight of an oxidant aqueous solution and 1-3 parts by weight of desulfurization ash to obtain a modified desulfurization ash slurry body;
the lime is a building standard third grade; the fly ash is a building standard third grade; the aggregate is the aggregate which accords with highway engineering aggregate test regulation JTG E42-2005; the desulfurized ash is a byproduct solid waste generated by semi-dry desulfurization in steel sintering and pellet flue gas processes, the semi-dry desulfurized ash mainly contains calcium sulfite, and the content of the desulfurized ash reaches 40%; the oxidant is selected from sodium hypochlorite, sodium percarbonate, sodium perborate and potassium perborate;
the inorganic binder comprises the following raw materials in parts by weight: 3-6 parts of lime, 8-15 parts of fly ash, 75-85 parts of aggregate, 4-8 parts of oxidant-modified desulfurized mortar body and 3-6 parts of water;
mixing an inorganic binder with an active material to obtain a stabilized material, the active material comprising:
water glass (Na2CO3 sodium silicate), modulus 2.4-2.6 and caustic soda (NaOH): dissolving sodium silicate 4:6 in mixing water in a mixing amount of 1%.
2. The method for preparing a low temperature compatible inorganic binder stabilizer according to claim 1, wherein: the concentration of the oxidant aqueous solution is 2-5%.
3. The method for preparing a low temperature compatible inorganic binder stabilizer according to claim 1, wherein: the mixing and stirring time is 20-60 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210555092.4A CN114956767A (en) | 2022-05-20 | 2022-05-20 | Preparation method of stabilizing material of inorganic binder suitable for low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210555092.4A CN114956767A (en) | 2022-05-20 | 2022-05-20 | Preparation method of stabilizing material of inorganic binder suitable for low temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114956767A true CN114956767A (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210555092.4A Pending CN114956767A (en) | 2022-05-20 | 2022-05-20 | Preparation method of stabilizing material of inorganic binder suitable for low temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114956767A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4842649A (en) * | 1987-10-02 | 1989-06-27 | Pyrament, Inc. | Cement composition curable at low temperatures |
| CN102300826A (en) * | 2009-01-30 | 2011-12-28 | 全南大学校产学协力团 | Alkali-activated binder, alkali-activated mortar, concrete products and wet red clay paving material using binder |
| CN106630894A (en) * | 2016-12-02 | 2017-05-10 | 首钢环境产业有限公司 | Inorganic binding material and preparation method thereof |
| CN113307595A (en) * | 2021-06-17 | 2021-08-27 | 内蒙古工业大学 | Multi-element solid waste synergy-based geopolymer cementing material for pavement base and preparation method thereof |
-
2022
- 2022-05-20 CN CN202210555092.4A patent/CN114956767A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4842649A (en) * | 1987-10-02 | 1989-06-27 | Pyrament, Inc. | Cement composition curable at low temperatures |
| CN102300826A (en) * | 2009-01-30 | 2011-12-28 | 全南大学校产学协力团 | Alkali-activated binder, alkali-activated mortar, concrete products and wet red clay paving material using binder |
| CN106630894A (en) * | 2016-12-02 | 2017-05-10 | 首钢环境产业有限公司 | Inorganic binding material and preparation method thereof |
| CN113307595A (en) * | 2021-06-17 | 2021-08-27 | 内蒙古工业大学 | Multi-element solid waste synergy-based geopolymer cementing material for pavement base and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张海涛: "盾构同步注浆材料试验研究", 《铁道勘测与设计》 * |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220830 |
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