CN113213838A - Method for preparing recycled concrete for roads by using industrial waste residues - Google Patents
Method for preparing recycled concrete for roads by using industrial waste residues Download PDFInfo
- Publication number
- CN113213838A CN113213838A CN202110527285.4A CN202110527285A CN113213838A CN 113213838 A CN113213838 A CN 113213838A CN 202110527285 A CN202110527285 A CN 202110527285A CN 113213838 A CN113213838 A CN 113213838A
- Authority
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- Prior art keywords
- steel slag
- concrete
- slag
- iron
- steel
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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
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000002440 industrial waste Substances 0.000 title claims abstract description 10
- 239000002893 slag Substances 0.000 claims abstract description 167
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 148
- 239000010959 steel Substances 0.000 claims abstract description 148
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 93
- 229910052742 iron Inorganic materials 0.000 claims abstract description 46
- 238000001035 drying Methods 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000003723 Smelting Methods 0.000 claims abstract description 6
- 238000000227 grinding Methods 0.000 claims abstract description 5
- 238000009628 steelmaking Methods 0.000 claims abstract description 4
- 239000004568 cement Substances 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 239000010883 coal ash Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- 239000006184 cosolvent Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims 3
- 238000002156 mixing Methods 0.000 claims 2
- 238000005485 electric heating Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 8
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 239000002956 ash Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- -1 iron aluminate Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229910021534 tricalcium silicate Inorganic materials 0.000 description 1
- 235000019976 tricalcium silicate Nutrition 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
- C04B28/02—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
-
- 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
- C04B5/00—Treatment of metallurgical slag ; Artificial stone from molten metallurgical slag
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a method for preparing recycled concrete for roads by using industrial waste residues, which comprises the following steps: s1: throwing the steel slag collected after steel making into a cleaning tank, elutriating the steel slag, removing dust attached to the steel slag, and S2: filtering out the cleaned steel slag through a filtering device, then putting the steel slag into a drying box for quick drying, and S3: putting the dried steel slag into a grinder, grinding to obtain steel slag powder, and S4: after the steel slag is dried, the steel slag can be put into an electric furnace for heating and smelting, so that the steel slag is in a high-temperature state until iron contained in the steel slag is melted. The invention can remove all iron contained in the steel slag by heating the steel slag, thereby ensuring that the concrete does not contain iron and the stability of the concrete during the later concrete preparation, and having good practicability.
Description
Technical Field
The invention relates to the technical field of resource regeneration, in particular to a method for preparing recycled concrete for roads by using industrial waste residues.
Background
The steel slag contains active mineral matters such as tricalcium silicate, dicalcium silicate and iron aluminate which are similar to cement, and has hydraulic gelatinization, so that the steel slag can be used as a raw material and an admixture for producing cement without clinker or with less clinker, and the broken steel slag has the characteristics of high density, high strength, rough surface, good stability, good wear resistance and durability, firm combination with asphalt and the like, so that the broken steel slag is widely used for backfilling railways, roads and engineering, and is particularly suitable for road construction and land building of marsh and beach.
When steel slag is used as concrete, because the steel slag contains a certain amount of iron element, the stability of the concrete is reduced due to the unstable factor of the iron element after the concrete is prepared, and the quality problem of buildings is further easily influenced, so a method for preparing recycled concrete for roads by using industrial waste slag is provided, which is used for solving the problems.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a method for preparing recycled concrete for roads by using industrial waste residues.
The invention provides a method for preparing recycled concrete for roads by using industrial waste residues, which comprises the following steps:
s1: putting the steel slag collected after steel making into a cleaning pool, elutriating the steel slag, and removing dust attached to the steel slag;
s2: filtering the cleaned steel slag through a filtering device, and then putting the steel slag into a drying box for rapid drying;
s3: putting the dried steel slag into a grinder, and grinding to obtain steel slag powder;
s4: after the steel slag is dried, the steel slag can be put into an electric furnace for heating and smelting, so that the steel slag is in a high-temperature state until iron contained in the steel slag is melted;
s5: after the iron in the steel slag is melted, filtering the liquid iron by using filtering equipment, and continuously heating the steel slag powder;
s6: when the steel slag powder is heated to a molten state, the steel slag can be moved out and placed into an extruder to be extruded into long strips with uniform length and thickness, and after the extrusion is finished, the long strips of steel slag are placed into a granulator to realize granulation so as to obtain particles with uniform size;
s7: after the steel slag is granulated, the particles can be put into a concrete mixer at the moment, then natural stones, 425 cement and water materials are put into the concrete mixer, and the mixer is started to mix the materials to obtain a concrete finished product.
Preferably, in S1, after throwing the slag into the washing pond, throw in the clear water in the washing pond after that, mix the active carbon in the aquatic, can be quick with the adnexed dust suction on the slag to utilize the mixer to stir the slag, can make things convenient for the quick even diffusion of active carbon in the washing pond on the one hand, on the other hand can prevent that the slag from taking place to pile up in the washing pond, can be quick concentrate the dust on the active carbon and get rid of fast.
Preferably, in S2, the stoving case adopts board-like electrical heating formula stoving case, sets up the sieve that shakes soon in the stoving incasement, can make things convenient for the slag to shake the sieve at the stoving incasement, avoids the slag to take place to pile up for drying efficiency, it is long when shortening the stoving.
Preferably, in S4, the melting point of iron is 1535 degrees celsius, so that the initial set temperature of the electric furnace is 1550 degrees celsius, after the iron contained in the steel slag is subjected to a high temperature, the iron will melt to form molten iron, and then the steel slag can be removed and the molten iron can be poured out, at which time the iron contained in the steel slag can be removed.
Preferably, in S5, the melting point of the steel slag is 1500-1700 ℃, and at this time, after the molten iron is poured out, the steel slag may be put into the electric furnace again, and the temperature of the electric furnace is set to 1750 ℃, so that the steel slag may be hot-melted.
Preferably, in S6, a heater is arranged in the extruder, the initial temperature set in the heater is 1700 ℃, then the steel slag in a molten state is put into the extruder, and then the temperature set in the heater is 1400 ℃, so that the steel slag is in a viscous state, and the steel slag can be extruded and molded, when the extruded steel slag strip is cut into granules, the set granules are qualified if the size is 10-20mm, after the granules are cut, the granules are screened by using a vibrating screen, and the granules are too large in size if passing through the vibrating screen, and are judged to be unqualified and need to be hot-melted and extruded again.
Preferably, in S7, before the 425 cement is put into the concrete mixer, the 425 cement may be added with the admixture containing the coal ash, the granulated blast furnace slag and the pozzolan, so as to enhance the stability of the concrete.
Preferably, in S7, the ratio of natural stone, 425 cement and steel slag is 3:5:3, and water is intermittently supplied, and when the mixture is put into concrete, the stabilizer and the cosolvent are added.
The invention has the beneficial effects that:
1. in the invention, after the steel slag is put into the cleaning pool, clear water is put into the cleaning pool, activated carbon is mixed into the water, dust attached to the steel slag can be quickly sucked out, and the steel slag is stirred by a stirrer, so that the activated carbon can be conveniently and quickly and uniformly diffused in the cleaning pool on one hand, the steel slag can be prevented from being accumulated in the cleaning pool on the other hand, the dust on the activated carbon can be quickly and intensively removed, the cleaned steel slag is filtered out by a filter, then the steel slag is put into a drying box for quick drying, the dried steel slag is put into a grinder for grinding to obtain steel slag powder, and after the steel slag is dried, the steel slag can be put into an electric furnace for heating and smelting to enable the steel slag to be in a high-temperature state until iron contained in the steel slag is melted, after the iron in the steel slag is melted, filtering the liquid iron by using filtering equipment, so that the iron contained in the steel slag can be removed, and the stability of the concrete can be ensured when the concrete is manufactured in the later stage;
2. in the invention, after the iron is removed, the steel slag powder is continuously heated, when the steel slag powder is heated to a molten state, at the moment, the steel slag can be moved out and put into an extruder to be extruded into a long strip shape with uniform length and thickness, after the extrusion is finished, putting the long-strip steel slag into a granulator to realize granulation, obtaining particles with uniform size, the steel slag with uniform size can be prepared, the steel slag does not contain iron, after the steel slag is granulated, the particles can be put into a concrete mixer, then the natural stones, 425 cement and water materials are put into the concrete mixer, the mixer is started to mix the materials to prepare a concrete finished product, and before the 425 cement is put into the concrete mixer, the 425 cement can be added with the additive, and the additive contains coal ash, granulated blast furnace slag and volcanic ash, so that the stability of the concrete can be enhanced.
The invention can remove all iron contained in the steel slag by heating the steel slag, thereby ensuring that the concrete does not contain iron and the stability of the concrete during the later concrete preparation, and having good practicability.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
The invention provides a method for preparing recycled concrete for roads by using industrial waste residues, which comprises the following steps:
s1: putting the steel slag collected after steel making into a cleaning pool, elutriating the steel slag, and removing dust attached to the steel slag;
s2: filtering the cleaned steel slag through a filtering device, and then putting the steel slag into a drying box for rapid drying;
s3: putting the dried steel slag into a grinder, and grinding to obtain steel slag powder;
s4: after the steel slag is dried, the steel slag can be put into an electric furnace for heating and smelting, so that the steel slag is in a high-temperature state until iron contained in the steel slag is melted;
s5: after the iron in the steel slag is melted, filtering the liquid iron by using filtering equipment, and continuously heating the steel slag powder;
s6: when the steel slag powder is heated to a molten state, the steel slag can be moved out and placed into an extruder to be extruded into long strips with uniform length and thickness, and after the extrusion is finished, the long strips of steel slag are placed into a granulator to realize granulation so as to obtain particles with uniform size;
s7: after the steel slag is granulated, the particles can be put into a concrete mixer at the moment, then natural stones, 425 cement and water materials are put into the concrete mixer, and the mixer is started to mix the materials to obtain a concrete finished product.
In this embodiment, in S1, after throwing in the slag to the washing pond, throw in the clear water in the washing pond after that, mix the active carbon in the aquatic, can be quick with the adnexed dust suction on the slag to utilize the mixer to stir the slag, can make things convenient for the quick even diffusion of active carbon in the washing pond on the one hand, on the other hand can prevent that the slag from taking place to pile up in the washing pond, can be quick concentrate the dust on the active carbon and get rid of fast.
In this embodiment, in S2, the stoving case adopts board-like electrical heating formula stoving case, sets up the sieve that shakes soon in the stoving incasement, can make things convenient for the slag to shake the sieve at the stoving incasement, avoids the slag to take place to pile up for drying efficiency, it is long when shortening the stoving.
In this embodiment, in S4, the melting point of iron is 1535 degrees celsius, so that the initial setting temperature of the electric furnace is 1550 degrees celsius, and the iron contained in the steel slag is melted after receiving high temperature to form molten iron, and then the steel slag can be removed to pour out the molten iron, and at this time, the iron contained in the steel slag can be removed.
In this embodiment, in S5, the melting point of the steel slag is 1500-1700 ℃, and at this time, after the molten iron is poured out, the steel slag may be put into the electric furnace again, and the temperature of the electric furnace is set to 1750 ℃, so that the steel slag may be hot-melted.
In this embodiment, in S6, a heater is disposed in the extruder, an initial temperature set in the heater is 1700 degrees centigrade, then the steel slag in a molten state is put into the extruder, and then a temperature set in the heater is 1400 degrees centigrade, so that the steel slag is in a viscous state, that is, the steel slag can be extruded and molded, when the extruded steel slag strip is cut into granules, the set granules are qualified if the size is 10-20mm, after the granules are cut, the granules are screened by using a vibrating screen, and if the size is too large through the vibrating screen, the granules are determined to be unqualified, and the steel slag needs to be hot-melted and extruded again.
In this embodiment, in S7, before the 425 cement is put into the concrete mixer, the 425 cement may be added with the admixture containing the coal ash, the granulated blast furnace slag, and the pozzolan, thereby enhancing the stability of the concrete.
In this example, in S7, the ratio of natural pebbles to 425 cement to steel slag was 3:5:3, water was intermittently supplied, and a stabilizer and a cosolvent were added when the mixture was poured into concrete.
After the steel slag is dried, the steel slag can be put into an electric furnace for heating and smelting, so that the steel slag is in a high-temperature state until iron contained in the steel slag is melted, and after the iron in the steel slag is melted, at the moment, liquid iron is filtered by utilizing a filtering device, so that the iron contained in the steel slag can be removed, the stability of the concrete can be ensured when the concrete is manufactured at the later stage, after the iron is removed, the steel slag powder is continuously heated, when the steel slag powder is heated to be in a molten state, the steel slag can be moved out and put into an extruder to be extruded into a long strip shape with uniform length and thickness, after the extrusion is finished, the long strip-shaped steel slag is put into a granulator to be granulated, particles with uniform size are obtained, the steel slag with uniform size can be prepared, the iron is not contained in the steel slag, after the steel slag is granulated, the particles can be put into the concrete mixer, then natural stones, cement 425 and a water material are put into the concrete mixer, the mixer is started to stir the concrete to prepare a finished product, and before 425 cement is put into the concrete mixer, the 425 cement can be added with the additive, and the additive contains coal ash, granulated blast furnace slag and volcanic ash, so that the stability of the concrete can be enhanced, and the cement has good practicability.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The method for preparing the recycled concrete for the road by using the industrial waste residues is characterized by comprising the following steps of:
s1: putting the steel slag collected after steel making into a cleaning pool, elutriating the steel slag, and removing dust attached to the steel slag;
s2: filtering the cleaned steel slag through a filtering device, and then putting the steel slag into a drying box for rapid drying;
s3: putting the dried steel slag into a grinder, and grinding to obtain steel slag powder;
s4: after the steel slag is dried, the steel slag can be put into an electric furnace for heating and smelting, so that the steel slag is in a high-temperature state until iron contained in the steel slag is melted;
s5: after the iron in the steel slag is melted, filtering the liquid iron by using filtering equipment, and continuously heating the steel slag powder;
s6: when the steel slag powder is heated to a molten state, the steel slag can be moved out and placed into an extruder to be extruded into long strips with uniform length and thickness, and after the extrusion is finished, the long strips of steel slag are placed into a granulator to realize granulation so as to obtain particles with uniform size;
s7: after the steel slag is granulated, the particles can be put into a concrete mixer at the moment, then natural stones, 425 cement and water materials are put into the concrete mixer, and the mixer is started to mix the materials to obtain a concrete finished product.
2. The method of claim 1, wherein in step S1, after the steel slag is poured into the washing tank, clear water is then poured into the washing tank, and activated carbon is added into the clear water, so as to rapidly suck out the dust attached to the steel slag, and the steel slag is stirred by the stirrer, so that the activated carbon can be rapidly and uniformly diffused in the washing tank, the steel slag can be prevented from being stacked in the washing tank, and the dust on the activated carbon can be rapidly and intensively removed.
3. The method for preparing recycled concrete for roads from industrial waste residues as claimed in claim 1, wherein in S2, the drying box is a plate-type electric heating drying box, and a rotary vibration sieve is arranged in the drying box, so that the steel slag can be conveniently vibrated in the drying box, the steel slag is prevented from being accumulated, the drying efficiency is increased, and the drying time is shortened.
4. The method of recycling concrete for roads using industrial slag according to claim 1, wherein in S4, the melting point of iron is 1535 ℃, so that when the initial set temperature of the electric furnace is 1550 ℃, the iron contained in the steel slag is melted to form molten iron, and then the steel slag is removed and the molten iron is poured out, and then the iron contained in the steel slag is removed.
5. The method of claim 1, wherein in the step S5, the melting point of the steel slag is 1500-1700 ℃, the steel slag can be poured into the electric furnace again after the molten iron is poured out, and the temperature of the electric furnace is 1750 ℃, so that the steel slag can be melted.
6. The method of claim 1, wherein in step S6, a heater is installed in the extruder, the heater is set to an initial temperature of 1700 ℃, then the molten steel slag is fed into the extruder, and then the heater is set to a temperature of 1400 ℃, so that the steel slag is in a viscous state, and then the steel slag can be extruded and molded, when the extruded steel slag is cut into long strips, the size of the particles set to 10-20mm is acceptable, after the particles are cut, the steel slag is screened by a vibrating screen, and the steel slag is too large in size to pass through the vibrating screen, and is determined to be unacceptable, and needs to be hot-melted and extruded again.
7. The method for recycling concrete for road use made of industrial residue according to claim 1, wherein in S7, before cement 425 is put into the concrete mixer, a blending material is added to the cement 425, wherein the blending material contains coal ash, granulated blast furnace slag and pozzolan, thereby enhancing the stability of the concrete.
8. The method for recycling concrete for roads using industrial residue according to claim 1, wherein in S7, the ratio of natural pebbles, 425 cement and steel slag is 3:5:3, water is intermittently supplied, and a stabilizer and a cosolvent are mixed when the water is added to the concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110527285.4A CN113213838A (en) | 2021-05-14 | 2021-05-14 | Method for preparing recycled concrete for roads by using industrial waste residues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110527285.4A CN113213838A (en) | 2021-05-14 | 2021-05-14 | Method for preparing recycled concrete for roads by using industrial waste residues |
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| Publication Number | Publication Date |
|---|---|
| CN113213838A true CN113213838A (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110527285.4A Pending CN113213838A (en) | 2021-05-14 | 2021-05-14 | Method for preparing recycled concrete for roads by using industrial waste residues |
Country Status (1)
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| CN (1) | CN113213838A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124404A (en) * | 1976-06-23 | 1978-11-07 | Nippon Kokan Kabushiki Kaisha | Steel slag cement and method for manufacturing same |
| CN103789467A (en) * | 2014-02-19 | 2014-05-14 | 中冶建筑研究总院有限公司 | Method for carrying out remelting, reduction and modification treatment on massive steel slag |
| CN211947098U (en) * | 2019-12-18 | 2020-11-17 | 毛绘博 | Comprehensive treatment device for metallurgical dust and steel slag |
| CN112044913A (en) * | 2019-06-05 | 2020-12-08 | 杨建强 | Recycling treatment device and method for industrial waste residues |
-
2021
- 2021-05-14 CN CN202110527285.4A patent/CN113213838A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124404A (en) * | 1976-06-23 | 1978-11-07 | Nippon Kokan Kabushiki Kaisha | Steel slag cement and method for manufacturing same |
| CN103789467A (en) * | 2014-02-19 | 2014-05-14 | 中冶建筑研究总院有限公司 | Method for carrying out remelting, reduction and modification treatment on massive steel slag |
| CN112044913A (en) * | 2019-06-05 | 2020-12-08 | 杨建强 | Recycling treatment device and method for industrial waste residues |
| CN211947098U (en) * | 2019-12-18 | 2020-11-17 | 毛绘博 | Comprehensive treatment device for metallurgical dust and steel slag |
Non-Patent Citations (1)
| Title |
|---|
| 朱桂林等: "钢铁渣"零排放"与节能减排", 《中国钢铁业》 * |
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Application publication date: 20210806 |