CN114107581A - Steel slag recycling device and method - Google Patents
Steel slag recycling device and method Download PDFInfo
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- CN114107581A CN114107581A CN202111363683.3A CN202111363683A CN114107581A CN 114107581 A CN114107581 A CN 114107581A CN 202111363683 A CN202111363683 A CN 202111363683A CN 114107581 A CN114107581 A CN 114107581A
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- Prior art keywords
- steel slag
- fan
- cooling
- slag
- dust collector
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- 239000002893 slag Substances 0.000 title claims abstract description 76
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 65
- 239000010959 steel Substances 0.000 title claims abstract description 65
- 238000004064 recycling Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 48
- 239000000428 dust Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims description 4
- 238000009628 steelmaking Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000004568 cement Substances 0.000 abstract description 4
- 238000010791 quenching Methods 0.000 abstract description 2
- 230000000171 quenching effect Effects 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 abstract 1
- 239000002918 waste heat Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 235000012241 calcium silicate Nutrition 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
- 229910052799 carbon Inorganic materials 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
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910021534 tricalcium silicate Inorganic materials 0.000 description 1
- 235000019976 tricalcium silicate Nutrition 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/142—Steelmaking slags, converter slags
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/026—Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/08—Treatment of slags originating from iron or steel processes with energy recovery
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Food Science & Technology (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention discloses a steel slag recycling device and a method, wherein the device comprises: the device comprises cooling equipment, a cyclone cylinder, a vertical mill, a dust collector, a chimney, a first fan, a second fan and a third fan; the cooling equipment is sequentially connected with the cyclone cylinder, the second fan, the vertical mill, the dust collector, the third fan and the chimney; the first fan is provided with a plurality of and all is connected with the cooling equipment. The cooling equipment is adopted to forcibly cool the high-temperature steel slag discharged from the steel mill, the cooled steel slag is dried by hot air to grind materials, and steel slag quenching can improve the grindability and activity of the steel slag, improve the activity of the steel slag, reduce the consumption of cement clinker, save the cost, improve the recycling efficiency of the steel slag, solve the problem of steel slag disposal and reduce the cooling water consumption of enterprises.
Description
Technical Field
The invention relates to the technical field of steel slag treatment, in particular to a method for recycling steel slag.
Background
The steel slag is waste slag in a steel making process, the main components of the steel slag are ferric oxide, calcium oxide, magnesium oxide, silicon oxide and manganese oxide, the main mineral components are tricalcium silicate, dicalcium silicate and the like, the waste cement clinker is called, the steel slag is in a liquid state when being discharged from an electric furnace, the temperature is up to 1200 ℃, watering cooling and natural cooling are adopted at present, a large amount of waste heat is wasted, meanwhile, the activity of the steel slag is reduced due to natural cooling of the steel slag, the grindability is poor, the utilization rate of the domestic steel slag is only 20 percent at present, the steel slag cannot be timely treated, a large amount of land resources are occupied, the environment is polluted, the steel slag is a resource which is misplaced, and the comprehensive utilization of the steel slag has important significance for enterprises and society.
Therefore, it is an urgent need to solve the technical problem of the art to provide a steel slag recycling device and method that will not generate secondary pollution, have good steel slag cooling effect, and can improve the utilization rate of steel slag.
Disclosure of Invention
In view of this, the invention provides a steel slag recycling device and method capable of improving steel slag activity, improving steel slag grindability and further improving steel slag utilization rate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a steel slag recycling device comprises: the device comprises cooling equipment, a cyclone cylinder, a vertical mill, a dust collector, a chimney, a first fan, a second fan and a third fan;
the cooling equipment is sequentially connected with the cyclone cylinder, the second fan, the vertical mill, the dust collector, the third fan and the chimney;
the first fan is provided with a plurality of, and all with cooling arrangement connects.
Preferably, the steel slag recycling device comprises a first conveying device and a second conveying device;
the first conveying device is respectively connected with the cooling equipment and the cyclone cylinder;
and the second conveying device is connected with the dust collector.
Preferably, the cooling apparatus includes: grate coolers, single-cylinder coolers or ring coolers.
Another object of the present invention is to provide a steel slag recycling method using the above steel slag recycling apparatus, comprising the steps of:
(1) conveying high-temperature steel slag generated in the steelmaking furnace to crushing equipment through a slag tanker, and crushing and extruding to obtain slag;
(2) the slag is sent to a cooling device, the cooling device blows air to cool the slag, and cooled steel slag generated by cooling of the cooling device enters a first conveying device through a discharge hole of the cooling device and is sent to a storage yard for storage;
(3) the dusty gas generated in the cooling equipment enters a cyclone for further treatment, light components generated in the cyclone are pumped into a vertical mill through a second fan, and the heavy components fall into a first conveying device below and are conveyed to a storage yard for storage;
(4) and (3) drying the light components in the vertical mill, then sending the light components into a dust collector for further treatment, discharging clean air treated by the dust collector from a chimney, and sending the finished product materials into a finished product bin for storage through a second conveying device.
Preferably, the method also comprises the step of pumping hot air (300-.
Preferably, the hot air generated by the cooling device can be used for waste heat power generation.
Preferably, the temperature of the high-temperature steel slag in the step (1) is 600-.
Through the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the cooling equipment is adopted to forcibly cool the high-temperature steel slag discharged from the steel mill, the cooled steel slag is dried by hot air to grind materials, and the quenching of the steel slag can improve the grindability and activity of the steel slag, improve the activity of the steel slag, reduce the consumption of cement clinker, save the cost, improve the recycling efficiency of the steel slag, solve the problem of steel slag disposal, reduce the water consumption for cooling enterprises, and simultaneously, the heat energy generated by cooling the steel slag can be used for waste heat power generation and the like, thereby further improving the economic benefit.
The hot air generated by cooling the steel slag is utilized to dry the vertical mill material, the natural gas is saved by 736 ten thousand meters every year3Saving cost 1503 ten thousand yuan per year and saving water consumption for cooling 1200 ten thousand m3The annual cost is saved by 240 ten thousand yuan, the grindability of the steel slag is improved, and a vertical mill and a roller are improvedThe press is worn, the annual maintenance cost is saved by 100 ten thousand yuan, the activity of the steel slag is improved, the mixing amount of the steel slag powder is improved, the consumption of cement clinker is reduced, the carbon emission is reduced, and the environment-friendly and social benefits are good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a steel slag recycling device according to the present invention;
wherein, 1-a cooling device; 2-a cyclone cylinder; 3-a second fan; 4-vertical grinding; 5-a dust collector; 6-a third fan; 7-a chimney; 8-a first fan; 9-a first conveying device; 10-a second conveying device.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A steel slag recycling device comprises cooling equipment 1, a cyclone cylinder 2, a second fan 3, a vertical mill 4, a dust collector 5, a chimney 6, a first fan 7, a first fan 8, a first conveying device 9 and a second conveying device 10;
the cooling device 1 is sequentially connected with the cyclone cylinder 2, the second fan 3, the vertical mill 4, the dust collector 5, the third fan 6 and the chimney 7;
the first fan 8 is provided with a plurality of and all is connected with the cooling device 1.
The first conveying device 9 is respectively connected with the cooling device 1 and the cyclone 2;
the second conveying device 10 is connected to the dust collector 5.
Example 2
A method for recycling steel slag comprises the following steps:
(1) conveying high-temperature steel slag generated in the steelmaking furnace to crushing equipment through a slag tanker, and crushing and extruding to obtain slag;
(2) the slag is sent to a cooling device, the cooling device blows air to cool the slag, and cooled steel slag generated by cooling of the cooling device enters a conveying device through a discharge hole of the cooling device and is sent to a storage yard to be stored;
(3) the dusty gas generated in the cooling equipment enters a cyclone for further treatment, light components generated in the cyclone are pumped into a vertical mill through a second fan, and the heavy components fall into a conveying device below and are conveyed to a storage yard for storage;
(4) and (3) drying the light components in the vertical mill, then sending the light components into a dust collector for further treatment, discharging clean air treated by the dust collector from a chimney, and sending finished product materials into a finished product bin for storage through a lifting device.
In order to further optimize the technical scheme, hot air (300-.
In order to further optimize the technical scheme, the temperature of the high-temperature steel slag in the step (1) is 600-1200 ℃.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A steel slag recycling device is characterized by comprising: the device comprises cooling equipment, a cyclone cylinder, a vertical mill, a dust collector, a chimney, a first fan, a second fan and a third fan;
the cooling equipment is sequentially connected with the cyclone cylinder, the second fan, the vertical mill, the dust collector, the third fan and the chimney;
the first fan is provided with a plurality of, and all with cooling arrangement connects.
2. The steel slag recycling device according to claim 1, further comprising: a first conveyor and a second conveyor;
the first conveying device is respectively connected with the cooling equipment and the cyclone cylinder;
and the second conveying device is connected with the dust collector.
3. The steel slag recycling device according to claim 2, wherein the cooling apparatus comprises: grate coolers, single-cylinder coolers or ring coolers.
4. A steel slag recycling method using the steel slag recycling device of claim 3, comprising the steps of:
(1) conveying high-temperature steel slag generated in the steelmaking furnace to crushing equipment through a slag tanker, and crushing and extruding to obtain slag;
(2) the slag is sent to a cooling device, the cooling device blows air to cool the slag, and cooled steel slag generated by cooling of the cooling device enters a first conveying device through a discharge hole of the cooling device and is sent to a storage yard for storage;
(3) the dusty gas generated in the cooling equipment enters a cyclone for further treatment, light components generated in the cyclone are pumped into a vertical mill through a second fan, and the heavy components fall into a first conveying device below and are conveyed to a storage yard for storage;
(4) and (3) drying the light components in the vertical mill, then sending the light components into a dust collector for further treatment, discharging clean air treated by the dust collector from a chimney, and sending the finished product materials into a finished product bin for storage through a second conveying device.
5. The recycling method of steel slag according to claim 4, further comprising the step of sucking hot air generated by the cooling device into the vertical mill through the second fan and the third fan for drying the materials.
6. The recycling method of steel slag as claimed in claim 4, wherein the temperature of the high temperature steel slag in step (1) is 600-1200 ℃.
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CN202111363683.3A CN114107581A (en) | 2021-11-17 | 2021-11-17 | Steel slag recycling device and method |
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CN202111363683.3A CN114107581A (en) | 2021-11-17 | 2021-11-17 | Steel slag recycling device and method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116716443A (en) * | 2023-08-11 | 2023-09-08 | 包钢集团节能环保科技产业有限责任公司 | Method for comprehensively utilizing thermal-state steel slag and comprehensive separation system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE717894A (en) * | 1967-07-10 | 1969-01-10 | ||
CN102179272A (en) * | 2011-01-07 | 2011-09-14 | 重庆京庆重型机械有限公司 | Final grinding system of rolling machine in steel slag and mineral slag micropowder production line |
CN208517288U (en) * | 2018-05-03 | 2019-02-19 | 湖北俊天电建工程有限公司 | The processing unit of building brick raw material steel slag |
CN111850193A (en) * | 2020-08-04 | 2020-10-30 | 中冶节能环保有限责任公司 | Online quenching and tempering device and method for slag discharging and cooling process of molten steel slag |
CN111998667A (en) * | 2020-07-16 | 2020-11-27 | 安徽上峰杰夏环保科技有限责任公司 | Bypass air discharging system for cement kiln co-processing |
CN112934378A (en) * | 2021-01-28 | 2021-06-11 | 天津水泥工业设计研究院有限公司 | Preparation system for producing building material products by gradient utilization of hot stuffy steel slag |
-
2021
- 2021-11-17 CN CN202111363683.3A patent/CN114107581A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE717894A (en) * | 1967-07-10 | 1969-01-10 | ||
CN102179272A (en) * | 2011-01-07 | 2011-09-14 | 重庆京庆重型机械有限公司 | Final grinding system of rolling machine in steel slag and mineral slag micropowder production line |
CN208517288U (en) * | 2018-05-03 | 2019-02-19 | 湖北俊天电建工程有限公司 | The processing unit of building brick raw material steel slag |
CN111998667A (en) * | 2020-07-16 | 2020-11-27 | 安徽上峰杰夏环保科技有限责任公司 | Bypass air discharging system for cement kiln co-processing |
CN111850193A (en) * | 2020-08-04 | 2020-10-30 | 中冶节能环保有限责任公司 | Online quenching and tempering device and method for slag discharging and cooling process of molten steel slag |
CN112934378A (en) * | 2021-01-28 | 2021-06-11 | 天津水泥工业设计研究院有限公司 | Preparation system for producing building material products by gradient utilization of hot stuffy steel slag |
Non-Patent Citations (2)
Title |
---|
周长波等, 中国环境出版集团 * |
范冠海等编著: "《工业节能指南》", 30 April 1988, 机械工业出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116716443A (en) * | 2023-08-11 | 2023-09-08 | 包钢集团节能环保科技产业有限责任公司 | Method for comprehensively utilizing thermal-state steel slag and comprehensive separation system |
CN116716443B (en) * | 2023-08-11 | 2023-10-20 | 包钢集团节能环保科技产业有限责任公司 | Method for comprehensively utilizing thermal-state steel slag and comprehensive separation system |
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Application publication date: 20220301 |