CN114130802B - Steel slag treatment system and steel slag treatment process - Google Patents
Steel slag treatment system and steel slag treatment process Download PDFInfo
- Publication number
- CN114130802B CN114130802B CN202111352055.5A CN202111352055A CN114130802B CN 114130802 B CN114130802 B CN 114130802B CN 202111352055 A CN202111352055 A CN 202111352055A CN 114130802 B CN114130802 B CN 114130802B
- Authority
- CN
- China
- Prior art keywords
- slag
- steel slag
- flue gas
- water
- pool
- 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.)
- Active
Links
- 239000002893 slag Substances 0.000 title claims abstract description 202
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 115
- 239000010959 steel Substances 0.000 title claims abstract description 115
- 238000011282 treatment Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000003546 flue gas Substances 0.000 claims abstract description 52
- 238000011084 recovery Methods 0.000 claims abstract description 36
- 230000029087 digestion Effects 0.000 claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000009835 boiling Methods 0.000 claims abstract description 5
- 238000010025 steaming Methods 0.000 claims abstract description 5
- 239000002918 waste heat Substances 0.000 claims description 28
- 239000000779 smoke Substances 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- -1 and meanwhile Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The application relates to a steel slag treatment system and a steel slag treatment process, which comprise a slag stewing pool, a slag stewing pool and a slag digestion pool, wherein the slag stewing pool is used for containing hot steel slag and digesting f-CaO and f-MgO in the steel slag to generate Ca (OH) 2 and Mg (OH) 2; the water supply and drainage assembly is used for injecting water into the slag disintegrating pool from the bottom of the slag disintegrating pool, so that the steel slag in the slag disintegrating pool is subjected to digestion reaction in a steaming and high-temperature water boiling state, and the water in the slag disintegrating pool is discharged after the digestion reaction is finished; the flue gas collecting system is used for collecting flue gas generated in the steel slag digestion reaction process and discharging the flue gas after dust removal, and the flue gas collecting system has the effects of optimizing the steel slag treatment site environment and improving the metal recovery rate of the steel slag.
Description
Technical Field
The application relates to the technical field of steel slag treatment, in particular to a steel slag treatment system and a steel slag treatment process.
Background
The steel slag is a byproduct generated in the steel-making process, mainly is solid waste generated by extracting impurity substances by lime in the steel-making process, and has large discharge amount and low utilization rate in the steel-making process; but the processed steel slag can be reused in the steel-making or sintering process and can be used as a roadbed or a building raw material, so that a steel slag processing system and a steel slag processing process are very important.
The existing steel slag treatment mostly adopts a slag line hot splashing method, namely, the steel slag is tipped over and then cooled for 3 to 4 days, most of the steel slag is automatically decomposed and crushed at the moment, and then the steel slag is subjected to subsequent treatments such as crushing, magnetic separation and the like. The method has the disadvantages of serious environmental pollution, insufficient slag iron separation and low iron material recovery rate. The f-CaO and the f-MgO in the steel slag have incomplete digestion reaction and can not be used as roadbed or building raw materials. The traditional slag disintegrating pool can not carry out effective smoke collection, the dust removal effect can not reach the emission standard, and no effective means is provided for recycling the heat of the steel slag. In addition, combustible gas is easy to gather and the explosion tendency is serious because of water injection and spraying on the upper part of the steel slag.
In view of the above-mentioned related art, the inventors consider that there are disadvantages of the harsh environment of the steel slag treatment site and the low metal recovery rate.
Disclosure of Invention
In order to overcome the defects of severe environment and low metal recovery rate of a steel slag treatment site, the application provides a steel slag treatment system and a steel slag treatment process.
In a first aspect, the present application provides a steel slag treatment system, which adopts the following technical scheme, including:
a slag smoldering pool for holding the thermal steel slag (not less than 300 ℃) and digesting f-CaO and f-MgO in the steel slag to generate Ca (OH) 2 and Mg (OH) 2;
the water supply and drainage assembly is used for injecting water into the slag disintegrating pool from the bottom of the slag disintegrating pool, so that the steel slag in the slag disintegrating pool is subjected to digestion reaction in a steaming and high-temperature water boiling state, and the water in the slag disintegrating pool is discharged after the digestion reaction is finished;
and the flue gas collecting system is used for collecting flue gas generated in the steel slag digestion reaction process, and discharging the flue gas after reaching the standard or utilizing waste heat after dedusting.
By adopting the technical scheme, when the steel slag is treated, the slag disintegrating pool is arranged for containing the thermal steel slag, when the steel slag is completely filled, the water supply and drainage assembly is started, the water supply and drainage assembly adds water into the slag disintegrating pool, the thermal steel slag reacts with the water to generate high-temperature steam and combustible gas, and when the water injection is over the steel slag, the thermal steel slag is boiled in the slag disintegrating pool to generate digestion reaction; meanwhile, the generated combustible gas is combusted under the action of the high-temperature steel slag to generate heat; meanwhile, the flue gas collecting system collects the generated hot gas and smoke dust, removes dust and discharges the dust after reaching the standard; the steel slag after digestion reaction improves the metal recovery rate of the steel slag, the smoke collection system can reduce the emission of smoke dust, and meanwhile, water is injected from the bottom of the slag disintegrating pool, so that the explosion condition caused by the aggregation of combustible gas is avoided, the metal recovery rate of the steel slag is improved, and the problem of severe field environment treatment of the steel slag is optimized.
Preferably, the water supply and drainage assembly is communicated with a filtering assembly for filtering the discharged water in the slag disintegrating pool.
Through adopting above-mentioned technical scheme, supply drainage subassembly exhaust water to collect after the filtering component filters, the water after collecting circulates to the vexed slag bath through supplying drainage subassembly once more, has realized the cyclic utilization of water resource, has reached energy-conserving effect.
Preferably, the flue gas collection system comprises:
the top part of the smoke collecting cover is opened for charging, smashing and discharging slag;
and the dust removal system is communicated with the smoke collection cover and is used for filtering impurities in the smoke and further obtaining purified clean smoke reaching the standard.
Through adopting above-mentioned technical scheme, the flue gas that the top part was opened is collected the cover and can be realized collecting the flue gas in the vexed slag bath when dress sediment, smash the sediment and slag tap, and the flue gas is collected the cover and is used with the dust pelletizing system cooperation simultaneously and has realized filtering the impurity in the flue gas, and then discharges clean gas up to standard, has reached the effect of optimizing slag treatment site environment.
Preferably, the flue gas collecting cover is communicated with a waste heat recovery system;
and the waste heat recovery system is used for recovering heat generated by combustion of combustible gas generated by steel slag digestion reaction under the action of high-temperature steel slag and generating pure saturated steam for power generation.
Through adopting above-mentioned technical scheme, waste heat recovery system's setting realizes carrying out the heat exchange with the heat in the flue gas and water, and the steam that produces drives steam generator and generates electricity, and then has realized the utilization of hot slag heat energy, and then has reached the effect that improves the slag utilization ratio.
Preferably, the waste heat recovery system, the water supply and drainage assembly and the dust removal system are communicated with a communication line; the communication line is used for transmitting electric power.
By adopting the technical scheme, the electric power generated by the waste heat recovery system is transmitted to the water supply and drainage assembly and the dust removal system, so that the use of the energy of the thermal-state steel slag is realized, and the effect of reducing the consumption of electric energy is achieved.
In a second aspect, the present application provides a steel slag treatment process, which adopts the following technical scheme:
the steel slag treatment process comprises the following steps: s1, charging slag, namely pouring the thermal steel slag into a slag disintegrating pool, and simultaneously carrying out slag smashing treatment on the steel slag;
s2, supplying and draining water, namely supplying water into the slag disintegrating pool, and draining the water in the slag disintegrating pool after the slag is digested;
and S3, collecting the flue gas, wherein the flue gas collecting system collects the heat generated by combustion of combustible gas generated by digestion reaction under the action of the high-temperature steel slag, and purifies the flue gas.
By adopting the technical scheme, the hot-state steel slag is poured into the slag disintegrating pool and simultaneously is subjected to slag smashing treatment, so that the molten-state steel slag in the hot-state steel slag can be conveniently cooled, meanwhile, the smoke collecting system can collect, purify and discharge smoke generated by slag discharging and slag smashing, when the slag discharging is finished, the water is injected into the slag disintegrating pool by the water supply and drainage assembly, after the digestion reaction of the hot-state steel slag is finished, the water in the slag disintegrating pool is discharged by the water supply and drainage assembly, and when the digestion reaction and slag discharging are carried out, the smoke collecting system collects high-temperature smoke and removes dust and discharges the smoke after reaching the standard; thereby achieving the effect of optimizing the site environment for treating the steel slag.
Preferably, in step S3, the flue gas collection system is communicated with the waste heat recovery system, and is used for converting heat in the flue gas into steam energy and converting the steam energy into electric energy.
By adopting the technical scheme, the arrangement of the waste heat recovery system can realize that the high-temperature flue gas collected by the flue gas collection system is converted into water vapor, and the water vapor drives the steam generator to generate electricity; thereby improving the utilization rate of the thermal steel slag.
Preferably, the communication line transmits the electric power generated by the waste heat recovery system to the water supply and drainage assembly and the dust removal system.
Through adopting above-mentioned technical scheme, the electric energy that waste heat recovery system produced directly transmits to water supply and drainage subassembly and dust pelletizing system for it provides the electric energy, has reduced the consumption of the energy of electric energy.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the slag disintegrating pool is matched with the water supply and drainage assembly for use, so that the metal recovery rate of the steel slag is improved, and the condition that combustible gas is accumulated and exploded is avoided;
2. the smoke collection system and the waste heat recovery system are used in a matched mode, so that the environment of a steel slag treatment site is optimized, and meanwhile, the waste heat recovery system improves the utilization rate of thermal-state steel slag;
3. the filtering assembly is arranged, so that the effect that the water supplied and drained by the water supply and drainage assembly is filtered by the water discharged from the slag disintegrating pool is realized, the water is convenient to reuse, and the effect of saving resources is achieved.
Drawings
Fig. 1 is an overall schematic diagram of an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses a steel slag processing system.
Referring to fig. 1, the steel slag treatment system comprises a slag disintegrating pool, a water supply and drainage assembly, a flue gas collection system and a waste heat recovery system; the slag disintegrating pool is used for containing the thermal-state steel slag, wherein the temperature of the thermal-state steel slag is more than or equal to three hundred ℃ (more than or equal to 300 ℃), and the slag disintegrating pool is used for digesting f-CaO and f-MgO in the steel slag to generate Ca (OH) 2 and Mg (OH) 2; the water supply and drainage assembly is used for injecting water into the slag disintegrating pool from the bottom of the slag disintegrating pool, so that the steel slag in the slag disintegrating pool is subjected to digestion reaction in steaming and high-temperature water boiling states, and the water in the slag disintegrating pool is discharged after digestion is finished; the water supply and drainage assembly is connected with a filtering assembly used for filtering water discharged from the slag disintegrating pool; the flue gas collecting system is used for collecting flue gas generated by steel slag digestion reaction and removing dust, and the flue gas is discharged or the waste heat is utilized after reaching the standard; the waste heat recovery system is used for recovering heat generated by combustion of combustible gas generated by steel slag digestion reaction under the action of high-temperature steel slag and generating pure saturated steam for power generation.
During the steel slag treatment process, steel slag is placed in a slag disintegrating pool, during the placement process, slag smashing treatment is carried out on thermal steel slag, meanwhile, smoke dust is collected by a smoke collection system, when the thermal steel slag is completely filled, a water supply and drainage assembly injects water into the slag disintegrating pool from the bottom of the slag disintegrating pool, water is in contact with the thermal steel slag during the water injection process to generate steam, the steel slag is in a steaming state at the moment, when the water is over the steel slag, water boiling reaction of the steel slag occurs in the slag pool, further the digestion reaction of the steel slag is completed, combustible gas generated during the digestion reaction of the steel slag is combusted under the action of the thermal steel slag to generate heat, and the generated heat is recycled by a waste heat recovery system to be used for power generation; the slag disintegrating pool and the water supply and drainage assembly are matched for use, so that the metal recovery rate of the steel slag is improved, and the condition that combustible gas generated by the steel slag is gathered and exploded is eliminated; the smoke dust collecting system and the waste heat recovery system are matched for use, so that the environment of a steel slag treatment site is optimized, the utilization rate of the steel slag is improved, and the energy consumption is reduced.
Referring to fig. 1, the flue gas collection system comprises a flue gas collection cover and a dust removal system, wherein the top part of the flue gas collection cover is opened for workers to fill slag into the slag disintegrating pool, smash slag in the slag filling process and discharge slag after digestion reaction of steel slag; meanwhile, the heat recovery system is used for transferring the heat in the flue gas to the waste heat recovery system; the dust pelletizing system collects the cover intercommunication with the flue gas for impurity in the smoke and dust filters, and then obtains the clean flue gas of high temperature after the purification, collects in-process dust pelletizing system in the flue gas and is arranged in filtering the impurity in the flue gas, and then realizes that the flue gas is up to standard to discharge.
Referring to fig. 1, communication lines are communicated between the waste heat recovery system and the water supply and drainage assembly and the dust removal system, and the communication lines are used for transmitting electric power; the electric energy generated by the waste heat recovery assembly is transmitted to the water supply and drainage assembly through the communication line to supply power to the water supply pump and the drainage pump, and is transmitted to the dust removal system to supply power to the dust removal motor, and the communication line improves the utilization rate of the steel slag and reduces the energy consumption.
The implementation principle of the steel slag processing system in the embodiment of the application is as follows: placing the steel slag in a slag disintegrating pool, collecting and filtering the smoke gas by a smoke gas collecting system in the placing process, and simultaneously carrying out slag smashing treatment on the thermal steel slag placed in the slag disintegrating pool; when the slag filling is finished, the water supply and drainage assembly injects water into the slag disintegrating pool, at the moment, the steel slag is subjected to digestion reaction, meanwhile, the flue gas collection system purifies the collected smoke dust through the dust removal system to obtain high-temperature clean flue gas, and the waste heat recovery assembly is used for converting heat in the high-temperature flue gas into electric energy; thereby achieving the effects of optimizing the steel slag treatment site environment, improving the steel slag metal recovery rate, improving the safety of the steel slag treatment process and reducing the energy consumption.
The embodiment of the application also discloses a steel slag treatment process.
The method comprises the following steps:
s1, charging slag, namely pouring the thermal steel slag into a slag disintegrating pool, and simultaneously carrying out slag smashing treatment on the steel slag;
s2, supplying and draining water, namely supplying water into the slag disintegrating pool, and draining the water in the slag disintegrating pool after the slag is subjected to digestion reaction;
s3, collecting flue gas, wherein the flue gas collecting system collects heat generated by combustion of combustible gas generated by digestion reaction under the action of high-temperature steel slag, and purifies the flue gas; the flue gas collection system is communicated with the waste heat recovery system and used for converting heat in the flue gas into steam energy and converting the steam energy into electric energy.
The communication line transmits the electric power generated by the waste heat recovery system to the water supply and drainage assembly and the dust removal system.
The embodiments of the present invention are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. A steel slag treatment system, comprising:
the slag disintegrating pool is used for containing the thermal-state steel slag and digesting f-CaO and f-MgO in the steel slag to generate Ca (OH) 2 and Mg (OH) 2;
the water supply and drainage assembly is used for injecting water into the slag disintegrating pool from the bottom of the slag disintegrating pool, so that the steel slag in the slag disintegrating pool is subjected to digestion reaction in a steaming and high-temperature water boiling state, and the water in the slag disintegrating pool is discharged after the digestion reaction is finished;
the flue gas collecting system is used for collecting flue gas generated in the steel slag digestion reaction process; the flue gas collection system includes:
the top part of the smoke collecting cover is opened for charging, smashing and discharging slag;
the dust removal system is communicated with the smoke collection cover and is used for filtering impurities in the smoke dust so as to obtain purified clean smoke reaching the standard; the flue gas collecting cover is communicated with a waste heat recovery system;
the waste heat recovery system is used for recovering heat generated by combustion of combustible gas generated by steel slag digestion reaction under the action of high-temperature steel slag and generating pure saturated steam for power generation; the waste heat recovery system, the water supply and drainage component and the dust removal system are communicated with a communication line; the communication line is used for transmitting electric power.
2. The steel slag processing system according to claim 1, wherein: and the water supply and drainage assembly is communicated with a filtering assembly used for filtering the discharged water in the slag disintegrating pool.
3. The steel slag treatment process of the steel slag treatment system according to any one of claims 1 to 2, comprising the steps of;
s1, charging slag, namely pouring the thermal steel slag into a slag disintegrating pool, and simultaneously carrying out slag smashing treatment on the steel slag;
s2, supplying and draining water, namely supplying water into the slag disintegrating pool, and draining the water in the slag disintegrating pool after the slag is subjected to digestion reaction;
and S3, collecting the flue gas, wherein the flue gas collecting system collects the heat generated by combustion of combustible gas generated by digestion reaction under the action of the high-temperature steel slag, and purifies the flue gas.
4. The steel slag treatment process according to claim 3, characterized in that: in step S3, the flue gas collection system is communicated with the waste heat recovery system for converting heat in the flue gas into steam energy and converting the steam energy into electric energy.
5. The steel slag treatment process according to claim 4, characterized in that: the communication line transmits the electric power generated by the waste heat recovery system to the water supply and drainage assembly and the dust removal system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111352055.5A CN114130802B (en) | 2021-11-16 | 2021-11-16 | Steel slag treatment system and steel slag treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111352055.5A CN114130802B (en) | 2021-11-16 | 2021-11-16 | Steel slag treatment system and steel slag treatment process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114130802A CN114130802A (en) | 2022-03-04 |
| CN114130802B true CN114130802B (en) | 2022-10-14 |
Family
ID=80394350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111352055.5A Active CN114130802B (en) | 2021-11-16 | 2021-11-16 | Steel slag treatment system and steel slag treatment process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114130802B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60231444A (en) * | 1984-04-28 | 1985-11-18 | 日本磁力選鉱株式会社 | Use of highly basic steel slag |
| JPH05117736A (en) * | 1991-10-28 | 1993-05-14 | Hamada Juko Kk | Method and equipment for treating steel slag |
| JP2000334418A (en) * | 1999-06-01 | 2000-12-05 | Kawasaki Steel Corp | Method for solidifying steel making slag |
| CN202017029U (en) * | 2011-03-21 | 2011-10-26 | 鞍山钢铁集团公司 | Short-flow stuffy slag water returning device |
| CN103667554A (en) * | 2013-12-26 | 2014-03-26 | 北京中冶设备研究设计总院有限公司 | Device and method for recycling and treating waste heat of high-temperature steel slag |
| CN103667555A (en) * | 2013-12-26 | 2014-03-26 | 北京中冶设备研究设计总院有限公司 | Well type slag ladle device for recycling waste heat of high-temperature steel slag |
| CN106119448A (en) * | 2016-05-09 | 2016-11-16 | 浙江哈斯科节能技术有限公司 | A kind of method that hot steel slag quickly cools down |
| CN111378796A (en) * | 2018-12-30 | 2020-07-07 | 孙学贤 | Converter steel slag waste heat utilization equipment system and process principle |
| CN111925143A (en) * | 2020-08-07 | 2020-11-13 | 中冶节能环保有限责任公司 | Large-diameter vertical steel slag pressure hot stuffy tank and steel slag treatment method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105524635B (en) * | 2016-01-19 | 2018-04-10 | 青岛理工大学 | Synchronous technology for recycling plastics and harmlessly treating chromium slag by using waste heat of steel slag |
-
2021
- 2021-11-16 CN CN202111352055.5A patent/CN114130802B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60231444A (en) * | 1984-04-28 | 1985-11-18 | 日本磁力選鉱株式会社 | Use of highly basic steel slag |
| JPH05117736A (en) * | 1991-10-28 | 1993-05-14 | Hamada Juko Kk | Method and equipment for treating steel slag |
| JP2000334418A (en) * | 1999-06-01 | 2000-12-05 | Kawasaki Steel Corp | Method for solidifying steel making slag |
| CN202017029U (en) * | 2011-03-21 | 2011-10-26 | 鞍山钢铁集团公司 | Short-flow stuffy slag water returning device |
| CN103667554A (en) * | 2013-12-26 | 2014-03-26 | 北京中冶设备研究设计总院有限公司 | Device and method for recycling and treating waste heat of high-temperature steel slag |
| CN103667555A (en) * | 2013-12-26 | 2014-03-26 | 北京中冶设备研究设计总院有限公司 | Well type slag ladle device for recycling waste heat of high-temperature steel slag |
| CN106119448A (en) * | 2016-05-09 | 2016-11-16 | 浙江哈斯科节能技术有限公司 | A kind of method that hot steel slag quickly cools down |
| CN111378796A (en) * | 2018-12-30 | 2020-07-07 | 孙学贤 | Converter steel slag waste heat utilization equipment system and process principle |
| CN111925143A (en) * | 2020-08-07 | 2020-11-13 | 中冶节能环保有限责任公司 | Large-diameter vertical steel slag pressure hot stuffy tank and steel slag treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114130802A (en) | 2022-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102585860B (en) | Method performing microwave pyrolysis on garbage | |
| CN103060494B (en) | A kind of vapor recovery type blast furnace slag flushing water system | |
| CN100443412C (en) | Method for treating tail gas and waste water from rare earth finished ore acid method burning process | |
| CN106876821A (en) | A kind of new energy resource power battery Dismantlement equipment | |
| CN204529994U (en) | The treatment unit of waste cathode carbon block in electrolysis of aluminum waste tank lining | |
| CN109719118A (en) | A kind of aluminium cell solid waste recycling treatment system and method | |
| CN109250884B (en) | Biogas slurry efficient deamination process combining digested sludge with thermal hydrolysis | |
| CN107522197A (en) | The method of the preparation high-purity of economy, the micro crystal graphite of high graphitization degree | |
| CN114890691B (en) | Converter slag flue gas quenching carbon-fixing heat recovery device and method | |
| CN103111455A (en) | Environment-friendly comprehensive treatment method for household garbage and waste oil and fat | |
| CN111560520A (en) | Method for cleanly and efficiently extracting rare earth elements from waste fluorescent powder | |
| CN110926217B (en) | Yellow phosphorus slag water quenching waste heat recovery device | |
| CN114130802B (en) | Steel slag treatment system and steel slag treatment process | |
| CN102776302B (en) | Liquid slag waste heat recovery device and method for recovering slag waste heat by utilizing same | |
| CN101906348A (en) | Method for reducing waste engine oil into base oil | |
| CN108793652A (en) | A kind of pickling sludge resource processing apparatus and technique | |
| CN103936048A (en) | Method for recovering and utilizing sewage generated during technology process of acid method for extracting aluminum oxide from fly ash | |
| JP4204918B2 (en) | Processing system and processing method for effectively using biomass resources | |
| CN109797280A (en) | The low zinc gray dangerous waste object cogeneration of steel is used for the method and system of electrolytic zinc production | |
| CN116282116A (en) | Circulation process for mineralizing carbon dioxide by magnesium slag | |
| CN211339648U (en) | Lepidolite leaching solution purifies edulcoration device | |
| CN210874508U (en) | Urban fly ash comprehensive treatment system | |
| CN109896539A (en) | A kind of preparation method of lithium carbonate | |
| CN102351896B (en) | Method for producing dibutyl phosphate by comprehensively using three wastes in production process | |
| CN113457418A (en) | Device and method for ultralow-emission coupling fly ash treatment of waste incineration flue gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 050000 108 Huaian East Road, Yuhua District, Shijiazhuang City, Hebei Province Patentee after: Hebei Antai Engineering Technology Co.,Ltd. Address before: 050000 108 Huaian East Road, Yuhua District, Shijiazhuang City, Hebei Province Patentee before: Sinosteel (Shijiazhuang) Engineering Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |