CN202359129U - Recycling treatment and heat energy recovery device for high-temperature liquid steel slag - Google Patents
Recycling treatment and heat energy recovery device for high-temperature liquid steel slag Download PDFInfo
- Publication number
- CN202359129U CN202359129U CN2011201095566U CN201120109556U CN202359129U CN 202359129 U CN202359129 U CN 202359129U CN 2011201095566 U CN2011201095566 U CN 2011201095566U CN 201120109556 U CN201120109556 U CN 201120109556U CN 202359129 U CN202359129 U CN 202359129U
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- CN
- China
- Prior art keywords
- slag
- temperature liquid
- water
- steel slag
- pond
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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.)
- Expired - Lifetime
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- 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
- C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
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- 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
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/062—Jet nozzles or pressurised fluids for cooling, fragmenting or atomising slag
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/066—Receptacle features where the slag is treated
- C21B2400/07—Receptacle features where the slag is treated open to atmosphere
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/066—Receptacle features where the slag is treated
- C21B2400/072—Tanks to collect the slag, e.g. water tank
-
- 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
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- 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
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- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model relates to a recycling treatment and heat energy recovery device for High-temperature liquid steel slag, which comprises a slag receiving tank, a twin hook crane, a middle ladle, a porous high-speed air nozzle, a slag collecting pond and an air compressor. A fine grain dry grain slugging collection tank is arranged behind the slag collecting pond, plate type heat recovery steam generator assembly and purified water supply pipes are arranged close on the inner walls of the peripheries of the slag collecting pond and the fine grain dry grain slugging collection pond, a plurality of atomized water jet nozzles are continuously arranged on the two sides of the slag collecting pond and the fine grain dry grain slugging collection pond and at the upper edge of the plate type heat recovery steam generator assembly, and a semicircle arch airtight atomized water curtain is formed over the two slag ponds. According to the recycling treatment and heat energy recovery device for the high-temperature liquid steel slag, the high-temperature liquid steel slag recycling treatment is achieved, and most of heat energies of the high-temperature liquid steel slag can be recovered and can be turned into hot water at 80 DEG C for usage.
Description
Technical field
The utility model relates to processing of a kind of high-temperature liquid state steel slag resource and heat-energy recovering apparatus.
Background technology
China's utility model patent " steel slag wind-crushing granulating device " is made up of tundish, spraying gun, pond.The patent No.: CN88211276U is though this utility model patent has solved the problem of high-temperature liquid state steel slag resource processing; But fail to reclaim the heat energy of high-temperature liquid state slag, cause the waste of slag heat resource, make us feeling some blemish in an otherwise perfect thing unavoidably.
Summary of the invention
Problem to above-mentioned patent existence; Design the utility model device that can address the above problem at present, it is characterized in that: the utility model device can be when realizing the processing of high-temperature liquid state steel slag resource; Can realize reclaiming most high-temperature liquid state slag heat energy again and be converted into to supply about 80 ℃ thermal water resource utilizing.
The utility model comprises and connects slag ladle, twin hood crane, tundish, porous high-velocity air nozzles, Ji Zhashuichi, air compressor machine; Be provided with the dried grain slag collecting tank of particulate at collection rear, pulp water pond; Inwall is provided with dull and stereotyped waste heat boiler assembly and purifies waste water water-supply pipe around being close to the dried grain slag collecting tank of Ji Zhashuichi and particulate; Collecting the slag collecting tank and the both sides of the dried grain slag collecting tank of particulate, flat waste heat boiler assembly upper edge; A plurality of atomized water nozzles are set continuously, at airtight atomizing water curtain of semicircle arch form of the overhead formation of two slag baths.
The utility model also comprises hindering machine, magnetic belt separator, grading screening machine, the baling press that sets gradually, and said hindering machine is arranged on the overhead grab-crane of the dried grain slag collecting pit of Ji Zhashuichi and particulate; Said grading screening machine is that the granulation slag after the magnetic separation is carried out grading; Said baling press, be with the size fractionated slag packing pack of from collection pulp water pond, taking out and screening is good: 0 ~ 5mm grade is used for building materials, and 0 ~ 3 mm grade is used for raw materials for sintering, and 1 ~ 3 mm grade is used for sand-blasting abrasive, and 3 ~ 5 mm grades are used for the effluent treatment and filtering material; The dried grain slag collecting pit of said particulate is 0 ~ 1 a mm grade particulate slag of collecting the high added value purposes specially.
Above-mentioned flat waste heat boiler assembly is the flat waste heat boiler assembly that is welded into the hollow water flowing by the polylith boiler plate; Inwall was installed around this waste heat boiler assembly was close to the pond; The following part that accounts for component height 1/2 is to be embedded in below the liquid level of pond, and the thickness of aforementioned whole boiler plate is 10 mm.Purify waste water and infeed from the bottom of flat waste heat boiler assembly
Within the cavity, through flow deflector control water (flow) direction, with in a zigzag under flow to top.
Because of being dissolved with the Ca (OH) of higher concentration in the collection slag bath water coolant
2, can be used for the sintering system water distribution of this enterprise and use, reclaim resource, reduce the sintering cost.
Because of being dissolved with the Ca (OH) of higher concentration in the collection slag bath water coolant
2, therefore can also be used to neutralize, absorb the CO that discharge in this enterprise steelworks limestone kiln
2Gas reduces the discharging of greenhouse gases.High-speed air flow by high-speed air nozzle ejection is the liquid steel slag of 1600 ℃ of left and right sides high temperature flowing out from tundish of granulation aloft, and the granulation slag falls into the Ji Zhashuichi cooling; And high-speed air flow is by about liquid steel slag heat temperature raising to 1500 ℃, in the along continuous straight runs motion process, entrained heat energy is passed to the energy recovery parts again after temperature reduce to about 300 ℃ overhead the discharge from the pond; Therefore, the utility model can be realized the most high-temperature liquid state slag heat energy of recovery and be converted into supplying about 80 ℃ thermal water resource utilizing when realizing the processing of high-temperature liquid state steel slag resource.
The utility model is equally applicable to the recycling treatment and the energy recovery of high-temperature liquid state basic iron alloy smelting slag.
Below in conjunction with accompanying drawing the present invention is elaborated:
Accompanying drawing 1: processing of high-temperature liquid state steel slag resource and heat-energy recovering apparatus synoptic diagram
DETAILED DESCRIPTION: BOF (or furnace) slag, it will pour hot liquid slag furnace slag slag pot tanker pick on a post, slag slag processing tank open to cross by hook crane 2 will pick dross hanging to the middle Pack 3 before and after alignment of the tundish, starting crane hook to pay, then slowly tilting slag pot, pour the hot liquid slag tundish, the temperature of liquid slag through the tundish nozzle flow control, the flow from the flow channel and the groove mouth free fall, fall encountered groove provided in the bottom stream; compressed air produced by the compressor 11 via a conduit into the high velocity air nozzle 4 is porous, and ejected from the nozzle orifice of the high speed air flow ; liquid slag temperature is high speed air flow immediately into 0 ~ 5mm diameter particle droplets, and the way the convective heat transfer of heat itself to high speed air flow, temperature airflow around it quickly the temperature rose to 1500 ℃ so, at the same time also to the temperature of liquid slag droplets heat radiation means, the heat directly transmitted to the plate-type heat boiler assembly 14 (above the level of the upper half of the pool part), the purified water supply pipe 13 into the lower part of the boiler assembly The purified water in the upward flow of the process of being continuously heated up; while about 1500 ℃ high velocity air flow during the movement in the horizontal direction, also the way the convective heat transfer to the heat plate type heat boiler assembly 14 (liquid pool The upper half of the above), the boiler water flowing component heat.
High temperature after granulating liquid slag droplets, with the high speed air flow in the horizontal flight certain distance, the surface has solidified the central part of the solid state but still liquid, due to the influence of gravity and fall to the bottom set of dispersed slag pool 5 and fine dry granulated slag collection sump 6 (due process under constant air falling flat along the waste heat boiler components installed special atomized water spray atomization spray nozzle 15 continuous cooling, this 0 ~ 1mm thin Dry granulated slag grains in the air had completely solidified into a solid, and the temperature dropped rapidly to about 100 ℃), fall to the collection basin 5, granulated slag slag is water cooled rapidly to room temperature 80 ~ 100 ℃, 5 while the heating water in the pool was heated to 80 ~ 100 ℃, will also buried below the surface of the pool close to the wall around the waste heat boiler plate assembly 14 within the lower half of the purification of water of the heating temperature to 60 ℃, this part is preheated to about 60 ℃ hot water from the waste heat boiler plate assembly 14 to the upper flow of the lower circulation, reach the top is reached after about 80 ℃ and from the outlet pipe into the hot water pipes, Then hot water delivery pipe 16 through a conduit to the boiler room for steam plant water use thus reducing boiler fuel consumption 40%.
Perhaps through hot water conveying pipe 16, be transported to plant area worker bathroom and directly wash to wash one's hair and use with hot water as the worker, these two kinds are utilized mode all can reach partly to recycle high-temperature liquid state slag heat energy target.
Fall into the residue collection tank 5 is rapidly cooled to room temperature 80 ~ 100 ℃ solid slag particles?; When set at least 3/4 tank volume, use take slag machine 7 Removed from the residue collection tank, put the belt separator machine 8 Admiral? solid slag particles of metallic iron grains elected, and return the factory steelmaking use; elected? granulated metallic iron slag particles? through? belt again? transported into the particle size classification screening machine 9. packer 10, the slag particles into different size fractions of products? after? package bagging?, followed by transport vehicles? 12 the bag? wear products were sent to the hands of users in different industries? utilized; while falling into fine dry granulated slag collection tank 6? 0 ~ 1mm fine dry granulated slag, iron tablets because of the metal content is low, with a take slag machine 7? removed, without magnetic separation, screening, can be directly used for packing bags with higher value-added use abrasive polishing and abrasion packing purposes.
Since the device uses a flat HRSG assembly 14
will pool and dry residue collection tank into the top of the four semi-closed around the state, while the top of the space and the use of special water nozzle atomization 15 atomized spray mist form a substantially closed water curtain, so porous high speed air ejection nozzle 4 high-speed air flow generating dB85 decibels of noise through the top of the water behind the closed, will be reduced to dB70 decibels.
Figure of description 1
Processing of high-temperature liquid state steel slag resource and heat-energy recovering apparatus synoptic diagram:1, connects slag ladle.2, twin hood crane.3, tundish.4, porous high-speed air nozzle.5, Ji Zhashuichi.6, the dried grain slag collecting tank of particulate.7, hindering machine.8, magnetic belt separator.9, size classification sieve apparatus.10, packing machine.11, air compressor machine.12, road vehicle.13, the water-supply pipe of purifying waste water.14, flat waste heat boiler assembly.15, special atomizing water nozzle.16 hot water conveying pipes.Form.
Claims (5)
1. high-temperature liquid state steel slag resource processing and heat-energy recovering apparatus; It is characterized in that comprising and connect slag ladle, twin hood crane, tundish, porous high-velocity air nozzles, Ji Zhashuichi, air compressor machine; Be provided with the dried grain slag collecting tank of particulate at collection rear, pulp water pond; Inwall is provided with dull and stereotyped waste heat boiler assembly and purifies waste water water-supply pipe around being close to the dried grain slag collecting tank of Ji Zhashuichi and particulate; Collecting the slag collecting tank and the both sides of the dried grain slag collecting tank of particulate, flat waste heat boiler assembly upper edge, a plurality of atomized water nozzles are set continuously, at airtight atomizing water curtain of semicircle arch form of the overhead formation of two slag baths.
2. high-temperature liquid state steel slag resource according to claim 1 processing and heat-energy recovering apparatus is characterized in that also comprising the hindering machine, magnetic belt separator, size classification sieve apparatus, the packing machine that set gradually.
3. high-temperature liquid state steel slag resource as claimed in claim 2 processing and heat-energy recovering apparatus is characterized in that said hindering machine, are arranged on the overhead grab-crane of the dried grain slag collecting tank of Ji Zhashuichi and particulate.
4. according to claim 1 or 2 or 3 processing of described high-temperature liquid state steel slag resource and heat-energy recovering apparatus; It is characterized in that said flat waste heat boiler assembly is the flat waste heat boiler assembly that is welded into the hollow water flowing by the polylith boiler sheet, the following part that accounts for component height 1/2 is to be embedded in below the liquid level of pond.
5. high-temperature liquid state steel slag resource according to claim 4 processing and heat-energy recovering apparatus, it is characterized in that purifying waste water infeeds within the cavity from the bottom of flat waste heat boiler assembly, through flow deflector control water (flow) direction, with in a zigzag under flow to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201095566U CN202359129U (en) | 2011-04-14 | 2011-04-14 | Recycling treatment and heat energy recovery device for high-temperature liquid steel slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201095566U CN202359129U (en) | 2011-04-14 | 2011-04-14 | Recycling treatment and heat energy recovery device for high-temperature liquid steel slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202359129U true CN202359129U (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201095566U Expired - Lifetime CN202359129U (en) | 2011-04-14 | 2011-04-14 | Recycling treatment and heat energy recovery device for high-temperature liquid steel slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202359129U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808051A (en) * | 2012-08-16 | 2012-12-05 | 芜湖新兴铸管有限责任公司 | Water residue crane for blast furnace smelting water residue pool |
| CN102808050A (en) * | 2012-09-06 | 2012-12-05 | 马钢(集团)控股有限公司 | Steel slag wind-crushing and hydro-cooling treating device and method for treating steel slag |
| CN107840158A (en) * | 2017-09-22 | 2018-03-27 | 中冶宝钢技术服务有限公司 | Metallurgical tank tilting mechanism and metallurgical technology |
| CN110181065A (en) * | 2019-04-22 | 2019-08-30 | 武汉科技大学 | A kind of metallurgy pulp water knife milling method |
| CN110643758A (en) * | 2019-11-14 | 2020-01-03 | 南京鹏昆环保科技有限公司 | Resourceful treatment and heat energy recovery method and device for high-temperature liquid steel slag |
| CN113789417A (en) * | 2021-09-28 | 2021-12-14 | 北京中航天业科技有限公司 | Atomization treatment device and treatment method for liquid steel slag |
-
2011
- 2011-04-14 CN CN2011201095566U patent/CN202359129U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808051A (en) * | 2012-08-16 | 2012-12-05 | 芜湖新兴铸管有限责任公司 | Water residue crane for blast furnace smelting water residue pool |
| CN102808050A (en) * | 2012-09-06 | 2012-12-05 | 马钢(集团)控股有限公司 | Steel slag wind-crushing and hydro-cooling treating device and method for treating steel slag |
| CN107840158A (en) * | 2017-09-22 | 2018-03-27 | 中冶宝钢技术服务有限公司 | Metallurgical tank tilting mechanism and metallurgical technology |
| CN107840158B (en) * | 2017-09-22 | 2022-03-15 | 中冶宝钢技术服务有限公司 | Metallurgical container tipping mechanism and metallurgical process |
| CN110181065A (en) * | 2019-04-22 | 2019-08-30 | 武汉科技大学 | A kind of metallurgy pulp water knife milling method |
| CN110181065B (en) * | 2019-04-22 | 2022-04-26 | 武汉科技大学 | Metallurgical slag water jet milling method |
| CN110643758A (en) * | 2019-11-14 | 2020-01-03 | 南京鹏昆环保科技有限公司 | Resourceful treatment and heat energy recovery method and device for high-temperature liquid steel slag |
| CN113789417A (en) * | 2021-09-28 | 2021-12-14 | 北京中航天业科技有限公司 | Atomization treatment device and treatment method for liquid steel slag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |