CN201999952U - Molten blast furnace slag high-temperature sensible heat recovery system - Google Patents
Molten blast furnace slag high-temperature sensible heat recovery system Download PDFInfo
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- CN201999952U CN201999952U CN2011200632728U CN201120063272U CN201999952U CN 201999952 U CN201999952 U CN 201999952U CN 2011200632728 U CN2011200632728 U CN 2011200632728U CN 201120063272 U CN201120063272 U CN 201120063272U CN 201999952 U CN201999952 U CN 201999952U
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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
- C21B2400/05—Apparatus features
- C21B2400/052—Apparatus features including rotating parts
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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
- C21B2400/052—Apparatus features including rotating parts
- C21B2400/056—Drums whereby slag is poured on or in between
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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
- C21B2400/072—Tanks to collect the slag, e.g. water tank
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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
- C21B2400/08—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
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a molten blast furnace slag high-temperature sensible heat recovery system, which comprises blast furnace slag trough, a slag hopper, a slag hopper lifting mechanism, a quenching unit, a slow cooling unit, a cold slag granule circulating unit, a cyclone dust collector, a waste heat boiler, a condensing unit, a circulating fan and a pressurizing fan, wherein the quenching unit comprises a granulating wheel set, a cold slag granule outlet, a slag baffle set, a cooling water spray nozzle set, a vibrated cooling bed and a cooling air spray nozzle set, wherein the granulating wheel set comprises at least two rotary crushing wheels and slag baffles, and the cooling water spray nozzle set is arranged above the vibrated cooling bed; the slow cooling unit comprises a hot slag granule storehouse and a slow cooling heat exchanger; and the cold slag granule circulating unit comprises a cold slag granule storehouse, a delivery pipeline and a slag screening machine. The molten blast furnace slag high-temperature sensible heat recovery system has the advantages that both the subsequent utilization efficiency and the waste heat recovery efficiency of the blast furnace slag are considered at the same time, cooling water is cyclically used, finished product slag contains no water or a little of water, the granulating effect of the slag is better, and the conflict between intermittent deslagging and continuous heat production of blast furnace iron making is solved.
Description
Technical field
The utility model belongs to ferrous metallurgy energy-saving and emission-reduction, secondary energy recovery technology field, particularly a kind of recovery molten blast furnace slag high temperature sensible heat system.
Background technology
Significant change can not take place as a kind of important structured material and the position of functional materials in iron and steel in foreseeable time range.Iron And Steel Industry belongs to resource, fund and technology-intensive type industry, has contained series engineerings such as geology, mining, ore dressing, ironmaking, steel-making, rolling and metal products, be produce, manage, science and technology and economic synthesis.No matter in the past and now, still in the quite long in the future period of history, the developmental level of Iron And Steel Industry remains one of important symbol of weighing an industrialization of the country and modernization level height.In March, 2007, five meetings of ten National People's Congress are maked decision, the growth of GDP as expection property target, energy-saving and cost-reducing and pollution emission reduction index as the restrictive index that must guarantee to finish.This is to China's economic construction and very important governing principle of industry development from now on.Iron And Steel Industry is as one of mainstay industry of China, be the energy consumption rich and influential family also be the pollutant emission rich and influential family, carrying out energy-saving and emission-reduction work is most important prerequisite and the condition that guarantees China's sustainable development of iron and steel industry.
Along with China's rapid development of economy, the iron and steel output of China is also in rapid growth in recent years.2009, China's blase furnace cast iron annual production surpassed 5.4 hundred million tons, and 1 ton of pig iron of every production produces 300～600kg slag, produced blast furnace slag per year above 1.6 hundred million tons.The liquid blast furnace temperature that produces in the iron manufacturing process generally adopts the mode granulation and the cooling down high-temperature liquid blast furnace of shrend more than 1400 ℃, generates the blast furnace granulated slag that is suitable for being used in a large number manufacture of cement.In the shrend process, 1 ton of blast furnace slag of every punching out produces 8～12 tons of flushing cinder water that temperature is about 85 ℃, except that northern part iron enterprise utilize in the winter time a small amount of flushing cinder hydromining warm, wherein contained a large amount of heats scatter and disappear in vain, cause factory and surrounding enviroment thermal pollution; Blast furnace slag quenching water recycles, and temperature is high more, and the sulfide that discharges in the flushing cinder process is many more, and the blast furnace granulated slag quality is poor more; Slag per ton consumes about new water 1t, causes water resource waste and pollution.The liquid blast furnace temperature is more than 1400 ℃, and the heat content of slag per ton is equivalent to the thermal value of 60kg mark coal approximately.To the iron and steel enterprise of 5,000,000 tons/year of blase furnace cast iron output, annual about 1,500,000 tons of the blast furnace slag that produces if can reclaim 50% of contained waste heat wherein, can save energy every year and amounts to 90,000 tons in mark coal, and the benefit that reclaims the blast furnace slag waste heat is very considerable.
For reclaiming contained a large amount of higher-grade waste heats in the blast furnace slag; carry out correlative study abroad very early, successively developed drum cooler technology (NKK of NKK); swing roller technology (the mill heavy industry is broadcast on SUMITOMO CHEMICAL metal and Ishikawa island); mechanical mixing method granulation process (SUMITOMO CHEMICAL metal); mechanical mixing method granulation process (Kawasaki, Japan system iron); Merotec slag pelletizing technology (Germany); continuous casting and rolling method tabular curing process (Ukraine); wind pelletizing technology (the Japanese Nippon Steel of quenching; NKK; the Kawasaki Steel; Kobe Steel; Sumitomo Metal Industries and day new system steel); centrifugal (rotating cup) pelletizing technology (Britain; Japan; Australia) etc.Wherein quench method and centrifugal granulation method of drum cooler method, wind carried out commerical test.With abroad compare, the research that blast furnace slag high temperature sensible heat reclaims and being applied in domesticly just launches in recent years.Wherein, the Iron and Steel Research Geueral Inst blast furnace slag quench dry type granulation technique that began one's study in 2004 was also carried out relevant experiment to centrifugal granulation and the wind process combined of quenching; Qingdao Technological University and Laigang have been set up the energy and environment Engineering Research Center cooperatively, are carrying out some researchs with regard to blast furnace slag dry granulation and fluidized bed heat exchanger recovery blast furnace slag waste heat aspect theoretical and the experiment; Mechanisms such as University Of Chongqing, Northeastern University, China Metallurgical Jingcheng Engineering Technology Co., Ltd, Anshan Research Inst. of Heat Energy, China Iron ﹠ Steel Group have applied for reclaiming with different methods the patent of blast-furnace cement sensible heat.It is very big to reclaim blast furnace slag waste heat difficulty, has a lot of technological difficulties, as: the blast furnace slag output is big, temperature is high, discontinuous, requires very high to processing power, heat-resistant, wear-resistant and the regulating power of equipment; Require speed of cooling very fast for generating the alternative material of qualified material of construction, but energy consumption and the waste heat recovery rate cooled off equipment fast all have adverse influence.Therefore,, only there be quench method and centrifugal granulation method of wherein drum cooler method, wind to carry out commerical test, still do not have the successful case of realization practical application in industry at present although more both at home and abroad to the research of reclaiming blast furnace slag high temperature sensible heat.
Summary of the invention
The purpose of this utility model provides a kind of recovery molten blast furnace slag high temperature sensible heat system, high efficiente callback blast furnace slag high temperature sensible heat, reduce energy consumption and water consumption in the blast furnace slag treating processes, reduce thermal pollution and water and pollute, the blast furnace slag after the processing is suitable with the Water Quenching Slag quality.
There are some researches show; if generate the sufficiently high blast furnace slag of vitreum content; in fast cooling more than 800 ℃, can slow cooling below 800 ℃, the wind of Japan its fs of pelletizing technology of quenching also is to utilize high-pressure air that blast furnace slag is cooled fast to below 800 ℃.Based on this, for later use and the waste heat recovery efficient of taking into account blast furnace slag, the cooling of blast furnace slag divides two sections to carry out, promptly successively in quenching unit and slow cooling unit, cool off: in quenching unit, the complex method that adopts cold high pressure air, the cold slag particle that circulates, a small amount of water coolant is with molten blast furnace slag below the broken and quick cooling to 800 ℃, guaranteeing the vitreum content in the slag finished product, thereby do not influence activity with slag system cement or material of construction; In the slow cooling unit, the blast furnace slag that has solidified improves the waste heat recovery rate in the slow cooling interchanger and by the abundant contact heat-exchanging of air that recirculation blower is sent into.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of system that reclaims molten blast furnace slag high temperature sensible heat, it is characterized in that this system is made of in order blast furnace residue channel, slag bucket, slag bucket lifting mechanism, quenching unit, slow cooling unit, cold slag particle cycling element, tornado dust collector, waste heat boiler, condensing unit, recirculation blower, booster fan; Described quenching unit comprises the granulation wheels, cold slag particle outlet, and the skimming plate group, the water coolant set of nozzles is vibrated cooling bed and the cooling air set of nozzles; Described granulation wheels comprise at least two rotary broken wheels that certain distance is all arranged on height and horizontal direction, above between first broken wheel and the skimming plate, arrange cold slag particle outlet, skimming plate of every corresponding configuration of rotary broken wheel, rotary broken wheel and skimming plate and blast furnace slag contact part are made by Fire and abrasion resistant material; Described vibration is cooling bed to have certain pitch angle with horizontal plane, is furnished with the water coolant set of nozzles near the quenching unit exit above vibration is cooling bed; Described slow cooling unit comprises warm sludge grain warehouse and the slow cooling interchanger that links to each other with warm sludge grain warehouse; Described cold slag particle cycling element comprises cold slag particle warehouse, the cold slag particle line of pipes that links to each other with cold slag particle warehouse, and with the slag screen extension set that links to each other with cold slag particle line of pipes, described cold slag particle warehouse links to each other with the cold slag particle outlet of quenching unit.
The technical solution of the utility model can also be further perfect:
As preferably, described system configuration has two slag buckets, and by the control of slag bucket lift mechanism lifts, described slag bucket is equipped with heating unit and lagging facility, and the bottom has can adjust a plurality of slag head pieces that open and close quantity.
As preferably, described skimming plate is provided with angular position adjusting.
As preferably, described slow cooling interchanger is fluidized-bed or drying grate.
As preferably, described condensing unit comprises the condenser that links to each other with waste heat boiler, small pump that links to each other with condenser and water circulating pump, and described water circulating pump links to each other with the water coolant set of nozzles of quenching unit.
Compared with prior art, employing the utlity model has following advantage:
1, blast furnace slag divides two sections priorities to cool off in quenching unit and slow cooling unit, has taken into account the later use and the waste heat recovery efficient of blast furnace slag.The compound method of cooling that adopts cold high pressure air, the cold slag particle that circulates, a small amount of water coolant in quenching unit is with below the high-temperature fusion blast furnace slag quick cooling to 800 ℃, guaranteed that Vitrea content is suitable with traditional Water Quenching Slag in the slag finished product, do not influenced activity with the made cement of slag.The abundant contact heat-exchanging of blast furnace slag that solidifies in the slow cooling unit and air improves the waste heat quality of waste heat recovery rate and recovery, can produce medium temperature and medium pressure steam and be used for generating or process steam;
2, compare a small amount of new water of only consumption with tradition with water cooling, save more than consumption of cooling-water 0.6～1t/t slag, the recirculated cooling water amount also significantly reduces, reduce the cooling water recirculation system power consumption, the air of discharging from waste heat boiler after the heat exchanging carries out condensation, the environmental pollution that water coolant brings has been eliminated in the water of condensation recycle;
3, the controlled and water that makes ejection of the used cooling water inflow of quenching unit all or the overwhelming majority be subjected to thermal evaporation, not moisture or only contain less water in the finished product slag, save the oven dry energy consumption of later use link;
4, with only compare with the high-pressure air granulated bf slag, utilize the broken power consumption of the compounded methods of rotary broken wheel, cold high pressure air, skimming plate, cold slag particle, water coolant significantly to reduce, the granulation better effects if of slag, granularity is little and even, help the unitary gas of chilling and slow cooling-slag heat exchange, also more favourable for follow-up comprehensive utilization;
5, disposed two slag buckets and be used alternatingly, and be provided with warm sludge grain warehouse in the slow cooling unit, can solve blast furnace ironmaking and be interrupted the contradiction of slagging tap with continuous heat production.
Description of drawings
Fig. 1 is a kind of system architecture of the present utility model and schematic flow sheet.
Description of reference numerals: 1, blast furnace residue channel, 2, the slag bucket, 3, lifting mechanism, 4, quenching unit, 41, the granulation wheels, 42, the outlet of cold slag particle, 43, skimming plate group, 44, the water coolant set of nozzles, 45, vibration is cooling bed, 46, cooling air set of nozzles, 5, the slow cooling unit, 51, warm sludge grain warehouse, 52, slow cooling interchanger, 6, cold slag particle cycling element, 61 cold slag particle warehouses, 62, cold slag particle line of pipes, 63, the slag screen extension set, 7, tornado dust collector; 8, waste heat boiler, 9, condensing unit, 91, condenser, 92, small pump, 93, water circulating pump, 10, recirculation blower, 11, booster fan.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
As shown in the figure, molten blast furnace slag high temperature cement sensible heat recovery system is made up of blast furnace residue channel 1, slag bucket 2, slag bucket lifting mechanism 3, quenching unit 4, slow cooling unit 5, cold slag particle cycling element 6, tornado dust collector 7, waste heat boiler 8, condensing unit 9, recirculation blower 10, booster fan 11.
Concrete, blast furnace residue channel 1 is the part of this body structure of blast furnace normally, is the passage after blast furnace slag is discharged by blast furnace.Slag bucket 2 is made by refractory materials, holds by blast furnace residue channel 1 effusive liquid high temperature blast furnace slag; For guaranteeing the flowability of slag, slag bucket 2 is equipped with heating and heat-insulating device; In order to reduce the waiting time between slagging tap for twice, thereby stablize the flow heat production continuously that slag is handled, two slag buckets of system configuration are used alternatingly, and are provided with a plurality of slag head pieces and can adjust switching quantity in slag bucket bottom.Slag bucket lifting mechanism 3 can be promoted to quenching unit 4 tops by slag runner 1 below with the slag bucket 2 that fills with molten blast furnace slag, also the slag bucket 2 of sky can be delivered to slag runner 1 below, waits for and slagging tap next time.
Concrete, quenching unit 4 comprises granulation wheels 41, cold slag particle outlet 42, skimming plate group 43, water coolant set of nozzles 44, vibration cooling bed 45 and cooling air set of nozzles 46.Granulation wheels 41 comprise that at least two all have the rotary broken of certain distance to take turns on height and horizontal direction, the blast furnace slag of falling on it will be taken turns high speed rotating and clashed into and dish out owing to fragmentation.Every broken at least one cooling air nozzle of wheel arranged beneath, the blast furnace slag of the fragmentation wheel being dished out by the next cold high pressure air of booster fan cools off and fragmentation, and blast furnace slag is purged on the skimming plate.Arrange cold slag particle outlet 42 above between first broken wheel and the skimming plate, cold slag particle is from wherein falling, and with high-temperature liquid state blast furnace slag contact heat-exchanging, the high-temperature liquid state blast furnace slag is because of the broken granulation of temperature stress.Skimming plate of every corresponding configuration of broken wheel, blast furnace slag collides fragmentation thereon.Rotary broken wheel and skimming plate and blast furnace slag contact part are made by Fire and abrasion resistant material.Handle operating mode for adapting to different blast furnace slags, skimming plate is equipped with position and angle-adjusting mechanism, vibrate cooling bed and horizontal plane certain pitch angle is arranged, blast furnace slag moves forward on vibration limit, the cooling bed top of vibration, it is cooling bed that the cooling air branch multichannel of booster fan 11 is passed vibration from bottom to top, with the blast furnace slag heat exchange.Above vibration is cooling bed, arrange water coolant set of nozzles 44, a small amount of water coolant is sprayed on is on the blast furnace slag blanket that solidifies attitude, make blast furnace slag quench shrink and further broken near the quenching unit exit.The relevant also may command of the blast furnace quantity of slag, upstream link cooling situation that the water yield of water coolant nozzle ejection and unit time handle, scope is at 0～0.5t water/t slag, when the speed of cooling of blast furnace slag meets the demands in guaranteeing quenching unit, the water of ejection all or the overwhelming majority be subjected to thermal evaporation, reduce the water ratio of finished product slag.Blast furnace slag after water spray is handled is cooled to discharge quenching unit then below 800 ℃, enters the slow cooling unit.Become high temperature air after cooling air and the blast furnace slag heat exchange, a small amount of water coolant contacts the back evaporation and becomes high-temperature steam with blast furnace slag, and the mixture of high temperature air and high-temperature steam is drawn from the quenching unit top.
Concrete, slow cooling unit 5 comprises warm sludge grain warehouse 51 gentle cold heat exchangers 52.Be cooled at first enter warm sludge grain warehouse 51 after blast furnace slag below 800 ℃ enters slow cooling unit 5, enter slow cooling interchanger 52 then.Determine according to the heat production situation of waste heat boiler by the blast furnace quantity of slag that enters slow cooling interchanger 52 in the warm sludge grain warehouse 51.A kind of embodiment of slow cooling interchanger 52 is a fluidized-bed, blast furnace slag therein with the abundant heat exchange of the cooling air of recirculation blower 10.As another kind of embodiment, slow cooling interchanger 52 also can be a drying grate.Blast furnace slag is cooled to discharge below 300 ℃ in the slow cooling unit, enters cold slag particle cycling element.Becoming high temperature air after cooling air and the blast furnace slag heat exchange draws from top, slow cooling unit.
Concrete, cold slag particle cycling element 6 comprises cold slag particle warehouse 61, cold slag particle line of pipes 62 and slag screen extension set 63, wherein cold slag particle warehouse 61 links to each other with the cold slag particle outlet 42 of quenching unit.The blast furnace slag that is cooled to below 300 ℃ enters slag screen extension set 63 after the slow cooling row of cells goes out, blast furnace slag is separated into two parts in the slag screen extension set: a part of slag particle is transported away, send to making cement or building material, the slag particle that another part granularity is suitable is then delivered to cold slag particle warehouse by cold slag particle line of pipes 62, enter quenching unit through cold slag particle outlet, with high temperature blast furnace slag contact heat-exchanging, play the effect of cooling and crash high temperature blast furnace slag.
Concrete, enter tornado dust collector 7 after high temperature air of drawing from chilling and slow cooling unit and high-temperature steam mix, in tornado dust collector 7, remove grit, enter waste heat boiler 8 heat exchange then, become the output of medium temperature and medium pressure steam after the feedwater heat absorption of waste heat boiler, be used for generating or technology.Cooled air of heat exchange and vapour mixture enter condensing unit 9.
Concrete, condensing unit 9 comprises condenser 91, small pump 92 and water circulating pump 93.The water coolant set of nozzles 44 of quenching unit 4 links to each other with condensing unit.The air and the vapour mixture of discharging from waste heat boiler 8 are divided into two-way condensing unit 9 with after the water of condensation heat exchange cooling: the one tunnel is cooled air, be sent to slow cooling unit 5 and quenching unit 4 respectively by recirculation blower, the cooling air that wherein is sent to quenching unit 4 is earlier by booster fan 11 pressurizations, enter quenching unit 4 then, by 46 ejections of cooling air set of nozzles, blast furnace slag is cooled off and fragmentation; Another road is the less water that condenses into after the steam heat release, and the water of this part water and small pump 92 converges the back and is sent to quenching unit 4 by water circulating pump, by 44 ejections of water coolant set of nozzles, the blast furnace slag that vibrates on cooling bed 45 is carried out chilling.So far finish the circulation of water coolant and cooling air respectively.
Claims (6)
1. one kind is reclaimed molten blast furnace slag high temperature sensible heat system, and it is characterized in that: this system is made of in order blast furnace residue channel (1), slag bucket (2), slag bucket lifting mechanism (3), quenching unit (4), slow cooling unit (5), cold slag particle cycling element (6), tornado dust collector (7), waste heat boiler (8), condensing unit (9), recirculation blower (10), booster fan (11).
2. a kind of recovery molten blast furnace slag high temperature sensible heat according to claim 1 system, it is characterized in that: described quenching unit (4) comprises granulation wheels (41), cold slag particle outlet (42), skimming plate group (43), water coolant set of nozzles (44) is vibrated cooling bed (45) and cooling air set of nozzles (46); Described granulation wheels (41) comprise at least two rotary broken wheels that certain distance is all arranged on height and horizontal direction, above between first broken wheel and the skimming plate, arrange cold slag particle outlet (42), skimming plate of every corresponding configuration of rotary broken wheel; Described vibration cooling bed (45) has certain pitch angle with horizontal plane, is furnished with water coolant set of nozzles (44) near the quenching unit exit above vibration is cooling bed; Described slow cooling unit (5) comprises warm sludge grain warehouse (51) and the slow cooling interchanger (52) that links to each other with warm sludge grain warehouse; Described cold slag particle cycling element (6) comprises cold slag particle warehouse (61), the cold slag particle line of pipes (62) that links to each other with cold slag particle warehouse, with the slag screen extension set (63) that links to each other with cold slag particle line of pipes, described cold slag particle warehouse (61) links to each other with the cold slag particle outlet (42) of quenching unit.
3. a kind of recovery molten blast furnace slag high temperature sensible heat according to claim 2 system, it is characterized in that: described system configuration has two slag buckets (2), promote control by slag bucket lifting mechanism (3), described slag bucket (2) is equipped with heating unit and lagging facility, and the bottom has can adjust a plurality of slag head pieces that open and close quantity.
4. according to claim 2 or 3 described a kind of recovery molten blast furnace slag high temperature sensible heat systems, it is characterized in that: described skimming plate is provided with angular position adjusting.
5. according to claim 2 or 3 described a kind of recovery molten blast furnace slag high temperature sensible heat systems, it is characterized in that: described slow cooling interchanger (52) is fluidized-bed or drying grate.
6. according to claim 1 or 2 or 3 described a kind of recovery molten blast furnace slag high temperature sensible heat systems, it is characterized in that: described condensing unit (9) comprises the condenser (91) that links to each other with waste heat boiler (8), small pump that links to each other with condenser (92) and water circulating pump (93), described water circulating pump (93) links to each other with the water coolant set of nozzles (44) of quenching unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200632728U CN201999952U (en) | 2011-03-11 | 2011-03-11 | Molten blast furnace slag high-temperature sensible heat recovery system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200632728U CN201999952U (en) | 2011-03-11 | 2011-03-11 | Molten blast furnace slag high-temperature sensible heat recovery system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162016A (en) * | 2011-03-11 | 2011-08-24 | 杭州锅炉集团股份有限公司 | Method and system for recovering high-temperature sensible heat of molten blast furnace slag |
| CN102690912A (en) * | 2012-05-31 | 2012-09-26 | 四川川润股份有限公司 | Waste heat continuous utilization work station system and process for blast-furnace slag |
| CN105567891A (en) * | 2015-12-28 | 2016-05-11 | 蒋福军 | High-temperature liquid slag heat energy extraction method |
| CN109798776A (en) * | 2018-12-14 | 2019-05-24 | 浙江开化合成材料有限公司 | A kind of automatic slag-tapping system of thermal energy recycling |
-
2011
- 2011-03-11 CN CN2011200632728U patent/CN201999952U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162016A (en) * | 2011-03-11 | 2011-08-24 | 杭州锅炉集团股份有限公司 | Method and system for recovering high-temperature sensible heat of molten blast furnace slag |
| CN102162016B (en) * | 2011-03-11 | 2012-09-05 | 杭州锅炉集团股份有限公司 | Method and system for recovering high-temperature sensible heat of molten blast furnace slag |
| CN102690912A (en) * | 2012-05-31 | 2012-09-26 | 四川川润股份有限公司 | Waste heat continuous utilization work station system and process for blast-furnace slag |
| CN102690912B (en) * | 2012-05-31 | 2013-11-06 | 四川川润股份有限公司 | Waste heat continuous utilization work station system and process for blast-furnace slag |
| CN105567891A (en) * | 2015-12-28 | 2016-05-11 | 蒋福军 | High-temperature liquid slag heat energy extraction method |
| CN109798776A (en) * | 2018-12-14 | 2019-05-24 | 浙江开化合成材料有限公司 | A kind of automatic slag-tapping system of thermal energy recycling |
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