CN202755020U - Argon oxygen decarburization converter dust removing and double-medium waste heat generation system - Google Patents

Argon oxygen decarburization converter dust removing and double-medium waste heat generation system Download PDF

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Publication number
CN202755020U
CN202755020U CN201220348036.5U CN201220348036U CN202755020U CN 202755020 U CN202755020 U CN 202755020U CN 201220348036 U CN201220348036 U CN 201220348036U CN 202755020 U CN202755020 U CN 202755020U
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China
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working medium
medium
water
argon oxygen
oxygen decarburization
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CN201220348036.5U
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Inventor
张卫东
曹春华
朱晓红
陆俊杰
肖亚娟
宋晨
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WUXI SANDA ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
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WUXI SANDA ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract

The utility model relates to an argon oxygen decarburization converter dust palletizing and double-medium waste heat generation system, and belongs to the converter waste-heat utilization technology field. The argon oxygen decarburization converter dust palletizing and double-medium waste heat generation system comprises a first back-pressure steam turbine, a three phrase brushless induction type asynchronous generator, a low boiling point cooling device, a working medium heater, a working material evaporator, a water evaporator, a hot water collection bin, an economizer, a second back-pressure steam turbine, and a double-medium converter. The hot water collection bin is arranged in the double-medium converter. The economizer is connected with one end of the hot water collection bin, and the water evaporator is connected with the other end of the hot water collection bin. The water evaporator is connected with the first back-pressure steam turbine through a water vapor pipe. The low boiling point cooling device is connected with the working medium heater. One end of the working medium heater is connected with the working material evaporator. The working material evaporator is connected with the second back-pressure steam turbine through an R245fa vapor pipe. The argon oxygen decarburization converter dust palletizing and double-medium waste heat generation system has the advantages that the structure is simple, compact, and reasonable, the waste heat utilization efficiency is high by using the double-medium waste heat generating, the service life of a dust remover is greatly prolonged, the pollution to the environment is little, the investment cost is low, and the energy loss is reduced.

Description

Argon oxygen decarburization converter dust-removing and two medium afterheat generating system
Technical field
The utility model relates to a kind of argon oxygen decarburization converter dust-removing and two medium afterheat generating system, belongs to converter UTILIZATION OF VESIDUAL HEAT IN technical field.
Background technology
Can produce a large amount of waste heats in the industrial production.Particularly in industries such as iron and steel, coloured, chemical industry, cement, building materials, oil and petrochemical industry, light industry, coals, these residual heat resources account for 17% ~ 67% of its fuel consumption total amount, and the rate of recovery of waste heat data can reach 60%.
The residual heat resources proportion of utilization of China is low at present.According to statistics, the waste heat total amount that produces in China large and medium-sized enterprise industrial production is 8.44GJ, account for 37% of energy consumption, the entrained sensible heat of its finished product and intermediates accounts for 39% of waste heat total amount, the sensible heat of various slags accounts for 9%, various useless (cigarette) gas account for 37%, and the physical thermal that water coolant carries accounts for 15%, and residual heat resources are very abundant.But Chinese large-sized iron and steel enterprise utilization rate of waste heat only is about 30% ~ 50%, and the utilization ratio of big-and-middle-sized iron and steel enterprise residual heat resources is about 30% ~ 50%, and the utilization ratio of the residual heat resources of other mini-medium mills is lower.And external advanced enterprises utilization rate of waste heat can reach 90%, such as nippon up to 92%.Therefore the room for promotion of the utilization of the residual heat resources of China is very large.
The argon oxygen decarburization converter is also named in the AOD converter, is used for smelting stainless steel, and the waste heat energy of its generation is enough to generate electricity, and general waste heat power generation equipment comprises boiler, steam turbine, condenser and service pump.Working medium is constantly carried out isobaric heating, adiabatic expansion, isobaric heat release and adiabatic compression Four processes in heat power equipment, make heat energy constantly be converted into mechanical energy, and then drives the generating set generating.In China, the high-temp waste gas waste heat utilize situation better, such as dry coke quenching waste heat recovery, sintering mine sensible heat waste heat recovery, blast-furnace top gas recovery turbine generating etc.The recovery utilization rate of middle low temperature waste gas waste heat is then lower, and pure low-temperature cogeneration technology can take full advantage of the Iron And Steel Industry waste heat, also is the domestic direction of giving priority at present.It is working medium that pure low-temperature cogeneration technology adopts water, and the heat that is lower than 300 ℃ flue gas is difficult to reclaim.
Owing to contain a lot of dust in the waste gas of cogeneration, therefore need to carry out dedusting to waste gas, present domestic converter dust-removing has two kinds of dry method dust and wet dedustings.Wherein dry dedusting technology is not very ripe, and subject matter is that waste gas enters the temperature height of fly-ash separator, high to the requirement of equipment.The wet dedusting technology is relatively ripe, but cost of investment is high, and maintenance cost is high, and exhaust emission is higher.
The tradition afterheat generating system is electric energy with thermal power transfer, and then converts electrical energy into kinetic energy, understands expended energy in conversion process, has reduced the utilization ratio of heat energy, has increased enterprise cost.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby provide a kind of argon oxygen decarburization converter dust-removing and two medium afterheat generating system, utilize the waste heat of argon oxygen decarburization converter waste gas all to be converted to utilization of power, remove simultaneously the dust in the converter waste gas, realize the efficient utilization of residual heat resources.
According to the technical scheme that the utility model provides, argon oxygen decarburization converter dust-removing and two medium afterheat generating system mainly comprise the variable flow type fume hood of roof, the spark collection-type low-pressure impulse sack cleaner, aiutage, motor-driven carrier, water-cooled close arranging pipe suction inlet cover, the smoke deflector extraction hood, combustion settling chamber, the first counter pressure turbine, the R245fa drum, three-phase brushless inductive asynchronous generator, wheel box, the lower boiling refrigerating unit, the working medium well heater, the working medium vaporizer, the kettle cylinder, water evaporimeter, the hot water header, economizer, booster fan, exhaust blower, the second counter pressure turbine and bimedia boiler.
The variable flow type fume hood of roof forms a pyramid by a plurality of enclosings, and cone wallboard inclination angle scope is 45 ~ 60 ℃.
Described variable flow type fume hood of roof connects the spark collection-type low-pressure impulse sack cleaner by the low-temperature steel pipeline, is provided with mixer selector valve at the blast inlet of spark collection-type low-pressure impulse sack cleaner.Described low-temperature steel pipeline is provided with electrically operated valve.
The air outlet of described spark collection-type low-pressure impulse sack cleaner connects aiutage by smoke discharging pipe, and smoke discharging pipe is provided with exhaust blower.
The smoke deflector extraction hood is set below the variable flow type fume hood of roof, and described smoke deflector extraction hood adopts metal frame, liner sound insulation deadener.
Hang water-cooled close arranging pipe suction inlet cover on the described motor-driven carrier.A plurality of water cooled pipelines of dense arrangement are set in the described water-cooled close arranging pipe suction inlet cover.
Described water-cooled close arranging pipe suction inlet cover rear end connects combustion settling chamber, and combustion settling chamber adopts high alumina brick to be made into arch.
Described combustion settling chamber connects bimedia boiler by the heat-insulation and heat-preservation flue, is provided with the hot water header in the bimedia boiler.Described hot water header one end connects economizer, and the other end connects water evaporimeter.One end of described economizer connects water pump.Described water evaporimeter connects the first counter pressure turbine by the water vapor pipeline, and the water vapor pipeline is provided with the kettle cylinder.Be provided with water-circulating pump between described kettle cylinder and the hot water header.
Described lower boiling refrigerating unit connects the working medium well heater, is provided with working medium pump between lower boiling refrigerating unit and the working medium well heater.Described working medium well heater one end connects the working medium vaporizer, and the working medium vaporizer connects the second counter pressure turbine by the R245fa steam-pipe.Described R245fa steam-pipe is provided with the R245fa drum.Described working medium vaporizer is connected with the first counter pressure turbine.Described the second counter pressure turbine is connected with the lower boiling refrigerating unit.
Described hot water header is connected with the working medium vaporizer, between hot water header and the working medium vaporizer regulated valve is set.
Described the first counter pressure turbine and the second counter pressure turbine are connected on the wheel box by same axle, and wheel box connects three-phase brushless inductive asynchronous generator.
Described bimedia boiler is connected with the spark collection-type low-pressure impulse sack cleaner by the low-temperature steel pipeline, is provided with booster fan between bimedia boiler and spark collection-type low-pressure impulse sack cleaner.
Compared with the prior art the utility model has the following advantages:
The utility model is simple, compact and reasonable for structure; Adopt two medium cogenerations, the utilization ratio of waste heat is high; The flue-gas temperature that enters fly-ash separator is low, and greatly lengthen the work-ing life of fly-ash separator; Dust greatly reduces in the waste gas of discharging, and is little to the pollution of environment; Cost of investment is few, and the working service amount is little; Waste heat directly is converted to kinetic energy, has reduced power loss.
Description of drawings
Fig. 1 is the utility model structural representation.
Description of reference numerals: 1-variable flow type fume hood of roof, 2-low-temperature steel pipeline, the 3-mixer selector valve, 4-spark collection-type low-pressure impulse sack cleaner, the 5-aiutage, the 6-motor-driven carrier, 7-water-cooled close arranging pipe suction inlet cover, 8-smoke deflector extraction hood, the 9-combustion settling chamber, 10-heat-insulation and heat-preservation flue, 11-water vapor pipeline, 12-the first counter pressure turbine, 13-R245fa steam-pipe, 14-R245fa drum, 15-three-phase brushless inductive asynchronous generator, the 16-wheel box, 17-lower boiling refrigerating unit, the 18-working medium pump, 19-working medium well heater, 20-working medium vaporizer, the 21-regulated valve, the 22-water-circulating pump, 23-kettle cylinder, the 24-water evaporimeter, 25-hot water header, the 26-economizer, the 27-water pump, the 28-booster fan, the 29-electrically operated valve, the 30-exhaust blower, 31-AOD stove, 32-the second counter pressure turbine, the 33-bimedia boiler.
Embodiment
Following the utility model is further described in connection with the embodiment in the accompanying drawing:
The utility model mainly comprises variable flow type fume hood of roof 1, spark collection-type low-pressure impulse sack cleaner 4, aiutage 5, motor-driven carrier 6, water-cooled close arranging pipe suction inlet cover 7, smoke deflector extraction hood 8, combustion settling chamber 9, the first counter pressure turbine 12, R245fa drum 14, three-phase brushless inductive asynchronous generator 15, wheel box 16, lower boiling refrigerating unit 17, working medium well heater 19, working medium vaporizer 20, kettle cylinder 21, water evaporimeter 24, hot water header 25, economizer 26, booster fan 28, exhaust blower 30, the second counter pressure turbine 32 and bimedia boiler 33.
Variable flow type fume hood of roof 1 is arranged on the interior factory building roof truss of AOD stove 31 top scopes, forms a pyramid by a plurality of enclosings, and cone wallboard inclination angle is take 45 ~ 60 ℃ as good.Be provided with the water conservancy diversion speeding up plate in variable flow type fume hood of roof 1, at four angles movable parallel linkage speed adjusting plate be housed, water conservancy diversion speeding up plate and movable parallel linkage speed adjusting plate are used for improving variable flow type fume hood of roof 1 section and inhale the speed of catching flue dust.The Main Function of variable flow type fume hood of roof 1 is to store AOD stove a large amount of dust-laden hot gas flow flue dust that moment produces in the processes such as reinforced and tapping.
Described variable flow type fume hood of roof 1 connects spark collection-type low-pressure impulse sack cleaners 4 by low-temperature steel pipeline 2, is provided with mixer selector valve 3 at the blast inlet of spark collection-type low-pressure impulse sack cleaner 4.Described low-temperature steel pipeline 2 is provided with electrically operated valve 29, and anti-corrosive paint on low-temperature steel pipeline 2 surface brush is for the protection of pipeline.Described mixer selector valve 3 to the requirement of temperature, is directly sneaked into cold wind to high-temperature flue gas according to system design and dust removal installation, to reach the purpose of flue gas cool-down, protects whole dust-removal system.Described spark collection-type low-pressure impulse sack cleaner 4 is exclusively used in the purification of the high-temperature flue gas of AOD stove, electric furnace, converter, mineral hot furnace, rotary kiln etc.After high-temperature flue gas entered spark collection-type low-pressure impulse sack cleaner 4, process grid frame plate was first going in the ash bucket that puts out and coarse particles once is deposited to the below with remaining spark.Described grid frame plate welds every box plate mutually with the air channel, through symmetrical expression flow deflector in each inlet plenum medium grain again under the secondary settlement and fall in the ash bucket.The gas that enters forms quafric curve and flows to, and makes each chamber flow velocity evenly and plays shock absorption.Described symmetrical expression flow deflector is into Wave curved shape diaphragm, and its flue gas is little by resistance, effectively reduces the temperature of flue gas.Air after the purification enters in the air-purifying chamber on spark collection-type low-pressure impulse sack cleaner top, and passes through the off-line valve to the chamber, exhaust passage, discharges at last the spark collection-type low-pressure impulse sack cleaner.Dust on filter bag reaches certain thickness, when dust remover resistance is increased to set(ting)value, controlling one of them chamber off-line valve with PLC closes and opens pulse valve again, pressurized air is through injection tube in the gas bag, nozzle is made injection, vibration and the blowback filter bag of moment to filter bag, the dust layer fragmentation is come off, and dust leaves filter bag, falls into ash bucket.Ash-removal effect is good like this, does not produce contrary air-flow.The box plate of whole device is made with swaging plate and stiffening web, and simultaneously each chamber separation separates, and support increases its bulk strength with the framework scissors that the triangle inclined strut transverse force causes, and particularly meets the blast requirement on the anti-intensity of tumbling.
The air outlet of described spark collection-type low-pressure impulse sack cleaner 4 connects aiutage 5 by smoke discharging pipe, and smoke discharging pipe is provided with exhaust blower 30, will enter aiutage 5 through the waste gas of dedusting by exhaust blower 30, then enters atmosphere.
Smoke deflector extraction hood 8 is set below variable flow type fume hood of roof 1, smoke deflector extraction hood 8 adopts the lined sound insulation deadener of metal frame to make, the generations flue gases such as, tapping reinforced to the AOD stove and melting lead and enter variable flow type fume hood of roof 1, and arc light, noise and the radiation etc. of AOD stove generation when smelting are effectively absorbed and block.
The motor-driven carrier 6 that can move is set above the outlet of AOD stove 31, hangs water-cooled close arranging pipe suction inlet cover 7 on the motor-driven carrier 6.Described water-cooled close arranging pipe suction inlet cover 7 interior a plurality of water cooled pipelines that dense arrangement is set, its spread geometry is different in nature tube shape.This structure is sneaked into cold wind and is increased so that fire door CO burning is more abundant, and heat-transfer capability is large, and the water route is clear and definite, and is stable.
Described water-cooled close arranging pipe suction inlet cover 7 rear ends connect combustion settling chamber 9, and combustion settling chamber 9 adopts high alumina bricks to be made into arch, combustion settling chamber 9 in by the full-dry method burn off toxic and harmful dioxin that burns.Adopt full-dry method to produce carbon dioxide content and will reduce about 25% than full wet method generation carbon dioxide content, little to the pollution of environment.Adopting full-dry method to obtain is dried flue dust, and equipment is not had corrosive nature, has prolonged the work-ing life of equipment.
Described combustion settling chamber 9 connects bimedia boiler 33 by heat-insulation and heat-preservation flue 10, is provided with hot water header 25 in the bimedia boiler 33.Described hot water header 25 1 ends connect economizer 26, and the other end connects water evaporimeter 24, and the pipe-shell-type exchangers of horizontal type is set in economizer 26 and the water evaporimeter 24.One end of described economizer 26 connects water pump 27, and cold water is squeezed in the economizer 26 by water pump 27.The hot flue gas that enters bimedia boiler 33 heats the water in the economizer 26, and hot water enters hot water header 25, then enters water evaporimeter 24 and produces steam.Described water evaporimeter 24 connects the first counter pressure turbine 12 by water vapor pipeline 11, and water vapor pipeline 11 is provided with kettle cylinder 23.Be provided with water-circulating pump 22 between described kettle cylinder 23 and the hot water header 25, for the water extraction in the hot water header 25 supplies power.Out water vapor enters kettle cylinder 23 from water evaporimeter 24, and kettle cylinder 23 separates carbonated drink.Separate gas later and enter 12 its work of promotion of the first counter pressure turbine by water vapor pipeline 11.
R245fa is 1,1,1,3, the 3-pentafluoropropane is the liquid carbon hydrofluoride, water white transparency, proportion is greater than water, have lower boiling point and higher vapor pressure, its steam thermal conductivity is higher than CFC-11, and R245fa does not have point of ignition and flash-point, do not have combustion limits, in air, can not form burning and blast.Its ODP is zero, namely to atmospheric ozone layer without destruction, being can CFC alternative, the compound of HCFC class such as R11, R12, R141b.Its Greenhouse effect value GWP is 950, only is 20% of CFC-11.R245fa belongs to non-VOC, and volatilization gas exists the time limit far below CFC-11 in atmospheric layer.Toxicity research shows that the actual toxicity of R245fa is suitable with R141b, even lower.
R245fa working medium enters in the working medium well heater 19 by working medium pump 18 from lower boiling refrigerating unit 17, and working medium well heater 19 1 ends connect working medium vaporizer 20.Out steam enters working medium vaporizer 20 from the first counter pressure turbine 12, carries out heat exchange with the R245fa working medium in the working medium vaporizer 20.Hot water in the described hot water header 25 enters 20 pairs of R245fa working medium of working medium vaporizer by regulated valve 21 and carries out heat exchange.R245fa working medium in the working medium vaporizer 20 becomes gaseous state through after the heat exchange, then enters the second counter pressure turbine 32 through R245fa steam-pipe 13.R245fa steam-pipe 13 is provided with R245fa drum 14, from working medium vaporizer 20 R245fa liquid vapour mixture out, carries out liquid gas to 14 li of R245fa drums and separates, and gas goes to the second counter pressure turbine 32, and liquid separation is got off.Out cold water enters economizer 26 by water pump again from working medium well heater 19, finishes whole circulation.
Described the first counter pressure turbine 12 and the second counter pressure turbine 32 are connected on the wheel box 16 by same axle, and wheel box 16 connects three-phase brushless inductive asynchronous generator 15.Enter lower boiling refrigerating unit 17 cooling from the second counter pressure turbine 32 R245fa working medium out, and again enter by working medium pump 18 and to carry out heat exchange in the working medium well heater 19.Described the first counter pressure turbine 12 and the second counter pressure turbine 32 adopt axial-flow turbine, rotating speed 6500r/min.The turbine housing material is generally carbon steel, and blade is steel alloy, and axle is the high-grade alloy steel manufacturing.Adopt pressure lubrication bearing or graphite bearing, turbine internal efficiency about 70%.
The waste gas of finishing heat exchange in bimedia boiler 33 is discharged to and carries out dedusting in the spark collection-type low-pressure impulse sack cleaner 4 by being located at booster fan 28 on the low-temperature steel pipeline 2.Booster fan adopts the variable frequency work mode.
AOD converter 31 is when normal the smelting, and flue gas mainly captures by the fire door top; Flue gas is to capture 1 by the variable flow type fume hood of roof in blowing argon gas, reinforced, tapping.
The hot flue gas that AOD converter 31 is discharged carries out heat exchange with water evaporimeter 24 and working medium vaporizer 20 under the suction function of booster fan 28, the low temperature waste gas after the heat exchange enters atmosphere by aiutage 5 after by 4 dedustings of spark collection-type low-pressure impulse sack cleaner.Water and the organic working medium R245fa of sealing and circulating passed to heat energy by the heat exchange convection current by water evaporimeter 24 and working medium vaporizer 20, after being heated, water and organic working medium reach boiling point and vaporization, then enter the first counter pressure turbine 12 and the second counter pressure turbine 32, generate electricity.Weary gas after the acting flows out from turbine outlet, enters that lower boiling refrigerating unit 17 is interior to be cooled to liquid with it, and then this enters circulation.Its process is called as Rankine cycle.Take water as the working medium recovered temperature at the high-temperature tail gas waste heat more than 300 ℃, the low temperature exhaust gas waste heat take R245fa as the working medium recovered temperature in 85 ℃ ~ 300 ℃ scopes, waste heat all is utilized effectively.

Claims (10)

1. an argon oxygen decarburization converter dust-removing reaches two medium afterheat generating systems, comprise variable flow type fume hood of roof (1), spark collection-type low-pressure impulse sack cleaner (4), aiutage (5), motor-driven carrier (6), water-cooled close arranging pipe suction inlet cover (7), smoke deflector extraction hood (8), combustion settling chamber (9) and exhaust blower (30), variable flow type fume hood of roof (1) connects spark collection-type low-pressure impulse sack cleaner (4) by low-temperature steel pipeline (2), is provided with mixer selector valve (3) at the blast inlet of spark collection-type low-pressure impulse sack cleaner (4); In variable flow type fume hood of roof (1) lower end smoke deflector extraction hood (8) is set; The air outlet of described spark collection-type low-pressure impulse sack cleaner (4) connects aiutage (5) by smoke discharging pipe, and smoke discharging pipe is provided with exhaust blower (30); Hang water-cooled close arranging pipe suction inlet cover (7) on the described motor-driven carrier (6); Described water-cooled close arranging pipe suction inlet cover (7) rear end connects combustion settling chamber (9), it is characterized in that: also comprise the first counter pressure turbine (12), R245fa drum (14), three-phase brushless inductive asynchronous generator (15), wheel box (16), lower boiling refrigerating unit (17), working medium well heater (19), working medium vaporizer (20), kettle cylinder (21), water evaporimeter (24), hot water header (25), economizer (26), booster fan (28), the second counter pressure turbine (32) and bimedia boiler (33), described combustion settling chamber (9) connects bimedia boiler (33) by heat-insulation and heat-preservation flue (10), be provided with hot water header (25) in the bimedia boiler (33), hot water header (25) one ends connect economizer (26), and the other end connects water evaporimeter (24); One end of described economizer (26) connects water pump (27); Described water evaporimeter (24) connects the first counter pressure turbine (12) by water vapor pipeline (11), and water vapor pipeline (11) is provided with kettle cylinder (23);
Described lower boiling refrigerating unit (17) connects working medium well heater (19), and working medium well heater (19) one ends connect working medium vaporizer (20), and working medium vaporizer (20) connects the second counter pressure turbine (33) by R245fa steam-pipe (13); Described R245fa steam-pipe (13) is provided with R245fa drum (14); Described working medium vaporizer (20) is connected with the first counter pressure turbine (12), and the second counter pressure turbine (33) is connected with lower boiling refrigerating unit (17); Described hot water header (25) is connected with working medium vaporizer (20), between hot water header (25) and the working medium vaporizer (20) regulated valve (21) is set; Described the first counter pressure turbine (12) and the second counter pressure turbine (32) are connected on the wheel box (16) by same axle, and wheel box (16) connects three-phase brushless inductive asynchronous generator (15).
2. argon oxygen decarburization converter dust-removing as claimed in claim 1 reaches two medium afterheat generating systems, it is characterized in that: described variable flow type fume hood of roof (1) forms a pyramid by a plurality of enclosings, and cone wallboard inclination angle scope is 45 ~ 60 ℃.
3. argon oxygen decarburization converter dust-removing as claimed in claim 1 reaches two medium afterheat generating systems, and it is characterized in that: described low-temperature steel pipeline (2) is provided with electrically operated valve (29).
4. argon oxygen decarburization converter dust-removing as claimed in claim 1 and two medium afterheat generating system is characterized in that: described smoke deflector extraction hood (8) employing metal frame, liner sound insulation deadener.
5. argon oxygen decarburization converter dust-removing as claimed in claim 1 and two medium afterheat generating system is characterized in that: a plurality of water cooled pipelines that dense arrangement is set in the described water-cooled close arranging pipe suction inlet cover (7).
6. argon oxygen decarburization converter dust-removing as claimed in claim 1 reaches two medium afterheat generating systems, it is characterized in that: described combustion settling chamber (9) adopts high alumina brick to be made into arch.
7. argon oxygen decarburization converter dust-removing as claimed in claim 1 and two medium afterheat generating system is characterized in that: be provided with water-circulating pump (22) between described kettle cylinder (23) and the hot water header (25).
8. argon oxygen decarburization converter dust-removing as claimed in claim 1 and two medium afterheat generating system is characterized in that: be provided with working medium pump (18) between described lower boiling refrigerating unit (17) and the working medium well heater (19).
9. argon oxygen decarburization converter dust-removing as claimed in claim 1 reaches two medium afterheat generating systems, it is characterized in that: described bimedia boiler (33) is connected with spark collection-type low-pressure impulse sack cleaner (4) by low-temperature steel pipeline (2).
10. argon oxygen decarburization converter dust-removing as claimed in claim 1 and two medium afterheat generating system is characterized in that: be provided with booster fan (28) between described bimedia boiler (33) and the spark collection-type low-pressure impulse sack cleaner (4).
CN201220348036.5U 2012-07-17 2012-07-17 Argon oxygen decarburization converter dust removing and double-medium waste heat generation system Expired - Fee Related CN202755020U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102776326A (en) * 2012-07-17 2012-11-14 无锡三达环保科技有限公司 Dust removal and two-medium waste heat generation system for argon oxygen decarburization converter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102776326A (en) * 2012-07-17 2012-11-14 无锡三达环保科技有限公司 Dust removal and two-medium waste heat generation system for argon oxygen decarburization converter
CN102776326B (en) * 2012-07-17 2013-12-04 无锡三达环保科技有限公司 Dust removal and two-medium waste heat generation system for argon oxygen decarburization converter

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