CN203768382U - Combined cooling, heating and power system for blast furnace rotary drum process slag flushing water waste heat utilization - Google Patents

Combined cooling, heating and power system for blast furnace rotary drum process slag flushing water waste heat utilization Download PDF

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Publication number
CN203768382U
CN203768382U CN201420130257.4U CN201420130257U CN203768382U CN 203768382 U CN203768382 U CN 203768382U CN 201420130257 U CN201420130257 U CN 201420130257U CN 203768382 U CN203768382 U CN 203768382U
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China
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heat
granulation
water
outlet
rotary drum
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Withdrawn - After Issue
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CN201420130257.4U
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Chinese (zh)
Inventor
彭小平
朱少华
赵金标
丁煜
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Wisdri Engineering and Research Incorporation Ltd
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Wisdri Engineering and Research Incorporation Ltd
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Priority to CN201420017190 priority
Application filed by Wisdri Engineering and Research Incorporation Ltd filed Critical Wisdri Engineering and Research Incorporation Ltd
Priority to CN201420130257.4U priority patent/CN203768382U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies

Abstract

The utility model relates to a combined cooling, heating and power system for blast furnace rotary drum process slag flushing water waste heat utilization. The combined cooling, heating and power system comprises a granulation tower, wherein the granulation tower is sequentially communicated with a rotary drum, a hot water tank and a thermal storage regulating tank; the thermal storage regulating tank comprises a sedimentation thermal storage tank and a granulation water storage tank; the sedimentation thermal storage tank is connected with a first inlet of a heat exchange device through a waste heat water supply pump group; a first outlet of the heat exchange device is communicated with the granulation water storage tank; a second inlet of the heat exchange device is respectively connected with a heating user and a first outlet of a refrigerating mechanism through a heating water supply pump group; the heating user and a first inlet of the refrigerating mechanism are communicated with a second outlet of the heat exchange device; a second inlet of the refrigerating mechanism is communicated with an indoor refrigerating user and a dehumidifying blasting user which are both communicated with a second outlet of the refrigerating mechanism; and the granulation water storage tank is communicated with the granulation tower through a granulation water supply pump group. The system is used for heating, refrigerating or combined cooling, heating and power for blast furnace dehumidifying blasting and is stable in water quality.

Description

Blast furnace rotary drum method using exhaust heat of slag flushing water utilizes combined supply system
Technical field
The utility model relates to a kind of bootstrap system, relates in particular to a kind of blast furnace rotary drum method using exhaust heat of slag flushing water and utilizes combined supply system.
Background technology
The energy is the basis that the mankind depend on for existence.China is having the second in the world great energy system, but Energy resources occupancy volume is only 1/2 of world standard per capita, and overall energy use efficiency is seriously on the low side with respect to developed country.In the face of this reality, the task of save energy is urgent and arduous.Steel industry, as mainstay of the national economy industry, plays an important role in China's modernization construction, but is power consumption and heavy polluter, in consuming the energy, the transformation of promotion material, can produce a large amount of residual heat and energies.The recovery utilization rate of iron and steel industry residual heat and energy is quite low at present.As the waste heat of blast furnace slag quenching water, mostly consumed.Therefore the low temperature exhaust heat of steel industry exists huge recovery potentiality.
Rotary drum method technique is one of current Steel Plant residues processing technique; this technique is directly high-temperature liquid state slag to be delivered to granulation tower; cooling by the high velocity flow shrend spraying in granulation tower; form particulate state grain slag; slag-water slurry is transported in rotary drum and carries out pulp water separation, and the slag after separation is transported by grain slag belt, and remaining flushing cinder water temp generally can reach 90 DEG C of left and right; the flushing cinder water of high temperature enters hot water tank by sluice, after preliminary sedimentation by granulation working shaft cycling and reutilization.In blast furnace smelting process, every production 1t molten iron produces the blast furnace slag of about 0.3t, the heat that blast furnace slag is taken away accounts for 16% of blast furnace total energy consumption, these heats substantially all enter flushing cinder water, and along with the circulation of flushing cinder water is discharged into the atmosphere, water resource waste and thermal pollution when energy dissipation, are also caused.Therefore we need the one can save energy, the bootstrap system of blast furnace slag quenching water that again can protection of the environment.
At present, domestic to mainly concentrated northerly iron and steel enterprise of the utilization of blast furnace slag quenching water waste heat, they are only using blast furnace slag quenching water heat as winter heating thermal source, there is no the thermal source as indoor refrigeration or dehumidified blast summer, do not realize blast furnace slag quenching water " three alliances ", cause UTILIZATION OF VESIDUAL HEAT IN rate variance, therefore need further to develop using exhaust heat of slag flushing water and utilize potential.In existing flushing cinder water practical application engineering, part steel mill, using flushing cinder water as heating agent, directly delivers to heating end.Because pulp water contains a large amount of impurity, very easily cause interchanger and end equipment all to stop up, cause heating system to lose efficacy.And work as interchanger in use for some time, because fouling seriously can only be changed again, with high costs.For contained impurity and suspended substance in flushing cinder water, if adopt conventional thin matter filtrate to filter, very easily cause slag particle to harden in filtration unit, filtering system was lost efficacy; If utilize conventional dosing method to carry out adding of agent,, because medicament under high-temperature condition volatilizees in a large number, cost is huge.Therefore need to have a kind of efficient, feasible blast furnace slag quenching water bootstrap system of exploitation, can be used for heating winter, can be used for indoor refrigeration or dehumidified blast summer, improve efficiency of energy utilization.
Utility model content
It is reliable that technical problem to be solved in the utility model is to provide a kind of water quality, stablizes feasible blast furnace rotary drum method using exhaust heat of slag flushing water and utilize combined supply system, and this system can be used for heating by high temperature flushing cinder water winter, and summer is for indoor refrigeration or dehumidified blast.
The technical scheme that the utility model adopts is: a kind of blast furnace rotary drum method using exhaust heat of slag flushing water utilizes combined supply system, it includes granulation tower, described granulation tower successively with rotary drum, hot water tank is connected, described hot water tank is connected with heat accumulate regulation pond, described heat accumulate regulation pond comprises precipitation accumulation of heat pond and granulation water reservoir, the outlet in described precipitation accumulation of heat pond is connected with the first import of heat-exchanger rig by waste heat working shaft group, the first outlet of heat-exchanger rig is connected with the import of granulation water reservoir, the second import of heat-exchanger rig is connected with heating user's outlet and the first outlet of refrigeration mechanism respectively by heating working shaft group, the first import of heating user's import and refrigeration mechanism is connected with the second outlet of heat-exchanger rig, the second import of refrigeration mechanism is connected with indoor refrigeration consumer outlet and dehumidified blast subscriber's outlet, indoor refrigeration consumer import and dehumidified blast user import are connected with the second outlet of refrigeration mechanism, the outlet of described granulation water reservoir is connected with granulation tower by granulation working shaft group.
Press such scheme, described precipitation accumulation of heat pond is connected by partition wall with granulation water reservoir, and the top of precipitation accumulation of heat pond and granulation water reservoir is connected.
Press such scheme, described granulation water reservoir is connected with the vapor-recovery unit that is positioned at granulation top of tower by vapor recovery spray pump group, not only makes full use of system latent heat, and reduces steam and dissipate, and realizes energy-conserving and environment-protective.
Press such scheme, ingress's instant heating tank water side in described precipitation accumulation of heat pond is provided with filter residue screen, can improve precipitation accumulation of heat pond influent quality.
Press such scheme, the top of described hot water tank, precipitation accumulation of heat pond and granulation water reservoir is provided with heat-preserving cover plate, and the wall in described hot water tank, precipitation accumulation of heat pond and precipitation accumulation of heat pond is provided with insulation shell, to reduce the heat dissipation capacity of hot water for slag flushing.
Connect such scheme, described heat-exchanger rig adopts board-like or tubular heat exchange device, has the features such as heat exchange efficiency is high, corrosion-resistant and less scaling.
Press such scheme, between waste heat working shaft group and heat-exchanger rig, be provided with filtration unit.
Press such scheme, described filtration unit adopts macrobead quartz sand, grain steel as filtrate or self-cleaning filter, further increases water quality, and alleviates fouling disadvantageous effect, extends interchanger work-ing life, saves cost.
Press such scheme, the first import of described heat-exchanger rig is connected with the outlet of chemically-cleaning device by chemical cleaning pump group, and the import of chemically-cleaning device is connected with the first outlet of heat-exchanger rig.This chemically-cleaning device, regularly heat exchanger cleans, and extends interchanger work-ing life, saves cost, solves fouling of heat exchangers problem.
Connect such scheme, described high temperature flushing cinder water is used for heating winter, and for indoor refrigeration or dehumidified blast, realize using exhaust heat of slag flushing water utilization " three alliances " summer, and using exhaust heat of slag flushing water is utilized the whole year, and UTILIZATION OF VESIDUAL HEAT IN efficiency is high.
Directly enter hot water tank from rotary drum high temperature flushing cinder water out, the water overflow of hot water tank enters precipitation accumulation of heat pond, and waste heat working shaft group is utilized for user from the water suction of precipitation accumulation of heat pond, backwater enters granulation water reservoir.Heat accumulate regulation pond is divided into precipitation accumulation of heat pond and granulation water reservoir, is provided with partition wall in the middle of both, and top is communicated with.In the time that waste heat working shaft group is not worked, the water energy overflow in precipitation accumulation of heat pond, to granulation water reservoir, does not affect slag and processes the use of the granulation recycle system.Using exhaust heat of slag flushing water utilization has the recycle system of one's own, not associated with the slag processing granulation recycle system, does not whenever all affect the operation of slag disposal system.
Heat accumulate regulation pond possesses precipitation, heat accumulation function, has overcome rotary drum, the hot water tank halfway shortcoming that removes the gred, and improves system water quality, improves security of system, guarantees subsequent user steady running.Heat accumulate regulation pond has increased hot water savings amount, has overcome the discontinuous thermal water source's deficiency causing of tap cinder, water temperature de-stabilising effect, can provide stable thermal source for heating and refrigeration consumer.System is provided with heat exchange facility, and heat exchange facility adopts board-like or tubular heat exchange device, has the features such as heat exchange efficiency is high, corrosion-resistant and less scaling.
The utility model is after granulation tower, rotary drum, hot water tank, to establish a heat accumulate regulation pond, heat accumulate regulation pond is divided into precipitation accumulation of heat pond and granulation water reservoir two portions, rotary drum hot water for slag flushing in blast furnace is out accumulated in the precipitation accumulation of heat pond in heat accumulate regulation pond through precipitation overflow, pressurize and after facility, enter heat-exchanger rig after filtration through waste heat working shaft group, flushing cinder water after heat exchange utilization cooling is got back in granulation water reservoir, uses through granulation working shaft group flushing cinder; When summer, the heat-eliminating medium that heat-exchanger rig is hankered after exchange heats up is delivered to refrigeration mechanism through heating working shaft group, for refrigeration and blast furnace blast dehumidification.In the winter time time, the heat-eliminating medium in heat-exchanger rig after heat exchange heats up is delivered to heating user through heating working shaft group, realizes blast furnace slag quenching water UTILIZATION OF VESIDUAL HEAT IN " three alliances "; In the time that waste heat working shaft group is not worked, the water energy overflow in precipitation accumulation of heat pond, to granulation water reservoir, does not affect slag and processes the use of the granulation recycle system; The flushing cinder water of granulation water reservoir is delivered to through vapor recovery spray pump group the vapor-recovery unit of being located at granulation top of tower, dissipates to reduce steam, makes full use of system latent heat.System is provided with chemically-cleaning device in addition, and by chemical cleaning pump group routine cleaning interchanger, the slag particle of avoiding interchanger life-time service to cause hardens.
The beneficial effects of the utility model are: 1, this blast furnace rotary drum method using exhaust heat of slag flushing water utilizes combined supply system to have the recycle system of one's own, not associated with the slag processing granulation recycle system, whenever all do not affect the operation of slag disposal system.2, high temperature flushing cinder water is used for heating winter, and for indoor refrigeration or dehumidified blast, realize blast furnace slag quenching water UTILIZATION OF VESIDUAL HEAT IN " three alliances " summer, and using exhaust heat of slag flushing water is utilized the whole year, and UTILIZATION OF VESIDUAL HEAT IN efficiency is high.3, precipitation accumulation of heat pond and granulation water reservoir is referred to as heat accumulate regulation pond, and it has increased hot water savings amount, has overcome the discontinuous unsettled impact of thermal water source's deficiency, water temperature causing of tap cinder, can provide stable thermal source for heating and refrigeration consumer.4, heat accumulate regulation pond has precipitation, heat accumulation function, and waste heat working shaft group outfall sewer is provided with filtration unit, further improves system water quality, improves security of system, guarantees subsequent user steady running.5, system is provided with vapor recovery spray pump group, can make full use of slag system latent heat, reduces steam and dissipates, not only energy-conservation but also environmental protection.6, for heat-exchange equipment for the feature of the easy fouling of flushing cinder water, system is provided with the regular heat exchanging device of chemically-cleaning device inside and cleans, and extends heat-exchanger rig work-ing life, saves cost, solves heat-exchanger rig scale problems.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the present utility model.
In figure: 1, granulation tower; 2, rotary drum; 3, hot water tank; 4, filter residue screen; 5, precipitation accumulation of heat pond; 6, granulation water reservoir; 7, waste heat working shaft group; 8, filtration unit; 9, heat-exchanger rig; 10, refrigeration mechanism; 11, heating user; 12, indoor refrigeration consumer; 13, dehumidified blast user; 14, heating working shaft group, 15, chemically-cleaning device; 16, chemical cleaning pump group; 17, granulation working shaft group; 18, vapor recovery spray pump group; 19, vapor-recovery unit; 20 ~ 42, trip valve; 50, heat accumulate regulation pond; 101, hot water operated absorption refrigerating machine's group; 102, heat-eliminating medium transferpump.
Embodiment
Further illustrate embodiment of the present utility model below in conjunction with accompanying drawing.
Embodiment 1
Referring to Fig. 1, a kind of blast furnace rotary drum method using exhaust heat of slag flushing water utilizes combined supply system, it comprises the granulation tower 1 matching with blast furnace, described granulation tower 1 is connected with rotary drum 2, hot water tank 3, heat accumulate regulation pond 50 successively, described heat accumulate regulation pond 50 comprises precipitation accumulation of heat pond 5 and granulation water reservoir 6, described precipitation accumulation of heat pond 5 is connected by partition wall with granulation water reservoir 6, and the top of precipitation accumulation of heat pond 5 and granulation water reservoir 6 is connected, the outlet in described precipitation accumulation of heat pond 5 is by waste heat working shaft group 7, filtration unit 8 is connected with the first import of heat-exchanger rig 9, the first import of heat-exchanger rig 9 is connected with the outlet of chemically-cleaning device 15 by chemical cleaning pump group 16, the first outlet of heat-exchanger rig 9 is connected with the import of granulation water reservoir 6 and the import of chemically-cleaning device 15, the second import of heat-exchanger rig 9 is connected with heating user 11 outlet and the first outlet of refrigeration mechanism 10 respectively by heating working shaft group 14, the first import of heating user 11 import and refrigeration mechanism 10 is connected with the second outlet of heat-exchanger rig 9, the second import of refrigeration mechanism 10 is connected with indoor refrigeration consumer 12 outlets and dehumidified blast user 13 outlets, indoor refrigeration consumer 12 imports and dehumidified blast user 13 imports are connected with the second outlet of refrigeration mechanism 10, the outlet of described granulation water reservoir 6 is connected with granulation tower 1 by granulation working shaft group 17, described granulation water reservoir 6 is connected with the vapor-recovery unit 19 that is positioned at granulation tower 1 top by vapor recovery spray pump group 18, not only makes full use of system latent heat, and reduces steam and dissipate, and realizes energy-conserving and environment-protective.
In the utility model, the ingress in described precipitation accumulation of heat pond 5, instant heating tank 3 water sides are provided with filter residue grid, and 4, can improve precipitation accumulation of heat pond influent quality.The top of described hot water tank 3, precipitation accumulation of heat pond 5 and granulation water reservoir 6 is provided with heat-preserving cover plate, and the wall in described hot water tank 3, precipitation accumulation of heat pond 5 and precipitation accumulation of heat pond 6 is provided with insulation shell, to reduce the heat dissipation capacity of hot water for slag flushing.Described filtration unit 8 adopts macrobead quartz sand, grain steel as filtrate or self-cleaning filter, further increases water quality, and alleviates fouling disadvantageous effect, extends interchanger work-ing life, saves cost.The described regular heat exchanging device 9 of chemically-cleaning device 16 cleans, and extends 9 work-ing lifes of heat-exchanger rig, saves cost, solves heat-exchanger rig 9 scale problems.Described refrigeration mechanism 10 comprises that hot water operated absorption refrigerating machine organizes 101 and heat-eliminating medium transferpump 102.
Flushing cinder water contacts with the blast furnace slag of high-temperature fusion at granulation tower 1; produce a large amount of steam and high temperature flushing cinder water; slag-water slurry is delivered to rotary drum 2 from granulation tower 1; realize separating of slag and water rotary drum 2 is interior; slag by belt-conveying to grain slag stockyard; water enters the hot water tank 3 under rotary drum; in flushing cinder water, residual most of solid impurity particle is deposited on hot water tank 3 bottoms; water overflow after filter residue screen 4 is accumulated in precipitation accumulation of heat pond 5; precipitation accumulation of heat pond 5 possesses precipitation, heat accumulation function, further improves system water quality and stable water temperature.Waste heat working shaft group 7 is from the below water intaking in precipitation accumulation of heat pond 5, after the backward outer conveying of adherence pressure installs 8 after filtration, enter heat-exchanger rig 9, in heat-exchanger rig 9 the insides, flushing cinder water and de-salted water (soft water) carry out heat exchange, flushing cinder water temperature reduces, and de-salted water (soft water) temperature raises; Granulation water reservoir 6 is got back in the water outlet after heat exchange cooling of flushing cinder water.In summer, de-salted water (soft water) after intensification produces cold through refrigeration mechanism 10, cold is delivered to indoor refrigeration consumer 12 or dehumidified blast user 13 by coolant media, now trip valve 26 and trip valve 28 are opened, trip valve 25 and trip valve 27 are closed, de-salted water (soft water) after being utilized is again got back to heat-exchanger rig 9 through heating working shaft group 14 and is again carried out heat exchange, forms a cooling cycle system.In the winter time, refrigeration mechanism 10 break-ofves, close trip valve 26 and trip valve 28, open trip valve 25 and trip valve 27, de-salted water (soft water) after intensification enters heating user 11, backwater is again got back to heat-exchanger rig 9 by heating working shaft group 14 and is again carried out heat exchange afterwards, forms the heating circulation system of another sealing.17 water intakings of the below from granulation water reservoir 6 of granulation working shaft group, enter granulation tower 1 by transport pipe after adherence pressure, form slag and process the granulation recycle system.In some month in spring, autumn; or when unit cooler and heating system need to be overhauled; unit cooler and heating system may not need operation; now trip valve 20 and trip valve 24 are all closed; the flushing cinder water overflow in precipitation accumulation of heat pond 5, to granulation water reservoir 6, is guaranteed the normal work of blast furnace slag processing system.After heat-exchanger rig operation for some time, need heat exchanging device to clean (when heat-exchanger rig normally uses, open trip valve 22 and trip valve 24, close trip valve 35 and trip valve 37).Now close trip valve 22 and trip valve 24, open trip valve 35 and trip valve 37, open chemical cleaning pump group 16 heat exchanging devices and clean.Vapor recovery spray pump group 18 entrances are taken from granulation water reservoir 6, and it is delivered to cleaner flushing cinder water the vapor-recovery unit 19 at granulation tower 1 top, for reclaiming the high-temperature steam of tower top.
The utility model transport pipe used all needs to be incubated and moistureproof processing, reduces the loss of heat in Pipe transfer process.
In sum, native system is realized blast furnace slag quenching water UTILIZATION OF VESIDUAL HEAT IN " three alliances ", makes using exhaust heat of slag flushing water utilization obtain annual utilization, and thermo-efficiency is high, fully reclaims granulation top of tower steam, realizes energy-conserving and environment-protective; System is provided with precipitation, accumulation of heat and filtration unit, can further improve system water quality, improves security of system, guarantees subsequent user steady running; System is provided with chemically-cleaning device, extends interchanger work-ing life, saves cost.Therefore the invention provides a kind of water quality reliable, stablize feasible, the blast furnace slag quenching water bootstrap system of perfect in shape and function.

Claims (9)

1. a blast furnace rotary drum method using exhaust heat of slag flushing water utilizes combined supply system, it includes granulation tower, described granulation tower successively with rotary drum, hot water tank is connected, it is characterized in that: described hot water tank is connected with heat accumulate regulation pond, described heat accumulate regulation pond comprises precipitation accumulation of heat pond and granulation water reservoir, the outlet in described precipitation accumulation of heat pond is connected with the first import of heat-exchanger rig by waste heat working shaft group, the first outlet of heat-exchanger rig is connected with the import of granulation water reservoir, the second import of heat-exchanger rig is connected with heating user's outlet and the first outlet of refrigeration mechanism respectively by heating working shaft group, the first import of heating user's import and refrigeration mechanism is connected with the second outlet of heat-exchanger rig, the second import of refrigeration mechanism is connected with indoor refrigeration consumer outlet and dehumidified blast subscriber's outlet, indoor refrigeration consumer import and dehumidified blast user import are connected with the second outlet of refrigeration mechanism, the outlet of described granulation water reservoir is connected with granulation tower by granulation working shaft group.
2. blast furnace rotary drum method using exhaust heat of slag flushing water as claimed in claim 1 utilizes combined supply system, it is characterized in that: described precipitation accumulation of heat pond is connected by partition wall with granulation water reservoir, and the top of precipitation accumulation of heat pond and granulation water reservoir is connected.
3. blast furnace rotary drum method using exhaust heat of slag flushing water as claimed in claim 1 or 2 utilizes combined supply system, it is characterized in that: described granulation water reservoir is connected with the vapor-recovery unit that is positioned at granulation top of tower by vapor recovery spray pump group.
4. blast furnace rotary drum method using exhaust heat of slag flushing water as claimed in claim 1 or 2 utilizes combined supply system, it is characterized in that: the ingress in described precipitation accumulation of heat pond is provided with filter residue screen.
5. blast furnace rotary drum method using exhaust heat of slag flushing water as claimed in claim 1 or 2 utilizes combined supply system; it is characterized in that: the top of described hot water tank, precipitation accumulation of heat pond and granulation water reservoir is provided with heat-preserving cover plate, the wall in described hot water tank, precipitation accumulation of heat pond and precipitation accumulation of heat pond is provided with insulation shell.
6. blast furnace rotary drum method using exhaust heat of slag flushing water as claimed in claim 1 utilizes combined supply system, it is characterized in that: between waste heat working shaft group and heat-exchanger rig, be provided with filtration unit.
7. blast furnace rotary drum method using exhaust heat of slag flushing water as claimed in claim 6 utilizes combined supply system, it is characterized in that: described filtration unit adopts macrobead quartz sand, grain steel is as filtrate or adopt self-cleaning filter.
8. blast furnace rotary drum method using exhaust heat of slag flushing water as claimed in claim 1 utilizes combined supply system, it is characterized in that: described heat-exchanger rig adopts board-like or tubular heat exchange device.
9. the blast furnace rotary drum method using exhaust heat of slag flushing water as described in claim 1 or 8 utilizes combined supply system, it is characterized in that: the first import of described heat-exchanger rig is connected with the outlet of chemically-cleaning device by chemical cleaning pump group, the import of chemically-cleaning device is connected with the first outlet of heat-exchanger rig.
CN201420130257.4U 2014-01-13 2014-03-21 Combined cooling, heating and power system for blast furnace rotary drum process slag flushing water waste heat utilization Withdrawn - After Issue CN203768382U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201420017190.3 2014-01-13
CN201420017190 2014-01-13
CN201420130257.4U CN203768382U (en) 2014-01-13 2014-03-21 Combined cooling, heating and power system for blast furnace rotary drum process slag flushing water waste heat utilization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420130257.4U CN203768382U (en) 2014-01-13 2014-03-21 Combined cooling, heating and power system for blast furnace rotary drum process slag flushing water waste heat utilization

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103866058A (en) * 2014-01-13 2014-06-18 中冶南方工程技术有限公司 Triple-generation system for utilizing slag-washing water afterheat by using blast furnace drum method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103866058A (en) * 2014-01-13 2014-06-18 中冶南方工程技术有限公司 Triple-generation system for utilizing slag-washing water afterheat by using blast furnace drum method
CN103866058B (en) * 2014-01-13 2015-11-11 中冶南方工程技术有限公司 Blast furnace rotary drum method using exhaust heat of slag flushing water utilizes combined supply system

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