CN203768383U - Minter-process slag flushing water waste heat utilized triple supplying system for blast furnace - Google Patents
Minter-process slag flushing water waste heat utilized triple supplying system for blast furnace Download PDFInfo
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- CN203768383U CN203768383U CN201420130264.4U CN201420130264U CN203768383U CN 203768383 U CN203768383 U CN 203768383U CN 201420130264 U CN201420130264 U CN 201420130264U CN 203768383 U CN203768383 U CN 203768383U
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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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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Abstract
The utility model relates to a Minter-process slag flushing water waste heat utilized triple supplying system for a blast furnace. The Minter-process slag flushing water waste heat utilized triple supplying system comprises a granulating device, wherein the granulating device is sequentially communicated with a slag-water separation device, a precipitation tank and a precipitating heat storage tank; the precipitating heat storage tank is connected with a first inlet of a heat exchange device through a waste heat water supplying pump set, a first outlet of the heat exchange device is communicated with a granulating water storage tank, a second inlet of the heat exchange device is connected with an outlet of a heating user and a first outlet of a refrigeration mechanism respectively through a heating water supplying pump set, an inlet of the heating user and a first inlet of the refrigeration mechanism are communicated with a second outlet of the heat exchange device, a second inlet of the refrigeration mechanism is communicated with a second outlet of the refrigeration mechanism through an indoor refrigeration user and a dehumidified blasting user, and an outlet of the granulating water storage tank is communicated with the granulating device through a granulating water supplying pump set. The system is applied to triple supplying, namely heating, refrigeration and blast furnace dehumidified blasting, the heat efficiency is high, and the quality of water is stable.
Description
Technical field
The utility model relates to a kind of bootstrap system, relates in particular to a kind of blast furnace Ming Tefa 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 whole 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, is consuming the energy, is promoting when material changes to 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.
Ming Tefa technique is one of current Steel Plant residues processing technique; this technique is directly delivered to high-temperature liquid state slag in granulating device cooling by the high velocity flow shrend spraying; form particulate state grain slag; slag-water slurry is transported to separating device for water with dregs (grain slag processing machine and strainer), and to carry out pulp water separated; slag after separation is transported by grain slag belt; and remaining high temperature flushing cinder water enters settling 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 in the time of energy dissipation, have also been caused.
At present, domestic the utilization of blast furnace slag quenching water waste heat is mainly concentrated to northerly iron and steel enterprise, 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 exploitation using exhaust heat of slag flushing water to 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.But 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 containing 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 there is 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 Ming Tefa 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 Ming Tefa using exhaust heat of slag flushing water utilizes combined supply system, it includes granulating device, the outlet of described granulating device is connected with the import of separating device for water with dregs, the outlet of separating device for water with dregs is connected with the import of settling tank, the outlet of settling tank is connected with the import in 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 granulating device 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 granulating device top by vapor recovery spray pump group.Described vapor recovery spray pump group and vapor-recovery unit, not only make full use of system latent heat, and reduce steam and dissipate, and realizes energy-conserving and environment-protective.
Press such scheme, the ingress in described precipitation accumulation of heat pond is provided with filter residue screen.
Press such scheme, described precipitation accumulation of heat pond and the top of settling tank are provided with heat-preserving cover plate, and described precipitation accumulation of heat pond and the wall of settling tank are provided with insulation shell.
Press such scheme, between waste heat working shaft group and heat-exchanger rig, be provided with filtration unit, described filtration unit adopts macrobead quartz sand, grain steel is as filtrate or adopt self-cleaning filter, further increase water quality, alleviate fouling disadvantageous effect, extend heat-exchanger rig work-ing life, save cost.
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, 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.The regular heat exchanging device of this chemically-cleaning device cleans, and extends heat-exchanger rig work-ing life, saves cost.
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.
Described separating device for water with dregs is positioned at granulating device downstream, and separating device for water with dregs high temperature flushing cinder water out directly enters settling tank, and settling tank and precipitation accumulation of heat pond shell be provided with heat-preserving cover plate and insulation shell, reduces thermosteresis.Described precipitation accumulation of heat pond import, settling tank water side arranges filter residue screen, can improve precipitation accumulation of heat pond influent quality.Described heat accumulate regulation pond possesses precipitation, heat accumulation function, has overcome separating device for water with dregs, the settling tank halfway shortcoming that removes the gred, and improves system water quality, improves security of system, guarantees subsequent user steady running.
From separating device for water with dregs high temperature flushing cinder water out, directly enter settling tank, the water overflow of settling 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.Described 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, and when 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 the slag processing granulation recycle system and uses.Be that 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, whenever all do not affect the operation of slag disposal system.
Described heat accumulate regulation pond increased hot water savings amount, overcome that the discontinuous thermal water source who causes of tap cinder is not enough, water temperature de-stabilising effect, can provide stable thermal source for heating and refrigeration consumer.Described heat-exchanger rig adopts board-like or tubular heat exchanger, has the features such as heat exchange efficiency is high, corrosion-resistant and less scaling.
The utility model is after settling 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, settling tank 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, through waste heat working shaft group, pressurization enters interchanger after device after filtration, flushing cinder water after heat exchange cooling is got back in granulation water reservoir, through granulation working shaft group flushing cinder, uses; During summer, heat-eliminating medium in interchanger after heat exchange heats up is delivered to refrigeration mechanism through heating working shaft group, for refrigeration and blast furnace blast dehumidification, in the time of in the winter time, in interchanger, the heat-eliminating medium 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 "; When 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 granulating device top, to reduce steam, dissipates, and makes full use of system latent heat.System is provided with chemically-cleaning device, 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 Ming Tefa 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, this blast furnace Ming Tefa using exhaust heat of slag flushing water utilizes combined supply system winter for heating, 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 water reservoir and granulation water reservoir is referred to as heat accumulate regulation pond, and it has increased hot water savings amount, overcome that the discontinuous thermal water source who causes of tap cinder is not enough, the unsettled impact of water temperature, can provide stable thermal source for heating and refrigeration consumer.4, heat accumulate regulation pond possesses 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 the stable flushing cinder water that utilizes of subsequent user.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 interchanger for the feature of the easy fouling of flushing cinder water, system is provided with chemically-cleaning device, the regular heat exchanger of this chemically-cleaning device inside is cleaned, and extends interchanger work-ing life, saves cost, solves fouling of heat exchangers problem.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present utility model.
In figure: 1, granulating device; 2, separating device for water with dregs; 3, settling 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; 201, sluice; 202, grain slag processing machine; 203, strainer; 101, hot water operated absorption refrigerating machine's group; 102, heat-eliminating medium transferpump.
Embodiment
Below in conjunction with accompanying drawing, further illustrate embodiment of the present utility model.
Referring to Fig. 1, a kind of blast furnace Ming Tefa using exhaust heat of slag flushing water utilizes combined supply system, it comprises the granulating device 1 matching with blast furnace, the outlet of described granulating device 1 is connected with the import of separating device for water with dregs 2, the outlet of separating device for water with dregs 2 is connected with the import of settling tank 3, the outlet of settling tank 3 is connected with the import in precipitation accumulation of heat pond 5, the outlet in precipitation accumulation of heat pond 5 is connected with the first import of heat-exchanger rig 9 with filtration unit 8 by waste heat working shaft group 7 successively, the first outlet of heat-exchanger rig 9 is connected with the import of granulation water reservoir 6, 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 granulating device 1 by granulation working shaft group 17.
In the present embodiment, 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.Described granulation water reservoir 6 is connected with the vapor-recovery unit 19 that is positioned at granulating device 1 top by vapor recovery spray pump group 18.Described vapor recovery spray pump group 18 and vapor-recovery unit 19, not only make full use of system latent heat, and reduce steam and dissipate, energy-conserving and environment-protective.Described filtration unit 8 adopts macrobead quartz sands, grain steel is as filtrate or adopt self-cleaning filter, further increases water quality, and alleviates fouling disadvantageous effect, extends 9 work-ing lifes of heat-exchanger rig, thereby saves cost.The first import of described heat-exchanger rig 9 is connected with the outlet of chemically-cleaning device 15 by chemical cleaning pump group 14, and the import of chemically-cleaning device 15 is connected with the first outlet of heat-exchanger rig 9.The regular heat exchanging device 9 of this chemically-cleaning device 15 cleans, and extends 9 work-ing lifes of heat-exchanger rig, saves cost.
In the utility model, separating device for water with dregs 2 comprises sluice 201, grain slag processing machine 202 and strainer 203.Refrigeration mechanism comprises that hot water operated absorption refrigerating machine organizes 101 and heat-eliminating medium transferpump 102.
In order further to purify water, the ingress in described precipitation accumulation of heat pond 5 is provided with filter residue screen 4.In order to reduce thermosteresis, can above precipitation accumulation of heat pond 5 and settling tank 3, establish heat-preserving cover plate, at the wall of precipitation accumulation of heat pond 5 and settling tank 3, establish insulation shell.
Flushing cinder water contacts with the blast furnace slag of high-temperature fusion at granulating device 1; produce a large amount of steam and high temperature flushing cinder water; slag-water slurry is realized the separated of slag and water through separating device for water with dregs 2; slag by belt-conveying to grain slag stockyard; water enters settling tank 3 by water delivery open channel; in flushing cinder water, residual most of solid impurity particle is deposited on settling 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 in heat-exchanger rig 9,9 li of heat-exchanger rigs, 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; The water outlet after heat exchange cooling of flushing cinder water is got back in granulation water reservoir 6.In summer, the cold that de-salted water (soft water) after heat-exchanger rig 9 heats up produces through refrigeration mechanism 10 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 after being utilized (soft water) is got back to heat-exchanger rig 9 again through heating working shaft group 14, again carry out heat exchange, form 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 heat-exchanger rig 9 heats up enters heating user 11, backwater is got back to heat-exchanger rig 9 again by heating working shaft group 14 afterwards, again carries out heat exchange, forms the heating circulation system of another sealing.17 water intakings of the below from granulation water reservoir of granulation working shaft group, enter granulating device 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.At heat-exchanger rig, after 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 9 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 granulating device 1 top, for the high-temperature steam at retrieving arrangement 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 can make using exhaust heat of slag flushing water utilization obtain annual utilization, and thermo-efficiency is high, fully reclaims granulating device overhead vapor, 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 heat-exchanger rig 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 Ming Tefa using exhaust heat of slag flushing water utilizes combined supply system, it includes granulating device, the outlet of described granulating device is connected with the import of separating device for water with dregs, the outlet of separating device for water with dregs is connected with the import of settling tank, it is characterized in that: the outlet of settling tank is connected with the import in 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 granulating device by granulation working shaft group.
2. blast furnace Ming Tefa 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 Ming Tefa 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 granulating device top by vapor recovery spray pump group.
4. blast furnace Ming Tefa 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 Ming Tefa using exhaust heat of slag flushing water as claimed in claim 1 or 2 utilizes combined supply system, it is characterized in that: described precipitation accumulation of heat pond and the top of settling tank are provided with heat-preserving cover plate, and described precipitation accumulation of heat pond and the wall of settling tank are provided with insulation shell.
6. blast furnace Ming Tefa 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 Ming Tefa 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 Ming Tefa 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. blast furnace Ming Tefa using exhaust heat of slag flushing water as claimed in claim 1 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420130264.4U CN203768383U (en) | 2014-01-13 | 2014-03-21 | Minter-process slag flushing water waste heat utilized triple supplying system for blast furnace |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017188 | 2014-01-13 | ||
| CN201420017188.6 | 2014-01-13 | ||
| CN201420130264.4U CN203768383U (en) | 2014-01-13 | 2014-03-21 | Minter-process slag flushing water waste heat utilized triple supplying system for blast furnace |
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| CN203768383U true CN203768383U (en) | 2014-08-13 |
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| CN201420130264.4U Withdrawn - After Issue CN203768383U (en) | 2014-01-13 | 2014-03-21 | Minter-process slag flushing water waste heat utilized triple supplying system for blast furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103834754A (en) * | 2014-01-13 | 2014-06-04 | 中冶南方工程技术有限公司 | Waste-heat utilization triple generation system for blast furnace slag water employing minter process |
| CN104567442A (en) * | 2014-12-31 | 2015-04-29 | 北京京诚科林环保科技有限公司 | Afterheat refrigerating system for slag flushing water of blast furnace |
| CN107557506A (en) * | 2016-06-30 | 2018-01-09 | 鞍钢股份有限公司 | A kind of blast furnace slag quenching water afterheat utilizing system and method |
-
2014
- 2014-03-21 CN CN201420130264.4U patent/CN203768383U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103834754A (en) * | 2014-01-13 | 2014-06-04 | 中冶南方工程技术有限公司 | Waste-heat utilization triple generation system for blast furnace slag water employing minter process |
| CN103834754B (en) * | 2014-01-13 | 2015-11-18 | 中冶南方工程技术有限公司 | Blast furnace Ming Tefa using exhaust heat of slag flushing water utilizes combined supply system |
| CN104567442A (en) * | 2014-12-31 | 2015-04-29 | 北京京诚科林环保科技有限公司 | Afterheat refrigerating system for slag flushing water of blast furnace |
| CN107557506A (en) * | 2016-06-30 | 2018-01-09 | 鞍钢股份有限公司 | A kind of blast furnace slag quenching water afterheat utilizing system and method |
| CN107557506B (en) * | 2016-06-30 | 2019-03-26 | 鞍钢股份有限公司 | A kind of blast furnace slag quenching water afterheat utilizing system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20151118 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |