CN110205418A - A kind of pressure type blast furnace red dregs waste heat recycling system and method - Google Patents
A kind of pressure type blast furnace red dregs waste heat recycling system and method Download PDFInfo
- Publication number
- CN110205418A CN110205418A CN201810675595.9A CN201810675595A CN110205418A CN 110205418 A CN110205418 A CN 110205418A CN 201810675595 A CN201810675595 A CN 201810675595A CN 110205418 A CN110205418 A CN 110205418A
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- China
- Prior art keywords
- water
- heat
- vapor
- flushing cinder
- slag
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- 238000004064 recycling Methods 0.000 title claims abstract description 28
- 239000002918 waste heat Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000011010 flushing procedure Methods 0.000 claims abstract description 123
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 239000003818 cinder Substances 0.000 claims abstract description 95
- 239000002893 slag Substances 0.000 claims abstract description 84
- 238000005406 washing Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000010079 rubber tapping Methods 0.000 claims description 13
- 230000003020 moisturizing effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 230000000505 pernicious effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- 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
Abstract
The invention discloses a kind of pressure type blast furnace red dregs waste heat recycling system and methods.Belong to blast furnace red dregs processing technology field, it is characterized in that: including at least flushing cinder unit, vapor condensing heat-exchange unit and washing slag water heat exchange unit；Flushing cinder unit bottom is connect by pipeline valve with washing slag water heat exchange unit；It is connect by pipeline valve with vapor condensing heat-exchange unit at the top of flushing cinder unit.It sufficiently recycles waste heat to collect by traditional sluice, Chi Gaiwei pressure application flushing cinder pond, and to the vapor that flushing cinder generates.The present invention is suitable for the iron and steel enterprise more demanding to environmental Kuznets Curves.
Description
Technical field
The invention discloses a kind of pressure type blast furnace red dregs waste heat recycling system and methods.Belong to blast furnace red dregs processing
Technical field.
Background technique
Blast furnace red dregs are using the flushing cinder mode that water jetting is that steel industry generallys use, its advantage is that the small operation operation of investment
Simplicity, and a large amount of waste water can be consumed.But the disadvantage is that seriously pollution air environment wastes a large amount of heat, as country saves
Energy environmental requirement is increasingly stringent, and drawback increasingly shows by the way of flush slag.It is that a large amount of water caused by flushing cinder steam first
Gas causes seriously to pollute around blast furnace, and appearance is bad；Secondly to cause a large amount of water loss, according to the every processing of measuring and calculating
One ton of red slag takes around 1.0-1.3 tons of water, produces 5000000 tons of steel mills per year, every about the red slag for generating 4,000,000 tons year, about
Need 400 to 5,000,000 tons of water loss；Furthermore a large amount of vapor direct emission causes a large amount of heat-energy losses.Pressure type is high
The red slag waste heat recycling system of furnace, carries out red Slag treatment under a relatively closed environment, can save a large amount of water money
Source, while a large amount of thermal energy is recycled, economic benefits can substantially eliminate vapor caused by flushing cinder to environment
Pollution, but one-time investment is larger, the iron and steel enterprise of place anxiety is transformed difficult.Therefore need to seek suitable method
Existing blast furnace slag flushing unit is transformed, energy-saving and environment-friendly requirement is complied with.
Summary of the invention
In order to solve the problem of water, the thermal energy waste environmental pollution of blast furnace slag flushing, it is high that the present invention provides a kind of pressure type
The red slag waste heat recycling system of furnace and method, so as to by traditional sluice, Chi Gaiwei pressure application flushing cinder pond, and to flushing cinder
The vapor of generation is collected, and is sufficiently recycled to waste heat.The present invention is suitable for the iron and steel enterprise more demanding to environmental Kuznets Curves.
A kind of pressure type blast furnace red dregs waste heat recycling system, it is characterized in that: it is cold to include at least flushing cinder unit, vapor
Solidifying heat exchange unit and washing slag water heat exchange unit；Flushing cinder unit bottom is connect by pipeline valve with washing slag water heat exchange unit；Flushing cinder
It is connect by pipeline valve with vapor condensing heat-exchange unit at the top of unit.
The flushing cinder unit includes red slag bunker, flushing cinder pond, tapping mechanism and vapor delivery line；Flushing cinder unit
Flushing cinder pond top includes two V-shaped structures, and one is formed separately vapor evolution room by V-shaped structure below and slags tap
Room, another V-shaped channel one end connect red slag bunker, and the other end constitutes vapor and escapes room, and two V-shaped structures pass through public affairs
Vapor evolution room connection altogether.
The slag removing chamber is connected with flushing cinder pond water supply pipe, to guarantee that the water level in flushing cinder pond is enough to obstruct vapor evolution room
And slag removing chamber, escape vapor caused by flushing cinder will not from slag removing chamber；It is led by the vapor at top vapor evolution room
Outlet pipe and air-introduced machine are connect with the condenser of vapor condensing heat-exchange unit, and vapor delivery line increases power-equipment air-introduced machine,
The vapor for being conducive to vapor evolution room is led into condenser.
It is fixed with tapping mechanism from upper outer end to intracavitary in the cavity of the slag removing chamber, tapping mechanism is tilted in inclination chamber
In vivo.
The washing slag water heat exchange unit includes: heat exchanger, exhaust heat of slag flushing water recycling circulating pump and exhaust heat of slag flushing water
Recycle circulation line；There are outlet pipe and exhaust heat of slag flushing water to recycle circulation line in flushing cinder bottom of pond portion, passes through flushing cinder pond
The outlet pipe and exhaust heat of slag flushing water of bottom recycle circulation line and connect with heat exchanger heat-exchanging tube road, exhaust heat of slag flushing water recycling benefit
It is serially connected on the outlet pipe pipeline of flushing cinder bottom of pond portion with circulating pump.
The heat exchanger of the washing slag water heat exchange unit is heat-condutive oil heat exchanger, and heat exchanger recycles benefit by exhaust heat of slag flushing water
With the flushing cinder pond of circulation line connection exhaust heat of slag flushing water recycling system.
The vapor condensing heat-exchange unit includes condenser and air-introduced machine, and vapor escapes the export of ceiling portion vapor
Pipe enters condenser by air-introduced machine, is condensed into water with vapor after the water at low temperature heat exchange of heat user.
The condenser of the vapor condensing heat-exchange unit connects condensate ruturn pipe, is connected on condensate ruturn pipe
Valve group, valve group, which connects, has branch line connection is other to use water spot between condenser.
A kind of pressure type blast furnace red dregs waste heat recycle method, it is characterized in that: including at least following process:
When flushing cinder starts, red slag passes through vapor through the red slag bunker in a kind of pressure type blast furnace red dregs waste heat recycling system
Evolution room enters flushing cinder pond；It connects condenser and flushing cinder pond valve group is closed, the flushing cinder pond water supply pipe connected by flushing cinder pond upper end
Moisturizing guaranteed water level obstructs vapor evolution room and slag removing chamber；System is in closed band pressure condition at this time, what flushing cinder unit generated
Vapor escapes ceiling portion vapor delivery line by vapor and enters condenser by air-introduced machine, changes with the water at low temperature of heat user
Vapor is condensed into water after heat；
After flushing cinder, valve group is opened, condensed water connects condensate ruturn pipe through condenser and is back to flushing cinder pond or flow to
It is other to use water spot；It is transported through flushing cinder treated clinker by the tapping mechanism in flushing cinder pond.
The exhaust heat of slag flushing water of the flushing cinder pond side connection heat exchanger recycles water-circulating pump and opens always, high temperature punching
Pulp water, which exchanges heat in heat exchanger with heat user water at low temperature, to cool down, and recycles circulation line by exhaust heat of slag flushing water and returns to flushing cinder pond.
The present invention can abundant recovery waste heat, guarantee pernicious gas do not leak, largely recycle vapor, reduce the use of water
Amount.The system structure is simple, is convenient for the transformation of flushing cinder processing system.
Using the pressure type blast furnace red dregs waste heat recycling system, pressure flushing cinder is carried out under conditions of seal-off pressure,
A large amount of vapor can be recycled, the vapor for guaranteeing that flushing cinder generates does not enter air, and can collect the heat of red slag to greatest extent
Amount.
Detailed description of the invention
Fig. 1 is present system schematic diagram.
In figure: 1, red slag bunker；2, flushing cinder pond；3, condenser；4, heat exchanger；5, tapping mechanism；6, exhaust heat of slag flushing water benefit
Use circulating pump；7, exhaust heat of slag flushing water recycles circulation line；8, air-introduced machine；9, vapor delivery line；10, condensate return
Pipe；11, valve group；12, vapor escapes room；13, slag removing chamber；14, flushing cinder pond water supply pipe.
Specific embodiment
It is described further with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1, a kind of pressure type blast furnace red dregs waste heat recycling system, includes at least flushing cinder unit, vapor condenses
Heat exchange unit and washing slag water heat exchange unit；Flushing cinder unit bottom is connect by pipeline valve with washing slag water heat exchange unit；Flushing cinder list
First top is connect by pipeline valve with vapor condensing heat-exchange unit.
The flushing cinder unit includes red slag bunker 1, flushing cinder pond 2, tapping mechanism 5 and vapor delivery line 9；Flushing cinder list
2 top of flushing cinder pond of member includes two V-shaped structures, and one is formed separately vapor evolution room 12 by V-shaped structure below
With slag removing chamber 13, another V-shaped channel one end connects red slag bunker 1, and the other end constitutes vapor and escapes room 12, two V words
Shape structure escapes room 12 by public vapor and connects.
The slag removing chamber 13 is connected with flushing cinder pond water supply pipe 14, to guarantee that the water level in flushing cinder pond 2 is enough to obstruct vapor
Room 12 and slag removing chamber 13 are escaped, escape vapor caused by flushing cinder will not from slag removing chamber 13；Vapor evolution room 12 passes through
The vapor delivery line 9 and air-introduced machine 8 at top are connect with the condenser 3 of vapor condensing heat-exchange unit, and vapor delivery line 9 increases
Add power-equipment air-introduced machine 8, the vapor for being conducive to vapor evolution room 12 is led into condenser 3.
It is fixed with tapping mechanism 5 from upper outer end to intracavitary in the cavity of the slag removing chamber 13, tapping mechanism 5 is tilted in
In oblique cavity.
The washing slag water heat exchange unit includes: more than heat exchanger 4, exhaust heat of slag flushing water recycling circulating pump 6 and washing slag water
Recuperation of heat utilizes circulation line 7；There are outlet pipe and exhaust heat of slag flushing water to recycle circulation line 7 in 2 bottom of flushing cinder pond, passes through punching
The outlet pipe and exhaust heat of slag flushing water of 2 bottom of slag bath recycle circulation line 7 and connect with 4 heat exchange pipeline of heat exchanger, more than washing slag water
Recuperation of heat is serially connected on the outlet pipe pipeline of 2 bottom of flushing cinder pond using circulating pump 6.
The heat exchanger 4 of washing slag water heat exchange unit is heat-condutive oil heat exchanger, and heat exchanger 4 is followed by exhaust heat of slag flushing water recycling
The flushing cinder pond 2 of the connection of endless tube road 7 exhaust heat of slag flushing water recycling system.
The vapor condensing heat-exchange unit includes condenser 3 and air-introduced machine 8, and vapor escapes 12 top vapor of room
Delivery line 9 enters condenser 3 by air-introduced machine 8, is condensed into water with vapor after the water at low temperature heat exchange of heat user.
3 lower part of condenser of vapor condensing heat-exchange unit connects condensate ruturn pipe 10, is connected on condensate ruturn pipe 10
Valve group 11, valve group 11, which connects, has branch line connection is other to use water spot between condenser 3.
A kind of pressure type blast furnace red dregs waste heat recycle method, it is characterized in that: including at least following process:
When flushing cinder starts, red slag is steamed through the red slag bunker 1 in a kind of pressure type blast furnace red dregs waste heat recycling system by water
Gas escapes room 12 and enters flushing cinder pond 2；It connects condenser 3 and 2 valve group 11 of flushing cinder pond is closed, the benefit connected by 2 upper end of flushing cinder pond
14 moisturizing guaranteed water level of water pipe obstructs vapor evolution room 12 and slag removing chamber 13；System is in closed band pressure condition, flushing cinder at this time
The vapor that unit generates escapes 12 top vapor delivery line 9 of room by vapor and enters condenser 3 by air-introduced machine 8, with
Vapor is condensed into water after the water at low temperature heat exchange of heat user；
After flushing cinder, valve group 11 is opened, condensed water connects condensate ruturn pipe 10 through 3 lower part of condenser and is back to flushing cinder pond 2
Or it flow to and other uses water spot；It is transported through flushing cinder treated clinker by the tapping mechanism 5 in flushing cinder pond 2.
The exhaust heat of slag flushing water of 2 side of flushing cinder pond connection heat exchanger 4 recycles water-circulating pump 6 and opens always, high temperature flushing cinder
Water, which exchanges heat in heat exchanger 4 with heat user water at low temperature, to cool down, and recycles circulation line 7 by exhaust heat of slag flushing water and returns to flushing cinder pond 2.
Embodiment two
On the basis of example 1, it can increase in flushing cinder pond 2 and be not drawn into liquid level detection device figure, with 14 valve of water supply pipe
Interlocked control valve switch, the water level that flushing cinder pond 2 is effectively ensured are enough to obstruct vapor evolution room 12 and slag removing chamber 13, make flushing cinder
The vapor of generation will not be escaped from slag removing chamber 13.
The present invention can abundant recovery waste heat, guarantee pernicious gas do not leak, largely recycle vapor, reduce the use of water
Amount.The system structure is simple, is convenient for the transformation of flushing cinder processing system.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the present invention, it is all in spirit of the invention and
Any modifications, equivalent replacements, and improvements etc. done within principle, should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of pressure type blast furnace red dregs waste heat recycling system, it is characterized in that: including at least flushing cinder unit, vapor condenses
Heat exchange unit and washing slag water heat exchange unit；Flushing cinder unit bottom is connect by pipeline valve with washing slag water heat exchange unit；Flushing cinder list
First top is connect by pipeline valve with vapor condensing heat-exchange unit.
2. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 1, it is characterized in that: described rushes
Slag unit includes red slag bunker (1), flushing cinder pond (2), tapping mechanism (5) and vapor delivery line (9)；The flushing cinder of flushing cinder unit
Pond (2) top includes two V-shaped structures, and one is formed separately vapor evolution room (12) by V-shaped structure below and goes out
Grit chamber (13), another V-shaped channel one end connect red slag bunker (1), and the other end constitutes vapor evolution room (12), two V
Character form structure passes through public vapor evolution room (12) connection.
3. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 2, it is characterized in that: described goes out
Grit chamber (13) is connected with flushing cinder pond water supply pipe (14), to guarantee that the water level in flushing cinder pond (2) is enough to obstruct vapor evolution room (12)
It with slag removing chamber (13), escape vapor caused by flushing cinder will not from slag removing chamber (13)；Vapor evolution room (12) passes through top
The vapor delivery line (9) and air-introduced machine (8) in portion are connect with the condenser (3) of vapor condensing heat-exchange unit, vapor export
It manages (9) and increases power-equipment air-introduced machine (8), the vapor for being conducive to vapor evolution room (12) is led into condenser (3).
4. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 2, it is characterized in that: described goes out
It is fixed with tapping mechanism (5) in the cavity of grit chamber (13) from upper outer end to intracavitary, tapping mechanism (5) is tilted in inclination cavity.
5. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 1, it is characterized in that: described rushes
Pulp water heat exchange unit includes: heat exchanger (4), exhaust heat of slag flushing water recycles circulating pump (6) and exhaust heat of slag flushing water recycling follows
Endless tube road (7)；There are outlet pipe and exhaust heat of slag flushing water to recycle circulation line (7) in flushing cinder pond (2) bottom, passes through flushing cinder pond
(2) outlet pipe and exhaust heat of slag flushing water of bottom recycle circulation line (7) and connect with heat exchanger (4) heat exchange pipeline, washing slag water
Heat recovery circulating pump (6) is serially connected on the outlet pipe pipeline of flushing cinder pond (2) bottom.
6. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 5, it is characterized in that: described rushes
The heat exchanger (4) of pulp water heat exchange unit is heat-condutive oil heat exchanger, and heat exchanger (4) recycles circulation line by exhaust heat of slag flushing water
(7) the flushing cinder pond (2) of exhaust heat of slag flushing water recycling system is connected.
7. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 1, it is characterized in that: the water
Steam condensing heat-exchange unit includes condenser (3) and air-introduced machine (8), and vapor escapes vapor delivery line (9) at the top of room (12)
Enter condenser (3) by air-introduced machine (8), is condensed into water with vapor after the water at low temperature heat exchange of heat user.
8. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 7, it is characterized in that: the water
Condenser (3) lower part of steam condensing heat-exchange unit connects condensate ruturn pipe (10), and condensate ruturn pipe is connected to valve on (10)
Group (11), valve group (11), which connects, has branch line connection is other to use water spot between condenser (3).
9. a kind of pressure type blast furnace red dregs waste heat recycle method, it is characterized in that: including at least following process:
When flushing cinder starts, red slag passes through vapor through the red slag bunker in a kind of pressure type blast furnace red dregs waste heat recycling system
Evolution room enters flushing cinder pond；It connects condenser and flushing cinder pond valve group is closed, the flushing cinder pond water supply pipe connected by flushing cinder pond upper end
Moisturizing guaranteed water level obstructs vapor evolution room and slag removing chamber；System is in closed band pressure condition at this time, what flushing cinder unit generated
Vapor escapes ceiling portion vapor delivery line by vapor and enters condenser by air-introduced machine, changes with the water at low temperature of heat user
Vapor is condensed into water after heat；
After flushing cinder, valve group is opened, condensed water connects condensate ruturn pipe through condenser and is back to flushing cinder pond or flow to
It is other to use water spot；It is transported through flushing cinder treated clinker by the tapping mechanism in flushing cinder pond.
10. a kind of pressure type blast furnace red dregs waste heat recycle method according to claim 9, it is characterized in that: described
The exhaust heat of slag flushing water of flushing cinder pond side connection heat exchanger recycles water-circulating pump and opens always, and high temperature washing slag water is in heat exchanger
It exchanges heat and cools down with heat user water at low temperature, circulation line is recycled by exhaust heat of slag flushing water and returns to flushing cinder pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675595.9A CN110205418A (en) | 2018-06-27 | 2018-06-27 | A kind of pressure type blast furnace red dregs waste heat recycling system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675595.9A CN110205418A (en) | 2018-06-27 | 2018-06-27 | A kind of pressure type blast furnace red dregs waste heat recycling system and method |
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| CN110205418A true CN110205418A (en) | 2019-09-06 |
Family
ID=67779771
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392085A (en) * | 2011-11-21 | 2012-03-28 | 济南钢铁股份有限公司 | Blast furnace slag waste heat recycling system |
| CN102649992A (en) * | 2012-05-02 | 2012-08-29 | 北京亿玮坤节能科技有限公司 | High-efficiency circulation system for recovering waste heat in slag flushing water |
| CN103981306A (en) * | 2014-05-25 | 2014-08-13 | 北京首钢国际工程技术有限公司 | Method and device for recycling waste heat in molten slag water quenching and granulating process of ironmaking blast furnace |
| CN104278116A (en) * | 2013-07-11 | 2015-01-14 | 北京亿玮坤节能科技有限公司 | Blast furnace slag steam recovery method and system |
| CN204625665U (en) * | 2015-04-22 | 2015-09-09 | 邯郸派瑞节能控制技术有限公司 | Blast furnace slag quenching water waste heat recycling heating installation |
| WO2017152784A1 (en) * | 2016-03-11 | 2017-09-14 | 西安交通大学 | System and method for dry centrifugal granulation of high_temperature liquid slag and exhaust heat recovery |
| CN208545449U (en) * | 2018-06-27 | 2019-02-26 | 西安华江环保科技股份有限公司 | A kind of pressure type blast furnace red dregs waste heat recycling system |
-
2018
- 2018-06-27 CN CN201810675595.9A patent/CN110205418A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392085A (en) * | 2011-11-21 | 2012-03-28 | 济南钢铁股份有限公司 | Blast furnace slag waste heat recycling system |
| CN102649992A (en) * | 2012-05-02 | 2012-08-29 | 北京亿玮坤节能科技有限公司 | High-efficiency circulation system for recovering waste heat in slag flushing water |
| CN104278116A (en) * | 2013-07-11 | 2015-01-14 | 北京亿玮坤节能科技有限公司 | Blast furnace slag steam recovery method and system |
| CN103981306A (en) * | 2014-05-25 | 2014-08-13 | 北京首钢国际工程技术有限公司 | Method and device for recycling waste heat in molten slag water quenching and granulating process of ironmaking blast furnace |
| CN204625665U (en) * | 2015-04-22 | 2015-09-09 | 邯郸派瑞节能控制技术有限公司 | Blast furnace slag quenching water waste heat recycling heating installation |
| WO2017152784A1 (en) * | 2016-03-11 | 2017-09-14 | 西安交通大学 | System and method for dry centrifugal granulation of high_temperature liquid slag and exhaust heat recovery |
| CN208545449U (en) * | 2018-06-27 | 2019-02-26 | 西安华江环保科技股份有限公司 | A kind of pressure type blast furnace red dregs waste heat recycling system |
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