CN108827005A - A kind of sinter waste heat recycles perpendicular tank and boiler integrated apparatus - Google Patents
A kind of sinter waste heat recycles perpendicular tank and boiler integrated apparatus Download PDFInfo
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- CN108827005A CN108827005A CN201810471836.8A CN201810471836A CN108827005A CN 108827005 A CN108827005 A CN 108827005A CN 201810471836 A CN201810471836 A CN 201810471836A CN 108827005 A CN108827005 A CN 108827005A
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- waste heat
- boiler
- sinter
- recycles
- perpendicular tank
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Classifications
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/16—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways
-
- 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
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0286—Cooling in a vertical, e.g. annular, shaft
-
- 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
-
- 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
- F27D2017/006—Systems for reclaiming waste heat using a boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of sinter waste heats to recycle perpendicular tank and boiler integrated apparatus, and sinter waste heat recycles perpendicular tank and boiler integrated apparatus is connected to sintering machine, which recycles perpendicular tank and boiler integrated apparatus includes：Waste heat recycles perpendicular tank, is from top to bottom followed successively by inside perpendicular tank and prestores section and cooling section；Waste heat boiler, waste heat boiler are set to perpendicular tank side, and waste heat boiler top side is provided with gravitational precipitator, and gravitational precipitator is connected to perpendicular tank top by multiple rows of pipeline；Cooling-air blower, cooling-air blower one end connect cloth wind system, and the other end is connected to external air inlet；Boiler blower, boiler blower one end are connected to the exhaust outlet of waste heat boiler bottom, and the other end is connected to cloth wind system.The sinter waste heat recycles perpendicular tank and boiler integrated apparatus occupied area is small, cost of investment is low, while can carry out comprehensive reutilization to the waste heat of sinter.
Description
Technical field
The invention belongs to the high efficiente callback of metallurgical process residual heat resources and technical field is utilized, more particularly, to a kind of burning
It ties mine waste heat and recycles perpendicular tank and boiler integrated apparatus.
Background technique
Currently, China or even in the world, to the cooling of sinter generally using either traditional perpendicular of traditional ring cold machine
Tank is more, and the design of the structural parameters and operating parameter of ring cold machine is based only on the monomer effect cooling to sinter, does not almost have
There is the recycling considered to sintering mine sensible heat；And the perpendicular tank of tradition is due to that cannot be delivered directly to waste heat boiler for high-temperature flue gas
In, it is in the pipeline to boiler by longer section.Ring cold machine and tradition are erected main existing for tank waste-heat recovery device at present
Problem is as follows：
（1）The presence that ring cold machine leaks out makes sintering mine sensible heat largely scatter and disappear, while making electromechanical for air-blast cooled air blast
Consumption increases.
（2）Ring cold machine band type structure only recycles temperature upper section (generally at 300 DEG C or more) sintering mine sensible heat,
Sintering mine sensible heat resource of the temperature compared with lower part is slatterned.
（3）Existing ring cold machine and the perpendicular tank waste-heat recovery device of tradition have the shortcomings that take up a large area, cost of investment is high.
（4）The perpendicular tank waste-heat recovery device of tradition erects between tank and boiler there are larger distance, needs to connect by pipeline,
Tubing is not only wasted, while also having a large amount of thermal loss.
That therefore, it is necessary to develop a kind of occupied areas is small, cost of investment is low, thermal loss is few, while can be aobvious to sinter
The sinter waste heat that heat carries out comprehensive reutilization recycles perpendicular tank and boiler integrated apparatus.
Summary of the invention
Goal of the invention：The object of the present invention is to provide a kind of sinter waste heats to recycle perpendicular tank and boiler integrated apparatus,
Sinter waste heat recycles perpendicular tank and boiler integrated apparatus is connected with sintering machine, which recycles perpendicular tank and boiler one
Body installation area is small, cost of investment is low, thermal loss is few, while synthetical recovery benefit can be carried out to the waste heat of sinter
With.
Technical solution：
A kind of sinter waste heat recycles perpendicular tank and boiler integrated apparatus, the device include：
Waste heat recycles perpendicular tank；The waste heat, which recycles from top to bottom to be followed successively by inside perpendicular tank, prestores section and cooling section, and top is provided with
Sinter import, bottom are provided with sinter outlet and cooling air inlet；
Waste heat boiler；The waste heat boiler is close to waste heat and recycles perpendicular tank side, and top side is provided with gravitational precipitator, described heavy
Inertia force precipitator is connected to the waste heat by multiple rows of pipeline and recycles perpendicular tank top；
Cooling-air blower；Described cooling-air blower one end connects perpendicular pot bottom cloth wind system, and the other end is connected to institute
State cooling air inlet；
Waste heat boiler air blower, described boiler blower one end are connected to the exhaust outlet of the waste heat boiler bottom, and the other end connects
Pass through the cloth wind system that waste heat recycles perpendicular pot bottom.
The sinter waste heat recycles perpendicular tank and boiler integrated apparatus, preferably：The waste heat boiler top side is set
It is equipped with vapour-discharge tube line, the vapour-discharge tube line is connected to afterheat generating system.
The sinter waste heat recycles perpendicular tank and boiler integrated apparatus, preferably：The device further includes moisturizing pipeline, institute
It states and is provided with preheater and oxygen-eliminating device in moisturizing pipeline.
The sinter waste heat recycles perpendicular tank and boiler integrated apparatus, preferably：The preheater be helical pipe, one
The exhaust outlet of end connection sintering machine, the other end are connected to desulfurizing device；
The sinter waste heat recycles perpendicular tank and boiler integrated apparatus, preferably：It further include pure water feeding mechanism, the pure water
Feeding mechanism is connected to the bottom side of waste heat boiler by the moisturizing pipeline.
The sinter waste heat recycles perpendicular tank and boiler integrated apparatus, preferably：The waste heat recycles perpendicular pot bottom and sets
It is equipped with cloth blast cap；Cloth blast cap connects cooling-air blower and boiler blower.
The sinter waste heat recycles perpendicular tank and boiler integrated apparatus, preferably：It further include secondary filter, described two
Secondary deduster is arranged in the waste heat boiler bottom.
The sinter waste heat recycles perpendicular tank and boiler integrated apparatus, preferably：Sinter exit is provided with rotation
Sealing valve.
The sinter waste heat recycles perpendicular tank and boiler integrated apparatus, preferably：It is described to prestore section and the cooling section
Volume ratio be 1:3~1:5.
Advantage and effect：Sinter waste heat recycling is perpendicular, and tank and boiler integrated apparatus occupied area are small, cost of investment is low,
Thermal loss is few, while can carry out comprehensive reutilization to the waste heat of sinter.
Detailed description of the invention：
Fig. 1 shows the signal that sinter waste heat according to an embodiment of the invention recycles perpendicular tank and boiler integrated apparatus
Property structure chart.
Attached body description of symbols：
1, waste heat recycles perpendicular tank；2, section is prestored；3, cooling section；4, sinter import；5, sinter exports；6, cloth wind system；7,
Waste heat boiler；8, gravitational precipitator；9, cooling-air blower；10, boiler blower；11, vapour-discharge tube line；12, moisturizing
Pipeline；13, preheater；14, oxygen-eliminating device；15, cloth blast cap；16, final dusting machine；17, rotary seal valve.
Specific embodiment：
The preferred embodiment of the present invention is described in more detail below.Although the foregoing describe preferred implementation sides of the invention
Formula, however, it is to be appreciated that may be realized in various forms the present invention without that should be limited by the embodiments set forth herein.Phase
Instead, these embodiments are provided so that the present invention is more thorough and complete, and can be by the scope of the present invention completely
It is communicated to those skilled in the art.
The present invention provides a kind of sinter waste heats to recycle perpendicular tank and boiler integrated apparatus, and sinter waste heat recycles perpendicular tank
And boiler integrated apparatus, for being connected to sintering machine, which recycles perpendicular tank and boiler integrated apparatus includes：
Waste heat recycles perpendicular tank, and waste heat, which recycles from top to bottom to be followed successively by inside perpendicular tank, prestores section and cooling section, and waste heat recycles perpendicular tank deck
Portion is provided with sinter import, and bottom is provided with sinter outlet and cloth wind system；
Waste heat boiler, waste heat boiler are set to perpendicular tank side, and waste heat boiler top side is provided with gravitational precipitator, gravitational dust collection
Device is connected to perpendicular tank top by multiple rows of pipeline；
Cooling-air blower, cooling-air blower one end connect perpendicular pot bottom cloth wind system, and the other end is connected to external sky
Gas import；
Boiler blower, boiler blower one end are connected to the exhaust outlet of waste heat boiler bottom, and the other end is connected to perpendicular pot bottom
Cloth wind system.
Specifically, the prior art heats sinter by sintering machine, and sinter is via sinter import after heating
Into perpendicular tank, the cold air in perpendicular tank is heated, the air after heating rises to be entered via multiple rows of pipeline of perpendicular tank top
The gravitational dust collection of waste heat boiler fills device, and gravitational precipitator can reduce flow velocity and the direction of stream of hot air suddenly, larger particles
Dust is separated with air-flow under gravity, is deposited in gravitational precipitator bottom, and hot-air heats waste heat boiler, real
Existing sintering waste heat comprehensive reutilization, the flue gas after utilization is flowed through to be sucked out by boiler bottom blower, is followed via external air inlet
Loopback erects tank, realizes recycling for resource.
Specifically, by the way that waste heat boiler is set to perpendicular tank side, keep equipment integrated, reduce the setting of pipeline；Make
Sinter waste heat recycles perpendicular tank and the occupied area of boiler integrated apparatus is reduced, and reduces cost of investment；It is recycled by waste heat
The setting of perpendicular tank replaces traditional ring cold machine, so that sinter is cooled down in the case where opposing seal, passes through cooling air air blast
Power traction enters outside air, and the air being heated enters waste heat boiler, realizes the comprehensive reutilization of sinter waste heat；Sinter
Waste heat recycle perpendicular tank and boiler integrated apparatus cooling chamber be it is rectangular-shaped, so that processing is provided biggish processing space, improve
Treatment effeciency.
Preferably, waste heat boiler top side is provided with vapour-discharge tube line, and vapour-discharge tube line is connected to remaining
Heat generating system.
Specifically, thermogenetic heat heats waste heat boiler more than sinter, and the hot steam of generation is arranged via steam
Pipeline is discharged out, can be used for generating electricity.
Preferably, further include moisturizing pipeline, preheater and oxygen-eliminating device are provided in moisturizing pipeline.
Preferably, the preheater is helical pipe, and one end of the helical pipe is connected to the sintering machine
Exhaust outlet, the other end is connected to desulfurizing device.
Specifically, the high-temperature gas that sintering machine generates enters preheater and preheats to preheater pure water, then by removing
Sulphur device is into excessively except sulphuring treatment heel row goes out.
It preferably, further include pure water feeding mechanism, pure water feeding mechanism is connected to one end of moisturizing pipeline.
Preferably, one end of moisturizing pipeline is set to the bottom side of waste heat boiler.
Specifically, lower in waste heat boiler water level, when needing moisturizing, pure water enters water supply pipe via pure water feeding mechanism
Road preheats pure water by preheater, after the oxygen in pure water is removed by oxygen-eliminating device, into waste heat boiler, passes through preheating
The setting of device and oxygen-eliminating device prevents the oxygen in water from causing to corrode to waste heat boiler.
Preferably, perpendicular pot bottom is provided with cloth blast cap.
Specifically, by the setting of cloth blast cap, cooling air is more uniformly spread, prevents the area Si Liao occur in perpendicular tank.
It preferably, further include final dusting machine, final dusting machine is arranged in waste heat boiler bottom.
Specifically, dust in flue gas is further removed by the setting of final dusting machine.
Preferably, sinter exit is provided with rotary seal valve.
Specifically, it by the setting of rotary seal valve, is in perpendicular tank in the state of opposing seal, improves waste heat recycling
Rate.
Preferably, the volume ratio for prestoring section and cooling section is 1:3-1:5.
Embodiment
Fig. 1 shows the signal that sintering waste heat according to an embodiment of the invention erects tank boiler integration recyclable device
Property structure chart.
As shown in Figure 1, the sinter waste heat recycles perpendicular tank and boiler integrated apparatus includes：
Waste heat recycles perpendicular tank 1, and waste heat, which recycles from top to bottom to be followed successively by inside perpendicular tank 1, prestores section 2 and cooling section 3, and waste heat recycling is perpendicular
Sinter import 4 is provided at the top of tank 1, bottom is provided with sinter outlet 5 and cloth wind system 6；
Waste heat boiler 7, waste heat boiler 7 are set to perpendicular 1 side of tank, and 7 top side of waste heat boiler is provided with gravitational precipitator 8, weight
Inertia force precipitator 8 is connected to perpendicular 1 top of tank by multiple rows of pipeline；
Cooling-air blower 9,9 one end of cooling-air blower connect cloth wind system 6, and the other end is connected to outside air；
Boiler blower 10,10 one end of boiler blower are connected to the exhaust outlet of 7 bottom of waste heat boiler, and the other end is connected to cloth wind
System 6.
Vapour-discharge tube line 11, vapour-discharge tube line 11 are set to 7 top side of waste heat boiler, and vapour-discharge tube line 11 connects
Pass to afterheat generating system.
Moisturizing pipeline 12, one end of moisturizing pipeline 12 are set to the bottom side of waste heat boiler 7, are arranged in moisturizing pipeline 12
There are preheater 13 and oxygen-eliminating device 14.
Cloth blast cap 15, cloth blast cap 15 are set to perpendicular 1 bottom of tank, and cloth blast cap 15 is connected to air blower 9 and pot via pipeline
Furnace blower 10.
Final dusting machine 16, final dusting machine 16 are arranged in 7 bottom of waste heat boiler.
Wherein, rotary seal valve 17 is provided at cold mine outlet 5.
Wherein, preheater 13 is spiral pipe, and one end of the spiral pipe is connected to the exhaust outlet of sintering machine, separately
One end is connected to desulfurizing device.
With 360m2For large-type sinterer, sinter waste heat of the invention recycles perpendicular tank and boiler integrated apparatus can
Hot mine, which will be sintered, by the perpendicular tank of waste heat recycling is cooled to 150 DEG C by 700 DEG C, and traditional ring cold machine is only capable of 700 DEG C of sintering
Hot mine is cooled to 350 DEG C.Sinter waste heat through the invention recycles perpendicular tank and the heat ratio of boiler integrated apparatus recycling passes
System ring cold machine more 1.15 × 108kJ/h.Equivalent 3.19 × 104 kW。360m2It produces 3900000 tons of finished product mines per year with sintering machine, matches with it
Covering waste heat to recycle the cooling section height of perpendicular tank is 3.7m, tank diameter 9m.Waste heat recycles perpendicular tank and waste heat boiler integrated fills
It is small to set occupied area, saves floor occupying area, reduces cost of investment.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.
Claims (9)
1. a kind of sinter waste heat recycles perpendicular tank and boiler integrated apparatus, it is characterised in that：
The device includes：
Waste heat recycles perpendicular tank（1）；The waste heat recycles perpendicular tank（1）Inside, which is from top to bottom followed successively by, prestores section（2）And cooling section
（3）, top is provided with sinter import（4）, bottom is provided with sinter outlet（5）And cooling air inlet；
Waste heat boiler（7）；The waste heat boiler（7）It is close to waste heat and recycles perpendicular tank（1）Side, top side are provided with gravitational dust collection
Device（8）, the gravitational precipitator（8）The waste heat, which is connected to, by multiple rows of pipeline recycles perpendicular tank（1）Top；
Cooling-air blower（9）；The cooling-air blower（9）One end connects perpendicular pot bottom cloth wind system（6）, the other end
It is connected to the cooling air inlet；
Waste heat boiler air blower（10）, described boiler blower one end is connected to the exhaust outlet of the waste heat boiler bottom, another
End is connected to waste heat and recycles perpendicular tank（1）The cloth wind system of bottom（6）.
2. sinter waste heat recycles perpendicular tank and boiler integrated apparatus according to claim 1, it is characterised in that：The waste heat
Boiler（7）Top side is provided with vapour-discharge tube line（11）, the vapour-discharge tube line（11）It is connected to afterheat generating system.
3. sinter waste heat recycles perpendicular tank and boiler integrated apparatus according to claim 1, it is characterised in that：The device is also
Including moisturizing pipeline（12）, the moisturizing pipeline（12）On be provided with preheater（13）And oxygen-eliminating device（14）.
4. sinter waste heat recycles perpendicular tank and boiler integrated apparatus according to claim 3, it is characterised in that：The preheating
Device（13）For helical pipe, one end is connected to the exhaust outlet of sintering machine, and the other end is connected to desulfurizing device.
5. sinter waste heat recycles perpendicular tank and boiler integrated apparatus according to claim 3, it is characterised in that：It further include pure
Water supply, the pure water feeding mechanism pass through the moisturizing pipeline（12）It is connected to waste heat boiler（7）Bottom side.
6. sinter waste heat recycles perpendicular tank and boiler integrated apparatus according to claim 1, it is characterised in that：The waste heat
Recycle perpendicular tank（1）Bottom is provided with cloth blast cap（15）；Cloth blast cap（15）Connect cooling-air blower（9）And boiler blower
（10）.
7. sinter waste heat recycles perpendicular tank and boiler integrated apparatus according to claim 1, it is characterised in that：It further include two
Secondary deduster（16）, the secondary filter（16）It is arranged in the waste heat boiler（7）Bottom.
8. sinter waste heat recycles perpendicular tank and boiler integrated apparatus according to claim 1, it is characterised in that：Sinter goes out
Rotary seal valve is provided at mouthful（17）.
9. sinter waste heat recycles perpendicular tank and boiler integrated apparatus according to claim 1, it is characterised in that：It is described to prestore
Section（2）With the cooling section（3）Volume ratio be 1:3~1:5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810471836.8A CN108827005B (en) | 2018-05-17 | 2018-05-17 | Vertical tank and boiler integrated device for recovering waste heat of sinter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810471836.8A CN108827005B (en) | 2018-05-17 | 2018-05-17 | Vertical tank and boiler integrated device for recovering waste heat of sinter |
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| Publication Number | Publication Date |
|---|---|
| CN108827005A true CN108827005A (en) | 2018-11-16 |
| CN108827005B CN108827005B (en) | 2020-04-17 |
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| CN201810471836.8A Active CN108827005B (en) | 2018-05-17 | 2018-05-17 | Vertical tank and boiler integrated device for recovering waste heat of sinter |
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| CN109654894A (en) * | 2018-12-05 | 2019-04-19 | 东北大学 | One kind being based on CO2The recycling of sinter waste heat and the system of utilizing of trans critical cycle |
| CN115305349A (en) * | 2022-08-26 | 2022-11-08 | 钢研晟华科技股份有限公司 | Reduce chain grate rotary kiln equipment that SOx/NOx control consumed |
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| CN115369241A (en) * | 2022-08-26 | 2022-11-22 | 钢研晟华科技股份有限公司 | Sensible heat recovery method for rotary kiln pellets of chain grate machine |
| CN115305349B (en) * | 2022-08-26 | 2024-03-05 | 钢研晟华科技股份有限公司 | Reduce chain grate rotary kiln equipment that desulfurization denitration consumed |
| CN115369241B (en) * | 2022-08-26 | 2024-03-05 | 钢研晟华科技股份有限公司 | Sensible heat recovery method for grate rotary kiln pellets |
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Application publication date: 20181116 Assignee: SUZHOU HAILU HEAVY INDUSTRY Co.,Ltd. Assignor: Northeastern University Contract record no.: X2020210000014 Denomination of invention: An integrated device of sintering waste heat recovery vertical tank and boiler Granted publication date: 20200417 License type: Common License Record date: 20200910 |
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