CN204165407U - A kind of sintered discharge gas waste heat recycling system - Google Patents
A kind of sintered discharge gas waste heat recycling system Download PDFInfo
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- CN204165407U CN204165407U CN201420513986.8U CN201420513986U CN204165407U CN 204165407 U CN204165407 U CN 204165407U CN 201420513986 U CN201420513986 U CN 201420513986U CN 204165407 U CN204165407 U CN 204165407U
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- grain slag
- pipeline
- stop valve
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The grain slag powder collector that the grain slag grinding machine the utility model discloses a kind of sintered discharge gas waste heat recycling system, comprise main exhauster that the electric cleaner that is communicated with sintering machine is communicated with electric cleaner, being communicated with the air outlet of main exhauster by the first pipeline being provided with the first stop valve is communicated with grain slag grinding machine, be connected to exhaust blower between grain slag powder collector and the second chimney; First stop valve is communicated with the first chimney by the second pipe being provided with the second stop valve with the first pipeline between main exhauster, and the discharging opening of grain slag powder collector is communicated with user's collection container.Utilize the waste gas carrying heat to enter grain slag grinding machine as drier to dry grain slag powder; The flue gas substituting cold wind gas-fired generation is dried grain slag powder as drier, has both saved the energy, has reduced grain slag fine grinding cost, additionally reduced air environmental pollution.
Description
Technical field
The utility model relates to waste gas residual heat recovery and utilization technology field, particularly relates to a kind of sintered discharge gas waste heat recycling system.
Background technology
Steel industry is the important foundation industry of national economy, and it has energy-intensive feature.China's iron and steel output ranks first in the world for many years, but the comprehensive energy consumption of steel industry also has gap compared with international most advanced level, and wherein sintering, blast furnace and steel making working procedure have suitable heat to fail to recycle.Along with the deep propelling of China's energy-saving and emission-reduction work, the tune structure that steel and iron industry faces, to fall energy consumption pressure day by day huge.Industrial energy saving " 12 " planning requirement was compared with 2005 for 2010, and steel industry value added energy consumption declines 23.4% respectively, and ton steel comprehensive energy consumption declines 12.1%; Be recovered as emphasis with process optimization and secondary energy sources, strengthen the technological transformation dynamics that high efficiency of energy reclaims, changes and utilize, improve secondary energy sources level of comprehensive utilization; Emphasis promotes the technology such as agglomerates of sintered pellets low temperature waste gas UTILIZATION OF VESIDUAL HEAT IN.Therefore, it is the needs of enterprise development that iron and steel enterprise saves energy and reduce the cost, and is also the needs of environmental protection, has very important meaning simultaneously to national economy sustainable development.Sintering is that in Production Process for Steel Enterprise, blast furnace mineral aggregate enters stove preparatory process in the past.According to statistics, the energy consumption of sintering circuit accounts for 12% of metallurgical total energy consumption, is the second largest power consumption operation being only second to ironmaking, and the heat of its discharge accounts for 49% of total energy consumption heat energy, reclaims and utilize these heats, obviously very important.
At present, domestic sintering circuit adopts the method for continuous down draft sintering mostly, namely iron-bearing material, flux, fuel and grate-layer material etc. add water by a certain percentage mixing after be laid on pallet, lighted a fire by negative pressure, under the effect of forced draft, compound is burnt from top to bottom, compound generation physicochemical change is made under the effect of high temperature, produce certain liquid phase, along with the reduction of mixture temperature, mineral powder granular is consolidated into block to form sintering deposit by liquid phase, and produces the waste gas with certain heat.In prior art, after usually making the waste gas carrying certain heat carry out dedusting in electric cleaner, directly enter air by main exhauster, chimney, the heat of waste gas is not recovered utilization and just enters air, causes the waste of secondary energy sources.
In addition, the flue gas that grain slag fine grinding technology of the prior art adopts gas-fired to produce usually is dried grain slag powder as drier, and this needs the coal of burning a great deal of.Therefore, this technique causes energy consumption to a certain degree, adds the production cost of grain slag powder.
Utility model content
The waste gas produced for sintering circuit directly enters air, and the technical problem its heat not recycled, the utility model provides a kind of sintered discharge gas waste heat recycling system, use this system can the heat that carries of effective recycling sintered discharge gas, thus saved the energy, decrease environmental pollution.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of sintered discharge gas waste heat recycling system, the grain slag grinding machine comprise main exhauster that the electric cleaner that is communicated with the air outlet of sintering machine is communicated with the air outlet of described electric cleaner, being communicated with by the first pipeline being provided with the first stop valve with the air outlet of described main exhauster and the grain slag powder collector of outlet, the exhaust blower between the air outlet being connected to described grain slag powder collector and the second chimney of described grain slag grinding machine; Described first stop valve is communicated with the first chimney by the second pipe being provided with the second stop valve with the first pipeline between described main exhauster, and the discharging opening of described grain slag powder collector is communicated with user's collection container.
Preferably, described sintered discharge gas waste heat recycling system also comprises the heating furnace for heat exhaust gases; The air inlet of described heating furnace is by being provided with the 4th pipeline of the 4th stop valve and the first pipeline communication between described first stop valve and described second pipe, and its air outlet is by being provided with the 6th pipeline of the 6th stop valve and the first pipeline communication between described first stop valve and described grain slag grinding machine.
Preferably, described 4th pipeline with the first pipeline between the 6th pipeline is provided with first electric control valve for controlling waste gas air quantity of connecting with described first stop valve; Described 4th pipeline is provided with second electric control valve for controlling waste gas air quantity of connecting with described 4th stop valve.
Preferably, also heat exchanger is comprised; Described heat exchanger is by being provided with the 3rd pipeline of the 3rd stop valve and the first pipeline communication between described main exhauster and described 4th pipeline, the air outlet of described heat exchanger is communicated with the 3rd chimney by the 5th pipeline, and described 5th pipeline is provided with the 5th stop valve.
Compared with prior art, the beneficial effects of the utility model are:
1, due to main exhauster be communicated with grain slag grinding machine, grain slag grinding machine is communicated with grain slag powder collector, the waste gas of being discharged by main exhauster carries certain heat and enters grain slag grinding machine, this waste gas carrying certain heat is dried the grain slag powder in grain slag grinding machine as drier, thus the flue gas that instead of cold wind gas-fired generation is dried grain slag powder as drier.Because coal combustion can cause environmental pollution to a certain degree.Therefore, adopt sintered discharge gas recycling system of the present utility model and method both to save the energy, reduce grain slag fine grinding cost, additionally reduce air environmental pollution.
2, because grain slag powder fully mixes in grain slag grinding machine with waste gas, grain slag powder has suction-operated to pernicious gases such as the sulfur dioxide in waste gas, therefore, reduces the content of pernicious gas in waste gas, thus also reduces environmental pollution.
Accompanying drawing explanation
The schematic flow sheet of a kind of sintered discharge gas waste heat recycling system that Fig. 1 provides for embodiment one of the present utility model;
The schematic flow sheet of a kind of sintered discharge gas waste heat recycling system that Fig. 2 provides for embodiment two of the present utility model;
The schematic flow sheet of a kind of sintered discharge gas waste heat recycling system that Fig. 3 provides for embodiment three of the present utility model.
Detailed description of the invention
For making those skilled in the art better understand the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment one
As shown in Figure 1, a kind of sintered discharge gas waste heat recycling system that embodiment one provides, comprising: the electric cleaner 2 be communicated with the air outlet of sintering machine 1, the main exhauster 3 be communicated with the air outlet of electric cleaner 2, the grain slag grinding machine 4 be communicated with the air outlet of main exhauster 3 by the first pipeline 9, with the outlet of grain slag grinding machine 4 for the grain slag powder collector 6 collecting grain slag powder, the exhaust blower 7 that is communicated with the air outlet of grain slag powder collector 6; The air outlet of exhaust blower 7 is communicated with the second chimney 82, first pipeline 9 is provided with the first stop valve 11 for controlling the first pipeline 9 break-make, first stop valve 11 is communicated with the first chimney 81 by second pipe 10 with the first pipeline 9 between main exhauster 3, second pipe 10 is provided with the second stop valve 12 for controlling second pipe 10 break-make, the discharging opening of grain slag powder collector 6 is communicated with user's collection container 5.
The method that the waste heat of system to sintered discharge gas utilizing embodiment one to provide is recycled is: the waste gas that sintering machine 1 is produced enters electric cleaner 2 and carries out dust removal process, make the waste gas after dedusting enter grain slag grinding machine 4 as drier through main exhauster 3 to mix with grain slag powder and to dry grain slag powder, the grain slag powder of oven dry and mixture that waste gas is formed is made to enter grain slag powder collector 6, grain slag powder collector 6 is utilized to be leached from mixture by grain slag powder, and utilize user's collection container 5 to collect, waste gas is entered the second chimney 82 through exhaust blower 7 simultaneously.
The sintered discharge gas waste heat recycling system that embodiment one provides to the concrete operations flow process that waste gas is recycled is: close the second stop valve 12, open the first stop valve 11, the waste gas that sintering machine 1 produces enters electric cleaner 2 by the air outlet of sintering machine 1 and carries out dust removal process, main exhauster 3 is entered again by the air outlet of electric cleaner 2, discharged by the air outlet of main exhauster 3 again, the waste gas of discharging enters grain slag grinding machine 4, and to mix with the grain slag powder in grain slag grinding machine 4 as drier and grain slag powder is dried, the mixture that grain slag powder after oven dry and waste gas are formed enters grain slag powder collector 6 by the outlet of grain slag grinding machine 4, grain slag powder leaches by grain slag powder collector 6 from mixture, the grain slag powder leached is collected by the user's collection container 5 be communicated with the discharging opening of grain slag powder collector 6, waste gas enters exhaust blower 7 by the air outlet of grain slag powder collector 6, and enter the second chimney 82 by the air outlet of exhaust blower 7.
Due to main exhauster 3 be communicated with grain slag grinding machine 4, grain slag grinding machine 4 is communicated with grain slag powder collector, the waste gas of being discharged by main exhauster 3 carries certain heat and enters grain slag grinding machine 4, this waste gas carrying certain heat to mix with the grain slag powder in grain slag grinding machine 4 as drier and dries grain slag powder, compared with the method that the flue gas produced with gas-fired is dried grain slag powder as drier, adopt sintered discharge gas recycling system of the present utility model and method both economize energy, reduction grain slag fine grinding costs, reduce environmental pollution again.
To enter the gas flow of the waste gas of grain slag grinding machine 4 for 2000m
3/ min, temperature are calculated by 259 days for 130 DEG C, 1 year, and the heat total value entrained by waste gas entering grain slag grinding machine 4 in a year can reach 2.35 × 10
11kJ, is equivalent to the heat that 0.805 ten thousand ton of mark coal produces, therefore, has saved the energy.By burning mark coal discharge per ton flue gas 14293m
3(mark state), discharge flue dust 42.8kg, discharge SO
214.9kg calculates, and can reduce smoke discharge amount 1.15 × 10 every year
8m
3(mark state), reduces smoke discharge amount 3.45 × 10
5kg, reduces SO
2discharge 1.2 × 10
5kg.Therefore, sintered discharge gas waste heat recycling system of the present utility model and method decrease environmental pollution to a certain extent.
In addition, because grain slag powder fully mixes with waste gas, grain slag powder has suction-operated to pernicious gases such as the sulfur dioxide in waste gas, therefore, reduces the content of pernicious gas in waste gas, thus directly reduces the pollution of waste gas to environment.
Embodiment two
As shown in Figure 2, a kind of sintered discharge gas waste heat recycling system that embodiment two provides, comprising: the electric cleaner 2 be communicated with the air outlet of sintering machine 1, the main exhauster 3 be communicated with the air outlet of electric cleaner 2, the grain slag grinding machine 4 be communicated with the air outlet of main exhauster 3 by the first pipeline 9, with the outlet of grain slag grinding machine 4 for collecting the grain slag powder collector 6 of grain slag powder, the exhaust blower 7 be communicated with the air outlet of grain slag powder collector 6 and the heating furnace 15 for heat exhaust gases; The air outlet of exhaust blower 7 is communicated with the second chimney 82.First pipeline 9 is provided with the first stop valve 11 for controlling the first pipeline 9 break-make, first stop valve 11 is communicated with the first chimney 81 by second pipe 10 with the first pipeline 9 between main exhauster 3, second pipe 10 is provided with the second stop valve 12 for controlling second pipe 10 break-make, the discharging opening of grain slag powder collector 6 is communicated with user's collection container 5; The air inlet of heating furnace 15 is communicated with the first pipeline 9 between second pipe 10 with at the first stop valve 11 by the 4th pipeline being provided with the 4th stop valve 16, and its air outlet is by being provided with the 6th pipeline of the 6th stop valve 21 and the first pipeline communication 9 between the first stop valve 11 and grain slag grinding machine 4.The first pipeline 9 between 4th pipeline with the 6th pipeline is provided with first electric control valve 13 for controlling waste gas air quantity of connecting with the first stop valve 11; 4th pipeline is provided with second electric control valve 14 for controlling waste gas air quantity of connecting with the 4th stop valve 16.
The method that the waste heat of system to sintered discharge gas utilizing embodiment two to provide is recycled is: if the temperature of the waste gas of being discharged by main exhauster 3 is higher than 200 DEG C, identical with the method in embodiment one to the method for the heat recovery of waste gas; If the temperature of waste gas is lower than 200 DEG C, heating furnace 15 is utilized this waste gas to be heated to the temperature making it reach needs, waste gas after heating furnace 15 heats enters grain slag grinding machine 4 and mixes with the grain slag powder in it and dry grain slag powder, the mixture that the grain slag powder of oven dry and waste gas are formed enters grain slag powder collector 6, grain slag powder collector 6 is utilized to be leached from mixture by grain slag powder, and utilize user's collection container 5 to collect, waste gas is entered the second chimney 82 through exhaust blower 7.
The sintered discharge gas waste heat recycling system that embodiment two provides to the concrete operations flow process that waste gas is recycled is: if the temperature of the waste gas of being discharged by main exhauster 3 is higher than 200 DEG C, identical with the operating process in embodiment one to the concrete operations flow process of the heat recovery of waste gas, if the temperature of this waste gas is lower than 200 DEG C, its concrete operations flow process is: close the first stop valve 11, second stop valve 12, open the 4th stop valve 16, 6th stop valve 21, the waste gas that sintering machine 1 produces enters electric cleaner 2 by the air outlet of sintering machine 1 and carries out dust removal process, main exhauster 3 is entered again by the air outlet of electric cleaner 2, the waste gas (lower than 200 DEG C) entering main exhauster 3 is discharged through its air outlet, the waste gas of discharging is through the first pipeline 9, enter the 4th pipeline, and carry out air quantity adjustment by the second electric control valve 14 on the 4th pipeline, waste gas after adjustment enters grain slag grinding machine 4 after heating furnace 15 heats, and to mix with the grain slag powder in grain slag grinding machine 4 as drier and grain slag powder is dried, the mixture that grain slag powder after oven dry and waste gas are formed enters grain slag powder collector 6 by the outlet of grain slag grinding machine 4, grain slag powder leaches by grain slag powder collector 6 from waste gas, the grain slag powder leached is collected by the user's collection container 5 be communicated with the discharging opening of grain slag powder collector 6, waste gas enters exhaust blower 7 by the air outlet of grain slag powder collector 6, and enter the second chimney 82 by the air outlet of exhaust blower 7.
Embodiment two is with the main distinction of embodiment one, has set up heating furnace 15, first electric control valve 13 and the second electric control valve 14.The object of setting up heating furnace 15 is as preventing because EGT is long to the grain slag powder drying time in grain slag grinding machine 4 lower than 200 DEG C, raises the drying rate can accelerating grain slag powder lower than the waste gas of 200 DEG C through heating furnace 15 temperature after heating; The object of setting up the first electric control valve 13 and the second electric control valve 14 be can real-time quantitative to directly entering grain slag grinding machine 4 or the air quantity that indirectly first enters the waste gas of grain slag grinding machine 4 again through heating furnace 15 regulates.Embodiment three
As shown in Figure 3, a kind of sintered discharge gas waste heat recycling system that embodiment three provides, comprising: the electric cleaner 2 be communicated with the air outlet of sintering machine 1, the main exhauster 3 be communicated with the air outlet of electric cleaner 2, the grain slag grinding machine 4 be communicated with the air outlet of main exhauster 3 by the first pipeline 9, with the outlet of grain slag grinding machine 4 for collecting the grain slag powder collector 6 of grain slag powder, the exhaust blower 7 be communicated with the air outlet of grain slag powder collector 6, the heating furnace 15 for heat exhaust gases and the heat exchanger 19 for waste gas heat exchange; The air outlet of exhaust blower 7 is communicated with the second chimney 82, first pipeline 9 is provided with the first stop valve 11 for controlling the first pipeline 9 break-make, first stop valve 11 is communicated with the first chimney 81 by second pipe 10 with the first pipeline 9 between main exhauster 3, second pipe 10 is provided with the second stop valve 12 for controlling second pipe 10 break-make, the discharging opening of grain slag powder collector 6 is communicated with user's collection container 5; The air inlet of heating furnace 15 is communicated with the first pipeline 9 between second pipe 10 with at the first stop valve 11 by the 4th pipeline being provided with the 4th stop valve 16, and its air outlet is by being provided with the 6th pipeline of the 6th stop valve 21 and the first pipeline communication 9 between the first stop valve 11 and grain slag grinding machine 4.The first pipeline 9 between 4th pipeline with the 6th pipeline is provided with first electric control valve 13 for controlling waste gas air quantity of connecting with the first stop valve 11; 4th pipeline is provided with second electric control valve 14 for controlling waste gas air quantity of connecting with the 4th stop valve 16; Heat exchanger 19 is communicated with the first pipeline 9 between main exhauster 3 with the 4th pipeline by being provided with the 3rd pipeline 17 of the 3rd stop valve 18, the air outlet of heat exchanger 19 is communicated with the 3rd chimney 83 by the 5th pipeline, the 5th pipeline is provided with the 5th stop valve 20.
The method that the waste heat of system to sintered discharge gas utilizing embodiment three to provide is recycled is: waste gas is through main exhauster 3, part waste gas enters grain slag grinding machine 4 and mixes with the grain slag powder in it and dry grain slag powder, the mixture that the grain slag powder of oven dry and waste gas are formed enters grain slag powder collector 6, grain slag powder collector 6 is utilized to be leached from mixture by grain slag powder, and utilize user's collection container 5 to collect, waste gas is entered the second chimney 82 through exhaust blower 7; Another part waste gas enters heat exchanger 19, and the waste gas after heat exchange to carry out as the energy storing or directly applying, and is entered the 3rd chimney 83 by heat absorption that waste gas is with by heat exchanger 19; Remainder of exhaust gas directly enters the first chimney 81; If the temperature of waste gas of discharging from main exhauster 3, lower than 200 DEG C, can, before waste gas enters grain slag grinding machine 4, utilize heating furnace 15 pairs of waste gas to heat.
The sintered discharge gas waste heat recycling system that embodiment three provides to the concrete operations flow process that waste gas is recycled is: if the temperature of waste gas is higher than 200 DEG C, then close the 4th stop valve 16, 6th stop valve 21, open the first stop valve 11, 3rd stop valve 18, 5th stop valve 20, and make the first stop valve 12 keep certain aperture, the waste gas that sintering machine 1 produces enters electric cleaner 2 by the air outlet of sintering machine 1 and carries out dust removal process, main exhauster 3 is entered again by the air outlet of electric cleaner 2, the Part I entered in the waste gas of main exhauster 3 carries out air quantity adjustment by the first electric control valve 13 on the first pipeline 9, waste gas after adjustment enters grain slag grinding machine 4, and to mix with the grain slag powder in grain slag grinding machine 4 as drier and grain slag powder is dried, the mixture that grain slag powder after oven dry and waste gas are formed enters grain slag powder collector 6 by the outlet of grain slag grinding machine 4, grain slag powder leaches by grain slag powder collector 6 from waste gas, the grain slag powder leached is collected by the user's collection container 5 be communicated with the discharging opening of grain slag powder collector 6, waste gas enters exhaust blower 7 by the outlet of grain slag powder collector 6, and enter the second chimney 82 by the air outlet of exhaust blower 7, the Part II waste gas entering main exhauster 3 enters heat exchanger 19 by the 3rd pipeline 17, and heat exchanger 19 is by heat absorption that waste gas is with using as energy storage, and the waste gas after heat exchange enters the 3rd chimney 83 by the air outlet of heat exchanger 19, the remaining waste gas entering main exhauster 3 enters the first chimney 81 by second pipe 10.If the temperature of waste gas is lower than 200 DEG C, the first stop valve 13 need be closed, and open the 4th stop valve 16 and the 6th stop valve 21, make Part I waste gas (lower than 200 DEG C) enter grain slag grinding machine 4 again after the second electric control valve 14 carries out air quantity adjustment and heater via 15 heats.
Embodiment three is to have set up heat exchanger 19 with the main distinction of embodiment two, the effect of this heat exchanger 19 is if be greater than the exhausted air quantity of drying needed for grain slag powder from the exhausted air quantity of main exhauster 3 discharge, the heat of remaining exhaust gas utilization heat exchanger 19 pairs of waste gas is absorbed using as energy storage or directly apply, such as, heat exchanger 19 is directly by carrying out heat exchange to realize shower, heating etc. with water.
Claims (4)
1. a sintered discharge gas waste heat recycling system, the grain slag grinding machine it is characterized in that, comprise main exhauster that the electric cleaner that is communicated with the air outlet of sintering machine is communicated with the air outlet of described electric cleaner, being communicated with the air outlet of described main exhauster by the first pipeline being provided with the first stop valve and the grain slag powder collector of outlet, the exhaust blower between the air outlet being connected to described grain slag powder collector and the second chimney of described grain slag grinding machine; Described first stop valve is communicated with the first chimney by the second pipe being provided with the second stop valve with the first pipeline between described main exhauster, and the discharging opening of described grain slag powder collector is communicated with user's collection container.
2. sintered discharge gas waste heat recycling system according to claim 1, is characterized in that, also comprises the heating furnace for heat exhaust gases; The air inlet of described heating furnace is by being provided with the 4th pipeline of the 4th stop valve and the first pipeline communication between described first stop valve and described second pipe, and its air outlet is by being provided with the 6th pipeline of the 6th stop valve and the first pipeline communication between described first stop valve and described grain slag grinding machine.
3. sintered discharge gas waste heat recycling system according to claim 2, is characterized in that, described 4th pipeline with the first pipeline between the 6th pipeline is provided with first electric control valve for controlling waste gas air quantity of connecting with described first stop valve; Described 4th pipeline is provided with second electric control valve for controlling waste gas air quantity of connecting with described 4th stop valve.
4. sintered discharge gas waste heat recycling system according to claim 3, is characterized in that, also comprise heat exchanger; Described heat exchanger is by being provided with the 3rd pipeline of the 3rd stop valve and the first pipeline communication between described main exhauster and described 4th pipeline, the air outlet of described heat exchanger is communicated with the 3rd chimney by the 5th pipeline, and described 5th pipeline is provided with the 5th stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513986.8U CN204165407U (en) | 2014-09-05 | 2014-09-05 | A kind of sintered discharge gas waste heat recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513986.8U CN204165407U (en) | 2014-09-05 | 2014-09-05 | A kind of sintered discharge gas waste heat recycling system |
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| Publication Number | Publication Date |
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| CN204165407U true CN204165407U (en) | 2015-02-18 |
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ID=52539089
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| CN201420513986.8U Withdrawn - After Issue CN204165407U (en) | 2014-09-05 | 2014-09-05 | A kind of sintered discharge gas waste heat recycling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197730A (en) * | 2014-09-05 | 2014-12-10 | 秦冶工程技术(北京)有限责任公司 | Sintering exhaust gas waste heat recycling system and method |
-
2014
- 2014-09-05 CN CN201420513986.8U patent/CN204165407U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197730A (en) * | 2014-09-05 | 2014-12-10 | 秦冶工程技术(北京)有限责任公司 | Sintering exhaust gas waste heat recycling system and method |
| CN104197730B (en) * | 2014-09-05 | 2016-03-02 | 秦冶工程技术(北京)有限责任公司 | A kind of sintered discharge gas waste heat recycling system and method |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150218 Effective date of abandoning: 20160302 |
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