CN102589307A - Sintering flue gas waste heat recycling device and sintering equipment with same - Google Patents
Sintering flue gas waste heat recycling device and sintering equipment with same Download PDFInfo
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- CN102589307A CN102589307A CN2012100663265A CN201210066326A CN102589307A CN 102589307 A CN102589307 A CN 102589307A CN 2012100663265 A CN2012100663265 A CN 2012100663265A CN 201210066326 A CN201210066326 A CN 201210066326A CN 102589307 A CN102589307 A CN 102589307A
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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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The invention discloses a sintering flue gas waste heat recycling device and sintering equipment with the same. The sintering flue gas waste heat recycling device comprises a waste heat boiler and a steam turbine, a flue gas inlet of the waste heat boiler is used for being communicated with a flue of a sintering section and/or a flue of a cooling section of a sintering machine so as to receive flue gas from the flue of the sintering section and/or flue gas from the flue of the sintering section of the sintering machine, and a steam inlet of the steam turbine is communicated with a steam outlet of the waste heat boiler so as to receive steam from the waste heat boiler to work. The sintering flue gas waste heat recycling device generates steam by the aid of heat in the received flue gas, the steam is delivered to the steam turbine to lead the steam turbine to work, equipment such as various pumps, compressors, fans and the like can be driven to work after the steam turbine works, and accordingly electric energy consumed by the equipment can be saved.
Description
Technical field
The present invention relates to metallurgical technology field, relate in particular to a kind of sinter fume heat recovery device and agglomerating plant with it.
Background technology
Shown in Figure 1 is agglomerating plant of the prior art, mainly comprises sintering machine 1, in sintering machine 1, is provided with sintering stage flue 2 and cooling section flue 3; An air compartment surplus having ten respectively in these two flues; Flue gas in the flue can be divided into high temperature section, middle-temperature section and low-temperature zone according to Temperature Distribution, and wherein, the temperature range of high temperature section is 250～400 ℃; The temperature range of middle-temperature section is 150～250 ℃, and the temperature range of low-temperature zone is 100～150 ℃.
From Fig. 1, it can also be seen that; Sintering stage flue 2 is connected with an end of cleaner 4 through pipeline respectively with cooling section flue 3; The other end at cleaner 4 is connected with blower fan 5, and the flue gas in sintering stage flue 2 and the cooling section flue 3 is drawn under the effect of this blower fan 5 and carries out dedusting in the cleaner 4 and enter atmosphere through chimney 6 subsequently.
In the discharge process of whole flue gas; Sintering stage flue 2 mixes with the flue gas that cooling stack section 3 is incited somebody to action respectively in whole separately air compartments; Flue gas has also been taken away a large amount of available heats when entering atmosphere by chimney 6; Particularly the flue-gas temperature in the anterior several air compartments of sintering stage flue 2 rear portions and cooling section flue 3 is in 250～400 ℃ the temperature range, has higher waste heat grade, can be used as heat resource fully and uses.But present smelter does not give enough attention to this part heat resource, fails to enter at flue gas and carries out flue gas before the atmosphere and collect and these flue gases are used.
According to statistics; In many production links of smelter, the energy consumption of sintering circuit is very big, is only second to ironmaking; Usually can account for 30～40% of whole sintering circuit total energy consumption with fume emission to the energy that heat consumed in the atmosphere and produce these; If can enter at flue gas and collect utilization to its heat before the atmosphere, will make the utilization of energy meet ladder and utilize principle, improve the utilization rate of ability.
Therefore, need a kind of sinter fume heat recovery device and agglomerating plant, to address the above problem with it.
Summary of the invention
In order to overcome the deficiency of above-mentioned prior art; The invention provides a kind of sinter fume heat recovery device; Comprise: waste heat boiler; The gas approach of said waste heat boiler is used for being communicated with the sintering stage flue and/or the cooling section flue of sintering machine, to receive from the said sintering stage flue of said sintering machine and/or the flue gas of said cooling section flue; And steam turbine, the steam inlet of said steam turbine is communicated with the steam (vapor) outlet of said waste heat boiler, to receive steam and the acting from said waste heat boiler.
Preferably; Said waste heat boiler comprises first waste heat boiler and second waste heat boiler; The gas approach of said first waste heat boiler is used for being communicated with the said sintering stage flue of said sintering machine; To receive the flue gas from the said sintering stage flue of said sintering machine, the gas approach of said second waste heat boiler is used for being communicated with the said cooling section flue of said sintering machine, to receive the flue gas from the said cooling section flue of said sintering machine.
Preferably; Said waste heat boiler is the twin flue waste heat boiler; First gas approach of said twin flue waste heat boiler is used for being communicated with the said sintering stage flue of said sintering machine; To receive flue gas from the said sintering stage flue of said sintering machine; Second gas approach of said twin flue waste heat boiler is used for being communicated with the said cooling section flue of said sintering machine, and to receive the flue gas from the said cooling section flue of said sintering machine, first steam (vapor) outlet of said twin flue waste heat boiler and second steam (vapor) outlet all are communicated with the said steam inlet of said steam turbine.
Preferably, the upstream end at said gas approach is provided with cold blast sliding valve.
Preferably, waste heat boiler advances the upper outlet type waste heat boiler under being.
Preferably, said waste heat boiler also has waste gas outlet, and the downstream part of said waste gas outlet is provided with first blower fan.
Preferably, said sinter fume heat recovery device also comprises cleaner, and said cleaner is communicated with said first blower fan, is used for the waste gas that said first blower fan is discharged is carried out dedusting.
Preferably, said cleaner also has and is used for the mouth that advances that is communicated with the said sintering stage flue of said sintering machine and/or said cooling section flue.
Preferably, said sinter fume heat recovery device also comprises second blower fan that is connected with said cleaner, and said second blower fan is used to discharge the waste gas through after the said cleaner dedusting.
Preferably, said steam turbine is connected with said second blower fan, to drive said second blower fan.
Preferably; The gas approach of said waste heat boiler is used for being communicated with the said sintering stage flue of said sintering machine and/or the high temperature section of said cooling section flue, to receive the flue gas from the high temperature section of the said sintering stage flue of said sintering machine and/or said cooling section flue.
Preferably, said sinter fume heat recovery device also comprises the condensed water circulatory system that is communicated with said steam turbine and said waste heat boiler, and the said condensed water circulatory system comprises: condenser, and said condenser is connected with the steam drain of said steam turbine; And oxygen-eliminating device, an end of said oxygen-eliminating device is communicated with said condenser through first water pump, and the other end is connected with the water return outlet of said waste heat boiler through second water pump.
Preferably, the pipeline between said first water pump and the said oxygen-eliminating device is provided with gland heater.
The present invention also provides a kind of agglomerating plant, and said agglomerating plant comprises: sintering machine, said sintering machine have sintering stage flue and cooling section flue; And above-mentioned sinter fume heat recovery device, the gas approach of the said waste heat boiler of said sinter fume heat recovery device is communicated with the said sintering stage flue and/or the said cooling section flue of said sintering machine.
According to sinter fume heat recovery device of the present invention; Adopt waste heat boiler to receive from the flue gas in the sintering machine flue; Heat in the flue gas that the waste heat boiler utilization receives produces steam, and the steam (vapor) outlet of waste heat boiler is communicated with the steam inlet of steam turbine, so just can the steam of generation be delivered to steam turbine steam turbine is done work; Steam turbine acting back just can drive equipment work such as various pumps, compressor and blower fan, thereby can save the electric energy of these devices consume.
In the summary of the invention part, introduced the notion of a series of reduced forms, this will further explain in specific embodiment part.Content part of the present invention does not also mean that key feature and the essential features that will attempt to limit technical scheme required for protection, does not more mean that the protection domain of attempting to confirm technical scheme required for protection.
Below in conjunction with accompanying drawing, specify advantage of the present invention and characteristic.
Description of drawings
Fig. 1 is the composition sketch map of the agglomerating plant of prior art; And
Fig. 2 is the composition sketch map of the agglomerating plant of a specific embodiment of the present invention.
The specific embodiment
In the description hereinafter, a large amount of concrete details have been provided so that more thorough understanding of the invention is provided.Yet, it will be apparent to one skilled in the art that the present invention can need not one or more these details and be able to enforcement.In other example,, describe for technical characterictics more well known in the art for fear of obscuring with the present invention.
In order thoroughly to understand the present invention, detailed structure will be proposed in following description.Obviously, execution of the present invention is not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present invention is described in detail as follows, yet except these were described in detail, the present invention can also have other embodiments.
The invention discloses a kind of sinter fume heat recovery device; Fig. 1 shows the composition and the syndeton of this sinter fume heat recovery device; As can be seen from Figure 1, sinter fume heat recovery device disclosed by the invention mainly comprises: waste heat boiler 10.The gas approach of this waste heat boiler 10 is used to receive the flue gas from sintering machine 30; Particularly; The gas approach of waste heat boiler 10 can be communicated with cooling section flue 33 with the sintering stage flue 31 of sintering machine 30 according to the mode shown in the figure simultaneously; Also can only be communicated with, perhaps only be communicated with cooling section flue 33 according to the mode that does not illustrate in the drawings with sintering stage flue 31.These three kinds of embodiments can both make waste heat boiler 10 receive the flue gas from sintering machine 30, and the mode that is communicated with sintering stage flue 31 and cooling section flue 33 simultaneously can make waste heat boiler 10 receive more flue gas from sintering machine 30.According to the Temperature Distribution of sintering stage flue 31 with cooling section flue 33 interior flue gases; The front portion of the rear portion of sintering stage flue 31 and cooling section flue 33 belongs to high temperature section; Temperature range is between 250 ℃ to 400 ℃; Having higher energy grade, thus when the gas approach of waste heat boiler 10 being communicated with the flue of sintering machine 30, can preferably gas approach be communicated with this part high temperature section according to above-mentioned three kinds of modes, with the higher flue gas of received energy grade.
After waste heat boiler 10 has received the flue gas of sintering machine 30; The heat that absorbs in this flue gas produces steam; Steam flows out from the steam (vapor) outlet of waste heat boiler 10, and the pipeline of the steam inlet of warp this steam (vapor) outlet of connection and steam turbine 50 gets into steam turbine 50 by the steam inlet of steam turbine 50.Steam turbine 50 receives the power that has just obtained to do work behind the steam can begin acting, and 50 works of steam turbine can be used for driving equipment work or drive motor generatings such as various pumps, compressor and blower fan, to reach the purpose of energy savings.Sinter fume heat recovery device provided by the invention has beyond thought energy-saving effect; Blower fan 5 (as shown in Figure 1) to use steam turbine 50 to drive existing agglomerating plant is example, and the power that steam turbine 50 is provided can account for 50% to 70% of blower fan 5 running power demands.This ratio can adopt mode known in those skilled in the art to calculate; For example calculate the quantity of steam that waste heat boiler 10 can produce earlier; Calculate the power that steam turbine 50 can provide through steam meter again, the power that just can draw steam turbine 50 is provided accounts for the ratio of equipment operation power demand.
Preferred embodiment a kind of according to the present invention; Waste heat boiler 10 comprises first waste heat boiler 11 and second waste heat boiler 13; Wherein, the gas approach of first waste heat boiler 11 is communicated with the sintering stage flue 31 of sintering machine 30, to receive the flue gas from sintering stage flue 31; And the gas approach of second waste heat boiler 13 is communicated with the cooling section flue 33 of sintering machine 30, to receive the flue gas from cooling section flue 33.
First waste heat boiler 11 and second waste heat boiler 13 have received convenient heat generation steam with flue gas behind the flue gas respectively, and the steam that will produce is separately carried to steam turbine 50.Particularly; The steam that first waste heat boiler 11 and second waste heat boiler 13 will produce earlier separately is through pipeline output; To converge be a female pipe for two pipelines subsequently, and two strands of steam also are combined into one and manage continuation along mother and carry and final steam turbine 50 inside that get into to steam turbine 50.This embodiment of simultaneously flue gas of sintering stage flue of sintering machine 30 31 and cooling section flue 33 being introduced waste heat boiler 10 can obtain more thickness gas from sintering machine 30; Make waste heat boiler 10 that more how available heat can be arranged, use thereby produce more steam steam supply turbine 50.
The flue gas in the sintering stage flue 31 that receives sintering machine 30 simultaneously except above-mentioned use first waste heat boiler 11 and second waste heat boiler 13 and the cooling section flue 33, can also use the twin flue waste heat boiler to replace first waste heat boiler 11 and second waste heat boiler 13 to receive the sintering stage flue 31 of sintering machine 30 and the flue gas in the cooling section flue 33 simultaneously.This twin flue waste heat boiler has first gas approach and second gas approach; Can first gas approach be communicated with sintering stage flue 31 during use; Second gas approach is communicated with cooling section flue 33; Meeting heat exchange in two groups of separate heat-exchange systems behind the flue gas entering twin flue waste heat boiler, the steam of generation also get into steam turbine 50 by the steam inlet of steam turbine 50 from first steam (vapor) outlet and the discharge of second steam (vapor) outlet of twin flue waste heat boiler respectively then.
Use above-mentioned twin flue waste heat boiler except can from the sintering stage flue of sintering machine 30 31 and cooling section flue 33, obtaining the flue gas equally, can also make whole sinter fume heat recovery device save occupation space.
Situation for only collecting flue gases from the sintering stage flue 31 or the cooling section flue 33 of sintering machine 30 just can only adopt a waste heat boiler 10 to carry out the collection of flue gas.
In actual production process, tend to regulate as required the temperature of the flue gas that gets into waste heat boiler 10.Need, reduce flue gas the temperature of flue gas when for example flue-gas temperature is higher before getting into waste heat boiler 10; Preferably; Can before on the basis of the specific embodiment introduced the upstream end of the gas approach at waste heat boiler 10 as shown in Figure 2 cold blast sliding valve 70 is set, can introduce cold wind to reduce the temperature of flue gas through opening cold blast sliding valve 70.Further; Can also first blower fan 90 be set at the waste gas outlet downstream part that is positioned at waste heat boiler 10; When hanging down with the temperature of convenient flue gas; Can suitably reduce the rotating speed of first blower fan 90, to prevent because of the too high flue gas that too much sucks the lower temperature in sintering machine 30 flues of first blower fan, 90 rotating speeds.In addition, first blower fan 90 is set changes the flow that gets into the flue gas in the waste heat boiler 10, to improve the controllability of sinter fume heat recovery device provided by the invention.
Some solid impurities owing to can mix in the flue gas; These solid impurities can cause damage to production equipment; Also pollute the environment if be discharged in the air; Therefore preferably, advance the upper outlet type waste heat boiler under the waste heat boiler 10 in the specific embodiment of before introducing adopts, promptly the position of the waste gas outlet of waste heat boiler 10 is higher than the position of gas approach; Proportion with by solid impurity is separated from the gas with solid impurity better greater than the characteristics of specific gravity of gas, guarantees the normal operation of waste heat boiler 10.
According to present production procedure, the waste gas that waste heat boiler 10 produces finally will be discharged in the air, in order to meet the discharge standard of country, reduces the influence of waste gas to environment, and this sinter fume heat recovery device also includes cleaner 20.Waste heat boiler 10 has been introduced in the front can adopt the twin flue waste heat boiler, also can adopt first waste heat boiler 11 and second waste heat boiler 13, and can also only use a waste heat boiler 10.Because above-mentioned these several kinds of waste heat boilers 10 all have waste gas outlet; So this cleaner 20 can be communicated with first blower fan 90 that is arranged on the exhanst gas outlet downstream; Be used for the waste gas that first blower fan 90 is discharged is carried out dedusting, first blower fan 90 can also play the waste gas that waste heat boiler 10 is discharged at this moment and be delivered to the effect that cleaner 20 carries out dedusting except having the flue gas flow of regulating entering waste heat boiler 10.
For the situation of using the twin flue waste heat boiler, can use two first blower fans 90, each first blower fan 90 can connect a cleaner 20 separately, also can two first blower fans 90 be connected a cleaner 20 simultaneously.For the situation of using first waste heat boiler 11 and second waste heat boiler 13; Can be respectively first waste heat boiler 11 and second waste heat boiler, 13 outfits, first blower fan 90; Equally, these two first blower fans 90 both can connect a cleaner 20 separately and also can connect a cleaner 20 simultaneously.At last to only using the situation of a waste heat boiler 10 that one first blower fan 90 and a cleaner 20 that is connected with this first blower fan 90 can only be set.But it will be appreciated that; It is exemplary that foregoing description is merely; Therefore be not to be intended to the quantity and first blower fan 90 of first blower fan 90 and cleaner 20 are limited with the connected mode of cleaner 20 with waste heat boiler 10, those skilled in the art can rationally be provided with it according to its needs.
The source of waste gas is except waste heat boiler 10; The sintering stage flue 31 of sintering machine 30 and cooling section flue 33 also can combustion gas; Therefore preferably; Can cleaner 20 be communicated with the sintering stage flue 31 and/or the cooling section flue 33 of sintering machine 30, be used for absorbing the waste gas of sintering stage flue 31 and/or 33 discharges of cooling section flue.Certainly; Also can on cleaner 20, be provided for the mouth that advances that is communicated with the sintering stage flue 31 of sintering machine 30 and/or cooling section flue 33; Cleaner 20 just can absorb the waste gas from waste heat boiler 10 and sintering machine 30 simultaneously like this; Needn't be separately that sintering machine 30 is equipped with cleaner 20, practice thrift equipment cost.
Further, this sinter fume heat recovery device comprises that also second blower fan, 40, the second blower fans 40 are connected with cleaner 20, is used for the waste gas after the dedusting (for example via chimney 60) is transported to environment.With reference to top description, when this sinter fume heat recovery device comprises a plurality of cleaner 20, can be equipped with one second blower fan 40 for each cleaner 20, also can only use one second blower fan 40 that the waste gas after the dedusting is transported in the environment.When this sinter fume heat recovery device comprises a cleaner 20, can only be equipped with one second blower fan 40.It is understandable that, above-mentioned about second blower fan 40 quantity and be merely exemplary with the description of the connected mode of cleaner 20, therefore should not be construed as limitation of the present invention.
Once mentioned before this paper; Steam turbine 50 can be used for driving equipment work such as various pumps, compressor and blower fan, and has used first blower fan 90 and second blower fan 40 in the specific embodiment of sinter fume heat recovery device of the present invention, so just can steam turbine 50 be connected with first blower fan 90 or second blower fan 40; To drive first blower fan 90 or second blower fan 40; Because the three is the part of sinter fume heat recovery device, belongs to same system, therefore on connecting, can save some intermediate links; Reduce the connection difficulty of equipment room, also guaranteed the transmission efficiency of energy simultaneously.
Particularly, this condensed water circulatory system 80 mainly comprises: condenser 81, and this condenser 81 is connected with the steam drain of steam turbine 50, receives the exhaust steam of steam turbine 50 discharges and discharges condensed water; And oxygen-eliminating device 83; One end of this oxygen-eliminating device 83 is communicated with condenser 81 to receive the condensed water that condenser 81 is discharged through first water pump 85, and the other end of oxygen-eliminating device 83 is connected condensed water is delivered to waste heat boiler 10 with the water return outlet of waste heat boiler 10 through second water pump 87.Overlap effective utilization that condensed water circulatory system 80 has realized condensed water, the energy resource consumption of further having saved whole sinter fume heat recovery device through this.
Preferably; Can also on the pipeline between first water pump 85 and the oxygen-eliminating device 83, gland heater 89 be set; Be used for extracting out the vapour gas mixture of steam turbine 50 sealing systems; Prevent that steam from draining to the destruction of causing environmental pollution and oil steam turbine building and the oil system from external gland, play and improve the workshop environment, reduce the effect that energy loss improves generatine set heat efficiency.
On the other hand, the invention also discloses a kind of agglomerating plant, as shown in Figure 2, this agglomerating plant comprises sintering machine 30, in sintering machine 30, is provided with sintering stage flue 31 and cooling section flue 33; And above-mentioned sinter fume heat recovery device, this sinter fume heat recovery device constitutes a cover complete agglomerating plant with being communicated with of flue of sintering machine 30 with sintering machine 30 through the gas approach of waste heat boiler 10.The two concrete connected mode can be that the gas approach of waste heat boiler 10 is communicated with cooling section flue 33 with the sintering stage flue 31 of sintering machine 30 simultaneously, also can from sintering stage flue 31 and cooling section flue 33, select a connection.
Agglomerating plant disclosed by the invention has been realized the effective utilization to the flue gas in the sintering machine flue because of having above-mentioned sinter fume heat recovery device, and then has practiced thrift the energy.
The present invention is illustrated through the foregoing description, but should be understood that, the foregoing description just is used for for example and illustrative purposes, but not is intended to the present invention is limited in the described scope of embodiments.It will be appreciated by persons skilled in the art that in addition the present invention is not limited to the foregoing description, can also make more kinds of variants and modifications according to instruction of the present invention, these variants and modifications all drop in the present invention's scope required for protection.Protection scope of the present invention is defined by appended claims book and equivalent scope thereof.
Claims (14)
1. a sinter fume heat recovery device is characterized in that, comprising:
Waste heat boiler, the gas approach of said waste heat boiler are used for being communicated with the sintering stage flue and/or the cooling section flue of sintering machine, to receive from the said sintering stage flue of said sintering machine and/or the flue gas of said cooling section flue; And
Steam turbine, the steam inlet of said steam turbine is communicated with the steam (vapor) outlet of said waste heat boiler, to receive steam and the acting from said waste heat boiler.
2. according to the described sinter fume heat recovery of claim 1 device; It is characterized in that; Said waste heat boiler comprises first waste heat boiler and second waste heat boiler; The gas approach of said first waste heat boiler is used for being communicated with the said sintering stage flue of said sintering machine; To receive the flue gas from the said sintering stage flue of said sintering machine, the gas approach of said second waste heat boiler is used for being communicated with the said cooling section flue of said sintering machine, to receive the flue gas from the said cooling section flue of said sintering machine.
3. according to the described sinter fume heat recovery of claim 1 device; It is characterized in that; Said waste heat boiler is the twin flue waste heat boiler; First gas approach of said twin flue waste heat boiler is used for being communicated with the said sintering stage flue of said sintering machine, and to receive the flue gas from the said sintering stage flue of said sintering machine, second gas approach of said twin flue waste heat boiler is used for being communicated with the said cooling section flue of said sintering machine; To receive the flue gas from the said cooling section flue of said sintering machine, first steam (vapor) outlet of said twin flue waste heat boiler and second steam (vapor) outlet all are communicated with the said steam inlet of said steam turbine.
4. according to the described sinter fume heat recovery of claim 1 device, it is characterized in that, be provided with cold blast sliding valve at the upstream end of said gas approach.
5. according to the described sinter fume heat recovery of claim 1 device, it is characterized in that said waste heat boiler advances the upper outlet type waste heat boiler under being.
6. according to the described sinter fume heat recovery of claim 1 device, it is characterized in that said waste heat boiler also has waste gas outlet, the downstream part of said waste gas outlet is provided with first blower fan.
7. according to the described sinter fume heat recovery of claim 6 device; It is characterized in that; Said sinter fume heat recovery device also comprises cleaner, and said cleaner is communicated with said first blower fan, is used for the waste gas that said first blower fan is discharged is carried out dedusting.
8. according to the described sinter fume heat recovery of claim 7 device, it is characterized in that said cleaner also has and is used for the mouth that advances that is communicated with the said sintering stage flue of said sintering machine and/or said cooling section flue.
9. according to the described sinter fume heat recovery of claim 7 device; It is characterized in that; Said sinter fume heat recovery device also comprises second blower fan that is connected with said cleaner, and said second blower fan is used to discharge the waste gas through after the said cleaner dedusting.
10. according to the described sinter fume heat recovery of claim 9 device, it is characterized in that said steam turbine is connected with said second blower fan, to drive said second blower fan.
11. according to the described sinter fume heat recovery of claim 1 device; It is characterized in that; The gas approach of said waste heat boiler is used for being communicated with the said sintering stage flue of said sintering machine and/or the high temperature section of said cooling section flue, to receive the flue gas from the high temperature section of the said sintering stage flue of said sintering machine and/or said cooling section flue.
12. according to the described sinter fume heat recovery of claim 1 device; It is characterized in that; Said sinter fume heat recovery device also comprises the condensed water circulatory system that is communicated with said steam turbine and said waste heat boiler, and the said condensed water circulatory system comprises:
Condenser, said condenser is connected with the steam drain of said steam turbine; And
Oxygen-eliminating device, an end of said oxygen-eliminating device is communicated with said condenser through first water pump, and the other end is connected with the water return outlet of said waste heat boiler through second water pump.
13., it is characterized in that the pipeline between said first water pump and the said oxygen-eliminating device is provided with gland heater according to the described sinter fume heat recovery of claim 12 device.
14. an agglomerating plant is characterized in that, said agglomerating plant comprises:
Sintering machine, said sintering machine have sintering stage flue and cooling section flue; And
Like each described sinter fume heat recovery device in the claim 1 to 13, the gas approach of the said waste heat boiler of said sinter fume heat recovery device is communicated with the said sintering stage flue and/or the said cooling section flue of said sintering machine.
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Cited By (5)
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| CN103615908A (en) * | 2013-12-11 | 2014-03-05 | 北京志能祥赢节能环保科技有限公司 | Combined waste heat recycling system for stepping-type flat-burning sintering machine |
| CN106766951A (en) * | 2016-11-28 | 2017-05-31 | 北京天朗致达节能环保科技有限公司 | A kind of step-by-step movement puts down the waste-heat recovery device and recovery method for burning sintering machine |
| CN110529834A (en) * | 2019-09-18 | 2019-12-03 | 西安华江环保科技股份有限公司 | A kind of dry coke quenching superhigh temperature super-pressure parameter co-generation unit and method |
| CN111425276A (en) * | 2020-04-10 | 2020-07-17 | 陈禹 | FCERS energy recovery system and method for sintering system |
| CN112815728A (en) * | 2021-01-22 | 2021-05-18 | 秦皇岛新特科技有限公司 | Flue gas purification device of on-board cooling sintering machine |
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| US4536211A (en) * | 1982-05-18 | 1985-08-20 | Sumitomo Metal Industries, Ltd. | Waste gas circulation method and system for sintering apparatus |
| JPH11223468A (en) * | 1998-02-09 | 1999-08-17 | Sumitomo Metal Ind Ltd | Inlet gas temperature controller for waste heat recovery boiler of sintering machine |
| CN101806230A (en) * | 2010-03-19 | 2010-08-18 | 湖南永清环保股份有限公司 | System and method for using sintering waste heat to generate electricity |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615908A (en) * | 2013-12-11 | 2014-03-05 | 北京志能祥赢节能环保科技有限公司 | Combined waste heat recycling system for stepping-type flat-burning sintering machine |
| CN103615908B (en) * | 2013-12-11 | 2015-03-11 | 北京志能祥赢节能环保科技有限公司 | Combined waste heat recycling system for stepping-type flat-burning sintering machine |
| CN106766951A (en) * | 2016-11-28 | 2017-05-31 | 北京天朗致达节能环保科技有限公司 | A kind of step-by-step movement puts down the waste-heat recovery device and recovery method for burning sintering machine |
| CN106766951B (en) * | 2016-11-28 | 2019-03-29 | 北京天朗致达节能环保股份有限公司 | A kind of flat waste-heat recovery device and recovery method for burning sintering machine of step-by-step movement |
| CN110529834A (en) * | 2019-09-18 | 2019-12-03 | 西安华江环保科技股份有限公司 | A kind of dry coke quenching superhigh temperature super-pressure parameter co-generation unit and method |
| CN111425276A (en) * | 2020-04-10 | 2020-07-17 | 陈禹 | FCERS energy recovery system and method for sintering system |
| CN112815728A (en) * | 2021-01-22 | 2021-05-18 | 秦皇岛新特科技有限公司 | Flue gas purification device of on-board cooling sintering machine |
| CN112815728B (en) * | 2021-01-22 | 2023-06-20 | 秦皇岛新特科技有限公司 | Flue gas purifying device of on-board cooling sintering machine |
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Application publication date: 20120718 |