CN208920882U - A kind of perpendicular device for cooling using sintering flue gas and sinter heat exchange - Google Patents
A kind of perpendicular device for cooling using sintering flue gas and sinter heat exchange Download PDFInfo
- Publication number
- CN208920882U CN208920882U CN201821376006.9U CN201821376006U CN208920882U CN 208920882 U CN208920882 U CN 208920882U CN 201821376006 U CN201821376006 U CN 201821376006U CN 208920882 U CN208920882 U CN 208920882U
- Authority
- CN
- China
- Prior art keywords
- sinter
- flue gas
- cooling
- gas
- sintering flue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model relates to a kind of perpendicular device for cooling using sintering flue gas and sinter heat exchange, belong to sintering mine sensible heat and sintering flue gas heat recovery technology field.The perpendicular device for cooling include sintering flue gas unit, cold air unit, hot fume processing unit, furnace structure unit, the furnace body structural unit of resistance to material and it is cooling after sinter discharging unit；Sintering flue gas carries out gas-solid two-phase reverse heat-exchange twice with sinter by gas cap, lower gas cap and the outlet of sintering flue gas subregion gas cap on sintering flue gas center；Cold air by cooling down sinter in sinter subregion elevating hopper and circumferential weld cooling chamber twice, sinter after cooling exports perpendicular device for cooling by sinter discharging unit, and the hot fume after sintering flue gas and cold air heat exchange draws perpendicular device for cooling by flue gas exit pipe road.The utility model exchanges heat to red heat sinter by sintering flue gas and cold air, realizes the high efficiente callback of sintering mine sensible heat and sintering flue gas waste heat, and the rate of recovery provides condition up to 80~85%, for follow-up sintering denitrating flue gas.
Description
Technical field
The utility model belongs to sintering mine sensible heat and flue gas waste heat recovery technology field, more particularly to using sintering flue gas with
The perpendicular device for cooling of sinter heat exchange, belongs to gas cleaning and heat recovery technology field.
Background technique
Sintering process is to be arranged into sintering after fuel, solvent and iron-bearing material are mixed according to a certain percentage, distributed
It on machine trolley, then lights a fire under~1250 DEG C of firing temperature, mixed fuel is made to burn on the sintering machine trolley,
Ignition temperature is up to 1350~1600 DEG C, and the heat that fuel combustion releases makes bed of material Minerals in molten condition.With combustion
It burns layer and moves down and pass through with cold air, the melting liquid phase of generation is cooled, is recrystallized into mesh when being cooled to 1000~1100 DEG C
The sinter of structure, then the high temperature sinter of generation is cooled down, cooling sinter temperature drops to 120 DEG C hereinafter, screened
Blast furnace is sent to by belt feeder afterwards.UTILIZATION OF VESIDUAL HEAT IN in the technical process can be divided into two stages: sintering and cooling.In sintering rank
Section, fuel combustion discharge a large amount of thermal energy；In cooling stage, sintering mine sensible heat discharges low in a large amount of during cooled
Warm energy.This two parts residual heat resources is all discharged in atmosphere in the form of exhaust gas in traditional sintering process, causes environment
Pollution and the wasting of resources.If energy waste can not only be reduced by being recycled to this two parts residual heat resources, while can also
Good economic and social benefit is brought to enterprise.
Sintering machine UTILIZATION OF VESIDUAL HEAT IN mainly has two kinds of approach of sinter cooling residual heat and flue collector fume afterheat.Wherein, main cigarette
Road fume afterheat accounts for the 13%~23% of sintering process energy consumption, and cooling machine waste gas waste heat (sinter cooling residual heat) accounts for sintering process
The 19%~35% of energy consumption, sum of the two are up to 51%, and the yield of theoretical secondary energy sources is 0.62GJ/t, converts into mark coal
21.16kg/t。
China's sintering process energy consumption accounts for the 12% of steel and iron industry total energy consumption, contains huge waste heat recycling potentiality.Currently,
Large and medium-sized sintering machine is cooling using straight line cooler or annular cooler.There are air leak rate of air curtain height in Exposure degree and on
The drawbacks such as (30% or more), air quantity is big, and hot waste gas quality is low.Recycling heat accounts for about the 23% of sintering mine sensible heat, domestic waste heat hair
Electricity 6~18kWh/t- sinter.
In sinter cooling procedure, the high efficiente callback and utilization of high temperature sinter sensible heat are to reduce sintering process energy consumption
Effective way, and the selection of cooling technique or device is the key that determine waste heat recovery efficiency.Currently, rotary forced-air cooler
It is both at home and abroad using a kind of most commonly used cooling equipment of sinter, essence is the fixed bed of heat transfer between gas.It is this to cool back
There is the problems such as serious, recovery waste heat grade and efficiency are relatively low that leak out for debit's formula.
The high efficiente callback and utilization of sintering waste heat are to reduce the important measures of sintering process energy consumption.Contrastingly, sinter
Sensible heat radix is larger, can efficiently be carried by air for carrier.And sintering flue gas sensible heat negligible amounts are a little, low (the sintering cigarette of quality
The mean temperature of gas is only 150~200 DEG C), and wherein complicated component multiplicity, especially a variety of polluted gas and dust etc. along
Sintering machine length changes.In view of this, the efficient collection of sintering mine sensible heat part and using being that entire sintering subtracts can synergy
Center.
Cooling sinter domestic at present mainly uses blowing-type ring cold or with cold technique, there are high failure rate, maintenance are frequent
And difficulty is big, operation power consumption is high, a little more, inleakage big (more than 30%), the thermal parameter of leaking out fluctuate greatly, cooling effect is poor, returns mine
The high drawback of rate.For sinter during cooling, thermal energy becomes exhaust gas sensible heat, and exhaust gas temperature is between 100~360 DEG C, tool
The features such as total amount that has surplus heat is big, dustiness is high, seriously polluted is always the difficult point of steel production UTILIZATION OF VESIDUAL HEAT IN and environmental improvement.
Therefore, sintering waste heat recycling is the important link that steel industry realizes energy-saving and emission-reduction.
Utility model content
In view of above-mentioned analysis, the utility model is intended to provide a kind of perpendicular cold charge using sintering flue gas and sinter heat exchange
It sets, to solve in the prior art: (1) cooling sensible heat is unable to fully benefit on sintering machine red heat pelletizing (i.e. red heat sinter) machine
With；(2) ring cold machine inleakage is big, and Exposure degree low efficiency, hot fume temperature is low after heat exchange, and the hot quality of flue gas is low；(3) it is sintered cigarette
Gas waste heat fails to be recycled, and a large amount of thermal energy is caused to waste；(4) the independent denitration of sintering flue gas needs the outer afterburning that gives gas to add
Heat, energy consumption increase, technical problem at high cost.
The purpose of this utility model is mainly achieved through the following technical solutions:
The utility model provides a kind of perpendicular device for cooling using sintering flue gas and sinter heat exchange, which is characterized in that perpendicular
Device for cooling includes sintering flue gas unit；Sintering flue gas unit includes sintering flue gas blast entrance pipeline, sintering flue gas center supervisor
Road, the upper and lower gas cap in sintering flue gas center, sintering flue gas subregion pipeline and sintering flue gas subregion gas cap；Sintering flue gas center supervisor
Road is connected to blast entrance pipeline, and sintering flue gas subregion pipeline is connected to sintering flue gas center main pipeline, on sintering flue gas center,
Lower gas cap tandem is connected to the upper end of sintering flue gas center main pipeline together, the sintering flue gas subregion gas cap respectively with sintering cigarette
Respectively subregion pipeline is connected to gas.
Preferably, perpendicular cold charge is set to closed shaft cooler, from top to bottom successively includes that red heat is burnt in shaft cooler
Mine material feeding region, sinter storage material area, sinter heat transfer zone, sinter cooling zone and sinter discharge zone；Sinter heat transfer zone packet
Include sinter center heat transfer zone and two sinter subregion heat transfer zones.
Preferably, the shaft cooler further includes cold air unit；Cold air unit includes cold air blast entrance pipe
Gas tank, circumferential weld cooling chamber, perpendicular device for cooling upper beam and elevating hopper side seam cold air gas outlet under road, cold air；Gas under cold air
Case is connected with cold air blast entrance pipeline, gas tank and circumferential weld cooling chamber, perpendicular device for cooling crossbeam and elevating hopper side seam under cold air
The connection of cold air gas outlet；Cold air successively enters gas tank under cold air, gas tank under cold air through cold air blast entrance pipeline
In small part cold air enter the furnace body of vertical cooling device through perpendicular device for cooling upper beam and elevating hopper side seam cold-air vent
It is interior；Most of cold air under cold air in gas tank enters circumferential weld cooling chamber；Circumferential weld cooling chamber by sinter subregion elevating hopper and
The chamber portion being sintered between subregion lower hopper is constituted.
Preferably, perpendicular device for cooling further includes hot fume processing unit, furnace structure unit and the furnace body structural unit of resistance to material；
Hot fume processing unit is used to that the hot fume after heat exchange to be discharged；Furnace structure unit is used to support perpendicular device for cooling；The furnace body knot of resistance to material
Structure unit is for reducing thermal loss in perpendicular device for cooling furnace body.
Preferably, hot fume processing unit includes the hot fume ventilative resistance to material structure of ring, hot fume gas chamber, hot fume gas chamber
Knee wall, hot fume output channel；In air flue and perpendicular device for cooling of the hot fume gas chamber by the ventilative resistance to material structure of ring of hot fume
Sinter heat transfer zone communicates；Hot fume output channel is communicated with hot fume gas chamber；Hot fume gas chamber knee wall is for preventing from being sintered
The mine storage material area resistance to material structure of wall is collapsed waist.
Preferably, furnace structure unit includes perpendicular black furnace body annular steel construction, hot fume gas chamber manhole, erects cold center sub-material
Wear-resistant crossbeam, perpendicular device for cooling crossbeam, the perpendicular wear-resistant shield of device for cooling crossbeam, sinter subregion elevating hopper, subregion elevating hopper edge are anti-
Grind shield, the wear-resistant structure of subregion elevating hopper, sinter subregion lower hopper, the wear-resistant structure of subregion lower hopper and sinter subregion blanking
Bucket；Sinter subregion lower hopper is connected to sinter discharging unit；
Cold furnace binding is erected to be installed on perpendicular device for cooling pedestal by erecting cold crossbeam frame and erecting cold bridle iron；It erects in cold
The wear-resistant crossbeam of heart sub-material is used for sinter subregion material toggling；Perpendicular device for cooling upper beam and perpendicular device for cooling lower beam with furnace body ring steel
Structure and sintering flue gas center main pipeline lateral connection are integrated, and sinter subregion elevating hopper is fixed on the adjacent upper cross of perpendicular device for cooling
The two sides of beam, sinter subregion lower hopper are fixed on the two sides of the adjacent lower beam of perpendicular device for cooling, sintering flue gas center main pipeline
Top and bottom are fixedly connected with perpendicular device for cooling upper beam and perpendicular device for cooling lower beam respectively.
Preferably, sinter discharging unit includes sinter discharging Taper Pipe, subregion discharging straight tube and subregion vibration discharging machine；
The upper end of sinter discharging Taper Pipe is connected to sinter subregion lower hopper, the lower end of sinter discharging Taper Pipe and sintering
Mine discharging straight tube connection, sinter discharge straight tube port equipped with vibration discharging machine, vibrate discharging motor spindle and be equipped with outfeed belt cover,
Outfeed belt cover bottom is equipped with sinter outfeed belt.
Preferably, the furnace body structural unit of resistance to material includes the resistance to material structure of upper cone section, the resistance to material structure of sinter storage material area wall, heat
Hot fume output channel is resistance to after the resistance to material structure of flue gas gas chamber, the ventilative resistance to material structure of ring, the resistance to material structure in sinter heat transfer zone, heat exchange
Material structure；
The resistance to material structure of the resistance to material structure of upper cone section and sinter heat transfer zone is divided into three layers from furnace from inside to outside, is followed successively by refractory heavy
Wear-resistant refractory brick or cast bed of material, heat-insulated brick layer, heat-preservation cotton or heat preservation carpet veneer；The resistance to material structure of hot fume gas chamber and hot fume output
The resistance to material structure of pipeline uses refractory brick, castable, lightweight thermal insulation brick, lightening casting material, heat-preservation cotton or insulation quilt；Storage material area wall
Resistance to material structure uses the wear-resistant refractory brick of heavy；The ventilative resistance to material structure of ring uses the wear-resistant castable refractory prefabricated component of heavy.
Preferably, on-line checking dress is equipped on the outlet pipe of the admission line and hot fume of sintering flue gas and cold air
It sets, for detecting the temperature, pressure and flow of sintering flue gas, cold air and hot fume；Temperature is equipped at sinter discharging straight tube
Detector, and pass through vibration discharging machine frequency control sinter discharge quantity.
Preferably, hot fume gas room pressure is negative pressure, and negative pressure is ventilative by hot fume for hot fume after guaranteeing heat exchange
The resistance to material structure air flue of ring enters annular hot fume gas chamber, and extracts shaft cooler, final output out by subsequent induced draught system
Hot fume temperature be 320~550 DEG C, then drawn by hot fume output channel, into subsequent denitration, waste heat boiler, desulfurization and
Dust pelletizing system.
Compared with prior art, the utility model has the following beneficial effects:
Shaft cooler is using sintering flue gas as cooling medium and the reverse gas-solid heat exchange of red heat sinter, red heat sinter
It moves from top to bottom, cooling medium blasts the heat exchange mode in closed shaft cooler from bottom to top.Shaft cooler waste heat
Recycling has the following characteristics that
(1) cooling equipment air leak rate of air curtain substantially reduces: the air leak rate of air curtain of normal sintering mine cooling device is up to 30% or more, larger
Air leak rate of air curtain make the power consumption of blower increase, be sintered ore bed poor air permeability.Shaft cooler is using closed chamber to sinter
It is cooled down, good air-tightness makes its air leak rate of air curtain close to zero.The operation of shaft cooler overall process negative pressure, no dust emission.
(2) cooling equipment gas-solid heat exchange efficiency improves: in normal sintering mine cooling device, sinter horizontal movement is cooling
Gas is sent by the bottom of cooling device, and the heat exchanged form of the two is distributary heat exchange.And shaft cooler is used and is inversely changed
Heat, sinter enter from the top of shaft cooler, lower part discharge；Cooling medium is sent into from the blowing air down of shaft cooler,
Top extraction, thereby realizes reverse heat-exchange, heat-exchanger rig efficiency is made to obtain larger raising, the utilization rate of heat sinter sensible heat
More than 80%.
(3) waste heat of sintering flue gas has been recycled as cooling medium using sintering flue gas, has improved the temperature of flue gas after heat exchange
Degree is that the subsequent denitration of sintering flue gas creates advantage, is not necessarily to subsequent afterburning denitration.
(4) hot waste gas grade improves: the Temperature Distribution of normal sintering mine cooling device hot waste gas is wider (150~450 DEG C),
This brings larger difficulty to waste heat recycling.If used after the hot waste gas after all heat exchange is mixed, hot waste gas grade will
It substantially reduces, causes utilization rate of waste heat lower.If only utilizing the higher hot waste gas of temperature, the cooler residual heat resources rate of recovery
It is lower.The reverse heat-exchange mode of vertical cooling makes heatrejection tend towards stability, and improves recycling sintering mine sensible heat comprehensively
Quality, while in the higher level for making all outlet ports heatrejection be maintained at 320~550 DEG C, it is exported than conventional chilling machine
Heatrejection is higher by 150 DEG C or more.And ring cold machine only has high temperature section exhaust gas temperature higher, a large amount of low temperature waste gas waste heat recycling
Investment is big, and recovery efficiency is low.Vertical cooling because exhaust gas temperature height, exhaust gas all recycle, ton mine generated energy up to 28~35kWh,
One times is almost higher by than 15~18kWh of ring cold machine ton power generation；
(5) improve product quality: ring cold machine heat-exchange time is partially short (60-80min), heat sinter piling height in ring cold machine
Generally 1.4~1.6m is so limited, and heat-exchange time is short between heat sinter and cold air, is exchanged heat insufficient.If it is thick to increase the bed of material
Degree, not only will increase cooling power consumption, but also will lead to sinter and be unable to fully cool down.And shaft cooler due to cooling medium from
Under up flow, and heat sinter moves from top to bottom, while cooling time long 2~3.5h, the general 4~6m of thickness of feed layer, burns
It is slow to tie mine cooling rate, sintering ore pulverization rate reduces by 10%, is conducive to improve sinter strength and yield, is also beneficial to blast furnace and improves production
Amount.
(6) operating cost is low: the key position of shaft cooler uses heat-resistance abrasion-resistance alloy material, and structure type is sufficiently examined
Consider the influence that thermal stress generates it under the high temperature conditions, therefore service life is longer, be unlikely to deform, exempts to tie up in service life
Shield, a service life is more than 3 years.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitations of the present invention, entire
In attached drawing, identical reference symbol indicates identical component.
Fig. 1 is the perpendicular device for cooling structure front view provided by the utility model using sintering flue gas and sinter heat exchange；
Fig. 2 a is perpendicular device for cooling top view (the sintering cigarette provided by the utility model for utilizing sintering flue gas and sinter to exchange heat
4 subregion gas cap of gas)；
Fig. 2 b is perpendicular device for cooling top view (the sintering cigarette provided by the utility model for utilizing sintering flue gas and sinter to exchange heat
6 subregion gas cap of gas)；
Fig. 2 c is perpendicular device for cooling top view (the sintering cigarette provided by the utility model for utilizing sintering flue gas and sinter to exchange heat
8 subregion gas cap of gas)；
Fig. 3 perpendicular device for cooling left view provided by the utility model using sintering flue gas and sinter heat exchange；
Fig. 4 is the ventilative ring air flue top view of resistance to material provided by the utility model；
Appended drawing reference:
1- sintering flue gas center main pipeline；Gas cap on 2- sintering flue gas center；Gas cap under 3- sintering flue gas center；4- sintering
Flue gas subregion gas cap；5- sintering flue gas enters pipeline；6- sinter subregion elevating hopper；7- sinter subregion lower hopper；8- erects cold
Crossbeam frame；9- erects the wear-resistant shield of cold crossbeam；10- erects the cold wear-resistant crossbeam of center sub-material；The wear-resisting shield of 11- elevating hopper edge；12-
The wear-resisting shield of subregion gas cap pipeline；The wear-resistant structure of 13- subregion lower hopper；The wear-resistant structure of 14- subregion elevating hopper；15- sinter enters
Expect area；16- sinter storage material area；17- sinter heat transfer zone；18- sinter cooling zone；19- sinter discharge zone；20- erects cold
Furnace body；The resistance to material structure of 21- upper cone section；The resistance to material structure of 22- hot fume gas chamber；23- hot fume gas chamber；The resistance to material structure of 24- wall；
25- hot fume is breathed freely the resistance to material structure of ring；26- hot fume gas chamber knee wall；27- hot fume output channel；28- hot fume air inducing
System；29- sinter discharging Taper Pipe；30- sinter discharging straight tube；Gas tank under 31- cold air；Sinter discharges after 32- is cooling
Belt；33- erects device for cooling pedestal；34- vibrates discharging machine；35- outfeed belt cover；36- erects cold bridle iron；37- cold air air blast
Inlet duct；38- hot fume gas chamber supports wall displacement；39- hot fume gas chamber manhole；40- erects device for cooling lower beam；41- is ventilative
The resistance to material structure air flue of ring.
Specific embodiment
Specifically describe the preferred embodiment of the utility model with reference to the accompanying drawing, wherein attached drawing constitutes the application one
Point, and be used to illustrate the principles of the present invention together with the embodiments of the present invention, it is not intended to limit the utility model
Range.
The utility model provides a kind of perpendicular device for cooling using sintering flue gas and sinter heat exchange, and erecting device for cooling includes burning
Tie flue gas unit；Sintering flue gas unit includes that sintering flue gas enters pipeline 5, sintering flue gas center main pipeline 1, sintering flue gas center
Gas cap 3, sintering flue gas subregion pipeline and sintering flue gas subregion gas cap 4 under upper gas cap 2, center；Sintering flue gas center main pipeline 1 with
The connection of blast entrance pipeline, sintering flue gas subregion pipeline are connected to sintering flue gas center main pipeline 1, gas cap on sintering flue gas center
2, lower 3 tandem of gas cap is connected to the upper end of sintering flue gas center main pipeline 1 together, sintering flue gas subregion gas cap 4 and sintering flue gas
The connection of subregion pipeline.Sintering flue gas subregion blast cap 4 according to perpendicular device for cooling type of furnace size be divided into four subregion gas caps, six subregion gas caps or
Octant gas cap；Four subregions, six subregions or octant gas cap are evenly distributed on the circumferential direction of the upper and lower gas cap in sintering flue gas center
On.
Specifically, as shown in figures 1 and 3, the sintering flue gas temperature that flue is extracted out from sintering machine is 105~180
DEG C, sintering flue gas is entered pipeline 5 by sintering flue gas by air blower and blasts sintering flue gas center by sintering flue gas after electric precipitation
Main pipeline 1,1 upper end of sintering flue gas center main pipeline are equipped on sintering flue gas center gas cap 3 under gas cap 2 and center, gas on center
3 tandem of gas cap is arranged under cap 2 and center, and the upper and lower gas cap in sintering flue gas center is pyramidal structure, and pyramidal structure is equipped with sintering cigarette
The radial outlet of gas；Sintering flue gas center main pipeline 1 is vertically arranged, 3 lower central of the gas cap supervisor under sintering flue gas center
1 aperture of road is equipped with sintering flue gas subregion pipeline, and sintering flue gas subregion pipeline is in circumferential radial arrangement, each sintering flue gas subregion pipe
Road is equipped with sintering flue gas subregion gas cap 4, and sintering flue gas subregion gas cap 4 is pyramidal structure and its top is put equipped with sintering flue gas
Penetrate shape outlet；Sintering flue gas after electric precipitation through sintering flue gas center main pipeline 1 and passes through 2 He of gas cap on sintering flue gas center
Gas cap 3 enters in perpendicular device for cooling furnace body under sintering flue gas center, carries out first time heat exchange to sinter；Sintering flue gas subregion pipeline
Interior sintering flue gas enters sintering flue gas subregion gas cap 4, and enters perpendicular device for cooling furnace body through its corresponding sintering flue gas outlet, right
Sinter after exchanging heat for the first time carries out two subzone heat exchange.It should be noted that in order to sufficiently exchange heat to sinter,
And guarantee sintering flue gas distributing homogeneity, as shown in Fig. 2 a, Fig. 2 b and Fig. 2 c, sintering flue gas subregion blast cap is according to perpendicular device for cooling furnace
Type size can be divided into four subregion gas caps, six subregion gas caps or octant gas cap；Wherein four subregions, six subregions or octant
Gas cap is evenly distributed in the circumferential direction of the upper and lower gas cap in sintering flue gas center；
Compared with prior art, the use of the new type on sintering flue gas center main pipeline 1 by being arranged sintering flue gas center
Gas cap 3 under upper gas cap 2 and sintering flue gas center sets multiple sinter subregion gas caps, thus to burning on sinter subregion pipeline
It ties mine and carries out the gas-solid heat exchange of anti-phase twice, sufficiently recycled the sensible heat of sinter, improved the recovery efficiency of sintering mine sensible heat,
Hot fume after heat exchange is used for subsequent denitrating technique, has achieved the purpose that energy-saving and emission-reduction.
Device for cooling is erected in order to prevent to leak out, improves the sintering mine sensible heat rate of recovery, and the perpendicular cold charge that the utility model uses is set to
Closed shaft cooler, shaft cooler furnace are interior by from top to bottom successively including red heat sinter material feeding region 15, sinter storage
Expect area 16, sinter heat transfer zone 17, sinter cooling zone 18 and sinter discharge zone 19；Sinter heat transfer zone 17 includes sinter
Center heat transfer zone and multiple sinter subregions heat transfer zone.Illustratively, firstly, red heat sinter is poured into from sintering pallet
It after monodentate is crushed crusher machine, into intermediate bunker, is promoted at the top of perpendicular device for cooling by skew bridge skip car, at this point, red heat is sintered
Mine temperature is 550 DEG C~800 DEG C, is entered in perpendicular device for cooling from top hopper, as shown in Figure 1.Red heat sinter from top to bottom according to
It is secondary to pass through sinter material feeding region 15, sinter storage material area 16, sinter center heat transfer zone, sinter subregion heat transfer zone, sinter
Cooling zone 18 and sinter discharge zone 19, sinter carry out reverse gas-solid heat exchange with sintering flue gas first in heat transfer zone, then to
Lower to be exchanged heat and cooled down with cold air, the sensible heat of sinter is recovered, and behind sinter cooling zone 18, is finally discharged vertical cold
But device.
Compared with existing cooling equipment, firstly, the air leak rate of air curtain of closed shaft cooler substantially reduces: normal sintering mine is cold
But the air leak rate of air curtain of device is up to 30% or more, and biggish air leak rate of air curtain increases the power consumption of blower；It is vertical cooling using closed
Chamber cools down sinter, and good air-tightness makes its air leak rate of air curtain close to zero；Vertical cooling overall process negative pressure operation, nothing
Dust emission.Secondly, shaft cooler vapor solid heat exchange efficiency improves: in normal sintering mine cooling device, sinter level fortune
Dynamic, cooling gas is sent by the bottom of cooling device, and the heat exchanged form of the two is distributary heat exchange；And vertical cooler uses
Reverse heat-exchange, sinter enter from the top of shaft cooler, bottom discharge；Cooling medium is sent from the blowing air down of cooler
Enter, top extraction thereby realizes reverse heat-exchange, heat-exchanger rig efficiency is made to obtain larger raising, the benefit of heat sinter sensible heat
It is more than 80% with rate.Again, shaft cooler hot waste gas grade improves, the Temperature Distribution of normal sintering mine cooling device hot waste gas
Wider (150~450 DEG C), this brings larger difficulty to waste heat recycling, and the reverse heat-exchange mode of shaft cooler makes heat useless
Temperature degree tends towards stability, and improves the quality of recycling sintering mine sensible heat comprehensively, while outlet heatrejection being made to be maintained at 320
In~550 DEG C of such a higher levels, 150 DEG C or more are higher by than conventional chilling machine outlet heatrejection.
In order to be sufficiently cooled to sinter, shaft cooler further includes cold air unit；Cold air unit includes
Gas tank 31, circumferential weld cooling chamber, perpendicular device for cooling upper beam and the cold sky of elevating hopper side seam under cold air blast entrance pipeline 37, cold air
Gas gas outlet；Gas tank 31 is connected 37 with cold air blast entrance pipeline under cold air, gas tank 31 and circumferential weld cooling chamber under cold air,
Perpendicular device for cooling upper beam and the connection of elevating hopper side seam cold air gas outlet；Cold air successively through cold air blast entrance pipeline 37 into
Enter gas tank 31 under cold air, the small part cold air under cold air in gas tank 31 is cold through perpendicular device for cooling upper beam and elevating hopper side seam
Air outlet slit enters in furnace body；Most of cold air under cold air in gas tank 31 enters circumferential weld cooling chamber；Circumferential weld cooling chamber by
Chamber portion between sinter subregion elevating hopper 6 and sintering subregion lower hopper 7 is constituted；
Specifically, 37 one end of cold air blast entrance pipeline is connected to cold-air blower, gas under the other end and cold air
Case 31 is connected to, and cold air (temperature is 0 DEG C~20 DEG C) is blasted by air blower by cold air blast entrance pipeline 37, and by logical
Gas tank 31 enters circumferential weld cooling chamber under supercooled air, and circumferential weld cooling chamber is by under sinter subregion elevating hopper 6 and sinter subregion
The toroidal cavity structure that hopper 7 is formed；Most cold air is cooling to sinter in circumferential weld cooling chamber, fraction cold air
Gas tank 31 and shaft cooler furnace body is entered by perpendicular device for cooling upper beam and elevating hopper side seam cold air gas outlet under cold air
It is interior.Cold air carries out third time heat exchange (i.e. cooling for the first time) to sinter in each sinter subregion elevating hopper 6, and in ring
The 4th heat exchange (i.e. second cooling) is carried out to the sinter through exchanging heat for the third time in seam cooling chamber, after four heat exchange
The temperature of sinter is less than 150 DEG C, the not only high efficiente callback sensible heat of sinter, and ensures that sinter will not burn out discharging
Belt 32.
In order to improve the structure and function of shaft cooler, shaft cooler further includes hot fume processing unit, furnace body knot
Structure unit and the furnace body structural unit of resistance to material；Wherein, hot fume processing unit is used to that the sintering flue gas after heat exchange to be discharged；Furnace body knot
Structure unit is used to support shaft cooler；The furnace body structural unit of resistance to material is for reducing thermal loss in shaft cooler furnace body.
In order to make full use of heat exchange after sintering flue gas heat, as shown in Figure 1 and Figure 4, hot fume processing unit include heat
Flue gas breathe freely the resistance to material structure 25 of ring, heat exchange after hot fume gas chamber 23, hot fume gas chamber knee wall 26, hot fume output channel
27；Sinter exchanges heat in the air flue and perpendicular device for cooling furnace that annular hot fume gas chamber 23 passes through the ventilative resistance to material structure 25 of ring of hot fume
Area 17 communicates；Hot fume output channel 27 is communicated with annular hot fume gas chamber 23；Hot fume gas chamber knee wall 26 is arranged in such as Fig. 4
Shown 38 position, hot fume gas chamber knee wall 26 collapse waist for preventing the sinter storage material area resistance to material structure 24 of 16 wall.Specifically
Ground, as shown in Figure 1, due to after heat exchange hot fume output channel 27 be connected to flue gas induced draught system 28, due to negative pressure induced wind, exchange heat
Hot fume (including the sintering flue gas and cold air after heat exchange) afterwards will not enter sinter storing area, but saturating by hot fume
The resistance to material structure air flue 41 of compression ring circle is directly entered after heat exchange in hot fume gas chamber 23, and hot fume gas chamber 23 is ring junction after heat exchange
Structure, and be connected to hot fume output channel 27 after heat exchange；Therefore, the hot fume after four heat exchange have been carried out with sinter, passes through
The annular spread air flue 41 of the ventilative resistance to material structure 25 of ring of hot fume is pumped into annular by the negative pressure that flue gas induced draught system 28 generates
Hot fume gas chamber 23 after heat exchange, 320~550 DEG C of the temperature of hot fume, which is drawn by hot fume output channel 27 again, into
Enter subsequent denitrating tower, waste heat boiler, desulphurization system and dust pelletizing system, it should be noted that due to subsequent denitrating tower, waste heat pot
Furnace, desulphurization system and dust pelletizing system are not related to the inventive content of the utility model, its specific embodiment which is not described herein again.
Four heat exchange are carried out by the above sintering flue gas and cold air and red heat sinter, are realized more than sintering mine sensible heat and sintering flue gas
The high efficiente callback of heat, the rate of recovery provide condition up to 80~85%, for follow-up sintering denitrating flue gas.
In order to reduce wear-out failure of the sinter to shaft cooler to the greatest extent, that improves shaft cooler uses the longevity
Life, furnace structure unit includes hot fume gas chamber manhole 39 after the annular steel construction of perpendicular black furnace body 20, heat exchange, to erect cold center sub-material anti-
Grind crossbeam 10, perpendicular device for cooling crossbeam 8, the perpendicular wear-resistant shield 9 of device for cooling crossbeam, sinter subregion elevating hopper 6, subregion elevating hopper edge
The wear-resistant structure 14 of wear-resistant shield 11, subregion elevating hopper, sinter subregion lower hopper 7, the wear-resistant structure 13 of subregion lower hopper；Sinter
Subregion lower hopper 7 is connected to sinter discharging unit；Perpendicular black furnace body annular steel construction is by erecting cold bridle iron 36 and erecting cold crossbeam
Frame 8 is installed on perpendicular device for cooling pedestal 33；The wear-resistant crossbeam 10 of cold center sub-material is erected for sinter subregion material toggling；Perpendicular device for cooling
Upper beam and the radial radiation arrangement of perpendicular device for cooling lower beam 40, with furnace body annular steel construction and sintering flue gas center main pipeline 1
It is connected as one, each sinter subregion elevating hopper 6 is individually fixed in the two sides of adjacent perpendicular device for cooling upper beam, each sinter
Subregion lower hopper 7 is individually fixed in the two sides of adjacent perpendicular device for cooling lower beam 40, and the upper end of sintering flue gas center main pipeline 1 is under
End is fixedly connected with perpendicular device for cooling upper beam and perpendicular device for cooling lower beam 40 respectively, under sinter discharging unit and sinter subregion
Hopper 7 is directly connected to.
Illustratively, it erects device for cooling pedestal 33 to be fixed on the basis of level ground, erects cold bridle iron 36 and be set to perpendicular device for cooling
33 top of pedestal erects cold furnace binding by erecting cold bridle iron 36 and erecting cold crossbeam frame 8 and is installed on perpendicular device for cooling pedestal 33
On；It is equipped with above sintering flue gas center main pipeline 1 and erects the wear-resistant crossbeam 10 of cold center sub-material, erect the wear-resistant crossbeam 10 of cold center sub-material
For subregion material toggling will to be carried out from the sinter after the upper and lower gas cap heat exchange in sintering flue gas center, sinter is pushed circumferential each
On sinter subregion gas cap, carries out second and exchange heat；It is respectively equipped under circumferentially distributed sintering subregion gas cap on sintering subregion
Hopper 6 and sintering subregion lower hopper 7, are sintered subregion elevating hopper 6 and the cavity structure being sintered between subregion lower hopper 7 constitutes circumferential weld
Cooling chamber, a large amount of cold air carry out the 4th heat exchange to sinter through circumferential weld cooling chamber (i.e. second cooling)；It is sintered subregion
Elevating hopper 6 and sintering subregion lower hopper 7 are cone-shaped, and the discharge port diameter for being sintered subregion elevating hopper 6 is less than sintering
The intake port of subregion lower hopper 7, cold air pass through the seam under cold air between gas tank 31 and circumferential sintering subregion lower hopper
Gap enters in sintering subregion lower hopper；Perpendicular 20 steel construction of black furnace body is installed on perpendicular device for cooling pedestal by erecting cold crossbeam frame 8
On 33；Perpendicular device for cooling upper beam and perpendicular device for cooling lower beam 40 with furnace body annular steel construction and sintering flue gas center main pipeline 1
Axis direction vertically connects, and sinter subregion elevating hopper 6 is fixed on the two sides of adjacent perpendicular device for cooling upper beam, under sinter subregion
Hopper 7 is fixed on the two sides of adjacent perpendicular device for cooling lower beam 40, the top and bottom of sintering flue gas center main pipeline 1 respectively with it is perpendicular
Device for cooling upper beam is fixedly connected with perpendicular device for cooling lower beam 40.In sinter subregion elevating hopper 6 and sinter subregion lower hopper 7
Portion is respectively arranged with the wear-resistant structure 14 of subregion elevating hopper and the wear-resistant structure 13 of subregion lower hopper, and its purpose is to reduce sinter
It is worn, the service life of sinter subregion elevating hopper 6 and sinter subregion lower hopper 7 is improved；In furnace structure unit its
It and sinter contact site are respectively provided with wear-resistant shield, such as perpendicular device for cooling upper beam is equipped with the perpendicular wear-resistant shield of device for cooling upper beam
9, sintering 6 edge of subregion elevating hopper is equipped with the wear-resisting shield 11 of elevating hopper edge, and sintering flue gas subregion pipeline is equipped with subregion gas cap pipe
The wear-resisting shield 12 in road；Sinter discharging unit is fixedly connected with sinter subregion lower hopper 7.
In order to export sinter after cooling, sinter discharging unit includes sinter discharging Taper Pipe 29, sinter discharging
Straight tube 30, sinter vibration discharging machine 34 constitute sinter blanking system after cooling；The upper end of sinter discharging Taper Pipe 29 and burning
It ties mine subregion lower hopper 7 to be connected to, the lower end of sinter discharging Taper Pipe 29 is connected to sinter discharging straight tube 30, and sinter discharging is straight
30 port of pipe is equipped with vibration discharging machine, and vibration discharging motor spindle is equipped with outfeed belt cover 35, and 35 bottom of outfeed belt cover, which is equipped with, burns
Tie mine outfeed belt 32.Outfeed belt cover 35 is for ensuring sinter discharging point dust not loss, and sinter goes out after final cooling
150 DEG C of material temperature degree < avoids burning out outfeed belt 32.
In order to reduce the heat loss of shaft cooler, the furnace body structural unit of resistance to material includes the resistance to material structure 21 of upper cone section, burns
The resistance to material structure 24 of 16 wall of Jie Kuang storage material area, the resistance to material structure 22 of hot fume gas chamber, the ventilative resistance to material structure 25 of ring, sinter heat exchange
The resistance to material structure composition of hot fume output channel 27 after the resistance to material structure in area 17, heat exchange；The resistance to material structure 21 of upper cone section and sinter
The resistance to material structure of heat transfer zone 17 is divided into three layers from furnace from inside to outside, is followed successively by the wear-resistant refractory brick of refractory heavy or cast bed of material, heat-insulated
Brick layer and heat-preservation cotton or heat preservation carpet veneer；The resistance to material structure 22 of hot fume gas chamber and the resistance to material structure of hot fume output channel 27 are using resistance to
One of firebrick, castable, lightweight thermal insulation brick, lightening casting material, heat-preservation cotton or insulation quilt；16 walls of sinter storage material area are resistance to
Material structure 24 uses the wear-resistant refractory brick of heavy；The ventilative resistance to material structure 25 of ring of hot fume is prefabricated using the wear-resistant castable refractory of heavy
Part is built.
In order to detect the operation conditions of shaft cooler at any time, the admission line and hot fume of sintering flue gas and cold air
On-line measuring device is equipped on outlet conduit, for detecting the temperature, pressure and stream of sintering flue gas, cold air and hot fume
Amount；It is equipped with temperature monitor at sinter discharging straight tube 30, and passes through vibration 34 frequency control sinter discharge quantity of discharging machine.Tool
Body, in order to more fully recycle the sensible heat of red heat sinter, flow, the temperature and pressure of sintering flue gas and cold air are respectively provided with
On-line measuring device, its purpose is to obtain the heat exchange feelings of sinter and sintering flue gas and cold air in shaft cooler at any time
Condition；Sintering flue gas and cold air after heat exchange are mixed to form hot fume, which is drawn perpendicular by hot fume output channel 27
Formula cooler, the temperature and pressure of the hot fume of output directly affect subsequent denitration, waste heat recycling and sulfur removal technology, so
Need to detect the temperature and pressure of output hot fume；Exposure degree continuously is carried out to sinter in order to realize, sinter is perpendicular
The negative pressure at the top of sinter storage material height, sinter temperature and shaft cooler in formula cooler is again provided with on-line checking dress
It sets；Outfeed belt 32 is burnt out in order to avoid sinter temperature after cooling is excessively high, sinter blanking temperature is equipped with online after cooling
Detector, and 34 frequency control sinter discharge quantity of discharging machine is vibrated by subregion.
In order to form closed heat exchange mode, pressure is negative and presses operation in hot fume gas chamber 23 after heat exchange, and negative pressure is used for
Guarantee that the hot fume in shaft cooler after heat exchange enters annular heat cigarette by the air flue of the ventilative resistance to material structure 25 of ring of hot fume
Gas gas chamber 23, and extracted hot fume out out of shaft cooler by subsequent induced draught system, the hot fume temperature 320 of final output
~550 DEG C, hot fume is through hot fume output channel 27, into subsequent denitration, waste heat boiler, desulfurization and dust pelletizing system.
Embodiment 1
With regard to certain steel mill 400m2Continuous pallettype sintering machine transform the cold form of ring as shaft cooler, will by blasting sintering flue gas
Sinter is cooled within 150 DEG C from 600-750 DEG C, to sintering mine sensible heat carry out recycling and to sintering flue gas desulfurization denitration, it is remaining
Heat generation steam is grid-connected or generates electricity.
It handles sinter 612.5t/h (being converted into product mine 450t/h)；
Continuous pallettype sintering machine east, west side flue collector exhaust gas volumn, flue-gas temperature and the actual measurement of main smoke components are shown in Table 1.
1 400m of table2Band burns owner's flue gas tolerance and ingredient
The present embodiment compiles east side flue collector (to be connected) for first via flue collector with 23, east side bellows, and west side flue collector is compiled
(it is connected with 23, west side bellows) for the second road flue collector.145.6 DEG C of first via flue collector flue gas through original first electric precipitator
Afterwards from I#It is drawn after main exhauster after blasting vertical cooling device and 600-750 DEG C of sinter progress reverse heat-exchange by air blower,
541 DEG C of hot fume temperature (being shown in Table 2) after heat exchange, after cyclone dust removal, with the second road flue collector through original second electric precipitator
Afterwards from II#150.3 DEG C of flue gases of the temperature drawn after main exhauster are mixed, and flue-gas temperature is 355.6 DEG C after mixing.After mixing
For flue gas by middling temperature DeNOx (when for start and stop furnace, afterburning burner is arranged), NOx concentration drops to 35.25mg/Nm3。
2 400m of table2Band burns machine first via flue collector flue gas and erects parameter after cold heat exchange
| Serial number | First via flue collector | Unit | Parameter |
| 1 | Exhaust gas volumn | Nm3/h | 564587.9 |
| 2 | Flue-gas temperature | ℃ | 541 |
| 3 | NOx concentration | mg/Nm3 | 418.37 |
| 4 | SO2Concentration | mg/Nm3 | 1008.01 |
| 5 | CO concentration | mg/Nm3 | 6336.34 |
Embodiment 2
With regard to certain steel mill 182m2Step-by-step type sintering machine is transformed cooling in original machine, using the vertical type of cooling, processing sintering
Mine 343.5t/h (is converted into product mine 274.8t/h)
According to the component of sintering flue gas, content and sintering flue gas temperature, sintering machine is divided into sintering machine leading portion and sintering machine
Back segment, sintering machine front-end temperature is low, NOx concentration is high flue gas blast in shaft cooler, as shown in table 3, by with high temperature
Sinter carries out gas, solid heat exchange, and sinter temperature is exported at 150 DEG C hereinafter, passing through belt after cooling；It is aobvious to recycle sinter
Heat obtains 320~420 DEG C of hot fume, as shown in table 4, with sintering machine back segment SO2After the high flue gas mixing of concentration, flue-gas temperature
280~300 DEG C meet the requirement that S-SCR denitration takes off dioxin, and the flue gas after denitration recycles heat by waste heat boiler, through cloth bag
After dedusting, desulfurization qualified discharge is carried out.
3 182m of table2Flue-gas temperature after front/rear section of heat exchange of sintering machine
| Serial number | Sintering machine leading portion | Unit | Parameter | Serial number | Sintering machine back segment | Parameter | Serial number |
| 1 | Exhaust gas volumn (enters) | m3/h | 643425 | 1 | Exhaust gas volumn (enters) | m3/h | 481215 |
| 2 | Flue-gas temperature (enters) | ℃ | 68.9 | 2 | Flue-gas temperature (enters) | ℃ | 305 |
| 3 | Flue-gas temperature (out) | ℃ | 105 | 3 | Flue-gas temperature (out) | ℃ | 243.5 |
4 182m of table2Sintering machine erects parameter after cold heat exchange
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
Claims (10)
1. a kind of perpendicular device for cooling using sintering flue gas and sinter heat exchange, which is characterized in that the perpendicular device for cooling includes sintering
Flue gas unit；The sintering flue gas unit includes that sintering flue gas enters pipeline, sintering flue gas center main pipeline, sintering flue gas center
Upper gas cap, lower gas cap, sintering flue gas subregion pipeline and subregion gas cap；Sintering flue gas center main pipeline and sintering flue gas enter
Pipeline connection, the sintering flue gas subregion pipeline are connected to sintering flue gas center main pipeline, the upper and lower gas in sintering flue gas center
Cap tandem is connected to the upper end of sintering flue gas center main pipeline together, and the sintering flue gas subregion gas cap is each with sintering flue gas respectively
It is connected to from subregion pipeline.
2. the perpendicular device for cooling according to claim 1 using sintering flue gas and sinter heat exchange, which is characterized in that described perpendicular
Cold charge is set to closed shaft cooler, from top to bottom successively includes that red heat burns mine material feeding region, sintering in the shaft cooler
Mine storage material area, sinter heat transfer zone, sinter cooling zone and sinter discharge zone；The sinter heat transfer zone includes in sinter
Heart heat transfer zone and at least one sinter subregion heat transfer zone.
3. the perpendicular device for cooling according to claim 2 using sintering flue gas and sinter heat exchange, which is characterized in that described perpendicular
Formula cooler further includes cold air unit；The cold air unit includes gas tank, ring under cold air blast entrance pipeline, cold air
Stitch cooling chamber, perpendicular device for cooling upper beam and elevating hopper side seam cold air gas outlet；Gas tank and cold air air blast under the cold air
Inlet duct is connected, and gas tank goes out with circumferential weld cooling chamber, perpendicular device for cooling upper beam and elevating hopper side seam cold air under the cold air
Port connection；The circumferential weld cooling chamber is by the chamber portion structure between sinter subregion elevating hopper and sinter subregion lower hopper
At.
4. the perpendicular device for cooling according to claim 3 using sintering flue gas and sinter heat exchange, which is characterized in that described perpendicular
Device for cooling further includes hot fume processing unit, furnace structure unit and the furnace body structural unit of resistance to material；The hot fume processing is single
Member is for the hot fume after heat exchange is discharged；The furnace structure unit is used to support perpendicular device for cooling；The resistance to material structure list of furnace body
Member is for reducing thermal loss in perpendicular device for cooling furnace body.
5. the perpendicular device for cooling according to claim 4 using sintering flue gas and sinter heat exchange, which is characterized in that the heat
Fume treatment unit includes the ventilative resistance to material structure of ring of hot fume, hot fume gas chamber, hot fume gas chamber knee wall, hot fume output
Pipeline；Air flue of the hot fume gas chamber by the ventilative resistance to material structure of ring of hot fume and sinter heat transfer zone phase in perpendicular device for cooling
It is logical；The hot fume output channel is communicated with hot fume gas chamber；The hot fume gas chamber knee wall is for preventing sinter storage material
The resistance to material structure of the wall in area is collapsed waist.
6. the perpendicular device for cooling according to claim 4 or 5 using sintering flue gas and sinter heat exchange, which is characterized in that institute
State furnace structure unit include perpendicular black furnace body annular steel construction, erect the wear-resistant crossbeam of cold center sub-material, perpendicular device for cooling upper beam, erect it is cold
The wear-resistant shield of device crossbeam, sinter subregion elevating hopper, the wear-resistant shield of subregion elevating hopper edge, the wear-resistant structure of subregion elevating hopper,
Sinter subregion lower hopper, the wear-resistant structure of subregion lower hopper and sinter discharging unit；It is described to erect cold furnace binding by erecting
It cold crossbeam frame structure and erects cold bridle iron and is installed on perpendicular device for cooling pedestal；It is described to erect the cold wear-resistant crossbeam of center sub-material for burning
Tie mine subregion material toggling.
7. the perpendicular device for cooling according to claim 6 using sintering flue gas and sinter heat exchange, which is characterized in that the burning
Knot mine discharging unit includes sinter discharging Taper Pipe, subregion discharging straight tube and subregion vibration discharging machine；The sinter reclaiming cone
The upper end of pipe is connected to sinter subregion lower hopper, and the lower end of the sinter discharging Taper Pipe is connected to sinter discharging straight tube,
Sinter discharging straight tube port is equipped with vibration discharging machine, and the vibration discharging machine discharge port is equipped with outfeed belt cover, described
Outfeed belt cover bottom is equipped with sinter outfeed belt.
8. the perpendicular device for cooling according to claim 7 using sintering flue gas and sinter heat exchange, which is characterized in that the furnace
The body structural unit of resistance to material include the resistance to material structure of upper cone section, the resistance to material structure of sinter storage material area wall, the resistance to material structure of hot fume gas chamber,
The resistance to material structure of hot fume output channel after the ventilative resistance to material structure of ring, the resistance to material structure in sinter heat transfer zone, heat exchange.
9. the perpendicular device for cooling according to claim 8 using sintering flue gas and sinter heat exchange, which is characterized in that the burning
It is equipped with on-line measuring device on the outlet pipe of the admission line and hot fume of knot flue gas and cold air, for detecting sintering cigarette
Gas, the temperature of cold air and hot fume, pressure and flow；It is equipped with temperature monitor at the sinter discharging straight tube, and is passed through
Vibrate discharging machine frequency control sinter discharge quantity.
10. the perpendicular device for cooling according to claim 9 using sintering flue gas and sinter heat exchange, which is characterized in that described
Hot fume gas room pressure is negative pressure, and the negative pressure passes through the ventilative resistance to material structure of ring of hot fume for hot fume after guaranteeing heat exchange
Air flue enters annular hot fume gas chamber, then draws shaft cooler by hot fume output channel, into subsequent denitration, waste heat pot
Furnace, desulfurization and dust pelletizing system, the hot fume temperature of the extraction are 320~550 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821376006.9U CN208920882U (en) | 2018-08-24 | 2018-08-24 | A kind of perpendicular device for cooling using sintering flue gas and sinter heat exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821376006.9U CN208920882U (en) | 2018-08-24 | 2018-08-24 | A kind of perpendicular device for cooling using sintering flue gas and sinter heat exchange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208920882U true CN208920882U (en) | 2019-05-31 |
Family
ID=66704038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821376006.9U Active CN208920882U (en) | 2018-08-24 | 2018-08-24 | A kind of perpendicular device for cooling using sintering flue gas and sinter heat exchange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208920882U (en) |
-
2018
- 2018-08-24 CN CN201821376006.9U patent/CN208920882U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104748567B (en) | Sintering flue gas waste heat staged cyclic utilization and pollutant emission reducing process and system | |
| CN103424001B (en) | High-temperature material vertical cooler and waste heat using system | |
| CN105021049B (en) | Vertical type cooling tower and sintering waste heat utilization system | |
| CN109269308B (en) | A kind of shaft cooler and method using sintering flue gas and sinter heat exchange | |
| CN107144142A (en) | Using the sintering deposit exhaust heat recovering method of chamber type sintering ore deposit waste-heat recovery device | |
| CN103697707A (en) | Vertical cooling and waste heat recovery furnace for sinters | |
| CN106610230A (en) | Sintering flue gas reduction and waste heat comprehensive utilization method and device | |
| CN109554538A (en) | A kind of sintering method and device that can reduce solid fuel consumption amount and carbon emission | |
| CN102889606A (en) | Direct fired pulverizing system of smoke pre-drying lignite steel ball mill | |
| CN206890551U (en) | A kind of lignite burning utilizes system | |
| CN208920882U (en) | A kind of perpendicular device for cooling using sintering flue gas and sinter heat exchange | |
| CN104132362A (en) | Open powder making steam warm air type boiler unit and power generation system thereof | |
| CN109028986B (en) | Sinter sensible heat and sintering flue gas waste heat comprehensive utilization system of belt sintering machine | |
| CN104197362A (en) | Fume-dried closed pulverization coal-fired boiler unit with function of exhaust water recovery | |
| CN209131421U (en) | A kind of kiln integral structure and the process system using the kiln integral structure | |
| CN104132363A (en) | Open powder making steam warm air type boiler unit and power generation system thereof | |
| CN2921740Y (en) | Internal and external heating vertical passway reduction furnace | |
| CN102914170B (en) | Device and method for performing hot air sintering by reusing sintering high-temperature flue gas | |
| CN102213422B (en) | Multi-channel mixed gas burner | |
| CN108855941A (en) | A kind of steel slag micro mist using steel plant's waste heat flue gas selects powder system | |
| CN104132364A (en) | Open powder making steam warm air type boiler unit and power generation system thereof | |
| CN210718691U (en) | Vertical cooling sensible heat recovery system for sinter and waste heat comprehensive utilization system thereof | |
| CN201462815U (en) | High-efficiency energy-conservation vertical moveable pulverized coal burner | |
| CN204114984U (en) | With the stove cigarette dry enclosed powder process coal-burning boiler unit that weary air water reclaims | |
| CN207351230U (en) | A kind of flue gas tandem recycles ring cold machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |