CN107198929A - One kind sintering flue gas cool-down depositing dust and dust collecting system and its production technology - Google Patents
One kind sintering flue gas cool-down depositing dust and dust collecting system and its production technology Download PDFInfo
- Publication number
- CN107198929A CN107198929A CN201710605630.5A CN201710605630A CN107198929A CN 107198929 A CN107198929 A CN 107198929A CN 201710605630 A CN201710605630 A CN 201710605630A CN 107198929 A CN107198929 A CN 107198929A
- Authority
- CN
- China
- Prior art keywords
- dust
- flue gas
- gas cool
- cool
- delivery line
- 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.)
- Pending
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 211
- 239000003546 flue gas Substances 0.000 title claims abstract description 210
- 239000000428 dust Substances 0.000 title claims abstract description 204
- 238000005245 sintering Methods 0.000 title claims abstract description 83
- 238000000151 deposition Methods 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000005516 engineering process Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 120
- 239000007789 gas Substances 0.000 claims abstract description 88
- 238000001816 cooling Methods 0.000 claims abstract description 57
- 230000005484 gravity Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000003500 flue dust Substances 0.000 claims description 24
- 238000011084 recovery Methods 0.000 claims description 16
- 239000002918 waste heat Substances 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 21
- 238000009434 installation Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 6
- 239000003517 fume Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 20
- 230000008569 process Effects 0.000 description 11
- 230000009467 reduction Effects 0.000 description 9
- 238000000889 atomisation Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010410 dusting Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000009770 conventional sintering Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses one kind sintering flue gas cool-down depositing dust and dust collecting system and its production technology, belong to sintering fume treatment technical field.The present invention including at least two by subtracting the sintering flue gas cool-down device for reducing dust of cloud of dust gas delivery line serial communication, the number of adjustment sintering flue gas cool-down device for reducing dust as needed；The dust arrester installation that cloud of dust gas delivery line is connected is subtracted by final stage with the sintering flue gas cool-down device for reducing dust of end, is used after micronic dust is reclaimed；Wherein：Sintering flue gas cool-down device for reducing dust includes：Air conducting mechanism, for cooling to whole device；In the inside of air conducting mechanism, and with air conducting mechanism be in cavity loop nested structure flue gas cool-down mechanism；The external ash-laden gas ingress pipe for passing air conducting mechanism of flue gas cool-down mechanism and subtract cloud of dust gas delivery line.The present invention is relatively isolated to flue gas cool-down by multistage forced cooling mechanism and air guide mechanism, and by natural gravity dedusting, has reached the purpose of the whole stable processing technique of guarantee.
Description
Technical field
Sinter flue gas cool-down depositing dust the present invention relates to sintering furnace fume treatment technical field, more particularly to one kind and gather dust and be
System and its production technology.
Background technology
Modernize in sintering furnace sintering production, have a large amount of ash-laden gas and produce, maximum smoke temperature typically 450 DEG C with
On, the pernicious gas such as CO, SO2 containing residual, is discharged into air after generally carrying out dust recovery simultaneously.
Because ash-laden gas temperature is higher, gathered dust usually using electric dust collector, its effect is very undesirable, it is difficult to reach
To discharging standards 100mg/m3, generally all in 80~200mg/m3, larger abrasion is caused to main air blower impeller and housing.
Simultaneously in order to ensure that flue gas enters existing general dust removal, it is required for design and installation to convert cold blast sliding valve reduction flue gas
Temperature, not only increases the treating capacity of gas cleaning, because blast is increased, the fluctuation for being also easy to cause to produce main technique and influence
The product quality produced, while also increasing the energy consumption of main air blower.
Bag-type dust retracting device can realize 50mg/m3Discharge below, but the characteristic requirements flue-gas temperature of cloth bag is stable
Less than 150 DEG C of holding, it is most preferable below 100 DEG C.Therefore the requirement of the cooling pretreatment of ash-laden gas, is increasingly highlighted.
Through retrieval, Chinese patent application, publication number：CN104004879B, publication date：2016.08.10, one kind is disclosed
Flue gas low-temperature section waste heat recovery apparatus of converter, including adiabatic flue, adiabatic flue one end is connected to converter gasification cooling cigarette
Road, the other end one section of evaporator of connection, one section of connection atomization cooling Venturi tube of evaporator, atomization cooling Venturi tube connection evaporator
Two sections, two sections of connection economizers of evaporator, economizer connection inertia force dust arrester；Hot water in economizer enters evaporator one
After two sections of section and evaporator, saturated steam is produced by its internal flue gas with heat；Set in atomization cooling Venturi tube
There are double medium spray guns.The invention further relates to the exhaust heat recovering method of flue gas low-temperature section waste heat recovery apparatus of converter.Flue gas with
The atomized drop that double medium spray guns inside the atomization cooling Venturi tube spray is exchanged heat, and the flue-gas temperature after heat exchange is in
In the range of 580 DEG C -600 DEG C, so as to effectively contain the localized clusters of carbon monoxide in flue gas, it is to avoid occur to dodge quick-fried danger
Danger so that the equipment uses safer.But profit of the invention by one section of evaporator, two sections of evaporator to strengthen fume afterheat
With, and diameter processing is carried out to flue dust with spray gun and can not be recycled, that is, water source is wasted, new pollution sources are generated again.
The content of the invention
1. the invention technical problem to be solved
In processing procedure for sintering ash-laden gas in the prior art, efficiency of dust collection is low, cooling-down effect is not obvious, install
Convert cold blast sliding valve and easily cause the problem of whole production technology is fluctuated, sinter flue gas cool-down depositing dust the invention provides one kind and gather dust
System and its production technology.It is relatively isolated to flue gas cool-down by multistage forced cooling mechanism and air guide mechanism, and is led to
Natural gravity dedusting is crossed, the purpose of the whole stable processing technique of guarantee has been reached.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the present invention is provided is：
One kind sintering flue gas cool-down depositing dust and dust collecting system, including：At least two is by subtracting cloud of dust gas delivery line serial communication
Sintering flue gas cool-down device for reducing dust, as needed adjustment sintering flue gas cool-down device for reducing dust number；With the burning of end
Knot flue gas cool-down device for reducing dust subtracts the dust arrester installation that cloud of dust gas delivery line is connected by final stage, is used after micronic dust is reclaimed；
Wherein：The sintering flue gas cool-down device for reducing dust includes：Air conducting mechanism, for cooling to whole device；Described
The inside of air conducting mechanism, and with air conducting mechanism be in cavity loop nested structure flue gas cool-down mechanism, bulky grain flue dust
Due to temperature reduction, density becomes big, drops in the bottom of flue gas cool-down mechanism, reaches that the first step subtracts the effect of dirt；The flue gas
The external ash-laden gas ingress pipe for passing air conducting mechanism of cooling mechanism and subtract cloud of dust gas delivery line.
Further technical scheme, the flue gas cool-down mechanism is in the barrel-like structure of closing, the ash-laden gas ingress pipe
Penetrated with the air inlet for subtracting cloud of dust gas delivery line at the top of barrel-like structure, and be inserted into the bottom of barrel-like structure, increased
Flue gas allows bulky grain flue dust to have time enough to cool and fall in the in-house flow distance of whole flue gas cool-down；It is described to subtract
The gas outlet that cloud of dust gas delivery line and final stage subtract cloud of dust gas delivery line is both secured to the upper side of barrel-like structure, subtracts the cigarette after dirt
Gas is exported by the pipeline；The bottom of the barrel-like structure is communicated in closing in shape, and depositing dust dust leg, is easy to bulky grain flue dust
Secondary utilization after centralized collection and concentration ash discharge.
Further technical scheme, ash-laden gas ingress pipe and subtracts the part inside cloud of dust gas delivery line insertion barrel-like structure
For the flare openings gradually opened down, making the air velocity of flue gas gradually reduces, it is to avoid acutely reduces and causes technological fluctuation mistake
Greatly, the flowing velocity of ash-laden gas and is gradually slowed down, extension flue gas is in the in-house flowing time of whole flue gas cool-down, further
Bulky grain flue dust is allowed to have time enough to cool and fall；Fixation is set inside the headspace delivery line of the air conducting mechanism
Heat-exchanger rig is equipped with, the heat that air conducting mechanism is exchanged heat is absorbed by heat-exchanger rig, reaches the effect of heat recovery and utilization.
Further technical scheme, air conducting mechanism is in the drum structure that top is gradually closed up, and is easy to the heat after heat exchange
Air is concentrated and secondary heat exchange utilization is carried out after outflow, and diameter is more than the flue gas cool-down mechanism, the shape around flue gas cool-down mechanism
Into ring cavity；In the ring cavity of the cavity loop nested structure, stationary distribution has air conducting reinforcing mechanisms, improves air velocity,
And heat exchange efficiency is improved, ring cavity bottom is air intake.
Further technical scheme, air conducting reinforcing mechanisms are the diaphragm that homogeneous vertical formula is fixed, and are both improved
The convection velocity that air rises, can play the purpose of direct heat conduction again, and the in-house heat conduction of flue gas cool-down is exported, carried
The in-house cooling rate of high flue gas cool-down.
Further technical scheme, diaphragm is distributed as the radian setting every 20~40 °, when being distributed overstocked, influence
Air quantity enters, and heat exchange when being distributed thin, influences wind speed using few；The angle of the flare openings is 70~80 °, is open
Greatly, the fluctuation to whole technique is larger, during too small openings, does not have the effect of reduction wind speed.
Further technical scheme, the top of flue gas cool-down mechanism is provided with and is fixed on the strong of air conducting mechanism side wall
Cooling mechanism processed, to the barrel-like structure forced cooling of whole flue gas cool-down mechanism, when air conducting mechanism, cooling-down effect is not obvious
When, play a part of supplementing forced cooling.
Further technical scheme, forced cooling mechanism is equally distributed atomizer, lowering temperature uniform；The heat exchange dress
Board-like or pipe heat exchanger is set to, heat exchange efficiency is high.
Air-introduced machine is fixed at further technical scheme, air delivery tube outlet, plays a part of forced convertion, Ke Yiti
High heat exchange efficiency, and external residual heat using device, secondary utilize is carried out to waste heat；The depositing dust dust leg exit sets and puts ash
Valve, when stopping air inlet, is concentrated bulky grain soot emissions.
A kind of production technology for sintering flue gas cool-down depositing dust and dust collecting system, step is：
Step 1: ash-laden gas is imported：The ash-laden gas that sintering furnace is produced imports first burning by ash-laden gas ingress pipe
The flue gas cool-down tied in flue gas cool-down device for reducing dust is in-house；
Step 2: one-level gravity subtracts dirt：Bulky grain flue dust drops down onto flue gas cool-down actuator base under its own Action of Gravity Field；
Step 3: one-level flue gas cool-down：Subtract the flue gas after dirt during the in-house rising of flue gas cool-down, in air
In the presence of deflector, two mechanisms heat exchange, the bulk temperature of whole flue gas cool-down mechanism declines, and subtracts the temperature of the flue gas after dirt
Corresponding reduction；
Step 4: one-level subtracts dirt cooling flue gas export：Subtract dirt cooling after flue gas by subtract cloud of dust gas delivery line export to
Flue gas cool-down in second sintering flue gas cool-down device for reducing dust is in-house；
Step 5: repeat step three, four, which carries out two grades, subtracts dirt cooling, and determined according to cloud of dust gas delivery line air outlet temperature is subtracted
Series；
Step 6：Thin dirt is reclaimed：Step 5 cooling is subtracted the flue gas after dirt and subtracts cloud of dust gas delivery line by final stage and is passed through receipts
Dirt device, reclaims thin dirt；
Step 7: waste heat recovery：The heat produced after each air conducting mechanism is exchanged heat is derived in air delivery line
Cheng Zhong, is absorbed by heat-exchanger rig, and is utilized again by the way that residual heat using device is secondary.
Whole technical process can increase and decrease the quantity of sintering flue gas cool-down device for reducing dust, each sintering flue gas drop as needed
The cooling of warm device for reducing dust subtracts dirt, UTILIZATION OF VESIDUAL HEAT IN, fume recovery can be while carry out, moreover, avoiding to whole technique mistake
Journey influence of fluctuations, the product quality of production is stable.
3. beneficial effect
The technical scheme provided using the present invention, compared with prior art, is had the advantages that：
(1) a kind of sintering flue gas cool-down depositing dust of the invention and dust collecting system, each sintering flue gas cool-down device for reducing dust are equal
Ash-laden gas can be handled, sintering flue gas cool-down device for reducing dust is dropped by air conducting mechanism to whole device
Temperature, bulky grain flue dust is due to temperature reduction, and density becomes big, so as to drop in the bottom of flue gas cool-down mechanism, reaches that the first step subtracts
The effect of dirt, heat-exchanger rig absorbs the heat that air conducting mechanism exchanges heat by heat-exchanger rig, reaches heat recovery and utilization
Effect, three mechanism synergies reach ash-laden gas cooling whereabouts recovery, the purpose of heat recovery and utilization, adjusted as needed
The quantity of whole sintering flue gas cool-down device for reducing dust, moreover, whole system converts cold blast sliding valve without increase, will not be to the work of whole system
Skill produces fluctuation, and the product quality of production is stable；
(2) a kind of sintering flue gas cool-down depositing dust of the invention and dust collecting system, the barrel-like structure of closing, it is to avoid outside gas
Stream produces fluctuation to flue gas in whole technique, and system pressure difference resistance damages small, only 50-200Pa, main process system do not influenceed, no
Need to increase other devices, guarantee is provided for flue gas qualified discharge；The flowing of flue gas is V-shaped, increases in flue gas whole
The in-house flow distance of flue gas cool-down, allows bulky grain flue dust to have time enough to cool and fall；Closing in shape bucket bottom, and depositing dust
Dust leg is communicated, and is easy to the centralized collection of bulky grain flue dust and is concentrated the secondary utilization after ash discharge, the dust that whole system is collected
Amount is big, can be with the convenient production flexible organization of cycle cleaning, and maintenance cleaning is convenient and swift；Reduce after flue-gas temperature, can reach
Dreamboat enters bag-type dust retracting device, realizes that bag-type dust substitutes electric precipitation production, completes conventional sintering production " revolution
Property " upgrading, overcome conventional sintering stove production can not use the industry prejudice of bag-type dust；
(3) a kind of sintering flue gas cool-down depositing dust of the invention and dust collecting system, under the flare openings opened make the gas of flue gas
Flow velocity degree is gradually reduced, it is to avoid is acutely reduced and is caused technological fluctuation excessive, and gradually slow down the flowing velocity of ash-laden gas, prolongs
Long flue gas in the in-house flowing time of whole flue gas cool-down, further allow bulky grain flue dust have time enough cool and under
Fall；And the flue-gas temperature of stable and uniform is fully buffered, the main technology stability of lifting production can to greatest extent reduce and convert cold wind, drop
Low main air blower load, lifts production capacity；
(4) a kind of sintering flue gas cool-down depositing dust of the invention and dust collecting system, the barrel-shaped air that top is gradually closed up are led
Mechanism is flowed, is easy to the hot-air after heat exchange to concentrate and secondary heat exchange utilization is carried out after outflow, it is possible to is circulated for other systems, it is real
Existing energy-saving and emission-reduction；Normal heat exchange is carried out by convection current, it is not necessary to increase the equipment such as blower fan and power consumption；
(5) a kind of sintering flue gas cool-down depositing dust of the invention and dust collecting system, the diaphragm that homogeneous vertical formula is fixed, both
The convection velocity of air rising is improved, the purpose of direct heat conduction can be played again, the in-house heat of flue gas cool-down is conducted
Export, improves the in-house cooling rate of flue gas cool-down；
(6) a kind of sintering flue gas cool-down depositing dust of the invention and dust collecting system, it is determined that accurate diaphragm distribution
Radian is set and the angle of flare openings is set, and small only 50-200Pa is damaged in the resistance of apparatus system pressure difference, and main technique system is not influenceed
System, it is not necessary to increase other devices, guarantee is provided for flue gas qualified discharge, the pressure loss is small, 2~3 realizations that can connect are more
Secondary cooling, depositing dust, reduce the stability requirement of cloth bag, reduce the input of cloth bag；Reduction is to sack cleaner cloth bag in final dusting
Temperature requirement, it is ensured that the safe operation of sack cleaner and cloth bag requirement, while discharge flue-gas temperature is reduced, can be by
More than 1mm bulky grain processing more than 90%, preventing the big bulky grain of amount of stored heat influences follow-up final dusting, such as, if not
Processing, bulky grain flue dust can be by cloth bag (being usually chemical fibre material) scaling loss in bag-type dust；
(7) sintering flue gas cool-down depositing dust of the invention and dust collecting system, the forced cooling mechanism of air conducting mechanism side wall
Setting, it is therefore an objective to when in whole device temperature it is too high have little time cooling when, play a part of supplement forced cooling, to reach ten thousand
None loses；
(8) sintering flue gas cool-down depositing dust of the invention and dust collecting system, flue gas cool-down mechanism diameter is 3 times of flue
More than, it is therefore an objective to when production technology fluctuation causes stress fluctuation, flue gas cool-down mechanism plays " accumulator " effect, realizes whole
The steady of production system overall process, buffering and stability, are more matched with the parameter for reaching whole system, more efficient, are adjusted
Section is easier；
(9) sintering flue gas cool-down depositing dust of the invention and dust collecting system, equally distributed atomizer, lowering temperature uniform, and
And, vapor is easily produced, cooling effect is more obvious, efficiency high；
(10) sintering flue gas cool-down depositing dust of the invention and dust collecting system, air-introduced machine is played to be forced to strengthen convection current to air
Effect, further to improve heat exchange efficiency；External residual heat using device can carry out secondary utilize to waste heat；
(11) sintering flue gas cool-down depositing dust of the invention and dust collecting system, can also exchange the pure hot-air of recovery, be
Sintering process is upgraded, and realizes that there is provided solid guarantee for hot gas sintering production；
(12) production technology of sintering flue gas cool-down depositing dust of the invention and dust collecting system, whole technical process cooling subtracts
Dirt, UTILIZATION OF VESIDUAL HEAT IN, fume recovery are carried out simultaneously, moreover, avoiding to whole technical process influence of fluctuations, the product quality of production
It is stable.
Brief description of the drawings
Fig. 1 is sintering flue gas cool-down depositing dust and dust collecting system structural representation of the invention；
Fig. 2 is the A-A faces profile in Fig. 1；
Fig. 3 is the B-B faces profile in Fig. 2；
Fig. 4 is the sintering flue gas cool-down depositing dust and dust collecting system structural representation of embodiment 11；
Fig. 5 sinters flue gas cool-down depositing dust and the production technological process of dust collecting system for the present invention's.
In figure：1st, sintering furnace；2nd, flue gas cool-down device for reducing dust is sintered；3rd, dust arrester installation；4th, air-introduced machine；5th, induced duct；21、
Air delivery line；22nd, ash-laden gas ingress pipe；23rd, flue gas cool-down mechanism；24th, cloud of dust gas delivery line is subtracted；25th, air conducting machine
Structure；26th, depositing dust dust leg；27th, air conducting reinforcing mechanisms；28th, final stage subtracts cloud of dust gas delivery line；29th, forced cooling mechanism；
210th, air intake；211st, heat-exchanger rig；221st, flare openings；261st, ash-removing valve.
Embodiment
To further appreciate that present disclosure, with reference to accompanying drawing, the present invention is described in detail.
Embodiment 1
The sintering flue gas cool-down depositing dust and dust collecting system of the present embodiment, as shown in figure 1, including 2 by subtracting cloud of dust conductance
The sintering flue gas cool-down device for reducing dust 2 of the serial communication of outlet pipe 24；Pass through end with the sintering flue gas cool-down device for reducing dust 2 of end
Level subtracts the dust arrester installation 3 of the connection of cloud of dust gas delivery line 28, can be sack cleaner, is used after micronic dust is reclaimed；Wherein：
The sintering flue gas cool-down device for reducing dust 2 includes：Air conducting mechanism 25, can be in vertical or horizontal barrel-like structure, this reality
Example is applied using vertical barrel-like structure, a diameter of 3400mm is highly 4600mm, for cooling to whole device；Described
The inside of air conducting mechanism 25, and with air conducting mechanism 25 be in cavity loop nested structure flue gas cool-down mechanism 23, be also in
Vertical tubbiness, a diameter of 3000mm is highly 4000mm, and bulky grain flue dust is due to temperature reduction, and density becomes big, drops in flue gas
The bottom of cooling mechanism, reaches that the first step subtracts the effect of dirt；The flue gas cool-down mechanism 23 is external to pass air conducting mechanism 25
Ash-laden gas ingress pipe 22 and subtract cloud of dust gas delivery line 24, diameter is 1000mm, by ash-laden gas importing handle after, then will
Subtract the flue gas export of dirt cooling.
Embodiment 2
The sintering flue gas cool-down depositing dust and dust collecting system of the present embodiment, basic structure be the same as Example 1, different and improvements
It is：The flue gas cool-down mechanism 23 is in the barrel-like structure closed, it is to avoid outer gas stream produces ripple to flue gas in whole technique
Dynamic, the ash-laden gas ingress pipe 22 is penetrated with the air inlet for subtracting cloud of dust gas delivery line 24 at the top of barrel-like structure, and is inserted
To the bottom of barrel-like structure, increase in flue gas in the in-house flow distance of whole flue gas cool-down, allow bulky grain flue dust to have foot
The enough time cools and fallen；It is described to subtract cloud of dust gas delivery line 24 and final stage subtracts the gas outlet of cloud of dust gas delivery line 28 and is both secured to
The upper side of barrel-like structure, subtracts the flue gas after dirt and is exported by the pipeline；The bottom of the barrel-like structure is in closing in shape, and is dropped
Dirt dust leg 26 is communicated, and is easy to the centralized collection of bulky grain flue dust and is concentrated the secondary utilization after ash discharge.
Embodiment 3
The sintering flue gas cool-down depositing dust and dust collecting system of the present embodiment, basic structure be the same as Example 2, different and improvements
It is：As shown in Figure 1,3, ash-laden gas ingress pipe 22 and subtract cloud of dust gas delivery line 24 insertion barrel-like structure inside part be by
The flare openings 221 gradually opened down, making the air velocity of flue gas gradually reduces, it is to avoid acutely reduces and causes technological fluctuation mistake
Greatly, the flowing velocity of ash-laden gas and is gradually slowed down, extension flue gas is in the in-house flowing time of whole flue gas cool-down, further
Bulky grain flue dust is allowed to have time enough to cool and fall；The inside of headspace delivery line 21 of the air conducting mechanism 25 is solid
Surely heat-exchanger rig 211 is provided with, can be board-like or pipe heat exchanger, the heat that air conducting mechanism is exchanged heat is filled by exchanging heat
Absorption is put, the effect of heat recovery and utilization is reached.Air conducting mechanism 25 is in the drum structure that top is gradually closed up, and is easy to heat exchange
Hot-air afterwards is concentrated and secondary heat exchange utilization is carried out after outflow, and diameter is more than the flue gas cool-down mechanism 23, in flue gas cool-down machine
Ring cavity is formed around structure；In the ring cavity of the cavity loop nested structure, stationary distribution has air conducting reinforcing mechanisms 27, improves
Air velocity, and heat exchange efficiency is improved, ring cavity bottom is air intake 210.
Embodiment 4
The sintering flue gas cool-down depositing dust and dust collecting system of the present embodiment, basic structure be the same as Example 3, different and improvements
It is：Air conducting reinforcing mechanisms 27 are the diaphragm that homogeneous vertical formula is fixed, and have both improved the convection velocity of air rising,
The purpose of direct heat conduction can be played again, and the in-house heat conduction of flue gas cool-down is exported, flue gas cool-down is improved in-house
Cooling rate.The top of flue gas cool-down mechanism 23, is provided with the forced cooling mechanism for being fixed on the side wall of air conducting mechanism 25
29, to the barrel-like structure forced cooling of whole flue gas cool-down mechanism, when air conducting mechanism cooling-down effect is not obvious, play benefit
Fill the effect of forced cooling.Forced cooling mechanism 29 can be equally distributed atomizer, lowering temperature uniform；The heat-exchanger rig
211 be board-like or pipe heat exchanger, and heat exchange efficiency is high.
Embodiment 5
The sintering flue gas cool-down depositing dust and dust collecting system of the present embodiment, basic structure be the same as Example 4, different and improvements
It is：Air-introduced machine is fixed in the exit of air delivery line 21, is played a part of forced convertion, can be improved heat exchange efficiency, and external
Residual heat using device, secondary utilize is carried out to waste heat；The exit of depositing dust dust leg 26 sets ash-removing valve 261, stops air inlet
When, concentrate bulky grain soot emissions.
Embodiment 6
The sintering flue gas cool-down depositing dust and dust collecting system of the present embodiment, basic structure be the same as Example 4, different and improvements
It is：Diaphragm is distributed as the radian setting every 20 °, altogether 18.The angle of flare openings 221 is 80 °；Air is led
The diameter ratio for flowing mechanism 25 and flue gas cool-down mechanism 23 is 1.1：1；Flue gas cool-down mechanism 23, ash-laden gas ingress pipe 22 and subtract dirt
The diameter ratio of flue gas delivery line 24 is：(3~5)：1：1, be respectively in the present embodiment：5500mm, 5000mm, 1000mm and
1000mm。
The sintering flue gas cool-down depositing dust and the production technology of dust collecting system of the present embodiment, as shown in figure 5, step is：
Step 1: ash-laden gas is imported：The ash-laden gas temperature that sintering furnace 1 is produced is typically more than 400 DEG C, and be rich in
Bulky grain flue dust, such as diameter are more than 1mm, and first sintering flue gas cool-down device for reducing dust 2 is imported by ash-laden gas ingress pipe 22
In flue gas cool-down mechanism 23 inside；
Step 2: one-level gravity subtracts dirt：Bulky grain flue dust drops down onto the bottom of flue gas cool-down mechanism 23 under its own Action of Gravity Field
Portion；
Step 3: one-level flue gas cool-down：Subtract the flue gas after dirt during rising inside flue gas cool-down mechanism 23, in sky
In the presence of gas deflector 25, two mechanisms heat exchange, the bulk temperature of whole flue gas cool-down mechanism 23 declines, and subtracts the flue gas after dirt
Temperature accordingly reduce；And the halfway bulky grain that falls is due to temperature reduction, under the principle expanded with heat and contract with cold, density increase, when
When self gravitation gradually increases to the buoyancy more than air-flow, the bottom for falling to flue gas cool-down mechanism 23 that will continue, i.e.,：Contain
Cloud of dust gas declines inside flue gas cool-down mechanism 23, either in still uphill process, because air conducting mechanism 25 is to flue gas
The cooling effect of cooling mechanism 23, can all have bulky grain flue dust is lasting to drop, if flue gas cool-down mechanism 23 is sufficiently high, theoretical
On, all bulky grain flue dust can all drop；
Step 4: one-level subtracts dirt cooling flue gas export：Subtract the flue gas after dirt cooling to export by subtracting cloud of dust gas delivery line 24
Inside flue gas cool-down mechanism 23 into second sintering flue gas cool-down device for reducing dust 2；
Step 5: repeat step three, four, which carries out two grades, subtracts dirt cooling, and it is true according to the air outlet temperature of cloud of dust gas delivery line 24 is subtracted
Deciding grade and level number, until air outlet temperature is reduced to less than 100 DEG C, will not have destruction to dust arrester installation 3；
Step 6：Thin dirt is reclaimed：Step 5 cooling is subtracted the flue gas after dirt and subtracts cloud of dust gas delivery line 28 by final stage and is passed through
Dust arrester installation 3, reclaims thin dirt；Dust arrester installation 3 typically selects sack cleaner, and the too high flue gas of temperature can damage bag-type dust
Device；Sack cleaner can recycle and reuse thin dirt；
Step 7: waste heat recovery：The heat produced after each air conducting mechanism 25 is exchanged heat is led in air delivery line 21
During going out, absorbed, and utilized again by the way that residual heat using device is secondary by heat-exchanger rig 211.
After testing, flue gas after treatment, final stage subtracts after the export of cloud of dust gas delivery line 28, and temperature is less than 100 DEG C, and will
More than 1mm bulky grain is reduced to less than 10%, will not produce destructive effect to final dusting device.
The sintering flue gas cool-down depositing dust and dust collecting system of the present embodiment, the diameter of flue gas cool-down mechanism 23 is flue 5
Times, it is therefore an objective to when production technology fluctuation causes stress fluctuation, by the release of the heat balance in flue to more than ten even
In the space of the flue gas cool-down mechanism 23 of twenties times of opposing seal, flue gas cool-down mechanism 23 plays " accumulator " effect, real
Now the steady of whole production system overall process, buffering and stability, are more matched, efficiency is more with the parameter for reaching whole system
Height, regulation is easier.
Embodiment 7
The sintering flue gas cool-down depositing dust and dust collecting system of the present embodiment, basic structure be the same as Example 6, different and improvements
It is：As shown in Fig. 2 diaphragm is distributed as the radian setting every 30 °, altogether 12.The angle of flare openings 221 is
70°。
After testing, flue gas after treatment, final stage subtracts after the export of cloud of dust gas delivery line 28, and temperature is less than 90 DEG C, and will
More than 1mm bulky grain is reduced to less than 5%.
Embodiment 8
The sintering flue gas cool-down depositing dust and dust collecting system of the present embodiment, basic structure be the same as Example 6, different and improvements
It is：Diaphragm is distributed as the radian setting every 40 °, altogether 9.The angle of flare openings 221 is 75 °.
After testing, flue gas after treatment, subtract cloud of dust gas delivery line 28 export after, temperature be less than 80 DEG C, and by 1mm with
On bulky grain reduce to less than 3%.
Embodiment 9
The sintering flue gas cool-down depositing dust and dust collecting system of the present embodiment, basic structure be the same as Example 5, sintering flue gas cool-down drop
Dirt device 2 is 3 of series connection, and diaphragm is distributed as the radian setting every 30 °, altogether 12.The angle of flare openings 221
Spend for 70 °.
The sintering flue gas cool-down depositing dust and the production technology of dust collecting system of the present embodiment, step is：
Step 1: the ash-laden gas temperature that sintering furnace 1 is produced is more than 500 DEG C, and rich in bulky grain flue dust, such as diameter
More than 1mm, imported by ash-laden gas ingress pipe 22 in the flue gas cool-down mechanism 23 in first sintering flue gas cool-down device for reducing dust 2
Portion；
Step 2: one-level gravity subtracts dirt：Bulky grain flue dust drops down onto the bottom of flue gas cool-down mechanism 23 under its own Action of Gravity Field
Portion；
Step 3: one-level flue gas cool-down：Subtract the flue gas after dirt during rising inside flue gas cool-down mechanism 23, in sky
In the presence of gas deflector 25, two mechanisms heat exchange, the bulk temperature of whole flue gas cool-down mechanism 23 declines, and subtracts the flue gas after dirt
Temperature accordingly reduce；Because early stage entrance flue gas temperature is too high, starts atomizer and the staving of flue gas cool-down mechanism 23 is entered
Row forced cooling；Restart air-introduced machine, the convection current to the air in ring cavity is strengthened；So, to flue gas cool-down mechanism 23
The cooling-down effect of staving internal temperature is increased exponentially, and plays a part of collaboration；And the halfway bulky grain that falls is due to temperature
Under reduction, the principle expanded with heat and contract with cold, density increase, when self gravitation gradually increases to the buoyancy more than air-flow, will continue
The bottom for falling to flue gas cool-down mechanism 23, i.e.,：Ash-laden gas declines inside flue gas cool-down mechanism 23, either on still
During rising, the cooling effect due to air conducting mechanism 25 to flue gas cool-down mechanism 23 all can have bulky grain flue dust lasting
Drop；
Step 4: one-level subtracts dirt cooling flue gas export：Subtract the flue gas after dirt cooling to export by subtracting cloud of dust gas delivery line 24
Inside flue gas cool-down mechanism 23 into second sintering flue gas cool-down device for reducing dust 2；
Step 5: two grades of the progress of repeat step three, four, three-level subtract dirt cooling；
Step 6：Thin dirt is reclaimed：Step 5 cooling is subtracted the flue gas after dirt and subtracts cloud of dust gas delivery line 28 by final stage and is passed through
Sack cleaner, reclaims thin dirt；
Step 7: waste heat recovery：The heat produced after each air conducting mechanism 25 is exchanged heat is led in air delivery line 21
During going out, absorbed, and utilized again by the way that residual heat using device is secondary by heat-exchanger rig 211.
After testing, although early stage flue dust temperature is too high, but after tertiary treatment, cloud of dust gas delivery line 28 is subtracted through final stage
After export, temperature is less than 100 DEG C, and more than 1mm bulky grain is reduced to less than 10%, and also sack cleaner will not be produced
Destructive effect.It is additionally, since air conducting mechanism 25 and flue gas cool-down mechanism 23 is relatively isolated, strengthens convection current and force to drop
Temperature would not also influence the fluctuation of whole technical process all without excessive fluctuation is produced to the inside smoke of flue gas cool-down mechanism 3.
Embodiment 10
The sintering flue gas cool-down depositing dust and dust collecting system of the present embodiment, basic structure be the same as Example 9, different and improvements
It is：Because the vapor that atomizer is produced is excessive, heat-exchanger rig 211 and secondary waste heat can be influenceed to utilize the use longevity of device
Life, therefore, for the ash-laden gas no more than 500 DEG C, atomizer can not be started, it is necessary to when, it is only necessary to start air-introduced machine
It can reach the effect that cooling subtracts dirt.
Embodiment 11
The sintering flue gas cool-down depositing dust and dust collecting system of the present embodiment, basic structure be the same as Example 9, different and improvements
It is：Heat-exchanger rig 211 is no longer fixedly installed inside air delivery line 21, but as shown in figure 4, will be at different levels by induced duct 5
Sinter flue gas cool-down device for reducing dust 2 air delivery line 21 connect after, then by air-introduced machine 4 air after heat exchange is led directly to
Sintering furnace, the pure hot-air of recovery is upgraded for sintering process, is realized hot gas sintering circulation production, has been reclaimed the heat of heat exchange
Amount, and is directly utilized, it is to avoid conversion is wasted, and reduces production cost.
Schematical above that the present invention and embodiments thereof are described, the description does not have restricted, institute in accompanying drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel are enlightened by it, without departing from the spirit of the invention, are designed and the technical scheme without creative
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (10)
1. one kind sintering flue gas cool-down depositing dust and dust collecting system, it is characterised in that including：
At least two is by subtracting the sintering flue gas cool-down device for reducing dust (2) of cloud of dust gas delivery line (24) serial communication；
The dress that gathers dust that cloud of dust gas delivery line (28) is connected is subtracted by final stage with the sintering flue gas cool-down device for reducing dust (2) of end
Put (3)；Wherein：
The sintering flue gas cool-down device for reducing dust (2) includes：
Air conducting mechanism (25)；
Dropped in the inside of the air conducting mechanism (25), and with air conducting mechanism (25) in the flue gas of cavity loop nested structure
Warm mechanism (23)；
The external ash-laden gas ingress pipe (22) for passing air conducting mechanism (25) of the flue gas cool-down mechanism (23) and subtract the cloud of dust
Gas delivery line (24).
2. sintering flue gas cool-down depositing dust according to claim 1 and dust collecting system, it is characterised in that：
The flue gas cool-down mechanism (23) the ash-laden gas ingress pipe (22) and subtracts cloud of dust conductance and gone out in the barrel-like structure of closing
The air inlet of pipe (24) is penetrated at the top of barrel-like structure, and is inserted into the bottom of barrel-like structure；It is described to subtract cloud of dust gas delivery line
(24) subtract the gas outlet of cloud of dust gas delivery line (28) with final stage and be both secured to the upper side of barrel-like structure；The barrel-like structure
Bottom is communicated in closing in shape, and depositing dust dust leg (26).
3. sintering flue gas cool-down depositing dust according to claim 2 and dust collecting system, it is characterised in that：The dust constaining conductance
The part for entering pipe (22) and subtracting inside cloud of dust gas delivery line (24) insertion barrel-like structure is the flare openings gradually opened down
(221)；Heat-exchanger rig (211) is fixedly installed inside the headspace delivery line (21) of the air conducting mechanism (25).
4. sintering flue gas cool-down depositing dust according to claim 3 and dust collecting system, it is characterised in that：The air conducting machine
Structure (25) is in the drum structure that top is gradually closed up, and diameter is more than the flue gas cool-down mechanism (23)；It is sleeved in the cavity
In the ring cavity of structure, stationary distribution has air conducting reinforcing mechanisms (27), and ring cavity bottom is air intake (210).
5. sintering flue gas cool-down depositing dust according to claim 4 and dust collecting system, it is characterised in that：The air conducting adds
Strong mechanism (27) is the diaphragm that homogeneous vertical formula is fixed.
6. sintering flue gas cool-down depositing dust according to claim 5 and dust collecting system, it is characterised in that：The diaphragm point
Cloth is the radian setting every 20~40 °；The angle of the flare openings (221) is 70~80 °.
7. sintering flue gas cool-down depositing dust according to claim 5 and dust collecting system, it is characterised in that：The flue gas cool-down machine
The top of structure (23), is provided with the forced cooling mechanism (29) for being fixed on air conducting mechanism (25) side wall.
8. sintering flue gas cool-down depositing dust according to claim 7 and dust collecting system, it is characterised in that：The forced cooling machine
Structure (29) is equally distributed atomizer；The heat-exchanger rig (211) is board-like or pipe heat exchanger.
9. sintering flue gas cool-down depositing dust according to claim 7 and dust collecting system, it is characterised in that：The air delivery line
(21) air-introduced machine, and external residual heat using device are fixed in exit；Depositing dust dust leg (26) exit sets ash-removing valve
(261)。
10. a kind of production technology for sintering flue gas cool-down depositing dust and dust collecting system, it is characterised in that step is：
Step 1: ash-laden gas is imported：The ash-laden gas that sintering furnace (1) is produced imports first by ash-laden gas ingress pipe (22)
The flue gas cool-down mechanism (23) sintered in flue gas cool-down device for reducing dust (2) is internal；
Step 2: one-level gravity subtracts dirt：Bulky grain flue dust drops down onto flue gas cool-down mechanism (23) bottom under its own Action of Gravity Field；
Step 3: one-level flue gas cool-down：Subtract the flue gas after dirt during rising inside flue gas cool-down mechanism (23), in air
In the presence of deflector (25), two mechanisms heat exchange, the bulk temperature of whole flue gas cool-down mechanism (23) declines, and subtracts the cigarette after dirt
The temperature of gas is accordingly reduced；
Step 4: one-level subtracts dirt cooling flue gas export：Subtract dirt cooling after flue gas by subtract cloud of dust gas delivery line (24) export to
Flue gas cool-down mechanism (23) in second sintering flue gas cool-down device for reducing dust (2) is internal；
Step 5: repeat step three, four, which carries out two grades, subtracts dirt cooling, and determined according to cloud of dust gas delivery line (24) air outlet temperature is subtracted
Series；
Step 6：Thin dirt is reclaimed：Step 5 cooling is subtracted the flue gas after dirt and subtracts cloud of dust gas delivery line (28) by final stage and is passed through receipts
Dirt device (3), reclaims thin dirt；
Step 7: waste heat recovery：The heat produced after each air conducting mechanism (25) is exchanged heat is led in air delivery line (21)
During going out, absorbed, and utilized again by the way that residual heat using device is secondary by heat-exchanger rig (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710605630.5A CN107198929A (en) | 2017-07-24 | 2017-07-24 | One kind sintering flue gas cool-down depositing dust and dust collecting system and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710605630.5A CN107198929A (en) | 2017-07-24 | 2017-07-24 | One kind sintering flue gas cool-down depositing dust and dust collecting system and its production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107198929A true CN107198929A (en) | 2017-09-26 |
Family
ID=59911437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710605630.5A Pending CN107198929A (en) | 2017-07-24 | 2017-07-24 | One kind sintering flue gas cool-down depositing dust and dust collecting system and its production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107198929A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971191A (en) * | 2006-12-07 | 2007-05-30 | 昆明阳光数字技术股份有限公司 | Process for recovery of excess energy of flue gas from converter |
| CN202113703U (en) * | 2011-06-09 | 2012-01-18 | 山东圣威新能源有限公司 | Energy-saving dust collector |
| CN203355549U (en) * | 2013-07-23 | 2013-12-25 | 内蒙古鄂尔多斯冶金有限责任公司 | Dust removing system for silicon manganese alloy airtight electric stove |
| WO2014076724A2 (en) * | 2012-11-19 | 2014-05-22 | Pezone Luigi Antonio | Capture cooling purification chimneys (ccpc) |
| CN104180678A (en) * | 2014-09-15 | 2014-12-03 | 上海宝钢节能环保技术有限公司 | Anti-blockage rotary hearth furnace smoke processing system and method |
| CN106440833A (en) * | 2016-09-26 | 2017-02-22 | 刘启端 | Wet-process dust removal, desulfurization and denitrification system and method for flue gas |
| KR20170077766A (en) * | 2015-12-28 | 2017-07-06 | 신현명 | Smoke purifier |
| CN106969638A (en) * | 2017-04-01 | 2017-07-21 | 江苏省冶金设计院有限公司 | Rotary hearth furnace fume afterheat gradient utilization system and application method |
| CN207187394U (en) * | 2017-07-24 | 2018-04-06 | 马鞍山钢铁股份有限公司 | One kind sintering flue gas cool-down depositing dust and dust collecting system |
-
2017
- 2017-07-24 CN CN201710605630.5A patent/CN107198929A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971191A (en) * | 2006-12-07 | 2007-05-30 | 昆明阳光数字技术股份有限公司 | Process for recovery of excess energy of flue gas from converter |
| CN202113703U (en) * | 2011-06-09 | 2012-01-18 | 山东圣威新能源有限公司 | Energy-saving dust collector |
| WO2014076724A2 (en) * | 2012-11-19 | 2014-05-22 | Pezone Luigi Antonio | Capture cooling purification chimneys (ccpc) |
| CN203355549U (en) * | 2013-07-23 | 2013-12-25 | 内蒙古鄂尔多斯冶金有限责任公司 | Dust removing system for silicon manganese alloy airtight electric stove |
| CN104180678A (en) * | 2014-09-15 | 2014-12-03 | 上海宝钢节能环保技术有限公司 | Anti-blockage rotary hearth furnace smoke processing system and method |
| KR20170077766A (en) * | 2015-12-28 | 2017-07-06 | 신현명 | Smoke purifier |
| CN106440833A (en) * | 2016-09-26 | 2017-02-22 | 刘启端 | Wet-process dust removal, desulfurization and denitrification system and method for flue gas |
| CN106969638A (en) * | 2017-04-01 | 2017-07-21 | 江苏省冶金设计院有限公司 | Rotary hearth furnace fume afterheat gradient utilization system and application method |
| CN207187394U (en) * | 2017-07-24 | 2018-04-06 | 马鞍山钢铁股份有限公司 | One kind sintering flue gas cool-down depositing dust and dust collecting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104006371B (en) | Based on waste-heat recovery device and the exhaust heat recovering method of outlet fibre selection | |
| CN103644743B (en) | Combination system for efficiently using waste heat in iron mine sintering cooling process | |
| CN107270729A (en) | A kind of industrial production flue gas cool-down subtracts dirt waste-heat recovery device and recovery method | |
| CN107243186A (en) | A kind of metallurgical raw material drying exhaust gas dust recovery system and its recovery process | |
| CN106433700A (en) | Coke dry quenching dust removal system and process capable of efficiently recovering heat energy | |
| CN103759545B (en) | AOD furnace flue dust senior middle school temperature waste heat just can be recycled and dust pelletizing system | |
| CN106197045A (en) | Afterheat boiler system, rotary hearth furnace high-temperature dust-containing flue gas processing system and method | |
| CN207193362U (en) | A kind of rotary hearth furnace zinc powder off-gas recovery pretreatment unit | |
| CN110332076A (en) | Self-service smoke elimination power generation fume extractor | |
| CN108827005A (en) | A kind of sinter waste heat recycles perpendicular tank and boiler integrated apparatus | |
| CN207197277U (en) | A kind of pelletizing production flue gas cool-down depositing dust and processing unit of gathering dust | |
| CN207187394U (en) | One kind sintering flue gas cool-down depositing dust and dust collecting system | |
| CN102312038B (en) | Converter gas water-free explosionproof dedusting process and equipment | |
| CN101979951A (en) | Dry dedusting and sensible heat recovery system for electric furnace flue gas | |
| CN203837510U (en) | Consteel furnace flue gas waste heat power generation and dust removal system | |
| CN107217151B (en) | A kind of rotary hearth furnace zinc powder off-gas recovery pretreatment unit and its pretreating process | |
| CN103981328B (en) | Aod converter gas waste heat heating-cooling-power cogeneration and dust pelletizing system | |
| CN207187318U (en) | A kind of metallurgical raw material dries exhaust gas dust recovery system | |
| CN207197278U (en) | A kind of industrial production flue gas cool-down subtracts dirt waste-heat recovery device | |
| CN209188413U (en) | A kind of energy-saving and emission-reduction flue gas and desulfurizing and denitrifying device | |
| CN107198929A (en) | One kind sintering flue gas cool-down depositing dust and dust collecting system and its production technology | |
| CN104534858B (en) | A kind of apparatus and method for drying coal | |
| CN206244715U (en) | A kind of CDQ Emission Control System of energy high efficiente callback heat energy | |
| CN107238298A (en) | A kind of pelletizing production flue gas cool-down depositing dust and gather dust processing unit and its processing method | |
| CN203687659U (en) | System for recycling high-and-medium-temperature waste heat positive energy of smoke in AOD furnace and dedusting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170926 |