CN107723397A - Clinker wind quenching granulating device - Google Patents
Clinker wind quenching granulating device Download PDFInfo
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- CN107723397A CN107723397A CN201711166907.5A CN201711166907A CN107723397A CN 107723397 A CN107723397 A CN 107723397A CN 201711166907 A CN201711166907 A CN 201711166907A CN 107723397 A CN107723397 A CN 107723397A
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- Prior art keywords
- clinker
- slag
- wind
- granulation
- wind quenching
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- 238000010791 quenching Methods 0.000 title claims abstract description 36
- 230000000171 quenching effect Effects 0.000 title claims abstract description 36
- 239000002893 slag Substances 0.000 claims abstract description 126
- 238000005469 granulation Methods 0.000 claims abstract description 61
- 230000003179 granulation Effects 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 239000002245 particle Substances 0.000 claims description 17
- 230000033001 locomotion Effects 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 15
- 238000011084 recovery Methods 0.000 abstract description 13
- 230000004927 fusion Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 27
- 238000001816 cooling Methods 0.000 description 22
- 239000002918 waste heat Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000007667 floating Methods 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
-
- 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
- Y02P10/20—Recycling
Abstract
The application belongs to slag granulation field; a kind of more particularly to clinker wind quenching granulating device; the clinker wind quenching granulating device includes slag granulation room; the clinker blanking port communicated therewith is provided with slag granulation room; the slag granulation chamber communicated therewith using air-flow granulated slag is provided with below clinker blanking port, slag granulation chamber side is provided with the clinker wind quenching granulation mechanism communicated therewith.The application is blown into slag collection room using high pressure draught by the slag granulation of high-temperature fusion and by feeding mouth; multi-stage heat exchanger mechanism in slag collection room can carry out conveying distribution to the clinker being blown into and carry out multi-stage heat exchanger to it simultaneously, improve heat recovery rate.
Description
【Technical field】
The application belongs to slag granulation field, more particularly to a kind of clinker wind quenching granulating device.
【Background technology】
Industrial circle at present, smelt furnace apparatus and produce substantial amounts of clinker in process of production, these clinkers are often with big
The waste heat of amount, has technical data to show, the part of waste heat resource accounts for more than the 30% of its Fuel Consumption, it is seen that afterheat of slags
Using tremendous potential being present.The utilization of afterheat of slags can both reduce the energy consumption of unit product, and and can reduces environmental pollution, because
This, the UTILIZATION OF VESIDUAL HEAT IN of clinker has considerable economic benefit and social benefit.It is existing to be used for answering the apparatus structure of slag granulation
It is miscellaneous, and slag particle particle diameter is difficult to control so that the clinker heat exchange efficiency of subsequent handling is low, and the amount of heat carried in clinker is unrestrained
Take, thermal pollution directly is caused to environment.
In view of above-mentioned problem, the applicant has made rational modification, and technical scheme described below is base
Caused by under the premise of this.
【The content of the invention】
In view of the shortcomings of the prior art, the application provides a kind of clinker wind quenching granulating device, using high pressure draught by high temperature
The slag granulation of melting is simultaneously blown into slag collection room by feeding mouth, and the multi-stage heat exchanger mechanism in slag collection room can be to being blown into
Clinker carry out conveying distribution and carry out multi-stage heat exchanger to it simultaneously, improve heat recovery rate.
The application is to solve technical scheme used by its technical problem：
Clinker wind quenching granulating device, including slag granulation room, the clinker communicated therewith is provided with the slag granulation room and is fallen
Material mouth, the clinker blanking port lower section are provided with the slag granulation chamber communicated therewith using air-flow granulated slag, the slag granulation
Chamber side is provided with the clinker wind quenching granulation mechanism communicated therewith.
The relative thickness H that the lateral separation for the slag stream that the clinker blanking port is fallen need to penetrate for granulation wind, the clinker
The relative thickness H that slag particle footpath D after wind quenching granulation mechanism granulated slag need to penetrate with the granulation wind meets relational expression：Wherein,
K、n：Experiment determines correction factor；
ρ：The density of slag stream；
υ：The feature flow velocity of slag；
l：The characteristic length of slag；
σ：The surface tension coefficient of slag stream；
μ：It is granulated the feature flow velocity of wind；
L:It is granulated the characteristic length of wind；
γ：It is granulated the kinematic viscosity coefficient of wind.
The clinker wind quenching granulation mechanism includes the main burner of the rear side below the clinker blanking port blanking end.
Clinker wind quenching granulation mechanism also includes two on the symmetrically arranged auxiliary jet of the main burner, described in two
The elongated central line of auxiliary jet is intersected at a point with the elongated central line of the main burner and the point is located at the clinker blanking port
Elongated central line on.
The central axis of the auxiliary jet and the central axis of main burner have angle α, and the angle α is 30 °~45 °.
The clinker wind quenching granulation mechanism is provided with the nozzle angle governor motion that can adjust the main burner spray wind angle.
The slag hole being vertically arranged is offered on the slag granulation room, is provided with the slag hole and connects with the slag mouth
Logical slag dropping tube, the lower end of the slag dropping tube are located at the top of the main burner.
The scum pipe connected with the slag granulation chamber, the scum pipe and the stove are additionally provided with the slag granulation room
Slag blanking port is relative and is located at the lower section of the slag dropping tube.
Compared with prior art, the beneficial effect of the application is, using high pressure draught by the slag granulation of high-temperature fusion
And be blown into by feeding mouth in slag collection room, the multi-stage heat exchanger mechanism in slag collection room can convey to the clinker being blown into
Distribute and carry out multi-stage heat exchanger to it simultaneously, improve heat recovery rate.
【Brief description of the drawings】
In order to illustrate more clearly of the technical scheme in the embodiment of the present application, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the high temperature exhaust-heat recovery unit of the application；
Fig. 2 is the structural representation of the branch chamber of the application；
Fig. 3 is the structural representation of the clinker wind quenching granulating device of the application；
Fig. 4 is the structural representation of the clinker wind quenching granulation mechanism of the application；
Fig. 5 is the top view of the clinker wind quenching granulation mechanism of the application.
【Embodiment】
The application is described further below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figures 1 to 5, a kind of high temperature exhaust-heat recovery unit, including closed shell 1, it is provided with the closed shell
For collecting the slag collection room of clinker, the closed shell is provided with the feeding mouth 11 connected with the slag collection room, high
Warm waste-heat recovery device also includes clinker is blown into clinker by the feeding mouth using compressed air stream located at closed shell side
Clinker wind quenching granulating device in collecting chamber, clinker wind quenching granulating device include slag granulation room 20, and slag granulation is provided with room
The clinker blanking port 21 communicated therewith, the lower section of clinker blanking port 21 are provided with the slag granulation communicated therewith using air-flow granulated slag
Chamber 23, slag granulation chamber side are provided with the clinker wind quenching granulation mechanism 22 communicated therewith, and high temperature exhaust-heat recovery unit also includes setting
In the clinker heat-exchanger rig in slag collection room, clinker heat-exchanger rig includes being used for the clinker heat exchange mechanisms 3 for conveying distribution clinker,
The first order heat exchange material bed 31 that the clinker heat exchange mechanisms include being obliquely installed and feed end is high, discharge end is low, first order heat exchange material
The bottom of bed, which is provided with, can be passed through the air vent that clinker is blowed floating and moved to discharge end by cooling air-flow.
The high temperature exhaust-heat recovery unit of the present embodiment, using compressed air stream by the slag granulation of high-temperature fusion, pass through granulation
Room is blown into slag collection room, the clinker heat-exchanger rig in slag collection room the clinker being blown into can be carried out conveying distribution and simultaneously
Multi-stage heat exchanger is carried out to it, cooling air-flow can blow floating clinker and to subordinate's material bed movement by expecting the air vent of bed bottom, right
Slag granules are distributed by repeatedly collecting, distributing, exchanging heat, regathering, realize conveying, heat transfer and the heat exchange to slag granules, together
When make low pressure cooling wind energy enough carry out step by step, uniform heat exchange, reach afterheat of slags recovery purpose, afterheat of slags recycle effect
Rate is high.
The clinker heat exchange mechanisms include blanking storehouse 33, the first order heat exchange material bed 31, second being sequentially connected from top to bottom
Level heat exchange material bed 32 and receiving warehouse 34, wherein, blanking storehouse is used to convey clinker, and first order heat exchange material bed 31 connects with blanking storehouse 33
It is common to carrying clinker.Specifically, first order heat exchange material bed 31 includes multi-disc is in step shape and is stacked downwards successively first
Slag-guiding plate 311, is provided with gap between adjacent first slag-guiding plate, and the gap forms described air vent, and adjacent first slag-guiding plate
Abutting end is overlapping in the projection of vertical direction；Heat exchange material bed 32 in the second level includes what multi-disc was stacked downwards successively in step shape
Second slag-guiding plate 321, throwing of the abutting end in vertical direction of gap and adjacent second slag-guiding plate is provided between adjacent second slag-guiding plate
Shadow is overlapping, and receiving warehouse is used to collect clinker.The advantage is that, be advantageous to clinker to subordinate material bed slide and meanwhile avoid clinker without
Heat exchange is directly entered next stage heat exchange material bed, and cooling air-flow is by the gap between adjacent first slag-guiding plate by the first slag-guiding plate
Clinker blows floating to form floating bed and move down to form moving bed, by the regulation of air quantity, blast, can control the mobile speed of clinker
Degree and thickness, so as to improve the efficiency of afterheat of slags recovery.Certainly, the first order heat exchange material bed in the present embodiment is not limited to
Structure is stated, for example, in the specific implementation, heat exchange material bed can be the heat exchange flitch that a monoblock is obliquely installed, air vent is multiple
Every the heat exchanging holes being uniformly opened on heat exchange flitch, heat exchanging holes are obliquely installed and the setting direction of its incline direction and heat exchange flitch
Conversely.
The first order heat exchange material bed 31 expects that bed 32 forms the taper knot that opening inboard end gradually expands with second level heat exchange
Structure, the pyramidal structure is provided with two, and two pyramidal structures are symmetrical arranged.In the present embodiment, pyramidal structure is provided with two
It is individual, and be symmetrical arranged on ventilation duct, the pyramidal structure in left side can be used for the clinker for collecting bulky grain, and the pyramidal structure on right side can
For collecting short grained clinker, the clinker after granulation is spread in slag collection room in sector, the particle diameter of particle, density, speed
Degree is different, but drop point drops to approximately fixed region in length direction by particle diameter is descending substantially, and left side particle is larger, right
Side particle is smaller, is allocated in by blanking storehouse in the heat exchange material bed of left and right ends.Clinker in blanking storehouse is changed by distributing to enter
Hot material bed, material bed bottom is the resistance to material of resistant to elevated temperatures high intensity, and both ends are fixed on wall, the slag-guiding plate of shape stepped, cooling
Wind is passed through from the bottom of the second slag-guiding plate, and clinker is exchanged heat, and clinker by multi-stage heat exchanger, movement, exchange heat again, until entering next
Level collecting bin, by the regulation of cooling air quantity, blast, the translational speed and thickness of clinker are controlled, is returned so as to improve afterheat of slags
The efficiency of receipts.
The top of the first order heat exchange material bed 31 is provided with polylith uniformly spaced air distribution plate 35, the air distribution plate
One end be oriented to and set to the middle part air-flow in the blanking storehouse 33, its other end exchanges heat the one lateral of material bed 31 to the first order
Lower extension, and form the gap that exchange heat material bed is slid to the first order for clinker between the adjacent air distribution plate 35.The stove of high-temperature fusion
The compressed air flow blowing of slag enters slag collection room, makes high-speed air that the clinker that will be landed is blowed into slag collection by air distribution plate
Room, the air velocity in air distribution plate gap is higher, will not cause the leakage of slag, even if a small amount of leakage nor affects on use.
The clinker heat-exchanger rig, which also includes to exchange heat to the second level, expects that the bottom of bed 32 is blown into sending for cooling air-flow
Wind apparatus, the air-supply arrangement include the cooling duct 4 located at second level heat exchange material bed 32 outer end bottom, the cooling wind
Pipe is provided with the nozzle that cooling air-flow can be blown into the bottom of the second slag-guiding plate 321.The cooling of the nozzle blowout of cooling duct
Air-flow enters from the bottom of the second slag-guiding plate, and cooling heat transferring is carried out to the clinker on the second slag-guiding plate.The air-supply arrangement also wraps
The ventilation duct for being arranged in the receiving warehouse 34 and blanking storehouse 33 is included, the top of the ventilation duct is provided with connected with ventilation duct first
Level blows slag pipe 5, and the first order blows slag pipe and is provided with the nozzle for being inserted into blanking storehouse lower end, and the top of the cooling duct is provided with
Slag pipe 7 is blown in the second level, and the second level blows slag pipe and is provided with the nozzle being inserted into second level heat exchange material bed 32.Second slag-guiding plate
On clinker through cooling wind processing after caused hot gas enter air distribution plate region from the bottom of the first slag-guiding plate, the first order blows slag
Pipe can prevent the clinker in blanking storehouse from blocking blanking storehouse, be easy to clinker to move, and similarly, slag pipe is blown in the second level can prevent clinker from blocking the
Two level blanking storehouse.
Cooling of furnace slag on cooling duct exchange hot material bed, for increase air and the particle surface temperature difference, improves heat exchange efficiency,
Using cold wind and the multiple countercurrent flow of clinker, by repeatedly collecting, distributing, uniform particle distribution, extend particle and stop
Stay the time；By the control to thickness of feed layer, air drag is reduced, saves the energy.
Further to be reclaimed to afterheat of slags, utilization rate of waste heat, the side wall convex of the closed shell 1 are improved
Branch chamber 6 provided with opening inwardly, the branch chamber is interior to be provided with the air holes 61 and regenerative structure 62 communicated therewith, the accumulation of heat knot
Structure is connected by the branch chamber 6 with the air holes, and the cooling air-flow that the air-supply arrangement is blown out is drained to described by air holes
Branch chamber 6, the radiant heat absorbed to regenerative structure, which is reclaimed and carries heat, enters flue collector mouth.The regenerative structure 62 is adopted
The porous regenerator brick commonly used with prior art, it is located at clinker flight range side wall, for the waste heat to being radiated during slag granulation
Recovery.The air holes is opened in the side wall of slag collection room and between the air distribution plate and first order heat exchange material bed, due to
Molten slag temperature is more than 1400 DEG C, and radiant heat proportion is higher during granulation, to reclaim the partial heat as far as possible, in clinker grain
Change flight range sidewall design porous regenerator brick, radiant heat is reclaimed, meanwhile, the cooling air-flow portion of cooling duct blowout
Divide after exchanging heat material bed through the first order and enter air distribution plate region, directly carry out cooling heat transferring simultaneously to resting on the clinker on air distribution plate
Clinker is blowed into slag collection room, fraction branches to branch chamber by air holes, and the radiant heat that regenerative structure absorbs is carried out
Reclaim and carry heat and enter flue collector mouth, while the wind speed in air distribution plate region can be avoided too high, carry particle and enter hot blast cigarette
Road.
The relative thickness H that the lateral separation for the slag stream that the clinker blanking port 21 is fallen need to penetrate for granulation wind, the stove
The relative thickness H that slag particle footpath D after slag wind quenching granulation mechanism 22 granulated slag need to penetrate with the granulation wind meets relational expression：Wherein,
K、n：Experiment determines correction factor； ρ：The density of slag stream；
υ：The feature flow velocity of slag； l：The characteristic length of slag；
σ：The surface tension coefficient of slag stream； μ：It is granulated the feature flow velocity of wind；
L:It is granulated the characteristic length of wind； γ：It is granulated the kinematic viscosity coefficient of wind.
Slag particle particle diameter can be precisely controlled by above-mentioned relation formula, improve the clinker heat exchange efficiency of subsequent handling.
The clinker wind quenching granulation mechanism includes the main burner of the rear side below the blanking end of clinker blanking port 21
221, in addition to two on the symmetrically arranged auxiliary jet 222 of the main burner, the elongated central line of two auxiliary jets with
The elongated central line of the main burner intersects at a point and the point is located on the elongated central line of the clinker blanking port.Main burner
The rear side below clinker blanking port, by controlling the air quantity and wind speed of First air, the particle diameter of grain slag is set to meet life in next step
Production demand；Two auxiliary jets are located at main burner lower end and are symmetrical arranged on main burner, the elongated central line of two auxiliary jets and master
The elongated central line of nozzle intersects at a point and the point is located on the elongated central line of clinker blanking port, by controlling Secondary Air
Air quantity and wind speed, the drop point of grain slag is set to meet the requirement of waste-heat recovery device, while two auxiliary jets relatively can be to blowout
Secondary air flow carries out partial offset, and the central axis of auxiliary jet and the central axis of main burner have angle α, and the angle α is
Grain slag is blowed to slag granulation chamber by 30 °~45 °, preferably 35 °, the Secondary Air that the angle that can avoid setting is blown out when excessive
Cavity wall.
The clinker wind quenching granulation mechanism 22 is provided with the nozzle angle governor motion 25 that can adjust main burner spray wind angle.
It the advantage is that, when main burner and auxiliary jet can not meet granulation demand, can pass through angular adjustment increases the suitable of granulation system
Should be able to power.
The slag hole 26 being vertically arranged is offered on the slag granulation room 20, is provided with and the clinker in the slag hole
The slag dropping tube 27 that blanking port 21 connects, the lower end of the slag dropping tube are located on front side of the top of the main burner 221, the clinker grain
Change and be additionally provided with the clinker accident scum pipe 24 connected with the slag granulation chamber 23, the clinker accident scum pipe and institute on room 20
Blanking port is stated relatively and positioned at the lower section of the slag dropping tube.In view of slag stream, excessive or compressed air catastrophic failure causes suddenly
Slag is not granulated, it is necessary to discharge granulation system in time, is avoided slag damage granulation system or is flowed into heat-exchange system, under slag dropping tube
Side devises accident scum pipe, and the slag not being granulated enters accident scum pipe, safeguards system safety.
The application high temperature exhaust-heat recovery unit contrast prior art when by the way of Water Quenching Slag to slag treatment, have
Following advantage：
1st, save：In prior art smelting process, the heat for having 30% or so molten slag is taken away by washing slag water, Er Qieneng
It is high to measure grade；The application can largely reclaim this portion of energy, can be used for blast funnace hot blast stove preheating, produces steam, adds
Thermal material etc., organic efficiency are more than 70%, and specific efficiency depends on actual demand situation；
2nd, it is environmentally friendly：Former process slag heat is needed by dischargeing air after water cooling, because high temperature sludge and water occur instead
Should, produce outside a large amount of vapours, form the pollutants such as the gas of sulfur dioxide, hydrogen sulfide；The application does not have other media to participate in
Reaction, simply pure heat exchange reaction, will not produce secondary pollution；
3rd, safeguard simple：The application is as much as possible to use static equipment, and the maintenance of static equipment is simple；
4th, it is safe and reliable：The application considers hot conditions, and blast furnace standard is pressed in selection, considers the reserved margins such as temperature change,
Consider to use and use static equipment more, design is optimized by temperature conditionss.
The foregoing is only the preferred embodiment of the application, not be used for limit the application implementation scope, other it is all its
Principle and basic structure are identical or approximate with the present invention, within the protection domain of the application.
Claims (8)
1. clinker wind quenching granulating device, including slag granulation room (20), it is characterised in that：Be provided with the slag granulation room and its
The clinker blanking port (21) communicated, clinker blanking port (21) lower section are provided with the clinker communicated therewith using air-flow granulated slag
Chamber (23) is granulated, the slag granulation chamber side is provided with the clinker wind quenching granulation mechanism (22) communicated therewith.
2. clinker wind quenching granulating device according to claim 1, it is characterised in that：What the clinker blanking port (21) fell
The relative thickness H that the lateral separation of slag stream need to penetrate for granulation wind, after the clinker wind quenching is granulated mechanism (22) granulated slag
The relative thickness H that slag particle footpath D need to penetrate with the granulation wind meets relational expression：Wherein,
K、n：Experiment determines correction factor；
ρ：The density of slag stream；
υ：The feature flow velocity of slag；
l：The characteristic length of slag；
σ：The surface tension coefficient of slag stream；
μ：It is granulated the feature flow velocity of wind；
L：It is granulated the characteristic length of wind；
γ：It is granulated the kinematic viscosity coefficient of wind.
3. clinker wind quenching granulating device according to claim 1, it is characterised in that：The clinker wind quenching granulation mechanism (22)
Include the main burner (221) of the rear side below clinker blanking port (21) the blanking end.
4. clinker wind quenching granulating device according to claim 3, it is characterised in that：The clinker wind quenching granulation mechanism (22)
Also include two on the main burner (221) symmetrically arranged auxiliary jet (222), the elongated central line of two auxiliary jets
Intersected at a point with the elongated central line of the main burner and the point is located on the elongated central line of the clinker blanking port (21).
5. clinker wind quenching granulating device according to claim 4, it is characterised in that：The central axis of the auxiliary jet and master
The central axis of nozzle has angle α, and the angle α is 30 °~45 °.
6. clinker wind quenching granulating device according to claim 1, it is characterised in that：The clinker wind quenching granulation mechanism (22)
The nozzle angle governor motion (223) of the main burner (221) spray wind angle can be adjusted by being provided with.
7. clinker wind quenching granulating device according to claim 1, it is characterised in that：Opened up on the slag granulation room (20)
There is the slag hole being vertically arranged, the slag dropping tube (23) connected with the slag mouth is provided with the slag hole, the slag dropping tube
Lower end is located at the top of the main burner (221).
8. clinker wind quenching granulating device according to claim 7, it is characterised in that：Also set on the slag granulation room (20)
There is the scum pipe (24) connected with the slag granulation chamber (23), the scum pipe (24) and the clinker blanking port (21) are relative
And positioned at the lower section of the slag dropping tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711166907.5A CN107723397A (en) | 2017-11-21 | 2017-11-21 | Clinker wind quenching granulating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711166907.5A CN107723397A (en) | 2017-11-21 | 2017-11-21 | Clinker wind quenching granulating device |
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| CN107723397A true CN107723397A (en) | 2018-02-23 |
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ID=61216563
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| CN201711166907.5A Pending CN107723397A (en) | 2017-11-21 | 2017-11-21 | Clinker wind quenching granulating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895853A (en) * | 2018-07-24 | 2018-11-27 | 陈孝 | A method of improving energy recovery utilization rate |
| CN111850191A (en) * | 2020-08-25 | 2020-10-30 | 山东盛阳工程机械有限公司 | Adjustable high-temperature liquid steel slag granulating device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6319434B1 (en) * | 1998-02-18 | 2001-11-20 | “Holderbank” Financière Glarus AG | Method for granulating and grinding liquid slag and device for realizing the same |
| JP2008045002A (en) * | 2006-08-11 | 2008-02-28 | Aichi Steel Works Ltd | Abrasive, method for manufacturing slag granule and apparatus for manufacturing slag granule |
| CN101665845A (en) * | 2009-09-28 | 2010-03-10 | 清华大学 | Liquid blast furnace slag granulation method and device thereof |
| CN103014201A (en) * | 2013-01-18 | 2013-04-03 | 北京科技大学 | Device and method for gas-solid ejection and granulation of molten blast furnace slags |
| CN103834753A (en) * | 2013-07-10 | 2014-06-04 | 吕勇 | Rapid granulating and curing device for molten slag |
| CN207727098U (en) * | 2017-11-21 | 2018-08-14 | 中山蓝冰节能环保科技有限公司 | Clinker wind quenching granulating device |
-
2017
- 2017-11-21 CN CN201711166907.5A patent/CN107723397A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6319434B1 (en) * | 1998-02-18 | 2001-11-20 | “Holderbank” Financière Glarus AG | Method for granulating and grinding liquid slag and device for realizing the same |
| JP2008045002A (en) * | 2006-08-11 | 2008-02-28 | Aichi Steel Works Ltd | Abrasive, method for manufacturing slag granule and apparatus for manufacturing slag granule |
| CN101665845A (en) * | 2009-09-28 | 2010-03-10 | 清华大学 | Liquid blast furnace slag granulation method and device thereof |
| CN103014201A (en) * | 2013-01-18 | 2013-04-03 | 北京科技大学 | Device and method for gas-solid ejection and granulation of molten blast furnace slags |
| CN103834753A (en) * | 2013-07-10 | 2014-06-04 | 吕勇 | Rapid granulating and curing device for molten slag |
| CN207727098U (en) * | 2017-11-21 | 2018-08-14 | 中山蓝冰节能环保科技有限公司 | Clinker wind quenching granulating device |
Non-Patent Citations (1)
| Title |
|---|
| 郭森魁等: "《余热利用》", vol. 1, 30 June 1998, 云南科技出版社, pages: 277 - 279 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895853A (en) * | 2018-07-24 | 2018-11-27 | 陈孝 | A method of improving energy recovery utilization rate |
| CN108895853B (en) * | 2018-07-24 | 2019-09-24 | 绍兴盈顺机电科技有限公司 | A method of improving energy recovery utilization rate |
| CN111850191A (en) * | 2020-08-25 | 2020-10-30 | 山东盛阳工程机械有限公司 | Adjustable high-temperature liquid steel slag granulating device |
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