CN206052058U - A kind of granulation system for processing high-temperature liquid state slag - Google Patents
A kind of granulation system for processing high-temperature liquid state slag Download PDFInfo
- Publication number
- CN206052058U CN206052058U CN201621126434.7U CN201621126434U CN206052058U CN 206052058 U CN206052058 U CN 206052058U CN 201621126434 U CN201621126434 U CN 201621126434U CN 206052058 U CN206052058 U CN 206052058U
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- Prior art keywords
- slag
- platform
- liquid state
- temperature liquid
- overflow
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- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Abstract
This utility model provides a kind of granulation system for processing high-temperature liquid state slag, and which is arranged on boiler furnace (8) inside, forms device (2) and granulating device (3) including slag curtain；Slag curtain forms device (2) including overflow platform (21) and outer wall (22), and leaves therebetween flow-guiding channel (23)；High-temperature liquid state slag flows out from flow-guiding channel (23) and forms strip slag curtain；Outer wall (22) upper end is higher than overflow platform (21) upper end；The nozzle (32) that granulating device (3) is communicated including cavity (31) and with cavity (31), nozzle (32) face from flow-guiding channel (23) the slag curtain for flowing out；The fluid that nozzle (32) gushes out is strip, is matched with the strip slag curtain flowed out from flow-guiding channel (23).This utility model is avoided that harmful gass are directly discharged in air, and can guarantee that granulated particles uniformity, enhances granulation effect.
Description
Technical field
This utility model is related to high-temperature liquid state slag treatment field, more particularly to a kind of for processing high-temperature liquid state slag
Granulation system.
Background technology
Substantial amounts of high-temperature liquid state slag can be produced in metallurgy industry during blast furnace ironmaking.These high-temperature liquid state slags need
After carrying out cooling granulated processed, could produce with high added value while the sensible heat of high-temperature liquid state slag is made full use of
Product with building materials performance.
At present, process high-temperature liquid state slag and mainly adopt water quenching and dry granulation method.
Water quenching process mainly has bottom to consider method, Yin Bafa, Tula method, Lhasa method, Ming Tekefa etc., at these methods
Need to consume substantial amounts of water during reason slag, and a large amount of H can be produced in processing procedure2S and SOxDirectly arrange etc. harmful gass
Enter in air, serious pollution is caused to environment.
It is wind quenching method and centrifuging that dry granulation method is more representational.Wind quenching method therein is with high-power pelletize wind
Machine produces high velocity air and dispels, is granulated liquid blast furnace.The power consumption of this wind quenching method is big, equipment bulky complex and floor space
Greatly, investment and operating cost are high, and in liquid blast furnace changes in flow rate, wind speed and air quantity are difficult to coordinate.Centrifuging therein is
By the rotating disk or revolving cup centrifugal force that rotation is produced at a high speed by liquid blast furnace slag granulation, although be granulated out using this centrifuging
The particle diameter distribution of grain slag is more uniform, but the reliability of the granulating device of rotation is poor at a high speed at high temperature, in addition granulation effect
Fruit is more sensitive to the temperature and changes in flow rate of liquid blast furnace, only unsatisfactory by adjusting rotating speed effect.
Utility model content
The purpose of this utility model is the problem for presently, there are, there is provided a kind of grain for processing high-temperature liquid state slag
Change system, the particle diameter distribution of the high-temperature liquid state slag slag stream of Jing this utility model granulation are more uniform, and need not in processing procedure
Substantial amounts of water resource is consumed, the H produced in processing procedure2S and SOxWill not be directly discharged in air etc. harmful gass.
This utility model is achieved through the following technical solutions：
This utility model provides a kind of granulation system for processing high-temperature liquid state slag, and which includes：
Slag curtain forms device and granulating device；
The slag curtain forms device includes overflow platform and outer wall；Leave water conservancy diversion to lead between the both sides of overflow platform and outer wall
Road；High-temperature liquid state slag flows out to form two strip slag curtains from flow-guiding channel；Upper end of the upper end of outer wall higher than overflow platform；
Multiple nozzles that the granulating device is included cavity and communicated with the cavity, multiple nozzles face logical from water conservancy diversion
The slag curtain that road flows out；The fluid that multiple nozzles gush out is strip, is matched with the strip slag curtain flowed out from flow-guiding channel.
It is highly preferred that the granulating device is arranged on the lower section of overflow platform；The nozzle is respectively arranged in strip array
In the both sides of cavity.
It is highly preferred that the granulating device is two, the lower section of left side outer wall and outer right wall is separately positioned on；The spray
Mouth is arranged in cavity near the side of the slag curtain flowed out from flow-guiding channel in strip array.
It is highly preferred that the granulation system also includes：
Granulated particles stream guide；
The granulated particles stream guide includes high pressure positive blower, steam storage chamber, reservoir chamber and air distribution pipeline；High-pressure blast
Machine provides high-pressure blast to air distribution pipeline, air distribution pipeline by the high-pressure blast by the medium from steam storage chamber and/or reservoir chamber from
Media outlet sprays；Air distribution pipeline is arranged in from flow-guiding channel between the slag curtain and the water-cooling wall of boiler furnace for flowing out.
It is highly preferred that the section of the air distribution pipeline is circle, the media outlet form of the air distribution pipeline is slit, little
Hole or nozzle is set on pipe, or by the combination in any of above form.
It is highly preferred that the rectangular cross-section of the air distribution pipeline, the form of the media outlet of the air distribution pipeline is grid
Formula, slit, aperture or the combination in any by above form.
It is highly preferred that the centrally disposed overflow launder of the overflow platform.
It is highly preferred that the vertical cross-section of the overflow platform includes：
Upper mounting plate, lower platform and the middle platform in the middle of the two；Upper mounting plate and lower platform rectangular cross-section, wherein under
The sectional dimension of platform is more than upper mounting plate；The section of middle platform is trapezoidal.
It is highly preferred that a kind of granulation system for processing high-temperature liquid state slag also includes：
Liner plate, liner plate are attached on the upper mounting plate of the overflow platform, and middle recessed are attached on the inside of the overflow launder.
It is highly preferred that the overflow platform is moved reciprocatingly by Motor drive；And/or, the overflow platform is driven by motor
It is dynamic to be vibrated.
This utility model be can be seen that by above-mentioned the technical solution of the utility model to have the following technical effect that：
1st, the granulation system in this utility model is arranged on the inside of boiler furnace, the H produced in processing procedure2S and SOx
Will not be directly discharged in air etc. harmful gass, but be then exhausted from after the process such as back-end ductwork in boiler follow-up process.
2nd, this utility model faces from flow-guiding channel the slag curtain for flowing out by the nozzle of granulating device, and nozzle gushes out
Fluid match with the strip slag curtain flowed out from flow-guiding channel for strip, it is ensured that the uniformity that granulated particles are broken up, accelerate
The cooldown rate of granule after granulation, granulation effect strengthen；
3rd, by flow-guiding channel is left between overflow platform and outer wall, high-temperature liquid state slag is from flow-guiding channel for this utility model
Outflow forms strip slag curtain, space that so can be in effectively utilizes burner hearth, and the overall volume for reducing burner hearth reduces construction land,
It is cost-effective, there is good economic worth.
4th, the structure design of overflow launder of the present utility model, makes slag carry out stream and is buffered；The temperature flowed due to slag
At 1500 DEG C or so, the temperature of granulation system is room temperature, then both have very big thermograde so that slag is contacted just
Bonding is cooled down during granulation system easily, the presence of overflow launder causes slag overflow launder to be carried out during stream enters overflow launder
Preheating, while the radiant heat transfer of slag has been also carried out preheating flow-guiding channel；After slag is full of overflow launder, the high slag of temperature
Flow-guiding channel is overflowed to, and then forms the good slag curtain of epidemic situation comparison, and then enhance granulation effect；
5th, the come and gone operation of overflow platform and/or overcoat or vibration make slag when flowing in the flow-guiding channel it is non-caked
In the two side walls of flow-guiding channel, it is ensured that smooth, the good slag curtain of formation of slag stream, and then enhance granulation effect.
6th, by the setting of aid distributing pipe of the present utility model, the original movement locus of granule after granulation are changed so that rail
Mark integrally offsets downward, and reduces granulated particles and water-cooling wall is washed away, and extends the service life of water-cooling wall.
7th, liner plate when not in use, can be removed and be cleared up by increasing liner plate by this utility model, can cause to extend
The service life of whole overflow platform.
Description of the drawings
Structural representations of the Fig. 1 for this utility model embodiment one；
Fig. 2 is the A-A views in Fig. 1；
Structural representations of the Fig. 3 for the overflow platform in this utility model；
Arrangement form schematic diagrams of the Fig. 4 for the granulating device 3 in this utility model embodiment two；
Structural representations of the Fig. 5 for this utility model embodiment three.
In accompanying drawing：
Slag runner 1, slag curtain form device 2, granulating device 3, liner plate 5, hanger 6, slag-drip opening 7, boiler furnace 8；Overflow platform
21st, outer wall 22；Overflow launder 210, upper mounting plate 211, lower platform 212, middle platform 213；Cavity 31, nozzle 32；Air distribution pipeline 41.
Specific embodiment
In order that those skilled in the art more fully understands the technical scheme of the application, below with reference to accompanying drawing to this reality
It is described in further details with new.
The orientation such as upper and lower, left and right, front and rear in present specification term be based on position relationship shown in the drawings and
Set up.Accompanying drawing is different, then corresponding position relationship is also possible to change therewith, therefore can not be interpreted as to protecting model with this
The restriction enclosed.
In description of the present utility model, it is to be understood that the implication of " multiple " refers to two or more, removes
It is non-separately to have clearly specific restriction.
In this utility model, belong to " installation ", " being connected ", " connecting ", " connection ", " fixation " etc. to be interpreted broadly, example
Such as, can be fixedly connected, or be detachably connected, or be integrally connected, or be mechanically connected, also may be used
To be electrical connection or can be in communication with each other, or be directly connected to, or be indirectly connected with by intermediary, Ke Yishi
The interaction relationship of UNICOM, or two components and parts inside two components and parts.For the ordinary skill people of this area
For member, concrete meaning of the above-mentioned term in this utility model can be understood as the case may be.
Embodiment one：
This utility model provides a kind of granulation system for processing high-temperature liquid state slag, and which is arranged on boiler furnace 8
Inside, top are introduced from the high-temperature liquid state slag slag stream flowed out along slag runner 1, and the slag stream is discharged by main combustion chamber.Through this practicality
Slag little particle after new granulation is discharged eventually through the slag-drip opening 7 of boiler, and the slag little particle of high temperature can be carried out further
Waste heat recovery, the H produced in slag stream granulation2S and SOxEtc. harmful gass in the inside of boiler furnace 8, then by cigarette
It is then exhausted from after the process such as road.A kind of such as Fig. 1-figure of the structure for processing the granulation system of high-temperature liquid state slag of the present utility model
Shown in 3, including：Slag curtain forms device 2, granulating device 3 and granulated particles stream guide.
Slag curtain forms device 2 includes overflow platform 21 and outer wall 22.The outer wall 22 can accommodate the overflow platform 21, and overflow
Flow-guiding channel 23 is left between levelling platform 21 and outer wall 22.The upper end of outer wall 22 higher than overflow platform 21 upper end, with ensure from
During the slag stream that overflow platform 21 overflows can the flow into flow-guiding channel 23 and not outer outside for spilling over outer wall 22.
In order to buffer impact of the slag stream to overflow platform 21, section such as Fig. 3 institutes of above-mentioned overflow platform 21 in the present embodiment
The structure shown, including upper mounting plate 211, lower platform 212 and the middle platform 213 in the middle of the two；Upper mounting plate 211 and lower platform
212 section is rectangle, and the wherein size of lower platform 212 is more than upper mounting plate 211.The section of middle platform 213 is trapezoidal.So
Structure is caused from the first outside along upper mounting plate 211 of slag stream of the spilling of overflow platform 21 downwards, is then impinge upon the oblique of middle platform 213
Face, so that the impulse force of slag stream is buffered, slag flow velocity degree is reduced.
In order to buffer impact of the slag stream to overflow platform 21, in the centrally disposed overflow launder 210 of above-mentioned overflow platform 21, should
The longitudinal cross-section of overflow launder 210 can be part-elliptical, or such as bowl-shape part circular, or rectangle etc. its
Its shape.
Slag stream overflows after full of overflow launder 210 and forms slag curtain along stable outflow of flow-guiding channel 23.In order to avoid slag stream
Flow-guiding channel 23 is blocked because temperature drop cooling is piled up, above-mentioned outer wall 22 can be moved reciprocatingly by Motor drive or be vibrated.
It is above-mentioned to be moved reciprocatingly by Motor drive or be vibrated.The motion of above-mentioned overflow platform 21 is driven by motor drive shaft
The pinion rotation being attached thereto, gear is further driven to engage with the gear on the outside of overflow platform 21, the tooth on the outside of overflow platform 21
Wheel is connected with overflow platform 21, such that it is able to realize the reciprocating motion or vibration of overflow platform 21.Outer wall 22 can be realized in the same manner
Reciprocating motion or vibration.
In order to further dredge flow-guiding channel 23, the direction of motion of above-mentioned overflow platform 21 and the motion side of outer wall 22
To contrary.
Granulating device 3 is arranged on the lower section of overflow platform 21, including cavity 31 and the nozzle 32 communicated with cavity 31, nozzle
32 is multiple, is arranged in strip array on the outside of the two of cavity 31, and nozzle 32 faces from flow-guiding channel 23 slag for flowing out
Curtain.The fluid gushed out from multiple nozzles 32 is strip, is matched with the strip slag curtain flowed out from flow-guiding channel 23.
Above-mentioned granulated particles stream guide includes high pressure positive blower, steam storage chamber, reservoir chamber and aid distributing pipe 41.High-pressure blast
Machine provides high-pressure blast to air distribution pipeline 41, and air distribution pipeline 41 is by the high-pressure blast by Jie from steam storage chamber and/or reservoir chamber
Matter is sprayed from media outlet.Air distribution pipeline 41 is in the water-cooling wall for being arranged in from flow-guiding channel 23 the slag curtain and boiler furnace 8 for flowing out
Between.Air distribution pipeline 41 can be multiple rows of, and often row can be with linear arrangement, it is also possible to which parabolically shape is arranged.The aid distributing pipe
The section in road 41 can be circular or rectangle, if the section of air distribution pipeline 41 is rectangle, the media outlet of air distribution pipeline 41
Form is grating type, slit, aperture or the combination in any by above form；If the section of air distribution pipeline 41 is circle, match somebody with somebody
The media outlet of wind pipeline 41 can be slit, aperture or the nozzle that multi-form is arranged on pipe, or by above shape
The combination in any of formula.The airduct air-out direction of air distribution pipeline 41 is adjustable with the angle theta of horizontal direction, and scope is 0 °<θ<90°.Match somebody with somebody
The medium sprayed in wind pipeline 41 is air, steam, any mixture of both or three in water, or three.
The operation principle of embodiment one：
High-temperature slag slag stream flows directly into overflow launder 210 by slag runner 1, and high-temperature slag slag stream has after flowing into overflow launder 210
One cushioning effect, after overflow launder 210 is full of by slag can be flowed to guide platform 21 along guide platform 21 and be formed with outer wall 22
Flow-guiding channel 23, now high temperature molten slag slag stream will be granulated the high-pressure medium injection that device 3 formed, be broken into particle diameter very little
Granule, the performance of slag particles is fully able to the requirement for meeting building material performance.Because high-temperature slag slag stream be granulated with
After do level throw motion, so understand some granulation after slag little particle get on furnace wall water-cooling wall, in order to avoid slag it is little
Granule is got on furnace wall water-cooling wall, forms the annular aid distributing pipe 41 of arrangement between device 2 and furnace wall water-cooling wall in slag curtain.After granulation
Slag little particle is discharged eventually through the slag-drip opening 7 of boiler, and the slag little particle of high temperature can carry out further waste heat recovery.
Embodiment two：
Difference between this utility model embodiment two and embodiment one is that the granulating device 3 of above-described embodiment one sets
Put in the lower section of overflow platform 21, and this granulating device 3 of 3 embodiment two of granulating device in this utility model embodiment two
Arrangement form as shown in figure 4, granulating device 3 be two, be separately positioned on left side outer wall 22 and outer right wall 22 lower section；Often
Individual granulating device 3 includes cross section for rectangular cavity 31 and multiple nozzles 32, and multiple nozzles 3 are arranged in chamber in strip array
Body 31 is near the side of the slag curtain flowed out from flow-guiding channel 23.This arrangement of granulating device 3, enables to nozzle 32 and sprays
The medium for going out is sprayed towards the center of boiler, and the strip slag curtain for so flowing out from flow-guiding channel 23 can be drawn close in boiler after being granulated
Simultaneously discharge to the slag-drip opening 7 down to boiler heart position.
Embodiment three：
The structure of embodiment three is as shown in figure 5, which increased lining on the basis of above-described embodiment one or embodiment two
Plate 5, the liner plate 5 are attached on the upper mounting plate of the overflow platform 21, and middle recessed are attached on the inside of the overflow launder 210.Lining
Plate 5 is effectively protected overflow platform 21, when requiring replacement, only liner plate 5 need to be proposed and be replaced.So as to effectively prolong
The service life of overflow platform 21 is grown.
Above-described embodiment includes upper mounting plate 211, lower platform 212 with overflow platform 21 and puts down in the two centre
Illustrate as a example by platform 213, but this utility model is not limited thereto, the cross section structure of the overflow platform 21 can also be only
For trapezium structure, or it is only the group of rectangular column shape structure, or a trapezium structure and a rectangular configuration
Close, or other shapes of structure.
Outer wall 22 or overflow platform 21 in above-described embodiment can not also move reciprocatingly or vibrate.
Hanger 6 can be set on above-mentioned outer wall 22 or overflow platform 21, and the hanger 6 can be caught on by lifting device will
Its taking-up.
Although this utility model is disclosed as above with preferred embodiment, embodiment is not for limiting this utility model
's.In the spirit and scope without departing from this utility model, any equivalence changes done or retouching also belong to this practicality new
The protection domain of type.Therefore the content that protection domain of the present utility model should be defined with claims hereof is as mark
It is accurate.
Claims (10)
1. a kind of granulation system for processing high-temperature liquid state slag, it is characterised in that the granulation system is arranged on Boiler Furnace
The inside of thorax (8), which includes：
Slag curtain forms device (2) and granulating device (3)；
The slag curtain forms device (2) including overflow platform (21) and outer wall (22)；The both sides of overflow platform (21) and outer wall
(22) flow-guiding channel (23) is left between；High-temperature liquid state slag flows out from flow-guiding channel (23) and forms two strip slag curtains；Outer wall
(22) upper end of the upper end higher than overflow platform (21)；
Multiple nozzles (32) that the granulating device (3) is communicated including cavity (31) and with the cavity (31), multiple nozzles
(32) the slag curtain for flowing out is faced from flow-guiding channel (23)；The fluid that multiple nozzles (32) are gushed out is strip, logical with from water conservancy diversion
The strip slag curtain that road (23) flows out matches.
2. a kind of granulation system for processing high-temperature liquid state slag according to claim 1, it is characterised in that the grain
The lower section that (3) are arranged on overflow platform (21) is put in makeup；The nozzle (32) is arranged in cavity (31) in strip array
Both sides.
3. a kind of granulation system for processing high-temperature liquid state slag according to claim 1, it is characterised in that the grain
Makeup puts (3) for two, is separately positioned on the lower section of left side outer wall (22) and outer right wall (22)；The nozzle (32) is in strip
Array is arranged in cavity (31) near the side of the slag curtain flowed out from flow-guiding channel (23).
4. a kind of granulation system for processing high-temperature liquid state slag according to Claims 2 or 3, it is characterised in that institute
Stating granulation system also includes：
Granulated particles stream guide；
The granulated particles stream guide includes high pressure positive blower, steam storage chamber, reservoir chamber and air distribution pipeline (41)；High-pressure blast
Machine provides high-pressure blast to air distribution pipeline (41), and air distribution pipeline (41) will be from steam storage chamber and/or reservoir chamber by the high-pressure blast
Medium from media outlet spray；Air distribution pipeline (41) is arranged in from flow-guiding channel (23) the slag curtain and boiler furnace (8) for flowing out
Water-cooling wall between.
5. a kind of granulation system for processing high-temperature liquid state slag according to claim 4, it is characterised in that described to match somebody with somebody
The section of wind pipeline (41) is circle, and the media outlet form of the air distribution pipeline (41) is for slit, aperture or on pipe
Nozzle is set, or by the combination in any of above form.
6. a kind of granulation system for processing high-temperature liquid state slag according to claim 4, it is characterised in that described to match somebody with somebody
The rectangular cross-section of wind pipeline (41), the form of the media outlet of the air distribution pipeline (41) be grating type, slit, aperture or
It is by the combination in any of above form.
7. a kind of granulation system for processing high-temperature liquid state slag according to claim 4, it is characterised in that described to overflow
The centrally disposed overflow launder (210) of levelling platform (21).
8. a kind of granulation system for processing high-temperature liquid state slag according to claim 7, it is characterised in that described to overflow
The vertical cross-section of levelling platform (21) includes：
Upper mounting plate (211), lower platform (212) and the middle platform (213) in the middle of the two；Upper mounting plate (211) and lower platform
(212) sectional dimension of rectangular cross-section, wherein lower platform (212) is more than upper mounting plate (211)；The section of middle platform (213) is
It is trapezoidal.
9. a kind of granulation system for processing high-temperature liquid state slag according to claim 8, it is characterised in that Yi Zhongyong
Also include in the granulation system for processing high-temperature liquid state slag：
Liner plate (5), liner plate (5) are attached on the upper mounting plate of the overflow platform (21), and middle recessed are attached to the overflow launder
(210) on the inside of.
10. a kind of granulation system for processing high-temperature liquid state slag according to claim 9, it is characterised in that described
Overflow platform (21) is moved reciprocatingly by Motor drive；And/or, the overflow platform (21) is vibrated by Motor drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621126434.7U CN206052058U (en) | 2016-10-14 | 2016-10-14 | A kind of granulation system for processing high-temperature liquid state slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621126434.7U CN206052058U (en) | 2016-10-14 | 2016-10-14 | A kind of granulation system for processing high-temperature liquid state slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206052058U true CN206052058U (en) | 2017-03-29 |
Family
ID=58363989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621126434.7U Withdrawn - After Issue CN206052058U (en) | 2016-10-14 | 2016-10-14 | A kind of granulation system for processing high-temperature liquid state slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206052058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106381353A (en) * | 2016-10-14 | 2017-02-08 | 北京立化科技有限公司 | Pelletizing system for processing high-temperature liquid-state slag |
-
2016
- 2016-10-14 CN CN201621126434.7U patent/CN206052058U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106381353A (en) * | 2016-10-14 | 2017-02-08 | 北京立化科技有限公司 | Pelletizing system for processing high-temperature liquid-state slag |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20180122 |