CN103757159A - Novel high-temperature molten slag granulating device - Google Patents
Novel high-temperature molten slag granulating device Download PDFInfo
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- CN103757159A CN103757159A CN201310748847.3A CN201310748847A CN103757159A CN 103757159 A CN103757159 A CN 103757159A CN 201310748847 A CN201310748847 A CN 201310748847A CN 103757159 A CN103757159 A CN 103757159A
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- China
- Prior art keywords
- pipeline
- gas
- melt cinder
- nozzle
- slag
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Links
- 239000002893 slag Substances 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 239000000428 dust Substances 0.000 claims abstract description 9
- 239000003818 cinder Substances 0.000 claims description 39
- 239000007921 spray Substances 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 abstract description 12
- 238000005469 granulation Methods 0.000 abstract description 10
- 230000003179 granulation Effects 0.000 abstract description 10
- 239000000779 smoke Substances 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Curing Cements, Concrete, And Artificial Stone (AREA)
- Furnace Details (AREA)
- Manufacture Of Iron (AREA)
Abstract
The invention discloses a novel high-temperature molten slag granulating device. According to the device, water cooling walls are arranged on the inner wall and the inclined bottom; a high-pressure water flow pipe and a gas-liquid mixing pipeline are respectively arranged on the left lower part and the right upper part of the device; an air conveying pipe is arranged on the right lower part and a slag discharging opening is below the right lower part; a gas outlet is formed in the left upper part of the device and is provided with four mutually-crossed dust baffling plates; a three-way pipe is composed of a liquid slag pipeline, a high-speed airflow pipeline and the gas-liquid mixing pipeline; a liquid dreg cabin is connected with the upper part of the liquid slag pipeline. According to the device, high-temperature liquid slag and high-pressure water are atomized to form a convection mutual heat exchanger manner; the high-temperature liquid slag is cooled by air cooling, water cooling and a water cooling wall; the cooling effect is good and the absorption of sensible heat is sufficient; the granulation degree is high and the residual heat utilization can be carried out after high-temperature smoke is purified; energy sources are saved and the atmospheric pollution is reduced.
Description
Technical field
The invention belongs to granulation field, particularly a kind of high temperature molten slag granulating device.
Background technology
In recent years, due to the utilizability of high temperature furnace slag, not only recyclable high temperature furnace slag waste heat, also can utilize the waste material of high temperature furnace slag.In the prior art, Iron And Steel Industry waste residue a kind of to recycle method be using further fine grinding and as the raw material of Cement industry after slag granulation.It is also the domestic main method of utilizing blast-furnace slag.It not only plays an important role to environment protection, can also produce very significant technical economic benefit.
Domestic main blast-furnace slag granulated processed method is grain slag facture at present, that is stokehold water quenching.Their main technological features is that in flowing to high-temperature slag when tap cinder, inject high pressure water makes slag chilling, thereby obtains grain slag.There is following problem in Water Quenching method: consumes a large amount of new water resourcess; The waste heat of slag cannot reclaim; Element in slag enters water vapour and produces S0
2and H
2s etc. bring atmospheric pollution.Therefore can adopt dry method cooling, when dry method is cooling, need granulation, be convenient to the abundant recovery of its cooling and waste heat in fluidized-bed.Conventionally the melt cinder pelletizer adopting has a kind of wind granulation; be that air blast operation machine is set under slag storehouse; the high-speed air flow that melt cinder blows out with gas blower when slag storehouse end flows out contacts; and rapid granulation, being blown to afterwards on water wall, melt cinder condenses into solid-state in operational process from liquid state; this wind granulation can be utilized the sensible heat of slag; but the cooling performance of high temperature melt cinder is bad, also have a lot of sensible heats fully not absorb, and traditional wind granulation degree is not high.
Summary of the invention
The technical problem solving:
Tradition water quenching can not make full use of the sensible heat of liquid slag, and the broken degree of traditional wind is not high, and cooling performance is bad, and sensible heat absorbs insufficient.
Technical scheme:
For addressing the above problem, the present invention includes melt cinder storehouse, melt cinder pipeline, high velocity air pipeline, gas-liquid mixed pipeline, gas-liquid compression pipe, high pressure melt cinder nozzle, blast tube, slag-drip opening, water wall, air outlet, the grid of slagging tap, also comprise blast tube nozzle, High-Pressure Water pipe, current compressed pipe, hydraulic spray, dust board, water outlet grid, airduct nozzle aperture, wherein install inwall and tilting bottom is furnished with water wall, High-Pressure Water pipe, gas-liquid mixed pipeline is placed in respectively lower left quarter and the upper right quarter of device, right lower quadrant and below that blast tube is placed in device are provided with slag-drip opening, air outlet is placed in the upper left quarter of device and is provided with four cross one another dust boards, melt cinder pipeline, high velocity air pipeline and gas-liquid mixed pipeline form Y-tube, melt cinder conduit upper is connected with melt cinder storehouse.
Described High-Pressure Water pipe is connected with hydraulic spray by current compressed pipe, and hydraulic spray outlet is provided with water outlet grid.
Described gas-liquid mixed device for cleaning pipeline is crossed gas-liquid compression pipe and is connected with high pressure melt cinder nozzle, and high pressure melt cinder jet exit is provided with the grid of slagging tap.
Described blast tube is connected to blast tube nozzle, and blast tube nozzle exit is evenly densely covered with airduct nozzle aperture.
Beneficial effect:
1, the present invention utilizes air-cooled, water-cooled and water wall associating cooling down high-temperature melt cinder, good cooling results, and sensible heat absorbs fully;
2, granulation degree of the present invention is high, after high-temperature flue gas purification, can carry out UTILIZATION OF VESIDUAL HEAT IN, and save energy has reduced topsoil simultaneously.
Accompanying drawing explanation:
Accompanying drawing 1 is one-piece construction schematic diagram of the present invention;
Accompanying drawing 2 is hydraulic spray 13 structure iron of the present invention;
Accompanying drawing 3 is blast tube nozzle 7 structure iron of the present invention;
Accompanying drawing 4 is high pressure melt cinder nozzle of the present invention 6 structure iron;
1. 2. melt cinder pipeline 3. high velocity air pipeline 4. gas-liquid mixed pipeline 5. gas-liquid compression pipe 6. high pressure melt cinder nozzle 7. blast tube nozzle 8. blast tube 9. slag-drip opening 10. water wall 11. High-Pressure Water pipe 12. current compressed pipe 13. hydraulic spray 14. dust board 15. air outlets 16., the melt cinder storehouse grid 17. water outlet grid 18. airduct nozzle apertures of slagging tap.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
A kind of new type high temperature molten slag granulating device, comprise melt cinder storehouse 1, melt cinder pipeline 2, high velocity air pipeline 3, gas-liquid mixed pipeline 4, gas-liquid compression pipe 5, high pressure melt cinder nozzle 6, blast tube nozzle 7, blast tube 8, slag-drip opening 9, water wall 10, High-Pressure Water pipe 11, current compressed pipe 12, hydraulic spray 13, dust board 14, air outlet 15, the grid 16 of slagging tap, water outlet grid 17, airduct nozzle aperture 18, wherein install inwall and tilting bottom and be furnished with water wall 10, High-Pressure Water pipe 11, gas-liquid mixed pipeline 4 is placed in respectively lower left quarter and the upper right quarter of device, right lower quadrant and below that blast tube 8 is placed in device are provided with slag-drip opening 9, air outlet 15 is placed in the upper left quarter of device and is provided with four cross one another dust boards 14, melt cinder pipeline 2, high velocity air pipeline 3 forms Y-tube with gas-liquid mixed pipeline 4, melt cinder pipeline 2 tops are connected with melt cinder storehouse 1.High-Pressure Water pipe 11 is connected with hydraulic spray 13 by current compressed pipe 12, and hydraulic spray 13 outlets are provided with water outlet grid 17.Gas-liquid mixed pipeline 4 is connected with high pressure melt cinder nozzle 6 by gas-liquid compression pipe 5, and high pressure melt cinder jet exit is provided with the grid 16 of slagging tap.
During device work, high-temperature liquid state slag flows into melt cinder storehouse 1, through melt cinder pipeline 2, flow into gas-liquid mixed pipeline 4, high pressure gas also enter gas-liquid mixed pipeline 4 through high velocity air pipeline 3 simultaneously, liquid slag and high-speed gas are fully mixed, by gas-liquid compression pipe 5, compress pressure and become large, then shrink and the grid 16 of slagging tap is pulverized through high pressure melt cinder nozzle 6, instantaneous explosion is vaporific small-particle; From High-Pressure Water pipe 11, flow into high pressure water simultaneously, through current compressed pipe 12, compressing pressure increases, by hydraulic spray 13 contractions and water outlet grid 17, pulverize moment atomization again, form convection current with vaporific high temperature melt cinder, carry out heat exchange, water smoke is vaporization rapidly at high temperature, and the little melt cinder sensible heat of high temperature is absorbed temperature and declines rapidly; Simultaneously, cold wind enters blast tube 8 again, by the airduct nozzle aperture 18 at blast tube nozzle 7 places, evenly sprays, and absorbs the short grained heat of warm sludge, and the slag particle after granulation drops on water wall 10, and heat is absorbed again, finally from slag-drip opening 9, discharges; The high-temperature smoke producing rises, and first by dust board 14 dedustings, then discharges from air outlet 15, finally carries out UTILIZATION OF VESIDUAL HEAT IN.
Claims (4)
1. a new type high temperature molten slag granulating device, comprises melt cinder storehouse (1), melt cinder pipeline (2), high velocity air pipeline (3), gas-liquid mixed pipeline (4), gas-liquid compression pipe (5), high pressure melt cinder nozzle (6), blast tube (8), slag-drip opening (9), water wall (10), air outlet (15), the grid (16) of slagging tap, its feature also comprises blast tube nozzle (7), High-Pressure Water pipe (11), current compressed pipe (12), hydraulic spray (13), dust board (14), water outlet grid (17), airduct nozzle aperture (18), device inwall and tilting bottom are furnished with water wall (10), High-Pressure Water pipe (11), gas-liquid mixed pipeline (4) is placed in respectively lower left quarter and the upper right quarter of device, right lower quadrant and below that blast tube (8) is placed in device are provided with slag-drip opening (9), air outlet (15) is placed in the upper left quarter of device and is provided with four cross one another dust boards (14), melt cinder pipeline (2), high velocity air pipeline (3) forms Y-tube with gas-liquid mixed pipeline (4), and melt cinder pipeline (2) top is connected with melt cinder storehouse (1).
2. a kind of new type high temperature molten slag granulating device according to claim 1, is characterized in that High-Pressure Water pipe (11) is connected with hydraulic spray (13) by current compressed pipe (12), and hydraulic spray (13) outlet is provided with water outlet grid (17).
3. a kind of new type high temperature molten slag granulating device according to claim 1, is characterized in that gas-liquid mixed pipeline (4) is connected with high pressure melt cinder nozzle (6) by gas-liquid compression pipe (5), and high pressure melt cinder nozzle (6) outlet is provided with the grid of slagging tap (16).
4. a kind of new type high temperature molten slag granulating device according to claim 1, is characterized in that blast tube (8) is connected to blast tube nozzle (7), and blast tube nozzle (7) exit is evenly densely covered with airduct nozzle aperture (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310748847.3A CN103757159A (en) | 2013-12-31 | 2013-12-31 | Novel high-temperature molten slag granulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310748847.3A CN103757159A (en) | 2013-12-31 | 2013-12-31 | Novel high-temperature molten slag granulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103757159A true CN103757159A (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310748847.3A Pending CN103757159A (en) | 2013-12-31 | 2013-12-31 | Novel high-temperature molten slag granulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103757159A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306946A (en) * | 2020-04-12 | 2020-06-19 | 上海镐渭工业技术有限公司 | Ultra-temperature catalyst heat sink |
| CN111721135A (en) * | 2020-06-16 | 2020-09-29 | 昆明理工大学 | A device and method for recovering waste heat from cooling and granulation of high-temperature molten yellow phosphorus slag |
| CN113699287A (en) * | 2021-09-02 | 2021-11-26 | 南京华电节能环保股份有限公司 | Blast furnace slag dry processing device based on high-temperature slag waste heat recovery |
| CN114278943A (en) * | 2021-09-08 | 2022-04-05 | 重庆大学 | A slag removal system for a hazardous waste melting furnace |
-
2013
- 2013-12-31 CN CN201310748847.3A patent/CN103757159A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306946A (en) * | 2020-04-12 | 2020-06-19 | 上海镐渭工业技术有限公司 | Ultra-temperature catalyst heat sink |
| CN111721135A (en) * | 2020-06-16 | 2020-09-29 | 昆明理工大学 | A device and method for recovering waste heat from cooling and granulation of high-temperature molten yellow phosphorus slag |
| CN113699287A (en) * | 2021-09-02 | 2021-11-26 | 南京华电节能环保股份有限公司 | Blast furnace slag dry processing device based on high-temperature slag waste heat recovery |
| CN114278943A (en) * | 2021-09-08 | 2022-04-05 | 重庆大学 | A slag removal system for a hazardous waste melting furnace |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140430 |