CN203754731U - Blast furnace slag dry-process granulating device - Google Patents
Blast furnace slag dry-process granulating device Download PDFInfo
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- CN203754731U CN203754731U CN201420039842.3U CN201420039842U CN203754731U CN 203754731 U CN203754731 U CN 203754731U CN 201420039842 U CN201420039842 U CN 201420039842U CN 203754731 U CN203754731 U CN 203754731U
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- slag
- air
- distribution plate
- wall cooling
- air distribution
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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
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Abstract
The utility model discloses a blast furnace slag dry-process granulating device comprising a water-cooled wall cooling chamber, a slag flow distributer arranged at the top of the water-cooled wall cooling chamber, a high-pressure water system, an air cooling system, a hot air opening and a slag discharge port, wherein the outlet of the slag flow distributor is of a flat linear shape; the outlet direction of spray nozzles of the high-pressure water system faces towards the falling direction of slag flow of the slag flow distributor; the included angle alpha is 45-90 degrees; the air cooling system is arranged at the bottom of the water-cooled wall cooling chamber, and comprises an air distribution plate, directional air caps, an air chamber and a blower; the air distribution plate is arranged aslant; an included angle beta between the air distribution plate and the horizontal direction is 3-30 degrees; more than two directional air caps are arranged alternately; the slag discharge port is formed in the lowest end of the air distribution plate; when more than two spray nozzles are arranged, the spray nozzles are uniformly distributed around the center line of the water-cooled wall cooling chamber as a concentric circle. The blast furnace slag dry-process granulating device disclosed by the utility model combines the advantages of high-speed water jet and wind quenching methods, and can be used for reducing the energy consumption and obtaining high-temperature hot air at the same time; the selective slag discharge of a fluidized bed is beneficial to the smooth discharge of slag particles.
Description
Technical field
The present invention relates to a kind of blast furnace slag non-slurry pelletizing device, belong to industrial waste residue disposal and utilize technical field.
Background technology
Slag is the high temperature producing in burning, metallurgy or chemical process, the trade waste of molten state, as liquid blast furnace slag, slag, copper ashes, phosphorus slag etc., is wherein containing abundant sensible heat resource.Liquid blast furnace is a kind of typical slag, and China's annual blast furnace slag generation number is in hundred million tons, enormous amount.Often adopt at present wet processing.But liquid blast furnace temperature, between 1350 DEG C to 1500 DEG C, has very high heat recovery and is worth.And cooling rear blast furnace slag is a kind of well behaved silicate material, can be used as the raw material of producing material of construction and chemical fertilizer by processing.The blast furnace slag of quenching owing to having little time to form crystallization and form the amorphous substance of a large amount of glassy phases in cooled and solidified process rapidly, has higher hydration activity especially, is the high quality raw material of producing the material of construction such as cement, has the huge market requirement.
The liquid blast furnace dry granulation and the sensible heat recovery method that have occurred at present, more representational have wind quench method and a centrifuging.The wind method of quenching is to produce with high-power granulation blower fan that high velocity air dispels, granulation liquid blast furnace; its main drawback is that power consumption is large, equipment bulky complex, floor space are large, investment and working cost high; in the time of liquid blast furnace fluctuations in discharge; wind speed and air quantity are difficult for coordinating, and a large amount of cold wind enters system and also reduced the quality of waste heat.Centrifuging is to rely on the centrifugal force of rotating disk or the generation of revolving cup high speed rotating by liquid blast furnace slag granulation, although do not need the such highly energy-consuming equipment of granulation blower fan, the size distribution of grain slag is also more even, but at high temperature the reliability of the granulating device of high speed rotating is poor, in addition the temperature of granulation effect liquid towards blast furnace slag and fluctuations in discharge are comparatively responsive, only depend on adjusting rotary speed effect unsatisfactory, thereby there is certain difficulty in maximization, and slag disperses and is also unfavorable for the compact design of equipment at a high speed to surrounding, high-temperature slag is concentrated a certain position of high-speed impact device interior, also easily cause the local superheating of equipment and damage equipment.
Summary of the invention
The purpose of this utility model is in order to solve prior art defect, and a kind of blast furnace slag non-slurry pelletizing device is provided, and reduces energy consumption.
The technical solution adopted in the utility model is:
Blast furnace slag non-slurry pelletizing device, comprises water wall cooling room, slag stream sparger, high pressure water system, quenching system, is located at the hot-air mouth on water wall cooling room top and is located at the slag-drip opening of water wall cooling room bottom; Described slag stream sparger is arranged on water wall cooling room top, and the outlet of slag stream sparger is flat wire; Described high pressure water system comprises nozzle and high-pressure pump, and jet exit is towards slag stream sparger slag stream falling direction, and the angle α that jet exit medullary ray and slag flow down vertical line is 45-90 °; Described quenching system is arranged on water wall cooling room bottom, comprises air distribution plate, is arranged in wind cap, air compartment and the gas blower being connected with air compartment on air distribution plate; Described air distribution plate is for being in tilted layout, and the angle β of air distribution plate and horizontal direction is 3-30o; Described wind cap is more than two, staggered arrangement; Described slag-drip opening is arranged on the least significant end of air distribution plate.
In technique scheme, described nozzle is when more than two, is concentric circles and is evenly arranged around the vertical medullary ray of water wall cooling room, and jet exit direction is facing to slag stream sparger slag stream falling direction.
The utility model compared with prior art has the following advantages: combine the quench advantage of method of high-speed water jet and wind, can obtain again high-temperature hot-air when having reduced energy consumption; The selective deslagging of fluidized-bed is conducive to the smooth discharge of slag particle.
Brief description of the drawings
The schematic diagram of the blast furnace slag non-slurry pelletizing device that Fig. 1 provides for the utility model.
In figure: 1-water wall cooling room; 2-slag stream sparger; 3-high pressure water system; 4-quenching system; 5-hot-air mouth; 6-nozzle; 7-high-pressure pump; 8-air distribution plate; 9-air compartment; 10-gas blower; 11-slag-drip opening; 12-wind cap.
Embodiment
Describe blast furnace slag non-slurry pelletizing device provided by the utility model in detail below in conjunction with accompanying drawing.
As shown in Figure 1, blast furnace slag non-slurry pelletizing device described in the utility model comprises water wall cooling room 1, slag stream sparger 2, high pressure water system 3 and quenching system 4.
Slag stream sparger 2 is arranged on water wall cooling room 1 top, for the blast furnace slag water conservancy diversion of high-temperature liquid state is entered to blast furnace slag non-slurry pelletizing device.2 outlets of slag stream sparger are narrow and small flat wire, and object is to produce banded high temperature sludge stream.High pressure water system 3 comprises high-pressure pump 7 and at least one nozzle 6, for generation of high-pressure water jet.Jet exit direction is facing to the slag stream falling direction of slag stream sparger 2, and the angle α that jet exit medullary ray and slag flow down vertical line is 45-90 °, is conducive to High-Pressure Water and penetrates slag stream, strengthening chilling effect.Nozzle 6 is often more than two, is concentric circles and is evenly arranged around the vertical medullary ray of water wall cooling room 1, and jet exit direction is all towards slag stream sparger 2 slag stream falling directions.
Quenching system 3 is arranged on water wall cooling room 1 bottom, comprises air distribution plate 8, air compartment 9 and the gas blower 10 being connected with air compartment.It is cooling that the cold wind blasting further carries out blast furnace slag by heat-eliminating medium, also carries out heat exchange simultaneously and produce hot blast for heat recuperation.Air distribution plate 8 is for being in tilted layout, and the angle β of air distribution plate and horizontal direction is 3-30o.On air distribution plate, be furnished with wind cap 12, described wind cap 12 is more than two, staggered arrangement.Slag-drip opening 11 is located at water wall cooling room 1 bottom, is arranged in the least significant end of air distribution plate.Under the directed cloth wind effect of wind cap 12, the blast furnace slag after granulation can be tilted to along air distribution plate, collects to slag-drip opening 11.
The hot blast that blast furnace slag non-slurry pelletizing process produces, reclaims heat by being located at after the hot-air mouth 5 on water wall cooling room 1 top enters follow-up further gas solid separation.Blast furnace slag after granulation mainly enters follow-up gathering system by the slag-drip opening 11 that is located at water wall cooling room 1 bottom.
The utility model combines the quench advantage of method of high-speed water jet and wind, can obtain again high-temperature hot-air when having reduced energy consumption; The selective deslagging of fluidized-bed is conducive to the smooth discharge of slag particle.
Claims (2)
1. blast furnace slag non-slurry pelletizing device, is characterized in that: described device comprises water wall cooling room (1), slag stream sparger (2), high pressure water system (3), quenching system (4), be located at the hot-air mouth (5) on water wall cooling room (1) top and be located at the slag-drip opening (11) of water wall cooling room (1) bottom; Described slag stream sparger (2) is arranged on water wall cooling room (1) top, and slag stream sparger (2) outlet is flat wire; Described high pressure water system (3) comprises at least one nozzle (6) and high-pressure pump (7), and jet exit flows sparger (2) slag stream falling direction towards slag, and the angle α that jet exit medullary ray and slag flow down vertical line is 45-90 °; Described quenching system (3) is arranged on water wall cooling room (1) bottom, comprises air distribution plate (8), is arranged in wind cap (12), the air compartment (9) on air distribution plate and the gas blower (10) being connected with air compartment; Described air distribution plate (8) is for being in tilted layout, and the angle β of air distribution plate and horizontal direction is 3-30o; Described wind cap (12) is more than two, staggered arrangement; Described slag-drip opening (11) is arranged on the least significant end of air distribution plate.
2. blast furnace slag non-slurry pelletizing device according to claim 1, it is characterized in that: described nozzle (6) is when more than two, be concentric circles and be evenly arranged around the vertical medullary ray of water wall cooling room (1), jet exit direction is all facing to slag stream sparger (2) slag stream falling direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420039842.3U CN203754731U (en) | 2014-01-22 | 2014-01-22 | Blast furnace slag dry-process granulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420039842.3U CN203754731U (en) | 2014-01-22 | 2014-01-22 | Blast furnace slag dry-process granulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203754731U true CN203754731U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420039842.3U Expired - Fee Related CN203754731U (en) | 2014-01-22 | 2014-01-22 | Blast furnace slag dry-process granulating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203754731U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104388609A (en) * | 2014-11-20 | 2015-03-04 | 清华大学 | System and method for granulating metallurgical slag and recovering thermal energy of metallurgical slag |
| CN104388610A (en) * | 2014-11-20 | 2015-03-04 | 清华大学 | Metallurgical molten slag granulation and heat energy recovery device |
| CN105135422A (en) * | 2015-08-15 | 2015-12-09 | 湖南博茂节能环保科技有限公司 | Mixed-combustion boiler of biomass briquette fuels and tobacco stems, and pollutant control method of mixed-combustion boiler |
| 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 |
| CN106435068A (en) * | 2016-11-29 | 2017-02-22 | 安徽工业大学 | Blast furnace molten slag dry method treatment device based on high-temperature slag waste heat recovery |
| CN106521056A (en) * | 2016-11-29 | 2017-03-22 | 安徽工业大学 | High temperature slag waste heat recovery-based blast furnace molten slag dry processing method |
| CN106939364A (en) * | 2017-05-08 | 2017-07-11 | 安徽工业大学 | It is a kind of to reclaim the blast furnace slag air cushion processing method and processing device of high-quality waste heat |
| CN108624729A (en) * | 2018-07-17 | 2018-10-09 | 中能立化科技有限公司 | A kind of air-distribution device and slag granulating heat-exchange system |
-
2014
- 2014-01-22 CN CN201420039842.3U patent/CN203754731U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104388609A (en) * | 2014-11-20 | 2015-03-04 | 清华大学 | System and method for granulating metallurgical slag and recovering thermal energy of metallurgical slag |
| CN104388610A (en) * | 2014-11-20 | 2015-03-04 | 清华大学 | Metallurgical molten slag granulation and heat energy recovery device |
| CN105135422A (en) * | 2015-08-15 | 2015-12-09 | 湖南博茂节能环保科技有限公司 | Mixed-combustion boiler of biomass briquette fuels and tobacco stems, and pollutant control method of mixed-combustion boiler |
| 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 |
| CN106435068A (en) * | 2016-11-29 | 2017-02-22 | 安徽工业大学 | Blast furnace molten slag dry method treatment device based on high-temperature slag waste heat recovery |
| CN106521056A (en) * | 2016-11-29 | 2017-03-22 | 安徽工业大学 | High temperature slag waste heat recovery-based blast furnace molten slag dry processing method |
| CN106521056B (en) * | 2016-11-29 | 2018-09-25 | 安徽工业大学 | A kind of blast furnace cinder dry processing method based on high temperature sludge waste heat recovery |
| CN106435068B (en) * | 2016-11-29 | 2018-11-06 | 安徽工业大学 | A kind of blast furnace cinder dry processing device based on high temperature sludge waste heat recovery |
| CN106939364A (en) * | 2017-05-08 | 2017-07-11 | 安徽工业大学 | It is a kind of to reclaim the blast furnace slag air cushion processing method and processing device of high-quality waste heat |
| CN108624729A (en) * | 2018-07-17 | 2018-10-09 | 中能立化科技有限公司 | A kind of air-distribution device and slag granulating heat-exchange system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20180122 |