CN209054959U - A kind of novel pre-heater system applied to spodumene roasting technique - Google Patents
A kind of novel pre-heater system applied to spodumene roasting technique Download PDFInfo
- Publication number
- CN209054959U CN209054959U CN201821228826.3U CN201821228826U CN209054959U CN 209054959 U CN209054959 U CN 209054959U CN 201821228826 U CN201821228826 U CN 201821228826U CN 209054959 U CN209054959 U CN 209054959U
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- Prior art keywords
- plane
- bed
- furnace
- fluid bed
- air valve
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- CNLWCVNCHLKFHK-UHFFFAOYSA-N aluminum;lithium;dioxido(oxo)silane Chemical compound [Li+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O CNLWCVNCHLKFHK-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052642 spodumene Inorganic materials 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims description 10
- 239000011449 brick Substances 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 6
- 238000005453 pelletization Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000001354 calcination Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Furnace Details (AREA)
Abstract
The utility model discloses a kind of novel pre-heater systems applied to spodumene roasting technique, including cyclone cylinder, inclined-plane fluid bed furnace;The cyclone cylinder includes cyclone and airlock;The inclined-plane fluid bed furnace includes furnace body and inclined-plane fluidized bed, the furnace body is vertical furnace, the inclined-plane fluidized bed includes the upper layer inclined-plane sliding bed being distributed up and down and lower layer inclined-plane sliding bed, every layer of inclined-plane sliding bed is provided with air valve and material-pulling device, the material-pulling device setting slides bed upper end on inclined-plane, and air valve setting slides bed lower end on inclined-plane;Air inlet is arranged in inclined-plane fluid bed furnace lower end, connects kiln tail smoke-box, and gas outlet is arranged in upper end, connects cyclone cylinder.Novel pre-heater system provided by the utility model has many advantages, such as that occupied area is few, inner structural members are few, equipment is simple, preheating heat is high-efficient;Hot dust outer circulation can be effectively reduced, improves preheater hot recovery efficiency, while reducing subsequent dust pelletizing system load.
Description
Technical field
It is the utility model relates to a kind of pre-heating system, in particular to a kind of applied to the novel pre- of spodumene roasting technique
Hot device system.
Background technique
Currently, spodumene roasting technique mainly uses three-level whirlwind cylinder pre-heating, rotary kiln, grate-cooler combined application,
Or two kinds of rotary kiln, grate-cooler combined application process flows.Three-level whirlwind cylinder pre-heating system, spodumene raw material are revolved from the first order
The feeding of air duct feed inlet is collected, through feeder pipe, kiln tail smoke-box after the preheating of three-level cyclone cylinder through third level cyclone cylinder
Blanking tongue feeding rotary kiln is calcined;The technology is high to material particles Particle size requirements, and there are low separation efficiencies, heat exchange efficiency
Low, the defects of voltage loss is big.Another technique be spodumene raw material be fed directly into rotary kiln dried, preheated, turn
Type roasting, the technology there are low output, efficiency of heating- utilization is low, system heat consumption is high the defects of.
Utility model content
Purpose: in order to overcome the deficiencies in the prior art, the utility model provides a kind of applied to spodumene roasting
The novel pre-heater system of technique.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the utility model is:
A kind of novel pre-heater system applied to spodumene roasting technique, including cyclone cylinder, inclined-plane fluid bed furnace;It is described
Cyclone cylinder includes cyclone and airlock;The inclined-plane fluid bed furnace includes furnace body and inclined-plane fluidized bed, and the furnace body is vertical
Formula furnace body, the inclined-plane fluidized bed include two layers of inclined-plane sliding bed being distributed up and down, are upper layer inclined-plane sliding bed and lower layer respectively
Inclined-plane slides bed, and every layer of inclined-plane sliding bed is provided with air valve and material-pulling device, and the material-pulling device setting is slided on inclined-plane
Bed upper end, air valve setting slide bed lower end on inclined-plane;Air inlet is arranged in inclined-plane fluid bed furnace lower end, connects kiln tail cigarette
Gas outlet is arranged in room, inclined-plane fluid bed furnace upper end, connects cyclone cylinder.
Preferably, the airlock includes the second air valve and feeder pipe, the feeder pipe be connected to the second air valve and
Inclined-plane fluid bed furnace.
Preferably, the feeder pipe is connected to the connecting interface of inclined-plane fluid bed furnace with lower layer inclined-plane sliding bed feeding inlet.
Preferably, the material-pulling device includes the hydraulic cylinder of stick pusher and control stick pusher stretching motion.
Preferably, the inboard wall of furnace body of the air valve and inclined-plane fluid bed furnace that are arranged on the inclined-plane sliding bed is connected by arched girder
It connects, the arched girder is formed using fire resisting brick masonry.
Preferably, the upper end of the inclined-plane fluid bed furnace sets feed inlet, and the feed inlet connects dispersion device;The inclined-plane stream
The lower end for changing pool furnace sets out material mouth, and the discharge port connects rotary kiln.
The utility model has the advantages that novel pre-heater system provided by the utility model, have occupied area is few, inner structural members are few,
The advantages that equipment is simple, preheating heat is high-efficient.The high-temp waste gas that the pre-heating system is generated using dry-process rotory kiln calcining is to original
Material is dried, is preheated, to reduce the thermic load of rotary kiln and improve the utilization efficiency of waste heat.Inclined-plane fluid bed furnace uses two
Sliding bed in layer inclined-plane is as heat exchange bed, and for material in transverse shifting on inclined-plane bed, hot fume is upward through material from material bottom
Layer, forms cross-flow heat exchange, and heat exchange efficiency is higher than fair current;Cavity is interior for gas-solid countercurrent heat exchange, heat exchange efficiency up and down for inclined-plane bed
Higher than fair current;Enter the spodumene material temperature of rotary kiln up to 300 DEG C or more after preheater drying preheating;Preheater
Cyclone cylinder uses newest double isolation technics, and dust separation efficiency is greater than 96%, and resistance is lower than the first of three-level whirlwind cylinder pre-heating
Grade cyclone cylinder, effectively reduces hot dust outer circulation, improves preheater hot recovery efficiency, while reducing subsequent dust pelletizing system load.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
As shown in Figure 1, a kind of novel pre-heater system applied to spodumene roasting technique, including cyclone cylinder 2, inclined-plane stream
Change pool furnace 1.
The inclined-plane fluid bed furnace 1 includes furnace body 11 and inclined-plane fluidized bed, and the furnace body 11 is vertical furnace, the inclined-plane
Fluidized bed includes two layers of inclined-plane sliding bed being distributed up and down, is that upper layer inclined-plane sliding bed 12 and lower layer inclined-plane slide bed 13 respectively,
Every layer of inclined-plane sliding bed is provided with air valve and material-pulling device, and the material-pulling device setting slides bed upper end on inclined-plane, locks wind
Valve setting slides bed lower end on inclined-plane.The air valve and material-pulling device can be set multiple.
The material-pulling device includes the hydraulic cylinder of stick pusher and control stick pusher stretching motion.It is set on the inclined-plane sliding bed
The air valve set is connect with the inboard wall of furnace body of inclined-plane fluid bed furnace by arched girder, and the arched girder is formed using fire resisting brick masonry.Institute
It states stick pusher to move under the driving of hydraulic cylinder along inclined-plane sliding bed surface, the material after pushing preheating enters by air valve
Next layer of inclined-plane slides bed, then is forced through air valve by material-pulling device and enters rotary kiln.
The cyclone cylinder 2 includes cyclone 21 and airlock, and the airlock includes the second air valve 22 and blanking
Pipe 23, the feeder pipe 23 are connected to the second air valve 22 and inclined-plane fluid bed furnace 1.The feeder pipe 23 and inclined-plane fluid bed furnace 1
Connecting interface and lower layer inclined-plane sliding 13 feeding inlet of bed be connected to.The second air valve and inclined-plane slide the lock wind being arranged on bed herein
Valve is identical equipment, describes for aspect, the air valve being arranged in cyclone cylinder is named as the second air valve.
Air inlet 14 is arranged in 1 lower end of inclined-plane fluid bed furnace, connects kiln tail smoke-box 3;Discharge port 15, connection revolution are set
Kiln.
Gas outlet 16 is arranged in inclined-plane fluid bed furnace upper end, connects the cyclone of cyclone cylinder 2;Feed inlet 17 is set, even
Connect dispersion device 4.
The high-temp waste gas of kiln tail smoke-box discharge is sent after inclined-plane fluid bed furnace sufficiently exchanges heat with material in furnace from below to up
Enter the cyclone of cyclone cylinder, is mingled with spodumene dust particles in exhaust gas at this time;After cyclone centrifugation, spodumene powder
Dirt particle is directly entered lower layer inclined-plane sliding bed by the second air valve and feeder pipe, subsequently into rotary kiln baking.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of novel pre-heater system applied to spodumene roasting technique, it is characterised in that: fluidized including cyclone cylinder, inclined-plane
Pool furnace;The cyclone cylinder includes cyclone and airlock;The inclined-plane fluid bed furnace includes furnace body and inclined-plane fluidized bed, described
Furnace body is vertical furnace, and it is the sliding of upper layer inclined-plane respectively that the inclined-plane fluidized bed, which includes two layers of inclined-plane sliding bed being distributed up and down,
Bed and lower layer inclined-plane slide bed, and every layer of inclined-plane sliding bed is provided with air valve and material-pulling device, and the material-pulling device setting exists
Inclined-plane slides bed upper end, and air valve setting slides bed lower end on inclined-plane;Air inlet, connection is arranged in inclined-plane fluid bed furnace lower end
Gas outlet is arranged in kiln tail smoke-box, inclined-plane fluid bed furnace upper end, connects cyclone cylinder.
2. the novel pre-heater system according to claim 1 applied to spodumene roasting technique, it is characterised in that: described
Airlock includes the second air valve and feeder pipe, and the feeder pipe is connected to the second air valve and inclined-plane fluid bed furnace.
3. the novel pre-heater system according to claim 2 applied to spodumene roasting technique, it is characterised in that: described
Feeder pipe is connected to the connecting interface of inclined-plane fluid bed furnace with lower layer inclined-plane sliding bed feeding inlet.
4. the novel pre-heater system according to claim 1 applied to spodumene roasting technique, it is characterised in that: described
Material-pulling device includes the hydraulic cylinder of stick pusher and control stick pusher stretching motion.
5. the novel pre-heater system according to claim 1 applied to spodumene roasting technique, it is characterised in that: described
The air valve being arranged on inclined-plane sliding bed is connect with the inboard wall of furnace body of inclined-plane fluid bed furnace by arched girder, and the arched girder uses fire resisting
Brick masonry is formed.
6. the novel pre-heater system according to claim 1 applied to spodumene roasting technique, it is characterised in that: described
The upper end of inclined-plane fluid bed furnace sets feed inlet, and the feed inlet connects dispersion device;The lower end of the inclined-plane fluid bed furnace sets out material
Mouthful, the discharge port connects rotary kiln.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821228826.3U CN209054959U (en) | 2018-08-01 | 2018-08-01 | A kind of novel pre-heater system applied to spodumene roasting technique |
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CN201821228826.3U CN209054959U (en) | 2018-08-01 | 2018-08-01 | A kind of novel pre-heater system applied to spodumene roasting technique |
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CN209054959U true CN209054959U (en) | 2019-07-02 |
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CN201821228826.3U Expired - Fee Related CN209054959U (en) | 2018-08-01 | 2018-08-01 | A kind of novel pre-heater system applied to spodumene roasting technique |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113669741A (en) * | 2020-05-13 | 2021-11-19 | 佛山市华洁源热能与环境工程技术有限公司 | Sludge pyrolysis device |
-
2018
- 2018-08-01 CN CN201821228826.3U patent/CN209054959U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113669741A (en) * | 2020-05-13 | 2021-11-19 | 佛山市华洁源热能与环境工程技术有限公司 | Sludge pyrolysis device |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
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: 20190702 |