CN206266444U - Suspension flash prepares high activity light calcined magnesia complexes - Google Patents
Suspension flash prepares high activity light calcined magnesia complexes Download PDFInfo
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- CN206266444U CN206266444U CN201620851929.XU CN201620851929U CN206266444U CN 206266444 U CN206266444 U CN 206266444U CN 201620851929 U CN201620851929 U CN 201620851929U CN 206266444 U CN206266444 U CN 206266444U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
High activity light calcined magnesia complexes are prepared the utility model discloses a kind of suspension flash, including feeder, venturi blender, material multi cyclone preheating device, suspension roaster, Conveyance device, material multi whirlwind cooling device etc.；Giobertite powdery material sends into venturi blender by feeder, subsequently into the preheating of material multi cyclone preheating device graded, the material of afterbody preheating carries out flash decomposition into suspension roaster, subsequently into Conveyance device Conveyance, the graded that the material separated enters material multi whirlwind cooling device is cooled down, the material discharging of afterbody cooling；Air flow is opposite to that, and the waste gas after most lowering the temperature through material multi cyclone preheating device afterwards is processed into emission-control equipment, discharged.The utility model integration ofTechnology degree is high, is integrated with the advanced technology of shower roasting, Conveyance, UTILIZATION OF VESIDUAL HEAT IN, exhaust-gas treatment；Labour intensity is reduced, operating environment is improved, production efficiency is high.
Description
Technical field
The utility model is related to light calcined magnesia roasting kiln field.
Background technology
Magnesite belongs to national grand strategy resource.China's magnesite ore reserves accounts for the 24% of world saving, occupies the world first
Position.Although China be magnesite resource and magnesian big producer, but due to blindness exploitation for many years, high-grade magnesite
Stone is increasingly deficient, and light calcined magnesia production remains in the original extensive mode of production, and manufacturing enterprise is simply equipped, and lacks technology
Standard, thermal regulation and operational procedure, mainly artificial operation by rule of thumb, labour intensity are big, and environmental pollution is serious, and product quality is not
Stabilization, added value of product is low, and resource cannot be comprehensively utilized.The problem basic reason that China's magnesite industry is present is technology and dress
Standby backwardness, has become the technical bottleneck of restriction China light calcined magnesia development.
China's light calcined magnesia producing equipment lags far behind developed country, also far behind domestic aluminum oxide, cement
Deng other inorganic product industries.China's light calcined magnesia production technology is original, and traditional reflecting kiln production is continued to use always.It is this anti-
Penetrate kiln body small, yield poorly, annual production is no more than 20,000 tons；Open production, energy consumption is big, pollutes very serious；Lump material,
Gas material contrary toasts material to movement by hot gas, and decomposition reaction velocity is slow, and raw outer burnt in product, surface overbaking loses
Activity, inside roasting is not thoroughly without activity, and Product Activity is low, of poor quality；Automaticity is low, produces original, grasps by rule of thumb
Make, labour intensity is big.
Utility model content
The technical problem that the utility model is solved be to provide it is a kind of efficiently, to prepare high activity light for the suspension flash of automation
Burned magnesium oxide complexes.
The technical solution adopted in the utility model is that a kind of suspension flash prepares high activity light calcined magnesia complexes, bag
Include feeder, venturi blender, material multi cyclone preheating device, suspension roaster, Conveyance device, material multi rotation
Air-cooling device, pressure fan, fuel nozzle, emission-control equipment, air-introduced machine composition；
Conveyance device includes circular cylinder, and cylinder side wall is provided with gas material import, the air inlet side of gas material import
To cylinder axis is avoided, along cylinder clockwise or counterclockwise, cylinder lower section is provided with aggregate bin, under aggregate bin
Side is discharging opening, and cylinder center is provided with discharge, and discharge upper end protrudes upward cylinder；
Material multi cyclone preheating device is interconnected to constitute by multiple Conveyance devices；
Material multi whirlwind cooling device is also interconnected to constitute by multiple Conveyance devices；
Feeder is by venturi blender and the giobertite powdery material input port of material multi cyclone preheating device
Connection, material multi cyclone preheating device material outlet connects with the charging aperture with fuel nozzle and the suspension roaster of fuel port
Connect, the discharging opening of suspension roaster is connected with the charging aperture of Conveyance device, the discharging opening of Conveyance device is more with material
The charging aperture connection of level whirlwind cooling device, the discharging opening of material multi whirlwind cooling device is connected with discharging bin, pressure fan and
The air inlet connection of material multi whirlwind cooling device, gas outlet and the Conveyance device of material multi whirlwind cooling device
Air inlet is connected, and the gas outlet of Conveyance device is connected with the air inlet of suspension roaster, the gas outlet of suspension roaster and
The air inlet connection of material multi cyclone preheating device；The hot waste gas outlet of material multi cyclone preheating device passes through exhaust-gas treatment
Device is connected with air-introduced machine.
Giobertite powdery material sends into venturi blender by feeder, is simultaneously from material multi cyclone preheating device
Hot waste gas also into venturi blender, material enters material multi cyclone preheating device with the mixed gas material of hot waste gas
The first order utilizes hot waste gas waste heat preheating material, material graded preheating, the material of afterbody preheating to enter into suspension roaster
Row flash is decomposed, and Conveyance is carried out subsequently into Conveyance device, and it is cold that the material separated enters material multi whirlwind
But the first order of device carries out cooling down, the cooling of thermal material graded, the material discharging of afterbody cooling；Air is by pressure fan
The afterbody of material multi whirlwind cooling device is sent into, air absorbs heat intensification from thermal material, and graded preheating, material is more
The preheated air of the level whirlwind cooling device first order enters suspension roaster, and the fuel sprayed with fuel nozzle reacts generation
Heat material decomposes its flash, decomposes the hot waste gas after the carbon dioxide and burning for producing and enters into Conveyance device
Row Conveyance, the gas separated enters the afterbody of material multi cyclone preheating device, the cooling of hot waste gas graded, thing
Expect that the first order cooling waste gas of multistage cyclone preheating device is processed into emission-control equipment, process waste gas up to standard and pass through
Air-introduced machine is discharged.
Hot waste gas into venturi blender comes between the adjacent two-stage of material multi cyclone preheating device.
The beneficial effects of the utility model are that advanced technology integrated level is high, are integrated with shower roasting, Conveyance, waste heat profit
With the advanced technology of, exhaust-gas treatment；Product Activity is high, and granularity is small, and quality is good, and value is big；Utilization rate of waste heat is high, efficiency high, effect
Really good, waste gas outlet temperature and drop temperature reach less than 120 DEG C；Energy consumption is low, and raw meal particle size is small, and flash is decomposed, more than material
Heat and hot waste gas waste heat make full use of, and greatly reduce energy consumption；Green production, closing production, waste gas qualified discharge after treatment；
Labour intensity is low, and operating environment is good, and automatic charging, discharging greatly reduce labour intensity, improve operating environment；Production skill
Art is advanced, and production efficiency is high, and effect is good, stable, easy to operate.
Brief description of the drawings
Fig. 1 is that suspension flash prepares high activity light calcined magnesia complexes schematic diagram.
Fig. 2 is gas material process chart of the present utility model.
Reference：1- feeders, 2- venturi blender, 3- material multis cyclone preheating device, 4- suspension roasters,
5- Conveyances device, 6- material multi whirlwind cooling device, 7- pressure fan, 8- fuel nozzles, 9- emission-control equipments, 10-
Air-introduced machine, 11- fuel ports, 12- discharging bins.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Integrated advanced technology is one of the key technology for producing efficient light calcined magnesia, and it is light-burned that suspension flash prepares high activity
Magnesia complexes, including feeder 1, venturi blender 2, material multi cyclone preheating device 3, suspension roaster 4, gas
Material separating device 5, material multi whirlwind cooling device 6, pressure fan 7, fuel nozzle 8, emission-control equipment 9,10 groups of air-introduced machine
Into；
Conveyance device includes circular cylinder, and cylinder side wall is provided with gas material import, the air inlet side of gas material import
To cylinder axis is avoided, along cylinder clockwise or counterclockwise, cylinder lower section is provided with aggregate bin, under aggregate bin
Side is discharging opening, and cylinder center is provided with discharge, and discharge upper end protrudes upward cylinder；
Material multi cyclone preheating device 3 is interconnected to constitute by multiple Conveyance devices, and hot waste gas and cold material are passed through
Repeatedly mix and separate heat-shift step by step, reach the purpose of preheating material, it is specific as shown in Fig. 2 the gas material of first mixing enters
Enter first order preheating device, the material after separation enters lower two grades, and hot waste gas enters preheating device by afterbody, it is separated after
Be mixed into gas material state with the material of upper level, into upper level preheating device；Before waste gas enters the first order, through venturi
Batch mixer mixes it with initial material, and sends into first order preheating device.
Material multi whirlwind cooling device 6 is also interconnected to constitute by multiple Conveyance devices, cooling devices at different levels
Gas, material endless form are similar to preheating device, refer to Fig. 2；Hot waste gas into venturi blender 2 comes from material multi rotation
Between the adjacent two-stage of wind preheating device 3.
Utility model is further described with reference to embodiment.Accompanying drawing 1 is embodiment schematic diagram, in the present embodiment,
Multistage cyclone preheating device is divided into three-level, and multistage cyclone cooling device is also three-level, and giobertite powdery material is sent by feeder 1
Enter venturi blender 2, be simultaneously from the hot waste gas of material multi cyclone preheating device 3 also into venturi blender 2, material
The first order for entering material multi cyclone preheating device 3 with the mixed gas material of hot waste gas utilizes hot waste gas waste heat preheating material,
Material graded is preheated, and the material of afterbody preheating carries out flash decomposition into suspension roaster 4, subsequently into Conveyance dress
Putting 5 carries out Conveyance, and the material separated carries out cooling down into the first order of material multi whirlwind cooling device 6,
Thermal material graded is cooled down, the material discharging of afterbody cooling；Air sends into material multi whirlwind cooling device 6 by pressure fan 7
Afterbody, air absorbed from thermal material heat intensification, graded preheating, the first order of material multi whirlwind cooling device 6
Preheated air enter suspension roaster 4, with fuel nozzle 8 spray fuel react generation heat material make its flash
Decompose, decompose the hot waste gas after the carbon dioxide and burning for producing carries out Conveyance into Conveyance device 5, separates
Gas enter material multi cyclone preheating device 3 afterbody, hot waste gas graded cooling, material multi cyclone preheating device
3 first order cooling waste gas is processed into emission-control equipment 9, is processed waste gas up to standard and is discharged by air-introduced machine 10.This
Embodiment light calcined magnesia produces 300000 tons of light calcined magnesia, energy consumption reduction by 35% per year.
The utility model realizes the outfit that integrated advanced technology prepares high activity light calcined magnesia, equips advanced skill
Art integrated level is high, and production technology is advanced, and production efficiency is high, and effect is good, stable, easy to operate；Product Activity is high, granularity
Small, quality is good, and value is big；Raw meal particle size is small, and flash is decomposed, and material waste heat and hot waste gas waste heat make full use of, greatly reduce
Energy consumption；Waste gas outlet temperature is low, closing production, waste gas qualified discharge after treatment, green production；Production process Based Intelligent Control,
Automatic charging, discharging, greatly reduce labour intensity, improve operating environment.
This complexes has following features：
1. complexes, include feeding discharging, shower roasting, Conveyance, UTILIZATION OF VESIDUAL HEAT IN, exhaust-gas treatment etc. and produced
Whole key elements of journey；
2. advanced technology integrated level is high, is integrated with the advanced skill of shower roasting, Conveyance, UTILIZATION OF VESIDUAL HEAT IN, exhaust-gas treatment
Art；
3. Product Activity is high, and granularity is small, and quality is good, and value is big；
4. utilization rate of waste heat is high, efficiency high, and effect is good, and waste gas outlet temperature and drop temperature reach less than 120 DEG C；
5. energy consumption is low, and raw meal particle size is small, and flash is decomposed, and material waste heat and hot waste gas waste heat make full use of, greatly reduce
Energy consumption；
6. green production, closes production, waste gas qualified discharge after treatment；
7. labour intensity is low, and operating environment is good, and automatic charging, discharging greatly reduce labour intensity, improve operation ring
Border；
8. production technology is advanced, and production efficiency is high, and effect is good, stable, easy to operate.
Claims (2)
1. suspension flash prepares high activity light calcined magnesia complexes, it is characterised in that：Mixed including feeder (1), venturi
Glassware (2), material multi cyclone preheating device (3), suspension roaster (4), Conveyance device (5), material multi whirlwind are cold
But device (6), pressure fan (7), fuel nozzle (8), emission-control equipment (9), air-introduced machine (10) are constituted；
Conveyance device includes circular cylinder, and cylinder side wall is provided with gas material import, and the airintake direction of gas material import is kept away
Cylinder axis is opened, along cylinder clockwise or counterclockwise, cylinder lower section is provided with aggregate bin, and aggregate bin lower section is
Discharging opening, cylinder center is provided with discharge, and discharge upper end protrudes upward cylinder；
Material multi cyclone preheating device (3) is interconnected to constitute by multiple Conveyance devices；
Material multi whirlwind cooling device (6) is also interconnected to constitute by multiple Conveyance devices；
Feeder (1) is thrown by the giobertite powdery material of venturi blender (2) and material multi cyclone preheating device (3)
Entrance is connected, and material multi cyclone preheating device (3) material outlet is roasted with the suspension with fuel nozzle (8) and fuel port (11)
The charging aperture connection of stove (4) is burnt, the discharging opening of suspension roaster (4) is connected with the charging aperture of Conveyance device (5), gas material point
Discharging opening from device (5) is connected with the charging aperture of material multi whirlwind cooling device (6), material multi whirlwind cooling device
(6) discharging opening is connected with discharging bin (12), and pressure fan (7) is connected with the air inlet of material multi whirlwind cooling device (6), thing
The gas outlet of material multistage cyclone cooling device (6) is connected with the air inlet of Conveyance device (5), Conveyance device (5)
Gas outlet is connected with the air inlet of suspension roaster (4), gas outlet and the material multi cyclone preheating device of suspension roaster (4)
(3) air inlet connection；The hot waste gas outlet of material multi cyclone preheating device (3) passes through emission-control equipment (9) and air inducing
Machine (10) is connected.
2. suspension flash as claimed in claim 1 prepares high activity light calcined magnesia complexes, it is characterised in that：Into text
The hot waste gas of blender (2) comes between the adjacent two-stage of material multi cyclone preheating device (3) in mound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620851929.XU CN206266444U (en) | 2016-08-08 | 2016-08-08 | Suspension flash prepares high activity light calcined magnesia complexes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620851929.XU CN206266444U (en) | 2016-08-08 | 2016-08-08 | Suspension flash prepares high activity light calcined magnesia complexes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206266444U true CN206266444U (en) | 2017-06-20 |
Family
ID=59036478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620851929.XU Withdrawn - After Issue CN206266444U (en) | 2016-08-08 | 2016-08-08 | Suspension flash prepares high activity light calcined magnesia complexes |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585556A (en) * | 2018-07-24 | 2018-09-28 | 沈阳鑫博工业技术股份有限公司 | A kind of system and device and method preparing more specification light calcined magnesias |
| CN111018368A (en) * | 2019-12-11 | 2020-04-17 | 东北大学 | Production device and production method for preparing light calcined powder from magnesite |
-
2016
- 2016-08-08 CN CN201620851929.XU patent/CN206266444U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585556A (en) * | 2018-07-24 | 2018-09-28 | 沈阳鑫博工业技术股份有限公司 | A kind of system and device and method preparing more specification light calcined magnesias |
| CN111018368A (en) * | 2019-12-11 | 2020-04-17 | 东北大学 | Production device and production method for preparing light calcined powder from magnesite |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Liaoning Fenghua Industrial Co., Ltd. Assignor: Liaoning Xinwei Environmental Protection Technology Co. Ltd. Contract record no.: 2017210000033 Denomination of utility model: Integrated device for suspension flash preparation of high activity light calcined magnesia Granted publication date: 20170620 License type: Common License Record date: 20171108 Assignee: Dashiqiao Xinwei Refractory Material Co.,Ltd. Assignor: Liaoning Xinwei Environmental Protection Technology Co. Ltd. Contract record no.: 2017210000032 Denomination of utility model: Integrated device for suspension flash preparation of high activity light calcined magnesia Granted publication date: 20170620 License type: Common License Record date: 20171108 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170620 Effective date of abandoning: 20181008 |
|
| AV01 | Patent right actively abandoned |