CN207175789U - Magnesite light calcined magnesia and dead burned magnesia production line integrated equipment - Google Patents
Magnesite light calcined magnesia and dead burned magnesia production line integrated equipment Download PDFInfo
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- CN207175789U CN207175789U CN201720991308.6U CN201720991308U CN207175789U CN 207175789 U CN207175789 U CN 207175789U CN 201720991308 U CN201720991308 U CN 201720991308U CN 207175789 U CN207175789 U CN 207175789U
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Abstract
A kind of magnesite light calcined magnesia and dead burned magnesia production line integrated equipment, belong to magnesite calcination device.The production complexes of magnesia include：Grinding device, light-burned device and reheating device；Grinding device, light-burned device connect with reheating device sequence.Advantage：Light calcined magnesia is combined with dead burned magnesia production method, dore furnace is light-burned equipment, rotary kiln is reheating equipment, and different stage light calcined magnesia is produced after dore furnace is calcined, and enters calcining generation dead burned magnesia in rotary kiln through balling-up using the light calcined magnesia of fine powder ore deposit production.（2）By UTILIZATION OF VESIDUAL HEAT IN is in dore furnace and multistage suspension pre-heating system in rotary kiln, in cooler, hot gas and cooler hot gas are passed through dore furnace, multistage suspension pre-heating system in rotary kiln, there is provided heat is decomposed in roasting and preheating；Two systems produce and realize energy-saving and emission-reduction simultaneously.（3）Apparatus structure is simple, low energy consumption, qualified discharge, and this method, which is promoted, has larger social benefit.
Description
Technical field
It the utility model is related to the device of magnesite calcination, and in particular to magnesite light calcined magnesia is given birth to dead burned magnesia
Producing line complexes.
Background technology
The magnisite resource very abundant in China, but pass through long-term exploitation, magnesite is reduced increasingly, and China is light-burned
The production of magnesia and dead burned magnesia is most of to belong to the extensive mode of production, and manufacturing enterprise is simply equipped, high energy consumption, pollution be big,
The problems such as operating environment is severe, the labor intensity of worker is high, product quality is unmanageable lacks technology.
Utility model content
The purpose of this utility model is to provide for magnesite light calcined magnesia and dead burned magnesia production line integrated equipment, changes
The problem of becoming existing extensive style oxidation Smelting magnesium complexes.
The utility model uses following technical scheme：The production line integrated equipment of magnesia includes：Grinding device, light-burned dress
Put and reheating device；Grinding device, light-burned device connect with reheating device sequence.
The grinding device includes：Crude ore bin, raw ore conveyer, disintegrating machine, disintegrating machine bucket carry, repository, storage warehouse are defeated
Machine, grinding machine, grinding machine bucket is sent to carry and powder storehouse；Crude ore bin outlet is above raw ore conveyer, and raw ore conveyer output end is with breaking
Broken machine feeding mouth overlap joint, discharge hole of crusher carry entrance overlap joint with disintegrating machine bucket, and disintegrating machine bucket proposes that mouth is taken with repository entrance
Connect, repository outlet is above repository conveyer, and repository conveyer output end overlaps with mill entrance, grinding machine discharging opening
Entrance overlap joint is carried with grinding machine bucket, grinding machine bucket proposes that mouth overlaps with powder storehouse entrance.
The light-burned device includes：Grinding storehouse bucket carry, powder metering storehouse conveyer belt, powder metering storehouse, multistage suspension preheating
System, dore furnace, suspension cooling system, hot-blast stove, light-burned storehouse conveyer belt, the light-burned storehouse of middle-low grade magnesia, high-grade oxidation
The light-burned storehouse of magnesium and dust-precipitator；Powder storehouse exports carries entrance overlap joint with grinding storehouse bucket, and grinding storehouse bucket proposes that mouth is located at powder metering storehouse
Above conveyer belt, powder metering storehouse conveyer belt output end is connected with powder metering storehouse entrance, and the outlet of powder metering storehouse hangs with multistage
Floating pre-heating system entrance connects, and dust-precipitator meal outlet is also overlapped on multistage suspension pre-heating system entrance, multistage suspension pre-heating system
Outlet connection dore furnace entrance, sintering outlet of still also connect dore furnace, decomposition furnace outlet link suspension cooling system entrance, suspended
Cooling system outlet is above light-burned storehouse conveyer belt, light-burned storehouse conveyer belt output end and the light-burned storehouse of middle-low grade magnesia, height
The light-burned storehouse entrance of grade magnesia connects.
The reheating device includes：Light-burned storehouse conveyer belt, ball press, ball press bucket carry, spherical material measuring chute, rotary kiln,
Cooler, reheating storehouse conveyer belt and reheating storehouse；The light-burned storehouse outlet of high-grade magnesia is above light-burned storehouse conveyer belt, light-burned storehouse
Conveyer belt output end is connected with ball press entrance, ball press outlet with ball press bucket carry entrance overlap joint, ball press bucket propose mouth with
Spherical material measuring chute entrance is connected, and spherical material measuring chute outlet is connected with rotary kiln entrance, and connection cooler in rotary kiln outlet enters
Above the conveyer belt of reheating storehouse, reheating storehouse conveyer belt output end is connected with reheating storehouse entrance for mouth, cooler outlet.
Beneficial effect, by adopting the above-described technical solution, by light-burned and reheating combination, make full use of waste heat, energy
Source consumption is greatly reduced；Closed by the way that stream is whole, waste gas purification discharges the situation that prevents the pollution of the environment.Using the light-burned oxygen of magnesite
Change the device that magnesium is combined with dead burned magnesia production line, light calcined magnesia technology is preheated using multistage, dead burned magnesia is calcined
Waste heat acts on light calcined magnesia production equipment, and energy resource consumption is greatly reduced, and reduces environmental pollution, changes existing extensive style
The problem of magnesia production equipment.
The utility model advantage：
（1）Light calcined magnesia is combined by the utility model with dead burned magnesia production method, and dore furnace is light-burned equipment,
Rotary kiln is reheating equipment, and different stage light calcined magnesia is produced after dore furnace is calcined, using the light-burned of fine powder ore deposit production
Magnesia enters calcining generation dead burned magnesia in rotary kiln through balling-up.
（2）The utility model by rotary kiln, in cooler UTILIZATION OF VESIDUAL HEAT IN in dore furnace and multistage suspension pre-heating system,
Hot gas and cooler hot gas are passed through dore furnace, multistage suspension pre-heating system in rotary kiln, there is provided roasting and preheating decomposition heat
Amount；Two systems produce and realize energy-saving and emission-reduction simultaneously.
（3）Content of MgO is 85 ~ 98% in the utility model device light calcined magnesia, in dead burned magnesia content of MgO be 96 ~
98%。
（4）The utility model apparatus structure is simple, low energy consumption, qualified discharge, and this method, which is promoted, has larger social benefit.
Brief description of the drawings
Fig. 1 is single unit system structure chart of the present utility model.
Fig. 2 is grinding device structure chart of the present utility model.
Fig. 3 is light-burned structure drawing of device of the present utility model.
Fig. 4 is reheating structure drawing of device of the present utility model.
In figure, 1, crude ore bin；17-1, raw ore conveyer；2nd, disintegrating machine；3-1, disintegrating machine bucket carry；4th, repository；17-2、
Storage warehouse conveyer；5th, grinding machine；3-2, grinding machine bucket carry；6th, powder storehouse；3-3, grinding storehouse bucket carry；17-3, the conveying of powder metering storehouse
Band；7-1, powder metering storehouse；8th, multistage suspension pre-heating system；9th, dore furnace；10th, suspension cooling system；11st, hot-blast stove；17-4、
Light-burned storehouse conveyer belt；12-1, the light-burned storehouse of middle-low grade magnesia；12-2, the light-burned storehouse of high-grade magnesia；13rd, dust-precipitator；17-
5th, light-burned storehouse conveyer belt；14th, ball press；3-4, ball press bucket carry；7-2, spherical material measuring chute；15th, rotary kiln；16th, cooler；
17-6, reheating storehouse conveyer belt；18th, reheating storehouse.
Embodiment
The production line integrated equipment of the utility model magnesia includes：Grinding device, light-burned device and reheating device；Grinding
Device, light-burned device connect with reheating device sequence.
The grinding device includes：Crude ore bin 1, raw ore conveyer 17-1, disintegrating machine 2, disintegrating machine bucket carry 3-1, repository
4th, storage warehouse conveyer 17-2, grinding machine 5, grinding machine bucket carry 3-2 and powder storehouse 6；The outlet of crude ore bin 1 is on raw ore conveyer 17-1
Side, raw ore conveyer output end are connected with the feeding mouth of disintegrating machine 12, and the discharging opening of disintegrating machine 12 carries 3-1 entrances with disintegrating machine bucket and taken
Connect, disintegrating machine bucket proposes 3-2 outlets and connected with the entrance of repository 4, and the outlet of repository 4 is above repository conveyer 17-2, storage
Warehousing conveyer 17-2 output ends are connected with the entrance of grinding machine 5, and the discharging opening of grinding machine 5 carries 3-2 entrances overlap joint with grinding machine bucket, and grinding machine bucket carries
3-2 outlets connect with the entrance of powder storehouse 6.
The light-burned device includes：Grinding storehouse bucket carries 3-3, powder metering storehouse conveyer belt 17-3, powder metering storehouse 7-1, more
Level suspension preheating system 8, dore furnace 9, suspension cooling system 10, hot-blast stove 11, light-burned storehouse conveyer belt 17-4, middle-low grade oxidation
The light-burned storehouse 12-1 of magnesium, the light-burned storehouse 12-2 of high-grade magnesia and dust-precipitator 13；Powder storehouse 6 exports carries 3-3 entrances with grinding storehouse bucket
Overlap joint, grinding storehouse bucket propose 3-3 outlets above the conveyer belt 17-3 of powder metering storehouse, powder metering storehouse conveyer belt 17-3 output ends
It is connected with powder metering storehouse 7-1 entrances, 7-1 outlets in powder metering storehouse connect with the entrance of multistage suspension pre-heating system 8, dust-precipitator 13
Meal outlet is also overlapped on the entrance of multistage suspension pre-heating system 8, the outlet of the multistage suspension pre-heating system 8 connection entrance of dore furnace 9, sintering
Stove 11 exports also connection dore furnace 9, the entrance of 9 egress links suspension cooling system of dore furnace 10, and suspension cooling system 10 exports position
Above light-burned storehouse conveyer belt 17-4, light-burned storehouse conveyer belt 17-4 output ends and middle-low grade magnesia light-burned storehouse 12-1, Gao Pin
The position light-burned storehouse 12-2 entrances of magnesia connect.
The reheating device includes：Light-burned storehouse conveyer belt 17-5, ball press 14, ball press bucket carry 3-4, spherical material measuring chute
7-2, rotary kiln 15, cooler 16, reheating storehouse conveyer belt 17-6 and reheating storehouse 18；High-grade magnesia light-burned storehouse 12-2 outlets position
Above light-burned storehouse conveyer belt 17-4, light-burned storehouse conveyer belt 17-4 output ends are connected with the entrance of ball press 14, and ball press 14 exports
3-4 entrances overlap joint is carried with ball press bucket, ball press bucket proposes 3-4 outlets and is connected with spherical material measuring chute 7-2 entrances, spherical material metering
7-2 outlets in storehouse are connected with the entrance of rotary kiln 15, and the outlet of rotary kiln 15 connection cooler 16 entrance, the outlet of cooler 16 are located at reheating
Above the conveyer belt 17-6 of storehouse, reheating storehouse conveyer belt 17-6 output ends are connected with the entrance of reheating storehouse 18.
The production method that magnesite light calcined magnesia is combined with dead burned magnesia, comprises the following steps：
（1）Siderite is carried into filler bin by bucket after crushing and grinding, and grinding fineness reaches 0.080mm and tailed over 12%
~14%；
（2）Filler bin material is sent into multistage suspension pre-heating system through metering and preheated, and preheating temperature is 300 ~ 750 DEG C；
（3）Material is sent into dore furnace and is calcined after preheating, and the process temperature is controlled in 900 ~ 1200 DEG C of scopes；
（4）Material is calcined after suspending and cooling down, completes light-burned, generation light calcined magnesia, into light-burned storehouse, light calcined magnesia
Middle content of MgO is 85 ~ 98%；
（5）Material is pressed into 25 ~ 50mm of particle diameter ball feeding rotary kiln with ball press and calcined in light-burned storehouse, calcining heat
In 1800 ~ 2000 DEG C of scopes；
（6）Dead burned magnesia is completed after being cooled down after calcining by cooler, content of MgO is 96 ~ 98% in dead burned magnesia.
Step（2）Middle multistage suspension preheating institute's calorific requirement provides by high temperature hot gas body；
Step（3）Middle dore furnace institute's calorific requirement is provided by high temperature hot gas body and hot-blast stove provides, and detailed process is：Hot-blast stove
Middle coal combustion heat and rotary kiln, cooler discharge hot gas enter in dore furnace, and dore furnace discharge hot gas enters back into more
In level suspension preheating system, the gas of multistage suspension pre-heating system discharge enters back into tail exhaust blower, purifies, is discharged into air.
The step（1）In, magnesite powder grinding rate reaches 0.080mm and tailed over 12%~14%.
The step（2）In, the control of multistage suspension pre-heating system preheating temperature is carried out in the range of 300 ~ 750 DEG C；
The step（3）In, the control of dore furnace sintering temperature is carried out in the range of 900 ~ 1200 DEG C.
The step（3）In, content of MgO is 85 ~ 98% in light calcined magnesia.
The step（4）In, calcined by rotary kiln temperature control is in 1800 ~ 2000 DEG C of progress.
The step（4）In, ball press pressure ball particle diameter is 25 ~ 50mm.
The step（4）In, content of MgO is 96 ~ 98% in dead burned magnesia.
The step（5）In, calcined by rotary kiln temperature control is in 1800 ~ 2000 DEG C of progress.
Claims (4)
1. magnesite light calcined magnesia and dead burned magnesia production line integrated equipment, it is characterized in that：Magnesia is produced into suit
Put including：Grinding device, light-burned device and reheating device；Grinding device, light-burned device connect with reheating device sequence.
2. magnesite light calcined magnesia and dead burned magnesia production line integrated equipment according to claim 1, it is characterized in that：Institute
The grinding device stated includes：Crude ore bin, raw ore conveyer, disintegrating machine, disintegrating machine bucket carry, repository, storage warehouse conveyer, mill
Machine, grinding machine bucket carry and powder storehouse；Crude ore bin outlet is above raw ore conveyer, raw ore conveyer output end and disintegrating machine pan feeding
Mouth is connected, and discharge hole of crusher carries entrance overlap joint with disintegrating machine bucket, and disintegrating machine bucket proposes that mouth connects with repository entrance, repository
Above repository conveyer, repository conveyer output end is connected with mill entrance for outlet, grinding machine discharging opening and grinding machine bucket
Entrance overlap joint is carried, grinding machine bucket proposes that mouth connects with powder storehouse entrance.
3. magnesite light calcined magnesia and dead burned magnesia production line integrated equipment according to claim 1, it is characterized in that：Institute
The light-burned device stated includes：Grinding storehouse bucket carry, powder metering storehouse conveyer belt, powder metering storehouse, multistage suspension pre-heating system, decompose
Stove, suspension cooling system, hot-blast stove, light-burned storehouse conveyer belt, the light-burned storehouse of middle-low grade magnesia, the light-burned storehouse of high-grade magnesia and
Dust-precipitator；Powder storehouse exports carries entrance overlap joint with grinding storehouse bucket, and grinding storehouse bucket proposes that mouth is located above the conveyer belt of powder metering storehouse,
Powder metering storehouse conveyer belt output end is connected with powder metering storehouse entrance, and the outlet of powder metering storehouse enters with multistage suspension pre-heating system
Mouth connects, and dust-precipitator meal outlet is also overlapped on multistage suspension pre-heating system entrance, and multistage suspension pre-heating system outlet connection is decomposed
Stove entrance, sintering outlet of still also connect dore furnace, decomposition furnace outlet link suspension cooling system entrance, the outlet of suspension cooling system
Above light-burned storehouse conveyer belt, light-burned storehouse conveyer belt output end storehouse light-burned with middle-low grade magnesia, high-grade magnesia are light
Storehouse entrance is burnt to connect.
4. magnesite light calcined magnesia and dead burned magnesia production line integrated equipment according to claim 1, it is characterized in that：Institute
The reheating device stated includes：Light-burned storehouse conveyer belt, ball press, ball press bucket carry, spherical material measuring chute, rotary kiln, cooling
Machine, reheating storehouse conveyer belt and reheating storehouse；The light-burned storehouse outlet of high-grade magnesia is above light-burned storehouse conveyer belt, light-burned storehouse conveying
Band output end be connected with ball press entrance, ball press outlet with ball press bucket carry entrance overlap joint, ball press bucket proposition mouth with it is spherical
Material measuring chute entrance is connected, and the outlet of spherical material measuring chute be connected with rotary kiln entrance, and rotary kiln, which exports, connects cooler entrance, cold
But above the conveyer belt of reheating storehouse, reheating storehouse conveyer belt output end is connected with reheating storehouse entrance for machine outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720991308.6U CN207175789U (en) | 2017-08-09 | 2017-08-09 | Magnesite light calcined magnesia and dead burned magnesia production line integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720991308.6U CN207175789U (en) | 2017-08-09 | 2017-08-09 | Magnesite light calcined magnesia and dead burned magnesia production line integrated equipment |
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| Publication Number | Publication Date |
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| CN207175789U true CN207175789U (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720991308.6U Expired - Fee Related CN207175789U (en) | 2017-08-09 | 2017-08-09 | Magnesite light calcined magnesia and dead burned magnesia production line integrated equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109320107A (en) * | 2018-10-26 | 2019-02-12 | 辽宁科技大学 | Suspension-boiling multithread state combination preparation high activity light calcined magnesia method |
| CN110668477A (en) * | 2019-11-01 | 2020-01-10 | 中冶焦耐(大连)工程技术有限公司 | Process and system for producing sintered magnesia by taking magnesium hydroxide as raw material |
-
2017
- 2017-08-09 CN CN201720991308.6U patent/CN207175789U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109320107A (en) * | 2018-10-26 | 2019-02-12 | 辽宁科技大学 | Suspension-boiling multithread state combination preparation high activity light calcined magnesia method |
| CN110668477A (en) * | 2019-11-01 | 2020-01-10 | 中冶焦耐(大连)工程技术有限公司 | Process and system for producing sintered magnesia by taking magnesium hydroxide as raw material |
| CN110668477B (en) * | 2019-11-01 | 2023-09-19 | 中冶焦耐(大连)工程技术有限公司 | Process and system for producing sintered magnesia by taking magnesium hydroxide as raw material |
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| 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: 20180403 Termination date: 20210809 |