CN107265890A - Magnesite light calcined magnesia and dead burned magnesia production line integrated equipment and method - Google Patents
Magnesite light calcined magnesia and dead burned magnesia production line integrated equipment and method Download PDFInfo
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- CN107265890A CN107265890A CN201710676058.1A CN201710676058A CN107265890A CN 107265890 A CN107265890 A CN 107265890A CN 201710676058 A CN201710676058 A CN 201710676058A CN 107265890 A CN107265890 A CN 107265890A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
- C04B2/102—Preheating, burning calcining or cooling of magnesia, e.g. dead burning
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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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Abstract
A kind of magnesite light calcined magnesia produces complexes and method with dead burned magnesia, belongs to magnesite calcination apparatus and method.The production complexes of magnesia include：Grinding device, light-burned device and reheating device；Grinding device, light-burned device and the connection of reheating device sequence.Method and step is as follows：（1）Siderite enters in filler bin after crushing and grinding technique；（2）Filler bin material carries out burning storehouse after metering feeding multistage suspension pre-heating system in dore furnace；（4）Material is sent into rotary kiln through balling-up and calcined in light-burned storehouse, and reheating is completed after cooling, and generation is calcined again；（3）Material completes light-burned, light calcined magnesia is generated, into light calcined magnesia after the cooling that suspends after roasting；By UTILIZATION OF VESIDUAL HEAT IN in rotary kiln, in cooler in dore furnace and multistage suspension pre-heating system, two systems produce and realize energy-saving and emission-reduction simultaneously.Advantage：Light-burned to be combined with reheating technique, technological process is simple, and energy consumption is low, the features such as non-pollution discharge.
Description
Technical field
The present invention relates to the apparatus and method of magnesite calcination, and in particular to magnesite light calcined magnesia and dead burned magnesia
Production line integrated equipment and method.
Background technology
The magnisite resource very abundant of 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 workman is high, the quality of product is difficult to control to lacks technology.
The content of the invention
The invention aims to provide magnesite light calcined magnesia and dead burned magnesia production line integrated equipment and method,
The problem of changing the existing extensive style magnesia mode of production and production technology.
The present invention uses following technical scheme：Production complexes and production method of the present invention including magnesia.
The production complexes of magnesia include：Grinding device, light-burned device and reheating device；Grinding device, light-burned dress
Put and the connection of reheating device sequence.
The grinding device includes：Crude ore bin, raw ore conveyer, disintegrating machine, disintegrating machine bucket are carried, repository, storage warehouse are defeated
Machine, grinding machine, grinding machine bucket is sent to carry and powder storehouse；Crude ore bin outlet is located above raw ore conveyer, and raw ore conveyer output end is with breaking
Broken machine feeding mouth overlap joint, discharge hole of crusher carries entrance overlap joint with disintegrating machine bucket, and disintegrating machine bucket proposes that mouth is taken with repository entrance
Connect, repository outlet is located above repository conveyer, and repository conveyer output end is overlapped with mill entrance, grinding machine discharging opening
Entrance overlap joint is carried with grinding machine bucket, grinding machine bucket proposes that mouth is overlapped 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 is exported 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 connects dore furnace, and decomposition furnace outlet link suspension cooling system entrance suspends
Cooling system outlet is located 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 are carried, spherical material measuring chute, rotary kiln,
Cooler, reheating storehouse conveyer belt and reheating storehouse；The light-burned storehouse outlet of high-grade magnesia is located 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
Mouth, cooler outlet are located above the conveyer belt of reheating storehouse, and reheating storehouse conveyer belt output end is connected with reheating storehouse entrance.
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；
（2）Filler bin material is preheated through metering feeding multistage suspension pre-heating system；
（3）Material feeding dore furnace is calcined after preheating；
（4）Material is calcined after the cooling that suspends, completes light-burned, light calcined magnesia is generated, into light-burned storehouse；
（5）Material is calcined with ball press compacting balling-up feeding rotary kiln in light-burned storehouse；
（6）Material is cooled down by cooler after calcining, then completes dead burned magnesia.
Step（2）Middle multistage preheating institute's calorific requirement is provided by high temperature hot gas body；Step（3）Middle dore furnace institute's calorific requirement by
High temperature hot gas body is provided and hot-blast stove, and detailed process is：Coal combustion heat, rotary kiln and cooler discharge hot gas in hot-blast stove
Enter in dore furnace, dore furnace discharge hot gas is entered back into multistage suspension pre-heating system, the discharge of multistage suspension pre-heating system
Gas enter back into tail exhaust blower, purify, be discharged into air.
The step（1）In, magnesite powder grinding rate reaches that 0.080mm is 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.
Beneficial effect, by adopting the above-described technical solution, by light-burned and reheating combination, making full use of waste heat, energy
Source consumption is greatly reduced；Closed by stream whole process, waste gas purification discharges the situation that prevents the pollution of the environment.Magnesite light calcined magnesia
The method combined with dead burned magnesia production line, preheats light calcined magnesia technology using multistage, dead burned magnesia is calcined into waste heat
Light calcined magnesia production line is acted on, energy resource consumption is greatly reduced, environmental pollution is reduced, existing extensive style magnesia is changed
The problem of mode of production and production technology.
Advantage of the present invention：
（1）Light calcined magnesia is combined by the present invention with dead burned magnesia production method, and dore furnace is light-burned equipment, and rotary kiln is
Reheating equipment, produces different stage light calcined magnesia after being calcined through dore furnace, the light calcined magnesia produced using fine powder ore deposit is passed through
Balling-up enters calcining generation dead burned magnesia in rotary kiln.
（2）The present invention in dore furnace and multistage suspension pre-heating system, turns round UTILIZATION OF VESIDUAL HEAT IN in rotary kiln, in cooler
Hot gas and cooler hot gas are passed through dore furnace, multistage suspension pre-heating system and decompose heat there is provided roasting and preheating in kiln.Two
Individual system is produced simultaneously reaches energy-saving and emission-reduction purpose.
（3）Content of MgO is 85 ~ 98% in apparatus of the present invention and method, product light calcined magnesia, and MgO contains in dead burned magnesia
Measure as 96 ~ 98%.
（4）Apparatus of the present invention and method, technological process are simple, low energy consumption, qualified discharge, and this method, which is promoted, has larger society
Can benefit.
Brief description of the drawings
Fig. 1 is method process flow diagram of the invention.
Fig. 2 is single unit system process structure figure of the invention.
Fig. 3 is grinding device process structure figure of the invention.
Fig. 4 is light-burned device technique structure chart of the invention.
Fig. 5 is reheating device technique structure chart of the invention.
In figure, 1, crude ore bin；17-1, raw ore conveyer；2nd, disintegrating machine；3-1, disintegrating machine bucket are carried；4th, repository；17-2、
Storage warehouse conveyer；5th, grinding machine；3-2, grinding machine bucket are carried；6th, powder storehouse；3-3, grinding storehouse bucket are carried；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 are carried；7-2, spherical material measuring chute；15th, rotary kiln；16th, cooler；
17-6, reheating storehouse conveyer belt；18th, reheating storehouse.
Embodiment
The present invention includes magnesite light calcined magnesia and dead burned magnesia process units and production method；
The production complexes of the magnesia include：Grinding device, light-burned device and reheating device；Grinding device, light-burned dress
Put and the connection of 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 located on raw ore conveyer 17-1
Side, raw ore conveyer output end is 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 located 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 is carried
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, many
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 is exported carries 3-3 entrances with grinding storehouse bucket
Overlap joint, grinding storehouse bucket proposes 3-3 outlets and is located 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, harvest device 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, the outlet of suspension cooling system 10 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；The light-burned storehouse 12-2 outlets of middle-low grade magnesia
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 goes out
Mouth carries 3-4 entrances overlap joint with ball press bucket, and ball press bucket proposes 3-4 outlets and is connected with spherical material measuring chute 7-2 entrances, spherical material meter
Amount storehouse 7-2 outlets 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 weight
Burn 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, grinding fineness reach 0.080mm tail over 12%~
14%；
（2）Filler bin material is preheated through metering feeding multistage suspension pre-heating system, and preheating temperature is 300 ~ 750 DEG C；
（3）Material feeding dore furnace is calcined after preheating, and the process temperature is controlled in 900 ~ 1200 DEG C of scopes；
（4）Material is calcined after the cooling that suspends, completes light-burned, light calcined magnesia is generated, into light-burned storehouse；
（5）Material is pressed into 25 ~ 50mm of particle diameter ball feeding rotary kiln with ball press and calcined in light-burned storehouse, and calcining heat exists
1800 ~ 2000 DEG C of scopes；
（6）Dead burned magnesia is completed after being cooled down after calcining by cooler.
Step（2）Middle multistage suspension preheating institute's calorific requirement is provided 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 is provided, and detailed process is：Coal in hot-blast stove
Calory burning and rotary kiln, cooler discharge hot gas enter in dore furnace, and dore furnace discharge hot gas enters back into multistage outstanding
In floating pre-heating 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 that 0.080mm is 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.
Embodiment 1：The present invention is magnesite light calcined magnesia and dead burned magnesia production method, and its embodiment is such as
Under：
MgO is 42 ~ 47% for content in the magnesite used in the present embodiment, and moisture content is 14%.
Magnesite light calcined magnesia is with dead burned magnesia production method, its process chart as shown in figure 1, including following step
Suddenly：
Step 1, grinding：Take crude ore bin material to enter broken rear crusher machine, be re-fed into repository, repository material feeding grinding
Machine, through levigate to being transported to powder storehouse after powdery,（See Fig. 3）；
Step 2, preheat：The first order of three-level suspension preheating system is transported to after material is weighed through measuring chute in filler bin, with heat
Gas carries out heat exchange preheating,（See Fig. 4）；
Step 3, it is calcined：Material enters dore furnace from the three-level suspension preheating system third level after preheating, is roasted in dore furnace
Burn,（See Fig. 4）；
Step 4, cool down：The material come out from dore furnace enters in suspension cooling system, is passed through air cooling, low product in being re-fed into
The position light-burned storehouse of magnesia and the light-burned storehouse of high-grade magnesia,（See Fig. 4）；
Step 5, calcine：The magnesia in the light-burned storehouse of high-grade suppresses balling-up by ball press, sends into calcined by rotary kiln,（See Fig. 5）；
Step 6, cool down：Material enters after cooler cooling after calcining, is transported to reheating storehouse,（See Fig. 5）.
Combustion of Hot Air Furnace heat, rotary kiln and single cooler discharge hot gas are passed through in dore furnace, dore furnace discharge hot gas
Sequentially enter the third level of three-level suspension preheating system, the second level, the first order again, the gas of discharge enters back into tail exhaust blower, net
Change, be discharged into air.
Content of MgO is 85 ~ 98% in product light calcined magnesia, and content of MgO is 96 ~ 98%, bulk density in dead burned magnesia
3.3~4.3t/m3。
Claims (7)
1. magnesite light calcined magnesia and dead burned magnesia product line device, it is characterized in that：The production complexes bag of magnesia
Include：Grinding device, light-burned device and reheating device；Grinding device, light-burned device and the connection of reheating device sequence.
2. magnesite light calcined magnesia and dead burned magnesia product line device according to claim 1, it is characterized in that：Described
Grinding device includes：Crude ore bin, raw ore conveyer, disintegrating machine, disintegrating machine bucket are carried, repository, storage warehouse conveyer, grinding machine, mill
Machine bucket is carried and powder storehouse；Crude ore bin outlet is located above raw ore conveyer, raw ore conveyer output end and disintegrating machine feeding mouth phase
Even, discharge hole of crusher carries entrance overlap joint with disintegrating machine bucket, and disintegrating machine bucket proposes that mouth connects with repository entrance, repository outlet
Above the repository conveyer, repository conveyer output end is connected with mill entrance, grinding machine discharging opening and grinding machine bucket carry into
Mouth overlap joint, grinding machine bucket proposes that mouth connects with powder storehouse entrance.
3. magnesite light calcined magnesia and dead burned magnesia product line device according to claim 1, it is characterized in that：Described
Light-burned device includes：Grinding storehouse bucket carry, powder metering storehouse conveyer belt, powder metering storehouse, multistage suspension pre-heating system, dore furnace,
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 receipts
Dirt device；Powder storehouse is exported 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
Material measuring chute conveyer belt output end is connected with powder metering storehouse entrance, the outlet of powder metering storehouse and multistage suspension pre-heating system entrance
Connect, harvest device 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 connects dore furnace, decomposition furnace outlet link suspension cooling system entrance, suspension cooling system outlet position
Above light-burned storehouse conveyer belt, light-burned storehouse conveyer belt output end and the light-burned storehouse of middle-low grade magnesia, high-grade magnesia are light-burned
Storehouse entrance connects.
4. magnesite light calcined magnesia and dead burned magnesia product line device according to claim 1, it is characterized in that：Described
The reheating device includes：Light-burned storehouse conveyer belt, ball press, ball press bucket are carried, spherical material measuring chute, rotary kiln, cooler, again
Burn storehouse conveyer belt and reheating storehouse；The light-burned storehouse outlet of high-grade magnesia is located above light-burned storehouse conveyer belt, and light-burned storehouse conveyer belt is defeated
Go out end with ball press entrance to be connected, ball press outlet carries entrance overlap joint with ball press bucket, ball press bucket proposes mouth and spherical material meter
Measure storehouse entrance to be connected, spherical material measuring chute outlet is connected with rotary kiln entrance, rotary kiln outlet connection cooler entrance, cooler
Outlet is located above the conveyer belt of reheating storehouse, and reheating storehouse conveyer belt output end is connected with reheating storehouse entrance.
5. a kind of magnesite light calcined magnesia and dead burned magnesia production method, it is characterized in that：Comprise the following steps：
（1）The processing of siderite crushing and grinding, is carried into filler bin through bucket；
（2）Filler bin material is preheated through metering feeding multistage suspension pre-heating system；
（3）Material is calcined into dore furnace after preheating；
（4）Material is cooled down in suspension cooling system after roasting, is completed light-burned, light calcined magnesia is generated, into light-burned storehouse；
（5）Material in ball press compacting balling-up feeding rotary kiln through calcining in light-burned storehouse；
（6）Material is cooled down by cooler after calcining, then completes dead burned magnesia.
6. magnesite light calcined magnesia and dead burned magnesia production method according to claim 5, it is characterized in that：
Step（2）Middle multistage preheating institute's calorific requirement is provided 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 is provided, and detailed process is：Coal in hot-blast stove
Calory burning and rotary kiln, cooler discharge hot gas enter in dore furnace, and dore furnace discharge hot gas enters back into multistage outstanding
In floating pre-heating system, the gas of multistage suspension pre-heating system discharge enters back into tail exhaust blower, purifies, is discharged into air.
7. magnesite light calcined magnesia and dead burned magnesia production method according to claim 5, it is characterized in that：
The step（1）In, magnesite powder grinding rate reaches that 0.080mm is 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.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264248A (en) * | 2018-04-18 | 2018-07-10 | 镇江苏博特新材料有限公司 | A kind of light-burned MgO suspension calcinings production technology and device |
| CN108314335A (en) * | 2018-04-18 | 2018-07-24 | 镇江苏博特新材料有限公司 | A kind of light-burned MgO suspension kilns coproduction Mg (OH)2Production technology and device |
| CN108483950A (en) * | 2018-04-18 | 2018-09-04 | 镇江苏博特新材料有限公司 | A kind of high activity MgO roasting techniques and its dedicated unit |
| CN108558239A (en) * | 2018-06-26 | 2018-09-21 | 武汉三源特种建材有限责任公司 | A kind of accurate preparation facilities of magnesia and method |
| CN108585555A (en) * | 2018-06-26 | 2018-09-28 | 武汉源锦建材科技有限公司 | A kind of homogeneous calcining Preparation equipment of industrialization powder clinker and preparation 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 |
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