CN102040247B - Method and device for producing chemical manganese dioxide - Google Patents
Method and device for producing chemical manganese dioxide Download PDFInfo
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- CN102040247B CN102040247B CN201010551438A CN201010551438A CN102040247B CN 102040247 B CN102040247 B CN 102040247B CN 201010551438 A CN201010551438 A CN 201010551438A CN 201010551438 A CN201010551438 A CN 201010551438A CN 102040247 B CN102040247 B CN 102040247B
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- pyrolysis
- heating
- still
- heating coil
- manganese dioxide
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- 239000000126 substance Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 16
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 title abstract 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 238000000197 pyrolysis Methods 0.000 claims abstract description 45
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 31
- 230000003647 oxidation Effects 0.000 claims abstract description 28
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 230000001590 oxidative effect Effects 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 23
- 229910052748 manganese Inorganic materials 0.000 claims description 23
- 239000011572 manganese Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 5
- 229940093474 manganese carbonate Drugs 0.000 abstract description 7
- 235000006748 manganese carbonate Nutrition 0.000 abstract description 7
- 239000011656 manganese carbonate Substances 0.000 abstract description 7
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- VASIZKWUTCETSD-UHFFFAOYSA-N oxomanganese Chemical compound [Mn]=O VASIZKWUTCETSD-UHFFFAOYSA-N 0.000 description 2
- 230000000202 analgesic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000005144 thermotropism Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a method for producing manganese dioxide, comprising the following steps: firstly, adding the manganese carbonate into a stirred pyrolysis oxidation furnace provided with a heating clamp sleeve and internally provided with a heating coil; starting the furnace for stirring; introducing pyrolyzed hot air into the heating clamp sleeve and the heating coil; and finally, introducing the oxidized hot air into the furnace to prepare the manganese dioxide. The device for producing the chemical manganese dioxide according to the above method comprises a kettle-shaped container; the heating clamp sleeve is arranged outside the kettle-shaped container; the kettle-shaped container is internally and successively provided with a stirring system of which the speed can be regulated, a heating coil pipe and a oxidizing gas distributor with main and secondary pipes, wherein, the heating clamp sleeve is communicated with the heating coil. By using the method and the device for producing chemical manganese dioxide, the stirred pyrolysis oxidation furnace with the heating clamp sleeve is utilized to produce the mechanical manganese dioxide, instead of a fluidized bed furnace, a fluidized bed and a rotary kiln, thus simplifying the process, lowering the energy consumption, and improving the pyrolysis conversion rate of the manganese carbonate to prepare high-purity manganese dioxide with good quality.
Description
Technical field
The present invention relates to a kind of method and device thereof of producing chemical manganese bioxide, especially a kind of method and device thereof of producing chemical manganese bioxide by manganous carbonate through pyrolysis.
Background technology
Chemical manganese bioxide is to make drying battery and ferritic main raw material, and is domestic at present usually with fluidizing furnace, fluidized-bed, and methods such as rotary kiln realize manganese carbonate pyrolysis inhibition and generation Manganse Dioxide.Aforesaid method and device thereof are like fluidizing furnace, fluidized-bed, and rotary kiln etc. all exist ME complicated, invest shortcomings such as big, that energy expenditure is high, and the manganese carbonate pyrolysis transformation efficiency is low.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method of producing chemical manganese bioxide; Produce chemical manganese bioxide with the stirring-type pyrolysis oxidized still that has heating jacket and replace using fluidizing furnace, fluidized-bed; Rotary kiln; Simplified technology, reduced energy consumption, improved the manganese carbonate pyrolysis transformation efficiency, the chemical manganese bioxide purity that makes is high; The present invention also provides the device of producing chemical manganese bioxide as stated above, uses this device just can accomplish the whole production manufacturing processed, and floor space is little, and is simple to operate.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is: a kind of method of producing chemical manganese bioxide, and it may further comprise the steps:
1) manganous carbonate added have heating jacket, in establish in the stirring-type pyrolysis oxidized still of heating coil, open and stir;
2) temperature is 400-500 ℃ pyrolysis warm air entering heating jacket and a heating coil, makes manganous carbonate intensification, pyrolysis;
3) temperature be in 400-500 ℃ the heat of oxidation air admission stirring-type pyrolysis oxidized still with the material oxidation, the pyrolysis oxidization time is 1-5 hour, makes chemical manganese bioxide.
Feed the pyrolysis warm air earlier, after temperature in the stove rises to 380 ± 5 ℃, feed heat of oxidation air again.
Produce the device of chemical manganese bioxide according to the method described above, comprise that the upper end is provided with big lid, the bottom is that the still of cone describes device; The cone base lower end offers discharge port; Cover greatly and offer opening for feed, still describes that device has heating jacket outward, and still describes the interior oxidizing gas sparger that upwards is provided with stirring system, heating coil and the band casing of adjustable speed from the bottom successively of device; Pyrolysis HAI Heated Air Intake pipe and pyrolysis warm air escape pipe are communicated with heating jacket respectively; Heating jacket is communicated with heating coil, and heat of oxidation air intake duct is communicated with the oxidizing gas sparger of band casing, covers greatly and is provided with heat of oxidation air escape pipe.
Heating jacket is made up of reaction kettle inner core and reaction kettle urceolus.
In the stirring system of adjustable speed, stirring rake is installed on still and describes the device inner bottom part, and the turning axle of stirring rake is connected with the step-down gear that is installed in still appearance device top.
Cover greatly and also offer thermometer hole and manhole.
A kind of method and device thereof of producing chemical manganese bioxide provided by the invention, beneficial effect is following:
1, heating jacket describes device to still, and heating coil directly describes the manganous carbonate heating in the device to still, has enough big heat transfer area, makes manganous carbonate rapidly by the intensification pyrolysis.
2, being stirred because of manganous carbonate; Can make manganous carbonate, the manganese monoxide after decomposing, the Manganse Dioxide after the oxidation mix, and guarantees that the pyrolysis warm air has good contact, the pyrolysis oxidation is more abundant; Reduce the resistance that gas rises simultaneously, helped the discharge of gas.
3, produce chemical manganese bioxide with the stirring-type pyrolysis oxidized still that has heating jacket and replace using fluidizing furnace, fluidized-bed, rotary kiln has improved the manganese carbonate pyrolysis transformation efficiency, and Manganse Dioxide content is high in the finished product that makes, and can reach 35-88%.
4, furnace body temperature guarantees temperature-stable in the stove by pyrolysis warm air control in the heating jacket, the mixing part adjustable speed, and required electric power is little, reduces power consumption, hear rate, has reduced running cost.
5, the whole production technological operation is simple, convenient, and pollution-free, the plant area area is little, need not complicated dust collecting system, is fit to large-scale continuous production.
6, can reduce heat of oxidation air and the time that material directly contacts, improve feed purity, feed the pyrolysis warm air earlier; After temperature in the stove rises to 380 ± 5 ℃; Feed heat of oxidation air again, satisfied manganese carbonate pyrolysis simultaneously, just can obtain the condition of high oxidation degree during the high vapour concentration of low temperature in the low vapour concentration of high temperature; Help improving the final transformation efficiency of product, guaranteed product gas purity.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Fig. 1 is the structural representation of apparatus of the present invention.
Embodiment
A kind of method of producing chemical manganese bioxide, it may further comprise the steps:
1) manganous carbonate added have heating jacket, in establish in the stirring-type pyrolysis oxidized still of heating coil 14, open and stir;
2) temperature is 400-500 ℃ pyrolysis warm air entering heating jacket and a heating coil 14, makes manganous carbonate intensification, pyrolysis;
3) temperature be in 400-500 ℃ the heat of oxidation air admission stirring-type pyrolysis oxidized still with the material oxidation, the pyrolysis oxidization time is 1-5 hour, makes chemical manganese bioxide, the content of its Manganse Dioxide is 35-88%.
Make the high chemical manganese bioxide of purity like need, then feed the pyrolysis warm air earlier, after temperature in the stove rises to 380 ± 5 ℃, feed heat of oxidation air again.
Device of the present invention is as shown in Figure 1; Produce the device of chemical manganese bioxide according to the method described above, it comprises that the upper end is provided with big lid 4, and the bottom is that the still of cone 8 describes device; Lower end, cone 8 bottom offers discharge port 9; Offer opening for feed 15 on the big lid 4, still describes that device has heating jacket outward, and still describes the interior oxidizing gas sparger 13 that upwards is provided with stirring system, heating coil 14 and the band casing of adjustable speed from the bottom successively of device; Pyrolysis HAI Heated Air Intake pipe 10 is communicated with heating jacket respectively with pyrolysis warm air escape pipe 7; Heating jacket is communicated with heating coil 14, and heat of oxidation air intake duct 12 is communicated with the oxidizing gas sparger 13 of band casing, covers 4 greatly and is provided with heat of oxidation air escape pipe 16.
Heating jacket is made up of reaction kettle inner core 5 and reaction kettle urceolus 6.
In the stirring system of adjustable speed, stirring rake 11 is installed on still and describes the device inner bottom part, and the turning axle of stirring rake 11 is connected with the step-down gear 1 that is installed in still appearance device top.
Also offer thermometer hole 2 and manhole 3 on the big lid 4.
During production, at first manganous carbonate is added still through opening for feed 15 and describe in the device, unlatching stirring rake 11; The speed of stirring rake 11 is by step-down gear 1 control; The feeding temperature is 400-500 ℃ a pyrolysis warm air in the analgesic air intake duct 10 of thermotropism, and the pyrolysis warm air gets into heating jackets through pyrolysis HAI Heated Air Intake pipe 10, gets into 14 pairs of manganous carbonates of heating coil again and heats; Make its intensification pyrolysis, the pyrolysis warm air is discharged by pyrolysis warm air escape pipe 7; In heat of oxidation air intake duct 12, feed the heat of oxidation air that contains water vapour; Heat of oxidation air gets in the still appearance device through the oxidizing gas sparger 13 that heat of oxidation air intake duct 12 gets into the band casing again; With the material oxidation; Make chemical manganese bioxide, still describes that heat of oxidation air rises to 16 discharges of heat of oxidation air escape pipe in the device.
The chemical manganese bioxide that makes is discharged from discharge port 9.
Claims (3)
1. device of producing chemical manganese bioxide; Comprise that the upper end is provided with big lid (4); The bottom is that the still of cone (8) describes device; Lower end, cone (8) bottom offers discharge port (9), offers opening for feed (15) on the big lid (4), it is characterized in that: still describes that device has heating jacket outward; Still describes the interior oxidizing gas sparger (13) that upwards is provided with stirring system, heating coil (14) and the band casing of adjustable speed from the bottom successively of device; Pyrolysis HAI Heated Air Intake pipe (10) and pyrolysis warm air escape pipe (7) are communicated with heating jacket respectively, and heating jacket is communicated with heating coil (14), and heat of oxidation air intake duct (12) is communicated with the oxidizing gas sparger (13) of band casing; Big lid (4) is provided with heat of oxidation air escape pipe (16), and heating jacket is made up of reaction kettle inner core (5) and reaction kettle urceolus (6); In the stirring system of adjustable speed, stirring rake (11) is installed on still and describes the device inner bottom part, and the turning axle of stirring rake (11) is connected with the step-down gear (1) that is installed in still appearance device top.
2. the device of production chemical manganese bioxide according to claim 1 is characterized in that: also offer thermometer hole (2) and manhole (3) on the big lid (4).
3. utilize the method for the device manufacturing Manganse Dioxide of the described production chemical manganese bioxide of the arbitrary right of claim 1-2, it is characterized in that: it may further comprise the steps:
1) manganous carbonate added have heating jacket, in establish in the stirring-type pyrolysis oxidized still of heating coil (14), open and stir;
2) temperature is 400-500 ℃ pyrolysis warm air entering heating jacket and a heating coil (14), makes manganous carbonate intensification, pyrolysis;
3) temperature be in 400-500 ℃ the heat of oxidation air admission stirring-type pyrolysis oxidized still with the material oxidation, the pyrolysis oxidization time is 1-5 hour, makes chemical manganese bioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010551438A CN102040247B (en) | 2010-11-20 | 2010-11-20 | Method and device for producing chemical manganese dioxide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010551438A CN102040247B (en) | 2010-11-20 | 2010-11-20 | Method and device for producing chemical manganese dioxide |
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| CN102040247A CN102040247A (en) | 2011-05-04 |
| CN102040247B true CN102040247B (en) | 2012-10-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105890346B (en) * | 2015-01-16 | 2018-05-25 | 张寅� | Countercurrent flow manganese dioxide reduces rotary kiln |
| CN109231277B (en) * | 2018-11-20 | 2020-05-08 | 常州市卓群纳米新材料有限公司 | A method of making a D50: preparation method and application of manganese dioxide particles with particle size of 30-35 mu m |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323745A (en) * | 2000-05-11 | 2001-11-28 | 湖南化工研究院 | Method and equipment of producing chemical pure manganese dioxide |
| CN201873537U (en) * | 2010-11-20 | 2011-06-22 | 湖北开元化工科技股份有限公司 | Chemical manganese dioxide production unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86101482B (en) * | 1986-02-27 | 1988-06-01 | 刘甲秋 | Psilomelane prepares the method and the device of electroactive manganese dioxide powder |
| CN1003369B (en) * | 1987-01-12 | 1989-02-22 | 湖南省冶金规划设计院 | Method and equipment of manganese dioxide prodn. by pyrolyzing manganese carbonate |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323745A (en) * | 2000-05-11 | 2001-11-28 | 湖南化工研究院 | Method and equipment of producing chemical pure manganese dioxide |
| CN201873537U (en) * | 2010-11-20 | 2011-06-22 | 湖北开元化工科技股份有限公司 | Chemical manganese dioxide production unit |
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Effective date of registration: 20230913 Address after: 443200 Yaojiagang Fine Chemical Park, Dongshi Town, Zhijiang City, Yichang City, Hubei Province Patentee after: HUBEI HAOYUAN MATERIAL TECHNOLOGY Co.,Ltd. Address before: No. 2, Shibeishan Road, Economic and Technological Development Zone, Zhijiang City, Yichang City, Hubei Province, 443200 Patentee before: HUBEI KAIYUAN CHEMICALS & TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A method and device for producing chemical manganese dioxide Granted publication date: 20121024 Pledgee: Agricultural Bank of China Limited Zhijiang sub branch Pledgor: HUBEI HAOYUAN MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2024980006205 |
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