CN102909392A - Atomization and pyrolysis equipment for carbonyl iron powders - Google Patents
Atomization and pyrolysis equipment for carbonyl iron powders Download PDFInfo
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- CN102909392A CN102909392A CN2011102246835A CN201110224683A CN102909392A CN 102909392 A CN102909392 A CN 102909392A CN 2011102246835 A CN2011102246835 A CN 2011102246835A CN 201110224683 A CN201110224683 A CN 201110224683A CN 102909392 A CN102909392 A CN 102909392A
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- pyrolysis
- carbonyl iron
- atomization
- atomizing
- iron dust
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Abstract
The invention discloses an atomization and pyrolysis technology for carbonyl iron powders and is characterized in that atomization and pyrolysis equipment comprises a pentacarbonyl iron storage device, a pyrolysis device, a collecting device and an after-treatment device sequentially connected together, wherein an atomizing nozzle device is arranged at the top inlet of the pyrolysis device. The atomization and pyrolysis equipment is designed based on the liquid atomization and vaporization pyrolysis theory, and the evaporator required by the traditional vaporization pyrolysis technology is eliminated, so that the problem of frequent cleaning of the vaporizer in the production process is fundamentally solved. The atomization and pyrolysis technology has the characteristic of high operating flexibility, and can realize the purpose of randomly controlling the shape and grain size of the powder through adjustment of technological parameters, which cannot be realized in the traditional process.
Description
Technical field
The present invention relates to a kind of employing atomised form and liquid iron pentacarbonyl is sprayed into pyrolysis installation carry out pyrolysis, device and the technology of preparation carbonyl iron dust belong to chemical technology field, particularly a kind of carbonyl iron dust atomizing pyrolysis plant.
Background technology
Carbonyl iron dust is widely used in the fields such as metallurgy, chemical industry, electronics, military affairs as the basic material with property.Preparation process is sponge iron and CO gas synthesizing iron pentacarbonyl under high temperature, high pressure, and iron pentacarbonyl through adding thermal decomposition, produces carbonyl iron dust and carbon monoxide under specific condition.The carbonyl iron dust of preparation has widely practicality because having the characteristics such as particle diameter is little, iron purity is high, outward appearance is spherical in shape, Electronic Performance is good.
In the preparation process of existing carbonyl iron dust, need to carry out high-temperature evaporation to the iron pentacarbonyl that passes into pyrolysis reactor, because the decomposition temperature of iron pentacarbonyl is 58 ℃, boiling point is 104 ℃, cause iron pentacarbonyl to decompose in a large number at vaporescence, form to need scabbing of cleaning at evaporimeter, blocking pipe, affect the cycle of operation and cause the accident, the decomposition of iron pentacarbonyl also causes very large waste.The clean expander of stopping frequently causes again repeatedly switched system, technological fluctuation, and pyrolytic process can not be carried out under steady temperature and condition, causes product cut size excessive, product purity and Quality Down.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of carbonyl iron dust atomizing pyrolysis plant, adopt the atomization of liquid, vaporization pyrolysis, to vaporize and finish with pyrolysis step in reaction unit, and can control arbitrarily shape and the particle diameter of carbonyl iron dust, product purity is high, steady quality.
The present invention realizes by following technical scheme:
A kind of carbonyl iron dust atomizing pyrolysis plant comprises the iron pentacarbonyl storage device, pyrolysis installation, gathering-device and the after-treatment device that connect successively; Porch, described pyrolysis installation top arranges atomizing nozzle device.
Described iron pentacarbonyl storage device connects measuring pump and desalted water storage tank successively.
Also be connected filter between described iron pentacarbonyl storage tank and the atomizer.
Described atomizing nozzle device is connection traffic meter and ammonia surge tank successively.
Described iron pentacarbonyl storage device top also connects nitrogen pipeline.
Described after-treatment device is dividing plate separator and the bag hose that is connected in turn behind the pyrolysis installation.
Described gathering-device has three, is installed in respectively pyrolysis installation, dividing plate separator and bag hose bottom.
Beneficial effect of the present invention is: the present invention is based on the atomization of liquid, the analgesic principle of vaporization designs, and has cancelled the vapourizing unit before traditional pyrolysis installation, has fundamentally solved the problem of frequent cleaning vapourizing unit in the production process; This device can also be by the adjustment of technological parameter, reaches that traditional handicraft can't realize, controls arbitrarily the purpose of powder shape and particle diameter.
Description of drawings
Fig. 1 is structural representation of the present invention
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Such as Fig. 1, it is structural representation of the present invention, comprise the desalted water storage tank 1, measuring pump 2, iron pentacarbonyl storage tank 3, filter 11, atomizer 13, pyrolysis oven 5, dividing plate separator 7 and the bag hose 9 that connect successively, pyrolysis oven 5, dividing plate separator 7 and bag hose 9; The bottom connects respectively the first collector 6, the second collector 8, the 3rd collector 10; Pyrolysis oven 5 is connection traffic meter 12, ammonia surge tank 4 successively; Pyrolysis oven 5 also connects nitrogen pipeline.
Workflow of the present invention is: the desalted water that injects desalted water storage tank 1 is pressed into iron pentacarbonyl storage tank 3 by measuring pump 2, extrusion with the pentacarbonyl iron powder of volume by behind the filter 11, atomize, spray into the pyrolysis oven 5 of crossing with nitrogen replacement through atomizer 13, the heating vaporization is decomposed under ammonia atmosphere, generation needs carbonyl iron dust and the CO gas of particle diameter, the larger iron powder of part particle diameter enters the first collector 6, the residue iron powder carries out separating of iron powder and gas with gas by dividing plate separator 7, the iron powder that separates falls into the second collector 8, remain micro-iron powder and CO gas and finally enter bag hose 9, carbon monoxide reclaims, and finally remains iron powder and falls into the 3rd collector 10.
Claims (7)
1. a carbonyl iron dust atomizing pyrolysis plant is characterized in that comprising the iron pentacarbonyl storage device, pyrolysis installation, gathering-device and the after-treatment device that connect successively; Porch, described pyrolysis installation top arranges atomizing nozzle device.
2. such as right 1 described carbonyl iron dust atomizing pyrolysis plant, it is characterized in that described iron pentacarbonyl storage device connects measuring pump and desalted water storage tank successively.
3. such as the described carbonyl iron dust atomizing of right 1 pyrolysis plant, it is characterized in that also being connected filter between described iron pentacarbonyl storage tank and the atomizer.
4. such as right 1 described carbonyl iron dust atomizing pyrolysis plant, it is characterized in that described atomizing nozzle device successively connection traffic meter and ammonia surge tank.
5. such as right 1 described carbonyl iron dust atomizing pyrolysis plant, it is characterized in that described iron pentacarbonyl storage device top also connects nitrogen pipeline.
6. such as the described carbonyl iron dust atomizing of right 1 pyrolysis plant, it is characterized in that described after-treatment device is dividing plate separator and the bag hose that is connected in turn behind the pyrolysis installation.
7. such as right 6 described carbonyl iron dust atomizing pyrolysis plants, it is characterized in that described gathering-device has three, be installed in respectively pyrolysis installation, dividing plate separator and bag hose bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110224683.5A CN102909392B (en) | 2011-08-05 | 2011-08-05 | Carbonyl iron dust atomization pyrolysis plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110224683.5A CN102909392B (en) | 2011-08-05 | 2011-08-05 | Carbonyl iron dust atomization pyrolysis plant |
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| CN102909392A true CN102909392A (en) | 2013-02-06 |
| CN102909392B CN102909392B (en) | 2016-02-17 |
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| CN201110224683.5A Active CN102909392B (en) | 2011-08-05 | 2011-08-05 | Carbonyl iron dust atomization pyrolysis plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103951131A (en) * | 2014-04-28 | 2014-07-30 | 太原理工大学 | Pyrolysis device for processing desulfurization waste liquid in partial oxidation environment |
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| CN85100669A (en) * | 1985-04-01 | 1986-07-16 | 冶金部钢铁研究总院 | The reparation technology of superfine iron carbonyl powder |
| CN1040932A (en) * | 1988-09-08 | 1990-04-04 | 清华大学 | Ultrasonic atomizing preparation of superfine powder |
| US20020189401A1 (en) * | 2001-05-30 | 2002-12-19 | Minoru Takaya | Method for manufacturing magnetic metal powder, and magnetic metal powder |
| CN2858132Y (en) * | 2005-12-20 | 2007-01-17 | 江苏天一超细金属粉末有限公司 | Five-carbonyl iron pyrolysis furnace with mixing device |
| CN101091990A (en) * | 2007-07-13 | 2007-12-26 | 李上奎 | Method for preparing superfine carbonyl iron powder in use for high performance magnetic powder core |
| CN201031206Y (en) * | 2006-12-18 | 2008-03-05 | 天津理工大学 | Aerosol atomising device |
| CN201053029Y (en) * | 2007-06-13 | 2008-04-30 | 华中科技大学 | Automatic powder-feeding laser induction composite smelting and coating device |
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2011
- 2011-08-05 CN CN201110224683.5A patent/CN102909392B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100669A (en) * | 1985-04-01 | 1986-07-16 | 冶金部钢铁研究总院 | The reparation technology of superfine iron carbonyl powder |
| CN1040932A (en) * | 1988-09-08 | 1990-04-04 | 清华大学 | Ultrasonic atomizing preparation of superfine powder |
| US20020189401A1 (en) * | 2001-05-30 | 2002-12-19 | Minoru Takaya | Method for manufacturing magnetic metal powder, and magnetic metal powder |
| CN2858132Y (en) * | 2005-12-20 | 2007-01-17 | 江苏天一超细金属粉末有限公司 | Five-carbonyl iron pyrolysis furnace with mixing device |
| CN201031206Y (en) * | 2006-12-18 | 2008-03-05 | 天津理工大学 | Aerosol atomising device |
| CN201053029Y (en) * | 2007-06-13 | 2008-04-30 | 华中科技大学 | Automatic powder-feeding laser induction composite smelting and coating device |
| CN101091990A (en) * | 2007-07-13 | 2007-12-26 | 李上奎 | Method for preparing superfine carbonyl iron powder in use for high performance magnetic powder core |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103951131A (en) * | 2014-04-28 | 2014-07-30 | 太原理工大学 | Pyrolysis device for processing desulfurization waste liquid in partial oxidation environment |
| CN103951131B (en) * | 2014-04-28 | 2015-07-01 | 太原理工大学 | Pyrolysis device for processing desulfurization waste liquid in partial oxidation environment |
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| CN102909392B (en) | 2016-02-17 |
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Effective date of registration: 20170119 Address after: 713100 Shaanxi city of Xingping province Dongcheng District Yingbin Avenue Patentee after: Shaanxi Xinghua Group Co.,Ltd. Address before: 713100 Xinghua, Shaanxi, Shaanxi,,, Limited by Share Ltd Patentee before: Shaanxi Xinghua Chemical Co.,Ltd. |