CN108609654A - Superfine antimony trioxide production technology - Google Patents
Superfine antimony trioxide production technology Download PDFInfo
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- CN108609654A CN108609654A CN201810943332.1A CN201810943332A CN108609654A CN 108609654 A CN108609654 A CN 108609654A CN 201810943332 A CN201810943332 A CN 201810943332A CN 108609654 A CN108609654 A CN 108609654A
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- antimony
- air
- antimony oxide
- production technology
- superfine
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G30/00—Compounds of antimony
- C01G30/004—Oxides; Hydroxides; Oxyacids
- C01G30/005—Oxides
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses the present invention provides a kind of superfine antimony trioxide production technology, include the following steps：Step A:Qualified star metal ingot is put into and carries out high temperature melting in stibium trioxide stove, and air is blasted by air blower, antimony liquid is made to be in strong fluidized state, generates gaseous state antimony oxide, antimony liquid reacts with air：4Sb+3O2=2Sb2O3, while non-reacted parts can exist in the form of bottom antimony and dross；Step B:Gaseous state Sb2O3Condensation of meeting with large quantity of air at the flue gas quenching equipment of furnace roof forms flue dust shape antimony oxide, and flue dust shape antimony oxide carries out the cooling and sedimentation of flue dust by the cold dust arrester installation of table；Step C:Antimony oxide after cooling and sedimentation is collected by bag collection, and collected particle is antimony oxide finished product, and is tested to finished product；Step D:Finished product pack is packed, and smelting again is returned to defective work.The antimony oxide average diameter grain of this technique productions can be less than 0.6 μm, and winestone acid non-soluble substance is less than 0.05%.
Description
Technical field
The present invention relates to antimony oxide preparing technical fields, and in particular to a kind of superfine antimony trioxide production technology.
Background technology
Synergist of the antimony oxide as fire retardant, the catalyst of pet reaction are widely used in plastics, rubber, spinning
It knits, chemical fibre industry；And be used widely in manufacturing industry such as pigment, paint, electronics, glass, as flame retardant synergist, it is added
Granularity is thinner in product, and then evenly, fire retardant acts on more notable, the physical properties such as anti-Beating Strength original to product for dispersion
Influence is smaller, is used for plastic products, can play fire retardation, and for being catalyzed, grain size is smaller, and reaction is more abundant, rapid, complete,
And production cost can be reduced, it is applied to industrial antimony oxide technique majority and is produced for pyrogenic process indirect method, grain size exists
Between 0.7-1.3 μm, and grain size is less than 0.5 μm and is mainly made by plasma method, and such preparation method cost is high, because
This, the antimony oxide as ultra-fine diameter grain is made in how inexpensive mode becomes the project for being badly in need of studying now.
Invention content
The purpose of the present invention is to provide a kind of superfine antimony trioxide production technology, the antimony oxides of this technique productions
Average diameter grain can be less than 0.6 μm, and winestone acid non-soluble substance is less than 0.05%, and process is easy, production cost is relatively low.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of superfine antimony trioxide production technology, includes the following steps：
Step A:Qualified star metal ingot is put into and carries out high temperature melting in stibium trioxide stove, and air is blasted by air blower, makes antimony
Liquid is in strong fluidized state, and exothermic heat of reaction is enough to maintain in-furnace temperature, make antimony fusing and oxidation reaction with gas self-heating into
Row, generates gaseous state antimony oxide, and antimony liquid reacts with air：4Sb+3O2=2Sb2O3, non-reacted parts can be with bottom antimony and floating
The form of slag exists；
Step B:Gaseous state Sb2O3At the flue gas quenching equipment of furnace roof flue dust shape three is formed with large quantity of air condensation of meeting
Two antimony are aoxidized, flue dust shape antimony oxide carries out the cooling and sedimentation of flue dust by the cold dust arrester installation of table；
Step C:Antimony oxide after cooling and sedimentation is collected by bag collection, and collected particle is three oxidations
Two antimony finished products, and test to finished product；
Step D:Finished product pack is packed, and smelting again is returned to defective work.
Further, the air force blasted in step is：160-200m3/h。
Further, the bottom antimony and dross generated in step A, which again returns in stibium trioxide stove, to be smelted.
Further, the air force of flue gas quenching equipment is 100-140m in stepb3/h。
Further, the temperature in step C in bag collection controls within the scope of 130-170oC.
Compared with prior art, the beneficial effects of the invention are as follows：
Antimony oxide average diameter grain made from this technique can reach 0.6 μm hereinafter, winestone acid non-soluble substance is less than 0.05%, and this
The production technology that invention provides is carried out on existing stibium trioxide stove, has the characteristics that process control is easy, product purity is higher, and
Various energy consumptions are reduced, production cost is greatly reduced.
Description of the drawings
Fig. 1 is present invention process flow chart.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment 1：
The present invention provides a kind of superfine antimony trioxide production technologies, include the following steps：
Step A:Qualified star metal ingot is put into and carries out high temperature melting in stibium trioxide stove, and air is blasted by air blower, makes antimony
Liquid is in strong fluidized state, generates gaseous state antimony oxide, and antimony liquid reacts with air：4Sb+3O2=2Sb2O3, simultaneously
Non-reacted parts can exist in the form of bottom antimony and dross, and can return to stibium trioxide stove for bottom antimony and dross refines again, walks herein
In rapid, the air quantity blasted is 160m3/h；
Step B:Gaseous state Sb2O3At the flue gas quenching equipment of furnace roof flue dust shape three is formed with large quantity of air condensation of meeting
Two antimony are aoxidized, flue dust shape antimony oxide carries out the cooling and sedimentation of flue dust, in this step, flue gas by the cold dust arrester installation of table
The air force of quenching equipment is：100m3/h；
Step C:Antimony oxide after cooling and sedimentation is collected by bag collection, and the temperature control in bag collection exists
Particle collected by 130oC is antimony oxide finished product, and is tested to finished product；
Step D:Finished product pack is packed, and smelting again is returned to defective work.
Embodiment 2：
The present invention provides a kind of superfine antimony trioxide production technologies, include the following steps：
Step A:Qualified star metal ingot is put into and carries out high temperature melting in stibium trioxide stove, and air is blasted by air blower, makes antimony
Liquid is in strong fluidized state, generates gaseous state antimony oxide, and antimony liquid reacts with air：4Sb+3O2=2Sb2O3, simultaneously
Non-reacted parts can exist in the form of bottom antimony and dross, and can return to stibium trioxide stove for bottom antimony and dross refines again, walks herein
In rapid, the air quantity blasted is 180m3/h；
Step B:Gaseous state Sb2O3At the flue gas quenching equipment of furnace roof flue dust shape three is formed with large quantity of air condensation of meeting
Two antimony are aoxidized, flue dust shape antimony oxide carries out the cooling and sedimentation of flue dust, in this step, flue gas by the cold dust arrester installation of table
The air force of quenching equipment is：120m3/h；
Step C:Antimony oxide after cooling and sedimentation is collected by bag collection, and the temperature control in bag collection exists
Particle collected by 150oC is antimony oxide finished product, and is tested to finished product；
Step D:Finished product pack is packed, and smelting again is returned to defective work.
Embodiment 3：
The present invention provides a kind of superfine antimony trioxide production technologies, include the following steps：
Step A:Qualified star metal ingot is put into and carries out high temperature melting in stibium trioxide stove, and air is blasted by air blower, makes antimony
Liquid is in strong fluidized state, generates gaseous state antimony oxide, and antimony liquid reacts with air：4Sb+3O2=2Sb2O3, simultaneously
Non-reacted parts can exist in the form of bottom antimony and dross, and can return to stibium trioxide stove for bottom antimony and dross refines again, walks herein
In rapid, the air quantity blasted is 200m3/h；
Step B:Gaseous state Sb2O3At the flue gas quenching equipment of furnace roof flue dust shape three is formed with large quantity of air condensation of meeting
Two antimony are aoxidized, flue dust shape antimony oxide carries out the cooling and sedimentation of flue dust, in this step, flue gas by the cold dust arrester installation of table
The air force of quenching equipment is：140m3/h；
Step C:Antimony oxide after cooling and sedimentation is collected by bag collection, and the temperature control in bag collection exists
Particle collected by 170oC is antimony oxide finished product, and is tested to finished product；
Step D:Finished product pack is packed, and smelting again is returned to defective work.
It is sampled analysis for the antimony oxide that embodiment 2- embodiments 4 produce, analysis data can see the table below：
| Diameter grain（μm） | Winestone acid non-soluble substance（%） | |
| Embodiment 1 | 0.66 | 0.05 |
| Embodiment 2 | 0.6 | 0.035 |
| Embodiment 3 | 0.48 | 0.03 |
According to upper table it is found that the antimony oxide average diameter grain produced in above-described embodiment can reach 0.6 μm or so, and winestone
The content of acid non-soluble substance is again smaller than 0.05%, and technique provided by the invention is relatively stable, and cost is relatively low.
" one embodiment ", " another embodiment ", " embodiment ", " preferred implementation spoken of in the present specification
Example " etc. refers to that specific features, structure or the feature of embodiment description is combined to be included in the description of the application generality extremely
In few one embodiment.It is not centainly to refer to the same embodiment that statement of the same race, which occur, in multiple places in the description.Into one
For step, when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is to combine other implementations
Example realizes that this feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations will be fallen in this Shen
It please be within disclosed scope and spirit.More specifically, disclose in the application, drawings and claims in the range of, can
With to theme combination layout building block or layout carry out various deformation and improvement.In addition to what is carried out to building block or layout
Outside modification and improvement, to those skilled in the art, other purposes also will be apparent.
Claims (5)
1. a kind of superfine antimony trioxide production technology, it is characterised in that：Include the following steps：
Step A:Qualified star metal ingot is put into and carries out high temperature melting in stibium trioxide stove, and air is blasted by air blower, makes antimony
Liquid is in strong fluidized state, generates gaseous state antimony oxide, and antimony liquid reacts with air：4Sb+3O2=2Sb2O3, simultaneously
Non-reacted parts can exist in the form of bottom antimony and dross；
Step B:Gaseous state Sb2O3At the flue gas quenching equipment of furnace roof three oxygen of flue dust shape is formed with large quantity of air condensation of meeting
Change two antimony, flue dust shape antimony oxide carries out the cooling and sedimentation of flue dust by the cold dust arrester installation of table；
Step C:Antimony oxide after cooling and sedimentation is collected by bag collection, and collected particle is three oxidations
Two antimony finished products, and test to finished product；
Step D:Finished product pack is packed, and smelting again is returned to defective work.
2. a kind of superfine antimony trioxide production technology according to claim 1, it is characterised in that：It blasts in step
Air force be：160-200m3/h。
3. a kind of superfine antimony trioxide production technology according to claim 1, it is characterised in that：It is generated in step A
Bottom antimony and dross, which again return in stibium trioxide stove, to be smelted.
4. a kind of superfine antimony trioxide production technology according to claim 1, it is characterised in that：Flue gas in stepb
The air force of quenching equipment is 100-140m3/h。
5. a kind of superfine antimony trioxide production technology according to claim 1, it is characterised in that：Cloth bag is received in step C
Temperature in dirt controls within the scope of 130-170oC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810943332.1A CN108609654A (en) | 2018-08-17 | 2018-08-17 | Superfine antimony trioxide production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810943332.1A CN108609654A (en) | 2018-08-17 | 2018-08-17 | Superfine antimony trioxide production technology |
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| Publication Number | Publication Date |
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| CN108609654A true CN108609654A (en) | 2018-10-02 |
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| CN201810943332.1A Pending CN108609654A (en) | 2018-08-17 | 2018-08-17 | Superfine antimony trioxide production technology |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230618A (en) * | 1985-08-01 | 1987-02-09 | Sumitomo Metal Mining Co Ltd | Production of antimony trioxide powder |
| CN1339612A (en) * | 2000-08-18 | 2002-03-13 | 夏延波 | Process for directly producing super fine antimony trioxide by volatilizing smelting in blast furnace and its special equipment |
| CN1873061A (en) * | 2006-04-27 | 2006-12-06 | 王涛 | Method for producing grain sizes even distributed antimony trioxide in single crystal type, and equipment |
| CN106698513A (en) * | 2017-01-09 | 2017-05-24 | 上海深化实业有限公司 | Method for preparing antimonous oxide ultrafine powder |
-
2018
- 2018-08-17 CN CN201810943332.1A patent/CN108609654A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230618A (en) * | 1985-08-01 | 1987-02-09 | Sumitomo Metal Mining Co Ltd | Production of antimony trioxide powder |
| CN1339612A (en) * | 2000-08-18 | 2002-03-13 | 夏延波 | Process for directly producing super fine antimony trioxide by volatilizing smelting in blast furnace and its special equipment |
| CN1873061A (en) * | 2006-04-27 | 2006-12-06 | 王涛 | Method for producing grain sizes even distributed antimony trioxide in single crystal type, and equipment |
| CN106698513A (en) * | 2017-01-09 | 2017-05-24 | 上海深化实业有限公司 | Method for preparing antimonous oxide ultrafine powder |
Non-Patent Citations (2)
| Title |
|---|
| 唐仕祥: "三氧化二锑粒度的控制", 《湖南有色金属》 * |
| 孙传尧: "《选矿工程师手册 第2册》", 31 March 2015, 冶金工业出版社 * |
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Application publication date: 20181002 |