CN101780975B - Production line for preparing tin oxide - Google Patents
Production line for preparing tin oxide Download PDFInfo
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- CN101780975B CN101780975B CN2010101398164A CN201010139816A CN101780975B CN 101780975 B CN101780975 B CN 101780975B CN 2010101398164 A CN2010101398164 A CN 2010101398164A CN 201010139816 A CN201010139816 A CN 201010139816A CN 101780975 B CN101780975 B CN 101780975B
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- oxidation
- glass putty
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- tin oxide
- primary oxidation
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Abstract
The invention provides a production line for preparing tin oxide, which sequentially comprises a liquid tin oxidization device used to primarily oxidize liquid tin to prepare primary tin oxide powder, a primary tin oxide powder collection device used to collect the primary tin oxide powder discharged from the liquid tin oxidization device, a primary tin oxide powder screening device used to screen the primary tin oxide powder collected by the primary tin oxide powder collection device, a primary tin oxide powder conveyer used to convey the primary tin oxide powder screened by the primary tin oxide powder screening device, and a primary tin oxide powder oxidizing device used to oxidize the primary tin oxide powder conveyed by the primary tin oxide powder conveyer to prepare the finished product tin oxide. Compared with the nitric acid oxidation method in the prior art, the invention continuously produces tin oxide through a dry method, thereby reducing waste gas emission, the water washing drying procedure of the product as well as the fuel and manual cost.
Description
Technical field
The present invention relates to the preparation process of stannic oxide, be specifically related to a kind of production line that is used to prepare stannic oxide.
Background technology
The application of tindioxide in industry is very extensive, and for example, stannic oxide electrode can be used for the melting and the electrolyzing aluminum industry industry of high-grade opticglass.In addition, tindioxide can also be used for enamel and electromagnetic material, and also is widely used at the aspects such as polishing agent of making opaque glass, pink salt, ceramic colorant, fabric mordant, weighting agent, steel and glass.In the prior art, the method for preparing stannic oxide has nitric acid oxidation method and intermittent type high temperature direct oxidation method, and wherein nitric acid oxidation method is one of the method more widely of using in industry at present.But nitric acid oxidation method produces a large amount of oxides of nitrogen gas in process of production, and is seriously polluted; And nitric acid oxidation method belongs to wet production, therefore need operations such as drying, calcining aborning, so energy consumption is also bigger.Compare with nitric acid oxidation method,,, produced a large amount of thermal losses, and influenced the quality of product because production is discontinuous though intermittent type high temperature direct oxidation method has solved the dusty gas problem in producing.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of production line that is used to prepare stannic oxide, can reduce exhaust gas emission by this production line, realizes the continuous production of stannic oxide with less operation.
In order to solve the problems of the technologies described above, the invention provides a kind of production line that is used to prepare stannic oxide, comprising:
The tin liquor oxidation unit is used for that tin liquor is carried out primary oxidation and prepares the primary oxidation glass putty;
Primary oxidation glass putty collection device is used for collecting the primary oxidation glass putty of being discharged by described tin liquor oxidation unit;
Primary oxidation glass putty screening plant is used for the primary oxidation glass putty that described primary oxidation glass putty collection device is collected is sieved;
Primary oxidation glass putty e Foerderanlage is used to carry the primary oxidation glass putty through described primary oxidation glass putty screening plant screening;
Primary oxidation glass putty oxidation unit is used for that the primary oxidation glass putty of being carried by described primary oxidation glass putty e Foerderanlage is carried out oxidation and prepares finished product stannic oxide.
Preferably, described tin liquor oxidation unit comprises:
Outside furnace shell;
Be arranged on the inner shell that is used for the splendid attire tin liquor in the described outside furnace shell, form the combustion chamber between described outside furnace shell and the inner shell, in described combustion chamber, burner is installed;
The whipping appts that is used to stir tin liquor, the blast orifice that is used for blasting gas in inner shell, the charging opening that adds materials, temperature measuring equipment are installed in described inner shell;
Described tin liquor oxidation unit also comprises the primary oxidation glass putty drawing mechanism that is connected with described inner shell, with the fume extractor that is connected with described combustion chamber.
Preferably, described primary oxidation glass putty e Foerderanlage comprise the e Foerderanlage housing that is connected with described primary oxidation glass putty screening plant, the storage bin that is connected with the discharge port of described e Foerderanlage housing, with the charging blower fan that described storage bin bottom is connected, in described e Foerderanlage housing, be provided with and be used to promote material progressive screw rod.
Preferably, described storage bin is specially taper self-discharging type storage bin.
Preferably, described primary oxidation glass putty oxidation unit comprises:
The vertical fixed first oxidation cylindrical shell, the burner that is arranged on described first oxidation cylindrical shell bottom, the gas blower that is connected with the described first oxidation cylindrical shell bottom.
Preferably, also comprise the stannic oxide refrigerating unit that is connected with the top of the described first oxidation cylindrical shell, described stannic oxide refrigerating unit is connected by airduct with the described first oxidation cylindrical shell.
Preferably, described stannic oxide refrigerating unit is specially winnowing machine.
Preferably, described primary oxidation glass putty screening plant is specially the dustless sifting machine of stainless steel.
Preferably, also comprise the putty powder collection device that is connected with described primary oxidation glass putty oxidation unit.
Preferably, also comprise the tin liquor smelting apparatus that is arranged on before the described tin liquor oxidation unit
The invention provides a kind of production line that is used to prepare stannic oxide, comprise tin liquor oxidation unit, primary oxidation glass putty collection device, primary oxidation glass putty screening plant, primary oxidation glass putty e Foerderanlage, primary oxidation glass putty oxidation unit successively.Compare with nitric acid oxidation method of the prior art, the present invention has reduced exhaust gas emission by dry method continuous production stannic oxide, has reduced the washing baking operation of product, has reduced fuel and cost of labor.
Description of drawings
Fig. 1 is the front view of preparation stannic oxide production line provided by the invention;
Fig. 2 is the side-view of stannic oxide production line shown in Figure 1;
Fig. 3 is the synoptic diagram of the tin liquor smelting furnace in the stannic oxide production line shown in Figure 1;
Fig. 4 is the tin liquor primary oxidation device front view in the described stannic oxide production line of Fig. 1;
Fig. 5 is the side-view of tin liquor primary oxidation device shown in Figure 4;
Fig. 6 is primary oxidation glass putty oxidation unit and the stannic oxide refrigerating unit synoptic diagram in the stannic oxide production line shown in Figure 1.
Embodiment
In order further to understand the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, but should be appreciated that these describe just to further specifying the features and advantages of the present invention, rather than to the restriction of claim of the present invention.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the front view of a kind of embodiment of preparation stannic oxide production line provided by the invention, and Fig. 2 is the side-view of preparation stannic oxide production line shown in Figure 1.As shown in Figure 1, in the present embodiment, described production line comprises tin liquor smelting apparatus 11 successively, and this tin liquor smelting apparatus is used for metallic tin is smelted into liquid tin.
What be arranged on tin liquor smelting apparatus back is tin liquor oxidation unit 12, and in this tin liquor oxidation unit, tin liquor is changed into stannic oxide by partial oxygen, is dispersed into tiny powder simultaneously, and the composition of powder comprises glass putty and putty powder.
What be arranged on tin liquor oxidation unit back is primary oxidation glass putty collection device 13, be used to collect primary oxidation glass putty through the oxidation of described tin liquor oxidation unit, this primary oxidation glass putty is admitted to the primary oxidation glass putty screening plant 14 that is arranged on primary oxidation glass putty collection device back and sieves, the tin powder that particle is bigger is sent back to be smelted into tin liquor in the tin liquor smelting apparatus 11 again or to be sent back in the tin liquor oxidation unit 12 and is carried out primary oxidation again.
Be transported to by the primary oxidation glass putty e Foerderanlage 15 that is arranged on primary oxidation glass putty screening plant back through the qualified more short grained primary oxidation glass putty of primary oxidation glass putty screening plant 14 screening and carry out secondary oxidation in the primary oxidation glass putty oxidation unit 16 and prepare finished product stannic oxide.
See also Fig. 3, be tin liquor smelting apparatus synoptic diagram among Fig. 1, described tin liquor smelting apparatus is also referred to as the tin slab smelting furnace, its objective is solid tin is fused into liquid tin, in the present embodiment, the tin slab smelting furnace comprises and is stove casing 11a cylindraceous, stove casing 11a is welded by the carbon steel steel plate, external diameter is preferably Φ 600mm-Φ 1200mm, highly be preferably 500mm-1000, in stove casing 11a inside is the melting pot 11b that is welded by the double-layer stainless steel steel plate, and adopting stainless steel is to introduce impurity in order to prevent when tin liquor melts as the purpose of melting pot.Melting pot internal diameter is preferably Φ 400mm-Φ 1000mm, highly is 700mm-1200mm, and the bottom is semicircle sphere shape.Cavity between melting pot 11b and the stove casing 11a diapire is the combustion chamber, in the combustion chamber, be provided with the first liquefied gas burner 11c, the combustion chamber also is connected with fume extractor 11e, and by the cotton 11d of fire resistant heat preserving, the cotton thickness of fire resistant heat preserving is preferably 150mm-300mm in the inboard setting of stove casing 11a; Described tin slab smelting furnace also comprises temperature measuring equipment 11f well known to those skilled in the art and necessary control system (not shown), is used to control the smelting temperature of tin liquor.It is to be noted, above-mentioned parameter for stove casing 11a and melting pot 11b, the present invention is also without particular limitation, can design according to needs of production, all can realize purpose of the present invention, in the present embodiment, stove casing external diameter is 800mm, highly be 900mm, melting pot internal diameter is 600mm, highly is 700mm.
See also Fig. 4 and Fig. 5, be the front view of the tin liquor oxidation unit among Fig. 4 and Fig. 2, Fig. 5 is the side-view of the tin liquor oxidation unit among Fig. 2.In the present embodiment, the tin liquor oxidation unit comprises the outer hull 12a and the inner shell 12b that is arranged on the intravital stainless steel of described external shell by the welding of carbon steel steel plate, wherein the bottom of inner shell 12b is a semi-cylindrical, but be not limited thereto, purpose is for the agitator 12c of level is set, and described agitator 12 is used to stir tin liquor.On inner shell 12b, also be provided with by blast orifice 12d, tin liquor charging opening 12e, metal oxide expelling tube 12f, wherein blast orifice 12d is used for blasting air with the tin liquor oxidation in inner shell, tin liquor charging opening 12e is used for adding tin liquor in inner shell, metal oxide expelling tube 12f, metal oxide expelling tube 12f discharges is glass putty without complete oxidation, and this paper is referred to as the primary oxidation glass putty.Cavity between inner shell 12b and the outer hull 12a is the combustion chamber, in the combustion chamber, be provided with the second liquefied gas burner 12g and (see Fig. 5 with the smoke evacuation tube 12h that is connected with the combustion chamber, Fig. 4 does not draw), externally housing is outside equipped with the drive unit 12i that drives agitator rotation 12c rotation, drive unit 12i can be drive units well known to those skilled in the art such as variable-frequency motor, repeats no more here.In the present embodiment, be provided with three groups of tin liquor oxidation units altogether, design variable is: the specification of outer hull 12a is 900 * 600 * 800mm, the specification of inner shell 12b is 860 * 560 * 560mm, the blast orifice aperture is Φ 60mm, the aperture that tin liquor adds inlet is Φ 150mm, and the aperture of metal oxide expelling tube 12f is Φ 90mm.According to the present invention, above-mentioned parameter can design adjustment according to needs of production, and the present invention is not limited thereto.
According to the present invention, in the present embodiment, primary oxidation glass putty collection device 13 can use the bag collector of being made by temperature-resistant material well known to those skilled in the art, and primary oxidation glass putty screening plant 14 can use stainless steel oscillating sieving machine well known to those skilled in the art.
Please continue referring to the primary oxidation glass putty e Foerderanlage 15 shown in Fig. 1, primary oxidation glass putty e Foerderanlage 15 comprises the e Foerderanlage housing 15a that is connected with primary oxidation glass putty screening plant 14, the e Foerderanlage housing tilts to place, the bottom is an opening for feed, top is discharge port, is connected with storage bin 15b at discharge port, and 15a is provided with and is used to promote material progressive screw rod 15c in the feeding device housing, screw rod 15c has drive-motor to drive (not shown), material can be sent into storage bin 15b.In the present embodiment, storage bin is for being specially taper self-discharging type storage bin, but is not limited thereto.
See also Fig. 6, be the glass putty of primary oxidation described in Fig. 1 oxidation unit 16 synoptic diagram, described primary oxidation glass putty oxidation unit is used for that the primary oxidation glass putty is carried out secondary oxidation and prepares finished product stannic oxide, specifically comprise the vertical fixed first oxidation cylindrical shell 16a, be provided with burner 16b in described first oxidation cylindrical shell bottom, by the bottom of the first oxidation cylindrical shell primary oxidation glass putty is sent into by gas blower 20 by the primary oxidation glass putty that storage bin 15b discharges, behind the some burner 16b, primary oxidation glass putty oxidized back in the process that rises is taken out of by the cylindrical shell top, not oxidized material is heavier and difficult to be taken out of, thereby realizes reoxidizing for a long time.In the present embodiment, be provided with four burners, the first oxidation cylindrical shell is rolled by carbon steel sheet and forms, outside dimension is Φ 836mm, inside is lined with insulating brick-layer, described insulating brick comprise with the first oxidation cylinder inboard wall by thickness be 5mm insulation cloth is connected anti-peeling high aluminium brick layer and be that 5mm is incubated the cloth liner at the lightweight high alumina insulating brick at described anti-peeling high aluminium brick layer inwall by thickness, wherein the thickness of anti-peeling high aluminium brick layer is 115mm, the thickness of lightweight high alumina insulating brick is 65mm.It is pointed out that the outside dimension for the first oxidation cylindrical shell, the thickness of insulating brick-layer and the quantity of burner, the present invention is also without particular limitation, can adjust according to practical situation, all can realize purpose of the present invention.
Production line provided by the invention also comprises the tindioxide refrigerating unit 17 that is connected with described primary oxidation glass putty oxidation unit, described tindioxide refrigerating unit comprises the cooling cylindrical shell of vertical placement, the bottom of cooling cylindrical shell is connected with vacuum fan 18, the top of cooling cylindrical shell and the top of the first oxidation cylindrical shell are connected by airduct 17a, when vacuum fan is worked, reacted stannic oxide can be evacuated in the cooling cylindrical shell via airduct 17a, glass putty is taken out of after being cooled in the process that descends, when being taken out of, product granularity is carried out classification according to the difference of wind speed and output by wind.In the present embodiment, being rolled by the carbon steel steel plate of cylindrical shell of cooling forms, outside dimension is Φ 836mm, highly be Φ 4000mm, liner is by insulating brick-layer, described insulating brick-layer comprise with the cooling cylinder inboard wall by thickness be 5mm insulation cloth is connected anti-peeling high aluminium brick layer and be that 5mm is incubated the cloth liner at the lightweight high alumina insulating brick at described anti-peeling high aluminium brick layer inwall by thickness, wherein the thickness of anti-peeling high aluminium brick layer is 115mm, the thickness of lightweight high alumina insulating brick is 65mm.It is pointed out that outside dimension, the thickness of insulating brick-layer and the quantity of burner for the cooling cylindrical shell, the present invention is also without particular limitation, can adjust according to practical situation, all can realize purpose of the present invention.
According to the present invention, the production line that also further is provided with described preparation stannic oxide in stannic oxide refrigerating unit back also comprises the temperature measuring equipment that is connected with tin liquor oxidation unit, elementary glass putty oxidation unit, tindioxide refrigerating unit well known to those skilled in the art, above-mentioned temperature measuring equipment is controlled by instrument cabinet, because temperature measuring equipment belongs to those skilled in the art's general knowledge, does not repeat them here.
Compared with prior art, dried preparation stannic oxide of the present invention, integral body takes up room little, has reduced exhaust gas emission, has reduced the washing baking operation of product, has reduced fuel and cost of labor.
More than the production line that is used to prepare stannic oxide provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. production line that is used to prepare stannic oxide comprises successively:
The tin liquor oxidation unit is used for that tin liquor is carried out primary oxidation and prepares the primary oxidation glass putty;
Primary oxidation glass putty collection device is used for collecting the primary oxidation glass putty of being discharged by described tin liquor oxidation unit;
Primary oxidation glass putty screening plant is used for the primary oxidation glass putty that described primary oxidation glass putty collection device is collected is sieved;
Primary oxidation glass putty e Foerderanlage is used to carry the primary oxidation glass putty through described primary oxidation glass putty screening plant screening;
Primary oxidation glass putty oxidation unit is used for that the primary oxidation glass putty of being carried by described primary oxidation glass putty e Foerderanlage is carried out oxidation and prepares finished product stannic oxide.
2. production line according to claim 1 is characterized in that, described tin liquor oxidation unit comprises:
Outside furnace shell;
Be arranged on the inner shell that is used for the splendid attire tin liquor in the described outside furnace shell, form the combustion chamber between described outside furnace shell and the inner shell, in described combustion chamber, burner is installed;
The whipping appts that is used to stir tin liquor, the blast orifice that is used for blasting gas in inner shell, the charging opening that adds materials, temperature measuring equipment are installed in described inner shell;
Described tin liquor oxidation unit also comprises the primary oxidation glass putty drawing mechanism that is connected with described inner shell, with the fume extractor that is connected with described combustion chamber.
3. production line according to claim 2, it is characterized in that, described primary oxidation glass putty e Foerderanlage comprise the e Foerderanlage housing that is connected with described primary oxidation glass putty screening plant, the storage bin that is connected with the discharge port of described e Foerderanlage housing, with the charging blower fan that described storage bin bottom is connected, in described e Foerderanlage housing, be provided with and be used to promote material progressive screw rod.
4. production line according to claim 3 is characterized in that, described storage bin is specially taper self-discharging type storage bin.
5. production line according to claim 4 is characterized in that, described primary oxidation glass putty oxidation unit comprises:
Vertically the fixed first oxidation cylindrical shell, be arranged on the burner of the described first oxidation cylindrical shell bottom, the gas blower that is connected with the described first oxidation cylindrical shell bottom.
6. production line according to claim 5 is characterized in that, also comprises the stannic oxide refrigerating unit that is connected with the top of the described first oxidation cylindrical shell, and described stannic oxide refrigerating unit is connected by airduct with the described first oxidation cylindrical shell.
7. production line according to claim 6 is characterized in that, described stannic oxide refrigerating unit is specially winnowing machine.
8. production line according to claim 1 is characterized in that, described primary oxidation glass putty screening plant is specially the dustless sifting machine of stainless steel.
9. according to described production line of claim 1 to 8, it is characterized in that, also comprise the putty powder collection device that is connected with described primary oxidation glass putty oxidation unit.
10. production line according to claim 9 is characterized in that, also comprises being arranged on described tin liquor oxidation unit tin liquor smelting apparatus before.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101398164A CN101780975B (en) | 2010-03-30 | 2010-03-30 | Production line for preparing tin oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101398164A CN101780975B (en) | 2010-03-30 | 2010-03-30 | Production line for preparing tin oxide |
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| Publication Number | Publication Date |
|---|---|
| CN101780975A CN101780975A (en) | 2010-07-21 |
| CN101780975B true CN101780975B (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101398164A Expired - Fee Related CN101780975B (en) | 2010-03-30 | 2010-03-30 | Production line for preparing tin oxide |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332729B (en) * | 2013-07-17 | 2014-08-13 | 柳州百韧特先进材料有限公司 | Novel oxidation furnace for preparing tin dioxide |
| CN107673402B (en) * | 2017-09-30 | 2019-04-02 | 广东天高科技有限公司 | A kind of glass putty production and processing technology |
| CN110205483A (en) * | 2019-06-13 | 2019-09-06 | 云南锡业股份有限公司铜业分公司 | A kind of reduction roasting handles the system and technique of low-grade tin raw material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1968933A (en) * | 1930-03-29 | 1934-08-07 | Feldmann Ernst | Means for producing tin oxide |
| GB434150A (en) * | 1933-06-06 | 1935-08-27 | Marcel Leroy | Method of commercially manufacturing tin oxide from the instantaneous combustion of a mixture of air and pulverized hot liquid metal |
| DE880747C (en) * | 1951-08-07 | 1953-06-25 | Rhenania Chem Fab Inh Otto Kro | Method and device for the production of tin oxide |
| CN101643238A (en) * | 2009-06-22 | 2010-02-10 | 云南锡业集团（控股）有限责任公司 | Method for producing tin dioxide |
-
2010
- 2010-03-30 CN CN2010101398164A patent/CN101780975B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1968933A (en) * | 1930-03-29 | 1934-08-07 | Feldmann Ernst | Means for producing tin oxide |
| GB434150A (en) * | 1933-06-06 | 1935-08-27 | Marcel Leroy | Method of commercially manufacturing tin oxide from the instantaneous combustion of a mixture of air and pulverized hot liquid metal |
| DE880747C (en) * | 1951-08-07 | 1953-06-25 | Rhenania Chem Fab Inh Otto Kro | Method and device for the production of tin oxide |
| CN101643238A (en) * | 2009-06-22 | 2010-02-10 | 云南锡业集团（控股）有限责任公司 | Method for producing tin dioxide |
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| CN101780975A (en) | 2010-07-21 |
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Granted publication date: 20111221 Termination date: 20180330 |