CN205099380U - High -purity titanium dioxide continuous production oxidation furnace - Google Patents
High -purity titanium dioxide continuous production oxidation furnace Download PDFInfo
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- CN205099380U CN205099380U CN201520758640.9U CN201520758640U CN205099380U CN 205099380 U CN205099380 U CN 205099380U CN 201520758640 U CN201520758640 U CN 201520758640U CN 205099380 U CN205099380 U CN 205099380U
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- toluene
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model provides a high -purity titanium dioxide continuous production oxidation furnace, includes furnace body, characterized by the furnace body comprises the pressure vessel of inner bag and parcel inner bag, the furnace body divide into toluene burning zone, bathroom section in proper order, beats scar salt section. The opening part and the toluene rifle of furnace body toluene burning zone are connected, the toluene rifle is equipped with the connecting pipe with the side of the opening part contact of furnace body, furnace body toluene burning zone sets up annular bellows cover outward, and annular bellows cover outer lane is equipped with hot oxygen entry around being equipped with hot oxygen ring on the toluene burning zone, hot oxygen ring and hot oxygen entry linkage. The utility model has the characteristics of energy saving, improvement purity, the efficiency etc. That increases. The utility model provides an inner bag material is the pottery, and the pottery has high oxytolerantization, avoids by various chemical reaction oxidations, guarantees the reaction simultaneously and goes on smoothly, hot oxygen ring improves abundant oxygen, promotes the burning, cooling water cooling reacted result, and the tiO2 granular mass of the gaseous steerable oxidation of nucleation that the bathroom section was added, gas -solid mixture cooling to generating can prevent still that oxidation reactor from scabbing.
Description
Technical field
The utility model belongs to titanium dioxide production apparatus field, particularly relates to a kind of high purity titanium dioxide continuous seepage oxidized still and production method thereof.
Background technology
Titanium dioxide (
chemical formula: TiO), white solid or pulverous intermediate oxide, molecular weight: 79.87 is a kind of white inorganic pigments, has nontoxic, best opacity, best whiteness and luminance brightness, is considered to a kind of white pigment that performance is best in the world at present.Be widely used in the industry such as coating, plastics, papermaking, printing-ink, chemical fibre, rubber, makeup.
The titanium dioxide industry of China originates in mid-term the 1950's, but the output wretched insufficiency of titanium dioxide, nearly 200,000 tons of annual import, and the ilmenite concentrate overwhelming majority of China is rock ore deposit, and objectionable constituent are many, element is assorted, are difficult to be separated in production; Therefore how to improve output, cut the waste, raise the efficiency extremely urgent.
Summary of the invention
The utility model provides a kind of high purity titanium dioxide continuous seepage oxidized still and production method thereof, in order to solve existing production efficiency low, yield poorly, waste the technical problems such as impurity that is large, that produce is many.
In order to solve above technical problem, technical solution adopted in the utility model is: a kind of high purity titanium dioxide continuous seepage oxidized still, comprise body of heater, it is characterized in that described body of heater is made up of the pressurized vessel of inner bag and parcel inner bag, described body of heater is divided into toluene burning zone, bathroom section successively, beats scar salt section, the opening part of described body of heater toluene burning zone is connected with toluene rifle, and the side that described toluene rifle contacts with the opening part of body of heater is provided with connecting pipe;
Arrange annular bellows cover outside described body of heater toluene burning zone, annular bellows cover outer ring is arranged with hot oxygen ring, and toluene burning zone is provided with hot oxygen entrance, and hot oxygen ring is connected with hot oxygen entrance, and toluene burning zone sidepiece is provided with the Repone K entrance through annular bellows cover; Described bathroom section front side portion is provided with water coolant import and export, and bathroom section rear lateral portion is provided with titanium tetrachloride entrance and carrier gas inlet, and described scar salt section sidepiece of beating is provided with sodium-chlor and adds entrance, beats outside scar salt section and is provided with cooling jacket, water coolant import and export on cooling jacket.
As preferably, described titanium tetrachloride entrance is towards the chute in toluene burning zone direction.
As preferably, be provided with the commutator with cavity at section axle center, the bathroom place being positioned at titanium tetrachloride Background Region, described bathroom section rear lateral portion is provided with the second carrier gas inlet, and the second carrier gas inlet is connected with commutator, and commutator surface is provided with carrier gas spout.
As preferably, described inner bag is that stupalith is formed.
As preferably, described body of heater end outlet is connected with gas-solid separator, and gas-solid separator is connected with vacuum fan, and vacuum fan is connected with scar rifle and carrier gas inlet by pipeline.
A kind of employing high purity titanium dioxide quantity-produced method, is characterized in that comprising the following steps:
1. preheating: to passing into toluene, oxygen in oxidized still, make in-furnace temperature reach 1500 DEG C-1800 DEG C, calcination time is 10-30min, air pressure 80000-120000Pa;
2. react: injected by titanium tetrachloride in oxidized still, spray into Repone K, Repone K is
The thousandth of titanium tetrachloride; Under the effect of commutator, the oxygen generation vigorous oxidation that titanium tetrachloride passes into calcining section is reacted, and obtains the titanium dioxide reaction mixture containing titanium tetrachloride gases;
3. be loaded into nucleation gas: nucleator to be volumetric concentration be 10% Repone K, sodium aluminate mixing solutions, wherein Repone K: sodium aluminate=1:1, carrier gas is nitrogen, chlorine mixed gas, its ratio of mixture 8:2;
4. reclaim product and gas: arranged bottom gas-solid separator by high purity titanium dioxide
Material mouth is discharged, and carry out condensation process to the gaseous mixture containing titanium tetrachloride, condensing temperature is-23 DEG C, filters after gas recovery, passes into carrier gas inlet.
The utility model has save energy, improves purity, increases the features such as efficiency.Liner material in the utility model is pottery, and pottery has high resistance to oxidation, avoids being oxidized by various chemical reaction, ensures that reaction is carried out smoothly simultaneously; Commutator promotes reaction gas flow balance, promotes that reaction is normally carried out.Hot oxygen ring improves and promotes that oxygen supplements fast, promotes burning, and the nucleation gas that bathroom section adds and nucleator thereof can the TiO that generate of controlled oxidization
2granular mass, also can prevent oxidation reactor from scabbing, and water coolant is to the gas-solid mixing mixture cooling generated; In production method of the present invention, tail gas recycle utilizes, and gas circulation utilizes, and improves service efficiency, reduces the waste of resource.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is A place enlarged view in Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described in further detail.
Shown in composition graphs 1,2, the body of heater of this high purity titanium dioxide continuous seepage oxidized still is made up of pressurized vessel 100 composite structure of inner bag 101 and parcel inner bag 101, inner bag 101 is that pottery is formed, pottery has high resistance to oxidation, can not be corroded by chemicals, furnace interior structure, ceramic chemical stabilization, avoid being oxidized by various chemical reaction, ensure that reaction is carried out smoothly simultaneously.
Inner bag 101 is divided into toluene burning zone 3, bathroom section 6 successively, beats scar salt section 8, be connected with toluene rifle 9 at toluene burning zone 3 opening part of body of heater, toluene rifle 9 injects toluene, and the side that toluene rifle 9 contacts with the opening part of body of heater is provided with connecting pipe 10, and connecting pipe 10 keeps furnace interior pressure equilibrium.
Outside body of heater toluene burning zone 3, annular bellows cover 4 is set, annular bellows cover 4 outer ring is arranged with hot oxygen ring 11, toluene burning zone 3 is provided with hot oxygen entrance 12, hot oxygen ring 11 is connected with hot oxygen entrance 12, toluene burning zone 3 sidepiece is provided with the Repone K entrance 13 through annular bellows cover 4, play the effect for crystal grain suppresses, prevent resultant of reaction from solidifying; Inject oxygen by hot oxygen ring 11 thermotropism oxygen entrance 12, promote the reaction at toluene burning zone 3 place, the heat produced with toluene burning, by oxygen heating, makes the temperature in stove reach 1500 DEG C-1800 DEG C, promotes chemical reaction.
Bathroom section 6 front side portion is provided with water coolant import and export 14,15, the reacted product of water quench.Bathroom section 6 rear lateral portion is provided with titanium tetrachloride entrance 16 and carrier gas inlet 17, titanium tetrachloride entrance 16 is towards the chute in toluene burning zone 3 direction, be convenient to titanium tetrachloride fully contact with the gas in toluene burning zone 3 and react, the commutator 25 with cavity is provided with at the bathroom section 6 axle center place being positioned at titanium tetrachloride Background Region, bathroom section 6 rear lateral portion is provided with the second carrier gas inlet 161, second carrier gas inlet 161 is connected with commutator 25, commutator 25 surface is provided with carrier gas spout, second carrier gas inlet 161 gas enters commutator 25, fully mix with titanium tetrachloride through the ejection of commutator 25 carrier gas spout, and reduce the temperature of commutator 25.
Commutator 25 keeps air flow line consistent, is loaded into nucleation gas in carrier gas inlet 17, fully mixes rear promotion forward reaction carry out by commutator 25 after being acted on titanium tetrachloride.Carrier gas inlet 17 can also prevent from scabbing and reaction is carried out smoothly.
Titanium tetrachloride reacts in an environment of high temperature, generate titanium dioxide product and byproduct (main four chlorine, also have the material such as nitrogen, carbonic acid gas, carbon monoxide), beat scar salt section 8 sidepiece and be provided with sodium-chlor and add entrance 20, by scabbing in sodium chloride salt purge reactor.
Beat outside scar salt section 8 and be provided with cooling jacket 21, water coolant import and export 18,19 on cooling jacket 21, water coolant import and export 18,19 accelerating cooling cover 21 is to the gas-solid mixing mixture cooling generated.
The end outlet beating scar salt section 8 is connected with gas-solid separator 26, and gas-solid separator 26 is connected with vacuum fan 27, and vacuum fan 27 can also be connected with scar rifle and carrier gas inlet 17 by pipeline, and gas circulation is utilized, and improves service efficiency, reduces the waste of resource.
Embodiment: employing high purity titanium dioxide quantity-produced method is:
1. preheating: to passing into toluene, oxygen in oxidized still, its body of heater toluene burning zone 3 is because the heat of toluene burning generation is by oxygen heating, and make the temperature in stove reach 1800 DEG C of environment being beneficial to titanium dioxide most and generating, calcination time is 30min, air pressure 10000Pa;
2. react: titanium tetrachloride is injected bathroom section 6 place in oxidized still, spray into chlorination
Potassium, Repone K is the thousandth of titanium tetrachloride, can control the calcining process of titanium dioxide, makes the soft moderate of the size of its particle, particle, and salt treatment agent also has the effect of crystal type promoting reagent simultaneously; Under the effect of commutator 25, calcine with toluene the oxygen generation vigorous oxidation that section 3 passes into and react, and obtain the titanium dioxide reaction mixture containing titanium tetrachloride gases, transformation efficiency >=99% of its titanium tetrachloride, titanium dioxide >=98% of generation;
3. be loaded into nucleation gas: nucleator to be volumetric concentration be 10% Repone K, sodium aluminate mixing solutions, wherein Repone K: sodium aluminate=1:1, nucleator plays the effect of transformation of crystal, promotes that titanium dioxide production transforms crystal grain; Carrier gas is nitrogen, chlorine mixed gas (in general, 20 tons of titanium tetrachlorides need 200 cubic metres of mixed gass), its ratio of mixture 8:2, and carrier gas not only supplements the chlorine consumed, and impels the gas flow in oxidized still simultaneously, reaction is more thoroughly carried out;
4. reclaim product and gas: arranged bottom gas-solid separator by high purity titanium dioxide
Material mouth is discharged.Through detecting: titanium dioxide granule degree 0.2-0.3 μm account for more than 90%, simple packaging is finished product.Cooling jacket 21 is to the mixture cooling generated, and carry out condensation process to the gaseous mixture containing titanium tetrachloride, condensing temperature is-23 DEG C, passes into carrier gas inlet by after gas recovery, and the chlorine content in its tail gas reaches more than 90%, passes in oxidized still once again.Gas iterative cycles utilizes, and is conducive to improving service efficiency, reduces the waste of resource, promotes titanium dioxide continuous production.
Finally, it should be pointed out that above embodiment is only the more representational example of the utility model.Obviously, the utility model is not limited to above-mentioned embodiment, can also have many distortion.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all should think and belong to protection domain of the present utility model.
Claims (5)
1. a high purity titanium dioxide continuous seepage oxidized still, comprise body of heater, it is characterized in that described body of heater is made up of the pressurized vessel of inner bag and parcel inner bag, described body of heater is divided into toluene burning zone, bathroom section successively, beats scar salt section, the opening part of described body of heater toluene burning zone is connected with toluene rifle, and the side that described toluene rifle contacts with the opening part of body of heater is provided with connecting pipe;
Arrange annular bellows cover outside described body of heater toluene burning zone, annular bellows cover outer ring is arranged with hot oxygen ring, and toluene burning zone is provided with hot oxygen entrance, and hot oxygen ring is connected with hot oxygen entrance, and toluene burning zone sidepiece is provided with the Repone K entrance through annular bellows cover; Described bathroom section front side portion is provided with water coolant import and export, and bathroom section rear lateral portion is provided with titanium tetrachloride entrance and carrier gas inlet, and described scar salt section sidepiece of beating is provided with sodium-chlor and adds entrance, beats outside scar salt section and is provided with cooling jacket, water coolant import and export on cooling jacket.
2. a kind of high purity titanium dioxide continuous seepage oxidized still according to claim 1, is characterized in that described titanium tetrachloride entrance is towards the chute in toluene burning zone direction.
3. a kind of high purity titanium dioxide continuous seepage oxidized still according to claim 1, it is characterized in that the commutator be provided with at section axle center, the bathroom place being positioned at titanium tetrachloride Background Region with cavity, described bathroom section rear lateral portion is provided with the second carrier gas inlet, second carrier gas inlet is connected with commutator, and commutator surface is provided with carrier gas spout.
4. a kind of high purity titanium dioxide continuous seepage oxidized still according to claim 1, is characterized in that described inner bag is that stupalith is formed.
5. a kind of high purity titanium dioxide continuous seepage oxidized still according to claim 1, it is characterized in that described body of heater end outlet is connected with gas-solid separator, gas-solid separator is connected with vacuum fan, and vacuum fan is connected with scar rifle and carrier gas inlet by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520758640.9U CN205099380U (en) | 2015-08-07 | 2015-09-29 | High -purity titanium dioxide continuous production oxidation furnace |
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| CN201520587194X | 2015-08-07 | ||
| CN201520587194 | 2015-08-07 | ||
| CN201520758640.9U CN205099380U (en) | 2015-08-07 | 2015-09-29 | High -purity titanium dioxide continuous production oxidation furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271387A (en) * | 2015-08-07 | 2016-01-27 | 仙桃市中星电子材料有限公司 | Continuous production oxidation furnace and production method of highly pure titanium dioxide |
| CN107117651A (en) * | 2017-06-30 | 2017-09-01 | 攀钢集团研究院有限公司 | A kind of oxidation reactor for titanium white production |
-
2015
- 2015-09-29 CN CN201520758640.9U patent/CN205099380U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271387A (en) * | 2015-08-07 | 2016-01-27 | 仙桃市中星电子材料有限公司 | Continuous production oxidation furnace and production method of highly pure titanium dioxide |
| CN105271387B (en) * | 2015-08-07 | 2017-09-26 | 仙桃市中星电子材料有限公司 | A kind of high-purity titanium dioxide continuously produces oxidation furnace and its production method |
| CN107117651A (en) * | 2017-06-30 | 2017-09-01 | 攀钢集团研究院有限公司 | A kind of oxidation reactor for titanium white production |
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Effective date of registration: 20191217 Granted publication date: 20160323 |
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Effective date of registration: 20221217 Granted publication date: 20160323 |