CN200970521Y - Titanium white oxidation reactor by chlorination method - Google Patents
Titanium white oxidation reactor by chlorination method Download PDFInfo
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- CN200970521Y CN200970521Y CNU2006200362130U CN200620036213U CN200970521Y CN 200970521 Y CN200970521 Y CN 200970521Y CN U2006200362130 U CNU2006200362130 U CN U2006200362130U CN 200620036213 U CN200620036213 U CN 200620036213U CN 200970521 Y CN200970521 Y CN 200970521Y
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- rectification chamber
- titanium tetrachloride
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- toroidal membrane
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Abstract
The utility model discloses a chlorination process titanium white oxidation reactor composing a feeding ring (10) and a circle rectification chamber (20). A circumferential weld (22) is positioned between the front port of the feeding ring (10) and the axial lateral wall of the circle rectification chamber (20). The utility model is characterized in that the circle rectification chamber (20) is provided with at least one ring web (30) inside. The inner space of the circle rectification chamber (20) is divided into at least two mutually communicated division cavities by the ring web (30). A circle flexing channel is formed between an inlet of the titanium tetrachloride gas and the circumferential weld (22). The utility model has the beneficial effect that the flow field state of the titanium tetrachloride gas in the rectification chamber can be effectively improved and the uniformity of the titanium tetrachloride gas when entering the reaction mixing area can be promoted, so that the quality of the produced titanium products is enhanced. The utility model is provided with simple structure, convenient manufacturing, long service life, easy disassembly and assembly and maintenance, and fruitful application effect.
Description
Technical field
The utility model relates to a kind of oxidation reactor, and particularly a kind of chloridising that is applicable to is produced the oxidation reactor of rutile titanium dioxide.
Background technology
In the chloride process titanium dioxide production technology, oxidation technology is a key technology, and oxidation reactor then is the nucleus equipment of this key technology.
Oxidation reactor generally comprises combustion zone, reaction mixed zone and reaction cooling zone, produce in the titanium white process, each regional Flow Field Distribution is to influence product quality and cycle of operation key factor, wherein to enter the Flow Field Distribution uniformity of reaction mixed zone be exactly one of key factor to titanium tetrachloride, and the quality of titanium dioxide is played decisive role.In actual production, titanium tetrachloride enters the reaction mixed zone with the form of circumferential weld or jet orifice usually, if it is inhomogeneous that titanium tetrachloride enters the Flow Field Distribution of reaction mixed zone, can make inhomogeneous, the heat skewness of reaction in the reaction zone, the titanium dioxide granule size that generates is also inhomogeneous, when situation is serious, scabbed in the reaction zone part, cause system shutdown.Therefore, people are constantly improving the structure of oxidation reactor, to improve the uniformity that titanium tetrachloride enters the reaction mixed zone.
For example, be that ZL00116465.1, notification number CN1277941, the day for announcing are in the patent of invention specification on December 27th, 2000 in the patent No., a kind of titanium white chloride oxidation reactor is promptly disclosed.This oxidation reactor is that the jet orifice of not isometrical or different structure is set on titanium tetrachloride charging ring, and makes it alternately, thereby adjusts the ratio of momentum of each jet of titanium tetrachloride charging ring, the rapid mixing of realization response material; A collector ring is set in titanium tetrachloride charging ring, gas flow in the titanium tetrachloride charging ring is carried out rectification, tangential flowing slowed down, it is even that pressure distribution is tending towards.Its existing deficiency is, the size and the distribution of jet orifice are had relatively high expectations, and processing is got up very complicated, and in use, jet orifice also can because of the high temperature titanium tetrachloride to wash away change ineffective greatly and gradually.
And for example, be 200410009714.5 at application number, publication number is CN1609001, be in the application for a patent for invention prospectus on April 27th, 2005 in open day, a kind of oxidation reactor for preparing titanium white is also disclosed.This oxidation reactor be in titanium tetrachloride charging ring, fix a cylinder ring original monocycle passage is divided in the structure of circuit and bypass road, its existing deficiency is, can not guarantee that titanium tetrachloride successfully enters interior circuit, and interior circuit can cause the space of rectification chamber to diminish, and the uniformity of stream field is brought adverse effect.
The utility model content
Technical problem to be solved in the utility model provides a kind of chloride process titanium dioxide reactor, and it can improve the Flow Field Distribution uniformity that titanium tetrachloride gases enters the reaction mixed zone effectively, and the quality of utilizing the raising titanium white product of producing is arranged.
The technical scheme that its technical problem that solves the utility model adopts is: chloride process titanium dioxide reactor of the present utility model, comprise charging ring and annular rectification chamber, there is circumferential weld between the axial side wall of the front port of charging ring and annular rectification chamber, it is characterized in that: indoor at least one toroidal membrane that is provided with of described annular rectification, toroidal membrane is separated at least two branch chambeies that communicate with the inner space of annular rectification chamber, and forms the ring-type bent passage between titanium tetrachloride gases import and circumferential weld.
In technique scheme, by the toroidal membrane set up prolong titanium tetrachloride gases in the indoor distance and increase the flow resistance of titanium tetrachloride gases of flowing through of annular rectification, make titanium tetrachloride gases can enter the reaction mixed zone more uniformly.
As a kind of preferred version of the present utility model, for farthest improving the Flow Field Distribution uniformity that titanium tetrachloride gases enters the reaction mixed zone, described toroidal membrane and charging ring, annular rectification chamber are concentric.
The beneficial effects of the utility model are, can improve the flow field state of titanium tetrachloride gases in the rectification chamber effectively, improve the uniformity that titanium tetrachloride gases enters the reaction mixed zone, therefore have to utilize the quality that improves the titanium white product of producing; Simple in structure, easy to make, long service life, dismounting and maintenance are easy, and effect is obvious.
Description of drawings
This specification comprises as next width of cloth accompanying drawing:
Fig. 1 is the structural representation of the utility model chloride process titanium dioxide reactor.
Parts, toponym and pairing mark among the figure: charging ring 10, reaction mixed zone 11, annular rectification chamber 20, gap 21, circumferential weld 22, gap toroidal membrane 30, toroidal membrane 30a, toroidal membrane 30b.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
With reference to Fig. 1, chloride process titanium dioxide reactor of the present utility model comprises charging ring 10 and annular rectification chamber 20, has circumferential weld 22 between the axial side wall of the front port of charging ring 10 and annular rectification chamber 20.Cavity in the charging ring 10 is reaction mixed zone 11, is reacted in reaction mixed zone 11 by charging ring 10 high-temperature oxygen that enters and the titanium tetrachloride gases that is entered by annular rectification chamber 20, circumferential weld 22.
With reference to Fig. 1, be provided with at least one toroidal membrane 30 in the described annular rectification chamber 20, toroidal membrane 30 is separated at least two branch chambeies that communicate with the inner space of annular rectification chamber 20, and forms the ring-type bent passage between titanium tetrachloride gases import and circumferential weld 22.Prolong the distance and increase the flow resistance of titanium tetrachloride gases of flowing through in annular rectification indoor 20 of titanium tetrachloride gases by the toroidal membrane set up 30, make titanium tetrachloride gases can enter reaction mixed zone 11 more uniformly.For farthest improving the Flow Field Distribution uniformity that titanium tetrachloride gases enters the reaction mixed zone, described toroidal membrane 30 and charging ring 10, annular rectification chamber 20 are concentric.
In the specific embodiment shown in Fig. 1, the quantity of described toroidal membrane 30 is two, be toroidal membrane 30a, the 30b that diameter does not wait, toroidal membrane 30a, 30b are separately fixed on the left and right axial side wall of annular rectification chamber 20, its on-fixed port then with have gap 21 between relative annular rectification chamber 20 axial side wall. Toroidal membrane 30a, 30b are separated into three branch chambeies that communicate with the inner space of annular rectification chamber 20, and form the ring-type bent passage that distance increases between titanium tetrachloride gases import and circumferential weld 22.Generally speaking, the width in described gap 21 is 0.10～0.30 of annular rectification chamber 20 axial widths.
In the production process, titanium tetrachloride gases with the speed of 30.0m/s from annular rectification chamber 20 radially both sides enter the rectification chamber in mode to spray, temperature is 400 ℃～500 ℃, the speed that titanium tetrachloride enters the reaction mixed zone is 15～25m/s.The result proves, the more traditional oxidation reactor of the titanium dioxide particle of being produced is more even, and the reducing power index obviously improves, and is increased to present 115%～120% by 100%～110%.Two toroidal membrane 30a, 30b do not change, do not repair after using 150 days, and oxidation reactor does not occur mixing the inhomogeneous phenomenon that causes system to scab because of titanium tetrachloride gases, and the cycle of operation can reach more than 20 days.
Some principles of the above the utility model chloride process titanium dioxide reactor that just explains through diagrams, be not be the utility model chloride process titanium dioxide reactor to be confined to shown in and in described concrete structure and the scope of application, so every the corresponding modify and equivalent that might be utilized all belongs to the claim that the utility model is applied for.
Claims (4)
1. chloride process titanium dioxide reactor, comprise charging ring (10) and annular rectification chamber (20), there is circumferential weld (22) between the axial side wall of the front port of charging ring (10) and annular rectification chamber (20), it is characterized in that: be provided with at least one toroidal membrane (30) in the described annular rectification chamber (20), toroidal membrane (30) is separated at least two branch chambeies that communicate with the inner space of annular rectification chamber (20), and forms the ring-type bent passage between titanium tetrachloride gases import and circumferential weld (22).
2. chloride process titanium dioxide reactor as claimed in claim 1 is characterized in that: described toroidal membrane (30) and charging ring (10), annular rectification chamber (20) are concentric.
3. chloride process titanium dioxide reactor as claimed in claim 1 or 2, it is characterized in that: the quantity of described toroidal membrane (30) is two, it is the toroidal membrane (30a, 30b) that diameter does not wait, toroidal membrane (30a, 30b) is separately fixed on the left and right axial side wall of annular rectification chamber (20), its on-fixed port then with have gap (21) between relative annular rectification chamber (20) axial side wall.
4. chloride process titanium dioxide reactor as claimed in claim 3 is characterized in that: the width of described gap (21) is 0.10～0.30 of annular rectification chamber (a 20) axial width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200362130U CN200970521Y (en) | 2006-11-10 | 2006-11-10 | Titanium white oxidation reactor by chlorination method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200362130U CN200970521Y (en) | 2006-11-10 | 2006-11-10 | Titanium white oxidation reactor by chlorination method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200970521Y true CN200970521Y (en) | 2007-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200362130U Expired - Fee Related CN200970521Y (en) | 2006-11-10 | 2006-11-10 | Titanium white oxidation reactor by chlorination method |
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| Country | Link |
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| CN (1) | CN200970521Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128972A (en) * | 2017-06-30 | 2017-09-05 | 攀钢集团研究院有限公司 | A kind of production system for titanium dioxide |
| CN112271310A (en) * | 2020-11-09 | 2021-01-26 | 芜湖同优汽车科技有限公司 | Air circuit simulation device for hydrogen fuel electric pile for vehicle |
| CN113845145A (en) * | 2021-11-15 | 2021-12-28 | 攀钢集团攀枝花钢铁研究院有限公司 | Scar-proof device of titanium white chloride oxidation reactor and oxidation reactor |
-
2006
- 2006-11-10 CN CNU2006200362130U patent/CN200970521Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128972A (en) * | 2017-06-30 | 2017-09-05 | 攀钢集团研究院有限公司 | A kind of production system for titanium dioxide |
| CN107128972B (en) * | 2017-06-30 | 2018-12-28 | 攀钢集团研究院有限公司 | A kind of production system for titanium dioxide |
| CN112271310A (en) * | 2020-11-09 | 2021-01-26 | 芜湖同优汽车科技有限公司 | Air circuit simulation device for hydrogen fuel electric pile for vehicle |
| CN112271310B (en) * | 2020-11-09 | 2024-05-28 | 芜湖同优科技股份有限公司 | Air circuit simulator for hydrogen fuel electric pile for vehicle |
| CN113845145A (en) * | 2021-11-15 | 2021-12-28 | 攀钢集团攀枝花钢铁研究院有限公司 | Scar-proof device of titanium white chloride oxidation reactor and oxidation reactor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |