CN101264927B - Boiling chlorination furnace with temperature-controlling device and temperature-controlling method thereof - Google Patents
Boiling chlorination furnace with temperature-controlling device and temperature-controlling method thereof Download PDFInfo
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- CN101264927B CN101264927B CN2008103005374A CN200810300537A CN101264927B CN 101264927 B CN101264927 B CN 101264927B CN 2008103005374 A CN2008103005374 A CN 2008103005374A CN 200810300537 A CN200810300537 A CN 200810300537A CN 101264927 B CN101264927 B CN 101264927B
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Abstract
The invention discloses a chloride boiling furnace with a heating device and a corresponding temperature control method, comprising a heating device and a temperature measuring device, which is characterized in that: the chloride boiling furnace facilitates to control environmental temperature of the chlorination reaction; the heating device is arranged on the wall of the chloride boiling furnace and adopts the resistance wire which is even distributed in the wall of the furnace; the temperature measuring device adopts a thermocouple which is protected by bushing. When using the chloride boiling furnace, the temperature control method is that: the adding material is heated by heating device to reaction temperature firstly; different adding material temperatures are adopted according to the different chloride materials which is high-titanic slag or titanium carbide; and then the normal temperature of the chloride boiling furnace in running is controlled through monitoring the thermocouple and making-breaking the resistance wire. The chloride boiling furnace has the advantages of simple and easy practice, convenient manufacture, low cost, being able to control the temperature in the furnace conveniently and accurately, being suitable for controlling the running temperature in small chloride boiling furnace particularly and applying in the preparing of the titanium tetrachloride field mostly.
Description
Technical field
The present invention relates to a kind of temperature regulating device and method of industrial boiling chloridizing furnace, especially a kind of temperature-control device and method of the boiling chloridizing furnace that is used to use titaniferous materials to prepare titanium tetrachloride.
Background technology
Prepare in the production technique of titanium tetrachloride at boiling chloridizing furnace; The temperature of reaction control of boiling section is the gordian technique in the whole technological process; Mainly be employed at present in the furnace wall of chlorination furnace and immersion thermocouple, furnace wall temperature is measured the mode with indirect control furnace chamber internal reaction envrionment temperature.
Adopted at present not with the boiling chloridizing furnace of heating installation, need place process furnace to heat whole chlorination furnace before the blow-on, could begin to feed intake then to react.The subject matter that exists in the production has: one, need refuel that burner hearth is heated before the blow-on, whole blow-on process operation is complicated; Two, after the normal operation of boiling chloridizing furnace, temperature is taken away heat, is gone into the heat absorption of stove material and control with the thermal equilibrium that exothermic heat of reaction reaches by furnace wall lost heat, product in the stove, and temperature is difficult to control; Three,, when operation, also need heating in addition could guarantee normally carrying out of reaction for small-sized boiling chloridizing furnace.
Summary of the invention
Do not heat setting in order to overcome existing boiling chloridizing furnace, temperature is difficult to the deficiency of control, and technical problem to be solved by this invention provides a kind of boiling chloridizing furnace and temperature-controlled process thereof that has heating unit, is convenient to control the chlorination reaction envrionment temperature.
The technical solution adopted for the present invention to solve the technical problems is: the boiling chloridizing furnace of band temperature regulating device, comprise the furnace chamber in the furnace wall, and the furnace wall is provided with temperature measuring equipment and heating unit.
In addition, the present invention also provides a kind of temperature-controlled process that is adapted to the boiling chloridizing furnace of this kind band temperature regulating device:
A, with titanium slag during as chlorizated raw material, the starting temperature of the reaction that feeds intake is 900 ℃～1000 ℃, and temperature in the stove in the reaction process is controlled at 900 ℃～1100 ℃;
B, with titanium carbide during as chlorizated raw material, the starting temperature of the reaction that feeds intake is 400 ℃～500 ℃, and temperature in the stove in the reaction process is controlled at 450 ℃～700 ℃.
The invention has the beneficial effects as follows: simple, easily manufactured, cost is low, can be effectively to boiling chloridizing furnace, particularly the operating temperature of small-sized boiling chloridizing furnace is controlled, and has improved temperature controlled accuracy in the stove.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Be labeled as 1-furnace wall, 2-thermopair, 3-wire spiral, the sleeve pipe of 4-protective resistance silk, the sleeve pipe of 5-protection thermopair, 6-furnace chamber among the figure.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
As depicted in figs. 1 and 2, the temperature regulating device of boiling chloridizing furnace of the present invention comprises the temperature measuring equipment and the heating unit that are arranged on the chlorination furnace furnace wall 1.
Owing to be provided with heating unit and temperature measuring equipment, the temperature in the said boiling chloridizing furnace just can be controlled according to reaction needed in real time, carries out to guarantee successful reaction.Said heating unit can adopt globars, magneticinduction heating unit, electric heater unit etc., and that considers employed heating unit and furnace wall combines conveniently, and described heating unit adopts wire spiral 3.Employed wire spiral 3 must be able to bear 1500 ° of temperature.
For protective resistance silk 3, prolong the work-ing life of wire spiral 3, be provided with the wire spiral protector between wire spiral 3 and the furnace wall 1.
Wire spiral 3 is installed for ease, and the sleeve pipe 4 that described wire spiral protector adopts the corrosion-and high-temp-resistant material to process is like vitrified pipe.
In order to improve accuracy to the control of chlorination furnace chlorination reaction envrionment temperature; Said temperature measuring equipment adopts thermopair 2, and thermopair 2 can stretch into furnace chamber 6, at this moment; Should between thermopair 2 and furnace wall 1, be provided with electric thermo-couple protector; The sleeve pipe 5 that this device can adopt the corrosion-and high-temp-resistant material to process, like vitrified pipe, thermopair 2 is installed in the sleeve pipe 5.
Consider the size of general furnace chamber diameter, for giving full play to the heating efficiency of every wire spiral 3, for a chlorination furnace, said wire spiral 3 is advisable to be provided with 8～16.
In order to make the temperature distribution in the furnace chamber comparatively even, said wire spiral 3 should be along the furnace wall 1 arranges evenly that axially or radially even the spacing between each wire spiral 3 is identical, wire spiral 3 can be done circlewise, and 1 axially evenly arranges along the furnace wall; Wire spiral 3 also can be made the vertical bar shape, and 1 radially evenly arranges along the furnace wall.
For the purpose of the convenience of installing and change wire spiral 3, said wire spiral 3 along the furnace wall 1 axially evenly arrange, and be arranged in furnace wall 1 concentric concentric circumference on.According to general furnace wall thickness, this concentric circumference should not surpass 80mm to the distance of furnace wall 1 internal surface, in order to avoid because thermosteresis makes in the furnace chamber heat supply not enough greatly in the furnace wall.
The temperature-controlled process of the boiling chloridizing furnace of band temperature regulating device of the present invention.
A, with titanium slag during as chlorizated raw material, the starting temperature of the reaction that feeds intake is 900 ℃～1000 ℃, and temperature in the stove in the reaction process is controlled at 900 ℃～1100 ℃;
B, with titanium carbide during as chlorizated raw material, the starting temperature of the reaction that feeds intake is 400 ℃～500 ℃, and temperature in the stove in the reaction process is controlled at 450 ℃～700 ℃.
Embodiment one
Use the boiling chloridizing furnace of band temperature regulating device of the present invention and use titanium slag to carry out fluidizing chlorination as raw material.
When playing stove,, when the temperature of measuring when thermopair 2 reaches 1000 ℃, add titanium slag and the ratio of coke according to 3: 1 are added, react and begin to carry out through 3 pairs of chlorination furnaces heating of resistive heater.Can stop the heating of wire spiral 3 this moment; Or, when when adding material instability or deslagging, causing furnace heat sharply to reduce, restart wire spiral 3 heating with the heating power reduction; Keep the balance of furnace heat and stablizing of temperature, guarantee that chlorination furnace can trouble-free operation.
Embodiment two
Use the boiling chloridizing furnace of band temperature regulating device of the present invention and use titanium carbide to carry out fluidizing chlorination as raw material.
When playing stove, through 3 pairs of chlorination furnace heating of resistive heater, when the temperature of thermopair 2 measurements reaches 500 ℃, add titanium carbide and logical chlorine, reaction begins to carry out.Can stop the heating of wire spiral 3 this moment; Or, when when adding material instability or deslagging, causing furnace heat sharply to reduce, restart wire spiral 3 heating with the heating power reduction; Keep the balance of furnace heat and stablizing of temperature, guarantee that chlorination furnace can trouble-free operation.
Claims (6)
1. be with the boiling chloridizing furnace of temperature regulating device; Comprise the furnace chamber (6) in the furnace wall (1), furnace wall (1) is provided with temperature measuring equipment, it is characterized in that: the furnace wall also is provided with heating unit on (1); Described heating unit adopts wire spiral (3); Said wire spiral (3) be arranged in and the concentric concentric circumference in furnace wall (1) on, the distance of this concentric circumference (1) internal surface to the furnace wall is no more than 80mm, is provided with the wire spiral protector between wire spiral (3) and furnace wall (1).
2. the boiling chloridizing furnace of band temperature regulating device as claimed in claim 1 is characterized in that: the sleeve pipe (4) that described wire spiral protector is processed for the corrosion-and high-temp-resistant material.
3. according to claim 1 or claim 2 the boiling chloridizing furnace of band temperature regulating device, it is characterized in that: said temperature measuring equipment is thermopair (2), and thermopair (2) stretches into furnace chamber (6), is provided with electric thermo-couple protector between thermopair (2) and furnace wall (1).
4. the boiling chloridizing furnace of band temperature regulating device as claimed in claim 3 is characterized in that: the sleeve pipe that described electric thermo-couple protector is processed for the corrosion-and high-temp-resistant material (5), said thermopair (2) is installed in the sleeve pipe (5).
5. according to claim 1 or claim 2 the boiling chloridizing furnace of band temperature regulating device, it is characterized in that: said wire spiral (3) is provided with 8～16.
6. the boiling chloridizing furnace of band temperature regulating device as claimed in claim 5 is characterized in that: said wire spiral (3) along the furnace wall (1) axially or radially evenly arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103005374A CN101264927B (en) | 2008-03-12 | 2008-03-12 | Boiling chlorination furnace with temperature-controlling device and temperature-controlling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103005374A CN101264927B (en) | 2008-03-12 | 2008-03-12 | Boiling chlorination furnace with temperature-controlling device and temperature-controlling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101264927A CN101264927A (en) | 2008-09-17 |
| CN101264927B true CN101264927B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008103005374A Expired - Fee Related CN101264927B (en) | 2008-03-12 | 2008-03-12 | Boiling chlorination furnace with temperature-controlling device and temperature-controlling method thereof |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337689B (en) * | 2008-08-26 | 2010-12-01 | 攀钢集团有限公司 | Method for producing titanium tetrachloride using low grade titan raw material |
| DE102010008944A1 (en) * | 2010-02-23 | 2011-08-25 | SMS Siemag AG, 40237 | Ladle or intermediate container for holding a liquid metal |
| CN103121709A (en) * | 2011-11-18 | 2013-05-29 | 攀钢集团研究院有限公司 | Method for stirring boiling chlorination furnace and method for preparing titanium tetrachloride |
| CN102989813A (en) * | 2012-10-30 | 2013-03-27 | 无锡鸿声铝业有限公司 | Attemperator for heat preservation of extruding sectional material |
| CN103058270B (en) * | 2012-12-26 | 2014-08-06 | 攀钢集团攀枝花钢铁研究院有限公司 | Control system and control method for low temperature fluidizing chlorination furnace |
| CN103265066B (en) * | 2013-04-23 | 2015-06-24 | 中化二建集团有限公司 | Making and construction method of chlorination furnace |
| CN104515378B (en) * | 2013-09-27 | 2017-05-10 | 丹阳正联知识产权运营管理有限公司 | Energy-saving furnace body structure of large-type pit furnace |
| CN104991590A (en) * | 2015-06-26 | 2015-10-21 | 东华工程科技股份有限公司 | Automatic temperature control system for large-scale boiling chlorination furnace |
| CN105236475B (en) * | 2015-08-27 | 2017-12-15 | 攀钢集团攀枝花钢铁研究院有限公司 | Boiling chloridizing furnace |
| CN107892325B (en) * | 2017-11-27 | 2019-10-11 | 攀钢集团钒钛资源股份有限公司 | A kind of low temperature chlorination furnace halt production heat preserving method |
| CN109052459B (en) * | 2018-08-22 | 2021-05-25 | 攀钢集团攀枝花钢铁研究院有限公司 | For preparing TiCl4Chlorination furnace and furnace temperature control method thereof |
| CN113049132B (en) * | 2021-04-02 | 2022-03-22 | 攀钢集团攀枝花钛材有限公司 | Temperature measurement hole brick and fused salt chlorination furnace with temperature measurement device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245145A (en) * | 1999-08-30 | 2000-02-23 | 王德英 | Boiling chloration method for preparing ZrCl4 |
| CN1637374A (en) * | 2003-12-25 | 2005-07-13 | 坂口电热株式会社 | Electric furnace |
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2008
- 2008-03-12 CN CN2008103005374A patent/CN101264927B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245145A (en) * | 1999-08-30 | 2000-02-23 | 王德英 | Boiling chloration method for preparing ZrCl4 |
| CN1637374A (en) * | 2003-12-25 | 2005-07-13 | 坂口电热株式会社 | Electric furnace |
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| CN101264927A (en) | 2008-09-17 |
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