CN110760699A - Titanium lump center forced heat dissipation and vaporization feeding device for titanium sponge reduction production - Google Patents
Titanium lump center forced heat dissipation and vaporization feeding device for titanium sponge reduction production Download PDFInfo
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- CN110760699A CN110760699A CN201911228548.0A CN201911228548A CN110760699A CN 110760699 A CN110760699 A CN 110760699A CN 201911228548 A CN201911228548 A CN 201911228548A CN 110760699 A CN110760699 A CN 110760699A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
- C22B34/1263—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining metallic titanium from titanium compounds, e.g. by reduction
- C22B34/1268—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining metallic titanium from titanium compounds, e.g. by reduction using alkali or alkaline-earth metals or amalgams
- C22B34/1272—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining metallic titanium from titanium compounds, e.g. by reduction using alkali or alkaline-earth metals or amalgams reduction of titanium halides, e.g. Kroll process
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Abstract
A central forced heat dissipation and vaporization feeding device of a titanium lump for titanium sponge reduction production mainly comprises a reactor, a sealing gasket, a large cover, a graphite sealing gasket, a vaporization device, a vapor feeding pipe and a sieve plate, wherein the reactor and the large cover are connected by the sealing gasket; the vaporization device is arranged in the reactor through the large cover, and the distance between the vaporization device and the sieve plate is 5-8 c m, the vaporization device consists of a titanium seal plate, a titanium pipe, a flange and a coiled pipe to form a closed system, and a casting body is formed between the coiled pipe and the titanium pipe by adopting heat-resistant stainless steel for casting; the top end of the coiled pipe is connected with the heat exchanger through a corrugated pipe; the heat exchanger is connected with more than two steam charging pipes which penetrate through the large cover and are arranged in the reactor. The invention avoids the influence of iron element of the vaporization device on the product quality, realizes the forced cooling of titanium tetrachloride, avoids the potential safety hazard of explosion of water and magnesium or magnesium chloride, and realizes the multipoint uniform vaporization feeding in the reduction production.
Description
Technical Field
The invention relates to a titanium sponge production device, in particular to a titanium lump center forced heat dissipation and vaporization feeding device for titanium sponge reduction production.
Background
At present, the country isThe sponge titanium is produced by reducing titanium tetrachloride with magnesium in internal and external industries, and most of the furnaces are produced by adopting an inverted U-shaped combined method in the reduction distillation process. In order to reduce the production cost, the large-scale equipment is taken as a technical development direction in all countries. However, as the furnace shape increases, the heat dissipation from the central part of the reactor during the reduction period is not timely, i.e. the temperature of the central part is higher, so that the products at the central part are sintered and MgCl is sandwiched2The problems of excessive hard blocks, increase of hard block amount and compact product structure are solved, so that the qualification rate of the product is seriously influenced, and the production cost of the titanium sponge is increased. Because of the limitation of process conditions and equipment materials, the reduction heat dissipation capability is insufficient, the material speed added during the reduction of the titanium sponge is not large, the distillation time is long, the whole production period is seriously influenced, and the energy consumption is increased. Therefore, some manufacturers adopt forced ventilation and heat dissipation of the furnace shell, and can only take away the surface heat of the reactor, but cannot solve the problem of central heat dissipation of the titanium lump. The applicant has developed a heat dissipation and titanium lump pore-forming device (CN 101250637A) in the titanium sponge production reduction process in 2008, and the device can take away the reaction waste heat of the reduction center, increase the feeding speed, enable the titanium lump center to form pores, increase the surface area of the titanium lump, improve the titanium sponge structure, save the production power consumption and the like. However, if the device adopts ventilation and heat dissipation, the specific heat of air is small, the heat taken away is not obvious, the device is easy to burn out, and particularly, the device is easy to break when being lifted out after reduction is finished; if water is used for cooling, the water is contacted with magnesium or magnesium chloride to explode at the high temperature of 1000 ℃, so that great potential safety hazard exists.
Disclosure of Invention
The invention aims to solve the problems that the heat dissipation in the reduction process of titanium sponge production and the titanium lump pore-forming device adopt ventilation heat dissipation, the specific heat of air is small, the taken heat is not obvious, the device is easy to burn out, and particularly the device is easy to break after the reduction is finished and is hung out; if water is used for cooling, the water is contacted with magnesium or magnesium chloride to explode at the high temperature of 1000 ℃, so that the technical problem of great potential safety hazard exists.
In order to solve the technical problems, the invention adopts the following technical scheme:
a titanium lump center forced heat dissipation and vaporization feeding device for titanium sponge reduction production mainly comprises a reactor 1, a sealing gasket 2, a large cover 3, a graphite sealing gasket 4, a vaporization device 5, a gas feeding pipe 7 and a sieve plate 10, wherein the reactor 1 and the large cover 3 are connected by the sealing gasket 2; the vaporizing device 5 is arranged in the reactor 1 through the large cover 2, the distance between the vaporizing device 5 and the sieve plate 10 is 5-8 c m, the vaporizing device 5 consists of a titanium closing plate 501, a titanium pipe 502, a flange 503 and a coiled pipe 504 to form a closed system, and a casting body 505 is formed between the coiled pipe 504 and the titanium pipe 502 by adopting heat-resistant stainless steel casting; the top end of the coiled pipe 504 is connected with a heat exchanger 8 through a corrugated pipe 6; the heat exchanger 8 is connected with more than two steam charging pipes 7 which pass through the large cover 2 and are arranged in the reactor 1.
The invention has the beneficial effects that:
1. the invention avoids the influence of the iron element of the vaporizing device on the product quality.
2. The invention realizes the forced cooling of titanium tetrachloride and avoids the potential safety hazard of explosion of water and magnesium or magnesium chloride.
3. The invention realizes the multi-point uniform vaporization charging in the reduction production.
Drawings
FIG. 1 is a production schematic diagram of a central forced heat dissipation and vaporization charging device of a titanium lump for reduction production of titanium sponge.
In the figure: 1-reactor, 2-sealing pad, 3-big cover, 4-graphite sealing pad, 5-vaporizer, 6-corrugated pipe, 7-gas feed pipe, 8-heat exchanger, 9-magnesium liquid level, 10-sieve plate.
FIG. 2 is a sectional view of a vaporization device in the center forced heat dissipation and vaporization charging device of the titanium lump for titanium sponge reduction production.
In the figure: 501-titanium closing plate, 502-titanium pipe, 503-flange, 504-coiled pipe and 505-casting body.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figures 1 and 2, the device for the center forced heat dissipation and vaporization feeding of the titanium lump for the reduction production of the titanium sponge mainly comprises a reactor 1, a sealing gasket 2, a large cover 3, a graphite sealing gasket 4, a vaporizing device 5, a vapor feeding pipe 7 and a sieve plate 10, wherein the reactor 1 and the large cover 3 are connected by the sealing gasket 2; the vaporizing device 5 is arranged in the reactor 1 through the big cover 2, and the distance between the vaporizing device 5 and the sieve plate 10 is 5-8 c m, wherein the vaporizing device 5 consists of a titanium closing plate 501, a titanium pipe 502, a flange 503 and a coiled pipe 504 to form a closed system;
a casting body 505 is formed between the coiled pipe 504 and the titanium pipe 502 by adopting heat-resistant stainless steel casting; the top end of the coiled pipe 504 is connected with a heat exchanger 8 through a corrugated pipe 6;
the heat exchanger 8 is connected with more than two steam charging pipes 7 which pass through the large cover 2 and are arranged in the reactor 1.
During reduction feeding, liquid titanium tetrachloride reaches the bottom end of the vaporizing device 5 through the inlet of the coiled pipe 504 and is vaporized at high temperature, the vaporized titanium tetrachloride flows into the heat exchanger 8 through the outlet of the coiled pipe 504 through the corrugated pipe 6, the temperature of high-temperature gas of the titanium tetrachloride in the heat exchanger 8 is reduced to about 200 ℃, and the gaseous titanium tetrachloride enters the reactor 1 through the gas feeding pipe 7 for reduction production. After the reduction is finished, the vaporization device 5 is lifted out, and a hole is formed in the center of the titanium lump.
The titanium lump central forced heat dissipation and vaporization feeding device for titanium sponge reduction production realizes reduction forced heat dissipation and multipoint vaporization feeding, and achieves the purposes of shortening reduction and distillation production, saving power consumption, improving titanium sponge products and safety production.
Claims (1)
1. A titanium lump center forced heat dissipation and vaporization feeding device for titanium sponge reduction production mainly comprises a reactor (1), a sealing gasket (2), a large cover (3), a graphite sealing gasket (4), a vaporization device (5), a gas feeding pipe (7) and a sieve plate (10), wherein the reactor (1) and the large cover (3) are connected through the sealing gasket (2); the method is characterized in that:
the vaporizing device (5) penetrates through the large cover (2) and is arranged in the reactor (1), and the distance between the vaporizing device and the sieve plate (10) is 5-8 c m;
the vaporizing device (5) is a closed system consisting of a titanium closing plate (501), a titanium pipe (502), a flange (503) and a coiled pipe (504);
a casting body (505) is formed between the coiled pipe (504) and the titanium pipe (502) by adopting heat-resistant stainless steel casting;
the top end of the coiled pipe (504) is connected with a heat exchanger (8) through a corrugated pipe (6);
the heat exchanger (8) is connected with more than two steam feeding pipes (7) which pass through the large cover (2) and are arranged in the reactor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911228548.0A CN110760699A (en) | 2019-12-04 | 2019-12-04 | Titanium lump center forced heat dissipation and vaporization feeding device for titanium sponge reduction production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911228548.0A CN110760699A (en) | 2019-12-04 | 2019-12-04 | Titanium lump center forced heat dissipation and vaporization feeding device for titanium sponge reduction production |
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| CN110760699A true CN110760699A (en) | 2020-02-07 |
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| CN201911228548.0A Pending CN110760699A (en) | 2019-12-04 | 2019-12-04 | Titanium lump center forced heat dissipation and vaporization feeding device for titanium sponge reduction production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113061751A (en) * | 2021-03-26 | 2021-07-02 | 遵义钛业股份有限公司 | Device for cooling and collecting titanium tetrachloride for large cover in titanium sponge reduction production |
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| CN200974862Y (en) * | 2006-11-23 | 2007-11-14 | 遵义钛业股份有限公司 | Titanic chloride gasification apparatus for producing titanium sponge by magnesium process |
| CN101078062A (en) * | 2007-06-18 | 2007-11-28 | 中信锦州铁合金股份有限公司 | Method and device for magnesium method titanium sponge production reactor inner heat exchange |
| CN101250637A (en) * | 2008-04-11 | 2008-08-27 | 遵义钛业股份有限公司 | Heat radiation and titanium hole-forming device during titanium sponge production reduction process |
| CN201614395U (en) * | 2009-10-26 | 2010-10-27 | 遵义钛业股份有限公司 | Reduction unit for titanium sponge preparation using magnesium reduction process |
| CN204779762U (en) * | 2015-07-13 | 2015-11-18 | 攀枝花钢企欣宇化工有限公司 | Titanium tetrachloride gasification equipment |
| CN204939588U (en) * | 2015-08-19 | 2016-01-06 | 攀枝花钢企欣宇化工有限公司 | Reduction reactor center refrigerating unit |
| CN105925820A (en) * | 2016-04-27 | 2016-09-07 | 王进民 | Tubular heat exchanger with inert coating layer and application to titanium sponge production |
| CN206887193U (en) * | 2017-07-17 | 2018-01-16 | 朝阳金达钛业股份有限公司 | A kind of charging pipe device for titanium sponge production |
| CN108396144A (en) * | 2018-05-29 | 2018-08-14 | 遵义钛业股份有限公司 | A kind of reduction apparatus during titanium sponge production |
| CN110157926A (en) * | 2019-06-19 | 2019-08-23 | 遵义钛业股份有限公司 | Band feeds the big lid of UTILIZATION OF VESIDUAL HEAT IN during a kind of titanium sponge reduction |
-
2019
- 2019-12-04 CN CN201911228548.0A patent/CN110760699A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200974862Y (en) * | 2006-11-23 | 2007-11-14 | 遵义钛业股份有限公司 | Titanic chloride gasification apparatus for producing titanium sponge by magnesium process |
| CN101078062A (en) * | 2007-06-18 | 2007-11-28 | 中信锦州铁合金股份有限公司 | Method and device for magnesium method titanium sponge production reactor inner heat exchange |
| CN101250637A (en) * | 2008-04-11 | 2008-08-27 | 遵义钛业股份有限公司 | Heat radiation and titanium hole-forming device during titanium sponge production reduction process |
| CN201614395U (en) * | 2009-10-26 | 2010-10-27 | 遵义钛业股份有限公司 | Reduction unit for titanium sponge preparation using magnesium reduction process |
| CN204779762U (en) * | 2015-07-13 | 2015-11-18 | 攀枝花钢企欣宇化工有限公司 | Titanium tetrachloride gasification equipment |
| CN204939588U (en) * | 2015-08-19 | 2016-01-06 | 攀枝花钢企欣宇化工有限公司 | Reduction reactor center refrigerating unit |
| CN105925820A (en) * | 2016-04-27 | 2016-09-07 | 王进民 | Tubular heat exchanger with inert coating layer and application to titanium sponge production |
| CN206887193U (en) * | 2017-07-17 | 2018-01-16 | 朝阳金达钛业股份有限公司 | A kind of charging pipe device for titanium sponge production |
| CN108396144A (en) * | 2018-05-29 | 2018-08-14 | 遵义钛业股份有限公司 | A kind of reduction apparatus during titanium sponge production |
| CN110157926A (en) * | 2019-06-19 | 2019-08-23 | 遵义钛业股份有限公司 | Band feeds the big lid of UTILIZATION OF VESIDUAL HEAT IN during a kind of titanium sponge reduction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113061751A (en) * | 2021-03-26 | 2021-07-02 | 遵义钛业股份有限公司 | Device for cooling and collecting titanium tetrachloride for large cover in titanium sponge reduction production |
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