CN101638729A - Radiating method in sponge titanium producing process by magnesium method - Google Patents
Radiating method in sponge titanium producing process by magnesium method Download PDFInfo
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- CN101638729A CN101638729A CN200910102745A CN200910102745A CN101638729A CN 101638729 A CN101638729 A CN 101638729A CN 200910102745 A CN200910102745 A CN 200910102745A CN 200910102745 A CN200910102745 A CN 200910102745A CN 101638729 A CN101638729 A CN 101638729A
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Abstract
The invention relates to a radiating method in a sponge titanium producing process by a magnesium method, comprising the following steps: a radiating device is arranged on a large cover of a reactor,and cooling media are continuously led into the radiating device in a reducing process to radiate in the large cover of the reactor. By using the method, when sponge titanium is reduced, because a reaction liquid level has high temperature (generally about 950 DEG C), heat directly radiates on the large cover of the reactor by heat radiation, the temperature of the large cover of the reactor quickly rises, the cooling media are continuously led into a cooling medium inlet of the radiating device and flow out of a cooling medium outlet, thereby realizing effective heat exchange and achieving the radiating effect of the radiating process in the sponge titanium production.
Description
Technical field
The present invention relates to the production method of titanium sponge, the heat dissipating method of reduction process during particularly titanium sponge is produced.
Background technology
The industrial production titanium sponge all adopts magnesium reduction titanium tetrachloride method both at home and abroad at present, and in the reduction distillation operation, the type of furnace is most to adopt " U " type integrated process to produce, and is characterized in that single furnace output is big, high-grade-goods rate height, the advantage that energy consumption is low.For reducing production costs, each state all with equipment enlarging as technological development direction.But, along with the increase of the type of furnace, between reduction period inside reactor heat radiation untimely, easily cause centre product sintering, sandwich MgCl
2On the high side, lump amount increases, climbs the increase of ancient piece of jade, round, flat and with a hole in its centre titanium, compact product structure problem, thereby has a strong impact on the qualification rate of product, has increased the production cost of titanium sponge.Owing to be subjected to the restriction of processing condition and equipment and materials, the reduction heat-sinking capability is insufficient, and added material speed is little during the titanium sponge reduction, and the reinforced time is long, has had a strong impact on the whole production cycle.For this reason, abroad some producers have adopted the heat radiation of furnace shell forced ventilation, but still can not deal with problems at all.
Summary of the invention
The objective of the invention is to for solve producing in the titanium sponge process between reduction period the reactor interior reaction temperature too highly, causing problems such as the reduction feed rate can not improve, invented the heat dissipating method in a kind of sponge titanium producing process by magnesium method.
Heat dissipating method in a kind of sponge titanium producing process by magnesium method promptly covers greatly at reactor and is provided with heat abstractor, in when reduction, feeds heat-eliminating medium continuously in heat abstractor, reaches from the big lid of the reactor purpose of dispelling the heat.
Owing to produce in the reduction process of titanium sponge in the magnesium method, reaction solution surface temperature higher (being generally about 950 ℃) in the reactor, heat is to the big lid direct radiation of reactor, the present invention by continuously to heat abstractor that the big lid of reactor links to each other in feed heat-eliminating medium, discharge waste heat by sufficient heat exchange, thereby realize heat radiation timely and effectively, reach the too high timely eliminating waste heat of inside reactor temperature between the solution reduction period, solve the titanium sponge compact structure, reduce and climb ancient piece of jade, round, flat and with a hole in its centre titanium weight, the purpose of increase feed rate minimizing production cycle.
In the present invention, described heat abstractor is to be connected reactor by section bars such as plate, grooves to cover greatly, covers greatly at reactor and forms airtight or open topped cavity, establishes heat-eliminating medium inlet and heat-eliminating medium outlet respectively at the two ends of cavity;
In the present invention, described heat abstractor can also be a radiating pipe, is formed by canal curvature, and an end of pipe is that the heat-eliminating medium inlet and the other end are the heat-eliminating medium outlet.
In the present invention, described heat abstractor can also be made up of the radiator element more than 1.
In the present invention, described heat-eliminating medium is argon gas or pressurized air, and is further outstanding radiating effect, goes back water, chilled brine, liquid metal or liquid alloy etc., to increase radiating effect.
Heat dissipating method of the present invention has following advantage and positively effect:
1, it is untimely to have overcome in the stove centre heat radiation, causes centre titanium sponge sintering, sandwich MgCl
2The compact structure problem on the high side with lump.
2, because of having realized radiating effect, can improve the reduction feed rate greatly,, reduce the recovery time 1/4 ~ 1/3, reduce the production cycle of titanium sponge significantly, reduce production cost, energy loss adding under the situation that equates material.
3, because of having realized radiating effect,, significantly reduced the weight of climbing ancient piece of jade, round, flat and with a hole in its centre titanium, increased the percentage of product and the qualification rate of product in the reduction middle and later periods.
4, owing to the structure that sticks together at titanium sponge improves, help Mg and MgCl during distillation
2Volatilization, thereby reduce the distillation time 1/5 of titanium sponge.
5, present method also has advantages such as simple, easy to operate, long operational time.
Description of drawings:
Fig. 1 is the synoptic diagram of the heat dissipating method in a kind of sponge titanium producing process by magnesium method of the present invention.
Fig. 2 is a synoptic diagram by board making for the heat abstractor of using in the heat dissipating method in a kind of sponge titanium producing process by magnesium method of the present invention.
Fig. 3 is the synoptic diagram of radiating pipe for the heat abstractor of using in the heat dissipating method in a kind of sponge titanium producing process by magnesium method of the present invention.
Among the figure: the big lid of 1-reactor, 2-heat abstractor, 3-heat-eliminating medium inlet, the outlet of 4-heat-eliminating medium
Embodiment
With embodiment the present invention is described in further detail in conjunction with the accompanying drawings.
Embodiment 1:
As shown in Figure 1, the heat dissipating method in a kind of sponge titanium producing process by magnesium method is characterized in that being provided with heat abstractor 2 on the big lid 1 of reactor, and in when reduction, feeding heat-eliminating medium to heat abstractor 2 in continuously reaches from the big lid 1 of the reactor purpose of dispelling the heat.
Utilize method of the present invention, when titanium sponge reduction, because reaction solution surface temperature higher (being generally about 950 ℃), heat mainly covers greatly at reactor by the thermal radiation direct radiation, the temperature of the big lid of reactor sharply rises, and goes into 3 from the heat-eliminating medium of heat abstractor 2 and constantly feeds heat-eliminating medium, and heat-eliminating medium flows out from heat-eliminating medium outlet 4, thereby realize effective heat exchange, then reached the radiating effect of reduction process during titanium sponge is produced.
In actual application, heat abstractor 2 can also be directly connected in reactor by section bars such as channel-section steels and cover greatly, covers greatly at reactor and forms airtight or open topped cavity, establishes heat-eliminating medium inlet 3 and heat-eliminating medium outlet 4 respectively at the two ends of cavity.
Shown in Figure 3, be that heat abstractor 2 is radiating pipe among the present invention, form by canal curvature, its one end is that the heat-eliminating medium inlet 3 and the other end are heat-eliminating medium outlet 4.
Utilize heat dissipating method of the present invention to improve that the heat radiation of inside reactor temperature is untimely during the titanium sponge reduction, feed rate is little, climb that ancient piece of jade, round, flat and with a hole in its centre titanium is many, power consumption height, production cycle such as grow at problem during the reduction-distillation.Reduce production cost simultaneously and improved operator's labor condition.
Claims (5)
1, the heat dissipating method in a kind of sponge titanium producing process by magnesium method, it is characterized in that: on the big lid of reactor (1), be provided with heat abstractor (2), in when reduction, feeding heat-eliminating medium to heat abstractor (2) in continuously reaches from the big lid of reactor (1) purpose of dispelling the heat.
2, the heat dissipating method in a kind of sponge titanium producing process by magnesium method according to claim 1, it is characterized in that: described heat abstractor (2) is to be connected reactor by section bars such as plate, grooves to cover greatly, cover the airtight or open topped cavity of formation greatly at reactor, be respectively equipped with heat-eliminating medium inlet (3) and heat-eliminating medium outlet (4) at the two ends of cavity.
3, the heat dissipating method in a kind of sponge titanium producing process by magnesium method according to claim 1, it is characterized in that: described heat abstractor (2) is a radiating pipe, formed by canal curvature, the one end is that the heat-eliminating medium inlet (3) and the other end are heat-eliminating medium outlet (4).
4, the heat dissipating method in a kind of sponge titanium producing process by magnesium method according to claim 1 is characterized in that described heat abstractor (2) is the radiator element composition more than 1.
5, according to the heat dissipating method in claim 1 or 2 or the 3 or 4 described a kind of sponge titanium producing process by magnesium method, it is characterized in that: described heat-eliminating medium is argon gas or pressurized air or water or chilled brine or liquid metal or liquid alloy etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910102745A CN101638729A (en) | 2009-08-19 | 2009-08-19 | Radiating method in sponge titanium producing process by magnesium method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910102745A CN101638729A (en) | 2009-08-19 | 2009-08-19 | Radiating method in sponge titanium producing process by magnesium method |
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| CN101638729A true CN101638729A (en) | 2010-02-03 |
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| CN200910102745A Pending CN101638729A (en) | 2009-08-19 | 2009-08-19 | Radiating method in sponge titanium producing process by magnesium method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103849784A (en) * | 2012-11-28 | 2014-06-11 | 沈阳铝镁设计研究院有限公司 | Distillation retort cooling device and cooling method |
-
2009
- 2009-08-19 CN CN200910102745A patent/CN101638729A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103849784A (en) * | 2012-11-28 | 2014-06-11 | 沈阳铝镁设计研究院有限公司 | Distillation retort cooling device and cooling method |
| CN103849784B (en) * | 2012-11-28 | 2015-08-19 | 沈阳铝镁设计研究院有限公司 | A kind of refrigerating unit of retort and method of cooling |
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Open date: 20100203 |