CN101250637A - Heat radiation and titanium hole-forming device during titanium sponge production reduction process - Google Patents
Heat radiation and titanium hole-forming device during titanium sponge production reduction process Download PDFInfo
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- CN101250637A CN101250637A CNA2008100687070A CN200810068707A CN101250637A CN 101250637 A CN101250637 A CN 101250637A CN A2008100687070 A CNA2008100687070 A CN A2008100687070A CN 200810068707 A CN200810068707 A CN 200810068707A CN 101250637 A CN101250637 A CN 101250637A
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Abstract
The invention relates to a proposal of a heat dissipation and titanium dump pore-forming device for a reduction process in titanium sponge production, wherein a reactor and a big cover are connected through a flange, a high temperature resistance sealing ring is arranged on the position for connecting the flange. The invention is characterized in that a hole is opened on the big cover of the reactor, a tube body is further arranged, and the tube body is extended into the reactor under liquid magnesium reaction liquid level, the tube body is a structure that the lower end is sealed and the upper end is open, the flange is arranged on the tube body and is connected with the big cover of the reactor, and a sealing ring is arranged between the flange and the big cover of the reactor. And the problems that the central portion in the reactor, in particular to the central of titanium dump in has bad radiating condition during deacidizing period in the process of producing titanium sponge, and deacidizing and feeding speed and products quality are influenced by over high temperatuere are solved.
Description
Technical field:
The present invention relates to titanium sponge production, the production equipment of reduction process during particularly the magnesium reduction titanium sponge is produced.
Background technology:
At present domestic and international industrial production titanium sponge all adopts the method for magnesium reduction titanium tetrachloride, the process that the magnesium method is produced titanium sponge is the liquid titanium tetrachloride under the normal temperature directly to be added in the reactor with liquid metal magnesium in the reactor by feeding tube contact, carry out reduction reaction, titanium tetrachloride is by magnesium metal reduction, and distillation makes titanium sponge after purifying.Titanium tetrachloride is a strong exothermic reaction by the magnesium metal reduction reaction, along with reaction process is carried out, must get rid of waste heat, if do not get rid of waste heat, temperature raises, and magnesium gasifies in a large number, causes technological process normally not carry out; Also can form ferro-titanium when temperature is too high and cause the titanium sponge compact structure and the product sintering, influence quality product, thereby the heat radiation of titanium sponge production reduction process be one of important technology controlling and process.For reducing production costs, titanium industrial expansion direction is the maximization of single furnace output.But, increase along with the type of furnace, the titanium centre that sticks together especially, the centre of reactor between reduction period, it is in bad order to dispel the heat, and it is untimely to dispel the heat, heat accumulation, temperature raises, the essential titanium tetrachloride feed rate that reduces on the technology controlling and process, control reaction, thereby had a strong impact on the whole production cycle, increased energy consumption; The titanium centre temperature drift that sticks together also can cause product center position sintering, sandwich MgCl
2On the high side, lump amount increases, compact product structure, has a strong impact on the qualification rate of product, has increased the production cost of titanium sponge.For this reason, some producers have adopted the way of furnace shell forced ventilation heat radiation more both at home and abroad, also are and will address this problem as the applicant's number of patent application 2006101102031 " process furnace of produce titanium sponge by combination method "; The way of employing in the inside reactor heat radiation also arranged, " external vanadium titanium " (the 7th volume) the 31st page of figure shown in Figure 27 as in September, 1975 publication of scientific and technical literature press Chongqing branch, number of patent application 200710011744.3 " method and apparatus of magnesium method titanium sponge production reactor inner heat exchange " and for example, the way in the inside reactor heat radiation of prior art, because heat exchanger only enters the above gas space of inside reactor liquid magnesium, can not strengthen the titanium heat radiation that sticks together, radiating effect is limited, still can not deal with problems at all.
Summary of the invention:
For solving in the titanium sponge production process between reduction period centre in the reactor, especially the titanium centre that sticks together, it is in bad order to dispel the heat, temperature is too high, the problem of influence reduction feed rate and quality product, the objective of the invention is to propose a kind of heat radiation that is used for titanium sponge production reduction process and the titanium hole-forming device that sticks together.
In order to achieve the above object, technical scheme of the present invention is: reactor is connected by flange with big lid, be provided with high-temperature resistant seal ring at its joint flange place, it is characterized in that covering opening greatly at reactor, add cylindrical shell, this cylindrical shell stretches to below the inside reactor liquid magnesium liquid level, and cylindrical shell is lower end sealing, the uncovered structure in upper end; On cylindrical shell, be provided with flange and be connected, be provided with sealing-ring therebetween with the big lid of reactor.
In the technical scheme of the present invention, because cylindrical shell is lower end sealing, the uncovered structure in upper end, when reduction reaction, reactor interior reaction temperature higher (being generally about 950 ℃), the intravital air of tube rises because of being heated, outside freezing air enters in the cylindrical shell thereupon, discharge waste heat by sufficient heat exchange, thereby realize heat radiation timely and effectively, reach that to solve between reduction period the inside reactor temperature too high, particularly titanium sticks together the centre because of heat passage not enough, and temperature is too high and cause the purpose of titanium sponge compact structure.
In the present invention, also can directly insert compressed air line, feed pressurized air to accelerate the discharge of heat in inner barrel; And be further outstanding radiating effect, also can in cylindrical shell, establish cooling module to increase radiating effect.
Different according to the size of reactor diameter and feed way are one or more covering the cylindrical shell of establishing greatly;
The shape of cross section of cylindrical shell is circle or shapes such as trilateral or rectangle or ellipse;
For avoiding the cylindrical shell polluted product, before device of the present invention uses first, earlier cylindrical shell is oozed titanium, make barrel outer surface form one deck and ooze titanium layer;
In reactor,, can establish temperature tube, temperature element is housed in temperature tube,, prevent that the centre temperature is too high, burn out cylindrical shell so that the temperature conditions of monitoring reaction device internal reaction is adjusted feed rate at any time near the cylindrical shell place;
The material of cylindrical shell 4 is 0Cr18Ni9Ti or high temperature alloys such as 1Cr18Ni9Ti or 1Cr18Si2.
The present invention except that having radiating effect, after reduction finishes, hang out cylindrical shell (and interior cooling module) after, in producing titanium sponge sticks together, also formed and the big or small identical hole of cylindrical shell 4 external diameters.In follow-up still-process, increased the distillation surface-area, also reduced the titanium centre that sticks together and distilled halfway situation inadequately because of heat passage, played the shortening distillation cycle, reduced sandwich titanium and (mainly contain MgCl
2) amount positively effect.
Therefore, according to this positively effect, even do not consider heat radiation, will be above-mentioned the sealing of cylindrical shell upper end, promptly also can obtain a kind of titanium that is used for titanium sponge production reduction process hole-forming device that sticks together.After adopting this structure, in follow-up still-process, increased titanium sponge distillation surface-area, also reduced the titanium centre that sticks together and distilled halfway situation inadequately, reached the shortening distillation cycle, reduced sandwich titanium and (mainly contain MgCl because of heat passage
2) amount positively effect.
The present invention has following advantage and positively effect:
1, especially the titanium centre heat radiation that sticks together is untimely to have overcome in the reactor centre, and heat accumulation causes centre titanium sponge sintering, sandwich MgCl
2The compact structure problem on the high side with lump is example with 12 tons/stove, the sandwich MgCl of every stove
2Titanium reduces about 250kg.
2, because of having realized positive radiating effect, can improve the reduction feed rate greatly, be example with 12 tons/stove, reduces the reinforced 25 hours time of reduction, reduced the production cycle of titanium sponge significantly, reduced production cost and energy consumption.
3, owing to the inner pore-forming that sticks together at titanium sponge, when distillation, form vacuum tunnel, help the volatilization of Mg and MgCl2, thereby reduce the distillation time of titanium sponge.
Titanium sponge production of the present invention reduction heat radiation and the titanium hole-forming device that sticks together has improved centre during the titanium sponge reduction, especially the titanium centre that sticks together, temperature heat radiation is untimely, feed rate is little, power consumption height during the reduction-distillation, production cycle are long, problems such as titanium sponge compact structure; Improve quality product, reduced production cost, improved operator's labor condition.It is simple, easy to operate that this device has equipment, and advantages such as long operational time are a kind of very practical and effective production equipments.The present invention is applicable to the producer that adopts the magnesium method to produce titanium sponge, is applicable to integrated process and non-produce titanium sponge by combination method.
Description of drawings:
Fig. 1 is embodiments of the invention 1 cross-sectional schematic.
Fig. 2 is embodiment 2: the cross-sectional schematic that compressed air pipe is arranged
Fig. 3 is embodiment 3: the cross-sectional schematic that cooling module is arranged
Fig. 4 is embodiment 4: a kind of cross-sectional schematic of improvement project
Fig. 5 is a kind of titanium of the present invention hole-forming device cross-sectional schematic that sticks together
Among above-mentioned each figure: 1-reactor, the big lid of 2-, 3-high-temperature resistant seal ring, 4-cylindrical shell, 5-flange, 6-elastic seal ring, 7-compressed air pipe, 8-heat pipe, 9-temperature tube, 10-liquid magnesium, 11-cooling cylinder.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Embodiment 1:
As shown in Figure 1, reactor 1 and big lid 2 are connected by flange, are provided with high-temperature resistant seal ring 3 at its joint flange place, are being provided with cylindrical shell 4 on big lid 2, and cylindrical shell 4 stretches to below reactor 1 internal liquid magnesium 10 liquid levels, and cylindrical shell 4 is that the lower end seals, the uncovered structure in upper end; On cylindrical shell 4, be provided with flange 5 and be connected, be provided with elastic seal ring 6 therebetween with big lid 2; In reactor,, be provided with temperature tube 9, in temperature tube 9, temperature element be housed near cylindrical shell 4 places.
Because cylindrical shell 4 is lower end sealing, the uncovered structure in upper end, when reduction reaction, because reactor interior reaction temperature higher (being generally about 950 ℃), air in the cylindrical shell 4 is heated and rises, outside freezing air enters in the cylindrical shell 4 thereupon, so circulate, realized the radiating effect of reduction process in the titanium sponge production.
Embodiment 2:
As shown in Figure 2, a kind of improvement project on the basis of embodiment 1:, to accelerate the discharge of heat, increase radiating effect by pressurized air at the cylindrical shell 4 inner compressed air pipes 7 that insert.
Embodiment 3:
As shown in Figure 3, for realizing radiating effect of the present invention better, designer of the present invention has also proposed another improvement project at the technical scheme of embodiment 1, promptly in cylindrical shell 4, establish cooling module, cooling module is a heat pipe 8, and heat pipe 8 mouths of pipe are respectively heat-eliminating medium inlet and heat-eliminating medium outlet.
In the present embodiment, the material of heat pipe 8 is that copper or iron or alloy material etc. are made, and heat pipe 8 is spiral tube or serpentine tube or U type pipe or other set-up mode in cylindrical shell 4.
In the present embodiment, the heat-eliminating medium that adds from the heat-eliminating medium inlet is water or chilled brine or frozen gas etc.
Embodiment 4:
As shown in Figure 4, designer of the present invention has also proposed another improvement project at the technical scheme of embodiment 3, promptly in cylindrical shell 4, establish cooling module, cooling module is made up of cooling cylinder 11 and heat pipe 8, cooling cylinder 11 is provided with flange and is connected with cylindrical shell 4, cooling cylinder 11 inside heat pipe 8 is housed, heat pipe 8 mouths of pipe are respectively heat-eliminating medium inlet and heat-eliminating medium exports.
Embodiment 5:
As shown in Figure 5, upper end sealing with the cylindrical shell 4 of the foregoing description 1, can obtain a kind of titanium that is used for titanium sponge production reduction process hole-forming device that sticks together, this device is connected by flange by reactor 1 and big lid 2, be provided with high-temperature resistant seal ring 3 at its joint flange place, be provided with cylindrical shell 4 on big lid 2, cylindrical shell 4 stretches to below reactor 1 internal liquid magnesium 10 liquid levels, and the upper and lower end of cylindrical shell 4 is sealed structure; Cylindrical shell 4 is provided with flange 5 and is connected with big lid 2, is provided with elastic seal ring 6 therebetween.After reduction finishes, hang out cylindrical shell 4 after, in producing titanium sponge sticks together, formed and the big or small identical hole of cylindrical shell 4 external diameters.
In above-mentioned cylindrical shell 4, can fill heat-stable material.
Claims (14)
1, a kind of heat radiation of titanium sponge production reduction process and the titanium hole-forming device that sticks together, reactor (1) is connected by flange with big lid (2), be provided with high-temperature resistant seal ring (3) at its joint flange place, it is characterized in that on Da Gai (2), being provided with cylindrical shell (4), described cylindrical shell (4) stretches to reactor (1) internal liquid magnesium (10) below the liquid level, and cylindrical shell (4) is lower end sealing, the uncovered structure in upper end.
2, according to the heat radiation of the described a kind of titanium sponge production reduction process of claim 1 and the titanium hole-forming device that sticks together, it is characterized in that on cylindrical shell (4), being provided with flange (5) and be connected with big lid (2), be provided with elastic seal ring (6) therebetween.
3, according to the heat radiation of the described a kind of titanium sponge production reduction process of claim 1 and the titanium hole-forming device that sticks together, it is characterized in that at the inner compressed air pipe (7) that inserts of cylindrical shell (4).
4, according to the heat radiation of the described a kind of titanium sponge production reduction process of claim 1 and the titanium hole-forming device that sticks together, it is characterized in that the cylindrical shell of establishing (4) is one or more on Da Gai (2).
5, according to the heat radiation of the described a kind of titanium sponge production reduction process of claim 1 and the titanium hole-forming device that sticks together, the shape of cross section that it is characterized in that cylindrical shell (4) is circle or trilateral or rectangle or elliptical shape.
6, according to the heat radiation of the described a kind of titanium sponge production reduction process of claim 1 and the titanium hole-forming device that sticks together, it is characterized in that the material to cylindrical shell (4) is 0Cr18Ni9Ti or 1Cr18Ni9Ti or 1Cr18Si2 high temperature alloy.
7, according to the heat radiation of the described a kind of titanium sponge production reduction process of claim 1 and the titanium hole-forming device that sticks together, it is characterized in that cylindrical shell (4) is oozed titanium, make cylindrical shell (4) outside surface form one deck and ooze titanium layer.
8, according to the heat radiation of the described a kind of titanium sponge production reduction process of claim 1 and the titanium hole-forming device that sticks together, it is characterized in that in reactor, locating, be provided with temperature tube (9), in temperature tube (9), temperature element is housed near cylindrical shell (4).
9, according to the heat radiation of the described a kind of titanium sponge production reduction process of claim 1 and the titanium hole-forming device that sticks together, it is characterized in that in cylindrical shell (4), establishing cooling module, cooling module is heat pipe (8), and heat pipe (8) mouth of pipe is respectively heat-eliminating medium inlet and heat-eliminating medium outlet.
10, according to the heat radiation of the described a kind of titanium sponge production reduction process of claim 1 and the titanium hole-forming device that sticks together, it is characterized in that in cylindrical shell (4), establishing cooling module, cooling module is made up of cooling cylinder (11) and heat pipe (8), cooling cylinder (11) is provided with flange and is connected with cylindrical shell (4), cooling cylinder (11) inside heat pipe (8) is housed, heat pipe (8) mouth of pipe is respectively heat-eliminating medium inlet and heat-eliminating medium exports.
11, according to the heat radiation of claim 9 or 10 described a kind of titanium sponge production reduction processes and the titanium hole-forming device that sticks together, the material that it is characterized in that described heat pipe (8) is that copper or ferroalloy materials are made, and heat pipe (8) is spiral tube or serpentine tube or U type pipe set-up mode in cylindrical shell (4).
12, according to the heat radiation of claim 9 or 10 described a kind of titanium sponge production reduction processes and the titanium hole-forming device that sticks together, it is characterized in that the described heat-eliminating medium that adds from the heat-eliminating medium inlet is water or chilled brine or frozen gas.
13, a kind of titanium of titanium sponge production reduction process hole-forming device that sticks together, reactor (1) is connected by flange with big lid (2), be provided with high-temperature resistant seal ring (3) at its joint flange place, it is characterized in that on Da Gai (2), being provided with cylindrical shell (4), described cylindrical shell (4) stretches to reactor (1) internal liquid magnesium (10) below the liquid level, and the upper and lower end of cylindrical shell (4) is sealed structure.
14, according to the titanium of the described a kind of titanium sponge production reduction process of claim 13 hole-forming device that sticks together, it is characterized in that filling in the described cylindrical shell (4) heat-stable material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100687070A CN101250637A (en) | 2008-04-11 | 2008-04-11 | Heat radiation and titanium hole-forming device during titanium sponge production reduction process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100687070A CN101250637A (en) | 2008-04-11 | 2008-04-11 | Heat radiation and titanium hole-forming device during titanium sponge production reduction process |
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| CN101250637A true CN101250637A (en) | 2008-08-27 |
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| CNA2008100687070A Pending CN101250637A (en) | 2008-04-11 | 2008-04-11 | Heat radiation and titanium hole-forming device during titanium sponge production reduction process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534260A (en) * | 2012-01-18 | 2012-07-04 | 深圳市新星轻合金材料股份有限公司 | Process method for preparing sponge titanium with sodium fluorotitanate as raw material |
| CN107119199A (en) * | 2017-07-11 | 2017-09-01 | 朝阳金达钛业股份有限公司 | The process units and its production method of a kind of low impurity content titanium valve |
| 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 |
| CN110760699A (en) * | 2019-12-04 | 2020-02-07 | 遵义钛业股份有限公司 | Titanium lump center forced heat dissipation and vaporization feeding device for titanium sponge reduction production |
| CN114592134A (en) * | 2022-03-09 | 2022-06-07 | 河南龙佰智能装备制造有限公司 | Air cooling device for large cover of titanium sponge I-type reactor |
-
2008
- 2008-04-11 CN CNA2008100687070A patent/CN101250637A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534260A (en) * | 2012-01-18 | 2012-07-04 | 深圳市新星轻合金材料股份有限公司 | Process method for preparing sponge titanium with sodium fluorotitanate as raw material |
| CN107119199A (en) * | 2017-07-11 | 2017-09-01 | 朝阳金达钛业股份有限公司 | The process units and its production method of a kind of low impurity content titanium valve |
| 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 |
| CN110760699A (en) * | 2019-12-04 | 2020-02-07 | 遵义钛业股份有限公司 | Titanium lump center forced heat dissipation and vaporization feeding device for titanium sponge reduction production |
| CN114592134A (en) * | 2022-03-09 | 2022-06-07 | 河南龙佰智能装备制造有限公司 | Air cooling device for large cover of titanium sponge I-type reactor |
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Open date: 20080827 |