CN203469514U - Heating device applicable to titanium tetrachloride refining process - Google Patents
Heating device applicable to titanium tetrachloride refining process Download PDFInfo
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- CN203469514U CN203469514U CN201320473226.4U CN201320473226U CN203469514U CN 203469514 U CN203469514 U CN 203469514U CN 201320473226 U CN201320473226 U CN 201320473226U CN 203469514 U CN203469514 U CN 203469514U
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Abstract
The utility model discloses a heating device applicable to a titanium tetrachloride refining process. The heating device applicable to the titanium tetrachloride refining process comprises an overhead tank, a heat exchanger I, a rectifying tower I, a settling tank I, a reboiler I, a heat exchanger II, a rectifying tower II, a heat exchanger III, a reboiler II, a reboiler III, a rectifying tower III, a heat exchanger IV and a measuring tank which are connected in sequence through a pipeline; the reboiler I and the reboiler III are heated by steam; the reboiler II is heated electrically. Due to the combined adoption of the steam heating and electric heating, the problems of the prior art can be avoided; an automatic operation process of a system stable in operation can be realized; the working efficiency can be improved; the production cost can be lowered.
Description
Technical field
The utility model relates to the heater in a kind of chemical system, relates in particular to a kind of heater being applied in titanium tetrachloride refining step.
Background technology
The main Electric heating that adopts in existing titanium tetrachloride Refining process, electrical heating is generally interior heating.Electric heating can be divided into two kinds of snead process and indirect heating methods, because of titanium tetrachloride itself non-conductive, so can adopt snead process, that is: the heating rod of low-voltage and high-current is directly inserted in reboiler and heated, but because the temperature of heating rod is higher, so snead process is only applicable to that chemical reaction does not occur and the heating of the titanium tetrachloride of the impurity that is difficult for scabbing; Indirect heating method, electrical heating elements is put into stainless steel sleeve, again this double pipe heater is inserted to the mode of distillation still heating, this is applicable to using and high-power heating kettle, but use this Electric heating energy consumption higher, one ton of titanium tetrachloride electricity charge of every production all need hundreds of unit, and production cost is higher.
Because there being partial fixing impurity in crude titanic chloride, we are commonly referred to mud.Adopt traditional feed way can cause heating rod surface or stainless steel sleeve surface lap, heat puts together to distribute and does not go out, and will cause heating rod local temperature too high and burn out.
Utility model content
The purpose of this utility model is just to provide a kind of titanium tetrachloride refining step heater, to solve that snead process is only applicable to not occur chemical reaction and without the heating of the titanium tetrachloride of the impurity that easily scabs and the high problem of indirect heating method production cost with adopt traditional feed way can cause heating rod surface or stainless steel sleeve surface lap, heat puts together to distribute and does not go out, and will cause heating rod local temperature too high and burn out.
For achieving the above object, the utility model is by the following technical solutions:
The utility model comprises head tank, rectifying column I, rectifying column II, rectifying column III, heat exchanger II, heat exchanger III, heat exchanger IV, reboiler I, reboiler II and measuring tank, and described head tank is arranged on rectifying column I one side, between rectifying column I and rectifying column II, heat exchanger II is set, the top of rectifying column I is connected with the charging aperture of heat exchanger II by pipeline, and the discharging opening of heat exchanger II is connected with the top of rectifying column II by pipeline, between rectifying column II and rectifying column III, heat exchanger III is set, the top of rectifying column II is connected with the charging aperture of heat exchanger III by pipeline, and the discharging opening of heat exchanger III is connected with the top of rectifying column II by pipeline, heat exchanger IV is set between rectifying column III and measuring tank, and the top of rectifying column III is connected with the charging aperture of heat exchanger IV by pipeline, and the discharging opening of heat exchanger IV is connected with measuring tank by pipeline, reboiler I is set below rectifying column I, and head tank is connected with the top of reboiler I by pipeline, and the top of reboiler I is connected with the bottom of rectifying column I by pipeline, reboiler II is set below rectifying column II, and the top of reboiler II is connected with the bottom of rectifying column II by pipeline, reboiler III is set below rectifying column III, the top of reboiler III is connected with the bottom of rectifying column III by pipeline, the top of reboiler II is connected with the top of reboiler III by pipeline, described reboiler I and reboiler III are to adopt steam-heated reboiler, and reboiler II is to adopt electrically heated reboiler, between head tank and rectifying column I, heat exchanger I is set, between rectifying column I and reboiler I, subsider I is set, head tank is connected with the charging aperture of heat exchanger I by pipeline, the discharging opening of heat exchanger I is connected with subsider I by pipeline, the top of subsider I is connected with the bottom of rectifying column I by pipeline, the top of subsider I is connected with the top of reboiler I by pipeline, the top of reboiler I is connected with the bottom of rectifying column I by pipeline, the top of rectifying column I is connected with the condenser inlet of heat exchanger I by pipeline, the condensator outlet of heat exchanger I is connected with the top of rectifying column I by pipeline.
In described reboiler I and reboiler III, coil pipe is all set, the diameter of coil pipe is 28mm～35mm.
The heating rod that at least 4 group power are not less than 15kw is set in described reboiler II.
Described heating rod is stainless steel heating rod.
Between described rectifying column II and reboiler II, subsider II is set, the top of subsider II is connected with the bottom of rectifying column II by pipeline, the top of subsider II is connected with the top of reboiler II by pipeline, and the top of reboiler II is connected with the bottom of rectifying column II by pipeline.
Between described rectifying column III and reboiler III, subsider III is set, the top of reboiler II is connected with the top of subsider III by pipeline, the top of subsider III is connected with the bottom of rectifying column III by pipeline, the top of subsider III is connected with the top of reboiler III by pipeline, and the top of reboiler III is connected with the bottom of rectifying column III by pipeline.
On the pipeline being connected with reboiler I, reboiler II and reboiler III in described subsider I, subsider II and subsider III, spinner flowmeter is all set.
Material outlet place in described heat exchanger I, heat exchanger II, heat exchanger III and heat exchanger IV all arranges temperature measuring equipment.
At described rectifying column I, rectifying column II and rectifying column III top, with the connecting line place of heat exchanger I, heat exchanger III and heat exchanger IV, Pressure gauge and magnetic valve are all set respectively.
Described rectifying column I and rectifying column II are valve tower, and rectifying column III is packed tower; Described heat exchanger I, heat exchanger II, heat exchanger III and heat exchanger IV are tubular heat exchanger.
The utility model adopts Steam Heating and electrical heating to be combined with, and can not only overcome the problem that prior art exists, and has realized the automation mechanized operation operation of system run all right, has also improved operating efficiency, has reduced production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the second structural representation of the present utility model.
Figure number sign is as follows: 1, heat exchanger I; 2, heat exchanger II; 3, heat exchanger III; 4, heat exchanger IV; 5, head tank; 6, rectifying column I; 7, rectifying column II; 8, rectifying column III; 9, subsider I; 10, subsider II; 11, subsider III; 12, reboiler I; 13, reboiler II; 14, reboiler III; 15, measuring tank; 16, spinner flowmeter; 17, Pressure gauge; 18, magnetic valve; 19, temperature measuring equipment; 20, spoil disposal pipeline; 21, breathing pipeline.
The specific embodiment
As shown in Figure 1, the utility model comprises head tank 5, rectifying column I 6, rectifying column II 7, rectifying column III 8, heat exchanger II 2, heat exchanger III 3, heat exchanger IV 4, reboiler I 12, reboiler II 13 and measuring tank 15, and described head tank 5 is arranged on rectifying column I 6 one sides, between rectifying column I 6 and rectifying column II 7, heat exchanger II 2 is set, the top of rectifying column I 6 is connected with the charging aperture of heat exchanger II 2 by pipeline, and the discharging opening of heat exchanger II 2 is connected with the top of rectifying column II 7 by pipeline, between rectifying column II 7 and rectifying column III 8, heat exchanger III 3 is set, the top of rectifying column II 7 is connected with the charging aperture of heat exchanger III 3 by pipeline, and the discharging opening of heat exchanger III 3 is connected with the top of rectifying column II 7 by pipeline, between rectifying column III 8 and measuring tank 15, heat exchanger IV 4 is set, the top of rectifying column III 8 is connected with the charging aperture of heat exchanger IV 4 by pipeline, and the discharging opening of heat exchanger IV 4 is connected with measuring tank 15 by pipeline, reboiler I 12 is set below rectifying column I 6, and head tank 5 is connected with the top of reboiler I 12 by pipeline, and the top of reboiler I 12 is connected with the bottom of rectifying column I 6 by pipeline, reboiler II 13 is set below rectifying column II 7, and the top of reboiler II 13 is connected with the bottom of rectifying column II 7 by pipeline, reboiler III 14 is set below rectifying column III 8, the top of reboiler III is connected with the bottom of rectifying column III 8 by pipeline, the top of reboiler II 13 is connected with the top of reboiler III 14 by pipeline, in rectifying column III, be provided with for reducing the copper wire balls of vanadium oxytrichloride, this technology is prior art, described reboiler I 12 and reboiler III 14 are to adopt steam-heated reboiler, and reboiler II 13 is to adopt electrically heated reboiler, between head tank 5 and rectifying column I 6, heat exchanger I 1 is set, between rectifying column I 6 and reboiler I 12, subsider I 9 is set, head tank is connected with the charging aperture of heat exchanger I by pipeline, the discharging opening of heat exchanger I is connected with subsider I by pipeline, the top of subsider I is connected with the bottom of rectifying column I by pipeline, the top of subsider I is connected with the top of reboiler I by pipeline, the top of reboiler I is connected with the bottom of rectifying column I by pipeline, the top of rectifying column I is connected with the condenser inlet of heat exchanger I by pipeline, the condensator outlet of heat exchanger I is connected with the top of rectifying column I by pipeline.
As improvement of the present utility model: the interior coil pipe that all arranges of described reboiler I 12 and reboiler III 14, the diameter of coil pipe is 32mm, in addition, the diameter of coil pipe can be 28mm, 30mm, 25mm, also can be 28mm～35mm any number; Described reboiler II 13 is interior arranges the heating rod that 6 groups of power are 15kw, in addition, in reboiler II 13, the heating rod that 4 groups of power are 15kw can be set, 5 groups of heating rods that power is 15kw, the heating rod that the positive integer group power that also can be set to be greater than arbitrarily 4 groups is 15kw, the power of heating rod can be chosen 25kw, and 35kw also can choose the heating rod that is not less than 15kw power; Described heating rod is stainless steel heating rod.
As further improvement of the utility model: between described rectifying column II 7 and reboiler II 13, subsider II 10 is set, the top of subsider II is connected with the bottom of rectifying column II by pipeline, the top of subsider II is connected with the top of reboiler II by pipeline, and the top of reboiler II is connected with the bottom of rectifying column II by pipeline; Between described rectifying column III 8 and reboiler III 14, subsider III 11 is set, the top of reboiler II 13 is connected with the top of subsider III by pipeline, the top of subsider III is connected with the bottom of rectifying column III by pipeline, the top of subsider III is connected with the top of reboiler III by pipeline, and the top of reboiler III is connected with the bottom of rectifying column III by pipeline; On the pipeline being connected with reboiler I 12, reboiler II 13 and reboiler III 14 in described subsider I 9, subsider II 10 and subsider III 11, spinner flowmeter 16 is all set, this can make staff accurately control the speed that adds of material, to guarantee the pressure balance of whole process units.
Material outlet place in described heat exchanger I 1, heat exchanger II 2, heat exchanger III 3 and heat exchanger IV 4 all arranges temperature measuring equipment 19, temperature measuring equipment is mainly measured the temperature of the material outlet of heat exchanger I 1, heat exchanger II 2, heat exchanger III 3 and heat exchanger IV 4, and the temperature of interior 3 of rectifying column I 6, rectifying column II 7 and rectifying column III 8, with carrying out smoothly of guaranteeing to produce.
At described rectifying column I 6, rectifying column II 7 and rectifying column III 8 tops, with the connecting line place of heat exchanger I 1, heat exchanger III 3 and heat exchanger IV 4, Pressure gauge 17 and magnetic valve 18 are all set respectively, staff can be according to the switch of the measured pressure electromagnetic valve for adjusting of Pressure gauge, to guarantee the pressure balance of whole process units, and the carrying out smoothly of operation.
Technological process of the present utility model is as follows: as shown in Figure 2, under the normal condition of production, the crude titanic chloride material that chlorination is come (mud content is 1%) is transported to head tank 5 by submerged pump, join in heat exchanger I 1, heat exchanger I 1 is tubular heat exchanger, meanwhile, the titanium tetrachloride vapors that overflow at rectifying column I 6 tops is conducted heat by the tubulation in tubular heat exchanger and the outer crude titanic chloride liquid from head tank 5 of tubulation, titanium tetrachloride liquid after heat transfer is added in subsider I 9 by pipeline, titanium tetrachloride vapors in tubular heat exchanger tubulation is by partial condensation, the titanium tetrachloride vapors not being condensed is undertaken being added to rectifying column II 7 after condensation temperature control by condenser II 2, material in subsider I 9 adds in reboiler I 12 by overflow, most mud is discharged from subsider I 9 bottoms, mud in heat exchanger I 1 is discharged by spoil disposal pipeline 20, higher boiling solid impurity is regularly discharged from reboiler I 12, removing material after higher boiling solid impurity adds in rectifying column II 7 through the material of heat exchanger I 1 and heat exchanger II 2, join gradually subsider II 10, after liquid level arrives again overflow to reboiler II 13, by controlling charging rate, reflux ratio, the temperature distillation that circulates, low boiling impurity silicon tetrachloride is discharged from the breathing pipeline 21 of heat exchanger III 3, treat to sample in reboiler II 13 silicon tetrachloride qualified after, by material from 13 overflows of reboiler II to subsider III 11, overflow is to reboiler III 14 again, after liquid level reaches, start Steam Heating, titanium tetrachloride vapors in reboiler III 14 is contacted with the copper wire balls that the inner copper wire arranging burns till through rectifying column III 8, this makes the vanadium oxytrichloride close with titanium tetrachloride boiling point be reduced into high boiling dichloro vanadyl, and be attached to copper wire balls surface, the titanium tetrachloride vapors of removing vanadium through copper wire balls enters to finished product measuring tank 15 after 4 condensations of heat exchanger IV.
In above-mentioned technological process, the temperature in heat exchanger I 1, heat exchanger II 2, heat exchanger III 3 and heat exchanger IV 4 is all controlled at 70 ℃～90 ℃; Temperature in reboiler I 12 is controlled at 145 ℃～149 ℃, pressure is controlled at 16KPa～24KPa, temperature in reboiler II 13 is controlled at 140 ℃～145 ℃, pressure is controlled at 10.7KPa～13.3KPa, temperature in reboiler III 14 is controlled at 140 ℃～145 ℃, and pressure is controlled at 13.3KPa; In reboiler I 12, reboiler II 13 and reboiler III 14, be equipped with peephole, when material reaches three/for the moment, restarts heating.
Claims (10)
1. a titanium tetrachloride refining step heater, it comprises head tank (5), rectifying column I (6), rectifying column II (7), rectifying column III (8), heat exchanger II (2), heat exchanger III (3), heat exchanger IV (4), reboiler I (12), reboiler II (13) and measuring tank (15), and described head tank (5) is arranged on rectifying column I (6) one sides, between rectifying column I (6) and rectifying column II (7), heat exchanger II (2) is set, the top of rectifying column I (6) is connected with the charging aperture of heat exchanger II (2) by pipeline, and the discharging opening of heat exchanger II (2) is connected with the top of rectifying column II (7) by pipeline, between rectifying column II (7) and rectifying column III (8), heat exchanger III (3) is set, the top of rectifying column II (7) is connected with the charging aperture of heat exchanger III (3) by pipeline, and the discharging opening of heat exchanger III (3) is connected with the top of rectifying column II (7) by pipeline, between rectifying column III (8) and measuring tank (15), heat exchanger IV (4) is set, the top of rectifying column III (8) is connected with the charging aperture of heat exchanger IV (4) by pipeline, and the discharging opening of heat exchanger IV (4) is connected with measuring tank (15) by pipeline, in rectifying column I (6) below, reboiler I (12) is set, head tank (5) is connected with the top of reboiler I (12) by pipeline, and the top of reboiler I (12) is connected with the bottom of rectifying column I (6) by pipeline, in rectifying column II (7) below, reboiler II (13) is set, the top of reboiler II (13) is connected with the bottom of rectifying column II (7) by pipeline, in the below of rectifying column III (8), reboiler III (14) is set, the top of reboiler III is connected with the bottom of rectifying column III (8) by pipeline, the top of reboiler II (13) is connected with the top of reboiler III (14) by pipeline, it is characterized in that: described reboiler I (12) and reboiler III (14) are to adopt steam-heated reboiler, and reboiler II (13) is to adopt electrically heated reboiler, between head tank (5) and rectifying column I (6), heat exchanger I (1) is set, between rectifying column I (6) and reboiler I (12), subsider I (9) is set, head tank is connected with the charging aperture of heat exchanger I by pipeline, the discharging opening of heat exchanger I is connected with subsider I by pipeline, the top of subsider I is connected with the bottom of rectifying column I by pipeline, the top of subsider I is connected with the top of reboiler I by pipeline, the top of reboiler I is connected with the bottom of rectifying column I by pipeline, the top of rectifying column I is connected with the import of heat exchanger I by pipeline, the outlet of heat exchanger I is connected with the top of rectifying column I by pipeline.
2. titanium tetrachloride refining step heater according to claim 1, is characterized in that: in described reboiler I (12) and reboiler III (14), coil pipe is all set, the diameter of coil pipe is 28mm～35mm.
3. titanium tetrachloride refining step heater according to claim 1, is characterized in that: the heating rod that at least 4 group power are not less than 15kw is set in described reboiler II (13).
4. titanium tetrachloride refining step heater according to claim 3, is characterized in that: described heating rod is stainless steel heating rod.
5. according to the titanium tetrachloride refining step heater one of claim 1～4 Suo Shu, it is characterized in that: between described rectifying column II (7) and reboiler II (13), subsider II (10) is set, the top of subsider II is connected with the bottom of rectifying column II by pipeline, the top of subsider II is connected with the top of reboiler II by pipeline, and the top of reboiler II is connected with the bottom of rectifying column II by pipeline.
6. titanium tetrachloride refining step heater according to claim 5, it is characterized in that: between described rectifying column III (8) and reboiler III (14), subsider III (11) is set, the top of reboiler II (13) is connected with the top of subsider III by pipeline, the top of subsider III is connected with the bottom of rectifying column III by pipeline, the top of subsider III is connected with the top of reboiler III by pipeline, and the top of reboiler III is connected with the bottom of rectifying column III by pipeline.
7. titanium tetrachloride refining step heater according to claim 6, is characterized in that: on the pipeline being connected with reboiler I (12), reboiler II (13) and reboiler III (14) in described subsider I (9), subsider II (10) and subsider III (11), spinner flowmeter (16) is all set.
8. titanium tetrachloride refining step heater according to claim 1, is characterized in that: the material outlet place in described heat exchanger I (1), heat exchanger II (2), heat exchanger III (3) and heat exchanger IV (4) all arranges temperature measuring equipment (19).
9. titanium tetrachloride refining step heater according to claim 1, is characterized in that: at described rectifying column I (6), rectifying column II (7) and rectifying column III (8) top, with the connecting line place of heat exchanger I (1), heat exchanger III (3) and heat exchanger IV (4), Pressure gauge (17) and magnetic valve (18) are all set respectively.
10. titanium tetrachloride refining step heater according to claim 1, is characterized in that: described rectifying column I (6) and rectifying column II (7) are valve tower, and rectifying column III (8) is packed tower; Described heat exchanger I (1), heat exchanger II (2), heat exchanger III (3) and heat exchanger IV (4) are tubular heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320473226.4U CN203469514U (en) | 2013-08-05 | 2013-08-05 | Heating device applicable to titanium tetrachloride refining process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320473226.4U CN203469514U (en) | 2013-08-05 | 2013-08-05 | Heating device applicable to titanium tetrachloride refining process |
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| CN203469514U true CN203469514U (en) | 2014-03-12 |
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| CN201320473226.4U Expired - Fee Related CN203469514U (en) | 2013-08-05 | 2013-08-05 | Heating device applicable to titanium tetrachloride refining process |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106629831A (en) * | 2016-09-19 | 2017-05-10 | 中信锦州金属股份有限公司 | Method for increasing productivity of floating valve tower and lowering unit product energy consumption in process of purifying titanium tetrachloride by floating valve tower |
| CN110280038A (en) * | 2019-08-08 | 2019-09-27 | 中国恩菲工程技术有限公司 | Titanium tetrachloride rectifier unit |
| CN110282655A (en) * | 2019-08-08 | 2019-09-27 | 中国恩菲工程技术有限公司 | Titanium tetrachloride rectificating method |
| CN113322385A (en) * | 2021-07-05 | 2021-08-31 | 遵义钛业股份有限公司 | Device for heat dissipation and recycling by utilizing titanium tetrachloride in reduction production of titanium sponge |
| CN114162854A (en) * | 2021-12-10 | 2022-03-11 | 辽宁方大工程设计有限公司 | Online double separation method for crude titanium tetrachloride solution containing silicon tetrachloride |
| CN114797139A (en) * | 2022-03-09 | 2022-07-29 | 洛阳双瑞万基钛业有限公司 | Crude titanium tetrachloride electric heating device containing high-concentration solid particles and distillation system |
| CN115924964A (en) * | 2022-11-24 | 2023-04-07 | 云南国钛金属股份有限公司 | Titanium tetrachloride refining system for recovering waste heat of preheater |
-
2013
- 2013-08-05 CN CN201320473226.4U patent/CN203469514U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106629831A (en) * | 2016-09-19 | 2017-05-10 | 中信锦州金属股份有限公司 | Method for increasing productivity of floating valve tower and lowering unit product energy consumption in process of purifying titanium tetrachloride by floating valve tower |
| CN106629831B (en) * | 2016-09-19 | 2018-03-20 | 锦州钛业股份有限公司 | The method for increasing the production capacity of valve tower during titanium tetrachloride and reducing energy consumption of unit product is purified using valve tower |
| CN110280038A (en) * | 2019-08-08 | 2019-09-27 | 中国恩菲工程技术有限公司 | Titanium tetrachloride rectifier unit |
| CN110282655A (en) * | 2019-08-08 | 2019-09-27 | 中国恩菲工程技术有限公司 | Titanium tetrachloride rectificating method |
| CN110282655B (en) * | 2019-08-08 | 2021-12-03 | 中国恩菲工程技术有限公司 | Titanium tetrachloride rectification method |
| CN110280038B (en) * | 2019-08-08 | 2024-05-17 | 中国恩菲工程技术有限公司 | Titanium tetrachloride rectifying device |
| CN113322385A (en) * | 2021-07-05 | 2021-08-31 | 遵义钛业股份有限公司 | Device for heat dissipation and recycling by utilizing titanium tetrachloride in reduction production of titanium sponge |
| CN114162854A (en) * | 2021-12-10 | 2022-03-11 | 辽宁方大工程设计有限公司 | Online double separation method for crude titanium tetrachloride solution containing silicon tetrachloride |
| CN114797139A (en) * | 2022-03-09 | 2022-07-29 | 洛阳双瑞万基钛业有限公司 | Crude titanium tetrachloride electric heating device containing high-concentration solid particles and distillation system |
| CN115924964A (en) * | 2022-11-24 | 2023-04-07 | 云南国钛金属股份有限公司 | Titanium tetrachloride refining system for recovering waste heat of preheater |
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