CN102766770B - Bottom discharge device and discharge method for titanium sponge reactor - Google Patents
Bottom discharge device and discharge method for titanium sponge reactor Download PDFInfo
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- CN102766770B CN102766770B CN2012102447063A CN201210244706A CN102766770B CN 102766770 B CN102766770 B CN 102766770B CN 2012102447063 A CN2012102447063 A CN 2012102447063A CN 201210244706 A CN201210244706 A CN 201210244706A CN 102766770 B CN102766770 B CN 102766770B
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Abstract
The invention relates to a bottom discharge device for a titanium sponge reactor. The bottom discharge device for the titanium sponge reactor comprises a discharge valve mechanism and a transmission mechanism. The discharge valve mechanism comprises a flange, an outer casing, an inner discharge pipe and an ejector pin. The flange is disposed at the bottom of the titanium sponge reactor and is provided with a discharge opening. The outer casing is fixed to the lower end of the flange. The inner discharge pipe is disposed in the outer casing and is communicated with a discharge opening. The inner discharge pipe is capable of moving axially along the outer casing. The ejector pin is placed on the discharge opening from the upside of the discharge opening and seals the discharge opening. The lower end of the ejector pin is fixed at one end of the inner discharge pipe. The head of the ejector pin comprises an upper cone and a lower cone which are opposite to each other. The transmission mechanism comprises a cylinder, a telescopic part and a connecting rod. One end of the telescopic part is connected with the cylinder, and the other end of the telescopic part is connected with the other end of the inner discharge pipe through the connecting rod. The inner discharge pipe and the ejector pin are driven to move by the transmission mechanism. The invention further relates to a discharge method for the titanium sponge reactor. The discharge method for the titanium sponge reactor uses the bottom discharge device for discharging.
Description
Technical field
The present invention relates to a kind of magnesiothermic reduction vacuum distillation method and produce the device of titanium sponge, more particularly, relate to a kind of bottom discharging device and discharging method of titanium sponge reactor.
Background technology
While utilizing the magnesiothermic reduction vacuum distillation method to produce titanium sponge, by smart magnesium and smart titanium tetrachloride is placed in reactor and under 850 ℃ of conditions reaction generate titanium sponge, then the titanium sponge obtained is obtained to pure titanium sponge through vacuum distilling at the temperature up to 1000 ℃.During reaction, need, according to reinforced system and extent of reaction, to open in time and continually the magnesium chloride discharge device on reactor, to discharge the magnesium chloride generated in reactor, and the liquid level of controlling in reactor fluctuates within the specific limits.
In industrial production, generally adopt the mode of upper row's magnesium chloride to carry out the discharge of magnesium chloride, the MgCl that in discharge process, in the past reactor of dependence, the mode of argon filling generates reaction
2From the salt outlet on reactor top, press out.And the mode of lower row's magnesium chloride only has a small amount of application, and during bottom marker method discharge magnesium chloride, because of the position of blow-off valve thimble, adopt the sealing means of top cone, and the sealing station of top cone has the temperature of certain distance and top cone lower than melt part apart from the melt in reactor, melt is easily bonding in this conical part condensation, and makes blow-off valve can't realize knee-action.When blow-off valve can't carry out normal discharge, not only affect the direct motion of magnesiothermic reduction technique, also can affect the quality of titanium sponge because operation has some setbacks, increase production cost.
Summary of the invention
For the deficiencies in the prior art, one of purpose of the present invention is to solve in above-mentioned prior art the one or more problems that exist.
The object of the present invention is to provide and a kind ofly can effectively realize the titanium sponge reactor bottom discharge device of lower row's magnesium chloride mode and utilize this bottom discharging device to carry out the method for discharge.
To achieve these goals, an aspect of of the present present invention provides a kind of bottom discharging device of titanium sponge reactor, described bottom discharging device comprises blow-off valve mechanism and transmission rig, wherein, described blow-off valve mechanism comprises ring flange, outer tube, interior drainage conduit and thimble, ring flange is arranged on the bottom of titanium sponge reactor and has discharge gate, outer tube is fixed on the ring flange lower end, interior drainage conduit is arranged in outer tube and with discharge gate and communicates, interior drainage conduit can move along its axis direction, thimble is placed on discharge gate and the sealing discharging mouth from the top of discharge gate, the lower end of thimble is fixed on an end of interior drainage conduit, wherein, the thimble head comprises that upper cone and lower cone and upper cone and lower cone arrange dorsad, described transmission rig comprises cylinder, extensible member and connecting rod, and an end of extensible member is connected with cylinder, and the other end of extensible member is connected with the other end of interior drainage conduit by connecting rod, the motion of drainage conduit and thimble in driving by transmission rig.
An embodiment according to the bottom discharging device of titanium sponge reactor of the present invention, described blow-off valve mechanism also comprises the overflow position-limiting tube, described overflow position-limiting tube is fixed on the ring flange lower end and has the diameter that is less than interior drainage conduit diameter and the length that is less than interior drainage conduit length, and the overflow position-limiting tube is for controlling the move distance of thimble.
According to an embodiment of the bottom discharging device of titanium sponge reactor of the present invention, the lower end of described thimble is fixed on an end of interior drainage conduit by support bar and support bar is fixed in the draw-in groove of interior drainage conduit.
According to an embodiment of the bottom discharging device of titanium sponge reactor of the present invention, described blow-off valve mechanism is made by high-temperature alloy steel.
Another aspect of the present invention provides a kind of discharging method of titanium sponge reactor, the magnesium chloride discharge when described discharging method adopts the bottom discharging device of above-mentioned titanium sponge reactor to carry out Preparation.
An embodiment according to the discharging method of titanium sponge reactor of the present invention, described discharging method comprises the steps: 1) during discharge, cylinder is moved and drive the extensible member motion, the extensible member drivening rod moves downward, in connecting rod drove, drainage conduit moved upward, thimble, toward the motion of titanium sponge inside reactor, makes the molten magnesium chloride in the titanium sponge reactor flow out from discharge gate simultaneously, realizes discharge; 2) after discharge finishes, make the cylinder reverse motion and drive the extensible member reversing motion, the extensible member drivening rod moves upward, and in connecting rod drove, drainage conduit moved downward, and made thimble return sealing discharging mouth, completed discharge.
According to an embodiment of the discharging method of titanium sponge reactor of the present invention, described discharging method also is included in before discharge the magnesium chloride amount of required discharge while calculating single discharge according to processing requirement.
The bottom discharging apparatus structure of titanium sponge reactor of the present invention is reasonable, processing ease is realized; Discharging method of the present invention is simple, easily and effectively, but effective control of realization response device bottom discharging.Effective control of bottom discharging while adopting the bottom discharging device of titanium sponge reactor of the present invention and discharging method can realize that titanium sponge is produced, can effectively reduce obstruction discharge of the false end of the reactor become because of bottom difference in melt temperature abnormity and melt bonding in the condensation at discharge gate place, can guarantee simultaneously the direct motion of technique, the quality while improving titanium sponge production also reduces production costs.
The accompanying drawing explanation
By the description that the accompanying drawing below in conjunction with an example exemplarily is shown carries out, above and other purpose of the present invention and characteristics will become apparent, wherein:
Fig. 1 is the structural representation of bottom discharging device of the titanium sponge reactor of exemplary embodiment of the present.
Description of reference numerals:
Drainage conduit, 9-overflow position-limiting tube, 10-thimble, 11-thimble head, 12-discharge gate in 1-cylinder, 2-extensible member, 3-connecting rod, 4-blow-off valve mechanism, 5-titanium sponge reactor, 6-ring flange, 7-outer tube, 8-.
Embodiment
Hereinafter, in connection with accompanying drawing, exemplary embodiment of the present invention is described in further detail.
Fig. 1 is the structural representation of bottom discharging device of the titanium sponge reactor of exemplary embodiment of the present.As shown in Figure 1, the bottom discharging device of the titanium sponge reactor of the present embodiment comprises blow-off valve mechanism 4 and transmission rig, and the bottom discharging device of titanium sponge reactor is arranged on the bottom of titanium sponge reactor, wherein, blow-off valve mechanism 4 is for controlling the melt discharge of titanium sponge reactor, and transmission rig is be used to driving the action of blow-off valve mechanism 4.
Blow-off valve mechanism 4 comprises ring flange 6, outer tube 7, interior drainage conduit 8 and thimble 10; ring flange 6 is arranged on the bottom of titanium sponge reactor 5 and has discharge gate 12; outer tube 7 is fixed on ring flange 6 lower ends; interior drainage conduit 8 is arranged in outer tube 7 and with discharge gate 12 and communicates; the melt in titanium sponge reactor 5 can be discharged via discharge gate 12, interior drainage conduit 8; outer tube 7 is mainly for the protection of interior drainage conduit 8, and interior drainage conduit 8 can move by the axis direction along interior drainage conduit 8 in outer tube 7.Thimble 10 is placed on discharge gate 12 and sealing discharging mouth 12 from the top of discharge gate 12, the lower end of thimble 10 is fixed on an end of interior drainage conduit 8, and thimble head 11 comprises that upper cone and lower cone and upper cone and lower cone arrange dorsad, upper cone is worn the false end that titanium sponge reactor 5 bottoms form and exposes melt liquid level for top, and lower cone seals for sealing discharging mouth 12 conical surface by lower cone.Because thimble 10 is fixed on interior drainage conduit 8, thimble 10 can move along with the motion of interior drainage conduit 8.
Transmission rig comprises cylinder 1, extensible member 2 and connecting rod 3, and an end of extensible member 2 is connected with cylinder 1, and the other end of extensible member 2 is connected with the other end of interior drainage conduit 8 by connecting rod 3, the motion of drainage conduit 8 and thimble 10 in driving by transmission rig.Wherein, extensible member 2 can be common flexible transmission rod, but is not limited to this.
The bottom discharging device of titanium sponge reactor of the present invention has utilized lever principle, namely utilize cylinder 1 and retractor device 2 drivening rod 3 motions, utilize lever principle that interior drainage conduit 8 and thimble 10 are moved, thimble head 11 adopts the Bidirectional cone structure simultaneously, utilize the conical surface seal discharge gate 12 of lower cone, upper cone works to expose melt liquid level.Liquid molten magnesium chloride in titanium sponge reactor 5 can be discharged from discharge gate 12, after completing discharge, can well block discharge gate 12, sealed reactor again.
In addition, the blow-off valve mechanism 4 of the present embodiment also comprises overflow position-limiting tube 9, overflow position-limiting tube 9 is fixed on ring flange 6 lower ends and has the diameter that is less than interior drainage conduit 8 diameters and the length that is less than interior drainage conduit 8 length, by overflow position-limiting tube 9, control the move distance of thimble 10, to realize accurate control.Due to titanium sponge reactor 5 after using repeatedly, the position of reaction zone can be extended under the thermogravimetric state, cause whole blow-off valve mechanism 4 position in vertical direction to change, therefore be necessary to regulate in time according to actual condition the move distance of thimble 10, the position-limiting tube of overflow simultaneously 9 can also prevent that thimble 10 from deviating from from discharge gate 12 because motion amplitude is excessive.
In the present embodiment, the lower end of thimble 10 is fixed on an end of interior drainage conduit 8 by support bar and support bar is fixed in the draw-in groove of interior drainage conduit 8, but the fixed form of thimble 10 is not limited to this.
Preferably, the parts such as the ring flange 6 in blow-off valve mechanism 4, outer tube 7, interior drainage conduit 8, overflow position-limiting tube 9, thimble 10 are made by high-temperature alloy steel (as 1Cr18Ni9Ti, 2520 stainless steels etc.), to extend its work-ing life, but are not limited to this.
Below in conjunction with the bottom discharging device of above-mentioned titanium sponge reactor, describe the discharging method of exemplary embodiment of the present in detail.
Magnesium chloride discharge when the concrete bottom discharging device with above-mentioned titanium sponge reactor of the discharging method of titanium sponge reactor of the present invention carries out Preparation, realize lower row's magnesium chloride.
Particularly, the discharging method of titanium sponge reactor of the present invention comprises the steps:
At first, the processing requirement while producing titanium sponge according to magnesium reduction process, the MgCl that need to discharge while calculating single discharge
2Amount.Due to the MgCl of single discharge in the different required discharge of time period of restoring operation
2Amount is different, in order to control the liquid level in reactor, determines the single discharge amount by feed rate.
Secondly, during discharge, cylinder 1 is moved and drive extensible member 2 motions, extensible member 2 drivening rods 3 move downward, because connecting rod 3 is connected with interior drainage conduit 8, it drives interior drainage conduit 8 by lever principle and moves upward, and thimble 10 is toward titanium sponge reactor 5 internal motions simultaneously, molten magnesium chloride in titanium sponge reactor 5 is flowed out from discharge gate 12, realize discharge.
Then, according to the technological operation needs, after the single discharge amount reaches amount required while calculating, make cylinder 1 reverse motion and drive extensible member 2 reversing motions, extensible member drivening rod 3 moves upward, in connecting rod drove, drainage conduit 8 moved downward, and made thimble 10 returns sealing discharging mouth 12, completed discharge.
In sum, the bottom discharging apparatus structure of titanium sponge reactor of the present invention is simple, and discharging method is simple, easily and effectively, but realization response device bottom MgCl
2Smooth discharge.Adopt the bottom discharging device of titanium sponge reactor of the present invention and discharging method can avoid because of discharge gate stop up or when reactor bottom forms the false end problem of discharge smoothly, realize carrying out smoothly of reduction process, particularly MgCl
2Timely discharge can effectively control the level fluctuation of going back in reactor, guarantee the quality of Sponge Titanium.
Although the above illustrates and has described bottom discharging device and the discharging method of titanium sponge reactor of the present invention in conjunction with the embodiments, but what those skilled in the art will appreciate that is, in the situation that do not break away from the spirit and scope of the present invention that claim limits, can make the various changes on form and details here.
Claims (7)
1. the bottom discharging device of a titanium sponge reactor, is characterized in that, described bottom discharging device comprises blow-off valve mechanism and transmission rig, wherein,
Described blow-off valve mechanism comprises ring flange, outer tube, interior drainage conduit and thimble, ring flange is arranged on the bottom of titanium sponge reactor and has discharge gate, outer tube is fixed on the ring flange lower end, interior drainage conduit is arranged in outer tube and with discharge gate and communicates, interior drainage conduit can move along its axis direction, thimble is placed on discharge gate and the sealing discharging mouth from the top of discharge gate, the lower end of thimble is fixed on an end of interior drainage conduit, wherein, the thimble head comprises that upper cone and lower cone and upper cone and lower cone arrange dorsad;
Described transmission rig comprises cylinder, extensible member and connecting rod, and an end of extensible member is connected with cylinder, and the other end of extensible member is connected with the other end of interior drainage conduit by connecting rod, the motion of drainage conduit and thimble in driving by transmission rig.
2. the bottom discharging device of titanium sponge reactor according to claim 1, it is characterized in that, described blow-off valve mechanism also comprises the overflow position-limiting tube, described overflow position-limiting tube is fixed on the ring flange lower end and has the diameter that is less than interior drainage conduit diameter and the length that is less than interior drainage conduit length, and the overflow position-limiting tube is for controlling the move distance of thimble.
3. the bottom discharging device of titanium sponge reactor according to claim 1, is characterized in that, the lower end of described thimble is fixed on an end of interior drainage conduit by support bar and support bar is fixed in the draw-in groove of interior drainage conduit.
4. the bottom discharging device of titanium sponge reactor according to claim 1, is characterized in that, described blow-off valve mechanism is made by high-temperature alloy steel.
5. the discharging method of a titanium sponge reactor, is characterized in that, the magnesium chloride discharge when described discharging method adopts the bottom discharging device according to the described titanium sponge reactor of any one in claim 1 to 4 to carry out Preparation.
6. the discharging method of titanium sponge reactor according to claim 5, is characterized in that, described discharging method comprises the steps:
1) during discharge, cylinder is moved and drive the extensible member motion, the extensible member drivening rod moves downward, in connecting rod drove, drainage conduit moved upward, thimble, toward the motion of titanium sponge inside reactor, makes the molten magnesium chloride in the titanium sponge reactor flow out from discharge gate simultaneously, realizes discharge;
2) after discharge finishes, make the cylinder reverse motion and drive the extensible member reversing motion, the extensible member drivening rod moves upward, and in connecting rod drove, drainage conduit moved downward, and made thimble return sealing discharging mouth, completed discharge.
7. the discharging method of titanium sponge reactor according to claim 6, is characterized in that, described discharging method also is included in the magnesium chloride amount of required discharge when discharge is front calculates single discharge according to processing requirement.
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| CN2012102447063A CN102766770B (en) | 2012-07-16 | 2012-07-16 | Bottom discharge device and discharge method for titanium sponge reactor |
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| CN2012102447063A CN102766770B (en) | 2012-07-16 | 2012-07-16 | Bottom discharge device and discharge method for titanium sponge reactor |
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| CN102766770B true CN102766770B (en) | 2013-11-27 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103464055A (en) * | 2013-09-22 | 2013-12-25 | 河南中美铝业有限公司 | Remote pressure container discharge vehicle and using method of vehicle |
| CN104046797B (en) * | 2013-12-10 | 2016-03-02 | 攀钢集团攀枝花钢铁研究院有限公司 | The assembly method of reduction reactor and this reduction reactor |
| CN103939621B (en) * | 2014-04-22 | 2016-03-30 | 四川攀研技术有限公司 | A kind of sealed discharging device |
| CN110760698A (en) * | 2019-10-22 | 2020-02-07 | 洛阳双瑞特种装备有限公司 | Reactor for titanium sponge reduction distillation and simple and convenient to maintain |
| CN111519043A (en) * | 2020-05-14 | 2020-08-11 | 攀钢集团钛业有限责任公司 | Method for preparing high-purity magnesium by using bottom discharge type reduction tank in titanium sponge production |
| CN112361827B (en) * | 2020-11-13 | 2023-06-20 | 云南国钛金属股份有限公司 | Particle blocking device |
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Patent Citations (6)
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| GB749608A (en) * | 1952-07-23 | 1956-05-30 | Nat Lead Co | Improvements in or relating to apparatus for the production of refractory metals |
| GB768124A (en) * | 1953-06-13 | 1957-02-13 | Peter Spence & Sons Ltd | Improved method and apparatus for obtaining ductile titanium or zirconium |
| SU1018997A1 (en) * | 1981-11-04 | 1983-05-23 | Запорожский Филиал Всесоюзного Научно-Исследовательского И Конструкторского Института "Цветметавтоматика" | Automatic control system for process of magnesium-thermic reduction of titanium tetrachloride |
| RU2288961C1 (en) * | 2005-05-23 | 2006-12-10 | Открытое Акционерное Общество "Российский научно-исследовательский и проектный институт титана и магния" (ОАО "РИТМ") | Device for draining magnesium chloride out of apparatus for magnesium-reduced production of titanium sponge |
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Effective date of registration: 20230922 Address after: 617000 Taoyuan street, East District, Panzhihua, Sichuan Province, No. 90 Patentee after: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE Co.,Ltd. Patentee after: Chengdu advanced metal material industry technology Research Institute Co.,Ltd. Address before: 617000 Taoyuan street, East District, Panzhihua, Sichuan Province, No. 90 Patentee before: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE Co.,Ltd. |