CN106191470A - Manufacture the method for controlling security of titanium sponge - Google Patents
Manufacture the method for controlling security of titanium sponge Download PDFInfo
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- CN106191470A CN106191470A CN201610674012.1A CN201610674012A CN106191470A CN 106191470 A CN106191470 A CN 106191470A CN 201610674012 A CN201610674012 A CN 201610674012A CN 106191470 A CN106191470 A CN 106191470A
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- titanium sponge
- heater
- reductive jar
- reactor
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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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- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of method of controlling security utilizing titanium sponge reactor to manufacture titanium sponge, titanium sponge reactor include reduce body of heater, for reduce titanium sponge and be arranged on reduction body of heater cavity in reductive jar, the internal perisporium of reduction body of heater is provided with heater, in reductive jar, add thermal reduction titanium sponge and discharged the by-product that reduction titanium sponge produces by delivery pipe off and on, delivery pipe wears the bottom of reduction body of heater and is connected with the bottom of reductive jar, and method of controlling security has included: detecting whether that by-product is revealed；When having detected that by-product is revealed, stop heater heating and feed to reductive jar, and reductive jar is carried out evacuation process, and at least one reduction body of heater, reductive jar and delivery pipe are lowered the temperature.The method of controlling security utilizing titanium sponge reactor to manufacture titanium sponge according to embodiments of the present invention can quickly and efficiently prevent by-product from revealing further, thus avoids the generation of security incident.
Description
Technical field
The present invention relates to metallurgical technology field, more particularly, to a kind of method of controlling security manufacturing titanium sponge.
Background technology
When utilizing magnesium reduction process to produce titanium sponge, in magnesium and titanium tetrachloride are placed in reductive jar and under the conditions of 850 DEG C
Reaction generates titanium sponge.During reaction, the discharge on reductive jar need to be opened in time and continually according to charging rate and extent of reaction
Pipe is to discharge the by-product that reduction titanium sponge produces, and the liquid level controlled in reductive jar fluctuates within the specific limits.
When cannot completely enclose bottom reductive jar, by-product will constantly leak from delivery pipe, is just affecting titanium sponge
Often produce.And owing to the by-product temperature flowed out from reductive jar is more than 800 DEG C, the low-pricedest hinder staff, even cause
Fire.
Summary of the invention
It is contemplated that solve one of above-mentioned technical problem the most to a certain extent.
To this end, the present invention proposes a kind of method of controlling security manufacturing titanium sponge, this method of controlling security can be examined in time
Survey whether by-product is revealed, and take corresponding emergency measure to stop magnesium chloride to be revealed further.
The titanium sponge reactor that utilizes according to embodiments of the present invention manufactures the method for controlling security of titanium sponge, described titanium sponge
Reactor include reducing body of heater, for reducing titanium sponge and the reductive jar in being arranged on the cavity of described reduction body of heater, described also
The internal perisporium of former body of heater is provided with heater, adds thermal reduction titanium sponge and discharged off and on also by delivery pipe in described reductive jar
The by-product that olynthus titanium produces, described delivery pipe wears the bottom of described reduction body of heater and is connected with the bottom of described reductive jar
Logical, described method of controlling security has included: detecting whether that described by-product is revealed；When having detected that described by-product is revealed,
Stop the heating of described heater and feed to described reductive jar, and described reductive jar is carried out evacuation process, and going back described
At least one former body of heater, described reductive jar and described delivery pipe are lowered the temperature.
The titanium sponge reactor that utilizes according to embodiments of the present invention manufactures the method for controlling security of titanium sponge, raw at titanium sponge
Detect the leak case of by-product during product, and when having detected that by-product is revealed, take to stop heater heating and to
Reductive jar feeds, and reductive jar carries out evacuation process, and drops at least one reduction body of heater, reductive jar and delivery pipe
Temperature, can quickly and efficiently prevent by-product from revealing further, thus avoid the generation of security incident.
It addition, the titanium sponge reactor that utilizes according to embodiments of the present invention manufactures the method for controlling security of titanium sponge, also may be used
To have following additional technical characteristic:
According to one embodiment of present invention, described by-product at least includes magnesium chloride.
According to one embodiment of present invention, detected whether that by-product is revealed step and farther included: detect described row
Whether put the ambient temperature immediately below pipe more than or equal to predetermined temperature.
According to one embodiment of present invention, when the described ambient temperature detected is greatly equal to predetermined temperature, stop adding
Hot device heating and feeding to described reductive jar, and carries out evacuation process to described reductive jar, and to described reduction body of heater, described
At least one reductive jar and described delivery pipe are lowered the temperature, and wherein, described predetermined temperature is 800 DEG C.
According to one embodiment of present invention, detected whether that described by-product is revealed step and farther included: pass through chlorine
Change magnesium detection reactor and detect whether described delivery pipe has magnesium chloride to reveal, in described magnesium chloride detection reactor, fill dilute sulfuric acid
Solution.
According to one embodiment of present invention, when white depositions occurring in described magnesium chloride detection reactor, stop
Heater heats and feeds to reductive jar, and carries out at least one described reduction body of heater, described reductive jar and described delivery pipe
Cooling, and described reductive jar is carried out evacuation process.
According to one embodiment of present invention, the top of described reduction body of heater is provided with at least one gas channel, drives gas
Flowed through the gap between described delivery pipe and described reduction body of heater, the sky between described reduction body of heater and described reductive jar
Between flow up, and discharge from described gas channel, wherein, the flow rate of described air-flow is positive with the temperature of described air-flow
Close.
According to one embodiment of present invention, open the bottom baffle of described reduction furnace, with increase described reduction body of heater and
Gap between described reductive jar.
According to one embodiment of present invention, the chiller of described reduction body of heater is started so that described reduction body of heater
Temperature decreased below the freezing point of described magnesium chloride in 3-5 minute.
According to one embodiment of present invention, in 3-5 minute, the absolute pressure in described reductive jar is reduced to 40-
50kpa。
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment and will become
Substantially with easy to understand, wherein:
Fig. 1 is the structural representation of titanium sponge reactor according to an embodiment of the invention；
Fig. 2 is the method for controlling security utilizing titanium sponge reactor to manufacture titanium sponge according to an embodiment of the invention
Schematic flow sheet；
Fig. 3 is the method for controlling security utilizing titanium sponge reactor to manufacture titanium sponge according to an embodiment of the invention
Detect whether the flow chart that by-product is revealed；
Fig. 4 is the method for controlling security utilizing titanium sponge reactor to manufacture titanium sponge according to an embodiment of the invention
Detect whether the flow chart that by-product is revealed.
Reference:
Titanium sponge reactor 100；
Reduction body of heater 10；Heater 11；Gas channel 12；Baffle plate 13；
Reductive jar 20；
Delivery pipe 30；
Chiller 40；
Feed pot 50.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
When utilizing magnesium reduction process to produce titanium sponge, in magnesium and titanium tetrachloride are placed in reductive jar and under the conditions of 850 DEG C
Reaction generates titanium sponge.During reaction, the discharge on reductive jar need to be opened in time and continually according to charging rate and extent of reaction
Pipe is to discharge the by-product that reduction titanium sponge produces, and the liquid level controlled in reductive jar fluctuates within the specific limits.
The titanium sponge reactor that utilizes described according to embodiments of the present invention referring to Fig. 1-Fig. 4 manufactures the safety of titanium sponge
Control method.
First, with reference to Fig. 1, titanium sponge reactor 100 according to embodiments of the present invention is described, as it is shown in figure 1, titanium sponge is anti-
Answer device 100 include reduce body of heater 10, for reduce titanium sponge and be arranged on reduction body of heater 10 cavity in reductive jar 20, reduction
The internal perisporium of body of heater 10 is provided with heater 11, adds thermal reduction titanium sponge and discharged off and on by delivery pipe 30 in reductive jar 20
The by-product that reduction titanium sponge produces, delivery pipe 30 wears the bottom of reduction body of heater 10 and is connected with the bottom of reductive jar 20.
Wherein, the import of reductive jar 20 can be connected with the outlet of feed pot 50, defeated to reductive jar 20 by feed pot 50
Send magnesium and carbon tetrachloride solution.Control valve can be provided with between reductive jar 20 and feed pot 50, control charging by control valve
Tank 50 carries feeding quantity to reductive jar 20.
Reductive jar 20 is heated thus provides heat for the reduction reaction between magnesium and titanium tetrachloride solution by heater 11
Amount, usual heater 11 is only defined the internal perisporium of reduction body of heater 10 so that bottom reductive jar 20 and the temperature of delivery pipe 30 is less than
The temperature of reductive jar 20 middle and upper part, so, during the by-product that reduction titanium sponge produces flows downward, temperature can slowly drop
Low.
The by-product that reduction titanium sponge produces is by intermittently discharging from delivery pipe 30, say, that whole
During titanium sponge production, in order to improve the chemical reaction rate of positive direction, i.e. chemical equation towards restoring more titanium
Direction is carried out, and needs intermittence to be discharged in reductive jar 20 by by-product, need not discharge by-product when, and reductive jar 20
Bottom is in completely enclosed state.
Additionally, the temperature in reductive jar 20 is generally at 850 degrees Celsius, when cannot completely enclose bottom reductive jar 20, secondary
Product will constantly leak from delivery pipe 30, affects titanium sponge and normally produces.And due to the pair flowed out from reductive jar 20
Product temperatur, more than 800 DEG C, the low-pricedest hinders staff, even initiation fire.
In view of above-mentioned, inventors herein propose a kind of method of controlling security utilizing titanium sponge reactor to manufacture titanium sponge, as
Shown in Fig. 2, this method of controlling security substantially may include that and detected whether that by-product is revealed；When having detected that by-product is revealed
Time, stop heater 11 and heat and feed to reductive jar 20, and reductive jar 20 is carried out evacuation process, and to reduction body of heater
10, at least one reductive jar 20 and delivery pipe 30 are lowered the temperature.Wherein, by-product at least includes magnesium chloride.
It is to say, during whole titanium sponge production, whole process has detected whether that by-product is revealed.Once detect
When by-product is revealed, at once take above-mentioned corresponding emergency measure.In other words, when detecting that by-product is revealed, can first stop
Only heater 11 heats and feeds to reductive jar 20, and then reductive jar 20 carry out evacuation process, then to reduction body of heater 10,
At least one reductive jar 20 and delivery pipe 30 are lowered the temperature；Or when detecting that by-product is revealed, can be first to reductive jar 20
Carry out evacuation process, then stop heater 11 and heat and feed to reductive jar 20, then to reduction body of heater 10, reductive jar 20
Lower the temperature with at least one delivery pipe 30；Or can be first at least one reduction body of heater 10, reductive jar 20 and delivery pipe 30
Lower the temperature, then reductive jar 20 is carried out evacuation process, then stop heater 11 and heat and feed to reductive jar 20.Need
It is noted that above-mentioned is only signal, is not the restriction of the method for controlling security to the embodiment of the present invention.
By stopping heater 11 and heat and the further of by-product in reductive jar 20 can be reduced to reductive jar 20 charging
Generate, reductive jar 20 is carried out evacuation process so that produce negative pressure in reductive jar 20, stop by-product further from row
Put pipe 30 to discharge, to reduction body of heater 10, reductive jar 20 and delivery pipe 30 at least one carry out cooling and can accelerate by-product and coagulate
Gu speed, thus stop the leakage of by-product.
The titanium sponge reactor that utilizes according to embodiments of the present invention manufactures the method for controlling security of titanium sponge, raw at titanium sponge
Detect the leak case of by-product during product, and when having detected that by-product is revealed, take to stop heater 11 heating and
Feed to reductive jar 20, and reductive jar 20 carried out evacuation process, and to reduction body of heater 10, reductive jar 20 and delivery pipe 30 to
One of few lower the temperature, can quickly and efficiently prevent by-product from revealing further, thus avoid the generation of security incident.
In some embodiments of the invention, as it is shown on figure 3, detected whether that by-product is revealed step and farther included:
Whether detect the ambient temperature immediately below described delivery pipe 30 more than or equal to predetermined temperature.Leak when there being by-product
Time, the ambient temperature immediately below delivery pipe 30 can be significantly raised, therefore, when detecting that the ambient temperature immediately below delivery pipe 30 is big
In or equal to predetermined temperature time, it can be determined that go out and have by-product to reveal, such that it is able to start corresponding measure prevention by-product
Further leakage.
The temperature of the by-product owing to flowing out from reductive jar 20 is typically larger than 800 degrees Celsius, therefore, when the ring detected
When border temperature is greatly equal to 800 degrees Celsius, stops heater 11 and heat and feed to reductive jar 20, and reductive jar 20 is taken out very
Vacancy is managed, and lowers the temperature at least one reduction body of heater 10, reductive jar 20 and delivery pipe 30.
Wherein it is possible to by temperature-detecting device detect ambient temperature, temperature-detecting device can be temperature sensor or
Electric fuse.Temperature-detecting device can be connected with control unit, and control unit controls heater by the temperature signal received
Whether 11 heat, and whether reductive jar 20 feeds, and whether reductive jar 20 carries out evacuation process, and the need of to reduction body of heater
10, reductive jar 20 and delivery pipe 30 at least one lower the temperature, thus ensure that titanium sponge production is carried out with security and stability.
In still other embodiments of the present invention, as shown in Figure 4, detected whether that by-product is revealed step and can be wrapped further
Include: whether have magnesium chloride to reveal by magnesium chloride detection reactor detection delivery pipe 30, fill dilute in magnesium chloride detection reactor
Sulfuric acid solution.When there being by-product to reveal, by-product can drip in dilution heat of sulfuric acid, and wherein, magnesium chloride can be sent out with dilute sulfuric acid
Biochemical reaction produces magnesium sulfate precipitation.
When white depositions occurring in magnesium chloride detection reactor, stop heater 11 and heat and add to reductive jar 20
Material, and at least one reduction body of heater 10, reductive jar 20 and delivery pipe 30 are lowered the temperature, and described reductive jar 20 is taken out very
Vacancy is managed, thus ensures that titanium sponge production is carried out with security and stability.
In still other embodiments of the present invention, the top of reduction body of heater 10 is provided with at least one gas channel 12, drives gas
Flowed through the gap between delivery pipe 30 and reduction body of heater 10, along the space between reduction body of heater 10 and reductive jar 20 to upstream
Dynamic, and discharge from gas channel 12, wherein, the flow rate of air-flow is proportionate with the temperature of air-flow.In other words, outside air
Enter in the space between reduction body of heater 10 and reductive jar 20 from the gap between delivery pipe 30 and reduction body of heater 10, and and space
Interior hot-air carries out heat exchange, then discharges from gas channel 12, thus plays and reduce whole titanium sponge reactor 100
Temperature, accelerates the by-product setting rate at delivery pipe 30, effectively stops by-product to be revealed further.
In order to increase the flow of air-flow in the unit interval, the bottom baffle 13 of reduction body of heater 10 can be opened, to increase also
Gap between former body of heater 10 and reductive jar 20, so that more air enters reduction body of heater 10 at short notice and goes back
In space between former tank 20, quickly reduce the temperature of whole titanium sponge reactor 100.
Further, it is also possible to start the chiller 40 of reduction body of heater 10 simultaneously so that the temperature of reduction body of heater 10 is divided at 3-5
Decrease below the freezing point of magnesium chloride in clock, thus further function as the effect of rapid condensation magnesium chloride.
Advantageously, in 3-5 minute, the absolute pressure in reductive jar 20 is reduced to 40-50kpa.Such that make discharge
Temperature in pipe 30 is not the most reduced to the freezing point of magnesium chloride, it is also possible to prevent by-product from revealing further.
In describing the invention, it is to be understood that term " on ", D score ", the end ", " interior ", the side of the instruction such as " outward "
Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplify description,
Rather than instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation, because of
This is not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；It can be machine
Tool connects, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units
Connection within part.For the ordinary skill in the art, can understand that above-mentioned term is at this as the case may be
Concrete meaning in bright.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
Can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but by it
Other characterisation contact between.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include that fisrt feature directly over second feature and oblique upper, or is merely representative of
Fisrt feature level height is less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to be interpreted as limitation of the present invention, those of ordinary skill in the art is without departing from the principle of the present invention and objective
In the case of above-described embodiment can be changed within the scope of the invention, revise, replace and modification.
Claims (10)
1. utilizing titanium sponge reactor to manufacture a method of controlling security for titanium sponge, described titanium sponge reactor includes reduction furnace
Body, for reducing titanium sponge and the reductive jar in being arranged on the cavity of described reduction body of heater, the internal perisporium of described reduction body of heater sets
Having heaters, is added thermal reduction titanium sponge in described reductive jar and is discharged the pair that reduction titanium sponge produces by delivery pipe off and on
Product, described delivery pipe wears the bottom of described reduction body of heater and is connected with the bottom of described reductive jar, it is characterised in that institute
State method of controlling security to include:
Detect whether that described by-product is revealed；
When having detected that described by-product is revealed, stop the heating of described heater and feed to described reductive jar, and to described
Reductive jar carries out evacuation process, and lowers the temperature at least one described reduction body of heater, described reductive jar and described delivery pipe.
The method of controlling security utilizing titanium sponge reactor to manufacture titanium sponge the most according to claim 1, it is characterised in that
Described by-product at least includes magnesium chloride.
The method of controlling security utilizing titanium sponge reactor to manufacture titanium sponge the most according to claim 1, it is characterised in that
Detect whether that described by-product is revealed step and farther included:
Whether detect the ambient temperature immediately below described delivery pipe more than or equal to predetermined temperature.
The method of controlling security utilizing titanium sponge reactor to manufacture titanium sponge the most according to claim 3, it is characterised in that
When the described ambient temperature detected is greatly equal to predetermined temperature, stops heater heating and feed to described reductive jar, and right
Described reductive jar carries out evacuation process, and carries out at least one described reduction body of heater, described reductive jar and described delivery pipe
Cooling, wherein, described predetermined temperature is 800 DEG C.
The method of controlling security utilizing titanium sponge reactor to manufacture titanium sponge the most according to claim 2, it is characterised in that
Detect whether that described by-product is revealed step and farther included: whether detect described delivery pipe by magnesium chloride detection reactor
There is magnesium chloride to reveal, in described magnesium chloride detection reactor, fill dilution heat of sulfuric acid.
The method of controlling security utilizing titanium sponge reactor to manufacture titanium sponge the most according to claim 5, it is characterised in that
When white depositions occurring in described magnesium chloride detection reactor, stop heater heating and feed to described reductive jar, and
At least one described reduction body of heater, described reductive jar and described delivery pipe are lowered the temperature, and described reductive jar is taken out very
Vacancy is managed.
The method of controlling security utilizing titanium sponge reactor to manufacture titanium sponge the most according to claim 1, it is characterised in that
The top of described reduction body of heater is provided with at least one gas channel, drive air-flow through described delivery pipe and described reduction body of heater it
Between gap, flow up along the space between described reduction body of heater and described reductive jar, and discharge from described gas channel,
Wherein,
The flow rate of described air-flow is proportionate with the temperature of described air-flow.
The method of controlling security utilizing titanium sponge reactor to manufacture titanium sponge the most according to claim 7, it is characterised in that
Open the bottom baffle of described reduction body of heater, to increase the gap between described reduction body of heater and described reductive jar.
The method of controlling security utilizing titanium sponge reactor to manufacture titanium sponge the most according to claim 8, it is characterised in that
Start the chiller of described reduction body of heater so that the temperature of described reduction body of heater decreased below described chlorine in 3-5 minute
Change the freezing point of magnesium.
The method of controlling security utilizing titanium sponge reactor to manufacture titanium sponge the most according to claim 9, its feature exists
In, in 3-5 minute, the absolute pressure in described reductive jar is reduced to 40-50kpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610674012.1A CN106191470A (en) | 2016-08-16 | 2016-08-16 | Manufacture the method for controlling security of titanium sponge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610674012.1A CN106191470A (en) | 2016-08-16 | 2016-08-16 | Manufacture the method for controlling security of titanium sponge |
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| CN106191470A true CN106191470A (en) | 2016-12-07 |
Family
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| CN201610674012.1A Withdrawn CN106191470A (en) | 2016-08-16 | 2016-08-16 | Manufacture the method for controlling security of titanium sponge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111455195A (en) * | 2020-05-18 | 2020-07-28 | 攀钢集团钛业有限责任公司 | Furnace returning method for reduction tank for titanium sponge production |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161207 |
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| WW01 | Invention patent application withdrawn after publication |