CN105858718B - A kind of Novel fluidized bed chlorinator without perforated-plate polycrystalline substance - Google Patents
A kind of Novel fluidized bed chlorinator without perforated-plate polycrystalline substance Download PDFInfo
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- CN105858718B CN105858718B CN201610381129.0A CN201610381129A CN105858718B CN 105858718 B CN105858718 B CN 105858718B CN 201610381129 A CN201610381129 A CN 201610381129A CN 105858718 B CN105858718 B CN 105858718B
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- perforated
- fluidized bed
- shell
- polycrystalline substance
- circular nozzle
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/02—Halides of titanium
- C01G23/022—Titanium tetrachloride
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Inorganic Chemistry (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The invention discloses a kind of Novel fluidized bed chlorinator without perforated-plate polycrystalline substance, including profile is in funnelform shell, and the bottom of the shell has slag-drip opening, and the medial surface of the shell has inner liner, and the inner liner is made by the material of fire resistant anticorrosive；Sealing, which runs through, on the shell is fixedly installed circular nozzle, it is characterised in that：The end surface shape of the puff prot of the circular nozzle is vertical circle, and the puff prot has the exposed portion being exposed at outside the inner liner, and the lower end in the exposed portion is flushed with the surface of the inner liner.Fluidized bed chlorinator without perforated-plate polycrystalline substance of the present invention has advantage simple in construction, ingenious in design, can effectively mitigate until eliminating the influence that viscous material is blocked to gas distributor, improvement furnace gas is distributed；Beneficial to blowing out number of times and time is reduced, extend the single working time of boiling chloridizing furnace, produced beneficial to the continuous high-efficient of fluidizing chlorination.
Description
Technical field
The invention belongs to titanium tetrachloride preparing technical field, and in particular to a kind of Novel fluidized bed chlorinator without perforated-plate bottom knot
Structure.
Background technology
Titanium is widely used in Aero-Space, naval vessel, weapons, chemical industry, smelting as preferable structural material corrosion resistant material
The industries such as gold, electric power, ocean engineering, medicine, automobile sports goods, building[ 1 , 2 ].Titanium dioxide is used as the white with premium properties
Pigment, for fields such as coating, ink, plastics, papermaking, chemical fibre and rubber[ 3 , 4 ].Titanium sponge and titanium dioxide are by TiCl4Production and
Come, therefore TiCl4It is the important intermediate raw material of Ti industry production.
Fluidizing chlorination method is domestic and international production TiCl4Prevailing technology, fluidizing chlorination method, which is divided into, sieve plate fluidizing chlorination method
(ω (CaO+MgO) ＜ 1.5%) and without sieve plate fluidizing chlorination method (ω (CaO+MgO) ＜ 2.5%~3.0%)[ 5,6 ].Wherein, no sieve plate
The application of fluidizing chlorination technique, expands the scope of titanium material application.At present, domestic main application contains higher calcium and magnesium impurity
The titanium material of (CaO and content of MgO 2.0%~3.0%), therefore generally use the fluidized bed chlorinator without perforated-plate of lower dreg discharging[ 7 ].And by
Chlorination thermodynamics understands that chlorination order of each component under chlorination temperature is CaO in titanium slag>MnO>FeO (is converted into FeCl2)>
MgO>Fe2O3>FeO (is converted into FeCl3)>TiO2>Al2O3>SiO2, CaO and MgO are prior to TiO2Chlorination[ 8 ].CaO and MgO chlorine
Change product CaCl2With MgCl2It is in molten condition under chlorination temperature, it is difficult to volatilize away, with the progress of chlorination, they are in chlorine
It is cumulative in change bed, feed particles are bonded, deteriorate fluidization situation, gas distributor is even blocked sometimes, chlorine is influenceed
Change gas distribution, it is impossible to be normally carried out chlorination operation[ 9 , 10 ]。
The polycrystalline substance of existing fluidized bed chlorinator without perforated-plate is mainly provided with circular seam type chlorine gas distributor or air-tube type chlorine
Gas distributor.Wherein, circular seam type chlorine gas distributor[ 11 ]Fluidized bed chlorinator without perforated-plate application, solve to a certain extent
Furnace gas is evenly distributed sex chromosome mosaicism, but in chlorination process, the binding material dropping process of fluidized bed chlorinator without perforated-plate bottom
In, some meetings hang over the lower edge of gas distributor or fallen into distributor, and blocking is caused when serious, so as to influence no sieve plate to boil
Rise being normally carried out for chloridization process.Liu Yuming etc.[ 12 ]Propose a kind of fluidized bed chlorinator without perforated-plate gas distributor as tracheae
Formula chlorine gas distributor, the chlorine gas distributor ensure that the uniformity for the chlorine distribution being passed through, but equally be difficult to overcome tracheae
The technical problem that gas outlet is blocked.
Based on this, applicant considers that design is a kind of and is capable of the new without sieve of effectively pre- function of preventing material from being bound blocking gas distributor
Plate boiling chloridizing furnace polycrystalline substance.
Bibliography：
[1] application of Hu Qingxiong titaniums and prospect forecast [J] Ti industries progress, 2003, (Z1):11-15.
[2] new opplication and prospect [J] World Nonferrous Metals of Guo Jianjun, He Yu titaniums, 2010, (01):66-69.
[3] old application [J] modern coatings and application towards the performance of magnificent titanium dioxides and its in coating, 2004, (03):
24-26.
[4] the Chinese chlor-alkali of application, production technology and market [J] of the domestic titanium dioxides of Song Ai armies, 2005, (08):18-
20.
[5] Lu Hedong, practices vast stretch of wooded country without sieve plate fluidizing chlorination method titanium tetrachloride production technology [J] chlorine industries, and 2009,
(09):26-29+34.
[6] Wen Wangguang are in progress without sieve plate fluid bed Study on Mathematic Model and its commercial Application [J] Ti industries, and 2001,
(05):25-29.
[7] Deng Guozhu China titanium sponge production technical progress and problems faced [J] steel vanadium titaniums, 2011, (04):1-
5.
[8] the hall spring is occupied, fine gold is sternly determined, the application of the high titanium slag carburizing chlorination thermodynamicss of reactions in fused salt chlorimation such as Li Xiangyang
[J] steel vanadium titaniums, 2010, (02):32-36.
[9] Wang Yafeng, Li Junfeng, Zhang Bingbing high titanium slag fluidizing chlorinations prepare titanium tetrachloride technical study [J] Henan section
Skill, 2014, (02):36-37.
[10] Ling Huchang letters Yunnan high titanium slag fluidizing chlorination produces thick TiCl_4 possibility research [J] Ti industries progress,
2002,(02):40-42.
[11] Wang Jun, Li Liang, the high calcium magnesium titanium slags such as model Xinping study [J] steel vanadium without the commerical test of sieve plate fluidizing chlorination
Titanium, 2013, (04):1-6.
[12] Liu Yuming, Wang Wei, the large-scale research and development without sieve plate fluidizing chlorination technology and equipment of the prosperous of money are with applying [J] titanium works
Industry is in progress, 2014, (01):35-37..
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：How providing one kind can have
Imitate the Novel fluidized bed chlorinator without perforated-plate polycrystalline substance that pre- function of preventing material from being bound blocks gas distributor.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of Novel fluidized bed chlorinator without perforated-plate polycrystalline substance, including profile are in funnelform shell, the bottom of the shell
Portion has slag-drip opening, and the medial surface of the shell has inner liner, and the inner liner is made by the material of fire resistant anticorrosive；Institute
State to seal to run through on shell and be fixedly installed circular nozzle, it is characterised in that：The end surface shape of the puff prot of the circular nozzle
For vertical circle, the puff prot has the exposed portion being exposed at outside the inner liner, lower end and the liner in the exposed portion
The surface of layer is flushed.
After above-mentioned Novel fluidized bed chlorinator without perforated-plate polycrystalline substance, in chlorination process, the clinker of whereabouts（Or chlorination
React the goo produced）Fall in the tapered slope of polycrystalline substance, wherein most clinker along the tapered slope downwards
Tumble to slag-drip opening discharge；Few part clinker is tumbled to the puff prot upper end of circular nozzle along above-mentioned tapered slope, then edge
The curve slopes of puff prot both sides falls, thus puff prot just to place with and its surrounding be difficult to accumulate clinker, can be effectively pre- anti-sticking
Tie feed blocking gas distributor（That is circular nozzle）, blowing out number of times and time are so advantageously reduced, extends boiling chloridizing furnace
The single working time, beneficial to the continuous production of fluidizing chlorination.
At the same time, the space that puff prot is taken inside the polycrystalline substance is minimum, so, will not only stop polycrystalline substance
Internal gas flowing, also cause inside polycrystalline substance can supplied gas flowing space it is maximum, therefore enable to polycrystalline substance
Internal gas more uniformly can be fully distributed so that chlorination reaction faster can be carried out more completely.
Further, it is fixedly installed one between the liner surface adjacent with its top of the upper end of the puff prot
Landslide, the projection of the landslide in the vertical direction can cover the horizontal component on the exposed portion top.
Though because the horizontal component area of puff prot upper end is smaller, but still it is easier to the clinker that accumulation is fallen；Therefore be provided with above-mentioned
Behind landslide, the landslide may be such that down that dropping down onto its domatic clinker quickly slides, therefore can further prevent the stove at because of puff prot
Slag muck is accumulated and the situation for the gas distributor that results in blockage.
Further, the domatic of the landslide is inner concave shape arcwall face.
So, the landslide of said structure enables to the clinker slid from the landslide with maximum to away from jet
The acceleration of the direction movement of mouth, therefore may be such that the clinker slid via the landslide can rise further from the gas outlet of puff prot
While to more preferable anti-clogging effect；Also it may be such that the ejection process of puff prot chlorine is more smoothly, so as to optimize boiling chlorine
Change the distribution of chlorine in stove, promote chlorination reaction preferably to carry out.
Further, the circular nozzle be along the shell circumferencial direction be uniformly arranged it is multiple.
The setting of multiple circular nozzles, it is possible to increase chlorine intake in boiling chloridizing furnace in the unit interval, and then improve
Chlorination reaction velocity, improves TiCl4Production efficiency.
Further, the inlet end of the circular nozzle is sealedly connected with flow control valve.
The setting of above-mentioned flow control valve, the amount of chlorine into boiling chloridizing furnace can be controlled more conveniently, so that right
Chlorination reaction process is regulated and controled.In addition, setting after flow control valve so that the polycrystalline substance can be according to various body of heater sizes
Boiling chloridizing furnace needed for throughput adjust, therefore can preferably adapt to the boiling chloridizing furnace of various body of heater sizes, have
More preferably versatility.
Preferably, the internal diameter of the circular nozzle is 20mm to 30mm.
In the case that the circular nozzle of above-mentioned size ensure that suitable chlorine throughput so that be exposed at outside inner liner
Puff prot surface area it is smaller, be better protected from the accumulation of the clinker that falls on the surface of puff prot, therefore with preferably anti-
Block effect.
Further, circumferencial direction of the upper surface of the inner liner along the shell is convex is formed with a circle annular boss.
The setting of above-mentioned annular boss, can be stretched into inside fluidized bed furnace shaft, play connection shaft, protection flange and
The effect of following furnace wall brick.
Preferably, the circular nozzle is spaced at least two groups in the short transverse of the shell.
So, the demand of chlorine in boiling chloridizing furnace can preferably be met.
Preferably, spaced at least two groups circular nozzle being projected as in same level in the height direction
It is interspersed.
The setting of said structure, may be such that more uniformly spreading for chlorine in boiling chloridizing furnace, so as to help chlorination reaction
Preferably carry out.
Fluidized bed chlorinator without perforated-plate polycrystalline substance of the present invention has advantage simple in construction, ingenious in design, can effectively subtract
The light influence blocked up to elimination viscous material to gas distributor, improves furnace gas distribution；Beneficial to reduce blowing out number of times with
Time, extend the single working time of boiling chloridizing furnace, produced beneficial to the continuous high-efficient of fluidizing chlorination.
Brief description of the drawings
Fig. 1 is the structural representation of fluidized bed chlorinator without perforated-plate polycrystalline substance of the present invention.
Fig. 2 is enlarged drawing at A in Fig. 1.
Fig. 3 is the enlarged drawing of another embodiment at A in Fig. 1.
Marked in figure：
1 slag-drip opening；
2 inner liners；
3 shells；
4 annular boss；
5 circular nozzles；
6 flow control valves；
7 landslides；
Passage is blown by the of 8；
9 strip grooves.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.Wherein, for description using it is such as upper and lower, left,
The exemplary term such as right, it is therefore intended that help reader to understand, without being intended for limitation.
During specific implementation：As shown in Figure 1 to Figure 2, a kind of Novel fluidized bed chlorinator without perforated-plate polycrystalline substance, including profile is in
Funnelform shell 3, the bottom of the shell 3 has slag-drip opening 1, and the medial surface of the shell 3 has inner liner 2, and this is interior
Lining 2 is made by the material of fire resistant anticorrosive；Sealing, which runs through, on the shell 3 is fixedly installed circular nozzle 5, the circle
The end surface shape of the puff prot of jet pipe 5 is vertical circle, and the puff prot has the exposed portion being exposed at outside the inner liner 2, institute
The lower end for stating exposed portion is flushed with the surface of the inner liner 2.
During implementation, preferred axial line of the puff prot just to the shell 3.So, the chlorine sprayed by puff prot
Air-flow will not be internally formed eddy flow, more conducively abundant distribution of the chlorine in polycrystalline substance in bottom construction.
Wherein, it is fixedly installed one between the surface of the inner liner 2 adjacent with its top of the upper end of the puff prot
Landslide 7, the projection of 7 in the vertical directions of the landslide can cover the horizontal component on the exposed portion top.
Wherein, the domatic of the landslide 7 is inner concave shape arcwall face.
Wherein, the circular nozzle 5 is 6 be uniformly arranged along the circumferencial direction of the shell 3.
Wherein, the inlet end of the circular nozzle 5 is sealedly connected with flow control valve 6.
Wherein, the internal diameter of the circular nozzle 5 is 20mm to 30mm.
Wherein, circumferencial direction of the upper surface of the inner liner 2 along the shell 3 is convex is formed with a circle annular boss 4.
Wherein, the circular nozzle 5 is spaced two groups in the short transverse of the shell 3.
Wherein, spaced at least two groups circular nozzles 5 being projected as in same level is handed in the height direction
Mistake distribution, offsets one from another 30 degree.It thus can effectively improve the gas distribution in boiling chloridizing furnace, be more uniformly spread
Chloridating gas distribution.
After above-mentioned Novel fluidized bed chlorinator without perforated-plate polycrystalline substance, in chlorination process, the clinker of whereabouts（Or chlorination
React the goo produced）Fall in the tapered slope of polycrystalline substance, wherein most clinker along the tapered slope downwards
Tumble to slag-drip opening 1 and discharge；Few part clinker is tumbled to the puff prot upper end of circular nozzle 5 along above-mentioned tapered slope, then
Along puff prot both sides curve slope fall, therefore puff prot just to place with and its surrounding be difficult accumulate clinker, can effectively prevent
Binding material blocks gas distributor（That is circular nozzle 5）, blowing out number of times and time are so advantageously reduced, extends fluidizing chlorination
The single working time of stove, beneficial to the continuous production of fluidizing chlorination.
At the same time, the space that puff prot is taken inside the polycrystalline substance is minimum, so, will not only stop polycrystalline substance
Internal gas flowing, also cause inside polycrystalline substance can supplied gas flowing space it is maximum, therefore enable to polycrystalline substance
Internal gas more uniformly can be fully distributed so that chlorination reaction faster can be carried out more completely.
It is another when implementing, on the circular nozzle 5 at the neighbouring puff prot and landslide it is domatic between also insertion set
There is a side to blow passage 8.So, the other setting for blowing passage 8 may be such that thus the chlorine in circular nozzle 5 can spray, Jin Erneng
It is enough in the clinker for accelerating that landslide is dropped down onto under blowing down；In addition, the chlorine that passage 8 blows out is blown by this can also optimize fluidizing chlorination
The distribution of chlorine in stove so that more uniformly spreading for chlorine is abundant, so as to promote chlorination reaction preferably to carry out.
Further, the side is blown passage 8 and gradually increased from top to bottom.So, blown by this and be located at domatic place on passage 8
Opening it is minimum, not only form necking by above-mentioned minimal openings, and then improve the flow velocity that chlorine is blown out through the necking,
Increase the chlorine blowing force for blowing down clinker；Even if in addition, thering is clinker to be fallen into from the other minimal openings for blowing passage 8, also because of the clinker
Size be consistently less than the size of the other passway for blowing passage 8, therefore do not easily cause the blocking that passage 8 is blown by this, and the stove fallen into
Slag can be dropped down onto inside circular nozzle 5, finally blown out by the chlorine inside circular nozzle 5 from puff prot.
Further, blown on the circular nozzle 5 adjacent to side and strip groove 9 is provided with passage 8, the strip groove 9 is by preceding
Gradually deepen backward（Using one end where puff prot on circular nozzle 5 as " rear "）, and the rear end of the strip groove 9 and the side
Blow the lower end connection of passage 8.The setting of above-mentioned strip groove 9 can guide the chlorine of circular nozzle 5 preferably to flow into side to blow logical
Road 8, is prevented because chlorine flow velocity is excessive in puff prot and then the situation of formation negative pressure in passage 8 is blown on side, so that it is logical to promote side to blow
Preferably realize its function in road 8.
It the above is only the preferred embodiment of the present invention, need to point out it is not depart from this skill for those skilled in the art
On the premise of art scheme, several modifications and improvements can also be made, the technical scheme of above-mentioned modification and improvement equally should be considered as
Enter this application claims scope.
Claims (8)
1. a kind of Novel fluidized bed chlorinator without perforated-plate polycrystalline substance, including profile are in funnelform shell, the bottom of the shell
With slag-drip opening, the medial surface of the shell has inner liner, and the inner liner is made by the material of fire resistant anticorrosive；It is described
Sealing, which runs through, on shell is fixedly installed circular nozzle, it is characterised in that：The end surface shape of the puff prot of the circular nozzle is
Vertical circle, the puff prot has the exposed portion being exposed at outside the inner liner, lower end and the inner liner in the exposed portion
Surface flush；
A landslide, the cunning are fixedly installed between the liner surface adjacent with its top of the upper end of the puff prot
The projection of slope in the vertical direction can cover the horizontal component on the exposed portion top；
On the circular nozzle at the neighbouring puff prot and landslide it is domatic between also insertion be provided with a side and blow passage。
2. Novel fluidized bed chlorinator without perforated-plate polycrystalline substance according to claim 1, it is characterised in that：The slope on the landslide
Face is inner concave shape arcwall face.
3. Novel fluidized bed chlorinator without perforated-plate polycrystalline substance according to claim 1, it is characterised in that：The circular nozzle
For the circumferencial direction along the shell be uniformly arranged it is multiple.
4. Novel fluidized bed chlorinator without perforated-plate polycrystalline substance according to claim 1, it is characterised in that：The circular nozzle
Inlet end be sealedly connected with flow control valve.
5. Novel fluidized bed chlorinator without perforated-plate polycrystalline substance according to claim 1, it is characterised in that：The circular nozzle
Internal diameter be 20mm to 30mm.
6. Novel fluidized bed chlorinator without perforated-plate polycrystalline substance according to claim 1, it is characterised in that：The inner liner
Circumferencial direction of the upper surface along the shell is convex to be formed with a circle annular boss.
7. Novel fluidized bed chlorinator without perforated-plate polycrystalline substance according to claim 1, it is characterised in that：The circular nozzle
For spaced at least two groups in the short transverse of the shell.
8. Novel fluidized bed chlorinator without perforated-plate polycrystalline substance according to claim 7, it is characterised in that：In the height direction
Spaced at least two groups circular nozzle being projected as in same level are interspersed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610381129.0A CN105858718B (en) | 2016-06-01 | 2016-06-01 | A kind of Novel fluidized bed chlorinator without perforated-plate polycrystalline substance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610381129.0A CN105858718B (en) | 2016-06-01 | 2016-06-01 | A kind of Novel fluidized bed chlorinator without perforated-plate polycrystalline substance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105858718A CN105858718A (en) | 2016-08-17 |
| CN105858718B true CN105858718B (en) | 2017-08-29 |
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ID=56675822
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610381129.0A Expired - Fee Related CN105858718B (en) | 2016-06-01 | 2016-06-01 | A kind of Novel fluidized bed chlorinator without perforated-plate polycrystalline substance |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105460925A (en) * | 2015-12-28 | 2016-04-06 | 神华集团有限责任公司 | Graphitizing furnace liner structure |
| CN110526287B (en) * | 2019-08-30 | 2022-07-29 | 河南佰利联新材料有限公司 | Sieve plate-free fluidized bed chlorination furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919442A (en) * | 2006-08-01 | 2007-02-28 | 遵义钛业股份有限公司 | Multi-laminar flow cribriform-plate-free boiling chloridization furnace |
| CN2923669Y (en) * | 2006-07-17 | 2007-07-18 | 贵阳铝镁设计研究院 | Sieve-board-free boiling chloring furnace |
| CN101746815A (en) * | 2008-12-05 | 2010-06-23 | 贵阳铝镁设计研究院 | Boiling chlorination furnace for preparing titanium tetrachloride by using natural rutile |
| CN202379758U (en) * | 2011-12-22 | 2012-08-15 | 唐山天赫钛业有限公司 | Furnace hearth device for fluidized bed chlorinator without perforated-plate |
-
2016
- 2016-06-01 CN CN201610381129.0A patent/CN105858718B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2923669Y (en) * | 2006-07-17 | 2007-07-18 | 贵阳铝镁设计研究院 | Sieve-board-free boiling chloring furnace |
| CN1919442A (en) * | 2006-08-01 | 2007-02-28 | 遵义钛业股份有限公司 | Multi-laminar flow cribriform-plate-free boiling chloridization furnace |
| CN101746815A (en) * | 2008-12-05 | 2010-06-23 | 贵阳铝镁设计研究院 | Boiling chlorination furnace for preparing titanium tetrachloride by using natural rutile |
| CN202379758U (en) * | 2011-12-22 | 2012-08-15 | 唐山天赫钛业有限公司 | Furnace hearth device for fluidized bed chlorinator without perforated-plate |
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