CN206783331U - Quick chlorination furnace with feed device - Google Patents
Quick chlorination furnace with feed device Download PDFInfo
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- CN206783331U CN206783331U CN201720130994.8U CN201720130994U CN206783331U CN 206783331 U CN206783331 U CN 206783331U CN 201720130994 U CN201720130994 U CN 201720130994U CN 206783331 U CN206783331 U CN 206783331U
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Abstract
The utility model discloses a kind of quick chlorination furnace with feed device, quick chlorination furnace with feed device is from top to bottom successively by fast bed, compound turbulent bed, fast reaction and three sections of bed of recovery are composed in series, the fast bed, compound turbulent bed, fast reaction and recovery bed are cylindrical shape, compound turbulent bed internal diameter is more than fast bed internal diameter, compound turbulent bed internal diameter is more than fast reaction and recovery bed internal diameter, fast bed upper end is provided with reactant mixture outlet, fast bed lower end connects with compound turbulent bed upper end, compound turbulent bed lower end connects with fast reaction and recovery bed upper end, fast reaction and recovery bed upper end side wall are provided with pulverulent mixture charging aperture, high titanium slag chlorination reactor is provided with fast reaction and recovery bed below pulverulent mixture charging aperture；Quick chlorination furnace of the utility model with feed device can produce the pulverulent mixture of high titanium slag and petroleum coke and chlorine efficiently, uninterruptedly in hot environment, efficient chlorination reaction.
Description
Technical field
The utility model belongs to chemical production equipment field, particularly a kind of quick chlorination furnace with feed device.
Background technology
A particularly important link is chlorination richness titanium material production TiCl4 in Ti industry, and TiCl4 is in Ti industry
Most important intermediate products, are chloridising production titanium dioxides, and hydro-thermal method produces the important intermediate products of nano barium phthalate.TiCl4
It can be obtained by fluidizing chlorination, fluidizing chlorination is also referred to as fluidization chlorination, is using chlorine as fluid and chlorinating agent, by high titanium slag and stone
The compound of oil coke is under suspended state in fluidized bed furnace, carries out the process of chlorination reaction producing titanium tetrachloride t 5 bx at high temperature.
Fluidizing chlorination is the main technique of existing production, and China, the U.S., Japan use, in current production, according to stream
State chlorination furnace bottom whether there is sieve plate, and being divided into again has sieve plate fluidization chlorination and without two kinds of processes of sieve plate fluidization chlorination.
The producer of domestic production at present is less to use sieve plate chlorination furnace, and sieve plate clogging mainly often occurs.
The Chinese patent of Patent No. 201510534669.3 discloses a kind of boiling chloridizing furnace, and the stove can make powdery former
Material, with chlorine fluidizing chlorination, and has good anti-stick property in stove, avoids feed particles bonding phenomenon, but this fluidizing chlorination
Stove uses relatively low chlorination temperature and relatively low gas velocity, and powder raw material does not have good turbulent suspension effect with chlorine in stove,
The residue and high boiling chloride of chlorination reaction generation are all fallen on sieve plate, easily cause sieve plate blocking.Stove is in production period
Between deslagging often, and need stopping to be passed through chlorine, compound during deslagging, so as to reduce single stove production capacity, and can not be sharp again
With the residue reacted.
Utility model content
The technical problem that the utility model solves be to provide it is a kind of rapidly, continuously, it is efficient with feed device
Quick chlorination furnace.
The technical solution for realizing the utility model purpose is：A kind of quick chlorination furnace with feed device, is carried
The quick chlorination furnace of feed device is from top to bottom successively by three sections of fast bed, compound turbulent bed, fast reaction and recovery bed series connection
Composition, the fast bed, compound turbulent bed, fast reaction and recovery bed are cylindrical shape, and compound turbulent bed internal diameter is more than quick
Bed internal diameter, compound turbulent bed internal diameter is more than fast reaction and recovery bed internal diameter, fast bed upper end side wall are arranged provided with reactant mixture
Outlet, fast bed lower end connect with compound turbulent bed upper end, and compound turbulent bed lower end connects with fast reaction and recovery bed upper end,
Fast reaction and recovery bed upper end side wall are provided with pulverulent mixture charging aperture, quick anti-below pulverulent mixture charging aperture
It and should reclaim in bed and be provided with gas distributor, high titanium slag chlorine is provided with the fast reaction and recovery bed below gas distributor
Change reactor, pulverulent mixture charging aperture is connected with solid material conveying device, and gas distributor passes through pressure piping and supply
Device connects；
The solid material conveying device include high-order blending bunker, small feed bin, heating coil pump, blower fan, it is described include it is mixed
Close in feed bin and be provided with two agitators, the agitating shaft of two agitators is arranged in a crossed manner, and high-order blending bunker, small feed bin pass through star-like
Blanking device is connected, and small feed bin is connected with heating coil pump charging aperture, and heating coil pumps out material mouth and connected with pulverulent mixture charging aperture
It is logical, it is provided with blower fan in the discharging opening of heating coil pump；
The feeder includes liquid chlorine steel pipe, Low Temperature Thermal tank, coil pipe type heater, surge tank, and liquid chlorine steel pipe is placed in
In Low Temperature Thermal tank, liquid chlorine steel pipe is connected by pipeline with coil pipe type heater, and coil pipe type heater passes through pipeline and surge tank
Connection, surge tank are connected by pressure piping with gas distributor；
The high titanium slag chlorination reactor includes distribution blade, drive shaft, swash plate, motor, fixed support, distribution
If blade is made up of dry plate blade, every blade is provided with angle with horizontal plane, and several are distributed blade centers from top to bottom successively
Fix and contact with drive shaft, drive shaft and fixed support are rotatablely connected, and fixed support and fast reaction and reclaim the interior of bed
Wall is fixedly connected, and motor is fixedly connected with the inwall of fast reaction and recovery bed, and motor connects with drive shaft one end
Connect, swash plate is located between bottom a piece of distribution blade and motor, swash plate and fast reaction and the inner wall sealing of recovery bed
It is fixedly connected, swash plate is provided with chlorine air admission hole, and the minimum side of swash plate is provided with discharging opening, and surge tank is connected by pipeline and chlorine air admission hole
It is logical.
Preferably, the body of heater of the quick chlorination furnace with feed device is from outside to inside successively by steel metal bucket, insulation
Layer, refractory masses composition.
Preferably, the fast bed, compound turbulent bed, fast reaction and recovery bed in be equipped with some K-type electroheat pairs and
Pressure pipe.
Preferably, it is provided with distribution grid between the compound turbulent bed and fast reaction and recovery bed.
Preferably, the distribution grid is two-sided corrugated multiple wide bore distribution plates.
The utility model compared with prior art, its remarkable advantage：
（1）Quick chlorination furnace of the utility model with feed device is solution solid phase in the stop of fluidized bed reaction zone
Between, device capbility is greatly improved, in general circulation pipe is replaced using the turbulent bed of half dilute phase, realizes upward new of gas-solid cocurrent
Fast fluidized bed.
（2）Quick chlorination furnace of the utility model with feed device forms for three sections of bodies of heater, so that the mixing in stove
Produce are lived plug or approximate flowing in the form of piston, and the reaction motive force and contacting efficiency between two-phase all improve significantly,
Improve chlorination reaction efficiency.
（3）Quick chlorination furnace of the utility model with feed device has certain anti-stick property, if CaCl2
There is bonding phenomenon in the material for causing the bonding of feed particles with MgCl2 etc., then pass through the reaction at the top of multistage fast fluidized bed
CaCl2 and MgCl2 should be not present in the material that mixture outlet enters in dust collecting system, i.e., not had in dust-slag collection causes
The chlorides such as cohesive CaCl2, MgCl2 are present.
（4）The distribution grid of multistage chlorination furnace of the utility model with retracting device is two-sided corrugated multiple macropores point
Fabric swatch, corrugated surface and macroscopic void ensure that material passes through in production, avoid distribution plate face bonding occur again stifled
Plug.
（5）High titanium slag chlorination reactor of the present utility model is provided with Multi-layers distributing blade, is not partly reacted in chlorination furnace
Pulverulent mixture or without boiling get up pulverulent mixture be sprinkling upon distribution blade on, distribution blade in rotation by powdery
Mixture is scattered in next distribution blade, the process of pulverulent mixture a piece of distribution blade on distribution blade and in the case where falling on
In all carried out sufficient chlorination reaction with chlorine, reduce wastage of material.
Quick chlorination furnace of the utility model with feed device is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of quick chlorination furnace of the utility model with feed device.
Fig. 2 is the structural representation of the utility model high titanium slag chlorination reactor.
Fig. 3 is the distribution blade construction schematic diagram of the utility model high titanium slag chlorination reactor.
Embodiment
As shown in Figure 1：A kind of quick chlorination furnace with feed device, the quick chlorination furnace with feed device is from up to
Under successively by fast bed 1, compound turbulent bed 2, fast reaction and recovery 3 three sections of bed be composed in series, the fast bed 1, compound rapids
Fluidized bed 2, fast reaction and recovery bed 3 are cylindrical shape, and the compound internal diameter of turbulent bed 2 is more than the internal diameter of fast bed 1, compound turbulent bed 2
Internal diameter is more than fast reaction and the recovery internal diameter of bed 3, the upper end side wall of fast bed 1 are provided with reactant mixture outlet 11, under fast bed 1
End connects with the compound upper end of turbulent bed 2, the compound lower end of turbulent bed 2 and fast reaction and reclaims the upper end of bed 3 and connects, fast reaction and
The recovery upper end side wall of bed 3 is provided with pulverulent mixture charging aperture 4, positioned at the lower section of pulverulent mixture charging aperture 4 fast reaction and time
Receive in bed 3 and be provided with gas distributor 5, high titanium slag chlorination is provided with the fast reaction of the lower section of gas distributor 5 and recovery bed 3
Reactor 7, pulverulent mixture charging aperture 4 are connected with solid material conveying device, and gas distributor 5 passes through pressure piping and supply
Device connects；
Solid material conveying device includes high-order blending bunker 81, small feed bin 82, heating coil pump 83, blower fan 84, described
Include in blending bunker 81 and be provided with two agitators, the agitating shaft of two agitators is arranged in a crossed manner, high-order blending bunker 81, small feed bin
82 are connected by star-like blanking device, and small feed bin 82 is connected with the charging aperture of heating coil pump 83, the discharging opening of heating coil pump 83 and powder
Shape mixture charging aperture 4 is connected, and blower fan 84 is provided with the discharging opening of heating coil pump 83；
Feeder includes liquid chlorine steel pipe 91, Low Temperature Thermal tank 92, coil pipe type heater 93, surge tank 94, liquid chlorine steel pipe
91 are placed in Low Temperature Thermal tank 92, and liquid chlorine steel pipe 91 is connected by pipeline with coil pipe type heater 93, and coil pipe type heater 93 is logical
Piping is connected with surge tank 94, and surge tank 94 is connected by pressure piping with gas distributor 5；
As shown in Fig. 2-Fig. 3：High titanium slag chlorination reactor 7 includes distribution blade 71, drive shaft 72, swash plate 73, driving
Motor 74, fixed support 75, if distribution blade 71 is made up of dry plate blade, every blade is provided with angle with horizontal plane, several
It is distributed the center of blade 71 and fixes series winding with drive shaft 72 successively from top to bottom, drive shaft 72 rotates with fixed support 75 is connected
Connect, fixed support 75 is fixedly connected with the inwall of fast reaction and recovery bed 73, motor 74 and fast reaction and recovery bed 3
Inwall be fixedly connected, motor 74 is connected with the one end of drive shaft 72, and swash plate 73 is located at bottom a piece of distribution blade 71
Between motor 74, swash plate 73 is fixedly connected with the inner wall sealing of fast reaction and recovery bed 3, and swash plate 73 enters provided with chlorine
Stomata 76,73 minimum side of swash plate are provided with discharging opening 77, and surge tank 94 is connected by pipeline with chlorine air admission hole 76.
The body of heater of quick chlorination furnace with feed device is from outside to inside successively by steel metal bucket, heat-insulation layer, refractory material
Layer composition.
Some K-type electroheat pairs and pressure pipe are equipped with fast bed 1, compound turbulent bed 2, fast reaction and recovery bed 3, can
Monitoring in-furnace temperature and pressure in real time, to make corresponding adjustment.
Distribution grid is provided between compound turbulent bed 2 and fast reaction and recovery bed 3, effectively improves pneumatic effect in stove.
Distribution grid is two-sided corrugated multiple wide bore distribution plates, ensures that material passes through in production, and is obtained equal
Even, active compound turbulent bed 2 and to avoid being distributed plate face and occur bonding core.
The utility model operation principle of the present utility model：
The high-order blending bunker 81 of solid material conveying device is by agitator by high titanium slag（Mainly contain TiO2,
Ti2O3, TiO, TiN, TiC, FeO, MnO2, MgO, CaO, SiO2, V2O5）Stirred into petroleum coke and a certain proportion of mix powdery
Thing, mixing powder are blown into quick chlorination furnace by the blower fan 84 of heating coil pump 83, the liquid chlorine steel pipe 91 of feeder
It is placed on Low Temperature Thermal tank 92 and vaporizes, the chlorine after vaporization enters gas gathering manifold, while controls chlorine evaporating capacity, stable chlorine
Pressure, chlorine enter the second gasification of coil pipe type heater 93 and enter surge tank 94 in dripless dry chlorine gas, and surge tank 94 is by high pressure
It is fed separately to low pressure chlorine in quick chlorination furnace.
High titanium slag chlorination reaction is exothermic reaction, and its liberated heat is the main supplying heat source that maintenance reaction is carried out.Stove
Interior reaction temperature is that technological parameter is stably maintained at 1000~1273 by adjusting chlorine gas velocity and compound charging rate etc.
K, high titanium slag produce piston type or approximate piston type with chlorine in the triple-fired furnace body of the quick chlorination furnace with feed device
Flowing, the effluent of reactant mixture outlet 11 be product gas body entrainment dust.
Chlorine produces following reaction with mixing powdery thing：
Main reaction：
TiO2+2C+2Cl2=TiCl4+2CO+Q TiO2+C+2Cl2=TiCl4+CO2+Q
Side reaction：
Fe2O3+3C+3Cl2=2FeCl3+3CO 2Fe2O3+3C+6Cl2=4FeCl3+3CO2
CaO+C+Cl2=CaCl2+CO 2CaO+C+2Cl2=2CaCl2+CO2
MgO+C+Cl2=MgCl2+CO 2MgO+C+2Cl2=2MgCl2+CO2
Al2O3+3C+3Cl2=2AlCl3+3CO 2Al2O3+3C+6Cl2=4AlCl3+3CO2
MnO+C+Cl2=MnCl2+CO 2MnO+C+2Cl2=2MnCl2+CO2
SiO2+2C+2Cl2=SiCl4+2CO SiO2+C+2Cl2=SiCl4+CO2
V2O5+3C+3Cl2=2VOCl3+3CO 2V2O5+3C+6Cl2=4VOCl3+3CO2
CH4+2Cl2=4HCl+C 2H2O+2Cl2=4HCl+O2
The responseless pulverulent mixture in part or the powder to get up without boiling in quick chlorination furnace with feed device
Shape mixture is fallen on distribution blade 71, and distribution blade 71 scatters pulverulent mixture in next distribution blade in rotation
71, pulverulent mixture has all been carried out fully on distribution blade 71 and during a piece of distribution blade 71 under falling on chlorine
Chlorination reaction, reduce wastage of material, improve the reaction efficiency of whole quick chlorination furnace.
Claims (5)
1. a kind of quick chlorination furnace with feed device, it is characterised in that the quick chlorination furnace with feed device is from up to
Under successively by fast bed（1）, compound turbulent bed（2）, fast reaction and recovery bed（3）Three sections are composed in series, the fast bed
（1）, compound turbulent bed（2）, fast reaction and recovery bed（3）It is cylindrical shape, compound turbulent bed（2）Internal diameter is more than fast bed
（1）Internal diameter, compound turbulent bed（2）Internal diameter is more than fast reaction and recovery bed（3）Internal diameter, fast bed（1）Upper end side wall is provided with anti-
Answer mixture outlet（11）, fast bed（1）Lower end and compound turbulent bed（2）Upper end connects, compound turbulent bed（2）Lower end with it is fast
Speed reaction and recovery bed（3）Upper end connects, fast reaction and recovery bed（3）Upper end side wall is provided with pulverulent mixture charging aperture（4）,
Positioned at pulverulent mixture charging aperture（4）The fast reaction of lower section and recovery bed（3）It is interior to be provided with gas distributor（5）, positioned at gas
Distributor（5）The fast reaction of lower section and recovery bed（3）It is interior to be provided with high titanium slag chlorination reactor（7）, pulverulent mixture charging aperture
（4）It is connected with solid material conveying device, gas distributor（5）It is connected by pressure piping with feeder；
The solid material conveying device includes high-order blending bunker（81）, small feed bin（82）, heating coil pump（83）, blower fan
（84）, the blending bunker（81）Two agitators are inside provided with, the agitating shaft of two agitators is arranged in a crossed manner, high-order blending bunker
（81）, small feed bin（82）Connected by star-like blanking device, small feed bin（82）With heating coil pump（83）Charging aperture connects, and heats spiral shell
Revolve pump（83）Discharging opening and pulverulent mixture charging aperture（4）Connection, heating coil pump（83）Discharging opening in be provided with blower fan（84）；
The feeder includes liquid chlorine steel pipe（91）, Low Temperature Thermal tank（92）, coil pipe type heater（93）, surge tank（94）,
Liquid chlorine steel pipe（91）It is placed in Low Temperature Thermal tank（92）It is interior, liquid chlorine steel pipe（91）Pass through pipeline and coil pipe type heater（93）Connection,
Coil pipe type heater（93）Pass through pipeline and surge tank（94）Connection, surge tank（94）Pass through pressure piping and gas distributor
（5）Connection；
The high titanium slag chlorination reactor（7）Including being distributed blade（71）, drive shaft（72）, swash plate（73）, motor
（74）, fixed support（75）, it is distributed blade（71）If being made up of dry plate blade, every blade is provided with angle with horizontal plane, some
Individual distribution blade（71）Center from top to bottom successively with drive shaft（72）Fixed series winding, drive shaft（72）With fixed support
（75）Rotation connection, fixed support（75）With fast reaction and recovery bed（73）Inwall be fixedly connected, motor（74）With
Fast reaction and recovery bed（3）Inwall be fixedly connected, motor（74）With drive shaft（72）One end connects, swash plate（73）
It is located at bottom a piece of distribution blade（71）With motor（74）Between, swash plate（73）With fast reaction and recovery bed（3）'s
Inner wall sealing is fixedly connected, swash plate（73）Provided with chlorine air admission hole（76）, swash plate（73）Minimum side is provided with discharging opening（77）, buffering
Tank（94）Pass through pipeline and chlorine air admission hole（76）Connection.
2. the quick chlorination furnace according to claim 1 with feed device, it is characterised in that described to carry feed device
The body of heater of quick chlorination furnace be made up of successively steel metal bucket, heat-insulation layer, refractory masses from outside to inside.
3. the quick chlorination furnace according to claim 1 with feed device, it is characterised in that the fast bed（1）, it is multiple
Close turbulent bed（2）, fast reaction and recovery bed（3）Inside it is equipped with some K-type electroheat pairs and pressure pipe.
4. the quick chlorination furnace according to claim 1 with feed device, it is characterised in that the compound turbulent bed
（2）With fast reaction and recovery bed（3）Between be provided with distribution grid.
5. the quick chlorination furnace according to claim 4 with feed device, it is characterised in that the distribution grid is two-sided
Corrugated multiple wide bore distribution plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130994.8U CN206783331U (en) | 2017-02-14 | 2017-02-14 | Quick chlorination furnace with feed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130994.8U CN206783331U (en) | 2017-02-14 | 2017-02-14 | Quick chlorination furnace with feed device |
Publications (1)
| Publication Number | Publication Date |
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| CN206783331U true CN206783331U (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720130994.8U Expired - Fee Related CN206783331U (en) | 2017-02-14 | 2017-02-14 | Quick chlorination furnace with feed device |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588211A (en) * | 2021-01-18 | 2021-04-02 | 重庆大学 | Titanium dioxide carbonization boiling chlorination simulation reactor and simulation method |
-
2017
- 2017-02-14 CN CN201720130994.8U patent/CN206783331U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588211A (en) * | 2021-01-18 | 2021-04-02 | 重庆大学 | Titanium dioxide carbonization boiling chlorination simulation reactor and simulation method |
| CN112588211B (en) * | 2021-01-18 | 2022-05-10 | 重庆大学 | Titanium dioxide carbonization boiling chlorination simulation reactor and simulation method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20220214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |