CN206511934U - Multistage quick chlorination furnace - Google Patents
Multistage quick chlorination furnace Download PDFInfo
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- CN206511934U CN206511934U CN201720130992.9U CN201720130992U CN206511934U CN 206511934 U CN206511934 U CN 206511934U CN 201720130992 U CN201720130992 U CN 201720130992U CN 206511934 U CN206511934 U CN 206511934U
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- bed
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- reaction
- fast reaction
- chlorination furnace
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Abstract
The utility model discloses a kind of multistage quick chlorination furnace, multistage quick chlorination furnace 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 reclaim bed be 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 reclaims bed internal diameter, fast bed upper end is provided with reactant mixture outlet, fast bed lower end is connected with compound turbulent bed upper end, compound turbulent bed lower end is connected 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；The multistage quick chlorination furnace of the utility model can produce the pulverulent mixture of high titanium slag and petroleum coke and chlorine in hot environment efficient, uninterrupted, efficient chlorination reaction.
Description
Technical field
The utility model belongs to chemical production equipment field, particularly a kind of multistage quick chlorination furnace.
Background technology
A particularly important link is during the rich titanium material production TiCl4, TiCl4 of chlorination is Ti industry 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, be 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, and the process of chlorination reaction producing titanium tetrachloride t 5 bx is carried out 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 less use sieve plate chlorination furnace of current domestic production producer, mainly often occurs sieve plate clogging.
The Chinese patent of Patent No. 201510534669.3 discloses a kind of boiling chloridizing furnace, and the stove can make powdery former
Material in stove with chlorine fluidizing chlorination, and have good anti-stick property, it is to avoid 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 is solved be to provide it is a kind of rapidly, continuously, efficient multistage quick chlorination furnace.
The technical solution for realizing the utility model purpose is：A kind of multistage quick chlorination furnace, multistage quick chlorination furnace
By fast bed, compound turbulent bed, fast reaction and reclaim three sections of bed successively from top to bottom and be composed in series, it is the fast bed, compound
Turbulent bed, fast reaction and recovery bed are cylindrical shape, are combined turbulent bed internal diameter and are more than fast bed internal diameter, are combined turbulent bed internal diameter
More than fast reaction and recovery bed internal diameter, fast bed upper end is provided with reactant mixture outlet, fast bed lower end and compound turbulent flow
Bed upper end connection, compound turbulent bed lower end is connected with fast reaction and recovery bed upper end, fast reaction and recovery bed upper end side wall
Provided with pulverulent mixture charging aperture, provided with gas distribution in the fast reaction and recovery bed below pulverulent mixture charging aperture
Device, gas distributor is connected with chlorination furnace chlorine pipeline, is provided with the fast reaction and recovery bed below gas distributor
High titanium slag chlorination reactor；
The high titanium slag chlorination reactor includes dish-shaped distributor, infundibulate gas hood, drive shaft, speed changer, driving electricity
Machine, infundibulate collector, heat insulation bottom board, the dish-shaped distributor are made up of two cones, two cone base diameter phases
Together, two cone bottoms are fixedly connected, and dish-shaped distributor bottom is fixedly connected with drive shaft one end, heat insulation bottom board with it is quick
The inwall of reaction and recovery bed is fixedly connected, and drive shaft is rotated with heat insulation bottom board and is connected, and motor is fixed on fast reaction
And reclaim on bed, motor is connected by speed changer with the drive shaft other end, and infundibulate gas hood is placed on dish-shaped distributor
Side, infundibulate gas hood edge and fast reaction and the inwall fixed seal connection of recovery bed, infundibulate gas hood and dish-shaped distributor
The conical surface leave gap, infundibulate collector edge is with fast reaction and reclaims the inwall fixed seal connection of bed, wherein funnel
The charging aperture of shape gas hood is connected with the discharging opening of infundibulate collector, and the heat insulation bottom board is provided with waste outlet and chlorine air inlet
Hole, chlorine air admission hole is connected with high titanium slag chlorination reactor chlorine pipeline.
Preferably, the heat insulation bottom board is set to a circle groove, and the crosscutting section of groove is that waste outlet is provided with V-arrangement, groove.
Preferably, the body of heater of the multistage quick chlorination furnace is from outside to inside successively by steel metal bucket, heat-insulation layer, refractory material
Layer composition.
Preferably, the fast bed, compound turbulent bed, fast reaction and reclaiming be equipped with bed 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）The multistage quick chlorination furnace of the utility model significantly carries to solve solid phase in the residence time of fluidized bed reaction zone
High device capbility, general circulation pipe is replaced using the turbulent bed of half dilute phase, realizes the upward new fast fluidization of gas-solid cocurrent
Bed.
（2）The multistage quick chlorination furnace of the utility model is three sections of body of heater compositions, so that the mixture in stove produces piston
Reaction motive force and contacting efficiency between formula or approximate flowing in the form of piston, two-phase all improve significantly, and improve chlorination anti-
Answer efficiency.
（3）The multistage quick chlorination furnace of the utility model has certain anti-stick property, if CaCl2 and MgCl2 etc.
Cause the material of the bonding of feed particles to there is bonding phenomenon, then discharged by the reactant mixture at the top of multistage fast fluidized bed
Mouth, which enters the material in dust collecting system, to cause bonding in the absence of not had in CaCl2 and MgCl2, i.e. dust-slag collection
The chlorides such as 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 is passed through in production, avoid distribution plate face bonding occur again stifled
Plug.
（5）High titanium slag chlorination reactor of the present utility model can be by the responseless powder in part in multistage quick chlorination furnace
Shape mixture or without the pulverulent mixture chlorination reaction again that boiling is got up, improves raw material availability, saves cost.
（6）Between the conical surface of the infundibulate gas hood of high titanium slag chlorination reactor of the present utility model and dish-shaped distributor leaves
Gap, forms narrow chlorine passage, high titanium slag is fully contacted with chlorine with petroleum coke pulverulent mixture, improves chlorination reaction effect
Rate.
（7）High titanium slag chlorination reactor of the present utility model in order to have abundance time supply pulverulent mixture and chlorinated with chlorine
Reaction, the conical surface gradient inclination angle of dish-shaped distributor can not be too big, and domatic inclination angle is too small and can cause pulverulent mixture in cone
Face accumulation produces blocking, therefore dish-shaped distributor is rotated under motor with certain speed, effectively can prevent powdery from mixing
Thing is accumulated in the conical surface of dish-shaped distributor, eliminates and blocks.
（8）The heat insulation bottom board of high titanium slag chlorination reactor of the present utility model is set to a circle groove, and groove is easier to collect
Reactant is fixed after chlorination reaction, it is discharged from waste outlet.
Quick chlorination furnace multistage to the utility model is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the multistage quick chlorination furnace of utility model.
Fig. 2 is high titanium slag chlorination reactor structural representation of the present utility model.
Fig. 3 is the overlooking the structure diagram of high titanium slag chlorination reactor of the present utility model.
Embodiment
As shown in Figure 1：A kind of multistage quick chlorination furnace, multistage quick chlorination furnace is from top to bottom successively by fast bed 1, compound
Turbulent bed 2, fast reaction and 3 three sections of bed of recovery are composed in series, the fast bed 1, compound turbulent bed 2, fast reaction and recovery
Bed 3 is cylindrical shape, is combined the internal diameter of turbulent bed 2 and is more than the internal diameter of fast bed 1, is combined the internal diameter of turbulent bed 2 and is more than fast reaction and returns
The internal diameter of bed 3 is received, the upper end of fast bed 1 is provided with reactant mixture outlet 11, and the lower end of fast bed 1 is connected with the compound upper end of turbulent bed 2,
The compound lower end of turbulent bed 2 is connected with fast reaction and recovery bed 3 upper end, and fast reaction and recovery bed 3 upper end side wall are provided with powdery
Mixture charging aperture 4, gas distributor 5 is provided with the fast reaction of the lower section of pulverulent mixture charging aperture 4 and recovery bed 3,
Gas distributor 5 is connected with chlorination furnace chlorine pipeline 6, is provided with the fast reaction of the lower section of gas distributor 5 and recovery bed 3
High titanium slag chlorination reactor 7；
As shown in Fig. 2-Fig. 3：High titanium slag chlorination reactor 7 includes dish-shaped distributor 71, infundibulate gas hood 72, drive shaft
73rd, speed changer 74, motor 75, infundibulate collector 76, heat insulation bottom board 77, the dish-shaped distributor 71 is by two cones
Composition, two cone base diameters are identical, and two cone bottoms are fixedly connected, the dish-shaped bottom of distributor 71 and drive shaft
73 one end are fixedly connected, and heat insulation bottom board 77 is fixedly connected with the inwall of fast reaction and recovery bed 3, drive shaft 73 and heat-insulated bottom
Plate 77 rotates connection, and motor 75 is fixed on fast reaction and reclaimed on bed 3, and motor 75 passes through speed changer 74 and transmission
The other end of rotating shaft 73 is connected, and infundibulate gas hood 72 is placed in the dish-shaped top of distributor 71, the edge of infundibulate gas hood 72 and fast reaction
And reclaiming the inwall fixed seal connection of bed 3, the conical surface of infundibulate gas hood 72 and dish-shaped distributor 71 leaves gap, and infundibulate is received
The edge of storage 76 and fast reaction and the inwall fixed seal connection of recovery bed 3, the wherein charging aperture of infundibulate gas hood 72 and leakage
The discharging opening connection of bucket shape collector 76, the heat insulation bottom board 77 is provided with waste outlet 81 and chlorine air admission hole 82, chlorine air inlet
Hole 82 is connected with high titanium slag chlorination reactor chlorine pipeline 83.
Heat insulation bottom board 77 is set to a circle groove, and the crosscutting section of groove is that waste outlet 81 is provided with V-arrangement, groove, is easy to stove
Slag collects discharge.
The body of heater of multistage quick chlorination furnace is made up of steel metal bucket, heat-insulation layer, refractory masses successively from outside to inside.
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
In-furnace temperature and pressure are monitored in real time, to make corresponding adjustment.
Distribution grid is provided between compound turbulent bed 2 and fast reaction and recovery bed 3, pneumatic effect in stove is effectively improved.
Distribution grid is two-sided corrugated multiple wide bore distribution plates, ensures that material is passed through in production, and obtains equal
Even, active compound turbulent bed 2 and distribution plate face is avoided to occur bonding core.
The utility model operation principle of the present utility model：
High titanium slag chlorination reaction is exothermic reaction, and its liberated heat is the main supplying heat source that maintenance reaction is carried out.It is high
Titanium slag chlorination reaction should be under 900 DEG C~1000 DEG C of temperature environment, high titanium slag（TiO2, Ti2O3, TiO, TiN are mainly contained,
TiC, FeO, MnO2, MgO, CaO, SiO2, V2O5）Powder is mixed according to a certain percentage with petroleum coke to feed by helical feed
Device adds fast reaction and reclaimed in bed 3；The gas distributor 5 of multistage quick chlorination furnace bottom is passed through high-voltage high-speed chlorine；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 produces piston type or approximate flowing in the form of piston with chlorine in the triple-fired furnace body of multistage quick chlorination furnace, improves
Thrust and contacting efficiency are reacted, efficiency chlorination reaction is improved.Multistage quick chlorination furnace is run need to be from heat insulation bottom board after a period of time
77 phase of waste outlet 81 discharge clinker, the effluent of reactant mixture outlet 11 is the dust that product gas body is carried secretly.
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 pulverulent mixture got up without seething with excitement fall in multistage quick chlorination furnace
Enter on the dish-shaped distributor 71 of titanium slag chlorination reactor 7 with chlorine produce chlorination reaction；Dish-shaped distributor 7 is in motor 75
Rotated under driving with certain speed, prevent from mixing powder accumulated plugging.
Claims (6)
1. a kind of multistage quick chlorination furnace, it is characterised in that multistage quick chlorination furnace is from top to bottom successively by fast bed（1）, it is multiple
Close turbulent bed（2）, fast reaction and reclaim bed（3）Three sections are composed in series, the fast bed（1）, compound turbulent bed（2）, it is quick
Reaction and recovery bed（3）It is cylindrical shape, is combined turbulent bed（2）Internal diameter is more than fast bed（1）Internal diameter, is combined turbulent bed（2）It is interior
Footpath is more than fast reaction and reclaims bed（3）Internal diameter, fast bed（1）Upper end is provided with reactant mixture outlet（11）, fast bed（1）
Lower end and compound turbulent bed（2）Upper end is connected, and is combined turbulent bed（2）Lower end and fast reaction and recovery bed（3）Upper end is connected, soon
Speed reaction and recovery bed（3）Upper end side wall is provided with pulverulent mixture charging aperture（4）, positioned at pulverulent mixture charging aperture（4）Lower section
Fast reaction and reclaim bed（3）It is interior to be provided with gas distributor（5）, gas distributor（5）With chlorination furnace chlorine pipeline（6）Even
It is logical, 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）；
The high titanium slag chlorination reactor（7）Including dish-shaped distributor（71）, infundibulate gas hood（72）, drive shaft（73）, become
Fast device（74）, motor（75）, infundibulate collector（76）, heat insulation bottom board（77）, the dish-shaped distributor（71）By two
Cone is constituted, and two cone base diameters are identical, and two cone bottoms are fixedly connected, dish-shaped distributor（71）Bottom with
Drive shaft（73）One end is fixedly connected, heat insulation bottom board（77）With fast reaction and recovery bed（3）Inwall be fixedly connected, be driven
Rotating shaft（73）With heat insulation bottom board（77）Rotate connection, motor（75）It is fixed on fast reaction and reclaims bed（3）On, driving electricity
Machine（75）Pass through speed changer（74）With drive shaft（73）The other end is connected, infundibulate gas hood（72）It is placed in dish-shaped distributor（71）
Top, infundibulate gas hood（72）Edge and fast reaction and recovery bed（3）Inwall fixed seal connection, infundibulate gas hood（72）
With dish-shaped distributor（71）The conical surface leave gap, infundibulate collector（76）Edge and fast reaction and recovery bed（3）It is interior
Wall fixed seal connection, wherein infundibulate gas hood（72）Charging aperture and infundibulate collector（76）Discharging opening connection, it is described
Heat insulation bottom board（77）Provided with waste outlet（81）With chlorine air admission hole（82）, chlorine air admission hole（82）With high titanium slag chlorination reactor
Chlorine pipeline（83）Connection.
2. multistage quick chlorination furnace according to claim 1, it is characterised in that the heat insulation bottom board（77）It is set to a circle recessed
Groove, the crosscutting section of groove is that waste outlet is provided with V-arrangement, groove（81）.
3. multistage quick chlorination furnace according to claim 1, it is characterised in that the body of heater of the multistage quick chlorination furnace from
It is made up of successively steel metal bucket, heat-insulation layer, refractory masses outside to inside.
4. multistage quick chlorination furnace according to claim 1, it is characterised in that the fast bed（1）, compound turbulent bed
（2）, fast reaction and reclaim bed（3）Inside it is equipped with some K-type electroheat pairs and pressure pipe.
5. multistage quick chlorination furnace according to claim 1, it is characterised in that the compound turbulent bed（2）With it is quick anti-
Bed and should be reclaimed（3）Between be provided with distribution grid.
6. multistage quick chlorination furnace according to claim 5, it is characterised in that the distribution grid is two-sided corrugated many
Individual wide bore distribution plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130992.9U CN206511934U (en) | 2017-02-14 | 2017-02-14 | Multistage quick chlorination furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130992.9U CN206511934U (en) | 2017-02-14 | 2017-02-14 | Multistage quick chlorination furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206511934U true CN206511934U (en) | 2017-09-22 |
Family
ID=59866664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720130992.9U Expired - Fee Related CN206511934U (en) | 2017-02-14 | 2017-02-14 | Multistage quick chlorination furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206511934U (en) |
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2017
- 2017-02-14 CN CN201720130992.9U patent/CN206511934U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20220214 |