CN108675332A - Preparation facilities of alchlor and preparation method thereof - Google Patents
Preparation facilities of alchlor and preparation method thereof Download PDFInfo
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- CN108675332A CN108675332A CN201810686481.4A CN201810686481A CN108675332A CN 108675332 A CN108675332 A CN 108675332A CN 201810686481 A CN201810686481 A CN 201810686481A CN 108675332 A CN108675332 A CN 108675332A
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- Prior art keywords
- chlorine
- alchlor
- valve
- aluminum shot
- fluidized
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/48—Halides, with or without other cations besides aluminium
- C01F7/56—Chlorides
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The present invention, which discloses, is related to titanium white chloride industry technology field, especially a kind of preparation facilities of alchlor, it includes fluidized-bed reactor, aluminum shot feeding system, chlorine gas transfer system, hot gas body conveying system, aluminum shot feeding system is connected with the middle and upper part of fluidized-bed reactor, hot gas body conveying system, chlorine gas transfer system are connected with the lower part of fluidized-bed reactor, and gas flowmeter is provided on the conveyance conduit of chlorine gas transfer system.When preparation, it first passes through aluminum shot feeding system and excessive aluminum shot is added, hot titanium tetrachloride gases are added by hot gas body conveying system again, then chlorine is added into fluidized-bed reactor by chlorine gas transfer system again, chlorine reacts after preheating with aluminum shot generation, to prepare alchlor, the addition of chlorine is counted by gas flowmeter, since chlorine is gas, the data accuracy height of gas flowmeter statistics, error are small, can considerably improve the quality stability for the alchlor prepared.
Description
Technical field
The present invention relates to titanium white chloride industry technology field, the preparation facilities of especially a kind of alchlor and its preparation side
Method.
Background technology
Carried out currently, the preparation of alchlor is typically employed in void tower reactor, prepare raw material be aluminium powder and
Chlorine, the alchlor prepared are directly gone out from reactor, and the production of titanium white chloride is used for.Alchlor is in preparation process
In, the addition of chlorine is controlled by counting the dosage of aluminium powder, and then count the amount for the alchlor prepared, due to aluminium powder
To be powdered, dosage is smaller, and the error of very inconvenient statistics, statistics is larger, keeps the content error of addition chlorine larger, two kinds
The ratio that raw material are added is incorrect, causes the quality stability for the alchlor prepared relatively low, and then influences titanium white chloride
Production.
Invention content
Technical problem to be solved by the invention is to provide a kind of alchlors improving alchlor quality stability
Preparation facilities.
The present invention solves the preparation facilities of alchlor used by its technical problem, including fluidized-bed reactor, aluminum shot
Feeding system, chlorine gas transfer system, hot gas body conveying system, aluminum shot feeding system are connected with the middle and upper part of fluidized-bed reactor
It connects, hot gas body conveying system, chlorine gas transfer system are connected with the lower part of fluidized-bed reactor, the conveying of chlorine gas transfer system
Gas flowmeter is provided on pipeline.
Further, fluidized-bed reactor includes body, it is disposed with 6-8 layers of sieve plate in body under from lower, often
It is provided with sieve pore on layer sieve plate.
Further, aluminum shot feeding system includes feed bin, aluminum shot conveyance conduit, the first valve, the second valve, third valve
Door, the 4th valve, feed bin are connected by aluminum shot conveyance conduit with fluidized-bed reactor, the first valve, the second valve, third valve
Door, the 4th valve are successively set on aluminum shot conveyance conduit.
Further, aluminum shot feeding system further includes pressurization actuating unit, pressurization actuating unit includes charged air induction pipe
Road, pressure release outlet pipe, the aluminum shot conveying of charged air induction pipeline, pressure release outlet pipe between the second valve, third valve
Pipeline is connected, and charged air induction pipeline, pressure release outlet pipe are both provided with opening and closing valve.
Further, being provided at least two opening and closing valve on the conveyance conduit of chlorine gas transfer system.
Further, further including chlorine protection mechanism, the conveyance conduit phase of chlorine protection mechanism and chlorine gas transfer system
Connection.
Further, further including protective gas transport system, in protective gas transport system and fluidized-bed reactor
Top is connected, and at least two opening and closing valve is provided on the conveyance conduit of protective gas transport system.
In addition, another of the invention technical problems to be solved are to provide and a kind of improving the three of alchlor quality stability
The preparation method of aluminium chloride.
The present invention also provides a kind of preparation methods of alchlor, are filled using the preparation of any one above-mentioned alchlor
It sets, raw material are aluminum shot and chlorine of the grain size between 3-5mm.
The beneficial effects of the invention are as follows：The raw material that the present invention prepares alchlor are aluminum shot of the grain size between 3-5mm
And chlorine.When prepared by alchlor, first passes through aluminum shot feeding system and excessive aluminum shot is added into fluidized-bed reactor, then pass through
Hot titanium tetrachloride gases are added into fluidized-bed reactor for hot gas body conveying system, are used for the pre-heat treatment to aluminum shot and chlorine,
To meet the condition of aluminum shot and chlorine reaction, chlorine, chlorine are then added into fluidized-bed reactor by chlorine gas transfer system again
Gas reacts after preheating with aluminum shot generation, to prepare alchlor.In alchlor preparation of the production process, between aluminum shot
Formula of having a rest feeding makes the aluminum shot in fluidized-bed reactor keep excessive, the addition of chlorine is counted by gas flowmeter, due to
Chlorine is gas, and data accuracy (accuracy) height of gas flowmeter statistics, error are small, can considerably improve and prepare
Alchlor quality stability.
Description of the drawings
Fig. 1 is the structural schematic diagram of the preparation facilities of alchlor of the present invention；
Parts, position and number in figure：Fluidized-bed reactor 1, aluminum shot feeding system 2, feed bin 21, the first valve 22,
Second valve 23, third valve 24, the 4th valve 25, charged air induction pipeline 26, pressure release outlet pipe 27, chlorine gas transfer system 3,
Gas flowmeter 31, hot gas body conveying system 4, chlorine protection mechanism 5, protective gas transport system 6.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, the preparation facilities of alchlor of the present invention, including fluidized-bed reactor 1, aluminum shot feeding system 2, chlorine
Gas transport system 3, hot gas body conveying system 4, aluminum shot feeding system 2 are connected with the middle and upper part of fluidized-bed reactor 1, fluid bed
Reactor 1 includes body, is disposed with 6-8 layers of sieve plate under from lower in body, sieve pore, hot gas are provided on every layer of sieve plate
Transport system 4, chlorine gas transfer system 3 are connected with the lower part of fluidized-bed reactor 1, the conveyance conduit of chlorine gas transfer system 3
On be provided with gas flowmeter 31.
The raw material that the present invention prepares alchlor are aluminum shot and chlorine of the grain size between 3-5mm.It is prepared by alchlor
When, it first passes through aluminum shot feeding system 2 and excessive aluminum shot is added into fluidized-bed reactor 1, then is past by hot gas body conveying system 3
Hot titanium tetrachloride gases are added in fluidized-bed reactor 1, for the pre-heat treatment to aluminum shot and chlorine, to meet aluminum shot and chlorine
Then chlorine is added into fluidized-bed reactor 1 by chlorine gas transfer system 3 again in the condition of reaction, chlorine after preheating with
Aluminum shot generates reaction, to prepare alchlor.In alchlor preparation of the production process, the intermittent feeding of aluminum shot makes stream
Aluminum shot in fluidized bed reactor keeps excessive, and the addition of chlorine is counted by gas flowmeter, since chlorine is gas, gas
Data accuracy (accuracy) height of flowmeter body statistics, error are small, can considerably improve the alchlor prepared
Quality stability.
Specifically, since the alchlor of preparation is for producing titanium white chloride, so by hot gas body conveying system
The hot gas of addition is preferably titanium tetrachloride gases.
Again as shown in Figure 1, aluminum shot feeding system 2 includes feed bin 21, aluminum shot conveyance conduit, the first valve 22, the second valve
23, third valve 24, the 4th valve 25, feed bin 21 are connected by aluminum shot conveyance conduit with fluidized-bed reactor 1, the first valve
22, the second valve 23, third valve 24, the 4th valve 25 are successively set on aluminum shot conveyance conduit.Since alchlor is being made
When standby, containing there are many high-temperature gas, the first valve 22, the second valve 23, third valve 24, the 4th valves in fluidized-bed reactor 1
The effect one of door 25 has been switching function, and the second effect is to constitute multiple protective structure, prevents high-temperature gas from entering on aluminum shot
In material system 2.By controlling the first valve 22, the opening and closing of the second valve 23, in conjunction between the first valve 22, the second valve 23
Conveyance conduit can also form easy feeding, a metering device, ensure the stability of aluminum shot feeding.Due to passing through aluminum shot
Grain size is between 3-5mm, in transmission process, may be glued on aluminum shot conveyance conduit, so aluminum shot feeding system 2 is also set
It is equipped with pressurization actuating unit, pressurization actuating unit includes charged air induction pipeline 26, pressure release outlet pipe 27, charged air induction pipeline
26, aluminum shot conveyance conduit of the pressure release outlet pipe 27 between the second valve 23, third valve 24 is connected, charged air induction pipe
Road 26, pressure release outlet pipe 27 are both provided with opening and closing valve, and pressurization actuating unit is for purging the aluminium for being sticked to aluminum shot conveyance conduit
Grain, gas use inert nitrogen gas.
Equally, the high-temperature gas in order to prevent in fluidized-bed reactor 1 enters in chlorine gas transfer system 3, chlorine gas transfer
It is provided at least two opening and closing valve on the conveyance conduit of system 3, further, chlorine protection mechanism 5 can be also set, chlorine is protected
Shield mechanism 5 is connected with the conveyance conduit of chlorine gas transfer system 3, when alchlor preparation, by chlorine protection mechanism 5 toward chlorine
It is passed through inert nitrogen gas in the conveyance conduit of transport system 3, ensures that chlorine enters in fluidized-bed reactor 1, prevents chlorine
And other gas leaks, cause environmental pollution.
In order to protect reacting for aluminum shot and chlorine in fluidized-bed reactor 1, the present invention is additionally provided with protective gas delivery system
System 6, protective gas transport system 6 is connected with the middle and upper part of fluidized-bed reactor 1, the delivery pipe of protective gas transport system 6
At least two opening and closing valve is provided on road, protective gas transport system 6 is passed through inert nitrogen gas into fluidized-bed reactor 1.
The preparation method of alchlor, using the preparation facilities of alchlor described above, raw material are that grain size exists
Aluminum shot between 3-5mm and chlorine.
Claims (8)
1. the preparation facilities of alchlor, it is characterised in that：Including fluidized-bed reactor (1), aluminum shot feeding system (2), chlorine
Transport system (3), hot gas body conveying system (4), aluminum shot feeding system (2) are connected with the middle and upper part of fluidized-bed reactor (1),
Hot gas body conveying system (4), chlorine gas transfer system (3) are connected with the lower part of fluidized-bed reactor (1), chlorine gas transfer system
(3) gas flowmeter (31) is provided on conveyance conduit.
2. the preparation facilities of alchlor as described in claim 1, it is characterised in that：Fluidized-bed reactor (1) includes body,
It is disposed with 6-8 layers of sieve plate in body under from lower, sieve pore is provided on every layer of sieve plate.
3. the preparation facilities of alchlor as described in claim 1, it is characterised in that：Aluminum shot feeding system (2) includes feed bin
(21), aluminum shot conveyance conduit, the first valve (22), the second valve (23), third valve (24), the 4th valve (25), feed bin
(21) it is connected with fluidized-bed reactor (1) by aluminum shot conveyance conduit, the first valve (22), the second valve (23), third valve
Door (24), the 4th valve (25) are successively set on aluminum shot conveyance conduit.
4. the preparation facilities of alchlor as claimed in claim 3, it is characterised in that：Aluminum shot feeding system (2) further includes adding
Pressure power mechanism, pressurization actuating unit includes charged air induction pipeline (26), pressure release outlet pipe (27), charged air induction pipeline
(26), aluminum shot conveyance conduit of the pressure release outlet pipe (27) between the second valve (23), third valve (24) is connected, and adds
It is pressed into feed channel (26), pressure release outlet pipe (27) is both provided with opening and closing valve.
5. the preparation facilities of alchlor as described in claim 1, it is characterised in that：The delivery pipe of chlorine gas transfer system (3)
At least two opening and closing valve is provided on road.
6. the preparation facilities of alchlor as described in claim 1, it is characterised in that：Further include chlorine protection mechanism (5), chlorine
Gas shielded mechanism (5) is connected with the conveyance conduit of chlorine gas transfer system (3).
7. the preparation facilities of the alchlor as described in claim 1 to 6 any one, it is characterised in that：Further include protection gas
Body conveying system (6), protective gas transport system (6) are connected with the middle and upper part of fluidized-bed reactor (1), protective gas conveying
At least two opening and closing valve is provided on the conveyance conduit of system (6).
8. the preparation method of alchlor, it is characterised in that：Use the preparation dress of any one alchlor of claim 1-7
It sets, the raw material of preparation method are aluminum shot and chlorine of the grain size between 3-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810686481.4A CN108675332B (en) | 2018-06-28 | 2018-06-28 | Preparation device and preparation method of aluminum trichloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810686481.4A CN108675332B (en) | 2018-06-28 | 2018-06-28 | Preparation device and preparation method of aluminum trichloride |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108675332A true CN108675332A (en) | 2018-10-19 |
| CN108675332B CN108675332B (en) | 2021-01-26 |
Family
ID=63812551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810686481.4A Active CN108675332B (en) | 2018-06-28 | 2018-06-28 | Preparation device and preparation method of aluminum trichloride |
Country Status (1)
| Country | Link |
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| CN (1) | CN108675332B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3730748A (en) * | 1970-03-05 | 1973-05-01 | Bayer Ag | Production of mixed oxides containing aluminum oxide |
| CA992293A (en) * | 1973-03-19 | 1976-07-06 | Louis S. Belknap | Aluminum trichloride production |
| CN2743324Y (en) * | 2004-07-23 | 2005-11-30 | 刘长河 | Device for generating aluminium chloride using filling material fluidization bed method |
| CN103626215A (en) * | 2013-09-17 | 2014-03-12 | 攀钢集团攀枝花钢铁研究院有限公司 | Method and device for preparing aluminum trichloride |
| CN105197974A (en) * | 2015-11-03 | 2015-12-30 | 苏州市金翔钛设备有限公司 | Fluidized bed generator |
| CN205099375U (en) * | 2015-11-03 | 2016-03-23 | 苏州市金翔钛设备有限公司 | Fluidized bed generator |
| CN106467317A (en) * | 2016-09-06 | 2017-03-01 | 攀钢集团攀枝花钢铁研究院有限公司 | aluminum chloride reactor |
-
2018
- 2018-06-28 CN CN201810686481.4A patent/CN108675332B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3730748A (en) * | 1970-03-05 | 1973-05-01 | Bayer Ag | Production of mixed oxides containing aluminum oxide |
| CA992293A (en) * | 1973-03-19 | 1976-07-06 | Louis S. Belknap | Aluminum trichloride production |
| CN2743324Y (en) * | 2004-07-23 | 2005-11-30 | 刘长河 | Device for generating aluminium chloride using filling material fluidization bed method |
| CN103626215A (en) * | 2013-09-17 | 2014-03-12 | 攀钢集团攀枝花钢铁研究院有限公司 | Method and device for preparing aluminum trichloride |
| CN105197974A (en) * | 2015-11-03 | 2015-12-30 | 苏州市金翔钛设备有限公司 | Fluidized bed generator |
| CN205099375U (en) * | 2015-11-03 | 2016-03-23 | 苏州市金翔钛设备有限公司 | Fluidized bed generator |
| CN106467317A (en) * | 2016-09-06 | 2017-03-01 | 攀钢集团攀枝花钢铁研究院有限公司 | aluminum chloride reactor |
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| Publication number | Publication date |
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| CN108675332B (en) | 2021-01-26 |
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