CN107500327A - A kind of aluminium sulphate production device and method - Google Patents
A kind of aluminium sulphate production device and method Download PDFInfo
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- CN107500327A CN107500327A CN201710942797.0A CN201710942797A CN107500327A CN 107500327 A CN107500327 A CN 107500327A CN 201710942797 A CN201710942797 A CN 201710942797A CN 107500327 A CN107500327 A CN 107500327A
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- reactor
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- feed back
- aluminum sulfate
- sulfuric acid
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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
- C01F7/68—Aluminium compounds containing sulfur
- C01F7/74—Sulfates
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The present invention relates to a kind of aluminium sulphate production device and method, the production equipment includes powder box, product pump, vapor can, reactor, acidity-basicity sensor is provided with the reactor, the reactor lower end connects filter, the outlet end connection crystallizing pond of the filter, the arrival end of the slag notch end connection feed back pump of the filter, the arrival end of the feed back pump also connects sulphuric acid tank, the port of export of the feed back pump connects the reactor, the crystallizing pond connects solid-liquid separator, the solid-liquid separator lower end is respectively equipped with liquid outlet and discharging opening, the liquid outlet of the solid-liquid separator connects the sulphuric acid tank by pipeline；Material reaction is complete in production equipment reactor of the present invention, surplus is few, and the material not reacted completely can re-use, and improve the utilization rate of material.
Description
Technical field
The present invention relates to a kind of aluminium sulphate production device and method, belong to aluminum sulfate processing technical field.
Background technology
Aluminum sulfate is mainly generated by aluminium hydroxide and sulfuric acid reaction in the industrial production, but due to being reacted in reactor
The charging control poor accuracy of material so that the material proportion in reactor is inaccurate, and then make it that reaction is unbalance, causes hydrogen-oxygen
Change aluminium or sulfuric acid does not react and larger surplus occurs completely, not only cause the waste of material, and reduce aluminium sulphate production
Efficiency, it is unfavorable for the large-scale industrial production of aluminum sulfate.
The content of the invention
To solve problems of the prior art, the invention provides a kind of thing for being capable of automatic and accurate control aluminum sulfate
Material proportioning, the complete aluminium sulphate production device and method of material reaction.Concrete technical scheme is as follows：
A kind of aluminium sulphate production equipment, including powder box, product pump, vapor can, reactor, the vapor can are connected by pipeline
The reactor, the reactor is interior to be provided with acidity-basicity sensor, and the reactor lower end connects filter, the filtering dress
The outlet end connection crystallizing pond put, the arrival end of the slag notch end connection feed back pump of the filter, the feed back pump
Arrival end also connects sulphuric acid tank, and the port of export of the feed back pump connects the reactor, and the crystallizing pond connects solid-liquid separator,
The solid-liquid separator lower end is respectively equipped with liquid outlet and discharging opening, and the liquid outlet of the solid-liquid separator connects institute by pipeline
Sulphuric acid tank is stated, the first magnetic valve is provided between the feed back pump and the filter, is set between the feed back pump and sulphuric acid tank
There is second solenoid valve, liquid pump and the 3rd magnetic valve are provided with back between the sulphuric acid tank and solid-liquid separator.
Preferably, it is provided with stirrer gear in the powder box.
Preferably, pressure gauge and thermometer are additionally provided with the reactor.
Preferably, the crystallizing pond side is also connected with air-introduced machine.
Preferably, the reactor side is provided with display controller, and the display controller includes processor and display screen,
The processor connects acidity-basicity sensor, product pump, feed back pump, the first magnetic valve, second solenoid valve and the 3rd electromagnetism
Valve.
Present invention also offers the method using the said equipment production aluminum sulfate, comprise the following steps：
（1）Start the aluminium hydroxide powder that product pump is extracted in powder box to enter in reactor, while open feed back pump and second
Magnetic valve, feed back pumping take sulfuric acid in sulphuric acid tank to enter in reactor, and aluminium hydroxide powder reacts with sulfuric acid mixing contact
Aluminum sulfate is generated, vapor can is passed through high steam and entered in reactor during the course of the reaction, accelerates reaction speed；
（2）The acid-base value in reactor is detected by acidity-basicity sensor in course of reaction in real time, and passes to display controller,
After acid-base value is stable after certain time is reacted, according to the acid-base value size in reactor, judges the remaining situation in material, enter
And addition aluminium hydroxide powder or sulfuric acid are controlled, to increase the reactivity of material, reduce material waste；
（3）There are still the material not yet reacted completely in the aluminum sulfate mixed liquor generated after the completion of reaction, now pass through filtering
Device carries out filtration treatment, obtains the complete aluminium hydroxide slag charge of unreacted after filtered device processing and still remains certain sulfuric acid
Aluminum sulfate solution, the complete aluminium hydroxide slag charge of unreacted is evacuated in reactor again by feed back pump is used as reaction mass；
Still remain to be passed through in the aluminum sulfate solution of certain sulfuric acid in crystallizing pond and carry out crystallisation by cooling acquisition aluminum sulfate crystal and mother liquor, then
It is passed into solid-liquid separator and collects mother liquor and aluminum sulfate separation, aluminum sulfate from discharging opening, mother liquor is then taken out by returning liquid pump
Take to sulphuric acid tank and be used to reconfigure sulfuric acid, used for reaction next time, avoid the waste of sulfuric acid.
Beneficial effects of the present invention are：Aluminium sulphate production equipment of the present invention, reaction is detected using acidity-basicity sensor in real time
Acid-base value situation in kettle, and according to the input quantity again of acid-base value situation control material, to reach preferably reaction balance, make anti-
It is not in larger residue to answer the sulfuric acid in kettle or aluminium hydroxide material, improves material reaction rate；Solution after the completion of reaction
First pass around filter to be handled, the complete aluminium hydroxide slag charge of isolated unreacted and the sulphur for still remaining certain sulfuric acid
Sour aluminum solutions, then extracted again in aluminium hydroxide slag charge to reactor by feed back pump and be used as reaction mass, improve hydrogen-oxygen
Change the utilization rate of aluminium, the aluminum sulfate solution for remaining certain sulfuric acid is separated into by mother liquor and sulfuric acid by crystallizing pond and solid-liquid separator
Aluminium, mother liquor then are used to reconfigure sulfuric acid, improve the utilization rate of sulfuric acid, avoid wave by returning liquid pump and extracting to sulphuric acid tank
Take.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
As shown in figure 1, the invention provides a kind of aluminium sulphate production equipment, including powder box 7, product pump 10, vapor can
8th, reactor 1, the vapor can 8 connect the reactor 1 by pipeline, acidity-basicity sensor 9 are provided with the reactor 1,
For detecting the soda acid situation in reactor in real time, and then judge the remaining situation of the sulfuric acid in reactor and aluminium hydroxide, institute
The lower end of reactor 1 connection filter 2 is stated, the outlet end of the filter 2 connects crystallizing pond 3, and crystallizing pond 3 is interior by cold
But cooling crystallization is realized in the circulation of gas, and the slag notch end of the filter 2 connects the arrival end of feed back pump 4, described
The arrival end of feed back pump 4 also connects sulphuric acid tank 6, and the port of export of the feed back pump 4 connects the reactor 1, and filter 2 will not have
There is the aluminium hydroxide slag charge reacted completely to filter out and be evacuated to again in reactor 1 by feed back pump 4 and carry out secondary response again, improve
The reactivity of aluminium hydroxide, crystallizing pond 3 connect solid-liquid separator 13, the lower end of solid-liquid separator 13 be respectively equipped with liquid outlet and
Discharging opening 15, the liquid outlet of the solid-liquid separator 13 connect the sulphuric acid tank 6, the feed back pump 4 and the mistake by pipeline
The first magnetic valve 12 is provided between filter device 2, second solenoid valve 11, the sulfuric acid are provided between the feed back pump 4 and sulphuric acid tank 6
The magnetic valve 14 of liquid pump 16 and the 3rd is provided with back between tank 6 and solid-liquid separator 13.
Stirrer gear is provided with the powder box 7, large-granular aluminium hydroxide can be crushed, be advantageous to improve aluminium hydroxide and
The contact area of sulfuric acid, and then improve reaction speed；Pressure gauge 17 and thermometer 18 are additionally provided with the reactor 1, in real time inspection
The pressure and temperature surveyed in reactor, to control the intake of the gases at high pressure of vapor can 8；The side of crystallizing pond 3 is also connected with
Air-introduced machine 5, the cooling gas circulation in crystallizing pond is realized, improves cooldown rate；The side of reactor 1 is provided with display controller
19, the display controller 19 includes processor and display screen, and the processor connects the acidity-basicity sensor 9, product pump
10th, feed back pump 4, the first magnetic valve 12, the magnetic valve 14 of second solenoid valve 11 and the 3rd.
Present invention production aluminum sulfate concretely comprises the following steps：
（1）Start the aluminium hydroxide powder that product pump 10 is extracted in powder box 7 to enter in reactor 1, while open the He of feed back pump 4
Second solenoid valve 11, feed back pump 4 extract sulfuric acid in sulphuric acid tank 6 and entered in reactor 1, and aluminium hydroxide powder contacts with sulfuric acid mixing
React generation aluminum sulfate, and vapor can 8 is passed through high steam and entered in reactor 1 during the course of the reaction, accelerates reaction speed；
（2）The acid-base value in reactor 1 is detected by acidity-basicity sensor 9 in course of reaction in real time, and passes to display control
Device 19, after acid-base value is stable after certain time is reacted, according to the acid-base value size in reactor, judge the remaining feelings in material
Condition, and then addition aluminium hydroxide powder or sulfuric acid are controlled, to increase the reactivity of material, reduce and waste；
（3）There are still the material not yet reacted completely in the aluminum sulfate mixed liquor generated after the completion of reaction, now pass through filtering
Device 2 carries out filtration treatment, and filtered device 2 obtains the complete aluminium hydroxide slag charge of unreacted after handling and still remains certain sulphur
The aluminum sulfate solution of acid, the complete aluminium hydroxide slag charge of unreacted is evacuated in reactor 1 again by feed back pump 4 is used as reactant
Material；Still remain to be passed through in the aluminum sulfate solution of certain sulfuric acid in crystallizing pond 3 and carry out crystallisation by cooling acquisition aluminum sulfate crystal and mother liquor,
Then it is passed into solid-liquid separator 13 and collects mother liquor and aluminum sulfate separation, aluminum sulfate from discharging opening, mother liquor is then by returning
Liquid pump 16, which is extracted to sulphuric acid tank 6, to be used to reconfigure sulfuric acid, is used for reaction next time, is avoided the waste of sulfuric acid.
Using the production method of above-mentioned aluminum sulfate, it ensure that material reaction balances, effectively reduce the material in reactor
Residue, while the recycling again of leftover materials is realized, the utilization rate of material is improved, avoids material waste.
Embodiments of the invention are described in detail above, but the content is only presently preferred embodiments of the present invention,
The practical range for limiting the present invention is not to be regarded as, all equivalent changes made according to the scope of the invention and improvement etc. all should
Still belong within covering scope of the present invention.
Claims (6)
- A kind of 1. aluminium sulphate production equipment, it is characterised in that including powder box, product pump, vapor can, reactor, the steam Tank connects the reactor by pipeline, and acidity-basicity sensor, the reactor lower end connection filtering are provided with the reactor Device, the outlet end connection crystallizing pond of the filter, the entrance of the slag notch end connection feed back pump of the filter End, the arrival end of the feed back pump also connect sulphuric acid tank, and the port of export of the feed back pump connects the reactor, the crystallizing pond Solid-liquid separator is connected, the solid-liquid separator lower end is respectively equipped with liquid outlet and discharging opening, and the solid-liquid separator goes out liquid Mouth connects the sulphuric acid tank by pipeline, and the first magnetic valve, the feed back are provided between the feed back pump and the filter Second solenoid valve is provided between pump and sulphuric acid tank, liquid pump and the 3rd electromagnetism are provided with back between the sulphuric acid tank and solid-liquid separator Valve.
- 2. a kind of aluminium sulphate production equipment according to claim 1, it is characterised in that stirring is provided with the powder box Tooth.
- 3. a kind of aluminium sulphate production equipment according to claim 1, it is characterised in that be additionally provided with pressure on the reactor Table and thermometer.
- 4. a kind of aluminium sulphate production equipment according to claim 1, it is characterised in that the crystallizing pond side is also connected with drawing Blower fan.
- 5. a kind of aluminium sulphate production equipment according to claim 1, it is characterised in that the reactor side is provided with display Controller, the display controller include processor and display screen, and the processor connects the acidity-basicity sensor, material Pump, feed back pump, the first magnetic valve, second solenoid valve and the 3rd magnetic valve.
- A kind of 6. aluminium sulphate production method, it is characterised in that comprise the following steps：（1）Start the aluminium hydroxide powder that product pump is extracted in powder box to enter in reactor, while open feed back pump and second Magnetic valve, feed back pumping take sulfuric acid in sulphuric acid tank to enter in reactor, and aluminium hydroxide powder reacts with sulfuric acid mixing contact Aluminum sulfate is generated, vapor can is passed through high steam and entered in reactor during the course of the reaction, accelerates reaction speed；（2）The acid-base value in reactor is detected by acidity-basicity sensor in course of reaction in real time, and passes to display controller, After acid-base value is stable after certain time is reacted, according to the acid-base value size in reactor, judges the remaining situation in material, enter And addition aluminium hydroxide powder or sulfuric acid are controlled, to increase the reactivity of material, reduce and waste；（3）There are still the material not yet reacted completely in the aluminum sulfate mixed liquor generated after the completion of reaction, now pass through filtering Device carries out filtration treatment, obtains the complete aluminium hydroxide slag charge of unreacted after filtered device processing and still remains certain sulfuric acid Aluminum sulfate solution, the complete aluminium hydroxide slag charge of unreacted is evacuated in reactor again by feed back pump is used as reaction mass； Still remain to be passed through in the aluminum sulfate solution of certain sulfuric acid in crystallizing pond and carry out crystallisation by cooling acquisition aluminum sulfate crystal and mother liquor, then It is passed into solid-liquid separator and collects mother liquor and aluminum sulfate separation, aluminum sulfate from discharging opening, mother liquor is then taken out by returning liquid pump Take to sulphuric acid tank and be used to reconfigure sulfuric acid, used for reaction next time, avoid the waste of sulfuric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710942797.0A CN107500327A (en) | 2017-10-11 | 2017-10-11 | A kind of aluminium sulphate production device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710942797.0A CN107500327A (en) | 2017-10-11 | 2017-10-11 | A kind of aluminium sulphate production device and method |
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| CN107500327A true CN107500327A (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710942797.0A Pending CN107500327A (en) | 2017-10-11 | 2017-10-11 | A kind of aluminium sulphate production device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615456A (en) * | 2019-10-09 | 2019-12-27 | 浙江工业大学 | Device and process for continuously producing aluminum sulfate octadecahydrate |
| CN111320195A (en) * | 2020-04-27 | 2020-06-23 | 浙江海翔净水科技有限公司 | Aluminum sulfate synthesis system and method for synthesizing aluminum sulfate by using same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4337228A (en) * | 1980-08-25 | 1982-06-29 | Alumax, Inc. | Process for the production of sulfates |
| CN103395810A (en) * | 2013-08-07 | 2013-11-20 | 张学忠 | Process for preparation of industrial aluminum sulfate by use of waste acid solution produced during production of expandable graphite |
| CN104649308A (en) * | 2015-03-11 | 2015-05-27 | 长岭炼化岳阳工程设计有限公司 | Device for synthesizing aluminum sulfate and method for synthesizing aluminum sulfate by using same |
| CN107117992A (en) * | 2017-06-12 | 2017-09-01 | 贵州诺威施生物工程有限公司 | Calcium chloride preparation system and calcium chloride preparation method |
-
2017
- 2017-10-11 CN CN201710942797.0A patent/CN107500327A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4337228A (en) * | 1980-08-25 | 1982-06-29 | Alumax, Inc. | Process for the production of sulfates |
| CN103395810A (en) * | 2013-08-07 | 2013-11-20 | 张学忠 | Process for preparation of industrial aluminum sulfate by use of waste acid solution produced during production of expandable graphite |
| CN104649308A (en) * | 2015-03-11 | 2015-05-27 | 长岭炼化岳阳工程设计有限公司 | Device for synthesizing aluminum sulfate and method for synthesizing aluminum sulfate by using same |
| CN107117992A (en) * | 2017-06-12 | 2017-09-01 | 贵州诺威施生物工程有限公司 | Calcium chloride preparation system and calcium chloride preparation method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615456A (en) * | 2019-10-09 | 2019-12-27 | 浙江工业大学 | Device and process for continuously producing aluminum sulfate octadecahydrate |
| CN110615456B (en) * | 2019-10-09 | 2022-06-03 | 浙江工业大学 | Device and process for continuously producing aluminum sulfate octadecahydrate |
| CN111320195A (en) * | 2020-04-27 | 2020-06-23 | 浙江海翔净水科技有限公司 | Aluminum sulfate synthesis system and method for synthesizing aluminum sulfate by using same |
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Application publication date: 20171222 |
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