CN106395884A - Preparation system of superfine zinc oxide and application method thereof - Google Patents
Preparation system of superfine zinc oxide and application method thereof Download PDFInfo
- Publication number
- CN106395884A CN106395884A CN201610982542.2A CN201610982542A CN106395884A CN 106395884 A CN106395884 A CN 106395884A CN 201610982542 A CN201610982542 A CN 201610982542A CN 106395884 A CN106395884 A CN 106395884A
- Authority
- CN
- China
- Prior art keywords
- container
- conduit
- carbon dioxide
- ammonia
- disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
Abstract
The invention relates to a preparation system of superfine zinc oxide and an application method thereof. The system comprises a container enabling a continuous chemical precipitation reaction, a four-way pipe fitting, a carbon dioxide conduit, an ammonia conduit, a mixed gas conduit, a ventilation disk, an air compressor, an exhaust conduit, a selective permeation membrane, an external dehumidifier, a charging hole and the like; and superfine zinc oxide can be prepared continuously and stably, wherein the particle size is uniform, and the average particle size reaches nanoscale.
Description
Technical field
The present invention relates to a kind of system preparing zinc oxide and its using method, more particularly to one kind prepare ultra-fine oxidation
The system of zinc and its using method..
Background technology
Nano zine oxide is a kind of white powder, is a kind of new high function fine inorganic material, has fabulous resisting
Oxidation and resistance to corrosion, good mechanical-electric coupling and the feature of environmental protection.Nano zine oxide is in crowds such as photoelectric device, chemical industry, medicine
Many-side has a wide range of applications.
Nano zine oxide has a variety of preparation methods, according to soup is quick, Fu Min, Hu Zeshan et al. exist《Prepared by nano zine oxide
Advances in Methods》Summary in (Industrial and Commercial University Of Chongqing's journal volume 25 third phase, in June, 2008), prepares nano oxygen
Changing zinc mainly has chemical precipitation method, sol-gel process, microemulsion method, hydrothermal synthesis method etc..Wherein, chemical precipitation method is divided into directly
Connect the precipitation method and sluggish precipitation two class, sluggish precipitation is to make the configurational ion in solution by slow in solution using chemical reaction
Slowly equably discharge, theoretically, sluggish precipitation prepares nano zine oxide, the crystal grain of generation better than direct precipitation method
Granularity is more uniform.But for preparation efficiency, operation easier, equipment control difficulty, direct precipitation method is better than homogeneous precipitation
Method.
Content of the invention
It is an object of the invention to provide a kind of technique, equipment are simple, be provided simultaneously with direct precipitation method odds for effectiveness and
The method of the Task-size Controlling advantage of sluggish precipitation.
For this reason, the invention provides a kind of system preparing super fine zinc oxide, including：
Container (1), it is the device that can be carried out continuously chemical precipitation reaction；
Four-way pipe fitting (2), its upper end connects carbon dioxide conduit (3), ammonia conduit (4) and mixed gas conduit (5), its
Lower end is provided with disk (6), and disk lower end is provided with multiple tiny holes (7)；
Air compressor machine (8), it blasts compression carbon dioxide by carbon dioxide conduit (3) into disk (6)；
Air compressor machine (9), it blasts compression ammonia by ammonia conduit (4) into disk (6)；
Air compressor machine (10), it blasts compressed mixed gas by mixed gas conduit (5) into disk (6)；
Outer exhaust manifolds (11), it is coated with selectively passing through film (12) with the junction of container (1), and exhaust manifolds are discharged
Gas pass through outside dehydrating unit (13) after be transported to air compressor machine (10)；
Charge door (14), it is located at the upper end of container (1)；
Disk (6) is placed in the lower section of liquid level of solution (15)；
Preferably, selective is a kind of film that can only can not pass through liquid through gas through film (12), it is highly preferred that choosing
Selecting property is GORE-TEX film through film.
Meanwhile, present invention also offers a kind of method preparing super fine zinc oxide using said system, comprise the steps：
In container (1), injection contains Zn2+The solution of ion；
Blast compression carbon dioxide using air compressor machine (8) and carbon dioxide conduit (3) into disk (6), using air compressor machine
(9) and ammonia conduit (4) blasts compression ammonia into disk (6), the carbon dioxide blasting in the unit interval and ammonia mole
Ratio 1:1～1.2:1；
A part of carbon dioxide and ammonia occur chemical reaction to enter solution system；
Another part carbon dioxide and ammonia composition mixed gas achieve the first step by selectively passing through film (12)
Eliminating water, then second step eliminating water is achieved by the outside dehydrating unit (13) of outer exhaust manifolds (11) entrance, then through air compressor machine
(10), after being pressurized, disk (6) is entered by mixed gas conduit (5)；
During persistently blasting gas, in container (1), equably generate super fine zinc oxide precipitation；
Zn is supplemented in container (1) by charge door (14)2+Ion；
The sediment generating in container (1) is carried out washing, filters, calcines, that is, super fine zinc oxide is obtained.
Preferably, equipped with activated carbon in outside dehydrating unit (13)；
Preferably, containing Zn2+The solution of ion is solution of zinc sulfate, zinc nitrate solution or its mixture；
Preferably, Zn in container (1)2+Concentration >=the 16g/L of ion；
Preferably, zinc sulfate solid, zinc nitrate solid or its mixture are supplemented in container (1) by charge door (14).
Preferably, Zn in container (1)2+The concentration of ion reaches saturation.
The principle of the present invention：
Control the flow of carbon dioxide and ammonia so as to in-time generatin ammonium hydrogen carbonate within the system, have not enough time to react
Carbon dioxide and ammonia amount discharge container (1) after carry out dehumidifying, be pressurized after continue return system；
Zn in the ammonium hydrogen carbonate of in-time generatin and solution2+Ion reacts, and generates basic zinc carbonate, basic zinc carbonate
Scrubbed, filter, calcining after obtain super fine zinc oxide；
As the presoma of super fine zinc oxide, the size of basic zinc carbonate granularity, uniformity directly determine ultra-fine oxidation
The granule size of zinc powder body, uniformity.
The technical advantage of the present invention：
1st, reaction reagent is cheap and easily-available, low using equipment cost, simple to operate.
2nd, it is provided simultaneously with the odds for effectiveness of direct precipitation method and the Task-size Controlling advantage of sluggish precipitation, that is,：Carbon dioxide
With ammonia react in-time generatin ammonium hydrogen carbonate, ammonium hydrogen carbonate immediately with Zn2+Ion reacts, and meanwhile, is limited to conversion zone
(including the minuscule hole of setting under disk and disk) and chemical reaction rate, the reaction of carbon dioxide and ammonia is uniform, speed stabilizing
Carry out, therefore equably discharge ammonium root example and bicarbonate radical example it is ensured that the structure crystalline substance process of basic zinc carbonate also uniformly,
Speed stabilizing is carried out, make basic zinc carbonate maintain uniformly, Ultra-fine, and the super fine zinc oxide of follow-up calcination process preparation also can be lost
Pass uniform, the Ultra-fine of basic zinc carbonate.
3rd, selectively pass through the use of film (12), limit carbon dioxide and ammonia disappearing in outer exhaust manifolds (11)
Consumption, that is, carbon dioxide and ammonia will not react in water-less environment；
4th, selectively pass through being used in combination of film (12) and dehydrating unit (13), limit carbon dioxide and ammonia whole
Consumption during collection, has ensured and has not mixed impurity in removal process, saved the consumption of carbon dioxide and ammonia simultaneously.
Brief description
Fig. 1 is the structural representation of the system that the present invention prepares super fine zinc oxide.
Specific embodiment
Embodiment 1：
At room temperature, the injection zinc nitrate solution in container (1)；
Blast compression carbon dioxide using air compressor machine (8) and carbon dioxide conduit (3) into disk (6), using air compressor machine
(9) and ammonia conduit (4) blasts compression ammonia into disk (6), the carbon dioxide blasting in the unit interval and ammonia mole
Ratio 1.2:1；
A part of carbon dioxide and ammonia occur chemical reaction to enter solution system；
Another part carbon dioxide and ammonia composition mixed gas achieve the first step by selectively passing through film (12)
Eliminating water, then second step eliminating water is achieved by the outside dehydrating unit (13) of outer exhaust manifolds (11) entrance, then through air compressor machine
(10), after being pressurized, disk (6) is entered by mixed gas conduit (5)；
During persistently blasting gas, in container (1), equably generate super fine zinc oxide precipitation；
Zinc nitrate solid is supplemented in container (1) by charge door (14)；
The sediment generating in container (1) is carried out washing, filters, calcines, that is, it is the ultra-fine of 13nm that average grain diameter is obtained
Zinc oxide.
Embodiment 2：
At room temperature, the injection saturation zinc nitrate solution in container (1)；
Blast compression carbon dioxide using air compressor machine (8) and carbon dioxide conduit (3) into disk (6), using air compressor machine
(9) and ammonia conduit (4) blasts compression ammonia into disk (6), the carbon dioxide blasting in the unit interval and ammonia mole
Ratio 1.1:1；
A part of carbon dioxide and ammonia occur chemical reaction to enter solution system；
Another part carbon dioxide and ammonia composition mixed gas achieve the first step by selectively passing through film (12)
Eliminating water, then second step eliminating water is achieved by the outside dehydrating unit (13) of outer exhaust manifolds (11) entrance, then through air compressor machine
(10), after being pressurized, disk (6) is entered by mixed gas conduit (5)；
During persistently blasting gas, in container (1), equably generate super fine zinc oxide precipitation；
Zinc nitrate solid is supplemented in container (1) by charge door (14), makes zinc nitrate solution maintain saturation state；
The sediment generating in container (1) is carried out washing, filters, calcines, that is, it is the ultra-fine of 11nm that average grain diameter is obtained
Zinc oxide.
Claims (6)
1. a kind of system preparing super fine zinc oxide is it is characterised in that this system includes：
Container (1), it is the device that can be carried out continuously chemical precipitation reaction；
Four-way pipe fitting (2), its upper end connects carbon dioxide conduit (3), ammonia conduit (4) and mixed gas conduit (5), its lower end
It is provided with disk (6), disk lower end is provided with multiple tiny holes (7)；
Air compressor machine (8), it blasts compression carbon dioxide by carbon dioxide conduit (3) into disk (6)；
Air compressor machine (9), it blasts compression ammonia by ammonia conduit (4) into disk (6)；
Air compressor machine (10), it blasts compressed mixed gas by mixed gas conduit (5) into disk (6)；
Outer exhaust manifolds (11), it is coated with selectively passing through film (12) with the junction of container (1), the gas that exhaust manifolds are discharged
Body is transported to air compressor machine (10) after passing through outside dehydrating unit (13)；
Charge door (14), it is located at the upper end of container (1)；
Disk (6) is placed in the lower section of liquid level of solution (15).
2. the system preparing super fine zinc oxide according to claim 1 it is characterised in that：Described selectivity passes through film (12)
It is a kind of film that can only can not pass through liquid through gas.
3. selectivity according to claim 2 pass through film it is characterised in that：Selective is GORE-TEX film through film.
4. a kind of usage right requires the system described in 1 to prepare the method for super fine zinc oxide it is characterised in that including following walking
Suddenly：
In container (1), injection contains Zn2+The solution of ion；
Blast compression carbon dioxide using air compressor machine (8) and carbon dioxide conduit (3) into disk (6), using air compressor machine (9) and
Ammonia conduit (4) blasts compression ammonia into disk (6), the mol ratio 1 of the carbon dioxide blasting in the unit interval and ammonia:1
～1.2:1；
A part of carbon dioxide and ammonia occur chemical reaction to enter solution system；
Another part carbon dioxide and ammonia composition mixed gas achieve first step eliminating water by selectively passing through film (12),
Enter outside dehydrating unit (13) by outer exhaust manifolds (11) again and achieve second step eliminating water, then through air compressor machine (10) supercharging
Afterwards, disk (6) is entered by mixed gas conduit (5)；
During persistently blasting gas, in container (1), equably generate super fine zinc oxide precipitation；
Zn is supplemented in container (1) by charge door (14)2+Ion；
The sediment generating in container (1) is carried out washing, filters, calcines, that is, super fine zinc oxide is obtained.
5. the method preparing super fine zinc oxide according to claim 4 it is characterised in that：
Equipped with activated carbon in outside dehydrating unit (13)；
Described containing Zn2+The solution of ion is solution of zinc sulfate, zinc nitrate solution or its mixture；
Zn in container (1)2+Concentration >=the 16g/L of ion；
Zinc sulfate solid, zinc nitrate solid or its mixture are supplemented in container (1) by charge door (14).
6. the method preparing super fine zinc oxide according to claim 4 or claim 5 it is characterised in that：
Zn in container (1)2+The concentration of ion reaches saturation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610982542.2A CN106395884B (en) | 2016-11-09 | 2016-11-09 | A kind of system and its application method preparing super fine zinc oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610982542.2A CN106395884B (en) | 2016-11-09 | 2016-11-09 | A kind of system and its application method preparing super fine zinc oxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106395884A true CN106395884A (en) | 2017-02-15 |
| CN106395884B CN106395884B (en) | 2018-07-13 |
Family
ID=58015579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610982542.2A Active CN106395884B (en) | 2016-11-09 | 2016-11-09 | A kind of system and its application method preparing super fine zinc oxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106395884B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121046A (en) * | 1995-02-28 | 1996-04-24 | 张振逵 | Process and equipment for preparation of superfine zinc oxide |
| CN1358666A (en) * | 2001-10-26 | 2002-07-17 | 骆天荣 | Process and equipment for preparing basic carbonate nano granule by ammonia complex liquid tower distilling ammonia crystalling |
| CN101643236A (en) * | 2009-09-11 | 2010-02-10 | 赵月华 | Production of zinc oxide by ammonia water circulation method |
| CN102815775A (en) * | 2012-07-24 | 2012-12-12 | 浙江省天正设计工程有限公司 | Treating process and equipment for high concentration magnesium salt waste water |
| CN103241751A (en) * | 2013-04-27 | 2013-08-14 | 陕西师范大学 | Preparation method for high-purity magnesium oxide |
| CN103754915A (en) * | 2013-12-13 | 2014-04-30 | 绵阳市远达新材料有限公司 | Preparation method of strontium carbonate |
-
2016
- 2016-11-09 CN CN201610982542.2A patent/CN106395884B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121046A (en) * | 1995-02-28 | 1996-04-24 | 张振逵 | Process and equipment for preparation of superfine zinc oxide |
| CN1358666A (en) * | 2001-10-26 | 2002-07-17 | 骆天荣 | Process and equipment for preparing basic carbonate nano granule by ammonia complex liquid tower distilling ammonia crystalling |
| CN101643236A (en) * | 2009-09-11 | 2010-02-10 | 赵月华 | Production of zinc oxide by ammonia water circulation method |
| CN102815775A (en) * | 2012-07-24 | 2012-12-12 | 浙江省天正设计工程有限公司 | Treating process and equipment for high concentration magnesium salt waste water |
| CN103241751A (en) * | 2013-04-27 | 2013-08-14 | 陕西师范大学 | Preparation method for high-purity magnesium oxide |
| CN103754915A (en) * | 2013-12-13 | 2014-04-30 | 绵阳市远达新材料有限公司 | Preparation method of strontium carbonate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106395884B (en) | 2018-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Lu et al. | Preparation of nano-CaCO3 from phosphogypsum by gas–liquid–solid reaction for CO2 sorption | |
| JP2012504190A (en) | Lithium recovery device using separation membrane reservoir, lithium recovery method using the same, and lithium adsorption / desorption system using the same | |
| CN107055609B (en) | A kind of preparation method of ultra-pure 3Y yttrium stable zirconium oxides | |
| CN110368894B (en) | Efficient fluorine removal agent for removing fluorine ions in wastewater and preparation method thereof | |
| CN103752323A (en) | Preparation method for denitrified catalyst with nanometer multi-wall spherical spinel structure | |
| CN107774114A (en) | A kind of method that carbon dioxide is trapped using decomposing ardealite slag | |
| CN114931853B (en) | Trapping CO in cement kiln flue gas 2 Method for synergistically preparing low-carbon cement and obtained product | |
| CN108609999A (en) | A kind of tourmaline slurry of stabilization and preparation method thereof | |
| CN105646940A (en) | Method for coating surface of potassium titanate whisker with nanometer calcium carbonate | |
| CN109174102A (en) | A kind of preparation method of fold nanometer rGO composite material and the preparation method of fold nano-metal-oxide | |
| CN105233833B (en) | Magnetic rare earth barium ferrite nanometer cleaning catalyst and preparation method and application | |
| CN103861446B (en) | Flue gas CO2With ardealite serous coat three-phase fluidization mineralization methods | |
| CN105498732A (en) | Magnetic nano-imprinted compound adsorbent as well as preparation method and application thereof | |
| CN105344214A (en) | Liquid-state catalyst flue gas purification integration system and liquid-state catalyst flue gas purification integration process | |
| CN106395884A (en) | Preparation system of superfine zinc oxide and application method thereof | |
| CN206266241U (en) | A kind of system for preparing super fine zinc oxide | |
| TWI660770B (en) | Device and treatment method for carbon dioxide capture and utilization | |
| CN101274190A (en) | Adsorbing agent for removing mercury using sulfidizing iron oxide and method for producing the same | |
| CN111137910A (en) | Method for preparing high-purity superfine magnesium hydroxide flame retardant by chemical method | |
| CN105316480B (en) | Reduce the adding method and device for the inhibitor that dioxin is generated in sintering process | |
| CN107159225A (en) | It is a kind of that there is visible light-responded Co0.8Ni0.2Ta2O6Photochemical catalyst and preparation method and application | |
| CN102744038B (en) | A kind of high-efficiency multiple activity containing magnesium salts stores up ammonia active mixture and preparation | |
| CN104211122B (en) | With the decomposition precipitation circulation technology of preparing manganous-manganic oxide by manganese sulphate solution | |
| CN102515601B (en) | Method and apparatus for modifying pozzolanic activity of mineral material | |
| CN114028941A (en) | Flue gas desulfurization catalyst configuration and desulfurization system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200320 Address after: 225700 baokuan Road, Daduo Town, Xinghua City, Taizhou City, Jiangsu Province Patentee after: Xinghua Qingfeng Zinc Products Co., Ltd Address before: 330096 Jiangxi high tech Industrial Development Zone, Nanchang Province, Nanchang University, science and Technology Park,, No. 589 high tech building, room No. 1, room 223 Patentee before: NANCHANG ZHUANTENG TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |