CN103508497A - Device for preparing spherical nickel hydroxide - Google Patents
Device for preparing spherical nickel hydroxide Download PDFInfo
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- CN103508497A CN103508497A CN201210209117.1A CN201210209117A CN103508497A CN 103508497 A CN103508497 A CN 103508497A CN 201210209117 A CN201210209117 A CN 201210209117A CN 103508497 A CN103508497 A CN 103508497A
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Abstract
The invention relates to a device for preparing spherical nickel hydroxide. The device comprises a reaction kettle; a stirring device is arranged on the reaction kettle; the reaction kettle is connected with a settling tank which can settle nickel hydroxide crystals and convey the nickel hydroxide crystals back to the reaction kettle. By improvement of equipment for preparing the spherical nickel hydroxide, various physical parameters of the crystals are improved by the equipment for the spherical nickel hydroxide, and thus the objective of improving the electrochemical performance of a positive electrode material is achieved, and the ever-growing demand of markets is met.
Description
Technical field
The present invention relates to the Preparation equipment of new forms of energy and novel material, relate in particular to a kind of ball-shape nickel hydroxide device of preparing.
Technical background
Current in ball-shape nickel hydroxide industry and academia, more for the research of nickel hydroxide electrode, and several for blank to preparing the research of equipment of ball-shape nickel hydroxide.At present, in preparing the field of ball-shape nickel hydroxide, the main conversion unit adopting is old-fashioned vertical jacket reactor.Although this device highly versatile, be also easy to manufacture, stirring efficiency is high, is suitable for the dissolving crystallized Fine Chemical of Denging.But the shortcoming of prior art is that stirring system exists layering undistinct, affects the developmental state of crystal, and there is stirring blind area and thermograde.The shortcoming of prior art is that stirring system exists layering undistinct, and the growth that affects lattice is controlled, thereby affects the chemical property of nickel-hydrogen secondary cell.
Summary of the invention
The present invention is the deficiency existing in order to overcome prior art, a kind of ball-shape nickel hydroxide device of preparing is provided, the present invention has improved the chemical property of ball-shape nickel hydroxide secondary, because ball-shape nickel hydroxide belongs to hexagonal, and the generation of its crystal and growing are roughly divided into three phases: nucleation period, vegetative period, maturation period.The improved advantage of the present invention has been to control nucleation and the speed of growth of crystal, extended the curing time of crystal and increased stirring region, be conducive to control defect that this lattice occurs in the crystallization of ball-shape nickel hydroxide and preparation process thereof, thereby improved the chemical property of crystal secondary cell.Along with the widespread use of ball-shape nickel hydroxide secondary cell in industry and life, meet the consumer group its chemical property has been proposed to requirements at the higher level.
The present invention solves it and exists the technical scheme that defect problem adopts to be: a kind of ball-shape nickel hydroxide device of preparing, comprise reactor, described reactor is provided with whipping appts, and reactor is connected with and can and be transmitted back to the slurry tank of reactor the sedimentation of ball-shape nickel hydroxide crystal.
As the further design to aforementioned techniques scheme: described whipping appts is provided with motor, the motor-driven stir shaft being placed on reactor and is located at the stirring rake structure of at least three layers on stir shaft.
As the further design to aforementioned techniques scheme: described stir shaft is provided with three layers of stirring rake structure, the superiors' whipped-up structure is provided with and orthogonal at least four blades of stir shaft, the angle that middle level whipped-up structure is provided with stir shaft is four blades of 30-70 degree, this blade length be reactor internal diameter 0.1 to 0.2 between; It is four blades of 30-65 degree that undermost whipped-up structure is provided with the angle of stir shaft.
As the further design to aforementioned techniques scheme: described the superiors' blade, this blade length is 0.1-0.2 of reactor internal diameter; Described middle level blade, this blade length is 0.1-0.22 of reactor internal diameter; Described orlop blade, this blade length is 0.1-0.25 of reactor internal diameter.
As the further design to aforementioned techniques scheme: the inwall of described reactor is provided with fixing baffle plate, and this baffle plate is uniformly distributed on reactor inwall circumference.
As the further design to aforementioned techniques scheme: described baffle plate is the trapezoidal flow apron of handstand with seam, the height of this baffle plate be reactor height 0.6 to 0.8 between, upper bottom side length be reactor internal diameter 0.1 to 0.3 between, the length of side of going to the bottom be reactor internal diameter 0.1 to 0.2 between, stitch wide for reactor internal diameter 0.02 to 0.1 between.
As the further design to aforementioned techniques scheme: the overall dimensions of described reactor is that the 2:1 of reactor aspect ratio is between 4.5:1.
As the further design to aforementioned techniques scheme: this reactor is provided with the W shape bottom of convex-concave shape, and the radian of this W shape bottom is between 0.8 to 1.5.
As the further design to aforementioned techniques scheme: the described reactor peripheral hardware pot chuck that responds, the thickness of interlayer between reactor and reactor chuck is 3cm-10cm, is provided with a heating tube element between this reactor and reactor chuck.
As the further design to aforementioned techniques scheme: described slurry tank is a ladder structure of right angle, and trapezoidal acute angle is between 40 degree to 70 degree.
As the further design to aforementioned techniques scheme: the top of described slurry tank is provided with and is connected logical connecting tube with reactor, and this connecting tube is provided with a dishful of valve; The bottom of described slurry tank is provided with the coupling device logical with reactor road, is provided with a material channel in this coupling device.
As the further design to aforementioned techniques scheme: the top of described slurry tank is respectively equipped with venting port and temperature detection mouth, and top one side of this auxiliary tank is provided with a water overflow mouth of pipe.
The improved advantage of the present invention is: the present invention has very important impact for preparing ball-shape nickel hydroxide in view of temperature and stirring efficiency, the present invention has controlled crystal nucleation and the speed of growth, curing time and stirring region have been extended, be conducive to control the crystallization of ball-shape nickel hydroxide and the generation that lattice produces defect thereof, improve the chemical property of nickel-hydrogen secondary cell.Compared with prior art, such design cost is low, because its simple structure is practical, and crystallization and the slaking of the solution ball-shape nickel hydroxide of novelty, optimized its physical parameter, improve the lattice imperfection of crystal and the on-state rate of proton, reduced specific surface area, be conducive to prepare high performance nickel-hydrogen secondary cell.Therefore, the present invention, according to client's demand and lifting preparation technology's requirement, has improved reactor and has made it to meet need of production.This practicality newly improves the Preparation equipment of ball-shape nickel hydroxide by type, make the equipment of ball-shape nickel hydroxide promote the every physical parameter of crystal, and then reaches the target of the chemical property that improves positive electrode material, meets the growing requirement in market.
Accompanying drawing explanation
Fig. 1 is a kind of diagrammatic cross-section of preparing ball-shape nickel hydroxide device of the embodiment of the present invention 1.
Embodiment
The described a kind of ball-shape nickel hydroxide device of preparing of the embodiment of the present invention, as shown in Figure 1, a kind of ball-shape nickel hydroxide device of preparing, comprises reactor 1, described reactor is provided with whipping appts 2, and reactor is connected with and can and be transmitted back to the slurry tank 3 of reactor the sedimentation of nickel hydroxide crystal.Described whipping appts is provided with motor 4, the motor-driven stir shaft 5 being placed on reactor and is located at the stirring rake structure of at least three layers on stir shaft.Described stir shaft is provided with three layers of stirring rake structure, the superiors' whipped-up structure is provided with and orthogonal at least four blades 17 of stir shaft, middle level whipped-up structure is provided with and the angle of stir shaft is four blades between 30 degree to 70 degree, this blade length be reactor internal diameter 0.1 to 0.2 between; Undermost whipped-up structure is provided with and the angle of stir shaft is four blades between 30 degree to 65 degree.Described the superiors' blade, this blade length be reactor internal diameter 0.1 to 0.2 between; Described middle level blade, this blade length be reactor internal diameter 0.1 to 0.22 between; Described orlop blade, this blade length be reactor internal diameter 0.1 to 0.25 between.The inwall of described reactor is provided with fixing baffle plate 7, and this baffle plate is uniformly distributed on reactor inwall circumference.Described baffle plate is the trapezoidal flow apron of handstand with seam, the height of this baffle plate be reactor height 0.6 to 0.8 between, upper bottom side length be reactor internal diameter 0.1 to 0.3 between, the length of side of going to the bottom be reactor internal diameter 0.1 to 0.2 between, stitch wide for reactor internal diameter 0.02 to 0.1 between.The overall dimensions of described reactor is that the 2:1 of reactor aspect ratio is between 4.5:1.This reactor is provided with the W shape bottom 8 of convex-concave shape, and the radian of this W shape bottom is between 0.8 to 1.5.The described reactor peripheral hardware pot chuck 9 that responds, the thickness of interlayer between reactor and reactor chuck is 3cm-10cm, is provided with a heating tube element 6 between this reactor and reactor chuck.Described slurry tank is a ladder structure of right angle, and trapezoidal acute angle is between 40 degree to 70 degree.The top of described slurry tank is provided with and is connected logical connecting tube 10 with reactor, and this connecting tube is provided with a dishful of valve 11; The bottom of described slurry tank is provided with the coupling device 12 logical with reactor road, is provided with a material channel 13 in this coupling device.The top of described slurry tank is respectively equipped with venting port 14 and temperature detection mouth 15, and top one side of this auxiliary tank is provided with a water overflow mouth of pipe 16.
This kind of ball-shape nickel hydroxide device of preparing, main body is a chuck vertical response still, main body is comprised of reactor identical reaction kettle chuck, this reactor adopts heating in water bath or built-in heating arrangement, built-in 6 fast baffle plates, this baffle plate is flow apron, and uniform welding, on reactor inwall, is conducive to the back-mixing of ball-shape nickel hydroxide fluid when reactor carries out operation; The Polycondensation Reactor and Esterification Reactor of W shape convex-concave shape bottom, can increase the heat interchanging area of material, improves heat exchange efficiency, both can prevent channel, can cushion again the vibration of bottom paddle wheel; Built-in three layers of agitating vane ，Qi lower floor impeller are pusher, and the motion ，Qi middle level impeller that can strengthen axial flow of fluid is hinging type, and major function is that balanced radial stream and the flow pattern of axial flow and the mixing of this both direction are measured; Its upper strata impeller is Ping Yeshi, the motion of key operation radial fluid.This agitating vane ceaselessly turn round transport fluid into adjacency inclined end face slurry tank is housed, utilize the kinetic transformation of fluid to become the principle of potential energy, ball-shape nickel hydroxide crystal is settled down, along inclined-plane, be back to reactor, participate in reaction, crystallization, the level after clarification the overflow spout unit for treating water that flows away again.The present invention, through little trial production, pilot scale and production greatly, meets need of production completely.
The above, be only preferred embodiment of the present invention, not technology contents of the present invention done to any pro forma restriction.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical scheme of the present invention.
Claims (10)
1. prepare a ball-shape nickel hydroxide device, comprise reactor (1), it is characterized in that: described reactor is provided with whipping appts (2), reactor is connected with and can and be transmitted back to the slurry tank (3) of reactor the sedimentation of nickel hydroxide crystal.
2. a kind of ball-shape nickel hydroxide device of preparing according to claim 1, is characterized in that: described whipping appts is provided with the motor (4) being placed on reactor, motor-driven stir shaft (5) and is located at the stirring rake structure of at least three layers on stir shaft.
3. a kind of ball-shape nickel hydroxide device of preparing according to claim 2, it is characterized in that: described stir shaft is provided with three layers of stirring rake structure, the superiors' whipped-up structure is provided with and orthogonal at least four blades of stir shaft (17), middle level whipped-up structure is provided with and the angle of stir shaft is four blades between 30 degree to 70 degree, this blade length be reactor internal diameter 0.1 to 0.2 between; Undermost whipped-up structure is provided with and the angle of stir shaft is four blades between 30 degree to 65 degree.
4. a kind of ball-shape nickel hydroxide device of preparing according to claim 3, is characterized in that: described the superiors' blade, this blade length be reactor internal diameter 0.1 to 0.2 between; Described middle level blade, this blade length be reactor internal diameter 0.1 to 0.22 between; Described orlop blade, this blade length be reactor internal diameter 0.1 to 0.25 between.
5. a kind of ball-shape nickel hydroxide device of preparing according to claim 1, is characterized in that: the inwall of described reactor is provided with fixing baffle plate (7), and this baffle plate is uniformly distributed on reactor inwall circumference.
6. a kind of ball-shape nickel hydroxide device of preparing according to claim 4, it is characterized in that: described baffle plate is the trapezoidal flow apron of handstand with seam, the height of this baffle plate be reactor height 0.6 to 0.8 between, upper bottom side length be reactor internal diameter 0.1 to 0.3 between, the length of side of going to the bottom be reactor internal diameter 0.1 to 0.2 between, stitch wide for reactor internal diameter 0.02 to 0.1 between.
7. a kind of ball-shape nickel hydroxide device of preparing according to claim 1, is characterized in that: the overall dimensions of described reactor is that the 2:1 of reactor aspect ratio is between 4.5:1; This reactor is provided with the W shape bottom (8) of convex-concave shape, and the radian of this W shape bottom is between 0.8 to 1.5.
8. a kind of ball-shape nickel hydroxide device of preparing according to claim 1, it is characterized in that: the described reactor peripheral hardware pot chuck (9) that responds, thickness of interlayer between reactor and reactor chuck is 3cm-10cm, is provided with a heating tube element (6) between this reactor and reactor chuck.
9. a kind of ball-shape nickel hydroxide device of preparing according to claim 1, is characterized in that: described slurry tank is a ladder structure of right angle, and trapezoidal acute angle is between 40 degree to 70 degree; The top of described slurry tank is provided with and is connected logical connecting tube (10) with reactor, and this connecting tube is provided with a dishful of valve (11); The bottom of described slurry tank is provided with the coupling device logical with reactor road (12), is provided with a material channel (13) in this coupling device.
10. according to a kind of ball-shape nickel hydroxide device of preparing described in claim 1 or 9, it is characterized in that: the top of described slurry tank is respectively equipped with venting port (14) and temperature detection mouth (15), top one side of this auxiliary tank is provided with a water overflow mouth of pipe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210209117.1A CN103508497A (en) | 2012-06-25 | 2012-06-25 | Device for preparing spherical nickel hydroxide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210209117.1A CN103508497A (en) | 2012-06-25 | 2012-06-25 | Device for preparing spherical nickel hydroxide |
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| CN103508497A true CN103508497A (en) | 2014-01-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983383A (en) * | 2015-02-15 | 2016-10-05 | 江苏海四达电源股份有限公司 | Apparatus for preparing lithium ion battery positive electrode material lithium nickel cobalt manganese oxide precursor |
| CN112808208A (en) * | 2020-12-29 | 2021-05-18 | 福建常青新能源科技有限公司 | Improved reaction kettle for synthesizing high nickel-based NCA ternary material precursor |
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| CN1456512A (en) * | 2002-05-09 | 2003-11-19 | 胡宝钢 | Nanometer geode-type nickelous hydroxide producing method and apparatus thereof for MH-Ni cells as power |
| CN2836911Y (en) * | 2005-11-02 | 2006-11-15 | 长沙力元新材料股份有限公司 | A kind of equipment that is used to prepare spherical shot-like particle |
| DE102007039471A1 (en) * | 2007-08-21 | 2009-02-26 | H.C. Starck Gmbh | Powdered compounds, process for their preparation and their use in lithium secondary batteries |
| CN101415474A (en) * | 2006-03-31 | 2009-04-22 | H.C.施塔克有限公司 | Device and method for the production of compounds by precipitation |
| CN202151557U (en) * | 2011-07-18 | 2012-02-29 | 淄博正大聚氨酯有限公司 | Polyether settling circulation stirring system |
| CN202191908U (en) * | 2011-08-24 | 2012-04-18 | 安徽亚兰德新能源材料有限公司 | Special reactor for ternary material precursors |
| CN202741118U (en) * | 2012-06-25 | 2013-02-20 | 江门市长优实业有限公司 | Device for preparing spherical nickel hydroxide |
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2012
- 2012-06-25 CN CN201210209117.1A patent/CN103508497A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1456512A (en) * | 2002-05-09 | 2003-11-19 | 胡宝钢 | Nanometer geode-type nickelous hydroxide producing method and apparatus thereof for MH-Ni cells as power |
| CN2836911Y (en) * | 2005-11-02 | 2006-11-15 | 长沙力元新材料股份有限公司 | A kind of equipment that is used to prepare spherical shot-like particle |
| CN101415474A (en) * | 2006-03-31 | 2009-04-22 | H.C.施塔克有限公司 | Device and method for the production of compounds by precipitation |
| US20110300470A1 (en) * | 2006-03-31 | 2011-12-08 | H.C. Starck Gmbh | Device and method for the production of compounds by precipitation |
| DE102007039471A1 (en) * | 2007-08-21 | 2009-02-26 | H.C. Starck Gmbh | Powdered compounds, process for their preparation and their use in lithium secondary batteries |
| CN202151557U (en) * | 2011-07-18 | 2012-02-29 | 淄博正大聚氨酯有限公司 | Polyether settling circulation stirring system |
| CN202191908U (en) * | 2011-08-24 | 2012-04-18 | 安徽亚兰德新能源材料有限公司 | Special reactor for ternary material precursors |
| CN202741118U (en) * | 2012-06-25 | 2013-02-20 | 江门市长优实业有限公司 | Device for preparing spherical nickel hydroxide |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983383A (en) * | 2015-02-15 | 2016-10-05 | 江苏海四达电源股份有限公司 | Apparatus for preparing lithium ion battery positive electrode material lithium nickel cobalt manganese oxide precursor |
| CN112808208A (en) * | 2020-12-29 | 2021-05-18 | 福建常青新能源科技有限公司 | Improved reaction kettle for synthesizing high nickel-based NCA ternary material precursor |
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Application publication date: 20140115 |