CN105148803B - Feed degasification constant-current stabilizer and consersion unit - Google Patents
Feed degasification constant-current stabilizer and consersion unit Download PDFInfo
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- CN105148803B CN105148803B CN201510577401.8A CN201510577401A CN105148803B CN 105148803 B CN105148803 B CN 105148803B CN 201510577401 A CN201510577401 A CN 201510577401A CN 105148803 B CN105148803 B CN 105148803B
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- degassing tank
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Abstract
The invention provides one kind charging degasification constant-current stabilizer and consersion unit, wherein feed degasification constant-current stabilizer, including for the screw feeding device that raw material is imported into retort, the raw material discharge nozzle for transferring raw material, for the depassing unit to raw material degasification and the pump of driving raw material, depassing unit is installed on raw material discharge nozzle, and raw material flowed through and flowed into after depassing unit in screw feeding device;The discharge end of screw feeding device is connected with retort;Pump is set close to the feed end of raw material discharge nozzle.The charging degasification constant-current stabilizer that the present invention is provided is fed by using the component of screw-rod structure, it is to avoid pulsed is fed caused by conventional this body structure of pumping mechanism, is fluctuated so as to avoid material concentration in retort.So as to improve the properties of product.
Description
Technical field
The present invention relates to chemical field, especially, it is related to a kind of charging degasification constant-current stabilizer and consersion unit.
Background technology
Needing to be carried out continuously industrialization Chemical Manufacture, reaction raw materials solution need to be often continuously fed in retort after conveying more
Reacted.In order to which the purity or granularity that ensure product reach requirement, material concentration in reaction system need to be avoided any ripple occur
It is dynamic.For example in lithium ion battery positive and negative electrode materials process is prepared, in order to which the particle diameter for controlling resulting materials complies with normal state point
Cloth, improves the properties of material, must just avoid in course of reaction, material concentration is fluctuated.
Existing solution conveying multipurpose pump is carried out, such as centrifugal pump, membrane pump, measuring pump, gear pump, these devices due to
Construction problem itself, it is that the meeting being difficult to avoid that produces flow pulse to cause to convey liquid.So that into retort solution when it is many
When it is few, and then cause the concentration of material solution in reaction system in whole course of reaction also when it is high when it is low.So as to product
Particle diameter and purity etc. have undesirable effect.
The content of the invention
The present invention provides a kind of charging degasification constant-current stabilizer and consersion unit, is entered with solving material solution in the prior art
During reaction system, pulse flow is produced, low technical problem when high when causing material concentration in reaction system.
According to an aspect of the invention, there is provided a kind of charging degasification constant-current stabilizer, including for being led into retort
Enter the screw feeding device of raw material, it is the raw material discharge nozzle for transferring raw material, former for the depassing unit to raw material degasification and driving
The pump of material, depassing unit is installed on raw material discharge nozzle, and raw material flowed through and flowed into after depassing unit in screw feeding device;Screw feeding
The discharge end of device is connected with retort;Pump is set close to the feed end of raw material discharge nozzle.
Further, depassing unit includes degassing tank and the vacuum extractor for reducing degasification pressure inside the tank, vacuumizes
Device is connected with degassing tank;The discharge end of raw material discharge nozzle is connected with degassing tank, the discharging opening and screw feeding of degassing tank
The charging aperture of device is connected.
Further, also including delivery pipe and for improving the screw rod discharger of feed pressure value, screw rod discharger is installed
In on the discharging opening of degassing tank, the feed end of screw rod discharger is connected with the discharging opening of degassing tank, the discharging of screw rod discharger
Mouth is connected with one end of delivery pipe;The other end of delivery pipe is connected with the feed end of screw feeding device.
Further, also it is installed on degassing tank for detecting in degassing tank the liquid level gauge of liquid level and for detecting degassing tank
The blow pressure table of interior pressure value, blow pressure table and liquid level gauge are mounted on the top surface of degassing tank.
Further, also including the discharge pressure table for detecting delivery pipe discharge end overpressure, discharge pressure table
Detection probe is stretched into delivery pipe discharge end.
Further, the pressure value in blow pressure table is first pressure value, and the pressure value of discharge pressure table is the second pressure
Force value;Pressure value in retort is the 3rd pressure value, first pressure value<3rd pressure value<Second pressure value;Second pressure value
For malleation.
Further, also including the screw motor for adjusting screw rod feed appliance discharging speed, the power of screw motor is defeated
Go out end with screw feeding device to be connected.
Further, vacuum extractor includes vacuum tube and vavuum pump, and one end of vacuum tube is connected with degassing tank, another
End is connected with vavuum pump.
Further, provided with rotatably screw rod inside screw rod discharger, screw rod is in screw rod discharger charging aperture one end
End face is provided with drainage trough.
A kind of consersion unit, including the retort for reacting are additionally provided according to another aspect of the present invention, instead
The charging aperture of tank is answered to be connected with the discharging opening of above-mentioned charging degasification constant-current stabilizer.
The invention has the advantages that:
The charging degasification constant-current stabilizer that the present invention is provided is fed by using the component of screw-rod structure, it is to avoid conventional pumping
Pulsed is fed caused by this body structure of mechanism, is fluctuated so as to avoid material concentration in retort.So as to improve
The properties of product.
Fed in the consersion unit that the present invention is provided using above-mentioned charging degasification constant-current stabilizer so that enter in retort
Material concentration continues equilibrium, it is to avoid low when high during material concentration, so as to improve the properties of reaction product.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the charging degasification constant-current stabilizer use state schematic diagram of the preferred embodiment of the present invention.
Marginal data:
100th, head tank;110th, the first agitating device;200th, degassing tank;210th, liquid level gauge;220th, blow pressure table;230、
Screw rod discharger;300th, retort;310th, the second agitating device;320th, liquid outlet;410th, raw material discharge nozzle;420th, delivery pipe;
421st, discharge pressure table;422nd, screw motor;423rd, screw feeding device;430th, vacuum tube;431st, vavuum pump.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
If not specializing, the conventional meanses that technological means used is well known to those skilled in the art in embodiment.
Referring to Fig. 1, the present invention, which provides charging degasification constant-current stabilizer, to be included being used for the screw rod of the transferring raw material into retort 300
Feed appliance 423, the raw material discharge nozzle 410 for transferring raw material, for the depassing unit to raw material degasification and drive raw material pump,
Depassing unit is installed on raw material discharge nozzle 410, and raw material flowed through and flowed into after depassing unit in screw feeding device 423;Screw feeding
The discharge end of device 423 is connected with retort 300;Pump is set close to the feed end of raw material discharge nozzle 410., can be with by this setting
So that feed product is sent into retort 300 by screw feeding device 423, so as to avoid material concentration in retort 300
Fluctuation is produced, so as to improve the properties of products therefrom.
Depassing unit, depassing unit is used to that dissolved gas removing will to be fixed in solution, so as to reduce in solution shared by gas
Influence of the volume to inlet amount.The state that gas is often balanced with liquid gas exists in solution.No matter these gas sources are in anti-
Should or course of dissolution in, be also derived from air.These gases are very stable in the case that environmental pressure is constant in system
, solution will not be left easily.But when solution is flowed through with the pipeline turned round, because manifold pressure changes, cause
Gas therein can be separated out from solution.On the other hand, after the gas in solution enters in reaction system with solution, it can not join
With reaction, but the amount of charging is occupied, reduce inlet amount.So as to cause the error of inlet amount.And then have impact on product
Properties such as particle diameter and purity etc..Set after depassing unit, the gas in solution can be removed in advance, fed again afterwards, from
And avoid the feed error that liquor capacity shared by gas is caused.Depassing unit can be all kinds of conventional depassing units.
It is preferred that, the feed end of raw material discharge nozzle 410 is connected with the bottom surface of head tank 100.The discharging of raw material discharge nozzle 410
End is connected with degassing tank 200.Vacuum tube 430 for reducing pressure value in degassing tank 200.The bottom surface top discharge of degassing tank 200
Screw rod discharger 230 for improving solution pressure value is installed at mouthful.After solution enters in degassing tank 200, unlatching is arranged at
Pressure in degassing tank 200 is reduced to negative pressure by the grade device of vavuum pump 431 on vacuum tube 430.Liquid gas under one atmospheric pressure
Poised state system is after in subnormal ambient, and original dissolving gas in the solution can overflow because of supersaturation, so as to realize pair
The degasification of original solution.Reduce the material quantity error for entering reaction system.So as to improve the purity and particle size distribution of product.
The blow pressure table 220 for detecting pressure value in degassing tank 200 is also equipped with degassing tank 200 so that in degassing tank 200
Air pressure reaches negative pressure, is easy to control.
It is preferred that, the liquid level gauge 210 for detecting liquid level in degassing tank 200 is also equipped with degassing tank 200.Liquid level gauge 210
Obtained liquid level is detected, the signal control feed liquor of degassing tank 200 can be sent or go out liquid, continuous production is realized.
It is preferred that, the discharging of degassing tank 200 uses screw rod discharger 230.Screw rod discharger 230 is particularly suitable for use in in chamber
Discharged for the material of negative pressure, can guarantee that discharging is smoothed out, it is to avoid the appearance of discharging obstruction.Solution after discharging is by defeated
Pipe 420 is sent to enter in screw feeding device 423.Flowed into after screw feeding device 423 in retort 300.Optionally, charging degasification is steady
Stream device includes head tank 100, screw feeding device 423, one end and is connected with head tank 100, and the other end is to screw feeding device 423
The raw material discharge nozzle 410 of transferring raw material liquid and the screw motor 422 that extrusion power is provided screw feeding device 423.Raw material is in original
Stored or/and dissolved in batch can 100.The bottom of head tank 100 offers discharging opening.One end of raw material discharge nozzle 410 and original
The discharging opening of batch can 100 is connected.The pump of driving liquid flowing is additionally provided with raw material discharge nozzle 410.Driving of the material liquid in pump
Under, into screw feeding device 423.The discharge end of screw feeding device 423 is connected with retort 300.Screw motor 422 drives
Screw feeding device 423 will be uniformly pushed into solution therein into retort 300.Using screw feeding device 423 to molten
Liquid is transported, and is avoided that the pulse flow produced when the pump of mechanical structure is conveyed to solution, it is to avoid enter retort 300
In material concentration when it is high when it is low.The pulse that transfer tube used is produced on raw material discharge nozzle 410 can also be offset, reduce raw material dense
Influence of the degree change to reaction.So as to improve the purity of products obtained therefrom and the uniformity of particle diameter distribution.Be particularly suitable for use in production lithium
Ion positive and negative electrode battery material so that the particle diameter of resulting materials can realize normal distribution.Reaction in retort 300 can connect
It is continuous to carry out, without interrupting during the course of the reaction.Obviously head tank 100 herein can also be other apparatuss for feeding.Only needing can be to
The transferring raw material of raw material discharge nozzle 410.
It is preferred that, discharge pressure table 421 is additionally provided with delivery pipe 420, to detect the pressure value of flow velocity, it is ensured that screw feeding device
The fluid pressure of 423 front ends fills pipeline.
The first agitating device 110 can also be provided with head tank 100.To accelerate the dissolving of raw material or ensure the uniform of solution
Mixing.Improve production efficiency.The second agitating device 310 can be provided with retort 300, to promote reaction to carry out.Stirred when used
When mixing device for agitating paddle, motor used by driving agitating paddle is arranged on the top surface of retort 300.Can basis in retort 300
Need to open up multiple liquid outlets 320 of material on the bottom of tank body or side wall, so as to be conveniently accomplished discharging.It is preferred that in reaction
Start liquid outlet 320 on the bottom surface of tank 300, material discharging can be made thorough.
The pressure value read from blow pressure table 220 is first pressure value.The pressure read at discharge pressure table 421
It is worth for second pressure value, the pressure value in retort 300 is the 3rd pressure value.During preferably using, first pressure value<3rd
Pressure value<Second pressure value, and second pressure value need to be malleation.By this setting solution can be made smoothly to flow out degassing tank 200.Simultaneously
It for second pressure value, can be realized by the discharging speed of adjusting screw rod feed appliance 423, when pressure decreases, accelerate spiral shell
The discharging of bar feed appliance 423.When pressure rise, reduce the discharging speed of screw feeding device 423.So that each pressure value reaches
To above-mentioned requirements.The 3rd pressure value in retort 300 can be normal pressure or negative pressure.Using above-mentioned depassing unit, it can save
Cost, simply realizes the discharge to gas in solution, so as to improve the properties of products obtained therefrom.Lithium ion can especially be made
The particle diameter of positive and negative electrode powder body material is in normal distribution.So as to improve the electric property of gained battery material.
It is preferred that, it can set flowing of the valve to material to be controlled on each pipeline.It is preferred that agitating device used is
Agitating paddle, the need for meeting industrial mass production.
It is preferred that, at the charging of screw rod discharger 230, the bottom of degassing tank 200 is stretched into screw rod one end in screw rod discharger 230
In portion, its end face is provided with the drainage trough along screw rod end face radial direction insertion screw rod.Drainage trough will can be collected on screw rod end face
Solution is imported in screw rod discharger 230, and so as to be in degassing tank 200 under negative pressure state, more stable feed pressure is bigger
Delivery pipe 420 in.Can by the pressure communication at the pressure in the bigger delivery pipe 420 of pressure and the discharging of degassing tank 200, from
And make it that raw material is easier to flow into delivery pipe 420, it is to avoid there is pulse flow in delivery pipe 420.
Another aspect of the present invention additionally provides a kind of consersion unit, and the consersion unit includes the reaction for being used to react
Tank 300, the charging aperture of retort 300 is connected with the discharging opening of any of the above-described kind of charging degasification constant-current stabilizer.By using upper
Charging degasification constant-current stabilizer is stated to feed retort 300, thus it is low when high when avoiding material concentration in reaction system, so that
The properties of products therefrom are improved, be particularly suitable for use in processing such as lithium ion positive and negative electrode powder body material so that gained powder material
The particle diameter of material reaches normal distribution.Improve the electric property of gained battery material.
Another aspect of the present invention additionally provides a kind of pan feeding method of retort 300, comprises the following steps:
S1:Raw material is passed through in head tank 100 and is dissolved or is pre-processed.By vavuum pump 431 by degassing tank 200
Pressure is pumped into negative pressure.Open pump on the raw material discharge nozzle 410 that is connected with the discharging opening of head tank 100 by material liquid convey into
Enter in degassing tank 200.
S2:Material liquid is stored after a period of time in degassing tank 200, the gas evolution in material liquid, and by vavuum pump 431
Take away in time.The numerical value of discharge pressure table 421 is read simultaneously, is opened when the pressure value of its discharge pressure table 421 is less than setting value
Screw rod discharger 230 is opened, material liquid is discharged into delivery pipe 420.
S3:And delivered into by delivery pipe 420 in screw feeding device 423.It is former after being conveyed via screw feeding device 423
Feed liquid enters in retort 300.The rotating speed of screw feeding device 423 can be adjusted according to the requirement of charging rate.React
Product after can discharge from liquid outlet 320.
According to said method handled, can be prevented that the material flow entered in retort 300 is fluctuated.Improve product
Purity or particle diameter distribution uniformity.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (7)
1. one kind charging degasification constant-current stabilizer, it is characterised in that sent including the screw rod for importing raw material into retort (300)
Glassware (423), the raw material discharge nozzle (410) for conveying the raw material, for the depassing unit to the raw material degasification and drive
The pump of the raw material is moved, the depassing unit is installed on the raw material discharge nozzle (410), the raw material flows through the degasification dress
Postpone in the inflow screw feeding device (423);
The discharge end of the screw feeding device (423) is connected with the retort (300);
The pump is set close to the feed end of the raw material discharge nozzle (410);
The depassing unit includes degassing tank (200) and the vacuum extractor for reducing the degassing tank (200) interior pressure, institute
Vacuum extractor is stated with the degassing tank (200) to be connected;The discharge end of the raw material discharge nozzle (410) and the degassing tank
(200) it is connected, the discharging opening of the degassing tank (200) is connected with the charging aperture of the screw feeding device (423);
Also include delivery pipe (420) and the screw rod discharger (230) for improving the feed pressure value, the screw rod discharger
(230) on the discharging opening for being installed on the degassing tank (200), feed end and the degassing tank of the screw rod discharger (230)
(200) discharging opening is connected, and the discharging opening of the screw rod discharger (230) is connected with one end of the delivery pipe (420);
The other end of the delivery pipe (420) is connected with the feed end of the screw feeding device (423);
Provided with rotatably screw rod inside the screw rod discharger (230), the screw rod is fed in the screw rod discharger (230)
The end face of mouth one end is provided with drainage trough.
2. charging degasification constant-current stabilizer according to claim 1, it is characterised in that also installed on the degassing tank (200)
Have for detecting the liquid level gauge (210) of the degassing tank (200) interior liquid level and for detecting the degassing tank (200) interior pressure value
Blow pressure table (220), the blow pressure table (220) and the liquid level gauge (210) are mounted on the degassing tank (200)
Top surface on.
3. charging degasification constant-current stabilizer according to claim 2, it is characterised in that also including for detecting the delivery pipe
(420) the discharge pressure table (421) of discharge end overpressure, the detection probe of the discharge pressure table (421) stretches into described defeated
Send in pipe (420) discharge end.
4. charging degasification constant-current stabilizer according to claim 3, it is characterised in that in the blow pressure table (220)
Pressure value is first pressure value, and the pressure value of the discharge pressure table (421) is second pressure value;In the retort (300)
Pressure value be the 3rd pressure value, first pressure value<3rd pressure value<Second pressure value;The second pressure value is malleation.
5. charging degasification constant-current stabilizer according to claim 4, it is characterised in that also including being sent for adjusting the screw rod
The screw motor (422) of glassware (423) discharging speed, clutch end and the screw feeding of the screw motor (422)
Device (423) is connected.
6. charging degasification constant-current stabilizer according to claim 4, it is characterised in that the vacuum extractor includes vacuum tube
(430) and vavuum pump, one end of the vacuum tube (430) is connected with the degassing tank (200), the other end and the vavuum pump
It is connected.
7. a kind of consersion unit, it is characterised in that including the retort (300) for reacting, the retort (300)
Charging aperture is connected with the discharging opening of charging degasification constant-current stabilizer according to any one of claims 1 to 6.
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CN201510577401.8A CN105148803B (en) | 2015-09-11 | 2015-09-11 | Feed degasification constant-current stabilizer and consersion unit |
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CN201510577401.8A CN105148803B (en) | 2015-09-11 | 2015-09-11 | Feed degasification constant-current stabilizer and consersion unit |
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CN105148803B true CN105148803B (en) | 2017-07-11 |
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EP2055730B1 (en) * | 2007-10-29 | 2013-02-27 | Hitachi Plant Technologies, Ltd. | Polymer producing method and apparatus and polymer degassing method and apparatus |
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CN201940223U (en) * | 2010-11-26 | 2011-08-24 | 许静 | Reaction device for savory essence |
CN102530500A (en) * | 2012-02-09 | 2012-07-04 | 北京洋航科贸有限公司 | Vacuum screw-rod delivery pump |
CN202860495U (en) * | 2012-10-31 | 2013-04-10 | 广东科德化工实业有限公司 | Vacuum charging device |
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Effective date of registration: 20220527 Address after: 226000 103 Hexing Road, Nantong Economic and Technological Development Zone, Jiangsu Province Patentee after: NANTONG RESHINE NEW MATERIAL Co.,Ltd. Address before: 410100 Hunan province Changsha Tianhua economic and Technological Development Zone, Road No. 11 Patentee before: HUNAN XINGRUI NEW MATERIAL RESEARCH AND DEVELOPMENT Co.,Ltd. |