CN105148803A - Feeding degassing and flowing stabilizing device and reaction device - Google Patents
Feeding degassing and flowing stabilizing device and reaction device Download PDFInfo
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- CN105148803A CN105148803A CN201510577401.8A CN201510577401A CN105148803A CN 105148803 A CN105148803 A CN 105148803A CN 201510577401 A CN201510577401 A CN 201510577401A CN 105148803 A CN105148803 A CN 105148803A
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Abstract
The invention provides a feeding degassing and flowing stabilizing device and a reaction device. The feeding degassing and flowing stabilizing device comprises a screw rod feeder for guiding raw materials into a reaction tank, a raw material discharging pipe for conveying the raw materials, a degassing device for degassing the raw materials, and a pump for driving the raw materials; the degassing device is arranged on the raw material discharging pipe; the raw materials flow into the screw rod feeder after passing the degassing device; the material discharging end of the screw rod feeder is communicated with the reaction tank; the pump is arranged close to the material inlet end of the raw material discharging pipe. The feeding degassing and flowing stabilizing device disclosed by the invention can be used for feeding by adopting a screw rod structure type member, so that the pulse type feeding caused by the self structure of a conventional pumping mechanism is avoided, the fluctuation of the raw material concentration in the reaction tank is avoided, and furthermore various performances of products can be improved.
Description
Technical field
The present invention relates to chemical field, especially, relate to a kind of charging degasification constant-current stabilizer and consersion unit.
Background technology
The many need of industrialization Chemical Manufacture carry out continuously, and reaction raw materials solution often need continue to react in feeding retort after conveying.In order to the purity or granularity that ensure product reach requirement, reaction system Raw concentration need be avoided to occur any fluctuation.Such as preparing in lithium ion battery positive and negative electrode materials process, in order to the particle diameter controlling resulting materials makes it meet normal distribution, improving the properties of material, just must avoid in course of reaction, there is fluctuation in material concentration.
Existing solution conveying multipurpose pump carries out, such as centrifugal pump, membrane pump, measuring pump, gear pump etc., and these devices, due to construction problem own, cause carrying liquid to be that the meeting being difficult to avoid produces flow pulse.Few time many when making the solution entering retort, so cause the concentration of reaction system Raw solution in whole course of reaction also time height time low.Thus harmful effect is caused to the particle diameter and purity etc. of product.
Summary of the invention
The invention provides a kind of charging degasification constant-current stabilizer and consersion unit, with solve prior art Raw solution enter reaction system time, produce pulse flow, technical problem low during height when causing reaction system Raw concentration.
According to an aspect of the present invention, provide a kind of charging degasification constant-current stabilizer, comprise the screw feeding device for importing raw material in retort, for the raw material discharge nozzle of transferring raw material, for the depassing unit of raw material degasification and the pump driving raw material, depassing unit is installed on raw material discharge nozzle, and feed stream flows in screw feeding device after depassing unit; The discharge end of screw feeding device is connected with retort; Pump is arranged near the feed end of raw material discharge nozzle.
Further, depassing unit comprises degassing tank and the vacuum extractor for reducing pressure in degassing tank, and vacuum extractor is connected with degassing tank; The discharge end of raw material discharge nozzle is connected with degassing tank, and the discharging opening of degassing tank is connected with the charging aperture of screw feeding device.
Further, also comprise carrier pipe and the screw rod discharger for improving feed pressure value, screw rod discharger is installed on the discharging opening with degassing tank, and the feed end of screw rod discharger is connected with the discharging opening of degassing tank, and the discharging opening of screw rod discharger is connected with one end of carrier pipe; The other end of carrier pipe is connected with the feed end of screw feeding device.
Further, degassing tank is also installed on the liquid level gauge for detecting liquid level in degassing tank and the blow pressure table for detecting force value in degassing tank, blow pressure table and liquid level gauge are all installed on the end face of degassing tank.
Further, also comprise the discharge pressure table for detecting raw material discharge nozzle discharge end overpressure, the detection probe of discharge pressure table stretches in raw material discharge nozzle discharge end.
Further, the force value in blow pressure table is the first force value, and the force value of discharge pressure table is the second force value; Force value in retort is the 3rd force value, the first force value < the 3rd force value < second force value; Second force value is malleation.
Further, also comprise the screw rod motor for adjusting screw(rod) feed appliance discharging speed, the clutch end of screw rod motor is connected with screw feeding device.
Further, vacuum extractor comprises vacuum tube and vavuum pump, and one end of vacuum tube is connected with degassing tank, and the other end is connected with vavuum pump.
Further, screw rod discharger inside is provided with screw rod rotatably, and the end face that screw rod is in screw rod discharger charging aperture one end is provided with drainage trough.
Additionally providing a kind of consersion unit according to a further aspect in the invention, comprising the retort for reacting, the charging aperture of retort is connected with the discharging opening of above-mentioned charging degasification constant-current stabilizer.
The present invention has following beneficial effect:
Charging degasification constant-current stabilizer provided by the invention, by adopting the component charging of screw-rod structure, avoids the pulsed charging that conventional this body structure of pumping mechanism causes, thus avoids material concentration and fluctuate in retort.Thus improve the properties of product.
Adopt the charging of above-mentioned charging degasification constant-current stabilizer in consersion unit provided by the invention, the material concentration making to enter in retort continues balanced, low during height when avoiding material concentration, thus improves the properties of product.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the charging degasification constant-current stabilizer using state schematic diagram of the preferred embodiment of the present invention.
Marginal data:
100, head tank; 110, the first agitating device; 200, degassing tank; 210, liquid level gauge; 220, blow pressure table; 230, screw rod discharger; 300, retort; 310, the second agitating device; 320, liquid outlet; 410, raw material discharge nozzle; 420, carrier pipe; 421, discharge pressure table; 422, screw rod motor; 423, screw feeding device; 430, vacuum tube; 431, vavuum pump.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
If do not specialize, the conventional means that technological means used in embodiment is well known to those skilled in the art.
See Fig. 1, the invention provides charging degasification constant-current stabilizer comprise for the screw feeding device 423 to transferring raw material in retort 300, the raw material discharge nozzle 410 for transferring raw material, for the depassing unit of raw material degasification and the pump driving raw material, depassing unit is installed on raw material discharge nozzle 410, and feed stream flows in screw feeding device 423 after depassing unit; The discharge end of screw feeding device 423 is connected with retort 300; Pump is arranged near the feed end of raw material discharge nozzle 410.Arrange by this, feed product can be made to be sent in retort 300 by screw feeding device 423, thus avoid material concentration produce fluctuation in retort 300, thus improve the properties of products therefrom.
Depassing unit, depassing unit is used for fixing dissolved gas removing in solution, thus to reduce in solution volume shared by gas to the impact of inlet amount.Gas often exists in solution with the state of liquid gas balance.No matter these gas sources, in reaction or course of dissolution, still derive from air.These gases when environmental pressure is constant, are very stable, can not leave solution easily in system.But when solution flow through there is the pipeline turned round time, because manifold pressure changes, cause gas wherein can separate out from solution.On the other hand, the gas in solution enters after in reaction system with solution, can not participate in reaction, but occupy the amount of charging, decrease inlet amount.Thus cause the error of inlet amount.And then the properties that have impact on product is as particle diameter and purity etc.After depassing unit is set, can in advance by the gas removing in solution, charging more afterwards, thus the feed error avoiding that liquor capacity shared by gas causes.Depassing unit can be all kinds of conventional depassing unit.
Preferably, the feed end of raw material discharge nozzle 410 is connected with the bottom surface of head tank 100.The discharge end of raw material discharge nozzle 410 is connected with degassing tank 200.For reducing the vacuum tube 430 of force value in degassing tank 200.Top discharge mouth place, degassing tank 200 bottom surface is provided with the screw rod discharger 230 for improving solution pressure value.Solution enters after in degassing tank 200, opens the device such as vavuum pump 431 grade be arranged on vacuum tube 430 and the pressure in degassing tank 200 is reduced to negative pressure.Liquid gas poised state system under an atmospheric pressure is after being in subnormal ambient, and former dissolving gas in the solution can overflow because of supersaturation, thus realizes the degasification to original solution.Reduce the material quantity error entering reaction system.Thus improve purity and the particle size distribution of product.Degassing tank 200 being also provided with the blow pressure table 220 for detecting force value in degassing tank 200, making the air pressure in degassing tank 200 to reach negative pressure, be convenient to control.
Preferably, degassing tank 200 is also provided with the liquid level gauge 210 for detecting liquid level in degassing tank 200.Liquid level gauge 210 detects the liquid level obtained, and can send signal and control degassing tank 200 feed liquor or fluid, realize continuous prodution.
Preferably, the discharging of degassing tank 200 uses screw rod discharger 230.Screw rod discharger 230 is particularly useful for carrying out discharging to the material for negative pressure in chamber, can ensure that discharging is carried out smoothly, avoid the appearance that discharging is blocked.Solution after discharging enters in screw feeding device 423 through carrier pipe 420.Flow into after screw feeding device 423 in retort 300.Optionally, charging degasification constant-current stabilizer comprises head tank 100, screw feeding device 423, one end are connected with head tank 100, raw material discharge nozzle 410 from the other end to screw feeding device 423 transferring raw material liquid and screw feeding device 423 is provided to the screw rod motor 422 extruding power.Raw material carries out storing or/and dissolve in head tank 100.Discharging opening is offered bottom head tank 100.One end of raw material discharge nozzle 410 is connected with the discharging opening of head tank 100.Raw material discharge nozzle 410 is also provided with the pump driving liquid flow.Material liquid, under the driving of pump, enters in screw feeding device 423.The discharge end of screw feeding device 423 is connected with retort 300.The propelling movement of the dissolution homogeneity entered wherein enters in retort 300 by screw rod motor 422 drive screw feed appliance 423.Screw feeding device 423 pairs of solution are adopted to transport, the pulse flow produced when the pump of frame for movement can be avoided to carry solution, low during height when avoiding entering the material concentration in retort 300.The pulse that driving pump used on raw material discharge nozzle 410 produces can also be offset, reduce material concentration change to the impact of reaction.Thus improve the purity of products obtained therefrom and the uniformity of domain size distribution.Be particularly useful for producing lithium ion positive and negative electrode battery material, make the particle diameter of resulting materials to realize normal distribution.Reaction in retort 300 can be carried out continuously, without the need to interrupting in course of reaction.Obvious head tank 100 herein also can be other apparatuss for feeding.Only needing can to raw material discharge nozzle 410 transferring raw material.
Preferably, carrier pipe 420 is also provided with discharge pressure table 421, to detect the force value of flow velocity, ensures that the fluid pressure of screw feeding device 423 front end fills pipeline.
Also the first agitating device 110 can be provided with in head tank 100.To accelerate the dissolving of raw material or to ensure the Homogeneous phase mixing of solution.Enhance productivity.The second agitating device 310 can be provided with, to promote that reaction is carried out in retort 300.When agitating device used is paddle, paddle motor used is driven to be arranged on retort 300 end face.Retort 300 can be offered as required on the bottom or sidewall of tank body multiple liquid outlets 320 of material, thus complete discharging easily.Preferably on retort 300 bottom surface, start liquid outlet 320, material discharging can be made thorough.
The force value read from blow pressure table 220 is the first force value.The force value read from discharge pressure table 421 is the second force value, and the force value in retort 300 is the 3rd force value.In preferred use procedure, the first force value < the 3rd force value < second force value, and the second force value is required to be malleation.Arranging by this to make solution flow out degassing tank 200 smoothly.Simultaneously for the second force value, can be realized by the discharging speed of adjusting screw(rod) feed appliance 423, when pressure decreases, accelerate the discharging of screw feeding device 423.When pressure raises, reduce the discharging speed of screw feeding device 423.Thus make each force value reach above-mentioned requirements.The 3rd force value in retort 300 can be normal pressure or negative pressure.Adopt above-mentioned depassing unit, can be cost-saving, simply realize the discharge to gas in solution, thus improve the properties of products obtained therefrom.The particle diameter that especially can make lithium ion positive and negative electrode powder body material is normal distribution.Thus improve the electric property of gained battery material.
Preferably, each pipeline all can be arranged the flowing of valve to material to control.Preferred agitating device used is paddle, to meet the needs of industrialized mass.
Preferably, charging place of screw rod discharger 230, the screw rod one end in screw rod discharger 230 is stretched in bottom degassing tank 200, and its end face is provided with the drainage trough along screw rod end-face diameter to through screw rod.The solution that is collected on screw rod end face can import in screw rod discharger 230 by drainage trough, thus can under degassing tank 200 is in negative pressure state, in the carrier pipe 420 that more stable feed pressure is larger.Can by the pressure communication of the pressure in carrier pipe 420 larger for pressure and degassing tank 200 discharging place, thus make raw material be easier to flow in carrier pipe 420, avoid occurring pulse flow in carrier pipe 420.
Another aspect of the present invention additionally provides a kind of consersion unit, and this consersion unit comprises the retort 300 for reacting, and the charging aperture of retort 300 is connected with the discharging opening of any one charging degasification constant-current stabilizer above-mentioned.By adopting above-mentioned charging degasification constant-current stabilizer to retort 300 charging, thus avoid material concentration in reaction system time height time low, thus improve the properties of products therefrom, be particularly useful for process as lithium ion positive and negative electrode powder body material, make the particle diameter of gained powder body material reach normal distribution.Improve the electric property of gained battery material.
The present invention additionally provides a kind of retort 300 pan feeding method on the other hand, comprises the following steps:
S1: raw material is passed in head tank 100 and carry out dissolving or pretreatment.By vavuum pump 431, the pressure in degassing tank 200 is pumped into negative pressure.Material liquid delivers in degassing tank 200 by the pump on the raw material discharge nozzle 410 that unlatching is connected with the discharging opening of head tank 100.
S2: after material liquid stores a period of time in degassing tank 200, the gas evolution in material liquid, and taken away in time by vavuum pump 431.Read the numerical value of discharge pressure table 421 simultaneously, open screw rod discharger 230, by material liquid discharging in carrier pipe 420 when the force value of its discharge pressure table 421 is less than setting value.
S3: and delivered in screw feeding device 423 by carrier pipe 420.After carrying via screw feeding device 423, material liquid enters in retort 300.The rotating speed of screw feeding device 423 can adjust according to the requirement of charging rate.Product after having reacted can from liquid outlet 320 discharging.
According to said method process, the material flow entered in retort 300 can be prevented to fluctuate.Improve purity or the even particle size distribution of product.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a charging degasification constant-current stabilizer, it is characterized in that, comprise for import in retort (300) raw material screw feeding device (423), for carrying the raw material discharge nozzle (410) of described raw material, for the depassing unit of described raw material degasification and the pump driving described raw material, described depassing unit is installed on described raw material discharge nozzle (410), and described feed stream flows in described screw feeding device (423) after described depassing unit;
The discharge end of described screw feeding device (423) is connected with described retort (300);
Described pump is arranged near the feed end of described raw material discharge nozzle (410).
2. charging degasification constant-current stabilizer according to claim 1, it is characterized in that, described depassing unit comprises degassing tank (200) and the vacuum extractor for reducing described degassing tank (200) interior pressure, and described vacuum extractor is connected with described degassing tank (200);
The discharge end of described raw material discharge nozzle (410) is connected with described degassing tank (200), and the discharging opening of described degassing tank (200) is connected with the charging aperture of described screw feeding device (423).
3. charging degasification constant-current stabilizer according to claim 2, it is characterized in that, also comprise carrier pipe (420) and the screw rod discharger (230) for improving described feed pressure value, described screw rod discharger (230) is installed on the discharging opening with described degassing tank (200), the feed end of described screw rod discharger (230) is connected with the discharging opening of described degassing tank (200), and the discharging opening of described screw rod discharger (230) is connected with one end of described carrier pipe (420);
The other end of described carrier pipe (420) is connected with the feed end of described screw feeding device (423).
4. the charging degasification constant-current stabilizer according to Claims 2 or 3, it is characterized in that, described degassing tank (200) is also installed on the liquid level gauge (210) for detecting described degassing tank (200) interior liquid level and the blow pressure table (220) for detecting described degassing tank (200) interior force value, described blow pressure table (220) and described liquid level gauge (210) are all installed on the end face of described degassing tank (200).
5. charging degasification constant-current stabilizer according to claim 4, it is characterized in that, also comprise the discharge pressure table (421) for detecting described raw material discharge nozzle (410) discharge end overpressure, the detection probe of described discharge pressure table (421) stretches in described raw material discharge nozzle (410) discharge end.
6. charging degasification constant-current stabilizer according to claim 5, is characterized in that, the force value in described blow pressure table (220) is the first force value, and the force value of described discharge pressure table (421) is the second force value; Force value in described retort (300) is the 3rd force value, the first force value < the 3rd force value < second force value; Described second force value is malleation.
7. charging degasification constant-current stabilizer according to claim 6, it is characterized in that, also comprise the screw rod motor (422) for regulating described screw feeding device (423) discharging speed, the clutch end of described screw rod motor (422) is connected with described screw feeding device (423).
8. charging degasification constant-current stabilizer according to claim 6, it is characterized in that, described vacuum extractor comprises vacuum tube (430) and vavuum pump, one end of described vacuum tube (430) is connected with described degassing tank (200), and the other end is connected with described vavuum pump.
9. charging degasification constant-current stabilizer according to claim 6, it is characterized in that, described screw rod discharger (230) inside is provided with screw rod rotatably, and the end face that described screw rod is in described screw rod discharger (230) charging aperture one end is provided with drainage trough.
10. a consersion unit, is characterized in that, comprises the retort (300) for reacting, and the charging aperture of described retort (300) is connected with the discharging opening of the charging degasification constant-current stabilizer according to any one of claim 1 ~ 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577401.8A CN105148803B (en) | 2015-09-11 | 2015-09-11 | Feed degasification constant-current stabilizer and consersion unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577401.8A CN105148803B (en) | 2015-09-11 | 2015-09-11 | Feed degasification constant-current stabilizer and consersion unit |
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| CN105148803A true CN105148803A (en) | 2015-12-16 |
| CN105148803B CN105148803B (en) | 2017-07-11 |
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