CN102861537B - A kind of centrifugal liquid membrane feeding method - Google Patents
A kind of centrifugal liquid membrane feeding method Download PDFInfo
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- CN102861537B CN102861537B CN201110190379.3A CN201110190379A CN102861537B CN 102861537 B CN102861537 B CN 102861537B CN 201110190379 A CN201110190379 A CN 201110190379A CN 102861537 B CN102861537 B CN 102861537B
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- feeding device
- reaction mass
- reactive tank
- feeding
- centrifugal
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Abstract
The invention discloses a kind of centrifugal liquid membrane feeding method, comprise the following steps: feeding device is arranged in reactive tank by (1), and guarantee that the discharge end of feeding device immerses below the liquid level of reaction mass in reactive tank; (2) reaction mass be interrupted or join continuously in feeding device; (3) feeding device is driven, it is made to rotate around driving shaft in reactive tank, in feeding device, reaction mass flows out from the discharge opening of feeding device discharge end under centrifugal action, enter in reactive tank, and form one deck liquid film around feeding device periphery wall, make reaction mass Homogeneous phase mixing in reactive tank by this liquid film and react.This feeding method can control product difficulty soluble salt grain graininess well.
Description
Technical field:
The present invention relates to material and manufacture field, particularly a kind of centrifugal liquid membrane feeding method.
Background technology:
Liquid deposition is reacted, and is the conventional method of producing various insoluble metal salt or non-metal salt.
At present, the method solution of reaction mass being added reactive tank mainly contains following several: (1), directly add reactive tank by special pipeline; (2) reactive tank is added after, being disperseed by shower nozzle; (3), reaction mass pressed powder directly adds reactive tank; (4) gas or liquid in inertia, is used as decentralized medium, to add reactive tank by after the Solution Dispersion of reaction mass.These charging process all can not control the uniformity of the mixing of reaction mass well, in reactive tank, the degree of supersaturation of material addition point reaction mass is far above other region, and course of reaction completes at feed point i.e. its near zone substantially, add the pipeline of reaction mass solution, caliber is larger, and it is uneven more obvious that material addition point and near zone react.Reactive tank is added by after the Solution Dispersion of reaction mass, although make the inhomogeneities of reaction improve, when drop falls into reaction surface, the same problem of non-uniform that there is reaction near drop, reaction mass mixes, reacts uneven, is difficult to control causing the granularity of product difficulty soluble salt particle.
Summary of the invention:
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of centrifugal liquid membrane feeding method that can control liquid deposition reactor product granularity is well provided.
In order to realize foregoing invention object, present invention employs following technical scheme:
A kind of centrifugal liquid membrane feeding method, comprises the following steps:
(1) feeding device is arranged in reactive tank, and guarantees that the discharge end of feeding device immerses below the liquid level of reaction mass in reactive tank;
(2) reaction mass be interrupted or join continuously in feeding device;
(3) feeding device is driven, it is made to rotate around driving shaft in reactive tank, in feeding device, reaction mass flows out from the discharge opening of feeding device discharge end under centrifugal action, enter in reactive tank, and form one deck liquid film around feeding device periphery wall, make reaction mass Homogeneous phase mixing in reactive tank by this liquid film and react.
Described reaction mass is interrupted the method joined in feeding device is: add a certain amount of reaction mass in feeding device after, namely supply is stopped, feeding device is driven to make it rotate, this feeding device starts reinforced in reactive tank reaction, when the reaction mass in feeding device is depleted to a certain degree, feeding device out of service, then to anaplerotic reaction material in feeding device, then again drive feeding device, so move in circles.
The method joined continuously by described reaction mass in feeding device is: the continuous supply of reaction mass is in feeding device, and feeding device runs continuously.
Permeable membrane or filter cloth are equipped with in its discharge opening place corresponding in described feeding device, by adjustment permeable membrane or the mesh size of filter cloth or the number of plies of laying, regulate, control the discharge of reaction mass, make reaction mass evenly flow out discharge opening.
The thickness of described liquid film is 0.1 micron ~ 5.0 millimeters.
The maximum line velocity that described feeding device rotates is 1 meter per second ~ 20 meter per second.
The present invention relative to the advantage of prior art is:
In the present invention, feeding device to be changed the line of production raw centrifugal force in reactive tank inward turning, utilize centrifugal action principle, liquid film is produced in feeding device periphery, by liquid film mode, reaction mass in reactive tank is reacted uniformly, utilize the rotation of feeding device to strengthen the mixed process of feed point reaction mass further simultaneously, reduce the inhomogeneities of feed point reaction, be convenient to effectively control product difficulty soluble salt grain graininess.
Accompanying drawing illustrates:
The present invention is introduced in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a kind of structural representation of the present invention;
Detailed description of the invention:
According to a kind of centrifugal liquid membrane feeding method provided by the invention, comprise the following steps:
(1) feeding device 2 is arranged in reactive tank 1, and guarantees that the discharge end of feeding device 2 immerses below the liquid level of reaction mass in reactive tank 1;
(2) reaction mass be interrupted or join in feeding device 2 continuously;
(3) feeding device 2 is driven, it is made to rotate around driving shaft 3 in reactive tank 1, in feeding device 2, reaction mass flows out from the discharge opening 21 of feeding device 2 discharge end under centrifugal action, enter in reactive tank 1, and form one deck liquid film around feeding device 2 periphery wall, make reaction mass Homogeneous phase mixing in reactive tank 1 by this liquid film and react, simultaneously, the further hybrid reaction material of rotation of feeding device 2, make the reaction mass mixing of feed point place more even, be convenient to effectively control product difficulty soluble salt grain graininess.
The method joined by described reaction mass in feeding device 2 is: one, be interrupted addition method, add a certain amount of reaction mass in feeding device 2 after, namely stop supply, drive feeding device 2 to make it rotate, this feeding device 2 starts reinforced in reactive tank reaction, when the reaction mass in feeding device 2 is depleted to a certain degree, feeding device 2 out of service, then to anaplerotic reaction material in feeding device 2, then again drive feeding device 2, so move in circles; Two, continuous addition method, the continuous supply of reaction mass is in feeding device 2, and feeding device 2 runs continuously.
In described feeding device 2, permeable membrane or filter cloth 5 are equipped with in its discharge opening 21 place corresponding, by adjustment permeable membrane or the mesh size of filter cloth 5 or the number of plies of laying, regulate, control the discharge of reaction mass, make reaction mass evenly flow out discharge opening 21.
The thickness of liquid film is 0.1 micron ~ 5.0 millimeters.The maximum line velocity that described feeding device 2 rotates is 1 meter per second ~ 20 meter per second.
Above-described embodiment is used for illustrative purposes only; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be limited by each claim.
Claims (5)
1. a centrifugal liquid membrane feeding method, is characterized in that comprising the following steps:
(1) feeding device (2) is arranged in reactive tank (1), and guarantees that the discharge end of feeding device (2) immerses below the liquid level of reactive tank (1) interior reaction mass;
(2) reaction mass be interrupted or join in feeding device (2) continuously;
(3) feeding device (2) is driven, it is made to rotate around driving shaft (3) in reactive tank (1), feeding device (2) interior reaction mass flows out from the discharge opening (21) of feeding device (2) discharge end under centrifugal action, enter in reactive tank (1), and form one deck liquid film around feeding device (2) periphery wall, make (1) reaction mass Homogeneous phase mixing in reactive tank by this liquid film and react;
In described feeding device (2), permeable membrane or filter cloth (5) are equipped with in corresponding its discharge opening (21) place, by adjustment permeable membrane or the mesh size of filter cloth (5) or the number of plies of laying, regulate, control the discharge of reaction mass, make reaction mass evenly flow out discharge opening (21).
2. a kind of centrifugal liquid membrane feeding method as claimed in claim 1, it is characterized in that: described reaction mass is interrupted the method joined in feeding device (2) is: add a certain amount of reaction mass in feeding device (2) after, namely supply is stopped, feeding device (2) is driven to make it rotate, this feeding device (2) starts reinforced in reactive tank reaction, when the reaction mass in feeding device (2) is depleted to a certain degree, feeding device out of service (2), again to the interior anaplerotic reaction material of feeding device (2), then feeding device (2) is again driven, so move in circles.
3. a kind of centrifugal liquid membrane feeding method as claimed in claim 1, it is characterized in that: the method joined continuously by described reaction mass in feeding device (2) is: the continuous supply of reaction mass is in feeding device (2), and feeding device (2) runs continuously.
4. a kind of centrifugal liquid membrane feeding method as described in claim 1 or 2 or 3, is characterized in that: the thickness of described liquid film is 0.1 micron ~ 5.0 millimeters.
5. a kind of centrifugal liquid membrane feeding method as described in claim 1 or 2 or 3, is characterized in that: the maximum line velocity that described feeding device (2) rotates is 1 meter per second ~ 20 meter per second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110190379.3A CN102861537B (en) | 2011-07-08 | 2011-07-08 | A kind of centrifugal liquid membrane feeding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110190379.3A CN102861537B (en) | 2011-07-08 | 2011-07-08 | A kind of centrifugal liquid membrane feeding method |
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| Publication Number | Publication Date |
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| CN102861537A CN102861537A (en) | 2013-01-09 |
| CN102861537B true CN102861537B (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110190379.3A Active CN102861537B (en) | 2011-07-08 | 2011-07-08 | A kind of centrifugal liquid membrane feeding method |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201105216Y (en) * | 2008-01-17 | 2008-08-27 | 范春雷 | Centrifugal screen pelletizer |
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- 2011-07-08 CN CN201110190379.3A patent/CN102861537B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201105216Y (en) * | 2008-01-17 | 2008-08-27 | 范春雷 | Centrifugal screen pelletizer |
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