CN110756143A

CN110756143A - Crystallization reaction kettle with high dispersion stirring performance

Info

Publication number: CN110756143A
Application number: CN201911039147.0A
Authority: CN
Inventors: 陈永福
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-02-07

Abstract

The invention provides a crystallization reaction kettle with high dispersion stirring property, which comprises a kettle body and a kettle sleeve, wherein a cooling cavity is formed between the outer wall of the kettle body and the inner wall of the kettle sleeve, a high dispersion stirring mechanism is arranged in the kettle body, the high dispersion stirring mechanism comprises a hollow shaft lever and a plurality of dispersion stirring units, the upper end and the lower end of the hollow shaft lever extend out of the kettle body and are communicated with the cooling cavity, the dispersion stirring units are uniformly distributed on the hollow shaft lever from top to bottom, and the lower end of the kettle body is provided with a first outlet and a second outlet.

Description

Crystallization reaction kettle with high dispersion stirring performance

Technical Field

The invention relates to the technical field of reaction kettles, in particular to a crystallization reaction kettle with high dispersion stirring property.

Background

The broad understanding of the reaction kettle is that the reaction kettle is a container for physical or chemical reaction, and the heating, evaporation, cooling and low-speed mixing functions required by the process are realized through the structural design and parameter configuration of the container. The reaction kettle is widely applied to pressure vessels for completing processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like, such as reactors, reaction pots, decomposing pots, polymerization kettles and the like, in petroleum, chemical industry, rubber, pesticides, dyes, medicines and foods, and is generally made of carbon manganese steel, stainless steel, zirconium, nickel-based (Hastelloy, Monel and inconel) alloy and other composite materials.

The crystallization kettle is a crystallization device which needs chilled water or refrigerant water to be rapidly cooled in an interlayer after material mixing reaction, and the key links of the crystallization kettle are the size of the area of the interlayer, the structural form and the material outlet form of a stirrer, high-precision polishing in a tank body and the requirement of no dead angle in cleaning in the tank body so as to meet the use conditions of the process. However, the existing kettle body has poor cooling uniformity, so that the crystallization quality is poor, the efficiency is low, the application life of the reaction kettle is greatly influenced, and further improvement is needed.

Disclosure of Invention

Aiming at the problems, the invention provides the crystallization reaction kettle with high dispersion and stirring properties, which has good cooling effect and uniform crystal granularity and is convenient for post processing.

In order to achieve the above object, the present invention adopts the following technical solutions:

the utility model provides a crystallization reaction kettle of high dispersion stirring nature, includes the cauldron body and cauldron cover, be equipped with in the cauldron cover the cauldron body, cauldron body upper end is equipped with the feed inlet, cauldron cover upper end is equipped with the liquid outlet, cauldron cover lower extreme is equipped with the inlet, cauldron external wall with form the cooling chamber between the cauldron inner wall, the internal high dispersion rabbling mechanism that is equipped with of cauldron, high dispersion rabbling mechanism includes cavity axostylus axostyle and a plurality of dispersion stirring unit, the upper and lower extreme of cavity axostylus axostyle all extends to the cauldron is external and with the cooling chamber communicates with each other, dispersion stirring unit from last from bottom the equipartition in on the cavity axostylus axostyle, cauldron body lower extreme is equipped with export one and export two, export two include fixed connection outer tube on the cauldron body and slide and cup.

Preferably, a rotating shaft penetrates through the hollow shaft rod, the outer wall of the rotating shaft is fixedly connected with the inner wall of the hollow shaft rod through fixing columns in an annular array, the lower end of the rotating shaft extends to the cooling cavity and is rotatably connected with a bearing seat arranged at the bottom of the kettle sleeve, and the upper end of the rotating shaft extends to the outside of the kettle sleeve and is connected with a rotating motor.

Preferably, the number of the dispersing and stirring units is at least 3, each dispersing and stirring unit comprises at least two main stirring rods, and two auxiliary stirring rods are arranged on the main stirring rods.

Preferably, the auxiliary stirring rod is obliquely arranged on the main stirring rod, and the inclination angle is 50-80 degrees.

Preferably, main puddler is hollow structure, and main puddler and hollow axostylus axostyle are the intercommunication setting.

Preferably, the side wall of the cooling cavity is provided with 4 thermometers, the temperature sensing ends of the 3 thermometers are respectively positioned at the liquid inlet, the liquid outlet and the middle part of the cooling cavity of the kettle sleeve, and the temperature sensing end of the 1 thermometer is positioned at the middle lower part in the kettle body.

Preferably, the kettle sleeve and the lower side wall corresponding to the kettle body are provided with perspective ports, and volume scale marks are arranged on the perspective ports, so that subsequent preparation work is facilitated.

Preferably, a filter membrane layer is arranged at the upper port of the inner tube, so that crystals are prevented from leaking.

Due to the adoption of the technical scheme, the invention has the beneficial effects that: the invention is provided with the main stirring rod and the inclined auxiliary stirring rod, can stir in the horizontal direction and the vertical direction, and can stir uniformly in the whole kettle body, thereby avoiding stirring dead angles, driving different stirring ranges by different inclined angles, being beneficial to forming different crystal grain sizes according to the needs, and having better uniform dispersion degree of crystals; the main stirring rod is communicated with the cooling cavity and can be filled with cooling liquid, so that the interior of the raw material liquid can be cooled, the temperature difference is reduced, the mixing and cooling effects are better, and the crystallization efficiency is improved; a plurality of thermometers are arranged, so that the cooling process can be known visually in time, and the adjustment is convenient; be equipped with export two, can discharge the upper liquid after the crystallization earlier, the liquid level to suitable position in the cauldron is observed through perspective mouth to the in-process, then discharges surplus crystal and mixed liquid from export one, avoids the too much disturbance crystal of liquid on the one hand, is unfavorable for the particle stability of crystal, and on the other hand is unfavorable for follow-up processing, has prolonged the activity duration.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: 1 kettle body, 11 outlet I, 12 outlet II, 121 outer pipe, 122 inner pipe, 2 kettle sleeve, 21 liquid outlet, 22 liquid inlet, 3 cooling cavity, 31 thermometer, 4 high dispersion stirring mechanism, 41 hollow shaft lever, 411 rotating shaft, 412 bearing seat, 413 rotating motor, 42 dispersion stirring unit, 421 main stirring rod, 422 auxiliary stirring rod, 5 perspective port, 51 volume scale mark, 6 fixed column, 7 filter membrane layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

A crystallization reaction kettle with high dispersion stirring performance is shown in figure 1 and comprises a kettle body 1 and a kettle sleeve 2, wherein a feed inlet 13 is arranged at the upper end of the kettle body 1, a liquid outlet 21 is arranged at the upper end of the kettle sleeve 2, a liquid inlet 22 is arranged at the lower end of the kettle sleeve 2, the kettle body 2 is arranged in the kettle sleeve 2, a cooling cavity 3 is formed between the outer wall of the kettle body 1 and the inner wall of the kettle sleeve 2, 4 thermometers 31 are arranged on the side wall of the cooling cavity 3, the temperature sensing ends of the 3 thermometers 31 are respectively positioned at the liquid inlet 22, the liquid outlet 21 and the middle part of the cooling cavity 3 of the kettle sleeve 2, the temperature sensing ends of the 1 thermometer 31 are positioned at the middle lower part in the kettle body 1, a high dispersion stirring mechanism 4 is arranged in the kettle body 1, the high dispersion stirring mechanism 4 comprises a hollow shaft lever 41 and at least 3 dispersion stirring units 42, the upper end and the lower end of the hollow shaft lever 41 both extend out of, the dispersing and stirring units 42 are uniformly distributed on the hollow shaft rod 41 from top to bottom, the dispersing and stirring unit 42 comprises at least two main stirring rods 421, two auxiliary stirring rods 422 are obliquely arranged on the main stirring rods 421, the angle between the auxiliary stirring rods 422 and the main stirring rods 421 is 45-90 degrees, the main stirring rods 421 are of hollow structures, the joints of the main stirring rods 421 and the hollow shaft rod 41 are communicated, a rotating shaft 411 penetrates through the hollow shaft rod 41, the hollow shaft rod 41 and the rotating shaft 411 are connected through uniformly distributed fixing columns 6, the lower end of the rotating shaft 411 extends to the cooling cavity 3 and is rotatably connected with a bearing seat 412 arranged at the bottom of the kettle sleeve 2, the upper end of the rotating shaft 411 extends to the outside of the kettle sleeve 2 and is connected with a rotating motor 413, and the side wall of the kettle sleeve 2 corresponding to the kettle body 1 is provided with a perspective port 5, be equipped with volume scale mark 51 on perspective mouth 5, cauldron body 1 lower extreme is equipped with export one 11 and export two 12, export two 12 including fixed connection outer tube 121 on the cauldron body 1 with slide to cup joint inner tube 122 in the outer tube 121, inner tube 122 upper end is equipped with filter membrane layer 7.

The invention is provided with a plurality of dispersing and stirring units, the main stirring rod and the inclined auxiliary stirring rod can stir in horizontal and vertical directions, the whole kettle body is uniformly stirred, the stirring dead angle is avoided, different inclination angles drive different stirring ranges, different crystal particle sizes can be formed according to the requirement, and the crystal uniform dispersion degree is better.

Main puddler and cooling chamber intercommunication, thereby the coolant liquid can get into from hollow shaft pole lower extreme and fill to main puddler in for the inside of raw materials liquid also can cool down the cooling, reduces the inside and outside difference in temperature of raw materials liquid, and mixed cooling effect is better, has improved crystallization efficiency.

The plurality of thermometers are arranged, so that the cooling process can be visually known, and the temperature of the cooling liquid can be conveniently and timely adjusted.

Be equipped with export two, the accessible is adjusted the upper liquid of inner tube and is discharged earlier after the crystallization, and the liquid level to suitable position in the cauldron is observed through perspective mouth to the in-process, then discharges from export one with surplus crystal and mixed liquid, avoids the too much disturbance crystal of liquid on the one hand, is unfavorable for the particle stability of crystal, and on the other hand liquid is too much unfavorable for follow-up processing, has prolonged the activity duration, has reduced work efficiency.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a crystallization reaction kettle of high dispersion stirring nature, includes the cauldron body and cauldron cover, be equipped with in the cauldron cover the cauldron body, cauldron body upper end is equipped with the feed inlet, cauldron cover upper end is equipped with the liquid outlet, cauldron cover lower extreme is equipped with inlet, its characterized in that: the reactor comprises a reactor body, wherein a cooling cavity is formed between the outer wall of the reactor body and the inner wall of the reactor sleeve, a high-dispersion stirring mechanism is arranged in the reactor body and comprises a hollow shaft rod and a plurality of dispersion stirring units, the upper end and the lower end of the hollow shaft rod both extend out of the reactor body and are communicated with the cooling cavity, the dispersion stirring units are uniformly distributed on the hollow shaft rod from top to bottom, the lower end of the reactor body is provided with a first outlet and a second outlet, and the second outlet comprises an outer tube fixedly connected to the reactor body and an inner tube sleeved in the outer tube in a sliding manner.

2. The crystallization reactor with high dispersive stirring property according to claim 1, wherein: the hollow shaft rod is internally provided with a rotating shaft in a penetrating manner, the outer wall of the rotating shaft is fixedly connected with the inner wall of the hollow shaft rod through fixing columns in an annular array, the lower end of the rotating shaft extends to the cooling cavity and is rotationally connected with a bearing seat arranged at the bottom of the kettle sleeve, and the upper end of the rotating shaft extends to the outside of the kettle sleeve and is connected with a rotating motor.

3. The crystallization reactor with high dispersive stirring property according to claim 2, wherein: the dispersion stirring unit is equipped with 3 at least, and every dispersion stirring unit includes two at least main puddlers, be equipped with two vice puddlers on the main puddler.

4. A crystallization reactor with high dispersive stirring properties according to claim 3, wherein: the auxiliary stirring rod is obliquely arranged on the main stirring rod, and the inclination angle is 50-80 degrees.

5. A crystallization reactor with high dispersive stirring properties according to claim 3, wherein: the main stirring rod is of a hollow structure, and the main stirring rod is communicated with the hollow shaft rod.

6. The crystallization reactor with high dispersive stirring property according to claim 1, wherein: the side wall of the cooling cavity is provided with 4 thermometers, the temperature sensing ends of the 3 thermometers are respectively positioned at the liquid inlet, the liquid outlet and the middle part of the cooling cavity of the kettle sleeve, and the temperature sensing end of the 1 thermometer is positioned at the middle lower part in the kettle body.

7. The crystallization reactor with high dispersive stirring property according to claim 1, wherein: the kettle sleeve and the lower side wall corresponding to the kettle body are provided with perspective ports, and volume scale marks are arranged on the perspective ports.

8. The crystallization reactor with high dispersive stirring property according to claim 1, wherein: and a filter membrane layer is arranged at the upper port of the inner pipe.