CN215516802U

CN215516802U - Rotating equipment

Info

Publication number: CN215516802U
Application number: CN202120551196.9U
Authority: CN
Inventors: 严佐毅; 李智育; 郑成辉
Original assignee: Fuzhou University
Current assignee: Fuzhou University
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2022-01-14
Anticipated expiration: 2031-03-17

Abstract

The utility model discloses a rotating device, and belongs to the technical field of rotating devices. It comprises a box shell and a rotating device arranged in the box shell; the rotating device comprises a rotating shaft and a dispersing assembly which is arranged on the rotating shaft and has a fractal geometric structure; the dispersion assembly comprises a plurality of dispersion layers, and each dispersion layer at least corresponds to one material inlet. Compared with the prior art, the mass and the cost of the rotor can be greatly reduced, the rotor is not easy to damage when contacting with a solid during high-speed rotation, and the damage to microorganisms can be greatly reduced when the rotor is used in a biological reaction process; when a plurality of strands of material feeding materials and high-viscosity fluid are involved, the distribution uniformity of the materials in the rotating device can be greatly improved, the distribution and mixing of the feeding materials in the rotating bed are controlled, and the heat transfer efficiency, the mass transfer efficiency and the reaction efficiency of the materials in the rotating device are greatly improved.

Description

Rotating equipment

Technical Field

The utility model belongs to the technical field of rotary equipment, and particularly relates to rotary equipment.

Background

The process strengthening is always a hot point of chemical technology research, and the centrifugal force field strengthening is a new technology of the field of process strengthening, namely the heterophoria, and is mainly applied to strengthening the multiphase flow transmission and reaction process. The rotating device is used as process strengthening equipment which is most widely applied in the current industrial production, is particularly applied to various fields of chemical industry, biological pharmacy, environmental protection, light industry and the like, and obtains better results. The supergravity technology is that a high-speed rotating device is used to generate a centrifugal force field hundreds of times of gravity, so that a liquid phase forms a thin liquid film, fine liquid drops and superfine liquid filaments under the shearing of centrifugal force, the phase interface area and the interface updating are obviously increased, and the mass transfer and heat transfer processes are greatly enhanced.

As shown in the prior chinese patent publication No. CN108355587A, a modular rotating packed bed is disclosed, which comprises a housing, a liquid phase inlet, a gas phase inlet, a liquid phase outlet, and a gas phase outlet disposed on the housing, and a rotating shaft disposed in the middle of the housing, wherein a rotating device is sleeved on the rotating shaft, and the rotating device comprises an upper cover plate, a lower support plate, an inner annular plate, an outer annular plate, and a middle partition plate; the upper cover plate, the lower support plate, the inner ring plate and the outer ring plate form a cylindrical cavity body, and the middle partition plate is arranged between the inner ring plate and the outer ring plate to equally divide the cylindrical cavity body into a plurality of fan-shaped bodies; the non-adjacent sector is internally filled with catalytic filler modules, the inner sides of the rest sectors are filled with cooling modules, and the cooling modules are connected with a cooling water inlet pipe and a cooling water outlet pipe through a cooling water central distribution pipe arranged outside the rotating shaft to complete the circulation of cooling water. The patent can improve the reaction rate, the conversion rate and the yield of the product. However, this device has the following disadvantages: (1) the rotary rotor for industrialization has large mass and large energy consumption of the motor; (2) the rotor is easy to damage when contacting with the solid during high-speed rotation; (3) when the rotor is used in a biological reaction process, microorganisms are easily damaged; (4) the materials are not uniformly distributed in the rotating device, especially when the fluid viscosity is high; (5) when multiple material feeds are involved, the distribution and mixing of the individual feeds within the bed cannot be well controlled.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides rotary material mixing equipment, which is characterized in that a dispersing assembly with a fractal geometric structure is arranged, the dispersing assembly is provided with a plurality of dispersing layers, and each dispersing layer is matched with a material inlet, so that the existing problems are solved.

In order to achieve the purpose, the utility model provides the following technical scheme:

a kind of rotary equipment, including the reaction box shell, rotary device, motor and vacuum pump connected with reaction box shell that locate in reaction box shell, provide kinetic energy to rotary device, the said rotary device includes the spindle set up vertically and is installed on spindle and takes the form of the dispersing assembly of the fractal geometry; the dispersing assembly comprises a plurality of dispersing layers arranged on the rotating shaft, and each dispersing layer comprises a plurality of supporting rods radially arranged on the rotating shaft and dispersing elements positioned on the supporting rods; one end of each dispersing element close to the rotating shaft is provided with a protruding part, and the protruding parts on the dispersing layers on the upper layer are farther away from the rotating shaft than the protruding parts on the dispersing layers on the lower layer; the rotating equipment further comprises a plurality of material inlets which are positioned on the reaction box shell and above the dispersing assemblies, and each material inlet corresponds to the area between the protruding part of one dispersing layer and the rotating shaft.

Further, a jacket shell is arranged outside the reaction box shell; a closed heat conduction interlayer is formed between the jacket shell and the reaction box shell; the jacket shell is provided with at least one jacket circulating liquid outlet and at least one jacket circulating liquid inlet.

Further, the reaction box shell comprises a box shell body for mounting the dispersion component, a box shell cover positioned at the top of the box shell body and a conical bottom positioned at the bottom of the box shell body; the box shell body, the box shell cover and the conical bottom are integrally connected; the bottom of the conical bottom is provided with a closable discharge hole.

Further, the jacket circulating liquid outlet is arranged at the upper part of the outer side wall of the jacket shell and is not lower than the highest part of the dispersion assembly; the jacket circulating liquid inlet is arranged on the outer side wall of the conical bottom.

Furthermore, the material inlets are symmetrically distributed around the rotating shaft.

Further, the dispersing element is a brush piece made of flexible high polymer materials.

Furthermore, the support rod is detachably connected with the rotating shaft.

Furthermore, the reaction box shell is a metal box shell, and the jacket shell is a heat-insulating shell.

Further, the rotary equipment also comprises a vacuum pump interface positioned on the box cover; the vacuum pump interface is communicated with the interior of the reaction box shell.

A method of using a rotary apparatus, comprising the steps of:

s1, starting a motor connected with the rotating shaft to enable the rotating device to idle; starting a vacuum pump connected with a vacuum pump interface to pump air and reduce pressure in the reaction box shell, so that the interior of the reaction box shell meets the vacuum requirement during reaction;

s2, injecting high-temperature or low-temperature circulating liquid into the heat conduction interlayer through the jacket circulating liquid inlet and flowing out through the jacket circulating liquid outlet for continuous circulation, so that the temperature in the reaction box shell reaches the standard;

s3, pouring different materials into the reaction box shell through a plurality of material inlets, so that each material falls into a movable area where a protrusion of a dispersion element in the reaction box shell is located, and controlling the material mixing ratio by controlling the feeding rate; the rotating speed of the motor is adjusted, the materials are mixed and distributed, the circulating liquid with the temperature circulates in the heat-conducting interlayer, and the materials in the reaction box shell are heated by utilizing the heat conductivity of the metal materials, so that the materials are fully reacted;

s4, after the treatment of the step S3, the obtained products sink in the conical bottom for collection under the action of gravity, and then the discharge hole is opened to output the reaction products.

The protrusion is a portion of a dispersion element protruding compared to a dispersion element of the upper dispersion layer, and the portion is a portion of the dispersion element closest to the rotating shaft.

The above-mentioned movable region is a region through which the protrusion of the dispersing element fixed to the support rod passes when rotating about the rotation axis.

In conclusion, the utility model has the following beneficial effects:

1. compared with the prior art that the rotating effect can be achieved only by adopting a high-power motor and a larger dispersion assembly, the dispersion assembly with the fractal geometry structure can better complete mixing work by adopting a smaller reaction box shell and a smaller dispersion assembly, so that the quality and the production cost of a rotor can be greatly reduced; meanwhile, compared with the prior art, the utility model has lower electric energy when obtaining the same effect;

2. the brush hair or the brush piece can be made of flexible high polymer materials, and the device is not easy to damage when contacting with a solid during high-speed rotation; meanwhile, when the biological reaction process is used, the damage to microorganisms can be greatly reduced; the method has the advantages of higher production efficiency, higher rate of improvement and higher yield;

3. according to the utility model, the dispersing assembly is designed into a fractal geometric structure, so that the distribution uniformity of materials in the rotating device is greatly increased, the aggregation of fluid, particularly high-viscosity fluid, is avoided, and the operational elasticity of the equipment is greatly increased;

4. when the utility model relates to multi-strand material feeding in production, the utility model can well control the distribution and mixing of each strand of feeding in the rotating bed, and greatly improve the heat transfer, mass transfer and reaction efficiency of the material in the rotating device.

5. On the basis that a jacket shell is arranged outside a box shell and forms a thermal interlayer for heating with the box shell, the temperature in the box shell can be heated by utilizing a metallic reaction box shell through the arrangement of at least one jacket shell circulating liquid outlet communicated with the outside of the thermal interlayer and at least one jacket shell circulating liquid inlet communicated with the outside of the thermal interlayer on the jacket shell; meanwhile, the circulating liquid outlet of the jacket shell corresponds to the upper part of the outer side wall of the box shell body and is higher than the dispersing component; the jacket shell circulation liquid inlet corresponds to the outer side wall of the conical bottom and is lower than the dispersing assembly, so that the box shell can be uniformly heated, and the heating of the box shell can be accurately controlled by controlling the flow rate of the circulation liquid.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic view of a parting dispersion assembly;

FIG. 3 is a plan view of a stirring apparatus in example 1

FIG. 4 is a plan view of the stirring apparatus in example 2.

Description of reference numerals: 1. a reaction box shell; 11. a feed inlet; 12. a cabinet body; 13. a case cover; 14. a conical bottom; 14-1, a discharge hole; 15. a vacuum pump interface; 2. a rotating device; 21. a rotating shaft; 22. a dispersion assembly; 22-1, a dispersion layer; 22-1a, a support bar; 22-1b, a dispersing element; 3. a jacket housing; 31. a jacket shell circulation liquid outlet; 32. a jacket shell circulation liquid inlet; 4. and (4) thermal interlayer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, a rotating apparatus includes a reaction chamber housing 1, a rotating device 2 disposed in the reaction chamber housing 1, a motor providing kinetic energy to the rotating device 2, and a vacuum pump connected to the reaction chamber housing, wherein the rotating device 2 includes a vertically disposed rotating shaft 21 and a dispersing assembly 22 mounted on the rotating shaft 21 and having a fractal geometry. The dispersion assembly 22 includes four dispersion layers 22-1 mounted on the rotating shaft 21, and each dispersion layer includes eight support rods 22-1a radially disposed on the rotating shaft 21 and dispersion elements 22-1b disposed on the support rods. Each dispersing element 22-1b has a protrusion formed at an end thereof adjacent to the rotating shaft 21, and the protrusions of the dispersing layer of the upper layer are spaced apart from the rotating shaft 21 by a greater distance than the protrusions of the dispersing layer of the lower layer. The rotating equipment further comprises eight material inlets 11 which are positioned on the reaction box shell 1 and above the dispersing component 22, and each material inlet 11 corresponds to an active area where the protruding part is positioned.

As shown in figure 1, the reaction box shell 1 is externally provided with a jacket shell 3. A closed thermal interlayer 4 is formed between the jacket shell 3 and the reaction box shell 1. The jacket shell 3 is provided with a jacket shell circulating liquid outlet 31 and a jacket shell circulating liquid inlet 32. The reaction enclosure 1 shown includes an enclosure body 12 for housing the dispersion assembly 22, an enclosure cover 13 at the top of the enclosure body 12, and a tapered bottom 14 at the bottom of the enclosure body. The cabinet body 12, the cabinet lid 13 and the conical bottom 14 are shown as being integrally connected and sealed. The bottom of the conical bottom 14 is provided with a closable discharge hole 14-1. The jacket shell circulating liquid outlet 31 corresponds to the upper part of the outer side wall of the box shell body 12, is not lower than the highest position of the dispersing component 22, and is positioned at the corresponding position of the box cover. The jacket shell circulating liquid inlet 32 corresponds to the outer side wall of the conical bottom 14 and is positioned at the lowest part of the conical bottom 14. The rotating shaft 21 penetrates through the thermal interlayer 4 and corresponds to the center of the case cover. The connection mode of the rotating shaft 3 and the case cover 13 is a detachable connection mode. Case lid 13 can be dismantled, be convenient for wash the inside agitated vessel of case shell and change. The material inlet 11 vertically penetrates through the thermal interlayer 4 and is distributed on two sides of the rotating shaft 21. The shown rotating apparatus further comprises a vacuum pump interface 15 on the casing cover 13. The vacuum pump interface 15 penetrates through the thermal interlayer 4 and is connected with the interior of the reaction box shell 1.

Wherein the discrete elements 22-1b are bristles of flexible polymeric material.

Wherein the support bar 22-1a is detachably connected with the rotating shaft 21.

The reaction box shell 1 is made of metal materials easy to conduct heat, and the jacket shell 3 is made of heat-insulating materials.

Example 2

The present embodiment is different from embodiment 1 in that the dispersing element 22-1b of the present embodiment is a brush piece made of flexible polymer material, as shown in fig. 4, and the effect is the same as that of the above embodiment. The brush piece is more suitable for stirring harder materials.

The use method of the rotating equipment comprises the following steps:

s1, starting a motor connected with the rotating shaft 21 to enable the rotating device 2 to idle; starting a vacuum pump connected with a vacuum pump interface 15 to pump air and reduce pressure in the reaction box shell 1, so that the interior of the reaction box shell meets the vacuum requirement during reaction;

s2, injecting circulating liquid with temperature into the hot interlayer 4 through the circulating liquid inlet 32 of the jacket shell, and flowing out through the circulating liquid outlet 31 of the jacket shell for continuous circulation so as to enable the temperature in the reaction box shell 1 to reach the standard;

s3, filling different materials into the reaction box shell 1 through each material inlet 11, so that each material falls into the movable area where the protrusion of a dispersion element 22-1b in the reaction box shell is located, and controlling the feed rate to achieve the control of the mixture ratio; then, the rotating speed of the motor is adjusted, the materials are mixed and distributed, the circulating liquid with temperature circulates in the thermal interlayer 4, and the materials in the reaction box shell 1 are heated by utilizing the heat conductivity of the metal materials, so that the materials are fully reacted;

s4, after the treatment of the step S3, the obtained products sink in the conical bottom for collection under the action of gravity, and then the discharge hole 14-1 is opened to output the reaction products.

In the above embodiment, the heat transfer efficiency of the sucrose concentration treatment is improved by 50% compared with that of the conventional stirred tank under the same experimental conditions, and the reaction efficiency of the equipment used for the pre-treatment of sucralose is improved by 28% compared with that of the conventional stirred tank under the same experimental conditions. The equipment is used for the biological treatment of the gold concentrate, the mass of the rotor is reduced by 80%, the energy consumption of the motor is reduced by more than 60%, the damage to microorganisms can be greatly reduced in the biological reaction process, and the biochemical reaction efficiency is improved by 12% when the equipment is used for the treatment of the microorganism wastewater.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rotary equipment, includes reaction box shell (1), places rotating device (2) in reaction box shell (1), provides the motor of kinetic energy and the vacuum pump of being connected with reaction box shell to rotating device (2), its characterized in that: the rotating device (2) comprises a rotating shaft (21) which is vertically arranged and a dispersing assembly (22) which is arranged on the rotating shaft (21) and is of a fractal geometric structure; the dispersion assembly (22) comprises a plurality of dispersion layers (22-1) arranged on the rotating shaft (21), each dispersion layer comprises a plurality of support rods (22-1 a) radially arranged on the rotating shaft (21) and dispersion elements (22-1 b) positioned on the support rods; one end of each dispersing element (22-1 b) close to the rotating shaft (21) is provided with a protruding part, and the protruding parts on the dispersing layers on the upper layer are more distant from the rotating shaft (21) than the protruding parts on the dispersing layers on the lower layer; the rotating equipment further comprises a plurality of material inlets (11) which are positioned on the reaction box shell (1) and above the dispersing component (22), and each material inlet (11) corresponds to an active area where the protruding part is positioned.

2. A rotary apparatus as claimed in claim 1, wherein: a jacket shell (3) is arranged outside the reaction box shell (1); a closed heat conduction interlayer (4) is formed between the jacket shell (3) and the reaction box shell (1); the jacket shell (3) is provided with at least one jacket shell circulating liquid outlet (31) and at least one jacket shell circulating liquid inlet (32).

3. A rotary apparatus as claimed in claim 2, wherein: the reaction tank shell (1) comprises a tank shell body (12) used for installing the dispersion component (22), a tank shell cover (13) positioned at the top of the tank shell body (12) and a conical bottom (14) positioned at the bottom of the tank shell body; the box shell body (12), the box shell cover (13) and the conical bottom (14) are integrally connected; the bottom of the conical bottom (14) is provided with a closable discharge hole (14-1).

4. A rotary apparatus as claimed in claim 3, wherein: the jacket shell circulating liquid outlet (31) is arranged at the upper part of the outer side wall of the jacket shell (3) and is not lower than the highest part of the dispersion assembly (22); the jacket shell circulating liquid inlet (32) is arranged at the lower part of the outer side wall of the jacket shell (3) and corresponds to the conical bottom (14).

5. A rotary apparatus as claimed in claim 1 or 3, wherein: the material inlets (11) are symmetrically distributed around the rotating shaft (21).

6. A rotary apparatus as claimed in claim 1, wherein: the dispersing element (22-1 b) is a brush piece made of flexible high polymer material.

7. A rotary apparatus as claimed in claim 1, wherein: the support rod (22-1 a) is detachably connected with the rotating shaft (21).

8. A rotary apparatus as claimed in claim 2, wherein: the reaction box shell (1) is a metal box shell, and the jacket shell (3) is a heat-insulating shell.

9. A rotary apparatus as claimed in claim 3, wherein: the rotary equipment also comprises a vacuum pump interface (15) positioned on the box shell cover (13); the vacuum pump interface (15) is communicated with the interior of the reaction box shell (1).