CN113082758A - Device for strengthening gas-liquid mass and heat transfer - Google Patents
Device for strengthening gas-liquid mass and heat transfer Download PDFInfo
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- CN113082758A CN113082758A CN202110548814.9A CN202110548814A CN113082758A CN 113082758 A CN113082758 A CN 113082758A CN 202110548814 A CN202110548814 A CN 202110548814A CN 113082758 A CN113082758 A CN 113082758A
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- rotor
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- heat transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/324—Tray constructions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
Abstract
The invention discloses a device for strengthening gas-liquid mass and heat transfer, which comprises a cylinder body and is characterized in that: be equipped with stator-rotor group and central main shaft in the barrel, barrel upper portion is equipped with inlet and gas outlet, the barrel lower part is equipped with liquid outlet and air inlet, stator-rotor group is including the stator that distributes from top to bottom, go up rotor and rotor down, the stator excircle is connected on the barrel inner wall, be equipped with first coil pipe on the stator up end, be equipped with the honeycomb duct in the centre bore of stator, go up the rotor, rotor and main shaft linkage down, be equipped with a plurality of rings of upper rotor baffling boards of radial interval distribution and a plurality of gaseous vortex spare of circumference interval distribution on the upper end of upper rotor, be equipped with a plurality of rings of lower rotor baffling boards of radial interval distribution and a plurality of liquid vortex spare of circumference interval distribution on the lower rotor up end, the inboard of the lower rotor baffling board of inner circle is. The invention has the advantages of high mass and heat transfer efficiency, large treatment capacity and energy saving.
Description
Technical Field
The invention relates to an improved invention in the field of gas-liquid mass and heat transfer in a supergravity environment, in particular to an improved invention of a device for strengthening gas-liquid mass and heat transfer.
Background
The mass and heat transfer and reaction among multiphase flows are one of the most basic processes in the production of chemical industry, pharmacy, environmental protection and other industries, and are generally carried out in a tower or a reaction kettle, and the mass and heat transfer efficiency of gas-liquid or liquid-liquid in the tower is low, so that the equipment is large in size. The supergravity technology increases acceleration by centrifugal force generated by high-speed rotation, simulates supergravity environment, realizes the reinforcement of micro mixing and mass and heat transfer processes, and has the advantages of miniaturization of equipment, high efficiency, low energy consumption, wide applicability and the like. As can be known by examining the Chinese patent network, the baffling type high-gravity-field rotating bed device disclosed in the Chinese patent CN01268009.5 has the advantages of strengthening gas-liquid mass and heat transfer, but low efficiency, small device handling capacity and large equipment pressure drop, and cannot be applied to large handling capacity and continuous production; the supergravity rotating bed device disclosed in the chinese patent CN205145645U has short gas-liquid retention time of the packed rotor, poor applicability, requires two devices to be connected in series for rectification, and cannot control the temperature inside the devices and adjust and strengthen the gas-liquid retention time according to the process requirements.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a device for strengthening gas-liquid mass and heat transfer, which has high efficiency, low energy consumption and large treatment capacity.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme: the device for strengthening gas-liquid mass and heat transfer comprises a cylinder body and is characterized in that: the cylinder is internally provided with a stator-rotor group and a central main shaft, the upper part of the cylinder is provided with a liquid inlet and a gas outlet, the lower part of the cylinder is provided with a liquid outlet and a gas inlet, the stator-rotor group comprises a stator, an upper rotor and a lower rotor which are distributed up and down, the excircle of the stator is connected on the inner wall of the cylinder, the upper end face of the stator is provided with a first coil pipe, a guide pipe which is communicated up and down is uniformly arranged in the central hole of the stator, the upper rotor is arranged on the lower rotor, the center of the lower rotor is fixedly sleeved on the main shaft, the lower end face of the upper rotor is provided with a plurality of upper rotor baffle plates which are distributed at intervals in the radial direction and a plurality of gas turbulence members which are distributed at intervals in the circumferential direction, the upper end face of the lower rotor is provided with, the inner side of the lower rotor baffle plate at the innermost circle is provided with a liquid distributor, the lower end of the corresponding guide pipe is positioned in the liquid distributor, the axial distance between the upper rotor and the lower rotor is larger than the height of the upper rotor baffle plate and the lower rotor baffle plate, and the upper rotor baffle plate and the lower rotor baffle plate are arranged in a staggered and nested manner.
And a second coil pipe and a heat-insulating layer are arranged on the outer wall of the cylinder body, and the second coil pipe is coated in the heat-insulating layer.
The stator and rotor set is provided with 1-5 layers distributed axially.
And the middle part of the cylinder body is also provided with a stock solution inlet which is positioned between the two layers of stator and rotor groups.
The liquid distributor is provided with an inverted triangle small hole or a small hole at the lower part of the upper big hole.
The number of the gas turbulence member, the number of the upper rotor baffle plate, the number of the liquid turbulence member and the number of the lower rotor baffle plate are respectively 2-10.
The aperture of the small hole at the upper part of the lower rotor baffle plate is larger than that of the small hole at the lower part.
The small hole is arranged at the lower part of the upper rotor baffle plate.
The improved device for strengthening gas-liquid mass and heat transfer has the advantages that the upper and lower baffles are concentrically arranged on the upper and lower rotors in a staggered and nested manner at a certain interval to provide a gas-liquid circulation and contact channel, small holes are formed in the baffles of the upper and lower rotors to reduce gas phase resistance, the upper and lower rotors rotate together with the main shaft to enable liquid on the baffles of the upper and lower rotors to be sheared and thrown away, the treatment capacity is improved, the accumulation of the liquid in the upper and lower rotors is reduced, the gas spoilers and the liquid spoilers are respectively arranged on the upper and lower rotors to further strengthen the gas-liquid contact process, the gas-liquid mass and heat transfer efficiency is improved, and the coil pipes arranged on the cylinder body and the stator plate can heat or cool the inside of the device, so. Therefore, the invention has the advantages of high gas-liquid or liquid-liquid mass and heat transfer efficiency, large treatment capacity and energy saving.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view a-a of fig. 1 of the present invention.
FIG. 3 is a structural view of an upper rotor of the present invention.
FIG. 4 is a view showing the construction of the lower rotor of the present invention.
Fig. 5 is a partial structural view of an upper rotor baffle plate according to the present invention.
FIG. 6 is a partial view of a rotor baffle according to the present invention.
Fig. 7 is a partial structural view of a liquid distributor according to the present invention.
FIG. 8 is a partial block diagram of a liquid distributor according to the present invention.
Detailed Description
The drawings show the structure of the invention, and the details thereof are further described below with reference to the drawings. In this embodiment, referring to fig. 1-4, the device for enhancing gas-liquid mass and heat transfer includes a cylinder 1, the cylinder 1 is mounted on a base 4, a stator-rotor set and a central spindle 2 are disposed in the cylinder 1, the spindle 2 is mounted on a bearing seat 14 and driven by a motor 3 to rotate at a rotation speed of 0-1200RPM, a liquid inlet 25 and a gas outlet 24 are disposed at an upper portion of the cylinder 1, a liquid outlet 21 and a gas inlet 20 are disposed at a lower portion of the cylinder 1, the stator-rotor set includes a stator 5, an upper rotor 6 and a lower rotor 11 which are vertically distributed, an outer circle of the stator 5 is connected to an inner wall of the cylinder 1, a first coil 16 is disposed on an upper end surface of the stator 5, a vertically-communicated flow guide pipe 12 is uniformly disposed in a central hole of the stator 5, the upper rotor 6 is mounted on the lower rotor 11 through a, the upper rotor 6 and the lower rotor 11 rotate along with the main shaft 2, gaps are reserved between the corresponding upper rotor 6, the corresponding lower rotor 11 and the inner wall of the cylinder 1, a plurality of upper rotor baffle plates 8 which are distributed at intervals in the radial direction and a plurality of gas turbulence members 7 which are distributed at intervals in the circumferential direction are arranged on the lower end face of the upper rotor 6, the rotor baffle plates 8 on the plurality of upper rings are concentrically arranged, the gas turbulence members 7 are radially arranged, the gas turbulence members 7 are rectangular baffles with a certain height, small holes are uniformly formed in the upper rotor baffle plates 8, a plurality of lower rotor baffle plates 9 which are distributed at intervals in the radial direction and a plurality of liquid turbulence members 10 which are distributed at intervals in the circumferential direction are arranged on the upper end face of the lower rotor 11, the liquid turbulence members 10 are rectangular baffles with a certain height, the plurality of lower rotor baffle plates 9 are concentrically arranged, the liquid turbulence members 10, the inner side of the lower rotor baffle plate 9 at the innermost circle is provided with a liquid distributor 13, the lower end of the corresponding draft tube 12 is positioned in the liquid distributor 13, liquid passing through a first coil pipe 16 above the stator 5 is guided into the liquid distributor 13, the axial distance between the upper rotor 6 and the lower rotor 11 is larger than the height between the upper rotor baffle plate 8 and the lower rotor baffle plate 9, and the upper rotor baffle plate 8 and the lower rotor baffle plate 9 are arranged in a staggered and nested manner.
As a specific embodiment of further improvement, the second coil 27 and the heat-insulating layer 15 are arranged on the outer wall of the cylinder 1, the second coil 27 is wrapped in the heat-insulating layer 15, and steam heating or circulating water cooling can be introduced into the second coil 27 to further enhance the heat exchange effect in the cylinder 1. The second coil 27 and the first coil 16 are both provided with a coil inlet 22 and a coil outlet 26, the coil inlet 22 and the coil outlet 26 are disposed on the cylinder 1, and the first coil 16 and the second coil 27 can be communicated with each other and share one coil inlet 22.
As a further improved specific implementation mode, the stator and rotor sets are provided with 1-5 layers distributed axially, the number of layers of the stator and rotor sets can be set reasonably according to actual production needs, and the mass and heat transfer effects are guaranteed.
As a specific embodiment of further improvement, the middle part of the cylinder 1 is further provided with a stock solution inlet 23, and the stock solution inlet 23 is positioned between two layers of stator and rotor sets and can be filled with liquid together with the liquid inlet hole 25 to realize continuous and uninterrupted gas-liquid mass and heat transfer.
As a further improved embodiment, referring to fig. 7-8, the liquid distributor 13 is provided with inverted triangular small holes or small holes at the lower part of the upper large hole, and the liquid distributor 13 is suitable for uniform distribution of liquid under different flow rates, and uniform distribution of liquid in the rotor is beneficial to improving the mass and heat transfer efficiency.
As a specific embodiment of further improvement, 2-10 gas turbulence members 7, upper rotor baffle plates 8, liquid turbulence members 10 and lower rotor baffle plates 9 are respectively arranged, the number can be reasonably set according to actual production requirements, and the mass and heat transfer effects are ensured.
As a further improved embodiment, referring to fig. 6, the diameter of the upper small hole of the lower rotor baffle plate 9 is larger than that of the lower small hole.
As a further improved embodiment, referring to fig. 5, the lower part of the upper rotor baffle 8 is provided with the small holes.
When the invention is used for rectification, purified reflux liquid enters a cylinder body 1 from a liquid inlet, flows on a stator 5 plate in a zigzag manner to exchange heat with a first coil pipe 16, steam heating or circulating water cooling can be introduced into the first coil pipe 16, then the liquid is uniformly distributed on a lower rotor 11 through a uniformly distributed guide pipe 12, the liquid flows into a liquid distributor 13 of the lower rotor 11, a main shaft 2, an upper rotor 6 and the lower rotor 11 rotate together to generate centrifugal force under the driving of a motor 3, so that the liquid is uniformly distributed in the rotor again under the action of the centrifugal force, is sheared and thrown by a lower rotor baffle plate 9 to become fine liquid drops, liquid filaments impact on an upper rotor baffle plate 8, the liquid is disturbed by a liquid disturbing piece 10 of the lower rotor 11 to strengthen the axial distribution of the liquid, the lower part of the lower rotor baffle plate 9 is provided with small holes, and the upper part is provided with large holes to facilitate axial distribution of different flow rates, the flow fluctuation is prevented, and the mass and heat transfer efficiency is low due to the uneven axial distribution of the liquid in the rotor. After the liquid scatters again and disperses and splashes on the upper rotor baffle plate 8, the part flows to the lower rotor 11 and repeats the previous process again, the part is sheared and thrown away by the upper rotor baffle plate 8, the upper rotor baffle plate 8 is provided with uniform small holes, part of the liquid is centrifugally sheared, the liquid is prevented from being gathered at the part, the equipment processing capacity is improved, the liquid is repeatedly sheared and gathered by the layer baffle plate in the rotor, finally, the liquid flows into a reboiler from a liquid outlet, the liquid heated by the reboiler is gasified and enters the cylinder body 1 from a gas inlet, under the action of pressure difference, the liquid flows from the cylinder body 1 to the center of the rotor along the gap between the upper rotor baffle plate 8 and the lower rotor baffle plate 9 in an S-shaped zigzag manner, the gas spoiler on the upper rotor 6 strengthens the flow of the gas in the rotor, the mass transfer is realized by fully contacting with.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. 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 (8)
1. The device for strengthening gas-liquid mass and heat transfer comprises a cylinder body, and is characterized in that: the cylinder is internally provided with a stator-rotor group and a central main shaft, the upper part of the cylinder is provided with a liquid inlet and a gas outlet, the lower part of the cylinder is provided with a liquid outlet and a gas inlet, the stator-rotor group comprises a stator, an upper rotor and a lower rotor which are distributed up and down, the excircle of the stator is connected on the inner wall of the cylinder, the upper end face of the stator is provided with a first coil pipe, a guide pipe which is communicated up and down is uniformly arranged in the central hole of the stator, the upper rotor is arranged on the lower rotor, the center of the lower rotor is fixedly sleeved on the main shaft, the lower end face of the upper rotor is provided with a plurality of upper rotor baffle plates which are distributed at intervals in the radial direction and a plurality of gas turbulence members which are distributed at intervals in the circumferential direction, the upper end face of the lower rotor is provided with, the inner side of the lower rotor baffle plate at the innermost circle is provided with a liquid distributor, the lower end of the corresponding guide pipe is positioned in the liquid distributor, the axial distance between the upper rotor and the lower rotor is larger than the height of the upper rotor baffle plate and the lower rotor baffle plate, and the upper rotor baffle plate and the lower rotor baffle plate are arranged in a staggered and nested manner.
2. The apparatus for enhancing gas-liquid mass and heat transfer as set forth in claim 1, wherein: and a second coil pipe and a heat-insulating layer are arranged on the outer wall of the cylinder body, and the second coil pipe is coated in the heat-insulating layer.
3. The apparatus for enhancing gas-liquid mass and heat transfer as set forth in claim 1, wherein: the stator and rotor set is provided with 1-5 layers distributed axially.
4. The apparatus for enhancing gas-liquid mass and heat transfer as set forth in claim 3, wherein: and the middle part of the cylinder body is also provided with a stock solution inlet which is positioned between the two layers of stator and rotor groups.
5. The apparatus for enhancing gas-liquid mass and heat transfer as set forth in claim 1, wherein: the liquid distributor is provided with an inverted triangle small hole or a small hole at the lower part of the upper big hole.
6. The apparatus for enhancing gas-liquid mass and heat transfer as set forth in claim 1, wherein: the number of the gas turbulence member, the number of the upper rotor baffle plate, the number of the liquid turbulence member and the number of the lower rotor baffle plate are respectively 2-10.
7. The apparatus for enhancing gas-liquid mass and heat transfer as set forth in claim 1, wherein: the aperture of the small hole at the upper part of the lower rotor baffle plate is larger than that of the small hole at the lower part.
8. The apparatus for enhancing gas-liquid mass and heat transfer as set forth in claim 1, wherein: the small hole is arranged at the lower part of the upper rotor baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110548814.9A CN113082758A (en) | 2021-05-20 | 2021-05-20 | Device for strengthening gas-liquid mass and heat transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110548814.9A CN113082758A (en) | 2021-05-20 | 2021-05-20 | Device for strengthening gas-liquid mass and heat transfer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113082758A true CN113082758A (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110548814.9A Pending CN113082758A (en) | 2021-05-20 | 2021-05-20 | Device for strengthening gas-liquid mass and heat transfer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082391A (en) * | 2021-11-12 | 2022-02-25 | 武汉科技大学 | Self-stabilizing baffling type super-gravity rotating bed |
| CN114212233A (en) * | 2021-10-29 | 2022-03-22 | 中国船舶重工集团公司第七一九研究所 | Inter-board cooler and ship centralized cooling system |
| CN114225450A (en) * | 2021-12-29 | 2022-03-25 | 浙江工业大学 | Integral rotary type hypergravity bed |
-
2021
- 2021-05-20 CN CN202110548814.9A patent/CN113082758A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212233A (en) * | 2021-10-29 | 2022-03-22 | 中国船舶重工集团公司第七一九研究所 | Inter-board cooler and ship centralized cooling system |
| CN114082391A (en) * | 2021-11-12 | 2022-02-25 | 武汉科技大学 | Self-stabilizing baffling type super-gravity rotating bed |
| CN114225450A (en) * | 2021-12-29 | 2022-03-25 | 浙江工业大学 | Integral rotary type hypergravity bed |
| CN114225450B (en) * | 2021-12-29 | 2023-05-23 | 浙江工业大学 | Integral rotary hypergravity bed |
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