CN108981240B - Centrifugal cone-disc evaporator - Google Patents
Centrifugal cone-disc evaporator Download PDFInfo
- Publication number
- CN108981240B CN108981240B CN201811035699.XA CN201811035699A CN108981240B CN 108981240 B CN108981240 B CN 108981240B CN 201811035699 A CN201811035699 A CN 201811035699A CN 108981240 B CN108981240 B CN 108981240B
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- evaporation
- shell
- tray
- evaporation tray
- refrigerant
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- 238000001704 evaporation Methods 0.000 claims abstract description 97
- 230000008020 evaporation Effects 0.000 claims abstract description 90
- 239000002826 coolant Substances 0.000 claims abstract description 35
- 239000003507 refrigerant Substances 0.000 claims description 96
- 238000005192 partition Methods 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
- F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a centrifugal cone disc type evaporator which comprises a shell, a speed reducing motor, a rotating shaft and an evaporation disc, wherein the shell is longitudinally arranged, the rotating shaft is longitudinally arranged on the shell, the speed reducing motor is arranged at the top of the shell and is correspondingly connected with the rotating shaft through a rotary joint, a cooling medium inlet is further formed in the top of the shell, a cooling medium outlet is formed in the bottom of the shell, the evaporation disc is folded into a conical structure through a pillow-shaped heat exchange plate, the evaporation disc comprises a first evaporation disc and a second evaporation disc, a through hole structure of the first evaporation disc is arranged on the rotating shaft, the edge of the first evaporation disc is arranged on the inner wall of the shell in a clearance mode, and the edge of the second evaporation disc is arranged on the inner wall of the shell in a clearance mode with the rotating shaft. The invention not only meets the requirement of heat transfer enhancement, but also has small resistance of the evaporating pan and is not easy to produce dirt; the heat exchange is more sufficient and efficient; the expansibility is strong; the modular design, vertical installation, compact structure, area is little, and operating mode adaptability is strong.
Description
Technical Field
The invention relates to a centrifugal cone-disc evaporator.
Background
The evaporator has various types and forms and is widely applied to the industries of chemistry and chemical engineering, refrigeration and heating ventilation, food, medicine and the like. In a gas compression refrigeration cycle, the evaporator is one of four major components of the overall system; in the processes of directly preparing the product by concentrating the dilute solution, preparing the solid product by reprocessing the concentrated solution (such as cooling crystallization), concentrating the solution, recovering the solvent and the like, an evaporator is required to achieve the final purpose.
Disclosure of Invention
The invention aims to provide a heat transfer evaporator which meets the requirement of heat transfer enhancement, has small evaporation pan resistance and is not easy to produce dirt; the heat exchange is more sufficient and efficient; the expansibility is strong; and the centrifugal cone-disc evaporator has the advantages of modularized design, vertical installation, compact structure, small occupied area and strong working condition adaptability.
The centrifugal cone disc type evaporator comprises a shell, a speed reducing motor, a rotating shaft and an evaporation disc, wherein the shell is longitudinally arranged, lugs are arranged on two sides of the upper end of the shell, the lower end of the shell is fixedly supported through supporting legs, the rotating shaft is longitudinally arranged on the shell, the speed reducing motor is arranged at the top of the shell and is correspondingly connected with the rotating shaft through a rotary joint, a cooling medium inlet is further arranged at the top of the shell, a cooling medium outlet is arranged at the bottom of the shell, a valve is arranged at the cooling medium outlet of the shell, the evaporation disc is folded into a conical structure through a pillow-shaped heat exchange plate, at the moment, the middle of the evaporation disc is provided with a through hole structure, gaps on two sides are formed to form a separation groove, the evaporation disc comprises a first evaporation disc and a second evaporation disc, the taper angle of the first evaporation disc is upwards arranged, the through hole structure of the first evaporation disc is arranged on the rotating shaft, the edge of the second evaporation disc is downwards arranged with the gap on the inner wall of the shell, and the edge of the second evaporation disc is downwards arranged on the inner wall of the shell.
In a preferred embodiment of the invention, an access opening is arranged on one side of the bottom of the shell.
In a preferred embodiment of the invention, a plurality of annular partitions are arranged on the concentric circles on the evaporation pan.
In a preferred embodiment of the present invention, one end of any one of the annular partitions is connected to the partition end of the evaporation tray, and the connection between the adjacent annular partitions and the partition end is different.
In a preferred embodiment of the present invention, a first refrigerant outlet is disposed on one side of the edge of the first evaporation pan, and a first refrigerant inlet is disposed on one side of the through hole structure.
In a preferred embodiment of the present invention, a first refrigerant outlet manifold and a first refrigerant inlet manifold are disposed in the rotating shaft, a first refrigerant outlet of the first evaporation pan is connected to the first refrigerant outlet manifold, and a first refrigerant inlet is connected to the first refrigerant inlet manifold.
In a preferred embodiment of the present invention, a second refrigerant outlet is disposed at an edge of the second evaporation pan, and a second refrigerant inlet is disposed at one side of the through hole structure.
In a preferred embodiment of the present invention, a second refrigerant outlet manifold and a second refrigerant inlet manifold are disposed on the housing, a second refrigerant outlet of the second evaporation pan is connected to the second refrigerant outlet manifold, and a second refrigerant inlet is connected to the second refrigerant inlet manifold.
In a preferred embodiment of the present invention, the second refrigerant outlet manifold is correspondingly connected to the first refrigerant inlet manifold, and the second refrigerant inlet manifold is correspondingly connected to the first refrigerant outlet manifold.
In a preferred embodiment of the invention, the first and second evaporation trays are provided with at least 1 set.
The centrifugal cone-disc evaporator meets the requirement of heat transfer enhancement, and has small evaporation disc resistance and is not easy to produce dirt; the heat exchange is more sufficient and efficient; the expansibility is strong; the modular design, vertical installation, compact structure, area is little, and operating mode adaptability is strong.
Drawings
FIG. 1 is a schematic view of a centrifugal cone-tray evaporator according to a preferred embodiment of the invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic diagram showing the flow of cooling medium in a preferred embodiment of a centrifugal cone-disc evaporator according to the present invention;
FIG. 5 is a schematic view showing the structure of an evaporation tray in a preferred embodiment of a centrifugal cone-tray evaporator according to the present invention;
fig. 6 is a schematic view showing still another structure of an evaporation tray in a preferred embodiment of a centrifugal cone-tray evaporator according to the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the invention is provided to enable those skilled in the art to more readily understand the advantages and features of the invention and to make a clear and concise definition of the scope of the invention.
The invention discloses a centrifugal cone disc type evaporator, as shown in fig. 1 and 2-5, the centrifugal cone disc type evaporator comprises a shell 1, a gear motor 2, a rotating shaft 3 and an evaporation disc, wherein the shell 1 is longitudinally arranged, support lugs 4 are arranged on two sides of the upper end of the shell 1, the lower end of the shell 1 is fixedly supported by support legs 5, the rotating shaft 3 is longitudinally arranged on the shell 1, the gear motor 2 is arranged at the top of the shell 1 and is correspondingly connected with the rotating shaft 3 by a rotary joint 6, the top of the shell 1 is also provided with a cooling medium inlet 7, the bottom of the shell is provided with a cooling medium outlet 8, the shell 1 is provided with a valve 9 at the cooling medium outlet 8, the evaporation disc is arranged in a conical structure through a pillow-shaped heat exchange plate, at this moment, the middle of the evaporation disc is provided with a through hole structure 10, cone angles of the two sides are arranged upwards, the through hole structure 10 of the first disc 12 is arranged on the shell 3, the edge of the through hole structure 10 of the first disc 12 is arranged on the inner wall of the shell 1, the second cone angle 13 is arranged on the inner wall of the rotating shaft 13 downwards, and the evaporation disc is arranged on the inner wall of the rotating shaft 13 is arranged on the cone angle structure of the rotating shaft 13.
An access opening 14 is formed in one side of the bottom of the shell 1, so that workers can conveniently enter for overhaul.
A plurality of annular partitions 15 are arranged on the evaporation pan in concentric circles.
One end of any annular partition 15 is connected with the end of the partition groove 11 of the evaporation tray, and the connection between two adjacent annular partitions 15 and the end of the partition groove 11 is different.
A first refrigerant outlet 16 is arranged on one side of the edge of the first evaporation pan 12, and a first refrigerant inlet 17 is arranged on one side of the through hole structure 10.
A first refrigerant outlet main pipe 18 and a first refrigerant inlet main pipe 19 are arranged in the rotating shaft 3, a first refrigerant outlet 16 of the first evaporation disc 12 is connected to the first refrigerant outlet main pipe 18, and a first refrigerant inlet 17 is connected to the first refrigerant inlet main pipe 19.
The edge of the second evaporation pan 13 is provided with a second refrigerant outlet 20, and one side of the through hole structure 10 is provided with a second refrigerant inlet 21.
The shell 1 is provided with a second refrigerant outlet header pipe 22 and a second refrigerant inlet header pipe 23, a second refrigerant outlet 20 of the second evaporation pan 12 is connected to the second refrigerant outlet header pipe 22, and a second refrigerant inlet 21 is connected to the second refrigerant inlet header pipe 23.
The second refrigerant outlet manifold 22 is correspondingly connected with the first refrigerant inlet manifold 19, and the second refrigerant inlet manifold 23 is correspondingly connected with the first refrigerant outlet manifold 18.
The first evaporation pan 12 and the second evaporation pan 13 are provided with at least 1 group.
The cooling medium enters the evaporator from the upper end cooling medium inlet, falls onto the evaporation tray under the action of gravity, transfers heat to the refrigerant through the wall-to-wall heat exchange, and is discharged from the bottom cooling medium outlet after cooling, so that the purpose of cooling is achieved.
The refrigerant enters the refrigerant inlets of the evaporation trays from the refrigerant inlet header pipe, flows out from the refrigerant outlets, and is collected to the refrigerant outlet header pipe to absorb heat emitted by the cooling medium.
After the cooling medium enters the evaporator from the cooling medium inlet, the cooling medium flows onto the first evaporation tray after being split from the top, the first evaporation tray is connected with the rotating shaft and driven by the gear motor to do circular motion, the cooling medium is further subjected to the centrifugal force effect caused by the rotation of the first evaporation tray, the flow of the cooling medium on the first evaporation tray is lengthened under the action of the combined force of gravity and centrifugal force, and the heat exchange effect is enhanced. The cooling medium transfers heat to the outer wall of the first evaporation tray in a heat conduction mode, the heat is transferred to the inner wall surface of the first evaporation tray along the outer wall surface of the first evaporation tray, and finally the heat is taken away by the refrigerant in the first evaporation tray in a convection heat transfer mode, so that the cooling medium completes primary heat exchange.
The cooling medium flowing down from the first evaporation pan falls onto a second evaporation pan, which is similar in construction to and larger than the first evaporation pan and is arranged in an opposite manner. The second evaporation tray is connected with the shell of the evaporator, and a certain gap is reserved between the second evaporation tray and the rotating shaft, so that the cooling medium can smoothly fall onto the first evaporation tray of the next stage along the rotating shaft from the second evaporation tray, and the flow schematic diagram of the cooling medium is shown in figure 4.
The cooling amplitude of the cooling medium can be ensured by the flow of the cooling medium and the temperature of the refrigerant, and the treatment capacity of the cooling medium can be adjusted by the size of the shell.
Another heat exchange medium, namely a refrigerant, of the evaporator flows in the evaporating pan.
The evaporating pan is formed by overlapping two metal plates and then penetrating and welding the two metal plates together through laser, then folding the evaporating pan into a certain cone angle according to the viscosity and the flow characteristic of the cooling medium, finally introducing high-pressure fluid between the metal plates to expand to form an internal heat exchange medium channel, and the surface of the evaporating pan is wavy, so that the surface update speed of the cooling medium in the flowing process is increased, the heat exchange of the cooling medium is more uniform, and the heat exchange efficiency is higher.
A first refrigerant outlet 16, and a first refrigerant inlet 17 is disposed on one side of the through hole structure 10.
A first refrigerant outlet main pipe 18 and a first refrigerant inlet main pipe 19 are arranged in the rotating shaft 3, a first refrigerant outlet 16 of the first evaporation disc 12 is connected to the first refrigerant outlet main pipe 18, and a first refrigerant inlet 17 is connected to the first refrigerant inlet main pipe 19.
The edge of the second evaporation pan 13 is provided with a second refrigerant outlet 20, and one side of the through hole structure 10 is provided with a second refrigerant inlet 21.
The shell 1 is provided with a second refrigerant outlet header pipe 22 and a second refrigerant inlet header pipe 23, a second refrigerant outlet 20 of the second evaporation pan 12 is connected to the second refrigerant outlet header pipe 22, and a second refrigerant inlet 21 is connected to the second refrigerant inlet header pipe 23.
The refrigerant enters the evaporation tray from the refrigerant inlet and flows out from the refrigerant outlet along the circumferential circulation channel; the first refrigerant outlet and the first refrigerant inlet of the first evaporation tray are connected to a first refrigerant outlet main pipe and a first refrigerant inlet main pipe in the rotating shaft, and the second refrigerant outlet and the second refrigerant inlet of the second evaporation tray are connected to a second refrigerant outlet main pipe and a second refrigerant inlet main pipe outside the shell.
As shown in fig. 5 and 6, the evaporation tray has various patterns, and can be made into flow channels, pillow patterns and the like, and the structures of the evaporation tray such as the number of flow channels, the blowing height, the appearance length and width, the distance and the number of flow channels, the type of medium, the positions and the pipe diameters of inlets and outlets and the like need to be strictly designed by combining specific working condition parameters and experience accumulation so as to ensure that the performance of the whole evaporator is always in a high-efficiency state point.
The invention discloses a centrifugal cone-disc evaporator, which has the following advantages:
1. The evaporator consists of an evaporation tray made of a certain number of pillow-shaped heat exchange plates, wherein the evaporation tray is formed by superposing two metal plates, penetrating and welding the two metal plates together through laser, folding the metal plates into a certain cone angle, and finally expanding the metal plates through high-pressure fluid to form an internal heat exchange medium channel, so that the surface of the evaporation tray is wavy and very smooth, thereby meeting the requirement of heat transfer enhancement, and simultaneously having small evaporation tray resistance and being not easy to produce dirt;
2. the cooling medium slides over the evaporation tray under the action of gravity and centrifugal force, so that the flow track of the cooling medium on the evaporation tray is lengthened, and the heat exchange is more sufficient and efficient;
3. The number and the cone angle of the evaporating discs can be designed and arranged according to the performance and the technological requirements of the cooling medium, so that the expansibility is high;
4. The modular design, vertical installation, compact structure, area is little, and operating mode adaptability is strong.
The foregoing is merely illustrative of the embodiments of the present invention, and the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art without departing from the inventive concept are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (8)
1. The utility model provides a centrifugal cone disc evaporator, includes casing, gear motor, pivot and evaporating dish, the casing vertically sets up, casing upper end both sides are provided with the journal stirrup, the casing lower extreme passes through landing leg fixed support, the pivot vertically sets up on the casing, gear motor sets up in the casing top and corresponds with the pivot through rotary joint and be connected, the casing top still is provided with the cooling medium import, and the bottom is provided with the cooling medium export, the casing is provided with the valve at cooling medium exit, its characterized in that: the evaporation tray is folded into a conical structure through the pillow-shaped heat exchange plate, at the moment, the middle of the evaporation tray is provided with a through hole structure, gaps on two sides of the evaporation tray are provided with separation grooves, the evaporation tray comprises a first evaporation tray and a second evaporation tray, the cone angle of the first evaporation tray is upward, the through hole structure of the first evaporation tray is arranged on a rotating shaft, the edge of the first evaporation tray is arranged with a gap on the inner wall of a shell, the cone angle of the second evaporation tray is downward, the edge of the second evaporation tray is arranged on the inner wall of the shell, and the through hole structure is arranged with the gap of the rotating shaft;
an access hole is formed in one side of the bottom of the shell, and a plurality of annular partitions are arranged on the evaporation tray in a concentric circle mode.
2. The centrifugal cone-tray evaporator according to claim 1, wherein: one end of any annular partition is connected with the partition groove end of the evaporation tray, and the connection between two adjacent annular partitions and the partition groove end is different.
3. The centrifugal cone-tray evaporator according to claim 1, wherein: the side of the edge of the first evaporation tray is provided with a first refrigerant outlet, and one side of the through hole structure is provided with a first refrigerant inlet.
4. A centrifugal cone-disc evaporator according to claim 3, wherein: the rotary shaft is internally provided with a first refrigerant outlet main pipe and a first refrigerant inlet main pipe, a first refrigerant outlet of the first evaporation tray is connected to the first refrigerant outlet main pipe, and a first refrigerant inlet is connected to the first refrigerant inlet main pipe.
5. The centrifugal cone-tray evaporator according to claim 1, wherein: the edge of the second evaporation disc is provided with a second refrigerant outlet, and one side of the through hole structure is provided with a second refrigerant inlet.
6. The centrifugal cone-tray evaporator according to claim 5, wherein: the shell is provided with a second refrigerant outlet main pipe and a second refrigerant inlet main pipe, a second refrigerant outlet of the second evaporation tray is connected to the second refrigerant outlet main pipe, and a second refrigerant inlet is connected to the second refrigerant inlet main pipe.
7. The centrifugal cone-tray evaporator according to claim 6, wherein: the second refrigerant outlet header pipe is correspondingly connected with the first refrigerant inlet header pipe, and the second refrigerant inlet header pipe is correspondingly connected with the first refrigerant outlet header pipe.
8. A centrifugal cone-disc evaporator according to claim 3, wherein: the first and second evaporation trays are provided with at least 1 group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811035699.XA CN108981240B (en) | 2018-09-06 | 2018-09-06 | Centrifugal cone-disc evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811035699.XA CN108981240B (en) | 2018-09-06 | 2018-09-06 | Centrifugal cone-disc evaporator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108981240A CN108981240A (en) | 2018-12-11 |
| CN108981240B true CN108981240B (en) | 2024-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811035699.XA Active CN108981240B (en) | 2018-09-06 | 2018-09-06 | Centrifugal cone-disc evaporator |
Country Status (1)
| Country | Link |
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| CN (1) | CN108981240B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115540373B (en) * | 2022-09-21 | 2023-06-13 | 广州特域机电有限公司 | Energy-saving industrial water chiller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4640345A (en) * | 1984-10-10 | 1987-02-03 | Jinichi Nishimura | Rotating heat exchanger |
| US4770236A (en) * | 1987-03-18 | 1988-09-13 | Blaw-Knox Food & Chemical Equipment Co. | Rotary dryer |
| CN2884119Y (en) * | 2006-03-31 | 2007-03-28 | 乐逸涛 | Rotary type heat recovering apparatus |
| CN208817770U (en) * | 2018-09-06 | 2019-05-03 | 苏州协宏泰节能科技有限公司 | A kind of centrifugal cone disc evaporator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9243850B1 (en) * | 2013-02-07 | 2016-01-26 | Hy-Tek Manufacturing Company, Inc. | Rotary high density heat exchanger |
-
2018
- 2018-09-06 CN CN201811035699.XA patent/CN108981240B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4640345A (en) * | 1984-10-10 | 1987-02-03 | Jinichi Nishimura | Rotating heat exchanger |
| US4770236A (en) * | 1987-03-18 | 1988-09-13 | Blaw-Knox Food & Chemical Equipment Co. | Rotary dryer |
| CN2884119Y (en) * | 2006-03-31 | 2007-03-28 | 乐逸涛 | Rotary type heat recovering apparatus |
| CN208817770U (en) * | 2018-09-06 | 2019-05-03 | 苏州协宏泰节能科技有限公司 | A kind of centrifugal cone disc evaporator |
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| Publication number | Publication date |
|---|---|
| CN108981240A (en) | 2018-12-11 |
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