CN215766695U - Phase-change waste heat exchanger - Google Patents
Phase-change waste heat exchanger Download PDFInfo
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- CN215766695U CN215766695U CN202121948723.6U CN202121948723U CN215766695U CN 215766695 U CN215766695 U CN 215766695U CN 202121948723 U CN202121948723 U CN 202121948723U CN 215766695 U CN215766695 U CN 215766695U
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Abstract
The utility model discloses a phase-change waste heat exchanger, which relates to the field of heat exchangers and comprises a water tank, wherein an air inlet pipe is fixed at the top of the water tank, heat exchange mechanisms are arranged on two sides of the water tank respectively, and each heat exchange mechanism comprises a metal pipe and transverse radiating fins uniformly fixed on the outer wall of the metal pipe. According to the utility model, through the water pressing mechanism, cold and hot media in the water tank can be quickly mixed, and the piston is driven to do reciprocating motion, so that the heated media can be quickly circulated, the heat exchange efficiency of the device is improved, and the utilization rate of waste heat is improved; high-temperature gas can drive the metal mesh box when flowing rotatoryly, and high-temperature gas passes through the medium that the ventilation pipe can heat the intussuseption of metal mesh box for medium and high-temperature gas's area of contact improves greatly, and the medium passes through the horizontal fin of tubular metal resonator heating, and high-temperature gas can heat vertical fin simultaneously, adopts two kinds of heat exchange forms, makes heat exchange efficiency improve greatly, and high-temperature gas waste heat utilization more abundant.
Description
Technical Field
The utility model relates to the field of heat exchangers, in particular to a phase-change waste heat exchanger.
Background
At present, with the increase of installed capacity of thermal power generation enterprises and the continuous improvement of national environmental standards, various thermal power generation enterprises develop improvement works in aspects of energy conservation, emission reduction, efficiency improvement, environmental protection and the like so as to adapt to market and national environmental requirements, such as low-temperature economizer waste heat recovery improvement, ultra-clean emission standard improvement, flue gas white elimination improvement, flue gas waste heat step recovery improvement and the like. The core of the heat exchanger is around the cascade utilization, comprehensive development and environmental protection promotion of energy, and the key is the efficiency and the adaptability of the heat exchanger. The heat exchanger is indispensable equipment in the thermal engineering industry, and in practical application, the heat exchange efficiency of the heat exchanger often influences the safe operation of system. The traditional air cooling and water cooling usually need a larger heat exchange area, and the investment cost of equipment is increased; although the traditional mixed contact type heat exchanger has high heat exchange efficiency, two media mixed at the same time are difficult to separate due to the fact that impurities are easy to introduce.
Therefore, the Chinese patent (application number 2016214026276.4) proposes a phase-change heat exchanger, two incompatible working media are adopted, the mixing effect is good, and the heat exchanger can run safely and stably; phase change exists in the heat exchange process, heat exchange can be strengthened, but the solution medium of the device does not have fluidity, so that the heat exchange efficiency is poor, meanwhile, the utilization effect of waste heat is poor, and the waste heat recovery efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a phase-change waste heat exchanger.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the phase-change waste heat exchanger comprises a water tank, wherein an air inlet pipe is fixed at the top of the water tank, heat exchange mechanisms are arranged on two sides of the water tank respectively, and each heat exchange mechanism comprises a metal pipe, transverse radiating fins uniformly fixed on the outer wall of the metal pipe, longitudinal radiating fins uniformly inserted into the inner wall of the transverse radiating fins, and a heat absorption assembly connected with the top end of the metal pipe through a guide pipe;
the water tank is internally provided with a water pressing mechanism, the water pressing mechanism comprises a rotating shaft, a turbofan fixed on the outer wall of one end of the rotating shaft, a driving bevel gear fixed at the other end of the rotating shaft, a driven bevel gear meshed with the driving bevel gear, a stirring rod fixed on the inner wall of the driven bevel gear, a first bevel gear fixed on the outer wall of the stirring rod on the inner side of the top of the water tank, a second bevel gear meshed with the first bevel gear, a transmission shaft fixed on the inner wall of the second bevel gear, a rotating rod fixed at one end of the transmission shaft, a connecting rod arranged at the bottom end of the rotating rod through a pin shaft, a piston arranged at the bottom end of the connecting rod through a pin, and stirring blades evenly fixed on the outer wall of the bottom end of the stirring rod.
Preferably, the heat absorption assembly comprises a connecting pipe connected with the top end of the metal pipe through a guide pipe, a metal net box in rotating fit with the connecting pipe, and a ventilation pipe fixed on the inner wall of a mesh hole of the metal net box.
Preferably, the inner walls of the two sides of the air inlet pipe are provided with mounting openings, and the connecting pipe is fixed on the inner wall of the mounting opening.
Preferably, the bottoms of the two sides of the water tank are both provided with water drainage openings, and the bottom ends of the metal pipes are fixed on the inner walls of the water drainage openings.
Preferably, the bottom of the air inlet pipe is provided with symmetrically distributed fixing openings, and the longitudinal radiating fins are fixed on the inner wall of the fixing openings.
Preferably, an installation plate is fixed on the outer wall of one side of the air inlet pipe, and one end of the rotating shaft is fixed on the outer wall of one side of the installation plate through a bearing.
Preferably, the inner wall of the water tank is positioned on two sides of the second bevel gear and is fixed with a support, the support is provided with a mounting hole, and the transmission shaft is fixed on the inner wall of the mounting hole through a bearing.
The utility model has the beneficial effects that:
1. high-temperature gas is led into the air inlet pipe, the turbofan can be driven to rotate, the driving bevel gear is driven to rotate through the rotating shaft, the stirring rod is driven to rotate through the meshed driven bevel gear, cold and hot media in the water tank can be quickly mixed by utilizing the rotating stirring blades, the second bevel gear is driven to rotate through the rotation of the first bevel gear, the transmission shaft and the rotating rod are driven to rotate, the piston is driven to do reciprocating motion by utilizing the connecting rod, the heated media can be quickly circulated, the heat exchange efficiency of the device is improved, and meanwhile, the utilization rate of waste heat is improved;
2. high-temperature gas can drive the metal mesh box when flowing rotatoryly, and high-temperature gas passes through the medium that the ventilation pipe can heat the intussuseption of metal mesh box for medium and high-temperature gas's area of contact improves greatly, and the medium passes through the horizontal fin of tubular metal resonator heating, and high-temperature gas can heat vertical fin simultaneously, adopts two kinds of heat exchange forms, makes heat exchange efficiency improve greatly, and high-temperature gas waste heat utilization more abundant.
Drawings
Fig. 1 is a schematic perspective view of a phase-change waste heat exchanger according to the present invention.
Fig. 2 is a schematic view of a three-dimensional structure of a water pressurizing mechanism of the phase-change waste heat exchanger provided by the utility model.
Fig. 3 is a schematic diagram of an internal three-dimensional structure of the phase-change waste heat exchanger according to the present invention.
Fig. 4 is a schematic perspective view of a heat absorbing assembly of the phase-change waste heat exchanger according to the present invention.
In the figure: the device comprises a water tank 1, an air inlet pipe 2, a heat exchange mechanism 3, a water pressing mechanism 4, a metal pipe 5, a longitudinal cooling fin 6, a transverse cooling fin 7, a turbofan 8, a rotating shaft 9, a driving bevel gear 10, a driven bevel gear 11, a stirring rod 12, a first bevel gear 13, a second bevel gear 14, a transmission shaft 15, a rotating rod 16, a connecting rod 17, a piston 18, a stirring blade 19, a heat absorption assembly 20, a connecting pipe 21, a metal net box 22 and a ventilation pipe 23.
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.
Referring to fig. 1-4, the phase-change waste heat exchanger comprises a water tank 1, an air inlet pipe 2 is fixed at the top of the water tank 1, heat exchange mechanisms 3 are arranged at two sides of the water tank 1, each heat exchange mechanism 3 comprises a metal pipe 5, a transverse radiating fin 7, a longitudinal radiating fin 6 and a heat absorbing assembly 20, the transverse radiating fins 7 are uniformly fixed on the outer wall of the metal pipe 5, the longitudinal radiating fins 6 are uniformly inserted into the inner walls of the transverse radiating fins 7, the heat absorbing assembly 20 comprises a connecting pipe 21 connected with the top end of the metal pipe 5 through a conduit, a metal net box 22 in rotating fit with the connecting pipe 21 and a ventilating pipe 23 fixed on the inner wall of a mesh of the metal net box 22, mounting ports are formed in the inner walls of two sides of the air inlet pipe 2, the connecting pipe 21 is fixed on the inner wall of the mounting port, the connecting pipe 21 is connected with the top end of the metal pipe 5 through a conduit, the metal net box 22 is in rotating fit with the connecting pipe 21, the ventilating pipe 23 is fixed on the inner wall of the mesh of the metal net box 22, the high-temperature gas can drive the metal mesh box 22 to rotate when flowing, the high-temperature gas can heat a medium filled in the metal mesh box 22 through the ventilation pipe 23, so that the contact area between the medium and the high-temperature gas is greatly increased, the medium heats the transverse radiating fins 7 through the metal pipe 4, meanwhile, the high-temperature gas can heat the longitudinal radiating fins 6, two heat exchange forms are adopted, the heat exchange efficiency is greatly increased, and the waste heat of the high-temperature gas is more fully utilized;
a water pressurizing mechanism 4 is arranged in the water tank 1, the water pressurizing mechanism 4 comprises a rotating shaft 9, a turbofan 8, a driving bevel gear 10, a driven bevel gear 11, a stirring rod 12, a first bevel gear 13, a second bevel gear 14, a transmission shaft 15, a rotating rod 16, a connecting rod 17, a piston 18 and a stirring blade 19, the turbofan 8 is fixed on the outer wall of one end of the rotating shaft 9, the driving bevel gear 10 is fixed on the other end of the rotating shaft 9, the driven bevel gear 11 is meshed with the driving bevel gear 10, the stirring rod 12 is fixed on the inner wall of the driven bevel gear 11, the first bevel gear 13 is fixed on the outer wall of the stirring rod 12 on the inner side of the top of the water tank 1, the second bevel gear 14 is meshed with the first bevel gear 13, the transmission shaft 15 is fixed on the inner wall of the second bevel gear 14, the rotating rod 16 is fixed on one end of the transmission shaft 15, the connecting rod 17 is installed at the bottom end of the rotating rod 16 through a pin, and the piston 18 is installed at the bottom end of the connecting rod 17 through a pin, stirring blades 19 are uniformly fixed on the outer wall of the bottom end of a stirring rod 12, water draining openings are formed in the bottoms of two sides of a water tank 1, the bottom end of a metal pipe 5 is fixed on the inner wall of the water draining openings, fixing openings are formed in the bottom of an air inlet pipe 2, longitudinal radiating fins 6 are fixed on the inner wall of the fixing openings, a mounting plate is fixed on the outer wall of one side of the air inlet pipe 2, one end of a rotating shaft 9 is fixed on the outer wall of one side of the mounting plate through a bearing, a support is fixed on the inner wall of the water tank 1 on two sides of a second bevel gear 14, mounting holes are formed in the support, a transmission shaft 15 is fixed on the inner wall of the mounting holes through a bearing, a high-temperature gas is led into the air inlet pipe 2 to drive a turbofan 8 to rotate, the driving bevel gear 10 is driven by the rotating shaft 9 to rotate, the stirring rod 12 is driven by a meshed driven bevel gear 11, cold and hot media in the water tank 1 can be rapidly mixed by the rotating stirring blades 19, and the second bevel gear 14 is driven to rotate by the rotation of a first bevel gear 13, so that the transmission shaft 15 and the rotating rod 16 rotate, and the connecting rod 17 is utilized to drive the piston 18 to do reciprocating motion, so that the heated medium can be rapidly circulated, the heat exchange efficiency of the device is improved, and the utilization rate of waste heat is improved.
The working principle is as follows: high-temperature gas is led into the gas inlet pipe 2, the turbofan 8 can be driven to rotate, the driving bevel gear 10 is driven to rotate through the rotating shaft 9, the stirring rod 12 is driven to rotate through the meshed driven bevel gear 11, cold and hot media in the water tank 1 can be quickly mixed by utilizing the rotating stirring blades 19, the first bevel gear 13 rotates to drive the second bevel gear 14 to rotate, the transmission shaft 15 and the rotating rod 16 rotate, the piston 18 is driven to do reciprocating motion by utilizing the connecting rod 17, the heated media can be quickly circulated, the heat exchange efficiency of the device is improved, and meanwhile, the utilization rate of waste heat is improved; high-temperature gas can drive the rotation of metal mesh box 22 when flowing, and high-temperature gas passes through ventilation pipe 23 and can heats the medium of metal mesh box 22 intussuseption for medium and high-temperature gas's area of contact improves greatly, and the medium passes through tubular metal resonator 4 and heats horizontal fin 7, and high-temperature gas can heat vertical fin 6 simultaneously, adopts two kinds of heat exchange forms, makes heat exchange efficiency improve greatly, and high-temperature gas waste heat utilization more abundant.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The phase-change waste heat exchanger comprises a water tank (1) and is characterized in that an air inlet pipe (2) is fixed at the top of the water tank (1), heat exchange mechanisms (3) are arranged on two sides of the water tank (1), each heat exchange mechanism (3) comprises a metal pipe (5), transverse radiating fins (7) uniformly fixed on the outer wall of each metal pipe (5), longitudinal radiating fins (6) uniformly inserted on the inner wall of each transverse radiating fin (7) and a heat absorbing assembly (20) connected with the top end of each metal pipe (5) through a guide pipe;
a water pressing mechanism (4) is arranged in the water tank (1), the water pressing mechanism (4) comprises a rotating shaft (9), a turbofan (8) fixed on the outer wall of one end of the rotating shaft (9), a driving bevel gear (10) fixed on the other end of the rotating shaft (9), a driven bevel gear (11) meshed with the driving bevel gear (10), a stirring rod (12) fixed on the inner wall of the driven bevel gear (11), and a first bevel gear (13) fixed on the outer wall of the stirring rod (12) on the inner side of the top of the water tank (1), the stirring device comprises a second bevel gear (14) meshed with the first bevel gear (13), a transmission shaft (15) fixed on the inner wall of the second bevel gear (14), a rotating rod (16) fixed at one end of the transmission shaft (15), a connecting rod (17) arranged at the bottom end of the rotating rod (16) through a pin shaft, a piston (18) arranged at the bottom end of the connecting rod (17) through a pin, and stirring blades (19) uniformly fixed on the outer wall of the bottom end of the stirring rod (12).
2. A phase-change waste heat exchanger according to claim 1, wherein the heat absorbing assembly (20) comprises a connecting pipe (21) connected with the top end of the metal pipe (5) through a conduit, a metal mesh box (22) forming a rotating fit with the connecting pipe (21), and a ventilating pipe (23) fixed on the inner wall of the mesh of the metal mesh box (22).
3. The phase-change waste heat exchanger as claimed in claim 1, wherein the inner walls of both sides of the air inlet pipe (2) are provided with mounting openings, and the connecting pipe (21) is fixed on the inner wall of the mounting opening.
4. The phase-change waste heat exchanger is characterized in that the bottoms of two sides of the water tank (1) are provided with water drainage openings, and the bottom ends of the metal pipes (5) are fixed on the inner walls of the water drainage openings.
5. A phase-change waste heat exchanger according to claim 1, characterized in that the bottom of the air inlet pipe (2) is provided with symmetrically distributed fixing openings, and the longitudinal radiating fins (6) are fixed on the inner wall of the fixing openings.
6. The phase-change waste heat exchanger is characterized in that a mounting plate is fixed on the outer wall of one side of the air inlet pipe (2), and one end of the rotating shaft (9) is fixed on the outer wall of one side of the mounting plate through a bearing.
7. A phase-change waste heat exchanger according to claim 1, characterized in that brackets are fixed on the inner wall of the water tank (1) at two sides of the second bevel gear (14), the brackets are provided with mounting holes, and the transmission shaft (15) is fixed on the inner wall of the mounting holes through bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121948723.6U CN215766695U (en) | 2021-08-19 | 2021-08-19 | Phase-change waste heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121948723.6U CN215766695U (en) | 2021-08-19 | 2021-08-19 | Phase-change waste heat exchanger |
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| Publication Number | Publication Date |
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| CN215766695U true CN215766695U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121948723.6U Active CN215766695U (en) | 2021-08-19 | 2021-08-19 | Phase-change waste heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367175A (en) * | 2023-12-07 | 2024-01-09 | 豫新汽车热管理科技有限公司 | Cold and hot integrated high-strength plate-fin heat exchanger |
-
2021
- 2021-08-19 CN CN202121948723.6U patent/CN215766695U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367175A (en) * | 2023-12-07 | 2024-01-09 | 豫新汽车热管理科技有限公司 | Cold and hot integrated high-strength plate-fin heat exchanger |
| CN117367175B (en) * | 2023-12-07 | 2024-03-22 | 豫新汽车热管理科技有限公司 | Cold and hot integrated high-strength plate-fin heat exchanger |
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