CN214426512U

CN214426512U - High-efficiency heat pipe heat exchanger

Info

Publication number: CN214426512U
Application number: CN202120446869.4U
Authority: CN
Inventors: 徐嘉晨
Original assignee: Wuxi Dogfang Environmental Engineering Design Institute Co ltd
Current assignee: Wuxi Dogfang Environmental Engineering Design Institute Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-10-19
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses a high-efficiency heat pipe exchanger, which comprises a shell, wherein an outlet pipeline is communicated with the side wall of the top of the shell, an inlet pipeline is communicated with the side wall of the bottom of the shell, and a heat preservation layer is arranged outside the shell; a heat accumulator is arranged in the middle of the cavity of the shell, a plurality of heat exchange tubes are fixedly arranged around the heat accumulator, a plurality of heat transfer tubes are uniformly arranged on the side walls of the heat exchange tubes, and two ends of each heat transfer tube between the heat accumulator and the corresponding heat exchange tube are respectively contacted with the heat accumulator and the corresponding heat exchange tube; the top ends of the heat exchange tubes are mutually communicated and communicated with a first mass exchange tube, and the other end of the first mass exchange tube extends out of the top end surface of the shell; the bottom ends of the heat exchange tubes are communicated with each other and communicated with a second quality exchange tube, and the other end of the second quality exchange tube extends out of the bottom end face of the shell. The utility model discloses simple structure has improved heat accumulation, the heat release efficiency of heat exchanger, has brought bigger economic benefits.

Description

High-efficiency heat pipe heat exchanger

Technical Field

The utility model relates to an energy storage and release technical field, more specifically relate to a high-efficient heat pipe exchanger.

Background

Renewable energy sources such as solar energy, geothermal energy and the like, and utilization of industrial waste heat and waste heat have become key points of research and development of various countries, however, the energy sources have the characteristics of instability and discontinuity, so the research of the energy storage technology is particularly important.

The heat pipe is a high-efficiency heat conducting element, the interior of the heat pipe is pumped into a negative pressure state generally, and is filled with proper liquid, and the liquid has the characteristics of low boiling point and easy volatilization. When one end of the heat pipe is heated, the steam flows to the other end and releases heat to be condensed into liquid again, and the liquid flows back to the evaporation section, so that the heat is transmitted from one end of the heat pipe to the other end. This cycle is rapid and heat can be conducted away from the heat source.

The prior heat pipe heat exchanger has the defects of long heat storage and release time, poor economic benefit and the like when the energy is recovered, so that a novel heat pipe heat exchanger is urgently needed.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a high-efficiency heat pipe exchanger, which solves the problem that the existing heat pipe exchanger has long heat storage and heat release time; so as to improve the heat storage and release efficiency of the heat pipe exchanger.

In order to solve the technical problem, the utility model adopts the following technical proposal.

The high-efficiency heat pipe heat exchanger comprises a shell with a hollow cavity inside, wherein an outlet pipeline is communicated with the side wall of the top of the shell, an inlet pipeline is communicated with the side wall of the bottom of the shell, and a heat insulation layer for preventing heat exchange with the external environment is arranged outside the shell; a heat accumulator for storing heat is arranged in the middle of the cavity of the shell, a plurality of vertically arranged heat exchange tubes are fixedly arranged around the heat accumulator, a plurality of horizontally arranged heat transfer tubes for accelerating heat transfer are uniformly arranged on the side walls of the heat exchange tubes, and two ends of the heat transfer tubes between the heat accumulator and the heat exchange tubes are respectively contacted with the heat accumulator and the heat exchange tubes; the top ends of the heat exchange tubes are mutually communicated and communicated with a first mass exchange tube which is vertically arranged, and the other end of the first mass exchange tube extends out of the top end surface of the shell; the bottom ends of the heat exchange tubes are communicated with each other and are communicated with a second vertically-arranged mass exchange tube, and the other end of the second mass exchange tube extends out of the bottom end face of the shell.

Further optimize technical scheme, the heat-transfer pipe that is located different both sides on same heat exchange tube sets up between the crisscross.

According to the technical scheme, the first and second mass-exchanging pipes are provided with valves for controlling the pipelines to be opened and closed.

Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model provides a high-efficient heat pipe exchanger, the heat of fluid exchanges with the heat of heat exchange tube, and the heat-transfer pipe on the heat exchange tube can further accelerate the efficiency of heat transfer; the heat exchanger is characterized in that a heat accumulator is arranged in the middle of the heat exchange tube, the heat accumulator can store heat, and the top and the bottom of the heat exchange tube are respectively communicated with the first mass exchanging tube and the second mass exchanging tube so as to facilitate the replacement and cleaning of media in the heat exchange tube. The utility model discloses simple structure has improved heat accumulation, the heat release efficiency of heat exchanger, has brought bigger economic benefits.

Drawings

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

wherein: 1. the heat exchanger comprises a shell, 2, a heat insulation layer, 3, an outlet pipeline, 4, an inlet pipeline, 5, a heat accumulator, 6, a heat transfer pipe, 7, a heat exchange pipe, 8, a first quality exchange pipe, 9 and a second quality exchange pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The high-efficiency heat pipe exchanger, shown in fig. 1, includes a casing 1, a heat-insulating layer 2, an outlet pipe 3, an inlet pipe 4, a heat accumulator 5, a heat transfer pipe 6, a heat exchange pipe 7, a first mass-exchanging pipe 8, and a second mass-exchanging pipe 9.

The inside of casing 1 has the cavity, and the intercommunication has outlet pipeline 3 on the top lateral wall of casing 1, and the intercommunication has inlet pipeline 4 on the bottom lateral wall of casing 1 for the discrepancy of fluid. The outside of casing 1 is equipped with heat preservation 2 for prevent to carry out the heat exchange with external environment, reduce thermal loss, and then improve thermal utilization ratio.

The middle part of the cavity of the shell 1 is provided with a heat accumulator 5 for storing heat so as to release the heat when needed. The heat accumulator 5 is fixedly provided with a plurality of heat exchange tubes 7 all around, the heat exchange tubes 7 are vertically arranged, and heat transfer tubes 6 which are horizontally arranged are evenly arranged on the side walls of the heat exchange tubes 7 and used for accelerating the heat transfer speed. Wherein, the two ends of the heat transfer pipe 6 between the heat accumulator 5 and the heat exchange pipe 7 are respectively contacted with the heat accumulator 5 and the heat exchange pipe 7, and the heat transfer pipe is used for transferring the heat in the heat exchange pipe 7 to the heat accumulator 5 for storage. The heat transfer pipes 6 on different sides of the same heat exchange pipe 7 are arranged in a staggered way,

the top ends of the heat exchange tubes 7 are communicated with each other and communicated with a first mass exchanging tube 8, the first mass exchanging tube 8 is vertically arranged, and the other end of the first mass exchanging tube 8 extends out of the top end face of the shell 1. The bottom ends of the heat exchange tubes 7 are communicated with each other and communicated with a second quality changing tube 9, the second quality changing tube 9 is vertically arranged, and the other end of the second quality changing tube 9 extends out of the bottom end face of the shell 1. The first and second mass-exchanging

pipes

8 and 9 are provided with valves for controlling the opening and closing of the pipelines of the first and second mass-exchanging

pipes

8 and 9.

The utility model discloses when in actual use, high temperature fluid gets into the heat exchanger from inlet pipe 4, and the fluid carries out the heat exchange with the medium in the heat exchange tube 7 during through heat exchange tube 7, and the temperature in the heat exchange tube 7 risees gradually, and heat-transfer pipe 6 also carries out thermal transport simultaneously, further accelerates heat transfer speed. Then, the heat transfer pipe 6 at the inner side of the heat exchange pipe 7 transfers the temperature into the heat accumulator 5 to store the heat; finally, the cooled fluid flows out of the outlet conduit 3.

When heat is needed, low-temperature fluid enters the heat exchanger through the inlet pipeline 4, when the fluid enters the heat exchange pipe 7, the heat transfer pipe 6 on the inner side of the heat exchange pipe 7 transfers the heat in the heat accumulator 5 to the heat exchange pipe 7, the heat exchange pipe 7 transfers the heat to the low-temperature fluid, and meanwhile, the heat transfer pipe 6 also transfers the heat to the fluid, so that the heating speed of the low-temperature fluid is increased, and high-efficiency heat exchange is realized; finally, the warmed fluid flows out of the outlet pipe 3.

When the medium of the heat exchange tube 7 needs to be replaced, the valve of the second quality-replacing tube 9 is opened, the medium in the heat exchange tube 7 is discharged, and then the valve of the second quality-replacing tube 9 is closed. The medium is added again through the first mass-exchanging pipe 8, when the interior of the heat-exchanging pipe 7 needs to be cleaned, the valve of the second mass-exchanging pipe 9 is opened, the medium in the heat-exchanging pipe 7 is discharged, then the valve of the second mass-exchanging pipe 9 is closed, and the first mass-exchanging pipe 8 is communicated with a water source for cleaning.

Claims

1. High-efficient heat pipe exchanger, its characterized in that: the heat-insulation type solar water heater comprises a shell (1) with a hollow cavity inside, wherein an outlet pipeline (3) is communicated with the side wall of the top of the shell (1), an inlet pipeline (4) is communicated with the side wall of the bottom of the shell (1), and a heat-insulation layer (2) for preventing heat exchange with an external environment is arranged outside the shell (1); a heat accumulator (5) for storing heat is arranged in the middle of a cavity of the shell (1), a plurality of vertically arranged heat exchange tubes (7) are fixedly arranged on the periphery of the heat accumulator (5), a plurality of horizontally arranged heat transfer tubes (6) for accelerating heat transfer are uniformly arranged on the side walls of the heat exchange tubes (7), and two ends of each heat transfer tube (6) positioned between the heat accumulator (5) and the corresponding heat exchange tube (7) are respectively contacted with the heat accumulator (5) and the corresponding heat exchange tube (7); the top ends of the heat exchange tubes (7) are communicated with each other and are communicated with first mass exchange tubes (8) which are vertically arranged, and the other ends of the first mass exchange tubes (8) extend out of the top end surface of the shell (1); the bottom ends of the heat exchange tubes (7) are communicated with each other and are communicated with second quality exchange tubes (9) which are vertically arranged, and the other ends of the second quality exchange tubes (9) extend out of the bottom end face of the shell (1).

2. A high efficiency heat pipe heat exchanger as defined in claim 1 wherein: the heat transfer pipes (6) on different sides of the same heat exchange pipe (7) are arranged in a staggered way.

3. A high efficiency heat pipe heat exchanger as defined in claim 1 wherein: and valves for controlling the opening and closing of the pipelines are arranged on the first mass exchanging pipe (8) and the second mass exchanging pipe (9).