CN213335049U - Liquid atomization heat exchange unit and heat exchanger thereof - Google Patents
Liquid atomization heat exchange unit and heat exchanger thereof Download PDFInfo
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- CN213335049U CN213335049U CN202022142005.1U CN202022142005U CN213335049U CN 213335049 U CN213335049 U CN 213335049U CN 202022142005 U CN202022142005 U CN 202022142005U CN 213335049 U CN213335049 U CN 213335049U
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Abstract
The utility model relates to a liquid atomizing heat transfer unit and heat exchanger thereof. The utility model discloses a liquid atomization heat exchange unit, which comprises a plurality of rows of tubes for circulating a refrigerant and fins for fixing the plurality of rows of tubes, wherein the plurality of rows of tubes and the fins are fixed by a fixing frame; an atomization calandria is arranged in the heat exchange unit, and an atomization head is arranged on the atomization calandria. The beneficial effects are as follows: the liquid atomization heat exchange unit can be installed in a mode that a plurality of heat exchange units are stacked into a heat exchanger, the heat exchange units can be freely added and subtracted according to the size of the heat exchanger, the liquid atomization heat exchange unit is convenient to install and maintain, and when a certain heat exchange unit is damaged, the damaged maintenance unit can be detached to be maintained or replaced. The size of the heat exchange device is conveniently expanded or reduced, the heat exchange unit can be manufactured in a standardized mode, and manufacturing cost is reduced.
Description
Technical Field
The utility model relates to a heat exchanger field, in particular to liquid atomization heat transfer unit and heat exchanger thereof.
Background
The carbon dioxide is used as a high-efficiency, energy-saving and environment-friendly refrigerant, and has wide application prospect and considerable economic value. However, due to the inherent characteristics of carbon dioxide, when the operating temperature is higher than the critical temperature, no matter how high pressure is applied, carbon dioxide cannot be liquefied, and when a carbon dioxide refrigerant is used for refrigeration, a heat exchanger which is high in efficiency and convenient to install and maintain is required.
Therefore, the liquid atomization heat exchange unit and the heat exchanger thereof are convenient to install and maintain and low in manufacturing cost. Is the innovation and research machine of the utility model.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a liquid atomization heat transfer unit easy to assemble and maintenance, low in manufacturing cost. A heat exchanger. The utility model also provides a liquid atomization heat exchanger that heat exchange efficiency is high.
The utility model provides a liquid atomization heat transfer unit, its technical scheme is:
a liquid atomization heat exchange unit comprises a plurality of rows of tubes for circulating a refrigerant and fins for fixing the rows of tubes, wherein the rows of tubes and the fins are fixed through a fixing frame; an atomization calandria is arranged in the heat exchange unit, and an atomization head is arranged on the atomization calandria.
Preferably, the rows of tubes and fins are located around the atomizing head.
Preferably, the atomizing head comprises an ultrasonic atomizing sheet which atomizes water in cooperation with ultrasonic waves.
A liquid atomization heat exchanger comprises a shell, a negative pressure fan, an atomization heat exchange unit and a liquid supply pipe, wherein the negative pressure fan is arranged outside the shell and used for forming negative pressure in the shell; the atomization heat exchange unit is arranged in the shell; the atomizing calandria is connected with the liquid supply pipe, and the atomizing heat exchange unit is foretell liquid atomizing heat exchange unit.
Preferably, the plurality of atomization heat exchange units are stacked together, and the plurality of rows of the plurality of heat exchange units are stacked and then connected in series.
Preferably, the atomizing head is used for spraying atomized liquid, the atomized liquid is spread around the rows of tubes and the fins, and under the action of negative pressure, the liquid micelles and the refrigerant in the rows of tubes are pumped out of the shell by the negative pressure fan after completing radiation heat exchange.
Preferably, the atomizing head is provided with a control device for controlling the opening or closing of the atomizing head.
Preferably, the atomization calandria is provided with a control device for controlling the atomization calandria to be opened or closed.
Preferably, the shell is a closed shell, and the negative pressure fan can enable a set negative pressure value to be formed in the closed shell, so that more efficient heat exchange is realized; the air exhaust volume of the negative pressure fan is larger than the evaporation volume of the atomized liquid in the shell, on one hand, the steam in the shell can be fully exhausted to improve the evaporation efficiency of the atomized liquid, and on the other hand, the negative pressure environment in the shell can be kept.
Preferably, the heat exchanger further comprises a pressure regulating device, an air inlet of the pressure regulating device is arranged outside the shell, an air outlet of the pressure regulating device is arranged in the shell, and the regulated air flow can be sent into the shell through the pressure regulating device so as to promote the flow of steam in the shell.
The utility model discloses an implement including following technological effect:
the utility model discloses a liquid atomizing heat transfer unit can be with the mode of a plurality of heat transfer unit closed assembly, and the installation is the heat exchanger, can freely add and subtract heat transfer unit according to the size of heat exchanger, easy to assemble and maintenance, bad when certain heat transfer unit, can dismantle the maintenance or change of getting off with the maintenance unit that has bad. The size of the heat exchange device is conveniently expanded or reduced, the heat exchange unit can be manufactured in a standardized mode, and manufacturing cost is reduced.
Drawings
Fig. 1 is the utility model discloses a liquid atomizing heat transfer unit spatial structure sketch map.
Fig. 2 is the schematic diagram of the front structure of the liquid atomization heat exchange unit in the embodiment of the present invention.
Fig. 3 is a schematic view of a top view structure of a liquid atomization heat exchange unit according to an embodiment of the present invention.
Fig. 4 is a schematic view of a three-dimensional structure of a liquid atomization heat exchange unit according to an embodiment of the present invention.
In the figure: 1. a plurality of rows of tubes; 2. a fin; 3. a fixed mount; 4. atomizing the calandria; 5. an atomizing head; 6. a negative pressure fan; 7. a housing.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings, wherein the described embodiments are only intended to facilitate the understanding of the present invention, and do not limit the present invention in any way.
Referring to fig. 1 to 3, the liquid atomization heat exchange unit provided by the present embodiment includes a plurality of rows of tubes 1 for flowing a refrigerant and fins 2 for fixing the rows of tubes 1, wherein the rows of tubes 1 and the fins 2 are fixed by a fixing frame 3, and the refrigerant flows in from an inlet end and is discharged from an outlet end; an atomizing calandria 4 is arranged in the heat exchange unit, and an atomizing head 5 is arranged on the atomizing calandria 4. The rows of tubes 1 and fins 2 are located around the atomising head 5. The utility model discloses a liquid atomizing heat transfer unit can be with the mode of a plurality of heat transfer unit closed assembly, and the installation is the heat exchanger, can freely add and subtract heat transfer unit according to the size of heat exchanger, easy to assemble and maintenance, bad when certain heat transfer unit, can dismantle the maintenance or change of getting off with the maintenance unit that has bad. The size of the heat exchange device is conveniently expanded or reduced, the heat exchange unit can be manufactured in a standardized mode, and manufacturing cost is reduced.
Preferably, the atomizing head 5 includes an ultrasonic atomizing plate which atomizes water in cooperation with ultrasonic waves. The ultrasonic atomized water has the function of removing scales, and the scale on the surfaces of the multi-row pipes 1 and the fins 2 can be reduced.
Referring to fig. 4, the present embodiment further provides a liquid atomization heat exchanger, which includes a casing 7, a negative pressure fan 6, an atomization heat exchange unit, and a liquid supply pipe, where the negative pressure fan 6 is disposed outside the casing 7 and is used for forming negative pressure in the casing 7; the atomization heat exchange unit is arranged in the shell 7; the atomization calandria 4 is connected with the liquid supply pipe, and the atomization heat exchange unit is the liquid atomization heat exchange unit. Specifically, a plurality of atomization heat exchange units are stacked together, and a plurality of rows of tubes 1 of the plurality of heat exchange units are stacked and then connected in series. After the serial connection, the heat exchange area between the refrigerant in the pipe and the outside is increased, and the heat exchange effect is better. The atomizing head 5 is used for spraying atomized liquid, the atomized liquid is diffused around the multi-row pipes 1 and the fins 2, and under the action of negative pressure, liquid micelles and refrigerant in the multi-row pipes 1 are extracted out of the shell 7 by the negative pressure fan 6 after completing radiation heat exchange. The atomizing head 5 is provided with a control device (such as a control chip) for controlling the opening or closing of the atomizing head 5; or the atomization calandria 4 is provided with a control device for controlling the atomization calandria 4 to be opened or closed. The control center can randomly select the atomizing heads 5 to be opened or closed according to a random function and a set time (for example, 1 second to 300 seconds), a set opening ratio of the atomizing heads 5 (for example, 10 percent to 95 percent of the atomizing heads 5), wherein the opening or closing of each atomizing head 5 is random, and the effect of uniform atomization of the atomized liquid in the shell 7 is achieved. The energy waste can be avoided while the control is accurate. The water vapor after heat exchange is not circulated and recovered and is directly discharged into the atmosphere, and the heat is mainly converted into internal energy in the water micelle decomposition process, so that the discharged water vapor has low temperature and cannot generate a heat island effect.
Preferably, the shell 7 is a closed shell, and the negative pressure fan 6 can enable a set negative pressure value to be formed in the closed shell, so that more efficient heat exchange is realized; the air exhaust amount of the negative pressure fan 6 is larger than the evaporation amount of the atomized liquid in the shell 7, so that on one hand, the steam in the shell 7 can be fully exhausted to improve the evaporation efficiency of the atomized liquid, and on the other hand, the negative pressure environment in the shell 7 can be kept. The heat exchanger also comprises a pressure regulating device, wherein an air inlet of the pressure regulating device is arranged outside the shell 7, an air outlet of the pressure regulating device is arranged in the shell 7, and regulated air flow is sent into the shell 7 through the pressure regulating device so as to promote the flow of steam in the shell 7 and form aerosol in the shell 7. The pressure regulating means may also be a fan disposed adjacent the bottom of the housing 7, the rotation of the fan promoting the flow of the vapor and the atomized liquid within the housing 7. It is different with current air-cooled heat exchanger and evaporation cold heat exchanger principle to need the particular explanation, the utility model discloses a heat exchanger is for under the negative pressure condition, utilizes the aerosol to be decomposed into little micelle by big micelle gradually under the condition of radiant heat and carries out the heat transfer, except that pressure regulating device can get into outside gas outside, does not have outside gas to get into, and the heat transfer is not influenced yet to the high temperature and high humidity condition, can be in normal use under different climatic conditions.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A liquid atomization heat exchange unit is characterized in that: the refrigerator comprises a plurality of rows of tubes for circulating refrigerant and fins for fixing the rows of tubes, wherein the rows of tubes and the fins are fixed through a fixing frame; an atomization calandria is arranged in the heat exchange unit, and an atomization head is arranged on the atomization calandria.
2. The liquid atomization heat exchange unit of claim 1, wherein: the rows of tubes and fins are located around the atomizing head.
3. The liquid atomization heat exchange unit of claim 1, wherein: the atomizing head comprises an ultrasonic atomizing sheet which is matched with ultrasonic waves to atomize water.
4. A liquid atomization heat exchanger comprises a shell, a negative pressure fan, an atomization heat exchange unit and a liquid supply pipe, wherein the negative pressure fan is arranged outside the shell and used for forming negative pressure in the shell; the atomization heat exchange unit is arranged in the shell; the atomizing calandria with the feed pipe is connected its characterized in that: the atomization heat exchange unit is the liquid atomization heat exchange unit of any one of claims 1-3.
5. The liquid atomization heat exchanger of claim 4, wherein: the multiple atomization heat exchange units are mutually overlapped, and the multiple rows of pipes of the multiple heat exchange units are mutually connected in series after being overlapped.
6. The liquid atomization heat exchanger of claim 4, wherein: the atomizing head is used for spraying atomized liquid, the atomized liquid is diffused around the multi-row pipes and the fins, and under the action of negative pressure, liquid micelles and the refrigerant in the multi-row pipes are extracted out of the shell by the negative pressure fan after completing radiation heat exchange.
7. The liquid atomization heat exchanger of claim 4, wherein: and the atomizing head is provided with a control device for controlling the atomizing head to be opened or closed.
8. The liquid atomization heat exchanger of claim 4, wherein: and the atomization calandria is provided with a control device for controlling the atomization calandria to be opened or closed.
9. The liquid atomization heat exchanger of claim 4, wherein: the shell is a closed shell, and the negative pressure fan can enable a set negative pressure value to be formed in the closed shell, so that more efficient heat exchange is realized; the air exhaust volume of the negative pressure fan is larger than the evaporation volume of the atomized liquid in the shell.
10. The liquid atomization heat exchanger of claim 4, wherein: the heat exchanger further comprises a pressure regulating device, an air inlet of the pressure regulating device is arranged outside the shell, an air outlet of the pressure regulating device is arranged in the shell, and the adjustable air flow is sent into the shell through the pressure regulating device so as to promote the flow of steam in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022142005.1U CN213335049U (en) | 2020-09-25 | 2020-09-25 | Liquid atomization heat exchange unit and heat exchanger thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022142005.1U CN213335049U (en) | 2020-09-25 | 2020-09-25 | Liquid atomization heat exchange unit and heat exchanger thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213335049U true CN213335049U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022142005.1U Active CN213335049U (en) | 2020-09-25 | 2020-09-25 | Liquid atomization heat exchange unit and heat exchanger thereof |
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|---|---|
| CN (1) | CN213335049U (en) |
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2020
- 2020-09-25 CN CN202022142005.1U patent/CN213335049U/en active Active
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