CN212081192U - High-pressure evaporative heat exchanger - Google Patents
High-pressure evaporative heat exchanger Download PDFInfo
- Publication number
- CN212081192U CN212081192U CN202020770789.XU CN202020770789U CN212081192U CN 212081192 U CN212081192 U CN 212081192U CN 202020770789 U CN202020770789 U CN 202020770789U CN 212081192 U CN212081192 U CN 212081192U
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- CN
- China
- Prior art keywords
- heat exchanger
- resistant
- flue gas
- exchanger body
- cold air
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Abstract
The utility model provides a high pressure evaporation formula heat exchanger, include: the heat exchanger comprises a heat exchanger body, wherein pot covers are fixedly arranged at two ends of the heat exchanger body, and the heat exchanger body and the pot covers form a water containing cavity; a high-pressure environment is formed in the water containing cavity, and a water source is contained in the water containing cavity; the high-temperature-resistant corrosion-resistant flue gas pipeline is arranged in the water source, a flue gas inlet and a flue gas outlet of the high-temperature-resistant corrosion-resistant flue gas pipeline extend out of the heat exchanger body, and the flue gas inlet is used for introducing high-temperature hot flue gas; high temperature resistant corrosion-resistant cold air pipe way, high temperature resistant corrosion-resistant cold air pipe way is arranged in the water source top, high temperature resistant corrosion-resistant cold air pipe way's cold air inlet is located heat exchanger body bottom, high temperature resistant corrosion-resistant cold air pipe way's hot-air outlet is located heat exchanger body top, cold air inlet is used for letting in cold air, and this heat exchanger realizes providing clean high temperature hot-air to the heating of air.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger technique and specifically relates to a high pressure evaporation formula heat exchanger is related to.
Background
The type of the heat exchanger commonly used at present is a double-pipe heat exchanger, which is one of the double-pipe heat exchangers, is the heat exchanger which is most widely applied to petrochemical production at present, and plays a significant role in the field of fluid heat exchange. The pipe fitting mainly comprises a shell (comprising an inner shell and an outer shell), a U-shaped elbow pipe, a stuffing box and the like, and the required pipe can be respectively made of common carbon steel, cast iron, copper, titanium, ceramic glass and the like.
The heat exchanger is a concentric circular sleeve formed by connecting two standard pipes with different sizes, wherein each section of the sleeve is called as a first pass, the outer side is called as a shell pass, and the inner side is called as a pipe pass. Heat is transferred from one fluid to another through the inner tube wall. Typically, hot fluid is introduced from the upper portion and cold fluid is introduced from the lower portion. The two different media can flow in the shell side and the tube side in the opposite directions (or in the same direction) to achieve the effect of heat exchange.
However, the double pipe heat exchanger has disadvantages:
(1) the joints among the tubes of the heat exchanger are many, so that fluid leakage is easily caused;
(2) the heat exchanger has large volume, large floor area and large metal consumption of unit heat transfer surface.
(3) The heat exchanger is suitable for heat exchange between fluids, but has small air heat conductivity coefficient for heat exchange between gases, ensures that the heat exchange quantity needs to increase the heat exchange area, correspondingly, the metal consumption of a unit heat transfer surface is increased, and the manufacturing cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a high-pressure evaporation type heat exchanger, which can effectively utilize the temperature of the discharged flue gas, realize the heating of the air, and provide clean high-temperature hot air.
In order to achieve the above object, according to the embodiment of the present invention, a high pressure evaporation type heat exchanger is provided, including:
the heat exchanger comprises a heat exchanger body, wherein pot covers are fixedly arranged at two ends of the heat exchanger body, and the heat exchanger body and the pot covers form a water containing cavity;
a high-pressure environment is formed in the water containing cavity, and a water source is contained in the water containing cavity;
the high-temperature-resistant corrosion-resistant flue gas pipeline is arranged in the water source, a flue gas inlet and a flue gas outlet of the high-temperature-resistant corrosion-resistant flue gas pipeline extend out of the heat exchanger body, the flue gas inlet and the flue gas outlet are positioned at the bottom of the heat exchanger body, and the flue gas inlet is used for introducing high-temperature hot flue gas;
the high-temperature-resistant and corrosion-resistant cold air pipeline is arranged above the water source, a cold air inlet of the high-temperature-resistant and corrosion-resistant cold air pipeline is located at the bottom of the heat exchanger body and extends out of the heat exchanger body, a hot air outlet of the high-temperature-resistant and corrosion-resistant cold air pipeline is located at the top of the heat exchanger body and extends out of the heat exchanger body, and the cold air inlet is used for introducing cold air.
Preferably, the high-temperature-resistant and corrosion-resistant flue gas pipeline is a serpentine coil.
Preferably, the high temperature and corrosion resistant cold air pipe is a serpentine coil.
Preferably, the heat exchanger body is provided with a safety valve, and the safety valve is used for balancing air pressure inside and outside the heat exchanger body.
The utility model provides a pair of high pressure evaporation formula heat exchanger, through set up high temperature resistant corrosion-resistant flue gas pipeline in the water source, a high temperature flue gas for collect outside, the high temperature flue gas gets into behind the high temperature resistant corrosion-resistant flue gas pipeline evaporation water source in order to form high temperature steam, and set up high temperature resistant corrosion-resistant cold air pipeline in the top at the water source, become boiling heat transfer and the heat transfer that condenses through high temperature resistant corrosion-resistant cold air pipeline pipe wall convection heat transfer with air and high temperature steam, great improvement the heat exchanger heat transfer coefficient, make the heat exchanger can produce more small and exquisite compactness, the material is saved, the space has also been vacated.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of the overall structure of a high-pressure evaporative heat exchanger according to the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the drawings:
a heat exchanger body 10;
a water containing cavity 101;
a water source 102;
a pot cover 11;
a gasket 111;
a fastening screw 12;
a high temperature resistant and corrosion resistant flue gas duct 13;
a flue gas inlet 131;
a flue gas outlet 132;
a high temperature resistant and corrosion resistant cold air duct 14;
a cool air inlet 141;
a hot air outlet 142;
a safety valve 15.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
A high-pressure evaporative heat exchanger according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1, the high-pressure evaporative heat exchanger according to the embodiment of the present invention includes: the heat exchanger comprises a heat exchanger body 10, a pot cover 11, a high-temperature-resistant corrosion-resistant flue gas pipeline 13 and a high-temperature-resistant corrosion-resistant cold air pipeline 14.
The heat exchanger comprises a heat exchanger body 10 and a pot cover 11, wherein the pot cover 11 is fixedly installed at two ends of the heat exchanger body 10, the heat exchanger body 10 and the pot cover 11 form a water containing cavity 101, the heat exchanger body 10 is connected with the pot cover 11 through a fastening screw 12, and a sealing gasket 111 is arranged between the heat exchanger body 10 and the pot cover 11. The water containing cavity 101 forms a high pressure environment and contains a water source 102.
Specifically, the high-temperature-resistant and corrosion-resistant flue gas pipeline 13 is disposed in the water source 102, a flue gas inlet 131 and a flue gas outlet 132 of the high-temperature-resistant and corrosion-resistant flue gas pipeline 13 extend out of the heat exchanger body 10, the flue gas inlet 131 and the flue gas outlet 132 are located at the bottom of the heat exchanger body 10, and the flue gas inlet 131 is used for introducing high-temperature hot flue gas.
Specifically, the high temperature and corrosion resistant cold air pipeline 14 is disposed above the water source 102, a cold air inlet 141 of the high temperature and corrosion resistant cold air pipeline 14 is located at the bottom of the heat exchanger body 10 and extends out of the heat exchanger body 10, a hot air outlet 142 of the high temperature and corrosion resistant cold air pipeline 14 is located at the top of the heat exchanger body 10 and extends out of the heat exchanger body 10, wherein the cold air inlet 141 is used for introducing cold air.
Preferably, the high temperature and corrosion resistant flue gas pipeline 13 is a serpentine coil.
Preferably, the high temperature and corrosion resistant cold air duct 14 is a serpentine coil.
Wherein, the high temperature resistant and corrosion resistant flue gas pipeline 13 and the high temperature resistant and corrosion resistant cold air pipeline 14 in the heat exchanger body 10 are respectively formed by coiling a plurality of pipes, so that evaporated water drops are fully contacted with the pipe wall; moreover, the connection between the spiral pot cover 11 and the body is ensured by sealing and sealing rings.
Preferably, a safety valve 15 is arranged on the heat exchanger body 10, and the safety valve 15 is used for balancing the air pressure inside and outside the heat exchanger body 10.
The working principle is as follows: aiming at the problem that the heat exchange coefficient is not high when gas and gas exchange heat of the existing heat exchanger, the heat exchanger is improved, a heat exchanger body 10 is designed into a shape of the heat exchanger body 10 by utilizing the principle of a pressure cooker, pot covers 11 are arranged on two sides of the heat exchanger body to facilitate disassembly and assembly, meanwhile, two layers of surrounding pipelines are arranged on the upper portion and the lower portion of the heat exchanger body 10 (the pipelines and the heat exchanger body 10 are designed into a whole to ensure sealing), sufficient water is filled in the lower portion of the heat exchanger body 10 to ensure that enough water can submerge a high-temperature-resistant corrosion-resistant flue gas pipeline 13 in the heat exchanger body 10, the high-temperature-resistant corrosion-resistant flue gas pipeline 13 enters the high-temperature-resistant corrosion-resistant flue gas pipeline 13 from the lower left side, the water in the heat exchanger body 10 is heated to boil; the high-temperature water vapor moves towards the upper part of the heat exchanger body 10 and is attached to the high-temperature-resistant corrosion-resistant cold air pipeline 14 on the upper part of the heat exchanger body 10, then the cold air moving in the high-temperature-resistant corrosion-resistant cold air pipeline 14 is heated through condensation heat transfer, and finally the heated clean hot air is discharged from the top end of the heat exchanger body 10 and serves as clean hot air processed food.
In the description herein, references to the description of the terms "particular embodiment," "particular example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. A high pressure evaporative heat exchanger, comprising:
the heat exchanger comprises a heat exchanger body, wherein pot covers are fixedly arranged at two ends of the heat exchanger body, and the heat exchanger body and the pot covers form a water containing cavity;
a high-pressure environment is formed in the water containing cavity, and a water source is contained in the water containing cavity;
the high-temperature-resistant corrosion-resistant flue gas pipeline is arranged in the water source, a flue gas inlet and a flue gas outlet of the high-temperature-resistant corrosion-resistant flue gas pipeline extend out of the heat exchanger body, the flue gas inlet and the flue gas outlet are positioned at the bottom of the heat exchanger body, and the flue gas inlet is used for introducing high-temperature hot flue gas;
the high-temperature-resistant and corrosion-resistant cold air pipeline is arranged above the water source, a cold air inlet of the high-temperature-resistant and corrosion-resistant cold air pipeline is located at the bottom of the heat exchanger body and extends out of the heat exchanger body, a hot air outlet of the high-temperature-resistant and corrosion-resistant cold air pipeline is located at the top of the heat exchanger body and extends out of the heat exchanger body, and the cold air inlet is used for introducing cold air.
2. The high pressure evaporative heat exchanger according to claim 1, wherein the high temperature and corrosion resistant flue gas duct is a serpentine coil.
3. The high pressure evaporative heat exchanger according to claim 1, wherein the high temperature and corrosion resistant cold air duct is a serpentine coil.
4. The high-pressure evaporative heat exchanger according to claim 1, wherein the heat exchanger body is provided with a safety valve for balancing air pressure inside and outside the heat exchanger body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020770789.XU CN212081192U (en) | 2020-05-11 | 2020-05-11 | High-pressure evaporative heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020770789.XU CN212081192U (en) | 2020-05-11 | 2020-05-11 | High-pressure evaporative heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212081192U true CN212081192U (en) | 2020-12-04 |
Family
ID=73567176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020770789.XU Expired - Fee Related CN212081192U (en) | 2020-05-11 | 2020-05-11 | High-pressure evaporative heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212081192U (en) |
-
2020
- 2020-05-11 CN CN202020770789.XU patent/CN212081192U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 Termination date: 20210511 |