CN215810349U

CN215810349U - Heat exchanger

Info

Publication number: CN215810349U
Application number: CN202122390339.5U
Authority: CN
Inventors: 成发展
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-11
Anticipated expiration: 2031-09-29

Abstract

The utility model provides a heat exchanger, and relates to the technical field of heat exchangers. The utility model provides a heat exchanger, includes the heat transfer shell, and air inlet and gas outlet have been seted up respectively to the both ends of heat transfer shell, are provided with two baffles in the heat transfer shell, inject between two baffles and form the heat transfer chamber, are provided with an at least heat transfer pipeline in the heat transfer chamber, arbitrary heat transfer pipeline all with air inlet and gas outlet intercommunication, be provided with leak protection plate between baffle and the heat transfer shell, form the overflow chamber between leak protection plate and the baffle. The heat exchanger can avoid the pollution of substances needing heat exchange due to the leakage of the heat exchange liquid.

Description

Heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a heat exchanger.

Background

The high-temperature heat exchanger is a device which can be used for cooling and recovering heat of high-flow high-temperature flue gas. For example, in the production line equipment of the color coated steel plate in the steel industry, a large amount of combustible substances (such as benzene, phenol, resin and the like) harmful to the environment are mixed in the gas generated in the spraying and curing process in the spraying and curing chamber, if the gas is directly discharged to the atmosphere, the gas causes great harm to the surrounding environment, does not meet the requirements of the atmospheric emission standard and related environmental protection, and at present, the non-renewable resources such as petroleum, coal and the like are gradually exhausted, the gas containing the combustible substances is directly discharged without utilizing the gas, does not meet the requirements of national joint energy, runs against the policy of the steel industry for energy conservation and emission reduction, so that before the harmful gas is discharged to the atmosphere, the harmless treatment is required, usually, the harmful gas is collected and led out, then the gas with a certain proportion is added, the gas is mixed and then enters an incinerator for combustion, and most of the harmful substances are chemically reacted to form harmless substances in the combustion process, the burnt gas meets the relevant atmospheric emission standard, the generated high-temperature flue gas (about 800 ℃) enters a tube pass of a high-temperature heat exchanger for heat recovery and exchanges heat energy with fresh air from a blower, and the fresh air passes through a heat exchange tube of the high-temperature heat exchanger, namely a shell pass of the high-temperature heat exchanger, so that the temperature of the fresh air is gradually heated to about 650 ℃ to meet the curing requirement of a spraying process. The temperature of the high-temperature flue gas is gradually reduced to about 300 ℃ after the high-temperature flue gas is subjected to heat exchange with fresh air through a high-temperature heat exchanger. High-temperature fresh air enters a spraying chamber for a steel plate spraying process, and generated harmful gas is added with coal gas and then enters an incinerator for combustion, and the cycle is repeated.

The equipment can cause the leakage of heat exchange liquid when in actual use, and pollute heat exchange gas.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heat exchanger, which can prevent heat exchange liquid from leaking to pollute substances needing heat exchange.

The embodiment of the utility model is realized by the following steps:

the embodiment of the application provides a heat exchanger, including the heat transfer shell, air inlet and gas outlet have been seted up respectively to the both ends of heat transfer shell, are provided with two baffles in the heat transfer shell, inject between two baffles and form the heat transfer chamber, are provided with an at least heat transfer pipeline in the heat transfer chamber, arbitrary heat transfer pipeline all with air inlet and gas outlet intercommunication, be provided with leak protection plate between baffle and the heat transfer shell, form the overflow chamber between leak protection plate and the baffle.

In some embodiments of the present invention, the gas outlet is correspondingly provided with a gas outlet flow channel, the gas outlet flow channel is provided with a temperature measuring device, the temperature measuring device includes at least one temperature measuring element and a display screen, the gas outlet flow channel is circumferentially provided with a plurality of temperature measuring elements, the heat exchange shell is provided with a display screen, and the display screen is connected with the plurality of temperature measuring elements.

In some embodiments of the utility model, a humidity monitor is arranged on one side of the partition plate, which is far away from the heat exchange cavity, and the humidity monitor is connected with an alarm which is arranged on the heat exchange shell.

In some embodiments of the present invention, the heat exchange shell is provided with a drain port, the drain port is located between the partition plate and the leakage-proof plate, and the drain port is communicated with the overflow cavity.

In some embodiments of the utility model, the drain outlet is located on a side of the overflow chamber adjacent the partition.

In some embodiments of the present invention, the heat exchange shell is provided with a cooling liquid inlet and a cooling liquid outlet, and the cooling liquid inlet and the cooling liquid outlet are respectively located at two ends of the heat exchange cavity.

In some embodiments of the present invention, the cooling liquid inlet is provided with a liquid inlet channel, and the liquid inlet channel is provided with a booster pump in series.

In some embodiments of the present invention, the heat exchange pipe is made of a metal material, and an electroplated layer is covered on the heat exchange pipe.

In some embodiments of the present invention, the heat exchange tubes are serpentine tubes.

In some embodiments of the present invention, the heat exchange shell is provided with a plurality of heat dissipation grooves, and the opening direction of the heat dissipation grooves is parallel to the central line of the heat exchange cavity.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

the embodiment of the application provides a heat exchanger, including the heat transfer shell, air inlet and gas outlet have been seted up respectively to the both ends of heat transfer shell, are provided with two baffles in the heat transfer shell, inject between two baffles and form the heat transfer chamber, are provided with an at least heat transfer pipeline in the heat transfer chamber, arbitrary heat transfer pipeline all with air inlet and gas outlet intercommunication, be provided with leak protection plate between baffle and the heat transfer shell, form the overflow chamber between leak protection plate and the baffle. The heat exchange shell is used for bearing heat exchange liquid and can effectively protect the structure inside the heat exchange shell from being damaged, and the service life of the heat exchange shell is prolonged. Above-mentioned baffle is used for forming the structure of main heat transfer cavity heat transfer of being convenient for and carries out the heat exchange in heat transfer intracavity portion, very big promotion its performance. The heat exchange cavity is internally provided with a heat exchange pipeline which is used for circulating heat exchange gas or liquid so as to facilitate the cooling or heating of the gas. The leak-proof plate is used for preventing leakage of heat exchange materials caused by mixing of leaked heat exchange liquid and the heat exchange materials, and safety performance of the leak-proof plate in use is improved. The overflow cavity is used for discharging leaked cooling liquid, so that the leakage of the cooling liquid is avoided from contacting with substances in the heat exchange pipeline, and the damage of the heat exchange liquid and the pollution of substances needing heat exchange are conveniently caused by the leakage of the cooling liquid.

Therefore, the heat exchanger can avoid the pollution of substances needing heat exchange due to the leakage of the heat exchange liquid.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a vertical cross-sectional view of an embodiment of the present invention;

fig. 2 is a transverse cross-sectional view of an embodiment of the present invention.

Icon: 1-an air inlet; 2-a heat exchange shell; 3-a cooling liquid inlet; 4-a heat exchange conduit; 5-air outlet; 6-a drainage port; 7-coolant outlet; 8-a separator; 9-an overflow chamber; 10-leak proof plate; 11-a booster pump; 12-a heat sink; 13-a heat exchange cavity; 14-a humidity monitor; 15-a display screen; 16-an alarm; 17-temperature measuring device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, or an orientation or a positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the present invention should not be construed as being limited. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1 and 2, fig. 1 is a vertical cross-sectional view of an embodiment of the present invention; fig. 2 is a transverse cross-sectional view of an embodiment of the present invention.

This embodiment provides a heat exchanger, including heat transfer shell 2, air inlet 1 and gas outlet 5 have been seted up respectively at the both ends of heat transfer shell 2, are provided with two baffles 8 in the heat transfer shell 2, inject between two baffles 8 and form heat transfer chamber 13, are provided with an at least heat transfer pipeline 4 in the heat transfer chamber 13, and arbitrary heat transfer pipeline 4 all communicates with air inlet 1 and gas outlet 5, is provided with leak protection plate 10 between baffle 8 and the heat transfer shell 2, forms overflow chamber 9 between leak protection plate 10 and the baffle 8.

Above-mentioned heat transfer shell 2 is the drum structure, and above-mentioned heat transfer shell 2 is used for bearing the weight of the structure of heat transfer liquid can 2 internal portions of effectual protection heat transfer shell not receive the damage, promotes its life.

In this embodiment, above-mentioned baffle 8 is used for forming the structure of the heat transfer of being convenient for of the main heat transfer chamber 13 body and carries out the heat exchange inside heat transfer chamber 13, very big promotion its performance. A heat exchange pipe 4 is arranged in the heat exchange cavity 13 in a penetrating manner and used for circulating heat exchange gas or liquid so as to facilitate cooling or heating of the gas. The leakage-proof plate 10 is used for preventing leakage of heat exchange materials caused by mixing of leaked heat exchange liquid and the heat exchange materials, and safety performance of the leakage-proof plate in use is improved. The overflow cavity 9 is used for discharging leaked cooling liquid, so that the leakage of the cooling liquid is avoided from contacting with substances in the heat exchange pipeline 4, and the damage of the heat exchange liquid and the pollution of substances needing heat exchange are conveniently caused.

In this embodiment, a sealing gasket is disposed between the heat exchange tube 4 and the leakage-proof plate 10, and a sealing gasket is also disposed between the partition plate 8 and the heat exchange tube 4, so as to improve the sealing performance of the heat exchange cavity 13.

Referring to fig. 1, in some embodiments of the present embodiment, an air outlet flow channel is correspondingly disposed on the air outlet 5, a temperature measuring device 17 is disposed on the air outlet flow channel, the temperature measuring device 17 includes at least one temperature measuring element and a display screen 15, a plurality of temperature measuring elements are circumferentially disposed on the air outlet flow channel, the display screen 15 is disposed on the heat exchange shell 2, and the display screen 15 is connected to the plurality of temperature measuring elements.

The air outlet 5 is used for discharging the heat-exchanged substances, so that the substances can be conveniently discharged. The air outlet flow channel is used for being connected with an external pipeline, so that the use of substances after heat exchange is facilitated. The temperature measuring device 17 is disposed on the air outlet flow passage, and a plurality of temperature measuring devices are circumferentially disposed on the air outlet flow passage, so as to measure the temperature of the substance inside the air outlet flow passage. The temperature measuring piece is a temperature sensor, so that the temperature can be conveniently measured, the average value of the temperature measuring piece is calculated through multi-dimensional measurement, and the temperature measuring accuracy is improved. When the temperature-measuring device is used, data with larger temperature difference are directly discarded, so that the accuracy of the data is further improved.

Above-mentioned display screen 15 is used for the temperature that real-time demonstration temperature measurement spare recorded, is convenient for to the observation of temperature and the extraction of data, greatly promotes its performance.

In this embodiment, the display screen 15 may be a touch screen, also called a "touch screen" or a "touch panel", which is an inductive liquid crystal display device capable of receiving input signals such as a touch, and when a graphical button on the screen is touched, the tactile feedback system on the screen can drive various connecting devices according to a pre-programmed program, so as to replace a mechanical button panel and produce vivid video and audio effects by the liquid crystal display screen. As a latest computer input device, the touch screen is a simple, convenient and natural man-machine interaction mode. The multimedia interactive device gives the multimedia a brand-new appearance and is a brand-new multimedia interactive device with great attractiveness.

In the embodiment, the touch screen is convenient for operating and calling the stored data, and the using effect of the touch screen is improved.

In this embodiment, the temperature measuring component may be a temperature sensor, and the temperature sensor is a sensor capable of sensing temperature and converting the sensed temperature into a usable output signal. The temperature sensor is the core part of the temperature measuring instrument and has a plurality of varieties. The measurement method can be divided into a contact type and a non-contact type, and the measurement method can be divided into a thermal resistor and a thermocouple according to the characteristics of sensor materials and electronic elements. In this embodiment, select for use the temperature sensor of contact, its temperature that detects is more accurate, its measuring accuracy of very big promotion.

Referring to fig. 1, in some embodiments of the present invention, a humidity monitor 14 is disposed on a side of the partition plate 8 away from the heat exchange cavity 13, the humidity monitor 14 is connected to an alarm 16, and the alarm 16 is disposed on the heat exchange shell 2. The humidity monitor 14 is used for detecting whether the leakage of the heat exchange liquid exists in the leakage cavity in real time, so that the leakage problem can be conveniently treated, the use safety performance of the humidity monitor is improved, and accidents are avoided.

The alarm 16 is used for alarming the detection result that leakage exists, so that propagation of leakage information is accelerated, and a user can conveniently perform targeted processing.

In this embodiment, the moisture monitor 14 is a moisture sensitive element, which is the simplest moisture sensor. The humidity sensor mainly includes resistance type and capacitance type. The humidity sensitive resistor features that a layer of humidity sensitive material is coated on the substrate, and when water vapor in air is adsorbed onto the humidity sensitive film, the resistivity and resistance of the element are changed. The humidity sensitive capacitor is generally made of a polymer film capacitor, and the commonly used polymer materials include polystyrene, polyimide, acetate butyrate and the like. When the environmental humidity changes, the dielectric constant of the humidity sensitive capacitor changes, so that the capacitance of the humidity sensitive capacitor also changes, and the capacitance change quantity of the humidity sensitive capacitor is in direct proportion to the relative humidity. The accuracy of the electronic humidity-sensitive sensor can reach 2-3% RH, which is higher than the humidity measurement precision of a wet and dry bulb. It is convenient for to the survey of humidity in the overflow chamber 9, and whether the above-mentioned overflow chamber 9 of convenient to use real-time monitoring of user takes place to leak, very big its performance.

The alarm 16 is an audible and visual alarm 16, which is set to meet the special requirements of customers on the alarm loudness and installation position. Simultaneously, two alarm signals of sound and light are sent out. The special field is as follows: industries such as ferrous metallurgy, telecommunication towers, hoisting machinery, engineering machinery, ports and docks, transportation, wind power generation, ocean vessels and the like; is an accessory product in an industrial alarm system. The audible and visual alarm 16 is convenient for monitoring the humidity signal in real time when in use, and greatly improves the safety performance.

Referring to fig. 1, in some embodiments of the present invention, the heat exchange shell 2 is provided with a drain opening 6, the drain opening 6 is located between the partition plate 8 and the leakage-proof plate 10, and the drain opening 6 is communicated with the overflow cavity 9. The discharge opening 6 is used for timely discharging the heat exchange liquid leaked into the overflow cavity 9, and the leaked heat exchange liquid is prevented from gathering to cause pollution to heat exchange substances.

Referring to fig. 1, in some embodiments of the present invention, the drain opening 6 is located at a side of the overflow cavity 9 close to the partition 8. The discharge outlet 6 is divided into an upper discharge outlet 6 and a lower discharge outlet 6, and the upper discharge outlet 6 is used for discharging the heat exchange liquid overflowing from the upper part. The lower discharge outlet 6 is located on one side of the overflow cavity 9 close to the leakage-proof plate 10, so that the leaked heat exchange liquid can be discharged quickly and prevented from being accumulated in the heat exchange cavity 13.

In some embodiments of this embodiment, the heat exchange shell 2 is provided with a cooling liquid inlet 3 and a cooling liquid outlet 7, and the cooling liquid inlet 3 and the cooling liquid outlet 7 are respectively located at two ends of the heat exchange cavity 13. The cooling liquid inlet 3 is used for introducing cooling liquid, so that the liquid in the pipeline can exchange heat conveniently.

In other embodiments, the cooling fluid inlet 3 may also be used for introducing a heat exchange fluid with a high temperature, so that the heat exchange fluid can heat the substance in the heat exchange pipeline 4.

The cooling liquid outlet 7 is used for discharging secondary high-temperature liquid after heat exchange, so that the heat exchange efficiency in the heat exchange cavity 13 is improved conveniently.

Referring to fig. 1, in some embodiments of the present invention, the cooling liquid inlet 3 is provided with a liquid inlet channel, and the liquid inlet channel is provided with a booster pump 11 in series. The liquid inlet channel is used for conveying cooling liquid and a machine for butt-joint conveying of the cooling liquid, and conveying of the cooling liquid is facilitated. The booster pump 11 is used for accelerating the inflow of the cooling liquid, so as to accelerate the outflow of the cooling liquid in the heat exchange cavity 13 and improve the heat exchange efficiency.

In this embodiment, the booster pump 11 may be a gas-liquid type booster pump 11, and the gas-driven portion of the pump body, which automatically reciprocates by using a single-gas-controlled unbalanced gas distribution valve, is made of an aluminum alloy until the pressure is balanced again. The liquid receiving part is made of carbon steel or stainless steel according to different media, and all sealing parts of the pump are imported high-quality products, so that the performance of the gas-liquid booster pump 11 is guaranteed.

In some embodiments of the present invention, the heat exchange pipe 4 is made of a metal material, and the heat exchange pipe 4 is covered with an electroplated layer. The heat exchange pipe 4 is made of metal material, so that the heat conduction of the heat exchange pipe 4 is improved.

Preferably, the heat exchange pipe 4 can be made of copper, which is a metal element and also a transition element, for the heat exchange pipe 4. Pure copper is soft metal, has red orange color band metallic luster when the surface is just cut, and has a purplish red simple substance. The ductility is good, and the thermal conductivity and the electric conductivity are high, so the material is the most commonly used material in cables and electric and electronic components, can also be used as a building material, and can form a plurality of alloys. Copper alloys have excellent mechanical properties and very low electrical resistivity, the most important of which are bronze and brass. In addition, copper is also a durable metal that can be recycled many times without compromising its mechanical properties. Its excellent heat conductivity and mechanical properties, its shaping of being convenient for its heat transfer pipeline 4 and the exchange of being convenient for heat, very big promotion its performance of using.

In this embodiment, the inner and outer walls of the heat exchange pipe 4 are coated with electroplated layers to prevent the heat exchange pipe 4 from being rusted, thereby further improving the use performance.

In this embodiment, the electroplating is a process of plating a thin layer of other metal or alloy on the surface of some metal by using the principle of electrolysis, and is a process of attaching a metal film on the surface of a metal or other material by using the electrolysis, so as to prevent metal oxidation (such as corrosion), improve wear resistance, conductivity, reflectivity, corrosion resistance (such as copper sulfate) and enhance the appearance. The outer layer of many coins is also plated. The setting of plating layer is convenient for promote its above-mentioned heat transfer pipeline 4's performance, and the corrosion when avoiding its use, very big promotion its life-span of using.

Referring to fig. 1, in some embodiments of the present invention, the heat exchange tube 4 is a serpentine tube. The serpentine pipeline is used for increasing the length of the heat exchange pipeline 4 inside the heat exchange cavity 13, so that the stroke of heat exchange substances inside the heat exchange cavity 13 is convenient to use, and the heat exchange efficiency is high.

Referring to fig. 2, in some embodiments of the present invention, the heat exchange shell 2 is provided with a plurality of heat dissipation grooves 12, and the opening direction of the heat dissipation grooves 12 is parallel to the central line of the heat exchange cavity 13. The heat dissipation groove 12 is circumferentially arranged on the outer wall of the heat exchange shell 2 and used for increasing the contact area with air, so that the dissipation of heat in the heat exchange cavity 13 is accelerated, the heat conduction is further promoted, and the heat exchange efficiency is improved.

When the heat exchanger is used, the heat exchanger is communicated with a heat exchange machine, then the cooling liquid inlet 3 and the cooling liquid outlet 7 are respectively communicated with a water pipe, and then the control valves corresponding to the temperature measuring device 17, the humidity monitor 14 and the alarm 16 are opened, so that the heat exchanger can be electrified to normally work.

In summary, the embodiment of the present invention provides a heat exchanger, including a heat exchange shell 2, an air inlet 1 and an air outlet 5 are respectively formed at two ends of the heat exchange shell 2, two partition plates 8 are disposed in the heat exchange shell 2, a heat exchange cavity 13 is defined between the two partition plates 8, at least one heat exchange pipeline 4 is disposed in the heat exchange cavity 13, any heat exchange pipeline 4 is communicated with the air inlet 1 and the air outlet 5, a leakage-proof plate 10 is disposed between the partition plate 8 and the heat exchange shell 2, and an overflow cavity 9 is formed between the leakage-proof plate 10 and the partition plate 8. The heat exchange shell 2 is used for bearing heat exchange liquid to effectively protect the structure inside the heat exchange shell 2 from being damaged, and the service life of the heat exchange shell is prolonged. Above-mentioned baffle 8 is used for forming the structure of the heat transfer of being convenient for of the main heat transfer chamber 13 body and carries out the heat exchange in heat transfer chamber 13 inside, very big promotion its performance. A heat exchange pipe 4 is arranged in the heat exchange cavity 13 in a penetrating manner and used for circulating heat exchange gas or liquid so as to facilitate cooling or heating of the gas. The leakage-proof plate 10 is used for preventing leakage of heat exchange materials caused by mixing of leaked heat exchange liquid and the heat exchange materials, and safety performance of the leakage-proof plate in use is improved. The overflow cavity 9 is used for discharging leaked cooling liquid, so that the leakage of the cooling liquid is avoided from contacting with substances in the heat exchange pipeline 4, and the damage of the heat exchange liquid and the pollution of substances needing heat exchange are conveniently caused.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a heat exchanger, its characterized in that, includes the heat transfer shell, air inlet and gas outlet have been seted up respectively to the both ends of heat transfer shell, be provided with two baffles in the heat transfer shell, two inject between the baffle and form the heat transfer chamber, be provided with an at least heat transfer pipeline in the heat transfer chamber, arbitrary the heat transfer pipeline all with the air inlet with the gas outlet intercommunication, the baffle with be provided with leak protection plate between the heat transfer shell, leak protection plate with form the overflow chamber between the baffle.

2. The heat exchanger according to claim 1, wherein the gas outlet is correspondingly provided with a gas outlet flow passage, the gas outlet flow passage is provided with a temperature measuring device, the temperature measuring device comprises at least one temperature measuring part and a display screen, the gas outlet flow passage is circumferentially provided with a plurality of temperature measuring parts, the heat exchange shell is provided with the display screen, and the display screen is connected with the plurality of temperature measuring parts.

3. The heat exchanger according to claim 1, wherein a humidity monitor is arranged on one side of the partition plate, which is far away from the heat exchange cavity, and an alarm is connected with the humidity monitor and arranged on the heat exchange shell.

4. The heat exchanger of claim 1, wherein the heat exchange shell is provided with a drain outlet, the drain outlet is positioned between the partition plate and the leakage-proof plate, and the drain outlet is communicated with the overflow cavity.

5. The heat exchanger of claim 4, wherein the drain is located on a side of the overflow chamber adjacent the baffle.

6. The heat exchanger of claim 1, wherein the heat exchange shell is provided with a cooling liquid inlet and a cooling liquid outlet, and the cooling liquid inlet and the cooling liquid outlet are respectively located at two ends of the heat exchange cavity.

7. The heat exchanger of claim 6, wherein the cooling liquid inlet is provided with a liquid inlet passage, and the liquid inlet passage is provided with a booster pump in series.

8. The heat exchanger of claim 7, wherein the heat exchange tubes are made of a metal material, and the heat exchange tubes are covered with an electroplated layer.

9. The heat exchanger of claim 1, wherein the heat exchange tube is a serpentine tube.

10. The heat exchanger of claim 1, wherein the heat exchange shell is provided with a plurality of heat dissipation grooves, and the heat dissipation grooves are formed in a direction parallel to a center line of the heat exchange cavity.