Oxidizing air humidifying device

Abstract

The application provides an oxidizing air humidifying device, which comprises a body and a cooler, wherein a mixing cavity is arranged in the body, an air inlet for communicating with the mixing cavity is arranged on the body, oxidizing air enters the mixing cavity through the air inlet, the cooler is arranged on the body and one end of the cooler extends into the mixing cavity, in the use process, the cooler atomizes cooling water to form humidifying and temperature-reducing water mist through compressed gas, and sprays the humidifying and temperature-reducing water mist into the mixing cavity, so that the humidifying and temperature-reducing water mist is mixed with the oxidizing air in the mixing cavity, the fine water droplets in the humidifying and temperature-reducing water mist exchange heat and mass with the high-temperature oxidizing air after being mixed with the oxidizing air, and then the temperature of the oxidizing air is reduced and the humidity of the oxidizing air is increased, so that the humidifying and temperature-reducing purposes are achieved.

Description

Technical Field

[0001] This application relates to the technical field of calcium-based wet desulfurization systems, specifically to an oxidation air humidification device. Background Technology

[0002] In calcium-based wet desulfurization systems, oxidizing air is often required to oxidize the calcium sulfite produced in the reaction into more stable gypsum and promote the absorption of sulfur dioxide. Oxidizing air is usually supplied by a ventilation fan; however, during the compression process, the air temperature rises and the relative humidity decreases, which can easily cause scaling and blockage at the outlet of the oxidizing air duct where it contacts the slurry, affecting the normal operation of the unit. Therefore, to ensure the normal operation of the unit, it is necessary to de-temperature and humidify the oxidizing air entering the absorption tower. Utility Model Content

[0003] In view of the technical problems existing in the background art, this application provides an oxidation air humidification device, which humidifies and cools the oxidation air by mixing the water mist sprayed by the high-pressure atomizer with the oxidation air, thereby ensuring the normal operation of the unit.

[0004] In a first aspect, embodiments of this application provide an oxidizing air humidification device, comprising:

[0005] The main body has a mixing chamber inside and an air inlet for communicating with the mixing chamber.

[0006] A cooler is disposed on the main body, with one end of the cooler extending into the mixing chamber, through which humidifying and de-cooling water mist is sprayed into the mixing chamber for mixing with the oxidizing air.

[0007] Furthermore, in this embodiment, the air intake direction of the air inlet is not parallel to the direction of the humidifying and de-cooling water mist sprayed by the cooler.

[0008] Furthermore, in this embodiment, the air intake direction of the air inlet is perpendicular to the direction in which the cooler sprays humidifying and de-cooling water mist.

[0009] Furthermore, in this embodiment, the main body is also provided with an air outlet, and the air outlet is positioned in the direction in which the cooler sprays humidifying and cooling water mist.

[0010] Furthermore, in this embodiment, the air outlet is provided with a connector, which is used to fix an external object to the air outlet.

[0011] Furthermore, in this embodiment, the side wall of the main body is provided with a fixing port, the cooler extends into the mixing chamber through the fixing port, and the cooler is detachably connected to the main body.

[0012] Furthermore, in this embodiment, the fixing port is a threaded hole, and the side wall of the cooler is provided with a thread that matches the threaded hole. The cooler is detachably connected to the body through the thread.

[0013] Furthermore, in this embodiment, the cooler includes a cooling water pipe, a compressed air delivery pipe, and a nozzle. One end of the compressed air delivery pipe extends into the mixing chamber, and the nozzle is disposed at the end of the compressed air delivery pipe that extends into the mixing chamber. The nozzle has a cavity for mixing compressed air and cooling water. The cooling water pipe is disposed inside the compressed air delivery pipe, and one end of the cooling water pipe extends toward the cavity.

[0014] Furthermore, in this embodiment, the end of the nozzle is provided with an outlet for the humidifying and cooling water mist, and the end of the nozzle is provided with a plurality of such outlets, which are arranged around the end of the nozzle with the axis of the nozzle as the center.

[0015] Furthermore, in this embodiment, one end of the cooler that extends into the mixing chamber extends toward the air inlet, and the end of the cooler does not protrude from the air inlet.

[0016] Beneficial effects: This application provides an oxidizing air humidification device, including a main body and a cooler. The main body has a mixing chamber and an air inlet for communicating with the mixing chamber. Oxidizing air enters the mixing chamber through the air inlet. The cooler is installed on the main body, with one end extending into the mixing chamber. During use, the cooler atomizes cooling water with compressed gas to form a humidifying and de-cooling water mist, which is then sprayed into the mixing chamber. This allows the humidifying and de-cooling water mist to mix with the oxidizing air in the mixing chamber. The fine water droplets in the humidifying and de-cooling water mist undergo heat exchange and mass transfer after mixing with the high-temperature oxidizing air, thereby reducing the temperature and increasing the humidity of the oxidizing air, thus achieving the purpose of humidification and de-cooling.

[0017] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of this application, the accompanying drawings used in this application will be briefly described below. Obviously, the drawings described below are merely some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without any creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of an oxidation air humidification device provided in an embodiment of this application;

[0020] Figure 2 This is a cross-sectional view of an oxidizing air humidification device provided in an embodiment of this application;

[0021] Figure 3 For this application Figure 2 Enlarged view of part A in the middle.

[0022] Explanation of reference numerals in the attached figures:

[0023] 10. Ontology;

[0024] 110. Mixing chamber; 120. Air inlet; 130. Air outlet; 140. Connector; 150. Fixing port;

[0025] 20. Cooler;

[0026] 210 Cooling water pipe; 220 Compressed air delivery pipe; 230 Nozzle; 240 Nozzle outlet. Detailed Implementation

[0027] The embodiments of the present application will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the technical solution of this application and are therefore intended to limit the scope of protection of this application.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0029] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0030] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0031] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0032] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple sets" refers to two or more (including two sets), and "multiple pieces" refers to two or more (including two pieces).

[0033] In the description of the embodiments of this application, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0034] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0035] Calcium-based wet desulfurization systems are a widely used flue gas desulfurization technology in industrial fields such as coal-fired power plants. Its core is to achieve efficient desulfurization by chemically reacting calcium-based absorbents (such as limestone or quicklime) with sulfur dioxide (SO2) in flue gas.

[0036] In calcium-based wet desulfurization systems, oxidizing air is often required to oxidize the calcium sulfite produced in the reaction into more stable gypsum and promote the absorption of sulfur dioxide. Oxidizing air is usually supplied by a ventilation fan; however, during the compression process, the air temperature rises and the relative humidity decreases, causing scaling and blockage at the outlet of the oxidizing air duct where it contacts the slurry, affecting the normal operation of the unit. Therefore, to ensure the normal operation of the unit, it is necessary to de-temperature and humidify the oxidizing air entering the absorption tower.

[0037] To address the technical problem in calcium-based wet desulfurization systems where air temperature rises and relative humidity decreases during compression, causing scaling and blockage at the outlet of the oxidation air duct where it contacts the slurry, thus affecting the normal operation of the unit, this application provides an oxidation air humidification device. This device sprays humidifying and de-cooling water mist into the mixing chamber of the device via a cooler, mixing the humidifying and de-cooling water mist with the oxidation air, thereby humidifying and de-cooling the oxidation air and ensuring the normal operation of the unit.

[0038] Please refer to Figure 1 , Figure 1 This is a schematic diagram of an oxidizing air humidification device provided in an embodiment of this application. The oxidizing air humidification device includes a main body 10 and a cooler 20. The main body 10 has a mixing chamber 110 and an air inlet 120 for communicating with the mixing chamber 110. Oxidizing air enters the mixing chamber 110 of the main body 10 through the air inlet 120. The cooler 20 is installed on the main body 10, and one end of the cooler 20 extends into the mixing chamber 110. During use, the cooler 20 atomizes cooling water with compressed gas to form a humidifying and de-cooling water mist, and sprays the humidifying and de-cooling water mist into the mixing chamber 110. This allows the humidifying and de-cooling water mist to mix with the oxidizing air in the mixing chamber 110. The fine water droplets in the humidifying and de-cooling water mist mix with the high-temperature oxidizing air, resulting in heat exchange and mass transfer, which in turn lowers the temperature of the oxidizing air and increases the humidity, thereby achieving the purpose of humidification and de-cooling.

[0039] In some embodiments, such as Figure 2 As shown, the air inlet direction of the air inlet 120 is not parallel to the direction of the humidifying and de-cooling water mist sprayed by the cooler 20. It can be understood that in this embodiment, the air inlet direction of the air inlet 120 and the direction of the humidifying and de-cooling water mist sprayed by the cooler 20 are at a certain angle, so that the humidifying and de-cooling water mist and the air inlet direction form a coordinated flow, thereby enhancing the gas-liquid contact.

[0040] In some embodiments, such as Figure 2 As shown, the air inlet 120 is perpendicular to the direction of the humidifying and de-cooling water mist sprayed by the cooler 20, so that the humidifying and de-cooling water mist sprayed by the cooler 20 can be more fully mixed with the oxidizing air, thereby increasing the humidifying and de-cooling effect of the cooler 20 on the oxidizing air.

[0041] In some embodiments, such as Figure 2As shown, the main body 10 is also provided with an air outlet 130, and the air outlet 130 is located in the direction of the humidifying and de-cooling water mist sprayed by the cooler 20. It can be understood that in this embodiment, after the oxidizing air enters the mixing chamber 110 through the air inlet 120, it is fully mixed with the humidifying and de-cooling water mist sprayed by the cooler 20. During this process, the humidifying and de-cooling water mist sprayed by the cooler 20 will push the oxidizing air to flow towards the air outlet 130, thereby increasing the smoothness of the flow of oxidizing air in the main body 10.

[0042] In some embodiments, such as Figure 1 As shown, the air outlet 130 is provided with a connector 140, which is used to fix external objects to the air outlet 130. The connector 140 enables the air outlet 130 to be connected to the calcium-based wet desulfurization system more conveniently. For example, in this embodiment, the air outlet 130 of the oxidizing air humidification device body 10 and the calcium-based wet desulfurization system can be connected by a flange, a threaded connection, a quick-release connector, or direct welding.

[0043] It should be noted that when the air inlet 120 or cooler 20 on the main body 10 of the oxidation air humidification device is connected to other components, flange connection, threaded connection, quick-release joint connection or direct welding can also be used.

[0044] In some embodiments, such as Figure 2 As shown, the side wall of the main body 10 is provided with a fixing port 150. The cooler 20 extends into the mixing chamber 110 through the fixing port 150, and the cooler 20 is detachably connected to the main body 10. It can be understood that in this embodiment, the cooler 20 and the main body 10 are designed separately, so that when the cooler 20 needs to be maintained in the future, it can be disassembled and processed separately, thereby reducing the maintenance difficulty of the oxidation air humidification device.

[0045] In some embodiments, the fixing port 150 is a threaded hole, and the side wall of the cooler 20 is provided with a thread that matches the threaded hole. The cooler 20 is detachably connected to the body 10 through the thread. The connection between the cooler 20 and the body 10 through the thread reduces the difficulty of assembling and disassembling the cooler 20.

[0046] In some embodiments, such as Figure 3As shown, the cooler 20 includes a cooling water pipe 210, a compressed air delivery pipe 220, and a nozzle 230. One end of the compressed air delivery pipe 220 extends into the mixing chamber 110, and the nozzle 230 is located at the end of the compressed air delivery pipe 220 that extends into the mixing chamber 110. The nozzle 230 has a cavity for mixing compressed air and cooling water. The cooling water pipe 210 is located inside the compressed air delivery pipe 220, and one end of the cooling water pipe 210 extends towards the cavity. During use, cooling water and compressed air are delivered to the cavity of the nozzle 230 through the cooling water pipe 210 and the compressed air delivery pipe 220, respectively. When the cooling water comes into contact with the compressed air, the cooling water is dispersed by the compressed air to form droplets with a particle size of less than 120 micrometers, which are then sprayed out of the nozzle 230, thereby forming a humidifying and de-cooling water mist.

[0047] In some embodiments, the nozzle 230 has an outlet 240 for humidifying and de-cooling water mist at its end. The nozzle 230 has multiple outlets 240 at its end, and the outlets 240 are arranged around the end of the nozzle with the axis of the nozzle 230 as the center. The water mist is sprayed out through the multiple outlets 240 at the end of the nozzle 230 and can be evenly distributed in the mixing chamber 110, so that the humidifying and de-cooling water mist can come into more complete contact with the oxidizing air, thereby improving the humidifying and de-cooling effect of the oxidizing air.

[0048] In some embodiments, such as Figure 2 As shown, one end of the cooler 20 extends into the mixing chamber 110 and extends toward the air inlet 120, and the end of the cooler 20 does not protrude from the air inlet 120. It can be understood that in this embodiment, the air inlet 120 is located in front of the end of the cooler 20, so that the water mist sprayed by the cooler 20 can fully contact the oxidizing air to ensure the humidification and cooling effect of the oxidizing air.

[0049] It should be noted that this application is not limited to the above-described embodiments. The above embodiments are merely examples, and any embodiments with the same structure and effect as the technical concept within the scope of this application are included in the technical scope of this application. Furthermore, various modifications that can be conceived by those skilled in the art to the embodiments, and other ways of constructing by combining some of the constituent elements of the embodiments, without departing from the spirit of this application, are also included in the scope of this application.

Claims

1. An oxidizing air humidification device, characterized in that, include: The main body has a mixing chamber inside and an air inlet for communicating with the mixing chamber. A cooler is disposed on the main body, with one end of the cooler extending into the mixing chamber, through which humidifying and de-cooling water mist is sprayed into the mixing chamber for mixing with the oxidizing air.

2. The oxidizing air humidification device according to claim 1, characterized in that, The air intake direction of the air inlet is not parallel to the direction of the humidifying and de-cooling water mist sprayed by the cooler.

3. The oxidizing air humidification device according to claim 2, characterized in that, The air intake direction of the air inlet is perpendicular to the direction in which the humidifying and cooling water mist is sprayed from the cooler.

4. The oxidizing air humidification device according to claim 1, characterized in that, The main body is also provided with an air outlet, and the air outlet is positioned in the direction in which the cooler sprays humidifying and cooling water mist.

5. The oxidizing air humidification device according to claim 4, characterized in that, The air outlet is equipped with a connector for fixing external objects to the air outlet.

6. The oxidizing air humidification device according to claim 1, characterized in that, The side wall of the main body is provided with a fixing port, through which the cooler extends into the mixing chamber, and the cooler is detachably connected to the main body.

7. The oxidizing air humidification device according to claim 6, characterized in that, The fixing port is a threaded hole, and the side wall of the cooler is provided with a thread that matches the threaded hole. The cooler is detachably connected to the body through the thread.

8. The oxidizing air humidification device according to claim 1, characterized in that, The cooler includes a cooling water pipe, a compressed air delivery pipe, and a nozzle. One end of the compressed air delivery pipe extends into the mixing chamber. The nozzle is located at the end of the compressed air delivery pipe that extends into the mixing chamber. The nozzle has a cavity for mixing compressed air and cooling water. The cooling water pipe is located inside the compressed air delivery pipe, and one end of the cooling water pipe extends toward the cavity.

9. The oxidizing air humidification device according to claim 8, characterized in that, The nozzle has an outlet for humidifying and cooling water mist at its end. The nozzle has multiple outlets, which are arranged around the end of the nozzle with the axis of the nozzle as the center.

10. The oxidizing air humidification device according to claim 1, characterized in that, One end of the cooler extends into the mixing chamber toward the air inlet, and the end of the cooler does not protrude from the air inlet.

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