Pipeline humidifying device suitable for pressurized building and pressurized building humidifying system

Abstract

The invention discloses a pipeline humidifying device suitable for a pressurized building and a pressurized building humidifying system. One end of the pipeline humidifying device can be connected with pressurized equipment through a pipeline, and the other end of the pipeline humidifying device can communicate with the pressurized building through a pipeline. The pipeline humidifying device comprises a pipe body, a wet film and a water injection part; the two ends of the pipe body are provided with structures used for being in butt joint with pipelines. The wet film is suspended in the middle in the pipe body and is unfolded into a barrel shape, and the center line of the wet film coincides with the center line of the pipe body; the water injection part is installed on the pipe body, connected with an external water source and used for guiding water to the wet film through control, and water backflow caused by pressure relief of the pipe body and air pressure in the pipe body can be avoided; capillary structures capable of diffusing moisture are distributed on the wet film, and when airflow passes through the pipe body, the moisture on the wet film can be evaporated so as to humidify air guided into the pressurized building. According to the pipeline humidifying device, pressurized fresh air can be humidified on line, the internal space of a pressurized building is not occupied, the humidifying efficiency is high, the maintenance cost is low, and extra energy is not consumed.

Description

Technical Field

[0001] The present invention relates to humidification in buildings, and in particular to a pipeline humidifying device suitable for pressurized buildings and a pressurized building humidifying system. Background Art

[0002] A livable indoor environment requires appropriate air humidity inside the building, but pressurized buildings have low internal humidity for the following reasons: 1) Geographical reasons. Pressurized buildings are used in plateau areas, which are generally located in severe cold and cold climate zones. The characteristic of such climate zones is low relative humidity, especially in winter; 2) Technical reasons. The indoor air of pressurized buildings comes from the outdoors. In winter, the air inside the building will be heated by heating facilities. As the air temperature rises, the indoor relative humidity will further decrease.

[0003] To improve the comfort of pressurized buildings, it is necessary to increase the humidity inside the buildings. Existing humidification systems for pressurized buildings are no different from those used in ordinary buildings. They can be broadly categorized as high-pressure spray humidification, steam spray humidification, wet film humidification, breathable film humidification, and ultrasonic humidification. Each humidification system is connected in series to the fresh air system.

[0004] The humidification systems currently used in pressurized buildings have the following disadvantages: 1) High energy consumption. Existing humidification systems require additional energy input. For example, water is converted into steam through heating, and water mist is formed through impact and ultrasound through water pressurization, which all consume a lot of energy; 2) Large size. The unit area cost of pressurized buildings is much higher than that of ordinary buildings, and intensive use of space is required. Traditional humidification systems are not airtight and cannot withstand large pressure differences. The equipment needs to be installed in the pressurized space, which reduces the space utilization rate of the pressurized building; 3) Difficult maintenance. Existing humidification systems have the problem of mold inside the device due to moisture, which requires regular maintenance. In addition, due to the large size of the device, maintenance is somewhat difficult; 4) Single performance. Existing humidification systems only have humidification function. Summary of the Invention

[0005] One of the purposes of the present invention is to provide a pipe humidifying device suitable for pressurized buildings. The pipe humidifying device can humidify the pressurized fresh air leading to the pressurized building online, does not occupy the internal space of the pressurized building, has high humidification efficiency, low maintenance cost, and does not consume additional energy. The second purpose of the present invention is to provide a pressurized building humidification system, which includes the above-mentioned pipe humidifying device. On the basis of having the performance of the above-mentioned pipe humidifying device, it can also reduce air conditioning energy consumption and heating energy consumption.

[0006] The technical solution adopted in the present invention is: A pipe humidifying device suitable for a pressurized building, wherein one end of the pipe humidifying device can be connected to a pressurizing device through a pipe, and the other end can be connected to the pressurized building through a pipe; the pipe humidifying device comprises a pipe body, a wet membrane and a water injection part; both ends of the pipe body are provided with structures for docking with the pipe; the wet membrane is suspended and installed in the middle of the pipe body, and the wet membrane is unfolded into a cylindrical shape with its own center line coinciding with the center line of the pipe body; the water injection part is installed on the pipe body, which is connected to an external water source and is used to guide water to the wet membrane through control, and can avoid pipe body pressure relief and water backflow caused by air pressure in the pipe body; capillary tissue that can diffuse water is distributed on the wet membrane, and when the air flow passes through the pipe body, the water on the wet membrane can be evaporated, thereby humidifying the air introduced into the pressurized building.

[0007] Preferably, the pipeline humidifying device further comprises an annular member for unfolding the wet film and suspending the wet film, the wet film is wound and fixed on a plurality of annular members to form a cylindrical shape with front and rear openings, and the annular members are connected to the inner wall of the pipe body.

[0008] Preferably, the wet film is connected to two annular members only at two ends, and the two annular members pull the wet film to avoid sagging to the inner wall of the tube body; or the wet film is connected to two annular members at both ends, and the wet film is connected to at least one annular member along the line, and each annular member spreads the wet film to prevent it from sagging to the inner wall of the tube body.

[0009] Preferably, the wet film is configured by all the annular members to be in a cylindrical shape with large ends and a small middle, so that the airflow can be accelerated when passing through the wet film.

[0010] Preferably, the annular member is a fixed ring member with non-adjustable size, or a hoop member with adjustable size; the annular member is fixed to the inner wall of the tube body by supporting short rods along the line.

[0011] Preferably, the water injection part includes a water injection pipe, which is sealed and installed on the pipe body, and the upper end of the water injection pipe is used to connect to an external water source, and the lower end is close to the top of the wet film in the gravity direction. The water injection pipe is provided with a stop valve for controlling the on and off and a one-way valve for avoiding pressure relief and water backflow. The stop valve is located downstream of the one-way valve, and the one-way valve allows the water in the water injection pipe to flow only from the one-way valve to the stop valve.

[0012] Preferably, the lower end of the water injection pipe is located in front of the wet film; or, the lower end of the water injection pipe is provided with a plurality of branches, each branch being distributed along the top line in the gravity direction of the wet film.

[0013] Preferably, a sunken water collection tank is provided at the bottom of the pipe body, and a drain pipe is provided at the bottom of the water collection tank for discharging the accumulated water; the drain pipe adopts a transparent section to observe the accumulated water inside, or the drain pipe is equipped with a water level gauge to observe the accumulated water inside; two valves are provided on the drain pipe.

[0014] Preferably, the pipeline humidifying device also includes a baffle for blocking the airflow from passing through the outside of the wet membrane; the baffle is installed at the inlet end of the pipe body and is located in the annulus between the pipe body and the wet membrane; the baffles are continuously arranged in a ring shape, or the baffles are arranged at intervals along the pipe body.

[0015] A pressurized building humidification system comprises a pressurizing device, a pressurized fresh air pipeline and a water supply device; the pressurizing device is used to provide pressurized fresh air to the pressurized building through the pressurized fresh air pipeline, and the pressurized fresh air pipeline is provided with the above-mentioned pipeline humidification device; the water supply device comprises a water supply pipeline, the upstream of the water supply pipeline is connected to an external water source, the midstream is a parallel heating section and a non-heating section, and the downstream is connected to a water injection part through a flow regulating component, the heating section can use solar energy to heat the water passing through, and the heating section and the non-heating section are switched by a switching component to be put into use, and the heating section is connected to the water point of the pressurized building.

[0016] The beneficial effects of the present invention are: For the pipeline humidification device: when working, the pressurized fresh air enters the pipe body from the upwind pipe section. At the same time, the water injection part introduces external water into the wet membrane. The water on the wet membrane diffuses under the action of its own gravity, the capillary action of the capillary structure on the wet membrane, and the wind drive of the pressurized fresh air in the pipe body, thereby increasing the area of water soaking the wet membrane, and then increasing the contact area between water and air in the pipe body, thereby accelerating the evaporation of water in the pipe body. The evaporated water vapor is directly mixed with the pressurized fresh air and enters the downwind pipe section with the pressurized fresh air, and finally leads to the pressurized building, realizing online humidification of the pressurized fresh air leading to the pressurized building. All components are outside the pressurized building and do not occupy the internal space of the pressurized building; the pressurized fresh air coming out of the boosting equipment has the characteristics of high temperature and high wind speed. According to Dalton's law of evaporation, high temperature and high wind speed can significantly increase the evaporation effect (the formula of Dalton's law of evaporation is W=C(Ee) / p , where: W is the evaporation rate of the water surface; E is the saturated vapor pressure of water at a constant temperature, the higher the temperature, the greater the E value; e is the actual water vapor partial pressure of the air; C is the proportional coefficient related to the wind speed, the higher the wind speed, the greater the C value). Therefore, the water on the wet film can not only quickly diffuse under the three effects of gravity, capillary action, and wind drive, thereby accelerating evaporation, but can also further accelerate evaporation under the high temperature and high speed characteristics of the pressurized fresh air. Therefore, the characteristics of the pressurized building are effectively utilized, and the humidification efficiency is high. The pipeline humidification device uses the pipe body as the main body and installation basis. The installation and removal methods are the same as other pipe sections. Other types of humidification systems require additional components for installation. The pipeline humidification device only needs to install the pipe body, and the loading and unloading method is simple. Convenient; and, when humidification is not needed, the introduction of external water can be stopped, and the moisture remaining on the wet film will be quickly dried by the high-temperature and high-speed pressurized fresh air. After that, the high-temperature and high-speed pressurized fresh air will keep the temperature inside the pipe body at a high level, so there is no need for anti-mildew treatment, and the maintenance cost is low; and, the pipeline humidifying device uses the steam evaporated from liquid water to humidify the air, and the energy for the evaporation of liquid water all comes from the high-temperature and high-speed pressurized fresh air passing through the pipe body, utilizing the characteristics of the pressurized building itself, and does not consume additional energy to achieve humidification; and, the pipeline humidifying device has a simple structure, not only low cost, but also the direction of the wet film in the pipe body is the same as the wind direction, the components inside the pipe body have limited reduction in the flow area of the pressurized fresh air, and the wind resistance is small.

[0017] The wet film is set to a cylindrical shape with large ends and a small middle, which can accelerate the airflow when passing through the wet film, thereby enhancing the evaporation efficiency of water on the wet film.

[0018] In the water injection part, when the stop valve is closed, water injection can be stopped immediately and pressure relief can be prevented. When the stop valve is opened, the external water source is injected into the wet membrane through the one-way valve and the stop valve. Due to the use of the one-way valve, the backflow of water caused by the high pressure in the pipe body can be avoided. When the stop valve is opened to inject water, a water head will be quickly formed to form a water seal, which can also prevent pressure relief.

[0019] When the wet film is short, the lower end of the water injection pipe is only set in front of the wet film to ensure the diffusion of water; when the wet film is long, the branches of the lower end of the water injection pipe are distributed along the top of the wet film in the direction of gravity, so that the water can be diffused along the wet film as much as possible, avoiding water concentration and ensuring that there is water along the wet film and can evaporate.

[0020] When too much water is injected or the pressurized fresh air is insufficient, water will fall into the bottom of the pipe body. At this time, the pressurized fresh air will drive the accumulated water to diffuse along the pipe, which is not conducive to rust prevention and humidity control. Therefore, a water collection tank is used to collect the accumulated water and a drain pipe is used to drain the water. When internal water accumulation is observed, first open the upper valve to let the accumulated water fall on the lower valve, then close the upper valve, and then open the lower valve. In this way, the water can be discharged without pressure relief.

[0021] When the pressurized fresh air passes through the outside of the wet membrane, it will cause the wet membrane to have an inward contraction force, causing the water injection part to be out of contact with the wet membrane, and the water may be blown away by the strong wind before it is completely diffused. Therefore, it is necessary to allow all or most of the pressurized fresh air to pass through the inside of the wet membrane, so a baffle is used in the annulus between the pipe body and the wet membrane.

[0022] For the humidification system: during humidification in summer, the switching component puts the non-heating section into use, and the water source enters the water injection section without being heated. The low-temperature water (the water source temperature is significantly lower than the temperature of the pressurized fresh air) undergoes two processes of heating and evaporation in the pipe body. Both processes will absorb heat energy in the air. In this way, the temperature of the pressurized fresh air sent into the pressurized building can be reduced, thereby reducing air conditioning energy consumption; during humidification in winter, the switching component puts the heating section into use, and the water source enters the water injection section after being heated. The high-temperature water (the temperature of the water source after heating is higher than the temperature of the pressurized fresh air) further heats the pressurized fresh air in the pipe body, which can increase the temperature of the pressurized fresh air sent into the pressurized building, thereby reducing heating energy consumption. Using solar energy to heat the water source will not increase the energy consumption of heating water. In addition, during humidification, the flow rate of external water entering the water injection section can be controlled to control the humidity. Moreover, when not humidifying, solar energy can also be used to heat the water used in the pressurized building. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 This is a perspective view of a pipe humidifying device suitable for pressurized buildings in Example 1 of the present invention. Figure 1 .

[0025] Figure 2 This is a perspective view of a pipe humidifying device suitable for pressurized buildings in Example 1 of the present invention. Figure 2 .

[0026] Figure 3 It is a cross-sectional view of a pipeline humidifying device suitable for pressurized buildings in Example 1 of the present invention.

[0027] Figure 4 It is a cross-sectional view of a pipeline humidifying device suitable for pressurized buildings in the second embodiment of the present invention.

[0028] Figure 5 It is a cross-sectional view of a pipeline humidifying device suitable for pressurized buildings in embodiment 3 of the present invention.

[0029] Figure 6 It is a cross-sectional view of a pipeline humidifying device suitable for pressurized buildings in embodiment 4 of the present invention.

[0030] Figure 7 It is a cross-sectional view of a pipeline humidifying device suitable for pressurized buildings in Example 5 of the present invention.

[0031] Figure 8 This is a front elevation view of a pipeline humidifying device suitable for pressurized buildings in a sixth embodiment of the present invention.

[0032] Figure 9 Schematic diagram of a pressurized building humidification system in Example 7 of the present invention.

[0033] Figure 10 Schematic diagram of the pressurized building humidification system in Example 8 of the present invention.

[0034] In the figure: 1-pipe body; 2-wet film; 3-water injection part; 4-pipe interface; 5-ring part; 6-short rod; 7-water injection pipe; 8-one-way valve; 9-stop valve; 10-water collecting tank; 11-drain pipe; 12-valve; 13-branch; 14-baffle; 15-switching part; 16-flow regulating part. DETAILED DESCRIPTION

[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0036] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0037] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0038] In the description of this application, it should be noted that the terms "front", "rear", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on this application.

[0039] In addition, the terms “transversely arranged”, “horizontally placed” and the like do not mean that the components are required to be absolutely horizontal, but may be slightly tilted.

[0040] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0041] The features and performance of the present application are further described in detail below with reference to the embodiments.

[0042] Example 1 This embodiment discloses a pipe humidifying device suitable for pressurized buildings, one end of the pipe humidifying device can be connected to the pressurizing equipment through a pipe, and the other end can be connected to the pressurized building through a pipe; Figures 1 to 3 As shown, the pipeline humidifying device includes a pipe body 1, a wet membrane 2 and a water injection part 3; wherein: both ends of the pipe body 1 are provided with a structure for docking the pipe, that is, both ends of the pipe body 1 are provided with a pipe interface 4, see Figures 1 to 3 ; The wet film 2 is suspended and installed in the middle of the tube body 1. The wet film 2 is unfolded into a cylindrical shape and its center line coincides with the center line of the tube body 1. Figures 1 to 3 The water injection portion 3 is mounted on the pipe body 1 and is connected to an external water source for guiding water to the wet membrane 2 by controlling the water flow and avoiding the backflow of water caused by the pressure relief of the pipe body 1 and the air pressure inside the pipe body 1. Figures 1 to 3The wet film 2 is distributed with capillary structures that can diffuse moisture. When the airflow passes through the tube body 1, the moisture on the wet film 2 can be evaporated, thereby humidifying the air introduced into the pressurized building.

[0043] While working: The pipeline humidifying device is installed as a humidifying section on the pressurized fresh air pipeline. The pressurized fresh air enters the pipe body 1 from the upwind pipe section. At the same time, the water injection part 3 introduces external water into the wet membrane 2. The water on the wet membrane 2 diffuses under the action of its own gravity, the capillary action of the capillary structure on the wet membrane 2, and the wind drive of the pressurized fresh air in the pipe body 1, thereby increasing the area of the wet membrane soaked with water, and then increasing the contact area between water and air in the pipe body 1, thereby accelerating the evaporation of water in the pipe body 1. The evaporated water vapor is directly mixed into the pressurized fresh air and enters the downwind pipe section with the pressurized fresh air, and finally leads to the pressurized building, thereby realizing online humidification of the pressurized fresh air leading to the pressurized building.

[0044] The pressurized fresh air coming out of the boosting equipment has the characteristics of high temperature and high wind speed. According to Dalton's law of evaporation, high temperature and high wind speed can significantly increase the evaporation of water (the formula of Dalton's law of evaporation is W=C(Ee) / p, where: W is the evaporation rate of the water surface; E is the saturated vapor pressure of water at a constant temperature, and the higher the temperature, the greater the E value; e is the actual water vapor partial pressure of the air; C is the proportional coefficient related to the wind speed, and the higher the wind speed, the greater the C value). Therefore, the water on the wet film 2 can not only quickly diffuse under the three effects of gravity, capillary action, and wind drive, thereby accelerating evaporation, but can also further accelerate evaporation under the high temperature and high speed characteristics of the boosted fresh air. Therefore, the characteristics of the boosted building are effectively utilized, and the humidification efficiency is high.

[0045] In this embodiment, preferably: Figures 1 to 3 As shown, the pipeline humidifying device also includes an annular member 5 for unfolding the wet film 2 and suspending the wet film 2. The wet film 2 is wrapped and fixed on multiple annular members 5 to form a cylindrical shape with front and back openings. The annular member 5 is connected to the inner wall of the pipe body 1. The cam 5 is preferably provided with a plurality of holes for the cam 5 to be fixed to the cam 5. The cam 5 is preferably provided with a plurality of holes for the cam 5 to be fixed to the cam 5. The cam 5 is preferably provided with a plurality of holes for the cam 5 to be fixed to the cam 5. Figures 1 to 3As shown, the annular member 5 is supported and fixed on the inner wall of the tube body 1 by short rods 6 along the line. The number of short rods 6 on the annular member 5 is preferably 2 to 8. If there are too few short rods 6, the connection is unreliable, and if there are too many short rods 6, the passage of the pressurized fresh air is affected. The short rods 6 are preferably evenly distributed to avoid affecting the distribution of the pressurized fresh air. Figures 1 to 3 As shown, the wet film 2 is connected to two annular members 5 only at two ends. The two annular members 5 pull the wet film 2 apart to prevent it from sagging to the inner wall of the tube body 1 .

[0046] In this embodiment, the pipe interface 4 can connect to a conventional pipe section without humidification function and other humidification sections. The pipe interface 4 can adopt one of threaded connection, clamp connection, flange connection, and sleeve connection.

[0047] In this embodiment, the front end of the wet film 2 is 1 to 5 cm inside the front end of the tube body 1, and the rear end of the wet film 2 is 1 to 5 cm inside the rear end of the tube body 1. The diameter of the cylinder of the wet film 2 is 0.3 to 0.8 times the diameter of the tube body 1. The contact position between the lower end of the water injection part 3 and the top of the wet film 2 is 1 to 3 cm away from the front end of the wet film 2.

[0048] In this embodiment, the water injection portion 3 and the pipe body 1 are sealed by welding.

[0049] The pipeline humidification device uses the pipe body 1 as the main body and installation base, and the installation and removal methods are the same as other pipe sections. Other types of humidification systems require additional components for installation, while the pipeline humidification device only needs to install the pipe body 1, and it is easy to install and remove. In addition, all components are located outside the pressurized building and do not occupy the internal space of the pressurized building. In addition, when humidification is not required, the introduction of external water can be stopped, and the residual moisture on the wet film 2 will be quickly dried by the high-temperature and high-speed pressurized fresh air. After that, the high-temperature and high-speed pressurized fresh air will keep the temperature inside the pipe body 1 at a high level, so there is no need for mildew prevention treatment, and the maintenance cost is low. In addition, the pipeline humidification device uses the vapor evaporated from liquid water to humidify the air. The energy for the evaporation of liquid water comes entirely from the high-temperature and high-speed pressurized fresh air passing through the pipe body 1, utilizing the characteristics of the pressurized building itself and achieving humidification without consuming additional energy. In addition, the pipeline humidification device has a simple structure, which is not only low in cost, but also the direction of the wet film 2 in the pipe body 1 is the same as the wind direction, and the components inside the pipe body 1 have limited reduction in the flow area of the pressurized fresh air, resulting in low wind resistance.

[0050] Example 2 This embodiment discloses a second pipe humidifying device suitable for pressurized buildings: Figure 4As shown, the wet film 2 is connected to two annular members 5 at each end. The wet film 2 is connected to at least one annular member 5 along the line. Each annular member 5 unfolds the wet film 2 to prevent it from sagging onto the inner wall of the tube body 1. The annular members 5 at both ends of the wet film 2 are necessary because they can maintain the shape of the front and rear ends of the wet film 2 and avoid affecting the passage of fresh air. When the wet film 2 is axially short, the wet film 2 can be kept suspended by relying solely on the pull of the annular members 5 at both ends. However, when the wet film 2 is axially long or has a variable diameter structure, additional annular members 5 are required.

[0051] This embodiment specifically discloses a water injection part 3: In this embodiment, as Figure 4 As shown, the water injection part 3 includes a water injection pipe 7, which is sealed and installed on the pipe body 1, and the upper end of the water injection pipe 7 is used to connect to the external water source, and the lower end is close to the top of the wet film 2 in the gravity direction. The water injection pipe 7 is provided with a stop valve 9 for controlling the on-off and a one-way valve 8 for preventing pressure relief and water backflow. The stop valve 9 is located downstream of the one-way valve 8. The one-way valve 8 allows the water in the water injection pipe 7 to flow only from the one-way valve 8 to the stop valve 9. When the stop valve 9 is closed, the water injection can be stopped immediately and the pressure relief can be prevented. When the stop valve 9 is opened, the external water source passes through the one-way valve 8 and the stop valve 9 to inject water into the wet film 2. Due to the use of the one-way valve 8, the water backflow caused by the high pressure in the pipe body 1 can be avoided. When the stop valve 9 is opened to inject water, a water head will be quickly formed to form a water seal, which can also prevent pressure relief.

[0052] In this embodiment: Figure 4 As shown, the lower end of the water injection pipe 7 is located in front of the wet film 2. When the wet film 2 is short, the lower end of the water injection pipe 7 is only located in front of the wet film 2 to ensure the degree of water diffusion. Example 3 This embodiment discloses a third pipe humidifying device suitable for pressurized buildings: Figure 5 As shown, the wet film 2 is configured by all the annular members 5 to be cylindrical with large ends and a small center, so that the airflow can be accelerated when passing through the wet film 2. The wet film 2 is configured to be cylindrical with large ends and a small center, so that the airflow can be accelerated when passing through the wet film 2, thereby enhancing the evaporation efficiency of the water on the wet film 2.

[0053] Example 4 This embodiment discloses a fourth pipeline humidifying device suitable for pressurized buildings: Figure 6As shown, a sunken water collection trough 10 is provided at the bottom of the pipe body 1, and a drain pipe 11 is provided at the bottom of the water collection trough 10 for draining the accumulated water. The drain pipe 11 adopts a transparent section to observe the accumulated water inside, or the drain pipe 11 is equipped with a water level gauge to observe the accumulated water inside. The drain pipe 11 is provided with upper and lower valves 12. When too much water is injected or the pressurized fresh air is insufficient, water will fall into the bottom of the pipe body 1. At this time, the pressurized fresh air will drive the accumulated water to diffuse along the pipe, which is not conducive to rust prevention and humidity control. Therefore, the water collection trough 10 is used to collect the accumulated water and the drain pipe 11 is used to drain the water. When the water is observed to be accumulated inside, the upper valve 12 is first opened to let the accumulated water fall onto the lower valve 12, then the upper valve 12 is closed and the lower valve 12 is opened again. In this way, the water can be discharged without pressure relief.

[0054] Example 5 This embodiment discloses a fifth pipe humidifying device suitable for pressurized buildings: Figure 7 As shown, the lower end of the water injection pipe 7 is provided with a plurality of branches 13, and each branch 13 is distributed along the top line of the wet film 2 in the direction of gravity. When the wet film 2 is long, the branches 13 at the lower end of the water injection pipe 7 are distributed along the top line of the wet film 2 in the direction of gravity. This allows the water to diffuse along the wet film 2 as much as possible, avoiding water concentration and ensuring that water is present along the wet film 2 and can be evaporated.

[0055] Example 6 This embodiment discloses a sixth pipe humidifying device suitable for pressurized buildings: Figure 8 As shown, the pipeline humidification device also includes a baffle 14 for blocking airflow from passing outside the wet membrane 2. The baffle 14 is installed at the inlet end of the pipe body 1 and is located in the annulus between the pipe body 1 and the wet membrane 2. The baffles 14 are arranged continuously in a ring shape, or the baffles 14 are arranged at intervals along the pipe body 1. When the pressurized fresh air passes outside the wet membrane 2, it will cause the wet membrane 2 to contract inward, causing the water injection portion 3 to lose contact with the wet membrane 2, and may also cause the water to be blown away by strong winds before it is fully diffused. Therefore, it is necessary to allow all or most of the pressurized fresh air to pass through the inside of the wet membrane 2. Therefore, the baffle 14 is located in the annulus between the pipe body 1 and the wet membrane 2.

[0056] Example 7 This embodiment discloses a pressurized building humidification system: Figure 9 As shown, it includes a boosting device, a boosting fresh air pipeline and a water supply device; the boosting equipment is used to provide boosted fresh air to the boosted building through the boosting fresh air pipeline, and the boosting fresh air pipeline is provided with the above-mentioned pipeline humidification device; the water supply device includes a water supply pipeline, the upstream of the water supply pipeline is connected to the external water source, the midstream is a parallel heating section and a non-heating section, and the downstream is connected to the water injection part through a flow regulating component 16. The heating section can use solar energy to heat the passing water, and the heating section and the non-heating section are switched by the switching component 15 to be put into use, and the heating section is connected to the water point of the boosted building.

[0057] During humidification in summer: the switching component 15 puts the non-heating section into use, and the water source enters the water injection part without being heated. The low-temperature water (the water source temperature is significantly lower than the temperature of the pressurized fresh air) undergoes two processes in the pipe body 1: heating and evaporation. Both processes absorb heat energy from the air. In this way, the temperature of the pressurized fresh air sent into the pressurized building can be reduced, thereby reducing the energy consumption of air conditioning.

[0058] During humidification in winter: the switching component 15 puts the heating section into use, and the water source enters the water injection part 3 after being heated. The high-temperature water (the temperature of the water source after heating is higher than the temperature of the pressurized fresh air) further heats the pressurized fresh air in the pipe body 1, which can increase the temperature of the pressurized fresh air sent into the pressurized building, thereby reducing heating energy consumption. Using solar energy to heat the water source will not increase the energy consumption of heating the water.

[0059] During humidification, the flow rate of external water entering the water injection part 3 can be controlled by the flow regulating member 16, thereby controlling the humidity; when not humidifying, solar energy can also be used to heat the pressurized building water.

[0060] In this embodiment, the flow regulating element 16 may be a flow valve, the switching element 15 may be a three-way valve, and the heating section may be heated by a solar water heater.

[0061] In this embodiment, a single humidification section is provided on the pressurized fresh air duct, and the front end of the humidification section is connected to the air outlet of the boosting device through an upwind pipe section, and the length of the upwind pipe section is preferably 0.1-0.5m. The higher the temperature and speed of the pressurized fresh air entering the humidification section, the higher the humidification efficiency. However, after the pressurized fresh air exits the air outlet of the boosting device, its temperature and speed will gradually decrease. Therefore, the humidification section needs to be as close to the air outlet of the boosting device as possible. However, if it is too close to the air outlet of the boosting device, gas shock will affect the service life of the wet film 2. Therefore, the distance from the humidification section to the air outlet of the boosting device is adjusted by controlling the length of the upwind pipe section. When the upwind pipe section is 0.1-0.5m long, the humidification effect and the service life of the wet film 2 are both in an optimal state, and even if a single humidification section is used, the humidification requirements can be met.

[0062] Example 8 This embodiment discloses a second pressurized building humidification system: Figure 10 As shown, two humidifying sections connected in series are provided on the pressurized fresh air duct. Of course, the humidifying sections can also be distributed on the pressurized fresh air duct.

[0063] The embodiments described above are part of the embodiments of the present application, rather than all of the embodiments. The detailed description of the embodiments of the present application is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

Claims

1. A pipe humidifying device suitable for pressurized buildings, characterized by: One end of the pipeline humidifying device can be connected to the boosting equipment through a pipeline, and the other end can be connected to the boosting building through a pipeline; the pipeline humidifying device includes a pipe body, a wet membrane and a water injection part; both ends of the pipe body are provided with structures for docking with the pipe; the wet membrane is suspended and installed in the middle of the pipe body, and the wet membrane is unfolded into a cylindrical shape and its own center line coincides with the center line of the pipe body; the water injection part is installed on the pipe body, which is connected to an external water source and is used to guide water to the wet membrane through control, and can avoid pipe body pressure relief and water backflow caused by air pressure in the pipe body; capillary tissue that can diffuse water is distributed on the wet membrane, and when the air flow passes through the pipe body, the water on the wet membrane can be evaporated, thereby humidifying the air introduced into the boosting building.

2. The pipeline humidifying device suitable for pressurized buildings according to claim 1, characterized in that: The pipeline humidifying device also includes an annular member for unfolding the wet film and suspending the wet film. The wet film is wound and fixed on multiple annular members to form a cylindrical shape with front and back openings. The annular members are connected to the inner wall of the pipe body.

3. The pipeline humidifying device suitable for pressurized buildings according to claim 2, characterized in that: The wet film is connected to two annular members only at two ends, and the two annular members pull the wet film to avoid sagging to the inner wall of the pipe body; or the wet film is connected to two annular members at two ends, and the wet film is connected to at least one annular member along the line, and each annular member stretches the wet film to prevent it from sagging to the inner wall of the pipe body.

4. The pipeline humidifying device suitable for pressurized buildings according to claim 2, characterized in that: The wet film is arranged by all the annular parts into a cylindrical shape with large ends and a small middle, so that the air flow can be accelerated when passing through the wet film.

5. The pipeline humidifying device suitable for pressurized buildings according to claim 2, characterized in that: The annular member adopts a fixed ring member with non-adjustable size, or adopts a hoop member with adjustable size; the annular member is supported and fixed on the inner wall of the pipe body by short rods along the line.

6. The pipeline humidifying device suitable for pressurized buildings according to claim 1, characterized in that: The water injection part includes a water injection pipe, which is sealed and installed on the pipe body, and the upper end of the water injection pipe is used to connect to an external water source, and the lower end is close to the top of the wet film in the gravity direction. The water injection pipe is provided with a stop valve for controlling the on and off and a one-way valve for avoiding pressure relief and water backflow. The stop valve is located downstream of the one-way valve, and the one-way valve allows the water in the water injection pipe to flow only from the one-way valve to the stop valve.

7. The pipeline humidifying device suitable for pressurized buildings according to claim 6, characterized in that: The lower end of the water injection pipe is located in front of the wet film; or, the lower end of the water injection pipe is provided with a plurality of branches, each branch being distributed along the top of the wet film in the gravity direction.

8. The pipeline humidifying device suitable for pressurized buildings according to claim 1, 6 or 7, characterized in that: A sunken water collection tank is provided at the bottom of the pipe body, and a drain pipe is provided at the bottom of the water collection tank for discharging the accumulated water; the drain pipe adopts a transparent section to observe the accumulated water inside, or the drain pipe is equipped with a water level gauge to observe the accumulated water inside; two valves are provided on the drain pipe.

9. The pipeline humidifying device suitable for pressurized buildings according to claim 1, characterized in that: The pipeline humidifying device also includes a baffle for blocking the airflow from passing through the outside of the wet membrane; the baffle is installed at the inlet end of the pipe body and is located in the annulus between the pipe body and the wet membrane; the baffles are continuously arranged in a ring shape, or the baffles are arranged at intervals along the pipe body.

10. A pressurized building humidification system, characterized by: It includes a boosting device, a boosting fresh air pipeline and a water supply device; the boosting equipment is used to provide boosted fresh air to the boosted building through the boosting fresh air pipeline, and the boosting fresh air pipeline is provided with a pipe humidification device suitable for the boosted building as described in any one of claims 1 to 9; the water supply device includes a water supply pipeline, the upstream of the water supply pipeline is connected to an external water source, the midstream is a parallel heating section and a non-heating section, and the downstream is connected to the water injection part through a flow regulating component, the heating section can use solar energy to heat the passing water, and the heating section and the non-heating section are switched by the switching component to be put into use, and the heating section is connected to the water use point of the boosted building.

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