Blade type demister

Abstract

The utility model is suitable for the technical field of defoggers, and provides a blade type defogger which comprises an outer shell, an exhaust port is formed in the upper portion of the outer shell, and an air inlet is formed in the lower portion of the outer shell. A plurality of demisting layers are arranged in the outer shell; an upper flushing device is arranged above each demisting layer; a lower flushing device is arranged below each demisting layer; the demisting layer comprises corrugated blades, a rotating plate and a fixing frame; the middle position of the fixing frame is fixedly connected with a plurality of corrugated blades which are transversely and uniformly distributed; rotating plates are arranged at the wave crests and the wave troughs of the corrugated blades; the two sides of the rotating plate are rotationally connected with fixing frames correspondingly. After the rotating plate rotates, the upper surface of the rotating plate can abut against the corrugated blades; and the fixed frame is fixedly connected with the outer shell, so that demisting work can be carried out, cleaning is further facilitated, and cleaning dead angles of the demisting layer are reduced.

Description

Technical Field

[0001] This utility model relates to the field of demister technology, and in particular to a blade-type demister. Background Technology

[0002] Chinese Patent Document No.: CN216367034U, Patent Title: A W-type Three-Hook Flat Plate Demister, comprising an annular frame, a connecting platform at the center of the frame, and several blades evenly distributed circumferentially in the gap between the connecting platform and the frame, the blades connecting the connecting platform and the frame together, with raised folding plates at the upper and lower ends of the blades. This utility model significantly improves the demisting efficiency of the equipment by setting the baffle plate in a W-shape and setting folding plates at its three protruding ends. Although the above patent can improve the demisting efficiency of the equipment through the W-shaped baffle plate and folding plates, the space between the folding plates and the W-shaped baffle plate is difficult to be washed and cleaned by the sprayed water, easily forming a cleaning dead zone. Accumulation of impurities and scale can easily cause the folding plates to lose their proper function. During the operation of the demister, if the rinsing is not timely or the rinsing time is insufficient, the demisting layer is easily blocked. Utility Model Content

[0003] To address the aforementioned shortcomings, the purpose of this invention is to provide a blade-type demister that can perform demisting operations, further facilitating cleaning and reducing dead zones in the demisting layer. The rotating plate design facilitates the impact of mist, improving demisting efficiency. Simultaneously, when there is no mist impact, the gap between the rotating plate and the corrugated blades allows water flow to easily wash away impurities, preventing scale buildup. The differential pressure controller detects the pressure difference between the space above and below the demisting layer, thus facilitating the determination of whether the demisting layer needs rinsing.

[0004] To achieve the above objectives, this utility model provides a blade-type demister, including an outer shell, an exhaust port at the top of the outer shell, and an air inlet at the bottom of the outer shell; a plurality of demister layers are provided inside the outer shell; an upper flushing device is provided above each demister layer; and a lower flushing device is provided below each demister layer.

[0005] The demisting layer includes corrugated blades, a rotating plate, and a fixed frame. Several corrugated blades are uniformly distributed laterally and fixedly connected to the middle of the fixed frame. The rotating plate is provided at both the crest and trough of the corrugated blades. The fixed frame is rotatably connected to both sides of the rotating plate. After the rotating plate rotates, its upper surface can abut against the corrugated blades. The fixed frame is fixedly connected to the outer shell.

[0006] According to the blade-type demister of this utility model, each of the demister layers is equipped with a differential pressure controller; the upper flushing device and the lower flushing device are each independently equipped with an electrically controlled valve; the differential pressure controller is electrically connected to the electrically controlled valve.

[0007] According to the present invention, the corrugated blades of the blade-type demister are M-shaped.

[0008] According to the blade-type demister of this utility model, the middle position of the upper half of the side of the rotating plate is rotatably connected to the fixed frame; the rotating plate can rotate at an angle of less than 90 degrees.

[0009] According to the blade-type demister of this utility model, the upper flushing device and the lower flushing device include an upper flushing pipe, a lower flushing pipe, nozzles, and a water pump. Several nozzles are fixedly connected to the lower part of the upper flushing pipe; several nozzles are fixedly connected to the upper part of the lower flushing pipe; and both the upper flushing pipe and the lower flushing pipe are connected to the water pump.

[0010] According to the blade-type demister of this utility model, one end of a torsion spring is fixedly connected to the side of the rotating plate, and the other end of the torsion spring is fixedly connected to a fixing frame.

[0011] This utility model provides a blade-type demister, including an outer shell with a channel in the middle for fog passage to facilitate demisting. An exhaust port is located at the top of the outer shell, and an air inlet is located at the bottom, facilitating air intake and exhaust. The outer shell contains several demisting layers, which effectively remove fog and prevent direct emission of fog that pollutes the air. Each demisting layer has an upper flushing device above it and a lower flushing device below it. The upper and lower flushing devices work together to spray and rinse the top and bottom of the demisting layers, improving cleaning efficiency. Each demisting layer includes corrugated blades, a rotating plate, and a fixed frame. Several transversely evenly distributed corrugated blades are fixedly connected to the middle of the fixed frame. The corrugated blades alter the shape of the fog... The flow direction facilitates multiple impacts of the mist onto the corrugated blades, improving the defogging effect. Rotating plates are installed at both the crests and troughs of the corrugated blades. These plates facilitate mist impact and reduce the space for mist to pass through, thereby increasing the mist flow rate and improving the defogging effect. Rotating plates are rotatably connected to fixed frames on both sides, which are fixedly connected to the outer casing. After rotation, the upper surface of the rotating plate abuts against the corrugated blades. A certain gap exists between the rotating plate and the crests or troughs of the corrugated blades, allowing water to easily pass through and flush away impurities. The contact between the upper surface of the rotating plate and the corrugated blades restricts the rotation of the rotating plate and eliminates the gap between them. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the structure of this utility model after removing the outer shell;

[0014] Figure 3 This is a cross-sectional view of the defogging layer structure;

[0015] Figure 4 yes Figure 3 Schematic diagram of Part A;

[0016] Figure 5 This is a partial cross-sectional view of the demisting layer when the rotating plate is not rotating;

[0017] Figure 6 This is a partial cross-sectional view of the demisting layer after the rotating plate rotates under the push of the mist.

[0018] In the diagram: 1-outer shell, 2-demisting layer, 21-fixed frame, 22-corrugated blades, 23-rotating plate, 3-electrically controlled valve, 4-water pump, 5-upper flushing pipe, 6-lower flushing pipe, 7-nozzle, 8-exhaust port, 9-torsion spring, 10-mist flow direction. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.

[0020] See Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 This utility model provides a blade-type demister, which includes a housing 1. An exhaust port 8 is located at the top of the housing 1, and an air inlet is located at the bottom. The interior of the housing 1 forms a channel for mist to pass through, facilitating demisting. The housing 1 contains several demisting layers 2, which remove mist and prevent direct emission that pollutes the air. The multiple layers of demisting layers 2 allow for graded demisting, improving the demisting effect. Each demisting layer 2 has an upper flushing device above it and a lower flushing device below it. The upper and lower flushing devices work together to flush both sides of the demisting layers 2, effectively removing impurities adhering to them.

[0021] The defogging layer 2 includes corrugated blades 22, rotating plates 23, and a fixed frame 21. Several transversely evenly distributed corrugated blades 22 are fixedly connected to the middle of the fixed frame 21. These corrugated blades 22 are evenly distributed transversely and along a straight line, forming a channel for fog passage between two corrugated blades 22. Rotating plates 23 are installed at the crests and troughs of the corrugated blades 22. The fixed frame 21 is rotatably connected to both sides of the rotating plates 23. The rotating plates 23 can rotate under the blowing of fog. The arrangement of the rotating plates 23 facilitates direct collision with the fog, improving the defogging effect. Simultaneously, the arrangement of the rotating plates 23 reduces the space for fog passage, thereby increasing the flow velocity and increasing the collision force between the fog and the corrugated blades 22 after passing through the rotating plates 23. This facilitates fog adhesion to the corrugated blades 22, further improving the defogging effect. There is a certain gap between the peaks or troughs of the rotating plate 23 and the corrugated blade 22, which allows water to flow through easily when the mist stops entering the demisting layer 2, avoiding dead zones and facilitating water flow to wash the corrugated blade 22 and the rotating plate 23. After the rotating plate 23 rotates, its upper surface can abut against the corrugated blade 22. The fixing bracket 21 is fixedly connected to the outer shell 1. After the rotating plate 23 rotates under the push of the mist, its upper surface abuts against the corrugated blade 22, preventing the mist from passing through the gap between the rotating plate 23 and the corrugated blade 22, and further preventing the existence of the gap from affecting the flow direction 10 of the mist.

[0022] See Figure 2 , Figure 3 , Figure 4 Furthermore, each of the demisting layers 2 in this invention is equipped with a differential pressure controller. The differential pressure controller is used to detect and control the pressure difference between the upper and lower parts of the demisting layer 2. The upper flushing device and the lower flushing device are each independently equipped with an electrically controlled valve 3. The differential pressure controller is electrically connected to the electrically controlled valve 3 and can control the opening and closing of the electrically controlled valve 3. The flushing time of the upper and lower flushing devices is determined by setting the parameters of the differential pressure controller. The greater the pressure difference, the higher the degree of clogging of the demisting layer 2. The flushing time interval, pressure difference value A, and pressure difference value B are set according to the actual usage. The pressure difference is divided into three different stages: less than pressure difference value A, between pressure difference value A and pressure difference value B, and greater than pressure difference value B. The flushing time increases sequentially in these three different stages. At the same time, pressure difference value B is set as the limit value of the pressure difference. When the pressure difference between the upper and lower spaces of the demisting layer 2 is greater than pressure difference value B, the electrically controlled valve 3 is opened immediately to flush the demisting layer 2 to avoid severe clogging of the demisting layer 2 and affect the demisting efficiency. The differential pressure controller can conveniently and automatically control the opening and closing of the electronically controlled valve 3, thereby avoiding the blockage of the demister layer 2 caused by untimely or insufficient rinsing.

[0023] See Figure 2 , Figure 3 , Figure 4Furthermore, the corrugated blade 22 of this invention is M-shaped. The M-shaped corrugated blade 22 can increase the number of angle changes when the mist passes through, thereby increasing the number of times the mist hits the corrugated blade and improving the defogging effect. The upper half of the side of the rotating plate 23 is rotatably connected to the fixed frame 21 at the middle position. The rotating plate 23 can rotate at an angle of less than 90 degrees. The rotatable connection position between the rotating plate 23 and the fixed frame 21 is located at the middle position of the upper half of the side of the rotating plate 23, so that the area above and below the rotation center of the rotating plate 23 that can be impacted by the mist is different, which can facilitate the rotation of the rotating plate 23 under the impact of the mist. The upper flushing device and the lower flushing device include an upper flushing pipe 5, a lower flushing pipe 6, a nozzle 7, and a water pump 4. Several nozzles 7 are fixedly connected to the lower part of the upper flushing pipe 5, and several nozzles 7 are fixedly connected to the upper part of the lower flushing pipe 6. Both the upper flushing pipe 5 and the lower flushing pipe 6 are connected to the water pump 4. The water pump 4 can facilitate the flow of water and drive the water to flow through the upper flushing pipe 5 and the lower flushing pipe 6 and finally spray it out through the nozzle. One end of the torsion spring 9 is fixedly connected to the side of the rotating plate 23, and the other end of the torsion spring 9 is fixedly connected to the fixing frame 21. The torsion spring 9 can cause the rotating plate 23 to tilt when there is no fog impact. At the same time, it can provide buffer to reduce the rotation angle of the rotating plate 23 after the fog stops, so as to avoid the rotating plate 23 colliding with the corrugated blade 22 and damaging the corrugated blade 22 after rotation.

[0024] In summary, this utility model provides a blade-type demister, including an outer shell. The middle of the outer shell serves as a channel for mist to pass through, facilitating demisting. An exhaust port is located at the top of the outer shell, and an air inlet is located at the bottom, facilitating air intake and exhaust. The outer shell contains several demisting layers, which effectively demist and prevent direct emission of mist that pollutes the air. Each demisting layer has an upper flushing device above it and a lower flushing device below it. The upper and lower flushing devices work together to easily spray and rinse the upper and lower parts of the demisting layers, improving the cleaning effect. Each demisting layer includes corrugated blades, a rotating plate, and a fixed frame. Several transversely evenly distributed corrugated blades are fixedly connected to the middle of the fixed frame. The arrangement of the corrugated blades allows for changing... The direction of the mist flow facilitates multiple impacts of the mist onto the corrugated blades, improving the defogging effect. Rotating plates are installed at the crests and troughs of the corrugated blades. These plates facilitate mist impact and reduce the space for mist to pass through, thereby increasing the mist flow velocity and further enhancing the defogging effect. Rotating plates are rotatably connected to fixed frames on both sides, which are fixedly connected to the outer casing. When the rotating plate rotates, its upper surface abuts against the corrugated blades. A certain gap exists between the rotating plate and the crests or troughs of the corrugated blades, allowing water to flow through and flush away impurities. The contact between the rotating plate and the corrugated blades restricts the rotation of the plate and eliminates the gap between them.

[0025] Of course, there may be other embodiments of this utility model. Without departing from the spirit and essence of this utility model, those skilled in the art can make various corresponding changes and modifications based on this utility model, but these corresponding changes and modifications should all fall within the protection scope of the appended claims of this utility model.

Claims

1. A vane mist eliminator characterized by, The utility model provides a kind of fog removal device, including outer shell, the air outlet is arranged above the outer shell, and the air inlet is arranged below the outer shell;Several defogging layers are arranged inside the outer shell;Upper flushing device is arranged above the defogging layer;Lower flushing device is arranged below the defogging layer; The defogging layer includes corrugated blade, rotating plate, fixed frame, the fixed frame middle position is fixedly connected with the corrugated blade of several transverse uniform distribution;Rotating plate is arranged at the position of wave crest and wave trough of the corrugated blade;Rotating plate both sides are rotatably connected with fixed frame;The upper surface of rotating plate can abut corrugated blade after rotating;Fixed frame is fixedly connected with outer shell.

2. The vane mist eliminator of claim 1, wherein, The defogging layer is provided with differential pressure controller;Upper flushing device and lower flushing device are independently provided with electric control valve;Differential pressure controller is electrically connected with electric control valve.

3. The vane mist eliminator of claim 1, wherein, The corrugated blade is M-shaped.

4. The vane mist eliminator according to claim 1 or 3, characterized in that The middle position of upper half of rotating plate side surface is rotatably connected with fixed frame;The angle that rotating plate can rotate is less than 90 degrees.

5. The vane mist eliminator of claim 1, wherein, Upper flushing device and lower flushing device include upper flushing pipe, lower flushing pipe, spray head, water pump, the lower side of upper flushing pipe is fixedly connected with several spray heads;The upper side of lower flushing pipe is fixedly connected with several spray heads;Upper flushing pipe and lower flushing pipe are connected with water pump.

6. The vane mist eliminator according to claim 1 or 3, characterized in that Rotating plate side surface is fixedly connected with one end of torsion spring, and the other end of torsion spring is fixedly connected with fixed frame.

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