Flash tank demister

Abstract

The utility model discloses a flash tank demister, belongs to the technical field of demisters, and aims to solve the problem that demisting blades are inconvenient to fix due to the fact that the size difference of the blades of a traditional plate type demister is large, the number of the blades is large, and the overall weight of the blades is too large. The device comprises a cylinder, fixing plates are mounted at the upper end and the lower end of the cylinder, demisting assemblies are mounted in demisting assembly mounting holes in the fixing plates, each demisting assembly comprises a plurality of regular hexagonal sleeves, a plurality of demisting blades are arranged in each regular hexagonal sleeve, and the width of each demisting blade is gradually reduced from the middle to the two sides. An upper fixing plate is installed in the regular hexagonal sleeve and located at the top ends of the demisting blades, an upper fixing seat is arranged on the lower surface of the upper fixing plate, the top ends of the demisting blades are installed on the upper fixing seat, a lower fixing plate is installed in the regular hexagonal sleeve and located at the bottom ends of the demisting blades, and a lower fixing seat is arranged on the upper surface of the lower fixing plate. And the bottom ends of the demisting blades are mounted on the lower fixing seat. The utility model is suitable for the flash tank demister.

Description

Technical Field

[0001] The utility model belongs to the technical field of demisters, and in particular relates to a flash tank demister. Background Art

[0002] Flash tanks are widely used in many fields, such as mixture separation, material drying, concentration and decolorization in chemical production. It has the advantages of high efficiency, energy saving, corrosion resistance and easy cleaning, which can significantly improve product quality and production efficiency. Flash tanks are mainly used to treat high-pressure saturated water, so that it can evaporate and vaporize rapidly under low pressure. Its working principle mainly involves heating, pressurization, flash evaporation and separation. In the heating and pressurization stage, the liquid to be evaporated is input into the flash tank through a pipeline, and heated by a heater to raise its temperature to a value higher than its saturated vapor pressure. At the same time, the pressure in the flash tank is also increased to a pressure higher than room temperature by a booster. After entering the flash stage, since the liquid temperature is higher than the saturated vapor pressure, some molecules can quickly change from liquid to gas to form flash steam. In this process, the flash tank provides space for rapid vaporization of the fluid and separation of vapor and liquid. Next is the separation stage, the flash steam is discharged through the steam discharge pipe at the top, and the concentrated liquid flows out through the bottom pipe. The flash steam contains the volatile components in the liquid, while the liquid after flashing is relatively concentrated. Finally, the exhausted flash vapor can be cooled through a condenser, converted back into liquid form, and then recovered through a liquid collection system.

[0003] When the liquid evaporates and vaporizes rapidly in the flash tank, some tiny droplets may be generated. If these droplets are not effectively removed, they may affect the quality of the product. Therefore, a demister is provided in the flash tank to remove the droplets carried in the airflow. Most existing flash tanks use traditional plate demisters. The demister blades of traditional plate demisters are composed of blades of varying widths to form a circular distribution surface, and all blades are connected by fixed plates. However, due to the large number of blades, the overall weight is too large and the size difference between the widest blade and the narrowest blade is large, so many fixed plates are needed to reliably connect the blades, making the installation structure very complicated and the installation very inconvenient. Utility Model Content

[0004] The utility model aims to provide a flash tank demister to solve the problems of large size differences of blades, large number of blades and excessive overall weight of blades in traditional plate demisters, which make it difficult to fix the demister blades.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A flash tank demister comprises a cylinder, wherein fixing plates are installed at the upper end and the lower end of the cylinder, a defogger assembly mounting hole is opened on the fixing plate, a defogger assembly is installed in the defogger assembly mounting hole, the defogger assembly comprises a plurality of regular hexagonal sleeves, a plurality of defogger blades are arranged in the regular hexagonal sleeves, the defogger blades are arranged in parallel, the width of the defogger blades gradually decreases from the middle to both sides, an upper fixing plate is installed at the top end of the defogger blade in the regular hexagonal sleeve, an upper fixing seat is provided on the lower surface of the upper fixing plate, the top end of the defogger blade is installed on the upper fixing seat, a lower fixing plate is installed at the bottom end of the defogger blade in the regular hexagonal sleeve, a lower fixing seat is provided on the upper surface of the lower fixing plate, and the bottom end of the defogger blade is installed on the lower fixing seat.

[0007] Furthermore, an upper fixing hole is provided on the upper fixing seat, an upper positioning hole matched with the upper fixing hole is provided on the defogger blade, and an upper stud is also provided, the upper stud passes through the upper fixing hole and the upper positioning hole, and upper fixing nuts are threadedly connected at both ends of the upper stud, a lower fixing hole is provided under the lower fixing seat, a lower positioning hole matched with the lower fixing hole is provided on the defogger blade, and a lower stud is also provided, the lower stud passes through the lower fixing hole and the lower positioning hole, and lower fixing nuts are threadedly connected at both ends of the lower stud.

[0008] Furthermore, a washer is provided between the upper fixing nut and the upper fixing seat, and a washer is provided between the lower fixing nut and the lower fixing seat.

[0009] Furthermore, upper connecting blocks are provided at both ends of the lower surface of the upper fixing plate, an upper connecting block is provided with an upper connecting hole, an upper threaded hole matched with the upper connecting hole is provided in the regular hexagonal sleeve, and an upper connecting bolt is also provided, and the upper connecting bolt passes through the upper connecting hole and is threadedly connected to the upper threaded hole, and lower connecting blocks are provided at both ends of the upper surface of the lower fixing plate, a lower connecting block is provided with a lower connecting hole, a lower threaded hole matched with the lower connecting hole is provided in the regular hexagonal sleeve, and a lower connecting bolt is also provided, and the lower connecting bolt passes through the lower connecting hole and is threadedly connected to the lower threaded hole.

[0010] Furthermore, the demisting blades are made of stainless steel.

[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0012] 1. The utility model comprises a cylinder body, wherein the upper end and the lower end of the cylinder body are both provided with fixing plates, the fixing plate is provided with a defogger assembly mounting hole, the defogger assembly is installed in the defogger assembly mounting hole, the defogger assembly comprises a plurality of regular hexagonal sleeves, a plurality of defogger blades are arranged in the regular hexagonal sleeves, the defogger blades are arranged in parallel, the width of the defogger blades gradually decreases from the middle to both sides, an upper fixing plate is installed in the regular hexagonal sleeve at the top end of the defogger blade, an upper fixing seat is provided on the lower surface of the upper fixing plate, the top end of the defogger blade is installed on the upper fixing seat, a lower fixing plate is installed in the regular hexagonal sleeve at the bottom end of the defogger blade, a lower fixing seat is provided on the upper surface of the lower fixing plate, and the bottom end of the defogger blade is installed on the lower fixing seat.

[0013] Through this arrangement, the demisting blades are distributed in each regular hexagonal sleeve, and the demisting blades in each regular hexagonal sleeve are fixed by the upper fixing plate and the lower fixing plate. The width of the demisting blades in each regular hexagonal sleeve gradually decreases from the middle to the two sides, which can ensure that the demisting blades are as full as possible in the regular hexagonal sleeve, so that the effective demisting area of ​​each regular hexagonal sleeve is maximized. At the same time, since the demisting blades are modularly distributed, directional maintenance and overhaul can be performed according to the status of the demisting blades in each regular hexagonal sleeve. Since the effective demisting area of ​​the entire demister is composed of the effective demisting areas of multiple regular hexagonal sleeves, the number and width of the demisting blades in each regular hexagonal sleeve are limited. Therefore, the upper fixing plate and the lower fixing plate can ensure that the demisting blades are firmly fixed, which greatly simplifies the installation process of the demisting blades and effectively solves the problem of large size differences, large number of blades, and excessive overall weight of the blades in the traditional plate-type demisters, which makes it inconvenient to fix the demisting blades.

[0014] 2. In the utility model, an upper fixing hole is provided on the upper fixing seat, an upper positioning hole matching the upper fixing hole is provided on the demisting blade, and an upper stud is also provided. The upper stud passes through the upper fixing hole and the upper positioning hole, and both ends of the upper stud are threadedly connected with upper fixing nuts. A lower fixing hole is provided under the lower fixing seat, and a lower positioning hole matching the lower fixing hole is provided on the demisting blade, and a lower stud is also provided. The lower stud passes through the lower fixing hole and the lower positioning hole, and both ends of the lower stud are threadedly connected with lower fixing nuts. Through this arrangement, the upper fixing seat, the upper stud, and the upper fixing nut cooperate, and the lower fixing seat, the lower stud, and the lower fixing nut cooperate, which can ensure that the demisting blade is reliably fixed between the upper fixing plate and the lower fixing plate.

[0015] 3. In the present invention, a washer is provided between the upper fixing nut and the upper fixing seat, and a washer is provided between the lower fixing nut and the lower fixing seat. Through this arrangement, the washer can increase the friction of the connection, making the connection tighter and helping to improve the stability of the connection.

[0016] 4. In the utility model, upper connecting blocks are provided at both ends of the lower surface of the upper fixing plate, and an upper connecting hole is provided on the upper connecting block. An upper threaded hole matching the upper connecting hole is provided in the regular hexagonal sleeve, and an upper connecting bolt is also provided. The upper connecting bolt passes through the upper connecting hole and is threadedly connected to the upper threaded hole. Lower connecting blocks are provided at both ends of the upper surface of the lower fixing plate, and a lower connecting hole is provided on the lower connecting block. A lower threaded hole matching the lower connecting hole is provided in the regular hexagonal sleeve, and a lower connecting bolt is also provided. The lower connecting bolt passes through the lower connecting hole and is threadedly connected to the lower threaded hole. With this arrangement, the upper connecting block, the upper connecting bolt, and the upper threaded hole cooperate, and the lower connecting block, the lower connecting bolt, and the lower threaded hole cooperate, ensuring that the upper fixing plate and the lower fixing plate are accurately and reliably installed on the regular hexagonal sleeve.

[0017] 5. In the present invention, the material of the demisting blade is stainless steel. Through this configuration, the stainless steel has good corrosion resistance and can increase the service life of the demisting blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, 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 utility model and 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, including:

[0019] Figure 1 It is a top view of the utility model;

[0020] Figure 2 This is a schematic diagram of the installation of the demisting blades of the utility model;

[0021] Markings in the figure: 1-cylinder, 2-fixing plate, 3-regular hexagonal sleeve, 4-defogger blades, 5-upper fixing plate, 6-upper fixing seat, 7-lower fixing plate, 8-lower fixing seat, 9-upper stud, 10-upper fixing nut, 11-lower stud, 12-lower fixing nut, 13-upper connecting block, 14-upper connecting bolt, 15-lower connecting block, 16-lower connecting bolt. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the utility model provided in the accompanying drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0025] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only simplified descriptions for the convenience of describing the present utility model, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish descriptions, and cannot be understood as indicating or implying relative importance.

[0026] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] A flash tank demister comprises a cylinder, wherein fixing plates are installed at the upper end and the lower end of the cylinder, a defogger assembly mounting hole is opened on the fixing plate, a defogger assembly is installed in the defogger assembly mounting hole, the defogger assembly comprises a plurality of regular hexagonal sleeves, a plurality of defogger blades are arranged in the regular hexagonal sleeves, the defogger blades are arranged in parallel, the width of the defogger blades gradually decreases from the middle to both sides, an upper fixing plate is installed at the top end of the defogger blade in the regular hexagonal sleeve, an upper fixing seat is provided on the lower surface of the upper fixing plate, the top end of the defogger blade is installed on the upper fixing seat, a lower fixing plate is installed at the bottom end of the defogger blade in the regular hexagonal sleeve, a lower fixing seat is provided on the upper surface of the lower fixing plate, and the bottom end of the defogger blade is installed on the lower fixing seat.

[0029] Furthermore, an upper fixing hole is provided on the upper fixing seat, an upper positioning hole matched with the upper fixing hole is provided on the defogger blade, and an upper stud is also provided, the upper stud passes through the upper fixing hole and the upper positioning hole, and upper fixing nuts are threadedly connected at both ends of the upper stud, a lower fixing hole is provided under the lower fixing seat, a lower positioning hole matched with the lower fixing hole is provided on the defogger blade, and a lower stud is also provided, the lower stud passes through the lower fixing hole and the lower positioning hole, and lower fixing nuts are threadedly connected at both ends of the lower stud.

[0030] Furthermore, a washer is provided between the upper fixing nut and the upper fixing seat, and a washer is provided between the lower fixing nut and the lower fixing seat.

[0031] Furthermore, upper connecting blocks are provided at both ends of the lower surface of the upper fixing plate, an upper connecting block is provided with an upper connecting hole, an upper threaded hole matched with the upper connecting hole is provided in the regular hexagonal sleeve, and an upper connecting bolt is also provided, and the upper connecting bolt passes through the upper connecting hole and is threadedly connected to the upper threaded hole, and lower connecting blocks are provided at both ends of the upper surface of the lower fixing plate, a lower connecting block is provided with a lower connecting hole, a lower threaded hole matched with the lower connecting hole is provided in the regular hexagonal sleeve, and a lower connecting bolt is also provided, and the lower connecting bolt passes through the lower connecting hole and is threadedly connected to the lower threaded hole.

[0032] Furthermore, the demisting blades are made of stainless steel.

[0033] During the implementation of the utility model, the demisting blades are distributed in each regular hexagonal sleeve, and the demisting blades in each regular hexagonal sleeve are fixed by an upper fixing plate and a lower fixing plate. The width of the demisting blades in each regular hexagonal sleeve gradually decreases from the middle to both sides, which can ensure that the demisting blades are as full as possible in the regular hexagonal sleeve, so that the effective demisting area of ​​each regular hexagonal sleeve is maximized. At the same time, since the demisting blades are modularly distributed, directional maintenance and overhaul can be performed according to the status of the demisting blades in each regular hexagonal sleeve. Since the effective demisting area of ​​the entire demister is composed of the effective demisting areas of multiple regular hexagonal sleeves, the number and width of the demisting blades in each regular hexagonal sleeve are limited, so the upper fixing plate and the lower fixing plate can ensure that the demisting blades are firmly fixed, which greatly simplifies the installation process of the demisting blades, and effectively solves the problem of large size differences, large number of blades, and excessive overall weight of the blades in the traditional plate-type demisters, which leads to inconvenience in fixing the demisting blades.

[0034] Specifically, an upper fixing hole is provided on the upper fixing seat, an upper positioning hole matching the upper fixing hole is provided on the demisting blade, an upper stud is also provided, the upper stud passes through the upper fixing hole and the upper positioning hole, and both ends of the upper stud are threadedly connected with upper fixing nuts, a lower fixing hole is provided under the lower fixing seat, a lower positioning hole matching the lower fixing hole is provided on the demisting blade, a lower stud is also provided, the lower stud passes through the lower fixing hole and the lower positioning hole, and both ends of the lower stud are threadedly connected with lower fixing nuts. Through this arrangement, the upper fixing seat, the upper stud, and the upper fixing nut cooperate, and the lower fixing seat, the lower stud, and the lower fixing nut cooperate, which can ensure that the demisting blade is reliably fixed between the upper fixing plate and the lower fixing plate.

[0035] Preferably, a washer is provided between the upper fixing nut and the upper fixing seat, and a washer is provided between the lower fixing nut and the lower fixing seat. Through this arrangement, the washer can increase the friction of the connection, making the connection tighter and helping to improve the stability of the connection.

[0036] Specifically, upper connecting blocks are provided at both ends of the lower surface of the upper fixing plate, an upper connecting hole is provided on the upper connecting block, an upper threaded hole matching the upper connecting hole is provided in the regular hexagonal sleeve, and an upper connecting bolt is also provided, the upper connecting bolt passes through the upper connecting hole and is threadedly connected to the upper threaded hole, and lower connecting blocks are provided at both ends of the upper surface of the lower fixing plate, a lower connecting hole is provided on the lower connecting block, a lower threaded hole matching the lower connecting hole is provided in the regular hexagonal sleeve, and a lower connecting bolt is also provided, the lower connecting bolt passes through the lower connecting hole and is threadedly connected to the lower threaded hole. Through this arrangement, the upper connecting block, the upper connecting bolt, and the upper threaded hole cooperate, and the lower connecting block, the lower connecting bolt, and the lower threaded hole cooperate, ensuring that the upper fixing plate and the lower fixing plate are accurately and reliably installed on the regular hexagonal sleeve.

[0037] Preferably, the material of the demisting blade is stainless steel. Through this arrangement, the stainless steel has good corrosion resistance and can increase the service life of the demisting blade.

[0038] Example 1

[0039] A flash tank demister comprises a cylinder, wherein fixing plates are installed at the upper end and the lower end of the cylinder, a defogger assembly mounting hole is opened on the fixing plate, a defogger assembly is installed in the defogger assembly mounting hole, the defogger assembly comprises a plurality of regular hexagonal sleeves, a plurality of defogger blades are arranged in the regular hexagonal sleeves, the defogger blades are arranged in parallel, the width of the defogger blades gradually decreases from the middle to both sides, an upper fixing plate is installed at the top end of the defogger blade in the regular hexagonal sleeve, an upper fixing seat is provided on the lower surface of the upper fixing plate, the top end of the defogger blade is installed on the upper fixing seat, a lower fixing plate is installed at the bottom end of the defogger blade in the regular hexagonal sleeve, a lower fixing seat is provided on the upper surface of the lower fixing plate, and the bottom end of the defogger blade is installed on the lower fixing seat.

[0040] Through this arrangement, the demisting blades are distributed in each regular hexagonal sleeve, and the demisting blades in each regular hexagonal sleeve are fixed by the upper fixing plate and the lower fixing plate. The width of the demisting blades in each regular hexagonal sleeve gradually decreases from the middle to the two sides, which can ensure that the demisting blades are as full as possible in the regular hexagonal sleeve, so that the effective demisting area of ​​each regular hexagonal sleeve is maximized. At the same time, since the demisting blades are modularly distributed, directional maintenance and overhaul can be performed according to the status of the demisting blades in each regular hexagonal sleeve. Since the effective demisting area of ​​the entire demister is composed of the effective demisting areas of multiple regular hexagonal sleeves, the number and width of the demisting blades in each regular hexagonal sleeve are limited. Therefore, the upper fixing plate and the lower fixing plate can ensure that the demisting blades are firmly fixed, which greatly simplifies the installation process of the demisting blades and effectively solves the problem of large size differences, large number of blades, and excessive overall weight of the blades in the traditional plate-type demisters, which makes it inconvenient to fix the demisting blades.

[0041] Example 2

[0042] On the basis of Example 1, an upper fixing hole is provided on the upper fixing seat, an upper positioning hole matching the upper fixing hole is provided on the demisting blade, an upper stud is also provided, the upper stud passes through the upper fixing hole and the upper positioning hole, and both ends of the upper stud are threadedly connected with an upper fixing nut, a lower fixing hole is provided under the lower fixing seat, a lower positioning hole matching the lower fixing hole is provided on the demisting blade, a lower stud is also provided, the lower stud passes through the lower fixing hole and the lower positioning hole, and both ends of the lower stud are threadedly connected with a lower fixing nut. Through this arrangement, the upper fixing seat, the upper stud, and the upper fixing nut cooperate, and the lower fixing seat, the lower stud, and the lower fixing nut cooperate, which can ensure that the demisting blade is reliably fixed between the upper fixing plate and the lower fixing plate.

[0043] Example 3

[0044] On the basis of the above embodiment, a washer is arranged between the upper fixing nut and the upper fixing seat, and a washer is arranged between the lower fixing nut and the lower fixing seat. Through this arrangement, the washer can increase the friction of the connection, making the connection tighter and helping to improve the stability of the connection.

[0045] Example 4

[0046] On the basis of the above embodiment, upper connecting blocks are provided at both ends of the lower surface of the upper fixing plate, an upper connecting hole is provided on the upper connecting block, an upper threaded hole matching the upper connecting hole is provided in the regular hexagonal sleeve, and an upper connecting bolt is also provided, the upper connecting bolt passes through the upper connecting hole and is threadedly connected to the upper threaded hole, and lower connecting blocks are provided at both ends of the upper surface of the lower fixing plate, a lower connecting hole is provided on the lower connecting block, a lower threaded hole matching the lower connecting hole is provided in the regular hexagonal sleeve, and a lower connecting bolt is also provided, the lower connecting bolt passes through the lower connecting hole and is threadedly connected to the lower threaded hole. Through this arrangement, the upper connecting block, the upper connecting bolt, and the upper threaded hole cooperate, and the lower connecting block, the lower connecting bolt, and the lower threaded hole cooperate, ensuring that the upper fixing plate and the lower fixing plate are accurately and reliably installed on the regular hexagonal sleeve.

[0047] Example 5

[0048] On the basis of the above embodiment, the material of the demisting blade is stainless steel. Through this configuration, the stainless steel has good corrosion resistance and can increase the service life of the demisting blade.

[0049] The above is the embodiment of the utility model. The above is the preferred embodiment of the utility model. If the preferred implementation methods in each preferred embodiment are not obviously self-contradictory or based on a preferred implementation method, each preferred implementation method can be arbitrarily superimposed and used in combination. The embodiments and specific parameters in the embodiments are only for the purpose of clearly describing the verification process of the utility model, and are not used to limit the patent protection scope of the utility model. The patent protection scope of the utility model is still subject to its claims. All equivalent changes made using the specification of the utility model should be included in the protection scope of the utility model.

Claims

1. A flash tank demister, characterized in that: The invention comprises a cylinder (1), wherein a fixing plate (2) is installed at the upper end of the cylinder (1) and the lower end of the cylinder (1), wherein a defogger assembly installation hole is provided on the fixing plate (2), wherein a defogger assembly is installed in the defogger assembly installation hole, wherein the defogger assembly comprises a plurality of regular hexagonal sleeves (3), wherein a plurality of defogger blades (4) are arranged in the regular hexagonal sleeves (3), wherein the defogger blades (4) are arranged in parallel, wherein the width of the defogger blades (4) gradually decreases from the middle to the two sides, and wherein the regular hexagonal sleeves (3) are provided with a plurality of defogger blades (4). An upper fixing plate (5) is installed at the top of the demisting blade (4) in the hexagonal sleeve (3), an upper fixing seat (6) is provided on the lower surface of the upper fixing plate (5), and the top of the demisting blade (4) is installed on the upper fixing seat (6). A lower fixing plate (7) is installed at the bottom of the demisting blade (4) in the regular hexagonal sleeve (3), a lower fixing seat (8) is provided on the upper surface of the lower fixing plate (7), and the bottom of the demisting blade (4) is installed on the lower fixing seat (8).

2. A flash tank demister according to claim 1, characterized in that: The upper fixing seat (6) is provided with an upper fixing hole, the demisting blade (4) is provided with an upper positioning hole matched with the upper fixing hole, and an upper stud (9) is also provided, the upper stud (9) passes through the upper fixing hole and the upper positioning hole, and both ends of the upper stud (9) are threadedly connected with upper fixing nuts (10), the lower fixing seat (8) is provided with a lower fixing hole, the demisting blade (4) is provided with a lower positioning hole matched with the lower fixing hole, and a lower stud (11) is also provided, the lower stud (11) passes through the lower fixing hole and the lower positioning hole, and both ends of the lower stud (11) are threadedly connected with lower fixing nuts (12).

3. A flash tank demister according to claim 2, characterized in that: A washer is provided between the upper fixing nut (10) and the upper fixing seat (6), and a washer is provided between the lower fixing nut (12) and the lower fixing seat (8).

4. A flash tank demister according to claim 1, characterized in that: Upper connecting blocks (13) are provided at both ends of the lower surface of the upper fixing plate (5), and an upper connecting hole is formed on the upper connecting block (13). An upper threaded hole matching the upper connecting hole is formed in the regular hexagonal sleeve (3), and an upper connecting bolt (14) is also provided. The upper connecting bolt (14) passes through the upper connecting hole and is threadedly connected to the upper threaded hole. Lower connecting blocks (15) are provided at both ends of the upper surface of the lower fixing plate (7), and a lower connecting hole is formed on the lower connecting block (15). A lower threaded hole matching the lower connecting hole is formed in the regular hexagonal sleeve (3), and a lower connecting bolt (16) is also provided. The lower connecting bolt (16) passes through the lower connecting hole and is threadedly connected to the lower threaded hole.

5. A flash tank demister according to claim 1, characterized in that: The material of the demisting blades (4) is stainless steel.

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