A device for filtering spandex additives

Abstract

The utility model discloses a kind of spandex additive filtering devices suitable for, related technical field of spandex production is involved.The utility model includes shell, lower head, upper head and outer filter sleeve, outer filter sleeve is provided in shell, the bottom end of outer filter sleeve is fixed with inner filter sleeve, the inner wall upper portion of inner filter sleeve is fixed with upper support disc, the bottom end of shell is fixed with lower head, the top end of shell is fixed with upper head, and the clearance is left between outer filter sleeve circumferential side and shell, cavity is arranged between inner filter sleeve and outer filter sleeve, and the top end of outer filter sleeve is set to open, and the inner bottom of lower head is fixed with stabilizer rod.The utility model is set to shell, lower head, upper head and outer filter sleeve, solve the problem that filter core filtering area is limited in spandex additive filtering device, failure is faster, and the problem that the stability of filter core installation is not enough high, the advantages of the utility model are: the filter core filtering area is larger in spandex additive filtering device, effective time is longer, and filter core installation is more stable.

Description

Technical Field

[0001] This utility model belongs to the technical field of spandex production, and in particular relates to a filtration device suitable for spandex additives. Background Technology

[0002] The spandex additive filtration device is a key piece of equipment in the spandex production process. It is mainly used for the efficient filtration of additives (such as matting agent TiO2, antioxidants, dyes, etc.) to ensure uniform dispersion and the absence of impurities, thereby guaranteeing fiber quality. The core functions of this device include removing particulate agglomerates, mechanical impurities, or undispersed solid particles from the additives, while simultaneously achieving homogenization to prevent clogging of spinning components and to meet the needs of continuous production, reducing downtime for cleaning. However, the spandex additive filtration device still has the following drawbacks in practical use: In the process of filtration, the spandex additive filtration device directly uses filter cartridges for filtration. However, the filter surface area of ​​the filter cartridges in the filtration device is limited, resulting in low filtration efficiency and rapid failure of the filter cartridges, which affects the filtration efficiency. Secondly, after the filter element is installed in the spandex additive filtration device, it is installed through only a single mounting surface, which is not stable enough. This makes the filter element prone to tilting and other damage during operation due to the scouring of materials. Utility Model Content

[0003] The purpose of this utility model is to provide a filter device suitable for spandex additives. By setting up a shell, a lower end cap, an upper end cap, and an outer filter sleeve, it solves the problems of limited filter area, rapid failure, and insufficient stability of filter element installation in spandex additive filter devices.

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model relates to a filtration device for spandex additives, comprising a housing, a lower end cap, an upper end cap, and an outer filter sleeve. The outer filter sleeve is disposed within the housing, and an inner filter sleeve is fixed to the bottom of the outer filter sleeve. An upper support plate is fixed to the upper part of the inner wall of the inner filter sleeve. The lower end cap is fixed to the bottom of the housing, and the upper end cap is fixed to the top of the housing. A gap is left between the periphery of the outer filter sleeve and the housing. A cavity is provided between the inner and outer filter sleeves, and the top of the outer filter sleeve is open. A stabilizing rod is fixed to the bottom of the lower end cap. During operation, the outer filter sleeve is installed within the housing, the bottom of the housing is closed by the lower end cap, and the top of the housing is closed by the upper end cap. The outer and inner filter sleeves work together to filter the additives entering the housing.

[0005] Furthermore, mounting plates are fixed at the upper and lower edges of the periphery of the shell, and three fixed tubes are fixedly connected at equal intervals along a generatrix on the periphery of the shell. Each fixed tube has a mounting ring fixed at its periphery away from the edge of the shell. Mounting plates are provided at the upper and lower ends of the shell for connecting end caps. Three fixed tubes are evenly distributed along the height direction on the side wall, and each fixed tube is equipped with a mounting ring at its end for connecting to an external output pipeline to realize the export of filtered additives.

[0006] Furthermore, a fixing plate is fixed to the top of the lower end cap. The top of the fixing plate is in contact with the mounting plate at the bottom of the housing. The lower end cap is connected to the mounting plate at the bottom of the housing through the fixing plate at the top. After the bolts are tightened, the bottom of the housing is sealed.

[0007] Furthermore, a second fixing plate is fixed to the bottom end of the upper end cap, and a conveying pipe is fixedly connected to the center of the top of the upper end cap. The second fixing plate at the bottom of the upper end cap is connected to the mounting plate at the top of the shell, and the conveying pipe at the top is connected to a feeding device to introduce the additive to be filtered into the cavity between the outer filter sleeve and the inner filter sleeve.

[0008] Furthermore, a sealing ring is fixed to the top of the outer filter sleeve. The sealing ring is located between the top of the mounting plate at the top of the housing and the bottom of the second fixing plate. The sealing ring at the top of the outer filter sleeve is clamped between the housing mounting plate and the second upper end fixing plate, and is tightened by bolts to achieve a seal and prevent leakage.

[0009] Furthermore, an insertion interface is provided at the center of the bottom end of the upper support plate. The stabilizing rod passes through the inner filter sleeve and is inserted into the insertion interface at the bottom end of the upper support plate. The upper support plate inside the inner filter sleeve is connected to the stabilizing rod of the lower end cap through the insertion interface at the bottom, ensuring the stable positioning of the inner filter sleeve in the housing, and forming a double-layer filtration space with the outer filter sleeve.

[0010] This utility model has the following beneficial effects: This invention solves the problems of limited filter area and rapid failure of filter elements in spandex additive filtration devices by setting up a shell, upper end cap, and outer filter sleeve. The additive is transported to the upper end cap through a delivery pipe, and then transported between the outer and inner filter sleeves. After being pressurized in the space between the outer and inner filter sleeves, it is filtered through the outer and inner filter sleeves and then transported to the space between the shell and the outer filter sleeve. Finally, it is transported to the next-stage output pipeline through the mounting ring on the fixed pipe. During operation, the inner and outer filter sleeves work together to form a larger filter area, increasing the filtration efficiency, and the larger filter area results in slower failure.

[0011] This invention solves the problem of insufficient stability in the installation of filter elements in spandex additive filtration devices by setting up a shell, lower end cap, upper end cap, and outer filter sleeve. During the installation of the outer and inner filter sleeves, the upper end cap can be removed by loosening the nuts and bolts on the outer fixing plate two of the upper end cap, and the outer filter sleeve can be placed inside the shell. The insertion interface on the upper support plate inside the inner filter sleeve is aligned with the stabilizing rod, and the stabilizing rod is inserted into the insertion interface on the upper support plate inside the inner filter sleeve, ensuring the upper support plate is stably supported inside the shell. Simultaneously, the sealing ring on the outer filter sleeve is placed on the top of the mounting plate at the top of the shell. The lower fixing plate two of the upper end cap is then pressed onto the sealing ring at the top of the mounting plate. Finally, the mounting plate and fixing plate two at the top of the shell are pressed together using mounting bolts and nuts, resulting in a more stable installation of the filter element in the spandex additive filtration device. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a three-dimensional view of a partially cut-open structure of a filter device suitable for spandex additives. Figure 2 This is a three-dimensional structural diagram of the shell; Figure 3 This is a three-dimensional structural view of the lower end cap; Figure 4 This is a three-dimensional structural view of the upper end cap; Figure 5 This is a three-dimensional view of the structure of the outer filter sleeve after it has been cut open. Figure 6 This is a three-dimensional view of the assembly structure of a filter device suitable for spandex additives.

[0014] Figure label: 1. Housing; 101. Mounting plate; 102. Fixing pipe; 103. Mounting ring; 2. Lower end cap; 201. Stabilizing rod; 202. Fixing plate one; 3. Upper end cap; 301. Fixing plate two; 302. Conveying pipe; 4. Outer filter sleeve; 401. Inner filter sleeve; 402. Upper support plate; 403. Insertion interface; 404. Sealing ring. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1

[0016] Please see Figure 1-5 This utility model is a filtration device for spandex additives, comprising a housing 1, a lower end cap 2, an upper end cap 3, and an outer filter sleeve 4. The outer filter sleeve 4 is disposed inside the housing 1, housing 1 housing both the outer filter sleeve 4 and an inner filter sleeve 401. The bottom end of the outer filter sleeve 4 is fixed to the inner filter sleeve 401. Additives input through the upper end cap 3 are filtered between the outer filter sleeve 4 and the inner filter sleeve 401. An upper support plate 402 is fixed to the upper part of the inner wall of the inner filter sleeve 401, providing support for the inner filter sleeve 401 within the housing 1. A lower end cap 2 is fixed to the bottom of the body 1, which closes the bottom of the body 1. An upper end cap 3 is fixed to the top of the body 1, which closes the top of the body 1. A gap is left between the outer filter sleeve 4 and the body 1, so that the additive filtered out in the outer filter sleeve 4 can be transported into the body 1. A cavity is provided between the inner filter sleeve 401 and the outer filter sleeve 4 to provide a cavity for the additive to be filtered to enter. The top of the outer filter sleeve 4 is open. A stabilizing rod 201 is fixed to the bottom of the lower end cap 2, which stably supports the upper support plate 402.

[0017] Specifically, mounting plates 101 are fixed at the upper and lower edges of the periphery of the housing 1. Three fixed tubes 102 are fixedly connected at equal intervals along a generatrix on the periphery of the housing 1. Each fixed tube 102 has a mounting ring 103 fixed at its periphery away from the edge of the housing 1. When the housing 1 is in operation, it is connected to the first fixed plate 202 and the second fixed plate 301 through the mounting plates 101. The mounting rings 103 on the fixed tubes 102 are connected to the pipeline for outputting additives, and the additives are delivered to the output pipeline connected to the mounting rings 103.

[0018] Furthermore, a fixing plate 202 is fixed to the top of the lower end cap 2. The top of the fixing plate 202 is in contact with the mounting plate 101 at the bottom of the housing 1. After the fixing plate 202 on the lower end cap 2 is in contact with the mounting plate 101 at the bottom of the housing 1, the mounting holes of the fixing plate 202 and the mounting plate 101 at the bottom of the housing 1 are aligned. Then, the mounting bolts are inserted into the fixing plate 202 and the mounting plate 101 at the bottom of the housing 1, and then tightened with nuts, so that the housing 1 and the lower end cap 2 are installed together.

[0019] Furthermore, a fixed plate 301 is fixed at the bottom of the upper end cap 3, and a conveying pipe 302 is fixedly connected to the center of the top of the upper end cap 3. The top end of the conveying pipe 302 at the top of the upper end cap 3 is connected to the equipment for conveying additives, so that the additives are conveyed into the upper end cap 3 and conveyed through the upper end cap 3 to the space between the outer filter sleeve 4 and the inner filter sleeve 401.

[0020] The operation process of this embodiment is as follows: During operation, the additive is delivered to the upper end cap 3 through the delivery pipe 302, and then delivered to the space between the outer filter sleeve 4 and the inner filter sleeve 401 in the upper end cap 3. After being pressurized in the space between the outer filter sleeve 4 and the inner filter sleeve 401, it is filtered through the outer filter sleeve 4 and the inner filter sleeve 401, and then delivered to the space between the housing 1 and the outer filter sleeve 4. It is then delivered to the lower output pipeline through the mounting ring 103 on the fixed pipe 102. During operation, the inner filter sleeve 401 and the outer filter sleeve 4 cooperate to form a larger filtration area and increase the filtration efficiency. Specific Implementation Example 2

[0021] Please see Figure 1-6 Based on the first specific embodiment, a sealing ring 404 is fixed at the top of the outer filter sleeve 4. The sealing ring 404 is set between the top of the mounting plate 101 at the top of the housing 1 and the bottom of the second fixed plate 301. When the outer filter sleeve 4 is in operation, the sealing ring 404 is set between the top of the mounting plate 101 at the top of the housing 1 and the bottom of the second fixed plate 301. The sealing ring 404 is set on the mounting plate 101. Then the second fixed plate 301 is placed on the mounting plate 101 above it and pressed on the sealing ring 404. After the installation bolts are inserted into the sealing ring 404 and installed and tightened by the installation bolts and nuts, the sealing ring 404 is pressed between the fixed plate and the mounting plate 101, so that the housing 1 and the lower end cap 2 are installed and tightened during operation.

[0022] Specifically, an insertion interface 403 is provided at the center of the bottom end of the upper support plate 402. The stabilizing rod 201 passes through the inner filter sleeve 401 and is inserted into the insertion interface 403 at the bottom end of the upper support plate 402. When the upper support plate 402 is working, it is movably connected to the insertion interface 403 at the bottom end of the upper support plate 402 through the insertion interface 403, so that the upper support plate 402 is stably supported and set in the housing 1.

[0023] The operation process of this embodiment is as follows: During operation, when installing the outer filter sleeve 4 and the inner filter sleeve 401, loosen the nuts and installation bolts on the outer fixing plate 301 of the upper end cap 3 to remove the upper end cap 3. Place the outer filter sleeve 4 into the housing 1, and align the insertion interface 403 on the upper support plate 402 inside the inner filter sleeve 401 with the stabilizing rod 201. Insert the stabilizing rod 201 into the insertion interface 403 on the upper support plate inside the inner filter sleeve 401, so that the upper support plate 402 is stably supported and set inside the housing 1. At the same time, set the sealing ring 404 on the outer filter sleeve 4 at the top of the mounting plate 101 at the top of the housing 1. Then press the fixing plate 301 at the bottom of the upper end cap 3 onto the sealing ring 404 at the top of the mounting plate 101. Finally, press the mounting plate 101 and the fixing plate 301 at the top of the housing 1 together with the installation bolts and nuts, so that the housing 1, the upper end cap 3 and the outer filter sleeve 4 are installed together during operation.

[0024] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0025] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A spandex additive filtering device suitable for use in a spandex additive filtering device comprising a housing (1), a lower head (2), an upper head (3) and an outer filter sleeve (4), characterised in that: An outer filter sleeve (4) is provided inside the housing (1). An inner filter sleeve (401) is fixed at the bottom of the outer filter sleeve (4). An upper support plate (402) is fixed at the upper part of the inner wall of the inner filter sleeve (401). A lower end cap (2) is fixed at the bottom of the housing (1). An upper end cap (3) is fixed at the top of the housing (1). A gap is left between the periphery of the outer filter sleeve (4) and the housing (1). A cavity is provided between the inner filter sleeve (401) and the outer filter sleeve (4). The top of the outer filter sleeve (4) is open. A stabilizing rod (201) is fixed at the bottom of the lower end cap (2).

2. A device for filtering spandex additives according to claim 1, wherein: Mounting discs (101) are fixed at the upper and lower edges of the periphery of the housing (1). Three fixing tubes (102) are fixedly connected at equal intervals along a generatrix on the periphery of the housing (1). Mounting rings (103) are fixed at the periphery of each fixing tube (102) away from the edge of the housing (1).

3. A device for filtering spandex additives according to claim 2, wherein: The top of the lower end cap (2) is fixed with a fixing plate (202), and the top of the fixing plate (202) is in contact with the mounting plate (101) at the bottom of the housing (1).

4. The spandex additive filtering device of claim 2, wherein: The bottom end of the upper end cap (3) is fixed with a second fixed plate (301), and the top center of the upper end cap (3) is fixedly connected with a conveying pipe (302).

5. A device for filtering spandex additives according to claim 4, wherein: The top end of the outer filter sleeve (4) is fixed with a sealing ring (404), which is located between the top end of the mounting plate (101) at the top of the housing (1) and the bottom end of the fixing plate (301).

6. The spandex additive filtering device of claim 1, wherein: The upper support plate (402) has an insertion interface (403) at the center of its bottom end. The stabilizer rod (201) passes through the inner filter sleeve (401) and is inserted into the insertion interface (403) at the bottom end of the upper support plate (402).

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