Enhanced filtering type center support

Abstract

The utility model discloses an enhanced filtering type center support which comprises a center support body, the center support body is of an annular structure, an installation ring is arranged on the inner side wall of the center support body, and the installation ring and the center support body are concentrically arranged. A filtering assembly, a turbulent flow assembly and a throttling assembly are sequentially connected to the mounting ring in the axial direction, a horn mouth is formed in the throttling assembly, the large opening end of the horn mouth is close to the turbulent flow assembly, and the small opening end of the horn mouth is arranged away from the turbulent flow assembly. According to the central bracket provided by the utility model, high-temperature molten crystal reaction products such as silicon oxide can be converted into reactant dust, so that the deposition of the reaction products on a vacuum valve is reduced; the structure is simple, installation is convenient, and system structure space is not occupied; the maintenance is simple and the cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum pipeline technical field of coating equipment, more particularly, it relates to a kind of enhanced filtration type center support. BACKGROUND

[0002] The pipeline center support is used to be installed at the intermediate sealing part of the connection between the pump and the pipeline, and sometimes it is also used in the connection between the pipelines, which is used as a sealing ring to enhance the sealing performance.

[0003] In the prior art, a patent with publication number CN214947343U discloses a pipeline center support with filter screen; the utility model belongs to the technical field of pipeline equipment; it includes a compression ring, a mounting ring, and a filter screen; the mounting ring includes an outer mounting portion, an inner mounting portion, and a connecting portion; the outer mounting portion, the inner mounting portion, and the connecting portion are ring-shaped structures; the outer mounting portion and the inner mounting portion are connected by the connecting portion; the end of the filter screen is located between the inner mounting portion and the compression ring; and the ends of the filter screen abut against the inner mounting portion and the compression ring, respectively.

[0004] However, the center support filter structure is simple, and the filtering effect on the reaction products of the vacuum coating equipment is extremely limited; only a small part of the reaction products of the vacuum coating equipment will deposit on the filter screen, and the remaining majority will condense into continuous large hard crystal deposits on the valve plate of the vacuum valve, such as the butterfly valve, causing the mechanical rotation of the butterfly valve to be limited, or affecting the sealing of the angle valve valve plate. SUMMARY

[0005] Therefore, the purpose of the utility model is to provide an enhanced filtration type center support that can convert the crystal deposits in the above problems into fine dust, thereby protecting the working surface of the vacuum valve and prolonging the maintenance time.

[0006] To achieve the above purpose, the technical solution of the utility model is as follows:

[0007] An enhanced filtration type center support includes a center support body, which is in a ring-shaped structure; an installation ring is arranged on the inner side wall of the center support body; the installation ring is concentrically arranged with the center support body; a filter assembly, a turbulence assembly, and a throttling assembly are connected in sequence on the installation ring in the axial direction; a trumpet mouth is formed in the throttling assembly; the large end of the trumpet mouth is close to the turbulence assembly, and the small end is arranged away from the turbulence assembly.

[0008] Further, a plurality of support shafts are arranged circumferentially on the installation ring; the filter assembly, the turbulence assembly, and the throttling assembly are sequentially and spacedly arranged on the support shafts.

[0009] Further, the filter assembly comprises a coarse filter disc and a fine filter disc, the coarse filter disc is close to the side of the spoiler assembly, and the fine filter disc is close to the side of the mounting ring.

[0010] Further, the coarse filter disc and the fine filter disc are both made of glass fiber material.

[0011] Further, the spoiler assembly comprises a cylindrical shell and a spoiler stainless steel wire mesh composed of stainless steel wires wound in the cylindrical shell.

[0012] Further, a groove is formed on the outer peripheral sidewall of the center support body, and the groove extends along the entire circumference.

[0013] The center support provided by the utility model has the advantages of the following:

[0014] The center support provided by the utility model can convert high-temperature molten crystal reaction products such as silicon oxide into reaction product dust, reduces the deposition of the reaction products on the vacuum valve, has simple structure, is easy to install, does not occupy system structural space, is easy to maintain, and is low in cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other embodiments can also be obtained by those skilled in the art according to these drawings.

[0016] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model.

[0017] Figure 2 is a schematic diagram of the sectional structure of the utility model.

[0018] Figure 3 is a schematic diagram of the structure of the utility model in the installation and use state.

[0019] BRIEF DESCRIPTION OF DRAWINGS

[0020] 1, center support body; 11, groove; 2, mounting ring; 3, support shaft; 4, throttling assembly; 41, horn; 5, spoiler assembly; 51, cylindrical shell; 52, spoiler stainless steel wire mesh; 6, filter assembly; 61, coarse filter disc; 62, fine filter disc; 7, air flow; 8, vacuum pipeline. DETAILED DESCRIPTION

[0021] The structure provided by the utility model will be explained and described in detail below in combination with the drawings of the specification.

[0022] REFERENCE Figures 1 to 3As shown, this embodiment specifically discloses an enhanced filter-type central support, including a central support body 1. The central support body 1 has a ring-shaped structure and is made of aluminum alloy or stainless steel. It is a standard vacuum pipeline component. A groove 11 is formed on the outer peripheral sidewall of the central support body 1. The groove 11 extends along the entire circumference and is used to place an O-ring seal for supporting the seal during vacuum pipeline connection. An installation ring 2 is provided on the inner sidewall of the central support body 1. The installation ring 2 is concentrically arranged with the central support body 1, that is, the installation ring 2 is welded to the center surface of the central support body 1. A filter component 6, a turbulence component 5, and a throttling component 4 are sequentially connected along the axial direction on the installation ring 2. A flared mouth 41 is formed in the center of the throttling component 4. The flared mouth 41 can be made of aluminum alloy to ensure structural strength. The larger end of the flared mouth 41 is close to the turbulence component 5, and the smaller end is away from the turbulence component 5.

[0023] Combination Figure 3 As shown, in this embodiment, the working principle of the central support is as follows: it is installed on the vacuum pipeline 8. When the coating equipment is working, the high-temperature gas flow 7 carrying the reaction products enters from the flared end 41 of the throttling device 4. At this time, since the gas flow enters from the wider vacuum pipeline 8 to the narrow end of the flared end 41, the flow rate of the gas flow increases and the temperature decreases due to the throttling effect, making the reaction products easier to condense. The cooled and accelerated gas flow gradually decreases in speed as the cross-section of the flared end gradually increases and enters the turbulence component 5, further cooling the gas flow and reducing the flow rate. The gas flow carrying the reaction products is disturbed in the turbulence component 5, and the reaction products are cooled and condensed into fine dust. These dust particles are then intercepted by the filter component 6 to achieve the filtration effect.

[0024] Through the above process, this embodiment can cool and condense the reaction products in the gas flow into fine dust. This dust is non-adhesive and will not be deposited or condensed on the working surface of the vacuum valve. It will be discharged with the gas flow, thereby avoiding the reaction products from condensing into continuous large hard crystal deposits on the valve plate, which would restrict the mechanical rotation of the butterfly valve or affect its sealing performance if deposited on the valve plate of the angle valve.

[0025] To improve airflow within the central support, in some preferred embodiments, the mounting ring 2 is circumferentially spaced with three support shafts 3, and the filter assembly 6, the turbulence-disrupting assembly 5, and the throttling assembly 4 are sequentially and spaced along the support shafts 3. Specifically, the edges of the mounting ring 2, the filter assembly 6, the turbulence-disrupting assembly 5, and the throttling assembly 4 each have three corresponding connecting holes for threading the three support shafts 3; thus connecting the filter assembly 6, the turbulence-disrupting assembly 5, and the throttling assembly 4 to the mounting ring 2 as a whole. Simultaneously, a certain gap space is formed between the filter assembly 6, the turbulence-disrupting assembly 5, the throttling assembly 4, and the mounting ring 2, allowing the airflow 7 to flow as fully as possible as possible when passing through the throttling assembly 4, the turbulence-disrupting assembly 5, and the filter assembly 6, thereby improving the turbulence and filtration effects.

[0026] Continue to refer to Figure 1 As shown, the filter assembly 6 includes a coarse filter element 61 and a fine filter element 62. The coarse filter element 61 is located closer to the turbulence-inducing component 5, and the fine filter element 62 is located closer to the mounting ring 2. By setting two stages of filtration, the filtration effect is further improved. The fine filter element 61 has a higher filtration level than the coarse filter element 62. Their filtration levels can be selected according to the process type and reactant type. Both the coarse filter element 61 and the fine filter element 62 are made of glass fiber, which has high flame retardancy and can withstand high temperatures. In some optional embodiments, the filter assembly 6 can also be provided with more filter elements, depending on the process requirements. The materials of the coarse filter element 61 and the fine filter element 62 can also be ceramic fiber or other materials.

[0027] In some embodiments, the airflow deflector 5 includes a cylindrical housing 51 and a deflecting stainless steel wire mesh 52 made of wound stainless steel wire installed inside the cylindrical housing 51. The deflecting stainless steel wire mesh 52, made of wound stainless steel wire, can both cool the airflow and create a good airflow deflection effect within the cylindrical housing 51, and also has a certain preliminary filtration effect. Of course, in some other embodiments, a deflector plate can also be used to disrupt the airflow.

[0028] Compared with existing technologies, this utility model can realize the state transformation and filtration of reaction products in vacuum coating equipment. It only needs to be installed in the original vacuum pipeline of the equipment and replace the ordinary central support in front of the key vacuum valve. Without changing the overall structure and size of the equipment, it can extend the service life of the vacuum valve, reduce the equipment failure rate and maintenance frequency, thereby making the process more stable, extending the normal process time, and thus improving the equipment's production capacity.

[0029] The overall structure is simple, the manufacturing cost is low, and it is highly versatile. It is suitable for different pipe diameters and can also meet different working conditions and different process types by replacing filter plates of different filtration grades and adjusting the size of stainless steel wire mesh. It is easy to use and convenient to maintain.

[0030] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] In the description of this specification, the references to terms such as "this embodiment," "an embodiment," "some embodiments," "example," "specific example," or "some examples," 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 a suitable manner in any at least one embodiment or example. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0034] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and simple improvements made on the substantive content of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A reinforced filter-type central support, characterized in that, The device includes a central support body (1), which has a ring-shaped structure. An installation ring (2) is provided on the inner side wall of the central support body (1). The installation ring (2) is concentrically arranged with the central support body (1). A filter component (6), a turbulence component (5), and a throttling component (4) are sequentially connected along the axial direction on the installation ring (2). A horn mouth (41) is formed inside the throttling component (4). The large end of the horn mouth (41) is close to the turbulence component (5), and the small end is away from the turbulence component (5).

2. The central support according to claim 1, characterized in that, The mounting ring (2) is provided with multiple support shafts (3) in the circumferential direction, and the filter assembly (6), the turbulence assembly (5) and the throttling assembly (4) are all sequentially and intermittently threaded through the support shafts (3).

3. The central support according to claim 1, characterized in that, The filter assembly (6) includes a coarse filter (61) and a fine filter (62), with the coarse filter (61) located near the turbulence assembly (5) and the fine filter (62) located near the mounting ring (2).

4. The central support according to claim 3, characterized in that, Both the coarse filter (61) and the fine filter (62) are made of glass fiber.

5. The central support according to claim 1, characterized in that, The turbulence assembly (5) includes a cylindrical housing (51) and a turbulence stainless steel wire mesh (52) made of stainless steel wire wound inside the cylindrical housing (51).

6. The central support according to claim 1, characterized in that, A groove (11) is formed on the outer peripheral sidewall of the central support body (1), and the groove (11) extends along the entire circumference.

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