Non-metal filler supporting grid

Abstract

The utility model belongs to the technical field of packed tower parts, and discloses a non-metal packing support grating which comprises a plurality of support partition plates and a connecting plate, the plurality of support partition plates can be placed on a support ring arranged in a packed tower and are arranged at intervals along a first direction, and the connecting plate is arranged on the support ring. A connecting plate is connected between any two adjacent supporting partition plates in an abutting mode, the two adjacent supporting partition plates are fixedly connected with the connecting plates through fasteners, and the two adjacent supporting partition plates are positioned and fixed through the connecting plates. Due to the fact that gaps do not need to be formed in the supporting partition plates, the nonmetal filler supporting grating composed of the multiple supporting partition plates is high in mechanical property, internal continuity and mechanical property, and therefore the nonmetal filler supporting grating can bear high loads, namely the nonmetal filler supporting grating can be practically applied to the working condition needing to bear the high loads.

Description

Technical Field

[0001] This utility model relates to the technical field of packed tower components, and in particular to a non-metallic packing support grid. Background Technology

[0002] Packed towers, as mass transfer devices that use packing material within the tower as the contact structure between the gas and liquid phases, are widely used in oil refining, chemical, and fertilizer industries. The tower body is a columnar structure, mostly cylindrical. Its internal components include a liquid distributor, packing material, and packing support grids. The packing support grids are installed inside the tower, and the packing material is neatly stacked on top of the grids. Liquid is sprayed from the top of the tower onto the packing material through the liquid distributor and flows down from the surface of the packing. Gas is introduced from the bottom of the tower and flows counter-currently through the gaps in the packing, resulting in close gas-liquid contact at the surface of the packing for mass transfer.

[0003] The main function of the packing support grid is to bear the weight of the packing and the liquid inside, and to ensure smooth gas-liquid flow. Because the packing support grid is often exposed to high temperature, high humidity, and corrosive environments, strict requirements are placed on its mechanical strength. Currently, for most chemical separation operations, metallic materials such as stainless steel, titanium, zirconium, and Hastelloy are commonly used to manufacture and process the packing support grid. However, for separation operations involving strong acids (such as hydrofluoric acid, organic acids, and halogens) at higher temperatures, metallic materials, including high-alloy steels, exhibit significant corrosion and lifespan issues in actual operation. Therefore, non-metallic materials with excellent mechanical properties and chemical stability are required. To address this requirement, existing technologies use carbon fiber or silicon carbide materials, which possess good mechanical properties and corrosion resistance, to manufacture the packing support grid.

[0004] Therefore, in the existing technology, the manufacturing and processing technology of carbon fiber or silicon carbide filler support grids also has certain problems. Although carbon fiber or silicon carbide materials have excellent high temperature resistance and corrosion resistance, they have high hardness and are difficult to machine. Compared with metals, they do not support processing methods such as welding. Therefore, as disclosed in the inventions with existing patent publication numbers US20090092527A1 and CN113811385A, the filler support grid generally includes cross-arranged transverse partitions and longitudinal partitions, wherein the transverse partitions and / or longitudinal partitions... The partitions have U-shaped notches, and the transverse and longitudinal partitions interlock at the U-shaped notches to form a mesh grid structure. Taking the transverse and longitudinal partitions as carbon fiber, the U-shaped notches will cut the continuous fibers, which will reduce the mechanical properties of the filler support grid. Similarly, when the mesh grid structure is applied to the support grid made of silicon carbide, it will also seriously damage the internal continuity and mechanical properties of the silicon carbide support grid. As a result, the filler support grid made of carbon fiber or silicon carbide has not been able to be practically used in working conditions that require high loads.

[0005] Therefore, the above problems urgently need to be solved. Utility Model Content

[0006] The purpose of this utility model is to provide a non-metallic filler support grid to solve the problem that the traditional non-metallic filler support grid is composed of transverse partitions and longitudinal partitions interlocked at a U-shaped notch. The U-shaped notch will reduce the mechanical properties of the filler support grid and seriously damage the internal continuity and mechanical properties of the filler support grid, thus preventing the non-metallic filler support grid from being practically applied in working conditions that require high loads.

[0007] To achieve this objective, the present invention adopts the following technical solution:

[0008] Non-metallic filler support grid, including:

[0009] A plurality of supporting partitions, wherein the plurality of supporting partitions can be placed on a supporting ring disposed within the packed tower, and the plurality of supporting partitions are spaced apart along a first direction; and

[0010] The connecting plate abuts against any two adjacent supporting partitions, and the two adjacent supporting partitions are fixedly connected to the connecting plate by fasteners.

[0011] Preferably, the supporting partition is provided with connecting plates on both sides along a second direction perpendicular to the first direction.

[0012] Preferably, the support partition is made of silicon carbide or carbon fiber composite material.

[0013] Preferably, the height of the support partition made of silicon carbide material is greater than or equal to 50 mm and less than or equal to 250 mm.

[0014] The height of the support partition made of carbon fiber composite material is greater than or equal to 50 mm and less than or equal to 250 mm.

[0015] Preferably, the spacing between any two adjacent support partitions is equal, and the spacing is greater than or equal to 50 mm and less than or equal to 300 mm.

[0016] Preferably, the support partition is provided with a first screw hole, and the connecting plate is provided with second screw holes on both sides along the first direction. The fastener is a fastening bolt, and the support partition and the connecting plate are fixedly connected by the fastening bolts passing through the first screw hole and the second screw hole.

[0017] Preferably, the supporting partition is provided with at least two first screw holes at intervals along the vertical direction, and the connecting plate is provided with at least two second screw holes at intervals along the vertical direction on both sides along the first direction.

[0018] The distance between the topmost first screw hole and the top of the support partition is greater than or equal to 25mm, and the distance between the bottommost first screw hole and the bottom of the support partition is greater than or equal to 25mm.

[0019] Preferably, the diameter of the second screw hole is greater than or equal to the diameter of the first screw hole.

[0020] Preferably, the connecting plate includes a first plate portion, and a second plate portion is provided on both sides of the first plate portion along the first direction. Two adjacent support partitions are respectively attached to two second plate portions, and the second plate portions are fixedly connected to the support partitions attached to them by the fasteners.

[0021] Preferably, the width of the second plate portion along a second direction perpendicular to the first direction is greater than or equal to 20 mm and less than or equal to 60 mm.

[0022] The beneficial effects of this utility model are:

[0023] In this invention, two adjacent support partitions are positioned and fixed by a connecting plate, thereby fixing several support partitions into a single unit. These support partitions serve to support the packing material, while the connecting plate only provides positioning and does not bear the pressure of the packing material. Since no notches are needed on the support partitions, the non-metallic packing support grid composed of these support partitions exhibits high mechanical properties, strong internal continuity, and robust mechanical performance, enabling it to withstand high loads. Therefore, the non-metallic packing support grid of this invention can be practically applied in applications requiring high load bearing. Attached Figure Description

[0024] Figure 1 This is a top view of the non-metallic filler support grid and support ring in an embodiment of this utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the non-metallic filler support grid in an embodiment of this utility model;

[0026] Figure 3 This is a schematic diagram of the structure of several supporting partitions in an embodiment of this utility model;

[0027] Figure 4 This is a schematic diagram of the connecting plate in an embodiment of this utility model.

[0028] In the picture:

[0029] 100. Support ring; 1. Support partition; 11. First screw hole; 2. Connecting plate; 21. Second screw hole; 22. First plate part; 23. Second plate part; 3. Fastener; 4. Gas phase channel. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0031] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0033] In the description of this embodiment, the terms "upper," "lower," "right," and "left," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0034] Please see Figures 1 to 4 This embodiment provides a non-metallic packing support grid, which can be placed inside a packing tower and used to support the packing.

[0035] Specifically, the non-metallic support grid includes several support partitions 1, which can be placed on support rings 100 disposed inside the packed tower. The support partitions 1 are arranged at intervals along a first direction, and a gas phase channel 4 for flowing gas is formed between two adjacent support partitions 1. This embodiment takes a cylindrical packed tower as an example for explanation. The first direction is the radial direction of the packed tower, that is, the support partitions 1 are arranged at intervals along the radial direction of the packed tower and are all placed on support rings 100 disposed on the inner wall of the packed tower.

[0036] In addition to the supporting partition 1, the non-metallic supporting grid also includes a connecting plate 2. The connecting plate 2 abuts against any two adjacent supporting partitions 1, and the two adjacent supporting partitions 1 are fixedly connected to the connecting plate 2 by fasteners 3.

[0037] Therefore, in this embodiment, two adjacent support partitions 1 are positioned by a connecting plate 2, and two adjacent support partitions 1 are fixed by the connecting plate 2, thereby fixing several support partitions 1 into a whole. The several support partitions 1 serve to support the packing material, while the connecting plate 2 only serves a positioning function and does not bear the pressure of the packing material. Since no notches need to be made on the support partitions 1, in this embodiment, the non-metallic packing support grid composed of several support partitions 1 has high mechanical properties, strong internal continuity and mechanical properties, and can withstand high loads. That is, the non-metallic packing support grid in this embodiment can be practically applied in working conditions that require high loads.

[0038] In addition, it is worth noting that this embodiment takes a cylindrical packed tower as an example. Correspondingly, along the first direction, the length of several supporting partitions 1 along the second direction perpendicular to the first direction first increases and then decreases. Of course, in other optional embodiments, if the packed tower is a square column, then along the first direction, the length of several supporting partitions 1 along the second direction is equal.

[0039] It is also worth noting that in this embodiment, the width of the support partition 1 along the first direction is greater than or equal to 3mm and less than or equal to 5mm. For example, the width of the support partition 1 along the first direction can be 3mm, 3.5mm, 4mm, 4.5mm, or 5mm, etc., preferably 4mm. This ensures that while meeting the support strength requirements, the liquid flowing down from above can be drained away in a timely manner, so as to prevent the liquid from accumulating on the upper surface of the support partition 1 due to the excessive width of the support partition 1 along the first direction.

[0040] Furthermore, in this embodiment, the spacing between any two adjacent support partitions 1 is equal, thereby ensuring that all gas phase channels 4 are uniformly arranged along the first direction, thus preventing the gas flowing from bottom to top from deviating. Moreover, the spacing is greater than or equal to 50 mm and less than or equal to 300 mm. For example, the spacing between two adjacent support partitions 1 can be selected as 50 mm, 60 mm, 80 mm, 120 mm, 150 mm, 200 mm, or 300 mm, etc.

[0041] Furthermore, based on the foregoing, in this embodiment, the support partition 1 is made of silicon carbide material or carbon fiber composite material, wherein, by way of example, the carbon fiber composite material is preferably carbon fiber reinforced carbon material (CFRC), so as to maintain stable performance in high temperature, high humidity and corrosive environment.

[0042] As described above, the height of the support partition 1 made of silicon carbide material is greater than or equal to 50mm and less than or equal to 250mm. For example, the height of the support partition 1 made of silicon carbide material can be selected as 50mm, 100mm, 110mm, 120mm, 130mm, 140mm, 150mm, 200mm, or 250mm, etc., preferably 150mm, so as to meet the support strength while not occupying too much space inside the tower.

[0043] For the support partition 1 made of carbon fiber composite material, its height is greater than or equal to 50 mm and less than or equal to 250 mm. For example, the height of the support partition 1 made of silicon carbide material can be selected as 50 mm, 100 mm, 150 mm, 160 mm, 170 mm, 180 mm, 190 mm, 200 mm, or 250 mm, etc., preferably 150 mm.

[0044] It is understood that the length, height, width, spacing between two adjacent support partitions 1, and number of support partitions 1 can be specifically designed according to the requirements of mechanical performance and air permeability in the application scenario. This embodiment does not impose specific limitations.

[0045] In addition, the connecting plate 2 is also made of silicon carbide material or carbon fiber composite material, wherein, by way of example, carbon fiber composite material is preferably carbon fiber reinforced carbon material (CFRC), so as to maintain stable performance in high temperature, high humidity and corrosive environment.

[0046] It should be noted that, based on the above, the connecting plate 2 only serves to connect and position, and does not bear the pressure of the packing. Therefore, the height of the connecting plate 2 is set to be less than or equal to the height of the supporting partition 1, so that the connecting plate 2, which is located between two adjacent supporting partitions 1, will not protrude from the supporting partition 1, thereby avoiding contact between the connecting plate 2 and the packing.

[0047] Furthermore, based on the above, in this embodiment, the support partition 1 is provided with a first screw hole 11, and the connecting plate 2 is provided with second screw holes 21 on both sides along the first direction. The fastener 3 is a fastening bolt. The support partition 1 and the connecting plate 2 are fixedly connected by fastening bolts passing through the first screw hole 11 and the second screw hole 21, thereby ensuring that the support partition 1 and the connecting plate 2 can be stably connected together, so that the connecting plate 2 can more stably position the support partition 1, so as to ensure that the support partition 1 can more stably bear the filler.

[0048] It is worth noting that in this embodiment, the diameter of the first screw hole 11 is greater than or equal to 8 mm and less than or equal to 12 mm. This ensures the connection strength between the supporting partition 1 and the connecting plate 2, so that the connecting plate 2 can effectively position the supporting partition 1, while minimizing the damage to the continuous phase on the surface of the supporting partition 1, thereby avoiding affecting the mechanical strength of the supporting partition 1.

[0049] For example, the diameter of the first screw hole 11 can be selected as 8mm, 9mm, 10mm, 11mm, or 12mm, etc. In actual applications, the optimal size can be selected by calculation.

[0050] In addition, in this embodiment, the diameter of the second screw hole 21 is greater than or equal to the diameter of the first screw hole 11. When the diameter of the packed tower is small, there is no deviation in the levelness of all the support partitions 1 placed on the support ring 100. Therefore, for any two adjacent support partitions 1 and the connecting plate 2 placed between the two support partitions 1, the second screw hole 21 on the connecting plate 2 can be aligned with the first screw hole 11 on the support partition 1. Therefore, the diameter of the second screw hole 21 can be designed to be equal to the diameter of the first screw hole 11. The fastening bolt can pass through the first screw hole 11 and the second screw hole 21 to lock the connecting plate 2 and the support partition 100. Partition 1, but when the diameter of the packed tower is large, the level of all the supporting partitions 1 placed on the support ring 100 is prone to deviation. In order to ensure that the fastening bolts can still lock the connecting plate 2 and the supporting partition 1, the diameter of the second screw hole 21 is designed to be larger than the diameter of the first screw hole 11. This allows the second screw hole 21 on the connecting plate 2 to align with the first screw hole 11 on the supporting partition 1 for any two adjacent supporting partitions 1 and the connecting plate 2 placed between the two supporting partitions 1. This allows the subsequent fastening bolts to pass through the first screw hole 11 and the second screw hole 21 to lock the connecting plate 2 and the supporting partition 1.

[0051] It is also worth noting that in this embodiment, the fastening bolt is made of silicon carbide material or carbon fiber composite material, wherein, by way of example, the carbon fiber composite material is preferably carbon fiber reinforced carbon material (CFRC), so as to maintain stable performance in high temperature, high humidity and corrosive environment.

[0052] It is understood that a fastening nut is screwed onto the fastening bolt, and the fastening nut is also made of silicon carbide material or carbon fiber composite material, wherein, by way of example, carbon fiber composite material is preferably carbon fiber reinforced carbon material (CFRC).

[0053] In addition, since this embodiment does not require mechanical load on the fastening bolts and nuts, the fastening bolts and nuts can be selected from commercially available standard parts.

[0054] Based on the above, the specific installation process of the non-metallic packing support grid in this embodiment is as follows: First, the workers arrange all the support partitions 1 sequentially on the support rings 100 inside the packing tower. Then, a connecting plate 2 is inserted between two adjacent support partitions 1, aligning the first screw hole 11 and the second screw hole 21. Afterward, the fastening bolts are screwed in to lock the support partitions 1 and connecting plates 2. This process continues until all connecting plates 2 are installed, at which point the non-metallic packing support grid is assembled into the packing tower. Therefore, the installation of the non-metallic packing support grid in this embodiment is simple.

[0055] Additionally, it should be noted that before arranging all the support partitions 1 in sequence on the support ring 100 inside the packed tower, the workers can first place a gasket (not shown in the figure) on the support ring 100, and then place the support partitions 1 on the gasket. This can increase the flatness of all the support partitions 1 placed inside the packed tower, and also ensure that the support ring 100 is not scratched by the support partitions 1.

[0056] It is worth noting that the gasket is made of rigid PTFE (polytetrafluoroethylene) or graphite material, and this embodiment does not impose specific limitations on this.

[0057] Furthermore, the support partition 1 is provided with two first screw holes 11 spaced apart in the vertical direction, and the connecting plate 2 is provided with two second screw holes 21 spaced apart in the vertical direction on both sides of the first direction, so that the connecting plate 2 is locked to the support partition 1 on one side of the first direction by two fastening bolts, thereby further ensuring that the connecting plate 2 can stably position the support partition 1.

[0058] Of course, in other optional embodiments, the support partition 1 may also be provided with three or four or more first screw holes 11 at intervals along the vertical direction, and correspondingly, the connecting plate 2 is provided with three or four or more second screw holes 21 at intervals along the vertical direction on both sides along the first direction. This embodiment does not impose specific limitations on this.

[0059] As shown above, the distance between the topmost first screw hole 11 and the top of the support partition 1 is greater than or equal to 25mm, and the distance between the bottommost first screw hole 11 and the bottom of the support partition 1 is greater than or equal to 25mm, so as to prevent the mechanical strength and stress layout of the support partition 1 from being affected by the screw holes on the edge of the support partition 1, thereby further reducing the impact on the mechanical strength of the support partition 1.

[0060] Furthermore, in this embodiment, the support partition 1 is provided with connecting plates 2 on both sides of the second direction perpendicular to the first direction, so that the support partition 1 can be positioned on both sides of the second direction, thereby further ensuring that the support partition 1 can be positioned more stably.

[0061] Furthermore, the connecting plate 2 includes a first plate portion 22 and a second plate portion 23. The first plate portion 22 is provided with a second plate portion 23 on both sides along the first direction. Two adjacent support partitions 1 are respectively attached to the two second plate portions 23. The second plate portions 23 are fixedly connected to the support partitions 1 attached to them by fasteners 3. That is, in this embodiment, the connecting plate 2 is U-shaped. The U-shaped connecting plate 2 abuts against and supports the two support partitions 1, thereby ensuring that the connecting plate 2 can more effectively position the support partitions 1.

[0062] As described above, the width of the second plate portion 23 along the second direction is greater than or equal to 20mm and less than or equal to 60mm. This provides sufficient space for opening the second screw hole 21 and increases the contact area between the second plate portion 23 and the support partition 1, thereby ensuring that the connecting plate 2 can more firmly abut against and support the two support partitions 1, and thus ensuring that the connecting plate 2 can more effectively position the support partition 1.

[0063] It is worth noting that the connecting plate 2 can be composed of carbon fiber long plates or silicon carbide long plates cut and spliced ​​together, which will not be elaborated in this embodiment.

[0064] In addition, it is worth noting that a support beam (not shown in the figure) can also be installed inside the packed tower. The support baffle 1 placed on the support ring 100 is supported on the support beam, thereby further improving the load that the non-metallic support grid can withstand.

[0065] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. Non-metallic filler support grid, characterized in that, The application relates to a support partition plate for a filler tower. The support partition plate (1) is arranged on a support ring (100) arranged in the filler tower and is arranged in a first direction. The support partition plate (1) is arranged on the support ring (100) and is arranged in a first direction.

2. The non-metallic filler support grid of claim 1, wherein, The support partition plate (1) is arranged on the support ring (100) and is arranged in a first direction.

3. The non-metallic filler support grid of claim 1, wherein, The support partition plate (1) is made of a silicon carbide material or a carbon fiber composite material.

4. The non-metallic filler support grid of claim 3, wherein, The height of the support partition plate (1) made of the silicon carbide material is greater than or equal to 50 mm and less than or equal to 250 mm. The height of the support partition plate (1) made of the carbon fiber composite material is greater than or equal to 50 mm and less than or equal to 250 mm.

5. The non-metallic filler support grid of claim 1, wherein, The distance between any two adjacent support partition plates (1) is equal and is greater than or equal to 50 mm and less than or equal to 300 mm.

6. The non-metallic filler support grid of claim 1, wherein, The support partition plate (1) is provided with a first screw hole (11), the connecting plate (2) is provided with a second screw hole (21) on both sides in the first direction, the fastener (3) is a fastening bolt, and the support partition plate (1) and the connecting plate (2) are fixedly connected through the fastening bolt penetrating the first screw hole (11) and the second screw hole (21).

7. A non-metallic filler support grid according to claim 6, wherein, The support partition plate (1) is provided with at least two first screw holes (11) arranged in a vertical direction, and the connecting plate (2) is provided with at least two second screw holes (21) arranged in a vertical direction on both sides in the first direction. The distance between the uppermost first screw hole (11) and the top end of the support partition plate (1) is greater than or equal to 25 mm, and the distance between the lowermost first screw hole (11) and the bottom end of the support partition plate (1) is greater than or equal to 25 mm.

8. The non-metallic filler support grid of claim 6, wherein, The diameter of the second screw hole (21) is greater than or equal to the diameter of the first screw hole (11).

9. The non-metallic filler support grid of claim 1, wherein, The connecting plate (2) comprises a first plate portion (22), the first plate portion (22) is provided with a second plate portion (23) on both sides in the first direction, adjacent two support partition plates (1) are respectively attached to two second plate portions (23), and the second plate portion (23) is fixedly connected through the fastener (3) and the support partition plate (1) attached thereto.

10. The non-metallic filler support grid of claim 9, wherein, The width of the second plate portion (23) in a second direction perpendicular to the first direction is greater than or equal to 20 mm and less than or equal to 60 mm.

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