​Stainless Steel Conical Filter Cartridge

Stainless Steel Conical Filter Cartridge: Specialized Geometry for Challenging Fluids

Unique Design and Functional Advantages
The stainless steel conical filter cartridge, also known as a cone filter or taper filter, features a distinctive conical shape that offers several functional advantages over cylindrical designs. The wide mouth at the top narrows to a closed point at the bottom. This geometry promotes a funneling effect, where solids slide down the inclined surface of the cone and collect at the bottom tip, away from the primary active filter surface. This design is exceptionally effective for applications involving high solid content, viscous fluids, or those with a tendency to blind or cake on flat filter surfaces. The sloping sides help to shed solids, reducing the rate of pressure drop increase and extending the service interval between cleanings.

Construction and Customization
Conical filters are typically constructed from a stainless steel frame over which a layer of woven wire mesh is stretched and securely welded. The frame provides the structural strength to maintain the cone's shape under fluid pressure and during handling. The mesh can be of any standard weave—plain weave, twill weave, or Dutch weave—depending on the required filtration rating, which can range from a few microns for fine straining to several millimeters for coarse screening. The cone can be designed with a single layer of mesh or a multi-layered composite for added support. Standard connections at the top include threaded nozzles, flanges, or tri-clamp ends for secure installation into a vessel or pipeline.

Ideal Application Scenarios
This filter type is particularly well-suited for challenging duties. In the chemical industry, they are used for filtering polymers, resins, and slurries where solids buildup is a major concern. In food processing, they are employed for straining syrups, chocolate, and fruit pulps. They are also common as suction filters on the intake of pumps handling coolants, fuels, and process water, where their design helps prevent pump cavitation by maintaining a clearer filter surface for a longer duration. Another common application is as a vent filter on tanks, where they allow air to flow in and out while preventing the ingress of contaminants; the conical shape helps shed moisture or other liquids.

Operational and Maintenance Benefits
The primary operational benefit is reduced downtime. Because solids are directed to the tip of the cone, a larger portion of the filter area remains active for a longer period. This translates to a lower pressure drop for a given solids loading compared to a cylindrical basket. Cleaning is also often more effective; backwashing can be more efficient as the conical shape can aid in dislodging solids, and manual cleaning is simplified as the sloping surface is easier to wipe or rinse clean.

Anping CREMOTIVE's Engineering of Conical Filters
Anping CREMOTIVE Wire Mesh Products Co., Ltd. manufactures stainless steel conical filter cartridges that leverage this efficient geometry. We carefully engineer the cone angle and the mesh support structure to ensure optimal solids-handling performance and long-term durability. Our conical filters are custom-built to suit specific vessel openings, flow rates, and process conditions, providing an effective solution for improving filtration efficiency in applications prone to clogging and high maintenance.