Filter with double filtering channels
By designing a dual-channel filter, which uses gravity and centrifugal force to separate impurities, and combining multi-stage filter elements and drain pipes, the problem of insufficient filtration in existing technologies is solved, achieving multi-stage filtration and high-efficiency filtration of liquids.
Patent Information
- Application Number
- CN202520290788.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-22
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-22
AI Technical Summary
Existing dual-channel filters are unable to adequately filter impurities of different sizes and types, resulting in incomplete filtration.
A filter with dual filtration channels was designed, including an outer cylinder, an inner cylinder, a guide plate, a flow guide pipe, a flow guide disc, and a filter element. The filter filters the liquid step by step through a multi-stage filtration structure, using gravity and centrifugal force to separate impurities. Combined with a detachable filter element and a drain pipe, multi-stage filtration is achieved.
It achieves multi-stage filtration of liquids, improves filtration accuracy, has a wider range of applications, and ensures that the final discharged liquid has fewer impurities and higher quality.
Smart Images

Figure CN223800172U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter technical field especially relates to a filter with double filter channel. BACKGROUND
[0002] Filter is indispensable on the medium pipeline of conveying device, filter is composed by cylinder, stainless steel filter screen, blowdown part, transmission device and electrical control part. The impurity of water to be handled is blocked after the filter screen of filter, thereby can realize the filtration to water.
[0003] However, the filter with double filter channel in prior art can only carry out primary or secondary filtration when filtering water, this mode can realize the filtration of water to a certain extent, but since the impurities of different size and type exist in water, the impurities in water are difficult to be completely filtered by this mode, and the problem of insufficient filtration exists. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the above-mentioned shortcomings in prior art and provides a filter with double filter channel.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A filter with double filter channel, including outer tube, the upper end of outer tube is detachably installed with upper cover, the top of upper cover is fixedly installed with water inlet pipe which is communicated with its inside, the lower end of outer tube is fixedly installed with water outlet pipe which is communicated with its inside, the inner bottom wall of upper cover is protrudingly arranged and fixedly installed with flow guide plate, the flow guide plate and the lower end of water inlet pipe are detachably installed with annular net, the inner bottom wall of upper cover is surrounded by a plurality of drainage tubes which are communicated with the inside of upper cover, the drainage tubes are obliquely arranged and communicated with the inside of outer tube, the inside of outer tube is fixedly installed with inner tube, the inner tube and outer tube are detachably installed with second filter core, the inner tube is provided with filter mechanism.
[0007] Preferably, the filter mechanism includes a first flow guide disc fixedly installed on the upper end of the inner tube, the first flow guide disc is located below the plurality of drainage tubes, a plurality of fixed rods are fixedly installed on the inner side wall of the outer tube, and one second flow guide disc is fixedly connected to the plurality of fixed rods after penetrating the side wall of the inner tube, a blowdown pipe is fixedly installed at the lower end of the second flow guide disc and communicated with the inner side thereof, and the lower end of the blowdown pipe extends to the outer side of the outer tube after penetrating the water outlet pipe.
[0008] Preferably, the second flow guide disc is located directly below the first flow guide disc and has a diameter smaller than that of the first flow guide disc, and a gap is arranged between the second flow guide disc and the first flow guide disc.
[0009] Preferably, a first filter element is arranged below the second flow guide disc, the first filter element being detachably mounted on the inner side of an inner cylinder, and a through slot is formed in the bottom wall of the inner cylinder.
[0010] Compared with the prior art, the filter has the advantages that:
[0011] The device has simple design structure, convenient maintenance, can perform multi-stage filtration of liquid to guarantee water quality, gradually filters different types and sizes of foreign matters, is suitable for a wider range of liquid to be filtered, further improves filtration precision, and makes the finally discharged liquid have less impurities and higher quality. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 The utility model provides a whole axial measurement structure schematic diagram of a filter with double filtration channels.
[0013] Fig. 2 The utility model provides a whole side section structure schematic diagram of a filter with double filtration channels.
[0014] Fig. 3 The utility model provides a first flow guide disc and a second flow guide disc structure schematic diagram of a filter with double filtration channels.
[0015] In the drawing: 1 water inlet pipe, 2 upper cover, 3 outer cylinder, 4 annular net, 5 flow guide plate, 6 drainage pipe, 7 first flow guide disc, 8 inner cylinder, 9 fixed rod, 10 second flow guide disc, 11 blowdown pipe, 12 first filter element, 13 second filter element, 14 water outlet pipe. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0017] Referring to Figs. 1 to 3 A filter with double filtration channels includes an outer cylinder 3, the upper end of the outer cylinder 3 is detachably mounted with an upper cover 2, the top end of the upper cover 2 is fixedly installed with a water inlet pipe 1 in communication with the inside of the upper cover 2, the inner bottom wall of the upper cover 2 is protrudingly arranged and fixedly installed with a flow guide plate 5, the flow guide plate 5 and the lower end of the water inlet pipe 1 are detachably installed with an annular net 4, the annular net 4 has a larger aperture and can block larger blocky or sheet-like objects, a plurality of drainage pipes 6 in communication with the inside of the upper cover 2 are distributed around the protrusion of the inner bottom wall of the upper cover 2, the drainage pipes 6 are obliquely arranged and in communication with the inside of the outer cylinder 3, and the lower end of the outer cylinder 3 is fixedly installed with a water outlet pipe 14 in communication with the inside of the outer cylinder 3.
[0018] The inner cylinder 8 is fixedly installed in the outer cylinder 3, the second filter element 13 is detachably installed between the inner cylinder 8 and the outer cylinder 3, the upper end of the inner cylinder 8 is fixedly installed with the first flow guide disc 7, the first flow guide disc 7 is located below the plurality of drainage pipes 6, so that the water flowing out of the drainage pipes 6 can contact the first flow guide disc 7, and when the water flow overflows the first flow guide disc 7, the water flow is filtered by the second filter element 13, a plurality of fixed rods 9 are fixedly installed on the inner wall of the outer cylinder 3, and the plurality of fixed rods 9 are fixedly connected with the second flow guide disc 10 after penetrating the side wall of the inner cylinder 8, the second flow guide disc 10 is located directly below the first flow guide disc 7 and has a diameter smaller than that of the first flow guide disc 7, and a gap is arranged between the second flow guide disc 10 and the first flow guide disc 7, and the second flow guide disc 10 is fixedly installed with the blowdown pipe 11 in communication with the inner side of the second flow guide disc 10, and the lower end of the blowdown pipe 11 extends to the outer side of the outer cylinder 3 after penetrating the water outlet pipe 14.
[0019] The first filter element 12 is arranged below the second flow guide disc 10 and is detachably installed on the inner side of the inner cylinder 8, and a through slot is formed in the bottom wall of the inner cylinder 8, so that the water filtered by the first filter element 12 can be discharged through the through slot.
[0020] The specific working principle of the utility model is as follows: the liquid to be filtered is input from the water inlet pipe 1, the liquid enters the upper cover 2 and is first filtered by the annular net 4 to block larger blocky or sheet-shaped objects, the liquid continues to pass through the surface of the flow guide plate 5 and flows to the bottom of the central protrusion inside the upper cover 2, the liquid starts to gather from the outer circle to the inner circle in the bottom of the upper cover 2, and then flows out of the drainage pipe 6, some smaller blocky foreign matters flow to the inner bottom of the upper cover 2 along the liquid above the flow guide plate 5, and due to the arrangement that the central part of the inner bottom of the upper cover 2 is high and the periphery is low, the foreign matters gather on the outer circle of the inner bottom of the upper cover 2 under the action of gravity, thereby further filtering the liquid.
[0021] The drainage pipe 6 is obliquely inserted into the bottom of the upper cover 2, the liquid flows from the drainage pipe 6 to the inner surface of the first flow guide disc 7, and under the joint action of the water flows of the plurality of drainage pipes 6, a vortex is formed in the first flow guide disc 7, and then the liquid continues to flow into the second flow guide disc 10, when the liquid forms a vortex in the circular motion, under the action of centrifugal force, the liquid moves to the outside of the vortex, and the foreign matter particles such as silt are more difficult to be thrown to the outside than the liquid due to larger mass and inertia, and therefore gradually gather to the inside, i.e. the center of the vortex, and enter the blowdown pipe 11 under the action of gravity, part of the liquid flows into the inner cylinder 8 fixed by the fixed rods 9 through the gap between the first flow guide disc 7 and the second flow guide disc 10, and is filtered by the first filter element 12; part of the liquid flows out of the four edges of the first flow guide disc 7 due to the collection of the liquid and the centrifugal force of the vortex, and is filtered by the second filter element 13 between the outer cylinder 3 and the inner cylinder 8.
[0022] The liquid filtered through the double filtering channels is gathered again at the bottom of the outer cylinder 3 and discharged through the water outlet pipe 14.
[0023] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A filter with double filtering channels, comprising an outer cylinder (3), the upper end of which is detachably mounted with an upper cover (2), the top end of which is fixedly mounted with a water inlet pipe (1) in communication with its interior, the lower end of the outer cylinder (3) is fixedly mounted with a water outlet pipe (14) in communication with its interior, characterized in that, The inner bottom wall of the upper cover (2) is provided with a flow guide plate (5) fixedly installed, an annular net (4) is detachably installed between the flow guide plate (5) and the lower end of the water inlet pipe (1), a plurality of drainage pipes (6) in communication with the inside of the upper cover (2) are distributed around the protrusion of the inner bottom wall of the upper cover (2), the drainage pipes (6) are obliquely arranged and are in communication with the inside of the outer cylinder (3), an inner cylinder (8) is fixedly installed in the inside of the outer cylinder (3), a second filter element (13) is detachably installed between the inner cylinder (8) and the outer cylinder (3), and a filtering mechanism is arranged on the inner cylinder (8).
2. The filter having dual filtration passages according to claim 1, characterized by, The filtering mechanism comprises a first flow guide disc (7) fixedly installed on the upper end of the inner cylinder (8), the first flow guide disc (7) is located below the plurality of drainage pipes (6), a plurality of fixed rods (9) are fixedly installed on the inner side wall of the outer cylinder (3), the plurality of fixed rods (9) are commonly fixedly connected with a second flow guide disc (10) after penetrating the side wall of the inner cylinder (8), a blowdown pipe (11) in communication with the inner side of the second flow guide disc (10) is fixedly installed at the lower end of the second flow guide disc (10), and the lower end of the blowdown pipe (11) extends to the outside of the outer cylinder (3) after penetrating the water outlet pipe (14).
3. The filter having dual filtration passages according to claim 2, wherein, The second flow guide disc (10) is located directly below the first flow guide disc (7) and has a diameter smaller than that of the first flow guide disc (7), and a gap is arranged between the second flow guide disc (10) and the first flow guide disc (7).
4. The filter having dual filtration passages according to claim 3, wherein A first filter element (12) is arranged below the second flow guide disc (10) and is detachably installed on the inner side of the inner cylinder (8), and a through slot is formed in the bottom wall of the inner cylinder (8).