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CN-224220880-U - Porous foam metal filter device

CN224220880UCN 224220880 UCN224220880 UCN 224220880UCN-224220880-U

Abstract

The utility model discloses a porous foam metal filtering device which comprises a filtering tank, a filtering piece and a filtering piece, wherein a filtering space is formed in the filtering tank, a water inlet and a water outlet are formed in two ends of the filtering tank in the first direction, the water inlet and the water outlet are both selectively communicated with the filtering space, the filtering piece is installed in the filtering space, the filtering piece is opposite to the water inlet in the first direction and is located between the water inlet and the water outlet, the filtering piece is made of porous foam metal, and the distance between at least part of the filtering piece and the water inlet tends to be increased in the direction from the geometric center of the filtering piece to the edge of the filtering piece. The porous foam metal filtering device can meet the filtering requirements in various complex environments, and is beneficial to prolonging the service life of the porous foam metal filtering device.

Inventors

  • TANG XIANG

Assignees

  • 苏州佳士德泡沫金属有限公司

Dates

Publication Date
20260512
Application Date
20250520

Claims (10)

  1. 1. A porous metal foam filter device (100), comprising: the filter tank (10), a filter space (11) is formed in the filter tank (10), a water inlet (21) and a water outlet (22) are formed at two ends of the filter tank (10) in the first direction, and the water inlet (21) and the water outlet (22) are selectively communicated with the filter space (11); A filter element (30), wherein the filter element (30) is installed in the filtering space (11), and in the first direction, the filter element (30) is opposite to the water inlet (21) and is positioned between the water inlet (21) and the water outlet (22); the filter element (30) is made of porous foam metal, and the distance between at least part of the filter element (30) and the water inlet (21) tends to increase in the direction from the geometric center of the filter element (30) to the edge of the filter element (30).
  2. 2. The porous metal foam filter device (100) according to claim 1, characterized in that the porous metal foam comprises a first portion (31) and a second portion (32), the second portion (32) being connected to the inner wall of the filter tank (10) and being arranged around the first portion (31), the minimum distance of the second portion (32) to the water inlet (21) being larger than the maximum distance of the second portion (32) to the water inlet (21).
  3. 3. The porous metal foam filter device (100) of claim 2, wherein the first portion (31) is disposed opposite the water inlet (21) and wherein the thickness of the first portion (31) is greater than the thickness of the second portion (32) in the first direction.
  4. 4. A porous metal foam filter device (100) according to claim 3, characterized in that the outer surface of the first portion (31) towards the end of the water inlet (21) is curved and/or the outer surface of the second portion (32) towards the end of the water inlet (21) is curved.
  5. 5. The porous metal foam filter device (100) of claim 1, wherein the porosity of the porous metal foam increases gradually in the direction from the water inlet (21) to the water outlet (22).
  6. 6. The porous metal foam filter device (100) of claim 1, wherein the porous metal foam has a porosity of 70% -90% and/or the porous metal foam has a pore size of 10 mm-500 microns.
  7. 7. The porous metal foam filter device (100) of claim 1, wherein a plurality of the filter elements (30) are provided, the plurality of filter elements (30) being arranged along the first direction.
  8. 8. The porous metal foam filter device (100) according to claim 1, further comprising a first sealing ring (41), wherein the first sealing ring (41) is sealingly connected between an end of the filter element (30) near the water inlet (21) and an inner wall of the filter tank (10).
  9. 9. The porous metal foam filter device (100) of claim 8, further comprising a second seal ring (42), the second seal ring (42) being sealingly connected between an end of the filter element (30) proximate the water outlet (22) and an inner wall of the filter canister (10).
  10. 10. The porous metal foam filter device (100) according to any one of claims 1-9, wherein a viewing window is provided on the filter canister (10).

Description

Porous foam metal filter device Technical Field The utility model relates to the technical field of filter devices, in particular to a porous foam metal filter device. Background The existing filtering device adopts filter elements such as filter paper or filter screen to filter, however, the materials are easy to damage under high temperature, high pressure or corrosive environment, so that the filtering device is difficult to adapt to the filtering requirements under various complex environments, and the service life of the filtering device is lower. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the porous foam metal filtering device which can meet the filtering requirements in various complex environments and is beneficial to prolonging the service life of the porous foam metal filtering device. The porous foam metal filtering device comprises a filtering tank, a filtering piece and a filtering piece, wherein a filtering space is formed in the filtering tank, a water inlet and a water outlet are formed in two ends of the filtering tank in the first direction, the water inlet and the water outlet are respectively and selectively communicated with the filtering space, the filtering piece is installed in the filtering space, the filtering piece is opposite to the water inlet in the first direction and is located between the water inlet and the water outlet, the filtering piece is made of porous foam metal, and the distance between at least part of the filtering piece and the water inlet in the direction from the geometric center of the filtering piece to the edge of the filtering piece is in a trend of increasing. According to the porous foam metal filtering device provided by the embodiment of the utility model, the filtering piece is made of the porous foam metal, and the porous foam metal has the characteristics of high porosity, good mechanical strength, high temperature resistance, corrosion resistance and the like, so that the porous foam metal filtering device can be suitable for filtering requirements in various complex environments, and the service life of the porous foam metal filtering device is prolonged. According to some embodiments of the utility model, the porous metal foam filter comprises a first portion and a second portion, the second portion being connected to the inner wall of the filter tank and disposed around the first portion, the minimum distance from the second portion to the water inlet being greater than the maximum distance from the second portion to the water inlet. According to some embodiments of the utility model, the first portion is disposed opposite the water inlet, and a thickness of the first portion is greater than a thickness of the second portion in the first direction. According to some embodiments of the utility model, the outer surface of the first portion facing the end of the water inlet is curved, and/or the outer surface of the second portion facing the end of the water inlet is curved. According to some embodiments of the utility model, the porous metal foam filter device has a porosity that gradually increases in a direction from the water inlet to the water outlet. According to some embodiments of the utility model, the porous metal foam filter has a porosity of 70% -90% and/or a pore size of 10 mm-500 microns. According to some embodiments of the utility model, the porous metal foam filter is provided with a plurality of filter elements, and the plurality of filter elements are arranged at intervals along the first direction. The porous foam metal filtering device according to some embodiments of the utility model further comprises a first sealing ring, wherein the first sealing ring is connected between one end of the filtering piece, which is close to the water inlet, and the inner wall of the filtering tank in a sealing mode. The porous foam metal filtering device according to some embodiments of the utility model further comprises a second sealing ring, wherein the second sealing ring is connected between one end of the filtering piece, which is close to the water outlet, and the inner wall of the filtering tank in a sealing manner. According to some embodiments of the utility model, the porous foam metal filter device is provided with a filter tank provided with a viewing window. Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. Drawings The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which: FIG. 1 is a schematic illustration of a porous metal foam filter device according to some embodi