Abstract

An incised surface is formed in one surface of a suction plate on the basis of a slit and a pattern roller is placed in a room, which is provided at a thickness part of the slit in which the incised surface is formed, to rotate in place so that the pattern roller partially protrudes outward from the incised surface and forms patterns on a surface of fleeces which are backwashed while passing through the slit so as to increase a filtration area of the fleeces. The backwash may be performed and the filtration area of the fleeces may be increased using the room. The spline-shaped patterns including splines cut to a certain length, patterns including several annular protrusions formed on an outer circumference of the pattern roller, spline-shaped patterns formed on the outer circumference, lattice-shaped patterns, and the like may be formed on a surface of the pattern roller.

IPC Classes  ?

• B01D 33/50 - Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
• B01D 33/46 - Regenerating the filter material in the filter by scrapers, brushes or the like acting on the cake-side of the filtering element

Abstract

A backwash suction device for a fabric filter is configured such that a cutaway surface is formed on one side of a suction plate around a slit and a pattern roller rotates in place in a space provided in the thickness direction of the slit where the cutaway surface is formed, such that a portion of the pattern roller protrudes out of the cutaway surface and passes through the slit while forming a pattern on backwashed villi, thereby increasing a filtration area of the villi. In addition, the space is formed apart from the slit by a predetermined distance on the cutaway surface, such that filtration efficiency of the fabric filter can be further increased by increasing the backwashing and filtration area of the villi through the space. Moreover, the pattern roller may have, formed on the surface thereof, a spline-shaped pattern cut by a predetermined length, a pattern in which several annular protrusions are formed on the outer periphery of the pattern roller, a spline-shaped pattern on the outer peripheral surface, and a pattern in which concavities and convexities are repeated in a lattice form.

IPC Classes  ?

• B01D 33/56 - Regenerating the filter material in the filter by forces created by movement of the filter element involving centrifugal force
• B01D 33/23 - Construction of discs or component sectors thereof
• B01D 33/80 - Accessories

Abstract

An incised surface is formed in one surface of a suction plate on the basis of a slit and a pattern roller is placed in a room, which is provided at a thickness part of the slit in which the incised surface is formed, to rotate in place so that the pattern roller partially protrudes outward from the incised surface and forms patterns on a surface of fleeces which are backwashed while passing through the slit so as to increase a filtration area of the fleeces. Also, since the room is formed to be spaced at a certain distance apart from the slit in the incised surface, backwash may be performed and the filtration area of the fleeces may be increased using the room so as to further increase filtration efficiency of a fibrous filter. Also, spline- shaped patterns including splines cut to a certain length, patterns including several annular protrusions formed on an outer circumference of the pattern roller, spline- shaped patterns formed on the outer circumference, lattice-shaped patterns including repeated uneven parts, and the like may be formed on a surface of the pattern roller.

IPC Classes  ?

• B01D 46/66 - Regeneration of the filtering material or filter elements inside the filter
• B01D 46/69 - Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side without movement with respect to the filter elements, e.g. fixed nozzles

Abstract

A backwashing suction device for a fabric filtration apparatus, and more particularly, a backwashing suction device for a fabric filtration apparatus in which an edge surface of a suction slit through which pile threads exit is inclined to form a slope so that the pile threads introduced into the suction slit when a fiber disk filter is rotated for backwashing come into contact with the slope and thus the amount of angular rotation of the pile threads is increased to increase the backwashing effect. Also, since a plurality of friction protrusions are formed to protrude from the slope, the effect of removing foreign substances can be further enhanced through the effect of rubbing and washing the pile threads on a washboard while the pile threads ascend over each of the friction protrusions one by one.

IPC Classes  ?

• B01D 33/50 - Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
• B01D 33/21 - Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
• B01D 33/46 - Regenerating the filter material in the filter by scrapers, brushes or the like acting on the cake-side of the filtering element

Abstract

The present invention relates to a backwashing suction device of a fabric filter, more specifically, that in which the edge of a suction slit through which pile threads slip out is formed as an inclined slope, to thereby allow the pile threads, which are sucked into the suction slit when a fiber disc filter rotates for backwashing, to contact the inclined slope, thus increasing the amount of angular rotation of the pile threads to raise a backwashing effect. In addition, multiple friction projections are formed to protrude on the slope, and thus, while the pile threads pass over the friction projections one by one, through the effect of scrub-washing the pile threads on a washboard, a foreign material removal effect can be increased even further.

IPC Classes  ?

• B01D 33/56 - Regenerating the filter material in the filter by forces created by movement of the filter element involving centrifugal force
• B01D 33/23 - Construction of discs or component sectors thereof
• B01D 33/80 - Accessories

Abstract

Provided is a backwashing suction device for a fabric filtration apparatus, and more particularly, a backwashing suction device for a fabric filtration apparatus in which an edge surface of a suction slit through which pile threads exit is inclined to form a slope so that the pile threads introduced into the suction slit when a fiber disk filter is rotated for backwashing come into contact with the slope and thus the amount of angular rotation of the pile threads is increased to increase the backwashing effect. Also, since a plurality of friction protrusions are formed to protrude from the slope, the effect of removing foreign substances can be further enhanced through the effect of rubbing and washing the pile threads on a washboard while the pile threads ascend over each of the friction protrusions one by one.

IPC Classes  ?

• B01D 29/62 - Regenerating the filter material in the filter