CN104307227B - A kind of filter press modified node method - Google Patents
A kind of filter press modified node method Download PDFInfo
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- CN104307227B CN104307227B CN201410467040.7A CN201410467040A CN104307227B CN 104307227 B CN104307227 B CN 104307227B CN 201410467040 A CN201410467040 A CN 201410467040A CN 104307227 B CN104307227 B CN 104307227B
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Abstract
The invention discloses a kind of filter press modified node method, comprise at least one press filtration unit, each press filtration unit comprises two pieces of parallel filter plates, be provided with at adjacent filter plate outward flange position the elasticity squeeze frame be made up of elastomer frame and filter frame between two pieces of filter plates, form sealing between described elasticity squeeze frame and filter plate to make to form filter chamber between two filter plates, described filter plate comprises filter plate body, feeding-passage, filter pocket, vortex generating structure is provided with between exhalant canal, filter frame inner circumferential side is located at by described elastomer frame, described filter plate is provided with a ring wing in filter plate body outer rim, the thickness of the described ring wing is less than the thickness of filter plate body, described elasticity squeeze frame is located between the ring wing of two adjacent filter plate, described elastomer frame outer circumferential side is provided with flange, described filter frame inner circumferential side is provided with draw-in groove, described flange snaps in draw-in groove.The present invention solves the defect that cake moisture is high, cake discharge is difficult, filter cloth loss is large.
Description
Technical field
The present invention relates to filter press.
Background technology
The filter-press dehydration of SMTO catalyst is a very important link during it is produced, and in whole production process, has very important effect.Existing filter-pressing process mainly contains following link: utilize cake layer work principle of filter, fed filtration, when inlet amount reaches the upper limit, time fluid is few, starts diaphragm pressing and carries out press dewatering, after press dewatering completes, carry out removal filter cake, finally dry.
Original work principle of filter and way, adopt cake layer to filter, the filter cake after filtration is thicker, and resistivity is larger, and filter more difficult, make cake moisture high, filtration time is long.Namely material is after filtration completes, still containing a large amount of moisture.So not only make the increasing of follow-up oven dry cost; And filter cake becomes mud shape to stick on filter cloth, and need workman to root out, cause cake discharge difficulty, labo r usage's increasing; Cake moisture is high, and the concentration of toxic gases contained by the inside is just high, larger to the harm of operator; Utilize hard tool to be rooted out by the filter cake sticked on filter cloth, the loss of filter cloth strengthens, and the replacement cycle is short.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of filter press modified node method, solves the defect that cake moisture is high, cake discharge is difficult, filter cloth loss is large.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of filter press modified node method, comprise at least one press filtration unit, each press filtration unit comprises two pieces of parallel filter plates, be provided with at adjacent filter plate outward flange position the elasticity squeeze frame be made up of elastomer frame and filter frame between two pieces of filter plates, form sealing between described elasticity squeeze frame and filter plate to make to form filter chamber between two filter plates, described elasticity squeeze frame is located at the end of filter plate, described filter plate comprises filter plate body, before and after described filter plate body, both sides are coated by filter cloth, the described filter plate body back side is filtering surface, described filter plate body front surrounding is provided with frame, the positive Middle face of described filter plate body encloses out filter pocket by frame, on the downside of described filter plate body, two corner locations are respectively equipped with charging aperture and delivery port, described filter plate body front is provided with the feeding-passage that is communicated with charging aperture and filter pocket, described filter plate body front is also provided with the exhalant canal that is communicated with delivery port and filter pocket, described feeding-passage, filter pocket, vortex generating structure is provided with between exhalant canal, filter frame inner circumferential side is located at by described elastomer frame, described filter plate is provided with a ring wing in filter plate body outer rim, the thickness of the described ring wing is less than the thickness of filter plate body, described elasticity squeeze frame is located between the ring wing of two adjacent filter plate, described elastomer frame outer circumferential side is provided with flange, described filter frame inner circumferential side is provided with draw-in groove, described flange snaps in draw-in groove.
Preferably, described feeding-passage comprises and the straightway of the longitudinal central axis line parallel of filter pocket and the arc section to curved extension on the upside of filter pocket longitudinal central axis line.
Preferably, described exhalant canal is and that to filter pocket longitudinal central axis line on the downside of an extend beeline channel vertical with filter pocket longitudinal central axis line.
Preferably, the posterior segment of described feeding-passage and exhalant canal is all arranged along the edge of filter pocket.
Preferably, the longitudinal cross-section of described filter pocket be upper base upper go to the bottom under ladder structure of right angle.
Preferably, the corresponding described elastomer frame of the described ring wing is provided with annular groove, and described elastomer frame is located in described annular groove.
Preferably, chamfered transition structure is provided with between the described ring wing and filter plate body.
Preferably, chamfered transition structure is provided with between described flange root and described elastomer circle.
Preferably, described filter plate body is in square, and described filter pocket is rounded.
Preferably, this filter press adopts hydraulic system as press filtration drive source.
The present invention is at feeding-passage, filter pocket, vortex generating structure is provided with between exhalant canal, the filtrate suspended in the dynamic filtration process of charging forms spiral vortex after feeding-passage enters filter pocket, spiral vortex constantly stirs the filtrate entering filter chamber, on the one hand filter cloth is washed away, prevent the initial stage of filter residue on filter medium from depositing in a large number, on the other hand, make filtrate by center to surrounding alluviation to limit thickening of filter cake, also filtering simultaneously, like this, mobile filtrate on one side, while filter, in the process of this dynamic filtration, the rate of filtration can not obviously slow down, complete after filter chamber is full of filter cake under feed pressure effect, finally super high pressure hydraulic power is imposed to it, make two pieces of filter plates make cylinder piston secondary to advance, the squeezing of filter cake enforcement to filter residue is directly passed to by filter plate, make the bridge formation intensity of filter residue under the critical action of hydraulic force being greater than it, produce scholar to become, compression, to squeeze out moisture, change and originally utilize cake layer work principle of filter, thus it is high to solve cake moisture, cake discharge is difficult, the defect that filter cloth loss is large.
Therefore beneficial effect of the present invention is embodied in:
1, cake moisture is low, and the rate of filtration is fast, reduces oven dry cost;
2, filter cake becomes pie, and moisture few filter cake intensity is large, and water content is little, and substantially reduce the adhesion of filter cake to filter medium, filter plate one is opened, and utilizes the mechanism of mechanical cake discharge, is just easy to fall down, and without the need to manually rooting out, employment reduces;
3, by reducing the toxic gas produced, the harm to operating personnel is reduced;
4, without the need to rooting out filter cake with hard tool, filter cloth damage is little, and the replacement cycle is long.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is the Facad structure schematic diagram of filter plate;
Fig. 2 is A-A generalized section in Fig. 1;
Fig. 3 is elasticity squeeze frame and connecting structure for filter plates embodiment 1;
Fig. 4 is elasticity squeeze frame and connecting structure for filter plates embodiment 2.
Detailed description of the invention
Below specific embodiment of the invention scheme is described, as shown in Figures 1 to 4, a kind of dynamic filtration filter press modified node method, comprise at least one press filtration unit, each press filtration unit comprises two filter plates 1, be provided with elasticity squeeze frame between described two filter plates, described elasticity squeeze frame is made up of elastomer frame 2 and filter frame 3, is formed and seal and form filter chamber 4 between two filter plates between described elasticity squeeze frame and filter plate.
As depicted in figs. 1 and 2, a kind of dynamic filtration filter plate 1, comprise filter plate body, described filter plate body front and the back side coated by filter cloth, the described filter plate body back side is filtering surface 17, described filtering surface is provided with convex stripe, described filter plate body front surrounding is provided with frame 11, the positive Middle face of described filter plate body encloses out filter pocket 12 by frame, on the downside of described filter plate body, two corner locations are respectively equipped with charging aperture 13 and delivery port 15, described filter plate body front is provided with the feeding-passage 14 that is communicated with charging aperture and filter pocket, described filter plate body front is also provided with the exhalant canal 16 that is communicated with delivery port and filter pocket, described feeding-passage, filter pocket, vortex generating structure is provided with between exhalant canal.
Concrete, described feeding-passage comprises and the straightway of the longitudinal central axis line parallel of filter pocket and the arc section to curved extension on the upside of filter pocket longitudinal central axis line.Described exhalant canal is and that to filter pocket longitudinal central axis line on the downside of an extend beeline channel vertical with filter pocket longitudinal central axis line.Like this, filtrate forms roughly spiral structure through feeding-passage, filter pocket, exhalant canal, and due to the jet impact force of charging, filtrate can form strong eddy current in filter chamber.Spiral vortex constantly stirs the filtrate entering filter chamber, on the one hand filter cloth is washed away, prevent the initial stage of filter residue on filter medium from depositing in a large number, on the other hand, make filtrate by center to surrounding alluviation to limit thickening of filter cake, meanwhile, also filtering, like this, mobile filtrate on one side, while filter, in the process of this dynamic filtration, the rate of filtration can not obviously slow down.
In addition, filter pocket is roughly rounded, the straightway of feeding-passage and exhalant canal and filter pocket tangent, the posterior segment of described feeding-passage and exhalant canal is all arranged along the edge of filter pocket.The end being exactly described feeding-passage in addition extends through filter pocket longitudinal central axis line, the end of described exhalant canal also extends through filter pocket longitudinal central axis line, and both to exceed the distance of filter pocket longitudinal central axis line roughly equal, test shows, the intensity and the effect that form eddy current like this can be better.
The longitudinal cross-section of described filter pocket be upper base upper go to the bottom under ladder structure of right angle, the filter pocket of so last formation and filter chamber are the little structure of the large lower space of upper space, and such venturi effect is better, and filter effect is better.
As shown in Figure 3, in elasticity squeeze frame and connecting structure for filter plates embodiment 1, filter frame 3 inner circumferential side is located at by described elastomer frame 2, described filter plate is provided with a ring wing in filter plate body outer rim, the thickness of the described ring wing is less than the thickness of filter plate body, and described elasticity squeeze frame is located between the ring wing of two adjacent filter plate, and described elastomer frame outer circumferential side is provided with flange 21, described filter frame inner circumferential side is provided with draw-in groove 31, and described flange snaps in draw-in groove.
As shown in Figure 4, in elasticity squeeze frame and connecting structure for filter plates embodiment 2, arrange the ring wing 101 equally, its corresponding described elastomer frame is provided with annular groove 102, and described elastomer frame is located in described annular groove.Chamfered transition structure is provided with between the described ring wing and filter plate body.Chamfered transition structure is provided with between described flange root and described elastomer circle.
Claims (1)
1. a filter press modified node method, comprise at least one press filtration unit, each press filtration unit comprises two pieces of parallel filter plates, be provided with at adjacent filter plate outward flange position the elasticity squeeze frame be made up of elastomer frame and filter frame between two pieces of filter plates, form sealing between described elasticity squeeze frame and filter plate to make to form filter chamber between two filter plates, described elasticity squeeze frame is located at the end of filter plate, it is characterized in that: described filter plate comprises filter plate body, before and after described filter plate body, both sides are coated by filter cloth, the described filter plate body back side is filtering surface, described filter plate body front surrounding is provided with frame, the positive Middle face of described filter plate body encloses out filter pocket by frame, on the downside of described filter plate body, two corner locations are respectively equipped with charging aperture and delivery port, described filter plate body front is provided with the feeding-passage that is communicated with charging aperture and filter pocket, described filter plate body front is also provided with the exhalant canal that is communicated with delivery port and filter pocket, described feeding-passage, filter pocket, vortex generating structure is provided with between exhalant canal, filter frame inner circumferential side is located at by described elastomer frame, described filter plate is provided with a ring wing in filter plate body outer rim, the thickness of the described ring wing is less than the thickness of filter plate body, described elasticity squeeze frame is located between the ring wing of two adjacent filter plate, described elastomer frame outer circumferential side is provided with flange, described filter frame inner circumferential side is provided with draw-in groove, described flange snaps in draw-in groove, described feeding-passage comprises and the straightway of the longitudinal central axis line parallel of filter pocket and the arc section to curved extension on the upside of filter pocket longitudinal central axis line, described exhalant canal is and that to filter pocket longitudinal central axis line on the downside of an extend beeline channel vertical with filter pocket longitudinal central axis line, the posterior segment of described feeding-passage and exhalant canal is all arranged along the edge of filter pocket, the longitudinal cross-section of described filter pocket be upper base upper go to the bottom under ladder structure of right angle, the corresponding described elastomer frame of the described ring wing is provided with annular groove, described elastomer frame is located in described annular groove, chamfered transition structure is provided with between the described ring wing and filter plate body, chamfered transition structure is provided with between described flange root and described elastomer frame, described filter plate body is in square, described filter pocket is rounded, this filter press adopts hydraulic system as press filtration drive source, the filtrate suspended in the dynamic filtration process of charging forms spiral vortex after feeding-passage enters filter pocket, spiral vortex constantly stirs the filtrate entering filter chamber, on the one hand filter cloth is washed away, prevent the initial stage of filter residue on filter medium from depositing in a large number, on the other hand, make filtrate by center to surrounding alluviation to limit thickening of filter cake, also filtering simultaneously, like this, mobile filtrate on one side, while filter, in the process of this dynamic filtration, the rate of filtration can not obviously slow down, complete after filter chamber is full of filter cake under feed pressure effect, finally super high pressure hydraulic power is imposed to it, make two pieces of filter plates make cylinder piston secondary to advance, the squeezing of filter cake enforcement to filter residue is directly passed to by filter plate, make the bridge formation intensity of filter residue under the critical action of hydraulic force being greater than it, produce scholar to become, compression, to squeeze out moisture.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410467040.7A CN104307227B (en) | 2014-09-15 | 2014-09-15 | A kind of filter press modified node method |
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| CN201410467040.7A CN104307227B (en) | 2014-09-15 | 2014-09-15 | A kind of filter press modified node method |
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| CN104307227A CN104307227A (en) | 2015-01-28 |
| CN104307227B true CN104307227B (en) | 2016-04-13 |
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| CN114618198B (en) * | 2022-04-11 | 2024-01-09 | 江苏懿锋水处理有限公司 | Discharging auxiliary device of plate-and-frame filter press |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068840A (en) * | 2010-12-08 | 2011-05-25 | 浙江金鸟压滤机有限公司 | Filter plate structure of non-membrane-type pressure filter |
| CN102068839A (en) * | 2010-12-08 | 2011-05-25 | 浙江金鸟压滤机有限公司 | Pressure filter for cross-flow and parallel-flow cross filtering |
| CN102974140A (en) * | 2012-11-16 | 2013-03-20 | 浙江金鸟压滤机有限公司 | Press filter |
| CN204034359U (en) * | 2014-09-15 | 2014-12-24 | 浙江金鸟压滤机有限公司 | A kind of filter press modified node method |
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- 2014-09-15 CN CN201410467040.7A patent/CN104307227B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068840A (en) * | 2010-12-08 | 2011-05-25 | 浙江金鸟压滤机有限公司 | Filter plate structure of non-membrane-type pressure filter |
| CN102068839A (en) * | 2010-12-08 | 2011-05-25 | 浙江金鸟压滤机有限公司 | Pressure filter for cross-flow and parallel-flow cross filtering |
| CN102974140A (en) * | 2012-11-16 | 2013-03-20 | 浙江金鸟压滤机有限公司 | Press filter |
| CN204034359U (en) * | 2014-09-15 | 2014-12-24 | 浙江金鸟压滤机有限公司 | A kind of filter press modified node method |
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Effective date of registration: 20181023 Address after: 233000 6 Chuang Yuan Road, Guzhen Economic Development Zone, Bengbu, Anhui Patentee after: Anhui smooth biological Co., Ltd. Address before: 313113 No. 268, Green Avenue, industrial zone, Si an town, Changxing County, Huzhou, Zhejiang. Patentee before: Zhejiang Goldenbird Filter Press Co., Ltd. |
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