CN104307228B - A kind of dynamic filtration filter press modified node method - Google Patents
A kind of dynamic filtration filter press modified node method Download PDFInfo
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- CN104307228B CN104307228B CN201410467940.1A CN201410467940A CN104307228B CN 104307228 B CN104307228 B CN 104307228B CN 201410467940 A CN201410467940 A CN 201410467940A CN 104307228 B CN104307228 B CN 104307228B
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- filter
- frame
- filter plate
- plate body
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- 238000001914 filtration Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000004744 fabric Substances 0.000 claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims description 33
- 239000000806 elastomer Substances 0.000 claims description 33
- 239000012065 filter cake Substances 0.000 claims description 15
- 239000000706 filtrate Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of dynamic filtration filter press modified node method, comprise at least one press filtration unit, each press filtration unit comprises two pieces of filter plates, two pieces of filter plates and elasticity squeeze frame enclose formation filter chamber, described filter plate comprises filter plate body, the positive Middle face of 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.The 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 dynamic filtration 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 dynamic filtration filter press modified node method, comprise at least one press filtration unit, each press filtration unit comprises two pieces of filter plates, elasticity squeeze frame is provided with between described two pieces of filter plates, formed between described elasticity squeeze frame and filter plate and seal, described two pieces of filter plates and elasticity squeeze frame enclose formation filter chamber, described filter plate comprises 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, 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, described elasticity squeeze frame is located at the outer end of filter plate, described elasticity squeeze frame is made up of elastomer frame and filter 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, and described elastomer frame is provided with seal lip at the described ring wing and filter plate body connecting position.
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, filter frame inner circumferential side is located at by described elastomer frame, and described elastomer frame outer circumferential side is provided with flange, and described filter frame inner circumferential side is provided with draw-in groove, and described flange snaps in draw-in groove.
Preferably, described seal lip is splayed, is provided with arc-shaped transitional surface between the described ring wing and filter plate body, is supported in arc-shaped transitional surface and filter plate body connecting position bottom two legs of described seal lip.
Preferably, described seal lip is square shape, is provided with intermediate incline between the described ring wing and filter plate body, and described seal lip two sides are inclined-plane, and the two sides of described seal lip are supported on intermediate incline.
Preferably, described elastomer frame comprises interior elastomer frame and outer elastomer frame, described interior elastomer frame and filter frame one are fixed, described filter frame inner circumferential side is provided with draw-in groove, U-shaped seal lip is provided with inside described interior elastomer frame, two legs of described seal lip are supported between filter plate body outer ring surface, and described interior elastomer frame outer circumferential side is provided with fixed leg and outer elastomer frame is fixed.
The present invention is at feeding-passage, filter pocket, vortex generating structure is provided with between exhalant canal, the filtrate suspended in charging and dynamic filtration process 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, 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 content, 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;
Fig. 5 is elasticity squeeze frame and connecting structure for filter plates embodiment 3.
Detailed description of the invention
Below specific embodiment of the invention scheme is described, as shown in Figures 1 to 5, a kind of dynamic filtration filter press modified node method, comprise at least one press filtration unit, each press filtration unit comprises two pieces of filter plates 1, and be provided with elasticity squeeze frame between described two pieces of filter plates, described elasticity squeeze frame is made up of elastomer frame 2 and filter frame 3, formed between described elasticity squeeze frame and filter plate and seal, described two pieces of filter plates 1 enclose with elasticity squeeze frame and form filter chamber 4.
As depicted in figs. 1 and 2, filter plate 1 comprises 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, 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, for elasticity squeeze frame and connecting structure for filter plates embodiment 1, described filter plate 1 is provided with a ring wing 101 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, and described elastomer frame is provided with seal lip at the described ring wing and filter plate body connecting position.In the present embodiment, filter frame 3 inner circumferential side is located at by described elastomer frame 2, and described elastomer frame outer circumferential side is provided with flange 21, and described filter frame inner circumferential side is provided with draw-in groove 31, and described flange snaps in draw-in groove.Described seal lip is splayed 22, is provided with arc-shaped transitional surface between the described ring wing and filter plate body, is supported in arc-shaped transitional surface and filter plate body connecting position bottom two legs of described seal lip.
As shown in Figure 4, for elasticity squeeze frame and connecting structure for filter plates embodiment 2, described seal lip is square shape 23, is provided with intermediate incline between the described ring wing and filter plate body, described seal lip two sides are inclined-plane, and the two sides of described seal lip are supported on intermediate incline.
As shown in Figure 5, for elasticity squeeze frame and connecting structure for filter plates embodiment 3, described elastomer frame 2 comprises interior elastomer frame 24 and outer elastomer frame 25, described interior elastomer frame and filter frame one are fixed, described filter frame inner circumferential side is provided with draw-in groove 31, be provided with U-shaped seal lip 241 inside described interior elastomer frame, two legs of described seal lip are supported between filter plate body outer ring surface, and described interior elastomer frame outer circumferential side is provided with fixed leg 242 and fixes with outer elastomer frame.
Claims (1)
1. a dynamic filtration filter press modified node method, comprise at least one press filtration unit, each press filtration unit comprises two pieces of filter plates, it is characterized in that: between described two pieces of filter plates, be provided with elasticity squeeze frame, formed between described elasticity squeeze frame and filter plate and seal, described two pieces of filter plates and elasticity squeeze frame enclose formation filter chamber, described filter plate comprises 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, 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, described elasticity squeeze frame is located at the outer end of filter plate, described elasticity squeeze frame is made up of elastomer frame and filter 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 is provided with seal lip at the described ring wing and filter plate body connecting position, 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, filter frame inner circumferential side is located at by described elastomer frame, 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 seal lip is splayed, arc-shaped transitional surface is provided with between the described ring wing and filter plate body, arc-shaped transitional surface and filter plate body connecting position is supported in bottom two legs of described seal lip, described seal lip is square shape, intermediate incline is provided with between the described ring wing and filter plate body, described seal lip two sides are inclined-plane, the two sides of described seal lip are supported on intermediate incline, described elastomer frame comprises interior elastomer frame and outer elastomer frame, described interior elastomer frame and filter frame one are fixed, described filter frame inner circumferential side is provided with draw-in groove, U-shaped seal lip is provided with inside described interior elastomer frame, two legs of described seal lip are supported between filter plate body outer ring surface, described interior elastomer frame outer circumferential side is provided with fixed leg and outer elastomer frame is fixed, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410467940.1A CN104307228B (en) | 2014-09-15 | 2014-09-15 | A kind of dynamic filtration filter press modified node method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410467940.1A CN104307228B (en) | 2014-09-15 | 2014-09-15 | A kind of dynamic filtration filter press modified node method |
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| Publication Number | Publication Date |
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| CN104307228A CN104307228A (en) | 2015-01-28 |
| CN104307228B true CN104307228B (en) | 2016-04-13 |
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| CN201410467940.1A Expired - Fee Related CN104307228B (en) | 2014-09-15 | 2014-09-15 | A kind of dynamic filtration filter press modified node method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068839B (en) * | 2010-12-08 | 2012-12-26 | 浙江金鸟压滤机有限公司 | Pressure filter for cross-flow and parallel-flow cross filtering |
| CN102068840B (en) * | 2010-12-08 | 2013-07-31 | 浙江金鸟压滤机有限公司 | Filter plate structure of non-membrane-type pressure filter |
| CN204051122U (en) * | 2014-09-15 | 2014-12-31 | 浙江金鸟压滤机有限公司 | A kind of dynamic filtration filter press modified node method |
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Effective date of registration: 20181024 Address after: 233000 6 Chuang Yuan Road, Guzhen Economic Development Zone, Bengbu, Anhui Patentee after: ANHUI SHUNLI BIOLOGY CO.,LTD. Address before: 313113 No. 268, Green Avenue, industrial zone, Si an town, Changxing County, Huzhou, Zhejiang. Patentee before: ZHEJIANG GOLDEN BIRD FILTER PRESS Co.,Ltd. |
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Granted publication date: 20160413 |
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