CN104275006A - Filter press adopting dynamic filtration - Google Patents
Filter press adopting dynamic filtration Download PDFInfo
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- CN104275006A CN104275006A CN201410447352.1A CN201410447352A CN104275006A CN 104275006 A CN104275006 A CN 104275006A CN 201410447352 A CN201410447352 A CN 201410447352A CN 104275006 A CN104275006 A CN 104275006A
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Abstract
The invention discloses a filter press adopting dynamic filtration. The filter press comprises at least a filter pressing unit, wherein each filter pressing unit comprises two filter plates; an elastic squeezing frame is arranged between the two filter plates; the backs of filter plate bodies are filtering surfaces, and frames are arranged around the fronts of the filter plate bodies; filter tanks are defined by the frames in the middle of the fronts of the filter plate bodies; feeding holes and water outlets are formed at the two corners of the lower sides of the filter plate bodies respectively; a feed channel communicated with the feeding hole and the filter tank is arranged on the front of each filter plate body; a water outlet channel communicated with the water outlet and the filter tank is also arranged on the front of each filter plate body; eddy generating structures are arranged among the feed channels, the filter tanks and the water outlet channels. The filter press has the beneficial effects that the original principle of utilizing filter cake layers for filtration is changed, thus overcoming the defects of high water content of filter cakes, difficulty in removing the cakes and high losses of filter cloths.
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, 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, 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, filter chamber is formed between described two pieces of filter plates, described elasticity squeeze frame is located at the edge part of filter plate, 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.
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, described filter plate body is in square, and described filter pocket is rounded, and straightway and the filter pocket of described feeding-passage are tangent.
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 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.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of dynamic filtration filter press, comprise at least one press filtration unit, each press filtration unit comprises two pieces of filter plates 1, elasticity squeeze frame is provided with between described two pieces of filter plates, formed between described elasticity squeeze frame and filter plate and seal, filter chamber is formed between described two pieces of filter plates, described elasticity squeeze frame is located at the edge part of filter plate, 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 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.
Claims (7)
1. a dynamic filtration filter press, 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, filter chamber is formed between described two pieces of filter plates, described elasticity squeeze frame is located at the edge part of filter plate, 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 (17), 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 (11), 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.
2. a kind of dynamic filtration filter press according to claim 1, is characterized in that: 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.
3. a kind of dynamic filtration filter press according to claim 2, is characterized in that: 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.
4. a kind of dynamic filtration filter press according to claim 3, is characterized in that: the posterior segment of described feeding-passage and exhalant canal is all arranged along the edge of filter pocket.
5. a kind of dynamic filtration filter press according to Claims 1-4 any one, is characterized in that: the longitudinal cross-section of described filter pocket be upper base upper go to the bottom under ladder structure of right angle.
6. a kind of dynamic filtration filter press according to claim 4, is characterized in that: described filter plate body is in square, and described filter pocket is rounded, and straightway and the filter pocket of described feeding-passage are tangent.
7. a kind of dynamic filtration filter press according to claim 1, is characterized in that: this filter press adopts hydraulic system as press filtration drive source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447352.1A CN104275006B (en) | 2014-09-04 | 2014-09-04 | A kind of dynamic filtration filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447352.1A CN104275006B (en) | 2014-09-04 | 2014-09-04 | A kind of dynamic filtration filter press |
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| Publication Number | Publication Date |
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| CN104275006A true CN104275006A (en) | 2015-01-14 |
| CN104275006B CN104275006B (en) | 2016-02-10 |
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| CN201410447352.1A Active CN104275006B (en) | 2014-09-04 | 2014-09-04 | A kind of dynamic filtration filter press |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116606037A (en) * | 2023-07-04 | 2023-08-18 | 湖南省欧朗环保科技有限公司 | Prepositive lifting adsorption device and method for oil separator |
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| US5169523A (en) * | 1990-04-06 | 1992-12-08 | Carle & Montanari, S.P.A. | Filter plate for presses for pressing cocoa pastes |
| US5240605A (en) * | 1989-02-18 | 1993-08-31 | Bioengineering Ag | Spiral filter |
| CN101711179A (en) * | 2007-06-08 | 2010-05-19 | 拉洛斯股份公司 | Method for filtering a suspension and filter device |
| 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 |
| CN102309876A (en) * | 2011-08-29 | 2012-01-11 | 浙江金鸟压滤机有限公司 | Improvement for dynamic filtration squeezing dewatering machine |
| CN204034354U (en) * | 2014-09-04 | 2014-12-24 | 浙江金鸟压滤机有限公司 | A kind of dynamic filtration filter press |
-
2014
- 2014-09-04 CN CN201410447352.1A patent/CN104275006B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5240605A (en) * | 1989-02-18 | 1993-08-31 | Bioengineering Ag | Spiral filter |
| US5169523A (en) * | 1990-04-06 | 1992-12-08 | Carle & Montanari, S.P.A. | Filter plate for presses for pressing cocoa pastes |
| CN101711179A (en) * | 2007-06-08 | 2010-05-19 | 拉洛斯股份公司 | Method for filtering a suspension and filter device |
| 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 |
| CN102309876A (en) * | 2011-08-29 | 2012-01-11 | 浙江金鸟压滤机有限公司 | Improvement for dynamic filtration squeezing dewatering machine |
| CN204034354U (en) * | 2014-09-04 | 2014-12-24 | 浙江金鸟压滤机有限公司 | A kind of dynamic filtration filter press |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116606037A (en) * | 2023-07-04 | 2023-08-18 | 湖南省欧朗环保科技有限公司 | Prepositive lifting adsorption device and method for oil separator |
| CN116606037B (en) * | 2023-07-04 | 2024-03-12 | 湖南省欧朗环保科技有限公司 | Prepositive lifting adsorption device and method for oil separator |
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| CN104275006B (en) | 2016-02-10 |
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