CN104307225A - Filter press - Google Patents

Filter press Download PDF

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Publication number
CN104307225A
CN104307225A CN201410466740.4A CN201410466740A CN104307225A CN 104307225 A CN104307225 A CN 104307225A CN 201410466740 A CN201410466740 A CN 201410466740A CN 104307225 A CN104307225 A CN 104307225A
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CN
China
Prior art keywords
filter
frame
filter plate
plate body
pocket
Prior art date
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Granted
Application number
CN201410466740.4A
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Chinese (zh)
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CN104307225B (en
Inventor
贺仲宪
汪亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou greenke environmental protection Co., Ltd.
Original Assignee
ZHEJIANG GOLDENBIRD FILTER PRESS CO Ltd
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Application filed by ZHEJIANG GOLDENBIRD FILTER PRESS CO Ltd filed Critical ZHEJIANG GOLDENBIRD FILTER PRESS CO Ltd
Priority to CN201410466740.4A priority Critical patent/CN104307225B/en
Publication of CN104307225A publication Critical patent/CN104307225A/en
Application granted granted Critical
Publication of CN104307225B publication Critical patent/CN104307225B/en
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Abstract

The invention discloses a filter press. The filter press comprises at least one filter pressing unit, each one of the filter pressing units includes two parallel filtering plates, and a position which is located between the two adjacent filtering plates and is adjacent to outer edges of the filtering plates is provided with an elastic squeezing frame comprising an elastomer frame and a filtering frame. The filtering plate comprises a filtering plate main body, a feed port and a water outlet are respectively arranged at two lower corners of the filtering plate main body, a feed channel, which communicates the feed port and a filtering tank, is arranged on the front surface of the filtering plate main body, and a water outlet channel, which communicates the water outlet and the filtering tank, is arranged on the front surface of the filtering plate main body. An eddy current forming structure is arranged among the feed channel, the filtering tank, and the water outlet channel. Sealing rings are arranged between the inner sides of the filtering frame and the filtering plates. The filter press solves the problems of high water content of filter cake, difficult discharge of filter cake and large loss of filter cloth.

Description

A kind of filter press
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, 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, 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, formed between described elasticity squeeze frame and filter plate and seal, described elasticity squeeze frame is located at the end of filter plate, described two pieces of filter plates and elasticity squeeze frame surround filter chamber between two pieces of filter plates, 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 filter frame outer ring is evenly provided with at least two protuberances, elastomer frame is corresponding with protuberance position, described elastomer frame clamps between described protuberance and described filter plate, and elastomer frame and described filter plate are fixed, sealing ring is provided with inside described filter frame and between described filter plate.
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 frame is for framework is thick and structure that protuberance is thin, and described filter plate is provided with a ring wing in filter plate body edges, and described ring wing thickness is less than the thickness of filter plate body, and described elasticity squeeze frame clamping is located between the two side ring wings.
Preferably, described sealing ring is fixed on filter plate, is wherein provided with the sealing lip extended to filter frame outside sealing ring, and described sealing lip to be fastened on bottom described filter frame on corner.
Preferably, be provided with projection inside described sealing ring, the binding face of described filter plate and described sealing ring is provided with draw-in groove, and described projection is connected in described draw-in groove and realizes fixing.
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 the syndeton schematic diagram of elasticity squeeze frame and filter plate.
Detailed description of the invention
Below specific embodiment of the invention scheme is described, as shown in Figure 1 to Figure 3, a kind of dynamic filtration filter press, comprises at least one press filtration unit, and each press filtration unit comprises two pieces of filter plates 1, is 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, and described elasticity squeeze frame is located at the end of filter plate, be provided with sealing ring 4 inside described filter frame and between described filter plate, described two pieces of filter plates and elasticity squeeze frame surround filter chamber 5 between two pieces of filter plates.
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, described filter frame 3 outer ring is evenly provided with at least two protuberances 31, and elastomer frame 2 is corresponding with protuberance position, and described elastomer frame 2 clamps between described protuberance and described filter plate, and elastomer frame and described filter plate are fixed.Described filter frame is for framework is thick and structure that protuberance is thin, and described filter plate is provided with a ring wing 101 in filter plate body edges, and described ring wing thickness is less than the thickness of filter plate body, and described elasticity squeeze frame clamping is located between the two side ring wings.Described sealing ring 4 is fixed on filter plate, is wherein provided with the sealing lip 41 extended to filter frame outside sealing ring, and described sealing lip to be fastened on bottom described filter frame on corner.Be provided with protruding 42 inside described sealing ring, the binding face of described filter plate and described sealing ring is provided with draw-in groove 102, and described projection is connected in described draw-in groove and realizes fixing.

Claims (8)

1. a filter press, 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, formed between described elasticity squeeze frame and filter plate and seal, described elasticity squeeze frame is located at the end of filter plate, described two pieces of filter plates and elasticity squeeze frame surround filter chamber between two pieces of filter plates, it is characterized in that: 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 filter frame outer ring is evenly provided with at least two protuberances, elastomer frame is corresponding with protuberance position, described elastomer frame clamps between described protuberance and described filter plate, and elastomer frame and described filter plate are fixed, sealing ring is provided with inside described filter frame and between described filter plate.
2. a kind of 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 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 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 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 filter press according to claim 1, it is characterized in that: described filter frame is for framework is thick and the structure that protuberance is thin, described filter plate is provided with a ring wing in filter plate body edges, and described ring wing thickness is less than the thickness of filter plate body, and described elasticity squeeze frame clamping is located between the two side ring wings.
7. a kind of filter press according to claim 6, is characterized in that: described sealing ring is fixed on filter plate, is wherein provided with the sealing lip extended to filter frame outside sealing ring, and described sealing lip to be fastened on bottom described filter frame on corner.
8. a kind of filter press according to claim 7, it is characterized in that: be provided with projection inside described sealing ring, the binding face of described filter plate and described sealing ring is provided with draw-in groove, and described projection is connected in described draw-in groove and realizes fixing.
CN201410466740.4A 2014-09-15 2014-09-15 A kind of filter press Active CN104307225B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410466740.4A CN104307225B (en) 2014-09-15 2014-09-15 A kind of filter press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410466740.4A CN104307225B (en) 2014-09-15 2014-09-15 A kind of filter press

Publications (2)

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CN104307225A true CN104307225A (en) 2015-01-28
CN104307225B CN104307225B (en) 2016-04-13

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN202170288U (en) * 2011-08-29 2012-03-21 浙江金鸟压滤机有限公司 Improved dynamic filtering and squeezing dehydrator
CN204034358U (en) * 2014-09-15 2014-12-24 浙江金鸟压滤机有限公司 A kind of filter press

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN202170288U (en) * 2011-08-29 2012-03-21 浙江金鸟压滤机有限公司 Improved dynamic filtering and squeezing dehydrator
CN204034358U (en) * 2014-09-15 2014-12-24 浙江金鸟压滤机有限公司 A kind of filter press

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Effective date of registration: 20180428

Address after: 516007 No. 01, 17 floor, Longsheng commercial building, Hua Bian Ling Plaza, Henan, Huizhou, Guangdong.

Patentee after: Huizhou greenke environmental protection 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.

TR01 Transfer of patent right