CN104275007A - Feeding structure of dynamic filter pressure filter - Google Patents

Feeding structure of dynamic filter pressure filter Download PDF

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Publication number
CN104275007A
CN104275007A CN201410448509.2A CN201410448509A CN104275007A CN 104275007 A CN104275007 A CN 104275007A CN 201410448509 A CN201410448509 A CN 201410448509A CN 104275007 A CN104275007 A CN 104275007A
Authority
CN
China
Prior art keywords
filter
plate body
feeding
pocket
filter plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410448509.2A
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Chinese (zh)
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.)
ZHEJIANG GOLDENBIRD FILTER PRESS CO Ltd
Original Assignee
ZHEJIANG GOLDENBIRD FILTER PRESS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHEJIANG GOLDENBIRD FILTER PRESS CO Ltd filed Critical ZHEJIANG GOLDENBIRD FILTER PRESS CO Ltd
Priority to CN201410448509.2A priority Critical patent/CN104275007A/en
Publication of CN104275007A publication Critical patent/CN104275007A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a feeding structure of a dynamic filter pressure filter. The feeding structure comprises a filter plate body, wherein a frame is arranged on the periphery of the front surface of the filter plate body, a filter groove is formed by encircling the frame in the middle part of the front surface of the filter plate body, a feeding opening is formed on a side corner of one side of the filter plate body, a feeding passage which is communicated with the feeding opening and the filter groove is arranged on the front surface of the filter plate body, and the feeding passage comprises a linear portion which is parallel to the longitudinal axis of the filter groove and an arc portion which extends to the upper side of the longitudinal axis of the filter groove and is in an arc shape. In the feeding dynamic filter process, the suspended filter liquid forms spiral vortex after entering the filter groove through the feeding passage, the filter liquid entering a filter chamber is continuously stirred by the spiral vortex, on one hand, a piece of filter cloth is scoured, a great amount of filter slag is prevented from being deposited on a filter medium, on the other hand, the filter liquid is enabled to scour from the center to the periphery so as to limit the thickening of a filter cake, and the filtering is simultaneously carried out, so that the defects that the filter cake is high in water content, the filter cake is difficult to unload and the filter cloth is large in loss are overcome.

Description

A kind of dynamic filtration filter press feed structure
Technical field
The present invention relates to filter press, particularly relate to filter plate.
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 feed structure, 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 feed structure, comprise filter plate body, 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, corner, side is provided with charging aperture, described filter plate body front is provided with the feeding-passage that is communicated with charging aperture and filter pocket, and 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 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, described feeding-passage is arranged along the edge of filter pocket, and the end of described feeding-passage extends through filter pocket longitudinal central axis line.
Preferably, the longitudinal cross-section of described filter pocket be upper base upper go to the bottom under ladder structure of right angle.
In the present invention, 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, last 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 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.

Claims (4)

1. a dynamic filtration filter press feed structure, comprise filter plate body, 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, corner, side is provided with charging aperture (13), it is characterized in that: described filter plate body front is provided with the feeding-passage (14) that is communicated with charging aperture and filter pocket, 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.
2. a kind of dynamic filtration filter press feed structure according to claim 1, 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.
3. a kind of dynamic filtration filter press feed structure according to claim 2, is characterized in that: described feeding-passage is arranged along the edge of filter pocket, the end of described feeding-passage extends through filter pocket longitudinal central axis line.
4. a kind of dynamic filtration filter press feed structure according to claims 1 to 3 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.
CN201410448509.2A 2014-09-04 2014-09-04 Feeding structure of dynamic filter pressure filter Pending CN104275007A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410448509.2A CN104275007A (en) 2014-09-04 2014-09-04 Feeding structure of dynamic filter pressure filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410448509.2A CN104275007A (en) 2014-09-04 2014-09-04 Feeding structure of dynamic filter pressure filter

Publications (1)

Publication Number Publication Date
CN104275007A true CN104275007A (en) 2015-01-14

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CN201410448509.2A Pending CN104275007A (en) 2014-09-04 2014-09-04 Feeding structure of dynamic filter pressure filter

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113509762A (en) * 2020-12-18 2021-10-19 第一环保(深圳)股份有限公司 Slag removing mechanism for feeding filter cloth in filter press

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5738712A (en) * 1995-03-13 1998-04-14 Foster Wheeler Energia Oy Centrifugal separator assembly and method for separating particles from hot gas
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
CN102553440A (en) * 2010-12-24 2012-07-11 成功大学 Liquid filtering device and filtering method thereof
CN203483968U (en) * 2013-09-29 2014-03-19 上海莱多实业有限公司 Composite cyclone filter
CN204034352U (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 feed structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5738712A (en) * 1995-03-13 1998-04-14 Foster Wheeler Energia Oy Centrifugal separator assembly and method for separating particles from hot gas
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
CN102553440A (en) * 2010-12-24 2012-07-11 成功大学 Liquid filtering device and filtering method thereof
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
CN203483968U (en) * 2013-09-29 2014-03-19 上海莱多实业有限公司 Composite cyclone filter
CN204034352U (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 feed structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113509762A (en) * 2020-12-18 2021-10-19 第一环保(深圳)股份有限公司 Slag removing mechanism for feeding filter cloth in filter press
CN113509762B (en) * 2020-12-18 2022-06-24 第一环保(深圳)股份有限公司 Slag removing mechanism for feeding filter cloth in filter press

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Application publication date: 20150114