CN109011748B - Efficient diaphragm filter plate filter press - Google Patents
Efficient diaphragm filter plate filter press Download PDFInfo
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- CN109011748B CN109011748B CN201811040385.9A CN201811040385A CN109011748B CN 109011748 B CN109011748 B CN 109011748B CN 201811040385 A CN201811040385 A CN 201811040385A CN 109011748 B CN109011748 B CN 109011748B
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- pressurizing
- filter
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- feeding pipe
- feed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/164—Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/30—Feeding devices ; Discharge devices
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- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
An efficient membrane filter plate filter press comprises a support, wherein an upper end feeding pipe and a lower end feeding pipe are arranged on the support in a sliding mode, a row of electromagnetic valves are communicated with the upper end feeding pipe, a feeding hole and a pressurizing feeding hole are respectively connected to adjacent electromagnetic valves, a row of electromagnetic valves are communicated with the lower end feeding pipe, the electromagnetic valves on the lower end feeding hole are connected with the feeding hole, and the upper end feeding pipe and the lower end feeding pipe are respectively connected with a driving device; the support is provided with a sliding rod, a pressurizing piece and a filtering piece are connected to the sliding rod in a staggered sliding manner, the pressurizing piece at one end of the sliding rod is fixed on the sliding rod, and the pressurizing piece at the other end of the sliding rod is connected with an air cylinder; the first connecting piece on the filtering piece is connected with the second connecting piece on the pressurizing piece through a scissor connecting rod. The invention has the advantages of thorough solid-liquid separation, easy filter cloth stripping after filter cake drying, large one-time treatment capacity, no need of feeding once, one-time filter cake removal, saving a large amount of treatment time and improving the production benefit of enterprises.
Description
Technical Field
The invention belongs to the technical field of solid-liquid separation equipment, and particularly relates to a high-efficiency membrane filter plate filter press.
Background
The filter press is a solid-liquid separation device commonly used in industrial production, when in use, solid-liquid suspension is added into filter cloth, then the filter cloth is extruded to dialyze liquid in solid-liquid suspended substances, and filter cakes formed by solid residues are left in the filter cloth, so that high-efficiency solid-liquid separation is realized, and then the filter cakes or filtrate can be continuously treated according to needs.
When the filter press in the prior art is used, when excessive materials are added, the filtered filter cake is very thick, the materials at the central position cannot be sufficiently extruded, the water content in the generated filter cake is larger, the extrusion time is prolonged, when the materials are added too little, the working efficiency is greatly reduced, the filter cake generated by extrusion is thinner, and the filter cake is not easy to separate from the filter cloth, therefore, in the actual production, people adopt a diaphragm filter press mode, the filter press is a filter press with a layer of elastic membrane additionally arranged between a filter plate and the filter cloth, after the feeding is finished, high-pressure fluid or gas medium is filled into a diaphragm plate, the filter cake is forced to be further dehydrated through the elastic mould pressing, on one hand, the production method has small one-time treatment capacity and reduces the working efficiency, and simultaneously, the filter cake still needs to be scraped after one-time separation, so that the filter cake is prevented from being adhered to the filter cloth to cause influence on the next-time separation speed, in order to solve the problem, the invention provides the following technical scheme.
Disclosure of Invention
The invention aims to provide a high-efficiency membrane filter plate filter press.
The purpose of the invention can be realized by the following technical scheme:
an efficient membrane filter plate filter press comprises a support, wherein an upper end feeding pipe and a lower end feeding pipe are arranged on the support in a sliding mode, a row of electromagnetic valves are communicated with the upper end feeding pipe, a feeding hole and a pressurizing feeding hole are respectively connected to adjacent electromagnetic valves, a row of electromagnetic valves are communicated with the lower end feeding pipe, the electromagnetic valves on the lower end feeding hole are connected with the feeding hole, the feeding hole is connected with a material through a material conveying pipeline, the pressurizing feeding hole is connected with pressurizing liquid or gas through the material conveying pipeline, and the upper end feeding pipe and the lower end feeding pipe are respectively;
the support is provided with a sliding rod, a pressurizing piece and a filtering piece are connected to the sliding rod in a staggered sliding manner, the pressurizing pieces are positioned at two ends of the sliding rod, the pressurizing piece at one end of the sliding rod is fixed on the sliding rod, and the pressurizing piece at the other end of the sliding rod is connected with an air cylinder;
the filter element comprises filter cloth, both ends of the filter cloth are connected with feed ports, each feed port comprises a fixing element, a one-way valve and a feed butt joint, each feed butt joint is connected with the one-way valve, one end of each feed butt joint penetrates through the fixing element and then enters the filter cloth, and the bottom of the filter element is connected with a first connecting element;
the pressurizing part comprises an extrusion plate, the bottom of the extrusion plate is fixedly connected with a second connecting piece, two surfaces of the extrusion plate are provided with elastic dies, a pressurizing chamber is formed between the elastic dies and the extrusion plate, and the pressurizing chamber is connected with a pressurizing material inlet;
the first connecting piece on the filtering piece is connected with the second connecting piece on the pressurizing piece through a scissor connecting rod.
As a further scheme of the invention, the material conveying pipeline is paved in the upper end feeding pipe and the lower end feeding port.
As a further scheme of the invention, the electromagnetic valves at two ends of the feeding pipe at the upper end are connected with the pressurizing feeding port.
As a further aspect of the present invention, the two inlet ports on the filter element are not arranged opposite to each other.
As a further aspect of the invention, the part of the feed butt joint that enters the filter cloth is curved.
As a further scheme of the invention, the working method of the filter press comprises the following steps:
a. contracting the cylinder, descending the upper end feeding pipe after the position of the filtering piece corresponds to the position of the feeding hole, lifting the lower end feeding pipe, filling the solid-liquid mixture into the filtering piece through the feeding hole, and increasing the feeding pressure to separate a part of the solid-liquid mixture when the solid-liquid mixture is filled in the filtering piece;
b. lifting the upper end feeding pipe, descending the lower end feeding pipe, extending the air cylinder, clamping the filter piece through two adjacent pressurizing pieces, and extruding a part of moisture in the filter piece;
c. repeating the step a and the step b for multiple times to ensure that more solid matters are accumulated in the filter cloth;
d. after the filtering piece is clamped by the adjacent pressurizing pieces for filtering again, the feeding pipe at the upper end is lowered, the pressurizing feeding hole is butted with the pressurizing material inlet of the pressurizing piece, high-pressure liquid or gas is injected into the pressurizing chamber through the pressurizing feeding hole, and the elastic die is expanded to press the filtering cloth to be further separated.
The invention has the advantages that the solid-liquid separation is thorough, the filter cake is dried and the filter cloth is easy to strip, simultaneously, the treatment capacity is large at one time, the feeding is not needed once, the filter cake is removed once, the treatment time is greatly saved, the production benefit of enterprises is improved, and when the filter cloth is pressurized and fed through the feeding hole, the surface of the filter cloth is not contacted with the pressurizing piece, the effective filtering area is large, so the invention has higher separation speed in the earlier stage compared with the traditional diaphragm filter pressing.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a filter element;
FIG. 3 is a schematic view of the pressing member;
figure 4 is a front view of the filter element;
fig. 5 is a schematic view showing a connection structure of the filter member and the pressurizing member.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A high-efficiency membrane filter plate filter press is shown in figure 1, and comprises a bracket 1, an upper end feed pipe 2 and a lower end feed pipe 3 which are arranged on the bracket 1 in a sliding way, a row of electromagnetic valves 22 are communicated on the upper end feeding pipe 2, a feeding hole 24 and a pressurizing feeding hole 21 are respectively connected on the adjacent electromagnetic valves 22, the pressurizing feeding hole 21 is connected on the electromagnetic valves 22 at the two ends, a row of electromagnetic valves 22 are communicated on the lower end feeding pipe 3, the electromagnetic valve 22 on the lower end feeding hole 3 is connected with a feeding hole 24, the feeding hole 24 is connected with materials through a conveying pipeline, a pressurizing feeding hole 21 is connected with liquid or gas for pressurizing through the conveying pipeline, corresponding material conveying pipelines are respectively laid in the upper end feeding pipe 2 and the lower end feeding hole 3, the upper end feeding pipe 2 and the lower end feeding pipe 3 are respectively connected with a driving device, and the driving device is used for driving the upper end feeding pipe 2 and the lower end feeding pipe 3 to move in the vertical direction.
The support 1 is further provided with a sliding rod 12, the sliding rod 12 is connected with a pressurizing piece 4 and a filtering piece 5 in a staggered sliding mode, the pressurizing piece 4 is located at two ends of the sliding rod 12, the pressurizing piece 4 at one end of the sliding rod 12 is fixed on the sliding rod 12, and the pressurizing piece 4 at the other end of the sliding rod 12 is connected with an air cylinder 11.
As shown in fig. 2 and 4, the filter member 5 includes a filter cloth 51, two ends of the filter cloth 51 are connected with feed ports, the two feed ports are not arranged opposite to each other, the feed ports include a fixing member 52, a one-way valve 53 and a feed butt joint 54, the feed butt joint 54 is connected with the one-way valve 53, one end of the feed butt joint 54 enters the filter cloth 51 after passing through the fixing member 52, and a portion of the feed butt joint 54 entering the filter cloth 51 is bent, so that when a certain amount of liquid material exists in the filter cloth 5 during feeding, the high-speed material entering from the feed butt joint 54 impacts the material in the filter cloth at a certain angle to make the material rotate rapidly in the filter cloth 51, thereby preventing solid matter from being attached to the inner surface of the filter cloth 51 early in the filtering process, which results in the problem that the filtering speed is slower and slower as the filtering proceeds, and simultaneously, by arranging feed ports at the upper and lower portions, two crisscross feeding or the while feeding of feeding port can prevent effectively that the filtration later stage, solid matter gathering are in the bottom of filter cloth, filter the bottom of piece 5 and be connected with first connecting piece 56.
As shown in fig. 3, the pressing member 4 includes an extrusion plate 44, a second connecting member 45 is fixedly connected to the bottom of the extrusion plate 44, elastic dies 43 are mounted on both sides of the extrusion plate 44, a pressure chamber 42 is formed between the elastic dies 43 and the extrusion plate 44, the pressure chamber 42 is connected to the pressure material inlet 41, when in operation, a part of water in the filter member 5 is squeezed and discharged by the mutual squeezing caused by the reduction of the distance between the pressing member 4 and the filter member 5, and the filter cloth 51 is squeezed by the elastic dies 43 by filling high-pressure liquid or high-pressure gas into the pressure chamber 42, so as to further perform solid-liquid separation, thereby drying the filter cake.
As shown in fig. 5, the first connecting member 56 of the filtering member 5 is connected to the second connecting member 45 of the pressurizing member 4 by the scissor link 6, so that each filtering member 5 corresponds to the position of the feed port 24 when the cylinder 11 is contracted, the distance between the filtering member 5 and the pressurizing member 4 is reduced when the cylinder 11 is expanded, and each compressing member 4 corresponds to the position of the pressurizing feed port 21.
The working method of the high-efficiency membrane filter plate filter press is as follows:
a. contracting the cylinder 11, descending the upper end feed pipe 2 after the filter element 5 corresponds to the feed inlet 24, lifting the lower end feed pipe 3, filling the solid-liquid mixture into the filter element 5 through the feed inlet 24, and increasing the feed pressure when the filter element 5 is filled with the solid-liquid mixture, so that the solid-liquid mixture is partially separated in the process, and because the solid-liquid mixture in the filter cloth 51 does not obviously flow when the filter element 5 is filled with the solid-liquid mixture, the solid is easy to deposit and adhere to the inner surface of the filter cloth 51, the next step can be carried out;
b. lifting the upper end feed pipe 2, descending the lower end feed pipe 3, extending the air cylinder 11, clamping the filter element 5 through two adjacent pressurizing pieces 4, extruding a part of moisture of the filter element 5 and then entering the next step;
c. repeating the steps a and b for a plurality of times to ensure that more solid matters are accumulated in the filter cloth 51;
d. after the filtering member 5 is sandwiched by the adjacent pressurizing members 4 again for filtration, the upper end feed pipe 2 is lowered to butt the pressurizing feed port 21 with the pressurizing material inlet 41 of the pressurizing member 4, and high-pressure liquid or gas is injected into the pressurizing chamber 42 through the pressurizing feed port 21, and the elastic die 43 is bulged to press the filter cloth 51 for further separation.
The invention has the advantages of thorough solid-liquid separation, easy stripping of filter cloth after filter cake drying, large treatment capacity at one time, no need of feeding once, one filter cake removal, saving of a large amount of treatment time, and improvement of enterprise production benefits, and when the filter cloth 51 is pressurized and fed through the feed inlet 24, the surface of the filter cloth 51 is not contacted with the pressurizing piece 4, and the effective filtration area is large, so that the invention has higher separation speed in the earlier stage compared with the traditional diaphragm filter pressing.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (3)
1. The efficient membrane filter plate filter press is characterized by comprising a support (1) and an upper end feeding pipe (2) and a lower end feeding pipe (3) which are arranged on the support (1) in a sliding mode, wherein a row of electromagnetic valves (22) are communicated on the upper end feeding pipe (2), a feeding hole (24) and a pressurizing feeding hole (21) are respectively connected on the adjacent electromagnetic valves (22), a row of electromagnetic valves (22) are communicated on the lower end feeding pipe (3), the electromagnetic valves (22) on the lower end feeding hole (3) are connected with the feeding hole (24), the feeding hole (24) is connected with a material through a material conveying pipeline, the pressurizing feeding hole (21) is connected with pressurizing liquid or gas through the material conveying pipeline, and the upper end feeding pipe (2) and the lower end feeding pipe (;
the filter is characterized in that a sliding rod (12) is installed on the support (1), the sliding rod (12) is connected with a pressurizing piece (4) and a filter piece (5) in a staggered sliding mode, the pressurizing piece (4) is positioned at two ends of the sliding rod (12), the pressurizing piece (4) at one end of the sliding rod (12) is fixed on the sliding rod (12), and the pressurizing piece (4) at the other end of the sliding rod (12) is connected with an air cylinder (11);
the filter member (5) comprises filter cloth (51), both ends of the filter cloth (51) are connected with feed ports, each feed port comprises a fixing member (52), a one-way valve (53) and a feed butt joint port (54), the feed butt joint port (54) is connected with the one-way valve (53), one end of the feed butt joint port (54) penetrates through the fixing member (52) and then enters the filter cloth (51), and the bottom of the filter member (5) is connected with a first connecting member (56);
the two feeding ports on the filter element (5) are arranged in a non-opposite way;
the pressurizing part (4) comprises an extrusion plate (44), the bottom of the extrusion plate (44) is fixedly connected with a second connecting piece (45), two surfaces of the extrusion plate (44) are provided with elastic dies (43), a pressurizing chamber (42) is formed between the elastic dies (43) and the extrusion plate (44), and the pressurizing chamber (42) is connected with a pressurizing material inlet (41);
the first connecting piece (56) on the filtering piece (5) is connected with the second connecting piece (45) on the pressurizing piece (4) through a scissor connecting rod (6);
the part of the feeding butt joint (54) entering the filter cloth (51) is arranged in a bending way;
the working method of the filter press comprises the following steps:
a. the cylinder (11) is contracted, the upper end feeding pipe (2) is descended after the filter element (5) corresponds to the feed inlet (24), the lower end feeding pipe (3) is lifted, the solid-liquid mixture is filled into the filter element (5) through the feed inlet (24), when the solid-liquid mixture is filled in the filter element (5), the feed pressure is increased, and a part of the solid-liquid mixture is separated;
b. lifting the upper end feeding pipe (2), descending the lower end feeding pipe (3), extending the air cylinder (11), clamping the filter element (5) through two adjacent pressurizing pieces (4), and extruding a part of moisture in the filter element (5);
c. repeating the step a and the step b for a plurality of times to ensure that more solid matters are accumulated in the filter cloth (51);
d. after the filtering element (5) is clamped by the adjacent pressurizing elements (4) again for filtering, the feeding pipe (2) at the upper end is descended, the pressurizing feeding hole (21) is butted with the pressurizing material inlet (41) of the pressurizing element (4), high-pressure liquid or gas is injected into the pressurizing chamber (42) through the pressurizing feeding hole (21), and the elastic die (43) is expanded to press the filtering cloth (51) for further separation.
2. A high efficiency membrane filter press according to claim 1, wherein the feed conduit is laid in the upper feed pipe (2) and the lower feed port (3).
3. A high efficiency membrane filter press according to claim 1, wherein the solenoid valves (22) at the two ends of the upper end feed pipe (2) are connected to the pressurized feed port (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811040385.9A CN109011748B (en) | 2018-09-07 | 2018-09-07 | Efficient diaphragm filter plate filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811040385.9A CN109011748B (en) | 2018-09-07 | 2018-09-07 | Efficient diaphragm filter plate filter press |
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| Publication Number | Publication Date |
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| CN109011748A CN109011748A (en) | 2018-12-18 |
| CN109011748B true CN109011748B (en) | 2021-04-27 |
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| CN201811040385.9A Active CN109011748B (en) | 2018-09-07 | 2018-09-07 | Efficient diaphragm filter plate filter press |
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| CN111777231A (en) * | 2020-08-05 | 2020-10-16 | 吴斌 | Industrial sewage treatment equipment |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE7910058L (en) * | 1979-12-06 | 1981-06-07 | Nordiska Vattenprojekt Ab Nova | DEVICE FOR CAMERA FILTER PRESSURE |
| JPS56113306A (en) * | 1980-02-14 | 1981-09-07 | Kurita Mach Mfg Co Ltd | Cake peeler for filter press |
| FR2718053B1 (en) * | 1994-04-01 | 1996-05-31 | Interbrew Sa | Elastic membrane filter press, filtration process using such a filter. |
| CN2631608Y (en) * | 2003-07-03 | 2004-08-11 | 秦强华 | Multiend feeding unit of pressure filter |
| KR200431214Y1 (en) * | 2006-08-25 | 2006-11-23 | 섬진이에스티 주식회사 | Filter press |
| CN201120189Y (en) * | 2007-11-08 | 2008-09-24 | 杭州兴源过滤机有限公司 | Integral diagonal position feeding flat septum filter board |
| CN201415076Y (en) * | 2009-05-11 | 2010-03-03 | 华章电气（桐乡）有限公司 | Filter press plate with inclined feeding pipe |
| CN102527112B (en) * | 2011-12-28 | 2015-05-06 | 杭州兴源过滤科技股份有限公司 | FIFO (Fast-In Fast-Out) efficient filter-cloth filter-plate pressure filter and high-speed feeding method |
| CN102814063A (en) * | 2012-08-14 | 2012-12-12 | 佛山市金凯地过滤设备有限公司 | Pressure filter and pressure filtration method thereof |
| CN103113011A (en) * | 2013-01-16 | 2013-05-22 | 俞一鸣 | Desiccation device and method of sludge through high dehydration |
| CN204601728U (en) * | 2014-12-24 | 2015-09-02 | 重庆蓝洁广顺净水材料有限公司 | Efficient filter press |
| CN207445701U (en) * | 2017-10-24 | 2018-06-05 | 沧州市宝来金康生物科技股份有限公司 | A kind of diaphragm filter press |
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Effective date of registration: 20210401 Address after: 311200 Nanyang Economic Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant after: ZHEJIANG SHENGDA CHARTER WIN CHEMICALS Co.,Ltd. Address before: 230000 phase II of Jinxing commercial city, No.339, Shizhu Road, Hefei Economic and Technological Development Zone, Anhui Province, 2013 Applicant before: ANHUI JINHECAI CONSTRUCTION ENGINEERING Co.,Ltd. |
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