CN112138439A - Plate core embedded type stainless steel combined filter plate and corresponding box type filter mechanism - Google Patents
Plate core embedded type stainless steel combined filter plate and corresponding box type filter mechanism Download PDFInfo
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- CN112138439A CN112138439A CN202011162326.6A CN202011162326A CN112138439A CN 112138439 A CN112138439 A CN 112138439A CN 202011162326 A CN202011162326 A CN 202011162326A CN 112138439 A CN112138439 A CN 112138439A
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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
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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
- B01D25/21—Plate and frame presses
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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
- B01D25/21—Plate and frame presses
- B01D25/215—Construction of the filter plates, frames
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- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a plate core embedded stainless steel combined filter plate and a corresponding box type filter mechanism; the combined filter plate comprises a square plate frame, a detachable filter disc and a filter disc bracket, wherein the two sides of the filter plate are symmetrical and made of stainless steel materials; the key points of the innovative scheme are as follows: the filter plate is improved into a cavity overhead structure and a plate core replaceable structure; the filter disc bracket is embedded in the cavity of the square plate frame, and the detachable filter disc is arranged on the filter disc bracket, namely, the filter disc is erected by the bracket to form a cavity overhead layer, so that the flow guide net groove is not blocked any more; when the filter disc is corroded, the filter disc can be disassembled and replaced, and the whole filter plate is prevented from being scrapped; has the advantages of high temperature resistance, high pressure resistance, cavity overhead dredging, quick liquid outlet and replaceable plate core. The box-type filter mechanism uses the combined filter plate, and solves the technical problems that a flow guide net groove of a stainless steel filter plate is easy to block, a plate core cannot be partially replaced, and remanufacturing cannot be carried out; the cavity is overhead, so that the filtering efficiency and effect are improved, the plate core can be replaced, valuable resources are saved, and the use cost is reduced; is the development direction of remanufacturing of the stainless steel filter press.
Description
Technical Field
The invention belongs to the technical field of chamber type filter presses (patent classification number B01D 25/12), and relates to a metal chamber type filter plate.
Background
The filter press is a pressurized filtering device with multiple filtering chambers operated intermittently; the chamber filter press is a filter press using a chamber filter plate (a chamber single composite filter plate which is formed by manufacturing a filter plate and a filter frame into a whole and has symmetrical concave sides); the device mainly comprises a double-beam frame, a hydraulic pressing mechanism, a box type filtering mechanism, a plate pulling and cake discharging mechanism, a cloth washing mechanism, a liquid receiving and plate turning mechanism and a PLC program control system; is suitable for solid-liquid separation of various suspensions.
The van-type filter mechanism is a core mechanism of a van-type filter press and mainly comprises an anti-corrosion filter plate at the head and the tail, a van-type filter plate, filter cloth, a filter plate supporting handle, sealing rings at the inlet and outlet hole ends of each fluid, an external pipeline for the inlet and the outlet of each fluid and other parts; the double-filter-plate supporting handle supports the filter plates on the guide rails of the double beams of the frame, the filter plates are pressed tightly by the hydraulic oil cylinder, and the concave parts of the adjacent filter plates clamping the filter cloth form a filter chamber.
The box-type filter plate is an important element of the box-type filter mechanism, and has a symmetrical double-sided structure; the filter plate is made of polypropylene or stainless steel; the polypropylene filter plate has the advantages of corrosion resistance, good chemical property, convenient compression molding, easier manufacture, lower cost and wide application; the stainless steel filter plate has high temperature resistance, high pressure resistance and good mechanical property, needs cast welding forming, is difficult to manufacture and has higher cost, and the annular filtering and flow guiding net grooves have better effect than densely distributed filtering and flow guiding net points of the plastic filter plate and are used for special working conditions needing high temperature resistance and high pressure resistance.
The existing stainless steel box type filter plate has the following defects: 1. because the concave part (cavity) of the metal filter plate is difficult to process, the annular filtering flow guide screen groove on the plate core is easy to accumulate microparticles passing through the filter cloth, so that the flow guide screen groove is blocked, and the filtering efficiency and effect are influenced; 2. because the corrosion resistance of the stainless steel filter plate is lower than that of a plastic filter plate, in an environment with stronger corrosion, the plate core filtering flow guide screen groove is easy to damage, so that the expensive integrated stainless steel filter plate is scrapped integrally, valuable resources are wasted, and the use cost of a user is higher; the stainless steel filter plate is a technical problem that people always desire to solve the problem that the stainless steel filter plate is easy to block and easy to rot but cannot succeed all the time.
Disclosure of Invention
The invention aims to overcome the defects of the existing stainless steel van-type filter plate, solve the technical problems that a flow guide net groove of the filter plate is easy to block, a plate core cannot be partially replaced and cannot be remanufactured, and provide a plate core embedded type stainless steel combined filter plate and a corresponding van-type filter mechanism; the plate core embedded type refers to that the plate core of the filter plate and the filter frame are manufactured separately, the plate core is embedded on the filter frame and can be separated and combined, and the plate core is overhead and replaceable.
The invention solves the problems of the prior art and adopts the innovative technical scheme that: a plate core embedded stainless steel combined filter plate (hereinafter referred to as combined filter plate); the main points of the overall technical scheme are as follows: compared with the prior art, the innovative overall structure has the prominent substantive characteristics that the existing stainless steel plate frame integrated welding composite box type filter plate (non-detachable filter plate) is improved into a plate frame split and plate core embedded type combined filter plate (detachable filter plate), which comprises a square plate frame, a detachable filter disc and a filter disc bracket; the filter disc support is embedded in a cavity (cavity part) of the square plate frame, and the detachable filter disc is installed on the filter disc support, namely, the filter disc is erected by the support to form a cavity overhead layer, so that the flow guide screen groove is not blocked any more, filtrate is unblocked under the filter disc (filter chamber overhead layer), and the filtering efficiency and effect are not influenced by blocking; when the filter disc is corroded and damaged, the filter disc can be detached and replaced, so that the whole filter plate is prevented from being scrapped, the remanufacturing of precious elements is realized, precious resources are saved, and the use cost is reduced; therefore, the technical problems that the flow guide net groove of the filter plate is easy to block, the plate core cannot be partially replaced and the remanufacturing cannot be achieved are solved.
The combined filter plate has a symmetrical double-sided structure and is made of stainless steel materials; the specific design scheme is detailed as follows:
the shape and the construction characteristics of the main parts are as follows; the square plate frame is a filter plate main body with an outer square and an inner circle (an outer frame square plate core circle), and mainly comprises a frame sealing surface, a plate core concave part (a cavity), a support embedding groove (a plate core outer ring groove), a feeding hole (a left upper corner hole), a feeding diversion groove, a multifunctional hole (a right upper corner hole), a multifunctional diversion hole (a water or gas diversion hole), a blind flow outlet hole (a left lower corner hole and a right lower corner hole), a liquid outlet converging hole, a fluid orifice sealing groove and a handle mounting hole, wherein the support embedding groove corresponds to the support embedding part structure, and the double-handle mounting hole is arranged at the middle upper part (above the gravity center of the filter plate) at two sides of the plate frame; the detachable filter disc, namely the replaceable plate core (detachable round cavity filter screen), mainly comprises a round plate disc, an annular flow guide net groove and a mounting hole, wherein the outer diameter of the round plate disc corresponds to the diameter of the concave part of the plate core, and the annular flow guide net groove is densely distributed in a divergence shape; the filter disc support is of a structure shaped like a Chinese character 'mi', the periphery of the filter disc support is slightly smaller than the filter disc, and the filter disc support corresponds to the support embedding groove.
The connection relation of the related parts is as follows: the filter disc bracket is embedded in the bracket embedding groove of the square plate frame, and the detachable filter disc is arranged on the filter disc bracket to form a cavity overhead layer; the hole end sealing ring is arranged in the hole opening sealing groove, the filter plate supporting handles are symmetrically arranged in handle mounting holes at two sides of the filter plate, the filter plate is supported on guide rails of two beams of the frame by the double filter plate supporting handles, the filter plate is pressed tightly by a hydraulic oil cylinder, and concave parts of adjacent filter plates clamping filter cloth form a filter chamber; three fluid holes (a feeding hole, a double-blind-flow liquid outlet hole and a multifunctional hole) of each filter plate are respectively communicated to form three closed type main channels (a feeding main channel, a double-liquid outlet main channel and a multifunctional main channel), and three fluid shunting holes (a feeding shunting groove, a liquid outlet converging hole and a multifunctional shunting hole) are respectively communicated with the three main channels and the filter chamber; the combined box type filter plate has the characteristics of cavity overhead dredging and plate core replacement.
The basic process of filtration is as follows: the solid-liquid mixed material is input into each filter chamber through the feed hole by the feed pump, so that pressure difference is formed between two sides of the filter cloth, low-pressure static filtration is carried out, particles in the material are intercepted by the filter cloth to form filter cakes in the filter chambers, filtrate passes through the filter cloth and the filter disc, flows out of the liquid outlet hole through the cavity overhead layer smoothly and unimpededly, the filter plate is pulled open, and gravity cake discharge is realized.
The invention also provides a box-type filtering mechanism, which uses the plate core embedded stainless steel combined filter plate provided by the invention and mainly comprises an anti-corrosion filter plate from head to tail, a combined filter plate (the invention), filter cloth, a filter plate supporting handle, sealing rings at the inlet and outlet hole ends of each fluid, an external pipeline for the inlet and outlet of each fluid and other parts; has the characteristics of faster liquid outlet and replaceable plate core.
The plate core embedded stainless steel combined filter plate and the corresponding box type filter mechanism have the advantages of high temperature resistance, high pressure resistance, cavity overhead dredging, liquid outlet rapider and replaceable plate core; the filter has the advantages that the cavity chamber overhead layer is arranged, so that the flow guide net groove is not blocked, and the filtering efficiency and effect are not influenced by blockage; the replaceable plate core is arranged, so that the whole filter plate is prevented from being scrapped due to corrosion and damage of the plate core, the remanufacturing (maintenance and reutilization) of key precious elements is realized, precious resources are saved, and the use cost is reduced; the technical problem that the stainless steel filter plate is easy to block and easy to rot but cannot be successfully achieved all the time is solved; fills the blank of the plate core embedded stainless steel combined filter plate in China, and is the development direction of remanufacturing of stainless steel filter presses.
Drawings
Fig. 1 is a front view of a stainless steel combined filter plate with an embedded core according to the present invention.
FIG. 2 is a left sectional view (symmetrical structure) of a half-edge core-embedded stainless steel composite filter plate according to the present invention.
Fig. 3 is a schematic view of a detachable filter disc (replaceable plate core) of the plate core embedded stainless steel combined filter plate of the invention.
Fig. 4 is a rear view of the assembly of the removable filter disc and the filter disc bracket of the plate core embedded stainless steel combined filter plate of the invention.
Reference numerals: 1-square plate frame, 2-detachable filter disc (replaceable plate core), 3-filter disc bracket (pressure bearing bracket), 4-fixing screw, 5-annular flow guide net groove, 6-liquid outlet and converging hole, and 7-dark liquid outlet.
Detailed Description
The technical solution in the embodiment of the present invention is described below with reference to the attached drawings in the embodiment of the plate-core embedded stainless steel combination filter plate and the corresponding box-type filter mechanism of the present invention, and the described embodiment is only a part of the preferred embodiments of the present invention, but not all embodiments. All other embodiments, such as a combined box filter plate with the same properties and similar structures as the chamber aerial flow-dredging and plate core 2 replaceable characteristics, which are not inventive by the technical personnel in the field of the embodiments of the present invention, belong to the protection scope of the present invention.
Example 1
A plate core embedded stainless steel combined filter plate (hereinafter referred to as combined filter plate) is characterized in that the existing stainless steel plate frame integrated welded composite box type filter plate (non-detachable filter plate) is improved into a plate frame split and plate core embedded combined filter plate (detachable filter plate), which comprises a square plate frame 1, a detachable filter disc 2, a filter disc bracket 3 and a fixing screw 4; the filter disc support 3 is embedded in a cavity (cavity part) of the square plate frame 1, the detachable filter disc 2 is installed on the filter disc support 3, namely the filter disc 2 is erected by the support 3 to form a cavity overhead layer, so that the flow guide screen groove is not blocked any more, filtrate is smooth and unobstructed under the filter disc 2 (the cavity overhead layer), and the filtering efficiency and the filtering effect are not influenced by blockage; when the filter disc 2 is corroded and damaged, the filter disc can be detached and replaced, the whole filter plate is prevented from being scrapped, the remanufacturing of the valuable element is realized, the valuable resources are saved, and the use cost is reduced.
The combined filter plate has a symmetrical double-sided structure and is made of stainless steel materials; specific embodiments are described in detail below:
the square plate frame 1 is a filter plate main body with an outer square and an inner circle (an outer frame square plate core circle), and mainly comprises a frame sealing surface, a plate core concave part (a cavity part), a support embedding groove (a plate core outer ring groove), a feeding hole (a left upper corner hole), a feeding shunt groove, a multifunctional hole (a right upper corner hole), a multifunctional shunt hole (a water or gas shunt hole), a blind flow outlet hole (a left lower corner hole and a right lower corner hole) 7, a liquid outlet converging hole 6, a fluid hole sealing groove and a handle mounting hole, wherein the support embedding groove corresponds to the support embedding part in structure, and the double-handle mounting hole is arranged at the middle upper part (above the center of gravity of the filter plate) at two sides of the plate frame; the square plate frame 1 is integrally cast, formed and machined to obtain a finished product, and the sealing surface of the cast plate frame is not deformed, so that the sealing property of the filter chamber is ensured; the filter disc 2 and the filter disc bracket 3 are used for installing the detachable filter disc and the filter disc bracket, form a filter chamber with the concave part of the adjacent filter plate and enter and exit various fluids.
The detachable filter disc 2, namely the replaceable plate core 2 (detachable round cavity filter screen), mainly comprises a round plate disc, an annular flow guide net groove 5 and a mounting hole, and adopts a round structure to facilitate machining and manufacturing; the outer diameter of the circular plate disc corresponds to the diameter of a concave part of a plate core of the square plate frame 1, and the annular flow guide net grooves 5 are distributed densely in a divergence shape; the detachable filter disc 2 is arranged on the filter disc bracket 3 to form a filter chamber overhead layer, and filtrate is unobstructed under the filter disc 2 (the filter chamber overhead layer); used for supporting the filter cloth, increasing the friction force of a filter cake and guiding the filtrate.
The filter disc bracket 3 is of a structure shaped like a Chinese character 'mi', the periphery of the filter disc bracket is slightly smaller than the filter disc 2, the filter disc bracket corresponds to a bracket embedding groove of the square plate frame 1, and the filter disc bracket is formed by welding; the filter disc bracket 3 is embedded in a bracket embedding groove of the square plate frame 1; for supporting the removable filter disc 2 to form a chamber overhead and to transmit pressure.
The plate core embedded stainless steel combined filter plate provided by the invention has the advantages of high temperature resistance, high pressure resistance, cavity overhead dredging, liquid outlet rapidness and replaceable plate core 2; the technical problems that the flow guide net groove 5 of the filter plate is easy to block, the plate core 2 cannot be partially replaced and cannot be remanufactured are solved; the filter element ensures that the filtering efficiency and the filtering effect are not influenced by blockage, avoids scrapping of the whole filter plate caused by corrosion and damage of the plate core 2, realizes remanufacturing (maintenance and reutilization) of key precious elements, saves precious resources, reduces cost and improves efficiency.
Example 2
A box-type filter mechanism, use the board core mosaic stainless steel combination filter plate that the invention provides, mainly by the head and the tail anticorrosive filter plate, make up the filter plate (the invention), filter cloth, filter plate support handle, every fluid inlet and outlet hole end seal ring, every fluid inlet and outlet and connect spare parts such as the pipeline; has the characteristics of high temperature resistance, high pressure resistance, cavity overhead dredging and plate core changing. The invention shares the technical part with the prior art, according to the current standard of China' Van filter press and plate-and-frame filter press part 1: type and basic parameters section 2: technical Condition section 3: filter plate (JB/T4333-2013).
Assembling and installing the filtering mechanism: for convenience of explanation, a thrust plate and a compression plate closely related to the filtering mechanism are additionally arranged; the hole end sealing ring is arranged in a sealing groove of a fluid hole, an anti-corrosion filter plate with a head end and a tail end is respectively arranged on a machine head thrust plate and a machine tail pressing plate, filter cloth is wrapped on two surfaces of the filter plate and fixed, filter plate supporting handles are symmetrically arranged in handle mounting holes on two sides of the filter plate, the filter plate is supported on guide rails of double beams of a frame by the double filter plate supporting handles, the filter plate is pressed by a hydraulic oil cylinder, and concave parts of adjacent filter plates clamping the filter cloth form a filter chamber; three fluid holes (a feeding hole, a double blind flow liquid outlet hole 7 and a multifunctional hole) of each filter plate are respectively communicated into three closed type main channels (a feeding main channel, a double liquid outlet main channel and a double multifunctional main channel), and three fluid shunting holes (a feeding shunting groove, a liquid outlet converging hole 6 and a multifunctional shunting hole) are respectively communicated with the three main channels and the filter chamber.
The low-pressure static filtering process of the filtering mechanism comprises the following steps: the solid-liquid mixed material is input into each filter chamber through the feed hole by the feed pump, so that pressure difference is formed between two sides of the filter cloth, low-pressure static filtration is carried out, particles in the material are intercepted by the filter cloth to form filter cakes in the filter chambers, filtrate passes through the filter cloth and the filter disc, flows out of the liquid outlet hole 7 through the cavity overhead layer smoothly and unimpededly, the filter plate is pulled open, and gravity cake discharge is realized. The single complete operation cycle working process of the corresponding chamber type filter press is as follows: compacting a filter plate, feeding at low pressure, maintaining pressure, filtering, washing and purifying, back blowing materials, blow-drying and purifying, pulling a plate, discharging cakes and cleaning filter cloth; and one key is automatically finished through PLC control.
The van-type filtering mechanism provided by the invention has the advantages of high temperature resistance, high pressure resistance and capability of being remanufactured; the filter has the advantages that the cavity chamber overhead layer is arranged, so that the flow guide net groove 5 is not blocked, liquid is discharged quickly, and the filtering efficiency and effect are not influenced by blockage; the replaceable plate core 2 is arranged, so that the whole filter plate is prevented from being scrapped due to corrosion and damage of the plate core 2, the remanufacturing (maintenance and reutilization) of key precious elements is realized, precious resources are saved, and the use cost is reduced; the technical problem that the stainless steel filter plate is easy to block and easy to rot but cannot be successfully achieved all the time is solved; is the development direction of remanufacturing of the stainless steel filter press.
Claims (3)
1. A plate core embedded stainless steel combined filter plate comprises a square plate frame, a detachable filter disc and a filter disc bracket, wherein the two sides of the filter plate are symmetrical in structure and made of stainless steel materials; the method is characterized in that: the filter plate is improved into a chamber overhead, a plate core is replaceable, and a plate frame is split and embedded to form a combined filter plate; the square plate frame is a main body of the filter plate with an outer square and an inner circle and mainly comprises a frame sealing surface, a plate core concave part, a support embedding groove, a feeding hole, a feeding diversion groove, a multifunctional hole, a multifunctional diversion hole, a dark flow liquid outlet hole, a liquid outlet converging hole, a fluid orifice sealing groove and a handle mounting hole, wherein the support embedding groove corresponds to the support embedding part structure, and the double-handle mounting hole is arranged at the middle upper part of two sides of the plate frame; the detachable filter disc, namely the replaceable plate core, mainly comprises a circular plate disc, annular flow guide net grooves and mounting holes, wherein the outer diameter of the circular plate disc corresponds to the diameter of a concave part of the plate core, and the annular flow guide net grooves are densely distributed in a divergent shape; the filter disc bracket is of a structure shaped like a Chinese character 'mi', the periphery of the filter disc bracket is slightly smaller than the filter disc, and the filter disc bracket corresponds to the bracket embedding groove; the filter disc bracket is embedded in the bracket embedding groove of the square plate frame, and the detachable filter disc is arranged on the filter disc bracket to form a filter chamber empty layer; has remanufacturing characteristics.
2. The plate core mosaic stainless steel combination filter plate of claim 1, wherein: three fluid holes of the multi-block stainless steel plate frame split embedded combined van-type filter plate, namely a feeding hole, a double-blind-flow liquid outlet hole and a multifunctional hole, are respectively communicated into three closed type general channels, namely a feeding general channel, a double-liquid outlet general channel and a multifunctional general channel; the three fluid shunting holes, namely the feeding shunting groove, the outlet liquid converging hole and the multifunctional shunting hole are respectively communicated with the three main channels and the filter chamber.
3. A box-type filtering mechanism comprises an anti-corrosion filter plate at the head and the tail, a combined filter plate, filter cloth, a filter plate supporting handle, sealing rings at the ends of inlet and outlet holes of each fluid and an external pipeline for inlet and outlet of each fluid; the stainless steel combination filter plate of claim 1, wherein the stainless steel combination filter plate is embedded in the core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162326.6A CN112138439A (en) | 2020-10-27 | 2020-10-27 | Plate core embedded type stainless steel combined filter plate and corresponding box type filter mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011162326.6A CN112138439A (en) | 2020-10-27 | 2020-10-27 | Plate core embedded type stainless steel combined filter plate and corresponding box type filter mechanism |
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| CN112138439A true CN112138439A (en) | 2020-12-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112717498A (en) * | 2021-02-03 | 2021-04-30 | 河南久鼎过滤设备有限公司 | Ultrahigh pressure filter plate |
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2020
- 2020-10-27 CN CN202011162326.6A patent/CN112138439A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112717498A (en) * | 2021-02-03 | 2021-04-30 | 河南久鼎过滤设备有限公司 | Ultrahigh pressure filter plate |
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Address after: 253034 Shandong province Dezhou Jinghua Road Economic Development Zone Jingjin group Applicant after: Jingjin Equipment Co.,Ltd. Address before: 253034 Shandong province Dezhou Jinghua Road Economic Development Zone Jingjin group Applicant before: Jing Jin Environmental Protection Inc. |