CN111249778A - High-efficient diaphragm filter plate - Google Patents
High-efficient diaphragm filter plate Download PDFInfo
- Publication number
- CN111249778A CN111249778A CN202010316512.4A CN202010316512A CN111249778A CN 111249778 A CN111249778 A CN 111249778A CN 202010316512 A CN202010316512 A CN 202010316512A CN 111249778 A CN111249778 A CN 111249778A
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- Prior art keywords
- filter plate
- hole
- filter
- diaphragm
- communicated
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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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- 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
-
- 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
- B01D25/32—Removal of the filter cakes
- B01D25/325—Removal of the filter cakes counter-current flushing, e.g. by air bumps
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a high-efficiency diaphragm filter plate, which comprises a filter plate and a diaphragm membrane, wherein the diaphragm membrane is fixed on the front side and the back side of the filter plate, the size of the diaphragm membrane is matched with that of the filter plate in a matching way, two sides of the filter plate and the diaphragm membrane form a front-side filter chamber and a back-side filter chamber, a front-side film bulging chamber and a back-side film bulging chamber are formed between the filter plate and the diaphragm membrane, a feed hole, a liquid discharge hole, an exhaust hole, a water squeezing hole and an air squeezing hole are formed in the filter plate, and an; the effects of high filtering speed and water content of filter cakes can be achieved.
Description
Technical Field
The invention belongs to the technical field of diaphragm filter plates, and particularly relates to a high-efficiency diaphragm filter plate.
Background
The filter plate is a main filtering element of the filter press, is suitable for filtering various materials, is widely applied to the solid-liquid separation industry, and is used for reducing the water content of a filter cake, diaphragm pressing is carried out on the filter cake after filtering is finished, residual water in the filter cake is discharged after the diaphragm pressing, and filtrate is discharged from liquid outlet holes at four corners of the filter plate, so that the purpose of solid-liquid separation is realized; due to the development of economy, the types of materials filtered by the solid-liquid separation industry are gradually increased, in order to improve the economic benefit and reduce the cost, the currently used filter plate cannot meet the market demand, the filtering speed is low, the production cost is high, the water content of a filter cake is high, and the filter cloth is troublesome to install, so that the economic benefit is influenced; therefore, how to overcome the above technical problems and disadvantages is a problem to be solved.
Disclosure of Invention
The invention aims to overcome the defects described in the background technology, thereby realizing a filter plate with high filtering speed and low water content of filter cakes.
In order to achieve the purpose, the technical scheme of the invention is as follows: a high-efficiency diaphragm filter plate comprises a filter plate and a diaphragm membrane, wherein the diaphragm membrane is fixed on the front side and the back side of the filter plate, the size of the diaphragm membrane is matched with that of the filter plate in a matching way, two sides of the filter plate and the diaphragm membrane form a front filter chamber and a back filter chamber, a front bulging chamber and a back bulging chamber are formed between the filter plate and the diaphragm membrane, a feed hole, a liquid discharge hole, an exhaust hole, a water squeezing hole and a gas squeezing hole are formed in the filter plate, and an upper frame of the filter plate is horizontally arranged;
the feeding hole, the air pressing hole and the exhaust hole are arranged on the upper frame of the filter plate, the feeding hole is arranged in the middle of the upper frame of the filter plate, and the air pressing hole and the exhaust hole are arranged on two sides of the feeding hole;
the liquid discharge hole and the water squeezing hole are arranged on the outer span lugs at the left and right lower corners of the filter plate.
Furthermore, the filter plate comprises a main plate and an auxiliary plate, a groove is arranged on the pressure-bearing surface of the filter frame of the main plate, a convex edge matched with the groove is arranged on the pressure-bearing surface of the filter frame of the auxiliary plate, the main plate is matched with the auxiliary plate in size, and the main plate and the auxiliary plate are combined into a set of filter plate.
Further, be equipped with inlet channel on the mainboard, the feed port passes through inlet channel and reposition of redundant personnel hole intercommunication, the reposition of redundant personnel hole is located the upper portion central point of filter chamber and puts, makes in the even quick filter chamber of packing of material, the filter chamber of reposition of redundant personnel hole intercommunication filter plate both sides, the tip cover of reposition of redundant personnel hole are equipped with the double-layered cloth ware of big or small adaptation, are convenient for install the filter cloth fast.
Furthermore, an exhaust passage and a liquid discharge passage are arranged on the filter plate, an exhaust hole on the right side of the filter plate is communicated with a filter chamber on the front side of the filter plate through the exhaust passage, and an exhaust hole on the left side of the filter plate is communicated with a filter chamber on the back side of the filter plate through the exhaust passage; the liquid discharge hole on the right side of the filter plate is communicated with the filter chamber on the front side of the filter plate through a liquid discharge channel, and the liquid discharge hole on the left side of the filter plate is communicated with the filter chamber on the back side of the filter plate through a liquid discharge channel.
Furthermore, a water squeezing channel and an air squeezing channel are arranged on the auxiliary plate of the filter plate, a water squeezing hole on the left side of the filter plate is communicated with a tympanic cavity on the front side of the filter plate through the water squeezing channel, and a water squeezing hole on the right side of the filter plate is communicated with a tympanic cavity on the back side of the filter plate through the water squeezing channel; the air pressing hole on the left side of the filter plate is communicated with the eardrum cavity on the front side of the filter plate through an air pressing channel, and the air pressing hole on the right side of the filter plate is communicated with the eardrum cavity on the back side of the filter plate through an air pressing channel.
Furthermore, seal grooves are formed in the feeding hole, the air pressing hole, the exhaust hole, the liquid discharge hole and the water pressing hole, and seal rings matched in size are assembled on the seal grooves.
Furthermore, buffer holes are formed in the upper frame of the filter plate among the feeding hole, the air pressing hole and the exhaust hole, and the buffer holes can buffer deformation caused by pressure; the pressure surface of the filter plate is provided with a safety hole which is communicated with the tympanic membrane cavity.
Furthermore, the depth of the filter chamber of the main plate of the filter plate is greater than that of the auxiliary plate, and the thickness of the frame of the main plate is greater than that of the frame of the auxiliary plate.
Furthermore, the right half part of the pressure surface of the filter plate is separately provided with a drainage groove, the drainage groove is communicated with a drainage hole on the right side of the filter plate, and the right side of the filter chamber is provided with a plurality of drainage channels communicated with the drainage groove.
Further, the diaphragm membrane is mainly made of ethylene propylene diene monomer.
The high-efficiency diaphragm filter plate has the beneficial effects that:
1. according to the efficient diaphragm filter plate, the upper frame of the filter plate is horizontally distributed, so that the filter cloth is favorably installed, the filter cloth can be quickly fixed inside the filter chamber through the cloth clamping device, the installation speed of the filter cloth is improved, and the working efficiency of washing and filter pressing can be greatly improved;
2. according to the efficient diaphragm filter plate, a water diaphragm squeezing mode or a gas diaphragm squeezing mode can be freely selected according to actual conditions, the applicable conditions of the filter plate are increased, and meanwhile, the paired diaphragm-bulging holes respectively and correspondingly control the front diaphragm-bulging cavity and the back diaphragm-bulging cavity, so that the damage and air leakage of the diaphragm-bulging cavities can be effectively detected in time, the filter plate can be replaced in time, and great economic loss is avoided;
3. according to the efficient membrane filter plate, the filter plate is opened under the condition that the tympanic membrane process is not finished, and the tympanic membrane is decompressed through the safety hole, so that dangers are avoided;
4. according to the efficient membrane filter plate, the drainage grooves on the pressure surface of the filter plate are matched with the plurality of liquid drainage channels, so that filtrate can be quickly discharged, the aim of uniformly injecting water can be fulfilled in the backwashing process, the washing is more thorough, and the backwashing speed can be accelerated.
Drawings
Fig. 1 is a schematic structural diagram of the main board of the present invention.
Fig. 2 is a schematic structural view of the sub-panel of the present invention.
In the figure: 1. the device comprises a feeding hole 2, an air pressing hole 3, an exhaust hole 4, a shunting hole 5, a buffer hole 6, an air pressing channel 7, an exhaust channel 8, a safety hole 9, a liquid discharge hole 10, an air pressing hole 11, an air pressing channel 12 and a liquid discharge channel.
Detailed Description
The invention will be described in more detail below by means of specific embodiments with reference to the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, the efficient diaphragm filter plate of the embodiment includes a filter plate and a diaphragm membrane, the diaphragm membrane is fixed on the front and back sides of the filter plate, and the size of the diaphragm membrane fits with the filter plate, two side faces of the filter plate and the diaphragm membrane form a front and back two-sided filter chamber, a front and back two-sided film-bulging chamber is formed between the filter plate and the diaphragm membrane, the filter plate is provided with a feed hole 1, a liquid discharge hole 9, an exhaust hole 3, a water squeezing hole 10 and an air pressure squeezing hole 2, and an upper frame of the filter plate is arranged horizontally;
the feeding hole 1, the air squeezing hole 2 and the exhaust hole 3 are arranged on the upper frame of the filter plate, the feeding hole 1 is arranged in the middle of the upper frame of the filter plate, and the air squeezing hole 2 and the exhaust hole 3 are arranged on two sides of the feeding hole 1; the upper frame of the filter plate among the feeding hole, the air pressing hole and the exhaust hole is provided with a buffer hole 5 which can buffer the deformation caused by pressure;
the liquid discharge hole 9 and the water squeezing hole 10 are arranged on the outer span ears at the left and right lower corners of the filter plate.
The filter plate comprises mainboard and subplate, is equipped with the recess on the filter frame pressurized surface of mainboard, is equipped with on the filter frame pressurized surface of subplate with recess looks adaptation bead, mainboard and subplate size adaptation coincide, and a mainboard and a subplate combination become one set of filter plate.
Be equipped with inlet channel on the mainboard, inlet port 1 passes through inlet channel and 4 intercommunications of reposition of redundant personnel hole, reposition of redundant personnel hole 4 is located the upper portion central point of straining chamber and puts, makes the even quick packing of material to the straining chamber in, the straining chamber of reposition of redundant personnel hole intercommunication filter plate both sides, the tip cover of reposition of redundant personnel hole 4 is equipped with the double-layered cloth ware of big or small adaptation, and the filter cloth corresponds the position and installs and press from both sides cloth ware matched with snap ring, is convenient for install the filter cloth fast.
The auxiliary plate is provided with a water squeezing channel 11 and an air squeezing channel 6, a water squeezing hole 10 on the left side of the filter plate is communicated with a tympanic cavity on the front side of the filter plate through the water squeezing channel 11, and a water squeezing hole on the right side of the filter plate is communicated with a tympanic cavity on the back side of the filter plate through the water squeezing channel; the air pressing hole 2 on the left side of the filter plate is communicated with the tympanic membrane cavity on the front side of the filter plate through an air pressing channel 6, the air pressing hole on the right side of the filter plate is communicated with the tympanic membrane cavity on the back side of the filter plate through the air pressing channel, and the tympanic membrane cavity is used for filling water or air to expand the tympanic membrane cavity and press materials in the filter chamber.
The filter plate is provided with an exhaust passage 7 and a liquid discharge passage 12, the exhaust hole 3 on the right side of the filter plate is communicated with the filter chamber on the front side of the filter plate through the exhaust passage 7, and the exhaust hole on the left side of the filter plate is communicated with the filter chamber on the back side of the filter plate through the exhaust passage; the liquid discharge hole 9 on the right side of the filter plate is communicated with the filter chamber on the front side of the filter plate through a liquid discharge channel 12, and the liquid discharge hole on the left side of the filter plate is communicated with the filter chamber on the back side of the filter plate through a liquid discharge channel.
The sealing grooves are formed in the feeding hole 1, the air pressing hole 2, the exhaust hole 3, the liquid discharge hole 9 and the water pressing hole 10, and the sealing rings are matched in size and fit with each other, so that the sealing performance of the filter press during working is guaranteed.
The pressure-receiving surface of the filter plate is provided with the safety hole 8, the safety hole 8 is communicated with the tympanic membrane cavity, pressure relief can be performed on the tympanic membrane cavity, and the situation that the tympanic membrane flow is not finished and the filter plate is opened by mistake to cause danger is avoided.
The filter chamber degree of depth of the mainboard of filter plate is greater than the filter chamber degree of depth of subplate, and the frame thickness of mainboard is greater than the frame thickness of subplate, increases mainboard feeding space, reduces the feeding resistance for the feed rate.
The right half of the pressed surface of the filter plate is separately provided with a drainage groove, the drainage groove is communicated with a drainage hole 9 on the right side of the filter plate, and the right side of the filter chamber is provided with a plurality of drainage channels 12 communicated with the drainage groove.
The diaphragm membrane is mainly made of ethylene propylene diene monomer materials.
When in use, the filter cloth can be directly clamped on the cloth clamping device at the end part of the shunting hole 4 through the clamping ring on the filter cloth, so that the use is convenient and fast; the grooves and the convex edges on the main plate and the auxiliary plate are convenient for the accurate butt joint combination of the filter plates, and the sealing property of the combined filter plates can be improved; during the use, can select to use water or gas to carry out the tympanic membrane according to actual conditions, squeeze the hole through water or squeeze the hole through the atmospheric pressure and fill gas to the tympanic membrane intracavity into to the tympanic membrane intracavity, make the tympanic membrane chamber expand to filter plate both sides simultaneously, squeeze the indoor material of filter pressing, make two tympanic membrane chambers squeeze the material between the filter cloth in the filter chamber simultaneously, the filtrate that squeezes out sees through the filter cloth, flows through the leakage fluid dram through the flowing back passageway, can fully reduce the moisture content of filter cake.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above, and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention.
Claims (10)
1. The utility model provides a high-efficient diaphragm filter plate, includes filter plate and diaphragm, the diaphragm is fixed and is coincide with the filter plate adaptation just, anti both sides and size, the filter plate forms just, anti two-sided filter chamber with the both sides face of diaphragm, forms just, anti two-sided membrane cavity, its characterized in that of bulging between filter plate and the diaphragm: the filter plate is provided with a feeding hole, a liquid discharge hole, an exhaust hole, a water squeezing hole and an air squeezing hole, and the upper frame of the filter plate is horizontally arranged;
the feeding hole, the air pressing hole and the exhaust hole are arranged on the upper frame of the filter plate, the feeding hole is arranged in the middle of the upper frame of the filter plate, and the air pressing hole and the exhaust hole are arranged on two sides of the feeding hole;
the liquid discharge hole and the water squeezing hole are arranged on the outer span lugs at the left and right lower corners of the filter plate.
2. The high-efficiency diaphragm filter plate of claim 1, wherein: the filter plate comprises mainboard and subplate, is equipped with the recess on the filter frame pressurized surface of mainboard, is equipped with on the filter frame pressurized surface of subplate with recess looks adaptation bead, mainboard and subplate size adaptation coincide.
3. The high-efficiency diaphragm filter plate of claim 2, wherein: be equipped with inlet channel on the mainboard, the feed port passes through inlet channel and reposition of redundant personnel hole intercommunication, the reposition of redundant personnel hole is located the upper portion central point of filter chamber and puts, the filter chamber of reposition of redundant personnel hole intercommunication filter plate both sides, the tip cover of reposition of redundant personnel hole is equipped with the double-layered cloth ware of big or small adaptation.
4. The high-efficiency diaphragm filter plate of claim 1, wherein: the filter plate is provided with an exhaust passage and a liquid discharge passage, the exhaust hole on the right side of the filter plate is communicated with the filter chamber on the front side of the filter plate through the exhaust passage, and the exhaust hole on the left side of the filter plate is communicated with the filter chamber on the back side of the filter plate through the exhaust passage; the liquid discharge hole on the right side of the filter plate is communicated with the filter chamber on the front side of the filter plate through a liquid discharge channel, and the liquid discharge hole on the left side of the filter plate is communicated with the filter chamber on the back side of the filter plate through a liquid discharge channel.
5. The high-efficiency diaphragm filter plate of claim 1, wherein: the auxiliary plate of the filter plate is provided with a water squeezing channel and a gas squeezing channel, the water squeezing hole at the left side of the filter plate is communicated with the tympanic cavity at the front side of the filter plate through the water squeezing channel, and the water squeezing hole at the right side of the filter plate is communicated with the tympanic cavity at the back side of the filter plate through the water squeezing channel; the air pressing hole on the left side of the filter plate is communicated with the eardrum cavity on the front side of the filter plate through an air pressing channel, and the air pressing hole on the right side of the filter plate is communicated with the eardrum cavity on the back side of the filter plate through an air pressing channel.
6. The high-efficiency diaphragm filter plate of claim 1, wherein: seal grooves are formed in the feeding hole, the air pressing hole, the exhaust hole, the liquid discharge hole and the water pressing hole, and seal rings matched in size are assembled on the seal grooves.
7. The high-efficiency diaphragm filter plate of claim 1, wherein: buffer holes are formed in the upper frame of the filter plate among the feeding hole, the air pressing hole and the exhaust hole; the pressure surface of the filter plate is provided with a safety hole which is communicated with the tympanic membrane cavity.
8. The high-efficiency diaphragm filter plate of claim 1, wherein: the depth of the filter chamber of the main plate of the filter plate is larger than that of the auxiliary plate, and the thickness of the frame of the main plate is larger than that of the frame of the auxiliary plate.
9. The high-efficiency diaphragm filter plate of claim 1, wherein: the right half of the pressed surface of the filter plate is separately provided with a drainage groove, the drainage groove is communicated with a drainage hole on the right side of the filter plate, and the right side of the filter chamber is provided with a plurality of drainage channels communicated with the drainage groove.
10. The high-efficiency diaphragm filter plate of claim 1, wherein: the diaphragm membrane is mainly made of ethylene propylene diene monomer materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316512.4A CN111249778A (en) | 2020-04-21 | 2020-04-21 | High-efficient diaphragm filter plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316512.4A CN111249778A (en) | 2020-04-21 | 2020-04-21 | High-efficient diaphragm filter plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111249778A true CN111249778A (en) | 2020-06-09 |
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ID=70944698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010316512.4A Withdrawn CN111249778A (en) | 2020-04-21 | 2020-04-21 | High-efficient diaphragm filter plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111249778A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146461A (en) * | 2021-12-10 | 2022-03-08 | 湖北省轻工业科学研究设计院有限公司 | Novel filter plate structure of filter press |
-
2020
- 2020-04-21 CN CN202010316512.4A patent/CN111249778A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146461A (en) * | 2021-12-10 | 2022-03-08 | 湖北省轻工业科学研究设计院有限公司 | Novel filter plate structure of filter press |
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Application publication date: 20200609 |