CN203861982U - Membrane plate - Google Patents
Membrane plate Download PDFInfo
- Publication number
- CN203861982U CN203861982U CN201420304970.6U CN201420304970U CN203861982U CN 203861982 U CN203861982 U CN 203861982U CN 201420304970 U CN201420304970 U CN 201420304970U CN 203861982 U CN203861982 U CN 203861982U
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- CN
- China
- Prior art keywords
- groove
- barrier film
- central layer
- solid central
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a membrane plate comprising a solid core plate and two membranes respectively arranged on two sides of the solid core plate. An internal chamber is formed between each membrane and the solid core plate. The solid core plate comprises a middle plate body and a plate frame surrounding the periphery of the middle plate body. The edge of the middle plate body is connected with the edge of each membrane, and each membrane is provided with a first groove in the joint. Each first groove is located in the surface of one side, back to the solid core plate, of the corresponding membrane. By the membrane plate, deformation stress of the membranes due to expansion in use can be lowered, and deformation of the membranes due to the deformation stress is relieved; meanwhile, outflow velocity of filtrate and inflow velocity of a cleaning solution can be increased.
Description
Technical field
The utility model relates to filter press field of components, espespecially a kind of membrane filter plate.
Background technology
The filter plate of general filter press adopts a membrane filter plate and a chamber filter plate interval to be used in combination, and wherein chamber filter plate is solid construction, and membrane filter plate forms internal chamber structure by two barrier films and central layer.In use, passing into external agency (water or compressed air etc.) enters in the chamber between central layer and barrier film, thereby barrier film bulging is compressed the filter chamber of membrane filter plate and chamber filter plate composition, and then better separating liquid and solid, solid content improved.
The object of membrane filter plate is after fill process finishes, by material (being filter cake) is squeezed, improve the dewatering efficiency of filter press, increase the mass dryness fraction of filter cake, reduce and pollute and minimizing labour, the material of membrane filter plate, structure with and the difference of quality, can directly have influence on the strainability of whole filter press.At present, filter press is with membrane filter plate in use in process, and ubiquity barrier film is because repeatedly heaving and the problem on deformation of flat lower generation.Generally using 2-3, after eardrum number of times is 5000-6000 time, barrier film just cannot use because of the damage that above-mentioned distortion causes, and must change barrier film and just can continue to filter.Above-mentioned reason has also improved the requirement to diaphragm selection simultaneously, has dwindled the scope of application.
Based on above-mentioned situation, reduce the service life of filter press.Therefore, can visualize a kind of bulging time distortion less, and then the barrier film increasing the service life both to have gone out filter plate liquid effective, the membrane filter plate of long service life is that those of ordinary skill in the art expect the problem solving always simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of membrane filter plate, can reduce the distortional stress that barrier film is in use subject to because of bulging, alleviates the distortion that barrier film that this distortional stress causes occurs.
The technical scheme that the utility model provides is as follows:
A kind of membrane filter plate, comprising:
Solid central layer and two barrier films that are divided into solid central layer both sides, form internal chamber between every barrier film and this solid central layer;
Described solid central layer comprises intermediate board body and is located in the sheet frame of described intermediate board body surrounding;
The marginal position of described intermediate board body is connected with the marginal position of described barrier film, and described barrier film is provided with the first groove in this junction;
Described the first groove is positioned on the side surface back on described solid central layer on described barrier film.
Further preferably, the described junction of described intermediate board body and described barrier film is an annular region;
Described the first groove, along described annular region setting, is an annular groove.
Further preferably, described solid central layer be provided with successively the liquid outlet that is communicated with and go out fluid through-hole, fluid is propped up hole, described fluid is propped up hole and is communicated to the filter chamber forming between two filter plates simultaneously;
One end that described in described fluid Zhi Kongyu, filter chamber is communicated with extends to described the first groove.
Further preferably, described the first groove is from bottom to the groove of top flaring;
And/or;
The number of described the first groove is multiple.
Further preferably, the center of described solid central layer is provided with a through hole;
In the circumferential position of described through hole, described solid central layer is connected with described barrier film, and described barrier film is provided with the second groove at this link position place;
Described the second groove is positioned on the side surface back on described solid central layer on described barrier film.
Further preferably, in the circumferential position of described through hole, the join domain of described solid central layer and described barrier film is an annular region, and described the second groove arranges along this annular region, is an annular groove.
Further preferably, described the second groove is from bottom to the groove of top flaring;
And/or;
The number of described the second groove is multiple.
Further preferably, the middle part of described solid central layer is distributed with multiple protuberances;
In the circumferential position of described protuberance, described solid central layer is connected with described barrier film, and described barrier film is provided with the 3rd groove at this link position place;
Described the 3rd groove is positioned on the side surface back on described solid central layer on described barrier film.
Further preferably, in the circumferential position of described protuberance, the join domain of described solid central layer and described barrier film is an annular region, and described the 3rd groove arranges along this annular region, is an annular groove.
Further preferably, described the 3rd groove is from bottom to the groove of top flaring;
And/or;
The number of described the 3rd groove is multiple.
The membrane filter plate providing by the utility model, can bring following at least one beneficial effect:
1. can reduce the distortion that barrier film causes because of the bulging in using.The membrane filter plate that the utility model provides arranges the first groove on barrier film, this first groove is arranged at the intermediate board body of solid central layer and the link position of barrier film (being connected by welding), and the mediate marginal position of plate body and barrier film of this link position, in filtration, barrier film is the larger position of stress in the time of bulging.The suffered this distortional stress of barrier film when the setting of the first groove can be in use cushions bulging by the stretching of the opening of groove, and then can reduce and cushion the distortion of barrier film.More preferably, the through hole arranging at the center of solid central layer, and the protuberance of middle part setting, the periphery of this position, two places is be connected with the barrier film position of (being connected by welding) of solid central layer simultaneously, it is the larger position of stress that barrier film is subject in the time of bulging, the suffered this distortional stress of barrier film when the setting of the second groove and the 3rd groove can cushion bulging by the stretching of the opening of groove, and then can reduce and cushion the distortion of barrier film.Prove through many experiments, membrane filter plate of the present utility model, owing to having increased groove on barrier film, can make increase by 40% the service life of barrier film, and the bulging number of times of film increases by 2000 left and right.
2. accelerate the rate of outflow of filtrate and the inflow velocity of cleaning solution.In the membrane filter plate that the utility model provides, the filter chamber forming between two filter plates, fluid is propped up hole, go out fluid through-hole, between liquid outlet, be communicated with successively, one end that fluid Zhi Kongyu filter chamber is communicated with extends to the first groove, because the position of the first groove is a part that surrounds filter chamber on barrier film, be that fluid is propped up hole and is communicated to filter chamber by the first groove, like this because the opening size of groove is larger than aperture size, so just expand filter chamber and fluid and propped up the scope that is communicated with in hole, the flow export (or inflow entrance of cleaning solution) of the filtrate in filter chamber has just expanded, so just can accelerate the rate of outflow of filtrate and the inflow velocity of cleaning solution.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of a kind of embodiment of the utility model septation filter plate;
Fig. 2 is for A-A in Fig. 1 is to the structural representation of cutaway view;
Fig. 3 is the structure for amplifying schematic diagram in B region in Fig. 2;
Fig. 4 is the structure for amplifying schematic diagram in C region in Fig. 2;
Fig. 5 is the structure for amplifying schematic diagram in D region in Fig. 2;
Drawing reference numeral explanation:
1, filter plate; 11, the first groove; 2, through hole; 21, the second groove; 3, protuberance; 31 the 3rd grooves; 4, go out fluid through-hole; 41, fluid is propped up hole; 5, liquid outlet; 6, barrier film.
Detailed description of the invention
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
In an embodiment of the present utility model, with reference to Fig. 1, Fig. 2, Fig. 3, membrane filter plate 1 comprises solid central layer and is divided into two barrier films 6 of solid central layer both sides, between every barrier film and this solid central layer, forms internal chamber; Solid central layer comprises intermediate board body and is located in the sheet frame of intermediate board body surrounding; Simultaneously, the marginal position of intermediate board body is connected with the marginal position of barrier film, and (common solid central layer and barrier film are welded to connect at the marginal position of the two, also can be understood as that the two is welded to connect in the position of the sealing surface of filter plate), barrier film is provided with the first groove 11 in this junction; This first groove 11 is positioned on the side surface back on solid central layer on barrier film, and the opening of the first groove is back on solid central layer setting.The larger position of distortional stress being subject to when position is barrier film bulging due to being welded to connect of the intermediate board body of solid central layer and barrier film, on barrier film, corresponding to the place of this link position, the first groove is set like this, can be in use the stretching (opening of groove is easier to stretch compared to the smooth structure of barrier film) of opening by the groove suffered this distortional stress of barrier film while cushioning bulging, and then can reduce and cushion the distortion of barrier film.
In an embodiment of the present utility model, with reference to Fig. 1, Fig. 2, Fig. 3, due to after the intermediate board body of solid central layer and barrier film be welded to connect, barrier film needs to pass in use external agency, and then bulging is compressed filter chamber, so barrier film need to weld to ensure that thereby sealing realizes bulging at the marginal position of its periphery and intermediate board body, so the intermediate board body of solid central layer and the junction of barrier film will be an annular region; And then in the time that the first groove 11 is set, it arranges along this annular region, is an annular groove, can cushion enclosing suffered distortional stress Monday outside it when the bulging barrier film.The neighboring that it should be understood that barrier film or intermediate board body can be the loop configuration of annulus or non-annulus, and then the first groove also can adjust according to this concrete shape, and not necessarily toroidal, can be also irregular annular shape.
In an embodiment of the present utility model, with reference to Fig. 1, Fig. 2, Fig. 3, solid central layer be provided with successively the liquid outlet 5 that is communicated with and go out fluid through-hole 4, fluid is propped up hole 41, fluid is propped up hole 41 and is communicated to the filter chamber forming between two filter plates simultaneously; Fluid is propped up one end that hole 41 is communicated with filter chamber and is extended to the first groove 11 places.Because the position of the first groove is a part that surrounds filter chamber on barrier film, be that fluid is propped up hole and is communicated to filter chamber by the first groove, like this because the opening size of groove is larger than aperture size, so just expand filter chamber and fluid and propped up the scope that is communicated with in hole, the flow export (or inflow entrance of cleaning solution) of the filtrate in filter chamber has just expanded, and so just can accelerate the rate of outflow of filtrate and the inflow velocity of cleaning solution.
In an embodiment of the present utility model, with reference to Fig. 1, Fig. 2, Fig. 5, the center of solid central layer is provided with a through hole 2; In the circumferential position of this through hole 2, solid central layer is connected with barrier film 6, and barrier film 6 is provided with the second groove 21 at this link position place; And the second groove 21 is positioned on the side surface back on solid central layer on barrier film 6.Because center operated by rotary motion one through hole of solid central layer is used for as charging aperture, accordingly, on barrier film, also to through hole be set in center, to mate with solid central layer., need to be welded to connect the intermediate board body of barrier film and solid central layer in the circumferential position of this through hole, to ensure normally bulging use of barrier film meanwhile.And the larger position of stress that this link position is also barrier film to be subject in the time of bulging, the suffered this distortional stress of barrier film when the setting of the second groove can cushion bulging by the stretching of the opening of groove (opening of groove compared to the smooth structure of barrier film be easier to stretch), and then can reduce and cushion the distortion of barrier film.
In an embodiment of the present utility model, with reference to Fig. 1, Fig. 2, Fig. 5, in the circumferential position of through hole 2, the intermediate board body of solid central layer and the join domain of barrier film are an annular region, the second groove 21 arranges along this annular region, is an annular groove.Because the periphery of the through hole of the center on solid central layer is annular region, in order to mate use, simultaneously for better bulging of barrier film, this annular region is the region that the intermediate board body of barrier film and solid central layer is welded and connected, in the time that the second groove 21 is set, it arranges along this annular region, is an annular groove, can cushion enclosing suffered distortional stress the outer Monday of its central through hole when the bulging barrier film.It should be understood that through hole that the center of barrier film or intermediate board body arranges can be for circular hole or non-circular hole, and then the second groove also can adjust according to this concrete shape, not necessarily toroidal, can be also irregular annular shape.
In an embodiment of the present utility model, with reference to Fig. 1, Fig. 2, Fig. 4, the middle part of solid central layer is distributed with multiple protuberances 3; In the position of protuberance 3 or the circumferential position of described protuberance, solid central layer is connected with barrier film, and barrier film is provided with the 3rd groove 31 at this link position place; The 3rd groove 31 is positioned on the side surface back on solid central layer on barrier film.Because the protuberance at solid central layer middle part can be played a supporting role to barrier film, simultaneously for cushion barrier film when the bulging outside it Monday enclose the distortional stress being subject to, barrier film and intermediate board body are welded and connected in the position of this protuberance.And the larger position of stress that this link position is also barrier film to be subject in the time of bulging, the suffered this distortional stress of barrier film when the setting of the 3rd groove 31 can cushion bulging by the stretching of the opening of groove (opening of groove compared to the smooth structure of barrier film be easier to stretch), and then can reduce and cushion the distortion of barrier film.
In an embodiment of the present utility model, with reference to Fig. 1, Fig. 2, Fig. 4, the 3rd groove 31 circularizes region division along the periphery of protuberance 3, is an annular groove.Because barrier film is connected in protuberance position with intermediate board body, barrier film, in the time of bulging, is centered by protuberance, circularizes the outside pull-up in region; Or barrier film is connected in the circumferential position of protuberance with intermediate board body, barrier film, in the time of bulging, circularizes the outside pull-up in region.In the time that the 3rd groove 31 is set, it is an annular groove along above-mentioned annular region setting, can cushion enclosing suffered distortional stress the outer Monday of protuberance 3 when the bulging barrier film.It should be understood that protuberance that the center of barrier film or intermediate board body arranges can be for circle or non-circular hole shape, and then the second groove also can adjust according to this concrete shape, not necessarily toroidal, can be also irregular annular shape.
In an embodiment of the present utility model, with reference to Fig. 3, Fig. 4, Fig. 5, the first groove 11, the second groove 21, the three grooves 31 one or more or can be all the groove of bottom to top flaring.The structure that open top is larger can more easily be pulled open groove structure herein in the time of bulging, further cushions the rock deformation pressure that barrier film is subject to.Meanwhile, the number of three kinds of grooves can be also multiple, cushions further rock deformation pressure, the structure of protection barrier film.
It should be noted that all independent assortments as required of above-described embodiment.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a membrane filter plate, comprising:
Solid central layer and two barrier films that are divided into solid central layer both sides, form internal chamber between every barrier film and this solid central layer;
Described solid central layer comprises intermediate board body and is located in the sheet frame of described intermediate board body surrounding;
It is characterized in that:
The marginal position of described intermediate board body is connected with the marginal position of described barrier film, and described barrier film is provided with the first groove in this junction;
Described the first groove is positioned on the side surface back on described solid central layer on described barrier film.
2. membrane filter plate according to claim 1, is characterized in that:
The described junction of described intermediate board body and described barrier film is an annular region;
Described the first groove, along described annular region setting, is an annular groove.
3. membrane filter plate according to claim 1, is characterized in that:
Described solid central layer be provided with successively the liquid outlet that is communicated with and go out fluid through-hole, fluid is propped up hole, described fluid is propped up hole and is communicated to the filter chamber forming between two filter plates simultaneously;
One end that described in described fluid Zhi Kongyu, filter chamber is communicated with extends to described the first groove.
4. membrane filter plate according to claim 1, is characterized in that:
Described the first groove is from bottom to the groove of top flaring;
And/or;
The number of described the first groove is multiple.
5. according to the membrane filter plate described in claim 1-4 any one, it is characterized in that:
The center of described solid central layer is provided with a through hole;
In the circumferential position of described through hole, described solid central layer is connected with described barrier film, and described barrier film is provided with the second groove at this link position place;
Described the second groove is positioned on the side surface back on described solid central layer on described barrier film.
6. membrane filter plate according to claim 5, is characterized in that:
In the circumferential position of described through hole, the join domain of described solid central layer and described barrier film is an annular region, and described the second groove arranges along this annular region, is an annular groove.
7. membrane filter plate according to claim 5, is characterized in that:
Described the second groove is from bottom to the groove of top flaring;
And/or;
The number of described the second groove is multiple.
8. according to the membrane filter plate described in claim 1-4 any one, it is characterized in that:
The middle part of described solid central layer is distributed with multiple protuberances;
In the circumferential position of described protuberance, described solid central layer is connected with described barrier film, and described barrier film is provided with the 3rd groove at this link position place;
Described the 3rd groove is positioned on the side surface back on described solid central layer on described barrier film.
9. membrane filter plate according to claim 8, is characterized in that:
In the circumferential position of described protuberance, the join domain of described solid central layer and described barrier film is an annular region, and described the 3rd groove arranges along this annular region, is an annular groove.
10. membrane filter plate according to claim 8, is characterized in that:
Described the 3rd groove is from bottom to the groove of top flaring;
And/or;
The number of described the 3rd groove is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304970.6U CN203861982U (en) | 2014-06-10 | 2014-06-10 | Membrane plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304970.6U CN203861982U (en) | 2014-06-10 | 2014-06-10 | Membrane plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203861982U true CN203861982U (en) | 2014-10-08 |
Family
ID=51642973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420304970.6U Withdrawn - After Issue CN203861982U (en) | 2014-06-10 | 2014-06-10 | Membrane plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203861982U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977613A (en) * | 2014-06-10 | 2014-08-13 | 浙江隆源压滤机有限公司 | Membrane filter plate |
| CN109126231A (en) * | 2017-06-28 | 2019-01-04 | 浙江复洁环保设备有限公司 | A kind of high elastic diaphragm filter board and preparation method thereof |
| CN111450585A (en) * | 2020-04-08 | 2020-07-28 | 杭州天惠实业有限公司 | Preparation process of polypropylene diaphragm core plate for filter press |
-
2014
- 2014-06-10 CN CN201420304970.6U patent/CN203861982U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977613A (en) * | 2014-06-10 | 2014-08-13 | 浙江隆源压滤机有限公司 | Membrane filter plate |
| CN109126231A (en) * | 2017-06-28 | 2019-01-04 | 浙江复洁环保设备有限公司 | A kind of high elastic diaphragm filter board and preparation method thereof |
| CN109126231B (en) * | 2017-06-28 | 2024-03-12 | 浙江复洁环保设备有限公司 | High-elasticity diaphragm filter plate and preparation method thereof |
| CN111450585A (en) * | 2020-04-08 | 2020-07-28 | 杭州天惠实业有限公司 | Preparation process of polypropylene diaphragm core plate for filter press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141008 Effective date of abandoning: 20151014 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |