Membrane filter plate
The utility model relates to a kind of filter press parts, relates to a kind of filter press specifically and uses membrane filter plate.
Filter press is a kind ofly to apply the machinery that mechanical force realize to be filtered in filter medium one side, is widely used in the material mummification of industries such as medicine, food, chemical industry, sewage.Membrane filter plate is one of critical piece of filter press, can satisfy the filtering technique of dehydration.The purpose of membrane filter plate is after fill process finishes, and through material (being filter cake) is squeezed, improves the dewatering efficiency of filter press, increases the mass dryness fraction of filter cake, reduces and pollutes and the 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, there is the slow problem of material moisture rate of discharge in filter press with membrane filter plate in use, has reduced the squeezing efficient of filter press.
The utility model content
The utility model technical problem to be solved provides the membrane filter plate that moisture is discharged in a kind of effective quickening water-containing materials.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of membrane filter plate comprises filter plate body and barrier film, and said filter plate body comprises sheet frame and is located at the pars intermedia on the sheet frame; Said barrier film is located on the pars intermedia; Also be provided with the charging aperture of perforation on the pars intermedia, sheet frame is provided with inlet and liquid outlet, forms diaphragm cavity between barrier film inboard and the pars intermedia; This diaphragm cavity is communicated with inlet and liquid outlet respectively; Also be provided with the outlet and at least one runner of at least one perforation on the said sheet frame, said runner one end is connected with outlet, and the other end extends to the barrier film outside.
Preferably, said outlet is four, is located on four jiaos of sheet frame, and each liquid outlet all is connected with three runners.
Further, also be provided with cavity in the said pars intermedia, this cavity is connected with inlet, liquid outlet respectively, and cavity also is connected with diaphragm cavity through a plurality of through holes on the pars intermedia.
Preferably, the plane that the feedstock direction of said charging aperture is vertical and barrier film belongs to, said inlet and liquid outlet are side opening, the feed liquor direction of inlet and feedstock direction all vertical with the fluid direction of liquid outlet.
Further, said charging aperture places the central authorities of pars intermedia, and inlet and liquid outlet are arranged on the diagonal position of sheet frame.
Preferably, said barrier film is arranged symmetrically in the both sides of the pars intermedia of filter plate body, and the barrier film of every side all has two-layer.
Further, also comprise filter cloth, said filter cloth is coated on the outer surface of barrier film and sheet frame.
Preferably, the material of said barrier film is heat-resisting withstand voltage elastomeric material.
Further, the material of said filter plate body is engineering plastics.
The utility model relates to the discharge that membrane filter plate can be accelerated moisture in the material; Reduce the moisture content of material effectively; Adopt two membrane configurations and barrier film to adopt heat-resisting withstand voltage elastomeric material simultaneously; And then guarantee the service life that it is long that easy for installation during use, reliable in quality are guaranteed the safe and efficient of whole process flow.
Description of drawings
Fig. 1 is filter plate main body structure sketch map in this use new embodiment.
Fig. 2 is that Figure 1B-B is to cutaway view.
Fig. 3 is the structural representation of the utility model membrane filter plate.
Fig. 4 is the side view of membrane filter plate shown in Figure 3.
Fig. 5 be among Fig. 4 A-A to cutaway view.
Fig. 6 is the enlarged drawing of C circle among Fig. 4.
Fig. 7 is the utility model membrane filter plate working state schematic representation.
Fig. 8 is the structural representation of filter plate among Fig. 7.
The specific embodiment
The filter press that the utility model relates to comprises filter plate body 1 and barrier film 2 with membrane filter plate, and like Fig. 1, shown in Figure 2, said filter plate body 1 comprises sheet frame 11 and be located at the pars intermedia 12 on the sheet frame 11 that said barrier film 2 is located on the pars intermedia 12, sees Fig. 3 and Fig. 4.Can know from Fig. 3, also be provided with the charging aperture 13 of perforation on the pars intermedia 12, also be provided with inlet 14 and liquid outlet 15 on the sheet frame 11, form diaphragm cavity 3 between the inboard of barrier film 2 and the pars intermedia 12, this diaphragm cavity 3 is communicated with inlet 14 and liquid outlet 15 respectively.Also be provided with the outlet 16 and at least one runner 17 of at least one perforation on the said sheet frame 11, see Fig. 3 and Fig. 6, an end of said runner 17 is connected with outlet 16; The other end extends to the outside of barrier film 2, and preferably, said outlet 16 is four; Be located on four angles of sheet frame 11; And each outlet 16 all is connected with three runners 17, and the moisture in the material can be discharged from exporting 16 through runner 17 fast like this, and then increases work efficiency.Said runner 17 is the groove that is processed in the sheet frame surface, and extends to the outside of barrier film 2.
Further, also be provided with cavity 18 in the said pars intermedia 12, see Fig. 5 and Fig. 6, this cavity 18 is connected with inlet 14, liquid outlet 15 respectively, and cavity 18 also is connected with diaphragm cavity 3 through a plurality of through holes 19 on the pars intermedia 12.In the present embodiment, through hole 19 is 16 on the plate of said pars intermedia 12 both sides, and four lines four row are evenly arranged, after press media gets into cavity 18 from inlet 14 like this, get into diaphragm cavity 3 through through hole 19, and then drum are opened 2 pairs of material press dewaterings of barrier film.The outer surface of barrier film 2 and sheet frame 11 all coats and is provided with filter cloth 4, the moisture in the material and discharge from exporting 16 through runner 17 less than the particle in filter cloth aperture.
Further, the plane that the feedstock direction of said charging aperture 13 is vertical and barrier film 2 belongs to, said inlet 14 is side opening, the feed liquor direction of inlet 14 and feedstock direction all vertical with the fluid direction of liquid outlet 15 with liquid outlet 15.Said charging aperture 13 places the central authorities of pars intermedia 12; Inlet 14 is arranged on the diagonal position of sheet frame 11 with liquid outlet 15; Serve as main looking with view direction shown in Figure 3 promptly, then inlet 14 places the lower end, left side of sheet frame 11 in the present embodiment, and liquid outlet 15 places the upper end, right side of sheet frame 11; Be inlet 14 and liquid outlet 15 is arranged on two relative sides of sheet frame 11, and liquid outlet 15 is above inlet 14.
Preferably, said barrier film 2 is arranged symmetrically in the both sides of the pars intermedia 12 of filter plate body 1, and the barrier film 2 of every side is two-layer, and the material of barrier film 2 is heat-resisting withstand voltage elastomeric material, satisfies the multiple needs of different industries with this, and long service life.
Fig. 7 is the work sketch map of the utility model membrane filter plate, from figure, can know, during this membrane filter plate work, combines closely with the filter plate 5 of filter press, and promptly the membrane filter plate both sides all are the filter plate 5 of filter press.Further; Said filter plate 5 comprises first sheet frame 51 and is located at first pars intermedia 52 on first sheet frame 51; See Fig. 8, the part outer surface of the outer surface of first pars intermedia 52 and first sheet frame 51 forms first charging aperture 54 that also is provided with perforation on recessed district 53, the first pars intermedias 53; Be equipped with first outlet 55 of perforation on four angles of first sheet frame 51; Said first charging aperture 54 is connected with charging aperture 11 on the membrane filter plate, and first outlet 55 is connected with outlet 16 on the membrane filter plate, and the female district 53 is the packing space of material.Said first pars intermedia 52 and first sheet frame, 51 outsides coat and are provided with filter cloth 4; Also be provided with first flow 56 on said first sheet frame 51; One end of said first flow 56 is connected with recessed district 53, and the other end is connected with first outlet 55, and each first outlet 55 all is connected with two runners 56.Water-containing materials gets in the recessed district 53 from charging aperture; Particle and liquid less than the filter cloth aperture flow out from exporting 16 through the runner on the membrane filter plate 17 respectively; Also can from first outlet 55, flow out through the first flow 56 on the filter plate 5; Be trapped within the recessed district 53 greater than the particle in filter plate aperture, filled up by material until recessed district 53.The inlet 14 of press media in the filter press system in the hydraulic test from the membrane filter plate get into cavity 18 → through hole 19 → diaphragm cavity 3 → liquid outlet 15 → hydraulic test → inlet 14 → cavity 18 in the filter plate bodies 1 → ... Circulate in membrane filter plate inside; And then drum is opened barrier film to the material press dewatering; Water in the material is discharged from exporting 16 through the runner on the membrane filter plate 17, also can from first outlet 55, discharge through the first flow 56 on the filter plate 5.The pressure size of press media is controlled by the hydraulic test in the filter press system.
The filter plate body 1 of plate frame structure adopts a compression moulding of engineering plastics, and carries out secondary operations, and its machining accuracy is high, steady quality is reliable.The diaphragm cavity of this membrane filter plate can be through multiple press media such as the compressed air below 100 ℃, hot and cold water, steam through optimal design, and pressure is even, and is applied widely, the withstand voltage 1.0MPa that reaches.The double-deck barrier film of membrane filter plate pars intermedia 12 both sides, and adopt heat-resisting withstand voltage elastomeric material, can satisfy the multiple needs of different industries; Membrane filter plate combines with filter plate closely, and is easy for installation, reliable in quality; Long service life; Guarantee the safe and efficient of whole process flow, reduce the moisture content of material greatly, improve overall operation efficiency.