A kind of acid and alkali-resistance filter press plate of vertical type blotter pressTechnical field
The utility model relates to vertical type blotter press technical field, the acid and alkali-resistance filter press plate of specially a kind of vertical type blotter press.
Background technique
At present both at home and abroad existing various pressure filtering equipments (including full-automatic vertical diaphragm filter press), filters pressing listMember is rectangle or square structure, and in such a way that diaphragm of rubber pressurising expansion squeezes filter cake, this is resulted inIts feed pressure (≤1MPa) and squeeze pressure (≤2MPa) are lower, are applied to the industries such as mine, metallurgy, pharmacy, to permeableProperty be not too poor, viscosity be not that very high material is implemented to be separated by solid-liquid separation, filter effect can be with.But the industries such as chemical industry, foodCertain materials, have high viscosity even hyperviscosity；For another example the sludge that sanitary sewage or trade effluent are formed after pretreatment(moisture content is not still up to standard), water penetration is very poor.The press filtration unit of existing filtering equipment imitates the solid-liquid separation treatment of above-mentioned materialFruit is very poor, it may be said that is helpless.A kind of pressure of Vertical full-automatic high-pressure filter of Patent No. 201320293954.7Unit is filtered, solves the problems, such as to be the liquid component that can be isolated to the maximum extent in material；Using " large tank " formula structure,The structure of press filtration unit utilizes " piston " to squeeze similar to a short stroke " large tank ", no diaphragm of rubber (vulnerable part, cost compared withIt is high), operating cost is greatly reduced；Upper and lower two-sided row's filtrate, avoids high viscous material and forms one layer on filter cloth and " block waterAfter film ", the case where filter chamber top filtrate can not be discharged, but since upper filter cloth and lower filter cloth are soft material, the utility modelIn use, during filter residue squeezes, filter cloth and lower filter cloth can be made to enter in corresponding grid, by dryingAfterwards, filter cake is sticked on filter cloth, is connected in grid, when lower filter cloth conveys, can drop the filter cake in grid, long-playFilter cloth can be damaged.
Summary of the invention
The purpose of this utility model is to provide a kind of acid and alkali-resistance filter press plates of vertical type blotter press, to solve above-mentioned background skillThe problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of acid and alkali-resistance filter press plate of vertical type blotter press including the filters pressing piston in convex-down setting and is actively socketed onThe filters pressing cylinder sleeve that relatively narrow one section of filters pressing piston, filters pressing cylinder sleeve upper end are circumferentially connected with multiple plunger cylinders, the plunger of plunger cylinderBar upper end is connect with the lower end of filters pressing piston wider section, and filters pressing cylinder sleeve is equipped with oil inlet and outlet, and oil inlet and outlet connects plunger cylinder, pressureFilter piston upper end be covered with filter cloth, the two sides that filter cloth is located at filters pressing piston are connected with filter cloth roller, offered on filters pressing piston intoExpects pipe and outlet tube,
The lower end of the filters pressing piston offers annular groove, and annular groove is connected to outlet tube, the annular grooveSide wall connects the filter plate of annular, offers filter opening on filter plate, and multiple pressure rams are plugged on the filter plate, and pressure ram is located at annularOne end in groove is connected with disk, and the lower end of the disk is connected with cone nail corresponding with filter opening, is located on same vertical planeThe upper ends of multiple disks same bar is connected with by spring, the both ends of bar and the side wall of annular groove connect, filterThe lower end of plate is connected with filtering diaphragm.
Preferably, the upper end of the filters pressing piston offers annular seal groove, is connected with elastic packing in annular seal grooveCircle, the lower end of the filters pressing cylinder sleeve offers and the matched annular slot of annular seal groove.
Preferably, the filtering diaphragm is polypropylene acid and alkali-resistance film.
Preferably, the quantity of the bar is more than six, and is distributed in equidistant ring.
Preferably, the outlet tube is irregular pipeline, and the least significant end of outlet tube connects lower than outlet tube and annular grooveThe position of logical one end.
Compared with prior art, the utility model has the beneficial effects that
1, it by the way that filters pressing piston, filters pressing cylinder sleeve, plunger cylinder and filter cloth is added, realizes the filters pressing of slurry, realizes that filters pressing is madeWith elastic seal ring plays sealing function；
2, by the way that pressure ram, disk, cone nail and bar is added, when two neighboring filters pressing piston is detached from, in the work of springIt under, pushes cone sting to filter opening, achievees the purpose that remove residue in filter opening；
3, filtering diaphragm is polypropylene acid and alkali-resistance film, plays the purpose of antiacid alkali.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model Section A-A enlarged structure schematic diagram；
Fig. 3 is enlarged structure schematic diagram at the utility model B
In figure: filters pressing piston 1, feed pipe 11, outlet tube 12, filter plate 13, pressure ram 14, disk 15, cone nail 16, bar17, filtering diaphragm 18, elastic seal ring 19, filters pressing cylinder sleeve 2, plunger cylinder 3, filter cloth 4.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility modelClearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than wholeEmbodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative workEvery other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2:
A kind of acid and alkali-resistance filter press plate of vertical type blotter press, including the filters pressing piston 1 and pivot bush unit in convex-down settingIn 1 relatively narrow one section of filters pressing cylinder sleeve 2 of filters pressing piston, 2 upper end of filters pressing cylinder sleeve is circumferentially connected with multiple plunger cylinders 3, plunger cylinder 3Plunger rod upper end connect with the lower end of 1 wider section of filters pressing piston, filters pressing cylinder sleeve 2 be equipped with oil inlet and outlet, oil inlet and outlet connecting columnOil cylinder 3 is filled in, the upper end of filters pressing piston 1 is covered with filter cloth 4, and the two sides that filter cloth 4 is located at filters pressing piston 1 are connected with filter cloth roller, filters pressingFeed pipe 11 and outlet tube 12 are offered on piston 1, outlet tube 12 is irregular pipeline, and the least significant end of outlet tube 12 is lower than outThe position of one end that liquid pipe 12 is connected to annular groove, anti-backflow, the upper end of filters pressing piston 1 offer annular seal groove, ringBe connected with elastic seal ring 19 in shape seal groove, the lower end of filters pressing cylinder sleeve 2 offer with the matched annular slot of annular seal groove,It seals.
The lower end of filters pressing piston 1 offers annular groove, and annular groove is connected to outlet tube 12, and the side wall of annular groove connectsThe filter plate 13 of annular is connect, offers filter opening on filter plate 13, multiple pressure rams 14 are plugged on filter plate 13, pressure ram 14 is located at annularOne end in groove is connected with disk 15, and the lower end of disk 15 is connected with cone nail 16 corresponding with filter opening, is located at same vertical planeOn the upper ends of multiple disks 15 same bar 17 is connected with by spring, the both ends of bar 17 and the side wall of annular groove connectIt connects, the quantity of bar 17 is more than six, and is distributed in equidistant ring, and uniformly, the lower end of filter plate 13 is connected with filtering diaphragm for filtering18, filtering diaphragm 18 is polypropylene acid and alkali-resistance film, acid and alkali-resistance.
In this case, the plunger cylinder 3 of every layer of press filtration unit moves at the same time under the driving of the hydraulic station of vertical type blotter press, reachesThe main hydraulic cylinder of pressure maintaining after to range, vertical type blotter press drives each layer press filtration unit downlink, until between each layer and underAfter filtrate plate fully comes together, main hydraulic cylinder upper cavity pressure reaches pressure maintaining after (feed state) setting value.Every adjacent two layers pressure at this timeA filter chamber, the annular slot card of elastic seal ring 19 and 2 lower end of filters pressing cylinder sleeve of the press filtration unit of top are formed between filter unitIt connects, ensure that the airtightness of filter chamber itself, pressure ram 14 are against on filter cloth 4, disk 15 is pushed to move up, cone nail 16 is detached from filterSlurry is squeezed into each layer filter chamber by feed pipe 11 at this time in hole, and wherein liquid passes through filtering diaphragm 18 and filter plate 13 from liquid outPipe 12 is discharged, and after completing a filters pressing, under the restoring force of spring, squeezes disk 15, cone nail 16 will be remaining residual in filter openingSlag is pushed on filter cake, and filter cloth roller brings out the filter cake on filter cloth 4.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repairedChange, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.