CN211935736U - Filter plate assembly for a filter press - Google Patents

Filter plate assembly for a filter press Download PDF

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Publication number
CN211935736U
CN211935736U CN202020254076.8U CN202020254076U CN211935736U CN 211935736 U CN211935736 U CN 211935736U CN 202020254076 U CN202020254076 U CN 202020254076U CN 211935736 U CN211935736 U CN 211935736U
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filter
filter plate
annular
water
water bag
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CN202020254076.8U
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Chinese (zh)
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梁志宁
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Individual
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Individual
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Abstract

The utility model discloses a filter plate component for a filter press, which comprises a filter plate A and a filter plate B which are arranged alternately, wherein two sides of the filter plate A are provided with annular water sac chambers, two sides of the filter plate B are provided with annular material chambers, and the adjacent annular water sac chambers and the annular material chambers jointly form a closed filter pressing chamber; the central holes of the filter plate A and the filter plate B are communicated to form a feeding channel, two sides of the central hole of the filter plate A are provided with a gland, and the outer circumferential side of the gland is provided with a feeding hole for communicating the feeding channel and the filter-pressing cavity; a rubber water bag is arranged in the annular water bag cavity, the rubber water bag squeezes materials in the filter pressing cavity through water injection expansion, a water inlet and outlet is formed in the bottom of the filter plate A, and the water inlet and outlet is communicated with a water injection port of the rubber water bag; the inner bottom surface of the annular material cavity is provided with a plurality of filter holes, filter cloth is laid on the filter holes, the bottom of the filter plate B is provided with a filtrate outlet, and the filtrate outlet is communicated with the filter holes. The utility model has the advantages of no water leakage, long service life, low maintenance cost, etc.

Description

Filter plate assembly for a filter press
Technical Field
The utility model relates to the field of filter presses, in particular to a filter plate component for a filter press.
Background
The filter press is a solid-liquid separation device, for example, a diaphragm filter press, which is provided with a layer of elastic diaphragm plate between two filter plates, and in the operation process, when the feeding is finished, a high-pressure fluid medium (such as water) can be injected between one of the filter plates and the diaphragm, and at this time, the whole diaphragm can be bulged to press the filter cake, so that the further dehydration of the filter cake is realized, namely, the squeezing filtration. The diaphragm of traditional diaphragm type pressure filter is a rubber skin, realizes sealedly between two filter plates through compressing tightly, and this kind of sealing method reliability is not high, uses after a period, and the leakproofness descends, can appear the phenomenon of leaking, so life is short, the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in: aiming at the defects in the prior art, the filter plate component for the filter press has the advantages of no water leakage, long service life and low maintenance cost.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a filter plate component for a filter press comprises a filter plate A and a filter plate B which are arranged alternately, wherein two sides of the filter plate A are provided with annular water sac chambers, two sides of the filter plate B are provided with annular material chambers, and the adjacent annular water sac chambers and the annular material chambers jointly form a closed filter press chamber; the central holes of the filter plate A and the filter plate B are communicated to form a feeding channel, two sides of the central hole of the filter plate A are provided with a gland, and the outer circumferential side of the gland is provided with a feeding hole for communicating the feeding channel and the filter-pressing cavity; a rubber water bag is arranged in the annular water bag cavity, the rubber water bag squeezes materials in the filter pressing cavity through water injection expansion, a water inlet and outlet is formed in the bottom of the filter plate A, and the water inlet and outlet is communicated with a water injection port of the rubber water bag; the inner bottom surface of the annular material cavity is provided with a plurality of filter holes, filter cloth is laid on the filter holes, the bottom of the filter plate B is provided with a filtrate outlet, and the filtrate outlet is communicated with the filter holes.
Furthermore, the rubber water bag is annular, and a water injection port of the rubber water bag is fixed on the filter plate A through a screw.
Furthermore, the top of the filter plate A is provided with an exhaust port, and the exhaust port is connected with the annular water bag cavity.
Furthermore, a plurality of concentric annular filter grooves with different diameters are arranged on the inner bottom surface of the annular material cavity, and the annular filter grooves are communicated with the filter holes.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a rubber water pocket replaces traditional rubber skin diaphragm, and rubber water pocket itself is exactly confined, and the leakproofness is very good, can not appear leaking the phenomenon, places annular water pocket intracavity in whole rubber water pocket in addition, can not receive the extrusion of two filter plates, therefore long service life, the reliability is high, and the maintenance cost is low.
Drawings
Fig. 1 is a schematic view of the present invention in a state where the water bladder is not expanded in the feeding stage.
Fig. 2 is a schematic view of the water bag of the present invention in the state of being inflated in the squeezing stage.
Fig. 3 is an enlarged schematic perspective view of the rubber water bag of the present invention.
Fig. 4 is an enlarged front view structural diagram of the middle rubber water bag of the present invention.
Fig. 5 is a sectional view taken along line a-a in fig. 4.
Fig. 6 is an enlarged schematic structural view of the middle semicircular pressing plate of the present invention.
Illustration of the drawings: 1. a, filtering a plate; 11. an annular water sac cavity; 12. a water inlet and outlet; 13. an exhaust port; 2. b, filtering the plate; 21. an annular material cavity; 22. filtering holes; 23. a filtrate outlet; 24. an annular filter cell; 3. a feed channel; 4. a gland; 5. a rubber water bag; 51. a water injection port; 52. a flange plate; 6. filtering cloth; 7. a screw; 8. a semicircular pressing plate; 9. and (3) feeding.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, and it should be noted that the scope of the present invention is not limited to the following embodiments, and any modifications and decorations made by the present invention should be considered as the scope of the present invention without departing from the principle of the present invention.
As shown in fig. 1 and 2, the filter plate assembly for a filter press of the present invention includes an a filter plate 1 and a B filter plate 2 arranged alternately, in practical applications, the a filter plate 1 and the B filter plate 2 each have a plurality of blocks, and only a part of the blocks is omitted from the drawings. Two sides of the filter plate A1 are provided with annular water sac cavities 11, two sides of the filter plate B2 are provided with annular material cavities 21, and the adjacent annular water sac cavities 11 and the annular material cavities 21 jointly form a closed filter pressing cavity.
The central holes of the filter plate A1 and the filter plate B2 are communicated to form a feeding channel 3, two sides of the central hole of the filter plate A1 are provided with a gland 4, and the outer circumference side of the gland 4 is provided with a feeding hole for communicating the feeding channel 3 with a filter pressing cavity.
An annular rubber water bag 5 is arranged in the annular water bag cavity 11, the shape and the structure of the rubber water bag 5 are shown in figures 3 to 5, and the rubber water bag 5 squeezes the materials 9 in the filter pressing cavity through water injection expansion. The bottom of the A filter plate 1 is provided with a water inlet and outlet 12, one end of the water inlet and outlet 12 is used for connecting a high-pressure plunger pump, and the other end is communicated with a water filling port 51 of the rubber water bag 5. The water filling port 51 of the rubber water bag 5 is fixed on the A filter plate 1 through a screw 7. Referring to fig. 1, 2 and 5, the edge of the water injection port 51 of the rubber water bag 5 is turned outwards to form a flange 52, and the flange 52 is provided with a screw hole matched with the screw 7. The screw 7 is a countersunk screw, and an annular pressing plate is padded between the head of the countersunk screw and the flange plate 52 for improving the installation sealing property. Referring to fig. 6, the annular pressing plate is formed by combining two semicircular pressing plates 8, so that the installation is convenient.
Referring to fig. 1 and 2, an exhaust port 13 is formed at the top of the filter plate a 1, and the exhaust port 13 is connected with the annular water bag cavity 11. During feeding, air in the filter pressing cavity is exhausted through the exhaust port 13.
Referring to fig. 1 and 2, the filter cloth 6 is laid on the inner bottom surface of the annular material cavity 21, a plurality of concentric annular filter grooves 24 with different diameters are formed in the inner bottom surface of the annular material cavity 21, and filter holes 22 communicated with the annular filter grooves 24 are formed in the bottom of the annular filter grooves 24. The bottom of the B filter plate 2 is provided with a filtrate outlet 23, and the filtrate outlet 23 is communicated with the filter hole 22.
The working principle is as follows: referring to fig. 1, when feeding, the rubber water bag 5 is in an unexpanded state, and the material 9 enters the filter pressing cavity from the feeding channel 3 through the feeding hole on the pressing cover 4 and is located between the rubber water bag 5 and the filter cloth 6. Referring to fig. 2, after the feeding is completed, water is injected into the rubber water bag 5 through the water inlet and outlet 12 by means of a high-pressure plunger pump, and high pressure is continuously applied, so that the rubber water bag 5 is expanded to extrude the material 9, squeezing dehydration is realized, and the separated liquid is discharged through a filtrate outlet 23. After the squeezing is completed, the high-pressure plunger pump is stopped, and the water in the rubber water bag 5 is discharged through the water inlet and outlet 12.

Claims (4)

1. A filter plate assembly for a filter press, comprising: the filter comprises a filter plate A and a filter plate B which are arranged alternately, wherein two sides of the filter plate A are provided with annular water sac chambers, two sides of the filter plate B are provided with annular material chambers, and the adjacent annular water sac chambers and the annular material chambers jointly form a closed filter pressing chamber; the central holes of the filter plate A and the filter plate B are communicated to form a feeding channel, two sides of the central hole of the filter plate A are provided with a gland, and the outer circumferential side of the gland is provided with a feeding hole for communicating the feeding channel and the filter-pressing cavity; a rubber water bag is arranged in the annular water bag cavity, the rubber water bag squeezes materials in the filter pressing cavity through water injection expansion, a water inlet and outlet is formed in the bottom of the filter plate A, and the water inlet and outlet is communicated with a water injection port of the rubber water bag; the inner bottom surface of the annular material cavity is provided with a plurality of filter holes, filter cloth is laid on the filter holes, the bottom of the filter plate B is provided with a filtrate outlet, and the filtrate outlet is communicated with the filter holes.
2. The filter plate assembly for a filter press according to claim 1, wherein: the rubber water bag is annular, and a water injection port of the rubber water bag is fixed on the filter plate A through a screw.
3. The filter plate assembly for filter presses of claim 1 or 2, wherein: and the top of the filter plate A is provided with an exhaust port, and the exhaust port is connected with the annular water bag cavity.
4. The filter plate assembly for filter presses of claim 1 or 2, wherein: the inner bottom surface of the annular material cavity is provided with a plurality of concentric annular filter tanks with different diameters, and the annular filter tanks are communicated with the filter holes.
CN202020254076.8U 2020-03-04 2020-03-04 Filter plate assembly for a filter press Active CN211935736U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020254076.8U CN211935736U (en) 2020-03-04 2020-03-04 Filter plate assembly for a filter press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020254076.8U CN211935736U (en) 2020-03-04 2020-03-04 Filter plate assembly for a filter press

Publications (1)

Publication Number Publication Date
CN211935736U true CN211935736U (en) 2020-11-17

Family

ID=73189151

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020254076.8U Active CN211935736U (en) 2020-03-04 2020-03-04 Filter plate assembly for a filter press

Country Status (1)

Country Link
CN (1) CN211935736U (en)

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