CN210030373U

CN210030373U - Combined filter plate for plate frame sludge dewatering machine

Info

Publication number: CN210030373U
Application number: CN201920717307.1U
Authority: CN
Inventors: 郑小月
Original assignee: Tianjin Dexin Environmental Protection Technology Co Ltd
Current assignee: Tianjin Dexin Environmental Protection Technology Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-02-07
Anticipated expiration: 2029-05-20

Abstract

The utility model relates to a plate frame sludge dewatering machine is with combination formula filter plate, including interior filtering layer, its characterized in that: the utility model discloses a filter, including interior filtering layer, screw hole, bolt, outer filtering layer, the equal fixedly connected with guide block of both sides lateral wall of interior filtering layer, just the top and the bottom both sides of interior filtering layer all are provided with the spacing ring, the outer wall fixedly connected with fixed block of spacing ring, the opposite side fixed connection of fixed block is at the lateral wall of interior filtering layer, the filter export has been seted up at the center of interior filtering layer, just the both sides of interior filtering layer all are provided with outer filtering layer, the screw hole female connection has the bolt, the center of outer filtering layer is provided with the one deck filter cloth, the equal fixedly connected with guide block.

Description

Combined filter plate for plate frame sludge dewatering machine

Technical Field

The utility model relates to a sludge dewatering technical field specifically is a plate frame sludge dewatering machine is with combination formula filter plate.

Background

Sludge dewatering is a sludge treatment method in which fluid primary, concentrated or digested sludge is dewatered and converted into semi-solid or solid sludge blocks. The plate-frame type sludge dewatering machine has the working principle that under a closed state, sludge pumped by a high-pressure pump is extruded by the plate frame, so that water in the sludge is discharged through filter cloth, and the dewatering purpose is achieved. The filter plate is an important component part of the plate frame sludge dewatering machine, the filter plate of the existing plate frame sludge dewatering machine is mostly designed into a single plate layer, the structure is simple, the filter plate is easy to damage due to external force extrusion when dewatering treatment is carried out, and the filter plate is easy to shake when the sludge is extruded, so that the dewatering effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's sheet frame sludge dewaterer filter plate single structure, poor stability, because of the impaired defect of extrusion, provide a plate frame sludge dewaterer with combination formula filter plate easily. The combined filter plate for the plate frame sludge dewatering machine has the characteristics of novel structure, free combination and disassembly, high stability, good buffering effect, capability of effectively avoiding damage of the filter plate due to extrusion and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plate frame is combination formula filter plate for sludge dewatering machine, includes interior filtering layer, the export has been seted up at the center of interior filtering layer, just the both sides of interior filtering layer all are provided with outer filtering layer, outer filtering layer all sets up threaded hole with four angles of interior filtering layer, screw hole female connection has the bolt, the center of outer filtering layer is provided with the one deck filter cloth, the equal fixedly connected with guide block of both sides lateral wall of interior filtering layer, just the top and the bottom both sides of interior filtering layer all are provided with the spacing ring, the outer wall fixedly connected with fixed block of spacing ring, the lateral wall of filter layer in opposite side fixed connection of fixed block.

Preferably, the inner filter layer is of an I-shaped structure, the two sides of the inner filter layer are both sunken inwards, a plurality of filter holes are formed in the top and the bottom of the inner filter layer, each filter channel is formed in the bottom of each filter hole and is Y-shaped, and the tail ends of the two sides of each filter channel penetrate through the inner filter layer.

Preferably, the equal fixedly connected with buffering frame in both sides top and the bottom of interior filtering layer, the surperficial evenly distributed of buffering frame has a plurality of buffer block, just the top inner wall fixedly connected with a plurality of spring of buffering frame, the other end fixed connection of spring is on the surface of interior filtering layer.

Preferably, the buffer block is a hemispherical rubber block structure.

Preferably, the guide block is of a U-shaped structure with a smooth bottom edge, the bottom of the guide block is provided with a guide groove, and the surface of the inner wall of the guide groove is provided with a layer of rubber gasket.

Compared with the prior art, the beneficial effects of the utility model are that:

the combined filter plate for the plate frame sludge dewatering machine has novel structure, can be freely combined and disassembled, has high stability and good buffering effect, can effectively avoid the damage of the filter plate due to extrusion, can fixedly connect the outer filter layer with the inner filter layer through bolts, can be freely combined and disassembled at any time, thereby being convenient for replacement and cleaning, can improve the stability of the combined filter plate through a guide groove and a limiting ring so as to prevent the sludge from shaking during the extrusion motion to influence the dewatering effect on the sludge, can extrude the filter plate through a manual or hydraulic pressure filter pressing device during the dewatering, can extrude the water in the sludge through the filter cloth after the sludge is extruded by the two combined filter plates, and can enter a filtering port through a filtering channel, and extrude the other part of water into the filtering hole along the filtering channel, thereby separating the water from the sludge and discharging the water extruded out of the dewatering machine to the outside of the plate frame sludge, the residual sludge is extruded into a sludge cake, thereby finally completing the dehydration treatment of the sludge.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of fig. 1.

Reference numbers in the figures: 1 inner filter layer, 2 filter outlet, 3 outer filter layer, 4 screw holes, 5 bolts, 6 filter cloth, 7 guide blocks, 8 limit rings, 9 fixed blocks, 10 filter holes, 11 filter channels, 12 buffer frames, 13 buffer blocks, 14 springs and 15 guide grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a combined filter plate for a plate frame sludge dewatering machine comprises an inner filter layer 1, wherein a filter outlet 2 is formed in the center of the inner filter layer 1, outer filter layers 3 are arranged on two sides of the inner filter layer 1, threaded holes 4 are formed in the outer filter layer 3 and four corners of the inner filter layer 1, bolts 5 are connected with the threaded holes 4 in a threaded manner, a layer of filter cloth 6 is arranged in the center of the outer filter layer 3, guide blocks 7 are fixedly connected to side walls of two sides of the inner filter layer 1, each guide block 7 is of a U-shaped structure with a smooth bottom edge, a guide groove 15 is formed in the bottom of each guide block, the combined filter plate can be placed on a slide rail through the guide blocks 7 and the guide grooves 15 to play a role in guiding the filter plate to move and improve the stability of the combined filter plate in moving and avoid shaking, a layer of rubber gaskets is arranged on the surface of the inner wall of each guide groove 15, each rubber gasket is made of rubber materials and has elasticity and, the top end and the bottom end of the inner filter layer 1 are both provided with a limiting ring 8, the outer wall of the limiting ring 8 is fixedly connected with a fixed block 9, the limiting ring 8 can be sleeved on a guide rod, so that a plurality of combined filter plates are strung on the guide rod to play a limiting and fixing effect, so that the filter plates are prevented from shaking when moving, the other side of the fixed block 9 is fixedly connected with the side wall of the inner filter layer 1, the inner filter layer 1 is of an I-shaped structure, the two sides of the inner filter layer 1 are both sunken inwards, the top and the bottom of the inner filter layer 1 are both provided with a plurality of filter holes 10, the bottom of each filter hole 10 is provided with a filter channel 11, the filter channel 11 is Y-shaped, the tail ends of the two sides of the filter layer penetrate through the inner filter layer 1, the top and the bottom ends of the two sides of the inner filter layer 1 are both fixedly connected with buffer frames 12, the surface of each, elastic deformation can take place when receiving the extrusion to can play the effect of buffering protection, in order to avoid bumping between outer filtering layer 3 and the interior filtering layer 1 and extrude and impaired, a plurality of spring 14 of the top inner wall fixedly connected with of buffer frame 12, the other end fixed connection of spring 14 is on the surface of interior filtering layer 1.

The working principle is as follows: when the combined filter plate is used, the outer filter layer 3 is firstly arranged at two sides of the inner filter layer 1, then the outer filter layer 3 is fixedly connected with the inner filter layer 1 through the bolt 5, then the guide grooves 15 at two sides of the combined filter plate are inserted into the slide rails at two sides of the plate frame sludge dewatering machine, and the guide rods are respectively penetrated into the limiting rings 8 at four corners so as to improve the stability of the combined filter plate and prevent the combined filter plate from shaking during movement to influence the dewatering effect on sludge; during the dehydration, install a piece stack of this combination formula filter plate on plate frame sludge dewaterer, then pour into between the filter plate with hydrous mud, extrude the filter plate through artifical or hydraulic pressure filter pressing device, after mud received the extrusion of two combination formula filter plates, moisture in the mud can be extruded, and permeate filter cloth 6 and enter into and filter out mouthful 2, another part moisture then enters into along filtering out passageway 11 and filters out hole 10, thereby can separate moisture and mud, and the moisture discharge that will extrude outside the plate frame sludge dewaterer, remaining mud is then squeezed into the mud cake, thereby the dehydration of final completion mud is handled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plate frame sludge dewatering machine is with combination formula filter plate, includes interior filtering layer (1), its characterized in that: the filter is characterized in that a filter outlet (2) is formed in the center of the inner filter layer (1), the two sides of the inner filter layer (1) are provided with outer filter layers (3), the outer filter layers (3) and four corners of the inner filter layer (1) are provided with threaded holes (4), threaded holes (4) are connected with bolts (5) in an inner thread mode, the center of each outer filter layer (3) is provided with one layer of filter cloth (6), two side walls of the inner filter layer (1) are fixedly connected with guide blocks (7), the top end and the bottom end of the inner filter layer (1) are provided with limiting rings (8), outer walls of the limiting rings (8) are fixedly connected with fixing blocks (9), and the other sides of the fixing blocks (9) are fixedly connected with the side walls of the inner filter layer (1).

2. The combined filter plate for the plate-frame sludge dewatering machine according to claim 1, characterized in that: interior filtering layer (1) is the I shape structure, and its both sides all inwards cave in, just a plurality of filtration hole (10), every have all been seted up to the top and the bottom of interior filtering layer (1) the bottom of filtration hole (10) has all been seted up and has been filtered out passageway (11), it is the Y font to filter out passageway (11), and interior filtering layer (1) is run through to its both sides end.

3. The combined filter plate for the plate-frame sludge dewatering machine according to claim 1, characterized in that: the utility model discloses a filter bed, including interior filtering layer (1), the equal fixedly connected with buffering frame (12) in both sides top and bottom of buffering frame (1), the surperficial evenly distributed of buffering frame (12) has a plurality of buffer block (13), just a plurality of spring (14) of the top inner wall fixedly connected with of buffering frame (12), the other end fixed connection of spring (14) is on the surface of interior filtering layer (1).

4. The combined filter plate for the plate-frame sludge dewatering machine according to claim 3, characterized in that: the buffer block (13) is of a hemispherical rubber block structure.

5. The combined filter plate for the plate-frame sludge dewatering machine according to claim 1, characterized in that: the guide block (7) is of a U-shaped structure with a smooth bottom edge, a guide groove (15) is formed in the bottom of the guide block, and a layer of rubber gasket is arranged on the surface of the inner wall of the guide groove (15).