Filter pressing device for sewage treatment

Abstract

The utility model relates to a filter pressing device for sewage treatment, which comprises a first treatment box and a second treatment box, a vertical first filter cartridge is arranged in the first treatment box, a centrifugal stirring component is arranged in the first filter cartridge, and a first water outlet pipe is arranged on the outer side of the first treatment box; a connecting pipe is arranged at the bottom of the first filter cartridge, the connecting pipe is communicated with a second treatment box, a horizontal second filter cartridge is arranged in the second treatment box, a second water outlet pipe is arranged at the bottom of the second treatment box, an extrusion assembly is arranged in the second filter cartridge, a check block is arranged at the end of the second filter cartridge, and a sludge discharge port is formed below the check block. The layered structure of the first treatment box and the second treatment box is adopted, sewage is primarily filtered and centrifugally stirred through the first treatment box and then enters the second treatment box for further filter pressing treatment, impurities with different particle sizes and properties in the sewage can be treated step by step through the layered design, and the sewage treatment efficiency is improved. The sewage treatment efficiency and effect are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field especially sewage treatment is with filter press device. BACKGROUND

[0002] When sewage is treated, filtration is a common method, the simplest filtration method can place a filter plate to filter, and the most commonly used equipment when sewage is treated is filter press and sedimentation tank etc., the filter press is just separated impurity and water in sewage by pressure, the existing sewage treatment filter press usually extrudes sewage after sewage is passed.

[0003] For example: the utility model discloses a kind of sludge filter press devices for sewage treatment, by being provided with guide rod on filter plate, guide rod and the guide groove on pressing plate cooperate so that pressing plate can keep vertical up and down movement, filter cloth is provided below filter plate, filter cloth is provided below movable plate, movable plate moves upwards under the action of hydraulic cylinder, auxiliary filter pressing is carried out to filter cloth, sludge on filter cloth can be filter pressed, but residual sludge is not convenient to clean after the device is filter pressed, and sludge treatment efficiency is lower. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of filter press device for sewage treatment to solve the problems raised in background art.

[0005] The above-mentioned purpose of the utility model is realized by the following technical scheme: a kind of filter press device for sewage treatment, including first processing box and second processing box, the first processing box is arranged at the top of the second processing box, vertically arranged first filter cylinder is provided in the first processing box, centrifugal stirring assembly is provided in the first filter cylinder, first water outlet pipe that is communicated with the clearance between the first filter cylinder and first processing box is provided on the outside of the first processing box;The bottom of the first filter cylinder is provided with connecting pipe, the connecting pipe is communicated with the second processing box, horizontally arranged second filter cylinder is provided in the second processing box, second water outlet pipe that is communicated with the clearance between the second filter cylinder and second processing box is provided at the bottom of the second processing box, extrusion assembly is provided in the second filter cylinder, stop block is provided at the end of the second filter cylinder, and sludge discharge port is provided below the stop block.

[0006] Preferably, the centrifugal stirring assembly includes a stirring shaft arranged vertically in the first filter cylinder, a first drive motor arranged at the end of the stirring shaft, and a stirring rod arranged on the stirring shaft.

[0007] Preferably, the end of the stirring rod is provided with a scraper, and the scraper is attached to the inner wall of the first filter cylinder.

[0008] As preferred, a fixing sleeve is arranged between the second filter cartridge and the second treatment box, the fixing sleeve is sleeved outside the second filter cartridge, and the second filter cartridge is fixed in the second treatment box through the fixing sleeve.

[0009] As preferred, the extrusion assembly comprises an extrusion screw rotatably arranged in the second filter cartridge and a second driving motor arranged at one end of the extrusion screw, and an outer wall of the extrusion screw is attached to an inner wall of the second filter cartridge.

[0010] As preferred, the stopper is movably arranged in the second treatment box, and an end of the second treatment box is provided with a hydraulic cylinder for driving the stopper to move.

[0011] As preferred, a rotating sleeve is arranged at a middle part of the stopper, a far-end of the extrusion screw away from the second driving motor is a light shaft, and the light shaft is inserted into the rotating sleeve.

[0012] As preferred, an end of the rotating sleeve towards the extrusion screw is provided with a baffle, the baffle is attached to an end face of the stopper, and an outer diameter of the baffle is greater than an inner diameter of the second filter cartridge.

[0013] The present application has the following beneficial effects:

[0014] The present application adopts the layered structure of the first treatment box and the second treatment box, the sewage is firstly subjected to preliminary filtration and centrifugal stirring in the first treatment box and then subjected to further pressure filtration treatment in the second treatment box, the layered design can perform step-by-step treatment on impurities with different particle sizes and properties in the sewage, and the efficiency and effect of sewage treatment are improved.

[0015] The stopper at an end of the second filter cartridge and the sludge discharge port are designed, the sludge after pressure filtration can be conveniently discharged in a concentrated manner, accumulation of the sludge in the treatment box is avoided, sludge discharge operation is simplified, and the operation stability of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of an embodiment of the present application;

[0017] Figure 2 is a sectional view of the first treatment box in the embodiment of the present application;

[0018] Figure 3 is a schematic view of an internal structure of the second treatment box in the embodiment of the present application;

[0019] Figure 4 is a sectional view of the second treatment box in the embodiment of the present application;

[0020] In the figure: 1 - first processing box, 2 - second processing box, 3 - first filter cartridge, 4 - centrifugal stirring assembly, 401 - first drive motor, 402 - stirring shaft, 403 - stirring rod, 404 - scraper, 5 - first water outlet pipe, 6 - connecting pipe, 7 - second filter cartridge, 8 - second water outlet pipe, 9 - sludge discharge port, 10 - fixing sleeve, 11 - extrusion screw, 12 - second drive motor, 13 - stop block, 14 - hydraulic cylinder, 15 - rotating sleeve, 16 - baffle. DETAILED DESCRIPTION

[0021] The utility model will be made further detailed explanation in combination with the drawings.

[0022] The specific embodiment is only the explanation of the utility model, and it is not the limitation of the utility model, and the person skilled in the art can make the modification of no creative contribution according to the need after reading the present specification, but as long as in the utility model's claim range all receive the patent law's protection.

[0023] Embodiment: as Figures 1-4 The utility model discloses a filter press device for sewage treatment, including first processing box 1 and second processing box 2, first processing box 1 sets up at the top of second processing box 2, and the first processing box 1 is provided with the vertical first filter cartridge 3 in it, and the clearance is formed between the outer wall of first filter cartridge 3 and the inner wall of first processing box 1, and the micropore is arranged on the surface of first filter cartridge 3.

[0024] The centrifugal stirring assembly 4 is arranged in the first filter cartridge 3, and the centrifugal stirring assembly 4 comprises a stirring shaft 402 arranged vertically in the first filter cartridge 3, a first drive motor 401 arranged at the end of the stirring shaft 402 and a stirring rod 403 arranged on the stirring shaft 402. The first drive motor 401 is fixedly installed on the box cover 2 of the first processing box 1, and the stirring shaft 402 is rotatably installed in the first filter cartridge 3.

[0025] The stirring rod 403 is circumferentially distributed and vertically spaced.

[0026] The end of the stirring rod 403 is provided with a scraper 404, and the scraper 404 is attached to the inner wall of the first filter cartridge 3 to prevent the sludge from adhering to the inner wall of the first filter cartridge 3 and blocking the micropore.

[0027] The first water outlet pipe 5 is arranged on the outer side of the first processing box 1, and the first water outlet pipe 5 is close to the bottom of the first processing box 1, and the first water outlet pipe 5 is communicated with the clearance between the first filter cartridge 3 and the first processing box 1. After the centrifugal stirring assembly 4 stirs the slurry in the first filter cartridge 3, the water filtered through the micropore enters the clearance between the first filter cartridge 3 and the first processing box 1, and is discharged through the first water outlet pipe 5, to complete the preliminary filtration.

[0028] The bottom of the first filter cylinder 3 is provided with a connecting pipe 6 which is communicated with the second treatment tank 2, and a control valve is installed on the connecting pipe 6.

[0029] A horizontal second filter cylinder 7 is arranged in the second treatment tank 2, the connecting pipe 6 extends into the second filter cylinder 7, and the surface of the second filter cylinder 7 is provided with micropores. A gap is formed between the outer wall of the second filter cylinder 7 and the inner wall of the second treatment tank 2. A fixing sleeve 10 is arranged between the second filter cylinder 7 and the second treatment tank 2, the fixing sleeve 10 is sleeved on the outer side of the second filter cylinder 7, and the second filter cylinder 7 is fixed in the second treatment tank 2 through the fixing sleeve 10.

[0030] The bottom of the second treatment tank 2 is provided with a second water outlet pipe 8 which is communicated with the gap between the second filter cylinder 7 and the second treatment tank 2.

[0031] The second filter cylinder 7 is provided with an extrusion assembly, which comprises an extrusion screw 11 rotatably arranged in the second filter cylinder 7 and a second driving motor 12 arranged at one end of the extrusion screw 11, and the outer wall of the extrusion screw 11 is attached to the inner wall of the second filter cylinder 7.

[0032] An end of the second filter cylinder 7 is provided with a stop block 13 which is located at the outlet end of the second filter cylinder 7.

[0033] The end of the second treatment tank 2 away from the second driving motor 12 is provided with a sludge discharge port 9 which is located below the stop block 13.

[0034] The stop block 13 is movably arranged in the second treatment tank 2, and the end of the second treatment tank 2 is provided with a hydraulic cylinder 14 which drives the stop block 13 to move.

[0035] The middle part of the stop block 13 is provided with a rotating sleeve 15, and the end of the extrusion screw 11 away from the second driving motor 12 is a light shaft which is inserted into the rotating sleeve 15.

[0036] The end of the rotating sleeve 15 facing the extrusion screw 11 is provided with a baffle 16 which is attached to the end face of the stop block 13, and the outer diameter of the baffle 16 is greater than the inner diameter of the second filter cylinder 7.

[0037] When the preliminarily filtered sludge enters the second filter cylinder 7, it is extruded by the extrusion screw 11, in this process, the stop block 13 is blocked at the end of the second filter cylinder 7, and a certain pressure is maintained through the hydraulic cylinder 14, so that the sludge is extruded, the water is separated through the micropores 2 of the second filter cylinder 7 into the gap between the second filter cylinder 7 and the second treatment tank 2, and is discharged through the second water outlet pipe 8. Then the stop block 13 moves away from the second filter cylinder 7, so that the sludge discharge port 9 is opened, and the sludge is discharged through the sludge discharge port 9.

Claims

1. A filter press device for sewage treatment, comprising a first treatment tank (1) and a second treatment tank (2), the first treatment tank (1) being disposed above the second treatment tank (2), characterized in that, The first processing box (1) is provided with a vertical first filter cylinder (3), the first filter cylinder (3) is provided with a centrifugal stirring assembly (4), and the first processing box (1) is provided with a first water outlet pipe (5) communicated with the interspace between the first filter cylinder (3) and the first processing box (1); the bottom of the first filter cylinder (3) is provided with a connecting pipe (6) communicated with the second processing box (2), the second processing box (2) is provided with a horizontal second filter cylinder (7), the bottom of the second processing box (2) is provided with a second water outlet pipe (8) communicated with the interspace between the second filter cylinder (7) and the second processing box (2), the second filter cylinder (7) is provided with an extrusion assembly, and the end of the second filter cylinder (7) is provided with a stop block (13), and the lower portion of the stop block (13) is provided with a sludge discharge port (9).

2. The filter press device for sewage treatment according to claim 1, characterized in that: The centrifugal stirring assembly (4) comprises a stirring shaft (402) vertically arranged in the first filter cylinder (3), a first driving motor (401) arranged at the end of the stirring shaft (402), and a stirring rod (403) arranged on the stirring shaft (402).

3. The filter press device for sewage treatment according to claim 2, characterized in that: The end of the stirring rod (403) is provided with a scraper (404) abutting against the inner wall of the first filter cylinder (3).

4. The filter press apparatus for sewage treatment according to claim 1, characterized in that: The second filter cylinder (7) and the second processing box (2) are provided with a fixing sleeve (10), the fixing sleeve (10) is sleeved on the outer side of the second filter cylinder (7), and the second filter cylinder (7) is fixed in the second processing box (2) through the fixing sleeve (10).

5. The filter press apparatus for sewage treatment according to claim 1, characterized in that: The extrusion assembly comprises an extrusion screw (11) rotatably arranged in the second filter cylinder (7) and a second driving motor (12) arranged at one end of the extrusion screw (11), and the outer wall of the extrusion screw (11) abuts against the inner wall of the second filter cylinder (7).

6. The filter press apparatus for sewage treatment according to claim 5, characterized in that: The stop block (13) is movably arranged in the second processing box (2), and the end of the second processing box (2) is provided with a hydraulic cylinder (14) for driving the stop block (13) to move.

7. The filter press apparatus for sewage treatment according to claim 6, characterized in that: The middle portion of the stop block (13) is provided with a rotating sleeve (15), one end of the extrusion screw (11) away from the second driving motor (12) is a light shaft, and the light shaft is inserted into the rotating sleeve (15).

8. The filter press apparatus for sewage treatment according to claim 7, characterized in that: One end of the rotating sleeve (15) towards the extrusion screw (11) is provided with a baffle (16) abutting against the end face of the stop block (13), and the outer diameter of the baffle (16) is greater than the inner diameter of the second filter cylinder (7).

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