Gravity mud-water separation device

Abstract

The utility model relates to a gravity mud-water separation device, which belongs to the technical field of sludge treatment and comprises a mud-water hopper, the top surface and the bottom surface of the mud-water hopper are opened, and a filter component is mounted in the mud-water hopper and is rotatably connected with the mud-water hopper through a rotating shaft; the filtering assembly is driven by a power motor; a backwashing device is arranged on the rear side of the muddy water hopper and is used for cleaning the filtering assembly; the filtering assembly comprises a water filtering plate, a plurality of water filtering boxes are fixedly mounted on the water filtering plate, and the size of the water filtering plate is the same as that of a bottom opening of the muddy water hopper; according to the utility model, the permeation area of filtered water is increased, the water permeation efficiency in the mud-water separation process is improved, the operation convenience and the working efficiency are improved, the blockage caused by long-term use is avoided, the operation stability of equipment is ensured, the maintenance frequency and difficulty are reduced, and the cost of the whole sludge treatment process is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gravity sludge water separation device belongs to sludge treatment technical field. BACKGROUND

[0002] Generally, the hazardous waste sludge is transmitted to the plate and frame filter press for pressure filtration treatment after flocculation, and then the sludge cake filtered out is cut into strips for low-temperature drying treatment, and finally incinerated. However, the hazardous waste sludge directly fished out from the sludge pool or the hazardous waste sludge with many impurities cannot enter the plate and frame filter press for pressure filtration treatment, but since the water content is high, if it is directly sent to the incineration equipment for incineration treatment, it will bring great treatment pressure to the incineration equipment, causing the treatment cost to increase substantially.

[0003] The utility model discloses a gravity sludge water separation device discloses a kind of gravity sludge water separation devices, including support, sludge water separation tank, multiple filter water boxes and filter water plugboard, sludge water separation tank is fixed on support, multiple filter water box guide rails are fixed on the inner wall of sludge water separation tank, each filter water box is U-shaped structure and is equipped with multiple filter water holes on two filter water box side plates, filter water box is installed in corresponding filter water box guide rail with opening downward and upside down, the top of filter water box is respectively fixed with limit plate, filter water box clearance is left between adjacent filter water boxes and filter water box clearance is greater than filter water box width, filter water plugboard is inserted in sludge water separation tank discharge port, and the upper surface of multiple filter water box bottom is contacted with filter water plugboard;The device provided by the utility model can well dehydrate the hazardous waste sludge that cannot enter the plate and frame filter press for treatment, reduce the treatment pressure of incineration equipment, and reduce the treatment cost of sludge;The utility model solves the above problems to some extent, but it is inconvenient to clean filter water box and filter water plugboard, and clogging may occur after long-term use, affecting filtration and separation effect. UTILITY MODEL CONTENTS

[0004] According to the deficiencies in the prior art, the utility model solves the technical problems: to provide a gravity sludge water separation device, which is convenient for sludge discharge and has automatic cleaning function, to avoid the problem of filter plate clogging caused by long-term use.

[0005] The gravity sludge water separation device, comprising a sludge water bucket, the top and bottom surfaces of the sludge water bucket are open, a filter assembly is installed in the sludge water bucket, the filter assembly is used for filtering sludge water, and the filter assembly is rotatably connected to the sludge water bucket through a rotating shaft; the filter assembly is driven by a power motor and can rotate around the rotating shaft; a backflushing device is arranged at the rear side of the sludge water bucket, and the backflushing device is used for cleaning the filter assembly; the filter assembly comprises a filter plate, a plurality of filter boxes are fixedly installed on the filter plate, and the filter plate and the bottom surface opening of the sludge water bucket have the same size.

[0006] The utility model discloses a technical scheme for providing a gravity sludge-water separation device, when normally used, sludge-water enters a sludge bucket through a top opening, and the sludge is intercepted by a filter assembly, while the water passes through the filter assembly and falls into a lower treatment device; when it is necessary to discharge sludge or clean, the filter assembly is driven by a power motor, and is turned upside down to be directly below a backwashing device, so that the sludge naturally falls and is discharged, and the filter assembly is backwashed by the backwashing device.

[0007] Preferably, the backwashing device comprises a flushing main pipe connected with a high-pressure water source, and the flushing main pipe is provided with a plurality of branch pipes, and a spray head is installed at the end of each branch pipe.

[0008] Preferably, the power motor is fixed on the sludge bucket, a driving gear is sleeved on the output shaft of the power motor, and a driven gear is sleeved on the rotating shaft, and the driving gear is engaged with the driven gear.

[0009] Preferably, the water filter box is a hollow structure with an open lower part, and a plurality of water filter holes are uniformly distributed on the two side surfaces of the water filter box, so that the water permeation area is increased, and the water permeation efficiency is improved.

[0010] Further, an arc surface is arranged on one side of the water filter box to prevent interference between the filter assembly and the inner wall of the sludge bucket when the filter assembly is turned upside down.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The plurality of water filter boxes increase the water permeation area, thereby improving the water permeation efficiency in the sludge-water separation process;

[0013] 2. The driving gear and the driven gear system driven by the power motor are designed, so that the water filter plate can be rotated when necessary, the dewatered sludge can be conveniently discharged, and the operation convenience and working efficiency are improved;

[0014] 3. The backwashing device integrated with the external high-pressure water source can effectively clean the water filter plate and the water filter box when the water filter plate stops working and turns to a horizontal state, avoids the blocking problem possibly caused after long-term use, and ensures the filtering and separating effects and stability during long-time operation of the equipment;

[0015] 4. The self-cleaning mechanism reduces the need for manual cleaning, reduces the maintenance frequency and difficulty, and thereby reduces the overall operating cost;

[0016] 5. The dangerous waste sludge with high water content and many impurities has good treatment capacity, solves the problem that such sludge cannot directly enter the plate-and-frame filter press, reduces the pressure of the subsequent incineration equipment, and helps to reduce the cost of the entire sludge treatment process. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 This is one of the structural schematic diagrams of this utility model in the filtering state;

[0018] Fig. 2 This is the second structural schematic diagram of the present invention in the filtering state;

[0019] Fig. 3 This is a schematic diagram of the structure of this utility model in the backwashing state;

[0020] Fig. 4 This is an exploded view of this utility model.

[0021] In the diagram: 1. Mud hopper; 2. Filter assembly; 21. Filter plate; 22. Filter box; 221. Arc-shaped surface; 3. Backwashing device; 31. Main flushing pipe; 32. Branch pipe; 33. Spray head; 4. Power motor; 5. Drive gear; 6. Driven gear; 7. Rotating shaft. Detailed Implementation

[0022] The present invention will be further described below with reference to specific embodiments.

[0023] However, the description of this utility model is only a structural or even functional description of the embodiments, and the scope of the present utility model is not limited by the embodiments described herein.

[0024] For example, multiple embodiments may have various modifications and forms, and it should be understood that the scope of this utility model includes equivalents that can realize the technical concept.

[0025] like Figs. 1-4 As shown, this embodiment is achieved through the following technical solution: it includes a mud-water hopper 1 with openings on the top and bottom surfaces. A filter assembly 2 is installed in the mud-water hopper 1 to filter the mud-water. The filter assembly 2 is rotatably connected to the mud-water hopper 1 via a rotating shaft 7. The filter assembly 2 is driven by a power motor 4 and can rotate around the rotating shaft 7. A backwashing device 3 is provided on the rear side of the mud-water hopper 1 to clean the filter assembly 2. The filter assembly 2 includes a filter plate 21 with several filter boxes 22 fixedly installed on it. The filter plate 21 has the same opening size as the bottom surface of the mud-water hopper 1.

[0026] The backflushing device 3 comprises a flushing main pipe 31 connected with a high-pressure water source, the flushing main pipe 31 is provided with a plurality of branch pipes 32, and a spray head 33 is installed at the end of the branch pipe 32. The power motor 4 is fixed on the mud bucket 1, the power motor 4 is a step-down motor, so that the rotation angle of the power motor 4 can be controlled and a larger output torque can be provided; a driving gear 5 is sleeved on the output shaft of the power motor 4, a driven gear 6 is sleeved on the rotating shaft 7, and the driving gear 5 is engaged with the driven gear 6. The water filtering box 22 is a hollow structure with an open lower part, a plurality of water filtering holes are uniformly distributed on the two side surfaces of the water filtering box 22, the water filtering box 22 can increase the water permeation area and improve the water permeation efficiency. An arc surface 221 is arranged on one side of the water filtering box 22, so that the filter assembly 2 is prevented from interfering with the inner wall of the mud bucket 1 when the filter assembly 2 is turned over.

[0027] The use method of the utility model is:

[0028] During normal operation, the mud-water mixture is added into the mud bucket 1, and then the mud-water mixture fills the inner water filtering boxes 22 in the mud bucket, under the filtering effect of the water filtering boxes 22 and the water filtering plates 21, the sludge is intercepted, and the water passes through the water filtering holes on the water filtering boxes 22 and the water filtering plates 21 and falls into the lower treatment device;

[0029] When the water filtering is completed and the sludge needs to be discharged, the power motor 4 drives the driving gear 5 to rotate, the driving gear 5 drives the driven gear 6 to rotate, the driven gear 6 drives the filter assembly 2 to rotate as a whole, so that the sludge is discharged under the action of gravity; then the power motor 4 drives the driving gear 5 to continue to rotate, and when the water filtering plate 21 rotates to the horizontal state, the rotation is stopped, the external high-pressure water source supplies water to the flushing main pipe 31, the water is sprayed downward by the spray head 33 through the branch pipe 32, the water filtering plate 21 and the water filtering box 22 are backflushed, and then the filter assembly 2 is cleaned, so that the filter assembly 2 is prevented from being blocked after long-term use and the mud-water separation effect is affected.

[0030] Of course, the above content is only a preferred embodiment of the utility model, and cannot be considered as limiting the scope of the embodiment of the utility model. The utility model is not limited to the above examples, and the equivalent changes and improvements made by ordinary technical personnel in the essential range of the utility model should be attributed to the patent coverage range of the utility model.

Claims

1. A gravity slurry separation device, characterized by, The mud bucket (1) is provided with an opening on the top and bottom surfaces, and a filter assembly (2) is installed in the mud bucket (1) and is rotatably connected to the mud bucket (1) through a rotating shaft (7); the filter assembly (2) is driven by a power motor (4); the rear side of the mud bucket (1) is provided with a backwashing device (3); the filter assembly (2) comprises a water filtering plate (21) on which a plurality of water filtering boxes (22) are fixedly installed, and the water filtering plate (21) has the same size as the bottom opening of the mud bucket (1).

2. The gravity slurry water separation device of claim 1, wherein, The backwashing device (3) comprises a flushing main pipe (31) connected to a high-pressure water source, and the flushing main pipe (31) is provided with a plurality of branch pipes (32) at the ends of which spray heads (33) are installed.

3. The gravity sludge-water separation device of claim 1, wherein The power motor (4) is fixed to the mud bucket (1), a driving gear (5) is sleeved on the output shaft of the power motor (4), and a driven gear (6) is sleeved on the rotating shaft (7), and the driving gear (5) is engaged with the driven gear (6).

4. The gravity sludge-water separation device of claim 1, wherein The water filtering box (22) has a hollow structure with an opening at the lower part, and a plurality of water filtering holes are uniformly distributed on the two side surfaces of the water filtering box (22).

5. The gravity sludge-water separation device of claim 4, wherein, One side of the water filtering box (22) is provided with an arc surface (221).

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