Centrifugal small-sized sludge dewatering equipment

By sewing cross-shaped geotextiles into geotextile bags and using hanging straps to restrict their position, the problem of sludge forming large clumps in the geotextile bags was solved, achieving sludge segmentation and improving equipment stability, thus facilitating sludge transfer.

CN223752618UActive Publication Date: 2026-01-02CHANGCHUN URBAN CONSTR & MAINTENANCE GRP CO LTD
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Patent Information

Application Number
CN202423247830.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-01-02
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

In existing centrifugal sludge dewatering equipment, the sludge in the geotextile bags forms large clumps, which is inconvenient for subsequent handling.

Method used

A centrifugal small-scale sludge dewatering device is designed. By sewing cross-shaped geotextiles into geotextile bags and hanging them on hooks with straps, the relative position of the geotextile bags and inner cylinders is restricted, forming multiple small clumps of sludge, which are then separated under centrifugal force.

Benefits of technology

It effectively divides sludge into multiple small clumps, making sludge transfer easier and improving operational convenience and equipment stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides small centrifugal sludge dewatering equipment which comprises a stirring barrel, a barrel cover is mounted at the upper end of the stirring barrel, a speed reducing motor is mounted on the upper surface of the barrel cover, a stirrer is mounted on an output shaft of the speed reducing motor, two discharge valves are mounted at the bottom of the stirring barrel through a three-way pipe, and a centrifugal machine is arranged on the lower side of the stirring barrel. Three connecting rods are installed on one side of the outer surface of the stirring barrel, the lower ends of the connecting rods are fixedly connected with a centrifugal machine, an inner barrel driven by a motor is installed in the centrifugal machine, a geotechnical cloth bag is arranged in the inner barrel, cross-shaped geotechnical cloth is sewn in the geotechnical cloth bag, and four hooks are evenly installed on the upper surface of the inner barrel. A hanging belt is hung on the hook, the hanging belt is connected with the cross-shaped geotechnical cloth in a sewing mode, a drain valve is installed on the lower portion of the outer surface of the centrifugal machine, and the sludge conveying device has the advantages that sludge in the geotechnical cloth bag is divided into a plurality of small balls, and sludge conveying is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a centrifugal small -size sludge dewatering equipment belongs to sludge dewatering field. BACKGROUND

[0002] Centrifugal sludge dewatering is a commonly used sludge treatment technology, and water in sludge is separated out through centrifugal force generated by high-speed rotation, so that sludge is reduced and recycled. After flocculation, the sludge-containing sewage is added to the geotextile bag in the centrifuge, and when the inner cylinder in the centrifuge rotates under the driving of the motor, the water in the sludge in the geotextile bag is separated from the sludge under the action of centrifugal force, and at this time the sludge is intercepted in the geotextile bag. When the centrifugal dewatering is completed, the sludge in the geotextile bag will form a large group, which is not conducive to the later moving operation, so a centrifugal small -size sludge dewatering equipment for dividing the sludge in the geotextile bag into multiple small groups is needed. CONTENT OF THE UTILITY MODEL

[0003] In view of the deficiencies existing in the prior art, the utility model aims to provide a centrifugal small -size sludge dewatering equipment to solve the problems in the above background art, which divides the sludge in the geotextile bag into multiple small groups, and facilitates the moving of the sludge.

[0004] In order to achieve the above object, the utility model is realized by the following technical scheme: a centrifugal small -size sludge dewatering equipment, including the stirring barrel, the stirring barrel upper end is installed with the barrel cover, the barrel cover upper surface is equipped with two feeding openings, the barrel cover upper surface is installed with the speed reducer motor, the speed reducer motor output shaft is installed with the stirrer, the stirrer is arranged in the stirring barrel, the stirring barrel bottom is installed with two discharge valves through the tee joint, the discharge valve is installed with the downward bending elbow away from the tee joint one end, the stirring barrel lower side is equipped with the centrifuge, the stirring barrel outer surface one side is installed with three connecting rods, the connecting rod lower end is connected with the centrifuge and is fixed, the centrifuge is installed with the inner cylinder driven by the motor, the inner cylinder surface is evenly equipped with a plurality of small holes, the inner cylinder is equipped with the geotextile bag, the geotextile bag is sewn with the cross geotextile, the inner cylinder upper surface is evenly installed with four hooks, the hook is hung with the hanging belt, the hanging belt is sewn with the cross geotextile and is connected, the centrifuge outer surface lower part position is installed with the drain valve.

[0005] Further, one connecting rod in the middle of the three connecting rods is installed with a water storage box, the water storage box upper end is open, and the water storage box bottom is installed with a ball valve.

[0006] Further, two connecting plates are symmetrically arranged on one side of the water storage box, and a positioning plate is fixedly connected to one end of the connecting plate away from the water storage box, an arc-shaped plate is arranged on one side of the positioning plate, the arc-shaped plate is fixedly connected with the stirring barrel, and the positioning plate is connected with the arc-shaped plate through multiple screws.

[0007] Further, a detachable U-shaped frame is arranged at the middle position of the upper surface of the barrel cover, the speed reducer motor is arranged on the upper surface of the U-shaped frame, and the output shaft of the speed reducer motor penetrates the U-shaped frame.

[0008] Further, a chassis is arranged at the bottom of the centrifugal machine, and multiple universal brake wheels are uniformly arranged on the lower surface of the chassis.

[0009] Further, a connecting ring fixedly connected with the stirring barrel is arranged on the upper end of the stirring barrel, the barrel cover is connected with the connecting ring through multiple bolts, and the connecting rod is fixedly connected with the connecting ring.

[0010] The centrifugal machine has the advantages that:

[0011] 1. The discharge valve is closed, then the muddy sewage and the flocculating agent are added into the stirring barrel through the feeding opening, the stirrer is driven to rotate in the stirring barrel by the speed reducer motor, the muddy sewage and the flocculating agent are mixed, the muddy sewage is in a flocculated state in the sewage, the discharge valve is opened, the sewage is discharged into the geotextile bag, the geotextile bag rotates when the inner cylinder of the centrifugal machine is driven to rotate by the motor, and therefore the water in the muddy sewage in the geotextile bag is discharged under the action of the centrifugal force, and then the discharged water is discharged through the drainage valve.

[0012] 2. The cross geotextile is sewn in the geotextile bag, then the hanging belt on the cross geotextile is hung on the corresponding hook, the relative position of the geotextile bag and the inner cylinder is limited, the muddy sewage is divided into four groups after centrifugal dewatering under the blockage of the cross geotextile, and the muddy sewage in the geotextile bag is divided into multiple small groups, compared with forming one large group of muddy sewage in the geotextile bag, the muddy sewage is convenient to move.

[0013] 3. The three connecting rods are arranged on one side of the surface of the stirring barrel, so that a large operation space for taking out the geotextile bag is formed on the side of the centrifugal machine away from the connecting rod, water is added into the water storage box, so that the water storage box and the water in the water storage box play the role of counterweight, the stress balance of the two sides of the connecting rod is improved, and the stability of the structure is improved.

[0014] 4. The screw is screwed through the positioning plate and is screwed with the arc-shaped plate, the connection between the connecting plate and the stirring barrel is completed, the stability of the water storage box installation is improved, and the thickness of the screw part of the stirring barrel installation is locally increased. BRIEF DESCRIPTION OF DRAWINGS

[0015] Other features, objects, and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments thereof, when read in conjunction with the following drawings:

[0016] Figure 1 It is a structural schematic view of the centrifugal small sludge dewatering equipment of the application;

[0017] Figure 2 It is another perspective view of the centrifugal small sludge dewatering equipment of the application;

[0018] Figure 3 It is an assembly schematic view of the centrifugal small sludge dewatering equipment of the application;

[0019] Figure 4 It is an assembly schematic view of the centrifugal small sludge dewatering equipment of the application;

[0020] In the figure: 1 - stirring barrel, 2 - barrel cover, 3 - U-shaped frame, 4 - speed reducer, 5 - water storage box, 6 - connecting plate, 7 - screw, 8 - positioning plate, 9 - arc plate, 10 - connecting rod, 11 - centrifuge, 12 - drainage valve, 13 - cross geotextile, 14 - discharge valve, 15 - hook, 16 - geotextile bag, 17 - hanging belt, 18 - inner cylinder, 19 - stirrer. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects achieved by the application easy to understand, the application will be further described below in conjunction with specific embodiments.

[0022] Please refer to Figure 1 , Figure 2 and Figure 4 , the application provides a technical scheme: a centrifugal small sludge dewatering equipment, comprising a stirring barrel 1, a barrel cover 2 is installed on the upper end of the stirring barrel 1, two feeding openings are formed on the upper surface of the barrel cover 2, a speed reducer 4 is installed on the upper surface of the barrel cover 2, a stirrer 19 is installed on the output shaft of the speed reducer 4, wherein a detachable U-shaped frame 3 is installed on the middle position of the upper surface of the barrel cover 2, the speed reducer 4 is installed on the upper surface of the U-shaped frame 3, the output shaft of the speed reducer 4 penetrates the U-shaped frame 3, the U-shaped frame 3 serves to connect the speed reducer 4 and the barrel cover 2, the stirrer 19 is arranged in the stirring barrel 1, a connecting ring connected and fixed with the stirring barrel 1 is sleeved on the upper end of the stirring barrel 1, the barrel cover 2 is connected with the connecting ring through a plurality of bolts, the connecting ring facilitates the disassembly and assembly of the barrel cover 2 and the stirring barrel 1, the upper end of the connecting rod 10 is connected and fixed with the connecting ring, and the stability of the connecting rod 10 and the stirring barrel 1 is improved.

[0023] Please refer to Figures 1-4, the bottom of the stirring barrel 1 is provided with two discharge valves 14 through a tee pipe, the end of the discharge valve 14 away from the tee pipe is provided with a downward bending elbow, the lower side of the stirring barrel 1 is provided with a centrifugal machine 11, the outer surface of the stirring barrel 1 is provided with three connecting rods 10 on one side, the lower end of the connecting rod 10 is connected with the centrifugal machine 11, the bottom of the centrifugal machine 11 is provided with a bottom plate, the lower surface of the bottom plate is uniformly provided with a plurality of universal brake wheels, the centrifugal machine 11 is provided with an inner cylinder 18 driven by a motor, a plurality of small holes are uniformly arranged on the surface of the inner cylinder 18, the inner cylinder 18 is provided with a geotextile bag 16, a cross geotextile 13 is sewn in the geotextile bag 16, four hooks 15 are uniformly arranged on the upper surface of the inner cylinder 18, a hanging belt 17 is hung on the hook 15, the hanging belt 17 is connected with the cross geotextile 13, a drainage valve 12 is arranged on the lower part of the outer surface of the centrifugal machine 11, the discharge valve 14 is closed, then the muddy sewage and the flocculating agent are added into the stirring barrel 1 through the feeding port, the stirrer 19 is driven to rotate in the stirring barrel 1 by the reduction motor 4, the muddy sewage and the flocculating agent are stirred and mixed, so that the sludge is in the sewage in a flocculation state, after the discharge valve 14 is opened, the sewage is discharged into the geotextile bag 16, when the motor in the centrifugal machine 11 drives the inner cylinder 18 to rotate, the geotextile bag 16 also rotates, so that the water in the sludge in the geotextile bag 16 is discharged under the action of centrifugal force, then the discharged water is discharged through the drainage valve 12, the cross geotextile 13 is sewn in the geotextile bag 16, then the hanging belt 17 on the cross geotextile 13 is hung on the corresponding hook 15, so that the relative position of the geotextile bag 16 and the inner cylinder 18 is limited, under the blockage of the cross geotextile 13, the sludge is formed into four groups after centrifugal dewatering, so that the sludge in the geotextile bag 16 is divided into a plurality of small groups, compared with forming a large group of sludge in the geotextile bag 16, the sludge is convenient to move.

[0024] Referring to Figures 1-3 , the water storage box 5 is arranged on the middle one of the three connecting rods 10, the upper end of the water storage box 5 is open, the bottom of the water storage box 5 is provided with a ball valve, two connecting plates 6 are symmetrically arranged on one side of the water storage box 5, the end of the connecting plate 6 away from the water storage box 5 is connected with a positioning plate 8, one side of the positioning plate 8 is provided with an arc plate 9, the arc plate 9 is connected with the stirring barrel 1, the positioning plate 8 is connected with the arc plate 9 through a plurality of screws 7, so that the three connecting rods 10 are arranged on one side of the surface of the stirring barrel 1, so that there is a large operation space for taking out the geotextile bag 16 on the side of the centrifugal machine 11 away from the connecting rod 10, water is added into the water storage box 5, so that the water storage box 5 and the water inside it play the role of counterweight, so that the two sides of the connecting rod 10 are balanced, the stability of the structure is improved, the screw 7 is screwed with the arc plate 9 after penetrating through the positioning plate 8, the connection between the connecting plate 6 and the stirring barrel 1 is completed, on the one hand, the stability of the installation of the water storage box 5 is improved, on the other hand, the thickness of the part of the stirring barrel 1 where the screw 7 is installed is locally increased.

[0025] Although the present specification is described in terms of embodiments, not every embodiment exhibits every characteristic or implements every combination of features described in the present specification. In addition, not every embodiment includes every embodiment described in the present specification. The description herein of any embodiment, including any preferred embodiment, is thus intended to be illustrative, and not restrictive. The scope of the present application is thus intended to be broad, and will be set forth in the following claims.

Claims

1. A centrifugal small-scale sludge dewatering device, comprising a mixing tank (1), characterized in that: The mixing tank (1) is fitted with a lid (2) at its upper end. Two feeding ports are located on the upper surface of the lid (2). A geared motor (4) is mounted on the upper surface of the lid (2). A stirrer (19) is mounted on the output shaft of the geared motor (4). The stirrer (19) is located inside the mixing tank (1). Two discharge valves (14) are installed at the bottom of the mixing tank (1) via a three-way pipe. A downward-curved elbow is installed at the end of each discharge valve (14) away from the three-way pipe. A centrifuge (11) is located on the lower side of the mixing tank (1). Three connecting rods (10) are mounted on one side of the outer surface of the mixing tank (1). The lower end of the connecting rod (10) is connected and fixed to the centrifuge (11). The centrifuge (11) is equipped with an inner cylinder (18) driven by a motor. The inner cylinder (18) has multiple small holes evenly opened on its surface. The inner cylinder (18) is equipped with a geotextile bag (16). The geotextile bag (16) is sewn with a cross geotextile (13). The upper surface of the inner cylinder (18) is evenly equipped with four hooks (15). The hooks (15) are hung with a hanging strap (17). The hanging strap (17) is sewn to the cross geotextile (13). A drain valve (12) is installed at the lower part of the outer surface of the centrifuge (11).

2. The centrifugal small-scale sludge dewatering equipment according to claim 1, characterized in that: A water storage box (5) is installed on the middle of the three connecting rods (10). The upper end of the water storage box (5) is open, and a ball valve is installed at the bottom of the water storage box (5).

3. The centrifugal small-scale sludge dewatering equipment according to claim 2, characterized in that: Two connecting plates (6) are symmetrically installed on one side of the water storage box (5). A positioning plate (8) is fixed to the end of the connecting plate (6) away from the water storage box (5). An arc plate (9) is provided on one side of the positioning plate (8). The arc plate (9) is fixed to the mixing tank (1). The positioning plate (8) is connected to the arc plate (9) by multiple screws (7).

4. The centrifugal small-scale sludge dewatering equipment according to claim 1, characterized in that: A detachable U-shaped frame (3) is installed at the middle of the upper surface of the bucket lid (2), and the geared motor (4) is installed on the upper surface of the U-shaped frame (3). The output shaft of the geared motor (4) passes through the U-shaped frame (3).

5. A centrifugal small-scale sludge dewatering device according to claim 1, characterized in that: The centrifuge (11) is equipped with a chassis at the bottom, and multiple universal brake wheels are evenly installed on the lower surface of the chassis.

6. A centrifugal small-scale sludge dewatering device according to claim 1, characterized in that: The upper end of the mixing tank (1) is fitted with a connecting ring that is fixed to the mixing tank (1). The tank cover (2) is connected to the connecting ring by multiple bolts. The upper end of the connecting rod (10) is fixed to the connecting ring.