CN213924454U

CN213924454U - Belt sludge dewatering device

Info

Publication number: CN213924454U
Application number: CN202022484271.2U
Authority: CN
Inventors: 周安; 龚仁达
Original assignee: Jiangsu Pulisu Environmental Protection Technology Co ltd
Current assignee: Jiangsu Pulisu Environmental Protection Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-08-10
Anticipated expiration: 2030-11-02

Abstract

A belt type sludge dewatering device comprises a sludge homogenizing device, a sludge pressing dewatering device, a base table, a sludge collecting hopper and an electric control cabinet, wherein the sludge homogenizing device, the sludge pressing device, the sludge collecting hopper and the electric control cabinet are sequentially arranged along a sludge transmission direction; the mud pressing dewatering device is a conveying system consisting of a third roller, a fifth roller, a sixth roller and a second filter cloth belt which are horizontally arranged in parallel, wherein the fourth roller is arranged right above the fifth roller, two ends of a central rotating shaft of the third roller are respectively arranged on a second vertical frame, the third roller is positioned below a space between the first roller and the second roller, and a mud collecting hopper in the middle is arranged at the lower part of the sixth roller. The device has the characteristics of simple structure and stable performance.

Description

Belt sludge dewatering device

Technical Field

The utility model relates to a sewage treatment field specifically is used for the dehydration of sewage to handle.

Background

The belt type sludge dewatering machine has the characteristics of low sludge water content, small energy consumption of equipment, relatively simple management and control and the like, and is widely applied to most domestic sewage treatment plants in recent decades. However, the problems that the filter belt deviation often occurs in the actual operation of the equipment, the equipment is shut down, the blanking is not complete after the sludge feeding is not uniformly dehydrated and the like exist, so that the operation stability and the discharging uniformity of the belt type sludge dehydrating device are further improved, which is a problem to be solved urgently at present

A conventional patent (application No. CN 200810096521.6) discloses a belt-type sludge dewatering machine including a pair of filter cloths for separating sludge cakes and pressing each other in a transfer path, a main body frame, and a plurality of roller auxiliary materials arranged along a transfer direction of the filter cloths on the main body frame, wherein: the roller is provided with a hairbrush roller part for brushing the surface of the filter cloth between the roller auxiliary materials, and at least one washing unit is arranged behind the mud cake separation field in the filter cloth transferring path. The belt type sludge dewatering machine adopts the structure, so that the water consumption for cleaning the filter cloth of the belt type sludge dewatering machine is greatly reduced. However, the filter belt cloth is too long, and the phenomenon of filter cloth deviation and shutdown cannot be avoided in the long-time roller rotation process.

Disclosure of Invention

The utility model aims at providing a belt sludge dewatering device with simple structure and stable performance aiming at the defects of the prior device.

The implementation of this specifically, a belt sludge dewatering device, including equal mud device, mud pressing dewatering device, base platform, collection mud fill, automatically controlled cabinet, be equal mud device, mud pressing device, collection mud fill and automatically controlled cabinet in proper order along mud transmission direction, wherein equal mud device installs at the base platform through a vertical frame, and mud pressing device is fixed at the base platform through No. two vertical frames and No. three vertical frames, and collection mud fill and automatically controlled cabinet are installed at the base platform, its characterized in that: the mud homogenizing device is a transmission system consisting of a first roller, a second roller and a first filter cloth belt which are horizontally arranged in parallel, two ends of a central rotating shaft of the first roller are arranged at the top ends of a pair of first vertical frames, two identical first transverse frames are arranged on the side edges of the top ends of the first vertical frames, and the other ends of the two first transverse frames are connected with two ends of the central rotating shaft of the second roller; a first transmission belt is arranged on two sides of a central rotating shaft of the first roller to drive the second roller to rotate, a horizontal net rack is arranged above the surface of the first filter cloth belt, and two sides of the net rack are fixed on one side of the first transverse rack; the mud-pressing dewatering device comprises a conveying system consisting of a third roller, a fifth roller, a sixth roller and a second filter cloth belt which are horizontally arranged in parallel, two ends of a central rotating shaft of the third roller are respectively fixed on a second vertical frame which is arranged oppositely, the third roller is positioned below the space between the first roller and the second roller, and the fourth roller is arranged right above the middle fifth roller; two ends of a central rotating shaft of the fifth roller and two ends of a central rotating shaft of the sixth roller are respectively arranged on the side edges of two opposite second transverse frames, the other ends of the second transverse frames are fixed on a third vertical frame, and two sides of the central rotating shaft of the third roller are provided with second transmission belts for driving the fifth roller and the sixth roller to rotate; two ends of a central rotating shaft of the fourth roller are respectively installed at one end of a group of oppositely arranged third transverse frames, the other end of each third transverse frame is fixed at the top end of each third vertical frame, and the bottom edge of the fourth roller is tangent to the surface of the second filter cloth belt; the mud collecting hopper is arranged at the lower part of the No. six roller; the electric control cabinet is arranged on the side of the base platform.

During sludge dewatering, a roller rotates and drives No. two rollers and rotates, and mud drops No. two filter cloth areas after passing through the even mud of rack cloth through a filter cloth area transmission, and No. three rollers rotate and drive No. five rollers and No. six rollers and rotate this moment, and No. four rollers open and rotate the mud that the extrusion transmission came, extrude water and pass No. two filter cloth areas and fall into the water catch bowl, and the mud cake after the dehydration continues to transmit forward until dropping in the mud collection fill.

Furthermore, the sizes of central rotating shafts of the third roller, the fifth roller and the sixth roller are the same, the diameter of an outer cylinder of the third roller is slightly larger than that of the fifth roller, the diameter of an outer cylinder of the fifth roller is slightly larger than that of the sixth roller, and the second filter cloth belt forms an angle of 5-10 degrees with the horizontal plane along the transmission direction.

Furthermore, a transverse frame, a second transverse frame, a third transverse frame, a first vertical frame, a second vertical frame, a third vertical frame and the base platform are all hollow structures, and control lines for connecting the electric control cabinet are arranged inside the hollow structures.

Furthermore, a rake rod is arranged on the net rack, the bottom of the rake rod is tightly attached to the surface of the first filter cloth belt, and the rake rod can uniformly lay the sludge on the filter cloth belt.

Furthermore, a rubber layer with a cavity inside is arranged on the surface of the fourth roller, an inflating device is arranged on the side of the rubber layer, the cavity can be inflated when sludge is squeezed for dehydration, the inflated rubber layer increases the extrusion strength, and more water in the sludge is ensured to be extruded.

Furthermore, a group of scraper plates are arranged below the six rollers, the horizontal length of each scraper plate is the same as the width of a second filter cloth belt in the mud pressing dewatering device, and the knife points of the scraper plates are close to the surfaces of the filter cloth belts, so that mud cakes which are not dropped off on the surfaces are cleaned and dropped into a mud collecting hopper.

Furthermore, a water pipe is connected out of the second vertical frame at the central rotating shaft of the third roller, a cleaning water pipe is connected to the middle of the water pipe and traverses the inner sides of the upper and lower second filter cloth belts, water spray holes are uniformly distributed on the cleaning water pipe, the orifices are downward, and the filter cloth belts are cleaned periodically.

Furthermore, a water collecting tank is arranged on the base platform right below the water spraying holes of the cleaning water pipe and used for collecting the cleaned sludge water.

The utility model has the advantages that:

1. the mud equalizing section and the mud pressing and dewatering section are separately arranged to reduce the length of each section of filter cloth belt, so that the phenomenon of filter cloth deviation can be effectively reduced.

2. Mud residues are uniformly laid by utilizing the rake tooth rods, so that the abrasion of the filter cloth belt caused by the uneven mud residue of the roller mud pressing during mud pressing dehydration is reduced, and the service cycle of the filter cloth belt is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of the utility model.

Fig. 2 is a plan view of the present invention.

In the figure: the device comprises a base platform 1, a first transmission belt 2, a second transmission belt 2-1, a first filter cloth belt 3-1, a second filter cloth belt 3-1, a net frame 4, a rake rod 4-1, a roller 5, a first transverse frame 6, a second transverse frame 6-1, a third transverse frame 6-2, a vertical frame 7-1, a second vertical frame 7-1, a third vertical frame 7-2, a second roller 8, a third roller 9, a fourth roller 10, an air charging device 11, a water pipe 12-1, a cleaning water pipe 12-1, a fifth roller 13, a sixth roller 14, a scraper plate 15, a water collecting tank 16, a sludge collecting hopper 17 and an electric control cabinet 18.

Detailed Description

Example 1:

as shown in fig. 1 and 2, a belt sludge dewatering device, including the mud equalizing device, the mud pressing dewatering device, the base platform 1, the mud collecting bucket 17, the electric control cabinet 18, be the mud equalizing device, the mud pressing device, the mud collecting bucket 17 and the electric control cabinet 18 along the mud transmission direction in proper order, wherein the mud equalizing device is installed on the base platform 1 through a vertical frame 7, the mud pressing device is fixed on the base platform 1 through a vertical frame 7-1 and a vertical frame 7-2, the mud collecting bucket 17 and the electric control cabinet 18 are installed on the base platform, its characterized in that: the mud equalizing device is a transmission system consisting of a first roller 5, a second roller 8 and a first filter cloth belt 3 which are horizontally arranged in parallel, two ends of a central rotating shaft of the first roller 5 are arranged at the top ends of a pair of first vertical frames 7, two identical first transverse frames 6 are arranged on the side edges of the top ends of the first vertical frames 7, and the other ends of the two first transverse frames 6 are connected with two ends of the central rotating shaft of the second roller 8; a first transmission belt 2 is arranged on two sides of a central rotating shaft of a first roller 5 to drive a second roller 8 to rotate, a horizontal net rack 4 is arranged above the surface of the first filter cloth belt 3, two sides of the net rack 4 are fixed on one side of a first cross frame 6, a rake rod 4-1 is arranged on the net rack, and the bottom of the rake rod 4-1 is tightly attached to the surface of the first filter cloth belt 3; the mud-pressing dewatering device comprises a conveying system consisting of a third roller 9, a fifth roller 13, a sixth roller 14 and a second filter cloth belt 3-1 which are horizontally arranged in parallel, two ends of a central rotating shaft of the third roller 9 are respectively fixed on a second vertical frame 7-1 which is oppositely arranged, the third roller 9 is positioned below a space between the first roller 5 and the second roller 8, the central rotating shafts of the third roller 9, the fifth roller 13 and the sixth roller 14 are the same in size, the diameter of an outer cylinder of the third roller 9 is slightly larger than that of the fifth roller 13, the diameter of the outer cylinder of the fifth roller 13 is slightly larger than that of the sixth roller 14, the second filter cloth belt 3-1 is 5-10 degrees from the horizontal plane along the conveying direction, the fourth roller 10 is arranged right above the fifth roller 13 in the middle, a rubber layer with a cavity inside is arranged on the surface of the fourth roller 10, and an air charging device 11 is arranged on the side of the rubber layer; two ends of a central rotating shaft of the fifth roller 13 and the sixth roller 14 are respectively arranged on the side edges of two opposite second transverse frames 6-1, the other ends of the second transverse frames 6-1 are fixed on a third vertical frame 7-2, and two sides of the central rotating shaft of the third roller 5 are provided with a second transmission belt 2-1 for driving the fifth roller 13 and the sixth roller 14 to rotate; the two ends of a central rotating shaft of a fourth roller 10 are respectively arranged at one end of a third transverse frame 6-2 which is arranged oppositely, the other end of the third transverse frame 6-2 is fixed at the top end of the third vertical frame 7-2, the bottom end edge of the fourth roller 10 is tangent to the surface of a second filter cloth belt 3-1, a water pipe 12 is connected out of the second vertical frame 7-1 at the central rotating shaft of the third roller, a cleaning water pipe 12-1 is connected in the middle of the water pipe and traverses the inner sides of the upper and lower second filter cloth belts 3-1, water spray holes are uniformly distributed on the cleaning water pipe 12-1, the hole opening is downward, and a water collecting tank 16 is arranged on a base platform 1 right below the water spray holes; the mud collecting hopper 17 is arranged at the lower part of the No. six roller 14; the electric control cabinet 18 is arranged on the side of the base platform 1, the first transverse frame 6, the second transverse frame 7, the third transverse frame 6-2, the first vertical frame 7, the second vertical frame 7-1, the third vertical frame 7-2 and the base platform 1 are all of hollow structures, and a control line connected with the electric control cabinet 18 is arranged inside the hollow structures.

When sludge is dehydrated, the first roller 5 rotates to drive the second roller 8 to rotate, the sludge is transmitted through the first filter cloth belt 3, uniformly distributed through the net rack 4 and then falls onto the second filter cloth belt 3-1, the third roller 9 rotates to drive the fifth roller 13 and the sixth roller 14 to rotate, the fourth roller 10 and the fifth roller 13 rotate together to extrude the transmitted sludge, water is extruded to pass through the second filter cloth belt 3-1 and fall into the water collecting tank 16, and the dehydrated mud cake is continuously transmitted forwards until the mud cake falls into the mud collecting hopper; during cleaning, the water spraying holes of the cleaning water pipe 12-1 spray water downwards to clean the filter cloth belt, and the sludge water after cleaning falls into the water collecting tank 16.

Claims

1. The utility model provides a belt sludge dewatering device, includes equal mud device, presses mud dewatering device, base platform, collection mud fill, automatically controlled cabinet, is equal mud device, presses mud device, collection mud fill and automatically controlled cabinet, its characterized in that along mud direction of transfer in proper order: the mud homogenizing device is arranged on the base table through a first vertical frame, the mud pressing device is fixed on the base table through a second vertical frame and a third vertical frame, the mud collecting hopper and the electric control cabinet are arranged on the base table, the mud homogenizing device is a transmission system consisting of a first roller, a second roller and a first filter cloth belt which are horizontally arranged in parallel, two ends of a central rotating shaft of the first roller are arranged at the top ends of a pair of first vertical frames, two identical first cross frames are arranged on the side sides of the top ends of the first vertical frames, and the other ends of the two first cross frames are connected with two ends of the central rotating shaft of the second roller; a first transmission belt is arranged on two sides of a central rotating shaft of the first roller to drive the second roller to rotate, a horizontal net rack is arranged above the surface of the first filter cloth belt, and two sides of the net rack are fixed on one side of the first transverse rack; the mud-pressing dewatering device comprises a conveying system consisting of a third roller, a fifth roller, a sixth roller and a second filter cloth belt which are horizontally arranged in parallel, two ends of a central rotating shaft of the third roller are respectively fixed on a second vertical frame which is arranged oppositely, the third roller is positioned below the space between the first roller and the second roller, and the fourth roller is arranged right above the middle fifth roller; two ends of a central rotating shaft of the fifth roller and two ends of a central rotating shaft of the sixth roller are respectively arranged on the side edges of two opposite second transverse frames, the other ends of the second transverse frames are fixed on a third vertical frame, and two sides of the central rotating shaft of the third roller are provided with second transmission belts for driving the fifth roller and the sixth roller to rotate; two ends of a central rotating shaft of the fourth roller are respectively installed at one end of a group of oppositely arranged third transverse frames, the other end of each third transverse frame is fixed at the top end of each third vertical frame, and the bottom edge of the fourth roller is tangent to the surface of the second filter cloth belt; the mud collecting hopper is arranged at the lower part of the No. six roller; the electric control cabinet is arranged on the side of the base platform.

2. The belt sludge dewatering device of claim 1, wherein: the central rotating shafts of the third roller, the fifth roller and the sixth roller are the same in size, the diameter of the outer cylinder of the third roller is slightly larger than that of the fifth roller, the diameter of the outer cylinder of the fifth roller is slightly larger than that of the sixth roller, and the angle between the second filter cloth belt and the horizontal plane is 5-10 degrees along the transmission direction.

3. The belt sludge dewatering device of claim 1, wherein: the first transverse frame, the second transverse frame, the third transverse frame, the first vertical frame, the second vertical frame, the third vertical frame and the base platform are all hollow structures.

4. The belt sludge dewatering device of claim 1, wherein: the rack is provided with a harrow bar, and the bottom of the harrow bar is tightly attached to the surface of the first filter cloth belt.

5. The belt sludge dewatering device of claim 1, wherein: the surface of the fourth roller is provided with a rubber layer with a cavity inside, and the side of the rubber layer is provided with an air charging device.

6. The belt sludge dewatering device of claim 1, wherein: a group of scraper plates are arranged below the six rollers, the horizontal length of each scraper plate is the same as the width of a second filter cloth belt in the mud pressing dewatering device, and the cutter points of the scraper plates are close to the surfaces of the filter cloth belts.

7. The belt sludge dewatering device of claim 1, wherein: a water pipe is connected out from a second vertical frame at the central rotating shaft of the third roller, a cleaning water pipe is connected in the middle of the water pipe and traverses the inner sides of the upper and lower second filter cloth belts, and water spray holes are uniformly distributed on the cleaning water pipe and are downward in the hole opening.

8. The belt sludge dewatering device of claim 1, wherein: a water collecting tank is arranged on the base platform right below the water spraying holes of the cleaning water pipe.