JP2019069449A5

JP2019069449A5 -

Info

Publication number: JP2019069449A5
Application number: JP2019024978A
Authority: JP
Filing date: 2019-02-15
Publication date: 2019-06-27

Claims

In a sludge scraper which drives a circular endless chain having a plurality of flights attached thereto by means of a driving device installed on the upper portion of the sedimentation basin water,
An upper guide rail for supporting the vicinity of the end of the flight traveling on the water surface track from below;
A plurality of first brackets fixed at one end to the side wall of the sedimentation basin and the other end extending to the center side of the sedimentation basin and supporting the upper guide rail from below;
The two endless chains are formed by fastening a plurality of link members by connecting pins, and a plate projecting below the connecting pins of the link members toward the side wall of the sedimentation basin in the pond width direction is the endless chain. Provided on the side surface of the link member at predetermined intervals along the longitudinal direction of the chain,
The side wall side of the settling basin has a guide member extending in the pond width direction to the central portion side of the settling basin,
The sludge scraping machine according to claim 1, wherein the guide member is positioned above the plate and below the bottom surface of the flight, and overlaps the plate at a predetermined distance.

In the sludge scraper according to claim 1,
The plate is disposed near the lower surface of the link member .

In the sludge scraper according to claim 1 or 2,
The plate is
A first plate portion whose lower end is located below the lower surface of the link member along the side surface of the link member;
The link sludge raking machine for a second plate portion, characterized in Rukoto to have a the lower surface disposed below projecting towards the side wall of the sedimentation tank member.

In the sludge scraper according to any one of claims 1 to 3,
The sludge scraping machine according to claim 1 , wherein the plate is formed into a substantially L-shaped longitudinal cross section by pressing or bending a single plate to form a first plate portion and a second plate portion .

The sludge scraping machine according to any one of claims 1 to 4, wherein
The guide member is
A second guide member erected upward,
The second guide the first guide member and the sludge raking device, wherein you have a that extends toward the center of the sedimentation tank to Ikehaba direction from the upper end of the member.

The sludge scraper according to any one of claims 1 to 5, wherein
A sludge scraping machine according to claim 1 , wherein the guide member is formed into a substantially L-shaped longitudinal section by pressing or bending a single plate, and forms a first guide member and a second guide member .

In the sludge scraper according to claim 5 or 6 ,
The sludge scraper according to claim 1, wherein the first guide member is disposed along a side wall of the sedimentation tank so as to cover the plurality of plates .

The sludge scraping machine according to any one of claims 5 to 7 , wherein
The length of the first guide member along the side wall of the sedimentation basin is the longitudinal direction of the endless chain, and is shorter than the distance between the link members provided with the plate,
A sludge scraping machine characterized in that the first guide member is disposed so as to cover only one of the plates while the endless chain travels along a water surface track .

The sludge scraping machine according to any one of claims 5 to 8, wherein
The sludge scraping machine according to claim 1, wherein the second guide member and the pond width direction front end of the plate are disposed at a predetermined interval in the pond width direction .

The sludge scraping machine according to any one of claims 5 to 9, wherein
The tip of the first guide member toward the center of the sedimentation basin along the pond width direction is disposed at a predetermined distance from the link member constituting an endless chain traveling along a water surface track, and The tip of the first guide member is disposed in the vicinity of an extension of a central axis of a connection pin for fastening the link member .

The sludge scraping machine according to any one of claims 5 to 10, wherein
Drive sprocket wheels disposed near the water surface track and provided on both end sides of a drive shaft to which the rotational force of the drive device is transmitted;
Driven sprocket wheels provided near both water surface tracks and provided on both end sides of an intermediate shaft disposed downstream of the drive shaft;
A driven sprocket wheel provided in the vicinity of the bottom surface of the sedimentation basin and on both end sides of a tail shaft disposed downstream of the intermediate shaft;
A driven sprocket wheel provided in the vicinity of the bottom surface of the sedimentation basin and on both end sides of a head shaft disposed upstream of the drive shaft;
The sludge scraping machine according to claim 1, wherein the two endless chains are driven by the driving sprocket wheel and the driven sprocket wheel .

In the sludge scraper according to claim 11 ,
An interval between the first guide member and the plate in the vertical direction is set within a range of 3/5 times to 4/5 times the height of the teeth of the driving sprocket wheel .

In the sludge scraper according to claim 11 or 12 ,
An intermediate guide rail for supporting from the lower side the vicinity of the end of the flight traveling between the driven sprocket wheel provided on both end sides of the intermediate shaft and the driven sprocket wheel provided on both ends of the tail shaft;
One end fixed to the side wall of the sedimentation tank and the other end extends toward the center of the sedimentation basin, characterized Rukoto and a plurality of second bracket for supporting from below the intermediate guide rail sludge Scratching machine.