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Rotary disc aerator (also known as rotary disc aerator) is a key equipment in the oxidation ditch process of sewage treatment plants, and is a horizontal axis surface aerator. Its function is to oxygenate the sewage, promote the circulation and flow of sewage in the ditch, and prevent the sedimentation of activated sludge, so that the sewage and oxygen can be fully mixed and contacted to complete the biochemical process. It has the characteristics of large working water depth, strong mixing ability, strong driving force, high oxygenation efficiency, high power efficiency, good anti-corrosion performance, long service life, flexible assembly, easy installation and maintenance, and low operating costs etc.
| Item No. | A-1400 | A-1800 |
| Dia. of aeration rotor | 1400mm | 1800mm |
| Applicable working water depth | ≤5m | ≤6.2m |
| Applicable speed | 50~6srpm | 43~58rpm |
| Economic speed | 50rpm | 50rpm |
| Applicable immersion depth | 400~530mm | 500~710mm |
| Economy is not deep enough | 500mim | 670mm |
| Single disc oxygenation capacity | 1.4~1.86kgO2/h.ds | 1.8~3.8kgO2 /h.ds |
| Power efficiency | 3.26 kgO2/kw.h | 2.8 kgO2/kw.h |
| Horizontal span drawing | Singal Axis:≤8 mDual Axis:8m~14m | Single Axis:≤8m Dual Axis:8m~14m |
| Disc installation density | <5ds/m | <4ds/m |
| Average bottom flow velocity | 0.28ms(water depth 4.5mH) | 0.3ms(water depth 5.5mH) |
FAQ：
1. Use of stepped grid cleaning machine
The JT type stepped grid cleaning machine is mainly used for solid-liquid separation between fine grids in sewage plants and shallow water inlets in various wastewater treatment projects.
The JT type stepped grille cleaning machine has a compact structure, beautiful and generous appearance, fully enclosed design, and no odor leakage; The transmission components are installed on the grille well, without any debris jamming or slipping of the tooth rake, making installation and maintenance simple and convenient; All stainless steel structural design, corrosion resistance, and long service life.
Our company's development and production of stepped grid cleaning machines will be put into the market in large quantities.
2. Structure and working principle of wire rope grille cleaning machine
The GS type steel wire rope grille cleaning machine is composed of a frame rake bucket lifting drive structure, an over torque protection device, three steel wire ropes, a guide wheel, a rake bucket opening and closing device, a rake bucket and trolley, a grid bar, a guide rail and a skimming plate, a skimming mechanism, and other components.
After receiving the working signal, the GS type steel wire rope grid cleaning machine starts to release the rope by the lifting and driving mechanism of the rake bucket. The rake bucket descends along the guide rail from the highest position (up work cycle slag discharge), and the skimming plate descends with the rake bucket under its own weight. After the skimming plate is reset, the rake bucket is pushed by the opening and closing rake device (electric push rod) to open and continue to descend through the traction of the middle steel wire rope, reaching the limit position underground of the grid. Due to the obstruction of the limit plate, the car stops and the steel wire rope relaxes. The loosening switch acts, starts the electric push rod to retract, relaxes the middle steel wire rope, and closes the rake bucket under the action of its own weight. After the rake teeth are inserted into the gap between the grid bars, the walking driving mechanism of the rake bucket opens the room to collect the rope, and further forces the rake bucket to be completely closed. The rake bucket and the car carry water debris up along the guide rail until they reach the skimming plate. The two move relative, and the debris is skimmed out and falls into the grid slag car or conveying equipment. On, a work cycle has been completed.
3. Use of wire rope grille cleaning machine
The GS type steel wire rope grille hazardous sewage machine is mainly used in the coarse grille room of sewage treatment plants and rainwater (sewage) pump stations to intercept and salvage large floating objects in water bodies, ensuring the safe operation of water pumps and subsequent processes.
Compared with the chain driven grille cleaning machine, the GS type steel wire rope grille cleaning machine developed in production has simple structure, convenient maintenance, and a large amount of slag removal; Compared with traditional steel wire rope grilles, the traction point of the rake bucket is far from the hinge support point of the rake bucket, and it has a forced closing force; Except for the guide rails and grating bars that are immersed in sewage for a long time, the driving device is installed on the rack platform, and the scraper and other slag removal components are temporarily placed in the sewage during operation, which is corrosion-resistant and easy to maintain; Equipped with a comprehensive and reliable mechanical and electrical dual protection system, ensuring safe operation and facilitating automation.
Scope of supply; 1. Assemble a complete steel wire rope grille cleaning machine, installation accessories, and on-site control box; 2. Our factory can be equipped with slag trucks and slag conveying and pressing equipment.
Workshop display
Strict detail presentation quality
Non-standard customization
Set R & D, production, sales, construction in one of the environmental protection equipment service provider.
Strict selection
Years of industry experience, with rich practical experience in production.
Physical factory
Welcome to visit the site and provide professional and feasible programs.
After-sale caring
Pre-sale, sale and after-sales service are completed by special personnel.
Video
Rotary disc aerator (also known as rotary disc aerator) is a key equipment in the oxidation ditch process of sewage treatment plants, and is a horizontal axis surface aerator. Its function is to oxygenate the sewage, promote the circulation and flow of sewage in the ditch, and prevent the sedimentation of activated sludge, so that the sewage and oxygen can be fully mixed and contacted to complete the biochemical process. It has the characteristics of large working water depth, strong mixing ability, strong driving force, high oxygenation efficiency, high power efficiency, good anti-corrosion performance, long service life, flexible assembly, easy installation and maintenance, and low operating costs etc.
| Item No. | A-1400 | A-1800 |
| Dia. of aeration rotor | 1400mm | 1800mm |
| Applicable working water depth | ≤5m | ≤6.2m |
| Applicable speed | 50~6srpm | 43~58rpm |
| Economic speed | 50rpm | 50rpm |
| Applicable immersion depth | 400~530mm | 500~710mm |
| Economy is not deep enough | 500mim | 670mm |
| Single disc oxygenation capacity | 1.4~1.86kgO2/h.ds | 1.8~3.8kgO2 /h.ds |
| Power efficiency | 3.26 kgO2/kw.h | 2.8 kgO2/kw.h |
| Horizontal span drawing | Singal Axis:≤8 mDual Axis:8m~14m | Single Axis:≤8m Dual Axis:8m~14m |
| Disc installation density | <5ds/m | <4ds/m |
| Average bottom flow velocity | 0.28ms(water depth 4.5mH) | 0.3ms(water depth 5.5mH) |
FAQ：
1. Use of stepped grid cleaning machine
The JT type stepped grid cleaning machine is mainly used for solid-liquid separation between fine grids in sewage plants and shallow water inlets in various wastewater treatment projects.
The JT type stepped grille cleaning machine has a compact structure, beautiful and generous appearance, fully enclosed design, and no odor leakage; The transmission components are installed on the grille well, without any debris jamming or slipping of the tooth rake, making installation and maintenance simple and convenient; All stainless steel structural design, corrosion resistance, and long service life.
Our company's development and production of stepped grid cleaning machines will be put into the market in large quantities.
2. Structure and working principle of wire rope grille cleaning machine
The GS type steel wire rope grille cleaning machine is composed of a frame rake bucket lifting drive structure, an over torque protection device, three steel wire ropes, a guide wheel, a rake bucket opening and closing device, a rake bucket and trolley, a grid bar, a guide rail and a skimming plate, a skimming mechanism, and other components.
After receiving the working signal, the GS type steel wire rope grid cleaning machine starts to release the rope by the lifting and driving mechanism of the rake bucket. The rake bucket descends along the guide rail from the highest position (up work cycle slag discharge), and the skimming plate descends with the rake bucket under its own weight. After the skimming plate is reset, the rake bucket is pushed by the opening and closing rake device (electric push rod) to open and continue to descend through the traction of the middle steel wire rope, reaching the limit position underground of the grid. Due to the obstruction of the limit plate, the car stops and the steel wire rope relaxes. The loosening switch acts, starts the electric push rod to retract, relaxes the middle steel wire rope, and closes the rake bucket under the action of its own weight. After the rake teeth are inserted into the gap between the grid bars, the walking driving mechanism of the rake bucket opens the room to collect the rope, and further forces the rake bucket to be completely closed. The rake bucket and the car carry water debris up along the guide rail until they reach the skimming plate. The two move relative, and the debris is skimmed out and falls into the grid slag car or conveying equipment. On, a work cycle has been completed.
3. Use of wire rope grille cleaning machine
The GS type steel wire rope grille hazardous sewage machine is mainly used in the coarse grille room of sewage treatment plants and rainwater (sewage) pump stations to intercept and salvage large floating objects in water bodies, ensuring the safe operation of water pumps and subsequent processes.
Compared with the chain driven grille cleaning machine, the GS type steel wire rope grille cleaning machine developed in production has simple structure, convenient maintenance, and a large amount of slag removal; Compared with traditional steel wire rope grilles, the traction point of the rake bucket is far from the hinge support point of the rake bucket, and it has a forced closing force; Except for the guide rails and grating bars that are immersed in sewage for a long time, the driving device is installed on the rack platform, and the scraper and other slag removal components are temporarily placed in the sewage during operation, which is corrosion-resistant and easy to maintain; Equipped with a comprehensive and reliable mechanical and electrical dual protection system, ensuring safe operation and facilitating automation.
Scope of supply; 1. Assemble a complete steel wire rope grille cleaning machine, installation accessories, and on-site control box; 2. Our factory can be equipped with slag trucks and slag conveying and pressing equipment.
Workshop display
Strict detail presentation quality
Non-standard customization
Set R & D, production, sales, construction in one of the environmental protection equipment service provider.
Strict selection
Years of industry experience, with rich practical experience in production.
Physical factory
Welcome to visit the site and provide professional and feasible programs.
After-sale caring
Pre-sale, sale and after-sales service are completed by special personnel.
Video
