Rotary coarse grid cleaning machine

Rotary coarse grid cleaning machine(also known as "solid-liquid separator"), widely used in urban sewage treatment plants, inflow plants, pump stations, and power plant inlets, automatically intercepts and removes floating objects in the water to ensure the normal operation of the next process; it can also be used for solid-liquid separation in textile, printing and dyeing, slaughtering, leather making, papermaking, sugar making, brewing, and food processing.

Model representation:

Rotary coarse grid cleaning machineScope of application:

1. Slag on the fine grid of the pumping station and inlet of the water supply and drainage engineering;
2. Solid liquid separation of industrial wastewater from textile, printing and dyeing, slaughtering, leather and papermaking industries;
3. Solid liquid separation in sugar production, brewing, and food processing.

Performance characteristics:

1. Compact structure, good overall performance, large water flow area, stable and reliable operation.
2. Simple operation, good cleaning effect, high efficiency, and long lifespan.
3. Easy to maintain, there are no fixed screws on the underwater part of the grille.
4. The grid rotation cycle, slag removal, and cleaning work are fully automated.
5. It has control functions such as automatic, jog, emergency stop, and cut-off, which facilitate operation and maintenance.
6. Each cleaning machine is equipped with a set of control box (indoor), all electrical components are made of domestic products, and PLC interfaces can be reserved according to user requirements.
7. Equipped with mechanical and electrical dual overload protection devices.
A A 、 Mechanical protection measures: A safety pin is installed in the transmission sprocket, which can instantly cut off the safety pin in case of overload to prevent damage to the transmission components.
B B 、 Electrical protection: Overcurrent protection is installed in electrical design to ensure effective protection of the motor from burning out in the event of equipment failure.
8. The chain of the cleaning machine is made of stainless steel material, and the small wheel of the chain is also made of stainless steel material; The underwater guiding part of the chain adopts a sliding track method, which does not require lubricating oil, making the chain less likely to be stuck by dirt.
9. The driving device is equipped with a protective cover, which not only meets the requirements of outdoor installation, but also facilitates inspection and maintenance;
10. A chain plate is installed between the chain and the rake teeth, forming a closed structure with the angle steel of the water blocking edge of the equipment, making the rake chain a closed chain, thereby preventing garbage from entering the machine's running track and preventing chain infarction and other faults;
11. When the toothed rake chain reaches the rear of the equipment, relative displacement occurs between the toothed rakes, performing self-cleaning motion, and the slag falls into the slag trolley. Therefore, there will be no blockage, so the daily maintenance workload is minimal and there will be no dead corners where dirt accumulates at the bottom of the grille.
12. When installing the equipment, seal the two sides in contact with the ditch wall with rubber sealing tape and fix them with steel pressure strips; There is a flat plate and rubber sealing tape in front of the bottom rake chain to achieve sealing between the equipment and the civil engineering, preventing the leakage of impurities in the water.
13. There are maintenance holes on both sides of the upper part of the equipment. Even if the rake teeth and other components are damaged due to large debris, they only need to be replaced on the work platform without underwater maintenance, which does not affect the water flow rate.

Working Principle:

The GSHZ rotary grid cleaning machine is a special shaped rake made of nylon or stainless steel, assembled in a certain order on the rake shaft to form a closed rake chain, and its lower part is installed in the incoming canal water. When the transmission system drives the sprocket to rotate in a uniform direction, the entire rake chain moves from top to bottom and carries solid debris to separate from the liquid, while the fluid flows through the gaps in the rake teeth. The entire working state is continuous. Due to the special structural shape of the rake teeth, when the rake teeth carry debris to the upper end and move in reverse, there is a relative self-cleaning motion between the front and rear rake teeth, which causes the debris to fall off by gravity. At the same time, a pair of rubber plate brushes are set at the back of the equipment to ensure that each row of rake teeth can obtain a cleaning effect when they move to that position.

Performance parameters:

Schematic diagram of the solid-liquid separator structure of GSHZ rotary grid cleaning machine: