The mud scraper is often used in the drainage system of sewage treatment plants to remove impurities such as sediment in the water, thus playing a role in purifying the water environment. When the sewage enters the mud scraper, it is first screened through the grille device, the cyclone and the high-speed rotating blade in the pump body to remove large particles of impurities and fibrous substances and carry out crushing and dispersing treatment. The treated sewage flows into the intermediate tank, and then passes through the sedimentation tank for secondary sedimentation separation; then the motor and reducer drive the rotating scraper to scrape off the sludge at the bottom. Finally, the suction port absorbs the scraped sludge through negative pressure and discharges it through the discharge port.
the important role of the concentrated mud scraper gear reducer:
gear reducer can convert the high-speed rotation of the motor into the power output of low speed and large torque, drive the stirring mud scraper, ensure the normal operation of the mud scraper equipment, and improve the stability of the equipment. The mud scraper gear reducer also has the functions of distributed power and transmission power. The concentrated mud scraper gear reducer is widely used in environmental protection, sewage treatment, sedimentation tanks and clarification tanks.
The working principle of the mud scraper gear reducer:
The mud scraper gear reducer is the purpose of reducing the output speed through gear transmission. Gear transmission is the core component of the gear reducer, which is generally composed of lubricating oil, bearings, gears, etc.
the internal structure of the scraper gear reducer:
1. Motor: the source power that drives the entire gear reducer system, converts the high-speed rotating motor into a low-speed and high-torque power output.
2. Gear reducer: mainly composed of gear reducer shell, output shaft, worm, gear, bearing, etc.
gear reducer shell material is mostly gray cast iron or ductile iron, various shapes, can also be customized according to specific use needs. Gear reducer output shaft is closely combined with the worm, the output torque is naturally large, generally fixed by keys. Gear precision is high, strict requirements on material and machining accuracy.
3. Output shaft: Output the output power of the gear reducer, connecting the working parts of the entire scraper.
4. Worm: Also known as worm gear, a wheel-shaped part used to transmit power and speed reduction.

The product characteristics of the concentrated scraper gear reducer are as follows:
1. Fewer transmission links than the traditional transmission design, high mechanical efficiency, compact structure;
2. Can be configured with over-torsion protection mechanism, when the torque reaches the set value, automatic alarm shutdown, safe and reliable operation;
3. Because the spindle adopts a tubular structure with large stiffness, the bottom of the pool is not set with bearings, eradicating the extremely bad environment of the bottom of the pool maintenance work.
JWZ mud scraper gear reducer selection method:
Zhongda Qili JWZ series mud scraper drive device adopts worm gear reduction drive, large output torque, smooth operation, low noise, no leakage, safe and reliable; can choose the appropriate worm gear box according to the size of the clarification tank,
The following data is for reference only:
diameter 4 meters: choose JWZ147-6-40-ST (DT)
diameter 6 meters: choose JWZ200-8-40-ST (DT)
diameter 8 meters: choose JWZ240-10-40-ST (DT)
diameter 10 meters: choose JWZ350-10-60-ST (DT)
diameter 13 meters: choose JWZ420-12-60-ST (DT)
diameter 16 meters: choose JWZ460-10 -60-ST (DT)
Diameter 20 meters: Select JWZ500-10-80-ST (DT)
Each model can be equipped with super torque overload protection, manual lift (ST) or hand electric lift (DT) Customized according to customer needs.
-level gear reducer standard adopts double-stage cycloid pin gear reducer motor, can choose the appropriate drive gear motor according to the different specifications of the customer's worm gear box, through the worm gear gear reducer transmission mode adopts sprocket chain link.
Concentrated mud scraper gear reducer overheating fault and solution:
gear reducer overheating reasons are: 1. gear reducer overload operation; 2. gear reducer lubricating oil is insufficient or too much;
Concentrated mud scraper gear reducer overheating treatment method: 1. Conduct a detailed inspection of the actual load of the gear reducer and adjust it to the specified value; 2. Replace a higher power gear reducer and use lubricating oil strictly according to the specified amount of oil.