Time: 2024

Location: Zhejiang, China

Application scenario: Sewage treatment plant

A sewage treatment plant in Jiaxing, Zhejiang Province currently has two sludge storage tanks, both measuring 11.25 * 10 * 4.98m, used to store sludge generated by front-end processes. The original system was equipped with two submersible mixers per pool, but during long-term operation, the equipment was damaged and the guide rod broke, causing the equipment to fall into the pool. This not only affected the normal workflow, but also increased maintenance costs and safety risks. In order to thoroughly solve these problems, the factory has decided to introduce our MJN full flow mixing system for renovation.

Analysis of Existing Equipment Issues

Equipment malfunction: The original submersible mixer was exposed to harsh working conditions for a long time, resulting in frequent mechanical failures and ultimately the equipment falling into the pool, posing a safety hazard.

Difficulty in maintenance: Once the equipment malfunctions, it requires a lot of time and manpower to salvage and repair, seriously affecting daily operations.

Solution

In response to the above issues, our technical team has carefully considered and selected the MJN full flow mixing system, with the following specific parameters:

Blade diameter: 3800mm

Number of leaves per layer: 4 leaves

Power: 7.5kW

This blender has the following notable features:

High strength structural design: Using a specially designed high-strength frame, the stress situation of the reducer is improved, ensuring maintenance free underwater and greatly reducing the failure rate.

No need for underwater bearings: suitable for mud storage tank environments up to 4.98 meters deep, no additional installation of underwater bearings is required, simplifying the system structure and reducing potential failure points.

Efficient and low-noise: Standard SEW motor reducer with low noise, high efficiency, and long oil change cycle ensures smooth operation of the equipment under various working conditions.

Implementation steps

Opening lifting holes: According to the installation requirements of the new equipment, a lifting hole is opened at the center of the mud storage tank to facilitate subsequent equipment installation and maintenance operations.

Ground installation of propeller blades: After the propeller blades are connected, they are lifted into the pool and supported by flanges on steel beams.

Installation plan preparation: Weld the I-shaped steel frame according to the drawing to support the mixing equipment.

Equipment assembly: Align the steel seals of the liquid drive shaft and the liquid mixing shaft, then place the installation base plate on the steel frame plane and weld it in place.

Benefit evaluation after renovation

Improved safety: The installation method of the new equipment effectively prevents the risk of the equipment falling into the pool again, avoiding the work of cleaning and salvaging the pool.

Maintenance cost reduction: The equipment runs smoothly without vibration, adopts maintenance free design and vertical installation mode, reduces the need for regular maintenance, and lowers maintenance costs.

Customer satisfaction improvement: Customers are highly satisfied with the solutions provided by our company, believing that the new equipment not only solves existing problems, but also improves the operational stability of the entire sewage treatment system.

Conclusion

The renovation of the mud storage tank mixer has successfully solved many problems with the original equipment, bringing significant benefits to customers such as improved safety, reduced maintenance costs, and reduced energy consumption. In the future, we will continue to be committed to technological innovation and service optimization, helping more sewage treatment enterprises achieve their green and efficient development goals.