Chemical pumps used in sewage & wastewater treatment plant

By 2030, water will become more scarce, with demand exceeding supply by 40%. Nearly half of the world's population will live in water-stressed areas. Recycling all forms of water will become inevitable in our daily lives, from domestic and municipal water to industrial production.

A combination of aging infrastructure and a dynamic regulatory environment constantly challenges water treatment costs, water quality is already affected by human activity itself, and direct reuse of wastewater is dangerous to health and the environment because they are polluted.

Therefore, it is necessary to operate a sewage treatment plant, and chemical pumps play a vital role in wastewater treatment. But getting the right technology and approach to water treatment can be challenging. Qihua has built innovative solutions to overcome all challenges. From pH adjustment and disinfection to odor control, Qihua industrial pumps are ideal.

What is wastewater treatment?

Wastewater is formed by several processes, including bathing, washing, toilet use and stormwater runoff. Water contains many contaminants, including bacteria, chemicals and other toxins. Therefore, wastewater treatment requires safe discharge of water back into the environment by reducing pollutants.

Wastewater treatment is the process of removing pollutants from wastewater and bilge water that can be safely discharged back into the environment. Once returned to the water cycle, sewage has minimal environmental impact or is reused for various purposes. The latter is called water recovery.

What types of industrial pumps are used to sanitize wastewater?

1. Centrifugal pump

Centrifugal pumps are probably the most widely used for pumping sewage, and these pumps have been found to be easy to install in pits and sumps and to efficiently transport suspended matter present in contaminants. Centrifugal pumps consist of a rotating wheel called an impeller that spins and transfers energy to the fluid.

In order not to clog the pump, the impeller is designed with fewer blades and is used to treat sewage containing large sized solids. These types of pumps are called non-clogging pumps. Centrifugal pumps can be adjusted to suit a variety of applications. It is capable of transporting not only water but other materials from chemical slurries into oils and solvents.

2. Self-priming mud pump

Self-priming mud pumps are an ideal solution for conveying fluids in sewage treatment plants, and long life and easy maintenance are one of the main reasons why they are widely chosen for easily conveying viscous and abrasive fluids.

Non-clogging and self-priming pumps are designed to have the liquid needed to start the pumping process in the cavity or pump body, and it offers the possibility to increase operational efficiency in process plants where pumps are used for various operations. The self-priming mud pump can self-priming even if it is partially filled and the suction hose is empty, and the intelligent check valve in the suction port avoids the siphon effect during shutdown and ensures automatic restart every time.

3. Polypropylene

The unique polypropylene pump is a true multi-purpose pump and has also successfully pumped and treated sewage or effluent from sewage treatment plants. The polypropylene pump features a one piece molded polypropylene volute design with a half-open impeller and housing cover to ensure smooth operation as per standard corrosion resistance. The pump also has a high-aluminum ceramic sleeve to protect the shaft from any type of corrosion and wear. Mechanical seals in pumps help prevent pump leaks.

4. Filter pump

Filter pumps are among the oldest and most trusted pumps for wastewater treatment in a variety of industries and applications. The filter pump is a centrifugal, semi-open non-clogging impeller pump, single row deep groove heavy-duty ball bearing, oil lubricated.

The pump is located in the center of the plate, allowing proper flow distribution and better removal of sludge from the chamber. Filter pumps use high pressure filtration to separate solids from liquids, removing impurities and suspended solids from industrial wastewater.

5. Vertical pump

Vertical pumps are specialized centrifugal pumps that are widely used for fluid separation in sewage treatment plants. These pumps are also known as deep well turbo pumps or spool turbo pumps. A vertical pump is a rotodynamic pump that uses radial flow impellers in a vertical configuration. Vertical pumps can be multi-stage allowing maximum flexibility and modification as needed.

As an expert in the chemical pump industry and a leader in technological upgrading, Hiltech has obtained more than 30 national patents in the past 12 years, including 2 invention patents, and provides a wide range of chemical pumps for sewage and wastewater treatment. The pumps designed by technicians combine mechanical and chemical characteristics. To handle demanding applications, we provide you with the most practical and cost-effective pump to keep your water treatment plant running at peak efficiency.