The QSZ series submersible slurry pump is mainly composed of three parts: pump head, motor, and combination seal. The water conservancy department is designed using the design method. The motor and water pump work coaxially and work together in the medium, and the overcurrent components (including the pump body, pump cover, and impeller) are made of wear-resistant materials. This product has excellent material selection, wide flow channels, and strong passing capacity. Widely used in metallurgy, chemical industry, mining, coal, power, building materials, municipal environmental protection, and river dredging enterprises, it is used to transport liquids containing abrasive solid particles such as sand and gravel, coal slag, and tailings. In addition to the main impeller, this product also adds a set of stirring impellers at the bottom, which can spray the settled slag into a mixed liquid of water and solid particles. Enable the water pump to achieve high concentration transportation without auxiliary devices. The sealing device can effectively balance the pressure inside and outside the oil chamber, ensuring that the pressure at both ends of the mechanical seal is balanced, maximizing the reliable operation of the mechanical seal and greatly extending its service life. The motor can be equipped with various protective devices such as water inlet detection and overheating according to user requirements, enabling the product to operate safely for a long time under harsh working conditions.