Grouting pump of the three major performance

The maximum pressure of a grouting pump can be adjusted to prevent unnecessary losses during the grouting process. The method involves injecting slurry into rock or soil fissures to achieve compaction and filling. This process often leads to the creation of new cracks, resulting in fluctuating grouting pressures that can sometimes change dramatically. Given these conditions, the ideal performance of a grouting pump should include the following features: (a) A wide adjustment range for the pump’s discharge volume is essential. Typically, the discharge volume needs to vary significantly, approximately 8 to 10 times, from the initial large amounts during grouting to the smaller final amounts, which indicate successful compaction. (b) The pump must have reliable pressure control capabilities. During the "compaction" phase of grouting, overpressure may occur. At this point, the pump should promptly reduce its discharge volume to lower the slurry flow resistance in the gaps, preventing issues such as fracturing, road surface bulging, or mechanical failures. Ideally, the grouting pump should automatically adjust its discharge volume in response to changing pressures. (c) The pump's operational and maintenance procedures should be straightforward, safe, and reliable. Since the slurry used in grouting is prone to settling and hardening, it is crucial to ensure continuous operation throughout the grouting process, avoiding any pauses. This requires proper preventive maintenance before starting. In challenging mining environments, the grouting pump must be highly reliable and, if necessary, explosion-proof. For more insights on grouting pumps, consider reading about the market demand for corrosion-resistant pumps and the five key characteristics of vertical mud pumps along with their usage precautions. While the technical requirements for grouting pumps are stringent, advancements in engineering continue to improve their efficiency and reliability. Whether for infrastructure development or mining applications, these pumps play a critical role in ensuring project success while maintaining safety standards.

Rotary lobe pumps in Food industry

Sanitary grade lobe pump is one of the products specially developed by Durrex pumps company to meet the customers in the production process of high hygiene requirements. Working chamber has sanitary rotor, rotor locking nut O - ring, pump body without sanitary dead angle and Higher hygienic grade. Support CIP, SIP. The surface roughness Ra 0.2--0.8um, in accordance with 3A, FDA standards. Can be widely used food, medicine and other materials with high requirements for hygiene level.

Rotor pumps for food, Rotary lobe pumps for food, Lobe pumps

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