A leading Asian paint manufacturer required pumps which are able to handle shear-sensitive, latex-base emulsions for a new production plant. The emulsions will be pumped from storage tanks into the production plant. The pumps needed to have reduced clearances.low speeds and a low NPSH.In additional the pump allows an easy cleaning, in case of product changes, After excessive tests with trial pumps in a existing manufacturing site, the customer decided to install 22 Rotary Lobe pumps for these applications.His solutions were Accuvon Rotary Lobe pumps. The pump head is complete from stainless steel and fitted with Premium stainless steel rotors. The MIP Design of the pump allows for easy maintenance and cleaning on-site.
Mobile self priming Rotary Lobe Pump, trailer mounted for emergency use in cases of flooding, channel bursts, spillage. pumping stations, sewage treatment works and a range of other situations requiring pumping. Suction and discharge hoses are connected in minutes. The self-contained assembly is designed and proven in cross-country use.
Oil spills happen from time to time. to prevent incidents, the emergency services and fire brigades have decontamination units. Depending on the size, they can decontaminate 40,000 to 160,000 litres of oil-water mixture in one hour. each unit contains three Accuvon Rotary Lobe Pumps. An AP140 self-priming mobile feed pump conveys the contaminated fluid to the unit, the pump is mounted in a Euro-box size frame and is selected to operate with inverter speed control, and there are two additional pumps in the container, also inverter controlled. After mechanical separation of the oil from the water, the separated high viscosity oil is pumped by another AP140 to a tanker truck, the separated water is returned to the river/drain or to the inlet of the separator if it still contains traces of oil, The customer chose Accuvon rotary lobe pumps because they require little space, operate with low shear effect and are perfectly flow controllable.
High-viscosity sludge needs to be removed from a tar lake. Previously installed pumping systems failed due to the high viscosity - up to 50,000 mPas depending on the temperature - and the relatively large solids content. Both factors caused the previous pumps to clog and block. The solution for this application was the Accuvon double pack, consisting of a HAP 80 Multicrusher and an AP 80 Rotary Lobe Pump, mounted on a common frame but driven individually by hydraulic motors. The complete submersible unit is explosion-proof and complies with the European ATEX standard.
Occasional oil spills occur. To prevent such incidents, the emergency services and fire brigades have decontamination units. Depending on the size, they can decontaminate 40,000 to 160,000 litres of oil-water mixture in one hour. each unit contains three Accuvon rotary lobe pumps. An AP 100 self-priming mobile transfer pump delivers the contaminated fluid to the unit. The pump is mounted in a Euro-box size frame and is speed controlled by an inverter. two additional pumps, also inverter controlled, are located in the container. After mechanical separation of the oil from the water, the separated high viscosity oil is pumped by another AP100 to a road tanker. The separated water is returned to the river/drain or, if it still contains traces of oil, to the inlet of the separator. The customer chose Accuvon rotary lobe pumps because of their small footprint, low shear effect and perfect flow control.
A typical pneumatic pumping station operates with a combination of pneumatic system and rotary lobe pumps. The suction side of the rotary lobe pumps is designed to prevent solids (i.e. stones, gravel) from entering the pump. The pumps handle only the wastewater. Stones and other particles will fall into the vessels of the pneumatic system. While the pumps are handling the main volume of sewage, the pneumatic system is used twice a day to push the solids out of the system and also to clean the pipe system of sediment. A combination of valves isolates the two systems. Both systems are operated automatically via a PLC control panel!
Gravity thickened sludge with a solids content of around 4% has to be pumped to a dewatering centrifuge at a waste water treatment plant. Two Accuvon AP 80 rotary lobe pumps are used for this task, these pumps are controlled by a frequency converter and operate in a duty/standby mode to feed the centrifuge. The sludge contains a high percentage of solids, rags and fibres. An Accuvon Multicrusher HAP 80 -Inline was installed upstream of the pumps to prevent clogging and blockage of the centrifuge inlet and to protect the feed pumps. Solids, rags & fibres present in the sludge are reduced to fine particles and the sludge is homogenised. An auto reverse control for the Multicrusher was also supplied to ensure clog-free operation.
