ultrafilter filter, German ultrafilter model, ultrafilter price

The ultrafilter filter is an indispensable device on media transport pipelines, typically installed at the inlet of pressure reducing valves, relief valves, constant level valves, and other equipment. The filter consists of a housing, stainless steel filter screen, blowdown section, drive mechanism, and electrical control components. Water to be treated passes through the filter cartridge of the screen, where impurities are retained. When cleaning is required, simply remove the detachable filter cartridge, clean it, and reinstall it, making operation and maintenance extremely convenient. It is the "decision-making unit" that issues commands, coordinating and directing the operation of the entire computer system. Controllers are divided into combinational logic controllers and microprogrammed controllers, each with its own advantages and disadvantages. Combinational logic controllers are troublesome to design and complex in structure; once designed, they cannot be modified or expanded, but they offer high speed. Microprogrammed controllers are easy to design, simple in structure, and easy to modify or expand. Modifying the function of a machine instruction only requires recompiling the corresponding microprogram; adding a machine instruction only requires adding a segment of microprogram to the control memory. Specific comparisons are as follows: Combinational logic controllers, also known as hardwired controllers, are composed of logic circuits and rely entirely on hardware to implement instruction functions.

ultrafilter filter principle

Water to be filtered enters through the inlet, flows through the filter screen, and exits into the user's required pipeline for process circulation. Particulate impurities in the water are trapped inside the filter screen. As this cycle continues, the amount of trapped particles increases, slowing the filtration speed. Meanwhile, untreated water continues to enter, causing the filter pores to become smaller, creating a pressure difference between the inlet and outlet. When the pressure difference reaches the set value, the differential pressure transmitter sends an electrical signal to the controller. The control system starts the drive motor, which rotates the shaft via the transmission assembly. Simultaneously, the blowdown port opens to discharge contaminants. After the filter screen is cleaned, the pressure difference drops to the minimum value, the system returns to the initial filtration state, and operates normally. It operates in two modes: patrol mode and identification mode. In patrol mode, the controller continuously sends query codes to the card reader and receives responses. This mode persists until the card reader detects a card. Upon detecting a card, the card reader sends a different response to the controller's patrol command, transmitting the proximity card's internal code data to the access controller, which then enters identification mode. In identification mode, the access controller analyzes the proximity card's internal code, compares it with stored card data, and executes subsequent actions. After completing data reception, the access controller sends a response command to the card reader to restore its status, and the access controller returns to patrol mode.

ultrafilter filter filtration speed

When solid particles in a suspension are large and uniform in grain size, the pores in the filter cake layer are relatively open, allowing the filtrate to pass through at a higher speed. Using coagulants to aggregate fine particles into larger clumps helps increase filtration speed. For suspensions where solid particles settle quickly, filters that feed onto the upper part of the filter medium are used, aligning the filtration direction with gravity. Coarse particles settle first, reducing clogging of the filter medium and filter cake layer. In difficult-to-filter suspensions (such as colloids), mixing in coarser solid particles like diatomaceous earth or expanded perlite can loosen the filter cake layer. When filtrate viscosity is high, heating the suspension can reduce viscosity. These measures all accelerate filtration speed.

ultrafilter filter performance characteristics

1. High efficiency, precise filtration: Special structural disc filter technology offers precise and sensitive performance, ensuring that only particles smaller than the required size enter the system, making it the most effective filtration system. Specifications include 5μ, 10μ, 20μ, 55μ, 100μ, 130μ, 200μ, and others. Users can select filter discs of different precisions according to water usage requirements. System flow rate can be flexibly adjusted as needed. 2. Standard modular design, space-saving: The system is based on standard disc filter units with a modular design. Users can select modules as needed, offering flexibility and strong interchangeability. The system is compact and occupies minimal space, allowing flexible installation in corner spaces. For example, equipment handling a water volume of approximately 300m3/h occupies only about 6m2 (for general water quality, filtration grade 107μ).

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