deltech filter Germany deltech model deltech price

deltech filters are indispensable devices on media transport pipelines, typically installed at the inlets of pressure reducing valves, relief valves, constant water level valves, and other equipment. The filter consists of a housing, stainless steel filter mesh, blowdown section, drive mechanism, and electrical control components. As the water to be treated passes through the filter cartridge, impurities are retained. When cleaning is required, simply remove the detachable 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 convenient to modify or expand. To modify the function of a machine instruction, only the corresponding microprogram needs to be rewritten; to add a machine instruction, only a segment of microprogram needs to be added to the control memory. However, it operates by executing a segment of microcode. A specific comparison is as follows: Combinational logic controllers, also known as hard-wired controllers, are composed of logic circuits and rely entirely on hardware to implement instruction functions.

deltech filter principle

The 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. Once the filter screen is cleaned, the pressure difference drops to the minimum value, the system returns to the initial filtration state, and normal operation resumes. It operates in two modes: inspection mode and identification mode. In inspection mode, the controller continuously sends query codes to the card reader and receives replies. This mode persists until the card reader detects a card. Upon detecting a card, the card reader sends a different reply to the controller's inspection command. In this reply, the card reader transmits the read card ID data to the access controller, switching the access controller to identification mode. In identification mode, the access controller analyzes the card ID, compares it with the card data stored in the device, and executes subsequent actions. After completing the data reception, the access controller sends a reply command to the card reader to reset its status, and the access controller returns to inspection mode.

deltech 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 improve 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. If the filtrate viscosity is high, heating the suspension can reduce viscosity. These measures all accelerate filtration speed.

deltech 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 more. 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 approximately 300m3/h of water occupies only about 6m2 (for general water quality, filtration grade 102μ).

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