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On line autrasonic cleaning and filtering device

A filter device, ultrasonic technology, applied in the direction of filtration separation, fixed filter element filter, semi-permeable membrane separation, etc., can solve the problems of restricting the application of pretreatment filters, the filter cannot run continuously, and the filter is expensive, etc., to achieve Easy to realize automation, good cleaning effect and fast cleaning speed

Inactive Publication Date: 2004-12-22
SHANGHAI SHENGYU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The filter bag type and filter element type filter have high filtration accuracy, but the filter cannot run continuously, and the filter bag or filter element must be replaced after the filter pressure difference exceeds the standard, which increases operating costs; the disc filter equipment is easy to install and can be backwashed online , but the filtering accuracy of the filter can only reach 20μ
American TEKLEEN self-cleaning filter has a filtration accuracy of up to 2μ, and has a variety of structures, which are suitable for installation in various situations on site. There are many control methods to realize online backwashing, but the filter is expensive, and ordinary users cannot afford it.
Because the price of this filter with the same treatment capacity is similar to that of reverse osmosis equipment, its application as a pretreatment filter for membrane water treatment equipment is limited.

Method used

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  • On line autrasonic cleaning and filtering device
  • On line autrasonic cleaning and filtering device
  • On line autrasonic cleaning and filtering device

Examples

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Embodiment Construction

[0013] Shown in Fig. 3, a kind of on-line ultrasonic cleaning filtering device is characterized in that it consists of a plurality of filters with ultrasonic transducers 6, ultrasonic sounder 5, differential pressure transmitter 1, PLC automatic control device 2 and Corresponding process pipelines and control valves are connected. Depend on Figure 1-2 Shown, a plurality of filters that are equipped with ultrasonic transducers, it consists of a filter cylinder 15, a hollow shaft 16, a drum filter 4 that can rotate around the hollow shaft, a geared motor mechanism 3, at least one Composed of ultrasonic transducers 6; a plurality of ultrasonic transducers are fixed longitudinally in a row on the filter cylinder 15, and the hollow rotating shaft 16 is connected with the geared motor mechanism 3.

[0014] In the embodiment of the present invention, as shown in FIG. 3 , A and B are two filters, and each filter has two states of running and cleaning. The PLC automatic control devi...

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Abstract

An in-line ultrasonic washing filter unit is composed of multiple filters with ultrasonic transducer, ultrasonic generator, differential pressure transmitter, PLC autocontroller, pipelines and control valves. Said filter consists of cylindrical body, hollow rotary shaft, drum-type filtering net, speed-reducing motor unit, and at least one ultrasonic transducer. Its advantages are high filtering precision, high automation level and high washing effect.

Description

technical field [0001] The invention relates to a precision filter for removing various impurities in water, in particular to an online ultrasonic cleaning and filtering device, which can be used as a preprocessor device for membrane water treatment equipment. Background technique [0002] The following types of filters are commonly used in the existing precision filters: fiber filters, filter bag filters, cartridge filters, disc filters. The fiber filter has high filtration precision, and the filter can be backwashed, but the equipment is bulky, requires sufficient installation space, and requires high energy consumption for operation. The filter bag type and filter element type filter have high filtration accuracy, but the filter cannot run continuously, and the filter bag or filter element must be replaced after the filter pressure difference exceeds the standard, which increases operating costs; the disc filter equipment is easy to install and can be backwashed online ,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/72B01D65/02
Inventor 武占
Owner SHANGHAI SHENGYU TECH CO LTD
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