Multi-medium filtering system

A technology of multi-media filtration and multi-media filter, which is applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc. Filter bias current and other problems, to achieve the effect of reducing signal interference, convenient construction, and convenient installation

Inactive Publication Date: 2013-08-14
ZHEJIANG JINLONG AUTOMATIC CONTROL EQUIP
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  • Abstract
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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to solve the problem that in the multi-media filtration syste

Method used

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[0019] The present invention will be described in detail below in conjunction with the drawings.

[0020] The multi-media filtration system provided by the present invention includes a plurality of multi-media filters and a control device connected in sequence.

[0021] Such as figure 1 As shown, each multi-media filter is equipped with a wireless communication flow meter 3 and a wireless communication differential pressure transmission. The inlet pipe 5 passes through the wireless communication flow meter 3 and the first switch valve 4 and the tank of the multi-media filter. Body 2 is connected, and the two sensors of the wireless communication differential pressure transmitter are respectively set at the inlet and outlet of each multi-media filter. The backwash sewage pipe 7 is connected to the tank body 2 of the multi-media filter through the third switch valve 8. The oil collecting pipe 1 is connected with the upper head of the tank body 2 of the multi-media filter and the bac...

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Abstract

The invention discloses a multi-medium filtering system. The multi-medium filtering system comprises a plurality of multi-medium filters which are sequentially connected and a control device, wherein each multi-medium filter is provided with a wireless communication flowmeter and a wireless communication pressure difference transmitter; the wireless communication flowmeters obtain inlet water flows of the multi-medium filters in a real-time manner; the wireless communication pressure difference transmitters obtain the pressure difference between inlet water and outlet water of the multi-medium filters, and transmit the current inlet water flows and the pressure difference between inlet water and outlet water of the multi-medium filters to the control device; and the control device controls the corresponding multi-medium filters to carry out back washing operation according to the current water inflow and the pressure difference between inlet water and outlet water. According to the multi-medium filtering system disclosed by the invention, each filter adopts the wireless communications flowmeter and the wireless communication pressure difference transmitter, and a wireless communication mode is adopted to replace the traditional wired communication mode, so that the multi-medium filtering system can effectively monitor whether each filter is drifted and the pollution level of a filter material.

Description

technical field [0001] The invention relates to an oily sewage treatment system, in particular to a multi-media filter system. Background technique [0002] At present, in industrial circulating water treatment systems, multi-media filtration systems are mostly used to remove impurities in sewage and absorb grease, so that the water quality meets the requirements for recycling. Usually, a multimedia filtration system consists of two or more multimedia filters, in which a filter material layer is formed by a variety of media, and during the filtration process, dirt in the water will gradually accumulate at the filter material layer. Because the impurity layer accumulates on the inner side of the filter material layer, a pressure difference is formed between the inner and outer sides of the filter material layer, which seriously affects the smooth progress of the filtration process of the multi-media filtration system. . Therefore, after a period of use, the multi-media filt...

Claims

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Application Information

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IPC IPC(8): C02F9/02
Inventor 余金海余金全余晓锋史佳
Owner ZHEJIANG JINLONG AUTOMATIC CONTROL EQUIP
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