WINCC-based bag filter control system and control method

A technology of bag filter and control system, which is applied to chemical instruments and methods, separation methods, and separation of dispersed particles, etc., which can solve the problems of large system differential pressure, complicated operation, and high failure rate, and achieve small air consumption and stable performance , the effect of reducing labor intensity

Inactive Publication Date: 2015-12-23
HANDAN XINXING SPECIAL TUBING CO LTD
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Problems solved by technology

[0003] At present, most bag-type dust collectors are controlled manually on the spot with a panel-mounted meter. On the one hand, the operation is complicated and the failure rate is high. On the other hand, the system differential pressure is large and the energy consumption is large.

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  • WINCC-based bag filter control system and control method

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in combination with the embodiments of the present invention and the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] see figure 1 , in an embodiment of the present invention, a WINCC-based bag filter control system includes a host computer, a WINCC man-machine interface system, a PLC programmable controller, a detection instrument, a lifting solenoid valve and a blowing pulse valve; the host computer passes The Ethernet is connected to the WINCC man-machine interface system, the WINCC man-machine interface system is connected to the PLC programmable c...

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Abstract

The invention discloses a WINCC-based bag filter control system and a control method. The WINCC-based bag filter control system comprises a host computer, a WINCC human-computer interface system, a PLC (programmable logic controller), a detection meter, a lifting solenoid valve and a jetting pulse valve; the host computer is connected with the WINCC human-computer interface system via ethernet; the input port of the PLC is connected with the signal output terminal of the detection meter, and the output port of the PLC is connected with the lifting solenoid valve, the jetting pulse valve and a coil of a relay; and the lifting valve and the jetting pulse valve are connected with a power supply via a normally open contact via the relay. By employing the PLC, timed or constant-resistance automatic blowing for cleaning ash is performed, gas consumption is small and ash is cleaned thoroughly. By combining with the WINCC human-computer interface system, the labor efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of dust removal equipment, in particular to a WINCC-based bag filter control system and a control method thereof. Background technique [0002] Bag filter is widely used in building materials, metallurgy, chemical industry and other industries. Its purpose is to filter and remove dust. When the dusty gas flows through the bag, the dust is trapped on the fiber body, and the gas flows through the bag continuously. Its main components include box body, cloth bag, dust cleaning equipment and back blowing equipment, etc. During the working process of the bag filter, when the bag is clean, the main thing that intercepts is the fiber body. With the continuous increase of dust on the fiber body, due to the effects of screening, collision, retention, diffusion, and static electricity, the filter bag There is a layer of dust accumulated on the surface, which is called the first layer. During the subsequent movement, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/02B01D46/46
Inventor 张普
Owner HANDAN XINXING SPECIAL TUBING CO LTD
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