Filter

A filter and filter unit technology, which is applied to fixed filter element filters, filtration separation, chemical instruments and methods, etc., can solve the problems of high failure maintenance rate, pipelines cannot supply and transport media normally, and complex structure, and achieves the axis Strong rotating force and good swirl backwashing effect

Inactive Publication Date: 2009-01-28
王克涛
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its structure is relatively complex, the troubleshooting rate is high, and it needs to be shut down during maintenance, so that the pipeline cannot supply and transport the medium normally.
When the filter is back-cleaning impurities, each filter unit must be shut down one by one for back-cleaning, and the other filter units are working normally, but because one filter unit is missing, the pressure and flow of the supply medium are affected

Method used

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Embodiment Construction

[0031] like Figure 1-5 Shown, filter structure of the present invention is as follows:

[0032] The filter is composed of an inlet pipeline 3, a filter unit group 2, a sewage pipeline 5, an outlet pipeline 9 and the like. Inlet pipeline 3 communicates with the inlet of each filter unit of filter unit group 2, and outlet pipeline 9 communicates with the outlet of each filter unit of filter unit group 2; The valve body at the bottom of the filter unit 4 is equipped with a solenoid valve 6 that controls the opening and closing of the valve body; there is a filter inlet 1 at one end of the inlet pipeline 3, and between the inlet pipeline 3 and each filter unit of the filter unit group 2 There is an inlet shut-off valve 10, and the inlet pipeline 3 is connected to each filter unit through the inlet shut-off valve 10; a bypass shut-off valve 11 is provided at the lower part of the inlet pipeline 3, and the lower part of the bypass shut-off valve 11 is connected to the outlet pipel...

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Abstract

The invention relates to a device which carries out the filtration on the fluid medium conveyed by the pipeline, in particular to a cleanable filter which can realize the hydrocyclone separation, surface interception and deep filtration of the impurity in the fluid medium at the same time. The filter is provided with an inlet pipeline, a filter unit group, a sewage drainage pipeline and an outlet pipeline; the filter unit group is internally provided with a standby filter unit; an inlet cutting valve is arranged between all filter units of the inlet pipeline and the filter unit group; the inlet pipeline is connected with each filter unit by the inlet cutting valve; an outlet cutting valve is arranged between all filter units of the outlet pipeline and the filter unit group; the output pipeline is connected with each filter unit by the outlet cutting valve. The device of the invention can carry out the maintenance under the situation that shutdown is not necessary and the pipeline normally conveys the medium, can replace the filter unit; furthermore, when the impurities are automatically back-cleaned, the pressure and flux of the conveyed medium can be ensured to be stable.

Description

technical field [0001] The invention relates to a device for filtering a fluid medium transported by a pipeline, in particular to a washable filter capable of simultaneously realizing cyclone separation, surface interception and deep filtration of impurities in the fluid medium. Background technique [0002] Existing disc type (or lamination type) self-cleaning filters all are combined by several filter units. Each filter unit is composed of a unit housing, a grooved disc group, a three-column reverse nozzle, a unit housing seat and a reversing valve. Its structure is relatively complicated, the troubleshooting rate is high, and it needs to be shut down during maintenance, so that the pipeline cannot supply and transport medium normally. When the filter is back-cleaning impurities, each filter unit must be shut down one by one for back-cleaning, and other filter units are working normally, but because one filter unit is missing, the pressure and flow of the supply medium ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D35/02
CPCB01D29/15B01D35/303B01D29/66
Inventor 王克涛
Owner 王克涛
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