Improved double-cyclone filter

Abstract

The utility model relates to an improved double-cyclone filter which comprises a vertical shell, the interior of the vertical shell is divided into three areas, namely an upper area, a middle area and a lower area, a water inlet and distribution pipe I is arranged in the upper area, a backwashing spiral combined pipe I is arranged below the water inlet and distribution pipe I, and a backwashing spiral combined pipe II is arranged below the backwashing spiral combined pipe I; a backwashing air inlet and distribution pipe I is arranged below the backwashing spiral combined pipe I, a water distribution perforated plate I is arranged below the backwashing air inlet and distribution pipe I, and a filter screen I covers the upper part of the water distribution perforated plate I. The device is small in occupied area, large in treatment capacity, uniform in backwashing gas distribution and good in fiber filter material cleaning effect.

Description

Technical Field

[0001] The utility model relates to a filtering device, in particular to a cyclone filter. Background Art

[0002] The double cyclone filter is a commonly used water treatment equipment. Water swirls in it and uses the difference in centrifugal force to separate and remove impurities to obtain filtered water.

[0003] The existing filter media filters of industrial circulating water treatment systems mainly include sand and gravel filters, fiber filters, and multi-media filters with mixed filter media. These filter devices have the disadvantages of small water treatment capacity, large floor space, low treatment efficiency, long backwashing time, and large backwashing water consumption during use. Utility Model Content

[0004] Purpose of the invention: The purpose of the utility model is to overcome the deficiencies in the prior art and to provide an improved double cyclone filter which has a small footprint, a large processing capacity, uniform backwashing air distribution, and a good effect in cleaning fiber filter materials.

[0005] Technical solution: In order to solve the above technical problems, the improved double cyclone filter described in the utility model includes a vertical shell, which is divided into three zones in the vertical shell, namely an upper zone, a middle zone and a lower zone, a water inlet distribution pipe I is provided in the upper zone, a backwash spiral combination pipe I is provided below the water inlet distribution pipe I, a backwash air inlet distribution pipe I is provided below the backwash spiral combination pipe I, a water distribution porous plate I is provided below the backwash air inlet distribution pipe I, a filter screen I is covered on the upper part of the water distribution porous plate I, a water outlet I and a manhole I are provided at the bottom of the upper zone, a modified fiber ball I is provided in the upper zone above the filter screen I, a water inlet distribution pipe II is provided in the middle zone, and a backwash spiral combination pipe I is provided below the water inlet distribution pipe II. Ⅱ, a backwash air inlet distribution pipe Ⅱ is provided below the backwash spiral combination pipe Ⅱ, a water distribution porous plate Ⅱ is provided below the backwash air inlet distribution pipe Ⅱ, a filter screen Ⅱ is covered on the upper part of the water distribution porous plate Ⅱ, a water outlet Ⅱ and a manhole Ⅱ are provided at the bottom of the middle area, a modified fiber ball Ⅱ is provided in the middle area above the filter screen Ⅱ, a water inlet distribution pipe Ⅲ is provided in the lower area, a backwash spiral combination pipe Ⅲ is provided below the water inlet distribution pipe Ⅲ, a backwash air inlet distribution pipe Ⅲ is provided below the backwash spiral combination pipe Ⅲ, a water distribution porous plate Ⅲ is provided below the backwash air inlet distribution pipe Ⅲ, a filter screen Ⅲ is covered on the upper part of the water distribution porous plate Ⅲ, a water outlet Ⅲ and a manhole Ⅲ are provided at the bottom of the lower area, and a modified fiber ball Ⅲ is provided in the lower area above the filter screen Ⅲ.

[0006] Furthermore, the backwash spiral combination pipe I includes an upper circular pipe I and a lower circular pipe I, which are connected by a pipeline I. A plurality of upward inclined openings I are provided on the inner side of the upper circular pipe I, and a plurality of downward inclined openings I are provided on the inner side of the lower circular pipe I.

[0007] Furthermore, the backwash air inlet air distribution pipe I includes a central perforated pipe I, and eight air distribution branch pipes I are arranged below the central perforated pipe I, and air distribution branch pipes I are arranged at the ends of seven of the air distribution branch pipes I, and holes are opened on both sides of the air distribution branch pipes I and the air distribution branch pipes I at an angle of 45° upwards.

[0008] Furthermore, the water distribution porous plate I is fully welded to the vertical shell, and a reinforcing channel steel I is provided on the back of the water distribution porous plate I.

[0009] Beneficial effect: Compared with the prior art, the utility model has the following significant advantages: the utility model has a reasonable overall structure, adopts a vertical shell, occupies a small area, and is provided with three zones in the vertical shell, with a large processing capacity, thereby improving the efficiency of the filter. A backwash spiral combination pipe I and a backwash air inlet distribution pipe I are provided below the water inlet distribution pipe I. The backwash spiral combination pipe I includes an upper circle pipe I and a lower circle pipe I, which are connected by a pipeline I. A plurality of upward inclined openings I are provided on the inner side of the upper circle pipe I, and a plurality of downward inclined openings I are provided on the inner side of the lower circle pipe I. The upper inclined openings I are provided on the inner side of the lower circle pipe I. Port Ⅰ and downward inclined port Ⅰ make water swirl, the backwash air inlet air distribution pipe Ⅰ includes a central perforated pipe Ⅰ, eight air distribution branch pipes Ⅰ are arranged below the central perforated pipe Ⅰ, and air distribution branch pipes Ⅰ are arranged at the ends of seven of the air distribution branch pipes Ⅰ. Holes are opened at an angle of 45° upward on both sides of the air distribution branch pipes Ⅰ and the air distribution branch pipes Ⅰ, the backwash air is evenly distributed, and the fiber filter material is well cleaned. A water distribution porous plate Ⅰ is arranged below the backwash air inlet air distribution pipe Ⅰ, and a filter screen Ⅰ is covered on the upper part of the water distribution porous plate Ⅰ. The filtration aperture of the filter screen Ⅰ is larger than the filtration aperture of the water distribution porous plate Ⅰ, secondary filtration is performed, and the filtration effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall internal structure of the utility model;

[0011] Figure 2 It is a schematic diagram of the arrangement of the upper circle tube I in the utility model;

[0012] Figure 3 It is a schematic diagram of the arrangement of the lower circle tube I in the utility model;

[0013] Figure 4 It is a schematic diagram of the arrangement of the backwash air inlet air pipe I in the utility model;

[0014] Figure 5 It is a schematic diagram of the arrangement of the water distribution porous plate I in the utility model;

[0015] Figure 6It is a schematic diagram of the arrangement of the filter screen I in the utility model. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the improved double cyclone filter described in the utility model comprises a vertical housing 1, which is divided into three zones in the vertical housing 1, namely an upper zone 2, a middle zone 3 and a lower zone 4, a water inlet distribution pipe Ⅰ5 is provided in the upper zone 2, a backwash spiral combination pipe Ⅰ6 is provided below the water inlet distribution pipe Ⅰ5, the backwash spiral combination pipe Ⅰ6 comprises an upper circular pipe Ⅰ6.1 and a lower circular pipe Ⅰ6.2, which are connected by a pipeline Ⅰ, a plurality of upper inclined ports Ⅰ6.3 are provided on the inner side of the upper circular pipe Ⅰ6.1, and a plurality of upper inclined ports Ⅰ6.3 are provided on the inner side of the lower circular pipe Ⅰ6.2. The lower inclined port Ⅰ6.4 is provided below the backwash spiral combined pipe Ⅰ6, and the backwash air inlet distribution pipe Ⅰ7 includes a central perforated pipe Ⅰ7.1, and eight air distribution branch pipes Ⅰ7.2 are provided below the central perforated pipe Ⅰ7.1, and air distribution branch pipes Ⅰ7.3 are provided at the ends of seven of the air distribution branch pipes Ⅰ7.2, and holes are opened at an angle of 45 degrees upward on both sides of the air distribution branch pipes Ⅰ7.2 and the air distribution branch pipes Ⅰ7.3, and a water distribution porous plate Ⅰ8 is provided below the backwash air inlet distribution pipe Ⅰ7, and a filter screen Ⅰ9 is covered on the upper part of the water distribution porous plate Ⅰ8 The water distribution porous plate Ⅰ8 is fully welded to the vertical shell 1, a reinforcing channel steel Ⅰ is provided on the back of the water distribution porous plate Ⅰ8, a water outlet Ⅰ10 and a manhole Ⅰ11 are provided at the bottom of the upper area 2, a modified fiber ball Ⅰ is provided in the upper area 2 above the filter screen Ⅰ9, a water inlet distribution pipe Ⅱ is provided in the middle area 3, a backwash spiral combination pipe Ⅱ is provided below the water inlet distribution pipe Ⅱ, a backwash air inlet distribution pipe Ⅱ is provided below the backwash spiral combination pipe Ⅱ, a water distribution porous plate Ⅱ is provided below the backwash air inlet distribution pipe Ⅱ, and a filter is covered on the upper part of the water distribution porous plate Ⅱ. Net II, a water outlet II and a manhole II are provided at the bottom of the middle area 3, a modified fiber ball II is provided in the middle area 3 above the filter screen II, a water inlet distribution pipe III is provided in the lower area 4, a backwash spiral combination pipe III is provided below the water inlet distribution pipe III, a backwash air inlet distribution pipe III is provided below the backwash spiral combination pipe III, a water distribution porous plate III is provided below the backwash air inlet distribution pipe III, a filter screen III is covered on the upper part of the water distribution porous plate III, a water outlet III and a manhole III are provided at the bottom of the lower area 4, and a modified fiber ball III is provided in the lower area 4 above the filter screen III.

[0018] The utility model has a reasonable overall structure, adopts a vertical shell, occupies a small area, and is provided with three zones in the vertical shell, with a large processing capacity, thereby improving the efficiency of the filter. A backwash spiral combination pipe I and a backwash air inlet distribution pipe I are provided below the water inlet distribution pipe I. The backwash spiral combination pipe I includes an upper circle pipe I and a lower circle pipe I, which are connected through a pipeline I. A plurality of upper inclined ports I are provided on the inner side of the upper circle pipe I, and a plurality of lower inclined ports I are provided on the inner side of the lower circle pipe I. The upper inclined ports I and the lower inclined ports I make water swirl. The backwash air inlet distribution pipe I comprises a central perforated pipe I, and eight air distribution branch pipes I are arranged below the central perforated pipe I, and air distribution branch pipes I are arranged at the ends of seven of the air distribution branch pipes I. Holes are opened at an angle of 45° upward on both sides of the air distribution branch pipes I and the air distribution branch pipes I, so that the backwashing air is evenly distributed and the fiber filter material is effectively cleaned. A water distribution porous plate I is arranged below the backwash air inlet distribution pipe I, and a filter screen I is covered on the upper part of the water distribution porous plate I. The filtration aperture of the filter screen I is larger than the filtration aperture of the water distribution porous plate I, so that secondary filtration is performed with good filtration effect.

[0019] The present invention provides a thought and method. There are many methods and ways to implement the technical solution. The above is only the preferred implementation mode of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. Improved double cyclone filter, characterized by: The invention comprises a vertical shell (1), wherein the vertical shell (1) is divided into three zones, namely an upper zone (2), a middle zone (3) and a lower zone (4); a water inlet distribution pipe I (5) is provided in the upper zone (2); a backwash spiral combination pipe I (6) is provided below the water inlet distribution pipe I (5); a backwash air inlet distribution pipe I (7) is provided below the backwash spiral combination pipe I (6); a water distribution porous plate I (8) is provided below the backwash air inlet distribution pipe I (7); a filter screen I (9) is provided on the upper part of the water distribution porous plate I (8); a water outlet I (10) and a manhole I (11) are provided at the bottom of the upper zone (2); a modified fiber ball I is provided in the upper zone (2) above the filter screen I (9); a water inlet distribution pipe II is provided in the middle zone (3); a backwash spiral combination pipe I (6) is provided below the backwash spiral combination pipe I (6); a water distribution porous plate I (8) is provided below the backwash air inlet distribution pipe I (7); a filter screen I (9) is provided on the upper part of the water distribution porous plate I (8); a water outlet I (10) and a manhole I (11) are provided at the bottom of the upper zone (2); a modified fiber ball I is provided in the upper zone (2) above the filter screen I (9); a water inlet distribution pipe II is provided in the middle zone (3); a backwash spiral combination pipe I (7) is provided below the backwash spiral combination pipe I (6 ... A backwash spiral combined pipe II is provided below the backwash spiral combined pipe II, a water distribution porous plate II is provided below the backwash air distribution pipe II, a filter screen II is covered on the upper part of the water distribution porous plate II, a water outlet II and a manhole II are provided at the bottom of the middle area (3), a modified fiber ball II is provided in the middle area (3) above the filter screen II, a water inlet distribution pipe III is provided in the lower area (4), a backwash spiral combined pipe III is provided below the water inlet distribution pipe III, a backwash air distribution pipe III is provided below the backwash spiral combined pipe III, a water distribution porous plate III is provided below the backwash air distribution pipe III, a filter screen III is covered on the upper part of the water distribution porous plate III, a water outlet III and a manhole III are provided at the bottom of the lower area (4), and a modified fiber ball III is provided in the lower area (4) above the filter screen III.

2. The improved double cyclone filter according to claim 1, characterized in that: The backwash spiral combined pipe I (6) comprises an upper circular pipe I (6.1) and a lower circular pipe I (6.2), which are connected via a pipeline I. A plurality of upwardly inclined openings I (6.3) are provided on the inner side of the upper circular pipe I (6.1), and a plurality of downwardly inclined openings I (6.4) are provided on the inner side of the lower circular pipe I (6.2).

3. The improved double cyclone filter according to claim 1, characterized in that: The backwash air inlet distribution pipe I (7) comprises a central perforated pipe I (7.1), eight distribution branch pipes I (7.2) are arranged below the central perforated pipe I (7.1), seven of which are provided with air distribution branch pipes I (7.3) at the ends, and holes are opened on both sides of the air distribution branch pipes I (7.2) and the air distribution branch pipes I (7.3) at an angle of 45 degrees upward.

4. The improved double cyclone filter according to claim 1, characterized in that: The water distribution porous plate I (8) is fully welded to the vertical shell (1), and a reinforcing channel steel I is provided on the back of the water distribution porous plate I (8).

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