Backwashing structure for double-cyclone filter
By designing the structure of the backwash spiral combination tube and the backwash intake cloth air pipe in the double cyclone filter, the problems of low processing efficiency and large backwashing water consumption of the existing filter filter are solved, and the uniformity of backwashing and efficient cleaning of the fiber filter are achieved.
Patent Information
- Application Number
- CN202421766607.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The filter filters of existing industrial circulating water treatment systems have problems such as small water treatment, large area, low treatment efficiency, long backwashing time and large water consumption.
A backwashing structure for double cyclone filters is designed, including a backwash spiral combination tube and a backwash intake air cloth pipe in the shell. Through the connection between the upper circle tube and the lower circle tube, an upper inclined and lower inclined outlet is formed, and the central opening pipe and the air cloth pipe are combined to achieve uniform air cloth and effective cleaning of fiber filter materials.
Through reasonable gas distribution and cyclone design, this structure achieves uniformity of backwash and efficient cleaning of fiber filter materials, improves backwashing effect, and reduces water consumption and floor area.
Smart Images
Figure CN222854723U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a backwashing structure, in particular to a backwashing structure for a flow 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 problems such as small water treatment capacity, large floor space, and low treatment efficiency during use. In addition, the backwash unit has problems such as long backwashing time and large backwashing water consumption. 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 a backwash structure for a double cyclone filter that has uniform backwash air distribution and good cleaning effect on fiber filter materials.
[0005] Technical solution: In order to solve the above technical problems, the double cyclone filter described in the utility model has a backwashing structure, which includes a backwashing spiral combination pipe arranged in a shell, a backwashing air inlet air distribution pipe is arranged below the backwashing spiral combination pipe, the backwashing spiral combination pipe includes an upper circular pipe and a lower circular pipe, which are connected by a pipeline, a plurality of upper inclined outlets are arranged on the inner side of the upper circular pipe, and a plurality of lower inclined outlets are arranged on the inner side of the lower circular pipe, the backwashing air inlet air distribution pipe includes a central perforated pipe, eight air distribution branch pipes are arranged below the central perforated pipe, air distribution branch pipes are arranged at the ends of seven of the air distribution branch pipes, and holes are opened on both sides of the air distribution branch pipes and the air distribution branch pipes at an angle of 45° upwards.
[0006] Furthermore, a plurality of partitions are provided from top to bottom in the shell, and a backwash spiral combination pipe and a backwash air inlet distribution pipe are provided in each partition.
[0007] Furthermore, the swirl direction formed by the upper inclined outlet is opposite to the swirl direction formed by the lower inclined outlet.
[0008] Furthermore, the outer diameter of the backwash spiral combined pipe is smaller than the outer diameter of the backwash air inlet distribution pipe.
[0009] Furthermore, the central opening tube extends into the interior of the backwash spiral combination tube.
[0010] Beneficial effect: Compared with the prior art, the utility model has the following significant advantages: the overall structure of the utility model is reasonably arranged, the backwash spiral combination pipe I comprises an upper circle pipe I and a lower circle pipe I, which are connected by a pipeline I, a plurality of upper inclined ports I are arranged on the inner side of the upper circle pipe I, a plurality of lower inclined ports I are arranged on the inner side of the lower circle pipe I, the upper inclined ports I and the lower inclined ports I make the water swirl, the backwash air intake air distribution pipe I comprises a central opening pipe I, eight air distribution branch pipes I are arranged below the central opening pipe I, 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 distribution is uniform, and the effect of cleaning the fiber filter material is good, a plurality of partitions are arranged from top to bottom in the shell, a backwash spiral combination pipe and a backwash air intake air distribution pipe are arranged in each partition, and the backwash effect is further improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the setting of the utility model;
[0012] Figure 2 It is a schematic diagram of the arrangement of the upper circle tube I in the utility model;
[0013] Figure 3 It is a schematic diagram of the arrangement of the lower circle tube I in the utility model;
[0014] Figure 4 It is a schematic diagram of the arrangement of the backwash air inlet air distribution pipe I in the utility model. DETAILED DESCRIPTION
[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0016] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the backwashing structure for the double cyclone filter described in the utility model comprises a backwashing spiral combined pipe 2 arranged in a housing 1, a backwashing air inlet distribution pipe 3 is arranged below the backwashing spiral combined pipe 2, a plurality of partitions are arranged from top to bottom in the housing 1, a backwashing spiral combined pipe 2 and a backwashing air inlet distribution pipe 3 are arranged in each partition, the outer diameter of the backwashing spiral combined pipe 2 is smaller than the outer diameter of the backwashing air inlet distribution pipe 3, the backwashing spiral combined pipe 2 comprises an upper circular pipe 2.1 and a lower circular pipe 2.2, which are connected by a pipeline, and a plurality of backwashing spiral combined pipes 2.1 are arranged inside the upper circular pipe 2.1. An upper inclined outlet 2.3 is provided, and a plurality of lower inclined outlets 2.4 are provided on the inner side of the lower circular tube 2.2. The swirl direction formed by the upper inclined outlet 2.3 is opposite to the swirl direction formed by the lower inclined outlet 2.4. The backwash air inlet air distribution pipe 3 includes a central perforated pipe 3.1, and eight air distribution branch pipes 3.2 are provided below the central perforated pipe 3.1. Air distribution branch pipes 3.3 are provided at the ends of seven of the air distribution branch pipes 3.2. Holes are opened at an angle of 45° upward on both sides of the air distribution branch pipes 3.2 and the air distribution branch pipes 3.3. The central perforated pipe 3.1 extends into the interior of the backwash spiral combination pipe 2.
[0017] The overall structure of the utility model is reasonably arranged. The backwash spiral combination pipe I comprises an upper circle pipe I and a lower circle pipe I, which are connected by a pipeline I. A plurality of upper inclined ports I are arranged on the inner side of the upper circle pipe I, and a plurality of lower inclined ports I are arranged 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 intake air distribution pipe I comprises 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. Openings 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 distribution is uniform and the effect of cleaning the fiber filter material is good. A plurality of partitions are arranged from top to bottom in the shell, and a backwash spiral combination pipe and a backwash air intake air distribution pipe are arranged in each partition, so as to further improve the backwash effect.
[0018] 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. Double cyclone filter backwashing structure, characterized by: The invention comprises a backwashing spiral combined pipe (2) arranged in a shell (1), a backwashing air inlet distribution pipe (3) being arranged below the backwashing spiral combined pipe (2), the backwashing spiral combined pipe (2) comprising an upper circular pipe (2.1) and a lower circular pipe (2.2), which are connected via a pipeline, a plurality of upwardly inclined outlets (2.3) being arranged on the inner side of the upper circular pipe (2.1), and a plurality of downwardly inclined outlets (2.4) being arranged on the inner side of the lower circular pipe (2.2), the backwashing air inlet distribution pipe (3) comprising a central perforated pipe (3.1), eight air distribution branch pipes (3.2) being arranged below the central perforated pipe (3.1), air distribution branch pipes (3.3) being arranged at the ends of seven of the air distribution branch pipes (3.2), and holes being opened at an angle of 45° upward on both sides of the air distribution branch pipes (3.2) and the air distribution branch pipes (3.3).
2. The backwashing structure for the double cyclone filter according to claim 1 is characterized in that: A plurality of partitions are arranged from top to bottom in the shell (1), and a backwash spiral combination pipe (2) and a backwash air inlet distribution pipe (3) are arranged in each partition.
3. The backwashing structure for the double cyclone filter according to claim 1 is characterized in that: The direction of the swirl formed by the upper inclined outlet (2.3) is opposite to the direction of the swirl formed by the lower inclined outlet (2.4).
4. The backwashing structure for the double cyclone filter according to claim 1 is characterized in that: The outer diameter of the backwash spiral combined pipe (2) is smaller than the outer diameter of the backwash air inlet distribution pipe (3).
5. The backwashing structure for the double cyclone filter according to claim 1 is characterized in that: The central opening tube (3.1) extends into the interior of the backwash spiral combination tube (2).