Wastewater filtering device with anti-blocking structure

Abstract

The utility model discloses a wastewater filtering device with an anti-blocking structure. The wastewater filtering device comprises a bottom plate, a first filtering kettle and a second filtering kettle, the first filtering kettle and the second filtering kettle are installed on the two sides of the top end of the bottom plate respectively, the top end of the first filtering kettle and the top end of the second filtering kettle are fixedly connected with a top plate, filtering nets are installed in the second filtering kettle and the first filtering kettle, and U-shaped frames are rotationally connected in the second filtering kettle and the first filtering kettle. According to the utility model, the double filter kettles are arranged for filtering alternately, and when one filter screen is blocked, the other filter screen is used for filtering sewage, so that shutdown maintenance is avoided, and the sewage filtering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater filtration, in particular to a wastewater filtration device with an anti-clogging structure. Background Art

[0002] Wastewater filtration device is a kind of wastewater purification equipment that filters domestic or other sewage. It can remove particulate matter and other harmful substances in wastewater, realize the reuse of wastewater, and is conducive to the conservation and utilization of water resources.

[0003] However, the existing wastewater filtering device is prone to cause large particles of debris in the wastewater to block the front screening net while filtering the wastewater, affecting the filtering effect of the wastewater. At the same time, it is inconvenient to replace and clean the filter net.

[0004] Therefore, how to provide a wastewater filtering device with an anti-clogging structure to solve the problems existing in the prior art is of great significance to its application. Utility Model Content

[0005] In view of this, the purpose of the present application is to provide a wastewater filtration device with an anti-clogging structure to solve the problem that the existing wastewater filtration device is prone to clogging the pre-screening net with large particles in the wastewater while filtering the wastewater, thereby affecting the filtering effect of the wastewater and making it inconvenient to replace and clean the filter net.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A wastewater filtering device with an anti-clogging structure comprises a bottom plate, a first filtering kettle and a second filtering kettle;

[0008] The first filter kettle and the second filter kettle are respectively installed on both sides of the top of the bottom plate, the top of the first filter kettle and the second filter kettle are fixedly connected with a top plate, the inside of the second filter kettle and the first filter kettle are both installed with filter screens, the inside of the second filter kettle and the first filter kettle are both rotatably connected with a U-shaped frame, and the U-shaped frame is in contact with the outer wall of the filter screen.

[0009] Preferably, a rotating motor is installed at the bottom end of the base plate, and the output shaft of the rotating motor is drivingly connected to the U-shaped frame.

[0010] Preferably, two extraction pipes are installed at the top end of the top plate, and the bottom ends of the two extraction pipes extend to the interior of the filter screen.

[0011] Preferably, a water pump is installed in the middle of the top of the top plate, an extraction three-way valve is installed at the water inlet end of the water pump, and cleaning three-way valves are installed at the two water inlet ends of the extraction three-way valve. The cleaning three-way valve is connected to the extraction pipe, and the cleaning three-way valve is connected to the clean water inlet pipe.

[0012] Preferably, a sewage three-way valve is installed in the middle of the top of the bottom plate, and two water outlet ends of the sewage three-way valve are connected to the first filter kettle and the second filter kettle respectively through sewage inlet pipes.

[0013] Preferably, the bottom ends of the first filter kettle and the second filter kettle are both connected to sewage discharge valves.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model sets up double filter kettles for filtering in rotation. When one of the filter nets is blocked, the other filter net is used to filter the sewage, avoiding shutdown for maintenance and improving sewage filtering efficiency.

[0016] 2. The filter screen of the utility model can be backwashed. The external clean water fills the filter kettle, and then the motor is started to drive the U-shaped frame to clean the filter screen. The automatic cleaning makes it easy to realize the double kettle rotation filtration.

[0017] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application so that it can be implemented in accordance with the contents of the specification, and to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the following is a detailed description of the preferred embodiments of the present application in conjunction with the accompanying drawings as follows.

[0018] Based on the detailed description of the specific embodiments of the present application in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other objects, advantages and features of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the utility model after being opened.

[0022] In the figure: 1, bottom plate; 2, first filter kettle; 3, sewage inlet pipe; 4, sewage three-way valve; 5, extraction three-way valve; 6, water suction pipe; 7, water pump; 8, rotating motor; 9, cleaning three-way valve; 10, clean water inlet pipe; 11, top plate; 12, second filter kettle; 13, sewage discharge valve; 14, U-shaped frame; 15, extraction pipe; 16, filter. DETAILED DESCRIPTION

[0023] To make the purpose, technical scheme and advantages of the embodiment of the present application clearer, the technical scheme in the embodiment of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the present application. Obviously, the described embodiment is a part of the embodiment of the present application, rather than all of the embodiments. In the following description, specific details such as specific configuration and components are provided only to help fully understand the embodiments of the present application. Therefore, it should be clear to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, for clarity and brevity, the description of known functions and structures is omitted in the embodiment.

[0024] In addition, the present application may repeat reference numerals and / or letters in different examples. This repetition is for the purpose of simplicity and clarity, and does not in itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] The term "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist at the same time. The term " / and" in this article describes another type of association object relationship, indicating that there can be two relationships. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the previous and next associated objects are in an "or" relationship.

[0026] It should also be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusions.

[0027] See also Figure 1-2 , the present invention provides a technical solution of a wastewater filtering device with an anti-clogging structure: comprising a bottom plate 1, a first filtering kettle 2 and a second filtering kettle 12;

[0028] The first filter kettle 2 and the second filter kettle 12 are respectively installed on both sides of the top of the bottom plate 1, and the top of the first filter kettle 2 and the second filter kettle 12 are fixedly connected with the top plate 11, and the inside of the second filter kettle 12 and the first filter kettle 2 are both installed with a filter screen 16, and the inside of the second filter kettle 12 and the first filter kettle 2 are both rotatably connected with a U-shaped frame 14, and the U-shaped frame 14 is in contact with the outer wall of the filter screen 16.

[0029] A rotating motor 8 is installed at the bottom end of the base plate 1 , and the output shaft of the rotating motor 8 is drivingly connected to the U-shaped frame 14 .

[0030] Two extraction pipes 15 are installed at the top of the top plate 11, and the bottom ends of the two extraction pipes 15 extend to the inside of the filter 16. A water pump 7 is installed in the middle of the top of the top plate 11. An extraction three-way valve 5 is installed at the water inlet end of the water pump 7. A cleaning three-way valve 9 is installed at the two water inlet ends of the extraction three-way valve 5. The cleaning three-way valve 9 is connected to the extraction pipe 15, and the cleaning three-way valve 9 is connected to the clean water inlet pipe 10. A sewage three-way valve 4 is installed in the middle of the top of the bottom plate 1. The two water outlet ends of the sewage three-way valve 4 are connected to the sewage inlet pipe 10 respectively. 3 is connected to the first filter kettle 2 and the second filter kettle 12. The bottom ends of the first filter kettle 2 and the second filter kettle 12 are both connected with a sewage discharge valve 13. The three-way valve 9 for cleaning switches the extraction pipe 15 to be connected with the clean water inlet pipe 10. The clean water passes through the extraction pipe 15 to backwash the filter screen 16 and fill the first filter kettle 2 with clean water. Then, the motor 8 is started to drive the U-shaped frame 14 to rotate and clean the outer surface of the filter screen 16. After cleaning, the sewage discharge valve 13 is opened to discharge the cleaned sewage to keep the filter screen 16 clean.

[0031] When used specifically, the utility model has two filtering modes. When the first filtering kettle 2 is used for filtering, the sewage discharge valve 13 is closed, the sewage three-way valve 4 is switched to be connected with the first filtering kettle 2, and the cleaning three-way valve 9 above the first filtering kettle 2 switches the extraction pipe 15 to be connected with the extraction three-way valve 5, and the extraction three-way valve 5 is switched to be connected with the water pump 7. At this time, the sewage enters the first filtering kettle 2 and is filtered through the filter screen 16 inside the first filtering kettle 2. The filtered clear liquid is extracted through the extraction pipe 15 to complete the filtration. When the first filtering kettle 2 is When the filter screen 16 is clogged, the pipeline is switched, the sewage three-way valve 4 is switched to be connected with the second filter kettle 12, the internal filter screen 16 in the second filter kettle 12 is used for sewage filtering, and the cleaning three-way valve 9 switches the extraction pipe 15 to be connected with the clean water inlet pipe 10, the clean water backwashes the filter screen 16 through the extraction pipe 15, and fills the first filter kettle 2 with clean water, and then starts the motor 8 to drive the U-shaped frame 14 to rotate and clean the outer surface of the filter screen 16. After cleaning, open the sewage discharge valve 13 to discharge the cleaned sewage and keep the filter screen 16 clean.

[0032] The above description is only the preferred embodiment of the utility model, which does not limit the protection scope of the utility model. For those skilled in the art, the utility model can be modified and varied in various ways. Any changes, modifications, substitutions, integrations and parameter changes to these embodiments within the spirit and principle of the utility model through conventional substitutions or capable of achieving the same functions without departing from the principles and spirit of the utility model shall fall within the protection scope of the utility model.

Claims

1. A wastewater filtration device with an anti-clogging structure, characterized in that: It comprises a bottom plate (1), a first filtering kettle (2) and a second filtering kettle (12); The first filter kettle (2) and the second filter kettle (12) are respectively mounted on both sides of the top of the bottom plate (1); the tops of the first filter kettle (2) and the second filter kettle (12) are fixedly connected to the top plate (11); the insides of the second filter kettle (12) and the first filter kettle (2) are both installed with filter screens (16); the insides of the second filter kettle (12) and the first filter kettle (2) are both rotatably connected with U-shaped frames (14); the U-shaped frames (14) are in contact with the outer wall of the filter screen (16).

2. A wastewater filtration device with an anti-clogging structure as claimed in claim 1, characterized in that: A rotating motor (8) is installed at the bottom end of the base plate (1), and the output shaft of the rotating motor (8) is drivingly connected to the U-shaped frame (14).

3. A wastewater filtration device with an anti-clogging structure as claimed in claim 2, characterized in that: Two extraction pipes (15) are installed at the top end of the top plate (11), and the bottom ends of the two extraction pipes (15) extend to the inside of the filter screen (16).

4. A wastewater filtration device with an anti-clogging structure as claimed in claim 3, characterized in that: A water pump (7) is installed in the middle of the top of the top plate (11), an extraction three-way valve (5) is installed at the water inlet end of the water pump (7), a cleaning three-way valve (9) is installed at the two water inlet ends of the extraction three-way valve (5), the cleaning three-way valve (9) is connected to the extraction pipe (15), and the cleaning three-way valve (9) is connected to the clean water inlet pipe (10).

5. A wastewater filtration device with an anti-clogging structure as claimed in claim 3, characterized in that: A sewage three-way valve (4) is installed in the middle of the top of the bottom plate (1), and two water outlet ends of the sewage three-way valve (4) are respectively connected to the first filter kettle (2) and the second filter kettle (12) through the sewage inlet pipe (3).

6. A wastewater filtration device with an anti-clogging structure as claimed in claim 3, characterized in that: The bottom ends of the first filter kettle (2) and the second filter kettle (12) are both connected to a sewage discharge valve (13).

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