CN217745927U - A filter equipment for domestic sewage - Google Patents

Abstract

The utility model relates to a filtering device for domestic sewage, which comprises a filtering box with a hollow cavity, wherein a first filtering net, a second filtering net and a third filtering net are arranged in the filtering box at intervals in sequence; the middle part of the first chamber is provided with a rotating shaft; one end of the rotating shaft is provided with a cleaning component; the filtering device also comprises a driving mechanism for driving the rotating shaft to rotate; during cleaning, the driving mechanism drives the rotating shaft to rotate, and the rotating shaft drives the cleaning assembly to do circular motion on the first filter screen. The filtering device for domestic sewage is simple in structure, domestic sewage is filtered through the first filter screen, the second filter screen and the third filter screen which are sequentially arranged at intervals, multi-stage treatment of the domestic sewage can be realized, and the sewage treatment effect is greatly improved; during cleaning, the driving mechanism drives the rotating shaft to rotate, the rotating shaft drives the cleaning assembly to do circular motion on the first filter screen, attachments on the first filter screen are cleaned, cleaning is thorough, and the filtering efficiency is high.

Description

A filter equipment for domestic sewage

Technical Field

The utility model relates to a domestic sewage treatment technical field, more specifically say, relate to a filter equipment for domestic sewage.

Background

The pollutants contained in the domestic sewage are mainly organic matters (such as protein, carbohydrate, fat, urea, ammonia nitrogen and the like) and a large amount of pathogenic microorganisms (such as parasitic ova, intestinal infectious viruses and the like). Organic matters existing in domestic sewage are extremely unstable and easily decomposed to generate offensive odor. Present family domestic sewage treatment plant is generally fairly simple, mainly filters out through the pollutant of filter screen in with domestic sewage, and filter equipment can remain a large amount of filter residues on the filter screen after long-time use, and the filter residue is discharged from the drain to the built-in superiors' filter plate of most of filter equipment mainly through the mode of water-washed, washs not thoroughly, can influence the filter effect next time.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, a filter equipment for domestic sewage is provided.

The utility model provides a technical scheme that its technical problem adopted is: a filtering device for domestic sewage comprises a filtering box with a hollow cavity, wherein a first filtering net, a second filtering net and a third filtering net are sequentially arranged in the filtering box at intervals; the first filter screen, the second filter screen and the third filter screen divide the hollow cavity into a first cavity, a second cavity, a third cavity and a fourth cavity; the upper end of the first chamber is provided with a water inlet; a water outlet is formed in the lower end of the fourth cavity; a rotating shaft vertical to the first filter screen is arranged in the middle of the first chamber; a cleaning assembly is arranged at one end of the rotating shaft close to the first filter screen; the cleaning assembly comprises a connecting plate fixedly connected with the rotating shaft; a cleaning brush for cleaning attachments on the first filter screen is fixedly arranged on the connecting plate; a sewage draining outlet is formed in the lower end of the first cavity; the filtering device also comprises a driving mechanism for driving the rotating shaft to rotate; during cleaning, the driving mechanism drives the rotating shaft to rotate, and the rotating shaft drives the cleaning assembly to do circular motion on the first filter screen;

the filtering device for domestic sewage of the utility model is characterized in that the first filter screen, the second filter screen and the third filter screen are detachably connected with the filter box;

the utility model discloses a filter equipment for domestic sewage, wherein, the one side that the first filter screen back to the washing subassembly is equipped with a plurality of first support columns; a plurality of second support columns are fixedly arranged on two sides of the second filter screen respectively; a plurality of third support columns are fixedly arranged on two sides of the third filter screen respectively;

the utility model discloses a filter equipment for domestic sewage, wherein, the upper inner wall of rose box is equipped with the first constant head tank that supplies the installation of first filter screen, supplies the second constant head tank that the installation of second filter screen, and supplies the third constant head tank that the installation of third filter screen; the lower surface of the filter box is provided with a first insertion opening for the first filter screen to pass through, a second insertion opening for the second filter screen to pass through and a third insertion opening for the third filter screen to pass through;

the filtering device for domestic sewage of the utility model is characterized in that the first positioning groove is arranged opposite to the first insertion hole; the second positioning groove is opposite to the second insertion opening; the third positioning groove is opposite to the third insertion opening; the first insertion hole, the second insertion hole and the third insertion hole are all sleeved with sealing sleeve covers;

the utility model discloses a filter equipment for domestic sewage, wherein, the cross section of filter box is circular;

the utility model discloses a filter equipment for domestic sewage, wherein, the density of first filter screen is less than the density of second filter screen; and the density of the second filter is less than the density of the third filter.

The beneficial effects of the utility model reside in that: the filtering device for domestic sewage is simple in structure, and can realize multi-stage treatment of domestic sewage by filtering the domestic sewage through the first filter screen, the second filter screen and the third filter screen which are sequentially arranged at intervals, so that the sewage treatment effect is greatly improved; during cleaning, the driving mechanism drives the rotating shaft to rotate, the rotating shaft drives the cleaning assembly to do circular motion on the first filter screen, attachments on the first filter screen are cleaned, cleaning is thorough, and the filtering efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:

fig. 1 is a sectional view of a filtering apparatus for domestic sewage according to a preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, belong to the protection scope of the present invention.

The filtering apparatus for domestic sewage according to the preferred embodiment of the present invention, as shown in fig. 1, comprises a filtering box 100 with a hollow chamber, wherein a first filtering net 101, a second filtering net 102 and a third filtering net 103 are sequentially arranged in the filtering box 100 at intervals; the first filter 101, the second filter 102 and the third filter 103 divide the hollow chamber into a first chamber 104, a second chamber 105, a third chamber 106 and a fourth chamber 107; the upper end of the first chamber 104 is provided with a water inlet 108; the lower end of the fourth chamber 107 is provided with a water outlet 109; the water inlet 108 and the water outlet 109 are both provided with electromagnetic valves 125; the middle part of the first chamber 104 is provided with a rotating shaft 110 which is vertical to the first filter screen 101; one end of the rotating shaft 110 close to the first filter screen 101 is provided with a cleaning component; the cleaning component comprises a connecting plate 111 fixedly connected with the rotating shaft 110; a cleaning brush 112 for cleaning attachments on the first filter screen 101 is fixedly arranged on the connecting plate 111; the lower end of the first chamber 104 is provided with a sewage outlet 113; the filtering device further comprises a driving mechanism 114 for driving the rotating shaft 110 to rotate; during cleaning, the driving mechanism 114 drives the rotating shaft 110 to rotate, and the rotating shaft 110 drives the cleaning assembly to perform circular motion on the first filter screen 101.

The filtering device for domestic sewage is simple in structure, and can realize multi-stage treatment of domestic sewage by filtering the domestic sewage through the first filter screen, the second filter screen and the third filter screen which are sequentially arranged at intervals, so that the sewage treatment effect is greatly improved; during cleaning, the driving mechanism drives the rotating shaft to rotate, the rotating shaft drives the cleaning assembly to do circular motion on the first filter screen, attachments on the first filter screen are cleaned, cleaning is thorough, and the filtering efficiency is high.

Specifically, the cross section of the filter box 100 is circular, and the first filter screen, the second filter screen and the third filter screen are circular, which is convenient to install. It is worth to be noted that the rotating shaft and the first filter screen are coaxially arranged, and the length of the connecting plate is half of the diameter of the first filter screen; when the rotating shaft rotates, the cleaning assembly does circular motion on the first filter screen to clean the attachments on the first filter screen, and the cleaning is convenient.

Specifically, the first filter 101, the second filter 102 and the third filter 103 are detachably connected to the filter box 100. If first filter screen or second filter screen or third filter screen need wash or when replacing, convenient dismantlement need not replace whole filter equipment, has practiced thrift the cost.

Specifically, a plurality of first support columns 115 are arranged on one side of the first filter screen 101, which faces away from the cleaning assembly; a plurality of second supporting columns 116 are fixedly arranged on two sides of the second filter screen 102 respectively; the both sides of third filter screen 103 set firmly a plurality of third support columns 117 respectively, can prevent effectively that first filter screen, second filter screen and third filter screen from taking place deformation or breaking away from predetermined position, stable in structure.

Specifically, the upper inner wall of the filter box 100 is provided with a first positioning groove 118 for mounting the first filter screen 101, a second positioning groove 119 for mounting the second filter screen 102, and a third positioning groove 120 for mounting the third filter screen 103; the lower surface of the filter box 100 is provided with a first insertion port 121 through which the first filter 101 passes, a second insertion port 122 through which the second filter 102 passes, and a third insertion port 123 through which the third filter 103 passes. When the filter screen is installed, the first filter screen enters from the first insertion opening and is inserted into the first positioning groove along the plurality of first support columns; the second filter screen enters from the second inserting opening and is inserted into the second positioning groove along the second supporting columns; the third filter screen enters from the third inserting opening and is inserted into the third positioning groove along the plurality of third supporting columns; the installation mode is convenient to disassemble and assemble, convenient to clean, simple to operate and high in practicability.

Specifically, the first positioning groove 118 is disposed opposite to the first insertion port 121; the second positioning groove 119 is disposed opposite to the second insertion opening 122; the third positioning groove 120 is disposed opposite to the third insertion opening 123; the first insertion opening 121, the second insertion opening and the third insertion opening 123 are all sleeved with sealing sleeve covers 124; a sealing sleeve cover 124 is also sleeved on the sewage discharge outlet 113 to prevent water leakage; it is worth to say that the diameter of the sealing sleeve cover on the sewage draining exit is larger than the diameter of the sealing sleeve cover on the first insertion hole, the second insertion hole and the third insertion hole, so that the sewage draining of the sewage draining exit is facilitated.

Specifically, the density of the first filter 101 is less than the density of the second filter 102; and the density of the second filter 102 is less than the density of the third filter 103.

It will be understood that modifications and variations are possible to those skilled in the art in light of the above teachings and that all such modifications and variations are considered to be within the purview of the invention as set forth in the appended claims.

Claims (7)

1. A filtering device for domestic sewage is characterized by comprising a filtering box with a hollow cavity, wherein a first filtering net, a second filtering net and a third filtering net are sequentially arranged in the filtering box at intervals; the first filter screen, the second filter screen and the third filter screen divide the hollow cavity into a first cavity, a second cavity, a third cavity and a fourth cavity; the upper end of the first chamber is provided with a water inlet; the lower end of the fourth cavity is provided with a water outlet; a rotating shaft vertical to the first filter screen is arranged in the middle of the first chamber; a cleaning assembly is arranged at one end of the rotating shaft close to the first filter screen; the cleaning assembly comprises a connecting plate fixedly connected with the rotating shaft; a cleaning brush for cleaning attachments on the first filter screen is fixedly arranged on the connecting plate; a sewage draining outlet is formed in the lower end of the first cavity; the filtering device also comprises a driving mechanism for driving the rotating shaft to rotate; when the cleaning machine is used for cleaning, the driving mechanism drives the rotating shaft to rotate, and the rotating shaft drives the cleaning assembly to do circular motion on the first filter screen.

2. The domestic sewage filtering device according to claim 1, wherein said first filter screen, said second filter screen and said third filter screen are detachably connected to said filter box.

3. The filtering device for domestic sewage according to claim 1 or 2, wherein a plurality of first supporting columns are arranged on one side of the first filter screen facing away from the cleaning assembly; a plurality of second support columns are fixedly arranged on two sides of the second filter screen respectively; and a plurality of third supporting columns are fixedly arranged on two sides of the third filter screen respectively.

4. The filtering device for domestic sewage according to claim 2, wherein the upper inner wall of the filtering tank is provided with a first positioning groove for mounting the first filter screen, a second positioning groove for mounting the second filter screen, and a third positioning groove for mounting the third filter screen; the lower surface of the filter box is provided with a first insertion opening for the first filter screen to pass through, a second insertion opening for the second filter screen to pass through, and a third insertion opening for the third filter screen to pass through.

5. The filtering device for domestic sewage according to claim 4 wherein said first positioning groove is disposed opposite to said first insertion port; the second positioning groove is opposite to the second insertion opening; the third positioning groove is opposite to the third inserting hole; and sealing sleeve covers are sleeved on the first insertion hole, the second insertion hole and the third insertion hole.

6. The filtering device for domestic sewage according to claim 5, wherein said filtering tank has a circular cross-section.

7. The filtering apparatus for domestic sewage according to any one of claims 1-2 and 4-6 wherein said first filter has a density less than that of said second filter; and the density of the second filter is less than the density of the third filter.

Images