CN221680866U - Domestic sewage filtering and purifying device beneficial to cleaning filter element - Google Patents

Abstract

The utility model belongs to the technical field of filtration and purification, in particular to a domestic sewage filtration and purification device beneficial to cleaning a filter element, which comprises a bracket body, wherein a preposed filtering mechanism and purification boxes distributed in a linear array are arranged on the bracket body, a main conduit is connected with the water outlet end of the preposed filtering mechanism in a penetrating way, a regulating valve and a water outlet conduit are arranged at the corresponding positions of the main conduit relative to each purification box, and one end of each water outlet conduit is respectively connected with the water outlet end of each purification box in a penetrating way; according to the utility model, the plurality of regulating valves are arranged in the filtering and purifying device, when a certain purifying mechanism needs to be replaced, the water flow direction can be changed only by rotating the regulating valve on the purifying mechanism, so that sewage to be purified can bypass the purifying mechanism and flow to other purifying mechanisms continuously, and the filtering and purifying device can perform water purifying treatment under the condition of replacing the filter element, thus the working efficiency of the filtering and purifying device is effectively improved.

Description

A domestic sewage filtering and purification device that is conducive to cleaning filter element

Technical Field

The utility model relates to the technical field of filtering and purifying, in particular to a filtering and purifying device for domestic sewage which is beneficial for cleaning a filter element.

Background Art

The filtration and purification device is a water purification device that deeply treats tap water or sewage. It is a water treatment equipment that deeply filters and purifies water according to the requirements of water use. Its technical core is the filter membrane in the filter element device, and the main technologies come from three types: ultrafiltration membrane, RO reverse osmosis membrane, and nanofiltration membrane.

After extensive searching, it was found that: China Utility Model Patent Column: Publication No. CN 214457201U, a domestic sewage filtration and purification device that is conducive to cleaning the filter element, relates to the field of filtration and purification technology. It includes a frame, a pre-filter mechanism and a purification mechanism, the top of the frame is fixedly provided with a pre-filter mechanism, the inner top of the frame is fixedly provided with a purification mechanism, and the purification mechanism includes a water guide pipe, a UF ultrafiltration membrane layer and an arc tube; the device is provided with multiple purification mechanisms, and a filter element that can be easily replaced is provided in the purification mechanism, but in the process of replacing and cleaning the filter element, other purification mechanisms cannot work normally, which causes the entire filtration and purification device to stop working until the filter element is replaced before water purification can be carried out. This not only causes the use of the filtration and purification device to become limited, but also affects the water purification efficiency of the filtration and purification device.

Utility Model Content

1. Technical issues to be solved

In view of the deficiencies in the prior art, the utility model provides a domestic sewage filtering and purifying device which is convenient for cleaning a filter element, and solves the problem that the entire device cannot work during the process of cleaning and replacing the filter element in the current filtering and purifying device.

(II) Technical solution

In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

A filtering and purifying device for domestic sewage that is conducive to cleaning a filter element, comprising a support body, on which a pre-filter mechanism and purification boxes distributed in a linear array are arranged, a main conduit is connected through the water outlet end of the pre-filter mechanism, a regulating valve and a water outlet conduit are arranged at a corresponding position of the main conduit relative to each purification box, one end of each of the water outlet conduits is connected through the water outlet end of each purification box, and a water inlet conduit connected through the water inlet end of the purification box is connected through the opening opened on one side of the regulating valve;

The regulating valve is provided with a mounting groove, a piston is rotatably connected in the mounting groove, and a three-way groove is provided on the piston.

Furthermore, a one-way valve is provided on the water outlet conduit.

Furthermore, a purification chamber is provided in the purification box, a partition plate and a filter element tube are fixedly connected in the purification chamber, and a sealing cover plate is threadedly connected at the chamber opening of the purification chamber.

Furthermore, the filter element tube includes an inner tube, a filter layer, a stabilizing plate and two baffles, the two baffles are respectively fixedly connected to the two ends of the inner tube, the stabilizing plate is fixedly sleeved on the inner tube, the filter layer is sleeved on the outside of the inner tube, and the filter layer is located between the baffle and the stabilizing plate, and the inner tube is provided with through holes distributed in a linear array.

Furthermore, a sealing ring that contacts the inner wall of the purification chamber is provided on one side of the stabilizing plate and the baffle.

(III) Beneficial effects

Compared with the prior art, the utility model provides a filtering and purifying device for domestic sewage which is convenient for cleaning the filter element and has the following beneficial effects:

The utility model provides a plurality of regulating valves in the filtering and purifying device. When a certain purification mechanism needs to be replaced, it is only necessary to rotate the regulating valve on the purification mechanism to change the direction of water flow, so that the sewage to be purified can bypass the purification mechanism and continue to flow to other purification mechanisms. In this way, the filtering and purifying device can also perform water purification when the filter element is replaced, thereby effectively improving the working efficiency of the filtering and purifying device.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a cross-sectional perspective schematic diagram of the utility model as a whole;

FIG2 is a schematic diagram of the cross-sectional structure of the utility model as a whole;

FIG3 is a cross-sectional perspective schematic diagram of the purification box of the utility model.

In the figure: 1. bracket body; 2. purification box; 3. water outlet conduit; 4. water inlet conduit; 5. one-way valve; 6. main conduit; 7. regulating valve; 8. pre-filter mechanism; 9. piston; 10. three-way groove; 11. inner tube; 12. filter layer; 13. sealing cover plate; 14. partition plate; 15. purification chamber; 16. sealing ring; 17. baffle plate; 18. stabilizing plate.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Example

As shown in Figures 1 to 3, a filtering and purifying device for domestic sewage that is conducive to cleaning a filter element according to an embodiment of the utility model comprises a support body 1, on which a pre-filter mechanism 8 and purification boxes 2 distributed in a linear array are arranged, the water outlet end of the pre-filter mechanism 8 is connected through a trunk conduit 6, and the main conduit 6 is provided with a regulating valve 7 and a water outlet conduit 3 at a corresponding position of each purification box 2, one end of each water outlet conduit 3 is connected through the water outlet end of each purification box 2, and the water inlet conduit 4 connected through the water inlet end of the purification box 2 is connected through the opening opened on one side of the regulating valve 7;

The regulating valve 7 is provided with a mounting groove, in which a piston 9 is rotatably connected, and a three-way groove 10 is provided on the piston 9;

The water enters the pre-filter mechanism 8 through the guide pipe to filter the coarse particles. After the filtration, the water flows into the main conduit 6. When passing through the first regulating valve 7, it flows into the first water inlet conduit 4 along the three-way groove 10 in the regulating valve 7, and flows into the purification box 2 along the water inlet conduit 4 to filter the fine particles. After the treatment, the water flows into another part of the main conduit 6 along the water outlet conduit 3, and then flows through each regulating valve 7 and the purification box 2 in this way until it is discharged from the water outlet conduit 3 on the purification box 2 at the end.

When replacing the filter tube in one of the purification boxes 2, it is only necessary to rotate the piston 9 on the purification box 2 so that the piston 9 blocks the water inlet conduit 4 entering the purification box 2. The water will pass through the three-way groove 10 in the piston 9 and cannot enter the purification box 2 where the filter tube is replaced.

As shown in FIG3 , in some embodiments, a one-way valve 5 is provided on the water outlet conduit 3 ;

The one-way valve 5 allows the water outlet conduit 3 to drain water but not to allow water to enter.

As shown in FIG. 3 , in some embodiments, a purification chamber 15 is provided in the purification box 2, a partition 14 and a filter element tube are fixedly connected in the purification chamber 15, and a sealing cover plate 13 is threadedly connected at the chamber opening of the purification chamber 15;

Open the sealing cover plate 13 and extract the filter tube in the purification box 2, so that the filter tube can be replaced and cleaned.

As shown in FIG3 , in some embodiments, the filter element tube includes an inner tube 11, a filter layer 12, a stabilizing plate 18 and two baffles 17, the two baffles 17 are fixedly connected to the two ends of the inner tube 11, the stabilizing plate 18 is fixedly sleeved on the inner tube 11, the filter layer 12 is sleeved on the outer side of the inner tube 11, and the filter layer 12 is located between the baffle 17 and the stabilizing plate 18, and the inner tube 11 is provided with through holes distributed in a linear array;

The stabilizing plate 18 divides the inner tube 11 into a water inlet area and a water outlet area, and the filter layer 12 is arranged at the water inlet area;

The water will flow into the purification chamber 15 along the water inlet pipe 4, and then pass through the water flow holes opened on the partition 14, and pass through the filter layers 12 on the outer layer of the filter core tube, and then flow into the cavity of the inner tube 11 from the through holes in the water inlet area, and be discharged from the through holes in the water outlet area along the internal cavity of the inner tube 11, and finally be discharged from the purification chamber 15 from the water outlet pipe 3.

As shown in FIG. 3 , in some embodiments, a sealing ring 16 is disposed on one side of the stabilizing plate 18 and the baffle plate 17 to abut against the inner wall of the purification chamber 15 ;

The sealing ring 16 is used to seal between the stabilizing plate 18 and the partition plate 14 , and between another stabilizing plate 18 and the inner wall of the purification chamber 15 .

Finally, it should be noted that the above are only preferred embodiments of the utility model and are not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims (5)

1. A filtering and purifying device for domestic sewage that is convenient for cleaning a filter element, comprising a support body (1), on which a pre-filter mechanism (8) and purification boxes (2) distributed in a linear array are arranged, characterized in that: the water outlet end of the pre-filter mechanism (8) is connected through a main conduit (6), the main conduit (6) is provided with a regulating valve (7) and a water outlet conduit (3) at a corresponding position relative to each purification box (2), one end of each of the water outlet conduits (3) is connected through the water outlet end of each purification box (2), and the water inlet conduit (4) connected through the water inlet end of the purification box (2) is connected through a through opening opened on one side of the regulating valve (7); The regulating valve (7) is provided with a mounting groove, a piston (9) is rotatably connected in the mounting groove, and a three-way groove (10) is provided on the piston (9). 2. A domestic sewage filtering and purification device that is convenient for cleaning the filter element according to claim 1, characterized in that a one-way valve (5) is provided on the water outlet conduit (3). 3. A filtering and purifying device for domestic sewage that is convenient for cleaning the filter element according to claim 1, characterized in that: a purification chamber (15) is arranged in the purification box (2), a partition (14) and a filter element tube are fixedly connected in the purification chamber (15), and a sealing cover plate (13) is threadedly connected at the chamber opening of the purification chamber (15). 4. A filtering and purifying device for domestic sewage that is convenient for cleaning a filter element according to claim 3, characterized in that: the filter element tube comprises an inner tube (11), a filter layer (12), a stabilizing plate (18) and two baffles (17), the two baffles (17) are respectively fixedly connected to the two ends of the inner tube (11), the stabilizing plate (18) is fixedly sleeved on the inner tube (11), the filter layer (12) is sleeved on the outside of the inner tube (11), and the filter layer (12) is located between the baffle (17) and the stabilizing plate (18), and the inner tube (11) is provided with through holes distributed in a linear array. 5. A filtering and purifying device for domestic sewage that is convenient for cleaning the filter element according to claim 4, characterized in that a sealing ring (16) that contacts the inner wall of the purification chamber (15) is provided on one side of the stabilizing plate (18) and the baffle plate (17).