CN213738881U

CN213738881U - Backwashing device of underground water filter

Info

Publication number: CN213738881U
Application number: CN202022724087.0U
Authority: CN
Inventors: 马越; 刘峰; 姚淑婷
Original assignee: Qingdao Yuanquan Mineral Water Co ltd
Current assignee: Qingdao Yuanquan Mineral Water Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-20
Anticipated expiration: 2030-11-20

Abstract

The utility model belongs to the technical field of groundwater filters, especially, be an underground water filter back flush device, which comprises a filter, the bottom fixedly connected with support column of filter, the top fixedly connected with water inlet of filter side, one side fixedly connected with delivery port of water inlet is kept away from to the filter side. The utility model discloses a set up coarse filtration net, the fine filtration net, pressure switch and suction nozzle, can filter groundwater, when filterable impurity piles up too much, can form the pressure differential in the inboard and the outside of fine filtration net, the suction nozzle is with the impurity suction, discharge through the drain, carry out the self-cleaning to the filter, guarantee the inside clean of filter, through setting up activated carbon net and disinfection net, can filter prefilter's groundwater again, can get rid of the peculiar smell and the small molecule of aquatic through the activated carbon net, get rid of the harmful substance of aquatic through the disinfection net, guarantee the clean health at water source.

Description

Backwashing device of underground water filter

Technical Field

The utility model relates to a groundwater filters technical field, specifically is a groundwater filter back flush device.

Background

Groundwater refers to water present in the rock voids below the ground, and in the narrower sense, water in a saturated aquifer below the surface of the groundwater. In the national standard hydrogeological terminology, groundwater refers to various forms of gravitational water buried below the surface of the earth. Foreign scholars think that the definition of underground water is three, one is all water buried in underground water which is obviously different from surface water, in particular to the water of a saturated zone in a water-bearing layer; secondly, the water flows or permeates downwards to saturate soil and rocks and supply water to springs and wells; and thirdly, water is stored in underground rock cavities and in gaps forming crust substances, underground water is an important component of water resources, and the underground water is one of important water sources for agricultural irrigation, industrial and mining and cities due to stable water quantity and good water quality. However, even under certain conditions, changes in groundwater cause undesirable natural phenomena such as swampiness, salinization, landslide, and ground subsidence, and are closely related to human society. The storage of underground water forms a huge reservoir in the ground, and the reservoir is an important water source for agricultural irrigation, industrial and mining enterprises and urban domestic water by virtue of stable water supply conditions and good water quality, and becomes an essential important water resource for human society, and especially in arid and semi-arid regions with water shortage on the ground surface, the underground water often becomes a main water supply source in the local. When used with groundwater, filtration procedures are essential.

There are the following problems:

1. current groundwater filter equipment, the filter effect is relatively poor, to the unable effectual filtration of the tiny particle of aquatic, filter equipment is difficult for wasing, and filterable impurity piles up too much, can cause the pollution to groundwater, reduces groundwater's filtration quality.

2. The existing underground water filtering device can not effectively remove peculiar smell, tiny impurities and harmful substances contained in water, the filtering quality of underground water is poor, potential safety hazards exist, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an underground water filter back flush device has solved unable self-cleaning and the poor problem of filter effect.

In order to achieve the above object, the utility model provides a following technical scheme: the backwashing device for the underground water filter comprises a filter, wherein a supporting column is fixedly connected to the bottom of the filter, a water inlet is fixedly connected to the top of the side face of the filter, a water outlet is fixedly connected to one side of the side face of the filter, which is far away from the water inlet, a pressure difference switch is fixedly connected to one side of the water outlet, a sewage discharge outlet is fixedly connected to the bottom of the filter, a sewage discharge valve is fixedly connected to the surface of the sewage discharge outlet, a coarse filter screen is fixedly connected to the top of the inside of the filter, a fine filter screen is fixedly connected to the bottom of the coarse filter screen, a sewage collector is rotatably connected to the inside of the fine filter screen, a suction nozzle is fixedly connected to the surface of the sewage collector, a transverse plate is fixedly connected to the bottom of the sewage collector, and a disinfection net is fixedly connected to one side of the activated carbon net.

As a preferred technical scheme of the utility model, the support column has three groups, and three groups of support columns are the bottom of equiangular ring range in the filter.

As a preferred technical scheme of the utility model, a plurality of holes have been seted up on the surface of coarse filtration net, a plurality of holes have been seted up on the surface of thin filter screen, the hole on coarse filtration net surface is greater than the hole on thin filter screen surface.

As an optimized technical scheme of the utility model, the suction nozzle has a plurality of groups, and the even distribution of a plurality of groups suction nozzle is on the surface of dirt collector.

As an optimized technical scheme of the utility model, the inside of differential pressure switch's filter is provided with pressure probe, differential pressure switch is external to have the wire to be connected with the blowoff valve.

As a preferred technical scheme of the utility model, the external diameter of suction nozzle is half of the internal diameter of fine filter screen size.

As an optimized technical proposal of the utility model, the outer diameter of the active carbon net and the disinfection net is matched with the inner diameter of the water outlet.

Compared with the prior art, the utility model provides an underground water filter back flush device possesses following beneficial effect:

1. this underground water filter back flush device through setting up coarse filtration net, thin filter screen, pressure switch and suction nozzle, can filter groundwater, when filterable impurity piles up too much, can form the pressure differential in the inboard and the outside of thin filter screen, and the suction nozzle carries out the self-cleaning to the filter with impurity suction, discharges through the drain, guarantees the inside clean of filter.

2. This underground water filter back flush unit through setting up activated carbon net and disinfection net, can filter prefilter's groundwater again, can get rid of the peculiar smell and the small molecule of aquatic through the activated carbon net, gets rid of the harmful substance of aquatic through the disinfection net, guarantees the clean health at water source.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the secondary filtering structure of the present invention.

In the figure: 1. a filter; 2. a support pillar; 3. a water inlet; 4. a water outlet; 5. a differential pressure switch; 6. a sewage draining outlet; 7. a blowoff valve; 8. a coarse filter screen; 9. a fine filter screen; 10. a dirt collector; 11. a suction nozzle; 12. a transverse plate; 13. a hydraulic motor; 14. an activated carbon mesh; 15. a sterilizing net.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in this embodiment: a backwashing device of an underground water filter comprises a filter 1, wherein the bottom of the filter 1 is fixedly connected with a supporting column 2, the top of the side of the filter 1 is fixedly connected with a water inlet 3, one side of the filter 1, which is far away from the water inlet 3, is fixedly connected with a water outlet 4, one side of the water outlet 4 is fixedly connected with a pressure difference switch 5, the bottom of the filter 1 is fixedly connected with a sewage discharge outlet 6, the surface of the sewage discharge outlet 6 is fixedly connected with a sewage discharge valve 7, the top of the interior of the filter 1 is fixedly connected with a coarse filter screen 8, the bottom of the coarse filter screen 8 is fixedly connected with a fine filter screen 9, the interior of the fine filter screen 9 is rotatably connected with a sewage collector 10, the surface of the sewage collector 10 is fixedly connected with a suction nozzle 11, the bottom of the sewage collector 10 is fixedly connected with a transverse plate 12, the bottom of the transverse plate 12 is rotatably connected with a hydraulic motor 13, and the interior of the water outlet 4 is fixedly connected with an activated carbon net 14, a disinfection net 15 is fixedly connected with one side of the activated carbon net 14.

In the embodiment, three groups of support columns 2 are arranged at the bottom of the filter 1 in an equiangular annular manner, which is helpful for providing support for the filter 1 and ensuring the stability during filtering; the surface of the coarse filter screen 8 is provided with a plurality of holes, the surface of the fine filter screen 9 is provided with a plurality of holes, the holes on the surface of the coarse filter screen 8 are larger than the holes on the surface of the fine filter screen 9, so that larger impurities can be removed through the coarse filter screen 8, and tiny impurities can be removed through the fine filter screen 9, and the filtering quality is improved; the suction nozzles 11 are provided with a plurality of groups, and the suction nozzles 11 are uniformly distributed on the surface of the dirt collector 10, so that when the dirt collector is self-cleaned, the suction nozzles 11 can completely clean impurities in the filter screen 9, and the cleanness of the interior of the filter 1 is ensured; a pressure probe is arranged inside the filter 1 of the pressure difference switch 5, the pressure difference switch 5 is externally connected with a lead and is connected with the blow-down valve 7, the pressure probe is favorable for detecting the pressure difference inside the filter 1, and then the blow-down valve 7 is opened for blow-down, so that self-cleaning is realized inside the filter 1; the outer diameter of the suction nozzle 11 is half of the inner diameter of the fine filter screen 9, which is beneficial to removing impurities on the surface of the fine filter screen 9 through the rotation of the suction nozzle 11; the outer diameter sizes of the activated carbon net 14 and the disinfection net 15 are matched with the inner diameter size of the water outlet 4, so that the activated carbon net 14 and the disinfection net 15 are stably connected with the water outlet 4, secondary filtration is carried out on underground water, and the quality of the underground water is improved.

The utility model discloses a theory of operation and use flow: when using, groundwater enters into filter 1 through water inlet 3, at first through coarse filtration net 8, tentatively filter great impurity in groundwater, then filter the small impurity of groundwater through fine filtration net 9, get rid of peculiar smell and small molecule through activated carbon net 14, disinfect through disinfection net 15, make the fine quality of groundwater, filterable impurity can be piled up in fine filtration net 9 is inside, when piling up too much, pressure differential switch 5 can control and open blowoff valve 7, suction nozzle 11 absorbs the inside impurity of fine filtration net 9 completely in album dirt ware 10, follow rivers and discharge from drain 6, realize the automatically cleaning to filter 1, after the cleanness is accomplished, blowoff valve 7 closes, continue to carry out the filtration to groundwater, guarantee the filterable clean health of groundwater, the filterable quality of groundwater has been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an underground water filter back flush device, includes filter (1), its characterized in that: the bottom of the filter (1) is fixedly connected with a support column (2), the top of the side of the filter (1) is fixedly connected with a water inlet (3), one side of the filter (1) far away from the water inlet (3) is fixedly connected with a water outlet (4), one side of the water outlet (4) is fixedly connected with a pressure difference switch (5), the bottom of the filter (1) is fixedly connected with a sewage draining outlet (6), the surface of the sewage draining outlet (6) is fixedly connected with a sewage draining valve (7), the top of the inside of the filter (1) is fixedly connected with a coarse filter screen (8), the bottom of the coarse filter screen (8) is fixedly connected with a fine filter screen (9), the inside of the fine filter screen (9) is rotatably connected with a sewage collector (10), the surface of the sewage collector (10) is fixedly connected with a suction nozzle (11), and the bottom of the sewage collector (10) is fixedly connected with a transverse plate (12), the bottom of the transverse plate (12) is rotatably connected with a hydraulic motor (13), the interior of the water outlet (4) is fixedly connected with an activated carbon net (14), and one side of the activated carbon net (14) is fixedly connected with a disinfection net (15).

2. The underground water filter backwashing apparatus of claim 1, wherein: the filter is characterized in that the support columns (2) are provided with three groups, and the three groups of support columns (2) are annularly arranged at the bottom of the filter (1) at equal angles.

3. The underground water filter backwashing apparatus of claim 1, wherein: the surface of the coarse filter screen (8) is provided with a plurality of holes, the surface of the fine filter screen (9) is provided with a plurality of holes, and the holes on the surface of the coarse filter screen (8) are larger than the holes on the surface of the fine filter screen (9).

4. The underground water filter backwashing apparatus of claim 1, wherein: the suction nozzles (11) are provided with a plurality of groups, and the suction nozzles (11) are uniformly distributed on the surface of the dirt collector (10).

5. The underground water filter backwashing apparatus of claim 1, wherein: a pressure probe is arranged inside the filter (1) of the differential pressure switch (5), and the differential pressure switch (5) is externally connected with a lead and is connected with a drain valve (7).

6. The underground water filter backwashing apparatus of claim 1, wherein: the outer diameter of the suction nozzle (11) is half of the inner diameter of the fine filter screen (9).

7. The underground water filter backwashing apparatus of claim 1, wherein: the outer diameter of the activated carbon net (14) and the outer diameter of the disinfection net (15) are matched with the inner diameter of the water outlet (4).