CN221955921U - Pre-filter - Google Patents

Abstract

The utility model discloses a pre-filter, including a main tank, a water distributor, a cyclone, an ultrafiltration chamber and a filter element; the main tank is provided with an activated carbon chamber, in which activated carbon is filled; the upper end of the cyclone is connected to the water inlet and communicated with the activated carbon chamber, and the lower end of the cyclone is communicated with the outside of the activated carbon chamber; the ultrafiltration chamber is provided with an inlet, which is communicated with the activated carbon chamber, and the ultrafiltration chamber is provided with a water outlet; the filter element is arranged in the ultrafiltration chamber, located between the inlet and the water outlet; the water distributor is arranged at the lower part of the activated carbon chamber, and is communicated with the inlet of the ultrafiltration chamber. Specifically, the water to be filtered enters the cyclone through the water inlet to filter out heavier impurities, and then enters the activated carbon chamber, after being filtered by the activated carbon, it enters the ultrafiltration chamber through the water distributor, and after being filtered by the filter element, it flows out from the water outlet. The water has been triple-filtered before reaching the filter element, and the filter element does not need to filter too many impurities, and has a longer service life, which solves the problem that the above-mentioned filter element needs to be replaced frequently.

Description

Pre-filter

Technical Field

The utility model relates to the field of water filtering devices, in particular to a pre-filter.

Background Art

At present, drinking water in some areas is generally from streams, rivers, wells or tap water. However, with the rapid development of industry and agriculture, drinking water in some places has also been polluted. Therefore, the demand for drinking water filtration devices is increasing. Existing water filtration devices usually have multiple filtration devices interconnected by pipes. Through multiple filtrations, the water meets the use requirements. The filter element located closest to the water inlet is easily contaminated and needs to be replaced frequently, which is not only cumbersome to maintain, but also increases the user's cost.

Utility Model Content

The main purpose of the utility model is to provide a pre-filter, which is used to solve the problem that the filter element needs to be replaced frequently.

The utility model provides a pre-filter, comprising:

The main tank is equipped with an activated carbon bin filled with activated carbon;

The cyclone has an upper end connected to the water inlet and communicated with the activated carbon bin, and a lower end of the cyclone is communicated with the outside of the activated carbon bin;

The ultrafiltration chamber is provided with an inlet, the inlet is connected with the activated carbon chamber, and the ultrafiltration chamber is provided with a water outlet;

The filter element is arranged in the ultrafiltration chamber and is located between the inlet and the outlet;

The water distributor is arranged at the lower part of the activated carbon bin and is connected with the inlet of the ultrafiltration bin.

Furthermore, the ultrafiltration tank is arranged on the upper part of the main tank and is inserted into the activated carbon tank.

Furthermore, the cyclone is connected to the activated carbon bin through an overflow pipe, and the overflow pipe is located at the end of the activated carbon bin and is provided with a filtering structure.

Furthermore, the cyclone is arranged in the activated carbon bin.

Furthermore, the cyclone is arranged beside the main tank.

Furthermore, an observation window is provided on the cyclone.

Furthermore, the bottom of the cyclone is connected to a sewage collecting bin, and the sewage collecting bin is provided with a sewage outlet.

Furthermore, the ultrafiltration chamber is provided with an ultrafiltration wastewater outlet.

Furthermore, the ultrafiltration chamber comprises a chamber body and a chamber cover, and the chamber body and the chamber cover are detachably connected.

Furthermore, the bin body is fixedly connected to the main tank, the overflow pipe is connected to the bin body, and the water outlet is arranged on the bin cover.

The utility model proposes a pre-filter. The water to be filtered enters the cyclone through the water inlet, after which the heavier impurities are filtered out, and then enters the activated carbon bin. After being filtered by the activated carbon, it enters the ultrafiltration bin through the water distributor, and after being filtered by the filter element, it flows out from the water outlet. The water has been triple-filtered before reaching the filter element. The filter element does not need to filter too many impurities, and has a longer service life, thus solving the problem that the filter element needs to be replaced frequently.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of an embodiment of a pre-filter of the utility model;

FIG. 2 is a schematic structural diagram of another embodiment of the pre-filter of the present utility model.

In Figure 1-2, the main tank 1, the activated carbon bin 2, the water distributor 3, the ultrafiltration bin 4, the bin body 41, the bin cover 42, the ultrafiltration wastewater outlet 43, the filter element 5, the water outlet 6, the cyclone 7, the water inlet 8, the overflow pipe 9, the sewage collecting bin 10, the sewage outlet 11, the water pipe 12, and the base 13.

DETAILED DESCRIPTION

The technical solution of this article will be further described in detail below in conjunction with the accompanying drawings.

It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. The connection can be a direct connection or an indirect connection.

1-2, the utility model proposes a pre-filter, comprising a main tank 1, a water distributor 3, a cyclone 7, an ultrafiltration bin 4 and a filter element 5; the main tank 1 is provided with an activated carbon bin 2, which is filled with activated carbon; the upper end of the cyclone 7 is connected to the water inlet 8 and is communicated with the activated carbon bin 2, and the lower end of the cyclone 7 is communicated with the outside of the activated carbon bin 2; the ultrafiltration bin 4 is provided with an inlet, which is communicated with the activated carbon bin 2, and the ultrafiltration bin 4 is provided with a water outlet 6; the filter element 5 is arranged in the ultrafiltration bin 4, between the inlet and the water outlet 6; the water distributor 3 is arranged at the lower part of the activated carbon bin 2, and is communicated with the inlet of the ultrafiltration bin 4.

Specifically, the water to be filtered enters the cyclone 7 through the water inlet 8, and after the vortex filters out the heavier impurities, it enters the activated carbon bin 2. After being filtered by the activated carbon, it passes through the water distributor 3 and enters the ultrafiltration bin 4. After being filtered by the filter element 5, it flows out from the water outlet 6. The water has been triple-filtered before reaching the filter element 5. The filter element 5 does not need to filter too many impurities and has a longer service life, thereby solving the problem that the filter element 5 needs to be replaced frequently.

It should be noted that, in some embodiments, clean water can be reversely poured in from the water outlet 6, the filter element 5 can be cleaned, and the service life of the filter element 5 can be extended; in some embodiments, the reverse pouring can be performed automatically and regularly; in some embodiments, the filter element 5 is an ultrafiltration element 5; in some embodiments, the water distributor 3 is arranged at the lower part of the activated carbon bin 2, and is connected to the inlet of the ultrafiltration bin 4 through the water pipe 12.

In some embodiments, the main tank 1 is fixed on the base 13 .

Furthermore, in some embodiments, the ultrafiltration tank 4 is disposed on the upper portion of the main tank 1 and is inserted into the activated carbon tank 2 .

Specifically, the ultrafiltration chamber 4 is fixed to the main tank 1. The ultrafiltration chamber 4 is arranged on the upper part of the main tank 1 and inserted into the activated carbon chamber 2, which can make the pre-filter structure more compact and help the pre-filter reduce space occupation.

Furthermore, in some embodiments, the cyclone 7 is disposed in the activated carbon bin 2 .

Specifically, the cyclone 7 is disposed in the activated carbon bin 2, which is beneficial to reducing the volume of the pre-filter and reducing the space occupied by the pre-filter.

Furthermore, in some embodiments, the cyclone 7 is connected to the activated carbon bin 2 via an overflow pipe 9 , and the overflow pipe 9 is located at the end of the activated carbon bin 2 and is provided with a filtering structure.

Specifically, the filtering structure can not only filter, but also prevent the activated carbon from reversely entering the cyclone 7.

Furthermore, in some embodiments, the cyclone 7 is disposed beside the main tank 1 .

Specifically, the external placement of the cyclone 7 can facilitate the replacement or unblocking of the cyclone 7 .

Furthermore, in some embodiments, an observation window is provided on the cyclone 7 .

Specifically, the accumulation of impurities in the cyclone 7 can be observed through the observation window, and the sewage can be discharged in time when there are too many impurities.

Furthermore, in some embodiments, a sewage collecting bin 10 is connected to the bottom of the cyclone 7 , and the sewage collecting bin 10 is provided with a sewage outlet 11 .

Specifically, the sewage with impurities filtered out of the cyclone 7 can be first stored in the sewage collecting bin 10 and then discharged through the sewage outlet 11 to avoid frequent sewage discharge that affects the use efficiency of the cyclone 7 .

In some embodiments, the sewage collecting bin 10 and the lower end of the cyclone 7 are detachably connected. In some cases, the sewage in the sewage collecting bin 10 is difficult to clean, and the cyclone 7 can be efficiently operated by replacing the sewage collecting bin 10. It should be noted that in some embodiments, the sewage in the sewage collecting bin 10 can be discharged while the cyclone 7 is operating.

Furthermore, in some embodiments, the ultrafiltration chamber 4 is provided with an ultrafiltration wastewater outlet 43 .

Specifically, the wastewater in the ultrafiltration chamber 4 can be discharged through the ultrafiltration wastewater outlet 43; when clean water is reversely poured in from the water outlet 6, the wastewater flowing out of the filter element 5 can be discharged through the ultrafiltration wastewater outlet 43 to prevent impurities therein from entering the filter element 5.

Furthermore, in some embodiments, the ultrafiltration chamber 4 includes a chamber body 41 and a chamber cover 42, and the chamber body 41 and the chamber cover 42 are detachably connected.

Specifically, the bin body 41 and the main tank 1 can be fixedly connected or detachably connected; the detachable connection between the bin body 41 and the bin cover 42 can facilitate the replacement of the filter element 5.

Furthermore, in some embodiments, the bin body 41 is fixedly connected to the main tank 1 , the overflow pipe 9 is connected to the bin body 41 , and the water outlet 6 is provided on the bin cover 42 .

Specifically, the overflow pipe 9 is located at the inlet end of the filter element 5, and the water outlet 6 is located at the outlet end of the filter element 5, so that the water flows out smoothly and is also conducive to the flow of clean water when the clean water is poured in reverse.

The utility model proposes a pre-filter. The water to be filtered enters the cyclone 7 through the water inlet 8 to filter out heavier impurities, then enters the activated carbon bin 2, and after being filtered by the activated carbon, enters the ultrafiltration bin 4 through the water distributor 3. After being filtered by the filter element 5, the water flows out from the water outlet 6. The water has been triple-filtered before reaching the filter element 5. The filter element 5 does not need to filter too many impurities and has a longer service life, thus solving the problem that the filter element 5 needs to be replaced frequently.

The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims (10)

1. A pre-filter, comprising:

The main tank is provided with an active carbon bin, and active carbon is filled in the active carbon bin;

The upper end of the cyclone is connected with the water inlet and is communicated with the activated carbon bin, and the lower end of the cyclone is communicated with the outside of the activated carbon bin;

The ultrafiltration bin is provided with an inlet, the inlet is communicated with the activated carbon bin, and a water outlet is arranged on the ultrafiltration bin;

The filter element is arranged in the ultrafiltration bin and is positioned between the inlet and the water outlet;

The water distributor is arranged at the lower part of the activated carbon bin and is communicated with the inlet of the ultrafiltration bin.

2. The prefilter of claim 1, wherein said ultrafiltration cartridge is disposed in an upper portion of said main tank and is inserted into said activated carbon cartridge.

3. The prefilter of claim 2, wherein said cyclone communicates with said activated carbon cartridge through an overflow tube having a filter structure at an end of said activated carbon cartridge.

4. A pre-filter according to claim 3, wherein the cyclone is provided within the activated carbon cartridge.

5. The prefilter of claim 2, wherein said cyclone is located beside said main tank.

6. The prefilter of claim 5 wherein said cyclone has a viewing window.

7. The prefilter of claim 1, wherein a dirt collection bin is connected to the bottom of the cyclone, the dirt collection bin having a drain.

8. The prefilter of claim 1, wherein said ultrafiltration cartridge is provided with an ultrafiltration waste gate.

9. A pre-filter according to claim 3, wherein the ultrafiltration cartridge comprises a cartridge body and a cartridge cover, the cartridge body and the cartridge cover being detachably connected.

10. The prefilter of claim 9, wherein said cartridge is fixedly connected to said main tank, said overflow tube communicates with said cartridge, and said water outlet is provided in said cover.