CN222829174U - A multi-media filter for deep purification of rainwater - Google Patents

Abstract

The utility model relates to the technical field of rainwater filtration, in particular to a multi-medium filter for deep purification of rainwater, which comprises a barrel, wherein one side of the bottom end of the barrel is connected with a water inlet pipe, one side of the top end of the barrel is connected with a water outlet pipe, the top end of the barrel is fixedly provided with a cover plate, a plurality of annular vertical grooves are formed in the inner side wall of the barrel, and a plurality of blocking grooves formed in the inner wall of the barrel are communicated with one side of the vertical grooves.

Description

Multi-medium filter for deep purification of rainwater

Technical Field

The utility model relates to the technical field of rainwater filtration, in particular to a multi-medium filter for deep purification of rainwater.

Background

Developed areas of chemical industry, power generation and other heavy chemical industry have huge demand for water resources, and if the existing structures such as factory buildings, primary water pools and the like of chemical plants can be fully utilized, rainwater can be effectively collected and recycled in rainy seasons, and the contradiction of insufficient supply and demand of local water resources can be relieved to a certain extent.

The conventional rainwater filtration is generally that rainwater firstly passes through coarse filtration after entering a collecting port, and then enters a filter for secondary filtration, wherein a filtering component used for secondary filtration is inconvenient to disassemble and assemble with the subsequent operation, so that the difficulty of replacement is high during the subsequent maintenance operation, and the use effect is affected.

Disclosure of utility model

The utility model aims to provide a multi-medium filter for deep purification of rainwater, which aims to solve the problems in the background technology.

The technical scheme is that the multi-medium filter for deep rainwater purification comprises a barrel, wherein one side of the bottom end of the barrel is connected with a water inlet pipe, one side of the top end of the barrel is connected with a water outlet pipe, the top end of the barrel is fixedly provided with a cover plate, a plurality of annular vertical grooves are formed in the inner side wall of the barrel, a plurality of stop grooves formed in the inner wall of the barrel are communicated with one side of the vertical grooves, an active carbon layer, a medical stone filter layer and a PP cotton filter layer are sequentially arranged in the barrel from top to bottom, and convex edges matched with the stop grooves are fixed on the circumferential side walls of the active carbon layer, the medical stone filter layer and the PP cotton filter layer.

The rainwater can be led in from the bottom end of the cylinder through the water inlet pipe, the rainwater sequentially passes through the PP cotton filter layer, the medical stone filter layer and the active carbon layer for filtration, and the rainwater subjected to deep purification is discharged from the water outlet pipe, wherein the PP cotton filter layer, the medical stone filter layer and the active carbon layer only need to be slidingly inserted in the vertical groove after the convex edges of the sides of the PP cotton filter layer, the medical stone filter layer and the active carbon layer are in sliding fit with the stop groove during assembly, the purpose of rapidly assembling the PP cotton filter layer, the medical stone filter layer and the active carbon layer is achieved, and the replacement work of the PP cotton filter layer, the medical stone filter layer and the active carbon layer is also facilitated after the cover plate is opened in later period.

Preferably, a plurality of retaining frames which are slidably inserted into the vertical grooves are fixed at the bottom of the cover plate, one side of each retaining frame is abutted to the convex edge, and the bottom end of each retaining frame is in sealing fit with the bottom end of the vertical groove.

The sealing device has the advantages that the convex edges of the side walls of the PP cotton filter layer, the medical stone filter layer and the active carbon layer can be limited through the stopping frame, shaking is prevented, and in addition, the bottom end of the stopping frame can seal the bottom end of the vertical groove.

Preferably, a feed opening is formed in the bottom end of the cylinder body, and a coarse filter element communicated with the water inlet pipe is installed in the feed opening.

The component has the effect that the rainwater led in by the water inlet pipe can be subjected to primary filtering operation through the coarse filtering piece.

Preferably, the coarse filter element comprises a bottom plate fixed at the bottom of the cylinder body in the feed opening, a cover shell extending into the cylinder body is fixed at the top of the bottom plate, a side hole communicated with the water inlet pipe port is formed in one side of the cover shell, and symmetrical filter screens are mounted on the side walls of the cover shell.

The filter screen has the advantages that the cover shell can be conveniently installed in the cylinder through the bottom plate, the side holes are communicated with the water inlet pipe, and the filter screen can filter rainwater led into the cover shell by the water inlet pipe.

The utility model provides a multi-medium filter for deep purification of rainwater through improvement, which has the following improvement and advantages compared with the prior art:

The rainwater can be led in from the bottom end of the cylinder through the water inlet pipe, the rainwater sequentially passes through the PP cotton filter layer, the medical stone filter layer and the activated carbon layer for filtration, and the deeply purified rainwater is discharged from the water outlet pipe, wherein the convex edges of the sides of the PP cotton filter layer, the medical stone filter layer and the activated carbon layer are only required to be slidingly inserted in the vertical groove and rotated until the convex edges are in limit fit with the stop groove during assembly, so that the purpose of rapidly assembling the PP cotton filter layer, the medical stone filter layer and the activated carbon layer is achieved, and the replacement of the PP cotton filter layer, the medical stone filter layer and the activated carbon layer after the cover plate is opened in the later period is also facilitated;

Secondly, the convex edges of the side walls of the PP cotton filter layer, the medical stone filter layer and the active carbon layer can be limited through the stop frame to prevent shaking, and in addition, the bottom end of the stop frame can seal the bottom end of the vertical groove.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional perspective view of the present utility model;

FIG. 3 is a schematic view of an assembled perspective structure of an activated carbon layer according to the present utility model;

fig. 4 is a schematic perspective view of a coarse filter assembly according to the present utility model.

Reference numerals illustrate:

1. The filter comprises a cylinder body, 2, a water inlet pipe, 3, a water outlet pipe, 4, a cover plate, 5, a coarse filter element, 51, a bottom plate, 52, a housing, 53, a filter screen, 54, a side hole, 6, a vertical groove, 7, a stop groove, 8, an active carbon layer, 9, a medical stone filter layer, 10, a PP cotton filter layer, 11, a convex edge, 12 and a stop frame.

Detailed Description

The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a multi-medium filter for deep purification of rainwater through improvement, which comprises the following technical scheme:

In the embodiment of the utility model, as shown in fig. 1-4, the multi-medium filter for deep rainwater purification comprises a barrel 1, wherein one side of the bottom end of the barrel 1 is connected with a water inlet pipe 2, one side of the top end of the barrel 1 is connected with a water outlet pipe 3, the top end of the barrel 1 is fixedly provided with a cover plate 4, a plurality of annular vertical grooves 6 are formed in the inner side wall of the barrel 1, one side of each vertical groove 6 is communicated with a plurality of blocking grooves 7 formed in the inner wall of the barrel 1, an active carbon layer 8, a medical stone filter layer 9 and a PP cotton filter layer 10 are sequentially arranged in the barrel 1 from top to bottom, the water inlet pipe 2 can guide rainwater into the bottom end of the barrel 1, the rainwater can be filtered through the PP cotton filter layer 10, the medical stone filter layer 9 and the active carbon layer 8 in sequence, the rainwater subjected to deep purification is discharged from the water outlet pipe 3, convex edges 11 which are matched with the blocking grooves 7 are respectively fixed on the circumferential side walls of the active carbon layer 8, the medical stone filter layer 9 and the PP cotton filter layer 10, wherein the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 only need to be slidingly inserted into the vertical groove 6 at the side edge of the flange 11 and rotate until the flange 11 is in limit fit with the stop groove 7 during assembly, the quick assembly of the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 is completed, the cover plate 4 is conveniently opened at the later stage, the replacement of the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 is also carried out, a plurality of stop frames 12 slidingly inserted into the vertical groove 6 are fixed at the bottom of the cover plate 4, one side of each stop frame 12 is abutted with the flange 11, the bottom end of each stop frame 12 is in seal fit with the bottom end of the vertical groove 6, the flange 11 on the side walls of the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 can be limited through the stop frames 12, and the shaking is prevented, the bottom end of the stop frame 12 can seal the bottom end of the vertical groove 6.

In the embodiment of the utility model, the bottom end of the cylinder 1 is provided with a feed opening, a coarse filter element 5 communicated with the water inlet pipe 2 is arranged in the feed opening, the coarse filter element 5 comprises a bottom plate 51 fixed in the feed opening at the bottom of the cylinder 1, a cover shell 52 extending into the cylinder 1 is fixed at the top of the bottom plate 51, one side of the cover shell 52 is provided with a side hole 54 communicated with the port of the water inlet pipe 2, the side wall of the cover shell 52 is provided with a symmetrical filter screen 53, the cover shell 52 can be conveniently arranged in the cylinder 1 through the bottom plate 51, the side hole 54 is communicated with the water inlet pipe 2, and the filter screen 53 can filter rainwater led into the cover shell 52 by the water inlet pipe 2.

The working principle of the multi-medium filter for deep rainwater purification provided by the utility model is that rainwater can be introduced from the bottom end of the barrel 1 through the water inlet pipe 2, the bottom plate 51 can facilitate the installation of the cover shell 52 in the barrel 1 and enable the side holes 54 to be communicated with the water inlet pipe 2, the filter screen 53 can filter the rainwater introduced into the cover shell 52, the rainwater sequentially filters through the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8, the rainwater subjected to deep purification is discharged from the water outlet pipe 3, the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 only need to slide and insert the convex edges 11 on the side edges of the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 in the vertical groove 6 during assembly, and then rotate until the convex edges 11 are in limit fit with the stop groove 7, the stop frame 12 can limit the convex edges 11 on the side walls of the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8, so that shaking is prevented, in addition, the bottom end of the stop frame 12 can seal the bottom end of the vertical groove 6, the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 can be rapidly assembled, and the cover plate 4 can be conveniently opened, and the PP cotton filter layer 10, the activated carbon layer 8 can be replaced after the cover plate is opened, and the activated carbon layer is conveniently.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A multi-media filter for deep purification of rainwater, comprising a cylinder (1), wherein one side of the bottom end of the cylinder (1) is connected to a water inlet pipe (2), one side of the top end of the cylinder (1) is connected to a water outlet pipe (3), and a cover plate (4) is fixed to the top end of the cylinder (1), characterized in that: a plurality of annularly distributed vertical grooves (6) are provided on the inner side wall of the cylinder (1), one side of the vertical grooves (6) is connected to a plurality of stop grooves (7) provided on the inner wall of the cylinder (1), an activated carbon layer (8), a medical stone filter layer (9) and a PP cotton filter layer (10) are arranged in sequence inside the cylinder (1) from top to bottom, and convex edges (11) adapted to the stop grooves (7) are fixed on the circumferential side walls of the activated carbon layer (8), the medical stone filter layer (9) and the PP cotton filter layer (10). 2. A multi-media filter for deep purification of rainwater according to claim 1, characterized in that: a plurality of stop frames (12) slidably inserted into the vertical groove (6) are fixed to the bottom of the cover plate (4), one side of the stop frame (12) is in contact with the convex edge (11), and the bottom end of the stop frame (12) is sealed and fitted with the bottom end of the vertical groove (6). 3. A multi-media filter for deep purification of rainwater according to claim 1, characterized in that: a feed opening is provided at the bottom end of the cylinder (1), and a coarse filter element (5) connected to the water inlet pipe (2) is installed in the feed opening. 4. A multi-media filter for deep purification of rainwater according to claim 3, characterized in that: the coarse filter element (5) includes a bottom plate (51) fixed in the discharge port at the bottom of the cylinder (1), a cover shell (52) extending into the cylinder (1) is fixed on the top of the bottom plate (51), a side hole (54) connected to the port of the water inlet pipe (2) is opened on one side of the cover shell (52), and a symmetrical filter screen (53) is installed on the side wall of the cover shell (52).