Multi-medium filter for deep purification of rainwater

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, 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, a cover plate is fixed at the top end of the barrel, and a plurality of annularly distributed vertical grooves are arranged on the inner side wall of the barrel. When the PP cotton filter layer, the medical stone filter layer and the activated carbon layer are assembled, the convex edges on the side edges of the PP cotton filter layer, the medical stone filter layer and the activated carbon layer only need to be inserted into the vertical grooves in a sliding mode and then rotate till the convex edges are matched with the stop grooves in a limiting mode, and then the PP cotton filter layer, the medical stone filter layer and the activated carbon layer are assembled. The purpose of quickly assembling the PP cotton filter layer, the medical stone filter layer and the activated carbon layer is achieved, and the PP cotton filter layer, the medical stone filter layer and the activated carbon layer can be conveniently replaced after the cover plate is opened in the later period.

Description

Technical Field

[0001] The utility model relates to the technical field of rainwater filtration, in particular to a multi-media filter for deep purification of rainwater. Background Art

[0002] Areas with developed heavy chemical industries such as chemical industry and power generation have huge demands for water resources. If we can make full use of existing structures such as chemical plant buildings and primary water tanks to effectively collect rainwater for reuse during the rainy season, the contradiction between insufficient supply and demand of local water resources can be alleviated to a certain extent.

[0003] In the existing rainwater filtration, rainwater generally undergoes coarse filtration after entering the collection port, and then enters the filter for secondary filtration. The filter components used in the secondary filtration are not convenient for subsequent disassembly and assembly, which makes replacement difficult during subsequent maintenance and affects the use effect. Utility Model Content

[0004] The utility model aims to provide a multi-media filter for deep purification of rainwater to solve the problems raised in the above-mentioned background technology.

[0005] The technical solution of the utility model is: a multi-media filter for deep purification of rainwater, comprising a cylinder, a water inlet pipe is connected to one side of the bottom end of the cylinder, a water outlet pipe is connected to one side of the top end of the cylinder, a cover plate is fixed to the top end of the cylinder, a plurality of annularly distributed vertical grooves are opened on the inner wall of the cylinder, one side of the vertical grooves is connected to a plurality of stop grooves opened on the inner wall of the cylinder, an activated carbon layer, a medical stone filter layer and a PP cotton filter layer are arranged in sequence inside the cylinder from top to bottom, and convex edges matching the stop grooves are fixed on the circumferential side walls of the activated carbon layer, the medical stone filter layer and the PP cotton filter layer.

[0006] The effects achieved by the above components are: rainwater can be introduced from the bottom of the cylinder through the water inlet pipe, and the rainwater is filtered through the PP cotton filter layer, the medical stone filter layer and the activated carbon layer in turn, and the deeply purified rainwater is discharged from the outlet pipe. During the assembly, the PP cotton filter layer, the medical stone filter layer and the activated carbon layer only need to slide the convex edges of their sides into the vertical grooves and rotate them until the convex edges are limitedly matched with the stop grooves, thereby completing the purpose of rapid assembly of the PP cotton filter layer, the medical stone filter layer and the activated carbon layer, and also facilitating the replacement of the PP cotton filter layer, the medical stone filter layer and the activated carbon layer after the cover is opened later.

[0007] Preferably, a plurality of stop frames slidably inserted into the vertical grooves are fixed to the bottom of the cover plate, one side of the stop frame abuts against the convex edge, and the bottom end of the stop frame is sealingly fitted with the bottom end of the vertical groove.

[0008] The effects achieved by the above components are: the convex edges of the side walls of the PP cotton filter layer, the medical stone filter layer and the activated carbon layer can be limited by the stop frame to prevent shaking, and the bottom end of the stop frame can seal the bottom end of the vertical groove.

[0009] Preferably, a feed opening is provided at the bottom end of the cylinder, and a coarse filter element connected to the water inlet pipe is installed in the feed opening.

[0010] The effect achieved by the above components is that the rainwater introduced into the water inlet pipe can be primarily filtered through the coarse filter element.

[0011] Preferably, the coarse filter element includes a bottom plate fixed in the feed port at the bottom of the cylinder, a cover shell extending into the cylinder is fixed on the top of the bottom plate, a side hole connected to the water inlet pipe port is opened on one side of the cover shell, and a symmetrical filter screen is installed on the side wall of the cover shell.

[0012] The effects achieved by the above components are: the cover shell can be easily installed in the cylinder through the bottom plate and the side hole can be connected to the water inlet pipe, and the filter net can filter the rainwater introduced into the cover shell by the water inlet pipe.

[0013] The utility model provides a multi-media filter for deep purification of rainwater through improvement, which has the following improvements and advantages compared with the prior art:

[0014] First, the utility model can introduce rainwater from the bottom of the cylinder through the water inlet pipe, and the rainwater is filtered through the PP cotton filter layer, the medical stone filter layer and the activated carbon layer in turn, and the deeply purified rainwater is discharged from the water outlet pipe, wherein the PP cotton filter layer, the medical stone filter layer and the activated carbon layer only need to slide the convex edge of the side into the vertical groove during assembly and rotate until the convex edge and the stop groove are limitedly matched, so as to complete the purpose of rapid assembly of the PP cotton filter layer, the medical stone filter layer and the activated carbon layer, and also facilitate the replacement of the PP cotton filter layer, the medical stone filter layer and the activated carbon layer after the cover plate is opened later;

[0015] Secondly, the utility model can limit the convex edges of the PP cotton filter layer, the medical stone filter layer and the side walls of the activated carbon layer through the stop frame to prevent shaking. In addition, the bottom end of the stop frame can seal the bottom end of the vertical groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a cross-sectional three-dimensional structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the assembled three-dimensional structure of the activated carbon layer in the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the coarse filtering component in the utility model.

[0021] Description of reference numerals:

[0022] 1. Cylinder; 2. Water inlet pipe; 3. Water outlet pipe; 4. Cover plate; 5. Coarse filter element; 51. Bottom plate; 52. Cover shell; 53. Filter screen; 54. Side hole; 6. Vertical groove; 7. Stop groove; 8. Activated carbon layer; 9. Medical stone filter layer; 10. PP cotton filter layer; 11. Convex edge; 12. Stop frame. DETAILED DESCRIPTION

[0023] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0024] The utility model provides a multi-media filter for deep purification of rainwater through improvement. The technical solution of the utility model is:

[0025] In the embodiment of the present utility model, Figure 1-Figure 4As shown, a multi-media filter for deep purification of rainwater comprises a cylinder 1, a water inlet pipe 2 is connected to one side of the bottom end of the cylinder 1, a water outlet pipe 3 is connected to one side of the top end of the cylinder 1, a cover plate 4 is fixed to the top end of the cylinder 1, a plurality of annularly distributed vertical grooves 6 are opened on the inner wall of the cylinder 1, one side of the vertical grooves 6 is connected to a plurality of stop grooves 7 opened 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 sequentially arranged inside the cylinder 1 from top to bottom, the water inlet pipe 2 can introduce rainwater from the bottom end of the cylinder 1, the rainwater is filtered through the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 in turn, and the deeply purified rainwater is discharged from the water outlet pipe 3, and the circumferential side walls of the activated carbon layer 8, the medical stone filter layer 9 and the PP cotton filter layer 10 are all fixed with convex edges 11 adapted to the stop grooves 7, wherein the PP cotton filter During the assembly work, the layer 10, the medical stone filter layer 9 and the activated carbon layer 8 only need to slide the convex edge 11 of the side into the vertical groove 6 and rotate until the convex edge 11 is limited and matched with the stop groove 7, so as to complete the purpose of rapid assembly of the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8, and it is also convenient to replace the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 after the cover plate 4 is opened in the later stage. A plurality of stop frames 12 that are slidably inserted into the vertical groove 6 are fixed at 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, and the convex edge 11 of the side wall of the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 can be limited by the stop frame 12 to prevent shaking. In addition, the bottom end of the stop frame 12 can seal the bottom end of the vertical groove 6.

[0026] In an embodiment of the utility model, a discharge port 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 discharge port. The coarse filter element 5 includes a bottom plate 51 fixed in the discharge port at the bottom of the cylinder 1, and 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 provided 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. The cover shell 52 can be easily installed in the cylinder 1 through the bottom plate 51 and the side hole 54 can be connected to the water inlet pipe 2. The filter screen 53 can filter the rainwater introduced into the cover shell 52 by the water inlet pipe 2.

[0027] The working principle of a multi-media filter for deep purification of rainwater provided by the utility model is as follows: rainwater can be introduced from the bottom end of the cylinder 1 through the water inlet pipe 2, the bottom plate 51 can facilitate the installation of the cover 52 in the cylinder 1 and make the side hole 54 communicate with the water inlet pipe 2, the filter screen 53 can filter the rainwater introduced into the cover 52 by the water inlet pipe 2, the rainwater is filtered through the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 in sequence, and the deeply purified rainwater is discharged from the water outlet pipe 3, wherein the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 are assembled in the process of During operation, it is only necessary to slide the convex edge 11 on the side into the vertical groove 6 and rotate it until the convex edge 11 is limited and matched with the stopping groove 7. The stopping frame 12 can limit the convex edge 11 of the side wall of the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8 to prevent shaking. In addition, the bottom end of the stopping frame 12 can seal the bottom end of the vertical groove 6 to complete the purpose of rapid assembly of the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8, and it is also convenient to open the cover plate 4 later to replace the PP cotton filter layer 10, the medical stone filter layer 9 and the activated carbon layer 8.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-media filter for deep purification of rainwater, comprising a cylinder (1), a water inlet pipe (2) connected to one side of the bottom end of the cylinder (1), a water outlet pipe (3) connected to one side of the top end of the cylinder (1), a cover plate (4) fixed to the top end of the cylinder (1), characterized in that: The inner wall of the cylinder (1) is provided with a plurality of annularly distributed vertical grooves (6), 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), and an activated carbon layer (8), a medical stone filter layer (9) and a PP cotton filter layer (10) are sequentially arranged 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. The multi-media filter for deep purification of rainwater according to claim 1, characterized in that: A plurality of stop frames (12) are fixed at the bottom of the cover plate (4) and are slidably inserted into the vertical groove (6); one side of the stop frame (12) contacts 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. The 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 (5) connected to the water inlet pipe (2) is installed in the feed opening.

4. The multi-media filter for deep purification of rainwater according to claim 3, characterized in that: 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 on the top of the bottom plate (51); a side hole (54) communicating with 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).

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