Multi-stage filter box

Abstract

The utility model relates to the technical field of multi-stage filter boxes, and discloses a multi-stage filter box which comprises a box body, a water inlet pipe is mounted on one side of the box body, a water outlet pipe is mounted on the other side of the box body, a plurality of groups of filter assemblies are arranged in the box body, one group of filter assemblies is provided with a cleaning mechanism for cleaning the filter assemblies, and the other group of filter assemblies is provided with a water outlet pipe. The filter assembly comprises a plurality of groups of first frames arranged in the box body, a second frame is arranged at the bottom of each group of first frames, and a filter screen is arranged on one side, opposite to the second frame, of each group of first frames. The multi-stage filter box solves the problems that in order to ensure the stability of each stage of filter mechanism during use of a common multi-stage filter box, the filter mechanism is fixed in the filter box, so that mounting, dismounting and follow-up maintenance are inconvenient, and meanwhile, the filter mechanism cannot be fixed along with the prolonging of the service time. And sundries are deposited on the surface of the filtering mechanism, so that the use performance and the service life of the filtering mechanism are influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-stage filter boxes, and specifically relates to a multi-stage filter box. Background Technique

[0002] The multi-stage filter box is a common water pollution treatment device used to remove impurities in sewage. It usually consists of multiple filtration levels, and each level uses different filter materials and filtration principles to enhance the filtration effect.

[0003] When the common multi-stage filter box is in use, in order to ensure the stability of each stage of the filtration mechanism, the filtration mechanism is fixed in the filter box, which is not convenient for installation, disassembly and subsequent maintenance. At the same time, as the use time prolongs, sundries will deposit on the surface of the filtration mechanism, thus affecting its use performance and service life. Therefore, a multi-stage filter box is needed to solve the above problems. Content of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides a multi-stage filter box, which solves the problems that when the common multi-stage filter box is in use, in order to ensure the stability of each stage of the filtration mechanism, the filtration mechanism is fixed in the filter box, which is not convenient for installation, disassembly and subsequent maintenance. At the same time, as the use time prolongs, sundries will deposit on the surface of the filtration mechanism, thus affecting its use performance and service life.

[0006] (II) Technical Solutions

[0007] The technical solution of the utility model to solve the above technical problems is as follows: a multi-stage filter box, including a box body, a water inlet pipe is installed on one side of the box body, a water outlet pipe is installed on the other side of the box body, and multiple groups of filtration components are arranged in the box body, and a cleaning mechanism for cleaning the filtration components is arranged on one group of the filtration components.

[0008] Preferably, the filtration component includes multiple groups of first frames arranged in the box body, a second frame is arranged at the bottom of each group of the first frames, a filter net is arranged on the opposite side of each group of the first frames and the second frames, two groups of threaded rods are symmetrically installed on the surface of each group of the first frames, and nuts are threadedly installed on the surface of each group of the threaded rods.

[0009] Preferably, multiple groups of installation grooves adapted to the threaded rods are arranged on the box body, the threaded rods are fixed to the box body through nuts, convex blocks are installed on both sides of the filter net, and clamping grooves adapted to the convex blocks are opened in each group of the first frames and the second frames.

[0010] Preferably, the cleaning mechanism includes multiple groups of scraping plates arranged inside the box body. A connecting rod is installed at the top of each group of scraping plates. The tops of the two connecting rods are jointly installed with an end plate. A fixing rod is installed at the bottom of the end plate. A sleeve is rotatably connected to the surface of the fixing rod. An installation head is installed at the top of one of the first frames.

[0011] Preferably, a convex ring is installed on the surface of the fixing rod. An installation hole adapted to the fixing rod is opened in the sleeve. An annular rotating groove adapted to the convex ring is opened in the installation hole. A threaded groove adapted to the installation head is opened at the bottom of the sleeve.

[0012] The beneficial effects of the present utility model are:

[0013] 1) When installing the filter screen, only need to loosen the nut, then disassemble the first frame, then snap the filter screen into the second frame, and finally install the first frame on the top of the filter screen and fix it with the nut. The operation is simple, which is convenient for installation and disassembly and subsequent maintenance. When in use, sewage is introduced into the box body through the water inlet pipe. Debris in the sewage is removed under the action of the two filter screens. The treated sewage is discharged through the water outlet pipe and enters the next treatment process. When cleaning the filter screen, only need to rotate the sleeve to separate it from the installation head, and then pull the end plate to drive the scraping plate to scrape the debris deposited on the surface of the filter screen and collect it in the scraping plate, which is convenient for cleaning and saves the trouble of disassembling and cleaning the filter screen. Description of the Drawings

[0014] Figure 1 is a schematic structural view of the present utility model;

[0015] Figure 2 is a side view of the present utility model;

[0016] Figure 3 is a schematic structural view of the filter assembly of the present utility model;

[0017] Figure 4 is a schematic structural view of the first frame and the second frame of the present utility model;

[0018] Figure 5 is a schematic structural view of the cleaning mechanism of the present utility model;

[0019] Figure 6 is a schematic structural view of the sleeve installation of the present utility model.

[0020] In the figure: 1. Box body; 2. Water inlet pipe; 3. Water outlet pipe; 4. Filter assembly; 401. First frame; 402. Second frame; 403. Filter screen; 404. Threaded rod; 405. Nut; 5. Cleaning mechanism; 501. Scraper; 502. Connecting rod; 503. End plate; 504. Fixed rod; 505. Sleeve; 506. Mounting head. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Embodiment 1, as shown by Figure 1-4 A multi-stage filter box includes a box body 1. A water inlet pipe 2 is installed on one side of the box body 1, a water outlet pipe 3 is installed on the other side of the box body 1, and multiple groups of filter assemblies 4 are arranged in the box body 1;

[0023] The filter assembly 4 includes multiple groups of first frames 401 arranged in the box body 1. A second frame 402 is arranged at the bottom of each group of first frames 401. A filter screen 403 is arranged on the opposite side of each group of first frames 401 and the second frame 402. Two groups of threaded rods 404 are symmetrically installed on the surface of each group of first frames 401, and nuts 405 are threadedly installed on the surface of each group of threaded rods 404.

[0024] Multiple installation grooves adapted to the threaded rods 404 are arranged on the box body 1. The threaded rods 404 are fixed to the box body 1 through nuts 405. Convex blocks are installed on both sides of the filter screen 403, and clamping grooves adapted to the convex blocks are formed in each group of first frames 401 and the second frame 402.

[0025] When installing the filter screen 403 through the set structure, only need to loosen the nut 405, then disassemble the first frame 401, then snap the filter screen 403 into the second frame 402, and finally install the first frame 401 on the top of the filter screen 403 and fix it with the nut 405. The operation is simple, which is convenient for installation and disassembly and subsequent maintenance.

[0026] Embodiment 2, as shown by Figure 1 、 2, 5 and 6 show that, on the basis of the first embodiment, a cleaning mechanism 5 for cleaning the filtering component 4 is provided on one set of filtering components 4. The cleaning mechanism 5 includes multiple sets of scraping plates 501 arranged in the box body 1. A connecting rod 502 is installed at the top of each set of scraping plates 501. The tops of the two connecting rods 502 are jointly installed with an end plate 503. A fixing rod 504 is installed at the bottom of the end plate 503. A sleeve 505 is rotatably connected to the surface of the fixing rod 504. An installation head 506 is installed at the top of one set of the first frames 401.

[0027] A convex ring is installed on the surface of the fixing rod 504. An installation hole adapted to the fixing rod 504 is opened in the sleeve 505. An annular rotating groove adapted to the convex ring is opened in the installation hole. A threaded groove adapted to the installation head 506 is opened at the bottom of the sleeve 505.

[0028] When using the structure provided, sewage is introduced into the box body 1 through the water inlet pipe 2. Debris in the sewage is removed under the action of the two sets of filter meshes 403. The treated sewage is discharged through the water outlet pipe 3 and enters the next treatment process. When cleaning the filter mesh 403, only need to rotate the sleeve 505 to separate it from the installation head 506, and then pull the end plate 503 to drive the scraping plate 501 to scrape off the debris deposited on the surface of the filter mesh 403 and collect it in the scraping plate 501, which is convenient for cleaning and saves the trouble of disassembling and cleaning the filter mesh 403.

[0029] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to this process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage filter box, comprising a box body (1), characterized in that: A water inlet pipe (2) is installed on one side of the box body (1), and a water outlet pipe (3) is installed on the other side of the box body (1). A plurality of groups of filter assemblies (4) are arranged in the box body (1), and a cleaning mechanism (5) for cleaning the filter assemblies (4) is arranged on one group of the filter assemblies (4).

2. A multi-stage filter box according to claim 1, characterized in that: The filter assembly (4) comprises a plurality of groups of first frames (401) arranged in a housing (1); a second frame (402) is arranged at the bottom of each group of the first frames (401); a filter screen (403) is arranged on a side of each group of the first frames (401) opposite to the second frame (402); two groups of threaded rods (404) are symmetrically mounted on the surface of each group of the first frames (401); and a nut (405) is threadedly mounted on the surface of each group of the threaded rods (404).

3. A multi-stage filter box according to claim 2, characterized in that: The box body (1) is provided with a plurality of groups of mounting grooves adapted to the threaded rods (404); the threaded rods (404) and the box body (1) are fixed via nuts (405); protrusions are installed on both sides of the filter screen (403); and each group of the first frame (401) and the second frame (402) is provided with a slot adapted to the protrusion.

4. A multi-stage filter box according to claim 2, characterized in that: The cleaning mechanism (5) comprises a plurality of groups of scrapers (501) arranged in a box body (1), a connecting rod (502) being installed on the top of each group of scrapers (501), an end plate (503) being installed on the tops of two groups of connecting rods (502), a fixing rod (504) being installed on the bottom of the end plate (503), a sleeve (505) being rotatably connected to the surface of the fixing rod (504), and a mounting head (506) being installed on the top of one group of the first frames (401).

5. A multi-stage filter box according to claim 4, characterized in that: A convex ring is installed on the surface of the fixing rod (504), a mounting hole matching the fixing rod (504) is provided in the sleeve (505), an annular rotating groove matching the convex ring is provided in the mounting hole, and a threaded groove matching the mounting head (506) is provided at the bottom of the sleeve (505).

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