Countercurrent filter for wastewater countercurrent treatment

Abstract

The utility model belongs to the technical field of countercurrent filters, and particularly relates to a countercurrent filter for wastewater countercurrent treatment, which comprises a barrel body, a filter element is fixedly connected in the barrel body, a cover is slidably connected to the upper end of the inner side of the barrel body, a limiting frame is slidably connected to the outer side of the cover, and the limiting frame is in contact with the barrel body. The upper end of the cover is fixedly connected with a guide block, the guide block is in sliding connection with the limiting frame, and the interior of the limiting frame is rotationally connected with a threaded rod. Through the arrangement of the fixing block, the limiting sleeve, the positioning plate and other components, the limiting sleeve and the connecting pipe can do threaded motion by rotating the limiting sleeve, so that the barrel body can be conveniently detached from the connecting pipe, the barrel body can be detached, the barrel body can be conveniently cleaned, and the working efficiency is improved. The problems that a countercurrent filter for wastewater countercurrent treatment is inconvenient to disassemble during use, and internal impurities are inconvenient to clean are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of counterflow filter, concretely to a counterflow filter for wastewater counterflow treatment. BACKGROUND

[0002] The counterflow filter in wastewater counterflow treatment (also known as counterflow filter or reverse flow filter) is a common water treatment equipment, mainly used for removing suspended solids, particulate matter and impurities in wastewater through filter screen or filter material. This filter controls the direction of water flow, usually filters water from bottom to top or from bottom to top, uses gravity, physical interception of filter material and reverse action of water flow to enhance filtration effect. According to the utility model disclosed in the patent authorization announcement No. CN201308785Y, the counterflow filter at least includes a filter cartridge, the filter cartridge has a conical cylinder below, and the filter cartridge is provided with filter material lighter than water; a jet pipe is arranged inside the conical cylinder of the filter cartridge, and the jet pipe is provided with a plurality of jet holes.

[0003] However, the counterflow filter for wastewater counterflow treatment is very cumbersome to disassemble during use due to design limitations, which not only wastes time but also may cause certain safety hazards. Impurities often accumulate inside the filter, especially when treating wastewater, which may reduce the filtration effect and even damage the equipment. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a counterflow filter for wastewater counterflow treatment, which solves the problem of inconvenient disassembly of the counterflow filter for wastewater counterflow treatment during use and inconvenient cleaning of internal impurities.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a counterflow filter for wastewater counterflow treatment, comprising a barrel, a filter core is fixedly connected inside the barrel, a lid is slidably connected to the inner side of the upper end of the barrel, a limiting frame is slidably connected to the outer side of the lid, the limiting frame is in contact with the barrel, a guide block is fixedly connected to the upper end of the lid, the guide block is slidably connected with the limiting frame, a threaded rod is rotatably connected inside the limiting frame, the threaded rod is connected with the guide block through threads, a fixed tube is fixedly connected to the lower end of the barrel, a connecting tube is inserted into the outer side of the fixed tube, and a limiting mechanism is arranged on the barrel.

[0006] Preferably, the limiting frame is fixedly connected with a limiting block on one side close to the barrel, and the limiting block is slidably connected inside the barrel. Through the design of the limiting block, the lid can be limited.

[0007] Preferably, the outer side of the threaded rod is fixedly connected with a stop ring, and the stop ring is rotatably connected with the limiting frame. Through the design of the stop ring, the threaded rod can drive the limiting frame to move.

[0008] Preferably, one end of the threaded rod away from the limiting frame is fixedly connected with a knob, the knob is in contact with the limiting frame, and the threaded rod can be driven to rotate through the design of the knob.

[0009] Preferably, the limiting mechanism comprises a fixed block, the lower end of the barrel body is fixedly connected with the fixed block, the fixed block is in contact with the connecting pipe, the outer side of the fixed block is rotatably connected with a limiting sleeve, the limiting sleeve is in contact with the barrel body, the limiting sleeve is connected with the connecting pipe through threads, the outer side of the fixed block is fixedly connected with a protruding block, the protruding block is slidably connected with the limiting sleeve, the lower end of the barrel body is fixedly connected with a positioning rod, and the outer side of the connecting pipe is fixedly connected with a positioning plate, so that the barrel body can be conveniently disassembled through the design of the limiting mechanism.

[0010] Preferably, the positioning plate is in contact with the limiting sleeve, and the positioning plate is slidably connected with the positioning rod, so that the barrel body can be positioned through the design of the positioning plate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a fixed block, limiting sleeve, positioning plate and other components are arranged, the limiting sleeve is made to be in screw thread motion with the connecting pipe through rotation, thereby the barrel body can be conveniently disassembled from the connecting pipe, the barrel body can be disassembled, and the barrel body can be conveniently cleaned, so that the problem that the backflow filter for waste water backflow treatment is inconvenient to disassemble and inconvenient to clean the internal impurities in use is solved.

[0013] 2、The utility model discloses a limiting frame, limiting block, threaded rod and other components are arranged, the threaded rod is made to be in screw thread motion with the guide block through rotation, thereby the limiting frame drives the limiting block to slide out of the barrel body, the limiting of the cover can be released, and the impurities in the barrel body can be cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure perspective drawing of the utility model;

[0015] Figure 2 It is the overall structure perspective drawing of the utility model; Figure 1 It is the sectional view of the utility model;

[0016] Figure 3 It is the sectional view of the utility model; Figure 1 It is the sectional view of the utility model;

[0017] Figure 4 It is the sectional view of the utility model; Figure 3 It is the sectional view of the utility model;

[0018] Figure 5 It is the sectional view of the utility model;Figure 3 B part structure in the enlarged view of the B part in the figure.

[0019] In the figure: 1, barrel body; 11, filter core; 2, cover; 3, limiting frame; 31, limiting block; 32, guide block; 33, threaded rod; 34, blocking ring; 35, knob; 4, fixed tube; 41, connecting tube; 5, limiting mechanism; 51, fixed block; 52, limiting sleeve; 53, protruding block; 54, positioning rod; 55, positioning plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-5 A reverse flow filter for wastewater reverse flow treatment, comprising a barrel body 1, a filter core 11 fixedly connected inside the barrel body 1, a cover 2 slidingly connected to the inner upper end of the barrel body 1, a limiting frame 3 slidingly connected to the outer side of the cover 2, the limiting frame 3 being in contact with the barrel body 1, a limiting block 31 fixedly connected to one side of the limiting frame 3 close to the barrel body 1, the limiting block 31 being slidingly connected inside the barrel body 1, the limiting block 31 being designed to limit the cover 2, a guide block 32 fixedly connected to the upper end of the cover 2, the guide block 32 being slidingly connected with the limiting frame 3, a threaded rod 33 rotatably connected inside the limiting frame 3, the threaded rod 33 being threadedly connected with the guide block 32.

[0022] Please refer to Figures 2-5 A blocking ring 34 fixedly connected to the outer side of the threaded rod 33, the blocking ring 34 being rotatably connected with the limiting frame 3, the threaded rod 33 being designed to move the limiting frame 3 by the blocking ring 34, a knob 35 fixedly connected to one end of the threaded rod 33 away from the limiting frame 3, the knob 35 being in contact with the limiting frame 3, the threaded rod 33 being designed to rotate by the knob 35, a fixed tube 4 fixedly connected to the lower end of the barrel body 1, a connecting tube 41 inserted into the outer side of the fixed tube 4, a limiting mechanism 5 provided on the barrel body 1.

[0023] Please refer to Figures 2-5The limiting mechanism 5 comprises a fixed block 51, the lower end of the barrel body 1 is fixedly connected with the fixed block 51, the fixed block 51 is in contact with the connecting pipe 41, the outer side of the fixed block 51 is rotationally connected with a limiting sleeve 52, the limiting sleeve 52 is in contact with the barrel body 1, the limiting sleeve 52 is connected with the connecting pipe 41 through screw threads, the outer side of the fixed block 51 is fixedly connected with a protruding block 53, the protruding block 53 is slidingly connected with the limiting sleeve 52, the lower end of the barrel body 1 is fixedly connected with a positioning rod 54, the outer side of the connecting pipe 41 is fixedly connected with a positioning plate 55, the positioning plate 55 is in contact with the limiting sleeve 52, the positioning plate 55 is slidingly connected with the positioning rod 54, through the design of the positioning plate 55, the barrel body 1 can be positioned, through the design of the limiting mechanism 5, the barrel body 1 can be conveniently disassembled.

[0024] The specific implementation process of the utility model is as follows: in use, by rotating the limiting sleeve 52, the limiting sleeve 52 is moved in screw threads with the connecting pipe 41, so that the connecting pipe 41 slides out of the limiting sleeve 52, the positioning plate 55 slides down from the positioning rod 54, and the barrel body 1 can be disassembled from the connecting pipe 41;

[0025] By rotating the knob 35, the knob 35 drives the threaded rod 33 to rotate, the threaded rod 33 is moved in screw threads with the guide block 32, so that the threaded rod 33 drives the limiting frame 3 to move, the limiting frame 3 slides on the lid 2, the limiting frame 3 drives the limiting block 31 to move, the limiting block 31 slides out of the barrel body 1, the limiting of the lid 2 can be released, the lid 2 can be disassembled, and the impurities in the barrel body 1 can be cleaned.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A reverse flow filter for reverse flow treatment of wastewater, comprising a barrel (1), characterized in that: The inside of the barrel body (1) is fixedly connected with a filter core (11), the inner side upper end of the barrel body (1) is slidably connected with a cover (2), the outer side of the cover (2) is slidably connected with a limiting frame (3), the limiting frame (3) is in contact with the barrel body (1), the upper end of the cover (2) is fixedly connected with a guide block (32), the guide block (32) is slidably connected with the limiting frame (3), the inside of the limiting frame (3) is rotatably connected with a threaded rod (33), the threaded rod (33) is connected with the guide block (32) through threads, the lower end of the barrel body (1) is fixedly connected with a fixed pipe (4), the outer side of the fixed pipe (4) is inserted with a connecting pipe (41), and the barrel body (1) is provided with a limiting mechanism (5).

2. A reverse flow filter for wastewater reverse flow treatment according to claim 1, characterized in that: The side of the limiting frame (3) close to the barrel body (1) is fixedly connected with a limiting block (31), and the inside of the barrel body (1) is slidably connected with the limiting block (31).

3. A reverse flow filter for wastewater reverse flow treatment according to claim 1, characterized in that: The outer side of the threaded rod (33) is fixedly connected with a blocking ring (34), and the blocking ring (34) is rotatably connected with the limiting frame (3).

4. A reverse flow filter for wastewater reverse flow treatment according to claim 1, characterized in that: The end of the threaded rod (33) away from the limiting frame (3) is fixedly connected with a knob (35), and the knob (35) is in contact with the limiting frame (3).

5. A reverse flow filter for wastewater reverse flow treatment according to claim 1, characterized in that: The limiting mechanism (5) comprises a fixed block (51), the lower end of the barrel body (1) is fixedly connected with the fixed block (51), the fixed block (51) is in contact with the connecting pipe (41), the outer side of the fixed block (51) is rotatably connected with a limiting sleeve (52), the limiting sleeve (52) is in contact with the barrel body (1), the limiting sleeve (52) is connected with the connecting pipe (41) through threads, the outer side of the fixed block (51) is fixedly connected with a convex block (53), the convex block (53) is slidably connected with the limiting sleeve (52), the lower end of the barrel body (1) is fixedly connected with a positioning rod (54), and the outer side of the connecting pipe (41) is fixedly connected with a positioning plate (55).

6. A reverse flow filter for wastewater reverse flow treatment according to claim 5, characterized in that: The positioning plate (55) is in contact with the limiting sleeve (52), and the positioning plate (55) is slidably connected with the positioning rod (54).

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