Circulating filtration device for sewage treatment

Abstract

The utility model discloses a sewage treatment circulating filtering device which comprises a box body, a cover plate is mounted above the box body, a water filling nozzle is fixed above the cover plate, a limiting block is fixed on one side of the cover plate, a limiting rod penetrates through one side of the limiting block, a water outlet is formed in one side of the box body, and a water outlet is formed in the other side of the box body. A first partition plate is fixed to the inner side of the box body, and a first guide pipe is fixed to one side of the first partition plate; according to the circulating filtration device for sewage treatment, through cooperative use of the first partition plate, the first guide pipe, the second partition plate and the second guide pipe, the first guide pipe is arranged on the lower portion in the using process of the device, and flocculates floating on the upper portion in sewage injected into the device are screened out; and the second guide pipe is arranged on the upper portion, so that flocculate remaining below the water level is screened, the set of physical screening can greatly reduce the frequency of replacing and cleaning the filter screen, the use cost of the device is reduced, and the practicability of the device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to circulating filtering devices, in particular to a sewage treatment circulating filtering device. Background Art

[0002] Sewage treatment: The process of purifying sewage to meet the water quality requirements for discharge into a certain water body or reuse. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, and catering. In the process of sewage treatment, a circulating filter device is required. The circulating filter is a device that uses a filter to directly intercept impurities in the water, remove suspended matter and particulate matter in the water, reduce turbidity, purify water quality, and reduce the generation of system dirt, bacteria, algae, rust, etc., so as to purify the water quality and recycle the water for reuse.

[0003] The existing sewage treatment circulating filtration device uses a filter to perform initial filtration on the sewage during use. The filter has a large usage load and needs to be checked regularly for blockage during use. The filter also needs to be replaced and cleaned frequently, which is not practical. Therefore, a sewage treatment circulating filtration device is needed. Utility Model Content

[0004] The purpose of the utility model is to provide a sewage treatment circulating filtering device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sewage treatment circulating filtering device comprises a box body, a cover plate is installed on the top of the box body, a water injection port is fixed on the top of the cover plate, a limiting block is fixed on one side of the cover plate, a limiting rod is passed through one side of the limiting block, a drain port is arranged on one side of the box body, a first partition plate is fixed on the inner side of the box body, a first conduit is fixed on one side of the first partition plate, a second partition plate is fixed on the inner side of the box body, a second conduit is fixed on one side of the second partition plate, a slide groove is provided on the inner wall of the box body, a slider is sleeved inside the slide groove, a coarse filter screen is fixed on one end of the slider, a fine filter screen is provided on one side of the coarse filter screen, an activated carbon adsorption plate is provided on one side of the fine filter screen, a retaining frame is sleeved on the outer side of the coarse filter screen, a connecting rod is fixed on one side of the retaining frame, a bottom bracket is fixed on the lower side of the retaining frame, a partition sealing strip is fixed on the inner bottom end of the box body, and a placement groove is provided on the top of the partition sealing strip.

[0006] Preferably, the limit block is threadably connected to the box body via a limit rod, and one side of the limit block is designed to be open-hole.

[0007] Preferably, the first conduit is arranged below the first partition plate, and the second conduit is arranged above the second partition plate.

[0008] Preferably, the coarse filter screen forms a sliding structure with the box body through a slider, and the slider is symmetrically arranged with respect to the central axis of the coarse filter screen.

[0009] Preferably, the placement groove on the partition sealing strip is arranged corresponding to the base, and the base is designed in a trapezoidal structure.

[0010] Preferably, the partition sealing strip is adhesively connected to the box body, and the partition sealing strip is made of rubber.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. A sewage treatment circulating filter device, through the coordinated use of a first baffle, a first conduit, a second baffle and a second conduit, during the use of the device, the first conduit is arranged at the bottom to screen and retain the floccules floating on the top of the sewage injected into the device, and the second conduit is arranged at the top to screen and retain the floccules remaining below the water level. This set of physical screening can greatly reduce the frequency of filter replacement and cleaning, reduce the use cost of the device, and effectively improve the practicality of the device;

[0013] 2. This sewage treatment circulating filtration device, through the arrangement of a retaining frame, a connecting rod and a bottom support, can hold the positions of a coarse filter screen, a fine filter screen and an activated carbon adsorption plate through the retaining frame during the use of the device, and can conveniently disassemble, clean and replace these three parts as a whole. The three parts connected by the connecting rod on the left and right can be disassembled as a whole by directly lifting the connecting rod, thereby reducing the labor intensity when replacing accessories and cleaning the coarse filter screen and the fine filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the test cross-section structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the partition sealing strip of the utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the utility model from top view;

[0018] Figure 5 For this utility model Figure 4 The enlarged structural diagram of point A is shown.

[0019] In the figure: 1. box body; 2. cover plate; 3. water inlet; 4. limit block; 5. limit rod; 6. drain outlet; 7. first partition; 8. first duct; 9. second partition; 10. second duct; 11. slide; 12. slider; 13. coarse filter; 14. fine filter; 15. activated carbon adsorption plate; 16. retaining frame; 17. connecting rod; 18. bottom support; 19. partition sealing strip; 20. placement groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0021] See also Figure 1-5 The utility model provides a technical solution: a sewage treatment circulation filtering device, including a box body 1, a cover plate 2 is installed on the top of the box body 1, a water injection port 3 is fixed on the top of the cover plate 2, a limiting block 4 is fixed on one side of the cover plate 2, a limiting rod 5 runs through one side of the limiting block 4, the limiting block 4 is threadedly connected to the box body 1 through the limiting rod 5, one side of the limiting block 4 is designed as an open hole, during the use of the device, the limiting rod 5 is screwed to make the bottom of the limiting rod 5 contact the box body 1 for fixing, a drain port 6 is provided on one side of the box body 1, a first partition plate 7 is fixed on the inner side of the box body 1, a first conduit 8 is fixed on one side of the first partition plate 7, and a first conduit 8 is fixed on the inner side of the box body 1. A second baffle 9, a second conduit 10 is fixed on one side of the second baffle 9, the first conduit 8 is arranged below the first baffle 7, and the second conduit 10 is arranged above the second baffle 9. Through the coordinated use of the first baffle 7, the first conduit 8, the second baffle 9 and the second conduit 10, during the use of the device, the first conduit 8 is arranged below to screen and retain the floccules floating above in the sewage injected into the device, and the second conduit 10 is arranged above to screen and retain the floccules remaining below the water level. This set of physical screening can greatly reduce the frequency of filter replacement and cleaning, reduce the use cost of the device, and effectively improve the practicality of the device;

[0022] See also Figure 1-5A slide groove 11 is provided on the inner wall of the box body 1, and a slider 12 is provided inside the slide groove 11. A coarse filter 13 is fixed to one end of the slider 12. The coarse filter 13 forms a sliding structure with the box body 1 through the slider 12. The slider 12 is symmetrically arranged with the central axis of the coarse filter 13. During the use of the device, the coarse filter 13 can be directly slid upward and pulled out for disassembly by opening the cover plate 2. A fine filter 14 is provided on one side of the coarse filter 13, and an activated carbon adsorption plate 15 is provided on one side of the fine filter 14. A retaining frame 16 is provided on the outer side of the coarse filter 13, and a connecting rod 17 is fixed to one side of the retaining frame 16. A bottom bracket 18 is fixed below the retaining frame 16. A partition sealing strip 19 is fixed to the inner bottom end of the box body 1, and a partition sealing strip 19 is placed on the partition sealing strip 19. The groove 20 is arranged corresponding to the bottom bracket 18, and the bottom bracket 18 is designed in a trapezoidal structure. During the use of the device, the positions of the coarse filter 13, the fine filter 14 and the activated carbon adsorption plate 15 are maintained by the retaining frame 16, and the three parts can be disassembled, cleaned and replaced as a whole for convenience. The three parts connected to the left and right of the connecting rod 17 can be disassembled as a whole by directly lifting the connecting rod 17, which reduces the labor intensity when replacing accessories and cleaning the coarse filter 13 and the fine filter 14. A placement groove 20 is opened above the partition sealing strip 19, and the partition sealing strip 19 is adhesively connected to the box body 1. The partition sealing strip 19 is composed of rubber. The setting of the partition sealing strip 19 prevents the edge of the coarse filter 13 from contacting the box body 1. There is a gap between the unfiltered sewage and the flow through.

[0023] Working principle: When using the sewage treatment circulating filtration device, first install the device to the designated position, connect the water inlet 3 and the drain outlet 6, and then inject the sewage to be treated. The sewage flows into the box body 1, and is arranged at the bottom through the first conduit 8 to screen and retain the flocculants floating on the top of the sewage injected into the device. The second conduit 10 is arranged at the top to screen and retain the flocculants remaining below the water level. This set of physical screening can greatly reduce the frequency of filter replacement and cleaning, and reduce the use cost of the device. At this time, the sewage is filtered three times in a progressive manner by the coarse filter 13, the fine filter 14 and the activated carbon adsorption plate 15, and the use process of the sewage treatment circulating filtration device is completed.

[0024] 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 sewage treatment circulating filtration device, comprising a housing (1), characterized in that: A cover plate (2) is installed above the box body (1), a water inlet (3) is fixed above the cover plate (2), a limit block (4) is fixed on one side of the cover plate (2), a limit rod (5) is passed through one side of the limit block (4), a drain outlet (6) is provided on one side of the box body (1), a first partition plate (7) is fixed on the inner side of the box body (1), a first conduit (8) is fixed on one side of the first partition plate (7), a second partition plate (9) is fixed on the inner side of the box body (1), a second conduit (10) is fixed on one side of the second partition plate (9), and a slide groove (11) is provided on the inner wall of the box body (1). The slide groove (11) is sleeved with a slider (12) inside, a coarse filter (13) is fixed to one end of the slider (12), a fine filter (14) is arranged on one side of the coarse filter (13), an activated carbon adsorption plate (15) is arranged on one side of the fine filter (14), a retaining frame (16) is sleeved on the outside of the coarse filter (13), a connecting rod (17) is fixed to one side of the retaining frame (16), a bottom bracket (18) is fixed below the retaining frame (16), a partition sealing strip (19) is fixed to the inner bottom end of the box body (1), and a placement groove (20) is provided above the partition sealing strip (19).

2. A sewage treatment circulating filtration device according to claim 1, characterized in that: The limit block (4) is threadedly connected to the box body (1) via a limit rod (5), and one side of the limit block (4) is designed to be open-hole-shaped.

3. A sewage treatment circulating filtration device according to claim 1, characterized in that: The first conduit (8) is arranged below the first partition plate (7), and the second conduit (10) is arranged above the second partition plate (9).

4. A sewage treatment circulating filtration device according to claim 1, characterized in that: The coarse filter (13) forms a sliding structure with the box body (1) via a slider (12), and the slider (12) is symmetrically arranged with respect to the central axis of the coarse filter (13).

5. A sewage treatment circulating filtration device according to claim 1, characterized in that: The placement groove (20) on the partition sealing strip (19) is arranged corresponding to the base (18), and the base (18) is designed in a trapezoidal structure.

6. A sewage treatment circulating filtration device according to claim 1, characterized in that: The partition sealing strip (19) is bonded to the box body (1), and the partition sealing strip (19) is made of rubber.

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