CN210974130U - Sewage filter - Google Patents

Abstract

The utility model relates to a sewage filter, which comprises a box body, a box cover, a driving device arranged at the top of the box cover and a rotary cleaning device which is arranged inside the box body and is matched with the driving device, wherein an upper baffle and a lower baffle are fixedly arranged in the box body along the upper direction and the lower direction; the device solves the problems that the existing papermaking sewage treatment device can not completely remove impurities in papermaking sewage, the filtering process is complicated, and the filter screen is difficult to clean.

Description

Sewage filter

Technical Field

The utility model relates to a papermaking sewage treatment technology, concretely relates to sewage filter.

Background

The paper making industry is the first of five high water consumption industries in China, the ton paper water consumption of domestic paper mills is as high as more than 100 cubic meters and is almost 10 times of the average level in the world, and the phenomena of water source pollution, environmental pollution and water resource waste caused by the paper making industry in China are very serious. At present, partial manufacturers in the papermaking industry of China effectively achieve the sewage treatment effect by building sewage treatment projects, but the cost of the sewage treatment projects is very high, and common manufacturers cannot build the sewage treatment projects or maintain the continuation of the sewage treatment projects, so that many manufacturers still select a mode of directly discharging sewage, the papermaking sewage cannot be effectively treated, and the water pollution and the environmental pollution are serious.

The pollutants contained in the papermaking sewage are mainly short fibers, micro fibers, sludge, impurities and the like, and the direct discharge of the papermaking sewage can cause the waste of water resources. The existing papermaking sewage treatment device is very tedious in the filtering treatment process, and is difficult to clean the filter screen when in use, so that the filtering of sewage becomes slow, the filter screen needs to be frequently replaced and maintained, certain trouble is brought to the work of maintenance personnel, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sewage filter to solve current papermaking sewage treatment plant and can not get rid of impurity in the sewage completely, filtering process is loaded down with trivial details, is difficult to the problem of clearance filter screen.

In order to realize the above purpose, the utility model discloses a technical scheme be: the utility model provides a sewage filter, the power distribution box comprises a box body, the case lid, the drive arrangement who sets up at the case lid top and set up at the box inside and with drive arrangement complex rotatory cleaning device, along upper and lower direction fixed baffle and lower baffle of being provided with in the box, the upper surface of going up the baffle is vertical to be provided with and is strained a section of thick bamboo, the up end of straining a section of thick bamboo on is provided with strains a section of thick bamboo shrouding, the lower surface of going up the baffle is provided with strains a section of thick bamboo under being connected with lower baffle, it is equipped with the through-hole to lie in on the baffle to strain a section of thick bamboo and strain down on, be provided with filtration membrane in the through-hole, rotatory cleaning device's upper end is connected with drive arrangement, the lower extreme passes and.

Further, rotatory cleaning device is including connecting the pivot at drive arrangement lower extreme, pivot and the bearing plug bush cooperation that sets up on last baffle, and the lower extreme and the lower baffle normal running fit of pivot, strain the top of a section of thick bamboo shrouding and be provided with the fixed "U" type of cup jointing of pivot and scrape the brush dead lever, the outside of straining a section of thick bamboo on is provided with and scrapes the outer wiper that the brush dead lever linked firmly, the inboard of straining a section of thick bamboo down is provided with the interior wiper that links firmly with the pivot.

Furthermore, a differential pressure sensor is respectively arranged on the water inlet and the water outlet.

Furthermore, a first drain valve is arranged on the upper partition plate and positioned on the outer side of the upper filter cylinder, and second drain valves are arranged on the lower partition plate and positioned on the inner side and the outer side of the lower filter cylinder.

Furthermore, the bottom of the box body is connected with a sewage discharge pipe, and the end part of the sewage discharge pipe is connected with a sewage discharge pump.

Further, the driving device is a speed reducing motor.

The utility model has the advantages that:

1. papermaking sewage is strained the filtration of a section of thick bamboo, filtration membrane and lower section of thick bamboo in proper order, adsorption, and the effectual impurity of getting rid of in the sewage is convenient for hydrologic cycle and is used, is favorable to the environmental protection.

2. The filter cartridge is automatically cleaned by rotating the cleaning device, so that the cleanliness of the filter cartridge is ensured, the service time of the filter cartridge is prolonged, the replacement and maintenance times of the filter cartridge are reduced, and the cost is reduced.

3. The design of first blowoff valve and second blowoff valve will strain the direct bottom half of discharging of filth that brushes off on the section of thick bamboo, can prevent that the filth that washs from adhering to once more on straining a section of thick bamboo, influencing the cleaning performance, the filth is discharged from the blow off pipe.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the rotary cleaning device.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

The text labels shown in the figures are represented as: 1. a box body; 2. an upper filter cartridge; 3. an upper partition plate; 4. a lower filter cartridge; 5. a water outlet; 6. a lower partition plate; 7. a rotating shaft; 8. a sewage pump; 9. a blow-off pipe; 10. a second blowoff valve; 11. a water inlet; 12. a differential pressure sensor; 13. a box cover; 14. a drive device; 15. a bearing; 16. a filter cartridge closing plate; 17. scraping and brushing the fixed rod; 18. an outer wiper; 19. a first waste valve; 20. an inner wiper; 21. a filtration membrane; 22. and a through hole.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

As shown in fig. 1-3, the structure of the present invention is: a sewage filter comprises a box body 1, a box cover 13, a driving device 14 arranged at the top of the box cover 13 and a rotary cleaning device which is arranged in the box body 1 and matched with the driving device 14, wherein an upper partition plate 3 and a lower partition plate 6 are fixedly arranged in the box body 1 along the vertical direction, an upper filter cartridge 2 is vertically arranged on the upper surface of the upper partition plate 3, a filter cartridge closing plate 16 is arranged on the upper end surface of the upper filter cartridge 2, a lower filter cartridge 4 connected with the lower partition plate 6 is arranged on the lower surface of the upper partition plate 3, a through hole 22 is arranged on the upper partition plate 3 and positioned between the upper filter cartridge 2 and the lower filter cartridge 4, a filter membrane 21 is arranged in the through hole 22, the upper end of the rotary cleaning device is connected with the driving device 14, the lower end of the rotary cleaning device penetrates through the filter cartridge closing plate 16 and is connected with the lower partition plate 6, a water inlet 11 is arranged above the upper partition plate 3, and a, papermaking sewage flows in from water inlet 11, by the inside inflow in 2 outsides of straining a section of thick bamboo on last, liquid after once filtering flows in filtration membrane 21 on the baffle 3 and filters, then liquid after the secondary filter is strained 4 inside outsides of straining a section of thick bamboo from down and is filtered, liquid after the cubic is filtered flows out from delivery port 5, on, down strain a section of thick bamboo when blockking up and reach the control set value, drive arrangement 14 begins to start, the rotatory cleaning device of drive begins to work, it clears up to strain a section of thick bamboo 2 and a section of thick bamboo 4 down on will straining automatically, papermaking sewage is strained a section of thick bamboo on passing through in proper order, filtration membrane and the filtration of straining a section of thick bamboo down, the adsorption, the effectual impurity that has got rid of.

Preferably, the rotary cleaning device comprises a rotating shaft 7 connected to the lower end of a driving device 14, the rotating shaft 7 is matched with a bearing 15 inserted sleeve arranged on the upper partition plate 3, the lower end of the rotating shaft 7 is matched with the lower partition plate 6 in a rotating manner, a U-shaped scraping brush fixing rod 17 fixedly sleeved with the rotating shaft 7 is arranged above the filter cartridge sealing plate 16, an outer scraping brush 18 fixedly connected with the scraping brush fixing rod 17 is arranged on the outer side of the upper filter cartridge 2, an inner scraping brush 20 fixedly connected with the rotating shaft 7 is arranged on the inner side of the lower filter cartridge 4, the filter cartridge is automatically cleaned through the rotary cleaning device, the cleanliness of the filter cartridge is guaranteed, the service life of the filter cartridge is prolonged, the replacement and maintenance frequency of the filter cartridge is reduced, and therefore the.

Preferably, the water inlet 11 and the water outlet 5 are respectively provided with a differential pressure sensor 12, and the differential pressure sensors are used for measuring the difference between two pressures measured by the water inlet and the water outlet and are used for system fault alarm.

Preferably, a first blowoff valve 19 is arranged on the upper partition plate 3 and positioned on the outer side of the upper filter cylinder 2, a second blowoff valve 10 is arranged on the lower partition plate 6 and positioned on the inner side and the outer side of the lower filter cylinder 4, and the first blowoff valve and the second blowoff valve are designed to discharge dirt brushed off from the filter cylinders into the bottom of the box body.

Preferably, the bottom of the box body 1 is connected with a sewage discharge pipe 9, the end part of the sewage discharge pipe 9 is connected with a sewage discharge pump 8, and filtering impurities in the box body are discharged through the sewage discharge pipe 9.

Preferably, the driving device 14 is a speed reduction motor.

When the device is used specifically, in an initial state, the water inlet 11 and the water outlet 5 are opened, the first blow-down valve 19 and the second blow-down valve 10 are closed, papermaking sewage flows in from the water inlet 11 and flows in from the outer side of the upper filter cylinder 2, liquid after primary filtration flows in the filter membrane 21 on the upper partition plate 3, liquid after secondary filtration flows out from the inner side of the lower filter cylinder 4, liquid after tertiary filtration flows out from the water outlet 5, the pressure difference of the liquid in the water inlet 11 and the water outlet 5 is automatically detected through the pressure difference sensor 12, when the pressure difference between the inlet pressure and the outlet pressure is a certain value, the filter material cannot work continuously, the filter cylinder needs to be cleaned, then the driving device 14 starts to drive the rotary cleaning device to work, the first blow-down valve 19 and the second blow-down valve 10 are automatically opened under the control of the electromagnetic valve, impurities accumulated on the outer surface of the upper filter cylinder 2, meanwhile, the inner scraper brush 20 brushes away impurities on the inner wall of the lower filter cylinder 4, the brushed impurities are washed by water and flow to the bottom of the box body 1 from the first blow-down valve 19 and the second blow-down valve 10, and then the blow-down pump 8 works to automatically discharge sewage from the blow-down pipe 9.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principle and the implementation of the present invention have been explained by using specific examples, the description of the above examples is only used to help understand the method and the core idea of the present invention, the above description is only the preferred implementation of the present invention, it should be pointed out that there is an infinite specific structure objectively due to the limited character expression, and for those skilled in the art, without departing from the principle of the present invention, several improvements, decorations or changes can be made, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims (6)

1. The utility model provides a sewage filter, includes box (1), case lid (13), sets up drive arrangement (14) at case lid (13) top and sets up in box (1) inside and with drive arrangement (14) complex rotatory cleaning device, its characterized in that: an upper clapboard (3) and a lower clapboard (6) are fixedly arranged in the box body (1) along the up-down direction, an upper filter cylinder (2) is vertically arranged on the upper surface of the upper clapboard (3), a filter cylinder closing plate (16) is arranged on the upper end surface of the upper filter cylinder (2), the lower surface of the upper clapboard (3) is provided with a lower filter cylinder (4) connected with a lower clapboard (6), a through hole (22) is arranged between the upper filter cylinder (2) and the lower filter cylinder (4) on the upper clapboard (3), a filtering membrane (21) is arranged in the through hole (22), the upper end of the rotary cleaning device is connected with the driving device (14), the lower end of the rotary cleaning device penetrates through the filtering cylinder closing plate (16) and is connected with the lower clapboard (6), a water inlet (11) is arranged on the upper side of the box body (1) and above the upper clapboard (3), and a water outlet (5) is arranged between the upper partition plate (3) and the lower partition plate (6) at the lower side of the box body (1).

2. The sewage filter of claim 1, wherein: the rotary cleaning device comprises a rotating shaft (7) connected to the lower end of a driving device (14), the rotating shaft (7) is matched with a bearing (15) arranged on an upper partition plate (3) in an inserting and sleeving mode, the lower end of the rotating shaft (7) is matched with a lower partition plate (6) in a rotating mode, a U-shaped scraping brush fixing rod (17) fixedly sleeved with the rotating shaft (7) is arranged above a filtering cylinder sealing plate (16), an outer scraping plate brush (18) fixedly connected with the scraping brush fixing rod (17) is arranged on the outer side of an upper filtering cylinder (2), and an inner scraping plate brush (20) fixedly connected with the rotating shaft (7) is arranged on the inner side of a lower filtering cylinder (4).

3. The sewage filter of claim 1, wherein: and the water inlet (11) and the water outlet (5) are respectively provided with a differential pressure sensor (12).

4. The sewage filter of claim 1, wherein: a first drain valve (19) is arranged on the upper partition plate (3) and positioned on the outer side of the upper filter cylinder (2), and second drain valves (10) are arranged on the lower partition plate (6) and positioned on the inner side and the outer side of the lower filter cylinder (4).

5. The sewage filter of claim 4, wherein: the bottom of the box body (1) is connected with a sewage discharge pipe (9), and the end part of the sewage discharge pipe (9) is connected with a sewage discharge pump (8).

6. The sewage filter of claim 1, wherein: the driving device (14) is a speed reducing motor.

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