CN219376270U - Sewage filter with double filtration - Google Patents

Abstract

The utility model provides a sewage filter with double filtration, which comprises a filter tank, a water inlet pipe arranged at the upper end of the filter tank, a water outlet pipe arranged at the side edge of the lower end of the filter tank, a drain pipe arranged at the bottom of the filter tank and a filter device arranged in the filter tank, wherein the filter device comprises a U-shaped filter inner container and a filter screen plate horizontally arranged in the U-shaped filter inner container, a first filter cavity and a second filter cavity are formed in the filter inner container through the filter screen plate, one side of the first filter cavity is provided with a switching pipe connected with the water inlet pipe, the bottom of the filter inner container is provided with a drain hole, the drain hole is arranged in the drain pipe, and the upper end of the filter inner container is tightly pressed and sealed through a tank cover of the filter tank. Can carry out targeted dual filtration to floater and tiny particle, and need not to shut down and wash the filter screen of floater, the filter effect is good, is difficult for blockking up, and filtration time is long, washs conveniently, and the dismouting is simple and convenient.

Description

Sewage filter with double filtration

Technical Field

The utility model relates to the technical field of sewage filtration and environmental protection, in particular to a sewage filter with double filtration.

Background

The filter is a device for directly filtering impurities in water by utilizing a filter screen or a filter liner, and can remove suspended matters, particulate matters and other impurities in the water through the filter screen, so that turbidity is reduced, water quality is purified, and other devices of the system are protected to work normally. The existing filter generally discharges sewage into the filter directly, and then is discharged from a water outlet after being filtered by a filtering device, after the filter is used for a period of time, the filtering speed and the filtering efficiency of the filter screen or the filtering liner are obviously reduced due to a large amount of impurities accumulated on the filter screen or the filtering liner, so that the filtering efficiency of the filter is affected, and particularly when the floaters are more, the filter screen is easily blocked in a large area, so that the filter screen needs to be frequently replaced or cleaned. The existing filter screen or filter inner container is required to be shut down and replaced when the inner container is detached and cleaned every time, normal work is affected, and especially when the filter inner container is adopted for filtering, the fixing and the detaching of the filter inner container are troublesome, the filter inner container is fixed and detached, a structure is formed with the filter directly, although the installation stability is improved, the inner container is more troublesome to detach, when the inner container is required to be cleaned, a drain outlet is required to be formed in the inner container independently, the structure is more complicated, water entering the filter is filtered, but impurities such as part of silt enter the filter outside the filter after the filter screen is filtered, so that the cleanliness of the filter is affected in the long-term use process, and the filter is more troublesome when the filter is cleaned.

Disclosure of Invention

In order to solve certain or some technical problems in the prior art, the utility model provides the sewage filter with double filtration, which can carry out targeted double filtration on floaters and tiny particles, does not need to stop for cleaning a filter screen of the floaters, has good filtration effect, is not easy to block, has long filtration time, is convenient to clean and is convenient to disassemble and assemble.

In order to solve the prior art problems, the utility model adopts the following scheme:

the utility model provides a sewage filter with dual filtration, includes the filtration jar, establishes the inlet tube of filtration jar upper end, establishes the outlet pipe of filtration jar lower extreme side, establish the blow off pipe of filtration jar bottom, establish filter equipment inside the filtration jar, filter equipment includes the filtration inner bag of U type, level setting in the U type filter the filter screen plate in the filtration inner bag, the inside of filtration inner bag passes through the filter screen plate forms first filtration cavity and second filtration cavity, one side of first filtration cavity be equipped with advance water piping connection's adapter tube, the bottom of filtration inner bag is equipped with the blowdown hole, the blowdown hole is established in the blow off pipe, the upper end of filtration inner bag passes through the cover of filtration jar compresses tightly sealedly, and sewage passes through the inlet tube directly gets into in the first filtration cavity, through filter screen plate to float thing and large granule impurity after filtering again flow in the second filtration cavity carries out secondary filtration, the sewage after the secondary filtration passes through the lateral wall of second filtration cavity outwards flows out to filter the filter tank outside and the filter tank between the filter tank outside the drain.

Optionally, the adapter tube with the link outside of inlet tube all is equipped with the connecting thread, the adapter tube is gone up soon and is connected the adapter tube, be equipped with on the inlet tube and end the position ring, the adapter tube with pass through between the inlet tube connect fixedly, the adapter tube to rotatory degree of depth is passed through on the inlet tube end the position ring is spacing.

Optionally, the bottom of filtering the inner bag is equipped with conical silt and accomodates the chamber, silt accomodates the chamber with the lateral wall of first filter cavity is enclosed construction, be equipped with the filtration pore on the lateral wall of second filter cavity, the blowdown hole is established the silt is accomodate the bottom of chamber.

Optionally, a plurality of supporting blocks protruding inwards are arranged on the inner wall of the first filter cavity in a ring mode, and the filter screen plate is supported and fixed through the supporting blocks.

Optionally, the up end of filter screen plate is equipped with the pull ring, the bottom ring of filter screen plate is equipped with 2 ~ 4 rubber buckles, be equipped with on the supporting shoe and be used for the joint the draw-in groove of rubber buckle.

Optionally, the inboard of blow off pipe is equipped with the V type guiding mouth of undercut the bottom of V type guiding mouth is equipped with the counter bore, the outer end of blowoff hole is equipped with outwards bellied joint section, the blowoff hole passes through the joint section and inserts in the counter bore.

Compared with the prior art, the utility model has the beneficial effects that:

1. the sewage enters the first cavity and is subjected to targeted filtration of floaters and large-particle impurities through the filter screen plate, and then is subjected to targeted filtration of fine particles through the second cavity, so that the sewage is cleaner when discharged outwards from the water outlet pipe, and faults caused by too poor water quality of other equipment are avoided when the water is used;

2. after the filter screen plate is used for filtering, the problem of rapid blockage of the filter liner can be avoided, and when large particles and floaters are cleaned, the filter screen plate can be rapidly cleaned only by taking out the filter screen plate from the filter liner, and when the filter screen plate is taken out for cleaning, the filter screen plate is not required to be stopped for cleaning, so that the stop evaluation rate is smaller, and the working efficiency is higher;

3. when the filtering inner container is cleaned, the filtering inner container is not required to be disassembled, and the filtered matters in the filtering inner container can be cleaned and directly discharged through sewage only by opening the control valve of the sewage discharge pipe, and when the filtering tank is required to be cleaned, the filtering inner container can be disassembled for directly cleaning the inside and discharging the sewage outwards through the sewage discharge pipe at the bottom, so that the cleaning of the inside of the filtering tank and the cleaning of the filtering device are simpler and more convenient;

4. through the combination of filtering inner bag and filter screen board, can solve current filter and can't carry out independent filterable problem to floater and large granule thing, can solve filter equipment again and need often shut down the problem of wasing the worry ware, realized carrying out the targeted dual filtration to floater and tiny particle, and need not to shut down the filter screen of floater and shut down and wash, the filter effect is good, difficult jam, and filter time is long, washs conveniently, and the dismouting is simple and convenient.

Drawings

FIG. 1 is an overall cross-sectional view of the present utility model;

FIG. 2 is an enlarged view of part of A in the present utility model;

FIG. 3 is an enlarged view of part of B in the present utility model;

FIG. 4 is an enlarged view of part of C in the present utility model;

in the figure: 1. a blow-down pipe; 2. a filter tank; 3. a filtering device; 4. a water inlet pipe; 5. a transfer tube; 6. a can lid; 7. a pull ring; 8. a first filter cavity; 9. a filter screen plate; 10. a filtering inner container; 11. a second filter cavity; 12. a filter hole; 13. a water outlet pipe; 14. a sludge receiving cavity; 15. a blow-down hole; 16. a stop ring; 17. a connection sleeve; 18. a connecting thread; 19. a support block; 20. rubber buckles; 21. a clamping groove; 22. countersink; 23. a V-shaped guide opening; 24. and (5) clamping the section.

Detailed Description

The present application will be further described with reference to the drawings and detailed description, which should be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

In the description of the present application, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

The terms "first," "second," and the like in this application are used for distinguishing between similar objects and not for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

As shown in fig. 1, a sewage filter with double filtration, including filter tank 2, establish inlet tube 4 of filter tank 2 upper end, establish outlet pipe 13 of filter tank 2 lower extreme side, establish filter tank 2 bottom drain 1, establish filter device 3 inside filter tank 2, filter device 3 includes the filtration inner bag 10 of U type, the level setting is in the filter screen 9 in the filtration inner bag 10 of U type, the inside of filtration inner bag 10 passes through filter screen 9 forms first filtration cavity 8 and second filtration cavity 11, one side of first filtration cavity 8 be equipped with inlet tube 4 connected transfer pipe 5, the bottom of filtration inner bag 10 is equipped with drain hole 15, drain hole 15 is established in drain pipe 1, the upper end of filtration inner bag 10 is passed through filter tank 2's cover 6 compresses tightly sealedly, and sewage passes through filter inlet tube 4 directly gets into in the first filtration cavity 8, through filter screen 9 to the floater and big granule and filter the back and carry out filtration cavity 11 again and filter the impurity in the filter tank is carried out to the filter tank 2 outside through the filter cavity after the filter screen 11 the filter tank is discharged outside to the filter cavity.

After sewage flows into the filter tank 2 through the water inlet pipe 4, sewage directly flows into the first cavity of the filter inner container 10 through the transfer pipe 5, sewage in the first cavity flows into the second cavity after being filtered by the filter screen 9 for floaters and large-particle impurities, and the sewage in the second cavity flows into a space formed between the filter inner container 10 and the filter tank 2 after being filtered by the filter inner container 10 for the second time, so that the sewage flowing outwards through the water outlet pipe 13 can be cleaner after being filtered for the second time, and the sewage firstly enters the first cavity to be filtered by the filter screen 9 for floaters and large-particle impurities, so that the problem of quick blockage can not occur in the second cavity during filtering. Meanwhile, when large particles and floaters are cleaned, the tank cover 6 is only required to be opened, the filter screen plate 9 is taken out from the filter inner container 10 to be cleaned rapidly, when the filter screen plate 9 is taken out to be cleaned, water can be fed normally to be filtered, shutdown cleaning is not required every time, the upper end of the filter inner container 10 is tightly pressed and sealed through the tank cover 6 of the filter tank 2, sewage can be prevented from directly flowing out from the upper end of the filter inner container 10, and the cleanliness of water discharged by a drain pipe is guaranteed.

Meanwhile, when the filtering inner container 10 needs to be cleaned, as the drain hole 15 is connected with the drain pipe 1, the filter material in the filtering inner container 10 can be cleaned and directly discharged through sewage only by opening the control valve of the drain pipe 1, and the filtering inner container 10 does not need to be disassembled for cleaning, and when the filtering tank 2 needs to be cleaned, the filtering inner container 10 can be disassembled for cleaning, and sewage can be directly cleaned inside and discharged through the drain pipe 1 at the bottom, so that the cleaning of the filtering tank 2 and the cleaning of the filtering device 3 are simpler and more convenient, the problem that the existing filter cannot independently filter floating materials and large particles can be solved, the problem that the filtering device 3 needs to frequently shut down for cleaning the filter material can be solved, the targeted double filtering of the floating materials and the tiny particles is realized, the filter screen of the floating materials does not need to be shut down for cleaning, the filtering effect is good, the blocking is difficult, the filtering time is long, the cleaning is convenient, and the disassembly is convenient.

Further, as shown in fig. 2, the connecting threads 18 are disposed on the outer sides of the connecting ends of the adapting tube 5 and the water inlet tube 4, a connecting sleeve 17 is screwed on the adapting tube 5, a stop ring 16 is disposed on the water inlet tube 4, the adapting tube 5 and the water inlet tube 4 are fixedly connected through the connecting sleeve 17, and the rotating depth of the connecting sleeve 17 to the water inlet tube 4 is limited by the stop ring 16.

The inlet tube 4 is not directly connected to the lateral wall of filtering inner bag 10, but carries out the switching through adapter tube 5, and adapter tube 5 and the link of inlet tube 4 carry out threaded connection through adapter tube 17, can guarantee to realize intercommunication between adapter tube 5 and the inlet tube 4 through adapter tube 17 rotatory back, can dismantle the separation again, when need dismantle filtering inner bag 10, only need with adapter tube 17 rotatory back to adapter tube 5 direction with the link separation of inlet tube 4, just can take out it, it is more convenient to filter inner bag 10's dismouting, connect the back through adapter tube 17 moreover, can also fix spacing to be located filtering inner bag 10 in filtering jar 2, avoid appearing rocking, but control adapter tube 17 rotatory degree of depth through stopping ring 16, avoid adapter tube 17 because of rotatory too big and lead to the problem of leakproofness variation, the inconvenient problem of current inner bag dismouting has effectively been solved.

In a further improvement, as shown in fig. 1, a conical sludge storage cavity 14 is arranged at the bottom of the filtering liner 10, the sludge storage cavity 14 and the side wall of the first filtering cavity 8 are of a closed structure, a filtering hole 12 is arranged on the side wall of the second filtering cavity 11, and a sewage draining hole 15 is arranged at the bottom of the sludge storage cavity 14.

The lateral wall of first filtration cavity 8 is the seal structure of entity, can avoid not having filterable sewage direct outward outflow from the lateral wall, and the conical silt of bottom accomodates the cavity 14 lateral wall and also adopts the seal structure of entity, then can make the impurity after filtering through second filtration cavity 11 deposit the bottom of worrying the inner bag, thereby accomodate the cavity 14 through the silt and collect in unifying, get into the silt in accomodating cavity 14 impurity such as silt and also can not be discharged into the space between filtration jar 2 and the filtration inner bag 10 again, can make filtration jar 2 with water between the filtration inner bag 10 is cleaner, simultaneously, silt accomodates cavity 14 and adopts conical structure, and drain hole 15 establishes in the bottom of silt accomodate cavity 14, can enough impurity such as silt need wash when discharging more convenient, also can make drain hole 15 be located the central point of whole filtration inner bag 10, it is more convenient to fix a position when the installation.

As shown in fig. 3, a plurality of supporting blocks 19 protruding inwards are annularly arranged on the inner wall of the first filter cavity 8, and the filter screen plate 9 is supported and fixed through the supporting blocks 19; the upper end face of the filter screen plate 9 is provided with a pull ring 7, 2-4 rubber buckles 20 are annularly arranged at the bottom of the filter screen plate 9, and the supporting block 19 is provided with a clamping groove 21 for clamping the rubber buckles 20.

The filter screen plate 9 is supported and fixed through the supporting block 19, when the filter screen plate 9 is installed, only the filter screen plate 9 is required to be directly placed into the filter liner 10, horizontal supporting and positioning can be carried out through the supporting block 19 horizontally, the support is more convenient, when the filter screen plate 9 needs to be taken out and cleaned, the filter screen plate 9 can be taken out through the pull ring 7, meanwhile, 2-4 rubber buckles 20 are installed on the bottom ring of the filter screen plate 9 in order to avoid the floating phenomenon of the filter screen plate 9 in water, meanwhile, a clamping groove 21 for clamping the rubber buckles 20 is formed in the supporting block 19, and after the rubber buckles 20 are pressed into the clamping groove 21, mutual interlocking can be carried out, so that the floating problem is avoided.

Further, as shown in fig. 4, the inner side of the drain pipe 1 is provided with a V-shaped guiding opening 23 which is concave downward, the bottom of the V-shaped guiding opening 23 is provided with a counter bore 22, the outer end of the drain hole 15 is provided with a clamping section 24 which is convex outwards, and the drain hole 15 is inserted into the counter bore 22 through the clamping section 24.

When the drain hole 15 is connected with the drain pipe 1, the inner side of the drain pipe 1 is downwards sunken to form a V-shaped guide opening 23, and the bottom of the guide opening is formed with a counter bore 22 again, so that when the drain pipe 1 is inserted into the outer end protrusion clamping section 24 of the drain hole 15, the insertion is simpler and more convenient, and the stability after the insertion is better.

The above embodiments are only preferred embodiments of the present application, and the scope of the present application is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present application are intended to be within the scope of the present application.

Claims (6)

1. The utility model provides a sewage filter with dual filtration, includes filtration jar (2), cover (6), establishes inlet tube (4) of filtration jar (2) upper end, establish outlet pipe (13) of filtration jar (2) lower extreme side, establish blow off pipe (1) of filtration jar (2) bottom, establish filter equipment (3) of filtration jar (2) inside, its characterized in that: the filter device comprises a filter inner container (10) of a U type, a filter screen (9) in the filter inner container (10) is horizontally arranged in the U type, the filter inner container (10) is internally provided with a first filter cavity (8) and a second filter cavity (11) through the filter screen (9), one side of the first filter cavity (8) is provided with a switching pipe (5) connected with the water inlet pipe (4), the bottom of the filter inner container (10) is provided with a drain hole (15), the drain hole (15) is arranged in the drain pipe (1), the upper end of the filter inner container (10) is tightly sealed through a tank cover (6) of the filter tank (2), sewage directly enters the first filter cavity (8) through the filter screen (9) for filtering floating matters and large-particle impurities, and then flows into the second filter cavity (11) for secondary filtration, and the sewage after secondary filtration flows out of the filter cavity (11) through the second filter cavity and then flows out of the filter inner container (2) through the filter inner container (10).

2. A sewage filter with double filtration according to claim 1, wherein: the water inlet pipe is characterized in that connecting threads (18) are arranged on the outer side of the connecting end of the water inlet pipe (4), a connecting sleeve (17) is screwed on the connecting pipe (5), a stop ring (16) is arranged on the water inlet pipe (4), the connecting pipe (5) and the water inlet pipe (4) are fixedly connected through the connecting sleeve (17), and the depth of rotation of the connecting sleeve (17) to the water inlet pipe (4) is limited through the stop ring (16).

3. A sewage filter with double filtration according to claim 1, wherein: the bottom of filtering inner bag (10) is equipped with conical silt and accomodates chamber (14), silt accomodates chamber (14) with the lateral wall of first filter cavity (8) is enclosed construction, be equipped with filtration pore (12) on the lateral wall of second filter cavity (11), blowdown hole (15) are established the bottom of chamber (14) is accomodate to silt.

4. A sewage filter with double filtration according to claim 3, wherein: the inner wall of the first filtering cavity (8) is provided with a plurality of supporting blocks (19) protruding inwards in a ring mode, and the filtering screen plate (9) is supported and fixed through the supporting blocks (19).

5. A sewage filter with double filtration according to claim 4, wherein: the filter screen plate (9) is characterized in that a pull ring (7) is arranged on the upper end face of the filter screen plate (9), 2-4 rubber buckles (20) are annularly arranged at the bottom of the filter screen plate (9), and clamping grooves (21) used for being clamped with the rubber buckles (20) are formed in the supporting blocks (19).

6. A sewage filter with double filtration according to claim 1, wherein: the inside of blow off pipe (1) is equipped with undercut V type direction mouth (23) the bottom of V type direction mouth (23) is equipped with counter bore (22), the outer end of blowoff hole (15) is equipped with outside bellied joint section (24), blowoff hole (15) pass through joint section (24) and insert in counter bore (22).