CN216366894U - Backwashing filter for sewage treatment - Google Patents
Backwashing filter for sewage treatment Download PDFInfo
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- CN216366894U CN216366894U CN202220565511.8U CN202220565511U CN216366894U CN 216366894 U CN216366894 U CN 216366894U CN 202220565511 U CN202220565511 U CN 202220565511U CN 216366894 U CN216366894 U CN 216366894U
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Abstract
The utility model provides a sewage treatment backwashing filter which comprises an outer framework and a shaft rod, wherein an upper end cover is arranged at the upper end of the outer framework, a coaxial closed cylinder is arranged at the lower end of the outer framework, a sewage discharge outlet is formed in the closed cylinder, an inner filter cylinder is arranged in the outer framework, an upper limiting block is arranged at the upper end of the shaft rod, the lower end of the shaft rod sequentially penetrates through a supporting spring, the upper end cover and the inner filter cylinder in a sliding mode, a lower sealing assembly is arranged, the lower sealing assembly moves up and down along with the shaft rod and is used for opening and closing the lower end of the inner filter cylinder, an upper sealing cover is arranged on the shaft rod between the inner filter cylinder and the upper sealing cover, and the upper sealing cover moves up and down along with the shaft rod and is used for opening and closing the upper end of the inner filter cylinder. The back washing device is simple and convenient in back washing operation, and the back washing wastewater flows out from the lower end of the inner filter cylinder and is discharged through the drain outlet, so that the back washing effect is improved, the back washing frequency is reduced, and the service life of the inner filter cylinder is prolonged.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a backwashing filter for sewage treatment.
Background
With the increase of the service time of the filter, components such as a filter cylinder and the like are easy to block, so that the filtering effect is influenced and the service life of the filter screen is prolonged; when components such as a filter cartridge and the like are blocked, the components are usually replaced, and the filter needs to be taken down from a pipeline and opened during replacement, so that time and labor are wasted, and the cost is high; the filter cartridge is also backwashed, but the wastewater after the backwashing is usually discharged through the water inlet of the filter, so that the blockage is easily left in the water inlet pipeline of the filter, and the residual blockage can be brought into the filter cartridge when the subsequent filter works, thereby reducing the backwashing effect and improving the backwashing frequency.
Disclosure of Invention
The sewage treatment backwashing filter provided by the utility model has the advantages that the backwashing operation is simple and convenient, and the backwashing wastewater flows out from the lower end of the inner filter cylinder and is discharged through the sewage discharge outlet, so that the backwashing effect is improved, the backwashing frequency is reduced, and the service life of the inner filter cylinder is prolonged.
The technical scheme of the utility model is realized as follows: the utility model provides a back flush filter of sewage treatment, including exoskeleton and axostylus axostyle, the upper end of exoskeleton is provided with the upper end cover, the lower extreme is provided with the sealed section of thick bamboo of coaxial line, be provided with the drain on the sealed section of thick bamboo, it strains a section of thick bamboo in being provided with in the exoskeleton, the upper end of axostylus axostyle is provided with spacing piece, the lower extreme slides in proper order and passes supporting spring, upper end cover and interior section of thick bamboo that strains, and be provided with lower seal assembly, lower seal assembly reciprocates along with the axostylus axostyle, be used for interior opening and closing of straining a section of thick bamboo lower extreme, be provided with the sealed lid on straining the axostylus axostyle between section of thick bamboo and the sealed lid in, the sealed lid reciprocates along with the axostylus axostyle, be used for interior opening and closing of straining a section of thick bamboo upper end.
Furthermore, lower seal assembly sliding sleeve is on the axostylus axostyle, is fixed with down stopper on the axostylus axostyle of lower seal assembly lower extreme, is fixed with down well stopper on the axostylus axostyle of top, and lower well stopper sets up with lower interval between the seal assembly.
Further, lower seal assembly includes that the slip suit is on the axostylus axostyle sleeve, and telescopic upper end is provided with the lower extreme cover, and the lower extreme is provided with the lower sealing lid, and the lower extreme covers and is provided with the apopore, and the drain is located the sealed lateral wall of the section of thick bamboo below the lower sealing lid, and the distance that the lower sealing lid reciprocated is greater than the interval between drain and the lower sealing lid.
Furthermore, a connecting cylinder is arranged between the outer framework and the closed cylinder, and the inner diameter of the connecting cylinder is equal to that of the closed cylinder and is smaller than that of the outer framework.
Furthermore, the upper sealing cover is sleeved on the shaft rod in a sliding mode, an upper middle limiting block is fixed on the shaft rod at the lower end of the upper sealing cover, a blocking ring is arranged in an outer framework between the upper sealing cover and the inner filtering barrel, and the blocking ring is used for limiting the downward sliding distance of the upper sealing cover.
Furthermore, the outer framework comprises an upper framework and a lower framework, the upper framework and the lower framework are coaxially arranged, the upper sealing cover is positioned in the upper framework, the baffle ring is positioned between the upper framework and the lower framework, and the inner filter cylinder is positioned in the lower framework.
Furthermore, a positioning groove connected with the outer framework is arranged on the outer side wall of the upper end of the connecting cylinder.
Further, a sealing ring is arranged between the lower sealing cover and the sealing cylinder.
Furthermore, the upper sealing cover and the lower sealing assembly are arranged coaxially with the shaft rod, the shaft rod is arranged coaxially with the outer framework, and the outer framework and the sealing cylinder are arranged coaxially.
The utility model has the beneficial effects that:
the upper sealing cover and the lower sealing assembly are driven by the shaft lever to move up and down, so that the upper end and the lower end of the inner filter cylinder are opened and closed, when the filter works, a medium flows in through the upper end of the inner filter cylinder and flows out after being filtered by the side wall of the inner filter cylinder, the backwashing operation is simple and convenient, and when the inner filter cylinder is subjected to backwashing, backwashing wastewater flows out through the lower end of the inner filter cylinder and is discharged through the sewage discharge outlet instead of the upper end of the inner filter cylinder, so that the backwashing effect is improved, the backwashing frequency is reduced, and the service life of the inner filter cylinder is prolonged.
The upper sealing cover and the upper middle limiting block are matched, and the lower sealing assembly and the lower limiting block are matched with the lower middle limiting block, so that the upper sealing cover and the lower sealing assembly can move up and down along with the shaft rod, but the moving distance of the upper sealing cover and the lower sealing assembly can be set as required without keeping the same.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the backwash process of the present invention.
The sewage treatment device comprises a shaft rod 1, an upper end cover 2, a closed cylinder 3, a sewage draining outlet 4, an inner filter cylinder 5, an upper limiting block 6, a supporting spring 7, an upper sealing cover 8, a sleeve 9, a lower end cover 10, a lower sealing cover 11, a lower limiting block 12, a lower middle limiting block 13, a water outlet hole 14, a connecting cylinder 15, an upper middle limiting block 16, a retaining ring 17, an upper framework 18 and a lower framework 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in figure 1, the sewage treatment backwashing filter comprises an outer framework and a shaft lever 1, wherein an upper end cover 2 is fixed at the upper end of the outer framework, a closed cylinder 3 is fixed at the lower end of the outer framework, the outer framework and the closed cylinder 3 are coaxially arranged, the closed cylinder 3 is a hollow cylinder with a peripheral side wall non-grid structure, the upper end and the lower end of the closed cylinder 3 are both of an open structure, a sewage discharge outlet 4 is arranged on the closed cylinder 3, an inner filter cylinder 5 is arranged in the outer framework, an upper limit block 6 is fixed at the upper end of the shaft lever 1, the lower end of the shaft lever sequentially penetrates through a supporting spring 7, the upper end cover 2 and the inner filter cylinder 5 in a sliding manner, a lower sealing component is arranged, the lower sealing component moves up and down along with the shaft lever 1, the lower end of the inner filter cylinder 5 is opened and closed, an upper sealing cover 8 is arranged on the shaft lever 1 between the inner filter cylinder 5 and the upper end cover 2, and the upper sealing cover 8 moves up and down along with the shaft lever 1 and is used for opening and closing the upper end of the inner filter cylinder 5. Go up sealed lid 8 and lower seal assembly and axostylus axostyle 1 coaxial line setting, axostylus axostyle 1 and exoskeleton coaxial line setting.
As shown in fig. 2, when the sewage treatment backwashing filter needs to be washed, the shaft lever 1 is pressed downwards, the supporting spring 7 is compressed, the upper sealing cover 8 moves downwards along with the shaft lever 1, the upper end of the inner filter cylinder 5 is closed, the lower sealing component moves downwards along with the shaft lever 1, the lower end of the inner filter cylinder 5 is opened, then backwashing water flows into the inner filter cylinder 5 through the outer side of the inner filter cylinder 5 to perform backwashing, then backwashing water flows out through the lower end of the inner filter cylinder 5 and is discharged through the sewage discharge port 4, the upper end of the inner filter cylinder 5 is closed, and the backwashing water is prevented from flowing out from the upper end of the inner filter cylinder 5.
As shown in figure 1, after the back washing of the inner filtering cylinder 5 is finished, the shaft lever 1 is loosened, the supporting spring 7 drives the shaft lever 1 to move upwards and reset, and drives the upper sealing cover 8 and the lower sealing component to reset, the upper end of the inner filtering cylinder 5 is opened, the lower end is closed, sewage flows in through an outer framework on the upper side of the inner filtering cylinder 5, and is discharged after being filtered by the side wall of the inner filtering cylinder 5.
As shown in fig. 1 and 2, the lower sealing component comprises a sleeve 9 which is slidably sleeved on a shaft rod 1, a lower end cover 10 is fixed at the upper end of the sleeve 9, a lower sealing cover 11 is fixed at the lower end, a lower limiting block 12 is fixed on the shaft rod 1 at the lower end of the lower sealing cover 11, a lower middle limiting block 13 is fixed on the shaft rod 1 above the lower end cover 10, the lower middle limiting block 13 and the lower end cover 10 are arranged at intervals, a water outlet 14 is formed in the lower end cover 10, a sewage outlet 4 is formed in the side wall of a sealing cylinder below the lower sealing cover 11, and the up-and-down moving distance of the lower sealing cover 11 is greater than the distance between the sewage outlet 4 and the lower sealing cover 11. When the shaft lever 1 moves downwards, the lower middle limiting block 13 and the lower limiting block 12 are driven to synchronously move downwards, when the lower middle limiting block 13 moves downwards to the lower sealing assembly, the lower sealing assembly is pushed to move downwards, the lower end of the inner filter cylinder 5 is opened, meanwhile, the sewage discharge port 4 is positioned between the lower sealing cover 11 and the lower end cover 10, and backwashing water is sequentially discharged through the lower end of the inner filter cylinder 5, the water outlet 14 and the sewage discharge port 4; when the shaft lever 1 moves upwards, the lower limiting block 12 drives the lower sealing component to move upwards.
A connecting cylinder 15 is fixed between the outer framework and the sealing cylinder 3, the connecting cylinder 15, the outer framework and the sealing cylinder 3 are coaxially connected, a positioning groove connected with the outer framework is formed in the outer side wall of the upper end of the connecting cylinder 15, and the outer framework and the connecting cylinder 15 are coaxially welded and fixed to be connected through the positioning groove. The inner diameter of the connecting cylinder 15 is equal to that of the closed cylinder 3, so that the lower sealing assembly can move up and down conveniently, the sealing effect of the lower sealing cover 11 is ensured, and a sealing ring is fixed on the peripheral side wall of the lower sealing cover 11 and is used for being in sealing contact with the closed cylinder 3 and the connecting cylinder 15. The inner diameter of the connecting cylinder 15 is smaller than that of the outer framework, the connecting cylinder 15 plays a role in positioning and supporting the inner filter cylinder 5, and the phenomenon that the effect of backwashing is influenced by the fact that the inner filter cylinder 5 moves downwards due to self weight when the lower sealing assembly moves downwards is avoided.
The upper sealing cover 8 is sleeved on the shaft rod 1 in a sliding mode, an upper middle limiting block 16 is fixed on the shaft rod 1 at the lower end of the upper sealing cover 8, a retaining ring 17 is fixed in an outer framework between the upper sealing cover 8 and the inner filtering barrel 5, and the retaining ring 17 is used for limiting the downward sliding distance of the upper sealing cover 8. When the shaft lever 1 moves downwards, the upper middle limiting block 16 is driven to synchronously move downwards to be away from the upper sealing cover 8, the upper sealing cover 8 moves downwards to the upper end of the retaining ring 17 along the shaft lever 1 due to dead weight, the upper end of the inner filter cylinder 5 is closed, when the shaft lever 1 moves upwards, the upper middle limiting block 16 is driven to move upwards, and the upper middle limiting block 16 drives the upper sealing cover 8 to move upwards to reset.
The outer skeleton includes skeleton 18 and lower skeleton 19, go up skeleton 18 and the coaxial setting of skeleton 19 down, go up sealed lid 8 and be located skeleton 18, keep off ring 17 and be located between skeleton 18 and the lower skeleton 19, it links to each other with the upper end welding that keeps off ring 17 to go up skeleton 18, lower skeleton 19 links to each other with the lower extreme welding that keeps off ring 17, the internal diameter that keeps off ring 17 is less than the external diameter of sealed lid 8, the external diameter that goes up sealed lid 8 is less than the internal diameter of skeleton 18, interior filter cartridge 5 is located down skeleton 19.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a back flush filter of sewage treatment which characterized in that: including exoskeleton and axostylus axostyle, exoskeleton's upper end is provided with the upper end cover, the lower extreme is provided with the sealed section of thick bamboo of coaxial line, be provided with the drain on the sealed section of thick bamboo, strain a section of thick bamboo in being provided with in the exoskeleton, the upper end of axostylus axostyle is provided with spacing piece, the lower extreme slides in proper order and passes supporting spring, upper end cover and interior filter section of thick bamboo, and be provided with lower seal assembly, lower seal assembly reciprocates along with the axostylus axostyle, an opening and closing for interior filter section of thick bamboo lower extreme, be provided with sealed lid on the axostylus axostyle between interior filter section of thick bamboo and the last sealed lid, it reciprocates along with the axostylus axostyle to go up sealed lid, an opening and closing for interior filter section of thick bamboo upper end.
2. The sewage treatment backwash filter according to claim 1, wherein: lower seal assembly sliding sleeve is on the axostylus axostyle, is fixed with down stopper on the axostylus axostyle of lower seal assembly lower extreme, is fixed with down well stopper on the axostylus axostyle of top, and lower well stopper sets up with the interval between the lower seal assembly.
3. The sewage treatment backwash filter according to claim 1 or 2, wherein: the lower sealing assembly comprises a sleeve which is sleeved on the shaft rod in a sliding mode, a lower end cover is arranged at the upper end of the sleeve, a lower sealing cover is arranged at the lower end of the sleeve, a water outlet hole is formed in the lower end cover, the sewage outlet is located on the side wall of the closed cylinder below the lower sealing cover, and the distance between the lower sealing cover and the lower sealing cover is larger than the distance between the sewage outlet and the lower sealing cover.
4. The sewage treatment backwash filter according to claim 1, wherein: a connecting cylinder is arranged between the outer framework and the sealing cylinder, and the inner diameter of the connecting cylinder is equal to that of the sealing cylinder and is smaller than that of the outer framework.
5. The sewage treatment backwash filter according to claim 1, wherein: the upper sealing cover is sleeved on the shaft rod in a sliding mode, and an upper middle limiting block is fixed on the shaft rod at the lower end of the upper sealing cover.
6. The sewage treatment backwash filter according to claim 1 or 5, wherein: a baffle ring is arranged in the outer framework between the upper sealing cover and the inner filter cylinder and used for limiting the downward sliding distance of the upper sealing cover.
7. The sewage treatment backwash filter according to claim 6, wherein: the outer framework comprises an upper framework and a lower framework, the upper framework and the lower framework are coaxially arranged, the upper sealing cover is positioned in the upper framework, the baffle ring is positioned between the upper framework and the lower framework, and the inner filter cylinder is positioned in the lower framework.
8. The sewage treatment backwash filter according to claim 4, wherein: the outer side wall of the upper end of the connecting cylinder is provided with a positioning groove connected with the outer framework.
9. The sewage treatment backwash filter according to claim 1, wherein: a sealing ring is arranged between the lower sealing cover and the sealing cylinder.
10. The sewage treatment backwash filter according to claim 1, wherein: the upper sealing cover and the lower sealing assembly are coaxially arranged with the shaft rod, the shaft rod is coaxially arranged with the outer framework, and the outer framework and the sealing cylinder are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220565511.8U CN216366894U (en) | 2022-03-16 | 2022-03-16 | Backwashing filter for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220565511.8U CN216366894U (en) | 2022-03-16 | 2022-03-16 | Backwashing filter for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216366894U true CN216366894U (en) | 2022-04-26 |
Family
ID=81237309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220565511.8U Active CN216366894U (en) | 2022-03-16 | 2022-03-16 | Backwashing filter for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216366894U (en) |
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2022
- 2022-03-16 CN CN202220565511.8U patent/CN216366894U/en active Active
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