CN219823844U - Scum removing structure of sewage biochemical treatment tank - Google Patents
Scum removing structure of sewage biochemical treatment tank Download PDFInfo
- Publication number
- CN219823844U CN219823844U CN202321306457.6U CN202321306457U CN219823844U CN 219823844 U CN219823844 U CN 219823844U CN 202321306457 U CN202321306457 U CN 202321306457U CN 219823844 U CN219823844 U CN 219823844U
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- China
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- scum
- suction pipe
- slag suction
- pontoon
- skimming
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- 239000010865 sewage Substances 0.000 title claims abstract description 14
- 239000002893 slag Substances 0.000 claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 238000004065 wastewater treatment Methods 0.000 claims 5
- 238000004140 cleaning Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Removal Of Floating Material (AREA)
Abstract
The utility model relates to a scum removing structure of a sewage biochemical treatment tank, which comprises a biochemical tank, wherein the biochemical tank is provided with a decanter, and the decanter comprises a water decanting weir and a skimming pontoon arranged in front of the water decanting weir; the skimming pontoon is provided with a hollow slag suction pipe in the direction away from the water decanting weir, the length direction of the slag suction pipe is consistent with the length direction of the skimming pontoon, and the slag suction pipe and the skimming pontoon are fixedly connected through a connecting piece so that the slag suction pipe can lift along with the skimming pontoon; the outer circumferential surface of the slag suction pipe is provided with a scum inlet extending along the length direction of the slag suction pipe in a penetrating way, and the scum inlet faces away from the skimming pontoon, so that scum can enter the slag suction pipe along with water flowing through the scum inlet in the decanting process; the slag suction pipe is connected with a flexible hose for discharging the collected scum. The utility model realizes collection and cleaning of scum on the water surface in the decanting process, effectively ensures the cleaning of the pool surface and improves the water quality of the discharged water.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a scum removing structure of a sewage biochemical treatment tank.
Background
The decanter is also called a decanter, and has the function of decanting clear water from the surface of a stationary tank without stirring the sediment, thereby ensuring the quality of the discharged water. In the process of water treatment in a CAST biochemical pond, some floating impurities and greasy dirt are inevitably floated on the water surface and are difficult to settle to the bottom of the pond along with the accumulation of time, a decanter is used as equipment for decanting clear water and comprises a decanting weir and a skimming pontoon in front of the decanting weir, the skimming pontoon only blocks floating impurities, the decanter cannot effectively remove the impurities such as the scum floating on the water surface, the excessive accumulation of the impurities also affects the water outlet effect of the decanter, and the manual cleaning has the problem of high labor intensity.
In the prior art, as in CN209242711U and CN202924816U, different slag discharging (deslagging) structures are provided for the above problems, and the scum is collected and then discharged outside the pool for treatment. However, in CN209242711U, a slag discharging groove is formed at the top of a skimming pontoon of the decanter, so that the effect of collecting scum is limited and the structural functionality of the skimming pontoon can be damaged; CN202924816U discloses an old-fashioned water decanter, unlike the existing water decanter, the water collecting tank and the water collecting port are far away from the water surface, the existing water decanter has no good effect of decanting the upper clear water, the slag collecting tank and the water collecting tank are arranged on the vertical guide rail, the structure is complex, and the operation mode is simple without the existing water decanter.
Therefore, a impurity removing structure is designed for the current decanter, so that impurities such as scum on the surface of the CAST biochemical tank can be effectively removed, and the collected scum can be discharged out of the tank for treatment.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a scum removing structure of a sewage biochemical treatment tank, so that the problem that the existing decanter lacks the function of effectively collecting and cleaning scum on the water surface is avoided, and the effects of simple structure, low cost and reliable use are achieved.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the scum removing structure of the sewage biochemical treatment tank comprises a biochemical tank, wherein a decanter is arranged in the biochemical tank and comprises a water decanting weir and a scum pontoon arranged in front of the water decanting weir; the skimming pontoon is provided with a hollow slag suction pipe in the direction away from the water decanting weir, the length direction of the slag suction pipe is consistent with the length direction of the skimming pontoon, and the slag suction pipe and the skimming pontoon are fixedly connected through a connecting piece so that the slag suction pipe can lift along with the skimming pontoon; the outer circumferential surface of the slag suction pipe is provided with a scum inlet extending along the length direction of the slag suction pipe in a penetrating way, and the scum inlet faces away from the skimming pontoon, so that scum can enter the slag suction pipe along with water flowing through the scum inlet in the decanting process; the slag suction pipe is connected with a flexible hose for discharging the collected scum.
Further perfecting the technical structure, the scum inlet is a rectangular opening with long sides corresponding to the length direction of the scum suction pipe, and the scum inlets are multiple in number and are arranged at intervals along the length direction of the scum suction pipe.
Further, the connecting piece comprises a first U-shaped clamp, a second U-shaped clamp and a connecting plate; the first U-shaped clamp is matched with the diameter of the skimming pontoon, and the second U-shaped clamp is matched with the diameter of the slag suction pipe;
through holes are correspondingly formed in the positions, corresponding to the free ends of the first U-shaped clamp and the second U-shaped clamp, of the connecting plate, the skimming pontoon is arranged between the first U-shaped clamp and the connecting plate, and the free ends of the first U-shaped clamp penetrate through the corresponding through holes one by one and are fastened through nuts; the slag suction pipe is arranged between the second U-shaped clamp and the connecting plate, and the free end of the second U-shaped clamp penetrates through the corresponding through holes one by one and is fastened through nuts.
Further, the decanter is arranged at one end of the biochemical tank, a spraying device is arranged at the other end of the biochemical tank, and the acting direction of the spraying device faces towards the slag suction pipe.
Further, a scum filter tank is arranged in the biochemical tank, and the scum filter tank is provided with a collecting port and a discharge port;
the two decanters are respectively connected with slag suction pipes, the two decanters are arranged in the biochemical tank at intervals along the length direction of the two decanters, the flexible hoses are connected to the inner ends of the two slag suction pipes opposite to each other, the outer ends of the two slag suction pipes opposite to each other are closed, and the flexible hoses connected to the inner ends of the two slag suction pipes are connected together and then connected with the collecting port of the scum filtering tank.
Further, a filter screen is arranged between the collecting port and the discharging port so as to filter and remove the scum collected by the scum suction pipe.
Further, in the circumferential direction of the slag suction pipe, the opening width of the scum inlet accounts for 25% -35% of the circumferential direction of the slag suction pipe.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the scum removing structure of the sewage biochemical treatment pool, the hollow rigid scum suction pipe is arranged in front of the scum pontoon, the scum suction pipe is fixedly connected with the scum pontoon so as to realize the same lifting and lowering, the scum suction pipe is provided with a scum inlet, and the scum inlet faces the direction far away from the scum pontoon; thus, the scum and greasy dirt on the surface of the biochemical pool can enter the slag suction pipe along with the water flow and are discharged through the flexible hose, so that the functions of collecting and cleaning the scum on the water surface in the decanting process are realized, the cleaning of the pool surface is ensured, and the water quality of the discharged water is improved.
2. According to the scum removing structure of the sewage biochemical treatment pool, the skimming pontoon and the scum suction pipe are tightly connected to the same connecting plate through the U-shaped anchor ear, the same lifting and lowering of the skimming pontoon and the scum suction pipe are realized, the structure is simple, the structure of the original decanter is not damaged, the modification is convenient to implement, and the fixing effect is good.
3. According to the scum removing structure of the sewage biochemical treatment pool, the spraying device is arranged opposite to the decanter, and the acting direction of the spraying device faces the slag suction pipe, so that the mobility of scum on the pool surface can be increased, the slag removing efficiency is improved, and the slag removing effect is better.
Drawings
FIG. 1 is a plan view showing a scum removing structure of a sewage biochemical treatment tank according to an embodiment;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic diagram of the connection of the skimming pontoon and the suction pipe in an embodiment;
wherein, decant water weir 1, skimming pontoon 2, inhale sediment pipe 3, dross collecting tank 31, blind end 32, flexible hose 4, first U type clamp 51, second U type clamp 52, connecting plate 53, dross filtering ponds 6.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
Referring to fig. 1-3, a scum removing structure of a sewage biochemical treatment tank in an embodiment includes a biochemical tank, wherein a decanter is arranged in the biochemical tank and comprises a water decanting weir 1 and a skimming pontoon 2 arranged in front of the water decanting weir 1; the skimming pontoon 2 is provided with a hollow rigid slag suction pipe 3 in the direction away from the water decanting weir 1, the length direction of the slag suction pipe 3 is consistent with the length direction of the skimming pontoon 2, and the slag suction pipe 3 and the skimming pontoon 2 are fixedly connected through a connecting piece so that the slag suction pipe 3 can lift together with the skimming pontoon 2; the outer circumferential surface of the slag suction pipe 3 is provided with a scum inlet 31 extending along the length direction of the slag suction pipe 3 in a penetrating way, the scum inlet 31 is arranged at the same horizontal plane with the water decanting position of the water decanting weir 1 and faces away from the skimming pontoon 2, so that scum can enter the slag suction pipe 3 along with water flow through the scum inlet 31 in the water decanting process; the dross suction pipe 3 is connected to a flexible hose 4 for discharging the collected dross.
In the scum removing structure of the sewage biochemical treatment pool, a hollow rigid scum suction pipe is arranged in front of a scum pontoon 2, a scum suction pipe 3 is fixedly connected with the scum pontoon 2 so as to realize the same lifting and lowering, a scum inlet 31 is arranged on the scum suction pipe 3, and the scum inlet 31 faces the direction far away from the scum pontoon 2; thus, the scum and greasy dirt on the surface of the biochemical pool can enter the slag suction pipe 3 along with water flow and are discharged through the flexible hose 4, so that the functions of collecting and cleaning the scum on the water surface in the decanting process are realized, the cleaning of the pool surface is ensured, and the water quality of the discharged water is improved.
With continued reference to fig. 1-3, the dross inlet 31 is a rectangular opening with a long side corresponding to the length direction of the dross suction pipe 3, and the number of dross inlets 31 is plural and is spaced along the length direction of the dross suction pipe 3.
Thus, the scum inlets 31 are arranged into a plurality of rectangular openings which are arranged at intervals along the length direction of the scum sucking pipe 3, the structural strength of the scum sucking pipe 3 is better, and scum can be effectively collected.
The connecting piece comprises a first U-shaped clamp 51, a second U-shaped clamp 52 and a connecting plate 53; the first U-shaped clamp 51 is matched with the diameter of the skimming pontoon 2, and the second U-shaped clamp 52 is matched with the diameter of the slag suction pipe 3;
through holes are correspondingly formed in the connecting plate 53 corresponding to the positions of the free ends of the first U-shaped clamp 51 and the second U-shaped clamp 52, the skimming pontoon 2 is arranged between the first U-shaped clamp 51 and the connecting plate 53, and the free ends of the first U-shaped clamp penetrate through the corresponding through holes one by one and are fastened through nuts; the slag suction pipe 3 is arranged between the second U-shaped clamp 52 and the connecting plate 53, and the free ends of the second U-shaped clamp 52 penetrate through the corresponding through holes one by one and are fastened through nuts.
Therefore, through the arrangement of the connecting piece, the skimming pontoon and the slag suction pipe are fixed together in a hoop mode, so that the skimming pontoon slag suction pipe has a simple structure and good stability; in implementation, the connecting pieces can be a plurality of connecting pieces which are arranged at intervals along the length direction of the skimming pontoon 2 or the slag suction pipe 3 so as to avoid the oscillation of the slag suction pipe, as shown in fig. 1, the number of the connecting pieces is 3, and the connecting pieces are respectively arranged at the two ends and the middle part of the slag suction pipe 3.
Wherein the decanter is arranged at one end of the biochemical tank, a spraying device (not shown in the figure) is arranged at the other end of the biochemical tank, and the acting direction of the spraying device faces the slag suction pipe 3.
Therefore, the fluidity of the dross on the surface of the biochemical tank can be increased through the spraying device, and a better deslagging effect is achieved.
Wherein, the side wall of the biochemical tank, which is close to the water decanting weir 1, is also provided with a scum filtering tank 6, and the scum filtering tank 6 is provided with a collecting port and a discharge port;
the two decanters are respectively connected with two slag suction pipes 3, the two decanters are arranged in the biochemical tank at intervals along the length direction of the two decanters, the flexible hose 4 is connected to the inner ends of the two slag suction pipes 3 opposite to each other, the outer ends of the two slag suction pipes 3 opposite to each other are closed ends 32, and the flexible hoses 4 connected to the inner ends of the two slag suction pipes 3 are connected together and then connected with the collecting port of the scum filtering tank 6.
Thus, after the scum enters the scum suction pipe 3, the scum can be led to the scum filtering tank 6 for treatment through the flexible hose 4.
In practice, a filter screen is arranged between the collecting port and the discharging port so as to filter and remove the scum collected by the slag sucking pipe 3.
In this embodiment, in the circumferential direction of the slag suction pipe 3, the opening width of the dross inlet 31 is 25% -35% of the circumferential direction of the slag suction pipe 3; the center height of the scum inlet 31 is consistent with the working liquid level of the biochemical tank. In this way, it can be effectively ensured that the dross can enter the dross suction pipe 3 through the dross inlet 31 to be collected, and the dross is prevented from crossing the dross suction pipe 3.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (7)
1. The scum removing structure of the sewage biochemical treatment tank comprises a biochemical tank, wherein a decanter is arranged in the biochemical tank and comprises a water decanting weir and a scum pontoon arranged in front of the water decanting weir; the method is characterized in that: the skimming pontoon is provided with a hollow slag suction pipe in the direction away from the water decanting weir, the length direction of the slag suction pipe is consistent with the length direction of the skimming pontoon, and the slag suction pipe and the skimming pontoon are fixedly connected through a connecting piece so that the slag suction pipe can lift along with the skimming pontoon; the outer circumferential surface of the slag suction pipe is provided with a scum inlet extending along the length direction of the slag suction pipe in a penetrating way, and the scum inlet faces away from the skimming pontoon, so that scum can enter the slag suction pipe along with water flowing through the scum inlet in the decanting process; the slag suction pipe is connected with a flexible hose for discharging the collected scum.
2. The structure for removing scum in a biochemical wastewater treatment tank according to claim 1, wherein: the scum inlets are rectangular openings with long sides corresponding to the length direction of the scum suction pipe, and the number of the scum inlets is multiple and is arranged at intervals along the length direction of the scum suction pipe.
3. The structure for removing scum in a biochemical wastewater treatment tank according to claim 1, wherein: the connecting piece comprises a first U-shaped clamp, a second U-shaped clamp and a connecting plate; the first U-shaped clamp is matched with the diameter of the skimming pontoon, and the second U-shaped clamp is matched with the diameter of the slag suction pipe;
through holes are correspondingly formed in the positions, corresponding to the free ends of the first U-shaped clamp and the second U-shaped clamp, of the connecting plate, the skimming pontoon is arranged between the first U-shaped clamp and the connecting plate, and the free ends of the first U-shaped clamp penetrate through the corresponding through holes one by one and are fastened through nuts; the slag suction pipe is arranged between the second U-shaped clamp and the connecting plate, and the free end of the second U-shaped clamp penetrates through the corresponding through holes one by one and is fastened through nuts.
4. The structure for removing scum in a biochemical wastewater treatment tank according to claim 1, wherein: the decanter is arranged at one end of the biochemical tank, the other end of the biochemical tank is provided with a spraying device, and the acting direction of the spraying device faces the slag suction pipe.
5. The structure for removing scum in a biochemical wastewater treatment tank according to claim 1, wherein: a scum filter tank is also arranged in the biochemical tank, and is provided with a collecting port and a discharge port;
the two decanters are respectively connected with slag suction pipes, the two decanters are arranged in the biochemical tank at intervals along the length direction of the two decanters, the flexible hoses are connected to the inner ends of the two slag suction pipes opposite to each other, the outer ends of the two slag suction pipes opposite to each other are closed, and the flexible hoses connected to the inner ends of the two slag suction pipes are connected together and then connected with the collecting port of the scum filtering tank.
6. The structure for removing scum in a biochemical wastewater treatment tank according to claim 5, wherein: a filter screen is arranged between the collecting port and the discharge port so as to filter and remove the scum collected by the scum suction pipe.
7. The structure for removing scum in a biochemical treatment tank according to any one of claims 1 to 6, wherein: and the width of the opening of the scum inlet in the circumferential direction of the scum suction pipe accounts for 25-35% of the circumferential direction of the scum suction pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321306457.6U CN219823844U (en) | 2023-05-26 | 2023-05-26 | Scum removing structure of sewage biochemical treatment tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321306457.6U CN219823844U (en) | 2023-05-26 | 2023-05-26 | Scum removing structure of sewage biochemical treatment tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219823844U true CN219823844U (en) | 2023-10-13 |
Family
ID=88251186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321306457.6U Active CN219823844U (en) | 2023-05-26 | 2023-05-26 | Scum removing structure of sewage biochemical treatment tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219823844U (en) |
-
2023
- 2023-05-26 CN CN202321306457.6U patent/CN219823844U/en active Active
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