CN219991274U - Air floatation sedimentation tank for wastewater treatment - Google Patents
Air floatation sedimentation tank for wastewater treatment Download PDFInfo
- Publication number
- CN219991274U CN219991274U CN202321168899.9U CN202321168899U CN219991274U CN 219991274 U CN219991274 U CN 219991274U CN 202321168899 U CN202321168899 U CN 202321168899U CN 219991274 U CN219991274 U CN 219991274U
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- China
- Prior art keywords
- stirring shaft
- stirring
- dosing
- driving
- sedimentation tank
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 19
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 126
- 239000003814 drug Substances 0.000 claims abstract description 31
- 229940079593 drug Drugs 0.000 claims description 7
- 238000005188 flotation Methods 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 14
- 239000008394 flocculating agent Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses an air floatation sedimentation tank for wastewater treatment, which comprises the following components: a housing having an independent dosing mixing zone and a dross zone; the stirring shaft is vertically and rotatably arranged on the shell and extends into the dosing mixing region, and the stirring shaft is hollow and provided with a medicine outlet communicated with the inside; the stirring paddle is vertically and slidably arranged on the stirring shaft; the dosing device is provided with a dosing end which is rotationally connected and communicated with the upper end of the stirring shaft; the driving device is used for driving the stirring shaft to rotate; and the driving piece is arranged on the stirring shaft and used for driving the stirring paddles to vertically reciprocate. After the flocculant is sprayed out from the medicine outlet, the stirring paddle carries out horizontal stirring and mixing and up-down stirring and mixing on the wastewater and the flocculant, so that the full stirring and mixing of the flocculant and the wastewater are realized, and the mixing efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of multistage treatment of water, wastewater or sewage, in particular to an air floatation sedimentation tank for wastewater treatment.
Background
In the prior art, in the air floatation sedimentation tank, a dosing pump is generally adopted to directly pump a flocculating agent into the lower part of a dosing sedimentation zone, a stirring She Fensan flocculating agent is arranged at the lower part in the dosing sedimentation zone, the flocculating agent flows into the lower part of the dosing sedimentation zone, the problem of uneven distribution exists, and stirring blades are only arranged at the lower part in the dosing sedimentation zone, so that the dispersing effect of the stirring blades on the flocculating agent is difficult to ensure, the flocculating agent in wastewater is unevenly dispersed, and the flocculation effect is influenced.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides an air floatation sedimentation tank for wastewater treatment, which adopts the following technical scheme:
an air floatation sedimentation tank for wastewater treatment, comprising:
a housing having an independent dosing mixing zone and a dross zone;
the stirring shaft is vertically and rotatably arranged on the shell and extends into the dosing mixing region, and the stirring shaft is hollow and provided with a medicine outlet communicated with the inside;
the stirring paddle is vertically and slidably arranged on the stirring shaft;
the dosing device is provided with a dosing end which is rotationally connected and communicated with the upper end of the stirring shaft;
the driving device is used for driving the stirring shaft to rotate;
and the driving piece is arranged on the stirring shaft and used for driving the stirring paddles to vertically reciprocate.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the driving piece is a positioning ring rotatably installed on the stirring shaft, the upper end face of the positioning ring horizontally fluctuates, a slip ring which is in sliding connection with the stirring shaft is arranged on the stirring paddle, a lifting rod is installed at the lower end of the slip ring, and the stirring paddle is in sliding connection with the lifting rod and is placed at the upper end of the positioning ring.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the stirring paddles are provided with a plurality of positioning rings, and the upper ends of the positioning rings are respectively provided with the stirring paddles.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the lower end of the stirring shaft is sealed, and a plurality of medicine outlet holes which are distributed at intervals are formed in the side wall of the stirring shaft.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the medicine outlet holes are divided into a plurality of medicine hole rows, the medicine hole rows are circumferentially and alternately distributed on the stirring shaft, and each medicine hole row comprises a plurality of medicine outlet holes axially and alternately arranged along the stirring shaft.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the stirring shaft is characterized in that at least two vertically distributed strip-shaped sliding grooves are arranged on the outer wall of the stirring shaft, each strip-shaped sliding groove is distributed between two adjacent medicine hole rows, a convex edge matched with the strip-shaped sliding groove is arranged on the inner wall of the sliding ring, and the sliding ring is slidably mounted on the stirring shaft through the convex edge.
The utility model has the beneficial effects that:
the driving device drives the stirring shaft to drive the stirring paddles to synchronously rotate, the stirring paddles rotate, the flocculating agent is sprayed out of the medicine outlet holes, the stirring paddles stir and mix the wastewater and the flocculating agent horizontally, meanwhile, the driving piece drives the stirring paddles to vertically reciprocate on the stirring shaft, and the stirring paddles stir and mix the wastewater and the flocculating agent vertically, so that the full stirring and mixing of the flocculating agent and the wastewater are realized, and the mixing efficiency is improved.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of an air-floating sedimentation device;
FIG. 2 is a schematic structural view of a stirring shaft;
FIG. 3 is an enlarged view at A;
fig. 4 is an enlarged partial schematic view of the mounting structure of the stirring shaft.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
Referring to fig. 1 to 3, an embodiment of the present utility model is provided, in which an air floatation sedimentation tank for wastewater treatment according to the present embodiment includes:
a housing 1 having separate dosing and mixing zones 11 and a dross zone 12;
the stirring shaft 2 is vertically and rotatably arranged on the shell 1 and extends into the dosing mixing region 11, and the stirring shaft 2 is hollow and is provided with a medicine outlet 21 communicated with the inside;
the stirring paddle 3 is vertically and slidably arranged on the stirring shaft 2;
the dosing device 4 is provided with a dosing end which is rotationally connected and communicated with the upper end of the stirring shaft 2;
the driving device 5 is used for driving the stirring shaft 2 to rotate;
and a driving member 6 mounted on the stirring shaft 2 and used for driving the stirring paddle 3 to vertically reciprocate.
The shell 1 is provided with a slag scraping device 13 above the slag area 12, and referring to fig. 1, the shell 1 is provided with a cover plate 14 at the upper end of the dosing and mixing area 11, two ends of the stirring shaft 2 are respectively and rotatably connected with the bottom wall of the shell 1 and the cover plate, and the upper end of the stirring shaft 2 passes through the cover plate and is in transmission connection with the driving device 5.
The dosing device 4 sends flocculant into the stirring shaft 2, the flocculant flows into the shell 1 from the medicine outlet hole 21, the driving device 5 drives the stirring shaft 2 to drive the stirring paddles 3 to synchronously rotate, the flocculant is sprayed out from the medicine outlet hole 21, the stirring paddles 3 stir and mix the wastewater and the flocculant horizontally, meanwhile, the driving piece 6 drives the stirring paddles 3 to vertically reciprocate on the stirring shaft 2, and the stirring paddles 3 stir and mix the wastewater and the flocculant vertically, so that the full stirring and mixing of the flocculant and the wastewater are realized, and the mixing efficiency is improved.
The driving device 5 comprises a driving motor, a driven gear (not shown) is arranged at one end of the stirring shaft 2 penetrating out of the cover plate, the driving motor is arranged on the shell 1, a driving gear (not shown) is arranged on a driving shaft of the driving motor and meshed with the driven gear, and the driving shaft of the driving motor drives the stirring shaft 2 to rotate through driving the driving gear and the driven gear.
The dosing device 4 comprises a dosing bin, a dosing pump and a dosing tube 41, one end of the dosing tube is rotatably connected and communicated with the upper end of the stirring shaft 2 through a rotary joint, the other end of the dosing tube is communicated with the dosing bin, and the dosing pump is arranged on the dosing tube and used for quantitatively feeding a flocculating agent in the dosing bin into the stirring shaft 2.
Further, the driving member 6 is a positioning ring rotatably mounted on the stirring shaft 2, the upper end surface of the positioning ring is horizontally fluctuated, the stirring paddle 3 is provided with a slip ring 7 slidably connected with the stirring shaft 2, the lower end of the slip ring 7 is provided with a lifting rod 8, and the stirring paddle 3 is slidably connected with the lifting rod 8 and is placed at the upper end of the positioning ring.
When the driving device 5 drives the stirring shaft 2 to rotate, the stirring shaft 2 drives the stirring paddles 3 to rotate relative to the positioning ring at the same time, the lifting rod 8 moves along the upper end face of the positioning ring, and the sliding ring 7 moves up and down along the upper end of the positioning ring while rotating due to the horizontal fluctuation of the upper end face of the positioning ring, so that the structure is simple; and the stirring paddle 3 is placed on the positioning ring under the action of self gravity, meanwhile, the stirring paddle 3 is also subjected to buoyancy of waste water, and impact of the stirring paddle 3 on the positioning ring is reduced when the stirring paddle 3 is lifted.
The positioning ring can be mounted on the outer wall of the stirring shaft 2 through a bearing in running fit with the positioning ring, so that the stirring shaft 2 can rotate relative to the positioning ring.
Preferably, the stirring paddle 3 is provided with a plurality of positioning rings, and the upper end of each positioning ring is respectively provided with the stirring paddle 3. In order to ensure stirring efficiency, a plurality of stirring paddles 3 can be arranged on the stirring shaft 2, and correspondingly, a plurality of positioning rings are arranged on the stirring shaft 2, and the stirring paddles 3 are distributed and placed at the upper ends of the positioning rings.
In this embodiment, the medicine outlet holes 21 are divided into a plurality of medicine hole rows, the medicine hole rows are circumferentially and alternately distributed on the stirring shaft 2, and each medicine hole row includes a plurality of medicine outlet holes 21 axially and alternately arranged along the stirring shaft 2. The flocculating agent can follow the lateral wall of (mixing) shaft 2 outwards flows, flows to the flocculating agent of (mixing) shaft 2 side can be in (mixing) shaft 2 stirs from top to bottom and horizontal rotation stirring effect down the dispersion is even, guarantees stirring effect of stirring rake 3 to waste water. The shell 1 is provided with a wastewater inlet communicated with the inside of the dosing mixing region 11, the wastewater inlet is distributed at the lower part in the dosing mixing region 11, and the drug outlet holes 21 and the stirring paddles are correspondingly distributed at the lower part in the dosing mixing region 11.
Further, at least two vertically distributed bar-shaped sliding grooves 22 are arranged on the outer wall of the stirring shaft 2, each bar-shaped sliding groove 22 is distributed between two adjacent medicine hole rows, a convex rib 72 matched with the bar-shaped sliding groove 22 is arranged on the inner wall of the sliding ring 7, and the sliding ring 7 is slidably mounted on the stirring shaft 2 through the convex rib 72.
Referring to the drawings, the inner diameter of the slip ring 7 is larger than the outer diameter of the stirring shaft 2, and when the stirring paddle 3 slides up and down along the bar-shaped chute 22, the slip ring 7 is prevented from influencing the outflow of the flocculating agent from the medicine outlet 21, and after the flocculating agent flows out from the medicine outlet 21, the flocculating agent can still stir horizontally and stir up and down under the action of the raised edge 72, so that the stirring effect is ensured.
Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.
Claims (6)
1. An air floatation sedimentation tank for wastewater treatment, which is characterized by comprising:
a housing (1) having separate dosing and mixing zones (11) and a dross zone (12);
the stirring shaft (2) is vertically and rotatably arranged on the shell (1) and extends into the dosing mixing region (11), and the stirring shaft (2) is hollow and is provided with a medicine outlet (21) communicated with the inside;
the stirring paddle (3) is vertically and slidably arranged on the stirring shaft (2);
the dosing device (4) is provided with a dosing end which is rotationally connected and communicated with the upper end of the stirring shaft (2);
the driving device (5) is used for driving the stirring shaft (2) to rotate;
and the driving piece (6) is arranged on the stirring shaft (2) and is used for driving the stirring paddle (3) to vertically reciprocate.
2. The air floatation sedimentation tank for wastewater treatment according to claim 1, wherein the driving member (6) is a positioning ring rotatably mounted on the stirring shaft (2), the upper end surface of the positioning ring is horizontally fluctuated, the stirring paddle (3) is provided with a slip ring (7) which is slidably connected with the stirring shaft (2), the lower end of the slip ring (7) is provided with a lifting rod (8), and the stirring paddle (3) is slidably connected with the lifting rod (8) and is placed at the upper end of the positioning ring.
3. The air floatation sedimentation tank for wastewater treatment according to claim 2, wherein a plurality of positioning rings are arranged on the stirring paddles (3), and the stirring paddles (3) are respectively arranged at the upper ends of the positioning rings.
4. A wastewater treatment air floatation sedimentation tank according to claim 2 or 3, characterized in that the lower end of the stirring shaft (2) is sealed, and a plurality of drug outlet holes (21) are arranged on the side wall of the stirring shaft at intervals.
5. The air floatation sedimentation tank for wastewater treatment according to claim 4, wherein the plurality of drug outlet holes (21) are divided into a plurality of drug hole rows, the plurality of drug hole rows are circumferentially and alternately distributed on the stirring shaft (2), and each drug hole row comprises a plurality of drug outlet holes (21) axially and alternately arranged along the stirring shaft (2).
6. The air flotation sedimentation tank for wastewater treatment according to claim 5, wherein at least two vertically distributed bar-shaped sliding grooves (22) are arranged on the outer wall of the stirring shaft (2), each bar-shaped sliding groove (22) is distributed between two adjacent medicine hole rows, a convex rib (72) matched with the bar-shaped sliding groove (22) is arranged on the inner wall of the sliding ring (7), and the sliding ring (7) is slidably mounted on the stirring shaft (2) through the convex rib (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321168899.9U CN219991274U (en) | 2023-05-15 | 2023-05-15 | Air floatation sedimentation tank for wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321168899.9U CN219991274U (en) | 2023-05-15 | 2023-05-15 | Air floatation sedimentation tank for wastewater treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219991274U true CN219991274U (en) | 2023-11-10 |
Family
ID=88611364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321168899.9U Active CN219991274U (en) | 2023-05-15 | 2023-05-15 | Air floatation sedimentation tank for wastewater treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219991274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117303535A (en) * | 2023-11-28 | 2023-12-29 | 滨州市骏达再生源环保纤维有限公司 | Straw pulping wastewater treatment device and treatment method |
-
2023
- 2023-05-15 CN CN202321168899.9U patent/CN219991274U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117303535A (en) * | 2023-11-28 | 2023-12-29 | 滨州市骏达再生源环保纤维有限公司 | Straw pulping wastewater treatment device and treatment method |
| CN117303535B (en) * | 2023-11-28 | 2024-02-20 | 滨州市骏达再生源环保纤维有限公司 | Straw pulping wastewater treatment device and treatment method |
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