CN211097691U - Converging sedimentation tank - Google Patents
Converging sedimentation tank Download PDFInfo
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- CN211097691U CN211097691U CN201921545716.4U CN201921545716U CN211097691U CN 211097691 U CN211097691 U CN 211097691U CN 201921545716 U CN201921545716 U CN 201921545716U CN 211097691 U CN211097691 U CN 211097691U
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Abstract
The utility model relates to the technical field of water treatment devices, and discloses a converging sedimentation tank, which comprises a tank body, wherein the tank body comprises an outer wall, a final-stage sedimentation tank is arranged in the tank body, a plurality of overflow weirs are arranged between the outer wall and the final-stage sedimentation tank, and the heights of the overflow weirs are gradually decreased from the outer wall to the final-stage sedimentation tank; the outer wall is provided with a main water inlet, and the final-stage sedimentation tank is connected with a main water outlet. Adopt the utility model discloses technical scheme's converging sedimentation tank, simple structure reduces sedimentation tank's area, improves land efficiency, increases overflow weir length and pond water dwell time, slows down the pond water velocity of flow, has strengthened the precipitation effect.
Description
Technical Field
The utility model relates to a water treatment facilities technical field especially relates to a confluence sedimentation tank.
Background
The sedimentation tank is a structure which is used for purifying water quality, enabling a water body with a mixture to realize solid-liquid separation under the action of gravity and precipitating and separating out suspended matters in water. The precipitation mode can use natural precipitation or coagulating precipitation. The sedimentation tank belongs to a water purification facility in the field of sewage treatment and has wide application range. The device can be applied to the primary purification section of a thermal power plant or a nuclear power plant, and also can be applied to the tail water treatment section of municipal water supply and drainage engineering, municipal sewage treatment plants and large-scale farms, and various environmental protection engineering which need water quality purification or standard discharge.
The traditional sedimentation tank is a horizontal flow sedimentation tank at present, and has the defects of large floor area, equal length of the overflow weir with the side length of the sedimentation tank and limited length of the overflow weir. Under the same land occupation area, the flow velocity performance of the water body in the horizontal flow sedimentation tank is relatively mediocre, and the land occupation efficiency is low. Under the same land area and water flow, the retention time of the water in the horizontal flow sedimentation tank is not optimal, the net capacity can be increased only by increasing the depth of the tank, the retention time of the water in the tank is increased to improve the sedimentation effect, and the sedimentation effect is greatly influenced by space limitation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides a sink sedimentation tank, this sink sedimentation tank simple structure reduces sedimentation tank's area, improves land efficiency, increases overflow weir length and pond water dwell time, slows down the interior water velocity of flow of pond, has strengthened the precipitation effect.
In order to achieve the above object, the utility model provides a converging sedimentation tank, which comprises a tank body, wherein the tank body comprises an outer wall, a final-stage sedimentation tank is arranged in the tank body, a plurality of overflow weirs are arranged between the outer wall and the final-stage sedimentation tank, and the heights of the overflow weirs are gradually decreased from the outer wall to the final-stage sedimentation tank; the outer wall is provided with a main water inlet, and the final-stage sedimentation tank is connected with a main water outlet.
Preferably, the system further comprises a filter tank, wherein the filter tank is arranged in the final-stage sedimentation tank, a water inlet of the filter tank is connected with the final-stage sedimentation tank, and a water outlet of the filter tank is connected with the total water outlet.
Preferably, the device also comprises an aeration tank, and a water inlet of the aeration tank is connected with a water outlet of the filter tank.
Preferably, the height difference between two adjacent overflow weirs is 100-200 mm.
Preferably, the height difference between the overflow weir adjacent to the outer wall and the outer wall is 200-500 mm.
Preferably, the system further comprises a water outlet channel, and the final stage sedimentation tank is connected with the main water outlet through the water outlet channel.
Preferably, the shape of the tank body is circular.
Preferably, the shape of the tank body is quadrilateral.
Preferably, the shape of the tank body is a regular polygon.
Preferably, the number of the overflow weirs is 2.
The embodiment of the utility model provides a confluence sedimentation tank compares with prior art, and its beneficial effect lies in:
the utility model discloses converging sedimentation tank, treat that the water of sediment flows into the pond internal back through multistage overflow weir and flows into final stage sedimentation tank through total water inlet, finally by the total delivery port of final stage sedimentation tank flow direction, through the quantity that increases the overflow weir for the length of furthest extension overflow weir under the condition that does not change sedimentation tank area reduces the interior water velocity of flow, increases water dwell time in the pond, improves precipitation efficiency.
Drawings
Fig. 1 is a top view of a sink sedimentation tank according to an embodiment of the present invention;
fig. 2 is a sectional view of a sink sedimentation tank according to an embodiment of the present invention;
in the figure, the device comprises a main water inlet, a main water outlet, a water outlet channel, a first overflow weir, a last-stage sedimentation tank, a first outer wall, a last-stage sedimentation tank, a second outer wall, a last-stage sedimentation tank, a first water inlet, a second water outlet, a first water outlet, a second water outlet, a water outlet channel.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 to 2, the arrow direction in the figure indicates the water flow direction, the sink sedimentation tank of the preferred embodiment of the present invention comprises a tank body, the tank body comprises an outer wall 1, a final sedimentation tank 2 is arranged in the tank body, a plurality of overflow weirs are arranged between the outer wall 1 and the final sedimentation tank 2, the number of the overflow weirs is at least 2, and the heights of the overflow weirs are gradually decreased from the outer wall 1 to the final sedimentation tank 2; the outer wall 1 is provided with a main water inlet 3, and the final-stage sedimentation tank 2 is connected with a main water outlet 4.
Based on above technical scheme, treat that the water that deposits flows into the pond internal back through multistage overflow weir and flow into final stage sedimentation tank 2 through total water inlet 3, finally by the total delivery port 4 of 2 flow direction of final stage sedimentation tank, through the quantity that increases the overflow weir for furthest's extension overflow weir's length reduces the interior water velocity of flow of pond, increases the interior water dwell time of pond, improves precipitation efficiency under the condition that does not change sedimentation tank area.
Furthermore, the system also comprises a filter tank, the filter tank is arranged in the final-stage sedimentation tank 2, so that the floor area is saved, a water inlet of the filter tank is connected with the final-stage sedimentation tank 2, and a water outlet of the filter tank is connected with the total water outlet. Thereby facilitating the introduction of the precipitated water into the filtration process unit.
Optionally, the device further comprises an aeration tank, and a water inlet of the aeration tank is connected with a water outlet of the filter tank. The aeration tank can be arranged in the final-stage sedimentation tank 2, so that filtered water is conveniently guided into the aeration treatment unit, one tank is multipurpose, and the land utilization efficiency is further improved.
Preferably, the height difference between two adjacent overflow weirs is 100-200 mm, so as to ensure that the water to be precipitated is retained between two stages of overflow weirs for a longer time to meet the precipitation requirement. The height difference between the overflow weir adjacent to the outer wall 1 and the outer wall 1 is 200-500 mm, thereby preventing the water from overflowing to the outside of the sedimentation tank.
In addition, the water outlet channel 5 is further included, and the final-stage sedimentation tank 2 is connected with the main water outlet 4 through the water outlet channel 5, so that water in the final-stage sedimentation tank 2 is conveniently guided to the main water outlet 4.
Optionally, the tank body is circular. The shape of the tank body is quadrilateral. The shape of the pool body is a regular polygon. The shape of the tank body can be adjusted to any shape according to the specific construction position.
In the present embodiment, the number of weirs is 2. The overflow weirs are marked in sequence from outside to inside on the outer wall 1 of the sedimentation tank as follows: the device comprises a first overflow weir 6 and a second overflow weir 7, wherein a buffer rectifying pool is formed between the first overflow weir 6 and the outer wall 1, a primary sedimentation pool is formed between the first overflow weir 6 and the second overflow weir 7, and the second overflow weir 7 is encircled and internally formed into a terminal sedimentation pool.
Wherein the distance between the first overflow weir 6 and the second overflow weir 7 and the distance between the first overflow weir 6 and the outer wall 1 can be adjusted according to the amount of water actually treated.
The utility model discloses a working process does: water to be precipitated is drained through the main water inlet 3 and enters the buffering rectifying pool, when the water level height exceeds the first overflow weir 6, the water overflows the first overflow weir 6 and enters the primary sedimentation tank, when the water level height exceeds the second overflow weir 7, the water overflows the second overflow weir 7 and enters the tail end sedimentation tank, and finally, the water passing through the precipitation is drained to the main water outlet 4 through the water outlet channel 5 and flows into the next-stage treatment unit.
To sum up, the embodiment of the utility model provides a converging sedimentation tank, its converging sedimentation tank treat that the water that deposits flows into the pond through total water inlet 3 and flow into final stage sedimentation tank 2 through multistage overflow weir after internal, finally by 2 flow direction total delivery ports 4 of final stage sedimentation tank, through the quantity that increases the overflow weir for furthest's extension overflow weir's length under the condition that does not change sedimentation tank area reduces the interior water velocity of flow, increases water dwell time in the pond, improves precipitation efficiency.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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 invention.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A confluence sedimentation tank is characterized by comprising a tank body, wherein the tank body comprises an outer wall, a final-stage sedimentation tank is arranged in the tank body, a plurality of overflow weirs are arranged between the outer wall and the final-stage sedimentation tank, and the heights of the overflow weirs are gradually reduced from the outer wall to the final-stage sedimentation tank; the outer wall is provided with a main water inlet, and the final-stage sedimentation tank is connected with a main water outlet.
2. The sink sedimentation tank according to claim 1, further comprising a filter chamber, wherein the filter chamber is disposed in the final sedimentation tank, a water inlet of the filter chamber is connected to the final sedimentation tank, and a water outlet of the filter chamber is connected to the total water outlet.
3. The sink sedimentation tank according to claim 2, further comprising an aeration tank, wherein a water inlet of the aeration tank is connected to a water outlet of the filter tank.
4. The sink sedimentation tank according to claim 1, wherein the height difference between two adjacent overflow weirs is 100-200 mm.
5. The sink basin according to claim 1 wherein the height difference between the weir adjacent to the outer wall and the outer wall is 200-500 mm.
6. The sink sedimentation tank according to claim 1, further comprising an outlet channel through which the final sedimentation tank is connected to the main outlet.
7. The sink sedimentation tank according to any one of claims 1 to 6, wherein the tank body has a circular outer shape.
8. The sink sedimentation tank according to any one of claims 1 to 6, wherein the tank body has a quadrangular outer shape.
9. The sink sedimentation tank according to any one of claims 1 to 6, wherein the tank body has an outer shape of a regular polygon.
10. The sink basin according to claim 1 wherein the number of said overflow weirs is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545716.4U CN211097691U (en) | 2019-09-17 | 2019-09-17 | Converging sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545716.4U CN211097691U (en) | 2019-09-17 | 2019-09-17 | Converging sedimentation tank |
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| Publication Number | Publication Date |
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| CN211097691U true CN211097691U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921545716.4U Active CN211097691U (en) | 2019-09-17 | 2019-09-17 | Converging sedimentation tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113018976A (en) * | 2021-03-18 | 2021-06-25 | 国合绿材科技(江苏)有限公司 | Be applied to rainwater collection processing apparatus of sponge city construction |
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2019
- 2019-09-17 CN CN201921545716.4U patent/CN211097691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113018976A (en) * | 2021-03-18 | 2021-06-25 | 国合绿材科技(江苏)有限公司 | Be applied to rainwater collection processing apparatus of sponge city construction |
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