CN211521717U - Horizontal sedimentation tank with aeration deironing function - Google Patents
Horizontal sedimentation tank with aeration deironing function Download PDFInfo
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- CN211521717U CN211521717U CN201922143340.0U CN201922143340U CN211521717U CN 211521717 U CN211521717 U CN 211521717U CN 201922143340 U CN201922143340 U CN 201922143340U CN 211521717 U CN211521717 U CN 211521717U
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Abstract
The utility model relates to a horizontal sedimentation tank with aeration deferrization function, which comprises a horizontal sedimentation tank; the horizontal sedimentation tank consists of a sedimentation tank body and a water outlet area arranged at the water outlet end of the sedimentation tank body; the sedimentation tank body is communicated with the water outlet area through a water outlet channel and a baffling channel at the bottom; an annular effluent weir is arranged around the upper part of the effluent area; an aeration device is arranged in the water outlet area. The utility model adds an aeration function in the water outlet area of the horizontal sedimentation tank, fully aerates the wastewater entering the water outlet area, improves the dissolved oxygen in the wastewater, is favorable for oxidizing the ferrous iron in the wastewater into ferric iron so as to be removed in the subsequent sedimentation or filtration treatment process; simultaneously, the aeration also can stir waste water, prevents that the suspended solid from deposiing in the play water zone, need not regularly to clear up sediment mud.
Description
Technical Field
The utility model relates to a waste water purification treatment technical field especially relates to a advection sedimentation tank with aeration deironing function.
Background
In order to save water resources, the industrial wastewater is usually pretreated and then subjected to advanced treatment, so that the desalination and recycling of the wastewater are realized. The desalting of the wastewater generally adopts a double-membrane method treatment process, the process has higher requirements on the pretreatment of the wastewater, and certain pollutants (such as iron) are difficult to clean thoroughly after entering the membrane, so that the membrane is polluted and blocked, and the service life of the membrane is influenced.
At present, sewage plants are all provided with wastewater pretreatment facilities, and in recent years, along with increasingly strict national requirements on environmental protection, the sewage plants are expanded to form advanced treatment facilities. The research utilizes the pretreatment facility to increase the iron removal function, thereby not only reducing the investment, but also playing the role of protecting the film from being polluted by iron.
Disclosure of Invention
The utility model provides a horizontal sedimentation tank with aeration deironing function, which adds an aeration function in the water outlet area of the horizontal sedimentation tank, fully aerates the wastewater entering the water outlet area, improves the dissolved oxygen in the wastewater, is favorable for oxidizing the ferrous iron in the wastewater into ferric iron so as to be removed in the subsequent sedimentation or filtration treatment process; simultaneously, the aeration also can stir waste water, prevents that the suspended solid from deposiing in the play water zone, need not regularly to clear up sediment mud.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a horizontal sedimentation tank with aeration deferrization function comprises a horizontal sedimentation tank; the horizontal sedimentation tank consists of a sedimentation tank body and a water outlet area arranged at the water outlet end of the sedimentation tank body; the sedimentation tank body is communicated with the water outlet area through a water outlet channel and a baffling channel at the bottom; an annular effluent weir is arranged around the upper part of the effluent area; an aeration device is arranged in the water outlet area.
The aeration device consists of an aeration fan, an aeration main pipe, aeration branch pipes, an aeration vertical pipe and a tubular aerator; the aeration fan is arranged on the outer side of the horizontal sedimentation tank, an air outlet of the aeration fan is connected with one end of the main aeration pipe, and the main aeration pipe is arranged on the top of a water outlet zone on one side far away from the sedimentation tank body; the aeration branch pipes are arranged above the water outlet zone in parallel, one end of each aeration branch pipe is respectively communicated with the main aeration pipe, a plurality of vertical aeration pipes are respectively arranged at the bottoms of the aeration branch pipes along the longitudinal direction, and a tubular aerator is respectively arranged at the bottom of each vertical aeration pipe.
The main aeration pipe is provided with a check valve at one end close to the aeration fan, and the main aeration pipe at the downstream of the check valve is provided with an air release valve.
And manual valves are respectively arranged at the joints of the aeration branch pipes and the aeration main pipe.
The aeration fan is an air suspension fan.
The top end of the aeration vertical pipe is connected with the aeration branch pipe through a flange.
2 partition walls are arranged between the sedimentation tank body and the water outlet area, the bottom of the partition wall I close to one side of the sedimentation tank body is spaced from the bottom of the tank, and the top of the partition wall II close to one side of the water outlet area is spaced from the top of the tank; the first partition wall and the second partition wall are arranged in parallel and form a water outlet channel at the bottom and an upward baffling channel together; the water outlet weir close to one side of the sedimentation tank body is arranged at the top of the partition wall II, and the other end of the aeration branch pipe is supported on the partition wall I.
The water outlet area is arranged on the support frame and is used for supporting the aeration branch pipe or the aeration vertical pipe.
The tubular aerator is a single-hole membrane aerator.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the horizontal sedimentation tank in the existing wastewater pretreatment facility is fully utilized to remove iron from wastewater, and no new iron removal facility is required;
2) the air suspension fan is used as an air source of the aeration device, so that the equipment maintenance amount is reduced, the noise is reduced, and the air suspension fan can be placed outdoors;
3) the aeration device is arranged in the water outlet area, can be implemented under the condition of non-stop production, and can be replaced or maintained without stopping production when the aeration device has a problem;
4) the aeration has the function of stirring the wastewater, prevents the suspended matters in the water outlet zone from precipitating, and does not need to regularly clean the precipitated sludge.
Drawings
Fig. 1 is a front view of a horizontal sedimentation tank with aeration and iron removal functions.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a view a-a in fig. 1.
In the figure: 1. the sedimentation tank body 2, the water outlet area 3, the water outlet weir 4, the main aeration pipe 5, the branch aeration pipe 6, the tubular aerator 7, the vertical aeration pipe 8, the aeration fan 9, the air release valve 10, the manual valve 11, the check valve 12, the first partition wall 13, the second partition wall 13
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1-3, the horizontal sedimentation tank with aeration and iron removal functions of the utility model comprises a horizontal sedimentation tank; the horizontal flow sedimentation tank consists of a sedimentation tank body 1 and a water outlet zone 2 arranged at the water outlet end of the sedimentation tank body 1; the sedimentation tank body 1 is communicated with the water outlet area 2 through a water outlet channel and a baffling channel at the bottom; an annular effluent weir 3 is arranged around the upper part of the effluent area 2; an aeration device is arranged in the water outlet zone 2.
The aeration device consists of an aeration fan 8, an aeration main pipe 4, aeration branch pipes 5, an aeration vertical pipe 7 and a tubular aerator 6; the aeration fan 8 is arranged on the outer side of the horizontal sedimentation tank, an air outlet of the aeration fan 8 is connected with one end of the main aeration pipe 4, and the main aeration pipe 4 is arranged on the top of the water outlet zone 2 far away from one side of the sedimentation tank body 1; the aeration branch pipes 5 are arranged above the water outlet zone 2 in parallel, one end of each aeration branch pipe 5 is respectively communicated with the main aeration pipe 4, the bottom of each aeration branch pipe 5 is respectively provided with a plurality of vertical aeration pipes 7 along the longitudinal direction, and the bottom of each vertical aeration pipe 7 is respectively provided with a tubular aerator 6.
The main aeration pipe 4 is provided with a check valve 11 at one end close to the aeration fan 8, and the main aeration pipe 4 at the downstream of the check valve 11 is provided with an air release valve 9.
And manual valves 10 are respectively arranged at the joints of the aeration branch pipes 5 and the aeration main pipe 4.
The aeration fan 8 is an air suspension fan.
The top end of the aeration vertical pipe 7 is connected with the aeration branch pipe 5 through a flange.
2 partition walls are arranged between the sedimentation tank body 1 and the water outlet area 2, the bottom of a partition wall I12 close to one side of the sedimentation tank body 1 is spaced from the bottom of the tank, and the top of a partition wall II 13 close to one side of the water outlet area 2 is spaced from the top of the tank; the first partition wall 12 and the second partition wall 13 are arranged in parallel and form a water outlet channel at the bottom and an upward baffling channel together; the effluent weir 3 close to one side of the sedimentation tank body 1 is arranged at the top of the partition wall II 13, and the other end of the aeration branch pipe 5 is supported on the partition wall I12.
The water outlet area 2 is arranged on the support frame and is used for supporting the aeration branch pipe 5 or the aeration vertical pipe 7.
The tubular aerator 6 is a single-hole membrane aerator.
After the wastewater is precipitated by the sedimentation tank body 1, the wastewater flows to one side of the water outlet zone 2 through the water flow channel at the bottom, flows upwards through the baffling channel and flows into the water outlet zone 2 through the water outlet weir 3. And starting an aeration fan 8, introducing air into each aeration branch pipe 5 through an aeration main pipe 4, and introducing the air into each tubular aerator 6 through a plurality of aeration vertical pipes 7 to aerate, oxygenate and stir the wastewater in the water outlet zone 2.
The tubular aerator 6 can adopt a single-hole membrane aerator to prevent the aeration head from being blocked when the aeration is stopped. The vertical aeration pipe 7 and the branch aeration pipe 5 are connected by flanges, so that the vertical aeration pipe is convenient to disassemble during maintenance.
The aeration branch pipes 5 are connected to the aeration main pipe 4, the manual valves 10 are arranged at the joints, and a group of aeration components connected with one aeration branch pipe 5 can be independently overhauled by closing the corresponding manual valve 10, so that the normal use of other aeration components is not influenced.
One end of the aeration branch pipe 5 is supported on the pool wall outside the water outlet area 2, the other end of the aeration branch pipe is supported on the first partition wall 12, and a support frame is arranged in the middle of the aeration branch pipe according to the span and the strength.
The main aeration pipe 4 is provided with a vent valve 9 and a check valve 11; the air release valve 9 can adopt a manual ball valve, the air release valve 9 is opened firstly when the aeration is stopped, the vacuum is broken, the water backflow is prevented, and the check valve 11 is used for preventing the water backflow to the aeration fan 8 when the machine is stopped.
The aeration fan 8 adopts an air suspension fan, so that the noise is low, the maintenance amount is reduced, and the power consumption is saved through variable frequency control.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. A horizontal sedimentation tank with aeration deferrization function comprises a horizontal sedimentation tank; the horizontal flow sedimentation tank is characterized by comprising a sedimentation tank body and a water outlet area arranged at the water outlet end of the sedimentation tank body; the sedimentation tank body is communicated with the water outlet area through a water outlet channel and a baffling channel at the bottom; an annular effluent weir is arranged around the upper part of the effluent area; an aeration device is arranged in the water outlet area.
2. The horizontal flow sedimentation tank with the aeration iron removal function as claimed in claim 1, wherein the aeration device consists of an aeration fan, an aeration main pipe, aeration branch pipes, an aeration vertical pipe and a pipe type aerator; the aeration fan is arranged on the outer side of the horizontal sedimentation tank, an air outlet of the aeration fan is connected with one end of the main aeration pipe, and the main aeration pipe is arranged on the top of a water outlet zone on one side far away from the sedimentation tank body; the aeration branch pipes are arranged above the water outlet zone in parallel, one end of each aeration branch pipe is respectively communicated with the main aeration pipe, a plurality of vertical aeration pipes are respectively arranged at the bottoms of the aeration branch pipes along the longitudinal direction, and a tubular aerator is respectively arranged at the bottom of each vertical aeration pipe.
3. The horizontal flow sedimentation tank with the aeration iron removal function as claimed in claim 2, wherein the main aeration pipe is provided with a check valve at one end close to the aeration fan, and a vent valve is arranged on the main aeration pipe at the downstream of the check valve.
4. The horizontal flow sedimentation tank with the aeration iron removal function as claimed in claim 2, wherein manual valves are respectively arranged at the joints of the aeration branch pipes and the aeration main pipe.
5. The horizontal flow sedimentation tank with the aeration and iron removal functions as claimed in claim 2, wherein the aeration fan is an air suspension fan.
6. The horizontal flow sedimentation tank with the aeration and iron removal functions as claimed in claim 2, wherein the top end of the aeration vertical pipe is connected with the aeration branch pipe through a flange.
7. The horizontal flow sedimentation tank with the aeration iron removal function as claimed in claim 1 or 2, wherein 2 partition walls are arranged between the sedimentation tank body and the water outlet area, the bottom of the partition wall I close to one side of the sedimentation tank body is spaced from the bottom of the tank, and the top of the partition wall II close to one side of the water outlet area is spaced from the top of the tank; the first partition wall and the second partition wall are arranged in parallel and form a water flow channel at the bottom and an upward baffling channel together; the water outlet weir close to one side of the sedimentation tank body is arranged at the top of the partition wall II, and the other end of the aeration branch pipe is supported on the partition wall I.
8. The horizontal flow sedimentation tank with the aeration and iron removal functions as claimed in claim 1 or 2, wherein the water outlet zone is arranged on a support frame and used for supporting aeration branch pipes or aeration vertical pipes.
9. The horizontal flow sedimentation tank with the aeration iron removal function as claimed in claim 2, wherein the tubular aerator is a single-hole membrane aerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922143340.0U CN211521717U (en) | 2019-12-03 | 2019-12-03 | Horizontal sedimentation tank with aeration deironing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922143340.0U CN211521717U (en) | 2019-12-03 | 2019-12-03 | Horizontal sedimentation tank with aeration deironing function |
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| Publication Number | Publication Date |
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| CN211521717U true CN211521717U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922143340.0U Active CN211521717U (en) | 2019-12-03 | 2019-12-03 | Horizontal sedimentation tank with aeration deironing function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110818060A (en) * | 2019-12-03 | 2020-02-21 | 鞍钢集团工程技术有限公司 | Horizontal sedimentation tank with aeration deironing function |
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2019
- 2019-12-03 CN CN201922143340.0U patent/CN211521717U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110818060A (en) * | 2019-12-03 | 2020-02-21 | 鞍钢集团工程技术有限公司 | Horizontal sedimentation tank with aeration deironing function |
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