CN212655584U - Radial-flow type efficient sedimentation device with circumferential inlet and circumferential outlet - Google Patents
Radial-flow type efficient sedimentation device with circumferential inlet and circumferential outlet Download PDFInfo
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- CN212655584U CN212655584U CN202020721853.5U CN202020721853U CN212655584U CN 212655584 U CN212655584 U CN 212655584U CN 202020721853 U CN202020721853 U CN 202020721853U CN 212655584 U CN212655584 U CN 212655584U
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Abstract
The utility model discloses a radial-flow efficient sedimentation device with circumferential inlet and circumferential outlet, which comprises a mixing zone (2), a flocculation zone (3), a water distribution zone (4), a sedimentation zone (6), a water collecting tank (7), a reflux sludge pump (16) and a sludge discharge pipe (17); the mixing area is externally connected with a water inlet pipe (1), the mixing area is communicated with the flocculation area, and the flocculation area is communicated with the water distribution area; the water distribution area surrounds the outer side of the settling area, and a plurality of water distribution holes (5) are uniformly distributed at the bottom of the water distribution area and are communicated with the settling area; the water collecting tank is arranged in the sedimentation region along the circumferential direction of the sedimentation region and is communicated with the sedimentation region, and the water collecting tank and the water distribution region form a radial flow type flow state of circumferential inlet and circumferential outlet; the water collecting tank is externally connected with a water outlet pipe (8), an inclined plate (12) is arranged between the water collecting tank and the water distribution holes, the reflux sludge pump is communicated with the settling zone and the mixing zone through a reflux pipeline, and the sludge discharge pipe is connected to the bottom of the settling zone. The utility model discloses can effectively improve the homogeneity and the stability of settling zone water distribution, save the medicine and consume, improve the matter and increase the efficiency.
Description
Technical Field
The utility model relates to a water treatment facilities especially relates to a week advances high-efficient sediment device of radial flow formula of week play.
Background
The coagulation sedimentation process is a mature water treatment technology, is commonly used in sewage treatment plants and water supply plants, and is represented by a traditional flocculation sedimentation tank and a high-efficiency sedimentation tank. However, compared with the flocculation sedimentation tank, the high-efficiency sedimentation tank has more advantages in saving land occupation, and is widely applied to pretreatment or advanced treatment processes of urban sewage treatment plants in recent years.
The high-efficiency sedimentation facility in the prior art often has the phenomenon of uneven short flow in the aspect of water distribution in the sedimentation area, the inclined plate (pipe) close to the water distribution area has high utilization rate, and the inclined plate (pipe) far away from the water distribution area has low utilization rate, so that the inclined plate (pipe) area can not be utilized to a greater extent during mud-water separation, and the problems of high medicine consumption, unstable effluent water quality effect and the like are caused.
Disclosure of Invention
An object of the utility model is to provide a week advances high-efficient sediment device of radial-flow type of week play, can effectively improve the homogeneity and the stability of settling zone water distribution, saves the medicine and consumes, improves the matter and increases effects.
The utility model discloses a realize like this:
a radial-flow efficient sedimentation device with circumferential inlet and circumferential outlet comprises a mixing zone, a flocculation zone, a water distribution zone, a sedimentation zone, a water collecting tank, a reflux sludge pump and a sludge discharge pipe; the water inlet of the mixing zone is externally connected with a water inlet pipe, the water outlet of the mixing zone is communicated with the water inlet of the flocculation zone through a pipeline, and the flocculation zone is communicated with the water distribution zone through a water through hole; the water distribution area is arranged around the outer side of the sedimentation area, and a plurality of water distribution holes are uniformly distributed at the bottom of the water distribution area, so that the water distribution area is communicated with the sedimentation area through the plurality of water distribution holes; the water collecting tank is arranged at the inner side of the settling zone along the circumferential direction of the settling zone and is communicated with the settling zone, and the water collecting tank and the water distribution zone form a radial flow type flow state of circumferential inlet and circumferential outlet; the water catch bowl is externally connected with a water outlet pipe, an inclined plate is arranged between the water catch bowl and the water distribution hole, a sludge inlet of the reflux sludge pump is communicated with the bottom of the settling zone through a reflux pipeline, a sludge outlet of the reflux sludge pump is communicated with a water outlet of the mixing zone through a reflux pipeline, and a sludge discharge pipe is connected to the bottom of the settling zone.
The water distribution area is of a C-shaped structure with an opening at one side and surrounds the outer side of the settling area, and the water outlet pipe is arranged at the opening side of the water distribution area.
And a mixing stirrer is arranged in the mixing area.
The water inlet pipe is provided with a pipeline mixer.
The flocculation area is internally provided with a guide shell and a flocculation stirrer, and a stirring rod of the flocculation stirrer is inserted into the guide shell.
The return sludge pump is arranged in the equipment area, and the upper part of the equipment area is provided with a manhole.
The radial-flow efficient precipitation device can adopt a steel concrete combined structure or a steel integrated structure.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses owing to set up the water distribution district and set up the water distribution hole according to certain density and proportion around the settling zone, settling zone upper portion water catch bowl is the intercommunication all around and arranges, forms the radial flow formula flow state that all around advance to go out on the whole, can effectively improve settling zone water distribution homogeneity and stability, can strengthen the effect of coagulating sedimentation, promotes out water quality of water, saves the medicine and consumes.
2. The utility model discloses owing to install the pipeline mixer on the inlet tube in mixing area to with mixing agitator synergism, can strengthen the coagulation effect in mixing area, and can reduce the energy consumption and the coagulant consumption in mixing area.
3. The utility model discloses be fit for throwing the technology coupling with the magnetic and form magnetism and thoughtlessly congeal the technology, can further improve the thoughtlessly congeal play water effect of magnetism.
The utility model can discharge radial flow state through the circumference formed by the circumferentially arranged water distribution holes and the water collection tank, thereby ensuring the water distribution uniformity and stability of the settling zone; the method can also save the medicine consumption, strengthen the coagulating sedimentation effect and improve the quality of the effluent, and can be applied to the field of sewage treatment or tap water treatment.
Drawings
FIG. 1 is a plan view of a radial-flow high-efficiency sedimentation device for circumferential inlet and circumferential outlet of the present invention;
fig. 2 is a cross-sectional view of the radial-flow type high-efficiency sedimentation device for circumferential inlet and circumferential outlet of the utility model.
In the figure, a water inlet pipe 1, a mixing zone 2, a flocculation zone 3, a water distribution zone 4, water distribution holes 5, a settling zone 6, a water collecting tank 7, a water outlet pipe 8, a mixing stirrer 9, a guide cylinder 10, a flocculation stirrer 11, an inclined plate 12, a mud scraper 13, a manhole 14, an equipment zone 15, a reflux sludge pump 16 and a sludge discharge pipe 17.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to the attached drawings 1 and 2, the radial-flow type efficient sedimentation device with circumferential inlet and circumferential outlet comprises a mixing zone 2, a flocculation zone 3, a water distribution zone 4, a sedimentation zone 6, a water collecting tank 7, a return sludge pump 16 and a sludge discharge pipe 17; the top of the mixing zone 2 is provided with a water inlet and is externally connected with a water inlet pipe 1, the water inlet and the coagulant at the front end are input into the mixing zone 2 through the water inlet pipe 1, as shown by hollow arrows at the left side in the attached drawings 1 and 2, and the coagulant liquid with a large amount of alum floc is formed in the mixing zone 2; a water outlet is formed in the bottom of the mixing area 2, a water inlet is formed in the bottom of the flocculation area 3, the water outlet of the mixing area 2 is communicated with the water inlet of the flocculation area 3 through a pipeline, and a flocculating agent is thrown into the flocculation area 3, so that a flocculated liquid containing large flocs is formed in the flocculation area 3; the top of the flocculation area 3 is provided with a water through hole, the flocculation area 3 is communicated with the water distribution area 4 through the water through hole, and the flocculation liquid enters the water distribution area through the water through hole; the water distribution area 4 is arranged around the outer side of the sedimentation area 6, a plurality of water distribution holes 5 are uniformly distributed at the bottom of the water distribution area 4, so that the water distribution area 4 is communicated with the middle part of the sedimentation area 6 through the plurality of water distribution holes 5, and a flocculation liquid is input into the sedimentation area 6, as shown by an arrow at the middle part of the attached figure 2; the water collecting tank 7 is arranged on the inner side of the top of the settling zone 6 along the circumferential direction of the settling zone 6 and is communicated with the settling zone 6, and the water collecting tank 7 and the water distribution zone 4 form a radial flow type flow state of circumferential inlet and circumferential outlet; the water collecting tank 7 is externally connected with a water outlet pipe 8, an inclined plate 12 is arranged between the water collecting tank 7 and the water distribution holes 5, after the flocculated liquid is subjected to mud-water separation through the inclined plate 12, supernatant is collected through the water collecting tank 7 and is discharged through the water outlet pipe 8, and sludge sinks under the action of a sludge scraper 13 as shown by hollow arrows on the right side in the attached drawings 1 and 2; a sludge inlet of the return sludge pump 16 is communicated with the bottom of the sedimentation zone 6 through a return pipeline, a sludge outlet of the return sludge pump 16 is communicated with a water outlet of the mixing zone 2 through a return pipeline, so that the bottom sludge flows back and flows into the flocculation zone 3 after converging with the coagulation liquid, the flocculation effect can be enhanced, and the medicine consumption can be saved; a sludge discharge pipe 17 is connected to the bottom of the settling zone 6 for discharging bottom sludge.
The water distribution area 4 is of a C-shaped structure with an opening at one side and surrounds the outer side of the settling area 6, and the water outlet pipe 8 is arranged at the opening side of the water distribution area 4 to ensure that flocculated liquid is subjected to sufficient mud-water separation. As a preferred embodiment, the settling zone 6 can adopt a cuboid structure, the water distribution zone 4 is in a C-shaped structure, three channels are formed on the periphery of three side walls of the settling zone 6 and are communicated with the settling zone 6 through the uniformly distributed water distribution holes 5, the water collection tank 7 is in a rectangular annular structure and is arranged on the four inner walls of the settling zone 6 in a matching way, the water collection tank 7 and the settling zone 6 are arranged in a peripheral communication way, so that flocculated liquid in the settling zone 6 is subjected to mud-water separation through the inclined plates 12 or the inclined pipes, and the water outlet pipe 8 penetrates through the fourth side wall of the settling zone 6 and is connected with the water collection tank 7.
The mixing zone 2 is internally provided with a mixing stirrer 9, preferably, a stirring rod of the mixing stirrer 9 is coaxially inserted into the bottom of the mixing zone 2, so that the rotating speed can be effectively adjusted to further mix the coagulant with the front inlet water.
The water inlet pipe 1 is provided with a pipeline mixer (not shown in the figure) which forms a synergistic effect with the mixing area 2, the front end inlet water and the coagulant are quickly and fully mixed in the pipeline mixer and then enter the mixing area 2 through the water inlet pipe 1, the coagulation effect of the mixing area 2 can be enhanced, and the energy consumption and the coagulant drug consumption of the mixing area 2 can be reduced.
Flocculation district 3 in be equipped with draft tube 10 and flocculation agitator 11, the stirring rod coaxial insertion of flocculation agitator 11 is in draft tube 10, preferred, draft tube 10 and the coaxial setting of flocculation agitator 11 are at the middle part of flocculation district 3, the upflow agitator of prior art can be adopted to flocculation agitator 11, the mixed liquid that gets into flocculation district 3 with rub into the flocculating agent in flocculation district 3 under the stationary flow of draft tube 10, the water conservancy diversion effect and the upflow stirring effect of flocculation agitator 11, the sufficient flocculation formation contains the flocculation liquid of big flocculating constituent.
The return sludge pump 16 is arranged in the equipment area 15, the manhole 14 is arranged at the upper part of the equipment area 15, preferably, the two manholes 14 are distributed at two sides of the mixing area 2, and daily maintenance and overhaul are facilitated.
The radial-flow efficient precipitation device can be coupled with a magnetic powder adding process, and only the magnetic powder is added into the mixing area 2, so that the coagulating sedimentation effect is further enhanced, and the effluent quality is improved.
The radial-flow efficient precipitation device can adopt a steel concrete combined structure or a steel integrated structure, and the selection of the specific structural style can be determined according to the conditions of water treatment scale, actual requirements and the like.
In actual operation, can select specification, material and the quantity that is used for the pipeline of connecting between each functional area according to the medium flow and the characteristic of actual processing, carry out the connection of conventional mode between each functional area or the equipment through the pipeline of suitable specification and make it realize solid-liquid medium's transport, the utility model discloses no longer describe repeatedly.
The utility model discloses a theory of operation: firstly, the front end water inlet and a coagulant are quickly and fully mixed in a pipeline mixer and then enter a mixing zone 2 through a water inlet pipe 1, a coagulation liquid with a large amount of alum flocs is formed under the stirring action of a mixing stirrer 9, then the coagulation liquid and return sludge conveyed from the bottom of a settling zone 6 through a return sludge pump 16 are converged and enter a flocculation zone 3, then the coagulation liquid and the flocculant are fully flocculated in a guide cylinder 10 of the flocculation zone 3 under the ascending stirring of a flocculation stirrer 11, the formed flocculation liquid containing large flocs enters a water distribution zone 4 through water holes, the water is uniformly distributed to the settling zone 6 through peripheral water distribution holes 5 of the water distribution zone 4, and the water distribution holes 5 can be arranged according to certain density and proportion according to the area of the settling zone, so that the uniformity and stability of water distribution can be ensured; after the sludge and water in the flocculation liquid in the sedimentation zone 6 are separated by an inclined plate 12 or an inclined pipe, supernatant is collected by a water collecting tank 7 and is externally connected with a water outlet pipe 8 for discharging, a sludge scraper 13 arranged in the sedimentation zone 6 enables sludge to sink, a part of the sinking sludge flows back to a connecting pipeline between the mixing zone 2 and the flocculation zone 3 through a return pipeline by a return sludge pump 16, and the return sludge pump 16 can be preferably a screw pump, so that the sludge reflux ratio can be adjusted, the coagulation effect is enhanced, and the medicine consumption is saved; the residual sinking sludge is discharged through a sludge discharge pipe 17.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (7)
1. A week advances week high-efficient sediment device of radial-flow type of going out, characterized by: comprises a mixing zone (2), a flocculation zone (3), a water distribution zone (4), a sedimentation zone (6), a water collecting tank (7), a return sludge pump (16) and a sludge discharge pipe (17); the water inlet of the mixing zone (2) is externally connected with a water inlet pipe (1), the water outlet of the mixing zone (2) is communicated with the water inlet of the flocculation zone (3) through a pipeline, and the flocculation zone (3) is communicated with the water distribution zone (4) through a water passing hole; the water distribution area (4) is arranged at the outer side of the settling area (6) in a surrounding way, and a plurality of water distribution holes (5) are uniformly distributed at the bottom of the water distribution area (4), so that the water distribution area (4) is communicated with the settling area (6) through the plurality of water distribution holes (5); the water collecting tank (7) is arranged on the inner side of the settling zone (6) along the circumferential direction of the settling zone (6) and is communicated with the settling zone (6), and the water collecting tank (7) and the water distribution zone (4) form a radial flow type flow state of circumferential inlet and circumferential outlet; the water collecting tank (7) is externally connected with a water outlet pipe (8), an inclined plate (12) is arranged between the water collecting tank (7) and the water distribution holes (5), a sludge inlet of the return sludge pump (16) is communicated with the bottom of the settling zone (6) through a return pipeline, a sludge outlet of the return sludge pump (16) is communicated with a water outlet of the mixing zone (2) through a return pipeline, and a sludge discharge pipe (17) is connected to the bottom of the settling zone (6).
2. The high efficiency perimeter-fed radial flow sedimentation device according to claim 1, wherein: the water distribution area (4) is of a C-shaped structure with an opening at one side and surrounds the outer side of the settling area (6), and the water outlet pipe (8) is arranged at the opening side of the water distribution area (4).
3. The high efficiency perimeter-fed radial flow sedimentation device according to claim 1, wherein: a mixing stirrer (9) is arranged in the mixing area (2).
4. The high efficiency perimeter-fed radial flow sedimentation device according to claim 1, wherein: the water inlet pipe (1) is provided with a pipeline mixer.
5. The high efficiency perimeter-fed radial flow sedimentation device according to claim 1, wherein: the flocculation area (3) is internally provided with a guide shell (10) and a flocculation stirrer (11), and a stirring rod of the flocculation stirrer (11) is inserted into the guide shell (10).
6. The high efficiency perimeter-fed radial flow sedimentation device according to claim 1, wherein: the return sludge pump (16) is arranged in the equipment area (15), and the upper part of the equipment area (15) is provided with a manhole (14).
7. The high efficiency perimeter-fed radial flow sedimentation device according to claim 1, wherein: the radial-flow efficient precipitation device is of a steel concrete combined structure or a steel integrated structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020721853.5U CN212655584U (en) | 2020-05-06 | 2020-05-06 | Radial-flow type efficient sedimentation device with circumferential inlet and circumferential outlet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020721853.5U CN212655584U (en) | 2020-05-06 | 2020-05-06 | Radial-flow type efficient sedimentation device with circumferential inlet and circumferential outlet |
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| CN212655584U true CN212655584U (en) | 2021-03-05 |
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| CN202020721853.5U Active CN212655584U (en) | 2020-05-06 | 2020-05-06 | Radial-flow type efficient sedimentation device with circumferential inlet and circumferential outlet |
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