CN216778203U - A sedimentation tank for sewage treatment - Google Patents
A sedimentation tank for sewage treatment Download PDFInfo
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- CN216778203U CN216778203U CN202220203843.1U CN202220203843U CN216778203U CN 216778203 U CN216778203 U CN 216778203U CN 202220203843 U CN202220203843 U CN 202220203843U CN 216778203 U CN216778203 U CN 216778203U
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Abstract
The application discloses a sedimentation tank for sewage treatment includes: the device comprises a buffer diversion pool, a pool body, an overflow pool, a conical bottom and a sludge discharge pipe; the buffer diversion pool is arranged on the first side wall of the pool body; the lower part of the buffer diversion tank is communicated with the side wall of the middle part of the tank body; the water inlet end of the buffering diversion tank is communicated with the liquid outlet end pipeline of the circulating sedimentation tank. The sedimentation tank is additionally arranged at the water outlet end of the circulating sedimentation tank, and the grid plate, the inclined plate and the filter screen are arranged in the tank body, so that the floating of micro bubbles contained in sewage is effectively prevented, and the content of suspended matters in overflow water exceeds the standard.
Description
Technical Field
The application relates to the technical field of sewage treatment, in particular to a sedimentation tank for sewage treatment.
Background
The existing inclined plate sedimentation tank is more than used for air flotation flocculation, the medicament is added into the medicament adding tank and then is uniformly stirred, so that the pollutants contained in the water body are flocculated, the pollutants are separated out in a solid form and then enter the air flotation tank to be adsorbed by micro bubbles floating underwater, and the impurities and the dirt are removed through floating.
The existing inclined plate sedimentation tank is mainly used for the water body after air floatation, and the existing water body still contains a large amount of micro bubbles after being treated, so that the content of suspended matters in the drainage water of different treatment batches exceeds the standard, the treated water body cannot be directly discharged, the treatment cost is increased, and the treatment efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The application provides a sedimentation tank for sewage treatment for solve the technical problem that the effluent suspended solid content of the sedimentation tank existing in the prior art exceeds standard and leads to the unable direct discharge of sewage after treatment.
The application provides a sedimentation tank for sewage treatment, includes: the device comprises a buffer diversion pool, a pool body, an overflow pool, a conical bottom and a sludge discharge pipe; the buffer diversion pool is arranged on the first side wall of the pool body; the lower part of the buffer diversion tank is communicated with the side wall of the middle part of the tank body; the water inlet end of the buffering diversion tank is communicated with a liquid outlet end pipeline of the circulating sedimentation tank;
the second side wall of the tank body is provided with an overflow tank, and the side wall of the overflow tank is communicated with an overflow port on the upper side wall of the second side wall of the tank body;
the cell body comprises: an overflow area, a grid area and an inclined baffle area; the overflow area is arranged at the upper part of the tank body; the grid area is arranged in the middle of the tank body; the inclined blocking area is arranged at the lower part of the tank body; the conical bottom is arranged on the bottom surface of the tank body and is communicated with the sludge discharge pipe;
the overflow area comprises: filtering with a screen; the filter screen is arranged on the bottom surface of the overflow area, and the overflow area is communicated with the grid area;
the grid region includes: the grid plate is arranged on the bottom surface of the grid area; an inclined blocking area is arranged below the grid plate and communicated with the grid area;
the tank body liquid inlet is arranged below the grid plate.
Preferably, the ramp region includes: a plurality of inclined baffles; the inclined baffles are arranged in the inclined baffle area in parallel; the sewage flows through the first side wall of the inclined baffle and flows into the cone bottom along the inclined baffle.
Preferably, the opposite side walls of the oblique baffle area are arranged in parallel with the oblique baffle plate.
Preferably, the inclined baffle includes: the device comprises an inclined plate, a flow baffle, a flow guide plate and a plurality of chutes; the inclined plate is obliquely arranged in the inclined blocking area; the flow baffle vertical inclined plate is arranged on the top surface of the inclined plate and vertically extends towards the overflow area; the guide plate is vertical to the inclined plate and arranged on the bottom surface of the inclined plate and extends towards the conical bottom; the plurality of chutes are arranged on the inclined plate at intervals and penetrate through the opposite side walls of the inclined plate.
Preferably, the ramp region includes: the fender is arranged between the cone bottoms of the inclined blocking areas and communicated with the inclined blocking areas and the cone bottoms; the mudguard is provided with a water outlet.
Preferably, the fender includes: and the liquid outlets are arranged on the baffle at intervals and are just opposite to the bottom surface of each inclined baffle.
Preferably, the side wall of the lower part of the buffer diversion pool is provided with a liquid outlet through groove, and the liquid outlet through groove is arranged right opposite to the upper part of the inclined baffle area.
The beneficial effects that this application can produce include:
1) the utility model provides a sedimentation tank for sewage treatment is served through the play water at circulation sedimentation tank and is add this sedimentation tank to set up grid plate, swash plate and filter screen in the cell body, effectively block the micro-bubble come-up that contains in the sewage, lead to overflow water suspended solid content to exceed standard.
2) The application provides a sedimentation tank for sewage treatment, the swash plate lower part sets up the awl end, can effectively collect mud to set up the baffle between awl end and swash plate district, avoid the mud come-up once more after the separation to lead to going out the water pollution, can effectively prolong the blowdown time, keep the water clean when reducing the mud frequency of arranging, realize discharge to reach standard.
Drawings
FIG. 1 is a schematic front view of a settling tank for sewage treatment according to the present application;
fig. 2 is a schematic perspective view of a grid plate provided in the present application;
fig. 3 is a schematic perspective view of the swash plate provided in the present application;
illustration of the drawings:
10. a water inlet pipe; 11. a buffer diversion pool; 111. a liquid outlet through groove; 112. a tank body; 114. an overflow tank; 113. filtering with a screen; 115. a grid plate; 12. a bevel gear area; 121. an inclined baffle plate; 122. a fender; 123. a liquid outlet; 13. a conical bottom; 131. a sludge discharge pipe; 126. a chute; 124. a flow baffle plate; 125. a baffle; 127. a sloping plate; 118. grid grooves.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. The components of embodiments of the present invention 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 present invention, 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Technical means which are not described in detail in the present application and are not used for solving the technical problems of the present application are all arranged according to common knowledge in the field, and various common knowledge arrangement modes can be realized.
Referring to fig. 1 to 3, the present application provides a sedimentation tank for sewage treatment, including: the device comprises a buffer diversion tank 11, a tank body 112, an overflow tank 114, a conical bottom 13 and a mud pipe 131; the buffer diversion tank 11 is arranged on a first side wall of the tank body 112; the lower part of the buffer diversion tank 11 is communicated with the side wall of the middle part of the tank body 112; the water inlet end of the buffering diversion tank 11 is communicated with a liquid outlet end pipeline of the circulating sedimentation tank;
an overflow tank 114 is arranged on the second side wall of the tank body 112, and the side wall of the overflow tank 114 is communicated with an overflow port on the upper side wall of the second side wall of the tank body 112;
the tank body 112 includes: an overflow zone, a grid zone and a sloped baffle zone 12; the overflow area is arranged at the upper part of the tank body 112; the grid area is arranged in the middle of the tank body 112; the inclined baffle area 12 is arranged at the lower part of the tank body 112; the conical bottom 13 is arranged on the bottom surface of the tank body 112 and communicated with the sludge discharge pipe 131;
the overflow area includes: a screen 113; the filter screen 113 is arranged on the bottom surface of the overflow area, and the overflow area is communicated with the grid area;
the grid area includes: a grid plate 115, the grid plate 115 being disposed on a bottom surface of the grid region; an inclined blocking area 12 is arranged below the grid plate 115, and the inclined blocking area 12 is communicated with the grid area;
a liquid inlet of the tank body 112 is arranged below the grid plate 115.
Intake through the middle part that sets up at cell body 112, upper portion lateral wall goes out water, can guarantee the effective flocculation of suspended solid and subside, sewage inlet sets up behind grid plate 115 below simultaneously, can carry out the dual filtration through grid plate 115 and filter screen 113 to the suspended solid that contains in the sewage, make the bubble that contains in the sewage break the back, realize that the suspended solid subsides and get into and keep off district 12 to one side, subside here, thereby effectively reduce the aquatic suspended solid content, realize the normal discharge of sewage, improve sewage treatment efficiency, realize the normal processing and the emission of sewage.
The used circulation sedimentation tank of this application is circulation sedimentation tank commonly used among the prior art, and concrete structure does not describe here tiredly, sets up a plurality of horizontal parting beads in cell body 112 for example, and sewage realizes flocculating the filth and subsides when adjacent parting bead flows.
Preferably, the ramp region 12 comprises: a plurality of inclined baffles 121; the inclined baffles 121 are arranged in parallel in the inclined baffle area 12; the sewage flows through the first side wall of the inclined baffle plate 121 and flows into the conical bottom 13 along the inclined baffle plate 121. The inclined baffle 121 is arranged according to the method, so that sewage can be guided, micro-bubbles in the sewage can be squeezed, separation and sedimentation of suspended matters in the sewage are facilitated, the removal efficiency of the suspended matters in the sewage is improved, and the content of the suspended matters in drainage is reduced.
Preferably, the opposite side walls of the slanted stop area 12 are arranged in parallel with the slanted stop plate 121. According to this setting can reduce the sewage area of flowing through, further extrudees the microbubble place space, improves the suspended solid and goes out efficiency of appearing.
Preferably, the inclined baffle 121 includes: a sloping plate 127, a baffle plate 124, a baffle 125, a plurality of chutes 126; the inclined plate 127 is obliquely arranged in the inclined blocking area 12; the flow baffle 124 is arranged on the top surface of the inclined plate 127 and extends vertically to the overflow area; the guide plate 125 is arranged on the bottom surface of the inclined plate 127 and extends towards the conical bottom 13; a plurality of inclined grooves 126 are provided on the inclined plate 127 at intervals, and are provided through opposite sidewalls of the inclined plate 127.
According to the arrangement, after sewage enters from the buffer diversion tank 11, the flow baffle plate 124 buffers and reduces the low water flow speed to reduce the generation amount of bubbles, the sewage enters a gap between adjacent inclined plates 127 or a gap between the adjacent inclined plates 127 and the side wall under the action of gravity and moves downwards along the inclined plates 127 or flows into the lower part of the inclined plates 127 through the inclined grooves 126, and when the sewage passes through the inclined grooves 126, the bubbles are extruded and broken to realize natural settling separation of suspended matters.
Preferably, the ramp region 12 comprises: the mudguard 122, the mudguard 122 is arranged between the cone bottoms 13 in the inclined blocking area 12, and communicates the inclined blocking area 12 and the cone bottoms 13; the mud guard 122 is provided with a water outlet.
Preferably, the fender 122 includes: and the liquid outlets 123 are arranged on the baffle plates at intervals and are opposite to the bottom surfaces of the inclined baffle plates 121. According to the arrangement, the sedimentation speed of the treated sludge can be improved, and the sludge in the cone bottom 13 can be prevented from being overturned under the impact of the sewage, so that the lower-layer water is polluted and the effluent quality is influenced. Can prevent the sludge from contacting with the water body, prolong the sludge discharge time interval and reduce the sludge discharge frequency.
Preferably, a liquid outlet through groove 111 is formed in the side wall of the lower portion of the buffer diversion pool 11, and the liquid outlet through groove 111 is arranged over the inclined baffle area 12. According to the arrangement, sewage firstly enters the inclined blocking area 12 to be effectively treated, then overflows and floats upwards, the overflow water yield of suspended matters is reduced, and the quality of a sewage body is improved.
In one embodiment, the grid plate 115 is provided with a plurality of grid grooves 118 at intervals, and when sewage passes through each grid groove 118, the flow rate of flocculates is reduced and the flocculates are settled.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (7)
1. A sedimentation tank for sewage treatment, comprising: the device comprises a buffer diversion pool (11), a pool body (112), an overflow pool (114), a conical bottom (13) and a sludge discharge pipe (131); the buffer diversion pool (11) is arranged on the first side wall of the pool body (112); the lower part of the buffer diversion pool (11) is communicated with the side wall of the middle part of the pool body (112); the water inlet end of the buffering diversion pool (11) is communicated with a liquid outlet end pipeline of the circulating sedimentation pool;
an overflow tank (114) is arranged on the second side wall of the tank body (112), and the side wall of the overflow tank (114) is communicated with an overflow port on the upper side wall of the second side wall of the tank body (112);
the tank body (112) comprises: an overflow area, a grid area and a sloping baffle area (12); the overflow area is arranged at the upper part of the tank body (112); the grid area is arranged in the middle of the tank body (112); the inclined blocking area (12) is arranged at the lower part of the tank body (112); the conical bottom (13) is arranged on the bottom surface of the tank body (112) and is communicated with the sludge discharge pipe (131);
the overflow area comprises: a screen (113); the filter screen (113) is arranged on the bottom surface of the overflow area, and the overflow area is communicated with the grid area;
the grid region includes: the grid plate (115), the grid plate (115) is set up on the bottom surface of the grid area; an inclined blocking area (12) is arranged below the grid plate (115), and the inclined blocking area (12) is communicated with the grid area;
the liquid inlet of the tank body (112) is arranged below the grid plate (115).
2. A sedimentation tank for sewage treatment according to claim 1, characterised in that the ramp (12) comprises: a plurality of inclined baffles (121); the inclined baffles (121) are arranged in the inclined baffle area (12) in parallel; the sewage flows through the first side wall of the inclined baffle plate (121) and flows into the cone bottom (13) along the inclined baffle plate (121).
3. A sedimentation tank for sewage treatment according to claim 1, characterised in that the opposite side walls of the slanted baffle area (12) are arranged in parallel with the slanted baffle (121).
4. A sedimentation tank for sewage treatment according to claim 2, characterised in that the inclined baffle (121) comprises: the device comprises a sloping plate (127), a flow baffle plate (124), a flow guide plate (125) and a plurality of chutes (126); the inclined plate (127) is obliquely arranged in the inclined blocking area (12); the flow baffle (124) is vertical to the inclined plate (127) and is arranged on the top surface of the inclined plate (127) and vertically extends towards the overflow area; the guide plate (125) is vertical to the inclined plate (127) and arranged on the bottom surface of the inclined plate (127) and extends towards the conical bottom (13); the plurality of inclined grooves (126) are arranged on the inclined plate (127) at intervals and penetrate through the opposite side walls of the inclined plate (127).
5. A sedimentation tank for sewage treatment according to claim 1, characterised in that the ramp (12) comprises: the fender (122) is arranged between the oblique blocking area (12) and the cone bottom (13) and communicated with the oblique blocking area (12) and the cone bottom (13); the mud guard (122) is provided with a water outlet.
6. A sedimentation tank for sewage treatment according to claim 5, wherein the mudguard (122) comprises: the liquid outlets (123) are arranged on the baffle plates at intervals and are opposite to the bottom surfaces of the inclined baffle plates (121).
7. A sedimentation tank for sewage treatment according to claim 5, wherein the side wall of the lower part of the buffer diversion tank (11) is provided with a liquid outlet through groove (111), and the liquid outlet through groove (111) is arranged right opposite to the upper part of the inclined baffle area (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220203843.1U CN216778203U (en) | 2022-01-25 | 2022-01-25 | A sedimentation tank for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220203843.1U CN216778203U (en) | 2022-01-25 | 2022-01-25 | A sedimentation tank for sewage treatment |
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| Publication Number | Publication Date |
|---|---|
| CN216778203U true CN216778203U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220203843.1U Active CN216778203U (en) | 2022-01-25 | 2022-01-25 | A sedimentation tank for sewage treatment |
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| Country | Link |
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| CN (1) | CN216778203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116655079A (en) * | 2023-07-31 | 2023-08-29 | 江苏通用环保集团有限公司 | Floating drainage efficient sedimentation tank |
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2022
- 2022-01-25 CN CN202220203843.1U patent/CN216778203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116655079A (en) * | 2023-07-31 | 2023-08-29 | 江苏通用环保集团有限公司 | Floating drainage efficient sedimentation tank |
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