CN111268777A - Novel self-cleaning inclined tube sedimentation tank - Google Patents
Novel self-cleaning inclined tube sedimentation tank Download PDFInfo
- Publication number
- CN111268777A CN111268777A CN201910021028.6A CN201910021028A CN111268777A CN 111268777 A CN111268777 A CN 111268777A CN 201910021028 A CN201910021028 A CN 201910021028A CN 111268777 A CN111268777 A CN 111268777A
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- Prior art keywords
- tank
- water
- sedimentation
- sludge
- tank body
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention discloses a novel self-cleaning inclined tube sedimentation tank, which comprises a tank body, wherein the tank body is divided into a coagulation area and a sedimentation area through a partition plate, and the partition plate is provided with a through hole; a water inlet is formed in the side wall of the upper part of the coagulation area, a driving motor is arranged in the center of the top of the coagulation area, a rotating shaft is arranged at the center line of the interior of the coagulation area, the upper end of the rotating shaft is connected with the driving motor, a plurality of groups of stirring blades are arranged at the lower end of the rotating shaft, a coagulant inlet is formed in one side of the top of the coagulation tank, and the coagulant inlet is communicated with a coagulant tank positioned on one side; the middle part is equipped with the pipe chute subassembly in the settling zone, and the settling zone bottom is equipped with four pyramid shape sludge hoppers, is provided with the sludge discharge pipe in the sludge hopper, is equipped with the delivery port on the settling zone lateral wall, and the delivery port passes through the second pipeline and communicates with the storage water tank that is located cell body one side, and the delivery port is located the top of pipe chute subassembly, and the below of pipe chute subassembly is provided with and is used for carrying out abluent mechanism of washing to the pipe chute subassembly. The equipment can efficiently precipitate sewage and ensure the quality of the discharged water.
Description
Technical Field
The invention relates to the technical field of sewage treatment equipment, in particular to a novel self-cleaning inclined tube sedimentation tank.
Background
Along with the development of modern society, links such as life and industrial production can all produce a large amount of waste water, and waste water directly gets into river or soil without handling the outflow, can bring huge harm to environment and human body, simultaneously also very big waste limited water resource. The inclined tube sedimentation tank is a sedimentation tank with inclined tubes in a sedimentation area, is a common device for removing suspended matters in sewage, is divided into a series of shallow sedimentation layers by inclined parallel tubes (sometimes honeycomb fillers can be used) in the sedimentation area of a horizontal flow type or vertical flow type sedimentation tank, and the treated and settled sludge moves and is separated in each sedimentation shallow layer.
The prior inclined tube sedimentation tank has the following defects in the use process: the final precipitation effect is poor due to the fact that the inflow speed is too high, and the effluent quality is poor; after long-time operation, the pipe chute is easily blocked and polluted by the sediment sludge, resulting in the unable effectual sediment of water from the swash plate exhaust, and then influences sewage treatment efficiency and quality.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a novel self-cleaning inclined tube sedimentation tank which can efficiently sediment sewage, ensures the quality of effluent water and has an online automatic cleaning function.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel self-cleaning inclined tube sedimentation tank comprises a tank body, wherein the tank body is divided into a coagulation area and a sedimentation area through a partition plate, the partition plate is provided with a through hole, and the coagulation area is communicated with the sedimentation area through the through hole; a water inlet is formed in the side wall of the upper part of the coagulation area, a water distribution weir groove is transversely formed in the tank body at the water inlet, a driving motor is arranged at the center of the top of the coagulation area, a rotating shaft is arranged at the center line of the inside of the coagulation area, the upper end of the rotating shaft is connected with an output shaft of the driving motor, a plurality of groups of stirring blades are arranged at the lower end of the rotating shaft, a coagulant inlet is formed in one side of the top of the coagulation tank, and the coagulant inlet is communicated with a coagulant tank positioned on one side of the tank;
an inclined pipe assembly is arranged in the middle of the sedimentation zone, a quadrangular pyramid sludge hopper is arranged at the bottom of the sedimentation zone, a sludge discharge pipe is arranged in the sludge hopper, a water outlet is arranged on the side wall of the sedimentation zone, an overflow weir groove is transversely arranged in the tank body at the water outlet, the water outlet is communicated with a water storage tank positioned on one side of the tank body through a second pipeline, the water outlet is positioned above the inclined pipe assembly, and a flushing mechanism for cleaning the inclined pipe assembly is arranged below the inclined pipe assembly;
the washing mechanism comprises a plurality of transversely-arranged mixing branch pipes, one ends of the mixing branch pipes are fixed on the inner wall of the tank body, the other ends of the mixing branch pipes are communicated with a mixing main pipe, the other end of the mixing main pipe penetrates through the inner wall of the tank body and is communicated with a water storage tank and an air source on one side of the tank body through an air inlet pipeline and an air inlet pipeline, and air holes are formed in the mixing branch pipes.
The further improvement is that the through hole is positioned between the inclined pipe assembly and the sludge hopper, and an electric control valve is arranged at the through hole. Through setting up the through-hole position, sewage is through abundant settlement treatment, then discharges through the delivery port, has improved the throughput of sedimentation tank, has shortened the sludge settling distance, and then has shortened the settling time, promotes the treatment effeciency.
The further improvement is that the air holes are uniformly distributed on the mixing branch pipes in a paired mode, and the included angle formed by the connection of the two air holes and the central axis of the mixing branch pipe is 90 degrees. The design improves the washing range and the washing effect of the air holes on suspended matters and sludge on the bottom and the lower part of the inclined tube assembly.
The further improvement is that the length of the inclined tube assembly is 1-1.5m, the water depth above the inclined tube assembly is 0.5-1m, and the water depth below the inclined tube assembly is 0.5 m. Can improve the sewage treatment capacity of the sedimentation tank and ensure the quality of the effluent.
The further improvement lies in that the sludge bucket is provided with a plurality of, and the interval of sludge bucket is equal.
In a further improvement, the inclined tube assembly forms an angle of 60 degrees with the horizontal plane. Is beneficial to the sliding of the sludge.
The further improvement is that the first pipeline, the second pipeline, the water inlet pipeline, the air inlet pipeline and the sludge discharge pipe are all provided with electric control valves.
The improved water quality detector is characterized in that the height of the water outlet in the vertical direction is lower than that of the water inlet, and a water quality detector is arranged at the water outlet.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, by arranging the coagulation area and the precipitation area, sewage is subjected to flocculation treatment in the coagulation area in advance and then enters the precipitation area for precipitation, so that the quality of effluent is ensured; the inclined pipe assembly is used for dividing the settling zone into a series of settling layers, sludge or flocculate in the sewage moves and separates in each shallow settling layer, and the sewage is subjected to full settling treatment and then is discharged through the water outlet, so that the treatment capacity of the settling tank is improved, the settling distance of the sludge is shortened, the settling time is shortened, and the treatment efficiency is improved; through setting up the structure of washing in the below of pipe chute subassembly to through control inflow and air input, spray rivers to pipe chute subassembly clearance from bottom to top with great injection area, wash away sedimentary mud in the pipe chute subassembly, the convenient regularly washs the pipe chute subassembly, and the cleaning performance is good, and is efficient, has guaranteed that the pipe chute subassembly is in the optimum state of subsiding always.
Drawings
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
FIG. 1 is a view showing the internal structure of an inclined tube sedimentation tank according to the present invention;
FIG. 2 is a top view of the inclined tube settling tank of the present invention;
FIG. 3 is a partial view of the flush mechanism of the present invention;
FIG. 4 is a cross-sectional view of a mixing leg of the present invention;
wherein the specific reference numerals are as follows: the device comprises a tank body 1, a partition plate 11, a through hole 12, an electric control valve 13, a coagulation area 2, a water inlet 21, a water distribution weir notch 22, a driving motor 23, a rotating shaft 24, a stirring blade 25, a coagulant inlet 26, a first pipeline 27, a coagulant box 28, a settling area 3, an inclined pipe assembly 31, a sludge hopper 32, a sludge discharge pipe 33, a water outlet 34, an overflow weir notch 35, a second pipeline 36, a water storage tank 37, a water quality detector 38, a flushing mechanism 4, a mixing branch pipe 41, an air hole 42, a mixing main pipe 43, a water inlet pipeline 44, an air inlet pipeline 45 and an air source 46.
Detailed Description
As shown in fig. 1 and 2, the invention provides a novel self-cleaning inclined tube sedimentation tank, which comprises a tank body 1, wherein the tank body 1 is divided into a coagulation area 2 and a sedimentation area 3 through a partition plate 11, a through hole 12 is formed in the partition plate 11, and the coagulation area 2 is communicated with the sedimentation area 3 through the through hole 12; be equipped with water inlet 21 on 2 upper portion lateral walls in coagulation district, the inside water distribution weir groove 22 that transversely is provided with of cell body 1 of water inlet 21 department, 2 top central authorities in coagulation district department are equipped with driving motor 23, 2 inside central line departments in coagulation district are equipped with axis of rotation 24, axis of rotation 24 upper end and driving motor 23 output shaft, 24 lower extremes of axis of rotation are equipped with multiunit stirring vane 25, coagulation pond top one side is equipped with coagulant entry 26, coagulant entry 26 is through first pipeline 27 and the coagulant case 28 intercommunication that is located cell body 1 one side, adopt coagulant to carry out preliminary treatment to waste water in coagulation district 2, make colloid and the fine suspended solid in the waste water condense into the flocculating constituent, then enter into sedimentation zone 3 through-hole 12 on partition plate 11 and carry out settlement treatment, further guaranteed water quality. The middle part in 3 is equipped with down tube subassembly 31 in the sedimentation zone, and the contained angle of down tube subassembly 31 and horizontal plane is 60, is favorable to the landing of mud. The bottom of the settling zone 3 is provided with a quadrangular pyramid-shaped sludge hopper 32, a sludge discharge pipe 33 is arranged in the sludge hopper 32, the sludge hopper 32 can be arranged in a plurality of ways, and the distance between the sludge hoppers 32 is equal. Be equipped with delivery port 34 on the 3 lateral walls in sedimentation zone, the inside overflow weir groove 35 that transversely is provided with of cell body 1 of delivery port 34 department, delivery port 34 through second pipeline 36 with be located the storage water tank 37 intercommunication of cell body 1 one side, delivery port 34 is located the top of pipe chute subassembly 31, the below of pipe chute subassembly 31 is provided with and is used for carrying out abluent mechanism 4 that washes to pipe chute subassembly 31.
As shown in fig. 3 and 4, the flushing mechanism 4 includes a plurality of transversely disposed mixing branch pipes 41, one end of each of the plurality of mixing branch pipes 41 is fixed on the inner wall of the tank body 1, the other end of each of the plurality of mixing branch pipes 41 is communicated with a mixing main pipe 43, the other end of the mixing main pipe 43 penetrates through the inner wall of the tank body 1 and is respectively communicated with a water storage tank 37 and an air source 46 located on one side of the tank body 1 through a water inlet pipeline 44 and an air inlet pipeline 45, and the mixing branch. Wherein, the gas pocket 42 is in pairs mode evenly distributed on mixing branch pipe 41, and the contained angle that two gas pockets 42 and mixing branch pipe 41 axis are connected is 90, and this kind of design has promoted gas pocket 42 to the washing scope and the washing effect of suspended solid and mud on pipe chute subassembly 31 bottom and lower part. The first pipeline 27, the second pipeline 36, the water inlet pipeline 44, the air inlet pipeline 45 and the sludge discharge pipe 33 are all provided with an electric control valve 13. After the sedimentation tank operates for a certain time, the electric control valves 13 on the water inlet pipeline 44 and the air inlet pipeline 45 control the water inflow and the air inflow entering the mixing branch pipe 41, water flow is sprayed to the gap of the inclined pipe assembly 31 from bottom to top by a large spraying area, and deposited sludge in the inclined pipe assembly 31 is washed away.
Wherein, the through hole 12 is positioned between the inclined pipe assembly 31 and the sludge hopper 32, and the through hole 12 is provided with an electric control valve 13. Through setting up through-hole 12 position, sewage is through abundant settlement treatment, then discharges through delivery port 34, has improved the throughput of sedimentation tank, has shortened the sludge settling distance, and then has shortened the settling time, promotes the treatment effeciency.
Wherein, the length of the inclined tube component 31 is generally 1-1.5m, the water depth above the inclined tube component 31 is 0.5-1m, and the water depth below the inclined tube component 31 is 0.5m, so that the sewage treatment capacity of the sedimentation tank can be improved, and the effluent quality can be ensured.
Wherein, the vertical direction height of delivery port 34 is less than water inlet 21, and delivery port 34 department is provided with water quality monitor 38, monitors the quality of delivery port 34 department quality of water through water quality monitor, controls the settling time of sewage, promotes the treatment effeciency of sedimentation tank.
According to the invention, by arranging the coagulation area 2 and the sedimentation area 3, sewage is subjected to flocculation treatment in advance in the coagulation area 2 and then enters the sedimentation area 3 for sedimentation, so that the quality of effluent water is ensured, the sedimentation area 3 is divided into a series of sedimentation layers by using the inclined pipe assembly 31, sludge or flocculates in the sewage move and separate in each sedimentation layer, the sewage is subjected to sufficient sedimentation treatment and then is discharged through the water outlet 34, the treatment capacity of the sedimentation tank is improved, the sedimentation distance of the sludge is shortened, the sedimentation time is further shortened, and the treatment efficiency is improved; after equipment operation a period, through setting up the structure of washing in the below of pipe chute subassembly 31 to through control inflow and air input, spray rivers to pipe chute subassembly 31 clearance from bottom to top with great injection area, erode sedimentary mud in the pipe chute subassembly 31, the convenient regularly washs pipe chute subassembly 31, and the cleaning performance is good, and is efficient, has guaranteed that pipe chute subassembly 31 utilization ratio is in optimum always.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (8)
1. A novel self-cleaning inclined tube sedimentation tank is characterized by comprising a tank body, wherein the tank body is divided into a coagulation area and a sedimentation area through a partition plate, the partition plate is provided with a through hole, and the coagulation area is communicated with the sedimentation area through the through hole; a water inlet is formed in the side wall of the upper part of the coagulation area, a water distribution weir groove is transversely formed in the tank body at the water inlet, a driving motor is arranged at the center of the top of the coagulation area, a rotating shaft is arranged at the center line of the inside of the coagulation area, the upper end of the rotating shaft is connected with an output shaft of the driving motor, a plurality of groups of stirring blades are arranged at the lower end of the rotating shaft, a coagulant inlet is formed in one side of the top of the coagulation tank, and the coagulant inlet is communicated with a coagulant tank positioned on one side of the tank;
an inclined pipe assembly is arranged in the middle of the sedimentation zone, a quadrangular pyramid sludge hopper is arranged at the bottom of the sedimentation zone, a sludge discharge pipe is arranged in the sludge hopper, a water outlet is arranged on the side wall of the sedimentation zone, an overflow weir groove is transversely arranged in the tank body at the water outlet, the water outlet is communicated with a water storage tank positioned on one side of the tank body through a second pipeline, the water outlet is positioned above the inclined pipe assembly, and a flushing mechanism for cleaning the inclined pipe assembly is arranged below the inclined pipe assembly;
the washing mechanism comprises a plurality of transversely-arranged mixing branch pipes, one ends of the mixing branch pipes are fixed on the inner wall of the tank body, the other ends of the mixing branch pipes are communicated with a mixing main pipe, the other end of the mixing main pipe penetrates through the inner wall of the tank body and is communicated with a water storage tank and an air source on one side of the tank body through an air inlet pipeline and an air inlet pipeline, and air holes are formed in the mixing branch pipes.
2. The novel self-cleaning inclined tube sedimentation tank of claim 1, wherein the through hole is located between the inclined tube assembly and the sludge bucket, and an electrically controlled valve is arranged at the through hole.
3. The novel self-cleaning inclined tube sedimentation tank of claim 1 or 2, wherein the air holes are uniformly distributed on the mixing branch tube in pairs, and the included angle between the two air holes and the central axis of the mixing branch tube is 90 °.
4. The novel self-cleaning tube chute settling tank of claim 3 wherein the length of the tube chute assembly is generally 1-1.5m, the depth of water above the tube chute assembly is 0.5-1m, and the depth of water below the tube chute assembly is 0.5 m.
5. The novel self-cleaning inclined tube sedimentation tank defined in claim 1, wherein the sludge bucket is provided in plurality, and the sludge buckets are equally spaced.
6. The novel self-cleaning tube chute settling tank of claim 1 wherein the angle of the chute assembly is 60 ° from the horizontal.
7. The novel self-cleaning inclined tube sedimentation tank of claim 1, wherein the first pipeline, the second pipeline, the water inlet pipeline, the air inlet pipeline and the sludge discharge pipe are provided with electrically controlled valves.
8. The novel self-cleaning inclined tube sedimentation tank of claim 1, wherein the water outlet is vertically lower than the water inlet, and a water quality detector is arranged at the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021028.6A CN111268777A (en) | 2019-01-09 | 2019-01-09 | Novel self-cleaning inclined tube sedimentation tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021028.6A CN111268777A (en) | 2019-01-09 | 2019-01-09 | Novel self-cleaning inclined tube sedimentation tank |
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| CN111268777A true CN111268777A (en) | 2020-06-12 |
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| CN201910021028.6A Pending CN111268777A (en) | 2019-01-09 | 2019-01-09 | Novel self-cleaning inclined tube sedimentation tank |
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| SU1699501A1 (en) * | 1990-01-25 | 1991-12-23 | Ташкентский Политехнический Институт Им.А.Р.Бируни | Lamellar settler |
| CN101016165A (en) * | 2006-02-09 | 2007-08-15 | 朱作远 | Preparing process for nanometer zinc oxide by glycerin atmosphere pressure crystallization method |
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| CN204996183U (en) * | 2015-08-24 | 2016-01-27 | 江苏圣富利环境工程有限公司 | Steel wastewater treatment facility water installations |
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| CN205730478U (en) * | 2016-05-13 | 2016-11-30 | 江门市东江环保技术有限公司 | A kind of inclined-tube sedimentation tank used for sewage treatment |
| CN108002600A (en) * | 2018-01-15 | 2018-05-08 | 西安西热水务环保有限公司 | A kind of integration coal water process high density clarifier |
| CN108585153A (en) * | 2018-07-12 | 2018-09-28 | 河南清波环境工程有限公司 | A kind of two layers of inclined tube of band gas flushing or plate coagulating sedimentation water cleaning systems |
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2019
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| SU1699501A1 (en) * | 1990-01-25 | 1991-12-23 | Ташкентский Политехнический Институт Им.А.Р.Бируни | Lamellar settler |
| CN101016165A (en) * | 2006-02-09 | 2007-08-15 | 朱作远 | Preparing process for nanometer zinc oxide by glycerin atmosphere pressure crystallization method |
| US20100098607A1 (en) * | 2008-10-17 | 2010-04-22 | Davis Matthew J | Use of silicon-containing polymers for improved flocculation of solids in processes for the production of alumina from bauxite |
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Application publication date: 20200612 |