CN110422917B - Coagulating sedimentation water purifying device - Google Patents

Coagulating sedimentation water purifying device Download PDF

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Publication number
CN110422917B
CN110422917B CN201910699137.3A CN201910699137A CN110422917B CN 110422917 B CN110422917 B CN 110422917B CN 201910699137 A CN201910699137 A CN 201910699137A CN 110422917 B CN110422917 B CN 110422917B
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tank
water
flocculation
inclined plate
sedimentation
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CN110422917A (en
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姚萌
冉治霖
南军
李绍峰
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Shenzhen Institute of Information Technology
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Shenzhen Institute of Information Technology
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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
    • C02F1/5281—Installations for water purification using chemical agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The invention provides a coagulating sedimentation water purifying device, which comprises a first flocculation tank for mixing a flocculating agent with water, a second flocculation tank for coagulating solid matters in the water into floccules, and a sedimentation tank for settling the floccules, wherein the first flocculation tank, the second flocculation tank and the sedimentation tank are sequentially communicated, stirring devices for stirring water flow and samplers for sampling are arranged in the first flocculation tank and the second flocculation tank, and the coagulating sedimentation water purifying device also comprises an online monitor for monitoring the change of the particle state of a water sample taken by the samplers in real time and a pump body for enabling the water sample to enter the online monitor. The coagulating sedimentation water purifying device provided by the invention can monitor the change of the particle states in the first flocculating tank and the second flocculating tank in real time, the detection indexes are increased, the detection precision is higher, and an operator can know the change of water quality in time conveniently.

Description

Coagulating sedimentation water purifying device
Technical Field
The invention belongs to the technical field of feedwater treatment, and particularly relates to a coagulating sedimentation water purifying device.
Background
In the feedwater treatment process, suspended solids and colloidal matter are typically treated by a coagulation sedimentation process. The coagulating sedimentation method is that a flocculating agent is added into raw water and mixed, and then the raw water enters a coagulating reaction tank for flocculation reaction. The solid particles are condensed into larger floccules and finally enter a sedimentation tank for sedimentation. Traditional coagulating sedimentation monitoring process, the majority uses the effluent turbidity as the monitoring index, and kind simplification and result are coarse, can not be timely when leading to quality of water to worsen obtain the feedback. And the sampling and the appearance process of surveying are mostly manual operation, and the error is great, and work is also comparatively loaded down with trivial details.
Disclosure of Invention
The invention aims to provide a coagulating sedimentation water purifying device to solve the technical problems of single type and large error of monitoring indexes of coagulating sedimentation in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a coagulating sedimentation purifier, including the first flocculation basin that is used for mixing flocculating agent and water, be used for making the solid in aqueous condense into the second flocculation basin of flocculus and be used for making the sedimentation tank that the flocculus subsides, first flocculation basin, second flocculation basin and the sedimentation tank communicates in proper order, all be equipped with the agitating unit who is used for stirring rivers in first flocculation basin and in the second flocculation basin and be used for the sampler of sample, coagulating sedimentation purifier still includes the online monitor that is used for real-time supervision the granule state of the water sample that the sampler was got changes and is used for making the water sample get into the pump body of online monitor.
Further, the pump body, the on-line detector and the sampler are connected in sequence.
Further, the coagulating sedimentation water purification device further comprises a third flocculation tank for crushing the floccules, wherein the first flocculation tank, the second flocculation tank, the third flocculation tank and the sedimentation tank are sequentially communicated, and the third flocculation tank is internally provided with the stirring device and the sampler.
Further, the quantity of second flocculation basin is two, just first flocculation basin and its adjacent between the second flocculation basin, two between the second flocculation basin, third flocculation basin and its adjacent all be equipped with the baffle between the second flocculation basin, every all be equipped with the delivery port on the baffle, each the baffle the delivery port is crisscross the setting from top to bottom, makes the rivers direction certainly first flocculation basin extremely the third flocculation basin is the S-shaped.
Further, a buffer tank is arranged between the third flocculation tank and the sedimentation tank.
Further, the sedimentation tank comprises a sludge zone for containing the flocculates, a filtering zone for filtering the flocculates and a water outlet zone for overflowing, which are arranged from bottom to top.
Furthermore, the filtering area comprises a water distribution area, a first inclined plate area and a second inclined plate area which are arranged along the water flow direction, a lower inclined plate group is arranged in the first inclined plate area, an upper inclined plate group is arranged in the second inclined plate area, and the inclined directions of the lower inclined plate group and the upper inclined plate group are opposite.
Further, the lower inclined plate group comprises a plurality of first inclined plates which are arranged in parallel, the upper inclined plate group comprises a plurality of second inclined plates which are arranged in parallel, and the distance between every two adjacent first inclined plates is larger than the distance between every two adjacent second inclined plates.
Further, the filtering area also comprises a transition area arranged between the first inclined plate area and the second inclined plate area, so that the lower inclined plate group and the upper inclined plate group are arranged at intervals.
Further, the transition zone increases in cross-sectional area from its bottom to its top.
The coagulating sedimentation water purifying device provided by the invention has the beneficial effects that: compared with the prior art, the coagulating sedimentation water purifying device comprises a first flocculating tank for mixing a flocculating agent and water, a second flocculating tank for condensing solid matters in the water into floccules and a sedimentation tank for settling the floccules, wherein samplers are arranged in the first flocculating tank and the second flocculating tank, a sample taken out by the sampler is conveyed to an online monitor by adopting a pump body, and the online monitor is used for detecting the state change of particles in the sample.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a front view of a coagulating sedimentation water purifying device provided in an embodiment of the present invention;
FIG. 2 is a top view of a coagulating sedimentation water purifying device provided in an embodiment of the present invention;
FIG. 3 is a front view of a settling tank provided in an embodiment of the present invention;
fig. 4 is a top view of the water outlet plate according to the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-a first flocculation tank; 2-a second flocculation tank; 3-a third flocculation tank; 4-a buffer pool; 5-a sedimentation tank; 51-a sludge zone; 52-water distribution area; 53-first ramp region; 531-a first sloping plate; 54-a transition zone; 55-a second ramp region; 551-a second inclined plate; 56-water outlet area; 560-water outlet plate; 5601-perforation; 5602-an overflow weir; 5603-a water collection tank; 6-a stirring device; 61-a motor; 62-a stirrer; 7-a sampler; 8-an online monitor; 9-a pump body; 10-a self-priming pump; 11-a separator; 110-water outlet.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 and 2, a coagulating sedimentation water purifying device according to an embodiment of the present invention will now be described. In one embodiment, the coagulating sedimentation water purifying device comprises a first flocculation tank 1, a second flocculation tank 2 and a sedimentation tank 5. The first flocculation tank 1, the second flocculation tank 2 and the sedimentation tank 5 are communicated in sequence. All be equipped with agitating unit 6 in first flocculation basin 1 and the second flocculation basin 2. The first flocculation tank 1 is used for mixing a flocculating agent with water, the second flocculation tank 2 is used for coagulating solid matters in the water into floccules, and the sedimentation tank 5 is used for settling the floccules. More specifically, after water to be treated entered first flocculation basin 1 through the effect of self priming pump 10, will go into the flocculating agent in first flocculation basin 1, agitating unit 6 with flocculating agent and water stirring mixing and get into second flocculation basin 2, agitating unit 6 in the second flocculation basin 2 continuously stirs, makes the solid of aquatic constantly condense and form the flocculus, the flocculus gets into and deposits gradually behind the sedimentation tank 5, water after handling also flows out from sedimentation tank 5 gradually. Coagulating sedimentation purifier still includes on-line monitor 8 and pump body 9, all is equipped with sampler 7 in first flocculation basin 1 and the second flocculation basin 2, and sampler 7 is used for acquireing the water sample, and on-line monitor 8 is used for real-time supervision the particle state change of the sample of getting of sampler 7, and pump body 9 is used for impeling rivers to flow, and makes the water sample of acquireing get into on-line monitor 8 to supply on-line monitor 8 to detect. The sampler 7 in the first flocculation tank 1 can obtain a water sample in the first flocculation tank 1, so as to obtain the state of solid after the flocculant and water in the first flocculation tank 1 are mixed; the sampler 7 in the second flocculation tank 2 can take a water sample in the second flocculation tank 2, thereby taking the state of the flocs in the second flocculation tank 2. In this embodiment, sampling and detection are accomplished by controller control pump body 9 and on-line monitoring ware 8, need not manual operation, have greatly reduced the human cost, have also avoided the detection error that manual detection brought.
The invention provides a coagulating sedimentation water purifying device, which comprises a first flocculation tank 1 for mixing a flocculating agent and water, a second flocculation tank 2 for coagulating solid matters in the water into floccules and a sedimentation tank 5 for settling the floccules, wherein a sampler 7 is arranged in the first flocculation tank 1 and the second flocculation tank 2, a sample taken out by the sampler 7 is conveyed to an online monitor 8 by adopting a pump body 9, and the online monitor 8 is used for detecting the change of the particle state in the sample, so that the online monitor 8 can monitor the change of the particle state in the first flocculation tank 1 and the second flocculation tank 2 in real time, the detection index is increased, the detection precision is higher, and an operator can know the change of the water quality in time.
In one embodiment, each sampler 7 is provided with an online monitor 8 and a pump body 9 connected with the sampler, and the water flow circuit of each sampler 7 is independently arranged, so that the water flow in each circuit is not interfered. In another embodiment, the samplers 7 are connected in parallel, so that the samplers 7 share the same online monitor 8 and pump body 9, thereby saving the cost of the monitoring instrument.
In one embodiment, the pump body 9, the online monitor 8 and the sampler 7 are connected in sequence. In this embodiment, the pump body 9 is disposed at the rear end of the online monitor 8, when the pump body 9 works, the water sample firstly flows into the online monitor 8 from the sampler 7 and then passes through the pump body 9, if the water sample firstly enters the pump body 9, floccules in the water sample may be broken under the pressure of the pump body 9, and the number and state of floccules entering the online monitor 8 are changed, so that the detection result is inaccurate.
Optionally, the online monitor 8 is a particle counter for detecting the number of particles in the water sample. The particle counter may be selected from a counter model PCX 2200. The sampler 7 can be selected as an electromagnetic valve, and when the electromagnetic valve is opened, the sampling can be carried out from the flocculation tank. The pump body 9 can be selected as a peristaltic pump, fluid in the peristaltic pump is isolated in a pump pipe, the pump pipe can be replaced rapidly, and the maintenance cost is low.
In one embodiment, the coagulating sedimentation water purifying device further comprises a third flocculation tank 3, wherein the third flocculation tank 3 is used for crushing floccules, so that the floccules with larger sizes are crushed in the third flocculation tank 3 to form floccule particles with uniform sizes, the shapes of the floccules are approximately the same, later-stage sedimentation is facilitated, and the sedimentation effect is improved and enhanced. First flocculation basin 1, second flocculation basin 2, third flocculation basin 3 and sedimentation tank 5 communicate in proper order, and the floc after the breakage gets into sedimentation tank 5 from third flocculation basin 3, waits to deposit. Also be equipped with agitating unit 6 and sampler 7 in the third flocculation basin 3, agitating unit 6 in the third flocculation basin 3 is used for broken flocculus, and the setting up of sampler 7 makes the state of the flocculus in the third flocculation basin 3 monitor, richens the monitoring index.
More specifically, the stirring device 6 comprises a motor 61, a rotating shaft connected with the output end of the motor 61 and a stirrer 62 connected with the rotating shaft, wherein when the motor 61 works, the rotating shaft drives the stirrer 62 to rotate and work. The stirrer 62 in the first flocculation tank 1 is used for stirring the flocculant and water uniformly, the stirrer 62 in the second flocculation tank 2 is used for accelerating the formation of flocs, and the stirrer 62 in the third flocculation tank 3 is used for crushing the flocs. The blades of the agitator 62 are cross-shaped blades, and the blades are arranged obliquely, i.e., the plane in which the blades are arranged is arranged at a predetermined angle with respect to the horizontal plane, and the predetermined angle may be selected from 20 °, 25 °, 30 °, and the like. The G value of each flocculation tank is controlled by adjusting the rotating speed of the stirrer 62, so that the function of each flocculation tank is realized. Where G represents the velocity gradient of the water flow and represents the characteristics of the water flow during the simulation. Wherein the content of the first and second substances,
Figure BDA0002150278250000061
ε - -effective energy consumption per unit volume of fluid (m) per unit time2/s3)；
V- -coefficient of viscosity of water, value 0.0114X 10 at 15 deg.C-4m2/s；
Np- -the power standard of the paddle, provided by the manufacturer, 3.8 from the test;
n- -Paddle rotational speed (rps);
d- -diameter of paddle of stirring paddle, 5X 10 is taken in test-2m；
V- -volume of liquid in vessel, m3。
Where the agitator 62 may produce different velocity gradient G values at different rotational speeds, GT is the product of the velocity gradient G and the residence time T as shown in table 1.
TABLE 1 speed gradient G values at different rotational speeds
Figure BDA0002150278250000062
In one embodiment, the stirring speed of the stirrer 62 in the first flocculation tank 1 is 700r/min, and the corresponding G value is 505s-1(ii) a The stirring speed of the stirrer 62 in the second flocculation tank 2 is 180r/min, and correspondingly the G value is 66s-1(ii) a The stirring speeds of the stirrers 62 in the third flocculation tank 3 are respectively 90r/min, and the corresponding G values are 23s-1。
In one embodiment, the number of the second flocculation tanks 2 is two to ensure sufficient flocculation of the flocs. The first flocculation tank 1, one of them second flocculation tank 2, another second flocculation tank 2, third flocculation tank 3 and sedimentation tank 5 communicate the setting in proper order. Between first flocculation basin 1 and its adjacent second flocculation basin 2, between two second flocculation basins 2, all be equipped with baffle 11 between third flocculation basin 3 and its adjacent second flocculation basin 2, all be equipped with delivery port 110 on every baffle 11, and the crisscross setting from top to bottom of delivery port 110 of each baffle 11 makes the rivers direction be the S-shaped from first flocculation basin 1 to third flocculation basin 3. More specifically, the water in the first flocculation tank 1 flows out to the first second flocculation tank 2 from the water outlet 110 at the bottom, the water in the first second flocculation tank 2 flows out to the second flocculation tank 2 from the water outlet 110 at the top, and the water in the second flocculation tank 2 flows out to the third flocculation tank 3 from the water outlet 110 at the bottom, so that the water flow direction is in an S shape. Set up each flocculation basin subregion through baffle 11, and crisscross setting from top to bottom of each delivery port 110 prevents rivers intermixing and short circuit to guarantee that rivers get into sedimentation tank 5 after the processing of each flocculation basin. Of course, the number of the second flocculation tanks 2 can also be 1, 3, etc., and the number is not limited herein.
Furthermore, still be equipped with buffer pool 4 between third flocculation basin 3 and the sedimentation tank 5, buffer pool 4's effect lies in buffering rivers, and rivers after 3 stirs in third flocculation basin get into buffer pool 4 after, give rivers certain time and space of standing still, consume the kinetic energy of rivers and flocculus, the follow-up sedimentation of being convenient for is handled. Partition plates 11 are arranged between the third flocculation tank 3 and the buffer tank 4 and between the buffer tank 4 and the sedimentation tank 5, and a water outlet 110 is also arranged on each partition plate 11.
Referring to fig. 3, in one embodiment, the sedimentation tank 5 includes a sludge zone 51, a filtering zone and a water outlet zone 56 arranged from bottom to top. More specifically, the water flowing out of the buffer tank 4 or the water flowing out of the third flocculation tank 3 enters the filtering zone, after flocculent particles are removed by the filtering zone, the precipitate of the flocculent particles is precipitated to the sludge zone 51, and the water flow overflows through the water outlet zone 56, so that the feedwater treatment is completed. Through the mode of overflow play water, guarantee that flocculent particles deposit can fall into mud district 51 under the action of gravity, the top goes out water and can not cause influence such as rivers fluctuation to the sediment of sediment.
Referring to fig. 3, in one embodiment, the filtering area includes a water distribution area 52, a first inclined plate area 53, and a second inclined plate area 55, which are arranged along the water flow direction, wherein the first inclined plate area 53 is provided with a lower inclined plate group, and the second inclined plate area 55 is provided with an upper inclined plate group. More specifically, the second inclined plate area 55 is located above the first inclined plate area 53, water flowing out through the buffer tank 4 directly enters the water distribution area 52, the water in the water distribution area 52 gradually flows to the first inclined plate area 53 and the second inclined plate area 55, a part of floc particles are filtered and removed by the lower inclined plate group in the first inclined plate area 53, the remaining floc particles are further removed by the upper inclined plate group in the second inclined plate area 55, and the double inclined plate groups are arranged to improve the effect of feed water treatment and remove the floc particles in the water as much as possible. Wherein, the incline direction of lower floor's swash plate group and upper strata swash plate group is opposite, before making the water in the sedimentation tank 5 get into upper strata swash plate group through lower floor's swash plate group, the rivers direction changes, and the flow direction of floc granule also changes correspondingly for the floc granule is sheltered from between upper strata swash plate group and lower floor's swash plate group more easily, reduces the possibility that the floc granule flows along with rivers.
Furthermore, the width of the water distribution area 52 is smaller than that of the second inclined plate area 55, so that the water distribution uniformity is ensured when the water in the buffer tank 4 flows to the water distribution area 52.
Optionally, the lower inclined plate group includes a plurality of first inclined plates 531 arranged in parallel, the upper inclined plate group includes a plurality of second inclined plates 551 arranged in parallel, and a distance between adjacent first inclined plates 531 is greater than a distance between adjacent second inclined plates 551. The distance between every two adjacent first inclined plates 531 is equal, and the distance between every two adjacent second inclined plates 551 is also equal. The interval between first swash plate 531 is great, can filter great floc granule, and after filtering, the floc granule particle diameter that gets into between first swash plate 531 and the second swash plate 551 is less, and in order to further filter water, the interval between the second swash plate 551 reduces, can block the great granule of part and pass second swash plate district 55, has also improved the problem of mud jam, has improved and has got rid of efficiency. The inclination angles of the first swash plate 531 and the second swash plate 551, which are each calculated with reference to a horizontal plane, are between 30 ° and 60 °. Preferably, the inclination angle of the first swash plate 531 is 60 °, and the inclination angle of the second swash plate 551 is 45 °.
Referring to fig. 3, in one embodiment, the filtering section further includes a transition region 54 disposed between the first inclined plate region 53 and the second inclined plate region 55, such that the lower inclined plate group and the upper inclined plate group are spaced apart. After the first inclined plate group removes part of large floc particles, water flow enters the second inclined plate zone 55 through the transition zone 54, and after the second inclined plate group removes the remaining small floc particles with small volume, the second inclined plate group gradually accumulates in the transition zone 54 to form a dynamic suspension layer so as to adsorb and intercept part of small particulate matters difficult to remove, thereby improving the removal capacity of the water purification device on the small particulate floc.
Referring to fig. 3, in one embodiment, the cross-sectional area of the transition region 54 gradually increases from the bottom to the top thereof, and the water velocity is gradually decreased, so that the transition region 54 has a water flow velocity difference along the gravity direction, and a floc dynamic suspension layer with a certain thickness and a self-renewal ability is formed in the transition region 54, thereby achieving the purposes of enhancing contact flocculation and improving floc settling performance. Alternatively, the flow velocity of the water in the transition region 54 is designed to be in the range of 0.5m/s to 0.9 m/s. More specifically, one or both sides of the transition region 54 are disposed obliquely so that their cross-sectional areas gradually increase from the bottom to the top thereof.
Referring to fig. 4, the water outlet region 56 is provided with a water outlet plate 560, the water outlet plate 560 is provided with a perforation 5601 through which water flows, a column plate is arranged around the perforation 5601, the column plate surrounds the perforation 5601 to form a water collection tank 5603, the column plate is provided with an overflow weir 5602, water flows into the water collection tank 5603 after passing through the perforation 5601, and the water flows out through the overflow weir 5602 after the water in the water collection tank 5603 is full, so that the water is uniformly discharged.
Referring to fig. 3 and 4, in one embodiment, the design flow rate of the sedimentation basin 5 is 2L/min, the width of the sedimentation basin 5 may be selected to be the same as the width of each flocculation basin, and the width B is 360mm, and the calculated values of the other areas are as follows: the upward flow velocity of the water distribution area 52 is taken as v10.9mm/s, then L1×h1103mm × 60 mm; the inclination angle θ of the first swash plate 531 of the first swash plate area 53260 DEG long246mm apart by a distance d26mm thick b2Calculating L (L) as 2mm (because the designed water quantity is small, the thickness of the inclined plate and the dead water area formed by the inclined plates on two sides of the pool wall generate large ineffective area, and the ineffective area needs to be taken into account during calculation to eliminate the influence of the ineffective area as much as possible)2×h2103X 40mm, ascending flow velocity v21.5 mm/s; one side of the transition region 54 is arranged at an angle of inclination α of 30 °, the lower section length L being31103mm, upper section length L32185mm, height h347 mm; the inclination angle θ of the second swash plate 551 of the second swash plate region 55445 DEG, long4141mm apart by a distance d4Thickness b of 3mm42mm, calculated lower section length L41185mm, upper section length L42358mm, the ascending velocity of water flow is v4＝0.83mm/s，h4100 mm; height h of the water outlet zone 565＝70mm。
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. Coagulating sedimentation purifier, its characterized in that: the system comprises a first flocculation tank for mixing a flocculating agent and water, a second flocculation tank for coagulating solid matters in the water into floccules, and a sedimentation tank for settling the floccules, wherein the first flocculation tank, the second flocculation tank and the sedimentation tank are sequentially communicated, a stirring device for stirring water flow and a sampler for sampling are arranged in the first flocculation tank and the second flocculation tank, the coagulation sedimentation water purification device further comprises an online monitor for monitoring the change of the particle state of a water sample taken by the sampler in real time and a pump body for enabling the water sample to enter the online monitor, the coagulation sedimentation water purification device further comprises a third flocculation tank for crushing the floccules, the first flocculation tank, the second flocculation tank, the third flocculation tank and the sedimentation tank are sequentially communicated, and the stirring device and the sampler are arranged in the third flocculation tank, the water flow loop of each sampler is independently arranged;
the sedimentation tank comprises a sludge zone, a filtering zone and a water outlet zone, wherein the sludge zone is used for containing the flocculates, the filtering zone is used for filtering the flocculates, and the water outlet zone is used for overflowing; the filtering area comprises a water distribution area, a first inclined plate area and a second inclined plate area which are arranged along the water flow direction, a lower inclined plate group is arranged in the first inclined plate area, an upper inclined plate group is arranged in the second inclined plate area, and the inclination directions of the lower inclined plate group and the upper inclined plate group are opposite; the filtering area also comprises a transition area arranged between the first inclined plate area and the second inclined plate area, so that the lower inclined plate group and the upper inclined plate group are arranged at intervals; the transition zone increases in cross-sectional area from its bottom to its top.
2. The coagulating sedimentation water purifying device as claimed in claim 1, wherein: the pump body, the on-line detector and the sampler are connected in sequence.
3. The coagulating sedimentation water purifying device as claimed in claim 1, wherein: the quantity of second flocculation basin is two, just first flocculation basin and its adjacent between the second flocculation basin, two between the second flocculation basin third flocculation basin and its adjacent all be equipped with the baffle between the second flocculation basin, every all be equipped with the delivery port on the baffle, each the baffle the delivery port is crisscross the setting from top to bottom, makes the rivers direction certainly first flocculation basin extremely third flocculation basin is the S-shaped.
4. The coagulating sedimentation water purifying device as claimed in claim 3, wherein: and a buffer tank is also arranged between the third flocculation tank and the sedimentation tank.
5. The coagulating sedimentation water purifying device as claimed in claim 1, wherein: the lower inclined plate group comprises a plurality of first inclined plates which are arranged in parallel, the upper inclined plate group comprises a plurality of second inclined plates which are arranged in parallel, and the distance between every two adjacent first inclined plates is larger than the distance between every two adjacent second inclined plates.
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CN100565181C (en) * 2006-06-23 2009-12-02 哈尔滨工业大学 The water treatment flocculant granularity fractal dimension determination method for deciding optimal charging amount
CN102020346A (en) * 2010-12-19 2011-04-20 杭州（火炬）西斗门膜工业有限公司 Efficient coagulating sedimentation basin
CN204111460U (en) * 2014-07-09 2015-01-21 昆明佳晓自来水工程技术股份有限公司 Integrated high-efficiency water purifier
KR20170007721A (en) * 2016-09-29 2017-01-20 김영준 Apparatus for Coagulating and Precipitating Sludge in High Speed By Sharing Sludge Blanket and Method for Coagulating and Precipitating Sludge in High Speed
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