CN206051645U - For the purified water treatment device of flocculating agent method for implanting - Google Patents
For the purified water treatment device of flocculating agent method for implanting Download PDFInfo
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Abstract
The utility model discloses a kind of purified water treatment device for flocculating agent method for implanting, including：Flocculating agent case, be stored with flocculating agent；Mixing pit, for the flocculating agent from flocculating agent case supply and raw water mixing；Coagulating basin, for the mixing water stirring at low speed from mixing pit supply, generates the wadding of impurity cohesion；Sedimentation tank, the mixing water for containing wadding are flowed into from the coagulating basin, for flocculation precipitation；Filtering ponds, the flocks to precipitating are filtered, and obtain the water of Jing water purification；Flocculating agent injection pump, injects the mixing pit (20) the flocculating agent of the flocculating agent case；Wadding size measurement, draws the sample of the mixing water comprising flocks from the coagulating basin, in real time the size of measurement wadding and wadding size distribution；And control unit, the state of the wadding obtained according to the wadding size measurement, the flocculating agent injection pump is controlled, regulation is fed to the injection rate of the flocculating agent of mixing pit from flocculating agent case.The purified water treatment device can utilize the size and size distribution of flocks and automatically control the injection rate of flocculating agent.
Description
Technical field
This utility model is related to a kind of purified water treatment device for flocculating agent method for implanting.More specifically, it is related to one
Plant the purified water treatment device of the injection rate of flocculating agent can be automatically controlled using the size of flocks (floc) and size distribution.
Background technology
As carrying out water purification to raw waters such as river, lake water or reservoir waters and improve water quality to meet the side of application target
Method, is widely used in raw water and puts into flocculating agent (coagulant), makes microgranule or the suspensions such as Organic substance in raw water, microorganism
Coagulation of materials is into bulk, i.e. the method for being condensed into wadding (floc) shape and removing.Turbidity, pH due to flowing into the raw water of water treatment plant
And colourity changes at any time, thus with the load change of raw water, need fluidly to adjust and put into flocculating agent.
In the method for putting into this flocculating agent, there is manually or automatically method.It is to be tried by vial-type based on manual method
The input amount that (jar-test) adjusts flocculating agent is tested, and appropriate raw water is filled in multiple containers (beaker etc.), wherein with mutually not
Identical concentration puts into flocculating agent so that after aggregation given time precipitation, carried out with the turbidity and colourity to supernatant water
Based on the result of analysis, optimal input amount is determined.This vial-type test is performed and once about takes 1 hour or so, prior
It is there is a problem of that accuracy is low.That is, vial-type test is simply to inject flocculating agent in the lab and calculate optimal injection rate,
Due to turbidity value and the difference of chromatic value after test, it is not easy to determine accurate flocculating agent injection rate.Further, since water treatment plant
Mixing condition is dramatically different with the mixing condition of the experiment in the indoor enforcement of experiment, thus exists and test the solidifying of decision by vial-type
The problem that the optimal input amount of poly- agent is greatly made a mistake at the scene.Moreover, if not realizing flocculating agent with optimum state
Injection, then processing water becomes bad, there is a problem of that processing cost rises.On the other hand, the load change of raw water is bigger, cohesion
The suitable input of agent is more difficult, when busy, compared with appropriate injection rate, should put into excessive flocculating agent, and this finally makes flocculating agent
Expense and sludge treatment expense increase, more weight, there is a problem of that water treatment efficiency reduces.
Below, in the automatic mode of quantitative input flocculating agent, there is such as Korean Patent Registration 10-
Various flocculating agent supply control methods disclosed in No. 1104581 (water treatment facilities optimized by flocks) etc. shown in content.
But, this method mainly can apply to lower water or wastewater treatment, and for lower water or waste water, inflow character is almost set,
Even if the time passs, the turbidity value of raw water also almost universally keeps, thus even from method as above, it is also possible to
Flocculating agent is supplied during water process efficiently.But, for not descending the clean water treatment of water or wastewater treatment, the water of process is used
River or the water attracted from reservoir (dam) etc., thus caused by because of rain, snow or wind etc. during meteorological change, the turbidity of water occurs
Change, the turbidity of water can change (load change) as time go on and at any time, thus be not easy lower water or wastewater treatment institute
The flocculating agent supply control mode for using is applied to clean water treatment.
It is therefore desirable to develop a kind of flocculating agent method for implanting, also may be used when the clean water treatment of water or wastewater treatment is not descended
To apply, even if the turbidity of water changes as time go on and at any time, it is also possible to voluntarily perceive the confession for changing and controlling flocculating agent
Ying Liang, in addition, the generation of the mud (sludge) as chemical treatment method shortcoming can be made to realize minimizing, by flocculating agent
The optimization of injection rate saving processing cost, so as to improve water treatment efficiency.
The content of the invention
The purpose of this utility model is to provide one kind and can adjust flocculating agent injection rate according to wadding size, makes flocculating agent
There is clean water treatment flocculating agent method for implanting and the purified water treatment device using which for reducing in usage amount and mud.
Another object of the present utility model is to provide one kind in clean water treatment, even if the turbidity of water changes, it is also possible to feel
Know clean water treatment flocculating agent method for implanting and the purified water treatment device using which of the injection rate for changing and controlling flocculating agent.
To reach the purpose, this utility model provides a kind of clean water treatment flocculating agent method for implanting, including：(1) it is real
When analyze raw water turbidity value, content (OV corresponding with the turbidity value of raw water0) flocculating agent the step of devote raw water；
(2) using wadding size measurement, the current wadding of the wadding included in obtaining the mixing water for having put into the flocculating agent under different turbidity
Sizes values, are set to benchmark wadding value (FS0) the step of；(3) (Δ p) makes to devote to reduce arranges value by set medicine
Content (the OV of the flocculating agent of raw water1) agent content (OV is initially condensed from corresponding with the turbidity value of raw water0) reduce (OV1=OV0-
Δ p) simultaneously puts into, after set wadding stand-by time (t), the current wadding sizes values (FS of the wadding included in obtaining mixing water1)
The step of；(4) calculate with from the benchmark wadding value (FS0) deduct wadding arranges value (f) value (=FS0- f) for lower limit of wadding a quilt with cotton, with institute
State benchmark wadding value (FS0) be wad a quilt with cotton higher limit wadding size distribution (Δ W), comparison it is described wadding size distribution (Δ W) lower limit with
Current wadding sizes values (FS1) the step of；And (5) are if currently wad a quilt with cotton sizes values (FS1) than the lower limit of wadding size distribution (Δ W)
Value (FS0- f) big or equal ((FS0-f)≤FS1), then (Δ p) makes flocculating agent injection rate (OV to reduce arranges value by medicine again2)
Reduce, if conversely, the sizes values (FS that currently wads a quilt with cotton1) than the lower limit (FS of wadding size distribution (Δ W)0- f) little ((FS0-f)
＞ FS1), then (Δ p) makes flocculating agent injection rate (OV to reduce arranges value by medicine2) increase the step of；Return the acquisition mixing water
In the current wadding sizes values (FS of wadding that includes1) the step of, the process of flocculating agent input amount is adjusted according to wadding size repeatedly.
In addition, this utility model provides a kind of clean water treatment for performing clean water treatment flocculating agent method for implanting filling
Put, including：Flocculating agent case, its flocculating agent that is stored with；Mixing pit, which is mixed for the flocculating agent and raw water from flocculating agent case supply
Close；Coagulating basin, which generates the wadding of impurity cohesion for the mixing water stirring at low speed from mixing pit supply；Sedimentation tank, which is for bag
The mixing water for having contained wadding is flowed into from the coagulating basin, for flocculation precipitation；Filtering ponds, which is filtered to the flocks for precipitating, and is obtained
The water of Jing water purification；Flocculating agent injection pump, the flocculating agent of its flocculating agent case inject the mixing pit 20；Wadding size measurement dress
Put, which draws the sample of the mixing water comprising flocks from the coagulating basin, in real time the size of measurement wadding and wadding size distribution；And control
Portion processed, the state of its wadding obtained according to the wadding size measurement, controls the flocculating agent injection pump, adjusts from flocculating agent
Case is fed to the injection rate of the flocculating agent of mixing pit.
Clean water treatment flocculating agent method for implanting of the present utility model and this have the advantage that using its purifier, no
Only flocculating agent injection rate can be adjusted according to wadding size, make the usage amount and mud of flocculating agent occur to reduce, and in water purification
During process, even if the turbidity of water changes, it is also possible to which perception changes and control the injection rate of flocculating agent.
Description of the drawings
Fig. 1 is the structure of the adaptable purified water treatment device of clean water treatment flocculating agent method for implanting of the present utility model
Schematic diagram.
Fig. 2 is flow chart of the clean water treatment with flocculating agent method for implanting for illustrating one embodiment of this utility model.
Fig. 3 shows an example of operating condition when clean water treatment flocculating agent is injected according to this utility model
The photo of control interface.
Specific embodiment
With reference to the accompanying drawings, describe this utility model in detail.
Fig. 1 is the structure of the adaptable purified water treatment device of clean water treatment flocculating agent method for implanting of the present utility model
Schematic diagram.As shown in figure 1, the adaptable purified water treatment device of this utility model includes：Flocculating agent case 10, its cohesion that is stored with
Agent；Mixing pit 20, which is mixed with raw water for the flocculating agent from the flocculating agent case 10 supply；Coagulating basin 30, which is for mixing from described
The mixing water stirring at low speed of the supply of pond 20 is closed, the wadding (floc) of impurity cohesion is generated；Sedimentation tank 40, which is for the mixing water comprising wadding
Flow into from the coagulating basin 30, for flocculation precipitation；And filtering ponds 50, which is filtered to the flocks for precipitating, and obtains Jing water purification
Water；The flocculating agent of the flocculating agent case 10 can inject the mixing pit 20 by means of flocculating agent injection pump 12.In addition, described
Purified water treatment device also includes：Wadding size measurement 60, which draws the sample of the mixing water comprising flocks from coagulating basin 30, real
When the size (FSV, floc size value) of measurement wadding, wadding size distribution etc.；And control unit 70, which is according to the wadding size
The state of wadding that measurement apparatus 60 are obtained, the flow of raw water, turbidity, grain count etc., control the flocculating agent injection pump 12, adjust
Section is fed to the injection rate of the flocculating agent of mixing pit 20 from flocculating agent case 10.
The flocculating agent is condensed into bulk as the microgranules such as the Organic substance, microorganism made in raw water or suspended material, i.e. wadding
(floc) chemical drugss of state, generally use aluminum sulfate, aluminium polychlorid (poly aluminium chloride：PAC)、
Poly- hydroxy chloride aluminum sulfate (Poly aluminium hydroxy chloro sulfate：) etc. PAHCS aluminum (Al) is flocculating agent
Be flocculating agent with the ferrum (Fe) such as polyiron sulfate, iron chloride, in terms of clean water treatment of the present utility model, preferably use PAC,
The aluminum such as PAHCS system flocculating agent.On the other hand, explanation puts into flocculating agent and generates the principle of wadding below.The granule for suspending in water
Negative (-) electric charge of the most of band in surface, if adding the metal of band just (+) electric charge wherein, occur to neutralize in particle surface,
Surface potential such as fruit granule reaches 0, then mutually exclusive between granule power declines, and gravitation occurs, starts to grow up into wadding.In Shui Chu
During reason, most important part is the good growth of induction wadding, if wadding growth normally cannot be realized, is caused after cohesion process
Precipitation is bad, and water treatment efficiency can be low.When suspended material is removed using the processing method of this chemistry, it might even be possible to make
The particle aggregation of 0.1 micron of size is simultaneously removed.
Fig. 2 is the flow chart for illustrating the clean water treatment of this utility model one embodiment flocculating agent method for implanting,
Fig. 3 shows the control interface of an example of operating condition when clean water treatment flocculating agent is injected according to this utility model
Photo.Clean water treatment of the present utility model flocculating agent method for implanting, using the wadding sizes values (FSV) and wadding size point of cohesion
Cloth (Δ W), automatically adjusts (control) injection rate of flocculating agent.As seen in figures 2 and 3, used according to clean water treatment of the present utility model
Flocculating agent method for implanting, first, the turbidity value for analyzing raw water (online) in real time, content corresponding with the turbidity value of raw water
(OV0) flocculating agent devote raw water S10.The turbidity value of the raw water can be the meansigma methodss of 3 minutes.Typically, each
Turbidity catalog of the water treatment plant equipped with flocculating agent species and input amount under regulation raw water difference turbidity, thus it is referred to this
Kind of turbidity catalog, according to the turbidity and the flow of raw water of raw water measure with on-line measurement instrument, the species of decision flocculating agent and
Input amount.For example, turbidity catalog is referred to, according to the turbidity of the raw water of measurement, manually the species and input of flocculating agent
Amount input control unit (70, with reference to Fig. 1).Alternatively, can be the turbidity of the raw water and the cohesion for determining accordingly
The species and input amount information of agent pre-enters control unit (70, with reference to Fig. 1), flow, turbidity, grain count according to raw water etc.
Measured value, automatically controls flocculating agent injection pump 12, automatically adjusts the injection rate of flocculating agent.That is, if the injection mould of flocculating agent
Formula is converted to automatic mode from manual mode, then according to the catalog in the input of control unit 70, corresponding with raw water turbidity to condense
Agent is automatically injected in raw water.
In the example depicted in fig. 3, the input amount of each flocculating agent species under raw water difference turbidity is pre-entered in control
Portion 70, for example, when raw water turbidity is 5NTU (Nephelo-metric Turbidity Unit), if flocculating agent is poly- hydroxyl
Base chloro sulphuric acid aluminum (PAHCS), then flocculating agent input (that is, the concentration of flocculating agent) is 12ppm, if flocculating agent is polymerization chlorine
Change aluminum (PAC), then flocculating agent input is 9ppm.Now, the injection rate of the flocculating agent can be linked simultaneously with the flow of raw water
Automatically adjust, for example, if the inflow flow of raw water increases, flocculating agent more injects, if the inflow flow of raw water subtracts
Few, then the injection rate of flocculating agent is reduced, and keeps the cohesion agent concentration in raw water.In the example depicted in fig. 3, raw water turbidity is
6.6NTU, raw water flow are 5453m3/ h, the value (concentration) that automatically engages of the flocculating agent under raw water difference turbidity is 12.4ppm,
It is 72.4Kg/h to consider the value and the actual flocculating agent input amount of raw water flow of automatically engaging.
Then, using wadding size measurement 60, include in obtaining the mixing water for having put into the flocculating agent under different turbidity
Wadding current wadding sizes values (FSV, floc size value), be set to benchmark wadding value (FS0)S20.The wadding size
Value can be during 3 minutes, measurement wadding size (totally 60 times) per 3 seconds, and which carried out average and calculated.Specifically, can be with
The sample of the wadding mixing water in the growth of coagulating basin 30 is made, in the optical sensor through wadding size measurement 60, preferably across LED
While optical sensor, RMS (root mean are derived from the light transmission degree (DC) and space amount of change (AC) of mixing water
Square) root-mean-square value, calculates wadding sizes values (FSV) in real time from derived root-mean-square value RMS.This wadding size measurement 60
Composition and action, the applicant Patent Publication No be 10-0549170, it is entitled " water process with flocks grow up measure
Device ", Patent Publication No are 10-1104581, public in detail in the file such as entitled " water treatment facilities optimized by flocks "
Open, the content of the document is contained in this specification as reference.In the example depicted in fig. 3, flocculating agent has been put into
The benchmark wadding value (FS of mixing water0) for 0.74FSV, wherein, sizes of the 1FSV equivalent to about 3mm.
Then, arranges value (Δ p), content (that is, the flocculating agent of the flocculating agent for making to devote raw water are reduced by set medicine
Concentration, OV1) agent content (OV is initially condensed from corresponding with the turbidity value of raw water0) reduce (OV1=OV0- Δ p) simultaneously puts into
S30, after set wadding stand-by time (t), the current wadding sizes values (FS of the wadding included in obtaining mixing water1)S32.It is described
Current wadding sizes values (FS1) can be during 3 minutes, measurement wadding size (totally 60 times) per 3 seconds, and which is carried out average and calculated
Go out.The medicine reduces arranges value, and (Δ p) devotes the concentration of the flocculating agent of raw water for change, used as the flocculating agent to raw water
The variable quantity of concentration, usually 0.1 to 0.5ppm.If the medicine reduces arranges value, and (Δ p) is too small, devotes raw water
The concentration change of flocculating agent is excessively slow, and the input amount of flocculating agent is adjusted and needs the excessive time, if the medicine reduces arranges value (Δ
P) excessive, the concentration change for devoting the flocculating agent of raw water is excessive, then have the shortcomings that the concentration of flocculating agent adjusts difficult.It is described
Wadding stand-by time (t) is used as in order to make wadding size fully change and adjust between the input of flocculating agent as flocculating agent input amount changes
Every stand-by time, usually 10 to 60 minutes.If wadding stand-by time (t) is too short, the effect of the flocculating agent for putting into
Wadding size cannot fully be reflected, if long, the input amount of flocculating agent is adjusted and needs excessive time, inefficiency.It is described
Medicine reduces arranges value, and (Δ p) and wadding stand-by time (t) are pre-set by user and are input into control unit 70.Shown in Fig. 3
Example in, the medicine reduces arranges value, and (Δ p) is 0.2ppm, and wadding stand-by time (t) is 13 minutes, the wadding of current point in time
Size is 0.75FSV, and average current (average) wadding sizes values (FS is carried out to the wadding size during 3 minutes1) for 0.67FSV.
Then, the benchmark wadding value (FS for calculating to measure from step S200) deduct wadding arranges value (f) value (=FS0- f) be
Wadding lower limit, with benchmark wadding value (FS0) it is the wadding size distribution (Δ W) of higher limit of wadding a quilt with cotton, under wadding size distribution (Δ W)
Limit value and current wadding sizes values (FS1) it is compared S40.That is, become (FS0-f)≤ΔW≤(FS0), continuous monitoring coagulating basin 30
Flocks size, obtain the lower limit and current wadding sizes values (FS of wadding size distribution (Δ W)1), which is compared.The wadding
Arranges value (f) has put into the mixing water of the flocculating agent under different turbidity for arranging the minimum limit of admissible wadding sizes values
In the wadding sizes values of wadding that include, i.e. equivalent to benchmark wadding value (FS0) difference with admissible minimum wadding sizes values, for example,
It is comparable to benchmark wadding value (FS0) 10 to 30% value.Wherein, if wadding arranges value (f) is too small, cohesion cannot be made
Agent injection rate is effectively reduced, if wadding arranges value (f) is excessive, presence wadding smoothly cannot be formed or purifying water effect is low
It is worried.In the example depicted in fig. 3, wadding arranges value (f) is 0.1FSV, benchmark wadding value (FS0) for 0.74FSV, thus wadding
The wadding lower limit of size distribution (Δ W) is 0.64FSV, and wadding higher limit is 0.74FSV.
Then, the lower limit and current wadding sizes values (FS to wadding size distribution (Δ W)1) be compared, with turbidity
On the basis of value, for the flocculating agent input amount injected, whether excessive, very few, appropriate injection rate is judged, automatically control flocculating agent note
Enter pump 12 (S52～S58).That is, if the base through wadding stand-by time (t) for arranging, to the pre-test from wadding stand-by time
Quasi- wadding value (FS0) deducted wadding arranges value (f) value (that is, wad a quilt with cotton size distribution (Δ W) lower limit, FS0- f) and when pre-test
Wadding sizes values (FS1) be compared, whether the increase and decrease of control flocculating agent injection rate to be.Specifically, if as shown in Fig. 2 with wadding
Lower limit (the FS of size distribution (Δ W)0- f) compare, currently wad a quilt with cotton sizes values (FS1) bigger or equal ((FS0-f)≤FS1, S
52) (Δ p) makes flocculating agent injection rate (OV, then to reduce arranges value by medicine2) reduce S54 again.If conversely, with wadding size
Lower limit (the FS of distribution (Δ W)0- f) compare, currently wad a quilt with cotton sizes values (FS1) less ((FS0- f) ＞ FS1, S 56), then by medicine
(Δ p) makes flocculating agent injection rate (OV to reduce arranges value2) increase S58.That is, as the wadding size of the present average wadding value for measuring
Value (FS1If) below the lower limit line of wadding size distribution (Δ W), flocculating agent injection rate increases, if in wadding size point
On the lower limit line of cloth (Δ W), then flocculating agent injection rate reduces.
Then, (online) measurement flows into the turbidity value (SV of the raw water of water treatment plant in real time1) S60, when the turbidity value of raw water
(SV1) without departing from turbidity reference value when, after set wadding stand-by time (t), return obtain mixing water in include wadding work as
Front wadding sizes values (FS1) the step of S32, process, now, flocculating agent in the past are adjusted according to the flocculating agent input amount of wadding size repeatedly
The current wadding sizes values (FS of regulating step1) become the benchmark wadding value (FS of new flocculating agent regulating step0).Conversely, when the original of measurement
Turbidity value (the SV of water1) beyond turbidity reference value when, return content (OV corresponding to the turbidity value of raw water0) flocculating agent devote
The step of raw water S10, first, according to the turbidity value of raw water change or determine flocculating agent input amount S10, then, according to wadding value
Change, optimizes flocculating agent input amount S20～S58 again.Judge the turbidity value (SV1) the turbidity reference value that changes is in turbidity one
Look in table, can be the turbidity scope of raw water that the input amount of flocculating agent is changed.For example, in figure 3, when for PAHCS it is solidifying
During poly- agent, if turbidity is in 5～8NTU range changings, flocculating agent input amount keeps 13ppm, but if turbidity beyond 5～
8NTU, then flocculating agent input amount should also change.The variation of this turbidity is preferably arranged to only at continuous more than 30 seconds beyond turbidity
During reference value just effectively.
On the other hand, in clean water treatment of the present utility model with flocculating agent method for implanting, as current wadding sizes values (FS1)
When external factor is strongly reduced and reaches set wadding minimum arranges value (FSV LOW arranges values) below, can be to use
Person sends alarm so that interrupt based on wadding sizes values (FS1) the flocculating agent amount of casting control (wadding control model), only with according to turbid
The turbidity pattern operation S70 of the degree catalog control flocculating agent amount of casting.Now, if wadding sizes values (FS1) recover minimum to wadding
More than arranges value, then alarm is automatically terminated, can again with control model operating of wadding a quilt with cotton.In the example depicted in fig. 3, it is described to wad a quilt with cotton most
Little arranges value (FSV LOW arranges values) is 0.1FSV.In addition, in figure 3, in the case of flocculating agent decrement 3.2L/h, with
It is compared with the situation of turbidity pattern operation, shows the decrement of flocculating agent injection rate when runing with control model of wadding a quilt with cotton.
Changed with inflow raw water condition in flocculating agent method for implanting, can be analyzed in real time in clean water treatment of the present utility model
And wadding sizes values (FS corresponding with this1) variation item, real-time optimization flocculating agent injection rate.In addition, as needed, except utilization
Wadding sizes values (FS1) and adjust outside the flocculating agent amount of casting, it is also possible to according to 40 deposition efficiency of sedimentation tank, add correction flocculating agent
The amount of casting, or the wadding size distribution (Δ W) of analysis coagulating basin 30, automatically control the mixing speed of coagulating basin 30.
Above by reference to specific embodiment, clean water treatment flocculating agent method for implanting of the present utility model and water purification cartridge are illustrated
The structure put and action, but this utility model is not limited to the specific embodiment, can remember in claims below
Various deformation is carried out in the range of load.
Claims (1)
1. a kind of purified water treatment device, it is characterised in that include：Flocculating agent case, be stored with flocculating agent；Mixing pit, for from described
The flocculating agent of flocculating agent case supply and raw water mixing；Coagulating basin, for the mixing water stirring at low speed from mixing pit supply, generates
The wadding of impurity cohesion；Sedimentation tank, the mixing water for containing wadding are flowed into from the coagulating basin, for flocculation precipitation；Filtering ponds, to heavy
The flocks in shallow lake are filtered, and obtain the water of Jing water purification；Flocculating agent injection pump, the flocculating agent injection of the flocculating agent case described mixed
Close pond (20)；Wadding size measurement, draws the sample of the mixing water comprising flocks from the coagulating basin, and measurement wadding is big in real time
Little and wadding size distribution；And control unit, the state of the wadding obtained according to the wadding size measurement, control the flocculating agent note
Enter pump, regulation is fed to the injection rate of the flocculating agent of mixing pit from flocculating agent case.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150068749A KR101645540B1 (en) | 2015-05-18 | 2015-05-18 | Method for feeding coagulant for water-purification and apparatus for water-purification using the same |
| KR10-2015-0068749 | 2015-05-18 |
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|---|---|
| CN206051645U true CN206051645U (en) | 2017-03-29 |
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| CN201620453042.5U Active CN206051645U (en) | 2015-05-18 | 2016-05-18 | For the purified water treatment device of flocculating agent method for implanting |
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| CN (1) | CN206051645U (en) |
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| KR20190019311A (en) | 2017-08-17 | 2019-02-27 | 효림산업주식회사 | One Type Water Treatment Apparatus |
| KR102308649B1 (en) | 2018-12-27 | 2021-10-05 | 공주대학교 산학협력단 | Automatic chemical dosing system for improving efficiency of sludge dehydration |
| KR102291828B1 (en) | 2019-08-05 | 2021-08-24 | 효림산업주식회사 | Movable Water Treatment Apparatus |
| KR20220051045A (en) | 2020-10-16 | 2022-04-26 | 효림산업주식회사 | Modular low energy water purification system |
| KR20220144573A (en) | 2021-04-20 | 2022-10-27 | 효림이엔아이 주식회사 | Compact low energy water purification system |
| KR102527197B1 (en) | 2021-08-24 | 2023-04-28 | 주식회사 가경코스모 | Reduction of moisture content method for sludge cake |
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| KR20020087796A (en) * | 2001-05-16 | 2002-11-23 | 동서식품주식회사 | sewage water treatment system for sensing and controlling formation of flocks |
| KR101244445B1 (en) * | 2009-09-16 | 2013-03-18 | 한국건설기술연구원 | Control method and apparatus of coagulant dose using data-mining |
| KR101104581B1 (en) * | 2011-02-18 | 2012-01-12 | 곽종운 | Water treatment device through coagulation floc optimization |
| JP2012223690A (en) * | 2011-04-18 | 2012-11-15 | Hitachi Ltd | Contaminant treatment method for water purification plant |
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2015
- 2015-05-18 KR KR1020150068749A patent/KR101645540B1/en active Active
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