CN107037730A - Remove the automation pretreatment unit and method of pollutant and suspended particulate substance in water body - Google Patents
Remove the automation pretreatment unit and method of pollutant and suspended particulate substance in water body Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 187
- 239000000126 substance Substances 0.000 title claims abstract description 47
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 28
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 88
- 238000012545 processing Methods 0.000 claims abstract description 57
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 239000003814 drug Substances 0.000 claims abstract description 33
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 21
- 238000001556 precipitation Methods 0.000 claims description 41
- 239000002245 particle Substances 0.000 claims description 22
- 238000011109 contamination Methods 0.000 claims description 16
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical group N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052698 phosphorus Inorganic materials 0.000 claims description 12
- 239000011574 phosphorus Substances 0.000 claims description 12
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 9
- 230000007774 longterm Effects 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 6
- 229940079593 drug Drugs 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 230000008030 elimination Effects 0.000 claims description 5
- 238000003379 elimination reaction Methods 0.000 claims description 5
- 239000013618 particulate matter Substances 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000013049 sediment Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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Abstract
The invention provides a kind of automation pretreatment unit and method for removing pollutant and suspended particulate substance in water body, described device includes：The water body of detection unit of intaking detection reaction member upstream, the first parameter C of output1iSend processing unit；The flow value regulation and control for entering the reaction member are arrived flow value Q by flow control unitpump；Unit offer medicine according to the dosage Q receivediOr its changing value Δ QiOfferd medicine to reaction member；Water sample and medicine react in reaction member, remove pollutant in water body；The water body in water outlet detection unit detection reaction member downstream, the second parameter C of output2iSend processing unit；Processing unit is according to the first parameter C1iKnow feed water flow value Qpump；And according to flow value QpumpKnow dosage Qi, i is positive integer, and the quantity with first parameter is corresponding；And according to the second parameter C2iWith flow value QpumpKnow the changing value Δ Q of dosagei, i is positive integer.The present invention has the advantages that pollutant and particulate matter removal efficiencies are high.
Description
Technical field
The present invention relates to water process, the automation pretreatment of pollutant and suspended particulate substance in water body is more particularly to removed
Device and method.
Background technology
With the rapid development of economy, the continuous improvement of the level of urbanization, mankind's activity exacerbates the shadow to natural environment
Ring, all kinds of total amount of pollutant of discharge cause water body environment quality beyond its functional areas well beyond the self-cleaning total amount of water body
Defined standard, result in water environment pollution phenomenon.Urban water-body it is black it is smelly be wherein more serious water environment pollution phenomenon it
One.City black and odorous water not only brings the sensory experience of extreme difference to the masses, is also the protrusion for directly affecting masses' production and living
Water environmental problems, it is issued by the State Council《Water prevention and cure of pollution action plan》Propose " to arrive the year two thousand twenty, region and above city are built up
Area's black and odorous water is controlled within 10%；To the year two thousand thirty, completed region of the city black and odorous water is totally eliminated " controlling
Target.
From 2015, black and odorous water regulation in city, which has become local people's governments at all levels, improved human settlement environment in city
One of important content of work, however, because the black smelly complex genesis of urban water-body, influence factor are more, regulation task is very difficult
It is huge.Pollution administration water body, eliminate black and odorous water phenomenon, the measure mainly taken at present include cut a dirt receive pipe, environment-protective desilting, draw
Water water distribution, ecological management and wisdom river management.Wherein, diversion water distribution can vitalize water system, improve flow velocity, increase water body certainly
Net energy power and environmental carrying capacity, are effective water pollution preventing and treatings at present, eliminate a kind of technological means of black and odorous water.But
Due to being influenceed by urban periphal defence diversion source quality, for example：Suspended particulate matter concentration height causes water body sense after diversion water distribution
Public errand, the poor such as ammonia nitrogen concentration of water quality index is high, causes water correction less effective after diversion water distribution.
In order to improve diversion water distribution source quality, the method for automatic feeding pre-treatment medicaments, but traditional medicament have been used
Dosage and pretreating effect control is not very good, and due to pre-processing the influence of facilities design so that pretreatment water
It is restricted.
The content of the invention
In order to solve the deficiency in above-mentioned prior art, the invention provides a kind of simple in construction, removal efficiency
The automation pretreatment unit for removing pollutant and suspended particulate substance in water body of high, easy care.
The purpose of the present invention is achieved through the following technical solutions：
The automation pretreatment unit of pollutant and suspended particulate substance in a kind of removal water body, the automation pretreatment
Device includes：
Water inlet detection unit, the water body of the water inlet detection unit detection reaction member upstream, the first parameter C of output1i
Processing unit is sent, i is positive integer；
Flow control unit, the flow control unit will enter the flow control of the reaction member to flow value
Qpump；
Dispensing unit, the dispensing unit is according to the dosage Q receivediOr its changing value Δ QiThrown to reaction member
Medicine；
Reaction member, water sample and medicine react in the reaction member, remove pollutant in water body；
Water outlet detection unit, the water body in the water outlet detection unit detection reaction member downstream, the second parameter C of output2i
Processing unit is sent, i is positive integer；
Processing unit, the processing unit is according to the first parameter C1iKnow feed water flow value Qpump：T is flooding time, CaveFor long-term raw water quality, C0For
Received river information system water quality parameter, C1For river course target water quality parameter, QriverFor River Channel Storage capacity, CpIt is dense for Drain contamination for river channel
Degree, QpFor daily Drain contamination for river channel water, n is the river water body replacing construction of setting；And according to the flow value QpumpKnow throwing
Dose Qi=fi(C1-Cave)·Qpump, i is positive integer, and the quantity with first parameter is corresponding；And according to described second
Parameter C2iWith flow value QpumpKnow the changing value of dosageI is positive integer.
The present invention also aims to there is provided pollutant and suspended particulate substance in a kind of high removal water body of removal efficiency
Automation preprocess method, the goal of the invention is achieved by the following technical programs：
The automation preprocess method of pollutant and suspended particulate substance in a kind of removal water body, the automation pretreatment
Method comprises the following steps：
(A1) water body of water inlet detection unit detection reaction member upstream, the first parameter C of output1iSend processing unit, i
For positive integer；
According to the first parameter C1iIt is determined that being received river information system water quality parameter；
(A2) processing unit is according to the first parameter C1iKnow feed water flow value Qpump：T is flooding time, CaveFor long-term raw water quality, C0For
Received river information system water quality parameter, C1For river course target water quality parameter, QriverFor River Channel Storage capacity, CpIt is dense for Drain contamination for river channel
Degree, QpFor daily Drain contamination for river channel water, n is the river water body replacing construction of setting；
Processing unit is according to the flow value QpumpKnow dosage Qi=fi(C1-Cave)·Qpump, i is positive integer；
(A3) flow control unit will enter the flow control of reaction member to the flow value Qpump；
Unit offer medicine according to the dosage Q receivediOfferd medicine to reaction member；
(A4) water sample and medicine react in the reaction member, remove pollutant in water body；
(A5) water body in water outlet detection unit detection reaction member downstream, the second parameter C of output2iSend processing unit, i
For positive integer；
(A6) processing unit is according to the second parameter C2iWith flow value QpumpKnow the changing value of dosageI is positive integer；
(A7) offer medicine changing value Δ Q of the unit according to the dosage receivediAdjustment dispensing.
Compared with prior art, the device have the advantages that being：
1. utilize water quality on-line monitoring instrument, Doppler profile current meter, laser particle analyzer, concentration of suspension analyzer, super
The measurement data of sonic liquid-level meter, adjustment medicament administration amount, the best angle of precipitation unit inner panel, can effectively be removed in real time
The main water pollution index such as suspended particulate substance, ammonia nitrogen in raw water；
2. removal efficiency is high, to the maximal clearance of suspended particulate substance more than 90%, COD and the maximal clearance of total phosphorus
More than 80%, ammonia nitrogen elimination efficiency is maximum up to more than 90%；
3. precipitation unit compact conformation is simple, is easily installed and safeguards, the health and safety of operating personnel is improved；
4. whole-course automation control of the present invention, overall process information system management, operation stability are high, it is easy to implement daily pipe
Reason.
Brief description of the drawings
Referring to the drawings, the disclosure will be easier to understand.Skilled addressee readily understands that be：
These accompanying drawings are used only for illustrating technical scheme, and are not intended to and constitute limit to protection scope of the present invention
System.In figure：
Fig. 1 is the automation for removing pollutant and suspended particulate substance in water body pretreatment dress according to embodiments of the present invention
The structure diagram put.
Embodiment
Fig. 1 and the optional embodiment of the present invention is following description described to instruct how those skilled in the art implement
It is of the invention with reproducing.In order to instruct technical solution of the present invention, simplify or eliminate some conventional aspects.People in the art
Member is it should be appreciated that modification or replacement from these embodiments will within the scope of the invention.Those skilled in the art should
Understanding following characteristics can combine to form multiple modifications of the present invention in a variety of ways.Thus, the invention is not limited under
Optional embodiment is stated, and is only limited by claim and their equivalent.
Embodiment 1：
Fig. 1 schematically illustrates the automation for removing pollutant and suspended particulate substance in water body of the embodiment of the present invention
The structure diagram of pretreatment unit, as shown in figure 1, the automation pretreatment unit includes：
Intake detection unit, such as ammonia nitrogen detector, total phosphorus detector, COD detectors, suspended solid detector, it is described enter
The water body of water detection unit detection reaction member upstream, the first parameter C of output1iProcessing unit is sent, i is positive integer；Such as, institute
State the first parameter C1iIncluding 4 parameters；In the volume for the clean water value of each first parameter being adjusted to respectively needed for desired value
Maximum corresponding to the first parameter be used as the river information system water quality parameter；Or by each first parameter respectively plus power
Draw again；
The combination of flow control unit, such as variable frequency pump and Doppler profile current meter, the flow control unit will enter
The flow control of the reaction member is to flow value Qpump；
Dispensing unit, the dispensing unit is according to the dosage Q receivediOr its changing value Δ QiThrown to reaction member
Medicine；Medicine includes PAC, or PAC, PAM and NaClO combination, wherein, PAC is thrown in the upstream of the reaction member, and PAM, which is thrown, to exist
In reaction member, NaClO is thrown in the downstream of reaction member；
Reaction member, such as reaction tank, water sample and medicine react in the reaction member, remove pollutant in water body；
Precipitation unit, the precipitation unit is arranged on the downstream of the reaction member；Set successively in the precipitation unit
The plate with spacing of arrangement；
First particle size analyzer, such as laser particle analyzer, the water body of the first particle size analyzer detection reaction member upstream, output
The mass concentration m of suspended particulate substance and the first average grain diameter Dm1Send the processing unit；
Second particle size analyzer, such as laser particle analyzer, second particle size analyzer be arranged on the reaction member and precipitation unit it
Between, the volumetric concentration V of the suspended particulate substance of output, the second average grain diameter Dm2Send the processing unit；
Water outlet detection unit, such as ammonia nitrogen detector, total phosphorus detector, COD detectors, suspended solid detector, it is described go out
The water body in water detection unit detection reaction member downstream, the second parameter C of output2iProcessing unit is sent, i is positive integer；Such as, with
First parameter accordingly, the second parameter C2iAlso 4 parameters are included；
Processing unit, the processing unit is according to the first parameter C1iKnow feed water flow value Qpump：T is flooding time, CaveFor long-term raw water quality, C0For
Received river information system water quality parameter, C1For river course target water quality parameter, QriverFor River Channel Storage capacity, CpIt is dense for Drain contamination for river channel
Degree, QpFor daily Drain contamination for river channel water, n is the river water body replacing construction of setting；
The processing unit is according to the flow value QpumpKnow dosage Qi=fi(C1-Cave)·Qpump, i is just whole
Number, the quantity with first parameter is corresponding；
The processing unit is according to the second parameter C2iWith flow value QpumpKnow the changing value of dosageI is positive integer；Function fi(x) obtained by experience, such as fi(x)=aeb·x, a, b are to be
Number；
The processing unit is according to the volumetric concentration V, the second average grain diameter Dm2, mass concentration m and suspended particulate substance
Precipitation elimination efficiency and adjust the angle of the parameter, such as plate relative level of the precipitation unitD is the spacing of the plate, and l is the length of the plate, WDFor
The rate of climb of liquid level in precipitation unit, g is acceleration of gravity, and m is the mass concentration of suspended particulate substance, and V is suspended particulate substance
Volumetric concentration, Dm2For the second average grain diameter of suspended particulate substance, η is the coefficient of dynamic viscosity of water；
The automation preprocess method of pollutant and suspended particulate substance in a kind of removal water body of the embodiment of the present invention,
That is the course of work of said apparatus, the automation preprocess method comprises the following steps：
(A1) water body of water inlet detection unit detection reaction member upstream, the first parameter C of output1iSend processing unit, i
For positive integer；
According to the first parameter C1iIt is determined that being received river information system water quality parameter, such as：The value of each first parameter is adjusted respectively
The first parameter corresponding to maximum in the whole volume to the clean water needed for desired value is joined as the river information system water quality
Number；Or drawn respectively plus weight by each first parameter；
(A2) processing unit is according to the first parameter C1iKnow feed water flow value Qpump：T is flooding time, CaveFor long-term raw water quality, C0For
Received river information system water quality parameter, C1For river course target water quality parameter, QriverFor River Channel Storage capacity, CpIt is dense for Drain contamination for river channel
Degree, QpFor daily Drain contamination for river channel water, n is the river water body replacing construction of setting；
Processing unit is according to the flow value QpumpKnow dosage Qi=fi(C1-Cave)·Qpump, i is positive integer；
(A3) flow control unit will enter the flow control of reaction member to the flow value Qpump；
Unit offer medicine according to the dosage Q receivediOfferd medicine to reaction member；
(A4) water sample and medicine react in the reaction member, remove pollutant in water body；
(A5) water body in water outlet detection unit detection reaction member downstream, the second parameter C of output2iSend processing unit, i
For positive integer；
(A6) processing unit is according to the second parameter C2iWith flow value QpumpKnow the changing value of dosageI is positive integer；Function fi(x) obtained by experience, such as fi(x)=aeb·x, a, b are to be
Number；
(A7) offer medicine changing value Δ Q of the unit according to the dosage receivediAdjustment dispensing.
In order to improve removal efficiency, further, step (A2) further comprises：
The processing unit is according to the first parameter C1iSelect mode of operation：
If the first parameter C1iIV class or more standard is reached, dispensing is only PAC；
If the first parameter C1iReach V class standard, or no more than the 30% of V class standard, dispensing include PAC, PAM and
NaClO。
In order to reduce the suspended particulate substance in water body, further, step (A3) further comprises：
The angle α of plate relative level in precipitation unit is adjusted to：
It is single that the precipitation unit is arranged on the reaction
The downstream of member, inside sets the plate with spacing being arranged in order, and d is the spacing of the plate, and l is the length of the plate, WDFor
The rate of climb of liquid level in precipitation unit, g is acceleration of gravity, m for suspended particulate substance in the water body of reaction member upstream matter
Concentration is measured, is measured by the first particle size analyzer；V is the volumetric concentration of the suspended particulate substance between reaction member and precipitation unit, Dm2For
Second average grain diameter of the suspended particulate substance between reaction member and precipitation unit, V and Dm2Measured by the second particle size analyzer；η is
The coefficient of dynamic viscosity of water.
Embodiment 2：
According to embodiments of the present invention 1 remove in water body the automation pretreatment unit of pollutant and suspended particulate substance and
The application examples of method.
In the application examples, removing the automation pretreatment unit of pollutant and suspended particulate substance in water body includes：
Water inlet detection unit, including ammonia nitrogen detector, total phosphorus detector, COD detectors, suspended solid detector, it is described
The water body of detection unit of intaking detection reaction member upstream, the first parameter C of output1iProcessing unit is sent, i is positive integer；It is described
First parameter C1iIncluding 4 parameters；In the volume for the clean water value of each first parameter being adjusted to respectively needed for desired value
The first parameter corresponding to maximum is used as the river information system water quality parameter, it is seen then that the river information system water quality parameter is
COD or total phosphorus or ammonia nitrogen；
Flow control unit, including variable frequency pump and Doppler profile current meter, the flow control unit will enter described
The flow control of reaction member is to flow value Qpump；
Dispensing unit, the dispensing unit is according to the dosage Q receivediAnd its changing value Δ QiThrown to reaction member
Medicine；Medicine includes PAC, or PAC, PAM and NaClO combination, wherein, PAC is thrown in the upstream of the reaction member, and PAM, which is thrown, to exist
In reaction member, NaClO is thrown in the downstream of reaction member；
Reaction member, such as reaction tank, water sample and medicine react in the reaction member, remove pollutant in water body；
Precipitation unit, the precipitation unit is arranged on the downstream of the reaction member；Set successively in the precipitation unit
The plate with spacing of arrangement；
First particle size analyzer, such as laser particle analyzer, the water body of the first particle size analyzer detection reaction member upstream, output
The mass concentration m of suspended particulate substance and the first average grain diameter Dm1Send the processing unit；
Second particle size analyzer, such as laser particle analyzer, second particle size analyzer be arranged on the reaction member and precipitation unit it
Between, the volumetric concentration V of the suspended particulate substance of output, the second average grain diameter Dm2Send the processing unit；
Water outlet detection unit, including ammonia nitrogen detector, total phosphorus detector, COD detectors, suspended solid detector, it is described
The water body in water outlet detection unit detection reaction member downstream, the second parameter C of output2iProcessing unit is sent, i is positive integer；With institute
State the first parameter accordingly, the second parameter C2iAlso 4 parameters are included；
Processing unit, the processing unit is according to the first parameter C1iKnow feed water flow value Qpump：T is flooding time, CaveFor long-term raw water quality, C0For
Received river information system water quality parameter, C1For river course target water quality parameter, QriverFor River Channel Storage capacity, CpIt is dense for Drain contamination for river channel
Degree, QpFor daily Drain contamination for river channel water, n is the river water body replacing construction of setting；
The processing unit is according to the flow value QpumpKnow dosage Qi=fi(C1-Cave)·Qpump, i is just whole
Number, the quantity with first parameter is corresponding；
The processing unit is according to the second parameter C2iWith flow value QpumpKnow the changing value of dosageI is positive integer；Function fi(x) obtained by experience, such as fi(x)=aeb·x, a, b are to be
Number；
The processing unit is according to the volumetric concentration V, the second average grain diameter Dm2, mass concentration m and suspended particulate substance
Precipitation elimination efficiency and adjust the angle of the parameter, such as plate relative level of the precipitation unitD is the spacing of the plate, and l is the length of the plate, WDFor
The rate of climb of liquid level in precipitation unit, g is acceleration of gravity, and m is the mass concentration of suspended particulate substance, and V is suspended particulate substance
Volumetric concentration, Dm2For the second average grain diameter of suspended particulate substance, η is the coefficient of dynamic viscosity of water；
The automation preprocess method of pollutant and suspended particulate substance, Ye Jishang in a kind of removal water body of the application example
The automation preprocess method of pollutant and suspended particulate substance in the course of work of device, the removal water body is stated including following
Step：
(A1) water body of water inlet detection unit detection reaction member upstream, the first parameter C of output1iSend processing unit, i
For positive integer；C11For ammonia nitrogen value, C12For total phosphorus value, C13For COD value, C14For suspended sediment concentration value；
According to the first parameter C1iIt is determined that being received river information system water quality parameter, such as：The value of each first parameter is adjusted respectively
The first parameter corresponding to maximum in the whole volume to the clean water needed for desired value is joined as the river information system water quality
Number；Or drawn respectively plus weight by each first parameter；
(A2) processing unit is according to the first parameter C1iKnow feed water flow value Qpump：T is flooding time, CaveFor long-term raw water quality, C0For
Received river information system water quality parameter, C1For river course target water quality parameter, QriverFor River Channel Storage capacity, CpIt is dense for Drain contamination for river channel
Degree, QpFor daily Drain contamination for river channel water, n is the river water body replacing construction of setting；
The parameter that processing unit is exported according to the parameter of precipitation unit, the first particle size analyzer and the second particle size analyzer draws precipitation
The angle α of plate relative level in unit：
It is single that the precipitation unit is arranged on the reaction
The downstream of member, inside sets the plate with spacing being arranged in order, and d is the spacing of the plate, and l is the length of the plate, WDFor
The rate of climb of liquid level in precipitation unit, g is acceleration of gravity, m for suspended particulate substance in the water body of reaction member upstream matter
Measure concentration；V is the volumetric concentration of the suspended particulate substance between reaction member and precipitation unit, Dm2It is that reaction member and precipitation are single
Second average grain diameter D of the suspended particulate substance between memberm2, η is the coefficient of dynamic viscosity of water；
Processing unit is according to the first parameter C1iSelect mode of operation：
Water quality good model：As ammonia nitrogen, total phosphorus and the COD in the first parameter reach《Water environment quality standard》
IV class and its above standard as defined in (GB 3838-2002), while suspended sediment concentration is more than 30mg/m3When, corresponding is
Water quality good model；Processing unit draws dosage QPAC=fPAC(C1-Cave)·Qpump, start dispensing unit only single to reaction
The upstream of member adds PAC；
Water quality general modfel：As ammonia nitrogen, total phosphorus and the COD in the first parameter reach《Water environment quality standard》(GB
V class standard as defined in 3838-2002), or ammonia nitrogen, total phosphorus and COD are no more than the 30% of V class standard, while suspended solid is dense
Degree is more than 30mg/m3When, corresponding is water quality general modfel：Processing unit draws dosage Q respectivelyPAC=fPAC(C1-
Cave)·Qpump、QPAM=fPAM(C1-Cave)·Qpump、 QNaClO=fNaClO(C1-Cave)·Qpump, start dispensing unit to reaction
The upstream of unit adds PAC, and PAM is added into reaction member, and NaClO is added to the downstream of reaction member；
Contingency mode：According to the condition such as scope, degree of required displacement river water body burst pollution, it is determined that pretreatment
Water, the operational mode of effluent quality.According to the suddenly accident of the surface water bodies such as river course or lake, variable frequency pump is transferred to
Maximum stream flow, processing unit draws dosage Q respectively according to the maximum stream flowPAC=fPAC(C1-Cave)·Qpump、QPAM=fPAM
(C1-Cave)·Qpump、QNaClO=fNaClO(C1-Cave)·Qpump, start dispensing unit and add PAC to the upstream of reaction member,
PAM is added into reaction member, NaClO is added to the downstream of reaction member；
(A3) flow control unit will enter the flow control of reaction member to the flow value Qpump；
Unit offer medicine according to the dosage Q receivediOfferd medicine to reaction member；
The angle of plate relative level in the precipitation unit is adjusted to angle α, such as
(A4) water sample and medicine react in the reaction member, remove pollutant in water body；
(A5) water body in water outlet detection unit detection reaction member downstream, the second parameter C of output2iSend processing unit, i
For positive integer；C21For ammonia nitrogen value, C22For total phosphorus value, C23For COD value, C24For suspended sediment concentration value；
(A6) processing unit is according to the second parameter C2iWith flow value QpumpKnow the changing value of dosage, have
Body is：
Processing unit calculates the changing value of dosage according to default elimination efficiency value and particle diameter difference Rule of judgment：
f(Dm1) it is critical grain size difference, it is according to empirical equation obtained by a large amount of operation measured data simulations：C, d are coefficient；
(1) as (Dm2-Dm1)≥f(Dm1), When all meeting, and no more than expected 5%, show that system is normally run, adjusted without dosage；
(2) other situations, are calculated according in the following manner：
ΔQPAM=fPAM(Dm2-Dm1)·Qpump；
(A7) offer medicine changing value Δ Q of the unit according to the dosage receivediAdjustment dispensing.
Claims (10)
1. a kind of automation pretreatment unit for removing pollutant and suspended particulate substance in water body, it is characterised in that：It is described automatic
Changing pretreatment includes：
Water inlet detection unit, the water body of the water inlet detection unit detection reaction member upstream, the first parameter C of output1iSend place
Unit is managed, i is positive integer；
Flow control unit, the flow control unit will enter the flow control of the reaction member to flow value Qpump；
Dispensing unit, the dispensing unit is according to the dosage Q receivediOr its changing value Δ QiOfferd medicine to reaction member；
Reaction member, water sample and medicine react in the reaction member, remove pollutant in water body；
Water outlet detection unit, the water body in the water outlet detection unit detection reaction member downstream, the second parameter C of output2iSend place
Unit is managed, i is positive integer；
Processing unit, the processing unit is according to the first parameter C1iKnow feed water flow value Qpump：T is flooding time, CaveFor long-term raw water quality, C0For
Received river information system water quality parameter, C1For river course target water quality parameter, QriverFor River Channel Storage capacity, CpIt is dense for Drain contamination for river channel
Degree, QpFor daily Drain contamination for river channel water, n is the river water body replacing construction of setting；And according to the flow value QpumpKnow dispensing
Measure Qi=fi(C1-Cave)·Qpump, i is positive integer, and the quantity with first parameter is corresponding；And according to second parameter
C2iWith flow value QpumpKnow the changing value of dosageI is positive integer.
2. automation pretreatment unit according to claim 1, it is characterised in that：The automation pretreatment unit enters one
Step includes：
Precipitation unit, the precipitation unit is arranged on the downstream of the reaction member；
Second particle size analyzer, second particle size analyzer is arranged between the reaction member and precipitation unit, the suspended particulate of output
The volumetric concentration V of thing, the second average grain diameter Dm2Send the processing unit；
First particle size analyzer, the water body of the first particle size analyzer detection reaction member upstream, the quality of the suspended particulate substance of output is dense
Spend m and the first average grain diameter Dm1Send the processing unit；
The processing unit is according to the volumetric concentration V, the second average grain diameter Dm2, mass concentration m and suspended particulate substance precipitation
Elimination efficiency and the parameter for adjusting the precipitation unit.
3. automation pretreatment unit according to claim 2, it is characterised in that：Set and arrange successively in the precipitation unit
The plate with spacing of row, the parameter of the precipitation unit is the angle of the plate relative levelD is the spacing of the plate, and l is the length of the plate, WDFor
The rate of climb of liquid level in precipitation unit, g is acceleration of gravity, and m is the mass concentration of suspended particulate substance, and V is suspended particulate substance
Volumetric concentration, Dm2For the second average grain diameter of suspended particulate substance, η is the coefficient of dynamic viscosity of water.
4. automation pretreatment unit according to claim 1, it is characterised in that：The value of each first parameter is adjusted respectively
The river information system water quality parameter is used as to the first parameter corresponding to the maximum in the volume of the clean water needed for desired value.
5. automation pretreatment unit according to claim 1, it is characterised in that：First parameter is ammonia nitrogen or total phosphorus
Or COD or suspended particulate substance.
6. automation pretreatment unit according to claim 1, it is characterised in that：Medicine includes PAC, PAM and NaClO, its
In, PAC is thrown in the upstream of the reaction member, and PAM is thrown in reaction member, and NaClO is thrown in the downstream of reaction member.
7. automation pretreatment unit according to claim 1, it is characterised in that：fi(x)=aeb·x, a, b are to be
Number.
8. a kind of automation preprocess method for removing pollutant and suspended particulate substance in water body, methods described includes following step
Suddenly：
(A1) water body of water inlet detection unit detection reaction member upstream, the first parameter C of output1iProcessing unit is sent, i is just whole
Number；
According to the first parameter C1iIt is determined that being received river information system water quality parameter；
(A2) processing unit is according to the first parameter C1iKnow feed water flow value Qpump：T is flooding time, CaveFor long-term raw water quality, C0For
Received river information system water quality parameter, C1For river course target water quality parameter, QriverFor River Channel Storage capacity, CpIt is dense for Drain contamination for river channel
Degree, QpFor daily Drain contamination for river channel water, n is the river water body replacing construction of setting；
Processing unit is according to the flow value QpumpKnow dosage Qi=fi(C1-Cave)·Qpump, i is positive integer；
(A3) flow control unit will enter the flow control of reaction member to the flow value Qpump；
Unit offer medicine according to the dosage Q receivediOfferd medicine to reaction member；
(A4) water sample and medicine react in the reaction member, remove pollutant in water body；
(A5) water body in water outlet detection unit detection reaction member downstream, the second parameter C of output2iProcessing unit is sent, i is just whole
Number；
(A6) processing unit is according to the second parameter C2iWith flow value QpumpKnow the changing value of dosageI is positive integer；
(A7) offer medicine changing value Δ Q of the unit according to the dosage receivediAdjustment dispensing.
9. automation preprocess method according to claim 8, it is characterised in that：Step (A2) further comprises：
The processing unit is according to the first parameter C1iSelect mode of operation：
If the first parameter C1iIV class or more standard is reached, dispensing is only PAC；
If the first parameter C1iV class standard is reached, or no more than the 30% of V class standard, dispensing includes PAC, PAM and NaClO.
10. automation preprocess method according to claim 9, it is characterised in that：Step (A3) further comprises：
The angle α of plate relative level in precipitation unit is adjusted to：
The precipitation unit is arranged on the reaction member
Downstream, inside sets the plate with spacing being arranged in order, and d is the spacing of the plate, and l is the length of the plate, WDFor precipitation
The rate of climb of liquid level in unit, g is acceleration of gravity, and m is dense for the quality of suspended particulate substance in the water body of reaction member upstream
Degree, V is the volumetric concentration of the suspended particulate substance between reaction member and precipitation unit, Dm2For between reaction member and precipitation unit
Suspended particulate substance the second average grain diameter, η be water coefficient of dynamic viscosity.
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