CN108373191A - A kind of the dephosphorization turbidity-removal system and method for tidal river black and odorous water - Google Patents
A kind of the dephosphorization turbidity-removal system and method for tidal river black and odorous water Download PDFInfo
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- CN108373191A CN108373191A CN201810095792.3A CN201810095792A CN108373191A CN 108373191 A CN108373191 A CN 108373191A CN 201810095792 A CN201810095792 A CN 201810095792A CN 108373191 A CN108373191 A CN 108373191A
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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
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/001—Upstream control, i.e. monitoring for predictive control
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
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- Hydrology & Water Resources (AREA)
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- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of dephosphorization turbidity-removal systems of tidal river black and odorous water, include being connect respectively with the upstream water quality monitoring system, the pretreatment system and the downstream water quality monitoring system by swimming over to upstream water quality monitoring system, pretreatment system, precipitating object processing system, water quality holding area, downstream water quality monitoring system and control command centre, the control command centre that downstream is set gradually on river；The present invention also provides a kind of dephosphorization of tidal river black and odorous water to remove purifying method, including upstream and downstream water quality monitoring, control command centre automatically determine dosage, launch analysis phosphorus control algae agent and to the processing of precipitating object；The dephosphorization turbidity-removal system and method for tidal river black and odorous water provided by the invention, have the advantages that construction investment expense is few, operational management is at low cost and simple operations operation, it is economic and practical in the improvement of tidal river black and odorous water, the phosphorus in water body can efficiently be removed, and water turbidity can be reduced, water transparency is increased.
Description
Technical field
The present invention relates to technical field of sewage, more particularly to a kind of dephosphorization turbidity removal of tidal river black and odorous water
System and method.
Background technology
On November 24th, 2016, proposition will renovate city black and odorous water energetically, implement stream to total phosphorus, the exceeded waters of total nitrogen
Domain, regional overall control.It is required that adaptation to local conditions, one plan of a river, control source section is dirty, endogenous pollution improvement is multi-pronged, and science is whole
Control city black and odorous water.This project is deeply implemented the Scientific Outlook on Development, and makes great efforts to improve conservation culture, it is strong to solve the damage masses conscientiously
The protrusion water problems of health.
In November, 2015 Shenzhen's publication《Shenzhen harnesses the river upgrading work plan (2015-2020)》, river composite is whole
It is the major tasks of upgrading of this time harnessing the river to control, and Mao Zhouhe, Long Ganghe, Guanlan river, Buji river, the Pingshan rivers He Deng are included in one after another
Shenzhen ten greatly work in, using water environment treatment as the most important thing of Shenzhen Ecological Civilization Construction, concentrate strength on, improve efficiency,
It launches an all-out attack, accomplishes fluently upgrading assault of fortified positions of harnessing the river comprehensively, support is provided to build up modernization internationalization Innovative City.
In water body the nutrient concentrations such as N, P it is excessive caused by water pollution phenomenon formed eutrophication, eutrophication meeting
The water quality for influencing water body, can cause the transparency of water to reduce so that sunlight is difficult to penetrate water layer, to influence aquatic plant
Photosynthesis may cause the hypersaturated state of dissolved oxygen.The supersaturation of dissolved oxygen and oxygen in water are few, all to aquatic
Animal pest causes fish mortality.Meanwhile because of body eutrophication, water surface is grown is with cyanobacteria, green alga
A large amount of algaes of sociales are formed one layer " green dross ", are caused the organic substance that bottom is accumulated to be decomposed in anaerobic condition and are generated
Pernicious gas and some planktonic organisms generate biotoxin can also injure fish.
The method of river water dephosphorization has 1. chemical method：Coagulant or adsorbent are spread in throwing, with obvious effects；2. physical method：As clearly
Bed mud is dug, it is costly, it is also possible to cause water body nitrogen phosphorus balance to be destroyed, water quality more deteriorates；3. biological method：Such as in water
Put the aquatic weeds such as Eichhornia crassipes in domain in a suitable place to breed, but its pernicious breeding easy tos produce secondary pollution.
Currently, in many river water phosphorus removing methods, have the shortcomings that phosphor-removing effect unobvious, dephosphorization are of high cost.
Invention content
The object of the present invention is to provide a kind of dephosphorization turbidity-removal system of tidal river black and odorous water and methods, in solution
State problem of the existing technology, with construction investment expense is few, operational management is at low cost and simple operations operation it is excellent
Point, it is economic and practical in the improvement of tidal river black and odorous water, the phosphorus in water body can be efficiently removed, and water can be reduced
Body turbidity increases water transparency.
To achieve the above object, the present invention provides following schemes：
The present invention provides a kind of dephosphorization turbidity-removal system of tidal river black and odorous water, including by swum over on river downstream according to
The upstream water quality monitoring system of secondary setting, pretreatment system, precipitating object processing system, water quality holding area, downstream water quality monitoring system
System and control command centre, the control command centre respectively with the upstream water quality monitoring system, the pretreatment system and
The downstream water quality monitoring system connection.
Preferably, the upstream water quality monitoring system includes flowmeter, upstream sampling pump and upstream water quality monitoring computer room,
The flowmeter and the upstream sampling pump are set in river water, the upstream water quality monitoring computer room respectively with the flowmeter,
The upstream sampling pump connection, the upstream water quality monitoring computer room are also connect with the control command centre.
Preferably, the pretreatment system includes water pump, cloth pencil and medicament mixer, the water pump and described
Cloth pencil is set in river water, and the water pump is connected to by water inlet pipe with the medicament mixer, and the medicament mixer is logical
It crosses outlet pipe to be connected to the cloth pencil, the medicament mixer is also connect with the control command centre.
Preferably, the precipitating object processing system includes dredge pump and precipitating object pushes pond, and described dredge pump one end passes through
Dredging tube is connected to precipitating object settling zone, and the dredge pump other end is pushed pond with the precipitating object and is connected to.
Preferably, the water quality holding area is an aquatic ecosystem for having water body self-purification ability.
Preferably, the downstream water quality monitoring system includes downstream sampling pump and downstream water quality monitoring computer room, the downstream
Sampling pump is set in the river water of the water quality holding area, and the downstream sampling pump is connected to the downstream water quality monitoring computer room,
The downstream water quality monitoring computer room is connect with the control command centre.
Preferably, further include the reverse blocking enclosure for being set to water quality holding area downstream, the reverse blocking enclosure include reverse blocking bar,
River bed is fixed in floating body and enclosure, reverse blocking bar bottom, and floating body is provided on the water surface at the top of the reverse blocking bar, described floating
Body bottom is connected with enclosure, and the enclosure is located at reverse blocking bar downstream side.
The present invention also provides a kind of dephosphorization of tidal river black and odorous water to remove purifying method, includes the following steps：
Step 1: in upstream water quality monitoring system, river water is extracted to upper water quality supervision by upstream sampling pump and surveys machine
Room determines the content of river water pollutant, passes through cloth by the automatic water quality measuring instrument in the upper water quality supervision computer room
The multiple flowmeters being located in river calculate the discharge of river, and pollutant load and streamflow data, which are fed back to control, to be referred to
Center is waved, the control command centre primarily determines the dosage of pretreatment system by pollutant load and the discharge of river；
Step 2: in pretreatment system, first passes through water pump and extract river water into medicament mixer with intake pipe, institute
It states the analysis phosphorus control algae agent being added in advance in agent mixer to dissolve in the medicament mixer, then equably by cloth pencil
It is discharged among river, is reacted with the titanium pigment in river water；
Step 3: in precipitating object processing system, the colloid formed by the pretreatment system can gradually be deposited to described
The river bed of precipitating object processing system forms precipitating object settling zone, arranges dredging tube in river bed, is led to precipitating object using dredge pump
It crosses the dredging tube and is pumped to precipitating object and bank up pond, landfill yard is transported to by outer after the concentration desiccation of precipitating object；
Step 4: in water quality holding area, aquatic ecosystem is built, and by downstream sampling pump by the water quality holding area
River water is extracted to downstream water quality monitoring computer room, and water is monitored by the automatic water quality measuring instrument in the downstream water quality supervision computer room
The pollutant load of matter holding area；
Step 5: the water quality of the control command centre by upstream water quality detection system and downstream water quality monitoring system
Monitoring data calculate dosage size, the dosage in automatic control and adjustment medicament mixer；
Step 6: the reverse blocking enclosure by being set to water quality holding area downstream, orientation limits water (flow) direction, river water
River downstream is flowed into from water quality holding area, downstream river water adverse current pollution upstream water body when preventing tidal.
The present invention achieves following advantageous effects compared with the existing technology：
1, the dephosphorization turbidity-removal system and method for tidal river black and odorous water provided by the invention, using analysis phosphorus control algae agent with
Titanium pigment in river water is reacted, and the analysis phosphorus control algae agent scope of application is very wide, for the temperature in water body, dissolved oxygen, pH value
And the requirement of salinity is very loose；The applicable water body pH ranging from 4-11 of phosphorus control algae agent are analysed, and water body will not be changed after use
PH value；Under anaerobic, soluble phosphorus can be released again, and analysed phosphorus control algae agent and equally played under anaerobic
Effect；Soluble phosphorus is strapped in by analysis phosphorus control algae agent in clay matrix, excellent stability, substantially not by temperature, dissolving
The influence of the factors such as oxygen, pH value and salinity；Analysis phosphorus control algae agent can effectively control the outburst of algae.Analyse the place of phosphorus control algae agent
It manages effect persistently and non-secondary pollution can form one layer of coating after entire water body on bed mud, stop because of environment
Change and make the release again of portion phosphate so that the phosphorus in water body can be removed permanently；Analyse the processing time of phosphorus control algae agent
It is short and efficient, after putting into water body, in 1.0-1.5h can quick adsorption, analysis except 90% or more soluble phosphate；Analysis
Phosphorus control algae agent function is more, cheap, and the Dephosphorization reagent than conventional simple function reduces 50%-60% operating costs.
2, the dephosphorization turbidity-removal system and method for tidal river black and odorous water provided by the invention, will be deposited in the analysis of river bed
Phosphorus sediment aspirates in time, and the excessive riverbed that is piled up in is avoided to influence flood passage and hinder landscape, after precipitating object is concentrated just at outward transport
Reason, greatly reduces operation cost.
3, the dephosphorization turbidity-removal system and method for tidal river black and odorous water provided by the invention is carried out in water quality holding area
The structure of aquatic ecosystem restores water body self-purification ability, water quality is made to obtain long-acting holding by building aquatic ecosystem.
4, the dephosphorization turbidity-removal system and method for tidal river black and odorous water provided by the invention, in water quality holding area downstream
Reverse blocking enclosure is set, and the water of barrier water quality holding area is directly mixed with urban river water, prevents pollution water quality；Flow is limited from water quality
Holding area prevents adverse current to river oriented flow；It prevents tidal river water from pouring in down a chimney to water quality holding area, pollutes water quality.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be in embodiment
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the present invention
Example is applied, it for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the dephosphorization turbidity-removal system of tidal river black and odorous water in the present invention；
In figure：The upstreams 1- water quality monitoring system, 2- pretreatment systems, 3- precipitating objects processing system, 4- water quality holding area,
The downstreams 5- water quality monitoring system, 6- reverse blockings enclosure, 7- flowmeters, the upstreams 8- sampling pump, the upstreams 9- water quality monitoring computer room, 10- take
Water pump, 11- water inlet pipes, 12- cloth pencil, 13- medicament mixers, 14- dredge pumps, 15- precipitating objects push pond, 16- dredging tubes,
17- precipitating objects settling zone, the downstreams 18- sampling pump, the downstreams 19- water quality monitoring computer room, 20- reverse blockings bar, 21- floating bodies, 22- enclosures,
23- controls command centre.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of dephosphorization turbidity-removal system of tidal river black and odorous water and methods, existing to solve
The problem of with the presence of technology.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
The present invention provides a kind of dephosphorization turbidity-removal system of tidal river black and odorous water, as shown in Figure 1, including by river
Swim over to the upstream water quality monitoring system 1 that downstream sets gradually, pretreatment system 2, precipitating object processing system 3, water quality holding area 4,
Downstream water quality monitoring system 5 and control command centre 23, control command centre 23 locate with upstream water quality monitoring system 1, in advance respectively
Reason system 2 and downstream water quality monitoring system 5 connect.
In the present invention, upstream water quality monitoring system 1 includes flowmeter 7, upstream sampling pump 8 and upstream water quality monitoring computer room
9, flowmeter 7 and upstream sampling pump 8 are set in river water, upstream water quality monitoring computer room 9 respectively with flowmeter 7, upstream sampling pump
8 connections, upstream water quality monitoring computer room 9 are also connect with control command centre 23.
Pretreatment system 2 includes water pump 10, cloth pencil 12 and medicament mixer 13, and water pump 10 and cloth pencil 12 are set
It is placed in river water, water pump 10 is connected to by water inlet pipe 11 with medicament mixer 13, and medicament mixer 13 passes through outlet pipe and cloth
Pencil 12 is connected to, and medicament mixer 13 is also connect with control command centre 23, and control command centre 23 is miscible for controlling medicament
Dosage in device 13.
Precipitating object processing system 3 includes that dredge pump 14 and precipitating object push pond 15, and 14 one end of dredge pump passes through dredging tube 16
It is connected to precipitating object settling zone 17,14 other end of dredge pump is pushed pond 15 with precipitating object and is connected to.
Water quality holding area 4 is an aquatic ecosystem for having water body self-purification ability；The structure of aquatic ecosystem specifically wraps
It includes：Base material improvement, Submerged plant communities, emergent aquactic plant group, floatingleaved plant group, microbiologic population, Zooplankton Community,
Larger fish group, benthic fauna；Restore water body self-purification ability by building aquatic ecosystem, makes the long-acting holding of water quality.
Downstream water quality monitoring system 5 includes downstream sampling pump 18 and downstream water quality monitoring computer room 19, and downstream sampling pump 18 is set
It is placed in the river water of water quality holding area 4, downstream sampling pump 18 is connected to downstream water quality monitoring computer room 19, downstream water quality monitoring machine
Room 19 is connect with control command centre 23, and the pollutant load of downstream water matter holding area 4 is passed to control command centre 23.
Further include the reverse blocking enclosure 6 for being set to 4 downstream of water quality holding area in the present invention, reverse blocking enclosure 6 includes reverse blocking bar
20, floating body 21 and enclosure 22,20 bottom of reverse blocking bar are fixed on river bed, are provided with floating body 21 on the water surface at 20 top of reverse blocking bar, float
21 bottom of body is connected with enclosure 22, and enclosure 22 is located at 20 downstream side of reverse blocking bar；Wherein 21 both ends of floating body are consolidated by steel wire rope and riverbank
Fixed connection, when flow direction downstream, wash enclosure 22 open and smoothly flow through, and when downstream water reverse flow, enclosure 22 is then by floating body 21
Runner closing between reverse blocking bar 20, prevents adverse current.
Based on the dephosphorization turbidity-removal system of above-mentioned tidal river black and odorous water, the present invention also provides a kind of tidal river is black
The dephosphorization of smelly water body removes purifying method, includes the following steps：
Step 1: in upstream water quality monitoring system 1, river water is extracted to upper water quality supervision by upstream sampling pump 8 and surveys machine
Room 9 determines the content of river water pollutant, by being laid in by the automatic water quality measuring instrument in upper water quality supervision computer room
Multiple flowmeters 7 in river calculate the discharge of river, and pollutant load and streamflow data are fed back in control commander
The heart 23, control command centre 23 primarily determine the dosage of pretreatment system 2 by pollutant load and the discharge of river；
Step 2: in pretreatment system 2, first passes through water pump 10 and extract river water to medicament mixer 13 with intake pipe
In, the analysis phosphorus control algae agent being added in advance in agent mixer is dissolved in medicament mixer 13, then is discharged by cloth pencil 12
Among river, reacted with the titanium pigment in river water；Wherein, analysis phosphorus control algae agent is mainly by modified clay, iron, aluminium, magnesium etc.
The inorganic minerals such as metalliferous mineral and calcium, rare earth lanthanide are process；Principle is, first can be direct by the phosphate radical in water body
It generates inorganic phosphate mineral precipitation and is precipitated, secondly can agglomerate algae, organic matter and the suspended matter in water body, therefore with efficient
Dephosphorization, algal control, except the comprehensive function of organic matter and suspended matter, and it is harmless to other aquatic animals and plants.And analysis phosphorus control algae agent is
Soluble phosphorus just no longer has bioavailability once being strapped in clay matrix by analysis phosphorus control algae agent, i.e., cannot be by algae
Class is grown and breeding is utilized；And the cell wall of algae can be broken in infall process by analysing phosphorus control algae agent, and algae is made to discharge phosphorus
Element can also absorb phosphorus in the water body higher than 90% while absorbing algae and discharging P elements, it is extremely low to form dissolubility
Lanthanum orthophosphate, and form on bed mud the active coating of thickness about 1-3mm effectively inhibits bed mud and sediment layer phosphorus nearby
Release, from the path for the growth and breeding for having cut off algae at all.
Step 3: in precipitating object processing system 3, the colloid formed by pretreatment system 2 can gradually be deposited to precipitating object
The river bed of processing system 3 forms precipitating object settling zone 17, arranges dredging tube 16 in river bed, is led to precipitating object using dredge pump 14
It crosses dredging tube 16 and is pumped to precipitating object and bank up pond, landfill yard is transported to by outer after the concentration desiccation of precipitating object；
Step 4: in water quality holding area 4, aquatic ecosystem is built, and by downstream sampling pump 18 by water quality holding area 4
River water is extracted to downstream water quality monitoring computer room 19, and water quality is monitored by the automatic water quality measuring instrument in downstream water quality supervision computer room
The pollutant load of holding area 4；
Step 5: control command centre 23 is supervised by the water quality of upstream water quality detection system and downstream water quality monitoring system 5
Measured data calculates dosage size, the dosage in automatic control and adjustment medicament mixer 13；
Step 6: the reverse blocking enclosure 6 by being set to 4 downstream of water quality holding area, orientation limits water (flow) direction, river water from
Water quality holding area 4 flows into river downstream, downstream river water adverse current pollution upstream water body when preventing tidal.
Based on the dephosphorization turbidity-removal system and method for above-mentioned tidal river black and odorous water provided by the invention, specifically to certain
In the work of the dephosphorization turbidity removal of Duan Hedao, control command centre determines analysis phosphorus control algae agent by pollutant load and the discharge of river
Dosage is 5mg/L-10mg/L, and the specific reaction time is 1h-1.5h, and precipitating object floc settling velocity is 0.35mm/s, flow
The flow velocity of river measured is 0.5m/s-1.0m/s, and precipitating object settling zone is formed at the 1.8km of medicament mixer downstream
The precipitating object settling zone of 3.6km length, in such cases, total tp removal rate to river are 91%.
Invention applies specific case, principle and implementation of the present invention are described, above example
Illustrate the method and its core concept for being merely used to help understand the present invention；Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.To sum up, the content of the present specification
It should not be construed as limiting the invention.
Claims (8)
1. a kind of dephosphorization turbidity-removal system of tidal river black and odorous water, it is characterised in that：Including by swimming over to downstream on river successively
Upstream water quality monitoring system, pretreatment system, precipitating object processing system, water quality holding area, the downstream water quality monitoring system of setting
With control command centre, the control command centre respectively with the upstream water quality monitoring system, the pretreatment system and institute
State downstream water quality monitoring system connection.
2. the dephosphorization turbidity-removal system of tidal river black and odorous water according to claim 1, it is characterised in that：The upper water
Quality supervision examining system includes flowmeter, upstream sampling pump and upstream water quality monitoring computer room, the flowmeter and the upstream sampling pump
It is set in river water, the upstream water quality monitoring computer room is connect with the flowmeter, the upstream sampling pump respectively, the upstream
Water quality monitoring computer room is also connect with the control command centre.
3. the dephosphorization turbidity-removal system of tidal river black and odorous water according to claim 1, it is characterised in that：The pretreatment
System includes water pump, cloth pencil and medicament mixer, and the water pump and the cloth pencil are set in river water, the water intaking
Pump is connected to by water inlet pipe with the medicament mixer, and the medicament mixer is connected to by outlet pipe with the cloth pencil, institute
Medicament mixer is stated also to connect with the control command centre.
4. the dephosphorization turbidity-removal system of tidal river black and odorous water according to claim 1, it is characterised in that：The precipitating object
Processing system includes dredge pump and precipitating object pushes pond, and described dredge pump one end is connected by dredging tube and precipitating object settling zone
Logical, the dredge pump other end is pushed pond with the precipitating object and is connected to.
5. the dephosphorization turbidity-removal system of tidal river black and odorous water according to claim 1, it is characterised in that：The water quality is protected
Hold the aquatic ecosystem that Qu Weiyi has water body self-purification ability.
6. the dephosphorization turbidity-removal system of tidal river black and odorous water according to claim 5, it is characterised in that：The downstream water
Quality supervision examining system includes downstream sampling pump and downstream water quality monitoring computer room, and the downstream sampling pump is set to the water quality holding area
River water in, the downstream sampling pump is connected to the downstream water quality monitoring computer room, the downstream water quality monitoring computer room with it is described
Control command centre's connection.
7. the dephosphorization turbidity-removal system of tidal river black and odorous water according to claim 1, it is characterised in that：It further include setting
Reverse blocking enclosure in water quality holding area downstream, the reverse blocking enclosure include reverse blocking bar, floating body and enclosure, and reverse blocking bar bottom is solid
It is provided with floating body on the water surface at the top of the river bed, the reverse blocking bar, the floating body bottom is connected with enclosure, and the enclosure is located at
Reverse blocking bar downstream side.
8. a kind of dephosphorization of tidal river black and odorous water removes purifying method, it is characterised in that include the following steps：
Step 1: in upstream water quality monitoring system, river water is extracted to upper water quality supervision by upstream sampling pump and surveys computer room, is passed through
Automatic water quality measuring instrument in the upper water quality supervision computer room, determines the content of river water pollutant, by being laid in river
In multiple flowmeters calculate the discharge of river, by pollutant load and streamflow data feed back to control command centre, institute
State the dosage that control command centre primarily determines pretreatment system by pollutant load and the discharge of river；
Step 2: in pretreatment system, first passes through water pump and extract river water into medicament mixer with intake pipe, the medicament
The analysis phosphorus control algae agent being added in advance in mixer is dissolved in the medicament mixer, then by cloth pencil be discharged into river it
In, it is reacted with the titanium pigment in river water；
Step 3: in precipitating object processing system, the colloid formed by the pretreatment system can gradually be deposited to the precipitating
The river bed of object processing system forms precipitating object settling zone, and dredging tube is arranged in river bed, is passed through precipitating object using dredge pump described
Dredging tube is pumped to precipitating object and banks up pond, and landfill yard is transported to by outer after the concentration desiccation of precipitating object；
Step 4: in water quality holding area, aquatic ecosystem is built, and the river water of the water quality holding area is taken out by downstream sampling pump
It takes to downstream water quality monitoring computer room, water quality holding area is monitored by the automatic water quality measuring instrument in the downstream water quality supervision computer room
Pollutant load；
Step 5: the water quality monitoring number of the control command centre by upstream water quality detection system and downstream water quality monitoring system
According to calculating dosage size, the dosage in automatic control and adjustment medicament mixer；
Step 6: the reverse blocking enclosure by being set to water quality holding area downstream, orientation limits water (flow) direction, and river water is from water quality
Holding area flows into river downstream, downstream river water adverse current pollution upstream water body when preventing tidal.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111285474A (en) * | 2020-03-19 | 2020-06-16 | 弘筑(福建)建设集团有限公司 | Method for purifying water by using composite biological agent |
| CN111362415A (en) * | 2020-03-19 | 2020-07-03 | 弘筑(福建)建设集团有限公司 | Biological phosphorus removal system and water quality rapid purification method |
| CN111559766A (en) * | 2020-05-11 | 2020-08-21 | 陈键 | Method for improving and restoring water ecology for long time |
| CN113045134A (en) * | 2021-03-24 | 2021-06-29 | 河海大学 | Double-layer enclosure system and method suitable for river ecological restoration pretreatment |
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