CN206915948U - A kind of device of dystopy denitrogenation dephosphorizing river course reparation - Google Patents
A kind of device of dystopy denitrogenation dephosphorizing river course reparation Download PDFInfo
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- CN206915948U CN206915948U CN201720622989.9U CN201720622989U CN206915948U CN 206915948 U CN206915948 U CN 206915948U CN 201720622989 U CN201720622989 U CN 201720622989U CN 206915948 U CN206915948 U CN 206915948U
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Abstract
The utility model discloses a kind of device of dystopy denitrogenation dephosphorizing river course reparation, including high load capacity biological denitrificaion component, coagulant reaction component, magnetic loading reinforcing reaction component, sedimentation basin and the magnetic separation assembly being sequentially arranged；High load capacity biological denitrificaion component includes denitrogenation anoxic pond and the denitrogenation Aerobic Pond being sequentially arranged；The coagulant reaction component includes coagulant reaction tank and dosing component；Reaction component is strengthened in magnetic loading to be included magnetic loading and strengthens reaction tank and magnetic adding component, and what the water inlet of reaction tank and coagulant reaction tank were strengthened in the magnetic loading blows that the mouth of a river is connected, delivery port is connected the sedimentation basin water inlet.The defects of the utility model overcomes river course to naturally occur, prosthetic device is placed using bank correct position, be the restorative procedure that a kind of river course is suited measures to local conditions, efficient process river, save and take up an area, investment reduction, operation is simple to operate, and processing is efficient, and processing cost is low.
Description
Technical field
It the utility model is related to river course recovery technique field, and in particular to a kind of dress of dystopy denitrogenation dephosphorizing river course reparation
Put.
Background technology
In December, 2016, Office of the People's Government of Zhejiang Province printed and distributed《The bad V class water in Zhejiang Province wipes out action scheme》, scheme points out heavily fortified point
Hold centered on the people, unswervingly walk that " blue montains and green waters is exactly Kingsoft Yin Shan " road, close around making beautiful China Reconstructs
Zhejiang model, deeply implement " five water are controlled altogether ", to improve quality of water environment as core, with river length be made as handgrip, push forward comprehensively
" six major projects ", persistently improve quality of water environment.To the end of the year 2017, the whole province eliminates bad V class water quality section, completes within 3 years in advance
《Zhejiang Province's water prevention and cure of pollution target responsibility book》In bad V class water quality section eliminate task.The whole province completes river course comprehensive improvement
2000 kilometers, wherein bad V class key area renovates 400 kilometers.
Bad V class water quality section requirement is eliminated, administering section quality of water environment needs to have clear improvement, different without obvious smell
Taste, river course eliminate black smelly phenomenon, water transparency up to 60cm and more than, the dirt such as water body COD permanganate indexs, ammonia nitrogen, total phosphorus
Dye thing content is decreased obviously and is better than V class water quality, eliminates black and odorous water phenomenon.Now for river course repairing and treating be divided into physics,
Chemistry and biological method.
Physical method is primarily referred to as dredging bed mud, mechanical algae removement, diversion erosion and deposition and water distribution water transfer etc..Sediment Dredging is by dirt
Dye thing clears out from river course, pollution of the bed mud to water body is cut down, so as to improve water quality.Water distribution water transfer is to pass through water conservancy projects
The regulation and control of (such as gate, pumping plant) introduce neighbouring cleaning water source with river training water quality.Physical method is often cured the symptoms, not the disease,
Clearing achievements are only capable of maintaining a period of time, or need long-term water distribution water transfer, influence to allocate water source downstream water quality.
Chemical method such as coagulating sedimentation, addition chemical agent kill algae, the precipitation for adding molysite promotion phosphorus, add lime denitrogenation
The methods of.Chemical method is to river water body turbidity, CODCr, SS, TP removal effect it is preferable, to NH3- N, TN, heavy metal etc. are gone
Except less effective, chemical precipitates is deposited to riverbed bottom, easily causes secondary pollution.
Bioanalysis be it is external apply a kind of more universal river course recovery technique in recent years, it be utilize cultivate water plant or
Culture, the microorganism of inoculation, the pollutant in river course is handled using the absorption of root system of plant and the metabolism of biology, from
And the technology for being purified water body.Biological method mainly includes river aeration reoxygenation, biomembrance process, biological restoration, soil
Facture, aquatic plant purification method etc..Bioanalysis has high treating effect, construction costs relatively compared with physics, chemical method
It is low, be not required to power consumption or low power consuming, operating cost is cheap, does not form the advantages that secondary pollution.
River course naturally occurs, it is understood that there may be because river course is wide, water plant can not bedding river course center, watercourse aeration method
Can not normal laying, bioanalysis can not improve the water quality in whole river course, or because river course is excessively shallow, submerged plant, aeration, biology
Embrane method is not suitable for using etc. situation, for a variety of situations for being not suitable for in-situ immobilization, it is proposed that showering river course technology.It is different
The defects of river course recovery technique in position can overcome river course to naturally occur, prosthetic device is placed using bank correct position, is a kind of
The restorative procedure that river course is suited measures to local conditions.
Utility model content
It is not suitable for providing a kind of dystopy denitrogenation dephosphorizing river course using the situation of in-situ immobilization, the utility model for above-mentioned
The device of reparation, as river course showering technology, there is the function of high load capacity high-efficient denitrification and dephosphorization, be surface water in influent quality
In the case of bad V class, water outlet is up to the class water water quality of surface water IV after the utility model is handled, and saves and take up an area, and saves and throws
Money.
A kind of device of dystopy denitrogenation dephosphorizing river course reparation, including high load capacity biological denitrificaion component, the coagulation being sequentially arranged
Reaction component, sedimentation basin and magnetic separation assembly are strengthened in agent reaction component, magnetic loading；
The high load capacity biological denitrificaion component includes the denitrogenation anoxic pond being sequentially arranged and denitrogenation Aerobic Pond, the denitrogenation lack
Denitrogenation filler is respectively provided with oxygen pond and in denitrogenation Aerobic Pond, diving mixer is set in the denitrogenation anoxic pond, and the denitrogenation is good
Oxygen bottom of pond portion sets aerator；
The coagulant reaction component includes the coagulant reaction tank of built-in first mixer and for being reacted to coagulant
The dosing component of dosing coagulant in pond, the water inlet of the coagulant reaction tank are connected with the delivery port of denitrogenation Aerobic Pond；
Magnetic loading, which strengthens reaction component and includes the magnetic loading of built-in second mixer, strengthens reaction tank and for magnetic
The magnetic that magnetic is added in loading reinforcing reaction tank adds component, and the water inlet and coagulant of the magnetic loading reinforcing reaction tank are anti-
Ying Chi's blows that the mouth of a river is connected, delivery port connects the sedimentation basin water inlet.
Diving mixer in the denitrogenation anoxic pond plays plug-flow stirring action, and the rotating speed of the mixer is in 60-
100r/min。
The defects of the utility model dystopy river course recovery technique can overcome river course to naturally occur, utilizes the suitable position in bank
Placement location prosthetic device, it is the restorative procedure that a kind of river course is suited measures to local conditions, efficient process river, saves and take up an area, investment reduction, fortune
Row is simple to operate, and processing is efficient, and processing cost is low.
Preferably, the external blower fan of the aerator, the denitrogenation Aerobic Pond is interior to set dissolved oxygen meter.By dissolved oxygen in Aerobic Pond
Control is between 2.5-3.5mg/L.
Mixed-liquor return pump is set in the denitrogenation Aerobic Pond, and the mixed-liquor return pump discharge accesses denitrogenation anoxic pond
It is interior, in mixed-liquor return to the anoxic pond reflux ratio will be controlled to admirably achieve nitrification-denitrification in 70-100%
Denitrification effect.
Preferably, the denitrogenation filler is cellular polyurethane filler, and filler is that hexagon is block, and middle part is justified provided with 6-8mm
Cylindricality through hole, hexagon bulk length of side 20-30mm, thickness 10-15mm.
The specific surface area of the filler is more than 10000m2/m3, maximum specific surface area is up to 20000m2/m3。
It is further preferred that described polyurethane biologic packing material is in fluidized state under aerobic aeration state.
Preferably, the dosing component includes the molten medicine device of coagulant, coagulant medicine storage device and the coagulation being sequentially arranged
Agent adds pump, and the coagulant dosage pump discharge is accessed in coagulant reaction tank, and the 3rd is set in the molten medicine device of coagulant
Mixer.Coagulant charging quantity is 30-50mg/L, adding less in common coagulants dosage due to magnetic invigoration effect.
The first mixer in the coagulant reaction tank uses paddle mixer, and paddle mixer is used for coagulant
With the mixing of river, the rotating speed of the paddle mixer is 60-100r/min so that coagulant is well mixed with river,
And produce tiny flco.
Preferably, the magnetic adds component and adds pump including the magnetic storage tank being sequentially arranged and magnetic, and magnetic adds pump
Access magnetic loading in outlet is strengthened in reaction tank, and the 4th mixer is set in the magnetic storage tank.
The magnetic is magnetite powder, and its granularity is in 250-350 mesh, dosage 10-50mg/L.
The second mixer that the magnetic loading is strengthened in reaction tank uses paddle mixer, and magnetic loading is strengthened in reaction tank
Set paddle mixer to be used for magnetic to mix with the river after the dosing coagulant, the paddle mixer turns
Speed is 30-50r/min, is beneficial to magnetic wadding core and is combined with tiny flco, the flco to form bulky grain is swept by adsorbing to roll up.
Preferably, the magnetic separation assembly includes the high speed dispersor and magnetic drum seperator being sequentially arranged, the high speed
The mud inlet of dispersion machine and the bucket of sedimentation basin are connected by sludge pump, supernatant outlet by pipeline access denitrogenation anoxic pond,
Slurry outlet accesses magnetic drum seperator；The magnetic outlet of the magnetic drum seperator accesses magnetic by magnetic conveyer belt and adds group
Part.
By conveying band connection between the magnetic drum seperator magnetic outlet and magnetic throwing device, magnetic drum is separated
Magnetic recycle to magnetic loading enhanced flocculation reaction.It is further preferred that the blade of the high speed dispersor is teeth shape
Disc type constructs, and the rotating speed of high speed dispersor is 1000-2000r/min, is advantageous to disperse magnetic and sludge；Magnetic drum seperator
Surface induction intensity is 2000-4000 Gausses, and magnetic drum rotating speed is 10-25r/min, effectively separates magnetic and sludge,
So that magnetic is recycled.
Preferably, in addition to a controller, the diving mixer, reflux pump, blower fan, dissolved oxygen meter, the first mixer,
Two mixers, the 3rd mixer, the 4th mixer, coagulant dosage pump, magnetic add pump, sludge pump, high speed dispersor, magnetic drum
Seperator, magnetic conveyer belt are all connected with and are controlled by controller.
The controller is controller commonly used in the art, such as PLC or DCS controllers.
The method that the utility model device carries out the river course reparation of dystopy denitrogenation dephosphorizing, comprises the following steps：
(1) river to be processed will be needed sequentially to flow into denitrogenation anoxic pond, denitrogenation Aerobic Pond, in anoxic pond and denitrogenation Aerobic Pond
Set high load capacity denitrogenation filler to be used for efficient high load capacity denitrogenation, diving mixer plug-flow mixing water quality be set in denitrogenation anoxic pond,
Aerator and external fan is set to carry out oxygen needed for additional nitration in denitrogenation Aerobic Pond, to keep dissolved oxygen concentration in Aerobic Pond
Mixed-liquor return pump is set in 2.5-3.5mg/L, denitrogenation Aerobic Pond, by the mixed-liquor return after Aerobic Process for Treatment to scarce denitrogenation oxygen
In pond, nitrification-denitrification denitrification reaction is realized；
Preferably due to the special construction of polyurethane biologic packing material, specific surface area is big, greatly improves nitric efficiency, reduces
The floor space of high load capacity denitrogenation part, investment reduction；
(2) river after denitrogenation enters magnetic loading enhanced flocculation part, and river sequentially flows into coagulant reaction tank, magnetic loading
Strengthen reaction tank, sedimentation basin, coagulating occurs for dosing coagulant in coagulant reaction tank, and the river for producing tiny flco enters
Enter magnetic loading and strengthen reaction tank, mixed with the magnetic of magnetic drum separating and recovering, the river of carrying magnetic flco enters sedimentation basin progress
Precipitate, the river after precipitation process is come back in river course；
Magnetic adds the dosage for reducing coagulant, while produces the magnetic with colloid performance and coagulate core enhanced flocculation
Effect, the river of carrying magnetic flco enter sedimentation basin and precipitated, by gravitational settling remove river in COD, TP, SS, thoroughly
The contamination indexs such as lightness, the river after processing are come back in river course；
After loading the processing of enhanced flocculation part by high load capacity denitrogenation part and magnetic, river is that surface water is bad in influent quality
In the case of V class, water outlet up to water transparency up to 60cm and more than, the dirt such as water body COD permanganate indexs, ammonia nitrogen, total phosphorus
Dye thing content is decreased obviously and is better than the requirement of V class water quality；
(3) sludge in the bucket of sedimentation basin enters magnetic separator, sequentially flows into high speed dispersor, magnetic drum separation
Machine, sludge reclaim magnetic after the high force dispersion of high speed dispersor, by magnetic drum seperator, and magnetic is sent to magnetic by conveyer belt
Throwing device reenters magnetic reinforcing link and recycled, and supernatant caused by separation enters high load capacity denitrogenation part
Handled, disposal is transported outward after sludge is dehydrated on request caused by separation.
Preferably, the denitrifying load in the denitrogenation anoxic pond and denitrogenation Aerobic Pond is 0.2-0.3kgNH3-N/(m3.d)。
Preferably, the rotating speed of the diving mixer is 60-100r/min；Return current ratio of the mixed liquid is 70-100%；Coagulation
Agent dosage is 30-50mg/L；The magnetic is magnetite powder, and its granularity is 250-350 mesh, dosage 10-50mg/L.Enter
Preferably, the rotating speed of the diving mixer is 70-80r/min to one step；Return current ratio of the mixed liquid is 80-90%, and total nitrogen removes effect
Small compared with general biochemical method reflux ratio using high load capacity denitrogenation in the case of fruit identical, general biochemical method reflux ratio is typically in 100-
300%；Coagulant charging quantity is 35-45mg/L, and in the case of removal effect identical, coagulant charging quantity is because strong using magnetic loading
Change is few compared with common Coagulation Method, and common coagulating sedimentation coagulant charging quantity is 70-100mg/L；The magnetic is magnetite powder, its grain
Spend for 250-300 mesh, dosage 30-40mg/L.
Preferably, the mixing speed in coagulant reaction tank is 60-100r/min；The stirring in reaction tank is strengthened in magnetic loading
Speed is 30-50r/min；The rotating speed of high speed dispersor is 1000-2000r/min；The rotating speed of magnetic drum seperator is 10-25r/
min；It is further preferred that the mixing speed in coagulant reaction tank is 70-80r/min；Stirring in reaction tank is strengthened in magnetic loading
It is 35-45r/min to mix speed；The rotating speed of high speed dispersor is 1200-1500r/min；The rotating speed of magnetic drum seperator is 15-20r/
min。
Biological denitrificaion, coagulant reaction and magnetic loading are strengthened reaction and organically combined by the utility model, are assisted between each several part
Same-action, compared with existing waterway repair process method, the utility model has the advantages that：
(1) river course is administered using this method, black-odor riverway can be reached and eliminate bad V class water quality section requirement：Water body is saturating
Lightness up to 60cm and more than, the pollutant load such as water body COD permanganate indexs, ammonia nitrogen, total phosphorus is decreased obviously and is better than V class
Water quality, eliminate black and odorous water phenomenon.Ammonia nitrogen, total nitrogen remove mainly by biochemical process, and the utility model uses efficient denitrification, improve life
The nitration and opposite nitration of change.The pollutant such as COD permanganate indexs, total phosphorus, SS index is sunk using biochemistry+coagulation in waste water
The method in shallow lake removes, and the utility model is using magnetic loading enhanced coagulation effect.
(2) showering technology is used as, processing mode is more flexible, for the preferable river course of water quality, can carry out part river
Repair, up to water quality requirement after mixing, be advantageous to investment and the control of cost.
(3) denitrogenation part has the advantages of high load capacity compared with other denitrification process, and load is in 0.2~0.3kgNH3-N/
(m3.d), denitrogenation processing effect is improved, and greatlys save process equipment floor space, has saved the investment of handling process.
(4) polyurethane biologic packing material used in is simple in construction, preparation method is ripe, specific surface area is big, service life is long,
It is moderate.Filler is in fluidized state in waste water, improves gas-liquid mass transfer efficiency and water distribution gas distribution effect.
(5) magnetic loading enhanced flocculation part, magnetic adds the dosage for reducing coagulant, while generation has colloid
The magnetic of performance coagulates core enhanced flocculation effect, and magnetic can be separated and recovered by magnetic drum and utilized, and largely save place
Manage operating cost.
Brief description of the drawings
Fig. 1 is the utility model processing system structural representation.
Fig. 2 is process chart of the present utility model.
Reference is as follows shown in figure：
11- denitrogenation anoxic pond 12- the first denitrogenation filler the first filler supports of 13-
14- diving mixer 21- denitrogenation Aerobic Pond 22- the second denitrogenation fillers
23- the second filler support 24- aerator 25- mixed-liquor return pumps
26- blower fan 27- dissolved oxygen meter 31- coagulant reaction tanks
The molten medicine mixers of the molten medicine device 34- of 32- the first paddle mixer 33- coagulant
Reaction tank is strengthened in the loading of 35- coagulant medicine storage device 36- coagulant dosage pump 41- magnetic
42- the second paddle mixer 43- magnetic storage tank 44- magnetic mixers
45- magnetics add pump 51- sedimentation basin 61- high speed dispersors
62- sludge pump 71- magnetic drum seperator 72- magnetic conveyer belts
Embodiment
As shown in figure 1, a kind of processing unit of dystopy denitrogenation dephosphorizing river course reparation, including the high load capacity denitrogenation being sequentially arranged
Part and magnetic loading enhanced flocculation part.
High load capacity denitrogenation part includes denitrogenation anoxic pond 11 and denitrogenation Aerobic Pond 21, and the inside of denitrogenation anoxic pond 11 sets first
Denitrogenation filler 12, the first filler support 13 and diving mixer 14；First filler support 13 is fixed on the long side of denitrogenation anoxic pond 11
On pool wall, the first denitrogenation filler 12 is fixed between the first filler support 13, and diving mixer 14 is fixed on denitrogenation anoxic pond 11
Chi Ding, play water quality effect in stirring anoxic pond.
The inside of denitrogenation Aerobic Pond 21 sets the second denitrogenation filler 22, the second filler support 23, Aerobic Pond bottom to set aeration
Device 24, the blower fan 26 for providing aerator air-source is set outside pond, mixed-liquor return pump 25 is also set up in pond；Second filler branch
Frame 23 is fixed on the long side pool wall of denitrogenation Aerobic Pond 21, and the second denitrogenation filler 22 is fixed between the second filler support 23；Denitrogenation
Mixed-liquor return pump 25 is set in Aerobic Pond 21, and river is returned denitrogenation anoxic pond by mixed-liquor return pump 25 from denitrogenation Aerobic Pond 21
In 11, to realize nitrification-denitrification denitrogenation.
Magnetic loading enhanced flocculation part includes magnetic loading enhanced flocculation device and magnetic separator, magnetic loading enhanced flocculation
Device includes the coagulant reaction tank 31, magnetic loading reinforcing reaction tank 41 and sedimentation basin 51 being sequentially connected with；Coagulant reaction tank 31
Water inlet is connected by pipeline with denitrogenation Aerobic Pond delivery port, and magnetic separator includes high speed dispersor 61, magnetic drum seperator
71, high speed dispersor 61 is connected with the bucket of sedimentation basin 51 by sludge pump 62.
First paddle mixer 32 (i.e. the first mixer) is set in coagulant reaction tank 31, for by coagulant and river
The mixing of water；Coagulant reaction tank 31 carries coagulant drug-adding device, and coagulant dosage device includes being sequentially arranged coagulation
The molten medicine device 33 of agent, coagulant medicine storage device 35 and coagulant dosage pump 36, the molten medicine device 33 of coagulant is interior to set molten medicine to stir
Machine 34 (i.e. the 3rd mixer) is mixed, molten medicine mixer 34 is used for the dissolving of coagulant, and the coagulant after dissolving enters medicine storage device
35, coagulant reaction tank 31 is added to by coagulant dosage pump 36.
The water inlet that reaction tank is strengthened in magnetic loading is connected by pipeline with the delivery port of coagulant reaction tank, and magnetic loading is strengthened
Second paddle mixer 42 (i.e. the second mixer) is set in reaction tank 41, for magnetic and the river with tiny flco to be stirred
Mix uniformly；Magnetic loading strengthens reaction tank 41 and carries magnetic throwing device, and magnetic throwing device includes the magnetic storage tank being sequentially arranged
43 and magnetic add pump 45, magnetic mixer 44 (i.e. the 4th mixer) is set in magnetic storage tank 43, and magnetic mixer 44 is used for
The mobility of the uniform raising magnetic of magnetic, pump 45 is added by magnetic and is added to magnetic loading reinforcing reaction tank 41.
The delivery port that the water inlet of sedimentation basin loads reinforcing reaction tank by pipeline with magnetic is connected, and sedimentation basin 51 is used for muddy water
Separation, supernatant reach claimed below, reenter river course：Water transparency up to 60cm and more than, water body COD permanganates refer to
The pollutant loads such as number, ammonia nitrogen, total phosphorus are decreased obviously and are better than V class water quality.
Sludge in the sludge bucket of sedimentation basin 51 is pumped into high speed dispersor 61, magnetic drum seperator 71 successively by sludge pump 62, leads to
Cross and disperse to separate with magnetic drum at a high speed, magnetic and sludge are separated, magnetic passes through magnetic conveyer belt 72 and recycled to magnetic storage
In groove 43, continue magnetic loading and strengthen reaction, supernatant continues with from diffluence denitrogenation anoxic pond 11, and sludge is on request
Disposal is transported outward after being handled.
Automatic control part includes a controller, diving mixer 14, mixed-liquor return pump 25, blower fan 26, dissolved oxygen meter 27,
One paddle mixer 32, molten medicine mixer 34, coagulant dosage pump 36, the second paddle mixer 42, magnetic mixer 44,
Magnetic adds pump 45, sludge pump 62, high speed dispersor 61, magnetic drum seperator 71 and magnetic conveyer belt 72 and is all connected with and is controlled by control
Device processed.Controller is controller commonly used in the art, such as PLC or DCS controllers.
The control mode of robot control system(RCS) is as follows：
Controller controls diving mixer 14, mixed-liquor return pump 25, the first paddle mixer 32, molten medicine mixer
34th, coagulant dosage pump 36, the second paddle mixer 42, magnetic mixer 44, magnetic add pump 45, sludge pump 62, high speed
Dispersion machine 61, magnetic drum seperator 71, the start-stop of magnetic conveyer belt 72.
The concentration level signal of dissolved oxygen in denitrogenation Aerobic Pond 21 is fed back to controller by dissolved oxygen meter 27, by controller control
The unlatching size of blower fan 26 processed, by the Dissolved Oxygen concentration Control in Aerobic Pond between 2.5-3.5mg/L.
As shown in Fig. 2 a kind of processing method of dystopy denitrogenation dephosphorizing river course reparation, comprises the following steps：
Step 1, it would be desirable to which the river of processing sequentially flows into denitrogenation anoxic pond 11, denitrogenation Aerobic Pond 21, denitrogenation anoxic pond 11
To efficient denitrification, denitrogenation anoxic pond 11 is interior to set submersible agitating with high load capacity denitrogenation filler is set in denitrogenation Aerobic Pond 21 respectively
The plug-flow of machine 14 mixes water quality, sets aerator 24 and external fan 26 to come oxygen needed for additional nitration, Aerobic Pond in Aerobic Pond
Interior setting mixed-liquor return pump 25, in the mixed-liquor return after Aerobic Process for Treatment to anoxic pond, will realize that nitrification-denitrification denitrogenation is anti-
Should；
Step 2, river after denitrogenation enter magnetic loading enhanced flocculation part, river sequentially flow into coagulant reaction tank 31,
Reaction tank 41, sedimentation basin 51 are strengthened in magnetic loading, and coagulating occurs for dosing coagulant in coagulant reaction tank 31, produce tiny
The river of flco enters magnetic loading and strengthens reaction tank 41, is mixed with the magnetic of magnetic drum separating and recovering, the adding of magnetic reduces mixed
The dosage of solidifying agent, while produce the magnetic with colloid performance and coagulate core enhanced flocculation effect, the river of carrying magnetic flco enters
Precipitated to sedimentation basin, the contamination index such as COD, TP, SS, transparency, the river after processing in river are removed by physico-chemical precipitation
Water reach requirement (water transparency up to 60cm and more than, the pollutant load such as water body COD permanganate indexs, ammonia nitrogen, total phosphorus
It is decreased obviously and is better than V class water quality) come back in river course；
Step 3, the sludge in the bucket of sedimentation basin 51 enter magnetic separator, sequentially flow into high speed dispersor 61, magnetic
Drum seperator 71, sludge reclaim magnetic after the high force dispersion of high speed dispersor, by magnetic drum seperator, and magnetic passes through conveyer belt
72, which are sent to magnetic throwing device 44, reenters magnetic and strengthens link and recycled, and supernatant caused by separation enters high
Load denitrogenation anoxic pond 11 is handled, and disposal is transported outward after sludge is dehydrated on request caused by separation.
Each step parameter control is as follows：
Denitrifying load in denitrogenation anoxic pond and denitrogenation Aerobic Pond is 0.2-0.3kgNH3-N/(m3.d)。
The rotating speed of diving mixer is 60-100r/min；Return current ratio of the mixed liquid is 70-100%；Coagulant charging quantity is
30-50mg/L；Magnetic is magnetite powder, and its granularity is 250-350 mesh, dosage 10-50mg/L.
Mixing speed in coagulant reaction tank is 60-100r/min；Magnetic loads the mixing speed strengthened in reaction tank
30-50r/min；The rotating speed of high speed dispersor is 1000-2000r/min；The rotating speed of magnetic drum seperator is 10-25r/min.
The specific implementation case of the utility model patent is the foregoing is only, but the technical characteristic of the utility model patent is simultaneously
This is not limited to, any those skilled in the relevant art in field of the present utility model, all cover by the change or modification made
Among the scope of the claims of the present utility model.
Claims (6)
1. a kind of device of dystopy denitrogenation dephosphorizing river course reparation, it is characterised in that including the high load capacity biological denitrificaion being sequentially arranged
Reaction component, sedimentation basin and magnetic separation assembly are strengthened in component, coagulant reaction component, magnetic loading；
The high load capacity biological denitrificaion component includes denitrogenation anoxic pond and the denitrogenation Aerobic Pond being sequentially arranged, the denitrogenation anoxic pond
Denitrogenation filler is respectively provided with interior and denitrogenation Aerobic Pond, diving mixer, the denitrogenation Aerobic Pond are set in the denitrogenation anoxic pond
Bottom sets aerator；
The coagulant reaction component includes the coagulant reaction tank of built-in first mixer and for into coagulant reaction tank
The dosing component of dosing coagulant, the water inlet of the coagulant reaction tank are connected with the delivery port of denitrogenation Aerobic Pond；
The magnetic loading strengthens magnetic loading of the reaction component including built-in second mixer and strengthens reaction tank and for being loaded to magnetic
The magnetic that magnetic is added in reinforcing reaction tank adds component, and the water inlet and coagulant reaction tank of reaction tank are strengthened in the magnetic loading
Blow that the mouth of a river is connected, delivery port connects the sedimentation basin water inlet.
2. device according to claim 1, it is characterised in that the external blower fan of aerator, in the denitrogenation Aerobic Pond
Dissolved oxygen meter is set.
3. device according to claim 1, it is characterised in that the denitrogenation filler is cellular polyurethane filler, filler six
Side shape is block, and middle part is provided with 6-8mm cylindrical holes, hexagon bulk length of side 20-30mm, thickness 10-15mm.
4. device according to claim 1, it is characterised in that the dosing component includes the molten medicine dress of coagulant being sequentially arranged
Put, coagulant medicine storage device and coagulant dosage pump, it is described mixed in the coagulant dosage pump discharge access coagulant reaction tank
The 3rd mixer is set in the molten medicine device of solidifying agent.
5. device according to claim 1, it is characterised in that the magnetic adds the magnetic storage tank that component includes being sequentially arranged
Pump is added with magnetic, magnetic, which adds pump discharge access magnetic loading, to be strengthened in reaction tank, and the 4th stirring is set in the magnetic storage tank
Machine.
6. device according to claim 1, it is characterised in that the high speed that the magnetic separation assembly includes being sequentially arranged is disperseed
Machine and magnetic drum seperator, the mud inlet of the high speed dispersor and the bucket of sedimentation basin are connected by sludge pump, supernatant outlet
Denitrogenation anoxic pond is accessed by pipeline, slurry outlet accesses magnetic drum seperator；The magnetic outlet of the magnetic drum seperator passes through magnetic
Powder conveyer belt access magnetic adds component.
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| CN201720622989.9U CN206915948U (en) | 2017-05-31 | 2017-05-31 | A kind of device of dystopy denitrogenation dephosphorizing river course reparation |
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| CN201720622989.9U CN206915948U (en) | 2017-05-31 | 2017-05-31 | A kind of device of dystopy denitrogenation dephosphorizing river course reparation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108675554A (en) * | 2018-05-29 | 2018-10-19 | 爱土工程环境科技有限公司 | River water quality puies forward mark method for treating water and system |
| CN115259566A (en) * | 2022-08-16 | 2022-11-01 | 深圳市环境科学研究院 | Method for deep biological treatment of nanoscale electronic chip wastewater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108675554A (en) * | 2018-05-29 | 2018-10-19 | 爱土工程环境科技有限公司 | River water quality puies forward mark method for treating water and system |
| CN115259566A (en) * | 2022-08-16 | 2022-11-01 | 深圳市环境科学研究院 | Method for deep biological treatment of nanoscale electronic chip wastewater |
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