CN207016647U - A kind of coking wastewater processing system - Google Patents
A kind of coking wastewater processing system Download PDFInfo
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- CN207016647U CN207016647U CN201720885483.7U CN201720885483U CN207016647U CN 207016647 U CN207016647 U CN 207016647U CN 201720885483 U CN201720885483 U CN 201720885483U CN 207016647 U CN207016647 U CN 207016647U
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Abstract
The utility model discloses a kind of coking wastewater processing system, including foul water tank, artificial swamp pond, activated carbon adsorber, regulating reservoir, air supporting sedimentation basin, accurate filter, softening crystallizer, except hard medicament adding apparatus and intermediate water tank, intermediate water tank is connected with the organic film device of level Four, the organic film device of level Four connects with COD/ phenol concentration detection apparatus, the concentrated water delivery port of level Four film device connects with the water inlet of spray evaporation device, and the condensate liquid delivery port of spray evaporation device connects with the water inlet of the 4th fresh-water tank.Device provided by the utility model, convenient operation and management, automaticity is high, operating cost is relatively low, non-secondary pollution, coking chemical waste water can be effectively administered, realizes wastewater zero discharge substantially, the destruction to environment such as organic matter, ammonia nitrogen and salinity in waste water is thoroughly eliminated, while all waste water are subjected to high-quality reuse.
Description
Technical field
The utility model belongs to technical field of sewage, and in particular to a kind of coking wastewater processing system.
Background technology
Coking chemical waste water be caused by coal coke, gas purification and coke chemicals removal process containing a large amount of aromatic series and
Fused ring compound and heterocyclic compound（Phenol cyanogen class）Waste water, have that discharge capacity is big, salt concentration concentration is high, hardness is higher, organic
The features such as thing and ammonia nitrogen concentration are high, biodegradability is poor, organic components complexity, belong to the high saliferous organic waste of difficult for biological degradation
Water.
Coking chemical waste water is the industrial wastewater containing a large amount of persistent organic pollutants, its complicated component, containing substantial amounts of phenol,
The poisonous and harmful substances such as cyanogen, benzene, ammonia nitrogen, the coking chemical waste water of discharge beyond standards cause serious pollution to environment.Coking chemical waste water has
Water quality and quantity change greatly, complicated component, organic matter particularly hardly degraded organic substance content height, the features such as ammonia nitrogen concentration is high.It is nitrogenous
Compound is organic matter large number of in Coking Plant Wastewater and that composition is sufficiently complex.The quinoline and some alkyl that mass spectrograph is made
Substituent, it is suspected of carcinogen.Aromatic hydrocarbons and aromatic amine etc. equally have many bioactive substances.Phthalandione vinegar class is another in waste water
A kind of carcinogen, dimethyl phthalate therein, phthalandione di-isooctyl are also that pollutant preferentially detects in EPA.In a word,
The complicated component of coking chemical waste water, pollutant kind is various, wherein much belonging to the bioactive substance for having carcinogenic mutagenesis, goes out
Water COD/ phenol can not usually reach discharging standards, and therefore, seeking the deep treatment method that effect is good and cost is low has product
Pole meaning.
At present, Treatment of Coking Effluent approach mainly includes dilution biochemical process, Chemical treatment method and is directly used in wet method
Quenching etc..Due to coking chemical waste water higher containing salinity in itself, in order to meet biochemical condition must consume a large amount of process waters carry out it is dilute
Release, the heterocycle such as the phenols in waste water, naphthalene, cyanogen, pyridine, quinoline and polycyclc aromatic compound are all difficult biodegradation in addition, because
This dilution biochemical process not only waste water resource, and poor processing effect, water outlet tend not to stably reaching standard.Chemical method is by adding
Increasing amount chemical agent removes the suspended impurity and organic pollution in waste water, and the effluent quality of this method is unstable, medicament
Cost is high, can introduce secondary pollution, while adds medicament and can also increase the difficulty of follow-up desalting processing, be phased out at present or
Other process meanses must be cooperateed with to be used.And it is only then pollutant transfer that coking chemical waste water, which is directly used in wet quenching, and
It is not effectively addressed；Another aspect coking chemical waste water water is typically much higher than supporting wet quenching water, and reality is not
It is feasible.
As compatriots are to the raising of environmental protection consciousness and related environmental regulation and gradual harsh, the general of industry access condition
The pattern that waste water directly discharged after extensive style processing is unworkable in coking industry.In recent years, seek efficient, energy-conservation
Treatment of Coking Effluent, especially Recycle Technology of Waste Water are just turning into the study hotspot in industry.Due to membrane technology develop rapidly and
Wide range of industrial applications, conventional biochemical is combined using MBR films, milipore filter and reverse osmosis membrane etc., materialization group technology is increasingly becoming
Treatment of Coking Effluent and the application trend in reuse field.
Utility model content
The utility model is directed to weak point of the prior art, there is provided a kind of coking wastewater processing system.
The purpose of this utility model is realized in the following manner：
A kind of coking wastewater processing system, including foul water tank, foul water tank connect with the inlet pipeline in artificial swamp pond, manually
The outlet pipeline in wetland pond connects with the inlet pipeline of activated carbon adsorber, the outlet pipeline of activated carbon adsorber and regulating reservoir
Inlet pipeline connects, and the outlet pipeline of regulating reservoir connects with the inlet pipeline of air supporting sedimentation basin, the outlet pipeline of air supporting sedimentation basin
Connected with the inlet pipeline of accurate filter, the outlet pipeline of accurate filter connects with softening the inlet pipeline of crystallizer, removes
Hard medicament adding apparatus and the pipeline communication for connecting accurate filter and softening crystallizer, soften the outlet conduit of crystallizer with
Between water tank inlet pipeline connection；
The outlet pipeline of intermediate water tank connects with the inlet pipeline of one-level film A devices, and the first adder-subtractor is middle with connecting
The pipeline communication of water tank and one-level film A devices, one-level film A device fresh water outlet mouths connect with the water inlet of the first fresh-water tank, and one
The concentrated water delivery port of level film A devices connects with the water inlet of the first concentrated water case, delivery port and the one-level film B devices of the first concentrated water case
Water inlet connection, the fresh water outlet mouth of one-level film B devices connects with the water inlet of the first fresh-water tank, one-level film B devices it is dense
Water delivery port connects with the water inlet of CWO reaction system；The delivery port of first fresh-water tank and secondary membrane A devices
Water inlet connects, and the fresh water outlet mouth of secondary membrane A devices connects with the water inlet of the second fresh-water tank, the concentrated water of secondary membrane A devices
Delivery port connects with the water inlet of the second concentrated water case, and the delivery port of the second concentrated water case connects with the water inlet of secondary membrane B devices, and two
The concentrated water delivery port of level film B devices connects with the water inlet of CWO reaction system, the fresh water outlet of secondary membrane B devices
Mouth connects with the water inlet of the second fresh-water tank, and the delivery port of the second fresh-water tank connects with the water inlet of three-level film device, acid adding dress
Put the pipeline communication with connecting the second fresh-water tank and three-level film device；The delivery port of CWO reaction system and middle water
The inlet pipeline connection of case；
The concentrated water delivery port of three-level film device connects with the water inlet of spray evaporation device, the fresh water outlet of three-level film device
Mouth connects with the water inlet of the 3rd fresh-water tank, and the delivery port of the 3rd fresh-water tank connects with the water inlet of level Four film device, and second
Adder-subtractor and the pipeline communication for connecting the 3rd fresh-water tank and level Four film device；The fresh water outlet mouth of level Four film device and the 4th light
The water inlet connection of water tank, the delivery port of the 4th fresh-water tank connect with the water inlet of COD/ phenol concentration detection apparatus, and COD/ phenol is dense
The delivery port of degree detection means connects with fresh water reclamation set, the delivery port of COD/ phenol concentration detection apparatus also with three-level film device
Water inlet connection, be provided with the first magnetic valve on the pipeline of connection COD/ phenol concentration detection apparatus and fresh water reclamation set, even
Logical COD/ phenol concentration detection apparatus with being provided with second solenoid valve on the pipeline of the water inlet of three-level film device, the first magnetic valve and
Control system of the second solenoid valve with COD/ phenol concentration detection apparatus is connected；The concentrated water delivery port and spraying steam of level Four film device
The water inlet connection of transmitting apparatus, the condensate liquid delivery port of spray evaporation device connect with the water inlet of the 4th fresh-water tank.
The artificial swamp pond is followed successively by water plant, organic fabric and cobblestone, artificial swamp pond left side from top to bottom
Upper end is provided with inlet pipeline, and lower end is provided with outlet pipeline on the right side of artificial swamp pond, and inlet pipeline and outlet pipeline are equipped with valve.
The water plant is reed, wild rice stem, Eichhornia crassipes, umbrella grass, rush.
The outlet pipeline in the artificial swamp pond is provided with external transparent pipe.
Also include active carbon microwave regenerating unit, active carbon microwave regenerating unit passes through activated carbon inlet pipeline and activated carbon
Outlet conduit connects with activated carbon adsorber respectively.
The spray evaporation device is single effect evaporation or multiple-effect evaporation.
Flocculant adding apparatus, coagulant adding set and air supporting air-dissolving apparatus, gas are provided with the air supporting sedimentation basin
Shallow lake bottom of pond portion of drifting along is provided with mud collection device, and the slag notch of air supporting sedimentation basin connects with the slag inlet of plate and frame filter press, plate
The filtrate (liquid of frame filter press connects with air supporting sedimentation basin.
The one-level film A devices, one-level film B devices, secondary membrane A devices, secondary membrane B devices, three-level film device and level Four
Film used in film device is pellicle.
Relative to prior art, device provided by the utility model, convenient operation and management, automaticity is high, running cost
With relatively low, non-secondary pollution, coking chemical waste water can be effectively administered, realizes wastewater zero discharge substantially, thoroughly eliminate having in waste water
The destruction to environment such as machine thing, ammonia nitrogen and salinity, while all waste water are subjected to high-quality reuse.
The utility model provides perfect pretreatment system, and sewage is introduced into artificial swamp pond, remove suspension, big
Grain impurity and sludge, sludge etc. are largely trapped on organic fabric layer, only need to be organic fabric layer when needing to clear up precipitation
Taking-up, it is not necessary to cobblestone layer is all taken out, shortens the clearance time of artificial swamp.Set on outlet pipeline outer
Connect transparent pipe, the convenient height for observing sanitary sewage, in order to supplement sewage in time.
Organic matter, the degraded biochemistry that charcoal absorption and microwave activated carbon regeneration can be removed further in water body can not be handled
Larger molecular organicses, air supporting sedimentation basin by air supporting and precipitation two kinds of techniques be combined together, softening crystallizer can remove water body
In hardness eliminate the fouling factor, work along both lines and solve organic matter, SS, hardness etc. to pellicle and the operating knot of spray evaporation
Dirt, coking influence, and drastically increase the possibility that bi-membrane method realizes industrialization promotion in Treatment of Coking Effluent and recycling field.
Evaporation is evaporated using vacuum spraying, the evaporation of water is evaporated by traditional surface evaporation for solid space, it evaporates
Intensity is traditional 10-50 times, can reduce evaporation equipment specification, and low-grade more than 85 DEG C of hot water can be used as heating
Medium, energy consumption is both reduced, realize energy-saving, and can effectively eliminates the bubble-related issues in evaporation process, and guarantee system is steadily transported
OK.
One-level concentrated water and two level concentrated water are entered by CWO reaction system to the organic compound in coking chemical waste water
Row degraded, small molecule are oxidized to water and carbon dioxide, so as to reduce the content of the organic matter in coking chemical waste water and reduce coking
COD in waste water, the concentrated water degraded again return to intermediate water tank and filtered again；Coking provided by the utility model is given up
The processing system of water can the polluter such as high COD, difficult degradation, high bio-toxicity effectively in Treatment of Wastewater in Coking, so as to obtain
Pure water is back to production, realizes wastewater zero discharge, has economical and environmentally friendly double effectses, has good social benefit and environment
Benefit.
Brief description of the drawings
Fig. 1 is flow chart of the present utility model.
Wherein, 1 is foul water tank；2 be artificial swamp pond；201 be water plant；202 be organic fabric；203 be cobblestone；
3 be activated carbon adsorber；4 be regulating reservoir；5 be air supporting sedimentation basin；501 be flocculant adding apparatus；502 be coagulant addition dress
Put；503 be dissolved air floatation device；504 be mud collection device；505 be plate and frame filter press；6 be accurate filter；7 be softening
Crystallizer；8 be to remove hard medicament adding apparatus；9 be intermediate water tank；10 be one-level film A devices；11 be the first adder-subtractor；12 are
First fresh-water tank；13 be the first concentrated water case；14 be one-level film B devices；15 be secondary membrane A devices；16 be the second fresh-water tank；17 are
Second concentrated water case；18 be secondary membrane B devices；19 be three-level film device；20 be means for feeding acid；21 be spray evaporation device；22 are
CWO reaction system；23 be COD/ phenol concentration detection apparatus；24 be fresh water reclamation set；25 be the first magnetic valve；
26 be second solenoid valve；27 be the 3rd fresh-water tank；28 be level Four film device；29 be the 4th fresh-water tank；30 be the second adder-subtractor；
31 be active carbon microwave regenerating unit.
Embodiment
As shown in Figure 1, a kind of coking wastewater processing system, including foul water tank 1, foul water tank 1 are entered with artificial swamp pond 2
Water lines connect, and the outlet pipeline in artificial swamp pond 2 connects with the inlet pipeline of activated carbon adsorber 3, activated carbon adsorber 3
Outlet pipeline connects with the inlet pipeline of regulating reservoir 4, and the outlet pipeline of regulating reservoir 4 connects with the inlet pipeline of air supporting sedimentation basin 5,
The outlet pipeline of air supporting sedimentation basin 5 connects with the inlet pipeline of accurate filter 6, the outlet pipeline of accurate filter 6 and softening
The inlet pipeline connection of crystallizer 7, except hard medicament adding apparatus 8 is with connecting accurate filter 6 and softening the pipeline company of crystallizer 7
Logical, the outlet conduit of softening crystallizer 7 connects with the inlet pipeline of intermediate water tank 9；
The outlet pipeline of intermediate water tank 9 connects with the inlet pipeline of one-level film A devices 10, and the first adder-subtractor 11 is with connecting
The pipeline communication of intermediate water tank 9 and one-level film A devices 10, the fresh water outlet mouth of one-level film A devices 10 enter with the first fresh-water tank 12
The mouth of a river connects, and the concentrated water delivery port of one-level film A devices 10 connects with the water inlet of the first concentrated water case 13, and the first concentrated water case 13 goes out
The mouth of a river connects with the water inlet of one-level film B devices 14, the water inlet of the fresh water outlet mouth and the first fresh-water tank 12 of one-level film B devices 14
Mouth connection, the concentrated water delivery port of one-level film B devices 14 connect with the water inlet of CWO reaction system 22；First fresh water
The delivery port of case 12 connects with the water inlet of secondary membrane A devices 15, the fresh water outlet mouth and the second fresh-water tank of secondary membrane A devices 15
16 water inlet connection, the concentrated water delivery port of secondary membrane A devices 15 connect with the water inlet of the second concentrated water case 17, the second concentrated water case
17 delivery port connects with the water inlet of secondary membrane B devices 18, the concentrated water delivery port and CWO of secondary membrane B devices 18
The water inlet connection of reaction system 22, the fresh water outlet mouth of secondary membrane B devices 18 connect with the water inlet of the second fresh-water tank 16, the
The delivery port of two fresh-water tanks 16 connects with the water inlet of three-level film device 19, and means for feeding acid 20 is with connecting the second fresh-water tank 16 and three
The pipeline communication of level film device 19；The delivery port of CWO reaction system 22 connects with the inlet pipeline of intermediate water tank 9；
The concentrated water delivery port of three-level film device 19 connects with the water inlet of spray evaporation device 21, three-level film device 19 it is light
Water delivery port connects with the water inlet of the 3rd fresh-water tank 27, and the delivery port of the 3rd fresh-water tank 27 enters water with level Four film device 28
Mouth connection, pipeline communication of second adder-subtractor 30 with connecting the 3rd fresh-water tank 27 and level Four film device 28；Level Four film device 28
Fresh water outlet mouth connected with the water inlet of the 4th fresh-water tank 29, the delivery port of the 4th fresh-water tank 29 fills with COD/ phenol Concentration Testing
23 water inlet connection is put, the delivery port of COD/ phenol concentration detection apparatus 23 connects with fresh water reclamation set 24, COD/ phenol concentration
Water inlet of the delivery port of detection means 23 also with three-level film device 19 connects, connection COD/ phenol concentration detection apparatus 23 and fresh water
The first magnetic valve 25, connection COD/ phenol concentration detection apparatus 23 and three-level film device 19 are provided with the pipeline of reclamation set 24
Be provided with second solenoid valve 26 on the pipeline of water inlet, the first magnetic valve 25 and second solenoid valve 26 with COD/ phenol Concentration Testings
The control system connection of device 23；The concentrated water delivery port of level Four film device 28 connects with the water inlet of spray evaporation device 21, spray
The condensate liquid delivery port of mist vaporising device 21 connects with the water inlet of the 4th fresh-water tank 29.
Artificial swamp pond 2 is followed successively by water plant 201, organic fabric 202 and cobblestone 203, artificial swamp from top to bottom
The left side upper end of pond 2 is provided with inlet pipeline, and the right side lower end of artificial swamp pond 2 is provided with outlet pipeline, and inlet pipeline and outlet pipeline are equal
Provided with valve.
Water plant 201 is reed, wild rice stem, Eichhornia crassipes, umbrella grass, rush.
The outlet pipeline in artificial swamp pond 2 is provided with external transparent pipe.
Also include active carbon microwave regenerating unit 31, active carbon microwave regenerating unit 31 passes through activated carbon inlet pipeline and work
Property charcoal outlet conduit connects with activated carbon adsorber 3 respectively.
Spray evaporation device 21 is single effect evaporation or multiple-effect evaporation.
Flocculant adding apparatus 501, coagulant adding set 502 and air supporting air-dissolving apparatus are provided with air supporting sedimentation basin 5
503, the bottom of air supporting sedimentation basin 5 is provided with mud collection device 504, slag notch and the plate and frame filter press 505 of air supporting sedimentation basin 5
Slag inlet connects, and the filtrate (liquid of plate and frame filter press 505 connects with air supporting sedimentation basin 5.
One-level film A devices 10, one-level film B devices 14, secondary membrane A devices 15, secondary membrane B devices 18, three-level film device 19
With level Four film device 28 used in film be pellicle.
The course of work of the present utility model is as follows：Coking chemical waste water is introduced into artificial swamp pond 2 by foul water tank 1, removes outstanding
Float, large granular impurity and sludge, sludge etc. are largely trapped on organic fabric layer, when needing to clear up precipitation, only need handle
Organic fabric layer takes out, it is not necessary to all takes out cobblestone layer, shortens the clearance time of artificial swamp.In outlet pipe
External transparent pipe, the convenient height for observing sanitary sewage, in order to supplement sewage in time are set on road.
And then sewage enters activated carbon adsorber 3, after portion of residual organic matter and pigment are tightly held by activated carbon, into tune
Pond 4 is saved, the major function of regulating reservoir is regulating pondage, mixes well water quality；The sewage mixed well enters air supporting sedimentation basin 5, air supporting precipitation
Two kinds of techniques of air supporting and precipitation are combined together by pond 5, and flocculant adding apparatus 501, coagulant are provided with air supporting sedimentation basin 5
Adding set 502 and air supporting air-dissolving apparatus 503, its major function are by launching flocculant in sewage and into sewage
Tiny air is dissolved in, partial organic substances in sewage is adhered to microbubble surface, its density is less than water, so as to float up to water
Face；The another part organic matter flco larger with coagulant reaction generation density, flco sink, further removed in sewage
Organic matter；The bottom of air supporting sedimentation basin 5 is provided with mud collection device 504, after mud collection device 504 concentrates scum silica frost and sediment
It is dehydrated by plate and frame filter press 505, the filter cake outward transport after press filtration, filtrate is returned in air supporting sedimentation basin 5.
Filtered after removal of impurities by accurate filter 8 and enter softening crystallizer 7, by except hard medicament adding apparatus 8 is to sewage
Middle addition removes hard medicament, removes Ca, Mg hardness in sewage, and the sewage after softening crystallizes then is poured into intermediate water tank 9
Carry out temporary transient storage and mitigation.
PH value is adjusted to after 10-11 by the first adder-subtractor 11 plus alkali, the sewage in intermediate water tank 9 enters one-level film A
Device 10, one-level A concentrated waters and one-level A fresh water are separated into, one-level A concentrated waters enter the first concentrated water case 13, and one-level A fresh water enters first
Fresh-water tank 12, the one-level A concentrated waters in the first concentrated water case 13 enter one-level film B devices 14, are separated into one-level B concentrated waters and one-level B is light
Water, one-level B concentrated waters enter CWO reaction system 22, and one-level B fresh water enters in the first fresh-water tank 12；
Sewage in first fresh-water tank 12 enters secondary membrane A devices 15, is divided into two level A concentrated waters and two level A fresh water, two level A
Concentrated water enters in the second concentrated water case 17, and two level A fresh water enters in the second fresh-water tank 16, and the concentrated water in the second concentrated water case 17 enters two
Level film B devices 18, two level B concentrated waters and two level B fresh water being separated into, two level B concentrated waters enter in CWO reaction system 22,
Two level B fresh water enters in the second fresh-water tank 16；
CWO reaction system 22 is used to the concentrated water after UF membrane is degraded and aoxidized, through degraded and oxygen
The sewage of change again returns in intermediate water tank 9 and is filtered and separated again.
Coking chemical waste water by pretreatment adds NaOH by the first adder-subtractor 11 and adjusts pH value after 10-11, to enter
One-level film process stage, one-level film A and one-level film B use pellicle, and molecular weight can be more than to 300 organic matter and moisture
From；In coking chemical waste water, the phenols in raw water can be retained in the concentrated water side of film by they, and be concentrated decrement, after concentration
Concentrated water pass through CWO reaction system 22 degraded and oxidation, remove phenols, still contain through the fresh water of one-level film
Small part phenols is, it is necessary to further handle concentration by secondary membrane.
It is charge that one-level film is characterized in greatly that membrane body carries very much, and this is that it still removes organic matter under very low-pressure with higher
The major reason of performance.One-level film can be used for organics removal and colourity, the utility in reserve ration and separation medicine
Deng being played an important role in the valuable organic substance recovery process of industrial wastewater.
Secondary membrane A and secondary membrane B separation object is that the inorganic matter in sewage in ionic condition has with most
Machine thing, can be by rejection to organics of the molecular weight more than 100 in concentrated water side, and two level concentrated water passes through catalytic wet as one-level concentrated water
The degraded and oxidation of oxidation system 22, remove phenols.The major function of secondary membrane is further removes in one-level film water outlet
The aldehydes matter contained, so that its minimizing, fresh water enters three-level film process.
It is 3-4 that fresh water first passes through means for feeding acid 20 plus acid for adjusting pH value before three-level film device 19 is entered, three-level film
Operating pressure is higher, and between 6-8Mpa, three-level film can further remove the phenols still contained in secondary membrane water outlet under high pressure
Material, the sewage in the second fresh-water tank 16 enter three-level film device 19, are separated into three-level concentrated water and three-level fresh water, three-level fresh water leads to
Cross the 3rd fresh-water tank 27 to enter in level Four film device 28, be separated into level Four concentrated water and level Four fresh water, three-level concentrated water and level Four concentrated water
It is evaporated into spray evaporation device 21, evaporation condensate enters in the 4th fresh-water tank 29 with level Four fresh water, evaporates
To solid salt sold as byproduct reuse or outside；
Before three-level fresh water enters level Four film device 28, pH value is adjusted to 6-7 by the second adder-subtractor 30 plus alkali, four
Level film needs to work in acid condition, in order to and the ammonia nitrogen in sewage is removed, also further removes COD simultaneously, so as to
Three-level fresh water is set further to purify.
Fresh water in 4th fresh-water tank 29 is introduced into COD/ phenol concentration detection apparatus 23, and the COD/ phenol concentration of fresh water is carried out
Detection, if the COD/ phenol concentration of fresh water is less than setting value, meets to require, can recycle, the first magnetic valve 25 is opened, light
Water enters fresh water reclamation set 24；
If the COD/ phenol concentration of fresh water is higher than setting value, second solenoid valve 26 is opened, and fresh water returns to three-level film device
Water inlet re-starts filtering, so while the fresh water for ensureing output meets to require, also whether can find filter membrane in time
Go wrong, convenient maintenance in time, finally give COD/ phenol concentration and meet requirement, the fresh water of recoverable, and by sewage
Alkali collection utilizes, and reduces the waste of chemical raw material, realizes the comprehensive utilization of the industrial wastewater, reduce environmental pollution, and has more
Significant economic benefit and social benefit.
Mainly cleaned after fouling membrane with alkaline cleaner, cleaning fluid is reusable repeatedly, and it is that a kind of concentration is higher
Organic solution, after can not mix as fuel combustion to fall in coal, the cleaning of film mainly uses on-line auto-cleaning after use
Usual per tour is once.
It is noted that equipment used in said system, is commercially available existing equipment, is commercially available,
Simply sewage treatment equipment is formed in the utility model with them.
Above-described is only preferred embodiment of the present utility model, it is noted that for those skilled in the art
For, under the premise of the utility model general idea is not departed from, some changes and improvements can also be made, these should also be considered as
The scope of protection of the utility model.
Claims (8)
- A kind of 1. coking wastewater processing system, it is characterised in that：Including foul water tank（1）, foul water tank（1）With artificial swamp pond（2） Inlet pipeline connection, artificial swamp pond（2）Outlet pipeline and activated carbon adsorber（3）Inlet pipeline connection, activated carbon Adsorption tower（3）Outlet pipeline and regulating reservoir（4）Inlet pipeline connection, regulating reservoir（4）Outlet pipeline and air supporting sedimentation basin （5）Inlet pipeline connection, air supporting sedimentation basin（5）Outlet pipeline and accurate filter（6）Inlet pipeline connection, accurate mistake Filter（6）Outlet pipeline with softening crystallizer（7）Inlet pipeline connection, except hard medicament adding apparatus（8）With connecting precision Filter（6）With softening crystallizer（7）Pipeline communication, soften crystallizer（7）Outlet conduit and intermediate water tank（9）Water inlet Pipeline connection；Intermediate water tank（9）Outlet pipeline and one-level film A devices（10）Inlet pipeline connection, the first adder-subtractor（11）With connecting Logical intermediate water tank（9）With one-level film A devices（10）Pipeline communication, one-level film A devices（10）Fresh water outlet mouth and the first fresh water Case（12）Water inlet connection, one-level film A devices（10）Concentrated water delivery port and the first concentrated water case（13）Water inlet connection, the One concentrated water case（13）Delivery port and one-level film B devices（14）Water inlet connection, one-level film B devices（14）Fresh water outlet mouth With the first fresh-water tank（12）Water inlet connection, one-level film B devices（14）Concentrated water delivery port and CWO reaction system System（22）Water inlet connection；First fresh-water tank（12）Delivery port and secondary membrane A devices（15）Water inlet connection, secondary membrane A devices（15）Fresh water outlet mouth and the second fresh-water tank（16）Water inlet connection, secondary membrane A devices（15）Concentrated water delivery port With the second concentrated water case（17）Water inlet connection, the second concentrated water case（17）Delivery port and secondary membrane B devices（18）Water inlet Connection, secondary membrane B devices（18）Concentrated water delivery port and CWO reaction system（22）Water inlet connection, secondary membrane B devices（18）Fresh water outlet mouth and the second fresh-water tank（16）Water inlet connection, the second fresh-water tank（16）Delivery port and three Level film device（19）Water inlet connection, means for feeding acid（20）With connecting the second fresh-water tank（16）With three-level film device（19）Pipe Road connects；CWO reaction system（22）Delivery port and intermediate water tank（9）Inlet pipeline connection；Three-level film device（19）Concentrated water delivery port and spray evaporation device（21）Water inlet connection, three-level film device（19）'s Fresh water outlet mouth and the 3rd fresh-water tank（27）Water inlet connection, the 3rd fresh-water tank（27）Delivery port and level Four film device（28） Water inlet connection, the second adder-subtractor（30）With connecting the 3rd fresh-water tank（27）With level Four film device（28）Pipeline communication； Level Four film device（28）Fresh water outlet mouth and the 4th fresh-water tank（29）Water inlet connection, the 4th fresh-water tank（29）Delivery port With COD/ phenol concentration detection apparatus（23）Water inlet connection, COD/ phenol concentration detection apparatus（23）Delivery port and fresh water reuse Device（24）Connection, COD/ phenol concentration detection apparatus（23）Delivery port also with three-level film device（19）Water inlet connection, even Logical COD/ phenol concentration detection apparatus（23）With fresh water reclamation set（24）Pipeline on be provided with the first magnetic valve（25）, connection COD/ phenol concentration detection apparatus（23）With three-level film device（19）Water inlet pipeline on be provided with second solenoid valve（26）, the One magnetic valve（25）And second solenoid valve（26）With COD/ phenol concentration detection apparatus（23）Control system connection；Level Four film fills Put（28）Concentrated water delivery port and spray evaporation device（21）Water inlet connection, spray evaporation device（21）Condensate liquid water outlet Mouth and the 4th fresh-water tank（29）Water inlet connection.
- 2. the coking wastewater processing system described in a claim 1, it is characterised in that：The artificial swamp pond（2）From top to bottom It is followed successively by water plant（201）, organic fabric（202）And cobblestone（203）, artificial swamp pond（2）Left side upper end is provided with water inlet Pipeline, artificial swamp pond（2）Right side lower end is provided with outlet pipeline, and inlet pipeline and outlet pipeline are equipped with valve.
- 3. the coking wastewater processing system described in a claim 2, it is characterised in that：The water plant（201）For reed, hay In vain, Eichhornia crassipes, umbrella grass, rush.
- 4. the coking wastewater processing system described in a claim 2, it is characterised in that：The artificial swamp pond（2）Outlet pipe Road is provided with external transparent pipe.
- 5. the coking wastewater processing system described in a claim 1, it is characterised in that：Also include active carbon microwave regenerating unit （31）, active carbon microwave regenerating unit（31）By activated carbon inlet pipeline and activated carbon outlet conduit respectively with charcoal absorption Tower（3）Connection.
- 6. the coking wastewater processing system described in a claim 1, it is characterised in that：The spray evaporation device（21）For single-action Evaporation or multiple-effect evaporation.
- 7. the coking wastewater processing system described in a claim 1, it is characterised in that：The air supporting sedimentation basin（5）Inside it is provided with Flocculant adding apparatus（501）, coagulant adding set（502）With air supporting air-dissolving apparatus（503）, air supporting sedimentation basin（5）Bottom It is provided with mud collection device（504）, air supporting sedimentation basin（5）Slag notch and plate and frame filter press（505）Slag inlet connection, plate Frame filter press（505）Filtrate (liquid and air supporting sedimentation basin（5）Connection.
- 8. the coking wastewater processing system described in a claim 1, it is characterised in that：The one-level film A devices（10）, one-level film B devices（14）, secondary membrane A devices（15）, secondary membrane B devices（18）, three-level film device（19）With level Four film device（28）Made Film is pellicle.
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| CN201720885483.7U CN207016647U (en) | 2017-07-20 | 2017-07-20 | A kind of coking wastewater processing system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751578A (en) * | 2018-05-29 | 2018-11-06 | 榆林学院 | A kind of apparatus for treating carbonized waste water and processing method |
| CN111115939A (en) * | 2020-02-24 | 2020-05-08 | 上海电气集团股份有限公司 | Organic wastewater treatment system and method |
| CN114212950A (en) * | 2021-12-16 | 2022-03-22 | 北京森淼天成环保科技有限公司 | Coking wastewater treatment system |
-
2017
- 2017-07-20 CN CN201720885483.7U patent/CN207016647U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751578A (en) * | 2018-05-29 | 2018-11-06 | 榆林学院 | A kind of apparatus for treating carbonized waste water and processing method |
| CN108751578B (en) * | 2018-05-29 | 2023-09-12 | 榆林学院 | Coking wastewater treatment device and treatment method |
| CN111115939A (en) * | 2020-02-24 | 2020-05-08 | 上海电气集团股份有限公司 | Organic wastewater treatment system and method |
| CN114212950A (en) * | 2021-12-16 | 2022-03-22 | 北京森淼天成环保科技有限公司 | Coking wastewater treatment system |
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