CN205710180U - A kind of coking wastewater containing phenol and cyanide advanced treatment system - Google Patents
A kind of coking wastewater containing phenol and cyanide advanced treatment system Download PDFInfo
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- CN205710180U CN205710180U CN201620301133.7U CN201620301133U CN205710180U CN 205710180 U CN205710180 U CN 205710180U CN 201620301133 U CN201620301133 U CN 201620301133U CN 205710180 U CN205710180 U CN 205710180U
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Abstract
This utility model relates to a kind of coking wastewater containing phenol and cyanide advanced treatment system, including dosing pond, quickly agitating reaction pond, stirring at low speed reaction tank, sedimentation tank, first order reaction pond, aerated reaction pond, secondary response pond, tube settler, sand filter, Roots blower, sludge-tank, filter press, medicine system forms, dosing pond, quickly agitating reaction pond, stirring at low speed reaction tank, sedimentation tank, first order reaction pond, aerated reaction pond, secondary response pond, tube settler, sand filter is sequentially connected in series connection, sedimentation tank, mud discharging mouth it is respectively equipped with on tube settler, and mud discharging mouth is connected with sludge-tank respectively.
Description
Technical field
This utility model relates to a kind of coking Phenol cyanide wastewater treatment system, and particularly a kind of coking wastewater containing phenol and cyanide is deep
Degree processing system.
Background technology
Along with environmental requirement is increasingly stricter, on January 1st, 2015 comes into effect up-to-date " coking chemistry work
Industry pollutant emission standard " (GB16171-2012) standard, directly the CODcr of discharge requires less than 80mg/L,
The CODcr of discharge requires less than 150mg/L indirectly.Current independent coke-oven plant is basic by the ammonia nitrogen that early stage is biochemical
Can be up to standard, but owing to biochemical pollutant levels difficult in sewage are higher, the CODcr of bio-chemical effluent is basic
At about 200-350mg/L, substantially achieving 100-200mg/L by conventional materializing strategy CODcr,
150mg/L to be reached even 80mg/L is extremely difficult, and our company develops this process for this present situation
Waste water after biochemistry is processed qualified discharge further.
Summary of the invention
The purpose of this utility model is contemplated to the weak point avoided in background technology, it is provided that a kind of coking phenol
Cyanogen advanced waste treatment system.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that a kind of coking wastewater containing phenol and cyanide degree of depth
Processing system, anti-including dosing pond, quick agitating reaction pond, stirring at low speed reaction tank, sedimentation tank, one-level
Ying Chi, aerated reaction pond, secondary response pond, tube settler, sand filter, Roots blower, sludge-tank,
Filter press, medicine system form, dosing pond, quick agitating reaction pond, stirring at low speed reaction tank, heavy
Pond, shallow lake, first order reaction pond, aerated reaction pond, secondary response pond, tube settler, sand filter are sequentially connected in series
Connection, sedimentation tank, tube settler be respectively equipped with mud discharging mouth, and mud discharging mouth respectively with mud
Pond connection connects.
A kind of optimize for of the present utility model, dosing pond is respectively arranged with acid dosing system, iron salt adds
System, hydrogen peroxide dosing system.
For a kind of optimization of the present utility model, first order reaction pond is provided with alkali dosing system.
For a kind of optimization of the present utility model, secondary response pond is respectively arranged with PAC dosing system, PAM
Dosing system, Powdered Activated Carbon dosing system.
For a kind of optimization of the present utility model, described coking wastewater containing phenol and cyanide advanced treatment system also includes air blast
Machine, aerator supplies respectively in being separately positioned on dosing pond, quick agitating reaction pond, first order reaction pond, exposure
Aeration agitation system in solid/liquid/gas reactions pond, secondary response pond and sand filter and or aerating system.
For a kind of optimization of the present utility model, divide in stirring at low speed reaction tank (1), secondary response pond (7)
It is not equipped with stirring system.
For a kind of optimization of the present utility model, dosing pond is made up of four lattice ponds, and the respectively first lattice pond
Son, the second lattice pond, the 3rd lattice pond and the 4th lattice pond, acid dosing system and the connection of the first lattice pond are even
Connecing, iron salt dosing system and the connection of the 3rd lattice pond connect, hydrogen peroxide dosing system and acid dosing system and the
Four lattice pond connections connect.
For a kind of optimization of the present utility model, secondary response pond is arranged in order by four reaction grid ponds and constitutes, and four
Reaction grid pond is respectively the first reaction grid pond, the second reaction grid pond, the 3rd reaction grid pond and the 4th reaction grid pond,
Strong aeration agitation system it is provided with, the 3rd reaction grid pond, the 4th in first reaction grid pond, the second reaction grid pond
Being provided with slow mechanical stirring system in reaction grid pond, the first reaction grid pond is connected with PAC dosing system,
Second reaction grid pond is connected with PAM dosing system, the 4th reaction grid pond and Powdered Activated Carbon dosing system
Connection connects.
Technical scheme 2: a kind of coking wastewater containing phenol and cyanide advanced treatment process, coking wastewater containing phenol and cyanide is through biochemistry precipitation
Rear entrance dosing pond, by being mixed by aeration after adding acid, iron salt, hydrogen peroxide, enters back into quickly stirring
Reaction tank forms bigger particle, enters back into the bulky grain suspension that stirring at low speed reaction tank makes to be previously formed
Thing is gathered into the suspended sludge of larger particle during low rate mixing again, is removed by sedimentation tank and suspends
The particles such as mud, mud periodic exhaustion to sludge concentration tank, sedimentation tank supernatant enters back into subsequent stage
Reaction tank, adds decolouring alkali, and polluter is removed in reaction decolouring further, then by aerated reaction pond by sky
The calcium ion reaction formation precipitation of calcium carbonate absorption polluter that in gas, carbon dioxide blasts and decolours in alkali, mixed
Conjunction liquid, in entering secondary response pond, adds the further coagulating of PAC, PAM, then passes through tube settler
Carrying out mud-water separation, mud periodic exhaustion to sludge-tank, after supernatant removes oil removal finally by sand filter
Discharge.
For a kind of optimization of the present utility model, the first lattice pond in dosing pond adds hydrochloric acid, the second lattice pond
Automatically control the chemical feeding quantity of the first lattice with pH meter, control the pH in the second lattice pond at 2-4, in the 3rd lattice pond
Adding iron salt in son, iron salt is chlorate ferrum or ferrous sulfate, and the dosage of iron salt is at 200mg/L
-400mg/L, then in the 4th lattice pond, add hydrogen peroxide, the dosage of hydrogen peroxide is at 1500mg/L
-2500mg/L, the time of staying in each pond is 3-5min, and each pond is all mixed by aeration agitation.
For a kind of optimization of the present utility model, quick agitating reaction pond uses aeration agitation mixing, and water is in pond
The time of staying in son is 1h-2.5h, sets multiple baffle plate and prevent the short stream of water in pond；Stirring at low speed reaction tank is adopted
Use mechanical type reaction tank, be 1h-2.5h during water stop in pond, set 3 gears-4 in pond and keep off blenders；
Sedimentation tank uses vertical sedimentation basin and width flow settling pond, and the water effective time of staying in pond is 2-3h；
Sedimentation tank supernatant enters back into first order reaction pond, adds special decolouring alkali in first order reaction pond, controls one
PH in order reaction pond is 15min-30min in 8-11, the water time of staying in first order reaction pond；One
The water outlet of order reaction pond enters aerated reaction pond, and the pH after aerated reaction is at 8.0-9.0, and water is in aerated reaction pond
In effective time of staying be 4h-5h；The water outlet of aerated reaction pond enters back into secondary response pond, secondary response pond
Being made up of 4 lattice, the time of staying in every reaction grid pond is 3-5min, the first reaction grid pond, the second reaction grid pond
Strong aeration agitation, the 3rd reaction grid pond, the 4th reaction grid pond is used to use slow mechanical stirring, then add PAC
And PAM carries out flocculation reaction, make flco become bigger suspended granular sludge, add in the first reaction grid pond
Enter the dosage of PAC, PAC at 100mg/L-400mg/L.PAM, PAM is added in the second reaction grid pond
Dosage at 0.5mg/L-5mg/L, in the 4th reaction grid pond, adding Powdered Activated Carbon, by powder live
Property charcoal and water are uniformly mixed to form suspension, are added by dosing pump and adsorb polluter further, dosage
At 200mg/L-500mg/L；The water outlet of secondary response pond enters tube settler, water effectively stopping in pond
Staying the time is 2h-3h；Tube settler water outlet removes oil removal further at entrance sand filter, fills in pond
Filling out the quartz sand of different-diameter, the water effective time of staying in pond is 15min-20min, controls water and exists
Flow velocity in pond is 5.5m/h-7.5m/h.
This utility model, compared with background technology, is had and is stirred by dosing pond, quick agitating reaction pond, low speed
Can remove the CODcr of 50-70% in water after mixing reaction tank, sedimentation tank dosing reaction, the CODcr of water outlet is basic
On at 100-150mg/L；Added by first order reaction pond, aerated reaction pond, secondary response pond, tube settler
The CODcr of 40-50% in water, the CODcr of water outlet can be removed after medicine reaction can control within 80mg/L；Whole
System system can use civil engineering and steel construction pond；All medicine systems use and automatically control, can be according to system
Water inlet pollutant levels, are adjusted automatically by PLC, and automaticity is high；Use twice precipitation dosing reaction,
High to the removal ability of water pollutant, can be adjusted according to the influent quality of system, system mobility strong,
Operating flexibility is high；System end adds Powdered Activated Carbon and finally adsorbs, can be according to effluent quality situation
Automatically adjusting, system stability is high；Special decolouring alkali is added in first order reaction pond, decolouring alkali
Be mainly composed of Calx, and add multiple additives and auxiliary material is made, have dephosphorization, remove SS and certain
A little heavy metals, regulate PH, improve the effects such as water quality, good to the removal effect of polluter；It is applicable to now
The transformation of all coking wastewater processing systems, it is only necessary to after bio-chemical effluent, increases this technique, is suitable for
Property, practical；Using the principles such as physics dosing response system, responding time is short, and outlet effect is obvious.
Accompanying drawing explanation
Fig. 1 is that the system of coking wastewater containing phenol and cyanide advanced treatment system arranges block diagram.
Detailed description of the invention
Embodiment 1: with reference to Fig. 1.A kind of coking wastewater containing phenol and cyanide advanced treatment system, including dosing pond 1, soon
Speed agitating reaction pond 2, stirring at low speed reaction tank 3, sedimentation tank 4, first order reaction pond 5, aerated reaction pond 6,
Secondary response pond 7, tube settler 8, sand filter 9, aerator 18, sludge-tank 10, filter press,
Medicine system form, dosing pond 1, quick agitating reaction pond 2, stirring at low speed reaction tank 3, sedimentation tank 4,
First order reaction pond 5, aerated reaction pond 6, secondary response pond 7, tube settler 8, sand filter 9 are gone here and there successively
Lead in succession, sedimentation tank 4, tube settler 8 be respectively equipped with mud discharging mouth, and mud discharging mouth respectively with
Sludge-tank 10 connection connects.Stirring system it is equipped with respectively in stirring at low speed reaction tank 1, secondary response pond 7.
Acid dosing system 11, iron salt dosing system 12, hydrogen peroxide dosing system 13 it is respectively arranged with on dosing pond 1.
Alkali dosing system 14 it is provided with on first order reaction pond 5.It is respectively arranged with PAC and adds on secondary response pond 7 and be
System 15, PAM dosing system 16, Powdered Activated Carbon dosing system 17.Described coking wastewater containing phenol and cyanide advanced treating
It is anti-that system also includes that aerator 18, aerator 18 supply respectively in being separately positioned on dosing pond 1, quickly stirring
Answer the aeration agitation in pond 2, first order reaction pond 5, aerated reaction pond 6, secondary response pond 7 and sand filter
System and or aerating system, dosing pond 1 is made up of four lattice ponds, and the respectively first lattice pond, the second lattice
Pond, the 3rd lattice pond and the 4th lattice pond, acid dosing system 11 is connected with the first lattice pond, iron salt
Dosing system 12 is connected with the 3rd lattice pond, hydrogen peroxide dosing system 13 and acid dosing system 11 and the
Four lattice pond connections connect.Secondary response pond 7 is arranged in order by four reaction grid ponds and constitutes, and four reaction grid ponds are divided
Not being the first reaction grid pond, the second reaction grid pond, the 3rd reaction grid pond and the 4th reaction grid pond, the first lattice are anti-
It is provided with strong aeration agitation system, the 3rd reaction grid pond, the 4th reaction grid pond in Ying Chi, the second reaction grid pond
Inside being provided with slow mechanical stirring system, the first reaction grid pond is connected with PAC dosing system 15, and second
Reaction grid pond is connected with PAM dosing system 16, the 4th reaction grid pond and Powdered Activated Carbon dosing system 17
Connection connects.Aeration agitation system, aerating system and slow mechanical stirring system, aerator etc. are ability
Territory routine techniques, this utility model is not detailed at this.
Embodiment 2: with reference to Fig. 1.A kind of coking wastewater containing phenol and cyanide advanced treatment process, coking wastewater containing phenol and cyanide passes through
Enter dosing pond 1 after biochemical precipitation, by being mixed by aeration after adding acid, iron salt, hydrogen peroxide, enter back into
Quickly agitating reaction pond 2 forms bigger particle, enters back into stirring at low speed reaction tank 3 and makes to be previously formed
Bulky grain float during low rate mixing, be again gathered into the suspended sludge of larger particle, by heavy
The particles such as suspended sludge, mud periodic exhaustion to sludge concentration tank, sedimentation tank 4 supernatant are removed in pond, shallow lake 4
Liquid enters back into subsequent stage reaction tank 5, adds decolouring alkali, and polluter is removed in reaction decolouring further, then leads to
Cross aerated reaction pond 6 Carbon Dioxide in Air is blasted and decolour in alkali calcium ion reaction formed calcium carbonate sink
Form sediment absorption polluter, and mixed liquor, in entering secondary response pond 7, adds PAC by PAC dosing system 15
And add the further coagulating of PAM by PAM dosing system 16, then carried out by tube settler 8
Mud-water separation, mud periodic exhaustion to sludge-tank 10, after supernatant removes oil removal finally by sand filter 9
Discharge.Materialized mud enters sludge concentration tank, and after concentration, mud is squeezed into pressure filter by sludge pump, mud after filter pressing
Cake joint disposal.Sludge concentration tank supernatant and filter pressing water return collecting-tank.PAM is domestic conventional nonionic
Type high polymer coagulant, molecular weight 1,500,000-2,000 ten thousand, commodity concentration is generally 8%, and PAC is polymerization chlorine
Changing aluminum and be also referred to as aluminium chlorhydroxide, commonly referred to as water purification agent or coagulant, it is between AlCl3 and Al (OH) 3
Between a kind of water-soluble inorganic high molecular polymer.
The first lattice pond in dosing pond 1 adds hydrochloric acid, and the second lattice pond pH meter automatically controls adding of the first lattice
Dose, controls the pH in the second lattice pond at 2-4, adds iron salt in the 3rd lattice pond, and iron salt is chlorination
Salt ferrum or ferrous sulfate, the dosage of iron salt is at 200mg/L-400mg/L, then throws in the 4th lattice pond
Adding hydrogen peroxide, the dosage of hydrogen peroxide in 1500mg/L-2500mg/L, the time of staying in each pond is
3-5min, each pond is all mixed by aeration agitation.Quickly agitating reaction pond 2 uses aeration agitation to mix,
The water time of staying in pond is 1h-2.5h, sets multiple baffle plate and prevent the short stream of water in pond；Stirring at low speed is anti-
Answer pond 3 to use mechanical type reaction tank, be 1h-2.5h during water stop in pond, in pond, set 3 gears-4
Gear blender, the rotating speed system of blender calculates according to the linear velocity at pulpboard center of radius, and linear velocity is typically from the
0.5 meter per second of one gear is gradually decrease to 0.2 meter per second of end gear.Set multiple baffle plate in pond and prevent the short stream of water.
Sedimentation tank 4 uses vertical sedimentation basin and width flow settling pond, and the water effective time of staying in pond is
2-3h；
Sedimentation tank 4 supernatant enters back into first order reaction pond 5, adds decolouring alkali in first order reaction pond 5, decolouring
Alkali is the independent intellectual property right product of my company, is mainly composed of Calx, and adds multiple additives and auxiliary
Raw material is made, and is that my company researches and develops at the experiential basis of long-term waste water control, has dephosphorization, removal
SS and some heavy metal, regulate PH, improve the effects such as water quality.Decolouring alkali dosage depending on water quality situation,
The pH controlled in first order reaction pond 5 is 15min in 8-11, the water time of staying in first order reaction pond 5
-30min。
First order reaction pond 5 water outlet enters aerated reaction pond 6, is mainly composed of Calx, in water due to decolouring alkali
Calcium ion higher, easy fouling Gu aeration blasts air and makes the carbon dioxide in air, removes in water many
Remaining calcium ion, forms precipitation of calcium carbonate and adsorbs the polluter in water further, reduce the pH of water outlet, expose
PH after solid/liquid/gas reactions is at 8.0-9.0, and the water effective time of staying in aerated reaction pond 6 is 4h-5h.
Aerated reaction pond 6 water outlet enters back into secondary response pond 7, and secondary response pond 7 is made up of 4 lattice, and every lattice are anti-
The time of staying of Ying Chi is 3-5min, and the first reaction grid pond, the second reaction grid pond use strong aeration agitation, the
Three reaction grid ponds, the 4th reaction grid pond use slow mechanical stirring, owing in Aeration tank, suspension floc particle is relatively
Carefully, then add PAC and PAM and carry out flocculation reaction, make flco become bigger suspended granular sludge,
One reaction grid pond adds the dosage of PAC, PAC at 100mg/L-400mg/L.In the second reaction grid pond
The dosage of middle addition PAM, PAM, at 0.5mg/L-5mg/L, is adding powder in the 4th reaction grid pond
Activated carbon, is uniformly mixed to form suspension by Powdered Activated Carbon and water, adds absorption further by dosing pump
Polluter, dosage is at 200mg/L-500mg/L.
Secondary response pond 7 water outlet enters tube settler 8, and the water effective time of staying in pond is 2h
-3h, inclined tube uses the materials such as PP, FRP；Tube settler 8 water outlet is removed further at entrance sand filter 9
Float, loads the quartz sand of different-diameter in pond, the water effective time of staying in pond is 15min
-20min, controlling water flow velocity in pond is 5.5m/h-7.5m/h.Materialized mud enters sludge concentration tank,
After concentration, mud is squeezed into pressure filter by sludge pump, mud cake joint disposal after filter pressing.Sludge concentration tank supernatant and
Filter pressing water returns collecting-tank.By dosing pond, quick agitating reaction pond, stirring at low speed reaction tank, sedimentation tank
Can remove the CODcr of 50-70% in water after dosing reaction, the CODcr of water outlet is substantially at 100-150mg/L；
Water can be removed after being reacted by first order reaction pond, aerated reaction pond, secondary response pond, tube settler dosing
The CODcr of middle 40-50%, the CODcr of water outlet can control within 80mg/L；Dosing and control system use
PLC centralized Control；Total system can use civil engineering and steel construction pond.
It is to be understood that: the detailed description although this utility model is contrasted by the present embodiment, but
These explanations, simply to simple declaration of the present utility model rather than to restriction of the present utility model, any
Without departing from the innovation and creation in this utility model connotation, each fall within protection domain of the present utility model.
Claims (6)
- null1. a coking wastewater containing phenol and cyanide advanced treatment system，It is characterized in that including dosing pond (1)、Quickly agitating reaction pond (2)、Stirring at low speed reaction tank (3)、Sedimentation tank (4)、First order reaction pond (5)、Aerated reaction pond (6)、Secondary response pond (7)、Tube settler (8)、Sand filter (9)、Aerator (18)、Sludge-tank (10)、Filter press、Medicine system forms，Dosing pond (1)、Quickly agitating reaction pond (2)、Stirring at low speed reaction tank (3)、Sedimentation tank (4)、First order reaction pond (5)、Aerated reaction pond (6)、Secondary response pond (7)、Tube settler (8)、Sand filter (9) is sequentially connected in series connection，Sedimentation tank (4)、Tube settler is respectively equipped with mud discharging mouth on (8)，And mud discharging mouth is connected with sludge-tank (10) respectively.
- Coking wastewater containing phenol and cyanide advanced treatment system the most according to claim 1, it is characterized in that: on dosing pond (1), be respectively arranged with acid dosing system (11), iron salt dosing system (12), hydrogen peroxide dosing system (13), it is provided with alkali dosing system (14) on first order reaction pond (5), secondary response pond (7) are respectively arranged with PAC dosing system (15), PAM dosing system (16), Powdered Activated Carbon dosing system (17).
- Coking wastewater containing phenol and cyanide advanced treatment system the most according to claim 1, characterized by further comprising aerator (18), aerator (18) supplies the aeration agitation system in being separately positioned on dosing pond (1), quick agitating reaction pond (2), first order reaction pond (5), aerated reaction pond (6), secondary response pond (7) and sand filter and or aerating system respectively.
- Coking wastewater containing phenol and cyanide advanced treatment system the most according to claim 1, it is characterised in that stirring at low speed reaction tank (1), secondary response pond are equipped with stirring system in (7) respectively.
- Coking wastewater containing phenol and cyanide advanced treatment system the most according to claim 2, it is characterized in that dosing pond (1) is made up of four lattice ponds, and the respectively first lattice pond, the second lattice pond, the 3rd lattice pond and the 4th lattice pond, acid dosing system (11) is connected with the first lattice pond, iron salt dosing system (12) is connected with the 3rd lattice pond, and hydrogen peroxide dosing system (13) is connected with the 4th lattice pond with acid dosing system (11).
- Coking wastewater containing phenol and cyanide advanced treatment system the most according to claim 2, it is characterized in that secondary response pond (7) is arranged in order by four reaction grid ponds to constitute, four reaction grid ponds are respectively the first reaction grid pond, second reaction grid pond, 3rd reaction grid pond and the 4th reaction grid pond, first reaction grid pond, strong aeration agitation system it is provided with in second reaction grid pond, 3rd reaction grid pond, it is provided with slow mechanical stirring system in 4th reaction grid pond, first reaction grid pond is connected with PAC dosing system (15), second reaction grid pond is connected with PAM dosing system (16), 4th reaction grid pond is connected with Powdered Activated Carbon dosing system (17).
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| CN201620301133.7U CN205710180U (en) | 2016-04-11 | 2016-04-11 | A kind of coking wastewater containing phenol and cyanide advanced treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712539A (en) * | 2016-04-11 | 2016-06-29 | 浙江碧源环保科技有限公司 | Deep treatment system and process for coked phenol and cyanide wastewater |
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2016
- 2016-04-11 CN CN201620301133.7U patent/CN205710180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712539A (en) * | 2016-04-11 | 2016-06-29 | 浙江碧源环保科技有限公司 | Deep treatment system and process for coked phenol and cyanide wastewater |
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