CN104803565B - Coal chemical enterprise comprehensive wastewater treatment system and treatment for reuse method - Google Patents
Coal chemical enterprise comprehensive wastewater treatment system and treatment for reuse method Download PDFInfo
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- CN104803565B CN104803565B CN201510241922.6A CN201510241922A CN104803565B CN 104803565 B CN104803565 B CN 104803565B CN 201510241922 A CN201510241922 A CN 201510241922A CN 104803565 B CN104803565 B CN 104803565B
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- 239000000126 substance Substances 0.000 title claims abstract description 39
- 239000003245 coal Substances 0.000 title claims abstract description 35
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000001179 sorption measurement Methods 0.000 claims abstract description 26
- 238000005273 aeration Methods 0.000 claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 18
- 238000004939 coking Methods 0.000 claims abstract description 10
- 239000002351 wastewater Substances 0.000 claims description 28
- 239000000725 suspension Substances 0.000 claims description 18
- 238000011033 desalting Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 10
- 238000007667 floating Methods 0.000 claims description 9
- 230000008929 regeneration Effects 0.000 claims description 9
- 238000011069 regeneration method Methods 0.000 claims description 9
- 239000007772 electrode material Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000000571 coke Substances 0.000 claims description 5
- 239000013505 freshwater Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000003818 cinder Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 230000001629 suppression Effects 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 239000005416 organic matter Substances 0.000 description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 241000272814 Anser sp. Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- -1 turbidity Substances 0.000 description 1
- 238000004457 water analysis Methods 0.000 description 1
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- Water Treatment By Sorption (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of coal chemical enterprise comprehensive wastewater treatment system, the system is connected with coarse rack, fine fack, aerated grit chamber, more medium filter, BAF, cartridge filter, electric adsorption module and heat-exchanger rig in turn by supervisor；BAF includes pond body, and pond body bottom side is connected with water inlet pipe mouth, and water inlet pipe mouth is connected with supervisor, and the supervisor outside pond body is connected with backwash water inlet pipe side by side；Pond body opposite side has been arranged in parallel aeration tube and recoil air inlet pipe；Outlet pipe and recoil outlet pipe have been arranged in parallel on the side wall of pond body upper end；Inlet distribution plate, air inlet distribution grid, cobblestone supporting layer and char particle layer are disposed with pond body from the bottom to top.Rationally, operating cost is cheap, and water outlet can be met after processing for the system design of the present invention《Coking chemistry emission of industrial pollutants standard》Standard requirement to existing coal chemical enterprise, solves the problem of coal chemical enterprise unit product Criterion emission amount is higher, with very strong engineering application value.
Description
Technical field
The present invention relates to field of waste water treatment, in particular to a kind of coal chemical enterprise comprehensive wastewater treatment system and treatment for reuse
Method.
Background technology
Coal chemical enterprise can produce two kinds of waste water during operation, and one kind is coke in High T-emperature Carbonization, change Product recycling
The high-concentration waste water produced in subtractive process, i.e. coking chemical waste water, wherein having containing very high ammonia nitrogen, phenol, cyanogen, pyridine, quinoline etc.
Malicious noxious pollutant, the waste water is presently mainly to carry out discharging after processing is up to standard by enhanced biological method；Another waste water is auxiliary
Comprehensive wastewater produced by auxiliary system, mainly including water in water circulating system with water, pump cooling water and plant area's sanitary sewage etc., the portion
Point water water is larger, pollutant concentration is relatively low, the materials such as turbidity, COD, basicity, hardness, salt is mainly contained, compared to coking
For waste water, its water quality is preferable, but because coal chemical enterprise unavoidably has the leakage of equipment string, evaporating, emitting, dripping or leaking of liquid or gas etc. during operation
, if the waste water is directly discharged without processing, may also still may containing materials such as a small amount of phenol, cyanogen in situation, the comprehensive wastewater
Surrounding enviroment can be produced with certain harm.In addition, country's issuing and implementation in 2012《Coking chemistry emission of industrial pollutants mark
It is accurate》(GB16171-2012) require that coal chemical enterprise is not more than 0.4 from Qi executable units product benchmark discharge capacity January 1 in 2015
The standard of (m3/ tons), at present, part coal chemical enterprise by the directly outer row of the part comprehensive wastewater be incorporated to iron and steel enterprise's drainage pipeline networks or
Municipal drainage pipe network, but this measure do not accomplish truly meet Standard.Therefore, the synthesis for coal chemical enterprise is given up
For water, it is handled and reuse is the unique channel for meeting national standard, be also to improve waste water circulation rate, reduce outside sewage
Arrange, reduce the optimal selection of new water consumption, and it is current Jiao to seek a kind of advanced treating and reuse technology efficiently, inexpensive
Change the active demand of Enterprise Integrated waste water treatment.
The content of the invention
The technical problems to be solved by the invention are just to provide a kind of coal chemical enterprise comprehensive wastewater treatment system and handled back
Use method.The system is generally more than 0.4m for coal chemical enterprise unit product Criterion emission amount3The phenomenon of/ton, intends using suitable
Handling process coking comprehensive wastewater is handled after reuse, the burnt displacement of ton can be not only greatly reduced, can also reduce
The new water consumption of enterprise.
In order to solve the above technical problems, a kind of coal chemical enterprise comprehensive wastewater treatment system that the present invention is provided, the system is led to
Cross supervisor and be connected with coarse rack, fine fack, aerated grit chamber, more medium filter, BAF, security personnel's filtering in turn
Device, electric adsorption module and heat-exchanger rig；The BAF includes pond body, and the pond body bottom side is connected with water inlet pipe
Mouthful, the water inlet pipe mouth is connected with supervisor, and the supervisor outside the pond body is connected with backwash water inlet pipe side by side；The pond body opposite side
It has been arranged in parallel aeration tube and recoil air inlet pipe；Outlet pipe and recoil water outlet have been arranged in parallel on the side wall of the pond body upper end
Pipe；Inlet distribution plate, air inlet distribution grid, cobblestone supporting layer and char particle layer are disposed with the pond body from the bottom to top.
Further, the thickness of the cobblestone supporting layer is 200~300mm；The particle diameter of char particle is 2 in the char particle layer
~3mm.
Yet further, coarse rack and the fine fack bottom has been arranged in parallel grid slag blow-off pipe.
Yet further, the aerated grit chamber is rectangle flat flow, and the aerated grit chamber sidewall bottom level is set
It is equipped with aeration tube, the aeration tube and is vertically connected with aeration branch pipe, the aeration branch pipe vertically passes aerated grit chamber side wall.
Yet further, the more medium filter bottom offers water inlet, the side wall upper part of more medium filter 5
Offer delivery port.
Yet further, with being responsible for the regeneration water inlet pipe being arranged side by side between the cartridge filter and electric adsorption module,
Regeneration outlet pipe is additionally provided with the electric adsorption module another side wall.
Present invention also offers a kind of processing recovery method carried out using coal chemical enterprise comprehensive wastewater treatment system, including
Following steps：
1) the coking comprehensive wastewater after collecting first passes through coarse rack by supervisor and removes large-sized suspension and floating
Thing, then further removes the suspension and floating object of smaller particle in sewage by fine fack again；
2) waste water of treated suspension and floating object is entered into aerated grit chamber, the effect through aerated grit chamber is removed
Granularity is more than 0.2mm sand grains and partial organic substances in sewage；
3) aerated grit chamber water outlet is filtered through more medium filter and removes the suspension that granularity is less than 0.2mm；
4) more medium filter water outlet flow to BAF, and it is laggard that effluent of aeration biological filter flow to cartridge filter
Enter electrical adsorption desalting device, remove salts substances in waste water；
5) water outlet handled through electrical adsorption desalting device enters reuse after heat-exchange system reaches suitable temperature by being responsible for
Used in coal chemical enterprise as industrial fresh water；The concentrated water produced through electrical adsorption desalting device is used for State of Blast Furnace by regenerating outlet pipe
Slag cooling, flushing cinder water and coal yard dust suppression.
Further, the cartridge filter imports and exports differential water pressures more than 0.15MPa.
Yet further, the electrical adsorption desalting device can use modularized equipment, the electrode material of its modularized equipment
Using coke electrodes material and graphite-active carbon electrode material, voltage may be selected 1.5v between pole plate, and pole plate spacing may be selected 1~
3mm, hydraulic detention time is 10~30min.
The effect of each part of the present invention and purposes：
1) effect of coarse rack is to remove large scale floating object and suspension,
2) effect of fine fack is the further suspension and floating object for removing smaller particle in sewage；
3) effect of aerated grit chamber is to remove the sand grains that granularity in sewage is more than 0.2mm, with protective conduit and valve etc.
Facility acts on part that can be removed organic matter from wearing and tearing and blocking by aeration；Aerated grit chamber is rectangular, and bottom of pond has sludge
Canal is collected, aerator is set in side along its length, source of the gas is air, and raw water enters through water inlet, enters using aeration tube
Row aeration, aeration effect can be such that sewage is rotationally advancing along pond, so as to produce the horizontal constant speed circulation vertical with main flow direction, sand grains
Between produce rubbing action, the suspension organic matter on sand grains can be made to efficiently separate, and precipitate fine suspension, be easy to
The processing respectively and disposal of sand grains and organic matter, are acted on through aerated grit chamber, and granularity is more than 0.2mm sand grains and part in sewage
Organic matter is removed；
4) more medium filter effect is the further content for reducing suspension, is reduced to follow-up BAF shadow
Ring；
5) effect of BAF is to rely on high-concentration activated sludge to the further biochemical degradation of micromolecular compound,
Also retain partial suspended thing simultaneously；
6) cartridge filter effect is that the residual solids suspension or sediment more than 5 μm are dammed；
7) electric adsorption device effect is to carry out desalting processing to cartridge filter processed waste water, uses the power on electrode surface
Charged characteristic carries out Electrostatic Absorption to salt ion in water, so as to remove salt in water removal, moreover it is possible to further removes partial organic substances and contains
Amount；The concentrated water of the regeneration outlet pipe discharge of electric adsorption device is directly used in blast-furnace slag cooling, flushing cinder water, coal yard dust suppression etc..
The electrode material of its modularized equipment can use voltage between coke electrodes material and graphite-active carbon electrode material, pole plate optional
1.5v is selected, 1~3mm may be selected in pole plate spacing, and hydraulic detention time is~30min, can select multigroup according to resume module water
Wired in parallel is run.
8) water after handling is back to coal chemical enterprise after reaching suitable temperature through heat-exchange system and used as industrial fresh water.
The beneficial effects of the present invention are：
1st, the present invention is using " coarse rack+fine fack+aerated grit chamber+more medium filter+regulating reservoir+aeration and biological filter
The processing in pond+cartridge filter+electric adsorption system+heat-exchange system " and reusing plan are handled coking Enterprise Integrated waste water
And reuse.The technique and apparatus system are reasonable in design, and operating cost is cheap, and water outlet can be met after processing《Coking chemistry industry
Pollutant emission standard》(GB16171-2012) to the standard requirement of existing coal chemical enterprise, coal chemical enterprise unit product is solved
The problem of Criterion emission amount is higher, with very strong engineering application value.
2nd, the present invention can adjust heat-exchange system operation in time according to environment temperature and processed waste water temperature, be given up after processing
Water is used as coal chemical enterprise industrial fresh water.In being read up the literature, have no and coal chemical enterprise comprehensive wastewater processing and reuse
Method content identical is reported.The technique and apparatus system are simple to operate, and operating cost is low, and effluent quality can meet different use
Water requirement.
Brief description of the drawings
Fig. 1 is the schematic diagram of coal chemical enterprise comprehensive wastewater treatment system of the present invention；
Fig. 2 is the detail view of BAF；
Fig. 3 is electric adsorption module operation schematic diagram；
Fig. 4 is aerated grit chamber schematic device；
Fig. 5 be implementation process of the present invention in, the UV scanning curve map before and after wastewater treatment；
In figure, supervisor 1, coarse rack 2, fine fack 3, aerated grit chamber 4, aeration tube 4.1, aeration branch pipe 4.2, multimedium mistake
Filter 5, water inlet 5.1, delivery port 5.2, BAF 6, pond body 6.1, water inlet pipe mouth 6.2, backwash water inlet pipe 6.3, exposure
Tracheae 6.4, recoil air inlet pipe 6.5, outlet pipe 6.6, recoil outlet pipe 6.7, inlet distribution plate 6.8, air inlet distribution grid 6.9, goose
Cobble supporting layer 6.10, char particle layer 6.11, cartridge filter 7, regeneration water inlet pipe 7.1, electric adsorption module 8, regeneration outlet pipe
8.1st, heat-exchanger rig 9, grid slag blow-off pipe 10.
Embodiment
In order to preferably explain the present invention, below in conjunction with the specific embodiment main contents that the present invention is furture elucidated, but
Present disclosure is not limited solely to following examples.
As shown in Figures 1 to 3：A kind of coal chemical enterprise comprehensive wastewater treatment system, the system is connected with turn thick by supervisor 1
Grid 2, fine fack 3, aerated grit chamber 4, more medium filter 5, BAF 6, cartridge filter 7, electric adsorption module 8
With heat-exchanger rig 9；The BAF 6 includes pond body 6.1, and the bottom side of pond body 6.1 is connected with water inlet pipe mouth
6.2, the water inlet pipe mouth 6.2 is connected with supervisor 1, and the supervisor 1 outside the pond body 6.1 is connected with backwash water inlet pipe 6.3 side by side；Institute
State the opposite side of pond body 6.1 and be arranged in parallel aeration tube 6.4 and recoil air inlet pipe 6.5；It is in parallel on the side wall of the upper end of pond body 6.1
It is provided with outlet pipe 6.6 and recoil outlet pipe 6.7；Be disposed with from the bottom to top in the pond body 6.1 inlet distribution plate 6.8,
Air inlet distribution grid 6.9, cobblestone supporting layer 6.10 and char particle layer 6.11.The thickness of cobblestone supporting layer 6.10 be 200~
300mm；The particle diameter of char particle is 2~3mm in the char particle layer 6.11.Coarse rack 2 and the bottom of fine fack 3 have been arranged in parallel grid slag row
Dirty pipe 10.
Aerated grit chamber 4 is rectangle flat flow, and the sidewall bottom of aerated grit chamber 4 is horizontally disposed aeration tube 4.1,
Aeration branch pipe 4.2 is vertically connected with the aeration tube 4.1, the aeration branch pipe 4.2 vertically passes the side wall of aerated grit chamber 4.
The bottom of more medium filter 5 offers water inlet 5.1, and the side wall upper part of more medium filter 5 offers delivery port 5.2.
The regeneration water inlet pipe 7.1 being arranged side by side between cartridge filter 7 and electric adsorption module 8 with supervisor 1, the Electro Sorb
Regeneration outlet pipe 8.1 is additionally provided with the another side wall of module 8.
The processing recovery method that coal chemical enterprise comprehensive wastewater treatment system is carried out, comprises the following steps：
1) the coking comprehensive wastewater after collecting first passes through coarse rack 2 by supervisor 1 and removes large-sized suspension and drift
Float, then further removes the suspension and floating object of smaller particle in sewage by fine fack 3 again；
2) waste water of treated suspension and floating object is entered into aerated grit chamber 4, the effect through aerated grit chamber 3 is removed
Sand grains of the granularity more than 0.2mm and partial organic substances are removed in decontaminated water；
3) water outlet of aerated grit chamber 4 is filtered through more medium filter 5 and removes the suspension that granularity is less than 0.2mm；
4) water outlet of more medium filter 5 flow to BAF 6, and the water outlet of BAF 6 flow to cartridge filter 7
Enter electrical adsorption desalting device 8 afterwards, remove salts substances in waste water；Wherein, cartridge filter 7 is imported and exported differential water pressures and is more than
0.15MPa；Electrical adsorption desalting device 8 can use modularized equipment, and the electrode material of its modularized equipment uses coke electrodes material
1.5v may be selected in voltage between material and graphite-active carbon electrode material, pole plate, and 1~3mm may be selected in pole plate spacing, during hydraulic retention
Between be 10~30min；
5) returned after the water outlet handled through electrical adsorption desalting device reaches suitable temperature by supervisor 1 into heat-exchange system 9
Used for coal chemical enterprise as industrial fresh water；The concentrated water produced through electrical adsorption desalting device is used for by regenerating outlet pipe 8.1
Blast-furnace slag cooling, flushing cinder water and coal yard dust suppression.
As can be seen that being greatly reduced through processed waste water absorbance from Fig. 4 curves, illustrate that the major part in waste water is organic
Thing is able to degrade or mineralising.
Table 1 be implementation process of the present invention in, the water quality situation before and after wastewater treatment.From table 1 it follows that after processing
Various salts substances have different degrees of decline in waste water, and conductivity of waste water also declines to a great extent.
Water analysis before and after the wastewater treatment of table 1
Fine fack, coarse rack, more medium filter, cartridge filter in the present embodiment etc. refer to Practical Project operation
Mode, no longer implements explanation one by one herein.
Other unspecified parts are prior art.Although above-described embodiment is made that to the present invention and retouched in detail
State, but it is only a part of embodiment of the invention, rather than whole embodiments, people can also according to the present embodiment without
Other embodiment is obtained under the premise of creativeness, these embodiments belong to the scope of the present invention.
Claims (5)
1. a kind of coal chemical enterprise comprehensive wastewater treatment system, it is characterised in that：The system is connected with thick lattice in turn by being responsible for (1)
Grid (2), fine fack (3), aerated grit chamber (4), more medium filter (5), BAF (6), cartridge filter (7),
Electric adsorption module (8) and heat-exchanger rig (9)；The BAF (6) includes pond body (6.1), pond body (6.1) bottom
Side is connected with water inlet pipe mouth (6.2), and the water inlet pipe mouth (6.2) connects with supervisor (1), the supervisor of the pond body (6.1) outside
(1) backwash water inlet pipe (6.3) is connected with side by side；Pond body (6.1) opposite side be arranged in parallel aeration tube (6.4) and recoil into
Tracheae (6.5)；Outlet pipe (6.6) and recoil outlet pipe (6.7) have been arranged in parallel on the side wall of pond body (6.1) upper end；Institute
State in pond body (6.1) and be disposed with inlet distribution plate (6.8), air inlet distribution grid (6.9), cobblestone supporting layer from the bottom to top
(6.10) and char particle layer (6.11),
The thickness of the cobblestone supporting layer (6.10) is 200~300mm；The particle diameter of char particle is 2 in the char particle layer (6.11)
~3mm, the coarse rack (2) and fine fack (3) bottom have been arranged in parallel grid slag blow-off pipe (10)；The aerated grit chamber (4)
Flat flow is rectangle, aerated grit chamber (4) sidewall bottom is horizontally disposed aeration tube (4.1), the aeration tube (4.1)
On be vertically connected with aeration branch pipe (4.2), the aeration branch pipe (4.2) vertically passes aerated grit chamber (4) side wall.
2. coal chemical enterprise comprehensive wastewater treatment system according to claim 1, it is characterised in that：The more medium filter
(5) bottom offers water inlet (5.1), and more medium filter (5) side wall upper part offers delivery port (5.2).
3. coal chemical enterprise comprehensive wastewater treatment system according to claim 1, it is characterised in that：The cartridge filter
(7) the regeneration water inlet pipe (7.1) being arranged side by side between electric adsorption module (8) with supervisor (1), the electric adsorption module (8) is another
Regeneration outlet pipe (8.1) is additionally provided with one side wall.
4. a kind of processing recovery method carried out using coal chemical enterprise comprehensive wastewater treatment system described in claim 1, its feature
It is：Comprise the following steps：
1) the coking comprehensive wastewater after collecting first passes through the large-sized suspension of coarse rack (2) removal and drift by being responsible for (1)
Float, then further removes the suspension and floating object of smaller particle in sewage by fine fack (3) again；
2) waste water of treated suspension and floating object is entered into aerated grit chamber (4), the effect through aerated grit chamber (4) is removed
Granularity is more than (0.2) mm sand grains and partial organic substances in decontaminated water；
3) aerated grit chamber (4) water outlet is filtered through more medium filter (5) and removes the suspension that granularity is less than (0.2) mm；
4) more medium filter (5) water outlet flow to BAF (6), and BAF (6) water outlet flow to security personnel's filtering
Device (7) enters electrical adsorption desalting device (8) afterwards, removes salts substances in waste water；Wherein, cartridge filter (7) imports and exports hydraulic pressure
Difference is more than 0.15MPa；
5) water outlet handled through electrical adsorption desalting device is entered after heat-exchanger rig (9) reaches suitable temperature by supervisor (1) and returned
Used for coal chemical enterprise as industrial fresh water；The concentrated water produced through electrical adsorption desalting device is used by regenerating outlet pipe (8.1)
In blast-furnace slag cooling, flushing cinder water and coal yard dust suppression.
5. the processing recovery method that coal chemical enterprise comprehensive wastewater treatment system is carried out according to claim 4, it is characterised in that：
The electrical adsorption desalting device (8) uses modularized equipment, the electrode material of its modularized equipment using coke electrodes material and
1.5v may be selected in voltage between graphite-active carbon electrode material, pole plate, and 1~3mm may be selected in pole plate spacing, and hydraulic detention time is
10~30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510241922.6A CN104803565B (en) | 2015-05-13 | 2015-05-13 | Coal chemical enterprise comprehensive wastewater treatment system and treatment for reuse method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510241922.6A CN104803565B (en) | 2015-05-13 | 2015-05-13 | Coal chemical enterprise comprehensive wastewater treatment system and treatment for reuse method |
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| Publication Number | Publication Date |
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| CN104803565B true CN104803565B (en) | 2017-11-07 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201206108Y (en) * | 2008-04-01 | 2009-03-11 | 北京首钢国际工程技术有限公司 | Electro-adsorption desalting system for advanced sewage treatment |
| CN102010060A (en) * | 2010-10-15 | 2011-04-13 | 中国海洋大学 | Method for pre-treating polluted river water by adopting biological semi-coke aerated filter |
| CN202139094U (en) * | 2011-07-20 | 2012-02-08 | 武汉钢铁(集团)公司 | Electroadsorption waste water desalting device |
| CN202643483U (en) * | 2012-06-08 | 2013-01-02 | 武汉钢铁(集团)公司 | Coking waste water desalination device |
| CN102874991B (en) * | 2012-10-26 | 2014-06-18 | 武汉钢铁(集团)公司 | Electrochemical combined coking wastewater deep treatment process and equipment thereof |
| CN103172216A (en) * | 2012-11-23 | 2013-06-26 | 新疆环境工程技术有限责任公司 | Method for advanced treatment and reuse of wastewater |
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