CN206985915U - Alkaline sludge waste water treatment device and system - Google Patents
Alkaline sludge waste water treatment device and system Download PDFInfo
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- CN206985915U CN206985915U CN201720860767.0U CN201720860767U CN206985915U CN 206985915 U CN206985915 U CN 206985915U CN 201720860767 U CN201720860767 U CN 201720860767U CN 206985915 U CN206985915 U CN 206985915U
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 35
- 239000010802 sludge Substances 0.000 title claims abstract description 33
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 110
- 239000000126 substance Substances 0.000 claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 238000006243 chemical reaction Methods 0.000 claims abstract description 87
- 230000003647 oxidation Effects 0.000 claims abstract description 72
- 238000005189 flocculation Methods 0.000 claims abstract description 38
- 230000016615 flocculation Effects 0.000 claims abstract description 38
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 230000036647 reaction Effects 0.000 claims abstract description 13
- 239000010865 sewage Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 68
- 239000003814 drug Substances 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 16
- 238000004062 sedimentation Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 6
- 241000196324 Embryophyta Species 0.000 description 70
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- -1 hydroxyl radical free radical Chemical class 0.000 description 3
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 3
- 230000020477 pH reduction Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910001448 ferrous ion Inorganic materials 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- ODIGIKRIUKFKHP-UHFFFAOYSA-N (n-propan-2-yloxycarbonylanilino) acetate Chemical compound CC(C)OC(=O)N(OC(C)=O)C1=CC=CC=C1 ODIGIKRIUKFKHP-UHFFFAOYSA-N 0.000 description 1
- WHRZCXAVMTUTDD-UHFFFAOYSA-N 1h-furo[2,3-d]pyrimidin-2-one Chemical compound N1C(=O)N=C2OC=CC2=C1 WHRZCXAVMTUTDD-UHFFFAOYSA-N 0.000 description 1
- 235000006173 Larrea tridentata Nutrition 0.000 description 1
- 244000073231 Larrea tridentata Species 0.000 description 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229960002126 creosote Drugs 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses alkaline sludge waste water treatment device and system, it is related to technical field of waste water processing.The utility model provides a kind of alkaline sludge waste water treatment device, including acidifying oil removing unit, pre-oxidation unit, electric Fenton oxidation unit and solid-liquid separation unit.Be acidified oil removing unit in alkaline residue and water carry out oil removal treatment, pre-oxidize unit in alkaline residue and water carry out oxidation reaction, electric Fenton oxidation unit is in alkaline residue and water carries out cell reaction and oxidation reaction, and solid-liquid separation unit is in alkaline residue and water carries out neutralization reaction and flocculation reaction.The utility model provides a kind of alkaline sewage processing system including alkaline sludge waste water treatment device.Alkaline sludge waste water treatment device provided by the utility model and system can be removed effectively in alkaline residue with hardly degraded organic substance in water, improve the biodegradability with water in alkaline residue.Meanwhile the COD in the alkaline residue after processing substantially reduces, so eliminate alkaline residue in and influence of the water to subsequent biochemical.
Description
Technical field
Technical field of waste water processing is the utility model is related to, in particular to alkaline sludge waste water treatment device and system.
Background technology
In alkaline residue and water is caused alkaline sewage and the gasoline dissolved with carbon dioxide in petroleum refining and process
Reacted and extracted, salkali waste neutralizes caused neutralization water.Sulfide containing higher concentration in waste water, mercaptan, acylate,
Creosote, oil and other similar organic and inorganic compounds, the COD height of waste water, toxicity is big, is difficult to direct biochemistry
Processing.
At present, prior art does not obtain good treatment effect to such waste water, and the COD of its water outlet contains
Measure higher, it is difficult to biochemical treatment.
Utility model content
The purpose of this utility model is to provide a kind of alkaline sludge waste water treatment device, and it can effectively be removed in alkaline residue and water
Middle hardly degraded organic substance, improve the biodegradability with water in alkaline residue.Meanwhile the COD in the alkaline residue after processing is obvious
Reduce, so eliminate alkaline residue in and influence of the water to subsequent biochemical.
Another object of the present utility model is to provide a kind of alkaline sewage processing system, and it effectively can be removed in alkaline residue
With hardly degraded organic substance in water, improve the biodegradability with water in alkaline residue.Meanwhile the COD in the alkaline residue after processing
It is obvious to reduce, and then eliminate in alkaline residue and influence of the water to subsequent biochemical.
The utility model provides a kind of technical scheme：
A kind of alkaline sludge waste water treatment device, for handling in alkaline residue and water.Alkaline sludge waste water treatment device includes acidifying oil removing
Unit, pre-oxidation unit, electric Fenton oxidation unit and solid-liquid separation unit.Oil removing unit is acidified to be used for carrying out with water in alkaline residue
Oil removal treatment, acidifying oil removing unit include souring tank, the first chemicals dosing plant and oily-water seperating equipment, the first chemicals dosing plant and acidifying
Tank connects, and the acid solution being placed in the first chemicals dosing plant is imported into souring tank, souring tank connects with oily-water seperating equipment.In advance
Oxidation unit be used in alkaline residue and water carry out oxidation reaction, pre-oxidation unit include the second chemicals dosing plant, the 3rd chemicals dosing plant
And stirring reaction device, the second chemicals dosing plant and the 3rd chemicals dosing plant connect with stirring reaction device, oily-water seperating equipment with
Stirring reaction device connects.Electric Fenton oxidation unit is used in alkaline residue and water carries out cell reaction and oxidation reaction, electric Fenton
Oxidation unit includes electrolytic oxidation apparatus, oxidation reaction apparatus and circulating pump, and electrolytic oxidation apparatus connects with oxidation reaction apparatus,
The both ends of circulating pump connect with electrolytic oxidation apparatus and oxidation reaction apparatus respectively, and electrolytic oxidation apparatus connects with stirring reaction device
It is logical.Solid-liquid separation unit is used in alkaline residue and water carries out neutralization reaction and flocculation reaction, solid-liquid separation unit include neutralization chamber,
Flocculation tank, the 4th chemicals dosing plant, the 5th chemicals dosing plant and sedimentation basin, the 4th chemicals dosing plant connect with neutralization chamber, neutralization chamber and wadding
Solidifying groove connection, the 5th chemicals dosing plant connect with flocculation tank, and flocculation tank connects with sedimentation basin.
Further, above-mentioned stirring reaction device includes reaction vessel, heating member and stirring parts, oily-water seperating equipment,
Two chemicals dosing plants, the 3rd chemicals dosing plant and electrolytic oxidation apparatus connect with reaction vessel, and heating member is installed on reaction vessel
On madial wall, stirring parts are installed on the roof of reaction vessel.
Further, above-mentioned stirring parts include motor, rotating shaft and stirring vane, and motor is installed on reaction vessel
Roof on, motor is connected with rotating shaft transmission, and rotating shaft is fixedly connected with stirring vane.
Further, above-mentioned stirring vane is evenly spaced apart to be provided with multiple stirring through holes.
Further, the roof of above-mentioned reaction vessel offer the first medicament inlet for being connected with the second chemicals dosing plant and with
The second medicament import of 3rd chemicals dosing plant connection, the side wall of reaction vessel offer the liquid connected with oily-water seperating equipment and entered
Mouth and the liquid outlet connected with electrolytic oxidation apparatus.
Further, above-mentioned first chemicals dosing plant, the second chemicals dosing plant, the 3rd chemicals dosing plant, neutralization chamber and flocculation tank are equal
It is provided with stirring motor.
Further, above-mentioned oily-water seperating equipment is provided with centrifugal oil separator.
Further, above-mentioned electrolytic oxidation apparatus is provided with rectifier and multigroup anodic-cathodic, rectifier and anodic-cathodic point
Do not electrically connect.
Further, above-mentioned electrolytic oxidation apparatus is made up of stainless steel material.
A kind of alkaline sewage processing system, including alkaline sludge waste water treatment device.Alkaline sludge waste water treatment device removes including acidifying
Oily unit, pre-oxidation unit, electric Fenton oxidation unit and solid-liquid separation unit.Oil removing unit is acidified to be used in alkaline residue with water entering
Row oil removal treatment, acidifying oil removing unit include souring tank, the first chemicals dosing plant and oily-water seperating equipment, the first chemicals dosing plant and acid
Change tank connection, the acid solution being placed in the first chemicals dosing plant is imported into souring tank, souring tank connects with oily-water seperating equipment.
Unit is pre-oxidized to be used for filling including the second chemicals dosing plant, the 3rd dosing with water progress oxidation reaction, pre-oxidation unit in alkaline residue
Put and stirring reaction device, the second chemicals dosing plant and the 3rd chemicals dosing plant connect with stirring reaction device, oily-water seperating equipment
Connected with stirring reaction device.Electric Fenton oxidation unit is used in alkaline residue and water carries out cell reaction and oxidation reaction, electricity is fragrant
The oxidation unit that pauses includes electrolytic oxidation apparatus, oxidation reaction apparatus and circulating pump, and electrolytic oxidation apparatus connects with oxidation reaction apparatus
Logical, the both ends of circulating pump connect with electrolytic oxidation apparatus and oxidation reaction apparatus respectively, and electrolytic oxidation apparatus fills with stirring reaction
Put connection.Solid-liquid separation unit is used in alkaline residue and water carries out neutralization reaction and flocculation reaction, during solid-liquid separation unit includes
With groove, flocculation tank, the 4th chemicals dosing plant, the 5th chemicals dosing plant and sedimentation basin, the 4th chemicals dosing plant connects with neutralization chamber, neutralization chamber
Connected with flocculation tank, the 5th chemicals dosing plant connects with flocculation tank, and flocculation tank connects with sedimentation basin.
Compared with prior art, the beneficial effect of alkaline sludge waste water treatment device provided by the utility model and system is：
First chemicals dosing plant imports medicament into souring tank, and in the alkaline residue to entering souring tank and water carries out acidification reaction.
Enter oily-water seperating equipment with water in alkaline residue after acidifying and carry out water-oil separating.Then, the alkaline residue after water-oil separating is carried out to neutralize
Water imports stirring reaction device, while adds medicine into stirring reaction device by the second chemicals dosing plant and the 3rd chemicals dosing plant
Agent, so that the solution in stirring reaction device carries out oxidation reaction.Solution in stirring reaction device is imported into electrolytic oxidation dress
Carry out cell reaction is put, then the solution after cell reaction is imported into oxidation reaction apparatus and carries out oxidation reaction.Also, circulating pump is also
Solution in oxidation reaction apparatus can be led back to electrolytic oxidation apparatus, to improve the utilization rate of oxidant.Solution is imported again
The solution that neutralization chamber is added by the 4th chemicals dosing plant carries out neutralization reaction.The solution after neutralization reaction is imported into flocculation tank again,
And the solution for promoting flocculation reaction is added into flocculation tank by the 5th chemicals dosing plant.Finally, solution is imported from flocculation tank
To sedimentation basin, exported after being precipitated.Alkaline sludge waste water treatment device provided by the utility model and system can effectively remove alkali
With hardly degraded organic substance in water in slag, improve the biodegradability with water in alkaline residue.Meanwhile the chemistry in the alkaline residue after processing needs
Oxygen amount substantially reduces, so eliminate alkaline residue in and influence of the water to subsequent biochemical.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described.It should be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as.For those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation for the alkaline sludge waste water treatment device that first embodiment of the present utility model provides；
Fig. 2 is the structural representation for the stirring reaction device that first embodiment of the present utility model provides；
Fig. 3 is the structural representation for the stirring vane that first embodiment of the present utility model provides；
Fig. 4 is in the alkaline sludge waste water treatment device processing alkaline residue of the present utility model provided using first embodiment and water
Schematic flow sheet.
Icon：10- alkaline sludge waste water treatment devices；100- is acidified oil removing unit；110- souring tanks；The dosings of 120- first fill
Put；130- oily-water seperating equipments；200- pre-oxidizes unit；The chemicals dosing plants of 210- second；The chemicals dosing plants of 220- the 3rd；230- is stirred
Reaction unit；231- reaction vessels；The medicament inlets of 2311- first；2312- second medicament imports；2313- liquid-inlets；2314-
Liquid outlet；232- heating members；233- stirring parts；2331- motors；2332- rotating shafts；2333- stirring vanes；2334- is stirred
Mix through hole；300- electricity Fenton oxidation units；310- electrolytic oxidation apparatus；311- rectifiers；320- oxidation reaction apparatus；330- is followed
Ring pump；400- solid-liquid separation units；410- neutralization chambers；420- flocculation tanks；The chemicals dosing plants of 430- the 4th；The dosings of 440- the 5th fill
Put；450- sedimentation basins.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described.Obviously, retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In description of the present utility model, it is to be understood that term " on ", " under ", " interior ", " outer ", "left", "right" etc.
The orientation or position relationship of instruction be based on orientation shown in the drawings or position relationship, or the utility model product use when
The orientation or position relationship usually put, or the orientation that usually understands of those skilled in the art or position relationship, be only for
Be easy to describe the utility model and simplify to describe, rather than instruction or imply signified equipment or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
In description of the present utility model, it is also necessary to explanation, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " should be interpreted broadly, for example, " connection " can be fixedly connected or be detachably connected, or one
Ground connects；Can be mechanical connection or electrical connection；Can be directly connected to, can also by between intermediary in succession
Connect, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be
Concrete meaning of the above-mentioned term in the utility model.
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail.First embodiment
Referring to Fig. 1, present embodiments provide a kind of alkaline sludge waste water treatment device 10, for handling in alkaline residue and water.This
The alkaline sludge waste water treatment device 10 that embodiment provides can be removed effectively in alkaline residue with hardly degraded organic substance in water, improved in alkaline residue
With the biodegradability of water.Meanwhile the COD in the alkaline residue after processing substantially reduces, so eliminate alkaline residue in and water pair
The influence of subsequent biochemical.
The alkaline sludge waste water treatment device 10 that the present embodiment provides includes acidifying oil removing unit 100, pre-oxidation unit 200, electricity
Fenton oxidation unit 300 and solid-liquid separation unit 400.
It is understood that acidifying oil removing unit 100 is used in alkaline residue and water carries out oil removal treatment.Pre-oxidize unit
200 be used in alkaline residue and water carry out oxidation reaction.Electric Fenton oxidation unit 300 be used in alkaline residue and water carry out cell reaction
And oxidation reaction.Solid-liquid separation unit 400 is used in alkaline residue and water carries out neutralization reaction and flocculation reaction.
The acidifying oil removing unit 100 that the present embodiment provides includes souring tank 110, the first chemicals dosing plant 120 and water-oil separating
Device 130, the first chemicals dosing plant 120 connect with souring tank 110, the acid solution being placed in the first chemicals dosing plant 120 are led
Enter souring tank 110, souring tank 110 connects with oily-water seperating equipment 130.
The pre-oxidation unit 200 that the present embodiment provides includes the second chemicals dosing plant 210, the 3rd chemicals dosing plant 220 and stirring
Reaction unit 230, the second chemicals dosing plant 210 and the 3rd chemicals dosing plant 220 connect with stirring reaction device 230, water-oil separating
Device 130 connects with stirring reaction device 230.
The present embodiment provide electric Fenton oxidation unit 300 include electrolytic oxidation apparatus 310, oxidation reaction apparatus 320 and
Circulating pump 330, electrolytic oxidation apparatus 310 connect with oxidation reaction apparatus 320, the both ends of circulating pump 330 respectively with electrolytic oxidation
Device 310 connects with oxidation reaction apparatus 320, and electrolytic oxidation apparatus 310 connects with stirring reaction device 230.
The present embodiment provide solid-liquid separation unit 400 include neutralization chamber 410, flocculation tank 420, the 4th chemicals dosing plant 430,
5th chemicals dosing plant 440 and sedimentation basin 450, the 4th chemicals dosing plant 430 connect with neutralization chamber 410, neutralization chamber 410 and flocculation tank
420 connections, the 5th chemicals dosing plant 440 connect with flocculation tank 420, and flocculation tank 420 connects with sedimentation basin 450.
It is understood that the first chemicals dosing plant 120 imports medicament into souring tank 110, the alkali to entering souring tank 110
In slag and water carries out acidification reaction.Enter oily-water seperating equipment 130 with water in alkaline residue after acidifying and carry out water-oil separating.Then,
Carry out in the alkaline residue after water-oil separating and water imports stirring reaction device 230, while added by the second chemicals dosing plant 210 and the 3rd
Medicine device 220 adds medicament into stirring reaction device 230, so that the solution in stirring reaction device 230 carries out oxidation reaction.
Solution in stirring reaction device 230 is imported into electrolytic oxidation apparatus 310 and carries out cell reaction, then by the solution after cell reaction
Import oxidation reaction apparatus 320 and carry out oxidation reaction.Also, circulating pump 330 can also be by the solution in oxidation reaction apparatus 320
Electrolytic oxidation apparatus 310 is led back to, to improve the utilization rate of oxidant.Now, solution is in acidity.Solution is imported into neutralization chamber again
410 aqueous slkalis added by the 4th chemicals dosing plant 430 carry out neutralization reaction.The solution after neutralization reaction is imported into flocculation tank again
420, and PAM is added into flocculation tank 420 by the 5th chemicals dosing plant 440, to promote flocculation reaction.Finally, by solution from wadding
Sedimentation basin 450 is imported into solidifying groove 420, is exported after being precipitated.
Preferably, the medicament that the first chemicals dosing plant 120 imports into souring tank 110 is the concentrated sulfuric acid, and is made in souring tank 110
PH value be 3-4.
Preferably, oily-water seperating equipment 130 is provided with centrifugal oil separator, and centrifugal oil separator separates for the oil slick that will float on the surface
Remove.
Preferably, the medicament that the second chemicals dosing plant 210 adds into stirring reaction device 230 is copperas solution, the
The medicament that three chemicals dosing plants 220 add into stirring reaction device 230 is hydrogen peroxide.Now, hydrogen peroxide urging in ferrous sulfate
The lower organic matter produced in hydroxyl radical free radical oxidized waste water of change effect.Also, the reduction of the negative electrode by electrolytic oxidation apparatus 310
Iron ion in solution is reduced into ferrous ion by effect, and under the synergy of electric field, ferrous ion catalysis newly adds
Hydrogen peroxide produces the further oxidation of organic compounds of hydroxyl radical free radical.
Preferably, the medicament that the 4th chemicals dosing plant 430 adds into neutralization chamber 410 is sodium hydroxide solution, with to acidity
Solution neutralized.
Referring to Fig. 2, in the present embodiment, stirring reaction device 230 includes reaction vessel 231, heating member 232 and stirring
Part 233, oily-water seperating equipment 130, the second chemicals dosing plant 210, the 3rd chemicals dosing plant 220 and electrolytic oxidation apparatus 310 with instead
Container 231 is answered to connect, heating member 232 is installed on the madial wall of reaction vessel 231, and stirring parts 233 are installed on reaction vessel 231
Roof on.
In the present embodiment, stirring parts 233 include motor 2331, rotating shaft 2332 and stirring vane 2333, driving electricity
Machine 2331 is installed on the roof of reaction vessel 231, and motor 2331 is connected with rotating shaft 2332, rotating shaft 2332 and stirring
Blade 2333 is fixedly connected.
The roof for the reaction vessel 231 that the present embodiment provides offers the first medicament connected with the second chemicals dosing plant 210
Import 2311 and the second medicament import 2312 connected with the 3rd chemicals dosing plant 220, the side wall of reaction vessel 231 offer and oil
The liquid-inlet 2313 of the connection of water separation device 130 and the liquid outlet 2314 connected with electrolytic oxidation apparatus 310.
Referring to Fig. 3, in the present embodiment, stirring vane 2333 is evenly spaced apart to be provided with multiple stirring through holes 2334.
Certainly, can also not have to open up stirring through hole 2334 in other embodiment of the present utility model, on stirring vane 2333.Together
When, in other embodiment of the present utility model, multiple stirring through holes 2334 can also arrange in other manners, herein no longer
Repeat.
In in the present embodiment, the first chemicals dosing plant 120, the second chemicals dosing plant 210, the 3rd chemicals dosing plant 220, neutralization chamber
410 and flocculation tank 420 be provided with stirring motor.
It is appreciated that stirring motor can be in each device solution it is more uniform, so as to improve entering of being reacted in each device
OK.
Electrolytic oxidation apparatus 310 is provided with rectifier 311 and multigroup anodic-cathodic, and rectifier 311 is electric respectively with anodic-cathodic
Connection.
In the present embodiment, electrolytic oxidation apparatus 310 is made up of stainless steel material.Certainly, it is not limited to that, in this reality
With in new other embodiment, electrolytic oxidation apparatus 310 can also be made up of other corrosion-resistant materials, no longer superfluous herein
State.
Please refer to Fig. 1 and Fig. 4, the method and step of the alkaline sludge waste water treatment device 10 that the present embodiment provides when in use
Including：Deoiling step S1, pre-oxidation step S2, electric Fenton oxidation step S3 and solid-liquid separation step S4 are acidified, is entered individually below
Row explanation.
It is acidified deoiling step：To being placed in the alkaline residue in souring tank 110 and water carries out break milk separation, and pass through profit point
From device 130 in the alkaline residue after break milk separation and water carry out water-oil separating.
It is understood that acidifying deoiling step includes adding dense sulphur into souring tank 110 by the first chemicals dosing plant 120
Acid, to adjust the pH value in alkaline residue with water.
Pre-oxidation step：Into the alkaline residue being placed in stirring reaction device 230 and water adds oxidant, and is aoxidized
Reaction.
It is understood that pre-oxidation step includes adding into stirring reaction device 230 by the second chemicals dosing plant 210
Ferrous sulfate, and hydrogen peroxide is added into stirring reaction device 230 by the 3rd chemicals dosing plant 220.
Also, it is understood that the oxidation reaction in pre-oxidation step is carried out in environment is stirred.
Electric Fenton oxidation step：Electrolytic oxidation apparatus 310 will be imported with water in the alkaline residue of oxidized reaction, and to being placed in
With water progress cell reaction in alkaline residue in electrolytic oxidation apparatus 310, in the alkaline residue after cell reaction is handled and water imports oxygen
Change reaction unit 320, further to carry out oxidation reaction.
Solid-liquid separation step：To entering in the alkaline residue in neutralization chamber 410 and water carries out neutralization reaction, into flocculation tank
In alkaline residue in 420 and water carries out flocculation reaction, and heavy by being imported in the alkaline residue after progress neutralization reaction and flocculation reaction with water
Shallow lake pond 450.
It should be noted that acidifying deoiling step, pre-oxidation step, electric Fenton oxidation step and solid-liquid separation step are
Carried out in sealed environment.
The beneficial effect for the alkaline sludge waste water treatment device 10 that the present embodiment provides：First chemicals dosing plant 120 is to souring tank 110
Interior importing medicament, to enter souring tank 110 alkaline residue in and water carry out acidification reaction.In alkaline residue after acidifying and water enters profit
Separator 130 carries out water-oil separating.Then, carry out in the alkaline residue after water-oil separating and water imports stirring reaction device 230, together
When medicament added into stirring reaction device 230 by the second chemicals dosing plant 210 and the 3rd chemicals dosing plant 220 so that stirring is anti-
The solution in device 230 is answered to carry out oxidation reaction.Solution in stirring reaction device 230 is imported into electrolytic oxidation apparatus 310 to enter
Row cell reaction, then the solution after cell reaction is imported into oxidation reaction apparatus 320 and carries out oxidation reaction.Also, circulating pump 330
Solution in oxidation reaction apparatus 320 can also be led back to electrolytic oxidation apparatus 310, to improve the utilization rate of oxidant.Again will
Solution imports the solution that neutralization chamber 410 is added by the 4th chemicals dosing plant 430 and carries out neutralization reaction.Again will be molten after neutralization reaction
Liquid imports flocculation tank 420, and adds the solution for promoting flocculation reaction into flocculation tank 420 by the 5th chemicals dosing plant 440.Most
Afterwards, solution is imported into sedimentation basin 450 from flocculation tank 420, exported after being precipitated.At the alkaline sewage that the present embodiment provides
Reason device 10 can be removed effectively in alkaline residue with hardly degraded organic substance in water, improve the biodegradability with water in alkaline residue.Meanwhile pass through
The COD in alkaline residue after processing substantially reduces, so eliminate alkaline residue in and influence of the water to subsequent biochemical.
Second embodiment
A kind of alkaline sewage processing system (not shown) is present embodiments provided, for handling in alkaline residue and water.This implementation
The alkaline sewage processing system that example provides can effectively remove in alkaline residue and water in hardly degraded organic substance, improve in alkaline residue and water
Biodegradability.Meanwhile the COD in the alkaline residue after processing substantially reduces, and then eliminate in alkaline residue with water to follow-up raw
The influence of change.
The alkaline sewage processing system that the present embodiment provides includes the alkali that timer (not shown) and first embodiment provide
Slag wastewater treatment equipment 10.Timer is used for the time for recording the operation of alkaline sludge waste water treatment device 10, alkaline sludge waste water treatment device
10 be used in alkaline residue and water carry out purified treatment.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of alkaline sludge waste water treatment device, for handling in alkaline residue and water, it is characterised in that including acidifying oil removing unit, pre-
Oxidation unit, electric Fenton oxidation unit and solid-liquid separation unit；
The acidifying oil removing unit is used in the alkaline residue and water carries out oil removal treatment, the acidifying oil removing unit includes acidifying
Tank, the first chemicals dosing plant and oily-water seperating equipment, first chemicals dosing plant connect with the souring tank, will be placed in described
Acid solution in first chemicals dosing plant imports the souring tank, and the souring tank connects with the oily-water seperating equipment；
The pre-oxidation unit is used for including the second dosing with water progress oxidation reaction, the pre-oxidation unit in alkaline residue and filling
Put, the 3rd chemicals dosing plant and stirring reaction device, second chemicals dosing plant and the 3rd chemicals dosing plant with the stirring
Reaction unit connects, and the oily-water seperating equipment connects with the stirring reaction device；
The electric Fenton oxidation unit is used in the alkaline residue and water carries out cell reaction and oxidation reaction, the electric Fenton oxygen
Changing unit includes electrolytic oxidation apparatus, oxidation reaction apparatus and circulating pump, and the electrolytic oxidation apparatus fills with the oxidation reaction
Connection is put, the both ends of the circulating pump connect with the electrolytic oxidation apparatus and the oxidation reaction apparatus respectively, the electrolysis
Oxidation unit connects with the stirring reaction device；
The solid-liquid separation unit is used in alkaline residue and water carries out neutralization reaction and flocculation reaction, the solid-liquid separation unit bag
Include neutralization chamber, flocculation tank, the 4th chemicals dosing plant, the 5th chemicals dosing plant and sedimentation basin, the 4th chemicals dosing plant and the neutralization
Groove connects, and the neutralization chamber connects with the flocculation tank, and the 5th chemicals dosing plant connects with the flocculation tank, the flocculation tank
Connected with the sedimentation basin.
2. alkaline sludge waste water treatment device according to claim 1, it is characterised in that the stirring reaction device includes reaction
Container, heating member and stirring parts, the oily-water seperating equipment, second chemicals dosing plant, the 3rd chemicals dosing plant and described
Electrolytic oxidation apparatus is connected with the reaction vessel, and the heating member is installed on the madial wall of the reaction vessel, described
Stirring parts are installed on the roof of the reaction vessel.
3. alkaline sludge waste water treatment device according to claim 2, it is characterised in that the stirring parts include motor,
Rotating shaft and stirring vane, the motor are installed on the roof of the reaction vessel, the motor and the rotating shaft
Drive connection, the rotating shaft are fixedly connected with the stirring vane.
4. alkaline sludge waste water treatment device according to claim 3, it is characterised in that the stirring vane is evenly spaced apart to set
It is equipped with multiple stirring through holes.
5. alkaline sludge waste water treatment device according to claim 2, it is characterised in that the roof of the reaction vessel offers
The first medicament inlet connected with second chemicals dosing plant and the second medicament import connected with the 3rd chemicals dosing plant, institute
The side wall for stating reaction vessel offers the liquid-inlet connected with the oily-water seperating equipment and connected with the electrolytic oxidation apparatus
Logical liquid outlet.
6. alkaline sludge waste water treatment device according to claim 1, it is characterised in that first chemicals dosing plant, described
Two chemicals dosing plants, the 3rd chemicals dosing plant, the neutralization chamber and the flocculation tank are provided with stirring motor.
7. alkaline sludge waste water treatment device according to claim 1, it is characterised in that the oily-water seperating equipment is provided with point
Oil machine.
8. alkaline sludge waste water treatment device according to claim 1, it is characterised in that the electrolytic oxidation apparatus is provided with rectification
Device and multigroup anodic-cathodic, the rectifier are electrically connected with the anodic-cathodic.
9. alkaline sludge waste water treatment device according to claim 1, it is characterised in that the electrolytic oxidation apparatus is by stainless steel
Material is made.
10. a kind of alkaline sewage processing system, it is characterised in that including the alkaline residue as described in any one in claim 1-9
Wastewater treatment equipment.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107162288A (en) * | 2017-07-14 | 2017-09-15 | 南京中衡元环保科技有限公司 | Alkaline sewage processing method and processing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107162288A (en) * | 2017-07-14 | 2017-09-15 | 南京中衡元环保科技有限公司 | Alkaline sewage processing method and processing device |
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