CN201136828Y - Ozone treatment system for oil-containing alkaline waste water - Google Patents
Ozone treatment system for oil-containing alkaline waste water Download PDFInfo
- Publication number
- CN201136828Y CN201136828Y CNU2007201850259U CN200720185025U CN201136828Y CN 201136828 Y CN201136828 Y CN 201136828Y CN U2007201850259 U CNU2007201850259 U CN U2007201850259U CN 200720185025 U CN200720185025 U CN 200720185025U CN 201136828 Y CN201136828 Y CN 201136828Y
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- Prior art keywords
- tank
- sludge
- settling
- waste water
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000002351 wastewater Substances 0.000 title claims abstract description 28
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000010802 sludge Substances 0.000 claims abstract description 28
- 230000015271 coagulation Effects 0.000 claims abstract description 20
- 238000005345 coagulation Methods 0.000 claims abstract description 20
- 239000003513 alkali Substances 0.000 claims abstract description 14
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000005273 aeration Methods 0.000 claims abstract description 8
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 7
- 238000006386 neutralization reaction Methods 0.000 claims description 30
- 239000003814 drug Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 4
- 239000002562 thickening agent Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 23
- 230000003647 oxidation Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007667 floating Methods 0.000 abstract description 2
- 238000005470 impregnation Methods 0.000 abstract 3
- 238000007781 pre-processing Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 22
- 238000013178 mathematical model Methods 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 3
- 238000005188 flotation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 238000006124 Pilkington process Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000007764 o/w emulsion Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Water Treatments (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model relates to an oil impregnation alkali waste water ozone processing system, which is formed by connecting an oil impregnation alkali waste water neutralizing treatment system, an air floating pre-processing system, a preoxidation system, a sludge settling system, an ozone processing system and an advanced treatment system in sequence, wherein, the sludge settling system is also connected with a sludge dewatering processing system; the advanced treatment system comprises a preoxidation tank and a coagulation tank, a water in and out pipeline and a medicine-adding device; the sludge settling system consists of a settling basin and a sludge pump, and the coagulation tank is connected with the inlet of the settling basin; the ozone processing system comprises a water in and out pipeline, an aeration blower fan and an ozone generator, the settling basin is connected with the inlet, and a contacting oxidation pond is connected with the outlet. The oil impregnation alkali waste water ozone processing system has the advantages that the investment is small, the running fee is low, the resource is wide, the reaction is complete, the processing effect is good, the structure is compact, and the management is convenient.
Description
Technical field
The utility model relates to a kind of cleaning treatment system of industrial oil-containing alkaline waste water.
Background technology
In the prior art, oil-containing alkaline waste water is squeezed into neutralization tank from equalizing tank, squeezes into sour water in neutralization tank, and oil removal by air bubbling is used in the neutralization back, enters oil removal filter then and carries out degree of depth oil removing
Treatment process in the past is that pure physico-chemical process is handled, and water outlet oleaginousness height can not reach the requirement of advanced treatment for a long time.Described energy consumption is big, and itself is not energy-conservation, and the mineral filtrate that is consumed is many, produces secondary pollution, does not meet environmental requirement, is not enough to realization system the long-term stability full-automatic and system of assurance and moves.
Summary of the invention
The purpose of this utility model provides a kind of oil-containing alkaline waste water ozone treating system, and this system is to be raw material with industrial oil-containing alkaline waste water and industrial sour water, neutralize, and its flow by PLC through calculated with mathematical model, flow rate calculation is accurate; Carry out pre-treatment with air supporting, the water after preoxidation enters the ozone pond, and the ozone gasification exposes to the sun in the ozone pond, come oil content in the water of decomposition with the strong oxidizing property of ozone, pass through the contact-oxidation pool advanced treatment again, reduced the discharging of water pollutant, make water outlet satisfy emission request.
For achieving the above object, the utility model is achieved through the following technical solutions:
The oil-containing alkaline waste water ozone treating system is characterized in that this system is made up of oil-containing alkaline waste water neutralizing treatment system, air supporting pretreatment system, preoxidation system, sludge settling system, ozone treating system, advanced treatment system (contact-oxidation pool), sludge dewatering treatment system, chemical medicine system;
Oil-containing alkaline waste water neutralizing treatment system comprises alkali equalizing tank, neutralization tank and coagulation basin, and the alkali equalizing tank is connected with a neutralization tank by pipeline, is provided with lift pump on this pipeline; Aeration and stirring system are set in neutralization tank, and what link to each other with neutralization tank also has sour dosing system; Neutralization tank divides two-stage, and the secondary neutralization tank connects coagulation basin; Coagulation basin connects PAC medicine liquid tank and PAM medicine liquid tank, is provided with volume pump on connecting pipeline; PAC medicine liquid tank and PAM medicine liquid tank, acid jar, NaOH medicine liquid tank constitute chemical medicine system;
Facing-up oil is scraped the slag dolly on the airfloat equipment of air supporting pretreatment system;
The preoxidation system comprises preoxidation pond and coagulation reaction tank, inlet and outlet pipe lines and chemicals dosing plant;
The sludge settling system is made up of settling tank, sludge pump, and the settling tank inlet connects coagulation reaction tank;
Ozone treating system comprises inlet and outlet pipe lines, Aeration fan and ozonizer, and its inlet connects settling tank, and outlet connects contact-oxidation pool;
Advanced treatment system is a contact-oxidation pool, comprises inner stuffing and connecting tube;
The sludge dewatering treatment system is connected with settling tank, is made of the sludge thickener plate type pressure filter.
The utility model beneficial effect compared with prior art is:
1) can handle oil-containing alkaline waste water and acid waste water simultaneously, can also handle sanitary sewage simultaneously in case of necessity, total system does not have the consumption of ore filler substantially, is enough to satisfy the acidic and alkaline waste water treatment system (station) of any scale.
2) introduce air supporting pre-treatment and preoxidation operation, reduced the consumption in ozone pond, make water outlet more stable;
3) replaced conventional filter with the catalytic oxidation filter tank, guaranteed effluent quality, reduced the consumption of filler;
4) add acid and add alkali pump by variable frequency control, dosage is drawn through calculated with mathematical model by PLC, has guaranteed the accurate of dosage.
5) k-factor of introducing automatic and adjustable, artificial intelligence can be adjusted according to the fluctuation situation of PH automatically, under the situation of system fluctuation, draw more rational numerical automatically, system intelligent degree height; Also rule of thumb manual intervention.
6) have that investment is little, working cost is low, resource is wide, sufficient reacting, treatment effect are good, the advantage of compact construction, convenient management.
Description of drawings
Fig. 1 is the process flow sheet of utility model.
In the accompanying drawing, M-stirrer YW-liquidometer P-tensimeter
Embodiment
Below in conjunction with accompanying drawing native system and technology are elaborated:
The oil-containing alkaline waste water ozone treating system, this system is made up of oil-containing alkaline waste water neutralizing treatment system, air supporting pretreatment system, preoxidation system, sludge settling system, ozone treating system, advanced treatment system (contact-oxidation pool), sludge dewatering treatment system, chemical medicine system;
Oil-containing alkaline waste water neutralizing treatment system comprises alkali equalizing tank, neutralization tank and coagulation basin, and the alkali equalizing tank is connected with a neutralization tank by pipeline, is provided with lift pump on this pipeline; Aeration and stirring system are set in neutralization tank, and what link to each other with neutralization tank also has sour dosing system; Neutralization tank divides two-stage, and the secondary neutralization tank connects coagulation basin; Coagulation basin connects PAC medicine liquid tank and PAM medicine liquid tank, is provided with volume pump on connecting pipeline; PAC medicine liquid tank and PAM medicine liquid tank, acid jar, NaOH medicine liquid tank constitute chemical medicine system;
Facing-up oil is scraped the slag dolly on the airfloat equipment of air supporting pretreatment system;
The preoxidation system comprises preoxidation pond and coagulation reaction tank, inlet and outlet pipe lines and chemicals dosing plant;
The sludge settling system is made up of settling tank, sludge pump, and the settling tank inlet connects coagulation reaction tank;
Ozone treating system comprises inlet and outlet pipe lines, Aeration fan and ozonizer, and its inlet connects settling tank, and outlet connects contact-oxidation pool;
Advanced treatment system is a contact-oxidation pool, comprises inner stuffing and connecting tube;
The sludge dewatering treatment system is connected with settling tank, is made of the sludge thickener plate type pressure filter.
In native system, add alkali pump by variable frequency control, add acid by Stroke Control, through calculated with mathematical model, the PLC signal derives from the signal of each PH instrument to dosage by PLC.
This system is described below the treatment process of waste water:
1) acidic and alkaline waste water is handled; The oil-containing alkaline waste water of unit discharging flows into the alkali equalizing tank, is provided with PH instrument and liquidometer YW in equalizing tank;
PH adjusts: the water outlet of alkali equalizing tank is squeezed into neutralization tank one time with pump, in neutralization tank, utilize sour water and waste water id reaction, the dosage of acidic and alkaline waste water is subjected to the PH instrument control (variable frequency control) of one-level neutralization tank water outlet, dosage is confirmed through calculated with mathematical model by PLC that respectively the PLC signal derives from the pH value in sour equalizing tank and the alkali equalizing tank;
Fine setting: a neutralization tank water outlet enters the secondary neutralization tank, having the less spent acid pump of another group flow to drop into spent acid once more respectively at the secondary neutralization tank finely tunes pH value, secondary is given the PH instrument control of acid amount by a neutralization tank water outlet, through stirring and aeration accelerated reaction process, by in once and the pH value of water outlet, provide corrected signal, after calculated with mathematical model again, control acid fine setting pump is squeezed into into the secondary neutralization tank, thereby guarantees that the water outlet of secondary neutral is qualified;
2) coagulating treatment; The water outlet of secondary neutralization tank detects through PH, enters coagulation basin satisfying under the condition of PH=6-9; Qualified water adds flocculation agent PAC and coagulant aids PAM respectively in coagulation basin, mix, flocculate; The add-on of flocculation agent and coagulant aids is controlled by turbidimeter;
3) oil slick and part emulsification oil handling in the water: oil slick and part oil in water emulsion are handled by air-flotation system in the water, and air-float method has 4 kinds: pressure air-dissolving air-float, the gas of loosing are floating, jet air float and cavitation air flotation;
4) pre-oxidation treatment: air flotation pool is handled the back water outlet and is entered intermediate pool, enters the preoxidation pond after detection PH is qualified and handles, and enters coagulation reaction tank again and carries out the adding medicine processing;
5) sludge settling is handled; Waste water after pre-treatment, pre-oxidation treatment enters settling tank, removes the middle suspended substance that anhydrates, and the form of settling tank has 3 kinds: reaction settling pond, radial-flow sedimentation tank or inclined-plate clarifying basin substitute;
6) advanced treatment: in order to guarantee effluent quality, the waste water of ozonize, post precipitation enters the ozonize pond again, handles by the ozone generation gas that exposes to the sun, and arrives contact-oxidation pool, final outflow water pond then;
7) sludge dewatering treatment; Mud from settling tank concentrates with being pumped to sludge thickener, is delivered to the plate-and-frame filter press dehydration with sludge pump again, and the mud cake after the dehydration leaves sludge bucket in, regularly transports outward with automobile; Cleaner liquid and pressure filter wash-down water then by after collecting, drain into wastewater equalization pond with pump.
Claims (1)
1, oil-containing alkaline waste water ozone treating system is characterized in that this system is made up of oil-containing alkaline waste water neutralizing treatment system, air supporting pretreatment system, preoxidation system, sludge settling system, ozone treating system, advanced treatment system, sludge dewatering treatment system, chemical medicine system;
Oil-containing alkaline waste water neutralizing treatment system comprises alkali equalizing tank, neutralization tank and coagulation basin, and the alkali equalizing tank is connected with a neutralization tank by pipeline, is provided with lift pump on this pipeline; Aeration and stirring system are set in neutralization tank, and what link to each other with neutralization tank also has sour dosing system; Neutralization tank divides two-stage, and the secondary neutralization tank connects coagulation basin; Coagulation basin connects PAC medicine liquid tank and PAM medicine liquid tank, is provided with volume pump on connecting pipeline; PAC medicine liquid tank and PAM medicine liquid tank, acid jar, NaOH medicine liquid tank constitute chemical medicine system;
Facing-up oil is scraped the slag dolly on the airfloat equipment of air supporting pretreatment system;
The preoxidation system comprises preoxidation pond and coagulation reaction tank, inlet and outlet pipe lines and chemicals dosing plant;
The sludge settling system is made up of settling tank, sludge pump, and the settling tank inlet connects coagulation reaction tank;
Ozone treating system comprises inlet and outlet pipe lines, Aeration fan and ozonizer, and its inlet connects settling tank, and outlet connects contact-oxidation pool;
Advanced treatment system is a contact-oxidation pool, comprises inner stuffing and connecting tube;
The sludge dewatering treatment system is connected with settling tank, is made of the sludge thickener plate type pressure filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201850259U CN201136828Y (en) | 2007-12-21 | 2007-12-21 | Ozone treatment system for oil-containing alkaline waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201850259U CN201136828Y (en) | 2007-12-21 | 2007-12-21 | Ozone treatment system for oil-containing alkaline waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201136828Y true CN201136828Y (en) | 2008-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201850259U Expired - Fee Related CN201136828Y (en) | 2007-12-21 | 2007-12-21 | Ozone treatment system for oil-containing alkaline waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201136828Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219837B (en) * | 2007-12-21 | 2010-12-15 | 辽宁三和环境工程有限公司 | Ozonation process and equipment for oil-containing alkali wastewater |
| CN102295361A (en) * | 2010-06-23 | 2011-12-28 | 东芝移动显示器有限公司 | Device for treating phosphorus-containing waste water and processing method |
| CN102351344A (en) * | 2011-07-08 | 2012-02-15 | 无锡市霄鹰环境科技有限公司 | Tin-bearing waste liquid recovery system and recovery technology |
| CN110092538A (en) * | 2019-04-28 | 2019-08-06 | 上海大学 | Refinery basic sewage waste water classification processing combined technical method |
| CN110835184A (en) * | 2019-11-27 | 2020-02-25 | 南通汇佰川工程技术有限公司 | Portable garbage transfer station sewage treatment and recycling system and method |
-
2007
- 2007-12-21 CN CNU2007201850259U patent/CN201136828Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219837B (en) * | 2007-12-21 | 2010-12-15 | 辽宁三和环境工程有限公司 | Ozonation process and equipment for oil-containing alkali wastewater |
| CN102295361A (en) * | 2010-06-23 | 2011-12-28 | 东芝移动显示器有限公司 | Device for treating phosphorus-containing waste water and processing method |
| CN102351344A (en) * | 2011-07-08 | 2012-02-15 | 无锡市霄鹰环境科技有限公司 | Tin-bearing waste liquid recovery system and recovery technology |
| CN110092538A (en) * | 2019-04-28 | 2019-08-06 | 上海大学 | Refinery basic sewage waste water classification processing combined technical method |
| CN110835184A (en) * | 2019-11-27 | 2020-02-25 | 南通汇佰川工程技术有限公司 | Portable garbage transfer station sewage treatment and recycling system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20101221 |