CN204198506U - Emulsifying liquid waste water treatment system - Google Patents
Emulsifying liquid waste water treatment system Download PDFInfo
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- CN204198506U CN204198506U CN201420437551.XU CN201420437551U CN204198506U CN 204198506 U CN204198506 U CN 204198506U CN 201420437551 U CN201420437551 U CN 201420437551U CN 204198506 U CN204198506 U CN 204198506U
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Abstract
The utility model relates to a kind of emulsifying liquid waste water treatment system, comprise and unload oil sump, equalizing tank, rotary drum grid, ultrafiltration Buffer Pool, ultrafiltration circulation tank, super filter tube, disc separator, oil tank and Water Tank, each equipment is connected by pipeline, wherein unloads between oil sump and equalizing tank, between equalizing tank and rotary drum grid, between ultrafiltration Buffer Pool and ultrafiltration circulation tank, between ultrafiltration circulation tank and super filter tube, between ultrafiltration circulation tank and disc separator and is equipped with lift pump.The utility model need not any chemical agent, adopts membrane processing method breakdown of emulsion, avoids secondary pollution, and adopts import ultra-filtration membrane, and film operating performance is good, not easily blocks.
Description
Technical field
The utility model relates to emulsifying wastewater treatment system, especially a kind of emulsifying wastewater treatment system realizing breakdown of emulsion with ultrafiltration process.
Background technology
Emulsified oily watewater and waste emulsified mixture are the one that in oily(waste)water, intractability is maximum, due in emulsion containing the tensio-active agent of some amount, make the firm especially of oil molecule and water molecules.At present, the method for emulsifying wastewater being carried out to breakdown of emulsion process has the methods such as heating, ionization, chemistry, physics, and be wherein most widely used with chemistry or ionization breaking method, the effect of its breakdown of emulsion is also ideal.But current chemistry or ionization breaking device and method have lower column defects: adopt chemical demulsification, need to adopt different emulsion splitters according to different emulsion systems, and the large usage quantity of emulsion splitter, overall input cost is higher; Ionization breakdown of emulsion then can only be used for water-in-oil type emulsion waste water, to the emulsifying liquid waste water then poor effect of other types.In general, above-mentioned two kinds of good breaking methods of demulsification all also have respective defect, need to improve.
Along with the raising day by day of national requirements for environmental protection, embrane method process progressively accept by everybody.But embrane method process emulsion generally adopts organic membrane, ceramic membrane now, ceramic membrane is because of its special structure, solve high temperature resistant, acidproof problem, but ceramic membrane is easily broken, its passage is less, and cycles of concentration is low, fluctuation of service, be difficult to cleaning, can not suddenly cold and hot be resisted, require higher to operational requirement, level of automation.In order to solve the problem, organic membrane starts to be applied to emulsion process, usual organic membrane low contamination resistance, and cycles of concentration is low, non-refractory, not acid and alkali-resistance, and film replacement frequency is high.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of emulsifying liquid waste water treatment system, comprise and unload oil sump, equalizing tank, rotary drum grid, ultrafiltration Buffer Pool, ultrafiltration circulation tank, super filter tube, disc separator, oil tank and Water Tank, each equipment is connected by pipeline, wherein unloads between oil sump and equalizing tank, between equalizing tank and rotary drum grid, between ultrafiltration Buffer Pool and ultrafiltration circulation tank, between ultrafiltration circulation tank and super filter tube, between ultrafiltration circulation tank and disc separator and is equipped with lift pump.
Preferably, rotary drum grid is rotary drum fine fack, grizzly bar clear distance 0.5mm, roller diameter 800mm.
Preferably, pump between oil sump and equalizing tank is unloaded with 20m
3sewage is pumped into equalizing tank by the speed of/h, and the pump between equalizing tank and rotary drum grid is with 11m
3sewage is pumped into rotary drum grid by the speed of/h, and the pump between ultrafiltration Buffer Pool and ultrafiltration circulation tank is with 11m
3sump pump is entered ultrafiltration circulation tank by the speed of/h.
Preferably, portable floating-oil collector installed by equalizing tank, and comprise two adjustable floating drums and an oil trap, adjustable floating drum can fluctuate.At present on sale on the market, we do not do any improvement to this, therefore adopt general.
Preferably, ultra-filtration membrane adopts organic membrane, and adopt the ultra-filtration membrane of customization in the utility model, and through corresponding special modification, solve stain resistance, film operating performance is good.
The beneficial effects of the utility model are: 1, reclaimed the oil in emulsion, improve oil quality, bring considerable economic benefit, and greatly reduce the content of outlet water organic substance, alleviate the load of follow-up anaerobism and aerobic system, improve system final outflow water water quality; 2, without the need to adding any emulsion splitter, ultrafiltration breakdown of emulsion+oily water separation is adopted to be the most most economical technique of Jian Jie ﹑; 3, through to ultra-filtration membrane modification, improve ultra-filtration membrane operation stability and life-span, realize lower comprehensive treating process cost; 4, ultrafiltration system leaving water temperature(LWT) is general higher, creates favourable condition for follow-up anaerobic system runs; 5, full-automatic technology controlling and process, tackles instability and the complicacy of water quality and quantity in real time.
Accompanying drawing explanation
Fig. 1 is the utility model emulsifying liquid waste water treatment system schematic diagram;
Fig. 2 is ultra-filtration membrane water production rate variation diagram in time in the utility model one embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the emulsifying wastewater in industrial production through row of conduits to unloading in oil sump, by pump with 20m
3/ h interruption pumps into equalizing tank.The greasy filth unloading oil sump and equalizing tank bottom regularly processes every year, and the oil slick on equalizing tank surface is collected by the portable floating-oil collector fluctuated be arranged on equalizing tank, then sends into oil tank.
Overwhelming majority oily(waste)water all concentrates in the middle part of equalizing tank, this part waste water mainly emulsion, and its main component is oil, emulsion and water etc., and oleaginousness is about 1%.Sewage mainly removes the small-particle impurity of likely scratch film further through rotary drum grid, then enters ultra-filtration equipment.First be ultrafiltration Buffer Pool, as the equalizing tank of ultrafiltration system, prevent the excessive and water temperature over-high of water temperature, the water yield, variation water quality, the oil slick in ultrafiltration Buffer Pool is gathered again, send into oil tank.Lifting sewage pump one is set in ultrafiltration Buffer Pool, sewage by pump with 11m
3/ h interruption pumps into ultrafiltration circulation tank.In ultrafiltration circulation tank, sewage is concentrated, and oleaginousness reaches about 20%, and at this emulsion by breakdown of emulsion, sewage enters super filter tube and carries out ultrafiltration afterwards, and ultra-filtration membrane is the most crucial part of system, and system is by after ultra-filtration membrane breakdown of emulsion, and profit is by gravity natural layering.Usual ultra-filtration membrane life-span when processing emulsion is extremely short, but the ultra-filtration membrane of our application is through customization, and after transforming it, the life-span is generally 1-1.5 in practice.
Based on factory's long-time running index, estimate this cover system water production rate in time variation tendency see Fig. 2.
Ultra-filtration membrane cleaning frequency is relevant with many factors, as influent quality, operation condition, operational management etc.Usual cleaning interval average out to one week.List cover of the present invention on average produces about 2m at every turn
3cleaning Wastewater, consider that in cleaning process, the first half water contains more emulsion, this part water is back to prime process, and later half water contains less emulsion, after can directly mixing with ultra-filtration water, enters rear class biological treatment system.
The oily(waste)water of the filtrate after Ultra filtration membrane and filter membrane infiltration drains into existing Water Tank, and the oil leached then pumps into disc separator and filters further, and isolated waste water pumps into Water Tank, and isolated oil is collected into oil tank and takes out.
Be more than better embodiment of the present utility model, but protection domain of the present utility model is not limited thereto.Any those of ordinary skill in the art are in the technical scope disclosed by the utility model, and the conversion expected without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore the protection domain that protection domain of the present utility model should limit with claim is as the criterion.
Claims (9)
1. emulsifying liquid waste water treatment system, it is characterized in that: comprise and unload oil sump, equalizing tank, rotary drum grid, ultrafiltration Buffer Pool, ultrafiltration circulation tank, super filter tube, disc separator, oil tank and Water Tank, each equipment is connected by pipeline, wherein unloads between oil sump and equalizing tank, between equalizing tank and rotary drum grid, between ultrafiltration Buffer Pool and ultrafiltration circulation tank, between ultrafiltration circulation tank and super filter tube, between ultrafiltration circulation tank and disc separator and is equipped with lift pump.
2. emulsifying liquid waste water treatment system as claimed in claim 1, is characterized in that: described ultra-filtration membrane is organic membrane.
3. emulsifying liquid waste water treatment system as claimed in claim 2, is characterized in that: described rotary drum grid is rotary drum fine fack.
4. emulsifying liquid waste water treatment system as claimed in claim 3, is characterized in that: the grizzly bar clear distance 0.5mm of described rotary drum grid, roller diameter 800mm.
5. emulsifying liquid waste water treatment system as claimed in claim 2, is characterized in that: described equalizing tank is provided with portable floating-oil collector.
6. emulsifying liquid waste water treatment system as claimed in claim 5, is characterized in that: described portable floating-oil collector comprises two adjustable floating drums and an oil trap, and adjustable floating drum can fluctuate.
7. emulsifying liquid waste water treatment system as claimed in claim 2, is characterized in that: described in unload pump between oil sump and equalizing tank with 20m
3sewage is pumped into equalizing tank by the speed of/h.
8. emulsifying liquid waste water treatment system as claimed in claim 2, is characterized in that: the pump between described ultrafiltration Buffer Pool and ultrafiltration circulation tank is with 11m
3sump pump is entered ultrafiltration circulation tank by the speed of/h.
9. emulsifying liquid waste water treatment system as claimed in claim 2, is characterized in that: the pump between described equalizing tank and rotary drum grid is with 11m
3sewage is pumped into rotary drum grid by the speed of/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420437551.XU CN204198506U (en) | 2014-08-05 | 2014-08-05 | Emulsifying liquid waste water treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420437551.XU CN204198506U (en) | 2014-08-05 | 2014-08-05 | Emulsifying liquid waste water treatment system |
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| CN204198506U true CN204198506U (en) | 2015-03-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193088A (en) * | 2014-08-05 | 2014-12-10 | 无锡践行中欧科技有限公司 | Emulsion wastewater treatment process and device |
| CN105110558A (en) * | 2015-08-26 | 2015-12-02 | 宁波渤川废液处置有限公司 | Waste metal cutting fluid treatment device |
| CN108439627A (en) * | 2018-05-22 | 2018-08-24 | 浙江海牛环境科技股份有限公司 | A kind of process system and method to the demulsification of sewage containing oil emulsion |
| CN110903850A (en) * | 2019-12-09 | 2020-03-24 | 北京石油化工学院 | Crude oil electric desalting equipment and method |
-
2014
- 2014-08-05 CN CN201420437551.XU patent/CN204198506U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193088A (en) * | 2014-08-05 | 2014-12-10 | 无锡践行中欧科技有限公司 | Emulsion wastewater treatment process and device |
| CN105110558A (en) * | 2015-08-26 | 2015-12-02 | 宁波渤川废液处置有限公司 | Waste metal cutting fluid treatment device |
| CN108439627A (en) * | 2018-05-22 | 2018-08-24 | 浙江海牛环境科技股份有限公司 | A kind of process system and method to the demulsification of sewage containing oil emulsion |
| CN110903850A (en) * | 2019-12-09 | 2020-03-24 | 北京石油化工学院 | Crude oil electric desalting equipment and method |
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