Along with society and industrial expansion, the improving constantly of the increase of world population and the people's living standard brought thus, human consumption for all kinds of water resourcess constantly increases, and the Freshwater resources that human institute relies from bottom to top just are being tending towards exhaustion.China is the maximum country of world population; the amount of per capita Freshwater resources is extremely limited; well below world average level; the Freshwater resources of China are faced with severe tests; though government strengthens management for Freshwater resources by the whole bag of tricks and measure; society has also recognized the seriousness that water resources lacks, and wants to protect the Freshwater resources of our only preciousness.In addition, energy strategy also is the basic strategy means of a country, and recycling how to carry out the energy also is a vital problem.
In actual life, water and oil phase blended situation appear through regular meeting, and for example, when marine oil is revealed, waterbornely have large-area profit and mix, not only can cause a large amount of energy dissipations, and near water body is had great pollution.In addition, all be to outwell simply behind oily mixed with water in a lot of restaurants, the waste that it caused is very big, and very big in the blowdown difficulty of post-processing.
In sum, how to carry out the thing that in the actual life people very is significant to country that is separated into of various oil-water mixtures effectively.Domestic and international to all very attention of this problem, and developed a large amount of intelligent treatment equipment of oil containing sewage, yet, according to both at home and abroad about document and document announcement, the more oily water separating equipment of external at present use is dynamic hydrocyclone, static hydrocyclone and airfloat equipment, and various types of oily-water seperating equipments of principle design such as utilizing machinery is centrifugal, mechanical filter, underpressure distillation, absorption are arranged in addition.And domestic oil field mainly is the vertical oil tank that removes that adopts the gravity separation principle design, yet effect is undesirable discretely for it, can not satisfy the purpose of effective separation and recycling.For this reason, studied in recent years " shallow pool theory " and " coalescence technology " bonded oil removal plant, yet, above-mentioned various physics method oily-water seperating equipment the key technical indexes performance comparison analyses are shown, processed import water oleaginousness (mg/l), processed import profit flow (t/h), processed oil viscosity, go out aspect overall targets such as oleaginousness in the saliva (mg/l), processing speed after requiring to handle and can not satisfy the demand, exist working cost height, each block construction unreasonable, purify low precision, shortcoming such as technical process is numerous and diverse, floor space is big.Carry out still not satisfying new water source and the requirement of utilization again after the sewage disposal through aforesaid device.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing technology, provide a kind of simple in structure, the intelligent treatment equipment of oil containing sewage that working cost is low and oil-water separation is good.
The object of the present invention is achieved like this: a kind of intelligent treatment equipment of oil containing sewage, comprise breakdown of emulsion spraying gun and water-and-oil separator, the top of wherein said breakdown of emulsion spraying gun is provided with water inlet pipe, oil exit pipe and transmitter, the top is provided with vapor pipe, the bottom is provided with liquid discharge pipe, can be expelled to water-and-oil separator for liquid, bottom at the breakdown of emulsion spraying gun is provided with blow-off pipe, central authorities at above-mentioned breakdown of emulsion spraying gun have the bounce-back device, the bounce-back device is provided with microporous pipe, the top of above-mentioned water-and-oil separator has liquid-inlet pipe, oil exit pipe and transmitter, described liquid-inlet pipe links to each other with above-mentioned liquid discharge pipe, and the top is provided with vapor pipe, and the bottom is provided with the clear water pipe, middle part at water-and-oil separator is provided with swash plate, and the bottom is provided with blow-off pipe.
The present invention is owing to adopt above-mentioned setting, and working cost is low, purifies the precision height, and technical process is simple and floor space is little, the requirement that still can satisfy new water source after the sewage disposal and utilize again.
Below in conjunction with drawings and Examples the present invention is further described.
Intelligent treatment equipment of oil containing sewage of the present invention is by comprising a physics breakdown of emulsion spraying gun 2 and a water-and-oil separator 22.See also shown in Figure 1, physics breakdown of emulsion spraying gun 2 is a cylindrical shape, its top is provided with oily(waste)water water inlet pipe 1, a butyraceous raw waste water promptly enters above-mentioned breakdown of emulsion spraying gun 2 from above-mentioned sewage water inlet pipe 1, top also is provided with oil exit pipe 11, above-mentioned oil exit pipe 11 can be discharged the oil that purified from top, top also is provided with transmitter 5, be provided with interface ball 6 and liquid level ball 7 in this transmitter 5, interface ball 6 can be controlled above-mentioned oil exit pipe 11 oil extractions, the top of above-mentioned breakdown of emulsion spraying gun 2 has vapor pipe 10, can control vapor pipe 10 exhausts by above-mentioned liquid level ball 7.Be provided with liquid discharge pipe 8 in the bottom of breakdown of emulsion spraying gun 2, can discharge the liquid that does not purify fully, enter water-and-oil separator 22 and carry out next step processing from liquid discharge pipe 8.The bottom of breakdown of emulsion spraying gun 2 is provided with blow-off pipe 9, and the object of dirt was discharged from above-mentioned blow-off pipe 9 when some density were thought greater than water and after purifying.Please consulting shown in Figure 2ly simultaneously, is material bounce-back devices 4 of being made by extraordinary lipophilic material at the medium position of breakdown of emulsion spraying gun 2, in the centre of bounce-back device 4 annular microporous pipe 3 is set.
See also shown in Figure 3, the also whole cylindrical shape of water-and-oil separator 22 in the intelligent treatment equipment of oil containing sewage of the present invention, its top is provided with liquid-inlet pipe 21, promptly enters water-and-oil separator 22 by above-mentioned liquid-inlet pipe 21 and be for further processing after the liquid that the needs that aforementioned breakdown of emulsion spraying gun 2 is discharged further purify is discharged by liquid discharge pipe 8.Top at water-and-oil separator 22 also is provided with oil exit pipe 26, its effect is as the oil exit pipe 11 in the aforesaid breakdown of emulsion spraying gun 2, all be that isolated oil is discharged, top at above-mentioned water-and-oil separator 22 also is provided with transmitter 24, be provided with interface ball 26 and liquid level ball 27 in this transmitter 24, interface ball 26 can be controlled above-mentioned oil exit pipe 26 oil extractions, and the top of above-mentioned water-and-oil separator 22 has vapor pipe 29, can control vapor pipe 29 exhausts by above-mentioned liquid level ball 27.Be provided with clear water pipe 28 in the bottom of above-mentioned water-and-oil separator 22, it will be handled clear water that the back forms through intelligent treatment equipment of oil containing sewage of the present invention and discharge, or drain into specified recovery place and carry out recycling.The bottom of water-and-oil separator 22 is provided with blow-off pipe 210, and the object of dirt was discharged from above-mentioned blowdown .210 when some density were thought greater than water and after purifying.The swash plate 23 by specific inclination angle that many groups are chevron shaped intersection is installed in the cylinder side wall in above-mentioned water-and-oil separator 22.
Please cooperate and consult shown in Fig. 1,2,3, in use, oily(waste)water enters physics breakdown of emulsion spraying gun 2 by liquid-inlet pipe 1, when liquid from the cylinder top at a high speed downwards, when flowing, can only be from annular microporous pipe 3 sidewall inflow pipes, the direction of liquid stream is from steering horizontal rapidly vertically downward, the material bounce-back device 4 that is made into from extraordinary oleophylic of flowing through makes it produce a kind of physics breakdown of emulsion power, under its effect, be adsorbed and be gathered into floccule mass and be free in the water, this liquid flows out from side lower part liquid discharge pipe 8 and enters next stage and handle; The oil that top is gathered is controlled oil extraction by the interface ball 6 of transmitter 5, and the coalescent gas in top is discharged from vapor pipe 10 by 7 controls of the liquid level ball in the transmitter 5; Impurity particle is regularly discharged from bottom blow-down pipe 9.
Liquid behind the breakdown of emulsion is flowed out by liquid discharge pipe 8 and enters liquid-inlet pipe 21, enter quick water-and-oil separator 22, increase the contact area on liquid and scarp by swash plate 23, the fluid that makes full use of oil, water, assorted three-phase stream is in flow process, oil effect by stokes on the frictional belt that viscosity is big upwards converges, the oil that gathers is controlled by oil exit pipe 26 by the interface ball 25 in the transmitter 24 and is discharged, and the clear water that relative density is big, relative viscosity is little is discharged from container below clear water pipe 28; Density greater than the solid of water, granule foreign be directed downwards toward gravity field converge, sedimentation, by the 210 regularly blowdowns of bottom blow-down pipe, the gas that the top is coalescent is controlled by vapor pipe 29 by the liquid level ball 27 in the transmitter 24 and to be discharged.
Certainly, intelligent treatment equipment of oil containing sewage of the present invention also can have a plurality of breakdown of emulsion spraying guns and a plurality of water-and-oil separator that links to each other in turn that links to each other in turn simultaneously, as long as the liquid discharge pipe of last breakdown of emulsion spraying gun links to each other with the liquid-inlet pipe of first water-and-oil separator, assurance gets final product by entering in the water-and-oil separator smoothly through the oil-water mixture behind the breakdown of emulsion repeatedly.
And intelligent treatment equipment of oil containing sewage of the present invention also can use a plurality of holes spraying guns that link to each other in turn and the combination of water-and-oil separator, as long as will go up the breakdown of emulsion spraying gun that the liquid of one group water-and-oil separator discharge enters next stage again.
Through the processing of the invention described above intelligent treatment equipment of oil containing sewage, the oil in the oily(waste)water is divided by oil bead diameter and is divided into oil slick, dispersed oil, oil in water emulsion, dissolving oil substantially.Oil slick, the isolating method of dispersed oil are fairly simple, and oil in water emulsion has formed more stable micelle because mechanical friction motion etc. is added in the adding of tensio-active agent or other chemical ingredientss, separate relatively difficulty.Intelligent treatment equipment of oil containing sewage of the present invention at first utilizes the extension of Stokes'theorem F=6 π η rv, turbulent flow, laminar flow phenomenon according to liquid, by ring-like perforated tube, turbulent flow, the laminar flow phenomenon of liquid are aggravated to several times of normality, and make it produce the physics breakdown of emulsion power F of one group of paraphase, react among the violent turbulent profit, impel profit in less than 0.1 second time, to reach the profit laminar flow, destroy oil-in-water, water in oil state, with reach fast, obviously, demulsification efficiently.Sewage behind the physics breakdown of emulsion separates through swash plate again, utilizes the inclination angle of swash plate to strengthen settling area, makes little solid particulate matter flocculate into macrobead, thereby separates from water.This process can remove out to remove the oil in water emulsion of most of oil slick, 25% above oil droplet diameter≤50um, the impurity of particle diameter＞10um and micelle.
If adopt the setting of multiple breakdown of emulsion spraying gun and water-and-oil separator, by physics breakdown of emulsion with removed the oil in water emulsion of most of oil slick and 25% and the impurity micelle of particle diameter＞10um after swash plate separates.But the impurity micelle of most oil in water emulsion of the remaining minute quantity oil slick and 75% left and right sides and particle diameter 3um-10um is not removed as yet, the utilization stokes, the Venturi law, micro-interface surface coordination theory etc., adopt repeatedly physics breakdown of emulsion and atomizing, profit bounce-back technology, handle carrying out the high speed atomizing with oily(waste)water mixture after swash plate separates behind physics breakdown of emulsion, according to oil, water, the volume differences of microparticle, density difference, velocity contrast, form vaporific through high-speed motion, and utilize macromolecular material and other material to form the reacting field and the absorption field of this three major types material respectively, it is the water field, the oil field, particle field, with vaporific oil, water, the impurity inhomogeneity is repelled and bounce-back, similar receiving, the polymeric method, moment forms oil reservoir, water layer, impurity layer, thus make oil, water, impurity is thoroughly separated.This process can be removed oil in water emulsion and be partly dissolved oil, the impurity of particle diameter＜1um.
In sum, the present invention has finished contriver's purpose, and the working cost that the oily(waste)water of handling through intelligent treatment equipment of oil containing sewage of the present invention purifies is low, purifies the precision height, technical process is simple and floor space is little, the requirement that still can satisfy new water source after the sewage disposal and utilize again.