CN203513352U - Ozone air floatation device for treating polymer flooding oily sewage - Google Patents
Ozone air floatation device for treating polymer flooding oily sewage Download PDFInfo
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- CN203513352U CN203513352U CN201320595522.1U CN201320595522U CN203513352U CN 203513352 U CN203513352 U CN 203513352U CN 201320595522 U CN201320595522 U CN 201320595522U CN 203513352 U CN203513352 U CN 203513352U
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Abstract
The utility model relates to an ozone air floatation device for treating polymer flooding oily sewage, which belongs to the technical field of sewage treatment. The ozone air floatation device for treating polymer flooding oily sewage comprises an air flotation buoy and an ozone generation device, wherein the air flotation buoy comprises a reaction area, a separation area, a floating slag area and a clean water area; the reaction area is arranged at the center of the air floatation buoy, a deflection baffle is arranged inside the reaction area, the upper part of the reaction area is provided with a horn diffusion port, and the bottom of the reaction area is provided with a dissolved air releaser and a water inlet pipeline; the dissolved air releaser is connected with a multiphase flow dissolved air pump outlet through a dissolved air water pipeline; a partition is arranged between the separation area and the clean water area, and a hole is formed in the lower part of the partition; the floating slag area is provided with a slag guidance plate and a slag discharge pipeline; the clean water area is provided with a water discharge pipeline and a reflux pipeline; the reflux pipeline is connected with a multiphase flow dissolved air pump inlet after being converged with an ozone admission pipeline; the ozone admission pipeline is connected with the ozone generation device. The ozone air floatation device for treating polymer flooding oily sewage has the advantages of being simple in structure, convenient to operate, easy to control, effective in oil-water separation, efficient in removal of organics, high in efficiency and saving energy, and the like.
Description
Technical field
The utility model belongs to technical field of sewage, particularly relates to a kind of ozone air-float device for the treatment of polymer flooding oily(waste)water.
Background technology
At present, oil field enters the exploitation middle and later periods, the widespread use of polymer flooding tertiary oil recovery technology, and increasing polypropylene phthalein amine (APM) can be taken out of with recovered water.Polymer flooding oily(waste)water is compared with water drive oily(waste)water, there is in sewage residual polymerization substrate concentration high, oily(waste)water viscosity is high, oily water separation speed is slow, in sewage, colloidal solid static balance time is long, and emulsified oil droplet in sewage (O/W type) particle diameter is little, and interfacial film intensity is high, the features such as aggregation stability is good, and sewage emulsification pretreatment ability is strong.Visible, the existence of residual polymer in sewage, has obviously increased polymer flooding oily water treatment difficulty, particularly oily water separation difficulty.
The removal of oil in water emulsion is the Focal point and difficult point that polymer flooding oily(waste)water is administered.The method of conventional processing emulsification oily(waste)water has: By Bubble-floating Method, flocculence, electrochemical process, coalescence, embrane method.Air flotation technology is widely used technology in oily water treatment, by the difference of Bubble formation mode, can be divided into air-dissolving air-float, induction flotation and electrofloatation etc.Main employing is pressure floatation air, turbine air flotation method, jet air float method at present.Method of pressed dissolved-air release bubble size is little, even, stable operation, oil removal efficiency are high, but flow process is complicated, the residence time is long, equipment is huge.Turbine air flotation method fast, efficient, economy, anti impulsion load, but need that flotation aid, Air Bubble Size are uneven, to manufacture maintenance complicated.Jet air float method technique is simple, noise is little, energy consumption is low, it is little to produce bubble, but has the technical problems such as water sprayer requirement is high, flow turbulence degree is large.
Utility model content
The utility model provides a kind of ozone air-float device for the treatment of polymer flooding oily(waste)water for solving the technical problem existing in known technology.
The purpose of this utility model be to provide a kind of have technique simple, easy to operate, not only improved its oil-water separation but also improved the removal ability of residual polymer and larger molecular organics in sewage, increase sewage biodegradability fast, the ozone air-float device for the treatment of polymer flooding oily(waste)water of the feature such as efficient, economy, anti impulsion load.
The method that air flotation technology is processed waste water is in waste water, to pass into air by certain mode, and separate out from water with the form of micro-bubble, then as carrier, adhere to the pollution substances such as the oil in water emulsion in waste water, small suspended particle, make it with bubble, float to the water surface, form foam-gas, water, particle (oil) three-phase mixture, the object that reaches separating impurity, purifies liquid waste by collecting foam or scum silica frost.The factors such as pneumatically supported effect depends on that fluid density is poor, oil droplet is big or small, temperature, bubble size and gas holdup.
Ozonation technology is a kind of high-level oxidation technology, and ozone has extremely strong oxidisability, is only second to fluorine, and higher than chlorine and potassium permanganate, and ozone can be in the short period of time in water decomposes voluntarily, there is no secondary pollution, is desirable Green Oxidant.Ozone application its effect in water treatment procedure is mainly deodorizing, decolouring, sterilization and removal organism.
The present invention is by the mechanism of air supporting treatment technology and the feature of polymer flooding oily(waste)water, and air supporting and ozone oxidation are combined and process polymer flooding oily(waste)water.Utilize ozone to replace air as molten gas source of the gas, improve airfloat equipment internal structure, provide a kind of technique simple, easy to operate, not only improved its oil-water separation but also improved the removal ability of residual polymer and larger molecular organics in sewage, increase the biodegradability of sewage, in an operating unit, realize simultaneously a plurality of processes such as breakdown of emulsion or flocculation, oxidation, solid-liquid separation fast, the ozone air-float device of efficient, economy, anti impulsion load.
The technical scheme that the utility model is taked for the treatment of the ozone air-float device of polymer flooding oily(waste)water is:
An ozone air-float device for the treatment of polymer flooding oily(waste)water, is characterized in: ozone air-float device comprises air supporting cylinder and ozone generating-device; Air supporting cylinder is zonal structure, comprises reaction zone, disengaging zone, scum silica frost district and clear water zone; Reaction zone is arranged on air supporting Tong center, and baffle is set in it, and loudspeaker diffusing opening is established on top, and bottom arranges dissolved air release and inlet channel; Dissolved air release is connected with multiphase flow gas-dissolving pump outlet by dissolved air water pipeline; Between disengaging zone and clear water zone, partition is set, cuts off bottom perforate; Scum silica frost district arranges slag-guiding plate and Residue extraction pipeline; Clear water zone sets out waterpipe, reflux line; Reflux line converges afterwards and is connected with multiphase flow gas-dissolving pump import with ozone intake ducting; The ozone intake ducting the other end is connected with ozone generating-device.
The utility model can also adopt following technical scheme for the treatment of the ozone air-float device of polymer flooding oily(waste)water:
The described ozone air-float device for the treatment of polymer flooding oily(waste)water, is characterized in: the inlet channel of bottom, reaction zone is connected with lift pump outlet, and medicament dosing mouth is set on inlet channel.
The described ozone air-float device for the treatment of polymer flooding oily(waste)water, is characterized in: convergent divergent channel, tensimeter and pressure regulator valve are set on dissolved air water pipeline.
The described ozone air-float device for the treatment of polymer flooding oily(waste)water, is characterized in: pressure regulator valve is arranged on air supporting cylinder base wall limit.
The described ozone air-float device for the treatment of polymer flooding oily(waste)water, is characterized in: reflux line arranges recirculation water flow meter, recirculation water variable valve and vacuum meter.
The described ozone air-float device for the treatment of polymer flooding oily(waste)water, is characterized in: ozone intake ducting is provided with ozone variable valve and ozone under meter.
Advantage and the positively effect that the utlity model has are:
For the treatment of the ozone air-float device of polymer flooding oily(waste)water, owing to having adopted the technical scheme that the utility model is brand-new, compared with prior art, the utlity model has following characteristics:
The present invention is directed to polymer chemistry Stability Analysis of Structures, difficult for biological degradation thing, conventional oxygenant is difficult to features such as its complete oxidations, utilizes ozone to replace air as molten gas source of the gas.Utilize the strong oxidizing property of ozone that organic constitution is changed, larger molecular organics is converted into small organic molecule.Simultaneously by high pressure solution gas, increase the dissolving of ozone in water, improve ozone effective rate of utilization, and making conventional liquid-gas interface oxidation conversion is the oxidation in liquid liquid system, strengthened the effect of mass transmitting of ozone gas and polymkeric substance and other pollutents, thereby improved the efficiency of air supporting removal refractory organic, made water outlet meet biochemical water inlet requirement.Meanwhile, ozone has stronger Coagulation aiding, changes the character of suspended substance in water, reduces the dosage of coagulating agent, promotes the treatment effect of air-float technology.
The present invention adopts EDUR multiphase flow gas-dissolving pump as molten gas equipment.This pump is air-breathing to carry out with water suction simultaneously, by pressurization in pump, realizes gas-liquid mixed.Compare with conventional press air-dissolving air-float system, gas-liquid mixing pump integrates the function of the equipment such as force (forcing) pump, air compressor, high pressure dissolving, reliever, and facility investment is few, and floor space is little, and more easily controls.
The present invention is installed dissolved air release additional to increase dissolved air water effect.EDUR multiphase flow gas-dissolving pump has dissolved air release function concurrently, dissolved air release is installed in the present invention additional, improves the fine degree of bubble and produces quantity, optimizes the partition ratio of bubble size etc., increase the probability that in microbubble and pending water, impurity collision adheres to, thereby further improve flotation waste water treatment effect.
The present invention arranges the compound preparation dosing mouth of air supporting.Compound preparation makes to realize several different links such as breakdown of emulsion, coagulation, flocculation and flotation in a processing unit simultaneously, improves air flotation effect.
The present invention improves air-floating apparatus internal structure.This air-floating apparatus is designed to closed gas floating drum, and closing form has avoided scum silica frost to strike off the impact that is subject to atmosphere wind-force in process, causes foam to fly upward and makes the drawback in pollutent Returning equipment.Air supporting cylinder zoning design, comprises reaction zone, disengaging zone, scum silica frost district and clear water zone.Reaction zone is arranged on air supporting Tong center, and baffle is set in it, and top arranges loudspeaker diffusing opening, and bottom arranges dissolved air release and inlet channel.Polymer flooding oily(waste)water has been accepted to mix rapidly after the compound preparation of air supporting, enters ozone gas floating drum reaction zone from bottom.Ozone dissolved air water enters reaction zone by dissolved air release from bottom.In reaction zone, baffle is set, increases turbulence and waterpower flow process, promote to mix, prevent fluid short circuit.Not only cause effective pre-ozonation, and strengthen breakdown of emulsion, throwing out.The flow velocity that enters disengaging zone from reaction zone is very large, is conducive to select tiny bubble, and dissolved air flotation is carried out in carry over score abscission zone.Top arranges loudspeaker diffusing opening, and to provide necessary velocity slope to catch fine bubble, they have wrapped up oil droplet and solid particulate, and density is reduced, and cause floating.Primary water after processing, to dirty, enters clear water zone from bottom, disengaging zone, extends current and ozone contact time, oily water separation time, makes its sufficient reacting, and separating effect is better.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the treatment of the ozone air-float apparatus structure schematic diagram of polymer flooding oily(waste)water.
In figure, A-air supporting cylinder, B-ozonizer, I-reaction zone, II-disengaging zone, III-scum silica frost district, IV-clear water zone, 1-lift pump, 2-raw water pipeline, 3-vacuum breaker 1, 4-flooding velocity meter, 5-inlet regulating valve, 6-inlet channel, dosing mouth after 7-pump, 8-baffle, 9-dissolved air release, 10-cuts off, 11-outlet conduit, 12-slag-guiding plate, 13-Residue extraction pipeline, 14-loudspeaker diffusing opening, 15-reflux line, 16-recirculation water flow meter, 17-recirculation water variable valve, 18-vacuum meter, 19-ozone intake ducting, 20-ozone variable valve, 21-ozone under meter, 22-vacuum breaker 2, 23-EDUR multiphase flow gas-dissolving pump, 24-stopping valve 1, 25-dissolved air water pipeline, 26-convergent divergent channel, 27-thief hole, 28-venting port, 29-tensimeter, 30-air dissolved pump pressure regulator valve.
Embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Consult accompanying drawing 1.
Embodiment 1
An ozone air-float device for the treatment of polymer flooding oily(waste)water, comprises air supporting cylinder, ozone generating-device.Air supporting cylinder zoning design, comprises reaction zone, disengaging zone, scum silica frost district and clear water zone.Reaction zone is arranged on air supporting Tong center, and baffle is set in it, and loudspeaker diffusing opening is established on top, and bottom arranges dissolved air release and inlet channel.Inlet channel is connected with lift pump outlet, and medicament dosing mouth is set on it.Dissolved air release is connected with the outlet of EDUR multiphase flow gas-dissolving pump by dissolved air water pipeline.Convergent divergent channel, tensimeter and pressure regulator valve are set on dissolved air water pipeline.Pressure regulator valve is arranged on air supporting cylinder base wall limit.Between disengaging zone and clear water zone, partition is set, cuts off bottom perforate.Scum silica frost district arranges slag-guiding plate and Residue extraction pipeline.Clear water zone sets out waterpipe, reflux line.Reflux line converges afterwards and is connected with the import of EDUR multiphase flow gas-dissolving pump with ozone intake ducting, and recirculation water flow meter, recirculation water variable valve, vacuum meter are set on it.The ozone intake ducting the other end is connected with ozone generating-device, which is provided with ozone variable valve and ozone under meter.
The concrete structure of the present embodiment and working process thereof:
As shown in Figure 1.For the treatment of the ozone air-float device of polymer flooding oily(waste)water, comprise air supporting cylinder A, ozone generating-device B.Air supporting cylinder A zoning design is reaction zone I, disengaging zone II, ⅢHe clear water zone, scum silica frost district IV.Polymer flooding oily(waste)water is promoted through lift pump 1 by raw water pipeline 2, after accepting dosing mouth 7 adds after pump the compound preparation of air supporting and mixing rapidly, by inlet channel 6, from air supporting cylinder A bottom, enters reaction zone I.Reaction zone I is arranged on the center of air supporting cylinder A, and baffle 8 is set in it, and top arranges loudspeaker diffusing opening 14, and bottom arranges dissolved air release 9 and inlet channel 6.Flooding velocity meter 4 and inlet regulating valve 5 are set, for controlling amount of inlet water on inlet channel 6.Oily(waste)water and ozone dissolved air water enter from reaction zone I bottom simultaneously, through the inner baffle 8 arranging, increase waterpower flow process, promote to mix, and not only cause effective pre-ozonation, and strengthen breakdown of emulsion, throwing out.The flow velocity that enters disengaging zone II from reaction zone I is very large, is conducive to select tiny bubble, and carry over score abscission zone II is carried out dissolved air flotation.Top arranges loudspeaker diffusing opening 14, to provide necessary velocity slope to catch fine bubble, causes floating.Between the IV of ⅡYu clear water zone, disengaging zone, arrange and cut off 10, its underpart perforate.Primary water after processing, to dirty, enters clear water zone IV from disengaging zone II bottom, has extended current and ozone contact time, oily water separation time, makes its sufficient reacting, and polymkeric substance clearance is higher, and separating effect is better.Scum silica frost after processing enters scum silica frost district III from top by slag-guiding plate 12, by the Residue extraction pipeline 13 arranging on it, is discharged.Clear water zone IV sets out waterpipe 11, reflux line 15, and part clear water refluxes by after reflux line 15 and the molten gas of ozone, and all the other clear water are discharged by outlet conduit 11.Reflux line 15 converges afterwards and is connected with 23 imports of EDUR multiphase flow gas-dissolving pump with ozone intake ducting 19, which is provided with recirculation water flow meter 16, return valve 17 and vacuum meter 18, by recirculation water flow meter 16 and return valve 17, controls recirculation water flows.Ozone intake ducting 19 the other ends are connected with ozone generating-device B, which is provided with ozone variable valve 20, ozone under meter 21, for controlling ozone inlet.EDUR multiphase flow gas-dissolving pump 23 aspirates recirculation water and ozone simultaneously and dissolves, and its outlet is connected by dissolved air water pipeline 25 with dissolved air release 9.Dissolved air release 9, for discharging ozone dissolved air water, improves the fine degree of bubble and produces quantity, increases dissolved air water effect.Convergent divergent channel 26, tensimeter 29 and pressure regulator valve 30 are set on dissolved air water pipeline 25.Convergent divergent channel 26, for air dissolving system voltage stabilizing, which is provided with thief hole 27, venting port 28.Exhaust and the molten gas sample water of collection while being greater than saturation solubility for suck ozone amount before pump.Pressure regulator valve 30 is arranged on air supporting cylinder A base wall limit, regulates molten gas relief pressure.
The present embodiment combines air supporting and ozone oxidation to process polymer flooding oily(waste)water, utilizes ozone to replace air, carries out ozone oxidation in the time of flotation, decomposes residual polymer and larger molecular organics in sewage.Improve airfloat equipment internal structure, improve its oil-water separation.The present embodiment has the biodegradability that technique is simple, easy to operate, increase sewage, realizes a plurality of processes such as breakdown of emulsion or flocculation, oxidation, solid-liquid separation in an operating unit simultaneously, fast, the positively effect such as efficient, economy, anti impulsion load.
Claims (6)
1. for the treatment of an ozone air-float device for polymer flooding oily(waste)water, it is characterized in that: ozone air-float device comprises air supporting cylinder and ozone generating-device; Air supporting cylinder is zonal structure, comprises reaction zone, disengaging zone, scum silica frost district and clear water zone; Reaction zone is arranged on air supporting Tong center, and baffle is set in it, and loudspeaker diffusing opening is established on top, and bottom arranges dissolved air release and inlet channel; Dissolved air release is connected with multiphase flow gas-dissolving pump outlet by dissolved air water pipeline; Between disengaging zone and clear water zone, partition is set, cuts off bottom perforate; Scum silica frost district arranges slag-guiding plate and Residue extraction pipeline; Clear water zone sets out waterpipe, reflux line; Reflux line converges afterwards and is connected with multiphase flow gas-dissolving pump import with ozone intake ducting; The ozone intake ducting the other end is connected with ozone generating-device.
2. the ozone air-float device for the treatment of polymer flooding oily(waste)water according to claim 1, is characterized in that: the inlet channel of bottom, reaction zone is connected with lift pump outlet, and medicament dosing mouth is set on inlet channel.
3. the ozone air-float device for the treatment of polymer flooding oily(waste)water according to claim 1, is characterized in that: convergent divergent channel, tensimeter and pressure regulator valve are set on dissolved air water pipeline.
4. the ozone air-float device for the treatment of polymer flooding oily(waste)water according to claim 3, is characterized in that: pressure regulator valve is arranged on air supporting cylinder base wall limit.
5. the ozone air-float device for the treatment of polymer flooding oily(waste)water according to claim 1, is characterized in that: reflux line arranges recirculation water flow meter, recirculation water variable valve and vacuum meter.
6. the ozone air-float device for the treatment of polymer flooding oily(waste)water according to claim 1, is characterized in that: ozone intake ducting is provided with ozone variable valve and ozone under meter.
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| CN201320595522.1U CN203513352U (en) | 2013-09-25 | 2013-09-25 | Ozone air floatation device for treating polymer flooding oily sewage |
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| CN201320595522.1U CN203513352U (en) | 2013-09-25 | 2013-09-25 | Ozone air floatation device for treating polymer flooding oily sewage |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104973646A (en) * | 2015-07-10 | 2015-10-14 | 张家港市三星净化设备制造有限公司 | Air flotation residue scraping apparatus |
| CN107381866A (en) * | 2017-08-08 | 2017-11-24 | 无锡远林凯环保设备有限公司 | Integrated high efficiency mud-water separation purifier |
| CN107827295A (en) * | 2017-12-18 | 2018-03-23 | 苏州京上环保设备有限公司 | Coating wastewater processing unit |
| CN108218060A (en) * | 2018-03-27 | 2018-06-29 | 大连交通大学 | Purification uses emulsion integral system and method online |
| CN108585096A (en) * | 2018-07-05 | 2018-09-28 | 山东省城市供排水水质监测中心 | One kind discharging system based on the molten gas of the pneumatically supported anti-clogging of multiphase flow |
| CN109761298A (en) * | 2019-02-15 | 2019-05-17 | 深圳市律远汇智科技有限公司 | A kind of air-floating apparatus of the good purification for sewage treatment |
| CN110240324A (en) * | 2019-06-28 | 2019-09-17 | 西安建筑科技大学 | Air-floating apparatus with oil-water separating function |
| CN112919615A (en) * | 2021-01-30 | 2021-06-08 | 河南省奥瑞环保科技有限公司 | Ozone generation control device and system |
| CN113415937A (en) * | 2021-06-15 | 2021-09-21 | 盐城海德能水处理环保工程有限公司 | Oil field exploitation wastewater treatment equipment and method |
| CN114956302A (en) * | 2022-05-11 | 2022-08-30 | 山东省水利科学研究院 | Low-energy-consumption membrane ozone air flotation integrated device |
-
2013
- 2013-09-25 CN CN201320595522.1U patent/CN203513352U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104973646A (en) * | 2015-07-10 | 2015-10-14 | 张家港市三星净化设备制造有限公司 | Air flotation residue scraping apparatus |
| CN107381866A (en) * | 2017-08-08 | 2017-11-24 | 无锡远林凯环保设备有限公司 | Integrated high efficiency mud-water separation purifier |
| CN107827295A (en) * | 2017-12-18 | 2018-03-23 | 苏州京上环保设备有限公司 | Coating wastewater processing unit |
| CN108218060A (en) * | 2018-03-27 | 2018-06-29 | 大连交通大学 | Purification uses emulsion integral system and method online |
| CN108585096A (en) * | 2018-07-05 | 2018-09-28 | 山东省城市供排水水质监测中心 | One kind discharging system based on the molten gas of the pneumatically supported anti-clogging of multiphase flow |
| CN109761298A (en) * | 2019-02-15 | 2019-05-17 | 深圳市律远汇智科技有限公司 | A kind of air-floating apparatus of the good purification for sewage treatment |
| CN110240324A (en) * | 2019-06-28 | 2019-09-17 | 西安建筑科技大学 | Air-floating apparatus with oil-water separating function |
| CN112919615A (en) * | 2021-01-30 | 2021-06-08 | 河南省奥瑞环保科技有限公司 | Ozone generation control device and system |
| CN113415937A (en) * | 2021-06-15 | 2021-09-21 | 盐城海德能水处理环保工程有限公司 | Oil field exploitation wastewater treatment equipment and method |
| CN114956302A (en) * | 2022-05-11 | 2022-08-30 | 山东省水利科学研究院 | Low-energy-consumption membrane ozone air flotation integrated device |
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Granted publication date: 20140402 Termination date: 20210925 |