CN203794673U - Corrugated plate coalescing oil-water separator for ships - Google Patents
Corrugated plate coalescing oil-water separator for ships Download PDFInfo
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- CN203794673U CN203794673U CN201420215953.5U CN201420215953U CN203794673U CN 203794673 U CN203794673 U CN 203794673U CN 201420215953 U CN201420215953 U CN 201420215953U CN 203794673 U CN203794673 U CN 203794673U
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Abstract
The utility model discloses a corrugated plate coalescing oil-water separator for ships. The corrugated plate coalescing oil-water separator for the ships comprises a box. The front end of the box is provided with an inlet assembly. The inlet assembly comprises a T-shaped liquid inlet. A liquid distribution assembly is arranged on the lower portion of the T-shaped liquid inlet. The rear end of the box is provided with an outlet assembly. Multiple sets of coalescing assemblies are sequentially arranged between the liquid distribution assembly and the outlet assembly from front to back. An oil collection assembly is arranged between the last coalescing assembly and the outlet assembly. Each coalescing assembly comprises a cone-shaped sewage discharge hopper and a plurality of corrugated plates located above the cone-shaped sewage discharge hopper and overlapped vertically in sequence. Wave crest positions of all the corrugated plates are provided with a plurality of floating oil holes. The oil collection assembly comprises an oil collection pipe, an oil baffle, an oil discharge outlet, an oil separating tank and an oil collection oblique plate. Through the corrugated plate coalescing oil-water separator for the ships, the oil content of outlet water is lower than 10 mg/L, small oil drops with the diameters larger than 10 microns can be separated, the water outlet effect is stable, full-sealing safety performance is high, and operation and maintenance are easy to achieve.
Description
Technical field
The utility model relates to a kind of marine antifouling and dyes field, specifically a kind of waved plate coalescent oil-water separator peculiar to vessel.
Background technology
Along with the fast development of world shipping cause, the swift and violent increase of tonneaux de jauge, vessel Waste has become very important Source of Marine Pollution, especially the oily bilge water such as boats and ships oily ballast, washwater and engine room water has brought huge pressure to sea environment-friendly, and oneself becomes an important factor of pollution of the sea the discharge of ship oil sewage.For this reason, International Maritime Organizaton and national governments have put into effect a series of maritime law Laws & Regulations in succession, strictly control Pollution From Ships problem.The regulation that Maritime Environment Protection Committee of International Maritime Organizaton is also no more than 15ppm by boats and ships in oleaginousness coastal and Special Areas discharge limber water has expanded all marine sites to.Therefore, oily bilge water treatment unit peculiar to vessel becomes the Pollution From Ships treatment facility that mandatory carriage is carried out.
Existing oily bilge water peculiar to vessel is processed separation method nothing more than three kinds of methods such as physical sepn, chemical separation and electrification separation, due to physical partition method have a folk prescription just, with low cost, be widely used without significant advantages such as secondary environmental pollutions.Gravity separation is again the main method of physical sepn.Gravitational separation device is to utilize oil and the density difference of water and the immiscible property of profit, under static or flow state, realize oil droplet, suspended substance separates with water, the oil droplet being dispersed in water is floating, layering lentamente under the effect of buoyancy, and the gathering floating of oil droplet and ascent rate are the important factors that realizes profit high efficiency separation.
Breathe out the true (shallow pool theory that (Hazen) proposes according to the U.S., particle sinking speed is relevant with desilting area, and precipitate and separate pond body is more shallow, can removed suspended particle less, if height overall H is divided into n layer with horizontal baffle in theory, separating treatment ability can improve n doubly.Accordingly, existing profit gravitational separation device adopts the multiple-layer horizontal dividing plate stacked structural shape of being separated by mostly, and this structure can improve the separating treatment ability of equipment significantly, reduces the occupied space of separating device; The horizontal parallel fluid channels of oily water forming between stacked flat board of being separated by, effectively reduce the floating distance of oil droplet, impel small and scattered oil droplet to assemble and synthesize larger oil droplet, due to the ascent rate of oil droplet again to square being directly proportional of droplet diameter, therefore, the increase of droplet diameter, ascent rate is accelerated greatly, is conducive to improve oily water separation processing efficiency.
But be separated by the oily-water seperating equipment superposeing and form at existing flat board, on the one hand due to the current streamline in profit runner and water-carrying section always constant, the travel direction that small and scattered oil droplet remains unchanged in flow process and speed, thus mutually collide so that the probability of assembling not high; This slab construction also makes in limited tripping device space on the one hand again, be difficult to the specific surface area that reaches desirable, increase specific surface area and just must bring the expansion of whole spatial volume, this is to be obviously beyond one's reach for the most valuable boats and ships in space, and the size of specific surface area and the gathering of oil droplet, the direct correlation of growing up, float.Therefore, the stacked structure of existing this flat board is having a strong impact on the treatment effect of oily water separation.
Utility model content
The purpose of this utility model is to provide a kind of waved plate coalescent oil-water separator peculiar to vessel, and it can not only impel the gathering of oil droplet to become large, oily water good separating effect effectively; And can under Ship Swaying environment, realize the continuous separating treatment of profit.
For achieving the above object, the utility model provides following technical scheme:
A kind of waved plate coalescent oil-water separator peculiar to vessel, comprises casing, and described casing front end is provided with inlet component, and described inlet component comprises T-shaped fluid inlet, and the bottom of T-shaped fluid inlet is provided with cloth liquid member; Described box back is provided with outlet member, and outlet member comprises water outlet and is positioned at the water outlet baffle plate in water outlet front, and the top of water outlet and water outlet baffle plate is all positioned at pasta below; Between described cloth liquid member and outlet member, for arranging successively from front to back some groups of coalescent members, and last is organized coalescent member and exports between member and is provided with oil-collecting member; Described coalescent member comprises taper blowdown funnel and is positioned at the some waved plates that stack successively up and down of taper blowdown funnel top, and the crest place of described waved plate is provided with several oil slick holes; Described oil-collecting member comprises oil header, oil weir, oil discharge outlet, oil trap and oil-collecting swash plate, between coalescent member and outlet member, it is oil weir, and form oil trap between oil weir and coalescent member, one end of described oil trap is oil header, described oil weir upper end is positioned at pasta top, lower end is positioned at pasta below, and described oil discharge outlet is positioned at oil header top, and described oil-collecting swash plate is positioned at coalescent member top.
As further program of the utility model: described cloth liquid member adopts perforation liquid distribution plate, its aperture 6mm, hole between centers 25mm, percentage of perforation is 4.5%; Respectively leaving certain space at the two ends up and down of perforation liquid distribution plate does not punch.
As further program of the utility model: described coalescent member is provided with 2-3 group, every group of 25-35 piece, described waved plate is zinc-plated waved plate, the spacing of neighbouring two zinc-plated waved plates is 4-8mm.
As further program of the utility model: described oil header is made with steel pipe, at a side fluting of tube wall, groove width is the otch at 60 degree angles along its length.
As further program of the utility model: be provided with front end blowdown funnel at casing front end, box back is provided with rear end drain.
The utility model waved plate coalescent oil-water separator peculiar to vessel; first thin plate forced vibration is applied to water-and-oil separator; add vibration with coarse facility, reached good oil-water separation, and do not exist coarse material obstruction, adsorb the phenomenons such as saturated.
The utility model combines " shallow pool principle " and " coalescence technology " just effectively, select surface to there is the New type corrugated sheet material of oleophilic drainage character, in the time that oily(waste)water passes through coalescent sheetpile,-aspect is non-viscous oil due to panel material oleophylic, not only be conducive to the coalescent increase of trickle oil droplet, and body refuse can rely on Gravitational sliding, sheetpile lofty gap is difficult for stopping up, without frequent backwash.On the other hand, because the special construction of waved plate makes it have the coalescent surface-area more much bigger than flat board, and provide fluid mobile tortuous passageway back and forth in the above, made to disperse oil droplet to produce farthest coalescent.The hydraulic radius of waved plate is little, and Reynolds number is lower, in larger process amount, compared with short residence time(SRT) condition under, still retaining layer stream mode.In addition, the utility model is also optimized design by the each member to separator inside, makes liquid flow point cloth more even, with the detrimentally affect to oily water separation of avoiding causing due to short circuit and dead angle etc., improves oily water separation efficiency.
Compared with prior art, the beneficial effects of the utility model are:
(1) oil removing ability: water outlet oleaginousness is less than 10mg/L;
(2) except accuracy: separating diameter is 10 microns of above tiny oil droplets;
(3) equipment running status: outlet effect is stablized and is not subject to sewage with oil to teach height to be affected, without easy plug members;
(4) safety performance: sealed safe performance is high;
(5) running maintenance: modification waved plate has stronger erosion resistance, and plate surface viscous oil hardly, frequently clear Xian, running maintenance is simple.
Brief description of the drawings
Fig. 1 is the structural representation of waved plate coalescent oil-water separator peculiar to vessel;
In figure: 1-inlet component, 11-T type fluid inlet, 2-cloth liquid member, the coalescent member of 3-, 31-taper blowdown funnel, 32-waved plate, 4-oil-collecting member, 41-oil header, 42-oil weir, 43-oil discharge outlet, 44-oil trap, 45-oil-collecting swash plate, 5-outlet member, 51-water outlet baffle plate, 52-water outlet, 61-front end blowdown funnel, 62-rear end drain.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of waved plate coalescent oil-water separator peculiar to vessel, comprises casing, is provided with inlet component 1, cloth liquid member 2, coalescent member 3, oil-collecting member 4, outlet member 5 and other members in described casing.
1, inlet component:
The function of described inlet component 1 is mainly the kinetic energy that absorbs access arrangement high velocity liquid stream, and stabilization of fluidized reduces the impact of entrance jet stream field.The research of separating device in the past and design only bias toward the selection of filler and the setting of negative area structure, and have ignored inlet component role in whole sepn process.In fact, a well behaved separating device should be that various members are coordinated mutually, flow field fluidised form is steady, could bring into play to greatest extent like this potential of separating device.Inlet component also can be referred to as the necessary component of disengaging zone thus.In fact, the quality of inlet component setting not only affects the fluidised form of separating device, and its separation efficiency is also had to very large impact.
The utility model adopts T-shaped fluid inlet 11, and high flow rate carrys out liquid and first enters after pipeline section, and its velocity reversal is forced to occur 90 degree and changes, and this process can absorb a large amount of kinetic energy.On the tube wall of pipeline section, centered by tubular axis line, be equipped with radial aperture simultaneously, make pipeline section that cascading water occur on the way, reduce the kinetic energy of pipe end.Pipeline section and separator wall have certain distance in addition, as still excessive in flow velocity, separator wall can again absorb to surge can, avoid short-circuit flow and channel, reduce the impact of stream field.
2, cloth liquid member
Described cloth liquid member 2 mainly plays stabilized fluid fluidised form, eliminates or slow down the effect of channel, short-circuit flow and vortex phenomenon in flow field.Gravity type boat davit oil water separation process require the flow field of main separation zone should be evenly, stable, and main separation zone is larger, flow field more all, stablize, separating effect is better.And inlet component can only play energy dissipating effect, so need being set, cloth liquid member carrys out even liquid stream.
The utility model adopts perforation liquid distribution plate, its aperture 6mm, and hole between centers 25mm, percentage of perforation is 4.5%.Respectively leave certain space at the two ends up and down of plate and do not punch, not punching in upper end is to pass through for fear of current slave plate group top.In the time that liquid stream enters separator from pipeline, because making flow velocity, the increase in space declines suddenly, must cause the precipitation of a part of suspended substance in waste water, not punching and can play the effect of a baffle plate in lower end, prevents that current from pouring plate group by settled material, makes its obstruction.Middle perforation can play well and be uniformly distributed current, and the three-dimensional motion of current is become to two-dimensional motion, guarantees the uniform and stable of flow field.
3, coalescent member:
Described coalescent member 3 is cores of water-and-oil separator, comprises taper blowdown funnel 31 and is positioned at some waved plates that stack successively up and down 32 of taper blowdown funnel 31 tops.And the surface properties of coalescence material and plate group structure are the important factors that affects oil removal efficiency.Oil droplet size is larger, and de-oiling efficiency is higher.If make the tiny oil droplet in oily(waste)water merge into larger oil droplet, can make de-oiling efficiency obtain raising by a relatively large margin.Adopt physical method that oil droplet is merged, most suitable economically, Here it is oil droplet coalescent, its principle is to allow oily(waste)water by the filling bed being made up of the solid matter of surperficial oleophylic, in water, tiny oil droplet will stick to and fill on bed face, progressively accumulation, become larger oil droplet and is accelerated separation.Adopt the overlapping combination of tabular coalescence material to carry out enlarge active surface, promote the coalescent increase of oil droplet, can improve separation efficiency, avoid circulation passage to stop up, also do not have absorption saturated phenomenon, thereby can realize the operate continuously of process treatment process.
The waved plate 32 that the utility model adopts is zinc-plated waved plate, and horizontal positioned, and except having the character of the desired surperficial oleophilic drainage of coalescence material, the special construction of waved plate provides favourable condition for oily water separation.Its principal character compared with conventional gravity oil-removing technology is: because horizontal wave card spacing only has several millimeters, lifting height is little, can separate diameter is oil droplet more than 10um, and because flow direction is constantly to change, can produce and be similar to sinusoidal wave current, make little oil droplet mutually collide into large oil droplet floating and separated removal.
The process that the floating collection of oil droplet separates is so substantially, because waved plate surface is oleophylic, therefore first form one deck oil film on waved plate surface, along with the continuous process of current, oil film is thickeied gradually, form by oil surface tension--after sizing oil droplet, be subject to the impulse force of the buoyancy of oil droplet own and current that oil droplet is come off, float through oil slick hole, crest place with current.Moreover because waved plate is waviness, its tortuous passageway providing is current to be similar to sinusoidal wave state to flow, and flows to and constantly changes, increase the collision probability between oil droplet, impel little oil droplet to become large, accelerate the ascent rate of oil droplet, reach the object of oily water separation.
Waved plate 32 spacing of design only have 4-8mm, read great mass of data and consulting in many ways through Check, and waved plate divides 2-3 group the most at last, every group of 25-35 piece.First on pulling, beat open holes, adopt special long bolt to fix, ensure between layers the spacing of 4-8mm with pad, thereby make 25-35 piece plate composition as a whole, be easy to the handling in separator.Plate group is made, and the utility model has carried out simply and cleverly design.Employing is similar to the design of double buckle, there is a projection at the lower surface of last layer plate, and have a groove at the upper surface of next laminate, such double buckle often arranges across a certain distance, its height equates with distance between plates, both can be used as the upholder between plate, accurately ensured distance between plates, can will between plate group, become be linked as-individual entirety again.
4, oil-collecting member:
Described oil-collecting member 4 comprises oil header 41, oil weir 42, oil discharge outlet 43, oil trap 44 and oil-collecting swash plate 45.
In actual production, between coalescent member 3 and outlet member 5, be provided with oil weir 42, and form oil trap 44 between oil weir 42 and coalescent member 3, one end of oil trap 44 arranges oil header 41, oil header 41 use steel pipes are made, at a side fluting of tube wall, groove width is the otch at 60 degree angles along its length.Oil header 41 can rotate around axis.In the time of oil extraction, the fluting directional steering horizontal plane of oil header is collected to oil slick to get off.
Water-and-oil separator of the present utility model, in being mainly applicable to process, the oily(waste)water of lower concentration, the oil reservoir of liquid level is not easy to collect very thickly, but as oil extraction may affect effluent quality not in time, therefore above coalescent member 3, be provided with oil-collecting swash plate 45, under the hydrostatic pressure of water, impel the oil droplet having floated along rising and collect on inclined-plane, make oil slick layer focus on leg-of-mutton position, oil collecting zone, swash plate top, because of oil reservoir surface-area little, the oil reservoir forming than horizontal oil-collecting is like this much thick, and then enter in oil trap by flow by gravity, again outside oil discharge outlet 43 drain separators by oil exit pipe 41 tops.Its advantage is mainly to have increased core intersection, and oil-collecting is become easily, and the water ratio of simultaneously collecting waste oil also can reduce.
5, outlet member:
Described outlet member 5 comprises water outlet 52 and is positioned at the water outlet baffle plate 51 in water outlet 52 fronts, and the top of water outlet 52 and water outlet baffle plate 51 is all positioned at pasta below.
In oil trap 44 and some Gravity Type Oil water separators, adopt overflow weir water outlet, discharge after rising pipe is collected more, still have little oil bloom constantly to float at effluent overflow weir water place, and with overflow weir water outlet, cascading water flows into effluent trough together, has had a strong impact on effluent quality.This is that floating up near the oil droplet of water surface will be due to mass force effect because adopt thin-walled overflow weir can cause the turbulent fluctuation of surface layer of water, breaks through the water surface and launches film forming, discharges with current, causes water outlet oleaginousness to increase.Therefore, the utility model adopt flood tubular type go out stream.Taken away by current even if oil droplet floating is also unlikely like this.
6. other member:
The utility model is provided with front end blowdown funnel 61 at casing front end, and rear end is provided with rear end drain 62.Can timing or spoil disposal and emptying as required.
Inlet component, cloth liquid member, coalescent member, oil-collecting member and the outlet members etc. of the utility model product to water-and-oil separator are optimized design.The utility model adopts T-shaped inlet component, can absorb a large amount of kinetic energy, keeps away rabbit short-circuit flow and channel, reduces stream field Red and hits.Cloth liquid member adopts perforation liquid distribution plate, can play well water distribution uniformity, prevent that body refuse from entering the effect of plate group.Coalescent member adopts coalescent ripple Pattern plate group, and oil is removed from the oil slick hole of crest, and body refuse can glide from trough, thereby has ensured the unimpeded of plate group.Oil collecting zone arranges oil-collecting swash plate, and oil reservoir surface-area is reduced, and impels oil reservoir thickening, is conducive to oily collection.Water outlet member Bian goes out stream with flooding tubular type, has avoided the pull effect due to water, brings near oil droplet liquid level into water outlet, makes water quality variation.Meanwhile, separator is also provided with mud valve and blow-off valve, is convenient to spoil disposal and emptying.
The utility model combines gravity method with coalescence technology, design and produce waved plate coalescent oil-water separator, and the internals of separator as spouting, inlet component, cloth liquid member, coalescent member, oil-collecting member and outlet member etc. is gone to creationary optimization design, improve hydraulics, strengthened oil-water separation.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other specific form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the utility model.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should make specification sheets as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. a waved plate coalescent oil-water separator peculiar to vessel, comprises casing, it is characterized in that, described casing front end is provided with inlet component (1), and described inlet component (1) comprises T-shaped fluid inlet (11), and the bottom of T-shaped fluid inlet (11) is provided with cloth liquid member (2), described box back is provided with outlet member (5), and outlet member (5) comprises water outlet (52) and is positioned at the water outlet baffle plate (51) in water outlet (52) front, and the top of water outlet (52) and water outlet baffle plate (51) is all positioned at pasta below, between described cloth liquid member (2) and outlet member (5), for arranging successively from front to back some groups of coalescent members (3), and last is organized coalescent member (3) and exports between member (5) and is provided with oil-collecting member (4), described coalescent member (3) comprises taper blowdown funnel (31) and is positioned at the some waved plates that stack successively up and down (32) of taper blowdown funnel (31) top, and the crest place of described waved plate (32) is provided with several oil slick holes, described oil-collecting member (4) comprises oil header (41), oil weir (42), oil discharge outlet (43), oil trap (44) and oil-collecting swash plate (45), between coalescent member (3) and outlet member (5), be oil weir (42), and form oil trap (44) between oil weir (42) and coalescent member (3), one end of described oil trap (44) is oil header (41), described oil weir (42) upper end is positioned at pasta top, lower end is positioned at pasta below, described oil discharge outlet (43) is positioned at oil header (41) top, described oil-collecting swash plate (45) is positioned at coalescent member (3) top.
2. waved plate coalescent oil-water separator peculiar to vessel according to claim 1, is characterized in that, described cloth liquid member (2) adopts perforation liquid distribution plate, its aperture 6mm, and hole between centers 25mm, percentage of perforation is 4.5%; Respectively leaving certain space at the two ends up and down of perforation liquid distribution plate does not punch.
3. waved plate coalescent oil-water separator peculiar to vessel according to claim 1, it is characterized in that, described coalescent member (3) is provided with 2-3 group, every group of 25-35 piece, described waved plate (32) is zinc-plated waved plate, and the spacing of neighbouring two zinc-plated waved plates is 4-8mm.
4. waved plate coalescent oil-water separator peculiar to vessel according to claim 1, is characterized in that, described oil header (41) is made with steel pipe, and at a side fluting of tube wall, groove width is the otch at 60 degree angles along its length.
5. waved plate coalescent oil-water separator peculiar to vessel according to claim 1, is characterized in that, is provided with front end blowdown funnel (61) at casing front end, and box back is provided with rear end drain (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215953.5U CN203794673U (en) | 2014-04-30 | 2014-04-30 | Corrugated plate coalescing oil-water separator for ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215953.5U CN203794673U (en) | 2014-04-30 | 2014-04-30 | Corrugated plate coalescing oil-water separator for ships |
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| CN203794673U true CN203794673U (en) | 2014-08-27 |
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| CN201420215953.5U Expired - Fee Related CN203794673U (en) | 2014-04-30 | 2014-04-30 | Corrugated plate coalescing oil-water separator for ships |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587710A (en) * | 2015-01-08 | 2015-05-06 | 青岛科技大学 | Oil-water separator |
| CN105692838A (en) * | 2016-03-29 | 2016-06-22 | 重庆坤泉环境工程有限公司 | Oil-water-sludge separator |
| CN110331706A (en) * | 2019-07-15 | 2019-10-15 | 西南石油大学 | A kind of dynamic state curve formula oil receiving equipment |
-
2014
- 2014-04-30 CN CN201420215953.5U patent/CN203794673U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587710A (en) * | 2015-01-08 | 2015-05-06 | 青岛科技大学 | Oil-water separator |
| CN105692838A (en) * | 2016-03-29 | 2016-06-22 | 重庆坤泉环境工程有限公司 | Oil-water-sludge separator |
| CN110331706A (en) * | 2019-07-15 | 2019-10-15 | 西南石油大学 | A kind of dynamic state curve formula oil receiving equipment |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20170430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |