CN204185306U - Marine oily water treatment unit - Google Patents
Marine oily water treatment unit Download PDFInfo
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- CN204185306U CN204185306U CN201420580785.XU CN201420580785U CN204185306U CN 204185306 U CN204185306 U CN 204185306U CN 201420580785 U CN201420580785 U CN 201420580785U CN 204185306 U CN204185306 U CN 204185306U
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- filter core
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Abstract
The utility model relates to a kind of marine oily water treatment unit, comprise upper cover, upper cavity housing and lower chamber housing, upper cover is connected with upper cavity housing seal, upper cavity enclosure interior is equipped with swash plate bracing frame, swash plate bracing frame is fixedly mounted on upper cavity swash plate by water distributor, water-in is equipped with above upper cavity swash plate, upper cavity housing, upper cavity housing lower end to be tightly connected lower chamber housing by coarse filter core retaining plate, coarse filter core retaining plate is tightly connected coarse filter core, coarse filtration filter core is positioned at lower chamber housing, the upper end of lower chamber housing is provided with lower chamber oil outlet, its lower end is connected with ultra-filtration membrane device by pipeline, ultra-filtration membrane device is provided with outlet conduit and reflux line, treatment scheme is simply ingenious, adopt physical method, emulsifying greasy dirt water is by swash plate pre-treatment, the polymerization of coarse filter core oil droplet and ultra-filtration membrane sewage water filtration, ensure that water outlet reaches emission standard, whole installation cost is cheap, purification rate is fast, simple to operate, be convenient to maintenance process.
Description
Technical field
The utility model relates to a kind of oil and water treatment equipment, particularly relates to a kind of marine sewage treatment plant, belongs to profit Treatment process.
Background technology
Mainly there are three kinds of oily wastewater pollution states in marine oily water: the mixture of remaining marine fuel oil and water; The mixture of distillation fuel oil peculiar to vessel and water; The oil in water emulsion mixture that the materials such as remaining marine fuel oil, distillation fuel oil peculiar to vessel, washing composition and water are formed.
Oil in water emulsion is the stabilized mixture of oil and water.The oil that oil in water emulsion contains can cause very large pollution to environment.Particularly to water pollution.
In recent years, along with countries in the world are to the reinforcement of ocean particularly territorial waters and endorheic river protective awareness, according to " 73/78 anti-pollution convention " requirement, require effectively to process vessel oily water.The MEPC.107 (49) resolution " the watercraft engine room limber water antipollution equipment guide of revision and technical qualification " that International Maritime Organizaton (IMO) Maritime Environment Protection Committee promulgates, has made new regulation to the process of vessel oily water and emission standard.The treatment unit of oily water is had higher requirement.Add the processing requirements of oil in water emulsion especially.By the regulation of MEPC.107 (49) annex I " model approval test and performance specifications ", in order to ensure worldwide test parameter consistence, define the precise procedures preparing test(ing) liquid " C ", this resolution solves the harm that oil in water emulsion causes environment.
At present, conventional oil in water emulsion treatment technology roughly has following several both at home and abroad:
Filtration method: with the filter material with certain accuracy requirement by oil in water emulsion particulate blockage outside filter material, oil in water emulsion can not be discharged, free from environmental pollution.
Absorption method: adsorbed by the oil in water emulsion in water with sorbing material, makes oil in water emulsion free from environmental pollution.
Chemical method: with chemical agent and oil in water emulsion liquid reactions, makes oil in water emulsion liquid realize oily being separated with water.
Biochemical process: the metabolic function utilizing microorganism, decomposes the oil in water emulsion in water, thus the oil in removing oil in water emulsion liquid.
In above method, the oil in water emulsion particle being less than rate precision cannot be tackled by filtration method from water, and the oil in water emulsion in water adsorbs by absorption method sorbing material, but easily causes blocking, needs periodic replacement.Chemical method exists needs larger reacting tank body, and the reactant that chemical reaction produces needs regularly to remove.Biochemical process needs the enough biochemical reaction time.
Utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, and provide a kind of marine oily water treatment unit, treatment scheme is simply ingenious, by swash plate pre-treatment, the polymerization of coarse filter core and ultrafiltration membrance filter, ensures that water outlet reaches emission standard.
In order to solve above technical problem, the utility model provides a kind of marine oily water treatment unit, comprise upper cover, upper cavity housing and lower chamber housing, upper cover is connected with upper cavity housing seal, upper cavity enclosure interior is equipped with swash plate bracing frame, swash plate bracing frame is fixedly mounted on upper cavity swash plate by water distributor, water-in is equipped with above upper cavity swash plate, upper cavity housing, upper cavity housing lower end to be tightly connected lower chamber housing by coarse filter core retaining plate, coarse filter core retaining plate is tightly connected coarse filter core, coarse filtration filter core is positioned at lower chamber housing, the upper end of lower chamber housing is provided with lower chamber oil outlet, its lower end is connected with ultra-filtration membrane device by pipeline, ultra-filtration membrane device is provided with outlet conduit and reflux line.
Emulsifying greasy dirt water enters from the water-in of upper cavity; the bottom of upper cavity housing is entered into after the pre-treatment of upper cavity swash plate; oil droplet and water is separated under the effect of the pressure by the coarse filter core in lower chamber housing; the top that oil droplet directly can float up to lower chamber housing is assembled; discharged by lower chamber oil outlet; water flows into ultra-filtration membrane device from the pipeline of lower chamber housing and is separated; discharged from through outlet conduit by the water of ultra-filtration membrane, do not discharged from reflux line by the oily water of ultra-filtration membrane.
The technical scheme that the utility model limits further is: upper cover two ends are connected with upper cavity housing seal by screw bolt and nut, and oil resisting rubber pad is housed between upper cover and upper cavity housing, avoids emulsifying greasy dirt water to ooze out from junction under pressure.
Further, upper cavity oil outlet is equipped with in the upper end of upper cavity housing.
Further, upper cavity swash plate is fixedly connected with described water distributor by set nut.
Further, coarse filter core by holding bolt be that coarse filter core retaining plate is tightly connected, between coarse filter core and holding bolt, rubber sheet gasket is housed.
Further, above cover liquid level sensor is installed.
The beneficial effects of the utility model are: treatment scheme is simply ingenious; adopt physical method; emulsifying greasy dirt water is by swash plate pre-treatment, the polymerization of coarse filter core oil droplet and ultra-filtration membrane sewage water filtration; ensure that water outlet reaches emission standard; whole installation cost is cheap; purification rate is fast, simple to operate, is convenient to maintenance process.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that coarse filter core of the present utility model is separated schematic diagram.
Fig. 3 is that ultra-filtration membrane device of the present utility model is separated schematic diagram.
Embodiment
embodiment 1
A kind of marine oily water treatment unit that the present embodiment provides, as shown in Figure 1, comprise upper cover 1, upper cavity housing 7 and lower chamber housing 9, upper cover 1 and upper cavity housing 7 are tightly connected, swash plate bracing frame 17 is equipped with in upper cavity housing 7 inside, swash plate bracing frame 17 is fixedly mounted on upper cavity swash plate 6 by water distributor 18, water-in 4 is equipped with above upper cavity swash plate 6, upper cavity housing 7, upper cavity housing 7 lower end to be tightly connected lower chamber housing 9 by coarse filter core retaining plate 8, coarse filter core retaining plate 8 is by bolt 16 and nut and upper, lower chamber housing connects, junction is provided with oil resistant pad, coarse filter core retaining plate 8 is tightly connected coarse filter core 10, coarse filtration filter core 10 is positioned at lower chamber housing 9, the upper end of lower chamber housing 9 is provided with lower chamber oil outlet 14, its lower end is connected with ultra-filtration membrane device 15 by pipeline 13, ultra-filtration membrane device 15 is provided with outlet conduit 23 and reflux line 24.
Upper cover 1 two ends are tightly connected with upper cavity housing 7 by bolt 2 and nut 20, and oil resisting rubber pad 3 and pad 21 are housed between upper cover 1 and upper cavity housing 7.
Upper cavity oil outlet 19 is equipped with in the upper end of upper cavity housing 7.
Upper cavity swash plate 6 is fixedly connected with described water distributor 18 by set nut 5.
Coarse filter core 10 by holding bolt 12 be that coarse filter core retaining plate 8 is tightly connected, rubber sheet gasket 11 is housed between coarse filter core 10 and holding bolt 12.
Upper cover 1 is provided with liquid level sensor 22.
Coarse filter core 10 is separated as shown in Figure 2; pretreated oily water and emulsifying greasy dirt water is carried out through upper cavity swash plate 6; enter into the bottom of upper cavity housing 7; under the effect of the pressure by coarse filter core 10; carry out polymerization and form oil droplet; the top that oil droplet floats up to lower chamber housing 9 is assembled, and is separated.
Ultra-filtration membrane device 15 is separated as shown in Figure 3, emulsifying greasy dirt water enters in ultra-filtration membrane device 15 through lower chamber housing 9 and pipeline 13, under the effect of the pressure, discharged from through outlet conduit 23 by the water of ultra-filtration membrane, do not discharged from reflux line 24 by the oily water of ultra-filtration membrane device 15.
According to the test requirements document in MEPC.107 (49), mix the mixed solution of 6% test(ing) liquid " C " and 94% water composition, make the oil in water emulsion content of test water reach 3,000 ppm, until establish stable condition.The operating mode that the mixed solution that stable condition is set to the test(ing) liquid " C " and water being no less than 15 ppm bilge water separator capacity twices in pumping is established after flowing through 15 ppm bilge water separators.Under the operating pressure of≤0.25MPa, test 2.5h, the 50min after regulating and 100min, at effluent outlet sampling oil in water emulsion oleaginousness≤15ppm.
Test(ing) liquid " C " is the emulsion mixture of a kind of oil and fresh water, and blending ratio is that this liquid of 1 kg is made up of 947.8 g fresh water, the remaining marine fuel oil of 25.0 g, 25.0 g distillation fuel oil peculiar to vessel, 0.5 g dry type tensio-active agent, 1.7 g " ferric oxide ".
Coarse filter core has the polymerization to fine oil droplets, and the oil droplet of droplet diameter >=5 μm can be made to carry out polymerization interception.
The uniform pore diameter of ultra-filtration membrane and there is stronger snappiness, can ensure that effective interception capacity filters with satisfied essence and put into application requiring, can tackle the fine oil droplets of diameter >=0.5 μm, in cleaning, the NaOH of available 3 ~ 8% adds Sodium dodecylbenzene sulfonate and cleans.
The advantage of the present embodiment is; treatment scheme is simply ingenious; adopt physical method; emulsifying greasy dirt water is by swash plate pre-treatment, the polymerization of coarse filter core oil droplet and ultra-filtration membrane sewage water filtration; ensure that water outlet reaches emission standard, whole installation cost is cheap, and purification rate is fast; simple to operate, be convenient to maintenance process.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (6)
1. a marine oily water treatment unit, comprise upper cover, upper cavity housing and lower chamber housing, it is characterized in that, described upper cover is connected with described upper cavity housing seal, described upper cavity enclosure interior is equipped with swash plate bracing frame, described swash plate bracing frame is fixedly mounted on upper cavity swash plate by water distributor, water-in is equipped with above described upper cavity swash plate, described upper cavity housing, described upper cavity housing lower end to be tightly connected described lower chamber housing by coarse filter core retaining plate, described coarse filter core retaining plate is tightly connected coarse filter core, described coarse filter core is positioned at described lower chamber housing, the upper end of described lower chamber housing is provided with lower chamber oil outlet, its lower end is connected with ultra-filtration membrane device by pipeline, described ultra-filtration membrane device is provided with outlet conduit and reflux line.
2. marine oily water treatment unit according to claim 1, is characterized in that, described upper cover two ends are connected with upper cavity housing seal by screw bolt and nut, between described upper cover and described upper cavity housing, oil resisting rubber pad is housed.
3. marine oily water treatment unit according to claim 1, is characterized in that, upper cavity oil outlet is equipped with in the upper end of described upper cavity housing.
4. marine oily water treatment unit according to claim 1, is characterized in that, described upper cavity swash plate is fixedly connected with described water distributor by set nut.
5. marine oily water treatment unit according to claim 1, is characterized in that, described coarse filter core by holding bolt be that coarse filter core retaining plate is tightly connected, between described coarse filter core and described holding bolt, rubber sheet gasket is housed.
6. marine oily water treatment unit according to claim 1, is characterized in that, covers and be provided with liquid level sensor on shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420580785.XU CN204185306U (en) | 2014-10-10 | 2014-10-10 | Marine oily water treatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420580785.XU CN204185306U (en) | 2014-10-10 | 2014-10-10 | Marine oily water treatment unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204185306U true CN204185306U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420580785.XU Active CN204185306U (en) | 2014-10-10 | 2014-10-10 | Marine oily water treatment unit |
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| CN (1) | CN204185306U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430674A (en) * | 2016-08-26 | 2017-02-22 | 南京国能环保工程有限公司 | Multilevel interception-type filtering method |
| CN108341509A (en) * | 2018-04-19 | 2018-07-31 | 南京中船绿洲环保有限公司 | A kind of high-performance oil and water treatment equipment |
-
2014
- 2014-10-10 CN CN201420580785.XU patent/CN204185306U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430674A (en) * | 2016-08-26 | 2017-02-22 | 南京国能环保工程有限公司 | Multilevel interception-type filtering method |
| CN108341509A (en) * | 2018-04-19 | 2018-07-31 | 南京中船绿洲环保有限公司 | A kind of high-performance oil and water treatment equipment |
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