CN2042744U - Separator for oil and water - Google Patents

Abstract

The utility model relates to an oil water separator, comprising a first barrel, a second barrel and a water pump. A spiral type mechanical separator, a sloping tray type coarse granulation component, and a bell cover type coarse granulation component are arranged on the first barrel from top to bottom; a bell cover type coarse granulation component, a fibre oil absorbing material packed layer, and a particle oil absorbing packed layer are arranged on the second barrel from top to bottom. The first barrel and the second barrel are connected in series, and the oil content of the water at outlets after the separation of the utility model is below 10 mg/l. The utility model has the advantages of compact structure, small size, small ground occupation, simple operation and high reliability.

Description

Separator for oil and water

The application belongs to oily water separating equipment.

At present, most of medium and small fishing cruisers and inland river power ship, at the oil-containing engine room water and the bilge-water that travel, produce in the operation process, all be unprocessed and directly enter water body, not only pollute river, river, lake, saline waters, have a strong impact on aquatic resources, and the oils that is mingled in the water is run off in vain.According to the statistics made by the departments concerned, general fishing cruiser produces 1 ton of oily waste water every day approximately, and its oil content was established year operation 240 days greater than 10%, and then the oils that runs off from the waste water of discharging will have 240kg/.According to 85 years data statistics, all kinds of power vessels in Zhejiang Province only enter the about 2400T/ of total oil mass of ocean.On this class power ship, be equipped with suitable oil water separator, drain into water body again after making vessel Waste through the oil water separator recovered oil, but the waste discharge oil content reach discharging standards.Both protected the water body environment in river, river, lake, sea, recyclable again a considerable amount of waste oil, these waste oil can utilize after simple process again.

The TFU type oil water separator that this Bamboo grass of Ri storehouse machinery production is produced is made up of first, second and water pump.First is made of the crude separation chamber on top and the smart separation chamber of bottom; Second is made of the oil droplet dust trapping chamber of bottom and the gravity separator on top.This separator separating property can only reach more than the 15PPm, can not satisfy the requirement of oil content discharge standard in the water of China's environmental standard defined.

The application is exactly a kind of novel oil water separator that designs in order to overcome above-mentioned shortcoming.

Fig. 1 is that oil water separator complete machine structure schematic diagram, Fig. 2 are the vertical view of inclined disc type coarse member for vertical view, Fig. 3 of screw machine separator for longitudinal sectional view, Fig. 4 of screw machine separator, and Fig. 5 is the cutaway view of inclined disc type coarse member.

The application's main points are: equipment body is made up of first, second and water pump. In first, be separately installed with the screw machine separator from top to bottom, inclined disc type coarse member and bell-jar coarse member. Be separately installed with bell-jar coarse member in second from top to bottom, fibrous oil absorption material packed layer and particle oil absorption material packed layer, first and second is connected in series. Each parts is all made respectively overall structure, installs, dismantles, changes very convenient.

The screw machine separator is to process with spiral plate.Its material can be used plastics or lucite such as polyvinyl chloride, polyethylene, polypropylene, also metal material such as available carbon steel, but be preferably in surface coating anti-corrosion material, to prevent corrosion.

Inclined disc type coarse member is enclosed within the last fixed processing of garden, center pipe that has aperture and is formed by the taper swash plate of one group of centre perforate.The garden dish is 30～60 degree with the gradient of horizontal plane.Have aperture on the dish type dividing plate periphery of garden, bottom, aperture evenly distributes.The material of member can adopt above-mentioned plastics, metal or enamel processing assembling.

Bell-jar coarse member is made up of inside and outside two garden tubes, base ring and top covers.Inside and outside garden tube and base ring welding are fixing, top cover flexibly connects, and are convenient to change inner packing material.All have equally distributed aperture on inside and outside tube and the top cover.Be filled with oil absorption material in the tube cavity of inside and outside garden.They can be dacron thread, nylon yarn, polyacrylic fibres, polystyrene and polyurethane porous foam body fragment and other lipophile material.

The fibrous oil absorption material packed layer is a garden pie overall structure.With filling in the nylon cloth bag with lipophile materials such as dacron thread, nylon yarn, polyacrylic fibres, polystyrene and polyurethane sponge plastics fragments and make.Directly be blocked in second.

Particle oil absorption material packed layer structure and fibrous oil absorption material packed layer are identical, and its oil absorption material can adopt active carbon, sulfonated coal, carbon absorbent, bentonite and macromolecule resin class or the like oil absorption small particle.Packed layer can directly be packed in second.

The application's operating process is:

Oily waste water by hopper or the bilge through coarse filter (1), elimination mechanical admixture and solid suspension, tangentially be pressed into the screw machine separator (3) on first top by second below water pump (2), waste water by the outer ring inwardly rotation flow to the center clearance of separator.This structure can make the flow path of waste water increase, and prolongs the level time of staying, makes oil droplet that more abundant floating interval of floating dock be arranged.And in flow process slowly, constantly change flow direction, and increase the collision and the poly-chance of oil droplet, make oil droplet grow up rapidly and float to top gathering room (4).The separated waste water that removes the bulky grain oil droplet by middle annular space downwards through deflection plate (5); flow into the inclined disc type coarse member (6) at first middle part from peripheral slit; for preventing that waste water from directly entering first middle part from first top periphery short circuit, between the outside of screw machine separator and first barrel, sealing ring (7) is set.The waste water that enters first middle part is managed in the oblique garden, center that flow to downwards from the gap of per two swash plates in all edges, and flows into first lower space (10) downwards by the aperture on the pipe of garden.Less oil droplet is able to and poly-growing up owing to hydraulic action in the swash plate gap, and reverse come-up floats to top gathering room (4) by central upper portion pipe (9) to middle gathering room (8) again.First lower space (10) is provided with bell-jar coarse member (11).Waste water flows to the center by periphery by (11).Wherein fine dispersed oil and oil emulsion are by oil absorption material (12) capture and by coarse.Grown up after to a certain degree by the oil droplet of coarse; float and gather bottom gathering room (13) owing to buoyancy can break away from oil absorption material; pass through aperture come-up on the base dividing plate (14) of inclined disc type coarse member (6) again to middle gathering room (8), then further come-up to top gathering room (4).From the waste water that the central tube of bell-jar coarse member (11) comes out, removed 60～80% oil content, this waste water is tangentially entered second top through pipeline by first tube bottom.Be deposited on the heavy mud of first tube bottom, can be by bottom mud discharging mouth (15) discharging regularly.

The waste water that enters second is further removed the oil emulsion oil content through top bell-jar coarse member (16), enters the fibrous oil absorption material packed layer (17) and the particle oil absorption material packed layer (18) at second middle part again, removes oil emulsion and dissolved oil.Handle water and enter second lower space (20), and discharge by outlet (21) by bottom porous bearing plates (19).In second by coarse, and poly-oil droplet of growing up on float to top gathering room (24).First top is provided with automatic oil draining valve (23) and manual oil extraction (exhaust) valve (26).Be collected in the oil content of gathering room (4) by electric circuit board control discharging regularly.Be provided with manual oil extraction, air bleeding valve (25) at second top.If the long-term back of using strengthens as finding resistance, Pressure gauge (22) pressure rises, and then can pass through counter-flushing pipeline, carries out the short-term backwash by being pumped into clear water, can make pressure recover normally can continue use.According to different wastewater treatment capacity, can be made into the product of different specification size, make product seriation.

The application has following characteristics:

1. oil removal efficiency height.Through careful design, make full use of principles such as Gravity Separation, coarse and absorption from structure and material two aspects, separate oil slick, dispersed oil, oil emulsion and dissolved oil in the waste water step by step.Go out the saliva oil content and can be lower than 10mg/l.Through the test running of long period, go out the saliva oil content mostly about 5mg/l.

2. first and second interior critical piece can use for a long time, needn't change.After long-term the use,,, change also very convenient because each parts is overall structure even need the removable parts oil absorption material.

3. simple to operate, stable, reliable.The oil of separating is discharged by the automatic oil draining device, needn't the special messenger keep an eye on.

4. corrosion-resistant, long service life can backwashes, and maintenance is cleaned convenient, as long as open top cover, internals can wholely one by one take out and clean, maintenance.

Compact conformation, volume is little, floor space is little.

Claims (3)

1, a kind of oil water separator.Comprise first, second and water pump.It is characterized in that said first, be provided with screw machine separator (3) from top to bottom, inclined disc type coarse member (6) and bell-jar coarse member (11); Said second, be provided with bell-jar coarse member (16) from top to bottom, fibrous oil absorption material packed layer (17) and particle oil absorption material packed layer (18); First and second is connected in series.

2, according to claim 1, described a kind of oil water separator is characterized in that said screw machine separator is to be processed by spiral plate, is provided with sealing ring (7) between the separator outside and first barrel; Inclined disc type coarse member is enclosed within garden, the center pipe that has aperture by the taper swash plate of perforate in the middle of a group and goes up fixed processing and form, and the gradient of garden dish and horizontal plane has equally distributed aperture at 30～60 degree on garden, bottom dish type dividing plate (14) periphery; Bell-jar coarse member is made up of inside and outside two garden tubes, base ring and top covers, inside and outside garden tube and base ring welding are fixing, top cover flexibly connects, and all has equally distributed aperture on inside and outside tube and the top cover, fills oil absorption material (12) in the cavity that inside and outside garden tube is wrapped; Fibrous oil absorption material packed layer (17) and particle oil absorption material packed layer (18) are respectively garden pie overall structures.

3, according to claim 1,2 described a kind of oil water separators is characterized in that said oil absorption material is dacron thread, nylon yarn, polyacrylic fibres, polystyrene and polyurethane porous foam; The fibrous oil absorption material packed layer adopts dacron thread, nylon yarn, polyacrylic fibres, polystyrene and polyurethane sponge plastics etc.; Particle oil absorption material packed layer adopts active carbon, sulfonated coal, carbon absorbent, bentonite, atlapulgite, modified alta-mud, macromolecule resin.

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