1. Physically and chemically emulsified hydrocarbon waters separator for ships’ bilges, constructed to separate in an independent way the free hydrocarbon as well as the emulsified hydrocarbon in a mixture of hydrocarbon water, and being applicable preferently in ship’s bilges, it is wherein it comprises two separation units, the first one as a gravimetric separation unit with coalescent plates to separate free hydrocarbon in the mixture of hydrocarbon water, while the separation unit has membrane ultrafiltration to separate the emulsified hydrocarbon; provided with a suction pump for the mixture of hydrocarbon water at the entrance, through a pipe, in each corresponding tank situated in this gravimetric separation unit, including a propeller pump of water without free hydrocarbon, coming from the separation unit, for its inlet and passing through the ultrafiltration unit, having also a third propeller pump of free hydrocarbon separated in the gravimetric unit, for its carriage to a pipe or common collector that flows to a storage tank of this hydrocarbon; including a detector of accumulated free hydrocarbon in the top part of the coalescent plates gravimetric unit, as well as a switchboard by means of which it is controlled automatically the functioning of the referred pumps, as well as the valves and other devices projected to allow the inlet of clean water according to the signals emitted as well as by the detector of free hydrocarbon as by water detectors and the ones coming from an hydrocarbon analyser provided in the same separator.
2. Physically and chemically emulsified hydrocarbon waters separator for ships’ bilges, according to claim 1, wherein it comprises a branch or pipe provided between the gravimetric separation unit and the ultrafiltration separation unit, between pumps; a filter of solid particle retention that carries the mixture of water without the free hydrocarbon, with the particularity that at the outlet of this filter a pressure control valve is provided to eventually free the pump pressure; said filter being connected to a branch to clean counter-cleaning, through an automatic valve, as well as a discharge branch, through another automatic valve.
3. Physically and chemically emulsified hydrocarbon waters separator for ships’ bilges, according to claim 1, wherein the ultrafiltration separation unit has an outlet branch of clean water obtained in the passage through the membranes of this unit in which side it is provided with a flow meter and an automatic valve; through said valve said clean water is sent to the corresponding outlet collector for its collection in the respective storage tank; with the distinction that in said outlet collector exist a continuous analysis of discharged water sampling offtake; in this branch there is a valve provided in combination with a second valve that closes when the other opens and vice versa, and allows in this last case the recirculation of water to the tank receiver of the mixture of hydrocarbon water.
4. Physically and chemically emulsified hydrocarbon waters separator for ships’ bilges, according to claim 1, wherein in the outlet branch of the separator unit, a diversion with an automatic valve has been foreseen for the intake of drinking water for the backwashing of the membranes of the referenced separator unit.
5. Physically and chemically emulsified hydrocarbon waters separator for ships’ bilges, according to claim 1, wherein the emulsified hydrocarbon obtained in the separator unit reaches the common collector conduit through a branch in which an automatic valve and a flow meter have been foreseen.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An optical disc drive, comprising:
a chassis;
an optical pickup head having at least one rail hole and a rail notch;
a primary guide rail fixed on the chassis and penetrated through the rail hole;
a first screw; and
a secondary guide rail member fixed on the chassis, and comprising:
a guide rail part embedded into the rail notch, so that the optical pickup head is movable on the primary guide rail and the guide rail part;
a base part;
an extension part having a first end connected with the base part and a second end connected with the guide rail part; and
an elastic element disposed under the base part and contacted with the chassis, wherein a first compressible space is defined between the base part, the elastic element and the chassis and the elastic element is an L-shape element having one end connected to the base part,
wherein the guide rail part, the base part, the extension part and the elastic element of the secondary guide rail member are integrally formed;
wherein the first screw is penetrated through the base part and the first compressible space and screwed in the chassis, wherein by changing a screwed depth of the first screw in a screw hole, an altitude of the guide rail part is correspondingly adjusted.
2. The optical disc drive as claimed in claim 1, wherein a second compressible space is further defined between the elastic element, the base part and the chassis, and a second screw is penetrated through the base part and the second compressible space and screwed in the chassis, wherein by changing a screwed depth of the second screw in a screw hole, the altitude of the guide rail part is correspondingly adjusted.
3. The optical disc drive as claimed in claim 2, further comprising a third screw, which is located at an end of the primary guide rail and screwed in the chassis, wherein by changing a screwed depth of the third screw in a screw hole, an altitude of the primary guide rail is correspondingly adjusted.
4. The optical disc drive as claimed in claim 3 further comprising a spindle motor, which is fixed on the chassis for supporting and rotating an optical disc, wherein by adjusting the first screw, the second screw or the third screw, a tilt angle between the optical pickup head and the optical disc is correspondingly adjusted.
5. The optical disc drive as claimed in claim 1, wherein the guide rail part, the base part, the extension part and the elastic element of the secondary guide rail member are made of plastic material.
6. A tilt adjusting device for an optical pickup head, the tilt adjusting device being fixed on a chassis of the optical disc drive, a primary guide rail being supported on the chassis and penetrated through at least one rail hole of the optical pickup head, the tilt adjusting device comprising:
a first screw;
a secondary guide rail member fixed on the chassis, and comprising:
a guide rail part embedded into a rail notch of the optical pickup head, so that the optical pickup head is movable on the primary guide rail and the guide rail part;
a base part;
an extension part having a first end connected with the base part and a second end connected with the guide rail part; and
an elastic element disposed under the base part and contacted with the chassis, wherein a first compressible space is defined between the base part, the elastic element and the chassis and the elastic element is an L-shape element having one end connected to the base part,
wherein the guide rail part, the base part, the extension part and the elastic element of the secondary guide rail member are integrally formed;
wherein the first screw is penetrated through the base part and the first compressible space and screwed in the chassis, wherein by changing a screwed depth of the first screw in a screw hole, an altitude of the guide rail part is correspondingly adjusted.
7. The tilt adjusting device as claimed in claim 6, wherein a second compressible space is further defined between the elastic element, the base part and the chassis, and a second screw is penetrated through the base part and the second compressible space and screwed in the chassis, wherein by changing a screwed depth of the second screw in a screw hole, the altitude of the guide rail part is correspondingly adjusted.
8. The tilt adjusting device as claimed in claim 7 further comprising a spindle motor, which is fixed on the chassis for supporting and rotating an optical disc, wherein by adjusting the first screw or the second screw, a tilt angle between the optical pickup head and the optical disc is correspondingly adjusted.
9. The tilt adjusting device as claimed in claim 6, wherein the guide rail part, the base part, the extension part and the elastic element of the secondary guide rail member are made of plastic material.