CN208295509U - A kind of Oiltank structure reducing oil return foam - Google Patents

Abstract

The utility model relates to the Oiltank structures that one kind can reduce oil return foam, including oil tank body and the steam turbine oil return pipe being connected to oil tank body, oil return ramp is fixedly connected in oil tank body, the top of the slope end of oil return ramp close to steam turbine oil return pipe oil outlet and accept the fuel-displaced of oil outlet, the bottom of slope end of oil return ramp is spaced apart with the bottom wall of oil tank body, the upper surface of oil return ramp is equipped with the deceleration strip of multiple parallel intervals setting, region uniform intervals on oil return ramp between two neighboring deceleration strip are provided with multiple lower oilholes, the lower surface of oil return ramp is fixedly connected with plays oil pipe with lower oilhole correspondingly, bottom wall of the lower end of lower oil pipe close to oil tank body, multiple through-holes are uniformly provided on the side wall of lower oil pipe.Have the beneficial effect that, by the setting of oil return ramp, lower oilhole, lower oil pipe and deceleration strip etc., can make smoothly to flow into oil tank body from the wetting oil that flowline flows out, will not because speed is big generate splashing foam and mist of oil the problems such as.

Description

A kind of Oiltank structure reducing oil return foam

Technical field

The utility model belongs to turbo-engine lube supply field, and in particular to one kind can reduce the fuel tank knot of oil return foam Structure.

Background technique

Lubricating oil has certain velocity amplitude during oil return box, generates impact to trapped fuel in fuel tank, therefore produce Raw a large amount of splashing foam increases the pressure in fuel tank, causes oil return unsmooth so that steam turbine oil is atomized, and then influences vapour Machine oil is taken turns to the lubricant effect of bearing, causes bearing bush temperature excessively high.Bearing bush temperature is excessively high, also just influences in steam turbine oil return temperature It rises, causes more serious steam turbine oil to vaporize, more mist of oils are generated in fuel tank.And then cause vicious circle, it may cause Failure or accident potential；Due to being equipped with mist extractor blower, base after steam turbine oil atomization on the fuel tank panel of most of petrol stations Originally it is extracted emptying.Therefore there is a large amount of waste, so that the economy of petrol station in use reduces.Utility model patent CN203730079U in view of the above-mentioned problems, propose it is a kind of with eliminate oil return foaming structure oil supply system, solve to a certain extent It has determined the above problem, but structure is still relatively complicated and needs to limit minimum oil level and adds service tank, fluid level transmitter, control Valve processed etc..

Utility model content

The utility model provides a kind of Oiltank structure that can reduce oil return foam, it is intended to overcome steam turbine in the prior art Lubricating oil generates the technical issues of a large amount of splashing foam in oil return box.

The technical solution that the utility model solves above-mentioned technical problem is as follows: one kind can reduce the fuel tank knot of oil return foam Structure is fixedly connected with back in the oil tank body including oil tank body and the steam turbine oil return pipe being connected to the oil tank body Oily ramp, the top of the slope end of the oil return ramp close to the steam turbine oil return pipe oil outlet and accept going out for the oil outlet The bottom of slope end of oil, the oil return ramp is spaced apart with the bottom wall of the oil tank body, and the upper surface of the oil return ramp, which is equipped with, to be used In the multiple deceleration strips for increasing the fuel-displaced friction in down stroke, multiple deceleration strip parallel intervals are arranged, on the oil return ramp Region uniform intervals between the two neighboring deceleration strip are provided with multiple lower oilholes, the lower surface of the oil return ramp It is fixedly connected with and plays oil pipe correspondingly with the lower oilhole, the upper end of the lower oil pipe is connected to corresponding lower hydraulic fluid port, institute Bottom wall of the lower end close to the oil tank body of lower oil pipe is stated, is uniformly provided with multiple through-holes on the side wall of the lower oil pipe.

Based on the above technical solution, the utility model can also do following improvement.

Further, the angle of the oil return ramp and horizontal plane is 10-30 °.

Beneficial effect using above-mentioned further scheme is that the angle of oil return ramp and horizontal plane should be in above-mentioned restriction In range, (excessive then slowing effect change is simultaneously poor) is should not be too large, also unsuitable too small (too small then excessively gentle, oil liquid friction in down stroke It is excessive, have and rested on oil return ramp compared with heavy wool, stress is big easy to damage and will lead to the Extraction rate of lower oil pipe and becomes faster, and foam increases Add.

Further, the lower end of the oil return ramp is fixedly connected with the oil baffle just stretched straight up.

Beneficial effect using above-mentioned further scheme is that oil baffle is arranged to be advantageous in that, when flowline is fuel-displaced fast When, oil baffle can will have little time that the lubricating oil to lower section is sent temporarily to reside on oil return ramp by lower oil pipe, prevent by returning Oil liquid is caused to splash with liquid level collision when oily ramp lower end directly falls.

Further, the height of the oil baffle is the 50-100% of the oil return ramp height.

Beneficial effect using above-mentioned further scheme is that oil return ramp is unsuitable too high or too low, excessively high to may cause out Oil is unsmooth, too low, and it is ineffective to keep off oil.

Further, the oil tank body is rectangular-shape, the top of the slope end and two sides of the oil return ramp and the fuel tank Three side walls of ontology are fixedly connected.

Beneficial effect using above-mentioned further scheme is, the top of the slope end of oil return ramp and two sides respectively with fuel tank sheet Three side wall of body is fixedly connected, and is beneficial to prevent oil liquid caused by lubricating oil falls from two sides and is splashed.

Further, the section of the deceleration strip in the vertical direction is arch.

Beneficial effect using above-mentioned further scheme is that arc is face-up, and gentle and effect of slowing down is good, is similar to highway The structure of deceleration strip.

Further, the vertical distance being spaced between the lower end of the oil return ramp and the oil tank body bottom wall is 5- 15cm, the vertical distance being spaced between the lower oil pipe and the oil tank body bottom wall are 0.5-2cm.

Beneficial effect using above-mentioned further scheme is can to reduce the fuel-displaced oil tank bottom that falls to the greatest extent to produce with liquid level collision Oil generation liquid splashes.

Compared with prior art, the utility model has the beneficial effects that

By the setting of oil return ramp, lower oilhole, lower oil pipe and deceleration strip etc., the wetting oil flowed out from flowline can be made Smoothly flow into oil tank body, will not because speed is big generate splashing foam and mist of oil the problems such as, the lower end group of lower oil pipe This is already close to the bottom of oil tank body, therefore the lower end of lower oil pipe is substantially in the state being submerged, basic in oil tank body The less situation of oil mass can not occur, therefore not need to limit fuel tank sheet substantially using Oiltank structure provided by the utility model Intracorporal minimum level, at the same do not need setting service tank or special Liquid level structure, overall structure it is simpler.

Detailed description of the invention

Fig. 1 is the side perspective schematic diagram for the Oiltank structure that one kind provided by the utility model can reduce oil return foam；

Fig. 2 is the top view (not showing steam turbine oil return pipe) of Oiltank structure shown in Fig. 1；

Fig. 3 is the structural schematic diagram of through-hole on lower oil pipe and its side wall.

In attached drawing, parts list represented by the reference numerals are as follows:

1. oil tank body；2. steam turbine oil return pipe；3. oil return ramp；4. deceleration strip；5. lower hydraulic fluid port；6. lower oil pipe；7. logical Hole；8. oil baffle.

Specific embodiment

The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical It is novel, it is not intended to limit the scope of the utility model.

As shown in Figures 1 to 3, the utility model provides a kind of Oiltank structure that can reduce oil return foam, including oil tank body 1 And the steam turbine oil return pipe 2 being connected to the oil tank body 1, oil return ramp 3 is fixedly connected in the oil tank body 1, it is described The top of the slope end of oil return ramp 3 close to the steam turbine oil return pipe 2 oil outlet and accept the fuel-displaced of the oil outlet, the oil return The bottom of slope end of ramp 3 is spaced apart with the bottom wall of the oil tank body 1, and the upper surface of the oil return ramp 3 is equipped with for increasing Multiple deceleration strips 4 of fuel-displaced friction in down stroke are stated, multiple 4 parallel intervals of deceleration strip are arranged, and phase is located on the oil return ramp 3 Region uniform intervals between adjacent two deceleration strips 4 are provided with multiple lower oilholes 5, and the bottom of the oil return ramp 3 is fixed It is connected with and plays oil pipe 6 correspondingly with the lower oilhole 5, the upper end of the lower oil pipe 6 is connected to corresponding lower hydraulic fluid port, described The lower end of lower oil pipe 6 is uniformly provided with multiple through-holes 7 on the side wall of the lower oil pipe 6 close to the bottom wall of the oil tank body 1.

It should be noted that oil return ramp, deceleration strip and lower oil pipe can be made of stainless steel, it can be integrally formed or distinguish Welded after molding or by bolt not, the connection such as ring flange.

Further, the angle of the oil return ramp 3 and horizontal plane is 10-30 °.

Further, the lower end of the oil return ramp 3 is fixedly connected with the oil baffle 8 just stretched straight up.

Further, the height of the oil baffle 8 is the 50-100% of 3 height of oil return ramp.

Further, the oil tank body 1 is rectangular-shape, the top of the slope end and two sides of the oil return ramp 3 and the oil Three side walls of case ontology 1 are fixedly connected.

Further, the section of the deceleration strip 4 in the vertical direction is arch.

Further, the vertical distance being spaced between 1 bottom wall of the lower end of the oil return ramp 3 and the oil tank body is 5- 15cm, the vertical distance being spaced between 1 bottom wall of the lower oil pipe 6 and the oil tank body are 0.5-2cm.

In actual use, oil liquid is after flowline is flow on oil return ramp below, because gravity is along oil return ramp downlink, Become smaller during downlink by deceleration strip speed of action, is slowly moved down, when by region between two deceleration strips, one in oil liquid Branch flows into lower oil pipe by through-hole, and lower oil pipe can be vertically arranged also tiltable setting, because oil mass is usually less and by oil return Ramp spreads out that rear oil mass is smaller, therefore oil liquid can be along the tube wall slip to fuel tank of lower oil pipe, and the side wall of lower oil pipe is equipped with Through-hole thus equally can be smoothly slowly fuel-displaced after the lower end of oil pipe is submerged instantly；From top of the slope to bottom of slope adjacent two rows of lower oilholes it Between it is interleaved, preferably to share out along the oil liquid that slope surface flows downward and to enter in fuel tank through lower oil pipe.In actual use Abatement reduces the excellent of foam.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (7)

1. one kind can reduce the Oiltank structure of oil return foam, including oil tank body (1) and the vapour being connected to the oil tank body (1) Turbine oil return pipe (2), which is characterized in that be fixedly connected with oil return ramp (3) in the oil tank body (1), the oil return ramp (3) top of the slope end close to the steam turbine oil return pipe (2) oil outlet and accept the fuel-displaced of the oil outlet, the oil return ramp (3) bottom of slope end is spaced apart with the bottom wall of the oil tank body (1), and the upper surface of the oil return ramp (3) is equipped with for increasing Multiple deceleration strips (4) of the fuel-displaced friction in down stroke, multiple deceleration strip (4) parallel interval settings, the oil return ramp (3) The upper region uniform intervals between the two neighboring deceleration strip (4) are provided with multiple lower oilholes (5), the oil return ramp (3) lower surface is fixedly connected with to be played oil pipe (6) correspondingly with the lower oilhole (5), the upper end of the lower oil pipe (6) with Corresponding lower hydraulic fluid port connection, the lower end of the lower oil pipe (6) close to the oil tank body (1) bottom wall, the lower oil pipe (6) Multiple through-holes (7) are uniformly provided on side wall.

2. the Oiltank structure that one kind according to claim 1 can reduce oil return foam, which is characterized in that the oil return ramp It (3) is 10-30 ° with the angle of horizontal plane.

3. the Oiltank structure that one kind according to claim 1 can reduce oil return foam, which is characterized in that the oil return ramp (3) lower end is fixedly connected with the oil baffle (8) just stretched straight up.

4. the Oiltank structure that one kind according to claim 3 can reduce oil return foam, which is characterized in that the oil baffle (8) height is the 50-100% of oil return ramp (3) height.

5. the Oiltank structure that one kind according to claim 1 can reduce oil return foam, which is characterized in that the oil tank body It (1) is rectangular-shape, the top of the slope end and two sides of the oil return ramp (3) and three side walls of the oil tank body (1) are fixed Connection.

6. the Oiltank structure that one kind according to claim 1 can reduce oil return foam, which is characterized in that the deceleration strip (4) section in the vertical direction is arch.

7. the Oiltank structure that one kind according to any one of claims 1 to 6 can reduce oil return foam, which is characterized in that institute Stating the vertical distance being spaced between the lower end of oil return ramp (3) and the oil tank body (1) bottom wall is 5-15cm, the lower oil pipe (6) vertical distance being spaced between the oil tank body (1) bottom wall is 0.5-2cm.