CN201034154Y

CN201034154Y - Oil mist condensation reclaiming type discharge valve

Info

Publication number: CN201034154Y
Application number: CNU200720079718XU
Authority: CN
Inventors: 山松林; 吴勇
Original assignee: Nuclear Power Institute of China
Current assignee: Nuclear Power Institute of China
Priority date: 2007-05-29
Filing date: 2007-05-29
Publication date: 2008-03-12
Anticipated expiration: 2017-05-29

Abstract

The utility model discloses an oil mist chilling and recovering type exhaust valve, which is provided with an valve core with a closed top, exhaust openings arranged on sidewalls and central porous channels communicated with the exhaust openings at the core part. The utility model is characterized in that: a sealing valve body matching with the valve core is arranged on the side wall of the valve core; the hollow chamber arranged between the inner wall of the valve body and the outer wall of the valve core is a condenser chamber, and an oil-collecting ring groove is positioned at the bottom of the condenser chamber; reflow channels for communicating the inner central porous channel and the bottom of the oil-collecting ring groove are arranged on the walls of the valve core; the exhaust openings internally communicated with the condenser chamber and externally communicated with the exhaust openings are arranged on side walls at the top of the valve body. The oil vapor is condensed firstly in the central holes of the valve core and flows back into the reduction gearbox, and the non-condensed oil vapor enters into the condenser chamber. Under the secondary condensation, the oil vapor is condensed and collected in the oil-collecting ring groove and returns back to the reduction gearbox through the bottom backflow pore channel. The utility model has the advantages of reducing lubricant consumption of the reduction gearbox, improving equipment operating reliability, greatly decreasing oil pollution to the environment, and eabling to be widely used in mechanical speed change mechanism.

Description

Mist of oil condensation recovery type outlet valve

Technical field

The utility model belongs to a kind of discharge means, is specifically related to a kind of outlet valve that is used for retarder.

Background technique

When the mechanical movement speed change, retarder generally is housed on speed changer, retarder is the intermediate equipment between prime mover and the working machine, when working machine contact high temperature media, temperature can be conducted to retarder by working machine, part mechanical energy converts heat energy to during the retarder self-operating, causes the interior lubricating fluid of speed reducer that higher temperature rise is arranged, and causes vaporizing liquid.At present the traditional speed reducer outlet valve that uses is a kind of bolt shape structure, and the core of valve has center hole, and center hole communicates with exhaust port on the valve side, and gas flow becomes 90 to spend.Vapo(u)rizing oil in the speed reducer only carries out a condensation in the center hole of valve, condensed lubricant oil is back in the speed reducer, and the exhaust port on the vapour of the total condensation process valve side is not to airborne release.This traditional retarder outlet valve has following defective:

1. vaporizer (oil vapor) is met cool air after outlet valve is discharged, and in speed reducer outlet valve condensed exterior, causes environment oil pollution;

2. because vaporizer (oil vapor) can not be fully in the outlet valve internal condensation and the speed reducer that refluxes, cause a large amount of non-normal consumptions of lubricating fluid in the speed reducer, the risk that makes speed reducer have lubricating condition to worsen has reduced the reliability of equipment operation.

Summary of the invention

The purpose of this utility model is: a kind of lubricating fluid non-normal consumption that reduces is provided, reduces environmental pollution, improve the mist of oil condensation recovery type outlet valve of equipment operation reliability.

The utlity model has following structure:

A kind of mist of oil condensation recovery type outlet valve, spool with top closure, sidewall has exhaust port, core has to be communicated with this exhaust port central duct, it is characterized in that: the outer cover at this spool sidewall is equipped with the sealed valve body that matches with spool, the cavity that is provided with between this valve interior wall and spool outer wall is a condensation chamber, and the bottom of condensation chamber is the oil-collecting annular groove; On the spool wall, offer the backflow duct that inboard central duct is communicated with outer oil collection annular groove bottom; Open to atmosphere exhaust port outside the logical condensation chamber on the sidewall of valve body top, offering.

Additional technical feature is:

1. between the outer wall of the spool middle part in the valve body lower portion inwall and the oil-collecting annular groove outside, be provided with sealing.

2. the described backflow duct that is communicated with the oil collecting ring groove bottom that offer on the spool wall for the spool circumference along this spool bore road junction is a plurality of backflows duct that distributes symmetrically, is preferably 4 backflow ducts.

3. the described exhaust port of offering on the sidewall of valve body top for the valve body circumference along this exhaust port is a plurality of exhaust ports that distribute symmetrically, is preferably 6 exhaust ports.

4. described valve body and spool are by the thread set integrator on the inner wall surface thereof.

Outstanding advantage of the present utility model is: owing to be provided with condensation chamber in this outlet valve, the at first process first order condensation in the central duct of spool of vaporization liquid, condensation fluid returns speed reducer, remaining oily vapour enters condensation chamber through the spool exhaust port, in the oil-collecting annular groove that is gathered in its bottom after the condensation of the second level; And is back in the speed reducer by the backflow duct, so just significantly reduced the non-normal consumption of lubricating fluid in the speed reducer, reduced lubricant oil and attendant's user cost, improved the reliability of equipment operation, also reduced oil pollution simultaneously environment.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Mark among the figure: 1 is the valve body exhaust port, and 2 is valve body, and 3 is the spool exhaust port, and 4 is seal ring, 5 are the oil-collecting annular groove, and 6 is the connecting thread on the valve interior wall, and 7 is the backflow duct on the spool wall, and 8 is the connecting thread on the spool outer wall, 9 is spool, and 10 is the central duct of spool, and 11 is condensation chamber.

Embodiment

Now 1 pair of the utility model is further described in conjunction with the accompanying drawings:

Mist of oil condensation recovery type outlet valve, form by the spool 9 of brass making and the valve body 2 that is mated, axial centre at this spool 9 has the central duct 10 And of top closure to have on the side wall surface at this spool top around 6 uniform exhaust ports 3 of spool circumference symmetry, valve body 2 is combined into one by its wall screw thread (6,8) with spool 9; The cavity that is provided with between valve body 2 inwalls and spool 9 outer walls is a condensation chamber 11, and the bottom of condensation chamber 11 is an oil-collecting annular groove 5; Between the spool 9 middle part outer walls in valve body 2 lower inner wall and oil-collecting annular groove 5 outsides, be provided with the seal ring of making by nitrile rubber 4; On spool 9 walls, offer inboard central duct 10 and be communicated with, be 4 backflow ducts 7 that distribute symmetrically with outer oil collection annular groove 5 bottoms along this spool circumference; Lead to atmosphere on valve body 2 top sidewalls, offering outside the logical condensation chamber 11, be 6 exhaust ports 1 that distribute symmetrically along this valve body circumference.

During use, the vaporizer in the speed reducer is an oil vapor, carries out the condensation first time in the central duct 10 of spool 9, and the condensation lubricating fluid that is adsorbed on the central duct inwall returns speed reducer along wall; All the other uncooled oil vapors enter condensation chamber 11 through spool exhaust port 3 and carry out the condensation second time, and condensate converges arrives in the oil-collecting annular groove 5, and are back in the speed reducer through backflow duct 7; At this moment, content is very little to be discharged into oily vapour in the atmosphere through valve body exhaust port 1 again.Therefore, oil vapor in the speed reducer has significantly reduced the non-normal consumption of its lubricating fluid by the effect of this mist of oil condensation recovery type outlet valve, has reduced lubricant oil and attendant's user cost, improved the reliability of equipment operation, also significantly reduced oil pollution simultaneously environment.

Claims

1. mist of oil condensation recovery type outlet valve, spool (9) with top closure, sidewall has exhaust port (3), core has to be communicated with this exhaust port (3) central duct (10), it is characterized in that: the outer cover at this spool (9) sidewall is equipped with the sealed valve body (2) that matches with spool (9), the cavity that is provided with between this valve body (2) inwall and spool (9) outer wall is condensation chamber (11), and the bottom of condensation chamber (11) is oil-collecting annular groove (5); On spool (9) wall, offer the backflow duct (7) that inboard central duct (10) is communicated with outer oil collection annular groove (5) bottom; Open to atmosphere exhaust port (1) outside the logical condensation chamber (11) on the sidewall of valve body (2) top, offering.

2. according to the described mist of oil condensation of claim 1 recovery type outlet valve, it is characterized in that: between the outer wall of spool (9) middle part in valve body (2) lower inner wall and oil-collecting annular groove (5) outside, be provided with sealing (4).

3. according to claim 1 or 2 described mist of oil condensation recovery type outlet valves, it is characterized in that: the described backflow duct (7) that is communicated with oil-collecting annular groove (5) bottom that offer on spool (9) wall is a plurality of backflows duct that distributes symmetrically for the spool circumference along this spool bore road junction.

4. according to the described mist of oil condensation of claim 3 recovery type outlet valve, it is characterized in that: the described exhaust port of offering on the sidewall of valve body (2) top (1) is a plurality of exhaust ports that distribute symmetrically for the valve body circumference along this exhaust port.

5. according to the described mist of oil condensation of claim 1 recovery type outlet valve, it is characterized in that: described valve body (2) is to be combined into one by the screw thread on the inner wall surface thereof (6,8) with spool (9).