CN201551940U

CN201551940U - Oil-mist separator

Info

Publication number: CN201551940U
Application number: CN200920316527XU
Authority: CN
Inventors: 徐文峰; 高亚锋
Original assignee: HANGZHOU FROMO ELECTROMECHANICAL TECHNOLOGY Co Ltd
Current assignee: HANGZHOU FROMO ELECTROMECHANICAL TECHNOLOGY Co Ltd
Priority date: 2009-12-04
Filing date: 2009-12-04
Publication date: 2010-08-18
Anticipated expiration: 2019-12-04

Abstract

The utility model discloses an oil-mist separator, which provides an oil-mist separator with simple structure, low cost, good separation effect and high recovery rate, thus being capable of reducing environmental pollution, being beneficial to environmental protection, simultaneously reducing oil consumption and saving cost; and the oil-mist separator solves the technical problems that the prior art has poor oil-mist separation effect, pollutes the surrounding environment, is not beneficial to environmental protection, increases oil consumption and improves the cost. The oil-mist separator comprises a whirlwind separator and a driving centrifugal separator which is connected on an exhaust port of the whirlwind separator in series; and the exhaust port of the whirlwind separator is connected with a terminal separating chamber by a filter screen.

Description

A kind of oil mist separator

Technical field

The utility model relates to a kind of device of machine oil in a kind of separation bubble, relates in particular to a kind of oil mist separator.

Background technology

During hydrogenerator work, the upper and lower fuel tank can constantly produce a large amount of mist of oils, has not only polluted surrounding environment, is unfavorable for environmental protection, and the machine oil atomizing causes the oil consumption increase of equipment, cost to improve.The existing oil mist separator that is used on the hydrogenerator generally is to be serially connected in secondary or three-stage filtration on the exhaust outlet by multistorey strainer mesh and cyclone; but because it mainly is to capture mist of oil by filter screen; along with the filter screen increase of service time; it captures the mist of oil ability drop; filter screen needs frequent cleaning and replacing thus; need frequent shutdown to remove and install thus; not only waste time and energy; and influence ordinary production; and owing to the machine oil major part that traps is bonded on the filter screen; the machine oil that is bonded in when cleaning or replacing filter screen on the filter screen often is difficult to reclaim or be difficult to reclaim fully, and the rate of recovery is low; the cost recovery height; cause energy waste.

Chinese patent: " compound oil content separation method and compound oil content separator (CN101549331A) " discloses a kind of oil mist separator, mainly form by active centrifugal and passive whirlwind separator, active centrifugal and passive whirlwind separator arranged in series, the active centrifugal separator is that one-level is separated, passive whirlwind separator is that secondary separates, the gas vent of active centrifugal separator communicates with the gas tangential entry of passive whirlwind separator by pipeline, pipe is inserted in the disengagement chamber center arrangement exhaust of passive cyclone type oil-gas separator, form passive whirlwind separator gas vent, the disengagement chamber lower end of passive cyclone type oil-gas separator is provided with the machine oil outlet with crankcase UNICOM.Though this device adopts the isolating construction of cyclone and whirlwind separator two-stage tandem, and is simple in structure, increased the machine oil rate of recovery, because being secondary, this structure separates, also contain a large amount of mist of oils, inferior separating effect in the gas after the separation.

Summary of the invention

The utility model mainly provided a kind of simple in structure, cost is low, good separating effect, rate of recovery height, thereby can reduce environmental pollution, be beneficial to environmental protection, reduce simultaneously the oil mist separator of oil consumption, saving cost again, solved the mist of oil inferior separating effect that exists in the prior art, pollute surrounding environment, be unfavorable for environmental protection, and the technical problem that improves of oil consumption increase, cost.

Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of oil mist separator, comprise whirlwind separator and the active centrifugal separator that is serially connected on the whirlwind separator exhaust outlet, the exhaust outlet of described active centrifugal separator links to each other with the terminal separation chamber by filter screen.By the level Four isolating construction that whirlwind separator, active centrifugal separator, filter screen and terminal separation chamber serial connection form, guarantee good separating effect, thereby reduced the mist of oil discharging, reduce oil consumption simultaneously again, save cost; By with whirlwind separator as primary separator, can the mist of oil overwhelming majority in the discharging effectively be separated by whirlwind separator, reduce the separating pressure behind secondary and the secondary, thereby when improving the rate of recovery, prolong the service life of filter screen, reduced cost.

As preferably, described whirlwind separator comprises the columnar inner barrel of both ends open and the columnar outer cylinder body that coaxial cover covers on its end, be provided with the air inlet with inner barrel one end conducting on the outer circular edge face of described outer cylinder body, the other end of described inner barrel extends in the air inlet of active centrifugal separator and links to each other with the active centrifugal separator.Columnar structured simple, compact.

As more preferably, coaxially in the outside of described outer cylinder body be covered with columnar housing, end towards the active centrifugal separator on the described housing is connected on the corresponding outer cylinder body end extended surface, and the other end of described housing is provided with the air guide hole of conducting in air inlet.By in the conducting of outer cylinder body arranged outside in the housing of air inlet, increased mobile distance and the collision contact area of mist of oil in device, the raising separating effect.

As preferably, described active centrifugal separator comprises motor and the coaxial cylindrical shell that has oil exit pipe on the motor output shaft that covers at, motor output shaft axle head in the corresponding cylindrical shell is provided with blade, cylindrical shell one end corresponding with motor is provided with exhaust outlet, the cylindrical shell other end corresponding with motor is provided with air inlet, and described oil exit pipe is located at the bottom of cylindrical shell downwards.The driven by motor blade rotates in cylindrical shell, enters the mist of oil of cylindrical shell and blade collision back is assembled from air inlet, and in action of centrifugal force down to cylinder inboard wall, derive simple in structure, good separating effect at last from oil exit pipe along cylinder inboard wall.

As more preferably, described cylindrical shell comprises columnar shell body and coaxially is located in the shell body and covers at the outer columnar filter cloth of blade.By columnar filter cloth is set in columnar shell body, but the droplet in the captured gas improves separating effect.

As more preferably, described exhaust outlet is the annular opening that coaxial rings is located at the motor output shaft outside, is covered with filter screen on described annular opening.By be covered with filter screen on the annular row gas port, the droplet in the captured gas further improves separating effect.

As more preferably, be provided with oil sump tank corresponding to the below of described oil exit pipe, be provided with outage in the lower end of described oil sump tank.By oil sump tank, the environmental pollution that can avoid machine oil to cause, the unified collection again of being convenient to machine oil again utilized, and saves cost.

As preferably, described terminal separation chamber comprises inner tube wall and the coaxial outer tube wall that is located at the inner tube wall outside, looping cavity between described inner tube wall and the outer tube wall, on a side end face of described toroidal cavity, be provided with and the ringwise import of opening corresponding, on the other end outer tube wall of described toroidal cavity, upwards be provided with the outlet that communicates with atmosphere with exhaust outlet.The terminal separation chamber has increased mobile distance and the collision contact area of mist of oil in device by the toroidal cavity structure that inner tube wall and outer tube wall constitute, and improves separating effect.

As more preferably, in described outlet, be covered with the terminal filter screen.Droplet by in the terminal filter screen captured gas further improves separating effect.

As more preferably, be provided with the terminal oil exit pipe in the bottom of described terminal separation chamber.The machine oil of collecting in the terminal separation chamber in time can be discharged by the terminal oil exit pipe.

Therefore, a kind of oil mist separator of the present utility model has following advantage:

1, elementary cyclonic filter device can filter the above particulate of 5 μ m, and filter efficiency reaches more than 90%; 2, centrifugal filtration design, cascade filtration cloth is oil-containing not, can use for a long time; 3, behind the multistage filtering, final filter efficiency height reaches more than 99%; 4, volume is small and exquisite, in light weight, and mounting arrangements is convenient, energy savings; 5, by oil sump tank, the environmental pollution that can avoid machine oil to cause, the unified collection again of being convenient to machine oil again utilized, and saves cost.

Description of drawings:

Fig. 1 is the structural representation of a kind of oil mist separator of the utility model.

Fig. 2 is an axial cutaway view shown in Figure 1.

The concrete thing mode of implementing:

Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.

The specific embodiment:

As shown in Figure 1, a kind of oil mist separator of the present utility model comprises whirlwind separator 1, active centrifugal separator 2 and terminal separation chamber 4 that serial connection links to each other, between the interface of active centrifugal separator 2 and terminal separation chamber 4 filter screen 3 is housed.

Whirlwind separator 1 comprises that the columnar inner barrel 14 of both ends open and coaxial cover cover on the columnar outer cylinder body 13 on the inner barrel 14 1 side opening ends, looping cavity between inner barrel 14 and the outer cylinder body 13, on the outer circular edge face of outer cylinder body 13, have an air inlet 131, air inlet 131 is conducted with inner barrel 14 openends that are positioned at outer cylinder body 13, being positioned at the air inlet 24 that the outer inner barrel 14 opposite side openends of outer cylinder body 13 extend on the active centrifugal separator 2 is connected with active centrifugal separator 2, at the columnar housing 15 in the outside and outer cylinder body 13 coaxial shrouds of outer cylinder body 13, looping cavity between outer cylinder body 13 and the housing 15, end towards active centrifugal separator 2 on the housing 15 is welded on the corresponding outer cylinder body 13 end extended surfaces, have the air guide hole 151 that is connected with the mist of oil floss hole on the other end end face of housing 15, air guide hole 151 is conducted with air inlet 131.

Active centrifugal separator 2 comprises motor 21 and the coaxial cylindrical shell that has oil exit pipe 26 22 that covers on motor 21 output shafts, cylindrical shell 22 comprises columnar shell body 221 and the coaxial columnar filter cloth 222 that is located in the shell body 221, axle head in filter cloth 222 is equipped with blade 23, filter cloth 222 is located at outside the blade 23, an end of corresponding motor 21 and the motor 21 coaxial exhaust outlets 25 that have annular on the shell body 221, on exhaust outlet 25, be covered with filter screen 3, have air inlet 24 with whirlwind separator 1 conducting at the other end of shell body 221, oil exit pipe 26 is connected the bottom of shell body 221 downwards.

Terminal separation chamber 4 comprises inner tube wall 41 and the coaxial outer tube wall 42 that is located at inner tube wall 41 outsides, looping cavity between inner tube wall 41 and the outer tube wall 42, on a side end face of toroidal cavity, be provided with and exhaust outlet 25 imports 43 corresponding and opening ringwise, on the other end outer tube wall 42 of toroidal cavity, upwards be provided with the outlet 44 that communicates with atmosphere, in outlet 44, be covered with terminal filter screen 6, as shown in Figure 2, be provided with the terminal oil exit pipe 45 that is communicated in toroidal cavity in the bottom of outer tube wall 42, terminal oil exit pipe 45 and oil exit pipe 26 are plugged in the oil sump tank 5 that is fixed in outer tube wall 42 and shell body 221 belows, are provided with outage 51 in the lower end of oil sump tank 5.

Specific embodiment described herein only is that design of the present utility model is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims

1. oil mist separator, it is characterized in that: comprise whirlwind separator (1) and be serially connected in active centrifugal separator (2) on whirlwind separator (1) exhaust outlet (12) that the exhaust outlet (25) of described active centrifugal separator (2) is connected in series with terminal separation chamber (4) by filter screen (3) and links to each other.

2. a kind of oil mist separator according to claim 1, it is characterized in that: described whirlwind separator (1) comprises the columnar inner barrel (14) of both ends open and the columnar outer cylinder body (13) that coaxial cover covers on its end, be provided with the air inlet (131) with inner barrel (14) one end conductings on the outer circular edge face of described outer cylinder body (13), the other end of described inner barrel (14) extends in the air inlet (24) of active centrifugal separator (2) and links to each other with active centrifugal separator (2).

3. a kind of oil mist separator according to claim 2, it is characterized in that: the coaxial columnar housing (15) that is covered with in the outside of described outer cylinder body (13), the end that described housing (15) is gone up towards active centrifugal separator (2) is connected on corresponding outer cylinder body (13) the end extended surface, and the other end of described housing (15) is provided with the air guide hole (151) of conducting in air inlet (131).

4. according to claim 1 or 2 or 3 described a kind of oil mist separators, it is characterized in that: described active centrifugal separator (2) comprises motor (21) and the coaxial cylindrical shell (22) that has oil exit pipe (26) on motor (21) output shaft that covers at, motor (21) output shaft axle head in the corresponding cylindrical shell (22) is provided with blade (23), cylindrical shell (22) one ends corresponding with motor (21) are provided with exhaust outlet (25), cylindrical shell (22) other end corresponding with motor (21) is provided with air inlet (24), and described oil exit pipe (26) is located at the bottom of cylindrical shell (22) downwards.

5. a kind of oil mist separator according to claim 4 is characterized in that: described cylindrical shell (22) comprises columnar shell body (221) and coaxially is located in the shell body (221) and covers at the outer columnar filter cloth (222) of blade (23).

6. a kind of oil mist separator according to claim 4 is characterized in that: described exhaust outlet (25) is located at the annular opening in motor (21) the output shaft outside for coaxial rings, is covered with filter screen (3) on described annular opening.

7. a kind of oil mist separator according to claim 4 is characterized in that: the below corresponding to described oil exit pipe (26) is provided with oil sump tank (5), is provided with outage (51) in the lower end of described oil sump tank (5).

8. a kind of oil mist separator according to claim 1, it is characterized in that: described terminal separation chamber (4) comprises inner tube wall (41) and the coaxial outer tube wall (42) that is located at inner tube wall (41) outside, looping cavity between described inner tube wall (41) and the outer tube wall (42), on a side end face of described toroidal cavity, be provided with corresponding and opening ringwise import with exhaust outlet (25) (43), on the other end outer tube wall (42) of described toroidal cavity, upwards be provided with the outlet (44) that communicates with atmosphere.

9. a kind of oil mist separator according to claim 8 is characterized in that: be covered with terminal filter screen (6) in described outlet (44).

10. a kind of oil mist separator according to claim 9 is characterized in that: be provided with terminal oil exit pipe (45) in the bottom of described terminal separation chamber (4).