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CN107433076A - Mist filtration machine and mist filtration method - Google Patents

Mist filtration machine and mist filtration method Download PDF

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Publication number
CN107433076A
CN107433076A CN201610362600.1A CN201610362600A CN107433076A CN 107433076 A CN107433076 A CN 107433076A CN 201610362600 A CN201610362600 A CN 201610362600A CN 107433076 A CN107433076 A CN 107433076A
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CN
China
Prior art keywords
oil
mist
housing
group
exhaust fan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610362600.1A
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Chinese (zh)
Inventor
赵建兴
赵建丰
赵建东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GAOCHUANGNENG SCIENTECH CORP
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GAOCHUANGNENG SCIENTECH CORP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GAOCHUANGNENG SCIENTECH CORP filed Critical GAOCHUANGNENG SCIENTECH CORP
Priority to CN201610362600.1A priority Critical patent/CN107433076A/en
Publication of CN107433076A publication Critical patent/CN107433076A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D45/00Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/14Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a kind of mist filtration machine and mist filtration method, it mainly makes first respectively, the first of two filtering groups, two exhaust fans rotate and pump mist of oil, so that the oil content in mist of oil to be separated using multiple centrifugal force whipping effect with air, the oil content isolated is allowed separately to collect, the clean air of oil content is filtered out then to discharge, so that not only it is not required to carry out filter material cleaning replacing, using upper more simple and convenient, and multiple centrifugal force whipping really can more filter out oil content, reach more preferably oil content and filter out effect, integrally implemented at it and more increase practical effect characteristic using upper.

Description

Mist filtration machine and mist filtration method
Technical field
The present invention relates to a kind of mist filtration machine, and the invention further relates to a kind of mist filtration method.
Background technology
In many machining equipments, for that can have appropriate lubrication in process and effectively reduce processing operation institute Caused high temperature so that generally all can have lubricating oil in the machining machine and tool internal spray use, in favor of processing the progress of operation; But spray the lubricating oil used inside the machining machine and tool, it will usually distribute as lasting sprinkling uses and fly at air In, serious pollution is not only easily produced to context, and can be more inhaled into the breathing of staff in human body, and to work The health for making personnel causes to seriously endanger.
Therefore, have at present and be equiped with oil mist filter on machining equipment, to utilize the oil mist filter will Caused mist of oil suction is filtered in processing operation process, and the lubricating oil in air is filtered out, and is discharged dry after filtering Net air, to avoid mist of oil to the environment produced pollution, while mist of oil health hazard to caused by human body can be prevented.
Wherein, for general common oil mist filter, refer to and announce the on June 21st, 2005 No. M268101 " oil mist filter ", includes:One support, has a staving, and rear side is provided with an opening, the opening Envelope is provided with the bung of a tool air outlet, and staving front side wall has then provided one at top and has been available for extraneous mist of oil gas to enter Air intake vent, and appropriate place is equiped with a fan housing inside the staving, can set envelope inside staving before separating out one after air chamber and one Air chamber, air intake vent is set to be communicated in preceding air chamber, another fan housing has been internally formed a room and has been connected with preceding air chamber, the room periphery wall edge Appropriate place is further provided with the rear gas chamber that an export mouth is communicated in staving inner side, and the bottom wall edge of the relatively forward and backward air chamber of the staving is appropriate Place has respectively provided a flow-guiding mouth, can guide discharge oil stain person respectively;One turbine flabellum, it is contained in the wind of support staving inside In cover room, the mist of oil gas in preceding air chamber can be sucked, then be discharged into by the export mouth of fan housing in rear gas chamber;One motor, installation Position on rear side of fan housing is fixed on, and by the turbine flabellum of a visibly moved interior of output shaft rotating band;One filtering element (cartridge), installation are positioned at machine Seat staving is internally located in the rear gas chamber between fan housing and bung, can be discharged into the lubricator body of rear gas chamber containing micro oil stain with The filterings such as impurity dust form cleaned air, then are discharged by the air outlet through bung inside filtering element (cartridge).
However, above-mentioned " oil mist filter " also makes though can reach expection effect of oil-mist filtering in its actual embodiment With discovery, the structure setting has the filtering that filtering element (cartridge) carries out oil stain and impurity so that needs periodically to clean, more the filtering element (cartridge) Change, otherwise can cause the obstruction of the filtering element (cartridge), and then cause to influence it to cross the efficiency of oil-mist filtering, in integrated operation using above seeming Pole does not have convenience, makes it still suffer from room for improvement in overall construction design.
Separately referring again to being announced January 1 day in 2012 No. M419609 " mist of oil recycling machine ", its structure, which comprises at least, to be had: One ladle body, ladle body rear side locking have motor, an accommodation space are provided with ladle body, accommodation space upper limb, provided with collection oil sheet, bottom side is set There is oil-out, the top side of ladle body is connected to accommodation space provided with air outlet, and the bottom side of ladle body is provided with fixed seat, and fixed seat both sides are set There is adjusting hole;One motor, is locked on rear side of ladle body, and the transmission spindle of motor is arranged at accommodation space back center;One filtering Bucket, in accommodation space, it is provided with filter opening ladle body ring week, appropriate place is provided with plural oil strain piece in bucket, is provided with and passes at back center Dynamic hole;One combines lid, provided with plural locking hole;One bung, air inlet is provided with center, periphery is provided with plurality of through holes, utilizes Screw can be combined through perforation by bung, with reference to lid with ladle body, that is, complete a kind of mist of oil recycling machine.
However, above-mentioned " mist of oil recycling machine " equally makes though can reach expection effect of oil-mist filtering in its actual embodiment With discovery, the structure is also provided with filter vat and in setting plural oil strain piece to carry out mist filtration in filter vat, causes its same Sample needs periodically clean the filter vat and oil strain piece, change, and same integrated operation does not have convenience using the pole that above seems, order It there are the space of improvement in overall construction design.
The content of the invention
Present invention is primarily aimed at provide a kind of mist filtration machine and mist filtration method so that is not only not required to be filtered Material cleaning is changed, and is being used upper more simple and convenient, really can more filtered out oil content, reach more preferably oil content and filter out effect, Integrally implemented at it and more increase practical effect characteristic using upper.
In order to solve the above technical problems, the invention provides a kind of mist filtration machine, include housing, the first filtering group And the second filtering group;Wherein:
The housing, its one end opens up then offers gas outlet formed with air intake, the other end, and in the enclosure interior Provided with dividing plate so that the enclosure interior is by the baffle region every and in the side of the corresponding air intake formed with accommodating sky Between and in the side of the corresponding gas outlet formed with airflow space, separately led in the housing bottom formed with skewed first Stream portion, the first conduction hole is offered in the minimum point of first diversion division;
The first filtering group, it is arranged in the accommodation space of the housing, is provided with the first filtering group Oil collection barrel, oil collection barrel side bias are opened up formed with entering air pipe, it is described enter air pipe and the housing it is described enter gas Mouth is connected conducting, and offers perforate in the oil-collecting bottom of the barrel, and in the oil collection barrel formed with being evacuated runner, and correspondingly The pumping each runner group is equipped with the first exhaust fan;
The second filtering group, it is communicated with auxiliary oil-collecting space in the gas outlet of the housing, in the auxiliary Oil-collecting space corresponds to the gas outlet and is provided with the second exhaust fan, and in the auxiliary oil-collecting space bottom formed with skewed the Two diversion divisions, the second conduction hole is offered in the minimum point of second diversion division, and in auxiliary oil-collecting space opens outward Provided with exhaust outlet.
Preferably, mist filtration machine of the invention, the oil collection barrel upper end outer rim projection formed with group connecting part supply with it is described Housing carries out group and connects positioning.
Further, mist filtration machine of the invention, the group connecting part offer multiple slotted eyes, separately in the oil collection barrel End is provided with lid, and the pumping runner extends projection into the oil collection barrel from the lid and formed, described in the lid correspondence Each slotted eye of group connecting part opens up then is arranged at the lid upper end formed with the slotted eye being engaged, first exhaust fan.
Further, mist filtration machine of the invention, the lid upper end are covered with group seat-joined, first exhaust fan Corresponded in the group seat-joined at the pumping runner.
Further, mist filtration machine of the invention, the group seat-joined are bent to the airflow space of the housing Extension is convexly equipped with baffle plate, and tilts extension formed with deflector to the airflow space in the dividing plate bottom of the housing.
Preferably, mist filtration machine of the invention, the second filtering group are provided with the sub-shell being connected with the housing, The gas outlet that the sub-shell corresponds to the housing offers the connected entrance being connected, and the auxiliary oil-collecting space is formed at In the sub-shell.
The invention also discloses a kind of mist filtration method, the first exhaust fan of the first filtering group, which rotates, pumps mist of oil, will Oil content in mist of oil is acted on using centrifugal force whipping to be separated with air, allows the oil content isolated separately to collect, after separating for the first time Gas then discharge to the second filtering group;Second exhaust fan of the second filtering group rotates and pumps mist of oil, by mist of oil Oil content reuse the effect of centrifugal force whipping and separated with air, allow the oil content isolated separately to collect, filtered after second separation Except the clean air of oil content then discharges.
Preferably, mist filtration method of the invention, the first filtering group are arranged in the accommodation space of housing, and it has There is oil collection barrel, first exhaust fan is arranged at the upper end of oil collection barrel upper end lid;The second filtering group is provided with and institute The sub-shell that housing is connected is stated, the gas outlet that the sub-shell corresponds to the housing offers the connected entrance being connected.
The cleaning that the mist filtration machine of the present invention is not only not required to carry out filter material is changed, and is using upper more simple and convenient, and Multiple centrifugal force whipping really can more filter out oil content, reach more preferably oil content and filter out effect, and integrally execution makes at it Use more increasing practical effect characteristic.
Brief description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the dimensional decomposition structure diagram of the present invention;
Fig. 2 is the three-dimensional schematic diagram of the present invention;
Fig. 3 is the combination cross section structure diagram of the present invention;
Fig. 4 is the first filtering group three-dimensional schematic diagram of the present invention;
Fig. 5 is the first filtering group partial enlargement cross section structure diagram of the present invention;
Fig. 6 is the three-dimensional combination cross section structure diagram of the second filtering group of the present invention;
The use state mist of oil that Fig. 7 is the present invention flows to schematic diagram.
Reference in figure is:1st, housing;11st, air intake;111st, tracheae body is entered;12nd, gas outlet;13rd, dividing plate;131、 Deflector;14th, accommodation space;15th, airflow space;16th, the first diversion division;161st, the first conduction hole;2nd, the first filtering group;21、 Oil collection barrel;211st, air pipe is entered;212nd, perforate;213rd, group connecting part;214th, slotted eye;22nd, lid;221st, it is evacuated runner;222nd, groove Hole;23rd, group seat-joined;231st, baffle plate;24th, the first exhaust fan;3rd, the second filtering group;31st, sub-shell;311st, connected entrance;312nd, it is auxiliary Help oil-collecting space;313rd, the second diversion division;314th, the second conduction hole;315th, exhaust outlet;32nd, the second exhaust fan.
Embodiment
First, the three-dimensional signal of the dimensional decomposition structure diagram, Fig. 2 present invention of Fig. 1 present invention is referred to Figure and Fig. 3 the present invention combination cross section structure diagram shown in, the invention mainly comprises have housing (1), the first filtering group (2) and Second filtering group (3);Wherein:The housing (1), its one end are opened up formed with air intake (11), connect in air intake (11) for group Have into tracheae body (111), gas outlet (12) is then offered in housing (1) other end, and dividing plate is provided with inside housing (1) (13) so that separated inside housing (1) by dividing plate (13), and in the side of corresponding air intake (11) formed with accommodation space (14) And in the side of corresponding gas outlet (12) formed with airflow space (15), separately in housing (1) bottom formed with skewed first Diversion division (16), the first conduction hole (161) is then offered in the first diversion division (16) minimum point, and in dividing plate (13) bottom to gas Fluid space (15) tilts extension formed with deflector (131).
First filtering group (2), please again in the lump refering to the first filtering group three-dimensional schematic diagram institute of Fig. 4 present invention Show, it is arranged in the accommodation space of housing (1) (14), and oil collection barrel (21), oil collection barrel (21) one are provided with the first filtering group (2) The lateral deviation heart, which opens up, formed with air pipe (211) is entered, to be entered air pipe (211) and is connected with the air intake (11) of housing (1) conducting, Oil collection barrel (21) bottom offers perforate (212), and oil collection barrel (21) upper end outer rim projection formed with group connecting part (213) for Housing (1) carries out group and connects positioning, and several slotted eyes (214) can be then offered in group connecting part (213), is separately provided with oil collection barrel (21) upper end Lid (22), lid (22) extension projection into the oil collection barrel (21) correspond to formed with pumping runner (221), and in lid (22) Respectively slotted eye (214) of group connecting part (213) is also opened up formed with the slotted eye (222) being engaged [please again in the lump refering to Fig. 5 present invention The first filtering group partial enlargement cross section structure diagram shown in], and group seat-joined (23) is covered with lid (22) upper end, in group In joint chair (23) to should extraction flow road (221) group be equipped with the first exhaust fan (24), make gas of the group seat-joined (23) to housing (1) Fluid space (15) bending extension is convexly equipped with baffle plate (231).
Second filtering group (3), please again in the lump refering to the three-dimensional combination cross section structure diagram of the second filtering group of Fig. 6 present invention Shown, it is provided with the sub-shell (31) being connected with housing (1), and the gas outlet (12) of sub-shell (31) corresponding housing (1) opens up There is the connected entrance (311) being connected, formed with auxiliary oil-collecting space (312) in sub-shell (31), in auxiliary oil-collecting space (312) corresponding connected entrance (311) and gas outlet (12) is provided with the second exhaust fan (32), separately in auxiliary oil-collecting space (312) bottom Formed with skewed the second diversion division (313), the second conduction hole is then offered in the minimum point of the second diversion division (313) (314), and in auxiliary oil-collecting space (312) opens outward it is provided with exhaust outlet (315).
Consequently, it is possible to please be flowed in the lump refering to the use state mist of oil of Fig. 7 present invention shown in schematic diagram again, mist of oil is made by shell The air intake (11) of body (1) enters tracheae body (111) importing, and makes the first exhaust fan (24) and second of the first filtering group (2) The second exhaust fan (32) of filtering group (3) operates simultaneously, and the mist of oil that now air intake (11) enters can be by the oil collection barrel (21) Enter air pipe (211) to be inhaled into, oil collection barrel (21) side is opened in due to entering air pipe (211) bias so that mist of oil can be Rotate and entered back into pumping runner (221) in oil collection barrel (21), and during mist of oil can rotate in oil collection barrel (21), in mist of oil Oil content can be thrown out of by centrifugal action and be attached to oil collection barrel (21) inwall, then because Action of Gravity Field is down by oil collection barrel (21) bottom Portion's perforate (212) is dripped in housing (1) the first diversion division of bottom (16), and the first drainage opened up by the first diversion division (16) Hole (161) is exported collection, and enter mist of oil in pumping runner (221) then can enter housing by the first exhaust fan (24) extraction (1) airflow space (15), mist of oil are extracted out simultaneously by the first exhaust fan (24), and the oil content in mist of oil also can be attached to group because of whipping Joint chair (23) inwall and baffle plate (231) place, being attached to group seat-joined (23) inwall oil content can be because Action of Gravity Field be down by lid (22) Dripped with group connecting part (213) each slotted eye (222), (214) in first diversion division (16) of housing (1) bottom, and by the first water conservancy diversion The first conduction hole (161) that portion (16) is opened up is exported collection, and be attached to baffle plate (231) oil content then equally can be because gravity be made With down dripping, and the deflector (131) along housing (1) dividing plate (13) bottom is flowed into the first diversion division (16), and by the One diversion division (16) opens up the first conduction hole (161) and is exported collection, and the mist of oil for entering airflow space (15) then can be by shell Body (1) gas outlet (12) by the second filtering group (3) the second exhaust fan (32) be pumped into auxiliary oil-collecting space (312) in, mist of oil by Second exhaust fan (32) is pumped into auxiliary oil-collecting space (312) simultaneously, and remaining oil content can be equally attached to auxiliary because of whipping in mist of oil Oil-collecting space (312) inwall is helped, and second diversion division of auxiliary oil-collecting space (312) bottom is fallen within because Action of Gravity Field drips (313) the second conduction hole (314), and by the second diversion division (313) opened up is exported collection, and now the oil content in mist of oil is all It has been be removed that, and pure air can be made to be discharged by the exhaust outlet (315) in auxiliary oil-collecting space (312), reached oil strain The purpose of oil content in mist.
The mist filtration method of the present invention, rotated using the first exhaust fan (24) of the first filtering group (2) and pump mist of oil, will Oil content in mist of oil is acted on using centrifugal force whipping to be separated with air, allows the oil content isolated separately to collect, after separating for the first time Gas then discharge to the second filtering group (3);The second exhaust fan (32) of the second filtering group (3) rotates and pumps oil Mist, the oil content in mist of oil is reused into the effect of centrifugal force whipping and separated with air, allows the oil content isolated separately to collect, second The clean air of oil content is filtered out after secondary separation then to discharge.
By described above, composition of the invention is implemented knowable to explanation with using, and the present invention and existing structure are in comparison, main To make first and second exhaust fan of first and second filtering group rotate respectively and pump mist of oil, by the oil content in mist of oil using it is multiple from The effect of mental and physical efforts whipping separates with air, allows the oil content isolated separately to collect, and filters out the clean air of oil content and then discharges, makes Obtain the cleaning for being not only not required to carry out filter material to change, make it use upper more simple and convenient, and multiple centrifugal force whipping more can Certain filters out oil content, reaches more preferably oil content and filters out effect, and is integrally implemented at it and more increase practical effect characteristic using upper.

Claims (8)

1. a kind of mist filtration machine, it is characterised in that include housing, the first filtering group and the second filtering group;Wherein:
The housing, its one end opens up then offers gas outlet formed with air intake, the other end, and is provided with the enclosure interior Dividing plate so that the enclosure interior by the baffle region every, and the side of the corresponding air intake formed with accommodation space and In the side of the corresponding gas outlet formed with airflow space, separately in the housing bottom formed with the first skewed water conservancy diversion Portion, the first conduction hole is offered in the minimum point of first diversion division;
The first filtering group, it is arranged in the accommodation space of the housing, and oil-collecting is provided with the first filtering group Bucket, oil collection barrel side bias are opened up formed with entering air pipe, it is described enter air pipe and the housing the air intake phase Connection conducting, and perforate is offered in the oil-collecting bottom of the barrel, and in the oil collection barrel formed with pumping runner, and described in correspondence Pumping each runner group is equipped with the first exhaust fan;
The second filtering group, it is communicated with auxiliary oil-collecting space in the gas outlet of the housing, in the auxiliary oil-collecting Space corresponds to the gas outlet and is provided with the second exhaust fan, and is led in the auxiliary oil-collecting space bottom formed with skewed second Stream portion, the second conduction hole is offered in the minimum point of second diversion division, and be provided with auxiliary oil-collecting space opens outward Exhaust outlet.
2. mist filtration machine as claimed in claim 1, it is characterised in that the oil collection barrel upper end outer rim projection connects formed with group Portion connects positioning for carrying out group with the housing.
3. mist filtration machine as claimed in claim 2, it is characterised in that the group connecting part offers multiple slotted eyes, separately in institute State oil collection barrel upper end and be provided with lid, the pumping runner extends projection into the oil collection barrel from the lid and formed, the lid Each slotted eye that body corresponds to the group connecting part is opened up formed with the slotted eye being engaged, and first exhaust fan is then arranged at described Lid upper end.
4. mist filtration machine as claimed in claim 3, it is characterised in that the lid upper end is covered with group seat-joined, and described One exhaust fan is corresponded in the group seat-joined at the pumping runner.
5. mist filtration machine as claimed in claim 4, it is characterised in that the air-flow of the group seat-joined to the housing is empty Between bending extension be convexly equipped with baffle plate, and tilt extension formed with leading to the airflow space in the dividing plate bottom of the housing Flowing plate.
6. mist filtration machine as claimed in claim 1, it is characterised in that the second filtering group is provided with to be connected with the housing The sub-shell connect, the gas outlet that the sub-shell corresponds to the housing offer the connected entrance being connected, the supplementary set Oily space is formed in the sub-shell.
A kind of 7. mist filtration method, it is characterised in that the first exhaust fan of the first filtering group rotates and pumps mist of oil, by mist of oil Oil content acted on using centrifugal force whipping and separating with air, allow the oil content isolated separately to collect, for the first time the gas after separation Then discharge to the second filtering group;Second exhaust fan of the second filtering group rotates and pumps mist of oil, by the oil content in mist of oil Reuse the effect of centrifugal force whipping to separate with air, allow the oil content isolated separately to collect, oil content is filtered out after second of separation Clean air then discharges.
8. mist filtration method as claimed in claim 7, it is characterised in that the first filtering group is arranged at the accommodating of housing In space, it has oil collection barrel, and first exhaust fan is arranged at the upper end of oil collection barrel upper end lid;Second filtering Group is provided with the sub-shell being connected with the housing, and the gas outlet that the sub-shell corresponds to the housing offers the company being connected Port.
CN201610362600.1A 2016-05-27 2016-05-27 Mist filtration machine and mist filtration method Pending CN107433076A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610362600.1A CN107433076A (en) 2016-05-27 2016-05-27 Mist filtration machine and mist filtration method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610362600.1A CN107433076A (en) 2016-05-27 2016-05-27 Mist filtration machine and mist filtration method

Publications (1)

Publication Number Publication Date
CN107433076A true CN107433076A (en) 2017-12-05

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Application Number Title Priority Date Filing Date
CN201610362600.1A Pending CN107433076A (en) 2016-05-27 2016-05-27 Mist filtration machine and mist filtration method

Country Status (1)

Country Link
CN (1) CN107433076A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040134351A1 (en) * 2002-12-23 2004-07-15 Rosen Eric B. Emission control device and method of operation thereof
US20100206166A1 (en) * 2007-10-15 2010-08-19 Tuomas Goeran Device and method for separating particles out from a fluid
CN201652562U (en) * 2010-05-14 2010-11-24 柯兰溪 Oil-gas separation exhaust machine
CN202237581U (en) * 2011-07-20 2012-05-30 陈国剑 Air cleaning device
CN104121615A (en) * 2014-07-31 2014-10-29 章志军 Air purification functional box
CN203964103U (en) * 2014-07-31 2014-11-26 章志军 Air-cleaning function case
CN204532968U (en) * 2015-04-17 2015-08-05 许廷杨 A kind of recovery lampblack fan with high-efficient purification function
CN205166526U (en) * 2015-06-18 2016-04-20 稳汉企业有限公司 Oil mist recovery machine
CN205627350U (en) * 2016-05-27 2016-10-12 丰生微电机(上海)有限公司 Oil mist filter machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040134351A1 (en) * 2002-12-23 2004-07-15 Rosen Eric B. Emission control device and method of operation thereof
US20100206166A1 (en) * 2007-10-15 2010-08-19 Tuomas Goeran Device and method for separating particles out from a fluid
CN201652562U (en) * 2010-05-14 2010-11-24 柯兰溪 Oil-gas separation exhaust machine
CN202237581U (en) * 2011-07-20 2012-05-30 陈国剑 Air cleaning device
CN104121615A (en) * 2014-07-31 2014-10-29 章志军 Air purification functional box
CN203964103U (en) * 2014-07-31 2014-11-26 章志军 Air-cleaning function case
CN204532968U (en) * 2015-04-17 2015-08-05 许廷杨 A kind of recovery lampblack fan with high-efficient purification function
CN205166526U (en) * 2015-06-18 2016-04-20 稳汉企业有限公司 Oil mist recovery machine
CN205627350U (en) * 2016-05-27 2016-10-12 丰生微电机(上海)有限公司 Oil mist filter machine

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Application publication date: 20171205