CN-122006916-A - Oil mist purifier with oil-gas separation function

CN122006916ACN 122006916 ACN122006916 ACN 122006916ACN-122006916-A

Abstract

The invention discloses an oil mist purifier with an oil-gas separation function, which is characterized in that a cyclone coarse separation mechanism, a centrifugal separation mechanism and an electrostatic capture mechanism are sequentially arranged in a shell along the moving direction of an air flow, the cyclone coarse separation mechanism comprises a first air inlet channel and a cyclone generator, a first oil collecting groove is arranged at the bottom of the first air inlet channel, and the cyclone generator is arranged in the first air inlet channel. The centrifugal separation mechanism comprises a rotary impeller and a second centrifugal chamber, the second centrifugal chamber is communicated with the first air inlet channel, the rotary impeller is arranged in the second centrifugal chamber in a pivotable manner, a second oil collecting groove is formed in the bottom of the second centrifugal chamber, the electrostatic capture mechanism comprises an anode power grid, a cathode electric rod, a third adsorption chamber and a fan, the third adsorption chamber is communicated with the second centrifugal chamber, the fan is arranged in the third adsorption chamber, the anode power grid is arranged on the inner wall of the third adsorption chamber, the cathode electric rod is arranged in the center of the third adsorption chamber, and a third oil collecting groove is formed in the bottom of the third adsorption chamber. The oil mist purifier with the oil-gas separation function has the advantages of small filtering load and less filter screen replacement.

Inventors

ZHAO XIAOJIA
ZHANG GANG
CHEN TUANJUN
LI JIANG
YANG TIANHANG
HE ZHEN
YANG HUAIRONG
ZENG YANGLIN
ZHANG SHUFA
LIU QIWEN
SUN YONGHAI
NIE ZHIXUE
WANG YUANHONG

Assignees

华能澜沧江水电股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260210

Claims (10)

1. An oil mist purifier with oil-gas separation function, characterized by comprising: The cyclone coarse separation mechanism comprises a first air inlet channel and a cyclone generator, wherein the bottom of the first air inlet channel is provided with a first oil collecting groove, the cyclone generator is arranged in the first air inlet channel, the centrifugal separation mechanism comprises a rotary impeller and a second centrifugal chamber, the second centrifugal chamber is communicated with the first air inlet channel, the rotary impeller is pivotably arranged in the second centrifugal chamber, the bottom of the second centrifugal chamber is provided with a second oil collecting groove, the electrostatic capture mechanism comprises an anode power grid, a cathode electric rod, a third adsorption chamber and a fan, the third adsorption chamber is communicated with the second centrifugal chamber, the fan is arranged in the third adsorption chamber, the anode power grid is arranged on the inner wall of the third adsorption chamber, the cathode electric rod is arranged in the center of the third adsorption chamber, and the bottom of the third adsorption chamber is provided with a third oil collecting groove.
2. The oil mist purifier with an oil-gas separation function according to claim 1, wherein the cross-sectional area of the first end of the first air inlet channel is larger than the cross-sectional area of the second end of the first air inlet channel, a plurality of mutually parallel diversion trenches are arranged on the inner wall of the first air inlet channel, and the diversion trenches are communicated with the first oil collecting tank.
3. The oil mist eliminator with an oil-gas separation function as set forth in claim 1, wherein the cyclone generator includes a spiral guide vane extending in an axial direction of the first intake passage, a pitch and a vane diameter of the spiral guide vane gradually decreasing in a direction of airflow, and a first driving member drivingly connected to the spiral guide vane.
4. The oil mist eliminator with oil-gas separation function as set forth in claim 1, wherein the rotary impeller includes a rotating frame, a plurality of blades and a second driving member, the plurality of blades being rotatable about an axis of the rotating frame as a rotation axis, the rotating frame being rotatable in a second centrifugal chamber about an airflow flowing direction as an axis, the second driving member being drivingly connected to the rotating frame. The blades deflect 15-45 degrees relative to the axis of the rotating frame.
5. The oil mist purifier with the oil-gas separation function according to claim 1, wherein the third adsorption chamber comprises an adsorption chamber and an exhaust chamber, the axial direction of the adsorption chamber is perpendicular to the axial direction of the exhaust chamber, the blower is arranged in the exhaust chamber, the adsorption chamber is internally provided with a wind baffle plate to divide the adsorption chamber into two sub-chambers, the inner walls of the two sub-chambers of the adsorption chamber are respectively provided with the anode power grid, and the two cathode electric rods are respectively arranged in the center of the two sub-chambers. The two sub-chambers are communicated with the exhaust chamber.
6. The oil mist eliminator with an oil-gas separation function as set forth in claim 1, wherein an inner wall surface of the second centrifugal chamber is coated with a superhydrophobic coating.
7. The oil mist purifier with an oil-gas separation function as recited in claim 1, further comprising a condensing mechanism, wherein the condensing mechanism comprises a condensing chamber and a plurality of refrigerating sheets, the condensing chamber is arranged between the air exhausting chamber and the adsorbing chamber and is respectively communicated with the air exhausting chamber and the adsorbing chamber, and the plurality of refrigerating sheets are arranged on the outer wall of the condensing chamber.
8. The oil mist eliminator with an oil-gas separation function as recited in claim 1, further comprising a second air intake passage disposed at an air intake end of the first air intake passage, a diameter of the second air intake passage being adjustable, a screen being provided between the second air intake passage and the first air intake passage.
9. The oil mist eliminator with oil-gas separation function as set forth in claim 8, wherein a deflector is provided in the second air intake passage, a spiral guide rib and a deflector hole are provided on an inner wall of the deflector, an axial direction of the deflector is coaxial with the first air intake passage, and a dirt collecting box is detachably disposed on a side wall of the deflector and communicates with the deflector through the deflector hole.
10. The oil mist purifier with the oil-gas separation function according to claim 1, wherein the first oil collecting groove, the second oil collecting groove and the third oil collecting groove are connected in series through a guide pipe, a one-way valve is arranged on the guide pipe, and the guide pipe is communicated with the oil collecting tank.

Description

Oil mist purifier with oil-gas separation function Technical Field The invention relates to the technical field of oil mist purification, in particular to an oil mist purifier with an oil-gas separation function. Background The oil mist purifier is environment-friendly equipment for collecting and purifying pollutants such as oil mist, oil smoke and dust generated in industrial production, is widely applied to industries such as machining (such as lathes, milling machines and grinding machines), metal die casting, heat treatment and the like, can improve the air quality of workshops, protect the health of workers and can avoid pollution of oil mist to equipment and the environment. At present, the oil mist purifier has single purification mode and does not have multi-level purification function, so that the load of a filtering part is higher, the frequency of replacing a filter screen is increased, and the use cost is increased intangibly Disclosure of Invention The present invention is based on the discovery and recognition by the inventors of the fact that a single mode of purifier purification results in a higher load on the filtering section. The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides the oil mist purifier with the oil-gas separation function, which has the advantages of small filtering load and less filter screen replacement. According to the oil mist purifier with the oil-gas separation function, a cyclone coarse separation mechanism, a centrifugal separation mechanism and an electrostatic capture mechanism are sequentially arranged in a shell along the moving direction of air flow, the cyclone coarse separation mechanism comprises a first air inlet channel and a cyclone generator, a first oil collecting groove is arranged at the bottom of the first air inlet channel, and the cyclone generator is arranged in the first air inlet channel. The centrifugal separation mechanism comprises a rotary impeller and a second centrifugal chamber, the second centrifugal chamber is communicated with the first air inlet channel, the rotary impeller is arranged in the second centrifugal chamber in a pivotable manner, a second oil collecting groove is formed in the bottom of the second centrifugal chamber, the electrostatic capture mechanism comprises an anode power grid, a cathode electric rod, a third adsorption chamber and a fan, the third adsorption chamber is communicated with the second centrifugal chamber, the fan is arranged in the third adsorption chamber, the anode power grid is arranged on the inner wall of the third adsorption chamber, the cathode electric rod is arranged in the center of the third adsorption chamber, and a third oil collecting groove is formed in the bottom of the third adsorption chamber. The oil mist purifier with the oil-gas separation function has the advantages of small filtering load and less filter screen replacement. The application has the advantages of improving the oil mist purifying efficiency, realizing the recycling of oil resources, reducing the filter screen replacement frequency, reducing the use cost, effectively improving the air quality of industrial workshops, protecting the health of workers and avoiding the pollution of oil mist to equipment and the environment. In some embodiments, the cross-sectional area of the first end of the first air inlet channel is greater than the cross-sectional area of the second end of the first air inlet channel, and a plurality of parallel diversion trenches are arranged on the inner wall of the first air inlet channel and are communicated with the first oil collecting tank. In some embodiments, the cyclone generator comprises a helical baffle extending in the axial direction of the first inlet passage, the pitch and vane diameter of the helical baffle decreasing in the direction of airflow, and a first driver in driving connection with the helical baffle. In some embodiments, the rotary impeller comprises a rotating frame, a plurality of blades and a second driving piece, wherein the blades take the axis of the rotating frame as a rotary shaft, the rotating frame can rotate in a second centrifugal cavity by taking the airflow flowing direction as an axis, and the second driving piece is in transmission connection with the rotating frame. The blades deflect 15-45 degrees relative to the axis of the rotating frame. In some embodiments, the third adsorption chamber comprises an adsorption chamber and an exhaust chamber, the axial direction of the adsorption chamber is perpendicular to the axial direction of the exhaust chamber, the fan is arranged in the exhaust chamber, the adsorption chamber is internally provided with a wind isolation plate to divide the adsorption chamber into two sub-chambers, the inner walls of the two sub-chambers of the adsorption chamber are respectively provided with the anode power grid, and t