CN216171057U

CN216171057U - Oil mist recovery device with multiple filtration

Info

Publication number: CN216171057U
Application number: CN202122682130.6U
Authority: CN
Inventors: 王默清
Original assignee: Keris Jiangmen Intelligent Manufacturing Co ltd
Current assignee: Keris Jiangmen Intelligent Manufacturing Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-05
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses an oil mist recovery device with multiple filtration, wherein an air inlet pipe is arranged on the side surface of a shell, an air outlet is arranged on the top surface of the shell, a first partition plate is arranged in the shell, the inner cavity of the shell is divided into a front air cavity and a rear air cavity by the first partition plate, the front air cavity is communicated with the air inlet pipe, the rear air cavity is communicated with the air outlet, an air suction opening is formed in the first partition plate and is communicated with the front air cavity and the rear air cavity, and a fan is arranged in the rear air cavity; a first filter element is arranged in the air inlet pipe, a second filter element is arranged in the front air cavity, and a third filter element is arranged in the rear air cavity. The utility model can isolate and recover all oil mist through the filtering treatment of the multi-channel filtering element, and has high filtering efficiency.

Description

Oil mist recovery device with multiple filtration

Technical Field

The utility model relates to the technical field of air oil mist purification and recovery, in particular to an oil mist recovery device with multiple filtering functions.

Background

During machining operation, various cutting oil or cooling liquid is often used for lubricating a cutter and reducing the machining temperature of a workpiece, a large amount of oil mist, dust, oil smoke and haze can be generated in the working environment, and the harm to the body of field operators is caused. The oil mist recoverer is mainly used for collecting oil mist, water mist or dust and the like generated in machining, removing harmful substances in the oil mist recoverer, recovering and utilizing substances with recycling value such as metal cutting oil and the like through interception and filtration, and finally discharging clean gas.

The existing oil mist recoverer usually sucks air horizontally and gives out air horizontally, namely, the air is sucked from the front side surface through a suction fan and is discharged from the rear side surface after being filtered and purified, the uniformity of air guiding is poor, the utilization efficiency of air is low, and the filtering efficiency is low.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects of the existing oil mist recoverer, and provides an oil mist recovery device with a reasonable structure and multiple filtering functions, so that the filtering efficiency is improved.

The technical scheme adopted by the utility model is as follows:

an oil mist recovery device with multiple filtration comprises a shell, wherein an air inlet pipe is arranged on the side surface of the shell, an air outlet is arranged on the top surface of the shell, a first partition plate is arranged in the shell and divides an inner cavity of the shell into a front air cavity and a rear air cavity, the front air cavity is communicated with the air inlet pipe, the rear air cavity is communicated with the air outlet, an air suction opening is formed in the first partition plate and is communicated with the front air cavity and the rear air cavity, and a fan is arranged in the rear air cavity;

a first filter element is arranged in the air inlet pipe, a second filter element is arranged in the front air cavity, and a third filter element is arranged in the rear air cavity.

As a further improvement of the above technical solution:

the periphery of the fan is sleeved with a housing, a buffer cavity is formed between the housing and the fan, and the buffer cavity is communicated with a rear air cavity.

An opening is arranged at the lower side of the outer cover plate of the housing.

The bottom plate of the shell is a step plate and is provided with a high flat plate part, a low flat plate part and a vertical plate part connected with the high flat plate and the low flat plate, and a low-lying liquid collection area is formed at the lower part of the inner cavity of the shell; the second filter element is disposed at a rear end portion of the high flat plate portion.

The first partition plate extends to the low flat plate part to divide the liquid collecting region into a front liquid collecting region and a rear liquid collecting region, and the front liquid collecting region and the rear liquid collecting region are respectively positioned at the bottoms of the front air cavity and the rear air cavity; the lower flat plate part is provided with a first oil outlet and a second oil outlet corresponding to the front liquid collecting area and the rear liquid collecting area respectively.

The second filter element is vertically arranged in the front air cavity.

The first filter element is radially disposed within the intake pipe.

The third filter element is arranged at the top of the rear air cavity and below the air outlet.

The first filter element is a metal filter screen, the second filter element is aluminum type aluminum, and the third filter element is filter cotton.

A micro-pressure meter is arranged on the side surface of the shell and near the third filter element, and the micro-pressure meter is communicated with the rear air cavity.

The utility model has the following beneficial effects:

the air inlet pipe is provided with the first filter element, the second filter element is arranged in the front air cavity, the last filter element is arranged at the air outlet of the rear air cavity, all oil mist can be isolated and recovered through the filtering treatment of the plurality of filter elements, and the filtering efficiency is high.

The shell is arranged outside the fan, the buffer cavity is formed at the periphery of the fan, airflow from the fan enters the buffer cavity, and flows into the rear air cavity from the air outlet channel after being uniformly distributed in the buffer cavity, so that the distribution uniformity of the airflow is improved, the resistance of the airflow flowing can be reduced, the airflow flows more smoothly, rotational flow can be formed in the buffer cavity, oil, water or dust in the airflow can be thrown onto the inner wall surface of the shell to be filtered under the action of centrifugal force in the rotation process of the airflow, namely the buffer cavity can carry out third filtering on all the airflow sucked by the fan, the utilization efficiency of the air is improved, and meanwhile, the filtering efficiency is improved.

The arc plates at the two edges of the lower flat plate part of the bottom plate of the shell have a flow guide effect on the filtered residual liquid, so that the filtered residual liquid can be guided to the oil outlet, and the residual liquid is prevented from being deposited in the shell. The second filter element is arranged at the rear end part of the high flat plate part of the bottom plate, and the filtered residual liquid can directly flow downwards along the vertical plate part, so that the residual liquid is prevented from being deposited on the high flat plate part.

The first filter element and the second filter element are metal filter pieces, and can be used for a long time after being cleaned, so that the replacement cost is saved. The last filter element is filter cotton, so that oil mist can be completely isolated, and the filter efficiency is high.

The micro-pressure gauge is used for detecting the pressure at the top of the rear air cavity and monitoring the wind resistance in the rear air cavity through pressure detection so as to replace the third filter element in time.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a cut-away view of the present invention, with the arrows showing the flow direction.

Fig. 3 is a perspective view of the fan.

Fig. 4 is a perspective view of the wind guide ring.

Fig. 5 is a perspective view of the cover.

Fig. 6 is a cross-sectional view of the cover.

Fig. 7 is an enlarged view of a portion a in fig. 6.

In the figure: 1. a housing; 11. an air inlet pipe; 12. an air outlet; 13. a base plate; 131. a high flat plate portion; 132. a lower flat plate portion; 1321. a first oil outlet hole; 1322. a second oil outlet hole; 133. a vertical plate portion; 14. a first separator; 15. a second separator; 16. a baffle; 17. a heat dissipation plate; 2. a fan; 21. a rotating drum; 22. a fan blade; 23. a front baffle; 24. a tailgate; 25. an air inlet; 26. an air outlet; 3. a wind guide ring; 31. a wind guide part; 32. a connecting portion; 4. a housing; 41. an outer cover plate; 411. flanging; 42. a front cover plate; 43. a rear connecting plate; 44. an inner ring; 45. an opening; 46. a handle; 5. a first filter element; 6. a second filter element; 7. a third filter element; 8. a micro-pressure meter;

9. a chassis; 91. a frame body; 92. placing a box; 93. a first oil storage bottle; 94. a second oil storage bottle; 95. a cover plate; 96. a front door; 97. a rear door; 98. a roller;

10. a front air cavity; 101. a front liquid collection area; 20. a rear air cavity; 201. a post-catchment zone; 30. an accommodating chamber; 40. a buffer chamber.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and 2, the recovery device of the present invention is provided on the top surface of the bottom frame 9.

As shown in fig. 1 and 2, an air inlet pipe 11 is provided on the front side surface of a casing 1 of the recovery device, and an air outlet 12 is provided on the top surface of the casing 1. As shown in fig. 2, a first filter element 5 is vertically arranged in the air inlet pipe 11 along a radial direction, and the first filter element 5 is a metal screen and can perform a first filtering process on the sucked air flow.

As shown in fig. 2, a first partition plate 14 and a second partition plate 15 are arranged in the casing 1 at intervals from front to back, the first partition plate 14 and the second partition plate 15 divide the inner cavity of the casing 1 into a front air cavity 10, a back air cavity 20 and an accommodating cavity 30, the front air cavity 10 is communicated with the air inlet pipe 11, and the back air cavity 20 is communicated with the air outlet 12. The first partition 14 is a vertical plate, the top edge of which is fixed to the top plate of the housing 1 and the bottom edge of which is fixed to the bottom plate 13 of the housing 1. The second partition 15 is an L-shaped plate, the top edge of which is fixed to the top plate of the housing, and the horizontal outer side edge of which is fixed to the rear side plate of the casing 1, so as to partition the accommodating chamber 30 at the rear upper side of the rear air chamber 20, so that the rear air chamber 20 forms an L-shaped chamber. The rear side plate of the housing 1 is fixedly provided with a heat dissipation plate 17 at a position corresponding to the accommodating cavity 30, and the heat dissipation plate 17 can dissipate heat in the accommodating cavity 30 to avoid burning out elements installed in the accommodating cavity 30 due to overhigh temperature. The bottom plate 13 of the casing 1 is a step plate with a step, and comprises a high flat plate part 131, a low flat plate part 132 and a vertical plate part 133 connected with the high flat plate and the low flat plate, a low-lying area is formed between the vertical plate part 133 and the left side plate of the casing 1 at the lower part of the inner cavity of the casing 1, and the low-lying area becomes a liquid collecting area for collecting filtered residual liquid; the bottom edge of the first partition 14 extends downward to the lower plate portion 132 to divide the liquid collecting region into a front liquid collecting region 101 and a rear liquid collecting region 201, and the front liquid collecting region 101 and the rear liquid collecting region 201 are respectively located at the bottoms of the front air cavity 10 and the rear air cavity 20. The lower plate portion 132 is provided with a first oil outlet 1321 and a second oil outlet 1322 corresponding to the front liquid collecting area 101 and the rear liquid collecting area 201, and the first oil outlet 1321 and the second oil outlet 1322 are respectively used for discharging the filtered residual liquid of the front liquid collecting area 101 and the filtered residual liquid of the rear liquid collecting area 201. The vertical plate part 133 is connected with the low flat plate part 132 through an arc plate part, a guide plate 16 is arranged at the connection part of the low flat plate part 132 and the left side plate of the shell 1, and the guide plate 16 is an arc plate; the arc plates at the two edges of the low flat plate part 132 have a flow guiding effect on the filtered residual liquid, so that the filtered residual liquid can be guided to the oil outlet, and the residual liquid is prevented from being deposited in the shell 1.

As shown in fig. 2, a second filter element 6 is vertically arranged in the front air cavity 10, and the second filter element 6 is made of aluminum type aluminum material and can perform a second filtering on the air flow. The second filter element 6 is disposed at the rear end of the high flat plate portion 131, and the residual liquid filtered by the second filter element can directly flow downward along the vertical plate portion 133, so as to prevent the residual liquid from depositing on the high flat plate portion 131.

As shown in fig. 2, a fan 2 is disposed in the rear air cavity 20 and right below the air outlet 12, the fan 2 is connected to a motor via a driving shaft, and the motor is disposed in the accommodating cavity 30 (the motor and the connection manner with the fan 2 are not shown in the figure). An air suction opening is formed in the first partition plate 14 and faces the fan 2, an air guide ring 3 is inserted into the air suction opening, and the fan 2 sucks external air through the air guide ring 3. As shown in fig. 2 and 3, the blower 2 has a rotary drum 21, the rotary drum 21 is a closed hollow cylinder, a plurality of fan blades 22 are uniformly arranged on the periphery of the rotary drum 21 along the circumferential direction, a front baffle 23 and a rear baffle 24 are respectively fixed on the front and rear sides of the fan blades 22, the front baffle 23 is an inward-concave arc-shaped plate, an air inlet 25 is arranged in the center of the front baffle 23, the rear baffle 24 is a vertical flat plate and extends inwards to connect to the rotary drum 21, and an air outlet 26 is formed between adjacent fan blades 22 and the front and

rear baffles

23, 24. As shown in fig. 4, the air guiding ring 3 has an air guiding portion 31 and a connecting portion 32, the air guiding portion 31 is an inward concave arc-shaped plate, as shown in fig. 3, the rear end portion of the air guiding portion 31 extends into the air inlet 25 of the front baffle 23 of the fan 2, so that it is ensured that all the air flow guided by the air guiding ring 3 flows into the fan 2, which is beneficial to improving the utilization efficiency of the wind; the arc of the air guiding part 31 is opposite to the arc of the front baffle 23 to form a U-shaped air guiding surface, which guides the air flow, reduces the air flow resistance and makes the air flow smoother. The connecting portion 32 of the air guide ring 3 is fixed to the first partition 14 by a fastener.

As shown in fig. 2, a housing 4 is sleeved on the periphery of the fan 2, a buffer cavity 40 is formed between the housing 4 and the fan 2, the housing 4 is fixed on the second partition 15 through a connecting plate assembly, an air outlet channel is formed between the housing 4 and the fan 2, and the buffer cavity 40 is communicated with the rear air cavity 20 through the air outlet channel; the housing 4 is arranged outside the fan 2, on one hand, the housing 4 provides a protection effect for the fan 2, the fan 2 is prevented from being exposed under the air outlet 12, oil, water or dust is prevented from entering the fan 2, internal elements of the fan 2 are protected, and the service life of the fan 2 is prolonged; on the other hand forms cushion chamber 40 in fan 2 periphery, the air current that fan 2 came out gets into cushion chamber 40 earlier, flow into back air cavity 20 from the air-out passageway after evenly distributed in cushion chamber 40 again, more be favorable to improving the distribution uniformity of air current, can also reduce the resistance that the air current flows, it is more smooth and easy to make the air current flow, and the air current can form the whirl in cushion chamber 40, the air current is at rotatory in-process, fluid in the air current, water liquid or dust etc. also can be got rid of under the effect of centrifugal force and realize filtering on 4 internal faces of housing, cushion chamber 40 can carry out the third to filtering to all air currents that fan 2 inhales promptly, when improving the utilization efficiency of wind, the filtration efficiency has more been improved.

As shown in fig. 5, the housing 4 has a cylindrical housing plate 41, a front cover plate 42 is attached to a front side of the housing plate 41, a rear connecting plate 43 is attached to a rear side of the housing plate 41, and the rear connecting plate 43 of the housing 4 is fixedly connected to the connecting plate assembly, and is fixed to the second partition 15 by the connecting plate assembly, which is covered on a rear side of the housing 4. The front cover plate 42 is a circular ring flat plate, the outer edge of the front cover plate is connected with the outer cover plate 41, the inner edge of the front cover plate is provided with an inner ring 44, and the inner ring 44 is perpendicular to the front cover plate 42 and extends into the housing 4 along the axial direction; as shown in fig. 3, the front cover plate 42 and the inner ring 44 of the housing 4 are sleeved on the peripheries of the front baffle 23 of the fan 2 and the air guiding portion 31 of the air guiding ring 3, and the front cover plate 42 and the inner ring 44 are spaced from the front baffle 23 and the air guiding ring 3 to form an air outlet channel, through which the air flow in the buffer cavity 40 flows into the rear air cavity 20, and the inner ring 44 can better guide the air flow outwards while increasing the strength of the front cover plate 42, thereby reducing the air flow resistance and making the air flow smoother. As shown in fig. 5 to 7, the outer cover plate 41 is formed by bending a strip-shaped lath into a circle, after the strip-shaped lath is bent into a circle, two opposite edges of the strip-shaped lath are positioned at the lower side, the two opposite edges are not connected, the edge of one side is turned outwards along the radial direction to form a flanging 411, and two edges form openings 45, that is, an opening 45 is formed at the lower side of the housing 4, the opening 45 is communicated with the buffer cavity 40, the opening 45 can discharge oil, water, dust or the like filtered out from the housing 4 downwards into the rear liquid collecting area 201, so as to prevent the filtered residual liquid from depositing in the housing 4; the outward turned edge 411 of the outer cover plate 41 slants downwards in an inclined way, so that the downward flowing of the filtered residual liquid is facilitated. As shown in fig. 5 and 6, the outer peripheral surface of the outer cover plate 41 is further provided with a handle 46 for taking out the cover 4, thereby facilitating the detachment of the cover 4.

As shown in fig. 2, a third filter element 7 is disposed at the top of the rear air chamber 20 below the air outlet 12 for filtering the discharged air flow, and the third filter element 7 is filter cotton for completely isolating the oil mist in the rear air chamber 20. As shown in fig. 1, a micro-pressure gauge 8 is arranged on the left side surface of the housing 1, near the third filter element 7, and at the top of the rear air cavity 20, the micro-pressure gauge 8 is used for detecting the pressure at the top of the rear air cavity 20, and the wind resistance in the rear air cavity 20 is monitored through pressure detection, when the pressure value of the micro-pressure gauge 8 exceeds the rated value, it is indicated that the wind resistance in the rear air cavity 20 is too large, and it is indicated that the density of the third filter element 7 reaches the limit value after the third filter element 7 absorbs oil mist, and the third filter element 7 needs to be replaced in time.

As shown in fig. 2, a placing box 92 is arranged in a frame body 91 of the chassis 9, a first oil storage bottle 93 and a second oil storage bottle 94 are arranged in the placing box 92, the first oil storage bottle 93 is communicated with a front liquid collecting area 101 through a pipeline, the second oil storage bottle 94 is communicated with a rear liquid collecting area 201 through a pipeline, and the front liquid collecting area 101 and the rear liquid collecting area 201 are respectively recovered and stored in the first oil storage bottle 93 and the second oil storage bottle 94. The cover plate 95 covers the left side and the right side of the frame body 91, the observation window is arranged on the cover plate 95, and the oil quantity recovered by the first oil storage bottle 93 and the second oil storage bottle 94 can be observed in real time through the observation window. The preceding, the back both sides face of support body 91 are provided with qianmen 96, back door 97 respectively, fill with the recovered oil after first oil storage bottle 93 and second oil storage bottle 94, can open qianmen 96 or back door 97 and change the oil storage bottle, and chassis 9 front and back both sides all are provided with the door, make things convenient for the operator to operate from arbitrary one side, are convenient for more oil storage bottle, clearance place inside case 92 or support body 91. Four corners of the bottom of the frame body 91 are also provided with rollers 98, so that the device can be conveniently moved and placed at a designated position.

When the air conditioner is in actual use, the motor drives the fan 2 to rotate, external air is sucked from the air inlet pipe 11, enters the front air cavity 10 after being subjected to first filtering by the first filtering element 5, enters the fan 2 from the air guide ring 3 after being filtered by the second filtering element 6 in the front air cavity 10, enters the buffer cavity 40 from the air outlet 26 of the fan 2, enters the rear air cavity 20 from the air outlet channel after being uniformly distributed in the buffer cavity 40 and subjected to third filtering, then flows through the third filtering element 7, is subjected to last filtering, and is discharged outside from the air outlet 12; the residual liquid filtered from the front air cavity 10 and the rear air cavity 20 respectively flows to the oil storage bottle through pipelines to be recovered.

The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, as the utility model may be modified in any manner without departing from the spirit thereof.

Claims

1. The utility model provides an oil mist recovery unit with multiple filtration, casing (1) side sets up intake pipe (11), and casing (1) top surface sets up gas outlet (12), its characterized in that: a first partition plate (14) is arranged in the shell (1), the inner cavity of the shell (1) is divided into a front air cavity (10) and a rear air cavity (20) by the first partition plate (14), the front air cavity (10) is communicated with an air inlet pipe (11), the rear air cavity (20) is communicated with an air outlet (12), an air suction opening is formed in the first partition plate (14), the air suction opening is communicated with the front air cavity (10) and the rear air cavity (20), and a fan (2) is arranged in the rear air cavity (20);

a first filter element (5) is arranged in the air inlet pipe (11), a second filter element (6) is arranged in the front air cavity (10), and a third filter element (7) is arranged in the rear air cavity (20).

2. The oil mist recovery device with multiple filtration according to claim 1, wherein: the periphery of the fan (2) is sleeved with a housing (4), a buffer cavity (40) is formed between the housing (4) and the fan (2), and the buffer cavity (40) is communicated with the rear air cavity (20).

3. The oil mist recovery apparatus with multiple filtering according to claim 2, wherein: an opening (45) is arranged at the lower side of the outer cover plate (41) of the housing (4).

4. The oil mist recovery device with multiple filtration according to claim 1, wherein: the bottom plate (13) of the shell (1) is a stepped plate and is provided with a high flat plate part (131), a low flat plate part (132) and a vertical plate part (133) connected with the high flat plate and the low flat plate, and a low-lying liquid collection area is formed at the lower part of the inner cavity of the shell (1); the second filter element (6) is provided at the rear end of the high flat plate section (131).

5. The oil mist recovery device with multiple filtration according to claim 4, wherein: the first partition plate (14) extends to the low flat plate part (132) to divide the liquid collection area into a front liquid collection area (101) and a rear liquid collection area (201), and the front liquid collection area (101) and the rear liquid collection area (201) are respectively positioned at the bottoms of the front air cavity (10) and the rear air cavity (20); the lower flat plate part (132) is provided with a first oil outlet hole (1321) and a second oil outlet hole (1322) corresponding to the front liquid collecting area (101) and the rear liquid collecting area (201).

6. The oil mist recovery device with multiple filtration according to claim 1, wherein: the second filter element (6) is arranged vertically in the front air chamber (10).

7. The oil mist recovery device with multiple filtration according to claim 1, wherein: the first filter element (5) is arranged radially in the inlet pipe (11).

8. The oil mist recovery device with multiple filtration according to claim 1, wherein: the third filter element (7) is arranged at the top of the rear air cavity (20) and is positioned below the air outlet (12).

9. The oil mist recovery device with multiple filtration according to claim 1, wherein: the first filter element (5) is a metal filter screen, the second filter element (6) is aluminum type aluminum, and the third filter element (7) is filter cotton.

10. The oil mist recovery device with multiple filtration according to claim 1, wherein: a micro-pressure gauge (8) is arranged on the side surface of the shell (1) and near the third filter element (7), and the micro-pressure gauge (8) is communicated with the rear air cavity (20).