CN210218045U

CN210218045U - Oil fume filtering equipment of vacuum pump exhaust system

Info

Publication number: CN210218045U
Application number: CN201921134389.3U
Authority: CN
Inventors: Lifeng Zhao; 赵立峰; Songlin Xu; 徐松林
Original assignee: NANJING WEITU VACUUM TECHNOLOGY Co Ltd
Current assignee: NANJING WEITU VACUUM TECHNOLOGY Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-03-31
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a vacuum pump exhaust system oil smoke filtration equipment, which comprises a housin (1), filter (2) and support frame (3), casing (1) is including last casing (4) and lower casing (5), go up casing (4) lid and close casing (5) down and detachable connects, the blast pipe that has air inlet (6) to be used for connecting the vacuum pump is opened to the bottom of casing (5) down, it has gas vent (7) to go up the top of casing (4) and open, support frame (3) set up in casing (5) down, filter (2) set up in casing (5) down and by support frame (3) support, the oil smoke gets into casing (1) from air inlet (6) and is discharged from gas vent (7) after the oil wherein of filtering when passing filter (2). The utility model has the advantages that: the utility model discloses can be effectual the oil in the filtering oil smoke, avoid vacuum pump discharge black cigarette polluted environment.

Description

Oil fume filtering equipment of vacuum pump exhaust system

Technical Field

The utility model relates to a vacuum pump exhaust system oil smoke filtration equipment.

Background

The vacuum pump is widely applied to industries such as metallurgy, chemical engineering, food, electronic coating and the like, the vacuum pump can exhaust oil smoke when in use, although the oil smoke is called as oil smoke, the oil smoke only contains air and oil but does not contain solid particles, the oil smoke is wholly black due to the existence of the oil in the oil smoke, the air can be polluted by direct emission, the current domestic vacuum pumps are not provided with oil smoke filters, and the problem of oil smoke pollution of the vacuum pump is urgently needed to be solved at present.

Disclosure of Invention

The utility model aims at providing a vacuum pump exhaust system oil smoke filtration equipment solves the technical defect of vacuum pump exhaust black smoke polluted air among the prior art.

In order to solve the above problems, the utility model adopts the following technical proposal: vacuum pump exhaust system oil smoke filtration equipment, which comprises a housin, filter and support frame, the casing includes casing and lower casing, go up the casing lid and close on the casing and detachable connects down, the blast pipe that has the air inlet to be used for connecting the vacuum pump is opened to the bottom of casing down, it has the gas vent to go up the top of casing, the support frame sets up in the casing down, the filter sets up in the casing down and is supported by the support frame, the oil smoke gets into the casing from the air inlet and discharges from the gas vent after the oil wherein of filtering when passing the filter. The utility model discloses well casing falls into detachable upper and lower two parts for lay filter and support frame in the casing, the oil that the filter is arranged in the filtering oil smoke, and gas is discharged from the gas vent after passing through the filter, and the gas of gas vent combustion gas does not contain oil, avoids vacuum pump discharge black cigarette contaminated air, the utility model is used for connecting the blast pipe of vacuum pump, has simplified the structure of vacuum pump, reduces the manufacturing degree of difficulty of vacuum pump.

As the utility model discloses a further improvement, the filter is cylindricly, and its top is fixed with the mounting panel, and the support frame includes annular bottom plate, support piece and backup pad, and annular bottom plate is used for linking to each other with lower casing, and support piece includes the connecting piece more than two, the top and the bottom of connecting piece respectively with backup pad and annular bottom plate fixed connection, the filter cover is established on support piece, mounting panel detachable installs in the backup pad. The utility model discloses when using, flue gas accessible connecting piece gets into the filter from the support frame, and the mounting panel at filter top makes the oil smoke only just can follow the gas vent through the filter and discharges, improves the utility model discloses a filter effect.

As a further improvement, the lower surface of the filter is attached to the upper surface of the annular bottom plate. The utility model provides a filter and annular bottom plate contact are good, and the leakproofness is good, reduce the oil smoke and discharge, further improvement from both junctions the utility model discloses filter oil smoke's effect.

As a further improvement, the bottom of the filter is provided with an annular sealing groove, and a sealing ring is arranged in the sealing groove. The utility model discloses set up the sealing washer, the leakproofness of further reinforcing filter and annular bottom plate for just being discharged from the gas vent after all flue gases pass through the filter.

As a further improvement of the utility model, a connecting flange is fixed on the inner surface of the lower shell, and the annular bottom plate is detachably arranged on the connecting flange. The utility model discloses set up flange, make things convenient for the installation of support frame.

As a further improvement, the support plate top is fixed with the screw rod, and the screw rod is vertical state, and it has the installation through-hole that runs through its top and bottom to open on the mounting panel, and the screw rod passes the installation through-hole and is provided with rather than screw-thread fit's nut. The utility model discloses a nut and screw rod cooperate and install the filter on the support frame, improve the stability of filter, avoid because the too big filter jack-up that makes progress of casing internal gas pressure.

As the utility model discloses a further improvement, inlet port department sets up the inlet duct, and it is internal that the inlet duct upwards stretches into the inferior valve, and the internal water conservancy diversion cap that is provided with of inferior valve, water conservancy diversion cap are the casing of round platform form, and its top is sealed, and the inlet duct gets into the internal flue gas of inferior valve and upwards flows after water conservancy diversion cap drainage downwards again and passes the filter. The utility model discloses set up the water conservancy diversion cap, force oil downflow, reduce the oil that sprays on the filter, avoid reducing the life cycle of filter because the oil that directly sprays on the filter is too much.

As the utility model discloses a further improvement, the top of admission line is sealed, and the top detachable of water conservancy diversion cap is installed on the top of admission line, and the part that the admission line is located the water conservancy diversion cap has advanced a plurality of venthole for it is internal with the flue gas emission inferior valve in the admission line. The utility model discloses the installation of well water conservancy diversion cap makes things convenient for the installation and the fixed of water conservancy diversion cap at the admission line top.

As a further improvement of the utility model, the bottom of the lower shell is provided with an oil outlet for connecting an oil cavity of the vacuum pump. The utility model discloses in the oil inflow vacuum pump that strains, realize its cyclic utilization.

As a further improvement of the utility model, the top of casing and the bottom of last casing are provided with down installation circle and last installation circle respectively down, and the bottom of lower installation circle and the top of last installation circle are opened respectively and are had solid fixed ring and solid fixed ring down, and gu fixed ring and solid fixed ring down adopt checkpost looks block. The utility model discloses a checkpost will go up the installation circle and install the circle card down and be in the same place, reach the demountable installation of casing and lower casing to simple to operate, it is efficient.

To sum up, the beneficial effects of the utility model are that: the utility model discloses can effectual oil in the filtering oil smoke, avoid vacuum pump discharge black cigarette polluted environment, the utility model discloses but the oil cyclic utilization that strains has improved the utilization ratio of oil.

Drawings

Fig. 1 is a schematic structure of the present invention.

Wherein: 1. a housing; 2. a filter; 3. a support frame; 4. an upper housing; 5. a lower housing; 6. an air inlet; 7. an exhaust port; 8. mounting a plate; 9. an annular base plate; 10. a support plate; 11. a connecting member; 12. a sealing groove; 13. a seal ring; 14. a connecting flange; 15. a screw; 16. a nut; 17. an air intake duct; 18. a flow guide cap; 19. an air outlet; 20. an oil outlet; 21. a lower mounting ring; 22. installing a ring; 23. an upper fixing ring; 24. a lower fixing ring; 25. and a pressure gauge.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

The oil smoke filtering device of the vacuum pump exhaust system as shown in figure 1 comprises a shell 1, a filter 2 and a support frame 3, wherein the shell 1 comprises an upper shell 4 and a lower shell 5, the upper shell 4 is covered on the lower shell 5 and is detachably connected, the bottom of the lower shell 5 is provided with an air inlet 6 for connecting an exhaust pipe of a vacuum pump, oil smoke exhausted by the vacuum pump is guided into the lower shell, the top of the upper shell 4 is provided with an exhaust port 7, used for discharging oil smoke after filtering oil, a supporting frame 3 is arranged in a lower shell 5, a filter 2 is arranged in the lower shell 5 and is supported by the supporting frame 3, the oil smoke enters the shell 1 from an air inlet 6 and is discharged from an air outlet 7 after filtering oil in the oil smoke when passing through the filter 2, the oil smoke discharged by a vacuum pump is black due to the oil content in the oil smoke, namely black smoke, the utility model discloses well filter 2 filtering oil wherein, the exhaust oil smoke is colourless gas.

The utility model provides a filter 2 is cylindric, it includes interior stainless steel mesh, outer stainless steel mesh, filter paper and filter pulp, wherein the filter paper is hugging closely interior stainless steel mesh setting, the interior external surface of filter pulp is laminated with filter paper and outer stainless steel mesh respectively, filter paper is used for filtering the oil in the oil smoke, filter pulp is used for carrying out the secondary oil strain to the oil smoke, improves the oil strain effect of filter 2, the top of filter 2 is fixed with mounting panel 8, mounting panel 8 is circular, its border and interior stainless steel mesh fixed connection (such as welding), the utility model provides a support frame 3 includes annular bottom plate 9, support piece and backup pad 10, annular bottom plate 9 is used for linking to each other with lower casing 5, support piece includes two more than connecting piece 11, the preferred selection of the quantity of actually using novel well connecting piece 11 is two, the top and the bottom of connecting piece 11 respectively with backup pad 10 and annular bottom plate 9 fixed connection (such as welding, the utility model discloses the length of preferred backup pad 10 is less than the internal diameter of

annular bottom plate

9, and 2 covers of filter are established on support piece, and 8 detachable of mounting panel install in backup pad 10. The filter paper and the filter cotton adopted in the utility model are both prior art and can be directly purchased.

The utility model discloses well filter 2's lower surface and the upper surface of annular bottom plate 9 are laminated mutually to be provided with annular seal groove 12 in filter 2's bottom, be provided with sealing washer 13 in the seal groove 12, the utility model provides a seal groove 12 sets up in the bottom of crossing the filter pulp.

The utility model discloses the concrete structure that realization support frame 3 and lower casing 5 are connected is: a connecting flange 14 is fixed on the inner surface of the lower shell 5, the cylindrical surface of the connecting flange 14 is fixed with the inner surface of the lower shell 5, for example, by welding, a plurality of connecting through holes (not shown) are uniformly formed on the annular bottom plate 9 along the circumferential direction, and the supporting frame 3 is detachably mounted on the connecting flange 14 from the bottom by bolts penetrating through the connecting through holes and the connecting flange 14 and nuts matched with the bolts.

The utility model discloses be fixed with screw rod 15 at backup pad 10 top, screw rod 15 is vertical state, the bottom welding of screw rod 15 is at the upper surface of backup pad 10, it runs through the installation through-hole (not shown in the figure) of its top down to open on mounting panel 8, screw rod 15 passes the installation through-hole and is provided with rather than screw-thread fit's fixation nut 16, fixation nut 16 matches with screw rod 15 and compresses tightly mounting panel 8 downwards, install filter 2 on support frame 3, make both can not relative movement, avoid in use filter 2 because the casing 1 internal gas pressure is great and rebound, lead to passing through and directly discharging from gas vent 7 in filter 2 bottom not filtered oil smoke. The utility model discloses can adopt pipeline and outdoor intercommunication with gas vent 7, arrange the oil smoke after will handling outdoor.

Example 2

The embodiment is the further improvement on the basis of embodiment 1, compare with embodiment 1, this embodiment sets up inlet duct 17 in the fixed department of air inlet 6, inlet duct 17 upwards stretches into down in the casing 5, inlet duct 17's surface and air inlet 6 welded fastening, be located inlet duct 17 in the casing 5 down and be provided with deflector cap 18 in the department directly over, deflector cap 18 is round platform form casing 1, and its top is sealed, and inlet duct 17 gets into the flue gas in the casing 5 down and upwards flows from the outside of deflector cap 18 after deflector cap 18 downward drainage again and pass filter 2, the utility model provides an oil smoke passes through deflector cap 18, forces the oil smoke to flow downwards in deflector cap 18, avoids the oil in the oil smoke directly to spray on the filter to the reduction that leads to strains a life cycle.

The utility model provides an inlet channel 17's top is sealed, and bolt detachable installs on inlet channel 17's top is adopted at the top of water conservancy diversion cap 18, and inlet channel 17 is located the part of water conservancy diversion cap 18 and has advanced a plurality of venthole 19 for in discharging into lower casing 5 with the flue gas in the inlet channel 17, the utility model discloses well water conservancy diversion cap 18 and inlet channel 17's structure is convenient for water conservancy diversion cap 18 fixed.

The utility model discloses be located casing 5 below department and be provided with manometer 25 down at admission line 17 for the pressure of oil smoke when detecting entering casing 1.

The structure of the rest of this embodiment is the same as that of embodiment 1, and embodiment 1 may be referred to specifically, and details are not repeated in this embodiment.

Example 3

The present embodiment is a further improvement on embodiment 2, and compared with embodiment 2, the top of the lower housing 5 and the bottom of the upper housing 4 are respectively provided with a lower mounting ring 21 and an upper mounting ring 22, the lower mounting ring 21 in the present embodiment is fixedly connected with the lower housing 5, the upper mounting ring 22 is fixedly connected with the upper housing 4, the lower mounting ring 21 in the present embodiment is preferably integrally formed with the lower housing 5, the upper mounting ring 22 is integrally formed with the upper housing 4, the bottom of the lower mounting ring 21 and the top of the upper mounting ring 22 are respectively provided with a lower fixing ring 23 and an upper fixing ring 24, and the lower fixing ring 23 and the upper fixing ring 24 are engaged with each other by a clip (not shown in the figure). In the preferred embodiment, an annular sealing groove is formed at the top of the lower fixing ring 23, and an annular sealing ring is arranged in the annular sealing groove to enhance the sealing performance between the upper fixing ring 24 and the lower fixing ring 23.

The structure of the rest of this embodiment is the same as that of embodiment 2, and embodiment 2 may be referred to specifically, and details are not repeated in this embodiment.

Example 4

The embodiment is the further improvement on the basis of embodiment 3, compares with embodiment 3, and open the bottom of lower casing 5 in this embodiment has oil-out 20 for adopt the oil pocket of pipe connection vacuum pump, will the utility model discloses the cyclic utilization of oil is realized in the filterable oil import vacuum pump.

The structure of the rest of this embodiment is the same as that of embodiment 3, and embodiment 3 may be referred to specifically, and details are not repeated in this embodiment.

Parts which are not specifically described in the above description are prior art or can be realized by the prior art. The specific embodiments of the present invention are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. That is, all equivalent changes and modifications made according to the contents of the claims of the present invention should be regarded as the technical scope of the present invention.

Claims

1. Vacuum pump exhaust system oil smoke filtration equipment, its characterized in that: including casing (1), filter (2) and support frame (3), casing (1) is including last casing (4) and lower casing (5), go up casing (4) lid and close casing (5) down and detachable connection, the bottom of casing (5) is down opened has air inlet (6) to be used for connecting the blast pipe of vacuum pump, the top of going up casing (4) is opened there is gas vent (7), support frame (3) set up in casing (5) down, filter (2) set up in casing (5) down and are supported by support frame (3), the oil smoke is discharged from gas vent (7) after air inlet (6) get into casing (1) and the oil among them of filtering when passing filter (2).

2. The vacuum pump exhaust system soot filtering device of claim 1, wherein: filter (2) are cylindricly, and its top is fixed with mounting panel (8), and support frame (3) include annular bottom plate (9), support piece and backup pad (10), and annular bottom plate (9) are used for linking to each other with lower casing (5), and support piece includes connecting piece (11) more than two, the top and the bottom of connecting piece (11) respectively with backup pad (10) and annular bottom plate (9) fixed connection, and filter (2) cover is established on support piece, and mounting panel (8) detachable installs on backup pad (10).

3. The vacuum pump exhaust system soot filtering device of claim 2, wherein: the lower surface of the filter (2) is attached to the upper surface of the annular bottom plate (9).

4. The vacuum pump exhaust system soot filtering device of claim 3, wherein: an annular sealing groove (12) is arranged at the bottom of the filter (2), and a sealing ring (13) is arranged in the sealing groove (12).

5. The vacuum pump exhaust system lampblack filter device according to claim 2, 3 or 4, wherein: a connecting flange (14) is fixed on the inner surface of the lower shell (5), and the annular bottom plate (9) is detachably arranged on the connecting flange (14).

6. The vacuum pump exhaust system lampblack filter device according to claim 2, 3 or 4, wherein: the top of the supporting plate (10) is fixed with a screw rod (15), the screw rod (15) is in a vertical state, the mounting plate (8) is provided with a mounting through hole penetrating through the screw rod (15) from top to bottom, and the screw rod (15) penetrates through the mounting through hole and is provided with a fixing nut (16) in threaded fit with the screw rod.

7. The vacuum pump exhaust system lampblack filter device according to any one of claims 1 to 4, wherein: an air inlet pipeline (17) is arranged at the air inlet (6), the air inlet pipeline (17) upwards extends into the lower shell (5), a flow guide cap (18) is arranged in the lower shell (5), the flow guide cap (18) is a circular truncated cone-shaped shell (1), the top of the flow guide cap is closed, and smoke entering the lower shell (5) from the air inlet pipeline (17) downwards flows through the flow guide cap (18) and then upwards flows to pass through the filter (2).

8. The vacuum pump exhaust system soot filtering device of claim 7, wherein: the top end of the air inlet pipeline (17) is closed, the top of the diversion cap (18) is detachably mounted at the top end of the air inlet pipeline (17), and a plurality of air outlet holes (19) are arranged in the part, located in the diversion cap (18), of the air inlet pipeline (17) and used for discharging smoke in the air inlet pipeline (17) into the lower shell (5).

9. The vacuum pump exhaust system lampblack filter device according to any one of claims 1 to 4, wherein: the bottom of the lower shell (5) is provided with an oil outlet (20) for connecting an oil cavity of a vacuum pump.

10. The vacuum pump exhaust system lampblack filter device according to any one of claims 1 to 4, wherein: the top of casing (5) and the bottom of last casing (4) are provided with down collar (21) and last collar (22) respectively down, and the bottom of collar (21) and the top of last collar (22) are opened down solid fixed ring (23) and solid fixed ring (24) respectively down, and solid fixed ring (23) and solid fixed ring (24) adopt checkpost looks block down.