CN111298583A - Oil filtering and dust filtering device - Google Patents
Oil filtering and dust filtering device Download PDFInfo
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- CN111298583A CN111298583A CN202010278623.0A CN202010278623A CN111298583A CN 111298583 A CN111298583 A CN 111298583A CN 202010278623 A CN202010278623 A CN 202010278623A CN 111298583 A CN111298583 A CN 111298583A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention discloses an oil filtering and dust filtering device. This oil strain dust filter equipment includes: the upper part of the primary filter is provided with a drying system, and the bottom of the primary filter is provided with a moisture settling structure and is communicated with a vacuum-pumping pipeline of the smelting furnace; a secondary filter, comprising: the filter comprises a filter body and a filter element arranged in the filter body, wherein the bottom of the filter body is provided with a dust recovery port, the side surface of the filter body is provided with a secondary filtered gas inlet pipe, and the top surface of the filter body is provided with a secondary filtered gas outlet pipe; the secondary filtering gas inlet pipe is communicated with the inner cavity of the primary filter above the drying system; one end of the secondary filtered gas outlet pipe is communicated with the inner cavity of the secondary filter above the filter element; the three-stage filter is provided with an air inlet and an air outlet, and is internally provided with an oil mist separation device; and the air inlet is communicated with the other end of the secondary filtered gas outlet pipe. The oil filtering and dust filtering device adopts three-stage filtering, so that the gas exhausted by the vacuum pumping of the smelting furnace reaches the emission standard, and the health of workers is protected.
Description
Technical Field
The invention relates to the field of dust filtration of vacuum smelting furnaces, in particular to an oil filtering and dust filtering device.
Background
At present, the key process of producing the known neodymium iron boron permanent magnet material is smelting, wherein the smelting is to smelt, pour and cool the prepared raw materials according to requirements.
Before smelting, the smelting furnace is vacuumized, the furnace atmosphere is exhausted through a vacuumization pipeline in the vacuumization process, and the exhausted gas contains moisture (moist air and moisture in the furnace body), oil (oil mist exhausted in the operation process of a vacuum pump) and dust (volatile matters generated in the smelting process in the furnace are attached to the furnace body), so that the mixed gas is exhausted outdoors and easily pollutes the atmosphere.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide the oil filtering and dust filtering device with a simple and reasonable structure, and the oil filtering and dust filtering device adopts three-stage filtering, so that gas exhausted by vacuumizing of a smelting furnace reaches the emission standard, the health of workers is protected, resources are recycled, and the economic benefit is increased.
In order to achieve the above object, the present invention provides an oil filtering and dust filtering device, comprising: the upper part of the primary filter is provided with a drying system, and the bottom of the primary filter is provided with a moisture settling structure which is communicated with a vacuum-pumping pipeline of the smelting furnace; a secondary filter, comprising: the filter comprises a filter body and a filter element arranged in the filter body, wherein the bottom of the filter body is provided with a dust recovery port, the side surface of the filter body is provided with a secondary filtered gas inlet pipe, and the top surface of the filter body is provided with a secondary filtered gas outlet pipe; the secondary filtering gas inlet pipe is communicated with the inner cavity of the primary filter above the drying system; one end of the secondary filtered gas outlet pipe is communicated with the inner cavity of the secondary filter above the filter element; the three-stage filter is provided with an air inlet and an air outlet, and is internally provided with an oil mist separation device; and the air inlet is communicated with the other end of the secondary filtered gas outlet pipe.
In a preferred embodiment, the moisture settling structure is provided with a circuitous rectifying structure, the circuitous rectifying structure comprises spaced transverse baffles protruding from two side chamber walls of the primary filter, and the transverse baffles on the two side chamber walls are meshed with each other and form a circuitous rectifying channel.
In a preferred embodiment, the filter element is a microporous filter element.
In a preferred embodiment, the tertiary filter is a cylindrical cylinder, the secondary filtered gas outlet pipe is communicated with the upper end side circumference of the cylindrical cylinder along the tangential direction, and the oil mist separation device is a spiral air duct formed by spiral cyclone plates arranged on the inner circumference of the cylindrical cylinder.
In a preferred embodiment, the oil and dust filtering apparatus further comprises: and the fan is arranged at the air outlet of the tertiary filter.
Compared with the prior art, the oil filtering and dust filtering device has the following beneficial effects: the oil filtering and dust filtering device adopts three-stage filtering, namely, the first-stage filtering filters moisture in gas through sedimentation and dries the gas, the second-stage filtering filters dust particles in the gas through a filter, the third-stage filtering filters oil mist in the gas through an oil mist separation device and collects and disposes the oil mist, and the gas discharged after the third-stage filtering reaches the discharge standard, so that the health of workers is protected, meanwhile, the collected dust and the collected oil mist can be recycled, and the economic benefit is increased.
Drawings
Fig. 1 is a schematic structural diagram of an oil and dust filtering apparatus according to an embodiment of the present invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1, the specific structure of the oil and dust filtering device according to the preferred embodiment of the present invention includes: one-level filter 3, secondary filter 5, tertiary filter 7 and export fan 9, wherein, one-level filter 3 is connected with smelting furnace 1's evacuation pipeline 2 for subside moisture content and dry gas in the filtration gas, secondary filter 5 further filters the dust particle in the gas, tertiary filter 7's oil mist separator refilters the oil mist in the gas and collects and deals with, make behind tertiary filtration the combustion gas reach emission standard, discharge under export fan 9 effect, the workman is protected healthy, simultaneously, the dust of collection, oil mist recycle, economic benefits has been increased.
Specifically, the upper part of the primary filter 3 is provided with a drying system 4, and the bottom part of the primary filter is provided with a moisture settling structure for settling and filtering moisture in the gas. When the vacuum-pumping device is used, the vacuum-pumping pipeline 2 of the smelting furnace 1 is communicated with the moisture settling structure at the bottom of the primary filter, so that moisture contained in the discharged gas is settled at the bottom of the primary filter 3 and is dried by the drying system 4.
In one embodiment, the moisture settling structure is provided with a circuitous rectifying structure, the circuitous rectifying structure comprises transverse baffles which are arranged on the two side cavity walls of the primary filter in a protruding mode and are arranged at intervals, the transverse baffles on the two side cavity walls are arranged in an interlocking mode and form a circuitous rectifying channel, so that the moisture settling structure forms a labyrinth rectifying structure integrating a plurality of rectifying cavities, firstly, exhaust gas enters from one end of the moisture settling structure, the flow direction is changed after encountering the transverse baffles, and moisture contained in the exhaust gas is in contact with the transverse baffles for settling.
The secondary filter 5 includes: a filter body and a filter element 6 arranged in the filter body. Wherein, the bottom of the filter body is provided with a dust recovery port, the side surface is provided with a secondary filtered gas inlet pipe, and the top surface is provided with a secondary filtered gas outlet pipe. One end of the secondary filtering gas inlet pipe is communicated with the inner cavity of the primary filter above the drying system 4, and the other end of the secondary filtering gas inlet pipe is communicated with the inner cavity of the secondary filter below the filter element. One end of the secondary filtering gas outlet pipe is communicated with the inner cavity of the secondary filter above the filter element, the gas is dried by the drying system 4 and then enters the secondary filter 5, and dust contained in the gas is filtered at the bottom of the secondary filter 5 through the filter element 6 in the secondary filter 5 and is recycled through the dust recycling port.
In one embodiment, the filter element 6 is a microporous filter element.
The tertiary filter 7 has an air inlet and an air outlet, and is provided with an oil mist separator 8 therein. The air inlet of the third filter 7 is communicated with the other end of the second-stage filtered gas outlet pipe, the gas after dust filtration enters the third filter 7 through the second-stage filtered gas outlet pipe of the second-stage filter 5, oil mist contained in the gas is separated through the oil mist separation device 8 and collected in the third filter.
In one embodiment, the third filter 7 is a cylindrical cylinder, the second-stage filtered gas outlet pipe is communicated with the upper end side circumference of the cylindrical cylinder along the tangential direction, and the oil mist separator 8 is a spiral air duct formed by spiral cyclone plates arranged on the inner circumference of the cylindrical cylinder, so that the rotation times of the dust-filtered gas in the third filter are forcibly increased, and the oil mist separation effect is enhanced.
The fan 9 is arranged at the air outlet of the three-stage filter 7, and the gas after oil mist separation is discharged under the action of the outlet fan 9.
During the use, the evacuation pipeline 2 that smelting furnace 1 connects inserts the moisture content settlement structure of primary filter 3 bottom, make the moisture content that contains in the exhaust gas subside in primary filter 3 bottom, gaseous entering secondary filter 5 after drying system 4 is dried, the gas after the drying filters the dust that contains in the gas at secondary filter 5 bottom through filter core 6 in secondary filter 5, the gas after the filtration dust enters tertiary filter 7 by the secondary filtered gas outlet pipe of secondary filter 5, the gas that gets into tertiary filter 7 separates the oil mist that contains in the gas through oil mist separator 8, collect in tertiary filter, the gas after the separation is discharged under export fan 9 effect.
In conclusion, the oil filtering and dust filtering device adopts three-stage filtering, namely, the first-stage filtering filters moisture in gas through sedimentation and dries the gas, the second-stage filtering filters dust particles in the gas through a filter, the third-stage filtering filters oil mist in the gas through an oil mist separation device and collects and disposes the oil mist, the gas exhausted after the third-stage filtering reaches the emission standard, the health of workers is protected, meanwhile, the collected dust and the collected oil mist can be recycled, and the economic benefit is increased.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (5)
1. The utility model provides an oil strain dirt filtrating device which characterized in that, this oil strain dirt filtrating device includes:
the upper part of the primary filter is provided with a drying system, and the bottom of the primary filter is provided with a moisture settling structure which is communicated with a vacuum-pumping pipeline of the smelting furnace;
a secondary filter, comprising: the filter comprises a filter body and a filter element arranged in the filter body, wherein the bottom of the filter body is provided with a dust recovery port, the side surface of the filter body is provided with a secondary filtered gas inlet pipe, and the top surface of the filter body is provided with a secondary filtered gas outlet pipe; the secondary filtering gas inlet pipe is communicated with the inner cavity of the primary filter above the drying system; one end of the secondary filtered gas outlet pipe is communicated with the inner cavity of the secondary filter above the filter element; and
a third filter having an air inlet and an air outlet and provided with an oil mist separator therein; and the air inlet is communicated with the other end of the secondary filtered gas outlet pipe.
2. The oil-filtering and dust-filtering device of claim 1, wherein the moisture-settling structure is provided with a circuitous rectifying structure, the circuitous rectifying structure comprises spaced transverse baffles protruding from the two side chamber walls of the primary filter, and the transverse baffles on the two side chamber walls are meshed with each other and form a circuitous rectifying channel.
3. The oil and dust filtering device of claim 1, wherein the filter element is a microporous filter element.
4. The oil and dust filtering device according to claim 1, wherein the tertiary filter is a cylindrical barrel, the secondary filtered gas outlet pipe is communicated with the upper end side circumference of the cylindrical barrel in a tangential direction, and the oil mist separator is a spiral air duct formed by spiral cyclone plates arranged on the inner circumference of the cylindrical barrel.
5. The oil-dust filtering apparatus according to claim 1, further comprising: and the fan is arranged at the air outlet of the tertiary filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010278623.0A CN111298583A (en) | 2020-04-10 | 2020-04-10 | Oil filtering and dust filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010278623.0A CN111298583A (en) | 2020-04-10 | 2020-04-10 | Oil filtering and dust filtering device |
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| Publication Number | Publication Date |
|---|---|
| CN111298583A true CN111298583A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010278623.0A Pending CN111298583A (en) | 2020-04-10 | 2020-04-10 | Oil filtering and dust filtering device |
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| CN (1) | CN111298583A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4848988A (en) * | 1988-02-02 | 1989-07-18 | Hisamoto Suzuki | Compressed air dehumidifier |
| JPH07185245A (en) * | 1993-12-24 | 1995-07-25 | Fukuhara:Kk | Deodorization-sterilization apparatus in compressor |
| CN203155017U (en) * | 2012-10-31 | 2013-08-28 | 周鼎力 | A gas purification device |
| CN103691232A (en) * | 2013-12-17 | 2014-04-02 | 成都展望能源机械有限公司 | Natural gas oil-gas separator with inverted circular truncated cone-shaped filter element |
| CN203591673U (en) * | 2013-12-17 | 2014-05-14 | 成都展望能源机械有限公司 | Natural gas oil-gas separator with baffle plate |
| CN103877816A (en) * | 2014-03-18 | 2014-06-25 | 营口华海设备有限公司 | Intelligent-control gas/natural gas filter system |
| CN206027332U (en) * | 2016-08-03 | 2017-03-22 | 哈尔滨灵椿味道食品开发有限公司 | Gas cleaning device is used to hot pot seasoning system of frying |
| CN206793299U (en) * | 2017-04-21 | 2017-12-26 | 江苏航天惠利特环保科技有限公司 | A kind of gas-liquid separator |
-
2020
- 2020-04-10 CN CN202010278623.0A patent/CN111298583A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4848988A (en) * | 1988-02-02 | 1989-07-18 | Hisamoto Suzuki | Compressed air dehumidifier |
| JPH07185245A (en) * | 1993-12-24 | 1995-07-25 | Fukuhara:Kk | Deodorization-sterilization apparatus in compressor |
| CN203155017U (en) * | 2012-10-31 | 2013-08-28 | 周鼎力 | A gas purification device |
| CN103691232A (en) * | 2013-12-17 | 2014-04-02 | 成都展望能源机械有限公司 | Natural gas oil-gas separator with inverted circular truncated cone-shaped filter element |
| CN203591673U (en) * | 2013-12-17 | 2014-05-14 | 成都展望能源机械有限公司 | Natural gas oil-gas separator with baffle plate |
| CN103877816A (en) * | 2014-03-18 | 2014-06-25 | 营口华海设备有限公司 | Intelligent-control gas/natural gas filter system |
| CN206027332U (en) * | 2016-08-03 | 2017-03-22 | 哈尔滨灵椿味道食品开发有限公司 | Gas cleaning device is used to hot pot seasoning system of frying |
| CN206793299U (en) * | 2017-04-21 | 2017-12-26 | 江苏航天惠利特环保科技有限公司 | A kind of gas-liquid separator |
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Application publication date: 20200619 |
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| RJ01 | Rejection of invention patent application after publication |