CN105032047A - Improved structure of dry fume filtering device - Google Patents

Improved structure of dry fume filtering device Download PDF

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Publication number
CN105032047A
CN105032047A CN201510403557.4A CN201510403557A CN105032047A CN 105032047 A CN105032047 A CN 105032047A CN 201510403557 A CN201510403557 A CN 201510403557A CN 105032047 A CN105032047 A CN 105032047A
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waste gas
gas inlet
inlet pipe
dry
ceramic
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CN201510403557.4A
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CN105032047B (en
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贺昶明
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Chengdu Zhi Rong Chuang Intellectual Property Operation Co., Ltd.
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Chengdu Kesheng Petroleum Technology Co Ltd
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Abstract

The invention relates to a dry fume filtering device improved structure comprising a fume collection hood. The output end of the fume collection hood is connected to a waste gas inlet pipe. The output end of the waste gas inlet pipe is threadedly connected to a purification cavity. The output end of the purification cavity is threadedly connected to an exhaust pipe. An active carbon filtering bag is arranged in the exhaust pipe. 2 guiding channels are arranged symmetrically on the axial direction of the inner wall of the purification cavity. One ends of the guiding channels are closed, and the other ends are open. The open ends of the guiding channels are provided with a fixing buckle. A strip-shaped slot is arranged on the opposite side of the two symmetrically arranged guiding channels. Connection pieces are arranged on the two ends of ceramic filters. Fixing columns are connected to the ends of the connection pieces. The length of the fixing columns is larger than the thickness of the ceramic filters. At least 4 ceramic filters are arranged in the purification cavity. A soda lime filter is arranged in front of the active carbon filtering bag in the waste gas inlet pipe. With the improved structure, a problem of poor waste gas filtering effect of an existing purification device is overcome. And a problem of detachment difficulty of a filtering structure arranged inside the existing purification device is also overcome.

Description

A kind of modified node method of dry-type soot filter
Technical field
The present invention relates to oil processing equipment field, particularly, relate to a kind of modified node method of dry-type soot filter.
Background technology
Oil after the refinement of oil refers to exploitation is processed in oil plant, refines.Specifically oil is met the fuel oil such as kerosene, gasoline, fuel oil of internal combustion engine use by distillating method separation of produced, byproduct oil gas and residual oil; The component heavier than fuel oil is converted into fuel oil by the process chemistry such as ardentization, catalytic cracking again, and what these fuel oil had will adopt the techniques such as hydrogenation to refine.
A large amount of waste gas that oil can produce in the process of refining, containing a large amount of particle position and pernicious gas in waste gas, can cause serious environmental pollution, the waste gas thus produced in petroleum refining process can not directly discharge, need first through filtration treatment, could discharge after waste gas purification.
Existing purifier easily causes that waste gas filtering effect is bad, the filtration of the inner setting of purifier is not easy to dismounting.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of modified node method of dry-type soot filter, easily causes to overcome existing purifier the problem that waste gas filtering effect is bad, the filtration of the inner setting of purifier is not easy to dismounting.
The present invention's adopted technical scheme that solves the problem is: a kind of modified node method of dry-type soot filter, comprise poly-petticoat pipe, the output of poly-petticoat pipe is connected with waste gas inlet pipe, waste gas inlet pipe is provided with blower fan, the output of waste gas inlet pipe has been threaded purification chamber, the output in purification chamber has been threaded blast pipe, activated carbon filtration bag is provided with in blast pipe, described purification cavity wall is symmetrically arranged with 2 guide channels in the axial direction, one end of guide channel is closed, the other end is the beginning, the beginning of guide channel is equipped with clip, the side that 2 symmetrically arranged guide channels are relative offers bar-shaped trough, the two ends of ceramic filter are provided with brace, brace end is connected with the fixed leg coordinated with guide channel, the length of fixed leg is greater than the thickness of ceramic filter, 4 ceramic filters are at least provided with in described purification chamber, in waste gas inlet pipe, the front end of activated carbon filtration bag is provided with soda lime filter again.Existing purifier is all generally adopt the sorbing material filling porous in inside, by the harmful substance in the adsorption capacity removing waste gas of hole, it is less that filler is arranged, then cause the clean-up effect of waste gas bad, if that fills is too many, then to cause the blocking of hole, the clean-up effect of waste gas also can be caused bad, and, the filtration of filled type is not quick detachable, soda lime filter bag of the present invention specifically refers to that inside is placed with the mesh bag of soda lime, soda lime effectively can absorb the sulfide in waste gas, the pernicious gases such as carbide, described activated carbon filtration bag specifically refers to that inside is placed with the mesh bag of active carbon, active carbon effectively can absorb the penetrating odor in waste gas, described ceramic filter specifically refers to a kind of porous ceramic structure, effectively precipitation can be caught to the particulate matter in waste gas, porous ceramics is prior art material, it has filtration efficiency, low pressure drop, high flue dust carrying capacity, and it is high temperature resistant, resistance to thermal strain and resistance to thermal contraction, the performance of resistance to chemical attack, described guide channel specifically refers to for placing fixed leg and realizing the movement of fixed leg, clip specifically refers to for fixing fixed leg, fixed leg is avoided to come off in guide channel from the beginning of guide channel, the length of fixed leg specifically refers to that fixed leg is in guide channel length axially, the thickness of ceramic filter specifically refers to that ceramic filter is parallel to the thickness on fixed leg direction, the length of fixed leg is set to the thickness being greater than ceramic filter, make the gap having certain distance between adjacent 2 ceramic filters, realize multiple filtration, waste gas enters lower one deck ceramic filter again and filters after cushioning in gap after last layer ceramic filter, improve filter effect, the problem that the filter effect avoiding the single layer filter of existing purifier filled type to cause is bad, and the front end of activated carbon filtration bag is provided with soda lime filter bag in blast pipe, the gas of being discharged by purification chamber is filtered, improve gas cleaning effect, the front end of activated carbon filtration bag specifically refers to the place that in blast pipe, gas first flows through, the course of work of the present invention: ceramic filter is put into guide channel one by one, fixed leg is made to be arranged in guide channel, brace is through bar-shaped trough, buckle clip, completing ceramic filter is fixed in purification chamber, then by the input in purification chamber, output respectively with waste gas inlet pipe, blast pipe screw thread is twisted and is connect, the input in purification chamber, output specifically refers to the inflow end of waste gas, outflow end, poly-petticoat pipe is for assembling waste gas, waste gas is successively through multi-layer ceramics filter, soda lime filter bag, activated carbon filtration bag filtration, discharge through blast pipe again, dismounting mode of the present invention: after turning on purification chamber, open clip, ceramic filter is poured out one by one from the beginning in purification chamber, simple to operation, so, instant invention overcomes existing purifier easily causes waste gas filtering effect bad, the filtration that purifier inside is arranged is not easy to the problem dismantled.
Further, ceramic filter comprises expanded metal, and expanded metal outer wall wraps up some layers of ceramic fibre.The ceramic filter adopting the mode of ceramic fibre parcel expanded metal to prepare, is convenient to change ceramic fibre on the one hand, avoids ceramic fibre to grow the ceramic hole blocking caused service time, improves the convenience used; The number of plies of ceramic fibre parcel can be decided on the other hand according to the exhaust-gas treatment amount of reality and processing speed, make rational use of resources.
Further, clip is provided with the flexure strip coordinated with guide channel.Flexure strip has certain cushioning effect, avoids rigidity effect when clip directly contacts with fixed leg, is conducive to clip and fixes and protect fixed leg.
Further, the internal diameter of waste gas inlet pipe and purification chamber link is the trend increased gradually at airflow direction.Can play cushioning effect, the exhaust gas pressure entering into waste gas inlet pipe is reduced gradually, and the waste gas avoiding air pressure too high directly acts on ceramic filter, and then produces damage to ceramic filter.
Further, screen pack is provided with in waste gas inlet pipe.The setting of screen pack tentatively can be filtered waste gas, is tackled by larger impurity, affects the filter effect of ceramic filter in the purification chamber avoiding larger impurity to carry out.
Further, poly-petticoat pipe is funnel structure, and one end that funnel structure internal diameter is less is connected with waste gas inlet pipe.Described funnel structure specifically refers to that the interior input without leave of poly-petticoat pipe reduces gradually to output, and what arranged by the internal diameter of poly-petticoat pipe output is comparatively large, is conducive to the absorption to waste gas, improves the absorption efficiency to waste gas.
To sum up, the invention has the beneficial effects as follows:
1, the present invention by arranging guide channel in purification chamber, the beginning of guide channel is provided with clip, the fixed leg arranged by its end for the ceramic filter of filtering exhaust and guide channel, clip coordinate the installation and removal realizing ceramic filter, simply easy to operate.
2, the present invention by being provided with multiple ceramic filter in purification chamber, and adjacent two ceramic filter set of times have gap, realize multiple filtration on the one hand, improve filter effect, on the other hand, gap has certain cushioning effect, enters lower one deck ceramic filter again and filters, improve filter effect after waste gas is cushioned after last layer ceramic filter in gap.
3, the present invention is by adopting the ceramic filter prepared of mode of ceramic fibre parcel expanded metal, is convenient on the one hand change ceramic fibre, avoids ceramic fibre to grow the ceramic hole blocking caused service time, improves the convenience used; The number of plies of ceramic fibre parcel can be decided on the other hand according to the exhaust-gas treatment amount of reality and processing speed, make rational use of resources.
Accompanying drawing explanation
Fig. 1 is the structural representation of purifier;
Fig. 2 is the structural representation of guide channel;
Fig. 3 is the structural representation that guide channel coordinates with ceramic filter;
Fig. 4 is the structural representation of ceramic filter.
Mark and corresponding parts title in accompanying drawing:
1-poly-petticoat pipe; 2-blower fan; 3-waste gas inlet pipe; 4-screen pack; 5-purification chamber; 6-ceramic filter; 7-soda lime filter; 8-blast pipe; 9-activated carbon filtration bag; 51-guide channel; 52-clip; 53-flexure strip; 54-bar-shaped trough; 61-fixed leg; 62-brace.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment:
As shown in Figures 1 to 4, a kind of modified node method of dry-type soot filter, comprise poly-petticoat pipe 1, poly-petticoat pipe 1 is funnel structure, one end that funnel structure internal diameter is less is connected with waste gas inlet pipe 3, be provided with in waste gas inlet pipe 3 on screen pack 4 waste gas inlet pipe 3 and be provided with blower fan 2, the output of waste gas inlet pipe 3 has been threaded and has purified chamber 5, the internal diameter of waste gas inlet pipe 3 and purification chamber 5 link is the trend increased gradually at airflow direction, the output in purification chamber 5 has been threaded blast pipe 8, activated carbon filtration bag 9 is provided with in blast pipe 8, described purification chamber 5 inwall is symmetrically arranged with 2 guide channels 51 in the axial direction, one end of guide channel 51 is closed, the other end is the beginning, the beginning of guide channel 51 is equipped with clip 52, clip 52 is provided with the flexure strip 53 coordinated with guide channel 51, the side that 2 symmetrically arranged guide channels 51 are relative offers bar-shaped trough 54, the two ends of ceramic filter 6 are provided with brace 62, brace 62 end is connected with the fixed leg 61 coordinated with guide channel 51, the length of fixed leg 61 is greater than the thickness of ceramic filter 6, 4 ceramic filters 6 are provided with in described purification chamber 5, ceramic filter 6 comprises expanded metal, expanded metal outer wall wraps up some layers of ceramic fibre, in waste gas inlet pipe 3, the front end of activated carbon filtration bag 9 is provided with soda lime filter 7 again.
As mentioned above, the present invention can be realized preferably.

Claims (6)

1. the modified node method of a dry-type soot filter, it is characterized in that, comprise poly-petticoat pipe (1), the output of poly-petticoat pipe (1) is connected with waste gas inlet pipe (3), waste gas inlet pipe (3) is provided with blower fan (2), the output of waste gas inlet pipe (3) has been threaded purification chamber (5), the output of purification chamber (5) has been threaded blast pipe (8), activated carbon filtration bag (9) is provided with in blast pipe (8), described purification chamber (5) inwall is symmetrically arranged with 2 guide channels (51) in the axial direction, one end of guide channel (51) is closed, the other end is the beginning, the beginning of guide channel (51) is equipped with clip (52), the relative side of 2 symmetrically arranged guide channels (51) offers bar-shaped trough (54), the two ends of ceramic filter (6) are provided with brace (62), brace (62) end is connected with the fixed leg (61) coordinated with guide channel (51), the length of fixed leg (61) is greater than the thickness of ceramic filter (6), 4 ceramic filters (6) are at least provided with in described purification chamber (5), in waste gas inlet pipe (3), the front end of activated carbon filtration bag (9) is provided with soda lime filter (7) again.
2. the modified node method of a kind of dry-type soot filter according to claim 1, is characterized in that, described ceramic filter (6) comprises expanded metal, and expanded metal outer wall wraps up some layers of ceramic fibre.
3. the modified node method of a kind of dry-type soot filter according to claim 1, is characterized in that, described clip (52) is provided with the flexure strip (53) coordinated with guide channel (51).
4. according to the modified node method of the arbitrary described a kind of dry-type soot filter of claims 1 to 3, it is characterized in that, the internal diameter of described waste gas inlet pipe (3) and purification chamber (5) link is the trend increased gradually at airflow direction.
5. the modified node method of a kind of dry-type soot filter according to claim 4, is characterized in that, is provided with screen pack (4) in described waste gas inlet pipe (3).
6. the modified node method of a kind of dry-type soot filter according to claim 5, is characterized in that, described poly-petticoat pipe (1) is funnel structure, and one end that funnel structure internal diameter is less is connected with waste gas inlet pipe (3).
CN201510403557.4A 2015-07-12 2015-07-12 Improved structure of dry fume filtering device Active CN105032047B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106268097A (en) * 2016-09-30 2017-01-04 中国恩菲工程技术有限公司 Filtrating equipment of flue gas
CN106621745A (en) * 2016-12-26 2017-05-10 江南大学 Bamboo joint series-combined vacuum-pumping exhaust gas purification pipe
CN107413131A (en) * 2017-08-11 2017-12-01 合肥达科环保科技有限公司 A kind of furniture drying boiler waste gas purification device
CN107983026A (en) * 2017-12-01 2018-05-04 江西元亿实业发展有限公司 A kind of exhaust purifier
CN108970329A (en) * 2018-08-17 2018-12-11 萍乡学院 A kind of novel VOC concentration systems
CN113680151A (en) * 2020-05-19 2021-11-23 中国石油天然气集团有限公司 Device and method for dedusting and desulfurizing tail gas of thermal desorption system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2829859Y (en) * 2005-10-31 2006-10-25 大连天蓝环保设备有限公司 Fume purifier for kitchen
US20090038294A1 (en) * 2007-08-09 2009-02-12 Anderson Matthew L Tuning Particulate Filter Performance Through Selective Plugging and Use of Multiple Particulate Filters to Reduce Emissions and Improve Thermal Robustness
US20100202934A1 (en) * 2007-04-27 2010-08-12 Wolfgang Hahnl Exhaust gas purification device for an exhaust system
CN103127795A (en) * 2013-02-07 2013-06-05 中国恩菲工程技术有限公司 Smoke processing method and smoke processing system
CN203899341U (en) * 2014-06-16 2014-10-29 周伯冲 Air purification device
CN204911027U (en) * 2015-07-12 2015-12-30 成都科盛石油科技有限公司 Oil gas cleaning device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2829859Y (en) * 2005-10-31 2006-10-25 大连天蓝环保设备有限公司 Fume purifier for kitchen
US20100202934A1 (en) * 2007-04-27 2010-08-12 Wolfgang Hahnl Exhaust gas purification device for an exhaust system
US20090038294A1 (en) * 2007-08-09 2009-02-12 Anderson Matthew L Tuning Particulate Filter Performance Through Selective Plugging and Use of Multiple Particulate Filters to Reduce Emissions and Improve Thermal Robustness
CN103127795A (en) * 2013-02-07 2013-06-05 中国恩菲工程技术有限公司 Smoke processing method and smoke processing system
CN203899341U (en) * 2014-06-16 2014-10-29 周伯冲 Air purification device
CN204911027U (en) * 2015-07-12 2015-12-30 成都科盛石油科技有限公司 Oil gas cleaning device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106268097A (en) * 2016-09-30 2017-01-04 中国恩菲工程技术有限公司 Filtrating equipment of flue gas
CN106621745A (en) * 2016-12-26 2017-05-10 江南大学 Bamboo joint series-combined vacuum-pumping exhaust gas purification pipe
CN107413131A (en) * 2017-08-11 2017-12-01 合肥达科环保科技有限公司 A kind of furniture drying boiler waste gas purification device
CN107983026A (en) * 2017-12-01 2018-05-04 江西元亿实业发展有限公司 A kind of exhaust purifier
CN108970329A (en) * 2018-08-17 2018-12-11 萍乡学院 A kind of novel VOC concentration systems
CN113680151A (en) * 2020-05-19 2021-11-23 中国石油天然气集团有限公司 Device and method for dedusting and desulfurizing tail gas of thermal desorption system

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Effective date of registration: 20181213

Address after: 610000 Rong Ou, 144 Qingbaijiang Road, Chengdu, Sichuan.

Patentee after: Chengdu Zhi Rong Chuang Intellectual Property Operation Co., Ltd.

Address before: 610000 Chengdu hi tech Zone Shiyang Industrial Park, Sichuan

Patentee before: Chengdu Kesheng Petroleum Technology Co., Ltd.

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