CN103405966A - Multi-stage filtration system of ceramic membrane tube for separation and dust removal of high-temperature flue gas - Google Patents
Multi-stage filtration system of ceramic membrane tube for separation and dust removal of high-temperature flue gas Download PDFInfo
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- CN103405966A CN103405966A CN2013103943582A CN201310394358A CN103405966A CN 103405966 A CN103405966 A CN 103405966A CN 2013103943582 A CN2013103943582 A CN 2013103943582A CN 201310394358 A CN201310394358 A CN 201310394358A CN 103405966 A CN103405966 A CN 103405966A
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Abstract
The invention discloses a multi-stage filtration system of a ceramic membrane tube for separation and dust removal of a high-temperature flue gas. The multi-stage filtration system comprises coarse filtration by a first-stage metal filter net, semi-finishing filtration by a second-stage metal filter net, and precise filtration by a last-stage ceramic membrane tube. The multi-stage filtration system is characterized in that a high-temperature resistant metal filter net for coarse filtration is coated on the outer side of a taper bracket, so as to form a taper filter net; a rotating shaft is arranged at the center of the taper bracket; a second-stage semi-finishing filtration device is the same as a first-stage coarse filtration device in structure; the aperture of the metal filter net for semi-finishing filtration is smaller than that of the metal filter net for coarse filtration; a high-temperature gas flowing out from a semi-finishing filtration net filter enters an annular cylindrical space between the ceramic membrane tube and a drum after passing through notches of a plurality of bevel slots which are evenly distributed in the outer side of the ceramic membrane tube and in a drum which is separated from the ceramic membrane tube at a certain distance, and then is jetted from the bevel slots to form a gas stream which rotates in a ring; the gas stream rotating in the ring enters the ceramic membrane tube to filter and clean the ceramic membrane tube.
Description
Technical field
The present invention relates to separate for the High Temperature Gas cigarette ceramic-film tube multistage filtering system of dedusting, be applicable to the dedusting that separates of all high-temperature gases and high-temperature flue gas, belong to high-temperature gas and separate sciemtifec and technical sphere.
Background technology
In the high-temperature gas separation industries, maximum problem is the heat-resisting quantity of meticulous separator, the present invention utilizes ceramic-film tube separating high-temp gas, and the maximum characteristics of ceramic-film tube are high temperature resistant, withstand voltage, acid and alkali-resistance, corrosion-resistant, economy and durability, just so far not invention group technology is preferably arranged.
Summary of the invention
The purpose of this invention is to provide and a kind ofly utilize resistant to elevated temperatures metal filter screen to carry out one-level coarse filtration and secondary half essence to filter, and then utilize ceramic-film tube to carry out the ceramic-film tube multistage filtering system of separating dedusting for the High Temperature Gas cigarette of fine filtering.
Be used for the ceramic-film tube multistage filtering system that the High Temperature Gas cigarette separates dedusting, comprise the coarse filtration of one-level metal filter screen, half essence filtration of secondary metal filter screen and the essence filtration of afterbody ceramic-film tube; It is characterized in that:
1, the refractory metal screen pack of coarse filtration is wrapped in the support outside formation taper screen pack of a taper, there is rotating shaft at the conical support center, conical support can together rotate with rotating shaft together with the metal filter screen be wrapped on conical support, conical support is arranged in a resistant to elevated temperatures filter housing together with the metal filter screen and the rotating shaft that are wrapped on conical support, driven by motor rotating shaft and conical support are together with the metal filter screen rotation be wrapped on conical support, but resistant to elevated temperatures shell does not rotate, high-temperature gas enters from the end of shell near the conical support cone angle, then through the metal filter screen of conical support outer wrapping will be thicker high-temperature gas impurity and the contamination filtrating detention in the metal filter screen outside, high-temperature gas through filtering enters in the cone of conical support, and enter secondary half essence filtration through the cone underflow, after filtering, through the ceramic-film tube filter, filters again secondary half fine filter, secondary half fine filtering apparatus and one-level coarse filtration apparatus structure are just the same, just the metal filtration screen distance of the metal filter screen aperture ratio coarse filtration of half essence filtration is little, so high-temperature gas impurity and dirt less after the one-level coarse filtration are filtered detention in the half smart screen pack outside, and, after the high-temperature gas that half smart screen pack filters is flowed through half smart screen pack filter and ceramic filter tube connector, enter the ceramic-film tube filter that essence is filtered, high-temperature gas from half smart screen pack filter and the inflow of ceramic filter tube connector, through in the ceramic-film tube outside and and after ceramic-film tube has a plurality of angle groove notches uniform on the drum of certain distance to enter the ring-shaped cylinder space between ceramic-film tube and drum, high-temperature gas sprays the gas flow that forms ring rotation from the angle groove, the gas flow of these ring rotations is impacting the outer surface of ceramic-film tube on the one hand, and filtration detention impurity and the dirt of ceramic-film tube outer surface are hit down, the gas flow of these ring rotations enters in ceramic-film tube through the micropore of ceramic-film tube on the other hand, simultaneously diameter is greater than to the impurity in ceramic membrane aperture 1/20 ~ 1/30 and the dirt detention outside at ceramic-film tube, thereby the high-temperature gas that makes to enter space in ceramic-film tube is realized high-precision isolated by filtration, according to the optional majority porous ceramic filter element of filtering accuracy, micro-filtration membrane, the ceramic-film tube such as milipore filter and NF membrane, the filtering accuracy of ceramic-film tube can reach the requirement of 0.1 μ m ~ 300 μ m, operating temperature can reach 800 ℃, operating pressure can reach 6MPa, pressure reduction can reach 1MPa.
2, the conical support of one-level coarse filtration device and secondary half fine filtering apparatus rotates around the shaft, there is a scraper plate in the metal filter screen outside at conical support and parcel, the scraper plate lower spring is arranged under scraper plate, make scraper plate can be pressed in lighter dynamics the outer metal filter screen outer surface of conical support, and filter the metal filter screen of the support of rotation and the parcel outside under the impurity of detention and dirt scraping and drop in oblique funnel, then along oblique funnel, fall into automatic discharge device; When the impurity had in the dirt storage room of automatic discharge device and dirt reach certain mass, the opening-closing plate handle of pressing the opening-closing plate with the dirt storage room bottom to be integrated due to the gas pressure effect of gravity and high-temperature gas top, opening-closing plate presses off closing plate to top the power spring active force of upside, opening-closing plate is opened downwards, impurity and dirt flow out dirt storage room, then opening-closing plate the effect of the power spring power of upside, makes opening-closing plate be returned to immediately closed condition because of opening-closing plate.
3, the scraper plate in one-level coarse filtration device and secondary half fine filtering apparatus, with lighter dynamics, be pressed in the outer metal filter screen outer surface of conical support, by being wrapped in the metal filter screen outside on the support of rotation, filtering under the impurity of detention and dirt scraping and drop in oblique funnel, so just can equipment out of service carry out impurity and the dirt of filtration detention outside the clean metal screen pack; Equally, high-temperature gas sprays the gas flow that forms ring rotation from the angle groove, the gas flow of these ring rotations is impacting the outer surface of ceramic-film tube, and filtration detention impurity and the dirt of ceramic-film tube outer surface are hit down, thereby need not come the cleaning ceramic film pipe outside to filter impurity and the dirt of detention by equipment out of service.
4, the rotation of the conical support in one-level coarse filtration device and secondary half fine filtering apparatus, make the inwall of the conical support the rotated cone end and metal filter screen and filter housing form certain gap, in the outside in this gap namely away from a side of conical support cone angle, the jet-impingement mouth of one circle high-temperature gas is installed, make the cone angle direction of the high-temperature gas of its injection towards conical support, and spraying into the space between metal filter screen and filter housing inwall with higher linear velocity, these high-temperature gases are from the arm of high-temperature gas to be filtered.
5, the present invention also can be in order to the separation of solution-air, liquid-liquid, the polymorphic type medium such as liquid-solid, gas-solid.
The present invention compared with prior art has the following advantages:
1, metal filter screen has from function and the ceramic-film tube filter internal cyclone self-cleaning ceramic film pipe function of scraping cleaning impurity screening and dirt, and system does not need to stop to remove impurity and the dirt in screen pack and the filter membrane outside.
2, support and the filter housing inwall sealing gland of utilizing gas-tight sealing to rotate, thus without mechanical devices such as utilizing sealing ring, seal.
3,
The accompanying drawing explanation
Fig. 1 is embodiment of the present invention structural representation;
Fig. 2 is middle A-A generalized section embodiment illustrated in fig. 1;
Fig. 3 is middle woven wire filter schematic diagram embodiment illustrated in fig. 1;
Fig. 4 is middle B-B generalized section embodiment illustrated in fig. 3;
Fig. 5 is middle automatic discharge device schematic diagram embodiment illustrated in fig. 1;
Fig. 6 is middle M enlarged diagram embodiment illustrated in fig. 3.
In Fig. 1-6: 1, single filter entrance 2, rotating shaft 3, filter housing 4, oblique funnel 5, scraper plate 6, screen pack filters gas 7, one-level metal filter screen 8, coarse filtration web filter and half smart screen pack filter tube connector 9, half smart screen pack 10, automatic discharge device 11, half smart screen pack filter and ceramic filter tube connector 12, angle groove 13, ceramic-film tube 14, sewage draining exit 15, smudged leakage hole 16, ceramic membrane filters gas 17, ceramic membrane filtering air 18, angle groove air-flow 19, the outer air chamber 20 of ceramic-film tube, ceramic-film tube filter housing 21, ceramic-film tube air entraining pipe 22, gas flow sealing device 23, scraper plate lower spring 24, opening-closing plate is 25, power spring 26, power spring fixed head 27, opening-closing plate rotating shaft 28, opening-closing plate 29, filter dirty material 30, automatic discharge device entrance 31, dirt storage room 32, jet-impingement mouth 33, the jet-stream wind entrance.
The specific embodiment
In the embodiment shown in Fig. 1-6: for the High Temperature Gas cigarette, separate the ceramic-film tube multistage filtering system of dedusting, comprise the coarse filtration of one-level metal filter screen 7, half essence filtration of secondary metal filter screen and the essence filtration of afterbody ceramic-film tube 13, it is characterized in that: the support outside that the refractory metal screen pack of coarse filtration is wrapped in a taper forms the taper screen pack, there is rotating shaft 2 at the conical support center, conical support can together rotate with rotating shaft 2 together with the metal filter screen be wrapped on conical support, conical support is arranged in a resistant to elevated temperatures filter housing 3 together with the metal filter screen and the rotating shaft 2 that are wrapped on conical support, driven by motor rotating shaft 2 and conical support are together with the metal filter screen rotation be wrapped on conical support, but resistant to elevated temperatures shell does not rotate, high-temperature gas enters from the end of shell near the conical support cone angle, then through the metal filter screen of conical support outer wrapping will be thicker high-temperature gas impurity and the contamination filtrating detention in the metal filter screen outside, high-temperature gas through filtering enters in the cone of conical support, and enter secondary half essence filtration through the cone underflow, after filtering, through ceramic-film tube 13 filters, filters again secondary half fine filter, secondary half fine filtering apparatus and one-level coarse filtration apparatus structure are just the same, just the metal filtration screen distance of the metal filter screen aperture ratio coarse filtration of half essence filtration is little, so high-temperature gas impurity and dirt less after the one-level coarse filtration are filtered detention in half smart screen pack 9 outsides, and, after the high-temperature gas that half smart screen pack 9 filters is flowed through half smart screen pack filter and ceramic filter tube connector 11, enter ceramic-film tube 13 filters that essence is filtered, high-temperature gas from half smart screen pack filter and 11 inflows of ceramic filter tube connector, through in ceramic-film tube 13 outsides and and after ceramic-film tube 13 has a plurality of angle groove 12 notches uniform on the drum of certain distance to enter the ring-shaped cylinder space between ceramic-film tube 13 and drum, high-temperature gas sprays from angle groove 12 gas flow that forms ring rotation, the gas flow of these ring rotations is impacting the outer surface of ceramic-film tube 13 on the one hand, and filtration detention impurity and the dirt of ceramic-film tube 13 outer surfaces are hit down, the gas flow of these ring rotations enters in ceramic-film tube 13 through the micropore of ceramic-film tube 13 on the other hand, simultaneously diameter is greater than to the impurity in ceramic membrane aperture 1/20 ~ 1/30 and the dirt detention outside at ceramic-film tube 13, thereby the high-temperature gas that makes to enter ceramic-film tube 13 interior spaces is realized high-precision isolated by filtration, according to the optional majority porous ceramic filter element of filtering accuracy, micro-filtration membrane, the ceramic-film tube such as milipore filter and NF membrane 13, the filtering accuracy of ceramic-film tube 13 can reach the requirement of 0.1 μ m ~ 300 μ m, operating temperature can reach 800 ℃, operating pressure can reach 6MPa, pressure reduction can reach 1MPa.
The conical support of one-level coarse filtration device and secondary half fine filtering apparatus is 2 rotations around the shaft, there is a scraper plate 5 in the metal filter screen outside at conical support and parcel, scraper plate has scraper plate lower spring 23 5 times, make scraper plate 5 can be pressed in lighter dynamics the outer metal filter screen outer surface of conical support, and filter the metal filter screen of the support of rotation and the parcel outside under the impurity of detention and dirt scraping and drop in oblique funnel 4, then along oblique funnel 4, fall into automatic discharge device 10; When the impurity had in the dirt storage room 31 of automatic discharge device 10 and dirt reach certain mass, because the gas pressure effect of gravity and high-temperature gas top presses opening-closing plate that the opening-closing plate 28 with dirt storage room 31 bottoms is integrated 24, opening-closing plate presses off closing plate to 24 tops power spring 25 active forces of 24 upsides, opening-closing plate 28 is opened downwards, impurity and dirt flow out dirt storage room 31, then opening-closing plate 28 the effect of power spring 25 power of 24 upsides, makes opening-closing plate 28 be returned to immediately closed condition because of opening-closing plate.
Conical support rotation in one-level coarse filtration device and secondary half fine filtering apparatus, make the inwall of the conical support the rotated cone end and metal filter screen and filter housing 3 form certain gap, in the outside in this gap namely away from a side of conical support cone angle, the jet-impingement mouth of one circle high-temperature gas is installed, make the cone angle direction of the high-temperature gas of its injection towards conical support, and spraying into the space between metal filter screen and filter housing 3 inwalls with higher linear velocity, these high-temperature gases are from the arm of high-temperature gas to be filtered.
Claims (2)
1. for the High Temperature Gas cigarette, separate the ceramic-film tube multistage filtering system of dedusting, comprise the coarse filtration of one-level metal filter screen (7), half essence filtration of secondary metal filter screen and the essence filtration of afterbody ceramic-film tube (13), it is characterized in that: the support outside that the refractory metal screen pack of coarse filtration is wrapped in a taper forms the taper screen pack, there is rotating shaft (2) at the conical support center, conical support can together rotate with rotating shaft (2) together with the metal filter screen be wrapped on conical support, conical support is arranged in a resistant to elevated temperatures filter housing (3) together with the metal filter screen and the rotating shaft (2) that are wrapped on conical support, driven by motor rotating shaft (2) and conical support are together with the metal filter screen rotation be wrapped on conical support, but resistant to elevated temperatures shell does not rotate, high-temperature gas enters from the end of shell near the conical support cone angle, then through the metal filter screen of conical support outer wrapping will be thicker high-temperature gas impurity and the contamination filtrating detention in the metal filter screen outside, high-temperature gas through filtering enters in the cone of conical support, and enter secondary half essence filtration through the cone underflow, after filtering, through ceramic-film tube (13) filter, filters again secondary half fine filter, secondary half fine filtering apparatus and one-level coarse filtration apparatus structure are just the same, just the metal filtration screen distance of the metal filter screen aperture ratio coarse filtration of half essence filtration is little, so high-temperature gas impurity and dirt less after the one-level coarse filtration are filtered detention in half smart screen pack (9) outside, and, after the high-temperature gas that half smart screen pack (9) filters is flowed through half smart screen pack filter and ceramic filter tube connector (11), enter ceramic-film tube (13) filter that essence is filtered, high-temperature gas from half smart screen pack filter and ceramic filter tube connector (11) inflow, through in ceramic-film tube (13) outside and and after ceramic-film tube (13) has a plurality of angle grooves (12) notch uniform on the drum of certain distance to enter the ring-shaped cylinder space between ceramic-film tube (13) and drum, high-temperature gas sprays the gas flow that forms ring rotation from angle groove (12), the gas flow of these ring rotations is impacting the outer surface of ceramic-film tube (13) on the one hand, and filtration detention impurity and the dirt of ceramic-film tube (13) outer surface are hit down, the gas flow of these ring rotations enters in ceramic-film tube (13) through the micropore of ceramic-film tube (13) on the other hand, simultaneously diameter is greater than to the impurity in ceramic membrane aperture 1/20 ~ 1/30 and the dirt detention outside in ceramic-film tube (13), thereby the high-temperature gas that makes to enter the interior space of ceramic-film tube (13) is realized high-precision isolated by filtration, according to the optional majority porous ceramic filter element of filtering accuracy, micro-filtration membrane, the ceramic-film tube such as milipore filter and NF membrane (13), the filtering accuracy of ceramic-film tube (13) can reach the requirement of 0.1 μ m ~ 300 μ m, operating temperature can reach 800 ℃, operating pressure can reach 6MPa, pressure reduction can reach 1MPa, the conical support of one-level coarse filtration device and secondary half fine filtering apparatus is (2) rotation around the shaft, there is a scraper plate (5) in the metal filter screen outside at conical support and parcel, scraper plate lower spring (23) is arranged under scraper plate (5), make scraper plate (5) can be pressed in lighter dynamics the outer metal filter screen outer surface of conical support, and filter the metal filter screen of the support of rotation and the parcel outside under the impurity of detention and dirt scraping and drop in oblique funnel (4), then along oblique funnel (4), fall into automatic discharge device (10), when the impurity had in the dirt storage room (31) of automatic discharge device (10) and dirt reach certain mass, because the gas pressure effect of gravity and high-temperature gas top presses opening-closing plate that the opening-closing plate (28) with dirt storage room (31) bottom is integrated (24), opening-closing plate presses off closing plate to (24) top power spring (25) active force of (24) upside, opening-closing plate (28) is opened downwards, impurity and dirt flow out dirt storage room (31), then opening-closing plate (28) is because of the effect of power spring (25) power of (24) upside of opening-closing plate handle, make opening-closing plate (28) be returned to immediately closed condition, scraper plate (5) in one-level coarse filtration device and secondary half fine filtering apparatus, with lighter dynamics, be pressed in the outer metal filter screen outer surface of conical support, by being wrapped in the metal filter screen outside on the support of rotation, filtering under the impurity of detention and dirt scraping and drop in oblique funnel (4), so just can equipment out of service carry out impurity and the dirt of filtration detention outside the clean metal screen pack, equally, high-temperature gas sprays the gas flow that forms ring rotation from angle groove (12), the gas flow of these ring rotations is impacting the outer surface of ceramic-film tube (13), and filtration detention impurity and the dirt of ceramic-film tube (13) outer surface are hit down, thereby need not come cleaning ceramic film pipe (13) outside to filter impurity and the dirt of detention by equipment out of service.
2. ceramic-film tube multistage filtering system of separating dedusting for the High Temperature Gas cigarette as claimed in claim 1, it is characterized in that: the conical support rotation in one-level coarse filtration device and secondary half fine filtering apparatus, make the inwall of the conical support the rotated cone end and metal filter screen and filter housing (3) form certain gap, in the outside in this gap namely away from a side of conical support cone angle, the jet-impingement mouth of one circle high-temperature gas is installed, make the cone angle direction of the high-temperature gas of its injection towards conical support, and spray into the space between metal filter screen and filter housing (3) inwall with higher linear velocity, these high-temperature gases are from the arm of high-temperature gas to be filtered.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103943582A CN103405966A (en) | 2013-09-03 | 2013-09-03 | Multi-stage filtration system of ceramic membrane tube for separation and dust removal of high-temperature flue gas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103943582A CN103405966A (en) | 2013-09-03 | 2013-09-03 | Multi-stage filtration system of ceramic membrane tube for separation and dust removal of high-temperature flue gas |
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| CN103405966A true CN103405966A (en) | 2013-11-27 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109621564A (en) * | 2018-11-27 | 2019-04-16 | 佛山市科蓝环保科技股份有限公司 | A kind of filter screen automatic cleaning apparatus |
| CN111111461A (en) * | 2020-01-03 | 2020-05-08 | 山东润德生物科技有限公司 | Separation system for ceramic membrane process |
| CN111135642A (en) * | 2020-01-07 | 2020-05-12 | 华北电力大学（保定） | Air purifying and filtering mechanism for indoor air conditioner pipeline |
| CN111578285A (en) * | 2020-05-25 | 2020-08-25 | 重庆知翔科技有限公司 | Waste incineration treatment device |
| CN111578286A (en) * | 2020-05-25 | 2020-08-25 | 重庆知翔科技有限公司 | Garbage incineration device |
| CN111578287A (en) * | 2020-05-25 | 2020-08-25 | 重庆知翔科技有限公司 | Waste incineration equipment |
| CN114874874A (en) * | 2022-04-21 | 2022-08-09 | 广西平乐栊珑农业开发有限公司 | Production method of novel persimmon fruit vinegar |
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2013
- 2013-09-03 CN CN2013103943582A patent/CN103405966A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621564A (en) * | 2018-11-27 | 2019-04-16 | 佛山市科蓝环保科技股份有限公司 | A kind of filter screen automatic cleaning apparatus |
| CN111111461A (en) * | 2020-01-03 | 2020-05-08 | 山东润德生物科技有限公司 | Separation system for ceramic membrane process |
| CN111135642A (en) * | 2020-01-07 | 2020-05-12 | 华北电力大学（保定） | Air purifying and filtering mechanism for indoor air conditioner pipeline |
| CN111578285A (en) * | 2020-05-25 | 2020-08-25 | 重庆知翔科技有限公司 | Waste incineration treatment device |
| CN111578286A (en) * | 2020-05-25 | 2020-08-25 | 重庆知翔科技有限公司 | Garbage incineration device |
| CN111578287A (en) * | 2020-05-25 | 2020-08-25 | 重庆知翔科技有限公司 | Waste incineration equipment |
| CN111578285B (en) * | 2020-05-25 | 2022-04-19 | 宁夏中科国通新能源有限公司 | Waste incineration treatment device |
| CN111578287B (en) * | 2020-05-25 | 2022-07-12 | 广州环投永兴集团股份有限公司 | Waste incineration equipment |
| CN111578286B (en) * | 2020-05-25 | 2022-10-21 | 西安聚源信息科技有限公司 | Garbage incineration device |
| CN114874874A (en) * | 2022-04-21 | 2022-08-09 | 广西平乐栊珑农业开发有限公司 | Production method of novel persimmon fruit vinegar |
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Application publication date: 20131127 |