CN105935524A - Filter membrane for primary dedusting of industrial flue gas - Google Patents
Filter membrane for primary dedusting of industrial flue gas Download PDFInfo
- Publication number
- CN105935524A CN105935524A CN201610457972.2A CN201610457972A CN105935524A CN 105935524 A CN105935524 A CN 105935524A CN 201610457972 A CN201610457972 A CN 201610457972A CN 105935524 A CN105935524 A CN 105935524A
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- China
- Prior art keywords
- layer
- filter membrane
- filter
- gross porosity
- flue gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a filter membrane for primary dedusting of industrial flue gas. The filter membrane comprises a first coarse hole filter layer, a second coarse hole filter layer, a membrane support layer, a first polysulfone nano fiber pre-filter membrane layer, and a second polysulfone nano fiber pre-filter membrane layer. The second coarse hole filter layer, the membrane support layer, the first polysulfone nano fiber pre-filter membrane layer, and the second polysulfone nano fiber pre-filter membrane layer are sequentially arranged on the inner surface of the first coarse hole filter layer from inner to outer. Through the technical scheme mentioned above, the filter membrane can fully filter dusts in flue gas, the filtering efficiency on ultrafine dust particles is high, and the work efficiency of denitration and desulfurization can be improved.
Description
Technical field
The present invention relates to filter membrane field, particularly relate to a kind of filter membrane for industrial smoke primary dust removing.
Background technology
Along with China's expanding economy, the environmental pollution brought in energy-consuming is the most increasingly severe.Wherein the destruction of atmospheric aerosol, acid rain, greenhouse effect and ozone layer has become four big killers of harm people's existence.The harmful substances such as flue dust contained by coal-fired flue-gas, sulfur dioxide, nitrogen oxides are the main contributors causing atmospheric pollution, acid rain and greenhouse effect.Frequently there is the disaster of acid rain and acid mist in the most a sheet of region of south China and Localities In Southwest.The energy that China's fire coal obtains reaches more than the 75% of energy total amount, and this energy resource structure will not change in recent years.Meanwhile in coal-fired flue-gas, sulfur dioxide and the nitrogen oxides of discharge account for the 90% of whole nation total release.Therefore in China, coal-fired flue-gas being carried out desulphurization denitration is instant task.
Flue gas first to carry out pretreatment before desulphurization denitration, but, the pretreatment of current flue gas is low to the filter efficiency of ultrafine dust granule, to such an extent as to has had influence on the denitration desulfurized effect in later stage.
Summary of the invention
The technical problem that present invention mainly solves is to provide abundant to the dust-filtering in flue gas of a kind of filter membrane for industrial smoke primary dust removing, high to the filter efficiency of ultrafine dust granule, it is possible to increase the work efficiency of desulphurization denitration.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of filter membrane for industrial smoke primary dust removing, including: the first gross porosity filter course, the second gross porosity filter course, film supporting layer, the first polysulfones nanofiber pre-filtering film layer and the second polysulfones nanofiber pre-filtering film layer, the inner surface of the first described gross porosity filter course is disposed with the second described gross porosity filter course, described film supporting layer, the first described polysulfones nanofiber pre-filtering film layer and the second described polysulfones nanofiber pre-filtering film layer outward by interior.
In a preferred embodiment of the present invention, the thickness of the first described gross porosity filter course is more than the thickness of the second gross porosity filter course.
In a preferred embodiment of the present invention, the thickness of the first described polysulfones nanofiber pre-filtering film layer and the thickness of the second polysulfones nanofiber pre-filtering film layer are identical.
In a preferred embodiment of the present invention, described film supporting layer is ceramic filter membrane layer.
The invention has the beneficial effects as follows: the present invention is abundant to the dust-filtering in flue gas, high to the filter efficiency of ultrafine dust granule, it is possible to increase the work efficiency of desulphurization denitration.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the present invention structural representation for filter membrane one preferred embodiment of industrial smoke primary dust removing；
In accompanying drawing, the labelling of each parts is as follows: 1, the first gross porosity filter course, the 2, second gross porosity filter course, and 3, film supporting layer, the 4, first polysulfones nanofiber pre-filtering film layer, the 5, second polysulfones nanofiber pre-filtering film layer.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1, the embodiment of the present invention includes:
A kind of filter membrane for industrial smoke primary dust removing, including: first gross porosity filter course the 1, second gross porosity filter course 2, film supporting layer the 3, first polysulfones nanofiber pre-filtering film layer 4 and the second polysulfones nanofiber pre-filtering film layer 5, the inner surface of the first described gross porosity filter course 1 is disposed with the second described gross porosity filter course 2, described film supporting layer 3, the first described polysulfones nanofiber pre-filtering film layer 4 and the second described polysulfones nanofiber pre-filtering film layer 5 outward by interior.
In the present invention, the thickness of the first described gross porosity filter course 1 is more than the thickness of the second gross porosity filter course 2.
In the present invention, the thickness of the first described polysulfones nanofiber pre-filtering film layer 4 and the thickness of the second polysulfones nanofiber pre-filtering film layer 5 are identical.
In the present invention, described film supporting layer 3 is ceramic filter membrane layer.
The present invention provides the benefit that for the filter membrane of industrial smoke primary dust removing: the present invention is abundant to the dust-filtering in flue gas, high to the filter efficiency of ultrafine dust granule, it is possible to increase the work efficiency of desulphurization denitration.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (4)
1. the filter membrane for industrial smoke primary dust removing, it is characterized in that, including: the first gross porosity filter course, the second gross porosity filter course, film supporting layer, the first polysulfones nanofiber pre-filtering film layer and the second polysulfones nanofiber pre-filtering film layer, the inner surface of the first described gross porosity filter course is disposed with the second described gross porosity filter course, described film supporting layer, the first described polysulfones nanofiber pre-filtering film layer and the second described polysulfones nanofiber pre-filtering film layer outward by interior.
Filter membrane for industrial smoke primary dust removing the most according to claim 1, it is characterised in that the thickness of the first described gross porosity filter course is more than the thickness of the second gross porosity filter course.
Filter membrane for industrial smoke primary dust removing the most according to claim 1, it is characterised in that the thickness of the first described polysulfones nanofiber pre-filtering film layer and the thickness of the second polysulfones nanofiber pre-filtering film layer are identical.
Filter membrane for industrial smoke primary dust removing the most according to claim 1, it is characterised in that described film supporting layer is ceramic filter membrane layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457972.2A CN105935524A (en) | 2016-06-23 | 2016-06-23 | Filter membrane for primary dedusting of industrial flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457972.2A CN105935524A (en) | 2016-06-23 | 2016-06-23 | Filter membrane for primary dedusting of industrial flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105935524A true CN105935524A (en) | 2016-09-14 |
Family
ID=56872718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610457972.2A Pending CN105935524A (en) | 2016-06-23 | 2016-06-23 | Filter membrane for primary dedusting of industrial flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105935524A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328478A (en) * | 1998-11-26 | 2001-12-26 | 曼·胡默尔滤清器有限公司 | Multi-layer filter element |
| US6521012B2 (en) * | 2001-05-01 | 2003-02-18 | Pall Corporation | Oleophobic coated membranes |
| RU2488426C1 (en) * | 2012-07-05 | 2013-07-27 | Игорь Владимирович Копиевский | Bag filtration element with filter bag and method of its attachment to tube plate |
| US20150174509A1 (en) * | 2013-12-20 | 2015-06-25 | Hollingsworth & Vose Company | Filter media with fine staple fibers |
| CN205903711U (en) * | 2016-06-23 | 2017-01-25 | 无锡市国松环保机械有限公司 | A filtration membrane that is used for industry flue gas one -level to remove dust |
-
2016
- 2016-06-23 CN CN201610457972.2A patent/CN105935524A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328478A (en) * | 1998-11-26 | 2001-12-26 | 曼·胡默尔滤清器有限公司 | Multi-layer filter element |
| US6521012B2 (en) * | 2001-05-01 | 2003-02-18 | Pall Corporation | Oleophobic coated membranes |
| RU2488426C1 (en) * | 2012-07-05 | 2013-07-27 | Игорь Владимирович Копиевский | Bag filtration element with filter bag and method of its attachment to tube plate |
| US20150174509A1 (en) * | 2013-12-20 | 2015-06-25 | Hollingsworth & Vose Company | Filter media with fine staple fibers |
| CN205903711U (en) * | 2016-06-23 | 2017-01-25 | 无锡市国松环保机械有限公司 | A filtration membrane that is used for industry flue gas one -level to remove dust |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160914 |
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| WD01 | Invention patent application deemed withdrawn after publication |