CN107638780B - Membrane dryer arranged on multi-stage cold air jet machine - Google Patents
Membrane dryer arranged on multi-stage cold air jet machine Download PDFInfo
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- CN107638780B CN107638780B CN201711022601.2A CN201711022601A CN107638780B CN 107638780 B CN107638780 B CN 107638780B CN 201711022601 A CN201711022601 A CN 201711022601A CN 107638780 B CN107638780 B CN 107638780B
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- hollow fiber
- membrane filter
- fiber membrane
- water vapor
- channel
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- 239000012528 membrane Substances 0.000 title claims abstract description 98
- 239000012510 hollow fiber Substances 0.000 claims abstract description 59
- 238000001035 drying Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000011148 porous material Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 13
- 238000001816 cooling Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 206010008631 Cholera Diseases 0.000 description 1
- 241000607142 Salmonella Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000001848 dysentery Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a membrane dryer arranged on a multi-stage cold air jet machine, which comprises a tank body, a lower mounting cover and an upper mounting cover, wherein a hollow fiber membrane filter element is arranged in the tank body, an air inlet pipe is arranged on the lower mounting cover, an air outlet pipe is arranged on the upper mounting cover, a steam exhaust pipe is arranged on the side wall of the tank body, an air inlet cavity communicated with the air inlet pipe is formed between the hollow fiber membrane filter element and the lower mounting cover, a dry air exhaust cavity is formed between the hollow fiber membrane filter element and the upper mounting cover, a steam exhaust pipe is arranged on the side wall of the tank body, and a steam outside volatilization cavity communicated with the steam exhaust pipe is arranged on the hollow fiber membrane filter element and the inner wall of the tank body; according to the invention, the water vapor central volatilization channel is arranged, and the drying gas channel is arranged around the water vapor central volatilization channel, so that not only can the air filtering and drying efficiency be compressed by utilizing the drying gas channel and the water vapor central volatilization channel, but also the drying gas channel is beneficial to drying the hollow fiber membrane filter core, and the use efficiency of the hollow fiber membrane filter core is improved.
Description
Technical Field
The invention belongs to the technical field of cold air jet machines, and particularly relates to a film dryer arranged on a multi-stage cold air jet machine.
Background
In the machining process of metal, a large amount of heat is generated between the cutter and the workpiece due to cutting, if cooling is not performed, the machining precision and the physicochemical properties of the workpiece are adversely affected; the existing cooling modes comprise cooling liquid cooling and wind cooling; the air cooling has the advantages of convenient use, storage, cleaning and treatment, no adverse effect on the environment and the health of operators, and low use and treatment cost, so the air cooling metal machining (dry machining) is generally paid attention to.
In the prior art, compressed air enters a drying tower for drying after passing through a secondary filter (1 mu m filter and 0.01 mu m filter), granular adsorption materials processed by a plurality of chemical dust are arranged in the drying tower for adsorption drying, and part of the granules are crushed and dust is generated due to repeated pressure changes in the drying container and filling during production and use; in a cold air jet machine, the dust is directly discharged into the air along with the compressed air without treatment, so that the health of operators and other people is seriously threatened; in practice, the cost of isolating such dust is very high, compressed air must be blown directly to the processing area at a relatively high pressure (0.1 Mpa) and flow rate during the actual cooling process, if a dust isolation net is added, only the air pressure and flow rate of the outlet are reduced, and in addition, the dust isolation net needs to be replaced frequently; the resulting inconvenience in use and increase in cost are also undesirable for the use unit.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a membrane dryer provided on a multi-stage cold air jet machine, wherein a steam central evaporation channel is provided in the middle of a hollow fiber membrane filter core, and a drying air channel is provided around the hollow fiber membrane filter core, so that not only can the air filtration and drying efficiency be reduced by using the drying air channel and the steam central evaporation channel, but also the drying air channel is beneficial to drying the hollow fiber membrane filter core, and the use efficiency of the hollow fiber membrane filter core is improved.
In order to achieve the above purpose, the invention provides a membrane dryer arranged on a multi-stage cold air jet machine, which comprises a tank body, a lower mounting cover and an upper mounting cover, wherein the lower mounting cover and the upper mounting cover are arranged at the bottom and the top of the tank body, a hollow fiber membrane filter element is arranged in the tank body, an air inlet pipe communicated with the tank body is arranged on the lower mounting cover, an air inlet cavity communicated with the air inlet pipe is formed between the hollow fiber membrane filter element and the lower mounting cover, a drying air exhaust cavity communicated with the air inlet pipe is formed between the hollow fiber membrane filter element and the upper mounting cover, a steam exhaust pipe is arranged on the side wall of the tank body, a steam outside volatilization cavity communicated with the steam exhaust pipe is arranged on the inner wall of the tank body, an air guide valve is arranged in the drying air exhaust cavity, a drying air exhaust hole I communicated with the drying air exhaust cavity is arranged on the air guide valve, a steam center volatilization channel and a drying air channel arranged around the steam center volatilization channel are vertically arranged in the middle of the hollow fiber membrane filter element, a steam outside volatilization channel is communicated with the steam center through the air guide valve, the steam outside air guide pipe is communicated with the steam outside through the steam exhaust pipe, and the steam outside air guide pipe is communicated with the steam outside through the steam exhaust pipe, and the steam outside through the steam exhaust pipe is communicated with the steam outside through the steam exhaust cavity.
Further, the hollow fiber membrane filter core comprises an outer membrane and an inner membrane, wherein the inner membrane is attached to the inner side surface of the outer membrane, the outer membrane and the inner membrane are woven by hollow fibers, filter holes are formed in the outer membrane and the inner membrane, and the aperture of the outer membrane filter holes is larger than that of the inner membrane filter holes.
Further, the steam exhaust pipe I is arranged in the hollow fiber membrane filter element, and the steam exhaust pipe I is inclined downwards from one end of the steam central volatilization channel to one end of the steam outer volatilization cavity.
Further, an outer film I is arranged on the inner wall of the steam central volatilizing channel.
Further, the bottom of the steam central volatilizing channel is arranged to be of a cone hopper structure, and the steam exhaust pipe I is connected to the bottom of the cone hopper.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the membrane dryer arranged on the multi-stage cold air jet machine, the water vapor central volatilization channel is arranged in the middle of the hollow fiber membrane filter element, and the drying air channels are arranged around the hollow fiber membrane filter element, so that the air filtering and drying efficiency can be reduced by utilizing the drying air channels and the water vapor central volatilization channels, the drying air channels are beneficial to drying the hollow fiber membrane filter element, and the service efficiency of the hollow fiber membrane filter element is improved;
2. the hollow fiber membrane is a filtering material, is tubular thin wire like a straw, has a very large number of ultra-fine filtering holes with diameters of only 0.01-0.1 mu m on the wall surface, is used for removing most of bacteria such as coliform bacteria, dysentery bacteria, salmonella, cholera bacteria, tubercle bacillus and the like in water in life because the pore diameter is much smaller than that of the bacteria, and can filter red rust dirty substances caused by rust of mould spores and water pipes. The method has the remarkable characteristics of normal temperature and low pressure operation, no phase change, low energy consumption and the like, becomes a standard of a separation process, and is widely used in developed countries and regions such as Europe and America;
3. the membrane dryer arranged on the multistage cold air jet machine can separate water vapor contained in compressed air by utilizing the hollow fiber membranes, and the water vapor in the compressed air is discharged out of the membrane by utilizing the water vapor partial pressure difference between the inner side and the outer side of the hollow fiber membranes under a certain pressure by taking the pressure difference between the inner side and the outer side of the hollow fiber membranes as a driving force when the membrane dryer runs and taking the hollow fiber membranes as a filtering medium. Thus, the compressed air can be continuously dehumidified. The water-saving type solar energy water heater does not need a power supply and waste heat, so that the water-saving type solar energy water heater can be used in a manufacturing site requiring high cleanliness, and moisture is discharged from an exhaust port in a water vapor mode.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is a schematic diagram of a film dryer provided on a multi-stage cold air jet machine according to the present invention;
FIG. 2 is a top view of a hollow fiber membrane cartridge of the present invention in a membrane dryer on a multi-stage cold air jet.
Reference numerals: 1-a tank body; 2-lower mounting cover; 3-mounting a cover; 4-an air inlet pipe; 5-an air outlet pipe; 6-a hollow fiber membrane filter element; 7-an air inlet cavity; 8-a water vapor central volatilization channel; 9-a steam outside volatilization cavity; 10-a drying gas channel; 11-a dry gas exhaust chamber; 12-a diversion valve; 13-a dry gas exhaust hole I; 14-a dry gas exhaust hole II; 15-a steam outside volatilization cavity; 16-a steam exhaust pipe; 17-cone bucket; 18-a water vapor exhaust pipe I.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
1-2 are front views of a film dryer provided on a multi-stage cold air jet machine in accordance with the present invention; the invention comprises a tank body, a lower mounting cover 2 and an upper mounting cover 3 which are arranged at the bottom and the top of the tank body 1, wherein a hollow fiber membrane filter core 6 is arranged in the tank body 1, an air inlet pipe 4 communicated with the interior of the tank body 1 is arranged on the lower mounting cover 2, an air outlet pipe 5 communicated with the interior of the tank body 1 is arranged on the upper mounting cover 3, an air inlet cavity 7 communicated with the air inlet pipe 4 is formed between the hollow fiber membrane filter core 5 and the lower mounting cover 2, a drying air exhaust cavity 11 communicated with the air outlet pipe 5 is formed between the hollow fiber membrane filter core 6 and the upper mounting cover 3, a steam exhaust pipe 16 is arranged on the side wall of the tank body 1, a steam outside volatilization cavity 9 communicated with the steam exhaust pipe is arranged on the inner walls of the hollow fiber membrane filter core 6 and the tank body 1, an air guide valve 12 is arranged in the drying air exhaust cavity 11, a drying air exhaust hole I13 communicated with the interior of the tank body 1 is arranged on the air guide valve 12, a steam center volatilization channel 8 is vertically arranged in the middle of the hollow fiber membrane filter core 6, a steam center volatilization channel 8 is annularly arranged at the air inlet cavity 8 and the air exhaust channel 10 is communicated with the steam outside the steam exhaust channel 9 through the steam center air guide channel 10, and the steam outside the steam exhaust channel is communicated with the steam outside the steam exhaust cavity 9, and the steam outside the steam exhaust cavity is communicated with the steam exhaust cavity 9 through the steam air guide channel 10.
According to the embodiment, the water vapor central volatilization channel is arranged in the middle of the hollow fiber membrane filter core, and the drying air channel is arranged around the hollow fiber membrane filter core in a surrounding mode, so that the drying air channel and the water vapor central volatilization channel are utilized to not only compress air for filtering and drying efficiency, but also facilitate drying of the hollow fiber membrane filter core, and the use efficiency of the hollow fiber membrane filter core is improved.
In this embodiment, compressed air enters the air inlet cavity through the air inlet pipe, the air inlet cavity is formed by the partition plate and the hollow fiber membrane filter core, the compressed air enters the hollow fiber membrane filter core from one end of the hollow fiber membrane filter core at a high pressure end, high polymers and water vapor overflow from the outer wall of the hollow fiber membrane filter core, the compressed air enters the dry gas exhaust cavity from the top of the filter core after being dried through the hollow fiber membrane filter core, most of dry gas is discharged from the air outlet pipe 5, a small part of dry gas enters the air guide valve 12 through the dry gas exhaust hole I13 and enters the water vapor central volatilization channel 8 through the dry gas exhaust hole II14, enters the water vapor volatilization cavity 9 along the dry gas channel 10, and dries and processes water vapor and dust in the water vapor volatilization cavity 9 and the water vapor central volatilization channel 8 respectively.
Further, the hollow fiber membrane filter core preferably comprises an outer membrane and an inner membrane, wherein the inner membrane is attached to the inner side surface of the outer membrane, the outer membrane and the inner membrane are woven by hollow fibers, filter holes are formed in the outer membrane and the inner membrane, and the aperture of the outer membrane filter holes is larger than that of the inner membrane filter holes.
Further, the steam exhaust pipe I is preferably disposed in the hollow fiber membrane filter element, and the steam exhaust pipe I is inclined downward from one end of the steam central volatilization channel to one end of the steam outer volatilization cavity.
Further, the inner wall of the steam central volatilizing channel is preferably provided with an outer film I.
Further, the preferred steam center volatilizes the passageway bottom and sets up to the awl and fights the structure, steam blast pipe I connects in awl fight bottom, is favorable to beginning to make awl fight bottom steam volatilize, is favorable to making filter core adventitia department dry, improves the filter core and lasts filtration capacity, improves hollow fiber membrane filter core availability factor.
Further, the lower part of the hollow fiber membrane filter core is provided with a conical surface, outlets at the lower end of the drying gas channel are all arranged on the conical surface, and preferably, the lower part of the hollow fiber membrane filter core is provided with the conical surface, outlets at the lower end of the drying gas channel are all arranged on the conical surface, the structure is favorable for utilizing the filtering area and the filtering efficiency of the hollow fiber membrane filter core, particularly, the lower edge of the cylindrical filter core is high in humidity, the water vapor content is high, the combined structure of the conical surface and the drying gas channel is favorable for beginning to volatilize the water vapor at the lower edge of the filter core, the drying of the outer membrane of the lower part of the filter core is favorable, the continuous filtering capability of the filter core is improved, and the service efficiency of the hollow fiber membrane filter core is improved.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (1)
1. The utility model provides a establish membrane desiccator on multistage cold wind jet engine which characterized in that: the solar energy drying device comprises a tank body, a lower mounting cover and an upper mounting cover, wherein the lower mounting cover and the upper mounting cover are arranged at the bottom and the top of the tank body, a hollow fiber membrane filter element is arranged in the tank body, an air inlet pipe communicated with the tank body is arranged on the lower mounting cover, an air inlet cavity communicated with the air inlet pipe is formed between the hollow fiber membrane filter element and the lower mounting cover, a dry air exhaust cavity communicated with the air inlet pipe is formed between the hollow fiber membrane filter element and the upper mounting cover, a water vapor exhaust pipe is arranged on the side wall of the tank body, a water vapor outside volatilization cavity communicated with the water vapor exhaust pipe is arranged on the hollow fiber membrane filter element and the inner wall of the tank body, an air guide valve is arranged in the dry air exhaust cavity, a water vapor central volatilization channel and a dry air channel arranged around the water vapor central volatilization channel in a surrounding manner are vertically arranged in the middle of the hollow fiber membrane filter element, the upper end of the dry air channel is communicated with the air guide valve, the lower end of the dry air channel is communicated with the water vapor outside volatilization cavity, the water vapor outside volatilization cavity is communicated with the water vapor outside through the dry air exhaust hole I, and the water vapor outside volatilization cavity is communicated with the water vapor outside through the dry air exhaust hole I;
the hollow fiber membrane filter core comprises an outer membrane and an inner membrane, wherein the inner membrane is adhered to the inner side surface of the outer membrane, the outer membrane and the inner membrane are woven by hollow fibers, filter holes are formed in the outer membrane and the inner membrane, and the pore diameter of the outer membrane filter hole is larger than that of the inner membrane filter hole;
the steam exhaust pipe I is arranged in the hollow fiber membrane filter element, and the steam exhaust pipe I is inclined downwards from one end of the steam central volatilization channel to one end of the steam outer volatilization cavity;
an outer film I is arranged on the inner wall of the steam central volatilizing channel;
the bottom of the steam central volatilizing channel is arranged into a cone bucket structure, and the steam exhaust pipe I is connected to the bottom of the cone bucket;
the lower part of the hollow fiber membrane filter core is provided with a conical surface, and outlets at the lower end of the drying gas channel are all arranged on the conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711022601.2A CN107638780B (en) | 2017-10-27 | 2017-10-27 | Membrane dryer arranged on multi-stage cold air jet machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711022601.2A CN107638780B (en) | 2017-10-27 | 2017-10-27 | Membrane dryer arranged on multi-stage cold air jet machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107638780A CN107638780A (en) | 2018-01-30 |
| CN107638780B true CN107638780B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711022601.2A Active CN107638780B (en) | 2017-10-27 | 2017-10-27 | Membrane dryer arranged on multi-stage cold air jet machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110257983B (en) * | 2019-06-27 | 2023-09-05 | 浙江天祥新材料股份有限公司 | Far infrared anion elasticized yarn |
| CN120177676A (en) * | 2025-05-22 | 2025-06-20 | 西安瑞恒测控设备有限公司 | Hydrogen fluoride gas detection system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109796A (en) * | 1994-02-25 | 1995-10-11 | 普拉塞尔技术有限公司 | Fluid separation assembly having an integral purge control valve |
| JPH0866616A (en) * | 1994-08-30 | 1996-03-12 | Koganei Corp | Dehumidifier |
| CN1132658A (en) * | 1994-10-17 | 1996-10-09 | 珀美阿有限公司 | Hollow fiber membrane dryer with internal sweep |
| JPH0957043A (en) * | 1995-08-29 | 1997-03-04 | Kuroda Precision Ind Ltd | Air dehumidifier |
| CN201061749Y (en) * | 2007-05-11 | 2008-05-21 | 张隆华 | Polymer hollow membrana compressed air dryer |
| CN106334456A (en) * | 2016-10-21 | 2017-01-18 | 中国科学院大连化学物理研究所 | A hollow fiber separation membrane module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7678177B2 (en) * | 2006-09-12 | 2010-03-16 | New York Air Brake Corporation | Membrane air dryer and sweep valve |
-
2017
- 2017-10-27 CN CN201711022601.2A patent/CN107638780B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109796A (en) * | 1994-02-25 | 1995-10-11 | 普拉塞尔技术有限公司 | Fluid separation assembly having an integral purge control valve |
| JPH0866616A (en) * | 1994-08-30 | 1996-03-12 | Koganei Corp | Dehumidifier |
| CN1132658A (en) * | 1994-10-17 | 1996-10-09 | 珀美阿有限公司 | Hollow fiber membrane dryer with internal sweep |
| JPH0957043A (en) * | 1995-08-29 | 1997-03-04 | Kuroda Precision Ind Ltd | Air dehumidifier |
| CN201061749Y (en) * | 2007-05-11 | 2008-05-21 | 张隆华 | Polymer hollow membrana compressed air dryer |
| CN106334456A (en) * | 2016-10-21 | 2017-01-18 | 中国科学院大连化学物理研究所 | A hollow fiber separation membrane module |
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| CN107638780A (en) | 2018-01-30 |
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