CN104941563A - Polytef pall ring - Google Patents
Polytef pall ring Download PDFInfo
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- CN104941563A CN104941563A CN201510388671.4A CN201510388671A CN104941563A CN 104941563 A CN104941563 A CN 104941563A CN 201510388671 A CN201510388671 A CN 201510388671A CN 104941563 A CN104941563 A CN 104941563A
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- pall ring
- arc
- tongue piece
- sheet
- pall
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Abstract
The invention discloses a polytef pall ring which comprises a pall ring body. A pall ring wall is arranged at the outer side of the pall ring body, the pall ring body is divided into an upper layer structure and a lower layer structure, and an upper arc-shaped piece, a middle arc-shaped piece and a lower arc-shaped piece are arranged between the upper layer structure and the lower layer structure. The polytef pall ring is simple in structure and easy in processing and manufacturing technology, meanwhile, the service life of the pall ring is long, the filler replacing times is reduced, the normal continuous production in the chemical industry is promoted, and the production cost is reduced.
Description
Technical field
The present invention relates to exchange column filler field, particularly relate to a kind of polytetrafluoroethylene (PTFE) Pall ring.
Background technology
Packed tower is at oil, chemical industry, pharmacy, water treatment, field of Environment Protection is widely used, in packed tower, usually there are two kinds or two or more media to absorb in tower, chemical reaction, medium generally includes two classes, liquid and liquid reactions class, gas and liquid reactions class, as waste water in environmental protection industry (epi), the process of waste gas, be most widely used in packed tower, if do not have filler to make the compound exchange in tower can be insufficient, the Pall ring that to produces, the fillers such as Raschig ring, material is fully exchanged in tower, make tower internal resistance can not be too high simultaneously, traditional Pall ring is exactly a kind of version in packed column filler, ring wall has been opened many fenestras, gas in packed tower and liquid freely can be passed through from fenestra, but traditional Pall ring structure is single, more and more senior industrial environment process can not be met.
Simultaneously, the environment of Pall ring work has strong corrosion, high temperature, traditional material ceramic ring is easily frangible, metal material as the not withstand corrosion such as carbon steel, pvc material, can resistance to general inorganic acid, alkali and organic solvent, but the chemical gases that corrosion resistance is comparatively not strong or temperature is higher, liquid is easily aging.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of polytetrafluoroethylene (PTFE) Pall ring, the liquid in processing and exchanging tower, and gas reaction amount is large, and pressure reduces simultaneously, and resistance is little, and separative efficiency is high.
A kind of polytetrafluoroethylene (PTFE) Pall ring of the present invention, employing polytetrafluoroethylmaterial material makes, polytetrafluoroethylene (PTFE) is commonly called as PFA resin, the fluoroplastics of newer melt-processable, the fusing point of PFA is high, density is 2.13 grams/cc to 2.16 grams/cc, PFA is heat-resisting, cold-resistant, chemical stability, mechanicalness, insulating properties, self lubricity, folding resistance, resistance to cracking is excellent, simultaneously, PPL is added in this Pall ring filler, PPL is polyparaphenylene phenol, metallurgical, ideal wear-resisting in the industries such as chemical industry, encapsulant, high life, high temperature resistant, simultaneously, polyparaphenylene Heat stability is good, corrosion resistance, self-lubricating property is better than molybdenum bisuphide and graphite, the strand of PPL, due to very large rigidity and regularity, make it cannot not be molten insoluble, self machine-shaping difficulty, the blended use of other materials need be filled, a kind of polytetrafluoroethylene (PTFE) Pall ring of the present invention uses polytetrafluoroethylene (PTFE) and position polyphenyl phenol compound to make.
Described a kind of polytetrafluoroethylene (PTFE) Pall ring, comprise Pall ring body, described Pall ring body is cylindrical structure form, Pall ring body arranged outside Pall ring ring wall, be divided into upper and lower double-layer structure, be provided with arc-like sheet respectively between the upper and lower double-layer structure of described Pall ring, medial arc sheet and arc lower sheet, the height of each arc-like sheet is identical.
A kind of optimal technical scheme, described upper arc-like sheet, the height of medial arc sheet and arc lower sheet is between 0.5 centimetre to 3 centimetres.
Described Pall ring ring wall is provided with exchange window, exchanging window is two rows structure, described often row ring wall is provided with 3-6 and exchanges window, exchange window ara and account for more than 70% of whole ring wall area, the favourable liquefied gas carrying out Pall ring inwall and outside exchanges.
Simultaneously, solid support column is provided with in described Pall ring body middle, solid support column adopts cylindrical structure form, highly be less than the height of whole ring wall, connect on described solid support column simultaneously and be provided with radian springhole, radian springhole quantity is 8 to 10, is conducive to the exchange of gas liquid, be provided with bending tongue piece group up and down at described radian springhole with being connected between Pall ring ring wall, wherein each bending tongue piece adopts bending wave wave type version.
A kind of optimal technical scheme, it is four that described bending up and down tongue piece group often organizes quantity, the curved fingerpost heart in each tongue piece.
In order to improve the overall stability of whole polytetrafluoroethylene (PTFE) Pall ring, between described upper bending tongue piece group and lower bending tongue piece group, be provided with support bar, support bar quantity is corresponding with tongue piece quantity.Support bar also can adopt reinforcing rib structure form, plays the effect strengthening Pall ring strength and stiffness.
The invention has the beneficial effects as follows: a kind of polytetrafluoroethylene (PTFE) Pall ring of the present invention structure is simple, processing technology thereof is easy, simultaneously, Pall ring long service life, reduces replacement number of times, promotes the normal continuous seepage such as chemical industry, reduce production cost, and a kind of polytetrafluoroethylene (PTFE) Pall ring of the present invention can use in various occasion, and range of application is very extensive, can be used for the drying tower of the industries such as chemical industry, metallurgy, coal gas oxygen, absorption tower, scrubbing tower, regenerator.
Accompanying drawing explanation
Fig. 1 is a kind of polytetrafluoroethylene (PTFE) Pall ring of the present invention structural representation;
In accompanying drawing, the mark of each parts is as follows:
1 is Pall ring body, and 2 is Pall ring ring wall, and 3 exchange window, and 4 is bending tongue piece, and 5 is solid support column, and 6 is radian springhole, and 7 is support bar, and 81 is upper arc-like sheet, and 82 is medial arc sheet, and 83 is arc lower sheet.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind of polytetrafluoroethylene (PTFE) Pall ring of the present invention, employing polytetrafluoroethylmaterial material makes, polytetrafluoroethylene (PTFE) is commonly called as PFA resin, the fluoroplastics of newer melt-processable, the fusing point of PFA is high, density is 2.13 grams/cc to 2.16 grams/cc, PFA is heat-resisting, cold-resistant, chemical stability, mechanicalness, insulating properties, self lubricity, folding resistance, resistance to cracking is excellent, simultaneously, PPL is added in this Pall ring filler, PPL is polyparaphenylene phenol, metallurgical, ideal wear-resisting in the industries such as chemical industry, encapsulant, high life, high temperature resistant, simultaneously, polyparaphenylene Heat stability is good, corrosion resistance, self-lubricating property is better than molybdenum bisuphide and graphite, the strand of PPL, due to very large rigidity and regularity, make it cannot not be molten insoluble, self machine-shaping difficulty, the blended use of other materials need be filled, a kind of polytetrafluoroethylene (PTFE) Pall ring of the present invention uses polytetrafluoroethylene (PTFE) and polyparaphenylene phenol compound to make.
Described a kind of polytetrafluoroethylene (PTFE) Pall ring, comprise Pall ring body, described Pall ring body is cylindrical structure form, Pall ring body arranged outside Pall ring ring wall, be divided into upper and lower double-layer structure, be provided with arc-like sheet respectively between the upper and lower double-layer structure of described Pall ring, medial arc sheet and arc lower sheet, the height of each arc-like sheet is identical.
A kind of optimal technical scheme, described upper arc-like sheet, the height of medial arc sheet and arc lower sheet is between 0.5 centimetre to 3 centimetres.
Described Pall ring ring wall is provided with exchange window, exchanging window is two rows structure, described often row ring wall is provided with 3-6 and exchanges window, exchange window ara and account for more than 70% of whole ring wall area, the favourable liquefied gas carrying out Pall ring inwall and outside exchanges.
Simultaneously, solid support column is provided with in described Pall ring body middle, solid support column adopts cylindrical structure form, highly be less than the height of whole ring wall, connect on described solid support column simultaneously and be provided with radian springhole, radian springhole quantity is 8 to 10, is conducive to the exchange of gas liquid, be provided with bending tongue piece group up and down at described radian springhole with being connected between Pall ring ring wall, wherein each bending tongue piece adopts bending wave wave type version.
A kind of optimal technical scheme, it is four that described bending up and down tongue piece group often organizes quantity, the curved fingerpost heart in each tongue piece.
In order to improve the overall stability of whole polytetrafluoroethylene (PTFE) Pall ring, between described upper bending tongue piece group and lower bending tongue piece group, be provided with support bar, support bar quantity is corresponding with tongue piece quantity.Support bar also can adopt reinforcing rib structure form, plays the effect strengthening Pall ring strength and stiffness.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a polytetrafluoroethylene (PTFE) Pall ring, it is characterized in that, comprise: Pall ring body, described Pall ring body is cylindrical structure form, Pall ring body arranged outside Pall ring ring wall, be divided into upper and lower double-layer structure, arc-like sheet is provided with respectively between the upper and lower double-layer structure of described Pall ring, medial arc sheet and arc lower sheet, the height of each arc-like sheet is identical, described Pall ring ring wall is provided with exchange window, exchanging window is two rows structure, described often row ring wall is provided with 3-6 and exchanges window, exchange window ara and account for more than 70% of whole ring wall area, simultaneously, solid support column is provided with in described Pall ring body middle, solid support column adopts cylindrical structure form, highly be less than the height of whole ring wall, connect on described solid support column simultaneously and be provided with radian springhole, radian springhole quantity is 8 to 10, bending tongue piece group is up and down provided with being connected between Pall ring ring wall at described radian springhole, wherein each bending tongue piece adopts bending wave wave type version, support bar is provided with between described upper bending tongue piece group and lower bending tongue piece group, support bar quantity is corresponding with tongue piece quantity.
2. polytetrafluoroethylene (PTFE) Pall ring according to claim 1, is characterized in that, described upper arc-like sheet, and the height of medial arc sheet and arc lower sheet is between 0.5 centimetre to 3 centimetres.
3. polytetrafluoroethylene (PTFE) Pall ring according to claim 1, is characterized in that, it is four that described bending up and down tongue piece group often organizes quantity, the curved fingerpost heart in each tongue piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510388671.4A CN104941563A (en) | 2015-07-06 | 2015-07-06 | Polytef pall ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510388671.4A CN104941563A (en) | 2015-07-06 | 2015-07-06 | Polytef pall ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104941563A true CN104941563A (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510388671.4A Pending CN104941563A (en) | 2015-07-06 | 2015-07-06 | Polytef pall ring |
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| CN (1) | CN104941563A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112774618A (en) * | 2021-01-26 | 2021-05-11 | 东北石油大学 | Staggered inner-extending tongue blade annular intalox saddle packing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2395447A (en) * | 2002-11-20 | 2004-05-26 | Richard Victor Johnson | Offset, squat cylindrical media for random pack mass transfer. |
| CN202666871U (en) * | 2012-07-04 | 2013-01-16 | 宁波科新化工工程技术有限公司 | Pall ring filler |
| CN202962480U (en) * | 2012-11-09 | 2013-06-05 | 湖北华庆石华设备有限公司 | Pall ring filler |
| CN204107512U (en) * | 2014-08-29 | 2015-01-21 | 苏州捷宁模塑有限公司 | A kind of Pall ring |
| CN204170732U (en) * | 2014-10-27 | 2015-02-25 | 海盐新世纪石化设备有限公司 | Constitutionally stable metal step ring filler |
| CN204911525U (en) * | 2015-07-06 | 2015-12-30 | 苏州崇恩模塑有限公司 | Polytetrafluoroethylene pall ring |
-
2015
- 2015-07-06 CN CN201510388671.4A patent/CN104941563A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2395447A (en) * | 2002-11-20 | 2004-05-26 | Richard Victor Johnson | Offset, squat cylindrical media for random pack mass transfer. |
| CN202666871U (en) * | 2012-07-04 | 2013-01-16 | 宁波科新化工工程技术有限公司 | Pall ring filler |
| CN202962480U (en) * | 2012-11-09 | 2013-06-05 | 湖北华庆石华设备有限公司 | Pall ring filler |
| CN204107512U (en) * | 2014-08-29 | 2015-01-21 | 苏州捷宁模塑有限公司 | A kind of Pall ring |
| CN204170732U (en) * | 2014-10-27 | 2015-02-25 | 海盐新世纪石化设备有限公司 | Constitutionally stable metal step ring filler |
| CN204911525U (en) * | 2015-07-06 | 2015-12-30 | 苏州崇恩模塑有限公司 | Polytetrafluoroethylene pall ring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112774618A (en) * | 2021-01-26 | 2021-05-11 | 东北石油大学 | Staggered inner-extending tongue blade annular intalox saddle packing |
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Application publication date: 20150930 |