CN104841351A - Stereometric teflon structured packing and manufacturing method thereof - Google Patents
Stereometric teflon structured packing and manufacturing method thereof Download PDFInfo
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- CN104841351A CN104841351A CN201510188001.8A CN201510188001A CN104841351A CN 104841351 A CN104841351 A CN 104841351A CN 201510188001 A CN201510188001 A CN 201510188001A CN 104841351 A CN104841351 A CN 104841351A
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Abstract
The invention relates to a stereometric teflon structured packing and belongs to the technical field of a structured packing. The disc-type teflon structured packing is formed by overlaying a disc-type structured packing. The disc-type structured packing comprises a body structure and a bound edge structure. The body structure is formed by overlapping several edge-on teflon corrugated plates. The bound edge structure is formed by banding the body structure with a teflon tension band. The corrugated plate provided by the invention can replace a metal corrugated plate in the prior art and is the basis for forming a teflon structured packing. As teflon has ultra-strong corrosion resistance, by the use of the teflon structured packing, downtime can be effectively prolonged, and it can be usually guaranteed that update is not required within three years. The disc-type teflon structured packing has remarkable economic benefit.
Description
Technical field
The present invention relates to a kind of structured packing, particularly relate to the three-dimensional structured packing of polytetrafluoroethylene (PTFE) and method for making thereof.Belong to structured packing technical field.
Background technology
The material be filled in other objects made a general reference by filler.In Chemical Engineering, filler refers to the inert solid material be loaded in packed column, and its effect is the contact surface increasing solution-air, makes its strong mixing mutually.There are dispersed filler and structured packing two kinds.Dispersed filler is as Pall ring and Raschig ring.Structured packing is by the arrangement of certain geometrical configuration, the filler neatly piled up.Structured packing kind is a lot, can be divided into grid packing, ripple packing, Impulse packing etc. according to its geometry.The discoid filler that ripple packing is made up of many corrugated sheets, there are 30 ° and 45 ° two kinds in the inclination angle of ripple and tower axle, and during assembling, adjacent two corrugated platings are oppositely by folded.Each dish filler is vertically loaded in tower, staggered 90 ° of arrangements between two adjacent dish fillers.Ripple packing can be divided into corrugated wire gauze packing and the large class of mellapak packing two by structure, and its material has again dividing of metal, plastics and pottery etc.Metallic plate ripple packing is a kind of principal mode of mellapak packing.The corrugated cardboard sheet upper punch of this filler is pressed with many apertures, can play the liquid distributed on plate, strengthen the effect of empir-ical formulation.Corrugated cardboard sheet rolls into tiny rill, the liquid on fine distribution plate can be played, strengthen the effect of surface wettability.Metallurgic orifice corrugated packing intensity is high, is applicable to major diameter tower and the larger occasion of gas-liquid load.But because the resistance to corrosion of metal is more weak, the especially mass transfer of highly acid material, usually uses two or three months will shut down replacing filler, brings huge loss to enterprise.
Summary of the invention
The present invention will solve the problems of the technologies described above, thus provides a kind of polytetrafluoroethylene (PTFE) corrugated plating assembly.
The technical scheme that the present invention solves the problem is as follows:
The three-dimensional structured packing of polytetrafluoroethylene (PTFE), is formed by stacking by disc type structured packing, and described disc type structured packing comprises body construction and binding structure; Described body construction is formed by stacking by some edge-on polytetrafluoroethylene (PTFE) corrugated platings; Described binding structure is formed at described body construction by polytetrafluoroethylene (PTFE) cranse banding.
Preferred as technique scheme, also comprise reinforcement structure, described reinforcement structure is placed through in described body construction by polytetrafluoroethylene (PTFE) reinforcement level and is formed.
Preferred as technique scheme, described polytetrafluoroethylene (PTFE) reinforcement is set in polyfluortetraethylene pipe inside by rigidity plug, and by the hermetically-sealed construction having rigidity, decay resistance concurrently that the melting welding of described polyfluortetraethylene pipe two ends is formed.
Preferred as technique scheme, also comprise suture texture, described suture texture is, by polytetrafluoroethylene (PTFE) single line, described body construction and binding structure are made all-in-one-piece structure.
Preferred as technique scheme, the width of the ripple of described corrugated plating and the width of corrugated plating form angle α, thus adjacent two pieces of corrugated platings edge-on superimposed time crest to contact with wave crest point and formed between mass-transfer zone, 30 °≤α≤60 °.
Preferred as technique scheme, positive and negative two surfaces of corrugated plating are equipped with coarse structure, and plate body has some equally distributed through holes.
Preferred as technique scheme, described disc type structured packing is split type, is by the disk of several combination of monomers, forms split seam between monomer; Split seam between neighbouring two-layer structured packing forms angle β, 60 °≤β≤90 °
Another kind as technique scheme is preferred, and described structured packing is monolithic construction.
Another object of the present invention is to provide a kind of method for making of the three-dimensional structured packing of polytetrafluoroethylene (PTFE).
The method for making of the three-dimensional structured packing of polytetrafluoroethylene (PTFE), comprises the following steps:
1. cutting: corrugated plating is cut out suitable length;
2. load: the corrugated plating of appropriate length is filled in mould in edge-on mode, keep crest between adjacent corrugated plating to contact with wave crest point simultaneously, thus between formation mass-transfer zone, after filling, form body construction;
3. cranse: use the cranse of polytetrafluoroethylene (PTFE) material by described body construction banding, form binding structure;
4. strengthen: lateral opening on described body construction, and in hole, load polytetrafluoroethylene (PTFE) reinforcement formation reinforcement structure, described polytetrafluoroethylene (PTFE) reinforcement is set in polyfluortetraethylene pipe inside by rigidity plug, and by the hermetically-sealed construction having rigidity, decay resistance concurrently of described polyfluortetraethylene pipe two ends melting welding formation;
5. sew up: with polytetrafluoroethylene (PTFE) single line, described body construction and binding structure are sewn into suture texture;
6. stacking: by the three-dimensional structured packing of the stacking formation of some described disc type structured packings.
Preferred as technique scheme, described filling step mould therefor has regulatory function, is compressed by described body construction by described mould; Described strengthening step completes in the mold, and completes the location of perforate drill bit by the duct of mould.
Another object of the present invention is to provide above-mentioned mould.
Polytetrafluoroethylene (PTFE) structured packing mould, comprises horizontal frame and enclose frame, encloses the span of frame described in the length of described horizontal frame is not less than; Described horizontal frame at its two ends by locked component with enclose frame and fix; Described horizontal frame is provided with duct, described in enclose position corresponding to described duct on frame and be provided with notch.
Preferred as technique scheme, described locked component is fast disassembly type locking piece.
Preferred as technique scheme, described fast disassembly type locking piece comprises limited block, pull bar, lock dog, hinge and press handle; Described limited block is positioned at one end of described pull bar, and the other end of described pull bar is provided with described hinge, and described press handle is hinged on described hinge; Described lock dog is movably set in described hinge.
Preferred as technique scheme, described press handle is by eccentric wheel and the plectrum affixed with described eccentric wheel, and described press handle is hinged on described hinge by described eccentric wheel.
Preferred as technique scheme, also comprise spring, described spring housing is located on described hinge, and and is separated with described lock dog between described hinge.
Preferred as technique scheme, described lock dog and described spring affixed.
Another kind as technique scheme is preferred, and described locked component comprises bolt and nut.
Basic material of the present invention produced by polytetrafluoroethylene (PTFE) corrugated plating, and this corrugated plating obtains by the following method.
The method for making of polytetrafluoroethylene (PTFE) corrugated plating, comprises the following steps:
(1) with polytetrafluoroethylene (PTFE) base band for raw material, by the calendering effect of shaggy roller, make the base band I with surface roughness;
(2) by base band I with punching press or the drilling of roll-in mode, manufactured Board body has the base band II of some equally distributed through holes;
(3) width of the width and corrugated plating that base band II are pressed into ripple by oblique blade corrugation forming machine forms the polytetrafluoroethylene (PTFE) corrugated plating of angle α, wherein 30 °≤α≤60 °.
Preferred as technique scheme, described polytetrafluoroethylene (PTFE) base band is tubing by polytetrafluoroethylregenerated regenerated powder through extrusion moulding, then described tubing is carried out turning and makes; The pipe thickness of described tubing and described corrugated plating thickness.
An also object of the present invention is to provide a kind of base band surface that makes being applicable to said method increases coarse a kind of calender.
PTFE base band calender, is comprised frame, is arranged at the roller frame of frame, be installed on the pressure roller shaft of described roller frame and be sheathed on the pressure roller of described pressure roller shaft by bearing; Described pressure roller and pressure roller shaft are equipped with two, form a pressure roller group, and one is located at top, and another is located at below, and at least one pressure roller is connected on power input equipment; Described pressure roller is shaggy roller, in order to impose calendering effect to the PTFE base band through it thus to make the Surface Creation coarse structure of described polytetrafluoroethylene (PTFE) base band.
Preferred as technique scheme, also comprise base band transport platform, described base band transport platform is arranged on the front of described pressure roller group, and the rational height of the rational height of described base band transport platform and described pressure roller group adapts.
Preferred as technique scheme, also comprise two limiting plates, described limiting plate is also arranged on the both sides of base band transport platform while being arranged on the top of described base band transport platform, thus and described base band transport platform jointly limit between a delivery area passed through for polytetrafluoroethylene (PTFE) base band being positioned at its surface at its width and short transverse.
Preferred as technique scheme, also comprises shaft coupling and reducing motor, and the affixed other end of output shaft of described shaft coupling one end and described reducing motor is with wherein arbitrary described pressure roller shaft is affixed.
Preferred as technique scheme, also comprise unreeling shaft, described unreeling shaft is located at the front of described base band transport platform.
Preferred as technique scheme, the rational height of described unreeling shaft is higher than described base band transport platform.
Preferred as technique scheme, also comprise the meshing transmission structure be made up of two gears, the pressure roller shaft that one of them gear is disposed therein, another gear is arranged at another pressure roller shaft.
If do not use meshed transmission gear, so top roll then becomes passive rotation, and it is obviously less to the calendering degree of polytetrafluoroethylene (PTFE) base band, and polytetrafluoroethylene (PTFE) base band upper and lower surface therefore can be caused to roll uneven situation, although do not affect use, mass-transfer efficiency may be affected; And gears meshing is only the wherein a kind of effective means realizing active rotation simultaneously.
Preferred as technique scheme, described limiting plate has slotted eye, and fixed by described slotted eye and described base band transport platform bolt, thus by regulating the lateral displacement of limiting plate to realize the width adjusting between described delivery area, thus adapt to the width requirement of the polytetrafluoroethylene (PTFE) base band of calendering different size.
An also object of the present invention is to provide a kind of a kind of stamping system being applicable to the punching in base band of said method.
Polytetrafluoroethylene (PTFE) base band stamping system, comprises stamping machine, and described stamping machine comprises staking punch and stamping station; Also comprise the limit for width platform being arranged at described stamping machine front and the winder being arranged at described stamping machine rear; Described staking punch is by the regularly arranged sequential combination formed of the bar that multiple front end is hollow; Described stamping station is provided with some apertures, and described aperture is corresponding with described staking punch.
Preferred as technique scheme, also comprises the bracket being arranged on described limit for width platform front.
Preferred as technique scheme, also comprises the first passage, buffer table and the second channel that are successively set between described bracket and limit for width platform.
Preferred as technique scheme, also comprises the growth section be arranged between described bracket and first passage.
Preferred as technique scheme, described limit for width platform is back-to-back screwed onto on a platform by two L-type sheet metal one the first from left right sides to form.
An also object of the present invention is to provide a kind of polytetrafluoroethylene (PTFE) base band corrugation forming machine base band being extruded ripple being applicable to said method.
Polytetrafluoroethylene (PTFE) base band corrugation forming machine, comprises frame, pinches assembly and punch assembly; Described pinch assembly comprise pinch roll, for carry described pinch roll rotating shaft and in accepting the roll stand of described rotating shaft; Described punch assembly comprises barocline cutter group and pressure-bearing platform, and cutter group of baroclining is arranged on power set, described in the barocline setting direction of cutter group and the described direction that pinches pinching assembly form angle α, 30 °≤α≤60 °; Described pressure-bearing platform is provided with the teeth groove adapted with described cutter group of baroclining.
Preferred as technique scheme, described in the cutter that baroclines comprise pre-push type broach, hot pressing cutter and rear push type broach; The cutting edge of described pre-push type broach, hot pressing cutter and rear push type broach is blunt mouth.
Preferred as technique scheme, described pre-push type broach, hot pressing cutter are fixedly connected with rear push type broach.
Describedly be fixedly connected with when referring to embossing operation, pre-push type broach, the action together with rear push type broach of hot pressing cutter.
Preferred as technique scheme, with boss object polytetrafluoroethylene (PTFE) base band for benchmark, compared to described pre-push type broach and rear push type broach, during embossing operation, described hot pressing cutter produces more deep impression.
Preferred as technique scheme, the blade side of described pre-push type broach is provided with limiting stand.
Preferred as technique scheme, described teeth groove comprises pre-push type broach joint portion, hot pressing cutter joint portion and rear push type broach joint portion; Described pressure-bearing platform also comprises the first platform and the second platform; Described first platform flushes with the upper limb of described pre-push type broach joint portion, and described second platform flushes with the lower edge of described rear push type broach joint portion; When described pre-push type broach, hot pressing cutter and rear push type broach press down simultaneously, described limiting stand and described first platform produce the interaction of power, and described rear push type broach and described second platform produce the interaction of power.
Preferred as technique scheme, the edge of a knife of described rear push type broach is wider than the edge of a knife of described hot pressing cutter.
Preferred as technique scheme, also comprises the carrying roller being arranged on and pinching assembly front and the curing station being arranged on punch assembly rear.
Preferred as technique scheme, also comprises the transfer passage being arranged on and pinching between group and punch assembly.
Preferred as technique scheme, described power set are hydraulic presses.
In sum, the present invention has following beneficial effect:
1, corrugated plating of the present invention can replace metal corrugated plate of the prior art, becomes the basis of the structured packing forming polytetrafluoroethylene (PTFE) material; Polytetrafluoroethylene (PTFE) has superpower resistance to corrosion, uses the structured packing of polytetrafluoroethylene (PTFE) material effectively can extend downtime, usually can ensure not need in 3 years to upgrade, have significant economic benefit;
2, calender of the present invention makes the surface of polytetrafluoroethylene (PTFE) base band become coarse, corrugated plating can be made to have the ability of hanging liquid, significantly promote mass-transfer efficiency;
3, stamping machine of the present invention gives polytetrafluoroethylene (PTFE) base band a large amount of through holes, can play the liquid distributed on plate, strengthen the effect of empir-ical formulation;
4, corrugation forming machine of the present invention can be described as the core of technology, fluoroplastics machining property difference difficult forming, even if also easily rebound after shaping, thus be difficult to the qualified corrugated plating of obtained outward appearance, " three skill in using a kitchen knife in cookery " that the present invention proposes becomes the basis addressed this problem, first cutter precompressed, make the blank of the first tool corrugated plating of base band, second cutter hot pressing, pressure is larger, and impression is also darker, form ripple, 3rd cutter is firm, and the effect that the second cutter is produced is fixed, thus achieves the manufacture of perfluoroplastic corrugated plating.
Accompanying drawing explanation
Fig. 1 is the structural representation of polytetrafluoroethylene (PTFE) corrugated plating;
The enlarged drawing in Tu2Shi Tu1Zhong A district;
Fig. 3 is calender structural representation of the present invention;
Fig. 4 is stamping system structural representation of the present invention;
Fig. 5 is corrugation forming machine structural representation of the present invention;
The enlarged drawing in Tu6Shi Tu5Zhong A district;
Fig. 7 is the split type structural representation of the three-dimensional structured packing of polytetrafluoroethylene (PTFE) corrugated plating of the present invention;
Fig. 8 is the structural representation of polytetrafluoroethylene (PTFE) corrugated plating disc type of the present invention structured packing;
Fig. 9 is the structural representation of mould of the present invention;
Figure 10 is the structural representation of the fast disassembly type locking piece being applicable to mould;
In figure, 1-body construction, 2-binding structure, 10-corrugated plating, between 11-mass-transfer zone, 101-ripple, 102-through hole;
20-cranse; 30-reinforcement;
31-unreeling shaft, 32-base band transport platform, 33-limiting plate, 34-roller frame, 35-pressure roller shaft, 36-pressure roller, 37-shaft coupling, 38-reducing motor, 39-gear;
41-unreeling shaft, 42-increases section, 43-first passage, 44-buffer table, 45-second channel, 46-limit for width platform, 47-stamping station, 48-staking punch, 49-winder;
51-carrying roller, 52-pinch roll, 53-rotating shaft, 54-roll stand, 55-transfer passage, 56-hydraulic press, 57-baroclines cutter group, 58-pressure-bearing platform, 59-curing station, the pre-push type broach of 57-1-, 57-2-hot pressing cutter, push type broach after 57-3-, 57-1-1-limiting stand;
The horizontal frame of 61-, 62-encloses frame, 63-limited block, 64-pull bar, 65-lock dog, 66-hinge, 67-press handle, 68-spring, 67-1-eccentric wheel, 67-2-plectrum;
71-base station, 72-guide rod, 73-powers on hot wafering, electric heating briquetting under 74-, 75-electric heating plug, the heat insulation cushion pad of 76-, 77-fixed block, 78-screw mandrel, 79-handwheel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is explained further.
This detailed description of the invention is only explanation of the invention is not limitation of the present invention; as long as any change of those skilled in the art done by after having read description of the present invention, in the protection domain of claims, all will be subject to the protection of Patent Law.
As shown in Figure 1-2, polytetrafluoroethylene (PTFE) corrugated plating, is tubing by polytetrafluoroethylregenerated regenerated powder through extrusion moulding, then described tubing is carried out turning and make; The pipe thickness of described tubing and described corrugated plating thickness, described polytetrafluoroethylene (PTFE) corrugated plating 10 plate body has the ripple 101 upwards swelling and arrange regularly to lower recess compartment of terrain, has some equally distributed through holes 102; The width of described ripple 101 and the width of corrugated plating 10 form angle α, α=45 °; Positive and negative two surfaces of described corrugated plating 10 are equipped with coarse structure; Described coarse structure, is specially every square centimeter and has 9-36 pit, and the aperture of described pit is 0.1mm-0.3mm, and the degree of depth of pit is 0.05mm-0.2mm.The thick 0.5-5mm of described corrugated plating 10, the wide 1-5cm of ripple, wave height 0.2-3cm, described through hole 102 aperture is 0.2-0.8cm.
The method for making of above-mentioned polytetrafluoroethylene (PTFE) corrugated plating, described polytetrafluoroethylene (PTFE) base band is tubing by polytetrafluoroethylregenerated regenerated powder through extrusion moulding, then described tubing is carried out turning and makes; The pipe thickness of described tubing and described corrugated plating thickness, comprise the following steps:
(1) with polytetrafluoroethylene (PTFE) base band for raw material, by the calendering effect of shaggy roller, make the base band I with surface roughness;
(2) by base band I with punching press or the drilling of roll-in mode, manufactured Board body has the base band II of some equally distributed through holes 102;
(3) width of the width and corrugated plating 10 that base band II are pressed into ripple 101 by oblique blade corrugation forming machine forms the polytetrafluoroethylene (PTFE) corrugated plating of angle α, wherein α=45 °.
As shown in Figure 3, for the preparation of the calender of base band I, comprise frame, be arranged at the roller frame 34 of frame, be installed on the pressure roller shaft 35 of described roller frame 34 by bearing and be sheathed on the pressure roller 36 of described pressure roller shaft 35; Described pressure roller 36 and pressure roller shaft 35 are equipped with two, form a pressure roller group, and one is located at top, and another is located at below, and at least one pressure roller 36 is connected on power input equipment; Described pressure roller 36 is shaggy rollers, in order to impose calendering effect to the PTFE base band through it thus to make the Surface Creation coarse structure of described polytetrafluoroethylene (PTFE) base band.Also comprise base band transport platform 32, described base band transport platform 32 is arranged on the front of described pressure roller group, and the rational height of the rational height of described base band transport platform 32 and described pressure roller group adapts.Also comprise two limiting plates 33, described limiting plate 33 is also arranged on the both sides of base band transport platform 32 while being arranged on the top of described base band transport platform 32, thus and described base band transport platform 32 jointly limit between a delivery area passed through for polytetrafluoroethylene (PTFE) base band being positioned at its surface at its width and short transverse.Also comprise shaft coupling 37 and reducing motor 38, the affixed other end of output shaft of described shaft coupling 37 one end and described reducing motor 38 is with wherein arbitrary described pressure roller shaft 35 is affixed.Also comprise unreeling shaft 31, described unreeling shaft 31 is located at the front of described base band transport platform 32.The rational height of described unreeling shaft 31 is higher than described base band transport platform 32.Also comprise the meshing transmission structure be made up of two gears 39, the pressure roller shaft 35 that one of them gear 39 is disposed therein, another gear is arranged at another pressure roller shaft 35.Described limiting plate 33 has slotted eye, and fixed by described slotted eye and described base band transport platform 32 bolt, thus by regulating the lateral displacement of limiting plate 33 to realize the width adjusting between described delivery area, thus adapt to the width requirement of the polytetrafluoroethylene (PTFE) base band of calendering different size.
As shown in Figure 4, for the preparation of the polytetrafluoroethylene (PTFE) base band stamping system of base band II, comprise stamping machine, described stamping machine comprises staking punch 48 and stamping station 47; Also comprise the limit for width platform 46 being arranged at described stamping machine front and the winder 49 being arranged at described stamping machine rear; Described staking punch 48 is by the regularly arranged sequential combination formed of the bar that multiple front end is hollow; Described stamping station 47 is provided with some apertures, and described aperture is corresponding with described staking punch 48.Also comprise be arranged on described limit for width platform 46 front bracket 41, be successively set on first passage 43, buffer table 44 and second channel 45 between described bracket 41 and limit for width platform 46, be arranged on growth section 42 between described bracket 41 and first passage 43.Described limit for width platform 46 is back-to-back screwed onto on a platform by two L-type sheet metal one the first from left right sides to form.
As seen in figs. 5-6, polytetrafluoroethylene (PTFE) base band corrugation forming machine, comprises frame, pinches assembly and punch assembly; Described pinch assembly comprise pinch roll 52, for carry described pinch roll 52 rotating shaft 53 and in accepting the roll stand 54 of described rotating shaft 53; Described punch assembly comprises barocline cutter group 57 and pressure-bearing platform 58, and cutter group 57 of baroclining is arranged on power set, described in the barocline setting direction of cutter group 57 and the described direction that pinches pinching assembly form angle α, α=45 °; Described pressure-bearing platform 58 is provided with the teeth groove adapted with described cutter group 57 of baroclining.The described cutter 57 that baroclines comprises pre-push type broach 57-1, hot pressing cutter 57-2 and rear push type broach 57-3; The cutting edge of described pre-push type broach 57-1, hot pressing cutter 57-2 and rear push type broach 57-3 is blunt mouth.Described pre-push type broach 57-1, hot pressing cutter 57-2 are fixedly connected with rear push type broach 57-3.With boss object polytetrafluoroethylene (PTFE) base band for benchmark, compared to described pre-push type broach 57-1 and rear push type broach 57-3, during embossing operation, described hot pressing cutter 57-2 produces more deep impression.The blade side of described pre-push type broach 57-1 is provided with limiting stand 57-1-1.Described teeth groove comprises pre-push type broach joint portion 58-1, hot pressing cutter joint portion 58-2 and rear push type broach joint portion 58-3; Described pressure-bearing platform also comprises the first platform and the second platform; Described first platform flushes with the upper limb of described pre-push type broach joint portion 58-1, and described second platform flushes with the lower edge of described rear push type broach joint portion 58-3; When described pre-push type broach 57-1, hot pressing cutter 57-2 and rear push type broach 57-3 press down simultaneously, described limiting stand 57-1-1 and described first platform produce the interaction of power, and described rear push type broach 57-3 and described second platform produce the interaction of power.The edge of a knife of described rear push type broach 57-3 is wider than the edge of a knife of described hot pressing cutter 57-2.Also comprise and be arranged on the carrying roller 51 pinching assembly front and the curing station 59 being arranged on punch assembly rear.Also comprise the transfer passage 55 being arranged on and pinching between group and punch assembly.Described power set are hydraulic presses 56.
Foregoing illustrate corrugated plating and method for making thereof, below illustrate disc type structured packing and method for making thereof.
As shown in Figure 8, the structured packing of polytetrafluoroethylene (PTFE) disc type, is made up of above-mentioned polytetrafluoroethylene (PTFE) corrugated plating, comprises body construction 1 and binding structure 2; Described body construction 1 is formed by stacking by some edge-on polytetrafluoroethylene (PTFE) corrugated platings 10; Described binding structure 2 is formed at described body construction 1 by polytetrafluoroethylene (PTFE) cranse 20 banding.Also comprise reinforcement structure, described reinforcement structure is placed through in described body construction 1 by polytetrafluoroethylene (PTFE) reinforcement 30 level and is formed.Described polytetrafluoroethylene (PTFE) reinforcement 30 is set in polyfluortetraethylene pipe inside by rigidity plug, and by the hermetically-sealed construction having rigidity, decay resistance concurrently of described polyfluortetraethylene pipe two ends melting welding formation.Also comprise suture texture, described suture texture is, by polytetrafluoroethylene (PTFE) single line, described body construction 1 and binding structure 2 are made all-in-one-piece structure.
The method for making of above-mentioned polytetrafluoroethylene (PTFE) disc type structured packing, comprises the following steps:
1. cutting: corrugated plating 10 is cut out suitable length;
2. load: the corrugated plating 10 of appropriate length is filled in mould in edge-on mode, keep crest between adjacent corrugated plating 10 to contact with wave crest point simultaneously, thus between formation mass-transfer zone 11, after filling, form body construction 1;
3. cranse: use the cranse of polytetrafluoroethylene (PTFE) material by described body construction 1 banding, form binding structure 2;
4. strengthen: lateral opening on described body construction 1, and in hole, load polytetrafluoroethylene (PTFE) reinforcement 30 formation reinforcement structure, described polytetrafluoroethylene (PTFE) reinforcement 30 is set in polyfluortetraethylene pipe inside by rigidity plug, and by the hermetically-sealed construction having rigidity, decay resistance concurrently of described polyfluortetraethylene pipe two ends melting welding formation;
5. sew up: with polytetrafluoroethylene (PTFE) single line, described body construction 1 and binding structure 2 are sewn into suture texture.
Described filling step mould therefor has regulatory function, is compressed by described body construction 1 by described mould; Described strengthening step completes in the mold, and completes the location of perforate drill bit by the duct of mould.
As shown in Figure 9, above-mentioned mould, i.e. polytetrafluoroethylene (PTFE) structured packing mould, comprise horizontal frame 61 and enclose frame 62, encloses the span of frame 62 described in the length of described horizontal frame 61 is not less than; Described horizontal frame 61 at its two ends by locked component with enclose frame 62 and fix; Described horizontal frame 61 is provided with duct 611, described in enclose position corresponding to described duct 611 on frame 62 and be provided with notch 621.Described locked component comprises bolt and nut.
As shown in Figure 10, fast disassembly type locking piece, this locking piece can be used for replacing above-mentioned bolt and nut thus makes the horizontal frame 61 of dismounting and enclose frame 62 to have advantage easily and fast.Fast disassembly type locking piece, comprises limited block 63, pull bar 64, lock dog 65, hinge 66 and press handle 67; Described limited block 63 is positioned at one end of described pull bar 64, and the other end of described pull bar 64 is provided with described hinge 66, and described press handle 67 is hinged on described hinge 67; Described lock dog 65 is movably set in described hinge 66.Described press handle 67 is by eccentric wheel 67-1 and the plectrum 67-2 affixed with described eccentric wheel, and described press handle 67 is hinged on described hinge 66 by described eccentric wheel 67-1.Also comprise spring 68, described spring 68 is set on described hinge 66, and and is separated with described lock dog 65 between described hinge 66.Described lock dog 65 is affixed with described spring 68.
As shown in Figure 7, the three-dimensional structured packing of polytetrafluoroethylene (PTFE), is formed by stacking by above-mentioned disc type structured packing, and described disc type structured packing is split type, is by the disk of several combination of monomers, forms split seam between monomer; Split seam between neighbouring two-layer structured packing forms angle β, β=90 °.
Claims (10)
1. the three-dimensional structured packing of polytetrafluoroethylene (PTFE), is characterized in that: be formed by stacking by disc type structured packing, and described disc type structured packing comprises body construction (1) and binding structure (2); Described body construction (1) is formed by stacking by some edge-on polytetrafluoroethylene (PTFE) corrugated platings (10); Described binding structure (2) is formed at described body construction (1) by polytetrafluoroethylene (PTFE) cranse (20) banding.
2. the three-dimensional structured packing of polytetrafluoroethylene (PTFE) according to claim 1, it is characterized in that: described disc type structured packing also comprises reinforcement structure, described reinforcement structure is placed through in described body construction (1) by polytetrafluoroethylene (PTFE) reinforcement (30) level and is formed.
3. the three-dimensional structured packing of polytetrafluoroethylene (PTFE) according to claim 2, it is characterized in that: described polytetrafluoroethylene (PTFE) reinforcement (30) is set in polyfluortetraethylene pipe inside by rigidity plug, and by the hermetically-sealed construction having rigidity, decay resistance concurrently of described polyfluortetraethylene pipe two ends melting welding formation.
4. the three-dimensional structured packing of polytetrafluoroethylene (PTFE) according to claim 1, it is characterized in that: described disc type structured packing also comprises suture texture, described suture texture is, by polytetrafluoroethylene (PTFE) single line, described body construction (1) and binding structure (2) are made all-in-one-piece structure.
5. the three-dimensional structured packing of polytetrafluoroethylene (PTFE) according to claim 1, it is characterized in that: the width of the ripple of described corrugated plating (10) and the width of corrugated plating form angle α, thus adjacent two pieces of corrugated platings (10) edge-on superimposed time crest to contact with wave crest point and form (11) between mass-transfer zone, 30 °≤α≤60 °.
6. the three-dimensional structured packing of polytetrafluoroethylene (PTFE) according to claim 5, is characterized in that: positive and negative two surfaces of corrugated plating (10) are equipped with coarse structure, and plate body has some equally distributed through holes.
7. the three-dimensional structured packing of polytetrafluoroethylene (PTFE) according to claim 1, is characterized in that: described disc type structured packing is split type, is by the disk of several combination of monomers, forms split seam between monomer; Split seam between neighbouring two-layer structured packing forms angle β, 60 °≤β≤90 °.
8. the three-dimensional structured packing of polytetrafluoroethylene (PTFE) according to claim 1, is characterized in that: described disc type structured packing is monolithic construction.
9. the method for making of the three-dimensional structured packing of polytetrafluoroethylene (PTFE) as described in as arbitrary in claim 1-8, comprises the following steps:
1. cutting: corrugated plating (10) is cut out suitable length;
2. load: the corrugated plating (10) of appropriate length is filled in mould in edge-on mode, keep crest between adjacent corrugated plating (10) to contact with wave crest point simultaneously, thus between formation mass-transfer zone (11), after filling, form body construction (1);
3. cranse: use the cranse (20) of polytetrafluoroethylene (PTFE) material by described body construction (1) banding;
4. strengthen: at the upper lateral opening of described body construction (1), and in hole, load polytetrafluoroethylene (PTFE) reinforcement (30) formation reinforcement structure, described polytetrafluoroethylene (PTFE) reinforcement (30) is set in polyfluortetraethylene pipe inside by rigidity plug, and by the hermetically-sealed construction having rigidity, decay resistance concurrently of described polyfluortetraethylene pipe two ends melting welding formation;
5. sew up: with polytetrafluoroethylene (PTFE) single line, described body construction (1) and binding structure (2) are sewn into suture texture, make disc type structured packing;
6. stacking: by the three-dimensional structured packing of the stacking formation of some described disc type structured packings.
10. the method for making of the three-dimensional structured packing of polytetrafluoroethylene (PTFE) according to claim 9, is characterized in that: described filling step mould therefor has regulatory function, is compressed by described body construction (1) by described mould; Described strengthening step completes in a second mold: transfer in the second mould by body construction (1), completed the location of perforate drill bit by the duct of the second mould.
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| CN201510188001.8A CN104841351B (en) | 2015-04-21 | 2015-04-21 | The three-dimensional structured packing of politef and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109012560A (en) * | 2018-08-07 | 2018-12-18 | 浙江赛迅环保科技有限公司 | A kind of polytetrafluoroethylene (PTFE) disc type structured packing and preparation method |
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| CN2139019Y (en) * | 1992-11-24 | 1993-07-28 | 化学工业部上海化工研究院 | Net corrugated filling |
| CN101121110A (en) * | 2006-05-17 | 2008-02-13 | 气体产品与化学公司 | Reactor with expandable structure providing improved heat transfer |
| CN202639012U (en) * | 2012-04-13 | 2013-01-02 | 天津市海晟易铭科技有限公司 | Wave plate rolling forming equipment |
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2015
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2139019Y (en) * | 1992-11-24 | 1993-07-28 | 化学工业部上海化工研究院 | Net corrugated filling |
| CN101121110A (en) * | 2006-05-17 | 2008-02-13 | 气体产品与化学公司 | Reactor with expandable structure providing improved heat transfer |
| CN202639012U (en) * | 2012-04-13 | 2013-01-02 | 天津市海晟易铭科技有限公司 | Wave plate rolling forming equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109012560A (en) * | 2018-08-07 | 2018-12-18 | 浙江赛迅环保科技有限公司 | A kind of polytetrafluoroethylene (PTFE) disc type structured packing and preparation method |
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| CN104841351B (en) | 2017-01-04 |
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Effective date of registration: 20170927 Address after: Room 3, building 3089, 203 South Road, Xintang street, Xiaoshan District, Hangzhou, Zhejiang Patentee after: Hangzhou Li Long macromolecule Mstar Technology Ltd Address before: Xiaoshan district town Hangzhou city Zhejiang province 311200 hills Xu Village Patentee before: Hangzhou Li Jiu Science and Technology Ltd. |
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Address after: Room 3, building 3089, 203 South Road, Xintang street, Xiaoshan District, Hangzhou, Zhejiang Patentee after: Zhejiang lijiu Environmental Technology Co.,Ltd. Address before: Room 3, building 3089, 203 South Road, Xintang street, Xiaoshan District, Hangzhou, Zhejiang Patentee before: HANGZHOU LIJIU POLYMER MATERIAL TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Three dimensional structured packing of polytetrafluoroethylene and its preparation method Effective date of registration: 20220418 Granted publication date: 20170104 Pledgee: Xiaoshan sub branch of Hangzhou United Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang lijiu Environmental Technology Co.,Ltd. Registration number: Y2022330000538 |