CN102247795A - Cheap and high efficiency rectification filler and preparation method thereof - Google Patents
Cheap and high efficiency rectification filler and preparation method thereof Download PDFInfo
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Abstract
The invention which relates to the field of structured fillers concretely relates to a cheap and high efficiency rectification filler and a preparation method thereof. The filler which is suitable for a rectification operation under a temperature of less than 300 DEG C is formed by stacking filler unit plates with corrugated shapes, the filler unit plates are foamed resin-based filler unit plates with three-dimensional connected network structures, the foam pore sizes are between 10PPi and 80PPi, and the volume fraction is controlled between 10% and 80%. A plurality of the filler unit plates are stacked, the filler unit plates of the odd-numbered layers have a consistent channel direction, and the filler unit plates of the even-numbered layers have a consistent channel direction, and an angle between the channel direction of the filler unit plates of the odd-numbered layers and the channel direction of the filler unit plates of the even-numbered layers is 30-170 DEG; a corrugation angle between a corrugation parallel direction and a vertical direction of a filler disc is 15-85 DEG, corrugations of adjacent filler unit plates have a same angle and opposite directions; and the filler unit plates are bonded after being stacked, and are subjected to a heat treatment to obtain the filler. The foamed resin-based structured filler unit plates of the invention allows the three-dimensional network connectivity characteristic of a polyurethane foamed plastic template to be kept, and has the characteristics of large specific surface area, thin wall, cheapness, high chemical stability and the like.
Description
Technical field
The present invention relates to the structured packing field, be specially a kind of Cheap highly effective fractional distillation filling-material and preparation method thereof, this filler is the regular foamed resin based filler of ripple, is specially adapted to the distillation operation below 300 ℃, has characteristics such as efficient, cheapness.
Background technology
Filler is the core part in the chemical industry mass transfer apparatus, and its effect mainly is to provide sufficient contact-making surface for gas-liquid or liquid liquid two-phase, strengthens two alternate mass transfer or diabatic processes.The structure of filler and performance have decisive influence to the technical-economic index of packed tower, are a kind of products that has a large capacity and a wide range, and have important social and economic benefit.
Filler commonly used can be from broadly being divided into " dumped packing " and " regular condiment " two kinds.Wherein, structured packing helps promoting liquid and the heat transfer between the steam stream and the mass transfer of counter-current flow, compares with dumped packing or column plate, the heat transfer and the mass-transfer efficiency of structured packing are higher, pressure drop is low, and performance has more predictability, therefore obtains application more and more widely in chemical industry.At present, efficient structured packing commonly used is by the stacked at a certain angle BX filler that obtains of wavy metal silk screen, but the cost and price of metal mesh type filler is all high a lot of than general filler, and corrosion resistance is lower, has limited the range of application of this kind filler.Therefore, the high efficiency, low cost filler of development of new is an important directions of filler research.
Summary of the invention
The objective of the invention is to invent a kind of Cheap highly effective fractional distillation filling-material and preparation method thereof, this filler is for being the structured packing of basic composition unit with foamed resin first-harmonic card, its specific area is big, acid-alkali-corrosive-resisting, studies show that through small scale experiments and Chinese style: this kind novel foam resin-based corrugated regular filler mass-transfer efficiency height, theoretical cam curve height (existing BX filler is enhanced about more than once), with low cost, be suitable for large-scale promotion.
Technical scheme of the present invention is:
A kind of Cheap highly effective fractional distillation filling-material, this filler is that the filler unit plate stack combinations with bellows-shaped forms, described filler unit plate is the foamed resin based filler cell board with three-dimensional networks structure, foam aperture is between 10PPi～80PPi, and volume fraction is controlled between 10～80%.
Described Cheap highly effective fractional distillation filling-material, the cross sectional shape of foaming structure filler unit plate are the wavy or slick and sly waveforms of the sharp-pointed sawtooth triangle of drift angle; Crest
Scope between 5mm～30mm, crest
The pitch of waves:
(1～4).
Described Cheap highly effective fractional distillation filling-material, multi-disc filler unit flaggy is folded to be put, the filler unit plate channel direction unanimity of odd-level, the filler unit plate channel direction unanimity of even level has one 30 °～170 ° angle between the channel direction of odd-level and even level; Parallel corrugation direction and packing box vertical direction have the ripple inclination angle between one 15 °～85 °, and the ripple inclination angle of adjacent filler unit plate is identical, and direction is opposite; Stacked back is bonding, and heat treatment again obtains filler.
The preparation method of described Cheap highly effective fractional distillation filling-material comprises the steps:
(1) with the weight specific heat thermosetting resin: solia particle: curing agent: organic solvent=100: (20～200): (3～20): the ratio of (20～200) is mixed above-mentioned raw materials, and ball milling obtained slip after 0.5～2 hour;
(2) polyurethane foam plastics is cut into crest in advance
Scope between 5mm～30mm, crest
The pitch of waves
: the foamed plastics corrugated plating of (1～4), sheet metal thickness 1～8mm;
(3) step (2) gained foamed plastics corrugated plating is flooded in step (1) gained slip, guarantee that foamed plastics corrugated plating all sites all has slip to adhere to, take out the foamed plastics corrugated plating afterwards, blow away unnecessary slip in the foamed plastics corrugated plating eyelet with compressed air, room temperature is dried;
(4) place the foamed plastics corrugated plating after drying two to be preheated in the middle of 90～150 ℃ the mould; This mould is upper and lower two of closely interlock, and its occlusal surface is processed to have the bellows-shaped with the same parameter of foamed plastics corrugated plating; With mould the foamed plastics corrugated plating is depressed into the thickness that needs afterwards, is incubated 2～5 minutes again, make the foamed plastics corrugated plating solidifying and setting after the compression; Foam corrugated plating thickness after the compression is between 0.5mm～3mm;
(5) the foamed plastics corrugated plating after will finalizing the design floods in step (1) gained slip, blows away unnecessary slip, oven dry afterwards, and bake out temperature is 120～150 ℃; Repeatedly flood and dry, finally obtain the filler unit plate of volume required mark 10%～80%;
(6) carry out multi-disc filler unit plate stacked, the filler unit plate channel direction unanimity of odd-level wherein, the filler unit plate channel direction unanimity of even level, the channel direction of odd-level and even level has one 30 °～170 ° angle, stacked back is bonding, be assembled into packing box, bonding agent is step (a 1) gained slip; The parallel corrugation direction of packing box and packing box vertical direction have the ripple inclination angle between one 15 °～85 °, and the ripple inclination angle of adjacent filler unit plate is identical, and direction is opposite;
(7) packing box under non-strong oxidizing property gas shield, heat treatment between 250 ℃～380 ℃ decompose to be discharged polyurethane foam plastics, obtains the finished product filler.
The preparation method of described Cheap highly effective fractional distillation filling-material, the average pore size 10PPi of described polyurethane foam plastics～80PPi, percent opening is more than 99%.
Described thermosetting resin is epoxy resin, phenolic resins or furfural resin; Described curing agent is: p-methyl benzenesulfonic acid, urotropine, oxalic acid or citric acid.
Described solia particle is a ceramic particle: silicon-carbide particles, alumina particulate, silicon oxide particle, titanium oxide microparticle; Perhaps, described solia particle is the inorganic matter particulate: clay or molecular sieve; The granularity of solia particle is 10 nanometers～25 micron.
Described organic solvent is ethanol, acetone or propyl alcohol.
Described non-strong oxidizing property gas is hydrogen, nitrogen, argon gas or carbon dioxide.
Compare with the structured packing of other material or structure, the present invention has following beneficial effect:
1, the corrugated plating of the present invention preparation has foam porous structure, characteristics that specific area is big, helps the abundant contact of gas-liquid two-phase in the distillation operation, improves rectification efficiency.
2, the mould extrusion process taked of the present invention not only can reduce the porosity of corrugated plating, and then reduces the liquid holdup of filler, and can also further improve the specific surface of unit volume corrugated plating, and the improvement of these two parameters all helps to improve rectification efficiency.
3, the present invention prepares the used slip of packing box and both can prepare separately, also can use the clout of foam silicon carbon in producing, and helps cost control.
4, the packing box for preparing among the present invention need not technologies such as high temperature sintering and welding, and step is few, the cycle is short, also helps to reduce cost.
5, the packing box of the present invention preparation in use, its chemical property is stable, resinous principle can not dissolve in the rectifying product, causes product pollution.
In a word, filler unit plate of the present invention has kept the three-dimensional network of polyurethane foam plastics template to be communicated with characteristic, have characteristics such as specific area is big, thin-walled, cheapness, chemical stability height, by its novel foam resin-based corrugated regular filler mass-and heat-transfer efficient height, light weight of forming, liquid holdup is little, pressure drop is low, the more existing woven wire structured packing of theoretical cam curve is enhanced about more than once, can realize the energy-saving effect more than 50%, and can reduce tower height, reduce the tower investment.Because the raw material sources of foamed resin first-harmonic line structured packing are extensive, post-processing step is few, thereby has significantly reduced the cost of manufacture of filler, can be widely used in being no more than 300 ℃ rectifying environment.
Description of drawings
Fig. 1 is a process chart of the present invention.
Fig. 2 (a)-Fig. 2 (b) is the schematic cross-section of filler unit plate of the present invention.Wherein, Fig. 2 (a) is the sawtooth triangle; Fig. 2 (b) is slick and sly waveform; 1 passage; 2 moire angles;
Represent crest,
Represent the pitch of waves.
The specific embodiment
As shown in Figure 1, the technological process of Cheap highly effective fractional distillation filling-material of the present invention comprises: organic foam corrugated plating → dipping ceramic slurry, moulding → mould → repeated impregnations → corrugated plating presoma → stack bonding → bonding, heat treatment, machine add-on type.Specific as follows:
(1) with the weight specific heat thermosetting resin: solia particle: curing agent: organic solvent=100: (20～200): (3～20): the ratio of (20～200) is mixed above-mentioned raw materials, and ball milling obtained slip after 0.5～2 hour;
Thermosetting resin: solia particle: curing agent: the preferred weight ratio of organic solvent is 100: (50～100): (5～10): (50～100).
(2) polyurethane foam plastics is cut into crest in advance
Scope between 5mm～30mm, crest
: the pitch of waves
: the foamed plastics corrugated plating of (1～4), sheet metal thickness 1～8mm; The cross sectional shape of foaming structure filler unit plate is the wavy or slick and sly waveform of the sharp-pointed sawtooth triangle of drift angle, sees Fig. 2 (a)-Fig. 2 (b);
(3) step (2) gained foamed plastics corrugated plating is flooded in step (1) gained slip, guarantee that foamed plastics corrugated plating all sites all has slip to adhere to, take out the foamed plastics corrugated plating afterwards, blow away unnecessary slip in the foamed plastics corrugated plating eyelet with compressed air, room temperature is dried;
(4) place the foamed plastics corrugated plating after drying two to be preheated in the middle of 90～150 ℃ the mould; This mould is two up and down, closely interlock, and its occlusal surface is processed to have the bellows-shaped with the same parameter of foamed plastics corrugated plating; With mould the foamed plastics corrugated plating is depressed into the thickness (between 0.5mm～3mm) that needs afterwards, is incubated 2～5 minutes again, make the foamed plastics corrugated plating solidifying and setting after the compression;
(5) the foamed plastics corrugated plating after will finalizing the design floods in step (1) gained slip, blows away unnecessary slip, oven dry afterwards, and bake out temperature is 120～150 ℃; Repeatedly flood and dry, finally obtain the filler unit plate of volume required mark 10%～80%;
(6) multi-disc filler unit plate is carried out stacked putting, the filler unit plate passage 2 direction unanimities of odd-level, the filler unit plate passage 2 direction unanimities of even level, passage 2 directions of odd-level and even level have one 30 °～170 ° angle, stacked back is bonding, be assembled into packing box, bonding agent is step (a 1) gained slip; Parallel corrugation direction of packing box (being passage 2 directions) and packing box vertical direction have the ripple inclination angle between one 15 °～85 °, and the ripple inclination angle of adjacent filler unit plate is identical, and direction is opposite;
(7) packing box under non-strong oxidizing property gas shield, heat treatment between 250 ℃～380 ℃ decompose to be discharged polyurethane foam plastics, obtains the finished product filler.This filler is that the filler unit plate stack combinations with bellows-shaped forms, described filler unit plate is the foamed resin based filler cell board with three-dimensional networks structure, foam aperture is between 10PPi～80PPi, and volume fraction can be controlled between 10～80%.The filler unit plate is vertically arranged, the stack that is parallel to each other between each plate, and parallel corrugation direction and packing box vertical direction have the ripple inclination angle between one 15 °～85 °, and the ripple inclination angle of adjacent filler unit plate is identical, and direction is opposite.
The average pore size 10PPi of described polyurethane foam plastics～80PPi, percent opening is more than 99%; Described thermosetting resin is epoxy resin, phenolic resins or furfural resin; Described curing agent is: p-methyl benzenesulfonic acid, urotropine, oxalic acid or citric acid; Described solia particle is other solia particles such as silicon-carbide particles, alumina particulate, silica, titanium oxide microparticle and clay, molecular sieve, and granularity is 10 nanometers～25 micron; Described organic solvent is ethanol, acetone or propyl alcohol; Described non-strong oxidizing property gas is hydrogen, nitrogen, argon gas or carbon dioxide.
In the present embodiment, the preparation method of fractional distillation filling-material comprises the steps:
(1) with weight ratio phenolic resins: silicon-carbide particles: p-methyl benzenesulfonic acid: ethanol=100: 100: 15: 80 ratio is mixed above-mentioned raw materials, and ball milling obtained slip after 1 hour; Described silicon-carbide particles granularity is 5 microns.
(2) polyurethane foam plastics is cut into crest in advance
The pitch of waves
Moire angles 2=72 ° foamed plastics corrugated plating, sheet metal thickness 4mm; Average pore size 30～the 40PPi of described polyurethane foam plastics, percent opening is more than 99%;
(3) step (2) gained foamed plastics corrugated plating is flooded in step (1) gained slip, guarantee that foamed plastics corrugated plating all sites all has slip to adhere to, take out the foamed plastics corrugated plating afterwards, blow away unnecessary slip in the foamed plastics corrugated plating eyelet with compressed air, room temperature was dried in 2 minutes;
(4) place the foamed plastics corrugated plating after drying two to be preheated in the middle of 120 ℃ the mould; This mould is two up and down, closely interlock, and its occlusal surface is processed to have and ditch the equally bellows-shaped of the degree of depth and peak separation of foamed plastics corrugated plating; It is thick with mould the foamed plastics corrugated plating to be depressed into 2mm afterwards, is incubated 3 minutes again, makes the foamed plastics corrugated plating solidifying and setting after the compression;
(5) the foamed plastics corrugated plating after will finalizing the design floods in step (1) gained slip, blows away unnecessary slip, oven dry afterwards, and bake out temperature is 120 ℃; Repeatedly flood and dry, finally obtain the filler unit plate of volume required mark 50%;
(6) be multi-disc filler unit plate that 90 ° rules layer stacks and puts according to passage 2 angular separations of odd-level filler plate and even level filler plate, the usefulness bonding agent is bonding between layer and the layer, and bonding agent is step (a 1) gained slip, is assembled into packing box;
(7) packing box under argon shield, in 300 ℃ of heat treatments, polyurethane foam plastics decompose to be discharged after, promptly obtain the finished product filler.
This filler is that the filler unit plate stack combinations with bellows-shaped forms, described filler unit plate is the foamed resin based filler cell board with three-dimensional networks structure, foam aperture is between 30～40PPi, and volume fraction can be controlled in 50%, and filler unit Lamb wave line shape is a triangle.The filler unit plate is vertically arranged, the stack that is parallel to each other between each plate, and parallel corrugation direction and packing box vertical direction have one 45 ° ripple inclination angle (θ), and the ripple inclination angle of adjacent filler unit plate is identical, and direction is opposite.The packing box diameter is 100mm, and the dish height is 100mm, and geometric properties sees Table 1.
Above-mentioned resin-based filler has carried out freezing mask and hotting mask experiment on small-sized rectifying experimental provision, hydrodynamic characteristic and mass transfer characteristic to filler are studied, concrete operations are as follows: the structured packing of foamed resin first-harmonic line is stacked in the rectifying column of packing in levels corrugated plate square crossing mode, the research that experimentizes of essence-water binary test system is spilt in utilization, and experimentation is total reflux operation.And contrast with maximum, the most effective woven wire BX structured packing (material is 316L) of existing industrial application.Test data of experiment sees Table 2.
In the present embodiment, the preparation method of fractional distillation filling-material comprises the steps:
(1) with weight ratio epoxy resin: alumina particulate: citric acid: acetone=100: 50: 5: 100 ratio is mixed above-mentioned raw materials, and ball milling obtained slip after 2 hours; Described alumina particulate granularity is 2 microns.
(2) polyurethane foam plastics is cut into crest in advance
The pitch of waves
Moire angles 2=78 ° foamed plastics corrugated plating, sheet metal thickness 4mm; Average pore size 30～the 40PPi of described polyurethane foam plastics, percent opening is more than 99%;
(3) step (2) gained foamed plastics corrugated plating is flooded in step (1) gained slip, guarantee that foamed plastics corrugated plating all sites all has slip to adhere to, take out the foamed plastics corrugated plating afterwards, blow away unnecessary slip in the foamed plastics corrugated plating eyelet with compressed air, room temperature was dried in 2 minutes;
(4) place the foamed plastics corrugated plating after drying two to be preheated in the middle of 150 ℃ the mould; This mould is two up and down, closely interlock, and its occlusal surface is processed to have the bellows-shaped with the same parameter of foamed plastics corrugated plating; It is thick with mould the foamed plastics corrugated plating to be depressed into 1mm afterwards, is incubated 5 minutes again, makes the foamed plastics corrugated plating solidifying and setting after the compression;
(5) the foamed plastics corrugated plating after will finalizing the design floods in step (1) gained slip, blows away unnecessary slip, oven dry afterwards, and bake out temperature is 150 ℃; Repeatedly flood and dry, finally obtain the filler unit plate of volume required mark 30%;
(6) be multi-disc filler unit plate that 120 ° rules layer stacks and puts according to passage 2 angular separations of odd-level filler plate and even level filler plate, the usefulness bonding agent is bonding between layer and the layer, and bonding agent is step (a 1) gained slip, is assembled into packing box;
(7) packing box under nitrogen protection, in 350 ℃ of heat treatments, polyurethane foam plastics decompose to be discharged after, promptly obtain the finished product filler.
This filler is that the filler unit plate stack combinations with bellows-shaped forms, described filler unit plate is the foamed resin based filler cell board with three-dimensional networks structure, foam aperture is between 60～70PPi, and volume fraction can be controlled in 30%, and filler unit Lamb wave line shape is a triangle.The filler unit plate is vertically arranged, the stack that is parallel to each other between each plate, and parallel corrugation direction and packing box vertical direction have one 60 ° ripple inclination angle (0), and the ripple inclination angle of adjacent filler unit plate is identical, and direction is opposite.The packing box diameter is 100mm, and the dish height is 100mm, and geometric properties sees Table 1.
With embodiment 1 identical test system this filler is carried out performance test, test data sees Table 2.
Table 1 foamed resin first-harmonic line structured packing geometry performance data
| Parameter | Crest height of wave/mm | The pitch of waves/mm | The length of side/mm | Moire angles/degree | Ripple inclination angle/degree | Specific area/m 2/m 3 | Corrugated plating thickness/mm | Porosity/ |
| Embodiment | ||||||||
| 1 | 11 | 19 | 11 | 72 | 45 | 1300 | 2.0 | 90 |
| |
4 | 7 | 6 | 78 | 60 | 3000 | 1.0 | 80 |
| The BX filler | 4 | 7 | 6 | 78 | 60 | 700 | 0.3 | 95 |
Annotate: in the table, moire angles is meant the angle (see figure 2) between two strip planes that are intersected in the corrugated plating on every rib, and the ripple inclination angle is meant the parallel direction of rib in the corrugated plating and the angle theta of packing box axial line, also is the inclination angle (see figure 1).
Table 2 foamed resin first-harmonic line structured packing number of theoretical plate and BX wire mesh packing are relatively
Embodiment 3
Adopt HCl acid to carry out studying relatively as the decay resistance of medium to material, the HCl acid solution (being respectively 5wt%, 10wt%, 25wt%) of 3 kinds of variable concentrations of preparation, getting line structured packing of foamed resin first-harmonic and BX filler (316L) soaked for 3 weeks in three kinds of variable concentrations solution, mass change before and after the back is measured, show that the structured packing of foamed resin first-harmonic line do not find any signs of corrosion, and BX filler (316L) is obviously weightless, and regional area has been put corruption, even hole occurs;
Embodiment 4
The foamed resin base ripple type structured packing of preparation Φ 300 * 100mm, on the pilot scale rectifying column, carry out the pilot scale amplification test, and compare with woven wire BX structured packing (material is 316L), the experiment material that is adopted is the 10wt% alcohol water blend, two kinds of packed heights all are 2 meters, total reflux operation, and the result shows that the theoretical cam curve of BX structured packing is 3.4/m, and the structured packing of foamed resin base ripple type can reach 5.3/m, improves more than 55%;
Embodiment 5
Packing box boiled 3 hours in boiling alcohol, acetone and other organic solvent after, to the organic solvent sampling and testing, the result does not measure other composition in organic solvent, shows that packing box is insoluble to organic solvent, can not pollute organic rectifying product.
Claims (9)
1. Cheap highly effective fractional distillation filling-material, it is characterized in that: this filler is that the filler unit plate stack combinations with bellows-shaped forms, described filler unit plate is the foamed resin based filler cell board with three-dimensional networks structure, foam aperture is between 10PPi～80PPi, and volume fraction is controlled between 10～80%.
2. by the described Cheap highly effective fractional distillation filling-material of claim 1, it is characterized in that: the cross sectional shape of foaming structure filler unit plate is the wavy or slick and sly waveform of the sharp-pointed sawtooth triangle of drift angle; Crest
Scope between 5mm～30mm,
3. by the described Cheap highly effective fractional distillation filling-material of claim 1, it is characterized in that: multi-disc filler unit flaggy is folded to be put, the filler unit utmost point channel direction unanimity of odd-level, the filler unit plate channel direction unanimity of even level has one 30 ° 170 ° angle between the channel direction of odd-level and even level; Parallel corrugation direction and packing box vertical direction have the ripple inclination angle between one 15 ° 85 °, and the ripple inclination angle of adjacent filler unit plate is identical, and direction is opposite; Stacked back is bonding, and heat treatment again obtains filler.
4. according to the preparation method of the described Cheap highly effective fractional distillation filling-material of claim 1, it is characterized in that, comprise the steps:
(1) with the weight specific heat thermosetting resin: solia particle: curing agent: organic solvent=100: (20～200): (3～20): the ratio of (20～200) is mixed above-mentioned raw materials, and ball milling obtained slip after 0.5～2 hour;
(2) polyurethane foam plastics is cut into crest in advance
Scope between 5mm～30mm,
The foamed plastics corrugated plating, sheet metal thickness 1～8mm;
(3) step (2) gained foamed plastics corrugated plating is flooded in step (1) gained slip, guarantee that foamed plastics corrugated plating all sites all has slip to adhere to, take out the foamed plastics corrugated plating afterwards, blow away unnecessary slip in the foamed plastics corrugated plating eyelet with compressed air, room temperature is dried;
(4) place the foamed plastics corrugated plating after drying two to be preheated in the middle of 90～150 ℃ the mould; This mould is upper and lower two of closely interlock, and its occlusal surface is processed to have the bellows-shaped with the same parameter of foamed plastics corrugated plating; With mould the foamed plastics corrugated plating is depressed into the thickness that needs afterwards, is incubated 2～5 minutes again, make the foamed plastics corrugated plating solidifying and setting after the compression; Foam corrugated plating thickness after the compression is between 0.5mm～3mm;
(5) the foamed plastics corrugated plating after will finalizing the design floods in step (1) gained slip, blows away unnecessary slip, oven dry afterwards, and bake out temperature is 120～150 ℃; Repeatedly flood and dry, finally obtain the filler unit plate of volume required mark 10%～80%;
(6) carry out multi-disc filler unit plate stacked, the filler unit plate channel direction unanimity of odd-level wherein, the filler unit plate channel direction of even level causes, the channel direction of odd-level and even level has one 30 °～170 ° angle, stacked back is bonding, be assembled into packing box, bonding agent is step (a 1) gained slip; The parallel corrugation direction of packing box and packing box vertical direction have the ripple inclination angle between one 15 °～85 °, and the ripple inclination angle of adjacent filler unit plate is identical, and direction is opposite;
(7) packing box under non-strong oxidizing property gas shield, heat treatment between 250 ℃～380 ℃ decompose to be discharged polyurethane foam plastics, obtains the finished product filler.
5. according to the preparation method of the described Cheap highly effective fractional distillation filling-material of claim 4, it is characterized in that, the average pore size 10PPi of described polyurethane foam plastics～80PPi, percent opening is more than 99%.
6. according to the preparation method of the described Cheap highly effective fractional distillation filling-material of claim 4, it is characterized in that described thermosetting resin is epoxy resin, phenolic resins or furfural resin; Described curing agent is: p-methyl benzenesulfonic acid, urotropine, oxalic acid or citric acid.
7. according to the preparation method of the described Cheap highly effective fractional distillation filling-material of claim 4, it is characterized in that described solia particle is a ceramic particle: silicon-carbide particles, alumina particulate, silicon oxide particle, titanium oxide microparticle; Perhaps, described solia particle is the inorganic matter particulate: clay or molecular sieve; The granularity of solia particle is 10 nanometers～25 micron.
8. according to the preparation method of the described Cheap highly effective fractional distillation filling-material of claim 4, it is characterized in that described organic solvent is ethanol, acetone or propyl alcohol.
9. according to the preparation method of the described Cheap highly effective fractional distillation filling-material of claim 4, it is characterized in that described non-strong oxidizing property gas is hydrogen, nitrogen, argon gas or carbon dioxide.
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| CN103935054A (en) * | 2014-04-14 | 2014-07-23 | 中国科学院金属研究所 | Preparation device and utilization method of rectifying filling precursor |
| CN104139452A (en) * | 2014-07-08 | 2014-11-12 | 刘裕秋 | Counter rotating extrusion manufacturing device of trough-peak regular corrugated packing |
| CN108745267A (en) * | 2018-08-08 | 2018-11-06 | 刘玲 | A kind of monoblock type ceramics screen waviness packings and its manufacturing method |
| CN112156748A (en) * | 2020-09-23 | 2021-01-01 | 中国科学院金属研究所 | High-strength ceramic silk screen corrugated structured packing and preparation method and application thereof |
| CN112174678A (en) * | 2020-09-23 | 2021-01-05 | 中国科学院金属研究所 | High-strength two-dimensional ceramic silk screen material and preparation method thereof |
| CN112299851A (en) * | 2020-09-23 | 2021-02-02 | 中国科学院金属研究所 | Ceramic wire mesh corrugated medium material with high thermal shock resistance and preparation method and application thereof |
| CN113388224A (en) * | 2021-06-28 | 2021-09-14 | 湖北汽车工业学院 | Phenolic resin composite board and preparation method thereof |
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| CN103935054A (en) * | 2014-04-14 | 2014-07-23 | 中国科学院金属研究所 | Preparation device and utilization method of rectifying filling precursor |
| CN103935054B (en) * | 2014-04-14 | 2016-06-01 | 中国科学院金属研究所 | The preparation facilities of a kind of fractional distillation filling-material presoma and using method thereof |
| CN104139452A (en) * | 2014-07-08 | 2014-11-12 | 刘裕秋 | Counter rotating extrusion manufacturing device of trough-peak regular corrugated packing |
| CN108745267A (en) * | 2018-08-08 | 2018-11-06 | 刘玲 | A kind of monoblock type ceramics screen waviness packings and its manufacturing method |
| CN112156748A (en) * | 2020-09-23 | 2021-01-01 | 中国科学院金属研究所 | High-strength ceramic silk screen corrugated structured packing and preparation method and application thereof |
| CN112174678A (en) * | 2020-09-23 | 2021-01-05 | 中国科学院金属研究所 | High-strength two-dimensional ceramic silk screen material and preparation method thereof |
| CN112299851A (en) * | 2020-09-23 | 2021-02-02 | 中国科学院金属研究所 | Ceramic wire mesh corrugated medium material with high thermal shock resistance and preparation method and application thereof |
| CN112156748B (en) * | 2020-09-23 | 2022-04-05 | 中国科学院金属研究所 | High-strength ceramic silk screen corrugated structured packing and preparation method and application thereof |
| CN112299851B (en) * | 2020-09-23 | 2022-05-31 | 中国科学院金属研究所 | Ceramic wire mesh corrugated medium material with high thermal shock resistance and preparation method and application thereof |
| CN113388224A (en) * | 2021-06-28 | 2021-09-14 | 湖北汽车工业学院 | Phenolic resin composite board and preparation method thereof |
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