CN107303481A - A kind of novel plastic structured packing - Google Patents
A kind of novel plastic structured packing Download PDFInfo
- Publication number
- CN107303481A CN107303481A CN201610254698.9A CN201610254698A CN107303481A CN 107303481 A CN107303481 A CN 107303481A CN 201610254698 A CN201610254698 A CN 201610254698A CN 107303481 A CN107303481 A CN 107303481A
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- Prior art keywords
- plastic
- corrugated
- wire
- plate
- novel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/32—Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
- B01J2219/322—Basic shape of the elements
- B01J2219/32203—Sheets
- B01J2219/32213—Plurality of essentially parallel sheets
- B01J2219/3222—Plurality of essentially parallel sheets with sheets having corrugations which intersect at an angle different from 90 degrees
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
- B01J2219/322—Basic shape of the elements
- B01J2219/32286—Grids or lattices
- B01J2219/32289—Stretched materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
- B01J2219/324—Composition or microstructure of the elements
- B01J2219/32483—Plastics
Abstract
A kind of novel plastic structured packing of the present invention, it is intended to the drawbacks of plastic filler wettability is poor, mass-transfer efficiency is low that break traditions, improve intrinsic making cooked mode, the corrugated cardboard sheet of different-thickness and the superposition of the plastic wire of different string diameters are used in mixed way and are fabricated to the higher plastics mellapak packing of mass-transfer efficiency and more accurate plastic silk screen filler, and pass through the specially treated to corrugated plate surface, the water distribution of reinforcer, gas distribution performance.It can be widely used in the fields such as oil, chemical industry, biology, pharmacy, environmental protection.The novel plastic structured packing, the plate corrugated plate with plastics muscles and bones is fabricated to using certain thickness plastic plate；The plastic wire mesh sheet of the individual layer with plastic skeleton, bilayer or multilayer is made of the plastic wire of different string diameters, plastic plate and silk netting are further processed into the corrugated plate of different corrugated configurations by way of heating, and corrugated plate surface are roughened using cutlery.
Description
Technical field
The present invention relates to a kind of novel plastic structured packing, specially a kind of novel plastic mellapak packing
With novel plastic corrugated wire gauze packing, belong to the gas-liquid mass transfer (contact) equipment field of chemical separation process.
Background technology
In mass transfer and separation engineering field, tower is highly important mass transfer separation equipment.Packed tower
As one kind of tower, with extremely wide application, cover oil, chemical industry, biology,
Medicine, environmental protection etc. are multi-field, have the advantages that flux is big, pressure drop is low, efficiency high, saving energy consumption.
Filler, as the core parts of packed tower, is that quality between gas-liquid or liquid liquid, energy and momentum transmission are played
Particularly important effect.According to structure and the difference of type of feed, wire feeding be divided into structured packing and
Random packing.At present in chemical separating, the application of structured packing is relatively broad, with mass-transfer efficiency
The good advantage of high, gas-liquid distribution performance, can be accomplished almost without amplification by the design of rational ripple struction
Effect.
Structured packing can be divided into ripple packing, grid packing and Impulse packing, and wherein ripple packing is used
The most extensively, excellent performance；Ripple packing is divided into mellapak packing and screen waviness packings.Lamb wave line
Filling intensity is high, and corrosion resistance is strong, is particularly suitable for use in major diameter tower and the larger occasion of gas-liquid load,
And cost is relatively low；Silk screen has unique capillarity, and wettability is good, and liquid phase is easy to film forming,
It is usually used in fine chemistry industry, it is possible to achieve the separation task of precise distillation.
Extremely urgent instantly in environmental issue, packed tower is usually used in recovery and the place that waste water and gas gives up solid
Reason, such as：Ammonia nitrogen waste water recovery, ammonia-containing exhaust processing and granule dedusting etc..At present, the material of filler
Matter is generally metal or ceramics, and the recovery to three wastes causes limitation.Often contain acid-base property in waste liquid
Stronger material, corrosion is caused to metal, therefore metal packing will be changed often；And ceramics it is frangible and
Resistance is big, especially when thing system is more dirty, and the cleaning to ceramic packing increases difficulty.Plastic filler then has
There are excellent decay resistance, lightweight, easily assembling.And the visible plastic filler in general market is
Rolled and made by plastic plate, mostly Lamb wave line and sheet is consistent, it is impossible to effectively facilitate liquid phase rapid
It is dynamic；Even if being manufactured into screen waviness packings, plastics string diameter used is excessive, causes filler porosity larger,
Mass-transfer efficiency is low, inferior separating effect, and frosting film forming is poor, is unfavorable for the formation and more of liquid film
Newly, therefore the application of plastic filler is limited.
The content of the invention
A kind of novel plastic structured packing of the present invention, concrete form is that Lamb wave line and net ripple are moulded
Expect structured packing, it is intended to which break traditions the drawbacks of plastic filler wettability is poor, mass-transfer efficiency is low, changes
Enter intrinsic making cooked mode, the corrugated plate of different-thickness and the plastic wire of different string diameters are superimposed mixed
Use is closed to fill out into the higher plastics mellapak packing of mass-transfer efficiency and more accurate plastic silk screen
Material, and pass through the specially treated to corrugated plate surface, the water distribution of reinforcer, gas distribution performance.
In order to achieve the above object, the present invention is adopted the following technical scheme that：
A kind of novel plastic structured packing, is specifically divided into the whole filler of New style plastic board ripple and novel plastic
Corrugated wire gauze packing.
A kind of novel plastic mellapak packing, using plastics of the thickness in the range of 0.1mm~5mm
Plate makes, and determines the distance between every plastics muscles and bones on plate first, and then to two muscles and bones
Between plastic plate carry out a certain degree of stretching so that the plastic plate thickness after stretching is thinner than muscles and bones
Thickness, then muscles and bones projection is formed on plastic plate.Gap length between every muscles and bones is filled out by making
The specific surface area of material determines that level of stretch can be adjusted according to the thickness of required corrugated plate.
A kind of novel plastic mellapak packing, it is characterised in that be rolled into the plastic plate for forming muscles and bones
The plate corrugated plate of with folding ditch, the certain ripple struction of formation, according to demand can roll plate corrugated plate
Into different ripple structions, such as：The diversified forms such as oblique line, broken line, arc transition line.
A kind of novel plastic mellapak packing, it is characterised in that the plastic ripple to rolling out corrugated configuration
Piece surface is roughened, so as to increase the wettability of filler, concrete mode is：Use sword
Have and different degrees of hook stroke is carried out to the surface of plastic ripple piece, rubs and scratches so that corrugated plate table
Face is in trench, burr shape and random hairy.
A kind of described novel plastic mellapak packing, is characterised by：By the above-mentioned determination ripple structure of multi-disc
Type and the plastic ripple plate completed after rough surface processing are superimposed, and are made according to certain chord length and height
Into packing box, combination loading is in packed tower.
A kind of novel plastic corrugated wire gauze packing, is constituted using the different plastic wire of string diameter, it is characterized in that adopting
The skeleton of wire packing is fabricated to plastic wire of the string diameter in the range of 0.5mm~10mm, is specifically existed
Parallel two ends are using relatively thick plastic wire above and below skeleton, it is ensured that certain supporting role；
Two ends are folded in the region to be formed, and are sequentially connected two ends as middle skeleton using multiply plastic wire, often
The distance between stock is determined that middle skeleton is from the horizontal by a clamp by the specific surface area of making filler
Angle is so as to ensure skewed, and angle is between 10 °~90 °, and per share skeleton is parallel to each other, system
The plastic wire string diameter of skeleton is less than the thick plastic wire string diameter of corrugated plate two ends skeleton, the tool of string diameter in the middle of making
The big I of body is determined according to current rate and liquid flowing strength.
Described a kind of novel plastic corrugated wire gauze packing, on the basis of above-mentioned plastic skeleton, using silk
Footpath is knitted on plastic skeleton for 0.05mm~1mm plastic silk screen, according to the difference of separation requirement
With the difference of operation thing system, individual layer, the plastic silk screen of double-deck or multilayer can be woven on plastic skeleton,
Form plastic deeping.Meshcount is higher, and the easier film forming of liquid, the liquid film area of formation is bigger.
The plastic deeping of above-mentioned knitting forming is subjected to heating rolling processing, structure under plastics high temperature is utilized
Plasticity, by plastic deeping be processed into folding ditch stereo corrugated piece, the peak height of processing is by making
The specific surface area of filler is determined.In addition, according to the difference of filling kind, can be by heating rolling
Between skeleton be processed into different ripple structions as desired, such as：Oblique line, broken line, arc transition line etc.
Diversified forms.
The surface of the plastic silk screen corrugated plate shaped is subjected to roughening processing, so as to increase filler
Hydrophily.Concrete mode is handles the surface of full wafer plastic silk screen using cutlery, by many
It is secondary gently scrape, the mode that rubs makes plastic wire surface be in burr shape, strengthens film forming.
A kind of described novel plastic corrugated wire gauze packing, is characterised by：By the above-mentioned determination ripple structure of multilayer
Type and the plastic silk screen corrugated plate completed after rough surface processing are superimposed, according to certain chord length and height
Packing box is made, combination loading is in packed tower.
It is of the invention compared with known technology, can comment as follows：
1st, plastics muscles and bones is made on common plastic plate, the thickness of muscles and bones is more than two muscles and bones phases
The sheet of folder, the projection that muscles and bones is formed increases liquid film area to increase the contact surface between gas-liquid
Product, strengthens mass transport process；In addition, ensure that while plastic plate thickness is reduced as far as possible certain
Mechanical strength, the quality of filler is alleviated while ensuring that polydisc filler stacks stability.
2nd, a kind of novel plastic mellapak packing of the present invention, rolling when can according to demand by
Plastic plate with muscles and bones is rolled into different corrugated configurations, such as bias type, broken line type or circular arc mistake
Branch-cut bridge, so as to ensure high separating efficiency.
3rd, a kind of novel plastic mellapak packing of the present invention, using cutlery to plastic corrugated sheet
Piece is roughened, and is drawn, rubs and is scratched by different degrees of hook so that corrugated plate surface
In trench, burr shape and random hairy, the effective surface wettability for improving filler makes liquid phase more preferable
Film forming, strengthens mass transport process.
4th, corrugated plate skeleton is made using the plastic silk screen of different string diameters, and string diameter is more tiny
Plastic wire is knitted on the plastic skeleton made, and can weave individual layer according to the difference of separation requirement, double
Layer, if needing high-efficiency and precision rectifying, can be woven into laminated plastics silk screen.It is different from and traditional moulds full wafer
Expect the preparation method for being pressed into corrugated plate or punching, a kind of novel plastic silk screen of the present invention is regular
Filler has more prominent wettability, and liquid phase is more easy in fine and closely woven plastic wire surface filming, membrane area
Increase, so that the effective contact surface area of gas-liquid is dramatically increased, strengthens mass transport process, with excellent
Mass-transfer efficiency.
5th, a kind of novel plastic corrugated wire gauze packing of the present invention, can when rolling plastic silk screen
As needed, different corrugated configurations, such as bias type, broken line type or arc transition line are rolled into, are promoted
Enter the liquid phase of decline and the turbulence of ascending vapor, strengthen liquid film Surface Renewal, so that mass-transfer efficiency is improved,
Mass transfer enhancement performance.
6th, filler surface treatment method conventional at present has physical method and chemical method, such as sprays at a high speed
Sand method, chemical solvent infusion process, but these processing modes are easily broken fine and closely woven plastic silk screen
And corrosion.The present invention uses cutlery, by way of repeatedly gently scraping, rubbing to plastic wire, makes plastics
Thorn is played on surface, so as to reach the purpose of enhancing wettability.
Brief description of the drawings
Fig. 1 is the plastic plate muscles and bones structural representation that inclination angle is 45 °.
Fig. 2 is the linear pattern plastics mellapak packing structural representation that ripple inclination angle is 45 °.
Fig. 3 is the plastic skeleton structural representation that inclination angle is 45 °.
Fig. 4 is the monolayer plastic mesh sheet structural representation that inclination angle is 45 °.
Fig. 5 is the linear pattern plastics corrugated wire gauze packing structural representation that ripple inclination angle is 45 °.
Embodiment
Below in conjunction with accompanying drawing, a kind of novel plastic gauze structured packing of the invention is described further.
Reference picture 1, a kind of plastics mellapak packing of the present invention, first in certain thickness modeling
Plastics muscles and bones is made on flitch piece, a certain degree of stretching is carried out to plastic plate at a certain distance,
Certain thickness raised as plastics muscles and bones is formed between stretching twice.Fig. 1 show muscles and bones inclination angle
45 ° of plastic plate structural representation.
A kind of reference picture 2, plastics mellapak packing of the present invention, is being fabricated to shown in Fig. 1
After plastic plate with muscles and bones, according to demand, different ripple structions are rolled into.Fig. 2
It show the linear pattern plastic plate corrugated filler tablet that ripple inclination angle is 45 °.
A kind of reference picture 3, plastics corrugated wire gauze packing of the present invention needs to make plastic skeleton first,
Provided a supporting role for the fine and closely woven silk screen that subsequently weaves.The two ends of horizontal parallel use string diameter above and below mesh sheet
Plastic wire in the range of 0.5mm~10mm makes, and the center section that two ends are folded is that multiply is mutual
Plastic skeleton parallel, straight at certain angle, is connected with horizontal component, the partly plastic bone
The string diameter of frame is less than two ends plastic wire string diameter, and horizontal sextant angle scope is 10 °~90 °, shown in Fig. 1
For with plastic skeleton that horizontal sextant angle is 45 °.
Reference picture 4, after the plastic skeleton shown in Fig. 3 is fabricated to, using string diameter 0.05mm~
Plastic wire in the range of 1mm is knitted on skeleton, so as to form plastic deeping, weaving manner can be adopted
With individual layer, double-deck or multilayer, Fig. 4 show the plastic deeping of individual layer braiding.
Reference picture 5, will make the plastic deeping of shaping, is processed under conditions of heating with folding ditch
Stereo corrugated piece, the ripple crest line of different structure can be rolled out according to different separation requirements, it is such as straight
Line style or broken line type etc..Fig. 5 show the linear pattern ripple struction that inclination angle is 45 °.
Above-mentioned embodiment be for it is clear, be fully described by a kind of novel plastic of the present invention
Structured packing, the species of plastic material, the difference of plastic wire string diameter and mesh number, ripple struction form and
Angle is changed and within the scope of the present invention using different types of cutlery.The present invention is done
Go out various modifications or equivalent substitution is regarded as being within the scope of the present invention.
Claims (11)
1. a kind of novel plastic structured packing, specially a kind of New style plastic board ripple with plastics muscles and bones is filled out
Material and a kind of new corrugated wire gauze packing with plastic skeleton.
2. a kind of novel plastic mellapak packing according to claim 1, it is characterised in that：In thickness
For on the plastic plate in the range of 0.1mm~5mm, convex modeling is made at interval of certain distance
Expect muscles and bones, the thickness of muscles and bones is more than the corrugated plate thickness folded between two muscles and bones.
3. a kind of novel plastic mellapak packing according to claim 2, it is characterised in that：Plastic plate
The muscles and bones that is formed on piece and with horizontal direction angle between 10 °~90 °.
4. a kind of novel plastic mellapak packing according to claim 2, it is characterised in that：It will be formed
The plastic plate of muscles and bones be rolled into different corrugated configurations, with folding ditch plate corrugated plate, according to demand
It can be rolled into the corrugated configuration of oblique line, broken line or arc transition line.
5. a kind of novel plastic mellapak packing according to claim 2, it is characterised in that：Use sword
Tool, the surface roughening that different degrees of hook is drawn, rubs and scratch is carried out to the surface of plastic ripple piece
Processing so that corrugated plate surface is in trench, burr shape and random hairy.
6. a kind of novel plastic corrugated wire gauze packing according to claim 1, it is characterised in that：Using modeling
Plastic skeleton is made in material silk, and finer and closely woven plastic wire is knitted on plastic skeleton forms plastic silk screen
Piece, the stereo corrugated piece with folding ditch is processed into by way of heating, the corrugated plate is rolled out
Ripple struction.
7. a kind of novel plastic corrugated wire gauze packing according to claim 6, it is characterised in that：Described
Plastic skeleton is made using plastic wire of the string diameter in the range of 0.5mm~10mm, and upper and lower ends are water
Plastic wire that is flat, being parallel to each other, two ends fold in the region to be formed for multiply it is parallel to each other, with
Level is angled, plastic wire that is being connected with upper and lower ends, and horizontal plastic wire string diameter, which is more than, to be tilted
Plastic wire string diameter.
8. plastic skeleton according to claim 7, it is characterised in that：It is connected with skeleton upper and lower ends
Plastic wire and horizontal direction angle are between 10 °~90 °.
9. a kind of novel plastic corrugated wire gauze packing according to claim 6, it is characterised in that：Described
Plastic wire mesh sheet is woven using plastic wire of the string diameter in the range of 0.05mm~1mm, and weaving manner is
Individual layer, bilayer or multilayer.
10. a kind of novel plastic corrugated wire gauze packing according to claim 6, it is characterised in that：By institute
The stereoscopic plastic screen waviness piece stated is rolled into the ripple knot of bias type, broken line type or arc transition line style
Structure.
11. a kind of novel plastic corrugated wire gauze packing according to claim 6, it is characterised in that：Use
Cutlery, makes the plastic wire mesh sheet surface of roll forming form burr by way of repeatedly gently scraping, rubbing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254698.9A CN107303481B (en) | 2016-04-21 | 2016-04-21 | Plastic structured packing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254698.9A CN107303481B (en) | 2016-04-21 | 2016-04-21 | Plastic structured packing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107303481A true CN107303481A (en) | 2017-10-31 |
| CN107303481B CN107303481B (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610254698.9A Active CN107303481B (en) | 2016-04-21 | 2016-04-21 | Plastic structured packing |
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| CN (1) | CN107303481B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449113A (en) * | 2019-08-16 | 2019-11-15 | 浙江桐朕石化设备有限公司 | A kind of High Efficient Standard Packing |
| CN111644143A (en) * | 2020-06-16 | 2020-09-11 | 上海化工研究院有限公司 | Structured packing and packing layer structure and application thereof |
| CN111659149A (en) * | 2020-06-16 | 2020-09-15 | 上海化工研究院有限公司 | Rectifying tower, rectifying system and application thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4296050A (en) * | 1977-05-12 | 1981-10-20 | Sulzer Brothers Ltd. | Packing element for an exchange column |
| CN2726714Y (en) * | 2004-09-24 | 2005-09-21 | 北京化工大学 | Gauze packing |
| CN1751782A (en) * | 2004-09-24 | 2006-03-29 | 北京化工大学 | Screen waviness packings |
| CN201030302Y (en) * | 2006-10-30 | 2008-03-05 | 北洋国家精馏技术工程发展有限公司 | Combined type plate-net filler |
| CN101347716A (en) * | 2008-09-02 | 2009-01-21 | 南京大学 | Strong-effect regular packing without wall flow |
| CN201239626Y (en) * | 2008-06-13 | 2009-05-20 | 彭金国 | Corrugation integral filling with corrugation surface |
| EP2114659A1 (en) * | 2006-12-22 | 2009-11-11 | GEA 2H Water Technologies GmbH | Filling body |
| CN202238062U (en) * | 2011-09-30 | 2012-05-30 | 刘军 | Gridding structured packing |
| CN102921298A (en) * | 2012-11-14 | 2013-02-13 | 上海化工研究院 | Drained style sawtooth-shaped corrugated filler |
-
2016
- 2016-04-21 CN CN201610254698.9A patent/CN107303481B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4296050A (en) * | 1977-05-12 | 1981-10-20 | Sulzer Brothers Ltd. | Packing element for an exchange column |
| US4296050B1 (en) * | 1977-05-12 | 1996-04-23 | Sulzer Bros | Packing element for an exchange column |
| CN2726714Y (en) * | 2004-09-24 | 2005-09-21 | 北京化工大学 | Gauze packing |
| CN1751782A (en) * | 2004-09-24 | 2006-03-29 | 北京化工大学 | Screen waviness packings |
| CN201030302Y (en) * | 2006-10-30 | 2008-03-05 | 北洋国家精馏技术工程发展有限公司 | Combined type plate-net filler |
| EP2114659A1 (en) * | 2006-12-22 | 2009-11-11 | GEA 2H Water Technologies GmbH | Filling body |
| CN201239626Y (en) * | 2008-06-13 | 2009-05-20 | 彭金国 | Corrugation integral filling with corrugation surface |
| CN101347716A (en) * | 2008-09-02 | 2009-01-21 | 南京大学 | Strong-effect regular packing without wall flow |
| CN202238062U (en) * | 2011-09-30 | 2012-05-30 | 刘军 | Gridding structured packing |
| CN102921298A (en) * | 2012-11-14 | 2013-02-13 | 上海化工研究院 | Drained style sawtooth-shaped corrugated filler |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449113A (en) * | 2019-08-16 | 2019-11-15 | 浙江桐朕石化设备有限公司 | A kind of High Efficient Standard Packing |
| CN111644143A (en) * | 2020-06-16 | 2020-09-11 | 上海化工研究院有限公司 | Structured packing and packing layer structure and application thereof |
| CN111659149A (en) * | 2020-06-16 | 2020-09-15 | 上海化工研究院有限公司 | Rectifying tower, rectifying system and application thereof |
| CN111659149B (en) * | 2020-06-16 | 2021-10-08 | 上海化工研究院有限公司 | Rectifying tower, rectifying system and application thereof |
| CN111644143B (en) * | 2020-06-16 | 2021-11-12 | 上海化工研究院有限公司 | Structured packing and packing layer structure and application thereof |
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| Publication number | Publication date |
|---|---|
| CN107303481B (en) | 2021-04-27 |
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