CN203710733U - Special extraction equipment for catalyst separation in PTMG (polytetramethylene ether glycol) production - Google Patents
Special extraction equipment for catalyst separation in PTMG (polytetramethylene ether glycol) production Download PDFInfo
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- CN203710733U CN203710733U CN201320797141.1U CN201320797141U CN203710733U CN 203710733 U CN203710733 U CN 203710733U CN 201320797141 U CN201320797141 U CN 201320797141U CN 203710733 U CN203710733 U CN 203710733U
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- 238000000926 separation method Methods 0.000 title claims abstract description 24
- 239000003054 catalyst Substances 0.000 title claims abstract description 23
- BJZYYSAMLOBSDY-QMMMGPOBSA-N (2s)-2-butoxybutan-1-ol Chemical compound CCCCO[C@@H](CC)CO BJZYYSAMLOBSDY-QMMMGPOBSA-N 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229920000909 polytetrahydrofuran Polymers 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000002156 mixing Methods 0.000 claims abstract description 23
- 238000005204 segregation Methods 0.000 claims description 36
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- 230000009467 reduction Effects 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 abstract description 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 2
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 5
- 239000011964 heteropoly acid Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
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- GVOIABOMXKDDGU-XRODXAHISA-N (3S,3'S,5R,5'R)-3,3'-dihydroxy-kappa,kappa-carotene-6,6'-dione Chemical compound O=C([C@@]1(C)C(C[C@H](O)C1)(C)C)/C=C/C(/C)=C/C=C/C(/C)=C/C=C/C=C(C)C=CC=C(C)C=CC(=O)[C@]1(C)C[C@@H](O)CC1(C)C GVOIABOMXKDDGU-XRODXAHISA-N 0.000 description 1
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- KKAJSJJFBSOMGS-UHFFFAOYSA-N 3,6-diamino-10-methylacridinium chloride Chemical compound [Cl-].C1=C(N)C=C2[N+](C)=C(C=C(N)C=C3)C3=CC2=C1 KKAJSJJFBSOMGS-UHFFFAOYSA-N 0.000 description 1
- GVOIABOMXKDDGU-SUKXYCKUSA-N Capsorubin Natural products O=C(/C=C/C(=C\C=C\C(=C/C=C/C=C(\C=C\C=C(/C=C/C(=O)[C@@]1(C)C(C)(C)C[C@H](O)C1)\C)/C)\C)/C)[C@@]1(C)C(C)(C)C[C@H](O)C1 GVOIABOMXKDDGU-SUKXYCKUSA-N 0.000 description 1
- 235000007516 Chrysanthemum Nutrition 0.000 description 1
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- GAMYVSCDDLXAQW-AOIWZFSPSA-N Thermopsosid Natural products O(C)c1c(O)ccc(C=2Oc3c(c(O)cc(O[C@H]4[C@H](O)[C@@H](O)[C@H](O)[C@H](CO)O4)c3)C(=O)C=2)c1 GAMYVSCDDLXAQW-AOIWZFSPSA-N 0.000 description 1
- 238000007171 acid catalysis Methods 0.000 description 1
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- 150000003797 alkaloid derivatives Chemical class 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
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- 229930003944 flavone Natural products 0.000 description 1
- 150000002212 flavone derivatives Chemical class 0.000 description 1
- 235000011949 flavones Nutrition 0.000 description 1
- 229930003935 flavonoid Natural products 0.000 description 1
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- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000001397 quillaja saponaria molina bark Chemical class 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 229940109850 royal jelly Drugs 0.000 description 1
- 229930182490 saponin Chemical class 0.000 description 1
- 150000007949 saponins Chemical class 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 150000003431 steroids Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 150000003456 sulfonamides Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- VHBFFQKBGNRLFZ-UHFFFAOYSA-N vitamin p Natural products O1C2=CC=CC=C2C(=O)C=C1C1=CC=CC=C1 VHBFFQKBGNRLFZ-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Extraction Or Liquid Replacement (AREA)
Abstract
The utility model relates to continuous extraction equipment used in chemical production, in particular relates to special extraction equipment for catalyst separation in PTMG (polytetramethylene ether glycol) production, which mainly solves the technical problems of reduction of a mass transfer driving force and the like caused by compensation of axial backmixing by most of tower heights due to axial backmixing during industrial amplification of a turntable extraction tower in the prior art. The special extraction equipment comprises a barrel body, wherein an anti-explosion motor is arranged on the barrel body and is connected with a rotary shaft; the rotary shaft extends into the barrel body; the barrel body is divided into an upper separation section barrel body, a mixing section barrel body and a lower separation section barrel body from top to bottom; the upper separation section barrel body is arranged on a heavy liquid inlet; the lower separation section barrel body is arranged under a clear liquid inlet; a plurality of rotary plates are connected to the rotary shaft; a fixing ring is arranged between each two upper and lower adjacent rotary plates; the outer edge of the fixing ring is connected with the inner wall of the mixing section barrel body; 2-5 blades are arranged on each rotary plate and are welded on the rotary plate; one ends of the blades are tangentially welded with the rotary shaft.
Description
Technical field
The utility model relates to the continuous extraction equipment using in a kind of Chemical Manufacture, especially relates to the special extraction equipment of catalyst separation in a kind of PTMG of realization production.
Background technology
The extraction process of extraction tower is to utilize various components (comprising object product) different solubility in two not miscible liquid phases.Thereby reach the object of separation.It is the unit operations that separating liquid mixture is conventional, and the application on fermentation and biology is quite extensive, and it not only can extract and enrichment product, can also remove other similar substances of part, makes product obtain preliminary purification.
---liquid, liquid---, solid-liquid-liquid mass transfer system Gu extraction tower is mainly used in liquid.Chemical: the production process of sulfonamides and other drug; From zymotic fluid, extract antibiotic; From zymotic fluid, extract pigment; Deviate from the phenols in waste water; Chinese medicine class: extract alkaloid with organic solvent from medicinal plant; With organic solvent extracting flavone from ginkgo; For the extraction of plurality of Chinese chemical composition, as polysaccharide, protein phenols, saponin class, flavonoids, alkaloids, steroid.Foodstuff: draw the extraction process such as powder, royal jelly, food additives, spices and essence for milk proem, song; Pigment: for the purifies and separates of natural colouring matter as tomato red (Huang) element, the fruit of Chinese wolfberry red (Huang) element, gardenia red (Huang) pigment, chrysanthemum flavine, cover florigen, capsorubin etc.
Large-scale turntable extracting tower is a kind of important chemical industry mass transfer apparatus, and it has a wide range of applications in the field such as chemical petroleum and environmental protection.Turntable extracting tower has simple in structure, and treating capacity is large, invests the advantages such as little.Therefore,, since it comes out, in medicine, meticulous petro chemical industry, be widely used always.Affect turntable extracting tower mass transfer main because of rope be that decentralized photo retains mark and axial backmixing.Turntable extracting tower is in the time carrying out industry and amplify, because axial backmixing makes the reduction of the mass transfer force that most tower heights brings for compensating axial back-mixing.Axial backmixing in extraction tower in continuous phase is considered to be caused by following several one or several because of in rope: 1. the eddy diffusivity causing due to fluid and fluid agitation; 2. radial velocity distributes; 3. continuous equal fire band in dispersed phase drop wake flow; 4. the mobile eddy current causing of dispersed phase drop.But it is also very insufficient that Yin Suo, source, influence degree and the influence area of specifically causing back-mixing are studied.
The people such as Bart conduct in-depth research single-phase in turntable extracting tower and two-phase fluid flowing law.They point out, radial flow momentum transmission is fully the adequate condition that ensures effective utilization of equipment volume in mass transport process.If the geometry of equipment can not ensure this Momentum Transfer radially, the rotating speed that increases rotating disc column also can not reach sufficient mass transfer and separation requirement, the particularly rotating disc column to large tower diameter.Under laminar boundary layer mobility status, the radial momentum transmission of rotating disk realizes by outwards discharging free liquid jet from disk edge.
Utility model content
The utility model need to be to provide the special extraction equipment of catalyst separation in a kind of PTMG of realization production, it is mainly to solve prior art existing turntable extracting tower in the time carrying out industry amplification, because axial backmixing makes the technical problem of the reduction etc. of the mass transfer force that most tower heights brings for compensating axial back-mixing.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of special extraction equipment of realizing catalyst separation in PTMG production of the present utility model, comprise cylindrical shell, described cylindrical shell is provided with fire-proof motor, fire-proof motor is connected with rotating shaft, rotating shaft extend in cylindrical shell, cylindrical shell is divided into segregation section cylindrical shell, mixing section cylindrical shell, lower segregation section cylindrical shell from top to bottom successively, upper segregation section cylindrical shell is located on heavy-fluid import, lower segregation section cylindrical shell is located under clear liquid import, in rotating shaft, be connected with multiple rotating disks, between every two neighbouring rotating disks, be provided with retainer ring, the outward flange of retainer ring is connected with the inwall of mixing section cylindrical shell; Described rotating disk is provided with 2-5 blade, and blade is welded on rotating disk, the tangent welding of one end and rotating shaft.
PTMG is polytetramethylene ether diol.The flat board of perforate centered by retainer ring, mixing section cylindrical shell is divided into a series of extraction cells by retainer ring.There is a rotating disk at extraction cell center, and the diameter of rotating disk is slightly less than the opening diameter of retainer ring, and what a series of rotating disk was parallel is arranged in rotating shaft, and like this, rotating disk and rotating shaft can pack in tower easily.Between middle two secondary flanges, be mixing section cylindrical shell, liquid-liquid mass transfer process mainly here completes.Middle upper flange to top plate portion is upper segregation section cylindrical shell, for clarifying light liquid; Middle lower flange to end flange section is lower segregation section cylindrical shell, for clarifying heavy-fluid.In mixing section above and below, macroporous plate is housed, heavy phase enters in tower from sieve plate below, and light phase enters in tower from sieve plate top, and the effect of sieve plate is the stirring that reduces liquid, to strengthen point phase effect of settling section.
Further illustrating of rotating disk extraction equipment: actuating unit is outside cylindrical shell, and rotating shaft is located in cylindrical shell and is in transmission connection with actuating unit, and actuating unit is the multi-change speed motor with reductor, is arranged at the top of segregation section cylindrical shell.The axial vertical ground of rotating shaft; Rotating disk has multiple, is uniformly distributed in upper-lower section and separates between cylindrical shell, has retainer ring between adjacent discs, and retainer ring outer wall is welded in the inwall of tower body.Each rotating disk is axially connected in turn in rotating shaft along rotating shaft, and spaced apart.The front of rotating disk is provided with 2-5 blade, and blade is welded on rotating disk, and one section and the tangent welding of rotating shaft of blade, and each blade becomes axial symmetry about rotating shaft.
The inward flange of retainer ring is provided with the baffle plate perpendicular to retainer ring, forms virtual settling section.The baffle plate of whole extraction section mountain rotating disk and turbo blade and retainer ring is divided into multiple mixed zones and settling section.It has the original peptizaiton of traditional turntable extracting tower, has again settling section separately simultaneously, so just repeatedly to condense and to disperse, to have reduced axial mixing, has improved extraction efficiency.
The extraction process of extraction equipment is how to utilize various components (comprising object product) different solubility in two not miscible liquid phases, thereby reaches the object of separation.Drive rotating shaft to rotate by actuating unit, drive the rotating disk and the turbo blade that are installed in rotating shaft to rotate by rotating shaft, thereby continuous phase is gently rotated together with heavy phase with decentralized photo, in liquid stream, high velocity gradient and shear stress are produced, shear stress makes continuous phase produce strong vortex on the one hand, make again on the other hand decentralized photo be broken into many small drops, thereby the mass tranfer coefficient that has increased decentralized photo is contact interface, make it that mass exchange occur between retainer ring, reach the object of separation.
As preferably, on described upper segregation section cylindrical shell, lower segregation section cylindrical shell, be provided with visor, for observing the situation of liquid in cylindrical shell.
As preferably, described upper segregation section cylindrical shell is provided with purified liquor outlet, and lower segregation section cylindrical shell is provided with heavy floss hole.
As preferably, the blade diameter length ratio of described cylindrical shell is 1:8～10.
As preferably, described cylindrical shell outer setting stainless steel heating jacket, for controlling extraction temperature.
As preferably, the upper and lower two ends of described cylindrical shell are respectively equipped with top board, base plate, between base plate and top board, are connected with pillar, and pillar is provided with gusset, and fire-proof motor is fixed on top board.
As preferably, between described upper segregation section cylindrical shell, mixing section cylindrical shell, lower segregation section cylindrical shell, link together by flange.
As preferably, described clear liquid import connects spinner flowmeter, material-handling pump, material barrel by pipeline.
As preferably, described purified liquor outlet, floss hole are connected with spinner flowmeter, feed liquid bucket by pipeline respectively.
Therefore, the utility model is provided with retainer ring between adjacent discs, and at the front of rotating disk welding blade, make to be thrown toward tower wall by rotating disk centrifugal force to tower wall direction flowing liquid, return again, radial momentum under the turbulence state that has ensured to be produced by eddy current on disk edge is transmitted, and can effectively control the inter-stage back-mixing in rotating disk cylindrical shell, is conducive in cylindrical shell two alternate mass transfers.Because the ring that is fixed is separated into each interval, rotating disk and turbo blade rotate and the vortex that causes can be limited in each interval substantially in cylindrical shell, thereby reduce axial backmixing, have improved the mass-transfer efficiency of turntable extracting tower.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is a kind of schematic flow sheets of the utility model embodiment.
Parts, position and numbering in figure: fire-proof motor 1, rotating shaft 2, upper segregation section cylindrical shell 3, mixing section cylindrical shell 4, lower segregation section cylindrical shell 5, heavy-fluid import 6, clear liquid import 7, rotating disk 8, retainer ring 9, visor 10, purified liquor outlet 11, material-handling pump 12, heavy floss hole 13, top board 14, base plate 15, pillar 16, gusset 17, flange 18, spinner flowmeter 19, material barrel 20, feed liquid bucket 21.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: this example a kind of realize PTMG produce in the special extraction equipment of catalyst separation, as Fig. 1, comprise cylindrical shell, the blade diameter length ratio of cylindrical shell is 1:8, cylindrical shell outer setting stainless steel heating jacket.Cylindrical shell is provided with fire-proof motor 1, and fire-proof motor is connected with rotating shaft 2, and rotating shaft extend in cylindrical shell, and the upper and lower two ends of cylindrical shell are respectively equipped with top board 14, base plate 15, are connected with pillar 16 between base plate and top board, and pillar is provided with gusset 17, and fire-proof motor is fixed on top board.Cylindrical shell is divided into segregation section cylindrical shell 3, mixing section cylindrical shell 4, lower segregation section cylindrical shell 5 from top to bottom successively, between upper segregation section cylindrical shell, mixing section cylindrical shell, lower segregation section cylindrical shell, links together by flange 18.On upper segregation section cylindrical shell 3, lower segregation section cylindrical shell 5, be provided with visor 10.Upper segregation section cylindrical shell is located on heavy-fluid import 6, and lower segregation section cylindrical shell is located under clear liquid import 7, is connected with multiple rotating disks 8 in rotating shaft, between every two neighbouring rotating disks, is provided with retainer ring 9, and the outward flange of retainer ring is connected with the inwall of mixing section cylindrical shell; Rotating disk is provided with 2-5 blade, and blade is welded on rotating disk, the tangent welding of one end and rotating shaft.Upper segregation section cylindrical shell is provided with purified liquor outlet 11, and lower segregation section cylindrical shell is provided with heavy floss hole 13.Clear liquid import connects spinner flowmeter 19, material-handling pump 12, material barrel 20 by pipeline.Purified liquor outlet, floss hole are connected with spinner flowmeter 19, feed liquid bucket 21 by pipeline respectively.
Further set forth application of the present utility model to extract in tetrahydrofuran polyreaction product heteropoly acid with the utility model as example below.
Tetrahydrofuran ring opening polymerization is the basic polymerisation of producing polytetramethylene ether diol, and heteropoly acid is the needed catalyst of polymerisation.After polymerisation completes, in polymerizate, contain the catalyst residue of about 1% left and right, the unreacted oxolane of 75% left and right and the polytetramethylene ether diol of 24% left and right, catalyst just need to be removed by extraction.Heteropolyacid catalyst density is high, and viscosity is large, at the bottom of the catalyst after having extracted can be deposited to tower.
As Fig. 2, in this example, use pentane as extractant, pentane and polymeric reaction product tentatively mix in material barrel 20, are entering mixing section cylindrical shell 4 by material-handling pump 22, spinner flowmeter 19 through clear liquid import 7; Open fire-proof motor 1, adjust rotating speed, the situation that can observe material in tower body from visor 10.After pentane and product extractive reaction complete, pentane and oxolane, polytetramethylene ether diol form uniform mixing clear liquid, heteropolyacid catalyst is insoluble to above-mentioned mixing material, is deposited in lower segregation section cylindrical shell 5 bottoms, recycles by returning to reactor after heavy liquid exit 12 discharges.Extraction clear liquid is got rid of the treatment process being transported to below through purified liquor outlet 11, nitrogen is connected in heavy-fluid import 6, empties tower body material when stopping.
Under traditional extraction mode, the heteropoly acid catalysis agent content of outlet material, in 500ppm left and right, is adopting after above turntable extracting tower, and outlet catalyst content, greatly about 50ppm, is equivalent to 1/10th of old technology.
The foregoing is only specific embodiment of the utility model, but architectural feature of the present utility model is not limited to this, any those skilled in the art is in field of the present utility model, and the variation of doing or modification are all encompassed among the scope of the claims of the present utility model.
Claims (9)
1. realize the special extraction equipment of catalyst separation in PTMG production for one kind, comprise cylindrical shell, it is characterized in that described cylindrical shell is provided with fire-proof motor (1), fire-proof motor is connected with rotating shaft (2), rotating shaft extend in cylindrical shell, cylindrical shell is divided into segregation section cylindrical shell (3) from top to bottom successively, mixing section cylindrical shell (4), lower segregation section cylindrical shell (5), upper segregation section cylindrical shell is located on heavy-fluid import (6), lower segregation section cylindrical shell is located under clear liquid import (7), in rotating shaft, be connected with multiple rotating disks (8), between every two neighbouring rotating disks, be provided with retainer ring (9), the outward flange of retainer ring is connected with the inwall of mixing section cylindrical shell, described rotating disk is provided with 2-5 blade, and blade is welded on rotating disk, the tangent welding of one end and rotating shaft.
2. a kind of special extraction equipment of realizing catalyst separation in PTMG production according to claim 1, is characterized in that being provided with visor (10) on described upper segregation section cylindrical shell (3), lower segregation section cylindrical shell (5).
3. a kind of special extraction equipment of realizing catalyst separation in PTMG production according to claim 1 and 2, it is characterized in that described upper segregation section cylindrical shell (3) is provided with purified liquor outlet (11), lower segregation section cylindrical shell (5) is provided with heavy floss hole (13).
4. a kind of special extraction equipment of realizing catalyst separation in PTMG production according to claim 1 and 2, is characterized in that the blade diameter length ratio of described cylindrical shell is 1:8～10.
According to claim 1 and 2 a kind of realize PTMG produce in the special extraction equipment of catalyst separation, the stainless steel heating jacket that it is characterized in that described cylindrical shell outer setting.
6. a kind of special extraction equipment of realizing catalyst separation in PTMG production according to claim 1 and 2, it is characterized in that the described upper and lower two ends of cylindrical shell are respectively equipped with top board (14), base plate (15), between base plate and top board, be connected with pillar (16), pillar is provided with gusset (17), and fire-proof motor (1) is fixed on top board.
7. a kind of special extraction equipment of realizing catalyst separation in PTMG production according to claim 1 and 2, is characterized in that linking together by flange (18) between described upper segregation section cylindrical shell (3), mixing section cylindrical shell (4), lower segregation section cylindrical shell (5).
8. a kind of special extraction equipment of realizing catalyst separation in PTMG production according to claim 1 and 2, is characterized in that described clear liquid import (7) connects spinner flowmeter (19), material-handling pump (12), material barrel (20) by pipeline.
9. a kind of special extraction equipment of realizing catalyst separation in PTMG production according to claim 3, is characterized in that described purified liquor outlet (11), floss hole (13) are connected with spinner flowmeter (19), feed liquid bucket (21) by pipeline respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797141.1U CN203710733U (en) | 2013-12-09 | 2013-12-09 | Special extraction equipment for catalyst separation in PTMG (polytetramethylene ether glycol) production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797141.1U CN203710733U (en) | 2013-12-09 | 2013-12-09 | Special extraction equipment for catalyst separation in PTMG (polytetramethylene ether glycol) production |
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| Publication Number | Publication Date |
|---|---|
| CN203710733U true CN203710733U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320797141.1U Expired - Lifetime CN203710733U (en) | 2013-12-09 | 2013-12-09 | Special extraction equipment for catalyst separation in PTMG (polytetramethylene ether glycol) production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801108A (en) * | 2013-12-09 | 2014-05-21 | 杭州三隆新材料有限公司 | Special extraction device for realizing separation of catalyst in production of polytetramethylene ether glycol (PTMG) |
| CN108465266A (en) * | 2018-06-12 | 2018-08-31 | 倪菁菁 | A kind of pharmaceutical purpose waves centrifugal extractor |
-
2013
- 2013-12-09 CN CN201320797141.1U patent/CN203710733U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801108A (en) * | 2013-12-09 | 2014-05-21 | 杭州三隆新材料有限公司 | Special extraction device for realizing separation of catalyst in production of polytetramethylene ether glycol (PTMG) |
| CN108465266A (en) * | 2018-06-12 | 2018-08-31 | 倪菁菁 | A kind of pharmaceutical purpose waves centrifugal extractor |
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