CN103566862B - A kind of Strong shear Mechanico-chemical reactor - Google Patents
A kind of Strong shear Mechanico-chemical reactor Download PDFInfo
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- CN103566862B CN103566862B CN201310530259.2A CN201310530259A CN103566862B CN 103566862 B CN103566862 B CN 103566862B CN 201310530259 A CN201310530259 A CN 201310530259A CN 103566862 B CN103566862 B CN 103566862B
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Abstract
The present invention relates to high molecular polymer reaction unit field, particularly relate to a kind of Strong shear Mechanico-chemical reactor, comprise frame, barrel, screw rod, barrel is horizontally fixed in described frame, screw rod is arranged in barrel, screw rod is divided into melt zone screw rod and feeding section screw rod, barrel residing for feeding section screw rod is provided with charging aperture, the port of the barrel residing for melt zone screw rod connects connecting cylinder, the inner chamber of connecting cylinder is arc-shaped, the milling bar of arc-shaped is provided with in connecting cylinder, milling bar is fixedly connected with melt zone screw rod, the outer surface of milling bar abuts with the surface of the inner chamber of connecting cylinder, one end that connecting cylinder does not connect barrel connects Strong shear cylinder, Strong shear screw rod is provided with in Strong shear cylinder, Strong shear screw rod is connected with milling bar, one end that Strong shear cylinder does not connect connecting cylinder is provided with discharging opening.The invention has the beneficial effects as follows: adopt the method that screw thread is sheared, the pressure field of generation is more stable, and extrusion efficiency is higher, and percent grafting is also higher, thus prepares high performance PUR product.
Description
Technical field
The present invention relates to high molecular polymer reaction unit field, particularly relate to a kind of Strong shear Mechanico-chemical reactor.
Background technology
PUR, in certain temperature range, its physical state changes with temperature change, and chemical characteristic is constant, and it is nonpoisonous and tasteless, belongs to environmental-protecting chemical product.Because its adhesive strength is large, the advantages such as curing rate is fast, are widely used.In recent years, polyolefin hot-melt, as the staple product in adhesives industries field, showed good growth.In the international market, the market demand of global PUR is stable by the development along with rubber industry increases.And the main production method of current most polyolefin hot-melt adopts that peroxide causes, the graft process of twin-screw extrusion.Due to peroxide difficulties in dispersion, cause the reasons such as the technique of chain rupture is wayward, cause PUR often to have the defects such as stain, Huang Dian, smell are large, memory time is short, therefore the Graft Method of force-chemical reaction is more and more subject to people's attention.
Macromolecule force-chemical reaction device is the visual plant preparing macromolecule product, and for many years, many experts and scholars utilize existing equipment in sharp chemical reaction, to do a large amount of work to high molecular polymer.In China, Sichuan University Xu happy, Wang Qi etc., many scholars of Beijing University of Chemical Technology and South China Science & Engineering University are devoted to the research of macromolecule power chemistry, carried out the deeply discussion of system, synthesized the copolymer of a series of block and grafting to macromolecule mechanochemical degradation and copolyreaction.Previously used equipment main still extruder, ball mill, ultrasonic radiation and high-speed stirred etc., mostly by means of existing process equipment, there is certain limitation, extruder is as a kind of special plastic molding and processing equipment, for material for the blended of material and modification very effective, but as the research of force-chemical reaction, the research of the effect aspect of the shear action that material is subject to and force-chemical reaction is all limited.Vibromill, by the collision between the vibration of steel ball and spheroid, macromolecular material can be made to be subject to instantaneous extruding and percussion, material is by contact-impact between spheroid in vibromill, be squeezed collision probability limited, and chronic needed for vibration, the impulsive force be subject to is also limited, more difficultly realizes industrialization.
The patent of invention CN1130545A of the Wang Qi of molecular material engineering National Key Laboratory of Sichuan University etc., use the general principle of macromolecule chemical reaction under effect of stress, for the deficiency of existing product equipment, use for reference design and the structure of Chinese tradition stone mill, manufactured and designed can be used for polymer and filler pulverizing, mixing and force-chemical reaction pan type physico chemical reactor.This reactor, in the process of processing macro-molecular material, can provide larger extruding, shear action, makes material be subject to the multiple effect of stress of all directions and broken, produces more effective fragmentation and force-chemical reaction.Realize adopting field of force technology preparation to have specific function and high performance new material.In addition, Beijing University of Chemical Technology is up-to-date has succeeded in developing the serially connected mill screw extruder of CPJ75/135II, the Mechanico-chemical reactor of its design principle and Sichuan University is similar, and difference is single large mill to change into multiple little mill, thus acquisition better extrudes effect.Series disc-screw extruder is controlled mixing three elements by means such as the adjustments of the shape of mill, number and abrasive disk space, is mainly used in producing special high molecule alloy material and high material of filling.
Summary of the invention
Technical problem to be solved by this invention is to provide and a kind ofly can provides larger shearing force, and shear pressure is stablized, and extrusion efficiency is high, can solve the Strong shear Mechanico-chemical reactor of the stain existed in PUR preparation, yellow some problem.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of Strong shear Mechanico-chemical reactor, comprise frame, barrel, screw rod, described barrel is horizontally fixed in described frame, described screw rod is arranged in described barrel rotationally, described screw rod is divided into melt zone screw rod and feeding section screw rod, barrel residing for described feeding section screw rod is provided with charging aperture, the port of the barrel residing for described melt zone screw rod connects connecting cylinder, the inner chamber of described connecting cylinder be from the link of barrel the arc-shaped that increases gradually to the other end, the milling bar of arc-shaped is provided with in described connecting cylinder, described milling bar is fixedly connected with described melt zone screw rod, the outer surface of described milling bar abuts with the surface of the inner chamber of described connecting cylinder, one end that described connecting cylinder does not connect barrel connects Strong shear cylinder, Strong shear screw rod is provided with in described Strong shear cylinder, described Strong shear screw rod is connected with described milling bar, one end that described Strong shear cylinder does not connect connecting cylinder is provided with discharging opening.
The invention has the beneficial effects as follows: novel, structure is unique, can provide larger shear stress field, use a kind of novel grafting method, preparation for polyolefin hot-melt provides a kind of brand-new method, thus solves the stain, the yellow some problem that exist in PUR preparation.Adopt the method that screw thread is sheared, the pressure field of generation is more stable, and extrusion efficiency is higher, and percent grafting is also higher, thus prepares high performance PUR product.
On the basis of technique scheme, the present invention can also do following improvement.
Further, the connected mode of described connecting cylinder and described barrel and described Strong shear cylinder is for being threaded, and described screw thread is reverse thread.
Further, described milling bar and the connected mode of described screw rod are that reverse thread is connected.
Further, described Strong shear screw rod and the connected mode of described milling bar are that reverse thread is connected.
Adopt the beneficial effect of above-mentioned further scheme to be: to be threaded and to be convenient to dismounting, facilitate processing and manufacturing, and the later stage use in replacing and maintenance.
Further, the spiral shell rib on described Strong shear screw rod is the trapezoidal spiral shell rib of bull, and the lead angle of the trapezoidal spiral shell rib of described bull is 30 degree to 65 degree.
Further, the inwall of described Strong shear cylinder is provided with trapezoidal thread groove, and the lift angle of described trapezoidal thread groove is 30 degree to 65 degree.
The beneficial effect of above-mentioned further scheme is adopted to be: the setting of bull trapezoidal spiral shell rib and trapezoidal thread groove both can obtain higher extrusion efficiency, can keep higher shearing force field again.
Further, described barrel peripheral hardware having heaters.
Further, cooler is provided with outside described barrel.
The beneficial effect of above-mentioned further scheme is adopted to be: it is suitable with adjustment and the temperature stabilization keeping complete machine each several part that heater and cooler are set outside barrel, thus the friction of adjustment materials inside and viscous force, and then the stressed and motion state of adjustment material.
Accompanying drawing explanation
Fig. 1 is a kind of Strong shear Mechanico-chemical reactor of the present invention structural representation;
Fig. 2 is the Strong shear screw-rod structure schematic diagram of a kind of Strong shear Mechanico-chemical reactor of the present invention;
Fig. 3 is the milling bar structural representation of a kind of Strong shear Mechanico-chemical reactor of the present invention;
Fig. 4 is the application schematic diagram of a kind of Strong shear Mechanico-chemical reactor of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, frame, 2, barrel, 3, screw rod, 3-1, feeding section screw rod, 3-2, melt zone screw rod, 4, charging aperture, 5, connecting cylinder, 6, milling bar, 7, Strong shear cylinder, 8, Strong shear screw rod, 9, discharging opening, 10, left-hand thread, 11, the trapezoidal spiral shell rib of bull, 12, left-hand thread groove, 13, thrust bearing, 14, drive link, 15, bearing, 16, motor, 17, trapezoidal thread groove.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, a kind of Strong shear Mechanico-chemical reactor of the present invention, comprise frame 1, barrel 2, screw rod 3, described barrel 2 is horizontally fixed in described frame 1, described screw rod 3 is arranged in described barrel 2 rotationally, described screw rod 3 is divided into melt zone screw rod 3-2 and feeding section screw rod 3-1, barrel 2 residing for described feeding section screw rod 3-1 is provided with charging aperture 4, the port of the barrel 2 residing for described melt zone screw rod 3-2 connects connecting cylinder 5, the inner chamber of described connecting cylinder 5 be from the link of barrel 2 the arc-shaped that increases gradually to the other end, linkage section makes arc-shaped to ensure that the material of molten state can enter Strong shear section smoothly.The milling bar 6 of arc-shaped is provided with in described connecting cylinder 5, described milling bar 6 is fixedly connected with described melt zone screw rod 3-2, the outer surface of described milling bar 6 abuts with the surface of internal cavity of described connecting cylinder 5, one end that described connecting cylinder 5 does not connect barrel 2 connects Strong shear cylinder 7, the connected mode of described connecting cylinder 5 and described barrel 2 and described Strong shear cylinder 7 is for being threaded, described screw thread is reverse thread (contrary with motor steering), to ensure to there will not be the loosening phenomenon that is threaded when running.Strong shear screw rod 8 is provided with in described Strong shear cylinder 7, described Strong shear screw rod 8 is connected with described milling bar 6, described milling bar 6 is that reverse thread 10 is connected with the connected mode of described screw rod 3 and described Strong shear screw rod 8, and one end is provided with one end that described Strong shear cylinder 7 do not connect connecting cylinder 5 and is provided with discharging opening 9.
As described in Figure 2, spiral shell rib on described Strong shear screw rod 8 is the trapezoidal spiral shell rib 11 of bull, the lead angle of the trapezoidal spiral shell rib of described bull is 30 degree to 65 degree, one end of described Strong shear screw rod 8 is provided with the connecting screw rod of surface for left-hand thread 10, Strong shear screw rod 8 connects on the left-hand thread groove 12 of milling bar 6 by connecting screw rod, as described in Figure 3, thus be connected with milling bar 6.The inwall of described Strong shear cylinder is provided with trapezoidal thread groove, and the lift angle of described trapezoidal thread groove is 30 degree to 65 degree.
Be the application schematic diagram of a kind of Strong shear Mechanico-chemical reactor of the present invention as described in Figure 4, feeding section screw rod 3-1 in apparatus of the present invention connects motor 16 by drive link 14, described motor 16 drives screw rod 3, milling bar 6 and Strong shear screw rod 8 to rotate by drive link 14, and described drive link 14 relies on thrust bearing 13 and bearing 15 to support.
Described barrel also can arrange heater and cooler outward, to adjust and keep the temperature stabilization of complete machine each several part and be suitable for, thus the friction of adjustment materials inside and viscous force, and then the stressed and motion state of adjustment material.
In the process of high molecular polymer, powerful extruding, shear action can be provided, make the molten state high molecular polymer be extruded be subject to the shear action of all directions and chain cleavage occurs.Add appropriate maleic anhydride polar materials again in hot conditions with without when peroxide initiator and active fracture free radical generation graft reaction, thus achieve the grafting of no initiator.The grafting masterbatch middle-molecular-weihydroxyethyl distribution realized is narrower, improves graft effect further and improves percent grafting.Improve quality and the bond effect of PUR product.
Not only the present invention provides a kind of new thinking for polyolefinic grafting, is different from solution graft copolymerization, radiation grafting, the grafting of free radical high temperature, light initiation polymerization grafting but also is different from force-chemical reaction solid phase grafting technology.Due to the chain cleavage that this grafting method only utilizes strong shear to produce, add appropriate maleic anhydride isopolarity group in hot conditions with without when peroxide initiator and active fracture free radical generation graft reaction, thus achieve the grafting of no initiator, avoid occurring yellow point, stain in the product, and can percent grafting be improved.The strong shearing force that this device produces preferentially can realize the chain rupture to long-chain macromolecule, and therefore grafting masterbatch middle-molecular-weihydroxyethyl distribution in the cards is narrower, and the grafting masterbatch produced can more be optimized and produce bond effect uniformly in PUR.
Advantage of the present invention is as follows:
1. Strong shear Mechanico-chemical reactor is novel, structure is unique, can provide larger shear stress field, use a kind of novel grafting method, preparation for polyolefin hot-melt provides a kind of brand-new method, thus solves the stain, the yellow some problem that exist in PUR preparation.
2. adopt the method that screw thread is sheared, the pressure field of generation is more stable, and extrusion efficiency is higher, and percent grafting is also higher, thus prepares high performance PUR product.
3. extruding in operation, changing the gap of Strong shear part screw rod and barrel, or the trapezoidal thread groove shape changing Strong shear part screw rod all can change shearing force field distribution when extruding, and improves the adaptability of Mechanico-chemical reactor.
4. Strong shear part and linkage section are all detachable, facilitate processing and manufacturing, and the later stage use in replacing and maintenance.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a Strong shear Mechanico-chemical reactor, comprise frame, barrel, screw rod, described barrel is horizontally fixed in described frame, described screw rod is arranged in described barrel rotationally, described screw rod is divided into melt zone screw rod and feeding section screw rod, barrel residing for described feeding section screw rod is provided with charging aperture, it is characterized in that, the port of the barrel residing for described melt zone screw rod connects connecting cylinder, the inner chamber of described connecting cylinder be from the link of barrel the arc-shaped that increases gradually to the other end, the milling bar of arc-shaped is provided with in described connecting cylinder, described milling bar is fixedly connected with described melt zone screw rod, the outer surface of described milling bar abuts with the surface of the inner chamber of described connecting cylinder, one end that described connecting cylinder does not connect barrel connects Strong shear cylinder, Strong shear screw rod is provided with in described Strong shear cylinder, described Strong shear screw rod is connected with described milling bar, one end that described Strong shear cylinder does not connect connecting cylinder is provided with discharging opening.
2. a kind of Strong shear Mechanico-chemical reactor according to claim 1, is characterized in that, the spiral shell rib on described Strong shear screw rod is the trapezoidal spiral shell rib of bull, and the lead angle of the trapezoidal spiral shell rib of described bull is 30 degree to 65 degree.
3. a kind of Strong shear Mechanico-chemical reactor according to claim 1 and 2, is characterized in that, the inwall of described Strong shear cylinder is provided with trapezoidal thread groove, and the lift angle of described trapezoidal thread groove is 30 degree to 65 degree.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310530259.2A CN103566862B (en) | 2013-11-01 | 2013-11-01 | A kind of Strong shear Mechanico-chemical reactor |
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| CN201310530259.2A CN103566862B (en) | 2013-11-01 | 2013-11-01 | A kind of Strong shear Mechanico-chemical reactor |
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| CN103566862A CN103566862A (en) | 2014-02-12 |
| CN103566862B true CN103566862B (en) | 2015-10-07 |
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| CN106807522A (en) * | 2017-03-22 | 2017-06-09 | 贵州大学 | A kind of environmentally friendly grinding device for building |
| CN108178738B (en) * | 2017-11-22 | 2020-09-22 | 凯莱英生命科学技术(天津)有限公司 | Metformin hydrochloride synthesis system and preparation method |
| WO2020099461A1 (en) * | 2018-11-13 | 2020-05-22 | Basf Se | Apparatus for and process of making pseudoionone and hydroxy pseudoionone |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2461755Y (en) * | 2000-03-15 | 2001-11-28 | 马拉特·阿列克谢耶维奇·格里什科夫 | Screw |
| CN2485126Y (en) * | 2001-06-14 | 2002-04-10 | 徐凌秀 | Single screw-rod nanoscale plastic extruder |
| JP2009248422A (en) * | 2008-04-04 | 2009-10-29 | Teijin Chem Ltd | Molding method of aromatic polycarbonate resin molded product and molded product thereof |
| WO2012073969A1 (en) * | 2010-11-30 | 2012-06-07 | 三菱瓦斯化学株式会社 | Molded article having excellent fuel barrier properties |
| CN202572898U (en) * | 2012-04-04 | 2012-12-05 | 荆州龙海塑胶机械有限公司 | Special screw for injection molding machine for molding transparent plastic products |
-
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2461755Y (en) * | 2000-03-15 | 2001-11-28 | 马拉特·阿列克谢耶维奇·格里什科夫 | Screw |
| CN2485126Y (en) * | 2001-06-14 | 2002-04-10 | 徐凌秀 | Single screw-rod nanoscale plastic extruder |
| JP2009248422A (en) * | 2008-04-04 | 2009-10-29 | Teijin Chem Ltd | Molding method of aromatic polycarbonate resin molded product and molded product thereof |
| WO2012073969A1 (en) * | 2010-11-30 | 2012-06-07 | 三菱瓦斯化学株式会社 | Molded article having excellent fuel barrier properties |
| CN202572898U (en) * | 2012-04-04 | 2012-12-05 | 荆州龙海塑胶机械有限公司 | Special screw for injection molding machine for molding transparent plastic products |
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Effective date of registration: 20210210 Address after: 454950 600 meters northeast of baoanzhuang village, Dafeng Town, Taofeng Industrial Zone, Wuzhi County, Jiaozuo City, Henan Province Patentee after: Jiaozuo Yutong Plastic Technology Co.,Ltd. Address before: 030024 No. 79 West Main Street, Taiyuan, Shanxi, Yingze Patentee before: Taiyuan University of Technology |