CN102516483A - Spandex chain extension reactor - Google Patents
Spandex chain extension reactor Download PDFInfo
- Publication number
- CN102516483A CN102516483A CN2011104089839A CN201110408983A CN102516483A CN 102516483 A CN102516483 A CN 102516483A CN 2011104089839 A CN2011104089839 A CN 2011104089839A CN 201110408983 A CN201110408983 A CN 201110408983A CN 102516483 A CN102516483 A CN 102516483A
- Authority
- CN
- China
- Prior art keywords
- reactor
- rotor
- drive shaft
- charging
- reaction device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a spandex chain extension reactor. Specifically, a reactor comprises a shell and a pedestal. The bottom of a housing is in fixed connection with a mechanical sealing seat. A feeding device consists of a feeding seat, which is fixedly connected to the mechanical sealing seat, and the bottom of the feeding seat is in fixed connection with the shell of the reactor, the shell bottom of which is in fixed connection with the pedestal of the reactor. A driving shaft is installed inside the housing through bearings. A power part transmits power to the driving shaft through a transmission device. The inside of the mechanical sealing seat is provided with a mechanical seal, and the lower end of the driving shaft passes through the mechanical seal and the feeding seat in order so as to stretch into the reactor cavity. The lower end of the driving shaft is equipped with a rotor, and a gap is kept between the rotor and the inner wall of the reactor. The feeding seat is provided with a first feeding flow channel and a second feeding flow channel, the aperture of the first feeding flow channel is twice as many as that of the second feeding flow channel, and the first and the second feeding flow channel are respectively communicated with the reactor cavity. And the bottom of the reactor pedestal is equipped with an outlet.
Description
Technical field
The invention belongs to the spandex production field, particularly relate to a kind of spandex chain extending reaction device that spandex is produced polymerization workshop section prepolymer chain extension that is used for.
Background technology
At present, the polymerization method of raw material generally adopts the prepolymerization and the chain extension polymerization two-step approach intermittence type polymerization mode of production to carry out in the spandex production, i.e. prepolymerization is reflected at many batches of making in the reaction kettle; The chain extension polyreaction then needs the reaction kettle of different whipped forms to carry out, and in the disposable immigration chain extending reaction of prepolymer still, and segmentation is added amine in order to chain extension; Because addition inequality and incomplete mixing; Be easy to generate difference, cause molecular weight unstable, fluctuation range is big; Make polymer quality unstable, spinning property is poor.
Summary of the invention
The technical problem that the present invention will solve provide a kind of simple in structure, mixing of materials evenly, reaction evenly, molecular weight is stable, polymer quality is stable, the spandex chain extending reaction device of good spinnability.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of spandex chain extending reaction device comprises power section, transmission mechanism, drive shaft, shell, mechanical seal, feeding unit, reactor drum, rotor, and reactor drum comprises housing and base; Outer casing bottom is fixedly connected with mechanical sealing base, and feeding unit comprises the charging seat, and mechanical sealing base is fixedly connected with the charging seat; The bottom of charging seat is fixedly connected with the housing of reactor drum; The housing bottom of reactor drum is fixedly connected with the base of reactor drum, and drive shaft is installed in the enclosure through bearing, and power section passes to drive shaft with power through transmission mechanism; Mechanical seal is installed in the mechanical sealing base; The lower end of drive shaft is passed mechanical seal successively, the charging seat stretches in the reactor cavity, and rotor is installed in the lower end of drive shaft, has the gap between rotor and the reactor wall; Offer the first charging runner and the second charging runner on the charging seat; The aperture of the first charging runner is 2 times of the second charging flow passage aperture, and first and second charging runner communicates with reactor cavity respectively, and the bottom of reactor base is provided with discharge port.
Spandex chain extending reaction device of the present invention, wherein said rotor outer wall is made as screw-rod structure.
Spandex chain extending reaction device of the present invention, the outer setting chuck of wherein said reactor shell, the bottom of chuck one side is provided with water-in, and the top of opposite side sets out the mouth of a river.
Spandex chain extending reaction device of the present invention, wherein said rotor is connected with drive shaft through key, and the drive shaft bottom is through nut locking.
Spandex chain extending reaction device of the present invention, wherein said rotor is roughly round shape.
Spandex chain extending reaction device of the present invention is simple in structure, and prepolymer and chainextender continuously supply in the reactor cavity drive shaft turns through the first charging runner and the second charging runner respectively; Drive rotor rotation; Intravital prepolymer of reactor cavity and chainextender are stirred, and reaction is even, thereby makes the molecular weight of polymerization stoste uniform and stable; Polymer quality is stable, good spinnability.
In the spandex chain extending reaction device of the present invention, the rotor outer wall is made as screw-rod structure, and during stirring, prepolymer of from top to bottom flowing through and polymkeric substance also receive the shearing action of rotor outer wall screw-rod structure, thus can mix and react more evenly fully.
Below in conjunction with accompanying drawing spandex chain extending reaction device of the present invention is described further.
Description of drawings
Fig. 1 is the structural representation of spandex chain extending reaction device of the present invention.
Embodiment
As shown in Figure 1; Spandex chain extending reaction device of the present invention comprises power section, transmission mechanism, drive shaft 1, shell 2, mechanical seal 3, feeding unit, reactor drum, rotor 6; Reactor drum comprises housing 51 and base 52; Shell 2 bottoms and mechanical sealing base 31 are connected through bolt, and feeding unit comprises charging seat 4, and mechanical sealing base 31 is fixedly connected with charging seat 4 through bolt; Charging seat 4 bottoms are fixedly connected with the housing 51 of reactor drum through bolt, and housing 51 bottoms of reactor drum are fixedly connected with the base 52 of reactor drum through bolt.
Drive shaft 1 is installed in the shell 2 through bearing 11; Mechanical seal 3 is installed in the mechanical sealing base 31; The lower end of drive shaft 1 is passed mechanical seal 3 successively, charging seat 4 stretches in the reactor cavity 53, and the lower end of drive shaft 1 is connected with rotor 6 through key, and drive shaft 1 bottom is through nut 12 lockings.Rotor 6 is roughly round shape, and rotor 6 outer walls are made as screw-rod structure, have the gap between the inwall of rotor 6 and reactor cavity.
The aperture of offering the first charging runner 41 and the second charging runner, 42, the first charging runners 41 on the charging seat 4 is 2 times of the second charging flow passage aperture 42, and first and second charging runner 41,42 communicates with reactor cavity 53 respectively.
The outer setting chuck 7 of reactor shell 51, the bottom of chuck 7 one sides is provided with water-in 71, and the top of opposite side sets out the mouth of a river 72.Chain extending reaction is thermopositive reaction, and water coolant gets into from water-in 71, flows out from water outlet 72, is used to reduce the temperature of reactor shell 51.The bottom of reactor base 52 is provided with discharge port 54.
Power section is a motor, and transmission mechanism can adopt sprocket chain strip transmission mechanism or pulley belt transmission rig, and motor passes to drive shaft with power through transmission mechanism.Concrete mode of connection is a prior art, repeats no more.
The working process of spandex chain extending reaction device of the present invention is following:
Prepolymer is got in the reactor cavity 53 by the first charging runner 41; Chainextender is got in the reactor cavity 53 by the second charging runner 42, and drive shaft 1 rotates, and drives rotor 6 and rotates; Prepolymer and chainextender in the reactor cavity 53 are stirred; During stirring, prepolymer of from top to bottom flowing through and polymkeric substance also receive the shearing action of rotor 6 outer wall screw-rod structures, thus can mix and react more evenly fully.
The aperture of the first charging runner 41 is 2 times of the second charging flow passage aperture 42; Flow velocity in first and second charging runner 41,42 equates; Through volume pump prepolymer and chainextender are continuously supplied in the reactor cavity 53; Make both according to ratio uniform mixing reactor cavity 53 in of setting, carry out the chain extending reaction of prepolymer, thereby feasiblely be controlled at 30～35% from the effusive polymer solids level of reactor bottom discharge port; Molecular weight to guarantee polymkeric substance is even, and the polymerization viscosity controller is about 5000PaS.
Above-described embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (5)
1. spandex chain extending reaction device, it is characterized in that: comprise power section, transmission mechanism, drive shaft, shell, mechanical seal, feeding unit, reactor drum, rotor, reactor drum comprises housing and base; Outer casing bottom is fixedly connected with mechanical sealing base, and feeding unit comprises the charging seat, and mechanical sealing base is fixedly connected with the charging seat; The bottom of charging seat is fixedly connected with the housing of reactor drum; The housing bottom of reactor drum is fixedly connected with the base of reactor drum, and drive shaft is installed in the enclosure through bearing, and power section passes to drive shaft with power through transmission mechanism; Mechanical seal is installed in the mechanical sealing base; The lower end of drive shaft is passed mechanical seal successively, the charging seat stretches in the reactor cavity, and rotor is installed in the lower end of drive shaft, has the gap between rotor and the reactor wall; Offer the first charging runner and the second charging runner on the charging seat; The aperture of the first charging runner is 2 times of the second charging flow passage aperture, and first and second charging runner communicates with reactor cavity respectively, and the bottom of reactor base is provided with discharge port.
2. spandex chain extending reaction device according to claim 1 is characterized in that: said rotor outer wall is made as screw-rod structure.
3. spandex chain extending reaction device according to claim 2 is characterized in that: the outer setting chuck of said reactor shell, and the bottom of chuck one side is provided with water-in, and the top of opposite side sets out the mouth of a river.
4. spandex chain extending reaction device according to claim 3 is characterized in that: said rotor is connected with drive shaft through key, and the drive shaft bottom is through nut locking.
5. spandex chain extending reaction device according to claim 4, it is characterized in that: said rotor is roughly round shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104089839A CN102516483A (en) | 2011-12-09 | 2011-12-09 | Spandex chain extension reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104089839A CN102516483A (en) | 2011-12-09 | 2011-12-09 | Spandex chain extension reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102516483A true CN102516483A (en) | 2012-06-27 |
Family
ID=46287586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104089839A Pending CN102516483A (en) | 2011-12-09 | 2011-12-09 | Spandex chain extension reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102516483A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1384467A (en) * | 1972-04-05 | 1975-02-19 | Cincinnati Milacron Inc | Mixing of liquids |
| JPS60136730U (en) * | 1984-02-21 | 1985-09-11 | ノイベルク有限会社 | liquid stirring device |
| CN201380058Y (en) * | 2009-03-27 | 2010-01-13 | 上海天地涂料有限公司 | Thick-slurry type stirring machine |
| CN201728077U (en) * | 2010-07-09 | 2011-02-02 | 洛阳市锐创电气设备有限公司 | Multicomponent dynamic stirring device |
-
2011
- 2011-12-09 CN CN2011104089839A patent/CN102516483A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1384467A (en) * | 1972-04-05 | 1975-02-19 | Cincinnati Milacron Inc | Mixing of liquids |
| JPS60136730U (en) * | 1984-02-21 | 1985-09-11 | ノイベルク有限会社 | liquid stirring device |
| CN201380058Y (en) * | 2009-03-27 | 2010-01-13 | 上海天地涂料有限公司 | Thick-slurry type stirring machine |
| CN201728077U (en) * | 2010-07-09 | 2011-02-02 | 洛阳市锐创电气设备有限公司 | Multicomponent dynamic stirring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208812304U (en) | A kind of efficient mixing machine | |
| CN111482152A (en) | Reaction device for processing coating liquid of motor silicon steel sheet | |
| CN102962892B (en) | Double-layer continuous stirring machine | |
| CN213467794U (en) | Reaction kettle stirring device | |
| CN102516483A (en) | Spandex chain extension reactor | |
| CN211546427U (en) | Pitch processingequipment | |
| CN210875277U (en) | Mixing mechanism for chemical reaction kettle | |
| CN217939969U (en) | Mixing arrangement is used in production of poly aluminium chloride solution | |
| CN110882646A (en) | Chemical industry raw materials double-purpose compounding device | |
| CN207641339U (en) | Concentric double-shaft agitating device | |
| CN202910991U (en) | Double-layered continuous stirrer | |
| CN210846387U (en) | Be used for polyferric sulfate reaction dissolving device | |
| CN213078453U (en) | Stirring structure for pouring sealant reaction kettle | |
| CN210410434U (en) | Heating kettle for producing industrial-grade mixed oil | |
| CN107827099A (en) | A kind of high-efficient graphite alkene production equipment based on Internet of Things | |
| CN210011152U (en) | Highway construction concrete mixing pouring equipment | |
| CN210584703U (en) | Raw material mixing device for food | |
| CN208742558U (en) | A kind of water purification agent production equipment | |
| CN209752666U (en) | High-purity polyaluminum ferric chloride production is with high-efficient device of stirring evenly | |
| CN106732259A (en) | A kind of stirring means of reaction vessel | |
| CN205667834U (en) | Compound fertilizer's slip mixing kettle | |
| CN105538507A (en) | Material mixing synchronous stirrer for heat-preserving wallboard | |
| CN201094907Y (en) | Stirring mixer | |
| CN220968854U (en) | Mixer of stirring | |
| CN217910413U (en) | Gas stirring device with function of preventing admixture from precipitating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120627 |