CN204356266U - A kind of production system of high temperature silicone rubber rubber unvulcanizate - Google Patents
A kind of production system of high temperature silicone rubber rubber unvulcanizate Download PDFInfo
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- CN204356266U CN204356266U CN201420865921.XU CN201420865921U CN204356266U CN 204356266 U CN204356266 U CN 204356266U CN 201420865921 U CN201420865921 U CN 201420865921U CN 204356266 U CN204356266 U CN 204356266U
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- banbury mixer
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Abstract
The utility model discloses a kind of production system of high temperature silicone rubber batch mixing glue, the raw rubber low molecule removal device of production system also comprises Screw Extrusion feed system, the opening for feed of Screw Extrusion feed system is connected with the discharge port of rubber polymerizing reactor, and the discharge port of Screw Extrusion feed system is connected with the opening for feed of de-low still; The Banbury mixer of production system also comprises safety protection structure.Mass transport enters in de-low still by Screw Extrusion feed system by the low molecular device that removes of the production system of high temperature silicone rubber batch mixing glue of the present utility model, be applied with power due to during Screw Extrusion to material, material just can be entered in de-low still by feed valve smoothly, fast without the need to using nitrogen pressurization.The simple security still greatly improved when Banbury mixer works of safety protection structure structure.
Description
Technical field
The utility model relates to a kind of production system of high temperature silicone rubber batch mixing glue.
Background technology
The applicant has submitted application for a patent for invention " gross rubber production system " (notification number CN 102382470B on February 8th, 2011, application number 201110034600.6), comprise crude rubber dehydrating device, rubber polymerizing reactor, raw rubber low molecule removal device, rubber receiver and discharging device, Banbury mixer, cyclic heating device for hot oil, vacuum extractor, nitrogen gas supply device and cooling water circulation refrigerating unit.
When preparing silicon rubber, with dimethyl ring body siloxanes for main raw material, add methyl ethylene four ring body accounting for dimethyl ring body siloxanes thousandth to thousand/tetra-, dimethyl ring body siloxanes is under the effect of catalyzer, there is open chain polyreaction and generate polymer line style dimethyl polysiloxane, also there is open chain polyreaction simultaneously and generate polymer line style methylvinyl-polysiloxane in methyl ethylene four ring body, thus obtains methyl vinyl silicon kautschuk.Rubber is called rubber unvulcanizate by formula and Synergist S-421 95 through mixing the obtained glue of rubber mixing machine, and rubber unvulcanizate is the blank manufacturing silastic product.The key step of the production technique of rubber is dehydration, is polymerized, takes off low and plastic emitting.
Low step is taken off for rubber wherein, because low-molecular-weight line style methylvinyl-polysiloxane contained in rubber can make rubber not reach required elasticity, so remove the low-molecular-weight line style methylvinyl-polysiloxane in rubber, it is one of critical process preparing silastic product.In practical application, because the molecular weight of rubber is very high, usually between 60 ~ 800,000, and viscosity is very high, and Negotiation speed is comparatively slow, and applicant considers can to improve when producing high temperature silicone rubber rubber unvulcanizate the speed of rubber by tubulation preheater and card.
In addition, the shearing action be subject to due to sizing material during mixer mixing is large, glue furnacing temperature is high, silicon rubber is in heat treatment process, and have low molecule combustiblesubstance and produce, sizing material easily produces electrostatic again in whipping process, especially when production gas-phase silicon is rubber mixed, electrostatic is more, likely explode, cause the losses of material, equipment to damage, or even loss of life and personal injury.The Banbury mixer of above-mentioned patent is provided with vent part, arranges safety guard if can increase, then the security of Banbury mixer can be higher.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of production system of high temperature silicone rubber batch mixing glue.
The technical scheme realizing the utility model object is a kind of production system of high temperature silicone rubber batch mixing glue, comprises crude rubber dehydrating device, rubber polymerizing reactor, raw rubber low molecule removal device, rubber receiver and rubber discharging device, Banbury mixer, cyclic heating device for hot oil, vacuum extractor, nitrogen gas supply device and cooling water circulation refrigerating unit; Raw rubber low molecule removal device comprises de-low still, tubulation preheater and card; The banburying still of Banbury mixer comprises kettle cover and still main body.
Raw rubber low molecule removal device also comprises Screw Extrusion feed system, and the opening for feed of Screw Extrusion feed system is connected with the discharge port of rubber polymerizing reactor, and the discharge port of Screw Extrusion feed system is connected with the opening for feed of de-low still; Screw Extrusion feed system comprises machine barrel, reducing motor, screw rod, discharge nozzle, reducing motor is arranged on the left side wall of machine barrel, screw rod is positioned at machine barrel inner chamber, be coaxially set with machine barrel, the left end head of screw rod is connected by shaft coupling with the power output shaft of reducing motor, and the right end of screw rod is near the discharge port of machine barrel.
Banbury mixer also comprises safety protection structure, and the banburying still of Banbury mixer comprises kettle cover and still main body, and kettle cover offers bleeder port; Rupture disk is folded in the middle of upper and lower two pieces of joint flanges, and lower joint flange is fixed on the kettle cover of banburying still of Banbury mixer, and rupture disk is positioned at the top of bleeder port.
The discharge nozzle of the Screw Extrusion feed system of above-mentioned raw rubber low molecule removal device is perpendicular type, and the discharge end of discharge nozzle is connected with the opening for feed of de-low still.
The utility model has positive effect: the low molecular device that removes of the production system of (1) high temperature silicone rubber of the present utility model batch mixing glue is compared and existingly removed low molecular device and add Screw Extrusion feed system, in polymerization reaction kettle, material is not out the de-low still directly entering de-low device from feed valve, but enter Screw Extrusion feed system, by Screw Extrusion feed system, mass transport is entered in de-low still, due to during Screw Extrusion, power is applied with to material, just energy is smooth without the need to using nitrogen pressurization for material, entered in de-low still by feed valve fast.
(2) Banbury mixer of the production system of high temperature silicone rubber batch mixing glue of the present utility model adds safety protection structure, and structure is simple, but security when greatly improving Banbury mixer work; When in production process, still internal pressure exceedes the emergent pressure of banburying still, the rupture disk of safety protection structure can prior to kettle explosion, and the passage that gas reactor now can be formed after rupture disk explosion is discharged, and reaches the effect of quick pressure releasing, thus machine and material can not be damaged, security is higher; If rupture disk there occurs explosion, only the new rupture disk of a slice need be changed.
Accompanying drawing explanation
Fig. 1 is the structural representation removing low molecular device of the production system of high temperature silicone rubber batch mixing glue;
Fig. 2 is the structural representation of the Banbury mixer of the production system of high temperature silicone rubber batch mixing glue;
Fig. 3 is the scheme of installation of rupture disk in Fig. 2;
Mark in above-mentioned accompanying drawing is as follows: remove low molecular device 1, Screw Extrusion feed system 11, machine barrel 11-1, opening for feed 11-1-1, reducing motor 11-2, screw rod 11-3, discharge nozzle 11-4, de-low still 12, still main body 12-1, overhead guard 12-2, tubulation preheater 13, card 14;
Banbury mixer 2, kettle cover 21, bleeder port 21-1, rupture disk 22, joint flange 23.
Embodiment
(embodiment 1)
The production system of the high temperature silicone rubber batch mixing glue of the present embodiment comprises crude rubber dehydrating device, rubber polymerizing reactor, raw rubber low molecule removal device 1, rubber receiver and rubber discharging device, Banbury mixer 2, cyclic heating device for hot oil, vacuum extractor, nitrogen gas supply device and cooling water circulation refrigerating unit.The structure of crude rubber dehydrating device, rubber polymerizing reactor, rubber receiver and rubber discharging device, cyclic heating device for hot oil, vacuum extractor, nitrogen gas supply device and cooling water circulation refrigerating unit and Chinese patent literature CN 102382470B, the structure of application number 201110034600.6 is identical.
Raw rubber low molecule removal device 1, compared with the de-low device of above-mentioned patent documentation, adds Screw Extrusion feed system 11.Raw rubber low molecule removal device 1 comprises Screw Extrusion feed system 11, de-low still 12, tubulation preheater 13 and card 14.
See Fig. 1, de-low still 12 comprises still main body 12-1 and overhead guard 12-2.The middle and upper part of still main body 12-1 is cylindrical shell, and the bottom of still main body 12-1 is inverted cone housing.The height of the middle and upper part housing of still main body 12-1 is 2 meters, and the height of lower case is 1 meter.
The top of overhead guard 12-2 is segment housing, and the bottom of overhead guard 12-2 is cylindrical shell, and the diameter of the middle and lower part of overhead guard 12-2 is less than the diameter of the middle and upper part of still main body 12-1.Overhead guard 12-2 is fixedly connected on still main body 12-1 from top, and is positioned at the center of top opening part of still main body 12-1.
Tubulation preheater 13 is arranged in the cylindrical shell of the overhead guard 12-2 of de-low still 12.Tubulation preheater 13 is provided with the rubber passage of up/down perforation.Card 14 is arranged in the cylindrical shell of the overhead guard 12-2 of de-low still 12, and is positioned at the below of tubulation preheater 13.Card 14 has the tiny through hole of tens thousand of upward and downwards, the top of each through hole is reverse frustoconic, 1 millimeter cylindrical that to be aperture be in bottom.
The opening for feed of Screw Extrusion feed system 11 is connected with the discharge port of the polymerizing reactor of crude rubber production system, and the discharge port of Screw Extrusion feed system 11 is connected with the opening for feed of de-low still 12.
Described Screw Extrusion feed system 11 comprises machine barrel 11-1, reducing motor 11-2, screw rod 11-3, discharge nozzle 11-4.
Machine barrel 11-1 is laterally fixed in frame, and axis is parallel with sea line, supports (not drawing in Fig. 1) by frame.Reducing motor 11-2 is arranged on the left side wall of machine barrel 11-1, arranges near the opening for feed 11-1-1 of machine barrel 11-1.Opening for feed 11-1-1 is arranged on the sidewall of machine barrel 11-1, near left end wall.Screw rod 11-3 is positioned at machine barrel 11-1 inner chamber, is coaxially set with machine barrel 11-1.The left end head of screw rod 11-3 is connected by shaft coupling with the power output shaft of reducing motor 11-2.The right end of screw rod 11-3 is near the discharge port of machine barrel 11-1.The discharge port of machine barrel 11-1 is arranged on the central authorities of its right-hand member wall.
The discharge port of machine barrel 11-1 is connected with the feed end of discharge nozzle 11-4, and discharge nozzle 11-4 is perpendicular type, and the discharge end of discharge nozzle 11-4 is connected with the opening for feed of the overhead guard 12-2 of de-low still 12.
During work, the gluey material flowed out from polymerizing reactor enters Screw Extrusion feed system 11 from the opening for feed 11-1-1 of machine barrel 11-1, during bolt rotary, drives material to flow out from the discharge port of machine barrel 11-1 from left to right, enter discharge nozzle 11-4, thus enter in de-low still 12.Mass transport entered in de-low still by Screw Extrusion feed system, be applied with power due to during Screw Extrusion to material, material just can be entered in de-low still by feed valve smoothly, fast without the need to using nitrogen pressurization.
See Fig. 2, Banbury mixer 2, compared with the de-low device of above-mentioned patent documentation, adds safety protection structure.Safety protection structure comprises rupture disk 22 and joint flange 23.
The banburying still of Banbury mixer 2 comprises kettle cover 21 and still main body, and kettle cover 21 offers bleeder port 21-1.The safety protection structure of the Banbury mixer 2 of the gross rubber production system of the present embodiment is arranged on above the bleeder port 21-1 of kettle cover 21.
See Fig. 3, rupture disk 22 is folded in the middle of upper and lower two pieces of joint flanges 23, and rupture disk 22 is a thin slice, and cross section is arc, and rupture disk 22 raises up.Rupture disk 22 be fixed on by lower joint flange 23 on the kettle cover 21 of the banburying still of Banbury mixer 2, and rupture disk 22 is positioned at the top of bleeder port 21-1 after being fixed on two pieces of joint flange 23 centres.
When Banbury mixer 2 works, when in production process, still internal pressure exceedes the emergent pressure of banburying still, the rupture disk 22 of safety protection structure can prior to kettle explosion, the passage that gas reactor now can be formed from rupture disk 22 explosion is discharged, reach the effect of quick pressure releasing, thus machine and material can not be damaged, security is higher; If rupture disk there occurs explosion, only the new rupture disk of a slice 22 need be changed.
The low molecular device that removes of the production system of high temperature silicone rubber batch mixing glue of the present utility model is compared and is existingly removed low molecular device and add Screw Extrusion feed system, in polymerization reaction kettle, material is not out the de-low still directly entering de-low device from feed valve, but enter Screw Extrusion feed system, by Screw Extrusion feed system, mass transport is entered in de-low still, be applied with power due to during Screw Extrusion to material, material just can be entered in de-low still by feed valve smoothly, fast without the need to using nitrogen pressurization.
Banbury mixer adds safety protection structure, and structure is simple, but security when greatly improving Banbury mixer work; When in production process, still internal pressure exceedes the emergent pressure of banburying still, the rupture disk of safety protection structure can prior to kettle explosion, and gas reactor now can be discharged in still, reaches the effect of quick pressure releasing, thus can not damage machine and material, and security is higher; If rupture disk there occurs explosion, only the new rupture disk of a slice need be changed.
Claims (2)
1. a production system for high temperature silicone rubber batch mixing glue, comprises crude rubber dehydrating device, rubber polymerizing reactor, raw rubber low molecule removal device (1), rubber receiver and rubber discharging device, Banbury mixer (2), cyclic heating device for hot oil, vacuum extractor, nitrogen gas supply device and cooling water circulation refrigerating unit; Raw rubber low molecule removal device (1) comprises de-low still (12), tubulation preheater (13) and card (14); The banburying still of Banbury mixer (2) comprises kettle cover (21); It is characterized in that:
Raw rubber low molecule removal device (1) also comprises Screw Extrusion feed system (11), the opening for feed of Screw Extrusion feed system (11) is connected with the discharge port of rubber polymerizing reactor, and the discharge port of Screw Extrusion feed system (11) is connected with the opening for feed of de-low still (12); Screw Extrusion feed system (11) comprises machine barrel (11-1), reducing motor (11-2), screw rod (11-3), discharge nozzle (11-4), reducing motor (11-2) is arranged on the left side wall of machine barrel (11-1), screw rod (11-3) is positioned at machine barrel (11-1) inner chamber, be coaxially set with machine barrel (11-1), the left end head of screw rod (11-3) is connected by shaft coupling with the power output shaft of reducing motor (11-2), and the right end of screw rod (11-3) is near the discharge port of machine barrel (11-1);
Banbury mixer (2) also comprises safety protection structure, and the kettle cover (21) of Banbury mixer (2) offers bleeder port (21-1); Rupture disk (22) is folded in the middle of upper and lower two pieces of joint flanges (23), and lower joint flange (23) is fixed on the kettle cover (21) of Banbury mixer (2), and rupture disk (22) is positioned at the top of bleeder port (21-1).
2. the production system of high temperature silicone rubber batch mixing glue according to claim 1, it is characterized in that: the discharge nozzle (11-4) of the Screw Extrusion feed system (11) of raw rubber low molecule removal device (1) is perpendicular type, the discharge end of discharge nozzle (11-4) is connected with the opening for feed of de-low still (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865921.XU CN204356266U (en) | 2014-12-30 | 2014-12-30 | A kind of production system of high temperature silicone rubber rubber unvulcanizate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865921.XU CN204356266U (en) | 2014-12-30 | 2014-12-30 | A kind of production system of high temperature silicone rubber rubber unvulcanizate |
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| CN204356266U true CN204356266U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865921.XU Expired - Fee Related CN204356266U (en) | 2014-12-30 | 2014-12-30 | A kind of production system of high temperature silicone rubber rubber unvulcanizate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105966849A (en) * | 2016-05-16 | 2016-09-28 | 天津纽威特橡胶制品股份有限公司 | Delivery device used for rubber compound |
| CN107053512A (en) * | 2017-05-06 | 2017-08-18 | 洛阳和梦科技有限公司 | Multi-functional plastic cement processing unit (plant) |
| CN107538706A (en) * | 2017-10-12 | 2018-01-05 | 威海新元化工有限公司 | A kind of system and method that volatile matter in fluorine-silicon compounded rubber stock is removed using inert gas |
-
2014
- 2014-12-30 CN CN201420865921.XU patent/CN204356266U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105966849A (en) * | 2016-05-16 | 2016-09-28 | 天津纽威特橡胶制品股份有限公司 | Delivery device used for rubber compound |
| CN107053512A (en) * | 2017-05-06 | 2017-08-18 | 洛阳和梦科技有限公司 | Multi-functional plastic cement processing unit (plant) |
| CN107538706A (en) * | 2017-10-12 | 2018-01-05 | 威海新元化工有限公司 | A kind of system and method that volatile matter in fluorine-silicon compounded rubber stock is removed using inert gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20211230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |