CN205347299U - Rubber apparatus for producing - Google Patents

Abstract

The utility model provides a rubber apparatus for producing, includes the dehydration cauldron, mixes machine, polymerization ware, takes off low molecule ware and ejection of compact machine, the dehydration cauldron the bottom with it connects to mix the bottom of machine, mix the machine with the polymerization ware is connected, the polymerization ware with it connects to take off the top of low molecule ware, the bottom of taking off low molecule ware with ejection of compact machine is connected, still include auxiliary material pre -treatment mechanism, its filter, agitator tank and metering tank of connecting including the order, the metering tank with the dehydration cauldron is connected. Above -mentioned rubber apparatus for producing, the expert can improve the production efficiency of rubber, promotes product quality, and reduction in production cost reduces environmental pollution.

Description

Rubber process units

Technical field

This utility model relates to the production field of rubber raw rubber, particularly relates to a kind of rubber process units.

Background technology

Methyl vinyl silicone rubber is the basic polysiloxanes of uncured (crosslinking), is called for short rubber, and it is the linear polydimethyl organosiloxane of a class high molecular weight.

Methyl vinyl silicone rubber is a kind of functional high molecule material, chemical constitution due to its linear polysiloxanes, namely chain is made up of Si-O-Si key, there is the thermo oxidative stability of excellence, weatherability, highly-breathable, electrical insulating property, nontoxic, the performance that the other materials such as physiological inertia are incomparable, therefore, it is widely used in Aero-Space, electric apparatus, electronics, petrochemical industry, weaving, automobile, medicine, food processing and everyday articles manufacture field, it is described as " industry monosodium glutamate ", high-tech and the upgrading and optimization of industrial structure are played the effect become more and more important, it is 21 century develop one of indispensable new material.Rubber can not only be used for basic material, can be added into other material and improve its performance by functional material again, no matter is bulk product or marketable special product, all belongs to the fine chemical product of height capital intensive, high added value.

In the preparation process of silicone rubber, with dimethyl ring body siloxanes for primary raw material, and add methyl ethylene four ring body accounting for dimethyl ring body siloxanes one thousandth to 4/1000ths, dimethyl ring body siloxanes is under the effect of catalyst, open chain polyreaction is occurred to generate macromolecule line style dimethyl polysiloxane, methyl ethylene four ring body also occurs open chain polyreaction to generate macromolecule line style methylvinyl-polysiloxane simultaneously, thus obtaining methyl vinyl silicon kautschuk.

Such as, Chinese patent 201110021460.9 discloses the production technology of a kind of synthesizing methyl vinylsiloxane rubber, have employed tube polymerization device and is configured with twice flash evaporation technology；Adopting dimethicone or octamethylcy-clotetrasiloxane to make raw material, its concrete steps include: the broken matchmaker's full flashing secondary flash of auxiliary agent polymerization is added in metering dehydration.This utility model production technology, operating flexibility is big, and process controllability is strong；There are the device of good mass transter and the area of sufficient heat exchange, improve molecular weight distribution；UNICOM's pipeline of the import and export of tube polymerization device can be passed through, easily change the flow direction of material, get rid of in time and cleaning tube polymerization device；Can the response situation in tube polymerization device of the on-line analysis at any time, it is simple to middle control, timely adjusting process formula and process conditions；Add a set of flash distillation plant, be conducive to alleviating the burden of vacuum system, be more favorable for stablizing of product quality.

And for example, Chinese patent 201510049141.7 discloses a kind of silicon rubber production line, relate to silicone rubber and produce equipment manufacturing technology field, including mixer, the charging aperture of described mixer is connected to major ingredient pretreatment unit and adjuvant pretreatment unit, and the discharging opening of described mixer passes sequentially through preheater, multi-section tube type polymerizer is connected with screw extruder.Compared with prior art, the present invention can solve the problem that existing methyl vinyl silicone rubber production cost is high and quality is low.

And for example, Chinese patent 201320604700.2 discloses a kind of silicone rubber and produces equipment, including reactor, reactor top and bottom are respectively equipped with powder charging aperture and discharging opening, discharging opening is communicated with conveying worm, the discharge end top of conveying worm is provided with adsorption orifice, reactor top is additionally provided with raw material return port, including storage tank, storage tank top and bottom are respectively equipped with storage tank import and storage tank outlet, storage tank import is connected by feed pipe with adsorption orifice, storage tank outlet is connected by discharge pipe with raw material return port, storage tank is provided with the Pressure gauge with storage tank inner space and vacuum pump；Powder charging aperture is provided with and prevents powder splinter device, and its inlet communication has powder feeder；The JO of reactor is communicated with heat recycling device.Relate to silicone rubber technical field, solve powder in prior art add fashionable excessive, can not continuous charging, react remaining liquid charging stock collect, the reaction raw materials problem that utilizes additional energy source when being dried and be incubated.

But in existing production technology, general device investment is relatively larger, and production efficiency is relatively low, also has certain pollutant and discharge.

Utility model content

Based on this, for the problems referred to above, it is necessary to provide a kind of rubber process units, it is possible to improve production efficiency, Improving The Quality of Products, reduce production cost, reduce environmental pollution.

A kind of rubber process units, including dehydrating kettle, mixer, polymer reactor, de-low molecule device and discharging machine, the bottom of described dehydrating kettle is connected with the bottom of described mixer, described mixer is connected with described polymer reactor, described polymer reactor is connected with the top of described de-low molecule device, and the bottom of described de-low molecule device is connected with described discharging machine；

Also including adjuvant pretreatment mechanism, it includes the filter, agitator tank and the measuring tank that are linked in sequence, and described measuring tank is connected with described dehydrating kettle.

Wherein in an embodiment, the crutcher in described housing.

Wherein in an embodiment, described housing is additionally provided with hot water circuit pipeline.

Wherein in an embodiment, described measuring tank is connected with described dehydrating kettle by dosing pump.

Wherein in an embodiment, the top of described housing offers outlet, and described mixer is connected with described polymer reactor by described outlet.

Wherein in an embodiment, described inner walls is provided with anti-corrosion layer.

Wherein in an embodiment, in described housing, it is additionally provided with thermometer.

Wherein in an embodiment, in described housing, it is provided with some baffle plates.

Above-mentioned rubber process units, by the bottom of dehydrating kettle is connected with the bottom of mixer, mixer is connected with polymer reactor, polymer reactor is connected with the top of de-low molecule device, the bottom of de-low molecule device is connected with discharging machine, it is possible to improve the production efficiency of rubber, Improving The Quality of Products, reduce production cost, reduce environmental pollution.

Accompanying drawing explanation

Fig. 1 is the structural representation of rubber process units in this utility model one embodiment；

Fig. 2 is the structural representation of major ingredient pretreatment mechanism and adjuvant pretreatment mechanism in this utility model one embodiment；

Fig. 3 is the structural representation of dehydrating kettle in this utility model one embodiment；

Fig. 4 is the structural representation of mixer in this utility model one embodiment；

Fig. 5 is the structural representation of polymer reactor in this utility model one embodiment；

Fig. 6 is the structural representation of de-low molecule device in this utility model one embodiment.

Detailed description of the invention

Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Elaborate a lot of detail in the following description so that fully understanding this utility model.But this utility model can be implemented being much different from alternate manner described here, and those skilled in the art can do similar improvement when without prejudice to this utility model intension, therefore this utility model is by the following public restriction being embodied as.

It should be noted that be referred to as " being fixed on " another element when element, it can directly on another element or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly to another element or may be simultaneously present centering elements.For illustrative purposes only, being not offered as is unique embodiment for term as used herein " vertical ", " level ", "left", "right" and similar statement.

Unless otherwise defined, all of technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model are generally understood that.The purpose describing specific embodiment it is intended merely to herein, it is not intended that in restriction this utility model at term used in the description of the present utility model.Term as used herein " and/or " include the arbitrary and all of combination of one or more relevant Listed Items.

Such as, a kind of rubber process units, it includes dehydrating kettle, mixer, polymer reactor, de-low molecule device and discharging machine, the bottom of described dehydrating kettle is connected with the bottom of described mixer, described mixer is connected with described polymer reactor, described polymer reactor is connected with the top of described de-low molecule device, and the bottom of described de-low molecule device is connected with described discharging machine.Described rubber process units also includes adjuvant pretreatment mechanism, and it includes the filter, agitator tank and the measuring tank that are linked in sequence, and described measuring tank is connected with described dehydrating kettle.

Referring to Fig. 1, it is the structural representation of rubber process units in this utility model one embodiment.Rubber process units 10 includes major ingredient pretreatment mechanism 100, adjuvant pretreatment mechanism 200, dehydrating kettle 300, mixer 400, polymer reactor 500, de-low molecule device 600 and discharging machine 700, major ingredient pretreatment mechanism 100 and adjuvant pretreatment mechanism 200 are connected with dehydrating kettle 300 respectively, the bottom of dehydrating kettle 300 is connected with the bottom of mixer 400, mixer 400 is connected with polymer reactor 500, polymer reactor 500 is connected with the top of de-low molecule device 600, and the bottom of de-low molecule device 600 is connected with discharging machine 700.

Above-mentioned rubber process units, by the bottom of dehydrating kettle is connected with the bottom of mixer, mixer is connected with polymer reactor, polymer reactor is connected with the top of de-low molecule device, the bottom of de-low molecule device is connected with discharging machine, it is possible to improve the production efficiency of rubber, Improving The Quality of Products, reduce production cost, reduce environmental pollution.

In the present embodiment, also including nitrogen making machine 800 and vacuum pump 900, nitrogen making machine 800 is connected with dehydrating kettle 300, and vacuum pump 900 is connected with dehydrating kettle 300 and de-low molecule device 600 respectively.

Referring to Fig. 2, major ingredient pretreatment mechanism 100 includes the first measuring tank 110 and major ingredient filter 120, and the first measuring tank 110 is connected with dehydrating kettle 300 by major ingredient filter 120, it is preferred that be additionally provided with metering valve between major ingredient filter 120 and dehydrating kettle 300.

Further, being provided with grid 121 in major ingredient filter 120, the angle of grid 121 is 65 °～75 °, to be removed by the impurity in major ingredient largely.Such as, described grid includes the first grid and the second grid that stacking is arranged, and wherein, the grid of described first grid, more than the grid of described second grid, so can obtain good filter effect.And for example, being additionally provided with spongy layer between described first grid and described second grid, hole therein is more than the grid of described second grid and less than the grid of described first grid, so, has the effect of the fabulous impurity removed in major ingredient.And for example, described spongy layer is for dredging hole spongy layer, and it has comparatively sparse emptying aperture structure.Preferably, described spongy layer includes net muscle portion and sponge portion, and described net muscle portion has network structure, and its mesh is described sponge portion.The hole in described sponge portion is more than the grid of described second grid and less than the grid of described first grid.

Further, the bottom of the first measuring tank 110 is additionally provided with recovery tube 111, major ingredient is after the first measuring tank 110 stands deposition, major ingredient with impurity is reclaimed from recovery tube 111, when major ingredient is clear shape, again major ingredient is flowed in major ingredient filter 120, improve utilization rate and the purity of major ingredient.

Further, in order to observe liquid level in the first measuring tank, referring to Fig. 2, the first measuring tank 110 is provided with liquidometer 112, by observing the data of liquidometer 112, it is possible to the convenient consumption controlling raw material, it is to avoid liquid exceeds safe altitude.

Please continue to refer to Fig. 2, adjuvant pretreatment mechanism 200 includes the adjuvant filter 210, agitator tank 220 and the second measuring tank 230 that are linked in sequence, and the second measuring tank 230 is connected with dehydrating kettle 300.Preferably, it is additionally provided with metering valve between the second measuring tank 230 and dehydrating kettle 300.Further, the bottom of the second measuring tank is additionally provided with recovering material pipe, and adjuvant is after the second measuring tank stands deposition, adjuvant with impurity is reclaimed from recovering material pipe, when adjuvant is clear shape, then adjuvant is flowed in adjuvant filter, to improve utilization rate and the purity of adjuvant.

Referring to Fig. 3, it is the structural representation of dehydrating kettle in this utility model one embodiment.

Dehydrating kettle 300 includes kettle 310, be arranged in kettle 310 agitator 320 and be sheathed on kettle 310 add hot jacket 330, nitrogen tube 311 it is provided with in kettle 310, one end of nitrogen tube 311 is open design, namely, inlet end, and it is arranged at the side of kettle 310, the other end is enclosed construction, nitrogen tube 311 is helical structure, and nitrogen tube 311 offers some ventholes 312.The open end of nitrogen tube 311 is connected with nitrogen making machine 800.

Further, venthole 312 is circular hole, and the diameter of venthole 312 is 5～10mm.Further, the equal diameters of each venthole 312, so that gas is uniformly distributed.

Further, some ventholes 312 are uniformly distributed.Such as, adjacent two ventholes 312 be spaced apart 25～35mm.And for example, the angle between the tangent line of adjacent two ventholes 312 is 5 °～10 °.And for example, the spacing of venthole is gradually increased along with the distance of distance inlet end and reduces, i.e. the spacing of the venthole 312 near the position of inlet end is more than the spacing of the venthole 312 of the position away from inlet end.

Further, the pitch of nitrogen tube 311 is 80～300mm, when pitch is less, the stroke of nitrogen tube 311 is excessive, and material cost is higher, and in nitrogen tube 311, air velocity loss is bigger, the air velocity making venthole 312 is less, when pitch is bigger, gas is less with the contact surface of raw material, is difficult to be sufficiently mixed with raw material.

Further, in order to reduce the stroke of nitrogen tube, such as, the inlet end of nitrogen tube 311 is arranged at the side position by bottom of kettle 310, and for example, the height of the inlet end of nitrogen tube 311 is the 1/8～1/3 of kettle 310 side height, and for example, and height is kettle 310 side height the 1/6～1/3 of the inlet end setting of nitrogen tube 311.

Further, agitator 320 includes shaft 321 and the first stirring paddle 322 and the second stirring paddle 323 being arranged on shaft 321, and the second stirring paddle 323 is positioned at the lower section of the first stirring paddle 322, and the first stirring paddle 322 is positioned at the top of nitrogen tube 311.

Further, the diameter of the second stirring paddle 323 is less than the screw diameter of nitrogen tube 311, it is to avoid the stirring of the second stirring paddle 323 is interfered by nitrogen tube 311.Further, the 2/3～5/6 of the screw diameter that diameter is nitrogen tube 311 of the second stirring paddle 323, clashed into nitrogen tube 311 when the second stirring paddle 323 both can have been avoided to rotate, gas-liquid can be made again to be sufficiently mixed.

Further, the second stirring paddle 323 is several, and several second stirring paddles 323 are uniformly distributed, and the spacing between adjacent two the second stirring paddles is 80～100mm.

Further, the diameter of the first stirring paddle 322 is more than the diameter of the second stirring paddle 323, to improve when the second stirring paddle rotates the region to material disturbance.

Further, the top of kettle 310 is provided with vacuum orifice 315, and vacuum pump (not shown) is connected with kettle 310 by vacuum orifice 315.

Further, the centre of the bottom of kettle 310 offers discharging opening 316, and discharging opening 316 is connected with mixer 400 by outlet valve 317.Such as, outlet valve 317 is ball valve.

Above-mentioned dehydrating kettle, owing to arranging the nitrogen tube of helical structure, by passing into nitrogen, it is possible to make raw material overturn, makes nitrogen and raw material be fully contacted, it is possible to carry away the micro-moisture in raw material secretly, make the water content in raw material be reduced to below 10ppm.

Referring to Fig. 4, it is the structural representation of mixer in this utility model one embodiment.

Mixer 400 includes housing 410, be arranged in housing 410 crutcher 420 and the hot water circuit pipeline 430 being arranged on housing 410.

Further, several baffle plates 440 it are additionally provided with in housing 410.By arranging baffle plate 440, when the material in housing 410 is stirred by crutcher 420, it is possible to increase intermolecular collision frequency, and then make the material in housing 410 be sufficiently mixed uniformly.

Further, baffle plate 440 is arranged at the bottom of housing 410, further, the height of each baffle plate 440 is unequal, and further, highly bigger baffle plate 440 and highly less baffle plate 440 interval are arranged, that is, the connecting line between the peak of each baffle plate 440 forms broken line.

In the present embodiment, housing 410 is the integral piece that steel plate is made through punch welding.In order to avoid housing 410 corrodes, housing 410 inwall is provided with anti-corrosion layer.Such as, described anti-corrosion layer includes the material with carbon elements such as graphite, nano carbon material, diamond like carbon, and chemical physical property temperature, heat conductivity is good.And for example, described anti-corrosion layer is diamond like carbon (DLC) coating being located on described containing cavity inwall, and for example, described diamond-like coating and described containing cavity inwall have been additionally provided with the chrome coating of solid attached effect, so that diamond-like coating and containing cavity inwall have stronger adhesion.Preferably, the thickness of described diamond-like coating is 1.0～2.0 microns, and the thickness of chrome coating is 10～40 nanometers.And for example, the composition of described diamond-like coating includes the graphite-phase of 20%～60% and the diamond phase of 80%～40%.

Further, in order to make the mixing of materials in mixer uniform, for instance, the top of housing 410 offers outlet 411, and the material in housing 410 is by exporting 411 entrance polymer reactors 500.Owing to material enters from the bottom of mixer, flow out from the top of mixer, it is possible to increase the material time of staying in mixer, reach well-mixed purpose.

For the ease of the situation of material in observation mixer, for instance, it is provided with thermometer 412 in housing 410, by the temperature on observed temperature meter, it is possible to the situation of material in convenient understanding mixer.

Above-mentioned mixer, by arranging screw mixer and heating coil, heats up in whipping process, it is possible to the material entered in mixer is sufficiently mixed, and can provide preparatory condition for follow-up reaction.

Referring to Fig. 5, it is the structural representation of polymer reactor in this utility model one embodiment.

Polymer reactor 500 includes reaction tube 510, be arranged at reaction tube 510 agitating device 520 and the heating controller (not shown) being arranged at outside reaction tube 510, agitating device 520 includes rotating shaft 521 and the spiral helicine blade 522 being arranged on rotating shaft 521, blade 522 is made up of heat-conducting metal, and blade 522 and described heating controller, described heating controller is used for heating blade 522.

In order to improve the heat-conductive characteristic of blade, and reduce resistance when blade rotates, for instance, the material of blade 522 is aluminium alloy, as such, it is possible to improve the heat-conductive characteristic of blade and reduce resistance when blade rotates.

In order to improve the heat conductivility of blade further, improve the decay resistance of blade, for instance, the surface configuration of blade 522 has Graphene coating, and for example, the thickness of described Graphene coating is 10～50 microns, and for example, the thickness of described Graphene coating is 20～40 microns, and for example, the thickness of described Graphene coating is 25～35 microns, utilizes the heat conductivility that Graphene is high, heat on blade is transferred to rapidly in the material of reaction tube, accelerates the response speed of material in reaction tube.

Further, for the ease of controlling the temperature in reaction tube, such as, temperature sensor (not shown) it is additionally provided with in reaction tube 510, described temperature sensor is connected with described heating controller, temperature data in reaction tube is transferred in described heating controller by temperature sensor, and described heating controller is automatically adjusted the temperature of blade according to the data of temperature sensor feedback.

Further, in order to reduce the loss of heat in reaction tube, for instance, the outer wall of reaction tube 510 is provided with insulation jacket 511, by arranging insulation jacket, it is possible to reduce by the heat that reaction tube outer wall scatters and disappears to air, improves heat utilization rate.

Further, for being sufficiently mixed of material in reaction tube, for instance, the height of blade 522 is the 1/2～3/4 of the height of rotating shaft 521, and and for example, the height of blade 522 is the 2/3 of the height of rotating shaft 521, as such, it is possible to make material in reaction tube be sufficiently mixed.

Further, for the ease of the response situation of material in observation reaction tube, such as, the sidewall of reaction tube 510 is provided with visual window 512, and for example, visual window is the glass of high-strength corrosion-resisting, by arranging visual window, can conveniently observe the response situation of material in reaction tube, conveniently in time the response parameter in reaction tube is adjusted.

Above-mentioned polymer reactor, by arranging spiral helicine heat conduction blade, it is possible to quickly transfer heat in material when making blade rotate so that the homogeneous temperature distribution in reaction tube, and then improves the reaction rate of material in reaction tube.

Referring to Fig. 6, it is the structural representation of de-low molecule device in this utility model one embodiment.

De-low molecule device 600 includes de-low still 610 and low molecule catcher 620, low molecule catcher 620 is connected with de-low still 610, polymer reactor 500 is connected with de-low still 610, de-low still 610 is connected with discharging machine 700, de-low still 610 is provided with several evacuation holes 611, and de-low still 610 is connected with vacuum pump 900 by evacuation hole 611.

It is appreciated that material mainly utilizes high temperature by unreacted major ingredient, remnants adjuvant and product separation through de-low molecule device, major ingredient and adjuvant all can reach boiling point and gasify, or resolving into low molecular compound, these low molecular compounds can be taken away by vacuum, is recycled in low molecule catcher.

Further, in order to slough the low molecule in product as far as possible, such as, de-low still 610 and low molecule catcher 620 are additionally provided with condensing tube 630, low molecular compound flows in low molecule catcher 620 after forming liquid by condensing tube 630 liquefaction, this way it is possible to avoid the low molecular compound entered in low molecule catcher is by diffusing in de-low still, improve low molecular removal efficiency.

Further, the top of de-low still 610 is provided with tube still heater 612, further, tube still heater 612 is two, and two tube still heaters 612 are in upper and lower series arrangement, further, spacing between two tube still heaters 612 is 20～50 centimetres, when being heated to identical temperature, shortens product stroke in tube still heater, decrease the time of contact of product and high temperature tube still heater, thus the crosslinking produced after reducing the contact of product high temperature tube wall and yellowing phenomenon.

Further, referring to Fig. 6, the bottom of de-low still 610 is coniform, as such, it is possible to increase the product time of staying at de-low still 610, improves the removal efficiency of low molecular compound in product.

Further, the temperature in order to be lowered in discharging machine product, for instance, de-between low still 610 and discharging machine 700, it is additionally provided with cooler 640, by the cooling of cooler, makes the product temperature in entrance discharging machine relatively low.

In the present embodiment, discharging machine 700 is continuous discharge machine, is provided with cooling water coil 710 in discharging machine 700, the cooling of logical supercooled water, it is possible to reduce the temperature of product in discharging machine further.

Further, in order to improve production efficiency, being provided with extrusion screw rod 720 in discharging machine 700, under the drive of extrusion screw rod 720, product accelerates the translational speed to discharging machine outlet, to improve production efficiency.

In order to improve the utilization rate of heat energy further, such as, also include waste-heat recovery device (not shown), described waste-heat recovery device is connected with cooling water coil 710, cooling water after heated flows into waste-heat recovery device, both can avoid causing environmental pollution, but also heat energy can have been recycled, improve the utilization rate of heat energy.

In order to be more fully understood that above-mentioned rubber process units, this utility model also provides for a kind of rubber production technology, and it comprises the steps:

S101, will in major ingredient DMC (dimethyl siloxane) suction the first measuring tank stand 4～6 hours, by the recovery tube bottom the first measuring tank by impurity release, until release colourless transparent liquid, major ingredient is put in major ingredient filter filter.

S102, opening metering valve, make the major ingredient after filtration enter in dehydrating kettle, dehydrating kettle is heated to 55～65 DEG C, opens vacuum pump evacuation, simultaneously to dehydrating kettle nitrogen blowing bubbling, nitrogen flow controls at about 0.4～0.6m³/ h, maintains temperature of charge 60～70 DEG C in still, dehydration 6～8 hours.

It should be noted that during evacuation, first vacuum valve is slightly opened, when in dehydrating kettle, pressure is reduced to the 1/3 of normal pressure, vacuum valve is fully open, it is to avoid pressure differential is excessive causes pipeline breaking.

S103, the major ingredient in dehydrating kettle is cooled to 40～50 DEG C, add adjuvant, adjuvant includes methyl ethylene ring body (VMC), closure agent, catalyst by proportion join in adjuvant filter and filter, and is sent into by the adjuvant after filtering after being sufficiently stirred in agitator tank, sends into after standing in the second measuring tank, it is re-fed in dehydrating kettle, continue to keep evacuation, nitrogen bubble 30 minutes, stop evacuation, eliminate vacuum with nitrogen, make in dehydrating kettle, to keep more than 0.01Mpa standby.

Wherein, the Main Ingredients and Appearance of closure agent is vinyl double-seal head agent, and the addition of closure agent is 0.1～1wt% of siloxanes, and catalyst is Tetramethylammonium hydroxide.

S105, the major ingredient after dehydration and adjuvant are sent into stirring 1～2 hour in mixer, and heat to 60～70 DEG C.

S106, sending in polymer reactor by the major ingredient in mixer and adjuvant, the temperature controlled in polymer reactor is 105～115 DEG C, stands 1 hour after stir 30 minutes, standing 1 hour after continuing to be stirred for 30 minutes.

S107, the product after polymerization is sent in de-low molecule device with the speed of 230～300kg/h, de-low molecule device is heated, temperature is maintained at 150～200 DEG C, when being partially filled with material on de-low molecule device, cool down de-low molecule device, open vacuum pump to de-low molecule device evacuation, regulate temperature to about 150～190 DEG C, make the temperature of sizing material control at 155 DEG C～175 DEG C, sizing material is, under silk noil shape is hung, remove low molecule under vacuo.

Wherein, the temperature controlling upper strata tube still heater is 150～170 DEG C, and the temperature of lower floor's tube still heater is 170～200 DEG C, and product residence time between upper strata tube still heater and lower floor's tube still heater is 10～30 minutes.

S108, when having glue bottom de-low molecule device, open discharging machine, after discharging, obtain rubber.

For example, it is desired to the extrusion screw rod rotating speed regulating discharging machine makes to have remained a small amount of sizing material in de-low still, in order to avoid air leaks into.

Above-mentioned rubber process units, by the bottom of dehydrating kettle is connected with the bottom of mixer, mixer is connected with polymer reactor, polymer reactor is connected with the top of de-low molecule device, the bottom of de-low molecule device is connected with discharging machine, it is possible to improve the production efficiency of rubber, Improving The Quality of Products, reduce production cost, reduce environmental pollution.

Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.

Embodiment described above only have expressed several embodiments of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.

Claims (8)

1. a rubber process units, it is characterized in that, including dehydrating kettle, mixer, polymer reactor, de-low molecule device and discharging machine, the bottom of described dehydrating kettle is connected with the bottom of described mixer, described mixer is connected with described polymer reactor, described polymer reactor is connected with the top of described de-low molecule device, and the bottom of described de-low molecule device is connected with described discharging machine；

Also including adjuvant pretreatment mechanism, it includes the filter, agitator tank and the measuring tank that are linked in sequence, and described measuring tank is connected with described dehydrating kettle.

2. rubber process units according to claim 1, it is characterised in that described mixer includes housing and is arranged at the crutcher in described housing.

3. rubber process units according to claim 2, it is characterised in that be additionally provided with hot water circuit pipeline on described housing.

4. rubber process units according to claim 2, it is characterised in that described measuring tank is connected with described dehydrating kettle by dosing pump.

5. rubber process units according to claim 2, it is characterised in that the top of described housing offers outlet, and described mixer is connected with described polymer reactor by described outlet.

6. rubber process units according to claim 2, it is characterised in that described inner walls is provided with anti-corrosion layer.

7. rubber process units according to claim 2, it is characterised in that be additionally provided with thermometer in described housing.

8. rubber process units according to claim 2, it is characterised in that be provided with some baffle plates in described housing.