CN108752503A - A kind of solwution method haloflex continuous reaction method and system - Google Patents
A kind of solwution method haloflex continuous reaction method and system Download PDFInfo
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- CN108752503A CN108752503A CN201810526792.4A CN201810526792A CN108752503A CN 108752503 A CN108752503 A CN 108752503A CN 201810526792 A CN201810526792 A CN 201810526792A CN 108752503 A CN108752503 A CN 108752503A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/18—Introducing halogen atoms or halogen-containing groups
- C08F8/20—Halogenation
- C08F8/22—Halogenation by reaction with free halogens
Abstract
The present invention, which discloses, provides a kind of solwution method haloflex continuous reaction method and system, belongs to haloflex preparation field, specific steps include：Required raw material is added in the emulsifying kettle of hydrochloric acid solution and is prepared into aaerosol solution；Suspension is continuously fed to low-temp reaction device, medium temperature reactor, isothermal reactor successively；The material that the reaction of isothermal reactor finishes continuously enters cooler and continuous separator, the haloflex of solid phase and the hydrochloric acid separation of liquid phase；The haloflex of solid phase is entered into continous way boiling-bed drying, is sequentially sent to one section, two sections, three sections and four sections of drying bed cooling haloflex product；Packaging is packaged：Obtained haloflex product feeding packing machine is subjected to packaging packing.The present invention need not frequently open reactor, reduce the probability of artificial accidental damage；Heating and cooling repeatedly are not needed, it is greatly energy saving；The significant quality stability for increasing product reduces product reimbursement of damages caused by client's loss and quality fluctuation.
Description
Technical field
The invention belongs to chlorinated polyethylene rubber preparation fields, and in particular to a kind of solwution method haloflex continous way is anti-
Induction method and system.
Background technology
Haloflex is to be mainly used as resin through high molecular material made from chlorination substitution reaction by high density polyethylene (HDPE)
Impact modifier and synthetic rubber.Currently, the product is mainly in our domestic productions.The production method used is mainly hydrochloric acid
Two kinds of production technologies of phase suspension method and water phase suspension.Aqueous phase is big because generating wastewater flow rate, and environmental pollution is seriously eliminated substantially.
The reaction process of both methods, present producer are all by the way of intermittent chlorination tank.
After the glassed steel reaction vessels enlargement of haloflex now（Now fairly large is all to use 25000L
The carbon steel enamel chlorination tank of~60000L）, the corresponding jacket for heat exchange area of unit volume material is remarkably decreased, and most producer adopts
With increasing mixing speed, increasing baffle plate flow-disturbing and changing stirrer paddle pattern or even Aqueous phase using metal kettle etc., react
Heat removes slow problem and can not solve, and the reaction heat for directly affecting reaction process removes.
In addition, the defect and deficiency of the prior art：Present reaction method is that one-pot time is intermittent, and crux equipment leans on import, throws
It provides huge；Every kettle material intermittent charging, clear kettle, heating and cooling, intermittent take-off are needed, chlorination tank is constantly opened and closed, needs
Artificial amount is big；Heavy caliber manhole gasket is frequently replaced, and material and cost of labor are increased；Technological operation is cumbersome；Heating and cooling repeatedly,
Cause very big energy waste；Frequent clear kettle, causes the probability of equipment accidental damage to increase；Batch production significantly reduces
Production efficiency reduces the stability of product quality, causes to perplex to the production of downstream client, is the main point of customer complaint.
Invention content
The present invention provides a kind of solwution method haloflex continuous reaction method to solve Problems Existing, and the present invention is notable
Reduce the investment cost of key equipment；Reactor need not be frequently opened, is saved artificial；It need not frequently clear up, reduce artificial
The probability of accidental damage；Technological operation is simple, and operating cost significantly reduces；Heating and cooling repeatedly are not needed, it is greatly energy saving,
Significantly reduce energy consumption；The significant quality stability for increasing product, product is compensated caused by reducing client's loss and quality fluctuation
Loss.
The technical solution adopted by the present invention to solve the technical problems is：
On the one hand this law invention provides a kind of solwution method haloflex continuous reaction method, the specific steps are：
1. preparing aaerosol solution：By weight, by 150-200 parts of high density polyethylene (HDPE), 0.001~0.005 part of initiator,
The emulsification for filling 1000 parts of hydrochloric acid solutions is added in 0.5~1 part of 0.3~1 part of dispersant, 0.8~2 part of suspension stabilizer and protective agent
In kettle, stirs evenly and be prepared into aaerosol solution；
2. chloridization process：Uniform suspension will be emulsified and be continuously fed to low-temp reaction device, medium temperature reactor, isothermal reaction successively
Device；
3. deacidifying process：The material that the reaction of isothermal reactor finishes, continuously enters cooler and continuous separator, solid phase
Haloflex and the separation of the hydrochloric acid of liquid phase；
4. drying process：The haloflex of solid phase is entered into continous way boiling-bed drying, in the flash evaporation feed of continuous drying bed
In device, material is heated rapidly by hot wind, is sequentially sent to one section, two sections, three sections and four sections of drying bed cooling haloflex
Product,
5. packaging is packaged：Obtained haloflex product feeding packing machine is subjected to packaging packing.
Preferably, suspension is heated to 80~85 DEG C by step 1 in emulsifying kettle.
Preferably, the low-temp reaction device is passed through chlorine at feed inlet, and it is the high density polyethylene (HDPE) quality to lead to chlorine dose
35~50%, low-temp reaction device reaction temperature control 110~120 DEG C of outlet temperature.Because of the high density that haloflex is selected
Polyethylene is more block branches type high density polyethylene (HDPE)s, and the energy that branch and main chain substitution reaction need is different, is embodied in work
During skill, that is, the requirement of reaction temperature is different.The chlorine atom quantity on respective segment after branch and main chain substitution
Difference, directly affect the performance indicator of final haloflex product.This stage is mainly the branch for polyethylene molecular chain
Replaced, branch substitution reaction needs lower temperature.This stage needs the aids in temperature control system that DCS is controlled, and passes through fixed bed
Temperature of charge is adjusted in shell side.Because the performance and adjuvant system of haloflex PP Pipe Compound have fluctuation, lead to chlorine control
The feedback speed of system has deviation, it is therefore desirable to by aids in temperature control system to anti-for the ideal response process of DCS settings
Temperature is answered to carry out correction amendment, to ensure that reaction process is carried out according to scheduled requirement.Liquid chlorine is passed through speed according to reaction temperature
Immediately it is adjusted.
Preferably, the medium temperature reactor is passed through chlorine in entrance, and it is the high density polyethylene (HDPE) quality to lead to chlorine dose
10~15%, medium temperature reactor reaction temperature controls 130~135 DEG C of outlet temperature, this stage is mainly for polyethylene molecular chain
Main chain is replaced, and main chain substitution reaction needs higher temperature.This stage need steam auxiliary heating, liquid chlorine be passed through speed according to
Reaction temperature is adjusted immediately.
Preferably, the isothermal reactor is passed through chlorine in entrance, and it is the high density polyethylene (HDPE) quality to lead to chlorine dose
40~55%, reaction temperature controls 130~135 DEG C of outlet temperature.This stage is mainly the main chain and branch for polyethylene molecular chain
Homogenization substitution is carried out, substitution reaction needs steady temperature.This stage needs heating and cooling system into trip temperature auxiliary adjustment.
Liquid chlorine is passed through speed and is adjusted immediately according to reaction temperature.
Preferably, step 3 is cooled to 50~60 DEG C rapidly in cooler outlet.This stage mainly allows the fast prompt drop of slurry
Temperature, because at high temperature, the oxygen remained in finished product slurry can cause haloflex to aoxidize, rubicundity influences chlorination
Polyethylene finished product whiteness, when to ensure that temperature is set as 50~60 DEG C by haloflex finished product whiteness.
Preferably, 120~125 DEG C of the hot wind described in step 4.Because haloflex wet feed stops in flash distillation dryer
The time is stayed there was only 1~8 second, the material after moisture quickly volatilizees in hot wind can be quickly moved to drier because density becomes smaller
One section in.
Preferably, one section of temperature is kept for 110~120 DEG C in step 4, this stage moisture is also higher, needs higher
Temperature.Because of moisture evaporation in material, material will not overheat.But temperature is lower than the expansion drying stage.Two sections and three sections of temperature
It is kept for 70~80 DEG C, in this stage because moisture is relatively low, higher temperature should not be kept, prevent temperature of charge excessively high, produced
Raw crosslinking caking.Four sections are normal temperature air, and the haloflex finished product that dry moisture is reached to terminal cools down, then from drier
Out, into packaging system.
On the other hand, the present invention also provides a kind of solwution method haloflex continuous reaction systems, including：Continous way
Haloflex reaction unit, continuous separator, continuous dryer and packing machine, the continous way haloflex reaction unit
Low-temp reaction device, medium temperature reactor, isothermal reactor, the cooler being sequentially connected from front to back, the low-temp reaction device, medium temperature
The fixed bed tubulation of silicon carbide heat exchanger tube material is equipped with inside reactor, isothermal reactor；The discharge port of low-temp reaction device connects
Connect the feed inlet of medium temperature reactor, the feed inlet of the discharge port connection isothermal reactor of medium temperature reactor, continous way chlorinated polyethylene
Alkene reaction device connects the feed inlet of cooler, the continuous separation of discharge port connection of cooler by the discharge port of isothermal reactor
The feed inlet of device, the feed inlet of the discharge port connection continuous dryer of continuous separator, the discharge port connection of continuous dryer are beaten
The feed inlet of chartered plane；The bottom of low-temp reaction device, medium temperature reactor and isothermal reactor is respectively provided with chlorine inlet.
The low-temp reaction device, isothermal reactor, is equipped with silicon carbide heat exchanger tube material inside cooler at medium temperature reactor
Fixed bed tubulation, since the highest heat transfer coefficient of silicon carbide is up to 1400W/m2K, and the carbon steel enamel of traditional glass-lined kettle
The heat transfer coefficient of composite layer is less than 42W/m2The heat transfer efficiency of K, silicon carbide are glass lined 33.3 times, this is just greatly solved
The heat transfer problem for restricting chlorinated polyethylene alkene reaction, is obviously improved the utilization rate of reaction kettle, is brought to the temperature control adjusting of reaction process
Great convenience makes reaction more be precisely controlled, and so that the indices fluctuation of product is reduced, contributes to the product for significantly improving product
Matter, is production unit stabilized product quality, and the loss brought by quality fluctuation is reduced for haloflex user.
Preferably, the reaction system is provided with DCS automatic control systems.
Compared with prior art, beneficial effects of the present invention are：
1. a kind of solwution method haloflex continuous reaction system provided by the invention realizes continous way production.Continous way
Mainly the high silicon carbide heat exchanger tube material of heat exchange efficiency, the heating as reaction process is utilized in reaction system and method
Remove material with reaction heat, the low temperature made, in the reaction speed of mild isothermal reactor be greatly improved, overcome because of reaction heat
The reaction speed problem that removing speed is slow and is restricted.The carbon steel glass-lined kettle generally used now, the coefficient of heat transfer are less than
42W/m2.k, and ensure the fixed bed chlorination tank of continuous reaction method, inside uses silicon carbide heat exchanger tube material, silicon carbide
The coefficient of heat transfer be 1400W/m2.K, be 30 times of the glass-lined equipment coefficient of heat transfer or more.
2. a kind of solwution method haloflex continuous reaction method provided by the invention, compared with traditional intermittent life
Production, need not frequently open reactor, after opening several times, will replace gasket, cause larger gasket expense（Each special-purpose cushion
Piece market price is 1000 yuan~3000 yuan because of domestic and imported reason）.Reduce unexpected damage of the equipment frequently in switching process
Bad, the frequent dismounting and fastening of cassette bolt cause kettle mouth enamel easily to damage, and the damage at this position is to cause value number
One critically important reason of million enamel chlorination tank damage.Reduce the intermediate of intermittent reaction process and be interrupted number,
Production efficiency is improved, the intermittent reaction process reaction time was at 4~4.5 hours, and the cleaning, feed time between one-pot time exist
3~3.5 hours；And continuous reaction method need not be cleared up frequently, it is only necessary to according to circumstances, periodic cleaning.Save people
Work reduces the probability of artificial accidental damage；Technological operation is simple, and operating cost significantly reduces.
3. a kind of solwution method haloflex continuous reaction method provided by the invention, is connected by multiple consersion units
Together, different temperatures control uses distinct device, each equipment to be provided directly as required temperature, is not necessarily to heating and cooling repeatedly, pole
It is greatly energy saving, energy consumption is significantly reduced, energy waste is reduced, reduces caused by frequent start-stop reaction kettle pauses and loses.
4. a kind of solwution method haloflex continuous reaction method provided by the invention reduces small batch volume time and makes
At batch quality fluctuation, the significant quality stability for increasing product reduces the quality fluctuation of manufacturer and downstream client
Puzzlement and loss, bring the revolution of haloflex industry production pattern, make reaction process serialization, greatly steady production,
Stabilised quality, it is energy-saving, reduce investment.
5. a kind of solwution method haloflex continuous reaction method provided by the invention, passes through DCS automation controls system
System is controlled, and DCS is dcs, also referred to as Distributed Control System, is for centralized control system
A kind of computer control system, technological operation is simple, save manpower, promote the stability, continuity and production of production process
Efficiency reduces energy loss caused by heating and cooling process repeatedly.
Description of the drawings
Fig. 1 is the structural schematic diagram of reaction system of the present invention；
In figure：1 is continous way haloflex reaction unit, and 2 be low-temp reaction device, and 3 be medium temperature reactor, and 4 be isothermal reaction
Device, 5 be cooler, and 6 be continuous separator, and 7 be continuous dryer, and 8 be baling press.
Specific implementation mode
With reference to embodiment, present disclosure is further illustrated.It should be appreciated that the implementation of the present invention is not limited to
In the following examples, the accommodation in any form and/or change made to the present invention fall within the scope of the present invention.
In the present invention, if not refering in particular to, all parts, percentage are unit of weight, and all equipment and raw material etc. are equal
It is commercially available or the industry is common.If without specializing, the method that embodiment uses is technology generally in the art.
To solve prior art problem, the embodiment of the present invention provides a kind of solwution method haloflex continuous reaction method
And reaction system, it is described in detail below.
Embodiment one
On the one hand the present embodiment provides a kind of solwution method haloflex continuous reaction method, the specific steps are：
1. preparing aaerosol solution：By weight, by 160 parts of high density polyethylene (HDPE), 0.003 part of initiator, 0.8 part of dispersant,
0.8 part of 1.2 parts of suspension stabilizer and protective agent are added in the emulsifying kettles for filling 1000 parts of hydrochloric acid solutions, stir evenly be prepared into it is outstanding
Floating solution；
2. chloridization process：Uniform suspension will be emulsified and be continuously fed to low-temp reaction device, medium temperature reactor, isothermal reaction successively
Device；
3. deacidifying process：The material that the reaction of isothermal reactor finishes, continuously enters cooler and continuous separator, solid phase
Haloflex and the separation of the hydrochloric acid of liquid phase；
4. drying process：The haloflex of solid phase is entered into continous way boiling-bed drying, in the flash evaporation feed of continuous drying bed
In device, material is heated rapidly by hot wind, is sequentially sent to one section, two sections, three sections and four sections of drying bed cooling haloflex
Product,
5. packaging is packaged：Obtained haloflex product feeding packing machine is subjected to packaging packing.
In the present embodiment, suspension is heated to 83 DEG C by step 1 in emulsifying kettle.
In the present embodiment, the low-temp reaction device is passed through chlorine at feed inlet, and it is the high density polyethylene (HDPE) to lead to chlorine dose
The 35~50% of quality, low-temp reaction device reaction temperature control 115 DEG C of outlet temperature.This stage needs cooling water cooling auxiliary control
Temperature.Liquid chlorine is passed through speed and is adjusted immediately according to reaction temperature.
In the present embodiment, the medium temperature reactor is passed through chlorine in entrance, and it is the high density polyethylene (HDPE) matter to lead to chlorine dose
The 13% of amount, medium temperature reactor reaction temperature control 132 DEG C of outlet temperature, this stage needs steam auxiliary heating, liquid chlorine to be passed through speed
Degree is adjusted immediately according to reaction temperature.
In the present embodiment, the isothermal reactor is passed through chlorine in entrance, and it is the high density polyethylene (HDPE) matter to lead to chlorine dose
The 45% of amount, reaction temperature control 133 DEG C of outlet temperature.This stage needs heating and cooling system into trip temperature auxiliary adjustment.Liquid
Chlorine is passed through speed and is adjusted immediately according to reaction temperature.
In the present embodiment, step 3 is cooled to 55 DEG C rapidly in cooler outlet.
In the present embodiment, 122 DEG C of the hot wind described in step 4.
In the present embodiment, one section of temperature keeps 116 DEG C, two sections and three sections temperature to be kept for 75 DEG C in step 4, and four sections are normal
Warm air.
On the other hand, the present invention also provides a kind of solwution method haloflex continuous reaction systems, including：Continous way
Haloflex reaction unit 1, continuous separator 6, continuous dryer 7 and packing machine 8, the continous way chlorinated polyethylene alkene reaction
Low-temp reaction device 2 that device 1 is sequentially connected from front to back, medium temperature reactor 3, isothermal reactor 4, cooler 5, the low temperature are anti-
Answer device 2, medium temperature reactor 3, the fixed bed tubulation that silicon carbide heat exchanger tube material is equipped with inside isothermal reactor 4；Low-temp reaction
The feed inlet of the discharge port connection medium temperature reactor 3 of device 2, the charging of the discharge port connection isothermal reactor 4 of medium temperature reactor 3
Mouthful, continous way haloflex reaction unit 1 connects the feed inlet of cooler 5, cooler by the discharge port of isothermal reactor 4
The feed inlet of 5 discharge port connection continuous separator 6, the feed inlet of the discharge port connection continuous dryer 7 of continuous separator 6,
The feed inlet of the discharge port connection baling press 8 of continuous dryer 7；Low-temp reaction device 2, medium temperature reactor 3 and isothermal reactor 4
Bottom is respectively provided with chlorine inlet.
In the present embodiment, the reaction system is provided with DCS automatic control systems.
Embodiment two
On the one hand the present embodiment provides a kind of solwution method haloflex continuous reaction method, the specific steps are：
1. preparing aaerosol solution：By weight, by 150 parts of high density polyethylene (HDPE), 0.001 part of initiator, 0.3 part of dispersant,
0.5 part of 0.8 part of suspension stabilizer and protective agent are added in the emulsifying kettle for filling 1000 parts of hydrochloric acid solutions, stir evenly be prepared into it is outstanding
Floating solution；
2. chloridization process：Uniform suspension will be emulsified and be continuously fed to low-temp reaction device, medium temperature reactor, isothermal reaction successively
Device；
3. deacidifying process：The material that the reaction of isothermal reactor finishes, continuously enters cooler and continuous separator, solid phase
Haloflex and the separation of the hydrochloric acid of liquid phase；
4. drying process：The haloflex of solid phase is entered into continous way boiling-bed drying, in the flash evaporation feed of continuous drying bed
In device, material is heated rapidly by hot wind, is sequentially sent to one section, two sections, three sections and four sections of drying bed cooling haloflex
Product,
5. packaging is packaged：Obtained haloflex product feeding packing machine is subjected to packaging packing.
In the present embodiment, suspension is heated to 80~85 DEG C by step 1 in emulsifying kettle.
In the present embodiment, the low-temp reaction device is passed through chlorine at feed inlet, and it is the high density polyethylene (HDPE) to lead to chlorine dose
The 35% of quality, low-temp reaction device reaction temperature control 110 DEG C of outlet temperature.This stage needs cooling water cooling aids in temperature control.Liquid
Chlorine is passed through speed and is adjusted immediately according to reaction temperature.
In the present embodiment, the medium temperature reactor is passed through chlorine in entrance, and it is the high density polyethylene (HDPE) matter to lead to chlorine dose
The 10% of amount, medium temperature reactor reaction temperature control 130 DEG C of outlet temperature, this stage needs steam auxiliary heating, liquid chlorine to be passed through speed
Degree is adjusted immediately according to reaction temperature.
In the present embodiment, the isothermal reactor is passed through chlorine in entrance, and it is the high density polyethylene (HDPE) matter to lead to chlorine dose
The 40% of amount, reaction temperature control 130 DEG C of outlet temperature.This stage needs heating and cooling system into trip temperature auxiliary adjustment.Liquid
Chlorine is passed through speed and is adjusted immediately according to reaction temperature.
In the present embodiment, step 3 is cooled to 50 DEG C rapidly in cooler outlet.
In the present embodiment, 120 DEG C of the hot wind described in step 4.
In the present embodiment, one section of temperature keeps 110 DEG C, two sections and three sections temperature to be kept for 70 DEG C in step 4, and four sections are normal
Warm air.
On the other hand, the present invention also provides a kind of solwution method haloflex continuous reaction systems, including：Continous way
Haloflex reaction unit 1, continuous separator 6, continuous dryer 7 and packing machine 8, the continous way chlorinated polyethylene alkene reaction
Low-temp reaction device 2 that device 1 is sequentially connected from front to back, medium temperature reactor 3, isothermal reactor 4, cooler 5, the low temperature are anti-
Answer device 2, medium temperature reactor 3, the fixed bed tubulation that silicon carbide heat exchanger tube material is equipped with inside isothermal reactor 4；Low-temp reaction
The feed inlet of the discharge port connection medium temperature reactor 3 of device 2, the charging of the discharge port connection isothermal reactor 4 of medium temperature reactor 3
Mouthful, continous way haloflex reaction unit 1 connects the feed inlet of cooler 5, cooler by the discharge port of isothermal reactor 4
The feed inlet of 5 discharge port connection continuous separator 6, the feed inlet of the discharge port connection continuous dryer 7 of continuous separator 6,
The feed inlet of the discharge port connection baling press 8 of continuous dryer 7；Low-temp reaction device 2, medium temperature reactor 3 and isothermal reactor 4
Bottom is respectively provided with chlorine inlet.
In the present embodiment, the reaction system is provided with DCS automatic control systems.
Embodiment three
On the one hand the present embodiment provides a kind of solwution method haloflex continuous reaction method, the specific steps are：
1. preparing aaerosol solution：By weight, by 200 parts of high density polyethylene (HDPE), 0.005 part of initiator, 1 part of dispersant, outstanding
1 part of 2 parts of floating stabilizer and protective agent are added in the emulsifying kettles for filling 1000 parts of hydrochloric acid solutions, stir evenly be prepared into suspend it is molten
Liquid；
2. chloridization process：Uniform suspension will be emulsified and be continuously fed to low-temp reaction device, medium temperature reactor, isothermal reaction successively
Device；
3. deacidifying process：The material that the reaction of isothermal reactor finishes, continuously enters cooler and continuous separator, solid phase
Haloflex and the separation of the hydrochloric acid of liquid phase；
4. drying process：The haloflex of solid phase is entered into continous way boiling-bed drying, in the flash evaporation feed of continuous drying bed
In device, material is heated rapidly by hot wind, is sequentially sent to one section, two sections, three sections and four sections of drying bed cooling haloflex
Product,
5. packaging is packaged：Obtained haloflex product feeding packing machine is subjected to packaging packing.
In the present embodiment, suspension is heated to 85 DEG C by step 1 in emulsifying kettle.
In the present embodiment, the low-temp reaction device is passed through chlorine at feed inlet, and it is the high density polyethylene (HDPE) to lead to chlorine dose
The 35~50% of quality, low-temp reaction device reaction temperature control 120 DEG C of outlet temperature.This stage needs cooling water cooling auxiliary control
Temperature.Liquid chlorine is passed through speed and is adjusted immediately according to reaction temperature.
In the present embodiment, the medium temperature reactor is passed through chlorine in entrance, and it is the high density polyethylene (HDPE) matter to lead to chlorine dose
The 10~15% of amount, medium temperature reactor reaction temperature control 135 DEG C of outlet temperature, this stage needs steam auxiliary heating, liquid chlorine logical
Enter speed to be adjusted immediately according to reaction temperature.
In the present embodiment, the isothermal reactor is passed through chlorine in entrance, and it is the high density polyethylene (HDPE) matter to lead to chlorine dose
The 40~55% of amount, reaction temperature control 135 DEG C of outlet temperature.This stage needs to heat and cooling system assists adjusting into trip temperature
Section.Liquid chlorine is passed through speed and is adjusted immediately according to reaction temperature.
In the present embodiment, step 3 is cooled to 60 DEG C rapidly in cooler outlet.
In the present embodiment, 125 DEG C of the hot wind described in step 4.
In the present embodiment, one section of temperature keeps 120 DEG C, two sections and three sections temperature to be kept for 80 DEG C in step 4, and four sections are normal
Warm air.
On the other hand, the present invention also provides a kind of solwution method haloflex continuous reaction systems, including：Continous way
Haloflex reaction unit 1, continuous separator 6, continuous dryer 7 and packing machine 8, the continous way chlorinated polyethylene alkene reaction
Low-temp reaction device 2 that device 1 is sequentially connected from front to back, medium temperature reactor 3, isothermal reactor 4, cooler 5, the low temperature are anti-
Answer device 2, medium temperature reactor 3, the fixed bed tubulation that silicon carbide heat exchanger tube material is equipped with inside isothermal reactor 4；Low-temp reaction
The feed inlet of the discharge port connection medium temperature reactor 3 of device 2, the charging of the discharge port connection isothermal reactor 4 of medium temperature reactor 3
Mouthful, continous way haloflex reaction unit 1 connects the feed inlet of cooler 5, cooler by the discharge port of isothermal reactor 4
The feed inlet of 5 discharge port connection continuous separator 6, the feed inlet of the discharge port connection continuous dryer 7 of continuous separator 6,
The feed inlet of the discharge port connection baling press 8 of continuous dryer 7；Low-temp reaction device 2, medium temperature reactor 3 and isothermal reactor 4
Bottom is respectively provided with chlorine inlet.Reaction system is provided with DCS automatic control systems.
In addition to the technical characteristic described in specification, remaining technical characteristic is the known technology of those skilled in the art, is prominent
Go out the innovative characteristics of the present invention, details are not described herein for remaining technical characteristic.To sum up, the foregoing is merely a prefered embodiment of the invention and
, it should not be limited the scope of the invention with this, i.e., every claims under this invention and present specification are made
Simple equivalent changes and modifications, should all still belong to the range that patent of the present invention covers.
Claims (10)
1. a kind of solwution method haloflex continuous reaction method, it is characterised in that：The specific steps are：
（1）Prepare aaerosol solution：By weight, by 150-200 parts of high density polyethylene (HDPE), 0.001~0.005 part of initiator,
The emulsification for filling 1000 parts of hydrochloric acid solutions is added in 0.5~1 part of 0.3~1 part of dispersant, 0.8~2 part of suspension stabilizer and protective agent
In kettle, stirs evenly and be prepared into aaerosol solution；
（2）Chloridization process：Uniform suspension will be emulsified and be continuously fed to low-temp reaction device, medium temperature reactor, isothermal reaction successively
Device；
（3）Deacidifying process：The material that the reaction of isothermal reactor finishes, continuously into cooler and continuous separator, the chlorine of solid phase
Change the hydrochloric acid separation of polyethylene and liquid phase；
（4）Drying process：The haloflex of solid phase is entered into continous way boiling-bed drying, in the flash evaporation feed of continuous drying bed
In device, material is heated rapidly by hot wind, is sequentially sent to one section, two sections, three sections and four sections of drying bed cooling haloflex
Product；
（5）Packaging is packaged：Obtained haloflex product feeding packing machine is subjected to packaging packing.
2. a kind of solwution method haloflex continuous reaction method according to claim 1, it is characterised in that：Step 1
Suspension is heated to 80~85 DEG C in emulsifying kettle.
3. a kind of solwution method haloflex continuous reaction method according to claim 1, it is characterised in that：It is described low
Warm reactor is passed through chlorine at feed inlet, leads to 35~50% that chlorine dose is the high density polyethylene (HDPE) quality, low-temp reaction device is anti-
Temperature is answered to control 110~120 DEG C of outlet temperature.
4. a kind of solwution method haloflex continuous reaction method according to claim 1, it is characterised in that：In described
Warm reactor is passed through chlorine in entrance, leads to 10~15% that chlorine dose is the high density polyethylene (HDPE) quality, medium temperature reactor reaction
Temperature controls 130~135 DEG C of outlet temperature.
5. a kind of solwution method haloflex continuous reaction method according to claim 1, it is characterised in that：The perseverance
Warm reactor is passed through chlorine in entrance, leads to 40~55% that chlorine dose is the high density polyethylene (HDPE) quality, reaction temperature controls out
130~135 DEG C of temperature of mouth.
6. a kind of solwution method haloflex continuous reaction method according to claim 1, it is characterised in that：Step 3
It is cooled to 50~60 DEG C rapidly in cooler outlet.
7. a kind of solwution method haloflex continuous reaction method according to claim 1, it is characterised in that：Step 4
Described in 120~125 DEG C of hot blast temperature.
8. a kind of solwution method haloflex continuous reaction method according to claim 1, it is characterised in that：Step 4
In one section of temperature keep 110~120 DEG C, two sections and three sections temperature to be kept for 70~80 DEG C, four sections are normal temperature air.
9. a kind of solwution method haloflex continuous reaction system, including：Continous way haloflex reaction unit continuously divides
From device, continuous dryer and packing machine, the low temperature that the continous way haloflex reaction unit is sequentially connected from front to back is anti-
Device, medium temperature reactor, isothermal reactor, cooler are answered, the low-temp reaction device, medium temperature reactor, isothermal reactor inside are
Fixed bed tubulation equipped with silicon carbide heat exchanger tube material；The feed inlet of the discharge port connection medium temperature reactor of low-temp reaction device, in
The feed inlet of the discharge port connection isothermal reactor of warm reactor, continous way haloflex reaction unit pass through isothermal reactor
Discharge port connection cooler feed inlet, cooler discharge port connection continuous separator feed inlet, continuous separator
Discharge port connects the feed inlet of continuous dryer, the feed inlet of the discharge port connection baling press of continuous dryer；Low-temp reaction device,
The bottom of medium temperature reactor and isothermal reactor is respectively provided with chlorine inlet.
10. a kind of solwution method haloflex continuous reaction system according to claim 9, it is characterised in that：It is described
Reaction system is provided with DCS automatic control systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110256613A (en) * | 2019-07-09 | 2019-09-20 | 山东高信化学股份有限公司 | A kind of chliorinated polyvinyl chloride continuous producing method |
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| CN1394884A (en) * | 2001-07-08 | 2003-02-05 | 汪立波 | Industrial production method of high chlorinated polyethylene by adopting water phase suspension method and its product |
| WO2007075164A1 (en) * | 2005-12-28 | 2007-07-05 | Exxonmobil Chemical Patents Inc. | Halogenation processes |
| WO2015051885A2 (en) * | 2013-10-07 | 2015-04-16 | List Holding Ag | Method for producing halobutyl rubber |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394884A (en) * | 2001-07-08 | 2003-02-05 | 汪立波 | Industrial production method of high chlorinated polyethylene by adopting water phase suspension method and its product |
| WO2007075164A1 (en) * | 2005-12-28 | 2007-07-05 | Exxonmobil Chemical Patents Inc. | Halogenation processes |
| WO2015051885A2 (en) * | 2013-10-07 | 2015-04-16 | List Holding Ag | Method for producing halobutyl rubber |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110256613A (en) * | 2019-07-09 | 2019-09-20 | 山东高信化学股份有限公司 | A kind of chliorinated polyvinyl chloride continuous producing method |
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