CN209576622U - A kind of polytetrafluoroethyldispersion dispersion resin polymerization automation application device - Google Patents
A kind of polytetrafluoroethyldispersion dispersion resin polymerization automation application device Download PDFInfo
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- CN209576622U CN209576622U CN201920085663.6U CN201920085663U CN209576622U CN 209576622 U CN209576622 U CN 209576622U CN 201920085663 U CN201920085663 U CN 201920085663U CN 209576622 U CN209576622 U CN 209576622U
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Abstract
The utility model belongs to chemical equipment technical field, discloses a kind of polytetrafluoroethyldispersion dispersion resin polymerization automation application device, is provided with monomer slot；Monomer slot upper end is connected to by pipeline with monomer absorber, monomer absorber is connected to by monomer strainer with reaction kettle, reaction kettle is connected to by reaction kettle discharging stop valve with dispersion liquid lautertuns, and dispersion liquid lautertuns post-processes pipe network with PTFE by lautertuns discharging stop valve and is connected to.The automation control that the utility model is intended to that PTFE dispersion resin is promoted to polymerize, improve accuracy, precision and the sensitivity of automated production measurement, reduce the random error of manual operation, the application of polymerization automatic technology substitutes original pressure drop and pinches table handling manually, promote the uniformity of molecular weight distribution, the final product quality for promoting PTFE dispersion resin, while reducing labor intensity, enterprise development is driven, the economic benefit of enterprise is improved.
Description
Technical field
The utility model belongs to chemical equipment technical field more particularly to a kind of polymerization of polytetrafluoroethyldispersion dispersion resin is automatic
Change application apparatus.
Background technique
Currently, the prior art commonly used in the trade is such that PTFE dispersion resin because it is with excellent high temperature performance
And chemical stability, it is deep to be liked by national defence and sophisticated technology, and gradually it is pushed into civilian, but each enterprise domestic so far, each list
Position is excessively traditional according to the production technology means of itself process conditions and the market demand, and operating condition is harsh, largely rests on
Manual mode, there is some potential safety problemss in production process.
The dispersion resin production plate of domestic common grade is in Continued trend at present, great scale, but for novel
Up to the present the robot control system(RCS) of a set of comparatively perfect is not yet established in the exploitation of resin, production technology means are excessively changed manually, point
Son amount is unevenly distributed, so that finished product quality and grade emerge one after another, causes product benefit irregular.
Industrial PTFE dispersion resin is mostly manual hand manipulation at present, monomer slot during manual increasing temperature and pressure,
Reaction kettle is reacted in investment tetrafluoroethene simultaneously, and increasing temperature and pressure and reactor feed is caused to be difficult to combine, and is grasped manually
It is difficult to realize accurately control reaction kettle into tetrafluoroethene amount, and there are some potential safety problemss for During manual operation；
Reaction kettle makees pressure drop and only stays in manual batch, manual timing, and manual batch is difficult to accurately reach pressure value needed for reaction kettle, hand
There are certain delay time errors for dynamic timing, influence the accuracy of reactor feed, directly contribute PTFE dispersion resin molecular weight
Be unevenly distributed, be finally difficult to ensure product quality and grade.
In conclusion problem of the existing technology is:
(1) industrial PTFE dispersion resin is mostly manual hand manipulation, and monomer evaporator heats up according to manual operation very
It is easy to cause monomer evaporator temperature control inaccurate, manually random error causes monomer slot discharging hand-operated valve to fail to close in time and arrive
It is thrown so that causing monomer slot pressure continues raised security risk, and PTFE dispersion resin polymerization reaction category reaction under high pressure position
If material and the single consideration of boost operations are manually, stability is low, it is difficult to combine, and there are some potential safety problemss；
(2) manual operation is difficult to realize accurately control reaction kettle into tetrafluoroethene amount, because PTFE dispersion resin polymerize
Reaction belongs to exothermic reaction, and reaction kettle is mostly to pinch table handling manually, and charging, which is difficult to control, causes temperature to be difficult to hold, and causes PTFE points
Being unevenly distributed for resin molecular weight is dissipated, to influence the physical mechanical property of product.
Solve the difficulty of above-mentioned technical problem: the hardware anti-interference ability of existing instrument is weak, and type selecting difficulty is big, and automation is surveyed
Accuracy, precision and the sensitivity of instrument are measured there are also to be hoisted, for example, the PID control of pneumatic operated valve is less sensitive.
Solve the meaning of above-mentioned technical problem: the application of automation has prevented the security risk of site operation personnel, reduces
Labor intensity saves cost of labor, and largely promotes the product quality of PTFE dispersion resin, to improve economic effect
Benefit.
Utility model content
In view of the problems of the existing technology, it is automatic to provide a kind of polytetrafluoroethyldispersion dispersion resin polymerization for the utility model
Change application apparatus.
The utility model is realized in this way a kind of polytetrafluoroethyldispersion dispersion resin polymerization automation application device setting
Have:
Monomer slot；
Monomer slot is connected to by monomer slot Feed Shut-Off valve and the PTFE pipe network that feeds intake, monomer slot Feed Shut-Off valve and monomer slot
The liquidometer of cylinder is electrically connected, i.e., when monomer tank liquor position reaches setting value, cutting charging is automatically closed in monomer slot Feed Shut-Off valve,
To realize the level chain of monomer slot Feed Shut-Off valve with the liquidometer of monomer groove drum body；Monomer slot lower end passes through pipeline successively
It is communicated with monomer slot discharging stop valve, monomer slot discharging regulating valve, monomer evaporator, monomer slot discharging regulating valve and monomer groove drum
The teletransmission pressure transmitter of body is electrically connected, i.e., when monomer slot pressure is close to setting value, monomer slot discharging regulating valve passes through PID control
Automatically big control valve opening is turned down or opens, to realize the teletransmission pressure transmitter of monomer slot discharging regulating valve and monomer groove drum body
Pressure interlocking；
Monomer slot upper end is connected to by pipeline with monomer absorber, and monomer absorber is connected by monomer strainer and reaction kettle
It is logical, it has been sequentially communicated reaction kettle feed flow meter between monomer absorber and monomer strainer, reaction kettle charging regulating valve, has reacted
Kettle Feed Shut-Off valve；
Reaction kettle barrel is communicated with reaction kettle teletransmission pressure transmitter, and reaction kettle teletransmission pressure transmitter and reaction kettle are fed
Regulating valve electrical connection, i.e., when reactor pressure is close to setting value, reaction kettle charging regulating valve is turned down or is opened automatically by PID control
Big control valve opening, thus realize that reaction kettle charging regulating valve is interlocked with the pressure for the teletransmission pressure transmitter for reacting kettle barrel,
Reaction kettle is connected to by reaction kettle discharging stop valve with dispersion liquid lautertuns, and reaction kettle discharging stop valve and dispersion liquid filter groove drum
The liquidometer of body is electrically connected, i.e., when dispersion liquid lautertuns liquid level reaches setting value, cutting is automatically closed in reaction kettle discharging stop valve
Charging, to realize the level chain of the liquidometer of reaction kettle discharging stop valve and dispersion liquid lautertuns cylinder；Dispersion liquid filtering
Slot post-processes pipe network with PTFE by lautertuns discharging stop valve and is connected to.
The automation control that the utility model is intended to that PTFE dispersion resin is promoted to polymerize, polymerization automatic technology substitution are original
Manual increasing temperature and pressure and manual batch in production operation, original hand-operated valve are opened repeatedly in practical increasing temperature and pressure operating process
Close, because reaction raw materials are easy the particularity of autohemagglutination, the clogging after causing hand-operated valve operate repeatedly, and manual operation with
Chance error is poor, causes temperature control is inaccurate to continue raised risk with pressure, and the interlocking of automation is come into operation, and the steady of pressure control temperature control is improved
It is qualitative, valve blockage is reduced, is operated without Field Force, labor intensity is reduced, saves cost of labor；It polymerize automatic technology
Table handling is pinched manually using original pressure drop is substituted, and original reaction and judgement is using pinch table manually and charging manually, manual operation
Delay to a certain extent is had, entirely accurate is unable to and judges reactiveness, coming into operation for automatic gauge and interlocking improves
Accuracy, precision and the sensitivity of measurement, constantly promote the technical performance of automation, make correct reaction
State feedback, holds reaction temperature in time, promotes the uniformity of molecular weight distribution, the final product matter for promoting PTFE dispersion resin
Amount, while labor intensity is reduced, enterprise development is driven, the economic benefit of enterprise is improved.
Further, monomer groove drum body is communicated with monomer slot liquidometer by pipeline, and monomer slot liquidometer and monomer slot are fed
Stop valve electrical connection.
Monomer slot Feed Shut-Off valve is automatically closed after liquid level in monomer slot reaches high limit setting value in the utility model,
The accurate charging measurement problem of monomer slot is effectively solved, and uses PLC control system in monomer slot increasing temperature and pressure process, in DCS
Interface alarms to monomer tank liquor position setting ceiling value, and when monomer slot inlet amount reaches ceiling value, system alarm simultaneously effectively reminds behaviour
Work person, ensure monomer slot because the excessive gas-phase space of manual batch amount it is small caused by security risk largely.
Further, monomer evaporator upper end is connected to by pipeline with monomer slot upper end, and monomer evaporator lower end and upper end are logical
Piping respectively with middle warm water's inlet pipe and middle warm water's return pipe is gone to be connected to, pass through between middle warm water's inlet pipe and monomer evaporator
Flange is fixed with monomer evaporator water inlet stop valve, and monomer evaporator water inlet stop valve is connected to monomer evaporator thermal resistance, single
Evacuator body device thermal resistance is connected to by pipeline with monomer evaporator upper end.
The utility model is when monomer evaporator has Elevated Temperature Conditions, openable monomer evaporator water inlet stop valve, to list
It carries out continuing warm water in supply outside evacuator body device coil pipe to be automatically closed after monomer evaporator temperature reaches requirement setting value
Monomer evaporator temperature is realized in monomer evaporator water inlet stop valve, monomer evaporator temperature and monomer evaporator water inlet stop valve interlocking
The automatic control of degree effectively overcomes and manually opens pump, switches temperature shakiness phenomenon caused by manual inlet valve, influences subsequent list
The boost operations of body.
Further, monomer absorber cylinder is communicated with monomer absorber thermal resistance and monomer absorber teletransmission pressure by pipeline
Power transmitter.
The utility model can effectively judge autohemagglutination feelings in monomer absorber by adding thermal resistance to monomer absorber in time
Condition, and be provided with temperature ceiling value and alarm, it can prejudge in time, ensure safe operation.It is provided with teletransmission pressure transmitter simultaneously, it can
Whether pressure difference increases situation before and after distinguishing monomer absorber, avoids the blocking of monomer absorber from failing effectively to be prejudged, final shadow
Ring product quality.
Further, dispersion liquid lautertuns groove body is communicated with lautertuns liquidometer by pipeline, reaction kettle discharge stop valve with
The electrical connection of lautertuns liquidometer.
The utility model can detect the liquid level in lautertuns by lautertuns liquidometer, and dispersion liquid filters tank liquor
Position realizes the automatic control to dispersion liquid lautertuns liquid level with reaction kettle discharging stop valve interlocking, while discharging in reaction kettle
Process uses PLC control system, alarms at the interface DCS dispersion liquid lautertuns liquid level setting ceiling value, to dispersion liquid lautertuns
After liquid level reaches high limit setting value, robot control system(RCS) makes corresponding police instruction, effectively overcomes dispersion liquid lautertuns flash phenomena,
Realization steadily feeds the automatic safe of dispersion liquid.
Further, it has been bolted silk screen press box inside dispersion liquid lautertuns, has been consolidated on the inside of silk screen press box by bolt
Surely there is double-layer stainless steel silk screen.
The utility model is realized anti-by using finishing polish double-layer stainless steel silk screen sufficiently to filter in dispersion liquid lautertuns
Answer effective interception with demulsification material in the dispersion liquid that water conservancy diversion comes in kettle.
Further, dispersion liquid lautertuns feed pipe uses bottom insert canal form, and feed pipe extend into the bottom of dispersion liquid lautertuns
Portion.
The dispersion liquid of the utility model reaction kettle discharge enters dispersion liquid lautertuns using bottom insert canal form, and dispersion liquid enters slot
Preceding feed pipe is in fluid-tight state, and dispersion liquid is caused to reduce the shock number with cell wall, and dispersion liquid demulsification is greatly reduced.
Detailed description of the invention
Fig. 1 is that polytetrafluoroethyldispersion dispersion resin polymerization automation application apparatus structure provided by the embodiment of the utility model shows
It is intended to；
In figure: 1, monomer slot Feed Shut-Off valve；2, monomer slot liquidometer；3, monomer slot teletransmission pressure transmitter；4, monomer
Absorber；5, monomer absorber thermal resistance；6, monomer absorber teletransmission pressure transmitter；7, reaction kettle feed flow meter；8, anti-
Kettle is answered to feed regulating valve；9, reaction kettle Feed Shut-Off valve；10, monomer slot；11, monomer slot discharging stop valve；12, monomer slot discharges
Regulating valve；13, monomer evaporator thermal resistance；14, monomer evaporator water inlet stop valve；15, monomer evaporator；16, lautertuns goes out
Expect stop valve；17, dispersion liquid lautertuns；18, reaction kettle；19, reaction kettle teletransmission pressure transmitter；20, monomer strainer；21,
PTFE feeds intake pipe network；22, middle warm water's return pipe is removed；23, middle warm water's inlet pipe；24, PTFE is gone to post-process pipe network；25；Reaction kettle
Discharge stop valve；26, lautertuns liquidometer.
Specific embodiment
For the utility model content, feature and effect that can further appreciate that the utility model, the following examples are hereby given, and
It is described in detail with the accompanying drawings as follows.
As shown in Figure 1, polytetrafluoroethyldispersion dispersion resin provided by the embodiment of the utility model polymerize automation application device
It include: monomer slot Feed Shut-Off valve 1, monomer slot liquidometer 2, monomer slot teletransmission pressure transmitter 3, monomer absorber 4, monomer suction
It is adnexa thermal resistance 5, monomer absorber teletransmission pressure transmitter 6, reaction kettle feed flow meter 7, reaction kettle charging regulating valve 8, anti-
Answer kettle Feed Shut-Off valve 9, monomer slot 10, monomer slot discharging stop valve 11, monomer slot discharging regulating valve 12, monomer evaporator thermoelectricity
It is resistance 13, monomer evaporator water inlet stop valve 14, monomer evaporator 15, lautertuns discharging stop valve 16, dispersion liquid lautertuns 17, anti-
Answer kettle 18, reaction kettle teletransmission pressure transmitter 19, monomer strainer 20, PTFE feed intake pipe network 21, go middle warm water's return pipe 22, in
Warm water's inlet pipe 23 goes PTFE to post-process pipe network 24；Reaction kettle discharging stop valve 25, lautertuns liquidometer 26.
Monomer slot 10 is connected to by monomer slot Feed Shut-Off valve 1 and the PTFE pipe network 21 that feeds intake, and 10 lower end of monomer slot passes through pipe
Road has been sequentially communicated monomer slot discharging stop valve 11, monomer slot discharging regulating valve 12, monomer evaporator 15, and the discharging of monomer slot is adjusted
Valve 12 is electrically connected with the monomer slot teletransmission pressure transmitter 3 in 10 outside of monomer slot；It is inhaled by pipeline and monomer 10 upper end of monomer slot
Adnexa 4 is connected to, and monomer absorber 4 is connected to by monomer strainer 20 with reaction kettle 18, monomer absorber and 4 monomer strainers 20
Between be sequentially communicated reaction kettle feed flow meter 7, reaction kettle charging regulating valve 9, reaction kettle Feed Shut-Off valve 8；Reaction kettle 18
Outside is communicated with reaction kettle teletransmission pressure transmitter 19,9 electricity of reaction kettle teletransmission pressure transmitter 19 and reaction kettle charging regulating valve
Connection, reaction kettle 18 are connected to by reaction kettle discharging stop valve 25 with dispersion liquid lautertuns 17, and dispersion liquid lautertuns 17 passed through
Filter pocket discharging stop valve 16 is connected to PTFE post-processing pipe network 24 is removed.
Preferably, being communicated with monomer slot liquidometer 2, monomer slot liquidometer 2 and monomer by pipeline on the outside of monomer slot 10
Slot Feed Shut-Off valve 1 is electrically connected.
Preferably, 15 upper end of monomer evaporator is connected to by pipeline with 10 upper end of monomer slot, 15 lower end of monomer evaporator
With upper end by pipeline respectively with middle warm water's inlet pipe 23 and middle warm water's return pipe 22 is gone to be connected to, middle warm water's inlet pipe 23 and monomer
Monomer evaporator water inlet stop valve 14, monomer evaporator water inlet stop valve 14 and monomer are fixed with by flange between evaporator 15
Evaporator thermal resistance 13 is connected to, and monomer evaporator thermal resistance 13 is connected to by pipeline with 10 upper end of monomer evaporator.
Preferably, it is remote with monomer absorber by pipeline to be communicated with monomer absorber thermal resistance 5 on the outside of monomer absorber 4
Pressure transmission power transmitter 6.
Preferably, being communicated with lautertuns liquidometer 26 by pipeline on the outside of dispersion liquid lautertuns 17, reaction kettle discharging is cut
Disconnected valve 25 is electrically connected with lautertuns liquidometer 26.
Preferably, being bolted silk screen press box inside dispersion liquid lautertuns 17, pass through spiral shell on the inside of silk screen press box
Bolt is fixed with double-layer stainless steel silk screen.
Preferably, 17 feed pipe of dispersion liquid lautertuns uses bottom insert canal form, feed pipe extend into dispersion liquid lautertuns
17 bottom.
When the utility model is used, monomer slot 10 as metering use from slot bottom charging, material feeds intake pipe network from TFE,
Enter monomer slot 10 by monomer slot Feed Shut-Off valve 1, when the display of monomer slot liquidometer 2 reaches setting value, list is automatically closed
Body slot Feed Shut-Off valve 1,10 rewinding of monomer slot are completed；Monomer slot 10 is connected with monomer absorber 4 and monomer evaporator 15 respectively,
Gas phase in material enters monomer absorber 4, and liquid phase enters monomer evaporator 15, and 15 top drilling of monomer evaporator picks out pipe
It is connected at the top of road and monomer slot 10；In monomer slot 10 gas phase through monomer absorber 4 enter monomer strainer 20, then from reaction kettle top
Into reaction kettle 18, reaction kettle bottom discharges to dispersion liquid lautertuns 17.
Feeding system is provided with far transmission level meter 2 on monomer slot 10, open-minded respectively in 10 middle and upper part of monomer slot and bottom
Nozzle uses flanged joint between far transmission level meter 2 and monomer barrel mouth, monomer is provided on the feed pipe of monomer slot middle and lower part
Slot Feed Shut-Off valve 1.
Temperature elevation system is provided with thermal resistance 13 on monomer evaporator 15, and nozzle is opened at the top of monomer evaporator 15, heat
Using being threadedly coupled between resistance 13 and 15 nozzle of monomer evaporator, warm water is passed in and out in 15 side of monomer evaporator is added
Pipe, and monomer evaporator water inlet stop valve 14 is provided on middle warm water's inlet pipe.
Booster system is provided with teletransmission pressure transmitter 3 on monomer slot 10, and nozzle, teletransmission are opened at the top of monomer slot 10
Flanged joint is used between 10 nozzle of pressure transmitter 3 and monomer slot, and monomer slot is provided on 10 bottom discharge pipe of monomer slot
Discharge stop valve 11 and monomer slot discharging regulating valve 12.
Reaction system is provided with teletransmission pressure transmitter 19 on reaction kettle 18, and nozzle, teletransmission are opened at the top of reaction kettle
Flanged joint is used between pressure transmitter 19 and reaction kettle nozzle, and reaction kettle is provided on reaction kettle top feed pipe and is fed
Flowmeter 7, reaction kettle Feed Shut-Off valve 9, reaction kettle feed regulating valve 8.
Reaction system is additionally arranged monomer absorber 4 on 18 feed pipe of reaction kettle, is provided in 4 middle and lower part of monomer absorber
Thermal resistance 5, top is provided with teletransmission pressure transmitter 6, and monomer strainer 20 has been added on reaction kettle feed pipe.
Discharge system main body is the dispersion liquid lautertuns 17 with combination filtering, uses silk screen press box group on the right side of cylinder
It closes finishing polish double-layer stainless steel silk screen to be filtered, 17 feed pipe of dispersion liquid lautertuns uses bottom insert canal form, and in dispersion liquid
It is provided with far transmission level meter at the top of lautertuns 17, reaction kettle discharging stop valve is provided on 17 feed pipe of dispersion liquid lautertuns,
Lautertuns discharging stop valve 16 is provided on 17 bottom discharge pipe of dispersion liquid lautertuns.
Dispersion liquid lautertuns 17 is arranged in the utility model after reaction kettle discharge nozzle, and reaction kettle 18 conveys the dispersion liquid to come
Bottom insert canal form is used into dispersion liquid lautertuns 17, feed pipe is in fluid-tight state before dispersion liquid enters slot, and dispersion liquid is caused to drop
The low shock number with cell wall is greatly reduced dispersion liquid demulsification, is sufficiently filtered in slot using finishing polish double-layer stainless steel silk screen,
Effective interception with demulsification material in the dispersion liquid that water conservancy diversion comes in realization reaction kettle 18.Reaction kettle 18 has discharging condition, can beat
Reaction kettle discharging stop valve 25 is opened reaction kettle is automatically closed and goes out after liquid level in dispersion liquid lautertuns 17 reaches setting level value
Expect stop valve, dispersion liquid lautertuns liquid level 26 and the reaction kettle discharging interlocking of stop valve 25 are realized to 17 liquid level of dispersion liquid lautertuns
It automatically controls, while alarming 17 liquid level of dispersion liquid lautertuns setting ceiling value, reach high limit to 17 liquid level of dispersion liquid lautertuns
After setting value, robot control system(RCS) makes corresponding police instruction, effectively overcomes 17 flash phenomena of dispersion liquid lautertuns, realizes to dispersion
The automatic safe of liquid is steadily fed.
Monomer slot 10 is in feed state, and openable monomer slot Feed Shut-Off valve 1 reaches setting to liquid level in monomer slot 10
After value, monomer slot Feed Shut-Off valve 1 is automatically closed, monomer slot is realized in monomer slot liquidometer 2 and the interlocking of monomer slot Feed Shut-Off valve 1
The automatic control of liquid level effectively solves the accurate charging measurement problem of monomer slot, and alarms monomer tank liquor position setting ceiling value,
When monomer slot inlet amount reaches ceiling value, system alarm simultaneously effectively reminds operator, ensures monomer slot because manual batch amount is excessive
The small security risk caused largely of gas-phase space.
Monomer evaporator 15 has Elevated Temperature Conditions, openable monomer evaporator water inlet stop valve 14, to monomer evaporator 15
It carries out continuing warm water in supply outside coil pipe, after 15 temperature of monomer evaporator reaches requirement setting value, monomer steaming is automatically closed
Device water inlet stop valve 14 is sent out, monomer evaporator temperature is realized in 15 temperature of monomer evaporator and the monomer evaporator water inlet interlocking of stop valve 14
The automatic control of degree effectively overcomes and manually opens pump, switches temperature shakiness phenomenon caused by manual inlet valve, influences subsequent list
The boost operations of body.
Monomer slot 10 has boosting condition, and after 15 temperature of monomer evaporator reaches working condition requirement, openable monomer slot goes out
Expect that stop valve 11 and monomer slot discharge regulating valve 12, after 10 pressure of monomer slot is close to required setup pressure value, turn down automatically or
Open polymeric monomer slot discharging regulating valve 12,10 pressure of monomer slot and monomer slot discharging regulating valve 12 interlocking realize monomer slot pressure from
Dynamic control effectively prevents 10 outlet valve of monomer slot problem in the past unstable using manual operation bring boosting, hand-operated valve operation
Frequently easy autohemagglutination blocking, and certain maintenance safety problem is brought, manual outlet valve is operated not without site operation personnel
But it cost of labor is saved, largely reduces labor intensity, while pressure teletransmission can close observation monomer slot 10
Pressure changing takes necessity solution in time.
Monomer absorber 4 adds thermal resistance 5, autohemagglutination situation in monomer absorber 4 can be effectively judged in time, if there is autohemagglutination
Situation, silica gel has autohemagglutination material in monomer absorber 4, with warming phenomenon, and is provided with temperature ceiling value and alarms, can be pre- in time
Sentence, ensures safe operation.It is provided with teletransmission pressure transmitter 6 simultaneously, can distinguish whether 4 front and back pressure difference of monomer absorber increases feelings
Condition avoids the blocking of monomer absorber 4 from failing effectively to be prejudged, makes corresponding measure in time, finally influence product quality.
Reaction kettle 18 reacts early period, and openable reaction kettle Feed Shut-Off valve 7, reaction kettle feed regulating valve 9, to reaction kettle 18
Carry out dosing operation, after 18 pressure of reaction kettle reaches setting value, be automatically closed reaction kettle charging regulating valve 9, reaction start into
Enter to make pressure drop state, reach in operating condition time range to pressure drop, automatically turns on reaction kettle and feed regulating valve 9, to reactor pressure
After reaching setting value again, automatic program automatically switches to the stage of reaction, and the charging of automatic open close reaction kettle is adjusted in reaction process
Valve 9 maintains reaction pressure setting value, while adding reaction pressure high limit alarming value, reminds reactor pressure situation in time, prevents
Reaction kettle superpressure phenomenon ensures equipment and the safety of personnel.It is boosted by monomer slot 10 and its can be incited somebody to action with 18 pressure difference of reaction kettle
Monomer is effectively delivered to reaction kettle 18, and monomer slot 10 boosts simultaneously, and reaction kettle 18 meets duty requirements while feeding intake, and effectively solves
It boosts and feeds intake when manual operation and be difficult to the drawbacks of taking into account, and be provided with reaction kettle feed flow meter on 18 feed pipe of reaction kettle
8, realization accurately controls reaction kettle 18 into tetrafluoroethene amount.
Original monomer slot mostly manually feeds intake, manual voltage boosting, and there are certain safety is hidden for the manual operation of hand-operated valve
Suffer from, reaction kettle is mostly to pinch table manually to control pressure drop, and there are certain manual operation random error, the utility model provides a kind of poly-
Tetrafluoroethene dispersion resin polymerize automation application device, can effectively solve the drawback of manual operation temperature control shakiness, promotes product
The uniformity of molecular weight distribution, final Improving The Quality of Products, the setting of automation reduce manual operation intensity, cost efficiency,
The reliability and security of execute-in-place is improved simultaneously.
The above is only the preferred embodiment to the utility model, is not made in any form to the utility model
Limitation, it is all according to the technical essence of the utility model any simple modification made to the above embodiment, equivalent variations with
Modification, is all within the scope of the technical scheme of the utility model.
Claims (7)
1. a kind of polytetrafluoroethyldispersion dispersion resin polymerize automation application device, which is characterized in that the polytetrafluoroethylene (PTFE) dispersion
Resin polymerization automation application device is provided with
Monomer slot；
Monomer slot is connected to by monomer slot Feed Shut-Off valve and the PTFE pipe network that feeds intake, and monomer slot lower end has been sequentially communicated by pipeline
Monomer slot discharging stop valve, monomer slot discharging regulating valve, monomer evaporator, monomer slot discharging regulating valve and the list on the outside of monomer slot
The electrical connection of body slot teletransmission pressure transmitter；
Monomer slot upper end is connected to by pipeline with monomer absorber, and monomer absorber is connected to by monomer strainer with reaction kettle,
Reaction kettle feed flow meter, reaction kettle charging regulating valve, reaction kettle have been sequentially communicated between monomer absorber and monomer strainer
Feed Shut-Off valve；
Reaction kettle teletransmission pressure transmitter is communicated on the outside of reaction kettle, reaction kettle teletransmission pressure transmitter and reaction kettle charging are adjusted
Valve electrical connection, reaction kettle are connected to by reaction kettle discharging stop valve with dispersion liquid lautertuns, and dispersion liquid lautertuns passes through lautertuns
Discharging stop valve is connected to PTFE post-processing pipe network.
2. polytetrafluoroethyldispersion dispersion resin as described in claim 1 polymerize automation application device, which is characterized in that monomer groove drum
Body is communicated with monomer slot liquidometer by pipeline, and monomer slot liquidometer is electrically connected with monomer slot Feed Shut-Off valve.
3. polytetrafluoroethyldispersion dispersion resin as described in claim 1 polymerize automation application device, which is characterized in that monomer evaporation
Device upper end is connected to by pipeline with monomer slot upper end, monomer evaporator lower end and upper end pass through pipeline respectively with middle warm water's inlet pipe
With go middle warm water's return pipe to be connected to, between middle warm water's inlet pipe and monomer evaporator by flange be fixed with monomer evaporator water inlet
Stop valve, monomer evaporator water inlet stop valve be connected to monomer evaporator thermal resistance, monomer evaporator thermal resistance pass through pipeline and
The connection of monomer evaporator upper end.
4. polytetrafluoroethyldispersion dispersion resin as described in claim 1 polymerize automation application device, which is characterized in that monomer absorption
Device cylinder is communicated with monomer absorber thermal resistance and monomer absorber teletransmission pressure transmitter by pipeline.
5. polytetrafluoroethyldispersion dispersion resin as described in claim 1 polymerize automation application device, which is characterized in that dispersion liquid mistake
Filter pocket groove body is communicated with lautertuns liquidometer by pipeline, and reaction kettle discharging stop valve is electrically connected with lautertuns liquidometer.
6. polytetrafluoroethyldispersion dispersion resin as described in claim 1 polymerize automation application device, which is characterized in that dispersion liquid mistake
It has been bolted silk screen press box inside filter pocket, has been bolted double-layer stainless steel silk screen on the inside of silk screen press box.
7. polytetrafluoroethyldispersion dispersion resin as described in claim 1 polymerize automation application device, which is characterized in that dispersion liquid mistake
Filter pocket feed pipe uses bottom insert canal form, and feed pipe extend into the bottom of dispersion liquid lautertuns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920085663.6U CN209576622U (en) | 2019-01-18 | 2019-01-18 | A kind of polytetrafluoroethyldispersion dispersion resin polymerization automation application device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920085663.6U CN209576622U (en) | 2019-01-18 | 2019-01-18 | A kind of polytetrafluoroethyldispersion dispersion resin polymerization automation application device |
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| CN209576622U true CN209576622U (en) | 2019-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675499A (en) * | 2019-01-18 | 2019-04-26 | 福建三农新材料有限责任公司 | A kind of polytetrafluoroethyldispersion dispersion resin polymerization automation application device |
-
2019
- 2019-01-18 CN CN201920085663.6U patent/CN209576622U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675499A (en) * | 2019-01-18 | 2019-04-26 | 福建三农新材料有限责任公司 | A kind of polytetrafluoroethyldispersion dispersion resin polymerization automation application device |
| CN109675499B (en) * | 2019-01-18 | 2024-05-17 | 福建三农新材料有限责任公司 | Polytetrafluoroethylene dispersion resin polymerization automation application device |
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Denomination of utility model: An automated application device for polytetrafluoroethylene dispersed resin polymerization Effective date of registration: 20230925 Granted publication date: 20191105 Pledgee: Industrial and Commercial Bank of China Limited Sanming Sanyuan Branch Pledgor: FUJIAN SANNONG NEW MATERIALS CO.,LTD. Registration number: Y2023980058306 |
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