CN208621921U - Paste production of resins safety instrumented systems - Google Patents
Paste production of resins safety instrumented systems Download PDFInfo
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- CN208621921U CN208621921U CN201821367688.7U CN201821367688U CN208621921U CN 208621921 U CN208621921 U CN 208621921U CN 201821367688 U CN201821367688 U CN 201821367688U CN 208621921 U CN208621921 U CN 208621921U
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Abstract
The utility model provides a kind of paste production of resins safety instrumented systems, it is related to pasting production of resins technical field, including polymeric kettle, condenser, feeding line group, collet circulating water inlet line, condenser circulating water inlet line, condenser recirculated water return piping, pressure transmitter, logic controller and multiple control valves；Feeding line group includes at least one feeding line, is connect with polymeric kettle；Collet is equipped with outside polymeric kettle, collet circulating water inlet line is connect with collet；Condenser is connect with polymeric kettle, and condenser circulating water inlet line connects condenser and collet；Condenser is connect with condenser recirculated water return piping；Pressure transmitter is connect with logic controller signal；Control valve is connect with logic controller signal；Pressure information control controls valve events in the polymeric kettle that logic controller is acquired according to pressure transmitter；Hypertonia is avoided to the impact failure of polymeric kettle, eliminates a possibility that serious personnel's property loss is caused due to runaway reaction.
Description
Technical field
The utility model relates to paste production of resins technical field, more particularly, to a kind of paste production of resins safety instrument system
System.
Background technique
It is that hot deionized water is added in clean polymeric kettle that seed emulsion polymerization, which pastes resin manufacturing processes, under agitation
Activator, PH regulator and seed latex is added, after polymeric kettle vacuumizes, continuous chlorination ethylene (VCM) into polymeric kettle, to poly-
When closing temperature in the kettle close to polymerization temperature, start continuously to add catalyst (oxidant) to polymeric kettle, polymerization reaction starts.Reaction heat
It is removed from jacket of polymerization and kettle top condenser by recirculated cooling water, and it is constant to control temperature in the kettle.When accumulation heat reaches one
When definite value, start to be pumped from emulsifier to be continuously added to emulsifier into polymeric kettle, stop when VCM adds to VCM regulation total amount to poly-
It closes and adds VCM in kettle, the reaction was continued until hot rise phenomenon occurs.Determine that reaction terminates, stops adding catalyst (oxidation to polymeric kettle
Agent) and emulsifier, it is then pumped from rear mixture and the rear mixture measured and residual emulsifier is added into kettle, and prepare discharging behaviour
Make.
In above-mentioned production process, polymerization reaction is exothermic reaction, the most dangerous, in runaway reaction, temperature in the kettle meeting
It increases rapidly, reaction speed is accelerated, and pressure increases in system, easily causes vessel breaks, and high-pressure material sprays, and fire explosion occurs
Accident causes biggish safety accident.
The information disclosed in the background technology section is intended only to deepen the reason to the general background technology of the utility model
Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of paste production of resins safety instrumented systems, when occurring in reaction process
Abnormal, without artificial judgement, safety instrumented systems can timely be made at the first time according to the real-time detection of pressure state etc.
Correct response, make react constantly be in controllable state, avoid impact and damage of the hypertonia to reaction vessel, disappear simultaneously
A possibility that property loss in addition to causing serious personnel due to runaway reaction.
To achieve the above object, the utility model the following technical schemes are provided:
The utility model provides a kind of paste production of resins safety instrumented systems, comprising: polymeric kettle, condenser, feed pipe
Line group, collet circulating water inlet line, condenser circulating water inlet line, condenser recirculated water return piping and pressure adjust dress
It sets；
The feeding line group includes at least one feeding line, and is connect with the polymeric kettle；
The collet for adjusting the polymerization temperature in the kettle, the collet circulating water inlet are equipped with outside the polymeric kettle
Line is connect with the collet；
The condenser is connect with the polymeric kettle, and condenser circulation is connected between the condenser and the collet
Water back with water inlet line；The condenser is connect with the condenser recirculated water return piping；
The pressure-regulating device includes pressure transmitter, logic controller and multiple control valves；The pressure transmitter
It connect with the polymeric kettle and is connect with the logic controller signal；Multiple control valves are respectively arranged in the feed pipe
Line, the collet circulating water inlet line, the condenser circulating water inlet line and the condenser recirculated water return pipe
On line, and it is connect with the logic controller signal；
The logic controller is according to the pressure information control in the polymeric kettle that the pressure transmitter acquires
Valve events are controlled, are more than preset value to prevent the pressure in the polymeric kettle.
Further, the feeding line group includes equal vinyl chloride feeding line, the catalyst connecting with the polymeric kettle
Feeding line and emulsifier feeding line；
The vinyl chloride feeding line is equipped with the first control valve, first control valve and the logic controller signal
Connection；
The catalyst feed line is equipped with the second control valve, second control valve and the logic controller signal
Connection；
The emulsifier feeding line is equipped with third control valve, the third control valve and the logic controller signal
Connection.
Further, the collet circulating water inlet line be equipped with the 4th control valve, the 4th control valve with it is described
The connection of logic controller signal；
The condenser circulating water inlet line is equipped with the 5th control valve, the 5th control valve and the logic control
The connection of device signal；
The condenser recirculated water return piping is equipped with the 6th control valve, the 6th control valve and the logic control
The connection of device signal.
Further, the paste production of resins safety instrumented systems further include that the terminator connecting with the polymeric kettle adds
Enter pipeline, the terminator is added pipeline and is equipped with the 7th control valve, the 7th control valve and the logic controller signal
Connection.
Further, the paste production of resins safety instrumented systems further include that pipeline is added with the terminator to connect
Terminator feed pot；The terminator feed pot is connected to the condenser by gas-liquid equilibrium pipeline, the gas-liquid equilibrium pipe
Line is equipped with the 8th control valve, and the 8th control valve is connect with the logic controller signal.
Further, the polymeric kettle is connected with agitating device, and the agitating device includes stirring motor and is located at described
Mixing component in polymeric kettle；Motor fault warning device, the motor fault warning device and institute are connected on the stirring motor
The connection of logic controller signal is stated, for monitoring whether the stirring motor works normally, when the stirring motor breaks down
When, the motor fault warning device alarm.
Further, the polymeric kettle is connected with temperature detecting element, the temperature detecting element and the logic control
The connection of device signal.
Further, the paste production of resins safety instrumented systems further include station, and the station is equipped with tight
Anxious stop button, the emergency stop push button are connect with the logic controller signal.
Further, the paste production of resins safety instrumented systems further include alarm, and the alarm is patrolled with described
Collect controller signals connection.
Further, the first remote control liquid flowmeter, first remote control liquid flowmeter are additionally provided on the vinyl chloride feeding line
It is connect with the logic controller signal；
Alternatively, the second remote control liquid flowmeter is additionally provided in the catalyst feed line, second remote control liquid flowmeter and institute
State the connection of logic controller signal；
Alternatively, third remote control liquid flowmeter is additionally provided on the emulsifier feeding line, the third remote control liquid flowmeter and institute
State the connection of logic controller signal；
Alternatively, the 4th remote control liquid flowmeter is additionally provided on the collet circulating water inlet line, the 4th remote control liquid flowmeter
It is connect with the logic controller signal.
Paste production of resins provided by the utility model is had the advantages that with safety instrumented systems
The utility model provides a kind of paste production of resins safety instrumented systems, comprising: polymeric kettle, condenser, feed pipe
Line group, collet circulating water inlet line, condenser circulating water inlet line, condenser recirculated water return piping and pressure adjust dress
It sets；Feeding line group includes at least one feeding line, and is connect with polymeric kettle；It is equipped with outside polymeric kettle for adjusting polymerization
The collet of temperature in the kettle, collet circulating water inlet line are connect with collet；Condenser is connect with polymeric kettle, and condenser and collet
Between be connected with condenser circulating water inlet line；Condenser is connect with condenser recirculated water return piping；Pressure-regulating device
Including pressure transmitter, logic controller and multiple control valves；Pressure transmitter connect with polymeric kettle and believes with logic controller
Number connection；Multiple control valves be respectively arranged in feeding line, collet circulating water inlet line, condenser circulating water inlet line with
And on condenser recirculated water return piping, and it is connect with logic controller signal；Logic controller is adopted according to pressure transmitter
Pressure information control control valve events in the polymeric kettle of collection, are more than preset value to prevent the pressure in polymeric kettle.
Origin operation process is that the temperature and pressure in polymerization process, in polymeric kettle increases (i.e. runaway reaction) extremely
When, the variation of temperature and pressure in polymeric kettle is observed by Field Force to decide whether that fully open jacket of polymerization is cooling
Water, and whether terminator is added.This method works as personnel, and there are maloperations, and when detection instrument and actuator failure,
It will appear substantial risk accident.The paste production of resins safety instrumented systems provided using the embodiments of the present invention, it is right
Key detection instrument, logic controller and executing agency are using the safety instrument for having SIL to authenticate, and SIL higher grade, safety instrument
The probability of disabler is lower.Pressure information in collected polymeric kettle is sent to logic controller by pressure transmitter, when
When polymeric kettle pressure is higher than preset value, logic controller closes the control valve in feeding line group, by collet circulating water inlet
Control valve on line is opened to standard-sized sheet, and the control valve on condenser circulating water inlet line is opened to standard-sized sheet, condenser is opened
Control valve on recirculated water return piping.Using the safety instrumented systems (SIS system) of a set of paste resin polymerization device, reacting
System occur superpressure in the case where, by safety instrumented systems to respective valves carry out switch interlock, secure parking, make entirely be
System is in safely controllable state.
By a series of this interlocking, abnormal when occurring in reaction process, without artificial judgement, safety instrumented systems can root
According to the real-time detection of pressure state etc., timely make correct response at the first time, make to react constantly be in controllable state, keep away
Impact and damage of the hypertonia to reaction vessel are exempted from, while having eliminated since runaway reaction causes the property of serious personnel
A possibility that loss.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of paste production of resins safety instrumented systems provided by the embodiment of the utility model；
Fig. 2 is the control principle drawing in paste production of resins safety instrumented systems provided by the embodiment of the utility model.
Icon: 1- polymeric kettle；2- condenser；3- vinyl chloride feeding line；4- catalyst feed line；The charging of 5- emulsifier
Pipeline；6- collet circulating water inlet line；7- condenser circulating water inlet line；8- condenser recirculated water return piping；9- folder
Set；10- pressure transmitter；11- logic controller；The first control valve of 12-；The second control valve of 13-；14- third control valve；15-
4th control valve；The 5th control valve of 16-；The 6th control valve of 17-；Pipeline is added in 18- terminator；The 7th control valve of 19-；20- is whole
Only agent feed pot；21- gas-liquid equilibrium pipeline；The 8th control valve of 22-；23- stirring motor；24- mixing component；25- electrical fault
Alarm；26- temperature detecting element；27- emergency stop push button；28- alarm；The first remote control liquid flowmeter of 29-；30- second is remote
Spread meter；31- third remote control liquid flowmeter；The 4th remote control liquid flowmeter of 32-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
Referring to Fig.1 and 2, below in conjunction with attached drawing to paste production of resins safety provided by the embodiment of the utility model
Instrument system elaborates.
The embodiments of the present invention provide a kind of paste production of resins safety instrumented systems, comprising: polymeric kettle 1, cold
Condenser 2, feeding line group, collet circulating water inlet line 6, condenser circulating water inlet line 7, condenser recirculated water return pipe
Line 8 and pressure-regulating device；
Feeding line group includes at least one feeding line, and is connect with polymeric kettle 1；
The collet 9 for adjusting temperature in polymeric kettle 1, collet circulating water inlet line 6 and collet are equipped with outside polymeric kettle 1
9 connections；
Condenser 2 is connect with polymeric kettle 1, and condenser circulating water inlet line 7 is connected between condenser 2 and collet 9；
Condenser 2 is connect with condenser recirculated water return piping 8；
Pressure-regulating device includes pressure transmitter 10, logic controller 11 and multiple control valves；Pressure transmitter 10 with
Polymeric kettle 1 is connected and is connect with 11 signal of logic controller；Multiple control valves be respectively arranged in feeding line, collet recirculated water into
On water pipeline 6, condenser circulating water inlet line 7 and condenser recirculated water return piping 8, and believe with logic controller 11
Number connection；
Pressure information control in the polymeric kettle 1 that logic controller 11 is acquired according to pressure transmitter 10 controls valve events,
It is more than preset value to prevent the pressure in polymeric kettle 1.
It should be noted that origin operation process is the temperature and pressure liter extremely in polymerization process, in polymeric kettle 1
When high (i.e. runaway reaction), the variation for observing temperature and pressure in polymeric kettle 1 by Field Force is fully open to decide whether
1 collet of polymeric kettle, 9 cooling water, and whether terminator is added.This method works as personnel, and there are maloperations, and detect instrument and hold
When row device breaks down, it will appear substantial risk accident.It is used using the paste production of resins that the embodiments of the present invention provide
Safety instrumented systems, to crucial detection instrument, logic controller 11 and executing agency using the safety instrument for thering is SIL to authenticate, SIL
Higher grade, and the probability of safety instrument disabler is lower.Pressure transmitter 10 is by the pressure information in collected polymeric kettle 1
It is sent to logic controller 11, when 1 pressure of polymeric kettle is higher than preset value, logic controller 11 closes the control in feeding line group
Valve processed opens the control valve on collet circulating water inlet line 6 to standard-sized sheet, by the control on condenser circulating water inlet line 7
Valve processed is opened to standard-sized sheet, and the control valve on condenser recirculated water return piping 8 is opened.Using the peace of a set of paste resin polymerization device
Full instrument system (SIS system) carries out respective valves by safety instrumented systems in the case where superpressure occurs for reaction system
Switch interlock, secure parking make whole system be in safely controllable state.
By a series of this interlocking, abnormal when occurring in reaction process, without artificial judgement, safety instrumented systems can root
According to the real-time detection of pressure state etc., timely make correct response at the first time, make to react constantly be in controllable state, keep away
Impact and damage of the hypertonia to reaction vessel are exempted from, while having eliminated since runaway reaction causes the property of serious personnel
A possibility that loss.
In the optional scheme of the present embodiment, further, feeding line group includes the vinyl chloride connecting with polymeric kettle 1
Feeding line 3, catalyst feed line 4 and emulsifier feeding line 5；
Vinyl chloride feeding line 3 is equipped with the first control valve 12, and the first control valve 12 is connect with 11 signal of logic controller；
Catalyst feed line 4 is equipped with the second control valve 13, and the second control valve 13 is connect with 11 signal of logic controller；
Emulsifier feeding line 5 is equipped with third control valve 14, and third control valve 14 is connect with 11 signal of logic controller.
In the optional scheme of the present embodiment, further, collet circulating water inlet line 6 is equipped with the 4th control valve
15, the 4th control valve 15 is connect with 11 signal of logic controller；
Condenser circulating water inlet line 7 is equipped with the 5th control valve 16, and the 5th control valve 16 is believed with logic controller 11
Number connection；
Condenser recirculated water return piping 8 is equipped with the 6th control valve 17, and the 6th control valve 17 is believed with logic controller 11
Number connection.
In the optional scheme of the present embodiment, further, paste production of resins safety instrumented systems further include and polymerize
Kettle 1 connect terminator be added pipeline 18, terminator be added pipeline 18 be equipped with the 7th control valve 19, the 7th control valve 19 with patrol
Collect the connection of 11 signal of controller.
In the optional scheme of the present embodiment, further, paste production of resins safety instrumented systems further include and terminate
The terminator feed pot 20 that pipeline 18 connects is added in agent；Terminator feed pot 20 and condenser 2 are connected by gas-liquid equilibrium pipeline 21
Logical, gas-liquid equilibrium pipeline 21 is equipped with the 8th control valve 22, and the 8th control valve 22 is connect with 11 signal of logic controller.
In at least one embodiment, control valve can with but be not limited only to as pneumatic control valve.Such as: the first control valve
12, the second control valve 13 and third control valve 14 are pneumatic cut-off valve；4th control valve 15 and the 5th control valve 16 are pneumatic adjust
Save valve；6th control valve 17, the 7th control valve 19 and the 8th control valve 22 are pneumatic cut-off valve.
In the optional scheme of the present embodiment, further, polymeric kettle 1 is connected with agitating device, and agitating device includes stirring
Mix motor 23 and the mixing component 24 in polymeric kettle 1；Motor fault warning device 25, motor event are connected on stirring motor 23
Barrier alarm 25 is connect with 11 signal of logic controller, for monitoring whether stirring motor 23 works normally, when stirring motor 23
When breaking down, motor fault warning device 25 is alarmed.
In the optional scheme of the present embodiment, further, polymeric kettle 1 is connected with temperature detecting element 26, temperature detection
Element 26 is connect with 11 signal of logic controller.
In the optional scheme of the present embodiment, further, paste production of resins safety instrumented systems further include station,
Station is equipped with emergency stop push button 27, and emergency stop push button 27 is connect with 11 signal of logic controller.
In the optional scheme of the present embodiment, further, paste production of resins safety instrumented systems further include alarm
28, alarm 28 is connect with 11 signal of logic controller.
In the optional scheme of the present embodiment, further, the first remote control liquid flowmeter is additionally provided on vinyl chloride feeding line 3
29, the first remote control liquid flowmeter 29 is connect with 11 signal of logic controller；
Alternatively, the second remote control liquid flowmeter 30 is additionally provided in catalyst feed line 4, the second remote control liquid flowmeter 30 and logic control
11 signal of device connection processed；
Alternatively, third remote control liquid flowmeter 31 is additionally provided on emulsifier feeding line 5, third remote control liquid flowmeter 31 and logic control
11 signal of device connection processed；
Alternatively, be additionally provided with the 4th remote control liquid flowmeter 32 on collet circulating water inlet line 6, the 4th remote control liquid flowmeter 32 with patrol
Collect the connection of 11 signal of controller.
In at least one embodiment, remote control liquid flowmeter detects the fluid flow information on each pipeline respectively, and should
Fluid flow information is sent to logic controller 11, and logic controller 11 is analyzed in real time, when reaching early warning value, controls alarm 28
Alarm.
Below with reference to specific operating condition, the utility model is described in further detail:
1, when pressure transmitter 10 detects that pressure is more than or equal to 0.95MPa in polymeric kettle 1, SIS system acting: logic
Controller 11 controls alarm 28 and alarms, and closes the pneumatic cut-off valve on vinyl chloride feeding line 3, closes catalyst charge pipe
Pneumatic cut-off valve on line 4 closes the pneumatic cut-off valve on emulsifier feeding line 5, will be on collet circulating water inlet line 6
Pneumatic control valve is opened to standard-sized sheet, by the pneumatic control valve on the condenser circulating water inlet line 7 of 1 kettle top of polymeric kettle open to
Standard-sized sheet opens the pneumatic cut-off valve on the condenser recirculated water return piping 8 of 1 kettle top of polymeric kettle, terminator will not be added i.e.: no
Open the gas-liquid equilibrium pipeline that terminator is added between pneumatic cut-off valve and polymeric kettle 1 and terminator feed pot 20 on pipeline 18
Pneumatic cut-off valve on 21.
2, when pressure transmitter 10 detects that 1 pressure of polymeric kettle is more than or equal to 1.05MPa, SIS system acting: logic control
Device 11 processed controls alert device alarm, and closes the pneumatic cut-off valve on vinyl chloride feeding line 3, closes in catalyst feed line 4
Pneumatic cut-off valve, close emulsifier feeding line 5 on pneumatic cut-off valve, will be pneumatic on collet circulating water inlet line 6
Regulating valve is opened to standard-sized sheet, and the pneumatic control valve on condenser circulating water inlet line 7 is opened to standard-sized sheet, is opened condenser and is followed
Pneumatic cut-off valve on ring water return piping 8, while being automatically added to terminator, it may be assumed that open the gas that terminator is added on pipeline 18
Pneumatic cut-off valve on dynamic stop valve and gas-liquid equilibrium pipeline 21.
3, when 1 23 failure of stirring motor of polymeric kettle, SIS system acting: motor fault warning device 25 is alarmed, and closes vinyl chloride
Pneumatic cut-off valve on feeding line 3 closes the pneumatic cut-off valve in catalyst feed line 4, closes emulsifier feeding line 5
On pneumatic cut-off valve, the pneumatic control valve on collet circulating water inlet line 6 is opened to standard-sized sheet, by condenser recirculated water into
Pneumatic control valve on water pipeline 7 is opened to standard-sized sheet, and the pneumatic cut-off valve on condenser recirculated water return piping 8 is opened, will not
Terminator is added, it may be assumed that do not open pneumatically cutting on the pneumatic cut-off valve and gas-liquid equilibrium pipeline 21 that terminator is added on pipeline 18
Disconnected valve.
4, (emergency stop push button 27 i.e. on control room auxiliary operation platform is pressed) is stopped in emergency in manual confirmation needs
When, if pressure transmitter 10 detects that 1 pressure of polymeric kettle is less than 0.95MPa at this time, SIS system acting: logic controller 11
It controls alarm 28 to alarm, and closes the pneumatic cut-off valve on vinyl chloride feeding line 3, close in catalyst feed line 4
Pneumatic cut-off valve closes the pneumatic cut-off valve on emulsifier feeding line 5, by the pneumatic tune on collet circulating water inlet line 6
Section valve is opened to standard-sized sheet, and the pneumatic control valve on condenser circulating water inlet line 7 is opened to standard-sized sheet, opens condenser circulation
Pneumatic cut-off valve on water return piping 8, will not be added terminator, it may be assumed that do not open terminator and pneumatically cutting on pipeline 18 is added
Pneumatic cut-off valve on disconnected valve and gas-liquid equilibrium pipeline 21.If pressure transmitter 10 detects that 1 pressure of polymeric kettle is greater than at this time
When 0.95MPa, SIS system acting: logic controller 11 controls alarm 28 and alarms, and closes on vinyl chloride feeding line 3
Pneumatic cut-off valve, close catalyst feed line 4 on pneumatic cut-off valve, close emulsifier feeding line 5 on pneumatically cutting
Disconnected valve, the pneumatic control valve on collet circulating water inlet line 6 is opened to standard-sized sheet, will be on condenser circulating water inlet line 7
Pneumatic control valve open to standard-sized sheet, open the pneumatic cut-off valve on condenser recirculated water return piping 8, while being automatically added to end
Only agent, it may be assumed that open the pneumatic cut-off valve that terminator is added on pneumatic cut-off valve and gas-liquid equilibrium pipeline 21 on pipeline 18.
5, since the polymerization reaction of paste resin polymerization kettle 1 finally can all be embodied in polymeric kettle 1 when there is abnormal reaction
In pressure, therefore, when temperature detecting element 26 detects that 1 temperature of polymeric kettle is detected greater than 85 DEG C, the first remote control liquid flowmeter 29
Vinyl chloride charging integrated flux is high, the second remote control liquid flowmeter 30 detects catalyst charge integrated flux height, third teletransmission flow
Meter 31 detects that emulsifier charging integrated flux is high and the 4th remote control liquid flowmeter 32 detects the instantaneous stream of 9 recirculated water of collet water inlet
Measure low, when reaching alarming value, SIS system is only alarmed, and related valve can't act.
Polymeric kettle 1 has the reason of temperature and pressure increases (i.e. runaway reaction) extremely during the reaction: 1. polymerization reaction
In the process, the heat of release cannot remove in time；2. 1 stirring motor of polymeric kettle, 23 failure；3. raw material additional amount excessively causes to gather
It is insufficient to close 1 remaining space of kettle, causes kettle to press through height in polymerization reaction.By a series of this interlocking, when occurring in reaction process
It is abnormal, without artificial judgement, safety instrumented systems can according to the real-time detection of temperature, pressure, flow, motor status etc., the
One time timely made correct response, make react constantly be in controllable state, it is excessively high to reaction to avoid pressure and temperature
The impact and damage of container, also eliminate the need for a possibility that property loss of serious personnel is caused due to runaway reaction.
The paste production of resins of the utility model is illustrated with safety instrumented systems above, still, the utility model
Be not limited to above-mentioned specific embodiment, without departing from the scope of the claims, can carry out various deformations or
Change.The various modifications and change that the utility model is included within the scope of the claims.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although utility model is described in detail referring to foregoing embodiments, those skilled in the art should be managed
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of skills
Art feature is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (10)
1. a kind of paste production of resins safety instrumented systems characterized by comprising polymeric kettle, condenser, feeding line group,
Collet circulating water inlet line, condenser circulating water inlet line, condenser recirculated water return piping and pressure-regulating device；
The feeding line group includes at least one feeding line, and is connect with the polymeric kettle；
Be equipped with the collet for adjusting the polymerization temperature in the kettle outside the polymeric kettle, the collet circulating water inlet line with
The collet connection；
The condenser is connect with the polymeric kettle, and be connected between the condenser and the collet condenser recirculated water into
Water pipeline；The condenser is connect with the condenser recirculated water return piping；
The pressure-regulating device includes pressure transmitter, logic controller and multiple control valves；The pressure transmitter and institute
It states polymeric kettle connection and is connect with the logic controller signal；Multiple control valves be respectively arranged in the feeding line,
The collet circulating water inlet line, the condenser circulating water inlet line and the condenser recirculated water return piping
On, and connect with the logic controller signal；
The pressure information in the polymeric kettle that the logic controller is acquired according to the pressure transmitter controls the control
Valve events are more than preset value to prevent the pressure in the polymeric kettle.
2. paste production of resins safety instrumented systems according to claim 1, which is characterized in that the feeding line group packet
Include the equal vinyl chloride feeding line connecting with the polymeric kettle, catalyst feed line and emulsifier feeding line；
The vinyl chloride feeding line is equipped with the first control valve, and first control valve and the logic controller signal connect
It connects；
The catalyst feed line is equipped with the second control valve, and second control valve and the logic controller signal connect
It connects；
The emulsifier feeding line is equipped with third control valve, and the third control valve and the logic controller signal connect
It connects.
3. paste production of resins safety instrumented systems according to claim 1, which is characterized in that the collet recirculated water into
Water pipeline is equipped with the 4th control valve, and the 4th control valve is connect with the logic controller signal；
The condenser circulating water inlet line is equipped with the 5th control valve, and the 5th control valve and the logic controller are believed
Number connection；
The condenser recirculated water return piping is equipped with the 6th control valve, and the 6th control valve and the logic controller are believed
Number connection.
4. paste production of resins safety instrumented systems according to claim 1, which is characterized in that the paste production of resins is used
Safety instrumented systems further include that the terminator that connect with the polymeric kettle is added pipeline, and the terminator is added pipeline and is equipped with the
Seven control valves, the 7th control valve are connect with the logic controller signal.
5. paste production of resins safety instrumented systems according to claim 4, which is characterized in that the paste production of resins is used
Safety instrumented systems further include that the terminator feed pot that pipeline is connect is added with the terminator；The terminator feed pot and institute
It states condenser to be connected to by gas-liquid equilibrium pipeline, the gas-liquid equilibrium pipeline is equipped with the 8th control valve, the 8th control valve
It is connect with the logic controller signal.
6. paste production of resins safety instrumented systems according to claim 1, which is characterized in that the polymeric kettle is connected with
Agitating device, the agitating device include stirring motor and the mixing component in the polymeric kettle；On the stirring motor
It is connected with motor fault warning device, the motor fault warning device is connect with the logic controller signal, described for monitoring
Whether stirring motor works normally, when the stirring motor breaks down, the motor fault warning device alarm.
7. paste production of resins safety instrumented systems according to claim 1, which is characterized in that the polymeric kettle is connected with
Temperature detecting element, the temperature detecting element are connect with the logic controller signal.
8. paste production of resins safety instrumented systems according to claim 1, which is characterized in that the paste production of resins is used
Safety instrumented systems further include station, the station be equipped with emergency stop push button, the emergency stop push button with it is described
The connection of logic controller signal.
9. paste production of resins safety instrumented systems according to claim 1, which is characterized in that the paste production of resins is used
Safety instrumented systems further include alarm, and the alarm is connect with the logic controller signal.
10. paste production of resins safety instrumented systems according to claim 2, which is characterized in that the vinyl chloride charging
The first remote control liquid flowmeter is additionally provided on pipeline, first remote control liquid flowmeter is connect with the logic controller signal；
Alternatively, being additionally provided with the second remote control liquid flowmeter in the catalyst feed line, second remote control liquid flowmeter is patrolled with described
Collect controller signals connection；
Alternatively, being additionally provided with third remote control liquid flowmeter on the emulsifier feeding line, the third remote control liquid flowmeter is patrolled with described
Collect controller signals connection；
Alternatively, the 4th remote control liquid flowmeter is additionally provided on the collet circulating water inlet line, the 4th remote control liquid flowmeter and institute
State the connection of logic controller signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821367688.7U CN208621921U (en) | 2018-08-22 | 2018-08-22 | Paste production of resins safety instrumented systems |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115178202A (en) * | 2022-06-29 | 2022-10-14 | 新疆中泰化学托克逊能化有限公司 | Seed emulsion polymerization kettle with prevent moulding function |
| CN115536763A (en) * | 2022-08-26 | 2022-12-30 | 金澳科技（湖北）化工有限公司 | SPG process sis logic optimization method |
| CN117490765A (en) * | 2023-11-02 | 2024-02-02 | 岳阳长炼机电工程技术有限公司 | Water inlet monitoring system for interlocking instrument |
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2018
- 2018-08-22 CN CN201821367688.7U patent/CN208621921U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115178202A (en) * | 2022-06-29 | 2022-10-14 | 新疆中泰化学托克逊能化有限公司 | Seed emulsion polymerization kettle with prevent moulding function |
| CN115536763A (en) * | 2022-08-26 | 2022-12-30 | 金澳科技（湖北）化工有限公司 | SPG process sis logic optimization method |
| CN115536763B (en) * | 2022-08-26 | 2023-10-31 | 金澳科技（湖北）化工有限公司 | SPG process sis logic optimization method |
| CN117490765A (en) * | 2023-11-02 | 2024-02-02 | 岳阳长炼机电工程技术有限公司 | Water inlet monitoring system for interlocking instrument |
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