CN206321947U - A kind of chlorination reaction control system - Google Patents
A kind of chlorination reaction control system Download PDFInfo
- Publication number
- CN206321947U CN206321947U CN201621425077.4U CN201621425077U CN206321947U CN 206321947 U CN206321947 U CN 206321947U CN 201621425077 U CN201621425077 U CN 201621425077U CN 206321947 U CN206321947 U CN 206321947U
- Authority
- CN
- China
- Prior art keywords
- chlorine
- pipeline
- signal output
- buffer vessel
- chlorination reaction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005660 chlorination reaction Methods 0.000 title claims abstract description 37
- 239000000460 chlorine Substances 0.000 claims abstract description 56
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 56
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000008676 import Effects 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 15
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000009413 insulation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model discloses a kind of chlorination reaction control system, including controller（14）, the controller（14）Signal input part respectively with installed in Chlorine Buffer Vessel（2）On buffer tank pressure meter（11）, installed in chlorinating container（3）On temperature of reaction kettle meter（12）With reactor pressure meter（13）And installed in liquid chlorine cylinder（1）And Chlorine Buffer Vessel（2）Between cl gas flow gauge on pipeline（15）Signal output part be connected, controller（14）Signal output part respectively with installed in liquid chlorine cylinder（1）And Chlorine Buffer Vessel（2）Between surge tank import electrically-controlled valve on pipeline（9）And regulating valve（16）, installed in Chlorine Buffer Vessel（2）And chlorinating container（3）Between reactor import electrically-controlled valve on pipeline（10）Signal output part be connected.The utility model controls chlorine to be passed through flow by control valve opening, chlorination reaction is continued safe progress.
Description
Technical field
The utility model is related to the control system of chlorination reaction, and specifically one kind being capable of slitting part control by stages chlorine
Changing course of reaction, temperature heating is too fast, control the chlorination reaction control system of the big problem of difficulty to solve in chlorination reaction process.
Background technology
Chlorination reaction is with the reaction of hydrogen atom in chlorine atom substituted organic compound, due to being related in chloridization process
The dangerous substance such as hypertoxic, inflammable, explosive, and chlorination reaction is an exothermic reaction, makes there are many danger during chloridization process
Danger, carries out chlorination reaction more violent at a higher temperature.At high temperature, material from leakage, which comes out, can cause burning, blast thing
Therefore.If charging rate is too fast, heating-up temperature is too high or too fast, and pressure is excessive, and stirring not in time, may gather heat,
Runaway reaction, causes slug, and the serious reactor that causes explodes.The equipment of general chlorination reaction can all have good cooling system
System.The reason for causing temperature rise too fast at present mainly has following aspect：Chlorination reaction is exothermic reaction, and temperature can be caused during reaction
The rapid rise of degree；It when chlorine flowrate is excessive, can aggravate reaction, and then cause heating too fast and explode.According to above-mentioned spy
Point, the temperature control of chlorination reaction is more crucial.
The content of the invention
The purpose of this utility model is to be directed to the problem of temperature heating is too fast, control difficulty is big in chlorination reaction process, is carried
For a kind of chlorination reaction control system for being capable of slitting part control by stages chlorination reaction process.
The purpose of this utility model is solved by the following technical programs：
A kind of chlorination reaction control system, including controller, it is characterised in that：The signal input part difference of the controller
With the buffer tank pressure meter in Chlorine Buffer Vessel, the temperature of reaction kettle meter on chlorinating container and reactor pressure
The signal output part of power meter and the cl gas flow gauge between liquid chlorine cylinder and Chlorine Buffer Vessel on pipeline is connected,
The signal output part of controller is automatically controlled with surge tank import between liquid chlorine cylinder and Chlorine Buffer Vessel on pipeline respectively
Valve and regulating valve, the signal output of reactor import electrically-controlled valve between Chlorine Buffer Vessel and chlorinating container on pipeline
End is connected；It is automatically controlled that described controller adjusts surge tank import by monitoring Chlorine Buffer Vessel and chlorinating container in real time
The open and-shut mode of valve, regulating valve and reactor import electrically-controlled valve.
Described surge tank import electrically-controlled valve, regulating valve, cl gas flow gauge are successively set on liquid chlorine cylinder and chlorine buffering
On pipeline between tank.
Described controller includes the signal input of logic control element and PID control unit, wherein logic control element
The signal output part respectively with buffer tank pressure meter, temperature of reaction kettle meter and reactor pressure meter is held to be connected, logic control element
Signal output part be connected with the signal input part of surge tank import electrically-controlled valve and reactor import electrically-controlled valve；PID control unit
Signal input part be connected with the signal output part of cl gas flow gauge, the signal output part of PID control unit and the letter of regulating valve
Number input is connected.
Described controller is ABB AC500 programmable logic controller (PLC)s.
Described liquid chlorine cylinder is connected by pipeline with Chlorine Buffer Vessel, and Chlorine Buffer Vessel passes through pipeline and chlorination reaction
Kettle is connected, and chlorinating container is connected by pipeline with condenser, and condenser is connected by pipeline with phosphorus trichloride receiving tank
Connect, phosphorus trichloride receiving tank is connected by pipeline with phosphorus trichloride measuring tank.
Described chlorinating container is connected with insulation transformation pot and emergent accident receiving tank respectively by pipeline.
The utility model has the following advantages compared with prior art：
Control system of the present utility model controls chlorine flowrate by regulating valve, with reference to surge tank import electrically-controlled valve and instead
Answer kettle import electrically-controlled valve to control Chlorine Buffer Vessel pressure, chlorinating container temperature and chlorinating container pressure, and pass through respectively
Logic control element come set Chlorine Buffer Vessel pressure, the alarm setting value of chlorinating container temperature and chlorinating container pressure and
Close valve setting value, and according to controller real-time reception to actual numerical value contrasted with setting value, slitting part control by stages chlorine
Change course of reaction.
Control system of the present utility model can solve the problem that in chlorination reaction process because temperature is rapid caused by reaction acutely
The dangerous situations such as inflammable caused by rising, blast；Control chlorine to be passed through flow by control valve opening, make chlorine with certain speed
Rate is passed through, in order to avoid because chlorine flowrate is excessive, aggravate reaction, temperature rises sharply, while passing through the control to chlorine flowrate so that
Chlorination reaction continues safe progress.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of chlorination reaction control system of the present utility model.
Wherein：1-liquid chlorine cylinder；2-Chlorine Buffer Vessel；3-chlorinating container；4-condenser；5-phosphorus trichloride connects
Closed cans；6-phosphorus trichloride measuring tank；7-insulation transformation pot；8-emergent accident receiving tank；9-surge tank import electrically-controlled valve；
10-reactor import electrically-controlled valve；11-buffer tank pressure meter；12-temperature of reaction kettle meter；13-reactor pressure meter；14—
Controller；15-cl gas flow gauge；16-regulating valve.
Embodiment
The utility model is further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1：A kind of chlorination reaction control system, the component being wherein related in chlorination reaction process includes liquid chlorine steel
Bottle 1, Chlorine Buffer Vessel 2, chlorinating container 3, condenser 4, phosphorus trichloride receiving tank 5, phosphorus trichloride measuring tank 6, insulation conversion
Kettle 7 and emergent accident receiving tank 8, liquid chlorine cylinder 1 are connected by pipeline with Chlorine Buffer Vessel 2, and Chlorine Buffer Vessel 2 passes through pipeline
It is connected with chlorinating container 3, chlorinating container 3 is connected by pipeline with condenser 4, condenser 4 passes through pipeline and trichlorine
Change phosphorus receiving tank 5 to be connected, phosphorus trichloride receiving tank 5 is connected by pipeline with phosphorus trichloride measuring tank 6；Other chlorination reaction
Kettle 3 is connected with insulation transformation pot 7 and emergent accident receiving tank 8 respectively by pipeline.Chlorination reaction control system then includes control
Device 14 processed, controller 14 is ABB AC500 programmable logic controller (PLC)s, the signal input part of the controller 14 respectively with installed in
Buffer tank pressure meter 11 in Chlorine Buffer Vessel 2, the temperature of reaction kettle meter 12 on chlorinating container 3 and reactor pressure
The signal output part of meter 13 and the cl gas flow gauge 15 between liquid chlorine cylinder 1 and Chlorine Buffer Vessel 2 on pipeline is connected
Connect, the signal output part of controller 14 enters with the surge tank on the pipeline between liquid chlorine cylinder 1 and Chlorine Buffer Vessel 2 respectively
Mouth electrically-controlled valve 9 and regulating valve 16, the reactor import between Chlorine Buffer Vessel 2 and chlorinating container 3 on pipeline are automatically controlled
The signal output part of valve 10 is connected；Described controller 14 is adjusted by monitoring Chlorine Buffer Vessel 2 and chlorinating container 3 in real time
The open and-shut mode of whole surge tank import electrically-controlled valve 9, regulating valve 16 and reactor import electrically-controlled valve 10.It should be noted that buffering
Tank import electrically-controlled valve 9, regulating valve 16, cl gas flow gauge 15 are successively set on the pipeline between liquid chlorine cylinder 1 and Chlorine Buffer Vessel 2
On.
In above-mentioned control system, controller 14 includes logic control element and PID control unit, wherein logic control list
The signal output part of the signal input part of member respectively with buffer tank pressure meter 11, temperature of reaction kettle meter 12 and reactor pressure meter 13
It is connected, the signal output part and the signal of surge tank import electrically-controlled valve 9 and reactor import electrically-controlled valve 10 of logic control element are defeated
Enter end to be connected；The signal input part of PID control unit is connected with the signal output part of cl gas flow gauge 15, PID control unit
Signal output part is connected with the signal input part of regulating valve 16；The setting value of logic control element and PID control unit has behaviour
Work person inputs.
During control system work of the present utility model, temperature of reaction kettle meter 12, buffer tank pressure meter 11 and reactor pressure
The alarm setting value and pass valve setting value of meter 13 are inputted by operator, and the setting value of cl gas flow gauge 15 is inputted by operator, behaviour
Work person can change setting value according to real reaction situation.
When chlorination reaction starts, chlorine is passed through Chlorine Buffer Vessel 2 with certain flow, is then entered by Chlorine Buffer Vessel 2
Reaction is participated in chlorinating container 3.Temperature of reaction kettle meter 12 inputs to the temperature value measured the logic control of controller 14
The signal input port of unit, the temperature value that logic control element is measured temperature of reaction kettle meter 12 is with closing valve setting value ratio
Compared with the logic control element that, buffer tank pressure meter 11 and reactor pressure meter 13 input to the pressure value measured controller 14
Signal input port, the pressure value that logic control element is measured buffer tank pressure meter 11 and reactor pressure meter 13 is with closing valve
Setting value compares；When temperature of reaction kettle meter 12, buffer tank pressure meter 11 and any of which measured value of reactor pressure meter 13 are big
When its alarm setting value, logic control element can send alarm signal, now can be by two ways by cl gas flow gauge
15 setting value reduces, and one kind is reduced automatically in program, and one kind is reduced by operator, and operator can pass through man-machine interface
Switching push button complete.The flow value measured is conveyed to the signal of the PID control unit of controller 14 by cl gas flow gauge 15
Input port, PID control unit is compared the flow value that cl gas flow gauge 15 is measured with setting value, according to PID mathematical algorithms
Setting value input of the control output to PID level control unit；Chlorine flowrate is controlled by reducing the aperture of regulating valve 16,
Prevent because chlorine excessively caused by react acutely, temperature rises sharply.After being cooled down by cooling device, temperature of reaction kettle meter 12, surge tank
, it is necessary to increase setting for flowmeter 15 when pressure gauge 11 and the measured value of the three of reactor pressure meter 13 are both less than its alarm setting value
Definite value, now PID control unit the flow value that cl gas flow gauge 15 is measured is compared with setting value, according to PID mathematical algorithms
Setting value input of the control output to PID level control unit, chlorine flowrate is controlled by increasing the aperture of regulating valve 16,
Prevent that chlorination reaction is excessively slow caused by chlorine is very few.
When temperature of reaction kettle meter 12, buffer tank pressure meter 11 and any of which measured value of reactor pressure meter 13 are more than it
When closing valve setting value, logic control element exports shutdown signal to surge tank import electrically-controlled valve 9 and reactor import electrically-controlled valve
10 signal input part；After being cooled down by cooling device, temperature of reaction kettle meter 12, buffer tank pressure meter 11 and reactor pressure meter
When the measured value of 13 threes is both less than its pass valve setting value, opening signal is exported automatically controlled to surge tank import by logic control element
The signal input part of valve 9 and reactor import electrically-controlled valve 10.In order to prevent temperature of reaction kettle meter 12, buffer tank pressure meter 11 and anti-
The measured value of kettle pressure gauge 13 is answered to be fluctuated back and forth around setting value, so its alarm setting value and pass valve setting value need back
Difference processing, when the measured value of temperature of reaction kettle meter 12, buffer tank pressure meter 11 and reactor pressure meter 13 is less than its alarm settings
During value, flow control is not carried out at once, and is less than it（Alarm setting value-return difference value）When, just carry out flow control.When anti-
When answering the measured value of kettle thermometer 12, buffer tank pressure meter 11 and reactor pressure meter 13 to close valve setting value less than it, not horse
Upper carry out Open valve, but when being less than it（Close valve setting value-return difference value）When, ability Open valve.
Control system of the present utility model controls chlorine flowrate by regulating valve 16, with reference to surge tank import electrically-controlled valve 9
Pressure, the temperature of chlorinating container 3 and the chlorinating container 3 of Chlorine Buffer Vessel 2 are controlled with reactor import electrically-controlled valve 10
Pressure, and it is anti-to set pressure, the temperature of chlorinating container 3 and the chlorination of Chlorine Buffer Vessel 2 by logic control element respectively
Answer the alarm setting value of the pressure of kettle 3 and close valve setting value, and the actual numerical value arrived according to the real-time reception of controller 14 and setting
Value is contrasted, slitting part control by stages chlorination reaction process.The control system can solve the problem that in chlorination reaction process because anti-
Should acutely caused by temperature rise sharply caused by it is inflammable, blast etc. dangerous situation；Chlorine is controlled to lead to by the aperture of regulating valve 16
Inbound traffics, make chlorine be passed through with certain speed, in order to avoid because chlorine flowrate is excessive, aggravating reaction, temperature rises sharply, lead to simultaneously
Cross the control to chlorine flowrate so that chlorination reaction continues safe progress.
Above example is only explanation technological thought of the present utility model, it is impossible to limit protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme each falls within this reality
Within the scope of novel protected；The technology that the utility model is not directed to can be realized by prior art.
Claims (6)
1. a kind of chlorination reaction control system, including controller（14）, it is characterised in that：The controller（14）Signal input
End respectively with installed in Chlorine Buffer Vessel（2）On buffer tank pressure meter（11）, installed in chlorinating container（3）On reactor
Thermometer（12）With reactor pressure meter（13）And installed in liquid chlorine cylinder（1）And Chlorine Buffer Vessel（2）Between on pipeline
Cl gas flow gauge（15）Signal output part be connected, controller（14）Signal output part respectively with installed in liquid chlorine cylinder
（1）And Chlorine Buffer Vessel（2）Between surge tank import electrically-controlled valve on pipeline（9）And regulating valve（16）, installed in chlorine buffering
Tank（2）And chlorinating container（3）Between reactor import electrically-controlled valve on pipeline（10）Signal output part be connected；Described
Controller（14）By monitoring Chlorine Buffer Vessel in real time（2）And chlorinating container（3）To adjust surge tank import electrically-controlled valve（9）、
Regulating valve（16）With reactor import electrically-controlled valve（10）Open and-shut mode.
2. chlorination reaction control system according to claim 1, it is characterised in that：Described surge tank import electrically-controlled valve
（9）, regulating valve（16）, cl gas flow gauge（15）It is successively set on liquid chlorine cylinder（1）And Chlorine Buffer Vessel（2）Between pipeline
On.
3. chlorination reaction control system according to claim 1, it is characterised in that：Described controller（14）Including logic
Control unit and PID control unit, the wherein signal input part of logic control element respectively with buffer tank pressure meter（11）, reaction
Kettle thermometer（12）With reactor pressure meter（13）Signal output part be connected, the signal output part and buffering of logic control element
Tank import electrically-controlled valve（9）With reactor import electrically-controlled valve（10）Signal input part be connected；The signal input part of PID control unit
With cl gas flow gauge（15）Signal output part be connected, the signal output part and regulating valve of PID control unit（16）Signal it is defeated
Enter end to be connected.
4. the chlorination reaction control system according to claim 1 or 3, it is characterised in that：Described controller（14）For ABB
AC500 programmable logic controller (PLC)s.
5. chlorination reaction control system according to claim 1, it is characterised in that：Described liquid chlorine cylinder（1）Pass through pipe
Road and Chlorine Buffer Vessel（2）It is connected, Chlorine Buffer Vessel（2）Pass through pipeline and chlorinating container（3）It is connected, chlorinating container
（3）Pass through pipeline and condenser（4）It is connected, condenser（4）Pass through pipeline and phosphorus trichloride receiving tank（5）It is connected, trichlorine
Change phosphorus receiving tank（5）Pass through pipeline and phosphorus trichloride measuring tank（6）It is connected.
6. chlorination reaction control system according to claim 1 or 5, it is characterised in that：Described chlorinating container（3）It is logical
Piping is respectively with being incubated transformation pot（7）With emergent accident receiving tank（8）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621425077.4U CN206321947U (en) | 2016-12-23 | 2016-12-23 | A kind of chlorination reaction control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621425077.4U CN206321947U (en) | 2016-12-23 | 2016-12-23 | A kind of chlorination reaction control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206321947U true CN206321947U (en) | 2017-07-11 |
Family
ID=59258847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621425077.4U Expired - Fee Related CN206321947U (en) | 2016-12-23 | 2016-12-23 | A kind of chlorination reaction control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206321947U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108021159A (en) * | 2017-12-25 | 2018-05-11 | 上海芃茂机电设备有限公司 | A kind of crystallization kettle temperature control system and control method |
| CN109289739A (en) * | 2018-10-29 | 2019-02-01 | 江苏维尤纳特精细化工有限公司 | A kind of Bravo production logical chlorine automatic control device and its method |
-
2016
- 2016-12-23 CN CN201621425077.4U patent/CN206321947U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108021159A (en) * | 2017-12-25 | 2018-05-11 | 上海芃茂机电设备有限公司 | A kind of crystallization kettle temperature control system and control method |
| CN108021159B (en) * | 2017-12-25 | 2023-11-10 | 上海芃茂机电设备有限公司 | Crystallization kettle temperature control system and control method |
| CN109289739A (en) * | 2018-10-29 | 2019-02-01 | 江苏维尤纳特精细化工有限公司 | A kind of Bravo production logical chlorine automatic control device and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 |