CN202590744U - Automation control feeding device in glycine ammonifying process - Google Patents
Automation control feeding device in glycine ammonifying process Download PDFInfo
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- CN202590744U CN202590744U CN 201220122960 CN201220122960U CN202590744U CN 202590744 U CN202590744 U CN 202590744U CN 201220122960 CN201220122960 CN 201220122960 CN 201220122960 U CN201220122960 U CN 201220122960U CN 202590744 U CN202590744 U CN 202590744U
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- tank
- monoxone
- logical
- ammonia
- glycine
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Abstract
An automation control feeding device in the glycine ammonifying process comprises a combining tank. An ammonia introduction pipe and a feeding pipe are arranged on the combining tank, the ammonia introduction pipe is communicated with a liquid ammonia storage tank, the feeding pipe is communicated with an chloroacetic acid metering tank, a tropine metering tank and a water metering tank, the chloroacetic acid metering tank is communicated with a chloroacetic acid high position tank, and the tropine metering tank is communicated with a tropine high position tank. A jacket of the combining tank is communicated with a water pipe used for introducing cooling water, and a jacket cooling water adjusting valve is installed on the water pipe. A chloroacetic acid adjusting valve and a chloroacetic acid introduction flow meter are installed on a pipeline where the chloroacetic acid metering tank is communicated with the feeding pipe, an ammonia introduction adjusting valve and an ammonia introduction flow meter are installed on a pipeline where a liquid ammonia storage tank is communicated with an ammonia introduction pipe, a pH meter and a temperature sensor are installed in the combining tank, the jacket cooling water adjusting valve, the chloroacetic acid adjusting valve, the chloroacetic acid introduction flow meter, the ammonia introduction adjusting valve and the ammonia introduction flow meter are all connected with a controller, and the controller is connected with the pH meter and the temperature sensor.
Description
Technical field
The utility model relates to a kind of glycine ammonifying process automation control charging device.
Background technology
The existing glycine production technology of China is the monoxone ammonolysis process, and the intermediate that ammonification is come out is the masterbatch of glycine, and ammonifying process also is the important component part of whole explained hereafter.In the ammonifying process, ammonia, chloroacetic adjusting and reaction temperature, pH value are complementary, if monoxone adds quantity not sufficient, can cause reacting insufficient; Influence reaction speed, reaction speed is slow more, and heat release is few; Then reaction temperature will descend accordingly, need to regulate chloroacetic feeding amount, and monoxone is acid; That pH value diminishes naturally, in order to reach the control reaction pH value in 7.0～7.5 scopes, must increase the amount of logical ammonia; The increase of reacting dose causes reaction fierce like this, and heat release is many, influences temperature again back.
Reaction temperature is spent low, influences output.Reaction temperature too high (as reaching more than 95 ℃) can cause reaction too fierce, has hidden peril of explosion.
The pH value should be controlled at 7.0～7.5 in the course of reaction.If < 6. a reactant liquor is acid to pH, and temperature is higher, can make the increase of product iron content, outward appearance jaundice in addition.In addition, the pH value is on the low side, can make reaction insufficient, and yield must descend.If pH value >=9 explain that ammonia is excessive more, help abundant reaction theoretically, improve yield, but can cause product pellet meticulous, loss increases during filtration and washing, is unfavorable for improving yield on the contrary.
Like this operative employee who produces is brought constantly greatly, and the product disqualification rate is very high, has increased production cost greatly.
Summary of the invention
The purpose of the utility model has been to provide the glycine ammonifying process that a kind of cost is low, product percent of pass is high automatic charging device.
For the technical scheme that reaches the employing of goal of the invention the utility model is:
A kind of glycine ammonifying process automation control charging device; It is characterized in that: comprise synthesis tank; Said synthesis tank is provided with logical ammonia pipe and feed pipe, and said logical ammonia pipe is communicated with liquid ammonia storage tank, and said feed pipe is communicated with monoxone measuring tank, tropine measuring tank and water measuring tank; Said monoxone measuring tank is communicated with the monoxone gravity tank, and said tropine measuring tank is communicated with the tropine gravity tank; The chuck of said synthesis tank and the cross current of logical cooling water are equipped with the chuck cooling sea water regulating valve on the said water pipe; Monoxone control valve and logical monoxone flowmeter are installed on the connecting pipeline of said monoxone measuring tank and feed pipe; Logical ammonia control valve and logical ammonia flow meter are installed on the connecting pipeline of said liquid ammonia storage tank and logical ammonia pipe; PH meter and temperature sensor are installed in the said synthesis tank; Said chuck cooling sea water regulating valve, monoxone control valve, logical monoxone flowmeter, logical ammonia control valve and logical ammonia flow meter all are connected with the controller of its aperture of control or flow, and said controller is connected with temperature sensor with pH meter; Said controller is used to gather the pH value and the reaction temperature of synthesis tank, changes the aperture of controlling the chuck cooling sea water regulating valve through reaction temperature, sets logical chloroacetic flow through the pH value, and regulates the flow of logical ammonia.
Further, said controller is connected with the ipc monitor system.
Further, said logical monoxone flowmeter is by the closed-loop control of monoxone control valve.
Further, said logical ammonia flow meter is by logical ammonia control valve closed-loop control.
Further, in the said synthesis tank agitator is installed, said agitator is connected with the transmission device that has driven rotation.
Further, said temperature sensor is a thermal resistance.
Further, the installation site of said tropine gravity tank is higher than the installation site of tropine measuring tank, and the installation site of said monoxone gravity tank is higher than the installation site of monoxone measuring tank; The installation site of said tropine measuring tank, monoxone measuring tank, liquid ammonia storage tank and water measuring tank all is higher than the installation site of synthesis tank.
The technical conceive of the utility model be reaction temperature, on-line pH value, logical ammonia amount, logical monoxone amount as controlled variable, monoxone control valve, chuck cooling sea water regulating valve, logical ammonia control valve as control variables; Set a target temperature and target pH value; Through current reaction temperature and pH value are carried out the desired value correction; Promptly judge the scope of pH value; Its rate of change is on the occasion of (last time detected value-current detection value), simultaneously to its amplification that gains, carries out the chloroacetic flow of assist control after numerical value after the calculating and current pH value add up.Logical ammonia flow basis and chloroacetic preset proportion are carried out PID and are regulated, and the rate of change of reaction temperature is used as the auxiliary parameter that PID regulates; According to whole technology actual state; Confirm required logical ammonia and logical chloroacetic total amount, satisfying the reaction time pH value; Under the stable situation of logical ammonia and monoxone, finely tune the aperture of chuck cooling sea water regulating valve according to actual temperature and unit interval rate of temperature change.
The beneficial effect of the utility model: simple to operate, product percent of pass improve and production cost low.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the control logic figure of the utility model.
The specific embodiment
Come the utility model is further specified below in conjunction with specific embodiment, but the utility model is not confined to these specific embodiment.One skilled in the art would recognize that the utility model contained in claims scope all alternatives, improvement project and the equivalents that possibly comprise.
With reference to Fig. 1, Fig. 2; A kind of glycine ammonifying process automation control charging device comprises synthesis tank 1, and said synthesis tank 1 is provided with logical ammonia pipe 2 and feed pipe 3; Said logical ammonia pipe 2 is communicated with liquid ammonia storage tank 4; Said feed pipe 3 is communicated with monoxone measuring tank 5, tropine measuring tank 6 and water measuring tank 7, and said monoxone measuring tank 5 is communicated with monoxone gravity tank 8, and said tropine measuring tank 6 is communicated with tropine gravity tank 9; The chuck of said synthesis tank 1 and the cross current of logical cooling water are equipped with chuck cooling sea water regulating valve 10 on the said water pipe; On the connecting pipeline of said monoxone measuring tank 5 and feed pipe 3 monoxone control valve 11 and logical monoxone flowmeter 12 are installed; Logical ammonia control valve 13 and logical ammonia flow meter 14 are installed on the connecting pipeline of said liquid ammonia storage tank 4 and logical ammonia pipe 2; PH meter 15 and temperature sensor 16 are installed in the said synthesis tank 1; Said chuck cooling sea water regulating valve 10, monoxone control valve 11, logical monoxone flowmeter 12, logical ammonia control valve 13 and logical ammonia flow meter 14 all are connected with the controller of controlling its aperture or flow, and said controller is connected with temperature sensor 16 with pH meter 15; Said controller is used to gather the pH value and the reaction temperature of synthesis tank 1, changes the aperture of controlling chuck cooling sea water regulating valve 10 through reaction temperature, sets logical chloroacetic flow through the pH value, and regulates the flow of logical ammonia.
Said controller is connected with the ipc monitor system.
Said logical monoxone flowmeter 12 is by 11 closed-loop controls of monoxone control valve.
Said logical ammonia flow meter 14 is by logical ammonia control valve 13 closed-loop controls.
Said temperature sensor 16 is thermal resistances.
In the said synthesis tank 2 agitator is installed, said agitator is connected with the transmission device that has driven rotation.
The installation site of said tropine gravity tank 9 is higher than the installation site of tropine measuring tank 6, and the installation site of said monoxone gravity tank 8 is higher than the installation site of monoxone measuring tank 5; The installation site of said tropine measuring tank 6, monoxone measuring tank 5, liquid ammonia storage tank 4 and water measuring tank 7 all is higher than the installation site of synthesis tank 1.
The technical conceive of the utility model be reaction temperature, on-line pH value, logical ammonia amount, logical monoxone amount as controlled variable, monoxone control valve 11, chuck cooling sea water regulating valve 10, logical ammonia control valve 13 as control variables; Set a target temperature and target pH value; Through current reaction temperature and pH value are carried out the desired value correction; Promptly judge the scope of pH value; Its rate of change is on the occasion of (last time detected value-current detection value), simultaneously to its amplification that gains, carries out the chloroacetic flow of assist control after numerical value after the calculating and current pH value add up.Logical ammonia flow basis and chloroacetic preset proportion are carried out PID and are regulated, and the rate of change of reaction temperature is used as the auxiliary parameter that PID regulates; According to whole technology actual state; Confirm required logical ammonia and logical chloroacetic total amount, satisfying the reaction time pH value; Under the stable situation of logical ammonia and monoxone, finely tune the aperture of chuck cooling sea water regulating valve according to actual temperature and unit interval rate of temperature change.
Claims (7)
1. charging device is controlled in a glycine ammonifying process automation; It is characterized in that: comprise synthesis tank; Said synthesis tank is provided with logical ammonia pipe and feed pipe, and said logical ammonia pipe is communicated with liquid ammonia storage tank, and said feed pipe is communicated with monoxone measuring tank, tropine measuring tank and water measuring tank; Said monoxone measuring tank is communicated with the monoxone gravity tank, and said tropine measuring tank is communicated with the tropine gravity tank; The chuck of said synthesis tank and the cross current of logical cooling water are equipped with the chuck cooling sea water regulating valve on the said water pipe; Monoxone control valve and logical monoxone flowmeter are installed on the connecting pipeline of said monoxone measuring tank and feed pipe; Logical ammonia control valve and logical ammonia flow meter are installed on the connecting pipeline of said liquid ammonia storage tank and logical ammonia pipe; PH meter and temperature sensor are installed in the said synthesis tank; Said chuck cooling sea water regulating valve, monoxone control valve, logical monoxone flowmeter, logical ammonia control valve and logical ammonia flow meter all are connected with the controller of its aperture of control or flow, and said controller is connected with temperature sensor with pH meter; Said controller is used to gather the pH value and the reaction temperature of synthesis tank, changes the aperture of controlling the chuck cooling sea water regulating valve through reaction temperature, sets logical chloroacetic flow through the pH value, and regulates the flow of logical ammonia.
2. a kind of glycine ammonifying process automation control charging device according to claim 1, it is characterized in that: said controller is connected with the ipc monitor system.
3. a kind of glycine ammonifying process automation control charging device according to claim 1 and 2, it is characterized in that: said logical monoxone flowmeter is by the closed-loop control of monoxone control valve.
4. a kind of glycine ammonifying process automation control charging device according to claim 3, it is characterized in that: said logical ammonia flow meter is by logical ammonia control valve closed-loop control.
5. a kind of glycine ammonifying process automation control charging device according to claim 4, it is characterized in that: in the said synthesis tank agitator is installed, said agitator is connected with the transmission device that has driven rotation.
6. a kind of glycine ammonifying process automation control charging device according to claim 5, it is characterized in that: said temperature sensor is a thermal resistance.
7. a kind of glycine ammonifying process automation control charging device according to claim 6; It is characterized in that: the installation site of said tropine gravity tank is higher than the installation site of tropine measuring tank, and the installation site of said monoxone gravity tank is higher than the installation site of monoxone measuring tank; The installation site of said tropine measuring tank, monoxone measuring tank, liquid ammonia storage tank and water measuring tank all is higher than the installation site of synthesis tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220122960 CN202590744U (en) | 2012-03-28 | 2012-03-28 | Automation control feeding device in glycine ammonifying process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220122960 CN202590744U (en) | 2012-03-28 | 2012-03-28 | Automation control feeding device in glycine ammonifying process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202590744U true CN202590744U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220122960 Expired - Fee Related CN202590744U (en) | 2012-03-28 | 2012-03-28 | Automation control feeding device in glycine ammonifying process |
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| CN (1) | CN202590744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105056823A (en) * | 2015-06-15 | 2015-11-18 | 河南心连心化肥有限公司 | Automatic material preparing apparatus of furfuryl alcohol production through furfural hydrogenation, and material preparing method thereof |
| CN108279625A (en) * | 2017-12-30 | 2018-07-13 | 利穗科技(苏州)有限公司 | Digitize tomographic system and method |
-
2012
- 2012-03-28 CN CN 201220122960 patent/CN202590744U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105056823A (en) * | 2015-06-15 | 2015-11-18 | 河南心连心化肥有限公司 | Automatic material preparing apparatus of furfuryl alcohol production through furfural hydrogenation, and material preparing method thereof |
| CN105056823B (en) * | 2015-06-15 | 2017-10-20 | 河南心连心化肥有限公司 | The automatic recipe maker and its distribution of furfural hydrogenation production furfuryl alcohol |
| CN108279625A (en) * | 2017-12-30 | 2018-07-13 | 利穗科技(苏州)有限公司 | Digitize tomographic system and method |
| CN108279625B (en) * | 2017-12-30 | 2023-09-05 | 利穗科技(苏州)有限公司 | Digital chromatography system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20150328 |
|
| EXPY | Termination of patent right or utility model |