CN202621136U - Automatic control system for drop adding of methylclhlorofonmate - Google Patents
Automatic control system for drop adding of methylclhlorofonmate Download PDFInfo
- Publication number
- CN202621136U CN202621136U CN 201220125304 CN201220125304U CN202621136U CN 202621136 U CN202621136 U CN 202621136U CN 201220125304 CN201220125304 CN 201220125304 CN 201220125304 U CN201220125304 U CN 201220125304U CN 202621136 U CN202621136 U CN 202621136U
- Authority
- CN
- China
- Prior art keywords
- control system
- temperature sensor
- amination
- methylchloroformate
- automatic control
- 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
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Abstract
The utility model relates to an automatic control system for drop adding of methylclhlorofonmate. The automatic control system comprises an amination tank and is characterized in that the amination tank is provided with a methylclhlorofonmate drop adding pipeline which is provided with a flow regulating valve; a temperature sensor is arranged in the amination tank; and the flow regulating valve and the temperature sensor are both connected with a programmable control system. The temperature sensor is arranged in the amination tank, if temperature is lower than 55 DEG C, the programmable control system can control the flow regulating valve according to signals of the temperature sensor to enlarge the opening degree of the flow regulating valve; and if the temperature is over 60 DEG C, the opening degree of the flow regulating valve is reduced, and therefore production efficiency and safety are ensured simultaneously.
Description
Technical field
The utility model relates to a kind of methylchloroformate and drips system, and particularly a kind of methylchloroformate drips automatic control system.
Background technology
Carbendazim is a kind of broad-spectrum germicide, and various crop is had prevention effect by the disease that fungi (like Fungi Imperfecti, many sac fungus) causes.In the process of preparation carbendazim, at first need adopt lime nitrogen, methylchloroformate hydrolysis ammonification to make cyanamide base methyl formate, calcium chloride and calcium hydroxide.Traditional methylchloroformate dropping method adopts the Artificial Control valve opening to drip, and its shortcoming is: drip too fastly, then the amination temperature in the kettle sharply raises, and has potential safety hazard, and drips slowly, then influences production efficiency.
Summary of the invention
The technical problem that the utility model will solve provides the high and safe methylchloroformate of a kind of production efficiency and drips automatic control system.
For solving the problems of the technologies described above; The technical scheme of the utility model is: a kind of methylchloroformate drips automatic control system; Comprise the amination still, its innovative point is: said amination still is provided with methylchloroformate and drips pipeline, and said methylchloroformate drips on the pipeline flow control valve is installed; In the said amination still temperature sensor is installed, said flow control valve and temperature sensor all insert programmable control system.
The advantage of the utility model is: in the amination still temperature sensor is installed; If temperature is lower than 55 ℃; Then programmable control system is according to the signal controlling flow control valve of temperature sensor, and the aperture of enlargement discharge control valve is when temperature surpasses 60 ℃; Then reduce its aperture, guarantee safety when guaranteeing production efficiency.
Description of drawings
Fig. 1 drips the automatic control system structural representation for the utility model methylchloroformate.
The specific embodiment
As shown in Figure 1; Comprise amination still 1, amination still 1 is provided with methylchloroformate and drips pipeline 2, and methylchloroformate drips on the pipeline 2 flow control valve 3 is installed; Temperature sensor 4 is installed in the amination still 1, and flow control valve 3 all inserts programmable control system 5 with temperature sensor 4.
When dripping methylchloroformate; Temperature in the temperature sensor 4 monitoring amination in real time still 1, if temperature is lower than 55 ℃, then programmable control system is according to the signal controlling flow control valve 3 of temperature sensor; The aperture of enlargement discharge control valve 3; When temperature surpasses 60 ℃, then reduce the aperture of flow control valve 3, guarantee safety when guaranteeing production efficiency.
Claims (1)
1. a methylchloroformate drips automatic control system; Comprise the amination still; It is characterized in that: said amination still is provided with methylchloroformate and drips pipeline; Said methylchloroformate drips on the pipeline flow control valve is installed, and in the said amination still temperature sensor is installed, and said flow control valve and temperature sensor all insert programmable control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220125304 CN202621136U (en) | 2012-03-29 | 2012-03-29 | Automatic control system for drop adding of methylclhlorofonmate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220125304 CN202621136U (en) | 2012-03-29 | 2012-03-29 | Automatic control system for drop adding of methylclhlorofonmate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202621136U true CN202621136U (en) | 2012-12-26 |
Family
ID=47374381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220125304 Expired - Fee Related CN202621136U (en) | 2012-03-29 | 2012-03-29 | Automatic control system for drop adding of methylclhlorofonmate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202621136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157407A (en) * | 2013-03-27 | 2013-06-19 | 张家港市科华化工装备制造有限公司 | Caustic soda overhead tank |
-
2012
- 2012-03-29 CN CN 201220125304 patent/CN202621136U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157407A (en) * | 2013-03-27 | 2013-06-19 | 张家港市科华化工装备制造有限公司 | Caustic soda overhead tank |
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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: 20121226 Termination date: 20160329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |