CN2431284Y - Temp controller for first reactor of polypropylene device - Google Patents
Temp controller for first reactor of polypropylene device Download PDFInfo
- Publication number
- CN2431284Y CN2431284Y CN 00221115 CN00221115U CN2431284Y CN 2431284 Y CN2431284 Y CN 2431284Y CN 00221115 CN00221115 CN 00221115 CN 00221115 U CN00221115 U CN 00221115U CN 2431284 Y CN2431284 Y CN 2431284Y
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- China
- Prior art keywords
- reactor
- temperature
- control
- control valve
- polypropylene
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- Expired - Lifetime
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- Polymerisation Methods In General (AREA)
Abstract
The utility model relates to a temperature controller for a first reactor of a polypropylene device, which is composed of a temperature measuring sensor, a micro-processing controller, an electric control valve for controlling circulating water flowrate, etc. A temperature measuring point which is a temperature sensor (T210) is arranged on a reactor, the temperature sensor (T210) is connected with a signal input terminal of the micro-processing controller, and the electric control valve (F3) for controlling the circulating water flowrate of a circulating gas heat exchanger of the reactor can be driven by the output signal of the micro-processing controller through an amplifying circuit. Higher temperature control accuracy of a gas-phase temperature control device of a first reactor of a polypropylene (PP) device can be achieved by the utility model.
Description
The utility model relates to a kind of automatic temperature control, especially polypropylene (PP) the device first temperature of reactor control device.
At present, (Mitsui oiling polymerization technique in the polypropylene production technique, HyPOL technology) gas phase temperature of PP device first reactor control precision prescribed is very high, liquid and gas are arranged in the reactor simultaneously---promptly participate in the liquid and the reactant gases of reaction, the temperature control point T215 of pre-existing reactors is the outer circulation gas phase temperature, recirculated cooling water amount by its control interchanger E201, it is very big to be interfered, often can not take place to change synchronously with temperature of reactor, can not implement automatic control, its control accuracy is generally at ± 1 ℃, to producing influence to some extent.
The purpose of this utility model is: provide polypropylene plant the first temperature of reactor control device, a kind of more precise temp automatic control device is provided, the gas phase temperature control device of PP device first reactor especially is to reach higher temperature control precision.
The purpose of this utility model is achieved in that the polypropylene plant first temperature of reactor control device, comprise formations such as sensor for measuring temperature and microprocessor controller, circulating water flow motor-driven control valve, setting up the temperature survey point on reactor is temperature sensor T210, this temperature sensor T210 connects existing microprocessor controller signal input part, and the output signal of microprocessor controller drives motor-driven control valve F3 by an amplifying circuit.T210 can directly be connected with the Control Circulation discharge motor-driven control valve of the first reactor cycles gas interchanger, thereby realize the accurately control automatically of the first reactor gas phase temperature.The variation of T210 can be changed synchronously, so that temperature of reactor is implemented accurately control with temperature of reactor.
Characteristics of the present utility model are: after implementing the E-201 interchanger water yield by T210 control, the first temperature of reactor control accuracy reaches 70.0 ± 0.3 ℃ by original 70.0 ± 1.0 ℃.
The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment:
Fig. 1 is the utility model structural representation
The first temperature of reactor control device comprises the water yield by chuck, and promptly regulating controlling reactor by variable valve F210 is still---the D201 temperature,
By gas phase external circulating system control D201 temperature, carry out quantity of circulating water control by heat exchanging device E201, recirculated water is from CCW1 to RCCW1.The interchanger water yield is controlled by F3, and F3 is a motor-driven control valve, and it opens and closes size and is controlled by T210.The temperature control point T210 that is reactor connects existing microprocessor controller (industrial microprocessors), and T210 is for having occasionally temperature and resistance transmitter of thermoelectricity now, and the output signal of microprocessor controller drives F3 by an amplifying circuit.The interior T215 of dotted line is an outer circulation gas phase temperature measurement point among the figure, and the interference that is subjected to is very big, and is not enough to the D201 temperature control precision.
The utility model is set up the T210 point and is substituted T215, directly with the D201 still temperature control interchanger water yield, has obtained satisfied precision.Temperature control precision reaches 70.0 ± 0.3 ℃ by original 70.0 ± 1.0 ℃.D211 is a gas phase circular buffering jar, and C201 is the reaction gas recirculation blower, and F215 is a variable valve.
Claims (1)
1. the polypropylene plant first temperature of reactor control device, comprise formations such as sensor for measuring temperature and microprocessor controller, circulating water flow motor-driven control valve, it is characterized in that setting up on reactor the temperature survey point is temperature sensor (T210), this temperature sensor (T210) connects existing microprocessor controller signal input part, and the output signal of microprocessor controller drives the motor-driven control valve (F3) of the Control Circulation discharge of reactor cycles gas interchanger by an amplifying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00221115 CN2431284Y (en) | 2000-07-21 | 2000-07-21 | Temp controller for first reactor of polypropylene device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00221115 CN2431284Y (en) | 2000-07-21 | 2000-07-21 | Temp controller for first reactor of polypropylene device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2431284Y true CN2431284Y (en) | 2001-05-23 |
Family
ID=33586059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00221115 Expired - Lifetime CN2431284Y (en) | 2000-07-21 | 2000-07-21 | Temp controller for first reactor of polypropylene device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2431284Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103387623A (en) * | 2012-05-07 | 2013-11-13 | 中国石油化工股份有限公司 | Polymerization reaction device and application thereof |
-
2000
- 2000-07-21 CN CN 00221115 patent/CN2431284Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103387623A (en) * | 2012-05-07 | 2013-11-13 | 中国石油化工股份有限公司 | Polymerization reaction device and application thereof |
| CN103387623B (en) * | 2012-05-07 | 2015-08-19 | 中国石油化工股份有限公司 | A kind of polymerizing reactor and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20010523 |