JPS5751724A - Temperature control for thin-film dewatering apparatus - Google Patents
Temperature control for thin-film dewatering apparatusInfo
- Publication number
- JPS5751724A JPS5751724A JP12779680A JP12779680A JPS5751724A JP S5751724 A JPS5751724 A JP S5751724A JP 12779680 A JP12779680 A JP 12779680A JP 12779680 A JP12779680 A JP 12779680A JP S5751724 A JPS5751724 A JP S5751724A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- response
- jacket
- valve
- selector
- 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.)
- Pending
Links
Abstract
PURPOSE: To shorten the start-up of the apparatus and to control the temperature of the apparatus with good response, by controlling the operation of a valve for supplying high-temperature steam into the jacket in response to the steam pressure in the jacket during the initial period of start-up of the apparatus and in response to the temperature of the apparatus during the steady state operation.
CONSTITUTION: A jacket 3 is provided on the outside (heating wall surface) of a cylindricL body 1 of a thin-film dewatering apparatus and a signal for operating a valve V for controlling high-temperature steam supplied into a jacket 3 is switched by a selector S1. For instance, in case where the apparatus is operated at a set temperature of 130°C, the reference input r of a comparator CP has been set at a somewhat lower temparature than the set temperature, say 120°C. Next, when the operation of the apparatus is started at room temperature, the selector S1 is set to select the steam pressure control via a pressure indicator controler PC, and the valve V is controlled in response to this signal. Next, when the apparatus temperature reaches 120°C, the selector S1 is actuated by the output of the comparator CP, and the valve V is controlled in response to an apparatus temperature controlling signal via a temperature indicator controller TC.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12779680A JPS5751724A (en) | 1980-09-13 | 1980-09-13 | Temperature control for thin-film dewatering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12779680A JPS5751724A (en) | 1980-09-13 | 1980-09-13 | Temperature control for thin-film dewatering apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5751724A true JPS5751724A (en) | 1982-03-26 |
Family
ID=14968882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12779680A Pending JPS5751724A (en) | 1980-09-13 | 1980-09-13 | Temperature control for thin-film dewatering apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5751724A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110678255A (en) * | 2017-06-30 | 2020-01-10 | 沙特基础工业全球技术有限公司 | Oligomerization apparatus with improved mixing performance |
| US11529602B2 (en) | 2017-06-30 | 2022-12-20 | Sabic Global Technologies B.V. | Oligomeriser with an improved feed system |
-
1980
- 1980-09-13 JP JP12779680A patent/JPS5751724A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110678255A (en) * | 2017-06-30 | 2020-01-10 | 沙特基础工业全球技术有限公司 | Oligomerization apparatus with improved mixing performance |
| US11529602B2 (en) | 2017-06-30 | 2022-12-20 | Sabic Global Technologies B.V. | Oligomeriser with an improved feed system |
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