JPS5681285A - Operation control system for chemical injection pump - Google Patents
Operation control system for chemical injection pumpInfo
- Publication number
- JPS5681285A JPS5681285A JP15640179A JP15640179A JPS5681285A JP S5681285 A JPS5681285 A JP S5681285A JP 15640179 A JP15640179 A JP 15640179A JP 15640179 A JP15640179 A JP 15640179A JP S5681285 A JPS5681285 A JP S5681285A
- Authority
- JP
- Japan
- Prior art keywords
- capacity
- injection
- stroke
- length
- amount
- 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
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
PURPOSE: To promote the follow-up capacity of an actual value of chemical injection to the set chemical injection amount, by providing a great-capacity injection pump controllable in its amount of injection by the length of stoke and a samll-capacity pump controllable in its amount of injection by the number of revolutions and the length of stroke.
CONSTITUTION: In accordance with the level of the set command, a great-capacity pump 1 is given a stroke-control signal from a control device 3 to be controlled in its length of stroke, and the portion in its charge is changed by steps. On the contrary, a small-capacity pump 2 variable in its length of stroke and the number of revolutions is taking charge in the remainder known by substracting the portion in charge of the great-capacity pump 1. Since the amount of chemical injection is finely and continuously adjusted by changing the number of revolutions of the small- capacity pump, the follow-up capacity of an actual value to the command of injection can be improved. As the adjustment is made only by changing the stroke lengths of the large and small capacity pumps 1 and 2 by steps, mechanical operations can be reduced to promote the reliability of a system.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15640179A JPS5681285A (en) | 1979-12-04 | 1979-12-04 | Operation control system for chemical injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15640179A JPS5681285A (en) | 1979-12-04 | 1979-12-04 | Operation control system for chemical injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5681285A true JPS5681285A (en) | 1981-07-03 |
Family
ID=15626924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15640179A Pending JPS5681285A (en) | 1979-12-04 | 1979-12-04 | Operation control system for chemical injection pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5681285A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6079185A (en) * | 1983-10-06 | 1985-05-04 | Chiyoda Chem Eng & Constr Co Ltd | Automatic flow-rate control in pump |
| JPS61181885U (en) * | 1985-05-02 | 1986-11-13 | ||
| JPH0196483A (en) * | 1987-10-06 | 1989-04-14 | Taiyo Fishery Co Ltd | Method for supplying constant amount of high viscosity body |
| JP2018069197A (en) * | 2016-11-02 | 2018-05-10 | 共立機巧株式会社 | Controller for operation of reciprocating pump |
-
1979
- 1979-12-04 JP JP15640179A patent/JPS5681285A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6079185A (en) * | 1983-10-06 | 1985-05-04 | Chiyoda Chem Eng & Constr Co Ltd | Automatic flow-rate control in pump |
| JPS61181885U (en) * | 1985-05-02 | 1986-11-13 | ||
| JPH0196483A (en) * | 1987-10-06 | 1989-04-14 | Taiyo Fishery Co Ltd | Method for supplying constant amount of high viscosity body |
| JP2018069197A (en) * | 2016-11-02 | 2018-05-10 | 共立機巧株式会社 | Controller for operation of reciprocating pump |
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