JPS5714197A - Water containing system for cleaning ball for heat exchanger tube - Google Patents
Water containing system for cleaning ball for heat exchanger tubeInfo
- Publication number
- JPS5714197A JPS5714197A JP8971580A JP8971580A JPS5714197A JP S5714197 A JPS5714197 A JP S5714197A JP 8971580 A JP8971580 A JP 8971580A JP 8971580 A JP8971580 A JP 8971580A JP S5714197 A JPS5714197 A JP S5714197A
- Authority
- JP
- Japan
- Prior art keywords
- water
- vacuum condition
- water containing
- condition
- cleaning balls
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies
Abstract
PURPOSE: To automatize water containing process for cleaning balls, by connecting a water containing unit to a selective memory unit, into which combination data of the degree of vacuum condition, the duration to keep vacuum condition, and the number of times of promotive operation to contain water into the cleaning balls are memorized, in order to obtain necessary and enough water contained condition in the cleaning balls.
CONSTITUTION: The water containing unit 1 is connected to a selective memory unit 3, into which combination data of each condition that the degrees of vacuum condition in the water container is to be more than 300mmHg, the duration to keep vacuum condition is to be longer than two minutes, and the number of times of promotive operation to contain water by a method to return the pressure in the container of water from vacuum condition to the atmospheric pressure is to be more than one time are memorized. A vacuum pump 5 and the air intake valve 4 are controlled by the signals transmitted from the selective memory unit 3. This control makes the confirmation used to be performed by the human eyes during the work to contain water into the cleaning balls unnecessary, so that the work can be carried out automatically.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8971580A JPS5714197A (en) | 1980-06-30 | 1980-06-30 | Water containing system for cleaning ball for heat exchanger tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8971580A JPS5714197A (en) | 1980-06-30 | 1980-06-30 | Water containing system for cleaning ball for heat exchanger tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5714197A true JPS5714197A (en) | 1982-01-25 |
Family
ID=13978458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8971580A Pending JPS5714197A (en) | 1980-06-30 | 1980-06-30 | Water containing system for cleaning ball for heat exchanger tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5714197A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01262890A (en) * | 1988-04-13 | 1989-10-19 | Pegasus Sewing Mach Mfg Co Ltd | Needle and thread adjusting device for overlock sewing machine |
| US6729251B2 (en) | 2001-08-02 | 2004-05-04 | Pegasus Sewing Machine Mfg. Co., Ltd. | Regulating device for handling a needle thread in a multi-needle double chain stitch sewing machine |
-
1980
- 1980-06-30 JP JP8971580A patent/JPS5714197A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01262890A (en) * | 1988-04-13 | 1989-10-19 | Pegasus Sewing Mach Mfg Co Ltd | Needle and thread adjusting device for overlock sewing machine |
| US6729251B2 (en) | 2001-08-02 | 2004-05-04 | Pegasus Sewing Machine Mfg. Co., Ltd. | Regulating device for handling a needle thread in a multi-needle double chain stitch sewing machine |
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