SU147286A1 - Working fluid for liquid jet vacuum pump - Google Patents
Working fluid for liquid jet vacuum pumpInfo
- Publication number
- SU147286A1 SU147286A1 SU728541A SU728541A SU147286A1 SU 147286 A1 SU147286 A1 SU 147286A1 SU 728541 A SU728541 A SU 728541A SU 728541 A SU728541 A SU 728541A SU 147286 A1 SU147286 A1 SU 147286A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- working fluid
- vacuum pump
- jet vacuum
- liquid jet
- pump
- Prior art date
Links
Description
Известно, что в некоторых отрасл х промышленности дл создани предварительного разрежени в установках примен ютс водоструйные вакуумные насосы.It is known that in some industries, water jet vacuum pumps are used to create pre-dilution in installations.
Однако эти насосы имеют предельно низкий вакуум, определ емый высокой упругостью пара воды и его температурой, что ограничивает возможности использовани водоструйных насосов в высоковакуумных агрегатах.However, these pumps have an extremely low vacuum, determined by the high elasticity of water vapor and its temperature, which limits the possibilities of using water jet pumps in high vacuum units.
Применение в качестве рабочей жидкости, например, сплава Вуда или сплава, содержащего галли 62.5%, олова 16% и инди 21,5%, обладающих низкой упругостью пара, позвол ет значительно повысить предельный вакуум жидкоструйных насосов и сделать его практически независимым от колебаний температуры рабочей жидкости.Use as a working fluid, for example, a Wood alloy or an alloy containing gallium 62.5%, tin 16% and indium 21.5% with low vapor elasticity, can significantly increase the limiting vacuum of liquid-jet pumps and make it practically independent of temperature fluctuations fluid.
На чертеже схематически изображен жидкоструйный вакуумный насос, работающий на предлагаемых сплавах.The drawing schematically shows a liquid-jet vacuum pump operating on the proposed alloys.
Насос, работающий на сплавах Вуда или Ga, Sn и In, включает механический перекачной насос / жидкого сплава, резервуар 2 с жидким сплавом, нагреватели 3, диффузор 4 и откачной патрубок 5.A pump working on Wood or Ga, Sn and In alloys includes a mechanical transfer pump / liquid alloy, a reservoir 2 with a liquid alloy, heaters 3, a diffuser 4 and a discharge pipe 5.
Корпус насоса и коммуникации перемещени жидкого сплава должны изготовл тьс из нержавеющей стали 1Х18Н9Т.The pump casing and molten alloy transport communications should be made of 1X18H9T stainless steel.
Жидкий сплав заливаетс в резервуар 2, причем при заливке сплава Вуда, имеющего температуру плавлени 65°, производитс предварительный нагрев насоса до температуры 80°.The liquid alloy is poured into the tank 2, and when the Wood alloy having a melting point of 65 ° is poured, the pump is preheated to a temperature of 80 °.
При применении сплава на основе галли с температурой плавлени 10,7° насос работает без предварительного подогрева.When using a gallium-based alloy with a melting point of 10.7 °, the pump operates without preheating.
Затем включаютс нагреватели 3 и механический перекачной насос /. При выключении насоса сначала выключаетс перекачной насос, а затем нагреватели.Then include heaters 3 and a mechanical transfer pump. When the pump is turned off, the transfer pump is first switched off and then the heaters.
№ 147286№ 147286
Предмет изобретени Subject invention
Применение сплавов с низкой упругостью пара, например, сплава Вуда или сплава, содержащего галли 62,5%, олова 16% и инди 21,5%,, в качестве рабочей, жидкости дл жидкоструй ого вакуумного, насоса..The use of alloys with low vapor pressure, for example, a Wood or an alloy containing gallium 62.5%, tin 16% and indium 21.5%, as a working fluid for a liquid-jet vacuum pump.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU728541A SU147286A1 (en) | 1961-05-03 | 1961-05-03 | Working fluid for liquid jet vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU728541A SU147286A1 (en) | 1961-05-03 | 1961-05-03 | Working fluid for liquid jet vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU147286A1 true SU147286A1 (en) | 1961-11-30 |
Family
ID=48302670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU728541A SU147286A1 (en) | 1961-05-03 | 1961-05-03 | Working fluid for liquid jet vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU147286A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4911134A (en) * | 1987-08-27 | 1990-03-27 | Saab-Scania Aktiebolag | Arrangement for ejecting fuel in a vehicle fuel tank |
-
1961
- 1961-05-03 SU SU728541A patent/SU147286A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4911134A (en) * | 1987-08-27 | 1990-03-27 | Saab-Scania Aktiebolag | Arrangement for ejecting fuel in a vehicle fuel tank |
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