CN203670134U - Pre-vacuumizing device - Google Patents
Pre-vacuumizing device Download PDFInfo
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- CN203670134U CN203670134U CN201320763348.7U CN201320763348U CN203670134U CN 203670134 U CN203670134 U CN 203670134U CN 201320763348 U CN201320763348 U CN 201320763348U CN 203670134 U CN203670134 U CN 203670134U
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- taken out
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Abstract
The utility model relates to a pre-vacuumizing device, and belongs to the technical field of vacuum equipment. The device comprises a vacuum pump, a pre-vacuumizing tank and a vacuumized cavity, wherein an air suction portion of the vacuum pump is respectively communicated with the pre-vacuumizing tank and the vacuumized cavity through pipelines, the pipeline at the air suction portion of the vacuum pump is provided with a check valve, an air in-out port of the pre-vacuumizing tank and an air outlet of the vacuumized cavity are provided with a first valve and a second valve respectively, and the capacity of the pre-vacuumizing tank is not smaller than half of the capacity of the vacuumized cavity. According to the pre-vacuumizing device, vacuumizing time can be shortened, and vacuumizing efficiency is improved; the pre-vacuumizing device is composed of the vacuum pump and the pre-vacuumzing tank, is simple in structure, easy and convenient to use, easy to maintain and overhaul, long in service life and good in adaptability in the field where air needs to be sucked to achieve a vacuum state.
Description
Technical field
The utility model relates to a kind of forvacuum device, belongs to vacuum equipment technical field.
Background technique
All exist a lot of extracting gases to obtain the demand of vacuum in fields such as machinery, chemical industry, Cryo Equipment, medicine, food, industrial furnace, electron trade, vacuum equipment, chemical fertilizer, metallurgy, oil, mine, thermoelectricitys.But the tank body volumes such as the retort in chemical industry, industrial furnace and vacuum equipment are larger, accordingly for the degree of vacuum that reaches service condition need to vacuumize for a long time, vacuumize efficiency lower, therefore a kind of pumpdown time that can shorten vacuum pumping device of research and design, the forvacuum device that raising vacuumizes efficiency just seems very necessary, and tool has very important significance.
Model utility content
The purpose of this utility model is to provide a kind of pumpdown time that can shorten vacuum pumping device, improves the forvacuum device that vacuumizes efficiency.
The technical solution of the utility model is: a kind of forvacuum device, comprise vacuum pump, take out tank and taken out cavity in advance, the intakeport of described vacuum pump interconnects by pipeline respectively with taking out in advance tank and taken out cavity, the pipeline at the intakeport place of described vacuum pump is provided with safety check, and the described air outlet place of taking out in advance the enter/air outlet of tank and being taken out cavity is respectively equipped with the half that the volume of taking out in advance tank described in valve one, two is not less than the volume of being taken out cavity.
In said structure, the described tank of taking out is in advance that single chamber or multi-cavity are taken out tank in advance, and multi-cavity is taken out in advance and on each cavity of tank, is respectively equipped with into/air outlet, and each enter/air outlet place is provided with valve.
In said structure, described vacuum pump be in water ring pump, chip select pump, reciprocating pump any.
Further, described vacuum pump is water ring pump, the cooling water source of water ring pump is communicated with its water intake by intake pipe, the circulating water pool of water ring pump is communicated with its water outlet by outlet pipe, described intake pipe is provided with inlet valve and flow control valve, and the relief opening of described water ring pump is by outlet pipe exhaust.
Of the present utility model have beneficial effect be fruit:
The utility model forvacuum device can shorten the pumpdown time of vacuum pumping device, improves and vacuumizes efficiency; This forvacuum device is by vacuum pump and take out in advance tank and form, simple in structure, easy to use, is easy to repair and maintenance, and long service life has good adaptability needing extracting gases to obtain in the field of vacuum.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment one and embodiment's two structural representation;
Fig. 2 is the utility model embodiment three structural representation;
Fig. 3 is the utility model embodiment four structural representation;
Fig. 4 is the utility model embodiment five structural representation.
In figure, 70, vacuum pump, 71, take out tank in advance, 72, valve one, 73, valve two, 74, taken out cavity, 75, circulating water pool, 76, water ring pump, 77, flow control valve, 78, inlet valve, 79, cooling water source, 80, safety check, 81, outlet pipe.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail:
Embodiment one: referring to Fig. 1, a kind of forvacuum device, comprise vacuum pump 70, take out tank 71 and taken out cavity 74 in advance, the intakeport of described vacuum pump 70 interconnects by pipeline respectively with taking out in advance tank 71 and taken out cavity 74, the pipeline at the intakeport place of described vacuum pump 70 is provided with safety check 80, the described air outlet place of taking out in advance the enter/air outlet of tank 71 and being taken out cavity is respectively equipped with valve one, 2 72,73, take out in advance tank 71 and take out in advance tank for single chamber, the described volume of taking out in advance tank 71 is greater than the half of the volume of being taken out cavity 74.
Using method of the present utility model:
Usage one: first, open the valve 1 at the import/export place of taking out in advance tank 71, and the valve 2 73 of closing the import/export place of being taken out cavity 74, start vacuum pump 70, vacuum pump 70 is to taking out in advance tank 72 and vacuumize and keeping certain hour, throttle down 1 and vacuum pump 70, now, take out in advance and in tank cavity, have certain degree of vacuum; Then open valve 2 73 and valve 1, take out in advance tank 71 and vacuumized taking out cavity 74 inside, now, taken out cavity 74 inside and there is certain degree of vacuum.Taken out cavity 74 and vacuumize the required time by vacuum system and can greatly shorten, thereby improved the efficiency vacuumizing.
Usage two: directly utilize vacuum pump 70 to being carried out forvacuum by being taken out cavity 74, first valve 2 73 is opened, start vacuum pump 70, vacuum pump 70 is to being taken out cavity 74 and vacuumize and keeping certain hour; Then, throttle down 2 73 and vacuum pump 70, now, taken out and in cavity 74, had certain degree of vacuum, and it vacuumizes the required time by vacuum system and can greatly shorten, thereby improves the efficiency vacuumizing.
Embodiment two: referring to Fig. 1, embodiment two is basic identical with embodiment's one structure, and something in common does not repeat, and difference is: the described volume of taking out in advance tank 71 equals the half of the volume of being taken out cavity 74.
Implement three: referring to Fig. 2, embodiment three is basic identical with embodiment's one structure, in figure, same numeral represents that meaning is identical, something in common does not repeat, difference is: the described tank 71 of taking out is in advance taken out tank in advance for multi-cavity, this multi-cavity is taken out in advance and on each cavity of tank, is respectively equipped with into/air outlet, and each enter/air outlet place is provided with valve.
Embodiment four: referring to Fig. 3, embodiment four is basic identical with embodiment's one structure, in figure, same numeral represents that meaning is identical, something in common does not repeat, difference is: described vacuum pump 70 is water ring pump, and the cooling water source 79 of water ring pump 76 is communicated with its water intake by intake pipe, and the circulating water pool 75 of water ring pump 76 is communicated with its water outlet by outlet pipe, described intake pipe is provided with inlet valve 78 and flow control valve 77, and the relief opening of described water ring pump 76 is by outlet pipe 81 exhausts.
Embodiment five: referring to Fig. 4, embodiment five is basic identical with embodiment's four structures, in figure, same numeral represents that meaning is identical, something in common does not repeat, difference is: the described tank 71 of taking out is in advance taken out tank in advance for multi-cavity, this multi-cavity is taken out in advance and on each cavity of tank, is respectively equipped with into/air outlet, and each enter/air outlet place is provided with valve.
Embodiment six: figure does not draw, and embodiment six is basic identical with embodiment's one structure, and something in common does not repeat, and difference is: described vacuum pump 70 is sliding vane rotary pump or reciprocating pump.
Above embodiment is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improve, within all should being included in protection domain of the present utility model.
Claims (4)
1. a forvacuum device, comprise vacuum pump (70), take out tank (71) and taken out cavity (74) in advance, it is characterized in that: the intakeport of described vacuum pump (70) interconnects by pipeline respectively with taking out in advance tank (71) and taken out cavity (74), the pipeline at the intakeport place of described vacuum pump (70) is provided with safety check (80), the described air outlet place of taking out in advance the enter/air outlet of tank (71) and being taken out cavity is respectively equipped with valve one, two (72,73), and the described volume of taking out in advance tank (71) is not less than the half of the volume of being taken out cavity (74).
2. forvacuum device according to claim 1, is characterized in that: the described tank (71) of taking out is in advance taken out tank in advance for single chamber or multi-cavity, and multi-cavity is taken out in advance and on each cavity of tank, is respectively equipped with into/air outlet, and each enter/air outlet place is provided with valve.
3. forvacuum device according to claim 1, is characterized in that: described vacuum pump (70) be in water ring pump, chip select pump, reciprocating pump any.
4. forvacuum device according to claim 3, it is characterized in that: described vacuum pump (70) is water ring pump, the cooling water source (79) of water ring pump (76) is communicated with its water intake by intake pipe, the circulating water pool (75) of water ring pump (76) is communicated with its water outlet by outlet pipe, described intake pipe is provided with inlet valve (78) and flow control valve (77), and the relief opening of described water ring pump (76) is by outlet pipe (81) exhaust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763348.7U CN203670134U (en) | 2013-11-28 | 2013-11-28 | Pre-vacuumizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763348.7U CN203670134U (en) | 2013-11-28 | 2013-11-28 | Pre-vacuumizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670134U true CN203670134U (en) | 2014-06-25 |
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ID=50966438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320763348.7U Expired - Fee Related CN203670134U (en) | 2013-11-28 | 2013-11-28 | Pre-vacuumizing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203670134U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927510A (en) * | 2016-06-30 | 2016-09-07 | 苏州新智机电工业有限公司 | Online efficient vacuum operation system |
| CN106328476A (en) * | 2016-11-02 | 2017-01-11 | 江苏微导纳米装备科技有限公司 | Device and method for conducting vacuumizing in accelerated mode by means of vacuum tank |
| CN107648625A (en) * | 2017-09-13 | 2018-02-02 | 浙江大学 | The pulsation vacuum sterilizer and method of efficient High Availabitity |
| CN107715130A (en) * | 2017-09-13 | 2018-02-23 | 浙江大学 | The pulsation vacuum sterilizer and method that the internal pot of vacuum tank backing vacuum pump vacuumizes |
-
2013
- 2013-11-28 CN CN201320763348.7U patent/CN203670134U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927510A (en) * | 2016-06-30 | 2016-09-07 | 苏州新智机电工业有限公司 | Online efficient vacuum operation system |
| CN106328476A (en) * | 2016-11-02 | 2017-01-11 | 江苏微导纳米装备科技有限公司 | Device and method for conducting vacuumizing in accelerated mode by means of vacuum tank |
| CN107648625A (en) * | 2017-09-13 | 2018-02-02 | 浙江大学 | The pulsation vacuum sterilizer and method of efficient High Availabitity |
| CN107715130A (en) * | 2017-09-13 | 2018-02-23 | 浙江大学 | The pulsation vacuum sterilizer and method that the internal pot of vacuum tank backing vacuum pump vacuumizes |
| CN107648625B (en) * | 2017-09-13 | 2020-01-07 | 浙江大学 | High efficiency, high availability pulse vacuum sterilizer and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20211128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |