CN202690445U - Vacuum unit - Google Patents
Vacuum unit Download PDFInfo
- Publication number
- CN202690445U CN202690445U CN 201220341311 CN201220341311U CN202690445U CN 202690445 U CN202690445 U CN 202690445U CN 201220341311 CN201220341311 CN 201220341311 CN 201220341311 U CN201220341311 U CN 201220341311U CN 202690445 U CN202690445 U CN 202690445U
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- shell
- air
- water
- vacuum unit
- tubular shell
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Abstract
The utility model discloses a vacuum unit which comprises a chassis as well as multiple pump bodies and a gas-liquid separator arranged on the chassis, wherein each pump body and the gas-liquid separator are mutually connected in series through a connecting pipeline, and a condenser is arranged among the pump bodies and a device to be pumped. The structure is adopted, air which is from the device to be pumped is cooled, the volume is reduced, and a pump body with small sucking rate is arranged; and the manufacturing cost of the vacuum unit is lowered and the device to be pumped or a system with larger sucking rate is subjected to effective reliable evacuation.
Description
Technical field
The utility model relates to a kind of vacuum unit.
Background technique
Often need to be under vacuum condition in chemical industry, food, medicine and other fields to material distill, the operations such as crystallization, drying, to guarantee the characteristic of material.At present, scheme commonly used is to link to each other with operation equipment with the vacuum unit, by the vacuum unit operation equipment is carried out rapid vacuumizing, simultaneously in operation to material distill, the operations such as crystallization or drying.But for rate of air sucked in required larger treat air extractor, be the degree of vacuum that guarantees operation equipment, therefore need select the larger pump housing of some rates of air sucked in required to consist of the vacuum unit or a plurality of vacuum unit is used in conjunction just and can be effective, therefore increase cost of production and operation inconvenience.
Summary of the invention
The purpose of this utility model provides and a kind ofly is made of the little pump housing of rate of air sucked in required, and the vacuum unit that can carry out vacuum pumping to the larger operation equipment of rate of air sucked in required reduces the cost of production of vacuum unit.
For achieving the above object, the utility model has adopted following technological scheme: a kind of vacuum unit, comprise a plurality of pump housings and the gas-liquid separator that arrange on frame and the frame, described each pump housing, gas-liquid separator are connected in series mutually by connecting pipeline, it is characterized in that: the described pump housing and treat to be provided with between the air extractor condenser.
The beneficial effects of the utility model are: after adopting said structure, from treating in the air extractor that gas out is cooled, volume reduces, thereby the pump housing of less rate of air sucked in required is set, reduces the cost of production of vacuum unit and rate of air sucked in required larger treat air extractor or system are vacuumized effectively reliably.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2,3 is the structural representation of cooler;
Fig. 4 is the structural representation of air-flow buffer plate;
Fig. 5 is system architecture schematic diagram of the present utility model.
Embodiment
The purpose of this utility model provides and a kind ofly is comprised of the little rate of air sucked in required pump housing, can carry out the vacuum unit that effectively vacuumizes reliably to the air extractor 20 for the treatment of of large rate of air sucked in required, its scheme of taking is shown in Fig. 1,5, a kind of vacuum unit, comprise a plurality of pump housings and the gas-liquid separator 15 that arrange on frame 10 and the frame 10, described each pump housing, gas-liquid separator 15 are connected in series mutually by connecting pipeline, the described pump housing and treat to be provided with between the air extractor 20 condenser 12.The described pump housing comprises the first Roots pump 11, the second Roots pump 13 and the water ring pump 14 that sets gradually along the air outlet for the treatment of air extractor, described gas-liquid separator 15 links to each other with the air outlet of water ring pump 14, and described condenser 12 is arranged between first and second Roots pump 11,13.Described condenser 12 comprises housing, and the corresponding both sides of described housing are respectively equipped with suction tude joint 121 and steam outlet pipe joint 122, and described inlet, outlet pipe joint 121,122 all is connected with the housing inner cavity, in the described housing cavity cooling unit is set.By between first and second Roots pump 11,13 cooler 12 being set, by cooler 12 cooling actions, gas volume reduces like this, and it is less that such the second Roots pump 13, water ring pump 14 just can arrange, and reduces the cost of production of vacuum unit.
Concrete scheme such as Fig. 2, shown in 3, described housing comprises the two halves spherical shell 12b that tubular shell 12a and tubular shell 12a two ends place arrange, be provided with dividing plate 125 between described two halves spherical shell 12b and the tubular shell 12a, described dividing plate 125 is separated into Three regions with the enclosure interior cavity, described cooling unit comprises the water-cooling tube 126 of 125 parallel arrangements of two dividing plates, the pipe range direction of described water-cooling tube 126 is consistent with the shell length direction, and the two ends head of each water-cooling tube 126 all is fixed in the fixed hole of offering on two dividing plates 125, the outer wall of described water-cooling tube 126, the chamber that tubular shell 12a and two dividing plates 125 consist of with advance, titting water outlet 123,124 are connected, fill hose joint 123 and the titting water outlet 124 of cooling water are set respectively on the described two halves spherical shell 12b, described two ends hemispherical shell 12b, the chamber that two dividing plates 125 and water-cooling tube 126 inwalls consist of with advance, titting water outlet 123,124 are connected, described suction tude joint 121 is positioned at the end setting near titting water outlet 124, and steam outlet pipe joint 123 is positioned at the end setting near fill hose joint 123.The utility model adopts shell and tube cooler that gas is cooled off, good cooling results, here said hemispherical shell 12b can be the housing of more than half/smaller part ball-type or elliposoidal, interconnects by flange between other assemblies and each housing on each pipe joint and the vacuum unit.
More specifically scheme is, described tubular shell 12a inside is provided with spaced apart air-flow buffer plate 127, described adjacent air-flow buffer plate 127 is connected with the upper and lower sides shell wall of tubular shell 12a respectively and consists of the circuitous shape path of gas flow with the shell wall of tubular shell 12a, and the plate face of described air-flow buffer plate 127 is arranged perpendicular to water-cooling tube 126 pipe range directions.Plate face semicircular in shape or the large semi-circular of described air-flow buffer plate 127, the shell wall Joint of the arc-shaped side of described air-flow buffer plate 127 and tubular shell 12a, the middle part of the arc-shaped side of the air-flow buffer plate 127 of described and tubular shell 12a downside shell wall Joint is provided with vacancy section or through hole, as shown in Figure 4.The downside of described two halves spherical shell 12b is respectively equipped with sewage draining exit 128, and the downside of described tubular shell 12a is provided with fixed support fixed support 129.By the effect of air-flow buffer plate 127 so that gas fully carries out sufficient heat exchange with water-cooling tube 126 in housing, be reduced so that the volume of gas is maximized, the reliability that guarantees the subsequent pump running body with treat the reliability that air extractor 20 vacuumizes.Vacancy section 127 ' is offered at the arc-shaped edges middle part of air-flow buffer plate 127, because of the higher component of some freezing points in the gas, will in cooler, be condensed into liquid, the vacancy section that arranges with the middle part of the arc-shaped side of the air-flow buffer plate 127 of tubular shell 12a downside shell wall Joint like this will consist of the path that condensed fluid flows with shell wall, so that the liquid of aftercooler 12 interior condensations can be discharged with gas outlet joint 122, avoid affecting the cooling of 12 pairs of gases of cooler.In a word, the utility model can realize that the little rate of air sucked in required pump housing vacuumizes reliably to the air extractor 20 for the treatment of of the demand of bleeding greatly.
Claims (7)
1. vacuum unit, comprise upper a plurality of pump housings and the gas-liquid separator (15) that arranges of frame (10) and frame (10), described each pump housing, gas-liquid separator (15) are connected in series mutually by connecting pipeline, it is characterized in that: the described pump housing and treat to be provided with between the air extractor (20) condenser (12).
2. vacuum unit as claimed in claim 1, it is characterized in that: the described pump housing comprises the first Roots pump (11), the second Roots pump (13) and the water ring pump (14) that sets gradually along the air outlet for the treatment of air extractor, described gas-liquid separator (15) links to each other with the air outlet of water ring pump (14), and described condenser (12) is arranged between first and second Roots pump (11,13).
3. vacuum unit as claimed in claim 1 or 2, it is characterized in that: described condenser (12) comprises housing, the corresponding both sides of described housing are respectively equipped with suction tude joint (121) and steam outlet pipe joint (122), described inlet, outlet pipe joint (121,122) all is connected with the housing inner cavity, in the described housing cavity cooling unit is set.
4. vacuum unit as claimed in claim 3, it is characterized in that: described housing comprises the two halves spherical shell (12b) that tubular shell (12a) and tubular shell (12a) two ends place arrange, be provided with dividing plate (125) between described two halves spherical shell (12b) and the tubular shell (12a), described dividing plate (125) is separated into Three regions with the enclosure interior cavity, described cooling unit comprises the water-cooling tube (126) of parallel arrangement between two dividing plates (125), the pipe range direction of described water-cooling tube (126) is consistent with the shell length direction, and the two ends head of each water-cooling tube (126) all is fixed in the fixed hole of offering on two dividing plates (125), the outer wall of described water-cooling tube (126), the chamber that tubular shell (12a) and two dividing plates (125) consist of with advance, titting water outlet (123,124) be connected, fill hose joint (123) and the titting water outlet (124) of cooling water are set respectively on the described two halves spherical shell (12b), described two ends hemispherical shells (12b), the chamber that two dividing plates (125) and water-cooling tube (126) inwall consist of with advance, titting water outlet (123,124) be connected, described suction tude joint (121) is positioned at the end setting near titting water outlet (124), and steam outlet pipe joint (123) is positioned at the end setting near fill hose joint (123).
5. vacuum unit as claimed in claim 4, it is characterized in that: described tubular shell (12a) inside is provided with spaced apart air-flow buffer plate (127), described adjacent air-flow buffer plate (127) is connected with the upper and lower sides shell wall of tubular shell (12a) respectively and consists of the circuitous shape path of gas flow with the shell wall of tubular shell (12a), and the plate face of described air-flow buffer plate (127) is arranged perpendicular to water-cooling tube (126) pipe range direction.
6. vacuum unit as claimed in claim 5, it is characterized in that: plate face semicircular in shape or the large semi-circular of described air-flow buffer plate (127), the shell wall Joint of the arc-shaped side of described air-flow buffer plate (127) and tubular shell (12a), the middle part of the arc-shaped side of the air-flow buffer plate (127) of described and tubular shell (12a) downside shell wall Joint is provided with vacancy section (127 ') or through hole.
7. vacuum unit as claimed in claim 4, it is characterized in that: the downside of described two halves spherical shell (12b) is respectively equipped with sewage draining exit (128), and the downside of described tubular shell (12a) is provided with fixed support (129).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220341311 CN202690445U (en) | 2012-07-13 | 2012-07-13 | Vacuum unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220341311 CN202690445U (en) | 2012-07-13 | 2012-07-13 | Vacuum unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202690445U true CN202690445U (en) | 2013-01-23 |
Family
ID=47546071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220341311 Expired - Fee Related CN202690445U (en) | 2012-07-13 | 2012-07-13 | Vacuum unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202690445U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741169A (en) * | 2017-09-29 | 2018-02-27 | 浙江海洋大学 | A kind of solar energy gravity assisted heat pipe vacuum liquid filling device |
| CN109441818A (en) * | 2018-12-04 | 2019-03-08 | 江阴爱尔姆真空设备有限公司 | A kind of two-stage air cooling Roots's liquid ring vacuum unit |
| US11320036B2 (en) | 2019-09-23 | 2022-05-03 | Ovg Vacuum Technology (Shanghai) Co., Ltd | Transmission structure of motor connection of roots pump |
| US11339783B2 (en) | 2019-09-23 | 2022-05-24 | OVG Vacuum Technology (Shanghai) Co., Ltd. | Pump housing structure of three-axis multi-stage Roots pump |
| US11441564B2 (en) | 2019-09-23 | 2022-09-13 | OVG Vacuum Technology (Shanghai) Co., Ltd. | Driving structure of three-axis multi-stage roots pump |
| US11608829B2 (en) | 2019-10-10 | 2023-03-21 | OVG Vacuum Technology (Shanghai) Co., Ltd. | Structure of rotor connection of multi-axial multi-stage roots pump |
-
2012
- 2012-07-13 CN CN 201220341311 patent/CN202690445U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741169A (en) * | 2017-09-29 | 2018-02-27 | 浙江海洋大学 | A kind of solar energy gravity assisted heat pipe vacuum liquid filling device |
| CN109441818A (en) * | 2018-12-04 | 2019-03-08 | 江阴爱尔姆真空设备有限公司 | A kind of two-stage air cooling Roots's liquid ring vacuum unit |
| US11320036B2 (en) | 2019-09-23 | 2022-05-03 | Ovg Vacuum Technology (Shanghai) Co., Ltd | Transmission structure of motor connection of roots pump |
| US11339783B2 (en) | 2019-09-23 | 2022-05-24 | OVG Vacuum Technology (Shanghai) Co., Ltd. | Pump housing structure of three-axis multi-stage Roots pump |
| US11441564B2 (en) | 2019-09-23 | 2022-09-13 | OVG Vacuum Technology (Shanghai) Co., Ltd. | Driving structure of three-axis multi-stage roots pump |
| US11608829B2 (en) | 2019-10-10 | 2023-03-21 | OVG Vacuum Technology (Shanghai) Co., Ltd. | Structure of rotor connection of multi-axial multi-stage roots pump |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20180713 |