CN205370975U - Ventilation type roots vacuum pump - Google Patents
Ventilation type roots vacuum pump Download PDFInfo
- Publication number
- CN205370975U CN205370975U CN201620062349.2U CN201620062349U CN205370975U CN 205370975 U CN205370975 U CN 205370975U CN 201620062349 U CN201620062349 U CN 201620062349U CN 205370975 U CN205370975 U CN 205370975U
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- CN
- China
- Prior art keywords
- liquid separator
- pump housing
- pump body
- vapour
- vacuum pump
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a ventilation type roots vacuum pump, including the pump body, transversely be equipped with the rotor of two reverse synchronous revolutions in the pump body, the top of the pump body is equipped with the air -supply line, and the bottom of the pump body is equipped with the exhaust pipe, is equipped with vapour and liquid separator on the exhaust pipe, and one side of vapour and liquid separator is equipped with the outlet pipe, is equipped with the water cooler on being located the exhaust pipe between the vapour and liquid separator and the pump body, is equipped with spiral helicine condenser tube in the water cooler, and the bilateral symmetry that is located the exhaust pipe of vapour and liquid separator below is equipped with back flow, back flow and pump body intercommunication. The utility model discloses a gas after water cooler and vapour and liquid separator cyclic utilization handle can reach anticipated cooling effect, again can reduce cost, and simultaneously, the cushion chamber can effectively reduce the noise that the during operation produced, uses extensively, and work efficiency is high.
Description
Technical field
This utility model belongs to vacuum pump technology field, particularly relates to a kind of air-cooled Roots vacuum pump.
Background technology
Air-cooled Roots vacuum pump is a kind of rotary positive-displacement pump, and because it has, startup is fast, drive the advantages such as little, the compact conformation of power, is widely used in fields such as metallurgy, petrochemical industry, papermaking, food and electron trades in recent years.Generally running under High Pressure Difference due to air-cooled Roots vacuum pump, it is easy to cause the periodically pulsing of air-flow, and with bigger noise, meanwhile, cryogenic gas is introduced from outside into, connect installation comparatively laborious, cost is also relatively larger.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple and reasonable, easy for installation, and can effectively reduce the air-cooled Roots vacuum pump of noise.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of air-cooled Roots vacuum pump, including the pump housing, being transversely provided with the rotor that two reverse sync rotate in the pump housing, the top of the pump housing is provided with blast pipe, and the bottom of the pump housing is provided with exhaust duct, exhaust duct is provided with gas-liquid separator, the side of gas-liquid separator is provided with outlet pipe, and the exhaust duct between gas-liquid separator and the pump housing is provided with water cooler, is provided with spiral helicine cooling water pipe in water cooler, being positioned at the return duct that is symmetrically arranged on two with of the exhaust duct below gas-liquid separator, return duct connects with the pump housing.
Described return duct is provided with control valve.
The position of described pump housing correspondence return duct is provided with cushion chamber.
The described pump housing is metal material.
Compared with prior art, the utility model has the advantages that: this utility model recycles the gas after process by water cooler and gas-liquid separator, intended cooling effect can be reached, cost can be reduced again, simultaneously, the noise that cushion chamber produces when can effectively reduce work, is widely used, and work efficiency is high.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Wherein, 1, the pump housing, 2, rotor, 3, blast pipe, 4, exhaust duct, 5, water cooler, 51, cooling water pipe, 6, gas-liquid separator, 61, outlet pipe, 7, control valve, 8, cushion chamber, 9, return duct.
Detailed description of the invention:
As shown in Figure 1, a kind of air-cooled Roots vacuum pump, the pump housing 1 including metal material, the rotor 2 that two reverse sync rotate it is transversely provided with in the pump housing 1, the top of the pump housing 1 is provided with blast pipe 3, the bottom of the pump housing 1 is provided with exhaust duct 4, exhaust duct 4 is provided with gas-liquid separator 6, the side of gas-liquid separator 6 is provided with outlet pipe 61, exhaust duct 4 between gas-liquid separator 6 and the pump housing 1 is provided with water cooler 5, spiral helicine cooling water pipe 51 it is provided with in water cooler 5, what be positioned at the exhaust duct 4 below gas-liquid separator 6 is symmetrically arranged on two with return duct 9, return duct 9 connects with the pump housing 1.
Air-cooled Roots vacuum pump of the present utility model is operationally, high-temperature gas enters in the pump housing 1 from blast pipe 3, discharged from exhaust duct 4 by rotor 2, before discharge, water cooler 5 and gas-liquid separator 6 need to be sequentially passed through, being discharged from outlet pipe 61 containing assorted liquid by what water cooler 5 was condensed out by gas-liquid separator 6, thus reaching to purify purpose, reducing the pollution to environment.In order to reach the purpose of air cooling, being provided with return duct 9 on exhaust duct 4, return duct 9 recycles the cryogenic gas in exhaust duct 4, thus reaching energy-conservation purpose.
In this utility model, return duct 9 is provided with control valve 7, controls the flow of cryogenic gas in return duct 9 by controlling valve 7, and the flow of cryogenic gas is directly proportional to the temperature of the high-temperature gas entered from blast pipe 3；The position of the corresponding return duct 9 of the pump housing 1 is provided with cushion chamber 8, reduces pressure reduction by cushion chamber 8, reduces the noise produced in work process.
Claims (4)
1. an air-cooled Roots vacuum pump, it is characterized in that: include the pump housing, the rotor that two reverse sync rotate it is transversely provided with in the described pump housing, the top of the described pump housing is provided with blast pipe, the bottom of the described pump housing is provided with exhaust duct, described exhaust duct is provided with gas-liquid separator, the side of described gas-liquid separator is provided with outlet pipe, exhaust duct between described gas-liquid separator and the pump housing is provided with water cooler, spiral helicine cooling water pipe it is provided with in described water cooler, what be positioned at the exhaust duct below described gas-liquid separator is symmetrically arranged on two with return duct, described return duct connects with the pump housing.
2. a kind of air-cooled Roots vacuum pump according to claim 1, it is characterised in that: described return duct is provided with control valve.
3. a kind of air-cooled Roots vacuum pump according to claim 1, it is characterised in that: the position of described pump housing correspondence return duct is provided with cushion chamber.
4. a kind of air-cooled Roots vacuum pump according to claim 1 or 3, it is characterised in that: the described pump housing is metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620062349.2U CN205370975U (en) | 2016-01-22 | 2016-01-22 | Ventilation type roots vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620062349.2U CN205370975U (en) | 2016-01-22 | 2016-01-22 | Ventilation type roots vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205370975U true CN205370975U (en) | 2016-07-06 |
Family
ID=56274139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620062349.2U Expired - Fee Related CN205370975U (en) | 2016-01-22 | 2016-01-22 | Ventilation type roots vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205370975U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246557A (en) * | 2016-08-17 | 2016-12-21 | 中国航天空气动力技术研究院 | Ventilation type vacuum pump set noise-and-vibration-reduction mechanism |
| CN106321441A (en) * | 2016-08-22 | 2017-01-11 | 中国航天空气动力技术研究院 | Self-cleaning cooling structure of Roots vacuum unit |
| CN107420287A (en) * | 2017-06-02 | 2017-12-01 | 四川瑞晟石油设备开发有限公司 | A kind of cooling system for nitrogen compressor |
| CN107559200A (en) * | 2017-11-01 | 2018-01-09 | 广东肯富来泵业股份有限公司 | Balanced type Roots vacuum pumping system and its control method |
| CN108278207A (en) * | 2018-01-23 | 2018-07-13 | 安徽银立方金属科技有限公司 | A kind of ion plating equipment is with applying mechanically Roots vaccum pump |
| CN114857003A (en) * | 2021-01-20 | 2022-08-05 | 上海伊莱茨真空技术有限公司 | Air cooling pump device with air-water mixing cooling mechanism |
| GB2603897A (en) * | 2021-02-12 | 2022-08-24 | Edwards Ltd | Vacuum pump exhaust system |
-
2016
- 2016-01-22 CN CN201620062349.2U patent/CN205370975U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246557A (en) * | 2016-08-17 | 2016-12-21 | 中国航天空气动力技术研究院 | Ventilation type vacuum pump set noise-and-vibration-reduction mechanism |
| CN106321441A (en) * | 2016-08-22 | 2017-01-11 | 中国航天空气动力技术研究院 | Self-cleaning cooling structure of Roots vacuum unit |
| CN106321441B (en) * | 2016-08-22 | 2018-06-01 | 中国航天空气动力技术研究院 | The self-cleaning cooling mechanism of Roots vacuum system |
| CN107420287A (en) * | 2017-06-02 | 2017-12-01 | 四川瑞晟石油设备开发有限公司 | A kind of cooling system for nitrogen compressor |
| CN107559200A (en) * | 2017-11-01 | 2018-01-09 | 广东肯富来泵业股份有限公司 | Balanced type Roots vacuum pumping system and its control method |
| CN107559200B (en) * | 2017-11-01 | 2024-06-14 | 广东肯富来泵业股份有限公司 | Balanced Roots vacuum pump system and control method thereof |
| CN108278207A (en) * | 2018-01-23 | 2018-07-13 | 安徽银立方金属科技有限公司 | A kind of ion plating equipment is with applying mechanically Roots vaccum pump |
| CN114857003A (en) * | 2021-01-20 | 2022-08-05 | 上海伊莱茨真空技术有限公司 | Air cooling pump device with air-water mixing cooling mechanism |
| GB2603897A (en) * | 2021-02-12 | 2022-08-24 | Edwards Ltd | Vacuum pump exhaust system |
| GB2603897B (en) * | 2021-02-12 | 2023-08-16 | Edwards Ltd | Vacuum pump exhaust system |
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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: 20160706 Termination date: 20220122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |