CN209145880U - A kind of Roots's screw vacuum unit - Google Patents
A kind of Roots's screw vacuum unit Download PDFInfo
- Publication number
- CN209145880U CN209145880U CN201821613897.5U CN201821613897U CN209145880U CN 209145880 U CN209145880 U CN 209145880U CN 201821613897 U CN201821613897 U CN 201821613897U CN 209145880 U CN209145880 U CN 209145880U
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- pump
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- roots vaccum
- roots
- vaccum pump
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Abstract
The utility model relates to a kind of Roots's screw vacuum units, including screw vacuum pump, level-one Roots vaccum pump, second level Roots vaccum pump, control cabinet, level-one Roots vaccum pump is connected to second level Roots vaccum pump, and second level Roots vaccum pump is connected to screw vacuum pump, and screw vacuum pump gas outlet is externally vented.Level-one Roots vaccum pump and second level Roots vaccum pump are gas circulating cooling type Roots vaccum pump.Control cabinet controls the switch of entire vacuum pump set, and motor is low power consumption variable-frequency motor.Filter and pressure difference transmitter are installed before level-one Roots vaccum pump.There are cooler, temperature transmitter between second level Roots vaccum pump and screw vacuum pump.Tail gas recycle capturing device and silencer are installed on the gas outlet of screw vacuum pump.The utility model integrates the advantages of screw vacuum pump and Roots vaccum pump, not only can high vacuum rectification, but also be able to achieve solvent recovery, material operating.Of simple structure and low cost, low noise, vacuum degree be high, vdiverse in function, high-efficiency environment friendly.
Description
Technical field
The utility model relates to vacuum pump set technical field more particularly to a kind of Roots's screw vacuum units.
Background technique
With chemical industry, the vacuum processing work of the solvent recovery of pharmaceutical industry and the high-tech products such as semiconductor and microelectronic industry
The rapid growth of skill demand.A kind of traditional vacuum pump is unable to satisfy the vacuum needs in the production process to become increasingly complex, needs
Multi-group vacuum pump is installed, the vacuum pump of different function is combined transformation, forms a combined vacuum unit, so that it may which collection is not
With being the whole body the advantages of vacuum pump, multi-functional vacuum needs are provided.
Screw vacuum pump is mainly used in the vacuum technology process of high-purity, and vacuum degree is high, is suitable for bad working environments, tool
There are extraction solidifying property, the ability of the gas containing particulate matter, particularly suitable for clean environment, and the preservative treatment that is easy to do, it is traditional vacuum
The renewal product of pump, future have great market prospects.
Roots vaccum pump is to obtain one of main air-extractor of middle and high vacuum pump at present, great advantage be it is lower enter
The speed of exhaust with higher under mouth pressure, and can achieve relatively high ultimate vacuum, which stablizes, and uses
Service life is long, and maintenance cost is small.
Screw vacuum pump is combined transformation with Roots vaccum pump by the utility model, obtains a kind of vacuum pump set, and collection screw rod is true
The advantages of sky pump and Roots vaccum pump, can not only carry out high vacuum rectification, but also be able to achieve the fortune of the recycling of solvent, material
Turn.A variety of vacuum requirements in a workshop, efficient and environment-friendly energy conservation can be met.
Utility model content
The purpose of this utility model is to overcome deficiency in the prior art, provide it is a kind of it is of simple structure and low cost,
Roots's screw vacuum unit that low noise, vacuum degree are high, vdiverse in function, colleges and universities are environmentally friendly.
To achieve the above object, the utility model is achieved through the following technical solutions:
The utility model has the beneficial effects that a kind of Roots's screw vacuum unit, including screw vacuum pump, level-one Roots vacuum
Pump, second level Roots vaccum pump, control cabinet, it is characterised in that: the gas outlet of the level-one Roots vaccum pump passes through pipeline connection extremely
The gas outlet of the air inlet of second level Roots vaccum pump, the second level Roots vaccum pump is connected to the air inlet of screw vacuum pump by the road
Mouthful, the gas outlet of the screw vacuum pump is externally vented；The level-one Roots vaccum pump and second level Roots vaccum pump follow for gas
Ring cooled Roots vaccum pump；The screw vacuum pump is passed through circulating water cooling, and recirculated water return water installs water flow switch and vacuum additional
Pump interlocking, forms internal water circulation cooling system；The control cabinet controls the switch of entire vacuum pump set, and motor is low power consumption change
Frequency motor.
Further, filter and pressure difference transmitter, the pressure are installed before the air inlet of the level-one Roots vaccum pump
Poor transmitter is connected with vacuum meter.
Further, cooler, temperature are in series on the pipeline between the second level Roots vaccum pump and screw vacuum pump
Transmitter.
Further, tail gas recycle capturing device and silencer are installed on the gas outlet of the screw vacuum pump, it is described
Tail gas recycle capturing device includes shell, condenser pipe, whirlwind deflector, filter screen, stainless steel receiving tank.
Detailed description of the invention
Fig. 1 is a kind of process flow chart of Roots's screw vacuum unit of the utility model.
In figure: 1, screw vacuum pump, 2, level-one Roots vaccum pump, 3, second level Roots vaccum pump, 4, filter, 5, pressure difference change
Send device, 6, cooler, 7, temperature transmitter, 8, tail gas recycle capturing device, 9, silencer, 10, vacuum meter.
Specific embodiment
The utility model is described in further detail below in conjunction with drawings and examples, but the embodiment should not manage
The advantages of solution is limitations of the present invention, only for example, while by illustrating, the utility model will become more clear
It Chu and is readily appreciated that.
A kind of Roots's screw vacuum unit, including screw vacuum pump 1, level-one Roots vaccum pump 2, second level Roots vaccum pump 3,
Control cabinet.The gas outlet of level-one Roots vaccum pump 2 passes through air inlet of the pipeline connection to second level Roots vaccum pump 3, second level Roots
The gas outlet of vacuum pump 3 is connected to the air inlet of screw vacuum pump 1 by the road, and the gas outlet of screw vacuum pump 1 is externally vented.One
Grade Roots vaccum pump 2 and second level Roots vaccum pump 3 are gas circulating cooling type Roots vaccum pump.Screw vacuum pump 1 is passed through circulation
Water cools down, and recirculated water return water installs water flow switch additional and vacuum pump interlocks, and forms internal water circulation cooling system, does not need outside
Add water water replanishing device, realizes energy-saving and emission-reduction.
Control cabinet controls the switch of entire vacuum pump set, and motor is low power consumption variable-frequency motor.
Filter 4 and pressure difference transmitter 5 are installed, pressure difference transmitter 5 connects before the air inlet of level-one Roots vaccum pump 2
There is vacuum meter 10.Cooler 6, temperature transmitter 7 are in series on pipeline between second level Roots vaccum pump 3 and screw vacuum pump 1.
Tail gas recycle capturing device 8 and silencer 9, tail gas recycle trapping dress are installed on the gas outlet of screw vacuum pump 1
Setting 8 includes shell, condenser pipe, whirlwind deflector, filter screen, stainless steel receiving tank.Particulate matter in pumped gas can be carried out
It is secondary overanxious, and condensable gas is condensed into liquid and is recycled, the direct emission of toxic and harmful gas can be prevented in this way.It is surplus
Remaining air is discharged into atmosphere again after 9 noise reduction of silencer.
The advantages of a kind of Roots's screw vacuum unit of the utility model collects screw vacuum pump 1 and Roots vaccum pump is in one
Body can not only carry out high vacuum rectification, but also be able to achieve the operating of the recycling of solvent, material.Of simple structure and low cost, low noise
Sound, vacuum degree be high, vdiverse in function, high-efficiency environment friendly.
Claims (4)
1. a kind of Roots's screw vacuum unit, including screw vacuum pump, level-one Roots vaccum pump, second level Roots vaccum pump, control
Cabinet, it is characterised in that: the gas outlet of the level-one Roots vaccum pump passes through the air inlet of pipeline connection to second level Roots vaccum pump,
The gas outlet of the second level Roots vaccum pump is connected to the air inlet of screw vacuum pump, the outlet of the screw vacuum pump by the road
Mouth externally exhaust；The level-one Roots vaccum pump and second level Roots vaccum pump are gas circulating cooling type Roots vaccum pump；It is described
Screw vacuum pump is passed through circulating water cooling, and recirculated water return water installs water flow switch additional and vacuum pump interlocks, and forms internal water circulation drop
Warm system；The control cabinet controls the switch of entire vacuum pump set, and motor is low power consumption variable-frequency motor.
2. Roots's screw vacuum unit according to claim 1, it is characterised in that: the level-one Roots vaccum pump into
Filter and pressure difference transmitter are installed, the pressure difference transmitter is connected with vacuum meter before port.
3. Roots's screw vacuum unit according to claim 1, it is characterised in that: the second level Roots vaccum pump and spiral shell
Cooler, temperature transmitter are in series on pipeline between bar vacuum pump.
4. Roots's screw vacuum unit according to claim 1, it is characterised in that: the gas outlet of the screw vacuum pump
On tail gas recycle capturing device and silencer are installed, the tail gas recycle capturing device includes shell, condenser pipe, whirlwind water conservancy diversion
Plate, filter screen, stainless steel receiving tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613897.5U CN209145880U (en) | 2018-09-30 | 2018-09-30 | A kind of Roots's screw vacuum unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613897.5U CN209145880U (en) | 2018-09-30 | 2018-09-30 | A kind of Roots's screw vacuum unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209145880U true CN209145880U (en) | 2019-07-23 |
Family
ID=67268638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821613897.5U Active CN209145880U (en) | 2018-09-30 | 2018-09-30 | A kind of Roots's screw vacuum unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209145880U (en) |
-
2018
- 2018-09-30 CN CN201821613897.5U patent/CN209145880U/en active Active
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