CN203867829U - Novel closed cycle vacuum set - Google Patents
Novel closed cycle vacuum set Download PDFInfo
- Publication number
- CN203867829U CN203867829U CN201420241130.XU CN201420241130U CN203867829U CN 203867829 U CN203867829 U CN 203867829U CN 201420241130 U CN201420241130 U CN 201420241130U CN 203867829 U CN203867829 U CN 203867829U
- Authority
- CN
- China
- Prior art keywords
- pump
- water ring
- filter screen
- roots
- air 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a novel closed cycle vacuum set which comprises a roots pump, an air pump and two stage water ring pump, wherein the roots pump is connected with the air pump through a pipeline; a valve and a check valve are arranged on the pipeline between the roots pump and the air pump; the air pump is connected with the two stage water ring pump through the pipeline; an air inlet is formed in the roots pump; the two stage water ring pump is formed by connecting a water ring pump I with a water ring pump II in series; an air outlet is formed in the water ring pump II. The novel closed cycle vacuum set has the beneficial effects that the structure is compact, the discharging volume is large, the performance is stable, and the service life is long.
Description
Technical field
The utility model relates to vacuum unit, relates in particular to a kind of novel closed-circuit vacuum unit.
Background technique
Can not discharging directly into atmosphere for the Roots pump mechanical booster pump of high vacuum, as discharging directly into atmosphere can cause Roots pump intakeport and relief opening pressure reduction too large, thereby make Roots pump overload, as simple increasing Roots pump power of motor can cause again micro-gap between the overheated so that Roots vacuum pump rotor of Roots pump very soon because thermal expansion is stuck.For guaranteeing that Roots pump can reach high vacuum and must guarantee the gap between Roots vacuum pump rotor.So Roots pump must be provided with fore pump while using, and restarts Roots pump while system internal pressure being evacuated in certain limit with fore pump, so can avoid Roots pump overload.Fore pump can be selected the vacuum pump that water ring vaccum pump, rotary-vane vaccum pump, slide-valve vacuum pump, reciprocating vacuum pump etc. can discharging directly into atmosphere.Roots pump and preevacuation pump are combined into vacuum unit, and at present, also there is the shortcomings such as ultimate vacuum is low in the vacuum unit on market, therefore, needs a kind of new technological scheme to address the above problem.
Model utility content
The utility model provides the novel closed-circuit vacuum unit that a kind of ultimate vacuum is high.
The beneficial effects of the utility model: a kind of novel closed-circuit vacuum unit comprises Roots pump, air pump and twin-stage water ring pump, Roots pump is connected by pipeline with air pump, pipeline between Roots pump and air pump is provided with valve and safety check, air pump is connected by pipeline with twin-stage water ring pump, Roots pump is provided with suction port, twin-stage water ring pump is connected in series by water ring pump I and water ring pump II, and water ring pump II is provided with air outlet.
Roots pump comprises rotor and axle, in the middle of rotor, is provided with axle, and rotor intermeshes.
Air pump comprises compression set, condenser and filter screen, the material of filter screen is active carbon net, filter screen comprises filter screen I and filter screen II, air pump and twin-stage water ring pump connecting place are provided with filter screen I, air pump and Roots pump connecting place filter screen II, air pump inside is provided with compression set, is connected with bar linkage structure on compression set, is also provided with condenser on air pump.
Water ring pump I and water ring pump II include rotating shaft, impeller and pendular ring, and the bottom of water ring pump I and water ring pump II is equipped with base, in rotating shaft, be fixed with impeller, the outside of impeller is provided with intakeport and relief opening, and the inside of relief opening is provided with ball, and the outside of intakeport and relief opening is provided with pendular ring.
The beneficial effects of the utility model: vacuum unit compact structure of the present utility model, discharge capacity is large, stable performance, long service life; The filter screen that adopts active carbon material, can filter out airborne impurity, and the two ends of air pump are equipped with filter screen can realize double-stage filtering, good filtration effect; Air pump is provided with condenser, can reduce the high temperataure phenomena producing in working procedure; In general, single-stage water ring pump ultimate vacuum is not high, adopts twin-stage water ring pump, has improved the ultimate vacuum of vacuum unit; Adopt the mode of twin-stage water ring pump and air pump series winding, greatly improved the ultimate vacuum of vacuum unit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, 1, suction port, 2, Roots pump, 3, axle, 4, rotor, 5, pipeline, 6, valve, 7, safety check, 8, filter screen II, 9, linkage mechanism, 10, compression set, 11, condenser, 12, filter screen I, 13, water ring pump I, 14, water ring pump II, 15, rotating shaft, 16, impeller, 17, pendular ring, 18, ball, 19, intakeport, 20, relief opening, 21, base, 22, air outlet, 23, air pump.
Embodiment
As shown in Figure 1, a kind of novel closed-circuit vacuum unit comprises Roots pump 2, air pump 23 and twin-stage water ring pump, Roots pump 2 is connected by pipeline 5 with air pump 23, pipeline 5 between Roots pump 2 and air pump 23 is provided with valve 6 and safety check 7, air pump 23 is connected by pipeline 5 with twin-stage water ring pump, Roots pump 2 is provided with suction port 1, and twin-stage water ring pump is connected in series by water ring pump I 13 and water ring pump II 14, and water ring pump II 14 is provided with air outlet 22.
Roots pump 2 comprises rotor 4 and axle 3, in the middle of rotor 4, is provided with axle 3, and rotor 4 intermeshes.
Air pump 23 comprises compression set 10, condenser 11 and filter screen, the material of filter screen is active carbon net, filter screen comprises filter screen I 12 and filter screen II 8, air pump 23 is provided with filter screen I 12 with twin-stage water ring pump connecting place, air pump 23 and Roots pump 2 connecting place filter screen II 8, air pump 23 inside are provided with compression set 10, are connected with bar linkage structure 9 on compression set 10, are also provided with condenser 11 on air pump 23.
Water ring pump I 13 and water ring pump II 14 include rotating shaft 15, impeller 16 and pendular ring 17, the bottom of water ring pump I 13 and water ring pump II 14 is equipped with base 21, in rotating shaft 15, be fixed with impeller 16, the outside of impeller 16 is provided with intakeport 19 and relief opening 20, the inside of relief opening 20 is provided with ball 18, and intakeport 19 and relief opening 20 outsides are provided with pendular ring 17.
Vacuum unit compact structure of the present utility model, discharge capacity is large, stable performance, long service life; The filter screen that adopts active carbon material, can filter out airborne impurity, and the two ends of air pump 23 are equipped with filter screen can realize double-stage filtering, good filtration effect; Air pump 23 is provided with condenser 11, can reduce the high temperataure phenomena producing in working procedure; In general, single-stage water ring pump ultimate vacuum is not high, adopts twin-stage water ring pump, has improved the ultimate vacuum of vacuum unit; Adopt the mode of twin-stage water ring pump and air pump 23 series windings, greatly improved the ultimate vacuum of vacuum unit.
Claims (5)
1. a novel closed-circuit vacuum unit, it is characterized in that: this unit comprises Roots pump, air pump and twin-stage water ring pump, described Roots pump is connected by pipeline with air pump, pipeline between described Roots pump and air pump is provided with valve and safety check, described air pump is connected by pipeline with twin-stage water ring pump, described Roots pump is provided with suction port, and described twin-stage water ring pump is connected in series by water ring pump I and water ring pump II, and described water ring pump II is provided with air outlet.
2. novel closed-circuit vacuum unit according to claim 1, is characterized in that: described Roots pump comprises rotor and axle, in the middle of described rotor, is provided with axle, and described rotor intermeshes.
3. novel closed-circuit vacuum unit according to claim 1, it is characterized in that: described air pump comprises compression set, condenser and filter screen, described filter screen comprises filter screen I and filter screen II, described filter screen I and filter screen II are respectively equipped with the two ends of air pump, described air pump inside is provided with compression set, on described compression set, be connected with bar linkage structure, on described air pump, be also provided with condenser.
4. novel closed-circuit vacuum unit according to claim 1, it is characterized in that: described water ring pump I and water ring pump II include rotating shaft, impeller and pendular ring, the bottom of described water ring pump I and water ring pump II is equipped with base, in described rotating shaft, be fixed with impeller, described impeller outside is provided with intakeport and relief opening, and described relief opening inside is provided with ball, and described intakeport and relief opening outside are provided with pendular ring.
5. novel closed-circuit vacuum unit according to claim 3, is characterized in that: the material of described filter screen is active carbon net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241130.XU CN203867829U (en) | 2014-05-13 | 2014-05-13 | Novel closed cycle vacuum set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241130.XU CN203867829U (en) | 2014-05-13 | 2014-05-13 | Novel closed cycle vacuum set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867829U true CN203867829U (en) | 2014-10-08 |
Family
ID=51648790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420241130.XU Expired - Lifetime CN203867829U (en) | 2014-05-13 | 2014-05-13 | Novel closed cycle vacuum set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443149A (en) * | 2018-05-30 | 2018-08-24 | 马鞍山松鹤信息科技有限公司 | A kind of water-ring vacuum pump |
-
2014
- 2014-05-13 CN CN201420241130.XU patent/CN203867829U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443149A (en) * | 2018-05-30 | 2018-08-24 | 马鞍山松鹤信息科技有限公司 | A kind of water-ring vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |
|
| CX01 | Expiry of patent term |