CN207018199U - A kind of roots pump systems with water ring with atmospheric jet pump - Google Patents
A kind of roots pump systems with water ring with atmospheric jet pump Download PDFInfo
- Publication number
- CN207018199U CN207018199U CN201720978802.9U CN201720978802U CN207018199U CN 207018199 U CN207018199 U CN 207018199U CN 201720978802 U CN201720978802 U CN 201720978802U CN 207018199 U CN207018199 U CN 207018199U
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- pump
- roots
- air inlet
- water
- roots vaccum
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000005086 pumping Methods 0.000 claims abstract description 23
- 239000000498 cooling water Substances 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000004577 thatch Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model belongs to technical field of vacuum equipment, refers in particular to a kind of roots pump systems with water ring with atmospheric jet pump.It is provided with the first Roots vaccum pump, the second Roots vaccum pump and water ring vacuum pump from top to bottom including frame, in frame；The first air inlet and first row gas port are provided with first Roots vaccum pump, the second air inlet and second exhaust port are provided with second Roots vaccum pump, first row gas port is connected by the first pipeline with the second air inlet, and second exhaust port is connected with atmospheric jet pump by the second pipeline；Water ring vacuum pump is provided with the 3rd air inlet and the 3rd exhaust outlet, and atmospheric jet pump is connected to the 3rd air inlet by the 3rd pipeline, and gas is entered by the first air inlet, is discharged from the 3rd exhaust outlet.The utility model is inadequate in order to avoid the vacuum that water ring pump is provided, and atmospheric jet pump is mounted between water ring pump and the second Roots vaccum pump, and atmospheric jet pump can improve vacuum so that whole unit pumping speed is big, and consumption power is small, compact-sized.
Description
Technical field
The utility model belongs to technical field of vacuum equipment, refers in particular to a kind of Roots's Water-ring vacuum machine with atmospheric jet pump
Group.
Background technology
Roots vaccum pump is in dresses such as oil, chemical industry, plastics, agricultural chemicals, turbine rotor dynamic balancing, aerospace simulations
Put to have obtained the test of longtime running, while be also widely used in the industry such as oil, chemical industry, metallurgy, weaving.Roots vaccum pump is
A kind of vavuum pump without interior compression, usual compression ratio is very low, so needing to increase fore pump in use.
In order to improve the final vacuum of pump, it will usually two Roots vaccum pumps are together in series and used, during work,
First start fore pump, fore pump improves vacuum, improves to the inlet pressure needed for Roots vaccum pump, it is true to restart Roots
Empty pump is evacuated.But in the environment of some need huge discharge, fore pump is also not enough to vacuum can be made to bring up to sieve
Vacuum needed for thatch vavuum pump.
The content of the invention
The purpose of this utility model is to solve problem present in above-mentioned background technology, there is provided one kind, which can improve, is
The roots pump systems with water ring with atmospheric jet pump for vacuum of uniting.
What the purpose of this utility model was realized in：
A kind of roots pump systems with water ring with atmospheric jet pump, including frame,
The first Roots vaccum pump, the second Roots vaccum pump and water ring vacuum pump are provided with frame from top to bottom；
The first air inlet and first row gas port are provided with first Roots vaccum pump, is set on the second Roots vaccum pump
There are the second air inlet and second exhaust port, the first row gas port is connected by the first pipeline with second air inlet, described
Second exhaust port is provided with the second pipeline, and atmospheric jet pump is connected with the second pipeline；
The 3rd air inlet and the 3rd exhaust outlet are provided with the water ring vacuum pump, the atmospheric jet pump passes through the 3rd pipe
Road is connected to the 3rd air inlet, and gas is entered by first air inlet, is finally discharged from the 3rd exhaust outlet.
Preferably, check-valves and ball valve are installed, the ball valve includes switch knob on the 3rd pipeline.
Preferably, the pumping speed of first Roots vaccum pump be more than second Roots vaccum pump pumping speed, described first
The pumping speed ratio of Roots vaccum pump and second Roots vaccum pump is 2:1.
Preferably, the pumping speed of first Roots vaccum pump is 300L/s, and the pumping speed of second Roots vaccum pump is
150L/s。
Preferably, first air inlet, first row gas port, the second air inlet, second exhaust port, the 3rd air inlet and
Ring flange is provided with 3rd exhaust outlet, the bore of first air inlet is more than the bore of the 3rd exhaust outlet；Described first
Air inlet, the second air inlet and the 3rd air inlet and ring flange junction are provided with anti-dust filter mesh.
Preferably, chilled water unit, cooling water dress are installed on first Roots vaccum pump and the second Roots vaccum pump
Cooling water pipe is installed, cooling water pipe offers water inlet close to one end of the second Roots vaccum pump, and is provided with first in putting
Water intaking valve, cooling water pipe offer delivery port close to one end of the first Roots vaccum pump.
Preferably, the temperature of the water outlet is not higher than 40 DEG C.
Preferably, the second water intaking valve that the ring liquid water of water supply ring vacuum pump enters is provided with the water ring vacuum pump.
Preferably, it is mounted on being used to control Roots true on first Roots vaccum pump and second Roots vaccum pump
The time relay or low-vacuum load-tripping device of empty pump start-stop.
Preferably, vacuum meter is connected with first Roots vaccum pump, blow-off line is additionally provided with the frame.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
1st, the utility model is provided with two Roots vaccum pumps and a water ring pump, water ring pump can be used to as fore pump
Vacuum is improved for Roots vaccum pump, it is true in water ring pump and the second Roots in order to avoid vacuum that water ring pump is provided is inadequate
Atmospheric jet pump is mounted between empty pump, atmospheric jet pump can improve vacuum；The speed of exhaust of the present utility model is up to 300L/
S, particularly 1.33 × 103Big with pumping speed in the range of -100Pa, consumption power is small, and smooth running is compact-sized, installation side
Just the features such as.
2nd, check-valves and ball valve are installed on the 3rd pipeline of the utility model between atmospheric jet pump and water ring pump, only
Valve is returned without manual control, ball valve is manual ball valve, can manual control open and closing, when occur having a power failure etc. emergency situations when,
The current adverse current in unit can be avoided.
3rd, the first air inlet of the present utility model, first row gas port, the second air inlet, second exhaust port, the 3rd air inlet
And the 3rd be provided with ring flange on exhaust outlet, the connection being easy between two pump housings, and in the first air inlet, the second air inlet
Mouth and the 3rd air inlet are provided with anti-dust filter mesh with ring flange junction, dust-proof when carrying particulate matter in pumped gas
Screen pack can play effective filtering, avoid the debris such as particulate matter from entering pump body, influence the working effect of whole body.
4th, the utility model is provided with chilled water unit on the first Roots vaccum pump and the second Roots vaccum pump, can be to
One Roots vaccum pump and the second Roots vaccum pump are effectively radiated, and it is kept normal work, while cooling water outlet
Temperature control in the range of less than 40 DEG C, avoid in water jacket producing heavy dirt after a protracted use.
Brief description of the drawings
Fig. 1 is structural representation one of the present utility model.
Fig. 2 is structural representation two of the present utility model.
Fig. 3 is System Working Principle figure of the present utility model.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-Fig. 3,
As Figure 1-Figure 2, a kind of roots pump systems with water ring with atmospheric jet pump, including frame 1,
The first Roots vaccum pump 2, the second Roots vaccum pump 3 and water ring vacuum pump 4 are provided with frame 1 from top to bottom；
The first air inlet 21 and first row gas port 22, the second Roots vaccum pump 3 are provided with first Roots vaccum pump 2
On be provided with the second air inlet 31 and second exhaust port 32, the first row gas port 22 is entered by the first pipeline 61 and described second
Gas port 31 is connected, and the second exhaust port 32 is provided with the second pipeline 62, and atmospheric jet pump 5 is connected with the second pipeline 62；
The 3rd air inlet 41 and the 3rd exhaust outlet 42 are provided with the water ring vacuum pump 4, the atmospheric jet pump 5 passes through
3rd pipeline 63 is connected to the 3rd air inlet 41, and gas is entered by the first air inlet 21 of the first lobe pump, by first
Lobe pump 2, the first pipeline 61, the second lobe pump 3, the second pipeline 62 and atmospheric jet pump 5, finally from water ring vacuum pump 4
3rd exhaust outlet 42 is discharged.
(such as because having a power failure) during to ensure unexpected termination of pumping, whole unit does not return water into system, pacifies on the 3rd pipeline 63
Equipped with check-valves 71 and ball valve 72, the ball valve 72 includes switch knob 73, and ball valve 72 carries out people's industry control by switch knob 73
System is opened and closure.
The pumping speed of first Roots vaccum pump 2 is more than the pumping speed of second Roots vaccum pump 3, and first Roots is true
The pumping speed ratio of empty pump 2 and second Roots vaccum pump 3 is 2:1.In the present embodiment, the pumping speed of first Roots vaccum pump 2
For 300L/s, the pumping speed of second Roots vaccum pump 3 is 150L/s.
Air inlet pipeline is installed, when installation on the first air inlet of the first Roots vaccum pump, it is ensured that air inlet pipeline
Sealing, it is necessary to first remove the debris such as welding slag inside admission line, and air inlet pipeline is as short as possible, it is few with elbow and to connect
Head, admission line diameter are greater than the bore of first the first air inlet of Roots vaccum pump, avoid influenceing the first Roots vaccum pump
Effective pumping speed.
First air inlet 21, first row gas port 22, the second air inlet 31, second exhaust port 32, the 3rd air inlet 41
And the 3rd be provided with ring flange 64 on exhaust outlet 42, the bore of first air inlet 21 is more than the mouth of the 3rd exhaust outlet 42
Footpath；First pipeline, the second pipeline and the 3rd pipeline are arranged between each pump by ring flange 64.First air inlet
21st, the second air inlet 31 and the 3rd air inlet 41 are provided with anti-dust filter mesh with the junction of ring flange 64, avoid taking in gas
Band particulate matter, which enters pump body, influences pump housing work.
Chilled water unit is installed on the Roots vaccum pump 3 of first Roots vaccum pump 2 and second, pacified in chilled water unit
Equipped with cooling water pipe, cooling water pipe offers water inlet close to one end of the second Roots vaccum pump 3, and is provided with the first water intaking valve
74, cooling water pipe offers delivery port close to one end of the first Roots vaccum pump 2.The temperature of the water outlet is not higher than 40
DEG C, in case water jacket produces heavy dirt；The ring liquid water of water supply ring vacuum pump 4 enters second is provided with the water ring vacuum pump 4
Water intaking valve 75.The liquid of water ring vacuum pump 4 is needed to supply water respectively with water with cooling water channel, and water should be adjusted by actual demand, the
One water intaking valve 74 and the second water intaking valve 75 are used for adjusting inflow.
It is mounted on being used to control Roots vaccum pump on first Roots vaccum pump 2 and second Roots vaccum pump 3
The time relay or low-vacuum load-tripping device of start-stop, opened again after being reached the permission inlet pressure of Roots vaccum pump by the system of taking out with guarantee
Dynamic Roots vaccum pump；Overflow valve is also equipped with first Roots vaccum pump 2 and the second Roots vaccum pump 3, avoids Roots vaccum pump
Overload.
Vacuum meter 8 is connected with first Roots vaccum pump 2, blow-off line 91 and control are additionally provided with the frame 1
The electric cabinet 92 of whole equipment processed work, on first Roots vaccum pump 2, the second Roots vaccum pump 3 and water ring vacuum pump point
The motor 93 of its operating of control is not connected with.
The course of work of the present utility model：
The utility model must be arranged on the place of clean environment, and the scope that operating ambient temperature should be 5~40 DEG C is advisable,
During installation, it is only necessary to by air inlet-outlet pipe (i.e. the first pipeline, the second pipeline and the 3rd pipeline), cooling water channel between each pump housing
And circuit can uses.In use, first start water ring vacuum pump, when water ring vacuum pump be extracted into it is pre- needed for atmospheric jet pump
During vacuum, the aeration valve of atmospheric jet pump is opened, after defined inlet pressure is reached, the second Roots vacuum pump startup, is waited until
After second Roots vaccum pump is extracted into inlet pressure, the first Roots vacuum pump startup, pumping is proceeded by after reaching inlet pressure.
Pumping process：Pumped gas is sucked by the first Roots vacuum pump steam inlet, by the second Roots vaccum pump, big gas blowout
Penetrate pump, ball valve and check-valves and enter water ring vacuum pump, then gas is discharged in air by the exhaust outlet of water ring vacuum pump.
Stopping process：The first Roots vaccum pump, the second Roots vaccum pump, atmospheric jet pump, ball valve and water are closed successively
Ring vacuum pump, first, second water intaking valve is turned off, stop supplying water, final cutting power supply.
The utility model has pumping speed big, particularly 1.33 × 103There is very big pumping speed in the range of~100Pa, and have
Have consumption power it is small, it is compact-sized, the advantages that also very convenient is installed and used, as long as user closes power switch, then
Power on button is pressed, water ring vacuum pump is begun to operate, and coordinates the use of atmospheric jet pump, and pressure can be reached to two Roots
The startup pressure of vavuum pump setting, Roots vaccum pump just can be started and is operated, easy to use.Suitable for extracting general gas
Or the gas containing coercibility steam, be the vacuum drying of the industrial departments such as light textile, chemical industry, medicine, food, electronics, vacuum outgas,
The corollary equipment of the technical process such as vacuum impregnation, it is applied widely.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (10)
1. a kind of roots pump systems with water ring with atmospheric jet pump, including frame, it is characterised in that：
The first Roots vaccum pump, the second Roots vaccum pump and water ring vacuum pump are provided with frame from top to bottom；
The first air inlet and first row gas port are provided with first Roots vaccum pump, is provided with the second Roots vaccum pump
Two air inlets and second exhaust port, the first row gas port are connected by the first pipeline with second air inlet, and described second
Exhaust outlet is provided with the second pipeline, and atmospheric jet pump is connected with the second pipeline；
The 3rd air inlet and the 3rd exhaust outlet are provided with the water ring vacuum pump, the atmospheric jet pump is connected by the 3rd pipeline
The 3rd air inlet is connected to, gas is entered by first air inlet, is finally discharged from the 3rd exhaust outlet.
2. the roots pump systems with water ring according to claim 1 with atmospheric jet pump, it is characterised in that：Described 3rd
Check-valves and ball valve are installed, the ball valve includes switch knob on pipeline.
3. the roots pump systems with water ring according to claim 1 with atmospheric jet pump, it is characterised in that：Described first
The pumping speed of Roots vaccum pump is more than the pumping speed of second Roots vaccum pump, first Roots vaccum pump and second Roots
The pumping speed ratio of vavuum pump is 2:1.
4. the roots pump systems with water ring according to claim 3 with atmospheric jet pump, it is characterised in that：Described first
The pumping speed of Roots vaccum pump is 300L/s, and the pumping speed of second Roots vaccum pump is 150L/s.
5. the roots pump systems with water ring according to claim 1 with atmospheric jet pump, it is characterised in that：Described first
Method is provided with air inlet, first row gas port, the second air inlet, second exhaust port, the 3rd air inlet and the 3rd exhaust outlet
Blue disk, the bore of first air inlet are more than the bore of the 3rd exhaust outlet；First air inlet, the second air inlet and
Three air inlets are provided with anti-dust filter mesh with ring flange junction.
6. according to the roots pump systems with water ring with atmospheric jet pump described in claim 1 or 3 or 4, it is characterised in that：Institute
State and chilled water unit is installed on the first Roots vaccum pump and the second Roots vaccum pump, cooling water is installed in chilled water unit
Pipe, cooling water pipe offers water inlet close to one end of the second Roots vaccum pump, and is provided with the first water intaking valve, and cooling water pipe leans on
One end of nearly first Roots vaccum pump offers delivery port.
7. the roots pump systems with water ring according to claim 6 with atmospheric jet pump, it is characterised in that：The water outlet
Temperature at mouthful is not higher than 40 DEG C.
8. the roots pump systems with water ring according to claim 1 with atmospheric jet pump, it is characterised in that：The water ring
The second water intaking valve that the ring liquid water of water supply ring vacuum pump enters is provided with vavuum pump.
9. the roots pump systems with water ring according to claim 1 with atmospheric jet pump, it is characterised in that：Described first
Be mounted on Roots vaccum pump and second Roots vaccum pump time relay for controlling Roots vaccum pump start-stop or
Low-vacuum load-tripping device.
10. according to the roots pump systems with water ring with atmospheric jet pump described in claim 1 or 3 or 4 or 8, its feature exists
In：Vacuum meter is connected with first Roots vaccum pump, blow-off line and control whole equipment are additionally provided with the frame
The electric cabinet of work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978802.9U CN207018199U (en) | 2017-08-07 | 2017-08-07 | A kind of roots pump systems with water ring with atmospheric jet pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978802.9U CN207018199U (en) | 2017-08-07 | 2017-08-07 | A kind of roots pump systems with water ring with atmospheric jet pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018199U true CN207018199U (en) | 2018-02-16 |
Family
ID=61478447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720978802.9U Expired - Fee Related CN207018199U (en) | 2017-08-07 | 2017-08-07 | A kind of roots pump systems with water ring with atmospheric jet pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018199U (en) |
-
2017
- 2017-08-07 CN CN201720978802.9U patent/CN207018199U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180216 |