CN204436796U - A kind of claw type vacuum pump protective device - Google Patents
A kind of claw type vacuum pump protective device Download PDFInfo
- Publication number
- CN204436796U CN204436796U CN201420784677.4U CN201420784677U CN204436796U CN 204436796 U CN204436796 U CN 204436796U CN 201420784677 U CN201420784677 U CN 201420784677U CN 204436796 U CN204436796 U CN 204436796U
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- China
- Prior art keywords
- suction port
- buffer tank
- air outlet
- condenser
- pump housing
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Abstract
The utility model discloses a kind of claw type vacuum pump protective device, comprise the pump housing, the suction port of the described pump housing is by pipeline communication vacuum buffer tank air outlet, described vacuum buffer tank suction port is communicated with the air outlet of condenser one, the air outlet of the pump housing is communicated with the suction port of condenser two, the air outlet of described condenser two is communicated with the suction port of knockout drum, liquid outlet is provided with below described vacuum buffer tank and knockout drum, the utility model installs vacuum buffer tank and condenser before vacuum pump, claw type vacuum pump can be pumped through the abundant condensation of gas, make the gas entering the pump housing as much as possible less containing organic solvent, vacuum buffer tank can play the effect of buffering, large quantity of fluid is there will not be to enter the situation of vacuum pump body.
Description
Technical field
The utility model belongs to claw type vacuum pump technology field, is specifically related to a kind of claw type vacuum pump protective device.
Background technique
At medicine, food service industry, an urgent demand is without the clean vacuum of oil pollution, claw type vacuum pump, it is exactly the dry vacuum pump that rotor is claw type, play and vacuumize and the effect of gas-liquid separation, the suction of this pump, relief opening is arranged on the end wall of pump chamber, multistage connection is very convenient, air flue is smooth, the conversion of pump chamber pressure is mild, be conducive to the condensation preventing condensable gas, claw vacuum pump internal component requires that potted line is very high, respectively require between " claw " that gap can not be too large, if main pump internal component is corroded can affect the degree of vacuum of the pump housing greatly, corrosivity will be used in process of production strong, low-boiling dichloromethane, if frozen-free buffer system before and after pump, there will be dichloromethane in the process of reduced pressure concentration and cannot corrode rotor in condensation complete suction pawl pump cavity, if it is improper that more extreme situation is operative, degree of vacuum acute variation can cause a large amount of material to recoil in the pump housing.
Summary of the invention
For solving the problem; the utility model discloses a kind of claw type vacuum pump protective device; before pump, knock out drum and condenser are installed; claw type vacuum pump can be pumped through the abundant condensation of gas; make the gas entering the pump housing as much as possible less containing organic solvent; knock out drum can play the effect of buffering, there will not be large quantity of fluid to enter the situation of the pump housing.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of claw type vacuum pump protective device; it is characterized in that: comprise the pump housing; the suction port of the described pump housing is by pipeline communication vacuum buffer tank air outlet; described vacuum buffer tank suction port is communicated with the air outlet of condenser one; the air outlet of the pump housing is communicated with the suction port of condenser two; the air outlet of described condenser two is communicated with the suction port of knockout drum, is provided with liquid outlet below described vacuum buffer tank and knockout drum.
Improve as one of the present utility model, the pipeline between the suction port of the described pump housing and vacuum buffer tank air outlet is KF bellows.
Improve as one of the present utility model, above described vacuum buffer tank and knockout drum, be provided with pressure gauge.
Improve as one of the present utility model, between the air outlet of the described pump housing and the suction port of condenser two, be provided with one-way valve.
Improve as one of the present utility model, between the suction port of described one-way valve and condenser two, be provided with liquid port.
The beneficial effects of the utility model are:
A kind of claw type vacuum pump protective device described in the utility model; vacuum buffer tank and condenser are installed before vacuum pump; claw type vacuum pump can be pumped through the abundant condensation of gas; make the gas entering the pump housing as much as possible less containing organic solvent; vacuum buffer tank can play the effect of buffering, there will not be large quantity of fluid to enter the situation of vacuum pump body.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Reference numerals list:
1, condenser one, 2, vacuum buffer tank, 3, the pump housing, 4, the suction port of the pump housing, 5, the air outlet of the pump housing, 6, condenser two, 7, knockout drum, 8, the suction port of knockout drum, 9, liquid outlet, 10, pipeline, 11, one-way valve, 12, pressure gauge, 13, vacuum buffer tank air outlet, 14, vacuum buffer tank suction port, 15, liquid port.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, following embodiment should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometrical center respectively.
As shown in the figure; a kind of claw type vacuum pump protective device described in the utility model; comprise the pump housing 3; the suction port 4 of the described pump housing is by pipeline communication vacuum buffer tank air outlet 13; described vacuum buffer tank suction port 14 is communicated with the air outlet of condenser 1; the air outlet 5 of the pump housing is communicated with the suction port of condenser 26, and the air outlet of described condenser 26 is communicated with the suction port 8 of knockout drum, is provided with liquid outlet 9 below described vacuum buffer tank 2 and knockout drum.
During work, gas is drawn into from condenser 1 suction port, enter vacuum buffer tank 2, gas flows out from vacuum buffer tank air outlet 13, liquid is provided with liquid outlet 9 and discharges below vacuum buffer tank 2, gas is through vacuum pump, the suction port of condenser 26 is flowed to from the air outlet 5 of the pump housing, one-way valve 11 is provided with between the air outlet 5 of the described pump housing and the suction port of condenser 26, liquid port 15 is provided with between described one-way valve 11 and the suction port of condenser 26, gas finally flows out from the air outlet of knockout drum, a kind of claw type vacuum pump protective device described in the utility model, vacuum buffer tank 2 and condenser 1 are installed before vacuum pump, claw type vacuum pump can be pumped through the abundant condensation of gas, make the gas entering the pump housing as much as possible less containing organic solvent, vacuum buffer tank can play the effect of buffering, large quantity of fluid is there will not be to enter the situation of vacuum pump body.
Pipeline between the suction port 4 of the pump housing described in the utility model and vacuum buffer tank air outlet 13 is KF bellows, can reduce bending, raise the efficiency.
In order to grasp the situation of vacuum buffer tank 2 and knockout drum inside at any time, the utility model is provided with pressure gauge 12 above vacuum buffer tank 2 and knockout drum.
Technological means disclosed in the utility model scheme is not limited only to the technological means disclosed in above-mentioned mode of execution, also comprises the technological scheme be made up of above technical characteristics combination in any.
Claims (5)
1. a claw type vacuum pump protective device; it is characterized in that: comprise the pump housing; the suction port of the described pump housing is by pipeline communication vacuum buffer tank air outlet; described vacuum buffer tank suction port is communicated with the air outlet of condenser one; the air outlet of the pump housing is communicated with the suction port of condenser two; the air outlet of described condenser two is communicated with the suction port of knockout drum, is provided with liquid outlet below described vacuum buffer tank and knockout drum.
2. a kind of claw type vacuum pump protective device according to claim 1, is characterized in that: the pipeline between the suction port of the described pump housing and vacuum buffer tank air outlet is KF bellows.
3. a kind of claw type vacuum pump protective device according to claim 1, is characterized in that: be provided with pressure gauge above described vacuum buffer tank and knockout drum.
4. a kind of claw type vacuum pump protective device according to claim 1, is characterized in that: be provided with one-way valve between the air outlet of the described pump housing and the suction port of condenser two.
5. a kind of claw type vacuum pump protective device according to claim 4, is characterized in that: be provided with liquid port between the suction port of described one-way valve and condenser two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420784677.4U CN204436796U (en) | 2014-12-15 | 2014-12-15 | A kind of claw type vacuum pump protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420784677.4U CN204436796U (en) | 2014-12-15 | 2014-12-15 | A kind of claw type vacuum pump protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436796U true CN204436796U (en) | 2015-07-01 |
Family
ID=53604669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420784677.4U Active CN204436796U (en) | 2014-12-15 | 2014-12-15 | A kind of claw type vacuum pump protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204436796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257540A (en) * | 2015-11-05 | 2016-01-20 | 山东三牛机械有限公司 | Double-pole high-pressure dry type roots vacuum pump unit |
-
2014
- 2014-12-15 CN CN201420784677.4U patent/CN204436796U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257540A (en) * | 2015-11-05 | 2016-01-20 | 山东三牛机械有限公司 | Double-pole high-pressure dry type roots vacuum pump unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |