CN203297102U - Fuel tank exhaust device of screw air compressor - Google Patents
Fuel tank exhaust device of screw air compressor Download PDFInfo
- Publication number
- CN203297102U CN203297102U CN2013203022944U CN201320302294U CN203297102U CN 203297102 U CN203297102 U CN 203297102U CN 2013203022944 U CN2013203022944 U CN 2013203022944U CN 201320302294 U CN201320302294 U CN 201320302294U CN 203297102 U CN203297102 U CN 203297102U
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- air compressor
- screw air
- recycling plant
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model relates to a fuel tank exhaust device of a screw air compressor. The fuel tank exhaust device is characterized by comprising a gas suction device arranged on the speed-up gear box of the screw air compressor and a gas circulating device arranged on the gas sealing device of the screw air compressor, wherein the gas circulating device comprises a gas inlet end, a breathing line and a gas outlet end, which are communicated in sequence; the gas inlet end of the gas circulating device is communicated with the high-pressure gas outlet end of the gas sealing device of the screw air compressor; the gas outlet end of the gas circulating device is communicated with the normal-pressure gas inlet end of the gas sealing device; the gas suction hole of the gas suction device is communicated with the speed-up gear box; the gas outlet of the gas suction device is communicated with the gas inlet end of the gas circulating device. The fuel tank exhaust device has the benefits that as the gas circulating device and the gas suction device are arranged, waste gas in the speed-up gear box is exhausted, and the normal operation of the screw air compressor is guaranteed; the structure is simple, the refitting cost is low and the maintenance is convenient.
Description
Technical field
The utility model relates to a kind of venting gas appliance of import screw air compressor, especially a kind of tank ventilation system of screw air compressor.
Background technique
The industries such as pharmacy at present, food, chemical industry, metallurgy are widely used a kind of Atlas from Belgian import oil free screw air compressor.Atlas company is the unique producer that can produce large-scale oil free screw air compressor in the world at present, and this machine screw surface has a kind of coating, make the screw rod engagement not need lubricant oil, so this brand is in monopoly position for many years in the world always.But this machine after using 40,000 hours, there will be the little gas leakage problem of high voltage terminal sealing gland, because sealing gland gas leakage causes fuel tank air pressure, raises, and pinion tank drainback pipe is built the pressure, and oil return is not smooth, causes the oil spout of drop tank pore, and machine can't move.Unique way of producer's monopolization maintenance is changed whole screw rod head exactly, and expense is more than 700,000 yuan, keeps in repair extremely inconvenient and cost is high.
The model utility content
The purpose of this utility model is to provide a kind of tank ventilation system of simple in structure, repacking cost screw air compressor low and easy to maintenance.
In order to complete above-mentioned purpose, the technical solution adopted in the utility model is:
a kind of tank ventilation system of screw air compressor, comprise the suction means on the step-up gear that is arranged on screw air compressor and be arranged on gas-recycling plant on the air seal set of screw air compressor, gas-recycling plant comprises the inlet end that is communicated with successively, gas pipeline and outlet side, the inlet end of gas-recycling plant is connected with the high pressure outlet side of the air seal set of screw air compressor, the outlet side of gas-recycling plant is connected with the normal pressure inlet end of air seal set, the intakeport of suction means is connected with step-up gear, the air outlet of suction means is connected with the inlet end of gas-recycling plant.
Described gas-recycling plant also comprises the gas ejector of a three-port structure, and three joints of gas ejector are connected with the inlet end of gas-recycling plant, the gas pipeline of gas-recycling plant and the air outlet of suction means respectively.
Described suction means is provided with deaerator and with metallic hose, connects between intakeport and air outlet.
Also comprise the pressure vacuum gauge that is arranged on step-up gear.
Described gas-recycling plant is provided with valve between the high pressure outlet side of air seal set and gas ejector.
The beneficial effects of the utility model are: owing to being provided with gas-recycling plant and suction means, the waste gas in step-up gear discharged, guaranteed the normal operation of screw air compressor, and simple in structure, the repacking cost is low and easy to maintenance.
Description of drawings
Fig. 1 is use state reference map of the present utility model.
In figure, 1, screw air compressor, 2, step-up gear, 3, inlet end, 4, the high pressure outlet side, 5, outlet side, 6, the normal pressure inlet end, 7, intakeport, 8, air outlet, 9, gas ejector, 10, gas pipeline, 11, deaerator, 12, pressure vacuum gauge.
Embodiment
The utility model is a kind of tank ventilation system of screw air compressor, owing to being provided with gas-recycling plant and suction means, waste gas in step-up gear is discharged, guaranteed the normal operation of screw air compressor, simple in structure, the repacking cost is low and easy to maintenance.
Below in conjunction with accompanying drawing, the utility model is described further.
specific embodiment, as shown in Figure 1, a kind of tank ventilation system of screw air compressor, be characterised in that: comprise the suction means on the step-up gear 2 that is arranged on screw air compressor 1 and be arranged on gas-recycling plant on the air seal set of screw air compressor 1, gas-recycling plant comprises the inlet end 3 that is communicated with successively, gas pipeline 10 and outlet side 5, the inlet end 3 of gas-recycling plant is connected with the high pressure outlet side 4 of the air seal set of screw air compressor 1, the outlet side 5 of gas-recycling plant is connected with the normal pressure inlet end 6 of air seal set, the intakeport 7 of suction means is connected with step-up gear 2, also be provided with pressure vacuum gauge 12 on step-up gear 2, the air outlet 8 of suction means is connected with the inlet end 3 of gas-recycling plant, described suction means is provided with deaerator 11 and with metallic hose, connects between intakeport 7 and air outlet 8, deaerator 11 is selected and is separated the specification of modulus below 0.5 micron, described gas-recycling plant also comprises the gas ejector 9 of a three-port structure, described gas-recycling plant is provided with valve between the high pressure outlet side 4 of air seal set and gas ejector 9, three joints of gas ejector 9 respectively with the inlet end 3 of gas-recycling plant, the gas pipeline 10 of gas-recycling plant and the air outlet 8 of suction means are connected.
After screw air compressor 1 uses 40,000 hours; after its air seal set produces gas leak phenomenon; observe pressure vacuum gauge 12; after numerical value reaches warning line; with the valve open that arranges between the high pressure outlet side 4 of air seal set and gas ejector 9; utilize Venturi principle; the vacuum suction that the intakeport of gas ejector 9 can form; gas in step-up gear 2 is taken away by the air outlet 8 of suction means; keeping the air pressure in step-up gear 2 is relative negative pressure; guarantee that the return tube oil return is unimpeded, thereby thoroughly solved auxiliary gear case oil spout problem.Owing to being provided with gas-recycling plant and suction means, the waste gas in step-up gear is discharged, guaranteed the normal operation of screw air compressor, simple in structure, the repacking cost is low and easy to maintenance.
Claims (5)
1. the tank ventilation system of a screw air compressor, be characterised in that: comprise the suction means on the step-up gear (2) that is arranged on screw air compressor (1) and be arranged on gas-recycling plant on the air seal set of screw air compressor (1), gas-recycling plant comprises the inlet end (3) that is communicated with successively, gas pipeline (10) and outlet side (5), the inlet end of gas-recycling plant (3) is connected with the high pressure outlet side (4) of the air seal set of screw air compressor (1), the outlet side of gas-recycling plant (5) is connected with the normal pressure inlet end (6) of air seal set, the intakeport of suction means (7) is connected with step-up gear (2), the air outlet of suction means (8) is connected with the inlet end (3) of gas-recycling plant.
2. the tank ventilation system of a kind of screw air compressor according to claim 1, it is characterized in that: described gas-recycling plant also comprises the gas ejector (9) of a three-port structure, and three joints of gas ejector (9) are connected with the inlet end (3) of gas-recycling plant, the gas pipeline (10) of gas-recycling plant and the air outlet (8) of suction means respectively.
3. the tank ventilation system of a kind of screw air compressor according to claim 1 is characterized in that: described suction means is provided with deaerator (11) and with metallic hose, connects between intakeport (7) and air outlet (8).
4. the tank ventilation system of a kind of screw air compressor according to claim 1, is characterized in that: also comprise the pressure vacuum gauge (12) that is arranged on step-up gear (2).
5. the tank ventilation system of a kind of screw air compressor according to claim 1 is characterized in that: described gas-recycling plant is provided with valve between the high pressure outlet side (4) of air seal set and gas ejector (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203022944U CN203297102U (en) | 2013-05-29 | 2013-05-29 | Fuel tank exhaust device of screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203022944U CN203297102U (en) | 2013-05-29 | 2013-05-29 | Fuel tank exhaust device of screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203297102U true CN203297102U (en) | 2013-11-20 |
Family
ID=49573114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203022944U Expired - Fee Related CN203297102U (en) | 2013-05-29 | 2013-05-29 | Fuel tank exhaust device of screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203297102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678041A (en) * | 2017-02-21 | 2017-05-17 | 东北大学 | External balance type screw vacuum pump |
-
2013
- 2013-05-29 CN CN2013203022944U patent/CN203297102U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678041A (en) * | 2017-02-21 | 2017-05-17 | 东北大学 | External balance type screw vacuum pump |
| CN106678041B (en) * | 2017-02-21 | 2018-05-25 | 东北大学 | A kind of outer balance type screw vacuum pump |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20170529 |