CN203463292U - Oil injection device for horizontal vortex type air compressor - Google Patents
Oil injection device for horizontal vortex type air compressor Download PDFInfo
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- CN203463292U CN203463292U CN201320561912.7U CN201320561912U CN203463292U CN 203463292 U CN203463292 U CN 203463292U CN 201320561912 U CN201320561912 U CN 201320561912U CN 203463292 U CN203463292 U CN 203463292U
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Abstract
The utility model provides an oil injection device for a horizontal vortex type air compressor. The device comprises an oil gas barrel and a host machine, wherein the exhaust port of the host machine is connected with the oil gas barrel through an exhaust pipe; a fixed vortex part is arranged on the host machine, and an oil supply passage communicated with the compression cavity of the host machine is arranged in the fixed vortex part; the oil supply passage is connected with the bottom of the oil gas barrel through the oil supply pipeline; a cooler, an oil filter and a throttle valve are arranged on the oil supply pipeline; the oil gas barrel is connected with an oil vane-type separator; the oil vane-type separator is communicated with the oil supply pipeline through a secondary oil return pipe; the joint between the secondary oil return pipeline and the oil supply pipeline is positioned between the throttle valve and the oil supply passage; a throttle device is arranged on the secondary oil return pipeline; the communicated position of the oil supply passage and the compression cavity of the host machine is positioned in the medium pressure part after inner and outer cavities complete inspiration actions. According to the oil injection device, the existing problem that the gas displacement of the compressor is reduced because gas in secondary oil return returns to an intake valve can be solved, partial compressive work of recompressing gas in secondary oil return is saved, and the performance of the compressor is improved.
Description
Technical field
The utility model relates to a kind of fueling injection equipment, relates to a kind of Horizontal vortex air compressor fueling injection equipment.
Background technique
The rotation scroll of scroll type air compressor and the engagement of the scrollwork of fixed scroll form a plurality of pressing chambers, in the movement process of rotation scroll, each pressing chamber dwindles gradually and moves to centre, thereby realize the compression of gas, finally by being opened in the relief opening at fixed scroll center, discharge.
When air is compressed in pressing chamber, the pressure of each pressing chamber inside raises gradually, and temperature raises gradually, and for guaranteeing that temperature is unlikely to too high when the exhaust pressure, current common practices is toward oil spout in compression chamber.
Existing scroll type air compressor fueling injection equipment, as shown in Figure 1, the fluid being discharged to pipeline I2 from relief opening is the mixture of air and lubricant oil, after entering barrel of oil and gas 1, pass through rotating separation, most of oil droplet is separated along wall and is flow to a barrel bottom from mixture, the lubricant oil of a small amount of molecule is mixed in and in air, enters oily fine separator 3, after the secondary filter of oily fine separator 3, the small lubricant oil of the overwhelming majority is separated, a small amount of pressurized air (flow is Q1) this parts of lubricating oil of carrying under one's arms together (this mixture is hereinafter to be referred as secondary oil return) flow in suction valve 6 by pipeline II5 after by throttling arrangement 4 step-downs.Air enters suction valve 6 through air filter 7, and then enters the intakeport of main frame, finally enters compression chamber.Because air enters air filter 7 and suction valve 6 exists resistance, so the pressure P in suction valve 61 will be lower than extraneous atmospheric pressure P0.Flow is that the pressurized air of Q1 is inhaled into compression chamber and again compresses after being depressured to P1, therefore the discharge capacity of compressor has reduced Q1, and, the compressed-air actuated compression energy of this part Q1 flow loses completely, rationally do not utilized, from the impact of above two aspects, cause the Efficiency Decreasing of compressor, performance reduces.
Model utility content
The purpose of this utility model is to provide a kind of Horizontal vortex air compressor fueling injection equipment, has solved existing fueling injection equipment because the gas in secondary oil return is got back to the problem that Aspirating valves causes compressor displacement to reduce.
The technological scheme that the utility model adopts is, a kind of Horizontal vortex air compressor fueling injection equipment, comprise barrel of oil and gas and main frame, the relief opening of main frame is connected with barrel of oil and gas by outlet pipe, main frame is provided with fixed scroll, in fixed scroll, be provided with the oil supply gallery that is communicated with main frame compression chamber, oil supply gallery is connected with barrel of oil and gas bottom by oil supply pipeline, oil supply pipeline is provided with cooler, oil strainer and throttle valve, barrel of oil and gas is connected with oily fine separator, oil fine separator is communicated with oil supply pipeline by secondary returning oil-piping, the position that secondary returning oil-piping is communicated with oil supply pipeline is between throttle valve and oil supply gallery, secondary returning oil-piping is provided with throttling arrangement, the position that is communicated with of oil supply gallery and main frame compression chamber is positioned at lateral compartments and completes the intermediate pressure place after aspiratory action.
Feature of the present utility model is also,
The passage that oil supply gallery is communicated with main frame compression chamber has one at least.
Barrel of oil and gas is that oily fine separator is arranged on barrel of oil and gas inside or barrel of oil and gas is connected by pipeline with oily fine separator with the annexation of oily fine separator.
Cooler, oil strainer and the throttle valve position on oil supply pipeline can exchange arbitrarily.
Throttling arrangement is throttle orifice or capillary tube.
The beneficial effects of the utility model are, the utility model Horizontal vortex air compressor fueling injection equipment, by secondary oil return is linked into the compression chamber after air-breathing completing, pressure in it is greater than pressure of inspiration(Pi), can not take again the aspirated volume of main frame when air-breathing, thoroughly solved existing scroll type air compressor fueling injection equipment because the gas in secondary oil return is got back to the problem that suction valve causes compressor air-discharging amount to reduce, saved the Partial shrinkage merit of gas recompression in secondary oil return simultaneously, when finally making air displacement improve, reduced corresponding compression work, therefore improved the performance of compressor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fueling injection equipment of existing scroll type air compressor;
Fig. 2 is the structural representation of a preferred embodiment of the utility model;
Fig. 3 be in Fig. 2 in the oil supply gallery position relationship schematic diagram of measured compressed chamber and fixed scroll;
Fig. 4 is the oil supply gallery position relationship schematic diagram of Fig. 2 China and foreign countries' side compression chamber and fixed scroll;
Fig. 5 is scroll type air compressor air compressing process PT figure.
In figure, 1. barrel of oil and gas, 2. pipeline I, 3. oily fine separator, 4. throttling arrangement, 5. pipeline II, 6. suction valve, 7. air filter, 8. main frame, 9. fixed scroll, 10. outlet pipe, 11. oil supply pipelines, 12. coolers, 13. by filter, 14. throttle valve, 15. blower fans, 16. blowdown valves, 17. lubricant oil, 18. secondary returning oil-pipings, SP1. oil supply gallery, H1. intercommunicating pore I, H2. intercommunicating pore II, S1. the first interior survey chamber, the interior survey chamber of S2. second, S3. the first lateral compartments, S4. the second lateral compartments.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The fueling injection equipment of the utility model Horizontal vortex air compressor, comprise barrel of oil and gas 1 and main frame 8, the relief opening of main frame 8 is connected with barrel of oil and gas 1 by outlet pipe 10, main frame 8 is provided with fixed scroll 9, in fixed scroll 9, be provided with the oil supply gallery SP1 that is communicated with main frame compression chamber, the position that is communicated with of oil supply gallery SP1 and main frame compression chamber is positioned at lateral compartments and completes the intermediate pressure place after aspiratory action, oil supply gallery SP1 is connected with barrel of oil and gas 1 bottom by oil supply pipeline 11, oil supply pipeline 11 is provided with cooler 12, oil strainer 13 and throttle valve 14, cooler 12 outsides are provided with blower fan 15, barrel of oil and gas 1 is connected with oily fine separator 3, deaerator 3 is communicated with oil supply pipeline 11 by secondary returning oil-piping 18, the position that secondary returning oil-piping 18 is communicated with oil supply pipeline 11 is between throttle valve 14 and oil supply gallery SP1, secondary returning oil-piping 18 is provided with throttling arrangement 4, barrel of oil and gas 1 bottom is provided with blowdown valve 16,
Wherein the communicating passage of oil supply gallery SP1 and main frame compression chamber has one at least; Barrel of oil and gas 1 is that oily fine separator 3 is arranged on barrel of oil and gas 1 inside or barrel of oil and gas 1 is connected by pipeline with oily fine separator 3 with the annexation of oily fine separator 3; Cooler 12, oil strainer 13 and the position of throttle valve 14 on oil supply pipeline 11 can exchange arbitrarily; Throttling arrangement 4 is throttle orifice or capillary tube.
Fig. 2 is a preferred embodiment of the utility model Horizontal vortex air compressor fueling injection equipment, and the existing structural representation (Fig. 2) in conjunction with this embodiment illustrates working principle of the present invention:
The gas-liquid mixture (mixture of pressurized air and lubricant oil) of discharging from main exhaust mouth flow into barrel of oil and gas 1 through outlet pipe 10, through over-rotation, effect compressed air at centrifugal force is separated with lubricant oil 17, lubricant oil 17 flow into barrel of oil and gas 1 bottom along barrel of oil and gas 1 wall under Action of Gravity Field, flow under pressure in cooler 12, after the Forced Air Convection heat exchange being driven by blower fan 15 with cooler 12 outsides, temperature reduces, in flowing into oil strainer 13, filter out the minute impurities in lubricant oil, by throttle valve 14 step-downs, be injected in oil supply gallery SP1, finally by the intercommunicating pore I H1 and the intercommunicating pore II H2 that are excessively communicated with compression chamber, be injected in compression chamber, after the lubricant oil that overwhelming majority pressurized air has filtered molecule through oily fine separator 3, by discharge tube, be discharged to in the equipment or storage container of gas, a small amount of pressurized air is carried under one's arms lubricant oil together by flowing into oil supply pipeline 11 by secondary returning oil-piping 18 after throttling arrangement 4 step-downs simultaneously, be injected in oil supply gallery SP1, finally by the intercommunicating pore I H1 and the intercommunicating pore II H2 that are excessively communicated with compression chamber, be injected in compression chamber, start new circulation.
As shown in Figure 3, the first medial compartment S1 is moment after aspiratory action completes, intercommunicating pore I H1 is not communicated with the first medial compartment S1 as seen from Figure 3, the second medial compartment S2 is the first medial compartment S1 residing position after crankshaft rotating 360 degree, intercommunicating pore I H1 is communicated with the second medial compartment S2, therefore, the middle pressure P2 of intercommunicating pore I H1 when crankshaft rotating one circle is greater than the pressure of inspiration(Pi) P1 of main frame.
As shown in Figure 4, the first lateral compartments S3 is moment after aspiratory action completes, intercommunicating pore II H2 is not communicated with the first lateral compartments S3 as seen from Figure 4, the second lateral compartments S4 is the first lateral compartments S3 residing position after crankshaft rotating 360 degree, intercommunicating pore II H2 is communicated with the second lateral compartments S4, therefore, the middle pressure P3 of intercommunicating pore II H2 when crankshaft rotating one circle is greater than the pressure of inspiration(Pi) P1 of main frame.
Because when main frame 8 is air-breathing, gas enters intakeport from suction valve, therefore the pressure of suction valve just approximates pressure of inspiration(Pi) P1, and be linked into after suction valve when secondary oil return, main frame is air-breathing while completing, and the gaseous mixture flow of this part secondary oil return must be inhaled in the first medial compartment S1, occupied a part of volume, thereby cause the air displacement of compressor to reduce, particularly, for the compressor of small displacement (being less than 1m3/min), the percentage of the air displacement of impact is just larger.As shown in Figure 5, pressurized air is compressed to exhaust condition 3 from suction condition 1, for prior art, the gas of secondary oil return is throttled directly to pressure P 1 state by the pressure from exhaust condition 3, and for the present invention, the gas of secondary oil return is throttled to the pressure from state 3 state of pressure P 2, because therefore P2>P1 has saved Partial shrinkage merit.
The utility model Horizontal vortex air compressor fueling injection equipment, by secondary oil return is linked into the compression chamber after air-breathing completing, pressure in it is greater than pressure of inspiration(Pi), can not take again the aspirated volume of main frame when air-breathing, thoroughly solved existing scroll type air compressor fueling injection equipment because the gas in secondary oil return is got back to the problem that suction valve causes compressor air-discharging amount to reduce, saved the Partial shrinkage merit of gas recompression in secondary oil return simultaneously, when finally making air displacement improve, reduce corresponding compression work, therefore improved the performance of compressor.
Claims (5)
1. a Horizontal vortex air compressor fueling injection equipment, comprise barrel of oil and gas (1) and main frame (8), the relief opening of described main frame (8) is connected with barrel of oil and gas (1) by outlet pipe (10), described main frame (8) is provided with fixed scroll (9), in described fixed scroll (9), be provided with the oil supply gallery (SP1) that is communicated with main frame compression chamber, described oil supply gallery (SP1) is connected with barrel of oil and gas (1) bottom by oil supply pipeline (11), described oil supply pipeline (11) is provided with cooler (12), oil strainer (13) and throttle valve (14), described barrel of oil and gas (1) is connected with oily fine separator (3), it is characterized in that, described oily fine separator (3) is communicated with oil supply pipeline (11) by secondary returning oil-piping (18), the position that described secondary returning oil-piping (18) is communicated with oil supply pipeline (11) is positioned between throttle valve (14) and oil supply gallery (SP1), secondary returning oil-piping (18) is provided with throttling arrangement (4), the position that is communicated with of described oil supply gallery (SP1) and main frame compression chamber is positioned at lateral compartments and completes the intermediate pressure place after aspiratory action.
2. Horizontal vortex air compressor fueling injection equipment according to claim 1, is characterized in that, the passage that described oil supply gallery (SP1) is communicated with main frame compression chamber has one at least.
3. Horizontal vortex air compressor fueling injection equipment according to claim 1, it is characterized in that, described barrel of oil and gas (1) is that oily fine separator (3) is arranged on barrel of oil and gas (1) inside or barrel of oil and gas (1) is connected by pipeline with oily fine separator (3) with the annexation of oily fine separator (3).
4. Horizontal vortex air compressor fueling injection equipment according to claim 1, is characterized in that, described cooler (12), oil strainer (13) and the position of throttle valve (14) on oil supply pipeline (11) can exchange arbitrarily.
5. Horizontal vortex air compressor fueling injection equipment according to claim 1, is characterized in that, described throttling arrangement (4) is throttle orifice or capillary tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561912.7U CN203463292U (en) | 2013-09-10 | 2013-09-10 | Oil injection device for horizontal vortex type air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561912.7U CN203463292U (en) | 2013-09-10 | 2013-09-10 | Oil injection device for horizontal vortex type air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463292U true CN203463292U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320561912.7U Expired - Fee Related CN203463292U (en) | 2013-09-10 | 2013-09-10 | Oil injection device for horizontal vortex type air compressor |
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| CN (1) | CN203463292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452853A (en) * | 2013-09-10 | 2013-12-18 | 陕西赛恩斯压缩机有限公司 | Oil injection device of scroll air compressor |
-
2013
- 2013-09-10 CN CN201320561912.7U patent/CN203463292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452853A (en) * | 2013-09-10 | 2013-12-18 | 陕西赛恩斯压缩机有限公司 | Oil injection device of scroll air compressor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20180910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |