CN204511888U - A kind of device for reducing fuel injection helical lobe compressor gas - Google Patents
A kind of device for reducing fuel injection helical lobe compressor gas Download PDFInfo
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- CN204511888U CN204511888U CN201520135516.7U CN201520135516U CN204511888U CN 204511888 U CN204511888 U CN 204511888U CN 201520135516 U CN201520135516 U CN 201520135516U CN 204511888 U CN204511888 U CN 204511888U
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- whirl cylinder
- oil
- hole
- discharging joint
- volute
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Abstract
For reducing a device for fuel injection helical lobe compressor gas, belong to compressor vibration and noise reducing device field.Comprise volute housing, whirl cylinder, water conservancy diversion shunt and oil-discharging joint, suction port is arranged at the top of volute housing, there is volute runner at middle part, bottom establishes through hole, volute housing forms air outlet at sidepiece and along the bearing of trend of volute runner; Whirl cylinder be hollow and the ostiolate cylindrical body in top, it to stretch in the die cavity of volute housing both structures for being fixedly connected with by through hole, whirl cylinder offers eddy flow through hole on sidewall, and whirl cylinder forms step on the inwall of below, and whirl cylinder establishes oil-discharging joint mounting hole in bottom; Water conservancy diversion shunt comprises cone and guide vane, and be bearing on step in the die cavity that cone is placed in whirl cylinder, the base of guide vane and the conical surface of cone are fixed; Oil-discharging joint and oil-discharging joint mounting hole connect.During helical-lobe compressor work, the amplitude of its exhaust airstream pulsation is all less, effectively reduces vibration & noise.
Description
Technical field
The utility model belongs to compressor vibration and noise reducing device technical field, is specifically related to a kind of device for reducing fuel injection helical lobe compressor gas.
Background technique
Helical-lobe compressor is a kind of novel rotary type displacement compressor, has that structure is simple, reliability is high and the series of advantages such as convenient operating maintenance, has been widely used in the industrial field such as refrigeration air-conditioner and aerodynamic force, oil, chemical industry.Helical-lobe compressor by engaging each other for a pair, the rotor of the yin, yang spiral-shaped teeth of contrary rotation direction forms, along with the rotary motion of rotor in body, compressor operating volume constantly changes due to the intrusion of tooth or disengagement, thus the volume between periodic variation rotor often pair of teeth groove, the object of air-breathing, compression and exhaust is reached with this.The operation process of helical-lobe compressor is from breathing process, and then gas is discharged by relief opening after being compressed.
But, helical-lobe compressor does not arrange outlet valve, often there will be gas phenomenon in the course of the work, main manifestations is: in exhaust process, the flow area of exhaust cavity constantly changes, due to different at the gas flow not flowing through vent ports in the same time, thus inevitably produce gas phenomenon; When design conditions and actual conditions inconsistent time, in the moment that active chamber is communicated with exhaust cavity, to there will be etc. and hold compression or swelling, gas flow now can cause gas phenomenon; Especially, for fuel injection helical lobe compressor, be the lubricant oil of vaporific, drop-wise or bulk containing a large amount of states in exhaust, described lubricant oil enters gas-oil separating cylinder by gas exhaust piping under air-flow drives, because the distribution of lubricant oil mixes with pressurized air is uneven, therefore can cause the non-uniform mass of gas mixture, and then also can cause the gas in gas exhaust piping.Gas is the principal element causing the vibration of compressor and coupled pipeline, the high frequency flutter of outlet valve, can produce strong noise thus, reduces reliability and the Economy of compressor.In view of above-mentioned prior art, the necessary gas amplitude taken effective measures when reducing helical-lobe compressor exhaust.For this reason, the applicant has done useful design, and technological scheme described below produces under this background.
Summary of the invention
The purpose of this utility model is to provide a kind of device for reducing fuel injection helical lobe compressor gas, existing the fuel injection helical lobe compressor vibration that caused by gas and noise problem when being vented can be overcome, reduce gas amplitude during helical-lobe compressor work, improve the working stability of helical-lobe compressor.
The purpose of this utility model reaches like this, a kind of device for reducing fuel injection helical lobe compressor gas, it is characterized in that: comprise volute housing, whirl cylinder, water conservancy diversion shunt and oil-discharging joint, described volute housing has suction port, closely middle part on the top of short transverse and formed on volute runner, bottom wall body around axis offers through hole, described suction port is connected with the relief opening of helical-lobe compressor, and the bearing of trend of described volute housing at sidepiece and along volute runner is formed with air outlet; Described whirl cylinder be hollow and top has the cylindrical body of opening, it to stretch in the die cavity of volute housing via described through hole and from bottom to top with volute housing structure for being fixedly connected with, described whirl cylinder is on sidewall and offer multiple eddy flow through hole be connected with volute runner around circumferencial direction, whirl cylinder is on the inwall of the nearly below of short transverse and be formed with step around circumferencial direction, and whirl cylinder is provided with oil-discharging joint mounting hole in the bottom of short transverse; Described water conservancy diversion shunt comprises cone and guide vane, and be bearing on described step in the die cavity that described cone is placed in whirl cylinder, the base of described guide vane and the conical surface of cone fixedly mount; The oil-discharging joint mounting hole of described oil-discharging joint and whirl cylinder connects.
In a specific embodiment of the present utility model, described whirl cylinder expands around circumferencial direction on the outer of the nearly bottom of short transverse to be established and is configured with a flange, spaced apartly in the edge of this flange is provided with multiple bolt hole; Described volute housing is spaced apart on diapire is provided with and screw that quantity equal corresponding with described bolt hole position; Bolt through screwing in after bolt hole in corresponding screw, realizes being fixedly connected with of whirl cylinder and volute housing.
In another specific embodiment of the present utility model, described multiple eddy flow through holes distribute around circumferencial direction uniform intervals on the sidewall of whirl cylinder.
In another specific embodiment of the present utility model, described guide vane has many pieces, axis uniform intervals respectively around cone distributes, gap between adjacent two pieces of guide vanes is configured to water conservancy diversion runner, and each water conservancy diversion runner is corresponding with eddy flow through hole uniform on whirl cylinder sidewall and communicate.
In another specific embodiment of the present utility model, described oil-discharging joint mounting hole is interior threaded hole, described oil-discharging joint is arranging with one end port that oil-discharging joint mounting hole connects the outside thread matched with described interior threaded hole, and oil-discharging joint screws with oil-discharging joint mounting hole and is connected.
The utility model by whirl cylinder and water conservancy diversion shunt with the use of, the separately flowing of the oil gas during fuel injection helical lobe compressor can be made to be vented, greatly alleviate uneven due to mass distribution in gas exhaust piping and gas phenomenon that is that cause; In addition, the inner cavity space of volute housing is comparatively large, can use simultaneously, also can reduce the amplitude of gas further as buffer cavity, finally significantly can reduce the noise and vibration of fuel injection helical lobe compressor system, improve the working stability of fuel injection helical lobe compressor system.
Accompanying drawing explanation
Fig. 1 is the front view of an embodiment of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the stereogram of whirl cylinder described in the utility model.
Fig. 5 is the stereogram of water conservancy diversion shunt described in the utility model.
In figure: 1. volute housing, 11. suction ports, 12. volute runners, 13. air outlets, 14. through holes, 15. screws; 2. whirl cylinder, 21. eddy flow through holes, 22. steps, 23. oil-discharging joint mounting holes, 24. flanges, 241. bolts hole; 3. water conservancy diversion shunt, 31. cones, 32. guide vanes, 33. water conservancy diversion runners; 4. oil-discharging joint; 5. bolt.
Embodiment
Claimant will describe in detail embodiment of the present utility model below by reference to the accompanying drawings; but claimant is not the restriction to technological scheme to the description of embodiment, any changing in the form rather than substance according to the utility model design all should be considered as protection domain of the present utility model.
When being vented, described fuel injection helical lobe compressor occurs that gas phenomenon is determined by its working principle, and be difficult in the inner eliminating gas flow pulsation phenomenon of compressor, and the most effective method of eliminating gas flow pulsation is the device installed in the source of fuel injection helical lobe compressor exhaust and relief opening for reducing gas, therefore, be installed on the relief opening of fuel injection helical lobe compressor during the utility model application.
Refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the utility model relates to a kind of device for reducing fuel injection helical lobe compressor gas, comprises volute housing 1, whirl cylinder 2, water conservancy diversion shunt 3 and oil-discharging joint 4.Described volute housing 1 has suction port 11, closely middle part on the top of short transverse and formed on volute runner 12, bottom wall body around axis offers through hole 14, described suction port 11 is connected with the relief opening of helical-lobe compressor, described volute housing 1 is formed with air outlet 13 at sidepiece and along the bearing of trend of volute runner 12, and described air outlet 13 is connected with knockout drum.
Described whirl cylinder 2 is hollow and top has the cylindrical body of opening, and it to stretch in the die cavity of volute housing 1 via described through hole 14 and from bottom to top with volute housing 1 structure for being fixedly connected with.Particularly, described whirl cylinder 2 expands around circumferencial direction on the outer of the nearly bottom of short transverse to be established and is configured with a flange 24, spaced apartly in the edge of this flange 24 is provided with multiple bolt hole 241; Described volute housing 1 is spaced apart on diapire is provided with and screw 15 that quantity equal corresponding with described bolt hole 241 position; Bolt 5 is screwing in corresponding screw 15 through after bolt hole 241, realizes being fixedly connected with of whirl cylinder 2 and volute housing 1.Whirl cylinder 2 is on sidewall and offer multiple eddy flow through hole 21 be connected with the volute runner 12 of volute housing 1 around circumferencial direction uniform intervals; Whirl cylinder 2 is on the inwall of the nearly below of short transverse and be formed with step 22 around circumferencial direction.Whirl cylinder 2 is provided with oil-discharging joint mounting hole 23 in the bottom of short transverse, and described oil-discharging joint mounting hole 23 is interior threaded hole.Described water conservancy diversion shunt 3 comprises cone 31 and guide vane 32, and be bearing on the step 22 of whirl cylinder 2 in the die cavity that described cone 31 inserts whirl cylinder 2, the base of described guide vane 32 and the conical surface of cone 31 fixedly mount.Guide vane 32 has many pieces, and the axis uniform intervals respectively around cone 31 distributes, and the gap between adjacent two pieces of guide vanes 32 is configured to water conservancy diversion runner 33, and each water conservancy diversion runner 33 is corresponding with eddy flow through hole 21 uniform on whirl cylinder 2 sidewall and communicate.One end port that described oil-discharging joint 4 is connecting with oil-discharging joint mounting hole 23 arranges outside thread, and the internal thread of this outside thread and oil-discharging joint mounting hole 23 screws, and realizes being fixedly connected with of oil-discharging joint 4 and whirl cylinder 2; The other end of oil-discharging joint 4 is connected with knockout drum.
Please continue to refer to Fig. 1 ~ Fig. 5, working principle of the present utility model is described:
Fuel injection helical lobe compressor discharges chaotic oil-containing gases via relief opening, and this oil-containing gases, after the eddy flow through hole 21 of the guide channel 33 and whirl cylinder 2 that flow through water conservancy diversion shunt 3 successively, is divided into the volute runner 12 that multiply swirling eddy enters volute housing 1.This multiply swirling eddy is along volute runner 12 centrifugal flow, in flow process, the bottom flowing into whirl cylinder 2 is concentrated after the wall body of volute housing 1 is clashed in oil droplet in swirling eddy and oil group, lubricant oil bottom whirl cylinder 2 enters knockout drum by oil-discharging joint 4 again, and the air-flow being lowered pulsation then enters knockout drum through volute runner 12 from air outlet 13.Because the inner cavity space of volute housing 1 is comparatively large, can use as buffer cavity simultaneously, therefore, it is possible to reduce the amplitude of gas further, reduce the vibration & noise of compressor and coupled pipeline.
Claims (5)
1.
a kind of device for reducing fuel injection helical lobe compressor gas, it is characterized in that: comprise volute housing (1), whirl cylinder (2), water conservancy diversion shunt (3) and oil-discharging joint (4), described volute housing (1) has suction port (11) on the top of short transverse, nearly middle part and around axis formed volute runner (12), bottom wall body is offered through hole (14), described suction port (11) is connected with the relief opening of helical-lobe compressor, described volute housing (1) is formed with air outlet (13) at sidepiece and along the bearing of trend of volute runner (12), described whirl cylinder (2) is hollow and top has the cylindrical body of opening, it to stretch in the die cavity of volute housing (1) via described through hole (14) and from bottom to top with volute housing (1) structure for being fixedly connected with, described whirl cylinder (2) is on sidewall and offer multiple eddy flow through hole (21) be connected with volute runner (12) around circumferencial direction, whirl cylinder (2) is on the inwall of the nearly below of short transverse and be formed with step (22) around circumferencial direction, whirl cylinder (2) is provided with oil-discharging joint mounting hole (23) in the bottom of short transverse, described water conservancy diversion shunt (3) comprises cone (31) and guide vane (32), be bearing on described step (22) in the die cavity that described cone (31) is placed in whirl cylinder (2), the base of described guide vane (32) and the conical surface of cone (31) fixedly mount, described oil-discharging joint (4) connects with the oil-discharging joint mounting hole (23) of whirl cylinder (2).
2.
a kind of device for reducing fuel injection helical lobe compressor gas according to claim 1, it is characterized in that described whirl cylinder (2) expands around circumferencial direction on the outer of the nearly bottom of short transverse to establish and be configured with a flange (24), spaced apartly in the edge of this flange (24) be provided with multiple bolt hole (241); Described volute housing (1) is spaced apart on diapire is provided with and screw (15) that quantity equal corresponding with described bolt hole (241) position; Bolt (5) is screwing in corresponding screw (15) afterwards through bolt hole (241), realizes being fixedly connected with of whirl cylinder (2) and volute housing (1).
3.
a kind of device for reducing fuel injection helical lobe compressor gas according to claim 1, is characterized in that described multiple eddy flow through holes (21) distribute around circumferencial direction uniform intervals on the sidewall of whirl cylinder (2).
4.
a kind of device for reducing fuel injection helical lobe compressor gas according to claim 1 or 3, it is characterized in that described guide vane (32) has many pieces, axis uniform intervals respectively around cone (31) distributes, gap between adjacent two pieces of guide vanes (32) is configured to water conservancy diversion runner (33), and each water conservancy diversion runner (33) is corresponding with eddy flow through hole (21) uniform on whirl cylinder (2) sidewall and communicate.
5.
a kind of device for reducing fuel injection helical lobe compressor gas according to claim 1, it is characterized in that described oil-discharging joint mounting hole (23) is interior threaded hole, described oil-discharging joint (4) is arranging with one end port that oil-discharging joint mounting hole (23) connects the outside thread matched with described interior threaded hole, and oil-discharging joint (4) screws with oil-discharging joint mounting hole (23) and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520135516.7U CN204511888U (en) | 2015-03-10 | 2015-03-10 | A kind of device for reducing fuel injection helical lobe compressor gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520135516.7U CN204511888U (en) | 2015-03-10 | 2015-03-10 | A kind of device for reducing fuel injection helical lobe compressor gas |
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| CN204511888U true CN204511888U (en) | 2015-07-29 |
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| CN201520135516.7U Active CN204511888U (en) | 2015-03-10 | 2015-03-10 | A kind of device for reducing fuel injection helical lobe compressor gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410319A (en) * | 2019-07-19 | 2019-11-05 | 泉州台商投资区五季网络有限公司 | Energy-saving refrigeration air conditioner compressor with linear creeping |
-
2015
- 2015-03-10 CN CN201520135516.7U patent/CN204511888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410319A (en) * | 2019-07-19 | 2019-11-05 | 泉州台商投资区五季网络有限公司 | Energy-saving refrigeration air conditioner compressor with linear creeping |
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