CN203384051U - Two-stage compression single-screw air compressor - Google Patents
Two-stage compression single-screw air compressor Download PDFInfo
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- CN203384051U CN203384051U CN201320442316.7U CN201320442316U CN203384051U CN 203384051 U CN203384051 U CN 203384051U CN 201320442316 U CN201320442316 U CN 201320442316U CN 203384051 U CN203384051 U CN 203384051U
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Abstract
The utility model provides a two-stage compression single-screw air compressor, belongs to the technical field of machinery and solves the problems that an existing two-stage compression single-screw air compressor is easy to damage and is low in use stability. The two-stage compression single-screw air compressor comprises a motor, an air filter, a first-stage oil-gas separation barrel, a second-stage oil-gas separation barrel, a first-stage compression main unit and a second-stage compression main unit, wherein the first-stage compression main unit and the second-stage compression main unit are connected in series with each other without a shaft seal, wherein a second-stage oil unit oil supplementation pipe is also arranged between the first-stage oil-gas separation barrel and the second-stage compression main unit; an oil supplementation valve is arranged on the second-stage compression main unit. According to the two-stage compression single-screw air compressor, the oil supplementation pipe and the oil supplementation valve are arranged on the first-stage oil-gas separation barrel and the second-stage compression main unit, so that redundant compressor oil in the first-stage compression main unit can be conveyed back into the second-stage compression main unit, and the normal work of the air compressor can be guaranteed. The two-stage compression single-screw air compressor has the advantages of long service life, high efficiency and high reliability.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of universal air compressor, particularly a kind of two stage compression single-screw air compressor.
Background technique
Single screw compressor from the date of birth, just there is the structural advantage that can make High-Pressure Compressor, but on market, there do not is product to occur always, pertinent literature and paper publishing are not arranged yet, the two stage compression of twin-screw is sold to the type market of 4.0Mpa is existing, but due to its structural reason, the main frame bearing very easily damages, and rate of fault is very high.The applicant is for above-mentioned situation, once submitted a patent application on June 12nd, 2012, application number is 201210193035.2, application publication number is CN102705238A, this patent discloses a kind of multi-stage screw of the series type without shaft seal compressor, be connected in series and form by some platform independent compression main frames, described compression main frame at different levels has separately housing alone, it is characterized in that, the volume of the compression main frame of described series connection at different levels reduces from front to back successively, the screw axis of described adjacent compression main frame is by transmission joint part joint transmission, between the housing of described adjacent compression main frame, by Sealing, link together, be provided with an oil return through-hole on described Sealing, described oil return through-hole is connected with the suction port of previous stage main frame.It is in series by the compression main frame of many platform independent, wherein the volume of previous stage main frame is greater than rear one-level main frame, can effectively realize multi-stage booster, thereby the exhaust pressure that makes rear one-level main frame is greater than the previous stage main frame, this multi-stage screw compressor is by arranging the spill port on flange cylinder simultaneously, the long-pending oil produced in flange cylinder can be imported in the main frame of previous stage, on the input shaft of the output shaft of previous stage and rear one-level, shaft seal structure is set, thereby avoid the hidden danger of oil accident.Although this equipment has above various advantages, but the front and back level compression main frame of such multi-stage screw compressor connects without shaft seal, and due to the inner pressure reduction existed of front and back level compression main frame, after long-play, compressor oil in rear one-level compression main frame can infiltrate in previous stage compression main frame gradually, cause rear one-level compression main frame to affect using effect for shortage of oil, and such multi-stage screw compressor needs to spray into water in gas compression processes or the wet goods medium is mixed, simultaneously, can produce the moisture of certain ratio in the air compressing process, if this air is directly discharged afterwards in compressed use, pollute the environment, thereby air needs through being separated in deaerator before discharge, the fluid of after separating is back in the compression main frame and is used, if the impurity of the fluid of after separating is more, tend to have a strong impact on lubricating condition and the greasy property of moving element in compressor, even can further have influence on ride quality and the working life of described helical-lobe compressor.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of two stage compression single-screw air compressor, and it has the long lifetime, high efficiency, the advantage of high reliability.
The purpose of this utility model can realize by following technical proposal: a kind of two stage compression single-screw air compressor, it is characterized in that, comprise motor, air filter, one-level oil gas separating barrel, secondary Oil-gas Separation bucket, the primary oil cooler and the one-level Gas Cooler that with one-level oil gas separating barrel, are connected, the secondary oil cooler and the secondary Gas Cooler that with secondary Oil-gas Separation bucket, are connected, and the one-level be serially connected without shaft seal compression main frame and two-stage compression main frame, be provided with the one-level oil cut-off valve on described one-level compression main frame, be provided with the secondary oil cut-off valve on described two-stage compression main frame, described one-level compression main frame is connected with motor, the suction port of described one-level compression main frame is connected with air filter, described one-level oil gas separating barrel is connected with the relief opening of one-level compression main frame, be connected with the primary oil cooler on the oil outlet of described one-level oil gas separating barrel, described one-level oil cut-off valve is connected with the primary oil cooler, be connected with the one-level Gas Cooler on the air outlet of described one-level oil gas separating barrel, the suction port of described two-stage compression main frame is connected with described one-level Gas Cooler, described secondary Oil-gas Separation bucket is connected with the relief opening of two-stage compression main frame, be connected with the secondary oil cooler on the oil outlet of described secondary Oil-gas Separation bucket, described secondary oil cut-off valve is connected with the secondary oil cooler, on the air outlet of described secondary Oil-gas Separation bucket, be connected with for secondary Gas Cooler air is cooling and output, also be provided with a secondary main frame repairing pipe between the suction port of described one-level oil gas separating barrel and two-stage compression main frame, be provided with Fill valve on described secondary main frame repairing pipe.
In the technical program, air compresses twice pressurization of carrying out of main frame, one-level oil gas separating barrel, one-level Gas Cooler, two-stage compression main frame, secondary Oil-gas Separation bucket and secondary Gas Cooler successively through air filter, one-level, can be with higher Output pressure, and compressor oil is respectively between one-level compression main frame, one-level oil gas separating barrel and primary oil cooler, and form two short circles between two-stage compression main frame, secondary Oil-gas Separation bucket and secondary oil cooler, respectively one-level is compressed the difference circulating lubrication of main frame and two-stage compression main frame.Due to the one-level in the technical program compression main frame and two-stage compression main frame for to be serially connected without shaft seal, and because the pressure in the two-stage compression main frame is greater than the pressure that one-level is compressed main frame, in the long-play process, compressor oil in the two-stage compression main frame slowly seepage compresses main frame as for one-level, by being arranged on repairing pipe and the Fill valve of one-level oil gas separating barrel and two-stage compression main frame, one-level can be compressed to compressor oil too much in main frame and be fed back to the two-stage compression main frame, guarantee the normal operation of this air compressor.
In above-mentioned two stage compression single-screw air compressor, on described secondary Oil-gas Separation bucket, be provided with oil level indicator.This oil level indicator is for detection of the storage of the compressor oil of secondary Oil-gas Separation bucket, oil level in oil level indicator detects secondary Oil-gas Separation bucket is during in low level, Fill valve is opened, pressure reduction between the suction port of dependence one-level oil gas separating barrel and two-stage compression main frame, compressor oil is added in secondary Oil-gas Separation bucket from one-level oil gas separating barrel, oil level in oil level indicator detects secondary Oil-gas Separation bucket is during in a high position, when perhaps the Fill valve opening time reaches the systemic presupposition value, Fill valve is closed.
In above-mentioned two stage compression single-screw air compressor, be provided with butterfly valve between the suction port of described air filter and one-level compression main frame, be provided with the one-level return filter be connected with one-level oil gas separating barrel on described butterfly valve.Butterfly valve, for importing air, can match with one-level oil gas separating barrel again, guarantees the sealing of one-level compression main frame inside.
In above-mentioned two stage compression single-screw air compressor, be provided with one-level emptying solenoid valve and secondary emptying solenoid valve between described loaded valve and one-level compression main frame, described one-level emptying solenoid valve is connected with one-level oil gas separating barrel, be provided with a loading solenoid valve between described one-level emptying solenoid valve and butterfly valve, described loading solenoid valve is connected with cylinder, and described secondary emptying solenoid valve is connected with secondary Oil-gas Separation bucket.Load solenoid valve and butterfly valve and form loaded valve, the intake grill place pressure that can make one-level compress main frame remains the additional force that an enhancing seals before reaching cracking pressure, guarantees the normal air feed of air filter to one-level compression main frame.
In above-mentioned two stage compression single-screw air compressor, be provided with the one-level moisture trap between the suction port of described one-level Gas Cooler and two-stage compression main frame, be provided with automatic drain valve on described moisture trap.The gas mixture that one-level compression main frame is discharged through one-level oil gas separating barrel separate have after part cooling through the one-level Gas Cooler, separate moisture through the one-level moisture trap again, and by automatic drain valve, the moisture separated is discharged, finally be input to the suction port of two-stage compression main frame, this moisture trap can guarantee to enter the air drying property of two-stage compression main frame, avoids affecting compressor oil purity and the lubrication effect in the two-stage compression main frame.
In above-mentioned two stage compression single-screw air compressor, be provided with the first class pressure transmitter between the air outlet of described one-level oil gas separating barrel and one-level Gas Cooler, be provided with the one-level minimum pressure valve between the suction port of described moisture trap and two-stage compression main frame, be provided with secondary minimum pressure valve and secondary pressure transmitter between the air outlet of described secondary Oil-gas Separation bucket and secondary Gas Cooler.Pressure transmitter refers to be output as the pressure transducer of standard signal, is a kind of pressure variations of accepting, and after the sensing conversion, pressure variety is converted to by a certain percentage to the instrument of standard output signals.By load cell, measuring circuit and process link three parts are made, the gas that it can be experienced load cell, the physical pressure parameters such as liquid are transformed into the electrical signal of standard, to supply with indicator alarm, recorder, the secondary meters such as regulator are measured, indication and procedure regulation, the one-level minimum pressure valve is mainly used in setting up in the two-stage SCREW COMPRESSOR and presses, impel the circulation of two-stage compression main frame compressor oil, secondary minimum pressure valve and secondary pressure transmitter are used in conjunction with, play one-way exhaust, prevent that in secondary Oil-gas Separation bucket, isolated compression flows backward in secondary Oil-gas Separation bucket and two-stage compression main frame.
In above-mentioned two stage compression single-screw air compressor, be provided with primary safety valve for inner container on described one-level oil gas separating barrel, be provided with secondary safety valve on described secondary Oil-gas Separation bucket.When the air pressure in the Oil-gas Separation bucket surpasses setting value, corresponding safety valve is opened automatically, bleeds off the part air, thereby reduces the air pressure in the Oil-gas Separation bucket, guarantees the Security that the Oil-gas Separation bucket uses.
In above-mentioned two stage compression single-screw air compressor, the volume of described one-level compression main frame is greater than the volume of two-stage compression main frame, the screw axis of described one-level compression main frame is connected by coupling with the screw axis of two-stage compression main frame, be connected by the one-level connecting cylinder between described one-level compression main frame and motor, be connected by the secondary connecting cylinder between described two-stage compression main frame and one-level compression main frame.Be to connect without shaft seal between one-level compression main frame and two-stage compression main frame, by air pressure, keep sealing.
Compared with prior art, the utlity model has following advantage: 1, air is through two stage compression, and pressure is high, power consumption is more economized, and can be applicable to various types of air compressor structures simultaneously, and Applicable scope is wider; 2, the shaftless envelope that is sealed between the two stage compression main frame, and there is separately a circulating oil path, high lubricating effect; 3, by moisture trap, will compress the air removal moisture that main frame is discharged by one-level, make this single-screw air compressor more stable work, increase the service life; 4, repairing pipe and Fill valve are set, guarantee that this single-screw air compressor can long time running and do not break down.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is pipeline connecting figure of the present utility model.
Fig. 3 is system flow chart of the present utility model.
In figure, 1, the two-stage compression main frame; 2, secondary connecting cylinder; 3, one-level compression main frame; 4, one-level connecting cylinder; 5, add carrier gas cylinder; 6, vibration damper; 7, load solenoid valve; 8, automatic drain valve; 9, motor; 10, moisture trap; 11, one-level minimum pressure valve; 12, one-level Gas Cooler; 13, secondary Gas Cooler; 14, Fill valve; 15, repairing filter; 16, one-level oil gas separating barrel; 17, first class pressure transmitter; 18, secondary pressure transmitter; 19, primary safety valve for inner container; 20, secondary minimum pressure valve; 21, secondary oil strainer; 22, pressure gauge; 23, secondary Oil-gas Separation bucket; 24, secondary safety valve; 25, one-level emptying solenoid valve; 26, secondary emptying solenoid valve; 27, oil level indicator; 28, secondary oil cooler; 29, one-level air inlet tube; 30, butterfly valve; 31, one-level Fuel Cut Solenoid Valve; 32, one-level atmospheric valve; 33, one-level oil cut-off valve; 34, primary oil cooler; 35, secondary Fuel Cut Solenoid Valve; 36, secondary oil cut-off valve; 37; The primary oil filter; 37, air filter; 38, secondary air inlet seat; 39, secondary main frame suction tude; 40, primary oil cooler oil inlet pipe; 41, one-level main exhaust pipe; 42, secondary main exhaust pipe; 43, one-level Gas Cooler suction tude; 44, secondary Gas Cooler suction tude; 45, secondary oil cooler oil inlet pipe; 46, secondary oil cooler oil outlet tube; 47, one-level main frame oil inlet pipe; 48, secondary main frame oil inlet pipe; 49, one-level main frame air induction hose; 50, secondary main frame repairing pipe; 51, primary oil cooler oil outlet tube; 52, one-level temperature transducer; 53, secondary temperature transducer; 54, one-level blowdown valve; 55, secondary blowdown valve; 56, one-level return filter; 57, secondary return filter; 58, pressurized air delivery valve; 59, emptying flow modulating valve; 60, cylinder; 61, air filter; 62, one-level exhaust check valve; 63, secondary exhaust check valve
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
With reference to Fig. 1, the utility model is a kind of two stage compression single-screw air compressor, comprise motor 9, air filter 61, two-stage SCREW COMPRESSOR, one-level oil gas separating barrel 16 and secondary Oil-gas Separation bucket 23, the two-stage SCREW COMPRESSOR comprises one-level compression main frame 3 and the two-stage compression main frame 1 be serially connected without shaft seal structure by labyrinth sealed, one-level compression main frame 3 is connected with motor 9 by one-level connecting cylinder 4, and two-stage compression main frame 1 is connected with one-level compression main frame 3 by secondary connecting cylinder 2.Be provided with primary safety valve for inner container 19 on one-level oil gas separating barrel 16, on secondary Oil-gas Separation bucket 23, be provided with secondary safety valve 24.
With reference to Fig. 1, Fig. 2 and Fig. 3, be provided with butterfly valve 30 and one-level air inlet tube 29 on one-level compression main frame 3, be provided with one-level emptying solenoid valve 25, secondary emptying solenoid valve 26 and emptying flow modulating valve 59 on butterfly valve 30, emptying flow modulating valve 59 is for regulating the emptying amount, to guarantee the sealing of one-level compression main frame 3.One-level emptying solenoid valve 25 is connected with one-level oil gas separating barrel 16, also is provided with a loading solenoid valve 7 between one-level emptying solenoid valve 25 and butterfly valve 30, and this loading solenoid valve 7 is connected with cylinder 60.Be provided with the one-level return filter 56 be connected with one-level oil gas separating barrel 16 on butterfly valve 30.Secondary emptying solenoid valve 26 is connected with secondary Oil-gas Separation bucket 23.Between air inlet tube 29 and air filter 61, by one-level main frame air induction hose 49, be connected, the relief opening of one-level compression main frame 3 is connected with one-level oil gas separating barrel 16 by one-level main exhaust pipe 41, one-level Gas Cooler 12 is connected on the air outlet of one-level oil gas separating barrel 16 by one-level Gas Cooler suction tude 43, this one-level Gas Cooler suction tude 43 be provided with first class pressure transmitter 17, secondary air inlet seat 38 on two-stage compression main frame 1 is connected with one-level Gas Cooler 12 by secondary main frame suction tude 39, also be provided with secondary return filter 57 between the suction port of two-stage compression main frame 1 and two-stage compression main frame 1, be provided with moisture trap 10 on secondary main frame suction tude 39, be provided with the automatic drain valve 8 that isolated moisture can be discharged on moisture trap 10, be provided with one-level pressure minimum device 11 on the air outlet of moisture trap 10, the relief opening of two-stage compression main frame 1 is connected with secondary Oil-gas Separation bucket 23 by secondary main exhaust pipe 42, be provided with secondary minimum pressure valve 20 on the air outlet of secondary Oil-gas Separation bucket 23, secondary Gas Cooler 13 is connected on secondary minimum pressure valve 20 by secondary Gas Cooler suction tude 44, also be provided with secondary pressure transmitter 18 on secondary Gas Cooler suction tude 44, be connected with pressurized air delivery valve 58 on the air outlet of secondary Gas Cooler 13, above-mentioned is air compressing flow line structure in the present embodiment.
See figures.1.and.2, primary oil cooler 34 is connected with the oil outlet of one-level oil gas separating barrel 16 by primary oil cooler oil inlet pipe 40, primary oil cooler 34 is connected with one-level oil cut-off valve 33 by primary oil cooler oil outlet tube 51, also be provided with primary oil filter 37 on this primary oil cooler 34, be provided with one-level Fuel Cut Solenoid Valve 31 on one-level oil cut-off valve 33, thereby compressor oil is looped back and transports in one-level compression main frame 3, and above-mentioned is the compressor oil circulating pipeline structure capable of one-level compression main frame 3 in the present embodiment.
See figures.1.and.2, secondary oil cooler 28 is connected with the oil outlet of secondary Oil-gas Separation bucket 23 by secondary oil cooler oil inlet pipe 45, secondary oil cooler 28 is connected with secondary oil cut-off valve 36 by secondary oil cooler oil outlet tube 46, also be provided with secondary oil strainer 21 on this secondary oil cooler oil outlet tube 46, be provided with secondary Fuel Cut Solenoid Valve 35 on secondary oil cut-off valve 36, thereby compressor oil is looped back and transports in two-stage compression main frame 1, and above-mentioned is the compressor oil circulating pipeline structure capable of two-stage compression main frame 1 in the present embodiment.
See figures.1.and.2, secondary Oil-gas Separation bucket 23 is provided with oil level indicator 17, between the suction port of one-level oil gas separating barrel 16 and two-stage compression main frame 1, by secondary main frame repairing pipe 5, be connected, be provided with Fill valve 14 on this secondary main frame repairing pipe 5, be provided with repairing filter 15 on the filler opening of this Fill valve 14.
With reference to Fig. 3, the method of work of the two stage compression single-screw air compressor in the present embodiment is as follows, one-level compression main frame 3 is by air filter 61 input airs, air is after 3 compressions of one-level compression main frame and the compressor oil formation gas mixture that is mixed, the relief opening that this gas mixture compresses main frame 3 by one-level enters in one-level oil gas separating barrel 16 and carries out Oil-gas Separation one time, compressor oil after first separation is fed back in one-level compression main frame 3 through primary oil cooler 34 and one-level oil cut-off valve 33, pressurized air after first separation enters into after moisture trap 10 is discharged unnecessary moisture and enters two-stage compression main frame 1 again after one-level Gas Cooler 12 is cooling, and mix and again form gas mixture with the compressor oil in two-stage compression main frame 1, the relief opening of this gas mixture by two-stage compression main frame 1 enters in secondary Oil-gas Separation bucket 23 and carries out the secondary oil gas separation, compressor oil after secondary separation is fed back in two-stage compression main frame 1 through secondary oil cooler 28 and secondary oil cut-off valve 35, pressurized air after secondary separation is exported to the external world by pressurized air delivery valve 58 after secondary Gas Cooler 13 is cooling, when the oil level indicator 27 on secondary Oil-gas Separation bucket 23 detects compressor oil pasta after the 23 interior separation of secondary Oil-gas Separation bucket lower than the low value of systemic presupposition, Fill valve 14 is opened, compressor oil after the 16 interior first separations of one-level oil gas separating barrel enters two-stage compression main frame 1 by pressure reduction by one-level oil gas separating barrel 16, compressor oil to two-stage compression main frame 1 and secondary Oil-gas Separation bucket 23 is supplemented, compressor oil pasta after oil level indicator 27 detects the 23 interior separation of secondary Oil-gas Separation bucket reaches the systemic presupposition time higher than high value or Fill valve 14 opening times of systemic presupposition, Fill valve 14 is closed.
In the present embodiment, the volume of one-level compression main frame 3 is greater than the volume of two-stage compression main frame 1, the screw axis of one-level compression main frame 3 is connected by coupling with the screw axis of two-stage compression main frame 1, and the inner chamber of one-level compression main frame 3 and the intracavity inter-connection of two-stage compression main frame 1.The present embodiment when work one-level oil cut-off valve 33 and secondary oil cut-off valve 35 open simultaneously or close, can guarantee that one-level compression main frame 3 and two-stage compression main frame 1 pressure difference value keep constant, avoid occurring leakage of oil between the two, make one-level compression main frame 3 and two-stage compression main frame 1 to be lubricated simultaneously and to lower the temperature simultaneously, avoid scaling loss.
Two-stage SCREW COMPRESSOR in the present embodiment is without shaft seal structure, [application number is 201210193035.2 in a patent application that this structure is formerly submitted at me, the applying date: on June 12nd, 2012, application publication number is CN102705238A] in be documented, this paper repeats no more.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more been used two-stage compression main frame 1, secondary connecting cylinder 2, one-level compression main frame 3, one-level connecting cylinder 4, add carrier gas cylinder 5, vibration damper 6, load solenoid valve 7, automatic drain valve 8, motor 9, moisture trap 10, one-level minimum pressure valve 11, one-level Gas Cooler 12, secondary Gas Cooler 13, Fill valve 14, repairing filter 15, one-level oil gas separating barrel 16, first class pressure transmitter 17, secondary pressure transmitter 18, primary safety valve for inner container 19, secondary minimum pressure valve 20, secondary oil strainer 21, pressure gauge 22, secondary Oil-gas Separation bucket 23, secondary safety valve 24, one-level emptying solenoid valve 25, secondary emptying solenoid valve 26, oil level indicator 27, secondary oil cooler 28, one-level air inlet tube 29, butterfly valve 30, one-level Fuel Cut Solenoid Valve 31, one-level atmospheric valve 32, one-level oil cut-off valve 33, primary oil cooler 34, secondary Fuel Cut Solenoid Valve 35, secondary oil cut-off valve 36, primary oil filter 37, air filter 37, secondary air inlet seat 38, secondary main frame suction tude 39, primary oil cooler oil inlet pipe 40, one-level main exhaust pipe 41, secondary main exhaust pipe 42, one-level Gas Cooler suction tude 43, secondary Gas Cooler suction tude 44, secondary oil cooler oil inlet pipe 45, secondary oil cooler oil outlet tube 46, one-level main frame oil inlet pipe 47, secondary main frame oil inlet pipe 48, one-level main frame air induction hose 49, secondary main frame repairing pipe 50, primary oil cooler oil outlet tube 51, one-level temperature transducer 52, secondary temperature transducer 53, one-level blowdown valve 54, secondary blowdown valve 55, one-level return filter 56, secondary return filter 57, pressurized air delivery valve 58, emptying flow modulating valve 59, cylinder 60, air filter 61, one-level exhaust check valve 62, secondary exhaust check valve 63 terms such as grade, but do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (8)
1. a two stage compression single-screw air compressor, it is characterized in that, comprise motor (9), air filter (61), one-level oil gas separating barrel (16), secondary Oil-gas Separation bucket (23), the primary oil cooler (34) be connected with one-level oil gas separating barrel (16) and one-level Gas Cooler (12), the secondary oil cooler (28) be connected with secondary Oil-gas Separation bucket (23) and secondary Gas Cooler (13), and the one-level be serially connected without shaft seal compression main frame (3) and two-stage compression main frame (1), be provided with one-level oil cut-off valve (33) on described one-level compression main frame (3), be provided with secondary oil cut-off valve (36) on described two-stage compression main frame (1), described one-level compression main frame (3) is connected with motor (9), the suction port of described one-level compression main frame (3) is connected with air filter (61), described one-level oil gas separating barrel (16) is connected with the relief opening of one-level compression main frame (3), be connected with primary oil cooler (34) on the oil outlet of described one-level oil gas separating barrel (16), described one-level oil cut-off valve (33) is connected with primary oil cooler (34), be connected with one-level Gas Cooler (12) on the air outlet of described one-level oil gas separating barrel (16), the suction port of described two-stage compression main frame (1) is connected with described one-level Gas Cooler (12), described secondary Oil-gas Separation bucket (23) is connected with the relief opening of two-stage compression main frame (1), be connected with secondary oil cooler (28) on the oil outlet of described secondary Oil-gas Separation bucket (23), described secondary oil cut-off valve (36) is connected with secondary oil cooler (28), on the air outlet of described secondary Oil-gas Separation bucket (23), be connected with for secondary Gas Cooler (13) air is cooling and output, also be provided with a secondary main frame repairing pipe (5) between the suction port of described one-level oil gas separating barrel (16) and two-stage compression main frame (1), be provided with Fill valve (14) on described secondary main frame repairing pipe (5).
2. two stage compression single-screw air compressor according to claim 1, is characterized in that, is provided with oil level indicator (27) on described secondary Oil-gas Separation bucket (23).
3. two stage compression single-screw air compressor according to claim 1, it is characterized in that, be provided with butterfly valve (30) between the suction port of described air filter (61) and one-level compression main frame (3), be provided with the one-level return filter (56) be connected with one-level oil gas separating barrel (16) on described butterfly valve (30).
4. two stage compression single-screw air compressor according to claim 3, it is characterized in that, be provided with one-level emptying solenoid valve (25) and secondary emptying solenoid valve (26) between described butterfly valve (30) and one-level compression main frame (3), described one-level emptying solenoid valve (25) is connected with one-level oil gas separating barrel (16), be provided with a loading solenoid valve (7) between described one-level emptying solenoid valve (25) and butterfly valve (30), described loading solenoid valve (7) is connected with cylinder (60), described secondary emptying solenoid valve (26) is connected with secondary Oil-gas Separation bucket (23).
5. two stage compression single-screw air compressor according to claim 1, it is characterized in that, be provided with one-level moisture trap (10) between the secondary suction port (38) of described one-level Gas Cooler (12) and two-stage compression main frame (1), be provided with automatic drain valve (8) on described moisture trap (10).
6. two stage compression single-screw air compressor according to claim 5, it is characterized in that, be provided with first class pressure transmitter (17) between the air outlet of described one-level oil gas separating barrel (16) and one-level Gas Cooler (12), be provided with one-level minimum pressure valve (11) between the suction port of described moisture trap (10) and two-stage compression main frame (1), be provided with secondary minimum pressure valve (20) and secondary pressure transmitter (18) between the secondary air outlet of described secondary Oil-gas Separation bucket (23) and secondary Gas Cooler (13).
7. two stage compression single-screw air compressor according to claim 1, is characterized in that, is provided with primary safety valve for inner container (19) on described one-level oil gas separating barrel (16), is provided with secondary safety valve (24) on described secondary Oil-gas Separation bucket (23).
8. according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 described two stage compression single-screw air compressors, it is characterized in that, the volume of described one-level compression main frame (3) is greater than the volume of two-stage compression main frame (1), the screw axis of described one-level compression main frame (3) is connected by coupling with the screw axis of two-stage compression main frame (1), between described one-level compression main frame (3) and motor, by one-level connecting cylinder (4), be connected, described two-stage compression main frame (1) and one-level are compressed between main frame (3) and are connected by secondary connecting cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320442316.7U CN203384051U (en) | 2013-07-22 | 2013-07-22 | Two-stage compression single-screw air compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320442316.7U CN203384051U (en) | 2013-07-22 | 2013-07-22 | Two-stage compression single-screw air compressor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362813A (en) * | 2013-07-22 | 2013-10-23 | 徐道敏 | Two-stage compression single-screw air compressor and work method thereof |
| CN105422453A (en) * | 2015-12-10 | 2016-03-23 | 徐道敏 | Oil-free screw type two-stage air compressor |
| CN107829956A (en) * | 2017-09-30 | 2018-03-23 | 南京创贝高速传动机械有限公司 | A kind of centrifugal permanent-magnet frequency-changeable compressor and its twin-screw main unit mechanism |
| CN111022301A (en) * | 2019-12-23 | 2020-04-17 | 东莞雅迪勤压缩机制造有限公司 | Oilless middle-high pressure air compressor |
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2013
- 2013-07-22 CN CN201320442316.7U patent/CN203384051U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362813A (en) * | 2013-07-22 | 2013-10-23 | 徐道敏 | Two-stage compression single-screw air compressor and work method thereof |
| CN103362813B (en) * | 2013-07-22 | 2016-04-27 | 徐道敏 | A kind of two stage compression single-screw air compressor and method of work thereof |
| CN105422453A (en) * | 2015-12-10 | 2016-03-23 | 徐道敏 | Oil-free screw type two-stage air compressor |
| CN107829956A (en) * | 2017-09-30 | 2018-03-23 | 南京创贝高速传动机械有限公司 | A kind of centrifugal permanent-magnet frequency-changeable compressor and its twin-screw main unit mechanism |
| CN107829956B (en) * | 2017-09-30 | 2019-09-27 | 南京创贝高速传动机械有限公司 | A kind of centrifugal permanent-magnet frequency-changeable compressor and its twin-screw main unit mechanism |
| CN111022301A (en) * | 2019-12-23 | 2020-04-17 | 东莞雅迪勤压缩机制造有限公司 | Oilless middle-high pressure air compressor |
| CN111022301B (en) * | 2019-12-23 | 2024-06-04 | 东莞雅迪勤压缩机制造有限公司 | Oilless medium-high pressure air compressor |
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Owner name: ZHEJIANG JIENENG COMPRESS EQUIPMENT CO., LTD. Free format text: FORMER OWNER: XU DAOMIN Effective date: 20150731 |
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Effective date of registration: 20150731 Address after: 317106, Zhejiang, Taizhou Province three counties Pu dam Town Kong Kong (industrial agglomeration) Patentee after: Zhejiang Jieneng Compress Equipment Co., Ltd. Address before: Dong Jia Yang Cun Jia Zhi Jie Dao Jiaojiang District of Taizhou City, Zhejiang Province, No. 33 318000 Patentee before: Xu Daomin |
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