CN101514703B - Idling-free unloading energy saving screw type air compressor - Google Patents
Idling-free unloading energy saving screw type air compressor Download PDFInfo
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- CN101514703B CN101514703B CN200910096877A CN200910096877A CN101514703B CN 101514703 B CN101514703 B CN 101514703B CN 200910096877 A CN200910096877 A CN 200910096877A CN 200910096877 A CN200910096877 A CN 200910096877A CN 101514703 B CN101514703 B CN 101514703B
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Abstract
The invention discloses an air compressor, aiming at providing an idling-free unloading energy saving screw type air compressor. The air compressor comprises a host provided with a screw inside and a motor connected with the host by a coupling; the host is provided with an air inlet and is connected with a oil-gas separating pot by a oil-gas mixed pipe, the oil-gas separating pot is connected with the host by the lubricating oil pipe and through a radiator and provided with a compressed air pipe for outputting the air compressor, an air filter is arranged at the air inlet of the host by an air inlet filtering base, a fuel cut-off electromagnetic valve is arranged on the lubricating oil pipe between the radiator and the host; a minimum pressure valve is arranged at the compressed air pipe. The screw air compressor can be started directly without idling unloading and has simple structure, the production cost can be reduced by 25-30%, the energy is saved by 20 to 30%, the internal pressure of the host is zero after the air compressor stops, the air compressor immediately starts after stopping not to be over-current, thus greatly improving the use convenience and being convenient for moving.
Description
Technical field
The present invention relates to a kind of air compressor, specifically is a kind of idling-free unloading energy saving screw type air compressor.
Background technique
Screw air compressor is claimed screw air compressor again, is a kind of at widely used standard equipment such as industrial enterprise, mine, oil fields.At present a large amount of screw air compressors that use all must be closed suction valve when compressed air pressure during to setting pressure, and unloading is dallied then, finishes and could start shooting up to putting the main frame internal pressure.If the internal pressure actuating motor is arranged, because of load resistance too big startup not, and can burn motor because of excess current.So general air compressor has time of 1/3 all to be used in to do closes in the suction valve idle running unloading, causes the huge waste of electric energy; Simultaneously, because present small-sized screw air compressor complex structure, cost of production is too high, does not have competitive ability on the price; Based on above two reasons, the air compressor of 4～15KW in the existing market, more than 95% still utilization efficiency very low, waste energy, piston type air compressor that noise rings.
Summary of the invention
The objective of the invention is provides a kind of idling-free unloading energy saving screw type air compressor in order to overcome the deficiency of existing technology.
In order to reach the object of the invention, the present invention is achieved in that
The invention provides a kind of idling-free unloading energy saving screw type air compressor, establish the main frame of screw rod and the motor that connects with it through coupling in comprising; Main frame is established air inlet, and main frame connects catch pot through the oil gas mixing tube road, between main frame and the catch pot one-way valve is housed; Catch pot is connected to main frame through lubricating oil pipeline through radiator, establishes compressed air line on the catch pot and is used to export pressurized air; There is an air filter to be installed on the air intlet on the main frame through the empty filter block of air inlet; On the lubricating oil pipeline between radiator and the main frame, a Fuel Cut Solenoid Valve is set; A minimum pressure valve is set on the compressed air line, and minimum pressure valve is an one-way valve.
As a kind of improvement, said empty filter block is the empty filter block of band blowout prevention oil baffle, comprises the base plate and the air induction mast that links to each other with base plate of sky filter block, and staggered being arranged to lacked two baffle plates on the inwall of said air induction mast, and in the vertical direction is overlapped between the baffle plate.
As a kind of improvement, the edge of opening of said baffle plate is lower than the built-in edge that itself and air induction mast join, and baffle plate is downward-sloping shape.
As a kind of improvement, the cross section of said air induction mast is circular.
As a kind of improvement, also comprise a gas holder that is used for the high-pressure air of storing compressed air pipeline output; Said gas holder and catch pot are one, and both have the tank body of an integral body, and tank interior has a dividing plate, and tank body is divided into two-part not of uniform size; Wherein less is deaerator, connects lubricating oil pipeline and oil gas mixing tube road; Wherein bigger is gas holder, connects compressed air line.
As a kind of improvement, be provided for installing the fixed pedestal of motor and main frame on the said tank body, tank base is provided with lower shaft and is used for installing wheel.
As a kind of improvement, some wheels are installed on the said lower shaft.
As a kind of improvement, a deaerator is set on the said compressed air line, deaerator oil pipe once is connected to main frame, and an oil return solenoid valve is set on the return tube.
As a kind of improvement, on the lubricating oil pipeline between radiator and the main frame, also be provided with oil screen and temperature control electromagnetism bypass valve.
As a kind of improvement, said minimum pressure valve is connected to a pressure switch through pressure inlet tube.
Beneficial effect of the present invention is:
1, screw air compressor of the present invention can not dally to unload and just can reach direct startup, and simple in structure, and 25-30% greatly can reduce production costs.
2, because removed the process of idle running unloading from, can realize energy-conservation 20～30%.
3, the present invention uses the empty filter block of air inlet of band blowout prevention oil baffle to replace the suction valve of traditional air compressor host suction port, between main frame and catch pot, one-way valve is housed, and establishes minimum pressure valve on the compressed air line, prevents that oil content jar compressed air from refluxing; Filler opening at main frame is established oil cut-off valve, shuts down oil-break at once; Because suction port does not have valve when shutting down, be communicated with barometric pressure, making air compressor shut down the interior pressure of aft engine like this is zero immediately; Shutting down that the back starts also not at once can overcurrent, and this design has improved the convenience that uses greatly.
4, gas holder of the present invention and catch pot are one, possess the base function, and the fixed base that instead is heavy is convenient to move and is used.
Description of drawings
Fig. 1 is the structural representation of product of the present invention;
Fig. 2 is the plan view of the empty filter block of band blowout prevention oil baffle among the present invention;
Fig. 3 be among Fig. 2 A-A to sectional view;
Fig. 4 is one of structural representation of Oil-gas Separation among the present invention and gas storage integrated tank;
Fig. 5 is for being two of the structural representation of Oil-gas Separation among the present invention and gas storage integrated tank.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail, but not as to qualification of the present invention.
Idling-free unloading energy saving screw type air compressor among the present invention is established the main frame 1 of screw rod and the motor 2 that connects with it through coupling in comprising; Main frame 1 is established air inlet, and main frame 1 connects catch pot 4 through oil gas mixing tube road 3, between main frame 1 and the catch pot 4 one-way valve is housed; Catch pot 4 is connected to main frame 1 through lubricating oil pipeline 5 through radiator 6, establishes compressed air line 7 on the catch pot 4 and is used to export pressurized air, has an air filter 8 to be installed on the air inlet on the main frame 1 through the empty filter block 9 of air inlet; On the lubricating oil pipeline 5 between radiator 6 and the main frame 1, a Fuel Cut Solenoid Valve 10 is set; A minimum pressure valve 11 is set on the compressed air line 7, and minimum pressure valve 11 is one-way valves.Minimum pressure valve 11 is connected to a pressure switch 17 through pressure inlet tube 16.On the lubricating oil pipeline 5 between radiator 6 and the main frame 1, also be provided with oil screen 18 and temperature control electromagnetism bypass valve 19.
The empty filter block 9 of air inlet is empty filter blocks of band blowout prevention oil baffle; The base plate 21 and the air induction mast 22 that links to each other with base plate 21 that comprise sky filter block 9; The cross section of said air induction mast 22 is circular, staggeredly on its inwall is arranged to few two baffle plates 23,24, and baffle plate 23, in the vertical direction is overlapped between 24; The edge of opening of baffle plate 23,24 is lower than the built-in edge that itself and air induction mast 22 join, and is downward-sloping shape.
Be provided for installing the fixed support of motor 2 and main frame 1 on the tank body 31, tank body 31 bottoms are provided with lower shaft, and some wheels are installed on the lower shaft.
The effect of each parts is following among the present invention:
Main frame 1: being the core of air compressor, is the compression chamber of air compression process, and air is compressed the compression chamber volume-variation through the screw rod revolution here.Main frame 1 is internal pressures of lubrication oil circulation in the system with getting into catch pot 4 after the air compression.
Motor 2: motor 2 provides power for main frame 1, connects main frame 1 through coupling.
Air filter 8: play the effect that filtered air makes lubricant oil cleaning protection main frame 1.
Catch pot 4: most lubricant oil in the storage air compressor system, can be main frame 1 heat radiation, also play the effect of oil gas initial gross separation.
Deaerator 13: oil is gentle here further to be separated.
Minimum pressure valve 11: for the pressure minimum of keeping in the catch pot 4 is provided with, guarantee the circulation power of lubricant oil in system, and can protect oil content to be unlikely to volatilization.It is an one-way valve.
Radiator 6: can be arranged at motor 2 one ends, motor 2 its drive fan runnings promote to distribute heat in the lubricant oil, for main frame 1 provides rational working environment.
Oil screen 18: filtering lubricant oil makes lubricant oil cleaning protection main frame 1.
Fuel Cut Solenoid Valve 10: when main frame 1 quits work, close, open during main frame 1 running, be main frame 1 in good time fuel feeding.
Oil return solenoid valve 15: with Fuel Cut Solenoid Valve 10 synchronous operations.
Temperature control electromagnetism bypass valve 19: be used with the temperature transducer that is installed on the main frame 1, when main frame 1 temperature superelevation, close temperature control electromagnetic 19, the control system in the control box is sent stopping signal simultaneously.
Pressure switch 17: be a switching element, be connected to minimum pressure valve 11 through pressure inlet tube 16.
The workflow of the idling-free unloading energy saving screw type air compressor among the present invention is following:
1, the flow process of air
After air filters dust by air filter 8; Entering main frame 1 inner screw turns round compression chamber and mixes with lubricant oil; Gas mixture after compression enters catch pot 4 and carries out initial gross separation, gets into deaerator then after 13 further separation, gets into gas holder 12 through minimum pressure valve 11.
2, the flow process of lubricant oil
Lubricant oil is indoor and air mixing in screw compression, gets into catch pot 4 after compression and carries out initial gross separation.Compressed-air actuated pressure extrudes catch pot 4 with it and gets into radiator 6 heat exchange, and cooled lubricant oil is got back to main frame 1 through temperature control electromagnetism bypass valve 19, oil screen 18 and Fuel Cut Solenoid Valve 10.Less amount of lubrication oil by pressurized air carries is returned main frame 1 recycling after deaerator 13 separates.
At last, it is also to be noted that what more than enumerate only is specific embodiment framework of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (9)
1. an idling-free unloading energy saving screw type air compressor is established the main frame of screw rod and the motor that connects with it through coupling in comprising; Main frame is established air inlet, and main frame connects catch pot through the oil gas mixing tube road, between main frame and the catch pot one-way valve is housed; Catch pot is connected to main frame through lubricating oil pipeline through radiator, establishes compressed air line on the catch pot and is used to export pressurized air, it is characterized in that, has an air filter to be installed on the air intlet on the main frame through the empty filter block of air inlet; On the lubricating oil pipeline between radiator and the main frame, a Fuel Cut Solenoid Valve is set; A minimum pressure valve is set on the compressed air line, and minimum pressure valve is an one-way valve; The empty filter block of said air inlet is the empty filter block of band blowout prevention oil baffle, comprises the base plate and the air induction mast that links to each other with base plate of sky filter block, and staggered being arranged to lacked two baffle plates on the inwall of said air induction mast, and in the vertical direction is overlapped between the baffle plate; The empty filter block of this air compressor band blowout prevention oil baffle replaces the suction valve of traditional air compressor host suction port; Because suction port does not have valve when shutting down; Be communicated with barometric pressure, making air compressor shut down the interior pressure of aft engine like this is zero immediately, and startup can overcurrent yet at once to shut down the back.
2. idling-free unloading energy saving screw type air compressor according to claim 1 is characterized in that, the edge of opening of said baffle plate is lower than the built-in edge that baffle plate and air induction mast join, and baffle plate is downward-sloping shape.
3. the empty filter block of band blowout prevention oil baffle according to claim 1 is characterized in that the cross section of said air induction mast is circular.
4. idling-free unloading energy saving screw type air compressor according to claim 1 is characterized in that, also comprises a gas holder that is used for the high-pressure air of storing compressed air pipeline output; Said gas holder and catch pot are one, and both have the tank body of an integral body, and tank interior has a dividing plate, and tank body is divided into two-part not of uniform size; Wherein less is catch pot, connects lubricating oil pipeline and oil gas mixing tube road; Wherein bigger is gas holder, connects compressed air line.
5. idling-free unloading energy saving screw type air compressor according to claim 4 is characterized in that, is provided for installing the fixed pedestal of motor and main frame on the said tank body, and tank base is provided with lower shaft and is used for installing wheel.
6. idling-free unloading energy saving screw type air compressor according to claim 5 is characterized in that, some wheels are installed on the said lower shaft.
7. idling-free unloading energy saving screw type air compressor according to claim 1 is characterized in that, a deaerator is set on the said compressed air line, and deaerator oil pipe once is connected to main frame, and an oil return solenoid valve is set on the return tube.
8. idling-free unloading energy saving screw type air compressor according to claim 1 is characterized in that, on the lubricating oil pipeline between radiator and the main frame, also is provided with oil screen and temperature control electromagnetism bypass valve.
9. idling-free unloading energy saving screw type air compressor according to claim 1 is characterized in that, said minimum pressure valve is connected to a pressure switch through pressure inlet tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910096877A CN101514703B (en) | 2009-03-19 | 2009-03-19 | Idling-free unloading energy saving screw type air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910096877A CN101514703B (en) | 2009-03-19 | 2009-03-19 | Idling-free unloading energy saving screw type air compressor |
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| CN101514703A CN101514703A (en) | 2009-08-26 |
| CN101514703B true CN101514703B (en) | 2012-09-26 |
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| CN200910096877A Active CN101514703B (en) | 2009-03-19 | 2009-03-19 | Idling-free unloading energy saving screw type air compressor |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939352A (en) * | 2013-01-18 | 2014-07-23 | 苏州京程科技有限责任公司 | Integrated device for single-screw water-lubricating oil-free air compressor |
| CN103939351A (en) * | 2013-01-18 | 2014-07-23 | 苏州京程科技有限责任公司 | Integrated device of oil-injected single-screw air compressor |
| CN103527490B (en) * | 2013-09-29 | 2017-01-11 | 耐力压缩机(北京)有限公司 | Machine head assembly and air compressor |
| CN104935116A (en) * | 2015-06-23 | 2015-09-23 | 江门市蒙德电气股份有限公司 | Cooling structure of air compressor motor |
| CN105570137A (en) * | 2016-03-02 | 2016-05-11 | 邵用葆 | Water-gas separation, filtering and water level control integrated device of water-spraying single screw oilless compressor |
| CN107269539B (en) * | 2017-08-17 | 2020-06-19 | 宁波天风汽车科技有限公司 | Oil gas filtering structure of air compressor and screw air compressor with oil gas filtering structure |
| CN107269541B (en) * | 2017-08-17 | 2020-06-16 | 陆亚明 | Air compressor exhaust pipe mounting structure and screw air compressor |
| CN109432824B (en) * | 2018-12-10 | 2024-06-25 | 浙江金仪盛世生物工程有限公司 | Column tube lifting mechanism |
| CN114909592A (en) * | 2022-04-20 | 2022-08-16 | 北方工业大学 | Micro-quantity lubricating liquid supply system capable of accurately quantifying for laboratory |
| CN115875303B (en) * | 2022-12-22 | 2023-07-07 | 浙江志高机械股份有限公司 | Screw air compressor with timing function |
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Owner name: HANGZHOU XINKUN INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: HANGZHOU HANJUE COMPRESSOR CO., LTD. Effective date: 20101223 |
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Free format text: CORRECT: ADDRESS; FROM: 310019 NO.1211, HANGHAI ROAD, JIANGGAN DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE TO: 311123 CHANGLE INDUSTRIAL PARK, JINGSHAN TOWN, YUHANG DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE |
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Effective date of registration: 20101223 Address after: 311123 Changle Industrial Zone, Jingshan Town, Yuhang District, Zhejiang, Hangzhou Applicant after: Hangzhou Xinkun Industrial Co.,Ltd. Address before: 310019 No. 1211 Hangzhou sea road, Zhejiang, Jianggan District, Hangzhou Applicant before: Hangzhou Hanjue Compressor Co., Ltd. |
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