CN206988105U - A kind of variable-frequency fuel-injection screw air compressor - Google Patents

A kind of variable-frequency fuel-injection screw air compressor Download PDF

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Publication number
CN206988105U
CN206988105U CN201720620876.5U CN201720620876U CN206988105U CN 206988105 U CN206988105 U CN 206988105U CN 201720620876 U CN201720620876 U CN 201720620876U CN 206988105 U CN206988105 U CN 206988105U
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CN
China
Prior art keywords
valve
oil
temperature
gas tank
compressor
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Expired - Fee Related
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CN201720620876.5U
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Chinese (zh)
Inventor
谢坤
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Dong Sheng Source Shanghai Daily Use Chemicals Co Ltd
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Dong Sheng Source Shanghai Daily Use Chemicals Co Ltd
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Priority to CN201720620876.5U priority Critical patent/CN206988105U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of variable-frequency fuel-injection screw air compressor, belong to screw air compressor technical field.Described motor is connected by belt and compressor block, air intake control valve is provided with described compressor block, breather filter is installed on described air intake control valve, it is connected below described compressor block by pipeline with oil gas tank, and oil cooler is provided with pipeline, temperature-sensing valve and oil strainer, gs-oil separator is provided with described oil gas tank, gs-oil separator uses multilayer special fibre filter core, contained mist lubrication oil in compressed air can almost be filtered off completely, temperature-sensing valve can control its open mode according to the temperature of lubricating oil, to control the amount into the lubricating oil of oil cooler, condensed water is separated out to avoid lubricating oil temperature too low, save the energy, drop can save consumption, reduce production cost, increase economic benefit.

Description

A kind of variable-frequency fuel-injection screw air compressor
Technical field
A kind of variable-frequency fuel-injection screw air compressor is the utility model is related to, belongs to screw air compressor technology neck Domain.
Background technology
Screw air compressor mainly includes main frame, and male rotor and female rotor are provided with main frame, and male rotor and the moon turn Son intermeshing, male rotor axle by power set drive rotate, male rotor is with male rotor axle synchronous axial system so that male rotor and Female rotor engagement rotation, to be inhaled into the air in main frame to being filtered by air cleaner and be compressed, in compression process In, lubricating oil is sprayed into, after the completion of compression, main frame will carry out oil gas in the gas mixture input gs-oil separator through overcompression Separation, the compressed air isolated, which enters in engineering mechanical device, to be operated, and the lubricating oil isolated is gathered in oil gas point From device bottom, it is pressed into cooler and is cooled down by air pressure, the lubricating oil after cooling is returned in main frame.Existing screw Obstruction occurs in the easy premature abrasion of air compressor screw rotor, gs-oil separator and oil strainer, meanwhile, lubricating oil throughput It is improper to control, and often occurs occurring condensed water or icing phenomenon on body.
The content of the invention
In view of the above-mentioned problems, the technical problems to be solved in the utility model is to provide a kind of variable-frequency fuel-injection air screw pressure Contracting machine.
Variable-frequency fuel-injection screw air compressor of the present utility model, it includes motor 1, compressor block 2, air inlet control Valve 3, breather filter 4, inverse proportion valve 5, magnetic valve 6, pressure controller 7, atmospheric valve 8, pressure maintenance valve 9, safety valve 10, list To valve 11, gs-oil separator 12, oil gas tank 13, oil cooler 14, temperature-sensing valve 15 and oil strainer 16, described motor 1 passes through Belt is connected with compressor block 2, and air intake control valve 3, described air inlet control are provided with described compressor block 2 Breather filter 4 is installed, the described lower section of compressor block 2 is connected by pipeline with oil gas tank 13, and is set on pipeline on valve 3 Oil cooler 14, temperature-sensing valve 15 and oil strainer 16 are equipped with, gs-oil separator 12 is provided with described oil gas tank 13, it is described The upper end of oil gas tank 13 is provided with magnetic valve 6, atmospheric valve 8, pressure maintenance valve 9 and safety valve 10, and described magnetic valve 6 is with entering gas control Inverse proportion valve 5 is provided between valve 3 processed, described atmospheric valve 8 is connected with air intake control valve 3, described pressure maintenance valve 9 and pressure Force controller 7 is electricly connected, and the described upper end of oil gas tank 13 is connected by pipeline with compressor block 2, and is provided with pipeline Check valve 11.
Preferably, described breather filter 4 is dry type paper filter, filter paper pore degree is 10mm, can be filtered Except the dust in air, screw rotor premature abrasion, gs-oil separator 12 and oil strainer 16 is avoided to block too early.
Preferably, the described filter core of gs-oil separator 12 is made of the fine and closely woven special fibre of multilayer, in compressed air Contained mist lubrication oil can almost be filtered off completely after gs-oil separator 12.Oil particles size can be controlled in below 0.1um, contains Oil mass is then smaller than 3ppm.
Preferably, the import of described temperature-sensing valve 15 connects with the oil-out of gs-oil separator 12, the one of temperature-sensing valve 15 Outlet and the inlet communication of oil cooler 14, another outlet of temperature-sensing valve 15 connect with the oil inlet of compressor block 2, temperature-sensing valve 15 can control its open mode according to the temperature of lubricating oil, to control the amount of the lubricating oil into oil cooler 14, to keep away It is too low and separate out condensed water to exempt from lubricating oil temperature.
The beneficial effects of the utility model:Its structure is simple, reasonable in design, compact-sized, using dry type papery air inlet Filter can filter out the dust in air, avoid screw rotor premature abrasion, gs-oil separator and oil strainer from blocking too early; Gs-oil separator uses multilayer special fibre filter core, can almost filter off contained mist lubrication oil in compressed air completely, temperature Control valve can control its open mode according to the temperature of lubricating oil, to control the amount into the lubricating oil of oil cooler, to keep away It is too low and separate out condensed water to exempt from lubricating oil temperature, saves the energy, drop can save consumption, reduction production cost, increase economic benefit.
Brief description of the drawings:
For ease of explanation, the utility model is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is structural representation of the present utility model.
Reference:Motor 1, compressor block 2, air intake control valve 3, breather filter 4, inverse proportion valve 5, magnetic valve 6, Pressure controller 7, atmospheric valve 8, pressure maintenance valve 9, safety valve 10, check valve 11, gs-oil separator 12, oil gas tank 13, oil cooling But device 14, temperature-sensing valve 15, oil strainer 16.
Embodiment:
As shown in figure 1, present embodiment uses following technical scheme:It includes motor 1, compressor block 2, air inlet Control valve 3, breather filter 4, inverse proportion valve 5, magnetic valve 6, pressure controller 7, atmospheric valve 8, pressure maintenance valve 9, safety valve 10th, check valve 11, gs-oil separator 12, oil gas tank 13, oil cooler 14, temperature-sensing valve 15 and oil strainer 16, described motor 1 It is connected by belt and compressor block 2, air intake control valve 3, described air inlet is provided with described compressor block 2 Breather filter 4 is installed, the described lower section of compressor block 2 is connected by pipeline with oil gas tank 13, and pipeline in control valve 3 On be provided with oil cooler 14, temperature-sensing valve 15 and oil strainer 16, gs-oil separator 12, institute are provided with described oil gas tank 13 The upper end of oil gas tank 13 stated is provided with magnetic valve 6, atmospheric valve 8, pressure maintenance valve 9 and safety valve 10, and described magnetic valve 6 is with entering Inverse proportion valve 5 is provided between gas control valve 3, described atmospheric valve 8 is connected with air intake control valve 3, described pressure maintenance valve 9 Electricly connected with pressure controller 7, the described upper end of oil gas tank 13 is connected by pipeline with compressor block 2, and is set on pipeline It is equipped with check valve 11.
Preferably, described breather filter 4 is dry type paper filter, filter paper pore degree is 10mm, can be filtered Except the dust in air, screw rotor premature abrasion, gs-oil separator 12 and oil strainer 16 is avoided to block too early.
Preferably, the described filter core of gs-oil separator 12 is made of the fine and closely woven special fibre of multilayer, in compressed air Contained mist lubrication oil can almost be filtered off completely after gs-oil separator 12.Oil particles size can be controlled in below 0.1um, contains Oil mass is then smaller than 3ppm.
Preferably, the import of described temperature-sensing valve 15 connects with the oil-out of gs-oil separator 12, the one of temperature-sensing valve 15 Outlet and the inlet communication of oil cooler 14, another outlet of temperature-sensing valve 15 connect with the oil inlet of compressor block 2, temperature-sensing valve 15 can control its open mode according to the temperature of lubricating oil, to control the amount of the lubricating oil into oil cooler 14, to keep away It is too low and separate out condensed water to exempt from lubricating oil temperature.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model Claimed scope is by appended claims and its equivalent thereof.

Claims (4)

  1. A kind of 1. variable-frequency fuel-injection screw air compressor, it is characterised in that:It includes motor(1), compressor block(2), enter Gas control valve(3), breather filter(4), inverse proportion valve(5), magnetic valve(6), pressure controller(7), atmospheric valve(8), pressure Maintain valve(9), safety valve(10), check valve(11), gs-oil separator(12), oil gas tank(13), oil cooler(14), temperature-sensing valve (15)And oil strainer(16), described motor(1)Pass through belt and compressor block(2)Drive connection, described compressor Body(2)On be provided with air intake control valve(3), described air intake control valve(3)On breather filter is installed(4), it is described Compressor block(2)Lower section passes through pipeline and oil gas tank(13)Connection, and oil cooler is provided with pipeline(14), temperature-sensing valve (15)And oil strainer(16), described oil gas tank(13)Inside it is provided with gs-oil separator(12), described oil gas tank(13)On End is provided with magnetic valve(6), atmospheric valve(8), pressure maintenance valve(9)And safety valve(10), described magnetic valve(6)With entering gas control Valve processed(3)Between be provided with inverse proportion valve(5), described atmospheric valve(8)With air intake control valve(3)Connection, described pressure dimension Hold valve(9)With pressure controller(7)Electricly connect, described oil gas tank(13)Upper end passes through pipeline and compressor block(2)Even Connect, and check valve is provided with pipeline(11).
  2. A kind of 2. variable-frequency fuel-injection screw air compressor according to claim 1, it is characterised in that:Described enters air filter Clear device(4)For dry type paper filter, filter paper pore degree is 10mm.
  3. A kind of 3. variable-frequency fuel-injection screw air compressor according to claim 1, it is characterised in that:Described oil gas point From device(12)Filter core is made of the fine and closely woven special fibre of multilayer.
  4. A kind of 4. variable-frequency fuel-injection screw air compressor according to claim 1, it is characterised in that:Described temperature-sensing valve (15)Import and gs-oil separator(12)Oil-out connection, temperature-sensing valve(15)One outlet and oil cooler(14)Import Connection, temperature-sensing valve(15)Another outlet and compressor block(2)Oil inlet connection.
CN201720620876.5U 2017-05-31 2017-05-31 A kind of variable-frequency fuel-injection screw air compressor Expired - Fee Related CN206988105U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720620876.5U CN206988105U (en) 2017-05-31 2017-05-31 A kind of variable-frequency fuel-injection screw air compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720620876.5U CN206988105U (en) 2017-05-31 2017-05-31 A kind of variable-frequency fuel-injection screw air compressor

Publications (1)

Publication Number Publication Date
CN206988105U true CN206988105U (en) 2018-02-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113266566A (en) * 2021-06-07 2021-08-17 无锡锡压压缩机有限公司 Constant humidity control system and method for oil injection screw air compressor
US11680588B2 (en) 2020-04-21 2023-06-20 Joy Global Surface Mining Inc Lubrication system for a compressor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11680588B2 (en) 2020-04-21 2023-06-20 Joy Global Surface Mining Inc Lubrication system for a compressor
CN113266566A (en) * 2021-06-07 2021-08-17 无锡锡压压缩机有限公司 Constant humidity control system and method for oil injection screw air compressor

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Granted publication date: 20180209