CN106762667B - A kind of water lubrication screw air compressor and air compression method - Google Patents
A kind of water lubrication screw air compressor and air compression method Download PDFInfo
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- CN106762667B CN106762667B CN201710055139.XA CN201710055139A CN106762667B CN 106762667 B CN106762667 B CN 106762667B CN 201710055139 A CN201710055139 A CN 201710055139A CN 106762667 B CN106762667 B CN 106762667B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/60—Assembly methods
- F04C2230/602—Gap; Clearance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention relates to a kind of water lubrication screw air compressor and air compression methods.There can be some oil molecules in the compressed air of oil lubricating compressor.The present invention includes shell, exhaust gear, No.1 end cap, No. two end caps, screw male rotor mechanism, gland seal assembly and screw female rotor mechanism, its main feature is that: shell is equipped with hole for water spraying, screw male rotor mechanism includes male rotor, gap adjusts module, No.1 sliding bearing sleeve, No.1 bearing shell, No.1 fastener, No. two sliding bearing sleeves, No. two bearing shells, No. two fasteners and No. two abaculus, No.1 sliding bearing sleeve suit is fixed on one of male rotor and is fastened by No.1 fastener, No.1 axle bush sleeve is put on mounted in No.1 sliding bearing and No.1 bearing shell and No.1 sliding bearing sleeve clearance fit, No.1 bearing shell is provided with No.1 hole for water spraying, gap between No.1 hole for water spraying and No.1 bearing shell and No.1 sliding bearing sleeve is connected to, male rotor and female rotor engagement.The present invention uses fully water lubricating, realizes complete oil free compression.
Description
Technical field
The present invention relates to a kind of water lubrication screw air compressor and air compression methods, belong to technical field of air compression.
Background technique
Because lubricating oil is heavy chemicals, there is injury to human body, the techniques such as textile dyestuff can be had an impact, therefore one
In the industries such as a little textile industries, especially food, medical treatment, compressed air oil content is required very high.Air compressor is being applied
During, already perplexed by the lubricating oil in compressed air there are many process system, it is unqualified in Oil-gas Separation technology
In the case of, this disadvantage has even delayed the speed of technological progress to a certain extent, causes many process flow secular stagnations
Before not, with science and technology be constantly progressive, the innovation of process for making, the raising of product quality level, it is desirable that compressed gas
The oil-free process flow of body is more and more common.This undoubtedly makes the market prospects of oil-free air compressor more wide.In certain meaning
From justice, this is the developing direction of air compressor.In the research and development tide of oil-free type, water lubrication oil free screw air pressure
Contracting machine will undoubtedly become the mainstream in market.
Oil lubricating compressor has the following problems: (1) fuel injection helical lobe compressor uses exhaust gas filter, can only filter major diameter
Oil particles in air or can have some oil molecules.(2) dry type oil-free screw compressor, because without oil lubrication and sealing,
Air compressor machine efficiency is low, noise is big, and bearing still uses oil lubrication, cannot accomplish to be fully sealed.(3) single screw rod water spray lubrication
Screw machine mostly uses greatly stainless steel material, and efficiency is low, and screw rod and gear use rolling bearing, bearing grease or oil lubrication,
Oil molecule can be mingled in exhaust, can not accomplish 0 oil content；If publication date is on October 10th, 2012, Publication No.
In the Chinese patent of CN102042225B, a kind of disclosed water-lubricating single screw compressor.
Summary of the invention
It is an object of the invention to overcome the above deficiencies in the existing technologies, and provide it is a kind of reasonable in design,
Scientific arrangement, it is easy to use, be able to solve traditional exhaust end base of oil injection threaded bolt air compressor machine there are the problem of water lubrication screw air compressor and
Air compression method.
Technical solution used by the present invention solves the above problems is: the water lubrication screw air compressor includes shell, row
Mechanism of qi structure, No.1 end cap, No. two end caps, screw male rotor mechanism, gland seal assembly and screw female rotor mechanism, the shell
It is inside provided with air compression chamber, the shell is provided with air inlet, and the air inlet is connected to air compression chamber, the air exhauster
Structure is provided with exhaust outlet, and the exhaust outlet is connected to air compression chamber, the No.1 end cap, shell, exhaust gear and No. two ends
Lid is successively fixed, and design feature is: the shell is provided with hole for water spraying, which is connected to air compression chamber；It is described
Screw male rotor mechanism includes male rotor, gap adjustment module, No.1 sliding bearing sleeve, No.1 bearing shell, No.1 fastener, two
Number sliding bearing sleeve, No. two bearing shells, No. two fasteners and No. two abaculus, the No.1 sliding bearing sleeve suit are fixed on male rotor
One and fastened by No.1 fastener, the No.1 axle bush sleeve is put on mounted in No.1 sliding bearing and No.1 bearing shell and No.1
Sliding bearing sleeve clearance fit, the No.1 bearing shell and shell are fixed, which is provided with No.1 hole for water spraying, the No.1
Gap between hole for water spraying and No.1 bearing shell and No.1 sliding bearing sleeve is connected to, and the male rotor passes through gland seal assembly and No.1 end
Lid connection, No. two sliding bearing sleeves suit are fixed on the other end of male rotor and are fastened by No. two fasteners, described two
Number axle bush sleeve is put on mounted in No. two sliding bearings and No. two bearing shells and No. two sliding bearing sleeve clearance fits, No. two bearing shells and
Exhaust gear is fixed, which is provided with No. two hole for water sprayings, No. two hole for water sprayings and No. two bearing shells and No. two sliding axles
Gap connection between bearing sleeve, No. two abaculus are fixed on the other end of male rotor, and the gap adjustment module includes quiet disk
And Moving plate, the Moving plate are provided with water storage tank, the quiet disk and shell are fixed, and the Moving plate and male rotor are fixed, the Moving plate
In be provided with water storage tank one side and quiet disk contact；Screw female rotor mechanism include female rotor, No. three sliding bearing sleeves,
No. three bearing shells, No. three fasteners, No. three abaculus, No. four sliding bearing sleeves, No. four bearing shells, No. four fasteners and No. four abaculus, institute
It states No. three sliding bearing sleeve suits to be fixed on one of female rotor and fasten by No. three fasteners, No. three axle bush sleeves are mounted in
No. three sliding bearings are put on and No. three bearing shells and No. three sliding bearing sleeve clearance fits, No. three bearing shells and shell are fixed, should
No. three bearing shells are provided with No. three hole for water sprayings, and the gap between No. three hole for water sprayings and No. three bearing shells and No. three sliding bearing sleeves connects
Logical, No. three abaculus are fixed on one of female rotor, and No. four sliding bearing sleeves suit is fixed on the other end of female rotor
And by the fastening of No. four fasteners, No. four axle bush sleeves are put on mounted in No. four sliding bearings and No. four bearing shells and No. four sliding axles
Bearing sleeve clearance fit, No. four bearing shells and exhaust gear are fixed, which is provided with No. four hole for water sprayings, No. four sprays
Gap between water hole and No. four bearing shells and No. four sliding bearing sleeves is connected to, and No. four abaculus are fixed on the another of female rotor
Head；The male rotor and female rotor engagement, the part that the male rotor and female rotor are meshed is respectively positioned on the air compression chamber of shell
In.Water lubrication screw air compressor uses fully water lubricating, realizes complete oil free compression, and oil content is 0 in the compressed air of output；
Air compressor machine key components and parts can be formed using a variety of special material Combined machinings, can effectively reduce air compressor machine moving component matter
Amount reduces mechanical loss, while avoiding corrosion of the water to each components；Air compressor screw rod rotor can by corrosion resisting steel material and
Special engineering plastics Combined machining forms, and rotor quality is light, corrosion-resistant, the processing is simple；The radial load of screw rotor is moistened by water
Sliding sliding bearing support；The axial load of screw rotor adjusts block supports by gap, by controlling gap module axle to length
Screw rotor gap is controlled, the performance of screw air compressor is improved.
Preferably, the centre or bottom of No.1 end cap of the present invention are provided with No.1 gully-hole, the No.1 gully-hole
It is connected by external pipeline with the air inlet of shell or the No.1 gully-hole is connected by the air inlet of inner flow passage and shell
It connects.
Preferably, the centre or bottom of No. two end caps of the present invention are provided with No. two gully-holes, No. two gully-holes
It is connected by external pipeline with the air inlet of shell or No. two gully-holes is connected by the air inlet of inner flow passage and shell
It connects.
Preferably, male rotor of the present invention and female rotor are made of arbor portions and screw molded lines part, it is described
Screw molded lines part suit is fixed on arbor portions, and the arbor portions use stainless steel, corrosion-resisting alloy steel or ceramics
Composite material, the screw molded lines part use special engineering plastics or aluminium alloy light material.
Preferably, No.1 sliding bearing sleeve of the present invention and male rotor transition fit, No. two sliding bearing sleeves
With male rotor transition fit, No. three sliding bearing sleeves and female rotor transition fit, No. four sliding bearing sleeves and yin turn
Sub- transition fit.
Preferably, there are gap between the end face of the end face and exhaust gear of male rotor of the present invention and female rotor,
The distance in the gap is 0.02-0.1mm.
Preferably, the bearing saddle bore of No.1 bearing shell of the present invention and shell is interference fitted, No. two bearing shells and row
The bearing saddle bore interference fit of mechanism of qi structure interference fit, No. three bearing shells and shell, No. four bearing shells and exhaust gear mistake
It is full of cooperation.
Preferably, No.1 fastener of the present invention, No. two fasteners, No. three fasteners and No. four fasteners are circle
Nut.
Preferably, four via holes are passed through across shell and exhaust gear, with cunning in the both ends of screw rotor of the present invention respectively
Dynamic bearing cooperation, via hole and axis mating surface inlay babbit or copper product, thickness 2-5mm, to increase the wearability of mating surface
With the etching extent for reducing screw rotor axis.
Preferably, gland seal assembly of the present invention uses mechanical seal, screw rotor axis radial-play is avoided to cause close
It seals bad；Alternatively, the gland seal assembly adds the assembly of rolling bearing and oil sealing using mechanical seal, higher shaft end can be born
Load.
Preferably, screw rotor of the present invention is process by combined material, arbor portions are using stainless steel, corrosion-resistant
Steel alloy, ceramic composite etc., screw molded lines part is using light materials such as special engineering plastics, aluminium alloys.
Preferably, screw rotor radial load of the present invention is supported by sliding bearing, bearing bush part using graphitic carbon,
The materials such as engineering plastics, ceramics, bearing holder (housing, cover) are process using combined material, wherein with bearing shell adjustment face stainless steel or commonly
Steel alloy chrome-faced anticorrosion, with armature spindle faying face using wear-resisting, resistant materials such as copper, aluminium or babbits.
Preferably, adjustment module in gap of the present invention consists of two parts, the quiet disk use bar being linked together with shell
The wear-resistant materials such as family name's alloy or copper, the Moving plate being linked together with rotor are processed using special engineering plastics, and Moving plate is revolved with rotor
Transhipment is dynamic, and end face opens water storage tank and forms moisture film between sound disk, increases the wearability of Moving plate.
Preferably, shell of the present invention, exhaust gear and end cap are corrosion-resistant using aluminium, alloy aluminum, stainless steel etc.
Material is process.
A kind of air compression method using the water lubrication screw air compressor, it is characterized in that: the air pressure
The step of contracting method is as follows: male rotor receives outer driving torque rotation, exports compressed air；It is provided with air inlet on the shell,
Exhaust outlet is provided on the exhaust gear, air is sucked from the air inlet of shell, engages compressed shape by male rotor and female rotor
At pressure-air, it is discharged by the exhaust outlet of exhaust gear；The shell and bearing shell are provided with hole for water spraying, and high pressure water participates in sliding
The lubrication and male rotor of moving axis bearing sleeve and the gear motion of female rotor, play the role of lubrication, sealing, radiating and cooling；It is described
The arbor portions of male rotor and female rotor are processed using stainless steel material processing, molded line part using special engineering plastics, and sun turns
Son and female rotor have the advantages that good rigidity, light weight, processing performance are good, can effectively improve air compressor machine compression performance and reduce life
Produce cost；The bearing holder (housing, cover) is process using the combined material of stainless steel and Babbitt alloy material, is mounted on male rotor and yin
The both ends of rotor are compressed with male rotor and female rotor transition fit by round nut, with male rotor and female rotor rotary motion；
Bearing shell is made of graphitic carbon or special engineering plastics, is connected to one using interference fit and exhaust gear or shell bearing saddle bore
It rises, hole for water spraying is provided on bearing shell, high pressure water sprays into the gap between bearing shell and bearing holder (housing, cover) from the hole for water spraying of bearing shell, forms moisture film branch
Support male rotor and female rotor radial load；Gap adjustment module is made of quiet disk and Moving plate, quiet disk using babbit or
Copper product, is embedded in the air inlet end face of shell, and Moving plate uses special engineering plastics or wear resistant plastic material, is bonded in male rotor
End face, Moving plate are rotated with male rotor, are closed with quiet mill, and the end face of Moving plate is provided with water storage tank, logical in the adjustment face of quiet disk and Moving plate
It crosses water storage tank sucking water and forms moisture film, improve the running-in ability of quiet disk and Moving plate；The end cap is provided with gully-hole in intermediate or bottom,
For collecting the water for being lubricated to bearing holder (housing, cover) and being discharged afterwards, the water being discharged is back to the air inlet of shell by external pipeline
Mouthful, avoid water from overflowing；Air compressor machine uses fully water lubricating, realizes complete oil free compression, and oil content is 0 in the compressed air of output；
Air compressor machine key components and parts are formed using a variety of special material Combined machinings, can effectively reduce air compressor machine heavy moving parts,
Mechanical loss is reduced, while avoiding corrosion of the water to each components；Air compressor screw rod rotor is by corrosion resisting steel material and extraordinary work
Engineering plastics Combined machining forms, and rotor quality is light, corrosion-resistant, the processing is simple；The radial load of screw rotor is by water-lubricated slide
Bearing support；The axial load of male rotor adjusts block supports by gap, and the axial length control of module is adjusted by control gap
The performance of screw air compressor is improved in the gap of male rotor processed.
Compared with prior art, the present invention having the following advantages that and effect: being compressed using the air screw of complete water lubrication
Machine, oil molecule content is zero in exhaust, and injection water temperature is low, and compression efficiency is higher；Rotor can be manufactured using model engineering plastic,
Wearability is good, does not injure to human body, and density of material is low, mitigates rotor quality, greatly improves air compressor machine efficiency；Bearing can be complete
Portion uses plastics (or graphite, babbit etc.) bearing shell sliding bearing, by water spray lubrication, bears rotor operation radial load；
Shaft end gasket made of two kinds of mutual wear-resistant materials forms gap adjustment module to bear axial load, while passing through control room
Gap adjust module thickness adjustment rotor be vented splaying, no longer with rolling bearing clearance adjust gap, therefore equipment installation and
Manufacturing process is simpler.
It is cased with bearing holder (housing, cover) on the outside of exhaust end and inlet end screw rod, there is abaculus, bearing between bearing holder (housing, cover) and screw rod contact surface
Set outside is cased with bearing shell, and when the compressor is operating, screw rod and abaculus, bearing holder (housing, cover) rotate together, bearing shell and shell and exhaust gear
It is fixed.Water is in the inlet end in screw rod, by gap adjustment module connection between screw rod and shell, if compressed in twin-screw
In machine, gap adjustment module is present in male rotor exhaust end.When compressor is run, it is only necessary to water lubrication, therefore be free of in exhaust
There is oil molecule.
Detailed description of the invention
Fig. 1 is the separate structure schematic diagram of water lubrication screw air compressor in the embodiment of the present invention.
Fig. 2 is the schematic cross-sectional view of water lubrication screw air compressor in the embodiment of the present invention.
In figure: 1- shell；2- exhaust gear；3- No.1 end cap；No. bis- end caps of 4-；5- screw male rotor mechanism；6- axis
Sealing assembly；7- screw female rotor mechanism；51- male rotor；The gap 52- adjusts module；The quiet disk of 521-；522- Moving plate；53- No.1
Sliding bearing sleeve；54- No.1 bearing shell；55- No.1 fastener；No. bis- sliding bearing sleeves of 56-；No. bis- bearing shells of 57-；58- bis- tight
Firmware；No. bis- abaculus of 59-；71- female rotor；No. tri- sliding bearing sleeves of 72-；No. tri- bearing shells of 73-；No. tri- fasteners of 74-；75- tri-
Number abaculus；No. tetra- sliding bearing sleeves of 76-；No. tetra- bearing shells of 77-；No. tetra- fasteners of 78-；No. tetra- abaculus of 79-.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
Embodiment.
Referring to Fig. 1 to Fig. 2, the water lubrication screw air compressor in the present embodiment includes shell 1, exhaust gear 2, No.1 end
3, No. two end caps 4 of lid, screw male rotor mechanism 5, gland seal assembly 6 and screw female rotor mechanism 7, the interior setting of shell 1 are free
Gas compression chamber, shell 1 are provided with air inlet, and air inlet is connected to air compression chamber, and exhaust gear 2 is provided with exhaust outlet, exhaust
Mouth is connected to air compression chamber, and No.1 end cap 3, shell 1, exhaust gear 2 and No. two end caps 4 are successively fixed, and shell 1 is provided with spray
Water hole, the hole for water spraying are connected to air compression chamber.
Screw male rotor mechanism 5 in the present embodiment includes male rotor 51, gap adjustment module 52, No.1 sliding bearing
Set 53, No.1 bearing shell 54,57, No. two fasteners 58 of the bearing shell of sliding bearing sleeve 56, two of No.1 fastener 55, two and No. two are embedding
Block 59, No.1 sliding bearing sleeve 53, which is set with, to be fixed on one of male rotor 51 and is fastened by No.1 fastener 55, No.1 bearing shell
54 are sleeved on No.1 sliding bearing sleeve 53 and 53 clearance fit of No.1 bearing shell 54 and No.1 sliding bearing sleeve, 54 He of No.1 bearing shell
Shell 1 is fixed, which is provided with No.1 hole for water spraying, No.1 hole for water spraying and No.1 bearing shell 54 and No.1 sliding bearing sleeve
Gap connection between 53, male rotor 51 are connected by gland seal assembly 6 and No.1 end cap 3, and No. two suits of sliding bearing sleeve 56 are solid
It is scheduled on the other end of male rotor 51 and is fastened by No. two fasteners 58, No. two bearing shells 57 are sleeved on No. two sliding bearing sleeves 56
And No. two bearing shells 57 and No. two 56 clearance fits of sliding bearing sleeve, No. two bearing shells 57 and exhaust gear 2 are fixed, No. two bearing shells 57
No. two hole for water sprayings are provided with, the gap between No. two hole for water sprayings and No. two bearing shells 57 and No. two sliding bearing sleeves 56 is connected to, and No. two
Abaculus 59 is fixed on the other end of male rotor 51, and it includes quiet disk 521 and Moving plate 522 that gap, which adjusts module 52, and Moving plate 522 is provided with
Water storage tank, quiet disk 521 and shell 1 are fixed, and Moving plate 522 and male rotor 51 are fixed, be provided in Moving plate 522 water storage tank one side and
Quiet disk 521 contacts.
Screw female rotor mechanism 7 in the present embodiment includes the sliding bearing sleeve 72, three of female rotor 71, three bearing shell
73, No. three sliding bearing sleeve 76, four of abaculus 75, four fasteners 78 of bearing shell 77, four of fastener 74, three and No. four abaculus
79, No. three sliding bearing sleeves 72, which are set with, to be fixed on one of female rotor 71 and is fastened by No. three fasteners 74, No. three bearing shells 73
It is sleeved on No. three sliding bearing sleeves 72 and No. three bearing shells 73 and No. three 72 clearance fits of sliding bearing sleeve, No. three bearing shells 73 and shell
Body 1 is fixed, which is provided with No. three hole for water sprayings, No. three hole for water sprayings and No. three bearing shells 73 and No. three sliding bearing sleeves 72
Between gap connection, No. three abaculus 75 are fixed on one of female rotor 71, and No. four suits of sliding bearing sleeves 76 are fixed on yin and turn
The other end of son 71 is simultaneously fastened by No. four fasteners 78, and No. four bearing shells 77 are sleeved on No. four sliding bearing sleeves 76 and No. four axis
Watts 77 and No. four 76 clearance fits of sliding bearing sleeve, No. four bearing shells 77 and exhaust gear 2 are fixed, which is provided with four
Number hole for water spraying, the gap between No. four hole for water sprayings and No. four bearing shells 77 and No. four sliding bearing sleeves 76 are connected to, and No. four abaculus 79 are solid
It is scheduled on the other end of female rotor 71；Male rotor 51 and female rotor 71 engage, the part that the male rotor 51 and female rotor 71 are meshed
It is respectively positioned in the air compression chamber of shell 1.
The centre or bottom of No.1 end cap 3 in the present embodiment are provided with No.1 gully-hole, and No.1 gully-hole passes through extension tube attached
Road is connected with the air inlet of shell 1.The centre or bottom of No. two end caps 4 are provided with No. two gully-holes, and No. two gully-holes pass through external
Pipeline is connected with the air inlet of shell 1.
51 transition fit of No.1 sliding bearing sleeve 53 and male rotor in the present embodiment, No. two sliding bearing sleeves 56 and sun turn
Sub 51 transition fits, 71 transition fit of No. three sliding bearing sleeves 72 and female rotor, 71 mistake of No. four sliding bearing sleeves 76 and female rotor
Cross cooperation.There are gap between the end face of the end face and exhaust gear 2 of male rotor 51 and female rotor 71, the distance in the gap is
0.02-0.1mm。
The bearing saddle bore of No.1 bearing shell 54 and shell 1 in the present embodiment is interference fitted, No. two bearing shells 57 and exhaust gear 2
The bearing saddle bore interference fit of interference fit, No. three bearing shells 73 and shell 1, No. four bearing shells 77 and exhaust gear 2 are interference fitted.One
Number fastener 74 of fastener 58, three of fastener 55, two and No. four fasteners 78 are round nut.
Male rotor 51 and female rotor 71 in the present embodiment are process by combined material, and arbor portions are using stainless
Steel, corrosion resistant steel alloy, ceramic composite etc., screw molded lines part is using lightweights such as special engineering plastics, aluminium alloys
Material.
Four via holes are passed through across shell 1 and exhaust gear 2, with sliding in the both ends of screw rotor in the present embodiment respectively
Bearing fit, via hole and axis mating surface inlay babbit or copper product, thickness 2-5mm, with increase mating surface wearability and
Reduce the etching extent of screw rotor axis.Gland seal assembly 6 uses mechanical seal, and screw rotor axis radial-play is avoided to lead to sealing not
It is good；Alternatively, gland seal assembly 6 adds the assembly of rolling bearing and oil sealing using mechanical seal, higher shaft end load can be born.
The step of air compression method in the present embodiment is as follows: male rotor 51 receives outer driving torque rotation, output pressure
Contracting air；It is provided with air inlet on shell 1, exhaust outlet is provided on exhaust gear 2, air is sucked from the air inlet of shell 1, by sun
Rotor 51 and the engagement compression of female rotor 71 form pressure-air, are discharged by the exhaust outlet of exhaust gear 2；Shell 1 and bearing shell are equal
It is provided with hole for water spraying, high pressure water participates in the lubrication of sliding bearing sleeve and the gear motion of male rotor 51 and female rotor 71, plays
Lubrication, sealing, the effect of radiating and cooling；The arbor portions of male rotor 51 and female rotor 71 are using stainless steel material processing, molded line
Part is processed using special engineering plastics, and male rotor 51 and female rotor 71 have good excellent of good rigidity, light weight, processing performance
Point can effectively improve air compressor machine compression performance and reduce production cost；Bearing holder (housing, cover) uses the group of stainless steel and Babbitt alloy material
Condensation material is process, and is mounted on the both ends of male rotor 51 and female rotor 71, with 71 transition fit of male rotor 51 and female rotor, is led to
Round nut compression is crossed, with 71 rotary motion of male rotor 51 and female rotor；Bearing shell is made of graphitic carbon or special engineering plastics, is adopted
It is linked together with interference fit with exhaust gear 2 or 1 bearing saddle bore of shell, is provided with hole for water spraying on bearing shell, high pressure water is from bearing shell
Hole for water spraying spray into the gap between bearing shell and bearing holder (housing, cover), form moisture film support male rotor 51 and 71 radial load of female rotor；Between
Gap adjustment module 52 is made of quiet disk 521 and Moving plate 522, and quiet disk 521 uses babbit or copper product, is embedded in shell 1
Air inlet end face, Moving plate 522 use special engineering plastics or wear resistant plastic material, are bonded in the end face of male rotor 51, Moving plate 522 with
Male rotor 51 rotates, and merges with quiet disk 521, the end face of Moving plate 522 is provided with water storage tank, in the adjustment face of quiet disk 521 and Moving plate 522
Water is sucked by water storage tank and forms moisture film, improves the running-in ability of quiet disk 521 and Moving plate 522；End cap is provided with collection in intermediate or bottom
Water hole, for collecting the water for being lubricated to bearing holder (housing, cover) and being discharged afterwards, the water being discharged is back to shell 1 by external pipeline
Air inlet avoids water from overflowing；Air compressor machine uses fully water lubricating, realizes complete oil free compression, oil content in the compressed air of output
It is 0；Air compressor machine key components and parts are formed using a variety of special material Combined machinings, can effectively reduce air compressor machine moving component matter
Amount reduces mechanical loss, while avoiding corrosion of the water to each components；Air compressor screw rod rotor is by corrosion resisting steel material and special type
Engineering plastics Combined machining forms, and rotor quality is light, corrosion-resistant, the processing is simple；The radial load of screw rotor is slided by water lubrication
Dynamic bearing support；The axial load of male rotor 51 is supported by gap adjustment module 52, and the axis of module 52 is adjusted by control gap
To the gap of length control male rotor 51, the performance of screw air compressor is improved.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different, and above content is only to structure of the invention example explanation described in this specification.It is all according to
According to equivalence changes or simple change that the invention patent design structure, feature and principle is done, it is included in this hair
In the protection scope of bright patent.Those skilled in the art can do described specific embodiment various
The mode that the modify or supplement or adopt of various kinds is similar substitutes, and without departing from structure of the invention or surmounts present claims
Range defined in book, is within the scope of protection of the invention.
Claims (10)
1. a kind of water lubrication screw air compressor, including shell (1), exhaust gear (2), No.1 end cap (3), No. two end caps (4),
Screw male rotor mechanism (5), gland seal assembly (6) and screw female rotor mechanism (7), the shell (1) is interior to be provided with air
Compression chamber, the shell (1) are provided with air inlet, and the air inlet is connected to air compression chamber, exhaust gear (2) setting
There is exhaust outlet, the exhaust outlet is connected to air compression chamber, the No.1 end cap (3), shell (1), exhaust gear (2) and No. two
End cap (4) is successively fixed, it is characterised in that: the shell (1) is provided with hole for water spraying, which is connected to air compression chamber；
Screw male rotor mechanism (5) includes male rotor (51), gap adjustment module (52), No.1 sliding bearing sleeve (53), one
Number bearing shell (54), No.1 fastener (55), No. two sliding bearing sleeves (56), No. two bearing shells (57), No. two fasteners (58) and two
Number abaculus (59), No.1 sliding bearing sleeve (53) suit are fixed on one of male rotor (51) and by No.1 fasteners
(55) it fastens, the No.1 bearing shell (54) is sleeved on No.1 sliding bearing sleeve (53) and No.1 bearing shell (54) and No.1 sliding axle
Bearing sleeve (53) clearance fit, the No.1 bearing shell (54) and shell (1) are fixed, which is provided with No.1 water spray
Hole, the gap between the No.1 hole for water spraying and No.1 bearing shell (54) and No.1 sliding bearing sleeve (53) are connected to, the male rotor
(51) it is connected by gland seal assembly (6) and No.1 end cap (3), No. two sliding bearing sleeves (56) suit is fixed on male rotor
(51) other end and by No. two fasteners (58) fastenings, No. two bearing shells (57) are sleeved on No. two sliding bearing sleeves (56)
Upper and No. two bearing shells (57) and No. two sliding bearing sleeve (56) clearance fits, No. two bearing shells (57) and exhaust gear (2) are solid
Fixed, which is provided with No. two hole for water sprayings, No. two hole for water sprayings and No. two bearing shells (57) and No. two sliding bearings
The gap connection between (56) is covered, No. two abaculus (59) are fixed on the other end of male rotor (51), and the gap adjusts mould
Block (52) includes quiet disk (521) and Moving plate (522), and the Moving plate (522) is provided with water storage tank, the quiet disk (521) and shell
(1) fixed, the Moving plate (522) and male rotor (51) fixation, be provided in the Moving plate (522) water storage tank one side and quiet disk
(521) it contacts；Screw female rotor mechanism (7) includes female rotor (71), No. three sliding bearing sleeves (72), No. three bearing shells
(73), No. three fasteners (74), No. three abaculus (75), No. four sliding bearing sleeves (76), No. four bearing shells (77), No. four fasteners
(78) it is fixed on one of female rotor (71) with No. four abaculus (79), No. three sliding bearing sleeves (72) suit and by No. three
Fastener (74) fastening, No. three bearing shells (73) are sleeved on No. three sliding bearing sleeves (72) and No. three bearing shells (73) and No. three
Sliding bearing sleeve (72) clearance fit, No. three bearing shells (73) and shell (1) are fixed, which is provided with No. three
Hole for water spraying, the gap between No. three hole for water sprayings and No. three bearing shells (73) and No. three sliding bearing sleeves (72) are connected to, and described three
Number abaculus (75) is fixed on one of female rotor (71), and No. four sliding bearing sleeves (76) suit is fixed on female rotor (71)
Simultaneously by the fastening of No. four fasteners (78), No. four bearing shells (77) are sleeved on No. four sliding bearing sleeves (76) and four for other end
Number bearing shell (77) and No. four sliding bearing sleeve (76) clearance fits, No. four bearing shells (77) and exhaust gear (2) are fixed, this four
Number bearing shell (77) be provided with No. four hole for water sprayings, No. four hole for water sprayings and No. four bearing shells (77) and No. four sliding bearing sleeves (76) it
Between gap connection, No. four abaculus (79) are fixed on the other end of female rotor (71)；The male rotor (51) and female rotor
(71) it engages, the part that the male rotor (51) and female rotor (71) are meshed is respectively positioned in the air compression chamber of shell (1)；Pass through
The thickness adjustment rotor for controlling gap adjustment module (52) is vented splaying；When the compressor is operating, screw rod and abaculus, bearing holder (housing, cover)
It rotates together, bearing shell and shell and exhaust gear (2) are fixed.
2. water lubrication screw air compressor according to claim 1, it is characterised in that: the centre of the No.1 end cap (3)
Or bottom is provided with No.1 gully-hole, the No.1 gully-hole is connected by external pipeline with the air inlet of shell (1) or described
No.1 gully-hole is connected by inner flow passage with the air inlet of shell (1)；The centre or bottom of No. two end caps (4) and/or
No. two gully-holes are provided with, No. two gully-holes are connected by external pipeline with the air inlet of shell (1) or No. two collection
Water hole is connected by inner flow passage with the air inlet of shell (1).
3. water lubrication screw air compressor according to claim 1, it is characterised in that: the male rotor (51) and female rotor
(71) it is made of arbor portions and screw molded lines part, the screw molded lines part suit is fixed on arbor portions, described
Arbor portions use stainless steel, corrosion-resisting alloy steel or ceramic composite, and the screw molded lines part is using special engineered
Plastics or aluminium alloy light material.
4. water lubrication screw air compressor according to claim 1, it is characterised in that: the No.1 sliding bearing sleeve (53)
With male rotor (51) transition fit, No. two sliding bearing sleeves (56) and male rotor (51) transition fit, No. three slidings
Bearing holder (housing, cover) (72) and female rotor (71) transition fit, No. four sliding bearing sleeves (76) and female rotor (71) transition fit.
5. water lubrication screw air compressor according to claim 1, it is characterised in that: the male rotor (51) and female rotor
(71) there are gap between the end face of end face and exhaust gear (2), the distance in the gap is 0.02-0.1mm.
6. water lubrication screw air compressor according to claim 1, it is characterised in that: the No.1 bearing shell (54) and shell
(1) bearing saddle bore interference fit, No. two bearing shells (57) and exhaust gear (2) interference fit, No. three bearing shells (73)
It is interference fitted with the bearing saddle bore of shell (1), No. four bearing shells (77) and exhaust gear (2) interference fit.
7. water lubrication screw air compressor according to claim 1, it is characterised in that: the No.1 fastener (55), two
Number fastener (58), No. three fasteners (74) and No. four fasteners (78) are round nut.
8. water lubrication screw air compressor according to claim 1, it is characterised in that: the both ends of screw rotor are passed through respectively
Four via holes pass through shell (1) and exhaust gear (2), cooperate with sliding bearing, via hole and axis mating surface inlay babbit or
Copper product, thickness 2-5mm, to increase the wearability of mating surface and reduce the etching extent of screw rotor axis.
9. water lubrication screw air compressor according to claim 1, it is characterised in that: the gland seal assembly (6) uses machine
Tool sealing, avoids screw rotor axis radial-play from leading to poor sealing；Alternatively, the gland seal assembly (6) is added using mechanical seal
The assembly of rolling bearing and oil sealing can bear higher shaft end load.
10. a kind of air compression side using the water lubrication screw air compressor as described in claim 1~9 any claim
Method, it is characterised in that: the step of air compression method is as follows: male rotor (51) receives outer driving torque rotation, and output is pressed
Contracting air；Be provided with air inlet on the shell (1), be provided with exhaust outlet on the exhaust gear (2), air from shell (1) into
Port sucking forms pressure-air by male rotor (51) and female rotor (71) engagement compression, passes through the exhaust of exhaust gear (2)
Mouth discharge；The shell (1) and bearing shell are provided with hole for water spraying, and high pressure water participates in the lubrication and male rotor of sliding bearing sleeve
(51) and the gear motion of female rotor (71), play the role of lubrication, sealing, radiating and cooling；Hole for water spraying, high pressure are provided on bearing shell
Water sprays into the gap between bearing shell and bearing holder (housing, cover) from the hole for water spraying of bearing shell, forms moisture film support male rotor (51) and female rotor (71)
Radial load；Gap adjustment module (52) is made of quiet disk (521) and Moving plate (522), and quiet disk (521) uses babbit
Or copper product, it is embedded in the air inlet end face of shell (1), Moving plate (522) uses special engineering plastics or wear resistant plastic material, bonding
In the end face of male rotor (51), Moving plate (522) is rotated with male rotor (51), is merged with quiet disk (521), the end face of Moving plate (522)
It is provided with water storage tank, water is sucked by water storage tank in the adjustment face of quiet disk (521) and Moving plate (522) and forms moisture film, improves quiet disk
(521) and the running-in ability of Moving plate (522)；Air compressor machine uses fully water lubricating, realizes complete oil free compression, in the compressed air of output
Oil content is 0；The axial load of male rotor (51) passes through control gap adjustment module (52) by gap adjustment module (52) support
Axial length control male rotor (51) gap, improve the performance of screw air compressor.
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| CN201710055139.XA CN106762667B (en) | 2017-01-24 | 2017-01-24 | A kind of water lubrication screw air compressor and air compression method |
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| CN201710055139.XA CN106762667B (en) | 2017-01-24 | 2017-01-24 | A kind of water lubrication screw air compressor and air compression method |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757450B (en) * | 2018-05-14 | 2020-04-28 | 西安交通大学 | Screw compressor adopting sliding bearing |
| CN108843569A (en) * | 2018-08-23 | 2018-11-20 | 中山市捷科能机电科技有限公司 | Water spray double-screw compressor |
| CN108916048A (en) * | 2018-08-23 | 2018-11-30 | 中山市捷科能机电科技有限公司 | A kind of wear-resistant self-lubricating rotor and double-screw compressor of spraying water |
| WO2020053976A1 (en) * | 2018-09-11 | 2020-03-19 | 株式会社日立産機システム | Screw compressor |
| CN109458330A (en) * | 2018-09-30 | 2019-03-12 | 宁波鲍斯能源装备股份有限公司 | Water jet helical-lobe compressor |
| CN109931261A (en) * | 2019-02-01 | 2019-06-25 | 宁波鲍斯能源装备股份有限公司 | Water lubrication helical-lobe compressor |
| CN109915368A (en) * | 2019-04-19 | 2019-06-21 | 烟台菱辰能源有限公司 | A kind of fuel cell gearless screw rod oil-free air compressor |
| CN110985389A (en) * | 2019-11-22 | 2020-04-10 | 中国航发西安动力控制科技有限公司 | Water-based lubricating corrosion-resistant Roots compressor |
| CN113151771A (en) * | 2020-12-23 | 2021-07-23 | 浙江翰德圣智能再制造技术有限公司 | Spraying repair process for annular curved surface of air compressor |
| CN114505673B (en) * | 2022-02-18 | 2023-10-20 | 日立压缩机(苏州)有限公司 | Air compressor main machine exhaust end screw clearance adjustment process |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2943799B1 (en) * | 1998-07-23 | 1999-08-30 | 石川島播磨重工業株式会社 | Water injection type air compression device and its starting method |
| BE1013944A3 (en) * | 2001-03-06 | 2003-01-14 | Atlas Copco Airpower Nv | Water injected screw compressor. |
| BE1014043A3 (en) * | 2001-03-07 | 2003-03-04 | Atlas Copco Airpower Nv | Water injected screw compressor element. |
| TWM421987U (en) * | 2011-07-25 | 2012-02-01 | Fu Sheng Ind Co Ltd | Spray-type double-screw air compressor |
| CN204140394U (en) * | 2014-09-23 | 2015-02-04 | 陈江标 | A kind of novel water spray screw air compressor |
| CN105927547B (en) * | 2016-04-19 | 2018-07-17 | 西安交通大学 | A kind of oil return/water-bound of high-pressure screw compressor exhaust end sliding bearing |
| CN206487624U (en) * | 2017-01-24 | 2017-09-12 | 杭州久益机械股份有限公司 | A kind of water lubrication screw air compressor |
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