CN107708841A - Compressed air drier - Google Patents
Compressed air drier Download PDFInfo
- Publication number
- CN107708841A CN107708841A CN201680019099.7A CN201680019099A CN107708841A CN 107708841 A CN107708841 A CN 107708841A CN 201680019099 A CN201680019099 A CN 201680019099A CN 107708841 A CN107708841 A CN 107708841A
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- China
- Prior art keywords
- compressed air
- glass fiber
- drier
- filter
- fiber filter
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/02—Loose filtering material, e.g. loose fibres
- B01D39/06—Inorganic material, e.g. asbestos fibres, glass beads or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Drying Of Gases (AREA)
- Compressor (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Compressed air drier possesses：Supporting base, it has：Entrance, it is used for voltage supply stream of compressed air and entered；And outlet, it is used to discharge drying compressed air；Drying receptacle, it can be desiccant-filled, and it can be mounted on supporting base；And glass fiber filter.Glass fiber filter at least one of is arranged between drying receptacle and entrance between drying receptacle and outlet on the stream of compressed air from the inlet to the outlet.The average diameter of glass fiber filter possessed glass fibre is more than 0.1 μm and less than 10 μm.
Description
Technical field
The present invention relates to the compressed air drier that the compressed air to being supplied from compressor is dried.
Background technology
The vehicles such as truck, bus, building machinery are utilized from directly linking with internal combustion engine (hereinafter referred to as engine)
The compressed air of compressor conveying controls the systems such as brakes, suspension.Contain institute in air in the compressed air
Moisture, the oil to being lubricated in compressor contained.If the compressed air containing the moisture, oil enters in each system, lead
Cause is got rusty, the swelling of rubber component (O-ring seals etc.), turns into the reason for work is bad.Therefore, in the compressor of air system
Downstream be provided with for from compressed air go moisture removal, oil compressed air drier (see, for example patent document 1).
Above-mentioned compressed air drier possesses：Supporting base；Drying receptacle, it is filled with drier；And shell, its
Covering drying receptacle is simultaneously installed on supporting base.It is provided with supporting base：Entrance, it is used to supply the pressure come from compressor supply
Stream of compressed air enters；And outlet, it is used to discharge drying compressed air.
In above-mentioned compressed air drier, in addition to drying receptacle, it is additionally provided with for removing compressed air
Contained oily filter element.Filter element such as non-woven fabrics by forming.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2012-106155 publications
The content of the invention
Problems to be solved by the invention
, can only as oil containing the different elaioleucite of particle diameter, but in conventional filter element in drying compressed air
The bigger elaioleucite of particle diameter is caught, although less in the compressed air of drier and filter element has been passed through but residual
There is oil.As a result, it is desirable to the raising of the oily clearance contained by compressed air.
It is an object of the invention to provide a kind of compressed air that can improve the oily clearance contained by compressed air
Drying device.
The solution used to solve the problem
The compressed air drier to solve the above problems possesses：Supporting base, it has：Entrance, it is used for voltage supply contracting
Air flows into；And outlet, it is used to discharge drying compressed air；Drying receptacle, consist of, can be desiccant-filled, and
It is mounted on the supporting base；And glass fiber filter, it is in the compression from the entrance to the outlet
In being arranged on the stream of air between the drying receptacle and entrance between the drying receptacle and the outlet at least
One.The average diameter of the glass fiber filter possessed glass fibre is less than 10 μm.
Brief description of the drawings
Fig. 1 is the half sectional view of the schematic configuration for the compressed air drier for representing the 1st embodiment.
Fig. 2 is the sectional view of the drying receptacle housed to Fig. 1 compressed air drier.
Fig. 3 is the front view of the compressed air drier of the 2nd embodiment.
Fig. 4 is the top view of Fig. 3 compressed air drier.
Fig. 5 is the sectional view of Fig. 3 compressed air drier.
Fig. 6 is the sectional view of the drying receptacle set to the compressed air drier of the 3rd embodiment.
Fig. 7 is the half sectional view of the schematic configuration for the compressed air drier for representing the 4th embodiment.
Fig. 8 is the exploded perspective view of the filter cylinder set to Fig. 7 compressed air drier.
Fig. 9 is the sectional view of Fig. 8 filter cylinder, is the sectional view of the 9-9 lines in Figure 13.
Figure 10 is the amplification stereogram of Fig. 8 filter cylinder.
Figure 11 is the amplification stereogram of Fig. 8 filter cylinder.
Figure 12 is the front view of Fig. 8 filter cylinder.
Figure 13 is the top view of Fig. 8 filter cylinder.
Figure 14 is the upward view of Fig. 8 filter cylinder.
Figure 15 is the right side view of Fig. 8 filter cylinder.
Figure 16 is the sectional view of the drying receptacle set to the compressed air drier of variation.
Figure 17 is the sectional view of the drying receptacle set to the compressed air drier of variation.
Figure 18 is the sectional view of the drying receptacle set to the compressed air drier of variation.
Figure 19 is the sectional view of the drying receptacle set to the compressed air drier of variation.
Embodiment
(the 1st embodiment)
Hereinafter, the 1st embodiment of compressed air drier is illustrated referring to Figures 1 and 2.
As shown in figure 1, compressed air drier possesses：Supporting base 11；There is the drying receptacle 13 of bottom cylindrical shape, its
Filled with drier 12；And have the scavenging tank 14 of bottom cylindrical shape, it covers drying receptacle 13 and is installed on supporting base 11,
And with the opening portion being open towards supporting base 11.
It is provided with the side of supporting base 11：Entrance 15, it is used to supply the pressure come from compressor (omitting diagram) conveying
Stream of compressed air enters；And outlet 20, it is used to the air tank being connected with compressed air drier (save drying compressed air
Sketch map shows) discharge.In Fig. 1, entrance 15 is arranged at the front of supporting base 11, and outlet 20 is arranged at the back of the body of supporting base 11
Face.In addition, the resettlement section 21 of the cylindrical shape for being internally formed lower openings in supporting base 11.On the top of resettlement section 21
It is provided with pumping equipment 25.The blast pipe 17 of cylindrical shape is installed in the bottom of the pumping equipment 25 of resettlement section 21.As exhaust
The floss hole 19 of the outlet of pipe 17 is to atmosphere opening.
Pumping equipment 25 possesses the drain valve 26 and piston 27 for waste liquid to be discharged.Drain valve 26 be also used as using as containing
The relief valve that the waste liquid for having moisture, oily liquid is discharged when unloading and operating to extraneous air.Drain valve 26 is from compressed air
Closed when going the loading of moisture removal to operate.If the pressure in above-mentioned air tank reaches predetermined value, from being arranged at supporting base 11
The control room 29 in space of the adjuster 28 into as supporting base 11 supply air, so as to which piston 27 declines and drain valve 26
Open.If drain valve 26 is opened, waste liquid is discharged to outside suddenly together with compressed air.
Blast pipe 17 is provided with filter 31.Filter 31 is such as extruded aluminum (Japanese：クラッシュドアル
ミ) etc. there is the metal material in many holes passed through for air, and as make with waste liquid is discharged and caused lower noise disappears
Sound device plays function.
The adjuster exhaust outlet for making the exhaust of adjuster 28 pass through adjuster exhaust channel 36 is provided with supporting base 11
Path 37.Adjuster exhaust outlet path 37 is the space formed by the inwall of resettlement section 21 and the outer wall of blast pipe 17, is provided with
It is multiple.As adjuster exhaust outlet path 37 opening portion adjuster exhaust outlet 38 to atmosphere opening.
Scavenging tank 14 covers drying receptacle 13, and the upper end of supporting base 11 is installed on using bolt 24.By scavenging tank 14
Inwall and drying receptacle 13 outer wall formed space as accumulate dehumidifying after drying compressed air tank 16 performance function.
With the state that is clamped in the vertical direction by lower panel 45 and upper board 46 filled with granular in the drying receptacle 13
Drier 12.The oil separation filter device 44 as collision part is provided with the bottom of drying receptacle 13.Oil separation filter device 44
It is the metal material such as extruded aluminum with many holes passed through for air.Oil separation filter device 44 is used for by internally
Fine change the flowing of compressed air, make elaioleucite with the flowing of compressed air and aluminium surface collision using inertia force and
Caught.
As shown in Fig. 2 in lower panel 45 and upper board 46 formed with multiple through holes.Set in the upper surface of lower panel 45
There is the 1st glass fiber filter 51.In addition, the 2nd glass for keeping drier 12 is provided with the lower surface of upper board 46
Fabric filter 52.These glass fiber filters 51,52 by glass fibre formed it is substantially discoid form, and with
The roughly the same diameter of the internal diameter of drying receptacle 13.Keep drier 12 in addition, glass fiber filter 51,52 has and go
Except the oily function in compressed air.In the present embodiment, these glass fiber filters 51,52 have equal thickness.
Although i.e., also depending on the speed of compressed air, such as particle diameter is the bigger elaioleucite of more than 1 μm of particle diameter
By being collided with oil separation filter device 44 to be caught well by efficiency.On the other hand, the small oil contained by compressed air
The number of particle is more than the number of the elaioleucite in big footpath.Small elaioleucite by with the gas molecule collision in compressed air,
Carry out the not related irregular motion (Brownian movement) of flowing with compressed air.Carry out the elaioleucite of the irregular motion
The particle diameter of son is less than 1 μm.The elaioleucite for being difficult to catch the particle diameter by the larger oil separation filter device 44 of mesh, but in glass fibre
It is easy to catch the elaioleucite of the particle diameter in filter 51,52.
In order to catch the elaioleucite that particle diameter is less than 1 μm, glass fiber filter 51, the diameter of 52 possessed glass fibres
(fiber footpath) is more than 0.1 μm and less than 10 μm, and distance is more than 1 μm and less than 100 μm between glass fibre.In addition, glass fibers
Distance is the distance in the case that glass fibre does not contact each other between dimension.I.e., distance is the surface of glass fibre between glass fibre
Between distance.By the way that distance between fiber footpath and fiber is set into above range, small elaioleucite of 1 μm less than particle diameter due to
The collision of glass fibre, contact attachment, attachment with Brownian movement and to glass fibre etc. and be easy to be captured.By such
Improve the seizure performance of the elaioleucite of glass fiber filter 51,52, and fiber footpath identical with the oil trap amount of catching and fiber spacing in ground
Compared from other different glass fiber filters, glass fiber filter 51,52 can be thinned.
, can be by based on being carried out by such as scanning electron microscope, infiltration type electron microscope for fiber footpath
Observe the image that obtains and visually to be measured to the diameter of glass fibre, utilize laser scanning type microscope to carry out image point
Analysis processing etc. is measured, but can be also measured in method according to JIS-R3420 etc..In addition, for fiber spacing
From, can by based on by such as scanning electron microscope, infiltration type electron microscope carry out observation obtain image and
Measured with the visually maximum to the adjacent mutual distance of fiber and minimum value, carried out using laser scanning type microscope
Image analysis processing is measured to its maximum and minimum value.In addition, between fiber distance determine glass fiber filter 51,
The particle diameter of 52 elaioleucites caught.
In addition, although efficiency reduces, glass fiber filter 51,52 can also catch the elaioleucite that particle diameter is more than 1 μm
Son.In addition, though efficiency reduces, but oil separation filter device 44 can also catch the elaioleucite that particle diameter is less than 1 μm.
Helical spring 42 is provided between upper board 46 and cover piece 41.Helical spring 42 is by cover piece 41 relative to drying
Container 13 is fixed and acts power, and upper board 46 is pressed downwards.Thus, glass fiber filter 51,52, drying are turned into
The state that agent 12, oil separation filter device 44 are exerted a force by helical spring 42.
In addition, cover piece 41 is provided with the 1st through hole 47 and the 2nd through hole 48.It is provided with the 1st through hole 47 and only allows
Check-valves 39 of the air from the inside of drying receptacle 13 towards flows outside.
Then, referring to Figures 1 and 2, the action of the compressed air drier to forming as described above illustrates.
First, reference picture 1, action when being operated to loading illustrate.Flowed into from above-mentioned compressor via entrance 15
Compressed air enters in drying receptacle 13, passes through oil separation filter device 44.In oil separation filter device 44, except compressed air institute
Outside the dust contained, the elaioleucite in big footpath is also easy to be captured.The elaioleucite in big footpath is the elaioleucite that such as particle diameter is more than 1 μm
Son.
As shown in Fig. 2 the compressed air of oil separation filter device 44 is passed through by being formed in the bottom of drying receptacle 13
Hole 13a and lower panel 45 through hole, pass through the 1st glass fiber filter 51.In the 1st glass fiber filter 51, path
Elaioleucite be easy to be captured.The elaioleucite of path is the elaioleucite that such as particle diameter is less than 1 μm.After oily containing ratio so reduces
Compressed air in drier 12 by being removed so as to moisture.Now, oil is separated by oil before by drier 12
Filter 44 and glass fiber filter 51 are caught, and therefore, the blocking of drier 12 is suppressed.
Drying is residued in by the 2nd glass fiber filter 52 and dried drying compressed air by drier 12
The elaioleucite of compressed air is removed.Moreover, drying compressed air by the through hole of upper board 46, formed in cover piece 41 the
1 through hole 47, the tank 16 lodged in for the time being in scavenging tank 14.Also, it imported into a drying compressed air residual part for tank 16
And by outlet 20, lodge in the air tank of outside.Compressed air in air tank is used in such as Pneumatic brake systems
The work of each equipment.
Then, action when being operated to unloading illustrates.
As shown in figure 1, compressed air drier is at the time of the air pressure of above-mentioned air tank reaches the upper limit, in adjuster 28
In the presence of, steering operates the unloading of desiccant regeneration.If the pressure in above-mentioned air tank reaches predetermined value, adjuster 28
Air is supplied to the control room 29 of driving drain valve 26, by moving piston 27, makes the valve opening of drain valve 26.If pumping equipment 25
Drain valve 26 by valve opening, then the drying compressed air lodged in scavenging tank 14 drying receptacle 13 from above towards lower section flow
Dynamic, oil, moisture are discharged together with compressed air from the floss hole 19 of vent pathway 18.I.e., lodge in tank 16 dries compression sky
Gas via the 2nd through hole 48 of cover piece 41 by the through hole and the 2nd glass fiber filter 52 of upper board 46, to drying receptacle
Flowed into 13.Now, also it is removed by oily at least a portion that the 2nd glass fiber filter 52 captures.Also, dry pressure
Contracting air regenerates drier 12 by being contacted with drier 12.Compression by and containing moisture etc. in drier 12 is empty
Gas passes through oil separation filter device 44 by the 1st glass fiber filter 51 and the through hole of lower panel 45.Now, by the 1st glass
Oily at least a portion that fabric filter 51 captures also is removed.Also, compressed air is in pumping equipment 25 by leading to
Cross the filter 31 of blast pipe 17 and discharged together with waste liquid to outside.
As described above, according to present embodiment, the advantages of following is obtained.
(1) particle diameter contained by compressed air (diameter) less elaioleucite is easy to be caught by glass fiber filter 51,52
Catch.Especially, the glass fiber filter 51, the diameter of 52 possessed glass fibres are more than 0.1 μm and less than 10 μm,
Distance is more than 1 μm and less than 100 μm between glass fibre, therefore, the less elaioleucite of particle diameter contained by compressed air (such as
1 μm of elaioleucite being less than) it is easy to be captured.Therefore, in compressed air drier, drier 12 can be utilized to remove compression
Moisture in air and improve the oily clearance of compressed air.
(2) upstream side in the loading operating for drier 12 and downstream are provided with the 1st glass fibre
The glass fiber filter 52 of filter 51 and the 2nd, therefore, it is possible to catch the less elaioleucite of particle diameter in compressed air using them
Son.Therefore, it is possible to remove the moisture in compressed air using drier 12 and improve the oily clearance of compressed air.In addition,
The filter of drier 12 is kept to be made up of each glass fiber filter 51,52, therefore, not in the stream of compressed air again
Ensure the space arranged for filter, it becomes possible to which the filter that performance is caught with oil trap is set.
(3) each glass fiber filter 51,52 is arranged at downstream when being operated than oil separation filter device 44 by loading
Position, therefore, it is possible to catch the elaioleucite in bigger footpath in advance using oil separation filter device 44.I.e., the elaioleucite in bigger footpath
Caught before glass fiber filter 51,52 is reached by oil separation filter device 44.In addition, the major part of the larger elaioleucite of particle diameter
Compressed air after being removed flows to each glass fiber filter 51,52, therefore, the oil captured by glass fiber filter
Amount will not in a short time exceed filter capacity.
(the 2nd embodiment)
Then, 3~Fig. 5 of reference picture, by with centered on the difference of the 1st embodiment to the of compressed air drier
2 embodiments illustrate.In addition, the compressed air drier of present embodiment is to change including drying receptacle
Scavenging tank box type, this put it is different from the 1st embodiment.In addition, in the accompanying drawings, pair with the 1st substantial phase of embodiment
Same key element marks identical reference to represent respectively, and the repetitive description thereof will be omitted.
As shown in figure 3, compressed air drier possesses the supporting of the shell 55 for having bottom cylindrical shape and supporting shell 55
Pedestal 56.Shell 55 can dismount relative to supporting base 56.
As shown in figure 4, the sidepiece of supporting base 56 by point to it is in the same direction in a manner of be provided with：Entrance 57, its be used for supply from
The compressed air that compressor supply (not shown) comes flows into；And outlet 58, it is used for drying compressed air to (not shown)
Air tank supplies.Outlet 58 is provided with check-valves (not shown).Check-valves opens outlet 58 when loading and operating, and is unloading carrying
Outlet 58 is closed when turning.Outlet 58 is provided with the flange 58a for installing safety valve 60.
Safety valve 60 is integrally provided with distinguishes corresponding multiple pressure protections with each air tank (brake circuit) (not shown)
Valve, make the system including each air tank independent.Therefore, safety valve 60 plays function as follows：In any one air
The pressure of compressed air in tank reduces (defect) in the case of, by by the pressure protection valve corresponding with the air tank
(omitting diagram) closes, and protects other not have defective air tank (brake circuit).
In addition, as shown in figure 3, supporting base 56 is provided with pressure regulator 62.In the bottom of supporting base 56
Centre is provided with the floss hole 61 for discharging waste liquid when unloading and operating.
As shown in figure 5, in inside cylindrical portion 65 of the central upper formed with drum of supporting base 56.Justify in inner side
The upside periphery in cylinder portion 65 is formed with external screw thread 65a.In outside of the upper peripheral edge portion formed with drum of supporting base 56
Cylindrical portion 66.The compressed air that space between inside cylindrical portion 65 and outside cylindrical portion 66 has flowed into as accumulation from entrance 57
The 1st tank 67 play function.The discharge valve system 80 that floss hole 61 is opened and closed is provided with floss hole 61.In floss hole 61
Blast pipe 68 is exposed to installed.In the center of supporting base 56 formed with space 71.Pressure regulator 62 can be via connection
Path 69 supplies compressed air to space 71.
Discharge valve system 80 possesses for making the valve element 81 that floss hole 61 is opened and closed and the piston 82 for moving valve element 81.Valve element
81 with piston 82 integratedly to move and set in a manner of being seated at the valve seat 83 of discharge valve system 80.Piston 82 with to
The state that the space 71 that supporting base 56 is formed is closed is set, and is exerted a force upward by force application spring 84.If from pressure
Draught control mechanism 62 supplies compressed air to space 71, then piston 82 is pressed down.If valve element 81 is pressed down together with piston 82, valve
Core 81 separates with valve seat 83 and opens floss hole 61.On the other hand, if air is discharged from space 71, piston 82 is by force bullet
Spring 84 above pushes away.If valve element 81 is pushed together with piston 82, valve element 81 is seated at valve seat 83, and thus, floss hole 61 is closed.
Discharge valve system 80 is closed when loading and operating.If the pressure in above-mentioned air tank rises and reaches maximum predetermined
It is worth, then discharge valve system 80 opens floss hole 61 by supplying compressed air from pressure regulator 62 to space 71.As a result,
Containing oil, moisture waste liquid from the floss hole 61 that open by the compressed air (purging air) in shell 55 suddenly to outer row
Go out.If also, due to the compressed air from floss hole 61 discharge and the pressure in shell 55 reduces and it is minimum predetermined to reach
Value, then supply of the compressed air to space 71 be stopped pushing without piston 82, due to force application spring 84 active force and
Floss hole 61 is closed.
Shell 55 possesses：There is the outside housing 85 of bottom cylindrical shape, it has the opening portion being open towards supporting base 56；
Installing plate 86, the opening portion of its external side body 85 is closed, and is mounted on supporting base 56；And fixed structure
Part 87, installing plate 86 is fixed on outside housing 85 by it.The circle filled with drier 12 is accommodated with the inside of outer side body 85
The drying receptacle 90 of barrel shape.The large-diameter portion with the external diameter roughly equal with the internal diameter of outside housing 85 of drying receptacle 90
The minor diameter part 90b connecting portion 90c of the external diameter of 90a, the half of internal diameter with outside housing 85 or so is connected.
It is provided with what is be screwed with the external screw thread 65a in the inside cylindrical portion 65 of supporting base 56 in the center of installing plate 86
Internal thread part 86a.It is screwed by the internal thread part 86a and inside cylindrical portion 65 of installing plate 86, shell 55 is fixed
In supporting base 56.By the outer edge of fixing component 87 be wound in the outside openend of housing 85, fixing component 87 it is locking
Piece 87a is engaging in the hole 86h of installing plate 86, and installing plate 86 is fixed in fixing component 87.Pacify in the bottom of fixing component 87
The containment member 88 of confined space is formed equipped with closely sealed with the upper end of supporting base 56.
The granular drier 12 in drying receptacle 90 is filled into across the 1st glass fiber filter 51 and the 2nd glass fibers
Dimensional filter device 52 is clamped by upper board 91 and lower panel 92 along above-below direction.Force bullet is internally provided with outer side body 85
Spring 93.Force application spring 93 is arranged at the spring receiving portion 91a of upper board 91, and upper board 91 is exerted a force towards lower panel 92.
Upper board 91 and lower panel 92 are formed with multiple through hole 91h, 92h.In addition, in upper board 91 formed with from spring receiving portion
The groove portion that 91a is extended radially.In addition, glass fiber filter 51,52 has and the 1st embodiment identical shape.
In addition, the lower section of the lower panel 92 in the inner space of outer side body 85 contains oily adsorption piece 95.Oil absorption
Part 95 is configured in the internal face of outer side body 85 and the linking part 90c of drying receptacle 90 and minor diameter part 90b in substantially annular shape
Between the space that is formed.Oily adsorption piece 95 is made up of the sponge with oil resistivity, heat resistance and moisture-proof.The oily adsorption piece
95 are easy to catch the elaioleucite of the bigger particle diameter in the elaioleucite of path and the elaioleucite except the particle diameter using electrostatic force
It is also easy to catch the elaioleucite in big footpath outside son.The particle diameter ratio of the elaioleucite mainly caught by oily adsorption piece 95 is mainly by glass fibers
The particle diameter for the elaioleucite that dimensional filter device 51,52 is caught is big.The particle diameter for the elaioleucite for being easy to be caught by oily adsorption piece 95 is for example
More than 300nm.On the other hand, it is, for example, less than the capturing efficiency of 300nm elaioleucite in glass fiber filter 51,52
It is higher.
Then, action of the reference picture 5 to compressed air drier illustrates.
Operated for loading, the pressure in shell 55 starts when turning into minimum predetermined value, in above-mentioned air tank
Pressure terminates when turning into maximum predetermined value.When loading operating, entrance 57 (reference picture 3) and 58 (reference pictures 4) of outlet are beaten
Open, and floss hole 61 is closed.In addition, operated for unloading, pressure in above-mentioned air tank turn into maximum predetermined value it
Border starts, and the pressure in shell 55 terminates when turning into minimum predetermined value.When unloading operating, entrance 57 and outlet 58 are closed
Close, also, floss hole 61 is opened.
When loading operating, the compressed air flowed into from compressor (not shown) via entrance 57 imports into the 1st tank 67.
The compressed air flows into oily adsorption piece 95 from the hole 86h formed in installing plate 86.Elaioleucite contained by compressed air is inhaled by oil
Annex 95 is caught.Due to now producing electrostatic force between elaioleucite and oily adsorption piece 95, it is possible to increase absorption affinity.
Pass through gap of the compressed air of oily adsorption piece 95 between shell 55 and large-diameter portion 90a, pass through upper board
91 through hole 91h, and flow into the 1st glass fiber filter 51.In the glass fiber filter 51, particle diameter ratio is adsorbed by oil
The also small elaioleucite of the elaioleucite that part 95 captures is captured.Now, the elaioleucite (such as more than 300nm particle diameter) in big footpath
It is most of to be removed in advance by oily adsorption piece 95, therefore, in glass fiber filter 51, the elaioleucite of the smaller path of particle diameter
Clearance be enhanced.Compressed air after most elaioleucite is removed is conveyed to drier 12.Pass through compressed air
Contacted with drier 12, moisture is removed from compressed air.Dried compressed air is defeated to the minor diameter part 90b of drying receptacle 90
Send, also, discharged from outlet 58.
Then, unloading operating is illustrated.When unloading operating, in a same manner as in the first embodiment, entrance 57 and outlet 58 are closed
Close, floss hole 61 is opened.If floss hole 61 is opened, containing oily, moisture waste liquid suddenly by the drying in outside housing 85
Compressed air discharges to outside.
The drying compressed air accumulated to outside housing 85 passes through the 2nd glass fibers via the through hole 92h of lower panel 92
Dimensional filter device 52, conveyed to drier 12.Drier 12 is regenerated by making drying compressed air be contacted with drier 12.It is logical
The compressed air of drier 12 is crossed by the 1st glass fiber filter 51 and the through hole 91h of upper board 91, via shell 55
With the gap between large-diameter portion 90a, pass through oily adsorption piece 95.Now, the not only moisture of drier 12 but also by the 2nd glass fibers
The oily part that dimensional filter device 52, the 1st glass fiber filter 51 and oily adsorption piece 95 capture also is removed.
The compressed air of oily adsorption piece 95 is passed through via interior by passing through exhaust in discharge valve system 80 in the 1st tank 67
Pipe 68 and together with waste liquid to outside discharge.
Compressed air and waste liquid are discharged from floss hole 61, if the pressures near atmospheric in shell 55, compressed air
Discharge with waste liquid stops.If the pressure in shell 55 reaches minimum predetermined pressure, the compression from pressure regulator 62 is empty
The supply of gas is stopped, and so as to which air is discharged from space 71, discharge valve system 80 will be arranged using the active force of force application spring 84
Mouth 61 is put to close.Then, compressed air drier is converted into loading operating from unloading operating.
As described above, according to present embodiment, the advantages of obtaining above-mentioned (1) and (2), also, also obtain below
The advantages of.
(4) each glass fiber filter 51,52 is arranged at the position in downstream when being operated than oily adsorption piece 95 by loading,
Therefore, it is possible to utilize the elaioleucite for catching bigger footpath in advance in electrostatic force caused by oily adsorption piece 95.In addition, larger particle diameter
Elaioleucite major part be removed after compressed air flowed to each glass fiber filter 51,52, therefore, by glass fibre
The oily amount that filter 51,52 captures is in the short time not over its capacity.
(the 3rd embodiment)
Then, reference picture 6, by with implementing centered on the difference of the 1st embodiment to the 3rd of compressed air drier
Mode illustrates.In addition, the structure of the glass fiber filter of the compressed air drier of present embodiment is implemented with the 1st
Mode is different.In addition, in the accompanying drawings, a pair key element substantially the same with the 1st embodiment marks identical reference respectively
To represent, the repetitive description thereof will be omitted.
As shown in fig. 6, the 1st glass fiber filter 51 in present embodiment by with the phase of the 2nd glass fiber filter 52
Same material is formed, but thinner than the 2nd glass fiber filter 52.In the present embodiment, the 1st glass fiber filter 51 is by 1
Open filter to form, the 2nd glass fiber filter 52 passes through overlapping two or 3 and the identical of the 1st glass fiber filter 51
Filter and form.Therefore, even if the 1st glass fiber filter 51 absorbs moisture, it is also easy to discharge the moisture.
When unloading operating, the 2nd glass fiber filter 52 is without exposure to the moisture ejected from drier 12.It is another
Aspect, the 1st glass fiber filter 51 are exposed to the moisture ejected from drier 12, but relatively thin, thus, it is easy to discharge water
Point.Therefore, oily removal capacity is difficult to reduce.Thus, after loading operating has started again at, it can also utilize the 1st glass fibers
Dimensional filter device 51 catches oil.
As described above, according to present embodiment, the advantages of obtaining above-mentioned (1)~(3), also obtain following excellent
Point.
(5) upstream when being operated when unloading and operating together with compressed air from the water that drier ejects by loading
Absorbed when the glass fiber filter 51 of side by the glass fiber filter 51.It is upper when loading operates according to said structure
The thickness of thin of the 2nd glass fiber filter 52 in the thickness ratio downstream of the glass fiber filter 51 of side is swum, moisture is easy to arrange
Go out.Therefore, it is possible to suppress caused by unloading operating is repeated, the oil trap of glass fiber filter 51 catches the reduction of performance.
(the 4th embodiment)
Then, 7~Figure 15 of reference picture by with centered on the difference of the 1st embodiment to the of compressed air drier
4 embodiments illustrate.In addition, the structure of the glass fiber filter of the compressed air drier of present embodiment and the
1 embodiment is different.In addition, in the accompanying drawings, a pair key element substantially the same with the 1st embodiment marks identical accompanying drawing respectively
Mark to represent, the repetitive description thereof will be omitted.
As shown in fig. 7, filter cylinder 105 is provided between drier 12 and oil separation filter device 44.Filter cylinder 105 has bottom
Plate 110, the 1st glass fiber filter 51 and plate 113.Lower panel 110 is formed as the tubular that side end-enclosed gets up.
The inner side of lower panel 110 contains multiple the 1st glass fiber filters 51.
In addition, drying receptacle 13 is provided with valve gear 120.Valve gear 120 is preset in the pressure ratio of scavenging tank 14
Good higher limit height and the pressure difference between the pressure in drying receptacle 13 is opened when turning into more than predetermined pressure, small in pressure difference
Closed when predetermined pressure.Thereby, it is possible to prevent the pressure in scavenging tank 14 from exceeding higher limit, it is therefore prevented that during unloading operating
Scavenging tank 14 in pressure reduction drastically, can suppress by scavenging tank 14 and drying receptacle 13 collide caused noise,
Rock.
As shown in figure 8, in lower panel 110 formed with multiple through holes 111.In addition, contain multiple glass in lower panel 110
Glass fabric filter 51.In the present embodiment, 8 the 1st glass fiber filters 51 are overlapping along the direction of air flow.Separately
Outside, each 1st glass fiber filter 51 is supported by plate 113.In plate 113 formed with multiple through holes 112 and breach 116.
As shown in figure 9, lower panel 110 is provided with the stage portion 114 for support plate 113.In the insertion that plate 113 is formed
The diameter in hole 112 is smaller than the through hole 111 of lower panel 110.Plate 113 supports the 1st glass fiber filter 51, and suppresses to form
The glass fibre of 1st glass fiber filter 51 comes off.
Then, effect of the reference picture 7 to filter cylinder 105 illustrates.When operating is loaded, filter cylinder 105 is arrived using housing
Multiple 1st glass fiber filters 51 catch the elaioleucite in big footpath in the upstream side of drier 12.Utilize multiple 1st glass fibers
Dimensional filter device 51 catches many elaioleucites in the upstream side of drier 12, so as to reduce the oil flowed to drier 12 as far as possible
Amount.2nd glass fiber filter 52 is passed through by dried compressed air by drier 12.Thus, drier has been passed through
The elaioleucite of 12 path is captured.
When operating is unloaded, the drying compressed air accumulated to scavenging tank 14 passes through the through hole of upper board 46 and the 2nd
Glass fiber filter 52, flowed to drier 12.Now, by the way that the 2nd glass fiber filter 52 is set into individual layer, unloading
The oil mass that 2nd glass fiber filter 52 of the upstream side in drier 12 during operating is kept tails off, therefore, it is possible to reduce
The oil mass flowed to drier 12.Then, the drying compressed air of drier 12 is flowed into by being contacted with drier 12 to make
Drier 12 regenerates.In drier 12 by and containing moisture etc. compressed air the 1st glass fiber filter 51 and under
The through hole of portion's plate 45 is by and passing through oil separation filter device 44.
Figure 10 is compressed-air drier filter cylinder and is the amplification stereogram from positive upper right surface side.Figure 10
In represented interrupted line (crest line) be used for the shape for representing three-dimensional surface.
Figure 11 is the amplification stereogram from the compressed-air drier filter cylinder of surface side on the left of the bottom surface of the back side.
Figure 12 is the front view of compressed-air drier filter cylinder.In addition, rearview represents identically with front view.
Figure 13 is the top view of compressed-air drier filter cylinder.
Figure 14 is the upward view of compressed-air drier filter cylinder.
Figure 15 is the right side view of compressed-air drier filter cylinder.In addition, left side view earth's surface identical with right side view
Show.
As described above, according to present embodiment, the advantages of obtaining above-mentioned (1)~(3), also, also obtain following
The advantages of.
(5) filter cylinder 105 is provided with the layered product that multiple 1st glass fiber filters 51 are laminated, therefore, it is possible to carry
The oily clearance of high filter cylinder 105.
(other embodiment)
In addition, the respective embodiments described above also can by it is following it is such in the form of implement.
In the respective embodiments described above, it is preferred that average fiber footpath is more than 0.1 μm and less than 30 μm, average fibre
It is 5kg/m to tie up density3Above and 50kg/m3Hereinafter, it is further preferred that average fiber footpath is more than 0.1 μm and less than 10 μm, put down
Equal fibre density is 5kg/m3Above and 30kg/m3Below.For being located at upstream during loading operating for drier 12
1st glass fiber filter 51 of side, the smaller such glass fibre of and average fiber density bigger using average fiber footpath.
2nd glass fiber filter 52 in downstream during for being located at loading operating for drier 12, uses average fibre
Tie up that footpath is smaller and the bigger such glass fibre of average fiber density.The elaioleucite caught by the 1st glass fiber filter 51
The particle diameter of elaioleucite of the particle diameter than being caught by the 2nd glass fiber filter 52 is big.Thus, upper for drier 12
The larger elaioleucite of trip side particle diameter is captured, and is caught in the less elaioleucite of downstream particle diameter for drier 12
Catch.As a result, the blocking of the drier 12 as caused by oil is attached to drier 12 can be suppressed, also, reduce from compressed air
The oily containing ratio of the air of drying device discharge.
In the 2nd embodiment, when unloading and operating, using the drying compressed air in outside housing 85 by waste liquid
Discharge, but the drying compressed air for being stored to the air tank being connected with compressed air drier can also be utilized to arrange waste liquid
Go out.The air tank is service brake air tank, stopping brake air tank, accessory air tank etc..In addition, in the situation
Under, when operating is unloaded, outlet 58 is not closed.It is moreover, maximum in the downstream of outlet 58 or the downstream of safety valve 60 measure
Predetermined value and minimum predetermined value.
As shown in figure 16, in the compressed air drier of the shell 55 with box type of the 2nd embodiment,
The thickness for being arranged at its internal glass fiber filter 51,52 can be made different.In this case, also with the 3rd embodiment
Similarly, the glass fiber filter of thickness ratio the 2nd of the 1st glass fiber filter 51 in upstream side when loading operating is made
52 thickness of thin.In this case, also by improve the 1st glass fiber filter 51 moisture discharge, if exposed to
The water ejected from drier 12 when unloading and operating, also it is readily able to discharge in the water being absorbed to.
As shown in figure 17, the oily adsorption piece 95 in the 2nd embodiment can also set baffle plate 100 to substitute charging property sea
It is continuous.By making compressed air be collided with the baffle plate 100, can make elaioleucite contained by compressed air and baffle plate 100 collide and
Caught.
As shown in figure 18, can also by it is in each glass fiber filter 51,52, be configured at relative to drier 12 and
The 1st glass fiber filter 51 of upstream side changes over the discharge of moisture than glass fiber filter during the loading operating of speech
Other high filters 101 of the discharge of moisture.It can also use such as the filter being made up of synthetic resin fiber.
As shown in figure 19, can also be in the drying receptacle 13 of the compressed air drier of the 4th embodiment, with
The stage portion 13A of the ends contact of lower panel 110 sets sealing 115.Sealing 115 is the sheet material of the shape with ring-type,
The sealing 115 is by that to being sealed between box filter 105 and stage portion 13A, can suppress air through as shown in Figure 7
Flowed to the side of oil separation filter device 44 in gap between upper board 46 and drying receptacle 13.Therefore, it is possible to press down when loading and operating
Drying compressed air processed flows backwards, and suppresses air not by drier 12 to the effluent of oil separation filter device 44 when unloading and operating
It is dynamic.Alternatively, it is also possible to set sealing 115 in the compressed air drier of the embodiment of the 1st embodiment~the 3rd.In addition,
Sealing 115 is not limited to the component of sheet or the other shapes such as circular ring is in cylindric, section.
Can also be, the 1st glass fiber filter 51 loading operating when upstream side face and downstream face,
Face in the face of upstream side and the face in downstream during the loading operating of the 2nd glass fiber filter 52, at least one is provided with
Bypass air through while suppress the base fabric to disperse of glass fibre.Base fabric by be difficult to such as non-woven fabrics produce Soft flocks material
Material is formed.If setting base fabric in the face of such as upstream side of the 1st glass fiber filter 51, glass fibre can be suppressed and be mixed into
The path of compressor side.If in addition, setting base fabric in the face in the downstream of the 1st glass fiber filter 51, glass can be suppressed
Glass fiber is mixed into drier 12.If setting base fabric in the face of the upstream side of the 2nd glass fiber filter 52, carrying can unloaded
Suppress glass fibre when turning etc. and be mixed into drier 12.If in addition, bottom is set in the face in the downstream of the 2nd glass fiber filter 52
Cloth, then can suppress glass fibre be mixed into the downstream for being arranged at air dryer outside air tank side path.
In the respective embodiments described above, the 1st glass fiber filter 51 and the 2nd glass fiber filter 52 are by with phase
The material of same characteristic is formed, but fiber footpath, aperture and the depth direction of the 1st glass fiber filter 51 can also be made close
Spend different from the fiber footpath of the 2nd glass fiber filter 52, aperture and depth direction density.As long as such as increased fiber footpath
And aperture, so that it may improve the discharge of water.
In the 3rd embodiment, the 1st glass fiber filter is set to individual layer, the 2nd glass fiber filter 52 be by
Overlapping two or 3 of 1 layer of glass fiber filter forms, and the stacking number of the 2nd glass fiber filter 52 is multiple.
Alternatively, it is also possible to be, by the 1st glass fiber filter 51 be set to by the filter of individual layer it is overlapping multiple form, by the 2nd glass
The stacking number of fabric filter 52 is set to the number more than the stacking number than the 1st glass fiber filter 51.
In the 4th embodiment, the compressed air drier of the 1st embodiment is provided with filter cylinder 105, but also may be used
To set filter cylinder 105 in the compressed air drier of the 2nd embodiment.In this case, when loading operating in air institute
Filter cylinder 105 is set on the direction of flowing between oily adsorption piece 95 and drier 12.
In the 4th embodiment, filter cylinder 105 has the stacking for being laminated multiple 1st glass fiber filters 51
Body, but can also have the layered product for being laminated multiple 2nd glass fiber filters 52.
It can also be the filter layer that will be formed by the material such as sponge, non-woven fabrics in addition to glass fibre
At least one of the 1st glass fiber filter 51 and the 2nd glass fiber filter 52 are laminated on, and drier 12 will be arranged at
The filter in upstream side and downstream is set to lit-par-lit structure.
Glass fiber filter 51,52 is formed as discoid, but as long as be disposed on the midway of the stream of compressed air,
And be the shape that compressed air can pass through, can also be just other shapes.It can also be set to for example in the central portion and outside
The shape that edge change thickness forms.
Glass fiber filter 51,52 is glass fibre to be molded with but it is also possible to be such as making glass
Fiber is carried on the filter that machine material forms, or, be filter for mixing other materials and glass fibre etc. by glass
The filter that fiber and material in addition are formed.
Can also be, on the stream of the compressed air from the entrance of compressed air drier to outlet, in drying
Glass fiber filter 51,52 is set any one of between drying receptacle and outlet between container and entrance.
For the structure of compression drying device, as long as in the stream of compressed air, in the upstream side of drier and
Downstream can carry glass fiber filter, can also be just the structure in addition to the respective embodiments described above.
Claims (3)
1. a kind of compressed air drier, it possesses：
Supporting base, it has：Entrance, it is used for voltage supply stream of compressed air and entered；And outlet, it, which is used to discharge, dries compression sky
Gas；
Drying receptacle, consist of, can be desiccant-filled, and it is mounted on the supporting base；And
Glass fiber filter, it is arranged at described on from the entrance to the stream of the compressed air of the outlet
At least one of between drying receptacle and the entrance between the drying receptacle and the outlet,
The average diameter of the glass fiber filter possessed glass fibre is more than 0.1 μm and less than 10 μm.
2. compressed air drier according to claim 1, wherein,
Distance is less than 100 μm between the glass fibre of the glass fiber filter.
3. compressed air drier according to claim 1 or 2, wherein,
The average glass fiber density of the glass fiber filter is 5kg/m3Above and 30kg/m3Below.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-071918 | 2015-03-31 | ||
| JP2015071918A JP2016190207A (en) | 2015-03-31 | 2015-03-31 | Compressed-air drier |
| JP2015-024762 | 2015-11-05 | ||
| JP2015024762 | 2015-11-05 | ||
| PCT/JP2016/060442 WO2016159109A1 (en) | 2015-03-31 | 2016-03-30 | Compressed air drying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107708841A true CN107708841A (en) | 2018-02-16 |
| CN107708841B CN107708841B (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680019099.7A Active CN107708841B (en) | 2015-03-31 | 2016-03-30 | Compressed air drying device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107708841B (en) |
| WO (1) | WO2016159109A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101332390A (en) * | 2007-03-29 | 2008-12-31 | 打清股份有限公司 | Silicane loaded type fiber filter |
| WO2014061582A1 (en) * | 2012-10-15 | 2014-04-24 | ナブテスコオートモーティブ 株式会社 | Compressed air drying device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3796025A (en) * | 1971-12-23 | 1974-03-12 | Bendix Corp | Absorptive dryer having oil mist eliminating apparatus |
| JPH0722667B2 (en) * | 1987-04-23 | 1995-03-15 | 株式会社日立製作所 | Oil separator |
| JPS6412624U (en) * | 1987-07-10 | 1989-01-23 | ||
| US5427609A (en) * | 1993-09-14 | 1995-06-27 | Horton Industries, Inc. | Device for cleaning and drying compressed gas |
| DE112015000364T5 (en) * | 2014-01-10 | 2016-10-06 | Nabtesco Automotive Corporation | Compressed air drying device |
| WO2015129914A1 (en) * | 2014-02-28 | 2015-09-03 | ナブテスコオートモーティブ 株式会社 | Oil separator |
-
2016
- 2016-03-30 CN CN201680019099.7A patent/CN107708841B/en active Active
- 2016-03-30 WO PCT/JP2016/060442 patent/WO2016159109A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101332390A (en) * | 2007-03-29 | 2008-12-31 | 打清股份有限公司 | Silicane loaded type fiber filter |
| WO2014061582A1 (en) * | 2012-10-15 | 2014-04-24 | ナブテスコオートモーティブ 株式会社 | Compressed air drying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107708841B (en) | 2022-02-22 |
| WO2016159109A1 (en) | 2016-10-06 |
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