CN110302635A - It is used for rail vehicle to be air-dried purification device - Google Patents
It is used for rail vehicle to be air-dried purification device Download PDFInfo
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- CN110302635A CN110302635A CN201910554925.3A CN201910554925A CN110302635A CN 110302635 A CN110302635 A CN 110302635A CN 201910554925 A CN201910554925 A CN 201910554925A CN 110302635 A CN110302635 A CN 110302635A
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- 238000000746 purification Methods 0.000 title claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 75
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000002274 desiccant Substances 0.000 claims description 10
- 230000003584 silencer Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 description 8
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 238000007906 compression Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- 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
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- 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
-
- 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
- B01D53/261—Drying gases or vapours by adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Drying Of Gases (AREA)
Abstract
Field is air-dried the present invention relates to vehicle launch device, it provides and used for rail vehicle is air-dried purification device, including the first drying tower and the second drying tower arranged side by side, first drying tower is successively arranged the first air inlet and the first gas outlet from the bottom to top, second drying tower is successively arranged the second air inlet and the second gas outlet from the bottom to top, air inlet reversal valve is equipped between first air inlet and the second air inlet, air inlet reversal valve is equipped with air inlet, air outlet check valve is equipped between first gas outlet and the second gas outlet, air outlet check valve is equipped with venthole, further include: the first moisture detector, for detecting the humidity of air inlet；Second moisture detector, for detecting the humidity of outlet；Electric controller is electrically connected with air inlet reversal valve and the first moisture detector, the second moisture detector respectively, for controlling the conversion time of air inlet reversal valve according to the air humidity of detection.The present invention can be avoided the frequent transitions of air inlet reversal valve.
Description
Technical field
It is air-dried technical field the present invention relates to vehicle launch device, more particularly to a kind of air used for rail vehicle
Dry decontamination device.
Background technique
In blowing plant, due to the humidity corrosion in compressed air and freeze danger will lead to pneumatic device occur
Failure and premature abrasion.
Always contain vapor in atmosphere, as long as moisture exists in the form of steam, it is combined together with air always.
Until more than saturation limit (100% relative air humidity), moisture is just fallen in the form of raindrop, mist or snow.
Saturation limit changes depending on temperature, and with the raising of temperature, air can absorb more moisture.Thus can illustrate
Since the raising of temperature will not condense water outlet in the compression process of compressor, and only when the compressed air of conveying is in secondary cooling
Water outlet can be just condensed when cooling down again in device.
One simple sample calculation can illustrate this process: when outdoor temperature is+30 DEG C, relative humidity 80%
When, 1m3The air being inhaled into contains 24.5g with water existing for vapor form.Such 1m3Over-voltage feelings of the compressed air in 10bar
Containing the water of 11x24.5=269.5g under condition, air themperature rises in compression process.When being cooled back to 50 DEG C, in saturation
The air of state can only receive 83g/m3 vapor；Thus to condense out 269.5-83=186.5g/m3Water.This example
It clearly shows, air is always at saturation state after cooling down again in compressed air system.
In this way due to natural cooling and water will condense the problems such as falling, freezing so as to cause burn into when further cooling down.
It is further illustrated with this, when compressed air is cooled to 20 DEG C from 50 DEG C again, 66g/m can further be precipitated3Water is cooled to
At 10 DEG C, or even 74g/m can be precipitated3Water.Although this shows that air is cooled down very well and may be analysed in compressed air
Condensed water out, but still there are many water to remain in blowing plant as water vapor.
The major function of blowing plant is that the air humidity of compressed air is made to be reduced to inappreciable residue containing wet
Amount, only when being air-dried in blowing plant is always maintained at relative humidity below 35%, blowing plant
It could reliable and economy work.Atmospheric corrosion will not be generated below this " critical humidity ", even if there are so-called in air
Corrode inducing agent such as acid etc., is also not easy to corrode.So the effect of intelligent air purifier is to advise dry air (
It is more than fixed ambient temperature limiting value) relative humidity preferably must be held in 35% or less.
Blowing plant used for rail vehicle is the purification device that dehumidified by the heatless regeneration formula that two drying towers work alternatively,
When A tower enters adsorbed state, B tower enters reproduced state, and when to setting time, B tower enters adsorbed state, and A tower enters regeneration
State completes the fixed change-over period.In this way, per change-over period changes the drying and regeneration of left and right drying tower.In this way, left and right trunk
Dry and regeneration is repeated in dry tower.
The conversion time of double tower is all pre-set at present, such as 60 seconds or 90 seconds are converted, this conversion time
It can be preset according to weather, but it is fixed after being arranged, it cannot be automatic according to actual state real-time perfoming
Adjustment.The consequence for being unable to adjust automatically is, if air is very dry, frequent conversion can bring about the waste of the energy, compression
The 15-20% of air is wasted by air cleaning unit；If air is very moist or drying capacity has dropped, but conversion time
It is longer, it will result in humid air and enter brake piping.
China territory is vast, spectacular, and for EMU towards the north of hair low temperature arid, dusk is non-to the south of hot humid
The drier of intelligence can not adapt to such case, cause air quality decline or energy waste.
In addition, existing blowing plant is running long enough only with the empirically determined maintenance time limit of accumulation at present
Time after, survey sample the situation and operating condition of several devices, and need to split check its degree of wear, for judge
Foundation.And because use environment is varied, it is difficult to grasp the operating status of blowing plant.
In addition, the aqueous vapor that drier is discharged when preventing weather colder freezes, exhaust (water) hole is blocked, so general setting is outer
When portion's air environment temperature is lower than 5 DEG C, heating device is opened manually, heating device is turned off manually when environment temperature is higher than 5 DEG C,
Operating flexibility is poor, inconvenient for use.
Summary of the invention
(1) technical problems to be solved
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
The object of the present invention is to provide it is a kind of it is used for rail vehicle be air-dried purification device, to solve the conversion of current double tower
Time is all pre-set, cannot be according to actual state real-time perfoming adjust automatically the technical issues of.
(2) technical solution
In order to solve the above-mentioned technical problem, the embodiment of the present invention provide it is a kind of it is used for rail vehicle be air-dried purification device,
Including the first drying tower and the second drying tower arranged side by side, first drying tower is successively arranged the first air inlet from the bottom to top
With the first gas outlet, second drying tower is successively arranged the second air inlet and the second gas outlet from the bottom to top, described first into
Between port and the second air inlet be equipped with air inlet reversal valve, the air inlet reversal valve be equipped with air inlet, first gas outlet with
Air outlet check valve is equipped between second gas outlet, the air outlet check valve is equipped with venthole, further include:
First moisture detector is set to the air inlet position, for detecting the humidity of air inlet；
Second moisture detector is set at the venthole, for detecting the humidity of outlet；
Electric controller is electrically connected with the air inlet reversal valve and the first moisture detector, the second moisture detector respectively, is used
In turn for controlling the air inlet reversal valve according to the air humidity of first moisture detector and the detection of the second moisture detector
Change the time.
In one specific embodiment, the bottom of first drying tower is equipped with the first discharge outlet, second drying tower
Bottom is equipped with the second discharge outlet；Further include:
Heating element, the heating element are connect with first discharge outlet and the second discharge outlet respectively；
Ambient temperature sensor is electrically connected with the electric controller with the heating element, and the electric controller is used for basis
Whether the environment temperature of detection, which reaches set temperature, controls the heating element opening and closing.
In one specific embodiment, the first drain valve is connected at first discharge outlet, is connected at second discharge outlet
Second drain valve, the heating element is connect with first drain valve with second drain valve respectively, and the first row
Water valve is electrically connected with the electric controller with the second drain valve.
In one specific embodiment, grease is successively arranged respectively from the bottom to top in first drying tower and the second drying tower
Separator, lower filter screen component, desiccant and upper filter screen component, the lower filter screen component are set on the oil water separator, institute
Upper filter screen component is stated to be respectively arranged at first gas outlet and the second gas outlet.
In one specific embodiment, further includes:
Comparator is electrically connected with first moisture detector and the second moisture detector respectively, by ambient humidity and is gone out
Air humidity degree is compared；
Alarm is connect with the comparator.
In one specific embodiment, between first air inlet and the second air inlet be equipped with air inlet connector, it is described into
Gas connector be equipped with the air inlet and the first air inlet path for being connected to first air inlet and with second air inlet
Connection the second air inlet path, the air inlet reversal valve be set to the air inlet connector on, for the air inlet and first into
Gas circuit conducting or the air inlet switch between being connected with the second air inlet path.
In one specific embodiment, between first gas outlet and the second gas outlet be equipped with outlet connector, it is described go out
Gas connector is equipped with first be connected to the first gas outlet goes out gas circuit and be connected to second gas outlet second and goes out gas circuit,
The air outlet check valve be set to the outlet connector on, for be connected described first go out gas circuit or second go out gas circuit.
In one specific embodiment, the outlet connector is additionally provided with connection described first, and gas circuit and second goes out gas circuit out
Connecting hole.
In one specific embodiment, first air inlet and the second air inlet connect with the corresponding oil water separator
It is logical.
In one specific embodiment, the exit of first drain valve and the second drain valve is equipped with silencer.
(3) beneficial effect
Compared with prior art, the invention has the following advantages that
One kind provided by the invention is used for rail vehicle to be air-dried purification device, in the existing base for being air-dried purification device
First moisture detector and the second moisture detector be set on plinth, electric controller respectively with air inlet reversal valve and the first Humidity Detection
Device, the electrical connection of the second moisture detector, pass through the air according to first moisture detector and the detection of the second moisture detector
The conversion time of air inlet reversal valve described in humid control.To shorten air inlet reversal valve in time when the humidity of air inlet is very high
Conversion time also shortens conversion time when the humidity of outlet has the tendency that beyond setting value；It is when ambient humidity is very low
Air inlet can extend conversion time when very dry, avoid the loss of compressed air during frequent transitions, also avoid frequently turning
Change the service life for influencing air inlet reversal valve.
Detailed description of the invention
Fig. 1 is a kind of schematic structural cross-sectional view used for rail vehicle for being air-dried purification device of the embodiment of the present invention；
In figure: 1: the first drying tower；11: the first air inlets；12: the first gas outlets；2: the second drying towers；21: the second into
Port；22: the second gas outlets；3: oil water separator；4: lower filter screen component；5: desiccant；6: upper filter screen component；7: air inlet commutation
Valve；71: air inlet；8: air outlet check valve；81: venthole；9: air inlet connector；10: outlet connector；20: connecting hole；30:
First drain valve；40: the second drain valves；50: heating element；60: the first moisture detectors；70: the second moisture detectors.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand that above-mentioned term exists
Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " be meant that two or
It is more than two.
As shown in Figure 1, the embodiment of the invention provides it is a kind of it is used for rail vehicle be air-dried purification device, including set side by side
The first drying tower 1 and the second drying tower 2 set, the first drying tower 1 and the second drying tower 2 take turns to operate, first drying tower 1
It is successively arranged the first air inlet 11 and the first gas outlet 12 from the bottom to top, second drying tower 2 is successively arranged from the bottom to top
Two air inlets 21 and the second gas outlet 22, the first air inlet 11 are oppositely arranged with the second air inlet 21, the first gas outlet 12 and
Two gas outlets 22 are oppositely arranged, and air inlet reversal valve 7, the air inlet are equipped between first air inlet 11 and the second air inlet 21
Reversal valve 7 is equipped with air inlet 71, and compressed air first enters in air inlet reversal valve 7 from air inlet 71, passes through the valve of air inlet reversal valve 7
Core action control air inlet 71 is to be connected to the first air inlet 11 or be connected to the second air inlet 21, specifically, air inlet commutation
The first spool to be opened/closed is equipped in valve 7 with the junction of the first air inlet 11, is connected in air inlet reversal valve 7 with the second air inlet 21
It meets place and is equipped with the second spool to be opened/closed, when the first spool is opened, the second spool is closed, air inlet 71 and the first air inlet 11
Connection, compressed air enters the first drying tower 1 at this time, and the first drying tower 1 enters adsorbed state, when the closing of the first spool, second
When spool is opened, air inlet 71 is connected to the second air inlet 21, at this point, compressed air enters the second drying tower 2, the second drying tower
2 enter adsorbed state；Air outlet check valve 8, the outlet non-return are equipped between first gas outlet 12 and the second gas outlet 22
Valve 8 is equipped with venthole 81, and the air after dry filter is discharged from venthole 81, can be used as power gas source and is vented directly to outside
Pneumatic device in.In addition, when the work of the first drying tower 1 is in adsorbed state, air after dry filter is from the first gas outlet
12 are discharged to the venthole 81 of air outlet check valve 8, and the second outlet for having the air after small part drying to enter the second drying tower 2
Mouth 22 from top to bottom enters the second drying tower 2, and with dry second drying tower 2, the second drying tower 2 enters reproduced state at this time, together
Reason, when the work of the second drying tower 2 is in adsorbed state, the air after dry filter is discharged to outlet non-return from the second gas outlet 22
The venthole 81 of valve 8, and have small part it is dry after air enter the first gas outlet 12 of the first drying tower 1, from top to bottom into
Enter the first drying tower 1, with dry first drying tower 1, the first drying tower 1 enters reproduced state at this time.
The present embodiment is main further include:
First moisture detector 60 is set at the air inlet 71,71 outer wall of air inlet can be set to, for detecting compression
The humidity of air inlet；
Second moisture detector 70 is set at the venthole 81,81 outer wall of venthole can be set to, for detecting drying
The humidity of air outlet afterwards；
Electric controller can be PLC (Programmable Logic Controller, programmable logic controller (PLC)), respectively
It is electrically connected with the air inlet reversal valve 7 and the first moisture detector 60, the second moisture detector 70, for according to described first
Moisture detector 60 and the air humidity of the second moisture detector 70 detection control the conversion time of the air inlet reversal valve 7.From
And when the humidity of air inlet is very high, shorten the conversion time of air inlet reversal valve 7 in time, when the humidity of outlet has beyond setting value
Trend when, also shorten conversion time；It is that air inlet can extend conversion time when very dry when ambient humidity is very low, avoids
The loss of compressed air during frequent transitions also avoids frequent transitions from influencing the service life of air inlet reversal valve 7.
For example, the humidity of detection outlet, reaches 35% in outlet humidity or it is expected that when being up to 35%, it is dry to carry out first
The work of dry tower 1 and the second drying tower 2 is converted；When not reaching 35%, persistently it is dried using the tower, and without double tower
Conversion.It not only can guarantee that air humidity reached in this way to require, but also can be reduced air mass flow caused by air outlet check valve 8 is vented and lose,
Avoid the useless waste of compressed air.
It should be noted that electric controller can be using single-chip microcontrollers such as existing PLC.
In addition, be currently which drying tower is working in order to be visually observed that, it can be in the first drying tower 1 and
Two drying towers 2 are respectively provided with indicator light, and when one of drying tower enters adsorbed state, coupled indicator light is bright.
In one specific embodiment, the bottom of first drying tower 1 is equipped with the first discharge outlet, second drying tower 2
Bottom be equipped with the second discharge outlet；Further include:
Heating element 50, the heating element 50 are connect with first discharge outlet and the second discharge outlet respectively, for adding
At hot first discharge outlet or the second discharge outlet, when the first drying tower 1 enters reproduced state, into the drying of the first drying tower 1
Air is used to take away the moisture in the first drying tower 1, and is discharged from the first discharge outlet, when the second drying tower 2 enters reproduced state
When, the dry air into the second drying tower 2 is used to take away the moisture in the second drying tower 2, and is discharged from the second discharge outlet；If
Setting heating element 50 can prevent the aqueous vapor being discharged when weather is colder from freezing, and block the first discharge outlet or the second discharge outlet.
Ambient temperature sensor, it is electric with the electric controller with the heating element 50 for accurately measuring environment temperature
Whether connection, the environment temperature that the electric controller is used to be detected according to ambient temperature sensor reach such as 5 DEG C of set temperature controls
It makes the heating element 50 to be opened and closed, such as when ambient temperature is lower than 5 DEG C automatically opens heating element 50, when environment temperature height
Heating element 50 is automatically closed when 5 DEG C, it is easy to operate.
Ambient temperature sensor needs to avoid the setting of heating element 50, to prevent ambient temperature sensor by heating element 50
Heat radiation interference, cause surveyed environment temperature inaccurate.
In one specific embodiment, the first drain valve 30 is connected at first discharge outlet, is connected at second discharge outlet
The second drain valve 40 is connect, the heating element 50 is connect with first drain valve 30 with second drain valve 40 respectively, and
First drain valve 30 is electrically connected with the electric controller with the second drain valve 40, thus, it is regenerated when the first drying tower 1 enters
State and when needing to drain, electric controller controls the first drain valve 30 and opens, and according to environment temperature judge whether to need to open plus
Thermal element 50, when the second drying tower 2 enters reproduced state and needs to drain, electric controller controls the second drain valve 40 and opens, and
Judged whether to need to open heating element 50 according to environment temperature.
In one specific embodiment, oil is successively arranged respectively from the bottom to top in first drying tower 1 and the second drying tower 2
Separator 3, lower filter screen component 4, desiccant 5 and upper filter screen component 6, the lower filter screen component 4 are set to the water-oil separating
On device 3, the upper filter screen component 6 is respectively arranged at first gas outlet 12 and the second gas outlet 22.First air inlet
11 and second air inlet 21 be connected to the corresponding oil water separator 3.Compressed air enters first by the first air inlet 11
In the oil water separator 3 of drying tower 1, the oil in air is removed, it is miscellaneous to remove the particle in air by lower filter screen component 4
Matter, by desiccant 5 to remove the moisture in air, and from 12 row of the first gas outlet after upper filter screen component 6 filters again
Out；Similarly, compressed air is entered by the second air inlet 21 in the oil water separator 3 of second drying tower 2, removes the oil in air
Point, by lower filter screen component 4 to remove the granule foreign in air, by desiccant 5 to remove the moisture in air, and pass through
Upper filter screen component 6 is discharged after filtering again from the second gas outlet 22.
In one specific embodiment, this is used for rail vehicle to be air-dried purification device further include:
Comparator is electrically connected, by ambient humidity respectively with first moisture detector 60 and the second moisture detector 70
It is compared with outlet humidity, is primarily based on the ambient humidity that the first moisture detector 60 detects, detection ambient humidity reaches
Certain threshold value such as 50%, and the humidity of air inlet, outlet is compared, when ratio is more than limits value, illustrate that there was dampness in the air
But desiccant 5 can be used as the judgment basis of desiccant 5 aging and failure there is no working；
Alarm is connect with the comparator, when judging 5 aging of desiccant and failure, is issued and is alarmed by alarm, mentioned
It wakes up and replaces desiccant 5 in time, avoid artificial micro-judgment or frequently dismount to check.
For the ease of controlling air inlet, in a specific embodiment, between first air inlet 11 and the second air inlet 21
Equipped with air inlet connector 9, the air inlet connector 9 be equipped with the air inlet 71 and be connected to first air inlet 11 first
Air inlet path and the second air inlet path being connected to second air inlet 21, the air inlet reversal valve 7 are connected set on the air inlet
On body 9, for being cut between the air inlet 71 is connected with the first air inlet path or the air inlet 71 is connected with the second air inlet path
It changes.Herein it should be noted that air inlet 71 is extended into air inlet reversal valve 7 by air inlet connector 9, when air inlet reversal valve 7 is cut
When changing to air inlet 71 and being connected with the first air inlet path, compressed air enters the first air inlet 11 by air inlet 71, the first air inlet path,
Enter in the first drying tower 1；When air inlet reversal valve 7, which is switched to air inlet 71, to be connected with the second air inlet path, compressed air by
Air inlet 71, the second air inlet path enter the second air inlet 21, that is, enter in the second drying tower 2.
In one specific embodiment, outlet connector 10 is equipped between first gas outlet 12 and the second gas outlet 22,
The outlet connector 10 is equipped with first be connected to the first gas outlet 12 and goes out gas circuit and be connected to second gas outlet 22
Second go out gas circuit, the air outlet check valve 8 is set on the outlet connector 10, goes out gas circuit or for being connected described first
Two go out gas circuit.When air outlet check valve 8, which is switched to conducting first, goes out gas circuit, it is dry after air enter the by the first gas outlet 12
One goes out gas circuit, and is discharged by gas vent；When air outlet check valve 8, which is switched to conducting second, goes out gas circuit, it is dry after air by the
Two gas outlets 22 enter second and go out gas circuit, and are discharged by gas vent.
In one specific embodiment, the outlet connector 10 is additionally provided with connection described first, and gas circuit and second goes out gas circuit out
Connecting hole 20, the aperture of the connecting hole 20 can be set it is smaller, such as diameter be 1~2mm, by the connecting hole 20 can will
Air sub-fraction after drying is discharged into the first drying tower 1 or the second drying tower 2, is used as the first drying tower 1 or the second drying tower 2
Dry air when regeneration.
In one specific embodiment, the exit of first drain valve 30 and the second drain valve 40 is equipped with silencer,
To reduce noise when exhaust.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. one kind is used for rail vehicle to be air-dried purification device, including the first drying tower and the second drying tower arranged side by side, institute
It states the first drying tower and is successively arranged the first air inlet and the first gas outlet from the bottom to top, second drying tower is from the bottom to top successively
Equipped with the second air inlet and the second gas outlet, air inlet reversal valve is equipped between first air inlet and the second air inlet, it is described
Air inlet reversal valve is equipped with air inlet, and air outlet check valve is equipped between first gas outlet and the second gas outlet, and the outlet stops
It returns valve and is equipped with venthole, which is characterized in that further include:
First moisture detector is set to the air inlet position, for detecting the humidity of air inlet；
Second moisture detector is set at the venthole, for detecting the humidity of outlet；
Electric controller is electrically connected with the air inlet reversal valve and the first moisture detector, the second moisture detector respectively, is used for root
When controlling the conversion of the air inlet reversal valve according to the air humidity that first moisture detector and the second moisture detector detect
Between.
2. used for rail vehicle purification device is air-dried according to claim 1, which is characterized in that first drying tower
Bottom be equipped with the first discharge outlet, the bottom of second drying tower is equipped with the second discharge outlet；Further include:
Heating element, the heating element are connect with first discharge outlet and the second discharge outlet respectively；
Ambient temperature sensor is electrically connected with the electric controller with the heating element, and the electric controller is used for according to detection
Environment temperature whether reach set temperature and control heating element opening and closing.
3. used for rail vehicle purification device is air-dried according to claim 2, which is characterized in that first discharge outlet
The first drain valve of place's connection, connects the second drain valve at second discharge outlet, the heating element respectively with the first row
Water valve is connect with second drain valve, and first drain valve is electrically connected with the electric controller with the second drain valve.
4. used for rail vehicle purification device is air-dried according to claim 1, which is characterized in that first drying tower
Be successively arranged oil water separator, lower filter screen component, desiccant and upper filter screen component, institute in the second drying tower respectively from the bottom to top
It states lower filter screen component to be set on the oil water separator, the upper filter screen component is respectively arranged on first gas outlet and second
At gas outlet.
5. used for rail vehicle purification device is air-dried according to claim 1, which is characterized in that further include:
Comparator is electrically connected with first moisture detector and the second moisture detector respectively, by ambient humidity and air humidity out
Degree is compared；
Alarm is connect with the comparator.
6. used for rail vehicle purification device is air-dried according to claim 1, which is characterized in that first air inlet
And second be equipped with air inlet connector between air inlet, the air inlet connector be equipped with the air inlet and with first air inlet
First air inlet path of connection and the second air inlet path for be connected to second air inlet, the air inlet reversal valve be set to described in into
On gas connector, for being cut between the air inlet is connected with the first air inlet path or the air inlet is connected with the second air inlet path
It changes.
7. used for rail vehicle purification device is air-dried according to claim 1, which is characterized in that first gas outlet
Outlet connector is equipped between the second gas outlet, the outlet connector is equipped with the first outlet being connected to the first gas outlet
Road and be connected to second gas outlet second go out gas circuit, the air outlet check valve be set to the outlet connector on, be used for
Be connected described first go out gas circuit or second go out gas circuit.
8. used for rail vehicle purification device is air-dried according to claim 7, which is characterized in that the outlet connector
It is additionally provided with connection described first and goes out the connecting hole that gas circuit goes out gas circuit with second.
9. used for rail vehicle purification device is air-dried according to claim 4, which is characterized in that first air inlet
It is connected to the corresponding oil water separator with the second air inlet.
10. used for rail vehicle purification device is air-dried according to claim 3, which is characterized in that first draining
The exit of valve and the second drain valve is equipped with silencer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910554925.3A CN110302635A (en) | 2019-06-25 | 2019-06-25 | It is used for rail vehicle to be air-dried purification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910554925.3A CN110302635A (en) | 2019-06-25 | 2019-06-25 | It is used for rail vehicle to be air-dried purification device |
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| CN110302635A true CN110302635A (en) | 2019-10-08 |
Family
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| CN201910554925.3A Pending CN110302635A (en) | 2019-06-25 | 2019-06-25 | It is used for rail vehicle to be air-dried purification device |
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| CN116617830A (en) * | 2023-06-25 | 2023-08-22 | 北京格瑞拓动力设备有限公司 | Intelligent prediction processing system of air drying and purifying device for vehicle |
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Inventor after: Zhou Gaowei Inventor before: Zhou Gaowei Inventor before: Duan Junjun Inventor before: Xie Jinling Inventor before: Li Wuyong Inventor before: Liu Jianjun |