CN108020543A - Dynamic psychrometric indicator - Google Patents
Dynamic psychrometric indicator Download PDFInfo
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- CN108020543A CN108020543A CN201711395221.3A CN201711395221A CN108020543A CN 108020543 A CN108020543 A CN 108020543A CN 201711395221 A CN201711395221 A CN 201711395221A CN 108020543 A CN108020543 A CN 108020543A
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- Prior art keywords
- silica gel
- compressed air
- tube body
- connector
- indicator
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000000741 silica gel Substances 0.000 claims abstract description 64
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 64
- 238000002845 discoloration Methods 0.000 claims abstract description 41
- 238000011084 recovery Methods 0.000 claims description 20
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000035484 reaction time Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 12
- 230000008929 regeneration Effects 0.000 description 7
- 238000011069 regeneration method Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002932 luster Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000007605 air drying Methods 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000003458 metachromatic effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920002338 polyhydroxyethylmethacrylate Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Drying Of Gases (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses a kind of dynamic psychrometric indicator, transparent tubular body is equipped with the silica gel reservoir for placing discoloration silica gel, and two connectors are fixed on the container of tested compressed air, and connector is equipped with gas passage, and gas passage is communicated with silica gel reservoir.Beneficial effects of the present invention are as follows：This wetness display unit silica gel humidity display color change that solves the problems, such as to change colour at present significantly lags, and can be shortened to decades of times the reaction time of color change.In whole detection process, the actual humidity of compressed air can be monitored in real time.Whole detection process is simple, convenient, fast.
Description
Technical field
The present invention relates to a kind of dynamic psychrometric indicator, belong to compressed air application field.
Background technology
Humidity is to represent the physical quantity of air drying degree.Generally use vapour pressure, relative humidity or dew point etc. three is basic
Form is expressed.Many different measurement methods and method are employed due to the difference of expression-form；
The measurement of air humidity and control have an important purposes in many aspects, for example, Climatology, meteorology, medicine,
The fields such as agricultural, forestry, construction industry and Tibetan storage industry always have great significance.With the development of science and technology in manufacturing industry and
Transportation is also growing and indispensable to the demand of drying, clean compressed air, and air humidity is that its is important
Technical indicator is, it is necessary to frequent measurement and control.
The silica gel that changes colour is a kind of drier made of with high activity sorbing material, since its color can be with surrounding
The humidity of air changes and changes, therefore is widely used as a kind of humidity indicator.Past contains cobalt chloride
Blue silica gel is using more, since cobalt chloride is that two class carcinogenic substances are disabled by various countries, is promoted at present without cobalt discoloration silica gel.
Its shape is spherical or irregular shape particle, and appearance is orange-yellow that its main component is silica, and color is with wet
Degree is different and change, is not orange-yellow by the time of tide, gradually become with the increase of itself adsorption moisture it is green, blackish green or its
Its different color (depending on humidity and the kind for the silica gel coloring agent that changes colour), has and is free of cobalt chloride, nontoxic, harmless is excellent
Point.
Discoloration silica gel is widely used in following industry as humidity indicator at present：
1st, it is fabricated to humidity indicator card and is widely used in packaging, storage sector.This is because most electronics member device
The high-end electronics such as part, precision optics, instrument and equipment, which are easily subject to moisture, causes product corrosion, sensitivity decrease very
To causing expendable damage.To avoid product from being subject to the erosion and damage of moisture, most of product can use damp-prrof packing
Combination, protects product in the packing stage of end product and semi-finished product, and humidity indicator card is exactly convenient, economic inspection
Measuring moisture whether controlled area charactert material, when opening hermetic bag, the data that the color display on humidity card is read can be made
For supervision pack in humidity whether the foundation within defined humidity range, meanwhile, can also reflect sealing indirectly
Whether the drier in packaging plays moisture absorption effect.
2nd, directly as humidity indicator, it is placed in the sealing container for needing to keep dry, works as to show in container
Preceding substantially humidity so that user can easily can observe very much whenever and wherever possible.Such as we are the most frequently used in laboratory
Glass desicator：It is exactly a good transparent glass container of bigger leakproofness, and lid is ground, to keep close
Envelope, the top of container can put the article to be dried, be used for loading a kind of " discoloration silica gel " (common drying in laboratory below
Agent), top is used to store by dry material or article.Centre is one block of porous porcelain plate.This drier need not heat
And power supply, " discoloration silica gel " are both drier and humidity indicator herein.If when the color of discoloration silica gel is by drying color
(such as blueness) becomes moist color (such as light red), illustrates that drier loses desiccation, only needs to change into dry
Discoloration silica gel, which can circulate, just to be used.Moist drier should be put into thermostatic drying chamber, at an established temperature into
Row drying, makes its color be changed into blueness from light red.
From operation principle, as humidity indicator, its discoloration is reversible discoloration silica gel, but several is answered above-mentioned
With under occasion, after discoloration silica gel only has by its contact Surface absorption with surrounding air or has distributed enough moisture content, just meeting
There is obvious discoloration, this overall process generally requires a few hours even more than ten hour, and which limits its use scope.
In practical application, the discoloration silica gel or humidity indicating card that have changed colour because of making moist all are to recover drying by drying again
It can just be put back into after color.Both made that the air of surrounding becomes it is relatively dry after, the recovery of discoloration silica gel color is also required to
One considerably long process, so this kind of humidity display mode substantially belongs to static humidity display.
In the science and technology of modernization and production practices, compressed air obtains increasingly extensive application, such as machinery, friendship
The industries such as logical, electronics, mining industry and automation are required for largely cleaning, dry compressed air, and the control of air humidity, check
Demand it is visible everywhere.Although the method for test air humidity is many at present, common such as wet and dry bulb mensuration and thing is utilized
Matter geometrical variations mensuration design various Relative Humidity Measurings instrument, and dewpoint humidity mensuration be comparison accurately and
Reliable method.But these test methods are required for the conditions such as certain instrument, equipment and environment, may be only available for testing
, it is necessary to the occasion more accurately measured under the environment such as room, testboard.In the actual production of compressed air, conveying, drying, purification
And use
Deng during, generally require it is a kind of it is reliable, easily method supervises the actual humidity of compressed air in real time
Alarmed when surveying, is exceeded.Humidity indicator using change colour silica gel as humidity indicator is exactly a kind of simple, cheap side
Method, a kind of structure for the wetness display unit installed at present on railway locomotive is very simple, and shape is similar to the general of display liquid level
Logical oil window, is loaded with discoloration silica gel particle in its semi-enclosed inner cavity, from positive transparent glass window can clearly from
Into inner cavity, the color and luster of discoloration silica gel, can be firmly installed in using the pipe screw thread at the back side and be full of or convey compressed air
Sealing container or pipeline on, discoloration silica gel particle in inner cavity is obtained fully with the compressed air in container or pipeline
Contact, from the glass window of display change colour silica gel color and luster change it may determine that going out the relatively wet of compressed air
Degree.Also a kind of is that the discoloration silica gel being fitted into its inner cavity is substituted with a kind of circular humidity card, is changed according to the color and luster of humidity card
To judge the change of humidity.This kind of wetness display unit and the above-mentioned wetness display unit used in normal air all exist to humidity
The problem of reacting condition quite lags, so not used widely.Current existing wetness display unit, which exists, to be become
Color is slowly and the defects of Regenerated energy force difference.
The content of the invention
Technical problem solved by the invention is for deficiency existing for existing humidity indicator, proposes that a kind of dynamic is wet
Spend indicator, can quickly, reliably, easily the actual humidity of compressed air is monitored in real time.
The technical solution adopted by the present invention is：Dynamic psychrometric indicator, transparent tubular body, which is equipped with, places discoloration silica gel
Silica gel reservoir, tube body is fixed on the container of tested compressed air by two connectors, and connector is equipped with gas passage, gas
Body passage is communicated with silica gel reservoir.
Tube body is fixed on the container of tested compressed air by two connectors through tube body both ends, two connections
Gas passage on body is connected with the air inlet of the recovery passage of the container of tested compressed air and gas outlet respectively, and is regenerated logical
The air inlet in road and gas outlet can exchange.
The connector is fixed on bottom plate by fixing screws, and connector centre bore, tube body are pierced into the both ends of tube body
The tested compressed air of one end connection container or valve on, tube body other end connection flow control valve.
The discoloration silica gel is orange silica gel.
The tube body or fixing body are equipped with several labels, and the color of each label is different, each color
A kind of moisture condition of corresponding discoloration silica gel reflection.
The connector is mounting screw.
Connecting tube equipped with the container or valve for being used to connect tested compressed air outside the connector, the two of tube body
End is equipped with strainer.
The container of the tested compressed air is adsorption compressed air drier or compressed air reservoir or appendix
Road.
The connector is equipped with seal washer with tube body contact position.
The connector is equipped with sealing nut and seal washer with tube body contact position.
The aperture of the gas passage of the connector is the minimum endoporus of recovery passage.Beneficial effects of the present invention are such as
Under：This wetness display unit silica gel humidity display color change that solves the problems, such as to change colour at present significantly lags, can be by color
The reaction time of change shortens to decades of times.In whole detection process, the actual humidity of compressed air can be carried out real-time
Monitoring.Whole detection process is simple, convenient, fast.
Brief description of the drawings
Fig. 1 is the top view of board-like dynamic psychrometric indicator.
Fig. 2 is the sectional view of board-like dynamic psychrometric indicator.
Fig. 3 is that board-like dynamic psychrometric indicator is installed on compressed-air drier and goes forward the schematic diagram of half cycle.
Fig. 4 is the schematic diagram of half cycle after board-like dynamic psychrometric indicator is installed on compressed-air drier.
Fig. 5 is the structure diagram of tubular type dynamic psychrometric indicator.
Fig. 6 is the structure diagram that tubular type dynamic psychrometric indicator is installed on compressed air reservoir.
Marked in figure：1- tube bodies, 2- silica gel reservoirs, 3- connectors, 4- gas passages, 5- discoloration silica gel, 6- is by measured compressed
The container of air, 7- recovery passages, 8- drier, 11- seal washers, 12- sealing nuts, 13- bottom plates, 14- strainers, 31- are tight
Gu screw, 61- adsorption compressed air driers, 62- compressed air reservoirs, 621- flow control valves, 71- recovery passage air inlets
Mouthful, 72- recovery passages gas outlet, half cycle air inlet before A1-, half cycle discharge outlet before A2-, half cycle air inlet after A3-,
Half cycle discharge outlet after A4-, B1- adsorption gas flows, B2- regeneration air streams.
Embodiment
Dynamic psychrometric indicator is further described below in conjunction with the accompanying drawings.
Board-like dynamic psychrometric indicator and pipe can be divided into according to the mounting means of dynamic psychrometric indicator and external structure
Two kinds of formula dynamic indicator, their operation principle and main composition be it is identical, only with the connection of tested gas container
Mode is different.Fig. 1, Fig. 2 show plank frame, suitable for adsorption compressed air drier.Tubular structure is then suitable for straight
Take over for existing static humidity indicator.Refer to as used in the humidity on compressed air reservoir, air delivering pipeline or other devices
Show.
Embodiment one：This dynamic psychrometric indicator, is board-like dynamic psychrometric indicator, and transparent tube body 1 is internally provided with
The silica gel reservoir 2 of discoloration silica gel 5 is placed, tube body 1 is fixed on compressed air by the both ends that two connectors 3 are each passed through tube body 1
On the air outlet check valve body of drier, connector 3 is equipped with gas passage 4, and gas passage 4 is communicated with silica gel reservoir 2.Connector
3 select mounting screw, and mounting screw is provided with through hole i.e. gas passage 4.In order to increase the air-tightness of gas passage, mounting screw with
Seal washer 11 is equipped between tube body 1.The regeneration with adsorption compressed air drier respectively of gas passage 4 on mounting screw
The port connection of passage 7, and the air inlet 71 of recovery passage 7 can be exchanged with recovery passage gas outlet 72.Silica gel 5 change colour as orange
Color silica gel.Tube body 1 or air outlet check valve body are equipped with several labels, and the color of each label is different, each color
A kind of moisture condition of corresponding discoloration silica gel.The color that driver and conductor contrasts discoloration silica gel 5 can rapidly be judged to compress
Whether the working status of air dryer is normal, and makes a response in time.The aperture of the gas passage 4 of connector 3 is logical for regeneration
The pore size of the gas passage 4 of the minimum endoporus in road 7, i.e. connector 3 is the minimum of the passage of regeneration gas in recovery passage 7
Size, the endoporus size of recovery passage 7 is according to the specification of drier and the difference of drier before dynamic psychrometric indicator is installed
It is adjusted to meet the traffic requirement to different regeneration gas.After dynamic psychrometric indicator is installed additional in recovery passage 7,
Then substituted by the size in the aperture of the gas passage 4 of change connector 3.
Since dynamic psychrometric indicator is mounted in the valve body of 61 air outlet check valve of adsorption compressed air drier again
In raw passage 7, by the through hole at mounting screw center, i.e. gas passage 4, allow after having already passed through compressed-air drier processing
Compressed air passes through the passage for filling discoloration silica gel 5, continuous by the direction of the compressed air of gas passage 4, pressure and flow velocity
Ground periodically changes, for compressed air and discoloration silica gel 5 between hydrone provide it is good by adsorption-regeneration-absorption-
Regenerated environment, so the relative humidity of compressed air can rapidly be reflected in the face of discoloration silica gel 5 in dynamic psychrometric indicator
On color changes.When dynamic psychrometric indicator is installed in addition to needing replacing air outlet check valve body, it is not necessary to change original air
Any parts on drier, will not change original various performance parameters.
Adsorption compressed air drier 61 is mainly loaded with drier 8 by two inside, and outside is mounted with inlet, outlet
Valve and the cylinder of discharge outlet composition.Its course of work is divided into front and rear each half cycles, and preceding half cycle is as shown in Figure 3：In first half
Circulation, the moist compressed air with moisture from air compressor machine enter from the air inlet of the cylinder lower part in left side, i.e.,
Gas enters from preceding half cycle air inlet A1, by the drying of the drier 8 in cylinder, is exported from the outlet on cylinder top, at the same time
Wherein there is the compressed air that sub-fraction is dried to enter dynamic psychrometric indicator by the recovery passage air inlet 71 of recovery passage 7
In, the discharge outlet discharge that the moisture of drier moist in cylinder is blowed to bottom is then discharged from recovery passage gas outlet 72, i.e.,
Gas is discharged from preceding half cycle discharge outlet A2.Through such as 90 seconds after a while, the cylinder internal desiccant on the left side reached certain
Saturation degree degree when, by automatic control system, into rear half cycle, rear half cycle is as shown in Figure 4：Band from air compressor machine
The moist compressed air for having moisture is changed to the cylinder for entering the right side from the entrance of the cylinder lower part on the right side, i.e. gas is followed from later half
The air inlet A3 of ring enters, and is exported after drying from the outlet on cylinder top, and the compressed air of same sub-fraction drying is led to
The moisture of drier moist in cylinder is blowed to bottom from discharge outlet row by the cylinder for entering the left side from top for crossing recovery passage 7
Going out, recovery passage air inlet 71 is exchanged with recovery passage gas outlet 72 at this time, i.e., moisture discharges A4 from the discharge outlet of rear half cycle,
The state of half cycle before being then returned to after 90 seconds, so that next round circulation is initially entered, thus can be by dried compression
Air is continually exported from the outlet on top.
Change colour silica gel metachromatic principle：The production method of discoloration silica gel is with Kiselgel A (aperture 2-3nm, than surface 600
㎡/more than g) it is carrier, certain coloring agent is incorporated on the surface of silica gel internal void by certain processing step.Due to
Aperture very little inside Kiselgel A, pore density is very big, reaches hundreds of square metres than surface, is a kind of good transparent absorption
Agent, when the air containing certain vapor is in contact with it, these hydrones will be adsorbed onto the inner surface of silica gel particle hole
On, so as to change the pH value around coloring agent, the color of discoloration Silica Surface is gradually changed, here it is the work of discoloration silica gel
Make principle.
The operation principle of dynamic psychrometric indicator is：Tested compressed air is allowed with certain flow velocity and the pressure in change
Down by one as wetness display unit fill discoloration silica gel 5 the transparent smaller diameter passage and opposing seal, so not only
The hydrone that can accelerate compressed air between the silica gel 5 that changes colour diffuses into one another, reaches equilibrium process, prior empty in compression
Under the occasion of the change of the pressure of gas, pressure differential can be produced between the air inside and around the micropore of discoloration silica gel 5, this will
It is significant to accelerate the flowing of hydrone between them, so as to accelerate 5 color change process of silica gel that changes colour, it is particularly conducive to be in
The discoloration silica gel of dampness by regeneration return to drying regime, its operation principle in fact with adsorption air drier, i.e.,
Passing through absorption, -- the regenerated circulation of regeneration -- absorption -- makes a kind of principle of dynamic equilibrium of holding very approximate.Solves current pressure
The problem of contracting air humidity indicator color change significantly lags., can be by face using this scheme by testing preliminary proof
The reaction time of color change shortens decades of times.
Embodiment two：This dynamic psychrometric indicator is tubular type dynamic psychrometric indicator, tubular type dynamic psychrometric indicator
Structure is as shown in Figure 5：Discoloration silica gel 5 is filled in the silica gel reservoir 2 of transparent tube body 1, the both ends of tube body 1, which are pierced into, is fixed on bottom
In the centre bore of two connectors 3 on plate 13, connector 3 is equipped with gas passage 4, and tube body 1 is fixed by trip bolt 31
On base 13, and by sealing nut 12 and seal washer 11 internal gas passage is completely enclosed with outside.Two
The outside of a identical and symmetrical connector 3 is equipped with screw thread and is used for being connected with the container or valve of tested compressed gas, thoroughly
The strainer 14 at bright 1 both ends of tube body is for preventing discoloration silica gel 5 from flowing out.Bottom plate 13 is used to link into an integrated entity each part, and
Dynamic psychrometric indicator can be fixed on some position using it.
Fig. 6 is the structure diagram that it is connected on compressed air reservoir：The one of the dynamic psychrometric indicator of tubular structure
End connects compressed air reservoir 62 or pipeline to be measured, and the other end connects a flow control valve 621.When flow control valve 621
When in off position, dynamic psychrometric indicator is just fully equivalent to a common static humidity indicator, the gas in container
When body humidity changes, the change of the discoloration silica gel in indicator will very slowly and lag.If necessary to know gas as early as possible
During the actual conditions of humidity change, the valve port of flow control valve 621 can be opened, the minimum gas in container is passed through tube body 1
Interior discoloration silica gel 5 is slowly vented to air, and after some minutes, the color of discoloration silica gel 5 will reflect gas
The actual conditions of humidity.When in this way, a small amount of compressed air can be consumed when each, so after observation, should
Closed when by flow control valve 621.
Claims (11)
1. dynamic psychrometric indicator, it is characterised in that：Silica gel reservoir of the transparent tubular body equipped with placement discoloration silica gel, two
Tube body is fixed on the container of tested compressed air by connector, and connector is equipped with gas passage, and gas passage is store with silica gel
Room communicates.
2. dynamic psychrometric indicator according to claim 1, it is characterised in that：Two connectors pass through tube body two
End tube body is fixed on the container of tested compressed air, the gas passage on two connectors respectively with tested compressed air
The air inlet of the recovery passage of container is connected with gas outlet, and the air inlet of recovery passage and gas outlet can exchange.
3. dynamic psychrometric indicator according to claim 1, it is characterised in that：The connector is consolidated by fixing screws
It is scheduled on bottom plate, connector centre bore, the container or valve of the tested compressed air of one end connection of tube body are pierced into the both ends of tube body
Men Shang, tube body other end connection flow control valve.
4. dynamic psychrometric indicator according to claim 1, it is characterised in that：The discoloration silica gel is orange silica gel.
5. dynamic psychrometric indicator according to claim 1, it is characterised in that：If the tube body or fixing body are equipped with
Dry label, and the color of each label is different, each color corresponds to a kind of moisture condition of discoloration silica gel reflection.
6. dynamic psychrometric indicator according to claim 2, it is characterised in that：The connector is mounting screw.
7. dynamic psychrometric indicator according to claim 3, it is characterised in that：It is equipped with outside the connector and is used to connect
The container of tested compressed air or the connecting tube of valve are connect, the both ends of tube body are equipped with strainer.
8. dynamic psychrometric indicator according to claim 1, it is characterised in that：The container of the tested compressed air is
Adsorption compressed air drier or compressed air reservoir or air delivering pipeline.
9. dynamic psychrometric indicator according to claim 1 or 2, it is characterised in that：The connector is contacted with tube body
Place is equipped with seal washer.
10. dynamic psychrometric indicator according to claim 3, it is characterised in that：The connector and tube body contact position
Equipped with sealing nut and seal washer.
11. dynamic psychrometric indicator according to claim 2, it is characterised in that：The gas passage of the connector
Aperture is the minimum endoporus of recovery passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395221.3A CN108020543A (en) | 2017-12-21 | 2017-12-21 | Dynamic psychrometric indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395221.3A CN108020543A (en) | 2017-12-21 | 2017-12-21 | Dynamic psychrometric indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108020543A true CN108020543A (en) | 2018-05-11 |
Family
ID=62074366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711395221.3A Pending CN108020543A (en) | 2017-12-21 | 2017-12-21 | Dynamic psychrometric indicator |
Country Status (1)
| Country | Link |
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| CN (1) | CN108020543A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112478196A (en) * | 2020-11-24 | 2021-03-12 | 北京天创凯睿科技有限公司 | Airplane bolt fastening and detecting method |
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