CN209327064U - High temperature and humidity gas sampling assembly - Google Patents
High temperature and humidity gas sampling assembly Download PDFInfo
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- CN209327064U CN209327064U CN201920654133.9U CN201920654133U CN209327064U CN 209327064 U CN209327064 U CN 209327064U CN 201920654133 U CN201920654133 U CN 201920654133U CN 209327064 U CN209327064 U CN 209327064U
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- dehumidification
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- high temperature
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Abstract
The utility model relates to technical field of energy saving and environmental protection, more particularly to a kind of high temperature and humidity gas sampling assembly, by using inside and outside bimetallic tube as dehumidification pipe, and pressure gas source is set and passes sequentially through level-one dehumidification device, filter device, second level dehumidification device is connected to be passed through dry gas in the outer tube to dehumidification pipe with the outer tube of dehumidification pipe, dry gas carries out blowback to the high humidity sample gas of the inner tube of dehumidification pipe, to which the high humidity sample gas of the inner tube to dehumidification pipe plays the effect of dehumidifying, and the gas in the sampling apparatus is dehumidified using second level, and it is filtered using active carbon filter and dust filter unit, to improve dehumidification efficiency, reduce VOC and dust content in dry gas, and then protect sampling apparatus, and extend the service life of sampling apparatus.
Description
Technical field
The utility model relates to technical field of energy saving and environmental protection more particularly to a kind of high temperature and humidity gas sampling assemblies.
Background technique
General environment chamber device can only simulate the environment of ambient temperature and moisture, can not simulate some specific high temperature and humidity rings
Border so that VOC release rule of some materials under high temperature and humidity can not be probed into, and can simulate the environmental chamber of high temperature and humidity
Its sampling of equipment is again relatively difficult；Such as VOC gas sample is generally analyzed with analytical equipments such as gas-chromatographies in laboratory, whether passes through
Tenax pipe or airbag and Su Ma tank mode sample introduction, moisture generation cannot be had by requiring, because of humidity in high temperature and humidity gas
Greatly, hydrone can active constituent in the devices such as preferential and sampler in conjunction with and to make sampler etc. ineffective；This is this field
What technical staff did not expected to see.
Utility model content
In view of the above problems, the utility model discloses a kind of high temperature and humidity gas sampling assemblies, are applied to ring
The sampling of gas in the cabin of border, wherein the sampling apparatus includes: that pressure gas source, level-one dehumidification device, filter device, second level are removed
Wet device, dehumidification pipe and sampler；
The dehumidification pipe be include outer tube and the inner tube that is set in the outer tube, and said inner tube is semipermeable membrane；
The pressure gas source pass sequentially through the level-one dehumidification device, the filter device, the second level dehumidification device with
The outer tube of the dehumidification pipe is connected to, and inner tube one end of the dehumidification pipe is connect with the outlet side of the environmental chamber, the other end with adopt
The connection of sample device.
Above-mentioned high temperature and humidity gas sampling assembly, wherein also connect between the second level dehumidification device and the dehumidification pipe
It is connected to flowmeter.
Above-mentioned high temperature and humidity gas sampling assembly, wherein the pressure gas source include air compressor and with the sky
The air accumulator of air compressor connection.
Above-mentioned high temperature and humidity gas sampling assembly, wherein the level-one dehumidification device and the second level dehumidification device are equal
For cooling driers.
Above-mentioned high temperature and humidity gas sampling assembly, wherein the filter device includes setting gradually according to gas flow
Air filter and dust filter unit.
Above-mentioned high temperature and humidity gas sampling assembly, wherein the air filter is active carbon filter, the dust
Filter is membrane filter.
Above-mentioned utility model is with the following advantages or beneficial effects:
The utility model discloses a kind of high temperature and humidity gas sampling assemblies, by using inside and outside bimetallic tube as dehumidifying
Pipe, and pressure gas source is set passes sequentially through level-one dehumidification device, filter device, second level dehumidification device and be connected to the outer tube of dehumidification pipe
To be passed through dry gas in the outer tube to dehumidification pipe, dry gas carries out blowback to the high humidity sample gas of the inner tube of dehumidification pipe, thus
The effect of dehumidifying is played to the high humidity sample gas of the inner tube of dehumidification pipe, and the gas in the sampling apparatus is dehumidified using second level, and is adopted
It is filtered with active carbon filter and dust filter unit, to improve dehumidification efficiency, reduces VOC and dust in dry gas and contain
Amount, and then sampling apparatus is protected, and extend the service life of sampling apparatus.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the utility model and its spy
Sign, shape and advantage will become more apparent.Identical label indicates identical part in all the attached drawings.It can be by
Attached drawing is drawn according to ratio, it is preferred that emphasis is the purport of the utility model is shown.
Fig. 1 is the structure principle chart of the utility model embodiment high temperature high humidity gas sampling apparatus.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing, but it is practical not as this
Novel restriction.
As shown in Figure 1, the present embodiment is related to a kind of high temperature and humidity gas sampling assembly, adopted applied to gas in environmental chamber
Sample, specifically, the sampling apparatus include: pressure gas source, level-one dehumidification device, filter device, second level dehumidification device, dehumidification pipe and
Sampler；The dehumidification pipe (such as Nafion pipe) includes outer tube and the inner tube that is set in outer tube, and the inner tube is semipermeable membrane
(specifically, the inner tube is reverse osmosis membrane)；The pressure gas source passes sequentially through level-one dehumidification device, filter device, second level dehumidifying dress
It sets and is connected to the outer tube of dehumidification pipe, the outlet side of inner tube one end of the dehumidification pipe and environmental chamber connects, the other end and sampler
Sampling end connection, wherein be also connected with flowmeter between the second level dehumidification device and dehumidification pipe so that into the outer of dehumidification pipe
The dry gas of pipe can be with constant flow；So as to use the dry gas of constant flow to the high temperature and humidity sample gas of the inner tube of dehumidification pipe
Blowback is carried out, the hydrone in sample gas is under the action of barometric gradient difference, from the inner tube of dehumidification pipe to exosmosis to high humidity sample
Gas plays the effect of dehumidifying, and the gas in the sampling apparatus (is removed by level-one dehumidification device and second level using second level dehumidifying
Wet device), to improve dehumidification efficiency；And active carbon filter is used between level-one dehumidification device and second level dehumidification device
It is filtered with dust filter unit, to reduce VOC and dust content in dry gas, and then protects follow up device, and extend
Service life of sampling apparatus.
In the embodiments of the present invention, above-mentioned pressure gas source includes air compressor and connect with air compressor
Air accumulator, certainly, the pressure gas source may be other gas sources with pressure, this has no influence to the utility model.
In the embodiments of the present invention, above-mentioned level-one dehumidification device and second level dehumidification device are cooling driers, and should
Second level dehumidification device is absorption type cooling driers, to improve the dehumidification efficiency of gas.
In the embodiments of the present invention, above-mentioned filter device includes the air filtration set gradually according to gas flow
Device and dust filter unit, and the air filter is active carbon filter, dust filter unit is membrane filter, to be effectively reduced
The content of VOC and dust in gas protect follow up device, and then effectively extend the service life of sampling apparatus.
It should be appreciated by those skilled in the art that those skilled in the art are combining the prior art and above-described embodiment can be with
Realize change case, this will not be repeated here.Such change case has no effect on the substantive content of the utility model, not superfluous herein
It states.
The preferred embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, devices and structures not described in detail herein should be understood as with the common side in this field
Formula is practiced；Anyone skilled in the art all may be used in the case where not departing from technical solutions of the utility model ambit
Many possible changes and modifications are made to technical solutions of the utility model using the methods and technical content of the disclosure above, or are repaired
It is changed to the equivalent embodiment of equivalent variations, this has no effect on the substantive content of the utility model.Therefore, all practical without departing from this
The content of new technique scheme, any simple modification made to the above embodiment of foundation the technical essence of the utility model, etc.
With variation and modification, still fall within technical solutions of the utility model protection in the range of.
Claims (6)
1. a kind of high temperature and humidity gas sampling assembly, the sampling applied to gas in environmental chamber, which is characterized in that the sampling cartridge
Set includes: pressure gas source, level-one dehumidification device, filter device, second level dehumidification device, dehumidification pipe and sampler；
The dehumidification pipe be include outer tube and the inner tube that is set in the outer tube, and said inner tube is semipermeable membrane；
The pressure gas source pass sequentially through the level-one dehumidification device, the filter device, the second level dehumidification device with it is described
The outer tube of dehumidification pipe is connected to, and inner tube one end of the dehumidification pipe is connect with the outlet side of the environmental chamber, the other end and sampler
Connection.
2. high temperature and humidity gas sampling assembly as described in claim 1, which is characterized in that the second level dehumidification device and described
Flowmeter is also connected between dehumidification pipe.
3. high temperature and humidity gas sampling assembly as described in claim 1, which is characterized in that the pressure gas source includes air pressure
Contracting machine and the air accumulator being connect with the air compressor.
4. high temperature and humidity gas sampling assembly as described in claim 1, which is characterized in that the level-one dehumidification device and described
Second level dehumidification device is cooling driers.
5. high temperature and humidity gas sampling assembly as described in claim 1, which is characterized in that the filter device includes according to gas
Body flows to the air filter and dust filter unit set gradually.
6. high temperature and humidity gas sampling assembly as claimed in claim 5, which is characterized in that the air filter is active carbon
Filter, the dust filter unit are membrane filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920654133.9U CN209327064U (en) | 2019-05-08 | 2019-05-08 | High temperature and humidity gas sampling assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920654133.9U CN209327064U (en) | 2019-05-08 | 2019-05-08 | High temperature and humidity gas sampling assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209327064U true CN209327064U (en) | 2019-08-30 |
Family
ID=67733349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920654133.9U Active CN209327064U (en) | 2019-05-08 | 2019-05-08 | High temperature and humidity gas sampling assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209327064U (en) |
-
2019
- 2019-05-08 CN CN201920654133.9U patent/CN209327064U/en active Active
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