CN207992128U - Semi-volatile organic matter release characteristics test device - Google Patents
Semi-volatile organic matter release characteristics test device Download PDFInfo
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- CN207992128U CN207992128U CN201820492698.7U CN201820492698U CN207992128U CN 207992128 U CN207992128 U CN 207992128U CN 201820492698 U CN201820492698 U CN 201820492698U CN 207992128 U CN207992128 U CN 207992128U
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Abstract
The utility model discloses a kind of semi-volatile organic matter release characteristics test devices, belong to volatilization testing field, semi-volatile organic matter release characteristics test device includes the temperature control system for distributing room and distributing room with heating, temperature control system includes incubator, it is provided with heat preservation box cover on incubator, the heating device of heater incubator is provided in incubator, heating device is connected with control panel, it distributes and is provided with air inlet and gas outlet on room, gas outlet is connected with gas absorption pipe.The utility model can test the common indoor hardware fitting such as semi-volatile organic matter release characteristics, including plank, resin, rubber, coating, wallpaper, plastics, furniture of various samples and article, applied widely；It is that the utility model is distributed sample by way of high temperature pyrolysis suction and be adsorbed on the SVOCs components distributed in chamber interior walls and desorb, it is purged simultaneously with inert gas, the enrichment of SVOCs is carried out by gas absorption pipe again, can accurate test sample SVOCs release characteristics.
Description
Technical field
The utility model is related to testing fields of volatilizing, and particularly relate to a kind of semi-volatile organic matter release characteristics test dress
It sets.
Background technology
With the fast development of China's economy, new building is more and more, and interior decoration amount also constantly increases.And with each
The additives such as kind fire retardant, plasticizer are in the common indoor hardware fitting such as plank, resin, rubber, coating, wallpaper, plastics, furniture
It is phthalate (PAEs) in indoor environment, polycyclic aromatic hydrocarbon (PAH), polybrominated biphenyls (PBB), more with the application in article
The indoor air quality quality problem that the semi-volatile organic matters such as chlordiphenyl (PCB) (SVOCs) are brought becomes increasingly conspicuous, this is related to
The life of the people is comfortable and health.
There are two main classes for the experimental provision of SVOCs release characteristics in existing test indoor material and article：One kind is to continue to use
Detected materials are placed in the climate compartment that inner wall does transpassivation processing by the release characteristics test device of volatile organic matter (VOCs)
In, place the release characteristics test of extraction/enrichment gas composition progress SVOCs therein after the regular hour；Another kind of is base
In distributing cell (FLEC) with relatively large radius and compared with the scene of low height and laboratory, carried out under larger sample load-carry duty
Test, to ignore absorption of the SVOCs on FLEC inner walls.
It is volatile in detection device inner wall and sample surfaces strong adsorption, and not due to SVOCs high stabilities, no matter
During any method actual test can all there are problems that SVOCs can not fully be extracted to enrichment above, test is caused to be tied
Fruit is inaccurate.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of semi-volatile organic matter release characteristics test device,
The SVOCs release characteristics of various samples can accurately be tested.
It is as follows that the utility model provides technical solution：
A kind of semi-volatile organic matter release characteristics test device, including distribute the temperature control system that room is distributed described in room and heating
System, the temperature control system includes incubator, and heat preservation box cover is provided on the incubator, heating is provided in the incubator
The heating device of the incubator, the heating device are connected with control panel, and described distribute is provided with air inlet and outlet on room
Mouthful, the gas outlet is connected with gas absorption pipe.
Further, the room of distributing includes distributing room ontology and distributing chamber cap, and the room ontology that distributes is upper end opening
Shell structure, the chamber cap that distributes covers in the opening for distributing room ontology.
Further, the lower part for distributing room ontology is ellipse, and the air inlet setting is distributed described on chamber cap,
The gas outlet is arranged in the minimum point for distributing room body lower part ellipse.
Further, it is described distribute room ontology and distribute sealing ring is provided between chamber cap, it is described to distribute room ontology and dissipate
Chamber cap is sent out to fasten by bolt or handwheel.
Further, described distribute room ontology, distribute chamber cap and the material of sealing ring be not easy to adsorb half volatile it is organic
Object and the material that 300 DEG C of high temperature can be born.
Further, the material for distributing room ontology and distributing chamber cap is the stainless steel or mirror of inner surface deactivation processing
The material of face stainless steel, the sealing ring is silica gel or polytetrafluoroethylene (PTFE).
Further, described distribute is provided with standard sample injection port on chamber cap, and described distribute is provided with handle on chamber cap.
Further, the semi-volatile organic matter release characteristics test device further includes cooling system, the cooling system
System includes the cooling device being arranged on the gas absorption pipe, and the cooling device is connected with controller, the cooling device
Including cold-trap, semiconductor chilling plate or circulating water pipe.
Further, the gas absorption pipe is connect by outlet passageway with gas outlet.
The utility model has the advantages that：
The utility model can test the semi-volatile organic matter release characteristics of various samples, including plank, resin, rubber
The common indoor hardware fitting such as glue, coating, wallpaper, plastics, furniture and article, it is applied widely；The utility model passes through high temperature
It is that the mode of thermal desorption distributes sample and be adsorbed on the SVOCs components distributed in chamber interior walls and desorb, while using indifferent gas
Body is purged, then the enrichment of SVOCs is carried out by gas absorption pipe, can accurate test sample SVOCs release characteristics.
Description of the drawings
Fig. 1 is the semi-volatile organic matter release characteristics test device schematic diagram of the utility model.
Specific implementation mode
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
The utility model provides a kind of semi-volatile organic matter release characteristics test device, as shown in Figure 1, including distributing room
10 and heating distribute the temperature control system of room 10, temperature control system includes incubator 200, distributes room for holding and the room of distributing is made to be in
At a temperature of setting, it is provided with heat preservation box cover 210 on incubator 200, is used to open or closes incubator, in incubator 200
It is provided with the heating device 240 of heater incubator, for being heated to incubator, heating device can be electric heater etc.,
Heating device 240 is preferably connected with control panel 250, for setting heating parameters etc., the type and structure of heating device and
It can flexibly be selected according to actual needs with the connection relation of control panel etc.；It distributes and is provided with air inlet 140 and outlet on room 10
Mouth 230, gas outlet 230 is connected with gas absorption pipe 180.Room is distributed for placing sample to be tested 160, gas absorption pipe is for inhaling
Attached SVOCs can fill different sorbing materials as needed.
The test method of the utility model is as follows：
1, sample is handled according to requirement of experiment, and records the bare area A of sample.If sample is coating and adhesive class,
Place after must coating in proportion and use after a certain period of time, if sample is plank class, must with aluminium foil or other do not generate the close of SVOCs
It is used after closure material bound edge；
2, laboratory environment parameter is controlled：Temperature, humidity, and recorded；
3, sample sample is placed in distribute in room, it (usually for 24 hours, also can be according to practical feelings by scheduled sample time
Condition is adjusted) after pure air is passed through with certain flow at the air inlet of room distributing, while with gas absorption pipe in outlet
SVOCs existing for enrichment in a gaseous form at mouthful；
4, sample is taken out from the room of distributing, inert gas (such as nitrogen) is passed through 5 minutes with certain flow, displacement distributes interior
Air；
5, continue to be passed through inert gas with certain flow, open simultaneously temperature control system, need that heating is arranged according to experiment
Program makes the temperature for distributing room rise to 200~300 DEG C from room temperature with certain rate, and keep the temperature the regular hour (such as 20~
60min)；
6, temperature control system is closed；
7, SVOCs content measurings are carried out to adsorption tube using thermal desorption-gas chromatography mass spectrograph (TD-GC-MS), obtained
The quality m of SVOCs；
8, the SVOCs release characteristics of sample are calculated according to the bare area of sample and SVOCs release gross masses.
The utility model can test the semi-volatile organic matter release characteristics of various samples, including plank, resin, rubber
The common indoor hardware fitting such as glue, coating, wallpaper, plastics, furniture and article, it is applied widely；The utility model passes through high temperature
It is that the mode of thermal desorption distributes sample and be adsorbed on the SVOCs components distributed in chamber interior walls and desorb, while using indifferent gas
Body is purged, then the enrichment of SVOCs is carried out by gas absorption pipe, can accurate test sample SVOCs release characteristics.
There are many structures for distributing room, is placed and taken out sample for convenience, and it includes distributing room ontology 100 and dissipating to distribute room 10
Chamber cap 110 is sent out, the shell structure that room ontology 100 is upper end opening is distributed, chamber cap 110 is distributed and covers and distributing opening for room ontology 100
At mouthful.
Further, the lower part for distributing room ontology 100 is ellipse, and air inlet 140 is arranged on distributing chamber cap 110, goes out
Gas port 230 is arranged in the minimum point for distributing 100 lower part of room ontology ellipse.The utility model distributes from top and is passed through gas from chamber cap
Body collects gas from bottom, can avoid object gas and is distributing the deposition below room.
It in order to preferably seal, distributes room ontology 100 and distributes and be provided with sealing ring 150 between chamber cap 110, for convenience of detaining
It closes and opens and distribute chamber cap, distribute room ontology 100 with chamber cap 110 is distributed and pass through bolt or handwheel fastening.
Since the utility model needs to use at 200~300 DEG C, room ontology 100 is distributed, chamber cap 110 is distributed and seals
The material of circle 150 is that can bear the material of 300 DEG C of high temperature, also, to reduce the absorption of SVOCs, which also requires to be not easy to inhale
Attached semi-volatile organic matter.
Preferably, it is the stainless steel or mirror of inner surface deactivation processing to distribute room ontology 100 and distribute the material of chamber cap 110
The material of face stainless steel, sealing ring 150 is silica gel or polytetrafluoroethylene (PTFE).
Further, it distributes and is provided with standard sample injection port 120 on chamber cap 110, it is molten by the standard for injecting SVOCs herein
Liquid carries out the recovery testu of the device, tests its rate of recovery.For convenience of assurance, distributes and be provided with handle on chamber cap 110
130。
In order to be cooled down to gas absorption pipe, the utility model further includes cooling system, and cooling system includes that setting exists
Cooling device 190 on gas absorption pipe 180, cooling device 190 are connected with controller 220, for setting cooling parameter etc..
Cooling device can be cold-trap, semiconductor chilling plate or circulating water pipe etc., the type and structure and and controller of cooling device
Connection relation can flexibly select as needed.
Since gas outlet and gas absorption pipe are directly connected to by inconvenience, therefore gas absorption pipe 180 can be passed through outlet
Channel 170 is connect with gas outlet 230, and outlet passageway inner surface must pass through deactivation and handle.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (9)
1. a kind of semi-volatile organic matter release characteristics test device, which is characterized in that distributed described in room and heating including distributing
The temperature control system of room, the temperature control system include incubator, are provided with heat preservation box cover on the incubator, in the incubator
Be provided with the heating device for heating the incubator, the heating device is connected with control panel, it is described distribute be provided on room into
Gas port and gas outlet, the gas outlet are connected with gas absorption pipe.
2. semi-volatile organic matter release characteristics test device according to claim 1, which is characterized in that described to distribute room
Described to distribute the shell structure that room ontology is upper end opening including distributing room ontology and distributing chamber cap, the chamber cap that distributes covers
Distribute the opening of room ontology.
3. semi-volatile organic matter release characteristics test device according to claim 2, which is characterized in that described to distribute room
The lower part of ontology is ellipse, and the air inlet setting is distributed described on chamber cap, and the gas outlet setting is distributing room ontology
The minimum point of lower part ellipse.
4. semi-volatile organic matter release characteristics test device according to claim 2, which is characterized in that described to distribute room
Ontology and distribute and be provided with sealing ring between chamber cap, it is described distribute room ontology and distribute chamber cap pass through bolt or handwheel fastening.
5. semi-volatile organic matter release characteristics test device according to claim 4, which is characterized in that described to distribute room
Ontology, to distribute chamber cap and the material of sealing ring be to be not easy to adsorb semi-volatile organic matter and can bear the material of 300 DEG C of high temperature.
6. semi-volatile organic matter release characteristics test device according to claim 5, which is characterized in that described to distribute room
Ontology and stainless steel or mirror face stainless steel that the material for distributing chamber cap is inner surface deactivation processing, the material of the sealing ring are
Silica gel or polytetrafluoroethylene (PTFE).
7. semi-volatile organic matter release characteristics test device according to claim 2, which is characterized in that described to distribute room
It covers and is provided with standard sample injection port, described distribute is provided with handle on chamber cap.
8. according to any semi-volatile organic matter release characteristics test devices of claim 1-7, which is characterized in that described
Semi-volatile organic matter release characteristics test device further includes cooling system, and the cooling system includes that setting is inhaled in the gas
Cooling device on attached pipe, the cooling device are connected with controller, the cooling device include cold-trap, semiconductor chilling plate or
Circulating water pipe.
9. semi-volatile organic matter release characteristics test device according to claim 8, which is characterized in that the gas is inhaled
Attached pipe is connect by outlet passageway with gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492698.7U CN207992128U (en) | 2018-04-09 | 2018-04-09 | Semi-volatile organic matter release characteristics test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820492698.7U CN207992128U (en) | 2018-04-09 | 2018-04-09 | Semi-volatile organic matter release characteristics test device |
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| CN207992128U true CN207992128U (en) | 2018-10-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443893A (en) * | 2018-11-28 | 2019-03-08 | 佛山科学技术学院 | A kind of photocatalysis treatment volatile organic contaminant equipment for separating liquid from solid |
| CN109806612A (en) * | 2019-03-18 | 2019-05-28 | 杭州阿卡米低温科技有限责任公司 | A kind of mechanical cryotrap based on moving component |
| CN113588873A (en) * | 2021-07-05 | 2021-11-02 | 新乡医学院 | Device and method for measuring natural HBCD release rate in building exterior wall thermal insulation material |
-
2018
- 2018-04-09 CN CN201820492698.7U patent/CN207992128U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443893A (en) * | 2018-11-28 | 2019-03-08 | 佛山科学技术学院 | A kind of photocatalysis treatment volatile organic contaminant equipment for separating liquid from solid |
| CN109806612A (en) * | 2019-03-18 | 2019-05-28 | 杭州阿卡米低温科技有限责任公司 | A kind of mechanical cryotrap based on moving component |
| CN109806612B (en) * | 2019-03-18 | 2021-05-25 | 杭州阿卡米低温科技有限责任公司 | Mechanical type cryotrap based on moving part |
| CN113588873A (en) * | 2021-07-05 | 2021-11-02 | 新乡医学院 | Device and method for measuring natural HBCD release rate in building exterior wall thermal insulation material |
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