CN207248833U - A kind of smoke eliminator applied to oxygen index measurer - Google Patents
A kind of smoke eliminator applied to oxygen index measurer Download PDFInfo
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- CN207248833U CN207248833U CN201721114005.2U CN201721114005U CN207248833U CN 207248833 U CN207248833 U CN 207248833U CN 201721114005 U CN201721114005 U CN 201721114005U CN 207248833 U CN207248833 U CN 207248833U
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- combustion barrel
- babinet
- oxygen index
- air
- ventilating opening
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Abstract
A kind of smoke eliminator applied to oxygen index measurer, including babinet, combustion barrel, purification assembly, combustion barrel is placed in babinet, combustion barrel is internally formed the cavity placed and burnt for sample, babinet is equipped with ventilating opening, purification assembly is connected with ventilating opening, and the flue gas produced in combustion barrel is delivered to purification assembly via ventilating opening, and is emitted into after being purified via purification assembly in air.Purifier provided by the utility model applied to oxygen index measurer, by the way that combustion barrel is placed in babinet, and the ventilating opening connection purification assembly on babinet, so that when carrying out the limiting oxygen index determination of material, the flue gas produced in combustion barrel can be delivered to purification assembly progress purified treatment via the ventilating opening on babinet.So as to while the accuracy of sample limiting oxygen index determination result is effectively ensured, additionally it is possible to effectively prevent the air pollution caused by laboratory and its surrounding environment, it is ensured that the health of experimenter.
Description
Technical field
It the utility model is related to experimental provision technical field, and in particular to a kind of flue gas applied to oxygen index measurer is net
Makeup is put.
Background technology
Oxygen index (OI) is to weigh a critically important referential data of material flame-retarding characteristic.Oxygen index (OI) refers to the material of certain size
(test piece) is fitted into experimental rig, under prescribed conditions, is passed through the mixed gas of oxygen and nitrogen, and test piece is lighted with igniter, surveys
Surely minimum oxygen concentration necessary to keeping sustained combustion (is represented) with percentage.
Currently, experimenter is generally measured the oxygen index (OI) of material using oxygen index measurer, existing oxygen index (OI)
Analyzer is mainly made of combustion barrel, specimen holder, igniter and flowmeter, first loads material test piece in combustion barrel
On specimen holder, then toward the oxygen measured by flowmeter, nitrogen mixture gas is passed through in combustion barrel, then examination is lighted with igniter
Piece, you can be measured the percent by volume that material keeps the required most hypoxemia of sustained combustion.However, during due to material combustion
Easily produce substantial amounts of black smoke and black floccule, simultaneously as air-flow can have an impact combustion efficiency, if therefore not and
When purified treatment is carried out to these black smokes and black floccule, then be easy to cause in the laboratory to the confined space cause it is serious
Air pollution, seriously affects the health of experimenter；In addition, black smoke and black floccule without purified treatment are directly arranged
Put into air, pollution is also easily brought to environment.
Utility model content
In view of the above-mentioned problems in the prior art, the purpose of this utility model is to provide one kind to be applied to oxygen index (OI)
The smoke eliminator of analyzer, so as to scavenging material carry out during limiting oxygen index determination a large amount of black smokes caused by material combustion with
And black floccule.
To achieve the above object, the utility model embodiment provides following technical solution：
The utility model discloses a kind of smoke eliminator applied to oxygen index measurer, including
Babinet, offers ventilating opening on the babinet；
Combustion barrel, the combustion barrel are placed in the babinet, and the combustion barrel is internally formed what is placed and burn for sample
Cavity；And
Purification assembly, the purification assembly are connected with the ventilating opening；
The flue gas produced in the combustion barrel is delivered to the purification assembly via the ventilating opening, and via the purification
It is emitted into after component purification in air.
As an alternative embodiment, in the utility model embodiment, the purification assembly include ventilation duct and
Exhaust fan, one end of the ventilation duct are connected to the ventilating opening, and the exhaust fan includes air inlet and air outlet, the inlet air
Mouth is connected to the other end of the ventilation duct, is both provided with filter screen in the air inlet and the air outlet, the flue gas according to
After filter screen in the secondary filter screen via in the air inlet and the air outlet is filtered, then via air outlet row
Put into air.
As an alternative embodiment, in the utility model embodiment, the purification assembly further includes expansion chamber
And air-introduced machine, the expansion chamber pipeline are connected to the air outlet of the exhaust fan, the air-introduced machine pipeline is connected to the sedimentation
Room, the flue gas is delivered to via the exhaust fan purified in the expansion chamber after, then via the air-introduced machine discharge.
As an alternative embodiment, in the utility model embodiment, the babinet is square box or cylinder
Shape babinet, the ventilating opening are arranged on the top of the babinet.
As an alternative embodiment, in the utility model embodiment, the material of the babinet is glass, polychlorostyrene
Ethene or makrolon.
As an alternative embodiment, in the utility model embodiment, the combustion barrel is placed in the babinet
Bottom, the distance range at top to the top of the babinet of the combustion barrel is 20~50 centimetres.
As an alternative embodiment, in the utility model embodiment, specimen holder, institute are equipped with the combustion barrel
State specimen holder be used for clamp the sample in the combustion barrel.
As an alternative embodiment, in the utility model embodiment, igniter is additionally provided with the combustion barrel,
The igniter is used to light the sample in the combustion barrel.
A kind of smoke eliminator applied to oxygen index measurer provided by the utility model, by the way that combustion barrel is placed in
In babinet, and the ventilating opening connection purification assembly on babinet so that when carrying out the limiting oxygen index determination of material, production in combustion barrel
Raw flue gas can be delivered to purification assembly via the ventilating opening on babinet and carry out purified treatment, so that sample oxygen be effectively ensured
While the accuracy of assessment of indices result, additionally it is possible to effectively prevent the air pollution caused by laboratory and its surrounding environment,
Ensure the health of experimenter.
Brief description of the drawings
Fig. 1 is the structural representation of the disclosed smoke eliminator applied to oxygen index measurer of the utility model embodiment
Figure.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the utility model, term " on ", " under ", "left", "right", "front", "rear", " top ", " bottom ", " interior ", " outer ",
" in ", " vertical ", " level ", " transverse direction ", the orientation of the instruction such as " longitudinal direction " or position relationship be based on orientation shown in the drawings or
Position relationship.These terms are not intended to limit indicated primarily to preferably describe the utility model and embodiment
Device, element or part must have particular orientation, or constructed and operated with particular orientation.
Also, above-mentioned part term is in addition to it can be used to indicate that orientation or position relationship, it is also possible to for representing it
His implication, such as term " on " also be likely used for representing certain relations of dependence or connection relation in some cases.For ability
For the those of ordinary skill of domain, concrete meaning of these terms in the utility model can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected " should be interpreted broadly.It is for example, it may be solid
Fixed connection, is detachably connected, or monolithic construction；Can mechanically connect, or be electrically connected；It can be directly connected, either
It is indirectly connected by intermediary, or is connection internal between two devices, element or parts.For this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In addition, term " first ", " second " etc. are mainly used for distinguishing different devices, element or part (specifically
Species and construction may it is identical may also be different), be not intended to show or imply meaning showing device, element or part
Relative importance and quantity.Unless otherwise indicated, the implication of " multiple " is two or more.
Attached drawing is combined below to be described in detail.
Referring to Fig. 1, a kind of purifier applied to oxygen index measurer that the utility model embodiment provides, including
Babinet 10, combustion barrel 20 and purification assembly, the combustion barrel 20 are placed in the babinet 10, which is internally formed for sample
The cavity of placement and burning (not shown), offers ventilating opening (not shown) on the babinet 10, which is connected to
The ventilating opening so that the combustion barrel 20 in produce exhaust gas can via after the ventilating opening to the purification assembly in the purification
Purified in component, and flue gas will be emitted into air after purging.
It can learn, the purifier that the utility model embodiment provides, which can be applied to oxygen index measurer, (does not scheme
Show), i.e. when sample carries out the measure of oxygen index (OI) using oxygen index measurer, which can be as the oxygen in measure sample
The carrier that the sample burns during index.
It is understood that the purifier of oxygen index measurer provided by the utility model can be used for but be not limited to net
Change black smoke and the floccule of black that plastics, rubber, foam are produced when material is carrying out limiting oxygen index determination.
In the present embodiment, which can be square box or cylindrical box, which is arranged on the babinet 10
Top, the combustion barrel 20 are placed in the bottom of the babinet 10, and the distance at the top of the combustion barrel 20 to the top of the babinet 10
Scope is 20~50cm so that with the purification assembly that ventilating opening pipeline is connected when being purified, can effectively reduce because
Drawing smoke and the influence of the air-flow that is formed to material combustion effect, so as to ensure the oxygen index measurer measurement result
While accuracy, additionally it is possible to purify the flue gas produced in combustion barrel 20.
Preferably, the distance at the top of the combustion barrel 20 to the top of the babinet 10 is 35cm, so as to combustion barrel 20
Inside carry out gas cleaning during, can effectively avoid the air-flow that is formed by drawing smoke from producing material combustion effect
Raw influence.
It is understood that in other embodiments, the distance at top to the top of the babinet 10 of the combustion barrel 20 can
For 20cm, 25cm, 30cm, 40cm, 45cm or 50cm etc..
Further, in order to observing that material combustion shows material in the combustion barrel 20 when carrying out limiting oxygen index determination
As, the babinet 10 using can the material such as glass or polyvinyl chloride or makrolon be made.
In the present embodiment, specimen holder (not shown) is equipped with the combustion barrel 20, which, which is used to clamp, is arranged on burning
Sample in cylinder 20, that is to say, that when carrying out limiting oxygen index determination, which is that the specimen holder being clamped in combustion barrel 20 is enterprising
Row burning.
Preferably, which is arranged at the bottom centre of the combustion barrel 20, so that when carrying out limiting oxygen index determination, can
Ensure that center of the sample in the combustion barrel 20 is sufficiently burnt, and then ensure the accuracy of Specimen Determination result.
In the present embodiment, igniter (not shown) is additionally provided with the combustion barrel 20, which, which is used to light to be arranged on, is somebody's turn to do
Sample in combustion barrel 20, that is to say, that when carrying out limiting oxygen index determination, can by by the sample holder in combustion barrel 20
On specimen holder, then initial igniter lights the sample that hold on specimen holder.
Preferably, which be inserted into combustion barrel 20 and sprayed for 2~4mm by control handle and an end diameter
Go out flame and formed with lighting the combustion tube of sample, and the combustion tube can relation control handle up and down stretching motion, so as to light
The sample of different height position in combustion barrel 20.Specifically, the top of the combustion barrel 20 is equipped with through hole (not shown), the point
The combustion tube of firearm can be inserted into combustion barrel 20 from the through hole, and the control handle will be limited in the top of the combustion barrel 20, when
Sample holder starts control handle, flame can be from combustion on specimen holder and toward after being passed through aerobic nitrogen mixture gas in combustion barrel 20
The end for burning pipe sprays, so as to light the sample on specimen holder.In addition, when sample is set close to the top through hole of combustion barrel 20
When, which can shrink to shorten the length of the combustion tube with respect to the control handle, so as to avoid combustion tube from encountering sample and break
Bad sample, and then influence the accuracy of measurement result；And when sample puts the bottom of combustion barrel 20, which can be with respect to the control
Handle elongation processed is to increase the length of the combustion tube, so that it is guaranteed that the sample that hold on the specimen holder can be lighted.
In the present embodiment, which includes ventilation duct 31 and exhaust fan 32, and one end of the ventilation duct 31 is connected to
The ventilating opening, the exhaust fan 32 include air inlet 321 and air outlet 322, which is connected to the another of the ventilation duct 31
End, is both provided with filter screen (not shown) in the air inlet 321 and the air outlet 322, the flue gas produced in the combustion barrel 20 according to
After filter screen in secondary filter screen and the air outlet 322 via in the air inlet 321 is filtered, then via the air outlet
322 are emitted into air.
, can be effectively into air inlet by the way of filter screen is set at the same time in air inlet 321 and air outlet 322
Flue gas in 321 and in air outlet 322 is tentatively filtered, and so as to effectively filter out the large granular impurity in flue gas, is kept away
Exempt from large granular impurity to remain in air inlet 321 and air outlet 322 and cause to block air inlet 321 and air outlet 322.
Further, which further includes expansion chamber 33 and air-introduced machine 34, which is connected to the pumping
The air outlet 322 of wind turbine 32,34 pipeline of air-introduced machine are connected to the expansion chamber 33, which is delivered to this via the exhaust fan 32
After being purified in expansion chamber 33, then discharge via the air-introduced machine 34.
In this way, expansion chamber 33 can be efficiently used the precipitable impurity in flue gas is subjected to precipitation removing, from
And reach the filter effect to flue gas.
During concrete operations, oxygen-nitrogen mixture body is passed through into the combustion barrel 20 first, then again in 20 internal combustion of combustion barrel
Burn the sample.When sample, which burns, produces flue gas, the direction of motion of flue gas is as shown in Fig. 1 directions of arrow, due to air-introduced machine 34
Effect, the interior flue gas produced of the combustion barrel 20 will enter in ventilation duct 31 via the ventilating opening on the babinet 10, the ventilation duct 31
The flue gas is delivered in exhaust fan 32, via the filter screen in the air inlet 321 and air outlet 322 of the exhaust fan 32 to the cigarette
Gas carries out first time dedusting, to remove the impurity of bulky grain.Flue gas after first time dedusting subsequently enter in expansion chamber 33 into
Second of dedusting of row (removes the black floccule that is mingled with or precipitable impurity in flue gas), finally again by purified flue gas from
Discharged in air-introduced machine 34.
A kind of smoke eliminator applied to oxygen index measurer that the utility model embodiment provides, by exhausting
The flue gas preliminary purification for setting filter screen to be produced in combustion barrel in the air inlet and air outlet of machine, then expansion chamber is set to the cigarette
Gas further purifies, so as to preferably remove the black floccule being mingled with the flue gas, effectively prevent to laboratory and
Air pollution caused by its surrounding environment.Meanwhile flue gas in combustion barrel is when carrying out purified treatment, is first to set combustion barrel
Put in babinet, purification assembly pipeline is then connected to babinet again, purification assembly can be avoided to exist using such set-up mode
When carrying out gas cleaning, influence that the air-flow that is formed due to drawing smoke produces material combustion effect ensures that this
The accuracy of oxygen index measurer measurement result.
Embodiments described above, does not form and the technical solution protection domain is limited.It is any in above-mentioned embodiment party
Modifications, equivalent substitutions and improvements made within the spirit and principle of formula etc., should be included in the protection domain of the technical solution
Within.
Claims (8)
- A kind of 1. smoke eliminator applied to oxygen index measurer, it is characterised in that includingBabinet, offers ventilating opening on the babinet；Combustion barrel, the combustion barrel are placed in the babinet, and the combustion barrel is internally formed the cavity placed and burnt for sample； AndPurification assembly, the purification assembly are connected with the ventilating opening；The flue gas produced in the combustion barrel is delivered to the purification assembly via the ventilating opening, and via the purification assembly It is emitted into after purification in air.
- 2. the smoke eliminator according to claim 1 applied to oxygen index measurer, it is characterised in that the purification Component includes ventilation duct and exhaust fan, and one end of the ventilation duct is connected to the ventilating opening, and the exhaust fan includes air inlet And air outlet, the air inlet are connected to the other end of the ventilation duct, are both provided with the air inlet and the air outlet Filter screen, after the flue gas is filtered via the filter screen in the air inlet and the filter screen in the air outlet successively, It is emitted into again via the air outlet in air.
- 3. the smoke eliminator according to claim 2 applied to oxygen index measurer, it is characterised in that the purification Component further includes expansion chamber and air-introduced machine, and the expansion chamber pipeline is connected to the air outlet of the exhaust fan, the air-introduced machine pipe Road is connected to the expansion chamber, the flue gas is delivered to via the exhaust fan purified in the expansion chamber after, then via The air-introduced machine discharge.
- 4. the smoke eliminator according to claim 1 applied to oxygen index measurer, it is characterised in that the babinet For square box or cylindrical box, the ventilating opening is arranged on the top of the babinet.
- 5. the smoke eliminator according to claim 4 applied to oxygen index measurer, it is characterised in that the babinet Material be glass, polyvinyl chloride or makrolon.
- 6. the smoke eliminator according to any one of claims 1 to 5 applied to oxygen index measurer, its feature exists In the combustion barrel is placed in the bottom of the babinet, and the distance range at top to the top of the babinet of the combustion barrel is 20~50 centimetres.
- 7. the smoke eliminator according to claim 1 applied to oxygen index measurer, it is characterised in that the burning Specimen holder is equipped with cylinder, the specimen holder is used to clamp the sample being arranged in the combustion barrel.
- 8. the smoke eliminator applied to oxygen index measurer according to claim 1 or 7, it is characterised in that described Igniter is additionally provided with combustion barrel, the igniter is used to light the sample in the combustion barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114005.2U CN207248833U (en) | 2017-08-31 | 2017-08-31 | A kind of smoke eliminator applied to oxygen index measurer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114005.2U CN207248833U (en) | 2017-08-31 | 2017-08-31 | A kind of smoke eliminator applied to oxygen index measurer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207248833U true CN207248833U (en) | 2018-04-17 |
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ID=61884272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721114005.2U Active CN207248833U (en) | 2017-08-31 | 2017-08-31 | A kind of smoke eliminator applied to oxygen index measurer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207248833U (en) |
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2017
- 2017-08-31 CN CN201721114005.2U patent/CN207248833U/en active Active
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