CN107219320A - The anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber - Google Patents
The anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber Download PDFInfo
- Publication number
- CN107219320A CN107219320A CN201710588745.8A CN201710588745A CN107219320A CN 107219320 A CN107219320 A CN 107219320A CN 201710588745 A CN201710588745 A CN 201710588745A CN 107219320 A CN107219320 A CN 107219320A
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- Prior art keywords
- combustion chamber
- floss hole
- fire
- knot structure
- blocking
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 100
- 230000002265 prevention Effects 0.000 title claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 70
- 241000628997 Flos Species 0.000 claims abstract description 32
- 238000010276 construction Methods 0.000 claims abstract description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001257 hydrogen Substances 0.000 claims abstract description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 13
- 230000000979 retarding effect Effects 0.000 claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 2
- 239000000567 combustion gas Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003891 environmental analysis Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004186 food analysis Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/64—Electrical detectors
- G01N30/68—Flame ionisation detectors
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention discloses the anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber, including combustion chamber gases entrance, and hydrogen inlet and sample gas entrance are included again；Combustion chamber, includes combustion chamber base and cavity again；Ignition system, includes thermocouple and ignition coil again；And combustion chamber gases floss hole；Also include fire proof construction and anti-blocking fast knot structure.Fire proof construction includes fire proof construction body and fire retarding sheet, and fire retarding sheet is netted ventilation piece, on the main channel of combustion chamber gases floss hole；Anti-blocking fast knot structure includes anti-blocking dead structural body and combustion chamber gases floss hole bypass channel, and combustion chamber gases floss hole bypass channel is to increase N number of through hole in the surrounding side of combustion chamber gases floss hole main channel, and preferably N is derived from 24.The present invention is simple in construction, easy to use, it is ensured that FID combustion chambers, which can fully burn, does not stop working, while also isolation flame is communicated with extraneous, prevents flame from scurrying out combustion chamber, it is to avoid cause the safety problem such as explode on fire.
Description
Technical field
The present invention relates to the hydrogen flameionization used in flame ionization ditector, especially gas chromatographic detection
The anti-blocking fast knot structure of fire prevention in detector combustion chamber.
Background technology
Gas chromatograph is widely applied to oil and Petrochemical Engineering Analysis, environmental analysis, food analysis, medicine and clinic
The fields, wherein flame ionization ditector such as analysis（Abbreviation FID）It is a kind of most common detector of gas chromatograph, its work
Make principle：Using hydrogen and the flame of air burning generation as the energy, when organic compound enters with the fire of hydrogen and oxygen combustion
Flame, produces chemi-ionization at high temperature, and ionization produces ion, ion stream formed in the presence of high voltage electric field, by zooming into
The electric signal being directly proportional for the amount of the organic compound to entering flame, therefore organic matter can be entered according to the size of electric signal
Row quantitative analysis.Fid detector widely should be in oil and Petrochemical Engineering Analysis, the place such as air environmental pollution thing analysis.
But current FID structures combustor exit is all open type, because FID field of employment has inflammable gas leakage
Hidden danger, the burning flare that the inflammable gas of external world's leakage enters FID combustion chambers or combustion chamber scurries out combustion chamber, it is possible to draw
Blast on fire is played, therefore such structure has potential safety hazard under some more severe site environments.
The other general only one of which passage of combustion chamber gases floss hole, if this design cause combustion chamber gases outlet by
If blocking, FID combustion chambers can stop working and can not work.
The content of the invention
In order to solve the above problems, the present invention provides the anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber,
The combustion flame of FID combustion chambers is hedged off from the outer world by its purpose, prevents flame from scurrying out combustion chamber, while by the combustion of FID combustion chambers
Burn gas and be effectively discharged to burning outdoor, it is ensured that combustion chamber, which can fully burn, does not stop working.
The technical scheme adopted by the invention to solve the technical problem is that：
The anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber, including combustion chamber gases entrance, and enter including hydrogen
Mouth and sample gas entrance；Combustion chamber includes combustion chamber base and cavity again；Ignition system, includes thermocouple and ignition lead again
Circle；And combustion chamber gases floss hole；Also include fire proof construction and anti-blocking fast knot structure.
The fire proof construction includes fire proof construction body and fire retarding sheet.
The fire proof construction body is combustion chamber gases floss hole.
The fire retarding sheet is netted ventilation piece, on the main channel of combustion chamber gases floss hole.
This fire proof construction ensures that the flame of combustion chamber is hedged off from the outer world, and prevents flame from scurrying out combustion chamber, it is to avoid in easy combustion gas
Body causes the safety problems such as blast on fire in the case of leaking.
The anti-blocking fast knot structure includes anti-blocking dead structural body and combustion chamber gases floss hole bypass channel.
The anti-blocking dead structural body is combustion chamber gases floss hole.
The combustion chamber gases floss hole bypass channel is to increase N in the surrounding side of combustion chamber gases floss hole main channel
Individual through hole, preferably N are derived from 2-4.
This anti-blocking fast knot structure ensures that By-pass vent mouthful can be by the burning of combustion chamber when combustion chamber main vent is plugged
It is outdoor that gas is effectively discharged to burning so that combustion chamber, which can fully burn, does not stop working.
Present invention has the advantages that
The present invention is simple in construction, easy to use, it is ensured that FID combustion chambers, which can fully burn, does not stop working, while also having completely cut off fire
Flame is communicated with extraneous, prevents flame from scurrying out combustion chamber, it is to avoid to cause the safety problems such as blast on fire.
Brief description of the drawings
Fig. 1 is combustion chamber sectional structure chart of the present invention.
In figure, 1 is hydrogen inlet, and 2 be sample gas entrance, and 3 be combustion chamber base, and 4 be combustion chamber cavity, and 5 be heat
Galvanic couple, 6 be ignition coil, and 7 be fire retarding sheet, and 8 be combustion chamber gases floss hole main channel, and 9 be the bypass of combustion chamber gases floss hole
Passage, 10 be shell, and 11 be signal collection pole.
Embodiment
The present invention is described in further detail with row are implemented below in conjunction with the accompanying drawings.
As shown in figure 1, working as hydrogen from hydrogen inlet（1）Flowing in combustion chamber cavity（4）, sample gas is from sample gas entrance
（2）After flowing in combustion chamber cavity（4）, signal collection pole（11）Signal, thermocouple will be produced（5）And ignition coil（6）Carry out
Igniting, combustion chamber cavity（4）The mixed gas of interior hydrogen and sample gas composition starts burning.Due to hydrogen and sample gas not
Disconnected is filled with combustion chamber cavity（4）, then continuous ignition so that combustion chamber cavity（4）Interior air pressure is higher than ambient pressure,
In the presence of inner and outer air pressure difference, combustion chamber cavity（4）Interior burning gases constantly pass through combustion chamber gases floss hole main channel
（8）Discharge.
The fire proof construction is achieved in that, in combustion chamber gases floss hole main channel（8）Upper increase fire retarding sheet（7）.
Combustion chamber cavity（4）During the mixed gas burning of interior hydrogen and sample gas composition, combustion flame is changeable, the size of flame
There are much relations with the amount and composition proportion of mixed gas.Excessive flame is possible to combustion chamber cavity of scurrying out（4）, pass through burning
Room gas discharge outlet main channel（8）Contacted with external environment, and external environment may have inflammable gas leakage, the flame scurried out with
Extraneous gas leakage contact easily causes the safety problems such as blast on fire.Fire retarding sheet（7）Installed in combustion chamber gases floss hole master
Passage（8）On, from combustion chamber cavity（4）In the flame scurried out can first pass around fire retarding sheet（7）.Fire retarding sheet（7）It is network structure
Ventilation piece, flame passes through fire retarding sheet（7）Netted gap composition many thin channels after will become some tiny fire
Flame, expands the contact area of flame and conduit wall, enhances heat transfer, flame temperature is dropped to below ignition point, so as to prevent
Propagation of flame.Flame is passing through fire retarding sheet（7）After can be obviously reduced in addition extinguish, effectively isolation flame with the external world communicate.Together
When combustion chambers burn gas be easy to from netted gap by and from combustion chamber gases floss hole main channel（8）Discharge, will not be right
The discharge of burning gases produces influence.Therefore combustion chamber has also been completely cut off while this fire proof construction ensure that combustion chamber gases discharge
Cavity（4）Flame contacted with the external world so that ensure that fid detector it is some with the presence of inflammable gas endanger places progress
Trouble free service.
The anti-blocking fast knot structure is achieved in that, in combustion chamber gases floss hole main channel（8）Surrounding side increase
Several through holes, i.e. combustion chamber gases floss hole bypass channel（9）.Sample gas includes organic compound, air and other impurities
Carbon dioxide, carbon monoxide, water, imperfect combustion pollutant, dust granules are generated after such as metal particulate, with combustion of hydrogen
Deng.These combustion gas products are from combustion chamber gases floss hole main channel（8）Discharge, may be attached on 8 combustion gases exhausts mouthful
On main channel mouthful, accumulate over a long period and cause main channel（8）Combustion gases exhaust mouthful main channel is blocked, and burning gases can not pass through master
Passage（8）Combustion gases exhaust mouthful main channel is discharged to the external world, is accumulated in combustion chamber cavity（4）Combustion chamber is inside caused to stop working.In combustion
Burn gas discharge outlet main channel（8）Increase combustion chamber gases floss hole bypass channel（9）, burning gases are in combustion chamber gases discharge
Mouth main channel（8）It is blocked after death, can be from combustion chamber gases floss hole bypass channel（9）Discharged by several through holes, it is ensured that combustion
Combustion chamber cavity can be effectively discharged to by burning the burning gases of room（4）Outside.Therefore this anti-blocking fast knot structure ensure that combustion chamber will not
Because of combustion chamber gases floss hole main channel（8）Block and cause burning gases can not be from combustion chamber cavity（4）Discharge and stop working.
The present invention changes existing FID structures and adds the anti-blocking fast knot structure of fire prevention, improves the field that FID is used, together
When devise the bypass structure of exhaust outlet of combustion chamber, it is ensured that the abundant burning of FID combustion chambers.
Those skilled in the art can carry out various remodeling and change to existing to the present invention.Therefore, present invention covering
The various remodeling fallen into the range of appended claims and its equivalent and change.
Claims (4)
1. the anti-blocking fast knot structure of the fire prevention of flame ionization ditector combustion chamber, including combustion chamber gases entrance, include hydrogen again
Entrance and sample gas entrance；Combustion chamber, includes combustion chamber base and cavity again；Ignition system, includes thermocouple and igniting again
Coil；And combustion chamber gases floss hole；It is characterized in that：Also include fire proof construction and anti-blocking fast knot structure, the fire proof construction bag
Fire proof construction body and fire retarding sheet are included, fire retarding sheet is netted ventilation piece, on the main channel of combustion chamber gases floss hole；
The anti-blocking fast knot structure includes anti-blocking dead structural body and combustion chamber gases floss hole bypass channel, combustion chamber gases floss hole
Bypass channel is to increase N number of through hole in the surrounding side of combustion chamber gases floss hole main channel.
2. according to claim 1, the anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber, it is characterized in that：
It is preferred that N is derived from 2-4.
3. according to claim 1, the anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber, it is characterized in that：
The anti-blocking dead structural body is combustion chamber gases floss hole.
4. according to claim 1, the anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber, it is characterized in that：
The fire proof construction body is combustion chamber gases floss hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588745.8A CN107219320A (en) | 2017-07-19 | 2017-07-19 | The anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588745.8A CN107219320A (en) | 2017-07-19 | 2017-07-19 | The anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107219320A true CN107219320A (en) | 2017-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710588745.8A Pending CN107219320A (en) | 2017-07-19 | 2017-07-19 | The anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107219320A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954651A (en) * | 2018-09-27 | 2020-04-03 | 罗斯蒙特公司 | Self-contained sensor module for hazardous locations |
| CN113376242A (en) * | 2021-06-10 | 2021-09-10 | 王斌 | Hydrocarbon ion detector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1406572A (en) * | 1973-03-29 | 1975-09-17 | Foxboro Co | Flame ionization detector |
| JPH06242096A (en) * | 1993-02-15 | 1994-09-02 | Yokogawa Electric Corp | Process gas chromatograph |
| JP3117308U (en) * | 2005-10-03 | 2006-01-05 | 株式会社島津製作所 | TVOC measuring device |
| CN101975836A (en) * | 2010-08-16 | 2011-02-16 | 聚光科技(杭州)股份有限公司 | FID ignition method and device for chromatographic analysis |
| CN103454308A (en) * | 2013-09-23 | 2013-12-18 | 中国科学技术大学 | Apparatus for testing flame propagation and flame suppression in flammable gas and air premixed gas explosion process |
| CN206945628U (en) * | 2017-07-19 | 2018-01-30 | 上海汉洁环境工程有限公司 | The anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber |
-
2017
- 2017-07-19 CN CN201710588745.8A patent/CN107219320A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1406572A (en) * | 1973-03-29 | 1975-09-17 | Foxboro Co | Flame ionization detector |
| JPH06242096A (en) * | 1993-02-15 | 1994-09-02 | Yokogawa Electric Corp | Process gas chromatograph |
| JP3117308U (en) * | 2005-10-03 | 2006-01-05 | 株式会社島津製作所 | TVOC measuring device |
| CN101975836A (en) * | 2010-08-16 | 2011-02-16 | 聚光科技(杭州)股份有限公司 | FID ignition method and device for chromatographic analysis |
| CN103454308A (en) * | 2013-09-23 | 2013-12-18 | 中国科学技术大学 | Apparatus for testing flame propagation and flame suppression in flammable gas and air premixed gas explosion process |
| CN206945628U (en) * | 2017-07-19 | 2018-01-30 | 上海汉洁环境工程有限公司 | The anti-blocking fast knot structure of fire prevention of flame ionization ditector combustion chamber |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954651A (en) * | 2018-09-27 | 2020-04-03 | 罗斯蒙特公司 | Self-contained sensor module for hazardous locations |
| CN113376242A (en) * | 2021-06-10 | 2021-09-10 | 王斌 | Hydrocarbon ion detector |
| CN113376242B (en) * | 2021-06-10 | 2023-06-20 | 王斌 | Hydrocarbon ion detector |
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