CN106124406A - The in situ detection device of flue gas - Google Patents
The in situ detection device of flue gas Download PDFInfo
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- CN106124406A CN106124406A CN201610708492.9A CN201610708492A CN106124406A CN 106124406 A CN106124406 A CN 106124406A CN 201610708492 A CN201610708492 A CN 201610708492A CN 106124406 A CN106124406 A CN 106124406A
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- pipe
- sleeve pipe
- flue
- flue gas
- gas
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- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to gas detection technology field, specifically disclose the in situ detection device of a kind of flue gas, it is characterized in that: include crossing the sleeve pipe that the both sides tube wall of flue is arranged, sleeve pipe is positioned on the pipe shaft of flue symmetry and offers the opening that through tube wall flows through for flue gas, the end of sleeve pipe is disposed with optical detection component, it is disposed with reflection at the other end of sleeve pipe or receives the optical device of light source, in sleeve pipe, being disposed with the optical glass entering tube chamber for detecting light transmission and obstruct flue gas from opening part.Compared with prior art, the both sides tube wall that the present invention uses sleeve pipe to cross flue is arranged, for such sleeve pipe straight for centrage, it can guarantee that and is positioned at the optical detection component at its two ends and optical device can realize popping one's head in the calibration of light path well, and then guarantees the reliability of testing result.Present configuration is simple, easy for installation.
Description
Technical field
The present invention relates to field of gas detection, be specifically related to the in situ detection device of a kind of flue gas.
Background technology
During metal smelt, need the flue gas in the flue of smelting furnace to be detected, with to smelter
The control of skill provides relevant foundation.In prior art, in flue, flue gas inspection can be divided into in-situ type detection (i.e. directly will examine
Probing head is inserted in flue and is detected) and flue gas outside draw after detect, wherein in-situ type detection equipment mainly include right
Claim to be arranged in the detection probe on the both sides tube wall of flue, be disposed with for detection light saturating in the detection tube chamber of two detection probe
The window lens crossed, so detects by the optical detection component outside flue, is processed by data and sets
Standby carry out operational analysis and can learn smoke components, during optics emission detection light at one of them detection probe, according to
The needs of the aspects such as detection light path, can be the optics arranged and receive optical information at another one detection probe, it is also possible to
It is the optics arranging reflected light information, in order to the optics of emission detection light receives reflected light information.Use in-situ type
The method installing detection probe is possible not only to improve the convenience of flue gas monitoring, seriality and implementation, and structure is simpler
Single.But, the adverse circumstances in flue bring acid test, for dust also to the installation detection equipment using in-situ type
Dense, and under the flue gas environment of fume high-temperature, high humidity, when either installing or normally use, all it is difficult to ensure that the two
The concentricity of detection probe, thus cause light path transmission to there is deviation.As can be seen here, it is ensured that the detection that flue lateral symmetry is arranged
The concentricity of probe, one of this premise of accuracy being to ensure that flue gas inspection.
Summary of the invention
It is an object of the invention to provide the in situ detection device of a kind of simple in construction, flue gas easy to use.
For achieving the above object, the technical solution used in the present invention is: the in situ detection device of a kind of flue gas, and its feature exists
In: including crossing the sleeve pipe that the both sides tube wall of flue is arranged, sleeve pipe is positioned at symmetry on the pipe shaft of flue and offers
The opening that through tube wall flows through for flue gas, the end of sleeve pipe is disposed with optical detection component, cloth at the other end of sleeve pipe
It is equipped with reflection or receives the optical device of light source, being disposed with in sleeve pipe and enter from opening part for detection light transmission and obstruct flue gas
The optical glass of tube chamber.
Use having the beneficial effects that of technique scheme generation: compared with prior art, the present invention uses sleeve pipe to cross
The both sides tube wall of flue is arranged, so for the straight sleeve pipe of centrage, it can guarantee that the optics being positioned at its two ends
Detection part and optical device can realize the calibration of probe light path well, and then guarantee the reliability of testing result.This
Bright simple in construction, easy for installation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the mounting structure figure of the present invention；
Fig. 3,4 it is I portion and the J figure enlarged drawing of Fig. 2 respectively.
Detailed description of the invention
The in situ detection device of a kind of flue gas, as Figure 1-4, it includes that the both sides tube wall crossing flue A is arranged
Sleeve pipe 10, sleeve pipe 10 is positioned on the pipe shaft of flue A and symmetrical offers the opening 11 that through tube wall flows through for flue gas,
The end of sleeve pipe 10 is disposed with optical detection component B, is disposed with reflection or receives the light of light source at the other end of sleeve pipe 10
Equipment, is disposed with the optical glass entering tube chamber for detection light transmission and obstruct flue gas at opening 11 in sleeve pipe 10.With existing
Having technology to compare, the both sides tube wall that the present invention uses sleeve pipe 10 to cross flue A is arranged, so for set that centrage is straight
For pipe 10, it can guarantee that and is positioned at the optical detection component B at its two ends and optical device can realize light path of popping one's head in well
Calibration is to realize light path coaxial, and then guarantees the reliability of testing result.Concrete, need according to actual needs at the one of sleeve pipe
End is arranged reflection or receives the optical device of light source, and fully known how these equipment those skilled in the art according to Conventional wisdom
Arrange, therefore the optical device in accompanying drawing arranged the end needs of sleeve pipe 10 is not shown.It addition, by the cloth of optical glass
Put, so can ensure that the form cleanliness factor at detection probe end (that is sleeve pipe two ends), and then guarantee the reliable inspection of smoke components
Survey.
Concrete scheme is, as Figure 1-4, the two ends tube chamber of sleeve pipe 10 be inserted with respectively first, second detection pipe 20,
30, and first, second detection pipe 20,30 and the same core of sleeve pipe 10, optical detection component B is arranged in the first detection pipe 20 and is positioned at flue gas
At pipe end outside pipeline A, reflect or receive the optical device of light source and be arranged in the second detection pipe 30 and be positioned at outside flue A
Pipe end at, first detection pipe 20 two ends tube chamber in the most tilting have for detection light transmission first, second eyeglass 21,22.
In sleeve pipe 10, individually arrange that first, second detection pipe 20,30, so support and effect of contraction by sleeve pipe 10 can ensure
The concentricity of first, second detection pipe 20,30, and then ensure light path coaxial, the most again in first, second detection pipe 20,30
According to the corresponding parts such as optical glass of arranging, very convenient.It addition, first, second eyeglass 21,22 to be arranged in
The two ends tube chamber of one detection pipe 20, such second eyeglass 22 is positioned at flue B, and it is identical with the flue-gas temperature in pipeline,
Such that it is able to prevent the phenomenon of condensation vapor from occurring, can be in vacuum shape or sealing between other first, second eyeglass 21,22
Shape, although so that first eyeglass 21 of close optical detection component B is in the colder environment outside flue B, its minute surface
Cleannes can also be guaranteed, meanwhile, first, second eyeglass 21,22 is tilting can be prevented effectively from light in tube chamber
The interference of reflection, and then guarantee the accuracy that gas concentration detects.
As further preferred version: as Figure 1-4, sleeve pipe 10 is positioned at the tube chamber at opening 11 two ends and is respectively arranged
Having first, second slide 40,40a to enter at opening 11 in tube chamber to intercept flue gas, described sleeve pipe 10 is made up of inside and outside two-layer
Folder chamber between sandwich, and the internal layer 10a of sleeve pipe 10, outer layer 10b constitutes gassing pipe 12, internal layer 10a, outer layer 10b position
The gap that cutting is formed at opening 11 is provided with sealing plate 17 and flows out with the gas intercepting in gassing pipe 12, gassing pipe 12
Air inlet 13 be positioned at the outside of flue A, the gas outlet 14 of gassing pipe 12 near first, second slide 40,40a, and
The gas curtain that gassing pipe 12 blows out from gas outlet 14 by first, second slide 40, to be purged of 40a with in flue A
Flue gas is separated.By the layout of gassing pipe 12, when so supplying gas in gassing pipe 12, can make to blow out from gas outlet 14
Gas curtain can by first, second slide 40, to be purged of 40a separate with the flue gas in flue A, say, that with
The region of first, second slide 40, the place, front end of to be purged of 40a is purged, so can effectively prevent flue gas
In dust and vapor deposition, condense in first, second slide 40, to be purged of 40a, that is first, second slide 40,
40a is directly facing the face, place of flue gas, and then ensures that detection light can accurately and reliably pass through first, second slide 40,40a.
It should be noted that by the layout of sealing plate 17, be to prevent gas between the internal layer 10a of opening part, outer layer 10b
Gap is flowed out, the most as shown in Figures 3 and 4.
Further, as Figure 1-4, sleeve pipe 10 is positioned at the tube chamber at opening 11 two ends and is respectively disposed with first,
Two dividing plates 15,15a, first, second dividing plate 15, the plate face of 15a be perpendicular to the pipe range of sleeve pipe 10, and first, second dividing plate 15,
15a lays respectively at first, second slide 40, the front end of to be purged of 40a, and first, second dividing plate 15, the middle part of 15a are offered
There is the opening passed for detection light.By the layout of dividing plate, so so that under passageway effect between slide and dividing plate,
The direction of purging air-flow is parallel to the direction that flows up of flue gas, and be between flue gas and slide constituting purging gas curtain or
Person says it is air curtain, the most both can ensure that first, second slide 40, the cleannes of to be purged of 40a, can effectively control again simultaneously
The scope of gas flow purging processed, thus avoid purging air-flow and the flowing of flue gas is disturbed, it is ensured that the stability of optic path.
As Figure 1-4, the sleeve pipe 10 internal layer 10a sidewall between the first slide 40 and the first dividing plate 15 is offered with
The first gas outlet 14a that gassing pipe 12 communicates, the sidewall of sleeve pipe 20 offers the first row of through inside and outside layer 10a, 10b
QI KOU 16a, and the gas curtain that first row QI KOU 16a and the first gas outlet 14a upper and lower corresponding layout composition vertically purge, this gas curtain
Separated with flue gas by be purged of the first slide 40；Sleeve pipe 10 is between the second slide 40a and second partition 15a
Offer the second gas outlet 14b communicated with gassing pipe 12 on internal layer 10a sidewall, the sidewall of sleeve pipe 20 offers through in,
Second exhaust port 16b of outer layer 10a, 10b, and second exhaust port 16b and the second gas outlet 14b upper and lower corresponding arrange constitute perpendicular
The gas curtain that blow-through is swept, this gas curtain is separated with flue gas by be purged of the second slide 40a.Cloth by above concrete structure
Putting, can make the cleaning gas curtain in region between to be purged and flue gas of purging slide is from bottom to top to flow to air vent from gas outlet
Dynamic, and the purging direction of this gas curtain is parallel with the flow of flue gas direction in flue A and is spaced, such gas flow purging will not be right
The flowing of flue gas interferes, and then ensures the accuracy of flue gas inspection.
As Figure 1-4, first, second gas outlet 14a, 14b on described sleeve pipe 10 and first, second air vent
16a, 16b are bar hole, and each bar hole is all to offer along the circumference of sleeve pipe 10.Concrete between air vent and gas outlet
Relation can also refer to the patent of invention of entitled " detection probe of flue gas " that applicant submits on the same day, gas outlet and air vent formula
Circumference along sleeve pipe 10 forms bar hole, so can form gas curtain and limit, it is ensured that the air-flow of blowout is mainly from air vent
Discharge, and the gas flow through from the intermediate openings of dividing plate is little.
Concrete, as in Figure 2-4, the two ends of the described sleeve pipe 10 the most sheathed outside installation pipe 50 that is fixed with, installation pipe 50
The pipe shaft of one end mouth of pipe and sleeve pipe 10 or the end of detection pipe fix by Flange joint, the other end position of installation pipe 50
In flue A, the hole wall installing the installing hole offered in the pipe shaft of pipe 50 and the opposing sidewalls of flue A constitutes sealing
Coordinate.By installation pipe 50 detection probe is arranged on flue A, install reliable, it addition, for ensureing mounting structure
Stable, all it is disposed with heat insulating mattress at the flange binding face of each Flange joint, as shown in Figure 1.
Claims (8)
1. the in situ detection device of a flue gas, it is characterised in that: include crossing the set that the both sides tube wall of flue (A) is arranged
Pipe (10), sleeve pipe (10) is positioned on the pipe shaft of flue (A) symmetry and offers the opening that through tube wall flows through for flue gas
(11), the end of sleeve pipe (10) is disposed with optical detection component (B), is disposed with reflection or connects at the other end of sleeve pipe (10)
Receive the optical device of light source, be disposed with in sleeve pipe (10) and from opening (11), enter tube chamber for detection light transmission and obstruct flue gas
Optical glass.
The in situ detection device of flue gas the most according to claim 1, it is characterised in that: the two ends tube chamber of sleeve pipe (10) is respectively
It is inserted with first, second detection pipe (20,30), and first, second detection pipe (20,30) and sleeve pipe (10) same to core, optical detection
Parts (B) are arranged in the first detection pipe (20) and are positioned at the pipe end that flue (A) is outside, reflect or receive the optics of light source and set
The standby second detection pipe (30) that is arranged in is positioned at the pipe end that flue (A) is outside, in the two ends tube chamber of the first detection pipe (20)
The most tilting first, second eyeglass (21,22) having for detection light transmission.
The in situ detection device of flue gas the most according to claim 2, it is characterised in that: sleeve pipe (10) is positioned at opening (11) two
It is respectively disposed with first, second slide (40,40a) in the tube chamber of end and enters from opening (11) in tube chamber intercepting flue gas, institute
State sleeve pipe (10) and be made up of the folder chamber structure between sandwich, and the internal layer (10a) of sleeve pipe (10), outer layer (10b) inside and outside two-layer
Becoming gassing pipe (12), internal layer (10a), outer layer (10b) are positioned at the gap of opening (11) place cutting formation and are provided with sealing plate
(17) flow out intercepting gas in gassing pipe (12), air inlet (13) be positioned at the outside of flue (A), gassing pipe
(12) gas outlet (14) is near first, second slide (40,40a), and the gas that gassing pipe (12) blows out from gas outlet (14)
To be purged of first, second slide (40,40a) is separated by curtain with the flue gas in flue (A).
The in situ detection device of flue gas the most according to claim 3, it is characterised in that: sleeve pipe (10) is positioned at opening (11) two
Being respectively disposed with first, second dividing plate (15,15a) in the tube chamber of end, the plate face of first, second dividing plate (15,15a) is perpendicular to set
The pipe range of pipe (10), and first, second dividing plate (15,15a) lays respectively to be purged of first, second slide (40,40a)
Front end, the middle part of first, second dividing plate (15,15a) offers the opening passed for detection light.
The in situ detection device of flue gas the most according to claim 4, it is characterised in that: sleeve pipe (10) is positioned at the first slide
(40) offer, with on internal layer (10a) sidewall between the first dividing plate (15), the first gas outlet communicated with gassing pipe (12)
(14a), the sidewall of sleeve pipe (20) offers the first row QI KOU (16a) of through inside and outside layer (10a, 10b), and first exhaust
Mouth (16a) and the first gas outlet (14a) upper and lower corresponding arrange the gas curtain constituting vertically purging, and this gas curtain is by the first slide (40)
To be purged separated with flue gas.
6. according to the in situ detection device of the flue gas described in claim 4 or 5, it is characterised in that: sleeve pipe (10) is positioned at the second glass
Offer, on internal layer (10a) sidewall between sheet (40a) with second partition (15a), the second gas outlet communicated with gassing pipe (12)
(14b), the sidewall of sleeve pipe (20) offers the second exhaust port (16b) of through inside and outside layer (10a, 10b), and second exhaust
Mouth (16b) and the second gas outlet (14b) upper and lower corresponding arrange the gas curtain constituting vertically purging, and this gas curtain is by the second slide (40a)
To be purged separated with flue gas.
7. according to the in situ detection device of the flue gas described in claim 4 or 5, it is characterised in that: on described sleeve pipe (10)
One, the second gas outlet (14a, 14b) and first, second air vent (16a, 16b) are bar hole, and each bar hole is all edge
The circumference sleeve pipe (10) is offered.
The in situ detection device of flue gas the most according to claim 7, it is characterised in that: outside the two ends of described sleeve pipe (10)
The most sheathed end being fixed with installation pipe (50), one end mouth of pipe of installation pipe (50) and the pipe shaft of sleeve pipe (10) or detection pipe leads to
Crossing Flange joint to fix, the other end installing pipe (50) is positioned at flue (A), installs pipe shaft and the fume pipe of pipe (50)
The hole wall of the installing hole offered in the opposing sidewalls in road (A) constitutes sealing and coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610708492.9A CN106124406B (en) | 2016-08-23 | 2016-08-23 | In-situ detection device for flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610708492.9A CN106124406B (en) | 2016-08-23 | 2016-08-23 | In-situ detection device for flue gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106124406A true CN106124406A (en) | 2016-11-16 |
| CN106124406B CN106124406B (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610708492.9A Active CN106124406B (en) | 2016-08-23 | 2016-08-23 | In-situ detection device for flue gas |
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| Country | Link |
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| CN (1) | CN106124406B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551097A (en) * | 2021-06-04 | 2021-10-26 | 清华大学 | In-situ cross-penetration tubular pretreatment device based on gas streaming |
| CN116223135A (en) * | 2023-05-05 | 2023-06-06 | 南京科力赛克安全设备有限公司 | Integrated sampling equipment convenient to operate and sampling method thereof |
| US12233641B2 (en) | 2008-12-25 | 2025-02-25 | Brother Kogyo Kabushiki Kaisha | Tape cassette |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US12233641B2 (en) | 2008-12-25 | 2025-02-25 | Brother Kogyo Kabushiki Kaisha | Tape cassette |
| CN113551097A (en) * | 2021-06-04 | 2021-10-26 | 清华大学 | In-situ cross-penetration tubular pretreatment device based on gas streaming |
| CN116223135A (en) * | 2023-05-05 | 2023-06-06 | 南京科力赛克安全设备有限公司 | Integrated sampling equipment convenient to operate and sampling method thereof |
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| Publication number | Publication date |
|---|---|
| CN106124406B (en) | 2020-01-03 |
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Address after: 230000 No. 228, Wanshui Road, high tech Zone, Hefei, Anhui Patentee after: Hefei Jinxing Intelligent Control Technology Co.,Ltd. Address before: High tech Zone Hefei city Anhui province 230088 Tianzhi Road No. 23 Patentee before: HEFEI GOLD STAR MECHATRONICS TECHNICAL DEVELOPMENT Co.,Ltd. |