CN203929224U - A kind of flame detection device that is conducive to prevent thermal stress damage - Google Patents
A kind of flame detection device that is conducive to prevent thermal stress damage Download PDFInfo
- Publication number
- CN203929224U CN203929224U CN201420355466.9U CN201420355466U CN203929224U CN 203929224 U CN203929224 U CN 203929224U CN 201420355466 U CN201420355466 U CN 201420355466U CN 203929224 U CN203929224 U CN 203929224U
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- China
- Prior art keywords
- sidewall
- conducive
- thermal stress
- cover plate
- glass
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- 230000008646 thermal stress Effects 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 239000011521 glass Substances 0.000 claims abstract description 32
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 230000002459 sustained effect Effects 0.000 claims abstract description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- -1 and sidewall (1) Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model discloses a kind of flame detection device that is conducive to prevent thermal stress damage, comprise shell and flame detecting assembly, described shell comprises the cover plate that forms the sidewall of casing side, the base plate that forms tank floor and formation casing upper surface, described sidewall is for to roll by corrugated plate the tubular structure forming, and each gauffer on corrugated plate is around the closed ring of the circumferential formation of sidewall, and the different piece on each ring is all positioned on sustained height; On sidewall or cover plate, be also provided with glass; Described flame detecting assembly comprises any one in infrared eye or ultraviolet detector; On sidewall or cover plate, be also provided with at least one and for cable, pass the threading opening of described shell.The utility model is simple in structure, is conducive to prevent connection and the seal failure under larger thermal stress of described shell, the serviceable life that is conducive to flame detecting assembly and precision, is conducive to reliability of the present utility model.
Description
Technical field
The utility model relates to a kind of for supervising the safety monitoring device of flame situation, particularly relates to a kind of flame detection device that is conducive to prevent thermal stress damage.
Background technology
Current chemical plant, refinery, transformer station, industrial stores or even the common places such as diesel generator room as Emergency Power, may there is inflammable gas or dust, because industrial control equipment is numerous, operating mode is complicated, these important events must strictly be monitored unexpected abnormality situations such as naked light, flue dust, electrical short-circuit, blasts, and flame detection device is indispensable safety equipment in above-mentioned zone.
Prior art Flame sniffer is generally to encapsulate infrared eye in aluminium matter or plastic casing, according to the installation site of flame detector, may require detector circuit to completely cut off with external environment, be that aluminium matter or plastic casing need be brought into play sealing insulating effect, the probe body that applies to the monitoring of gas fired-boiler furnace flame combustion case just need meet above-mentioned requirements.In prior art, because gas fired-boiler burner hearth temperature difference under work and idle state surpasses hundreds of degree Celsius, gas fired-boiler burner hearth all needed purge with displacement inflammable gas wherein before igniting, while preventing from lighting a fire, blast, the flame detection device shell that Here it is need to apply to wherein must have good sealing effectiveness, prior art Flame detector is undesirable in thermal stress lower seal performance, and the reliability in the large environment of difference variation awaits improving.
Utility model content
Undesirable in thermal stress lower seal performance for above-mentioned prior art Flame detector, the reliability in the large environment of difference variation awaits raising problem, and the utility model provides a kind of flame detection device that is conducive to prevent thermal stress damage.
For addressing the above problem, the utility model provides is a kind ofly conducive to prevent that the flame detection device of thermal stress damage from solving problem by following technical essential: a kind of flame detection device that is conducive to prevent thermal stress damage, comprise and be the shell of casing shape and flame detecting assembly is in the enclosure set, described shell comprises the sidewall that forms casing side, form the base plate of tank floor and the cover plate of formation casing upper surface, described sidewall is for to roll by corrugated plate the tubular structure forming, and each gauffer on corrugated plate is around the closed ring of the circumferential formation of sidewall, different piece on each ring is all positioned on sustained height,
On sidewall or cover plate, be also provided with the glass passing through for light;
Described flame detecting assembly comprises any one in infrared eye or ultraviolet detector;
On sidewall or cover plate, be also provided with at least one and for cable, pass the threading opening of described shell.
Concrete, the flame detecting assembly arranging is for monitoring the combustion case of flame, the shell arranging contacts with extraneous inflammable gas or dust for intercepting the circuit part of flame detecting assembly, the glass arranging is convenient to infrared light or ultraviolet light passes through shell, be beneficial to the susceptibility of flame detecting assembly to flame combustion situation, preferably flame detector is arranged on the rear of glass.
In the utility model, sidewall is for to roll by corrugated plate the tubular structure forming, and each gauffer on corrugated plate is around the closed ring of the circumferential formation of sidewall, different piece on each ring is all positioned at the design feature on sustained height, be convenient to the distortion of sidewall under thermal stress: sidewall, cover plate and base plate are when temperature variation expands or shrink, the design feature of sidewall makes it by distortion, adapt to above-mentioned expansion or contraction, to reduce the size of thermal stress on shell, like this, be conducive to prevent that described shell from connecting and seal failure under larger thermal stress, adopt above version simultaneously, what be convenient to the shell to arrange is larger, even if the larger thermal deformation that larger shell causes also can be adapted to by the distortion of sidewall, like this, heat-barrier material can be set in the situation that guaranteeing connection and sealing property on the utility model, the serviceable life and the precision that are conducive to flame detecting assembly, the threading opening arranging passes described shell for flame detecting assembly and extraneous line.
Further technical scheme is:
Installation and removal for ease of glass on the utility model, be beneficial to I& M of the present utility model, also comprise and become bolted glass holder with sidewall or cover plate, on described sidewall or cover plate, be provided with glass wedged groove, described glass is fastened in glass wedged groove by glass holder.More than be arranged so that glass is and removably connects on sidewall or cover plate.
For ease of the installation and maintenance of flame detecting assembly in the utility model shell, make side wall upper part produce stress to concentrate, so that maintenance of the present utility model and extend the life-span of the present utility model, described sidewall is cylinder, cover plate becomes bolt to be connected with one of them in base plate with sidewall, and another and sidewall are welded to connect.
Installation for ease of the utility model in boiler furnace, is also fixedly connected with holder on described base plate, be provided with at least two coupling bolt holes on described holder.
Because shell all can produce deformation in various degree under different temperatures, for reducing infrared eye or ultraviolet detector, be subject to above-mentioned influence of crust deformation with respect to glass position, to change the decline of cause measuring accuracy, described flame detecting assembly also comprises detector mount pad, one end of described detector mount pad is fixed on shell, and infrared eye or ultraviolet detector are fixed on the other end of detector mount pad.
Response accuracy of the present utility model for the benefit of, described flame detector assembly comprises infrared eye and ultraviolet detector.
For strengthening intensity of the present utility model, described glass is tempered glass, and sidewall, base plate and cover plate are aluminium alloy.
The utlity model has following beneficial effect:
1, sidewall is for to roll by corrugated plate the tubular structure forming, and each gauffer on corrugated plate is around the closed ring of the circumferential formation of sidewall, different piece on each ring is all positioned at the design feature on sustained height, be convenient to the distortion of sidewall under thermal stress: sidewall, cover plate and base plate are when temperature variation expands or shrink, the design feature of sidewall makes it by distortion, adapt to above-mentioned expansion or contraction, to reduce the size of thermal stress on shell, like this, be conducive to prevent that described shell from connecting and seal failure under larger thermal stress.
2, adopt above version simultaneously, what be convenient to the shell to arrange is larger, even if the larger thermal deformation that larger shell causes also can be out of shape adaptation by sidewall, like this, can in the situation that guaranteeing connection and sealing property, heat-barrier material be set on the utility model, be conducive to serviceable life and the precision of flame detecting assembly.
Accompanying drawing explanation
Fig. 1 is a kind of cut-open view that is conducive to prevent a specific embodiment of flame detection device of thermal stress damage described in the utility model.
Figure acceptance of the bid note is respectively: 1, sidewall, 2, threading opening, 3, cover plate, 4, viewport, 5, glass, 6, glass holder, 7, infrared eye, 8, ultraviolet detector, 9, detector mount pad, 10, base plate, 11, holder.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples.
Embodiment 1:
As Fig. 1, a kind of flame detection device that is conducive to prevent thermal stress damage, comprise and be the shell of casing shape and flame detecting assembly is in the enclosure set, described shell comprises the cover plate 3 that forms the sidewall 1 of casing side, the base plate 10 that forms tank floor and formation casing upper surface, described sidewall 1 is for to roll by corrugated plate the tubular structure forming, and each gauffer on corrugated plate is around the closed ring of the circumferential formation of sidewall 1, and the different piece on each ring is all positioned on sustained height;
On sidewall 1 or cover plate 3, be also provided with the glass 5 passing through for light;
Described flame detecting assembly comprises any one in infrared eye 7 or ultraviolet detector 8;
On sidewall 1 or cover plate 3, be also provided with at least one and for cable, pass the threading opening 2 of described shell.
In the present embodiment, the aluminium alloy plate that in sidewall 1 employing GB-T 4438-2006, the trade mark is 1070A rolls and forms, and the utility model applies in gas fired-boiler that air capacity is 5T-20T/H, the outside of the utility model housing is also provided with heat insulation asbestos, gapped between heat insulation asbestos and housing, in gap, be also provided with pressure cooling-air.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, installation and removal for ease of glass 5 on the utility model, be beneficial to I& M of the present utility model, also comprise and sidewall 1 or 3 one-tenth bolted glass holders 6 of cover plate, on described sidewall 1 or cover plate 3, be provided with glass wedged groove, described glass 5 is fastened in glass wedged groove by glass holder 6.More than be arranged so that glass 5 is and removably connects on sidewall 1 or cover plate 3.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, and as Fig. 1, the installation for ease of the utility model in boiler furnace, is also fixedly connected with holder 11 on described base plate 10, is provided with at least two coupling bolt holes on described holder 11.
Embodiment 4:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, because shell all can produce deformation in various degree under different temperatures, for reducing infrared eye 7 or ultraviolet detector 8, be subject to above-mentioned influence of crust deformation with respect to glass 5 positions, to change the decline of cause measuring accuracy, described flame detecting assembly also comprises detector mount pad 9, one end of described detector mount pad 9 is fixed on shell, and infrared eye 7 or ultraviolet detector 8 are fixed on the other end of detector mount pad 9.
Embodiment 5:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, and response accuracy of the present utility model for the benefit of, described flame detector assembly comprises infrared eye 7 and ultraviolet detector 8.
Embodiment 6:
The present embodiment is further qualified on the basis of above embodiment, and as Fig. 1, for strengthening intensity of the present utility model, described glass 5 is tempered glass, and sidewall 1, base plate 10 and cover plate 3 are aluminium alloy.
Above content is the further description of the utility model being done in conjunction with concrete preferred implementation, can not assert that embodiment of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, not departing from other embodiments that draw under the technical solution of the utility model, all should be included in protection domain of the present utility model.
Claims (7)
1. a flame detection device that is conducive to prevent thermal stress damage, comprise and be the shell of casing shape and flame detecting assembly is in the enclosure set, it is characterized in that: described shell comprises the cover plate (3) that forms the sidewall (1) of casing side, the base plate (10) that forms tank floor and formation casing upper surface, described sidewall (1) is for to roll by corrugated plate the tubular structure forming, and each gauffer on corrugated plate is around the closed ring of circumferential formation of sidewall (1), and the different piece on each ring is all positioned on sustained height;
On sidewall (1) or cover plate (3), be also provided with the glass (5) passing through for light;
Described flame detecting assembly comprises any one in infrared eye (7) or ultraviolet detector (8);
On sidewall (1) or cover plate (3), be also provided with at least one and for cable, pass the threading opening (2) of described shell.
2. a kind of flame detection device that is conducive to prevent thermal stress damage according to claim 1, it is characterized in that, also comprise with sidewall (1) or cover plate (3) and become bolted glass holder (6), on described sidewall (1) or cover plate (3), be provided with glass wedged groove, described glass (5) is fastened in glass wedged groove by glass holder (6).
3. a kind of flame detection device that is conducive to prevent thermal stress damage according to claim 1, it is characterized in that, described sidewall (1) is cylinder, and cover plate (3) becomes bolt to be connected with one of them in base plate (10) with sidewall (1), and another and sidewall (1) are welded to connect.
4. a kind of flame detection device that is conducive to prevent thermal stress damage according to claim 1, is characterized in that, is also fixedly connected with holder (11) on described base plate (10), is provided with at least two coupling bolt holes on described holder (11).
5. a kind of flame detection device that is conducive to prevent thermal stress damage according to claim 1, it is characterized in that, described flame detecting assembly also comprises detector mount pad (9), one end of described detector mount pad (9) is fixed on shell, and infrared eye (7) or ultraviolet detector (8) are fixed on the other end of detector mount pad (9).
6. a kind of flame detection device that is conducive to prevent thermal stress damage according to claim 1, is characterized in that, described flame detector assembly comprises infrared eye (7) and ultraviolet detector (8).
7. according to a kind of flame detection device that is conducive to prevent thermal stress damage described in any one in claim 1 to 6, it is characterized in that, described glass (5) is tempered glass, and sidewall (1), base plate (10) and cover plate (3) are aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420355466.9U CN203929224U (en) | 2014-06-30 | 2014-06-30 | A kind of flame detection device that is conducive to prevent thermal stress damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420355466.9U CN203929224U (en) | 2014-06-30 | 2014-06-30 | A kind of flame detection device that is conducive to prevent thermal stress damage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203929224U true CN203929224U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420355466.9U Expired - Fee Related CN203929224U (en) | 2014-06-30 | 2014-06-30 | A kind of flame detection device that is conducive to prevent thermal stress damage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203929224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048752A (en) * | 2014-06-30 | 2014-09-17 | 四川天微电子有限责任公司 | Flame detection mechanism beneficial for preventing thermal stress damage |
-
2014
- 2014-06-30 CN CN201420355466.9U patent/CN203929224U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048752A (en) * | 2014-06-30 | 2014-09-17 | 四川天微电子有限责任公司 | Flame detection mechanism beneficial for preventing thermal stress damage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20150630 |
|
| EXPY | Termination of patent right or utility model |