CN212805633U - Burner system - Google Patents
Burner system Download PDFInfo
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- CN212805633U CN212805633U CN202021209116.3U CN202021209116U CN212805633U CN 212805633 U CN212805633 U CN 212805633U CN 202021209116 U CN202021209116 U CN 202021209116U CN 212805633 U CN212805633 U CN 212805633U
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- flame detector
- burner
- pipeline
- flame
- fuel gas
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Abstract
The utility model discloses a burner system, which comprises a burner cylinder, a combustion-supporting air inlet, a flame detector pipeline, a flame detector, a fuel gas inlet pipeline and a burner head; the flame detector pipeline and the fuel gas inlet pipeline are both positioned in the combustor cylinder and are arranged in parallel, and the flame detector pipeline is positioned above the fuel gas inlet pipeline; the flame detector is arranged in a flame detector pipeline, and the horizontal distance between the flame detector and the burner head of the burner is within 1.5 meters; the combustion-supporting air inlet is positioned at one end of the combustor cylinder body, which is opposite to the combustor burner head. The system places a common flame detector into a straight pipe, and positions the flame detector within 1.5 meters of the effective distance from the flame to realize flame detection; the high-temperature radiant heat of 1000 ℃ in the hearth is taken away by utilizing large-flow combustion-supporting air, so that the common flame detector can be normally used.
Description
Technical Field
The utility model relates to a combustor technical field, concretely relates to combustor system.
Background
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information constitutes prior art that is already known to a person skilled in the art.
The flame detector is an important device used in a safety monitoring system in a burner system of a hearth of an incinerator, and has the functions of detecting the combustion working condition in real time according to the combustion characteristic of flame, and giving a signal in a certain mode once the combustion state of the flame does not meet the normal condition or is flamed out, so that the fuel supply is stopped when the boiler extinguishes the fire.
The temperature in the incinerator hearth where the large-scale combustor system is located is high, the effective detection distance of the flame detector is only 1.5 meters, the detector is generally placed at the position of a pipe opening, the large-scale combustor is placed at the position of the pipe opening, the detection distance is far more than 1.5 meters, and the ordinary detection cannot be carried out; the use of a flame detector with high temperature resistance will greatly increase the cost, and therefore, a burner system using a common flame detector is very necessary.
Disclosure of Invention
In order to solve the technical problems in the prior art, the utility model aims to provide a burner system, which puts a common flame detector into a straight pipe and positions the flame detector within 1.5 meters of the effective distance from the flame to realize the flame detection; the high-temperature radiant heat of 1000 ℃ in the hearth is taken away by utilizing large-flow combustion-supporting air, so that the common flame detector can be normally used.
The technical scheme of the utility model is that: a burner system comprising a burner barrel, a combustion air inlet, a flame detector conduit, a flame detector, a fuel gas inlet conduit and a burner head; the flame detector pipeline and the fuel gas inlet pipeline are both positioned in the combustor cylinder and are arranged in parallel, and the flame detector pipeline is positioned above the fuel gas inlet pipeline; the flame detector is arranged in a flame detector pipeline, and the horizontal distance between the flame detector and the burner head of the burner is within 1.5 meters; the combustion-supporting air inlet is positioned at one end of the combustor cylinder body close to the flame detector pipeline;
preferably, the flame detector is a C7027A flame detector;
preferably, the burner system further comprises an instrument cable sleeve and an instrument cable;
preferably, the instrumentation cable sleeve is located within the flame detector conduit and extends outwardly outside the combustor can;
preferably, the instrument cable is positioned in the instrument cable sleeve, and the instrument cable is connected with the flame detector;
preferably, the flame detector tube has an internal diameter of 25 mm;
preferably, the inner diameter of the instrument cable sleeve is 15 mm;
preferably, the inner diameter of the fuel gas inlet pipeline is 15 mm;
preferably, the burner system further comprises an alarm;
the large-scale combustor uses water gas as fuel, the calorific value is low, the water gas flow that consumes is big, and equipment barrel diameter is big, and the flame burning position is apart from the flame detection position distance length, and the ordinary flame detector that detects distance 1.5 meters can't detect. The combustion-supporting air flow needed by the burner is generally 5 times of the fuel gas flow, the flame detector is arranged in a flame detector pipeline, the distance between the flame detector and the flame (namely the burner head of the burner) is controlled within 1.5 meters, and the high-temperature radiation heat of 1000 ℃ in the burner cylinder is taken away by utilizing the large-flow combustion-supporting air, so that the flame detection of a large-scale burner can be realized by the common flame detector.
The utility model has the advantages that:
the utility model discloses a combustor system places the flame detector in the nearest runner apart from the combustion-supporting gas import, places the flame detector in the pipeline simultaneously, utilizes large-traffic combustion-supporting wind, will burn high temperature radiant heat in the burning furnace chamber and take away, has avoided radiant heat to the harm of flame detector to the purpose of flame is detected in the realization, can use ordinary flame detector to replace senior detector, has reduced cost of manufacture and maintenance cost.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure, 1, a combustion-supporting gas inlet, 2, a combustor cylinder, 3, a flame detector pipeline, 4, a flame detector, 5, a fuel gas inlet pipeline, 6, a combustor burner, 7, an instrument cable sleeve, 8 and an instrument cable.
Detailed Description
As shown in FIG. 1, the burner system comprises a burner cylinder, a combustion-supporting air inlet, a flame detector pipeline, a flame detector, a fuel gas inlet pipeline and a burner head; the flame detector pipeline and the fuel gas inlet pipeline are both positioned in the combustor cylinder and are arranged in parallel, and the flame detector pipeline is positioned above the fuel gas inlet pipeline; the flame detector is arranged in a flame detector pipeline, and the horizontal distance between the flame detector and the burner head of the burner is within 1.5 meters; the combustion-supporting air inlet is positioned at one end of the combustor cylinder body close to the flame detector pipeline;
in one particular embodiment, the burner system further includes an instrument cable sleeve and an instrument cable, the instrument cable sleeve being located within the flame detector conduit and extending outwardly outside the combustor can; the instrument cable is positioned in the instrument cable sleeve and is connected with the flame detector; the instrument cable sleeve is used for protecting the instrument cable, and the instrument cable is used for leading out a detection signal of the flame detector.
In a specific embodiment, the flame detector tube has an inner diameter of 25 mm; the inner diameter of the instrument cable sleeve is 15 mm; the inner diameter of the fuel gas inlet pipeline is 15 mm;
in a specific embodiment, the burner system further comprises an alarm, and the alarm is installed at two positions, namely the position near the burner and the position near the main control room.
In one specific embodiment, the flame detector is a C7027A flame detector, a combustion air inlet is positioned at one end of the combustor cylinder body near the flame detector duct, and the combustion air carries away high temperature radiant heat, so that a non-high temperature resistant common flame detector can be used.
Example 1:
the burner system comprises a burner cylinder (2), a combustion-supporting air inlet (1), a flame detector pipeline (3), a flame detector (4), a fuel gas inlet pipeline (5) and a burner head (6); the flame detector pipeline and the fuel gas inlet pipeline are both positioned in the combustor cylinder and are arranged in parallel, and the flame detector pipeline is positioned above the fuel gas inlet pipeline; the flame detector is arranged in a flame detector pipeline, and the horizontal distance between the flame detector and the burner head of the burner is within 1.5 meters; the combustion-supporting air inlet is positioned at one end of the combustor cylinder body opposite to the combustor burner; the burner system further comprises an instrument cable sleeve (7) and an instrument cable (8), wherein the instrument cable sleeve is positioned in the flame detector pipeline and extends outwards to the outside of the burner barrel body; the instrument cable is located in the instrument cable sleeve and connected with the flame detector.
Combustion-supporting gas enters the combustor cylinder body (2) from the combustion-supporting gas inlet (1), fuel gas enters the combustor cylinder body (2) from a fuel gas inlet pipeline (5), and the fuel gas and the combustion-supporting gas are mixed and combusted at a combustor burner (6); the flame detector (4) is positioned in the flame detector pipeline (3), the horizontal distance from the burner head (6) of the burner is controlled within 1.5 m, high-flow combustion-supporting gas circulates in the burner cylinder body (2) and simultaneously takes away high-temperature radiant heat of 1000 ℃ in the burner cylinder body (2), the damage of the radiant heat to the flame detector (4) is avoided, the purpose of detecting flame is realized, and the flame detection of a large-scale burner can be realized by using a common flame detector.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A burner system comprising a burner barrel, a combustion air inlet, a flame detector conduit, a flame detector, a fuel gas inlet conduit and a burner head; the flame detector pipeline and the fuel gas inlet pipeline are both positioned in the combustor cylinder and are arranged in parallel, and the flame detector pipeline is positioned above the fuel gas inlet pipeline; the flame detector is arranged in a flame detector pipeline, and the horizontal distance between the flame detector and the burner head of the burner is within 1.5 meters; the combustion-supporting air inlet is positioned at one end of the combustor cylinder body close to the flame detector pipeline.
2. The burner system of claim 1, wherein the flame detector is a C7207A flame detector.
3. The burner system of claim 1, further comprising an instrument cable sleeve and an instrument cable.
4. The burner system of claim 3 wherein the instrumentation cable sleeve is located within the flame detector conduit and extends outwardly beyond the combustor can.
5. The burner system of claim 3, wherein the instrumentation cable is positioned within an instrumentation cable sleeve and the instrumentation cable is coupled to a flame detector.
6. The burner system of claim 3, wherein the instrument cable sleeve has an inner diameter of 15 mm.
7. The burner system of claim 1, wherein the flame detector tube has an inner diameter of 25 mm.
8. The burner system of claim 1 wherein the fuel gas inlet conduit has an inner diameter of 15 mm.
9. The burner system of claim 1, further comprising an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021209116.3U CN212805633U (en) | 2020-06-24 | 2020-06-24 | Burner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021209116.3U CN212805633U (en) | 2020-06-24 | 2020-06-24 | Burner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212805633U true CN212805633U (en) | 2021-03-26 |
Family
ID=75098195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021209116.3U Active CN212805633U (en) | 2020-06-24 | 2020-06-24 | Burner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212805633U (en) |
-
2020
- 2020-06-24 CN CN202021209116.3U patent/CN212805633U/en active Active
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