CN220206321U - Flame monitoring device for rotary kiln - Google Patents
Flame monitoring device for rotary kiln Download PDFInfo
- Publication number
- CN220206321U CN220206321U CN202321462973.8U CN202321462973U CN220206321U CN 220206321 U CN220206321 U CN 220206321U CN 202321462973 U CN202321462973 U CN 202321462973U CN 220206321 U CN220206321 U CN 220206321U
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- sensor
- rotary kiln
- flame
- monitoring device
- monitoring
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 39
- 238000012544 monitoring process Methods 0.000 claims abstract description 45
- 239000000523 sample Substances 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001354 calcination Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of rotary kilns, and particularly discloses a flame monitoring device for a rotary kiln, which comprises a monitoring component and a control component, wherein the monitoring component comprises a first sensor and a second sensor, the first sensor is arranged above a first observation hole, the second sensor is arranged in front of a second observation hole, and the first sensor and the second sensor are used for monitoring whether the rotary kiln body has flame or not; the control assembly comprises a control valve, the control valve is used for controlling the on-off of the gas pipeline, the first sensor and the second sensor are electrically connected with the control valve, and the first sensor and the second sensor are arranged in parallel. According to the flame monitoring device, the two sensors are arranged at the two observation holes to monitor the flame state, the wide angle of monitoring is improved, the gas pipeline is closed only when the two sensors cannot detect flame signals, the monitoring accuracy is high, and the rotary kiln can be ensured to run safely and economically.
Description
Technical Field
The utility model relates to the technical field of rotary kilns, in particular to a flame monitoring device for a rotary kiln.
Background
The rotary kiln is a common drying and calcining device and plays an important role in material production. The main gas burner fuel of the rotary kiln is converter gas with low calorific value: 4424kJ/Nm3, gas temperature: the burner extends into the kiln by 2500mm at 190 ℃, the inlet direction of the air and gas pipeline is horizontal to the right, and a flame detection device is matched with the burner. Whether flame combustion in the rotary kiln is stable or not is the most important condition for ensuring the safe and economic operation of the rotary kiln.
The high-temperature clinker of the rotary kiln enters wet ball milling through a discharge hole, steam and dust are generated after the high-temperature material contacts with water and enter the kiln, the flame detector is shielded, the flame detector cannot acquire flame signals, misjudgment occurs, and then a gas valve is cut off, so that the normal operation of the rotary kiln is influenced, and economic loss is caused.
Disclosure of Invention
The utility model aims at: the flame monitoring device for the rotary kiln is provided, so that the problems that the conventional flame monitoring device is poor in monitoring effect, and the gas valve is easily cut off due to misjudgment, and the normal operation of the rotary kiln is affected are solved.
To achieve the purpose, the utility model adopts the following technical scheme:
a flame monitoring device for rotary kiln, rotary kiln include the rotary kiln body, this internal configuration of rotary kiln has the gas pipeline, first observation hole has been seted up on the upper portion of rotary kiln body, the second observation hole has been seted up at the front portion of rotary kiln body, flame monitoring device includes:
the monitoring assembly comprises a first sensor and a second sensor, the first sensor is arranged above the first observation hole, the second sensor is arranged in front of the second observation hole, and the first sensor and the second sensor are used for monitoring whether flame exists in the rotary kiln body or not; the method comprises the steps of carrying out a first treatment on the surface of the
The control assembly comprises a control valve, the control valve is used for controlling the on-off of the gas pipeline, the first sensor and the second sensor are connected with the control valve, and the first sensor and the second sensor are arranged in parallel.
As the preferable technical scheme of the flame monitoring device for the rotary kiln, the first sensor and the first observation hole and the second sensor and the second observation hole are arranged at an included angle.
As a preferable technical scheme of the flame monitoring device for the rotary kiln, the installation height of the second sensor in the vertical direction is adjustable.
As the preferable technical scheme of the flame monitoring device for the rotary kiln, the monitoring assembly further comprises a monitoring probe and a display in communication connection with the monitoring probe, wherein the monitoring probe is arranged in front of the second observation hole, and the display is used for displaying pictures shot by the monitoring probe.
As the preferable technical scheme of the flame monitoring device for the rotary kiln, the control assembly further comprises a manual switch, and the manual switch is used for manually controlling the on-off of the gas pipeline.
As the preferable technical scheme of the flame monitoring device for the rotary kiln, the monitoring assembly further comprises a fixing frame, the fixing frame is arranged in front of the rotary kiln body, and the monitoring probe and the second sensor are both arranged on the fixing frame.
As a preferable technical scheme of the flame monitoring device for the rotary kiln, the control valve is integrally provided with a retarder, and the retarder is used for delaying the time for closing the gas pipeline by the control valve.
As a preferable technical scheme of the flame monitoring device for the rotary kiln, the delay time of the delay device is 3 seconds to 7 seconds.
As a preferable technical scheme of the flame monitoring device for the rotary kiln, the first sensor and the second sensor are both visible light flame detectors.
As a preferable technical scheme of the flame monitoring device for the rotary kiln, the flame monitoring device further comprises a flameout alarm, wherein the flameout alarm is used for sending out a warning signal after the gas pipeline is closed.
The beneficial effects of the utility model are as follows:
the utility model provides a flame monitoring device for a rotary kiln, which particularly comprises a monitoring component and a control component, wherein the monitoring component comprises a first sensor and a second sensor, the first sensor is arranged above a first observation hole, the second sensor is arranged in front of a second observation hole, and the first sensor and the second sensor are used for monitoring whether flame exists in a rotary kiln body or not; the control assembly comprises a control valve, the control valve is used for controlling the on-off of the gas pipeline, the first sensor and the second sensor are connected with the control valve, and the first sensor and the second sensor are arranged in parallel. According to the flame monitoring device, the two sensors are arranged at the two observation holes to monitor the flame state, the wide angle of monitoring is improved, the gas pipeline is closed only when the two sensors cannot detect flame signals, the monitoring accuracy is high, and the rotary kiln can be ensured to run safely and economically.
Drawings
Fig. 1 is a schematic structural view of a flame monitoring device for a rotary kiln according to an embodiment of the present utility model.
In the figure:
100. a rotary kiln body; 101. a first viewing aperture; 102. a second viewing aperture; 103. transparent glass; 1. a first sensor; 2. a second sensor; 3. monitoring a probe; 4. and a fixing frame.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
The rotary kiln is a common drying and calcining device and plays an important role in material production. Whether flame combustion in the rotary kiln is stable or not is the most important condition for ensuring the safe and economic operation of the rotary kiln. The existing flame monitoring device is provided with a flame detector only above the rotary kiln body, when high-temperature materials are contacted with water, steam and dust are generated to enter the kiln, the flame detector is shielded, so that the flame detector cannot collect flame signals to generate misjudgment, and then a gas valve is cut off, the normal operation of the rotary kiln is influenced, and economic loss is caused.
As shown in fig. 1, in order to solve the technical problems of the existing flame monitoring device, the embodiment of the utility model provides a flame monitoring device for a rotary kiln, wherein the rotary kiln comprises a rotary kiln body 100, a gas pipeline is configured in the rotary kiln body 100, a first observation hole 101 is formed in the upper portion of the rotary kiln body 100, a second observation hole 102 is formed in the front portion of the rotary kiln body 100, and transparent glass 103 is arranged at the first observation hole 101 and the second observation hole 102.
Specifically, the flame monitoring device comprises a monitoring component and a control component, wherein the monitoring component comprises a first sensor 1 and a second sensor 2, the first sensor 1 is arranged above a first observation hole 101, the second sensor 2 is arranged in front of a second observation hole 102, the first sensor 1 and the second sensor 2 are used for monitoring whether flames exist in a rotary kiln body 100 or not, the control component comprises a control valve, the control valve is used for controlling the on-off of a gas pipeline, the first sensor 1 and the second sensor 2 are connected with the control valve, and the two sensors are arranged in parallel, and when flame signals are not detected by the two sensors, the control valve is closed so that the gas pipeline does not supply gas any more; in detail, in the present embodiment, the first sensor 1 and the second sensor 2 are both visible light flame detectors.
Preferably, the monitoring assembly further comprises a monitoring probe 3 and a display in communication connection with the monitoring probe 3, the monitoring probe 3 is arranged in front of the second observation hole 102, the monitoring probe 3 is used for shooting a real-time picture of flame in the second observation hole 102, the display is used for displaying the picture shot by the monitoring probe 3, and a worker can know the condition of the flame in the rotary kiln through the display in a monitoring room; further, the control assembly also comprises a manual switch, and when the worker cannot observe flame through the picture, the on-off of the gas pipeline can be controlled through the manual switch.
Optionally, the monitoring assembly further includes a fixing frame 4, the fixing frame 4 is disposed in front of the rotary kiln body 100, and the monitoring probe 3 and the second sensor 2 are both mounted on the fixing frame 4. Preferably, the first sensor 1 and the first observation hole 101 and the second sensor 2 and the second observation hole 102 are arranged at included angles, and the specific inclination angle can be set according to specific situations; further, the mounting heights of the first sensor 1 and the second sensor 2 in the vertical direction are adjustable.
In addition, because the rotary kiln has large length-diameter ratio, large feeding amount and large feeding water vapor and dust, the visible light flame detector is easy to cut off a coal gas passage frequently, and the normal operation of the rotary kiln is influenced. Therefore, it is preferable that the control valve is integrally provided with a delay for delaying the time for which the control valve closes the gas line, and further, the delay time of the delay is preferably 3 seconds to 7 seconds, and further, the delay time is preferably 5 seconds.
Optionally, the flame monitoring device further comprises a flameout alarm, wherein the flameout alarm is used for sending out a warning signal after the gas pipeline is closed; further, the flameout alarm is an audible alarm, when the gas pipeline is disconnected and no gas is supplied, the flameout alarm can make sounds to remind a worker, and the worker can check the flame state through a monitoring picture at the first time so as to take follow-up measures; still further, the control assembly may further include an alarm switch by which a worker may control the opening or closing of the flameout alarm.
According to the flame monitoring device for the rotary kiln, the two sensors are arranged at the two observation holes to monitor the flame state, so that the wide angle of monitoring is improved, the gas pipeline is closed only when the two sensors cannot detect flame signals, the monitoring accuracy is high, and the rotary kiln can be operated safely and economically.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. A flame monitoring device for rotary kiln, rotary kiln include rotary kiln body (100), be configured with the gas line in rotary kiln body (100), first observation hole (101) have been seted up on the upper portion of rotary kiln body (100), second observation hole (102) have been seted up in the front portion of rotary kiln body (100), a serial communication port, flame monitoring device includes:
the monitoring assembly comprises a first sensor (1) and a second sensor (2), wherein the first sensor (1) is arranged above the first observation hole (101), the second sensor (2) is arranged in front of the second observation hole (102), and the first sensor (1) and the second sensor (2) are used for monitoring whether flames exist in the rotary kiln body (100);
the control assembly comprises a control valve, the control valve is used for controlling the on-off of the gas pipeline, the first sensor (1) and the second sensor (2) are electrically connected with the control valve, and the first sensor (1) and the second sensor (2) are arranged in parallel.
2. Flame monitoring device for rotary kilns according to claim 1, characterized in that the first sensor (1) and the first observation hole (101) and the second sensor (2) and the second observation hole (102) are both arranged at an angle.
3. Flame monitoring device for rotary kilns according to claim 2, wherein the second sensor (2) is mounted with an adjustable height in the vertical direction.
4. The flame monitoring device for a rotary kiln according to claim 1, wherein the monitoring assembly further comprises a monitoring probe (3) and a display communicatively connected with the monitoring probe (3), the monitoring probe (3) is arranged in front of the second observation hole (102), and the display is used for displaying pictures shot by the monitoring probe (3).
5. The flame monitoring device for a rotary kiln of claim 4, wherein the control assembly further comprises a manual switch for manually controlling the on-off of the gas line.
6. The flame monitoring device for a rotary kiln according to claim 4, characterized in that the monitoring assembly further comprises a fixing frame (4), the fixing frame (4) is arranged in front of the rotary kiln body (100), and the monitoring probe (3) and the second sensor (2) are both installed on the fixing frame (4).
7. The flame monitoring device for a rotary kiln according to claim 1, wherein the control valve is integrally provided with a delay for delaying a time for which the control valve closes the gas line.
8. The flame monitoring device for a rotary kiln according to claim 7, wherein the delay time of the delay unit is 3 seconds to 7 seconds.
9. Flame monitoring device for a rotary kiln according to any of claims 1-8, characterized in that the first sensor (1) and the second sensor (2) are both visible light flame detectors.
10. The flame monitoring device for a rotary kiln of claim 9, further comprising a flameout alarm for signaling a warning after the gas line is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321462973.8U CN220206321U (en) | 2023-06-09 | 2023-06-09 | Flame monitoring device for rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321462973.8U CN220206321U (en) | 2023-06-09 | 2023-06-09 | Flame monitoring device for rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220206321U true CN220206321U (en) | 2023-12-19 |
Family
ID=89141461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321462973.8U Active CN220206321U (en) | 2023-06-09 | 2023-06-09 | Flame monitoring device for rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220206321U (en) |
-
2023
- 2023-06-09 CN CN202321462973.8U patent/CN220206321U/en active Active
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