CN113834054A - Supercharged boiler blowing-out protection method - Google Patents
Supercharged boiler blowing-out protection method Download PDFInfo
- Publication number
- CN113834054A CN113834054A CN202111011422.5A CN202111011422A CN113834054A CN 113834054 A CN113834054 A CN 113834054A CN 202111011422 A CN202111011422 A CN 202111011422A CN 113834054 A CN113834054 A CN 113834054A
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- China
- Prior art keywords
- boiler
- water level
- alarm
- air interlayer
- value
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000011229 interlayer Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims abstract description 31
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
- F22B37/46—Applications, arrangements, or dispositions of alarm or automatic safety devices responsive to low or high water level, e.g. for checking, suppressing, extinguishing combustion in boilers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention aims to provide a supercharged boiler blowing-out protection method, which comprises the steps of setting a boiler water level low alarm value and an air interlayer pressure low alarm value according to supercharged boiler air interlayer pressure and boiler water level historical data; acquiring a boiler water level value, an air interlayer pressure value, a boiler flame monitoring signal and a turbocharger set fault monitoring signal through a sensor; when the boiler water level, air interlayer pressure, boiler flame and a turbocharger set fault sensor monitor alarm values, corresponding alarm is sent out; when any one alarm occurs, a blowing-out signal is triggered to perform blowing-out protection on the boiler. The invention fully considers the main factors influencing the safety of the supercharged boiler, fully utilizes the known information and can safely and efficiently protect the supercharged boiler.
Description
Technical Field
The invention relates to a boiler control method, in particular to a boiler blowing-out method.
Background
The supercharged boiler makes fuel mix with air and burn under higher pressure, has the characteristics of high combustion efficiency, large heat transfer intensity, small size, light dead weight and the like, and is usually used together with a steam turbine as important energy equipment in industrial production. In order to ensure the safe and reliable operation of the supercharged boiler, the real-time monitoring and protection of the supercharged boiler are very important. Factors influencing the safety of the supercharged boiler mainly include low water level of the boiler, low pressure of an air interlayer, flameout of the boiler and faults of a turbo charger unit, and when any one of the conditions occurs, danger easily occurs to cause safety accidents. Therefore, a safe and effective protection method is adopted to protect the boiler, and production accidents are avoided.
Disclosure of Invention
The invention aims to provide a method for protecting the shutdown of a supercharged boiler, which solves the problems of shutdown protection of the supercharged boiler and the like.
The purpose of the invention is realized as follows:
the invention discloses a method for protecting a supercharged boiler from blowing out, which is characterized by comprising the following steps of:
(1) setting a boiler water level low alarm value and an air interlayer pressure low alarm value according to the supercharged boiler air interlayer pressure and boiler water level historical data;
(2) through each sensor, obtain corresponding monitoring signal, specifically be:
acquiring a water level value of the boiler through a boiler water level monitoring sensor;
acquiring an air interlayer pressure value through an air interlayer pressure monitoring sensor;
acquiring a boiler flame monitoring signal through a boiler flame monitoring sensor;
acquiring a fault monitoring signal of the turbocharger set through a fault monitoring sensor of the turbocharger set;
(3) when each sensor of the pan monitors an alarm value, a corresponding alarm is sent out:
if the boiler water level reaches a low alarm value, sending out a boiler water level low alarm;
if the pressure of the air interlayer reaches a low alarm value, sending an alarm of low pressure of the air interlayer;
if the flame of the boiler is extinguished, sending out a flameout alarm of the boiler;
if the turbocharger set fails, sending out a fault alarm of the turbocharger set;
(4) and (4) triggering a furnace shutdown signal to perform furnace shutdown protection on the boiler when any one alarm occurs in the step (3).
The invention has the advantages that:
1. according to the boiler water level low alarm value and the air interlayer pressure low alarm value, the boiler water level low alarm value and the air interlayer pressure low alarm value are set according to the historical data of the boiler water level and the air interlayer pressure of the supercharged boiler, and known information can be fully utilized.
2. The invention fully considers the main factors influencing the safety of the supercharged boiler and can safely and efficiently protect the boiler.
3. The invention has simple operation and convenient realization.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The invention will now be described in more detail by way of example with reference to the accompanying drawings in which:
referring to fig. 1, the technical scheme adopted by the invention is a boiler shutdown protection method for a supercharged boiler, which comprises the following steps:
(1) and setting a low alarm value of the boiler water level and a low alarm value of the air interlayer pressure according to the air interlayer pressure of the supercharged boiler and the historical data of the boiler water level.
(2) And acquiring a corresponding monitoring signal through the sensor.
1) And acquiring a water level value of the boiler through a boiler water level monitoring sensor.
2) And acquiring the pressure value of the air interlayer through an air interlayer pressure monitoring sensor.
3) And acquiring a boiler flame monitoring signal through a boiler flame monitoring sensor.
4) And acquiring a fault monitoring signal of the turbocharger set through a fault monitoring sensor of the turbocharger set.
(3) When the boiler water level, the air interlayer pressure, the boiler flame and the turbocharger set fault sensor monitor alarm values, corresponding alarms are sent out.
1) If the boiler water level reaches the low alarm value, the boiler water level low alarm is sent out.
2) And if the pressure of the air interlayer reaches a low alarm value, sending an alarm of low pressure of the air interlayer.
3) If the flame of the boiler is extinguished, the flameout alarm of the boiler is sent out.
4) And if the turbocharger set fails, sending out a fault alarm of the turbocharger set.
(4) And (4) triggering a furnace shutdown signal to perform furnace shutdown protection on the boiler when any one alarm occurs in the step (3).
The present invention is described in detail below with reference to a specific example.
(1) Assuming that an existing supercharged boiler is provided, according to the air interlayer pressure and boiler water level historical data, a boiler water level low alarm value is set to be 120mm and an air interlayer pressure low alarm value is set to be 150 KPa.
(2) And acquiring a corresponding monitoring signal through the sensor.
1) The current boiler water level value is obtained to be 100mm through a boiler water level monitoring sensor.
2) And acquiring a current air interlayer pressure value of 135KPa through an air interlayer pressure monitoring sensor.
3) And monitoring that the current boiler flame is normal through a boiler flame monitoring sensor.
4) And monitoring that the turbocharger set has no fault through a fault monitoring sensor of the turbocharger set.
(3) According to the step (2), when the boiler water level reaches a low alarm value, sending out a low boiler water level alarm; and when the pressure of the air interlayer reaches a low alarm value, sending an alarm of low pressure of the air interlayer.
(4) The boiler shutdown signal is triggered and the boiler is shut down due to the low water level alarm of the boiler and the low pressure alarm of the air interlayer, so that the aim of protecting the boiler is fulfilled.
Claims (1)
1. A boiler shutdown protection method for a supercharged boiler is characterized by comprising the following steps:
(1) setting a boiler water level low alarm value and an air interlayer pressure low alarm value according to the supercharged boiler air interlayer pressure and boiler water level historical data;
(2) through each sensor, obtain corresponding monitoring signal, specifically be:
acquiring a water level value of the boiler through a boiler water level monitoring sensor;
acquiring an air interlayer pressure value through an air interlayer pressure monitoring sensor;
acquiring a boiler flame monitoring signal through a boiler flame monitoring sensor;
acquiring a fault monitoring signal of the turbocharger set through a fault monitoring sensor of the turbocharger set;
(3) when each sensor of the pan monitors an alarm value, a corresponding alarm is sent out:
if the boiler water level reaches a low alarm value, sending out a boiler water level low alarm;
if the pressure of the air interlayer reaches a low alarm value, sending an alarm of low pressure of the air interlayer;
if the flame of the boiler is extinguished, sending out a flameout alarm of the boiler;
if the turbocharger set fails, sending out a fault alarm of the turbocharger set;
(4) and (4) triggering a furnace shutdown signal to perform furnace shutdown protection on the boiler when any one alarm occurs in the step (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111011422.5A CN113834054A (en) | 2021-08-31 | 2021-08-31 | Supercharged boiler blowing-out protection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111011422.5A CN113834054A (en) | 2021-08-31 | 2021-08-31 | Supercharged boiler blowing-out protection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113834054A true CN113834054A (en) | 2021-12-24 |
Family
ID=78961780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111011422.5A Pending CN113834054A (en) | 2021-08-31 | 2021-08-31 | Supercharged boiler blowing-out protection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113834054A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321872A (en) * | 2022-01-07 | 2022-04-12 | 神华神东电力有限责任公司 | Boiler protection method and boiler protection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1144404A (en) * | 1997-07-25 | 1999-02-16 | Ebara Boiler Kk | Combustion controller for boiler |
| CN103090353A (en) * | 2011-11-01 | 2013-05-08 | 嘉兴市特种设备检测院 | Method and equipment for automatically controlling biomass boiler |
| CN103423728A (en) * | 2013-08-13 | 2013-12-04 | 南京钢铁股份有限公司 | Boiler thermal state sliding-parameter shutdown method |
| CN204114899U (en) * | 2014-08-27 | 2015-01-21 | 杭州德联科技股份有限公司 | A kind of combustion coke-stove gas steam boiler control system |
| CN208186311U (en) * | 2018-05-04 | 2018-12-04 | 广州贝龙环保热力设备股份有限公司 | Steam boiler equipped with flame-out protection device |
| CN112178618A (en) * | 2019-07-02 | 2021-01-05 | 中国石油天然气股份有限公司 | Steam injection boiler fault alarm method, device and system |
-
2021
- 2021-08-31 CN CN202111011422.5A patent/CN113834054A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1144404A (en) * | 1997-07-25 | 1999-02-16 | Ebara Boiler Kk | Combustion controller for boiler |
| CN103090353A (en) * | 2011-11-01 | 2013-05-08 | 嘉兴市特种设备检测院 | Method and equipment for automatically controlling biomass boiler |
| CN103423728A (en) * | 2013-08-13 | 2013-12-04 | 南京钢铁股份有限公司 | Boiler thermal state sliding-parameter shutdown method |
| CN204114899U (en) * | 2014-08-27 | 2015-01-21 | 杭州德联科技股份有限公司 | A kind of combustion coke-stove gas steam boiler control system |
| CN208186311U (en) * | 2018-05-04 | 2018-12-04 | 广州贝龙环保热力设备股份有限公司 | Steam boiler equipped with flame-out protection device |
| CN112178618A (en) * | 2019-07-02 | 2021-01-05 | 中国石油天然气股份有限公司 | Steam injection boiler fault alarm method, device and system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321872A (en) * | 2022-01-07 | 2022-04-12 | 神华神东电力有限责任公司 | Boiler protection method and boiler protection device |
| CN114321872B (en) * | 2022-01-07 | 2024-01-19 | 神华神东电力有限责任公司 | Boiler protection method and boiler protection device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20211224 |