CN116906928A - Boiler system with pre-ignition self-testing function - Google Patents
Boiler system with pre-ignition self-testing function Download PDFInfo
- Publication number
- CN116906928A CN116906928A CN202310934356.1A CN202310934356A CN116906928A CN 116906928 A CN116906928 A CN 116906928A CN 202310934356 A CN202310934356 A CN 202310934356A CN 116906928 A CN116906928 A CN 116906928A
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- CN
- China
- Prior art keywords
- ignition
- boiler
- self
- boiler system
- test function
- Prior art date
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000002485 combustion reaction Methods 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000003134 recirculating effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 14
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- 238000004064 recycling Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/20—Systems for controlling combustion with a time programme acting through electrical means, e.g. using time-delay relays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M11/00—Safety arrangements
- F23M11/04—Means for supervising combustion, e.g. windows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q13/00—Igniters not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The application discloses a boiler system with a pre-ignition self-testing function, which comprises a boiler, wherein a combustion chamber is arranged in the boiler, and a burner is arranged in the combustion chamber; the ignition device is arranged on the burner and is provided with a flame detection device; the ignition combustion-supporting fan is connected with the ignition device through a pipeline; the feeding device is arranged outside the boiler and connected with the combustion chamber through a pipeline, and is used for providing combustible gas; the leakage detection device is arranged on the pipeline; and the controller is connected with each device in a linkage way.
Description
Technical Field
The application relates to the technical field of boilers, in particular to a boiler system with a pre-ignition self-testing function.
Background
The existing combustion technology of the gas boiler is mostly the traditional combustion technology, namely, fuel is combusted under the condition of air (the oxygen-containing volume concentration is about 21%), the gas boiler needs to detect flame inside an ignition burner during ignition, whether ignition is successful or not is detected, whether combustion is good or not is detected, and leakage detection needs to be carried out on the gas boiler before and after ignition and on the quenching furnace. However, the prior art gas boilers generally lack ignition combustion-supporting devices.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a boiler system with a pre-ignition self-testing function, and the ignition efficiency is high.
A boiler system with pre-ignition self-test function according to an embodiment of the present application, comprises:
the boiler is provided with a combustion chamber, and the combustion chamber is provided with a burner;
the ignition device is arranged on the burner and is provided with a flame detection device;
the ignition combustion-supporting fan is connected with the ignition device through a pipeline;
the feeding device is arranged outside the boiler and connected with the combustion chamber through a pipeline, and is used for providing combustible gas;
the leakage detection device is arranged on the pipeline;
and the controller is connected with each device in a linkage way.
According to the embodiment of the application, the boiler system with the pre-ignition self-testing function has at least the following beneficial effects: by arranging the ignition combustion-supporting fan, combustion-supporting gas is provided for the ignition device of the boiler during ignition so as to ensure that the ignition device can effectively and smoothly ignite, and the ignition efficiency of the boiler is effectively improved. In addition, the ignition device is also provided with a flame detection device, after the ignition device ignites after the controller of the boiler starts an ignition program, the flame detection device detects the flame state of the event and feeds information back to the controller, so that an operator can directly judge the ignition state of the ignition device and the combustion state of the flame after the ignition device ignites, if the ignition device ignites successfully, the operator can determine whether to adjust the air inlet quantity of the ignition combustion-supporting fan through the feedback of the flame detection device, and the operator does not need to go to the boiler in person to detect the ignition state.
According to the embodiment of the application, the boiler system with the pre-ignition self-testing function further comprises an air supply blower, wherein the air supply blower is adjacent to the feeding device and is close to an air outlet of the feeding device, and the air supply blower is connected with the boiler through a pipeline. Wherein, the air supply blower blows fresh air into the boiler to improve combustion efficiency.
According to the boiler system with the pre-ignition self-testing function, provided by the embodiment of the application, the boiler system with the pre-ignition self-testing function further comprises the induced draft fan, the induced draft fan is arranged at the tail end of the boiler and is used for exhausting unnecessary gas in the boiler, and the exhaust quantity of the induced draft fan is larger than the air inlet quantity of the air blower so as to form negative pressure to achieve rich combustion, and the combustion efficiency is improved in sequence.
According to the boiler system with the pre-ignition self-testing function, provided by the embodiment of the application, the boiler system with the pre-ignition self-testing function further comprises the smoke recycling fan, the smoke recycling fan is connected with the exhaust port of the boiler through a pipeline, and the smoke recycling fan is used for recycling gas exhausted from the boiler into the system so as to reduce nitrogen oxides of a burner, improve the environmental protection benefit of the boiler, reduce the peak combustion temperature and reduce the oxygen percentage of combustion air or smoke mixture, and have a delay effect on nitrogen oxides generated by high flame temperature.
According to the boiler system with the pre-ignition self-testing function, the leakage detection device comprises the electromagnetic valve and the air pressure monitor, the electromagnetic valve and the air pressure monitor are at least two, the two electromagnetic valves are arranged at intervals and mounted on the pipeline, the two air pressure monitors are respectively arranged between the feeding device and the first electromagnetic valve and between the first electromagnetic valve and the second electromagnetic valve, the electromagnetic valve and the air pressure monitor are used for monitoring air pressure in the air supply pipeline, if the air pressure value reaches the standard value, the pipeline does not have the air leakage phenomenon, and the safety of an operator on the boiler can be conveniently monitored.
According to the boiler system with the pre-ignition self-testing function, provided by the embodiment of the application, the boiler system further comprises the alarm, and when the pipeline is detected to have the gas leakage condition, the alarm sends out a warning signal to remind operators to find and process in time, so that the safety of the boiler is ensured.
According to the boiler system with the pre-ignition self-measuring function, provided by the embodiment of the application, the boiler is provided with the temperature monitoring device, and when the temperature in the boiler reaches a preset value, the controller controls the air displacement of the air supply blower and the air inlet quantity induced draft fan and the air supply state of the air supply device, so that the fuel is saved, the combustion efficiency is improved, and the energy consumption is reduced.
According to the boiler system with the pre-ignition self-testing function, which is disclosed by the embodiment of the application, the ignition device is provided with the slow flow device, so that the ignition success rate of the ignition device is prevented from being influenced due to overlarge air flow.
According to the boiler system with the pre-ignition self-testing function, a heating device is arranged in a pipeline between an ignition combustion-supporting fan and an ignition device.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a boiler system with pre-ignition self-test function according to an embodiment of the present application.
Reference numerals illustrate:
a boiler 100;
an ignition device 200;
an ignition combustion fan 300;
a feeding device 400;
a feed blower 500;
a solenoid valve 600;
an air pressure monitor 700;
a smoke recirculating fan 800;
and a draught fan 900.
Detailed Description
Embodiments of the present application 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 application.
In the description of the present application, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
In the description of the application, the meaning of a number is one or more, the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to FIG. 1, an embodiment of the present application provides a boiler 100 system with pre-ignition self-test function, comprising a boiler 100 provided with a combustion chamber provided with a burner; the ignition device 200 is arranged on the burner, and the ignition device 200 is provided with a flame detection device; the ignition combustion-supporting fan 300, the ignition combustion-supporting fan 300 is connected with the ignition device 200 through a pipeline; a feeding device 400, the feeding device 400 being disposed outside the boiler 100, the feeding device 400 being connected to the combustion chamber through a pipe, the feeding device 400 being adapted to supply a combustible gas; the leakage detection device is arranged on the pipeline; and the controller is connected with each device in a linkage way.
According to some embodiments of the application, a supply air blower is adjacent to the feeding means 400 and near the air outlet of the feeding means 400, the supply air blower being connected to the boiler 100 by means of a pipe. Wherein the air supply blower blows fresh air into the boiler 100 to improve combustion efficiency. The induced draft fan 900 is arranged at the tail end of the boiler 100, the induced draft fan 900 is used for exhausting unnecessary gas in the boiler 100, and the exhaust amount of the induced draft fan 900 is larger than the air inlet amount of the air blower, so that negative pressure is formed to achieve rich combustion, and the combustion efficiency is improved sequentially. The smoke recycling fan 800 is connected with the exhaust port of the boiler 100 through a pipe, and the smoke recycling fan 800 is used for recycling the gas exhausted from the boiler 100 into the system so as to reduce the nitrogen oxides of the burner, improve the environmental protection benefit of the boiler 100, reduce the peak combustion temperature and the oxygen percentage of the combustion air or the smoke mixture, and have a delay effect on the nitrogen oxides generated by the high flame temperature.
According to some embodiments of the present application, the leak detection device includes an electromagnetic valve 600 and an air pressure monitor 700, at least two electromagnetic valves 600 and 700 are provided, the two electromagnetic valves 600 are disposed at intervals and installed on a pipeline, the two air pressure monitors 700 are respectively disposed between the feeding device 400 and the first electromagnetic valve 600, and between the first electromagnetic valve 600 and the second electromagnetic valve 600, the air pressure in the air supply pipeline is monitored by using the electromagnetic valves 600 and the air pressure monitor 700, if the air pressure value reaches the standard value, the pipeline has no air leakage phenomenon, and the safety of the boiler 100 can be monitored conveniently by an operator. When the air supply device starts to supply air, the electromagnetic valve 600 close to the air supply device is a first electromagnetic valve 600, the air pressure monitor 700 of the pipeline is a first electromagnetic valve 700, the first electromagnetic valve 600 is closed under the control of the controller, after a certain amount of air is input into the air supply device, the first electromagnetic valve 700 continuously detects the pressure in the pipeline in a preset time and feeds back the detected data to the controller, an operator continuously observes whether the data change in the preset time, if the pressure does not change, the leakage detection is qualified, otherwise, the operator closes and starts the boiler 100 and overhauls the boiler 100 system; when the leak detection of the section of pipeline is qualified, the first electromagnetic valve 600 is opened and fuel gas enters the pipeline between the first electromagnetic valve 600 and the second electromagnetic valve 600, and the second electromagnetic valve 600 is closed at the moment, and when the pressure in the section of pipeline is qualified under the continuous monitoring of the second air pressure monitor 700, the second electromagnetic valve 600 and the first electromagnetic valve 600 are simultaneously opened.
According to some embodiments of the present application, when the pipe is detected that there is a gas leakage, the alarm emits a warning signal to remind an operator to find and process in time, thereby ensuring the safety of the boiler 100.
According to some embodiments of the present application, the boiler 100 is provided with a temperature monitoring device, and when the temperature in the boiler 100 reaches a preset value, the controller controls the air supply blower, the air displacement of the air intake induced draft fan 900 and the air supply state of the air supply device, so as to achieve fuel saving, improve combustion efficiency and reduce energy consumption.
According to some embodiments of the present application, the ignition device 200 is provided with a slow flow device, so as to avoid the influence of excessive air flow on the ignition success rate of the ignition device 200.
According to some embodiments of the present application, a heating device is disposed in a pipe between the ignition combustion fan 300 and the ignition device 200, so that air entering the ignition device 200 is not cold air, which can make the ignition device 200 easier to ignite and improve the ignition success rate.
By providing the ignition combustion fan 300 to supply combustion-supporting gas to the ignition device 200 of the boiler 100 at the time of ignition to ensure that the ignition device 200 can effectively and smoothly ignite, the ignition efficiency of the boiler 100 is effectively improved. In addition, the ignition device 200 is further provided with a flame detection device, after the controller of the boiler 100 starts the ignition program, when the ignition device 200 ignites, the flame detection device detects the flame state of the event and feeds back information to the controller, so that an operator can directly judge the ignition state of the ignition device 200 and the combustion state of the flame after the ignition device 200 ignites, if the ignition device 200 ignites successfully, the operator can determine whether to adjust the air intake of the ignition combustion-supporting fan 300 through the feedback of the flame detection device, and the operator does not need to go to the boiler 100 in person to detect the ignition state.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A boiler system having a pre-ignition self-test function, comprising:
a boiler provided with a combustion chamber provided with a burner;
the ignition device is arranged on the burner and is provided with a flame detection device;
the ignition combustion-supporting fan is connected with the ignition device through a pipeline;
the feeding device is arranged outside the boiler and connected with the combustion chamber through a pipeline, and is used for providing combustible gas;
the leakage detection device is arranged on the pipeline;
and the controller is connected with each device in a linkage way.
2. The boiler system with pre-ignition self-test function according to claim 1, further comprising an air supply blower adjacent to the feed device and proximate to an air outlet of the feed device, the air supply blower being connected to the boiler by a conduit.
3. The boiler system with pre-ignition self-test function according to claim 2, further comprising an induced draft fan disposed at an end of the boiler.
4. A boiler system with pre-ignition self-test function according to claim 3, further comprising a smoke recirculating fan connected by a duct to the discharge of the boiler.
5. The boiler system with pre-ignition self-test function according to claim 1, wherein the leak detection device comprises an electromagnetic valve and an air pressure monitor, at least two electromagnetic valves are arranged at intervals and are arranged on a pipeline, and the two air pressure monitors are respectively arranged between the feeding device and a first electromagnetic valve and between the first electromagnetic valve and a second electromagnetic valve.
6. The boiler system with pre-ignition self-test function according to claim 4, further comprising an alarm.
7. A boiler system with pre-ignition self-test function according to claim 1, characterized in that the boiler is provided with temperature monitoring means.
8. A boiler system with pre-ignition self-test function according to claim 1, wherein the ignition device is provided with a slow flow device.
9. A boiler system with pre-ignition self-test function according to claim 1, characterized in that a heating device is arranged in the duct between the ignition combustion fan and the ignition device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310934356.1A CN116906928A (en) | 2023-07-27 | 2023-07-27 | Boiler system with pre-ignition self-testing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310934356.1A CN116906928A (en) | 2023-07-27 | 2023-07-27 | Boiler system with pre-ignition self-testing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116906928A true CN116906928A (en) | 2023-10-20 |
Family
ID=88360045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310934356.1A Pending CN116906928A (en) | 2023-07-27 | 2023-07-27 | Boiler system with pre-ignition self-testing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116906928A (en) |
-
2023
- 2023-07-27 CN CN202310934356.1A patent/CN116906928A/en active Pending
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