CN215336309U - Safety ignition device for steam unit heating hearth - Google Patents
Safety ignition device for steam unit heating hearth Download PDFInfo
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- CN215336309U CN215336309U CN202121313123.2U CN202121313123U CN215336309U CN 215336309 U CN215336309 U CN 215336309U CN 202121313123 U CN202121313123 U CN 202121313123U CN 215336309 U CN215336309 U CN 215336309U
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Abstract
A safe ignition device for a steam unit heating hearth belongs to the field of boiler safety. The utility model is provided with a heating hearth region, one side of the heating hearth region is provided with a water inlet, the other side of the heating hearth region is provided with a water outlet, and the water inlet and the water outlet are both connected with a heat exchange water pipe in the heating hearth region. The top in heating furnace district is equipped with the exhaust port, and heating furnace district below is equipped with air gas premixer, and air gas premixer top links to each other with the full premix burning stick that sets up in heating furnace district bottom, and air gas premixer one side links to each other with air cleaner, and air gas premixer opposite side links to each other with one side of motorised valve b, and motorised valve b's opposite side links to each other with one side of gas cleaner, and gas cleaner's opposite side links to each other with one side of motorised valve a, and motorised valve a's opposite side links to each other with the gas pipe. The utility model carries out pre-ignition through the thin pipeline, carries out gas ignition in the thick pipeline after the fire occurs, has high safety and eliminates potential safety hazard.
Description
Technical Field
The utility model belongs to the field of boiler safety, and particularly relates to a safety ignition device for a heating hearth of a steam unit.
Background
In the process that the emission of a plurality of gas boilers reaches the standard below 30mg required by China, a full premix combustion device is used; however, if the frequency of ignition failure is increased, the potential safety hazards of explosion and explosion are easily caused; meanwhile, indexes such as flue gas emission, water quality monitoring and the like are frequently used.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects, the utility model provides the safe ignition device for the steam unit heating hearth, which improves the ignition success rate and eliminates the hidden danger of deflagration explosion.
The device for solving the technical problem is provided with a heating hearth region, a water inlet is arranged at one side of the heating hearth region, a water outlet is arranged at the other side of the heating hearth region, and the water inlet and the water outlet are both connected with a heat exchange water pipe in the heating hearth region. The top in heating furnace district is equipped with the exhaust port, and heating furnace district below is equipped with air gas premixer, and air gas premixer top links to each other with the full premix burning stick that sets up in heating furnace district bottom, and air gas premixer one side links to each other with air cleaner, and air gas premixer opposite side links to each other with one side of motorised valve b, and motorised valve b's opposite side links to each other with one side of gas cleaner, and gas cleaner's opposite side links to each other with one side of motorised valve a, and motorised valve a's opposite side links to each other with the gas pipe.
Further, a flame detector a is arranged on one side of the full-premix combustion rod, a flame detector b is arranged on the other side of the full-premix combustion rod, and an igniter a is arranged on one side of the flame detector b.
Further, a gas pressure gauge is arranged between the gas filter and the electric valve b.
Furthermore, a pipeline between the gas pressure gauge and the electric valve b is connected with one side of the electric valve c, the other side of the electric valve c is connected with an igniter b in the heating hearth area, and the igniter b is arranged on one side of the igniter a and is ignited through the igniter a.
Furthermore, the safety ignition device is also provided with an intelligent controller, and the electric valve a, the gas filter, the gas pressure gauge, the electric valve b, the electric valve c, the fan, the air and gas premixer, the air filter, the flame detector a, the smoke outlet, the heat exchange water pipe, the flame detector b, the igniter a, the water inlet and the igniter b are all electrically connected with the intelligent controller.
Furthermore, the diameter of the pipeline where the igniter b and the electric valve c are located is smaller than that of the pipeline where the gas filter and the electric valve b are located.
The working process is as follows: before ignition, the electric valve b is closed, the electric valve c is opened, gas is conveyed to the igniter b, the igniter a ignites, the electric valve b is opened after the flame detector b detects fire, the igniter b ignites, and the electric valve c is closed when the flame detector a detects flame.
Has the advantages that: the utility model carries out pre-ignition through the thin pipeline, carries out gas ignition in the thick pipeline after the fire occurs, has high safety, eliminates potential safety hazard, and simultaneously, the flame detector can detect the combustion state and saves fuel.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
As shown in the figure, the intelligent combustion device comprises an electric valve a, an electric valve b, an electric valve c, a fan, an air and gas premixer, an air filter 8, a flame detector a, a full premix combustion rod 10, a heating hearth region 11, a water outlet 12, a smoke outlet 13, a heat exchange water pipe 14, a flame detector b, a flame detector 16, an igniter a, an igniter 17, a water inlet 18, an igniter b, an igniter 19 and an intelligent controller, wherein the electric valve a, the electric valve 2, the gas filter 3, the gas pressure gauge 4, the electric valve b, the electric valve c, the fan 6 and the smoke outlet 7 are arranged in sequence.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
This embodiment is equipped with heating furnace district 11, and 11 one sides in heating furnace district are equipped with water inlet 17, and 11 opposite sides in heating furnace district are equipped with delivery port 12, and water inlet 17 and delivery port 12 all link to each other with heat transfer water pipe 14 in the heating furnace district 11. The top of heating furnace district 11 is equipped with exhaust port 13, heating furnace district 11 below is equipped with air gas premixer 7, air gas premixer 7 top links to each other with the full premix burning rod 10 that sets up in heating furnace district 11 bottom, air gas premixer 7 one side links to each other with air cleaner 8, air gas premixer 7 opposite side links to each other with one side of motorised valve b4, the opposite side of motorised valve b4 links to each other with one side of gas cleaner 2, the opposite side of gas cleaner 2 links to each other with one side of motorised valve a1, the opposite side of motorised valve a1 links to each other with the gas pipe. Wherein, one side of the full premix burning rod 10 is provided with a flame detector a9, the other side of the full premix burning rod 10 is provided with a flame detector b15, and one side of the flame detector b15 is provided with an igniter a 16. A gas pressure gauge 3 is arranged between the gas filter 2 and the electric valve b 4. The pipeline between the gas pressure gauge 3 and the electric valve b4 is connected with one side of an electric valve c5, the other side of the electric valve c5 is connected with an igniter b18 in the heating hearth area 11, and the igniter b18 is arranged at one side of an igniter a16 and is ignited by an igniter a 16. The safety ignition device is also provided with an intelligent controller 19, and the electric valve a1, the gas filter 2, the gas pressure gauge 3, the electric valve b4, the electric valve c5, the fan 6, the air and gas premixer 7, the air filter 8, the flame detector a9, the smoke outlet 13, the heat exchange water pipe 14, the flame detector b15, the igniter a16, the water inlet 17 and the igniter b18 are all electrically connected with the intelligent controller 19. The pipe diameter of the igniter b18 and the electric valve c5 is smaller than the pipe diameter of the gas filter 2 and the electric valve b 4.
Example 2
The working process is as follows: before ignition, the electric valve b4 is closed, the electric valve c5 is opened, gas is conveyed to the igniter b18, the igniter a16 is ignited, the flame detector b15 detects that the electric valve b4 is opened after the flame is detected, the igniter b18 is ignited, and after the flame detector a9 detects the flame, the electric valve c5 is closed.
The foregoing examples are provided for illustration and description of the utility model only and are not intended to limit the utility model to the scope of the described examples. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present invention, which variations and modifications are within the scope of the present invention as claimed.
Claims (6)
1. A safe ignition device for a steam unit heating hearth is characterized in that the device is provided with a heating hearth area (11), one side of the heating hearth area (11) is provided with a water inlet (17), the other side of the heating hearth area (11) is provided with a water outlet (12), and the water inlet (17) and the water outlet (12) are both connected with a heat exchange water pipe (14) in the heating hearth area (11); the top of heating furnace district (11) is equipped with exhaust port (13), heating furnace district (11) below is equipped with air gas premixer (7), air gas premixer (7) top links to each other with setting up at full premix burning stick (10) of heating furnace district (11) bottom, air gas premixer (7) one side links to each other with air cleaner (8), air gas premixer (7) opposite side links to each other with one side of motorised valve b (4), the opposite side of motorised valve b (4) links to each other with one side of gas cleaner (2), the opposite side of gas cleaner (2) links to each other with one side of motorised valve a (1), the opposite side of motorised valve a (1) links to each other with the gas pipe.
2. The safety ignition device for the steam unit heating hearth according to the claim 1, characterized in that one side of the full premix combustion rod (10) is provided with a flame detector a (9), the other side of the full premix combustion rod (10) is provided with a flame detector b (15), and one side of the flame detector b (15) is provided with an igniter a (16).
3. The safety ignition device for the heating hearth of the steam unit as claimed in claim 1, characterized in that a gas pressure gauge (3) is arranged between the gas filter (2) and the electric valve b (4).
4. The safety ignition device for the heating furnace of the steam unit as claimed in claim 1, wherein the pipeline between the gas pressure gauge (3) and the electric valve b (4) is connected with one side of the electric valve c (5), the other side of the electric valve c (5) is connected with the igniter b (18) in the heating furnace area (11), and the igniter b (18) is arranged at one side of the igniter a (16) and is ignited by the igniter a (16).
5. The safety ignition device for the steam unit heating hearth according to claim 3, characterized in that the safety ignition device is further provided with an intelligent controller (19), and the electric valve a (1), the gas filter (2), the gas pressure gauge (3), the electric valve b (4), the electric valve c (5), the fan (6), the air-gas premixer (7), the air filter (8), the flame detector a (9), the smoke outlet (13), the heat exchange water pipe (14), the flame detector b (15), the igniter a (16), the water inlet (17) and the igniter b (18) are all electrically connected with the intelligent controller (19).
6. The safety ignition device for the heating hearth of the steam unit as claimed in claim 1, wherein the diameter of the pipeline where the igniter b (18) and the electric valve c (5) are located is smaller than the diameter of the pipeline where the gas filter (2) and the electric valve b (4) are located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121313123.2U CN215336309U (en) | 2021-06-11 | 2021-06-11 | Safety ignition device for steam unit heating hearth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121313123.2U CN215336309U (en) | 2021-06-11 | 2021-06-11 | Safety ignition device for steam unit heating hearth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215336309U true CN215336309U (en) | 2021-12-28 |
Family
ID=79557561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121313123.2U Active CN215336309U (en) | 2021-06-11 | 2021-06-11 | Safety ignition device for steam unit heating hearth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215336309U (en) |
-
2021
- 2021-06-11 CN CN202121313123.2U patent/CN215336309U/en active Active
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