A boiler gas leakage monitoring system

Abstract

The utility model provides a kind of boiler gas leakage monitoring system, including tooling support and gas detector, the tooling support includes vertical pole and cross bar, two the cross bar is horizontally installed on the vertical pole, two the cross bar is installed with the gas detector at the end portion away from the vertical pole, the gas detector is used to detect gas leakage from the above of combustion head on boiler burner and the above of stop valve on gas inlet pipe. The vertical pole and cross bar of tooling support extend gas detector to the above of gas leakage position that needs to be detected emphatically of old-fashioned boiler, can carry out small-range fixed-point monitoring to the combustion head of old-fashioned boiler and the stop valve on gas inlet pipe, overall installation cost and maintenance cost are low, can fast and efficiently detect local leakage, suitable for long-term, fixed-point monitoring to gas leakage problem of old-fashioned boiler.

Description

Technical Field

[0001] This utility model relates to a gas leak monitoring device, specifically, to a boiler gas leak monitoring system. Background Technology

[0002] Currently, some industrial and civil sectors still use old-style boiler equipment. These boilers are mainly distributed in the self-supplied heating systems of small and medium-sized heating enterprises in the north and early industrial parks. Their characteristics are that most of them still use buried gas pipelines and most of them are not equipped with gas leak safety monitoring and alarm systems. The gas safety standards implemented when the old boiler rooms were built can no longer meet the requirements of current regulations.

[0003] With advancements in materials science and upgrades in testing technology, modern boiler systems have gradually shifted to overhead or integrated pipe gallery installations, which are easier to maintain and detect leaks. However, due to the difficulty of retrofitting and historical planning inertia, older boilers still have a large number of buried gas pipelines and unsafe gas usage practices, posing a significant risk of flue gas leakage.

[0004] To meet the needs of safe production and to comply with gas safety standards, while ensuring low installation costs, the current technology generally involves installing gas leak detection devices on older boilers.

[0005] For example, a boiler leak detection device disclosed in Chinese utility model patent CN202421025745.9 detects gas near the boiler by opening the detector body. During detection, one end of a flexible hose is placed at the location to be detected. When detecting the surrounding environment at different heights, the installation rod can be moved up and down within the limiting cylinder by turning the threaded rod, thus adjusting the hose position and facilitating gas detection at different heights. However, this solution is not suitable for long-term leak monitoring.

[0006] For example, Chinese utility model patent CN202320942758.1 discloses a boiler gas supply pipeline leak detection device. An outer casing is installed on the gas supply pipeline, and the leak detector body is installed inside the casing. Two fans accelerate airflow, allowing for timely detection at the onset of a gas leak. However, this device requires an open detection environment and has a detection lag, making it difficult to achieve rapid, fixed-point monitoring.

[0007] Therefore, there is currently a lack of technical means to conduct long-term, on-site monitoring of gas leaks in older boilers and to respond quickly to gas leaks.

[0008] In order to solve the above problems, people have been seeking an ideal technological solution. Utility Model Content

[0009] The purpose of this invention is to address the shortcomings of existing technologies by providing a boiler gas leak monitoring system with low overall installation and maintenance costs. It can quickly and efficiently detect local leaks and is suitable for long-term, fixed-point monitoring of gas leaks in older boilers.

[0010] To achieve the above objectives, the technical solution adopted by this utility model is as follows: it includes a tooling bracket and a gas detector. The tooling bracket includes a vertical rod and a horizontal rod. Two horizontal rods are horizontally installed on the vertical rod. The gas detector is installed at the ends of the two horizontal rods away from the vertical rod. The gas detector is used to detect gas leakage from above the burner head on the boiler burner and above the shut-off valve on the gas inlet pipe.

[0011] Based on the above, a flue gas inlet pipe is connected to the boiler burner, and the flue gas inlet pipe and the gas inlet pipe are installed on the boiler burner from the same side, with the bottom end of the vertical rod installed on the flue gas inlet pipe.

[0012] Based on the above, the flue gas inlet pipe is provided with a connecting flange, and a vertical rod base is installed on the connecting flange, with the bottom end of the vertical rod installed on the vertical rod base.

[0013] Based on the above, the bottom end of the vertical rod is installed on the ground.

[0014] Based on the above, the vertical bar and the horizontal bar are made of structural steel, and the vertical bar and the horizontal bar are connected by welding.

[0015] Based on the above, the end of the crossbar connected to the vertical bar is provided with a notch adapted to the shape of the side wall surface of the vertical bar, and the notch allows the end of the crossbar to be welded to the crossbar in any orientation.

[0016] Based on the above, the two horizontal bars are installed at different heights on the vertical bar.

[0017] Based on the above, the monitoring system also includes an alarm. A conduit is installed at the top of the vertical pole. The wiring of the gas detector passes through the interior of the vertical pole, the interior of the horizontal pole, and the conduit, and is connected to the alarm.

[0018] Based on the above, the conduit is installed on the roof and walls of the boiler room.

[0019] Based on the above, the gas detector is a point-type gas detector.

[0020] This utility model has substantial features and advancements compared to existing technologies. Specifically, by extending the gas detector above the gas leak location that needs to be detected in the old boiler through the vertical and horizontal bars of the tooling bracket, it can perform small-scale fixed-point monitoring of the burner head and the shut-off valve on the gas inlet pipe of the old boiler. The overall installation and maintenance costs are low, and it can quickly and efficiently detect local leaks. It is suitable for long-term, fixed-point monitoring of gas leaks in old boilers. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 yes Figure 1 A diagram from another angle;

[0023] Figure 3 yes Figure 2 Enlarged diagram of details in the middle section;

[0024] In the figure, the attached reference numerals are: tooling bracket 10, vertical rod 11, horizontal rod 12, conduit 13, vertical rod base 14, gas detector 20, boiler burner 30, burner head 31, gas inlet pipe 32, shut-off valve 33, flue gas inlet pipe 34, and connecting flange 35. Detailed Implementation

[0025] The technical solution of this utility model will be further described in detail below through specific embodiments.

[0026] Example 1

[0027] like Figures 1-3 As shown, the boiler gas leak monitoring system of this embodiment includes a tooling bracket 10 and a gas detector 20. The tooling bracket 10 is used to install the gas detector 20 above the gas leak location that needs to be detected in the old boiler, so as to detect gas leaks at fixed locations, in order to meet the needs of safe production and meet the requirements of gas safety standards.

[0028] In this application, for older boilers, the key locations for gas leak detection generally include the burner head 31 on the boiler burner 30. Gas may leak from other connection points between the burner head 31 and the boiler burner 30, such as the connection between the burner head 31 and the injection pipe, or the connection between the burner head 31 and the gas inlet pipe 32. Therefore, the burner head 31 is a key location for monitoring. In addition, gas leaks may also occur in the gas inlet pipe 32 connecting the boiler burner 30, especially for older boilers. Older boilers mostly use gas inlet pipes 32 laid on the ground or buried underground, and the shut-off valve 33 on the gas inlet pipe 32 is a key location for monitoring.

[0029] Specifically, the tooling bracket 10 includes a vertical rod 11 and two horizontal rods 12. The two horizontal rods 12 are horizontally installed on the vertical rod 11. The vertical rod 11 is used to allow the horizontal rods to be installed at a certain height to facilitate the monitoring of the gas leak locations that need to be detected in the old-style boiler. The two horizontal rods 12 extend toward the gas leak locations that need to be detected in the old-style boiler. Gas detectors 20 are installed at the ends of the two horizontal rods 12 away from the vertical rod 11. The gas detectors 20 are used to detect gas leaks from above the burner head 31 on the boiler burner 30 and above the shut-off valve 33 on the gas inlet pipe 32.

[0030] In other embodiments, more than two crossbars 12 may be provided to detect more fixed positions.

[0031] The gas detector 20 is a point-type gas detector, which is small in size, has a significant cost advantage per point, and requires less capital investment. It can perform small-scale fixed-point monitoring for the monitoring system of this application, can quickly detect local leaks, and has a short response time. Moreover, whether it is a wireless or wired point-type gas detector, its power consumption is low. The wireless type can work continuously for several months, reducing the frequency of maintenance.

[0032] The monitoring system of this application extends the gas detector 20 above the gas leak location that needs to be detected in the old boiler through the vertical rod 11 and horizontal rod 12 of the tooling bracket 10. It can perform small-range fixed-point monitoring of the burner head 31 and the shut-off valve 33 on the gas inlet pipe 32 of the old boiler. The overall installation and maintenance costs are low, and it can quickly and efficiently detect local leaks. It is suitable for long-term, fixed-point monitoring of gas leak problems in old boilers.

[0033] Example 2

[0034] Based on Embodiment 1, the bottom end of the vertical rod 11 is mounted on the ground via a base, for example, the bottom end of the vertical rod 11 can be fixed to the ground by bolts.

[0035] Example 3

[0036] Based on Embodiment 1, the difference between this embodiment and Embodiment 2 is that the bottom end of the vertical rod 11 is installed on the flue gas inlet pipe 34. Specifically, the flue gas inlet pipe 34 is connected to the boiler burner. The flue gas inlet pipe 34 is used for flue gas recirculation of the boiler burner. The flue gas inlet pipe 34 and the gas inlet pipe 32 are installed on the boiler burner 30 from the same side. The bottom end of the vertical rod 11 is installed on the flue gas inlet pipe 34.

[0037] In this embodiment, the flue gas inlet pipe 34 is provided with a connecting flange 35, and a vertical rod base 14 is installed on the connecting flange 35. The vertical rod base 14 can be installed on the connecting flange 35 by welding or bolting, and the bottom end of the vertical rod 11 is installed on the vertical rod base 14. For example, in practical applications, the flue gas inlet pipe 34 is provided with a gas sensor for detecting the gas content in the pipe. The gas sensor needs to be installed on a sensor bracket, which can be used as the vertical rod base 14.

[0038] In other embodiments, the vertical rod 11 may also be mounted on the gas intake pipe 32.

[0039] Example 4

[0040] Based on the above embodiments, the vertical rod 11 and the horizontal rod 12 are made of structural steel and are connected by welding, allowing the vertical rod 11 and the horizontal rod 12 to be installed on the vertical rod 11 at different heights and in different directions. Specifically, the end of the horizontal rod 12 connected to the vertical rod 11 has a notch adapted to the shape of the side wall surface of the vertical rod 11. The notch allows the end of the horizontal rod 12 to be welded to the horizontal rod 12 in any orientation. The shape of the notch can be cut according to the required orientation angle of the horizontal rod 12 based on the shape of the side wall of the vertical rod 11, and then the notch is fully welded to the vertical rod 11. The two horizontal rods 12 are installed at different heights on the vertical rod 11 to adapt to the height of different detection positions according to the monitoring interval required by the gas detector 20.

[0041] In addition, the monitoring system also includes an alarm. The wiring of the gas detector 20 passes through the interior of the vertical pole 11, the interior of the horizontal pole 12, and the conduit 13, and is connected to the alarm. One end of the conduit 13 is installed at the top of the vertical pole 11, and the body of the conduit 13 is installed on the roof and walls of the boiler room. The conduit can effectively protect the wiring. When the gas detector detects a gas leak, it can sound an alarm through the alarm.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it; although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this utility model or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the technical solution claimed by this utility model.

Claims

1. A boiler gas leak monitoring system, characterized in that, The fixture includes a tooling bracket (10) and a gas detector (20). The tooling bracket (10) includes a vertical rod (11) and a horizontal rod (12). The two horizontal rods (12) are horizontally mounted on the vertical rod (11). The gas detector (20) is installed at the ends of the two horizontal rods (12) away from the vertical rod (11). The gas detector (20) is used to detect gas leaks from above the burner head (31) on the boiler burner (30) and above the shut-off valve (33) on the gas inlet pipe (32).

2. The boiler gas leakage monitoring system according to claim 1, characterized in that, The boiler burner is connected to a flue gas inlet pipe (34), and the flue gas inlet pipe (34) and the gas inlet pipe (32) are installed on the boiler burner (30) from the same side. The bottom end of the vertical rod (11) is installed on the flue gas inlet pipe (34).

3. The boiler gas leakage monitoring system according to claim 2, characterized in that, The flue gas inlet pipe (34) is provided with a connecting flange (35), and a vertical rod base (14) is installed on the connecting flange (35). The bottom end of the vertical rod (11) is installed on the vertical rod base (14).

4. The boiler gas leakage monitoring system according to claim 1, characterized in that, The bottom end of the vertical rod (11) is installed on the ground.

5. The boiler gas leakage monitoring system according to claim 1, characterized in that, The vertical rod (11) and the horizontal rod (12) are made of structural steel and are connected by welding.

6. The boiler gas leakage monitoring system according to claim 5, characterized in that, The end of the crossbar (12) connected to the vertical bar (11) is provided with a notch adapted to the shape of the side wall surface of the vertical bar (11), and the notch allows the end of the crossbar (12) to be welded to the crossbar (12) in any orientation.

7. The boiler gas leakage monitoring system according to claim 1, characterized in that, The two horizontal bars (12) are installed at different heights on the vertical bar (11).

8. The boiler gas leakage monitoring system according to claim 1, characterized in that, The monitoring system also includes an alarm, with a conduit (13) installed at the top of the vertical pole (11). The gas detector (20) has a line passing through the inside of the vertical pole (11), the inside of the horizontal pole (12), and the conduit (13), and is connected to the alarm.

9. The boiler gas leakage monitoring system according to claim 8, characterized in that, The conduit (13) is installed on the roof and walls of the boiler room.

10. The boiler gas leakage monitoring system according to claim 1, characterized in that, The gas detector (20) is a point-type gas detector.

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