Flame monitoring device adapting to severe environment

Abstract

The utility model relates to the technical field of flame monitoring devices, and discloses a flame monitoring device adapting to a severe environment, which comprises a boiler furnace, a novel tungsten-cobalt alloy protective sleeve is fixedly mounted on one side of the boiler furnace, and high-precision pressure gauges are fixedly mounted at two ends of the surface of the novel tungsten-cobalt alloy protective sleeve. According to the utility model, through the arrangement of the novel tungsten-cobalt alloy protective sleeve, the inside of the sleeve is wear-resistant, pressure-resistant and high-temperature-resistant, through the arrangement of the high-precision pressure gauge, the effects of monitoring the pressure of a cooling and purging air source in situ, accurately measuring and truly reflecting the actual pressure value of the air source are achieved, and through the arrangement of the intelligent alarm differential pressure switch, the pressure of the cooling and purging air source can be monitored. Therefore, when the air source passes through the efficient air filter and the pressure difference value of the air sources on the two sides exceeds a specified value, an alarm is given in time, maintenance personnel are reminded to replace the filter element in time, and the situation that due to blockage of the filter element, the pressure of the air source behind the efficient air filter is low, and safe work of a flame monitoring device is affected can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of flame monitoring devices, in particular to a flame monitoring device adaptable to harsh environments. Background Art

[0002] The traditional boiler burner flame monitoring device works in the furnace for a long time. Due to design and other reasons, the device is prone to burnout. When the cooling purge gas source pressure is low or contains impurities such as oil and water, the convex lens of the burner flame monitoring probe becomes dirty, coked or dusty, affecting the flame monitoring probe signal and failing to accurately monitor the real-time combustion status of the boiler burner. Therefore, a flame monitoring device that adapts to harsh environments and high temperatures is specially designed.

[0003] The existing flame monitoring device is not convenient for the wear resistance, pressure resistance and high temperature resistance of the inner part of the casing and the true and accurate reflection of the actual gas source pressure value, and is also not convenient for cooling and purge pressure requirements, etc. Therefore, the utility model provides a flame monitoring device suitable for harsh environments. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies of the prior art, the utility model provides a flame monitoring device adapted to harsh environments, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model provides the following technical solutions: a flame monitoring device adapted to harsh environments, comprising a boiler furnace, one side of the boiler furnace being fixedly mounted with a new tungsten-cobalt alloy protective sleeve, both ends of the surface of the new tungsten-cobalt alloy protective sleeve being fixedly mounted with high-precision pressure gauges, and one side of the high-precision pressure gauge being fixedly mounted with an intelligent alarm differential pressure switch.

[0008] Preferably, an explosion-proof pressure regulating valve is fixedly installed on one end of the novel tungsten-cobalt alloy protective sleeve, and an adjustable cooling and purge air source device is fixedly installed on the inner side wall of the novel tungsten-cobalt alloy protective sleeve.

[0009] Preferably, a high-efficiency air filter is fixedly installed on one side of the adjustable cooling and purge air source device, and an automatic retractable power source with a protective function is fixedly installed on one side of the high-efficiency air filter.

[0010] Preferably, a hinge is fixedly installed on the upper surface of the automatic telescopic power source with a protective function, and a monitoring device is fixedly installed on one end of the hinge.

[0011] Preferably, a new type of wear-resistant and high-temperature resistant convex lens is fixedly installed on the other end of the monitoring device, and a groove is provided on the other side of the automatic telescopic power source with protective function.

[0012] Preferably, a support plate is fixedly mounted on the inner bottom of the groove, and an adjustable cleaning motor is fixedly mounted on the upper surface of the support plate.

[0013] Preferably, the output end of the adjustable cleaning motor is connected to a rotating rod, and a foldable cleaning brush is fixedly mounted on the surface of the rotating rod.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a flame monitoring device adapted to harsh environments, which has the following beneficial effects:

[0016] The utility model provides a novel tungsten-cobalt alloy protective sleeve, thereby achieving the effects of wear resistance, pressure resistance and high temperature resistance inside the sleeve, and provides a high-precision pressure gauge, thereby achieving the effect of locally monitoring the pressure of the cooling and purge gas source, accurately measuring and truly reflecting the actual gas source pressure value.

[0017] The utility model sets an intelligent alarm differential pressure switch, thereby playing a role in that when the gas source passes through the high-efficiency air filter and the pressure difference of the gas sources on both sides exceeds a specified value, an alarm is promptly sounded, and the maintenance personnel are reminded to replace the filter element in time, which can prevent the low gas source pressure behind the high-efficiency air filter caused by the clogging of the filter element, thereby affecting the safe operation of the flame monitoring device.

[0018] The utility model provides an explosion-proof pressure regulating valve, thereby achieving flexible and changeable regulation, and can adjust the cooling and purge pressure behind the high-efficiency air filter in real time, thereby ensuring the stable pressure behind the high-efficiency air filter.

[0019] The utility model can meet the cooling and purging pressure requirements by setting the adjustable cooling and purging air source device, greatly improves the applicability, and can prevent the flame monitoring device probe from being burned by high temperature when the air source pressure is low.

[0020] The utility model has high filtering accuracy through the arrangement of a high-efficiency air filter, can filter oil, water and other impurities in the cooling and purge air source, greatly improves the cleanliness of the purge air source, and ensures the safe and reliable operation of the flame monitoring device.

[0021] The utility model is provided with an automatic telescopic power source with a protective function. The material is a high chromium alloy which is resistant to high temperature, wear and corrosion. After use, the convex lens can be automatically driven to extend into and withdraw from the furnace. When the wall temperature of the boiler burner is high, the hinge drives the telescopic power source to automatically withdraw, thereby protecting the flame monitoring device from being damaged by high temperature.

[0022] The utility model is provided with a hinge, which can flexibly drive the telescopic power source to automatically enter or exit the furnace after use. The utility model is provided with a novel wear-resistant and high-temperature resistant convex lens, and the silicon carbide material of the utility model is wear-resistant, pressure-resistant and high-temperature resistant.

[0023] The utility model can start in real time through the setting of the adjustable cleaning motor. The cleaning motor drives the folding cleaning brush to clean the convex lens in time to ensure the cleanliness of the convex lens. At the same time, a time relay is installed in the cleaning motor control circuit to automatically clean the convex lens. The folding cleaning brush is usually in a folded state and automatically opens when in use, so the cleaning is flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0026] Figure 3 For this utility model Figure 2 A magnified view of the structure in the middle.

[0027] In the figure:

[0028] 1. Boiler furnace; 2. New tungsten-cobalt alloy protective casing; 3. High-precision pressure gauge; 4. Intelligent alarm differential pressure switch; 5. Explosion-proof pressure regulating valve; 6. Adjustable cooling and purge air source device; 7. High-efficiency air filter; 8. Automatic telescopic power source with protection function; 9. Hinge; 10. Monitoring device; 11. New wear-resistant and high-temperature resistant convex lens; 12. Groove; 13. Support plate; 14. Adjustable cleaning motor; 15. Rotating rod; 16. Folding cleaning brush. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-2The utility model provides a technical solution: a flame monitoring device adapted to harsh environments, comprising a boiler furnace 1, a new type of tungsten-cobalt alloy protective sleeve 2 is fixedly installed on one side of the boiler furnace 1, and the new type of tungsten-cobalt alloy protective sleeve 2 is provided to provide the inside of the sleeve with wear resistance, pressure resistance and high temperature resistance, and high-precision pressure gauges 3 are fixedly installed on both ends of the surface of the new type of tungsten-cobalt alloy protective sleeve 2. Through the provision of the high-precision pressure gauge 3, the pressure of the cooling and purge air source is monitored on-site, and the measurement is accurate, which truly reflects the actual air source pressure value. An intelligent alarm differential pressure switch 4 is fixedly installed on one side of the high-precision pressure gauge 3. Through the provision of the intelligent alarm differential pressure switch 4, when the air source passes through the high-efficiency air filter, when the pressure difference between the air sources on both sides exceeds the specified value, an alarm is given in time to remind the maintenance personnel to replace the filter element in time, and the low air source pressure after the high-efficiency air filter caused by the clogging of the filter element can be prevented, which affects the safe operation of the flame monitoring device.

[0031] An explosion-proof pressure regulating valve 5 is fixedly installed at one end of the new tungsten-cobalt alloy protective sleeve 2. Through the setting of the explosion-proof pressure regulating valve 5, the adjustment is flexible and changeable, and the cooling and purge pressure after the high-efficiency air filter can be adjusted in real time to ensure the stability of the pressure after the high-efficiency air filter. An adjustable cooling and purge air source device 6 is fixedly installed on the inner wall of the new tungsten-cobalt alloy protective sleeve 2. Through the setting of the adjustable cooling and purge air source device 6, the cooling and purge pressure requirements can be met, and the applicability is greatly improved, which can prevent the flame monitoring device probe from being burned by high temperature when the air source pressure is low. A high-efficiency air filter 7 is fixedly installed on one side of the adjustable cooling and purge air source device 6. Through the setting of the high-efficiency air filter 7, the filtering accuracy is high, and the oil, water and other impurities in the cooling and purge air source can be filtered, which greatly improves the cleanliness of the purge air source and ensures the safe and reliable operation of the flame monitoring device.

[0032] An automatic telescopic power source 8 with a protective function is fixedly installed on one side of the high-efficiency air filter 7. Through the setting of the automatic telescopic power source 8 with a protective function, a high-chromium alloy material is selected, which is resistant to high temperature, wear and corrosion. After use, it can automatically drive the convex lens to extend into and exit the furnace; when the wall temperature of the boiler burner is high, the hinge drives the telescopic power source to automatically withdraw, thereby protecting the flame monitoring device from being damaged by high temperature. A hinge 9 is fixedly installed on the upper surface of the automatic telescopic power source 8 with a protective function. Through the setting of the hinge 9, the telescopic power source can be flexibly driven to automatically enter or exit the furnace after use. A monitoring device 10 is fixedly installed at one end of the hinge 9.

[0033] like Figure 3As shown, a new type of wear-resistant and high-temperature resistant convex lens 11 is fixedly installed at the other end of the monitoring device 10. Through the setting of the new type of wear-resistant and high-temperature resistant convex lens 11, this type of silicon carbide material has the effects of wear resistance, pressure resistance and high temperature resistance. A groove 12 is opened on the other side of 8, and a support plate 13 is fixedly installed on the inner bottom of the groove 12. An adjustable cleaning motor 14 is fixedly installed on the upper surface of the support plate 13. Through the setting of the adjustable cleaning motor 14, it can be started in real time. The cleaning motor drives the folding cleaning brush to clean the convex lens in time to ensure the cleanliness of the convex lens sheet. At the same time, a time relay is added to the cleaning motor control circuit to automatically clean the convex lens. The output end of the adjustable cleaning motor 14 is connected to a rotating rod 15, and a folding cleaning brush 16 is fixedly installed on the surface of the rotating rod 15. Through the setting of the folding cleaning brush 16, it is usually in a folded state and automatically opens when used, which is flexible for cleaning.

[0034] In summary, the flame monitoring device adapted to harsh environments uses a new type of tungsten-cobalt alloy protective sleeve 2 to make the inside of the sleeve wear-resistant, pressure-resistant and high-temperature-resistant, uses a high-precision pressure gauge 3 to monitor the pressure of the cooling and purge gas source on-site, and the measurement is accurate and truly reflects the actual gas source pressure value, and uses an intelligent alarm differential pressure switch 4 to promptly alarm when the gas source passes through the high-efficiency air filter and the pressure difference between the gas sources on both sides exceeds the specified value, reminding maintenance personnel to replace the filter element in time, which can prevent the low gas source pressure after the high-efficiency air filter caused by filter element blockage, affecting the safe operation of the flame monitoring device, and using an explosion-proof pressure regulating valve 5 to adjust flexibly and changeably, and can adjust the cooling and purge pressure after the high-efficiency air filter in real time to ensure the stability of the pressure after the high-efficiency air filter, and using an adjustable cooling and purge gas source device 6 to meet the cooling and purge pressure requirements, and the applicability is greatly improved, which can prevent the flame monitoring device probe from being damaged by high temperature when the gas source pressure is low, and using a high-efficiency air filter 7 with high filtration accuracy can filter the cooling But it can purge oil, water and other impurities in the gas source, greatly improve the cleanliness of the purge gas source, and ensure the safe and reliable operation of the flame monitoring device. The automatic retractable power source 8 with protection function is made of high chromium alloy, which is resistant to high temperature, wear and corrosion. After use, it can automatically drive the convex lens to extend into and exit the furnace; when the wall temperature of the boiler burner is high, the hinge drives the retractable power source to automatically withdraw to protect the flame monitoring device from being burned by high temperature. The hinge 9 is used to flexibly drive the retractable power source to automatically enter or exit the furnace. The new wear-resistant and high-temperature resistant convex lens 11 is made of silicon carbide, which is wear-resistant, pressure-resistant and high-temperature resistant. The adjustable cleaning motor 14 can be started in real time. The cleaning motor drives the folding cleaning brush to clean the convex lens in time to ensure the cleanliness of the convex lens. At the same time, a time relay is installed in the cleaning motor control circuit to automatically clean the convex lens. The folding cleaning brush 16 is usually in a folded state and automatically opens for flexible cleaning when used.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flame monitoring device adapted to harsh environments, comprising a boiler furnace (1), characterized in that: A new type of tungsten-cobalt alloy protective sleeve (2) is fixedly installed on one side of the boiler furnace (1), high-precision pressure gauges (3) are fixedly installed on both ends of the surface of the new type of tungsten-cobalt alloy protective sleeve (2), and an intelligent alarm differential pressure switch (4) is fixedly installed on one side of the high-precision pressure gauge (3).

2. A flame monitoring device adapted to harsh environments according to claim 1, characterized in that: An explosion-proof pressure regulating valve (5) is fixedly mounted on one end of the novel tungsten-cobalt alloy protective sleeve (2), and an adjustable cooling and purge air source device (6) is fixedly mounted on the inner side wall of the novel tungsten-cobalt alloy protective sleeve (2).

3. A flame monitoring device adapted to harsh environments according to claim 2, characterized in that: A high-efficiency air filter (7) is fixedly mounted on one side of the adjustable cooling and purge air source device (6), and an automatic telescopic power source (8) with a protective function is fixedly mounted on one side of the high-efficiency air filter (7).

4. A flame monitoring device adapted to harsh environments according to claim 3, characterized in that: A hinge (9) is fixedly mounted on the upper surface of the automatic telescopic power source (8) with a protective function, and a monitoring device (10) is fixedly mounted on one end of the hinge (9).

5. A flame monitoring device adapted to harsh environments according to claim 4, characterized in that: A new type of wear-resistant and high-temperature resistant convex lens (11) is fixedly mounted on the other end of the monitoring device (10), and a groove (12) is provided on the other side of the automatic telescopic power source (8) with a protective function.

6. A flame monitoring device adapted to harsh environments according to claim 5, characterized in that: A support plate (13) is fixedly mounted on the inner bottom of the groove (12), and an adjustable cleaning motor (14) is fixedly mounted on the upper surface of the support plate (13).

7. A flame monitoring device adapted to harsh environments according to claim 6, characterized in that: The output end of the adjustable cleaning motor (14) is connected to a rotating rod (15), and a foldable cleaning brush (16) is fixedly mounted on the surface of the rotating rod (15).

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