Cooling system for auxiliary combustor of incinerator
By introducing a cooling system controlled by an oil injection gun, a heat pipe and an air door into the auxiliary burner of the incinerator, the problem of auxiliary burner damage due to high temperature is solved, and the effect of reducing energy consumption and stabilizing combustion is achieved.
Patent Information
- Application Number
- CN202422635801.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The auxiliary burner of the incinerator was burned red by the high-temperature flue gas radiation due to the lack of cooling equipment, which caused damage to the auxiliary burner. In addition, starting the auxiliary combustion fan consumed a lot of electricity, resulting in poor economic operation.
A cooling system for an auxiliary burner in an incinerator is designed, including an oil filling gun, an ignition needle, an air outlet, a heat pipe, a combustion-supporting component, and a furnace wall cooling fan. Through pipe connection and damper control, the heat pipe is used to remove the heat from the oil filling gun, and the combustion-supporting component and cooling fan are combined to reduce energy consumption.
It effectively reduces the energy consumption of the auxiliary burner, prevents high temperature damage, ensures the stable operation of the incinerator, reduces electricity consumption and improves economic benefits.
Smart Images
Figure CN223375812U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of auxiliary burners, in particular to a cooling system for an auxiliary burner of an incinerator. Background Art
[0002] Currently, the most scientific and rational method for waste disposal is to sort and classify waste, recycling and reusing recyclable materials and incinerating non-recyclable waste. However, it should be noted that my country's municipal waste contains a large proportion of non-combustible components, low calorific value, and high moisture content. Furthermore, waste composition varies by region, season, urban consumption level, and year. Therefore, waste incineration equipment must be highly adaptable to changes in waste composition (especially moisture and calorific value). It must be able to make timely and effective adjustments to the combustion process based on fluctuations in waste composition to ensure timely ignition and stable combustion. Therefore, during the waste incineration process, both an ignition burner and an auxiliary burner must be used to ensure stable operation throughout the entire process, ensuring that the flue gas temperature remains at 850°C for less than two seconds. Once the operating temperature in the furnace drops below 850°C, the auxiliary burner must be immediately activated to raise the furnace temperature and maintain stable combustion.
[0003] Because the incinerator's auxiliary burner lacks cooling equipment, the high-temperature flue gas inside radiates heat to temperatures exceeding 200 degrees Celsius. This often causes the burner to burn red hot, necessitating the activation of the auxiliary combustion fan to cool it down. The motor power required to activate the auxiliary combustion fan is relatively high, consuming approximately 40 kW per hour. Running the auxiliary combustion fan for extended periods is detrimental to economical operation and wastes plant electricity. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a cooling system for an auxiliary burner of an incinerator.
[0005] The purpose of the utility model can be achieved through the following technical solutions: an incinerator auxiliary burner cooling system, including an oil filling gun; an ignition needle, arranged on one side of the oil filling gun; an air outlet, arranged on the other side of the oil filling gun and connected to the furnace; a heat conduction pipe, wrapped around the outside of the oil filling gun and the air outlet; a combustion-supporting component, used to accelerate the combustion and temperature rise of garbage; a furnace wall cooling fan, connected to the furnace through a first pipe; a second pipe, one end of which is connected to the first pipe and the other end is connected to the air outlet; and a damper installed on the second pipe.
[0006] Preferably, a sensor for detecting the temperature of the grease gun is provided on one side of the grease gun.
[0007] Preferably, the combustion-supporting component includes a combustion-supporting blower, and the combustion-supporting blower is connected to the air outlet through a third pipe.
[0008] Preferably, both the first pipeline and the third pipeline are provided with a check valve.
[0009] Preferably, non-metallic compensators are provided on the second pipeline and the third pipeline.
[0010] The beneficial effect of the utility model is as follows: the utility model provides a second pipe connected to the air outlet on the first pipe, and installs a damper on the second pipe. By opening the damper, the cooling air of the furnace wall cooling fan is introduced into the air outlet, and the temperature on the grease gun is taken away through the heat conduction pipe, thereby effectively reducing the energy consumption when cooling the grease gun and preventing the grease gun from being burned by radiation of high-temperature flue gas. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The present invention is further described with reference to the accompanying drawings. However, the embodiments in the accompanying drawings do not constitute any limitation to the present invention. A person skilled in the art can obtain other drawings based on the following drawings without creative effort.
[0012] Figure 1 This is a structural schematic diagram of a cooling system for an auxiliary burner of an incinerator according to the present utility model.
[0013] Figure 2 for Figure 1 Partial view at point A in the middle.
[0014] The numbers shown in the figure represent: 1. Grease gun; 2. Ignition needle; 3. Air outlet; 4. Heat transfer pipe; 5. Combustion-supporting fan; 6. Third pipeline; 7. Furnace wall cooling fan; 8. First pipeline; 9. Second pipeline; 10. Air damper; 11. Sensor; 12. Check valve; 13. Non-metallic compensator. DETAILED DESCRIPTION
[0015] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), such directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0016] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features specified as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
[0017] The following will be combined with specific embodiments to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.
[0018] See Figures 1 to 2 As shown, the structure of the utility model is as follows: an auxiliary burner cooling system for an incinerator, including an oil filling gun 1; an ignition needle 2, which is arranged on one side of the oil filling gun 1; an air outlet 3, which is arranged on the other side of the oil filling gun 1 and is connected to the furnace; a heat conduction pipe 4, which is wrapped around the outside of the oil filling gun 1 and the air outlet 3; a combustion-supporting component for accelerating the combustion and heating of garbage; a furnace wall cooling fan 7, which is connected to the furnace through a first pipe 8; a second pipe 9, one end of which is connected to the first pipe 8 and the other end of which is connected to the air outlet 3; a damper 10, which is installed on the second pipe 9. Specifically, the furnace When the operating temperature in the furnace is lower than 850℃, the oil filling gun 1 starts to spray oil, which is then ignited through the ignition needle 2. At the same time, the combustion-supporting component starts to work to accelerate the increase in the temperature in the furnace to ensure that the flue gas temperature remains at 850℃ within 2 seconds. When the operating temperature in the furnace is higher than 850℃, the oil filling gun 1 and the combustion-supporting component stop working, and the air door 10 is opened to introduce the cooling air from the furnace wall cooling fan 7 into the air outlet 3, and then take away the temperature on the oil filling gun 1 through the heat pipe 4, effectively reducing the energy consumption when cooling the oil filling gun 1 and preventing the high-temperature flue gas from radiating and burning the oil filling gun 1.
[0019] like Figure 2 As shown, a sensor 11 for detecting the temperature of the grease gun 1 is provided on one side of the grease gun 1. Specifically, when the operating temperature in the chamber is higher than 850°C, the grease gun 1 stops working. The sensor 11 detects the temperature of the grease gun 1 and controls the opening of the damper 10 according to the temperature of the grease gun 1. When the temperature is high, the damper 10 is opened wide, and when the temperature is low, the damper 10 is closed narrowly.
[0020] like Figure 1As shown, the combustion-supporting component includes a combustion-supporting fan 5, which is connected to the air outlet 3 through a third pipe 6. Specifically, when the oil gun 1 is working, the combustion-supporting fan 5 sends air into the air outlet 3 through the third pipe 6, and the air then enters the furnace through the air outlet 3. When the air passes through the air outlet 3, the heat pipe 4 conducts the temperature on the oil gun 1 to the air outlet 3, thereby heating the air passing through the air outlet 3, and blowing out high-temperature air from the air outlet 3, which can not only make the garbage come into contact with more air during the combustion process, but also use the heated air to further increase the temperature in the incinerator, which is conducive to the full combustion of the garbage and reduces the generation of harmful substances.
[0021] like Figure 1 As shown, the first pipe 8 and the third pipe 6 are both provided with a check valve 12. Specifically, the check valve 12 is used to prevent the high-temperature air in the furnace from flowing back, thereby preventing the high-temperature air from damaging the combustion-supporting fan 5 and the furnace wall cooling fan 7.
[0022] like Figure 1 As shown, non-metallic compensators 13 are provided on the second pipe 9 and the third pipe 6. Specifically, the non-metallic compensators 13 are used to compensate for the thermal expansion of the second pipe 9 and the third pipe 6, absorb installation errors, reduce vibration and noise, and withstand the thrust generated by internal pressure.
[0023] When in use, when the operating temperature in the furnace is lower than 850℃, the oil injection gun 1 starts to spray oil, which is then ignited through the ignition needle 2. At the same time, the combustion-supporting fan 5 sends air into the air outlet 3 through the third pipe 6. The air then enters the furnace through the air outlet 3. When the air passes through the air outlet 3, the heat pipe 4 transfers the temperature on the oil injection gun 1 to the air outlet 3, thereby heating the air passing through the air outlet 3. The high-temperature air is blown out from the air outlet 3, which can not only make the garbage contact with more air during the combustion process, but also use the heated air to heat the garbage. The gas further increases the temperature in the incinerator, helps to fully burn the garbage, and reduces the generation of harmful substances. It is used to accelerate the increase of the temperature in the furnace to ensure that the flue gas temperature remains at 850°C within 2 seconds. When the operating temperature in the furnace is higher than 850°C, the oil filling gun 1 and the combustion-supporting component stop working, and the air door 10 is opened to introduce the cooling air of the furnace wall cooling fan 7 into the air outlet 3, and then take away the temperature on the oil filling gun 1 through the heat pipe 4, effectively reducing the energy consumption when cooling the oil filling gun 1 and preventing the high-temperature flue gas from radiating and burning the oil filling gun 1.
[0024] The above further describes the present invention with the help of specific embodiments, but it should be understood that the specific description here should not be construed as limiting the essence and scope of the present invention. Various modifications made to the above embodiments by ordinary technicians in this field after reading this specification are all within the scope of protection of the present invention.
Claims
1. An incinerator auxiliary burner cooling system, characterized by: Including a grease gun (1); An ignition needle (2) is arranged on one side of the grease gun (1); An air outlet (3) is provided on the other side of the oil filling gun (1) and is connected to the furnace; A heat conducting pipe (4) is wound around the outside of the oil filling gun (1) and the air outlet (3); Combustion-supporting components, used to accelerate the burning temperature of garbage; A furnace wall cooling fan (7) is connected to the furnace through a first pipe (8); a second pipe (9), one end of which is in communication with the first pipe (8) and the other end of which is in communication with the air outlet (3); The damper (10) is mounted on the second pipe (9).
2. The incinerator auxiliary burner cooling system according to claim 1, characterized in that: A sensor (11) for detecting the temperature of the grease gun (1) is provided on one side of the grease gun (1).
3. The incinerator auxiliary burner cooling system according to claim 1, characterized in that: The combustion-supporting component comprises a combustion-supporting blower (5), and the combustion-supporting blower (5) is connected to the air outlet (3) via a third pipe (6).
4. The incinerator auxiliary burner cooling system according to claim 3, characterized in that: The first pipeline (8) and the third pipeline (6) are both provided with a check valve (12).
5. The incinerator auxiliary burner cooling system according to claim 3, characterized in that: The second pipe (9) and the third pipe (6) are both provided with non-metallic compensators (13).