Novel high-precision boiler air distribution adjusting device
By installing a transmission shaft, fan blade and filter inside the protective shell of the boiler air distribution device, the problem of external impurities affecting the operation of the device is solved, the air distribution efficiency and combustion efficiency are improved, and the operating cost is reduced.
Patent Information
- Application Number
- CN202421699612.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-17
AI Technical Summary
When there are too many external impurities in the existing boiler air distribution device, it is easy to cause abnormal operation of the internal driving equipment and it is difficult to effectively intercept and filter larger impurities.
A new high-precision air conditioning device for adjusting boiler air distribution is designed. By setting a transmission shaft and fan blade inside the protective shell, combining the filter net and fixing bolts, the range of the air outlet is reduced, the working efficiency of air distribution is improved, and the sliding filter net avoids impurities falling, ensuring the normal operation of the transmission shaft and fan blade.
It improves the working efficiency of the equipment when matching air, ensures full mixing of fuel and air, improves combustion efficiency, reduces the ignition temperature of the fuel, accelerates the combustion speed, improves the thermal efficiency of the entire boiler system, and reduces incomplete combustion of fuel, saves fuel consumption, and reduces operating costs.
Smart Images

Figure CN223005006U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of boiler air distribution devices, in particular to a new type of device for accurately adjusting boiler air distribution with high precision. Background Art
[0002] The boiler air distribution device is an important part of the boiler combustion system. Its function is to provide an appropriate amount of air during the combustion process to ensure the full combustion of fuel and minimize the emission of harmful substances. The design and operating efficiency of the air distribution device directly affect the thermal efficiency and emission indicators of the boiler. The boiler air distribution device is usually divided into a primary air system and a secondary air system. The primary air is mainly used to transport pulverized coal to the burner, while the secondary air is used to supplement the air required for combustion. Together, they determine the combustion effect of the fuel. The structure of the air distribution device includes multiple components such as a fan, air ducts, dampers, and air boxes.
[0003] In an existing new type of device for accurately adjusting boiler air distribution with high precision, when the device is in use, air is inhaled at the air inlet of the device for a long time. When there are too many impurities mixed in the outside air, it is easy to cause abnormal operation of the internal driving device, and it is not convenient for the staff to intercept and filter large impurities from the outside. Summary of the Utility Model
[0004] To solve the above technical problems, the utility model provides a new type of device for accurately adjusting boiler air distribution with high precision.
[0005] The utility model is realized by the following technical solutions: A new type of device for accurately adjusting boiler air distribution with high precision includes a bottom support frame. A connecting plate is welded to the top of the bottom support frame, and a motor is fixedly connected to the top of the connecting plate. A first pulley is fixedly connected to the output end of the motor.
[0006] A support bottom plate is welded to the top of the bottom support frame. A protective housing is fixedly connected to the top of the support bottom plate. A filter screen is slidably connected inside the protective housing. An installation shell is threadedly connected to the protective housing. A fixing bolt is threadedly connected inside the installation shell. An installation hole is opened on the front of the installation shell. A transmission shaft is fixedly connected inside the protective housing, and a fan blade is welded to the surface of the transmission shaft.
[0007] Through the above technical solutions, the number of fan blades is set to several.
[0008] As a further improvement of the above solution, a belt is connected to the surface of the first pulley by a belt, and a second pulley is connected to the inner wall of the belt by a belt. The second pulley is fixedly connected to the surface of the protective housing.
[0009] As a further improvement of the above solution, the motor is arranged at the left end of the protective housing, the motor is arranged at the left end of the support base plate, and the connecting plate is arranged at the left end of the support base plate.
[0010] As a further improvement of the above solution, the front of the protective housing is threadedly connected with fixing bolts, and the mounting holes are arranged on the front of the protective housing.
[0011] Through the above technical solution, the number of mounting holes is set to several, and pipes with different diameters can be connected and fixed.
[0012] As a further improvement of the above solution, a fan blade is arranged at the bottom end of the filter screen, an installation shell is arranged on the front of the fan blade, and an installation shell is arranged on the front of the transmission shaft.
[0013] As a further improvement of the above solution, a second pulley is arranged at the rear end of the protective housing, and a belt is arranged at the rear end of the protective housing.
[0014] As a further improvement of the above solution, an installation shell is arranged on the front of the fan blade.
[0015] As a further improvement of the above solution, an installation shell is arranged on the front of the transmission shaft.
[0016] As a further improvement of the above solution, a belt is arranged at the rear end of the motor.
[0017] As a further improvement of the above solution, a bottom support frame is arranged at the bottom end of the motor.
[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0019] When the transmission shaft inside the protective housing of the present utility model cooperates with the transmission of the second pulley, it drives the fan blade to rotate inside the protective housing, and then cooperates with the installation of the installation shell and the fixing bolts to be fixed to the front of the protective housing, so as to narrow the range of the air outlet, improve the working efficiency of the equipment during air distribution, and avoid a large amount of impurities from falling through the air inlet at the top of the protective housing by arranging the filter screen that slides inside the protective housing, thereby ensuring the normal operation of the transmission shaft and the fan blade inside the protective housing.
[0020] The present utility model can drive the transmission shaft and the fan blade inside the protective housing by setting a motor to cooperate with the first pulley to drive the belt and the second pulley. By setting the connecting plate at the bottom end of the motor, the support stability during startup can be achieved. By setting the equipment to have a reasonable air distribution, it can ensure the full mixing of fuel and air, thereby improving the combustion efficiency. Appropriate air distribution can reduce the ignition temperature of the fuel, accelerate the combustion speed, improve the energy conversion efficiency, and ultimately enhance the thermal efficiency of the entire boiler system.
[0021] By setting an appropriate amount of air volume, the accumulation of carbon monoxide caused by local lack of oxygen of the fuel in the combustion chamber can be prevented, thus avoiding potential safety hazards. By precisely controlling the ratio of the primary air and the secondary air, the incomplete combustion of the fuel can be reduced, fuel consumption can be saved, and operating costs can be lowered. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the overall structure of the present utility model;
[0023] Figure 2 It is a schematic diagram of the anatomical structure of the present utility model;
[0024] Figure 3 It is a schematic diagram of the rear view structure of the present utility model;
[0025] Figure 4 It is a schematic diagram of the bottom view structure of the present utility model;
[0026] Figure 5 It is a schematic diagram of the right view structure of the present utility model.
[0027] MAIN SYMBOL DESCRIPTION:
[0028] 1. Bottom support frame; 2. Connecting plate; 3. Motor; 4. First pulley; 5. Belt; 6. Second pulley; 7. Protection shell; 8. Filter screen; 9. Installation shell; 10. Fixing bolt; 11. Support bottom plate; 12. Installation hole; 13. Transmission shaft; 14. Fan blade. SPECIFIC EMBODIMENTS
[0029] Next, in combination with the drawings and specific embodiments, the present utility model will be further described. It should be noted that on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined with each other to form new embodiments.
[0030] Embodiment:
[0031] Please refer to Figures 1-5 , a novel device for precisely adjusting the air distribution of a boiler in this embodiment, includes a bottom support frame 1. A connecting plate 2 is welded to the top of the bottom support frame 1. A motor 3 is fixedly connected to the top of the connecting plate 2. A first pulley 4 is fixedly connected to the output end of the motor 3;
[0032] At the top of the bottom support frame 1, a support base plate 11 is welded. At the top of the support base plate 11, a protective housing 7 is fixedly connected. Inside the protective housing 7, a filter screen 8 is slidably connected. The protective housing 7 is threadedly connected with a mounting shell 9. Inside the mounting shell 9, a fixing bolt 10 is threadedly connected. On the front of the mounting shell 9, a mounting hole 12 is provided. Inside the protective housing 7, a transmission shaft 13 is fixedly connected. On the surface of the transmission shaft 13, a fan blade 14 is welded. When the transmission shaft 13 inside the protective housing 7 cooperates with the transmission of the second pulley 6, the fan blade 14 is driven to rotate inside the protective housing 7, and then it is installed and fixed to the front of the protective housing 7 by means of the mounting shell 9 and the fixing bolt 10, so as to narrow the range of the air outlet and improve the working efficiency of the equipment during air distribution. By setting the filter screen 8 that slides inside the protective housing 7, larger impurities can be prevented from falling from the air inlet at the top of the protective housing 7, thus ensuring the normal operation of the transmission shaft 13 and the fan blade 14 inside the protective housing 7.
[0033] The number of the fan blades 14 is set to several.
[0034] A belt 5 is connected to the surface of the first pulley 4. The inner wall of the belt 5 is connected to a second pulley 6. The second pulley 6 is fixedly connected to the surface of the protective housing 7.
[0035] The motor 3 is arranged at the left end of the protective housing 7 and at the left end of the support base plate 11. The connecting plate 2 is arranged at the left end of the support base plate 11. By setting an appropriate amount of air volume, the accumulation of carbon monoxide caused by local oxygen deficiency of the fuel in the combustion chamber can be prevented, thus avoiding potential safety hazards. By precisely controlling the ratio of the primary air and the secondary air, the incomplete combustion of the fuel can be reduced, fuel consumption can be saved, and operating costs can be lowered.
[0036] The front of the protective housing 7 is threadedly connected with a fixing bolt 10. The mounting hole 12 is provided on the front of the protective housing 7.
[0037] The number of the mounting holes 12 is set to several, which can connect and fix pipes with different diameters.
[0038] At the bottom end of the filter screen 8, there is a fan blade 14. By setting the motor 3 to cooperate with the first pulley 4 to drive the belt 5 and the second pulley 6, the transmission shaft 13 and the fan blade 14 inside the protective housing 7 can be driven. By setting the connecting plate 2 at the bottom end of the motor 3, the support stability during startup can be provided. By setting that the equipment has a reasonable air distribution to ensure the full mixing of the fuel and the air, the combustion efficiency can be improved. Appropriate air distribution can lower the ignition temperature of the fuel, accelerate the combustion speed, improve the energy conversion efficiency, and ultimately enhance the thermal efficiency of the entire boiler system.
[0039] At the rear end of the protective housing 7, there is a second pulley 6. At the rear end of the protective housing 7, there is a belt 5.
[0040] The front of the fan blade 14 is provided with a mounting shell 9.
[0041] The front of the transmission shaft 13 is provided with a mounting shell 9.
[0042] The rear end of the motor 3 is provided with a belt 5.
[0043] The bottom end of the motor 3 is provided with a bottom support frame 1.
[0044] The implementation principle of a new type of high-precision adjustable boiler air distribution device in the embodiment of the present application is as follows: Place the device in a suitable position. When the transmission shaft 13 inside the protective shell 7 cooperates with the transmission of the second pulley 6, it drives the fan blade 14 to rotate inside the protective shell 7, and then it is installed and fixed to the front of the protective shell 7 through the mounting shell 9 and the fixing bolts 10, reducing the range of the air outlet and improving the working efficiency of the device during air distribution. By setting the filter screen 8 that slides inside the protective shell 7, it can prevent larger impurities from falling from the air inlet at the top of the protective shell 7, thus ensuring the normal operation of the transmission shaft 13 and the fan blade 14 inside the protective shell 7. By setting the motor 3 to cooperate with the first pulley 4 to drive the belt 5 and the second pulley 6, it can drive the transmission shaft 13 and the fan blade 14 inside the protective shell 7. By setting the connecting plate 2 at the bottom end of the motor 3, it can support the stability during startup. By setting the device to reasonably distribute air, it ensures the full mixing of fuel and air, thereby improving the combustion efficiency. Appropriate air distribution can reduce the ignition temperature of the fuel, accelerate the combustion speed, and improve the energy conversion efficiency, ultimately enhancing the thermal efficiency of the entire boiler system. By setting an appropriate amount of air volume, it can prevent the accumulation of carbon monoxide caused by local oxygen deficiency of the fuel in the combustion chamber, thus avoiding potential safety hazards. By precisely controlling the ratio of primary air and secondary air, it can reduce the incomplete combustion of the fuel, save fuel consumption, and reduce the operating cost.
[0045] The above implementation manner is only the preferred implementation manner of the present utility model, and cannot be used to limit the protection scope of the present utility model. Any non-substantial changes and substitutions made by those skilled in the art based on the present utility model belong to the protection scope required by the present utility model.
Claims
1. A novel high-precision device for adjusting boiler air distribution, comprising a bottom support frame (1), a connecting plate (2) welded to the top of the bottom support frame (1), a motor (3) fixedly connected to the top of the connecting plate (2), and a first pulley (4) fixedly connected to the output end of the motor (3); It is characterized in that A supporting base plate (11) is welded to the top of the bottom support frame (1), a protective shell (7) is fixedly connected to the top of the supporting base plate (11), a filter screen (8) is slidably connected to the inside of the protective shell (7), a mounting shell (9) is threadedly connected to the protective shell (7), a fixing bolt (10) is threadedly connected to the inside of the mounting shell (9), a mounting hole (12) is provided on the front of the mounting shell (9), a transmission shaft (13) is fixedly connected to the inside of the protective shell (7), and a fan blade (14) is welded to the surface of the transmission shaft (13).
2. A novel high-precision boiler air distribution regulating device as claimed in claim 1, characterized in that: The surface belt of the first pulley (4) is connected to a belt (5), the inner wall belt of the belt (5) is connected to a second pulley (6), and the second pulley (6) is fixedly connected to the surface of the protective shell (7).
3. A novel high-precision boiler air distribution regulating device as claimed in claim 1, characterized in that: The motor (3) is arranged at the left end of the protective housing (7), the motor (3) is arranged at the left end of the supporting base plate (11), and the connecting plate (2) is arranged at the left end of the supporting base plate (11).
4. A novel high-precision boiler air distribution regulating device as claimed in claim 3, characterized in that: The front side of the protective shell (7) is threadedly connected with a fixing bolt (10), and the mounting hole (12) is provided on the front side of the protective shell (7).
5. A novel high-precision boiler air distribution regulating device as claimed in claim 1, characterized in that: The bottom end of the filter screen (8) is provided with a fan blade (14).
6. A novel high-precision boiler air distribution regulating device as claimed in claim 5, characterized in that: A second pulley (6) is provided at the rear end of the protective shell (7), and a belt (5) is provided at the rear end of the protective shell (7).
7. A novel high-precision boiler air distribution regulating device as claimed in claim 5, characterized in that: A mounting shell (9) is provided on the front side of the fan blade (14).
8. A novel high-precision boiler air distribution regulating device as claimed in claim 7, characterized in that: A mounting shell (9) is provided on the front side of the transmission shaft (13).
9. A novel high-precision boiler air distribution regulating device as claimed in claim 1, characterized in that: A belt (5) is provided at the rear end of the motor (3).
10. A novel high-precision boiler air distribution regulating device as claimed in claim 1, characterized in that: A bottom support frame (1) is provided at the bottom end of the motor (3).