Energy-saving fan system for boiler

Abstract

The utility model relates to the technical field of boiler fans, and discloses an energy-saving fan system for a boiler, the energy-saving fan system comprises a boiler main body and a controller, the upper surface of the boiler main body fixedly communicates with a connecting pipe, and the other end of the connecting pipe fixedly communicates with a first shell. According to the energy-saving draught fan system for the boiler, by arranging the air channel, the first sensor, the second sensor, the controller and other components, gas in the boiler body can be extracted through the connecting pipe, the first shell, the first motor and the first impeller, the gas is transmitted to the second shell through the air channel, and the gas is transmitted to the exhaust pipe through the second motor and the second impeller; the first sensor and the second sensor are arranged at the connecting positions between the pipelines, wind pressure is detected in real time, when the wind pressure is unstable, the controller adjusts the rotating speed of the first motor and the rotating speed of the second motor, efficient and energy-saving operation of the draught fan is achieved, the stacked buffering cushion is arranged between the mounting plate and the supporting plate, the buffering effect can be multiplied, noise and vibration can be reduced, and the service life of the draught fan is prolonged. And stable operation of the fan and the whole mounting rack is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of boiler fan, in particular to an energy-saving fan system for boiler. BACKGROUND

[0002] In the traditional boiler system, the induced draft fan and the desulfurization booster fan are usually operated independently. Although this configuration can meet the basic operation requirements, it has obvious shortcomings in energy consumption and operation efficiency. With the improvement of environmental protection requirements and the rise of energy costs, how to optimize the operation mode of the fan to achieve energy saving and emission reduction has become an important issue in the design and operation of the boiler system. In recent years, the industry has begun to explore the scheme of combining the induced draft fan and the desulfurization booster fan to reduce energy consumption and improve efficiency by reducing the number of fans and optimizing the design of the air duct.

[0003] However, in the existing energy-saving fan system, the fan speed is usually adjusted by a frequency converter. This method can reduce energy consumption to a certain extent, but the equipment cost is high and the maintenance is complex. Therefore, it is necessary to design an energy-saving fan system for boiler to realize efficient and energy-saving operation of the fan. CONTENT OF THE UTILITY MODEL

[0004] In view of the shortcomings of the prior art, the present application provides an energy-saving fan system for boiler, which has the advantages of efficient and energy-saving operation of the fan, and solves the problem of high equipment cost and complex maintenance caused by adjusting the fan speed with a frequency converter in the prior art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: an energy-saving fan system for boiler, comprising a boiler main body and a controller, the upper surface of the boiler main body is fixedly connected with a connecting pipe, the other end of the connecting pipe is fixedly connected with a shell one, the back surface of the shell one is fixedly connected with a motor one, the output shaft of the motor one is fixedly connected with an impeller one, the output end of the shell one is fixedly installed with an air duct, the inner wall of the air duct is fixedly installed with a sensor one, the other end of the air duct is fixedly installed with a shell two, the left side surface of the shell two is fixedly connected with a motor two, the output shaft of the motor two is fixedly connected with an impeller two, the output end of the shell two is fixedly installed with an exhaust pipe, and the inner wall of the exhaust pipe is fixedly installed with a sensor two.

[0006] Through the above scheme, in order to realize the efficient and energy-saving operation of the air guide fan and the booster fan without affecting the working effect, the connecting pipe is connected with the boiler body, when the boiler body operates, the motor one drives the impeller one to rotate in the inside of the shell one, the gas in the inside of the boiler body is extracted through the connecting pipe, the gas is transmitted to the inside of the shell two through the air duct, the motor two drives the impeller two to rotate, and then the gas can be discharged through the output port of the shell two, and the sensor one and the sensor two are installed on the inner walls of the air duct and the exhaust pipe, which can detect the wind pressure in real time, when the wind pressure is unstable, the controller adjusts the rotating speed of the motor one and the motor two, and the efficient and energy-saving operation of the fan is realized.

[0007] Further, the outer surface of the shell one is fixedly connected with a fixed frame one, the outer surface of the shell two is fixedly connected with a fixed frame two, and the bottom surfaces of the fixed frame one and the fixed frame two are fixedly connected with mounting plates.

[0008] Through the above scheme, the fixed frame one is installed on the outer surface of the shell one and fixedly connected, the fixed frame two is installed on the outer surface of the shell two and fixedly connected, and the mounting plates are arranged on the bottom surfaces of the fixed frame one and the fixed frame two, so as to support the shell one and the shell two.

[0009] Further, the bottom surface of the boiler body is fixedly connected with a bottom plate, and the upper surface of the bottom plate is fixedly connected with the bottom surface of the controller.

[0010] Through the above scheme, the bottom plate is installed on the bottom surface of the boiler body, and the controller is connected with the bottom plate, so that the controller can receive signals from the sensor one and the sensor two and control the rotating speed of the motor one and the motor two.

[0011] Further, the upper surface of the bottom plate is fixedly connected with a limiting frame, and the surface of the limiting frame is coated with anticorrosive paint.

[0012] Through the above scheme, the limiting frame is installed on the upper surface of the bottom plate, and the surface of the limiting frame is coated with anticorrosive paint, so as to ensure long-term use of the limiting frame and prolong the service life.

[0013] Further, the upper surface of the bottom plate is fixedly connected with limiting rods arranged at equal distances, and the inner walls of the limiting rods are slidably connected with lifting rods.

[0014] Through the above scheme, the limiting rods are installed on the upper surface of the bottom plate and fixedly connected, and the lifting rods are installed on the inner walls of the limiting rods and slidably connected, so as to limit the lifting rods through the limiting rods.

[0015] Further, the inner wall of each lifting rod is rotationally connected with a threaded rod, and the outer surface of each threaded rod is in threaded connection with the inner wall of the corresponding limiting rod.

[0016] By the above scheme, the threaded rod is installed in the inner wall of the corresponding lifting rod and is rotationally connected, so that the threaded rod is limited, and the threaded rod is connected with the corresponding limiting rod in threaded connection, so that the lifting rod can be lifted by rotating the threaded rod.

[0017] Further, the upper side of the bottom plate is provided with a support plate, and the top end of each threaded rod is rotationally connected with the bottom surface of the support plate.

[0018] By the above scheme, the support plate is arranged above the bottom plate, and the threaded rod is connected with the bottom surface of the support plate in rotational connection, so that when the height of the lifting rod is adjusted by rotating the threaded rod, the corresponding support plate can be lifted, facilitating the adjustment of the height of the support plate.

[0019] Further, the bottom surface of each mounting plate is provided with a laminated cushion, and the bottom surface of each laminated cushion is fixedly mounted with the upper surface of the support plate.

[0020] By the above scheme, the laminated cushion is installed on the bottom surface of the mounting plate, and the bottom surface of the laminated cushion is connected with the support plate, and the laminated cushion is made by laminating a plurality of cushion pieces, which can multiply the cushioning effect and ensure the stable operation of the fan and the overall mounting frame.

[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0022] The energy-saving fan system for a boiler is provided with an air duct, a sensor one, a sensor two, a controller and the like, and can extract the gas inside the boiler body through the connecting pipe, the shell one, the motor one and the impeller one, and then transmit the gas to the inside of the shell two, and then transmit the gas to the exhaust pipe through the motor two and the impeller two. The sensor one and the sensor two are arranged at the connecting position between the pipes, so that the wind pressure can be detected in real time. When the wind pressure is unstable, the controller adjusts the rotating speed of the motor one and the motor two to realize the efficient and energy-saving operation of the fan. The laminated cushion is arranged between the mounting plate and the support plate, which can multiply the cushioning effect, reduce noise and vibration, and ensure the stable operation of the fan and the overall mounting frame. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the overall three-dimensional structure diagram of the present application;

[0024] Figure 2 It is the overall front view structure diagram of the present application;

[0025] Figure 3Structure diagram of connection relationship between sensor one and air duct in the application;

[0026] Figure 4 Structure diagram of connection relationship between mounting plate and laminated cushion pad in the application;

[0027] Figure 5 Structure diagram of connection relationship between lifting rod and threaded rod in the application.

[0028] In the figure:

[0029] 1, boiler main body; 2, connecting pipe; 3, shell one; 4, motor one; 5, impeller one; 6, air duct; 7, sensor one; 8, shell two; 9, motor two; 10, impeller two; 11, exhaust pipe; 12, sensor two; 13, fixed frame one; 14, fixed frame two; 15, mounting plate; 16, laminated cushion pad; 17, bottom plate; 18, controller; 19, limiting frame; 20, limiting rod; 21, lifting rod; 22, threaded rod; 23, support plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the application.

[0031] Please refer to Figure 1 , Figure 2 and Figure 3 The energy-saving fan system for a boiler in the embodiment includes a boiler main body 1 and a controller 18. The upper surface of the boiler main body 1 is fixedly connected with a connecting pipe 2. The other end of the connecting pipe 2 is fixedly connected with a shell one 3. The back surface of the shell one 3 is fixedly connected with a motor one 4. The output shaft of the motor one 4 is fixedly connected with an impeller one 5. The output end of the shell one 3 is fixedly installed with an air duct 6. The inner wall of the air duct 6 is fixedly installed with a sensor one 7. The other end of the air duct 6 is fixedly installed with a shell two 8. The left side surface of the shell two 8 is fixedly connected with a motor two 9. The output shaft of the motor two 9 is fixedly connected with an impeller two 10. The output end of the shell two 8 is fixedly installed with an exhaust pipe 11. The inner wall of the exhaust pipe 11 is fixedly installed with a sensor two 12.

[0032] Please refer to Figure 1 , Figure 3 and Figure 4The outer surface of the shell one 3 is fixedly connected with a fixing frame one 13, the outer surface of the shell two 8 is fixedly connected with a fixing frame two 14, and the bottom surfaces of the fixing frame one 13 and the fixing frame two 14 are fixedly connected with mounting plates 15.

[0033] Please refer to Figure 1 , Figure 2 and Figure 4 The bottom surface of the boiler body 1 is fixedly connected with a bottom plate 17, and the upper surface of the bottom plate 17 is fixedly connected with the bottom surface of a controller 18. The bottom plate 17 is installed on the bottom surface of the boiler body 1, and the controller 18 is connected with the bottom plate 17. The controller 18 can receive signals from the sensor one 7 and the sensor two 12, and control the rotating speeds of the motor one 4 and the motor two 9.

[0034] Please refer to Figure 2 and Figure 4 The upper surface of the bottom plate 17 is fixedly connected with a limiting frame 19, and the surface of the limiting frame 19 is coated with anticorrosive paint. The limiting frame 19 is installed on the upper surface of the bottom plate 17, and the surface of the limiting frame 19 is coated with anticorrosive paint, which can ensure long-term use of the limiting frame 19 and prolong the service life.

[0035] Please refer to Figure 2 , Figure 4 and Figure 5 The upper surface of the bottom plate 17 is fixedly connected with limiting rods 20 arranged at equal distances, and the inner walls of each limiting rod 20 are slidably connected with lifting rods 21. The limiting rods 20 are installed on the upper surface of the bottom plate 17 in a fixed connection manner, and the lifting rods 21 are installed on the inner walls of the limiting rods 20 in a sliding connection manner. The limiting rods 20 limit the lifting rods 21.

[0036] Please refer to Figure 5 The inner walls of each lifting rod 21 are rotatably connected with threaded rods 22, and the outer surfaces of each threaded rod 22 are threadedly connected with the inner walls of the corresponding limiting rod 20. The threaded rods 22 are installed on the inner walls of the corresponding lifting rods 21 in a rotatable connection manner, which limits the threaded rods 22. The threaded rods 22 are connected with the corresponding limiting rods 20 in a threaded connection manner. The lifting rods 21 can be lifted by rotating the threaded rods 22.

[0037] Please refer to Figure 4 and Figure 5The upper side of the bottom plate 17 is provided with a support plate 23, the top end of each threaded rod 22 is rotationally connected with the bottom surface of the support plate 23, the support plate 23 is arranged above the bottom plate 17, and the threaded rod 22 is connected with the bottom surface of the support plate 23 in a rotationally connected manner, when the height of the lifting rod 21 is adjusted by rotating the threaded rod 22, the corresponding support plate 23 can be lifted, so that the height of the support plate 23 is adjusted.

[0038] Please refer to Figure 4 The bottom surface of each mounting plate 15 is provided with a laminated cushion pad 16, the bottom surface of each laminated cushion pad 16 is fixedly installed with the upper surface of the support plate 23, the laminated cushion pad 16 is installed on the bottom surface of the mounting plate 15, and the bottom surface of the laminated cushion pad 16 is connected with the support plate 23, the laminated cushion pad 16 is made by laminating a plurality of cushion pads, which can multiply increase the cushioning effect, and ensure the stable operation of the fan and the whole mounting frame.

[0039] The energy-saving fan system for the boiler in the embodiment can extract the gas in the boiler body 1 through the connecting pipe 2, the shell 3, the motor 4 and the impeller 5, then transmit the gas to the inside of the shell 2 through the air duct 6, and then transmit the gas to the exhaust pipe 11 through the motor 2 and the impeller 2. The sensors 7 and 12 are arranged at the connecting positions between the pipes, so that the wind pressure can be detected in real time. When the wind pressure is unstable, the controller 18 adjusts the rotating speed of the motor 1 and the motor 2, so that the fan can be operated efficiently and energy-savingly. The laminated cushion pad 16 arranged between the mounting plate 15 and the support plate 23 can multiply increase the cushioning effect, reduce the noise and vibration, and ensure the stable operation of the fan and the whole mounting frame.

[0040] It should be noted that the shell 3, the motor 4 and the impeller 5 are combined into an air guide fan, the shell 2, the motor 2 and the impeller 2 are combined into a desulfurization booster fan, the limiting frame 19 is matched with the support plate 23, and the support plate 23 can be always limited.

[0041] The working principle of the above embodiment is as follows:

[0042] When the boiler body 1 is operating, gas is extracted from inside the boiler body 1 through connecting pipe 2, shell 3, motor 4, and impeller 5, and then transmitted to the interior of shell 8 through duct 6. Motor 9 and impeller 10 then transmit the gas to exhaust pipe 11. By installing sensor 7 at the outlet of duct 6 and shell 3, and sensor 12 at the connection point between the outlet of shell 8 and exhaust pipe 11, the air pressure can be detected in real time. When unstable air pressure is detected, controller 18 adjusts the pressure of motors 4 and 9. The rotational speed enables the fan to operate efficiently and energy-savingly. By setting a stacked buffer pad 16 between the mounting plate 15 and the support plate 23, the buffering effect can be multiplied, reducing noise and vibration. By rotating the corresponding threaded rod 22, the threaded rod 22 can rotate on the inner wall of the lifting rod 21. At the same time, the threaded rod 22 is connected to the corresponding limit rod 20, so that the corresponding lifting rod 21 can be raised and lowered, thereby allowing the height of the support plate 23 to be adjusted. This facilitates the adjustment of the working height of the induced draft fan and the desulfurization booster fan, and makes it easy to adapt to the connection position of the pipeline.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0044] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An energy-saving fan system for a boiler, comprising a boiler body (1) and a controller (18), characterized in that: The upper surface of the boiler body (1) is fixedly connected to a connecting pipe (2), the other end of the connecting pipe (2) is fixedly connected to a housing (3), the back of the housing (3) is fixedly connected to a motor (4), the output shaft of the motor (4) is fixedly connected to an impeller (5), the output end of the housing (3) is fixedly installed with a duct (6), the inner wall of the duct (6) is fixedly installed with a sensor (7), the other end of the duct (6) is fixedly installed with a housing (8), the left side of the housing (8) is fixedly connected to a motor (9), the output shaft of the motor (9) is fixedly connected to an impeller (10), the output end of the housing (8) is fixedly installed with an exhaust pipe (11), and the inner wall of the exhaust pipe (11) is fixedly installed with a sensor (12).

2. The energy-saving fan system for a boiler according to claim 1, characterized in that: The outer surface of the first housing (3) is fixedly connected to the first fixing bracket (13), and the outer surface of the second housing (8) is fixedly connected to the second fixing bracket (14). The bottom surfaces of the first fixing bracket (13) and the second fixing bracket (14) are both fixedly connected to the mounting plate (15).

3. The energy-saving fan system for a boiler according to claim 1, characterized in that: A base plate (17) is fixedly installed on the bottom surface of the boiler body (1), and the upper surface of the base plate (17) is fixedly installed on the bottom surface of the controller (18).

4. The energy-saving fan system for a boiler according to claim 3, characterized in that: The upper surface of the base plate (17) is fixedly connected to a limiting frame (19), and the surface of the limiting frame (19) is coated with an anti-corrosion coating.

5. The energy-saving fan system for a boiler according to claim 3, characterized in that: The upper surface of the base plate (17) is fixedly connected with equidistantly arranged limiting rods (20), and the inner wall of each limiting rod (20) is slidably connected with a lifting rod (21).

6. The energy-saving fan system for a boiler according to claim 5, characterized in that: Each of the lifting rods (21) has a threaded rod (22) rotatably connected to its inner wall, and the outer surface of each threaded rod (22) is threadedly connected to the inner wall of the corresponding limiting rod (20).

7. An energy-saving fan system for a boiler according to claim 6, characterized in that: A support plate (23) is provided above the base plate (17), and the top of each threaded rod (22) is rotatably connected to the bottom surface of the support plate (23).

8. The energy-saving fan system for a boiler according to claim 2, characterized in that: Each mounting plate (15) has a stacked buffer pad (16) on its bottom surface, and the bottom surface of each stacked buffer pad (16) is fixedly installed to the upper surface of the support plate (23).

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