A high-efficiency and energy-saving air and smoke device for a cogeneration boiler
By introducing filter devices and cleaning components into the cogeneration boiler smoke device, the damage to fan blades caused by particulate impurities and wet impurities in the flue gas and the problem of energy-saving and power-saving problems are solved, and the efficient and energy-saving smoke emission effect is achieved.
Patent Information
- Application Number
- CN202421269163.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-05
AI Technical Summary
In existing smoke devices, particulate impurities and wet impurities in the flue gas are prone to collision and adhere to the fan blades, resulting in damage to the blades and increasing weight, which leads to the problem of not saving energy and electricity.
A high-efficiency energy-saving smoke device for cogeneration boilers is designed, using filter devices and cleaning components. The filter mesh can filter particulate impurities in the flue gas, and achieve self-cleaning effect by cleaning components to reduce impurities attached to the fan blades and motors.
It effectively reduces the problems of damage to fan blades and weight increase, improves the energy saving efficiency and service life of the equipment, and increases the flexibility of the equipment.
Smart Images

Figure CN222694305U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cogeneration boilers, in particular to a high-efficiency energy-saving wind and smoke device for cogeneration boilers. Background Art
[0002] Combined heat and power is the use of heat engines or power stations to simultaneously generate electricity and useful heat. Triple combined heat and power or cooling, combined heat and power (CCHP) "means the simultaneous generation of electricity and useful heat and cooling from fuel combustion or solar collectors. The boiler is an energy conversion device. The energy input to the boiler includes chemical energy and electrical energy in the fuel. The boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy.
[0003] At present, most of the cogeneration boilers use coal as raw material for combustion. The cogeneration industry has developed rapidly. In the cogeneration process, boilers are often used. Boilers usually generate a lot of flue gas during use, and the flue gas will be discharged through the wind and smoke device.
[0004] The inventor discovered in his daily work that when the axial flow fan in the existing wind and smoke device is exhausting smoke, some particulate impurities and moist impurities in the smoke are easy to collide with the fan blades, causing the blades to be damaged by the impact for a long time, and the impurities are easy to stick to the fan blades, increasing the weight of the blades, causing energy and electricity consumption problems, thereby improving the overall practicality of the equipment. Utility Model Content
[0005] The utility model aims to solve the shortcomings of the prior art that impurities are easily knocked and attached to the fan blades, causing damage and energy loss, and proposes a high-efficiency energy-saving wind and smoke device for a cogeneration boiler.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-efficiency and energy-saving wind and smoke device for a cogeneration boiler, comprising a shell and a filtering device, the inner wall of the shell is fixedly connected to a motor, the output end of the motor is fixedly connected to a fan blade, the filtering device is arranged in the inner wall of the shell, the filtering device comprises a plug-in, the plug-in is plugged into the inner wall of the shell, a combination component is installed on the surface of the plug-in, a circular hole is opened on the surface of the plug-in, a filter screen is fixedly connected to the inner wall of the circular hole on the surface of the plug-in, a cleaning component is arranged on the surface of the filter screen, a push rod is fixedly connected to the surface of one side of the fan blade, the plug-in is inserted into the inner wall of the shell through the above-mentioned components, the plug-in can cooperate with the filter screen to filter the smoke entering the shell, the fan blade can drive the cleaning component to rotate in cooperation with the push rod, so as to achieve a self-cleaning effect, reduce the impurities and water vapor in the smoke adhering to the fan blade and the motor, which can easily cause the motor and the fan blade to be damaged for a long time, and at the same time, it is easy to increase the weight of the fan blade, resulting in the phenomenon of wasting electricity and not saving energy.
[0007] Preferably, the cleaning assembly includes a shaft rod, which is rotatably connected to the inner wall of the filter screen, one end of the shaft rod is fixedly connected to a cleaning rod, and the end of the cleaning rod close to the fan blade is fixedly connected to a control member, through the above-mentioned components, when the fan blade drives the push rod to rotate, the push rod can push the control member to drive the shaft rod and the cleaning rod to rotate, thereby cleaning the surface of the filter screen.
[0008] Preferably, the length of the push rod on the surface of the fan blade is flush with the length of the control member, and the control member is composed of a ring and a protrusion. The push rod can push the protrusion on the control member through the above components, thereby driving the shaft to rotate.
[0009] Preferably, a collecting groove is provided on the surface of the plug-in, and an inner wall of one side of the collecting groove is flush with the filter screen. Through the above-mentioned components, after the cleaning rod cleans the filter screen, the impurity particles dropped on it will fall into the winding groove for winding, which is convenient for subsequent processing.
[0010] Preferably, the combined component includes a first protrusion, there are two of the first protrusions, the two first protrusions are fixedly connected to the surface of the shell, the surface of the plug-in is fixedly connected to two second protrusions, the surfaces of the first protrusion and the second protrusion are respectively provided with rectangular holes, the inner walls of the rectangular holes on the surfaces of the second protrusions are slidably connected with a clamping rod, and the clamping rod is plugged into the inner wall of the rectangular hole on the surface of the first protrusion. Through the above-mentioned components, when the plug-in is inserted into the inner wall of the shell, the clamping rod is inserted into the rectangular hole on the surface of the first protrusion, and when the clamping rod is pushed, the clamping rod abuts against the upper surface of the first protrusion, thereby achieving a combined positioning effect.
[0011] Preferably, a spring is fixedly connected to one side of the clamping rod corresponding to the inner wall of the rectangular hole on the surface of the second protrusion, and there are two springs. Through the above components, the spring can apply pressure to the clamping rod, thereby improving the binding effect of the clamping rod.
[0012] Compared with the prior art, the advantages and positive effects of the utility model are:
[0013] 1. In the utility model, when the device is in use, the shell is installed in the smoke pipe, and the motor drives the fan blades to rotate to exhaust the smoke. Through the filtering device and the cleaning component, when the smoke is exhausted, the filter screen can filter some particulate impurities, and a part of the filtered impurities will fall into the collecting tank, and a part of them will be contaminated on the filter screen. At the same time, when the fan blade drives the push rod to rotate, the push rod can push the control part to drive the shaft rod and the cleaning rod to rotate, and the cleaning rod cleans the impurities contaminated on the filter screen, and the cleaned impurities fall into the collecting tank for collection. By setting the filtering device, it is convenient to filter the axial flow fan in the wind and smoke device, thereby blocking some particulate matter for protection. By setting the filtering device, it can effectively reduce the problem that when the axial flow fan in the existing wind and smoke device is exhausting smoke, some particulate impurities and moist impurities in the smoke are easy to collide with the fan blades, causing the blades to be damaged by impact for a long time, and impurities are easy to contaminate on the fan blades, increasing the weight of the blades, resulting in energy-saving and power-consuming problems, thereby improving the overall practicality of the equipment.
[0014] 2. In the utility model, by setting up a combined component, when disassembly is required, the card rod is pushed, the spring is stressed, the card rod loses contact with the upper surface of the first protrusion, and then the second protrusion is pulled to the side away from the first protrusion, so that the plug block can be partially pulled out, the collection groove can be leaked, and the collection groove can be cleaned, thereby improving the overall flexibility. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A three-dimensional structural diagram of a high-efficiency and energy-saving wind and smoke device for a cogeneration boiler is proposed for the utility model;
[0016] Figure 2 A partial structural schematic diagram of a high-efficiency and energy-saving wind and smoke device for a cogeneration boiler is proposed for the utility model;
[0017] Figure 3 The utility model proposes a structural schematic diagram of a filtering device for a high-efficiency and energy-saving wind and smoke device of a cogeneration boiler;
[0018] Figure 4 The utility model proposes a high-efficiency energy-saving wind and smoke device for a cogeneration boiler. Figure 3 Schematic diagram of the structure viewed from above;
[0019] Figure 5 The utility model proposes a high-efficiency energy-saving wind and smoke device for a cogeneration boiler. Figure 3 Schematic diagram of the structure from another perspective.
[0020] Legend:
[0021] 1. Shell; 2. Motor; 3. Fan blades; 4. Filter device; 41. Plug-in; 42. Filter; 43. Combination assembly; 431. First protrusion; 432. Second protrusion; 433. Lever; 434. Spring; 44. Cleaning assembly; 441. Cleaning rod; 442. Shaft; 443. Control member; 45. Collection tank; 46. Push rod. DETAILED DESCRIPTION
[0022] See also Figure 1-5 The utility model provides a technical solution: a high-efficiency and energy-saving wind and smoke device for a cogeneration boiler, comprising a shell 1 and a filter device 4, the inner wall of the shell 1 is fixedly connected to a motor 2, the output end of the motor 2 is fixedly connected to a fan blade 3, and the filter device 4 is arranged in the inner wall of the shell 1.
[0023] The specific configuration and function of the filter device 4 and the combined assembly 43 will be described in detail below.
[0024] Specifically, the filtering device 4 includes a plug-in 41, which is plugged into the inner wall of the shell 1. A combination component 43 is installed on the surface of the plug-in 41. A circular hole is opened on the surface of the plug-in 41. A filter screen 42 is fixedly connected to the inner wall of the circular hole on the surface of the plug-in 41. A cleaning component 44 is provided on the surface of the filter screen 42. A push rod 46 is fixedly connected to the surface of one side of the fan blade 3.
[0025] In this embodiment: the plug-in 41 is inserted into the inner wall of the shell 1, and the plug-in 41 can cooperate with the filter 42 to filter the smoke entering the shell 1. The fan blades 3 cooperate with the push rod 46 to drive the cleaning component 44 to rotate, thereby achieving a self-cleaning effect, reducing the impurities and water vapor in the smoke from adhering to the fan blades 3 and the motor 2, which may easily cause damage to the motor 2 and the fan blades 3 over a long period of time, and at the same time easily increase the weight of the fan blades 3, resulting in a phenomenon of wasting electricity and not saving energy.
[0026] Specifically, the cleaning assembly 44 includes a shaft rod 442, which is rotatably connected to the inner wall of the filter screen 42, one end of the shaft rod 442 is fixedly connected to a cleaning rod 441, and one end of the cleaning rod 441 close to the fan blade 3 is fixedly connected to a control member 443.
[0027] In this embodiment, when the fan blade 3 drives the push rod 46 to rotate, the push rod 46 can push the control member 443 to drive the shaft 442 and the cleaning rod 441 to rotate, so as to clean the surface of the filter screen 42 .
[0028] Specifically, the length of the push rod 46 on the surface of the fan blade 3 is flush with the length of the control member 443. The control member 443 is composed of a ring and a protrusion. The push rod 46 can push the protrusion on the control member 443, thereby driving the shaft 442 to rotate.
[0029] Specifically, a collecting groove 45 is formed on the surface of the plug-in 41 , and an inner wall of one side of the collecting groove 45 is flush with the filter screen 42 .
[0030] In this embodiment, after the cleaning rod 441 cleans the filter screen 42, the impurity particles dropped on it will fall into the winding groove and be wound up, which is convenient for subsequent processing.
[0031] Specifically, the combination component 43 includes a first protrusion 431, there are two first protrusions 431, the two first protrusions 431 are fixedly connected to the surface of the shell 1, the surface of the plug-in 41 is fixedly connected to two second protrusions 432, the surfaces of the first protrusion 431 and the second protrusion 432 are respectively provided with rectangular holes, the inner wall of the rectangular hole on the surface of the second protrusion 432 is slidably connected with a clamping rod 433, the clamping rod 433 is plugged into the inner wall of the rectangular hole on the surface of the first protrusion 431, when the plug-in 41 is inserted into the inner wall of the shell 1, the clamping rod 433 is inserted into the rectangular hole on the surface of the first protrusion 431, and when the clamping rod 433 is pushed, the clamping rod 433 abuts against the upper surface of the first protrusion 431, thereby achieving a combined positioning effect.
[0032] Specifically, a spring 434 is fixedly connected to one side of the clamping rod corresponding to the inner wall of the rectangular hole on the surface of the second protrusion 432 , and there are two springs 434 .
[0033] In this embodiment, the spring 434 can apply pressure to the clamping rod 433 , thereby improving the binding effect of the clamping rod 433 .
[0034] Working principle: When the device is in use, by installing the housing 1 in the smoke pipe, the motor 2 drives the fan blade 3 to rotate, and smoke can be exhausted. Through the filter device 4 and the cleaning component 44, when exhausting smoke, the filter 42 can filter some particulate impurities, and some of the filtered impurities will fall into the collection tank 45, and some will be contaminated on the filter 42. At the same time, when the fan blade 3 drives the push rod 46 to rotate, the push rod 46 can push the control part 443 to drive the shaft rod 442 and the cleaning rod 441 to rotate, and the cleaning rod 441 can remove the impurities contaminated by the filter 42. After cleaning, the cleaned impurities fall into the collecting tank 45 for collection. By setting the filtering device 4, it is convenient to filter the axial flow fan in the wind and smoke device, so as to block some particulate matter for protection. By setting the filtering device 4, it can effectively reduce the axial flow fan in the existing wind and smoke device when exhausting smoke. Some particulate impurities and moist impurities in the flue gas are easy to collide with the fan blades, causing the blades to be damaged by the impact for a long time, and impurities are easy to be contaminated on the fan blades, increasing the weight of the blades, causing energy saving and power consumption problems, thereby improving the overall practicality of the equipment.
[0035] By setting up the combination component 43, when disassembly is required, the latch rod 433 is pushed, the spring 434 is stressed, the latch rod 433 loses contact with the upper surface of the first protrusion 431, and then the second protrusion 432 is pulled to the side away from the first protrusion 431, so that the plug can be partially pulled out, the collection groove 45 can be leaked, and the collection groove 45 can be cleaned, thereby improving the overall flexibility.
Claims
1. A high-efficiency and energy-saving air and smoke device for a cogeneration boiler, comprising a housing (1) and a filtering device (4), characterized in that: The inner wall of the housing (1) is fixedly connected to a motor (2), the output end of the motor (2) is fixedly connected to a fan blade (3), the filter device (4) is arranged in the inner wall of the housing (1), the filter device (4) comprises a plug-in (41), the plug-in (41) is plugged into the inner wall of the housing (1), a combination component (43) is installed on the surface of the plug-in (41), a circular hole is opened on the surface of the plug-in (41), a filter screen (42) is fixedly connected to the inner wall of the circular hole on the surface of the plug-in (41), a cleaning component (44) is arranged on the surface of the filter screen (42), and a push rod is fixedly connected to one side surface of the fan blade (3).
2. A high-efficiency energy-saving smoke and air device for a cogeneration boiler according to claim 1, characterized in that: The cleaning assembly (44) comprises a shaft (442) which is rotatably connected to the inner wall of the filter screen (42); one end of the shaft (442) is fixedly connected to a cleaning rod (441); and one end of the cleaning rod (441) close to the fan blade (3) is fixedly connected to a control member (443).
3. The high-efficiency energy-saving smoke and air device for a cogeneration boiler according to claim 1, characterized in that: The length of the push rod (46) on the surface of the fan blade (3) is flush with the length of the control member (443), and the control member (443) is composed of a ring and a protrusion.
4. The high-efficiency energy-saving smoke and air device for a cogeneration boiler according to claim 1, characterized in that: A collecting groove (45) is provided on the surface of the plug-in unit (41), and an inner wall of one side of the collecting groove (45) is flush with the filter screen (42).
5. The high-efficiency energy-saving smoke and air device for a cogeneration boiler according to claim 1, characterized in that: The combined component (43) comprises a first protrusion (431), wherein there are two first protrusions (431), the two first protrusions (431) are fixedly connected to the surface of the shell (1), and the surface of the plug-in (41) is fixedly connected to two second protrusions (432), and the surfaces of the first protrusion (431) and the second protrusion (432) are respectively provided with rectangular holes, and the inner wall of the rectangular hole on the surface of the second protrusion (432) is slidably connected to a clamping rod (433), and the clamping rod (433) is plugged into the inner wall of the rectangular hole on the surface of the first protrusion (431).
6. A high-efficiency energy-saving smoke and air device for a cogeneration boiler according to claim 5, characterized in that: A spring (434) is fixedly connected to one side of the clamping rod (433) corresponding to the inner wall of the rectangular hole on the surface of the second protrusion (432), and there are two springs (434).