Induced draft fan for combustion test of building material products
By designing a induced air fan for combustion test of building materials products including filter components and air induced air induced air components, the problem of the need to install professional devices to deal with waste smoke in the prior art is solved, and the waste smoke discharge without professional devices is realized, reducing equipment costs and improving air induced air efficiency.
Patent Information
- Application Number
- CN202421560239.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-07-03
AI Technical Summary
After the existing induced air blowers discharge the waste smoke generated by building materials when burning, they need to install professional devices for processing, which is cumbersome and increases equipment costs.
A induced air fan for combustion test of building materials products was designed, including a filter assembly and a induced air assembly. The filter assembly is combined with the filter frame and exhaust duct. The filter plate filters the dust in the waste smoke, and the gas is discharged from the outdoors through the air shield and blinds. The air induced assembly drives the drive belt and driven disc to rotate through the cooperation of the motor compartment and the rotating motor, and the air induced fan blade introduces the discarded smoke into the exhaust duct.
No need to use professional equipment to deal with waste smoke, reducing equipment costs and improving wind induced efficiency.
Smart Images

Figure CN222686971U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of combustion tests, in particular to an induced draft fan for combustion tests of building material products. Background Art
[0002] At present, in order to test the combustion state of building materials and develop better flame retardant materials, they are often tested through a single combustion device. The materials are burned in the single combustion device. By observing the state of the materials when they are burning in the single combustion device, the combustion properties of the materials can be measured. However, when building materials are burned, waste smoke will be generated. These smokes need to be discharged because they are toxic. Therefore, a draft fan for combustion testing of building materials products is required.
[0003] The existing induced draft fan can discharge the waste smoke generated when the materials are burned from the combustion chamber. However, after the induced draft fan discharges the waste smoke, professional equipment needs to be installed for treatment. Such treatment is not only troublesome, but also the increase of equipment will increase the cost. Utility Model Content
[0004] The purpose of the utility model is to provide an induced draft fan for combustion test of building materials products, so as to solve the problem that the existing induced draft fan proposed in the above background technology can discharge the waste smoke generated when the materials are burned from the combustion chamber, but after the induced draft fan discharges the waste smoke, it is necessary to install a professional device for processing, which is not only troublesome, but also increases the cost due to the increase of equipment. In order to achieve the above purpose, the utility model provides the following technical solutions: an induced draft fan for combustion test of building materials products, comprising a mounting plate, a filter assembly is arranged on one side of the mounting plate, an induced draft assembly is arranged above the mounting plate, the filter assembly comprises a filter frame, the filter frame is arranged below the mounting plate, the top of the filter frame is fixedly connected to an exhaust duct, an installation slot is opened inside the filter frame, a filter plate is clamped inside the installation slot, and a handle is fixedly connected to one side of the filter plate.
[0005] Further preferably, the filter assembly also includes a wind shield, which is fixedly connected to the interior of the filter frame, an air outlet slot is opened inside the filter frame, and a shutter is fixedly connected to the front of the filter frame. By installing the filter assembly, the waste smoke can enter the filter frame from the exhaust duct through the cooperation between the filter frame and the exhaust duct and other components, and then the filter plate in the slot will filter and block the dust in the waste smoke, and then the filtered gas will enter the air outlet slot from the holes in the wind shield, and then be discharged to the outside through the shutter, so there is no need to use professional equipment to handle the waste smoke, thereby reducing equipment costs.
[0006] Further preferably, the induced draft assembly includes a motor bin, the motor bin is fixedly connected to the upper surface of the mounting plate, a rotating motor is fixedly connected to the interior of the motor bin, a driving disk is fixedly connected to the transmission end of the rotating motor, a transmission belt is sleeved on the outer surface of the driving disk, and by installing the induced draft assembly, the rotating motor can drive the driving disk at the transmission end to rotate through the cooperation between the motor bin and the rotating motor, thereby driving the transmission belt.
[0007] Further preferably, the induced draft component also includes an induced draft bin, the induced draft bin is fixedly connected to the upper surface of the mounting plate, the induced draft bin is movably connected internally with a rotating rod, the outer surface of the rotating rod is fixedly connected with an induced draft fan blade, the other end of the rotating rod is fixedly connected with a driven disk, the driven disk is sleeved on the other end of the transmission belt, the bottom of the induced draft bin is fixedly connected with an air suction duct, the other end of the exhaust duct is fixedly connected to one side of the induced draft bin, and then the transmission belt drives the driven disk to rotate, so that the driven disk drives the rotating rod, and then the induced draft fan blade will rotate, and introduce the waste smoke from the combustion chamber from the suction duct into the exhaust duct, thereby improving the efficiency of the induced draft.
[0008] Further preferably, a control box is fixedly connected to one side of the motor compartment, a motor control module is fixedly connected inside the control box, and a connecting line is fixedly connected to one side of the motor control module. By installing the control box, the staff can use the motor control module inside the control box to operate the rotating motor in the induced draft assembly, and then the motor control module will transmit the control instructions to the rotating motor through the connecting line, thereby providing convenience for the staff's use.
[0009] Further preferably, a mounting hole is opened inside the mounting plate, and the internal thread of the mounting hole is connected to a mounting bolt. By installing the mounting hole, the mounting bolt can be passed through the mounting hole to fix the mounting plate of the induced draft fan above the combustion chamber, thereby facilitating installation and disassembly.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] In the utility model, by installing the filter assembly, the waste smoke can enter the filter frame from the exhaust duct through the cooperation between the filter frame and the exhaust duct, and then the filter plate in the slot will filter and block the dust in the waste smoke, and then the filtered gas will enter the air outlet slot from the holes on the wind shield plate, and then be discharged to the outside through the blinds, thereby eliminating the need to use professional equipment to handle the waste smoke and reducing equipment costs.
[0012] In the utility model, by installing the induced draft assembly, the cooperation between the motor compartment and the rotating motor and other components can be realized, so that the rotating motor can drive the active disk at the transmission end to rotate, thereby driving the transmission belt, and then the transmission belt drives the driven disk to rotate, so that the driven disk drives the rotating rod, and then the induced draft fan blades will rotate, and the waste smoke in the combustion chamber will be introduced from the suction duct into the exhaust duct, thereby improving the efficiency of the induced draft.
[0013] In the utility model, by installing a control box, the staff can use the motor control module inside the control box to operate the rotating motor in the induced draft assembly, and then the motor control module will transmit the control instructions to the rotating motor through the connecting line, thereby providing convenience for the staff's use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;
[0015] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;
[0016] Figure 3 The three-dimensional structure of the utility model is shown in FIG. Figure 3 ;
[0017] Figure 4 The three-dimensional structure of the utility model is shown in FIG. Figure 4 ;
[0018] Figure 5 It is a schematic diagram of the cross-sectional structure of the utility model.
[0019] In the figure: 1. mounting plate; 2. filter assembly; 201. filter frame; 202. exhaust duct; 203. mounting slot; 204. filter plate; 205. handle; 206. wind shield; 207. air outlet slot; 208. shutter; 3. draft assembly; 301. motor compartment; 302. rotating motor; 303. driving disk; 304. transmission belt; 305. draft compartment; 306. rotating rod; 307. draft fan blades; 308. driven disk; 309. suction duct; 4. control box; 5. motor control module; 6. connecting wire; 7. mounting hole; 8. mounting bolt. DETAILED DESCRIPTION
[0020] 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 technical personnel in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-Figure 5 The utility model provides a technical solution: an induced draft fan for a combustion test of building materials products, comprising a mounting plate 1, a filter assembly 2 is arranged on one side of the mounting plate 1, an induced draft assembly 3 is arranged above the mounting plate 1, the filter assembly 2 comprises a filter frame 201, the filter frame 201 is arranged below the mounting plate 1, an exhaust duct 202 is fixedly connected to the top of the filter frame 201, an installation slot 203 is opened inside the filter frame 201, a filter plate 204 is clamped inside the installation slot 203, and a handle 205 is fixedly connected to one side of the filter plate 204.
[0022] In this embodiment, Figure 1 , Figure 3 and Figure 5 As shown, the filter assembly 2 also includes a wind shield 206, which is fixedly connected to the inside of the filter frame 201. An air outlet slot 207 is provided inside the filter frame 201, and a shutter 208 is fixedly connected to the front of the filter frame 201. By installing the filter assembly 2, the waste smoke can enter the filter frame 201 from the exhaust duct 202 through the cooperation between the filter frame 201 and the exhaust duct 202 and other components, and then the filter plate 204 in the slot 203 will filter and block the dust in the waste smoke, and then the filtered gas will enter the air outlet slot 207 from the holes on the wind shield 206, and then be discharged to the outside through the shutter 208.
[0023] In this embodiment, Figure 1 , Figure 2 and Figure 5 As shown, the induced draft component 3 includes a motor bin 301, which is fixedly connected to the upper surface of the mounting plate 1, and a rotating motor 302 is fixedly connected inside the motor bin 301, and a driving disk 303 is fixedly connected to the transmission end of the rotating motor 302, and a transmission belt 304 is sleeved on the outer surface of the driving disk 303. By installing the induced draft component 3, the rotating motor 302 can drive the driving disk 303 at the transmission end to rotate through the cooperation between the motor bin 301 and the rotating motor 302, thereby driving the transmission belt 304.
[0024] In this embodiment, Figure 1 , Figure 2 and Figure 5As shown, the induced draft component 3 also includes an induced draft bin 305, which is fixedly connected to the upper surface of the mounting plate 1, and the interior of the induced draft bin 305 is movably connected with a rotating rod 306, and the outer surface of the rotating rod 306 is fixedly connected with an induced draft fan blade 307, and the other end of the rotating rod 306 is fixedly connected with a driven disk 308, and the driven disk 308 is sleeved on the other end of the transmission belt 304, and the bottom of the induced draft bin 305 is fixedly connected with an air suction duct 309, and the other end of the exhaust duct 202 is fixedly connected to one side of the induced draft bin 305, and then the transmission belt 304 drives the driven disk 308 to rotate, so that the driven disk 308 drives the rotating rod 306, and then the induced draft fan blade 307 will rotate, and introduce the waste smoke from the combustion chamber from the air suction duct 309 into the exhaust duct 202.
[0025] In this embodiment, Figure 2 , Figure 4 and Figure 5 As shown, a control box 4 is fixedly connected to one side of the motor compartment 301, a motor control module 5 is fixedly connected inside the control box 4, and a connecting line 6 is fixedly connected to one side of the motor control module 5. By installing the control box 4, the staff can use the motor control module 5 inside the control box 4 to operate the rotating motor 302 in the induced draft assembly 3, and then the motor control module 5 will transmit the control command to the rotating motor 302 through the connecting line 6.
[0026] In this embodiment, Figure 1 , Figure 2 and Figure 4 As shown, a mounting hole 7 is provided inside the mounting plate 1, and a mounting bolt 8 is threadedly connected inside the mounting hole 7. By installing the mounting hole 7, the mounting bolt 8 can be used to pass through the mounting hole 7 to fix the mounting plate 1 of the induced draft fan above the combustion chamber.
[0027] The use method and advantages of the utility model: When the induced draft fan for the combustion test of building materials products is used, the working process is as follows:
[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, first, by installing the filter assembly 2, the waste smoke can enter the filter frame 201 from the exhaust duct 202 through the cooperation between the filter frame 201 and the exhaust duct 202, and then the filter plate 204 in the slot 203 will filter and block the dust in the waste smoke, and then the filtered gas will enter the air outlet slot 207 through the holes on the wind shield 206, and then be discharged to the outside through the shutter 208, and then by installing the induced draft assembly 3, the motor compartment 301 and the rotating motor 302 can cooperate with each other, so that the rotating motor 302 can drive the active disk 303 at the transmission end to rotate, thereby driving the transmission Belt 304, then the transmission belt 304 drives the driven disk 308 to rotate, so that the driven disk 308 drives the rotating rod 306, and then the induced draft fan blades 307 will rotate, and the waste smoke in the combustion chamber will be introduced into the exhaust duct 202 from the suction duct 309, and then by installing the control box 4, the staff can use the motor control module 5 inside the control box 4 to operate the rotating motor 302 in the induced draft component 3, and then the motor control module 5 will transmit the control command to the rotating motor 302 through the connecting line 6, and then by installing the mounting hole 7, the mounting bolt 8 can be used to pass through the mounting hole 7 to fix the mounting plate 1 of the induced draft fan above the combustion chamber.
[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. An induced draft fan for a combustion test of a building material product, comprising a mounting plate (1), characterized in that: A filter assembly (2) is arranged on one side of the mounting plate (1), an air induction assembly (3) is arranged above the mounting plate (1), the filter assembly (2) comprises a filter frame (201), the filter frame (201) is arranged below the mounting plate (1), the top of the filter frame (201) is fixedly connected to an exhaust duct (202), an installation slot (203) is provided inside the filter frame (201), a filter plate (204) is clamped inside the installation slot (203), and a handle (205) is fixedly connected to one side of the filter plate (204).
2. The induced draft fan for a building material product combustion test according to claim 1, characterized in that: The filter assembly (2) further comprises a wind shield (206), the wind shield (206) being fixedly connected to the inside of the filter frame (201), an air outlet slot (207) being provided inside the filter frame (201), and a shutter (208) being fixedly connected to the front of the filter frame (201).
3. The induced draft fan for combustion test of building materials according to claim 1, characterized in that: The air induction assembly (3) comprises a motor bin (301), the motor bin (301) being fixedly connected to the upper surface of the mounting plate (1), a rotating motor (302) being fixedly connected inside the motor bin (301), a driving disk (303) being fixedly connected at a transmission end of the rotating motor (302), and a transmission belt (304) being sleeved on the outer surface of the driving disk (303).
4. The induced draft fan for combustion test of building materials according to claim 3, characterized in that: The induced draft assembly (3) further comprises an induced draft bin (305), the induced draft bin (305) being fixedly connected to the upper surface of the mounting plate (1), the induced draft bin (305) being movably connected to a rotating rod (306) inside, the outer surface of the rotating rod (306) being fixedly connected to induced draft fan blades (307), the other end of the rotating rod (306) being fixedly connected to a driven disk (308), the driven disk (308) being sleeved on the other end of the transmission belt (304), the bottom of the induced draft bin (305) being fixedly connected to an air suction duct (309), and the other end of the exhaust duct (202) being fixedly connected to one side of the induced draft bin (305).
5. The induced draft fan for combustion test of building materials according to claim 3, characterized in that: A control box (4) is fixedly connected to one side of the motor compartment (301), a motor control module (5) is fixedly connected inside the control box (4), and a connecting wire (6) is fixedly connected to one side of the motor control module (5).
6. The induced draft fan for combustion test of building materials according to claim 1, characterized in that: A mounting hole (7) is provided inside the mounting plate (1), and a mounting bolt (8) is threadedly connected to the inside of the mounting hole (7).