Hot blast stove for preventing fire of dryer
By installing a spark detector at the air inlet of the working duct of the hot air furnace and using the disassembly and assembly ring and fixed insert plate to achieve rapid disassembly and assembly, the fire risk caused by the spark of the hot air furnace is solved and fire safety is improved.
Patent Information
- Application Number
- CN202422569543.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-10-23
AI Technical Summary
Existing hot air furnaces may spark when in use, resulting in high fire risk.
Install a spark detector at the air inlet of the working duct of the hot air furnace, and quickly disassemble and assemble the ring and fixed insert plate to detect sparks and issue alarm signals to prevent fire.
It realizes early detection of sparks and timely treatment, avoids the ignition of hot air furnaces and dryers, and improves safety.
Smart Images

Figure CN223228595U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dryers, in particular to a hot air stove for preventing dryers from catching fire. Background Art
[0002] A hot air furnace is a device that uses fuel (such as natural gas, diesel, or coal) to heat air. This hot air is then delivered to a room, production line, or other area that requires heating. They are widely used in industrial, commercial, and residential environments, primarily for heating and drying. Existing hot air furnaces can generate sparks during operation, posing a high risk of fire. Utility Model Content
[0003] The purpose of the utility model is to provide a hot air stove for preventing a dryer from catching fire, so as to solve the problems raised in the above background technology.
[0004] To achieve the above objectives, the present invention provides the following technical solutions:
[0005] A hot air furnace for preventing a dryer from catching fire, comprising:
[0006] A furnace body, which is used to blow hot air into the working air duct;
[0007] a spark detector, the spark detector being used to detect sparks at the air inlet of the working air duct;
[0008] an installation tube, the installation tube being used to install the spark detector;
[0009] a disassembly ring, the disassembly ring being used to install the spark detector in the installation cylinder;
[0010] A fixing plug plate is used to pass through the spark detector and be inserted into the disassembly ring to fix the spark detector in the installation tube, or to pull out the fixing plug plate to release the fixation of the spark detector.
[0011] Preferably, a slide rail and a fixing groove are provided on the side wall of the installation cylinder, and a limit plate is provided on the bottom wall of the installation cylinder.
[0012] Preferably, the disassembly ring includes a ring body arranged on the spark detector, a guide groove provided on the ring body, a socket provided on the ring body, a movable groove provided in the ring body, a fixed plug rod provided on the movable groove, a reset plate provided on the fixed plug rod, a reset spring provided on the reset plate, and a push plate provided on the fixed plug rod.
[0013] Preferably, the fixed plug plate includes a bottom plate, a push rod provided on the bottom plate, a push-pull ring provided on the bottom plate, and an anti-slip block provided on the push rod.
[0014] Preferably, the guide groove is used to slide along the slide rail to install the spark detector into the installation cylinder until it contacts the limit plate, the push rod is used to move along the through hole on the spark detector and insert into the socket, pushing the fixed plug rod to insert into the fixed groove, the return spring is used to drive the fixed plug rod to return to the moving groove after the push rod exits the socket, and the anti-detachment block is used to prevent the fixed plug plate from detaching from the spark detector.
[0015] Compared with the prior art, the beneficial effects of the present invention are:
[0016] The utility model includes a furnace body, an installation tube and a spark detector arranged at the connection between the furnace body and the working air duct, and a disassembly ring and a fixed plug plate arranged on the spark detector. The utility model enables the spark detector to detect whether sparks are generated at the air outlet of the furnace body through the arrangement of the spark detector, so that the spark detector can send an alarm signal when the spark is detected, thereby achieving early detection and early treatment, and avoiding fire in the furnace body. The arrangement of the disassembly ring realizes rapid disassembly and assembly of the spark detector, and no additional loading and unloading tools are required, so that convenient disassembly and assembly can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural diagram of the utility model;
[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the working air duct of the utility model at the installation tube;
[0019] Figure 3 This is a schematic cross-sectional view of the mounting tube of the utility model;
[0020] Figure 4 This is a positional relationship diagram of the disassembly and assembly ring and the spark detector of the utility model;
[0021] Figure 5 This is a schematic cross-sectional view of the disassembly and assembly ring of the utility model;
[0022] Figure 6 This is a structural diagram of the fixed plugboard of the utility model;
[0023] Figure 7 This is a positional relationship diagram of the disassembly and assembly ring, spark detector, and fixed plugboard of the utility model.
[0024] In the figure: 1. furnace body; 2. working air duct; 3. spark detector; 4. mounting tube; 5. slide rail; 6. fixing groove; 7. limit plate; 8. ring body; 9. guide groove; 10. insertion hole; 11. movable groove; 12. fixed plug rod; 13. reset plate; 14. reset spring; 15. push plate; 16. bottom plate; 17. push rod; 18. push-pull ring; 19. anti-slip block; 20. through hole; 100. dryer. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0026] See also Figures 1 to 7 , the utility model provides a technical solution:
[0027] A hot air furnace for preventing a dryer from catching fire, comprising:
[0028] The furnace body 1 is provided with a working air duct 2. The furnace body 1 and the working air duct 2 are fixedly connected by setting bolts or the like. The furnace body 1 is used to heat air and blow air into the working air duct 2. The working air duct 2 is connected to the dryer 100.
[0029] Spark detector 3, spark detector 3 is arranged at the connection between the working air duct 2 and the furnace body 1, that is, at the air inlet of the working air duct 2. Spark detector 3 is used to detect whether sparks are generated at the air inlet of the working air duct 2, so as to respond in time when sparks are generated to avoid fire in the furnace body 1. A through hole 20 is provided on the spark detector 3.
[0030] The mounting tube 4 is arranged on the working air duct 2 and is located at the air inlet of the working air duct 2. The mounting tube 4 is used to install the spark detector 3. A slide rail 5, a fixing groove 6 and a limit plate 7 are provided in the mounting tube 4. The side wall of the mounting tube 4 is provided with a slide rail 5. The slide rail 5 is fixedly connected to the inner wall of the mounting tube 4 by welding or one-piece molding. The slide rail 5 is arranged along the axial direction of the mounting tube 4. A limit plate 7 is provided at the bottom wall of the mounting tube 4. The limit plate 7 is fixedly connected to the mounting tube 4 by welding. A slot for facilitating the insertion of the push rod 17 can be provided on the limit plate 7. The fixing groove 6 is provided on the inner wall. The fixing groove 6 is located above the limit plate 7.
[0031] The disassembly ring is used to install the spark detector 3 in the mounting tube 4. The disassembly ring includes a ring body 8, a guide groove 9, a socket 10, a movable groove 11, a fixed plug rod 12, a reset plate 13, a reset spring 14 and a push plate 15. The ring body 8 is arranged on the spark detector 3. The ring body 8 is fixedly connected to the spark detector 3 by welding or the like. The guide groove 9 is provided on the ring body 8. The guide groove 9 is opened along the axial direction of the ring body 8. The size and shape of the guide groove 9 are adapted to the slide rail 5. The socket 10 is provided on the ring body 8. The socket 10 is also opened along the axial direction of the ring body 8. The movable groove 11 is opened in the ring body 8. The movable groove 11 is opened along the radial direction of the ring body 8 and is aligned with the socket 10. The fixed plug rod 12 is arranged in the movable groove 11, so that the fixed plug rod 12 and the ring body 8 are connected in a movable manner. The reset plate 13 is arranged on the fixed plug rod 12, and the reset plate 13 is fixedly connected to the fixed plug rod 12 by welding or the like. The reset spring 14 is arranged on the reset plate 13, and one end of the reset spring 14 is fixedly connected to the reset plate 13 by welding, and the other end of the reset spring 14 is fixedly connected to the side wall of the movable groove 11 by welding or the like. The push plate 15 is arranged on the fixed plug rod 12, and the push plate 15 is fixedly connected to the end face of the fixed plug rod 12 by welding or the like. The push plate 15 is located in the socket 10, and a sliding inclined surface is provided on the end face of the push plate 15.
[0032] The fixed plug plate includes a base plate 16, a push rod 17, a push-pull ring 18 and an anti-slip block 19. The push rod 17 is arranged on the base plate 16, and the push rod 17 is fixedly connected to the base plate 16 by welding or the like. The end of the push rod 17 is provided with a ball head for easy sliding. The push rod 17 is movably connected to the spark detector 3 by passing through the through hole 20 on the spark detector 3. The anti-slip block 19 is arranged on the push rod 17, and the anti-slip block 19 is fixedly connected to the push rod 17 by welding or the like. The anti-slip block 19 is used to prevent the fixed plug plate from detaching from the spark detector 3. The push-pull ring 18 is arranged on the base plate 16, and the push-pull ring 18 is fixedly connected to the base plate 16 by welding or the like. The push-pull ring 18 and the push rod 17 are respectively located on both sides of the base plate 16.
[0033] Working principle: When in use, align the guide groove 9 with the slide rail 5 in the installation tube 4, slide the spark detector 3 along the slide rail 5, install the spark detector 3 into the installation tube 4 until it contacts the limit plate 7 and stop, push the push-pull ring 18, and insert the push rod 17 into the socket 10 along the through hole 20 on the spark detector 3, push the fixed plug rod 12 into the fixed groove 6, and the reset spring 14 is used to drive the fixed plug rod 12 to return to the movable groove 11 after the push rod 17 exits the socket 10; through the setting of the spark detector 3, it is possible to detect whether there are sparks in the hot air sent from the furnace body 1 to the working air duct 2, thereby preventing the hot air from sending the flame through the working air duct 2 into the dryer 100, thereby preventing the dryer 100 from catching fire.
[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hot air stove for preventing fire in a dryer, characterized in that: include: A furnace body, which is used to blow hot air into the working air duct; a spark detector, the spark detector being used to detect sparks at the air inlet of the working air duct; an installation tube, the installation tube being used to install the spark detector; a disassembly ring, the disassembly ring being used to install the spark detector in the installation cylinder; A fixing plug plate is used to pass through the spark detector and be inserted into the disassembly ring to fix the spark detector in the installation tube, or to pull out the fixing plug plate to release the fixation of the spark detector.
2. A hot air stove for preventing a dryer from catching fire according to claim 1, characterized in that: A slide rail and a fixing groove are provided on the side wall of the installation cylinder, and a limiting plate is provided on the bottom wall of the installation cylinder.
3. The hot air stove for preventing a dryer from catching fire according to claim 2, characterized in that: The disassembly ring includes a ring body arranged on the spark detector, a guide groove provided on the ring body, a socket provided on the ring body, a movable groove provided in the ring body, a fixed plug rod provided on the movable groove, a reset plate provided on the fixed plug rod, a reset spring provided on the reset plate, and a push plate provided on the fixed plug rod.
4. A hot air stove for preventing a dryer from catching fire according to claim 3, characterized in that: The fixed plug plate includes a bottom plate, a push rod arranged on the bottom plate, a push-pull ring arranged on the bottom plate, and an anti-slip block arranged on the push rod.
5. The hot air stove for preventing fire in a dryer according to claim 4, characterized in that: The guide groove is used to slide along the slide rail to install the spark detector into the installation tube until it contacts the limit plate. The push rod is used to move along the through hole on the spark detector and insert into the socket to push the fixed plug rod into the fixed groove. The return spring is used to drive the fixed plug rod to return to the moving groove after the push rod exits the socket. The anti-detachment block is used to prevent the fixed plug plate from detaching from the spark detector.