Drying furnace equipment for flue gas regenerative utilization
By installing a heat recovery mechanism on the top of the drying furnace and using the induced fan and filter cartridge technology, the heat waste and environmental pollution caused by the drying furnace exhaust emissions are solved, and multiple utilization of waste gas and dust removal are achieved.
Patent Information
- Application Number
- CN202421688061.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-07-17
AI Technical Summary
The existing drying furnaces discharge exhaust gas during the drying process, resulting in waste of heat and environmental pollution, and dust mixed in the exhaust gas.
The heat recovery mechanism is installed on the top of the drying furnace, and the exhaust gas is extracted by a induced fan and re-introduced into the furnace body through the air guide plate and return pipe. After filtering through the filter cartridge, it is reused to reduce heat energy waste and remove dust.
It realizes multiple utilization of waste gas, reduces heat energy waste, removes dust and impurities in waste gas, and protects the environment.
Smart Images
Figure CN223091004U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drying furnaces, in particular to a drying furnace device for flue gas heat recovery and utilization. Background Technique
[0002] The drying furnace dries the objects in the furnace through electric heating and has a wide range of applications in various industries. For example, it has very broad application prospects in industries such as electronics, food, pharmaceuticals, printing, packaging, cleaning, heat treatment, etc., thus the need for drying furnaces.
[0003] In the drying process of the existing drying furnace, waste gas will be discharged. The waste gas carries a large amount of heat, resulting in waste. At the same time, the waste gas is mixed with dust, and direct discharge pollutes the environment. Therefore, a drying furnace device for flue gas heat recovery and utilization is proposed. Content of the Utility Model
[0004] (1) Technical Problems to be Solved
[0005] Aiming at the deficiencies of the existing technology, the utility model provides a drying furnace device for flue gas heat recovery and utilization, which solves the problems that in the drying process of the existing drying furnace, waste gas will be discharged, the waste gas carries a large amount of heat resulting in waste, and at the same time, the waste gas is mixed with dust, and direct discharge pollutes the environment.
[0006] (2) Technical Solutions
[0007] To achieve the above purposes, the utility model is realized through the following technical solutions: A drying furnace device for flue gas heat recovery and utilization, including a furnace body and a heat recovery mechanism. The heat recovery mechanism is installed on the top of the furnace body, and the heat recovery mechanism includes a filter box and a transmission box installed on one side of the filter box. A regulating disk is rotatably connected inside the filter box. Four through holes are arranged in a circular distribution on the surface of the regulating disk. A ring groove is arranged in the middle of the outer wall of the regulating disk, and a number of teeth are evenly arranged inside the ring groove. Four filter cylinders are inlaid and connected to the top of the regulating disk. A motor is installed on the inner top of the transmission box. The power output end of the motor is installed with a transmission column. The transmission column is rotatably connected inside the transmission box, and a gear is installed in the middle of the surface of the transmission column. The gear is meshed with the teeth. A hot air blower is installed on the side wall of the furnace body.
[0008] As a further preferred mode of the utility model, a conduit is installed in the middle of the top surface of the filter box. The upper end of the conduit is connected with a gas guide plate. Two vertical and symmetrical gas return pipes are installed on both sides of the bottom surface of the gas guide plate. The end of the gas return pipe is connected with the through hole.
[0009] As a further preferred mode of the utility model, an induced draft fan is installed inside the gas guide plate. An exhaust pipe is vertically arranged in the middle of the top surface of the gas guide plate. A valve is arranged in the middle of the exhaust pipe.
[0010] As a further preferred embodiment of the present utility model, air return openings are symmetrically arranged at the bottom of the filter box, and the air return openings are located below the air return pipe.
[0011] As a further preferred embodiment of the present utility model, an air inlet pipe is vertically arranged in the middle of the bottom surface of the filter box. A support plate is horizontally fixed inside the air inlet pipe. A support column is rotatably connected to the middle of the top surface of the support plate, and the upper end of the support column is connected to the middle of the bottom surface of the adjustment disc.
[0012] As a further preferred embodiment of the present utility model, a plurality of screw holes are evenly formed in the top surface of the filter cylinder. Handles are symmetrically arranged at the top of the filter cylinder. The lower end of the filter cylinder is threadedly connected to a base. The lower end of the screw hole is threadedly connected to a filter pipe, and three filter plates are installed inside the base.
[0013] (III) Beneficial effects
[0014] The present utility model provides a drying furnace device for flue gas heat recovery and utilization, which has the following beneficial effects:
[0015] In the present utility model, a heat recovery mechanism is installed at the top of the drying furnace. During the drying process, air is extracted by an induced draft fan and returns to the furnace body through the air guide plate and the air return pipe. During the process of passing through the filter cylinder, the returned air is filtered, so that the drying waste gas can be used multiple times, reducing the waste of heat energy, and at the same time removing dust and other impurities in the waste gas. Description of the drawings
[0016] Figure 1 is the external structure diagram of the drying furnace device for flue gas heat recovery and utilization described in the present utility model;
[0017] Figure 2 is the internal structure diagram of the heat recovery mechanism described in the present utility model;
[0018] Figure 3 is the external structure diagram of the filter cylinder described in the present utility model;
[0019] Figure 4 is the internal structure diagram of the filter cylinder described in the present utility model.
[0020] In the figure: 1, furnace body; 2, hot air blower; 3, transmission box; 4, filter box; 5, motor; 6, through hole; 7, air guide plate; 8, exhaust pipe; 9, valve; 10, air return pipe; 11, conduit; 12, adjustment disc; 13, filter cylinder; 14, gear; 15, transmission column; 16, support plate; 17, support column; 18, air inlet pipe; 19, annular groove; 20, tooth; 21, handle; 22, screw hole; 23, base; 24, filter pipe; 25, filter plate. Specific embodiments
[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0022] Please refer to Figures 1-4 , the embodiments of the present utility model provide a technical solution: a drying furnace device for flue gas heat recovery and utilization, including a furnace body 1 and a heat recovery mechanism. The heat recovery mechanism is installed on the top of the furnace body 1 and the heat recovery mechanism includes a filter box 4 and a transmission box 3 installed on one side of the filter box 4. A regulating disc 12 is rotatably connected inside the filter box 4. Four through holes 6 are formed on the surface of the regulating disc 12 in an annular distribution. A ring groove 19 is formed in the middle of the outer wall of the regulating disc 12 and a number of teeth 20 are evenly arranged inside the ring groove 19. Four filter cylinders 13 are embedded and connected to the top of the regulating disc 12. A motor 5 is installed on the inner top of the transmission box 3. A transmission column 15 is installed at the power output end of the motor 5. The transmission column 15 is rotatably connected inside the transmission box 3 and a gear 14 is installed in the middle of the surface of the transmission column 15. The gear 14 is meshed with the teeth 20. After the motor 5 rotates, the regulating disc 12 is driven to rotate through the gear 14 and the teeth 20, so as to adjust the positions of the filter cylinders 13 and the through holes 6. A hot air blower 2 is installed on the side wall of the furnace body 1. The hot air blower 2 heats the air and then introduces it into the furnace body 1.
[0023] Further improved, a conduit 11 is installed in the middle of the top surface of the filter box 4. The upper end of the conduit 11 is connected to a gas guide plate 7. Two vertical and symmetrically installed return air pipes 10 are arranged on both sides of the bottom surface of the gas guide plate 7. The ends of the return air pipes 10 are connected to the through holes 6. The filter cylinder 13 corresponding to the return air pipe 10 is used for filtering, and the other two through holes 6 are used for replacing the filter cylinder 13.
[0024] Further improved, an induced draft fan is installed inside the gas guide plate 7. An exhaust pipe 8 is vertically arranged in the middle of the top surface of the gas guide plate 7. A valve 9 is arranged in the middle of the exhaust pipe 8. The valve 9 can be used to adjust whether to return air, the return air volume and the exhaust volume.
[0025] Further improved, return air openings are symmetrically arranged at the bottom of the filter box 4 and the return air openings are located below the return air pipes 10. The return air holes are used to reintroduce the air passing through the filter cylinders 13 into the furnace body 1.
[0026] Further improved, an air inlet pipe 18 is vertically arranged in the middle of the bottom surface of the filter box 4. A support plate 16 is horizontally fixed inside the air inlet pipe 18. A support column 17 is rotatably connected to the middle of the top surface of the support plate 16. The upper end of the support column 17 is connected to the middle of the bottom surface of the adjustment disk 12. The support plate 16 and the support column 17 play a certain supporting role for the adjustment disk 12, and at the same time can also rotate and adjust the adjustment disk 12.
[0027] Further improved, a plurality of screw holes 22 are evenly formed in the top surface of the filter cylinder 13. Handles 21 are symmetrically arranged at the top of the filter cylinder 13. The lower end of the filter cylinder 13 is threadedly connected to a base 23. The lower end of the screw hole 22 is threadedly connected to a filter pipe 24. Three filter plates 25 are installed inside the base 23. The filter plates 25 and the filter pipe 24 filter the return air. The filter pipe 24 and the base 23 can be rotationally disassembled.
[0028] Working principle: The external air is heated by the hot air blower 2 and then introduced into the furnace body 1 to dry the inside of the furnace. The waste gas generated during the drying process is drawn out by the induced draft fan. The waste gas is shunted when passing through the air guide plate 7, part of it is discharged, and part of it enters the return air pipe 10. The waste gas entering the return air pipe 10 is filtered by the filter cylinder 13, and after the filtration is completed, it returns to the furnace body 1 to reduce heat energy waste. The air outlet and the return air volume are adjusted by adjusting the valve 9; when the filter cylinder 13 needs to be replaced, the filter cylinder 13 can be directly pulled out from the through hole 6.
[0029] 1. Furnace body; 2. Hot air blower; 3. Transmission box; 4. Filter box; 5. Motor; 6. Through hole; 7. Air guide plate; 8. Exhaust pipe; 9. Valve; 10. Return air pipe; 11. Conduit; 12. Adjustment disk; 13. Filter cylinder; 14. Gear; 15. Transmission column; 16. Support plate; 17. Support column; 18. Air inlet pipe; 19. Ring groove; 20. Tooth; 21. Handle; 22. Screw hole; 23. Base; 24. Filter pipe; 25. Filter plate of the present utility model. The components are all common standard parts or components known to those skilled in the art. Their structures and principles can all be known by those skilled in the art through technical manuals or through conventional experimental methods. The problem solved by the present utility model is that in the drying process of the existing drying furnace, waste gas will be discharged, and the waste gas carries a large amount of heat, resulting in waste. At the same time, the waste gas is mixed with dust and directly discharged, polluting the environment. Through the mutual combination of the above components, the present utility model installs a heat recovery mechanism at the top of the drying furnace. During the drying process, the air is drawn out by the induced draft fan and returns to the furnace body 1 through the air guide plate 7 and the return air pipe 10. During the process of passing through the filter cylinder 13, the return air is filtered, the drying waste gas can be used multiple times, heat energy waste is reduced, and at the same time, dust and other impurities in the waste gas can be removed.
[0030] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic features of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.
[0031] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A drying furnace device for flue gas heat recovery and utilization, comprising a furnace body (1) and a heat recovery mechanism, characterized in that: The regenerative mechanism is installed on the top of the furnace body (1), and the regenerative mechanism includes a filter box (4) and a transmission box (3) installed on one side of the filter box (4). Inside the filter box (4), there is a rotatably connected adjustment disk (12). On the surface of the adjustment disk (12), there are four through holes (6) distributed in a ring shape. In the middle of the outer wall of the adjustment disk (12), there is a ring groove (19), and a number of teeth (20) are evenly arranged inside the ring groove (19). At the top of the adjustment disk (12), there are four filter cylinders (13) embedded and connected. Inside the top of the transmission box (3), there is a motor (5). The power output end of the motor (5) is equipped with a transmission column (15). The transmission column (15) is rotatably connected inside the transmission box (3), and in the middle of the surface of the transmission column (15), there is a gear (14). The gear (14) is meshed and connected with the teeth (20). On the side wall of the furnace body (1), there is a hot air blower (2).
2. The drying furnace equipment for flue gas heat regeneration utilization according to claim 1, characterized in that: In the middle of the top surface of the filter box (4), there is a conduit (11). The upper end of the conduit (11) is connected to a gas guide plate (7). On both sides of the bottom surface of the gas guide plate (7), there are vertically and symmetrically installed return air pipes (10). The ends of the return air pipes (10) are connected to the through holes (6).
3. The drying furnace equipment for flue gas heat recovery and utilization according to claim 2, characterized in that: Inside the gas guide plate (7), there is an induced draft fan. In the middle of the top surface of the gas guide plate (7), there is a vertically arranged exhaust pipe (8). In the middle of the exhaust pipe (8), there is a valve (9).
4. A drying furnace device for flue gas heat recovery and utilization according to claim 1, characterized in that: At the bottom of the filter box (4), there are symmetrically arranged air return openings, and the air return openings are located below the return air pipes (10).
5. The drying furnace equipment for flue gas heat regeneration utilization according to claim 1, characterized in that: In the middle of the bottom surface of the filter box (4), there is a vertically arranged intake pipe (18). Inside the intake pipe (18), there is a horizontally fixed support plate (16). In the middle of the top surface of the support plate (16), there is a rotatably connected support column (17). The upper end of the support column (17) is connected to the middle of the bottom surface of the adjustment disk (12).
6. The drying furnace equipment for flue gas heat regeneration utilization according to claim 1, characterized in that: On the top surface of the filter cylinder (13), there are a number of screw holes (22) evenly arranged. At the top of the filter cylinder (13), there are symmetrically arranged handles (21). The lower end of the filter cylinder (13) is threadedly connected to a base (23). The lower ends of the screw holes (22) are threadedly connected to filter pipes (24). Inside the base (23), there are three layers of filter plates (25).