Kiln utilizing waste heat

By designing a waste heat utilization kiln containing drainage, filtration, cleaning and collection mechanisms, the blockage problem caused by inconvenient cleaning of the existing kiln filter plates is solved, and efficient flue gas filtration and waste heat utilization are achieved.

CN222783948UActive Publication Date: 2025-04-22HUBEI HUAGUAN KILN ENG CO LTD
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Patent Information

Application Number
CN202421661452.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-04-22
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

The existing waste heat utilization kilns are inconvenient to clean the filter plate, resulting in clogging, reducing the filtration effect and waste heat utilization efficiency.

Method used

A waste heat utilization kiln including a kiln body, a smoke exhaust pipe, a drainage mechanism, a filter box, a filter plate, an installation shell, a smoke pipe, a water tank, a water pump, a circulation pipe, a cleaning mechanism and a collection mechanism are designed to evacuate the flue gas through the drainage mechanism, and multiple filter plates in the filter box filter impurities, the cleaning mechanism regularly cleans the impurities on the filter plate, and the collection mechanism collects the cleaned dust.

Benefits of technology

Effectively utilize the waste heat in the kiln flue gas, improve the filtration effect of flue gas impurities, clean the filter plate in time, avoid blockage, and improve the overall waste heat utilization efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222783948U_ABST
    Figure CN222783948U_ABST
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Abstract

The utility model is suitable for the technical field of kilns, and provides a waste heat utilization kiln which comprises a kiln body, and a smoke exhaust pipe is arranged on the kiln body. The drainage mechanism is arranged on the smoke exhaust pipe, and the drainage mechanism is used for draining smoke generated by the kiln body; the filter box is fixedly mounted on the smoke exhaust pipe, a plurality of filter plates are arranged in the filter box, and the filter plates are used for filtering impurities in smoke in the smoke exhaust pipe; and the mounting shell is arranged on one side of the kiln body, the mounting shell communicates with the filter box, and a plurality of smoke passing pipes are fixedly mounted in the mounting shell and used for flue gas circulation. According to the waste heat utilization kiln provided by the scheme, impurities in flue gas can be well filtered, the filtered impurities can be cleaned and collected in time, the effect of filtering the impurities in the flue gas is improved, and then the overall flue gas waste heat utilization effect is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of kilns, and in particular relates to a kiln for utilizing waste heat. Background Art

[0002] A kiln is a furnace used to fire ceramics and sculptures or to fuse enamel to the surface of metal objects. It is usually made of bricks and stones, and can be made into various sizes according to needs. It can be operated by combustible gas, oil or electricity.

[0003] When using some kilns to process corresponding products, some kilns often produce a large amount of hot smoke. Since the hot smoke contains a large amount of heat, if it is discharged, it will cause a waste of waste heat of the hot smoke. Therefore, waste heat utilization equipment is generally installed on the kiln. At the same time, in order to reduce the impact of particulate impurities in the flue gas on the waste heat utilization equipment, a filter plate is generally installed to filter impurities in the flue gas. However, it is inconvenient to clean the filter plate, which makes the filter plate easy to be blocked, reducing the filtering effect of the filter plate and reducing the use effect of the waste heat utilization equipment. Utility Model Content

[0004] The utility model provides a kiln for waste heat utilization, aiming to solve the problem that the kiln currently used for waste heat utilization is prone to dust accumulation and reduces the use effect as mentioned in the above background technology.

[0005] In order to solve the above problems, the utility model is implemented as follows: a kiln for waste heat utilization, comprising: a kiln body, on which a smoke exhaust pipe is arranged; a drainage mechanism arranged on the smoke exhaust pipe, the drainage mechanism is used to drain the smoke generated by the kiln body; a filter box fixedly installed on the smoke exhaust pipe, wherein a plurality of filter plates are arranged in the filter box, and the filter plates are used to filter impurities in the smoke in the smoke exhaust pipe; a mounting shell arranged on one side of the kiln body, the mounting shell is connected to the filter box, and the mounting shell is connected to the filter box. A plurality of smoke vents are fixedly installed in the shell, and the smoke vents are used for the circulation of smoke; a water tank is arranged on one side of the installation shell, and a water pump is fixedly installed on the water tank, and the water inlet end of the water pump is connected to the water tank, and the water outlet end of the water pump is connected to the installation shell, and a circulation pipe is fixedly installed on the installation shell, and the circulation pipe is connected to the water tank, and the circulation pipe is used to circulate the water heated in the installation shell to the water tank; a cleaning mechanism is arranged on the filter box, and the cleaning mechanism is used to clean the impurities filtered on the filter plate.

[0006] Preferably, the drainage mechanism includes: a driving motor fixedly mounted on the outer wall of the smoke exhaust pipe; a vertical shaft rotatably mounted on the smoke exhaust pipe, and one end of the vertical shaft is fixedly connected to the output shaft of the driving motor; a horizontal shaft rotatably mounted in the smoke exhaust pipe; a plurality of fan blades fixedly mounted on the horizontal shaft; two first bevel gears fixedly mounted on the horizontal shaft and the vertical shaft, respectively, and the two first bevel gears are meshed with each other.

[0007] Preferably, the cleaning mechanism includes: a servo motor fixedly installed at the bottom of the filter box; a mounting shaft arranged below the filter box, a protective shell fixedly installed below the filter box, the mounting shaft and the protective shell being rotatably connected; a plurality of placement shafts rotatably installed on the filter box; a plurality of rotating shafts rotatably installed in the filter box; a plurality of cleaning racks respectively fixedly installed on the plurality of rotating shafts, the plurality of cleaning racks respectively corresponding to the plurality of filter plates; a plurality of second bevel gears respectively fixedly mounted on the plurality of rotating shafts, the plurality of placement shafts and the mounting shafts, and the plurality of second bevel gears are meshed with each other.

[0008] Preferably, a collecting mechanism for collecting dust filtered on the filter plate is provided in the protective shell, and the collecting mechanism includes: a collecting box fixedly installed in the protective shell; a filter bag assembled in the collecting box; a connecting shaft rotatably installed on the collecting box; a plurality of fan blades fixedly installed on the connecting shaft; a driving shaft rotatably installed in the protective shell; four third bevel gears fixedly sleeved on the connecting shaft, the driving shaft and the mounting shaft, respectively, and the four third bevel gears are meshed with each other in pairs; a connecting pipe fixedly installed on the collecting box; a plurality of collecting pipes fixedly installed on the filter box, the plurality of collecting pipes are all connected to the connecting pipe, and the plurality of collecting pipes respectively correspond to the plurality of filter plates.

[0009] Preferably, a plurality of the collecting pipes are each provided with a control valve, an exhaust pipe is provided on the collecting box, a connecting frame is provided on the outside of the filter plate, a positioning frame is fixedly mounted on the inner wall of the filter box, and the positioning frame and the connecting frame are adaptively connected.

[0010] Preferably, the water tank is provided with a water supply pipe, the water tank is provided with a drain pipe, the water supply pipe and the drain pipe are both provided with operating valves, and the water tank is provided with a temperature sensor, and the temperature sensor is used to monitor the water temperature in the water tank.

[0011] Preferably, a controller is provided on one side of the water tank, and the controller is used to perform control operations.

[0012] Compared with the related art, the kiln for waste heat utilization provided by the utility model has the following beneficial effects:

[0013] Compared with the existing technology, the kiln for waste heat utilization provided by this solution:

[0014] The kiln which utilizes waste heat is formed by a kiln body, a smoke exhaust pipe, a drainage mechanism, a filter box, a filter plate, a mounting shell, a smoke duct, a water tank, a water pump, a circulation pipe, a cleaning mechanism and a collecting mechanism. The waste heat in the smoke of the kiln body can be well utilized, and the impurities in the smoke can be well filtered and processed. The filtered impurities can be cleaned and collected in time, thereby improving the effect of filtering impurities in the smoke, and thus improving the overall effect of utilizing the waste heat of the smoke. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of a kiln for waste heat utilization provided by the utility model;

[0016] Figure 2 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0017] Figure 3 for Figure 2 An enlarged structural diagram of part A shown in FIG.

[0018] Figure 4 for Figure 2 An enlarged schematic diagram of the structure of part B shown in FIG.

[0019] Figure 5 It is a structural schematic diagram of the filter plate in the utility model.

[0020] 1. The kiln body; 2. The smoke exhaust pipe; 3. The drainage mechanism; 301. The driving motor; 302. The vertical axis; 303. The horizontal axis; 304. The fan blades; 305. The first bevel gear; 4. The filter box; 5. The filter plate; 6. The mounting shell; 601. The smoke duct; 7. The water tank; 8. The water pump; 9. The circulation pipe; 10. The cleaning mechanism; 1001. The servo motor; 1002. The mounting shaft; 1003. The placement shaft; 1004. The rotating shaft; 1005. The cleaning rack; 1006. The second bevel gear; 11. The collecting box; 12. The filter bag; 13. The connecting shaft; 14. The fan blades; 15. The driving shaft; 16. The third bevel gear; 17. The connecting pipe; 18. The collecting pipe. DETAILED DESCRIPTION

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0022] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0023] The utility model embodiment provides a kiln for waste heat utilization, such as Figure 1-5 As shown, the kiln for waste heat utilization comprises: a kiln body 1, on which a smoke exhaust pipe 2 is arranged; a drainage mechanism 3 arranged on the smoke exhaust pipe 2, and the drainage mechanism 3 is used to drain the smoke generated by the kiln body 1; a filter box 4 fixedly installed on the smoke exhaust pipe 2, in which a plurality of filter plates 5 are arranged, and the filter plates 5 are used to filter impurities in the smoke in the smoke exhaust pipe 2; a mounting shell 6 arranged on one side of the kiln body 1, the mounting shell 6 is connected to the filter box 4, and a plurality of smoke pipes 601 are fixedly installed in the mounting shell 6 The smoke duct 601 is used for the circulation of smoke; a water tank 7 is arranged on one side of the mounting shell 6, a water pump 8 is fixedly installed on the water tank 7, the water inlet end of the water pump 8 is connected to the water tank 7, the water outlet end of the water pump 8 is connected to the mounting shell 6, and a circulation pipe 9 is fixedly installed on the mounting shell 6, the circulation pipe 9 is connected to the water tank 7, and the circulation pipe 9 is used to circulate the water heated in the mounting shell 6 to the water tank 7; a cleaning mechanism 10 is arranged on the filter box 4, and the cleaning mechanism 10 is used to clean the impurities filtered on the filter plate 5.

[0024] In this embodiment, the corresponding products can be fired through the kiln body 1. During use, the drainage mechanism 3 is started to discharge the smoke generated by the kiln body 1 into the filter box 4 through the smoke exhaust pipe 2. Under the action of the filter plate 5, large particles of impurities in the smoke are filtered, and the impurities entering the smoke pipe 601 are reduced, the accumulation of dust is reduced, and the heat exchange between the hot smoke in the smoke pipe 601 and the water in the installation shell 6 is improved. At the same time, the water pump 8 is started, and the water in the water tank 7 enters the installation shell 6 to exchange heat with the hot smoke in the high-pass smoke pipe 601. The water in the installation shell 6 is heated, and the heated water enters the water tank 7 through the circulation pipe 9. In this way, the water in the water tank 7 is continuously circulated to the installation shell 6 for heating, thereby utilizing the waste heat of the smoke from the kiln body 1. At the same time, the cleaning mechanism 10 can be started at a fixed time to clean the impurities filtered on the filter plate 5, thereby improving the filtering effect of the filter plate 5 (the mesh sizes of the multiple filter plates 5 are different, and the waste heat utilization system set on the kiln body 1 is also suitable for use in the tunnel kiln, and the smoke exhaust pipe 2 and the smoke outlet pipe on the tunnel kiln can be connected).

[0025] In a further preferred embodiment of the utility model, the drainage mechanism 3 includes: a driving motor 301 fixedly mounted on the outer wall of the smoke exhaust pipe 2; a vertical shaft 302 rotatably mounted on the smoke exhaust pipe 2, and one end of the vertical shaft 302 is fixedly connected to the output shaft of the driving motor 301; a horizontal shaft 303 rotatably mounted in the smoke exhaust pipe 2; a plurality of fan blades 304 fixedly mounted on the horizontal shaft 303; two first bevel gears 305 respectively fixedly mounted on the horizontal shaft 303 and the vertical shaft 302, and the two first bevel gears 305 are meshed with each other.

[0026] In this embodiment, when the drainage mechanism 3 is used, the driving motor 301 is started by the controller to drive the vertical shaft 302 to rotate, and under the interaction of the first bevel gear 305 and the horizontal shaft 303, the fan blades 304 are driven to rotate, so that the smoke generated by the kiln body 1 is discharged into the filter box 4 through the smoke exhaust pipe 2.

[0027] In a further preferred embodiment of the utility model, the cleaning mechanism 10 includes: a servo motor 1001 fixedly mounted on the bottom of the filter box 4; a mounting shaft 1002 arranged below the filter box 4, a protective shell fixedly mounted below the filter box 4, the mounting shaft 1002 and the protective shell being rotatably connected; a plurality of placement shafts 1003 rotatably mounted on the filter box 4; a plurality of rotating shafts 1004 rotatably mounted in the filter box 4; a plurality of cleaning racks 1005 respectively fixedly mounted on the plurality of rotating shafts 1004, the plurality of cleaning racks 1005 respectively corresponding to the plurality of filter plates 5; a plurality of second bevel gears 1006 respectively fixedly mounted on the plurality of rotating shafts 1004, the plurality of placement shafts 1003 and the mounting shaft 1002, and the plurality of second bevel gears 1006 are meshed with each other.

[0028] In this embodiment, when the cleaning mechanism 10 is used (when the kiln body 1 is not in use), the servo motor 1001 is started to drive the installation shaft 1002 to rotate, and under the action of the placement shaft 1003, the rotating shaft 1004 and the second bevel gear 1006, the cleaning frame 1005 is driven to clean the impurities filtered on the filter plate 5, thereby improving the filtering effect of the filter plate 5, thereby filtering the impurities in the flue gas in time, allowing the hot flue gas to enter the installation shell 6 in time for waste heat utilization, thereby improving the overall waste heat utilization effect.

[0029] In a further preferred embodiment of the utility model, a collecting mechanism for collecting dust filtered on the filter plate 5 is provided in the protective shell, and the collecting mechanism includes: a collecting box 11 fixedly installed in the protective shell; a filter bag 12 assembled in the collecting box 11; a connecting shaft 13 rotatably installed on the collecting box 11; a plurality of fan blades 14 fixedly installed on the connecting shaft 13; a driving shaft 15 rotatably installed in the protective shell; four third bevel gears 16 fixedly mounted on the connecting shaft 13, the driving shaft 15 and the mounting shaft 1002, respectively, and the four third bevel gears 16 are meshed with each other in pairs; a connecting pipe 17 fixedly installed on the collecting box 11; a plurality of collecting pipes 18 fixedly installed on the filter box 4, the plurality of collecting pipes 18 are all connected to the connecting pipe 17, and the plurality of collecting pipes 18 correspond to the plurality of filter plates 5 respectively.

[0030] In this embodiment, when the mounting shaft 1002 rotates, under the action of the drive shaft 15 and the third bevel gear 16, the fan blade 14 on the connecting shaft 13 is driven to rotate, so that a negative pressure is formed in the connecting pipe 17, so that the dust cleaned by the cleaning frame 1005 is collected into the filter bag 12 (the control valve on the collection pipe 18 is opened when in use), effectively improving the cleaning effect of the filter plate 5.

[0031] In a further preferred embodiment of the utility model, control valves are provided on the plurality of collecting pipes 18, an exhaust pipe is provided on the collecting box 11, a connecting frame is provided on the outside of the filter plate 5, a positioning frame is fixedly installed on the inner wall of the filter box 4, and the positioning frame and the connecting frame are adaptably connected.

[0032] In this embodiment, the filter plate 5 can be fixed in the filter box 4 by the cooperation between the connecting frame and the positioning frame, and the filter plate 5 can be easily disassembled and cleaned.

[0033] In a further preferred embodiment of the utility model, a water supply pipe is provided on the water tank 7, a drainage pipe is provided on the water tank 7, operating valves are provided on the water supply pipe and the drainage pipe, and a temperature sensor is provided on the water tank 7, and the temperature sensor is used to monitor the water temperature in the water tank 7.

[0034] In this embodiment, the water supply pipe can replenish water in the water tank 7, the drainage pipe can discharge the heated water in the water tank 7 for utilization, and the temperature sensor can monitor the water temperature in the water tank 7.

[0035] In a further preferred embodiment of the present invention, a controller is provided on one side of the water tank 7, and the controller is used to perform control operations.

[0036] In this embodiment, the control operation is conveniently performed through a controller.

[0037] To sum up, compared with the relevant technology, the kiln for waste heat utilization is formed by the kiln body 1, the smoke exhaust pipe 2, the drainage mechanism 3, the filter box 4, the filter plate 5, the mounting shell 6, the smoke pipe 601, the water tank 7, the water pump 8, the circulation pipe 9, the cleaning mechanism 10 and the collecting mechanism. The waste heat in the flue gas of the kiln body 1 can be well utilized, and the impurities in the flue gas can be well filtered and processed, and the filtered impurities can be cleaned and collected in time, so as to improve the effect of filtering the impurities in the flue gas, and then improve the overall effect of utilizing the waste heat of the flue gas.

[0038] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0039] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A kiln for waste heat utilization, characterized in that: include: A kiln body, wherein a smoke exhaust pipe is provided on the kiln body; A drainage mechanism provided on the smoke exhaust pipe, the drainage mechanism being used to drain the smoke generated by the kiln body; A filter box fixedly mounted on the smoke exhaust pipe, wherein a plurality of filter plates are arranged in the filter box, and the filter plates are used to filter impurities in the smoke in the smoke exhaust pipe; A mounting shell is arranged on one side of the kiln body, the mounting shell is connected to the filter box, a plurality of smoke pipes are fixedly installed in the mounting shell, and the smoke pipes are used for the circulation of smoke; A water tank is arranged at one side of the installation shell, a water pump is fixedly installed on the water tank, a water inlet end of the water pump is connected to the water tank, a water outlet end of the water pump is connected to the installation shell, and a circulation pipe is fixedly installed on the installation shell, the circulation pipe is connected to the water tank, and the circulation pipe is used to circulate the water heated in the installation shell to the water tank; A cleaning mechanism is arranged on the filter box, and the cleaning mechanism is used to clean the impurities filtered on the filter plate.

2. The waste heat utilization kiln according to claim 1, characterized in that: The drainage mechanism comprises: A driving motor fixedly mounted on the outer wall of the smoke exhaust pipe; A vertical shaft rotatably mounted on the smoke exhaust pipe, wherein one end of the vertical shaft is fixedly connected to the output shaft of the driving motor; A horizontal shaft rotatably mounted in the exhaust pipe; A plurality of fan blades fixedly mounted on the horizontal axis; Two first bevel gears are fixedly sleeved on the horizontal shaft and the vertical shaft respectively, and the two first bevel gears are meshed with each other.

3. The waste heat utilization kiln according to claim 1, characterized in that: The cleaning mechanism comprises: A servo motor fixedly mounted on the bottom of the filter box; A mounting shaft is arranged below the filter box, a protective shell is fixedly installed below the filter box, and the mounting shaft is rotatably connected to the protective shell; Rotating a plurality of placement shafts mounted on the filter box; Rotating a plurality of rotating shafts installed in the filter box; A plurality of cleaning racks are respectively fixedly mounted on the plurality of rotating shafts, and the plurality of cleaning racks respectively correspond to the plurality of filter plates; A plurality of second bevel gears are respectively fixedly sleeved on the plurality of rotating shafts, the plurality of placing shafts and the installation shaft, and the plurality of second bevel gears are meshed with each other.

4. The waste heat utilization kiln according to claim 3, characterized in that: The protective shell is provided with a collecting mechanism for collecting dust filtered on the filter plate, and the collecting mechanism includes: A collection box fixedly mounted in the protective shell; A filter bag mounted in the collection box; Rotating a connecting shaft mounted on the collection box; A plurality of fan blades fixedly mounted on the connecting shaft; Rotating a drive shaft installed in the protective shell; Four third bevel gears are respectively fixedly sleeved on the connecting shaft, the driving shaft and the mounting shaft, and the four third bevel gears are meshed with each other in pairs; A connecting pipe fixedly mounted on the collecting box; A plurality of collecting pipes are fixedly mounted on the filter box, the plurality of collecting pipes are all connected to the connecting pipe, and the plurality of collecting pipes respectively correspond to the plurality of filter plates.

5. The waste heat utilization kiln according to claim 4, characterized in that: A control valve is provided on each of the plurality of collecting pipes, an exhaust pipe is provided on the collecting box, a connecting frame is provided on the outside of the filter plate, a positioning frame is fixedly installed on the inner wall of the filter box, and the positioning frame and the connecting frame are adaptively connected.

6. The waste heat utilization kiln according to claim 1, characterized in that: The water tank is provided with a water supply pipe, the water tank is provided with a drainage pipe, the water supply pipe and the drainage pipe are both provided with operating valves, and the water tank is provided with a temperature sensor, and the temperature sensor is used to monitor the water temperature in the water tank.

7. The waste heat utilization kiln according to claim 1, characterized in that: A controller is provided on one side of the water tank, and the controller is used for performing control operations.