Turnover ash removal device of fireplace
The ash-removing device, which uses a drive motor to rotate the base plate and make small-amplitude rotations, solves the problem of difficult-to-clean ash residue inside the fireplace combustion bowl, improves fuel combustion efficiency and airflow, and ensures the stability and flexibility of the ash-removing process.
Patent Information
- Application Number
- CN202520113577.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The ash and residue inside the burner bowl of the existing fireplace are difficult to clean, affecting the combustion efficiency of the fuel.
A flipping ash removal device was designed. The bottom plate is driven by a drive motor to rotate at the bottom of the combustion bowl, realizing the flipping and small-amplitude reciprocating rotation of the bottom plate. The rotation and flipping of the bottom plate is used to remove ash and slag. Combined with the split design and through-hole structure of the bowl, air circulation is ensured.
It enables convenient cleaning of ash and slag, improves fuel combustion efficiency and air flow, reduces the difficulty of ash removal, and enhances the stability and flexibility of the ash removal process.
Smart Images

Figure CN223782927U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field, especially related to a wall furnace's turnover ash removal device. BACKGROUND
[0002] The wall furnace is a common indoor heating equipment, which heats fuel particles by ignition rod, wherein the fuel particles are usually supplied by a feeding system and are transported to the combustion bowl at the bottom of the furnace body for combustion, and then the heated air is blown out through the warm air outlet through the heat exchange of the heat exchange pipe to achieve heating. For example, a true fire wall furnace is disclosed in Chinese patent publication No. CN109631087A. Since the ash is generated after the fuel particles are burned in the combustion bowl, the ash is easy to accumulate in the combustion bowl and difficult to fall from the combustion bowl, which makes it difficult to clean the ash and greatly affects the combustion effect of the fuel. SUMMARY
[0003] The utility model provides a wall furnace's turnover ash removal device, convenient for discharging the ash in the combustion bowl and ensuring the smooth combustion of the fuel.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] A wall furnace's turnover ash removal device, comprising a combustion bowl arranged in the furnace body, wherein the combustion bowl comprises a bowl body and a bottom plate, the bottom of the bowl body is through, and the bottom plate is arranged at the bottom of the bowl body; a rotating shaft is arranged at the bottom of the bottom plate; a driving motor is arranged outside the furnace body to drive the bottom plate to rotate along the horizontal axis or close to the horizontal axis. In this way, the bottom plate of the combustion bowl has rotating ability relative to the bowl body. When ash removal operation is needed, the driving motor drives the bottom plate to rotate, so that the accumulated ash on the bottom plate falls off. By adjusting the rotating angle of the bottom plate through the driving motor, the complete overturning and overturning of a certain angle of the bottom plate can be realized. By adjusting the overturning speed and the forward and reverse rotation of the bottom plate through the driving motor, the reciprocating rotation of the bottom plate can be realized, so as to facilitate the timely small-amplitude reciprocating rotation of the ash in the combustion bowl during the combustion process and avoid the falling of the fuel, and facilitate the complete overturning of the bottom plate for thorough ash removal when the fuel is burned out.
[0006] Preferably, the output end of the driving motor is provided with a speed reducer driven by the driving motor, and the output shaft of the speed reducer is coaxially connected with the rotating shaft.
[0007] Preferably, the rotating shaft is provided with a connecting sleeve outside, the output shaft, the rotating shaft and the connecting sleeve are fixed through a connecting pin, and the outside of the furnace body is provided with a switch acting on the connecting sleeve. The switch changes the positioning state of the output shaft and the rotating shaft by acting on the connecting sleeve. When the bottom plate does not need to rotate, the switch can position the connecting sleeve, so that the bottom plate stably supports the fuel particles.
[0008] As preferred, the bottom of the bottom plate is provided with a positioning groove matched with the end of the rotating shaft, the side of the positioning groove is provided with a screw for fixing the end of the rotating shaft, and the lower side of the positioning groove is provided with a cover plate. The end of the rotating shaft has a certain axial movement in the positioning groove, so that the rotating shaft is conveniently connected and fixed with the bottom plate.
[0009] As preferred, the side of the bottom plate away from the driving motor is provided with a rotating pin, and the bowl body is provided with a pin hole matched with the rotating pin. The bottom plate is matched with the pin hole of the bowl body through the rotating pin, so that the stability of the rotation of the bottom plate and the stability of the support of the fuel particles by the bottom plate are improved.
[0010] As preferred, the bottom plate is provided with a plurality of downward penetrating bottom through holes. The bottom through holes facilitate the falling of the ash and the entry of air into the interior of the combustion bowl.
[0011] As preferred, the outer edge of the bottom plate is provided with a gap with the inner wall of the bowl body, and the outer edge of the bottom plate is provided with a plurality of groove bodies with openings facing the inner wall of the bowl body. The gap and the groove bodies facilitate the falling of the ash and the entry of air into the interior of the combustion bowl.
[0012] As preferred, the side wall of the bowl body is provided with a plurality of side wall through holes, which are arranged close to the upper portion of the side wall of the bowl body and surround the central axis of the bowl body. The side wall through holes of the bowl body facilitate the entry of external air into the bowl body, and are beneficial to the complete combustion of the fuel in the combustion bowl.
[0013] The beneficial effects of the utility model are as follows: (1) the bottom plate arranged at the bottom of the bowl body is rotated, so that the ash in the combustion bowl is conveniently discharged, and the difficulty of ash removal is reduced; (2) the bottom plate is driven by the driving motor to realize frequent rotation of the bottom plate in a small range, so that the ash can be removed in the fuel combustion process without stopping the machine, and the convenience and flexibility of ash removal are improved; (3) the bowl body and the bottom plate of the combustion bowl are designed in a split type, so that the bottom plate does not affect the constraint and positioning of the fuel by the bowl body when the bottom plate is rotated in a small range, and the stability of the ash removal process is effectively improved; (4) the air flowability is ensured by timely and stable and reliable ash removal, so that the fuel is fully combusted. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a structural schematic view of the utility model;
[0015] Figure 2 is a bottom structural schematic view of the utility model;
[0016] Figure 3 is a sectional view of the utility model;
[0017] Figure 4 is a sectional view of the combustion bowl of the utility model;
[0018] Figure 5It is the installation structure schematic diagram of the utility model.
[0019] In the figure: combustion bowl 1, bowl body 11, side wall through hole 11a, pin hole 11b, bottom plate 12, groove body 12a, rotating pin 12b, bottom through hole 12c, positioning groove 12d, rotating shaft 2, support 3, connecting sleeve 4, driving motor 5, speed reducer 6, output shaft 6a, switch 7, acting end 7a, cover plate 8, screw 9, connecting pin 10, furnace body 13, ash box 14, feed pipe 15. DETAILED DESCRIPTION
[0020] The utility model will be further described below in combination with the drawings and specific embodiment.
[0021] As Figure 1 , Figure 5 Indicated in the embodiment, a wall furnace's turnover ash removal device, including combustion bowl 1, combustion bowl 1 is arranged in the inside of furnace body 13, the lower portion of furnace body 13 is provided with ash box 14, and combustion bowl 1 is located above ash box 14. Figure 2 Combustion bowl 1 includes bowl body 11 and bottom plate 12, wherein bowl body 11 is fixedly connected in furnace body 13, the bottom of bowl body 11 is provided with through channel, so that bottom plate 12 is arranged at the bottom of bowl body 11. The diameter of bowl body 11 is large at the top and small at the bottom, so that the ash produced by combustion is collected on bottom plate 12.
[0022] As Figure 2 , Figure 3 Indicated, bottom plate 12 bottom is equipped with rotating shaft 2, and rotating shaft 2 and bottom plate 12 bottom adopt fixedly connected mode, and the bottom of bottom plate 12 is equipped with the positioning groove 12d that is adapted with the end of rotating shaft 2, and the side of positioning groove 12d is equipped with the screw 9 that is fixed to the end of rotating shaft 2, and the lower side of positioning groove 12d is equipped with cover plate 8. The end of rotating shaft 2 can be loaded into the bottom of bottom plate 12 from the opening side of positioning groove 12d, and rotating shaft 2 is fixed with bottom plate 12 by screw 9. As Figure 4 Indicated, in order to facilitate the positioning of screw 9, a part of the side of the end of rotating shaft 2 can be set as the plane that is contacted with the end of screw 9, so as to avoid the deflection between the end of rotating shaft 2 and screw 9 when fixed.
[0023] As Figure 2 , Figure 3 Indicated, the side of bottom plate 12 away from driving motor 5 is equipped with rotating pin 12b, and bowl body 11 is equipped with pin hole 11b that is rotationally matched with rotating pin 12b. Rotating pin 12b and rotating shaft 2 adopt coaxial line arrangement, and the pin hole 11b of bowl body 11 can rotationally position rotating pin 12b, so as to improve the overall rotation accuracy of bottom plate 12 and ensure that the rotation process of bottom plate 12 is stable and reliable.
[0024] As Figure 1 , Figure 5As shown, the outside of the furnace body 13 is provided with a driving motor 5, the output end of the driving motor 5 is provided with a speed reducer 6 which is driven by the driving motor 5, and the output shaft 6a of the speed reducer 6 is coaxially connected with the rotating shaft 2. The driving motor 5 and the speed reducer 6 are fixed by the support 3, so that the driving motor 5 and the speed reducer 6 are both spaced apart from the furnace body 13 by a certain distance, preventing the heat in the furnace body 13 from being directly conducted to the speed reducer 6 and the driving motor 5. When the driving motor 5 is started, the rotating shaft 2 drives the bottom plate 12 to rotate along or close to the horizontal axis after the speed reducer 6 reduces the speed and increases the torque. When the bottom plate 12 rotates, the rotation axis of the bottom plate 12 remains at the bottom of the combustion bowl 1, and the bottom plate 12 can be flipped to discharge the ash in the combustion bowl 1. The speed reducer 6 can adopt multi-stage reduction, so as to achieve a large rotating torque, facilitating the easy rotation of the bottom plate 12.
[0025] As shown in Figure 3 , the outside of the rotating shaft 2 is provided with a connecting sleeve 4, the output shaft 6a, the rotating shaft 2 and the connecting sleeve 4 are fixed by a connecting pin 10, and the outside of the furnace body 13 is provided with a switch 7 which acts on the connecting sleeve 4. The switch 7 can select a manual switch or an automatic switch in the prior art. When the acting end 7a of the switch 7 extends into the connecting sleeve 4, the rotating shaft 2 stops rotating and positions the rotating shaft 2, so that the bottom plate 12 connected with the rotating shaft 2 is in a horizontal state.
[0026] In order to facilitate the smooth flow of ash and air through the bottom plate 12, as shown in Figure 2 , the bottom plate 12 is provided with a plurality of downward penetrating bottom through holes 12c, and a gap is provided between the outer edge of the bottom plate 12 and the inner wall of the bowl body 11. The outer edge of the bottom plate 12 is provided with a plurality of groove bodies 12a which are open towards the inner wall of the bowl body 11. Figure 3 , Figure 4 As shown in , the side wall of the bowl body 11 is provided with a plurality of side wall through holes 11a which are arranged close to the upper part of the side wall of the bowl body 11 and around the central axis of the bowl body 11.
[0027] In actual operation, fuel particles are fed from the feeding pipe 15 at the top of the combustion bowl 1, the fuel particles are supported by the inner wall of the bowl body 11 and the bottom plate 12, and the fuel particles are ignited to generate heat. The outside air can flow into the combustion bowl 1 through the bottom through holes 12c of the bottom plate 12, the gap between the outer edge of the bottom plate 12 and the inner wall of the bowl body 11, the groove bodies 12a of the outer edge of the bottom plate 12 and the side wall through holes 11a of the bowl body 11 to supply oxygen. During the combustion process, the bottom plate 12 can be controlled to produce small amplitude reciprocating rotation by small angle forward and reverse rotation of the driving motor 5, so as to realize the shaking effect of the bottom plate 12, facilitating the timely discharge of the ash in the combustion bowl 1. When the fuel particles in the combustion bowl 1 are completely burned out, the bottom plate 12 can be controlled to be flipped by a large angle by the driving motor 5, so as to facilitate the complete discharge of the ash in the combustion bowl 1 to the ash box 14.
[0028] The above has carried out the detailed introduction to the embodiment of the utility model, the principle and implementation mode of the utility model have been described in this article by applying specific examples, the above embodiment explanation is only for helping understanding the method and its core thought of the utility model; simultaneously, for the technical personnel in the art, according to the thought of the utility model, there will be changes in specific implementation mode and application range, and the above is described, the content of the specification should not be understood as the limitation of the utility model.
Claims
1. A device for turning and cleaning the ash of a fireplace, comprising a combustion bowl (1) arranged in a furnace body (13), characterized in that, The combustion bowl (1) comprises a bowl body (11) and a bottom plate (12), the bottom of the bowl body (11) is through, the bottom plate (12) is arranged at the bottom of the bowl body (11), the bottom plate (12) is provided with a rotating shaft (2) at the bottom, and the outer portion of the furnace body (13) is provided with a driving motor (5) for driving the bottom plate (12) to rotate along or close to the horizontal axis through the rotating shaft (2).
2. A device for cleaning the interior of a fireplace according to claim 1, characterized in that The output end of the driving motor (5) is provided with a speed reducer (6) driven by the driving motor (5), and the output shaft (6a) of the speed reducer (6) is coaxially connected with the rotating shaft (2).
3. A device for cleaning the interior of a fireplace according to claim 2, characterized in that The outer portion of the rotating shaft (2) is provided with a connecting sleeve (4), the output shaft (6a), the rotating shaft (2) and the connecting sleeve (4) are fixed through a connecting pin (10), and the outer portion of the furnace body (13) is provided with a switch (7) acting on the connecting sleeve (4).
4. The device according to claim 1, wherein, The bottom of the bottom plate (12) is provided with a positioning groove (12d) matched with the end portion of the rotating shaft (2), the side surface of the positioning groove (12d) is provided with a screw (9) for fixing the end portion of the rotating shaft (2), and the lower portion of the positioning groove (12d) is provided with a cover plate (8).
5. The device according to claim 1, wherein the device is characterized by, The side, away from the driving motor (5), of the bottom plate (12) is provided with a rotating pin (12b), and the bowl body (11) is provided with a pin hole (11b) rotationally matched with the rotating pin (12b).
6. The device according to claim 1, wherein, The bottom plate (12) is provided with a plurality of downward through bottom through holes (12c).
7. The device according to claim 1, wherein, The outer edge of the bottom plate (12) and the inner wall of the bowl body (11) are provided with a gap, and the outer edge of the bottom plate (12) is provided with a plurality of groove bodies (12a) with openings facing the inner wall of the bowl body (11).
8. The device according to claim 1, wherein, The side wall of the bowl body (11) is provided with a plurality of side wall through holes (11a), the side wall through holes (11a) are arranged near the upper portion of the side wall of the bowl body (11) and around the central axis of the bowl body (11).
Citation Information
Patent Citations
True fire fireplace
CN109631087A