Efficient and energy-saving heating furnace

Abstract

The invention discloses an efficient and energy-saving heating furnace, and belongs to the field of heating equipment. The air gathering assembly comprises a mounting disc, a fire pulling barrel and an air gathering barrel, the disc face of the mounting disc is perpendicular to the axial direction of the furnace barrel and fixed to the inner wall of the upper portion of the furnace barrel, fire outlet holes are formed in the mounting disc, the upper end of the fire pulling barrel is connected with the inner walls of the fire outlet holes, and the outer side wall of the upper portion of the combustion chamber is sleeved with the lower end of the fire pulling barrel. A plurality of third ventilation holes are uniformly formed in the side wall of the upper part at intervals in the circumferential direction; the upper end of the wind gathering cylinder is connected with the mounting disc, and the lower end of the wind gathering cylinder is connected with the outer top wall of the base on the peripheral side of the second ventilation holes. Cold air can enter the air gathering barrel through the second ventilation holes and then flow into the inner cavity of the upper portion of the fire pulling barrel through the third ventilation holes in the upper portion of the fire pulling barrel, the air flowing speed of the upper portion of the fire pulling barrel is increased, and therefore the rising speed of hot air in the fire pulling barrel is increased, flames are more vigorous, fuel combustion is more sufficient, and the heat utilization rate is higher.

Description

Technical Field

[0001] The invention relates to the technical field of heating equipment, and more particularly to a high-efficiency and energy-saving heating stove. Background Art

[0002] Heating stoves are common heating equipment, mainly including return air stoves, biomass pellet heating stoves, electric heaters, etc. Among them, heating stoves that need to use solid fuels such as coal and biomass pellets for combustion are widely used because of their high firepower and wide heat coverage. However, the use of the above fuels is prone to produce smoke and large carbon emissions, which cannot meet environmental protection requirements. In order to meet the needs of environmental protection, new energy fuel heating stoves are applied.

[0003] For example, the invention patent with application number CN202410049457.5 discloses an alcohol-based fuel self-flowing heating stove, in which the fire-pulling tube is coaxially arranged with the combustion tube and its bottom end is sleeved at intervals on the outer peripheral side of the upper end of the combustion tube, which has the effect of gathering the flame in the combustion chamber, so that the hot air flow from the combustion chamber flows upward along the fire-pulling tube, and the flame burns upward along the inner cavity of the fire-pulling tube, thereby enhancing the combustion effect. However, the ventilation holes at the furnace core are limited, the air circulation is poor, the thermal energy utilization rate is low, and the heating effect is poor.

[0004] Therefore, how to design a heating stove that can enhance the air flow performance at the stove core tube and achieve a good heating effect is an urgent problem to be solved by technicians in this field. Summary of the invention

[0005] In view of this, the present invention aims to provide a high-efficiency and energy-saving heating stove to solve the problems of low thermal energy utilization and poor heating effect in the prior art.

[0006] In order to achieve the above object, the present invention adopts the following technical solution:

[0007] A high-efficiency and energy-saving heating stove, comprising:

[0008] A base, the base is a cylindrical structure with a closed top, a plurality of first ventilation holes are opened on the side wall, a center hole is opened at the center of the top, and a plurality of second ventilation holes are opened at intervals on the outer periphery of the center hole;

[0009] A furnace drum, the furnace drum being fixed on the base at the outer peripheral side of the plurality of the second ventilation holes;

[0010] A combustion chamber, one end of which is connected to the inner wall of the top end of the base, and the other end of which passes through the central hole and extends into the inner cavity of the furnace barrel;

[0011] A wind gathering component, the wind gathering component includes a mounting plate, a fire extraction tube and a wind gathering tube, the mounting plate is arranged perpendicular to the axial direction of the furnace barrel and is fixed on the upper inner wall of the furnace barrel, a fire outlet hole is opened on the mounting plate, the upper end of the fire extraction tube is connected to the inner wall of the fire outlet hole, the lower end is sleeved on the upper outer wall of the combustion chamber, and a plurality of third ventilation holes are uniformly spaced on its upper side wall in the circumferential direction; the wind gathering tube is sleeved on the outer peripheral side of the fire extraction tube at intervals, the upper end of the fire extraction tube is connected to the mounting plate, and the lower end is connected to the outer top wall of the base on the outer peripheral side of the plurality of second ventilation holes.

[0012] The beneficial effects that can be achieved by the present invention are as follows: when the fuel in the combustion chamber burns, the hot air rises along the fire-pulling tube, and at the same time, the external cold air can enter the air-collecting tube through the second ventilation hole on the base, and then flow into the fire-pulling tube through the third ventilation hole on the upper part of the fire-pulling tube, thereby accelerating the air flow speed on the upper part of the fire-pulling tube, making the flame more vigorous, the fuel burning more fully, and the heat utilization rate higher.

[0013] Preferably, a fuel supply assembly is also provided, which includes an annular storage box and a feed pipe, the annular storage box is sleeved on the outer peripheral side of the base corresponding to the first ventilation hole, and has an injection port at the top and a discharge port at the bottom; a fuel inlet is provided at the bottom of the combustion chamber, one end of the feed pipe is connected to the discharge port, and the other end is connected to the fuel inlet.

[0014] Preferably, the discharge port is higher than the fuel inlet.

[0015] Preferably, a control valve is installed on the feed conveying pipe.

[0016] Preferably, it further comprises a furnace surface, which is installed on the top of the furnace barrel and is provided with a fire hole communicating with the inner cavity of the furnace barrel.

[0017] Preferably, a plurality of fourth ventilation holes are evenly spaced apart in the circumferential direction above the mounting plate on the side wall of the furnace drum.

[0018] Preferably, the combustion chamber includes a flange, a combustion tube and a furnace core tube, the flange is installed on the inner top wall of the base, the combustion tube is coaxially arranged with the center hole and the outer side wall is connected to the inner ring wall of the flange, the top end thereof passes through the center hole and extends into the inner cavity of the furnace tube, the bottom end is closed and a first air inlet hole is opened at the bottom center; the lower end of the furnace core tube is connected to the inner wall of the first air inlet hole and forms an annular combustion chamber with the combustion tube, the upper end thereof extends into the inner cavity of the furnace tube and a plurality of second air inlet holes are opened on the upper side wall; the fuel inlet is opened at the bottom of the combustion tube and is connected to the annular combustion chamber.

[0019] Preferably, the combustion chamber further comprises a guide assembly, a plurality of third air inlet holes are circumferentially spaced apart at the lower portion of the combustion tube, the guide assembly is mounted on the outer peripheral side of the combustion tube, and one end is connected to the third air inlet holes, and the other end is connected to the inner cavity of the base.

[0020] Preferably, the flow guide component is an air guide hood, which is a cylindrical structure with a closed bottom. It is sleeved on the outer peripheral side of the combustion tube and has a combustion tube mounting hole at its bottom, and an oxygen inlet hole on the upper side wall; the lower end of the combustion tube is installed in the combustion tube mounting hole, and the third air inlet hole is connected to the inner cavity of the air guide hood.

[0021] It can be seen from the above technical solutions that, compared with the prior art, the present invention discloses a highly efficient and energy-saving heating stove, which has the following beneficial effects:

[0022] 1. The annular storage box is installed on the outer periphery of the base, with large storage capacity and easy installation.

[0023] 2. A second ventilation hole is provided at the base to introduce outside air into the wind gathering tube to enhance the wind gathering effect, and then introduce the air into the upper inner cavity of the fire-pulling tube to accelerate the air flow speed in the upper inner cavity of the fire-pulling tube, enhance the fire-pulling effect, make the flame more vigorous, burn the fuel more fully, and have a higher heat utilization rate, with low cost and energy saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0025] Figure 1 A schematic diagram of the three-dimensional structure of a high-efficiency and energy-saving heating stove provided by the present invention.

[0026] Figure 2 A schematic diagram of the cross-sectional structure of a high-efficiency and energy-saving heating stove provided by the present invention.

[0027] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A.

[0028] Figure 4 A schematic diagram of the upward structure of a high-efficiency and energy-saving heating stove provided by the present invention.

[0029] Figure 5 This is a schematic diagram of the three-dimensional structure of the combustion chamber provided by the present invention.

[0030] In the figure: 1, base, 11, first ventilation hole, 12, center hole, 13, second ventilation hole;

[0031] 2. furnace barrel, 21. fourth ventilation hole;

[0032] 3. combustion chamber, 31. flange, 32. combustion tube, 321. first air inlet, 322. third air inlet, 323. fuel inlet, 33. furnace core tube, 331. second air inlet, 34. air guide cover, 341. oxygen inlet;

[0033] 4. wind gathering component, 41. mounting plate, 411. fire outlet, 42. fire extraction tube, 421. third ventilation hole, 43. wind gathering tube;

[0034] 5. fuel supply assembly, 51. annular storage box, 511. injection port, 52. feed pipe, 53. control valve;

[0035] 6. Furnace surface, 61. Fire hole. DETAILED DESCRIPTION

[0036] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, it is necessary to understand that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] See also Figure 1-Figure 5The embodiment of the present invention discloses a highly efficient and energy-saving heating stove, comprising: a base 1, a furnace barrel 2, a combustion chamber 3 and a wind gathering component 4. The base 1 is a cylindrical structure with a closed top, and a plurality of first ventilation holes 11 are opened on its side wall, and a central hole 12 is opened at the center of its top, and a plurality of second ventilation holes 13 are opened at intervals on the outer peripheral side of the central hole 12; the furnace barrel 2 is fixed on the base 1 on the outer peripheral side of the plurality of second ventilation holes 13; one end of the combustion chamber 3 is connected to the inner wall of the base 1, and the other end passes through the central hole 12 and extends into the inner cavity of the furnace barrel 2;

[0040] The wind gathering component 4 includes a mounting plate 41, a fire extraction tube 42 and a wind gathering tube 43. The mounting plate 41 is perpendicular to the axial direction of the furnace barrel 2 and is fixed on the upper inner wall of the furnace barrel 2. A fire outlet hole 411 is provided on the mounting plate 41. The upper end of the fire extraction tube 42 is connected to the inner wall of the fire outlet hole 411, and the lower end is sleeved on the upper outer wall of the combustion chamber 3, and a plurality of third ventilation holes 421 are uniformly spaced in the circumferential direction on the upper side wall thereof; the wind gathering tube 43 is sleeved on the outer peripheral side of the fire extraction tube 42 at intervals, and the upper end thereof is connected to the mounting plate 41, and the lower end is connected to the outer top wall of the base 1 on the outer peripheral side of the plurality of second ventilation holes 13.

[0041] In the heating stove of this embodiment, when the fuel in the combustion chamber 3 is burning, the external cold air can enter the air collecting tube 43 through the second ventilation hole 13 on the base 1, and then flow to the upper inner cavity of the fire pulling tube 42 from the third ventilation hole 421 at the upper part of the fire pulling tube 42, thereby accelerating the air flow speed at the upper part of the fire pulling tube 42, thereby accelerating the rising speed of the hot air in the fire pulling tube 42 and enhancing the combustion effect. Since the mounting plate and the furnace tube are intermittently spot welded or bolted, gaps are easily left at the connection, so the air collecting tube 43 is provided to play the role of air gathering and diversion.

[0042] Specifically, a fuel supply assembly 5 is also provided, and the fuel supply assembly 5 includes an annular storage box 51 and a delivery pipe 52. The annular storage box is sleeved on the outer peripheral side of the base 1 above the corresponding first ventilation hole 11, and a filling port 511 is provided on the top and a discharge port is provided at the bottom; a fuel inlet 323 is provided at the bottom of the combustion chamber 3, and one end of the delivery pipe 52 is connected to the discharge port, and the other end is connected to the fuel inlet 323. An ear plate is installed on the inner ring wall of the annular storage box, and the ear plate is fixed to the side wall of the base 1 by bolts. Alcohol-based fuel is used as the fuel, which is energy-saving and environmentally friendly. A transparent liquid level tube can be installed on the outside of the annular storage box 51, which is convenient for observing the remaining fuel in the annular storage box 51 and for adding fuel.

[0043] Specifically, the discharge port is higher than the fuel inlet 323, and the fuel flows from the discharge port to the fuel inlet 323 under the action of gravity, which is convenient to use.

[0044] Specifically, a regulating valve is installed on the feed pipe 52 to adjust the fuel supply amount.

[0045] Specifically, it also includes a furnace surface 6, which is installed on the top of the furnace barrel 2 and has a fire hole 61 connected to the inner cavity of the furnace barrel 2, and a fire stop ring can be placed in the fire hole. An ear plate is installed on the upper outer wall of the furnace barrel 2, and the ear plate is connected to the furnace surface 6 by bolts.

[0046] Specifically, a plurality of fourth ventilation holes 21 are circumferentially spaced apart on the side wall between the corresponding mounting plate 41 and the furnace surface 6 of the furnace drum 2 .

[0047] Specifically, the combustion chamber 3 includes a flange 31, a combustion tube 32 and a furnace core tube 33. The flange 31 is installed on the inner top wall of the base 1. The combustion tube 32 is coaxially arranged with the center hole 12 and the outer wall is connected to the inner ring wall of the flange 31. The top end thereof passes through the center hole 12 and extends into the inner cavity of the furnace tube 2. The bottom end is closed and a first air inlet hole 321 is provided at the center of the bottom. The lower end of the furnace core tube 33 is connected to the inner wall of the first air inlet hole 321 and forms an annular combustion chamber with the combustion tube 32. The upper end thereof extends into the inner cavity of the furnace tube 2 and a plurality of second air inlet holes 331 are provided on the upper side wall. The fuel inlet 323 is provided at the bottom of the combustion tube 32 and is connected to the annular combustion chamber.

[0048] Specifically, the combustion chamber 3 further includes a flow guide assembly, and a plurality of third air inlet holes 322 are circumferentially spaced apart at the lower part of the combustion tube 32. The flow guide assembly is installed on the outer peripheral side of the combustion tube 32, and one end is connected to the third air inlet hole 322, and the other end is connected to the inner cavity of the base 1. The flow guide assembly introduces air into the annular combustion chamber to increase the contact area with the fuel in the annular combustion chamber, so that the fuel burns more thoroughly.

[0049] In this embodiment, the flow guide component is an air guide cover 34, which is a cylindrical structure with a closed bottom. It is sleeved on the outer peripheral side of the combustion tube 32 and has a combustion tube mounting hole at its bottom, and an oxygen inlet hole 341 on the upper side wall; the lower end of the combustion tube 32 is installed in the combustion tube mounting hole, and the third air inlet hole 322 is connected to the inner cavity of the air guide cover 34. Among them, the third air inlet hole 322 can be a rectangular hole with a larger opening to increase the ventilation area and enhance the air flow effect in the annular combustion chamber. The outside air enters the base 1 from the first ventilation hole 11, and enters the annular combustion chamber through the oxygen inlet hole 341 and the third air inlet hole 322, and fully contacts the fuel in the annular combustion chamber to make the fuel fully burn.

[0050] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0051] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A highly efficient and energy-saving heating stove, characterized in that: include: A base (1), the base (1) being a cylindrical structure with a closed top, a plurality of first ventilation holes (11) being provided on the side wall thereof, a center hole (12) being provided at the center of the top thereof, and a plurality of second ventilation holes (13) being provided at intervals in the circumferential direction on the outer circumference of the center hole (12); A furnace drum (2), the furnace drum (2) being fixed on the base (1) at the outer peripheral side of the plurality of second ventilation holes (13); A combustion chamber (3), one end of the combustion chamber (3) is connected to the inner wall of the top end of the base (1), and the other end passes through the central hole (12) and extends into the inner cavity of the furnace barrel (2); A wind gathering component (4), the wind gathering component (4) comprising a mounting plate (41), a fire extraction tube (42) and a wind gathering tube (43), the mounting plate (41) being arranged perpendicular to the axial direction of the furnace barrel (2) and being fixed on the upper inner wall of the furnace barrel (2), the mounting plate (41) being provided with a fire outlet hole (411), the fire extraction tube (42) having an upper end connected to the inner wall of the fire outlet hole (411), and a lower end sleeved on the upper outer wall of the combustion chamber (3), and a plurality of third ventilation holes (421) being uniformly spaced in the circumferential direction on the upper side wall thereof; the wind gathering tube (43) being sleeved on the outer peripheral side of the fire extraction tube (42) at intervals, and having an upper end connected to the mounting plate (41), and a lower end connected to the outer top wall of the base (1) on the outer peripheral side of the plurality of second ventilation holes (13).

2. The energy-efficient heating stove according to claim 1, characterized in that: A fuel supply assembly (5) is also provided, the fuel supply assembly (5) comprising an annular storage box (51) and a delivery pipe (52); the annular storage box (51) is sleeved on the outer peripheral side of the base (1) above the corresponding first ventilation hole (11), and has an injection port (511) at the top and a discharge port at the bottom; a fuel inlet (323) is provided at the bottom of the combustion chamber (3); one end of the delivery pipe (52) is connected to the discharge port, and the other end is connected to the fuel inlet (323).

3. The energy-efficient heating stove according to claim 2, characterized in that: The discharge port is higher than the fuel inlet (323).

4. The energy-efficient heating stove according to claim 2, characterized in that: A control valve (53) is installed on the material delivery pipe (52).

5. The energy-efficient heating stove according to claim 2, characterized in that: It also comprises a furnace surface (6), which is installed on the top of the furnace barrel (2) and is provided with a fire hole (61) communicating with the inner cavity of the furnace barrel (2).

6. The energy-efficient heating stove according to claim 5, characterized in that: A plurality of fourth ventilation holes (21) are evenly spaced apart in the circumferential direction above the mounting plate (41) and on the side wall of the furnace drum (2).

7. A high-efficiency energy-saving heating stove according to any one of claims 2 to 6, characterized in that: The combustion chamber (3) comprises a flange (31), a combustion tube (32) and a furnace core tube (33); the flange (31) is mounted on the inner top wall of the base (1); the combustion tube (32) is coaxially arranged with the center hole (12) and the outer side wall is connected to the inner ring wall of the flange (31); the top end thereof passes through the center hole (12) and extends into the inner cavity of the furnace tube (2); the bottom end is closed and a first air inlet hole (321) is opened at the center of the bottom; the lower end of the furnace core tube (33) is connected to the inner wall of the first air inlet hole (321) and an annular combustion chamber is formed between the lower end of the furnace core tube (33) and the combustion tube (32); the upper end thereof extends into the inner cavity of the furnace tube (2) and a plurality of second air inlet holes (331) are opened on the upper side wall; the fuel inlet (323) is opened at the bottom of the combustion tube (32) and communicates with the annular combustion chamber.

8. The high-efficiency energy-saving heating stove according to claim 7, characterized in that: The combustion chamber (3) further comprises a flow guide assembly, a plurality of third air inlet holes (322) are circumferentially spaced apart at the lower portion of the combustion tube (32), the flow guide assembly is mounted on the outer peripheral side of the combustion tube (32), one end of the flow guide assembly is connected to the third air inlet holes (322), and the other end is connected to the inner cavity of the base (1).

9. The energy-efficient heating stove according to claim 8, characterized in that: The flow guide component is an air guide cover (34), which is a cylindrical structure with a closed bottom, and is sleeved on the outer peripheral side of the combustion tube (32) and has a combustion tube mounting hole at its bottom, and an oxygen inlet hole (341) at its upper side wall; the lower end of the combustion tube (32) is mounted in the combustion tube mounting hole, and the third air inlet hole (322) is connected to the inner cavity of the air guide cover (34).

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