Civil energy-saving hot blast stove
By setting up a heat absorption chamber and a combustion-supporting natural air distribution pipe in a civilian hot air furnace, combined with heat dissipation fins and heat absorption fins, the problems of high air leakage rate, low heat exchange efficiency and incomplete combustion in civilian hot air furnaces are solved, achieving efficient combustion and efficient heat exchange, and improving the hot air output and utilization efficiency.
Patent Information
- Application Number
- CN202422944844.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Existing civilian hot air furnaces generally suffer from problems such as high air leakage rate, low heat exchange efficiency, low hot air output, incomplete combustion, and high combustion pollution.
A heat absorption chamber is set at the combustion chamber outlet, and an auxiliary combustion air distribution duct is installed in the heat absorption chamber to assist the secondary combustion of fuel. Heat exchange is carried out in combination with heat dissipation fins and heat absorption fins to improve combustion efficiency and heat exchange efficiency.
It achieves complete fuel combustion, high heat exchange efficiency, large hot air output, low pollution, multiple functions, high practicality, and high utilization efficiency.
Smart Images

Figure CN223855863U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hot -blast stove technical field especially relates to a kind of civil energy-saving hot -blast stove. BACKGROUND
[0002] Hot -blast stove is a kind of high-efficiency, environmental protection, energy-saving heat equipment, main function is to heat air to the required temperature, then send into each place needing hot blast, meet different process needs, hot -blast stove heats the blast of blower to the required temperature, to improve the benefit and efficiency of hot -blast stove.
[0003] There are many kinds of hot -blast stove on the market, and it is generally divided into vertical and horizontal hot -blast stove, and most of the civil hot -blast stove is rough, and the air leakage rate is large, the heat exchange efficiency is low, the heat exchange degree is low, the hot blast air output is low, and there are problems of incomplete combustion and large combustion pollution. SUMMARY
[0004] In order to overcome the deficiencies of the prior art, the utility model provides a kind of civil energy-saving hot -blast stove, and the heat absorption chamber is arranged at the fire outlet position of combustion chamber, and the combustion-supporting natural air distribution pipe is arranged in the heat absorption chamber, to assist the secondary combustion of fuel in the combustion chamber, to continuously heat, and the heat absorption chamber is covered by the heat dissipation chamber outside, the heat absorption fins are arranged in the heat absorption chamber, and the heat dissipation fins are arranged outside the heat absorption chamber, the cold air blown by the blower in the lower part of the heat dissipation chamber is heated by the heat dissipation fins in the heat dissipation chamber, and then the hot blast air flows out from the air outlet, the fuel is completely combusted, the heat exchange efficiency is high, the heat exchange degree is high, the hot blast air output is large, and the pollution is less.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A kind of civil energy-saving hot -blast stove, including furnace body, combustion chamber, heat dissipation chamber, heat absorption chamber, chimney and air outlet, the furnace body front end is provided with combustion chamber, and the heat absorption chamber is arranged at the fire outlet of combustion chamber, and the heat dissipation chamber is arranged outside the heat absorption chamber, the heat absorption chamber is contained in the heat dissipation chamber, the heat absorption chamber flue gas outlet is connected with chimney, the lower part of heat dissipation chamber is provided with blower air inlet to connect fan, and the furnace body top is provided with air outlet;The combustion chamber is provided with combustion stove pipe inside, the combustion stove pipe is provided with coal adding stove door on one side, the combustion stove pipe outer surface is provided with heat dissipation fin, the combustion stove pipe outer surface is provided with combustion-supporting belt on both sides, the combustion-supporting belt is provided with a plurality of air inlet holes, the combustion stove pipe is provided with air hole corresponding to combustion-supporting belt air inlet hole position, the combustion-supporting belt lower part is provided with vertical air pipe, the vertical air pipe is connected with furnace body base air inlet, the upper part of combustion chamber is provided with fire extinguishing and combustion-resisting cover, and the fire outlet of combustion chamber is provided with fire adjusting valve;The heat absorption chamber is provided with a plurality of heat absorption fins around, the heat absorption chamber outer surface is provided with a plurality of heat dissipation fins, the heat absorption chamber is provided with combustion-supporting natural air distribution pipe, and the combustion-supporting natural air distribution pipe is connected with furnace body base air inlet.
[0007] Further, the combustion chamber bottom is provided with ash removal port.
[0008] Further, the combustion furnace is provided with a grate.
[0009] Further, the top of the combustion chamber is provided with a pot seat.
[0010] Further, the combustion natural air distribution pipe is vertically arranged, and the combustion natural air distribution pipe is provided with a plurality of air inlet holes in the heat absorption chamber.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1) The combustion chamber is provided with combustion supporting belts on both sides, auxiliary combustion chamber air inlet combustion, simple combustion chamber structure, high fuel combustion rate, high fuel combustion degree, high fuel utilization rate, high heat generation, and high thermal efficiency.
[0013] 2) The combustion natural air distribution pipe is arranged in the heat absorption chamber, secondary combustion air distribution, the combustion chamber outlet of the heat absorption chamber is secondary combustion in the heat absorption chamber, complete fuel combustion, complete fuel utilization, high heat exchange available heat, high thermal efficiency, complete combustion pollution, and small amount of dust removal.
[0014] 3) The air inlet of the air blower is respectively heat exchanged with the heat dissipation fins outside the combustion chamber and the heat dissipation fins outside the heat absorption chamber, high heat exchange degree, high heat exchange efficiency, and large hot air outlet.
[0015] 4) The top of the combustion chamber is provided with a pot seat, which can be used for civil pot heating on the top of the combustion chamber, the hot blast stove has multiple functions, high utilization rate, high practicality, and high use efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a sectional view structure schematic diagram of the civil energy-saving hot blast stove.
[0017] Figure 2 It is a left view sectional view of the civil energy-saving hot blast stove.
[0018] Figure 3 It is a top view sectional view of the civil energy-saving hot blast stove.
[0019] Figure 4 It is a front view of the hot blast stove.
[0020] Figure 5 It is a right view of the hot blast stove.
[0021] In the diagram: 1. Air outlet; 2. Furnace body; 3. Furnace chamber; 4. Heat dissipation fins; 5. Heat absorption fins; 6. Combustion-aided natural air distribution duct; 7. Furnace body base air inlet; 8. Blower air inlet; 9. Chimney; 10. Boiler seat; 11. Coal feeding furnace door; 12. Flame-retardant sealing cover; 13. Combustion chamber; 14. Ash removal port; 15. Grate; 16. Heat dissipation chamber; 17. Combustion-aiding strip; 18. Heat absorption chamber; 19. Combustion furnace chamber; 20. Vertical air duct; 21. Flame regulating valve; 22. Fire outlet. Detailed Implementation
[0022] The specific embodiments of this utility model are further described below:
[0023] In the description of this patent, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the invention and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of the invention. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.
[0024] For ease of description, spatial relative terms such as "above," "over," "on the upper surface," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation besides the orientation of the device as described in the figures. For example, if the device in the figures is inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly. Unless otherwise stated, the above terms have no special meaning and should not be construed as limiting the scope of protection of this invention.
[0025] like Figures 1-5As shown, the working principle of a civil energy-saving hot blast furnace: combustion chamber 13 through the combustion zone 17 gas hole into the combustion chamber 13 mixed with fuel combustion, improve the combustion rate of fuel, combustion chamber 13 out of the fire position set heat absorption chamber 16, heat absorption chamber 18 set combustion natural air distribution pipe 6, combustion natural air distribution pipe 6 for secondary combustion air distribution, natural wind into the heat absorption chamber 18 after the out of the fire with the unburned fuel secondary combustion, fuel combustion more thoroughly, heat production higher, heat dissipation chamber 16 bottom of the blower inlet 8 into the wind a part of the combustion chamber 13 outside the heat dissipation fin 4 heat exchange, another part with the heat dissipation fin 4 set outside the heat absorption chamber 18 heat exchange, heat exchange after hot air through the air outlet 1 discharge, the hot air discharged into the various places where the hot air is needed, heat exchange efficiency is high, heat exchange degree is high, hot air air volume is large, less pollution.
[0026] As Figures 1-5As shown, a kind of civil energy-saving hot blast furnace, including furnace body 2, combustion chamber 13, heat dissipation chamber 16, heat absorption chamber 18, chimney 9 and air outlet 1, the furnace body 2 front section is provided with combustion chamber 13, the fire outlet 22 of combustion chamber 13 is provided with heat absorption chamber 18, the outside of heat absorption chamber 18 is provided with heat dissipation chamber 16, heat absorption chamber 18 is contained in heat dissipation chamber 16, heat absorption chamber 18 and heat dissipation chamber 16 are separated by stove pipe 3, heat absorption fin 5 is arranged in stove pipe 3, and the heat of heat absorption chamber 18 is absorbed, heat dissipation fin 4 is arranged outside stove pipe 3, cold air enters the heat exchange of heat dissipation fin 4 with the heat dissipation chamber 16 of air outlet 8 of air blower, heat dissipation chamber 16 wraps heat absorption chamber 18, the air inlet 360 ° in heat dissipation chamber 16 is exchanged with the heat dissipation fin 4 of the outside of heat absorption chamber 18, the degree of heat exchange is high, and the heat exchange efficiency is high, the flue gas outlet of heat absorption chamber 18 is connected with chimney 9, the lower portion of heat dissipation chamber 16 is provided with air inlet 8 connected with fan, and the top of furnace body 2 is provided with air outlet 1;The inside of the combustion chamber 13 is provided with combustion stove pipe 19, the combustion stove pipe 19 is composed of cylindrical seamless pipe, the combustion stove pipe 19 is provided with coal adding stove door 11 on the side, the coal adding stove door 11 adds fuel, the combustion stove pipe 19 is communicated with fire outlet 22, the outer surface of combustion stove pipe 19 is provided with heat dissipation fin 4, the combustion stove pipe 19 is provided with combustion-supporting belt 17 on the two sides outside, a plurality of air inlets are arranged on combustion-supporting belt 17, the combustion stove pipe 19 is provided with air hole corresponding to the air inlet position of combustion-supporting belt 17, the lower portion of combustion-supporting belt 17 is provided with vertical air pipe 20, the vertical air pipe 20 is connected with air inlet 7 of furnace body base, so that the combustion-supporting natural wind enters combustion-supporting belt 17 through vertical air pipe 20, the natural wind enters the air hole of relatively positioned combustion chamber 13 through the air inlet on combustion-supporting belt 17, so as to enter combustion chamber 13, and the combustion-supporting effect is achieved;The top of combustion chamber 13 is provided with fire-retardant cover 12, the fire outlet 22 of combustion chamber 13 is provided with fire adjusting valve 21, and the size of flame is controlled by fire adjusting valve;The periphery of heat absorption chamber 18 is provided with a plurality of heat absorption fins 5, the heat absorption fins 5 absorb the heat of secondary combustion in heat absorption chamber 18, and the heat energy utilization rate is higher, the outer surface of heat absorption chamber 18 is provided with a plurality of heat dissipation fins 4, heat absorption chamber 18 is provided with combustion-supporting natural air distribution pipe 6, combustion-supporting natural air distribution pipe 6 is connected with air inlet 7 of furnace body base, natural wind enters combustion-supporting natural air distribution pipe 6 from air inlet 7 of furnace body base, enters heat absorption chamber 18 through the air inlet of combustion-supporting natural air distribution pipe 6, and achieves secondary combustion with unburned fuel in fire outlet 22, and the flue gas after fuel combustion is discharged from through-pit chimney 9.
[0027] Further, the combustion chamber bottom is provided with ash removal port 14.
[0028] Further, the combustion stove pipe 2 is provided with grate 15.
[0029] Further, the top of combustion chamber 13 is provided with pot placing opening 10, various civil pots can be placed on pot placing opening 10, and the practicability and use efficiency of hot blast furnace are improved.
[0030] Further, the combustion-supporting natural air distribution pipe 6 is vertically arranged, and a plurality of air inlet holes are arranged on the combustion-supporting natural air distribution pipe 6 at a portion of the heat absorption chamber 18, so that the natural air enters the heat absorption chamber 18 through the air inlet holes and mixes with the unburned fuel for secondary combustion.
[0031] The above merely provides the preferred embodiment of the present application, and the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A civil energy-saving hot-air furnace comprising a furnace body, a combustion chamber, a heat-dissipating chamber, a heat-absorbing chamber, a chimney and an air outlet, characterized in that, The front end of the furnace body is provided with a combustion chamber, the fire outlet of the combustion chamber is provided with a heat absorption chamber, the outside of the heat absorption chamber is provided with a heat dissipation chamber, the heat absorption chamber is contained in the heat dissipation chamber, the flue gas outlet of the heat absorption chamber is connected with a chimney, the lower part of the heat dissipation chamber is provided with a blower inlet connected with a fan, the top of the furnace body is provided with an air outlet; the inside of the combustion chamber is provided with a combustion stove pipe, one side of the combustion stove pipe is provided with a coal feeding door, the outer surface of the combustion stove pipe is provided with heat dissipation fins, the outside of the combustion stove pipe is provided with combustion supporting belts on both sides, a plurality of air inlets are arranged on the combustion supporting belts, air inlets are arranged on the combustion supporting belts corresponding to the air inlets of the combustion supporting belts, the lower part of the combustion supporting belts is provided with a vertical air pipe connected with the air inlet of the furnace body base, the upper part of the combustion chamber is provided with a fire extinguishing and combustion resisting cover, and a fire adjusting valve is arranged at the fire outlet of the combustion chamber; a plurality of heat absorption fins are arranged around the inside of the heat absorption chamber, a plurality of heat dissipation fins are arranged on the outer surface of the heat absorption chamber, and a combustion supporting and natural air distribution pipe is arranged in the heat absorption chamber and connected with the air inlet of the furnace body base.
2. A domestic energy saving hot air oven as claimed in claim 1 wherein, The bottom of the combustion chamber is provided with a dust cleaning port.
3. A domestic energy saving hot air oven as claimed in claim 1, wherein The combustion stove pipe is provided with a grate.
4. A domestic energy saving hot air furnace as claimed in claim 1 wherein, The top of the combustion chamber is provided with a pot sitting port.
5. A domestic energy saving hot air oven as claimed in claim 1, wherein, The combustion supporting and natural air distribution pipe is vertically arranged, and a plurality of air inlets are arranged on the part of the combustion supporting and natural air distribution pipe in the heat absorption chamber.