CN210425110U - Environment-friendly energy-saving firewood stove - Google Patents
Environment-friendly energy-saving firewood stove Download PDFInfo
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- CN210425110U CN210425110U CN201921204185.2U CN201921204185U CN210425110U CN 210425110 U CN210425110 U CN 210425110U CN 201921204185 U CN201921204185 U CN 201921204185U CN 210425110 U CN210425110 U CN 210425110U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
An environment-friendly energy-saving firewood stove comprises a stove body, wherein a hearth air inlet is formed in the lower portion of the stove body, a stove opening is formed in the top of the stove body, a feeding pipe is arranged on the side wall of the stove body, an ash leakage grid is arranged in a hearth of the stove body, a shell is arranged outside the stove body and wraps the stove body, an interlayer space is formed between the shell and the stove body, and the interlayer space is communicated with the hearth through the hearth air inlet; the shell is provided with an air door. The firewood stove provided by the utility model can preheat the inlet air in the hearth, not only can avoid reducing the temperature of the hearth, but also can reduce the temperature around the shell, and improves the heat utilization rate; the flame injection effect of the furnace mouth is stronger, and the firepower is more concentrated.
Description
Technical Field
The utility model belongs to the cooking utensil field, in particular to an environmental protection and energy saving firewood stove.
Background
Although natural gas stoves are becoming popular, in rural areas, firewood stoves are still very common cooking utensils, firewood stoves cook firewood and balloonflower by burning fuel such as firewood and the like, and the existing firewood stoves have many disadvantages, such as the "rocket stove" described in chinese patent document CN 105258161A, including the following disadvantages:
1. air preheating is not carried out on inlet air in the hearth, and cold air flows into the hearth, so that the temperature in the hearth is reduced, and the heat efficiency is reduced;
2. although the conventional rocket furnaces are provided with secondary air supply, the flow rate of the secondary air supply is too low, and the formed flame injection effect is not strong;
3. in a combustion area of fuel in a hearth, the fuel is easy to block an air inlet channel, and oxygen is not supplied enough, so that the fuel is not combusted sufficiently, dense smoke is large, and energy is not saved enough; specifically, because the ash leakage grid is a flat plate structure, fuel is placed on the ash leakage grid, and air inlet is easily blocked.
In addition, the surface of the hearth of the common match stove has higher temperature, so that cooking personnel are easily scalded.
SUMMERY OF THE UTILITY MODEL
In view of the technical problems in the background art, the environment-friendly and energy-saving firewood stove provided by the utility model can preheat the inlet air in the hearth, not only can avoid reducing the temperature of the hearth, but also can reduce the temperature around the shell, and improve the heat utilization rate; the flame injection effect of the furnace mouth is stronger, and the firepower is more concentrated.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:
an environment-friendly energy-saving firewood stove comprises a stove body, wherein a hearth air inlet is formed in the lower portion of the stove body, a stove opening is formed in the top of the stove body, a feeding pipe is arranged on the side wall of the stove body, an ash leakage grid is arranged in a hearth of the stove body, a shell is arranged outside the stove body and wraps the stove body, an interlayer space is formed between the shell and the stove body, and the interlayer space is communicated with the hearth through the hearth air inlet; the shell is provided with an air door.
In the preferred scheme, the air door is communicated with an air inlet pipeline, the air inlet pipeline is positioned in the interlayer space, an air outlet is arranged at the upper part of the side wall of the air inlet pipeline, and the air outlet of the air inlet pipeline is positioned at the upper part of the interlayer space.
In the preferred scheme, the quantity of air door be two, two air doors are located the lower part of the same side of shell, every air door all is connected with an air inlet pipe, one of them air inlet pipe is vertical upwards to be set up, another air inlet pipe sets up towards the relative one side slope of air door, the opening opposite direction of two air inlet pipe air outlets.
In the preferred scheme, a base is arranged at the bottom of the furnace body, the base is of a hollow structure, an ash deposition box is arranged in the base, and the ash deposition box is positioned below the ash leakage grating; the hearth air inlet is positioned at the lower part of the furnace body and is annularly arranged on the outer wall of the furnace body.
In the preferred scheme, the furnace body middle part be reducing pipe structure, the middle part of reducing pipe is inside sunken, and the pipe diameter of reducing pipe becomes wide gradually to both ends by the depressed place, reducing pipe upper portion is equipped with a plurality of secondary air supply holes, a plurality of secondary air supply hole ring-type are arranged.
In the preferable scheme, the middle part of the ash leakage grating is downwards sunken.
In the preferred scheme, a hearth is arranged at the fire hole, the hearth is of a hollow box structure, a lower bottom plate of the hearth is communicated with the fire hole, a top plate of the hearth is provided with the fire hole, and the fire hole is positioned right above the fire hole; a smoke pipe is arranged at the corner of the upper top plate of the cooking bench; be equipped with first ring board and the second ring board that keeps off fire in the top of a kitchen range, first ring board and the second ring board that keeps off fire are the annular slab, and first ring board that keeps off fire sets up the upper surface at top of a kitchen range lower plate, has the clearance between first ring board that keeps off fire and the top of a kitchen range upper plate, and the second ring board that keeps off fire sets up the lower surface at top of a kitchen range upper plate, has the clearance between second ring board that keeps off fire and the top of a kitchen range lower plate.
In a preferable scheme, the width of the second fire-blocking ring plate is gradually reduced from one side to the other side, and the side with the large width of the second fire-blocking ring plate is arranged close to the smoke pipe.
In a preferred embodiment, the diameter of the second firestop ring plate is gradually reduced from the upper end to the lower end.
In the preferred scheme, a panel is arranged above the cooking bench, a round opening is formed in the panel, the round opening is positioned right above the fire hole, the panel is fixed through a support, and a gap is formed between the panel and the cooking bench; the tobacco pipe runs through the panel setting, and the panel outside has cup jointed the guard ring.
This patent can reach following beneficial effect:
1. the environment-friendly energy-saving firewood stove provided by the utility model has the advantages that the outside air enters the interlayer space from the air door, and the heat of the stove body is utilized to preheat the air; because the air outlet of the air inlet pipeline is positioned at the upper part of the interlayer space, the distance of air circulation is increased, the air preheating effect is good, and cold air enters the hearth from the air inlet of the hearth after being preheated; compared with the traditional air inlet mode, the preheated air can avoid the temperature reduction in the hearth.
2. When the hot air flow rising in the hearth passes through the reducer pipe, the Bernoulli theorem is utilized to accelerate the circulation speed of the hot air flow, so that the pressure difference at the secondary air supply hole is increased, the air inlet speed of the secondary air supply hole is improved, the secondary air inlet hole is positioned at the upper part of the reducer pipe, the secondary air enters upwards, the flame injection effect is improved, and the heat quantity of the dish pot is large.
3. Meanwhile, air entering the secondary air supplementing hole can enable smoke which is not fully combusted to be secondarily oxygenated and combusted, and therefore combustion efficiency is improved.
4. In two air inlet pipes, an air inlet pipe is vertical upwards to be set up, and another air inlet pipe sets up towards the relative one side slope of air door, and the opening opposite direction of two air inlet pipe air outlets, two air inlet pipe air outlets have formed the air current of convection current for hot-air has rotatory effect, has further improved the air and has preheated the effect.
5. Traditional ash leakage grid, the hole of ash leakage grid is blockked up easily to fuel to reduced the oxygen supply volume, and this technical scheme's ash leakage grid, air can be followed ash leakage grid side and got into, has avoided the air to be blockked up.
6. The first fire blocking ring plate and the second fire blocking ring plate prevent flame from scattering outwards, so that a heat source is not concentrated, and meanwhile, the temperature outside the cooking bench is prevented from being too high.
7. A gap exists between the panel and the cooking bench, so that the phenomenon that the temperature of the panel is too high to scald cooking personnel is avoided.
8. The interlayer space can also play a role in heat insulation, and the external temperature of the shell is reduced.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is a view of the appearance structure of the present invention;
fig. 2 is a first view-angle internal structure diagram of the present invention, in which the housing, the base and the panel are not shown;
fig. 3 is a second view-angle internal structure diagram of the present invention, in which the housing, the base and the panel are not shown;
FIG. 4 is a view of the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 4;
FIG. 6 is an enlarged view of FIG. 4 at B;
FIG. 7 is a schematic view of a flow path of flue gas in the cooking bench of the present invention, wherein the second fire-stop ring plate is a straight cylinder;
fig. 8 is a schematic view of a flow path of flue gas in the cooking bench of the present invention, and the diameter of the second fire-blocking ring plate is a gradually narrowing structure.
In the figure: the device comprises a furnace body 1, a hearth air inlet 101, a feeding pipe 102, an ash leakage grid 103, a reducer 104, a secondary air supplementing hole 105, a shell 2, an air door 3, an air inlet pipeline 4, a base 5, an ash deposition box 501, a cooking bench 6, a cooking range opening 601, a smoke pipe 7, a first fire blocking ring plate 801, a second fire blocking ring plate 802, a panel 9, a support 10, a protection ring 11 and a dish pot 12.
Detailed Description
The preferable scheme is as shown in fig. 1 to 7, the environment-friendly energy-saving firewood stove comprises a stove body 1, a hearth air inlet 101 is arranged at the lower part of the stove body 1, a stove opening is arranged at the top of the stove body 1, a feeding pipe 102 is arranged on the side wall of the stove body 1, an ash leakage grid 103 is arranged in a hearth of the stove body 1, a shell 2 is arranged outside the stove body 1, the stove body 1 is wrapped by the shell 2, an interlayer space is formed between the shell 2 and the stove body 1, and the interlayer space is communicated with the hearth through the hearth air; the shell 2 is provided with an air door 3. The top of the feeding pipe 102 is provided with a feeding door, and the fuel entering from the feeding pipe 102 is thrown to the upper part of the ash leakage grid 103 for combustion. When the air door 3 is closed, except that the hearth air inlet 101 communicates the shell 2 with the furnace body 1, the interlayer space between the shell 2 and the furnace body 1 is a closed space.
Further, the air door 3 is communicated with an air inlet pipeline 4, the air inlet pipeline 4 is located in the interlayer space, an air outlet is formed in the upper portion of the side wall of the air inlet pipeline 4, and the air outlet of the air inlet pipeline 4 is located in the upper portion of the interlayer space. Outside air gets into by air door 3, lets in to the intermediate layer space in, utilizes the heat of furnace body 1 to carry out the air preheating, and the air outlet of intake stack 4 is located the upper portion in intermediate layer space, then can improve the air preheating effect, and the distance of circulation of air increases.
Further, the quantity of air door 3 is two, and two air doors 3 are located the lower part of the same side of shell 2, and every air door 3 all is connected with an intake stack 4, and one of them intake stack 4 is vertical upwards to be set up, and another intake stack 4 sets up towards the relative one side slope of air door 3, and the opening direction of two intake stack 4 air outlets is opposite. The air outlets of the two air inlet pipelines 4 form convective air flow, so that hot air has a rotating effect, and the air preheating effect is further improved.
Further, a base 5 is arranged at the bottom of the furnace body 1, the base 5 is of a hollow structure, an ash deposition box 501 is arranged in the base 5, and the ash deposition box 501 is positioned below the ash leakage grid 103; the hearth air inlet 101 is positioned at the lower part of the furnace body 1, and the hearth air inlet 101 is annularly arranged on the outer wall of the furnace body 1. The ash-accumulating box 501 is a drawer structure and is used for collecting plant ash generated by fuel combustion.
Further, the middle part of the furnace body 1 is of a reducer 104 structure, the middle part of the reducer 104 is recessed inwards, the pipe diameter of the reducer 104 gradually becomes wider from the recessed part to two ends, the upper part of the reducer 104 is provided with a plurality of secondary air supplementing holes 105, and the plurality of secondary air supplementing holes 105 are annularly arranged. The structure of the reducer 104 is similar to that of a venturi tube, and the flow speed of hot air is accelerated by Bernoulli's theorem, so that the pressure difference at the secondary air supply hole 105 is increased, the air inlet speed of the secondary air supply hole 105 is increased, and the flame injection effect is improved.
Further, the middle part of the ash leakage grille 103 is arranged in a downward concave mode. Traditional ash leakage grid, the hole of ash leakage grid is blockked up easily to fuel to reduced the oxygen supply volume, and this technical scheme's ash leakage grid 103, the air can be followed ash leakage grid 103 side and got into, has avoided the air to be blockked up.
Further, a cooking bench 6 is arranged at the fire hole, the cooking bench 6 is of a hollow box body structure, a lower bottom plate of the cooking bench 6 is communicated with the fire hole, a top plate of the cooking bench 6 is provided with a fire hole 601, and the fire hole 601 is positioned right above the fire hole; a smoke pipe 7 is arranged on the top plate corner of the cooking bench 6; be equipped with first ring board 801 and second ring board 802 that keeps off fire in top of a kitchen range 6, first ring board 801 that keeps off fire and second ring board 802 that keeps off fire are the annular slab, and first ring board 801 that keeps off fire sets up the upper surface at top of a kitchen range 6 lower plate, has the clearance between the roof on first ring board 801 that keeps off fire and top of a kitchen range 6, and second ring board 802 that keeps off fire sets up the lower surface at top of a kitchen range 6 upper plate, has the clearance between second ring board 802 that keeps off fire and the top of a kitchen range 6 lower plate. The first fire ring plate 801 and the second fire ring plate 802 prevent flames from scattering outward, thereby causing a non-concentrated heat source and simultaneously preventing an excessive temperature outside the cooking top 6.
Further, the width of the second fire baffle ring plate 802 gradually decreases from one side to the other side, and the side with the larger width of the second fire baffle ring plate 802 is arranged close to the smoke pipe 7.
Furthermore, a panel 9 is arranged above the cooking bench 6, a circular opening is formed in the panel 9, the circular opening is located right above the fire hole, the panel 9 is fixed through a support 10, and a gap is formed between the panel 9 and the cooking bench 6; the smoke tube 7 is arranged by penetrating the panel 9, and the outside of the panel 9 is sleeved with a protective ring 11. The panel 9 is used for placing bowls and chopsticks, and a gap is arranged between the panel 9 and the cooking bench 6, so that the panel 9 is prevented from being heated too high to scald cooking personnel. The circular opening is shown for placing the dish pot 12 and is larger in diameter than the cooking range 601 because of the arc configuration at the bottom of the dish pot 12.
In a preferred embodiment, as shown in FIG. 8, the diameter of the second firestop ring plate 802 is tapered from an upper end to a lower end. The upper edge of the second fire-blocking ring plate 802 is tangent to the smoke pipe, the second fire-blocking ring plate 802 forms a smoke cavity, the heat of smoke can further heat the dish pot 12, and the heat utilization rate is improved.
The working principle of the whole device is as follows:
putting fuel such as wood or platycodon grandiflorum into a feed pipe 102, and enabling the fuel to enter the upper part of an ash leakage grid 103 for combustion; opening the air door, allowing external air to enter the interlayer space through the air door 3, and preheating the air by using the heat of the furnace body 1;
because the air outlet of the air inlet pipeline 4 is positioned at the upper part of the interlayer space, the distance of air circulation is increased, the air preheating effect is good, and cold air enters the hearth from the air inlet 101 of the hearth after being preheated; compared with the traditional air inlet mode, the preheated air can avoid the temperature reduction in the hearth;
when the hot air flow rising in the hearth passes through the reducer 104, the flow speed of the hot air flow is accelerated by using the Bernoulli theorem, so that the pressure difference at the secondary air supply hole 105 is increased, the air inlet speed of the secondary air supply hole 105 is improved, and the flame injection effect is improved; thereby leading the heat of the dish pot to be large;
meanwhile, air entering the secondary air supplementing hole 105 can enable smoke which is not fully combusted to be secondarily oxygenated and combusted, and therefore combustion efficiency is improved.
Claims (10)
1. The utility model provides an environmental protection and energy saving firewood kitchen, includes furnace body (1), and furnace body (1) lower part is equipped with furnace air intake (101), and furnace body (1) top is equipped with the fire door, and furnace body (1) lateral wall is equipped with inlet pipe (102), is equipped with ash leakage grid (103), its characterized in that in the furnace of furnace body (1): a shell (2) is arranged outside the furnace body (1), the furnace body (1) is wrapped by the shell (2), an interlayer space is formed between the shell (2) and the furnace body (1), and the interlayer space is communicated with the hearth through a hearth air inlet (101); an air door (3) is arranged on the shell (2).
2. The environment-friendly energy-saving firewood stove as claimed in claim 1, characterized in that: air door (3) and air inlet pipe (4) intercommunication, air inlet pipe (4) are located the intermediate layer space in, air inlet pipe (4) lateral wall upper portion is equipped with the air outlet, and the air outlet of air inlet pipe (4) is located the upper portion in intermediate layer space.
3. The environment-friendly energy-saving firewood stove as claimed in claim 2, characterized in that: the quantity of air door (3) is two, and two air doors (3) are located the lower part of shell (2) same side, and every air door (3) all are connected with an air inlet pipe (4), and one of them air inlet pipe (4) is vertical upwards to be set up, and another air inlet pipe (4) sets up towards the relative one side slope of air door (3), and the opening opposite direction of two air inlet pipe (4) air outlets.
4. The environment-friendly energy-saving firewood stove as claimed in claim 1, characterized in that: the bottom of the furnace body (1) is provided with a base (5), the base (5) is of a hollow structure, an ash deposition box (501) is arranged in the base (5), and the ash deposition box (501) is positioned below the ash leakage grating (103); the hearth air inlet (101) is positioned at the lower part of the furnace body (1), and the hearth air inlet (101) is annularly arranged on the outer wall of the furnace body (1).
5. The environment-friendly energy-saving firewood stove as claimed in claim 1, characterized in that: furnace body (1) middle part is reducing pipe (104) structure, and the middle part of reducing pipe (104) is inside sunken, and the pipe diameter of reducing pipe (104) becomes wide gradually to both ends by the depressed place, and reducing pipe (104) upper portion is equipped with a plurality of secondary and mends wind hole (105), and a plurality of secondary mends wind hole (105) annular and arranges.
6. The environment-friendly energy-saving firewood stove as claimed in claim 1 or 4, characterized in that: the middle part of the ash leakage grating (103) is arranged in a downward concave way.
7. The environment-friendly energy-saving firewood stove as claimed in claim 1, characterized in that: a cooking bench (6) is arranged at the position of the furnace opening, the cooking bench (6) is of a hollow box body structure, the lower bottom plate of the cooking bench (6) is communicated with the furnace opening, a furnace opening (601) is formed in the upper top plate of the cooking bench (6), and the furnace opening (601) is positioned right above the furnace opening; a smoke pipe (7) is arranged at the upper top plate corner of the cooking bench (6); be equipped with first ring board (801) and second ring board (802) that keep off fire in top of a kitchen range (6), first ring board (801) that keeps off fire and second ring board (802) that keep off fire are the annular plate, first ring board (801) that keeps off fire set up the upper surface at top of a kitchen range (6) lower plate, there is the clearance between the roof on first ring board (801) that keeps off fire and top of a kitchen range (6), second ring board (802) that keeps off fire sets up the lower surface of roof on top of a kitchen range (6), there is the clearance between second ring board that keeps off fire (802) and the bottom plate of a kitchen range (6).
8. The environment-friendly energy-saving firewood stove as claimed in claim 7, characterized in that: the width of the second fire blocking ring plate (802) is gradually reduced from one side to the other side, and the side with the large width of the second fire blocking ring plate (802) is arranged close to the smoke pipe (7).
9. The environment-friendly energy-saving firewood stove as claimed in claim 7, characterized in that: the diameter of the second firestop ring plate (802) is gradually reduced from the upper end to the lower end.
10. The environment-friendly energy-saving firewood stove as claimed in claim 7, characterized in that: a panel (9) is arranged above the cooking bench (6), a round opening is formed in the panel (9), the round opening is positioned right above the fire hole, the panel (9) is fixed through a support (10), and a gap is formed between the panel (9) and the cooking bench (6); the smoke tube (7) penetrates through the panel (9), and a protective ring (11) is sleeved outside the panel (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204185.2U CN210425110U (en) | 2019-07-29 | 2019-07-29 | Environment-friendly energy-saving firewood stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204185.2U CN210425110U (en) | 2019-07-29 | 2019-07-29 | Environment-friendly energy-saving firewood stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210425110U true CN210425110U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921204185.2U Active CN210425110U (en) | 2019-07-29 | 2019-07-29 | Environment-friendly energy-saving firewood stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210425110U (en) |
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2019
- 2019-07-29 CN CN201921204185.2U patent/CN210425110U/en active Active
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