CN216591802U - Combustion furnace - Google Patents

Abstract

The utility model discloses a combustion furnace, comprising: the furnace body, the furnace body is equipped with first combustion chamber, the flue gas chamber, first pot frame and second pot frame, first combustion chamber is equipped with first grate, the furnace body is fixed to be equipped with the squib, in the first end of squib stretched into first combustion chamber, the first end of squib was equipped with first end under shed and first end upper shed, first pot frame is located first end upper shed's top, in the second end of squib stretched into the flue gas chamber, the second end of squib was equipped with the second and holds the upper shed, the second pot frame is located the second and holds the upper shed top. When the combustion furnace is used, fuel is combusted in the first combustion chamber, flame can reach two pot racks, two cooking operations can be carried out simultaneously, and the life is convenient; the flue gas gets into the flue gas chamber by the squib, and the exhaust port is discharged at last, and first combustion chamber and flue gas chamber all can give off the heat, and the flue gas flow path is long, has effectively utilized the flue gas waste heat, and heating is effectual.

Description

Combustion furnace

Technical Field

The utility model relates to the technical field of combustion furnaces.

Background

In rural areas, a common combustion furnace is usually adopted for heating in winter, firewood or coal is used as fuel, flue gas generated by combustion of the fuel in a hearth is directly discharged, heat carried by the flue gas cannot be effectively utilized, waste is serious, and the combustion furnace is only provided with a pot frame, so that the requirement of family daily life cannot be met.

Disclosure of Invention

Aiming at the defects, the technical problem to be solved by the utility model is as follows: the combustion furnace with high heat utilization rate is provided, and the heating effect is good.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a combustion furnace, comprising: the boiler comprises a boiler body, wherein the boiler body is provided with a first combustion chamber, a flue gas chamber, a first boiler frame and a second boiler frame, a first grate is arranged at the lower part of the first combustion chamber, a fire guide pipe is fixedly arranged on the boiler body, the first end of the fire guide pipe extends into the first combustion chamber, the lower part of the first end of the fire guide pipe is provided with a first end lower opening, the upper part of the first end of the fire guide pipe is provided with a first end upper opening, the first boiler frame is positioned above the first end upper opening, the second end of the fire guide pipe extends into the flue gas chamber, the upper part of the second end of the fire guide pipe is provided with a second end upper opening, and the second boiler frame is positioned above the second end upper opening.

Preferably, a second combustion chamber is arranged above the upper opening of the first end, a second grate is arranged at the lower part of the second combustion chamber, the second grate is positioned at the upper opening of the first end, and a smoke exhaust valve is arranged between the first combustion chamber and the smoke gas chamber.

Preferably, a second combustion chamber is arranged above the upper opening of the first end, a second grate is arranged at the lower part of the second combustion chamber and is positioned at the upper opening of the first end, a baffle plate matched with the lower opening of the first end is arranged in the flame guide pipe, and a baffle plate pull rod extending out of the furnace body is fixedly arranged on the baffle plate.

Preferably, the second combustion chamber is enclosed by a vertical cylinder, and the second grate is fixed at the lower end of the vertical cylinder.

Preferably, a hopper is arranged above the second combustion chamber, a discharge pipe is fixedly arranged at a discharge port of the hopper, the discharge pipe extends into the vertical barrel, a support plate is fixedly arranged on the vertical barrel, and the support plate is supported on the first pot frame.

Preferably, an air inlet channel communicated with the second combustion chamber is reserved between the vertical cylinder and the discharge pipe, and a first air inlet valve for controlling the air inlet amount of the second combustion chamber is arranged at the upper end of the vertical cylinder.

Preferably, the discharge hole of the hopper is provided with a discharge valve.

Preferably, the flue gas chamber is provided with an oven, the oven being slidably connected with a drawer.

Preferably, the flue gas chamber is provided with a smoke outlet, the furnace body is fixedly provided with a flue pipe connecting box, the flue pipe connecting box is communicated between the smoke outlet and the smoke exhaust pipe, and the smoke exhaust pipe is fixed in the flue pipe connecting box.

Preferably, the furnace body is provided with a furnace door, and the furnace door is provided with a second air inlet valve for controlling the air inflow of the first combustion chamber.

After the technical scheme is adopted, the utility model has the beneficial effects that:

the combustion furnace comprises a furnace body, the furnace body is equipped with first combustion chamber, the flue gas room, first pot frame and second pot frame, the lower part of first combustion chamber is equipped with first grate, the furnace body is fixed and is equipped with the squib, the first end of squib stretches into in the first combustion chamber, the first end lower part of squib is equipped with first end under shed, the first end upper portion of squib is equipped with first end upper shed, first pot frame is located first end upper shed's top, the second end of squib stretches into in the flue gas room, the second end upper portion of squib is equipped with the second and holds the upper shed, the second pot frame is located the second and holds the upper shed top. When the combustion furnace is used, firewood or coal blocks are combusted in the first combustion chamber, most of flame generated by combustion reaches the first pot frame through the first end lower opening, the fire guide pipe and the first end upper opening in sequence, the rest flame reaches the second pot frame through the first end lower opening, the fire guide pipe and the second end upper opening in sequence, and flue gas generated by combustion enters the flue gas chamber through the first end lower opening, the fire guide pipe and the second end upper opening in sequence and is finally discharged out of the flue gas chamber. The first combustion chamber can outwards give off heat, and the flue gas chamber also can outwards give off heat, and the setting of flue gas chamber has prolonged the flow path of flue gas, has effectively utilized the heat that the flue gas carried, and heating effect is good.

The furnace body is equipped with first pot frame and second pot frame, when needing cooking operations such as cooking, cooking congee or boiling water, places the pan in first pot frame or second pot frame, compares in prior art, can carry out two cooking operations simultaneously, and the life is convenient.

Drawings

FIG. 1 is a schematic perspective view of a first embodiment of a burner of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 2 with the cover removed;

FIG. 4 is a schematic illustration of the squib of FIG. 2;

FIG. 5 is a schematic perspective view of a second embodiment of a burner of the present invention;

FIG. 6 is a schematic cross-sectional view of FIG. 5;

FIG. 7 is a schematic view of the discharge valve of FIG. 6;

FIG. 8 is a schematic view of the second smoke inlet valve of FIG. 6;

FIG. 9 is a schematic view of the vent valve of FIG. 6;

FIG. 10 is a schematic cross-sectional view of a third embodiment of a burner of the present invention;

in the figure: 1. a furnace body; 2. a first combustion chamber; 3. a flue gas chamber; 4. a first pot holder; 5. a second pot holder; 6. a first grate; 7. a squib; 71. the first end is open at the lower part; 72. the first end is provided with an opening; 73. the second end is provided with an opening; 8. a furnace door; 81. a glass window; 9. a smoke tube connecting box; 10. a smoke exhaust pipe; 11. a cover plate; 12. an oven; 13. a dust removal door; 14. a drawer; 15. a support leg; 16. a second combustion chamber; 17. a second grate; 18. a partition plate; 181. a smoke evacuation communication port; 19. a smoke exhaust valve plate; 20. a smoke evacuation pull rod; 21. a vertical cylinder; 211. fixing the air inlet; 22. a support plate; 23. a hopper; 24. a discharge pipe; 25. a discharge valve plate; 26. a baffle pull rod; 27. a baffle plate; 28. an ash chamber; 29. rotating the valve plate; 291. rotating the air inlet; 30. a second intake valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example one

As shown collectively in fig. 1-4, a burner comprising: furnace body 1, furnace body 1 is equipped with first combustion chamber 2, flue gas chamber 3, first wok stand 4 and second wok stand 5, set up side by side about first combustion chamber 2 and flue gas chamber 3, the lower part of first combustion chamber 2 is equipped with first grate 6, furnace body 1 is fixed and is equipped with horizontally fireguide tube 7, the first end of fireguide tube 7 stretches into in first combustion chamber 2, the first end lower part of fireguide tube 7 is equipped with first end under shed 71, the first end upper portion of fireguide tube 7 is equipped with first end upper shed 72, first wok stand 4 is located the top of first end upper shed 72, the second end of fireguide tube 7 stretches into in flue gas chamber 3, the second end upper portion of fireguide tube 7 is equipped with second end upper shed 73, second wok stand 5 is located the top of second end upper shed 73. Preferably, the first end lower opening 71, the first end upper opening 72 and the first wok stand 4 are arranged oppositely, and the second end upper opening 73 and the second wok stand 5 are arranged oppositely, so that flame can reach the wok stand smoothly and unimpededly.

An ash chamber 28 is arranged below the first grate 6, a furnace door 8 is hinged to the front side of the furnace body 1, the first combustion chamber 2 and the ash chamber 28 can be opened by opening the furnace door 8, a glass window 81 is arranged on the furnace door 8 and used for observing the combustion condition in the first combustion chamber 2, a second air inlet valve 30 is arranged on the furnace door 8, and the opening degree of the second air inlet valve 30 can be adjusted to adjust the air inflow of the first combustion chamber 2.

The flue gas chamber 3 is provided with a smoke outlet, the rear side of the furnace body 1 is fixedly provided with a flue tube connecting box 9, the flue tube connecting box 9 is fixedly provided with a smoke exhaust pipe 10, and the flue tube connecting box 9 is used for communicating the smoke exhaust pipe 10 with the smoke outlet.

The first wok stand 4 and the second wok stand 5 are respectively provided with the cover plates 11, and when the first wok stand 4 and the second wok stand 5 are not needed to be used, the two cover plates 11 are respectively covered on the first wok stand 4 and the second wok stand 5, so that smoke is prevented from escaping.

An oven 12 is fixedly arranged in the smoke gas chamber 3, the oven 12 is not communicated with the smoke gas chamber 3, a drawer 14 is connected in the oven 12 in a sliding mode, the oven 12 is used for baking food by utilizing heat carried by smoke gas, and the food is placed in the drawer 14.

The lower part of the flue gas chamber 3 is provided with an ash removing door 13, and the ash removing door 13 is opened to remove the ash and the like deposited in the flue gas chamber 3.

Supporting legs 15 are respectively and fixedly arranged on two sides of the lower part of the furnace body 1.

When the combustion furnace is used, firewood such as firewood, straw and the like or coal blocks are added into the first combustion chamber 2, most of flame generated by fuel combustion sequentially reaches the first boiler rack 4 from the first end lower opening 71 and the first end upper opening 72 of the fire guiding pipe 7, the rest flame sequentially reaches the second boiler rack 5 from the first end lower opening 71, the fire guiding pipe 7 and the second end upper opening 73, smoke enters the fire guiding pipe 7 from the first end lower opening 71, flows to the second end from the first end of the fire guiding pipe 7, enters the smoke chamber 3 from the second end upper opening 73, then flows into the smoke pipe connecting box 9 from the smoke chamber 3, is finally discharged through the smoke discharging pipe 10, and ash generated by combustion falls into the ash chamber 28 from the first grate 6. First combustion chamber 2 can outwards give off the heat, and flue gas chamber 3 also can outwards give off the heat, and flue gas chamber 3's setting has prolonged the flow path of flue gas, has effectively utilized the heat that the flue gas carried, and heating effect is good.

When cooking operations such as need cook, cook congee or boil water, take off apron 11, place the pan in first pot frame 4 or second pot frame 5, compare in prior art, this application has two pot frames, can carry out two cooking operations simultaneously, and the life is convenient.

The smoke exhaust pipe 10 can also be provided with a smoke exhaust fan, so that smoke exhaust is accelerated, air flow is increased, combustion is more violent, and a heating effect is better.

Example two

As shown in FIG. 5 and FIG. 6, the second embodiment has the same structure as the first embodiment, but the second combustion chamber 16 is arranged above the opening 72 at the first end, the second grate 17 is arranged at the lower part of the second combustion chamber 16, the second grate 17 is positioned at the opening 72 at the first end, and the smoke exhaust valve is arranged between the first combustion chamber 2 and the smoke gas chamber 3.

A partition plate 18 is arranged between the first combustion chamber 2 and the smoke chamber 3, as shown in fig. 9, the smoke exhaust valve comprises a smoke exhaust communicating port 181 arranged on the partition plate 18, a smoke exhaust valve plate 19 corresponding to the smoke exhaust communicating port 181 and a smoke exhaust pull rod 20 fixedly connected with the smoke exhaust valve plate 19, the smoke exhaust communicating port 181 is used for communicating the first combustion chamber 2 and the smoke chamber 3, the smoke exhaust pull rod 20 is slidably mounted on the partition plate 18, and the smoke exhaust pull rod 20 extends out of the furnace body 1. The opening size of the smoke evacuation communicating port 181 is adjusted by pulling the smoke evacuation pull rod 20.

The second combustion chamber 16 is enclosed by a vertical cylinder 21, and a second grate 17 is fixed at the lower end of the vertical cylinder 21.

As shown in fig. 7, a hopper 23 is arranged above the second combustion chamber 16, a discharge pipe 24 is fixedly arranged at a discharge port of the hopper 23, the discharge pipe 24 extends into the vertical cylinder 21, a discharge valve is arranged at the discharge port of the hopper, the discharge valve comprises a discharge valve plate 25 inserted between the discharge port of the hopper 23 and the discharge pipe 24, and the drawing discharge valve plate 25 can adjust the opening size of the discharge port and adjust the feeding speed. The hopper 23 has a large volume, stores a large amount of biomass particles, can continuously supply fuel to the second combustion chamber 16 for a long time, has long combustion time, does not need to frequently add fuel, is easy to manage, and is convenient to live.

An air inlet channel is reserved between the vertical cylinder 21 and the discharge pipe 24, and the upper end of the vertical cylinder is provided with a first air inlet valve for controlling the air inlet amount of the second combustion chamber 16. The first air inlet valve and the second air inlet valve are similar in structure, the first air inlet valve is taken as an example to explain the structure of the air inlet valve, as shown in fig. 8, the first air inlet valve comprises a fixed valve plate fixed on the discharge pipe 24 and a rotary valve plate 29 sleeved on the discharge pipe 24, the fixed valve plate is supported at the upper end of the vertical cylinder 21, the rotary valve plate 29 is stacked above the fixed valve plate, a fixed air inlet hole 211 is formed in the fixed valve plate, a rotary air inlet hole 291 is formed in the rotary valve plate 29, a hole formed by stacking the rotary air inlet hole 291 and the fixed air inlet hole 211 is an air inlet hole communicated with an air inlet channel, the rotary valve plate 29 is rotated, the size of the air inlet hole can be adjusted by adjusting the stacking degree of the rotary air inlet hole 291 and the fixed air inlet hole 211, and further the air inflow of the second combustion chamber 16 is adjusted.

When the combustion furnace is used, biomass particles are placed in the hopper 23, the discharge valve plate 25 is pulled outwards, the biomass particles in the hopper 23 fall onto the second grate 17, the valve plate 29 is rotated, the second combustion chamber 16 is communicated with the outside, the smoke exhaust pull rod 20 is pulled outwards, the first combustion chamber 2 is communicated with the smoke gas chamber 3, the biomass particles are combusted in the second combustion chamber 16, flame generated by combustion faces downwards, and part of smoke gas sequentially passes through the first end upper opening 72, the fire guide pipe 7, the first end lower opening 71, the first combustion chamber 2, the smoke exhaust communication port 181, the smoke gas chamber 3 and the smoke pipe connecting box 9 and is finally discharged through the smoke exhaust pipe 10. The remaining flue gases flow into the flue gas chamber 3 through the first end upper opening 72, the squib 7 and the second end upper opening 73.

If cooking operation is needed, the cover plate 11 on the second wok stand 5 is taken down, and the woks are placed on the second wok stand 5.

The smoke exhaust pipe 10 can also be provided with a smoke exhaust fan, so that smoke exhaust is accelerated, air flow is increased, combustion is more violent, and a heating effect is better.

EXAMPLE III

As shown in fig. 10, the third embodiment is substantially the same as the second embodiment, except that a baffle plate 27 adapted to the first lower end opening 71 is disposed in the squib 7, and a baffle pull rod 26 extending out of the furnace body 1 is fixed to the baffle plate 27.

Inwards promote baffle pull rod 26 and make baffle 27 cover first end under shed 71, the flame that biomass particles burning produced in second combustion chamber 16 flows to the second end by the first end of squib 7, and second pot frame 5 obtains more heat, and cooking effect is good, also can adjust the baffle 27 and cover the area of first end under shed 71, obtains better balance between cooking and heating, satisfies cooking and heating simultaneously.

When the firewood or the coal is burned, the first end lower opening 71 can be closed, the smoke exhaust communicating opening 181 is opened, so that the smoke flows into the smoke pipe connecting box 9 from the smoke exhaust communicating opening 181 and the smoke chamber 3 in sequence, and is finally discharged through the smoke exhaust pipe 10.

The foregoing is illustrative of the best mode of the utility model and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.

Claims (10)

1. A combustion furnace, comprising: the boiler body is characterized in that the boiler body is provided with a first combustion chamber, a flue gas chamber, a first boiler frame and a second boiler frame, a first grate is arranged on the lower portion of the first combustion chamber, a fire guide pipe is fixedly arranged on the boiler body, the first end of the fire guide pipe extends into the first combustion chamber, a first end lower opening is arranged on the lower portion of the first end of the fire guide pipe, a first end upper opening is arranged on the upper portion of the first end of the fire guide pipe, the first boiler frame is located above the first end upper opening, the second end of the fire guide pipe extends into the flue gas chamber, a second end upper opening is arranged on the upper portion of the second end of the fire guide pipe, and the second boiler frame is located above the second end upper opening.

2. The burner of claim 1 wherein a second combustion chamber is positioned above the opening at the first end, a second grate is positioned below the second combustion chamber, the second grate is positioned at the opening at the first end, and a smoke exhaust valve is positioned between the first combustion chamber and the smoke chamber.

3. The burner of claim 1 wherein a second combustion chamber is provided above the first end upper opening, a second grate is provided below the second combustion chamber, the second grate is located at the first end upper opening, a baffle plate adapted to the first end lower opening is provided in the squib, and a baffle plate pull rod extending out of the burner body is fixedly provided in the baffle plate.

4. A furnace as claimed in claim 2 or claim 3 in which said second combustion chamber is defined by a vertical cylinder, said second grate being secured to the lower end of said vertical cylinder.

5. The burner of claim 4, wherein a hopper is disposed above the second combustion chamber, a discharge pipe is fixedly disposed at a discharge port of the hopper, the discharge pipe extends into the vertical cylinder, and a support plate is fixedly disposed in the vertical cylinder and supported by the first boiler frame.

6. The combustion furnace as claimed in claim 5, wherein an intake passage communicating with said second combustion chamber is provided between said vertical cylinder and said discharge pipe, and a first intake valve for controlling an intake amount of said second combustion chamber is provided at an upper end of said vertical cylinder.

7. Combustion furnace as claimed in claim 5 wherein the discharge opening of the hopper is provided with a discharge valve.

8. The burner of claim 1 wherein the flue gas chamber is provided with a toaster, the toaster having a drawer slidably attached thereto.

9. The burner of claim 1, wherein the flue gas chamber has a smoke outlet, the furnace body is fixedly provided with a flue tube coupling box, the flue tube coupling box is in communication with the smoke outlet and a smoke exhaust tube, and the smoke exhaust tube is fixed to the flue tube coupling box.

10. The combustion furnace as claimed in claim 1, wherein said furnace body is provided with a furnace door, said furnace door being provided with a second intake valve for controlling an intake amount of said first combustion chamber.

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