Firewood, coal and electricity multifunctional energy-saving and environment-friendly cooking bench furnace

Abstract

The utility model discloses a firewood-coal-electricity multifunctional energy-saving environment-friendly cooking bench furnace which comprises a water jacket furnace body composed of an inner container and a shell, and a first combustion chamber, a second combustion chamber, a third combustion chamber, a fourth combustion chamber and a chimney are arranged in the water jacket furnace body. The first combustion chamber is provided with a first fire grate and a first stove fire door, and a front fire passing opening and a rear fire passing opening are formed between the first combustion chamber and the second combustion chamber. The second combustion chamber is provided with a first smoke and fire opening, a smoke outlet, a large pot sitting opening, a fire damper and a smoke and fire baffle. The third combustion chamber is provided with a second fire grate, a second stove fire door, a second smoke and fire opening and a small pot sitting opening. And an electric heating rod extending into the water jacket is arranged on the left side of the water jacket furnace body. The device is reasonable in structure, sufficient in oxygen supply, high in heat efficiency, energy-saving and environment-friendly, can realize mutual use and interchange of various energy sources of firewood, coal and electricity, and is suitable for being popularized and used in rural pasturing areas.

Description

Technical Field

[0001] The utility model belongs to the technical field of civil boilers, in particular to a multifunctional energy-saving and environment-friendly cooking stove using firewood, coal and electricity. Background Art

[0002] At present, in the vast rural areas of our country, especially in the rural areas of the northern regions, the traditional cooking stoves used for cooking are made of red bricks or adobe, with a furnace chamber in the middle and a large iron pot on top. Firewood is added to the furnace chamber to cook. There are many disadvantages and deficiencies in the use of traditional cooking stoves, specifically manifested as follows: (1) The traditional cooking stove is made of red bricks or adobe, which occupies a large area, is heavy and not beautiful; (2) The traditional cooking stove mainly burns firewood, although it can also burn coal, but the thermal efficiency of burning coal is low and full aerobic combustion cannot be achieved; (3) Most of the heat of the traditional cooking stove is absorbed by the stove, resulting in a large amount of heat loss and waste of energy; (4) The function of the traditional cooking stove is mainly for cooking and heating the kang, and it does not have a heating function. Therefore, it is necessary to install an additional heating boiler in the kitchen, and the waste heat of the traditional cooking stove cannot be used for heating. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the defects existing in the prior art and provide a multifunctional energy-saving and environment-friendly cooking stove using firewood, coal and electricity, which has a reasonable structure, sufficient oxygen supply, high thermal efficiency, energy saving and environmental protection, can realize the mutual use and interchange of multiple energy sources such as firewood, coal and electricity, and is suitable for popularization and use in rural and pastoral areas.

[0004] The technical solution adopted by the utility model is: a multifunctional energy-saving and environment-friendly cooking stove using firewood, coal and electricity, which includes a water jacket furnace body composed of an inner liner and an outer shell. A first combustion chamber is arranged at the lower left side inside the water jacket furnace body, a second combustion chamber is arranged at the upper left side inside the water jacket furnace body, a third combustion chamber is arranged at the front right side inside the water jacket furnace body, a fourth combustion chamber is arranged at the rear right side inside the water jacket furnace body, and a chimney is arranged above the fourth combustion chamber inside the water jacket furnace body; a first grate is arranged at the lower part of the first combustion chamber, a first ash box is arranged below the first grate, a first stove fire door is arranged at the front side of the first combustion chamber, and a front fire port and a rear fire port are arranged between the first combustion chamber and the second combustion chamber; a push-pull type fire baffle is arranged on the bottom surface of the second combustion chamber, the fire baffle is connected to a fire baffle pull rod extending to the front of the water jacket furnace body, a first smoke and fire port is arranged between the right side of the second combustion chamber and the fourth combustion chamber, a push-pull type smoke and fire baffle is arranged on the right side of the second combustion chamber, the smoke and fire baffle is connected to a smoke and fire baffle pull rod extending to the front of the water jacket furnace body, a smoke outlet communicating with the kang is arranged at the rear side of the second combustion chamber, and a large pot sitting port centered on the front fire port is arranged above the second combustion chamber; a second grate is arranged at the lower part of the third combustion chamber, a second ash box is arranged below the second grate, a second stove fire door is arranged at the front side of the third combustion chamber, a second smoke and fire port is arranged between the rear side of the third combustion chamber and the fourth combustion chamber, and a small pot sitting port is arranged above the third combustion chamber; an electric heating rod extending into the water jacket is arranged on the left side of the water jacket furnace body.

[0005] Preferably, a plurality of air supply pipes connected to the outer side of the bottom of the water jacket furnace body are provided at the lower side of the second pyrotechnic port. The beneficial effect of this preferred technical solution is that the air supply pipes can supply oxygen to the fireworks passing through the second pyrotechnic port, which is conducive to the fireworks entering the fourth combustion chamber for full oxygen combustion and improving thermal efficiency.

[0006] Preferably, a plurality of hot water absorbing pipes with both ends connected to the water jacket are arranged in the chimney. The beneficial effect of this preferred technical solution is: increasing the flue gas waste heat recovery area and improving the thermal efficiency.

[0007] Preferably, a fan chamber extending into the water jacket is arranged on the left side of the water jacket furnace body, a blower is arranged in the fan chamber, an air outlet of the blower is connected to the blast pipe in the first ash box, and a plurality of air outlet holes are arranged on the upper side of the blast pipe in the first ash box. The beneficial effect of this preferred technical solution is that the air supply volume of the first combustion chamber can be increased, which is beneficial to the aerobic combustion of the first combustion chamber and the second combustion chamber and improves the thermal efficiency.

[0008] Preferably, a fire baffle for heating a kang is provided on the smoke outlet. The beneficial effect of this preferred technical solution is that opening the fire baffle for heating a kang allows the fire to go through the kang flue to heat the kang, and closing the fire baffle for heating a kang allows the fire to enter the fourth combustion chamber through the side fire port and then be discharged from the chimney, and the remaining heat can further heat the water jacket.

[0009] Preferably, the fire-burning damper is connected to a fire-burning damper pull rod extending to the front of the water jacket furnace body for operating the fire-burning damper to open and close. The beneficial effect of this preferred technical solution is that it is more convenient to open and close the fire-burning damper.

[0010] Preferably, the second grate is a water tube grate composed of a plurality of water tubes connected to the water jacket at both ends. The beneficial effect of this preferred technical solution is: increasing the heating area of ​​the water jacket and improving the heat absorption efficiency of the water jacket.

[0011] Preferably, a heightened fuel cylinder is provided on the small pot mouth, and a cylinder cover is provided on the heightened fuel cylinder. The beneficial effect of this preferred technical solution is that when the third combustion chamber is used for heating and burning, more fuel can be added at one time, reducing the number of times of adding fuel, which is more suitable for heating and burning at night in winter.

[0012] Preferably, a combustion chamber fire-viewing port connected to the second combustion chamber is provided at the front side of the second combustion chamber, and a chimney fire-viewing port connected to the chimney is provided at the front side of the chimney. The beneficial effect of this preferred technical solution is that it is convenient to observe the combustion situation.

[0013] Preferably, a water return pipe opening connected to the water jacket is provided at the lower part of the water jacket furnace body, and a water outlet pipe opening connected to the water jacket is provided at the upper part of the chimney.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1) The utility model is provided with a first combustion chamber and a second combustion chamber. There is a large cooking pot opening at the upper part of the second combustion chamber. The first combustion chamber and the second combustion chamber are used for cooking. There is a smoke outlet communicating with the kang (a traditional heatable brick bed) at the rear side of the second combustion chamber, and the waste heat of the flue gas can be used to heat the kang.

[0016] 2) The utility model is provided with a fire baffle, a smoke baffle and a kang - heating smoke baffle, which can adjust and change the direction of the smoke channel, and thus realize function adjustment, making it very convenient to use.

[0017] 3) The utility model is provided with a third combustion chamber and a fourth combustion chamber. Adding fuel in the third combustion chamber can realize independent heating for heating, which is used to supply heat to the radiator installed indoors. An air supply pipe is arranged at the second smoke outlet. When the smoke passes through the second smoke outlet, the air supply pipe provides secondary oxygen supply, and the smoke further undergoes aerobic combustion in the fourth combustion chamber and the chimney, with high thermal efficiency.

[0018] 4) The utility model is provided with an electric heating rod, which can be used for electric heating, and can realize the mutual use and interchange of multiple energy sources such as firewood, coal and electricity, and is suitable for popularization and use in rural and pastoral areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is the perspective three - dimensional structure schematic diagram of the upper left - front side of the utility model;

[0020] Figure 2 is the perspective three - dimensional structure schematic diagram of the upper right - rear side of the utility model;

[0021] Figure 3 is the perspective three - dimensional structure schematic diagram of the upper left - front side of the inner container of the utility model;

[0022] Figure 4 is the perspective three - dimensional structure schematic diagram of the upper right - rear side of the inner container of the utility model;

[0023] Figure 5 is the perspective three - dimensional structure schematic diagram of the upper left - front side after the upper part of the inner container of the utility model is sectioned;

[0024] Figure 6 is the perspective three - dimensional structure schematic diagram of the fire baffle, the fire baffle pull rod, the smoke baffle, the smoke baffle pull rod, the kang - heating smoke baffle and the kang - heating smoke baffle pull rod of the upper left - front side of the utility model;

[0025] Figure 7 is the perspective three - dimensional structure schematic diagram of the blower and the air supply pipe of the utility model;

[0026] Figure 8 is the perspective three - dimensional structure schematic diagram of the electric heating rod of the utility model.

[0027] In the figure: 1 First combustion chamber, 2 Second combustion chamber, 3 Third combustion chamber, 4 Fourth combustion chamber, 5 Chimney, 6 Hot water suction pipe, 7 First grate, 8 First ash box, 9 First stove fire door, 10 Front overfire opening, 11 Rear overfire opening, 12 Fire baffle, 13 Fire baffle pull rod, 14 First flue gas opening, 15 Flue gas baffle, 16 Flue gas baffle pull rod, 17 Smoke outlet, 18 Large wok opening, 19 Water pipe, 20 Second ash box, 21 Second stove fire door, 22 Second flue gas opening, 23 Small wok opening, 24 Electric heating rod, 25 Air supply pipe, 26 Blower room, 27 Blower, 28 Blower air pipe, 29 Air outlet hole, 30 Kang-burning flue gas baffle, 31 Kang-burning flue gas baffle pull rod, 32 Heightened fuel cylinder, 33 Cylinder cover, 34 Combustion chamber viewing port, 35 Chimney viewing port, 36 Return water pipe opening, 37 Outlet water pipe opening. Detailed implementation mode

[0028] The embodiments of the technical solution of the present invention will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, so they are only examples and cannot be used to limit the protection scope of the present invention.

[0029] It should be noted that unless otherwise specified, the technical terms or scientific terms used in this application should have the ordinary meanings understood by those skilled in the art to which the present invention belongs. In the description of this application, it should be understood that the orientation or positional relationships indicated by the terms "middle", "upper", "lower", "front", "rear", "left", "right", etc. are based on the orientation or positional relationships 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 to the present invention.

[0030] Embodiment: As Figures 1 to 8As shown in the figure, a multi-functional energy-saving and environmental protection cooking stove powered by firewood, coal and electricity comprises a water jacket furnace body composed of an inner liner and an outer shell. A first combustion chamber 1 is arranged at the lower left side inside the water jacket furnace body, a second combustion chamber 2 is arranged at the upper left side inside the water jacket furnace body, a third combustion chamber 3 is arranged at the right front side inside the water jacket furnace body, and a fourth combustion chamber 4 is arranged at the right rear side inside the water jacket furnace body. A chimney 5 is arranged above the fourth combustion chamber 4 inside the water jacket furnace body, and five heat absorption water pipes 6 communicating with the water jacket at both ends are arranged inside the chimney 5. A first grate 7 is arranged at the lower part of the first combustion chamber 1, a first ash box 8 is arranged below the first grate 7, a first stove fire door 9 is arranged at the front side of the first combustion chamber 1, and a front fire port 10 and a rear fire port 11 are arranged between the first combustion chamber 1 and the second combustion chamber 2. A push-pull type fire baffle 12 is arranged on the bottom surface of the second combustion chamber 2, the fire baffle 12 is connected to a fire baffle pull rod 13 extending to the front of the water jacket furnace body. A first smoke and fire port 14 is arranged between the right side of the second combustion chamber 2 and the fourth combustion chamber 4, a push-pull type smoke and fire baffle 15 is arranged on the right side of the second combustion chamber 2, the smoke and fire baffle 15 is connected to a smoke and fire baffle pull rod 16 extending to the front of the water jacket furnace body. A smoke outlet 17 communicating with a kang (a traditional Chinese heated brick bed) is arranged at the rear side of the second combustion chamber 2, a burning-kang smoke and fire baffle 30 is arranged on the smoke outlet 17, and the burning-kang smoke and fire baffle 30 is connected to a burning-kang smoke and fire baffle pull rod 31 extending to the front of the water jacket furnace body for operating to open and close the burning-kang smoke and fire baffle 30. A large wok mouth 18 with the center aligned with the front fire port 10 is arranged above the second combustion chamber 2. A water pipe grate composed of seven water pipes 19 communicating with the water jacket at both ends is arranged at the lower part of the third combustion chamber 3, a second ash box 20 is arranged below the water pipe grate, a second stove fire door 21 is arranged at the front side of the third combustion chamber 3, a second smoke and fire port 22 is arranged between the rear side of the third combustion chamber 3 and the fourth combustion chamber 4, and two air supply pipes 25 communicating with the outside of the bottom of the water jacket furnace body are arranged below the second smoke and fire port 22. A small wok mouth 23 is arranged above the third combustion chamber 3. An electric heating rod 24 extending into the water jacket is arranged on the left side of the water jacket furnace body. A blower chamber 26 extending into the water jacket is arranged on the left side of the water jacket furnace body, a blower 27 is arranged inside the blower chamber 26, the air outlet of the blower 27 communicates with an air supply pipe 28 inside the first ash box 8, and a plurality of air outlet holes 29 are arranged on the upper side of the air supply pipe 28 inside the first ash box 8. A heightening fuel cylinder 32 is arranged on the small wok mouth 23, and a cylinder cover 33 is arranged on the heightening fuel cylinder 32. A combustion chamber viewing port 34 communicating with the second combustion chamber 2 is arranged at the front side of the second combustion chamber 2, and a chimney viewing port 35 communicating with the chimney 5 is arranged at the front side of the chimney 5. A return water pipe orifice communicating with the water jacket is arranged at the lower part of the water jacket furnace body, and a water outlet pipe orifice communicating with the water jacket is arranged above the chimney 5.

[0031] The using method of the utility model is as follows:

[0032] (1)Cooking: Add coal or biomass fuel into the first combustion chamber 1. After the fire baffle 12 blocks the afterburning port 11, and the coal or biomass fuel burns preliminarily in the first combustion chamber 1, the flame directly burns the bottom of the cooking pot through the front afterburning port 10. If it is necessary to increase the firepower, the blower 27 can be started to increase the oxygen supply to the first combustion chamber 1. If it is necessary to keep warm or cook with low fire, the blower 27 can be turned off, and the fire baffle 12 can also be pushed and pulled to block the front afterburning port 10 and open the afterburning port 11. If it is necessary to heat the kang, the smoke baffle 15 can block the first smoke port 14 and open the smoke baffle 30 for heating the kang. The smoke in the second combustion chamber 2 passes through the smoke outlet 17 and goes through the flue of the kang. If it is not necessary to heat the kang, the smoke baffle 30 for heating the kang can be closed, and the smoke baffle 15 blocking the first smoke port 14 can be opened. The smoke in the second combustion chamber 2 enters the fourth combustion chamber 4 through the first smoke port 14 and is discharged through the chimney 5.

[0033] (2)Winter heating: Close the smoke baffle 15 blocking the first smoke port 14. Add coal or biomass fuel into the third combustion chamber 3. After the coal or biomass fuel burns preliminarily in the third combustion chamber 3, the smoke enters the fourth combustion chamber 4 through the second smoke port 22. When the smoke passes through the second smoke port 22, the air supply pipe 25 provides secondary oxygen supply. The smoke burns further with oxygen in the fourth combustion chamber 4 and the chimney 5. The water tube grate, the third combustion chamber 3, the fourth combustion chamber 4 and the chimney 5 all heat the water jacket for winter heating. If a taller fuel cylinder 32 is added to the small cooking pot opening 23, more fuel can be added at one time without getting up at night to add fuel.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features. And these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered by the scope of the claims and the description of the present invention.

Claims

1. A multifunctional energy-saving and environmental protection cooking stove using firewood, coal and electricity, which comprises a water jacket furnace body composed of an inner liner and an outer shell, and is characterized in that: A first combustion chamber is arranged at the lower left inside the water jacket furnace body, a second combustion chamber is arranged at the upper left inside the water jacket furnace body, a third combustion chamber is arranged at the front right inside the water jacket furnace body, a fourth combustion chamber is arranged at the rear right inside the water jacket furnace body, and a chimney is arranged above the fourth combustion chamber inside the water jacket furnace body; a first grate is provided at the lower part of the first combustion chamber, a first ash box is provided below the first grate, a first stove fire door is provided at the front side of the first combustion chamber, and a front fire opening and a rear fire opening are provided between the first combustion chamber and the second combustion chamber; a push-pull type fire baffle is provided on the bottom surface of the second combustion chamber, the fire baffle is connected to a fire baffle pull rod extending to the front of the water jacket furnace body, a first flue and fire opening is provided between the right side of the second combustion chamber and the fourth combustion chamber, a push-pull type flue and fire baffle is provided on the right side of the second combustion chamber, the flue and fire baffle is connected to a flue and fire baffle pull rod extending to the front of the water jacket furnace body, a smoke outlet communicating with the kang is provided at the rear side of the second combustion chamber, and a large wok mouth with the center aligned with the front fire opening is provided above the second combustion chamber; a second grate is provided at the lower part of the third combustion chamber, a second ash box is provided below the second grate, a second stove fire door is provided at the front side of the third combustion chamber, a second flue and fire opening is provided between the rear side of the third combustion chamber and the fourth combustion chamber, and a small wok mouth is provided above the third combustion chamber; an electric heating rod extending into the water jacket is provided on the left side of the water jacket furnace body.

2. The multifunctional energy-saving and environmental protection cooking stove powered by firewood, coal and electricity according to claim 1, wherein: A plurality of air supply pipes communicating with the outside of the bottom of the water jacket furnace body are provided below the second flue and fire opening.

3. The multifunctional energy-saving and environmental protection cooking stove using firewood, coal and electricity according to claim 2, wherein: A number of heat absorption water pipes with both ends communicating with the water jacket are arranged inside the chimney.

4. The multi-functional firewood, coal and electricity energy-saving and environmental protection cooking stove according to claim 3, characterized in that: A blower chamber extending into the water jacket is provided on the left side of the water jacket furnace body, a blower is provided inside the blower chamber, the air outlet of the blower communicates with an air supply pipe inside the first ash box, and a number of air outlet holes are provided on the upper side of the air supply pipe inside the first ash box.

5. The multi-functional energy-saving and environment-friendly firewood, coal and electricity cooking stove according to claim 4, characterized in that: A kang burning smoke baffle is provided on the smoke outlet.

6. The multi-functional energy-saving and environmental protection cooking stove using firewood, coal and electricity according to claim 5, characterized in that: The kang burning smoke baffle is connected to a kang burning smoke baffle pull rod extending to the front of the water jacket furnace body for operating the opening and closing of the kang burning smoke baffle.

7. The multi-functional energy-saving and environmental protection firewood, coal and electricity cooking stove according to claim 6, characterized in that: The second grate is a water pipe grate composed of a plurality of water pipes with both ends communicating with the water jacket.

8. The multi-functional energy-saving and environmental protection cooking stove using firewood, coal and electricity according to claim 7, characterized in that: A heightening fuel cylinder is provided on the small wok mouth, and a cylinder cover is provided on the heightening fuel cylinder.

9. The multi-functional energy-saving and environmental protection cooking stove using firewood, coal and electricity according to claim 8, wherein: A combustion chamber viewing fire opening communicating with the second combustion chamber is provided at the front side of the second combustion chamber, and a chimney viewing fire opening communicating with the chimney is provided at the front side of the chimney.

10. The multi-functional energy-saving and environmental protection firewood, coal and electricity cooking stove according to claim 9, wherein: A return water pipe opening communicating with the water jacket is provided at the lower part of the water jacket furnace body, and a water outlet pipe opening communicating with the water jacket is provided at the upper part of the chimney.

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