CN111023162A - Efficient energy-saving environment-friendly return air heating furnace - Google Patents
Efficient energy-saving environment-friendly return air heating furnace Download PDFInfo
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- CN111023162A CN111023162A CN201911402678.1A CN201911402678A CN111023162A CN 111023162 A CN111023162 A CN 111023162A CN 201911402678 A CN201911402678 A CN 201911402678A CN 111023162 A CN111023162 A CN 111023162A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B1/00—Stoves or ranges
- F24B1/28—Combined installations of stoves or ranges, e.g. back-to-back stoves with a common fire-box
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/10—Tops, e.g. hot plates; Rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/10—Arrangement or mounting of ignition devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
Abstract
The invention discloses a high-efficiency energy-saving environment-friendly air-return heating furnace, which comprises a furnace base, a furnace body, a furnace core, a furnace panel and a smoke exhaust chamber, wherein the furnace core is arranged in the furnace body and is coaxially arranged on the furnace base with the furnace body; the furnace body consists of an inner furnace wall, an intermediate furnace wall, an outer furnace wall and a sealing plate, wherein two cavities are formed between the inner furnace wall and the outer furnace wall; the furnace core consists of a fire-resistant layer, a shell and a fire-gathering cover, and a second ventilation channel is formed between the fire-resistant layer and the shell; a first heat recovery channel is formed between the outer wall of the shell and the inner wall of the inner furnace wall. The return air heating furnace of the invention utilizes different channels to divide the flue gas and the air into different channels for operation, fully utilizes the heat in the flue gas to heat the input cold air, and ensures that the fuel can be fully combusted through the heated air, thereby improving the combustion efficiency and being widely popularized and used in rural areas or towns.
Description
Technical Field
The invention relates to the technical field of combustion stoves, in particular to a high-efficiency energy-saving environment-friendly return air heating stove.
Background
The air return furnace is a device for heating or cooking by burning coal or other biomass fuels, and mainly comprises a furnace body barrel for heat insulation, a combustion chamber is arranged in the furnace body, and the coal or the biomass fuels are put into the combustion chamber to generate heat after being combusted. At present, the low-carbon environment is actively advocated in China, energy conservation and consumption reduction become the theme of the world, if a traditional furnace is still adopted, resources are wasted, fuel waste is large, combustion firepower is not vigorous, firepower cannot be adjusted, the problem of difficult fire banking exists, and the combustion efficiency is low. The method is mainly characterized in that: firstly, when the fire is fired, the furnace body is heated slowly and cannot be heated in time; secondly, the temperature of the upper half part of the furnace body is high, and the temperature of the lower half part of the furnace body is low; thirdly, the air return process is only carried out on the upper half part of the furnace body, hot air is quickly discharged outdoors, and heat energy is not fully utilized; fourthly, the furnace body close to one side of the smoke exhaust pipe is warm, but the furnace body far away from one side of the smoke exhaust pipe cannot feel warm, and fifthly, the problem that incomplete fuel combustion is easily caused by primary air inlet at the bottom is solved.
In the middle and small cities and rural areas in the southwest region, the return air furnace is used not only for heating, but also for cooking. The fuel that the return air furnace that uses at present generally is more single, and in the use, need use biomass fuel sometimes, adopts the firewood as fuel, makes the firewood overstock jam the grate in the bottom of wick like this easily, causes furnace because of the oxygen suppliment is not enough, the insufficient problem of burning appears, causes flue gas pollution big, and the thermal efficiency is low, can not effectively utilize the heat in the flue gas.
Disclosure of Invention
The invention aims to solve the technical problems in the background art, and provides a return air heating furnace which is simple in structure, more sufficient in combustion, high in fuel utilization rate and higher in combustion efficiency, can realize double functions of heating and cooking, has good fire gathering and heat preserving effects, and achieves the purposes of energy conservation and emission reduction, in particular to a high-efficiency energy-saving environment-friendly return air heating furnace.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an efficient energy-saving environment-friendly air-return heating furnace comprises a furnace base, a furnace body, a furnace core, a furnace panel and a smoke exhaust chamber, wherein the furnace base, the furnace body and the furnace panel can be freely detached and form an integrated sealing structure when being connected with each other; the furnace body consists of an inner furnace wall, an intermediate furnace wall, an outer furnace wall and a sealing plate, the inner furnace wall and the outer furnace wall are coaxially arranged on the furnace base at intervals from inside to outside along the furnace core, the sealing plate is fixed at the tops of the inner furnace wall and the outer furnace wall, two cavities are formed between the inner furnace wall and the outer furnace wall through the intermediate furnace wall, and the two cavities are respectively a second heat return channel and a first ventilation channel from outside to inside; the furnace core is of a cylindrical structure with an inner cavity and composed of a fire-resistant layer, a shell and a fire-gathering cover, the fire-resistant layer is positioned in the shell, a second ventilation channel is formed between the fire-resistant layer and the shell, and the fire-gathering cover is arranged at the tops of the fire-resistant layer and the shell; a first heat recovery channel is formed between the outer wall of the shell and the inner wall of the inner furnace wall; a heat recovery mechanism communicated with each other is arranged between the first heat recovery channel and the second heat recovery channel; a ventilation mechanism which is communicated with each other is arranged between the first ventilation channel and the second ventilation channel; a connecting pipeline communicated with the ventilation mechanism is arranged below the furnace bridge; a smoke exhaust hole communicated with the second regenerative channel is formed in the side face of the outer furnace wall, a smoke exhaust chamber communicated with the smoke exhaust hole is formed in the outer side of the furnace body, and a smoke exhaust pipe is arranged at the top of the smoke exhaust chamber; an ash box which can be pulled outwards or contracted inwards is arranged in the furnace base, and the ash box is positioned right below the furnace bridge; the furnace panel is provided with a furnace ring and a furnace cover matched with the furnace ring, and the furnace cover is positioned right above the fire gathering cover.
Further, the high-efficiency energy-saving environment-friendly return air heating furnace provided by the invention is characterized in that the heat regeneration mechanism comprises a through hole No. 1 and a through hole No. 4 which are arranged in the base, and a first connecting bent pipe connected with the through hole No. 1 and the through hole No. 4, wherein the through hole No. 1 is communicated with the second heat regeneration channel, the through hole No. 4 is communicated with the first heat regeneration channel, and under the action of the first connecting bent pipe, smoke in the first heat regeneration channel enters the second heat regeneration channel through the first connecting bent pipe, then enters the smoke exhaust chamber through the smoke exhaust hole, and finally is discharged outside through the outer smoke pipe.
Furthermore, the efficient energy-saving environment-friendly return air heating furnace is characterized in that a return partition plate is arranged in the second return channel, the No. 1 through hole is formed in the other side of the return partition plate communicated with the smoke exhaust hole, and smoke entering from the first return channel enters the smoke exhaust chamber from the smoke exhaust hole after running for one circle around the second return channel through the return partition plate.
Furthermore, the efficient energy-saving environment-friendly return air heating furnace also comprises an oxygen increasing device, wherein the oxygen increasing device comprises a blower and an air pipe, a partition plate is arranged in the furnace seat, the inner cavity of the furnace seat is divided into two cavities, namely a main cavity and an auxiliary cavity, through the partition plate, the ash box is positioned in the main cavity, and the blower is arranged in the auxiliary cavity; the ventilation mechanism comprises a No. 2 through hole, a No. 3 through hole, a No. 5 through hole and a second connecting bent pipe, wherein the No. 2 through hole, the No. 3 through hole and the No. 5 through hole are arranged in the base, the second connecting bent pipe is connected with the No. 3 through hole and the No. 5 through hole, the No. 2 through hole and the No. 3 through hole are both communicated with the first ventilation channel, and the No. 5 through hole is communicated with the second; the connecting pipeline arranged below the furnace bridge is communicated with the second connecting bent pipe; a ventilation partition plate is arranged in the first ventilation channel, wherein the No. 2 through hole and the No. 3 through hole are respectively positioned at two sides of the ventilation partition plate; the No. 2 through hole is communicated with the blower through an air pipe, and an air volume adjusting valve is also arranged on the air pipe; through the arranged ventilation partition plate, gas generated by the blower enters from the No. 2 through hole, firstly runs for a circle around the first ventilation channel and then enters the second ventilation channel and the furnace core.
Furthermore, the high-efficiency energy-saving environment-friendly return air heating furnace is characterized in that a plurality of oxygen inlet holes communicated with the first return air channel are formed in the fire-resistant layer, the oxygen inlet holes are uniformly distributed in the fire-resistant layer close to one side of the fire gathering cover in an annular shape, and the gas entering the second ventilation channel enters the inner cavity of the furnace core from the oxygen inlet holes through the arranged oxygen inlet holes.
Further, the high-efficiency energy-saving environment-friendly return air heating furnace is characterized in that an anti-scalding net is further arranged on the outer side of the furnace body, the anti-scalding net is arranged on the furnace base and located on the periphery of the outer furnace wall, and an empty cavity is formed between the anti-scalding net and the outer furnace wall.
Further, the efficient energy-saving environment-friendly return air heating furnace further comprises a feeding hopper, wherein the feeding hopper is arranged in the ash box, under the action of external force, the feeding hopper can be inwards contracted in the furnace base along with the ash box and is positioned right below the furnace bridge, a fire gathering ring is further arranged in the base, and the fire gathering ring is annularly arranged on the bottom surface of the furnace bridge and is positioned right above the feeding hopper.
Furthermore, the efficient energy-saving environment-friendly return air heating furnace also comprises a dust collecting box, the top surface of the base is provided with an ash removing hole communicated with the inner cavity of the smoke exhaust chamber, the dust collecting box is arranged in the base and is positioned right below the ash removing hole, the side surface of the base is provided with an ash removing opening, and under the action of external force, the dust collecting box can be pulled outwards or contracted inwards through the ash removing opening.
Further, the efficient energy-saving environment-friendly return air heating furnace provided by the invention is characterized in that a gas stove with an igniter is arranged at the top of the stove core, the furnace also comprises a gas supply pipeline connected with the gas stove and an ignition switch for controlling the gas stove, the gas supply pipeline passes through the stove core and the stove bridge in sequence and is connected with an external gas supply device through the side surface of the base, the igniter in the gas stove is electrically connected with the ignition switch arranged outside the stove body, and the working state of the gas stove is controlled through the ignition switch.
Further, the efficient energy-saving environment-friendly return air heating furnace also comprises a furnace bridge rocking handle, one end of the furnace bridge rocking handle is positioned outside the base, the other end of the furnace bridge rocking handle penetrates through the side wall of the base to be connected with a furnace bridge positioned at the bottom of the furnace core, and the furnace bridge can rock through the furnace bridge rocking handle under the action of external force; the furnace seat and the furnace panel are both square or round in structure, a furnace ring arranged on the furnace panel is composed of two furnace rings which can be freely disassembled, the two furnace rings are an outer furnace ring and an inner furnace ring respectively, the outer furnace ring and the inner furnace ring are arranged into round structures which are matched with each other, and the furnace cover is matched with the inner furnace ring in structure; the fire gathering cover is made of heat-resistant metal materials and is of a horn-shaped structure, the direction of a large opening of the fire gathering cover is positioned right below the furnace cover, the direction of a small opening of the fire gathering cover is positioned at the top of the furnace core, and a heat return gap communicated with the first heat return channel is formed between the fire gathering cover and the furnace panel; gather the top of fire cover and still be equipped with the fire banking ring of dismantling the connection, fire banking ring is located the bell under, fire banking ring is the open-ended tubular structure in both ends.
The furnace body consists of an inner furnace wall, an intermediate furnace wall, an outer furnace wall and a sealing plate, wherein two cavities are formed between the inner furnace wall and the outer furnace wall through the intermediate furnace wall, and a second heat return channel and a first ventilation channel are respectively arranged in the two cavities from outside to inside; the furnace core is of a cylindrical structure with an inner cavity and formed by a fire-resistant layer, a shell and a fire-gathering cover, a second ventilation channel is formed between the fire-resistant layer and the shell, and a first heat recovery channel is formed between the outer wall of the shell and the inner wall of the inner furnace wall; a heat recovery mechanism communicated with each other is arranged between the first heat recovery channel and the second heat recovery channel; a ventilation mechanism which is communicated with each other is arranged between the first ventilation channel and the second ventilation channel; a connecting pipeline communicated with the ventilation mechanism is arranged below the furnace bridge; and meanwhile, a plurality of oxygen inlet holes communicated with the first heat recovery channel are formed in the refractory layer, and the gas entering the second ventilation channel can enter the inner cavity of the furnace core from the oxygen inlet holes through the arranged oxygen inlet holes.
Therefore, the return air heating furnace provided by the invention has the advantages that due to the fact that different channels are arranged, flue gas with heat and blown air are divided into different channels to operate, the heat in the flue gas can be fully utilized to heat input cold air, fuel can be fully combusted through the heated air, the utilization rate of the fuel is high, and the combustion efficiency is improved. The heating and heating integrated device has the advantages of simple structure, convenience in operation and use, capability of realizing the sharing of firewood and coal, double functions of heating and cooking, good effects of gathering fire, gathering heat and preserving heat, energy conservation and emission reduction, and capability of being widely popularized and used in rural areas or towns.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 with the oven faceplate removed;
FIG. 4 is an enlarged view of a portion of the structure at I in FIG. 3;
FIG. 5 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a fourth embodiment of the present invention;
fig. 8 is a schematic structural diagram of a fifth embodiment of the present invention.
Shown in the figure: 1-furnace base, 101-first connecting bent pipe, 102-second connecting bent pipe, 103-main chamber, 104-auxiliary chamber, 2-furnace body, 201-inner furnace wall, 202-middle furnace wall, 203-outer furnace wall, 204-sealing plate, 205-anti-scald net, 206-cavity body, 3-furnace core, 301-fire-resistant layer, 302-shell, 303-fire-gathering cover, 304-oxygen inlet hole, 4-furnace panel, 401-furnace ring, 402-furnace cover, 5-smoke exhaust chamber, 6-smoke exhaust pipe, 7-fire sealing ring, 8-ash box, 9-furnace bridge, 10-regenerative partition plate, 11-partition plate, 12-blast pipe, 13-air pipe, 14-air quantity regulating valve, 15-ventilation partition plate, 16-smoke exhaust hole, 16-air blast pipe, 13-air pipe, 14-air quantity regulating valve, 15-ventilation partition plate, 16-smoke exhaust hole, 17-a loading hopper, 18-a fire gathering ring, 19-a dust collecting box, 20-an ash cleaning hole, 21-a gas stove, 22-an air supply pipeline, 23-an ignition switch and 24-a furnace bridge rocking handle, wherein A is a second heat return channel, B is a first ventilation channel, C is a second ventilation channel, D is a first heat return channel, a solid arrow represents the direction of smoke, and a dotted arrow represents the direction of air.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples.
Example one
As shown in fig. 1 to 4, the efficient energy-saving environment-friendly return air heating furnace is mainly used as a heating stove for cooking and can also be used as a heating furnace for heating.
An efficient energy-saving environment-friendly return air heating furnace comprises a furnace base 1, a furnace body 2, a furnace core 3, a furnace panel 4 and a smoke exhaust chamber 5, wherein the furnace base 1, the furnace body 2 and the furnace panel 4 can be freely detached and form an integrated sealing structure when being connected with each other, the furnace base 1 is a sealing structure with a cavity, the furnace core 3 is arranged in the furnace body 2 and is coaxially arranged on the furnace base 1 with the furnace body 2, the furnace panel 4 is arranged at the top of the furnace body 2, an opening communicated with an inner cavity of the furnace core 3 is arranged on the top surface of the furnace base 1, and a furnace bridge 9 is arranged at the opening; the furnace body 2 is composed of an inner furnace wall 201, an intermediate furnace wall 202, an outer furnace wall 203 and a sealing plate 204, the inner furnace wall 201 and the outer furnace wall 203 are coaxially arranged on the furnace base 1 from inside to outside at intervals along the furnace core 3, the sealing plate 204 is fixed at the top of the inner furnace wall 201 and the outer furnace wall 203, two cavities are formed between the inner furnace wall 201 and the outer furnace wall 203 through the intermediate furnace wall 202, and the two cavities are respectively a second heat return channel A and a first ventilation channel B from outside to inside; the furnace core 3 is a cylindrical structure with an inner cavity and composed of a refractory layer 301, a shell 302 and a fire gathering cover 303, the refractory layer 301 is positioned in the shell 302, a second ventilation channel C is formed between the refractory layer 301 and the shell 302, and the fire gathering cover 303 is arranged on the tops of the refractory layer 301 and the shell 302; a first heat recovery channel D is formed between the outer wall of the shell 302 and the inner wall of the inner furnace wall 201; a heat recovery mechanism communicated with each other is arranged between the first heat recovery channel D and the second heat recovery channel A; a ventilation mechanism which is communicated with each other is arranged between the first ventilation channel B and the second ventilation channel C; a connecting pipeline (the corresponding structure is not shown in the figure) communicated with the ventilation mechanism is arranged below the furnace bridge 9; a smoke exhaust hole 16 communicated with the second regenerative channel A is formed in the side face of the outer furnace wall 203, a smoke exhaust chamber 5 communicated with the smoke exhaust hole 16 is formed in the outer side of the furnace body 2, and a smoke exhaust pipe 6 is arranged at the top of the smoke exhaust chamber 5; an ash box 8 which can be pulled outwards or contracted inwards is arranged in the furnace base 1, and the ash box 8 is positioned right below the furnace bridge 9; the furnace panel 4 is provided with a furnace ring 401 and a furnace cover 402 matched with the furnace ring 401, and the furnace cover 402 is positioned right above the fire gathering cover 303.
Further, the high-efficiency energy-saving environment-friendly return air heating furnace provided by the invention is characterized in that the heat regeneration mechanism comprises a through hole No. 1 and a through hole No. 4 which are arranged in the base 1, and a first connecting bent pipe 101 connected with the through hole No. 1 and the through hole No. 4, wherein the through hole No. 1 is communicated with the second heat regeneration channel A, the through hole No. 4 is communicated with the first heat regeneration channel D, and under the action of the first connecting bent pipe 101, smoke in the first heat regeneration channel D enters the second heat regeneration channel A through the first connecting bent pipe 101, then enters the smoke exhaust chamber 5 through the smoke exhaust hole 16, and finally is discharged outside through the outer smoke discharge pipe 6.
Further, according to the efficient energy-saving environment-friendly return air heating furnace, the second heat return channel A is internally provided with the heat return partition plate 10, the No. 1 through hole is formed in the other side of the heat return partition plate 10 communicated with the smoke exhaust hole 16, and smoke entering from the first heat return channel D enters the smoke exhaust chamber 5 from the smoke exhaust hole 16 after running for one circle around the second heat return channel A through the heat return partition plate 10.
Further, the efficient energy-saving environment-friendly return air heating furnace further comprises an oxygen increasing device, wherein the oxygen increasing device comprises a blower 12 and an air pipe 13, a partition plate 11 is arranged in the furnace base 1, the inner cavity of the furnace base 1 is divided into two chambers through the partition plate 11, namely a main chamber 103 and an auxiliary chamber 104, the ash box 8 is positioned in the main chamber 103, and the blower 12 is arranged in the auxiliary chamber 104; the ventilation mechanism comprises a No. 2 through hole, a No. 3 through hole, a No. 5 through hole and a second connecting bent pipe 102 which is connected with the No. 3 through hole and the No. 5 through hole, wherein the No. 2 through hole and the No. 3 through hole are both communicated with a first ventilation channel B, and the No. 5 through hole is communicated with a second ventilation channel C; and the connecting pipe arranged below the furnace bridge 9 is communicated with the second connecting bent pipe 102; a ventilation partition plate 15 is arranged in the first ventilation channel B, wherein the No. 2 through hole and the No. 3 through hole are respectively positioned at two sides of the ventilation partition plate 15; the No. 2 through hole is communicated with the blower 12 through an air pipe 13, and the air pipe 13 is also provided with an air volume adjusting valve 14; through the ventilation partition plate 15, the gas generated by the blower 12 enters from the No. 2 through hole, firstly runs for a circle around the first ventilation channel B, and then enters the second ventilation channel C and the furnace core 3.
Furthermore, the high-efficiency energy-saving environment-friendly return air heating furnace provided by the invention is characterized in that a plurality of oxygen inlet holes 304 communicated with the first return air channel D are arranged in the fire-resistant layer 301, the oxygen inlet holes 304 are uniformly distributed in the fire-resistant layer 301 close to one side of the fire gathering cover 303 in an annular shape, and the gas entering the second ventilation channel C enters the inner cavity of the furnace core 3 from the oxygen inlet holes 304 through the arranged oxygen inlet holes 304.
Further, the efficient energy-saving environment-friendly return air heating furnace further comprises a dust collecting box 19, the top surface of the base 1 is provided with an ash cleaning hole 20 communicated with the inner cavity of the smoke exhaust chamber 5, the dust collecting box 19 is arranged in the base 1 and is positioned under the ash cleaning hole 20, an ash cleaning opening is formed in the side surface of the base 1, and under the action of external force, the dust collecting box 19 can be pulled outwards or contracted inwards in the base 1 through the ash cleaning opening.
Further, the efficient energy-saving environment-friendly return air heating furnace further comprises a furnace bridge rocking handle 24, one end of the furnace bridge rocking handle 24 is positioned outside the base 1, the other end of the furnace bridge rocking handle penetrates through the side wall of the base 1 to be connected with a furnace bridge 9 positioned at the bottom of the furnace core 3, and the furnace bridge 9 can rock through the furnace bridge rocking handle 24 under the action of external force; the furnace base 1 and the furnace panel 4 are both square or round in structure, a furnace ring 401 arranged on the furnace panel 4 is composed of two furnace rings which can be freely disassembled, the two furnace rings are an outer furnace ring and an inner furnace ring respectively, the outer furnace ring and the inner furnace ring are arranged into round structures which are matched with each other, and the furnace cover 402 is matched with the inner furnace ring in structure; the fire gathering cover 303 is made of a heat-resistant metal material and is of a horn-shaped structure, the direction of a large opening of the fire gathering cover is positioned right below the furnace cover 402, the direction of a small opening of the fire gathering cover is positioned at the top of the furnace core 3, and a heat return gap communicated with the first heat return channel D is formed between the fire gathering cover 303 and the furnace panel 4; gather the top of fire cover 303 and still be equipped with the fire banking ring 7 of dismantling the connection, fire banking ring 7 is located the bell 402 under, fire banking ring 7 is the open-ended tubular structure in both ends. Through the fire sealing ring 7, the contact area between the bottom of the pot placed on the furnace panel 4 and the flue gas with heat from the inside of the furnace core 3 can be increased, the heat efficiency is effectively improved, the purpose of fire gathering is achieved, the size of the pot can be conveniently adjusted, and the pot bodies of different specifications can be used.
Example two
As shown in fig. 5, the efficient energy-saving environment-friendly return air heating furnace is mainly used as a heating stove for cooking and can also be used as a stove for heating, in order to improve the safety of heating and prevent unsafe factors such as scalding caused by overhigh temperature.
The main structure of the return air heating furnace is basically the same as that of the first embodiment, and the differences are that: according to the efficient energy-saving environment-friendly return air heating furnace, the anti-scalding net 205 is further arranged on the outer side of the furnace body 2, the anti-scalding net 205 is arranged on the furnace base 1 and located on the periphery of the outer furnace wall 203, and an empty cavity 206 is formed between the anti-scalding net 205 and the outer furnace wall 203. The anti-scalding net 205 prevents the contact with the outer furnace wall 203 in the heating process, and improves the use safety.
EXAMPLE III
As shown in figure 6, the efficient energy-saving environment-friendly return air heating furnace is mainly used as a heating stove for cooking and can also be used as a stove for heating, and the purpose of the invention is to realize the sharing of firewood and coal.
The main structure of the return air heating furnace is basically the same as that of the first embodiment, and the differences are that: the invention relates to an efficient energy-saving environment-friendly return air heating furnace which comprises a feeding hopper 17, wherein the feeding hopper 17 is arranged in an ash box 8, the feeding hopper 17 can be inwards contracted in a furnace base 1 along with the ash box 8 under the action of external force and is positioned right below a furnace bridge 9, a fire gathering ring 18 is further arranged in a base 1, and the fire gathering ring 18 is annularly arranged on the bottom surface of the furnace bridge 9 and is positioned right above the feeding hopper 17.
The return air heating furnace can realize the sharing of firewood and coal, and is convenient for different users to use.
Example four
As shown in figure 7, the efficient energy-saving environment-friendly return air heating furnace is mainly used as a heating stove for cooking and can also be used as a stove for heating, and the purpose of the invention is to realize the sharing of firewood and coal. In order to improve the safety of heating and prevent unsafe factors such as scalding caused by overhigh temperature.
The main structure of the return air heating furnace is basically the same as that of the third embodiment, and the difference is only that: according to the efficient energy-saving environment-friendly return air heating furnace, the anti-scalding net 205 is further arranged on the outer side of the furnace body 2, the anti-scalding net 205 is arranged on the furnace base 1 and located on the periphery of the outer furnace wall 203, and an empty cavity 206 is formed between the anti-scalding net 205 and the outer furnace wall 203. The anti-scalding net 205 prevents the contact with the outer furnace wall 203 in the heating process, and improves the use safety.
The return air heating furnace can realize the sharing of firewood and coal, and is convenient for different users to use.
EXAMPLE five
As shown in figure 8, the efficient energy-saving environment-friendly return air heating furnace is mainly used as a gas stove for cooking and heating.
The main structure of the return air heating furnace is basically the same as that of the first embodiment, and the difference is that a gas stove 21 with an igniter is arranged at the top of the stove core 3, the return air heating furnace further comprises a gas supply pipeline 22 connected with the gas stove 21 and an ignition switch 23 for controlling the gas stove 3, the gas supply pipeline 22 sequentially passes through the stove core 3 and the stove bridge 9 and penetrates through the side surface of the base 1 to be connected with an external gas supply device, the igniter in the gas stove 21 is electrically connected with the ignition switch 23 arranged outside the stove body 2, and the working state of the gas stove 3 is controlled through the ignition switch 23.
In the practical use process, by adopting the return air heating furnace of the invention, as the furnace core 3 is a cylindrical structure with an inner cavity formed by a fire-resistant layer 301, a shell 302 and a fire-gathering cover 303, the fire-resistant layer 301 is positioned in the shell 302, a second ventilation channel C is formed between the fire-resistant layer 301 and the shell 302, the furnace body 2 is formed by an inner furnace wall 201, an intermediate furnace wall 202, an outer furnace wall 203 and a sealing plate 204, two cavities are formed between the inner furnace wall 201 and the outer furnace wall 203 through the intermediate furnace wall 202, and the two cavities are respectively a second regenerative channel A and a first ventilation channel B from outside to inside; a first heat recovery channel D is formed between the outer wall of the shell 302 and the inner wall of the inner furnace wall 201; a heat recovery mechanism communicated with each other is arranged between the first heat recovery channel D and the second heat recovery channel A; a ventilation mechanism which is communicated with each other is arranged between the first ventilation channel B and the second ventilation channel C; and a connecting pipeline communicated with the ventilation mechanism is arranged below the furnace bridge 9.
In addition, because the device is also provided with an oxygen increasing device, the oxygen increasing device comprises a blower 12 and an air pipe 13, and the air pipe 13 is also provided with an air volume adjusting valve 14; meanwhile, a regenerative partition plate 10 is arranged in the second regenerative channel A, the No. 1 through hole is arranged on the other side of the regenerative partition plate 10 communicated with the smoke exhaust hole 16, and smoke entering from the first regenerative channel D enters the smoke exhaust chamber 5 from the smoke exhaust hole 16 after running for one circle around the second regenerative channel A through the regenerative partition plate 10. And a ventilation partition plate 15 is arranged in the first ventilation channel B, the No. 2 through hole is communicated with the blower 12 through an air pipe 13, and the arranged ventilation partition plate 15 enables the gas generated by the blower 12 to enter from the No. 2 through hole, firstly move for a circle around the first ventilation channel B and then enter the second ventilation channel C and the furnace core 3. And the gas entering the second ventilation channel C can also enter the inner cavity of the furnace core 3 from the oxygen inlet holes 304 through the arranged oxygen inlet holes 304. As shown by the dotted arrows in the drawing, the oxygen content and the oxygen-containing uniformity in the furnace core 3 can be improved by using the oxygen in the air, so that the fuel can be further promoted to be burnt more thoroughly, the fuel combustion utilization rate is higher, and the combustion efficiency is higher; when the firepower needs to be increased, the air quantity is increased through the air quantity adjusting valve, the fuel is fully contacted with the air for combustion, and when the firepower needs to be reduced, the air quantity only needs to be reduced, so that the fuel cannot be completely combusted, and the energy-saving effect is achieved. In addition, as shown by solid arrows in the drawing, the flue gas entering from the first reheating channel D passes through the reheating partition plate 10 and enters the smoke discharging chamber 5 from the smoke discharging hole 16 after running for one circle around the second reheating channel a; thereby realizing the effect of heating and heat preservation, greatly improving the energy utilization rate and leading the return air furnace to be more energy-saving. Therefore, the generated smoke with heat and the blown air are divided into different channels to operate, so that the heat in the smoke can be fully utilized, the fuel can be fully combusted, and the combustion efficiency is improved.
In addition, owing to still be equipped with loading hopper 17, loading hopper 17 sets up in ash box 8, and under the exogenic action, loading hopper 17 can be along with ash box 8 inwards shrink in furnace base 1 to be located under the furnace bridge 9 still be equipped with in the base 1 and gather fiery ring 18, it is cyclic annular to gather fiery ring 18 and set up in the bottom surface of furnace bridge 9 to be located loading hopper 17 directly over. Simultaneously, according to different user's needs, can also be in the top of wick 3 is equipped with the gas-cooker 21 of taking the some firearm, still including with the gas supply line 22 and the control that gas-cooker 21 is connected the ignition switch 23 of gas-cooker 3, gas supply line 22 loops through wick 3 and furnace bridge 9 to the side that passes base 1 is connected with outside gas supply body device, some firearm in the gas-cooker 21 is connected with ignition switch 23 electricity that sets up outside furnace body 2, through ignition switch 23 control the operating condition of gas-cooker 3.
In conclusion, the return air heating furnace provided by the invention is provided with different channels, so that the flue gas with heat and the blown air are separated into different channels for operation, the heat in the flue gas can be fully utilized, the fuel can be fully combusted, the utilization rate of the fuel is high, and the combustion efficiency is high. The heating and heating integrated device has the advantages of simple structure, convenience in operation and use, capability of realizing the sharing of firewood and coal, double functions of heating and cooking, good effects of gathering fire, gathering heat and preserving heat, energy conservation and emission reduction, and capability of being widely popularized and used in rural areas or towns.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art, and any modifications, equivalents, improvements, etc. made by using the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a high-efficient energy-concerving and environment-protective return air heating stove which characterized in that: the furnace comprises a furnace base (1), a furnace body (2), a furnace core (3), a furnace panel (4) and a smoke exhaust chamber (5), wherein the furnace base (1), the furnace body (2) and the furnace panel (4) can be freely detached and form an integrated sealing structure when being connected with each other, the furnace base (1) is a sealing structure with a cavity, the furnace core (3) is arranged in the furnace body (2) and is coaxially arranged on the furnace base (1) together with the furnace body (2), the furnace panel (4) is arranged at the top of the furnace body (2), an opening communicated with an inner cavity of the furnace core (3) is arranged on the top surface of the furnace base (1), and a furnace bridge (9) is arranged at the opening; the furnace body (2) is composed of an inner furnace wall (201), an intermediate furnace wall (202), an outer furnace wall (203) and a sealing plate (204), the inner furnace wall (201) and the outer furnace wall (203) are coaxially arranged on the furnace base (1) from inside to outside at intervals along the furnace core (3), the sealing plate (204) is fixed at the tops of the inner furnace wall (201) and the outer furnace wall (203), two cavities are formed between the inner furnace wall (201) and the outer furnace wall (203) through the intermediate furnace wall (202), and the two cavities are respectively a second regenerative channel (A) and a first ventilation channel (B) from outside to inside; the furnace core (3) is of a cylindrical structure with an inner cavity and formed by a refractory layer (301), a shell (302) and a fire gathering cover (303), the refractory layer (301) is located in the shell (302), a second ventilating channel (C) is formed between the refractory layer (301) and the shell (302), and the fire gathering cover (303) is arranged at the tops of the refractory layer (301) and the shell (302); a first heat recovery channel (D) is formed between the outer wall of the shell (302) and the inner wall of the inner furnace wall (201); a heat recovery mechanism which is communicated with each other is arranged between the first heat recovery channel (D) and the second heat recovery channel (A); a ventilation mechanism which is communicated with each other is arranged between the first ventilation channel (B) and the second ventilation channel (C); a connecting pipeline communicated with the ventilation mechanism is arranged below the furnace bridge (9); a smoke exhaust hole (16) communicated with the second regenerative channel (A) is formed in the side face of the outer furnace wall (203), a smoke exhaust chamber (5) communicated with the smoke exhaust hole (16) is formed in the outer side of the furnace body (2), and a smoke exhaust pipe (6) is arranged at the top of the smoke exhaust chamber (5); an ash box (8) capable of being pulled outwards or contracted inwards is arranged in the furnace base (1), and the ash box (8) is positioned right below the furnace bridge (9); the furnace panel (4) is provided with a furnace ring (401) and a furnace cover (402) matched with the furnace ring (401), and the furnace cover (402) is positioned right above the fire gathering cover (303).
2. An efficient energy-saving environment-friendly return air heating furnace as claimed in claim 1, which is characterized in that: the heat regeneration mechanism is composed of a through hole 1 and a through hole 4 which are arranged in the base (1) and a first connecting bent pipe (101) connected with the through hole 1 and the through hole 4, wherein the through hole 1 is communicated with the second heat regeneration channel (A), the through hole 4 is communicated with the first heat regeneration channel (D), and under the action of the first connecting bent pipe (101), smoke in the first heat regeneration channel (D) enters the second heat regeneration channel (A) through the first connecting bent pipe (101) and then enters the smoke exhaust chamber (5) through the smoke exhaust hole (16) and finally is discharged outside through the outer smoke discharge pipe (6).
3. An efficient energy-saving environment-friendly return air heating furnace as claimed in claim 2, which is characterized in that: a regenerative partition plate (10) is arranged in the second regenerative channel (A), the No. 1 through hole is formed in the other side of the regenerative partition plate (10) communicated with the smoke exhaust hole (16), and smoke entering from the first regenerative channel (D) enters the smoke exhaust chamber (5) from the smoke exhaust hole (16) after running for one circle around the second regenerative channel (A) through the regenerative partition plate (10).
4. An efficient energy-saving environment-friendly return air heating furnace as claimed in claim 1, which is characterized in that: the furnace base is characterized by further comprising an oxygen increasing device, wherein the oxygen increasing device comprises a blower (12) and an air pipe (13), a partition plate (11) is arranged in the furnace base (1), an inner cavity of the furnace base (1) is divided into two chambers through the partition plate (11), namely a main chamber (103) and an auxiliary chamber (104), the ash box (8) is located in the main chamber (103), and the blower (12) is arranged in the auxiliary chamber (104); the ventilation mechanism comprises a No. 2 through hole, a No. 3 through hole, a No. 5 through hole and a second connecting bent pipe (102) which is connected with the No. 3 through hole and the No. 5 through hole, wherein the No. 2 through hole and the No. 3 through hole are communicated with a first ventilation channel (B), and the No. 5 through hole is communicated with a second ventilation channel (C); the connecting pipeline arranged below the furnace bridge (9) is communicated with the second connecting bent pipe (102); a ventilation partition plate (15) is arranged in the first ventilation channel (B), wherein the No. 2 through hole and the No. 3 through hole are respectively positioned at two sides of the ventilation partition plate (15); the No. 2 through hole is communicated with a blower (12) through an air pipe (13), and an air volume adjusting valve (14) is also arranged on the air pipe (13); through the arranged ventilation partition plate (15), gas generated by the blower (12) enters from the No. 2 through hole, firstly runs for a circle around the first ventilation channel (B), and then enters the second ventilation channel (C) and the furnace core (3).
5. An efficient energy-saving environment-friendly return air heating furnace as claimed in claim 4, which is characterized in that: a plurality of oxygen inlet holes (304) communicated with the first heat recovery channel (D) are formed in the fire-resistant layer (301), the oxygen inlet holes (304) are uniformly distributed in the fire-resistant layer (301) close to one side of the fire gathering cover (303) in an annular mode, and gas entering the second ventilation channel (C) enters an inner cavity of the furnace core (3) from the oxygen inlet holes (304) through the arranged oxygen inlet holes (304).
6. An efficient energy-saving environment-friendly return air heating furnace as claimed in claim 1, which is characterized in that: an anti-scald net (205) is further arranged on the outer side of the furnace body (2), the anti-scald net (205) is arranged on the furnace base (1) and is positioned on the periphery of the outer furnace wall (203), and an empty cavity (206) is formed between the anti-scald net (205) and the outer furnace wall (203).
7. An efficient energy-saving environment-friendly return air heating furnace as claimed in claim 1, which is characterized in that: still including loading hopper (17), loading hopper (17) set up in ash box (8), under the exogenic action, loading hopper (17) can be along with ash box (8) internal contraction in furnace base (1), and lie in under furnace bridge (9) still be equipped with in base (1) and gather fire ring (18), it is cyclic annular to set up in the bottom surface of furnace bridge (9) to gather fire ring (18) to be located loading hopper (17) directly over.
8. An efficient energy-saving environment-friendly return air heating furnace as claimed in claim 1, which is characterized in that: the smoke exhaust device is characterized by further comprising a dust collecting box (19), wherein the top surface of the base (1) is provided with a dust cleaning hole (20) communicated with the inner cavity of the smoke exhaust chamber (5), the dust collecting box (19) is arranged in the base (1) and is positioned under the dust cleaning hole (20), a dust cleaning opening is formed in the side surface of the base (1), and under the action of external force, the dust collecting box (19) can be pulled outwards or contracted inwards through the dust cleaning opening in the base (1).
9. An efficient energy-saving environment-friendly return air heating furnace as claimed in claim 1, which is characterized in that: the top of stove core (3) is equipped with gas-cooker (21) of taking some firearm, still including with gas supply line (22) and control that gas-cooker (21) are connected gas-cooker's ignition switch (23) of (3), gas supply line (22) loop through stove core (3) and grate (9) to the side that passes base (1) is connected with outside gas supply body device, some firearm in gas-cooker (21) are connected with ignition switch (23) electricity that sets up outside furnace body (2), through ignition switch (23) control the operating condition of gas-cooker (3).
10. An efficient energy-saving environment-friendly return air heating furnace as claimed in claim 1, which is characterized in that: the furnace bridge rocking device is characterized by further comprising a furnace bridge rocking handle (24), wherein one end of the furnace bridge rocking handle (24) is positioned on the outer side of the base (1), the other end of the furnace bridge rocking handle penetrates through the side wall of the base (1) to be connected with a furnace bridge (9) positioned at the bottom of the furnace core (3), and the furnace bridge (9) can rock through the furnace bridge rocking handle (24) under the action of external force; the structure of the furnace base (1) and the structure of the furnace panel (4) are both square or round, a furnace ring (401) arranged on the furnace panel (4) is composed of two furnace rings which can be freely disassembled, the two furnace rings are an outer furnace ring and an inner furnace ring respectively, the outer furnace ring and the inner furnace ring are set to be round structures which are matched with each other, and the furnace cover (402) is matched with the inner furnace ring in structure; the fire gathering cover (303) is made of heat-resistant metal materials and is of a horn-shaped structure, the direction of a large opening of the fire gathering cover is positioned right below the furnace cover (402), the direction of a small opening of the fire gathering cover is positioned at the top of the furnace core (3), and a heat return gap communicated with the first heat return channel (D) is formed between the fire gathering cover (303) and the furnace panel (4); gather the top of fire cover (303) and still be equipped with fire sealing ring (7) of dismantling the connection, fire sealing ring (7) are located bell (402) under, fire sealing ring (7) are both ends open-ended tubular structure.
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| CN201911402678.1A CN111023162A (en) | 2019-12-31 | 2019-12-31 | Efficient energy-saving environment-friendly return air heating furnace |
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| CN201911402678.1A CN111023162A (en) | 2019-12-31 | 2019-12-31 | Efficient energy-saving environment-friendly return air heating furnace |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103844A (en) * | 1987-05-21 | 1988-12-07 | 安徽省当涂县喇叭炉厂 | Coal stove |
| CN101880742A (en) * | 2010-06-22 | 2010-11-10 | 南宁市烤得快烘烤设备有限公司 | Hot blast stove |
| CN201875751U (en) * | 2010-11-22 | 2011-06-22 | 周海山 | High-efficiency return air furnace |
| CN202973232U (en) * | 2012-11-11 | 2013-06-05 | 王宏丁 | Stove wall structure capable of sufficiently utilizing smoke gas waste heat |
| CN204301125U (en) * | 2014-12-01 | 2015-04-29 | 六盘水恒森钢材有限公司 | A kind of efficient air-feeding type air return stove |
-
2019
- 2019-12-31 CN CN201911402678.1A patent/CN111023162A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103844A (en) * | 1987-05-21 | 1988-12-07 | 安徽省当涂县喇叭炉厂 | Coal stove |
| CN101880742A (en) * | 2010-06-22 | 2010-11-10 | 南宁市烤得快烘烤设备有限公司 | Hot blast stove |
| CN201875751U (en) * | 2010-11-22 | 2011-06-22 | 周海山 | High-efficiency return air furnace |
| CN202973232U (en) * | 2012-11-11 | 2013-06-05 | 王宏丁 | Stove wall structure capable of sufficiently utilizing smoke gas waste heat |
| CN204301125U (en) * | 2014-12-01 | 2015-04-29 | 六盘水恒森钢材有限公司 | A kind of efficient air-feeding type air return stove |
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Application publication date: 20200417 |