CN110425573B - Clean and safe combustion system and method - Google Patents
Clean and safe combustion system and method Download PDFInfo
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- CN110425573B CN110425573B CN201910793915.5A CN201910793915A CN110425573B CN 110425573 B CN110425573 B CN 110425573B CN 201910793915 A CN201910793915 A CN 201910793915A CN 110425573 B CN110425573 B CN 110425573B
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000000446 fuel Substances 0.000 claims abstract description 78
- 238000000197 pyrolysis Methods 0.000 claims abstract description 62
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000003546 flue gas Substances 0.000 claims abstract description 59
- 239000007789 gas Substances 0.000 claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000010411 cooking Methods 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 15
- 239000002918 waste heat Substances 0.000 claims abstract description 10
- 239000002028 Biomass Substances 0.000 claims abstract description 6
- 239000002699 waste material Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 126
- 239000000779 smoke Substances 0.000 claims description 48
- 238000003860 storage Methods 0.000 claims description 47
- 238000002309 gasification Methods 0.000 claims description 29
- 238000011084 recovery Methods 0.000 claims description 21
- 230000001502 supplementing effect Effects 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000003344 environmental pollutant Substances 0.000 claims description 6
- 231100000719 pollutant Toxicity 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000008399 tap water Substances 0.000 claims description 4
- 235000020679 tap water Nutrition 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000011874 heated mixture Substances 0.000 claims description 3
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000000567 combustion gas Substances 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 239000003039 volatile agent Substances 0.000 claims 1
- 238000003287 bathing Methods 0.000 abstract description 6
- 239000008236 heating water Substances 0.000 abstract description 5
- 239000003245 coal Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000004484 Briquette Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B90/00—Combustion methods not related to a particular type of apparatus
- F23B90/04—Combustion methods not related to a particular type of apparatus including secondary combustion
- F23B90/06—Combustion methods not related to a particular type of apparatus including secondary combustion the primary combustion being a gasification or pyrolysis in a reductive atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- 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
- F24B13/00—Details solely applicable to stoves or ranges burning solid fuels
-
- 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
- F24B9/00—Stoves, ranges or flue-gas ducts, with additional provisions for heating water
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Solid-Fuel Combustion (AREA)
- Incineration Of Waste (AREA)
Abstract
A clean and safe combustion system and method are suitable for household heating, cooking, bathing and the like. Comprises a stove, a pyrolysis gas generation and utilization device and a flue gas purification and waste heat utilization device. The low-temperature pyrolysis of the fuel before combustion is realized, the energy waste and the environmental pollution are reduced, and the waste heat is used for heating water to heat the room. The combustion system can realize the effective utilization and clean combustion of various fuels such as low-quality coal, biomass waste and the like, is suitable for various places such as rural areas, restaurants, thermal power plants and the like, and can be used for various purposes such as cooking, bathing, heating and the like. The preparation cost is low, the heat efficiency is high, the pollution emission is low, and the method has important significance for realizing clean energy utilization and urban construction in China.
Description
Technical Field
The invention relates to a combustion system and a method, in particular to a clean and safe combustion system and a method which are suitable for household heating, cooking, bathing and the like.
Background
The problem of scattered coal is the key point of government work in recent years, and at present, the problems of poor fuel quality and low furnace efficiency generally exist in different areas of China, but the removal of partial volatile matters before combustion and the utilization and purification of hot flue gas waste heat are important means for realizing energy conservation and emission reduction, and a combustion system capable of realizing the purposes is extremely important.
In the process of implementing rural clean heating in northern areas, the national direction of fuel and stove conditions is given according to the actual conditions of different areas such as economic conditions, fuel supply and the like. The mode of adapting the clean briquette to the energy-saving stove is proved to be a means which is clean, efficient, energy-saving and applicable. The energy saving and emission reduction effects of the water heating stove are higher than those of the existing many civil stoves, the stove can realize multiple purposes, and the stove with low emission, high efficiency and low cost can play an important role in realizing clean utilization of energy and pushing urban construction.
Disclosure of Invention
The invention aims to: aiming at the defects of the technology, the clean and safe combustion system and the clean and safe combustion method are provided, which have the advantages of simple structure, capability of meeting the requirements of household bathing and heating, convenient use, high heat efficiency, low cost and energy conservation, are suitable for wide family users, and can lighten the working pressure of government and the living pressure of common people.
The technical scheme is as follows: in order to achieve the above purpose, the clean and safe combustion system of the invention comprises a stove, a pyrolysis gas generating and utilizing device and a flue gas purifying and waste heat utilizing device; the stove comprises a stove main body, a combustion chamber is arranged in the middle of the stove main body, a heat insulation layer is arranged between the combustion chamber and the side wall of the stove main body, a chamfer structure is arranged at the top of the combustion chamber, an ash discharging pipe is arranged at the bottom of the combustion chamber, an ash receiving chamber is arranged at the bottom of the combustion chamber below the ash discharging pipe, an air flow regulating plate is arranged at the middle of the ash discharging pipe on the stove main body, the regulating plate can regulate the size of grid holes on a stove body through left-right movement of a pushing handle so as to realize the regulation of air inflow, a stove plate is arranged above the ash discharging pipe in the combustion chamber, a gasification plate is arranged at the top of the stove main body above the chamfer structure of the combustion chamber, the gasification plate is divided into three layers, the size of the hole diameter of the hole is increased gradually from bottom to top, the full combustion of flame and unburned combustible materials is realized by prolonging the residence time of the flame and the combustion time of volatile components step by step, the top of the gasification plate is closed for fire banking when the combustion is not performed, and a fire gathering cover for regulating the size of the opening is arranged at the top of the gasification plate through a switch for avoiding energy loss when the combustion is used for cooking;
the pyrolysis gas generating device comprises a fuel storage chamber tightly connected with the outer side of a stove main body, a charging hole is formed in the top of the fuel storage chamber, the upper part of the fuel storage chamber is of a rectangular structure, a switch I and a switch II are respectively arranged on the fuel storage chamber, the fuel storage chamber is divided into three parts by the switch I and the switch II, a funnel structure is arranged below the storage chamber, the switch II is arranged at the joint of the funnel structure and a combustion chamber, the switch I is arranged between the funnel structure and the combustion chamber, low-temperature pyrolysis before fuel combustion is realized by the temperature lower than a hearth transmitted by a heat preservation layer after the fuel is added into the storage chamber, a part of fuel moves downwards for a period of time after pyrolysis is continued through opening the switch II, the switch I is opened to form an oblique angle structure through the lower part, the side wall of the top of the fuel storage chamber is provided with a pyrolysis gas recovery channel and a switch, a furnace inlet switch is arranged between the fuel storage chamber and the combustion chamber, the pyrolysis gas enters the stove body through the pyrolysis gas inlet switch, the pyrolysis gas is fully combusted, and the pyrolysis gas can be required to be collected after being connected with the combustion chamber through the pyrolysis gas recovery channel and the switch;
the flue gas purifying and waste heat utilizing device comprises a flue gas channel arranged on one side of a stove main body, an upper connecting port and a lower connecting port are respectively arranged on the side wall of the flue gas channel and the side wall of the stove main body, one opening of the flue gas channel is arranged on the high side of a stove plate, the other opening of the flue gas channel is arranged on the high side of a gasification plate, a lower flue gas control valve is arranged at the high opening of the stove plate, an upper flue gas control valve is arranged at the high opening of the gasification plate, an ash residue cleaning port is arranged at the bottom of the flue gas channel, a flue gas purifying layer is arranged at the top of the flue gas purifying layer, a flue gas control switch is arranged at the flue gas purifying layer, a water tank wrapped on the outer side is arranged on the outer side of the flue gas channel, a hot water outlet is arranged above the water tank, the hot water outlet is connected with a water heating inlet pipeline of a radiator through a booster pump, and hot water control valves and a shower device are respectively arranged on pipelines of the booster pump and the radiator; the lower part of the water tank is connected with a spiral pipeline which is arranged in the combustion chamber and is fixed by clinging to the heat insulation layer, the bottom of the water tank is connected with a water heating backwater port of the radiator with a control valve through a cold water pipeline, and the cold water pipeline is provided with a water supplementing tank through a pipeline.
The ash discharge pipe is of a truncated cone-shaped structure with a large upper part and a small lower part, and a plurality of air inlets capable of forming spiral air flow in the ash discharge pipe are arranged on the side wall of the ash discharge pipe.
The stove plate is of a double-layer structure, the lower layer is thicker, the support column is of a trapezoid structure with a large upper part and a small lower part, local pressurization of air flow can be achieved, the upper layer stove plate is thinner, the support column is of a conical structure, the conical structure can be used for supporting fuel to achieve full combustion, and meanwhile smooth sliding down of ash residues is facilitated.
The chamfer structure at the top of the combustion chamber and the gasification disk above the chamfer structure jointly prolong the flame combustion time to realize clean combustion, the gasification disk body is divided into three layers, the pore diameter around the upper side wall of the lower layer is sequentially increased, and the full combustion of fuel is realized by gradually prolonging the residence time of flame and unburnt combustible substances and the combustion time of volatile matters.
The main adsorption material in the flue gas purification device is a material formed by compounding active carbon, a sulfur-fixing agent, a catalyst and the like prepared from biomass waste, so that the flue gas pollutant can be reacted and absorbed, and meanwhile, the purification device can cool the flue gas to inhibit precipitation of substances such as polycyclic aromatic hydrocarbon and the like, and the material can be recycled after purification.
The fuel storage chamber is provided with a rotary stirring structure with two sections of feeding valves, and the pyrolysis gas enters the furnace body to directly burn the control valve, the pyrolysis gas recovery pipeline and the control valve, so that the fuel in the storage chamber is effectively prevented from adhering and discharging difficulty and burning in advance in the combustion chamber, volatile substances can be fully burned simultaneously, the pollutant emission is reduced, and the energy utilization rate is improved.
A method for using a clean and safe combustion system comprises the following steps:
the fuel is added into the combustion chamber to be ignited, the fuel is added into the fuel storage chamber, the high temperature in the combustion chamber carries out low-temperature pyrolysis on the fuel in the fuel storage chamber through the heat insulation layer during combustion, and pyrolysis gas generated by pyrolysis can enter the combustion chamber through a furnace inlet switch between the fuel storage chamber and the combustion chamber to be fully combusted;
when the pyrolysis gas needs to be collected, a furnace inlet switch is closed, a pyrolysis gas recovery channel is opened, and the switch is pulled out;
when the combustion in the combustion chamber needs to adjust the air flow, the air inflow is adjusted by adjusting the size of grid holes of an air flow adjusting plate on the stove main body;
the local pressurizing structure of the double-layer furnace plate and the ash discharge pipe enables air to enter the combustion chamber for supporting combustion, and the burnt ash is discharged to the ash receiving chamber through the furnace plate and the ash discharge pipe;
when heating, the upper smoke control valve and the lower smoke control valve are simultaneously opened, smoke exhausted after combustion in the combustion chamber is sequentially purified by the smoke channel and the smoke purification layer and then exhausted, when cooking, the lower smoke control valve is closed, flame is concentrated at the upper part, and the smoke is exhausted only through the channel controlled by the upper smoke control valve;
when not cooking, the upper smoke control valve and the lower smoke control valve are simultaneously opened for water heating and heat supply, the water supplementing tank is opened to enable tap water to enter the combustion chamber from the cold water pipeline and be heated by the spiral pipeline fixed tightly against the heat preservation layer, the heated water enters the water tank wrapped outside the smoke channel, and the heat in the smoke channel is used for reheating the water in the water tank; the heated mixture of water and steam is pressurized by a booster pump and then is conveyed to a shower device and a radiator through a hot water control valve for home bathing and heating, cooling water discharged from a water outlet after the water temperature in the radiator is reduced enters a water tank for circulation through a cold water pipeline, and a water supplementing tank is arranged on a water return pipeline to prevent bumping and water supplementing.
The beneficial effects are that: the stove has the advantages of being capable of being modified based on the original stove, reducing purchase and popularization costs of the clean stove, relieving burden of common people, being high in fuel applicability, capable of meeting use in different areas, high in combustion efficiency, less in pollution emission and capable of meeting national energy clean utilization policies. The system can realize different choices of manual operation and automatic control, and is convenient, safe and practical.
Drawings
FIG. 1 is a block diagram of a clean and safe combustion system of the present invention;
FIG. 2 is a schematic view of a portion of a furnace wall at a gas flow control site in accordance with the present invention;
FIG. 3 is a schematic view of the ash discharging pipe of the present invention.
In the figure: the device comprises a 1-ash receiving chamber, a 2-stove body, a 3-airflow regulating plate, a 4-ash discharging pipe, a 5-stove plate, a 6-heat preservation layer, a 7-switch I, an 8-switch II, a 9-pyrolysis gas recycling channel and a switch, a 10-fuel storage chamber, a 11-combustion chamber, a 12-gasification plate, a 13-fire collecting cover, a 14-upper smoke control valve, a 15-hot water outlet, a 16-booster pump, a 17-hot water control valve, a 18-smoke purification layer, a 19-smoke control switch, a 20-water tank, a 21-smoke channel, a 22-cold water pipeline, a 23-ash cleaning port, a 24-lower smoke control valve, a 25-shower device, a 26-water heating inlet, a 27-water heating water return port with a control valve, a 28-radiator, a 29-water supplementing tank and a 30-stove switch.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The clean and safe combustion system of the present invention as shown in fig. 1 is characterized in that: the device comprises a stove, a pyrolysis gas generation and utilization device and a flue gas purification and waste heat utilization device; wherein the stove comprises a stove main body 2, a combustion chamber 11 is arranged in the middle part in the stove main body 2, a chamfer structure at the top of the combustion chamber 11 and a gasification disc above the combustion chamber are used for jointly prolonging flame combustion time to realize clean combustion, the gasification disc body is divided into three layers, the hole diameters around the upper side wall of the lower layer are sequentially increased, the full combustion of fuel is realized by gradually prolonging the residence time of flame and unburnt combustible and the combustion time of volatile matters, a heat preservation layer 6 is arranged between the combustion chamber 11 and the side wall of the stove main body 2, the chamfer structure is arranged at the top of the combustion chamber 11, an ash discharge pipe 4 is arranged at the bottom of the combustion chamber 11, the ash discharge pipe 4 is of a truncated cone-shaped structure with the upper part and the lower part, a plurality of air inlets capable of forming spiral air flows in the ash discharge pipe 4 are arranged on the side wall of the ash discharge pipe 4, an ash receiving chamber 1 is arranged at the bottom of the combustion chamber 11 below the ash discharge pipe 4, an air flow regulating plate 3 is arranged at the middle part of the ash discharge pipe 4 on the stove main body 2, the regulating plate can regulate the size of grid holes on the furnace body by moving the pushing hands left and right to realize the regulation of air inflow, the furnace tray 5 is arranged above the ash discharge pipe 4 in the combustion chamber 11, the furnace tray 5 is of a double-layer structure, the lower layer is thicker, the support column is of a trapezoid structure with big top and small bottom, the local pressurization of air flow can be realized, the upper layer furnace tray 5 is thinner, the support column is of a cone structure, the cone structure can support fuel to realize full combustion, the smooth sliding down of ash is facilitated, the top of the furnace main body 2 is provided with the gasification tray 12 above the chamfer structure of the combustion chamber 11, the gasification tray 12 is divided into three layers, the size of the holes formed around the side wall from bottom to top is increased gradually, the full combustion of fuel is realized by gradually prolonging the residence time of flame and unburnt combustible materials and the combustion time of volatile components, the top of the gasification tray 12 is opened during cooking, and the top of the gasification tray 12 is closed for sealing when not cooking, the top of the gasification disc 12 is provided with a fire gathering cover 13 which is used for adjusting the opening size through a switch and preventing energy loss due to flame gathering during cooking;
the pyrolysis gas generating device comprises a fuel storage chamber 10 tightly connected with the outer side of a stove main body 2, a charging hole is formed in the top of the fuel storage chamber 10, the upper part of the fuel storage chamber 10 is of a rectangular structure, a switch I7 and a switch II 8 are respectively arranged on the fuel storage chamber 10, the fuel storage chamber 10 is divided into three parts by the switch I7 and the switch II 8, a funnel structure is arranged below the storage chamber 10, the switch II 8 is arranged at the joint of the funnel structure and a combustion chamber 11, the switch I7 is arranged between the funnel structure and the combustion chamber 11, the low-temperature pyrolysis before the combustion of the fuel is realized by the temperature lower than a hearth which is transmitted by a heat preservation layer after the fuel is added into the storage chamber 10, after the fuel is continuously pyrolyzed for a period of time by opening the switch II 8, the switch I7 is opened for enabling the fuel to smoothly enter the combustion chamber through an oblique angle structure at the lower part, a pyrolysis gas recovery channel and a switch 9 are arranged on the side wall of the top of the fuel storage chamber 10, a furnace inlet switch 30 is arranged between the fuel storage chamber 10 and the combustion chamber 11, the pyrolysis gas enters the pyrolysis furnace body through the pyrolysis gas inlet switch 30 to be fully combusted, and the pyrolysis gas is required to be collected after the pyrolysis gas is connected with the combustion chamber through the pyrolysis gas recovery channel and the switch 9;
the flue gas purifying and waste heat utilizing device comprises a flue gas channel 21 arranged on one side of a stove main body 2, an upper connecting port and a lower connecting port are respectively arranged on the side wall of the flue gas channel 21 and the side wall of the stove main body 2, one opening of the flue gas channel is arranged on the high side of a stove plate 5, the other opening of the flue gas channel is arranged on the high side of a gasification plate 12, a lower flue gas control valve 24 is arranged at the high opening of the stove plate 5, an upper flue gas control valve 14 is arranged at the high opening of the gasification plate 12, a clinker cleaning port 23 is arranged at the bottom of the flue gas channel 21, a flue gas purifying layer 18 is arranged at the top of the flue gas channel, a flue gas control switch 19 is arranged at the flue gas purifying layer 18, a water tank 20 wrapped on the outer side is arranged on the flue gas channel 21, a hot water outlet 15 is arranged above the water tank 20, the hot water outlet 15 is connected with a water heating inlet 26 of a radiator 28 through a booster pump 16, and a hot water control valve 17 and a shower device 25 are respectively arranged on the pipelines of the booster pump 16 and the radiator 28; the lower part of the water tank 20 is connected with a spiral pipeline which is arranged in the combustion chamber 11 and is fixed tightly against the heat insulation layer, the bottom of the water tank 20 is connected with a water heating return port 27 with a control valve of a radiator 28 through a cold water pipeline 22, and a water supplementing tank 29 is arranged on the cold water pipeline 22 through a pipeline.
The main adsorption material in the flue gas purification device is a material formed by compounding active carbon, a sulfur-fixing agent, a catalyst and the like prepared from biomass waste, so that the flue gas pollutant can be reacted and absorbed, and meanwhile, the purification device can cool the flue gas to inhibit precipitation of substances such as polycyclic aromatic hydrocarbon and the like, and the material can be recycled after purification. The fuel storage chamber 10 is provided with a rotary stirring structure with two sections of feeding valves, and a pyrolysis gas entering the furnace body directly combusts a control valve, a pyrolysis gas recovery pipeline and a control valve, so that the fuel in the storage chamber is effectively prevented from adhering and discharging difficulty and burning in advance in a combustion chamber, volatile substances can be fully combusted, pollutant emission is reduced, and the energy utilization rate is improved.
A method for using a clean and safe combustion system comprises the following steps:
the fuel is added into the combustion chamber 11 to be ignited, and the fuel is added into the fuel storage chamber 10, when in combustion, the high temperature in the combustion chamber 11 carries out low-temperature pyrolysis on the fuel in the fuel storage chamber 10 through the heat preservation layer 6, and pyrolysis gas generated by pyrolysis can enter the combustion chamber 11 through the furnace inlet switch 30 between the fuel storage chamber 10 and the combustion chamber 11 to be fully combusted;
when the pyrolysis gas needs to be collected, the furnace inlet switch 30 is closed, the pyrolysis gas recovery channel is opened, and the switch 9 is pulled out;
when the combustion chamber 11 is burnt and the air flow needs to be regulated, the air inflow is regulated by regulating the size of the grid holes of the air flow regulating plate 3 on the stove main body;
the local pressurizing structure of the double-layer furnace plate 5 and the ash discharge pipe 4 enables air to enter the combustion chamber for supporting combustion, and the burnt ash is discharged to the ash receiving chamber 1 through the furnace plate 5 and the ash discharge pipe 4;
the upper smoke control valve 14 and the lower smoke control valve 24 are simultaneously opened during heating, smoke exhausted after combustion of the combustion chamber 11 is sequentially purified and exhausted through the smoke channel 21 and the smoke purifying layer 18, the lower smoke control valve 24 is closed during cooking, flames are concentrated at the upper part, and the smoke is exhausted only through the channel controlled by the upper smoke control valve 14;
when not cooking, the upper smoke control valve 14 and the lower smoke control valve 24 are simultaneously opened for water heating and heat supply, the water supplementing tank 29 is opened to enable tap water to enter the combustion chamber 11 from the cold water pipeline 22 and be heated by a spiral pipeline fixed close to the heat preservation layer, the heated water enters the water tank 20 wrapped outside the smoke channel 21, and the water in the water tank 20 is reheated by the heat in the smoke channel 21; the heated mixture of water and steam is pressurized by the booster pump 16 and then is conveyed to the shower device 25 and the radiator 28 through the hot water control valve 17 for bath and heating of families, cooling water discharged from the water outlet after the water temperature in the radiator 28 is reduced enters the water tank 20 for circulation through the cold water pipeline 22, and the water return pipeline is provided with the water supplementing tank 29 for preventing bumping and supplementing water.
Example 1
The ignition fuel is ignited in the hearth, the biomass briquette fuel is added into the fuel storage chamber 10 for low-temperature pyrolysis, and the pyrolysis gas inlet channel and the switch 9 are opened to enable the pyrolysis gas to enter the combustion chamber 11 for full combustion. The air inflow of air is properly increased by moving the left-right air flow regulating plate 3 to regulate the size of grid holes on the furnace body, the lower smoke control valve 24 is closed, the upper smoke control valve 14 is opened to concentrate flame on the upper part of the combustion chamber 11, and the top fire banking cover 13 and the fire gathering cover 13 of the gasification plate 12 are opened for cooking. The flue gas is discharged only through the channel in which the upper flue gas control valve 14 is located. The double-layer furnace plate and the local pressurizing structure enable air flow to smoothly enter the combustion chamber 11 for supporting combustion, and ash residues after combustion are discharged to the ash receiving chamber 1 through the furnace plate 5 and the ash discharging pipe 4. The cold water pipeline 22 heats tap water from the cold water pipeline into the combustion chamber 11, is tightly fixed on the heat insulation layer, is communicated with the water tank 20, is communicated with the hot water pipe in the flue gas channel 21, and heats water in the water tank 20 again by heat in the flue gas channel 21, and a mixture of water and steam heated in the water tank 20 is pressurized by the booster pump 16 and is conveyed to the pipeline through the water heating water outlet 15. The shower switch 17 is closed, so that hot water enters the radiator 28 for household heating, the hot water enters from the water inlet 26 at the top of the radiator 28, and after circulation, the hot water is discharged to the water return port through the water heating water return port 27 of the bottom control valve for recirculation, and the water return pipeline is provided with the water supplementing tank 20 for preventing bumping and supplementing water.
Example 2:
ignition fuel is ignited in the combustion chamber 11, biomass briquette fuel is added into the fuel storage chamber 10 for pyrolysis, and the pyrolysis gas recovery channel and the switch 9 are opened to enable pyrolysis to be stored into the storage tank through the booster pump, so that pollution emission and energy waste caused by insufficient combustion are avoided. The air inflow is properly reduced by moving the air flow regulating plate left and right to regulate the size of grid holes on the furnace body, and simultaneously, the lower smoke control valve 24 and the upper smoke control valve 14 are opened, the top fire banking cover and the fire gathering cover 13 of the gasification plate 12 are closed for heating, a CO alarm is required to be installed and used for preventing dangers from happening due to the fire banking effect, and meanwhile, smoke is discharged through the channels where the upper smoke control valve 14 and the lower smoke control valve 24 are located. The double-layer furnace plate 5 and the local pressurizing structure enable air flow to smoothly enter the combustion chamber 11 for supporting combustion, and ash residues after combustion are discharged to the ash receiving chamber through the furnace plate 5 and the ash discharging pipe 4. Cold water is led into the combustion chamber 11, is heated by a spiral pipeline which is tightly fixed on the heat insulation layer, is communicated with the water tank 20, is communicated with a water heating pipe in the flue gas channel 21, the water in the water tank 20 is heated again by heat in the flue gas channel 21, and the mixture of the heated water and steam in the water tank 20 is pressurized by the booster pump 16 and is conveyed to the pipeline through a water heating water outlet. The shower switch 17 is turned on to perform bathing, hot water enters the radiator 28 for household heating, the hot water enters from the water inlet at the top of the radiator 28, is discharged to the water return port through the water outlet at the bottom after circulation, and is circulated again, and the water return pipeline is provided with the water supplementing tank 29 for preventing bumping and supplementing water.
Claims (7)
1. A clean and safe combustion system, characterized by: the device comprises a stove, a pyrolysis gas generation and utilization device and a flue gas purification and waste heat utilization device; the stove comprises a stove main body (2), a combustion chamber (11) is arranged in the middle of the inside of the stove main body (2), a heat insulation layer (6) is arranged between the combustion chamber (11) and the side wall of the stove main body (2), a chamfer structure is arranged at the top of the combustion chamber (11), an ash discharge pipe (4) is arranged at the bottom of the combustion chamber (11), an ash receiving chamber (1) is arranged at the bottom of the inside of the ash discharge pipe (4), an air flow regulating plate (3) is arranged in the middle of the ash discharge pipe (4) on the stove main body (2), the regulating plate regulates the size of grid holes on the stove main body by moving a pushing handle left and right, a stove plate (5) is arranged above the ash discharge pipe (4) in the combustion chamber (11), a gasification plate (12) is arranged at the top of the combustion chamber (11), the gasification plate (12) is divided into three layers from bottom to top, the periphery of the side wall, the top of the combustion plate (12) is fully combusted by prolonging the retention time of flame and unburnt combustibles and the combustion time of the volatiles, when the top of the gasification plate (12) is opened, and when the top of the gasification plate (12) is closed, the top is opened, and the top of the gasification plate (12) is closed by a large flame is prevented from being accumulated, and the large flame loss is avoided when the top is opened, and the top is used for cooking loss is avoided; the pyrolysis gas generating device comprises a fuel storage chamber (10) tightly connected with the outer side of a stove main body (2), a charging port is arranged at the top of the fuel storage chamber (10), the upper part of the fuel storage chamber (10) is of a rectangular structure, a switch I (7) and a switch II (8) are respectively arranged on the fuel storage chamber (10), the fuel storage chamber (10) is divided into three parts by the switch I (7) and the switch II (8), a funnel structure is arranged below the storage chamber (10), the switch II (8) is arranged at the joint of the funnel structure and a combustion chamber (11), the switch I (7) is arranged between the funnel structure and the combustion chamber (11), the low-temperature pyrolysis of the fuel before combustion is realized by the temperature lower than a hearth transmitted by a heat preservation layer after the fuel is added into the storage chamber (10), after the fuel is opened by the switch II (8), a part of the fuel moves to the lower part for a period, the fuel enters the combustion chamber smoothly by the lower part of the bevel structure, a pyrolysis gas recovery channel and the switch 9 are arranged on the side wall of the top of the fuel storage chamber (10), the fuel storage chamber (10) is provided with a pyrolysis gas recovery channel and the switch (10), the pyrolysis gas recovery channel is arranged between the fuel storage chamber (10) and the combustion chamber (11) and the pyrolysis gas recovery channel (30) is connected with the pyrolysis gas recovery channel and the pyrolysis gas recovery channel (30) and the pyrolysis gas recovery channel and the pyrolysis gas recovery device, and the pyrolysis gas recovery device is fully needed to be connected to the combustion gas recovery channel (30; the flue gas purifying and waste heat utilizing device comprises a flue gas channel (21) arranged on one side of a stove main body (2), an upper connecting port and a lower connecting port are respectively arranged on the side wall of the flue gas channel (21) and the side wall of the stove main body (2), one opening of the flue gas channel is arranged on the high side of a stove plate (5), the other opening of the flue gas channel is arranged on the high side of a gasification plate (12), a lower flue gas control valve (24) is arranged at the high opening of the stove plate (5), an upper flue gas control valve (14) is arranged at the high opening of the gasification plate (12), an ash residue cleaning port (23) is arranged at the bottom of the flue gas channel (21), a flue gas purifying layer (18) is arranged at the top of the flue gas channel, a flue gas control switch (19) is arranged at the flue gas purifying layer (18), a water tank (20) wrapped on the outer side is arranged on the flue gas channel (21), a hot water outlet (15) is arranged above the water tank (20), the hot water outlet (15) is connected with a hot water inlet (26) of a radiator (28) through a booster pump (16), and a hot water control valve (17) and a shower device (25) are respectively arranged on the pipelines of the booster pump (16) and the radiator (28); the lower part of the water tank (20) is connected with a spiral pipeline which is arranged in the combustion chamber (11) and is fixed by clinging to the heat insulation layer, the bottom of the water tank (20) is connected with a water heating return port (27) with a control valve of a radiator (28) through a cold water pipeline (22), and a water supplementing tank (29) is arranged on the cold water pipeline (22) through a pipeline.
2. The clean and safe combustion system of claim 1, wherein: the ash discharge pipe (4) is of a truncated cone-shaped structure with a big upper part and a small lower part, and a plurality of air inlets forming spiral air flow in the ash discharge pipe (4) are arranged on the side wall of the ash discharge pipe (4).
3. The clean and safe combustion system of claim 1, wherein: the furnace plate (5) is of a double-layer structure, the lower layer is thicker, the support column is of a trapezoid structure with a large upper part and a small lower part, local pressurization of air flow is realized, the upper-layer furnace plate (5) is thinner, the support column is of a conical structure, and the conical structure is used for supporting fuel to realize full combustion and is beneficial to smooth sliding down of ash residues.
4. The clean and safe combustion system of claim 1, wherein: the chamfer structure at the top of the combustion chamber (11) and the gasification disk above jointly prolong the flame combustion time to realize clean combustion, the gasification disk body is divided into three layers, the pore diameter around the upper side wall of the lower layer is sequentially increased, and the full combustion of fuel is realized by gradually prolonging the residence time of flame and unburnt combustible substances and the combustion time of volatile matters.
5. The clean and safe combustion system of claim 1, wherein: the adsorption material in the flue gas purification and waste heat utilization device is a material formed by compounding activated carbon prepared from biomass waste, a sulfur-fixing agent and a catalyst, the reaction and absorption of flue gas pollutants are carried out, meanwhile, the purification device cools the flue gas to inhibit the precipitation of polycyclic aromatic hydrocarbon substances, and the material is recycled after purification.
6. The clean and safe combustion system of claim 1, wherein: the fuel storage chamber (10) is provided with a rotary stirring structure with two sections of feeding valves, a pyrolysis gas entering the furnace body directly combusts a control valve, a pyrolysis gas recovery pipeline and a control valve, so that the difficulty in fuel adhesion and discharging in the storage chamber and the advance combustion in the combustion chamber are effectively prevented, volatile substances are fully combusted, the pollutant emission is reduced, and the energy utilization rate is improved.
7. A method of using the clean and safe combustion system of claim 1, comprising the steps of: the fuel is added into a combustion chamber (11) for ignition, the fuel is added into a fuel storage chamber (10), the fuel in the fuel storage chamber (10) is subjected to low-temperature pyrolysis by a high temperature in the combustion chamber (11) through a heat insulation layer (6), and pyrolysis gas generated by pyrolysis enters the combustion chamber (11) through a furnace inlet switch (30) between the fuel storage chamber (10) and the combustion chamber (11) for full combustion; when the pyrolysis gas needs to be collected, the furnace inlet switch (30) is closed, and the pyrolysis gas recovery channel and the switch (9) are opened for extraction; when the combustion chamber (11) is required to adjust the air flow, the air inflow is adjusted by adjusting the size of grid holes of the air flow adjusting plate (3) on the stove main body; the local pressurizing structure of the double-layer furnace plate (5) and the ash discharge pipe (4) enables air to enter the combustion chamber for supporting combustion, and the burnt ash is discharged to the ash receiving chamber (1) through the furnace plate (5) and the ash discharge pipe (4); when heating, the upper smoke control valve (14) and the lower smoke control valve (24) are simultaneously opened, smoke exhausted after combustion in the combustion chamber (11) is sequentially purified by the smoke channel (21) and the smoke purifying layer (18) and then exhausted, when cooking, the lower smoke control valve (24) is closed, flame is concentrated at the upper part, and the smoke is exhausted only through the channel controlled by the upper smoke control valve (14); when not cooking, the upper smoke control valve (14) and the lower smoke control valve (24) are simultaneously opened for water heating and heat supply, the water supplementing tank (29) is opened to enable tap water to enter the combustion chamber (11) from the cold water pipeline (22) and be heated by a spiral pipeline fixed close to the heat insulation layer, the heated water enters the water tank (20) wrapped outside the smoke channel (21), and the water in the water tank (20) is heated again by the heat in the smoke channel (21); the heated mixture of water and steam is pressurized by a booster pump (16) and then is conveyed to a shower device (25) and a radiator (28) through a hot water control valve (17) for bath and heating of families, cooling water discharged from a water outlet after the water temperature in the radiator (28) is reduced enters a water tank (20) for circulation through a cold water pipeline (22), and a water supplementing tank (29) is arranged on a water return pipeline to prevent bumping and water supplementing.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2259565Y (en) * | 1996-02-06 | 1997-08-13 | 刘凤武 | Efficient multi-function briquette stove |
| WO2012137191A1 (en) * | 2011-04-07 | 2012-10-11 | Pt. Total Sinergy International | Gasification burner |
| KR101723818B1 (en) * | 2016-11-11 | 2017-04-06 | (주) 동일우드 | Complete combustion system and complete combustion system operating method |
| CN107131639A (en) * | 2016-05-01 | 2017-09-05 | 石家庄中嘉采暖设备有限公司 | A kind of large-scale heating hot water boiler |
| WO2017164530A2 (en) * | 2016-03-21 | 2017-09-28 | 김성우 | Combustor for various types of solid fuels |
| CN107435950A (en) * | 2017-09-12 | 2017-12-05 | 兖矿集团有限公司 | The coal-fired cooking hot-blast stove and cooking heating method and purposes of a kind of energy-conserving and environment-protective |
| CN109340832A (en) * | 2018-10-09 | 2019-02-15 | 芜湖天火新能源科技有限公司 | A kind of clean fuel stove |
| CN210891770U (en) * | 2019-08-27 | 2020-06-30 | 中国矿业大学 | Clean and safe combustion system |
-
2019
- 2019-08-27 CN CN201910793915.5A patent/CN110425573B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2259565Y (en) * | 1996-02-06 | 1997-08-13 | 刘凤武 | Efficient multi-function briquette stove |
| WO2012137191A1 (en) * | 2011-04-07 | 2012-10-11 | Pt. Total Sinergy International | Gasification burner |
| WO2017164530A2 (en) * | 2016-03-21 | 2017-09-28 | 김성우 | Combustor for various types of solid fuels |
| CN107131639A (en) * | 2016-05-01 | 2017-09-05 | 石家庄中嘉采暖设备有限公司 | A kind of large-scale heating hot water boiler |
| KR101723818B1 (en) * | 2016-11-11 | 2017-04-06 | (주) 동일우드 | Complete combustion system and complete combustion system operating method |
| CN107435950A (en) * | 2017-09-12 | 2017-12-05 | 兖矿集团有限公司 | The coal-fired cooking hot-blast stove and cooking heating method and purposes of a kind of energy-conserving and environment-protective |
| CN109340832A (en) * | 2018-10-09 | 2019-02-15 | 芜湖天火新能源科技有限公司 | A kind of clean fuel stove |
| CN210891770U (en) * | 2019-08-27 | 2020-06-30 | 中国矿业大学 | Clean and safe combustion system |
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| CN110425573A (en) | 2019-11-08 |
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