CN114811556A - Energy-saving and environment-friendly boiler and boiler combustion method - Google Patents
Energy-saving and environment-friendly boiler and boiler combustion method Download PDFInfo
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- CN114811556A CN114811556A CN202110086046.XA CN202110086046A CN114811556A CN 114811556 A CN114811556 A CN 114811556A CN 202110086046 A CN202110086046 A CN 202110086046A CN 114811556 A CN114811556 A CN 114811556A
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- furnace shell
- fuel mixer
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- 238000009841 combustion method Methods 0.000 title claims description 8
- 239000000446 fuel Substances 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000003245 coal Substances 0.000 claims abstract description 36
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000003546 flue gas Substances 0.000 claims abstract description 29
- 238000002485 combustion reaction Methods 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 239000000779 smoke Substances 0.000 claims description 9
- 238000006477 desulfuration reaction Methods 0.000 claims description 8
- 230000023556 desulfurization Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 239000003517 fume Substances 0.000 claims description 6
- 241000208125 Nicotiana Species 0.000 claims description 3
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims 5
- 239000002956 ash Substances 0.000 description 26
- 230000003009 desulfurizing effect Effects 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010883 coal ash Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
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- 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
- F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
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- 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
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/02—Pneumatic feeding arrangements, i.e. by air blast
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
Abstract
The invention relates to an energy-saving and environment-friendly boiler which comprises a boiler shell, wherein a controller is installed on the side wall of the boiler shell, an ash discharge cavity is arranged in the boiler shell and close to the bottom of the boiler shell, a combustion cavity is arranged above the ash discharge cavity, a grid plate fixed on the inner wall of the boiler shell is horizontally arranged between the combustion cavity and the ash discharge cavity, a fuel mixer fixed on the boiler shell is arranged above the grid plate, a combustor integrally formed with the fuel mixer is fixedly arranged at the tail end of the fuel mixer and communicated with the fuel mixer, a bearing ring fixed on the inner wall of the boiler shell is arranged above the combustor, a water boiler is placed on the bearing ring, and a flue gas treatment mechanism fixed on the boiler shell and extending out of the boiler shell is arranged between the water boiler and the combustor; the invention arranges the fuel mixer in the furnace shell, the coal powder and the air are fully mixed and then enter the burner to be ignited and combusted, so that the coal powder can be fully combusted, and in the combustion process, the flue gas is treated by the flue gas treatment mechanism and then is discharged into the air, thereby avoiding the pollution of the flue gas to the environment.
Description
Technical Field
The invention relates to the technical field of environment-friendly equipment, in particular to an energy-saving environment-friendly boiler and a boiler combustion method.
Background
The coal-fired boiler is a heat exchange device widely applied in the fields of life and production, and performs heat exchange between high-temperature flue gas generated during coal combustion and water so as to provide high-temperature steam or hot water. The existing coal-fired boiler generally has the defects of low coal utilization rate, strong pollution of discharged flue gas and the like, and accelerates the consumption of coal resources and the deterioration of the environment. The main reasons for this are: coal is not fully combusted in the hearth, and part of energy is not converted into heat energy; the high-temperature flue gas quickly moves upwards, is in contact with a water layer, is small in volume and short in time, and carries a large amount of waste heat to be discharged from a flue. Some energy-saving boilers properly increase the heat exchange area like water tube boilers, but the coal combustion and the smoke retention time are not changed, so the energy-saving effect is not ideal, and the problem of high pollution of discharged smoke cannot be solved. Therefore, an energy-saving and environment-friendly boiler and a boiler combustion method are provided.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides an energy-saving and environment-friendly boiler and a boiler combustion method.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
an energy-saving and environment-friendly boiler comprises a furnace shell with a controller arranged on the side wall, an ash discharge cavity is arranged in the furnace shell and close to the bottom of the furnace shell, a combustion cavity is arranged above the ash discharge cavity, a grid plate fixed on the inner wall of the furnace shell is horizontally arranged between the combustion cavity and the ash discharge cavity, a fuel mixer fixed on the furnace shell is arranged above the grid plate, a burner integrally formed with the fuel mixer and communicated with the fuel mixer is fixedly arranged at the tail end of the fuel mixer, a bearing ring fixed on the inner wall of the furnace shell is arranged above the burner, a water furnace is arranged on the bearing ring, a smoke treatment mechanism fixed on the furnace shell and extending out of the furnace shell is arranged between the water furnace and the burner, a ventilating plate fixed on the inner wall of the furnace shell is arranged above the water furnace, a steam discharge pipe with an electromagnetic valve a and fixed on the furnace shell and extending out of the furnace shell is arranged above the ventilating plate, and one side of the steam discharge pipe is provided with a water inlet pipe which is fixed on the furnace shell and extends out of the furnace shell and is provided with an electromagnetic valve b.
Furthermore, the furnace shell is provided with an ash discharge opening at the ash discharge cavity, the ash discharge opening is provided with an ash discharge door with one end fixed with the other end hinged with the ash discharge opening through a lock catch, the furnace shell is provided with a feed inlet at the fuel mixer, and the feed inlet is provided with a sealing door with one end fixed with the other end hinged with the feed inlet through a lock catch.
Further, the fuel mixer comprises an inverted T-shaped shell which is fixed on the furnace shell and has two open ends, a mixing channel which is integrally formed with the inverted T-shaped shell is arranged inside the inverted T-shaped shell, a regulator is arranged inside the mixing channel, an air guide tube which extends to the inside of the inverted T-shaped shell is arranged at one end, located at the regulator, of the top of the inverted T-shaped shell, and the tail end of the air guide tube extends to the outside of the furnace shell and is connected with a pressurizing air blower.
Further, the mixed channel comprises an expansion channel which is fixed inside the T-shaped shell and is close to the feeding port, the tail end of the expansion channel is connected with a shrinkage channel integrally formed with the expansion channel through a connecting channel, and the tail end of the shrinkage channel is provided with an extension channel integrally formed with the shrinkage channel.
Further, the regulator is including the plate body an that is fixed in the junction of interface channel and shrinkage cavity passageway, through-hole a has been seted up on the plate body a, and one side of plate body a is equipped with the plate body b that is fixed in on the interface channel, through-hole b has been seted up on the plate body b, be equipped with the removal ball sealer that is connected with plate body b through the spring between plate body a and the plate body b, the fixed stereoplasm connecting rod that is equipped with in top of removing the ball sealer, the end fixing of stereoplasm connecting rod is equipped with the soft control rod that extends to the stove outer shell, be equipped with on the stove outer with soft control rod matched with groove of stepping down.
Further, the air duct comprises a duct body a and a duct body b with a pressure gauge, and the duct body a and the duct body b are connected through a diffuser pipe integrally formed with the duct body a and the duct body b.
Furthermore, a plurality of fire holes are formed in the top of the combustor, and a plurality of ash discharge grooves are formed in the bottom of the combustor.
Further, flue gas treatment mechanism is including being fixed in the pipe of discharging fume that has the filter screen on the stove outer covering, the tip of discharging fume the pipe is equipped with rather than integrated into one piece and has the digester that advances the tobacco pipe, the inside of digester is provided with the desulfurization sponge, one side of desulfurization sponge is equipped with the desulfurizer atomizer of installing in the digester inside, the top of desulfurizer atomizer is equipped with rather than being linked together and extends to the outside desulfurizer of stove outer covering and adds the pipe.
Furthermore, the electromagnetic valve a, the electromagnetic valve b and the pressurizing blower are all electrically connected with a controller, and a water level sensor electrically connected with the controller is arranged on the inner wall of the water furnace.
The invention also provides a combustion method of the energy-saving and environment-friendly boiler, which comprises the following steps:
1) opening a sealing door, adding coal powder into a fuel mixer from a feed inlet, starting a pressurizing blower to enable the pressure in the fuel mixer to reach 1.1 atmosphere, fully mixing the coal powder and air in the fuel mixer, and preventing the coal powder from entering a combustor by a regulator;
2) after the coal powder is mixed, the pressurizing blower is closed, and meanwhile, the pressure in the fuel mixer is relieved, so that the pressure in the fuel mixer reaches 0.9 atmospheric pressure, the regulator moves to the feed inlet, and meanwhile, the soft control rod is driven by hands to move upwards along the abdicating groove;
3) and the pressurizing blower is started again, the pulverized coal in the pulverized coal mixer is blown into the combustor to be ignited and combusted, the electromagnetic valve a is opened to discharge steam for heat utilization after water in the water furnace is boiled, and the flue gas generated in the combustion process is discharged after being treated by the flue gas treatment mechanism, so that the pollution of the flue gas to the atmosphere is reduced.
The invention arranges the fuel mixer in the furnace shell, the coal powder and the air are fully mixed and then enter the burner to be ignited and combusted, so that the coal powder can be fully combusted, and in the combustion process, the flue gas is treated by the flue gas treatment mechanism and then is discharged into the air, thereby avoiding the pollution of the flue gas to the environment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of an angle of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of the overall structure of the present invention;
FIG. 4 is a front view of FIG. 3 of the present invention;
FIG. 5 is a schematic diagram of a portion of the structure of FIG. 3 in accordance with the present invention;
FIG. 6 is a schematic structural view of a fuel mixer, burner and flue gas treatment mechanism of the present invention;
FIG. 7 is a schematic view of another angle configuration of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic view of the internal structure of FIG. 6 of the present invention;
FIG. 9 is a schematic diagram of a portion of the structure of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic view of the structure of the furnace shell of the present invention.
The reference numbers in the figures illustrate: 1-furnace shell, 2-abdicating groove, 3-soft operating rod, 4-desulfurizer adding pipe, 5-controller, 6-smoke exhaust pipe, 7-electromagnetic valve a, 8-electromagnetic valve b, 9-water inlet pipe, 10-steam exhaust pipe, 11-pressure gauge, 12-pipe body b, 13-sealing door, 14-ash discharge door, 15-lock catch, 16-ventilating plate, 17-bearing ring, 18-water furnace, 19-diffuser pipe, 20- "reverse T" type shell, 21-grid plate, 22-burner, 23-combustion chamber, 24-ash discharge chamber, 25-water level sensor, 27-desulfurizing tank, 28-smoke inlet pipe, 29-pipe body a, 30-fire outlet, 31-ash outlet groove, 32-filter screen, 32-desulfurizer, 33-desulfurization sponge, 34-desulfurizer atomizer, 35-hard connecting rod, 36-expansion channel, 37-connecting channel, 38-through hole b, 39-plate body b, 40-spring, 41-movable sealing ball, 42-extension channel, 43-contraction channel, 44-through hole a, 45-plate body a, 46-feeding port and 47-ash discharging port.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 10, the embodiment provides an energy-saving and environment-friendly boiler, which includes a furnace shell 1 having a controller 5 mounted on a side wall thereof, an ash discharge chamber 24 is disposed inside the furnace shell 1 near a bottom thereof, a combustion chamber 23 is disposed above the ash discharge chamber 24, a grid plate 21 fixed on an inner wall of the furnace shell 1 is horizontally disposed between the combustion chamber 23 and the ash discharge chamber 24, a fuel mixer fixed on the furnace shell 1 is disposed above the grid plate 21, a burner 22 integrally formed and communicated with the fuel mixer is fixedly disposed at a terminal of the fuel mixer, a support ring 17 fixed on the inner wall of the furnace shell 1 is disposed above the burner 22, a water furnace 18 is disposed on the support ring 17, a flue gas treatment mechanism fixed on the furnace shell 1 and extending out of the furnace shell 1 is disposed between the water furnace 18 and the burner 22, a gas permeable plate 16 fixed on the inner wall of the furnace shell 1 is disposed above the water furnace 18, a steam discharge pipe 10 with an electromagnetic valve a7 fixed on the furnace shell 1 and extending out of the furnace shell 1 is arranged above the ventilation plate 16, and a water inlet pipe 9 with an electromagnetic valve b8 fixed on the furnace shell 1 and extending out of the furnace shell 1 is arranged on one side of the steam discharge pipe 10.
A fuel mixer is arranged in a furnace shell 1, coal powder and air are fully mixed and then enter a combustor 22 for ignition and combustion, the coal powder can be fully combusted, in the combustion process, smoke is treated by a smoke treatment mechanism and then is discharged into the air, the smoke is prevented from polluting the environment, the combustor 22 heats a water furnace 18 after the coal powder is combusted, and after water is boiled, a controller 5 opens an electromagnetic valve a7 to enable steam to be discharged from a steam discharge pipe 10.
Preferably, the furnace shell 1 is provided with an ash discharge port 47 at the ash discharge cavity 24, the ash discharge port 47 is provided with an ash discharge door 14 with one end hinged to the ash discharge port and the other end fixed by a lock catch 15, the furnace shell 1 is provided with a material inlet 46 at the fuel mixer, and the material inlet 46 is provided with a sealing door 13 with one end hinged to the other end fixed by a lock catch 15.
The ash discharge port 47 is arranged to facilitate removal of coal ash after the ash discharge door 14 is opened, and the feed port 46 is arranged to facilitate addition of pulverized coal into the fuel mixer after the sealing door 13 is opened.
Preferably, the fuel mixer comprises an inverted T-shaped shell 20 which is fixed on the furnace shell 1 and has two open ends, a mixing channel integrally formed with the inverted T-shaped shell 20 is arranged inside the inverted T-shaped shell 20, a regulator is arranged inside the mixing channel, an air guide tube extending to the inside of the inverted T-shaped shell 20 is arranged at one end, located at the regulator, of the top of the inverted T-shaped shell 20, and the tail end of the air guide tube extends to the outside of the furnace shell 1 and is connected with the pressurizing air blower.
And blowing air into the T-shaped shell 20 by the pressurizing blower, increasing the pressure inside the T-shaped shell 20, blocking a channel between the mixing channel and the burner 22 by the regulator, and fully mixing the pulverized coal and the air in the T-shaped shell 20.
Preferably, the mixing channel includes an expansion channel 36 fixed inside the t-shaped housing 20 and close to the feeding port 46, the end of the expansion channel 36 is connected to a contraction channel 43 integrally formed therewith through a connection channel 37, and the end of the contraction channel 43 is provided with an extension channel 42 integrally formed therewith.
The mixing channel consists of an expansion channel 36, a connecting channel 37, a contraction channel 43 and an extension channel 42, and can form a variable pressure channel in the process of mixing pulverized coal, so that the mixing effect is good.
Preferably, the regulator is including the plate body a44 that is fixed in the junction of interface channel 37 and shrinkage cavity passageway 43, through-hole a45 has been seted up on plate body a44, and one side of plate body a44 is equipped with plate body b39 that is fixed in on the interface channel, through-hole b38 has been seted up on plate body b39, be equipped with the removal ball sealer 41 that is connected through spring 40 and plate body b39 between plate body a44 and the plate body b39, the fixed stereoplasm connecting rod 35 that is equipped with in top of removing ball sealer 41, the end fixing of stereoplasm connecting rod 35 is equipped with the soft control rod 3 that extends to the stove outer 1, be equipped with on the stove outer 1 and let the groove 2 with soft control rod 3 matched with.
In the process of mixing the pulverized coal, because the pressure inside the reverse-T-shaped shell 20 is greater than the pressure inside the combustor 22, the through hole a45 is blocked by the movable sealing ball 41, so that a closed space is formed in the reverse-T-shaped shell 20, the pulverized coal and the air are fully mixed, after the mixing is completed, the pressure inside the reverse-T-shaped shell 20 is relieved, the sealing ball 41 is moved under the action of the spring 40, the movable sealing ball 41 is lifted up by operating the soft operating rod 3, and the pressurizing blower is started to blow the pulverized coal into the combustor 22 for combustion.
Preferably, the air duct comprises a duct body a29 and a duct body b12 with a pressure gauge 11, and the duct body a29 and the duct body b12 are connected through a diffuser tube 19 integrally formed with the duct body.
The diffuser pipe 19 can accelerate the air entering into the inside of the T-shaped shell 20.
Preferably, the top of the burner 22 is provided with a plurality of fire holes 30, and the bottom of the burner 22 is provided with a plurality of ash grooves 31.
The fire hole 30 is arranged to facilitate heating of the water furnace 18, and the ash chute 31 is arranged to discharge coal ash into the ash discharge chamber 24.
Preferably, flue gas treatment mechanism is including being fixed in the pipe 6 of discharging fume that has filter screen 32 on the stove outer covering 1, the tip of discharging fume the pipe 6 be equipped with rather than integrated into one piece and have the digester 27 of advancing tobacco pipe 28, the inside of digester 27 is provided with desulfurization sponge 33, one side of desulfurization sponge 33 is equipped with installs in the inside desulfurizer atomizer 34 of digester 27, the top of desulfurizer atomizer 34 is equipped with rather than being linked together and extends to the outside desulfurizer addition pipe 4 of stove outer covering 1.
The flue gas enters the desulfurizing tank 27 from the flue gas inlet pipe 28, the desulfurizing agent enters the desulfurizing agent atomizer 34 from the desulfurizing agent adding pipe 4, is atomized by the desulfurizing agent atomizer 34 and then discharged into the desulfurizing sponge 33, the flue gas is mixed with the desulfurizing sponge 33 to remove sulfur-containing components in the flue gas, and the flue gas after desulfurization is discharged after particulate matters are filtered by the filter screen 32.
Preferably, the electromagnetic valve a7, the electromagnetic valve b8 and the pressurizing blower are all electrically connected with the controller 5, and the inner wall of the water boiler 18 is provided with a water level sensor 25 electrically connected with the controller 5.
The controller controls the solenoid valve a7 and the solenoid valve b8, and the water level sensor 25 is arranged to know the water level inside the water boiler 18.
The invention also provides a combustion method of the energy-saving and environment-friendly boiler, which comprises the following steps:
1) opening the sealing door 13, adding the pulverized coal into the fuel mixer from the feeding port 46, starting the pressurizing blower to make the pressure in the fuel mixer reach 1.1 atmosphere, fully mixing the pulverized coal and air in the fuel mixer and preventing the pulverized coal from entering the combustor 22 by the regulator;
2) after the coal powder is mixed, the pressurizing blower is closed, meanwhile, the pressure in the fuel mixer is relieved, the pressure in the fuel mixer is enabled to reach 0.9 atmospheric pressure, the regulator moves to the feed inlet, and meanwhile, the soft control rod 3 is driven by hands to move upwards along the abdicating groove 2;
3) and the pressurizing blower is started again, the pulverized coal in the pulverized coal mixer is blown into the combustor 22 for ignition and combustion, the electromagnetic valve a7 is opened after water in the water furnace 18 is boiled to discharge steam for heat utilization, and the flue gas generated in the combustion process is treated by the flue gas treatment mechanism and then discharged, so that the pollution of the flue gas to the atmosphere is reduced.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. The utility model provides an energy-concerving and environment-protective boiler, includes that the lateral wall installs the stove outer covering of controller, its characterized in that: an ash discharge cavity is arranged in the furnace shell near the bottom of the furnace shell, a combustion cavity is arranged above the ash discharge cavity, a grid plate fixed on the inner wall of the furnace shell is horizontally arranged between the combustion chamber and the ash discharge chamber, a fuel mixer fixed on the furnace shell is arranged above the grid plate, the tail end of the fuel mixer is fixedly provided with a combustor which is integrally formed with the fuel mixer and communicated with the fuel mixer, a bearing ring fixed on the inner wall of the furnace shell is arranged above the combustor, a water furnace is arranged on the bearing ring, a smoke treatment mechanism which is fixed on the furnace shell and extends out of the furnace shell is arranged between the water furnace and the burner, a ventilating plate fixed on the inner wall of the furnace shell is arranged above the water furnace, a steam discharge pipe with an electromagnetic valve a and fixed on the furnace shell and extending out of the furnace shell is arranged above the ventilating plate, and one side of the steam discharge pipe is provided with a water inlet pipe which is fixed on the furnace shell and extends out of the furnace shell and is provided with an electromagnetic valve b.
2. An energy saving and environmental friendly boiler according to claim 1, characterized in that: the furnace shell is provided with an ash discharge opening at the position of the ash discharge cavity, the ash discharge opening is provided with an ash discharge door with one end fixed with the other end hinged with the ash discharge opening through a lock catch, the furnace shell is provided with a feed inlet at the position of the fuel mixer, and the feed inlet is provided with a sealing door with one end fixed with the other end hinged with the feed inlet through a lock catch.
3. An energy-saving environment-friendly boiler as claimed in claim 1, wherein: the fuel mixer comprises an inverted T-shaped shell which is fixed on the furnace shell and is open at two ends, a mixing channel which is integrally formed with the inverted T-shaped shell is arranged inside the inverted T-shaped shell, a regulator is arranged inside the mixing channel, an air duct which extends to the inside of the inverted T-shaped shell is arranged at one end, located at the regulator, of the top of the inverted T-shaped shell, and the tail end of the air duct extends to the outside of the furnace shell and is connected with a pressurizing air blower.
4. An energy saving and environmental friendly boiler according to claim 3, characterized in that: the mixing channel comprises a dilatation channel which is fixed inside the T-shaped shell and is close to the feeding port, the tail end of the dilatation channel is connected with a shrinkage channel which is integrally formed with the dilatation channel through a connecting channel, and the tail end of the shrinkage channel is provided with an extension channel which is integrally formed with the shrinkage channel.
5. An energy saving and environmental friendly boiler according to claim 4, characterized in that: the regulator is including the plate body an that is fixed in the junction of interface channel and shrinkage cavity passageway, through-hole an has been seted up on the plate body a, and one side of plate body a is equipped with the plate body b that is fixed in on the interface channel, through-hole b has been seted up on the plate body b, be equipped with the removal ball sealer that is connected with plate body b through the spring between plate body a and the plate body b, the fixed stereoplasm connecting rod that is equipped with in top of removing the ball sealer, the end fixing of stereoplasm connecting rod is equipped with the soft control rod that extends to the stove outer shell, be equipped with on the stove outer shell with soft control rod matched with groove of stepping down.
6. An energy-saving and environment-friendly boiler according to claim 5, characterized in that: the air guide pipe comprises a pipe body a and a pipe body b with a pressure gauge, and the pipe body a and the pipe body b are connected through a diffuser pipe integrally formed with the pipe body a.
7. An energy saving and environmental friendly boiler according to claim 1, characterized in that: the top of the combustor is provided with a plurality of fire holes, and the bottom of the combustor is provided with a plurality of ash discharge grooves.
8. An energy-saving environment-friendly boiler as claimed in claim 1, wherein: the flue gas treatment mechanism is including being fixed in the pipe of discharging fume that has the filter screen on the stove outer covering, the tip of discharging fume the pipe is equipped with rather than integrated into one piece and have the digester that advances the tobacco pipe, the inside of digester is provided with the desulfurization sponge, one side of desulfurization sponge is equipped with the desulfurizer atomizer of installing in the digester inside, the top of desulfurizer atomizer is equipped with rather than being linked together and extends to the outside desulfurizer addition pipe of stove outer covering.
9. An energy saving and environmental friendly boiler according to claim 1, characterized in that: the electromagnetic valve a, the electromagnetic valve b and the pressurizing blower are all electrically connected with a controller, and a water level sensor electrically connected with the controller is arranged on the inner wall of the water furnace.
10. A combustion method of an energy-saving and environment-friendly boiler according to claims 1 to 9, characterized by comprising the steps of:
1) opening a sealing door, adding coal powder into a fuel mixer from a feed inlet, starting a pressurizing blower to enable the pressure in the fuel mixer to reach 1.1 atmosphere, fully mixing the coal powder and air in the fuel mixer, and preventing the coal powder from entering a combustor by a regulator;
2) after the coal powder is mixed, the pressurizing blower is closed, meanwhile, the pressure in the fuel mixer is relieved, the pressure in the fuel mixer is enabled to reach 0.9 atmospheric pressure, the regulator moves to the feed inlet, and meanwhile, the soft operating rod is driven by hands to move upwards along the abdicating groove;
3) and the pressurizing blower is started again, the pulverized coal in the pulverized coal mixer is blown into the combustor to be ignited and combusted, the electromagnetic valve a is opened to discharge steam for heat utilization after water in the water furnace is boiled, and the flue gas generated in the combustion process is discharged after being treated by the flue gas treatment mechanism, so that the pollution of the flue gas to the atmosphere is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110086046.XA CN114811556A (en) | 2021-01-22 | 2021-01-22 | Energy-saving and environment-friendly boiler and boiler combustion method |
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| Application Number | Priority Date | Filing Date | Title |
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| JPS63101603A (en) * | 1986-10-18 | 1988-05-06 | Babcock Hitachi Kk | Fine powder coal combustion method and apparatus therefor |
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