CN107314392B - Material sprayer for biomass bagasse combustion feeding - Google Patents
Material sprayer for biomass bagasse combustion feeding Download PDFInfo
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- CN107314392B CN107314392B CN201710566219.1A CN201710566219A CN107314392B CN 107314392 B CN107314392 B CN 107314392B CN 201710566219 A CN201710566219 A CN 201710566219A CN 107314392 B CN107314392 B CN 107314392B
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2203/00—Feeding arrangements
- F23K2203/20—Feeding/conveying devices
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention relates to the technical field of material feeders, and particularly discloses a sprayer for biomass bagasse combustion feeding, which comprises a shell, wherein the shell is provided with a feeding hole penetrating through the shell, two ends of the feeding hole are respectively provided with a feeding hole and a discharging hole, the shell is also provided with an air inlet hole communicated with the feeding hole, one end of the air inlet hole, far away from the feeding hole, is an air inlet, and one end of the air inlet hole, communicated with the feeding hole, is a communication hole; the shell is provided with a sandwich plate positioned in the feeding hole, the sandwich plate cuts off the communication between the feeding hole and the communication hole, and the air inlet hole is communicated with the discharge hole through a gap between the sandwich plate and the shell; during actual use, the biomass bagasse to be combusted is fed into the feeding hole through the feeding hole, external wind enters the shell through the air inlet hole, and the biomass bagasse in the feeding hole is sprayed into the boiler, so that the biomass bagasse is dispersed in the boiler, the biomass bagasse is prevented from being combusted in the boiler in a pile, the combustion efficiency of the biomass bagasse is improved, and the generation of nitrogen oxides is reduced.
Description
Technical Field
The invention relates to the technical field of material feeders, and particularly discloses a sprayer for burning and feeding biomass bagasse.
Background
The existing bagasse boiler stokehold feeding system is characterized in that the feeding is carried out through a push-pull type scraper device on a belt conveyor, after bagasse enters a feeder, the bagasse is conveyed into a hearth through a feeding nozzle of the feeder to burn, the traditional process is low in conveying efficiency, meanwhile, the bagasse is easy to be in a stacking state in the feeding nozzle of the feeder, the bagasse is caused to burn in the hearth under the stacking condition, the stacked bagasse cannot burn fully in the hearth, the burning efficiency of the hearth is greatly influenced, and because the bagasse cannot burn fully, the generation amount of nitrogen oxides in the burning process and the increase of fuel cost are increased while the thermal efficiency of the boiler are reduced.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the sprayer for burning and feeding the biomass bagasse, which is used for spraying the biomass bagasse in the feeding hole into the boiler, so that the biomass bagasse is dispersed in the boiler, the biomass bagasse is prevented from being piled into the boiler to burn, the burning efficiency of the biomass bagasse is improved, and the generation of nitrogen oxides is reduced.
In order to achieve the above purpose, the invention provides a sprayer for biomass bagasse combustion feeding, which comprises a shell, wherein the shell is provided with a feeding hole penetrating through the shell, two ends of the feeding hole are respectively provided with a feeding hole and a discharging hole, the shell is also provided with an air inlet hole communicated with the feeding hole, one end of the air inlet hole, far away from the feeding hole, is provided with an air inlet, and one end of the air inlet hole, communicated with the feeding hole, is provided with a communication hole; the shell is provided with a sandwich plate positioned in the feeding hole, the sandwich plate cuts off the communication between the feeding hole and the communication hole, and the air inlet hole is communicated with the discharge hole through a gap between the sandwich plate and the shell.
Preferably, the sandwich plate is obliquely arranged, and extends from the feeding port towards the direction close to the discharging port towards the direction gradually far away from the communicating port.
Preferably, an adjusting plate is rotatably connected to one end of the housing close to the discharge port, and the adjusting plate is used for guiding wind blown out after passing through the air inlet hole, the gap between the sandwich plate and the housing.
Preferably, the adjusting plate comprises a rotating shaft connected to the shell in a rotating way and an arc-shaped plate connected with the rotating shaft, the communication port is positioned between the feeding port and the arc-shaped plate, and the arc-shaped plate is formed by smoothly transiting from the side wall of the communication port to the direction away from the communication port and to the direction close to the sandwich plate.
Preferably, the rotating shaft is provided with a rotating plate, the shell is provided with a positioning plate, the rotating plate and the positioning plate are both positioned on the outer side of the shell, the positioning plate is provided with a plurality of positioning parts which are spaced from each other, and one end of the rotating plate, which is far away from the rotating shaft, is used for connecting one positioning part.
Preferably, a graphite sleeve is sleeved on the outer side of the rotating shaft, and two ends of the graphite sleeve are respectively abutted against the shell and the rotating plate.
Preferably, the positioning part is a positioning hole arranged on the positioning plate, and the plurality of positioning holes are annularly arranged around the central axis of the rotating shaft.
Preferably, the shell is provided with a baffle plate positioned in the feeding hole, the baffle plate is positioned between the feeding hole and the discharging hole, and the upper end and the lower end of the baffle plate are respectively connected with the side wall of the feeding hole and the sandwich plate.
Preferably, the striker plate comprises a first plate body and a second plate body, one end of the first plate body is connected with one end of the second plate body, and the other end of the first plate body and the other end of the second plate body extend in a direction away from each other from the feeding hole to the discharging hole.
Preferably, the central axis of the air inlet hole is crossed with the central axis of the feeding hole, and an included angle between the central axis of the air inlet hole and one end of the central axis of the feeding hole, which is close to the feeding port, is an acute angle.
Preferably, the shell is a metal alloy shell, and the metal alloy for the shell consists of the following components in percentage by weight: 16-18% of Cr, 5-8% of Ni, 2-3% of Si, 0.2-0.6% of Mn, 0.02-0.04% of Ti, 0.03-0.06% of Sc, 0.05-0.1% of Ce, 0.02-0.04% of Nb, 0.01-0.02% of Mo, 0.25-0.35% of Cu, 0.01-0.02% of P, 0.01-0.02% of S, 0.08-0.12% of N, 0.04-0.0.07% of C and the balance of Fe.
Preferably, the preparation method of the metal alloy for the shell comprises the following steps:
(1) Adding other components except Sc and Ce according to the proportion, smelting in a vacuum induction furnace, and adding a deoxidizer Ca accounting for 0.08-0.15% of the weight of the alloy melt to deoxidize the alloy melt after all the components are melted; deoxidizing, adding into the Sc and Ce alloy melt, and continuously stirring for 3-5min; standing for 2-4min, pouring the alloy melt into a casting mould to form an ingot, wherein the casting temperature is 1500-1600 ℃, and discharging the alloy ingot after the mould is cooled;
(2) Forging the alloy ingot discharged from the furnace at 1050-1150 ℃; then hot rolling the forged alloy ingot at 1050-1150 ℃ to roll the alloy ingot into an alloy plate;
(3) Placing the rolled alloy plate at 1000-1100 ℃ for 15-30min, then cooling to 850-950 ℃ at the speed of 110-130 ℃/h, and carrying out air cooling annealing after 15-30min of heat preservation;
(4) Cold rolling the annealed alloy plate, and then carrying out vacuum annealing at 800-900 ℃ for 30-45min; the cold rolling and vacuum annealing processes were repeated 2-3 times.
According to the invention, by using the raw material combinations of Cr, ni, mn, ti, sc, ce, nb and the like, the proportion of each component and the preparation process are reasonably designed, so that the manufactured metal alloy material for the shell can have excellent mechanical properties, high temperature resistance and corrosion resistance, can meet the performance requirements of biomass bagasse on a sprayer in the shell, has good smelting, cold working and welding properties, and is good in air tightness at a non-opening part of the shell, high in heat utilization efficiency, long in service life of the prepared shell and high in use safety coefficient when used for preparing the shell of the sprayer; the metal alloy material has fine crystal grains, and Sc and Ce are added between the deoxidizing process and the casting process, so that the loss of Sc and Ce is reduced, other impurities can be effectively desulfurized, deaerated and removed, the ductility, toughness, corrosion resistance and the like of the metal alloy material are improved, and the product quality is improved.
The invention has the beneficial effects that: during practical use, the biomass bagasse to be combusted is fed into the feeding hole through the feeding hole, external air enters the shell through the air inlet hole, the biomass bagasse in the feeding hole is sprayed into the boiler through the discharging hole, the biomass bagasse is in a scattered spraying state, the biomass bagasse is dispersed in the boiler, the biomass bagasse is fully combusted in the hearth of the boiler in a largest area layout, the biomass bagasse is prevented from being combusted in the boiler in a pile, the combustion efficiency of the biomass bagasse is improved, the generation of nitrogen oxides is reduced, the exhaust gas amount of the boiler is reduced, the generation of harmful gas is reduced, and the service life of the boiler tail gas treatment equipment is prolonged.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of another view of the present invention;
FIG. 3 is a schematic diagram of an exploded construction of the present invention;
FIG. 4 is a top view of the present invention;
fig. 5 is a cross-sectional view taken along a-a in fig. 4.
The reference numerals include:
1-shell 2-feeding hole 3-feeding mouth
4-discharge hole 5-air inlet 6-communication hole
7-sandwich plate 8-rotating shaft 9-arc plate
11-rotating plate 12-positioning plate 13-positioning part
14-graphite sleeve 15-fixing plate 16-compacting plate
17-striker plate 18-first plate 19-second plate.
Detailed Description
The present invention will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
Example 1
Referring to fig. 1 to 5, the sprayer for burning and feeding biomass bagasse according to the present invention includes a housing 1, wherein the housing 1 is provided with a feeding hole 2 penetrating through the housing 1, the feeding hole 2 penetrates through the housing 1 along a left-right direction, two ends of the feeding hole 2 are respectively provided with a feeding port 3 and a discharging port 4, the housing 1 is also provided with an air inlet 5 communicated with the feeding hole 2, one end of the air inlet 5 far away from the feeding hole 2 is an air inlet, and one end of the air inlet 5 communicated with the feeding hole 2 is a communication port 6; the shell 1 is provided with a sandwich plate 7 positioned in the feeding hole 2, the sandwich plate 7 cuts off the communication between the feeding hole 3 and the communication hole 6, and the air inlet 5 is communicated with the discharge hole 4 through a gap between the sandwich plate 7 and the shell 1.
In actual use, biomass bagasse to be combusted is fed into the feeding hole 2 through the feeding hole 3, external wind enters the shell 1 through the air inlet 5, preferably, the external wind is hot wind, the hot wind is used for drying moisture in the bagasse, and waste gas generated by boiler combustion is recycled into the feeding hole 2 for drying the biomass bagasse (reducing the moisture content in the bagasse), so that the recycling of the waste gas is realized; because the oxygen content in the boiler waste gas is very low, the oxygen content in the boiler furnace when the biomass bagasse is combusted is reduced after the boiler waste gas enters the boiler furnace along with the biomass bagasse, and the highest temperature reached when the biomass bagasse is combusted is reduced in an auxiliary manner, so that the generation of nitrogen oxides is reduced by utilizing a low-nitrogen combustion principle; wind entering into the shell 1 is blown out through a gap between the sandwich plate 7 and the side wall of the feeding hole 2, biomass bagasse in the feeding hole 2 is ejected through the discharging hole 4, the biomass bagasse ejected through the discharging hole 4 is ejected into an external boiler, and the biomass bagasse is in a scattered spraying state, so that the biomass bagasse is dispersed in the boiler, the bagasse is ensured to be fully combusted in a hearth of the boiler in a largest area layout, the biomass bagasse is prevented from being combusted in the boiler in a pile, the combustion efficiency of the biomass bagasse is improved, the generation of nitrogen oxides is reduced, the smoke amount exhausted by the boiler is reduced, the generation of harmful gases is reduced, and the service life of the boiler tail gas treatment equipment is prolonged.
The sandwich plate 7 is obliquely arranged, and extends from the feeding port 3 to a direction close to the discharging port 4, and the sandwich plate 7 extends to a direction gradually far away from the communicating port 6. Through the inclined arrangement of the sandwich plate 7, the caliber of the air outlet between the sandwich plate 7 and the shell 1 is increased, so that the sprayer can spray more biomass bagasse in unit time.
One end of the shell 1, which is close to the discharge hole 4, is rotatably connected with an adjusting plate, and the adjusting plate is used for guiding wind blown out after passing through gaps among the air inlet hole 5, the sandwich plate 7 and the shell 1. The biomass bagasse is blown upwards through the air inlet hole 5 and the air direction blown out after the gap between the sandwich plate 7 and the shell 1, and then the biomass bagasse is sprayed into the upper end of the boiler, so that the biomass bagasse can start to burn at the upper end of the boiler, the biomass bagasse can be continuously burned in the descending process of biomass, the combustion efficiency of the biomass bagasse is further improved in an auxiliary mode, and the biomass bagasse is prevented from being directly sprayed to the lower end of the boiler and cannot be fully burned.
The regulating plate comprises a rotating shaft 8 and an arc plate 9, wherein the rotating shaft 8 is connected to the lower end of the shell 1 in a rotating mode, the arc plate 9 is connected with the rotating shaft 8, the communication port 6 is located between the feeding port and the arc plate 9, and the arc plate 9 is formed by smoothly transiting from the side wall of the communication port 6 to the direction away from the communication port 6 and to the direction close to the sandwich plate 7. After external wind blows out through the gaps among the air inlet holes 5, the sandwich plate 7 and the shell 1, the external wind can be steadily blown out along the arc-shaped surface of the arc-shaped plate 9, the blown-out wind is prevented from abutting against the 'backflow' on the regulating plate, and meanwhile, the spraying arc length of biomass bagasse is effectively prolonged, so that the biomass bagasse is fully combusted in the boiler.
The rotating shaft 8 is provided with a rotating plate 11, the shell 1 is provided with a positioning plate 12, the rotating plate 11 and the positioning plate 12 are both positioned outside the shell 1, the positioning plate 12 is provided with a plurality of positioning parts 13 which are spaced from each other, and one end of the rotating plate 11 far away from the rotating shaft 8 is used for connecting one positioning part 13. According to actual needs, the user can selectively connect one end of the rotating plate 11 far away from the rotating shaft 8 with a certain positioning part 13, and then the spraying arc length of the biomass bagasse can be effectively adjusted.
The graphite sleeve 14 is sleeved on the outer side of the rotating shaft 8, and two ends of the graphite sleeve 14 are respectively abutted on the outer surface of the shell 1 and the outer surface of the rotating plate 11. By additionally arranging the graphite sleeve 14, the rotary plate 11 is prevented from being in direct contact with the shell 1, the self-lubricating characteristic of graphite is utilized, the abrasion between the rotary plate 11 and the shell 1 is reduced, and the service lives of the shell 1 and the rotary plate 11 are prolonged.
In this embodiment, two sides of the housing 1 are respectively provided with a fixing plate 15, the rotating shaft 8 is rotatably connected to the fixing plates 15 on two sides of the housing 1, the rotating plate 11 is installed at one end of the rotating shaft 8, the other end of the rotating shaft 8 is provided with a compacting plate 16, the number of graphite sleeves 14 is two, two ends of one graphite sleeve 14 are respectively abutted to the rotating plate 11 and one fixing plate 15, and two ends of the other graphite sleeve 14 are respectively abutted to the other fixing plate 15 and the compacting plate 16.
The positioning part 13 is a positioning hole formed in the positioning plate 12, and a plurality of positioning holes are annularly arranged around the central axis of the rotating shaft 8. During actual manufacturing, one end of the rotating plate 11 far away from the rotating shaft 8 is connected with a locking piece which is arranged in one positioning hole, a user can rotate the rotating plate 11 to rotate the arc plate 9 according to actual needs, so that the length of an arc line ejected by biomass bagasse through the arc plate 9 is adjusted, and after the arc plate 9 rotates to a preset position, the rotating plate 11 is locked on the positioning plate 12 by utilizing the matching of the locking piece and the corresponding one positioning hole.
The shell 1 is provided with a baffle plate 17 positioned in the feeding hole 2, the baffle plate 17 is positioned between the feeding hole and the discharging hole 4, and the upper end and the lower end of the baffle plate 17 are respectively connected with the side wall of the feeding hole 2 and the sandwich plate 7. By additionally arranging the baffle plate 17, the biomass bagasse can be better dispersed and enter the boiler, the biomass bagasse is further prevented from piling up and entering the boiler, and the combustion efficiency of the biomass bagasse is assisted to be improved.
The baffle 17 comprises a first plate body 18 and a second plate body 19, the baffle 17 is approximately V-shaped, one end of the first plate body 18 is connected with one end of the second plate body 19, and the other end of the first plate body 18 and the other end of the second plate body 19 extend in a direction away from each other from the feeding port 3 to the discharging port 4. During actual use, the biomass bagasse in the feeding hole 2 is dispersed along the outer surfaces of the first plate 18 and the second plate 19, which are far away from each other, so that the dispersion effect of the biomass bagasse is further improved, and the combustion efficiency of the biomass bagasse is improved.
The central axis of the air inlet hole 5 is crossed with the central axis of the feeding hole 2, and an included angle between the central axis of the air inlet hole 5 and one end, close to the feeding port 3, of the central axis of the feeding hole 2 is an acute angle. When external wind enters a gap between the sandwich plate 7 and the shell 1 through the air inlet 5, the external wind can be sprayed out from the discharge port 4 easily under the inertia effect, so that the air outlet efficiency is improved, and the discharge efficiency of the sprayer is further improved.
The sprayer for biomass bagasse combustion feeding has the following advantages:
1. the baffle 17 can better disperse the biomass bagasse into the hearth by dividing the inclined angle into two.
2. The bottom of the shell 1 is added with the sandwich plate 7, the air flow sprayed out from the air inlet hole 5 between the sandwich plate 7 and the shell 1 and the biomass bagasse form a combination effect well, the humidity of the biomass bagasse is reduced, the biomass bagasse is not allowed to fall down to a combustion state in a hearth of the boiler, the biomass bagasse is effectively in semi-empty combustion, and the waste gas generated by the combustion of the boiler is recycled into the feeding port 3 for drying the biomass bagasse, so that the recycling of the waste gas is realized; because the oxygen content in the boiler waste gas is very low, the boiler waste gas enters the hearth of the boiler along with the biomass bagasse, the oxygen content during combustion of the biomass bagasse is reduced, the highest temperature reached during combustion of the biomass bagasse is reduced in an auxiliary mode, and therefore the low-nitrogen combustion principle is utilized to reduce the generation of nitrogen oxides.
3. The discharge hole 4 is an adjustable arc plate 9 and is matched with air flow sprayed between the sandwich plate 7 and the shell 1, so that the spraying arc length of biomass bagasse is controlled more effectively, and the whole boiler is fully combusted; the boiler feeding nozzle in the prior art lacks the function of adjusting the length of the spraying arc line, can only enable bagasse to locally burn at the bottom of a hearth of the boiler, greatly reduces combustion efficiency, increases the generation of nitrogen oxides, has large exhaust smoke quantity, and prolongs the service life of tail gas treatment equipment of the boiler.
3. The discharge hole 4 is an adjustable arc plate 9 and is matched with air flow sprayed between the sandwich plate 7 and the shell 1, so that the spraying arc length of biomass bagasse is controlled more effectively, and the whole boiler is fully combusted; the boiler feeding nozzle in the prior art lacks the function of adjusting the length of the spraying arc line, can only enable bagasse to locally burn at the bottom of a hearth of the boiler, greatly reduces combustion efficiency, increases the generation of nitrogen oxides, has large exhaust smoke quantity, and prolongs the service life of tail gas treatment equipment of the boiler.
Example 2
In this embodiment, preferably, the housing 1 is a metal alloy housing, and the metal alloy for the housing is composed of the following components in percentage by weight: 16% of Cr, 8% of Ni, 2% of Si, 0.6% of Mn, 0.02% of Ti, 0.03% of Sc, 0.1% of Ce, 0.02% of Nb, 0.02% of Mo, 0.25% of Cu, 0.02% of P, 0.01% of S, 0.12% of N, 0.04% of C and the balance of Fe.
Preferably, the preparation method of the metal alloy for the shell comprises the following steps:
(1) Adding other components except Sc and Ce according to the proportion, smelting in a vacuum induction furnace, and adding a deoxidizer Ca accounting for 0.08 percent of the weight of the alloy melt to deoxidize the alloy melt after all the components are melted; adding the deoxidized solution into the Sc and Ce alloy solution, and continuously stirring for 3min; standing for 2min, pouring the alloy melt into a casting mold to form an ingot, wherein the casting temperature is 1500 ℃, and discharging the alloy ingot after the mold is cooled;
(2) Forging the alloy ingot discharged from the furnace at 1050 ℃; then hot rolling the forged alloy ingot at 1050 ℃ to roll the alloy ingot into an alloy plate;
(3) Placing the rolled alloy plate at 1000 ℃ for heat preservation for 30min, then cooling to 850 ℃ at the speed of 110 ℃/h, and performing air cooling annealing after heat preservation for 15 min;
(4) Cold rolling the annealed alloy plate, and then carrying out vacuum annealing at 800 ℃ for 30min; the cold rolling and vacuum annealing processes were repeated 2 times.
Other contents of this embodiment are the same as those of embodiment 1, and will not be described here again.
Example 3
In this embodiment, the housing 1 is a metal alloy housing, and the metal alloy for the housing is composed of the following components in percentage by weight: 18% of Cr, 5% of Ni, 3% of Si, 0.2% of Mn, 0.04% of Ti, 0.06% of Sc, 0.05% of Ce, 0.04% of Nb, 0.01% of Mo, 0.35% of Cu, 0.01% of P, 0.02% of S, 0.08-0.12% of N, 0.0.07% of C and the balance of Fe.
Preferably, the preparation method of the metal alloy for the shell comprises the following steps:
(1) Adding other components except Sc and Ce according to the proportion, smelting in a vacuum induction furnace, and adding a deoxidizer Ca accounting for 0.15% of the weight of the alloy melt to deoxidize the alloy melt after all the components are melted; adding the deoxidized solution into the Sc and Ce alloy solution, and continuously stirring for 5min; standing for 4min, pouring the alloy melt into a casting mold to form an ingot, wherein the casting temperature is 1600 ℃, and discharging the alloy ingot after the mold is cooled;
(2) Forging the alloy ingot discharged from the furnace at 1150 ℃; then hot rolling the forged alloy ingot at 1150 ℃ to roll the alloy ingot into an alloy plate;
(3) Placing the rolled alloy plate at 1100 ℃ for 15min, then cooling to 950 ℃ at the speed of 130 ℃/h, and performing air cooling annealing after heat preservation for 30min;
(4) Cold rolling the annealed alloy plate, and then carrying out vacuum annealing at 900 ℃ for 45min; the cold rolling and vacuum annealing processes were repeated 3 times.
Other contents of this embodiment are the same as those of embodiment 1, and will not be described here again.
Example 4
In this embodiment, the housing 1 is a metal alloy housing, and the metal alloy for the housing is composed of the following components in percentage by weight: 17% of Cr, 6% of Ni, 2.5% of Si, 0.5% of Mn, 0.03% of Ti, 0.04% of Sc, 0.07% of Ce, 0.03% of Nb, 0.05% of Mo, 0.3% of Cu, 0.015% of P, 0.015% of S, 0.08-0.12% of N, 0.06% of C and the balance of Fe.
Preferably, the preparation method of the metal alloy for the shell comprises the following steps:
(1) Adding other components except Sc and Ce according to the proportion, smelting in a vacuum induction furnace, and adding a deoxidizer Ca accounting for 0.1% of the weight of the alloy melt to deoxidize the alloy melt after all the components are melted; adding the deoxidized solution into the Sc and Ce alloy solution, and continuously stirring for 4min; standing for 3min, pouring the alloy melt into a casting mold to form an ingot, wherein the casting temperature is 1550 ℃, and discharging the alloy ingot after the mold is cooled;
(2) Forging the alloy ingot discharged from the furnace at 1100 ℃; then hot rolling the forged alloy ingot at 1100 ℃ to roll the alloy ingot into an alloy plate;
(3) Placing the rolled alloy plate at 1050 ℃ for heat preservation for 20min, then cooling to 900 ℃ at the speed of 120 ℃/h, and performing air cooling annealing after heat preservation for 25 min;
(4) Cold rolling the annealed alloy plate, and then carrying out vacuum annealing at 850 ℃ for 35min; the cold rolling and vacuum annealing processes were repeated 22 times.
Other contents of this embodiment are the same as those of embodiment 1, and will not be described here again.
The metal alloy material for the shell of the embodiments 2-4 has good plasticity and ductility at the temperature of 800-1250 ℃, and is easy to forge, roll and form; the tensile strength reaches more than 220MPa at 800 ℃; the alloy plate is prepared into an alloy plate with the thickness of 20 multiplied by 50 multiplied by 1000mm and is placed at the boiling temperature of 5 weight percent of H 2 In SO4 aqueous solution, the corrosion rate is less than 10g/m 2 h. The metal alloy material for the shell has excellent mechanical properties, high temperature resistance and corrosion resistance, and can meet the high performance requirement of biomass combustion in the shell on a sprayer.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (7)
1. The utility model provides a spout glassware for living beings bagasse burning pay-off, includes the casing, and the casing is equipped with the pay-off hole that runs through the casing, and the both ends of pay-off hole are pay-off mouth and discharge gate respectively, and the casing still is equipped with the fresh air inlet that communicates with the pay-off hole, and the one end that the fresh air inlet kept away from the pay-off hole is the air intake, and the one end that the fresh air inlet communicates with the pay-off hole is the intercommunication mouth; the method is characterized in that: the shell is provided with a sandwich plate positioned in the feeding hole, the sandwich plate cuts off the communication between the feeding hole and the communication hole, and the air inlet hole is communicated with the discharge hole through a gap between the sandwich plate and the shell; the sandwich plate is obliquely arranged, extends from the feeding port to the direction close to the discharging port, and extends to the direction gradually far away from the communicating port;
one end of the shell, which is close to the discharge hole, is rotationally connected with an adjusting plate, and the adjusting plate is used for guiding wind blown out after passing through the air inlet hole, the gap between the sandwich plate and the shell;
the regulating plate comprises a rotating shaft connected to the shell in a rotating way and an arc-shaped plate connected with the rotating shaft, the communication port is positioned between the feeding port and the arc-shaped plate, and the arc-shaped plate is formed by smoothly transiting from the side wall of the communication port to the direction away from the communication port and to the direction close to the sandwich plate.
2. The sprayer for biomass bagasse combustion feed of claim 1, wherein: the rotating shaft is provided with a rotating plate, the shell is provided with a positioning plate, the rotating plate and the positioning plate are both positioned on the outer side of the shell, the positioning plate is provided with a plurality of positioning parts which are spaced from each other, and one end of the rotating plate, which is far away from the rotating shaft, is used for connecting one positioning part.
3. The sprayer for biomass bagasse combustion feed of claim 2, wherein: the outside cover of pivot is equipped with the graphite cover, and the both ends of graphite cover butt casing and revolving plate respectively.
4. The sprayer for biomass bagasse combustion feed of claim 2, wherein: the locating part is a locating hole arranged on the locating plate, and a plurality of locating holes are arranged in an annular mode around the central axis of the rotating shaft.
5. The sprayer for biomass bagasse combustion feed of claim 1, wherein: the shell is provided with a baffle plate positioned in the feeding hole, the baffle plate is positioned between the feeding hole and the discharging hole, and the upper end and the lower end of the baffle plate are respectively connected with the side wall of the feeding hole and the sandwich plate.
6. The sprayer for biomass bagasse combustion feed of claim 5, wherein: the striker plate comprises a first plate body and a second plate body, one end of the first plate body is connected with one end of the second plate body, and the other end of the first plate body and the other end of the second plate body extend in a direction away from each other from the feeding hole to the discharging hole.
7. The sprayer for biomass bagasse combustion feed of claim 1, wherein: the central axis of the air inlet hole is crossed with the central axis of the feeding hole, and an included angle between the central axis of the air inlet hole and one end, close to the feeding port, of the central axis of the feeding hole is an acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566219.1A CN107314392B (en) | 2017-07-12 | 2017-07-12 | Material sprayer for biomass bagasse combustion feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566219.1A CN107314392B (en) | 2017-07-12 | 2017-07-12 | Material sprayer for biomass bagasse combustion feeding |
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| Publication Number | Publication Date |
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| CN107314392A CN107314392A (en) | 2017-11-03 |
| CN107314392B true CN107314392B (en) | 2023-08-29 |
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| CN201710566219.1A Active CN107314392B (en) | 2017-07-12 | 2017-07-12 | Material sprayer for biomass bagasse combustion feeding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03156205A (en) * | 1989-11-10 | 1991-07-04 | Toshiba Corp | Combustion device |
| CN1945122A (en) * | 2006-09-26 | 2007-04-11 | 上海四方锅炉厂 | Feeding inlet structure for biomass energy fuel boiler |
| WO2007068149A1 (en) * | 2005-12-15 | 2007-06-21 | Fuchang Shen | Whole set incinerator for danger waste |
| CN201819237U (en) * | 2010-09-26 | 2011-05-04 | 广西西江锅炉制造有限公司 | Device for feeding bagasse into boiler |
| CN202494125U (en) * | 2012-02-21 | 2012-10-17 | 山东开泰工业科技有限公司 | Biomass power generation feeding device |
| CN103968370A (en) * | 2014-05-27 | 2014-08-06 | 山西灵英生物质能源开发有限公司 | Burner |
| CN204388107U (en) * | 2015-01-12 | 2015-06-10 | 温州安信科技有限公司 | A kind of biomass combustion furnace |
| CN207019094U (en) * | 2017-07-12 | 2018-02-16 | 广东粤威环境技术有限公司 | A kind of jet feeder for the burning feeding of biomass bagasse |
-
2017
- 2017-07-12 CN CN201710566219.1A patent/CN107314392B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03156205A (en) * | 1989-11-10 | 1991-07-04 | Toshiba Corp | Combustion device |
| WO2007068149A1 (en) * | 2005-12-15 | 2007-06-21 | Fuchang Shen | Whole set incinerator for danger waste |
| CN1945122A (en) * | 2006-09-26 | 2007-04-11 | 上海四方锅炉厂 | Feeding inlet structure for biomass energy fuel boiler |
| CN201819237U (en) * | 2010-09-26 | 2011-05-04 | 广西西江锅炉制造有限公司 | Device for feeding bagasse into boiler |
| CN202494125U (en) * | 2012-02-21 | 2012-10-17 | 山东开泰工业科技有限公司 | Biomass power generation feeding device |
| CN103968370A (en) * | 2014-05-27 | 2014-08-06 | 山西灵英生物质能源开发有限公司 | Burner |
| CN204388107U (en) * | 2015-01-12 | 2015-06-10 | 温州安信科技有限公司 | A kind of biomass combustion furnace |
| CN207019094U (en) * | 2017-07-12 | 2018-02-16 | 广东粤威环境技术有限公司 | A kind of jet feeder for the burning feeding of biomass bagasse |
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|---|---|
| CN107314392A (en) | 2017-11-03 |
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