CN105674258A - Combustion system - Google Patents
Combustion system Download PDFInfo
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- CN105674258A CN105674258A CN201610193101.4A CN201610193101A CN105674258A CN 105674258 A CN105674258 A CN 105674258A CN 201610193101 A CN201610193101 A CN 201610193101A CN 105674258 A CN105674258 A CN 105674258A
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- Prior art keywords
- air
- combustion
- burner
- supporting
- firing system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
- F23D1/02—Vortex burners, e.g. for cyclone-type combustion apparatus
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention provides a combustion system. The combustion system comprises a burner. A combustion cavity is formed in the burner. The burner is provided with at least two heat-preservation layers. Air inlet holes penetrating through the heat-preservation layers are formed in the circumferential direction of the lateral wall of the burner and communicate with the combustion cavity. The semi-coke powder burner high in combustion efficiency is provided, and an effective way is provided for utilization of semi-coke powder.
Description
Technical field
The present invention relates to semi-coke powder field of combustion technology, specifically, it relates to a kind of firing system.
Background technology
The basic characteristics of china natural resources natural endowment are " relative rich coal, scarce oil, weak breaths ", and this can hinder the fast development of the economy of China, and oil and petroleum chemicals import increase severely, and have highlighted the problem of energy strategy safety. For this problem, country supports energetically, encourage growth Modern Coal clean utilization, and just comprises the industry policy such as " coal upgrading and comprehensive utilization of resources " and " for brown coal, inferior coal staged conversion, comprehensive utilization " in " clean coal technology scientific development " the 12 " ad hoc planning " of country's encourage growth.
Currently, the development of Coal at Low Temperature destructive distillation industry is more and more faster, and coal can produce tar, coal gas and semicoke in low-temperature pyrolysis process, and semicoke output increases year by year, is badly in need of making full use of. The advantages such as semicoke has calorific value height, difficult volatilization, ash content is low, sulphur is low and phosphorus is low, can replace coal, Sweet natural gas or oil to use as fuel.
Usually burn again after semicoke being made into semi-coke powder, and semi-coke powder burner rarely has report, in the prior art, semi-coke powder is burnt by main use coal burner, adopting coal burner burning semi-coke powder, to there is efficiency of combustion low, and thermo-efficiency is low and the shortcoming such as unburned carbon in flue dust height.
Summary of the invention
The main purpose of the present invention is to provide a kind of firing system, to solve the problem that in prior art, semi-coke powder efficiency of combustion is low.
In order to realize above-mentioned purpose, the present invention provides a kind of firing system, and firing system comprises: burner, the inside of burner has burning chamber, burner has at least two layers of thermal insulation layer, and the circumference of the sidewall of burner is provided with the intake opening of through thermal insulation layer, and intake opening is connected with burning chamber.
Further, firing system also comprises: blast chamber, forms air blast chamber between the outside wall surface of the sidewall of blast chamber and burner, and air blast chamber is connected with burning chamber by the intake opening of burner; For the air supplying part for wind, air supplying part is connected with blast chamber.
Further, firing system also comprises: material feeder, and the inside of material feeder is formed to material air channel, is connected to the blast inlet in material air channel with air supplying part, is connected to the air port that in material air channel with burning chamber; Combustion-supporting, combustion-supporting is set in the outside of material feeder, forms combustion-supporting air channel between combustion-supporting and the outer wall of material feeder, and the air port that goes out in combustion-supporting air channel is connected with burning chamber, and air supplying part is connected with combustion-supporting air channel.
Further, material feeder is structure cylindrically, and air supplying part comprises the first air supply duct, and the first air supply duct is connected with the blast inlet to material air channel in the tangent line direction in material air channel along giving.
Further, combustion-supporting is structure cylindrically, and air supplying part comprises the 2nd air supply duct, and the 2nd air supply duct is connected along the tangent line direction in combustion-supporting air channel and the blast inlet in combustion-supporting air channel.
Further, it is provided with inducer to the air port place that goes out air port and combustion-supporting air channel in material air channel.
Further, material feeder has portfire, being positioned at least partially to material air channel of portfire.
Further, air supplying part also comprises multiple air source apparatus and multiple volume adjusting apparatus, first air supply duct is provided with a volume adjusting apparatus, an air source apparatus is arranged on one end away from material feeder of the first air supply duct, being provided with another volume adjusting apparatus on 2nd air supply duct, another air source apparatus is arranged on one end away from combustion-supporting of the 2nd air supply duct.
Further, firing system also comprises feeder, and feeder is connected in material air channel with giving.
Further, feeder is connected with the first air supply duct and forms three-port structure, and three-port structure is between air source apparatus and material feeder.
Further, feeder comprises the feed bin, the blanking device that connect in turn and has the pipe connecting of gauger, and pipe connecting is connected with the first air supply duct.
Further, burner is structure cylindrically, and burning chamber comprises the footpath section and shrink section such as what the axis along burning chamber was connected in turn, shrink the cavity cross-section of section long-pending along away from waiting direction of footpath section to reduce gradually, the sidewall of burner contraction section away from etc. the side of footpath section be reserved with material outlet.
Further, burner is structure cylindrically, has angle between the bearing of trend of the intake opening of burner and the radial direction of burning chamber.
Further, angle is more than or equal to 5 degree and be less than 30 degree.
The technical scheme of application the present invention, arranges burning chamber by the inside at burner, thus makes semi-coke powder carry out fully burning in closed space. Burner has at least two layers of thermal insulation layer, and like this, what be possible not only to prevent in burning chamber heat scatters and disappears, and makes the temperature that semi-coke powder burn remain on a higher value, it is also possible to guarantee the intensity of burner, the security of guarantee burner in working process. Owing to the circumference of the sidewall of burner is provided with the intake opening of through thermal insulation layer, intake opening is connected with burning chamber, thus burner is in working process, effectively can lead to into quantitative air quantity to the different zones in burning chamber by intake opening, for semi-coke powder provides required amount of oxygen in combustion, improve the efficiency of semi-coke powder burning, ensure that the high efficiency that firing system works.
Accompanying drawing explanation
The Figure of description of the part forming the application is used to provide a further understanding of the present invention, and the schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 shows the structural representation of the firing system according to an optional embodiment of the present invention.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, burner; 11, burning chamber; 111, the footpath section such as; 112, section is shunk; 12, intake opening; 20, air supplying part; 21, the first air supply duct; 22, the 2nd air supply duct; 23, the 3rd air supply duct; 24, air source apparatus;25, volume adjusting apparatus; 30, material feeder; 31, material air channel is given; 32, portfire; 40, combustion-supporting; 41, combustion-supporting air channel; 50, blast chamber; 60, inducer; 70, feeder; 71, feed bin; 72, blanking device; 73, gauger.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually. Below with reference to the accompanying drawings and come the present invention is described in detail in conjunction with the embodiments.
It should be appreciated that following explanation in detail is all exemplary, it is intended to provide further instruction to the application. Unless otherwise, all technology used herein and scientific terminology has with the application person of an ordinary skill in the technical field understands usually identical meanings.
In the present invention, when not doing contrary explanation, it may also be useful to the noun of locality if " upper and lower " is normally for direction shown in the drawings, or for vertically, on vertical or gravity direction; Equally, for ease of understanding and describe, it is inside and outside that " inside and outside " refers to relative to the profile of each parts itself, but the above-mentioned noun of locality is not limited to the present invention.
In order to solve the low problem of semi-coke powder efficiency of combustion of the prior art, the present invention provides a kind of firing system.
As shown in Figure 1, for the structural representation of the firing system of a kind of optional embodiment, firing system comprises burner 10, the inside of burner 10 has burning chamber 11, burner 10 has at least two layers of thermal insulation layer, the circumference of the sidewall of burner 10 is provided with the intake opening 12 of through thermal insulation layer, and intake opening 12 is connected with burning chamber 11.
By arranging burning chamber 11 in the inside of burner 10, thus semi-coke powder is made to carry out fully burning in closed space. Burner 10 has at least two layers of thermal insulation layer, like this, what be possible not only to prevent in burning chamber 11 heat scatters and disappears, and ensures that the temperature of semi-coke powder burning remains on a higher value, the intensity of burner 10 can also be guaranteed, ensure the security of burner 10 in working process. Owing to the circumference of the sidewall of burner 10 is provided with the intake opening 12 of through thermal insulation layer, intake opening 12 is connected with burning chamber 11, thus burner 10 is in working process, effectively can lead to into quantitative air quantity to the different zones in burning chamber 11 by intake opening 12, for semi-coke powder provides required amount of oxygen in combustion, improve the efficiency of semi-coke powder burning, ensure that the high efficiency that firing system works.
Can selection of land, the agent structure of burner 10 is made by steel plate. Above-mentioned thermal insulation layer is attached to the inner side of steel plate. Outer thermal insulation layer at least two layers of thermal insulation layer is made by aluminosilicate fiber cotton, tapetum fibrosum or fibrefelt, and internal layer thermal insulation layer is that refractory casting material is made.
Can selection of land, burner 10 cylindrically structure, and burning chamber 11 comprises the footpath section 111 and shrink section 112 such as what the axis along burning chamber 11 was connected in turn, shrink the cavity cross-section of section 112 long-pending along away from etc. the direction of footpath section 111 reduce gradually, the sidewall of burner 10 shrink section 112 away from etc. the side of footpath section 111 be reserved with material outlet, material outlet and boiler, hotblast stove or heat-exchanger rig connect. Arrange like this, the flame in burning chamber 11 can being made to increase in contraction section 112 speed, can ensure accumulation of heat in burning chamber 11 simultaneously, the temperature ensureing stove burning chamber 11 is within the specific limits, the generation of circuit fire phenomenon can be avoided, it is to increase the stability of firing system work.
Can selection of land, intake opening 12 can be arranged on burning chamber 11 etc. footpath section 111 and/or shrink section 112.
In the embodiment shown in Fig. 1, intake opening 12 is arranged on etc. in footpath section 111. Like this so that intake opening 12 has the advantages that to be convenient to processing.
Can selection of land, burner 10 cylindrically structure, has angle between the bearing of trend of the intake opening 12 of burner 10 and the radial direction of burning chamber 11, and angle is more than or equal to 5 degree and be less than 30 degree (not shown). Like this, can ensure that combustion-supporting wind tangentially enters burning chamber 11 along burning chamber 11, in the flowing that rotates in a circumferential direction of burning chamber 11, the combustion-supporting wind is made fully to be transported to each corner of burning chamber 11, it is to increase the temperature in burning chamber 11, it is ensured that semi-coke powder Thorough combustion, and the semicoke slag of not clean-burning semi-coke powder or deposition can be blown afloat and again burn, ash, slag after can also being burnt by semi-coke powder be taken away, and ensure in burning chamber 11 not accumulated slag, long-pending ash.
Can selection of land, intake opening 12 closes along the sidewall circumference of burner 10 and arranges in ring shape, and the axial direction due along burner 10 is provided with 6 circles altogether, often circle have and have 4 × N number of intake opening 12 (N be more than or equal to 1 integer).
As shown in Figure 1, firing system also comprises blast chamber 50 and for the air supplying part 20 for wind, forms air blast chamber between the outside wall surface of the sidewall of blast chamber 50 and burner 10, and air blast chamber is connected with burning chamber 11 by the intake opening 12 of burner 10; Air supplying part 20 is connected with blast chamber 50. Like this, first blowing by air supplying part 20, it is inner to enter blast chamber 50, air quantity can be divided evenly in blast chamber 50, the inside of burning chamber 11 is entered into afterwards again by intake opening 12, ensure that the air output of each intake opening 12 is even, ensure that burning chamber 11 amount of oxygen is sufficient, it is ensured that the reliability that firing system is run.
As shown in Figure 1, firing system also comprises the air supplying part 20 for supplying wind, material feeder 30 and combustion-supporting 40, and the inside of material feeder 30 is formed to material air channel 31, is connected with air supplying part 20 to the blast inlet in material air channel 31, gives and expect that the air port that in air channel 31 is connected with burning chamber 11; Combustion-supporting 40 is set in the outside of material feeder 30, forms combustion-supporting air channel 41 between the outer wall of combustion-supporting 40 and material feeder 30, and the air port that goes out in combustion-supporting air channel 41 is connected with burning chamber 11, and air supplying part 20 is connected with combustion-supporting air channel 41.
Owing to being connected to the blast inlet in material air channel 31 with air supplying part 20, it is connected to the air port that in material air channel 31 with burning chamber 11, can ensure that semi-coke powder is under the effect of air supplying part 20, it is admitted to material air channel 31 inner smoothly, and by finally entering in burning chamber 11 to material air channel 31, semi-coke powder is constantly fed, thus the supply enabling semi-coke powder obtain continuing enters burning chamber 11 and makes have semi-coke powder to be in state of combustion in burning chamber 11 all the time, ensure that the temperature in burning chamber 11, it is to increase the stability of firing system.
Owing to combustion-supporting 40 is set in the outside of material feeder 30, forming combustion-supporting air channel 41 between the outer wall of combustion-supporting 40 and material feeder 30, the air port that goes out in combustion-supporting air channel 41 is connected with burning chamber 11, and air supplying part 20 is connected with combustion-supporting air channel 41. Like this, semi-coke powder is when entering burning chamber 11 of self-sufficiency material air channel 31, by the combustion-supporting wind from combustion-supporting air channel 41, semi-coke powder can be made to be blown loose fully and enter burning chamber 11, accelerate the burning of semi-coke powder, further increase the efficiency of combustion of semi-coke powder, can also ensure that semi-coke powder is not going out the accumulation of air port place to material air channel 31 simultaneously, and cause to the blocking in material air channel 31, ensure that the reliability that firing system is run.
Can selection of land, material feeder 30 and combustion-supporting 40 cylindrically structure.
Can selection of land, material feeder 30 is multiple, and the installation position of material feeder 30 is on the material inlet end of burning chamber 11 and/or the circumferential side wall of burner 10.
In the embodiment shown in Fig. 1, material feeder 30 is arranged on the material inlet end place of burning chamber 11.
As shown in Figure 1, air supplying part 20 comprises the first air supply duct 21 and the 2nd air supply duct 22.
Can selection of land, the first air supply duct 21 along give material air channel 31 tangent line direction with give expect air channel 31 blast inlet be connected, the 2nd air supply duct 22 is connected along the tangent line direction in combustion-supporting air channel 41 and the blast inlet in combustion-supporting air channel 41. Like this, when air supplying part 20 air-supply enters to material air channel 31 and combustion-supporting air channel 41, wind can accelerate along producing eddy flow to the tangent line direction in material air channel 31 and combustion-supporting air channel 41, it is accelerated to the semi-coke powder in material air channel 31 and delivers into burning chamber 11, guarantee that semi-coke powder is constantly fed, it is to increase the efficiency of combustion of semi-coke powder; Make combustion-supporting wind accelerate to enter burning chamber 11, it is to increase to the combustion-supporting efficiency of semi-coke powder burning simultaneously.
Can selection of land, give material air channel 31 the air port place that goes out going out air port and combustion-supporting air channel 41 be provided with inducer 60. Like this, wind can be made to be accelerated by two times when entering burning chamber 11 to material air channel 31 and combustion-supporting air channel 41, and the air intake direction in burning chamber 11 can be changed, turn into the axial wind entering burning chamber 11 further improve the efficiency of combustion of semi-coke powder and the combustion-supporting efficiency of combustion-supporting 40 along the tangential tangential wind of burning chamber 11.
As shown in Figure 1, material feeder 30 also has portfire 32, being positioned at least partially to material air channel 31 of portfire 32. Like this, it is possible to guaranteeing saving under the prerequisite taking space, the semi-coke powder of burning chamber 11 inside is lighted smoothly.
Can selection of land, portfire 32 is burning torch, and the input terminus of burning torch is connected with fuel feeding or air feeder output terminal, and the output terminal of burning torch is connected with the material inlet end of burning chamber 11.
As shown in Figure 1, air supplying part 20 also comprises the 3rd air supply duct 23, multiple air source apparatus 24 and multiple volume adjusting apparatus 25, first air supply duct 21 is provided with a volume adjusting apparatus 25, an air source apparatus 24 is arranged on one end away from material feeder 30 of the first air supply duct 21, being provided with another volume adjusting apparatus 25 on 2nd air supply duct 22, another air source apparatus 24 is arranged on one end away from combustion-supporting 40 of the 2nd air supply duct 22.
Owing to air source apparatus 24 is connected by the 3rd air supply duct 23 with blast chamber 50, it is ensured that blast chamber 50 internal stability blown. Air quantity in first air supply duct 21, the 2nd air supply duct 22 and the 3rd air supply duct 23 can be regulated by volume adjusting apparatus 25 owing to arranging, can control to enter the accurate control of air quantity to the semi-coke powder amount in material air channel 31, guarantee can not due to semi-coke powder enter the amount in burning chamber 11 excessive and cause semi-coke powder burning insufficient, but also combustion air volume can be regulated according to the semi-coke powder amount entered in burning chamber 11, guarantee semi-coke powder sufficient combustion, it is to increase the efficiency of combustion of semi-coke powder.
As shown in Figure 1, firing system also comprises feeder 70, and feeder 70 is connected in material air channel 31 with giving.
Can selection of land, feeder 70 is connected with the first air supply duct 21 and forms three-port structure, and three-port structure is between air source apparatus 24 and material feeder 30. Like this, it is ensured that semi-coke powder is sent in the first air supply duct 21 by stable, and be conveyed into material air channel 31 inner smoothly by wind.
Can selection of land, feeder 70 comprises the feed bin 71, the blanking device 72 that connect in turn and has the pipe connecting of gauger 73, and pipe connecting is connected with the first air supply duct 21. Like this, it is possible to accurately control enters the amount of the semi-coke powder of the first air supply duct 21 and enters to the semi-coke powder amount in material air channel 31.
Specifically, the feed opening of feed bin 71 is connected with the import of blanking device 72, and the outlet of blanking device 72 is connected with the import of gauger 73, and the outlet of gauger 73 is connected with the first air supply duct 21 by pipe connecting.
Can selection of land, gauger 73 is the scale of rotor scale or other structures.
Can selection of land, air source apparatus 24 is roots blower or centrifugal high pressure fan.
In a not shown optional embodiment, in described burner 10, online thermometer is set, for monitoring the temperature of burning chamber 11 inside.
Can selection of land, described online temperature counts 2.
In a not shown optional embodiment, firing system also comprises electrical control system, the manual pattern of electrical control system or automatic mode, manual pattern realizes the artificial manual setting to electrical instruments all in firing system, and automatic mode can realize automatically being adjusted according to test volume by electrical instruments all in firing system.
Describe the principle of work of above-mentioned firing system below:
Semi-coke powder enter blanking device 72 by feed bin 71 and through the metering of gauger 73 and enter the first air supply duct 21 by the outlet of gauger 73 by pipe connecting after adjusting the intake of semi-coke powder, after the defeated powder wind that semi-coke powder provides with air source apparatus 24 fully mixes in the first air supply duct 21, semi-coke powder is transported to the ingress of material feeder 30 and enters to material air channel 31, along with defeated powder wind, along giving, the tangential swirl acceleration in material air channel 31 enters semi-coke powder to material air channel 31, semi-coke powder at the near exit of material feeder 30 under the effect of inducer 60, swirl flow accelerate after air source apparatus 24 be supplied to combustion-supporting 40 combustion-supporting wind effect under at a high speed spray in burning chamber 11, semi-coke powder ignites under companion's burning effect of portfire 32, open the air source apparatus 24 being connected with combustion-supporting 40 gradually, make semi-coke powder Thorough combustion.
Meanwhile, the combustion-supporting wind entering blast chamber 50 along the 3rd air supply duct 23 provided by air source apparatus 24 enters burning chamber 11 by the sidewall of burner 10, form Whirl deposite tank, fully mix rapidly with burning chamber 11 flame, the semi-coke powder of non-after-flame is carried out two Thorough combustion, reduces the carbon content in semicoke.
In a specific embodiment, the process that above-mentioned firing system is run. First portfire 32 is opened, by the preheating temperature to 550 DEG C about-600 DEG C of burning chamber 11, temperature is by thermocouple monitoring in combustion chamber, when temperature reaches 550 DEG C-650 DEG C, first open the air source apparatus 24 of the 2nd air supply duct 22, then semi-coke powder is made to enter firing system by feeder 70, for powder according to the load between 60%～70%, when burning chamber 11 flame is stablized, close portfire 32, increase load gradually, open the air source apparatus 24 of the 3rd air supply duct 23, make semi-coke powder Thorough combustion.
In another specific embodiment, the process that above-mentioned firing system is run. First need to open portfire 32, temperature is by thermocouple monitoring in burning chamber 11, between rise in temperature in burning chamber 11 is to 300 DEG C-400 DEG C, first opens the air source apparatus 24 of the 2nd air supply duct 22, then make semi-coke powder enter firing system by feeder 70, for powder according to load between 50%～60%, when burning chamber 11 flame is stablized, close portfire 32, increase load gradually, open the air source apparatus 24 of the 3rd air supply duct 23, make semi-coke powder Thorough combustion.
From above description, it can be seen that the above embodiments of the present invention achieve following technique effect:
1. firing system is at the burn-off rate height burnt in semi-coke powder process, and thermo-efficiency height, the equipment volume of firing system is little, and structure is simple, simple to operate.
2. semi-coke powder is being accelerated by two times, form high-speed rotational wind, fully mix with combustion-supporting wind, after being lighted can Thorough combustion, combustion-supporting wind energy is enough tangentially to be blasted in combustion chamber, by non-after-flame semicoke two Thorough combustion, not slagging scorification in combustion chamber, not long-pending ash, each air channel has variable valve to adjust, and Load Regulation is convenient.
3. the semi-coke powder burner that the present invention provides a kind of efficiency of combustion high, for the utilization of semi-coke powder provides active path.
It is noted that the term used here is only to describe embodiment, and not intended to limit is according to the illustrative embodiments of the application. As used herein, unless the context clearly indicates otherwise, otherwise odd number form is also intended to comprise plural form, in addition, it is to be further understood that, when using term " comprising " and/or " comprising " in this manual, it indicates existing characteristics, step, work, device, assembly and/or their combination.
It should be noted that, term " first " in the specification sheets of the application and claim book and above-mentioned accompanying drawing, " the 2nd " etc. are for distinguishing similar object, and need not be used for describing specific order or precedence. Should be appreciated that the data of like this use can be exchanged in the appropriate case, so as the enforcement mode of the application described herein can with except diagram here or describe those except order implement.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. Within the spirit and principles in the present invention all, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a firing system, it is characterised in that, described firing system comprises:
Burner (10), the inside of described burner (10) has burning chamber (11), described burner (10) has at least two layers of thermal insulation layer, the circumference of the sidewall of described burner (10) is provided with the intake opening (12) of through described thermal insulation layer, and described intake opening (12) is connected with described burning chamber (11).
2. firing system according to claim 1, it is characterised in that, described firing system also comprises:
Blast chamber (50), forming air blast chamber between the outside wall surface of the sidewall of described blast chamber (50) and described burner (10), described air blast chamber is connected with described burning chamber (11) by the described intake opening (12) of described burner (10);
For the air supplying part (20) for wind, described air supplying part (20) is connected with described blast chamber (50).
3. firing system according to claim 2, it is characterised in that, described firing system also comprises:
Material feeder (30), the inside of described material feeder (30) is formed to material air channel (31), described giving expects that the blast inlet in air channel (31) is connected with described air supplying part (20), and described giving expects that the air port that in air channel (31) is connected with described burning chamber (11);
Combustion-supporting (40), described combustion-supporting (40) is set in the outside of described material feeder (30), combustion-supporting air channel (41) is formed between the outer wall of described combustion-supporting (40) and described material feeder (30), the air port that goes out of described combustion-supporting air channel (41) is connected with described burning chamber (11), and described air supplying part (20) is connected with described combustion-supporting air channel (41).
4. firing system according to claim 3, it is characterized in that, described material feeder (30) cylindrically structure, described air supplying part (20) comprises the first air supply duct (21), and described first air supply duct (21) is connected to the tangent line direction of material air channel (31) along described with the described blast inlet to material air channel (31).
5. firing system according to claim 4, it is characterized in that, described combustion-supporting (40) cylindrically structure, described air supplying part (20) comprises the 2nd air supply duct (22), and described 2nd air supply duct (22) is connected along the tangent line direction of described combustion-supporting air channel (41) and the blast inlet of described combustion-supporting air channel (41).
6. firing system according to claim 3, it is characterised in that, described giving expects that the air port place that goes out air port and described combustion-supporting air channel (41) in air channel (31) is provided with inducer (60).
7. firing system according to claim 3, it is characterized in that, described material feeder (30) has portfire (32), and being positioned at least partially of described portfire (32) is described to material air channel (31).
8. firing system according to claim 5, it is characterized in that, described air supplying part (20) also comprises multiple air source apparatus (24) and multiple volume adjusting apparatus (25), described first air supply duct (21) is provided with a described volume adjusting apparatus (25), a described air source apparatus (24) is arranged on one end away from described material feeder (30) of described first air supply duct (21), described 2nd air supply duct (22) is provided with volume adjusting apparatus described in another (25), air source apparatus described in another (24) is arranged on one end away from described combustion-supporting (40) of described 2nd air supply duct (22).
9. firing system according to claim 8, it is characterised in that, described firing system also comprises feeder (70), and described feeder (70) is connected to material air channel (31) with described.
10. firing system according to claim 9, it is characterized in that, described feeder (70) is connected with described first air supply duct (21) and forms three-port structure, and described three-port structure is positioned between described air source apparatus (24) and described material feeder (30).
11. firing systems according to claim 10, it is characterized in that, described feeder (70) comprises the feed bin (71), the blanking device (72) that connect in turn and has the pipe connecting of gauger (73), and described pipe connecting is connected with described first air supply duct (21).
12. firing systems according to claim 1, it is characterized in that, described burner (10) cylindrically structure, and described burning chamber (11) comprises the footpath section (111) and shrink section (112) such as what the axis along described burning chamber (11) was connected in turn, the cavity cross-section of described contraction section (112) is long-pending to be reduced gradually along the direction away from the footpath section (111) such as described, and the sidewall of described burner (10) is reserved with material outlet in the side away from the footpath section (111) such as described of described contraction section (112).
13. firing systems according to claim 1, it is characterized in that, described burner (10) cylindrically structure, has angle between the bearing of trend of the described intake opening (12) of described burner (10) and the radial direction of described burning chamber (11).
14. firing systems according to claim 13, it is characterised in that, described angle is more than or equal to 5 degree and be less than 30 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610193101.4A CN105674258A (en) | 2016-03-29 | 2016-03-29 | Combustion system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610193101.4A CN105674258A (en) | 2016-03-29 | 2016-03-29 | Combustion system |
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| CN105674258A true CN105674258A (en) | 2016-06-15 |
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| CN201610193101.4A Pending CN105674258A (en) | 2016-03-29 | 2016-03-29 | Combustion system |
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|---|---|---|---|---|
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| JP2003090510A (en) * | 2001-09-14 | 2003-03-28 | Ebara Bioler Co Ltd | Burner |
| CN101993732A (en) * | 2010-11-25 | 2011-03-30 | 广州迪森热能技术股份有限公司 | Vaporizing combustion chamber of high-energy biomasses |
| CN102679339A (en) * | 2012-06-05 | 2012-09-19 | 唐山市金沙工贸有限公司 | Pulverized coal burner |
| CN202814064U (en) * | 2012-08-31 | 2013-03-20 | 郭丰亮 | Novel biomass crucible oven |
| CN204665282U (en) * | 2015-06-04 | 2015-09-23 | 长沙天大锅炉制造有限公司 | Use the incinerator of biogas and oil |
| CN204786356U (en) * | 2015-06-15 | 2015-11-18 | 浙江海特锅炉有限公司 | Biomass fuel conveyor |
| CN205640895U (en) * | 2016-03-29 | 2016-10-12 | 新疆广汇中化能源技术开发有限公司 | Combustion system |
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