CN102221285A - Vertical smoke heating furnace - Google Patents
Vertical smoke heating furnace Download PDFInfo
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- CN102221285A CN102221285A CN2010101489657A CN201010148965A CN102221285A CN 102221285 A CN102221285 A CN 102221285A CN 2010101489657 A CN2010101489657 A CN 2010101489657A CN 201010148965 A CN201010148965 A CN 201010148965A CN 102221285 A CN102221285 A CN 102221285A
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Abstract
The invention relates to a vertical smoke heating furnace which comprises a furnace outer sleeve in a vertical structure, wherein a whirling scroll on the middle upper part of the furnace outer sleeve is combined with the furnace outer sleeve to form a lateral air inlet structure; a porous inner sleeve on the lower part of the whirling scroll is arranged in the furnace outer sleeve; a main burner is arranged on the top of the furnace outer sleeve; a coke oven gas ignition burner, and an ignition burner of an automatic ignition and flame detection device are arranged in the axial center position of the main burner, electrode ignition is adopted for the coke oven gas ignition burner and the ignition burner of the automatic ignition and flame detection device, and the coke oven gas ignition burner and a flame detection device in the automatic ignition and flame detection device are characterized in that two ultraviolet flame detectors with different angles are arranged on the main burner. The vertical smoke heating furnace has the advantages that: the application range of fuels with low heating values is enlarged, and blast furnace gas with low heating values and high dust content can be burned.
Description
Technical field
The present invention relates to a kind of burner that industries such as metallurgy, petrochemical industry, building materials, fire-resistant, boiler, machinery are used as drying system that is used for, relate in particular to the structure of this burner.
Background technology
The flue gas heating furnace is a kind of burner that industries such as metallurgy, petrochemical industry, building materials, fire-resistant, boiler, machinery are used as drying system that is used for.
As seen from Figure 1: horizontal flue gas stove of the prior art mainly is made up of air inlet mechanism 1, inner sleeve 2, flame burner nozzle 3, combustion chamber 4 and outer sleeve 5.
But the problem that said structure exists is: horizontal flue gas stove is not the design of adopting side direction to advance cold wind, makes that the cooling air that enters is inhomogeneous, is difficult to the mixed wind effect that reaches good; Inner sleeve has adopted built-in anti-material design, thus can't perforate on barrel, cold and hot wind is to mix in the exit of inner core, the flow direction of cold and hot wind is with stove axis unanimity; Because anti-material design is arranged, long construction period has increased weight of equipment and maintenance workload simultaneously; Horizontal flue gas stove is the design that adopts end and the single big flame burner of side direction, can't guarantee the stability of flame under low discharge, and because the combustion chamber is big and anti-material design arranged, so need be when opening stove through the baking of long period, to prevent that fire box temperature is low excessively, blast furnace gas is difficult for lighting, and has so just directly caused the flexibility of operation, anti-material accumulation of heat needs a large amount of heats, therefore the consumption that also wastes energy; Because the outer sleeve of horizontal flue gas stove has adopted built-in anti-material design, long construction period has increased weight of equipment and maintenance workload again.
Summary of the invention
The technical issues that need to address of the present invention have provided a kind of vertical flue gas heating furnace, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
The present invention includes: eddy flow volute, furnace body overcoat tube, porous inner sleeve, blast furnace gas master burner and coke-stove gas igniter burner, automatically the igniting and flame detecting device; Described furnace body overcoat tube is a vertical structure; Combine at the middle and upper part of furnace body overcoat tube eddy flow volute and furnace body overcoat tube, be combined into the side air admission structure; Be placed in the furnace body overcoat tube at the bottom of eddy flow volute porous inner sleeve; Described main burner is placed in the top of furnace body overcoat tube; Described coke-stove gas igniter burner, automatically the igniting and flame detecting device in igniter burner be installed in main burner shaft core position; Described coke-stove gas igniter burner, automatically in igniting and the flame detecting device automatically igniting adopt electrode ignition; Described coke-stove gas igniter burner, flame detecting device is that two ultraviolet flame monitors that angle is different are installed on main burner in igniting and the flame detecting device automatically.
Compared with prior art, the invention has the beneficial effects as follows: enlarged the range of application of low calorie fuels, can combustion heat value blast furnace gas low, that dustiness is big, the blast furnace gas that was used to originally discharge is used; Reduce production cost, also greatly reduced CO and CO simultaneously
2Discharge capacity.Description of drawings
Fig. 1 is a horizontal flue gas furnace structure schematic diagram in the prior art;
Fig. 2 is a structural representation of the present invention;
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail:
As seen from Figure 2: the present invention includes: eddy flow volute a, furnace body overcoat tube b, porous inner sleeve c, blast furnace gas master burner d and coke-stove gas igniter burner, automatically the igniting and flame detecting device e; Described furnace body overcoat tube b is a vertical structure; Combine at the middle and upper part of furnace body overcoat tube b eddy flow volute a and furnace body overcoat tube b, be combined into the side air admission structure; Be placed in the furnace body overcoat tube b at the bottom of eddy flow volute a porous inner sleeve c; Described main burner d is placed in the top of furnace body overcoat tube b; Described coke-stove gas igniter burner, automatically the igniting and flame detecting device e in igniter burner be installed in main burner shaft core position; Described coke-stove gas igniter burner, automatically among igniting and the flame detecting device e automatically igniting adopt electrode ignition; Described coke-stove gas igniter burner, flame detecting device is that two ultraviolet flame monitors that angle is different are installed on main burner among igniting and the flame detecting device e automatically.
Eddy flow volute among the present invention is a kind of of prior art structure, is shaped as helical form, and eddy flow volute and furnace body overcoat tube combine, and are combined into the side air admission structure.The low temperature hot blast enters in the hot-blast stove from inlet, and the volute porch is provided with deflector, and deflector plays the effect of balanced hot blast flow velocity.Because the eddy flow volute is shape in the shape of a spiral, the low temperature hot blast is to enter in the hot-blast stove with the side direction corner cut, has increased swirl strength, makes to mix the wind better effects if, and temperature is more even.Parts 1 in the comparison diagram 1, horizontal flue gas stove are not the designs of adopting side direction to advance cold wind, make that the cooling air that enters is inhomogeneous, are difficult to the mixed wind effect that reaches good.
Furnace body overcoat tube profile among the present invention is a cylinder type, and outer sleeve all is furnished with flange up and down, and major function is to connect eddy flow volute and porous inner sleeve, and peep hole is installed on the outer sleeve, the convenient combustion position of observing at any time in hot-blast stove during operate as normal.Parts 5 in the comparison diagram 1, and the overcoat of horizontal flue gas stove is with having adopted built-in anti-material design, and long construction period has increased weight of equipment and maintenance workload.
Porous inner sleeve profile among the present invention is a half cone-shaped, inner sleeve is welded by the multilayer orifice plate, being " turriform " arranges, the cross section is circular, inner sleeve is the high-temperature flue gas of burner generation and the mixing chamber that the low temperature hot blast mixes, opened the circular hole that a lot of diameters are ∮ 25 on the barrel of inner sleeve, the low temperature hot blast behind the eddy flow volute by spraying in the tube with inner sleeve axis normal direction behind these apertures, the high-temperature flue gas that burner produces then enters along the inner sleeve axis direction, two strands of air-flows are 90 degree and intersect, so it is effective to mix wind, wind-warm syndrome is even.Parts 2 in the comparison diagram 1, the interior cover of horizontal flue gas stove is with also having adopted built-in anti-material design, so can't perforate on barrel, cold and hot wind is to mix in the exit of inner core, the flow direction of cold and hot wind is with stove axis unanimity, obviously not as the vertical good mixing effect of the cold and hot wind of vertical heater, simultaneously because anti-material design is arranged, long construction period has increased weight of equipment and maintenance workload.
Blast furnace gas master burner material among the present invention is that heat-resistance stainless steel 1Cr18Ni9Ti and high-alumina refractory water material feeding, and main burner adopts multithread thigh structure Design form, big flow sky, coal gas is divided into some rill thighs mixes ejection.Be to strengthen the mixed process of air and coal gas, all be provided with helical blade in empty, the gas-jet tube, make sky, coal gas mix distance and shorten, coal gas enters conflagration behind the combustion chamber, thereby can obtain to stablize and than the flame of weak point.Parts 3 and 4 in the comparison diagram 1, horizontal flue gas stove is the design that adopts end and the single big flame burner of side direction, can't guarantee the stability of flame under low discharge, and because the combustion chamber is big and anti-material design is arranged, so need be when opening stove through the baking of long period, low excessively to prevent fire box temperature, blast furnace gas is difficult for lighting, so just directly caused the flexibility of operation, anti-material accumulation of heat needs a large amount of heats, therefore the consumption that also wastes energy.
Coke-stove gas igniter burner among the present invention, the detection of igniting and flame is decorateeed the baked wheaten cake mouth and is installed in main burner shaft core position automatically, makes the mutual interference mutually of igniter burner air-flow and main burner air-flow reduce to minimum, and it is more stable to light a fire; Igniter burner adopts electrode ignition, directly lights coke-stove gas, monitors flame with animating electrode; The main burner coal gas that ignites is then installed two ultraviolet flame monitors that angle is different on the main burner, automatic control system can maloperation when guaranteeing big Flow-rate adjustment.
The present invention and traditional bedroom flue gas stove and accessory have following technical advantage:
Need operating personnel to intervene, greatly reduce operating personnel's working strength.
Use the present invention, light igniter burner (adopting coke-stove gas to act as a fuel) during blow-on earlier, igniter burner is furnished with flame detecting device, if detect in the duration of ignition less than flame in regulation, the coal gas system of stove can cut off automatically, opens the N2 automatic blowout device simultaneously, guarantees a fire safety.When igniter burner is heated to 800 ℃ of left and right sides with burner combustion chamber, can open main burner (adopting blast furnace gas to act as a fuel), outlet at the flue gas stove is provided with temperature detection, inlet at the flue gas stove is provided with temperature and flow detection too, so just can control the gas production and the aerogenesis temperature of flue gas stove by automatic regulating system according to the actual air quantity and the wind-warm syndrome of requiring of drying system.
In process of production, air-fuel ratio can realize automatic adjusting, O in the strict simultaneously control flue gas
2Content, prevent too high oxygen level and cause the generation of coal dust drying system explosion accident.
Claims (1)
1. vertical flue gas heating furnace is characterized in that comprising: eddy flow volute, furnace body overcoat tube, porous inner sleeve, blast furnace gas master burner and coke-stove gas igniter burner, igniting and flame detecting device automatically; Described furnace body overcoat tube is a vertical structure; Combine at the middle and upper part of furnace body overcoat tube eddy flow volute and furnace body overcoat tube, be combined into the side air admission structure; Be placed in the furnace body overcoat tube at the bottom of eddy flow volute porous inner sleeve; Described main burner is placed in the top of furnace body overcoat tube; Described coke-stove gas igniter burner, automatically the igniting and flame detecting device in igniter burner be installed in main burner shaft core position; Described coke-stove gas igniter burner, automatically in igniting and the flame detecting device automatically igniting adopt electrode ignition; Described coke-stove gas igniter burner, flame detecting device is that two ultraviolet flame monitors that angle is different are installed on main burner in igniting and the flame detecting device automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101489657A CN102221285A (en) | 2010-04-16 | 2010-04-16 | Vertical smoke heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101489657A CN102221285A (en) | 2010-04-16 | 2010-04-16 | Vertical smoke heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102221285A true CN102221285A (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101489657A Pending CN102221285A (en) | 2010-04-16 | 2010-04-16 | Vertical smoke heating furnace |
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| CN (1) | CN102221285A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006527A (en) * | 2014-06-06 | 2014-08-27 | 芜湖三峰节能设备有限公司 | Flue gas generator for preparing qualified drying agent through effective intelligent combustion |
| CN104197320A (en) * | 2014-09-05 | 2014-12-10 | 中冶京诚工程技术有限公司 | Pulverized coal combustion heating furnace |
| CN106766153A (en) * | 2016-12-09 | 2017-05-31 | 中冶长天国际工程有限责任公司 | A kind of many spray orifice type hot-blast stoves |
| CN109539760A (en) * | 2018-10-11 | 2019-03-29 | 宝钢工程技术集团有限公司 | The dry gas vertical producer dry for coal dust |
-
2010
- 2010-04-16 CN CN2010101489657A patent/CN102221285A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006527A (en) * | 2014-06-06 | 2014-08-27 | 芜湖三峰节能设备有限公司 | Flue gas generator for preparing qualified drying agent through effective intelligent combustion |
| CN104197320A (en) * | 2014-09-05 | 2014-12-10 | 中冶京诚工程技术有限公司 | Pulverized coal combustion heating furnace |
| CN104197320B (en) * | 2014-09-05 | 2016-08-24 | 中冶京诚工程技术有限公司 | Pulverized coal combustion heating furnace |
| CN106766153A (en) * | 2016-12-09 | 2017-05-31 | 中冶长天国际工程有限责任公司 | A kind of many spray orifice type hot-blast stoves |
| CN109539760A (en) * | 2018-10-11 | 2019-03-29 | 宝钢工程技术集团有限公司 | The dry gas vertical producer dry for coal dust |
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Application publication date: 20111019 |